|  | #!/bin/bash | 
|  |  | 
|  | # Builds protoc executable into target/<OS>/<ARCH>/protoc.exe; optionally builds | 
|  | # protoc plugins into target/<OS>/<ARCH>/protoc-gen-*.exe | 
|  | # | 
|  | # Usage: ./build-protoc.sh <OS> <ARCH> <TARGET> | 
|  | # | 
|  | # <TARGET> can be "protoc" or "protoc-gen-javalite". Supported <OS> <ARCH> | 
|  | # combinations: | 
|  | #   HOST   <OS>    <ARCH>   <COMMENT> | 
|  | #   cygwin windows x86_32   Requires: i686-w64-mingw32-gcc | 
|  | #   cygwin windows x86_64   Requires: x86_64-w64-mingw32-gcc | 
|  | #   linux  linux   aarch_64 Requires: g++-aarch64-linux-gnu | 
|  | #   linux  linux   x86_32 | 
|  | #   linux  linux   x86_64 | 
|  | #   linux  windows x86_32   Requires: i686-w64-mingw32-gcc | 
|  | #   linux  windows x86_64   Requires: x86_64-w64-mingw32-gcc | 
|  | #   macos  osx     x86_32 | 
|  | #   macos  osx     x86_64 | 
|  | #   mingw  windows x86_32 | 
|  | #   mingw  windows x86_64 | 
|  | # | 
|  | # Before running this script, make sure you have generated the configure script | 
|  | # in the parent directory (i.e., run ./autogen.sh there). | 
|  |  | 
|  | OS=$1 | 
|  | ARCH=$2 | 
|  | MAKE_TARGET=$3 | 
|  |  | 
|  | if [[ $# < 3 ]]; then | 
|  | echo "Not enough arguments provided." | 
|  | exit 1 | 
|  | fi | 
|  |  | 
|  | case $MAKE_TARGET in | 
|  | protoc-gen-javalite) | 
|  | ;; | 
|  | protoc) | 
|  | ;; | 
|  | *) | 
|  | echo "Target ""$MAKE_TARGET"" invalid." | 
|  | exit 1 | 
|  | esac | 
|  |  | 
|  | # Under Cygwin, bash doesn't have these in PATH when called from Maven which | 
|  | # runs in Windows version of Java. | 
|  | export PATH="/bin:/usr/bin:$PATH" | 
|  |  | 
|  | ############################################################################ | 
|  | # Helper functions | 
|  | ############################################################################ | 
|  | E_PARAM_ERR=98 | 
|  | E_ASSERT_FAILED=99 | 
|  |  | 
|  | # Usage: | 
|  | fail() | 
|  | { | 
|  | echo "ERROR: $1" | 
|  | echo | 
|  | exit $E_ASSERT_FAILED | 
|  | } | 
|  |  | 
|  | # Usage: assertEq VAL1 VAL2 $LINENO | 
|  | assertEq () | 
|  | { | 
|  | lineno=$3 | 
|  | if [ -z "$lineno" ]; then | 
|  | echo "lineno not given" | 
|  | exit $E_PARAM_ERR | 
|  | fi | 
|  |  | 
|  | if [[ "$1" != "$2" ]]; then | 
|  | echo "Assertion failed:  \"$1\" == \"$2\"" | 
|  | echo "File \"$0\", line $lineno"    # Give name of file and line number. | 
|  | exit $E_ASSERT_FAILED | 
|  | fi | 
|  | } | 
|  |  | 
|  | # Checks the artifact is for the expected architecture | 
|  | # Usage: checkArch <path-to-protoc> | 
|  | checkArch () | 
|  | { | 
|  | echo | 
|  | echo "Checking file format ..." | 
|  | if [[ "$OS" == windows || "$OS" == linux ]]; then | 
|  | format="$(objdump -f "$1" | grep -o "file format .*$" | grep -o "[^ ]*$")" | 
|  | echo Format=$format | 
|  | if [[ "$OS" == linux ]]; then | 
|  | host_machine="$(uname -m)"; | 
|  | if [[ "$ARCH" == x86_32 ]]; then | 
|  | assertEq $format "elf32-i386" $LINENO | 
|  | elif [[ "$ARCH" == x86_64 ]]; then | 
|  | assertEq $format "elf64-x86-64" $LINENO | 
|  | elif [[ "$ARCH" == aarch_64 ]]; then | 
|  | assertEq $format "elf64-little" $LINENO | 
|  | elif [[ "$ARCH" == s390_64 ]]; then | 
