all: prepare for release

... about 1/1000 (4/PAGE_SIZE) chance
	modified:   src/stub/src/i386-linux.elf-main.c
	modified:   misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
   plus all 32-bit elf-fold.h, elf-fold.map

.clang-format

@@ -1,50 +1,27 @@
-# "Gofmt's style is nobody's favourite, but gofmt is everybody's favourite." --Rob Pike
+# vim:set ft=yaml ts=2 sw=2 et:
-#
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
 # for clang-format-15.0.6 from https://github.com/upx/upx-stubtools/releases
+#
+# "Gofmt's style is nobody's favourite, but gofmt is everybody's favourite." --Rob Pike
 ---
 BasedOnStyle: LLVM
 ColumnLimit: 100
 IndentWidth: 4
 ---
+# settings for C and C++
 Language: Cpp
 AccessModifierOffset: -4
 AlignConsecutiveMacros: AcrossComments
 AlwaysBreakTemplateDeclarations: true
 AttributeMacros:
-  - __acc_cdecl
-  - __acc_cdecl_atexit
-  - __acc_cdecl_qsort
-  - __acc_cdecl_sighandler
-  - __acc_forceinline
-  - __acc_noinline
-  - __acc_static_forceinline
-  - __acc_static_noinline
   - DELETED_FUNCTION
   - XSPAN_DELETED_FUNCTION
-  - forceinline
   - may_throw
-  - noinline
-  - static_forceinline
-  - static_noinline
 EmptyLineBeforeAccessModifier: Leave
+# IndentPPDirectives: AfterHash # TODO later
 SortIncludes: false
 SpaceAfterCStyleCast: true
 Standard: Cpp03
 StatementMacros:
-  - ACCCHK_ASSERT
-  - ACCCHK_ASSERT_IS_SIGNED_T
-  - ACCCHK_ASSERT_IS_UNSIGNED_T
-  - ACCCHK_ASSERT_SIGN_T
-  - ACC_BLOCK_BEGIN
-  - ACC_COMPILE_TIME_ASSERT
-  - ACC_COMPILE_TIME_ASSERT_HEADER
-  - ACC_CXX_DISABLE_NEW_DELETE
-  - ACC_CXX_TRIGGER_FUNCTION
-  - ACC_CXX_TRIGGER_FUNCTION_IMPL
   - CLANG_FORMAT_DUMMY_STATEMENT
-  - COMPILE_TIME_ASSERT
-  - COMPILE_TIME_ASSERT_ALIGNED1
-WhitespaceSensitiveMacros:
-  - ACC_PP_MACRO_EXPAND
-  - ACC_PP_STRINGIZE
 ...

.clang-tidy

@@ -1,13 +1,17 @@
-# for clang-tidy-16 from https://clang.llvm.org/extra/clang-tidy/
+# vim:set ft=yaml ts=2 sw=2 et:
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+# for clang-tidy from https://clang.llvm.org/extra/clang-tidy/
 ---
 Checks: >
   -*,
   bugprone-*,
     -bugprone-assignment-in-if-condition,
     -bugprone-branch-clone,
+    -bugprone-casting-through-void,
     -bugprone-easily-swappable-parameters,
     -bugprone-empty-catch,
     -bugprone-implicit-widening-of-multiplication-result,
+    -bugprone-inc-dec-in-conditions,
     -bugprone-macro-parentheses,
     -bugprone-narrowing-conversions,
     -bugprone-reserved-identifier,
@@ -19,10 +23,13 @@ Checks: >
   clang-analyzer-*,
     -clang-analyzer-optin.performance.Padding,
     -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
+    -clang-analyzer-security.insecureAPI.rand,
     -clang-analyzer-security.insecureAPI.strcpy,
-  clang-diagnostics-*',
+  clang-diagnostic-*,
   performance-*,
     -performance-avoid-endl,
+    -performance-enum-size,
+    -performance-no-int-to-ptr,
     -performance-unnecessary-value-param,
 FormatStyle: file
 HeaderFilterRegex: '.*'

.clangd

@@ -0,0 +1,44 @@
+# vim:set ft=yaml ts=2 sw=2 et:
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+# for clangd from https://clangd.llvm.org/
+---
+# treat *.h files as C++ source code
+If:
+  PathMatch: src/.*\.h
+  PathExclude: vendor/.*
+CompileFlags:
+  Add:
+    - -xc++
+---
+# C++ flags
+If:
+  PathMatch: [ src/.*\.h, src/.*\.cpp ]
+  PathExclude: vendor/.*
+CompileFlags:
+  Add:
+    - -std=gnu++17
+    # -std=gnu++20 # requires clangd >= 11.0
+    # -std=gnu++23 # requires clangd >= 18.0
+---
+# common flags for all C/C++ files
+If:
+  PathMatch: [ src/.*\.h, src/.*\.c, src/.*\.cpp ]
+  PathExclude: vendor/.*
+CompileFlags:
+  Add:
+    # see https://github.com/clangd/clangd/issues/1038 : Support deterministic relative include path
+    - -Ivendor
+    - -I../vendor
+    - -I../../vendor
+    - -DDEBUG
+    - -fno-strict-aliasing
+    - -fno-strict-overflow
+    - -funsigned-char
+Diagnostics:
+  Includes:
+    # IgnoreHeader: A list of regexes. Include Cleaner will not produce diagnostics
+    # for headers whose path is a suffix match for any of these.
+    IgnoreHeader:
+      - src/.*\.h
+  UnusedIncludes: None
+...

.editorconfig

@@ -1,3 +1,4 @@
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
 # see https://editorconfig.org/
 
 root = true
@@ -14,8 +15,8 @@ trim_trailing_whitespace = true
 indent_size = 8
 indent_style = tab
 
-[*.S]
+[{*.asm,*.S}]
 indent_size = 8
 
-[*.yml]
+[{*.yaml,*.yml}]
 indent_size = 2

.gitattributes

@@ -1,7 +1,12 @@
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
 # see https://github.com/github-linguist/linguist
 #
 # HINT: check settings with
 #   git ls-files | git check-attr --stdin --all
+#   git ls-files --eol
+
+# disable all line ending conversions
+* -text
 
 #
 # tell diff tools that these files are generated automatically
@@ -14,6 +19,9 @@
 /src/stub/src/arch/**/lzma_d_c[fns].S   linguist-generated
 /src/stub/tmp/**                        linguist-generated
 
+/misc/podman/*/packages*.txt            linguist-generated
+/misc/testsuite/*expected_sha256sums*   linguist-generated
+
 #
 # make GitHub language detection more accurate
 #

.github/CODEOWNERS

@@ -1,6 +1,5 @@
 *                               @markus-oberhumer @jreiser
 
-/src/p_elf*                     @jreiser
 /src/p_lx_*                     @jreiser
 /src/p_mach*                    @jreiser
 /src/p_unix*                    @jreiser

.github/dependabot.yml

@@ -1,9 +0,0 @@
-version: 2
-
-updates:
-  - package-ecosystem: 'github-actions'
-    directory: '/'
-    schedule:
-      # Check for updates to GitHub Actions every Wednesday
-      interval: 'weekly'
-      day: 'wednesday'

.github/typos_config.toml

@@ -1,43 +0,0 @@
-# see https://github.com/crate-ci/typos
-
-# a generic spell-checker that works on source code is quite
-# tricky, so some false positives are fine
-
-[files]
-extend-exclude = ["LICENSE", "misc/*podman*/*/packages.txt"]
-
-# misc variable names & symbols
-[default.extend-identifiers]
-acc_spawnve = "acc_spawnve"
-ba = "ba"
-fo = "fo"
-fof = "fof"
-O_WRONLY = "O_WRONLY"
-# optin: clang-analyzer-optin.cplusplus
-optin = "optin"
-sidelen = "sidelen"
-# macOS 11 "Big Sur"
-Sur = "Sur"
-tpos = "tpos"
-# assembly sources
-hda = "hda"
-Larg = "Larg"
-pard = "pard"
-suble = "suble"
-
-# identifiers are intelligently split into words and then checked again
-[default.extend-words]
-delt = "delt"
-FO = "FO"
-fo = "fo"
-# parm is used like param
-PARM = "PARM"
-parm = "parm"
-# rela: ELF relocations
-RELA = "RELA"
-rela = "rela"
-# siz is used for size
-siz = "siz"
-# SEH: Structured Exception Handling
-SEH = "SEH"
-seh = "seh"

.github/workflows/ci.yml

@@ -4,325 +4,375 @@
 # unfortunately this sometimes breaks builds in mysterious ways...
 # see https://github.com/actions/runner-images.git
 
-name: 'CI'
+name: CI
 
 on: [push, workflow_dispatch]
 
 env:
-  CMAKE_REQUIRED_QUIET: "OFF"
+  CMAKE_REQUIRED_QUIET: 'OFF'
-  CTEST_OUTPUT_ON_FAILURE: "ON"
+  CMAKE_VERBOSE_MAKEFILE: 'ON'
+  CTEST_OUTPUT_ON_FAILURE: 'ON'
   DEBIAN_FRONTEND: noninteractive
   UPX_CMAKE_BUILD_FLAGS: --verbose
-  # 2023-10-24
+  UPX_CMAKE_CONFIG_FLAGS: -Wdev --warn-uninitialized
-  ZIG_DIST_VERSION: 0.12.0-dev.1245+a07f288eb
+  UPX_DEBUG_TEST_FLOAT_DIVISION_BY_ZERO: 1
+  UPX_DEBUG_TEST_LIBC_QSORT: 1
+  # 2024-04-20
+  ZIG_DIST_VERSION: 0.12.0
 
 jobs:
   job-rebuild-and-verify-stubs:
-    name: 'Rebuild stubs'
+    name: Rebuild stubs
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
+    container: ubuntu:24.04 # glibc-2.39
+    #container: debian:12-slim # also works; glibc-2.36
+    #container: debian:testing-slim # also works
     steps:
-      - name: 'Install extra packages'
+      - name: Install packages
         run: |
           uname -a; pwd; id; umask
-          mkdir ../deps; cd ../deps; mkdir packages
+          dpkg --add-architecture i386
-          if ! test -e /usr/bin/python2; then
+          apt-get update && apt-get upgrade -y
-            ####sudo apt-get update && sudo apt-get install -y --no-install-recommends python2-minimal
+          # install system packages
+          apt-get install -y --no-install-recommends bash ca-certificates curl git libmpc3 make perl-base xz-utils libc6:i386 zlib1g:i386
           # install python2-minimal packages from Debian-11
-            wget -q 'https://ftp.debian.org/debian/pool/main/p/python2.7/libpython2.7-minimal_2.7.18-8_amd64.deb'
+          mkdir ../deps; cd ../deps; mkdir packages
-            wget -q 'https://ftp.debian.org/debian/pool/main/p/python2.7/python2.7-minimal_2.7.18-8_amd64.deb'
+          curl -sS -L -O https://ftp.debian.org/debian/pool/main/p/python2.7/libpython2.7-minimal_2.7.18-8+deb11u1_amd64.deb
-            sudo dpkg -i ./*python2*.deb && rm ./*python2*.deb && sudo ldconfig
+          curl -sS -L -O https://ftp.debian.org/debian/pool/main/p/python2.7/python2.7-minimal_2.7.18-8+deb11u1_amd64.deb
-            sudo ln -s -v python2.7 /usr/bin/python2
+          dpkg -i ./*python2*.deb && rm ./*python2*.deb && ldconfig
-          fi
+          ln -s -v python2.7 /usr/bin/python2
           # manually unpack and install compat libs from Ubuntu-16.04
-          wget -q 'https://archive.kernel.org/ubuntu-archive/ubuntu/pool/main/m/mpfr4/libmpfr4_3.1.6-1_amd64.deb'
+          curl -sS -L -O https://archive.kernel.org/ubuntu-archive/ubuntu/pool/main/m/mpfr4/libmpfr4_3.1.6-1_amd64.deb
           for f in ./*.deb; do dpkg -x $f ./packages; done
-          sudo mv -v -n ./packages/usr/lib/x86_64-linux-gnu/lib* /usr/lib/x86_64-linux-gnu/
+          mv -v -n ./packages/usr/lib/x86_64-linux-gnu/lib* /usr/lib/x86_64-linux-gnu/
-          rm -rf ./*.deb ./packages
+          rm -rf ./*.deb ./packages && ldconfig
-          sudo ldconfig
           # install upx-stubtools
-          wget -q -O - https://github.com/upx/upx-stubtools/releases/download/v20221212/bin-upx-20221212.tar.xz | tar -xJ
+          curl -sS -L https://github.com/upx/upx-stubtools/releases/download/v20221212/bin-upx-20221212.tar.xz | tar -xJ
-      - name: 'Check out code'
+      - name: Check out code
-        uses: actions/checkout@v4
+        run: |
-        with: { submodules: true }
+          git config --global --add safe.directory '*' # needed when running in a container
-      - name: 'Rebuild and verify stubs'
+          git clone --branch "$GITHUB_REF_NAME" --depth 1 "$GITHUB_SERVER_URL/$GITHUB_REPOSITORY" .
+          git submodule update --init -- vendor/lzma-sdk
+      - name: Rebuild and verify stubs
         run: |
           export PATH="$(readlink -en ../deps/bin-upx-20221212):$PATH"
           make -C src/stub maintainer-clean extra-clean
           git status || true
           make -C src/stub extra-all all
           if ! git diff --quiet; then git diff; exit 1; fi
-      - name: 'Check source code formatting'
+      - run: bash ./misc/scripts/check_whitespace_git.sh
+      - name: Check source code formatting
         run: |
-          bash ./misc/scripts/check_whitespace_git.sh
+          export UPX_CLANG_FORMAT="$PWD/../deps/bin-upx-20221212/clang-format-15.0.6"
-          UPX_CLANG_FORMAT="$PWD/../deps/bin-upx-20221212/clang-format-15.0.6" make -C src clang-format
+          make -C src clang-format
           if ! git diff --quiet; then git diff; exit 1; fi
+      - name: Rebuild docs
+        run: |
+          make -C doc clean all
+          if ! git diff --quiet; then git diff || true; fi # ignore diff error
 
   job-linux-cmake: # uses cmake + make
     if: true
     needs: [ job-rebuild-and-verify-stubs ]
-    name: ${{ format('{0} cmake', matrix.os) }}
+    name: ${{ format('{0}', matrix.os) }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         include:
-          - { os: ubuntu-22.04, use_m32: true }
+          - { os: ubuntu-22.04, use_extra: true, use_wine: true }
-          - { os: ubuntu-20.04, use_m32: false } # use_m32 also works here, but save some CI time
+          - { os: ubuntu-20.04, use_extra: true }
     steps:
-      - name: 'Install extra 32-bit and Windows packages'
+      - name: Install extra 32-bit and MinGW packages
-        if: ${{ matrix.use_m32 }}
+        if: ${{ matrix.use_extra }}
         run: |
           sudo dpkg --add-architecture i386
-          sudo apt-get update
+          sudo apt-get update && sudo apt-get upgrade -y
           sudo apt-get install -y g++-multilib g++-mingw-w64-i686 g++-mingw-w64-x86-64
-      - name: 'Check out code'
+          # make sure that we use posix-threads (pthread/winpthreads) and NOT win32-threads
-        uses: actions/checkout@v4
+          for f in i686-w64-mingw32-g++ i686-w64-mingw32-gcc x86_64-w64-mingw32-g++ x86_64-w64-mingw32-gcc; do
+            if test -f /usr/bin/$f-posix; then sudo update-alternatives --set $f /usr/bin/$f-posix; fi
+            ls -l /usr/bin/${f}*
+          done
+          ls -l /etc/alternatives/*mingw* || true
+          sudo apt-get install -y libc6-dbg:i386 valgrind
+      - name: Install Wine
+        if: ${{ matrix.use_extra && matrix.use_wine }}
+        run: |
+          sudo apt-get install -y wine wine32:i386 wine64
+          ls -l /usr/bin/wine*
+          mkdir -p -v ~/.wine && wineboot --init
+      - uses: actions/checkout@v4
         with: { submodules: true }
-      - name: 'Check out test suite'
+      - name: Check out test suite
-        run: 'git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite'
+        run: git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite
-      - name: 'Build cmake extra/gcc/debug'
+      - run: make build/extra/gcc/all
-        run:   'make build/extra/gcc/debug'
+      - run: make build/extra/clang/all
-      - name: 'Build cmake extra/gcc/release'
+      - run: make build/extra/gcc-m32/all
-        run:   'make build/extra/gcc/release'
+        if: ${{ matrix.use_extra }}
-      - name: 'Build cmake extra/clang/debug'
+      - run: make build/extra/gcc-mx32/all
-        run:   'make build/extra/clang/debug'
+        if: ${{ matrix.use_extra }}
-      - name: 'Build cmake extra/clang/release'
+      - run: make build/extra/cross-windows-mingw32/all
-        run:   'make build/extra/clang/release'
+        if: ${{ matrix.use_extra }}
-      - name: 'Build cmake extra/gcc-m32/debug'
+      - run: make build/extra/cross-windows-mingw64/all
-        if: ${{ matrix.use_m32 }}
+        if: ${{ matrix.use_extra }}
-        run:   'make build/extra/gcc-m32/debug'
+      - name: Make artifact
-      - name: 'Build cmake extra/gcc-m32/release'
-        if: ${{ matrix.use_m32 }}
-        run:   'make build/extra/gcc-m32/release'
-      - name: 'Build cmake extra/cross-windows-mingw32/release'
-        if: ${{ matrix.use_m32 }}
-        run:   'make build/extra/cross-windows-mingw32/release'
-      - name: 'Build cmake extra/cross-windows-mingw64/release'
-        if: ${{ matrix.use_m32 }}
-        run:   'make build/extra/cross-windows-mingw64/release'
-      - name: 'Make artifact'
         run: |
           N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           mkdir -p "tmp/artifact/$N"
           (cd build && shopt -s nullglob && cp -ai --parents */upx{,.exe} */*/*/upx{,.exe} "../tmp/artifact/$N")
           (cd tmp/artifact && tar --sort=name -czf "$N.tar.gz" "$N" && rm -rf "./$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
-        with:
+        with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
-          name: ${{ env.artifact_name }}
+      - name: Run install tests
-          path: tmp/artifact
-      - name: 'Run install tests'
         run: |
-          (cd build/extra/gcc/release && DESTDIR=$PWD/Install-with-cmake cmake --install .)
+          (cd build/extra/gcc/release && DESTDIR="$PWD/Install with cmake" cmake --install .)
-          (cd build/extra/gcc/release && DESTDIR=$PWD/Install-with-make  make install)
+          (cd build/extra/gcc/release && DESTDIR="$PWD/Install with make"  make install)
-      - name: 'Run basic tests'
+      - name: Run ctest tests
         run: |
-          make -C build/extra/gcc/debug test
+          jobs="gcc/debug gcc/release clang/debug clang/release"
-          make -C build/extra/gcc/release test
+          test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
-          make -C build/extra/clang/debug test
+          command -v wine >/dev/null && jobs="$jobs cross-windows-mingw32/debug cross-windows-mingw32/release"
-          make -C build/extra/clang/release test
+          command -v wine >/dev/null && jobs="$jobs cross-windows-mingw64/debug cross-windows-mingw64/release"
-      - name: 'Run basic tests 32-bit'
+          echo "===== parallel jobs: $jobs"
-        if: ${{ matrix.use_m32 }}
+          CTEST_JOBS=2 parallel -kv --lb 'make build/extra/{}+test' ::: $jobs
+      - name: Mimic ctest tests
         run: |
-          make -C build/extra/gcc-m32/debug test
+          jobs="gcc/debug gcc/release clang/debug clang/release"
-          make -C build/extra/gcc-m32/release test
+          test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
-      - name: 'Run file system test suite'
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
+      - name: Mimic ctest tests with Valgrind
+        if: true # note: valgrind is SLOW
         run: |
-          env -C build/extra/gcc/release bash "$PWD"/misc/testsuite/test_symlinks.sh
+          if command -v valgrind >/dev/null; then
-      - name: 'Run test suite build/extra/gcc/release'
+            export UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS=ON # valgrind is SLOW
+            export upx_exe_runner="valgrind --leak-check=no --error-exitcode=1 --quiet --gen-suppressions=all"
+            # clang/debug does not work before valgrind-3.20, see https://bugs.kde.org/show_bug.cgi?id=452758
+            jobs="gcc/debug gcc/release clang/release"
+            test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
+            echo "===== parallel jobs: $jobs"
+            parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
+          fi
+      - name: Run file system test suite
+        run: |
+          jobs="gcc/debug gcc/release clang/debug clang/release"
+          test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/test_symlinks.sh' ::: $jobs
+      - name: Run file system test suite with Valgrind
+        if: false # note: valgrind is SLOW
+        run: |
+          if command -v valgrind >/dev/null; then
+            export upx_exe_runner="valgrind --leak-check=no --error-exitcode=1 --quiet --gen-suppressions=all"
+            # clang/debug does not work before valgrind-3.20, see https://bugs.kde.org/show_bug.cgi?id=452758
+            jobs="gcc/debug gcc/release clang/release"
+            test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
+            echo "===== parallel jobs: $jobs"
+            parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/test_symlinks.sh' ::: $jobs
+          fi
+      - name: Run test suite
         run: |
           export upx_testsuite_SRCDIR="$(readlink -en ../deps/upx-testsuite)"
-          testsuite_1="$(readlink -en ./misc/testsuite/upx_testsuite_1.sh)"
+          jobs="gcc/debug gcc/release clang/debug clang/release"
-          env -C build/extra/gcc/release upx_exe=./upx bash "$testsuite_1"
+          test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/upx_testsuite_1.sh' ::: $jobs
 
   job-macos-cmake: # uses cmake + make
     if: true
     needs: [ job-rebuild-and-verify-stubs ]
-    name: ${{ format('{0} cmake', matrix.os) }}
+    name: ${{ format('{0} {1}{2}', matrix.os, matrix.xcode_version && 'xcode-' || '',  matrix.xcode_version) }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         include:
-          # NOTE: macos does not have "env -C"; only with coreutils
+          # NOTE: macos does not have "env -C"; only with brew coreutils
-          # NOTE: macos-11 does not have "readlink -f"; only on macos >= 12 or with coreutils
+          # NOTE: macos-11 does not have "readlink -f"; only on macos >= 12 or with brew coreutils
-          - { os: macos-11, gcc: gcc-10, gxx: 'g++-10', testsuite: true }
+          - { os: macos-11, gcc: gcc-10, gxx: g++-10, testsuite: true }
-          - { os: macos-12, gcc: gcc-11, gxx: 'g++-11', testsuite: true }
+          - { os: macos-12, gcc: gcc-11, gxx: g++-11, testsuite: true }
-          - { os: macos-13, gcc: gcc-12, gxx: 'g++-12', testsuite: true }
+          - { os: macos-13, testsuite: true } # use default Xcode-15; NOTE: gcc-12 on macos-13 does not work with Xcode-15
+          - { os: macos-13, gcc: gcc-12, gxx: g++-12, testsuite: true, xcode_version: 14.3.1 }
+          # { os: macos-14, gcc: gcc-13, gxx: g++-13, testsuite: true }                        # gcc-13: INTERNAL ERROR in ld64
+          # { os: macos-14, gcc: gcc-13, gxx: g++-13, testsuite: true, xcode_version: 14.3.1 } # gcc-13: MISSING HEADER FILES
+          - { os: macos-14, gcc: gcc-12, gxx: g++-12, testsuite: true } # => use gcc-12 for now
     steps:
-      - name: 'Install brew packages'
+      - uses: maxim-lobanov/setup-xcode@v1
+        if: ${{ matrix.xcode_version }}
+        with: { xcode-version: '${{ matrix.xcode_version }}' }
+      - name: Install brew packages
         if: ${{ matrix.testsuite }}
         run: |
+          test -z "$HOMEBREW_PREFIX" && HOMEBREW_PREFIX="$(brew --prefix)"
+          echo "HOMEBREW_PREFIX=$HOMEBREW_PREFIX" >> $GITHUB_ENV
           # testsuite needs working "readlink -en" and "sha256sum -b"
-          if ! test -e /usr/local/opt/coreutils/libexec/gnubin/readlink; then
+          packages="ninja parallel"
-            echo "===== brew leaves:"; brew leaves; echo "===== brew list:"; brew list
+          test -e "$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin/readlink" || packages="$packages coreutils"
+          if test -n "$packages"; then
+            echo "===== brew leaves:"; brew leaves; echo "===== brew list:"; brew list --versions
             # only run "brew update" if needed
-            if ! brew install coreutils; then brew update && brew install coreutils; fi
+            if ! brew install $packages; then brew update && brew install $packages; fi
           fi
-      - name: 'Check out code'
+          mkdir -p ~/.parallel && : > ~/.parallel/$(echo 6305-4721 | tr 0-7 leticlwi)
-        uses: actions/checkout@v4
+          echo "UPX_DEBUG_FORCE_PACK_MACOS=1" >> $GITHUB_ENV
+          case "${{ matrix.os }}" in
+            # TODO FIXME: UPX on macos-13+ is broken => disable run-packed for now
+            macos-13 | macos-14) echo "UPX_CONFIG_DISABLE_RUN_PACKED_TEST=ON" >> $GITHUB_ENV ;;
+          esac
+      - uses: actions/checkout@v4
         with: { submodules: true }
-      - name: 'Check out test suite'
+      - name: Check out test suite
         if: ${{ matrix.testsuite }}
-        run: 'git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite'
+        run: git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite
-      - name: 'Build cmake extra/clang/debug'
+      - run: make build/extra/clang/all
-        run:   'make build/extra/clang/debug'
+      - name: Build extra/gcc/all
-      - name: 'Build cmake extra/clang/release'
+        if: ${{ matrix.gcc }}
-        run:   'make build/extra/clang/release'
+        run: make build/extra/gcc/all CC="${{ matrix.gcc }} -static-libgcc" CXX="${{ matrix.gxx }} -static-libgcc -static-libstdc++"
-      - name: 'Build cmake extra/gcc/debug'
+      - name: Build xtarget/cross-darwin-arm64/all
-        if: ${{ matrix.gcc != '' }}
-        run:   'make build/extra/gcc/debug CC="${{ matrix.gcc }} -static-libgcc" CXX="${{ matrix.gxx }} -static-libgcc -static-libstdc++"'
-      - name: 'Build cmake extra/gcc/release'
-        if: ${{ matrix.gcc != '' }}
-        run:   'make build/extra/gcc/release CC="${{ matrix.gcc }} -static-libgcc" CXX="${{ matrix.gxx }} -static-libgcc -static-libstdc++"'
-      - name: 'Build cmake xtarget/cross-darwin-arm64/debug'
         run: |
-          CC="clang -target arm64-apple-darwin" CXX="clang++ -target arm64-apple-darwin" \
+          make UPX_XTARGET=xtarget/cross-darwin-arm64 xtarget/all \
-          make UPX_XTARGET=cross-darwin-arm64 xtarget/debug
+            CC="clang -target arm64-apple-darwin" CXX="clang++ -target arm64-apple-darwin"
-      - name: 'Build cmake xtarget/cross-darwin-arm64/release'
+      - name: Make artifact
         run: |
-          CC="clang -target arm64-apple-darwin" CXX="clang++ -target arm64-apple-darwin" \
+          X="${{ matrix.xcode_version }}"; test -n "$X" && X="-xcode-$X"
-          make UPX_XTARGET=cross-darwin-arm64 xtarget/release
+          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}$X" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-      - name: 'Make artifact'
-        run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           mkdir -p "tmp/artifact/$N"
           (cd build && rsync -R -a */*/*/upx "../tmp/artifact/$N/")
           (cd tmp/artifact && gtar --sort=name -czf "$N.tar.gz" "$N" && rm -rf "./$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
-        with:
+        with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
-          name: ${{ env.artifact_name }}
+      - name: Run install tests
-          path: tmp/artifact
-      - name: 'Run install tests'
         run: |
-          (cd build/extra/clang/release && DESTDIR=$PWD/Install-with-cmake cmake --install .)
+          (cd build/extra/clang/release && DESTDIR="$PWD/Install with cmake" cmake --install .)
-          (cd build/extra/clang/release && DESTDIR=$PWD/Install-with-make  make install)
+          (cd build/extra/clang/release && DESTDIR="$PWD/Install with make"  make install)
-      - name: 'Run basic tests'
+      - name: Run ctest tests
-        if: ${{ !contains(matrix.os, 'macos-13') }} # FIXME: UPX on macos-13 is broken => disable self-test for now
         run: |
-          make -C build/extra/clang/debug test
+          for f in ./build/extra/*/*/upx; do file $f; done
-#         make -C build/extra/clang/release test
+          jobs="clang/debug clang/release"
-      - name: 'Run file system test suite'
+          test -n "${{ matrix.gcc }}" && jobs="$jobs gcc/debug gcc/release"
+          echo "===== parallel jobs: $jobs"
+          CTEST_JOBS=2 parallel -kv --lb 'make build/extra/{}+test' ::: $jobs
+      - name: Mimic ctest tests
+        run: |
+          export PATH="$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin:$PATH"
+          jobs="clang/debug clang/release"
+          test -n "${{ matrix.gcc }}" && jobs="$jobs gcc/debug gcc/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
+      - name: Run file system test suite
         if: ${{ matrix.testsuite }} # for coreutils readlink
         run: |
-          ## macos-11 does not have "readlink -f"
+          export PATH="$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin:$PATH"
-          ##   testsuite="$(readlink -fn ./misc/testsuite/test_symlinks.sh)"
+          export upx_test_file="$PWD"/build/extra/clang/release/upx
-          ##   (cd build/extra/clang/release && upx_exe=./upx bash "$testsuite")
+          jobs="clang/debug clang/release"
-          export PATH="/usr/local/opt/coreutils/libexec/gnubin:$PATH"
+          test -n "${{ matrix.gcc }}" && jobs="$jobs gcc/debug gcc/release"
-          env -C build/extra/clang/release bash "$PWD"/misc/testsuite/test_symlinks.sh
+          echo "===== parallel jobs: $jobs"
-      - name: 'Run test suite build/extra/clang/release'
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/test_symlinks.sh' ::: $jobs
+      - name: Run test suite
         if: ${{ matrix.testsuite }}
         run: |
-          export PATH="/usr/local/opt/coreutils/libexec/gnubin:$PATH"
+          export PATH="$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin:$PATH"
           export upx_testsuite_SRCDIR="$(readlink -en ../deps/upx-testsuite)"
-          testsuite_1="$(readlink -en ./misc/testsuite/upx_testsuite_1.sh)"
+          jobs="clang/debug clang/release"
-          env -C build/extra/clang/release upx_exe=./upx bash "$testsuite_1"
+          test -n "${{ matrix.gcc }}" && jobs="$jobs gcc/debug gcc/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/upx_testsuite_1.sh' ::: $jobs
 
   job-windows-cmake: # uses cmake + msbuild
     if: true
     needs: [ job-rebuild-and-verify-stubs ]
-    name: ${{ format('{0} cmake', matrix.name) }}
+    name: ${{ format('{0}', matrix.name) }}
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         include:
-          - { name: windows-2019-amd64, os: windows-2019, vsversion: 2019, arch: amd64 }
+          - { name: windows-2019-amd64, os: windows-2019, vsversion: 2019, vsarch: amd64 }
-          - { name: windows-2022-amd64, os: windows-2022, vsversion: 2022, arch: amd64 }
+          - { name: windows-2022-amd64, os: windows-2022, vsversion: 2022, vsarch: amd64 }
     steps:
-      - name: 'Check out code'
+      - run: git config --global core.autocrlf false
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v4
         with: { submodules: true }
-      - name: 'Check out test suite'
+      - name: Check out test suite
-        run: 'git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite'
+        run: git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite
-      - name: 'Set up Developer Command Prompt'
+      - uses: ilammy/msvc-dev-cmd@v1
-        uses: ilammy/msvc-dev-cmd@cec98b9d092141f74527d0afa6feb2af698cfe89 # v1.12.1
+        with: { vsversion: '${{ matrix.vsversion }}', arch: '${{ matrix.vsarch }}' }
-        with:
+      - run: make build/debug
-          vsversion: ${{ matrix.vsversion }}
+      - run: make build/release
-          arch: ${{ matrix.arch }}
+      - name: Make artifact
-      - name: 'Build cmake debug'
-        run:   'make build/debug'
-      - name: 'Build cmake release'
-        run:   'make build/release'
-      - name: 'Make artifact'
         shell: bash
         run: |
           N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           mkdir -p "tmp/artifact/$N"
           (cd build && cp -ai --parents */*/upx.exe "../tmp/artifact/$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
-        with:
+        with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
-          name: ${{ env.artifact_name }}
+      - name: Run ctest tests
-          path: tmp/artifact
+        if: ${{ matrix.vsarch != 'amd64_arm64' }}
-      - name: 'Run basic tests'
-        if: ${{ matrix.arch != 'amd64_arm64' }}
         run: |
-          ctest --test-dir build/debug   -C Debug
+          ctest --test-dir build/debug   --parallel 8 -C Debug
-          ctest --test-dir build/release -C Release
+          ctest --test-dir build/release --parallel 8 -C Release
-      - name: 'Run test suite build/release'
+      - name: Run test suite build/release
-        if: ${{ matrix.arch != 'amd64_arm64' }}
+        if: ${{ matrix.vsarch != 'amd64_arm64' }}
         shell: bash
         run: |
           export upx_testsuite_SRCDIR="$(readlink -en ../deps/upx-testsuite)"
-          testsuite_1="$(readlink -en ./misc/testsuite/upx_testsuite_1.sh)"
+          env -C build/release/Release bash "$PWD"/misc/testsuite/upx_testsuite_1.sh
-          env -C build/release/Release upx_exe=./upx bash "$testsuite_1"
 
   job-windows-toolchains: # build "by hand" using cmd.exe
-    if: true
+    if: github.repository_owner == 'upx'
     needs: [ job-rebuild-and-verify-stubs ]
     name: ${{ format('windows {0}', matrix.name) }}
     runs-on: ${{ matrix.os }}
     env:
       C: ${{ matrix.name }}
       B: release
-      H: 'd:\a\upx\upx'
     strategy:
       fail-fast: false
       matrix:
         include:
-          - { name: amd64-win64-vs2019,   os: windows-2019, vsversion: 2019, arch: amd64 }
+          - { name: amd64-win64-vs2019,   os: windows-2019, vsversion: 2019, vsarch: amd64 }
-          - { name: amd64-win64-vs2022,   os: windows-2022, vsversion: 2022, arch: amd64 }
+          - { name: amd64-win64-vs2022,   os: windows-2022, vsversion: 2022, vsarch: amd64 }
-          - { name: arm64-win64-vs2019,   os: windows-2019, vsversion: 2019, arch: amd64_arm64 }
+          - { name: arm64-win64-vs2019,   os: windows-2019, vsversion: 2019, vsarch: amd64_arm64 }
-          - { name: arm64-win64-vs2022,   os: windows-2022, vsversion: 2022, arch: amd64_arm64 }
+          - { name: arm64-win64-vs2022,   os: windows-2022, vsversion: 2022, vsarch: amd64_arm64 }
-          - { name: arm64ec-win64-vs2022, os: windows-2022, vsversion: 2022, arch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64ec' }
+          - { name: arm64ec-win64-vs2022, os: windows-2022, vsversion: 2022, vsarch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64ec' }
-          # { name: arm64x-win64-vs2022,  os: windows-2022, vsversion: 2022, arch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64x' }
+          # { name: arm64x-win64-vs2022,  os: windows-2022, vsversion: 2022, vsarch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64x' }
-          - { name: i386-win32-vs2019,    os: windows-2019, vsversion: 2019, arch: amd64_x86 }
+          - { name: i386-win32-vs2019,    os: windows-2019, vsversion: 2019, vsarch: amd64_x86 }
-          - { name: i386-win32-vs2022,    os: windows-2022, vsversion: 2022, arch: amd64_x86 }
+          - { name: i386-win32-vs2022,    os: windows-2022, vsversion: 2022, vsarch: amd64_x86 }
     steps:
-      - name: 'Check out code'
+      - run: git config --global core.autocrlf false
-        uses: actions/checkout@v4
+      - uses: actions/checkout@v4
         with: { submodules: true }
-      - name: 'Prepare sources and Check out test suite'
+      - name: Prepare sources and Check out test suite
         shell: bash
         run: |
           git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite
           mkdir -p -v build/$C/$B/{bzip2,ucl,upx,zlib,zstd}
-      - name: 'Set up Developer Command Prompt'
+          repository_name="${GITHUB_REPOSITORY##*/}" # basename
-        uses: ilammy/msvc-dev-cmd@cec98b9d092141f74527d0afa6feb2af698cfe89 # v1.12.1
+          echo "H=d:\\a\\$repository_name\\$repository_name" >> $GITHUB_ENV
-        with:
+      - uses: ilammy/msvc-dev-cmd@v1
-          vsversion: ${{ matrix.vsversion }}
+        with: { vsversion: '${{ matrix.vsversion }}', arch: '${{ matrix.vsarch }}' }
-          arch: ${{ matrix.arch }}
+      - name: Build by hand
-      - name: 'Build by hand'
         shell: cmd
         run: |
           @REM ===== set vars =====
           where cl & where link
           set RUN_CL=cl ${{ matrix.cl_machine_flags }} -MT
           set RUN_LIB=link -lib ${{ matrix.link_machine_flags }}
-          set DEFS=-D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_WARNINGS -DWIN32_LEAN_AND_MEAN
+          @rem UPX only uses the very basic Windows API
+          set DEFS=-D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_WARNINGS -DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0501
           set BDIR=%H%\build\%C%\%B%
           git rev-parse --short=12 HEAD > %BDIR%\upx\.GITREV.txt
           @REM ===== build bzip2 =====
           cd %BDIR%\bzip2
-          @rem %RUN_CL% -J -O2 -W4 -wd4127 -wd4244 -wd4267 -WX %DEFS% -c %H%\vendor\bzip2\*.c
+          @rem %RUN_CL% -J -O2 -W4 -wd4127 -wd4244 -wd4267 -WX %DEFS% -DBZ_NO_STDIO -c %H%\vendor\bzip2\*.c
           @rem %RUN_LIB% -out:bzip2.lib *.obj
           @REM ===== build UCL =====
           cd %BDIR%\ucl
@@ -343,105 +393,111 @@ jobs:
           set s=%H%\src
           cat .GITREV.txt
           set /p GITREV=<.GITREV.txt
-          set UPX_DEFS=-DUPX_CONFIG_DISABLE_WSTRICT=0 -DUPX_CONFIG_DISABLE_WERROR=0 -DWITH_BZIP2=0 -DWITH_ZSTD=0
+          set UPX_DEFS=-DUPX_CONFIG_DISABLE_WSTRICT=0 -DUPX_CONFIG_DISABLE_WERROR=0 -DWITH_THREADS=0 -DWITH_BZIP2=0 -DWITH_ZSTD=0
           set UPX_LIBS=%BDIR%\ucl\ucl.lib %BDIR%\zlib\zlib.lib
           @rem set UPX_LIBS=%BDIR%\bzip2\bzip2.lib %BDIR%\ucl\ucl.lib %BDIR%\zlib\zlib.lib %BDIR%\zstd\zstd.lib
           set sources=%s%\*.cpp %s%\check\*.cpp %s%\compress\*.cpp %s%\console\*.cpp %s%\filter\*.cpp %s%\util\*.cpp
           %RUN_CL% -J -O2 -W4 -WX -std:c++17 -Zc:__cplusplus -EHsc -DUPX_VERSION_GITREV="""%GITREV%""" %DEFS% %UPX_DEFS% -I%H%\vendor -Feupx.exe %sources% %UPX_LIBS% /link ${{ matrix.link_machine_flags }} setargv.obj
-      - name: 'Make artifact'
+      - name: Make artifact
         shell: bash
         run: |
           N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-windows-${{ matrix.name }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           mkdir -p "tmp/artifact/$N/$B"
           cp -ai build/$C/$B/upx/upx*.exe "tmp/artifact/$N/$B"
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
-        with:
+        with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
-          name: ${{ env.artifact_name }}
+      - name: Run basic tests
-          path: tmp/artifact
+        if: ${{ matrix.vsarch != 'amd64_arm64' }}
-      - name: 'Run basic tests'
-        if: ${{ matrix.arch != 'amd64_arm64' }}
         run: |
           $ErrorActionPreference = 'stop'
           $ErrorView = 'NormalView'
           cd $Env:H\build\$Env:C\$Env:B\upx
           $Env:UPX = "--no-color --no-progress"
           .\upx.exe --version
+          .\upx.exe --sysinfo -v
           .\upx.exe upx.exe -o upx_packed.exe
           dir *.exe
           .\upx.exe -l upx_packed.exe
           .\upx.exe -t upx_packed.exe
           .\upx_packed.exe --version
-      - name: 'Run test suite'
+      - name: Run test suite
-        if: ${{ matrix.arch != 'amd64_arm64' }}
+        if: ${{ matrix.vsarch != 'amd64_arm64' }}
         shell: bash
         run: |
           export upx_testsuite_SRCDIR="$(readlink -en ../deps/upx-testsuite)"
-          testsuite_1="$(readlink -en ./misc/testsuite/upx_testsuite_1.sh)"
+          env -C build/$C/$B/upx upx_exe=./upx.exe bash "$PWD"/misc/testsuite/upx_testsuite_1.sh
-          env -C build/$C/$B/upx upx_exe=./upx.exe bash "$testsuite_1"
 
   job-linux-zigcc: # uses cmake + make
     if: github.repository_owner == 'upx'
     needs: [ job-rebuild-and-verify-stubs ]
     name: ${{ format('zigcc {0} {1}', matrix.zig_target, matrix.zig_pic) }}
     runs-on: ubuntu-latest
-    container: 'alpine:3.18' # older versions such as alpine:3.12 also work; no-container also works
+    container: alpine:3.19
     strategy:
       fail-fast: false
       matrix:
         include:
           # only build a few targets => more targets are tested in the Weekly CI
-          - { zig_target: aarch64-linux-musl }
+          - { zig_target: aarch64-linux-musl, qemu: qemu-aarch64 }
-          # { zig_target: aarch64-linux-musl, zig_pic: -fPIE }
+          # { zig_target: aarch64-linux-musl, qemu: qemu-aarch64, zig_pic: -fPIE }
           # { zig_target: aarch64-macos-none }
           - { zig_target: aarch64-macos.11.0-none }
           # { zig_target: aarch64-macos.12.0-none }
           # { zig_target: aarch64-macos.13.0-none }
           - { zig_target: aarch64-windows-gnu }
-          - { zig_target: arm-linux-musleabihf }
+          - { zig_target: arm-linux-musleabihf, qemu: qemu-arm }
-          # { zig_target: arm-linux-musleabihf, zig_pic: -fPIE }
+          # { zig_target: arm-linux-musleabihf, qemu: qemu-arm, zig_pic: -fPIE }
-          # { zig_target: i386-linux-musl }
+          - { zig_target: i386-linux-gnu.2.3.4, zig_flags: -march=i586 }
-          # { zig_target: i386-linux-musl, zig_pic: -fPIE }
+          - { zig_target: i386-linux-musl, zig_flags: -march=i586, qemu: qemu-i386 }
+          # { zig_target: i386-linux-musl, zig_flags: -march=i586, qemu: qemu-i386, zig_pic: -fPIE }
           - { zig_target: i386-windows-gnu }
-          # { zig_target: mips-linux-musl }
+          # mips and mipsel: bad hard-float code generation(??); or QEMU bug; or UPX bug; see https://github.com/upx/upx/issues/788
-          # { zig_target: mipsel-linux-musl }
+          - { zig_target: mips-linux-musl, zig_flags: -msoft-float, qemu: qemu-mips }
-          # { zig_target: powerpc-linux-musl }
+          - { zig_target: mipsel-linux-musl, zig_flags: -msoft-float, qemu: qemu-mipsel }
-          # { zig_target: powerpc64-linux-musl }
+          - { zig_target: powerpc-linux-musl, qemu: qemu-ppc }
-          # { zig_target: powerpc64le-linux-musl }
+          # powerpc64: obscure problem with C++ exceptions in UPX doctest checks; use -fPIC to work-around
-          - { zig_target: x86_64-linux-musl }
+          - { zig_target: powerpc64-linux-musl, zig_flags: -fPIC, qemu: qemu-ppc64 }
-          # { zig_target: x86_64-linux-musl, zig_pic: -fPIE }
+          - { zig_target: powerpc64le-linux-musl, qemu: qemu-ppc64le }
+          - { zig_target: x86_64-linux-gnu.2.3.4, qemu: qemu-x86_64 } # can use QEMU because of gcompat
+          - { zig_target: x86_64-linux-musl, qemu: qemu-x86_64 }
+          # { zig_target: x86_64-linux-musl, qemu: qemu-x86_64, zig_pic: -fPIE }
           # { zig_target: x86_64-macos-none }
           - { zig_target: x86_64-macos.11.0-none }
           # { zig_target: x86_64-macos.12.0-none }
           # { zig_target: x86_64-macos.13.0-none }
           - { zig_target: x86_64-windows-gnu }
     env:
+      # zig is currently missing winpthreads; see https://github.com/ziglang/zig/issues/10989
+      UPX_CONFIG_EXPECT_THREADS: ${{ contains(matrix.zig_target, '-windows-') && 'OFF' || 'ON' }}
       # for zig-cc wrapper scripts (see below):
       ZIG_CPPFLAGS: -DUPX_DOCTEST_CONFIG_MULTITHREADING
       ZIG_FLAGS: ${{ matrix.zig_flags }}
       ZIG_PIC: ${{ matrix.zig_pic }}
       ZIG_TARGET: ${{ matrix.zig_target }}
     steps:
-      - name: 'Install Alpine Linux container packages'
+      - name: Install Alpine Linux container packages
         if: ${{ job.container }}
         shell: sh
         run: |
-          apk update && apk upgrade && apk add bash cmake file git make tar xz
+          apk update && apk upgrade && apk add bash cmake curl file git make parallel tar xz
+          mkdir -p ~/.parallel && : > ~/.parallel/$(echo 6305-4721 | tr 0-7 leticlwi)
           # set PATH like in Ubuntu
           echo "PATH=$HOME/.local/bin:$PATH" >> $GITHUB_ENV
-          # this seems to be needed when running in a container (beause of UID mismatch??)
+          git config --global --add safe.directory '*' # needed when running in a container
-          git config --global --add safe.directory '*'
+      - uses: actions/checkout@v4
-      - name: 'Check out code'
-        uses: actions/checkout@v4
         with: { submodules: true }
       - name: ${{ format('Install Zig {0}', env.ZIG_DIST_VERSION) }}
         shell: bash
         run: |
-          # GitHub Actions magic: set "UPX_GITREV_SHORT" environment value for use in steps below
           rev=$(git rev-parse --short=7 HEAD)
           echo "UPX_GITREV_SHORT=$rev" >> $GITHUB_ENV
+          if [[ "${{ matrix.zig_target }}" == x86_64-linux-gnu.2.3.4 ]]; then
+            echo "NEED_GCOMPAT=1" >> $GITHUB_ENV
+            # TODO FIXME: problem with self-packed upx and musl+gcompat: "Not a valid dynamic program"
+            echo "UPX_CONFIG_DISABLE_RUN_PACKED_TEST=ON" >> $GITHUB_ENV
+          fi
           # update ZIG_TARGET (i386 => x86)
           ZIG_TARGET=${ZIG_TARGET/i386-/x86-}
           echo "ZIG_TARGET=$ZIG_TARGET" >> $GITHUB_ENV
@@ -449,7 +505,7 @@ jobs:
           mkdir -p -v ~/.local/bin
           cd ~/.local/bin
           ZIG_DIST_NAME=zig-linux-x86_64-${ZIG_DIST_VERSION}
-          wget -q https://ziglang.org/builds/${ZIG_DIST_NAME}.tar.xz
+          curl -sS -L -O https://ziglang.org/builds/${ZIG_DIST_NAME}.tar.xz
           ls -l ${ZIG_DIST_NAME}.tar.xz
           tar -xoJf ${ZIG_DIST_NAME}.tar.xz
           rm ${ZIG_DIST_NAME}.tar.xz
@@ -465,18 +521,14 @@ jobs:
           ls -la; head zig-ar zig-cc zig-cxx zig-ranlib
       - name: ${{ format('Build Release with zig-cc -target {0} {1}', env.ZIG_TARGET, env.ZIG_PIC) }}
         run: |
-          mkdir -p build/zig/${ZIG_TARGET}${ZIG_PIC}/release
+          make UPX_XTARGET=zig/${ZIG_TARGET}${ZIG_PIC} xtarget/release \
-          cd       build/zig/${ZIG_TARGET}${ZIG_PIC}/release
+            CC="zig-cc" CXX="zig-cxx" CMAKE_AR="$HOME/.local/bin/zig-ar" CMAKE_RANLIB="$HOME/.local/bin/zig-ranlib"
-          cmake ../../../.. -DCMAKE_BUILD_TYPE=Release -DCMAKE_AR=$HOME/.local/bin/zig-ar -DCMAKE_C_COMPILER=zig-cc -DCMAKE_CXX_COMPILER=zig-cxx -DCMAKE_RANLIB=$HOME/.local/bin/zig-ranlib $EXTRA_CMAKE_CONFIG_FLAGS_RELEASE
+          file build/zig/${ZIG_TARGET}${ZIG_PIC}/release/upx*
-          cmake --build . --config Release --parallel --verbose
-          file ./upx*
       - name: ${{ format('Build Debug with zig-cc -target {0} {1}', env.ZIG_TARGET, env.ZIG_PIC) }}
         run: |
-          mkdir -p build/zig/${ZIG_TARGET}${ZIG_PIC}/debug
+          make UPX_XTARGET=zig/${ZIG_TARGET}${ZIG_PIC} xtarget/debug \
-          cd       build/zig/${ZIG_TARGET}${ZIG_PIC}/debug
+           CC="zig-cc" CXX="zig-cxx" CMAKE_AR="$HOME/.local/bin/zig-ar" CMAKE_RANLIB="$HOME/.local/bin/zig-ranlib"
-          cmake ../../../.. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_AR=$HOME/.local/bin/zig-ar -DCMAKE_C_COMPILER=zig-cc -DCMAKE_CXX_COMPILER=zig-cxx -DCMAKE_RANLIB=$HOME/.local/bin/zig-ranlib $EXTRA_CMAKE_CONFIG_FLAGS_DEBUG
+          file build/zig/${ZIG_TARGET}${ZIG_PIC}/debug/upx*
-          cmake --build . --config Debug --parallel --verbose
-          file ./upx*
       - name: ${{ format('Make artifact from upx-{0}-{1}', github.ref_name, env.UPX_GITREV_SHORT) }}
         shell: bash
         run: |
@@ -484,15 +536,55 @@ jobs:
           mkdir -p "tmp/artifact/$N"
           (cd build && shopt -s nullglob && cp -ai --parents */upx{,.exe} */*/*/upx{,.exe} "../tmp/artifact/$N")
           (cd tmp/artifact && tar --sort=name -czf "$N.tar.gz" "$N" && rm -rf "./$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
-        with:
+        with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
-          name: ${{ env.artifact_name }}
+      - name: Run install tests
-          path: tmp/artifact
-      - name: 'Run install tests'
         if: ${{ contains(matrix.zig_target, '-linux') }}
         run: |
-          (cd build/zig/${ZIG_TARGET}${ZIG_PIC}/release && DESTDIR=$PWD/Install-with-cmake cmake --install .)
+          (cd build/zig/${ZIG_TARGET}${ZIG_PIC}/release && DESTDIR="$PWD/Install with cmake" cmake --install .)
-          (cd build/zig/${ZIG_TARGET}${ZIG_PIC}/release && DESTDIR=$PWD/Install-with-make  make install)
+          (cd build/zig/${ZIG_TARGET}${ZIG_PIC}/release && DESTDIR="$PWD/Install with make"  make install)
+      - name: Run ctest tests
+        if: ${{ matrix.zig_target == 'i386-linux-musl' || matrix.zig_target == 'x86_64-linux-musl' || matrix.zig_target == 'x86_64-linux-gnu.2.3.4' }}
+        run: |
+          test -n "$NEED_GCOMPAT" && apk add gcompat
+          jobs="${ZIG_TARGET}${ZIG_PIC}/debug ${ZIG_TARGET}${ZIG_PIC}/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'make build/zig/{}+test' ::: $jobs
+      - name: Mimic ctest tests
+        if: ${{ matrix.zig_target == 'i386-linux-musl' || matrix.zig_target == 'x86_64-linux-musl' || matrix.zig_target == 'x86_64-linux-gnu.2.3.4' }}
+        run: |
+          test -n "$NEED_GCOMPAT" && apk add gcompat
+          jobs="${ZIG_TARGET}${ZIG_PIC}/debug ${ZIG_TARGET}${ZIG_PIC}/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/zig/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
+      - name: ${{ format('Mimic ctest tests with QEMU {0}', matrix.qemu) }}
+        if: ${{ matrix.qemu }}
+        run: |
+          qemu="${{ matrix.qemu }}"
+          apk add coreutils "${qemu%% *}"
+          test -n "$NEED_GCOMPAT" && apk add gcompat
+          export upx_exe_runner="$qemu"
+          jobs="${ZIG_TARGET}${ZIG_PIC}/debug ${ZIG_TARGET}${ZIG_PIC}/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/zig/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
+      - name: Mimic ctest tests with Valgrind
+        if: ${{ matrix.zig_target == 'x86_64-linux-musl' || matrix.zig_target == 'x86_64-linux-gnu.2.3.4' }}
+        run: |
+          export UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS=ON # valgrind is SLOW
+          apk add coreutils valgrind
+          test -n "$NEED_GCOMPAT" && apk add gcompat
+          export upx_exe_runner="valgrind --leak-check=no --error-exitcode=1 --quiet --gen-suppressions=all"
+          upx_exe_runner="$upx_exe_runner --suppressions=$PWD/misc/valgrind/musl.supp"
+          jobs="${ZIG_TARGET}${ZIG_PIC}/debug ${ZIG_TARGET}${ZIG_PIC}/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/zig/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
+      - name: Run file system test suite
+        if: ${{ matrix.zig_target == 'i386-linux-musl' || matrix.zig_target == 'x86_64-linux-musl' || matrix.zig_target == 'x86_64-linux-gnu.2.3.4' }}
+        run: |
+          apk add coreutils sudo
+          test -n "$NEED_GCOMPAT" && apk add gcompat
+          jobs="${ZIG_TARGET}${ZIG_PIC}/debug ${ZIG_TARGET}${ZIG_PIC}/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/zig/{} && chmod a+w . && sudo -u nobody bash ../../../../misc/testsuite/test_symlinks.sh' ::: $jobs

.github/workflows/github-close-pull-requests.yml

@@ -1,18 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-name: 'GitHub - Close pull requests'
-on:
-  #pull_request:
-  workflow_dispatch:
-jobs:
-  job-close-pull-requests:
-    if: github.repository_owner == 'upx'
-    name: 'Close pull requests'
-    runs-on: ubuntu-latest
-    permissions:
-      pull-requests: write
-    steps:
-      - name: 'Close pull requests'
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          gh pr list --repo='${{ github.repository }}' --state=open --json=number | jq '.[].number' | xargs -r -n1 -- gh pr close --repo='${{ github.repository }}'

.github/workflows/github-close-stale-issues.yml

@@ -12,28 +12,28 @@
 #    Abandoned Issues and Pull Request".
 #   https://igorwiese.com/images/papers/Paper_BotSE_19.pdf
 
-name: 'GitHub - Close inactive issues'
+name: GitHub - Close stale issues
 on:
-  schedule: [cron: '50 0 * * 3'] # run weekly Wednesday 00:50 UTC
+  schedule: [cron: "50 0 * * 1"] # run weekly Monday 00:50 UTC
   workflow_dispatch:
 jobs:
-  job-close-inactive-issues:
+  job-close-stale-issues:
-    if: github.repository_owner == 'upx'
+    if: github.repository_owner == 'upx' && github.repository == 'upx/upx'
-    name: 'Close inactive issues'
+    name: Close stale issues
     runs-on: ubuntu-latest
     permissions:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v8
+      - uses: actions/stale@v9
         with:
           operations-per-run: 300
           exempt-all-milestones: true
           exempt-issue-labels: 'blocker,bug,enhancement,help wanted,regression'
-          days-before-stale: 60
+          days-before-stale: 90
           days-before-close: 30
-          stale-issue-message: 'This issue is stale because it has been open 60 days with no activity. Please remove the stale label or add a comment or this issue will be closed in 30 days.'
+          stale-issue-message: 'This issue is stale because it has been open for 90 days with no activity. Please remove the stale label or add a comment or this issue will be closed in 30 days.'
-          stale-pr-message:       'This PR is stale because it has been open 60 days with no activity. Please remove the stale label or add a comment or this PR will be closed in 30 days.'
+          stale-pr-message:       'This PR is stale because it has been open for 90 days with no activity. Please remove the stale label or add a comment or this PR will be closed in 30 days.'
           close-issue-message: 'This issue was closed because it has been stalled for 30 days with no activity. Please feel free to reopen.'
           close-pr-message:       'This PR was closed because it has been stalled for 30 days with no activity. Please feel free to reopen.'
           repo-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/misc-spell-check.yml

@@ -1,21 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# see https://github.com/crate-ci/typos
-
-name: 'Misc - Spell check'
-on:
-  schedule: [cron: '55 0 * * 3'] # run weekly Wednesday 00:55 UTC
-  workflow_dispatch:
-env:
-  DEBIAN_FRONTEND: noninteractive
-jobs:
-  job-spell-check:
-    if: github.repository_owner == 'upx'
-    name: 'Spell check'
-    runs-on: ubuntu-latest
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: false }
-      - name: 'Spell check with crate-ci/typos'
-        uses: crate-ci/typos@c004e98018d8621614d1ca516eed8ca2d04b365a # v1.16.20
-        with: { config: ./.github/typos_config.toml }

.github/workflows/static-analyzer-clang-analyzer.yml

@@ -1,34 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-
-name: 'Static Analyzer - clang-analyzer'
-on:
-  schedule: [cron: '10 4 * * 3'] # run weekly Wednesday 04:10 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-  job-analyze-clang-analyzer: # uses cmake + make
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix: {container: ['alpine:3.16','alpine:3.17','alpine:3.18','alpine:edge','i386/alpine:edge']}
-    name: ${{ format('Analyze clang-analyzer {0}', matrix.container) }}
-    runs-on: ubuntu-latest
-    container: ${{ matrix.container }}
-    steps:
-      - name: ${{ format('Install packages {0}', matrix.container) }}
-        run: 'apk update && apk upgrade && apk add clang clang-analyzer cmake g++ git make'
-      - name: ${{ format('Check out UPX {0} source code', github.ref_name) }}
-        run: |
-          # this seems to be needed when running in a container (beause of UID mismatch??)
-          git config --global --add safe.directory '*'
-          git clone --branch "$GITHUB_REF_NAME" --depth 1 https://github.com/upx/upx .
-          git submodule update --init
-      - name: 'Perform clang-analyzer scan-build Analysis Debug'
-        run: 'make build/analyze/clang-analyzer/debug'
-      - name: 'Perform clang-analyzer scan-build Analysis Release'
-        if: success() || failure() # run this step even if the previous step failed
-        run: 'make build/analyze/clang-analyzer/release'

.github/workflows/static-analyzer-clang-tidy.yml

@@ -1,34 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-
-name: 'Static Analyzer - clang-tidy'
-on:
-  schedule: [cron: '30 4 * * 3'] # run weekly Wednesday 04:30 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-  job-analyze-clang-tidy: # uses cmake + make
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix: {container: ['alpine:3.18','alpine:edge','i386/alpine:edge']}
-    name: ${{ format('Analyze clang-tidy {0}', matrix.container) }}
-    runs-on: ubuntu-latest
-    container: ${{ matrix.container }}
-    steps:
-      - name: ${{ format('Install packages {0}', matrix.container) }}
-        run: 'apk update && apk upgrade && apk add clang clang-extra-tools cmake g++ git make python3'
-      - name: ${{ format('Check out UPX {0} source code', github.ref_name) }}
-        run: |
-          # this seems to be needed when running in a container (beause of UID mismatch??)
-          git config --global --add safe.directory '*'
-          git clone --branch "$GITHUB_REF_NAME" --depth 1 https://github.com/upx/upx .
-          git submodule update --init
-      - name: 'Perform clang-tidy Analysis Debug'
-        run: 'make -k build/analyze/clang-tidy/debug'
-      - name: 'Perform clang-tidy Analysis Release'
-        if: success() || failure() # run this step even if the previous step failed
-        run: 'make -k build/analyze/clang-tidy/release'

.github/workflows/static-analyzer-codeql.yml

@@ -1,36 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-
-name: 'Static Analyzer - CodeQL'
-on:
-  schedule: [cron: '50 4 * * 3'] # run weekly Wednesday 04:50 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-  job-analyze-codeql:
-    if: github.repository_owner == 'upx'
-    name: Analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'cpp' ]
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
-        with:
-          languages: ${{ matrix.language }}
-      - name: Autobuild
-        uses: github/codeql-action/autobuild@v2
-      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2

.github/workflows/test-alpine-linux.yml

@@ -1,66 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# test minimal number of packages required for building UPX under Alpine Linux
-#   clang: apk add clang cmake make
-#   gcc:   apk add cmake g++ make
-
-name: 'Test - Minimal Alpine build'
-on: [workflow_dispatch]
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-  job-alpine-clang: # uses cmake + make
-    if: true
-    strategy: { matrix: { container: ['alpine:edge','i386/alpine:edge'] } }
-    name: ${{ format('clang {0}', matrix.container) }}
-    runs-on: ubuntu-latest
-    container: ${{ matrix.container }}
-    steps:
-      - name: ${{ format('Build clang {0}', matrix.container) }}
-        run: |
-          apk update && apk upgrade && apk add clang cmake make
-          wget https://github.com/upx/upx/releases/download/v4.1.0/upx-4.1.0-src.tar.xz
-          tar -xoaf upx-*-src.tar.xz
-          cd upx-*-src
-          make    build/debug   CC="clang -static" CXX="clang++ -static"
-          make    build/release CC="clang -static" CXX="clang++ -static"
-          make -C build/debug   test
-          make -C build/release test
-          make -C build/release install DESTDIR="$PWD/Install"
-          N=$(echo "upx-test-alpine-linux-clang-${{ matrix.container }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: missing nodejs on host
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: 'upx*/build/*/upx'
-
-  job-alpine-gcc: # uses cmake + make
-    if: true
-    strategy: { matrix: { container: ['alpine:edge','i386/alpine:edge'] } }
-    name: ${{ format('gcc {0}', matrix.container) }}
-    runs-on: ubuntu-latest
-    container: ${{ matrix.container }}
-    steps:
-      - name: ${{ format('Build gcc {0}', matrix.container) }}
-        run: |
-          apk update && apk upgrade && apk add cmake g++ make
-          wget https://github.com/upx/upx/releases/download/v4.1.0/upx-4.1.0-src.tar.xz
-          tar -xoaf upx-*-src.tar.xz
-          cd upx-*-src
-          make    build/debug   CC="gcc -static" CXX="g++ -static"
-          make    build/release CC="gcc -static" CXX="g++ -static"
-          make -C build/debug   test
-          make -C build/release test
-          make -C build/release install DESTDIR="$PWD/Install"
-          N=$(echo "upx-test-alpine-linux-gcc-${{ matrix.container }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: missing nodejs on host
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: 'upx*/build/*/upx'

