Add support for Travis CI.

.travis.yml

@@ -0,0 +1,35 @@
+sudo: false
+language: cpp
+
+branches:
+  only:
+    - devel
+    - travis
+
+install:
+  - DEPS_DIR="$TRAVIS_BUILD_DIR/deps"
+  - mkdir -p "$DEPS_DIR" && cd "$DEPS_DIR"
+  - wget --no-check-certificate -q -O - https://download.freenas.org/distfiles/ucl-1.03.tar.gz | tar -xz
+
+os:
+  - linux
+#  - osx
+
+compiler:
+  - clang
+  - gcc
+
+env:
+  global:
+    - B=
+  matrix:
+    - B=make/debug
+    - B=make/release
+#    - B=make/scan-build
+
+before_script:
+  - export BUILD_DIR="$TRAVIS_BUILD_DIR/build"
+  - export BUILD_METHOD_AND_BUILD_TYPE="$B"
+  - export UPX_UCLDIR="$TRAVIS_BUILD_DIR/deps/ucl-1.03"
+script:
+  - bash "$TRAVIS_BUILD_DIR/.travis_build.sh"

.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