|  | if [[ $host_machine == s390x ]];then | 
|  | assertEq $format "elf64-s390" $LINENO | 
|  | else | 
|  | assertEq $format "elf64-big" $LINENO | 
|  | fi | 
|  | elif [[ "$ARCH" == ppcle_64 ]]; then | 
|  | if [[ $host_machine == ppc64le ]];then | 
|  | assertEq $format "elf64-powerpcle" $LINENO | 
|  | else | 
|  | assertEq $format "elf64-little" $LINENO | 
|  | fi | 
|  | else | 
|  | fail "Unsupported arch: $ARCH" | 
|  | fi | 
|  | else | 
|  | # $OS == windows | 
|  | if [[ "$ARCH" == x86_32 ]]; then | 
|  | assertEq $format "pei-i386" $LINENO | 
|  | elif [[ "$ARCH" == x86_64 ]]; then | 
|  | assertEq $format "pei-x86-64" $LINENO | 
|  | else | 
|  | fail "Unsupported arch: $ARCH" | 
|  | fi | 
|  | fi | 
|  | elif [[ "$OS" == osx ]]; then | 
|  | format="$(file -b "$1" | grep -o "[^ ]*$")" | 
|  | echo Format=$format | 
|  | if [[ "$ARCH" == x86_32 ]]; then | 
|  | assertEq $format "i386" $LINENO | 
|  | elif [[ "$ARCH" == x86_64 ]]; then | 
|  | assertEq $format "x86_64" $LINENO | 
|  | else | 
|  | fail "Unsupported arch: $ARCH" | 
|  | fi | 
|  | else | 
|  | fail "Unsupported system: $OS" | 
|  | fi | 
|  | echo | 
|  | } | 
|  |  | 
|  | # Checks the dependencies of the artifact. Artifacts should only depend on | 
|  | # system libraries. | 
|  | # Usage: checkDependencies <path-to-protoc> | 
|  | checkDependencies () | 
|  | { | 
|  | if [[ "$OS" == windows ]]; then | 
|  | dump_cmd='objdump -x '"$1"' | fgrep "DLL Name"' | 
|  | white_list="KERNEL32\.dll\|msvcrt\.dll" | 
|  | elif [[ "$OS" == linux ]]; then | 
|  | host_machine="$(uname -m)"; | 
|  | dump_cmd='ldd '"$1" | 
|  | if [[ "$ARCH" == x86_32 ]]; then | 
|  | white_list="linux-gate\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux\.so\.2" | 
|  | elif [[ "$ARCH" == x86_64 ]]; then | 
|  | white_list="linux-vdso\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux-x86-64\.so\.2" | 
|  | elif [[ "$ARCH" == s390_64 ]]; then | 
|  | if [[ $host_machine != s390x ]];then | 
|  | dump_cmd='objdump -p '"$1"' | grep NEEDED' | 
|  | fi | 
|  | white_list="linux-vdso64\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|libz\.so\.1\|ld64\.so\.1" | 
|  | elif [[ "$ARCH" == ppcle_64 ]]; then | 
|  | if [[ $host_machine != ppc64le ]];then | 
|  | dump_cmd='objdump -p '"$1"' | grep NEEDED' | 
|  | fi | 
|  | white_list="linux-vdso64\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|libz\.so\.1\|ld64\.so\.2" | 
|  | elif [[ "$ARCH" == aarch_64 ]]; then | 
|  | dump_cmd='objdump -p '"$1"' | grep NEEDED' | 
|  | white_list="libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux-aarch64\.so\.1" | 
|  | fi | 
|  | elif [[ "$OS" == osx ]]; then | 
|  | dump_cmd='otool -L '"$1"' | fgrep dylib' | 
|  | white_list="libz\.1\.dylib\|libstdc++\.6\.dylib\|libSystem\.B\.dylib" | 
|  | fi | 
|  | if [[ -z "$white_list" || -z "$dump_cmd" ]]; then | 
|  | fail "Unsupported platform $OS-$ARCH." | 
|  | fi | 
|  | echo "Checking for expected dependencies ..." | 
|  | eval $dump_cmd | grep -i "$white_list" || fail "doesn't show any expected dependencies" | 
|  | echo "Checking for unexpected dependencies ..." | 
|  | eval $dump_cmd | grep -i -v "$white_list" | 
|  | ret=$? | 
|  | if [[ $ret == 0 ]]; then | 
|  | fail "found unexpected dependencies (listed above)." | 