.github/workflows/test-cmake-default.yml

@@ -1,133 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-
-name: 'Test - CMake default build type'
-on: [workflow_dispatch]
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-
-#
-# single-config generators - these use and respect CMAKE_BUILD_TYPE
-#
-
-  cmake-make:
-    runs-on: ubuntu-latest
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: 'Config, build, test and install'
-        run: |
-          cmake -S . -B build/default -G "Unix Makefiles"
-          cmake --build build/default --parallel --verbose
-          ctest --test-dir build/default
-          (cd build/default && DESTDIR=$PWD/Install-default cmake --install .)
-          # "make test" also works
-          env -C build/default make test
-          # "make install" also works
-          env -C build/default DESTDIR=./Install-with-make make install
-
-  cmake-ninja:
-    runs-on: ubuntu-latest
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: 'Config, build, test and install'
-        run: |
-          test -f /usr/bin/ninja || sudo apt-get install -y ninja-build
-          cmake -S . -B build/default -G Ninja
-          cmake --build build/default --parallel --verbose
-          ctest --test-dir build/default
-          (cd build/default && DESTDIR=$PWD/Install-default cmake --install .)
-          # "ninja test" also works
-          env -C build/default ninja test
-          # "ninja install" also works
-          env -C build/default DESTDIR=./Install-with-ninja ninja install
-
-  cmake-nmake:
-    runs-on: windows-2022
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: 'Set up Developer Command Prompt'
-        uses: ilammy/msvc-dev-cmd@cec98b9d092141f74527d0afa6feb2af698cfe89 # v1.12.1
-        with:
-          vsversion: 2022
-          arch: amd64
-      - name: 'Config, build, test and install'
-        run: |
-          cmake -S . -B build/default -G "NMake Makefiles"
-          cmake --build build/default --parallel --verbose
-          ctest --test-dir build/default
-          # "cmake --install" works on Windows as well, nice
-          env -C build/default DESTDIR=./Install-default cmake --install .
-          # "nmake test" also works
-          env -C build/default nmake test
-          # "nmake install" also works
-          env -C build/default DESTDIR=./Install-with-nmake nmake install
-
-#
-# multi-config generators - these use CMAKE_CONFIGURATION_TYPES, but the defaults seem inconsistent
-#   => when using multi-config generators always explicitly pass the requested build-config
-#
-
-  # ninja-multi-config seems to use the *first* element of CMAKE_CONFIGURATION_TYPES; nice
-  cmake-ninja-multi-config:
-    runs-on: ubuntu-latest
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: 'Config, build, test and install'
-        run: |
-          test -f /usr/bin/ninja || sudo apt-get install -y ninja-build
-          cmake -S . -B build/default -G "Ninja Multi-Config"
-          cmake --build build/default --parallel --verbose
-          # multi-config: ctest NEEDS a config
-          ctest --test-dir build/default -C Release
-          (cd build/default && DESTDIR=$PWD/Install-default cmake --install .)
-          # "ninja test" also works with multi-config
-          env -C build/default ninja test
-          # "ninja install" also works with multi-config
-          env -C build/default DESTDIR=./Install-with-ninja ninja install
-
-  # vsstudio-multi-config (msbuild) seems to use "Debug" by default
-  cmake-vsstudio-multi-config:
-    runs-on: windows-2022
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: 'Set up Developer Command Prompt'
-        uses: ilammy/msvc-dev-cmd@cec98b9d092141f74527d0afa6feb2af698cfe89 # v1.12.1
-        with:
-          vsversion: 2022
-          arch: amd64
-      - name: 'Config, build and test'
-        run: |
-          cmake -S . -B build/default
-          cmake --build build/default --parallel --verbose
-          # multi-config: ctest NEEDS a config
-          ctest --test-dir build/default -C Debug
-          # TODO: does cmake --install work?
-
-  # xcode-multi-config (xcodebuild) seems to use "Debug" by default, except for "cmake --install" (BUG?)
-  cmake-xcode-multi-config:
-    runs-on: macos-12
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: 'Config, build, test and install'
-        run: |
-          cmake -S . -B build/default -G Xcode
-          cmake --build build/default --parallel --verbose
-          # multi-config: ctest NEEDS a config
-          ctest --test-dir build/default -C Debug
-          # BUG(?) multi-config: cmake --install defaults to "Release" !!
-          (cd build/default && DESTDIR=$PWD/Install-default cmake --install . --config Debug)

.github/workflows/test-unused.yml

@@ -1,16 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-
-name: 'Test - Unused'
-on: [workflow_dispatch]
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-  job-unused: # uses cmake + make
-    if: true
-    runs-on: ubuntu-latest
-    steps:
-      - run: |
-          true

.github/workflows/weekly-ci-bs-by-hand.yml

@@ -1,154 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# BS BuildSystem: build "by hand" using a POSIX-compliant shell
-
-name: 'Weekly CI BS - By Hand'
-on:
-  schedule: [cron: '00 1 * * 3'] # run weekly Wednesday 01:00 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-  VERBOSE: 1
-
-jobs:
-  job-by-hand-alpine-linux-gcc: # uses a POSIX-compliant shell
-    # ...and also uses a subdirectory "upx with space" in order to detect possible quoting issues
-    # ...and also uses ccache as we are running the same build-script again and again
-    if: github.repository_owner == 'upx'
-    strategy: { matrix: { container: ['alpine:3.9','alpine:3.18','alpine:edge','i386/alpine:edge'] } }
-    name: ${{ format('by-hand gcc {0}', matrix.container) }}
-    runs-on: ubuntu-latest
-    container: ${{ matrix.container }}
-    steps:
-      - name: ${{ format('Install packages {0}', matrix.container) }}
-        run: |
-          # install ccache, g++, git and various POSIX shells
-          shells="bash dash loksh mksh zsh"
-          case ${{ matrix.container }} in
-            *:3.18 | *:edge) shells="$shells oksh yash" ;;
-          esac
-          echo "installing shells: $shells"
-          apk update && apk upgrade && apk add ccache g++ git $shells
-          # enable ccache and some warnings
-          xflags="-static -Wall -Wextra -Werror"
-          echo -e "CC=ccache gcc $xflags\nCXX=ccache g++ -std=gnu++17 $xflags" >> $GITHUB_ENV
-          # this seems to be needed when running in a container (beause of UID mismatch??)
-          git config --global --add safe.directory '*'
-          # create user upx:upx 2000:2000 for file system tests below ("sudo")
-          adduser upx -u 2000 -D && cd /home/upx && chmod 00700 . && chown -R upx:upx .
-      - name: ${{ format('Check out UPX {0} source code', github.ref_name) }}
-        run: |
-          git clone --branch "$GITHUB_REF_NAME" --depth 1 https://github.com/upx/upx "upx with space"
-          git -C "upx with space" submodule update --init
-      - name: 'Build by-hand with /bin/sh'
-        run: '/bin/sh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with bash'
-        run: 'bash "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with bash --posix'
-        run: 'bash --posix "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with busybox ash'
-        run: 'busybox ash "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with busybox sh'
-        run: 'busybox sh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with dash'
-        run: 'dash "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with loksh'
-        run: 'ksh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with loksh -o posix'
-        run: 'ksh -o posix "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with loksh -o sh'
-        run: 'ksh -o sh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with mksh'
-        run: 'mksh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with mksh -o posix'
-        run: 'mksh -o posix "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with mksh -o sh'
-        run: 'mksh -o sh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with oksh'
-        if: endsWith(matrix.container, ':3.18') || endsWith(matrix.container, ':edge')
-        run: 'oksh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with oksh -o posix'
-        if: endsWith(matrix.container, ':3.18') || endsWith(matrix.container, ':edge')
-        run: 'oksh -o posix "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with oksh -o sh'
-        if: endsWith(matrix.container, ':3.18') || endsWith(matrix.container, ':edge')
-        run: 'oksh -o sh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with yash'
-        if: endsWith(matrix.container, ':3.18') || endsWith(matrix.container, ':edge')
-        run: 'yash "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with zsh'
-        run: 'zsh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with zsh --emulate ksh'
-        run: 'zsh --emulate ksh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with zsh --emulate sh'
-        run: 'zsh --emulate sh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Show ccache stats'
-        run: |
-          ccache -s
-          ccache -p
-      - name: 'Run file system test suite (busybox)'
-        run: |
-          apk add bash sudo
-          testsuite="$(readlink -fn "upx with space"/misc/testsuite/test_symlinks.sh)"
-          cd "upx with space"/build/by-hand
-          # IMPORTANT: do NOT run as user root!
-          chmod a+w . && sudo -u upx bash "$testsuite"
-      - name: 'Run file system test suite (coreutils)'
-        run: |
-          apk add bash coreutils sudo
-          testsuite="$(readlink -fn "upx with space"/misc/testsuite/test_symlinks.sh)"
-          cd "upx with space"/build/by-hand
-          # IMPORTANT: do NOT run as user root!
-          chmod a+w . && sudo -u upx bash "$testsuite"
-
-  job-by-hand-macos: # uses a POSIX-compliant shell
-    # ...and also uses a subdirectory "upx with space" in order to detect possible quoting issues
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - { os: macos-11, run_fs_test: false } # macos-11 does not have "readlink -f"
-          - { os: macos-12, run_fs_test: true }
-          - { os: macos-13, run_fs_test: true }
-    name: ${{ format('by-hand cc {0}', matrix.os) }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: ${{ format('Check out UPX {0} source code', github.ref_name) }}
-        run: |
-          git clone --branch "$GITHUB_REF_NAME" --depth 1 https://github.com/upx/upx "upx with space"
-          git -C "upx with space" submodule update --init
-      - name: 'Build by-hand with /bin/sh'
-        run: 'top_srcdir="$PWD/upx with space" /bin/sh "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Build by-hand with bash'
-        run: 'top_srcdir="$PWD/upx with space" bash "./upx with space/misc/scripts/build_upx_by_hand.sh"'
-      - name: 'Run file system test suite'
-        if: ${{ matrix.run_fs_test }}
-        run: |
-          testsuite="$(readlink -fn "upx with space"/misc/testsuite/test_symlinks.sh)"
-          cd "upx with space"/build/by-hand
-          bash "$testsuite"
-
-  job-by-hand-windows-gcc: # uses a POSIX-compliant shell
-    # ...and also uses a subdirectory "upx with space" in order to detect possible quoting issues
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - { os: windows-2019 }
-          - { os: windows-2022 }
-    name: ${{ format('by-hand gcc {0}', matrix.os) }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: ${{ format('Check out UPX {0} source code', github.ref_name) }}
-        shell: bash
-        run: |
-          git clone --branch "$GITHUB_REF_NAME" --depth 1 https://github.com/upx/upx "upx with space"
-          git -C "upx with space" submodule update --init
-      - name: 'Build by-hand with bash'
-        shell: bash
-        run: |
-          xflags="-static -Wall -Wextra -Werror"
-          CC="gcc $xflags" CXX="g++ -std=gnu++17 $xflags" bash "./upx with space/misc/scripts/build_upx_by_hand.sh"

.github/workflows/weekly-ci-bs-cmake-macos-xcode.yml

@@ -1,56 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# BS BuildSystem: build on macOS with 'cmake -G Xcode'
-
-name: 'Weekly CI BS - cmake macOS Xcode'
-on:
-  schedule: [cron: '10 1 * * 3'] # run weekly Wednesday 01:10 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-  job-cmake-macos-xcode: # uses cmake + xcodebuild
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - { os: macos-11, run_test: true }
-          - { os: macos-12, run_test: true }
-          - { os: macos-13, run_test: false } # TODO: enable once UPX fully works on macos-13
-    name: ${{ format('{0} cmake Xcode', matrix.os) }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - { name: 'Config cmake Xcode',        run: 'cmake -S . -B build/xcode -G Xcode' }
-      - { name: 'Build cmake Xcode default', run: 'cmake --build build/xcode' }
-      - { name: 'Build cmake Xcode Debug',   run: 'cmake --build build/xcode --config Debug' }
-      - { name: 'Build cmake Xcode Release', run: 'cmake --build build/xcode --config Release' }
-      - name: 'Make artifact'
-        run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-weekly-ci-xcode-${{ matrix.os }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          mkdir -p "tmp/artifact/$N"
-          (cd build && rsync -R -a */*/upx "../tmp/artifact/$N/")
-          (cd tmp/artifact && gtar --sort=name -czf "$N.tar.gz" "$N" && rm -rf "./$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: tmp/artifact
-      - name: 'Run basic tests'
-        if: ${{ matrix.run_test }}
-        run: |
-          ctest --test-dir build/xcode -C Debug
-#         ctest --test-dir build/xcode -C Release
-      - name: 'Run install tests'
-        run: |
-          (cd build/xcode && DESTDIR=$PWD/Install-default cmake --install .)
-          (cd build/xcode && DESTDIR=$PWD/Install-debug   cmake --install . --config Debug)
-          (cd build/xcode && DESTDIR=$PWD/Install-release cmake --install . --config Release)
-          ls -l build/xcode/Install-*/usr/local/bin/upx

.github/workflows/weekly-ci-bs-cmake-windows-make.yml

@@ -1,92 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# BS BuildSystem: build on Windows with 'cmake -G "Unix Makefiles"'
-
-name: 'Weekly CI BS - cmake Windows make'
-on:
-  schedule: [cron: '20 1 * * 3'] # run weekly Wednesday 01:20 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-  UPX_CMAKE_BUILD_FLAGS: --verbose
-  UPX_CMAKE_CONFIG_FLAGS: -G "Unix Makefiles"
-
-jobs:
-  job-cmake-windows-make: # uses cmake + make
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-# INFO: the following don't work with GNU make (probably some quoting problems with spaces or backslashes)
-#   => use Ninja generator instead; see weekly-ci-bs-cmake-windows-ninja.yml
-#         # cl (msvc)
-#         - { os: windows-2019, cc: cl, cxx: cl, vsversion: 2019, arch: amd64 }
-#         - { os: windows-2019, cc: cl, cxx: cl, vsversion: 2019, arch: amd64_arm64 }
-#         - { os: windows-2019, cc: cl, cxx: cl, vsversion: 2019, arch: amd64_x86 }
-#         - { os: windows-2022, cc: cl, cxx: cl, vsversion: 2022, arch: amd64 }
-#         - { os: windows-2022, cc: cl, cxx: cl, vsversion: 2022, arch: amd64_arm64 }
-#         - { os: windows-2022, cc: cl, cxx: cl, vsversion: 2022, arch: amd64_x86 }
-#         # clang-cl
-#         - { os: windows-2022, cc: clang-cl, cxx: clang-cl, vsversion: 2022, arch: amd64 }
-          # clang
-          - { os: windows-2022, cc: clang, cxx: 'clang++', arch: amd64, xflags: '-static' }
-          # gcc (mingw-gcc)
-          - { os: windows-2022, cc: gcc, cxx: 'g++', arch: amd64, xflags: '-static' }
-    env:
-      CC: ${{ matrix.cc }} ${{ matrix.xflags }}
-      CXX: ${{ matrix.cxx }} ${{ matrix.xflags }}
-    name: ${{ format('{0} {1} {2}', matrix.cc, matrix.vsversion, matrix.arch) }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: 'Set up Developer Command Prompt'
-        if: matrix.vsversion
-        uses: ilammy/msvc-dev-cmd@cec98b9d092141f74527d0afa6feb2af698cfe89 # v1.12.1
-        with:
-          vsversion: ${{ matrix.vsversion }}
-          arch: ${{ matrix.arch }}
-      - name: 'Init environment'
-        shell: bash
-        run: |
-          xtarget="windows-make-${{ matrix.cc }}-${{ matrix.vsversion }}-${{ matrix.arch}}"
-          echo "xtarget=$xtarget" >> $GITHUB_ENV
-      - name: 'Build cmake Make Debug'
-        shell: bash
-        run: |
-          make UPX_XTARGET=$xtarget xtarget/debug
-          ls -l build/xtarget/$xtarget/debug/upx.exe
-          file  build/xtarget/$xtarget/debug/upx.exe || true
-      - name: 'Build cmake Make Release'
-        shell: bash
-        run: |
-          make UPX_XTARGET=$xtarget xtarget/release
-          ls -l build/xtarget/$xtarget/release/upx.exe
-          file  build/xtarget/$xtarget/release/upx.exe || true
-      - name: 'Make artifact'
-        shell: bash
-        run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-weekly-ci-make-${xtarget}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          mkdir -p "tmp/artifact/$N"
-          (cd build && cp -ai --parents xtarget/*/*/upx.exe "../tmp/artifact/$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: tmp/artifact
-      - name: 'Run basic tests'
-        if: ${{ matrix.arch != 'amd64_arm64' }}
-        shell: bash
-        run: |
-          ctest --test-dir build/xtarget/$xtarget/debug
-          ctest --test-dir build/xtarget/$xtarget/release
-      - name: 'Run install tests'
-        shell: bash
-        run: |
-          env DESTDIR=./Install-debug   cmake --install build/xtarget/$xtarget/debug
-          env DESTDIR=./Install-release cmake --install build/xtarget/$xtarget/release

.github/workflows/weekly-ci-bs-cmake-windows-ninja.yml

@@ -1,91 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# BS BuildSystem: build on Windows with 'cmake -G Ninja'
-
-name: 'Weekly CI BS - cmake Windows Ninja'
-on:
-  schedule: [cron: '30 1 * * 3'] # run weekly Wednesday 01:30 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-  UPX_CMAKE_BUILD_FLAGS: --verbose
-  UPX_CMAKE_CONFIG_FLAGS: -G Ninja
-
-jobs:
-  job-cmake-windows-ninja: # uses cmake + ninja
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          # cl (msvc)
-          - { os: windows-2019, cc: cl, cxx: cl, vsversion: 2019, arch: amd64 }
-          - { os: windows-2019, cc: cl, cxx: cl, vsversion: 2019, arch: amd64_arm64 }
-          - { os: windows-2019, cc: cl, cxx: cl, vsversion: 2019, arch: amd64_x86 }
-          - { os: windows-2022, cc: cl, cxx: cl, vsversion: 2022, arch: amd64 }
-          - { os: windows-2022, cc: cl, cxx: cl, vsversion: 2022, arch: amd64_arm64 }
-          - { os: windows-2022, cc: cl, cxx: cl, vsversion: 2022, arch: amd64_x86 }
-          # clang-cl
-          - { os: windows-2022, cc: clang-cl, cxx: clang-cl, vsversion: 2022, arch: amd64 }
-          # clang
-          - { os: windows-2022, cc: clang, cxx: 'clang++', arch: amd64, xflags: '-static' }
-          # gcc (mingw-gcc)
-          - { os: windows-2022, cc: gcc, cxx: 'g++', arch: amd64, xflags: '-static' }
-    env:
-      CC: ${{ matrix.cc }} ${{ matrix.xflags }}
-      CXX: ${{ matrix.cxx }} ${{ matrix.xflags }}
-    name: ${{ format('{0} {1} {2}', matrix.cc, matrix.vsversion, matrix.arch) }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: 'Set up Developer Command Prompt'
-        if: matrix.vsversion
-        uses: ilammy/msvc-dev-cmd@cec98b9d092141f74527d0afa6feb2af698cfe89 # v1.12.1
-        with:
-          vsversion: ${{ matrix.vsversion }}
-          arch: ${{ matrix.arch }}
-      - name: 'Init environment'
-        shell: bash
-        run: |
-          command -v ninja >/dev/null || choco install -y --no-progress ninja
-          xtarget="windows-ninja-${{ matrix.cc }}-${{ matrix.vsversion }}-${{ matrix.arch}}"
-          echo "xtarget=$xtarget" >> $GITHUB_ENV
-      - name: 'Build cmake Ninja Debug'
-        shell: bash
-        run: |
-          make UPX_XTARGET=$xtarget xtarget/debug
-          ls -l build/xtarget/$xtarget/debug/upx.exe
-          file  build/xtarget/$xtarget/debug/upx.exe || true
-      - name: 'Build cmake Ninja Release'
-        shell: bash
-        run: |
-          make UPX_XTARGET=$xtarget xtarget/release
-          ls -l build/xtarget/$xtarget/release/upx.exe
-          file  build/xtarget/$xtarget/release/upx.exe || true
-      - name: 'Make artifact'
-        shell: bash
-        run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-weekly-ci-ninja-${xtarget}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          mkdir -p "tmp/artifact/$N"
-          (cd build && cp -ai --parents xtarget/*/*/upx.exe "../tmp/artifact/$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: tmp/artifact
-      - name: 'Run basic tests'
-        if: ${{ matrix.arch != 'amd64_arm64' }}
-        shell: bash
-        run: |
-          ctest --test-dir build/xtarget/$xtarget/debug
-          ctest --test-dir build/xtarget/$xtarget/release
-      - name: 'Run install tests'
-        shell: bash
-        run: |
-          env DESTDIR=./Install-debug   cmake --install build/xtarget/$xtarget/debug
-          env DESTDIR=./Install-release cmake --install build/xtarget/$xtarget/release

.github/workflows/weekly-ci-bs-cmake-windows-nmake.yml

@@ -1,78 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# BS BuildSystem: build on Windows with 'cmake -G "NMake Makefiles"'
-
-name: 'Weekly CI BS - cmake Windows NMake'
-on:
-  schedule: [cron: '40 1 * * 3'] # run weekly Wednesday 01:40 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-  job-cmake-windows-nmake: # uses cmake + nmake
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          # clang-cl
-          - { os: windows-2022, vsversion: 2022, arch: amd64, clang_cl: true }
-          # msvc
-          - { os: windows-2019, vsversion: 2019, arch: amd64 }
-          - { os: windows-2019, vsversion: 2019, arch: amd64_arm64 }
-          - { os: windows-2019, vsversion: 2019, arch: amd64_x86 }
-          - { os: windows-2022, vsversion: 2022, arch: amd64 }
-          - { os: windows-2022, vsversion: 2022, arch: amd64_arm64 }
-          - { os: windows-2022, vsversion: 2022, arch: amd64_x86 }
-    name: ${{ format('vs{0} {1} {2}', matrix.vsversion, matrix.arch, matrix.clang_cl && 'clang-cl' || '') }}
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: 'Set up Developer Command Prompt'
-        uses: ilammy/msvc-dev-cmd@cec98b9d092141f74527d0afa6feb2af698cfe89 # v1.12.1
-        with:
-          vsversion: ${{ matrix.vsversion }}
-          arch: ${{ matrix.arch }}
-      - name: 'Build cmake NMake Debug'
-        shell: cmd
-        run: |
-          set X=${{ matrix.clang_cl && '-DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl' || '' }}
-          cmake -S . -B build/debug -G "NMake Makefiles" -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_BUILD_TYPE=Debug %X%
-          cd build/debug
-          nmake
-          dir *.exe
-      - name: 'Build cmake NMake Release'
-        shell: cmd
-        run: |
-          set X=${{ matrix.clang_cl && '-DCMAKE_C_COMPILER=clang-cl -DCMAKE_CXX_COMPILER=clang-cl' || '' }}
-          cmake -S . -B build/release -G "NMake Makefiles" -DCMAKE_VERBOSE_MAKEFILE=ON %X%
-          cd build/release
-          nmake
-          dir *.exe
-      - name: 'Make artifact'
-        shell: bash
-        run: |
-          X="${{ matrix.clang_cl && '-clang-cl' || '' }}"
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-weekly-ci-nmake-vs${{ matrix.vsversion }}-${{ matrix.arch }}$X" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          mkdir -p "tmp/artifact/$N"
-          (cd build && cp -ai --parents */upx.exe "../tmp/artifact/$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: tmp/artifact
-      - name: 'Run basic tests'
-        if: ${{ matrix.arch != 'amd64_arm64' }}
-        run: |
-          ctest --test-dir build/debug
-          ctest --test-dir build/release
-      - name: 'Run install tests'
-        run: |
-          env DESTDIR=./Install-debug   cmake --install build/debug
-          env DESTDIR=./Install-release cmake --install build/release

.github/workflows/weekly-ci-cc-alpine-linux.yml

@@ -1,204 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# CC CompilationCheck: test various clang and gcc versions
-
-# Build under various Alpine Linux versions with clang and gcc, and
-# also test building with C++20, C++23 and LTO.
-
-# And also uses a subdirectory "upx with space" that contains whitespace in order
-# to detect possible quoting issues.
-
-# info: Alpine Linux 3.9 (released Jan 2019) has clang-5, cmake-3.13.0
-#   and gcc-8, which nicely matches our minimal build requirements
-
-name: 'Weekly CI CC - Alpine Linux C++23'
-on:
-  schedule: [cron: '00 2 * * 3'] # run weekly Wednesday 02:00 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-  UPX_CMAKE_CONFIG_FLAGS: -DCMAKE_VERBOSE_MAKEFILE=ON
-  UPX_TESTSUITE_LEVEL: 4
-
-jobs:
-  job-alpine-cmake: # uses cmake + make
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - { container: 'alpine:3.9' , use_cxx20: 0, use_cxx2b: 0, use_lto: 0 } # Jan 2019: C++17; clang-5 & gcc-8
-          - { container: 'alpine:3.10', use_cxx20: 0, use_cxx2b: 0, use_lto: 0 }
-          - { container: 'alpine:3.11', use_cxx20: 0, use_cxx2b: 0, use_lto: 0 }
-          - { container: 'alpine:3.12', use_cxx20: 0, use_cxx2b: 0, use_lto: 0 }
-          - { container: 'alpine:3.13', use_cxx20: 1, use_cxx2b: 0, use_lto: 0 } # Jan 2021: C++20; clang-10 & gcc-10
-          - { container: 'alpine:3.14', use_cxx20: 1, use_cxx2b: 0, use_lto: 0 }
-          - { container: 'alpine:3.15', use_cxx20: 1, use_cxx2b: 0, use_lto: 1 } # Nov 2021: LTO;   clang-12 & gcc-10 & binutils-2.37
-          - { container: 'alpine:3.16', use_cxx20: 1, use_cxx2b: 1, use_lto: 1 } # May 2022: C++2b; clang-13 & gcc-11
-          - { container: 'alpine:3.17', use_cxx20: 1, use_cxx2b: 1, use_lto: 1 }
-          - { container: 'alpine:3.18', use_cxx20: 1, use_cxx2b: 1, use_lto: 1 }
-          - { container: 'alpine:edge', use_cxx20: 1, use_cxx2b: 1, use_lto: 1 }
-          - { container: 'i386/alpine:edge', use_cxx20: 1, use_cxx2b: 1, use_lto: 1 }
-    name: ${{ format('container {0}', matrix.container) }}
-    runs-on: ubuntu-latest
-    container: ${{ matrix.container }}
-    steps:
-      - name: ${{ format('Install packages {0}', matrix.container) }}
-        run: |
-          apk update && apk upgrade && apk add clang cmake g++ git make
-          case ${{ matrix.container }} in
-            # clang-dev is needed on Alpine versions <= 3.11 for clang headers like <emmintrin.h>
-            *:3.[0-9] | *:3.1[0-1]) apk add clang-dev ;;
-          esac
-          case ${{ matrix.container }}-${{ matrix.use_lto }} in
-            # llvm-dev is needed on Alpine versions <= 3.18 for -flto
-            *:3.[0-9]-1 | *:3.1[0-8]-1) apk add llvm-dev ;;
-          esac
-          # set environment vars
-          x="$(apk list -I "$(apk info -Wq "$(which clang)")")"; echo "clang_package=${x%% *}" >> $GITHUB_ENV
-          x="$(apk list -I "$(apk info -Wq "$(which gcc)")")"; echo "gcc_package=${x%% *}" >> $GITHUB_ENV
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-weekly-ci-alpine-${{ matrix.container }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          echo "artifact_name=$N" >> $GITHUB_ENV
-          # create user upx:upx 2000:2000 for file system tests below ("sudo")
-          adduser upx -u 2000 -D && cd /home/upx && chmod 00700 . && chown -R upx:upx .
-      - name: ${{ format('Check out UPX {0} source code', github.ref_name) }}
-        run: |
-          git clone --branch "$GITHUB_REF_NAME" --depth 1 https://github.com/upx/upx "upx with space"
-          git -C "upx with space" submodule update --init
-
-      # build with default C11 and C++17
-      - name: ${{ format('Build clang Release with {0}', env.clang_package) }}
-        run: 'make -C "upx with space" UPX_XTARGET=clang-static CC="clang -static" CXX="clang++ -static"'
-      - name: ${{ format('Build clang Debug with {0}', env.clang_package) }}
-        run: 'make -C "upx with space" UPX_XTARGET=clang-static CC="clang -static" CXX="clang++ -static" xtarget/debug'
-      - name: ${{ format('Build gcc Release with {0}', env.gcc_package) }}
-        run: 'make -C "upx with space" UPX_XTARGET=gcc-static   CC="gcc -static"   CXX="g++ -static"'
-      - name: ${{ format('Build gcc Debug with {0}', env.gcc_package) }}
-        run: 'make -C "upx with space" UPX_XTARGET=gcc-static   CC="gcc -static"   CXX="g++ -static" xtarget/debug'
-
-      # build with C17 and C++20
-      - name: ${{ format('Build clang C++20 Release with {0}', env.clang_package) }}
-        if: matrix.use_cxx20
-        run: |
-          export UPX_CONFIG_DISABLE_C_STANDARD=ON UPX_CONFIG_DISABLE_CXX_STANDARD=ON
-          make -C "upx with space" UPX_XTARGET=clang-static-cxx20 CC="clang -static -std=gnu17" CXX="clang++ -static -std=gnu++20"
-      - name: ${{ format('Build clang C++20 Debug with {0}', env.clang_package) }}
-        if: matrix.use_cxx20
-        run: |
-          export UPX_CONFIG_DISABLE_C_STANDARD=ON UPX_CONFIG_DISABLE_CXX_STANDARD=ON
-          make -C "upx with space" UPX_XTARGET=clang-static-cxx20 CC="clang -static -std=gnu17" CXX="clang++ -static -std=gnu++20" xtarget/debug
-      - name: ${{ format('Build gcc C++20 Release with {0}', env.gcc_package) }}
-        if: matrix.use_cxx20
-        run: |
-          export UPX_CONFIG_DISABLE_C_STANDARD=ON UPX_CONFIG_DISABLE_CXX_STANDARD=ON
-          make -C "upx with space" UPX_XTARGET=gcc-static-cxx20   CC="gcc -static -std=gnu17"   CXX="g++ -static -std=gnu++20"
-      - name: ${{ format('Build gcc C++20 Debug with {0}', env.gcc_package) }}
-        if: matrix.use_cxx20
-        run: |
-          export UPX_CONFIG_DISABLE_C_STANDARD=ON UPX_CONFIG_DISABLE_CXX_STANDARD=ON
-          make -C "upx with space" UPX_XTARGET=gcc-static-cxx20   CC="gcc -static -std=gnu17"   CXX="g++ -static -std=gnu++20" xtarget/debug
-
-      # build with C23 and C++23
-      - name: ${{ format('Build clang C++23 Release with {0}', env.clang_package) }}
-        if: matrix.use_cxx23 || matrix.use_cxx2b
-        run: |
-          export UPX_CONFIG_DISABLE_C_STANDARD=ON UPX_CONFIG_DISABLE_CXX_STANDARD=ON
-          a=gnu23; b=gnu++23; if test "X${{ matrix.use_cxx2b }}" = X1; then a=gnu2x; b=gnu++2b; fi
-          make -C "upx with space" UPX_XTARGET=clang-static-cxx23 CC="clang -static -std=$a" CXX="clang++ -static -std=$b"
-      - name: ${{ format('Build clang C++23 Debug with {0}', env.clang_package) }}
-        if: matrix.use_cxx23 || matrix.use_cxx2b
-        run: |
-          export UPX_CONFIG_DISABLE_C_STANDARD=ON UPX_CONFIG_DISABLE_CXX_STANDARD=ON
-          a=gnu23; b=gnu++23; if test "X${{ matrix.use_cxx2b }}" = X1; then a=gnu2x; b=gnu++2b; fi
-          make -C "upx with space" UPX_XTARGET=clang-static-cxx23 CC="clang -static -std=$a" CXX="clang++ -static -std=$b" xtarget/debug
-      - name: ${{ format('Build gcc C++23 Release with {0}', env.gcc_package) }}
-        if: matrix.use_cxx23 || matrix.use_cxx2b
-        run: |
-          export UPX_CONFIG_DISABLE_C_STANDARD=ON UPX_CONFIG_DISABLE_CXX_STANDARD=ON
-          a=gnu23; b=gnu++23; if test "X${{ matrix.use_cxx2b }}" = X1; then a=gnu2x; b=gnu++2b; fi
-          make -C "upx with space" UPX_XTARGET=gcc-static-cxx23   CC="gcc -static -std=$a"   CXX="g++ -static -std=$b"
-      - name: ${{ format('Build gcc C++23 Debug with {0}', env.gcc_package) }}
-        if: matrix.use_cxx23 || matrix.use_cxx2b
-        run: |
-          export UPX_CONFIG_DISABLE_C_STANDARD=ON UPX_CONFIG_DISABLE_CXX_STANDARD=ON
-          a=gnu23; b=gnu++23; if test "X${{ matrix.use_cxx2b }}" = X1; then a=gnu2x; b=gnu++2b; fi
-          make -C "upx with space" UPX_XTARGET=gcc-static-cxx23   CC="gcc -static -std=$a"   CXX="g++ -static -std=$b" xtarget/debug
-
-      # build with -flto
-      - name: ${{ format('Build clang LTO Release with {0}', env.clang_package) }}
-        if: matrix.use_lto
-        run: |
-          make -C "upx with space" UPX_XTARGET=clang-static-cxxlto CC="clang -static -flto" CXX="clang++ -static -flto"
-      - name: ${{ format('Build clang LTO Debug with {0}', env.clang_package) }}
-        if: matrix.use_lto
-        run: |
-          make -C "upx with space" UPX_XTARGET=clang-static-cxxlto CC="clang -static -flto" CXX="clang++ -static -flto" xtarget/debug
-      - name: ${{ format('Build gcc LTO Release with {0}', env.gcc_package) }}
-        if: matrix.use_lto
-        run: |
-          make -C "upx with space" UPX_XTARGET=gcc-static-cxxlto   CC="gcc -static -flto"   CXX="g++ -static -flto"
-      - name: ${{ format('Build gcc LTO Debug with {0}', env.gcc_package) }}
-        if: matrix.use_lto
-        run: |
-          make -C "upx with space" UPX_XTARGET=gcc-static-cxxlto   CC="gcc -static -flto"   CXX="g++ -static -flto" xtarget/debug
-
-      - { name: 'Strip release binaries', run: 'strip -p --strip-unneeded "upx with space"/build/*/*/release/upx' }
-
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: missing nodejs on host
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: 'upx with space*/build/*/*/*/upx'
-
-      - name: 'Run install tests'
-        run: |
-          (cd "upx with space"/build/xtarget/clang-static/debug   && DESTDIR="$PWD/Install with cmake" cmake --install .)
-          (cd "upx with space"/build/xtarget/clang-static/debug   && DESTDIR="$PWD/Install with make"  make install)
-          (cd "upx with space"/build/xtarget/clang-static/release && DESTDIR="$PWD/Install with cmake" cmake --install .)
-          (cd "upx with space"/build/xtarget/clang-static/release && DESTDIR="$PWD/Install with make"  make install)
-          (cd "upx with space"/build/xtarget/gcc-static/debug     && DESTDIR="$PWD/Install with cmake" cmake --install .)
-          (cd "upx with space"/build/xtarget/gcc-static/debug     && DESTDIR="$PWD/Install with make"  make install)
-          (cd "upx with space"/build/xtarget/gcc-static/release   && DESTDIR="$PWD/Install with cmake" cmake --install .)
-          (cd "upx with space"/build/xtarget/gcc-static/release   && DESTDIR="$PWD/Install with make"  make install)
-
-      - { name: 'Run basic tests clang Debug',   run: 'make -C "upx with space"/build/xtarget/clang-static/debug test' }
-      - { name: 'Run basic tests clang Release', run: 'make -C "upx with space"/build/xtarget/clang-static/release test' }
-      - { name: 'Run basic tests gcc Debug',     run: 'make -C "upx with space"/build/xtarget/gcc-static/debug test' }
-      - { name: 'Run basic tests gcc Release',   run: 'make -C "upx with space"/build/xtarget/gcc-static/release test' }
-
-      - name: 'Run basic tests C++20, C++23 and LTO'
-        if: matrix.use_cxx20 || matrix.use_cxx23 || matrix.use_cxx2b || matrix.use_lto
-        run: |
-          for dir in "upx with space"/build/xtarget/*-cxx*/*; do
-             echo "===== $dir"
-             make -C "$dir" test
-          done
-
-      - name: 'Run file system test suite (busybox)'
-        run: |
-          apk add bash sudo
-          testsuite="$(readlink -fn "upx with space"/misc/testsuite/test_symlinks.sh)"
-          cd "upx with space"/build/xtarget/gcc-static/release
-          # IMPORTANT: do NOT run as user root!
-          chmod a+w . && sudo -u upx bash "$testsuite"
-
-      # test suite
-      - name: ${{ format('Run test suite level {0}', env.UPX_TESTSUITE_LEVEL) }}
-        run: |
-          # testsuite needs bash and working "readlink -en" and "sha256sum -b"
-          apk add bash coreutils
-          # use a directory that contains whitespace to detect possible quoting issues
-          git clone --depth=1 https://github.com/upx/upx-testsuite "upx-testsuite with space"
-          export upx_testsuite_SRCDIR="$(readlink -fn "upx-testsuite with space")"
-          testsuite_1="$(readlink -fn "upx with space"/misc/testsuite/upx_testsuite_1.sh)"
-          (cd "upx with space"/build/xtarget/gcc-static/release && upx_exe=./upx bash "$testsuite_1")
-
-      - name: 'Run file system test suite (coreutils)'
-        run: |
-          apk add bash coreutils sudo
-          testsuite="$(readlink -fn "upx with space"/misc/testsuite/test_symlinks.sh)"
-          cd "upx with space"/build/xtarget/gcc-static/release
-          # IMPORTANT: do NOT run as user root!
-          chmod a+w . && sudo -u upx bash "$testsuite"

.github/workflows/weekly-ci-cc-alpine-mingw.yml

@@ -1,174 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# CC CompilationCheck: compile with various mingw-gcc versions and run tests under Wine
-
-name: 'Weekly CI CC - Alpine Linux MinGW'
-on:
-  schedule: [cron: '20 2 * * 3'] # run weekly Wednesday 02:20 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-  UPX_CMAKE_CONFIG_FLAGS: -DCMAKE_VERBOSE_MAKEFILE=ON
-
-jobs:
-  job-alpine-mingw: # uses cmake + make
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - { container: 'alpine:3.11', wine: false, i686_mingw: false } # skip Wine testsuite; TODO: internal error: doctest check failed
-          - { container: 'alpine:3.12', wine: false, i686_mingw: false } # skip Wine testsuite; TODO: internal error: doctest check failed
-          - { container: 'alpine:3.13', wine: true,  i686_mingw: false } # wine-4.0.3
-          - { container: 'alpine:3.14', wine: true,  i686_mingw: false } # wine-6.18
-          - { container: 'alpine:3.15', wine: true,  i686_mingw: false } # wine-6.23
-          - { container: 'alpine:3.16', wine: true,  i686_mingw: false } # wine-7.8
-          - { container: 'alpine:3.17', wine: true,  i686_mingw: false } # wine-7.21
-          # Wine >= 8.0 can run i686 32-bit programs in WOW64 mode on pure 64-bit systems
-          - { container: 'alpine:3.18', wine: true,  i686_mingw: true }  # wine-8.13
-          - { container: 'alpine:edge', wine: true,  i686_mingw: true }  # wine-8.17
-    name: ${{ format('container {0}', matrix.container) }}
-    runs-on: ubuntu-latest
-    container: ${{ matrix.container }}
-    steps:
-      - name: ${{ format('Install packages {0}', matrix.container) }}
-        run: |
-          apk update && apk upgrade && apk add bash cmake coreutils file git make tar xz
-          apk add mingw-w64-gcc
-          test "${{ matrix.i686_mingw }}" = "true" && apk add i686-mingw-w64-gcc
-          test "${{ matrix.wine }}" = "true" && apk add wine
-          true
-      - name: ${{ format('Check out UPX {0} source code', github.ref_name) }}
-        run: |
-          # this seems to be needed for Wine when running in a container (beause of UID mismatch??)
-          mkdir -p -v ~/.wine
-          # this seems to be needed when running in a container (beause of UID mismatch??)
-          git config --global --add safe.directory '*'
-          git clone --branch "$GITHUB_REF_NAME" --depth 1 https://github.com/upx/upx .
-          git submodule update --init
-      - name: 'Build cmake extra/cross-windows-mingw32/debug'
-        if: ${{ matrix.i686_mingw }}
-        run:   'make build/extra/cross-windows-mingw32/debug'
-      - name: 'Build cmake extra/cross-windows-mingw32/release'
-        if: ${{ matrix.i686_mingw }}
-        run:   'make build/extra/cross-windows-mingw32/release'
-      - name: 'Build cmake extra/cross-windows-mingw64/debug'
-        run: |
-          # on Alpine 3.11 and 3.12 CMake does not find AR; Alpine >= 3.13 (with CMake 3.18.4) works
-          X=
-          case ${{ matrix.container }} in
-            *:3.1[12]) X="CMAKE_AR=/usr/bin/x86_64-w64-mingw32-ar" ;;
-          esac
-          make build/extra/cross-windows-mingw64/debug $X
-      - name: 'Build cmake extra/cross-windows-mingw64/release'
-        run: |
-          # on Alpine 3.11 and 3.12 CMake does not find AR; Alpine >= 3.13 (with CMake 3.18.4) works
-          X=
-          case ${{ matrix.container }} in
-            *:3.1[12]) X="CMAKE_AR=/usr/bin/x86_64-w64-mingw32-ar" ;;
-          esac
-          make build/extra/cross-windows-mingw64/release $X
-      - name: 'Make artifact'
-        shell: bash
-        run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-weekly-ci-alpine-mingw-${{ matrix.container }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          mkdir -p "tmp/artifact/$N"
-          (cd build && shopt -s nullglob && cp -ai --parents */upx{,.exe} */*/*/upx{,.exe} "../tmp/artifact/$N")
-          (cd tmp/artifact && tar --sort=name -czf "$N.tar.gz" "$N" && rm -rf "./$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: tmp/artifact
-
-      - name: ${{ format('Run test suite under Wine') }}
-        if: ${{ matrix.wine }}
-        run: |
-          git clone --depth=1 https://github.com/upx/upx-testsuite ../upx-testsuite
-          testsuite_1="$(readlink -fn ./misc/testsuite/upx_testsuite_1.sh)"
-          export upx_exe_runner="wine64"
-          if test "${{ matrix.i686_mingw }}" = "true"; then
-          UPX_TESTSUITE_LEVEL=2 \
-          env -C build/extra/cross-windows-mingw32/debug   upx_exe=./upx.exe bash "$testsuite_1"
-          UPX_TESTSUITE_LEVEL=4 \
-          env -C build/extra/cross-windows-mingw32/release upx_exe=./upx.exe bash "$testsuite_1"
-          fi
-          UPX_TESTSUITE_LEVEL=2 \
-          env -C build/extra/cross-windows-mingw64/debug   upx_exe=./upx.exe bash "$testsuite_1"
-          UPX_TESTSUITE_LEVEL=4 \
-          env -C build/extra/cross-windows-mingw64/release upx_exe=./upx.exe bash "$testsuite_1"
-
-      - name: 'Run basic tests under Wine - mingw32/debug'
-        if: ${{ matrix.wine && matrix.i686_mingw }}
-        shell: bash
-        run: |
-          set -ex -o pipefail
-          cd build/extra/cross-windows-mingw32/debug
-          [[ -f upx && ! -f upx.exe ]] && mv -i -v upx upx.exe
-          pwd; file ./upx.exe
-          wine=wine64
-          tt='./upx.exe'
-          $wine ./upx.exe --version-short
-          $wine ./upx.exe -3 $tt -o tt.packed.exe
-          $wine ./upx.exe -l tt.packed.exe
-          $wine ./upx.exe -t tt.packed.exe
-          $wine ./upx.exe -d tt.packed.exe -o tt.unpacked.exe
-          $wine ./tt.packed.exe --version-short
-          $wine ./tt.unpacked.exe --version-short
-
-      - name: 'Run basic tests under Wine - mingw32/release'
-        if: ${{ matrix.wine && matrix.i686_mingw }}
-        shell: bash
-        run: |
-          set -ex -o pipefail
-          cd build/extra/cross-windows-mingw32/release
-          [[ -f upx && ! -f upx.exe ]] && mv -i -v upx upx.exe
-          pwd; file ./upx.exe
-          wine=wine64
-          tt='./upx.exe'
-          $wine ./upx.exe --version-short
-          $wine ./upx.exe -3 $tt -o tt.packed.exe
-          $wine ./upx.exe -l tt.packed.exe
-          $wine ./upx.exe -t tt.packed.exe
-          $wine ./upx.exe -d tt.packed.exe -o tt.unpacked.exe
-          $wine ./tt.packed.exe --version-short
-          $wine ./tt.unpacked.exe --version-short
-
-      - name: 'Run basic tests under Wine - mingw64/debug'
-        if: ${{ matrix.wine }}
-        shell: bash
-        run: |
-          set -ex -o pipefail
-          cd build/extra/cross-windows-mingw64/debug
-          [[ -f upx && ! -f upx.exe ]] && mv -i -v upx upx.exe
-          pwd; file ./upx.exe
-          wine=wine64
-          tt='./upx.exe'
-          $wine ./upx.exe --version-short
-          $wine ./upx.exe -3 $tt -o tt.packed.exe
-          $wine ./upx.exe -l tt.packed.exe
-          $wine ./upx.exe -t tt.packed.exe
-          $wine ./upx.exe -d tt.packed.exe -o tt.unpacked.exe
-          $wine ./tt.packed.exe --version-short
-          $wine ./tt.unpacked.exe --version-short
-
-      - name: 'Run basic tests under Wine - mingw64/release'
-        if: ${{ matrix.wine }}
-        shell: bash
-        run: |
-          set -ex -o pipefail
-          cd build/extra/cross-windows-mingw64/release
-          [[ -f upx && ! -f upx.exe ]] && mv -i -v upx upx.exe
-          pwd; file ./upx.exe
-          wine=wine64
-          tt='./upx.exe'
-          $wine ./upx.exe --version-short
-          $wine ./upx.exe -3 $tt -o tt.packed.exe
-          $wine ./upx.exe -l tt.packed.exe
-          $wine ./upx.exe -t tt.packed.exe
-          $wine ./upx.exe -d tt.packed.exe -o tt.unpacked.exe
-          $wine ./tt.packed.exe --version-short
-          $wine ./tt.unpacked.exe --version-short

.github/workflows/weekly-ci-cc-llvm-mingw.yml

@@ -1,78 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# CC CompilationCheck: test llvm-mingw
-
-# see https://github.com/mstorsjo/llvm-mingw
-
-name: 'Weekly CI CC - llvm-mingw'
-on:
-  schedule: [cron: '30 2 * * 3'] # run weekly Wednesday 02:30 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-  job-llvm-mingw: # uses cmake + make
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - name: llvm-mingw-20230614-msvcrt
-            llvm_version: 16.0.6
-            url: 'https://github.com/mstorsjo/llvm-mingw/releases/download/20230614/llvm-mingw-20230614-msvcrt-ubuntu-20.04-x86_64.tar.xz'
-          - name: llvm-mingw-20230614-ucrt
-            llvm_version: 16.0.6
-            url: 'https://github.com/mstorsjo/llvm-mingw/releases/download/20230614/llvm-mingw-20230614-ucrt-ubuntu-20.04-x86_64.tar.xz'
-          - name: llvm-mingw-20231017-msvcrt
-            llvm_version: 17.0.3
-            url: 'https://github.com/mstorsjo/llvm-mingw/releases/download/20231017/llvm-mingw-20231017-msvcrt-ubuntu-20.04-x86_64.tar.xz'
-          - name: llvm-mingw-20231017-ucrt
-            llvm_version: 17.0.3
-            url: 'https://github.com/mstorsjo/llvm-mingw/releases/download/20231017/llvm-mingw-20231017-ucrt-ubuntu-20.04-x86_64.tar.xz'
-    name: ${{ format('{0} {1}', matrix.name, matrix.llvm_version) }}
-    runs-on: ubuntu-latest
-    steps:
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: ${{ format('Install {0} {1}', matrix.name, matrix.llvm_version) }}
-        run: |
-          mkdir -p -v ~/.local/bin
-          cd ~/.local/bin
-          wget -q '${{ matrix.url }}'
-          ls -l ./llvm-mingw*.tar.*
-          tar -xoaf ./llvm-mingw*.tar.*
-          rm ./llvm-mingw*.tar.*
-          # update PATH
-          cd ./llvm-mingw*/bin
-          echo "PATH=$PWD:$PATH" >> $GITHUB_ENV
-      - name: 'Build clang aarch64'
-        run: |
-          export CC="aarch64-w64-mingw32-clang -static" CXX="aarch64-w64-mingw32-clang++ -static"
-          make UPX_XTARGET=aarch64-w64-mingw32-clang xtarget/debug xtarget/release
-      - name: 'Build clang armv7'
-        run: |
-          export CC="armv7-w64-mingw32-clang -static" CXX="armv7-w64-mingw32-clang++ -static"
-          make UPX_XTARGET=armv7-w64-mingw32-clang xtarget/debug xtarget/release
-      - name: 'Build clang i686'
-        run: |
-          export CC="i686-w64-mingw32-clang -static" CXX="i686-w64-mingw32-clang++ -static"
-          make UPX_XTARGET=i686-w64-mingw32-clang xtarget/debug xtarget/release
-      - name: 'Build clang x86_64'
-        run: |
-          export CC="x86_64-w64-mingw32-clang -static" CXX="x86_64-w64-mingw32-clang++ -static"
-          make UPX_XTARGET=x86_64-w64-mingw32-clang xtarget/debug xtarget/release
-      - name: 'Make artifact'
-        run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-weekly-ci-${{ matrix.name }}-${{ matrix.llvm_version }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          mkdir -p "tmp/artifact/$N"
-          (cd build && cp -ai --parents */*/*/upx.exe "../tmp/artifact/$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: tmp/artifact

.github/workflows/weekly-ci-cc-zigcc.yml

@@ -1,129 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# CC CompilationCheck: test zigcc
-
-# build with "zig cc"; see https://ziglang.org/download/
-
-name: 'Weekly CI CC - zigcc'
-on:
-  schedule: [cron: '40 2 * * 3'] # run weekly Wednesday 02:40 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-  # 2023-10-24
-  ZIG_DIST_VERSION: 0.12.0-dev.1245+a07f288eb
-
-jobs:
-  job-linux-zigcc: # uses cmake + make
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - { zig_target: aarch64-linux-musl }
-          - { zig_target: aarch64-linux-musl, zig_pic: -fPIE }
-          - { zig_target: aarch64-macos-none }
-          - { zig_target: aarch64-macos.11.0-none }
-          - { zig_target: aarch64-macos.12.0-none }
-          - { zig_target: aarch64-macos.13.0-none }
-          - { zig_target: aarch64-windows-gnu }
-          - { zig_target: arm-linux-musleabihf }
-          - { zig_target: arm-linux-musleabihf, zig_pic: -fPIE }
-          - { zig_target: i386-linux-musl }
-          - { zig_target: i386-linux-musl, zig_pic: -fPIE }
-          - { zig_target: i386-windows-gnu }
-          - { zig_target: mips-linux-musl }
-          - { zig_target: mipsel-linux-musl }
-          - { zig_target: powerpc-linux-musl }
-          - { zig_target: powerpc64-linux-musl }
-          - { zig_target: powerpc64le-linux-musl }
-          - { zig_target: x86_64-linux-musl }
-          - { zig_target: x86_64-linux-musl, zig_pic: -fPIE }
-          - { zig_target: x86_64-macos-none }
-          - { zig_target: x86_64-macos.11.0-none }
-          - { zig_target: x86_64-macos.12.0-none }
-          - { zig_target: x86_64-macos.13.0-none }
-          - { zig_target: x86_64-windows-gnu }
-    name: ${{ format('zigcc {0} {1}', matrix.zig_target, matrix.zig_pic) }}
-    runs-on: ubuntu-latest
-    container: 'alpine:3.18' # older versions such as alpine:3.12 also work; no-container also works
-    env:
-      # for zig-cc wrapper scripts (see below):
-      ZIG_CPPFLAGS: -DUPX_DOCTEST_CONFIG_MULTITHREADING
-      ZIG_FLAGS: ${{ matrix.zig_flags }}
-      ZIG_PIC: ${{ matrix.zig_pic }}
-      ZIG_TARGET: ${{ matrix.zig_target }}
-    steps:
-      - name: 'Install Alpine Linux container packages'
-        if: ${{ job.container }}
-        shell: sh
-        run: |
-          apk update && apk upgrade && apk add bash cmake file git make tar xz
-          # set PATH like in Ubuntu
-          echo "PATH=$HOME/.local/bin:$PATH" >> $GITHUB_ENV
-          # this seems to be needed when running in a container (beause of UID mismatch??)
-          git config --global --add safe.directory '*'
-      - name: 'Check out code'
-        uses: actions/checkout@v4
-        with: { submodules: true }
-      - name: ${{ format('Install Zig {0}', env.ZIG_DIST_VERSION) }}
-        shell: bash
-        run: |
-          # GitHub Actions magic: set "UPX_GITREV_SHORT" environment value for use in steps below
-          rev=$(git rev-parse --short=7 HEAD)
-          echo "UPX_GITREV_SHORT=$rev" >> $GITHUB_ENV
-          # update ZIG_TARGET (i386 => x86)
-          ZIG_TARGET=${ZIG_TARGET/i386-/x86-}
-          echo "ZIG_TARGET=$ZIG_TARGET" >> $GITHUB_ENV
-          # install zig; note that ~/.local/bin is included in the default $PATH on Ubuntu
-          mkdir -p -v ~/.local/bin
-          cd ~/.local/bin
-          ZIG_DIST_NAME=zig-linux-x86_64-${ZIG_DIST_VERSION}
-          wget -q https://ziglang.org/builds/${ZIG_DIST_NAME}.tar.xz
-          ls -l ${ZIG_DIST_NAME}.tar.xz
-          tar -xoJf ${ZIG_DIST_NAME}.tar.xz
-          rm ${ZIG_DIST_NAME}.tar.xz
-          ln -s -v ${ZIG_DIST_NAME}/zig zig
-          #echo "PATH=$PATH" && which zig
-          echo -n 'zig version: '; zig version
-          # create wrapper scripts (needed for CMake)
-          echo -e '#!/bin/sh\nexec zig ar "$@"' > zig-ar
-          echo -e '#!/bin/sh\nexec zig cc  -target $ZIG_TARGET $ZIG_PIC $ZIG_FLAGS $ZIG_CPPFLAGS $ZIG_CFLAGS   "$@"' > zig-cc
-          echo -e '#!/bin/sh\nexec zig c++ -target $ZIG_TARGET $ZIG_PIC $ZIG_FLAGS $ZIG_CPPFLAGS $ZIG_CXXFLAGS "$@"' > zig-cxx
-          echo -e '#!/bin/sh\nexec zig ranlib "$@"' > zig-ranlib
-          chmod +x zig-ar zig-cc zig-cxx zig-ranlib
-          ls -la; head zig-ar zig-cc zig-cxx zig-ranlib
-      - name: ${{ format('Build Release with zig-cc -target {0} {1}', env.ZIG_TARGET, env.ZIG_PIC) }}
-        run: |
-          mkdir -p build/zig/${ZIG_TARGET}${ZIG_PIC}/release
-          cd       build/zig/${ZIG_TARGET}${ZIG_PIC}/release
-          cmake ../../../.. -DCMAKE_BUILD_TYPE=Release -DCMAKE_AR=$HOME/.local/bin/zig-ar -DCMAKE_C_COMPILER=zig-cc -DCMAKE_CXX_COMPILER=zig-cxx -DCMAKE_RANLIB=$HOME/.local/bin/zig-ranlib $EXTRA_CMAKE_CONFIG_FLAGS_RELEASE
-          cmake --build . --config Release --parallel --verbose
-          file ./upx*
-      - name: ${{ format('Build Debug with zig-cc -target {0} {1}', env.ZIG_TARGET, env.ZIG_PIC) }}
-        run: |
-          mkdir -p build/zig/${ZIG_TARGET}${ZIG_PIC}/debug
-          cd       build/zig/${ZIG_TARGET}${ZIG_PIC}/debug
-          cmake ../../../.. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_AR=$HOME/.local/bin/zig-ar -DCMAKE_C_COMPILER=zig-cc -DCMAKE_CXX_COMPILER=zig-cxx -DCMAKE_RANLIB=$HOME/.local/bin/zig-ranlib $EXTRA_CMAKE_CONFIG_FLAGS_DEBUG
-          cmake --build . --config Debug --parallel --verbose
-          file ./upx*
-      - name: ${{ format('Make artifact from upx-{0}-{1}', github.ref_name, env.UPX_GITREV_SHORT) }}
-        shell: bash
-        run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-weekly-ci-zigcc-${{ matrix.zig_target }}${ZIG_PIC}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          mkdir -p "tmp/artifact/$N"
-          (cd build && shopt -s nullglob && cp -ai --parents */upx{,.exe} */*/*/upx{,.exe} "../tmp/artifact/$N")
-          (cd tmp/artifact && tar --sort=name -czf "$N.tar.gz" "$N" && rm -rf "./$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: tmp/artifact
-      - name: 'Run install tests'
-        if: ${{ contains(matrix.zig_target, '-linux') }}
-        run: |
-          (cd build/zig/${ZIG_TARGET}${ZIG_PIC}/release && DESTDIR=$PWD/Install-with-cmake cmake --install .)
-          (cd build/zig/${ZIG_TARGET}${ZIG_PIC}/release && DESTDIR=$PWD/Install-with-make  make install)

.github/workflows/weekly-ci-rt-checkers.yml

@@ -1,116 +0,0 @@
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-# RT RunTime checks
-
-# runs ASAN, MSAN, qemu and valgrind checkers; slow!
-
-name: 'Weekly CI RT - ASAN MSAN Valgrind'
-on:
-  schedule: [cron: '00 3 * * 3'] # run weekly Wednesday 03:00 UTC
-  workflow_dispatch:
-env:
-  CMAKE_REQUIRED_QUIET: "OFF"
-  CTEST_OUTPUT_ON_FAILURE: "ON"
-  DEBIAN_FRONTEND: noninteractive
-
-jobs:
-  job-runtime-checkers: # uses cmake + make
-    if: github.repository_owner == 'upx'
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - container: 'alpine:3.18'
-            release: debug
-            qemu: 'qemu-x86_64 -cpu Westmere'
-          - container: 'alpine:3.18'
-            release: release
-            qemu: 'qemu-x86_64 -cpu Westmere'
-          - container: 'alpine:edge'
-            release: release
-            qemu: 'qemu-x86_64 -cpu Westmere'
-          - container: 'i386/alpine:edge'
-            release: release
-            qemu: 'qemu-i386'
-    name: ${{ format('{0} {1}', matrix.container, matrix.release) }}
-    runs-on: ubuntu-latest
-    container: ${{ matrix.container }}
-    env:
-      release: ${{ matrix.release }}
-    steps:
-      - name: ${{ format('Install packages {0} {1}', matrix.container, matrix.release) }}
-        run: |
-          apk update && apk upgrade
-          apk add bash clang cmake compiler-rt coreutils g++ git make qemu-i386 qemu-x86_64 tar valgrind
-          # this seems to be needed when running in a container (beause of UID mismatch??)
-          git config --global --add safe.directory '*'
-      - name: ${{ format('Check out UPX {0} source code', github.ref_name) }}
-        run: |
-          git clone --branch "$GITHUB_REF_NAME" --depth 1 https://github.com/upx/upx .
-          git submodule update --init
-          git clone --depth=1 https://github.com/upx/upx-testsuite ../upx-testsuite
-
-      - name: 'Build clang-static'
-        run: |
-          export CC="clang -static" CXX="clang++ -static"
-          make UPX_XTARGET=clang-static xtarget/$release
-      - name: 'Build clang-asan'
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: ASAN not supported
-        run: |
-          # unfortunately ASAN does not support static linking
-          flags="-fsanitize=address -fsanitize=pointer-compare -fsanitize=pointer-subtract -fsanitize=undefined -fno-omit-frame-pointer"
-          export CC="clang $flags" CXX="clang++ $flags"
-          make UPX_XTARGET=clang-asan xtarget/$release
-      - name: 'Build clang-msan'
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: MSAN not supported
-        run: |
-          # unfortunately MSAN does not support static linking
-          flags="-fsanitize=memory -fsanitize=undefined -fno-omit-frame-pointer -DDOCTEST_CONFIG_DISABLE=1"
-          export CC="clang $flags" CXX="clang++ $flags"
-          make UPX_XTARGET=clang-msan xtarget/$release
-
-      - name: 'Make artifact'
-        run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-weekly-ci-runtime-checkers-${{ matrix.container }}-${{ matrix.release }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
-          mkdir -p "tmp/artifact/$N"
-          (cd build && cp -ai --parents */*/*/upx "../tmp/artifact/$N")
-          (cd tmp/artifact && tar --sort=name -czf "$N.tar.gz" "$N" && rm -rf "./$N")
-          # GitHub Actions magic: set "artifact_name" environment value for use in next step
-          echo "artifact_name=$N" >> $GITHUB_ENV
-      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: missing nodejs on host
-        uses: actions/upload-artifact@v3
-        with:
-          name: ${{ env.artifact_name }}
-          path: tmp/artifact
-
-      - name: 'Run basic tests clang-static'
-        run: 'make -C build/xtarget/clang-static/$release test'
-      - name: 'Run basic tests clang-asan'
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: ASAN not supported
-        run: 'make -C build/xtarget/clang-asan/$release test'
-      - name: 'Run basic tests clang-msan'
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: MSAN not supported
-        run: 'make -C build/xtarget/clang-msan/$release test'
-
-      - name: 'Run testsuite clang-asan'
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: ASAN not supported
-        run: |
-          export ASAN_OPTIONS="detect_invalid_pointer_pairs=2"
-          env -C build/xtarget/clang-asan/$release "$PWD"/misc/testsuite/upx_testsuite_1.sh
-      - name: 'Run testsuite clang-msan'
-        if: ${{ !startsWith(matrix.container, 'i386/') }} # i386: MSAN not supported
-        run: |
-          env -C build/xtarget/clang-msan/$release "$PWD"/misc/testsuite/upx_testsuite_1.sh
-      - name: 'Run testsuite clang-static - QEMU'
-        if: ${{ matrix.qemu }}
-        run: |
-          export upx_exe_runner="${{ matrix.qemu }}"
-          env -C build/xtarget/clang-static/$release "$PWD"/misc/testsuite/upx_testsuite_1.sh
-      - name: 'Run testsuite clang-static - Valgrind'
-        if: true # very slow
-        run: |
-          export upx_exe_runner="valgrind --error-exitcode=1 --quiet"
-          # on current GitHub CI, takes about 30 minutes for release and 80 minutes for debug builds
-          # reduce time for debug builds to about 30 minutes
-          test "$release" = "debug" && export UPX_TESTSUITE_LEVEL=4
-          env -C build/xtarget/clang-static/$release "$PWD"/misc/testsuite/upx_testsuite_1.sh

.gitignore

@@ -1,6 +1,6 @@
 /.hg*
 /.vscode*
-/Makevars.global*
+/Makevars[.-]global*
 /Testing*
 /build*
 /maint*
@@ -8,7 +8,7 @@
 
 GNUmakefile*
 MMakefile*
-Makevars.local*
+Makevars[.-]local*
 compile_flags*.txt
 Tmp*
 tmp*
@@ -16,6 +16,7 @@ tmp*
 *.a
 *.bz2
 *.d
+*.diff
 *.dll
 *.dylib
 *.exe

CMakeLists.txt

@@ -7,76 +7,70 @@
 #   A C++ compiler that fully implements C++17: clang-5, gcc-8 or msvc-2019-16.11
 #   (older or other compilers may work but are unsupported, use at your own risk)
 
+# Sections of this CMakeLists.txt:
+#   - options
+#   - init
+#   - common compilation flags
+#   - targets
+#   - target compilation flags
+#   - test
+#   - install
+#   - print summary
+
 # CMake version check; using a somewhat current CMake version is highly recommended
+file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/.upx_cmake_config_done.txt")
 if(DEFINED UPX_CONFIG_CMAKE_MINIMUM_REQUIRED_VERSION)
     cmake_minimum_required(VERSION "${UPX_CONFIG_CMAKE_MINIMUM_REQUIRED_VERSION}" FATAL_ERROR)
 else()
-    cmake_minimum_required(VERSION 3.8 FATAL_ERROR) # CMake >= 3.8 is needed for CXX_STANDARD 17
+    cmake_minimum_required(VERSION "3.8" FATAL_ERROR) # CMake >= 3.8 is needed for CXX_STANDARD 17
 endif()
 
