Add support for Travis CI.

.travis_build.sh

@@ -0,0 +1,47 @@
+#! /bin/bash
+## vim:set ts=4 sw=4 et:
+set -e; set -o pipefail
+
+echo "BUILD_METHOD_AND_BUILD_TYPE='$BUILD_METHOD_AND_BUILD_TYPE'"
+echo "CC='$CC'"
+echo "CXX='$CXX'"
+echo "CPPFLAGS='$CPPFLAGS'"
+echo "CFLAGS='$CFLAGS'"
+echo "CXXFLAGS='$CXXFLAGS'"
+echo "LDFLAGS='$LDFLAGS'"
+echo "LIBS='$LIBS'"
+echo "BUILD_DIR='$BUILD_DIR'"
+echo "UPX_UCLDIR='$UPX_UCLDIR'"
+#env | LC_ALL=C sort
+
+# build UCL
+cd /
+set -x
+cd "$UPX_UCLDIR"
+./configure --enable-static --disable-shared
+make
+
+cd /
+set -x
+mkdir -p "$BUILD_DIR"
+cd "$BUILD_DIR"
+
+case $BUILD_METHOD_AND_BUILD_TYPE in
+make/debug)
+    make -f "$TRAVIS_BUILD_DIR/src/Makefile" USE_DEBUG=1
+    ;;
+make/release)
+    make -f "$TRAVIS_BUILD_DIR/src/Makefile"
+    ;;
+make/scan-build)
+    if test "$CC" = "clang"; then
+        scan-build make -f "$TRAVIS_BUILD_DIR/src/Makefile"
+    else
+        make -f "$TRAVIS_BUILD_DIR/src/Makefile" USE_SANITIZE=1
+    fi
+    ;;
+*)
+    echo "ERROR: invalid build '$BUILD_METHOD_AND_BUILD_TYPE'"
+    exit 1
+    ;;
+esac