+# support functions and some utility
+include("${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/functions.cmake")
+
+#***********************************************************************
+# options
+#***********************************************************************
+
+upx_cmake_include_hook(1_options)
+
 # compilation config options
-if(NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/.git")
+if(NOT USE_STRICT_DEFAULTS)
     # permissive config defaults when building from source code tarball
-    option(UPX_CONFIG_DISABLE_GITREV   "Do not compile with default Git version info." ON)
+    option(UPX_CONFIG_DISABLE_GITREV   "Do not compile with Git version info."         ON)
-    option(UPX_CONFIG_DISABLE_SANITIZE "Do not compile with default sanitize options." ON)
+    option(UPX_CONFIG_DISABLE_SANITIZE "Do not compile with sanitize options."         ON)
+    option(UPX_CONFIG_DISABLE_WERROR   "Do not compile with -Werror option."           ON)
     option(UPX_CONFIG_DISABLE_WSTRICT  "Do not compile with strict compiler warnings." ON)
-    option(UPX_CONFIG_DISABLE_WERROR   "Do not compile with default -Werror option."   ON)
 else()
     # strict config defaults for Git developer builds
     message(STATUS "===== UPX info: strict config defaults enabled")
-    option(UPX_CONFIG_DISABLE_GITREV   "Do not compile with default Git version info." OFF)
+    option(UPX_CONFIG_DISABLE_GITREV   "Do not compile with Git version info."         OFF)
-    option(UPX_CONFIG_DISABLE_SANITIZE "Do not compile with default sanitize options." OFF)
+    option(UPX_CONFIG_DISABLE_SANITIZE "Do not compile with sanitize options."         OFF)
+    option(UPX_CONFIG_DISABLE_WERROR   "Do not compile with -Werror option."           OFF)
     option(UPX_CONFIG_DISABLE_WSTRICT  "Do not compile with strict compiler warnings." OFF)
-    option(UPX_CONFIG_DISABLE_WERROR   "Do not compile with default -Werror option."   OFF)
 endif()
 
 # test config options (see below)
 # IMPORTANT NOTE: self-pack test can only work if the host executable format is supported by UPX!
 option(UPX_CONFIG_DISABLE_SELF_PACK_TEST   "Do not test packing UPX with itself" OFF)
+option(UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS "Do not run exhaustive tests"         OFF)
 
 #***********************************************************************
 # init
 #***********************************************************************
 
-# Disallow in-source builds. Note that you will still have to manually
+set(UPX_VERSION_STRING "4.2.4") # this should match src/version.h
+
+upx_cmake_include_hook(2_init)
+
+# Disallow in-source build. Note that you will still have to manually
 # clean up a few files if you accidentally try an in-source build.
 if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/.git")
-    set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
+    upx_disallow_in_source_build()
-    set(CMAKE_DISABLE_SOURCE_CHANGES  ON)
-    if(",${CMAKE_CURRENT_SOURCE_DIR}," STREQUAL ",${CMAKE_CURRENT_BINARY_DIR},")
-        message(FATAL_ERROR "ERROR: In-source builds are not allowed, please use an extra build dir.")
-    endif()
 endif()
 
-# useful for CI jobs: allow settings via environment and cache result
-function(upx_cache_bool_vars)
-    set(default_value "${ARGV0}")
-    list(REMOVE_AT ARGV 0)
-    foreach(var ${ARGV})
-        set(value ${default_value})
-        if(DEFINED UPX_CACHE_${var})            # cached
-            set(value "${UPX_CACHE_${var}}")
-        elseif(DEFINED ${var})                  # defined via "cmake -DXXX=YYY"
-            set(value "${${var}}")
-        elseif("$ENV{${var}}" MATCHES "^(0|1|OFF|ON|FALSE|TRUE)$") # environment
-            set(value "$ENV{${var}}")
-            set(UPX_CACHE_ORIGIN_FROM_ENV_${var} TRUE CACHE INTERNAL "" FORCE)
-        endif()
-        if(value)
-            set(value ON)
-        else()
-            set(value OFF)
-        endif()
-        if(UPX_CACHE_ORIGIN_FROM_ENV_${var})
-            message(STATUS "setting from environment: ${var} = ${value}")
-        endif()
-        set(${var} "${value}" PARENT_SCOPE)
-        set(UPX_CACHE_${var} "${value}" CACHE INTERNAL "" FORCE)
-    endforeach()
-endfunction()
-
 # global settings
-if(${CMAKE_VERSION} VERSION_GREATER "3.14.7" AND NOT DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)
+if(${CMAKE_VERSION} VERSION_GREATER "3.14.99" AND NOT DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)
     set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded")
     cmake_policy(SET CMP0091 NEW)
 endif()
@@ -85,12 +79,16 @@ upx_cache_bool_vars(ON
     CMAKE_C_STANDARD_REQUIRED CMAKE_CXX_STANDARD_REQUIRED
     CMAKE_EXPORT_COMPILE_COMMANDS CMAKE_REQUIRED_QUIET
 )
-# internal UPX settings that default to OFF
+# internal UPX settings
 upx_cache_bool_vars(OFF
     UPX_CONFIG_CMAKE_DISABLE_TEST UPX_CONFIG_CMAKE_DISABLE_INSTALL
     UPX_CONFIG_CMAKE_DISABLE_PRINT_INFO UPX_CONFIG_CMAKE_DISABLE_PLATFORM_CHECK
     UPX_CONFIG_DISABLE_C_STANDARD UPX_CONFIG_DISABLE_CXX_STANDARD
+    UPX_CONFIG_DISABLE_RUN_UNPACKED_TEST UPX_CONFIG_DISABLE_RUN_PACKED_TEST
+    UPX_CONFIG_REQUIRE_THREADS
 )
+upx_cache_bool_vars(ON UPX_CONFIG_EXPECT_THREADS)
+upx_print_env_var(CC CXX)
 
 # determine Git revision
 set(GITREV_SHORT "")
@@ -134,30 +132,16 @@ else()
     message(STATUS "UPX_VERSION_GITREV: not set")
 endif()
 
-# set the default build type to "Release"
-get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
-if(NOT is_multi_config AND NOT CMAKE_BUILD_TYPE)
-    set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build." FORCE)
-endif()
-
 # CMake init
-project(upx VERSION 4.2.0 LANGUAGES C CXX)
+upx_set_default_build_type(Release) # default is CMAKE_BUILD_TYPE=Release
+project(upx VERSION "${UPX_VERSION_STRING}" LANGUAGES C CXX)
+upx_apply_build_type()
 
-# set the default multi-config build type to "Release"
+# set MSVC_FRONTEND, GNU_FRONTEND and MINGW
-if(is_multi_config)
-    set(c "${CMAKE_CONFIGURATION_TYPES}")
-    list(INSERT c 0 "Release")
-    list(INSERT c 1 "Debug")
-    if(CMAKE_BUILD_TYPE)
-        list(INSERT c 0 "${CMAKE_BUILD_TYPE}")
-    endif()
-    list(REMOVE_DUPLICATES c)
-    set(CMAKE_CONFIGURATION_TYPES "${c}" CACHE STRING "List of supported configuration types." FORCE)
-endif()
-
-# set MSVC_FRONTEND and MINGW
 if(NOT DEFINED MSVC_FRONTEND AND (MSVC OR CMAKE_C_COMPILER_FRONTEND_VARIANT MATCHES "^MSVC"))
     set(MSVC_FRONTEND 1)
+elseif (NOT DEFINED GNU_FRONTEND AND (CMAKE_C_COMPILER_FRONTEND_VARIANT MATCHES "^GNU" OR CMAKE_C_COMPILER_ID MATCHES "(Clang|GNU)"))
+    set(GNU_FRONTEND 1)
 endif()
 if(NOT DEFINED MINGW AND CMAKE_C_PLATFORM_ID MATCHES "^MinGW")
     set(MINGW 1)
@@ -173,17 +157,20 @@ include(CheckIncludeFile)
 include(CheckStructHasMember)
 include(CheckSymbolExists)
 
+upx_cmake_include_hook(3_common_compilation_flags)
+
 if(NOT DEFINED HAVE_UNISTD_H)
     check_include_file("unistd.h" HAVE_UNISTD_H)
 endif()
 if(NOT DEFINED HAVE_UTIMENSAT)
+    # proper checking for utimensat() is somewhat messy
     check_function_exists(utimensat HAVE_UTIMENSAT_FUNCTION__)
     if(HAVE_UTIMENSAT_FUNCTION__)
         check_symbol_exists(utimensat "sys/types.h;fcntl.h;sys/stat.h" HAVE_UTIMENSAT_SYMBOL__)
         if(HAVE_UTIMENSAT_SYMBOL__)
-            CHECK_STRUCT_HAS_MEMBER("struct stat" "st_mtim.tv_nsec" "sys/types.h;fcntl.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
+            CHECK_STRUCT_HAS_MEMBER("struct stat" "st_mtim.tv_nsec" "sys/types.h;fcntl.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC) # POSIX.1-2008
             if(NOT HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
-                CHECK_STRUCT_HAS_MEMBER("struct stat" "st_mtimespec.tv_nsec" "sys/types.h;fcntl.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
+                CHECK_STRUCT_HAS_MEMBER("struct stat" "st_mtimespec.tv_nsec" "sys/types.h;fcntl.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC) # macOS
             endif()
             if(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC OR HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
                 set(HAVE_UTIMENSAT 1)
@@ -215,38 +202,6 @@ if(MSVC_FRONTEND)
     set(warn_WX -wd5105 ${warn_WX})
 endif()
 
-function(upx_add_definitions_with_prefix)
-    set(flag_prefix "${ARGV0}")
-    if(flag_prefix MATCHES "^empty$") # need "empty" to work around bug in old CMake versions
-        set(flag_prefix "")
-    endif()
-    list(REMOVE_AT ARGV 0)
-    set(failed "")
-    foreach(f ${ARGV})
-        set(flag "${flag_prefix}${f}")
-        string(REGEX REPLACE "[^0-9a-zA-Z_]" "_" cache_var "HAVE_CFLAG_${flag}")
-        check_c_compiler_flag("${flag}" ${cache_var})
-        if(${cache_var})
-            #message(STATUS "add_definitions: ${flag}")
-            add_definitions("${flag}")
-        else()
-            list(APPEND failed "${f}")
-        endif()
-    endforeach()
-    set(failed_flags "${failed}" PARENT_SCOPE) # return value
-endfunction()
-
-function(upx_add_definitions)
-    set(failed_flags "")
-    if(MSVC_FRONTEND AND CMAKE_C_COMPILER_ID MATCHES "Clang")
-        # for clang-cl try "-clang:" flag prefix first
-        upx_add_definitions_with_prefix("-clang:" ${ARGV})
-        upx_add_definitions_with_prefix("empty" ${failed_flags})
-    else()
-        upx_add_definitions_with_prefix("empty" ${ARGV})
-    endif()
-endfunction()
-
 if(NOT CMAKE_C_COMPILER_ID MATCHES "^MSVC")
     # use -O2 instead of -O3 to reduce code size
     string(REGEX REPLACE "(^| )-O3( |$$)" "\\1-O2\\2" a "${CMAKE_C_FLAGS_RELEASE}")
@@ -261,6 +216,7 @@ if(MSVC_FRONTEND OR WIN32 OR MINGW OR CYGWIN)
     add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
     add_definitions(-D_CRT_SECURE_NO_WARNINGS)
     add_definitions(-DWIN32_LEAN_AND_MEAN)
+    add_definitions(-D__USE_MINGW_ANSI_STDIO)
 endif()
 if(MSVC_FRONTEND)
     # use -funsigned-char; set __cplusplus according to selected C++ standard
@@ -281,65 +237,11 @@ if(NOT CMAKE_C_COMPILER_ID MATCHES "^MSVC")
     endif()
 endif()
 
-# compile a source file with -O2 even in Debug build
+# examine compiler configuration
-function(upx_compile_source_debug_with_O2)
+if(NOT UPX_CONFIG_CMAKE_DISABLE_PRINT_INFO)
-    set(flags "$<$<CONFIG:Debug>:-O2>")
+    upx_print_common_symbols()
-    if (CMAKE_VERSION VERSION_LESS 3.8)
+    upx_print_mingw_symbols()
-        # 3.8: The COMPILE_FLAGS source file property learned to support generator expressions
+endif()
-        if (is_multi_config OR NOT CMAKE_BUILD_TYPE MATCHES "^Debug$")
-            return()
-        endif()
-        set(flags "-O2")
-    endif()
-    if(CMAKE_GENERATOR MATCHES "Xcode") # multi-config
-        # NOTE: Xcode does not support per-config per-source COMPILE_FLAGS (as of CMake 3.27.7)
-        return()
-    endif()
-    foreach(t ${ARGV})
-        if(MSVC_FRONTEND)
-            # MSVC uses some Debug compilation options like -RTC1 that are incompatible with -O2
-        else()
-            get_source_file_property(prop ${t} COMPILE_FLAGS)
-            if(prop MATCHES "^(NOTFOUND)?$")
-                set_source_files_properties(${t} PROPERTIES COMPILE_FLAGS "${flags}")
-            else()
-                set_source_files_properties(${t} PROPERTIES COMPILE_FLAGS "${prop} ${flags}")
-            endif()
-        endif()
-    endforeach()
-endfunction()
-
-# compile a target with -O2 even in Debug build
-function(upx_compile_target_debug_with_O2)
-    foreach(t ${ARGV})
-        if(MSVC_FRONTEND)
-            # MSVC uses some Debug compilation options like -RTC1 that are incompatible with -O2
-        else()
-            target_compile_options(${t} PRIVATE $<$<CONFIG:Debug>:-O2>)
-        endif()
-    endforeach()
-endfunction()
-
-# sanitize a target
-function(upx_sanitize_target)
-    foreach(t ${ARGV})
-        if(UPX_CONFIG_DISABLE_SANITIZE)
-            # no-op
-        elseif(MSVC_FRONTEND)
-            # MSVC uses -GS (similar to -fstack-protector) by default
-        elseif(MINGW OR CYGWIN)
-            # avoid link errors with current MinGW-w64 versions
-            # see https://www.mingw-w64.org/contribute/#sanitizers-asan-tsan-usan
-        else()
-            # default sanitizer for Debug builds
-            target_compile_options(${t} PRIVATE $<$<CONFIG:Debug>:-fsanitize=undefined -fsanitize-undefined-trap-on-error -fstack-protector-all>)
-            # default sanitizer for Release builds
-            target_compile_options(${t} PRIVATE $<$<CONFIG:MinSizeRel>:-fstack-protector>)
-            target_compile_options(${t} PRIVATE $<$<CONFIG:Release>:-fstack-protector>)
-            target_compile_options(${t} PRIVATE $<$<CONFIG:RelWithDebInfo>:-fstack-protector>)
-        endif()
-    endforeach()
-endfunction()
 
 #***********************************************************************
 # targets
@@ -350,44 +252,62 @@ set(UPX_CONFIG_DISABLE_THREADS ON) # multithreading is currently not used; maybe
 set(UPX_CONFIG_DISABLE_BZIP2 ON)   # bzip2 is currently not used; we might need it to decompress linux kernels
 set(UPX_CONFIG_DISABLE_ZSTD ON)    # zstd is currently not used; maybe in UPX version 5
 
+upx_cmake_include_hook(4_targets)
+
 if(NOT UPX_CONFIG_DISABLE_THREADS)
     find_package(Threads)
 endif()
+# make sure that threads are indeed fully supported in C++
+if(Threads_FOUND)
+    foreach(f std_lock_guard.cpp types_abi.cpp)
+        set(CMAKE_TRY_COMPILE_TARGET_TYPE "EXECUTABLE")
+        if(NOT UPX_CONFIG_DISABLE_CXX_STANDARD)
+            try_compile(result "${CMAKE_CURRENT_BINARY_DIR}"
+                        "${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/try_compile/${f}"
+                        OUTPUT_VARIABLE output CXX_STANDARD 17)
+        else()
+            try_compile(result "${CMAKE_CURRENT_BINARY_DIR}"
+                        "${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/try_compile/${f}"
+                        OUTPUT_VARIABLE output)
+        endif()
+        if(NOT result)
+            # failed; under MinGW be sure to use the posix-threads and NOT the win32-threads version
+            #message(STATUS "Threads FAILED ${f}: ${output}") # debug output from try_compile
+            set(Threads_FOUND OFF)
+            break()
+        endif()
+    endforeach()
+endif()
 
 if(NOT UPX_CONFIG_DISABLE_BZIP2)
-file(GLOB bzip2_SOURCES "vendor/bzip2/*.c")
+upx_add_glob_files(bzip2_SOURCES "vendor/bzip2/*.c")
-list(SORT bzip2_SOURCES)
 add_library(upx_vendor_bzip2 STATIC ${bzip2_SOURCES})
 if(NOT UPX_CONFIG_DISABLE_C_STANDARD)
     set_property(TARGET upx_vendor_bzip2 PROPERTY C_STANDARD 11)
 endif()
 endif() # UPX_CONFIG_DISABLE_BZIP2
 
-file(GLOB ucl_SOURCES "vendor/ucl/src/*.c")
+upx_add_glob_files(ucl_SOURCES "vendor/ucl/src/*.c")
-list(SORT ucl_SOURCES)
 add_library(upx_vendor_ucl STATIC ${ucl_SOURCES})
 if(NOT UPX_CONFIG_DISABLE_C_STANDARD)
     set_property(TARGET upx_vendor_ucl PROPERTY C_STANDARD 11)
 endif()
 
-file(GLOB zlib_SOURCES "vendor/zlib/*.c")
+upx_add_glob_files(zlib_SOURCES "vendor/zlib/*.c")
-list(SORT zlib_SOURCES)
 add_library(upx_vendor_zlib STATIC ${zlib_SOURCES})
 if(NOT UPX_CONFIG_DISABLE_C_STANDARD)
     set_property(TARGET upx_vendor_zlib PROPERTY C_STANDARD 11)
 endif()
 
 if(NOT UPX_CONFIG_DISABLE_ZSTD)
-file(GLOB zstd_SOURCES "vendor/zstd/lib/*/*.c")
+upx_add_glob_files(zstd_SOURCES "vendor/zstd/lib/*/*.c")
-list(SORT zstd_SOURCES)
 add_library(upx_vendor_zstd STATIC ${zstd_SOURCES})
 if(NOT UPX_CONFIG_DISABLE_C_STANDARD)
     set_property(TARGET upx_vendor_zstd PROPERTY C_STANDARD 11)
 endif()
 endif() # UPX_CONFIG_DISABLE_ZSTD
 
-file(GLOB upx_SOURCES "src/*.cpp" "src/[cfu]*/*.cpp")
+upx_add_glob_files(upx_SOURCES "src/*.cpp" "src/[cfu]*/*.cpp")
-list(SORT upx_SOURCES)
 add_executable(upx ${upx_SOURCES})
 if(NOT UPX_CONFIG_DISABLE_CXX_STANDARD)
     set_property(TARGET upx PROPERTY CXX_STANDARD 17)
@@ -407,15 +327,19 @@ endif()
 # target compilation flags
 #***********************************************************************
 
+upx_cmake_include_hook(5_target_compilation_flags)
+
 if(NOT UPX_CONFIG_DISABLE_BZIP2)
 set(t upx_vendor_bzip2)
 upx_compile_target_debug_with_O2(${t})
 upx_sanitize_target(${t})
+target_compile_definitions(${t} PRIVATE BZ_NO_STDIO=1)
 if(MSVC_FRONTEND)
     target_compile_options(${t} PRIVATE ${warn_WN} -wd4127 -wd4244 -wd4267 ${warn_WX})
-else()
+elseif(GNU_FRONTEND)
-    target_compile_options(${t} PRIVATE ${warn_Wall} -Wno-implicit-fallthrough ${warn_Werror})
+    target_compile_options(${t} PRIVATE ${warn_Wall} ${warn_Werror})
 endif()
+upx_add_target_extra_compile_options(${t} UPX_CONFIG_EXTRA_COMPILE_OPTIONS_BZIP2)
 endif() # UPX_CONFIG_DISABLE_BZIP2
 
 set(t upx_vendor_ucl)
@@ -424,9 +348,10 @@ upx_compile_target_debug_with_O2(${t})
 upx_sanitize_target(${t})
 if(MSVC_FRONTEND)
     target_compile_options(${t} PRIVATE ${warn_WN} ${warn_WX})
-else()
+elseif(GNU_FRONTEND)
     target_compile_options(${t} PRIVATE ${warn_Wall} ${warn_Werror})
 endif()
+upx_add_target_extra_compile_options(${t} UPX_CONFIG_EXTRA_COMPILE_OPTIONS_UCL)
 
 set(t upx_vendor_zlib)
 upx_compile_target_debug_with_O2(${t})
@@ -437,10 +362,10 @@ if(HAVE_UNISTD_H)
 endif()
 if(MSVC_FRONTEND)
     target_compile_options(${t} PRIVATE -W3 ${warn_WX})
-else()
+elseif(GNU_FRONTEND)
-    target_compile_options(${t} PRIVATE -Wall ${warn_Werror})
+    target_compile_options(${t} PRIVATE ${warn_Wall} -Wno-cast-align -Wno-cast-qual ${warn_Werror})
-    ##target_compile_options(${t} PRIVATE ${warn_Wall} -Wno-cast-align -Wno-cast-qual ${warn_Werror})
 endif()
+upx_add_target_extra_compile_options(${t} UPX_CONFIG_EXTRA_COMPILE_OPTIONS_ZLIB)
 
 if(NOT UPX_CONFIG_DISABLE_ZSTD)
 set(t upx_vendor_zstd)
@@ -449,9 +374,10 @@ upx_sanitize_target(${t})
 target_compile_definitions(${t} PRIVATE DYNAMIC_BMI2=0 ZSTD_DISABLE_ASM=1)
 if(MSVC_FRONTEND)
     target_compile_options(${t} PRIVATE ${warn_WN} ${warn_WX})
-else()
+elseif(GNU_FRONTEND)
     target_compile_options(${t} PRIVATE ${warn_Wall} ${warn_Werror})
 endif()
+upx_add_target_extra_compile_options(${t} UPX_CONFIG_EXTRA_COMPILE_OPTIONS_ZSTD)
 endif() # UPX_CONFIG_DISABLE_ZSTD
 
 set(t upx)
@@ -473,7 +399,7 @@ if(NOT UPX_CONFIG_DISABLE_WERROR)
     target_compile_definitions(${t} PRIVATE UPX_CONFIG_DISABLE_WERROR=0)
 endif()
 if(NOT UPX_CONFIG_DISABLE_BZIP2)
-    target_compile_definitions(${t} PRIVATE WITH_BZIP2=0) # FIXME TODO
+    target_compile_definitions(${t} PRIVATE WITH_BZIP2=1)
 endif()
 if(NOT UPX_CONFIG_DISABLE_ZSTD)
     target_compile_definitions(${t} PRIVATE WITH_ZSTD=1)
@@ -484,63 +410,58 @@ if(HAVE_UTIMENSAT)
         target_compile_definitions(${t} PRIVATE HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC=1)
     endif()
 endif()
-# improve speed of the debug versions
+# improve speed of the Debug versions
 upx_compile_source_debug_with_O2(src/compress/compress_lzma.cpp)
 upx_compile_source_debug_with_O2(src/filter/filter_impl.cpp)
 #upx_compile_target_debug_with_O2(${t})
 upx_sanitize_target(${t})
 if(MSVC_FRONTEND)
     target_compile_options(${t} PRIVATE -EHsc ${warn_WN} ${warn_WX})
-else()
+elseif(GNU_FRONTEND)
     target_compile_options(${t} PRIVATE ${warn_Wall} ${warn_Werror})
 endif()
+upx_add_target_extra_compile_options(${t} UPX_CONFIG_EXTRA_COMPILE_OPTIONS_UPX)
 
 #***********************************************************************
+# test
 #   ctest
 #   make test
 #   ninja test
 #***********************************************************************
 
+upx_cmake_include_hook(6_test)
+
 if(NOT UPX_CONFIG_CMAKE_DISABLE_TEST)
 
 include(CTest)
-# TODO later: check CMAKE_CROSSCOMPILING_EMULATOR
+if(NOT CMAKE_CROSSCOMPILING OR CMAKE_CROSSCOMPILING_EMULATOR)
-if(NOT CMAKE_CROSSCOMPILING)
+    upx_add_test(upx-version       upx --version)
-    add_test(NAME upx-version COMMAND upx --version)
+    upx_add_test(upx-version-short upx --version-short)
-    add_test(NAME upx-help    COMMAND upx --help)
+    upx_add_test(upx-license       upx --license)
-endif()
+    upx_add_test(upx-help-1        upx --help)
-if(NOT CMAKE_CROSSCOMPILING AND NOT UPX_CONFIG_DISABLE_SELF_PACK_TEST)
+    upx_add_test(upx-help-2        upx --help-short)
-    # IMPORTANT NOTE: these tests can only work if the host executable format is supported by UPX!
+    upx_add_test(upx-help-3        upx --help-verbose)
-    function(upx_add_test)
+    upx_add_test(upx-sysinfo-1     upx --sysinfo)
-        set(name "${ARGV0}")
+    upx_add_test(upx-sysinfo-2     upx --sysinfo -v)
-        list(REMOVE_AT ARGV 0)
+    upx_add_test(upx-sysinfo-3     upx --sysinfo -vv)
-        add_test(NAME "${name}" COMMAND ${ARGV})
+    if(NOT UPX_CONFIG_DISABLE_SELF_PACK_TEST)
-        set_tests_properties("${name}" PROPERTIES RUN_SERIAL TRUE) # run these tests sequentially
+        # IMPORTANT NOTE: these tests can only work if the host executable format
-    endfunction()
+        #   is supported by UPX!
-    set(exe ${CMAKE_EXECUTABLE_SUFFIX})
+        include("${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/self_pack_test.cmake")
-    set(upx_self_exe "$<TARGET_FILE:upx>")
+    endif()
-    set(fo "--force-overwrite")
-    upx_add_test(upx-self-pack      upx -3         "${upx_self_exe}" ${fo} -o upx-packed${exe})
-    upx_add_test(upx-self-pack-n2b  upx -3 --nrv2b "${upx_self_exe}" ${fo} -o upx-packed-n2b${exe})
-    upx_add_test(upx-self-pack-n2d  upx -3 --nrv2d "${upx_self_exe}" ${fo} -o upx-packed-n2d${exe})
-    upx_add_test(upx-self-pack-n2e  upx -3 --nrv2e "${upx_self_exe}" ${fo} -o upx-packed-n2e${exe})
-    upx_add_test(upx-self-pack-lzma upx -1 --lzma  "${upx_self_exe}" ${fo} -o upx-packed-lzma${exe})
-    upx_add_test(upx-list           upx -l         upx-packed${exe} upx-packed-n2b${exe} upx-packed-n2d${exe} upx-packed-n2e${exe} upx-packed-lzma${exe})
-    upx_add_test(upx-fileinfo       upx --fileinfo upx-packed${exe} upx-packed-n2b${exe} upx-packed-n2d${exe} upx-packed-n2e${exe} upx-packed-lzma${exe})
-    upx_add_test(upx-test           upx -t         upx-packed${exe} upx-packed-n2b${exe} upx-packed-n2d${exe} upx-packed-n2e${exe} upx-packed-lzma${exe})
-    upx_add_test(upx-unpack         upx -d upx-packed${exe} ${fo} -o upx-unpacked${exe})
-    upx_add_test(upx-run-unpacked   ./upx-unpacked${exe} --version-short)
-    upx_add_test(upx-run-packed     ./upx-packed${exe} --version-short)
 endif()
 
 endif() # UPX_CONFIG_CMAKE_DISABLE_TEST
 
 #***********************************************************************
+# install
 #   cmake --install .
 #   make install
 #   ninja install
 #***********************************************************************
 
+upx_cmake_include_hook(7_install)
+
 if(NOT UPX_CONFIG_CMAKE_DISABLE_INSTALL)
 
 # installation prefix and directories
@@ -551,6 +472,7 @@ endif()
 if(CMAKE_INSTALL_PREFIX)
     include(GNUInstallDirs)
 endif()
+# install files
 if(CMAKE_INSTALL_PREFIX AND DEFINED CMAKE_INSTALL_FULL_BINDIR)
     install(TARGETS upx DESTINATION "${CMAKE_INSTALL_FULL_BINDIR}")
     install(FILES
@@ -563,46 +485,36 @@ endif()
 endif() # UPX_CONFIG_CMAKE_DISABLE_INSTALL
 
 #***********************************************************************
-# finally print some info about the build configuration
+# summary
+# print some info about the build configuration
 #***********************************************************************
 
-function(print_var)
+upx_cmake_include_hook(8_summary)
-    foreach(var ${ARGV})
-        if(${var})
-            message(STATUS "${var} = ${${var}}")
-        endif()
-    endforeach()
-endfunction()
 
-if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/maint/make/CMakeLists.maint.txt")
+upx_print_var(CMAKE_VERSION UPX_CONFIG_CMAKE_MINIMUM_REQUIRED_VERSION CMAKE_GENERATOR)
-include("${CMAKE_CURRENT_SOURCE_DIR}/maint/make/CMakeLists.maint.txt")
-endif()
-
-print_var(CMAKE_VERSION UPX_CONFIG_CMAKE_MINIMUM_REQUIRED_VERSION CMAKE_GENERATOR)
 if(NOT UPX_CONFIG_CMAKE_DISABLE_PRINT_INFO)
-print_var(CMAKE_HOST_SYSTEM_NAME CMAKE_HOST_SYSTEM_VERSION)
+    include("${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/print_info.cmake")
-print_var(CMAKE_SYSTEM_NAME CMAKE_SYSTEM_VERSION CMAKE_CROSSCOMPILING)
+endif()
-print_var(CMAKE_C_COMPILER_ID CMAKE_C_COMPILER_VERSION CMAKE_C_COMPILER_FRONTEND_VARIANT CMAKE_C_COMPILER_ARCHITECTURE_ID CMAKE_C_PLATFORM_ID CMAKE_C_COMPILER_ABI)
+upx_print_var(CMAKE_INSTALL_PREFIX CMAKE_CONFIGURATION_TYPES CMAKE_TRY_COMPILE_CONFIGURATION CMAKE_BUILD_TYPE)
-print_var(CMAKE_CXX_COMPILER_ID CMAKE_CXX_COMPILER_VERSION CMAKE_CXX_COMPILER_FRONTEND_VARIANT CMAKE_CXX_COMPILER_ARCHITECTURE_ID CMAKE_CXX_PLATFORM_ID CMAKE_CXX_COMPILER_ABI)
+if(Threads_FOUND)
-print_var(CMAKE_POSITION_INDEPENDENT_CODE)
+    message(STATUS "WITH_THREADS = 1")
-print_var(CYGWIN GNUC MINGW MSVC MSVC_FRONTEND MSVC_IDE WIN32 WIN64)
+elseif(UPX_CONFIG_REQUIRE_THREADS)
-endif() # UPX_CONFIG_CMAKE_DISABLE_PRINT_INFO
+    message(FATAL_ERROR "ERROR: WITH_THREADS required")
-print_var(CMAKE_INSTALL_PREFIX CMAKE_CONFIGURATION_TYPES CMAKE_BUILD_TYPE)
+elseif(UPX_CONFIG_EXPECT_THREADS AND NOT UPX_CONFIG_DISABLE_THREADS)
+    message(FATAL_ERROR "ERROR: WITH_THREADS expected; set UPX_CONFIG_EXPECT_THREADS=OFF")
+endif()
 if(CMAKE_BUILD_TYPE AND NOT CMAKE_BUILD_TYPE MATCHES "^(Debug|None|Release)$")
     message(WARNING "WARNING: unsupported CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}; please use \"Debug\" or \"Release\"")
 endif()
 
 # extra sanity checks to detect incompatible C vs CXX settings
 if(NOT UPX_CONFIG_CMAKE_DISABLE_PLATFORM_CHECK)
-if(NOT ",${CMAKE_C_PLATFORM_ID}," STREQUAL ",${CMAKE_CXX_PLATFORM_ID},")
+    upx_platform_check_mismatch(CMAKE_C_PLATFORM_ID CMAKE_CXX_PLATFORM_ID)
-    message(FATAL_ERROR "ERROR: CMAKE_C_PLATFORM_ID CMAKE_CXX_PLATFORM_ID mismatch")
+    upx_platform_check_mismatch(CMAKE_C_COMPILER_ABI CMAKE_CXX_COMPILER_ABI)
+    upx_platform_check_mismatch(CMAKE_C_COMPILER_FRONTEND_VARIANT CMAKE_CXX_COMPILER_FRONTEND_VARIANT)
 endif()
-if(NOT ",${CMAKE_C_COMPILER_ABI}," STREQUAL ",${CMAKE_CXX_COMPILER_ABI},")
+
-    message(FATAL_ERROR "ERROR: CMAKE_C_COMPILER_ABI CMAKE_CXX_COMPILER_ABI mismatch")
+upx_cmake_include_hook(9_finish)
-endif()
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/.upx_cmake_config_done.txt" "")
-if(NOT ",${CMAKE_C_COMPILER_FRONTEND_VARIANT}," STREQUAL ",${CMAKE_CXX_COMPILER_FRONTEND_VARIANT},")
-    message(FATAL_ERROR "ERROR: CMAKE_C_COMPILER_FRONTEND_VARIANT CMAKE_CXX_COMPILER_FRONTEND_VARIANT mismatch")
-endif()
-endif() # UPX_CONFIG_CMAKE_DISABLE_PLATFORM_CHECK
 
 # vim:set ft=cmake ts=4 sw=4 tw=0 et:

Makefile

@@ -24,14 +24,14 @@ endif
 # default
 #***********************************************************************
 
+.DEFAULT_GOAL = build/release
+
 run_cmake_config = $(CMAKE) -S . -B $1 $(UPX_CMAKE_CONFIG_FLAGS) -DCMAKE_BUILD_TYPE=$2
 run_cmake_build  = $(CMAKE) --build $1 $(UPX_CMAKE_BUILD_FLAGS) --config $2
-# avoid re-running run_cmake_config if CMakeCache.txt already exists
+# avoid re-running run_cmake_config if .upx_cmake_config_done.txt already exists
-run_config       = $(if $(wildcard $1/CMakeCache.txt),,$(call run_cmake_config,$1,$2))
+run_config       = $(if $(wildcard $1/CMakeFiles/.upx_cmake_config_done.txt),,$(call run_cmake_config,$1,$2))
 run_build        = $(call run_cmake_build,$1,$2)
 
-.DEFAULT_GOAL = build/release
-
 build/debug: PHONY
 	$(call run_config,$@,Debug)
 	$(call run_build,$@,Debug)
@@ -46,10 +46,31 @@ build/release: PHONY
 .SUFFIXES:
 
 # shortcuts (all => debug + release)
-debug:   build/debug
+debug:   build/debug PHONY
-release: build/release
+release: build/release PHONY
-all build/all: build/debug build/release
+all build/all: build/debug build/release PHONY
-build/%/all:   $$(dir $$@)debug $$(dir $$@)release ;
+build/%/all:   $$(dir $$@)debug $$(dir $$@)release PHONY ;
+
+#***********************************************************************
+# test
+#***********************************************************************
+
+CTEST = ctest
+CTEST_JOBS ?= 8
+CTEST_FLAGS = --output-on-failure --parallel $(CTEST_JOBS)
+
+build/debug+test:     $$(dir $$@)debug PHONY; cd "$(dir $@)debug" && $(CTEST) $(CTEST_FLAGS) -C Debug
+build/%/debug+test:   $$(dir $$@)debug PHONY; cd "$(dir $@)debug" && $(CTEST) $(CTEST_FLAGS) -C Debug
+build/release+test:   $$(dir $$@)release PHONY; cd "$(dir $@)release" && $(CTEST) $(CTEST_FLAGS) -C Release
+build/%/release+test: $$(dir $$@)release PHONY; cd "$(dir $@)release" && $(CTEST) $(CTEST_FLAGS) -C Release
+build/%/all+test:     $$(dir $$@)debug+test $$(dir $$@)release+test PHONY ;
+
+# shortcuts
+debug+test:   build/debug+test PHONY
+release+test: build/release+test PHONY
+all+test build/all+test: build/debug+test build/release+test PHONY
+
+test: $$(patsubst %+test,%,$$(.DEFAULT_GOAL))+test PHONY
 
 #
 # END of Makefile
@@ -59,7 +80,9 @@ build/%/all:   $$(dir $$@)debug $$(dir $$@)release ;
 include ./misc/make/Makefile-extra.mk
 
 # developer convenience
-ifneq ($(wildcard /usr/bin/env),) # needs bash, perl, xargs, etc.
+ifneq ($(wildcard /usr/bin/env),) # need Unix utils like bash, perl, sed, xargs, etc.
-check-whitespace clang-format run-testsuite run-testsuite-debug run-testsuite-release: PHONY src/Makefile
+ifneq ($(wildcard ./misc/scripts/.),)
+check-whitespace clang-format run-testsuite run-testsuite-all run-testsuite-debug run-testsuite-release: src/Makefile PHONY
 	$(MAKE) -C src $@
 endif
+endif

NEWS

@@ -2,11 +2,28 @@
 User visible changes for UPX
 ==================================================================
 
+Changes in 4.2.4 (09 May 2024):
+  * bug fixes - see https://github.com/upx/upx/milestone/17
+
+Changes in 4.2.3 (27 Mar 2024):
+  * bug fixes - see https://github.com/upx/upx/milestone/16
+
+Changes in 4.2.2 (03 Jan 2024):
+  * bug fixes - see https://github.com/upx/upx/milestone/15
+
+Changes in 4.2.1 (01 Nov 2023):
+  * linux: /proc/self/exe now is optional
+  * windows: use SetFileTime to preserve sub-second file timestamps
+  * official Windows builds: revert activeCodePage change introduced in 4.2.0
+  * bug fixes - see https://github.com/upx/upx/milestone/14
+
 Changes in 4.2.0 (26 Oct 2023):
   * win32/pe and win64/pe: stricter relocation checks; please report regressions
+  * unix: use utimensat to preserve sub-second file timestamps
   * new option '--link' to preserve hard-links (Unix only; use with care)
   * add support for NO_COLOR env var; see https://no-color.org/
   * disable macOS support until we fix compatibility with macOS 13+
+  * official Windows builds: set activeCodePage to UTF-8
   * bug fixes - see https://github.com/upx/upx/milestone/13
 
 Changes in 4.1.0 (08 Aug 2023):

README

@@ -8,7 +8,7 @@
 
 
                     The Ultimate Packer for eXecutables
-   Copyright (c) 1996-2023 Markus Oberhumer, Laszlo Molnar & John Reiser
+   Copyright (c) 1996-2024 Markus Oberhumer, Laszlo Molnar & John Reiser
                            https://upx.github.io
 
 
@@ -85,9 +85,9 @@ THE FUTURE
 COPYRIGHT
 =========
 
-Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-Copyright (C) 1996-2023 Laszlo Molnar
+Copyright (C) 1996-2024 Laszlo Molnar
-Copyright (C) 2000-2023 John F. Reiser
+Copyright (C) 2000-2024 John F. Reiser
 
 UPX is distributed with full source code under the terms of the
 GNU General Public License v2+; either under the pure GPLv2+ (see

doc/BUGS.txt

@@ -8,7 +8,7 @@
 
 
                     The Ultimate Packer for eXecutables
-   Copyright (c) 1996-2023 Markus Oberhumer, Laszlo Molnar & John Reiser
+   Copyright (c) 1996-2024 Markus Oberhumer, Laszlo Molnar & John Reiser
                            https://upx.github.io
 
 

doc/Makefile

@@ -1,8 +1,9 @@
 #
-# UPX doc Makefile - needs GNU make, pod2html, pod2man and pod2text
+# UPX doc Makefile - needs GNU make, sed, pod2html, pod2man and pod2text
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
 #
 
-BUILT_SOURCES = upx.1 upx-doc.html upx-doc.txt
+BUILT_SOURCES := upx.1 upx-doc.html upx-doc.txt
 
 top_srcdir ?= ..
 
@@ -25,6 +26,10 @@ DETAB2 := sed -e 's/$(tab)/  /g'
 
 .DEFAULT_GOAL = all
 
+.PHONY: PHONY
+.SECONDEXPANSION:
+.SUFFIXES:
+
 all: $(BUILT_SOURCES) PHONY
 
 mostlyclean clean distclean maintainer-clean: PHONY
@@ -34,12 +39,13 @@ mostlyclean clean distclean maintainer-clean: PHONY
 # rules
 #***********************************************************************
 
-.SUFFIXES:
 .SUFFIXES: .1 .html .man .pod .ps .tex .txt
 
 %.1 : %.pod
 	pod2man --center=" " --release="$(PACKAGE) $(VERSION)" --date="$(VERSION_DATE)" $< | $(RTRIM) > $@
 	test -s $@
+#	# strip version number from "Pod::Man" comment
+	sed -i -e 's/^\(\.\\" Automatically generated by Pod::Man\).*/\1/' $@
 
 %-doc.html : %.pod
 	pod2html --noindex $< | $(RTRIM) | $(DETAB2) > $@
@@ -68,4 +74,3 @@ mostlyclean clean distclean maintainer-clean: PHONY
 
 $(BUILT_SOURCES): $(top_srcdir)/src/version.h $(MAKEFILE_LIST)
 .DELETE_ON_ERROR: $(BUILT_SOURCES)
-.PHONY: PHONY

doc/THANKS.txt

@@ -8,7 +8,7 @@
 
 
                     The Ultimate Packer for eXecutables
-   Copyright (c) 1996-2023 Markus Oberhumer, Laszlo Molnar & John Reiser
+   Copyright (c) 1996-2024 Markus Oberhumer, Laszlo Molnar & John Reiser
                            https://upx.github.io
 
 
@@ -37,6 +37,8 @@ Charles W. Sandmann <sandmann@clio.rice.edu>
   for the idea with the stubless decompressor in djgpp2/coff
 Ice
   for debugging the PE headersize problem down
+Jens Medoch <jssg@users.sourceforge.net>
+  for the ps1/exe format
 Joergen Ibsen <jibz@hotmail.com> and d'b
   for the relocation & address optimization ideas
 John S. Fine <johnfine@erols.com>

doc/elf-to-mem.txt

@@ -1,5 +1,5 @@
            Decompressing ELF Directly to Memory on Linux/x86
-        Copyright (C) 2000-2023 John F. Reiser  jreiser@BitWagon.com
+        Copyright (C) 2000-2024 John F. Reiser  jreiser@BitWagon.com
 
 References:
   <elf.h>   definitions for the ELF file format
@@ -15,7 +15,7 @@ the value that is manipulated by system call 45 (__NR_brk in
 there will be no execve() except for the execve() of the decompressor
 program itself.  So, the decompressor program (which contains the
 compressed version of the original executable) must have the same
-brk() as the original executable.  So, the second PT_LOAD
+brk() as the original executable.  So, the first PT_LOAD
 ELF "segment" of the compressed program is used only to set the brk(0).
 See src/p_lx_elf.cpp, function PackLinuxElf32::generateElfHdr.
 All of the decompressor's code, and all of the compressed image
@@ -25,35 +25,27 @@ decompressor program.
 The decompressor program stub is just under 2K bytes when linked.
 After linking, the decompressor code is converted to an initialized
 array, and #included into the compilation of the compressor;
-see src/stub/l_le_n2b.h.  To make self-contained compressed
+see stub/i386-linux.elf-entry.h.  To make self-contained compressed
 executables even smaller, the compressor also compresses all but the
 startup and decompression subroutine of the decompressor itself,
 saving a few hundred bytes.  The startup code first decompresses the
 rest of the decompressor, then jumps to it.  A nonstandard linker
-script src/stub/l_lx_elf86.lds places both the .text and .data
+script src/stub/src/i386-linux.elf-entry.lds arranges the SECTIONS
-of the decompressor into the same PT_LOAD at 0x00401000.  The
+so that PackLinuxElf32x86::buildLoader() and buildLinuxLoader()
-compressor includes the compressed bytes of the original executable
+generate the desired stub code, which goes into PT_LOAD[1].
-at the end of this first PT_LOAD.
 
-At runtime, the decompressed stub lives at 0x00400000.  In order for the
+At runtime, the decompressed stub lives close beyond the brk().
-decompressed stub to work properly at an address that is different
+In order for the decompressed stub to work properly at an address
-from its link-time address, the compiled code must contain no absolute
+that is different from its link-time address, the compiled code must
-addresses.  So, the data items in l_lx_elf.c must be only parameters
+contain no absolute addresses.  So, the data items in stub code
-and automatic (on-stack) local variables; no global data, no static data,
+must be only parameters and automatic (on-stack) local variables;
-and no string constants.  Use "size l_le_n2b.o l_6e_n2b.o" to check
+no global data, no static data, and no string constants.  Also,
-that both data and bss have length zero.  Also, the '&' operator
+the '&' operator may not be used to take the address of a function.
-may not be used to take the address of a function.
-
-The address  0x00400000 was chosen to be out of the way of the usual
-load address 0x08048000, and to minimize fragmentation in kernel
-page tables; one page of page tables covers 4 MiB. The address
-0x00401000 was chosen as 1 page up from a 64 KiB boundary, to
-make the startup code and its constants smaller.
 
 Decompression of the executable begins by decompressing the Elf32_Ehdr
-and Elf32_Phdr, and then uses the Ehdr and Phdrs to control decompression
+and Elf32_Phdr, and then uses those Ehdr and Phdrs to control decompression
-of the PT_LOAD segments.
+of the PT_LOAD segments.  Subroutine do_xmap() of src/stub/src/
-Subroutine do_xmap() of src/stub/l_lx_elf.c performs the
+i386-linux.elf-main.c performs the
 "virtual execve()" using the compressed data as source, and stores
 the decompressed bytes directly into the appropriate virtual addresses.
 
@@ -74,22 +66,17 @@ expanding $ORIGIN in -rpath, or for application code that relies on
 --unmap-all-pages to achieve that effect at run time.  Upx-3.04
 and previous versions did this by default with no option.  However,
 too much other software erroneously assumes that /proc/self/exe
-always exists.
+always exists.  upx-4.3.0 made /proc/self/exe optional so that
+chroot() and related environments can work.
+For Elf formats, UPX adds an environment variable named "   " [three
+spaces] which saves the results of readlink("/proc/self/exe",,)
+If /proc/self/exe is ENOENT, then the variable has the same value
+as its name "/proc/self/exe".
 
-On arm*-linux-elf there is no good address at which to retain one
+All of the above documentation refers to ET_EXEC main programs,
-page of the compressed executable.  Pages below the usual .p_vaddr
+which always use the same virtual addresses.  An ET_DYN executable
-0x8000 (32KiB) are rejected by the kernel.  Using a page above the
+(main program or shared library) follows much the same scheme,
-original uncompressed brk(0) would require placing the entire initial
+re-using the address space that the kernel chose originally.
-compressed program above uncompressed brk(0), which would significantly
-increase the running brk(0); but too many programs break if brk(0)
-moves.  Thus on arm*-linux-elf the compressed executable begins
-with 0x8000==.p_vaddr, all pages mapped by execve() that are also
-occupied by decompressed bytes are removed before overwriting, and
-/proc/self/exe becomes a "(deleted)" symlink.  It might be possible
-to preserve /proc/self/exe if the original uncompressed executable
-were created with 0x9000==.p_vaddr (one page higher than the usual
-0x8000) so that the compressed page mapped at 0x8000 would linger.
-[This has not been tested.]
 
 Linux stores the pathname argument that was specified to execve()
 immediately after the '\0' which terminates the character string of the
@@ -99,9 +86,24 @@ records a pointer to that character string in Elf32_auxv[AT_EXECFN].
 The pathname is not "bound" to the file as strongly as /proc/self/exe
 (the file may be changed without affecting the pathname), but the
 pathname does provide some information.  The pathname may be relative
-to the working directory, so look before any chdir().
+to the working directory, so look before performing any chdir().
 
-The Elf formats for Linux add an environment variable named "   " [three
+On any page, then SELinux in strictest enforcing mode prohibits
-spaces] which saves the results of readlink("/proc/self/exe",,) before
+simultaneous PROT_EXEC and PROT_WRITE, and also prohibits adding
-the runtime stub unmaps all its pages.  As of 2006-10-03 this works
+PROT_EXEC if the kernel VMA struct (Virtual Memory Area struct)
-for linux/elf386 and linux/ElfAMD.
+that manages that page ever has had PROT_WRITE.  This implies that
+the only way to get PROT_EXEC is to map the page directly from a file.
+Therefore, in late 2023 the various decompression stubs are being
+rewritten to "bounce" the decompressed data through pages in a
+memory-resident file created by the memfd_create() system call,
+and subsequently mapped PROT_EXEC.  Actual copying of the pages
+can be avoided by careful sequence mmap() modes, but the overhead
+of an additional system call is required.
+
+The not-as-strict "targeted enforcing" mode of
+SELinux seems not to demand this extra work, except for executables
+that run with elevated privileges, such as various system daemons.
+So "ordinary" user-mode apps can run in current "targeted enforcing"
+mode.  But because the actual runtime mode of SELinux is unknown
+at compression time, then the memfd_create method should be used
+all the time.

doc/upx-doc.html

@@ -22,7 +22,7 @@
 <h1 id="ABSTRACT">ABSTRACT</h1>
 
 <pre><code>                 The Ultimate Packer for eXecutables
-Copyright (c) 1996-2023 Markus Oberhumer, Laszlo Molnar &amp; John Reiser
+Copyright (c) 1996-2024 Markus Oberhumer, Laszlo Molnar &amp; John Reiser
                         https://upx.github.io</code></pre>
 
 <p><b>UPX</b> is a portable, extendable, high-performance executable packer for several different executable formats. It achieves an excellent compression ratio and offers <i>*very*</i> fast decompression. Your executables suffer no memory overhead or other drawbacks for most of the formats supported, because of in-place decompression.</p>
@@ -779,19 +779,15 @@ http://www.oberhumer.com
 
 Laszlo Molnar &lt;ezerotven+github@gmail.com&gt;
 
-John F. Reiser &lt;jreiser@BitWagon.com&gt;
+John F. Reiser &lt;jreiser@BitWagon.com&gt;</code></pre>
-
-Jens Medoch &lt;jssg@users.sourceforge.net&gt;</code></pre>
 
 <h1 id="COPYRIGHT">COPYRIGHT</h1>
 
-<p>Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer</p>
+<p>Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer</p>
 
-<p>Copyright (C) 1996-2023 Laszlo Molnar</p>
+<p>Copyright (C) 1996-2024 Laszlo Molnar</p>
 
-<p>Copyright (C) 2000-2023 John F. Reiser</p>
+<p>Copyright (C) 2000-2024 John F. Reiser</p>
-
-<p>Copyright (C) 2002-2023 Jens Medoch</p>
 
 <p><b>UPX</b> is distributed with full source code under the terms of the GNU General Public License v2+; either under the pure GPLv2+ (see the file COPYING), or (at your option) under the GPLv+2 with special exceptions and restrictions granting the free usage for all binaries including commercial programs (see the file LICENSE).</p>
 

doc/upx-doc.txt

@@ -6,7 +6,7 @@ SYNOPSIS
 
 ABSTRACT
                         The Ultimate Packer for eXecutables
-       Copyright (c) 1996-2023 Markus Oberhumer, Laszlo Molnar & John Reiser
+       Copyright (c) 1996-2024 Markus Oberhumer, Laszlo Molnar & John Reiser
                                https://upx.github.io
 
     UPX is a portable, extendable, high-performance executable packer for
@@ -815,16 +815,12 @@ AUTHORS
 
      John F. Reiser <jreiser@BitWagon.com>
 
-     Jens Medoch <jssg@users.sourceforge.net>
-
 COPYRIGHT
-    Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+    Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
 
-    Copyright (C) 1996-2023 Laszlo Molnar
+    Copyright (C) 1996-2024 Laszlo Molnar
 
-    Copyright (C) 2000-2023 John F. Reiser
+    Copyright (C) 2000-2024 John F. Reiser
-
-    Copyright (C) 2002-2023 Jens Medoch
 
     UPX is distributed with full source code under the terms of the GNU
     General Public License v2+; either under the pure GPLv2+ (see the file

doc/upx.1

@@ -1,4 +1,5 @@
-.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.42)
+.\" -*- mode: troff; coding: utf-8 -*-
+.\" Automatically generated by Pod::Man
 .\"
 .\" Standard preamble:
 .\" ========================================================================
@@ -15,29 +16,12 @@
 .ft R
 .fi
 ..
-.\" Set up some character translations and predefined strings.  \*(-- will
+.\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>.
-.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
-.\" double quote, and \*(R" will give a right double quote.  \*(C+ will
-.\" give a nicer C++.  Capital omega is used to do unbreakable dashes and
-.\" therefore won't be available.  \*(C` and \*(C' expand to `' in nroff,
-.\" nothing in troff, for use with C<>.
-.tr \(*W-
-.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
 .ie n \{\
-.    ds -- \(*W-
-.    ds PI pi
-.    if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
-.    if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\"  diablo 12 pitch
-.    ds L" ""
-.    ds R" ""
 .    ds C` ""
 .    ds C' ""
 'br\}
 .el\{\
-.    ds -- \|\(em\|
-.    ds PI \(*p
-.    ds L" ``
-.    ds R" ''
 .    ds C`
 .    ds C'
 'br\}
@@ -68,110 +52,48 @@
 .    \}
 .\}
 .rr rF
-.\"
-.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
-.\" Fear.  Run.  Save yourself.  No user-serviceable parts.
-.    \" fudge factors for nroff and troff
-.if n \{\
-.    ds #H 0
-.    ds #V .8m
-.    ds #F .3m
-.    ds #[ \f1
-.    ds #] \fP
-.\}
-.if t \{\
-.    ds #H ((1u-(\\\\n(.fu%2u))*.13m)
-.    ds #V .6m
-.    ds #F 0
-.    ds #[ \&
-.    ds #] \&
-.\}
-.    \" simple accents for nroff and troff
-.if n \{\
-.    ds ' \&
-.    ds ` \&
-.    ds ^ \&
-.    ds , \&
-.    ds ~ ~
-.    ds /
-.\}
-.if t \{\
-.    ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u"
-.    ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u'
-.    ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u'
-.    ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u'
-.    ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u'
-.    ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u'
-.\}
-.    \" troff and (daisy-wheel) nroff accents
-.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V'
-.ds 8 \h'\*(#H'\(*b\h'-\*(#H'
-.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#]
-.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H'
-.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u'
-.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#]
-.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#]
-.ds ae a\h'-(\w'a'u*4/10)'e
-.ds Ae A\h'-(\w'A'u*4/10)'E
-.    \" corrections for vroff
-.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u'
-.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u'
-.    \" for low resolution devices (crt and lpr)
-.if \n(.H>23 .if \n(.V>19 \
-\{\
-.    ds : e
-.    ds 8 ss
-.    ds o a
-.    ds d- d\h'-1'\(ga
-.    ds D- D\h'-1'\(hy
-.    ds th \o'bp'
-.    ds Th \o'LP'
-.    ds ae ae
-.    ds Ae AE
-.\}
-.rm #[ #] #H #V #F C
 .\" ========================================================================
 .\"
 .IX Title "UPX 1"
-.TH UPX 1 "2023-10-26" "upx 4.2.0" " "
+.TH UPX 1 2024-05-09 "upx 4.2.4" " "
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
 .nh
-.SH "NAME"
+.SH NAME
 upx \- compress or expand executable files
-.SH "SYNOPSIS"
+.SH SYNOPSIS
 .IX Header "SYNOPSIS"
 \&\fBupx\fR [\ \fIcommand\fR\ ] [\ \fIoptions\fR\ ] \fIfilename\fR...
-.SH "ABSTRACT"
+.SH ABSTRACT
 .IX Header "ABSTRACT"
 .Vb 3
 \&                    The Ultimate Packer for eXecutables
-\&   Copyright (c) 1996\-2023 Markus Oberhumer, Laszlo Molnar & John Reiser
+\&   Copyright (c) 1996\-2024 Markus Oberhumer, Laszlo Molnar & John Reiser
 \&                           https://upx.github.io
 .Ve
 .PP
-\&\fB\s-1UPX\s0\fR is a portable, extendable, high-performance executable packer for
+\&\fBUPX\fR is a portable, extendable, high-performance executable packer for
 several different executable formats. It achieves an excellent compression
 ratio and offers \fI*very*\fR fast decompression. Your executables suffer
 no memory overhead or other drawbacks for most of the formats supported,
 because of in-place decompression.
-.SH "DISCLAIMER"
+.SH DISCLAIMER
 .IX Header "DISCLAIMER"
-\&\fB\s-1UPX\s0\fR comes with \s-1ABSOLUTELY NO WARRANTY\s0; for details see the file \s-1COPYING.\s0
+\&\fBUPX\fR comes with ABSOLUTELY NO WARRANTY; for details see the file COPYING.
 .PP
 Please report all problems or suggestions to the authors. Thanks.
 .SH "SECURITY CONTEXT"
 .IX Header "SECURITY CONTEXT"
-\&\s-1IMPORTANT NOTE:\s0 \fB\s-1UPX\s0\fR inherits the security context of any files it handles.
+IMPORTANT NOTE: \fBUPX\fR inherits the security context of any files it handles.
 .PP
 This means that packing, unpacking, or even testing or listing a file requires
 the same security considerations as actually executing the file.
 .PP
-Use \fB\s-1UPX\s0\fR on trusted files only!
+Use \fBUPX\fR on trusted files only!
-.SH "DESCRIPTION"
+.SH DESCRIPTION
 .IX Header "DESCRIPTION"
-\&\fB\s-1UPX\s0\fR is a versatile executable packer with the following features:
+\&\fBUPX\fR is a versatile executable packer with the following features:
 .PP
 .Vb 3
 \&  \- secure: as UPX is documented Open Source since many years any relevant
@@ -204,32 +126,32 @@ Use \fB\s-1UPX\s0\fR on trusted files only!
 \&      for commercial programs
 .Ve
 .PP
-You probably understand now why we call \fB\s-1UPX\s0\fR the "\fIultimate\fR"
+You probably understand now why we call \fBUPX\fR the "\fIultimate\fR"
 executable packer.
-.SH "COMMANDS"
+.SH COMMANDS
 .IX Header "COMMANDS"
-.SS "Compress"
+.SS Compress
 .IX Subsection "Compress"
 This is the default operation, eg. \fBupx yourfile.exe\fR will compress the file
 specified on the command line.
-.SS "Decompress"
+.SS Decompress
 .IX Subsection "Decompress"
-All \fB\s-1UPX\s0\fR supported file formats can be unpacked using the \fB\-d\fR switch, eg.
+All \fBUPX\fR supported file formats can be unpacked using the \fB\-d\fR switch, eg.
 \&\fBupx \-d yourfile.exe\fR will uncompress the file you've just compressed.
-.SS "Test"
+.SS Test
 .IX Subsection "Test"
 The \fB\-t\fR command tests the integrity of the compressed and uncompressed
 data, eg. \fBupx \-t yourfile.exe\fR check whether your file can be safely
 decompressed. Note, that this command doesn't check the whole file, only
 the part that will be uncompressed during program execution. This means
 that you should not use this command instead of a virus checker.
-.SS "List"
+.SS List
 .IX Subsection "List"
 The \fB\-l\fR command prints out some information about the compressed files
 specified on the command line as parameters, eg \fBupx \-l yourfile.exe\fR
 shows the compressed / uncompressed size and the compression ratio of
 \&\fIyourfile.exe\fR.
-.SH "OPTIONS"
+.SH OPTIONS
 .IX Header "OPTIONS"
 \&\fB\-q\fR: be quiet, suppress warnings
 .PP
@@ -239,10 +161,10 @@ shows the compressed / uncompressed size and the compression ratio of
 .PP
 \&\fB\-\-help\fR: prints the help
 .PP
-\&\fB\-\-version\fR: print the version of \fB\s-1UPX\s0\fR
+\&\fB\-\-version\fR: print the version of \fBUPX\fR
 .PP
 \&\fB\-\-exact\fR: when compressing, require to be able to get a byte-identical file
-after decompression with option \fB\-d\fR. [\s-1NOTE:\s0 this is work in progress and is
+after decompression with option \fB\-d\fR. [NOTE: this is work in progress and is
 not supported for all formats yet. If you do care, as a workaround you can
 compress and then decompress your program a first time \- any further
 compress-decompress steps should then yield byte-identical results
@@ -255,16 +177,16 @@ as compared to the first decompressed version.]
 [ ...more docs need to be written... \- type `\fBupx \-\-help\fR' for now ]
 .SH "COMPRESSION LEVELS & TUNING"
 .IX Header "COMPRESSION LEVELS & TUNING"
-\&\fB\s-1UPX\s0\fR offers ten different compression levels from \fB\-1\fR to \fB\-9\fR,
+\&\fBUPX\fR offers ten different compression levels from \fB\-1\fR to \fB\-9\fR,
 and \fB\-\-best\fR.  The default compression level is \fB\-8\fR for files
 smaller than 512 KiB, and \fB\-7\fR otherwise.
-.IP "\(bu" 4
+.IP \(bu 4
 Compression levels 1, 2 and 3 are pretty fast.
-.IP "\(bu" 4
+.IP \(bu 4
 Compression levels 4, 5 and 6 achieve a good time/ratio performance.
-.IP "\(bu" 4
+.IP \(bu 4
 Compression levels 7, 8 and 9 favor compression ratio over speed.
-.IP "\(bu" 4
+.IP \(bu 4
 Compression level \fB\-\-best\fR may take a long time.
 .PP
 Note that compression level \fB\-\-best\fR can be somewhat slow for large
@@ -272,28 +194,28 @@ files, but you definitely should use it when releasing a final version
 of your program.
 .PP
 Quick info for achieving the best compression ratio:
-.IP "\(bu" 4
+.IP \(bu 4
 Try \fBupx \-\-brute \-\-no\-lzma myfile.exe\fR or even
 \&\fBupx \-\-ultra\-brute \-\-no\-lzma myfile.exe\fR.
-.IP "\(bu" 4
+.IP \(bu 4
-The option \fB\-\-lzma\fR enables \s-1LZMA\s0 compression, which compresses better but
+The option \fB\-\-lzma\fR enables LZMA compression, which compresses better but
 is *significantly slower* at decompression. You probably do not want
 to use it for large files.
 .Sp
 (Note that \fB\-\-lzma\fR is automatically enabled by \fB\-\-all\-methods\fR and
 \&\fB\-\-brute\fR, use \fB\-\-no\-lzma\fR to override.)
-.IP "\(bu" 4
+.IP \(bu 4
 Try if \fB\-\-overlay=strip\fR works.
-.IP "\(bu" 4
+.IP \(bu 4
 For win32/pe programs there's \fB\-\-strip\-relocs=0\fR. See notes below.
 .SH "OVERLAY HANDLING OPTIONS"
 .IX Header "OVERLAY HANDLING OPTIONS"
-Info: An \*(L"overlay\*(R" means auxiliary data attached after the logical end of
+Info: An "overlay" means auxiliary data attached after the logical end of
 an executable, and it often contains application specific data
 (this is a common practice to avoid an extra data file, though
 it would be better to use resource sections).
 .PP
-\&\fB\s-1UPX\s0\fR handles overlays like many other executable packers do: it simply
+\&\fBUPX\fR handles overlays like many other executable packers do: it simply
 copies the overlay after the compressed image. This works with some
 files, but doesn't work with others, depending on how an application
 actually accesses this overlaid data.
@@ -309,8 +231,8 @@ actually accesses this overlaid data.
 .Ve
 .SH "ENVIRONMENT VARIABLE"
 .IX Header "ENVIRONMENT VARIABLE"
-The environment variable \fB\s-1UPX\s0\fR can hold a set of default
+The environment variable \fBUPX\fR can hold a set of default
-options for \fB\s-1UPX\s0\fR. These options are interpreted first and
+options for \fBUPX\fR. These options are interpreted first and
 can be overwritten by explicit command line parameters.
 For example:
 .PP
@@ -321,18 +243,18 @@ For example:
 .Ve
 .PP
 Under DOS/Windows you must use '#' instead of '=' when setting the
-environment variable because of a \s-1COMMAND.COM\s0 limitation.
+environment variable because of a COMMAND.COM limitation.
 .PP
 Not all of the options are valid in the environment variable \-
-\&\fB\s-1UPX\s0\fR will tell you.
+\&\fBUPX\fR will tell you.
 .PP
 You can explicitly use the \fB\-\-no\-env\fR option to ignore the
 environment variable.
 .SH "NOTES FOR THE SUPPORTED EXECUTABLE FORMATS"
 .IX Header "NOTES FOR THE SUPPORTED EXECUTABLE FORMATS"
-.SS "\s-1NOTES FOR ATARI/TOS\s0"
+.SS "NOTES FOR ATARI/TOS"
 .IX Subsection "NOTES FOR ATARI/TOS"
-This is the executable format used by the Atari \s-1ST/TT,\s0 a Motorola 68000
+This is the executable format used by the Atari ST/TT, a Motorola 68000
 based personal computer which was popular in the late '80s. Support
 of this format is only because of nostalgic feelings of one of
 the authors and serves no practical purpose :\-).
@@ -349,12 +271,12 @@ Extra options available for this executable format:
 \&                      the compression ratio in some cases, but usually
 \&                      the default method gives the best results anyway.
 .Ve
-.SS "\s-1NOTES FOR BVMLINUZ/I386\s0"
+.SS "NOTES FOR BVMLINUZ/I386"
 .IX Subsection "NOTES FOR BVMLINUZ/I386"
 Same as vmlinuz/i386.
-.SS "\s-1NOTES FOR DOS/COM\s0"
+.SS "NOTES FOR DOS/COM"
 .IX Subsection "NOTES FOR DOS/COM"
-Obviously \fB\s-1UPX\s0\fR won't work with executables that want to read data from
+Obviously \fBUPX\fR won't work with executables that want to read data from
 themselves (like some commandline utilities that ship with Win95/98/ME).
 .PP
 Compressed programs only work on a 286+.
@@ -378,11 +300,11 @@ Extra options available for this executable format:
 \&                      the compression ratio in some cases, but usually
 \&                      the default filter gives the best results anyway.
 .Ve
-.SS "\s-1NOTES FOR DOS/EXE\s0"
+.SS "NOTES FOR DOS/EXE"
 .IX Subsection "NOTES FOR DOS/EXE"
-dos/exe stands for all \*(L"normal\*(R" 16\-bit \s-1DOS\s0 executables.
+dos/exe stands for all "normal" 16\-bit DOS executables.
 .PP
-Obviously \fB\s-1UPX\s0\fR won't work with executables that want to read data from
+Obviously \fBUPX\fR won't work with executables that want to read data from
 themselves (like some command line utilities that ship with Win95/98/ME).
 .PP
 Compressed programs only work on a 286+.
@@ -399,7 +321,7 @@ Extra options available for this executable format:
 \&                      the compression ratio in some cases, but usually
 \&                      the default method gives the best results anyway.
 .Ve
-.SS "\s-1NOTES FOR DOS/SYS\s0"
+.SS "NOTES FOR DOS/SYS"
 .IX Subsection "NOTES FOR DOS/SYS"
 Compressed programs only work on a 286+.
 .PP
@@ -422,20 +344,20 @@ Extra options available for this executable format:
 \&                      the compression ratio in some cases, but usually
 \&                      the default filter gives the best results anyway.
 .Ve
-.SS "\s-1NOTES FOR DJGPP2/COFF\s0"
+.SS "NOTES FOR DJGPP2/COFF"
 .IX Subsection "NOTES FOR DJGPP2/COFF"
-First of all, it is recommended to use \fB\s-1UPX\s0\fR *instead* of \fBstrip\fR. strip has
+First of all, it is recommended to use \fBUPX\fR *instead* of \fBstrip\fR. strip has
 the very bad habit of replacing your stub with its own (outdated) version.
-Additionally \fB\s-1UPX\s0\fR corrects a bug/feature in strip v2.8.x: it
+Additionally \fBUPX\fR corrects a bug/feature in strip v2.8.x: it
 will fix the 4 KiB alignment of the stub.
 .PP
-\&\fB\s-1UPX\s0\fR includes the full functionality of stubify. This means it will
+\&\fBUPX\fR includes the full functionality of stubify. This means it will
-automatically stubify your \s-1COFF\s0 files. Use the option \fB\-\-coff\fR to
+automatically stubify your COFF files. Use the option \fB\-\-coff\fR to
 disable this functionality (see below).
 .PP
-\&\fB\s-1UPX\s0\fR automatically handles Allegro packfiles.
+\&\fBUPX\fR automatically handles Allegro packfiles.
 .PP
-The \s-1DLM\s0 format (a rather exotic shared library extension) is not supported.
+The DLM format (a rather exotic shared library extension) is not supported.
 .PP
 Packed programs will be byte-identical to the original after uncompression.
 All debug information and trailing garbage will be stripped, though.
@@ -456,7 +378,7 @@ Extra options available for this executable format:
 \&                      the compression ratio in some cases, but usually
 \&                      the default filter gives the best results anyway.
 .Ve
-.SS "\s-1NOTES FOR LINUX\s0 [general]"
+.SS "NOTES FOR LINUX [general]"
 .IX Subsection "NOTES FOR LINUX [general]"
 Introduction
 .PP
@@ -593,15 +515,15 @@ General notes:
 \&    been modified after compression.
 \&    Running \`strace \-o strace.log compressed_file\*(Aq will tell you more.
 .Ve
-.SS "\s-1NOTES FOR LINUX/ELF386\s0"
+.SS "NOTES FOR LINUX/ELF386"
 .IX Subsection "NOTES FOR LINUX/ELF386"
 Please read the general Linux description first.
 .PP
-The linux/elf386 format decompresses directly into \s-1RAM,\s0
+The linux/elf386 format decompresses directly into RAM,
 uses only one exec, does not use space in /tmp,
 and does not use /proc.
 .PP
-Linux/elf386 is automatically selected for Linux \s-1ELF\s0 executables.
+Linux/elf386 is automatically selected for Linux ELF executables.
 .PP
 Packed programs will be byte-identical to the original after uncompression.
 .PP
@@ -641,12 +563,12 @@ Extra options available for this executable format:
 .Vb 1
 \&  (none)
 .Ve
-.SS "\s-1NOTES FOR LINUX/SH386\s0"
+.SS "NOTES FOR LINUX/SH386"
 .IX Subsection "NOTES FOR LINUX/SH386"
 Please read the general Linux description first.
 .PP
 Shell scripts where the underling shell accepts a ``\-c'' argument
-can use the Linux/sh386 format.  \fB\s-1UPX\s0\fR decompresses the shell script
+can use the Linux/sh386 format.  \fBUPX\fR decompresses the shell script
 into low memory, then maps the shell and passes the entire text of the
 script as an argument with a leading ``\-c''.
 It does not use space in /tmp, and does not use /proc.
@@ -691,7 +613,7 @@ Extra options available for this executable format:
 .Vb 1
 \&  (none)
 .Ve
-.SS "\s-1NOTES FOR LINUX/386\s0"
+.SS "NOTES FOR LINUX/386"
 .IX Subsection "NOTES FOR LINUX/386"
 Please read the general Linux description first.
 .PP
@@ -764,10 +686,10 @@ Extra options available for this executable format:
 \&                      format, i.e. do not try the linux/elf386 and
 \&                      linux/sh386 formats.
 .Ve
-.SS "\s-1NOTES FOR PS1/EXE\s0"
+.SS "NOTES FOR PS1/EXE"
 .IX Subsection "NOTES FOR PS1/EXE"
 This is the executable format used by the Sony PlayStation (PSone),
-a \s-1MIPS R3000\s0 based gaming console which is popular since the late '90s.
+a MIPS R3000 based gaming console which is popular since the late '90s.
 Support of this format is very similar to the Atari one, because of
 nostalgic feelings of one of the authors.
 .PP
@@ -816,12 +738,12 @@ Extra options available for this executable format:
 \&                      but the compressed executable will not boot from a CD.
 \&                      Use it for console transfer only !
 .Ve
-.SS "\s-1NOTES FOR RTM32/PE\s0 and \s-1ARM/PE\s0"
+.SS "NOTES FOR RTM32/PE and ARM/PE"
 .IX Subsection "NOTES FOR RTM32/PE and ARM/PE"
 Same as win32/pe.
-.SS "\s-1NOTES FOR TMT/ADAM\s0"
+.SS "NOTES FOR TMT/ADAM"
 .IX Subsection "NOTES FOR TMT/ADAM"
-This format is used by the \s-1TMT\s0 Pascal compiler \- see http://www.tmt.com/ .
+This format is used by the TMT Pascal compiler \- see http://www.tmt.com/ .
 .PP
 Extra options available for this executable format:
 .PP
@@ -836,11 +758,11 @@ Extra options available for this executable format:
 \&                      the compression ratio in some cases, but usually
 \&                      the default filter gives the best results anyway.
 .Ve
-.SS "\s-1NOTES FOR VMLINUZ/386\s0"
+.SS "NOTES FOR VMLINUZ/386"
 .IX Subsection "NOTES FOR VMLINUZ/386"
 The vmlinuz/386 and bvmlinuz/386 formats take a gzip-compressed
-bootable Linux kernel image (\*(L"vmlinuz\*(R", \*(L"zImage\*(R", \*(L"bzImage\*(R"),
+bootable Linux kernel image ("vmlinuz", "zImage", "bzImage"),
-gzip-decompress it and re-compress it with the \fB\s-1UPX\s0\fR compression method.
+gzip-decompress it and re-compress it with the \fBUPX\fR compression method.
 .PP
 vmlinuz/386 is completely unrelated to the other Linux executable
 formats, and it does not share any of their drawbacks.
@@ -889,14 +811,14 @@ Extra options available for this executable format:
 \&                      the compression ratio in some cases, but usually
 \&                      the default filter gives the best results anyway.
 .Ve
-.SS "\s-1NOTES FOR WATCOM/LE\s0"
+.SS "NOTES FOR WATCOM/LE"
 .IX Subsection "NOTES FOR WATCOM/LE"
-\&\fB\s-1UPX\s0\fR has been successfully tested with the following extenders:
+\&\fBUPX\fR has been successfully tested with the following extenders:
-  \s-1DOS4G, DOS4GW, PMODE/W,\s0 DOS32a, CauseWay.
+  DOS4G, DOS4GW, PMODE/W, DOS32a, CauseWay.
-  The \s-1WDOS/X\s0 extender is partly supported (for details
+  The WDOS/X extender is partly supported (for details
-  see the file bugs \s-1BUGS\s0).
+  see the file bugs BUGS).
 .PP
-DLLs and the \s-1LX\s0 format are not supported.
+DLLs and the LX format are not supported.
 .PP
 Extra options available for this executable format:
 .PP
@@ -904,12 +826,12 @@ Extra options available for this executable format:
 \&  \-\-le                Produce an unbound LE output instead of
 \&                      keeping the current stub.
 .Ve
-.SS "\s-1NOTES FOR WIN32/PE\s0"
+.SS "NOTES FOR WIN32/PE"
 .IX Subsection "NOTES FOR WIN32/PE"
-The \s-1PE\s0 support in \fB\s-1UPX\s0\fR is quite stable now, but probably there are
+The PE support in \fBUPX\fR is quite stable now, but probably there are
 still some incompatibilities with some files.
 .PP
-Because of the way \fB\s-1UPX\s0\fR (and other packers for this format) works, you
+Because of the way \fBUPX\fR (and other packers for this format) works, you
 can see increased memory usage of your compressed files because the whole
 program is loaded into memory at startup.
 If you start several instances of huge compressed programs you're
@@ -922,17 +844,17 @@ smaller, but it's still there.
 If you're running executables from network, then compressed programs
 will load faster, and require less bandwidth during execution.
 .PP
-DLLs are supported. But \s-1UPX\s0 compressed DLLs can not share common data and
+DLLs are supported. But UPX compressed DLLs can not share common data and
 code when they got used by multiple applications. So compressing msvcrt.dll
 is a waste of memory, but compressing the dll plugins of a particular
 application may be a better idea.
 .PP
 Screensavers are supported, with the restriction that the filename
-must end with \*(L".scr\*(R" (as screensavers are handled slightly different
+must end with ".scr" (as screensavers are handled slightly different
 than normal exe files).
 .PP
-\&\s-1UPX\s0 compressed \s-1PE\s0 files have some minor memory overhead (usually in the
+UPX compressed PE files have some minor memory overhead (usually in the
-10 \- 30 KiB range) which can be seen by specifying the \*(L"\-i\*(R" command
+10 \- 30 KiB range) which can be seen by specifying the "\-i" command
 line switch during compression.
 .PP
 Extra options available for this executable format:
@@ -996,16 +918,16 @@ Extra options available for this executable format:
 \&                      the compression ratio in some cases, but usually
 \&                      the default filter gives the best results anyway.
 .Ve
-.SH "DIAGNOSTICS"
+.SH DIAGNOSTICS
 .IX Header "DIAGNOSTICS"
 Exit status is normally 0; if an error occurs, exit status
 is 1. If a warning occurs, exit status is 2.
 .PP
-\&\fB\s-1UPX\s0\fR's diagnostics are intended to be self-explanatory.
+\&\fBUPX\fR's diagnostics are intended to be self-explanatory.
-.SH "BUGS"
+.SH BUGS
 .IX Header "BUGS"
 Please report all bugs immediately to the authors.
-.SH "AUTHORS"
+.SH AUTHORS
 .IX Header "AUTHORS"
 .Vb 2
 \& Markus F.X.J. Oberhumer <markus@oberhumer.com>
@@ -1014,29 +936,25 @@ Please report all bugs immediately to the authors.
 \& Laszlo Molnar <ezerotven+github@gmail.com>
 \&
 \& John F. Reiser <jreiser@BitWagon.com>
-\&
-\& Jens Medoch <jssg@users.sourceforge.net>
 .Ve
-.SH "COPYRIGHT"
+.SH COPYRIGHT
 .IX Header "COPYRIGHT"
-Copyright (C) 1996\-2023 Markus Franz Xaver Johannes Oberhumer
+Copyright (C) 1996\-2024 Markus Franz Xaver Johannes Oberhumer
 .PP
-Copyright (C) 1996\-2023 Laszlo Molnar
+Copyright (C) 1996\-2024 Laszlo Molnar
 .PP
-Copyright (C) 2000\-2023 John F. Reiser
+Copyright (C) 2000\-2024 John F. Reiser
 .PP
-Copyright (C) 2002\-2023 Jens Medoch
+\&\fBUPX\fR is distributed with full source code under the terms of the
-.PP
+GNU General Public License v2+; either under the pure GPLv2+ (see
-\&\fB\s-1UPX\s0\fR is distributed with full source code under the terms of the
+the file COPYING), or (at your option) under the GPLv+2 with special
-\&\s-1GNU\s0 General Public License v2+; either under the pure GPLv2+ (see
-the file \s-1COPYING\s0), or (at your option) under the GPLv+2 with special
 exceptions and restrictions granting the free usage for all binaries
-including commercial programs (see the file \s-1LICENSE\s0).
+including commercial programs (see the file LICENSE).
 .PP
 This program is distributed in the hope that it will be useful,
-but \s-1WITHOUT ANY WARRANTY\s0; without even the implied warranty of
+but WITHOUT ANY WARRANTY; without even the implied warranty of
-\&\s-1MERCHANTABILITY\s0 or \s-1FITNESS FOR A PARTICULAR PURPOSE.\s0
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 .PP
-You should have received a copy of the \s-1UPX\s0 License Agreements along
+You should have received a copy of the UPX License Agreements along
-with this program; see the files \s-1COPYING\s0 and \s-1LICENSE.\s0 If not,
+with this program; see the files COPYING and LICENSE. If not,
-visit the \s-1UPX\s0 home page.
+visit the UPX home page.

doc/upx.pod

@@ -13,7 +13,7 @@ B<upx> S<[ I<command> ]> S<[ I<options> ]> I<filename>...
 =head1 ABSTRACT
 
                     The Ultimate Packer for eXecutables
-   Copyright (c) 1996-2023 Markus Oberhumer, Laszlo Molnar & John Reiser
+   Copyright (c) 1996-2024 Markus Oberhumer, Laszlo Molnar & John Reiser
                            https://upx.github.io
 
 
@@ -926,19 +926,15 @@ Please report all bugs immediately to the authors.
 
  John F. Reiser <jreiser@BitWagon.com>
 
- Jens Medoch <jssg@users.sourceforge.net>
-
 
 
 =head1 COPYRIGHT
 
-Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
 
-Copyright (C) 1996-2023 Laszlo Molnar
+Copyright (C) 1996-2024 Laszlo Molnar
 
-Copyright (C) 2000-2023 John F. Reiser
+Copyright (C) 2000-2024 John F. Reiser
-
-Copyright (C) 2002-2023 Jens Medoch
 
 B<UPX> is distributed with full source code under the terms of the
 GNU General Public License v2+; either under the pure GPLv2+ (see

misc/analyze/clang-tidy/clang-tidy-bzip2.yml

@@ -1,4 +1,6 @@
-# for clang-tidy-16 from https://clang.llvm.org/extra/clang-tidy/
+# vim:set ft=yaml ts=2 sw=2 et:
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+# for clang-tidy from https://clang.llvm.org/extra/clang-tidy/
 ---
 Checks: >
   -*,
@@ -14,7 +16,7 @@ Checks: >
     -clang-analyzer-core.UndefinedBinaryOperatorResult,
     -clang-analyzer-core.uninitialized.Assign,
     -clang-analyzer-security.insecureAPI.strcpy,
-  clang-diagnostics-*',
+  clang-diagnostic-*,
   performance-*,
 FormatStyle: file
 HeaderFilterRegex: '.*'

misc/analyze/clang-tidy/clang-tidy-ucl.yml

@@ -1,18 +1,22 @@
-# for clang-tidy-16 from https://clang.llvm.org/extra/clang-tidy/
+# vim:set ft=yaml ts=2 sw=2 et:
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+# for clang-tidy from https://clang.llvm.org/extra/clang-tidy/
 ---
 Checks: >
   -*,
   bugprone-*,
     -bugprone-assignment-in-if-condition,
+    -bugprone-casting-through-void,
     -bugprone-easily-swappable-parameters,
     -bugprone-implicit-widening-of-multiplication-result,
+    -bugprone-inc-dec-in-conditions,
     -bugprone-macro-parentheses,
     -bugprone-reserved-identifier,
     -bugprone-sizeof-expression,
     -bugprone-suspicious-include,
   clang-analyzer-*,
     -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
-  clang-diagnostics-*',
+  clang-diagnostic-*,
   performance-*,
 FormatStyle: file
 HeaderFilterRegex: '.*'

misc/analyze/clang-tidy/clang-tidy-zlib.yml

@@ -1,4 +1,6 @@
-# for clang-tidy-16 from https://clang.llvm.org/extra/clang-tidy/
+# vim:set ft=yaml ts=2 sw=2 et:
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+# for clang-tidy from https://clang.llvm.org/extra/clang-tidy/
 ---
 Checks: >
   -*,
@@ -6,6 +8,7 @@ Checks: >
     -bugprone-assignment-in-if-condition,
     -bugprone-easily-swappable-parameters,
     -bugprone-implicit-widening-of-multiplication-result,
+    -bugprone-inc-dec-in-conditions,
     -bugprone-macro-parentheses,
     -bugprone-narrowing-conversions,
     -bugprone-reserved-identifier,
@@ -13,7 +16,7 @@ Checks: >
   clang-analyzer-*,
     -clang-analyzer-optin.performance.Padding,
     -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
-  clang-diagnostics-*',
+  clang-diagnostic-*,
   performance-*,
 FormatStyle: file
 HeaderFilterRegex: '.*'

misc/analyze/clang-tidy/clang-tidy-zstd.yml

@@ -1,10 +1,13 @@
-# for clang-tidy-16 from https://clang.llvm.org/extra/clang-tidy/
+# vim:set ft=yaml ts=2 sw=2 et:
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+# for clang-tidy from https://clang.llvm.org/extra/clang-tidy/
 ---
 Checks: >
   -*,
   bugprone-*,
     -bugprone-assignment-in-if-condition,
     -bugprone-branch-clone,
+    -bugprone-casting-through-void,
     -bugprone-easily-swappable-parameters,
     -bugprone-implicit-widening-of-multiplication-result,
     -bugprone-macro-parentheses,
@@ -16,7 +19,7 @@ Checks: >
     -clang-analyzer-core.UndefinedBinaryOperatorResult,
     -clang-analyzer-deadcode.DeadStores,
     -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
-  clang-diagnostics-*',
+  clang-diagnostic-*,
   performance-*,
     -performance-no-int-to-ptr,
 FormatStyle: file

misc/analyze/clang-tidy/run-clang-tidy.py

@@ -257,7 +257,7 @@ def main():
     parser.add_argument(
         "-allow-enabling-alpha-checkers",
         action="store_true",
-        help="allow alpha checkers from " "clang-analyzer.",
+        help="allow alpha checkers from clang-analyzer.",
     )
     parser.add_argument(
         "-clang-tidy-binary", metavar="PATH", help="path to clang-tidy binary"
@@ -270,7 +270,7 @@ def main():
     parser.add_argument(
         "-checks",
         default=None,
-        help="checks filter, when not specified, use clang-tidy " "default",
+        help="checks filter, when not specified, use clang-tidy default",
     )
     config_group = parser.add_mutually_exclusive_group()
     config_group.add_argument(
@@ -303,7 +303,7 @@ def main():
     parser.add_argument(
         "-line-filter",
         default=None,
-        help="List of files with line ranges to filter the" "warnings.",
+        help="List of files with line ranges to filter the warnings.",
     )
     if yaml:
         parser.add_argument(
@@ -335,12 +335,12 @@ def main():
     )
     parser.add_argument("-fix", action="store_true", help="apply fix-its")
     parser.add_argument(
-        "-format", action="store_true", help="Reformat code " "after applying fixes"
+        "-format", action="store_true", help="Reformat code after applying fixes"
     )
     parser.add_argument(
         "-style",
         default="file",
-        help="The style of reformat " "code after applying fixes",
+        help="The style of reformat code after applying fixes",
     )
     parser.add_argument(
         "-use-color",
@@ -359,14 +359,14 @@ def main():
         dest="extra_arg",
         action="append",
         default=[],
-        help="Additional argument to append to the compiler " "command line.",
+        help="Additional argument to append to the compiler command line.",
     )
     parser.add_argument(
         "-extra-arg-before",
         dest="extra_arg_before",
         action="append",
         default=[],
-        help="Additional argument to prepend to the compiler " "command line.",
+        help="Additional argument to prepend to the compiler command line.",
     )
     parser.add_argument(
         "-quiet", action="store_true", help="Run clang-tidy in quiet mode"
@@ -381,7 +381,7 @@ def main():
     parser.add_argument(
         "-warnings-as-errors",
         default=None,
-        help="Upgrades warnings to errors. Same format as " "'-checks'",
+        help="Upgrades warnings to errors. Same format as '-checks'",
     )
     args = parser.parse_args()
 

misc/cmake/functions.cmake

@@ -0,0 +1,382 @@
+#
+# UPX "CMake" build file; see https://cmake.org/
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
+
+# set USE_STRICT_DEFAULTS
+if(NOT DEFINED USE_STRICT_DEFAULTS AND IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/.git")
+    include("${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/use_strict_defaults.cmake" OPTIONAL)
+endif()
+if(NOT DEFINED USE_STRICT_DEFAULTS)
+    # use permissive config defaults when building from source code tarball
+    set(USE_STRICT_DEFAULTS FALSE CACHE INTERNAL "" FORCE)
+endif()
+
+#***********************************************************************
+# macros
+#***********************************************************************
+
+# support config hooks; developer convenience
+macro(upx_cmake_include_hook section)
+    include("${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/hooks/CMakeLists.${section}.txt" OPTIONAL)
+    include("${CMAKE_CURRENT_SOURCE_DIR}/maint/make/CMakeLists.${section}.txt" OPTIONAL)
+endmacro()
+
+# Disallow in-source build. Note that you will still have to manually
+# clean up a few files if you accidentally try an in-source build.
+macro(upx_disallow_in_source_build)
+    set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
+    set(CMAKE_DISABLE_SOURCE_CHANGES  ON)
+    if(",${CMAKE_CURRENT_SOURCE_DIR}," STREQUAL ",${CMAKE_CURRENT_BINARY_DIR},")
+        # try to clean up (does not work)
+        #file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/CMakeCache.txt")
+        #file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/cmake.check_cache")
+        message(FATAL_ERROR "ERROR: In-source builds are not allowed, please use an extra build dir.")
+    endif()
+endmacro()
+
+# set the default build type; must be called before project() cmake init
+macro(upx_set_default_build_type type)
+    set(upx_global_default_build_type "${type}")
+    get_property(upx_global_is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+    if(NOT upx_global_is_multi_config AND NOT CMAKE_BUILD_TYPE)
+        set(CMAKE_BUILD_TYPE "${upx_global_default_build_type}" CACHE STRING "Choose the type of build." FORCE)
+    endif()
+endmacro()
+
+# set the default multi-config build type; must be called after project() cmake init
+macro(upx_apply_build_type)
+    if(upx_global_is_multi_config)
+        set(c "${CMAKE_CONFIGURATION_TYPES}")
+        list(INSERT c 0 "${upx_global_default_build_type}")
+        if(CMAKE_BUILD_TYPE)
+            list(INSERT c 0 "${CMAKE_BUILD_TYPE}")
+        endif()
+        list(REMOVE_DUPLICATES c)
+        set(CMAKE_CONFIGURATION_TYPES "${c}" CACHE STRING "List of supported configuration types." FORCE)
+    endif()
+    # now also set the build type for use in try_compile()
+    if(NOT CMAKE_TRY_COMPILE_CONFIGURATION)
+        if(CMAKE_BUILD_TYPE)
+            set(CMAKE_TRY_COMPILE_CONFIGURATION "${CMAKE_BUILD_TYPE}")
+        else()
+            set(CMAKE_TRY_COMPILE_CONFIGURATION "${upx_global_default_build_type}")
+        endif()
+    endif()
+endmacro()
+
+# ternary conditional operator
+macro(upx_ternary result_var_name condition true_value false_value)
+    if(${condition})
+        set(${result_var_name} "${true_value}")
+    else()
+        set(${result_var_name} "${false_value}")
+    endif()
+endmacro()
+
+#***********************************************************************
+# util
+#***********************************************************************
+
+# convert to CMake bool
+function(upx_make_bool_var result_var_name var_name default_value)
+    set(result "${default_value}")
+    # only query $var_name if it is defined and not empty
+    if(NOT ",${var_name}," STREQUAL ",,")
+        if(DEFINED ${var_name})
+            if(NOT ",${${var_name}}," STREQUAL ",,")
+                set(result "${${var_name}}")
+            endif()
+        endif()
+    endif()
+    if(${result})
+        set(result ON)
+    else()
+        set(result OFF)
+    endif()
+    set(${result_var_name} "${result}" PARENT_SCOPE) # return value
+endfunction()
+
+function(upx_print_var) # ARGV
+    foreach(var_name ${ARGV})
+        if(DEFINED ${var_name})
+            if(NOT ",${${var_name}}," STREQUAL ",,")
+                if(${var_name})
+                    message(STATUS "${var_name} = ${${var_name}}")
+                endif()
+            endif()
+        endif()
+    endforeach()
+endfunction()
+
+function(upx_print_env_var) # ARGV
+    foreach(var_name ${ARGV})
+        if(DEFINED ENV{${var_name}})
+            if(NOT ",$ENV{${var_name}}," STREQUAL ",,")
+                message(STATUS "ENV{${var_name}} = '$ENV{${var_name}}'")
+            endif()
+        endif()
+    endforeach()
+endfunction()
+
+function(upx_print_have_symbol) # ARGV; needs include(CheckSymbolExists)
+    set(rq "${CMAKE_REQUIRED_QUIET}")
+    set(CMAKE_REQUIRED_QUIET ON)
+    foreach(symbol ${ARGV})
+        set(cache_var_name "HAVE_symbol_${symbol}")
+        check_symbol_exists("${symbol}" "limits.h;stddef.h;stdint.h" "${cache_var_name}")
+        if(${cache_var_name})
+            message(STATUS "HAVE_symbol ${symbol}")
+        endif()
+    endforeach()
+    set(CMAKE_REQUIRED_QUIET "${rq}")
+endfunction()
+
+# examine compiler configuration
+function(upx_print_common_symbols)
+    upx_print_have_symbol(__FAST_MATH__)
+    upx_print_have_symbol(__PIC__ __pic__ __PIE__ __pie__)
+endfunction()
+
+# examine MinGW/Cygwin compiler configuration
+function(upx_print_mingw_symbols)
+    if(WIN32 OR MINGW OR CYGWIN)
+        if(CMAKE_C_COMPILER_ID MATCHES "(Clang|GNU)")
+            # runtime library: msvcrt vs ucrt vs cygwin
+            upx_print_have_symbol(__CRTDLL__ __CYGWIN__ __CYGWIN32__ __CYGWIN64__ __MINGW32__ __MINGW64__ __MINGW64_VERSION_MAJOR __MSVCRT__ __MSVCRT_VERSION__ _UCRT _WIN32 _WIN32_WINNT _WIN64)
+            # exception handing: SJLJ (setjmp/longjmp) vs DWARF vs SEH
+            upx_print_have_symbol(__GCC_HAVE_DWARF2_CFI_ASM __SEH__ __USING_SJLJ_EXCEPTIONS__)
+            # threads: win32 vs posix/pthread/winpthreads vs mcfgthread
+            upx_print_have_symbol(_REENTRANT __USING_MCFGTHREAD__)
+        endif()
+    endif()
+endfunction()
+
+# add wildcard expansions to a variable
+function(upx_add_glob_files) # ARGV
+    set(var_name ${ARGV0})
+    list(REMOVE_AT ARGV 0)
+    if(${CMAKE_VERSION} VERSION_LESS "3.3")
+        file(GLOB files ${ARGV})
+    else()
+        file(GLOB files LIST_DIRECTORIES false ${ARGV})
+    endif()
+    set(result "")
+    if(DEFINED ${var_name})
+        set(result "${${var_name}}")
+    endif()
+    list(APPEND result "${files}")
+    list(SORT result)
+    list(REMOVE_DUPLICATES result)
+    #message(STATUS "upx_add_glob_files: ${var_name} = ${result}")
+    set(${var_name} "${result}" PARENT_SCOPE) # return value
+endfunction()
+
+# remove wildcard expansions from a variable
+function(upx_remove_glob_files) # ARGV
+    set(var_name ${ARGV0})
+    list(REMOVE_AT ARGV 0)
+    file(GLOB files ${ARGV})
+    set(result "")
+    if(DEFINED ${var_name})
+        set(result "${${var_name}}")
+        foreach(file ${files})
+            list(REMOVE_ITEM result "${file}")
+        endforeach()
+        list(SORT result)
+        list(REMOVE_DUPLICATES result)
+    endif()
+    #message(STATUS "upx_remove_glob_files: ${var_name} = ${result}")
+    set(${var_name} "${result}" PARENT_SCOPE) # return value
+endfunction()
+
+# useful for CI jobs: allow settings via environment and cache result
+function(upx_cache_bool_vars) # ARGV
+    set(default_value "${ARGV0}")
+    list(REMOVE_AT ARGV 0)
+    foreach(var_name ${ARGV})
+        set(value ${default_value})
+        if(DEFINED UPX_CACHE_VALUE_${var_name})     # check cache
+            set(value "${UPX_CACHE_VALUE_${var_name}}")
+        elseif(DEFINED ${var_name})                 # defined via "cmake -DXXX=YYY"
+            set(value "${${var_name}}")
+        elseif(DEFINED ENV{${var_name}})            # check environment
+            if("$ENV{${var_name}}" MATCHES "^(0|1|OFF|ON|FALSE|TRUE|off|on|false|true)$")
+                set(value "$ENV{${var_name}}")
+                set(UPX_CACHE_ORIGIN_FROM_ENV_${var_name} TRUE CACHE INTERNAL "" FORCE) # for status message below
+            endif()
+        endif()
+        # convert to bool
+        if(value)
+            set(value ON)
+        else()
+            set(value OFF)
+        endif()
+        # store result
+        if(UPX_CACHE_ORIGIN_FROM_ENV_${var_name})
+            message(STATUS "setting from environment: ${var_name} = ${value}")
+        endif()
+        set(${var_name} "${value}" PARENT_SCOPE) # store result
+        set(UPX_CACHE_VALUE_${var_name} "${value}" CACHE INTERNAL "" FORCE) # and store in cache
+    endforeach()
+endfunction()
+
+function(upx_platform_check_mismatch var_name_1 var_name_2)
+    if(DEFINED ${var_name_1} OR DEFINED ${var_name_2})
+        if(NOT ",${${var_name_1}}," STREQUAL ",${${var_name_2}},")
+            if(UPX_CONFIG_DISABLE_WERROR)
+                message(WARNING "WARNING: '${var_name_1}' '${var_name_2}' mismatch")
+            else()
+                message(FATAL_ERROR "FATAL ERROR: '${var_name_1}' '${var_name_2}' mismatch")
+            endif()
+        endif()
+    endif()
+endfunction()
+
+#***********************************************************************
+# compilation flags
+#***********************************************************************
+
+function(upx_internal_add_definitions_with_prefix) # ARGV; needs include(CheckCCompilerFlag)
+    set(flag_prefix "${ARGV0}")
+    if("${flag_prefix}" MATCHES "^empty$") # need "empty" to work around bug in old CMake versions
+        set(flag_prefix "")
+    endif()
+    list(REMOVE_AT ARGV 0)
+    set(failed "")
+    foreach(f ${ARGV})
+        set(flag "${flag_prefix}${f}")
+        string(REGEX REPLACE "[^0-9a-zA-Z_]" "_" cache_var_name "HAVE_CFLAG_${flag}")
+        check_c_compiler_flag("${flag}" ${cache_var_name})
+        if(${cache_var_name})
+            #message(STATUS "add_definitions: ${flag}")
+            add_definitions("${flag}")
+        else()
+            list(APPEND failed "${f}")
+        endif()
+    endforeach()
+    set(failed_flags "${failed}" PARENT_SCOPE) # return value
+endfunction()
+
+function(upx_add_definitions) # ARGV; needs include(CheckCCompilerFlag)
+    set(failed_flags "")
+    if(MSVC_FRONTEND AND CMAKE_C_COMPILER_ID MATCHES "Clang")
+        # for clang-cl try "-clang:" flag prefix first
+        upx_internal_add_definitions_with_prefix("-clang:" ${ARGV})
+        upx_internal_add_definitions_with_prefix("empty" ${failed_flags})
+    else()
+        upx_internal_add_definitions_with_prefix("empty" ${ARGV})
+    endif()
+endfunction()
+
+# useful for CI jobs: allow target extra compile options
+function(upx_add_target_extra_compile_options) # ARGV
+    set(t "${ARGV0}")
+    list(REMOVE_AT ARGV 0)
+    foreach(var_name ${ARGV})
+        if(NOT DEFINED ${var_name})
+        elseif(",${${var_name}}," STREQUAL ",,")
+        else()
+            set(flags "${${var_name}}")
+            if(NOT flags MATCHES ";") # NOTE: split into list from string only if not already a list
+                if(${CMAKE_VERSION} VERSION_GREATER "3.8.99")
+                    separate_arguments(flags NATIVE_COMMAND "${flags}")
+                else()
+                    separate_arguments(flags)
+                endif()
+            endif()
+            target_compile_options(${t} PRIVATE "${flags}")
+        endif()
+    endforeach()
+endfunction()
+
+# compile a target with -O2 optimization even in Debug build
+function(upx_compile_target_debug_with_O2) # ARGV
+    foreach(t ${ARGV})
+        if(MSVC_FRONTEND)
+            # MSVC uses some Debug compilation options like -RTC1 that are incompatible with -O2
+        else()
+            target_compile_options(${t} PRIVATE $<$<CONFIG:Debug>:-O2>)
+        endif()
+    endforeach()
+endfunction()
+
+# compile a source file with -O2 optimization even in Debug build; messy because of CMake limitations
+function(upx_compile_source_debug_with_O2) # ARGV
+    set(flags "$<$<CONFIG:Debug>:-O2>")
+    if(${CMAKE_VERSION} VERSION_LESS "3.8")
+        # 3.8: The COMPILE_FLAGS source file property learned to support generator expressions
+        if(upx_global_is_multi_config OR NOT CMAKE_BUILD_TYPE MATCHES "^Debug$")
+            return()
+        endif()
+        set(flags "-O2")
+    endif()
+    if(CMAKE_GENERATOR MATCHES "Xcode") # multi-config
+        # NOTE: Xcode does not support per-config per-source COMPILE_FLAGS (as of CMake 3.27.7)
+        return()
+    endif()
+    foreach(source ${ARGV})
+        if(MSVC_FRONTEND)
+            # MSVC uses some Debug compilation options like -RTC1 that are incompatible with -O2
+        else()
+            get_source_file_property(prop "${source}" COMPILE_FLAGS)
+            if("${prop}" MATCHES "^(NOTFOUND)?$")
+                set_source_files_properties("${source}" PROPERTIES COMPILE_FLAGS "${flags}")
+            else()
+                set_source_files_properties("${source}" PROPERTIES COMPILE_FLAGS "${prop} ${flags}")
+            endif()
+        endif()
+    endforeach()
+endfunction()
+
+# sanitize a target; note that this may require special run-time support libs from your toolchain
+function(upx_sanitize_target) # ARGV
+    foreach(t ${ARGV})
+        if(UPX_CONFIG_DISABLE_SANITIZE)
+            # no-op
+        elseif(MSVC_FRONTEND)
+            # MSVC uses -GS (similar to -fstack-protector) by default
+        elseif(NOT GNU_FRONTEND)
+            # unknown compiler
+        elseif(MINGW OR CYGWIN)
+            # avoid link errors with current MinGW-w64 versions
+            # see https://www.mingw-w64.org/contribute/#sanitizers-asan-tsan-usan
+        elseif(CMAKE_C_COMPILER_ID MATCHES "^Clang$" AND CMAKE_C_COMPILER_VERSION VERSION_LESS "9.0")
+            # unreliable/broken sanitize implementation before clang-9 (Sep 2019)
+            message(WARNING "WARNING: ignoring SANITIZE for target '${t}'")
+        elseif(CMAKE_C_COMPILER_ID MATCHES "^GNU" AND CMAKE_C_COMPILER_VERSION VERSION_LESS "8.0")
+            # unsupported compiler; unreliable/broken sanitize implementation before gcc-8 (May 2018)
+            message(WARNING "WARNING: ignoring SANITIZE for target '${t}'")
+        else()
+            # default sanitizer for Debug builds
+            target_compile_options(${t} PRIVATE $<$<CONFIG:Debug>:-fsanitize=undefined -fsanitize-undefined-trap-on-error -fstack-protector-all>)
+            # default sanitizer for Release builds
+            target_compile_options(${t} PRIVATE $<$<CONFIG:MinSizeRel>:-fstack-protector>)
+            target_compile_options(${t} PRIVATE $<$<CONFIG:Release>:-fstack-protector>)
+            target_compile_options(${t} PRIVATE $<$<CONFIG:RelWithDebInfo>:-fstack-protector>)
+        endif()
+    endforeach()
+endfunction()
+
+#***********************************************************************
+# test
+#***********************************************************************
+
+function(upx_add_test) # ARGV
+    set(name "${ARGV0}")
+    list(REMOVE_AT ARGV 0)
+    add_test(NAME "${name}" COMMAND ${ARGV})
+endfunction()
+
+function(upx_test_depends) # ARGV
+    set(name "${ARGV0}")
+    list(REMOVE_AT ARGV 0)
+    get_property(prop TEST "${name}" PROPERTY DEPENDS)
+    if("${prop}" MATCHES "^(NOTFOUND)?$")
+        set_tests_properties("${name}" PROPERTIES DEPENDS "${ARGV}")
+    else()
+        set_tests_properties("${name}" PROPERTIES DEPENDS "${prop};${ARGV}")
+    endif()
+endfunction()
+
+# vim:set ft=cmake ts=4 sw=4 tw=0 et:

misc/cmake/print_info.cmake

@@ -0,0 +1,48 @@
+#
+# UPX "CMake" build file; see https://cmake.org/
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
+
+#***********************************************************************
+# summary section
+# print some info about the build configuration
+#***********************************************************************
+
+# generator
+upx_print_var(CMAKE_GENERATOR_TOOLSET CMAKE_GENERATOR_PLATFORM)
+
+# directories
+if(NOT ",${CMAKE_BINARY_DIR}," STREQUAL ",${CMAKE_CURRENT_BINARY_DIR}," OR NOT ",${CMAKE_SOURCE_DIR}," STREQUAL ",${CMAKE_CURRENT_SOURCE_DIR},")
+    upx_print_var(CMAKE_BINARY_DIR CMAKE_SOURCE_DIR CMAKE_CURRENT_BINARY_DIR CMAKE_CURRENT_SOURCE_DIR)
+endif()
+
+# system
+upx_print_var(CMAKE_HOST_SYSTEM_NAME CMAKE_HOST_SYSTEM_VERSION CMAKE_HOST_SYSTEM_PROCESSOR)
+upx_print_var(CMAKE_SYSTEM_NAME CMAKE_SYSTEM_VERSION CMAKE_SYSTEM_PROCESSOR)
+upx_print_var(CMAKE_ANDROID_NDK CMAKE_ANDROID_NDK_VERSION CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
+upx_print_var(CMAKE_APPLE_SILICON_PROCESSOR CMAKE_OSX_DEPLOYMENT_TARGET CMAKE_OSX_SYSROOT)
+upx_print_Var(CMAKE_CROSSCOMPILING CMAKE_CROSSCOMPILING_EMULATOR)
+
+# binutils
+upx_print_var(CMAKE_AR CMAKE_RANLIB)
+
+# compilers
+foreach(lang IN ITEMS ASM C CXX)
+    upx_print_var(CMAKE_${lang}_COMPILER_LAUNCHER)
+    upx_print_var(CMAKE_${lang}_COMPILER)
+    upx_print_var(CMAKE_${lang}_COMPILER_ID)
+    upx_print_var(CMAKE_${lang}_COMPILER_VERSION)
+    upx_print_var(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT )
+    upx_print_var(CMAKE_${lang}_COMPILER_ARCHITECTURE_ID)
+    upx_print_var(CMAKE_${lang}_PLATFORM_ID)
+    upx_print_var(CMAKE_${lang}_COMPILER_ABI)
+    upx_print_var(CMAKE_${lang}_COMPILER_TARGET)
+endforeach()
+
+# misc
+upx_print_var(CMAKE_INTERPROCEDURAL_OPTIMIZATION CMAKE_POSITION_INDEPENDENT_CODE)
+
+# shortcuts
+upx_print_var(APPLE CLANG CYGWIN GNU_FRONTEND GNUC MINGW MSVC MSVC_FRONTEND MSVC_IDE MSVC_TOOLSET_VERSION MSVC_VERSION MSYS UNIX WIN32 WIN64)
+
+# vim:set ft=cmake ts=4 sw=4 tw=0 et:

misc/cmake/self_pack_test.cmake

@@ -0,0 +1,148 @@
+#
+# UPX "CMake" build file; see https://cmake.org/
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
+
+#***********************************************************************
+# test section: self-pack tests
+#
+# IMPORTANT NOTE: these tests can only work if the host executable format
+#   is supported by UPX!
+#***********************************************************************
+
+set(emu "")
+if(DEFINED CMAKE_CROSSCOMPILING_EMULATOR)
+    set(emu "${CMAKE_CROSSCOMPILING_EMULATOR}")
+endif()
+set(exe "${CMAKE_EXECUTABLE_SUFFIX}")
+set(upx_self_exe "$<TARGET_FILE:upx>")
+set(fo "--force-overwrite")
+
+#
+# basic tests
+#
+
+upx_add_test(upx-self-pack          upx -3               "${upx_self_exe}" ${fo} -o upx-packed${exe})
+upx_add_test(upx-self-pack-fa       upx -3 --all-filters "${upx_self_exe}" ${fo} -o upx-packed-fa${exe})
+upx_add_test(upx-self-pack-fn       upx -3 --no-filter   "${upx_self_exe}" ${fo} -o upx-packed-fn${exe})
+upx_add_test(upx-self-pack-fr       upx -3 --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-fr${exe})
+upx_add_test(upx-self-pack-nrv2b    upx -3 --nrv2b       "${upx_self_exe}" ${fo} -o upx-packed-nrv2b${exe})
+upx_add_test(upx-self-pack-nrv2d    upx -3 --nrv2d       "${upx_self_exe}" ${fo} -o upx-packed-nrv2d${exe})
+upx_add_test(upx-self-pack-nrv2e    upx -3 --nrv2e       "${upx_self_exe}" ${fo} -o upx-packed-nrv2e${exe})
+upx_add_test(upx-self-pack-lzma     upx -1 --lzma        "${upx_self_exe}" ${fo} -o upx-packed-lzma${exe})
+
+upx_add_test(upx-list               upx -l         upx-packed${exe} upx-packed-fa${exe} upx-packed-fn${exe} upx-packed-fr${exe} upx-packed-nrv2b${exe} upx-packed-nrv2d${exe} upx-packed-nrv2e${exe} upx-packed-lzma${exe})
+upx_add_test(upx-fileinfo           upx --fileinfo upx-packed${exe} upx-packed-fa${exe} upx-packed-fn${exe} upx-packed-fr${exe} upx-packed-nrv2b${exe} upx-packed-nrv2d${exe} upx-packed-nrv2e${exe} upx-packed-lzma${exe})
+upx_add_test(upx-test               upx -t         upx-packed${exe} upx-packed-fa${exe} upx-packed-fn${exe} upx-packed-fr${exe} upx-packed-nrv2b${exe} upx-packed-nrv2d${exe} upx-packed-nrv2e${exe} upx-packed-lzma${exe})
+
+upx_add_test(upx-unpack             upx -d upx-packed${exe}       ${fo} -o upx-unpacked${exe})
+upx_add_test(upx-unpack-fa          upx -d upx-packed-fa${exe}    ${fo} -o upx-unpacked-fa${exe})
+upx_add_test(upx-unpack-fn          upx -d upx-packed-fn${exe}    ${fo} -o upx-unpacked-fn${exe})
+upx_add_test(upx-unpack-fr          upx -d upx-packed-fr${exe}    ${fo} -o upx-unpacked-fr${exe})
+upx_add_test(upx-unpack-nrv2b       upx -d upx-packed-nrv2b${exe} ${fo} -o upx-unpacked-nrv2b${exe})
+upx_add_test(upx-unpack-nrv2d       upx -d upx-packed-nrv2d${exe} ${fo} -o upx-unpacked-nrv2d${exe})
+upx_add_test(upx-unpack-nrv2e       upx -d upx-packed-nrv2e${exe} ${fo} -o upx-unpacked-nrv2e${exe})
+upx_add_test(upx-unpack-lzma        upx -d upx-packed-lzma${exe}  ${fo} -o upx-unpacked-lzma${exe})
+
+# all unpacked files must be identical
+upx_add_test(upx-compare-fa         "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-fa${exe})
+upx_add_test(upx-compare-fn         "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-fn${exe})
+upx_add_test(upx-compare-fr         "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-fr${exe})
+upx_add_test(upx-compare-nrv2b      "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-nrv2b${exe})
+upx_add_test(upx-compare-nrv2d      "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-nrv2d${exe})
+upx_add_test(upx-compare-nrv2e      "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-nrv2e${exe})
+upx_add_test(upx-compare-lzma       "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-lzma${exe})
+
+# test dependencies
+upx_test_depends(upx-list           "upx-self-pack;upx-self-pack-fa;upx-self-pack-fn;upx-self-pack-fr;upx-self-pack-nrv2b;upx-self-pack-nrv2d;upx-self-pack-nrv2e;upx-self-pack-lzma")
+upx_test_depends(upx-fileinfo       "upx-self-pack;upx-self-pack-fa;upx-self-pack-fn;upx-self-pack-fr;upx-self-pack-nrv2b;upx-self-pack-nrv2d;upx-self-pack-nrv2e;upx-self-pack-lzma")
+upx_test_depends(upx-test           "upx-self-pack;upx-self-pack-fa;upx-self-pack-fn;upx-self-pack-fr;upx-self-pack-nrv2b;upx-self-pack-nrv2d;upx-self-pack-nrv2e;upx-self-pack-lzma")
+upx_test_depends(upx-unpack         upx-self-pack)
+upx_test_depends(upx-unpack-fa      upx-self-pack-fa)
+upx_test_depends(upx-unpack-fn      upx-self-pack-fn)
+upx_test_depends(upx-unpack-fr      upx-self-pack-fr)
+upx_test_depends(upx-unpack-nrv2b   upx-self-pack-nrv2b)
+upx_test_depends(upx-unpack-nrv2d   upx-self-pack-nrv2d)
+upx_test_depends(upx-unpack-nrv2e   upx-self-pack-nrv2e)
+upx_test_depends(upx-unpack-lzma    upx-self-pack-lzma)
+upx_test_depends(upx-compare-fa     "upx-unpack;upx-unpack-fa")
+upx_test_depends(upx-compare-fn     "upx-unpack;upx-unpack-fn")
+upx_test_depends(upx-compare-fr     "upx-unpack;upx-unpack-fr")
+upx_test_depends(upx-compare-nrv2b  "upx-unpack;upx-unpack-nrv2b")
+upx_test_depends(upx-compare-nrv2d  "upx-unpack;upx-unpack-nrv2d")
+upx_test_depends(upx-compare-nrv2e  "upx-unpack;upx-unpack-nrv2e")
+upx_test_depends(upx-compare-lzma   "upx-unpack;upx-unpack-lzma")
+# tests with higher COST values will run first
+set_tests_properties(upx-self-pack       PROPERTIES COST 90)
+set_tests_properties(upx-self-pack-fa    PROPERTIES COST 20)
+set_tests_properties(upx-self-pack-fn    PROPERTIES COST 20)
+set_tests_properties(upx-self-pack-fr    PROPERTIES COST 20)
+set_tests_properties(upx-self-pack-nrv2b PROPERTIES COST 20)
+set_tests_properties(upx-self-pack-nrv2d PROPERTIES COST 20)
+set_tests_properties(upx-self-pack-nrv2e PROPERTIES COST 20)
+set_tests_properties(upx-self-pack-lzma  PROPERTIES COST 30)
+set_tests_properties(upx-unpack          PROPERTIES COST 10)
+
+if(NOT UPX_CONFIG_DISABLE_RUN_UNPACKED_TEST)
+    upx_add_test(upx-run-unpacked           ${emu} ./upx-unpacked${exe} --version-short)
+    upx_test_depends(upx-run-unpacked       upx-unpack)
+endif()
+
+if(NOT UPX_CONFIG_DISABLE_RUN_PACKED_TEST)
+    upx_add_test(upx-run-packed             ${emu} ./upx-packed${exe}       --version-short)
+    upx_add_test(upx-run-packed-fa          ${emu} ./upx-packed-fa${exe}    --version-short)
+    upx_add_test(upx-run-packed-fn          ${emu} ./upx-packed-fn${exe}    --version-short)
+    upx_add_test(upx-run-packed-fr          ${emu} ./upx-packed-fr${exe}    --version-short)
+    upx_add_test(upx-run-packed-nrv2b       ${emu} ./upx-packed-nrv2b${exe} --version-short)
+    upx_add_test(upx-run-packed-nrv2d       ${emu} ./upx-packed-nrv2d${exe} --version-short)
+    upx_add_test(upx-run-packed-nrv2e       ${emu} ./upx-packed-nrv2e${exe} --version-short)
+    upx_add_test(upx-run-packed-lzma        ${emu} ./upx-packed-lzma${exe}  --version-short)
+    upx_test_depends(upx-run-packed         upx-self-pack)
+    upx_test_depends(upx-run-packed-fa      upx-self-pack-fa)
+    upx_test_depends(upx-run-packed-fn      upx-self-pack-fn)
+    upx_test_depends(upx-run-packed-fr      upx-self-pack-fr)
+    upx_test_depends(upx-run-packed-nrv2b   upx-self-pack-nrv2b)
+    upx_test_depends(upx-run-packed-nrv2d   upx-self-pack-nrv2d)
+    upx_test_depends(upx-run-packed-nrv2e   upx-self-pack-nrv2e)
+    upx_test_depends(upx-run-packed-lzma    upx-self-pack-lzma)
+endif()
+
+#
+# exhaustive tests
+#
+
+if(NOT UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS)
+    foreach(method IN ITEMS nrv2b nrv2d nrv2e lzma)
+        foreach(level IN ITEMS 1 2 3 4 5 6 7)
+            set(s "${method}-${level}")
+            upx_add_test(upx-self-pack-${s}         upx --${method} -${level} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe})
+            upx_add_test(upx-list-${s}              upx -l upx-packed-${s}${exe})
+            upx_add_test(upx-fileinfo-${s}          upx --fileinfo upx-packed-${s}${exe})
+            upx_add_test(upx-test-${s}              upx -t upx-packed-${s}${exe})
+            upx_add_test(upx-unpack-${s}            upx -d upx-packed-${s}${exe} ${fo} -o upx-unpacked-${s}${exe})
+            upx_add_test(upx-compare-${s}           "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-${s}${exe})
+            upx_test_depends(upx-list-${s}          upx-self-pack-${s})
+            upx_test_depends(upx-fileinfo-${s}      upx-self-pack-${s})
+            upx_test_depends(upx-test-${s}          upx-self-pack-${s})
+            upx_test_depends(upx-unpack-${s}        upx-self-pack-${s})
+            upx_test_depends(upx-compare-${s}       "upx-unpack;upx-unpack-${s}")
+            if(method MATCHES "lzma")
+                set_tests_properties(upx-self-pack-${s} PROPERTIES COST "3${level}")
+            else()
+                set_tests_properties(upx-self-pack-${s} PROPERTIES COST "2${level}")
+            endif()
+            if(NOT UPX_CONFIG_DISABLE_RUN_PACKED_TEST)
+                upx_add_test(upx-run-packed-${s}        ${emu} ./upx-packed-${s}${exe} --version-short)
+                upx_test_depends(upx-run-packed-${s}    upx-self-pack-${s})
+            endif()
+        endforeach()
+    endforeach()
+endif () # UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS
+
+# clean up
+set(emu "")
+set(exe "")
+set(upx_self_exe "")
+set(fo "")
+
+# vim:set ft=cmake ts=4 sw=4 tw=0 et:

misc/cmake/try_compile/std_lock_guard.cpp

@@ -0,0 +1,10 @@
+// Copyright (C) Markus Franz Xaver Johannes Oberhumer
+
+#include <mutex>
+
+static std::mutex lock_mutex;
+
+int main() {
+    std::lock_guard<std::mutex> lock(lock_mutex);
+    return 0;
+}

misc/cmake/try_compile/types_abi.cpp

@@ -0,0 +1,22 @@
+// Copyright (C) Markus Franz Xaver Johannes Oberhumer
+
+#include <stddef.h>
+#include <stdint.h>
+
+// check ABI - require proper alignment of fundamental types for use in atomics
+static_assert(alignof(char) == sizeof(char), "");
+static_assert(alignof(signed char) == sizeof(signed char), "");
+static_assert(alignof(unsigned char) == sizeof(unsigned char), "");
+static_assert(alignof(short) == sizeof(short), "");
+static_assert(alignof(unsigned short) == sizeof(unsigned short), "");
+static_assert(alignof(int) == sizeof(int), "");
+static_assert(alignof(unsigned int) == sizeof(unsigned int), "");
+static_assert(alignof(long) == sizeof(long), "");
+static_assert(alignof(unsigned long) == sizeof(unsigned long), "");
+static_assert(alignof(ptrdiff_t) == sizeof(ptrdiff_t), "");
+static_assert(alignof(size_t) == sizeof(size_t), "");
+static_assert(alignof(intptr_t) == sizeof(intptr_t), "");
+static_assert(alignof(uintptr_t) == sizeof(uintptr_t), "");
+static_assert(alignof(void *) == sizeof(void *), "");
+
+int main() { return 0; }

misc/make/Makefile-extra.mk

@@ -3,10 +3,33 @@
 # Copyright (C) Markus Franz Xaver Johannes Oberhumer
 #
 
+ifeq ($(UPX_MAKEFILE_EXTRA_MK_INCLUDED),)
+override UPX_MAKEFILE_EXTRA_MK_INCLUDED := 1
+
+#***********************************************************************
+# support functions
+#***********************************************************************
+
+override check_defined   = $(foreach 1,$1,$(if $(filter undefined,$(origin $1)),$(error ERROR: variable '$1' is not defined),))
+override check_undefined = $(foreach 1,$1,$(if $(filter undefined,$(origin $1)),,$(error ERROR: variable '$1' is already defined)))
+
+# return "1" or empty-string
+override eq = $(if $(subst x$1,,x$2)$(subst x$2,,x$1),,1)
+override ne = $(if $(subst x$1,,x$2)$(subst x$2,,x$1),1,)
+
+override tolower = $(subst A,a,$(subst B,b,$(subst C,c,$(subst D,d,$(subst E,e,$(subst F,f,$(subst G,g,$(subst H,h,$(subst I,i,$(subst J,j,$(subst K,k,$(subst L,l,$(subst M,m,$(subst N,n,$(subst O,o,$(subst P,p,$(subst Q,q,$(subst R,r,$(subst S,s,$(subst T,t,$(subst U,u,$(subst V,v,$(subst W,w,$(subst X,x,$(subst Y,y,$(subst Z,z,$1))))))))))))))))))))))))))
+override toupper = $(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$1))))))))))))))))))))))))))
+
+# canonicalize case of CMAKE_BUILD_TYPE to "Debug" and "Release"
+override cm_build_type = $(if $(call eq,$1,),$(error EMPTY-build-type),$(if $(call eq,$(call tolower,$1),debug),Debug,$(if $(call eq,$(call tolower,$1),release),Release,$(if $(call eq,$(call tolower,$1),none),None,$1))))
+
 #***********************************************************************
 # extra builds: some pre-defined build configurations
 #***********************************************************************
 
+$(call check_defined,run_config run_build)
+$(call check_undefined,run_config_and_build)
+
 define run_config_and_build
 	$(call run_config,$1,$2)
 	$(call run_build,$1,$2)
@@ -42,6 +65,12 @@ build/extra/clang-static/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/clang-static/%: export CC  = clang   -static
 build/extra/clang-static/%: export CXX = clang++ -static
 
+# force building with clang/clang++ -static-pie
+build/extra/clang-static-pie/debug:   PHONY; $(call run_config_and_build,$@,Debug)
+build/extra/clang-static-pie/release: PHONY; $(call run_config_and_build,$@,Release)
+build/extra/clang-static-pie/%: export CC  = clang   -static-pie -fPIE -Wno-unused-command-line-argument
+build/extra/clang-static-pie/%: export CXX = clang++ -static-pie -fPIE -Wno-unused-command-line-argument
+
 # force building with clang/clang++ -static -flto
 build/extra/clang-static-lto/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/clang-static-lto/release: PHONY; $(call run_config_and_build,$@,Release)
@@ -94,6 +123,12 @@ build/extra/gcc-static/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/gcc-static/%: export CC  = gcc -static
 build/extra/gcc-static/%: export CXX = g++ -static
 
+# force building with gcc/g++ -static-pie
+build/extra/gcc-static-pie/debug:   PHONY; $(call run_config_and_build,$@,Debug)
+build/extra/gcc-static-pie/release: PHONY; $(call run_config_and_build,$@,Release)
+build/extra/gcc-static-pie/%: export CC  = gcc -static-pie -fPIE
+build/extra/gcc-static-pie/%: export CXX = g++ -static-pie -fPIE
+
 # force building with gcc/g++ -static -flto
 build/extra/gcc-static-lto/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/gcc-static-lto/release: PHONY; $(call run_config_and_build,$@,Release)
@@ -112,7 +147,7 @@ build/extra/gcc-std-cxx20/%: export UPX_CONFIG_DISABLE_CXX_STANDARD=ON
 build/extra/gcc-std-cxx23/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/gcc-std-cxx23/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/gcc-std-cxx23/%: export CC  = gcc -std=gnu2x
-build/extra/gcc-std-cxx23/%: export CXX = g++ -std=gnu++23
+build/extra/gcc-std-cxx23/%: export CXX = g++ -std=gnu++2b
 build/extra/gcc-std-cxx23/%: export UPX_CONFIG_DISABLE_C_STANDARD=ON
 build/extra/gcc-std-cxx23/%: export UPX_CONFIG_DISABLE_CXX_STANDARD=ON
 
@@ -121,36 +156,50 @@ build/extra/cross-linux-gnu-aarch64/debug:   PHONY; $(call run_config_and_build,
 build/extra/cross-linux-gnu-aarch64/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/cross-linux-gnu-aarch64/%: export CC  = aarch64-linux-gnu-gcc
 build/extra/cross-linux-gnu-aarch64/%: export CXX = aarch64-linux-gnu-g++
+build/extra/cross-linux-gnu-aarch64/%: CMAKE_SYSTEM_NAME ?= Linux
+build/extra/cross-linux-gnu-aarch64/%: CMAKE_CROSSCOMPILING_EMULATOR ?= qemu-aarch64
 
 # cross compiler: Linux glibc arm-linux-gnueabihf
 build/extra/cross-linux-gnu-arm-eabihf/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/cross-linux-gnu-arm-eabihf/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/cross-linux-gnu-arm-eabihf/%: export CC  = arm-linux-gnueabihf-gcc
 build/extra/cross-linux-gnu-arm-eabihf/%: export CXX = arm-linux-gnueabihf-g++ -Wno-psabi
+build/extra/cross-linux-gnu-arm-eabihf/%: CMAKE_SYSTEM_NAME ?= Linux
+build/extra/cross-linux-gnu-arm-eabihf/%: CMAKE_CROSSCOMPILING_EMULATOR ?= qemu-arm
 
 # cross compiler: Windows x86 win32 MinGW (i386)
 build/extra/cross-windows-mingw32/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/cross-windows-mingw32/release: PHONY; $(call run_config_and_build,$@,Release)
-build/extra/cross-windows-mingw32/%: export CC  = i686-w64-mingw32-gcc -static
+build/extra/cross-windows-mingw32/%: export CC  = i686-w64-mingw32-gcc -static -D_WIN32_WINNT=0x0501
-build/extra/cross-windows-mingw32/%: export CXX = i686-w64-mingw32-g++ -static
+build/extra/cross-windows-mingw32/%: export CXX = i686-w64-mingw32-g++ -static -D_WIN32_WINNT=0x0501
+build/extra/cross-windows-mingw32/%: CMAKE_SYSTEM_NAME ?= Windows
+build/extra/cross-windows-mingw32/%: CMAKE_SYSTEM_PROCESSOR ?= X86
+build/extra/cross-windows-mingw32/%: CMAKE_CROSSCOMPILING_EMULATOR ?= wine
 
 # cross compiler: Windows x64 win64 MinGW (amd64)
 build/extra/cross-windows-mingw64/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/cross-windows-mingw64/release: PHONY; $(call run_config_and_build,$@,Release)
-build/extra/cross-windows-mingw64/%: export CC  = x86_64-w64-mingw32-gcc -static
+build/extra/cross-windows-mingw64/%: export CC  = x86_64-w64-mingw32-gcc -static -D_WIN32_WINNT=0x0501
-build/extra/cross-windows-mingw64/%: export CXX = x86_64-w64-mingw32-g++ -static
+build/extra/cross-windows-mingw64/%: export CXX = x86_64-w64-mingw32-g++ -static -D_WIN32_WINNT=0x0501
+build/extra/cross-windows-mingw64/%: CMAKE_SYSTEM_NAME ?= Windows
+build/extra/cross-windows-mingw64/%: CMAKE_SYSTEM_PROCESSOR ?= AMD64
+build/extra/cross-windows-mingw64/%: CMAKE_CROSSCOMPILING_EMULATOR ?= wine
 
 # cross compiler: macOS arm64 (aarch64)
 build/extra/cross-darwin-arm64/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/cross-darwin-arm64/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/cross-darwin-arm64/%: export CC  = clang   -target arm64-apple-darwin
 build/extra/cross-darwin-arm64/%: export CXX = clang++ -target arm64-apple-darwin
+build/extra/cross-darwin-arm64/%: CMAKE_SYSTEM_NAME ?= Darwin
+build/extra/cross-darwin-arm64/%: CMAKE_SYSTEM_PROCESSOR ?= arm64
 
 # cross compiler: macOS x86_64 (amd64)
 build/extra/cross-darwin-x86_64/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/cross-darwin-x86_64/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/cross-darwin-x86_64/%: export CC  = clang   -target x86_64-apple-darwin
 build/extra/cross-darwin-x86_64/%: export CXX = clang++ -target x86_64-apple-darwin
+build/extra/cross-darwin-x86_64/%: CMAKE_SYSTEM_NAME ?= Darwin
+build/extra/cross-darwin-x86_64/%: CMAKE_SYSTEM_PROCESSOR ?= x86_64
 
 #***********************************************************************
 # C/C++ static analyzers
@@ -164,19 +213,20 @@ build/analyze/clang-analyzer/%: override CMAKE := $(SCAN_BUILD) $(CMAKE)
 build/analyze/clang-analyzer/%: export CCC_CC  ?= clang
 build/analyze/clang-analyzer/%: export CCC_CXX ?= clang++
 
-# run clang-tidy: uses file compile_commands.json from an existing clang build
+# run clang-tidy: uses file compile_commands.json from an existing clang build;
 #   does not create any actual files, so purely PHONY
+CLANG_TIDY_BUILD_BASE = build/extra/clang
 RUN_CLANG_TIDY = time python3 ./misc/analyze/clang-tidy/run-clang-tidy.py -p $<
 RUN_CLANG_TIDY_WERROR = $(RUN_CLANG_TIDY) '-warnings-as-errors=*'
-build/analyze/clang-tidy-upx/debug build/analyze/clang-tidy-upx/release: build/extra/clang/$$(notdir $$@) PHONY
+build/analyze/clang-tidy-upx/debug build/analyze/clang-tidy-upx/release: $$(CLANG_TIDY_BUILD_BASE)/$$(notdir $$@) PHONY
 	$(RUN_CLANG_TIDY_WERROR) -config-file ./.clang-tidy '/src/.*\.cpp'
-build/analyze/clang-tidy-bzip2/debug build/analyze/clang-tidy-bzip2/release: build/extra/clang/$$(notdir $$@) PHONY
+build/analyze/clang-tidy-bzip2/debug build/analyze/clang-tidy-bzip2/release: $$(CLANG_TIDY_BUILD_BASE)/$$(notdir $$@) PHONY
 	$(RUN_CLANG_TIDY)        -config-file ./misc/analyze/clang-tidy/clang-tidy-bzip2.yml /vendor/bzip2/
-build/analyze/clang-tidy-ucl/debug build/analyze/clang-tidy-ucl/release: build/extra/clang/$$(notdir $$@) PHONY
+build/analyze/clang-tidy-ucl/debug build/analyze/clang-tidy-ucl/release: $$(CLANG_TIDY_BUILD_BASE)/$$(notdir $$@) PHONY
 	$(RUN_CLANG_TIDY_WERROR) -config-file ./misc/analyze/clang-tidy/clang-tidy-ucl.yml   /vendor/ucl/
-build/analyze/clang-tidy-zlib/debug build/analyze/clang-tidy-zlib/release: build/extra/clang/$$(notdir $$@) PHONY
+build/analyze/clang-tidy-zlib/debug build/analyze/clang-tidy-zlib/release: $$(CLANG_TIDY_BUILD_BASE)/$$(notdir $$@) PHONY
-	$(RUN_CLANG_TIDY_WERROR) -config-file ./misc/analyze/clang-tidy/clang-tidy-zlib.yml  /vendor/zlib/
+	$(RUN_CLANG_TIDY)        -config-file ./misc/analyze/clang-tidy/clang-tidy-zlib.yml  /vendor/zlib/
-build/analyze/clang-tidy-zstd/debug build/analyze/clang-tidy-zstd/release: build/extra/clang/$$(notdir $$@) PHONY
+build/analyze/clang-tidy-zstd/debug build/analyze/clang-tidy-zstd/release: $$(CLANG_TIDY_BUILD_BASE)/$$(notdir $$@) PHONY
 	$(RUN_CLANG_TIDY)        -config-file ./misc/analyze/clang-tidy/clang-tidy-zstd.yml  /vendor/zstd/
 build/analyze/clang-tidy/debug build/analyze/clang-tidy/release: build/analyze/clang-tidy-upx/$$(notdir $$@)
 build/analyze/clang-tidy/debug build/analyze/clang-tidy/release: build/analyze/clang-tidy-bzip2/$$(notdir $$@)
@@ -185,11 +235,11 @@ build/analyze/clang-tidy/debug build/analyze/clang-tidy/release: build/analyze/c
 build/analyze/clang-tidy/debug build/analyze/clang-tidy/release: build/analyze/clang-tidy-zstd/$$(notdir $$@)
 
 # OLD names [deprecated]
-build/extra/scan-build/debug:   build/analyze/clang-analyzer/debug
+build/extra/scan-build/debug:   build/analyze/clang-analyzer/debug PHONY
-build/extra/scan-build/release: build/analyze/clang-analyzer/release
+build/extra/scan-build/release: build/analyze/clang-analyzer/release PHONY
 
 #***********************************************************************
-# advanced: generic extra target
+# advanced: generic eXtra target
 #***********************************************************************
 
 # usage:
@@ -201,16 +251,19 @@ ifneq ($(CC),)
 ifneq ($(CXX),)
 
 UPX_XTARGET := $(UPX_XTARGET)
-build/xtarget/$(UPX_XTARGET)/debug:   PHONY; $(call run_config_and_build,$@,Debug)
+build/$(UPX_XTARGET)/debug:   PHONY; $(call run_config_and_build,$@,Debug)
-build/xtarget/$(UPX_XTARGET)/release: PHONY; $(call run_config_and_build,$@,Release)
+build/$(UPX_XTARGET)/release: PHONY; $(call run_config_and_build,$@,Release)
-build/xtarget/$(UPX_XTARGET)/%: export CC
+build/$(UPX_XTARGET)/%: export CC  := $(CC)
-build/xtarget/$(UPX_XTARGET)/%: export CXX
+build/$(UPX_XTARGET)/%: export CXX := $(CXX)
 # shortcuts
-xtarget/all:     xtarget/debug xtarget/release
+xtarget/all:     xtarget/debug xtarget/release PHONY
-xtarget/debug:   build/xtarget/$(UPX_XTARGET)/debug
+xtarget/debug:   build/$(UPX_XTARGET)/debug PHONY
-xtarget/release: build/xtarget/$(UPX_XTARGET)/release
+xtarget/release: build/$(UPX_XTARGET)/release PHONY
+xtarget/all+test:     xtarget/debug+test xtarget/release+test PHONY
+xtarget/debug+test:   build/$(UPX_XTARGET)/debug+test PHONY
+xtarget/release+test: build/$(UPX_XTARGET)/release+test PHONY
 # set new default
-.DEFAULT_GOAL = xtarget/release
+.DEFAULT_GOAL := build/$(UPX_XTARGET)/release
 
 endif
 endif
@@ -218,28 +271,51 @@ endif
 
 #***********************************************************************
 # assemble cmake config flags; useful for CI jobs
-#***********************************************************************
+#
-
-ifneq ($(origin UPX_CMAKE_CONFIG_FLAGS),command line) # needed to work around a GNU make bug
-
 # info: by default CMake only honors the CC and CXX environment variables; make
 # it easy to set other variables like CMAKE_AR or CMAKE_RANLIB
-__add_cmake_config = $(and $($1),-D$1="$($1)")
+#***********************************************************************
-# pass common CMake settings from environment/make to cmake
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_AR)
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_NM)
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_RANLIB)
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_OBJCOPY)
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_OBJDUMP)
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_STRIP)
-# pass UPX config options from environment/make to cmake; see CMakeLists.txt
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_GITREV)
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_SANITIZE)
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_WSTRICT)
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_WERROR)
-build/%: UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_SELF_PACK_TEST)
 
-endif # bug work-around
+$(call check_undefined,__add_cmake_config)
+# promote an environment or Make variable to a CMake cache entry:
+__add_cmake_config = $(and $($1),-D$1="$($1)")
+
+# pass common CMake settings
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_VERBOSE_MAKEFILE)
+# pass common CMake toolchain settings
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_ADDR2LINE)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_AR)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_DLLTOOL)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_LINKER)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_NM)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_OBJCOPY)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_OBJDUMP)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_RANLIB)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_READELF)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_STRIP)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_TAPI)
+# pass common CMake LTO toolchain settings
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_C_COMPILER_AR)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_C_COMPILER_RANLIB)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_CXX_COMPILER_AR)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_CXX_COMPILER_RANLIB)
+# pass common CMake cross compilation settings
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_SYSTEM_NAME)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_SYSTEM_PROCESSOR)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_CROSSCOMPILING_EMULATOR)
+# pass UPX config options; see CMakeLists.txt
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_GITREV)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_SANITIZE)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_WERROR)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_WSTRICT)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_SELF_PACK_TEST)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS)
+# pass UPX extra compile options; see CMakeLists.txt
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_EXTRA_COMPILE_OPTIONS_BZIP2)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_EXTRA_COMPILE_OPTIONS_UCL)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_EXTRA_COMPILE_OPTIONS_UPX)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_EXTRA_COMPILE_OPTIONS_ZLIB)
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_EXTRA_COMPILE_OPTIONS_ZSTD)
 
 #***********************************************************************
 # check git submodules
@@ -247,5 +323,7 @@ endif # bug work-around
 
 SUBMODULES = doctest lzma-sdk ucl valgrind zlib
 
-dummy := $(foreach m,$(SUBMODULES),$(if $(wildcard vendor/$m/[CL]*),$m,\
+$(foreach 1,$(SUBMODULES),$(if $(wildcard vendor/$1/[CL]*),,\
-    $(error ERROR: missing git submodule '$m'; run 'git submodule update --init')))
+    $(error ERROR: missing git submodule '$1'; run 'git submodule update --init')))
+
+endif # UPX_MAKEFILE_EXTRA_MK_INCLUDED

misc/podman/cross-compile-upx-ubuntu/10-create-image.sh

@@ -1,19 +0,0 @@
-#! /usr/bin/env bash
-## vim:set ts=4 sw=4 et:
-set -e; set -o pipefail
-argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
-
-# create the image from Dockerfile
-# using a rootless Podman container
-
-# NOTE: this image is based on rebuild-stubs/upx-stubtools-20221212-v6,
-#   so you have to create that image first
-# WARNING: we install many packages, so the resulting image needs A LOT of disk space!
-image=upx-cross-compile-ubuntu2204-20230721-v1
-[[ $1 == --print-image ]] && echo "$image" && exit 0
-
-podman build -t "$image" -f "$argv0dir/Dockerfile" "$argv0dir"
-
-podman image list "$image"
-echo
-podman image tree "$image"

misc/podman/cross-compile-upx-ubuntu/11-list-packages.sh

@@ -1,40 +0,0 @@
-#! /usr/bin/env bash
-## vim:set ts=4 sw=4 et:
-set -e; set -o pipefail
-argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
-
-# list all system packages that are installed in the image
-# using a rootless Podman container
-
-image="$("$argv0dir/10-create-image.sh" --print-image)"
-
-podman image list "$image"
-echo
-podman image tree "$image"
-
-echo 'Packages:'
-flags=( --read-only --rm --pull=never )
-flags+=( --cap-drop=all )               # drop all capabilities
-flags+=( --network=none )               # no network needed
-podman run "${flags[@]}" "$image" bash -c $'dpkg -l | sed \'s/ *$//\' | LC_ALL=C sort'
-
-echo
-echo 'Packages sorted by Installed-Size:'
-podman run "${flags[@]}" "$image" bash -c $'awk \'
-BEGIN {
-    arch = "UNKNOWN"; size = 0; package = "UNKNOWN";
-}
-{
-    if ($1 == "Architecture:") arch = $2;
-    if ($1 == "Installed-Size:") size = $2;
-    if ($1 == "Package:") package = $2;
-    if ($1 == "") {
-        printf("%9d %-40s %s\\n", size, package, arch);
-        count += 1; total += size;
-        arch = "UNKNOWN"; size = 0; package = "UNKNOWN";
-    }
-}
-END {
-    printf("%9d ===== TOTAL (%d packages)\\n", total, count);
-}
-\' /var/lib/dpkg/status | LC_ALL=C sort -rn'

misc/podman/cross-compile-upx-ubuntu/20-image-run-shell.sh

@@ -1,60 +0,0 @@
-#! /usr/bin/env bash
-## vim:set ts=4 sw=4 et:
-set -e; set -o pipefail
-argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
-
-# run an interactive shell in the image
-# using a rootless Podman container
-
-image="$("$argv0dir/10-create-image.sh" --print-image)"
-
-flags=( --read-only --rm --pull=never )
-flags+=( --cap-drop=all )               # drop all capabilities
-flags+=( --network=none )               # no network needed
-flags+=( -ti -e TERM="$TERM" )          # allocate an interactive pseudo-tty and pass $TERM
-if [[ 1 == 1 ]]; then
-    # run as user upx 2000:2000
-    flags+=( --user 2000 )
-    # map container users 0..999 to subuid-users 1..1000, and map container user 2000 to current host user
-    flags+=( --uidmap=0:1:1000 --uidmap=2000:0:1 )
-    # map container groups 0..999 to subgid-groups 1..1000, and map container group 2000 to current host group
-    flags+=( --gidmap=0:1:1000 --gidmap=2000:0:1 )
-    # NOTE: we mount the upx top-level directory read-write under /home/upx/src/upx
-    # INFO: SELinux users *may* have to add ":z" to the volume mount flags; check the docs!
-    flags+=( -v "${argv0dir}/../../..:/home/upx/src/upx" )
-    flags+=( -w /home/upx/src/upx )     # set working directory
-    flags+=( --tmpfs /home/upx/.cache:rw,exec ) # mount a writeable tmpfs
-    flags+=( --tmpfs /home/upx/.local:rw,exec ) # mount a writeable tmpfs
-else
-    # run as user root 0:0
-    # ONLY FOR DEBUGGING THE IMAGE
-    # map container user/group 0 to current host user/group
-    flags+=( --user 0 )
-fi
-
-if [[ $# == 0 ]]; then
-    podman run "${flags[@]}" "$image" bash -l
-else
-    podman run "${flags[@]}" "$image" "$@"
-fi
-
-# now we can cross-compile UPX for Windows:
-#   cd /home/upx/src/upx
-#   rm -rf ./build/extra/cross-windows-mingw64/release
-#   make build/extra/cross-windows-mingw64/release
-
-# and we can run the clang Static Analyzer (scan-build)
-#   cd /home/upx/src/upx
-#   rm -rf ./build/extra/scan-build/release
-#   make build/extra/scan-build/release
-
-# and lots of other cross-compilers are installed; see "ls /usr/bin/*g++*"
-
-# and finally see
-#   ./misc/podman/cross-compile-upx-ubuntu/build-all-inside-container.sh
-# after running that script we can do cool things like:
-#   cd /home/upx/src/upx/build/cross-compile-upx-ubuntu2204/alpha-linux-gnu/debug
-#   qemu-alpha -L /usr/alpha-linux-gnu ./upx --version
-#   cd /home/upx/src/upx/build/cross-compile-upx-ubuntu2204/hppa-linux-gnu/debug
-#   qemu-hppa -L /usr/hppa-linux-gnu ./upx --version
-# (similar for many other architectures/builds)

misc/podman/cross-compile-upx-ubuntu/Dockerfile

@@ -1,54 +0,0 @@
-# NOTE: this image is based on rebuild-stubs/upx-stubtools-20221212-v6,
-#   so you have to create that image first
-# WARNING: we install many packages, so the resulting image needs A LOT of disk space!
-FROM localhost/upx-stubtools-20221212-v6
-ENV UPX_CONTAINER_IMAGE_NAME=upx-cross-compile-ubuntu2204-20230721-v1
-ARG DEBIAN_FRONTEND=noninteractive
-
-USER root
-
-# Ubuntu 22.04
-RUN apt-get update && apt-get upgrade -y \
-    && apt-get install -y \
-        # Linux glibc cross compilers
-        g++-aarch64-linux-gnu \
-        g++-alpha-linux-gnu \
-        g++-arm-linux-gnueabi \
-        g++-arm-linux-gnueabihf \
-        g++-hppa-linux-gnu \
-        g++-i686-linux-gnu \
-        g++-m68k-linux-gnu \
-        g++-mips-linux-gnu \
-        g++-mipsel-linux-gnu \
-        g++-mips64-linux-gnuabi64 \
-        g++-mips64el-linux-gnuabi64 \
-        g++-powerpc-linux-gnu \
-        g++-powerpc64-linux-gnu \
-        g++-powerpc64le-linux-gnu \
-        g++-riscv64-linux-gnu \
-        g++-s390x-linux-gnu \
-        g++-sh4-linux-gnu \
-        g++-sparc64-linux-gnu \
-        # Linux glibc cross compilers - ILP32 on 64-bit CPUs
-        g++-x86-64-linux-gnux32 \
-        # Windows cross compilers
-        g++-mingw-w64-i686 \
-        g++-mingw-w64-x86-64 \
-    && true
-RUN apt-get install -y \
-        # clang-14 and tools
-        clang-14 clang-format-14 clang-tidy-14 clang-tools-14 lldb-14 llvm-14 \
-        # QEMU and Wine
-        qemu-system qemu-user wine wine32:i386 wine64 \
-        # misc
-        gdb lsb-release valgrind \
-    && true
-RUN cd /usr/bin \
-    # create unversioned clang symlinks in /usr/local/bin
-    && for f in clang*-14 llvm-*-14 scan-*-14; do ln -s -v ../../bin/$f /usr/local/bin/${f%-14}; done \
-    && ln -s -v ../../bin/obj2yaml-14 /usr/local/bin/llvm-obj2yaml \
-    && ln -s -v ../../bin/yaml2obj-14 /usr/local/bin/llvm-yaml2obj \
-    && true
-
-# switch back to default user upx:upx 2000:2000
-USER upx

misc/podman/cross-compile-upx-ubuntu/build-all-inside-container.sh

@@ -1,99 +0,0 @@
-#! /usr/bin/env bash
-## vim:set ts=4 sw=4 et:
-set -e; set -o pipefail
-argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
-
-# build UPX for 21 targets; must be run inside the container!
-# using a rootless Podman container
-
-# simple sanity check that we are indeed running inside the container
-if [[ $UPX_CONTAINER_IMAGE_NAME != upx-cross-compile-* ]]; then
-    echo "$argv0: NOTE: please run this script *inside* the container"
-    exit 1
-fi
-
-# go to upx top-level directory
-cd "$argv0dir/../../.." || exit 1
-pwd
-test -f doc/upx.pod   || exit 1 # sanity check
-test -f src/version.h || exit 1 # sanity check
-
-function run_config_and_build {
-    # requires: AR CC CXX RANLIB
-    local toolchain=$1
-    local cmake_config_flags build_type bdir
-    # cmake flags
-    cmake_config_flags=
-    case $toolchain in
-        # these old architectures do not support sanitize
-        alpha-linux-gnu) cmake_config_flags=-DUPX_CONFIG_DISABLE_SANITIZE=ON ;;
-        hppa-linux-gnu) cmake_config_flags=-DUPX_CONFIG_DISABLE_SANITIZE=ON ;;
-        # avoid sanitize link errors with current MinGW-w64 versions; link libstdc++ statically
-        i686-w64-mingw32)
-            cmake_config_flags=-DUPX_CONFIG_DISABLE_SANITIZE=ON
-            CC="$CC -static"; CXX="$CXX -static" ;;
-        x86_64-w64-mingw32)
-            cmake_config_flags=-DUPX_CONFIG_DISABLE_SANITIZE=ON
-            CC="$CC -static"; CXX="$CXX -static" ;;
-        # avoid warnings about arm libstdc++ ABI change in gcc-7
-        arm-linux-*) CXX="$CXX -Wno-psabi" ;;
-    esac
-    if [[ 1 == 1 ]]; then
-        # prefer building with Ninja (ninja-build)
-        cmake_config_flags="$cmake_config_flags -G Ninja -DUPX_CONFIG_CMAKE_DISABLE_INSTALL=ON"
-    fi
-    # for all build types
-    for build_type in Debug Release; do
-        bdir="build/cross-compile-upx-ubuntu2204/$toolchain/${build_type,,}"
-        mkdir -p "$bdir"
-        # run_config
-        if [[ ! -f $bdir/CMakeCache.txt ]]; then
-            export CMAKE_REQUIRED_QUIET=OFF
-            cmake -S . -B "$bdir" -DCMAKE_BUILD_TYPE=$build_type -DCMAKE_AR="$AR" -DCMAKE_RANLIB="$RANLIB" $cmake_config_flags
-        fi
-        # run_build
-        cmake --build "$bdir" --config $build_type --parallel
-    done
-}
-
-# see Dockerfile for packages
-for package in \
-        g++-aarch64-linux-gnu \
-        g++-alpha-linux-gnu \
-        g++-arm-linux-gnueabi \
-        g++-arm-linux-gnueabihf \
-        g++-hppa-linux-gnu \
-        g++-i686-linux-gnu \
-        g++-m68k-linux-gnu \
-        g++-mips-linux-gnu \
-        g++-mipsel-linux-gnu \
-        g++-mips64-linux-gnuabi64 \
-        g++-mips64el-linux-gnuabi64 \
-        g++-powerpc-linux-gnu \
-        g++-powerpc64-linux-gnu \
-        g++-powerpc64le-linux-gnu \
-        g++-riscv64-linux-gnu \
-        g++-s390x-linux-gnu \
-        g++-sh4-linux-gnu \
-        g++-sparc64-linux-gnu \
-        g++-x86-64-linux-gnux32 \
-        g++-mingw-w64-i686 \
-        g++-mingw-w64-x86-64
-do
-    # setup toolchain and environment variables
-    toolchain=$package
-    toolchain=${toolchain/-x86-64/-x86_64}
-    toolchain=${toolchain/g++-/}
-    case $toolchain in
-        mingw-w64-i686) toolchain=i686-w64-mingw32 ;;
-        mingw-w64-x86_64) toolchain=x86_64-w64-mingw32 ;;
-    esac
-    echo "========== $toolchain"
-    export AR=/usr/bin/${toolchain}-ar
-    export CC=/usr/bin/${toolchain}-gcc
-    export CXX=/usr/bin/${toolchain}-g++
-    export RANLIB=/usr/bin/${toolchain}-ranlib
-    ls -l "$AR" "$CC" "$CXX" "$RANLIB"
-    run_config_and_build $toolchain
-    unset AR CC CXX RANLIB
-done

misc/podman/rebuild-stubs/10-create-image.sh

@@ -5,8 +5,9 @@ argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
 
 # create the image from Dockerfile
 # using a rootless Podman container
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
 
-image=upx-stubtools-20221212-v6
+image=upx-stubtools-20240405-v1
 [[ $1 == --print-image ]] && echo "$image" && exit 0
 
 podman build -t "$image" -f "$argv0dir/Dockerfile" "$argv0dir"

misc/podman/rebuild-stubs/11-list-packages.sh

@@ -5,6 +5,7 @@ argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
 
 # list all system packages that are installed in the image
 # using a rootless Podman container
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
 
 image="$("$argv0dir/10-create-image.sh" --print-image)"
 

misc/podman/rebuild-stubs/20-image-run-shell.sh

@@ -5,6 +5,7 @@ argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
 
 # run an interactive shell in the image
 # using a rootless Podman container
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
 
 image="$("$argv0dir/10-create-image.sh" --print-image)"
 
@@ -24,6 +25,7 @@ if [[ 1 == 1 ]]; then
     flags+=( -v "${argv0dir}/../../..:/home/upx/src/upx" )
     flags+=( -w /home/upx/src/upx )              # set working directory
     flags+=( --tmpfs /home/upx/.cache:rw,exec )  # mount a writeable tmpfs
+    flags+=( --tmpfs /home/upx/.config:rw,exec ) # mount a writeable tmpfs
     flags+=( --tmpfs /home/upx/.local:rw,exec )  # mount a writeable tmpfs
 else
     # run as user root 0:0

misc/podman/rebuild-stubs/30-rebuild-stubs.sh

@@ -0,0 +1,42 @@
+#! /usr/bin/env bash
+## vim:set ts=4 sw=4 et:
+set -e; set -o pipefail
+argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
+
+# rebuild stubs from source code
+#   (also see 20-image-run-shell.sh for more container usage examples)
+# using a rootless Podman container
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+
+image="$("$argv0dir/10-create-image.sh" --print-image)"
+
+flags=( --read-only --rm --pull=never )
+flags+=( --cap-drop=all )               # drop all capabilities
+flags+=( --network=none )               # no network needed
+if [[ 1 == 1 ]]; then
+    # run as user upx 2000:2000
+    flags+=( --user 2000 )
+    # map container users 0..999 to subuid-users 1..1000, and map container user 2000 to current host user
+    flags+=( --uidmap=0:1:1000 --uidmap=2000:0:1 )
+    # map container groups 0..999 to subgid-groups 1..1000, and map container group 2000 to current host group
+    flags+=( --gidmap=0:1:1000 --gidmap=2000:0:1 )
+    # NOTE: we mount the upx top-level directory read-write under /home/upx/src/upx
+    # INFO: SELinux users *may* have to add ":z" to the volume mount flags; check the docs!
+    flags+=( -v "${argv0dir}/../../..:/home/upx/src/upx" )
+fi
+
+podman run "${flags[@]}" "$image" bash -c $'
+set -ex; set -o pipefail
+cd /home/upx/src/upx
+# check whitespace
+[[ -d .git ]] && bash ./misc/scripts/check_whitespace_git.sh
+# rebuild docs
+make -C doc clean all
+# rebuild stubs
+cd /home/upx/src/upx/src/stub
+make maintainer-clean extra-clean
+git status . || true # make sure the stub files got deleted
+make extra-all all
+echo "===== Rebuilt stubs. All done. ====="
+exit 0
+'

misc/podman/rebuild-stubs/Dockerfile

@@ -1,5 +1,6 @@
-FROM docker.io/library/ubuntu:22.04
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-ENV UPX_CONTAINER_IMAGE_NAME=upx-stubtools-20221212-v6
+FROM docker.io/library/ubuntu:24.04
+ENV UPX_CONTAINER_IMAGE_NAME=upx-stubtools-20240405-v1
 ARG DEBIAN_FRONTEND=noninteractive
 ENV LANG=C.UTF-8
 
@@ -7,21 +8,35 @@ ENV LANG=C.UTF-8
 RUN dpkg --add-architecture i386 \
     && apt-get update && apt-get upgrade -y \
     && apt-get install -y --no-install-recommends \
-        aria2 bash bash-completion ca-certificates dash git less libmpc3 libncurses5 \
+        aria2 bash bash-completion ca-certificates curl git less libmpc3 \
-        make ncurses-term perl-base python2-minimal time wget xz-utils \
+        make ncurses-term perl-base tar time wget xz-utils \
         libc6:i386 zlib1g:i386 \
         # the following packages are not required for rebuilding the stubs, but
         # they do make the image *much* more convenient and also allow building
         # the full UPX binary inside the container via CMake:
-        7zip bfs busybox bzip2 cabextract ccache chrpath cmake cpio curl elfutils fd-find file fzf \
+        7zip bfs bubblewrap busybox bzip2 bzip3 cabextract ccache chrpath cmake cpio dash diffstat \
-        g++ gawk gdb gojq ht htop hyperfine jq libzstd-dev lsb-release lz4 lzip lzop \
+        elfutils execstack fd-find file fish fzf g++ gawk gdb gojq ht htop hyperfine jq ksh \
-        mksh moreutils ninja-build p7zip parallel patch patchelf pax-utils paxctl \
+        libzstd-dev lsb-release lz4 lzip lzop minify mksh moreutils musl neovim ninja-build \
-        python3 python3-pyasn1 python3-pycryptodome python3-zstd \
+        p7zip parallel patch patchelf patchutils pax-utils proot \
-        re2c ripgrep rsync screen universal-ctags unzip vim yash zip zlib1g-dev zsh zstd \
+        python3 python3-pyasn1 python3-pycryptodome python3-pycurl python3-toml python3-yaml python3-zstd \
-        # extra packages for compiling with "gcc -m32" and and "gcc -mx32":
+        re2c ripgrep rsync screen strace universal-ctags unzip valgrind yash yq \
+        zip zlib1g-dev zoxide zsh zstd \
+        # extra packages for compiling with "gcc -m32" and "gcc -mx32":
         g++-multilib gcc-multilib \
     && true
 
+# install python2-minimal packages from Debian-11; REQUIRED
+RUN cd /root \
+    && aria2c --checksum=sha-256=85833c92314011b89bbead6f9a5a7a360b5ee4f9b95e001225afead4ebf9f7d3 \
+              'https://ftp.debian.org/debian/pool/main/p/python2.7/libpython2.7-minimal_2.7.18-8+deb11u1_amd64.deb' \
+    && aria2c --checksum=sha-256=44f0cdc1a343303d31c55fcb3a6402cfe326adf749ec30e375e6e0c0c5f7c1f7 \
+              'https://ftp.debian.org/debian/pool/main/p/python2.7/python2.7-minimal_2.7.18-8+deb11u1_amd64.deb' \
+    && dpkg -i ./*.deb \
+    && rm ./*.deb \
+    && if ! test -f /usr/bin/python2; then ln -s -v python2.7 /usr/bin/python2; fi \
+    && ldconfig \
+    && true
+
 # manually unpack and install compat libs from Ubuntu-16.04; REQUIRED
 RUN cd /root \
     && aria2c --checksum=sha-256=de22baf3dd851a10e16fbf66a243e70149ca46e06b2939fdc79429196cefc090 \
@@ -45,21 +60,39 @@ RUN cd /root \
 # install official UPX release binaries into /usr/local/bin; not required but convenient for testing
 RUN cd /root \
     && wget -q https://github.com/upx/upx/releases/download/v3.91/upx-3.91-amd64_linux.tar.bz2 \
-    && for v in 3.92 3.93 3.94 3.95 3.96 4.0.0 4.0.1 4.0.2 4.1.0 4.2.0; do wget -q https://github.com/upx/upx/releases/download/v${v}/upx-${v}-amd64_linux.tar.xz; done \
+    && xzversions="3.92 3.93 3.94 3.95 3.96 4.0.0 4.0.1 4.0.2 4.1.0 4.2.0 4.2.1 4.2.2 4.2.3" \
+    && for v in $xzversions; do wget -q https://github.com/upx/upx/releases/download/v${v}/upx-${v}-amd64_linux.tar.xz; done \
     && for f in ./upx-*.tar.*; do tar -xoaf $f; done \
-    && for v in 3.91 3.92 3.93 3.94 3.95 3.96 4.0.0 4.0.1 4.0.2 4.1.0 4.2.0; do d=upx-${v}-amd64_linux; ./$d/upx -qq -d $d/upx -o /usr/local/bin/upx-${v}; done \
+    && for v in 3.91 $xzversions; do d=upx-${v}-amd64_linux; ./$d/upx -qq -d $d/upx -o /usr/local/bin/upx-${v}; done \
     && rm -r ./upx-*.tar.* ./upx-*linux \
     && true
 
-# create default user upx:upx 2000:2000
+# create default container user upx:upx 2000:2000
 RUN useradd upx -U --uid 2000 --shell /bin/bash -m \
     && cd /home/upx && chmod 00700 . \
-    # prepare ~/.cache and ~/.local for possible tmpfs mounts
+    # prepare ~/.cache, ~/.config and ~/.local for possible tmpfs mounts
     && mkdir -p .cache/tmp .local/bin src/upx \
-    && for d in ccache fontconfig go-build mesa_shader_cache tmp wine zig; do mkdir -p .cache/$d; done \
+    && for d in ccache fontconfig go-build mesa_shader_cache parallel tmp wine zig; do mkdir -p .cache/$d; done \
+    && for d in fish git helix kak nvim; do mkdir -p .config/$d; done \
     && for d in bin include lib share state; do mkdir -p .local/$d; done \
     && ln -s .cache/wine .wine && ln -s .cache/tmp tmp \
+    # symlink upx-stubtools
     && ln -s /usr/local/bin/bin-upx-20221212 .local/bin/bin-upx \
+    # some convenience settings according to upx developer preferences
+    && echo "alias md=mkdir" >> .bashrc \
+    && echo "alias rd=rmdir" >> .bashrc \
+    && echo 'mdd() { mkdir "$1" && cd "$1"; }' >> .bashrc \
+    && echo 'm() { make "$@"; }' >> .bashrc \
+    && echo 'tn() { time nice "$@"; }' >> .bashrc \
+    && echo 'tnm() { time nice make "$@"; }' >> .bashrc \
+    && echo 'tnmm() { time nice make -j "$@"; }' >> .bashrc \
+    && echo 'source /usr/share/bash-completion/completions/make' >> .bashrc \
+    && echo 'complete -F _make m tnm tnmm' >> .bashrc \
+    && echo 'eval "$(zoxide init bash)"' >> .bashrc \
+    && echo "alias zz=zi\nalias y=z\nalias yy=zi" >> .bashrc \
+    && echo "alias cd..='cd ..'" >> .bashrc \
+    && echo "alias ..='cd ..'" >> .bashrc \
+    && echo "alias .='cd ..'" >> .bashrc \
     && chown -R upx:upx . \
     && true
 USER upx

misc/scripts/build_upx_by_hand.sh

@@ -1,134 +0,0 @@
-#! /bin/sh
-## vim:set ts=4 sw=4 et:
-set -e
-
-#
-# build UPX "by hand", using a POSIX-compliant shell and
-# a minimal number of compilation flags
-# Copyright (C) Markus Franz Xaver Johannes Oberhumer
-#
-
-# uses optional environment variables: AR, CC, CXX, OPTIMIZE, VERBOSE, top_srcdir
-
-# shell init
-### set -x # enable logging
-DUALCASE=1; export DUALCASE # for MKS sh
-test -n "${ZSH_VERSION+set}" && emulate sh # for zsh
-my_argv0="$0"
-
-# toolchain settings and compilation flags
-AR="${AR:-ar}"
-CC="${CC:-cc}"
-CXX="${CXX:-c++ -std=gnu++17}"
-# HINT: use "export AR=false" if "$AR rcs" does not work on your system; see below
-if test "x$AR" = "x0" || test "x$AR" = "xfalse" || test "x$AR" = "x/bin/false"; then
-    AR="" # do not use $AR
-fi
-# protect against security threats caused by misguided compiler "optimizations"
-mandatory_flags="-fno-strict-aliasing -fno-strict-overflow -funsigned-char"
-# not mandatory but good practice when using <windows.h>:
-mandatory_flags="$mandatory_flags -DWIN32_LEAN_AND_MEAN"
-if test "x$OPTIMIZE" != "x" && test "x$OPTIMIZE" != "x0"; then
-    # not mandatory and not minimal, but usually a good idea:
-    mandatory_flags="-Wall -O2 $mandatory_flags"
-fi
-CC="$CC $mandatory_flags"
-CXX="$CXX $mandatory_flags"
-
-# go to upx top-level directory
-# HINT: set "top_srcdir" manually if your system does not have "readlink"
-if test "x$top_srcdir" = "x"; then
-    my_argv0abs="$(readlink -fn "$my_argv0")"
-    test "x$my_argv0abs" = "x" && exit 1
-    my_argv0dir="$(dirname "$my_argv0abs")"
-    test "x$my_argv0dir" = "x" && exit 1
-    cd "$my_argv0dir/../.." || exit 1
-else
-    cd "$top_srcdir" || exit 1
-fi
-top_srcdir="$(pwd)"             # absolute
-rel_top_srcdir=.                # relative top_srcdir
-echo "# current directory: '$(pwd)'"
-test -f doc/upx.pod   || exit 1 # sanity check
-test -f src/version.h || exit 1 # sanity check
-rm -rf ./build/by-hand          # WARNING: existing build-directory gets deleted!
-
-# helper function
-run() {
-    if test 0 = 1; then
-        # DEBUG dry-run: print command, but don't actually run unless $1 is "+"
-        if test "x$1" = "x+"; then
-            shift; echo "$@"; "$@"; return
-        fi
-        shift; echo "$@"; return
-    fi
-    # print short info and run command
-    test "x$1" != "x" && test "x$1" != "x+" && echo "$1"
-    shift
-    if test "x$VERBOSE" != "x" && test "x$VERBOSE" != "x0"; then
-        # print full command
-        echo "  $@"
-    fi
-    "$@"
-}
-
-# helper function
-check_submodule() {
-    #local ff # "local" seems unsupported by some versions of ksh
-    for ff in COPYING LICENSE LICENSE.txt; do
-        if test -f "$rel_top_srcdir/vendor/$1/$ff"; then
-            # create and enter build directory; updates global $rel_top_srcdir
-            run "+" cd "$rel_top_srcdir" || exit 1
-            rel_top_srcdir=.
-            echo "#==== build $1 ====="
-            run "+" mkdir "build/by-hand/$1"
-            run "+" cd "build/by-hand/$1" || exit 1
-            rel_top_srcdir=../../..
-            return 0
-        fi
-    done
-    return 1
-}
-
-# build
-run "+" mkdir -p "build/by-hand"
-if check_submodule bzip2; then
-    for f in "$rel_top_srcdir"/vendor/bzip2/*.c; do
-        run "CC  $f" $CC -c "$f"
-    done
-fi
-if check_submodule ucl; then
-    for f in "$rel_top_srcdir"/vendor/ucl/src/*.c; do
-        run "CC  $f" $CC -I"$rel_top_srcdir"/vendor/ucl/include -I"$rel_top_srcdir"/vendor/ucl -c "$f"
-    done
-fi
-if check_submodule zlib; then
-    for f in "$rel_top_srcdir"/vendor/zlib/*.c; do
-        run "CC  $f" $CC -DHAVE_UNISTD_H -DHAVE_VSNPRINTF -c "$f"
-    done
-fi
-if check_submodule zstd; then
-    for f in "$rel_top_srcdir"/vendor/zstd/lib/*/*.c; do
-        run "CC  $f" $CC -DDYNAMIC_BMI2=0 -DZSTD_DISABLE_ASM -c "$f"
-    done
-fi
-run "+" cd "$rel_top_srcdir" || exit 1
-rel_top_srcdir=.
-echo "#==== build UPX ====="
-run "+" cd "build/by-hand" || exit 1
-rel_top_srcdir=../..
-for f in "$rel_top_srcdir"/src/*.cpp "$rel_top_srcdir"/src/*/*.cpp; do
-    run "CXX $f"     $CXX -I"$rel_top_srcdir"/vendor -c "$f"
-done
-# echo "#==== link UPX ====="
-if test "x$AR" = "x"; then
-    # link without using $AR
-    run "CXX upx"    $CXX -o upx *.o */*.o
-else
-    run "AR  libupx" $AR rcs libupx_submodules.a */*.o
-    run "CXX upx"    $CXX -o upx *.o -L. -lupx_submodules
-fi
-echo "# current directory: '$(pwd)'"
-ls -l upx*
-
-echo "# All done."

misc/scripts/readlink-en.py

@@ -0,0 +1,17 @@
+#! /usr/bin/env python3
+## vim:set ts=4 sw=4 et: -*- coding: utf-8 -*-
+
+# simulate "readlink -en FILE"
+# - result may differ from actual readlink(1) for edge cases
+# - works with Python2 and Python3
+#
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+
+import os, sys
+if len(sys.argv) != 2:
+    sys.exit(1)
+real_path = os.path.realpath(sys.argv[1])
+if not os.path.exists(real_path):
+    sys.exit(1)
+sys.stdout.write(real_path)
+sys.stdout.flush()

misc/scripts/readlink-fn.py

@@ -0,0 +1,15 @@
+#! /usr/bin/env python3
+## vim:set ts=4 sw=4 et: -*- coding: utf-8 -*-
+
+# simulate "readlink -fn FILE" for systems that lack it (e.g. macOS-11)
+# - result may differ from actual readlink(1) for edge cases
+# - works with Python2 and Python3
+#
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+
+import os, sys
+if len(sys.argv) != 2:
+    sys.exit(1)
+real_path = os.path.realpath(sys.argv[1])
+sys.stdout.write(real_path)
+sys.stdout.flush()

misc/scripts/run_cmake_config.sh

@@ -0,0 +1,42 @@
+#! /usr/bin/env bash
+## vim:set ts=4 sw=4 et:
+set -e; set -o pipefail
+
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+# assemble cmake config flags; useful for CI jobs
+# also see misc/make/Makefile-extra.mk
+
+cmake_config_flags=()
+
+# promote an environment variable to a CMake cache entry:
+__add_cmake_config() {
+    [[ -z "${!1}" ]] || cmake_config_flags+=( -D$1="${!1}" )
+}
+
+# pass common CMake settings
+for v in CMAKE_VERBOSE_MAKEFILE; do
+    __add_cmake_config $v
+done
+# pass common CMake toolchain settings
+for v in CMAKE_ADDR2LINE CMAKE_AR CMAKE_DLLTOOL CMAKE_LINKER CMAKE_NM CMAKE_OBJCOPY CMAKE_OBJDUMP CMAKE_RANLIB CMAKE_READELF CMAKE_STRIP CMAKE_TAPI; do
+    __add_cmake_config $v
+done
+# pass common CMake LTO toolchain settings
+for v in CMAKE_C_COMPILER_AR CMAKE_C_COMPILER_RANLIB CMAKE_CXX_COMPILER_AR CMAKE_CXX_COMPILER_RANLIB; do
+    __add_cmake_config $v
+done
+# pass common CMake cross compilation settings
+for v in CMAKE_SYSTEM_NAME CMAKE_SYSTEM_PROCESSOR CMAKE_CROSSCOMPILING_EMULATOR; do
+    __add_cmake_config $v
+done
+# pass UPX config options; see CMakeLists.txt
+for v in UPX_CONFIG_DISABLE_GITREV UPX_CONFIG_DISABLE_SANITIZE UPX_CONFIG_DISABLE_WERROR UPX_CONFIG_DISABLE_WSTRICT UPX_CONFIG_DISABLE_SELF_PACK_TEST UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS; do
+    __add_cmake_config $v
+done
+# pass UPX extra compile options; see CMakeLists.txt
+for v in UPX_CONFIG_EXTRA_COMPILE_OPTIONS_BZIP2 UPX_CONFIG_EXTRA_COMPILE_OPTIONS_UCL UPX_CONFIG_EXTRA_COMPILE_OPTIONS_UPX UPX_CONFIG_EXTRA_COMPILE_OPTIONS_ZLIB UPX_CONFIG_EXTRA_COMPILE_OPTIONS_ZSTD; do
+    __add_cmake_config $v
+done
+
+exec "${CMAKE:-cmake}" $UPX_CMAKE_CONFIG_FLAGS "${cmake_config_flags[@]}" "$@"
+exit 99

misc/scripts/upx-clang-format.sh

@@ -2,21 +2,23 @@
 ## vim:set ts=4 sw=4 et:
 set -e; set -o pipefail
 
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
 # "Gofmt's style is nobody's favourite, but gofmt is everybody's favourite." --Rob Pike
-
+#
 # NOTE: we are using clang-format-15.0.6 from upx-stubtools
 # see https://github.com/upx/upx-stubtools/releases
-
+#
 # NOTE: we use .clang-format config from upx.git/.clang-format
 
 if [[ ! -f $UPX_CLANG_FORMAT ]]; then
-UPX_CLANG_FORMAT="$HOME/local/bin/bin-upx/clang-format-15.0.6"
+    UPX_CLANG_FORMAT="$HOME/local/bin/bin-upx/clang-format-15.0.6"
 fi
 if [[ ! -f $UPX_CLANG_FORMAT ]]; then
-UPX_CLANG_FORMAT="$HOME/.local/bin/bin-upx/clang-format-15.0.6"
+    UPX_CLANG_FORMAT="$HOME/.local/bin/bin-upx/clang-format-15.0.6"
 fi
 if [[ ! -f $UPX_CLANG_FORMAT ]]; then
-UPX_CLANG_FORMAT="$HOME/bin/bin-upx/clang-format-15.0.6"
+    UPX_CLANG_FORMAT="$HOME/bin/bin-upx/clang-format-15.0.6"
 fi
 if [[ ! -f $UPX_CLANG_FORMAT ]]; then
     echo "ERROR: $0: cannot find clang-format-15.0.6"
@@ -29,4 +31,4 @@ ulimit -v 1048576 || true
 
 #echo $UPX_CLANG_FORMAT
 exec "$UPX_CLANG_FORMAT" -style=file "$@"
-exit 1
+exit 99

misc/testsuite/mimic_ctest.sh

@@ -0,0 +1,166 @@
+#! /usr/bin/env bash
+## vim:set ts=4 sw=4 et:
+set -e; set -o pipefail
+argv0=$0; argv0abs=$(readlink -fn "$argv0"); argv0dir=$(dirname "$argv0abs")
+
+#
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
+# mimic running "ctest", i.e. the "test" section of CMakeLists.txt; does not redirect stdout
+# (allows freely setting $upx_exe_runner, while CMake is restricted to configure-time settings)
+#
+# requires:
+#   $upx_exe                (required, but with convenience fallback "./upx")
+# optional settings:
+#   $upx_exe_runner         (e.g. "qemu-x86_64 -cpu Nehalem" or "valgrind")
+#
+
+#***********************************************************************
+# init & checks
+#***********************************************************************
+
+# upx_exe
+[[ -z $upx_exe && -f ./upx && -x ./upx ]] && upx_exe=./upx # convenience fallback
+if [[ -z $upx_exe ]]; then echo "UPX-ERROR: please set \$upx_exe"; exit 1; fi
+if [[ ! -f $upx_exe ]]; then echo "UPX-ERROR: file '$upx_exe' does not exist"; exit 1; fi
+upx_exe=$(readlink -fn "$upx_exe") # make absolute
+[[ -f $upx_exe ]] || exit 1
+
+# set emu and run_upx
+emu=()
+if [[ -n $upx_exe_runner ]]; then
+    # usage examples:
+    #   export upx_exe_runner="qemu-x86_64 -cpu Nehalem"
+    #   export upx_exe_runner="valgrind --leak-check=no --error-exitcode=1 --quiet"
+    #   export upx_exe_runner="wine"
+    IFS=' ' read -r -a emu <<< "$upx_exe_runner" # split at spaces into array
+elif [[ -n $CMAKE_CROSSCOMPILING_EMULATOR ]]; then
+    IFS=';' read -r -a emu <<< "$CMAKE_CROSSCOMPILING_EMULATOR" # split at semicolons into array
+fi
+run_upx=( "${emu[@]}" "$upx_exe" )
+echo "run_upx='${run_upx[*]}'"
+
+# run_upx sanity check
+if ! "${run_upx[@]}" --version-short >/dev/null; then echo "UPX-ERROR: FATAL: upx --version-short FAILED"; exit 1; fi
+if ! "${run_upx[@]}" -L >/dev/null 2>&1; then echo "UPX-ERROR: FATAL: upx -L FAILED"; exit 1; fi
+if ! "${run_upx[@]}" --help >/dev/null;  then echo "UPX-ERROR: FATAL: upx --help FAILED"; exit 1; fi
+
+#***********************************************************************
+# see CMakeLists.txt
+#
+# IDEA: create a Makefile and use "make -j" so that these tests can
+#   run in parallel much like "ctest --parallel 8"
+#***********************************************************************
+
+# similar to cmake function upx_cache_bool_vars()
+set_cmake_bool_vars() {
+    local default_value="$1"; shift
+    local var_name
+    for var_name do
+        case "${!var_name}" in
+            0 | FALSE | OFF | false | off) eval "export $var_name=OFF" ;;
+            1 | TRUE | ON | true | on) eval "export $var_name=ON" ;;
+            *) eval "export $var_name=$default_value" ;;
+        esac
+    done
+}
+
+set -x
+set_cmake_bool_vars OFF UPX_CONFIG_DISABLE_SELF_PACK_TEST
+set_cmake_bool_vars OFF UPX_CONFIG_DISABLE_RUN_UNPACKED_TEST
+set_cmake_bool_vars OFF UPX_CONFIG_DISABLE_RUN_PACKED_TEST
+if [[ "${emu[0]}" == *valgrind* ]]; then # valgrind is SLOW
+    set_cmake_bool_vars ON  UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS
+else
+    set_cmake_bool_vars OFF UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS
+fi
+
+export UPX="--prefer-ucl --no-color --no-progress"
+export UPX_DEBUG_DISABLE_GITREV_WARNING=1
+export UPX_DEBUG_DOCTEST_DISABLE=1 # already checked above
+
+"${run_upx[@]}" --version
+"${run_upx[@]}" --version-short
+"${run_upx[@]}" --license
+"${run_upx[@]}" --help
+"${run_upx[@]}" --help-short
+"${run_upx[@]}" --help-verbose
+"${run_upx[@]}" --sysinfo
+"${run_upx[@]}" --sysinfo -v
+"${run_upx[@]}" --sysinfo -vv
+
+if [[ $UPX_CONFIG_DISABLE_SELF_PACK_TEST == ON ]]; then
+    echo "Self-pack test disabled. All done."; exit 0
+fi
+
+exe=".out"
+upx_self_exe=$upx_exe
+fo="--force-overwrite"
+
+"${run_upx[@]}" -3               "${upx_self_exe}" ${fo} -o upx-packed${exe}
+"${run_upx[@]}" -3 --all-filters "${upx_self_exe}" ${fo} -o upx-packed-fa${exe}
+"${run_upx[@]}" -3 --no-filter   "${upx_self_exe}" ${fo} -o upx-packed-fn${exe}
+"${run_upx[@]}" -3 --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-fr${exe}
+"${run_upx[@]}" -3 --nrv2b       "${upx_self_exe}" ${fo} -o upx-packed-nrv2b${exe}
+"${run_upx[@]}" -3 --nrv2d       "${upx_self_exe}" ${fo} -o upx-packed-nrv2d${exe}
+"${run_upx[@]}" -3 --nrv2e       "${upx_self_exe}" ${fo} -o upx-packed-nrv2e${exe}
+"${run_upx[@]}" -1 --lzma        "${upx_self_exe}" ${fo} -o upx-packed-lzma${exe}
+
+"${run_upx[@]}" -l         upx-packed${exe} upx-packed-fa${exe} upx-packed-fn${exe} upx-packed-fr${exe} upx-packed-nrv2b${exe} upx-packed-nrv2d${exe} upx-packed-nrv2e${exe} upx-packed-lzma${exe}
+"${run_upx[@]}" --fileinfo upx-packed${exe} upx-packed-fa${exe} upx-packed-fn${exe} upx-packed-fr${exe} upx-packed-nrv2b${exe} upx-packed-nrv2d${exe} upx-packed-nrv2e${exe} upx-packed-lzma${exe}
+"${run_upx[@]}" -t         upx-packed${exe} upx-packed-fa${exe} upx-packed-fn${exe} upx-packed-fr${exe} upx-packed-nrv2b${exe} upx-packed-nrv2d${exe} upx-packed-nrv2e${exe} upx-packed-lzma${exe}
+
+"${run_upx[@]}" -d upx-packed${exe}       ${fo} -o upx-unpacked${exe}
+"${run_upx[@]}" -d upx-packed-fa${exe}    ${fo} -o upx-unpacked-fa${exe}
+"${run_upx[@]}" -d upx-packed-fn${exe}    ${fo} -o upx-unpacked-fn${exe}
+"${run_upx[@]}" -d upx-packed-fr${exe}    ${fo} -o upx-unpacked-fr${exe}
+"${run_upx[@]}" -d upx-packed-nrv2b${exe} ${fo} -o upx-unpacked-nrv2b${exe}
+"${run_upx[@]}" -d upx-packed-nrv2d${exe} ${fo} -o upx-unpacked-nrv2d${exe}
+"${run_upx[@]}" -d upx-packed-nrv2e${exe} ${fo} -o upx-unpacked-nrv2e${exe}
+"${run_upx[@]}" -d upx-packed-lzma${exe}  ${fo} -o upx-unpacked-lzma${exe}
+
+# all unpacked files must be identical
+cmp -s upx-unpacked${exe} upx-unpacked-fa${exe}
+cmp -s upx-unpacked${exe} upx-unpacked-fn${exe}
+cmp -s upx-unpacked${exe} upx-unpacked-fr${exe}
+cmp -s upx-unpacked${exe} upx-unpacked-nrv2b${exe}
+cmp -s upx-unpacked${exe} upx-unpacked-nrv2d${exe}
+cmp -s upx-unpacked${exe} upx-unpacked-nrv2e${exe}
+cmp -s upx-unpacked${exe} upx-unpacked-lzma${exe}
+
+if [[ $UPX_CONFIG_DISABLE_RUN_UNPACKED_TEST != ON ]]; then
+    "${emu[@]}" ./upx-unpacked${exe} --version-short
+fi
+
+if [[ $UPX_CONFIG_DISABLE_RUN_PACKED_TEST != ON ]]; then
+    "${emu[@]}" ./upx-packed${exe}       --version-short
+    "${emu[@]}" ./upx-packed-fa${exe}    --version-short
+    "${emu[@]}" ./upx-packed-fn${exe}    --version-short
+    "${emu[@]}" ./upx-packed-fr${exe}    --version-short
+    "${emu[@]}" ./upx-packed-nrv2b${exe} --version-short
+    "${emu[@]}" ./upx-packed-nrv2d${exe} --version-short
+    "${emu[@]}" ./upx-packed-nrv2e${exe} --version-short
+    "${emu[@]}" ./upx-packed-lzma${exe}  --version-short
+fi
+
+if [[ $UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS != ON ]]; then
+    set +x
+    for method in nrv2b nrv2d nrv2e lzma; do
+        for level in 1 2 3 4 5 6 7; do
+            s="${method}-${level}"
+            echo "========== $s =========="
+            "${run_upx[@]}" -qq --${method} -${level} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe}
+            "${run_upx[@]}" -qq -l upx-packed-${s}${exe}
+            "${run_upx[@]}" -qq --fileinfo upx-packed-${s}${exe}
+            "${run_upx[@]}" -qq -t upx-packed-${s}${exe}
+            "${run_upx[@]}" -qq -d upx-packed-${s}${exe} ${fo} -o upx-unpacked-${s}${exe}
+            cmp -s upx-unpacked${exe} upx-unpacked-${s}${exe}
+            if [[ $UPX_CONFIG_DISABLE_RUN_PACKED_TEST != ON ]]; then
+                "${emu[@]}" ./upx-packed-${s}${exe} --version-short
+            fi
+        done
+    done
+fi
+
+echo "run_upx='${run_upx[*]}'"
+echo "All done."

misc/testsuite/test_symlinks.sh

@@ -3,16 +3,27 @@
 set -e; set -o pipefail
 argv0=$0; argv0abs=$(readlink -fn "$argv0"); argv0dir=$(dirname "$argv0abs")
 
+#
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
+# test file system behaviour with symlinks; requires:
+#   $upx_exe                (required, but with convenience fallback "./upx")
+# optional settings:
+#   $upx_exe_runner         (e.g. "qemu-x86_64 -cpu Nehalem" or "valgrind")
+#   $upx_test_file
+#
+
+# IMPORTANT NOTE: this script only works on Unix
+# IMPORTANT NOTE: do NOT run as user root!
+umask 0022
+
 # disable on macOS for now, see https://github.com/upx/upx/issues/612
 if [[ "$(uname)" == Darwin ]]; then
-    echo "$0: SKIPPED"
+    case "$UPX_DEBUG_FORCE_PACK_MACOS" in
-    exit 0
+        "" | "0") echo "$0: SKIPPED"; exit 0 ;;
+    esac
 fi
 
-# IMPORTANT NOTE: do NOT run as user root!!
-# IMPORTANT NOTE: this script only works on Unix!!
-umask 0022
-
 id || true
 echo "PWD='$PWD'"
 if [[ $UID == 0 || $EUID == 0 ]]; then
@@ -20,11 +31,6 @@ if [[ $UID == 0 || $EUID == 0 ]]; then
     exit 91
 fi
 
-# test file system behaviour with symlinks; requires:
-#   $upx_exe                (required, but with convenience fallback "./upx")
-# optional settings:
-#   $upx_exe_runner         (e.g. "qemu-x86_64 -cpu Westmere" or "valgrind")
-
 #***********************************************************************
 # init & checks
 #***********************************************************************
@@ -35,24 +41,28 @@ if [[ -z $upx_exe ]]; then echo "UPX-ERROR: please set \$upx_exe"; exit 1; fi
 if [[ ! -f $upx_exe ]]; then echo "UPX-ERROR: file '$upx_exe' does not exist"; exit 1; fi
 upx_exe=$(readlink -fn "$upx_exe") # make absolute
 [[ -f $upx_exe ]] || exit 1
-upx_run=()
+
+# set emu and run_upx
+emu=()
 if [[ -n $upx_exe_runner ]]; then
     # usage examples:
-    #   export upx_exe_runner="qemu-x86_64 -cpu Westmere"
+    #   export upx_exe_runner="qemu-x86_64 -cpu Nehalem"
     #   export upx_exe_runner="valgrind --leak-check=no --error-exitcode=1 --quiet"
     #   export upx_exe_runner="wine"
-    IFS=' ' read -r -a upx_run <<< "$upx_exe_runner" # split at spaces into array
+    IFS=' ' read -r -a emu <<< "$upx_exe_runner" # split at spaces into array
+elif [[ -n $CMAKE_CROSSCOMPILING_EMULATOR ]]; then
+    IFS=';' read -r -a emu <<< "$CMAKE_CROSSCOMPILING_EMULATOR" # split at semicolons into array
 fi
-upx_run+=( "$upx_exe" )
+run_upx=( "${emu[@]}" "$upx_exe" )
-echo "upx_run='${upx_run[*]}'"
+echo "run_upx='${run_upx[*]}'"
 
-# upx_run check
+# run_upx sanity check
-if ! "${upx_run[@]}" --version-short >/dev/null; then echo "UPX-ERROR: FATAL: upx --version-short FAILED"; exit 1; fi
+if ! "${run_upx[@]}" --version-short >/dev/null; then echo "UPX-ERROR: FATAL: upx --version-short FAILED"; exit 1; fi
-if ! "${upx_run[@]}" -L >/dev/null 2>&1; then echo "UPX-ERROR: FATAL: upx -L FAILED"; exit 1; fi
+if ! "${run_upx[@]}" -L >/dev/null 2>&1; then echo "UPX-ERROR: FATAL: upx -L FAILED"; exit 1; fi
-if ! "${upx_run[@]}" --help >/dev/null;  then echo "UPX-ERROR: FATAL: upx --help FAILED"; exit 1; fi
+if ! "${run_upx[@]}" --help >/dev/null;  then echo "UPX-ERROR: FATAL: upx --help FAILED"; exit 1; fi
 
 #***********************************************************************
-# util
+# util functions
 #***********************************************************************
 
 exit_code=0
@@ -153,18 +163,7 @@ create_files() {
     chmod -R a-w z_dir_4
 }
 
-#***********************************************************************
+print_header() {
-#
-#***********************************************************************
-
-#set -x # debug
-
-export UPX="--prefer-ucl --no-color --no-progress"
-export UPX_DEBUG_DISABLE_GITREV_WARNING=1
-export UPX_DEBUG_DOCTEST_VERBOSE=0
-export NO_COLOR=1
-
-testsuite_header() {
     local x='==========='; x="$x$x$x$x$x$x$x"
     echo -e "\n${x}\n${1}\n${x}\n"
 }
@@ -179,206 +178,238 @@ leave_dir() {
     cd ..
 }
 
-# create a tmpdir in current directory
+#***********************************************************************
+# setup
+#***********************************************************************
+
+#set -x # debug
+
+export UPX="--prefer-ucl --no-color --no-progress"
+export UPX_DEBUG_DISABLE_GITREV_WARNING=1
+export UPX_DEBUG_DOCTEST_DISABLE=1 # already checked above
+
+# get $test_file
+if [[ -f $upx_test_file ]]; then
+    test_file="$(readlink -fn "$upx_test_file")"
+else
+    for test_file in /usr/bin/gmake /usr/bin/make /usr/bin/env /bin/ls; do
+        if [[ -f $test_file ]]; then
+            test_file="$(readlink -fn "$test_file")"
+            break
+        fi
+    done
+fi
+ls -l "$test_file"
+file "$test_file" || true
+
+# create and enter a tmpdir in the current directory
 tmpdir="$(mktemp -d tmp-upx-test-XXXXXX)"
 cd "./$tmpdir" || exit 1
 
-if [[ -f /bin/ls ]]; then
+#***********************************************************************
-    test_file="$(readlink -fn /bin/ls)"
+# default
-else
+#***********************************************************************
-    test_file="$(readlink -fn /usr/bin/env)"
-fi
 
-testsuite_header "default"
+print_header "default"
-flags="-qq -1 --no-filter"
+flags="-qq -2 --no-filter"
 mkdir default
 cd default
 create_files
 enter_dir z_dir_1
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          || failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          || failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              && failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              && failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      && failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      && failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
 assert_symlink_to_file  z_symlink_file z_symlink_file_link
 assert_symlink_to_dir   z_symlink_dir
 assert_symlink_dangling z_symlink_dangling
 leave_dir
 enter_dir z_dir_2
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          || failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          || failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              && failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              && failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      && failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      && failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
 assert_symlink_to_file  z_symlink_file z_symlink_file_link
 assert_symlink_to_dir   z_symlink_dir
 assert_symlink_dangling z_symlink_dangling
 leave_dir
 enter_dir z_dir_3
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          && failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          && failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              && failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              && failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      && failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      && failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
 assert_symlink_to_file  z_symlink_file z_symlink_file_link
 assert_symlink_to_dir   z_symlink_dir
 assert_symlink_dangling z_symlink_dangling
 leave_dir
 enter_dir z_dir_4
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          && failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          && failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              && failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              && failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      && failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      && failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link && failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
 assert_symlink_to_file  z_symlink_file z_symlink_file_link
 assert_symlink_to_dir   z_symlink_dir
 assert_symlink_dangling z_symlink_dangling
 leave_dir
 cd ..
 
-testsuite_header "force-overwrite"
+#***********************************************************************
-flags="-qq -1 --no-filter --force-overwrite"
+# force-overwrite
+#***********************************************************************
+
+print_header "force-overwrite"
+flags="-qq -2 --no-filter --force-overwrite"
 mkdir force-overwrite
 cd force-overwrite
 create_files
 enter_dir z_dir_1
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          || failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          || failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              || failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              || failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       || failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       || failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  || failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  || failed 18
 assert_file z_symlink_file z_symlink_file_link
 assert_file z_symlink_dir
 assert_file z_symlink_dangling
 leave_dir
 enter_dir z_dir_2
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          || failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          || failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              || failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              || failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       || failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       || failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  || failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  || failed 18
 assert_file z_symlink_file z_symlink_file_link
 assert_file z_symlink_dir
 assert_file z_symlink_dangling
 leave_dir
 enter_dir z_dir_3
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          && failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          && failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              || failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              || failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
 assert_symlink_to_file  z_symlink_file z_symlink_file_link
 assert_symlink_to_dir   z_symlink_dir
 assert_symlink_dangling z_symlink_dangling
 leave_dir
 enter_dir z_dir_4
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          && failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          && failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              || failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              || failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
 assert_symlink_to_file  z_symlink_file z_symlink_file_link
 assert_symlink_to_dir   z_symlink_dir
 assert_symlink_dangling z_symlink_dangling
 leave_dir
 cd ..
 
-if [[ 1 == 1 ]]; then
+#***********************************************************************
-testsuite_header "link"
+# link
-flags="-qq -1 --no-filter --link"
+#***********************************************************************
+
+print_header "link"
+flags="-qq -2 --no-filter --link"
 mkdir link
 cd link
 create_files
 enter_dir z_dir_1
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          || failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          || failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              || failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              || failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       || failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       || failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  || failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  || failed 18
 assert_file z_symlink_file z_symlink_file_link
 assert_file z_symlink_dir
 assert_file z_symlink_dangling
 leave_dir
 enter_dir z_dir_2
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          || failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          || failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              && failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              && failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       || failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       || failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  || failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  || failed 18
 assert_file z_symlink_file z_symlink_file_link
 assert_file z_symlink_dir
 assert_file z_symlink_dangling
 leave_dir
 enter_dir z_dir_3
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          && failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          && failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              || failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              || failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       || failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
 assert_symlink_to_file  z_symlink_file z_symlink_file_link
 assert_symlink_to_dir   z_symlink_dir
 assert_symlink_dangling z_symlink_dangling
 leave_dir
 enter_dir z_dir_4
-"${upx_run[@]}" $flags                 z_symlink_file      && failed 10
+"${run_upx[@]}" $flags                 z_symlink_file      && failed 10
-"${upx_run[@]}" $flags "$test_file" -o z_file_new          && failed 11
+"${run_upx[@]}" $flags "$test_file" -o z_file_new          && failed 11
-"${upx_run[@]}" $flags "$test_file" -o z_dir               && failed 12
+"${run_upx[@]}" $flags "$test_file" -o z_dir               && failed 12
-"${upx_run[@]}" $flags "$test_file" -o z_file              && failed 13
+"${run_upx[@]}" $flags "$test_file" -o z_file              && failed 13
-"${upx_run[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
+"${run_upx[@]}" $flags "$test_file" -o z_file_link_1       && failed 14
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file      || failed 15
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_file_link || failed 16
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dir       && failed 17
-"${upx_run[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
+"${run_upx[@]}" $flags "$test_file" -o z_symlink_dangling  && failed 18
 assert_symlink_to_file  z_symlink_file z_symlink_file_link
 assert_symlink_to_dir   z_symlink_dir
 assert_symlink_dangling z_symlink_dangling
 leave_dir
 cd ..
-fi
+
+#***********************************************************************
+# done
+#***********************************************************************
 
 # clean up
 cd ..

misc/testsuite/upx_testsuite_1-expected_sha256sums.sh

@@ -46,164 +46,164 @@ b8c35fa2956da17ca505956e9f5017bb5f3a746322647e24ccb8ff28059cafa4 *powerpc-linux.
 a0950546dc17fca9437219431d8ddb0249ce5b08e899e0c799a87ac982adee70 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t110_compress_ucl_nrv2b_3_no_filter="\
-fb458e6e7718ffd3f060fca911d069a024df8da7c75e34a0aea820a15ca03551 *amd64-linux.elf/upx-3.91
+ef49d1c9617dbb3dc1bb36ab70df8a263cd816cc5e91ad28cc62f91ccc77afa7 *amd64-linux.elf/upx-3.91
-8988a2556bff2da1a5de9a5a4c909a53ae99a825fcdc7699d4c504bc697f60df *amd64-linux.elf/upx-3.95
+253b1542cdcd5d554eb442e263eb44e400f00e63cfd4d0d727eacec5fcdbbd00 *amd64-linux.elf/upx-3.95
-b8bf6a29177bc7e9595d1c2a200f2c6431e12eee1ca2c8a64064a52c792b7b65 *amd64-win64.pe/upx-3.95.exe
+d96c42d14684e7248de5712310364eafa28b337695bc0d8c37f91d593b869250 *amd64-win64.pe/upx-3.95.exe
-02c17f49a54f50a9ed453227b600feb4ba5574514552d1cb344b1b012265afb2 *arm-linux.elf/upx-3.95
+c1d3b9ec3157f068097f5deffddce4fc4d3d95602daa539992e0accff6af0de8 *arm-linux.elf/upx-3.95
-0006e29a124430722e691a05afab0a381d332c2ffe53c7f6a2cdf4cdea5349ce *arm-wince.pe/upx-3.91.exe
+9ca862c0c92d7e4068145024486bb85a6031bf06f9a37c6af543234e08e8ab36 *arm-wince.pe/upx-3.91.exe
-94a60c5859fc98db7671828decfb456e670a402a676d97cd4d66b5406c062f1f *arm64-linux.elf/upx-3.95
+9173b4e4b1ac0b92e63dc51168dbd41d38208520b0f4c17b91d22e584ad55ae4 *arm64-linux.elf/upx-3.95
-654a4e4cb325caddcf150ca90f2729c748bb0a3e99e703c6aad6a9dbc7d6d6e1 *armeb-linux.elf/upx-3.91
+8c6c5f1678fb74d2f65a1e6c28e3089a4b99b49939fabac3ca1f71183bc73ffa *armeb-linux.elf/upx-3.91
-c68172e589871dc76cc7dff5464c87cd83a8cf9178d3b340e166912bcf6c9a0a *armeb-linux.elf/upx-3.95
+13caa682f323a0438a651f53768af9b7fb1208980d46d94c6fb984ecf4422599 *armeb-linux.elf/upx-3.95
-ecc834183718c481c724754356977f4d63a58a07a2a308b9d2d669cf4d859b10 *i386-dos32.djgpp2.coff/upx-3.91.exe
+55f30818e45da393628aa80c3518f3cf099666ae3af5014bded2196ea28ddaea *i386-dos32.djgpp2.coff/upx-3.91.exe
-879bdb9fc4c2ff76688250b429281a0a196c3723aabb40657f61a256d271b407 *i386-dos32.djgpp2.coff/upx-3.95.exe
+6b80b2be79ec38af3071fcaf8f0d0ec524e4523e7e52e2f10111862ab93ec793 *i386-dos32.djgpp2.coff/upx-3.95.exe
-582e7d54ba02aa4133a82ed423fce85376a3e2435468c2275e6500895f80b62d *i386-linux.elf/upx-3.91
+9bb71da401ae398ca42cde73afffe0c0db29fff24f22196c4116636ab6385170 *i386-linux.elf/upx-3.91
-00501788b58d4523faad8e0d0a9832d1f743e33739f8190be19094e2aa002c77 *i386-linux.elf/upx-3.95
+c2375a808f989c0f8290fcd9760db0033413323d8597deb796f182f8ac38afa2 *i386-linux.elf/upx-3.95
-9b9c922a6ddd48cf92af8aaa99452c101d69eb65f83e5fed6870bfe5450ca66c *i386-win32.pe/upx-3.91.exe
+892695e1abdc0fbbd110ee30c317fde56947f4a8b3dfe413507ee7665f109986 *i386-win32.pe/upx-3.91.exe
-85a21b38b2c0ddf94bfd41b28c6a7af74accfa2246cb7f6c5881a0525cbbcdd0 *i386-win32.pe/upx-3.95.exe
+f76ec227836388da3174007e2c5e27fb6cb397a83297872e78befb298a65796d *i386-win32.pe/upx-3.95.exe
-993eb24cdacd30fd0ad915c88ea523f19748e4f4b3c4f7302dc233ceec67501e *m68k-atari.tos/upx-3.91.ttp
+8f7c5b3d67c78c117c02bec8b30ec5fca7baa79a35d250a4d981cb7137f8635d *m68k-atari.tos/upx-3.91.ttp
-b48802d429cb7edab4d945a658a7f2aa65f67e48085ee9f40999e63cd164089b *mips-linux.elf/upx-3.95
+745ac3afd263f3a653165bd229e35c817a58c9b894a8d6fbd4e5aaf6c38c1264 *mips-linux.elf/upx-3.95
-aac26e3324c3a07d0cb41ee68dddc29891334e13ccd60bfb9138729a2f27742d *mipsel-linux.elf/upx-3.91
+a11da76425bc3bb308de3c19e6df22f56bf12c95afcf96ee8c2d4aaeda07ac8a *mipsel-linux.elf/upx-3.91
-85803d12a0262bb424c95efff414e7882dc1104164c245ab90dff27ee5bd41db *mipsel-linux.elf/upx-3.95
+76c458e8e9b94eceb60d8c51f602a5dec44b2617886ea0b5b7b8802c61d962e9 *mipsel-linux.elf/upx-3.95
-e1ec8a1d392e0493c9fd60f3327d85aec108815100ab01ae65210cd26c917888 *powerpc-linux.elf/upx-3.91
+cec277d9e6e0cbf551f697c1d52e5d29b48533efbe4269df0aafbc12731a93ed *powerpc-linux.elf/upx-3.91
-845aad9ec6cba72b3a83c9958e9718938fdfd3d18ac76170d81f57c1c86987a0 *powerpc-linux.elf/upx-3.95
+92c6cec7bf40d1aa5a62a55fce95bb99d94c5b477edbea127ee0468471ddbdb3 *powerpc-linux.elf/upx-3.95
-149efbda7f68c354d48771d838aca07cbdda503746bb83497ec8ab226dea4792 *powerpc64le-linux.elf/upx-3.95
+df2f12597c901196e8f10782e72fb4c294955f03a66cc4e8bf3c24414929f717 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t120_compress_ucl_nrv2d_3_no_filter="\
-3f1d7ad512df7cc6f1fa4fe4a37f21d92709764fc385e307504e12208c090df4 *amd64-linux.elf/upx-3.91
+f7e51450a373cb49f88e3e17c268f4198429f7ad06bed57dda28161b5383196a *amd64-linux.elf/upx-3.91
-a9291e95bc5c59193ae318c4bf13341ade909b8a6b42694c33cb3a9d1a084637 *amd64-linux.elf/upx-3.95
+15c57828824d18604519fd43349f0340ccebfddf246ab355f8f30253123132ea *amd64-linux.elf/upx-3.95
-968c6c681b99c6ad21f3100527da0d2f0ccc510885d6a23b1db613207aedc739 *amd64-win64.pe/upx-3.95.exe
+728b2feceda3cfdd849aef4402d5d4e61aa6fa6d56266e7730b148dc66f4a7b0 *amd64-win64.pe/upx-3.95.exe
-e06b57cd0013db94ba298bef4b30d904ad8eadafb7db6b4b4964de65f9fae0ad *arm-linux.elf/upx-3.95
+188a3581ed2bac5fdfd50e08267e2e9cf4cf3ddbfc9f5ae15643298bda4bf11c *arm-linux.elf/upx-3.95
-bf6c7ba2a464f7dfcdff230462a23f9bcfafaebddb7746f0021367076ede58ac *arm-wince.pe/upx-3.91.exe
+0711f0b8531de9659f099f43f2a883d628bee8de67f927e7137c19c6d23a30bd *arm-wince.pe/upx-3.91.exe
-053c60a4a376ddf3e5ac9b91933e483b86f184f02369c1df204b32acda2d72f7 *arm64-linux.elf/upx-3.95
+ae6fa69b1242bdfe808d64b7bbefddfe9c1c96302627ee8c65fa2851102fc502 *arm64-linux.elf/upx-3.95
-63bbc0b63ec9504650869e0b51a6941c9d8f6d472463e9f602e26e6a21c493fc *armeb-linux.elf/upx-3.91
+7586b4029355eff2edf25141835ee2405ab9f936956e56420315c3d3fecc8bda *armeb-linux.elf/upx-3.91
-f0b78117ac4a4671470cbff4b10907024d3811ee4197dcaa5cad0a84c98c8693 *armeb-linux.elf/upx-3.95
+e37875b1a91ef3c88bdba113649a061b72239dbfe77b77077c51254037a982b6 *armeb-linux.elf/upx-3.95
-86888d40e8b17fd59a1ed78264e075e1b04b57ca020c43768b37f916beb11649 *i386-dos32.djgpp2.coff/upx-3.91.exe
+536e5a6bb18378f3eea81be12f218f4da60ea81eddf480434aaf418610e4e52d *i386-dos32.djgpp2.coff/upx-3.91.exe
-57f916c1f0fb33746de4c65f232258fb48acb2aa266b59ffdeac0c654bc650ca *i386-dos32.djgpp2.coff/upx-3.95.exe
+386f3037b26b8b2ce49a527028d738956e7ef649b29a0ef15e32acef4a3b291a *i386-dos32.djgpp2.coff/upx-3.95.exe
-efc046cd508c647651fa6574b171fb44ebf2bf785d7bd9ec3fcc6b24b01db96b *i386-linux.elf/upx-3.91
+5761d8e12b01163c2bf378bef813df9a621da08c4508773db992a1cce067c70c *i386-linux.elf/upx-3.91
-279325e2cac136e24ec928eba687849c3359ab9ce76ad9502a64d3883029ee5c *i386-linux.elf/upx-3.95
+8afc2b549e2f78987641045697afaac0378b48e84c3e946334c9e4f1a7e693fa *i386-linux.elf/upx-3.95
-8b7aba7c9e733bb72844d797cb9f6a7225b4ce79ee62e38a9e424b4c5cc63ade *i386-win32.pe/upx-3.91.exe
+1cc6663f3d9e847f9fec39a52c8efe38b39a66074c0ad77a880a84dde7c68d3f *i386-win32.pe/upx-3.91.exe
-e966278db2d69913989bcfddf998e8f5b35fd8045c55b1e45065fc121c2452a0 *i386-win32.pe/upx-3.95.exe
+edf158ec6064e9b11b677a73239a70e414fa8c4f3b8950f74e81514ccb28ef4f *i386-win32.pe/upx-3.95.exe
-475777e4b8284a57e61cec9fa61549b06b761f6fe77ffdf24e23997eefd87036 *m68k-atari.tos/upx-3.91.ttp
+faa36b6601743dcc5eaedb57187a893006652b6c68acecff179ce2cd123e6209 *m68k-atari.tos/upx-3.91.ttp
-fd726e5be8f899cea4ce147beb23e7697953220f680b54d9ad12ecbbf6764fd9 *mips-linux.elf/upx-3.95
+6c76928b5914b5c2e072bf2f90a2c95049cc41aec6b98b1f0b3c4f84df069f02 *mips-linux.elf/upx-3.95
-36e40ec2e07cf2a095f6d1c58d5d454a486d24fa1406890ccc3dcaf3223b1ed3 *mipsel-linux.elf/upx-3.91
+029c2a47f1f613c538d2f39674167489a9d1bbbb6649a06d51d2b5ea983b4924 *mipsel-linux.elf/upx-3.91
-97a0b1e3744f4168905c6423778f9fef887a467e9f382677f1da785f2f3fd5ea *mipsel-linux.elf/upx-3.95
+4d837edcaf344505ad1a3721ec8e5db35ddaa273a747201e460b946c0a89d6ea *mipsel-linux.elf/upx-3.95
-1576fcc71df7ac816aa3b322b9c399df017f05e99b843b98ce02be15e5ef9148 *powerpc-linux.elf/upx-3.91
+0e24a9e58939f7aacd3482db24e04bdac406a658dbb8d5e65d71d76d455e5aa5 *powerpc-linux.elf/upx-3.91
-768a206b9dac7816bd9b1b5c86fbfdf1f5a6920fa2cbc35e50b19d58779b219e *powerpc-linux.elf/upx-3.95
+04bd4885f37c77a34b39e76cca2fd363f794ed1611093d7fffe1ee19920ce1dd *powerpc-linux.elf/upx-3.95
-287d53686422057d5c7ddad5c30ad2a3342424153b162f3769fe8fe717b48b91 *powerpc64le-linux.elf/upx-3.95
+3b6be5bff0e435a8dbd8529562912c58dafdcb9694d75564238f3d086048abd2 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t130_compress_ucl_nrv2e_3_no_filter="\
-3f04cc82752ee6c573e6ed22a44943caa1126503ad898def7452e25df14709ec *amd64-linux.elf/upx-3.91
+715de64e0911c959d0ea208db13bf23a5e635e97e73feb9e04ac9d32117e6a3f *amd64-linux.elf/upx-3.91
-7a3103783fb6c1e34b476e2cbeb7a5992c635dcd643d1ff37e5aeaf57f70f268 *amd64-linux.elf/upx-3.95
+da805c93ffea03da2f0c0dbb1b313cf0d88ef2c0cb0ad77b0be792210106cd6c *amd64-linux.elf/upx-3.95
-509be220b15f12853a26207f8c2fe361feed50203adb3af4e2bb03aab3467221 *amd64-win64.pe/upx-3.95.exe
+213e6d3c80b4d741e8c78da915d32c1a2b74072d31e86ec46a10ac2535cf8f6f *amd64-win64.pe/upx-3.95.exe
-e2e4dfb92a85a1e8d06d2d28778f63c3efec484b91c58236ce9df02cfe3e012e *arm-linux.elf/upx-3.95
+3a66e868147347208935c042517b9f0e2e30d2dbb5c004ec8df6a9ab1e42ecd5 *arm-linux.elf/upx-3.95
-18bf698a9ea039a0c3f1de9cab845dc1b51ad881e96daba4b7389adca830ecec *arm-wince.pe/upx-3.91.exe
+8d295980b1e6a8240bf75b86a9b8e4561424cbabeab01246f51e553d84b40839 *arm-wince.pe/upx-3.91.exe
-b2155656ba70f468cc21fe0125dd2a2a9b0bf4b5d802eb399565c15b2997f1f8 *arm64-linux.elf/upx-3.95
+194947a439c1348570e45343e404c409be3f10feb70fdd87d9bca0addc772c44 *arm64-linux.elf/upx-3.95
-4dab150e1309d643583ded5262dea6f5ffa82ef7e3533515d10ef3c95dc11ea5 *armeb-linux.elf/upx-3.91
+a01384f43803428e0bfc5f8152304eb8618ef862e4e996a4a4fa4dd9c4576833 *armeb-linux.elf/upx-3.91
-25b072a5a86ead3bd9ddc539c3f29d5fd2c9cceb010657ace5eec827f73cec93 *armeb-linux.elf/upx-3.95
+f2fdba359d52bb82fbab093176a3fbf37b9cb13e8d297523ed57051c3bd401e3 *armeb-linux.elf/upx-3.95
-d7d0d5c45297d81cf4de9256c43ebbe236d1a839daeb16c900ebb5c1503659f0 *i386-dos32.djgpp2.coff/upx-3.91.exe
+582030394a570f92be2d31b3862ab7fb0a6f08982c793a4d41c1471d2cabb939 *i386-dos32.djgpp2.coff/upx-3.91.exe
-262fa423a8cdd765156b9385f4f1fe2fc8bba4b7e9904281f6f99a7a867ecdd1 *i386-dos32.djgpp2.coff/upx-3.95.exe
+f60dc2f332f58b7fa08f551f8c33d645d71d9ee79e2a719130d10ea4091373ef *i386-dos32.djgpp2.coff/upx-3.95.exe
-a74811a5f2b2bf26b1d64ff8e5ac5d9111bbc3022bea77b5389a2253a059c6e9 *i386-linux.elf/upx-3.91
+13887e5466a7d0fc2652aedcef44e33e6ee9b8d6f0ac21dbc4ec90fcc0613bfa *i386-linux.elf/upx-3.91
-b4c9632a18ac07b7351ea3a24e112ee32cba67eec194dc822f5211d793665d63 *i386-linux.elf/upx-3.95
+636759f884399ff05e8493a759f60ea52cd4640eb5e9760f12fc25fbf730b1ed *i386-linux.elf/upx-3.95
-b35b94f6f14e0795a3e30d04aa6cb9cb1fca6dc15a45cf99f9ce66646b438d74 *i386-win32.pe/upx-3.91.exe
+c4a5d27ce7d8f0f326e49489223eda188a9be61971a88758a559efb9f854611a *i386-win32.pe/upx-3.91.exe
-11505bfed2b91ff3df360c3fcf5e701bce6c536f79f4743eff367bf4e16a686b *i386-win32.pe/upx-3.95.exe
+4ca9a3dd0e0ec38cc1aa3720d9c666f86df4fbe9dcb87ef0dad56d0a47dc327a *i386-win32.pe/upx-3.95.exe
-ac45ed125aa0e5f002556e9410d32e4007cb905cf71354df20e38785a90e0ea0 *m68k-atari.tos/upx-3.91.ttp
+f34a020e6325d213052d9f09c775c4d292c34c51380b1ab1b22c6663645167f0 *m68k-atari.tos/upx-3.91.ttp
-773e144b638f23cfa2640e5c6760d6f847d477efa0c64c158e24be7efbdb765d *mips-linux.elf/upx-3.95
+3006af1262a29173c46340f1ee4526fba41145f7476841d5bf6b499aa6dea0fd *mips-linux.elf/upx-3.95
-bd53867507b9449dc8c12007d8ed16ef332b8c4d96b1749cbd8b731a61402215 *mipsel-linux.elf/upx-3.91
+6af81d3c7cb6f1388925fe2d78ea96313d91d5e17249268739de4d56857f27bd *mipsel-linux.elf/upx-3.91
-a72cffc63f3415f5c913a504c2d2af30cd533f849cd7866b65a8b4c91301c475 *mipsel-linux.elf/upx-3.95
+9d3849cd0037ef550703c574e0ccb3032b0d27217ec02c90a0ad8592d2a229f1 *mipsel-linux.elf/upx-3.95
-1c93b25a4846fce0d2242d753f0a6e662f018a8d63234236e88c7cf32e104d22 *powerpc-linux.elf/upx-3.91
+704b6eb2033cf3eab30cbc53c35fc85bf0cb17f904528792de33967a1406091d *powerpc-linux.elf/upx-3.91
-263f4d184edab2716accbcdda2749a348a0b3d055d3096fa8c85d975c66a2342 *powerpc-linux.elf/upx-3.95
+b89b2f3b250ddd156cb857717c86a0c0325a26dd084717c64f3022277ad02be4 *powerpc-linux.elf/upx-3.95
-9b04dbab6863895dd3df5b0fe50086eff57e401d853a55fd9cdd06c0794e7ce7 *powerpc64le-linux.elf/upx-3.95
+d52f201ab041fa64a4ee4234bd0e443e883e402bb93ced9e22554bd3ef3cc9ab *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t140_compress_lzma_2_no_filter="\
-68ea7e46654a94a1c125e039b9167ee8724edf0762f5522e81cfbb94005af8fd *amd64-linux.elf/upx-3.91
+af8536d70ecb8c0680c1c9dc45ef60dcb13fab99f0e4644d9f86216a9cf003e2 *amd64-linux.elf/upx-3.91
-7adf842624efaa46a03b1861fee62dbc01c1e22387b29fa16f530d3c6aa4d295 *amd64-linux.elf/upx-3.95
+004a705f4981a19f35767b33bdb70b942717a701ad8635bd56ba33e347c6ed69 *amd64-linux.elf/upx-3.95
-77aa80d55f83afdfb3796dfbe972b79a2195b37f84e9bb87ff7d11e497927021 *amd64-win64.pe/upx-3.95.exe
+cf07c202497ab38417ec3ccb65cbb0eb9b87f6c6df40d7dc4b44616282c8e0f8 *amd64-win64.pe/upx-3.95.exe
-16916c440d76231df63ae5260bcf28c65476d06319d51e084f1730ab83d279bc *arm-linux.elf/upx-3.95
+da153c1747e0e242cc8b90c04362f67caa0aa638562bc12fcc7fe08ebb1b4fcb *arm-linux.elf/upx-3.95
-fae27479b40010e1d0794fe28fcc619c64a6ff21888221089fee429135658580 *arm-wince.pe/upx-3.91.exe
+9755110ebc951c9767e376155d9c6fee9789b009ce82ae47276664f5c832557e *arm-wince.pe/upx-3.91.exe
-c7630be0a014dbef80053609329faf5bb55ca5f3abf80df26674ca311d3943ae *arm64-linux.elf/upx-3.95
+bb9e92b577ace19da295032c294063d724655cf5b97d014053c3fb05ce478884 *arm64-linux.elf/upx-3.95
-4efb05939371b23037e8a0b34a35ae181d2d101afac9d3e06457d191e59a5e76 *armeb-linux.elf/upx-3.91
+a3c639403fd7b2f035315773c1aa3f68cc0532cf5cd075defd34fa44c4bbbb7a *armeb-linux.elf/upx-3.91
-231d9a6e570615c2688befae04ad7ca88abe9655097e352e84cf0419190355db *armeb-linux.elf/upx-3.95
+3f9604a69a945d86b93f2182ee82f754881331c7ef566d0cd4dc36d7acfa1aa0 *armeb-linux.elf/upx-3.95
-9df0142609a0a61595c500f1b9b40efab6d8c179f83068a5f4507df9a9c66d18 *i386-dos32.djgpp2.coff/upx-3.91.exe
+e6518528d60861e37cb8429376628a7f3d1d5fc90f0933facd70b4e9e0b50709 *i386-dos32.djgpp2.coff/upx-3.91.exe
-6bdf60b30d916a9b706c7c2563907758994350b372351d7e9b1fa6427d75a01a *i386-dos32.djgpp2.coff/upx-3.95.exe
+53280a22c34ee1733007ccf858e1f5416c0f7043a4361799087e19a4b2a7eaf4 *i386-dos32.djgpp2.coff/upx-3.95.exe
-a96cc162e2a2ce59c9199534ce3c067096b655ea426b8c1ce9c4d27f282481ef *i386-linux.elf/upx-3.91
+a51ce8993b3577fc2ee45b52174aaadc66c2f90ff53a0148ed096a65d99d24a2 *i386-linux.elf/upx-3.91
-25540046329ed7bb0b071a6686d301f5cd8d3722407088514a88044a7caddc3b *i386-linux.elf/upx-3.95
+d018260f04d1efc2b46c8b7ff5b132358e58cb062c158b08a7179fbb561b0e48 *i386-linux.elf/upx-3.95
-93a6093dac3cb679e85900bfd60d7cf26319958245d4dc92425856c742aa95af *i386-win32.pe/upx-3.91.exe
+121e4acc3fbad4954cb2d2b957d229b042beaf4b68749c4f85ebfc60fcc80d43 *i386-win32.pe/upx-3.91.exe
-e1cb547f4c11a58b245de0bb71e9fbedffa4d9c6f97a57ce679abbae71e0c0b9 *i386-win32.pe/upx-3.95.exe
+d604523130da29af35705d9008098ae8b4bb9e7d4743357674470252dd68b8d3 *i386-win32.pe/upx-3.95.exe
-31ba49ef577fb0031130e00198b69afec95ff9cc90806ab04d607be0627d0d1a *m68k-atari.tos/upx-3.91.ttp
+4d26f0be2b6b6c4802515a7f0dfd97998c6d23e696ae6c0393c9ac0893885a9b *m68k-atari.tos/upx-3.91.ttp
-69d27ee81743163b3bd9a7a9721abec70606ee38716c72410dc82bf826e508ee *mips-linux.elf/upx-3.95
+4d3b0c7b4dabb5a7a193a0a2899f086f5dfc555106188131389678ecc137378a *mips-linux.elf/upx-3.95
-6ee9682486076ea670bdfa95c7b6dd98d0274e970f7dcc7bdabda8d07558abf5 *mipsel-linux.elf/upx-3.91
+be2e9fb66c087f37b58f203b406b618526296dd8c9c53e73bb622740f1e377ba *mipsel-linux.elf/upx-3.91
-b817e57dca45c26d93d2f293d77bf0a9ffa2a4232141d9e4f1a20b369c0b3bbb *mipsel-linux.elf/upx-3.95
+9da821fac44f787875727cf001ca33ed87e02c5fe477f0ebb965c5e0eb62c26c *mipsel-linux.elf/upx-3.95
-99337dd36736e46e2ae90fcb6990746577a135d4b465e69f7f421a218e245657 *powerpc-linux.elf/upx-3.91
+98d7c0214663ae47f59244a90aabbb72a798a4ad0c74ce79d448013f5cad6893 *powerpc-linux.elf/upx-3.91
-c1b63b66351e224cc53e33086daafefdeaf3c91a37b68426b08d2c709727f214 *powerpc-linux.elf/upx-3.95
+c58266817c4e38982c66e4b75e0002c6e7a51710864f930987b8670ee121ee0b *powerpc-linux.elf/upx-3.95
-9e28a8e6eb94549defc2a842ca24bc7a7496f581237378a118a0ee1792598ee1 *powerpc64le-linux.elf/upx-3.95
+7fecab59271c9d4596bd79978e112a5fea72e33bd7c53c1985d187009d807724 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t150_compress_ucl_2_all_filters="\
-7b164c03af75a33c19dfa45767e9f44a754fd2fecd56239609fff37244030593 *amd64-linux.elf/upx-3.91
+977380191b474f5a7fa78e8015a279bfaa77626bc56d83185fec8761531b3029 *amd64-linux.elf/upx-3.91
-f591bf4b34d2bdab707506ca9e7b2822b0d9bfa1dfd542b96512fcdfe18c77d3 *amd64-linux.elf/upx-3.95
+4f94c9bee7a2f7deed245dc767c215654a41373be978123c3f1ef9074454c59d *amd64-linux.elf/upx-3.95
-a80f6756fb9acb5ac4be3f0609c37042922c769a285eca34734eb62547ce4479 *amd64-win64.pe/upx-3.95.exe
+00aa338efc865f720a901afb1c19064cf137abb71d361be9b19192b0ff8a9479 *amd64-win64.pe/upx-3.95.exe
-2c249c4fd65bc53376984bfbe352d7732f49d7c601dd01773a6034c127a03416 *arm-linux.elf/upx-3.95
+c1908a58fcc23a9a964f2cd5f76f805a7cc9ca39480d129c6bdb8db30033840b *arm-linux.elf/upx-3.95
-f640a43f3e12d092a4a8e9f34d89cc02ca85d382b80e1efdeec4ecffb09aa680 *arm-wince.pe/upx-3.91.exe
+78ffa99aa69e2f66f864dce88e787e3b1c0c056009e0f863986d65aabd186107 *arm-wince.pe/upx-3.91.exe
-8d5df9081689113edd3cdd357535aa35e45df4339ad37479d496cbd6e873f38f *arm64-linux.elf/upx-3.95
+245c6bb22ae2b39671503244329f1e4498277b06d600447ad81c7d41ebc872d6 *arm64-linux.elf/upx-3.95
-0756666adb390b4330cf3f50eee92f73cc1d0afdbcecedd7cdf94fad29bf2c71 *armeb-linux.elf/upx-3.91
+9e359728cdb9bf6ea21a864b2c9da56809eda27d6b88828b85ab815311bf77b6 *armeb-linux.elf/upx-3.91
-7b8156540b234aec8f6bc4db8dcd9841afd0be1385d55b07bb6f918594dcde9d *armeb-linux.elf/upx-3.95
+86edb5959b5cabad270d7c77e750bc710424b92cfb2ebaeedf3ba403382f4e93 *armeb-linux.elf/upx-3.95
-23cc97a192c76ce849d17f5a902d178ed10918007b9667913395095db285b546 *i386-dos32.djgpp2.coff/upx-3.91.exe
+b65db2766ffdd45657a07edd57426c55acce2a73a1e3559ab43903ae77574131 *i386-dos32.djgpp2.coff/upx-3.91.exe
-66ec810d94684cfa71980a1812ec158b4485b897aac52fa4617e097d69e4d10f *i386-dos32.djgpp2.coff/upx-3.95.exe
+e827d64700b14e8c19de2882e66d0df0fca4cda0255ae41a66810e4c86583a93 *i386-dos32.djgpp2.coff/upx-3.95.exe
-9b004924ddc9e028e556c882366e10ed11cc8f69792f658e07b2d19d370bb102 *i386-linux.elf/upx-3.91
+c95a7ad9a5015abb1b8a163afe46b4f1529c70ca4ef9353cfb6e5c7eef60245c *i386-linux.elf/upx-3.91
-74453c23dba3e6f3818faf85f2dd34669839b34679da70201e071566a32df26c *i386-linux.elf/upx-3.95
+21ef65f5c756f216c0f9db9475a7514e10b8e003c30bc22416ec8156cba65252 *i386-linux.elf/upx-3.95
-e91a7748c9ebafe7987127431690ae1464d8f505267a8b3837edf5f17589534b *i386-win32.pe/upx-3.91.exe
+6db34f6cdc626c4857fc7b188910562909e571eed3be2116448e244ca82eaa64 *i386-win32.pe/upx-3.91.exe
-ba4c9b76016431ff30f1ead43b77a6b4ecce9757a438d05647ae3efaa33288fa *i386-win32.pe/upx-3.95.exe
+68a08dd3995681af594c66df4b94559e5900f0a09fcf822e3fc2522c3133ad69 *i386-win32.pe/upx-3.95.exe
-e6b493dff57c763d4feb49490353dd843b15b1a1c78c000af8bf48472e11f5ae *m68k-atari.tos/upx-3.91.ttp
+1546ce426b3cfe38bdea18fafadee409253d5d2b452aae5476e073b29e17bb58 *m68k-atari.tos/upx-3.91.ttp
-cdf64a07ffa09aab14f5f467da334c41b5b496b77f65034bfca94b8f917b71f6 *mips-linux.elf/upx-3.95
+6ecc64d1fb9fb2a675980ce939b0b8142e802e7218b8ea45f2bb82205ed9242e *mips-linux.elf/upx-3.95
-cf1e80d5575766df41fcc27e08e30e3aa2b3a318a0d9014e6a7241bed8fb1d75 *mipsel-linux.elf/upx-3.91
+eb3c90f8f775e70cb2cc187b7e55d66a3bb28fa760e14a17353acd1130fd122a *mipsel-linux.elf/upx-3.91
-5afd8fbe8bdb25a76dd4105dbb3e4695e4332ceec9837e0609a9850cebdc524a *mipsel-linux.elf/upx-3.95
+b47964dbe65e9975d6bddfbfdd321a5e6c96b6eba79b30d0f94ec4323b796991 *mipsel-linux.elf/upx-3.95
-c378615d5068a5c44cb751290c732a127f88d3534d47318be41f1827a43c41b5 *powerpc-linux.elf/upx-3.91
+c32a2deaa707eafaed36a4ab8fb26bb8d8c63a9743b19ad207e305553d14c7fe *powerpc-linux.elf/upx-3.91
-b4b3ebd20ee61a0ed47d481e7333cef42d1a23f832c5463aff6df640d5265e65 *powerpc-linux.elf/upx-3.95
+c4dbfbd0f5021d50f1addc68273f20b49204bf26ae8c8896a0aacc7d2c5a2d47 *powerpc-linux.elf/upx-3.95
-0283de59bd2bf8f9dc11e1b5ad69d666bfc7a2b2168585ae3874f758eb271336 *powerpc64le-linux.elf/upx-3.95
+bb96ea8a29500893b729dad4afe90b09186641c32c42a70a3d2380a771f896d9 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t160_compress_all_methods_1_no_filter="\
-d2ebb0a3e77b766446b0076008c63e910b3286b72ba7c4cce03782f36c0c7396 *amd64-linux.elf/upx-3.91
+de00c3bcb56d78c3fd1d1e633b3f64b884b3611abc305b9e79f4f14385178418 *amd64-linux.elf/upx-3.91
-3de94645a9b15b723b21da216e26577f8e28d4d296ceb5b68eacf5ea4040525c *amd64-linux.elf/upx-3.95
+eb5aea4d780711dd59e3f86d34a49f16d3669acc6569292bf9ea445d406c5c80 *amd64-linux.elf/upx-3.95
-4106f280f30fff3c39fe72b10cf450cc514d3aa9e6769255f54606c4c09bf646 *amd64-win64.pe/upx-3.95.exe
+2fae12ccc55eeac6c05ff2c6b27539c66816080647283ac2e1b22576242b6bb5 *amd64-win64.pe/upx-3.95.exe
-db5838a8816241e57f3271ee217cbd99b80d2c5ec15f9c71e0b1da1cced372a3 *arm-linux.elf/upx-3.95
+14120b8348172a08cd7651184941820ed1c69b7a8d859e375390eee529f5c94e *arm-linux.elf/upx-3.95
-97a78c7aef6ab3eeb2807893c4edfb529565e36b27f9982456276dde46e34d90 *arm-wince.pe/upx-3.91.exe
+a6690508c1acdaa07ce97feec0f330182c24206d8e9133949d2a42fccc1cbf27 *arm-wince.pe/upx-3.91.exe
-50c4a83017a143e386f8e8c4f1dc73827b059ffc4a94586ab949edd19f27d4b3 *arm64-linux.elf/upx-3.95
+4f30adcd3d047fad15344bf6cf3cf4f91cfbacbb121af889df8634fa4c888247 *arm64-linux.elf/upx-3.95
-dbf432c12845fe8cebb131995cd57cc637dee8e21e8b083ed05052a2839373d8 *armeb-linux.elf/upx-3.91
+f85f0a70b024a050999d476420b9db88206e340b2ffff3781c491b538ae03e37 *armeb-linux.elf/upx-3.91
-751ecfef4f02003f127d7dffe9fdf12af1a449bf4546e8a6dbc86d8885441746 *armeb-linux.elf/upx-3.95
+e1b2dc75427212dc268c6921aa2059adf5709b21f230432a4725b16e1c64b238 *armeb-linux.elf/upx-3.95
-da261516dc443ac3a9dfbe9e3353313042b72e8c1fa3f7c17bf32e0ff4221a12 *i386-dos32.djgpp2.coff/upx-3.91.exe
+fcf64cfce9e9762e03740d2bf9e2e86d873ade1b6f4a68eb07625f516426810d *i386-dos32.djgpp2.coff/upx-3.91.exe
-a4eaa51e14b7bdecff560e4ed209888cda0fde955693a7005aca67361181c561 *i386-dos32.djgpp2.coff/upx-3.95.exe
+9188a6f911b79fb8629880836b2f5787eb4d938872ba4f1a64c93e70cde9f428 *i386-dos32.djgpp2.coff/upx-3.95.exe
-48c1959184334c5eeaddad5b2141103a0a5863a3c22f068d6d977e2fb0ed1711 *i386-linux.elf/upx-3.91
+8369ff8112aeb55a1684ce0ec16e13e6bc524b734557b49b292f9aae60edccb6 *i386-linux.elf/upx-3.91
-eeb2cf342f9dbb87440bd4aec0b81ea3218b300124f6348758ea4bf100318ec9 *i386-linux.elf/upx-3.95
+c4e16cc1a64db618d9038ea9ba6032b7fe5aac05c0d7731b91373094a6a0f6e4 *i386-linux.elf/upx-3.95
-28c742067136d6023720208131a5052553cae9cd5fa1b86ffc9d7b1338ab6466 *i386-win32.pe/upx-3.91.exe
+b21cf7756542b3bab5f4a59d4036cd3176e297dceb744dec96ac365be6568dcd *i386-win32.pe/upx-3.91.exe
-11646ac069761715b45a78c0ad769ca69f3b2e22ff70a7068bcda7118bfc82fd *i386-win32.pe/upx-3.95.exe
+b1bc0d360918d51ca7b7f32f5083845e4566c7fa7a425d0451f4b10f227d1eac *i386-win32.pe/upx-3.95.exe
-0e442a98a0e90716945ffe9addf9cb7079686e3cc0f968c5e557b52a36fe6ac8 *m68k-atari.tos/upx-3.91.ttp
+c40af5d1ba0531abb92587cbcbe604d4f562b685d6e7bbb40ec4d879fddf1267 *m68k-atari.tos/upx-3.91.ttp
-71abe63b1bfe35d8ff9bbaab18dcf41881a94f7bcd12bd0c010205ecbee94f33 *mips-linux.elf/upx-3.95
+0865d2f1d65e2693d801b3c28d64910a009707be65598772df655c640469a4e5 *mips-linux.elf/upx-3.95
-acc0e3322b4f22aa8e5a79962cf92b1a8ad203755dfe5bab6d2a668d274e4aab *mipsel-linux.elf/upx-3.91
+4cf108686c2419c6d82eecb2473a6d0ca0a0b47096cc01ea2b55113f84762cc7 *mipsel-linux.elf/upx-3.91
-e875572d1be9999b9292122d2094ae54142b268d7fda4ab12544507aaf673fe3 *mipsel-linux.elf/upx-3.95
+0a90a99e0ebb1e9c86e0bdf6a3eec6ca116e65b235ba1ee9029694b84cadc438 *mipsel-linux.elf/upx-3.95
-62414bff8849020ea0e93c10595fbe10e30c5effa87d25fa8b67c77bc810ccb7 *powerpc-linux.elf/upx-3.91
+4d8f85d254b1fd87bebe2fd732afd6214c98b869cda17ff0c4c566358446038a *powerpc-linux.elf/upx-3.91
-5c59c4dc481c71a9b02dd39f8ac6e3aec24f6ca2864ad3ff1c7cc54ab567af9e *powerpc-linux.elf/upx-3.95
+bbc6179756637db10b636d7383226cb1d685866e8e9191069107725365b42f38 *powerpc-linux.elf/upx-3.95
-71863da15c4bd482c7ad6123895b555db86610b3cc35e7ab99897d7c9dbfcc9a *powerpc64le-linux.elf/upx-3.95
+52d7db1d6d6611d4a064c036b57044fd93d4c5762452be07188ee2ff6b1e42bc *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t170_compress_all_methods_no_lzma_5_no_filter="\
-6880572cb1b05e8b43af2cc0a56937ad4dc3fb32260092a1649164155b5e39de *amd64-linux.elf/upx-3.91
+ee887f19ee6a5d5f0a0ce7116a41570e106c10bc0bb25acf7eb3ee254c1ed560 *amd64-linux.elf/upx-3.91
-d6133ca17edfc370015f37182f5a6531830cefc688c127dbe0d45a7212838f0f *amd64-linux.elf/upx-3.95
+9bd019e6442b219825f19082a20e4e73c49b24a4dee39e9e2cf0fc907ecdb46f *amd64-linux.elf/upx-3.95
-027c3eb340c77f31bbc39bc05fb5ba56c2fc33529c445c288b6af26031172442 *amd64-win64.pe/upx-3.95.exe
+382fe4b3e4f575322b746d7d45e4553ba3cf47cb4351b9900508fb52a00118ad *amd64-win64.pe/upx-3.95.exe
-7b9ef1fd569242b03ca8b4c6dabf880271cb3755cd00c08d15a77dc00bc05f83 *arm-linux.elf/upx-3.95
+ae71103c2e105099ab345a648abf109b9aec3039137c90af30710dd4a4b51736 *arm-linux.elf/upx-3.95
-bbeb21e516bf50e7d35cffb364337c6f157a31ddcacc3d43a2b2dfda8b8da3be *arm-wince.pe/upx-3.91.exe
+9150f49be3fcb03a5f23b209e5db443c9b96fa4d8e20d3730195f9eafff5d8e8 *arm-wince.pe/upx-3.91.exe
-d8314cfd96fc2c9d83db69ea9746fdf5653fd3a6476f271d6c244976ab7ac9ff *arm64-linux.elf/upx-3.95
+100d9cee849b7996cbde2dc82df766e5104ae030055ae9b286c53b60e9e51405 *arm64-linux.elf/upx-3.95
-40c5647b8dbbc287e5686d1dc81e5adf8c68d35438039edac1f201b7f939977c *armeb-linux.elf/upx-3.91
+43ded21db5b7b8355bc371e39cd3b1be05e91635e3cb6d64f9a8aea16127e157 *armeb-linux.elf/upx-3.91
-047f325e6b0d3c1b0179b9574441957a64601ea67c55d53cf29dc830e34d7578 *armeb-linux.elf/upx-3.95
+b0ac3a36871630af80bb9b6ba94604b3ebc1fe05fdb6d095a7c461916fb3d231 *armeb-linux.elf/upx-3.95
-a1b89d28adae9b26d34d701acac3a32106fce77a380322ee0cbe4a852d692ce6 *i386-dos32.djgpp2.coff/upx-3.91.exe
+36b6a947567386e325f1d3ff84a55ecbd37687e3264cfb0a57aa5e3be5ff85f9 *i386-dos32.djgpp2.coff/upx-3.91.exe
-fd05d0899b87dd4019c10a01d04228aca83203b801c0f5ecd8c25c225a9ab9af *i386-dos32.djgpp2.coff/upx-3.95.exe
+ad02fcac751563d49cb0711d818231c1030bad9ef2b12fd54e60e2bc6510e9d6 *i386-dos32.djgpp2.coff/upx-3.95.exe
-58fa03662e605039f73ade85c00f8bc630623e6b10b304379b1c374f4a4330a1 *i386-linux.elf/upx-3.91
+d1b4e2c81a0baf4ad273dd96722783e9219e69049a78d536757f39761a7cfe8b *i386-linux.elf/upx-3.91
-87d151c5e091586add28d63e08369692836db3cd1988edbf216a21370e01f0b5 *i386-linux.elf/upx-3.95
+6e509d556ccd2af102d43924bd4eb1e9bed9d557e44387769032df4ede525f0d *i386-linux.elf/upx-3.95
-4e8bf3046e35facf27e060277c7e577ea367d05f531ccee950c34c6e3a151d66 *i386-win32.pe/upx-3.91.exe
+2138186fb26cc7983ec4a4ead290573f2e8226fea4a0b9b6d668d86fb21d1573 *i386-win32.pe/upx-3.91.exe
-8f1209d612991ac464f534206b6ce5999c6e689213fc468b289dd990309c312b *i386-win32.pe/upx-3.95.exe
+5f286eaf28bab252a0f4f069b7b88910b9ce62327c4d15837b91ce65e4f9030e *i386-win32.pe/upx-3.95.exe
-6e7513be318b8e4ce2bb48a23bd47f0961ef745fd7f1e25d4439435334e62264 *m68k-atari.tos/upx-3.91.ttp
+0ab25c2cd8cf53a31323464080991344479998f45fd9b215caba003f96e9e11c *m68k-atari.tos/upx-3.91.ttp
-ea1abe9b33a31c5e27896eabf62a7a22640e91f03af336fc22a64366af196d8f *mips-linux.elf/upx-3.95
+ba14b6b4e846d29bd4211fbcdb2a641f55f8a5700806af64c52182736b757f46 *mips-linux.elf/upx-3.95
-f8ee354abac9eeb83c2d3a9101b35181bebbc2d9e9253960b7ccf96b6670d711 *mipsel-linux.elf/upx-3.91
+40c23e16bfe68ec0a59f9651ac747db1e81f07deabc4c22a732e40e03e2b1100 *mipsel-linux.elf/upx-3.91
-cfb11a2da4f598ad20f29a248ac8e28d45dea0a47984d47d075e24e63237ca07 *mipsel-linux.elf/upx-3.95
+7d353d8381c3401c3c9765fa6091c634791ae9b7338ca5b769f63c38f8f418e7 *mipsel-linux.elf/upx-3.95
-541188bdf23b4bf9513a6775ba186cf3d1cdf6a61a0c15177eb4111a51978397 *powerpc-linux.elf/upx-3.91
+b43bd16efb19081fe0945948231486cdd1b1157d193ab7cbbd470594f46c57ca *powerpc-linux.elf/upx-3.91
-cc98a7992d9fee0af3a32c0408213198f8d2d407a44ae25d228057dfce0ef3dc *powerpc-linux.elf/upx-3.95
+7a8a24fa57d17f99b11133a0822a5e499681d09695525b80f8c61d90d06c4ac8 *powerpc-linux.elf/upx-3.95
-20409135c1b03e9f2dcf50266db27a6b7a0259cc073d2bc47b4264c64342bf8c *powerpc64le-linux.elf/upx-3.95
+0339ffc1d99f5b5ad12e8492b6a9dc707f705a120494a6bc453fb8617808d10a *powerpc64le-linux.elf/upx-3.95
 "
 ########## end .sha256sums.recreate

misc/testsuite/upx_testsuite_1.sh

@@ -3,17 +3,21 @@
 set -e; set -o pipefail
 argv0=$0; argv0abs=$(readlink -fn "$argv0"); argv0dir=$(dirname "$argv0abs")
 
+#
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
 # very first version of the upx-testsuite; requires:
 #   $upx_exe                (required, but with convenience fallback "./upx")
 #   $upx_testsuite_SRCDIR   (required, but with convenience fallback)
 #   $upx_testsuite_BUILDDIR (optional)
 #
 # optional settings:
-#   $upx_exe_runner         (e.g. "qemu-x86_64 -cpu Westmere" or "valgrind")
+#   $upx_exe_runner         (e.g. "qemu-x86_64 -cpu Nehalem" or "valgrind")
 #   $UPX_TESTSUITE_VERBOSE
 #   $UPX_TESTSUITE_LEVEL
 #
 # see https://github.com/upx/upx-testsuite.git
+#
 
 #***********************************************************************
 # init & checks
@@ -25,21 +29,25 @@ if [[ -z $upx_exe ]]; then echo "UPX-ERROR: please set \$upx_exe"; exit 1; fi
 if [[ ! -f $upx_exe ]]; then echo "UPX-ERROR: file '$upx_exe' does not exist"; exit 1; fi
 upx_exe=$(readlink -fn "$upx_exe") # make absolute
 [[ -f $upx_exe ]] || exit 1
-upx_run=()
+
+# set emu and run_upx
+emu=()
 if [[ -n $upx_exe_runner ]]; then
     # usage examples:
-    #   export upx_exe_runner="qemu-x86_64 -cpu Westmere"
+    #   export upx_exe_runner="qemu-x86_64 -cpu Nehalem"
     #   export upx_exe_runner="valgrind --leak-check=no --error-exitcode=1 --quiet"
     #   export upx_exe_runner="wine"
-    IFS=' ' read -r -a upx_run <<< "$upx_exe_runner" # split at spaces into array
+    IFS=' ' read -r -a emu <<< "$upx_exe_runner" # split at spaces into array
+elif [[ -n $CMAKE_CROSSCOMPILING_EMULATOR ]]; then
+    IFS=';' read -r -a emu <<< "$CMAKE_CROSSCOMPILING_EMULATOR" # split at semicolons into array
 fi
-upx_run+=( "$upx_exe" )
+run_upx=( "${emu[@]}" "$upx_exe" )
-echo "upx_run='${upx_run[*]}'"
+echo "run_upx='${run_upx[*]}'"
 
-# upx_run check, part1
+# run_upx sanity check
-if ! "${upx_run[@]}" --version-short >/dev/null; then echo "UPX-ERROR: FATAL: upx --version-short FAILED"; exit 1; fi
+if ! "${run_upx[@]}" --version-short >/dev/null; then echo "UPX-ERROR: FATAL: upx --version-short FAILED"; exit 1; fi
-if ! "${upx_run[@]}" -L >/dev/null 2>&1; then echo "UPX-ERROR: FATAL: upx -L FAILED"; exit 1; fi
+if ! "${run_upx[@]}" -L >/dev/null 2>&1; then echo "UPX-ERROR: FATAL: upx -L FAILED"; exit 1; fi
-if ! "${upx_run[@]}" --help >/dev/null;  then echo "UPX-ERROR: FATAL: upx --help FAILED"; exit 1; fi
+if ! "${run_upx[@]}" --help >/dev/null;  then echo "UPX-ERROR: FATAL: upx --help FAILED"; exit 1; fi
 
 # upx_testsuite_SRCDIR
 if [[ -z $upx_testsuite_SRCDIR ]]; then
@@ -68,19 +76,30 @@ fi
 mkdir -p "$upx_testsuite_BUILDDIR" || exit 1
 upx_testsuite_BUILDDIR=$(readlink -fn "$upx_testsuite_BUILDDIR") # make absolute
 [[ -d $upx_testsuite_BUILDDIR ]] || exit 1
-
 cd / && cd "$upx_testsuite_BUILDDIR" || exit 1
 : > ./.mfxnobackup
 
-# upx_run check, part2
+# run_upx sanity check after "cd"
-if ! "${upx_run[@]}" --version-short >/dev/null; then
+if ! "${run_upx[@]}" --version-short >/dev/null; then
     echo "UPX-ERROR: FATAL: upx --version-short FAILED"
     echo "please make sure that \$upx_exe contains ABSOLUTE file paths and can be run from any directory"
-    echo "INFO: upx_run='${upx_run[*]}'"
+    echo "INFO: run_upx='${run_upx[*]}'"
     exit 1
 fi
-if ! "${upx_run[@]}" -L >/dev/null 2>&1; then echo "UPX-ERROR: FATAL: upx -L FAILED"; exit 1; fi
+
-if ! "${upx_run[@]}" --help >/dev/null;  then echo "UPX-ERROR: FATAL: upx --help FAILED"; exit 1; fi
+#***********************************************************************
+# setup
+#***********************************************************************
+
+#set -x # debug
+
+exit_code=0
+num_errors=0
+all_errors=
+
+export UPX="--prefer-ucl --no-color --no-progress"
+export UPX_DEBUG_DISABLE_GITREV_WARNING=1
+export UPX_DEBUG_DOCTEST_DISABLE=1 # already checked above
 
 case $UPX_TESTSUITE_LEVEL in
     [0-8]) ;;
@@ -91,19 +110,6 @@ if [[ $UPX_TESTSUITE_LEVEL == 0 ]]; then
     exit 0
 fi
 
-#***********************************************************************
-# setup
-#***********************************************************************
-
-#set -x # debug
-exit_code=0
-num_errors=0
-all_errors=
-
-export UPX="--prefer-ucl --no-color --no-progress"
-export UPX_DEBUG_DISABLE_GITREV_WARNING=1
-export UPX_DEBUG_DOCTEST_VERBOSE=0
-
 rm -rf ./testsuite_1
 mkdir testsuite_1 || exit 1
 cd testsuite_1 || exit 1
@@ -115,11 +121,11 @@ cd testsuite_1 || exit 1
 run_upx() {
     local ec=0
     if [[ $UPX_TESTSUITE_VERBOSE == 1 ]]; then
-        echo "LOG: '${upx_run[*]}' $*"
+        echo "LOG: '${run_upx[*]}' $*"
     fi
-    "${upx_run[@]}" "$@" || ec=$?
+    "${run_upx[@]}" "$@" || ec=$?
     if [[ $ec != 0 ]]; then
-        echo "FATAL: '${upx_run[*]}' $*"
+        echo "FATAL: '${run_upx[*]}' $*"
         echo "  (exit code was $ec)"
         exit 42
     fi
@@ -313,7 +319,7 @@ ls -l "$upx_exe"
 if command -v file >/dev/null; then
     file "$upx_exe" || true
 fi
-echo "upx_run='${upx_run[*]}'"
+echo "run_upx='${run_upx[*]}'"
 echo "upx_testsuite_SRCDIR='$upx_testsuite_SRCDIR'"
 echo "upx_testsuite_BUILDDIR='$upx_testsuite_BUILDDIR'"
 echo ".sha256sums.{expected,current} counts:"

misc/valgrind/musl.supp

@@ -0,0 +1,41 @@
+#
+# valgrind suppressions for musl libc
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
+
+# musl malloc
+{
+   musl-malloc-enframe
+   Memcheck:Cond
+   fun:enframe
+}
+
+# these are only needed for older musl versions
+
+{
+   musl-malloc-mal0_clear
+   Memcheck:Cond
+   fun:mal0_clear
+   fun:calloc
+}
+
+{
+   musl-string-memchr
+   Memcheck:Cond
+   fun:memchr
+}
+{
+   musl-string-stpcpy
+   Memcheck:Cond
+   fun:stpcpy
+}
+{
+   musl-string-strchrnul
+   Memcheck:Cond
+   fun:strchrnul
+}
+{
+   musl-string-strlen
+   Memcheck:Cond
+   fun:strlen
+}

src/Makefile

@@ -3,9 +3,8 @@
 # Copyright (C) Markus Franz Xaver Johannes Oberhumer
 #
 
-# NOTE: this Makefile is deprecated - please directly use the CMake build
+# NOTE: this Makefile is intended for developers - please use
-# instead. And see the top-level Makefile for some pre-defined CMake
+#   the top-level Makefile instead
-# build configurations.
 
 ifndef srcdir
   srcdir := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
@@ -14,38 +13,32 @@ ifndef top_srcdir
   top_srcdir := $(srcdir)/..
 endif
 
-#
+#***********************************************************************
-# redirect to top-level CMake build
+# redirect to top-level Makefile
-#
+#***********************************************************************
 
-# NOTE that top-level Makefile .DEFAULT_GOAL is build/release
+# NOTE that the top-level Makefile .DEFAULT_GOAL is build/release
-.DEFAULT_GOAL = build/debug
+.DEFAULT_GOAL = build/all
-
-build/debug:   $(top_srcdir)/build/debug/upx
-build/release: $(top_srcdir)/build/release/upx
 
 .NOTPARALLEL: # because the actual builds use "cmake --parallel"
 .PHONY: PHONY
 .SECONDEXPANSION:
 .SUFFIXES:
 
-# shortcuts (all => debug + release)
+build/debug build/release build/all:                PHONY; $(MAKE) -C $(top_srcdir) $@
-debug:   build/debug
+build/debug+test build/release+test build/all+test: PHONY; $(MAKE) -C $(top_srcdir) $@
-release: build/release
+# shortcuts
-all build/all: build/debug build/release
+debug release all:                                  PHONY; $(MAKE) -C $(top_srcdir) $@
+debug+test release+test all+test:                   PHONY; $(MAKE) -C $(top_srcdir) $@
 
-$(top_srcdir)/build/debug/upx: PHONY
+test: $$(patsubst %+test,%,$$(.DEFAULT_GOAL))+test PHONY
-	$(MAKE) -C $(top_srcdir) build/debug
-$(top_srcdir)/build/release/upx: PHONY
-	$(MAKE) -C $(top_srcdir) build/release
 
-#
+#***********************************************************************
-# "make run-testsuite"
+# make run-testsuite
-# see https://github.com/upx/upx-testsuite.git
+# git clone https://github.com/upx/upx-testsuite.git
-#
+#***********************************************************************
 
-# search for the UPX testsuite -- git clone https://github.com/upx/upx-testsuite.git
+# search for the UPX testsuite; you can override by setting "upx_testsuite_SRCDIR"
-# you also can override upx_testsuite_SRCDIR
 ifndef upx_testsuite_SRCDIR
 # search standard locations below $(top_srcdir)
 ifneq ($(wildcard $(top_srcdir)/../upx--upx-testsuite.git/files/packed/.),)
@@ -59,47 +52,57 @@ endif
 
 # run the UPX testsuite
 # The expected (old) checksums are in $(top_srcdir)/misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
-# The   actual (new) checksums are in ./tmp-upx-testsuite/testsuite_1/.sha256sums.recreate
+# The   actual (new) checksums are in ./tmp-upx-testsuite-*/testsuite_1/.sha256sums.recreate
 ifneq ($(wildcard $(upx_testsuite_SRCDIR)/files/packed/.),)
 ifneq ($(wildcard $(top_srcdir)/misc/testsuite/upx_testsuite_1.sh),)
-run-testsuite: run-testsuite-release
+run-testsuite:     run-testsuite-release PHONY
+run-testsuite-all: run-testsuite-debug run-testsuite-release PHONY
 run-testsuite-%: export upx_testsuite_SRCDIR := $(upx_testsuite_SRCDIR)
-run-testsuite-%: export upx_testsuite_BUILDDIR := ./tmp-upx-testsuite
+run-testsuite-debug: export upx_testsuite_BUILDDIR := ./tmp-upx-testsuite-debug
 run-testsuite-debug: export upx_exe := $(top_srcdir)/build/debug/upx
-run-testsuite-debug: PHONY $(top_srcdir)/build/debug/upx
+run-testsuite-debug: build/debug PHONY
 	time -p bash $(top_srcdir)/misc/testsuite/upx_testsuite_1.sh
+run-testsuite-release: export upx_testsuite_BUILDDIR := ./tmp-upx-testsuite-release
 run-testsuite-release: export upx_exe := $(top_srcdir)/build/release/upx
-run-testsuite-release: PHONY $(top_srcdir)/build/release/upx
+run-testsuite-release: build/release PHONY
 	time -p bash $(top_srcdir)/misc/testsuite/upx_testsuite_1.sh
 endif
 endif
 
-#
+#***********************************************************************
-# "make check-whitespace"
+# make check-whitespace
-#
+#***********************************************************************
 
-ifneq ($(wildcard /usr/bin/env),) # needs bash, perl, xargs, etc.
+ifneq ($(wildcard /usr/bin/env),) # need Unix utils like bash, perl, sed, xargs, etc.
-CHECK_WHITESPACE = $(top_srcdir)/misc/scripts/check_whitespace.sh $(top_srcdir)
+
+CHECK_WHITESPACE = bash $(top_srcdir)/misc/scripts/check_whitespace.sh $(top_srcdir)
 ifneq ($(wildcard $(top_srcdir)/.git/.),)
-CHECK_WHITESPACE = $(top_srcdir)/misc/scripts/check_whitespace_git.sh $(top_srcdir)
+CHECK_WHITESPACE = bash $(top_srcdir)/misc/scripts/check_whitespace_git.sh $(top_srcdir)
 endif
 check-whitespace: PHONY; $(CHECK_WHITESPACE)
-endif
 
-#
+endif # /usr/bin/env
-# "make clang-format"
+
-#
+#***********************************************************************
+# make clang-format
+#***********************************************************************
 
 # automatically format some C++ source code files
+ifneq ($(wildcard /usr/bin/env),)
 ifeq ($(shell uname),Linux)
+
 # Markus loves clang-format, but John hates it; find a compromise
-CLANG_FORMAT_EXCLUDE_FILES += conf.h miniacc.h stub/%.h
+CLANG_FORMAT_EXCLUDE_FILES += stub/%.h util/miniacc.h
-CLANG_FORMAT_EXCLUDE_FILES += p_elf.h p_elf_enum.h p_lx_% p_mach% p_unix% p_vmlin%
+CLANG_FORMAT_EXCLUDE_FILES += p_lx_% p_mach% p_unix% p_vmlin%
 CLANG_FORMAT_FILES := $(sort $(wildcard *.[ch]* ../maint/src/*.[ch]* */*.[ch]*))
-CLANG_FORMAT_FILES := $(filter-out $(CLANG_FORMAT_EXCLUDE_FILES),$(CLANG_FORMAT_FILES))
+CLANG_FORMAT_FILES += $(sort $(wildcard stub/tools/*/*.[ch]*))
-clang-format: PHONY $(CLANG_FORMAT_FILES)
+CLANG_FORMAT_FILES += $(sort $(wildcard ../misc/cmake/try_compile/*.[ch]*))
+CLANG_FORMAT_FILES := $(sort $(filter-out $(CLANG_FORMAT_EXCLUDE_FILES),$(CLANG_FORMAT_FILES)))
+clang-format: $(CLANG_FORMAT_FILES) PHONY
 	@echo "running upx-clang-format"
-	@$(top_srcdir)/misc/scripts/upx-clang-format.sh -i $(CLANG_FORMAT_FILES)
+	@bash $(top_srcdir)/misc/scripts/upx-clang-format.sh -i $(CLANG_FORMAT_FILES)
-endif
+
+endif # Linux
+endif # /usr/bin/env
 
 # vim:set ts=8 sw=8 noet:

src/bele.h

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -47,8 +47,9 @@
 // try to detect XX16 vs XX32 vs XX64 size mismatches
 **************************************************************************/
 
-#if 0 // permissive version using "void *"
+#if !(DEBUG)
 
+// permissive version using "void *"
 #define REQUIRE_XE16 /*empty*/
 #define REQUIRE_XE24 /*empty*/
 #define REQUIRE_XE32 /*empty*/
@@ -68,20 +69,22 @@ struct LE16;
 struct LE32;
 struct LE64;
 
+namespace bele_detail {
+
 // Note:
 //   void is explicitly allowed (but there is no automatic pointer conversion because of template!)
 //   char is explicitly allowed
 //   byte is explicitly allowed
 template <class T>
-static inline constexpr bool is_xe16_type =
+inline constexpr bool is_xe16_type =
     upx::is_same_any_v<T, void, char, byte, upx_int16_t, upx_uint16_t, BE16, LE16>;
 template <class T>
-static inline constexpr bool is_xe24_type = upx::is_same_any_v<T, void, char, byte>;
+inline constexpr bool is_xe24_type = upx::is_same_any_v<T, void, char, byte>;
 template <class T>
-static inline constexpr bool is_xe32_type =
+inline constexpr bool is_xe32_type =
     upx::is_same_any_v<T, void, char, byte, upx_int32_t, upx_uint32_t, BE32, LE32>;
 template <class T>
-static inline constexpr bool is_xe64_type =
+inline constexpr bool is_xe64_type =
     upx::is_same_any_v<T, void, char, byte, upx_int64_t, upx_uint64_t, BE64, LE64>;
 
 template <class T>
@@ -93,10 +96,12 @@ using enable_if_xe32 = std::enable_if_t<is_xe32_type<T>, T>;
 template <class T>
 using enable_if_xe64 = std::enable_if_t<is_xe64_type<T>, T>;
 
-#define REQUIRE_XE16 template <class XE16, class = enable_if_xe16<XE16> >
+} // namespace bele_detail
-#define REQUIRE_XE24 template <class XE24, class = enable_if_xe24<XE24> >
+
-#define REQUIRE_XE32 template <class XE32, class = enable_if_xe32<XE32> >
+#define REQUIRE_XE16 template <class XE16, class = bele_detail::enable_if_xe16<XE16> >
-#define REQUIRE_XE64 template <class XE64, class = enable_if_xe64<XE64> >
+#define REQUIRE_XE24 template <class XE24, class = bele_detail::enable_if_xe24<XE24> >
+#define REQUIRE_XE32 template <class XE32, class = bele_detail::enable_if_xe32<XE32> >
+#define REQUIRE_XE64 template <class XE64, class = bele_detail::enable_if_xe64<XE64> >
 
 #endif // permissive version
 
@@ -152,11 +157,15 @@ static forceinline void set_ne64(XE64 *p, upx_uint64_t vv) noexcept {
 ACC_COMPILE_TIME_ASSERT_HEADER(sizeof(long) == 4)
 
 // unfortunately *not* constexpr with current MSVC
-static forceinline unsigned bswap16(unsigned v) noexcept {
+static forceinline /*constexpr*/ unsigned bswap16(unsigned v) noexcept {
     return (unsigned) _byteswap_ulong(v << 16);
 }
-static forceinline unsigned bswap32(unsigned v) noexcept { return (unsigned) _byteswap_ulong(v); }
+static forceinline /*constexpr*/ unsigned bswap32(unsigned v) noexcept {
-static forceinline upx_uint64_t bswap64(upx_uint64_t v) noexcept { return _byteswap_uint64(v); }
+    return (unsigned) _byteswap_ulong(v);
+}
+static forceinline /*constexpr*/ upx_uint64_t bswap64(upx_uint64_t v) noexcept {
+    return _byteswap_uint64(v);
+}
 
 #else
 
@@ -266,21 +275,27 @@ inline void set_le24(XE24 *p, unsigned v) noexcept {
     b[2] = ACC_ICONV(byte, (v >> 16) & 0xff);
 }
 
-inline unsigned get_le26(const void *p) noexcept { return get_le32(p) & 0x03ffffff; }
+REQUIRE_XE32
-inline unsigned get_le19_5(const void *p) noexcept { return (get_le32(p) >> 5) & 0x0007ffff; }
+inline unsigned get_le26(const XE32 *p) noexcept { return get_le32(p) & 0x03ffffff; }
-inline unsigned get_le14_5(const void *p) noexcept { return (get_le32(p) >> 5) & 0x00003fff; }
+REQUIRE_XE32
+inline unsigned get_le19_5(const XE32 *p) noexcept { return (get_le32(p) >> 5) & 0x0007ffff; }
+REQUIRE_XE32
+inline unsigned get_le14_5(const XE32 *p) noexcept { return (get_le32(p) >> 5) & 0x00003fff; }
 
-inline void set_le26(void *p, unsigned v) noexcept {
+REQUIRE_XE32
+inline void set_le26(XE32 *p, unsigned v) noexcept {
     // preserve the top 6 bits
     //   set_le32(p, (get_le32(p) & 0xfc000000) | (v & 0x03ffffff));
     // optimized version, saving a runtime bswap32
     set_ne32(p, (get_ne32(p) & ne32_to_le32(0xfc000000)) |
                     (ne32_to_le32(v) & ne32_to_le32(0x03ffffff)));
 }
-inline void set_le19_5(void *p, unsigned v) noexcept {
+REQUIRE_XE32
+inline void set_le19_5(XE32 *p, unsigned v) noexcept {
     set_le32(p, (get_le32(p) & 0xff00001f) | ((v & 0x0007ffff) << 5));
 }
-inline void set_le14_5(void *p, unsigned v) noexcept {
+REQUIRE_XE32
+inline void set_le14_5(XE32 *p, unsigned v) noexcept {
     set_le32(p, (get_le32(p) & 0xfff8001f) | ((v & 0x00003fff) << 5));
 }
 
@@ -289,17 +304,21 @@ inline void set_le14_5(void *p, unsigned v) noexcept {
 **************************************************************************/
 
 static forceinline constexpr int sign_extend(unsigned v, unsigned bits) noexcept {
+#if (ACC_ARCH_M68K) // no barrel shifter
     const unsigned sign_bit = 1u << (bits - 1);
-    v &= sign_bit | (sign_bit - 1);
+    return ACC_ICAST(int, (v & (sign_bit - 1)) - (v & sign_bit));
-    v |= 0u - (v & sign_bit);
+#else
-    return ACC_ICAST(int, v);
+    return ACC_ICAST(int, v << (32 - bits)) >> (32 - bits);
+#endif
 }
 
 static forceinline constexpr upx_int64_t sign_extend(upx_uint64_t v, unsigned bits) noexcept {
+#if (ACC_ARCH_M68K) // no barrel shifter
     const upx_uint64_t sign_bit = 1ull << (bits - 1);
-    v &= sign_bit | (sign_bit - 1);
+    return ACC_ICAST(upx_int64_t, (v & (sign_bit - 1)) - (v & sign_bit));
-    v |= 0ull - (v & sign_bit);
+#else
-    return ACC_ICAST(upx_int64_t, v);
+    return ACC_ICAST(upx_int64_t, v << (64 - bits)) >> (64 - bits);
+#endif
 }
 
 REQUIRE_XE16
@@ -714,10 +733,27 @@ T *operator+(T *ptr, const LE64 &v) noexcept DELETED_FUNCTION;
 template <class T>
 T *operator-(T *ptr, const LE64 &v) noexcept DELETED_FUNCTION;
 
+#if !ALLOW_INT_PLUS_MEMBUFFER
+template <class T>
+T *operator+(const BE16 &v, T *ptr) noexcept DELETED_FUNCTION;
+template <class T>
+T *operator+(const BE32 &v, T *ptr) noexcept DELETED_FUNCTION;
+template <class T>
+T *operator+(const LE16 &v, T *ptr) noexcept DELETED_FUNCTION;
+template <class T>
+T *operator+(const LE32 &v, T *ptr) noexcept DELETED_FUNCTION;
+#endif // ALLOW_INT_PLUS_MEMBUFFER
+
+template <class T>
+T *operator+(const BE64 &v, T *ptr) noexcept DELETED_FUNCTION;
+template <class T>
+T *operator+(const LE64 &v, T *ptr) noexcept DELETED_FUNCTION;
+
 /*************************************************************************
 // global overloads
 **************************************************************************/
 
+// TODO later: move these to upx namespace in util/cxxlib.h; see conf.h
 inline unsigned ALIGN_DOWN(unsigned a, const BE32 &b) { return ALIGN_DOWN(a, unsigned(b)); }
 inline unsigned ALIGN_DOWN(const BE32 &a, unsigned b) { return ALIGN_DOWN(unsigned(a), b); }
 inline unsigned ALIGN_UP(unsigned a, const BE32 &b) { return ALIGN_UP(a, unsigned(b)); }
@@ -728,7 +764,7 @@ inline unsigned ALIGN_DOWN(const LE32 &a, unsigned b) { return ALIGN_DOWN(unsign
 inline unsigned ALIGN_UP(unsigned a, const LE32 &b) { return ALIGN_UP(a, unsigned(b)); }
 inline unsigned ALIGN_UP(const LE32 &a, unsigned b) { return ALIGN_UP(unsigned(a), b); }
 
-// TODO: introduce upx::umax() and upx::umin()
+// TODO later: introduce upx::umax() and upx::umin()
 inline unsigned UPX_MAX(unsigned a, const BE16 &b) { return UPX_MAX(a, unsigned(b)); }
 inline unsigned UPX_MAX(const BE16 &a, unsigned b) { return UPX_MAX(unsigned(a), b); }
 inline unsigned UPX_MIN(unsigned a, const BE16 &b) { return UPX_MIN(a, unsigned(b)); }
@@ -753,6 +789,44 @@ inline unsigned UPX_MIN(const LE32 &a, unsigned b) { return UPX_MIN(unsigned(a),
 // misc support
 **************************************************************************/
 
+// for use with qsort()
+extern "C" {
+int __acc_cdecl_qsort be16_compare(const void *, const void *);
+int __acc_cdecl_qsort be24_compare(const void *, const void *);
+int __acc_cdecl_qsort be32_compare(const void *, const void *);
+int __acc_cdecl_qsort be64_compare(const void *, const void *);
+int __acc_cdecl_qsort le16_compare(const void *, const void *);
+int __acc_cdecl_qsort le24_compare(const void *, const void *);
+int __acc_cdecl_qsort le32_compare(const void *, const void *);
+int __acc_cdecl_qsort le64_compare(const void *, const void *);
+int __acc_cdecl_qsort be16_compare_signed(const void *, const void *);
+int __acc_cdecl_qsort be24_compare_signed(const void *, const void *);
+int __acc_cdecl_qsort be32_compare_signed(const void *, const void *);
+int __acc_cdecl_qsort be64_compare_signed(const void *, const void *);
+int __acc_cdecl_qsort le16_compare_signed(const void *, const void *);
+int __acc_cdecl_qsort le24_compare_signed(const void *, const void *);
+int __acc_cdecl_qsort le32_compare_signed(const void *, const void *);
+int __acc_cdecl_qsort le64_compare_signed(const void *, const void *);
+} // extern "C"
+
+// <type_traits> upx_is_integral; see conf.h
+#define TT_UPX_IS_INTEGRAL(T)                                                                      \
+    template <>                                                                                    \
+    struct upx_is_integral<T> : public std::true_type {};                                          \
+    template <>                                                                                    \
+    struct upx_is_integral<const T> : public std::true_type {};                                    \
+    template <>                                                                                    \
+    struct upx_is_integral<volatile T> : public std::true_type {};                                 \
+    template <>                                                                                    \
+    struct upx_is_integral<const volatile T> : public std::true_type {}
+TT_UPX_IS_INTEGRAL(BE16);
+TT_UPX_IS_INTEGRAL(BE32);
+TT_UPX_IS_INTEGRAL(BE64);
+TT_UPX_IS_INTEGRAL(LE16);
+TT_UPX_IS_INTEGRAL(LE32);
+TT_UPX_IS_INTEGRAL(LE64);
+#undef TT_UPX_IS_INTEGRAL
+
 // native types
 #if (ACC_ABI_BIG_ENDIAN)
 typedef BE16 NE16;
@@ -776,44 +850,6 @@ typedef LE64 NE64;
 #define ne64_compare_signed le64_compare_signed
 #endif
 
-// <type_traits> upx_is_integral
-#define TT_IS_INTEGRAL(T)                                                                          \
-    template <>                                                                                    \
-    struct upx_is_integral<T> : public std::true_type {};                                          \
-    template <>                                                                                    \
-    struct upx_is_integral<const T> : public std::true_type {};                                    \
-    template <>                                                                                    \
-    struct upx_is_integral<volatile T> : public std::true_type {};                                 \
-    template <>                                                                                    \
-    struct upx_is_integral<const volatile T> : public std::true_type {}
-TT_IS_INTEGRAL(BE16);
-TT_IS_INTEGRAL(BE32);
-TT_IS_INTEGRAL(BE64);
-TT_IS_INTEGRAL(LE16);
-TT_IS_INTEGRAL(LE32);
-TT_IS_INTEGRAL(LE64);
-#undef TT_IS_INTEGRAL
-
-// for use with qsort()
-extern "C" {
-int __acc_cdecl_qsort be16_compare(const void *, const void *);
-int __acc_cdecl_qsort be24_compare(const void *, const void *);
-int __acc_cdecl_qsort be32_compare(const void *, const void *);
-int __acc_cdecl_qsort be64_compare(const void *, const void *);
-int __acc_cdecl_qsort le16_compare(const void *, const void *);
-int __acc_cdecl_qsort le24_compare(const void *, const void *);
-int __acc_cdecl_qsort le32_compare(const void *, const void *);
-int __acc_cdecl_qsort le64_compare(const void *, const void *);
-int __acc_cdecl_qsort be16_compare_signed(const void *, const void *);
-int __acc_cdecl_qsort be24_compare_signed(const void *, const void *);
-int __acc_cdecl_qsort be32_compare_signed(const void *, const void *);
-int __acc_cdecl_qsort be64_compare_signed(const void *, const void *);
-int __acc_cdecl_qsort le16_compare_signed(const void *, const void *);
-int __acc_cdecl_qsort le24_compare_signed(const void *, const void *);
-int __acc_cdecl_qsort le32_compare_signed(const void *, const void *);
-int __acc_cdecl_qsort le64_compare_signed(const void *, const void *);
-} // extern "C"
-
 /*************************************************************************
 // Provide namespaces and classes to abstract endianness policies.
 //

src/bele_policy.h

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -34,11 +34,13 @@
 #if defined(BELE_CTP)
 // CTP - Compile-Time Polymorphism (templates)
 #define V  static inline
+#define VV static forceinline_constexpr
 #define S  static int __acc_cdecl_qsort
 #define C  noexcept
 #elif defined(BELE_RTP)
 // RTP - Run-Time Polymorphism (virtual functions)
 #define V  virtual
+#define VV virtual
 #define S  virtual int
 #define C  const noexcept
 #else
@@ -79,12 +81,9 @@ struct AbstractPolicy {
 
 private:
     // disable copy and move
-    AbstractPolicy(const AbstractPolicy &) DELETED_FUNCTION;
+    UPX_CXX_DISABLE_COPY_MOVE(AbstractPolicy)
-    AbstractPolicy &operator=(const AbstractPolicy &) DELETED_FUNCTION;
-    AbstractPolicy(AbstractPolicy &&) noexcept DELETED_FUNCTION;
-    AbstractPolicy &operator=(AbstractPolicy &&) noexcept DELETED_FUNCTION;
     // disable dynamic allocation
-    ACC_CXX_DISABLE_NEW_DELETE
+    UPX_CXX_DISABLE_NEW_DELETE(AbstractPolicy)
 };
 #endif
 
@@ -93,9 +92,9 @@ private:
 #define C const noexcept override
 #endif
 
-struct BEPolicy
+struct BEPolicy final
 #if defined(BELE_RTP)
-    final : public AbstractPolicy
+    : public AbstractPolicy
 #endif
 {
     explicit inline BEPolicy() noexcept {}
@@ -104,8 +103,8 @@ struct BEPolicy
 #elif defined(BELE_RTP)
     typedef N_BELE_CTP::BEPolicy CTP_Policy;
 #endif
-    V bool isBE() C { return true; }
+    VV bool isBE() C { return true; }
-    V bool isLE() C { return false; }
+    VV bool isLE() C { return false; }
 
     typedef BE16 U16;
     typedef BE32 U32;
@@ -147,17 +146,14 @@ struct BEPolicy
 
 private:
     // disable copy and move
-    BEPolicy(const BEPolicy &) DELETED_FUNCTION;
+    UPX_CXX_DISABLE_COPY_MOVE(BEPolicy)
-    BEPolicy &operator=(const BEPolicy &) DELETED_FUNCTION;
-    BEPolicy(BEPolicy &&) noexcept DELETED_FUNCTION;
-    BEPolicy &operator=(BEPolicy &&) noexcept DELETED_FUNCTION;
     // disable dynamic allocation
-    ACC_CXX_DISABLE_NEW_DELETE
+    UPX_CXX_DISABLE_NEW_DELETE(BEPolicy)
 };
 
-struct LEPolicy
+struct LEPolicy final
 #if defined(BELE_RTP)
-    final : public AbstractPolicy
+    : public AbstractPolicy
 #endif
 {
     explicit inline LEPolicy() noexcept {}
@@ -166,8 +162,8 @@ struct LEPolicy
 #elif defined(BELE_RTP)
     typedef N_BELE_CTP::LEPolicy CTP_Policy;
 #endif
-    V bool isBE() C { return false; }
+    VV bool isBE() C { return false; }
-    V bool isLE() C { return true; }
+    VV bool isLE() C { return true; }
 
     typedef LE16 U16;
     typedef LE32 U32;
@@ -209,12 +205,9 @@ struct LEPolicy
 
 private:
     // disable copy and move
-    LEPolicy(const LEPolicy &) DELETED_FUNCTION;
+    UPX_CXX_DISABLE_COPY_MOVE(LEPolicy)
-    LEPolicy &operator=(const LEPolicy &) DELETED_FUNCTION;
-    LEPolicy(LEPolicy &&) noexcept DELETED_FUNCTION;
-    LEPolicy &operator=(LEPolicy &&) noexcept DELETED_FUNCTION;
     // disable dynamic allocation
-    ACC_CXX_DISABLE_NEW_DELETE
+    UPX_CXX_DISABLE_NEW_DELETE(LEPolicy)
 };
 
 // Native Endianness policy (aka host policy)
@@ -229,6 +222,7 @@ typedef LEPolicy HostPolicy;
 #endif
 
 #undef V
+#undef VV
 #undef S
 #undef C
 

src/check/dt_check.cpp

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -24,6 +24,11 @@
    <markus@oberhumer.com>
  */
 
+// doctest checks, and various tests to catch toolchain/qemu/sanitizer/valgrind/wine/etc
+// problems; grown historically
+
+#include "../util/system_headers.h"
+#include <cmath> // std::isinf std::isnan
 #include "../conf.h"
 
 /*************************************************************************
@@ -42,10 +47,7 @@ int upx_doctest_check(int argc, char **argv) {
     UNUSED(argv);
     return 0;
 #else
-    const char *e = getenv("UPX_DEBUG_DOCTEST_DISABLE");
+    if (is_envvar_true("UPX_DEBUG_DOCTEST_DISABLE", "UPX_DEBUG_DISABLE_DOCTEST"))
-    if (!e)
-        e = getenv("UPX_DEBUG_DISABLE_DOCTEST"); // allow alternate spelling
-    if (e && e[0] && strcmp(e, "0") != 0)
         return 0;
     bool minimal = true;   // don't show summary
     bool duration = false; // don't show timings
@@ -54,7 +56,7 @@ int upx_doctest_check(int argc, char **argv) {
     // default for debug builds: do show the [doctest] summary
     minimal = false;
 #endif
-    e = getenv("UPX_DEBUG_DOCTEST_VERBOSE");
+    const char *e = upx_getenv("UPX_DEBUG_DOCTEST_VERBOSE");
     if (e && e[0]) {
         if (strcmp(e, "0") == 0) {
             minimal = true;
@@ -76,7 +78,7 @@ int upx_doctest_check(int argc, char **argv) {
         context.setOption("dt-duration", true);
     if (success)
         context.setOption("dt-success", true);
-    // this requires that main_get_options() understands "--dt-XXX" options
+    // this requires that main_get_options() understands/ignores doctest "--dt-XXX" options
     if (argc > 0 && argv != nullptr)
         context.applyCommandLine(argc, argv);
     int r = context.run();
@@ -125,6 +127,8 @@ ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 257, 8) == 1)
 ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 383, 8) == 127)
 ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 384, 8) == -128)
 ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0u + 511, 8) == -1)
+ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0ull + 0, 1) == 0)
+ACC_COMPILE_TIME_ASSERT_HEADER(sign_extend(0ull + 1, 1) == -1)
 
 ACC_COMPILE_TIME_ASSERT_HEADER(CHAR_BIT == 8)
 #if 0 // does not work with MSVC
@@ -321,6 +325,17 @@ struct TestIntegerWrap {
     static inline bool neg_eq(const T x) noexcept { return T(0) - x == x; }
 };
 
+//
+// basic exception handling checks to early catch toolchain/qemu/wine/etc problems
+//
+
+struct TestDestructor {
+    explicit TestDestructor(int *pp, int vv) noexcept : p(pp), v(vv) {}
+    virtual noinline ~TestDestructor() noexcept { *p = (*p << 2) + v; }
+    int *p;
+    int v;
+};
+
 static noinline void throwSomeValue(int x) may_throw {
     if (x < 0)
         throw int(x);
@@ -328,40 +343,129 @@ static noinline void throwSomeValue(int x) may_throw {
         throw size_t(x);
 }
 
+static noinline void check_exceptions_2(void (*func)(int), int *x) may_throw {
+    TestDestructor d(x, *x);
+    func(*x);
+}
+
 static noinline void check_basic_cxx_exception_handling(void (*func)(int)) noexcept {
     bool cxx_exception_handling_works = false;
+    int x = 1;
     try {
-        func(42);
+        TestDestructor d(&x, 3);
+        check_exceptions_2(func, &x);
     } catch (const size_t &e) {
-        if (e == 42)
+        if (e == 1 && x == 23)
             cxx_exception_handling_works = true;
     } catch (...) {
     }
     assert_noexcept(cxx_exception_handling_works);
 }
 
+//
+// basic floating point checks to early catch toolchain/qemu/wine/etc problems
+//
+
+static noinline float i64_f32_add_div(upx_int64_t a, upx_int64_t b) { return (a + b) / 1000000.0f; }
+static noinline float u64_f32_add_div(upx_uint64_t a, upx_uint64_t b) {
+    return (a + b) / 1000000.0f;
+}
+static noinline float i64_f32_sub_div(upx_int64_t a, upx_int64_t b) { return (a - b) / 1000000.0f; }
+static noinline float u64_f32_sub_div(upx_uint64_t a, upx_uint64_t b) {
+    return (a - b) / 1000000.0f;
+}
+
+static noinline double i64_f64_add_div(upx_int64_t a, upx_int64_t b) { return (a + b) / 1000000.0; }
+static noinline double u64_f64_add_div(upx_uint64_t a, upx_uint64_t b) {
+    return (a + b) / 1000000.0;
+}
+static noinline double i64_f64_sub_div(upx_int64_t a, upx_int64_t b) { return (a - b) / 1000000.0; }
+static noinline double u64_f64_sub_div(upx_uint64_t a, upx_uint64_t b) {
+    return (a - b) / 1000000.0;
+}
+
+template <class Int, class Float>
+struct TestFloat {
+    static constexpr Int X = 1000000;
+    static noinline Float div(Int a, Float f) { return a / f; }
+    static noinline Float add_div(Int a, Int b, Float f) { return Float(a + b) / f; }
+    static noinline Float sub_div(Int a, Int b, Float f) { return Float(a - b) / f; }
+    static noinline Float add_div_x(Int a, Int b) { return Float(a + b) / Float(X); }
+    static noinline Float sub_div_x(Int a, Int b) { return Float(a - b) / Float(X); }
+    static noinline void check() noexcept {
+        assert_noexcept(div(2 * X, Float(X)) == Float(2));
+        assert_noexcept(add_div(X, X, Float(X)) == Float(2));
+        assert_noexcept(add_div_x(X, X) == Float(2));
+        assert_noexcept(sub_div(3 * X, X, Float(X)) == Float(2));
+        assert_noexcept(sub_div_x(3 * X, X) == Float(2));
+        // extra debugging; floating point edge cases cause portability problems in practice
+        static const char envvar[] = "UPX_DEBUG_TEST_FLOAT_DIVISION_BY_ZERO";
+        if (is_envvar_true(envvar)) {
+#if defined(__FAST_MATH__)
+            // warning: comparison with NaN always evaluates to false in fast floating point modes
+            fprintf(stderr, "upx: WARNING: ignoring %s: __FAST_MATH__\n", envvar);
+#else
+            assert_noexcept(std::isnan(div(0, Float(0))));
+            assert_noexcept(std::isinf(div(1, Float(0))));
+            assert_noexcept(std::isinf(div(Int(-1), Float(0))));
+#endif
+        }
+    }
+};
+
+static noinline void check_basic_floating_point(void) noexcept {
+    assert_noexcept(i64_f32_add_div(1000000, 1000000) == 2.0f);
+    assert_noexcept(u64_f32_add_div(1000000, 1000000) == 2.0f);
+    assert_noexcept(i64_f32_sub_div(3000000, 1000000) == 2.0f);
+    assert_noexcept(u64_f32_sub_div(3000000, 1000000) == 2.0f);
+    assert_noexcept(i64_f64_add_div(1000000, 1000000) == 2.0);
+    assert_noexcept(u64_f64_add_div(1000000, 1000000) == 2.0);
+    assert_noexcept(i64_f64_sub_div(3000000, 1000000) == 2.0);
+    assert_noexcept(u64_f64_sub_div(3000000, 1000000) == 2.0);
+    TestFloat<upx_int32_t, float>::check();
+    TestFloat<upx_uint32_t, float>::check();
+    TestFloat<upx_int64_t, float>::check();
+    TestFloat<upx_uint64_t, float>::check();
+    TestFloat<upx_int32_t, double>::check();
+    TestFloat<upx_uint32_t, double>::check();
+    TestFloat<upx_int64_t, double>::check();
+    TestFloat<upx_uint64_t, double>::check();
+}
+
 } // namespace
 
 #define ACC_WANT_ACC_CHK_CH 1
 #undef ACCCHK_ASSERT
-#include "../miniacc.h"
+#include "../util/miniacc.h"
 
 void upx_compiler_sanity_check(void) noexcept {
-    const char *e = getenv("UPX_DEBUG_DOCTEST_DISABLE");
+    check_basic_floating_point();
-    if (!e)
+
-        e = getenv("UPX_DEBUG_DISABLE_DOCTEST"); // allow alternate spelling
+    if (is_envvar_true("UPX_DEBUG_DOCTEST_DISABLE", "UPX_DEBUG_DISABLE_DOCTEST")) {
-    if (e && e[0] && strcmp(e, "0") != 0) {
         // If UPX_DEBUG_DOCTEST_DISABLE is set then we don't want to throw any
         // exceptions in order to improve debugging experience.
     } else {
-        // check working C++ exception handling to catch toolchain/qemu/wine/etc problems
+        // check working C++ exception handling to early catch toolchain/qemu/wine/etc problems
         check_basic_cxx_exception_handling(throwSomeValue);
     }
 
+    // check_basic_decltype()
+    {
+        auto a = +0;
+        constexpr auto b = -0;
+        const auto &c = -1;
+        COMPILE_TIME_ASSERT((std::is_same<int, decltype(a)>::value))
+        COMPILE_TIME_ASSERT((std::is_same<const int, decltype(b)>::value))
+        COMPILE_TIME_ASSERT((std::is_same<const int &, decltype(c)>::value))
+        UNUSED(a);
+        UNUSED(b);
+        UNUSED(c);
+    }
+
 #define ACC_WANT_ACC_CHK_CH 1
 #undef ACCCHK_ASSERT
 #define ACCCHK_ASSERT(expr) ACC_COMPILE_TIME_ASSERT(expr)
-#include "../miniacc.h"
+#include "../util/miniacc.h"
 #undef ACCCHK_ASSERT
 
     COMPILE_TIME_ASSERT(sizeof(char) == 1)
@@ -400,13 +504,25 @@ void upx_compiler_sanity_check(void) noexcept {
     COMPILE_TIME_ASSERT_ALIGNED1(upx_charptr_unit_type)
     COMPILE_TIME_ASSERT(sizeof(*((charptr) nullptr)) == 1)
 
-    COMPILE_TIME_ASSERT(sizeof(UPX_VERSION_STRING4) == 4 + 1)
+    // check UPX_VERSION_xxx
-    assert_noexcept(strlen(UPX_VERSION_STRING4) == 4);
+    {
-    COMPILE_TIME_ASSERT(sizeof(UPX_VERSION_YEAR) == 4 + 1)
+        using upx::compile_time::mem_eq;
-    assert_noexcept(strlen(UPX_VERSION_YEAR) == 4);
+        using upx::compile_time::string_len;
-    assert_noexcept(memcmp(UPX_VERSION_DATE_ISO, UPX_VERSION_YEAR, 4) == 0);
+        static_assert(string_len(UPX_VERSION_STRING4) == 4);
-    assert_noexcept(
+        static_assert(string_len(UPX_VERSION_YEAR) == 4);
-        memcmp(&UPX_VERSION_DATE[sizeof(UPX_VERSION_DATE) - 1 - 4], UPX_VERSION_YEAR, 4) == 0);
+        static_assert(string_len(UPX_VERSION_DATE_ISO) == 10);
+        static_assert(string_len(UPX_VERSION_DATE) == 12 || string_len(UPX_VERSION_DATE) == 13);
+        static_assert(mem_eq(UPX_VERSION_STRING4, UPX_VERSION_STRING, 3));
+        static_assert(mem_eq(UPX_VERSION_YEAR, UPX_VERSION_DATE_ISO, 4));
+        static_assert(mem_eq(UPX_VERSION_YEAR, &UPX_VERSION_DATE[sizeof(UPX_VERSION_DATE) - 5], 4));
+        char buf[16];
+        constexpr long long v = UPX_VERSION_HEX;
+        upx_safe_snprintf(buf, sizeof(buf), "%lld.%lld.%lld", (v >> 16), (v >> 8) & 255, v & 255);
+        assert_noexcept(strcmp(buf, UPX_VERSION_STRING) == 0);
+        upx_safe_snprintf(buf, sizeof(buf), "%lld.%lld%lld", (v >> 16), (v >> 8) & 255, v & 255);
+        assert_noexcept(strcmp(buf, UPX_VERSION_STRING4) == 0);
+    }
+
     if (gitrev[0]) {
         size_t revlen = strlen(gitrev);
         if (strncmp(gitrev, "ERROR", 5) == 0) {
@@ -468,6 +584,38 @@ void upx_compiler_sanity_check(void) noexcept {
         assert_noexcept(get_be32_signed(d) == 2138996092);
         assert_noexcept(get_be64_signed(d) == 9186918263483431288LL);
     }
+#if DEBUG >= 1
+    {
+        for (int i = 0; i < 256; i++) {
+            {
+                const unsigned u = i;
+                assert_noexcept(sign_extend(u, 1) == ((i & 1) ? -1 : 0));
+                assert_noexcept(sign_extend(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
+                assert_noexcept(sign_extend(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
+                assert_noexcept(sign_extend(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
+                assert_noexcept(sign_extend(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
+                assert_noexcept(sign_extend(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
+                assert_noexcept(sign_extend(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
+                assert_noexcept(sign_extend(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
+                assert_noexcept(sign_extend(u, 32) == i);
+                assert_noexcept(sign_extend(0u - u, 32) == -i);
+            }
+            {
+                const upx_uint64_t u = i;
+                assert_noexcept(sign_extend(u, 1) == ((i & 1) ? -1 : 0));
+                assert_noexcept(sign_extend(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
+                assert_noexcept(sign_extend(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
+                assert_noexcept(sign_extend(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
+                assert_noexcept(sign_extend(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
+                assert_noexcept(sign_extend(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
+                assert_noexcept(sign_extend(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
+                assert_noexcept(sign_extend(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
+                assert_noexcept(sign_extend(u, 64) == i);
+                assert_noexcept(sign_extend(0ull - u, 64) == -i);
+            }
+        }
+    }
+#endif
     {
         unsigned dd;
         void *const d = &dd;
@@ -540,7 +688,7 @@ void upx_compiler_sanity_check(void) noexcept {
 **************************************************************************/
 
 TEST_CASE("assert_noexcept") {
-    // just to make sure that our own assert() macros don't generate any warnings
+    // just to make sure that our own assert() macros do not trigger any compiler warnings
     byte dummy = 0;
     byte *ptr1 = &dummy;
     const byte *const ptr2 = &dummy;
@@ -562,6 +710,25 @@ TEST_CASE("acc_vget") {
     CHECK_EQ(acc_vget_long(1, -1), 1);
     CHECK_EQ(acc_vget_acc_int64l_t(2, 1), 2);
     CHECK_EQ(acc_vget_acc_hvoid_p(nullptr, 0), nullptr);
+    if (acc_vget_int(1, 0) > 0)
+        return;
+    assert_noexcept(false);
+}
+
+TEST_CASE("ptr_invalidate_and_poison") {
+    int *ip = nullptr; // initialized
+    ptr_invalidate_and_poison(ip);
+    assert(ip != nullptr);
+    (void) ip;
+    double *dp; // not initialized
+    ptr_invalidate_and_poison(dp);
+    assert(dp != nullptr);
+    (void) dp;
+}
+
+TEST_CASE("upx_getenv") {
+    CHECK_EQ(upx_getenv(nullptr), nullptr);
+    CHECK_EQ(upx_getenv(""), nullptr);
 }
 
 TEST_CASE("working -fno-strict-aliasing") {
@@ -624,13 +791,23 @@ TEST_CASE("libc snprintf") {
     CHECK_EQ(strcmp(buf, "-6.0.0.0.0.0.0.0.6.ffffffffffffffff"), 0);
     snprintf(buf, sizeof(buf), "%d.%d.%d.%d.%d.%d.%d.%d.%d.%#jx", -7, 0, 0, 0, 0, 0, 0, 0, 7, um);
     CHECK_EQ(strcmp(buf, "-7.0.0.0.0.0.0.0.7.0xffffffffffffffff"), 0);
+    snprintf(buf, sizeof(buf), "%#X %#lx %#llx", 26u, 27ul, 28ull);
+    CHECK_EQ(strcmp(buf, "0X1A 0x1b 0x1c"), 0);
+    snprintf(buf, sizeof(buf), "%#06x %#06lX %#06llx", 26u, 27ul, 28ull);
+    CHECK_EQ(strcmp(buf, "0x001a 0X001B 0x001c"), 0);
+    snprintf(buf, sizeof(buf), "%#6x %#6lx %#6llX", 26u, 27ul, 28ull);
+    CHECK_EQ(strcmp(buf, "  0x1a   0x1b   0X1C"), 0);
+    snprintf(buf, sizeof(buf), "%#-6X %#-6lx %#-6llx", 26u, 27ul, 28ull);
+    CHECK_EQ(strcmp(buf, "0X1A   0x1b   0x1c  "), 0);
 }
 
-#if 0
 TEST_CASE("libc qsort") {
     // runtime check that libc qsort() never compares identical objects
-    // UPDATE: while only poor implementations of qsort() would actually do
+    // UPDATE: while only poor implementations of qsort() would actually do this
-    //   this, it is probably allowed by the standard; so skip this test case
+    //   it is probably allowed by the standard, so skip this test by default
+    if (!is_envvar_true("UPX_DEBUG_TEST_LIBC_QSORT"))
+        return;
+
     struct Elem {
         upx_uint16_t id;
         upx_uint16_t value;
@@ -640,35 +817,41 @@ TEST_CASE("libc qsort") {
             assert_noexcept(a->id != b->id); // check not IDENTICAL
             return a->value < b->value ? -1 : (a->value == b->value ? 0 : 1);
         }
-        static bool check_sort(upx_sort_func_t sort, Elem *e, size_t n) {
+        static noinline bool check_sort(upx_sort_func_t sort, Elem *e, size_t n, bool is_stable) {
-            upx_uint32_t x = 5381 + n + ((upx_uintptr_t) e & 0xff);
+            upx_uint32_t x = 5381 + (upx_rand() & 255);
             for (size_t i = 0; i < n; i++) {
                 e[i].id = (upx_uint16_t) i;
                 x = x * 33 + 1 + (i & 255);
-                e[i].value = (upx_uint16_t) x;
+                e[i].value = (upx_uint16_t) ((x >> 4) & 15);
             }
             sort(e, n, sizeof(Elem), Elem::compare);
-            for (size_t i = 1; i < n; i++)
+            // verify
+            for (size_t i = 1; i < n; i++) {
                 if very_unlikely (e[i - 1].value > e[i].value)
                     return false;
+                if (is_stable)
+                    if very_unlikely (e[i - 1].value == e[i].value && e[i - 1].id >= e[i].id)
+                        return false;
+            }
             return true;
         }
     };
     constexpr size_t N = 4096;
     Elem e[N];
     for (size_t n = 0; n <= N; n = 2 * n + 1) {
-        // CHECK(Elem::check_sort(qsort, e, n)); // libc qsort()
+        // system sort functions
-        CHECK(Elem::check_sort(upx_gnomesort, e, n));
+        CHECK(Elem::check_sort(::qsort, e, n, false)); // libc qsort()
-        CHECK(Elem::check_sort(upx_shellsort_memswap, e, n));
-        CHECK(Elem::check_sort(upx_shellsort_memcpy, e, n));
 #if UPX_CONFIG_USE_STABLE_SORT
         upx_sort_func_t wrap_stable_sort = [](void *aa, size_t nn, size_t, upx_compare_func_t cc) {
             upx_std_stable_sort<sizeof(Elem)>(aa, nn, cc);
         };
-        CHECK(Elem::check_sort(wrap_stable_sort, e, n));
+        CHECK(Elem::check_sort(wrap_stable_sort, e, n, true)); // std::stable_sort()
 #endif
+        // simple UPX sort functions
+        CHECK(Elem::check_sort(upx_gnomesort, e, n, true));
+        CHECK(Elem::check_sort(upx_shellsort_memswap, e, n, false));
+        CHECK(Elem::check_sort(upx_shellsort_memcpy, e, n, false));
     }
 }
-#endif
 
 /* vim:set ts=4 sw=4 et: */

src/check/dt_cxxlib.cpp

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -24,6 +24,11 @@
    <markus@oberhumer.com>
  */
 
+// lots of tests (and probably quite a number of redundant tests)
+// modern compilers will optimize away much of this code
+
+#include "../util/system_headers.h"
+#include <vector> // std::vector
 #include "../conf.h"
 
 /*************************************************************************
@@ -46,16 +51,32 @@ ACC_COMPILE_TIME_ASSERT_HEADER((!upx::is_same_any_v<int, char>) )
 ACC_COMPILE_TIME_ASSERT_HEADER((!upx::is_same_any_v<int, char, char>) )
 ACC_COMPILE_TIME_ASSERT_HEADER((!upx::is_same_any_v<int, char, long>) )
 
+ACC_COMPILE_TIME_ASSERT_HEADER((upx::is_same_any_v<ptrdiff_t, int, long, long long>) )
+ACC_COMPILE_TIME_ASSERT_HEADER(
+    (upx::is_same_any_v<size_t, unsigned, unsigned long, unsigned long long>) )
+ACC_COMPILE_TIME_ASSERT_HEADER(
+    (upx::is_same_any_v<upx_uintptr_t, unsigned, unsigned long, unsigned long long>) )
+
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(int) == sizeof(int))
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof('a') == sizeof(char))
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof("") == 1)
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof("a") == 2)
+ACC_COMPILE_TIME_ASSERT_HEADER(usizeof("ab") == 3)
+ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(L'a') == sizeof(wchar_t))
+ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(L"") == 1 * sizeof(wchar_t))
+ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(L"a") == 2 * sizeof(wchar_t))
+ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(L"ab") == 3 * sizeof(wchar_t))
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(0) == sizeof(int))
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(0L) == sizeof(long))
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(0LL) == sizeof(long long))
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(nullptr) == sizeof(void *))
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(sizeof(0)) == sizeof(size_t))
 ACC_COMPILE_TIME_ASSERT_HEADER(usizeof(usizeof(0)) == sizeof(unsigned))
+#if 0
+// works, but may trigger clang/gcc warnings "-Wunused-value"
+ACC_COMPILE_TIME_ASSERT_HEADER(usizeof((1LL, 1)) == sizeof(int))
+ACC_COMPILE_TIME_ASSERT_HEADER(usizeof((1, 1LL)) == sizeof(long long))
+#endif
 
 namespace compile_time = upx::compile_time;
 ACC_COMPILE_TIME_ASSERT_HEADER(compile_time::string_len("") == 0)
@@ -84,11 +105,298 @@ ACC_COMPILE_TIME_ASSERT_HEADER(!compile_time::string_gt("abc", "abz"))
 ACC_COMPILE_TIME_ASSERT_HEADER(!compile_time::string_ge("abc", "abz"))
 ACC_COMPILE_TIME_ASSERT_HEADER(compile_time::string_le("abc", "abz"))
 
+ACC_COMPILE_TIME_ASSERT_HEADER(compile_time::mem_eq((const char *) nullptr, nullptr, 0))
+ACC_COMPILE_TIME_ASSERT_HEADER(compile_time::mem_eq((const byte *) nullptr, nullptr, 0))
+ACC_COMPILE_TIME_ASSERT_HEADER(compile_time::mem_eq("", "", 0))
+ACC_COMPILE_TIME_ASSERT_HEADER(compile_time::mem_eq("abc", "abc", 3))
+ACC_COMPILE_TIME_ASSERT_HEADER(!compile_time::mem_eq("abc", "abz", 3))
+
+/*************************************************************************
+//
+**************************************************************************/
+
+TEST_CASE("std::vector") {
+    constexpr size_t N = 16;
+    std::vector<int> v(N);
+    CHECK(v.end() - v.begin() == N);
+    CHECK(&v[0] == &(*(v.begin())));
+    // CHECK(&v[0] + N == &(*(v.end()))); // TODO later: is this legal??
+    // TODO later: make sure that this throws
+#if defined(_LIBCPP_HARDENING_MODE_DEBUG) &&                                                       \
+    (_LIBCPP_HARDENING_MODE == _LIBCPP_HARDENING_MODE_DEBUG)
+    CHECK_THROWS((void) &v[N]);
+#endif
+    UNUSED(v);
+}
+
+/*************************************************************************
+// UPX_CXX_DISABLE_xxx
+**************************************************************************/
+
+namespace {
+template <class TA, class TB, int TC = 0>
+struct MyType1 {
+    MyType1() noexcept {}
+    UPX_CXX_DISABLE_ADDRESS(MyType1)
+    UPX_CXX_DISABLE_COPY_MOVE(MyType1)
+    UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL(MyType1)
+};
+template <class TA, class TB, int TC = 0>
+struct MyType2 {
+    MyType2() noexcept {}
+    UPX_CXX_DISABLE_COPY_MOVE(MyType2)
+    typedef MyType2<TA, TB, TC> Self;
+    UPX_CXX_DISABLE_ADDRESS(Self)
+    UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL(Self)
+};
+template <class TA, class TB, int TC = 0>
+struct MyVType1 {
+    MyVType1() noexcept {}
+    virtual ~MyVType1() noexcept {}
+    UPX_CXX_DISABLE_ADDRESS(MyVType1)
+    UPX_CXX_DISABLE_COPY_MOVE(MyVType1)
+    UPX_CXX_DISABLE_NEW_DELETE(MyVType1)
+};
+template <class TA, class TB, int TC = 0>
+struct MyVType2 {
+    MyVType2() noexcept {}
+    virtual ~MyVType2() noexcept {}
+    UPX_CXX_DISABLE_COPY_MOVE(MyVType2)
+    typedef MyVType2<TA, TB, TC> Self;
+    UPX_CXX_DISABLE_ADDRESS(Self)
+    UPX_CXX_DISABLE_NEW_DELETE(Self)
+};
+TEST_CASE("UPX_CXX_DISABLE_xxx") {
+    MyType1<char, int, 1> dummy1;
+    MyType2<char, int, 2> dummy2;
+    MyVType1<char, int, 1> vdummy1;
+    MyVType2<char, int, 2> vdummy2;
+    (void) dummy1;
+    (void) dummy2;
+    (void) vdummy1;
+    (void) vdummy2;
+}
+} // namespace
+
+namespace test_disable_new_delete {
+
+struct A1 {
+    int a;
+};
+struct A2 {
+    int a;
+    UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL(A2)
+};
+struct B1_A1 : public A1 {
+    int b;
+};
+struct B1_A2 : public A2 {
+    int b;
+};
+struct B2_A1 : public A1 {
+    int b;
+    UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL(B2_A1)
+};
+struct B2_A2 : public A2 {
+    int b;
+    UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL(B2_A2)
+};
+
+struct X1 {
+    virtual ~X1() noexcept {}
+    int x;
+};
+struct X2 {
+    virtual ~X2() noexcept {}
+    int x;
+    UPX_CXX_DISABLE_NEW_DELETE(X2)
+};
+struct Y1_X1 : public X1 {
+    int y;
+};
+struct Y1_X2 : public X2 {
+    int y;
+};
+struct Y2_X1 : public X1 {
+    int y;
+    UPX_CXX_DISABLE_NEW_DELETE(Y2_X1)
+};
+struct Y2_X2 : public X2 {
+    int y;
+    UPX_CXX_DISABLE_NEW_DELETE(Y2_X2)
+};
+struct Z1_X1 : public X1 {
+    virtual ~Z1_X1() noexcept {}
+    int z;
+};
+struct Z1_X2 : public X2 {
+    virtual ~Z1_X2() noexcept {}
+    int z;
+};
+struct Z2_X1 : public X1 {
+    virtual ~Z2_X1() noexcept {}
+    int z;
+    UPX_CXX_DISABLE_NEW_DELETE(Z2_X1)
+};
+struct Z2_X2 : public X2 {
+    virtual ~Z2_X2() noexcept {}
+    int z;
+    UPX_CXX_DISABLE_NEW_DELETE(Z2_X2)
+};
+
+} // namespace test_disable_new_delete
+
 /*************************************************************************
 // util
 **************************************************************************/
 
-TEST_CASE("noncopyable") {
+#if WITH_THREADS
+TEST_CASE("upx::ptr_std_atomic_cast") {
+    // pointer-size
+    CHECK_EQ(upx::ptr_std_atomic_cast((void **) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((uintptr_t *) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((upx_uintptr_t *) nullptr), nullptr);
+#if 1
+    // more fundamental types
+    CHECK_EQ(upx::ptr_std_atomic_cast((char *) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((short *) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((int *) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((long *) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((ptrdiff_t *) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((size_t *) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((upx_int8_t *) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((upx_int16_t *) nullptr), nullptr);
+    CHECK_EQ(upx::ptr_std_atomic_cast((upx_int32_t *) nullptr), nullptr);
+#endif
+}
+#endif
+
+TEST_CASE("upx::atomic_exchange") {
+    {
+        upx_uintptr_t x = (upx_uintptr_t) 0 - 1;
+        upx_uintptr_t y = upx::atomic_exchange(&x, (upx_uintptr_t) 2);
+        CHECK_EQ(x, 2);
+        CHECK_EQ(y, (upx_uintptr_t) 0 - 1);
+        UNUSED(y);
+    }
+    {
+        const int buf[2] = {101, 202};
+        const int *ptr_array[2] = {&buf[0], &buf[1]};
+        assert_noexcept(*ptr_array[0] == 101 && *ptr_array[1] == 202);
+        const int *p = upx::atomic_exchange(&ptr_array[0], ptr_array[1]);
+        CHECK_EQ(p, buf + 0);
+        assert_noexcept(*ptr_array[0] == 202 && *ptr_array[1] == 202);
+        p = upx::atomic_exchange(&ptr_array[1], p);
+        CHECK_EQ(p, buf + 1);
+        assert_noexcept(*ptr_array[0] == 202 && *ptr_array[1] == 101);
+        UNUSED(p);
+    }
+}
+
+TEST_CASE("upx::ObjectDeleter 1") {
+    LE16 *o = nullptr; // object
+    LE32 *a = nullptr; // array
+    LE64 *m = nullptr; // malloc
+    {
+        auto o_deleter = upx::ObjectDeleter(&o, 1);
+        o = new LE16;
+        assert(o != nullptr);
+        auto a_deleter = upx::ArrayDeleter(&a, 1);
+        a = New(LE32, 1);
+        assert(a != nullptr);
+        auto m_deleter = upx::MallocDeleter(&m, 1);
+        m = (LE64 *) ::malloc(sizeof(LE64));
+        assert(m != nullptr);
+    }
+    assert(o == nullptr);
+    assert(a == nullptr);
+    assert(m == nullptr);
+    // test "const" versions
+    {
+        const auto o_deleter = upx::ObjectDeleter(&o, 1);
+        o = new LE16;
+        assert(o != nullptr);
+        const auto a_deleter = upx::ArrayDeleter(&a, 1);
+        a = New(LE32, 1);
+        assert(a != nullptr);
+        const auto m_deleter = upx::MallocDeleter(&m, 1);
+        m = (LE64 *) ::malloc(sizeof(LE64));
+        assert(m != nullptr);
+    }
+    assert(o == nullptr);
+    assert(a == nullptr);
+    assert(m == nullptr);
+}
+
+TEST_CASE("upx::ObjectDeleter 2") {
+    constexpr size_t N = 2;
+    BE16 *o[N]; // multiple objects
+    BE32 *a[N]; // multiple arrays
+    BE64 *m[N]; // multiple mallocs
+    {
+        auto o_deleter = upx::ObjectDeleter(o, 0);
+        auto a_deleter = upx::ArrayDeleter(a, 0);
+        auto m_deleter = upx::MallocDeleter(m, 0);
+        for (size_t i = 0; i < N; i++) {
+            o[i] = new BE16;
+            assert(o[i] != nullptr);
+            o_deleter.count += 1;
+            a[i] = New(BE32, 1 + i);
+            assert(a[i] != nullptr);
+            a_deleter.count += 1;
+            m[i] = (BE64 *) ::malloc(sizeof(BE64));
+            assert(m[i] != nullptr);
+            m_deleter.count += 1;
+        }
+    }
+    for (size_t i = 0; i < N; i++) {
+        assert(o[i] == nullptr);
+        assert(a[i] == nullptr);
+        assert(m[i] == nullptr);
+    }
+}
+
+TEST_CASE("upx::ptr_static_cast") {
+    // check that we do not trigger any -Wcast-align warnings
+    using upx::ptr_static_cast;
+    void *vp = nullptr;
+    byte *bp = nullptr;
+    int *ip = nullptr;
+    double *dp = nullptr;
+
+    assert((vp == ptr_static_cast<void *>(vp)));
+    assert((vp == ptr_static_cast<void *>(bp)));
+    assert((vp == ptr_static_cast<void *>(ip)));
+    assert((vp == ptr_static_cast<void *>(dp)));
+
+    assert((bp == ptr_static_cast<byte *>(vp)));
+    assert((bp == ptr_static_cast<byte *>(bp)));
+    assert((bp == ptr_static_cast<byte *>(ip)));
+    assert((bp == ptr_static_cast<byte *>(dp)));
+
+    assert((ip == ptr_static_cast<int *>(vp)));
+    assert((ip == ptr_static_cast<int *>(bp)));
+    assert((ip == ptr_static_cast<int *>(ip)));
+    assert((ip == ptr_static_cast<int *>(dp)));
+
+    assert((dp == ptr_static_cast<double *>(vp)));
+    assert((dp == ptr_static_cast<double *>(bp)));
+    assert((dp == ptr_static_cast<double *>(ip)));
+    assert((dp == ptr_static_cast<double *>(dp)));
+
+    const byte *bc = nullptr;
+    const int *ic = nullptr;
+    assert((bc == ptr_static_cast<byte *>(bp)));
+    assert((bc == ptr_static_cast<const byte *>(bc)));
+    assert((bc == ptr_static_cast<byte *>(ip)));
+    assert((bc == ptr_static_cast<const byte *>(ic)));
+    assert((ic == ptr_static_cast<int *>(bp)));
+    assert((ic == ptr_static_cast<const int *>(bc)));
+    assert((ic == ptr_static_cast<int *>(ip)));
+    assert((ic == ptr_static_cast<const int *>(ic)));
+}
+
+TEST_CASE("upx::noncopyable") {
     struct Test : private upx::noncopyable {
         int v = 1;
     };
@@ -106,13 +414,13 @@ TEST_CASE("noncopyable") {
 }
 
 /*************************************************************************
-// TriBool
+// TriBool checks
 **************************************************************************/
 
 namespace {
 template <class T>
 struct TestTriBool {
-    static void test(bool expect_true, int x) noexcept {
+    static noinline void test(bool expect_true) {
         static_assert(std::is_class<T>::value);
         static_assert(std::is_nothrow_default_constructible<T>::value);
         static_assert(std::is_nothrow_destructible<T>::value);
@@ -120,12 +428,19 @@ struct TestTriBool {
         static_assert(std::is_trivially_copyable<T>::value);
         static_assert(sizeof(typename T::value_type) == sizeof(typename T::underlying_type));
         static_assert(alignof(typename T::value_type) == alignof(typename T::underlying_type));
-#if (ACC_ARCH_M68K && ACC_OS_TOS && ACC_CC_GNUC) && defined(__MINT__)
+#if defined(__m68k__) && defined(__atarist__) && defined(__GNUC__)
         // broken compiler or broken ABI
+#elif defined(__i386__) && defined(__GNUC__) && (__GNUC__ == 7) && !defined(__clang__)
+        static_assert(sizeof(T) == sizeof(typename T::underlying_type));
+        // i386: "long long" enum align bug/ABI problem on older compilers
+        static_assert(alignof(T) <= alignof(typename T::underlying_type));
 #else
         static_assert(sizeof(T) == sizeof(typename T::underlying_type));
         static_assert(alignof(T) == alignof(typename T::underlying_type));
 #endif
+        static_assert(!bool(T(false)));
+        static_assert(bool(T(true)));
+        static_assert(bool(T(T::Third)) == T::is_third_true);
         static_assert(T(false) == T::False);
         static_assert(T(true) == T::True);
         static_assert(T(T::False) == T::False);
@@ -145,63 +460,95 @@ struct TestTriBool {
         static_assert(array[2].isThird());
         static_assert(sizeof(array) == 3 * sizeof(T));
         T a;
-        CHECK(!a);
+        assert(a.getValue() == T::False);
-        CHECK(a.isStrictFalse());
+        assert(!a);
-        CHECK(!a.isStrictTrue());
+        assert(!bool(a));
-        CHECK(a.isStrictBool());
+        assert((!a ? true : false));
-        CHECK(!a.isThird());
+        assert(a.isStrictFalse());
+        assert(!a.isStrictTrue());
+        assert(a.isStrictBool());
+        assert(!a.isThird());
         a = false;
-        CHECK(!a);
+        assert(a.getValue() == T::False);
-        CHECK(a.isStrictFalse());
+        assert(!a);
-        CHECK(!a.isStrictTrue());
+        assert(!bool(a));
-        CHECK(a.isStrictBool());
+        assert((!a ? true : false));
-        CHECK(!a.isThird());
+        assert(a.isStrictFalse());
+        assert(!a.isStrictTrue());
+        assert(a.isStrictBool());
+        assert(!a.isThird());
         a = true;
-        CHECK(a);
+        assert(a.getValue() == T::True);
-        CHECK(!a.isStrictFalse());
+        assert(a);
-        CHECK(a.isStrictTrue());
+        assert(bool(a));
-        CHECK(a.isStrictBool());
+        assert((a ? true : false));
-        CHECK(!a.isThird());
+        assert(!a.isStrictFalse());
+        assert(a.isStrictTrue());
+        assert(a.isStrictBool());
+        assert(!a.isThird());
         a = T::Third;
-        if (expect_true)
+        assert(a.getValue() == T::Third);
-            CHECK(a);
+        assert(T::is_third_true == expect_true);
-        else
+        if (expect_true) {
-            CHECK(!a);
+            assert(a);
-        CHECK(!a.isStrictFalse());
+            assert(bool(a));
-        CHECK(!a.isStrictTrue());
+            assert((a ? true : false));
-        CHECK(!a.isStrictBool());
+        } else {
-        CHECK(a.isThird());
+            assert(!a);
-        a = x;
+            assert(!bool(a));
-        if (expect_true)
+            assert((!a ? true : false));
-            CHECK(a);
+        }
-        else
+        assert(!a.isStrictFalse());
-            CHECK(!a);
+        assert(!a.isStrictTrue());
-        CHECK(!a.isStrictFalse());
+        assert(!a.isStrictBool());
-        CHECK(!a.isStrictTrue());
+        assert(a.isThird());
-        CHECK(!a.isStrictBool());
+        a = 99;
-        CHECK(a.isThird());
+        assert(a.getValue() == T::Third);
+        if (expect_true) {
+            assert(a);
+            assert(bool(a));
+            assert((a ? true : false));
+            assert((!a ? false : true));
+        } else {
+            assert(!a);
+            assert(!bool(a));
+            assert((a ? false : true));
+            assert((!a ? true : false));
+        }
+        assert(!a.isStrictFalse());
+        assert(!a.isStrictTrue());
+        assert(!a.isStrictBool());
+        assert(a.isThird());
         mem_clear(&a);
-        CHECK(a.isStrictFalse());
+        assert(a.isStrictFalse());
     }
 };
 } // namespace
 
-TEST_CASE("TriBool") {
+TEST_CASE("upx::TriBool") {
     using upx::TriBool, upx::tribool;
-    //
     static_assert(!tribool(false));
     static_assert(tribool(true));
     static_assert(!tribool(tribool::Third));
-    TestTriBool<tribool>::test(false, -1);
+    TestTriBool<tribool>::test(false);
-    //
+#if DEBUG || 1
-    TestTriBool<TriBool<upx_int8_t> >::test(false, -1);
+    TestTriBool<TriBool<upx_int8_t> >::test(false);
-    TestTriBool<TriBool<upx_int64_t> >::test(false, -1);
+    TestTriBool<TriBool<upx_uint8_t> >::test(false);
-    //
+    TestTriBool<TriBool<upx_int16_t> >::test(false);
-    TestTriBool<TriBool<unsigned, 2> >::test(true, 2);
+    TestTriBool<TriBool<upx_uint16_t> >::test(false);
-    TestTriBool<TriBool<upx_int8_t, 2> >::test(true, 2);
+    TestTriBool<TriBool<upx_int32_t> >::test(false);
-    TestTriBool<TriBool<upx_uint8_t, 2> >::test(true, 2);
+    TestTriBool<TriBool<upx_uint32_t> >::test(false);
-    TestTriBool<TriBool<upx_int64_t, 2> >::test(true, 2);
+    TestTriBool<TriBool<upx_int64_t> >::test(false);
-    TestTriBool<TriBool<upx_uint64_t, 2> >::test(true, 2);
+    TestTriBool<TriBool<upx_uint64_t> >::test(false);
+    TestTriBool<TriBool<upx_int8_t, true> >::test(true);
+    TestTriBool<TriBool<upx_uint8_t, true> >::test(true);
+    TestTriBool<TriBool<upx_int16_t, true> >::test(true);
+    TestTriBool<TriBool<upx_uint16_t, true> >::test(true);
+    TestTriBool<TriBool<upx_int32_t, true> >::test(true);
+    TestTriBool<TriBool<upx_uint32_t, true> >::test(true);
+    TestTriBool<TriBool<upx_int64_t, true> >::test(true);
+    TestTriBool<TriBool<upx_uint64_t, true> >::test(true);
+#endif
 }
 
 /* vim:set ts=4 sw=4 et: */

src/check/dt_impl.cpp

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -24,6 +24,9 @@
    <markus@oberhumer.com>
  */
 
+#include "../util/system_defs.h"
+#include "../util/system_features.h"
+
 /*************************************************************************
 // doctest support code implementation
 **************************************************************************/
@@ -33,7 +36,10 @@
 
 #if !defined(DOCTEST_CONFIG_DISABLE)
 
-#if defined(__i386__) && defined(__MSDOS__) && defined(__DJGPP__) && defined(__GNUC__)
+#if defined(__wasi__)
+#define DOCTEST_CONFIG_NO_MULTITHREADING
+#define DOCTEST_CONFIG_NO_POSIX_SIGNALS
+#elif defined(__i386__) && defined(__MSDOS__) && defined(__DJGPP__) && defined(__GNUC__)
 #define DOCTEST_CONFIG_NO_MULTITHREADING
 #define DOCTEST_CONFIG_NO_POSIX_SIGNALS
 #elif defined(__m68k__) && defined(__atarist__) && defined(__GNUC__)
@@ -43,11 +49,13 @@
 #pragma GCC diagnostic ignored "-Wshadow"
 #endif
 
-#if !defined(UPX_DOCTEST_CONFIG_MULTITHREADING)
+#if !(WITH_THREADS) && !defined(UPX_DOCTEST_CONFIG_MULTITHREADING)
+#ifndef DOCTEST_CONFIG_NO_MULTITHREADING
 #define DOCTEST_CONFIG_NO_MULTITHREADING
 #endif
+#endif
 
-#if defined(__clang__) && defined(__FAST_MATH__) && defined(__INTEL_LLVM_COMPILER)
+#if defined(__FAST_MATH__) && defined(__clang__) && (__clang_major__ + 0 >= 6)
 // warning: comparison with NaN always evaluates to false in fast floating point modes
 #pragma clang diagnostic ignored "-Wtautological-constant-compare"
 #endif

src/check/dt_xspan.cpp

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -241,6 +241,35 @@ TEST_CASE("basic xspan usage") {
     }
 }
 
+TEST_CASE("xspan array access") {
+    const size_t N = 16;
+    char buf[N];
+    memset(buf, 0, sizeof(buf));
+    XSPAN_0_VAR(char, c0, buf, sizeof(buf));
+    XSPAN_P_VAR(char, cp, buf, sizeof(buf));
+    XSPAN_S_VAR(char, cs, buf, sizeof(buf));
+    for (size_t i = 0; i != N; ++i)
+        c0[i] += 1;
+    for (size_t i = 0; i != N; ++i)
+        cp[i] += 1;
+    for (size_t i = 0; i != N; ++i)
+        cs[i] += 1;
+#if __cplusplus >= 201103L
+    for (auto ptr = c0; ptr != c0 + N; ++ptr)
+        *ptr += 1;
+    for (auto ptr = c0 + 0; ptr < c0 + N; ++ptr)
+        *ptr += 1;
+    for (auto ptr = cp; ptr != cp + N; ++ptr)
+        *ptr += 1;
+    for (auto ptr = cp + 0; ptr < cp + N; ++ptr)
+        *ptr += 1;
+    for (auto ptr = cs; ptr != cs + N; ++ptr)
+        *ptr += 1;
+    for (auto ptr = cs + 0; ptr < cs + N; ++ptr)
+        *ptr += 1;
+#endif
+}
+
 /*************************************************************************
 //
 **************************************************************************/
@@ -658,6 +687,9 @@ TEST_CASE("Span subspan") {
     CHECK((as + 2).subspan(0, -2)[0] == 0);
     CHECK_THROWS(as.subspan(1, 0)[0]);
     CHECK_THROWS(as.subspan(1, 1)[-1]);
+    CHECK(as.subspan(1)[0] == 1);
+    CHECK(as.subspan(2)[0] == 2);
+    CHECK(as.subspan(3)[0] == 3);
 }
 
 TEST_CASE("Span constness") {

src/compress/compress.cpp

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -62,7 +62,7 @@ unsigned upx_crc32(const void *buf, unsigned len, unsigned crc)
 **************************************************************************/
 
 int upx_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned *dst_len,
-                 upx_callback_p cb, int method, int level, const upx_compress_config_t *cconf,
+                 upx_callback_t *cb, int method, int level, const upx_compress_config_t *cconf,
                  upx_compress_result_t *cresult) {
     int r = UPX_E_ERROR;
     upx_compress_result_t cresult_buffer;
@@ -95,6 +95,10 @@ int upx_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned
     const unsigned orig_dst_len = *dst_len;
     if (__acc_cte(false)) {
     }
+#if (WITH_BZIP2)
+    else if (M_IS_BZIP2(method))
+        r = upx_bzip2_compress(src, src_len, dst, dst_len, cb, method, level, cconf, cresult);
+#endif
 #if (WITH_LZMA)
     else if (M_IS_LZMA(method))
         r = upx_lzma_compress(src, src_len, dst, dst_len, cb, method, level, cconf, cresult);
@@ -112,7 +116,7 @@ int upx_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned
         r = upx_zstd_compress(src, src_len, dst, dst_len, cb, method, level, cconf, cresult);
 #endif
     else {
-        throwInternalError("unknown compression method");
+        throwInternalError("unknown compression method %d", method);
     }
 
 #if 1
@@ -140,6 +144,10 @@ int upx_decompress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigne
     const unsigned orig_dst_len = *dst_len;
     if (__acc_cte(false)) {
     }
+#if (WITH_BZIP2)
+    else if (M_IS_BZIP2(method))
+        r = upx_bzip2_decompress(src, src_len, dst, dst_len, method, cresult);
+#endif
 #if (WITH_LZMA)
     else if (M_IS_LZMA(method))
         r = upx_lzma_decompress(src, src_len, dst, dst_len, method, cresult);
@@ -161,7 +169,7 @@ int upx_decompress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigne
         r = upx_zstd_decompress(src, src_len, dst, dst_len, method, cresult);
 #endif
     else {
-        throwInternalError("unknown decompression method");
+        throwInternalError("unknown compression method %d", method);
     }
 
     assert_noexcept(*dst_len <= orig_dst_len);
@@ -187,6 +195,10 @@ int upx_test_overlap(const upx_bytep buf, const upx_bytep tbuf, unsigned src_off
     const unsigned orig_dst_len = *dst_len;
     if (__acc_cte(false)) {
     }
+#if (WITH_BZIP2)
+    else if (M_IS_BZIP2(method))
+        r = upx_bzip2_test_overlap(buf, tbuf, src_off, src_len, dst_len, method, cresult);
+#endif
 #if (WITH_LZMA)
     else if (M_IS_LZMA(method))
         r = upx_lzma_test_overlap(buf, tbuf, src_off, src_len, dst_len, method, cresult);
@@ -204,7 +216,7 @@ int upx_test_overlap(const upx_bytep buf, const upx_bytep tbuf, unsigned src_off
         r = upx_zstd_test_overlap(buf, tbuf, src_off, src_len, dst_len, method, cresult);
 #endif
     else {
-        throwInternalError("unknown decompression method");
+        throwInternalError("unknown compression method %d", method);
     }
 
     assert_noexcept(*dst_len <= orig_dst_len);

src/compress/compress.h

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -36,19 +36,19 @@
 int upx_bzip2_init(void);
 const char *upx_bzip2_version_string(void);
 int upx_bzip2_compress     ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
-                                   upx_callback_p cb,
+                                   upx_callback_t *cb,
                                    int method, int level,
                              const upx_compress_config_t *cconf,
                                    upx_compress_result_t *cresult );
 int upx_bzip2_decompress   ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 int upx_bzip2_test_overlap ( const upx_bytep buf,
                              const upx_bytep tbuf,
                                    unsigned  src_off, unsigned src_len,
-                                   unsigned* dst_len,
+                                   unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 #endif
@@ -57,19 +57,19 @@ int upx_bzip2_test_overlap ( const upx_bytep buf,
 int upx_lzma_init(void);
 const char *upx_lzma_version_string(void);
 int upx_lzma_compress      ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
-                                   upx_callback_p cb,
+                                   upx_callback_t *cb,
                                    int method, int level,
                              const upx_compress_config_t *cconf,
                                    upx_compress_result_t *cresult );
 int upx_lzma_decompress    ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 int upx_lzma_test_overlap  ( const upx_bytep buf,
                              const upx_bytep tbuf,
                                    unsigned  src_off, unsigned src_len,
-                                   unsigned* dst_len,
+                                   unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 #endif
@@ -78,19 +78,19 @@ int upx_lzma_test_overlap  ( const upx_bytep buf,
 int upx_nrv_init(void);
 const char *upx_nrv_version_string(void);
 int upx_nrv_compress       ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
-                                   upx_callback_p cb,
+                                   upx_callback_t *cb,
                                    int method, int level,
                              const upx_compress_config_t *cconf,
                                    upx_compress_result_t *cresult );
 int upx_nrv_decompress     ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 int upx_nrv_test_overlap   ( const upx_bytep buf,
                              const upx_bytep tbuf,
                                    unsigned  src_off, unsigned src_len,
-                                   unsigned* dst_len,
+                                   unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 #endif
@@ -99,19 +99,19 @@ int upx_nrv_test_overlap   ( const upx_bytep buf,
 int upx_ucl_init(void);
 const char *upx_ucl_version_string(void);
 int upx_ucl_compress       ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
-                                   upx_callback_p cb,
+                                   upx_callback_t *cb,
                                    int method, int level,
                              const upx_compress_config_t *cconf,
                                    upx_compress_result_t *cresult );
 int upx_ucl_decompress     ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 int upx_ucl_test_overlap   ( const upx_bytep buf,
                              const upx_bytep tbuf,
                                    unsigned  src_off, unsigned src_len,
-                                   unsigned* dst_len,
+                                   unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 unsigned upx_ucl_adler32(const void *buf, unsigned len, unsigned adler);
@@ -122,19 +122,19 @@ unsigned upx_ucl_crc32  (const void *buf, unsigned len, unsigned crc);
 int upx_zlib_init(void);
 const char *upx_zlib_version_string(void);
 int upx_zlib_compress      ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
-                                   upx_callback_p cb,
+                                   upx_callback_t *cb,
                                    int method, int level,
                              const upx_compress_config_t *cconf,
                                    upx_compress_result_t *cresult );
 int upx_zlib_decompress    ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 int upx_zlib_test_overlap  ( const upx_bytep buf,
                              const upx_bytep tbuf,
                                    unsigned  src_off, unsigned src_len,
-                                   unsigned* dst_len,
+                                   unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 unsigned upx_zlib_adler32(const void *buf, unsigned len, unsigned adler);
@@ -145,19 +145,19 @@ unsigned upx_zlib_crc32  (const void *buf, unsigned len, unsigned crc);
 int upx_zstd_init(void);
 const char *upx_zstd_version_string(void);
 int upx_zstd_compress      ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
-                                   upx_callback_p cb,
+                                   upx_callback_t *cb,
                                    int method, int level,
                              const upx_compress_config_t *cconf,
                                    upx_compress_result_t *cresult );
 int upx_zstd_decompress    ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 int upx_zstd_test_overlap  ( const upx_bytep buf,
                              const upx_bytep tbuf,
                                    unsigned  src_off, unsigned src_len,
-                                   unsigned* dst_len,
+                                   unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 #endif

src/compress/compress_bzip2.cpp

@@ -0,0 +1,211 @@
+/* compress_bzip2.cpp --
+
+   This file is part of the UPX executable compressor.
+
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
+   All Rights Reserved.
+
+   UPX and the UCL library are free software; you can redistribute them
+   and/or modify them under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   Markus F.X.J. Oberhumer
+   <markus@oberhumer.com>
+ */
+
+#include "../util/system_headers.h"
+#if WITH_BZIP2
+#include <bzip2/bzlib.h>
+#endif
+#include "../conf.h"
+
+void bzip2_compress_config_t::reset() noexcept { mem_clear(this); }
+
+#if WITH_BZIP2
+#include "compress.h"
+#include "../util/membuffer.h"
+
+#if defined(BZ_NO_STDIO) || 1
+// we need to supply bz_internal_error() when building with BZ_NO_STDIO
+extern "C" {
+extern void bz_internal_error(int);
+void bz_internal_error(int errcode) { throwInternalError("bz_internal_error %d", errcode); }
+}
+#endif // BZ_NO_STDIO
+
+static int convert_errno_from_bzip2(int r) {
+    switch (r) {
+    case BZ_OK:
+        return UPX_E_OK;
+    case BZ_MEM_ERROR:
+        return UPX_E_OUT_OF_MEMORY;
+    // TODO later: convert to UPX_E_INPUT_OVERRUN, UPX_E_OUTPUT_OVERRUN
+    default:
+        break;
+    }
+    return UPX_E_ERROR;
+}
+
+/*************************************************************************
+//
+**************************************************************************/
+
+int upx_bzip2_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned *dst_len,
+                       upx_callback_t *cb_parm, int method, int level,
+                       const upx_compress_config_t *cconf_parm, upx_compress_result_t *cresult) {
+    assert(method == M_BZIP2);
+    assert(level > 0);
+    assert(cresult != nullptr);
+    UNUSED(cb_parm);
+    int r = UPX_E_ERROR;
+    const bzip2_compress_config_t *const lcconf = cconf_parm ? &cconf_parm->conf_bzip2 : nullptr;
+    bzip2_compress_result_t *const res = &cresult->result_bzip2;
+    res->reset();
+
+    int blockSize100k = (src_len + 100000 - 1) / 100000;
+    if (blockSize100k < 1)
+        blockSize100k = 1;
+    if (blockSize100k > 9)
+        blockSize100k = 9;
+    // idea for later: could enhance lcconf to allow setting blockSize100k
+    UNUSED(lcconf);
+    if (level <= 3 && blockSize100k > level)
+        blockSize100k = level;
+
+    char *dest = (char *) dst;
+    char *source = (char *) const_cast<byte *>(src);
+    r = BZ2_bzBuffToBuffCompress(dest, dst_len, source, src_len, blockSize100k, 0, 0);
+    return convert_errno_from_bzip2(r);
+}
+
+/*************************************************************************
+//
+**************************************************************************/
+
+int upx_bzip2_decompress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned *dst_len,
+                         int method, const upx_compress_result_t *cresult) {
+    assert(method == M_BZIP2);
+    UNUSED(method);
+    UNUSED(cresult);
+    char *dest = (char *) dst;
+    char *source = (char *) const_cast<byte *>(src);
+    int small = 0;
+    int r = BZ2_bzBuffToBuffDecompress(dest, dst_len, source, src_len, small, 0);
+    return convert_errno_from_bzip2(r);
+}
+
+/*************************************************************************
+// test_overlap - see <ucl/ucl.h> for semantics
+**************************************************************************/
+
+int upx_bzip2_test_overlap(const upx_bytep buf, const upx_bytep tbuf, unsigned src_off,
+                           unsigned src_len, unsigned *dst_len, int method,
+                           const upx_compress_result_t *cresult) {
+    assert(method == M_BZIP2);
+
+    MemBuffer b(src_off + src_len);
+    memcpy(b + src_off, buf + src_off, src_len);
+    unsigned saved_dst_len = *dst_len;
+    int r = upx_bzip2_decompress(raw_index_bytes(b, src_off, src_len), src_len,
+                                 raw_bytes(b, *dst_len), dst_len, method, cresult);
+    if (r != UPX_E_OK)
+        return r;
+    if (*dst_len != saved_dst_len)
+        return UPX_E_ERROR;
+    // NOTE: there is a very tiny possibility that decompression has
+    //   succeeded but the data is not restored correctly because of
+    //   in-place buffer overlapping, so we use an extra memcmp().
+    if (tbuf != nullptr && memcmp(tbuf, b, *dst_len) != 0)
+        return UPX_E_ERROR;
+    return UPX_E_OK;
+}
+
+/*************************************************************************
+// misc
+**************************************************************************/
+
+int upx_bzip2_init(void) { return 0; }
+
+const char *upx_bzip2_version_string(void) { return BZ2_bzlibVersion(); }
+
+/*************************************************************************
+// doctest checks
+**************************************************************************/
+
+#if DEBUG && !defined(DOCTEST_CONFIG_DISABLE) && 1
+
+static bool check_bzip2(const int method, const int level, const unsigned expected_c_len) {
+    const unsigned u_len = 16384;
+    const unsigned c_extra = 4096;
+    MemBuffer u_buf, c_buf, d_buf;
+    unsigned c_len, d_len;
+    upx_compress_result_t cresult;
+    int r;
+
+    u_buf.alloc(u_len);
+    memset(u_buf, 0, u_len);
+    c_buf.allocForCompression(u_len, c_extra);
+    d_buf.allocForDecompression(u_len);
+
+    c_len = c_buf.getSize() - c_extra;
+    r = upx_bzip2_compress(raw_bytes(u_buf, u_len), u_len, raw_index_bytes(c_buf, c_extra, c_len),
+                           &c_len, nullptr, method, level, NULL_cconf, &cresult);
+    if (r != 0 || c_len != expected_c_len)
+        return false;
+
+    d_len = d_buf.getSize();
+    r = upx_bzip2_decompress(raw_index_bytes(c_buf, c_extra, c_len), c_len, raw_bytes(d_buf, d_len),
+                             &d_len, method, nullptr);
+    if (r != 0 || d_len != u_len || memcmp(u_buf, d_buf, u_len) != 0)
+        return false;
+
+    d_len = u_len - 1;
+    r = upx_bzip2_decompress(raw_index_bytes(c_buf, c_extra, c_len), c_len, raw_bytes(d_buf, d_len),
+                             &d_len, method, nullptr);
+    if (r == 0)
+        return false;
+
+    // TODO: rewrite Packer::findOverlapOverhead() so that we can test it here
+    // unsigned x_len = d_len;
+    // r = upx_bzip2_test_overlap(c_buf, u_buf, c_extra, c_len, &x_len, method, nullptr);
+    return true;
+}
+
+TEST_CASE("compress_bzip2") { CHECK(check_bzip2(M_BZIP2, 9, 46)); }
+
+#endif // DEBUG
+
+TEST_CASE("upx_bzip2_decompress") {
+#if 0  // TODO later, see above
+    const byte *c_data;
+    byte d_buf[32];
+    unsigned d_len;
+    int r;
+
+    c_data = (const byte *) "\x28\xb5\x2f\xfd\x20\x20\x3d\x00\x00\x08\xff\x01\x00\x34\x4e\x08";
+    d_len = 32;
+    r = upx_bzip2_decompress(c_data, 16, d_buf, &d_len, M_BZIP2, nullptr);
+    CHECK((r == 0 && d_len == 32));
+    r = upx_bzip2_decompress(c_data, 15, d_buf, &d_len, M_BZIP2, nullptr);
+    CHECK(r == UPX_E_INPUT_OVERRUN);
+    d_len = 31;
+    r = upx_bzip2_decompress(c_data, 16, d_buf, &d_len, M_BZIP2, nullptr);
+    CHECK(r == UPX_E_OUTPUT_OVERRUN);
+    UNUSED(r);
+#endif // TODO
+}
+
+#endif // WITH_BZIP2
+
+/* vim:set ts=4 sw=4 et: */

src/compress/compress_lzma.cpp

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -37,9 +37,6 @@
 #if (ACC_CC_MSC)
 #pragma warning(disable : 4456) // -Wno-shadow
 #endif
-#if (ACC_CC_MSC && (_MSC_VER < 1900))
-#pragma warning(disable : 4127) // warning C4127: conditional expression is constant
-#endif
 
 void lzma_compress_config_t::reset() noexcept {
     pos_bits.reset();
@@ -206,15 +203,12 @@ error:
 // compress - cruft because of pseudo-COM layer
 **************************************************************************/
 
-// ensure proper nullptr usage
+#if (ACC_CC_CLANG >= 0x080000)
-// TODO later: examine why we need this in the first place
+#pragma clang diagnostic push
-#undef NULL
+#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
-// NOLINTBEGIN(clang-analyzer-optin.cplusplus.*)
+#elif (ACC_CC_GNUC >= 0x040700)
-#define NULL nullptr
+#pragma GCC diagnostic push
-// NOLINTEND(clang-analyzer-optin.cplusplus.*)
+#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
-#if defined(__GNUC__)
-#undef __null
-#define __null nullptr
 #endif
 
 #undef MSDOS
@@ -293,7 +287,7 @@ struct ProgressInfo final : public ICompressProgressInfo, public CMyUnknownImp {
     virtual ~ProgressInfo() {}
     MY_UNKNOWN_IMP
     STDMETHOD(SetRatioInfo)(const UInt64 *inSize, const UInt64 *outSize) override;
-    upx_callback_p cb = nullptr;
+    upx_callback_t *cb = nullptr;
 };
 
 STDMETHODIMP ProgressInfo::SetRatioInfo(const UInt64 *inSize, const UInt64 *outSize) {
@@ -316,8 +310,14 @@ STDMETHODIMP ProgressInfo::SetRatioInfo(const UInt64 *inSize, const UInt64 *outS
 #include <lzma-sdk/C/7zip/Compress/RangeCoder/RangeCoderBit.cpp>
 #undef RC_NORMALIZE
 
+#if (ACC_CC_CLANG >= 0x080000)
+#pragma clang diagnostic pop
+#elif (ACC_CC_GNUC >= 0x040700)
+#pragma GCC diagnostic pop
+#endif
+
 int upx_lzma_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned *dst_len,
-                      upx_callback_p cb, int method, int level,
+                      upx_callback_t *cb, int method, int level,
                       const upx_compress_config_t *cconf_parm, upx_compress_result_t *cresult) {
     assert(M_IS_LZMA(method));
     assert(level > 0);
@@ -327,6 +327,7 @@ int upx_lzma_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsi
     HRESULT rh;
     const lzma_compress_config_t *const lcconf = cconf_parm ? &cconf_parm->conf_lzma : nullptr;
     lzma_compress_result_t *const res = &cresult->result_lzma;
+    res->reset();
 
     MyLzma::InStream is;
     is.AddRef();
@@ -339,7 +340,8 @@ int upx_lzma_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsi
     progress.cb = cb; // progress.Init()
 
     NCompress::NLZMA::CEncoder enc;
-    const PROPID propIDs[8] = {
+    constexpr unsigned NPROPS = 8;
+    static const PROPID propIDs[NPROPS] = {
         NCoderPropID::kPosStateBits,      // 0  pb    _posStateBits(2)
         NCoderPropID::kLitPosBits,        // 1  lp    _numLiteralPosStateBits(0)
         NCoderPropID::kLitContextBits,    // 2  lc    _numLiteralContextBits(3)
@@ -349,8 +351,7 @@ int upx_lzma_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsi
         NCoderPropID::kMatchFinderCycles, // 6  mfc   _matchFinderCycles, _cutValue
         NCoderPropID::kMatchFinder        // 7  mf
     };
-    PROPVARIANT pr[8];
+    PROPVARIANT pr[NPROPS];
-    const unsigned nprops = 8;
     if (!prepare_result(res, src_len, method, level, lcconf))
         goto error;
     pr[0].vt = pr[1].vt = pr[2].vt = pr[3].vt = pr[4].vt = pr[5].vt = pr[6].vt = VT_UI4;
@@ -367,7 +368,7 @@ int upx_lzma_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsi
     pr[7].bstrVal = ACC_PCAST(BSTR, ACC_UNCONST_CAST(wchar_t *, matchfinder));
 
     try {
-        if (enc.SetCoderProperties(propIDs, pr, nprops) != S_OK)
+        if (enc.SetCoderProperties(propIDs, pr, NPROPS) != S_OK)
             goto error;
         // encode properties in LZMA-style (5 bytes)
         if (enc.WriteCoderProperties(&os) != S_OK)

src/compress/compress_ucl.cpp

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -66,7 +66,7 @@ extern "C" {
 static void __UCL_CDECL wrap_nprogress_ucl(ucl_uint a, ucl_uint b, int state, ucl_voidp user) {
     if (state != -1 && state != 3)
         return;
-    upx_callback_p cb = (upx_callback_p) user;
+    upx_callback_t *cb = (upx_callback_t *) user;
     if (cb && cb->nprogress)
         cb->nprogress(cb, a, b);
 }
@@ -77,7 +77,7 @@ static void __UCL_CDECL wrap_nprogress_ucl(ucl_uint a, ucl_uint b, int state, uc
 **************************************************************************/
 
 int upx_ucl_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned *dst_len,
-                     upx_callback_p cb_parm, int method, int level,
+                     upx_callback_t *cb_parm, int method, int level,
                      const upx_compress_config_t *cconf_parm, upx_compress_result_t *cresult) {
     int r;
     assert(level > 0);

src/compress/compress_zlib.cpp

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -75,7 +75,7 @@ static int convert_errno_from_zlib(int zr) {
 **************************************************************************/
 
 int upx_zlib_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned *dst_len,
-                      upx_callback_p cb_parm, int method, int level,
+                      upx_callback_t *cb_parm, int method, int level,
                       const upx_compress_config_t *cconf_parm, upx_compress_result_t *cresult) {
     assert(method == M_DEFLATE);
     assert(level > 0);
@@ -85,6 +85,7 @@ int upx_zlib_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsi
     int zr;
     const zlib_compress_config_t *const lcconf = cconf_parm ? &cconf_parm->conf_zlib : nullptr;
     zlib_compress_result_t *const res = &cresult->result_zlib;
+    res->reset();
 
     if (level == 10)
         level = 9;
@@ -99,8 +100,6 @@ int upx_zlib_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsi
         oassign(strategy, lcconf->strategy);
     }
 
-    res->dummy = 0;
-
     z_stream s;
     s.zalloc = (alloc_func) nullptr;
     s.zfree = (free_func) nullptr;

src/compress/compress_zstd.cpp

@@ -2,7 +2,7 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -24,6 +24,12 @@
    <markus@oberhumer.com>
  */
 
+#include "../util/system_headers.h"
+#if WITH_ZSTD
+#include <zstd/lib/zstd.h>
+#include <zstd/lib/zstd_errors.h>
+#include <zstd/lib/compress/hist.h>
+#endif
 #include "../conf.h"
 
 void zstd_compress_config_t::reset() noexcept { mem_clear(this); }
@@ -31,9 +37,6 @@ void zstd_compress_config_t::reset() noexcept { mem_clear(this); }
 #if WITH_ZSTD
 #include "compress.h"
 #include "../util/membuffer.h"
-#include <zstd/lib/zstd.h>
-#include <zstd/lib/zstd_errors.h>
-#include <zstd/lib/compress/hist.h>
 
 static int convert_errno_from_zstd(size_t zr) {
     const ZSTD_ErrorCode ze = ZSTD_getErrorCode(zr);
@@ -55,7 +58,7 @@ static int convert_errno_from_zstd(size_t zr) {
 **************************************************************************/
 
 int upx_zstd_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned *dst_len,
-                      upx_callback_p cb_parm, int method, int level,
+                      upx_callback_t *cb_parm, int method, int level,
                       const upx_compress_config_t *cconf_parm, upx_compress_result_t *cresult) {
     assert(method == M_ZSTD);
     assert(level > 0);
@@ -65,6 +68,7 @@ int upx_zstd_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsi
     size_t zr;
     const zstd_compress_config_t *const lcconf = cconf_parm ? &cconf_parm->conf_zstd : nullptr;
     zstd_compress_result_t *const res = &cresult->result_zstd;
+    res->reset();
 
     // TODO later: map level 1..10 to zstd-level 1..22
     if (level == 10)
@@ -75,8 +79,6 @@ int upx_zstd_compress(const upx_bytep src, unsigned src_len, upx_bytep dst, unsi
         UNUSED(lcconf);
     }
 
-    res->dummy = 0;
-
     zr = ZSTD_compress(dst, *dst_len, src, src_len, level);
     if (ZSTD_isError(zr)) {
         *dst_len = 0; // TODO ???
@@ -221,6 +223,7 @@ TEST_CASE("upx_zstd_decompress") {
     d_len = 31;
     r = upx_zstd_decompress(c_data, 16, d_buf, &d_len, M_ZSTD, nullptr);
     CHECK(r == UPX_E_OUTPUT_OVERRUN);
+    UNUSED(r);
 }
 
 #endif // WITH_ZSTD

src/conf.h

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -31,7 +31,7 @@
 // init
 **************************************************************************/
 
-#include "headers.h"
+#include "util/system_headers.h"
 #include "version.h"
 
 #if !defined(__has_attribute)
@@ -53,31 +53,31 @@ ACC_COMPILE_TIME_ASSERT_HEADER(sizeof(int) == 4)
 ACC_COMPILE_TIME_ASSERT_HEADER(sizeof(long long) == 8)
 // check sane compiler mandatory flags
 ACC_COMPILE_TIME_ASSERT_HEADER(-1 == ~0)      // two's complement - see http://wg21.link/P0907R4
-ACC_COMPILE_TIME_ASSERT_HEADER(0u-1 == ~0u) // two's complement - see http://wg21.link/P0907R4
+ACC_COMPILE_TIME_ASSERT_HEADER(0u - 1 == ~0u) // two's complement - see http://wg21.link/P0907R4
 ACC_COMPILE_TIME_ASSERT_HEADER((1u << 31) << 1 == 0)
-ACC_COMPILE_TIME_ASSERT_HEADER(((int)(1u << 31)) >> 31 == -1) // arithmetic right shift
+ACC_COMPILE_TIME_ASSERT_HEADER(((int) (1u << 31)) >> 31 == -1) // arithmetic right shift
 ACC_COMPILE_TIME_ASSERT_HEADER((-1) >> 31 == -1)               // arithmetic right shift
 ACC_COMPILE_TIME_ASSERT_HEADER(CHAR_MAX == 255)                // -funsigned-char
-ACC_COMPILE_TIME_ASSERT_HEADER((char)(-1) == 255) // -funsigned-char
+ACC_COMPILE_TIME_ASSERT_HEADER((char) (-1) == 255)
 
 // enable some more strict warnings for Git developer builds
 #if defined(UPX_CONFIG_DISABLE_WSTRICT) && (UPX_CONFIG_DISABLE_WSTRICT + 0 == 0)
 #if defined(UPX_CONFIG_DISABLE_WERROR) && (UPX_CONFIG_DISABLE_WERROR + 0 == 0)
 #if (ACC_CC_CLANG >= 0x0b0000)
-#  pragma clang diagnostic error "-Wsuggest-override"
+#pragma clang diagnostic error "-Wsuggest-override"
 #elif (ACC_CC_GNUC >= 0x0a0000)
-   // don't enable before gcc-10 because of gcc bug #78010
+// don't enable before gcc-10 because of gcc bug #78010
-#  pragma GCC diagnostic error "-Wsuggest-override"
+#pragma GCC diagnostic error "-Wsuggest-override"
 #endif
 #if (ACC_CC_CLANG >= 0x080000)
-   // don't enable before clang-8 because of stddef.h issues
+// don't enable before clang-8 because of <stddef.h> issues
-#  pragma clang diagnostic error "-Wzero-as-null-pointer-constant"
+#pragma clang diagnostic error "-Wzero-as-null-pointer-constant"
 #elif (ACC_CC_GNUC >= 0x040700) && defined(__GLIBC__)
-   // Some non-GLIBC toolchains do not use 'nullptr' everywhere when C++:
+// Some non-GLIBC toolchains do not use 'nullptr' everywhere when C++:
-   // openwrt-sdk-x86-64_gcc-11.2.0_musl.Linux-x86_64/staging_dir/
+// openwrt-sdk-x86-64_gcc-11.2.0_musl.Linux-x86_64/staging_dir/
-   //   toolchain-x86_64_gcc-11.2.0_musl/include/fortify/stdlib.h:
+//   toolchain-x86_64_gcc-11.2.0_musl/include/fortify/stdlib.h:
-   //   51:32: error: zero as null pointer constant
+//   51:32: error: zero as null pointer constant
-#  pragma GCC diagnostic error "-Wzero-as-null-pointer-constant"
+#pragma GCC diagnostic error "-Wzero-as-null-pointer-constant"
 #endif
 #endif // UPX_CONFIG_DISABLE_WERROR
 #endif // UPX_CONFIG_DISABLE_WSTRICT
@@ -94,7 +94,10 @@ ACC_COMPILE_TIME_ASSERT_HEADER((char)(-1) == 255) // -funsigned-char
 #define upx_std_once_flag    upx_std_atomic(size_t)
 template <class NoexceptCallable>
 inline void upx_std_call_once(upx_std_once_flag &flag, NoexceptCallable &&f) {
-    if (__acc_unlikely(!flag)) { flag = 1; f(); }
+    if (__acc_unlikely(!flag)) {
+        flag = 1;
+        f();
+    }
 }
 #endif // WITH_THREADS
 
@@ -106,11 +109,11 @@ inline constexpr bool upx_is_integral_v = upx_is_integral<T>::value;
 
 #if (ACC_ARCH_M68K && ACC_OS_TOS && ACC_CC_GNUC) && defined(__MINT__)
 // horrible hack for broken compiler / ABI
-#define upx_fake_alignas_1      __attribute__((__aligned__(1),__packed__))
+#define upx_fake_alignas_1    __attribute__((__aligned__(1), __packed__))
 #define upx_fake_alignas_2    __attribute__((__aligned__(2)))
 #define upx_fake_alignas_4    __attribute__((__aligned__(2))) // object file maximum 2 ???
 #define upx_fake_alignas_16   __attribute__((__aligned__(2))) // object file maximum 2 ???
-#define upx_fake_alignas__(x)   upx_fake_alignas_ ## x
+#define upx_fake_alignas__(x) upx_fake_alignas_##x
 #define alignas(x)            upx_fake_alignas__(x)
 #define upx_alignas_max       upx_fake_alignas_4
 #endif
@@ -118,7 +121,6 @@ inline constexpr bool upx_is_integral_v = upx_is_integral<T>::value;
 #define upx_alignas_max alignas(std::max_align_t)
 #endif
 
-
 /*************************************************************************
 // core
 **************************************************************************/
@@ -143,23 +145,24 @@ typedef acc_int64_t     upx_int64_t;
 typedef acc_uint64_t upx_uint64_t;
 typedef acc_uintptr_t upx_uintptr_t;
 
-// convention: use "byte" when dealing with data; use "char/uchar" when dealing
+// UPX convention: use "byte" when dealing with data; use "char/uchar" when dealing
 // with strings; use "upx_uint8_t" when dealing with small integers
 typedef unsigned char byte;
 #define upx_byte  byte
 #define upx_bytep byte *
 typedef unsigned char uchar;
-// convention: use "charptr" when dealing with abstract pointer arithmetics
+// UPX convention: use "charptr" when dealing with abstract pointer arithmetics
 #define charptr upx_charptr_unit_type *
 // upx_charptr_unit_type is some opaque type with sizeof(type) == 1
-struct alignas(1) upx_charptr_unit_type { char hidden__; };
+//// typedef char upx_charptr_unit_type; // also works
+struct alignas(1) upx_charptr_unit_type final { char hidden__; };
 ACC_COMPILE_TIME_ASSERT_HEADER(sizeof(upx_charptr_unit_type) == 1)
 
 // using the system off_t was a bad idea even back in 199x...
 typedef upx_int64_t upx_off_t;
 #undef off_t
 #if 0
-// TODO cleanup: at some future point we can do this:
+// TODO later cleanup: at some future point we can do this:
 #define off_t DO_NOT_USE_off_t
 #else
 #define off_t upx_off_t
@@ -167,108 +170,120 @@ typedef upx_int64_t upx_off_t;
 
 // shortcuts
 #define forceinline __acc_forceinline
-#if _MSC_VER
+#if (ACC_CC_MSC)
 #define noinline __declspec(noinline)
 #undef __acc_noinline
 #define __acc_noinline noinline
 #else
 #define noinline __acc_noinline
 #endif
+#if defined(__clang__) || defined(__GNUC__)
+#define noreturn noinline __attribute__((__noreturn__))
+#elif (ACC_CC_MSC)
+// do not use, triggers annoying "warning C4702: unreachable code"
+////#define noreturn noinline __declspec(noreturn)
+#define noreturn noinline
+#else
+#define noreturn noinline
+#endif
 #define forceinline_constexpr forceinline constexpr
 #define likely                __acc_likely
 #define unlikely              __acc_unlikely
 #define very_likely           __acc_very_likely
 #define very_unlikely         __acc_very_unlikely
+
+// cosmetic: explicitly annotate some functions which may throw exceptions
+//   note that noexcept(false) is the default for all C++ functions anyway
 #define may_throw noexcept(false)
 
 #define COMPILE_TIME_ASSERT(e) ACC_COMPILE_TIME_ASSERT(e)
 #define DELETED_FUNCTION       = delete
 #define UNUSED(var)            ACC_UNUSED(var)
 
-
 /*************************************************************************
 // portab
 **************************************************************************/
 
-// just in case
+// some platform system headers may pre-define these, so undef to avoid conflicts
 #undef _
 #undef __
 #undef ___
 #undef dos
+#undef large
 #undef linux
+#undef PAGE_MASK
+#undef PAGE_SIZE
 #undef small
+#undef SP
+#undef SS
 #undef tos
 #undef unix
 #if (ACC_OS_POSIX) && !defined(__unix__)
-#  define __unix__ 1
+#define __unix__ 1
 #endif
-#if (ACC_OS_CYGWIN || ACC_OS_DOS16 || ACC_OS_DOS32 || ACC_OS_EMX || ACC_OS_OS2 || ACC_OS_OS216 || ACC_OS_WIN16 || ACC_OS_WIN32 || ACC_OS_WIN64)
+#if (ACC_OS_CYGWIN || ACC_OS_DOS16 || ACC_OS_DOS32 || ACC_OS_EMX || ACC_OS_OS2 || ACC_OS_OS216 ||  \
-#  undef __unix
+     ACC_OS_WIN16 || ACC_OS_WIN32 || ACC_OS_WIN64)
-#  undef __unix__
+#undef __unix
+#undef __unix__
 #endif
 #if (ACC_OS_DOS32) && defined(__DJGPP__)
-#  undef sopen
+#undef sopen
-#endif
-
-#if defined(HAVE_DUP) && (HAVE_DUP + 0 == 0)
-#  undef dup
-#  define dup(x)            (-1)
 #endif
 
 #ifndef STDIN_FILENO
-#  define STDIN_FILENO      (fileno(stdin))
+#define STDIN_FILENO (fileno(stdin))
 #endif
 #ifndef STDOUT_FILENO
-#  define STDOUT_FILENO     (fileno(stdout))
+#define STDOUT_FILENO (fileno(stdout))
 #endif
 #ifndef STDERR_FILENO
-#  define STDERR_FILENO     (fileno(stderr))
+#define STDERR_FILENO (fileno(stderr))
 #endif
 
 #if !(HAVE_STRCASECMP) && (HAVE_STRICMP) && !defined(strcasecmp)
-#  define strcasecmp        stricmp
+#define strcasecmp stricmp
 #endif
 #if !(HAVE_STRNCASECMP) && (HAVE_STRNICMP) && !defined(strncasecmp)
-#  define strncasecmp       strnicmp
+#define strncasecmp strnicmp
 #endif
 
 #if !defined(S_IWUSR) && defined(_S_IWUSR)
-#  define S_IWUSR           _S_IWUSR
+#define S_IWUSR _S_IWUSR
 #elif !defined(S_IWUSR) && defined(_S_IWRITE)
-#  define S_IWUSR           _S_IWRITE
+#define S_IWUSR _S_IWRITE
 #endif
 
 #if !defined(S_IFMT) && defined(_S_IFMT)
-#  define S_IFMT            _S_IFMT
+#define S_IFMT _S_IFMT
 #endif
 #if !defined(S_IFREG) && defined(_S_IFREG)
-#  define S_IFREG           _S_IFREG
+#define S_IFREG _S_IFREG
 #endif
 #if !defined(S_IFDIR) && defined(_S_IFDIR)
-#  define S_IFDIR           _S_IFDIR
+#define S_IFDIR _S_IFDIR
 #endif
 #if !defined(S_IFCHR) && defined(_S_IFCHR)
-#  define S_IFCHR           _S_IFCHR
+#define S_IFCHR _S_IFCHR
 #endif
 
 #if !defined(S_ISREG)
-#  if defined(S_IFMT) && defined(S_IFREG)
+#if defined(S_IFMT) && defined(S_IFREG)
-#    define S_ISREG(m)      (((m) & S_IFMT) == S_IFREG)
+#define S_ISREG(m) (((m) &S_IFMT) == S_IFREG)
-#  else
+#else
-#    error "S_ISREG"
+#error "S_ISREG"
-#  endif
+#endif
 #endif
 #if !defined(S_ISDIR)
-#  if defined(S_IFMT) && defined(S_IFDIR)
+#if defined(S_IFMT) && defined(S_IFDIR)
-#    define S_ISDIR(m)      (((m) & S_IFMT) == S_IFDIR)
+#define S_ISDIR(m) (((m) &S_IFMT) == S_IFDIR)
-#  else
+#else
-#    error "S_ISDIR"
+#error "S_ISDIR"
-#  endif
+#endif
 #endif
 #if !defined(S_ISCHR)
-#  if defined(S_IFMT) && defined(S_IFCHR)
+#if defined(S_IFMT) && defined(S_IFCHR)
-#    define S_ISCHR(m)      (((m) & S_IFMT) == S_IFCHR)
+#define S_ISCHR(m) (((m) &S_IFMT) == S_IFCHR)
-#  endif
+#endif
 #endif
 
 // avoid warnings about shadowing global symbols
@@ -281,19 +296,16 @@ typedef upx_int64_t upx_off_t;
 #define index    upx_renamed_index
 #define outp     upx_renamed_outp
 
-#undef PAGE_MASK
+#if !defined(O_BINARY) || (O_BINARY + 0 == 0)
-#undef PAGE_SIZE
+#if (ACC_OS_CYGWIN || ACC_OS_DOS16 || ACC_OS_DOS32 || ACC_OS_EMX || ACC_OS_OS2 || ACC_OS_OS216 ||  \
-
+     ACC_OS_WIN16 || ACC_OS_WIN32 || ACC_OS_WIN64)
-#if !defined(O_BINARY) || (O_BINARY+0 == 0)
+#error "missing O_BINARY"
-#  if (ACC_OS_CYGWIN || ACC_OS_DOS16 || ACC_OS_DOS32 || ACC_OS_EMX || ACC_OS_OS2 || ACC_OS_OS216 || ACC_OS_WIN16 || ACC_OS_WIN32 || ACC_OS_WIN64)
+#endif
-#    error "missing O_BINARY"
-#  endif
 #endif
 #if !defined(O_BINARY)
-#  define O_BINARY  0
+#define O_BINARY 0
 #endif
 
-
 /*************************************************************************
 // util
 **************************************************************************/
@@ -302,27 +314,28 @@ typedef upx_int64_t upx_off_t;
 
 // malloc debuggers
 #if !defined(VALGRIND_CHECK_MEM_IS_ADDRESSABLE)
-#  define VALGRIND_CHECK_MEM_IS_ADDRESSABLE(addr,len)   0
+#define VALGRIND_CHECK_MEM_IS_ADDRESSABLE(addr, len) 0
 #endif
 #if !defined(VALGRIND_CHECK_MEM_IS_DEFINED)
-#  define VALGRIND_CHECK_MEM_IS_DEFINED(addr,len)   0
+#define VALGRIND_CHECK_MEM_IS_DEFINED(addr, len) 0
 #endif
 #if !defined(VALGRIND_MAKE_MEM_DEFINED)
-#  define VALGRIND_MAKE_MEM_DEFINED(addr,len)   0
+#define VALGRIND_MAKE_MEM_DEFINED(addr, len) 0
 #endif
 #if !defined(VALGRIND_MAKE_MEM_NOACCESS)
-#  define VALGRIND_MAKE_MEM_NOACCESS(addr,len)  0
+#define VALGRIND_MAKE_MEM_NOACCESS(addr, len) 0
 #endif
 #if !defined(VALGRIND_MAKE_MEM_UNDEFINED)
-#  define VALGRIND_MAKE_MEM_UNDEFINED(addr,len) 0
+#define VALGRIND_MAKE_MEM_UNDEFINED(addr, len) 0
 #endif
 
+// TODO later: check __MINGW_PRINTF_FORMAT
 #if defined(_WIN32) && defined(__MINGW32__) && defined(__GNUC__) && !defined(__clang__)
-#  define attribute_format(a,b) __attribute__((__format__(__gnu_printf__,a,b)))
+#define attribute_format(a, b) __attribute__((__format__(__gnu_printf__, a, b)))
-#elif (ACC_CC_CLANG || ACC_CC_GNUC)
+#elif defined(__clang__) || defined(__GNUC__)
-#  define attribute_format(a,b) __attribute__((__format__(__printf__,a,b)))
+#define attribute_format(a, b) __attribute__((__format__(__printf__, a, b)))
 #else
-#  define attribute_format(a,b) /*empty*/
+#define attribute_format(a, b) /*empty*/
 #endif
 
 // for no-op debug output
@@ -332,55 +345,87 @@ inline void NO_printf(const char *, ...) noexcept {}
 inline void NO_fprintf(FILE *, const char *, ...) noexcept {}
 
 #if __has_builtin(__builtin_memcpy_inline)
-#  define upx_memcpy_inline     __builtin_memcpy_inline
+#define upx_memcpy_inline __builtin_memcpy_inline
 #elif __has_builtin(__builtin_memcpy)
-#  define upx_memcpy_inline     __builtin_memcpy
+#define upx_memcpy_inline __builtin_memcpy
-#elif defined(__GNUC__)
+#elif defined(__clang__) || defined(__GNUC__)
-#  define upx_memcpy_inline     __builtin_memcpy
+#define upx_memcpy_inline __builtin_memcpy
 #else
-#  define upx_memcpy_inline     memcpy
+#define upx_memcpy_inline memcpy
 #endif
 
-#if __has_builtin(__builtin_return_address)
+#if defined(__wasi__)
-#  define upx_return_address()  __builtin_return_address(0)
+#define upx_return_address() nullptr
-#elif defined(__GNUC__)
+#elif __has_builtin(__builtin_return_address)
-#  define upx_return_address()  __builtin_return_address(0)
+#define upx_return_address() __builtin_return_address(0)
+#elif defined(__clang__) || defined(__GNUC__)
+#define upx_return_address() __builtin_return_address(0)
 #elif (ACC_CC_MSC)
-#  define upx_return_address()  _ReturnAddress()
+#define upx_return_address() _ReturnAddress()
 #else
-#  define upx_return_address()  nullptr
+#define upx_return_address() nullptr
 #endif
 
-// TODO cleanup: we now require C++17, so remove all __packed_struct usage
+// TODO later cleanup: we now require C++17, so remove all packed_struct usage
-#define __packed_struct(s)      struct alignas(1) s {
+#define packed_struct(s) struct alignas(1) s
-#define __packed_struct_end()   };
 
-#define COMPILE_TIME_ASSERT_ALIGNOF_USING_SIZEOF__(a,b) { \
+// TODO later cleanup: this was needed in the old days to catch compiler problems/bugs;
-     typedef a acc_tmp_a_t; typedef b acc_tmp_b_t; \
+//   we now require C++17, so remove this
-     struct alignas(1) acc_tmp_t { acc_tmp_b_t x; acc_tmp_a_t y; acc_tmp_b_t z; }; \
+#define COMPILE_TIME_ASSERT_ALIGNOF_USING_SIZEOF__(a, b)                                           \
-     COMPILE_TIME_ASSERT(sizeof(struct acc_tmp_t) == 2*sizeof(b)+sizeof(a)) \
+    {                                                                                              \
-     COMPILE_TIME_ASSERT(sizeof(((acc_tmp_t*)nullptr)->x)+sizeof(((acc_tmp_t*)nullptr)->y)+sizeof(((acc_tmp_t*)nullptr)->z) == 2*sizeof(b)+sizeof(a)) \
+        typedef a acc_tmp_a_t;                                                                     \
+        typedef b acc_tmp_b_t;                                                                     \
+        struct alignas(1) acc_tmp_t {                                                              \
+            acc_tmp_b_t x;                                                                         \
+            acc_tmp_a_t y;                                                                         \
+            acc_tmp_b_t z;                                                                         \
+        };                                                                                         \
+        COMPILE_TIME_ASSERT(sizeof(struct acc_tmp_t) == 2 * sizeof(b) + sizeof(a))                 \
+        COMPILE_TIME_ASSERT(sizeof(((acc_tmp_t *) nullptr)->x) +                                   \
+                                sizeof(((acc_tmp_t *) nullptr)->y) +                               \
+                                sizeof(((acc_tmp_t *) nullptr)->z) ==                              \
+                            2 * sizeof(b) + sizeof(a))                                             \
     }
-#define COMPILE_TIME_ASSERT_ALIGNOF__(a,b) \
+#define COMPILE_TIME_ASSERT_ALIGNOF__(a, b)                                                        \
-   COMPILE_TIME_ASSERT_ALIGNOF_USING_SIZEOF__(a,b) \
+    COMPILE_TIME_ASSERT_ALIGNOF_USING_SIZEOF__(a, b)                                               \
     COMPILE_TIME_ASSERT(__acc_alignof(a) == sizeof(b))                                             \
     COMPILE_TIME_ASSERT(alignof(a) == sizeof(b))
-#define COMPILE_TIME_ASSERT_ALIGNED1(a)     COMPILE_TIME_ASSERT_ALIGNOF__(a,char)
+#define COMPILE_TIME_ASSERT_ALIGNED1(a) COMPILE_TIME_ASSERT_ALIGNOF__(a, char)
 
-#define TABLESIZE(table)    ((sizeof(table)/sizeof((table)[0])))
+#define TABLESIZE(table) ((sizeof(table) / sizeof((table)[0])))
 
+// TODO later: move these to upx namespace in util/cxxlib.h; also see bele.h
+template <class T>
+inline T ALIGN_DOWN(const T &a, const T &b) {
+    T r;
+    r = (a / b) * b;
+    return r;
+}
+template <class T>
+inline T ALIGN_UP(const T &a, const T &b) {
+    T r;
+    r = ((a + b - 1) / b) * b;
+    return r;
+}
+template <class T>
+inline T ALIGN_GAP(const T &a, const T &b) {
+    T r;
+    r = ALIGN_UP(a, b) - a;
+    return r;
+}
 
 template <class T>
-inline T ALIGN_DOWN(const T& a, const T& b) { T r; r = (a / b) * b; return r; }
+inline const T &UPX_MAX(const T &a, const T &b) {
+    if (a < b)
+        return b;
+    return a;
+}
 template <class T>
-inline T ALIGN_UP  (const T& a, const T& b) { T r; r = ((a + b - 1) / b) * b; return r; }
+inline const T &UPX_MIN(const T &a, const T &b) {
-template <class T>
+    if (a < b)
-inline T ALIGN_GAP (const T& a, const T& b) { T r; r = ALIGN_UP(a, b) - a; return r; }
+        return a;
-
+    return b;
-template <class T>
+}
-inline const T& UPX_MAX(const T& a, const T& b) { if (a < b) return b; return a; }
-template <class T>
-inline const T& UPX_MIN(const T& a, const T& b) { if (a < b) return a; return b; }
 
 template <class T>
 inline void mem_clear(T *object) noexcept {
@@ -391,6 +436,7 @@ inline void mem_clear(T *object) noexcept {
     static_assert(size >= 1 && size <= UPX_RSIZE_MAX_MEM);
     memset((void *) object, 0, size);
 }
+// disable some overloads
 #if defined(__clang__) || __GNUC__ != 7
 template <class T>
 inline void mem_clear(T (&array)[]) noexcept DELETED_FUNCTION;
@@ -401,36 +447,39 @@ inline void mem_clear(T (&array)[N]) noexcept DELETED_FUNCTION;
 // An Array allocates memory on the heap, and automatically
 // gets destructed when leaving scope or on exceptions.
 #define Array(type, var, n)                                                                        \
-    MemBuffer var ## _membuf(mem_size(sizeof(type), (n))); \
+    MemBuffer var##_membuf(mem_size(sizeof(type), (n)));                                           \
-    type * const var = ACC_STATIC_CAST(type *, var ## _membuf.getVoidPtr())
+    type *const var = ACC_STATIC_CAST(type *, var##_membuf.getVoidPtr())
 
 #define ByteArray(var, n) Array(byte, var, (n))
 
 // assert_noexcept()
-noinline void assertFailed(const char *expr, const char *file, int line, const char *func) noexcept;
+noreturn void assertFailed(const char *expr, const char *file, int line, const char *func) noexcept;
-noinline void throwAssertFailed(const char *expr, const char *file, int line, const char *func);
+noreturn void throwAssertFailed(const char *expr, const char *file, int line, const char *func);
-#if defined(__GNUC__)
+#if defined(__clang__) || defined(__GNUC__)
 #undef assert
 #if DEBUG || 0
-// generate a warning if assert() is used inside a "noexcept" context
+// trigger a warning if assert() is used inside a "noexcept" context
-#define assert(e)          ((void)(__acc_cte(e) || (assertFailed(#e, __FILE__, __LINE__, __func__), throw 1, 0)))
+#define assert(e)                                                                                  \
+    ((void) (__acc_cte(e) || (assertFailed(#e, __FILE__, __LINE__, __func__), throw 1, 0)))
 #else
 // turn assertion failures into exceptions
-#define assert(e)          ((void)(__acc_cte(e) || (throwAssertFailed(#e, __FILE__, __LINE__, __func__), throw 1, 0)))
+#define assert(e)                                                                                  \
+    ((void) (__acc_cte(e) || (throwAssertFailed(#e, __FILE__, __LINE__, __func__), throw 1, 0)))
 #endif
-#define assert_noexcept(e) ((void)(__acc_cte(e) || (assertFailed(#e, __FILE__, __LINE__, __func__), 0)))
+#define assert_noexcept(e)                                                                         \
+    ((void) (__acc_cte(e) || (assertFailed(#e, __FILE__, __LINE__, __func__), 0)))
 #else
 #define assert_noexcept assert
 #endif
 
+// C++ support library
 #include "util/cxxlib.h"
 using upx::is_same_any_v;
 using upx::noncopyable;
-using upx::tribool;
 using upx::OptVar;
+using upx::tribool;
 #define usizeof(expr) (upx::UnsignedSizeOf<sizeof(expr)>::value)
 
-
 /*************************************************************************
 // constants
 **************************************************************************/
@@ -439,7 +488,7 @@ using upx::OptVar;
 #define EXIT_OK         0
 #define EXIT_ERROR      1
 #define EXIT_WARN       2
-
+//
 #define EXIT_USAGE      1
 #define EXIT_FILE_READ  1
 #define EXIT_FILE_WRITE 1
@@ -448,12 +497,10 @@ using upx::OptVar;
 #define EXIT_INIT       1
 #define EXIT_INTERNAL   1
 
-
 // magic constants for patching
 #define UPX_MAGIC_LE32  0x21585055 /* "UPX!" */
 #define UPX_MAGIC2_LE32 0xD5D0D8A1
 
-
 // upx_compress() error codes
 #define UPX_E_OK                  (0)
 #define UPX_E_ERROR               (-1)
@@ -467,21 +514,20 @@ using upx::OptVar;
 #define UPX_E_NOT_YET_IMPLEMENTED (-9)
 #define UPX_E_INVALID_ARGUMENT    (-10)
 
-
 // Executable formats (info: big endian types are >= 128); DO NOT CHANGE
 #define UPX_F_DOS_COM             1
 #define UPX_F_DOS_SYS             2
 #define UPX_F_DOS_EXE             3
 #define UPX_F_DJGPP2_COFF         4
 #define UPX_F_WATCOM_LE           5
-//#define UPX_F_VXD_LE            6               // NOT IMPLEMENTED
+// #define UPX_F_VXD_LE              6 // NOT IMPLEMENTED
 #define UPX_F_DOS_EXEH            7 // OBSOLETE
 #define UPX_F_TMT_ADAM            8
 #define UPX_F_W32PE_I386          9
 #define UPX_F_LINUX_i386          10
-//#define UPX_F_WIN16_NE          11              // NOT IMPLEMENTED
+// #define UPX_F_WIN16_NE            11 // NOT IMPLEMENTED
 #define UPX_F_LINUX_ELF_i386      12
-//#define UPX_F_LINUX_SEP_i386    13              // NOT IMPLEMENTED
+// #define UPX_F_LINUX_SEP_i386      13 // NOT IMPLEMENTED
 #define UPX_F_LINUX_SH_i386       14
 #define UPX_F_VMLINUZ_i386        15
 #define UPX_F_BVMLINUZ_i386       16
@@ -506,16 +552,16 @@ using upx::OptVar;
 #define UPX_F_DYLIB_AMD64         35
 #define UPX_F_W64PE_AMD64         36
 #define UPX_F_MACH_ARM64          37
-//#define UPX_F_MACH_PPC64LE      38              // DOES NOT EXIST
+// #define UPX_F_MACH_PPC64LE        38 // DOES NOT EXIST
 #define UPX_F_LINUX_ELF64_PPC64LE 39
 #define UPX_F_VMLINUX_PPC64LE     40
-//#define UPX_F_DYLIB_PPC64LE     41              // DOES NOT EXIST
+// #define UPX_F_DYLIB_PPC64LE       41 // DOES NOT EXIST
 #define UPX_F_LINUX_ELF64_ARM64   42
 #define UPX_F_W64PE_ARM64         43 // NOT YET IMPLEMENTED
 #define UPX_F_W64PE_ARM64EC       44 // NOT YET IMPLEMENTED
 
 #define UPX_F_ATARI_TOS         129
-//#define UPX_F_SOLARIS_SPARC     130             // NOT IMPLEMENTED
+// #define UPX_F_SOLARIS_SPARC     130 // NOT IMPLEMENTED
 #define UPX_F_MACH_PPC32        131
 #define UPX_F_LINUX_ELF32_PPC32 132
 #define UPX_F_LINUX_ELF32_ARMEB 133
@@ -539,12 +585,13 @@ using upx::OptVar;
 #define M_NRV2E_LE32  8
 #define M_NRV2E_8     9
 #define M_NRV2E_LE16  10
-//#define M_CL1B_LE32     11
+// #define M_CL1B_LE32   11
-//#define M_CL1B_8        12
+// #define M_CL1B_8      12
-//#define M_CL1B_LE16     13
+// #define M_CL1B_LE16   13
 #define M_LZMA        14
-#define M_DEFLATE       15      // zlib
+#define M_DEFLATE     15 // NOT YET USED
-#define M_ZSTD          16
+#define M_ZSTD        16 // NOT YET USED
+#define M_BZIP2       17 // NOT YET USED
 // compression methods internal usage
 #define M_ALL         (-1)
 #define M_END         (-2)
@@ -555,11 +602,11 @@ using upx::OptVar;
 #define M_IS_NRV2B(x)   ((x) >= M_NRV2B_LE32 && (x) <= M_NRV2B_LE16)
 #define M_IS_NRV2D(x)   ((x) >= M_NRV2D_LE32 && (x) <= M_NRV2D_LE16)
 #define M_IS_NRV2E(x)   ((x) >= M_NRV2E_LE32 && (x) <= M_NRV2E_LE16)
-//#define M_IS_CL1B(x)    ((x) >= M_CL1B_LE32  && (x) <= M_CL1B_LE16)
+// #define M_IS_CL1B(x)    ((x) >= M_CL1B_LE32  && (x) <= M_CL1B_LE16)
-#define M_IS_LZMA(x)    (((x) & 255) == M_LZMA)
+#define M_IS_LZMA(x)    (((x) &255) == M_LZMA)
 #define M_IS_DEFLATE(x) ((x) == M_DEFLATE)
 #define M_IS_ZSTD(x)    ((x) == M_ZSTD)
-
+#define M_IS_BZIP2(x)   ((x) == M_BZIP2)
 
 // filters internal usage
 #define FT_END         (-1)
@@ -567,7 +614,6 @@ using upx::OptVar;
 #define FT_SKIP        (-3)
 #define FT_ULTRA_BRUTE (-4)
 
-
 /*************************************************************************
 // compression - setup and callback_t
 **************************************************************************/
@@ -576,35 +622,38 @@ using upx::OptVar;
 #define WITH_UCL  1
 #define WITH_ZLIB 1
 #if (WITH_UCL)
-#  define ucl_compress_config_t REAL_ucl_compress_config_t
+#define ucl_compress_config_t REAL_ucl_compress_config_t
-#  include <ucl/include/ucl/uclconf.h>
+#include <ucl/include/ucl/uclconf.h>
-#  include <ucl/include/ucl/ucl.h>
+#include <ucl/include/ucl/ucl.h>
-#  undef ucl_compress_config_t
+#undef ucl_compress_config_t
-#  undef ucl_compress_config_p
+#undef ucl_compress_config_p
 #endif
 
 struct upx_callback_t;
-typedef upx_callback_t *upx_callback_p;
+typedef void(__acc_cdecl *upx_progress_func_t)(upx_callback_t *, unsigned, unsigned);
-typedef void (__acc_cdecl *upx_progress_func_t)
-    (upx_callback_p, unsigned, unsigned);
 
-struct upx_callback_t {
+struct upx_callback_t final {
     upx_progress_func_t nprogress;
     void *user;
 
     void reset() noexcept { mem_clear(this); }
 };
 
-
 /*************************************************************************
 // compression - config_t
 **************************************************************************/
 
-struct lzma_compress_config_t {
+struct bzip2_compress_config_t final {
+    unsigned dummy;
+
+    void reset() noexcept;
+};
+
+struct lzma_compress_config_t final {
     typedef OptVar<unsigned, 2u, 0u, 4u> pos_bits_t;         // pb
     typedef OptVar<unsigned, 0u, 0u, 4u> lit_pos_bits_t;     // lp
     typedef OptVar<unsigned, 3u, 0u, 8u> lit_context_bits_t; // lc
-    typedef OptVar<unsigned, (1u<<22), 1u, (1u<<30) > dict_size_t;
+    typedef OptVar<unsigned, (1u << 22), 1u, (1u << 30)> dict_size_t;
     typedef OptVar<unsigned, 64u, 5u, 273u> num_fast_bytes_t;
 
     pos_bits_t pos_bits;                 // pb
@@ -620,11 +669,11 @@ struct lzma_compress_config_t {
     void reset() noexcept;
 };
 
-struct ucl_compress_config_t : public REAL_ucl_compress_config_t {
+struct ucl_compress_config_t final : public REAL_ucl_compress_config_t {
     void reset() noexcept { memset(this, 0xff, sizeof(*this)); }
 };
 
-struct zlib_compress_config_t {
+struct zlib_compress_config_t final {
     typedef OptVar<unsigned, 8u, 1u, 9u> mem_level_t;     // ml
     typedef OptVar<unsigned, 15u, 9u, 15u> window_bits_t; // wb
     typedef OptVar<unsigned, 0u, 0u, 4u> strategy_t;      // st
@@ -636,29 +685,41 @@ struct zlib_compress_config_t {
     void reset() noexcept;
 };
 
-struct zstd_compress_config_t {
+struct zstd_compress_config_t final {
     unsigned dummy;
 
     void reset() noexcept;
 };
 
-struct upx_compress_config_t {
+struct upx_compress_config_t final {
+    bzip2_compress_config_t conf_bzip2;
     lzma_compress_config_t conf_lzma;
     ucl_compress_config_t conf_ucl;
     zlib_compress_config_t conf_zlib;
     zstd_compress_config_t conf_zstd;
 
-    void reset() noexcept { conf_lzma.reset(); conf_ucl.reset(); conf_zlib.reset(); conf_zstd.reset(); }
+    void reset() noexcept {
+        conf_bzip2.reset();
+        conf_lzma.reset();
+        conf_ucl.reset();
+        conf_zlib.reset();
+        conf_zstd.reset();
+    }
 };
 
-#define NULL_cconf  ((upx_compress_config_t *) nullptr)
+#define NULL_cconf ((const upx_compress_config_t *) nullptr)
-
 
 /*************************************************************************
 // compression - result_t
 **************************************************************************/
 
-struct lzma_compress_result_t {
+struct bzip2_compress_result_t final {
+    unsigned dummy;
+
+    void reset() noexcept { mem_clear(this); }
+};
+
+struct lzma_compress_result_t final {
     unsigned pos_bits;         // pb
     unsigned lit_pos_bits;     // lp
     unsigned lit_context_bits; // lc
@@ -671,25 +732,25 @@ struct lzma_compress_result_t {
     void reset() noexcept { mem_clear(this); }
 };
 
-struct ucl_compress_result_t {
+struct ucl_compress_result_t final {
     ucl_uint result[16];
 
     void reset() noexcept { mem_clear(this); }
 };
 
-struct zlib_compress_result_t {
+struct zlib_compress_result_t final {
     unsigned dummy;
 
     void reset() noexcept { mem_clear(this); }
 };
 
-struct zstd_compress_result_t {
+struct zstd_compress_result_t final {
     unsigned dummy;
 
     void reset() noexcept { mem_clear(this); }
 };
 
-struct upx_compress_result_t {
+struct upx_compress_result_t final {
     // debugging aid
     struct Debug {
         int method, level;
@@ -698,6 +759,7 @@ struct upx_compress_result_t {
     };
     Debug debug;
 
+    bzip2_compress_result_t result_bzip2;
     lzma_compress_result_t result_lzma;
     ucl_compress_result_t result_ucl;
     zlib_compress_result_t result_zlib;
@@ -705,30 +767,33 @@ struct upx_compress_result_t {
 
     void reset() noexcept {
         debug.reset();
-        result_lzma.reset(); result_ucl.reset(); result_zlib.reset(); result_zstd.reset();
+        result_bzip2.reset();
+        result_lzma.reset();
+        result_ucl.reset();
+        result_zlib.reset();
+        result_zstd.reset();
     }
 };
 
-
 /*************************************************************************
 // globals
 **************************************************************************/
 
 // classes
 class ElfLinker;
-typedef ElfLinker Linker;
+typedef ElfLinker Linker; // shortcut
 class Throwable;
 
+// check/dt_check.cpp
+noinline void upx_compiler_sanity_check() noexcept;
+noinline int upx_doctest_check(int argc, char **argv);
+int upx_doctest_check();
+
 // util/membuffer.h
 class MemBuffer;
 void *membuffer_get_void_ptr(MemBuffer &mb) noexcept;
 unsigned membuffer_get_size(MemBuffer &mb) noexcept;
 
-// util/dt_check.cpp
-noinline void upx_compiler_sanity_check() noexcept;
-noinline int upx_doctest_check(int argc, char **argv);
-int upx_doctest_check();
-
 // main.cpp
 extern const char *progname;
 bool main_set_exit_code(int ec);
@@ -757,36 +822,35 @@ int do_files(int i, int argc, char *argv[]) may_throw;
 // help.cpp
 extern const char gitrev[];
 void show_header();
-void show_help(int verbose=0);
+void show_help(int verbose);
 void show_license();
 void show_sysinfo(const char *options_var);
 void show_usage();
-void show_version(bool one_line=false);
+void show_version(bool one_line = false);
 
 // compress/compress.cpp
-unsigned upx_adler32(const void *buf, unsigned len, unsigned adler=1);
-unsigned upx_crc32  (const void *buf, unsigned len, unsigned crc=0);
-
 // clang-format off
+unsigned upx_adler32(const void *buf, unsigned len, unsigned adler = 1);
+unsigned upx_crc32  (const void *buf, unsigned len, unsigned crc = 0);
+
 int upx_compress           ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
-                                   upx_callback_p cb,
+                                   upx_callback_t *cb,
                                    int method, int level,
                              const upx_compress_config_t *cconf,
                                    upx_compress_result_t *cresult );
 int upx_decompress         ( const upx_bytep src, unsigned  src_len,
-                                   upx_bytep dst, unsigned* dst_len,
+                                   upx_bytep dst, unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 int upx_test_overlap       ( const upx_bytep buf,
                              const upx_bytep tbuf,
                                    unsigned  src_off, unsigned src_len,
-                                   unsigned* dst_len,
+                                   unsigned *dst_len,
                                    int method,
                              const upx_compress_result_t *cresult );
 // clang-format on
 
-
 #include "util/snprintf.h" // must get included first!
 #include "util/util.h"
 #include "options.h"
@@ -797,5 +861,4 @@ int upx_test_overlap       ( const upx_bytep buf,
 #include "util/raw_bytes.h"
 #include "util/xspan.h"
 
-
 /* vim:set ts=4 sw=4 et: */

src/console/c_file.cpp

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them

src/console/c_init.cpp

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them

src/console/c_none.cpp

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them

src/console/c_screen.cpp

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them

src/console/console.h

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them

src/console/s_djgpp2.cpp

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them

src/console/s_object.cpp

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them

src/console/s_vcsa.cpp

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them

src/console/s_win32.cpp

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -25,6 +25,11 @@
    <markus@oberhumer.com>               <ezerotven+github@gmail.com>
  */
 
+#define WANT_WINDOWS_LEAN_H 1
+#include "../util/system_headers.h"
+#if (HAVE_CONIO_H)
+#include <conio.h>
+#endif
 #include "../conf.h"
 
 #if (USE_SCREEN_WIN32)
@@ -33,11 +38,6 @@
 // direct screen access
 **************************************************************************/
 
-#include "../util/windows_lean.h"
-#if (HAVE_CONIO_H)
-#include <conio.h>
-#endif
-
 #include "screen.h"
 
 #define this self

src/console/screen.h

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them

src/except.cpp

@@ -2,8 +2,8 @@
 
    This file is part of the UPX executable compressor.
 
-   Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
+   Copyright (C) 1996-2024 Markus Franz Xaver Johannes Oberhumer
-   Copyright (C) 1996-2023 Laszlo Molnar
+   Copyright (C) 1996-2024 Laszlo Molnar
    All Rights Reserved.
 
    UPX and the UCL library are free software; you can redistribute them
@@ -31,39 +31,41 @@
 //
 **************************************************************************/
 
-/*static*/ upx_std_atomic(size_t) Throwable::debug_counter;
+/*static*/ Throwable::Stats Throwable::stats;
 
 Throwable::Throwable(const char *m, int e, bool w) noexcept : super(),
                                                               msg(nullptr),
                                                               err(e),
                                                               is_warning(w) {
-    if (m)
+    if (m != nullptr) {
         msg = strdup(m);
-#if 0
+        assert_noexcept(msg != nullptr);
-    fprintf(stderr, "construct exception: %s %zu\n", msg, debug_counter);
+    }
-    debug_counter += 1;
+    NO_fprintf(stderr, "construct exception: %zu %zu %s\n", size_t(stats.counter_current),
-#endif
+               size_t(stats.counter_total), (const char *) msg);
+    stats.counter_current += 1;
+    stats.counter_total += 1;
 }
 
 Throwable::Throwable(const Throwable &other) noexcept : super(other),
                                                         msg(nullptr),
                                                         err(other.err),
                                                         is_warning(other.is_warning) {
-    if (other.msg)
+    if (other.msg != nullptr) {
         msg = strdup(other.msg);
-#if 0
+        assert_noexcept(msg != nullptr);
-    fprintf(stderr, "copy exception: %s %zu\n", msg, debug_counter);
+    }
-    debug_counter += 1;
+    NO_fprintf(stderr, "copy construct exception: %zu %zu %s\n", size_t(stats.counter_current),
-#endif
+               size_t(stats.counter_total), (const char *) msg);
+    stats.counter_current += 1;
+    stats.counter_total += 1;
 }
 
 Throwable::~Throwable() noexcept {
-#if 0
+    stats.counter_current -= 1;
-    debug_counter -= 1;
+    NO_fprintf(stderr, "destruct exception: %zu %zu %s\n", size_t(stats.counter_current),
-    fprintf(stderr, "destruct exception: %s %zu\n", msg, debug_counter);
+               size_t(stats.counter_total), (const char *) msg);
-#endif
+    upx::owner_free(msg);
-    if (msg)
-        free(msg);
 }
 
 /*************************************************************************
@@ -150,7 +152,7 @@ void throwCantPack(const char *format, ...) {
     char msg[1024];
     va_list ap;
     va_start(ap, format);
-    (void) upx_safe_vsnprintf(msg, sizeof(msg), format, ap);
+    (void) upx_safe_vsnprintf_noexcept(msg, sizeof(msg), format, ap);
     va_end(ap);
     throwCantPack(msg);
 }
@@ -160,7 +162,17 @@ void throwCantUnpack(const char *format, ...) {
     char msg[1024];
     va_list ap;
     va_start(ap, format);
-    (void) upx_safe_vsnprintf(msg, sizeof(msg), format, ap);
+    (void) upx_safe_vsnprintf_noexcept(msg, sizeof(msg), format, ap);
+    va_end(ap);
+    throwCantUnpack(msg);
+}
+
+template <>
+void throwInternalError(const char *format, ...) {
+    char msg[1024];
+    va_list ap;
+    va_start(ap, format);
+    (void) upx_safe_vsnprintf_noexcept(msg, sizeof(msg), format, ap);
     va_end(ap);
     throwCantUnpack(msg);
 }
@@ -183,7 +195,7 @@ void throwAssertFailed(const char *expr, const char *file, int line, const char
     }
 }
 
-const char *prettyName(const char *n) noexcept {
+const char *prettyExceptionName(const char *n) noexcept {
     if (n == nullptr)
         return "(null)";
     while (*n) {
@@ -191,7 +203,7 @@ const char *prettyName(const char *n) noexcept {
             n++;
         else if (*n == ' ')
             n++;
-        else if (strncmp(n, "class ", 6) == 0) // Visual C++ (msvc)
+        else if (strncmp(n, "class ", 6) == 0) // Visual C++ (MSVC)
             n += 6;
         else
             break;