|  | elif [[ $ret != 1 ]]; then | 
|  | fail "Error when checking dependencies." | 
|  | fi  # grep returns 1 when "not found", which is what we expect | 
|  | echo "Dependencies look good." | 
|  | echo | 
|  | } | 
|  | ############################################################################ | 
|  |  | 
|  | echo "Building protoc, OS=$OS ARCH=$ARCH TARGET=$MAKE_TARGET" | 
|  |  | 
|  | CONFIGURE_ARGS="--disable-shared" | 
|  |  | 
|  | if [[ "$OS" == windows ]]; then | 
|  | MAKE_TARGET="${MAKE_TARGET}.exe" | 
|  | fi | 
|  |  | 
|  | # Override the default value set in configure.ac that has '-g' which produces | 
|  | # huge binary. | 
|  | CXXFLAGS="-DNDEBUG" | 
|  | LDFLAGS="" | 
|  |  | 
|  | if [[ "$(uname)" == CYGWIN* ]]; then | 
|  | assertEq "$OS" windows $LINENO | 
|  | # Use mingw32 compilers because executables produced by Cygwin compiler | 
|  | # always have dependency on Cygwin DLL. | 
|  | if [[ "$ARCH" == x86_64 ]]; then | 
|  | CONFIGURE_ARGS="$CONFIGURE_ARGS --host=x86_64-w64-mingw32" | 
|  | elif [[ "$ARCH" == x86_32 ]]; then | 
|  | CONFIGURE_ARGS="$CONFIGURE_ARGS --host=i686-pc-mingw32" | 
|  | else | 
|  | fail "Unsupported arch by CYGWIN: $ARCH" | 
|  | fi | 
|  | elif [[ "$(uname)" == MINGW32* ]]; then | 
|  | assertEq "$OS" windows $LINENO | 
|  | assertEq "$ARCH" x86_32 $LINENO | 
|  | elif [[ "$(uname)" == MINGW64* ]]; then | 
|  | assertEq "$OS" windows $LINENO | 
|  | assertEq "$ARCH" x86_64 $LINENO | 
|  | elif [[ "$(uname)" == Linux* ]]; then | 
|  | if [[ "$OS" == linux ]]; then | 
|  | if [[ "$ARCH" == x86_64 ]]; then | 
|  | CXXFLAGS="$CXXFLAGS -m64" | 
|  | elif [[ "$ARCH" == x86_32 ]]; then | 
|  | CXXFLAGS="$CXXFLAGS -m32" | 
|  | elif [[ "$ARCH" == aarch_64 ]]; then | 
|  | CONFIGURE_ARGS="$CONFIGURE_ARGS --host=aarch64-linux-gnu" | 
|  | elif [[ "$ARCH" == ppcle_64 ]]; then | 
|  | CXXFLAGS="$CXXFLAGS -m64" | 
|  | CONFIGURE_ARGS="$CONFIGURE_ARGS --host=powerpc64le-linux-gnu" | 
|  | elif [[ "$ARCH" == s390_64 ]]; then | 
|  | CXXFLAGS="$CXXFLAGS -m64" | 
|  | CONFIGURE_ARGS="$CONFIGURE_ARGS --host=s390x-linux-gnu" | 
|  | else | 
|  | fail "Unsupported arch: $ARCH" | 
|  | fi | 
|  | elif [[ "$OS" == windows ]]; then | 
|  | # Cross-compilation for Windows | 
|  | CONFIGURE_ARGS="$CONFIGURE_ARGS" | 
|  | if [[ "$ARCH" == x86_64 ]]; then | 
|  | CONFIGURE_ARGS="$CONFIGURE_ARGS --host=x86_64-w64-mingw32" | 
|  | elif [[ "$ARCH" == x86_32 ]]; then | 
|  | CONFIGURE_ARGS="$CONFIGURE_ARGS --host=i686-w64-mingw32" | 
|  | else | 
|  | fail "Unsupported arch: $ARCH" | 
|  | fi | 
|  | else | 
|  | fail "Cannot build $OS on $(uname)" | 
|  | fi | 
|  | elif [[ "$(uname)" == Darwin* ]]; then | 
|  | assertEq "$OS" osx $LINENO | 
|  | # Make the binary compatible with OSX 10.7 and later | 
|  | CXXFLAGS="$CXXFLAGS -mmacosx-version-min=10.7" | 
|  | if [[ "$ARCH" == x86_64 ]]; then | 
|  | CXXFLAGS="$CXXFLAGS -m64" | 
|  | elif [[ "$ARCH" == x86_32 ]]; then | 
|  | CXXFLAGS="$CXXFLAGS -m32" | 
|  | else | 
|  | fail "Unsupported arch: $ARCH" | 
|  | fi | 
|  | else | 
|  | fail "Unsupported system: $(uname)" | 
|  | fi | 
|  |  | 
|  | # Statically link libgcc and libstdc++. | 
|  | # -s to produce stripped binary. | 
|  | if [[ "$OS" == windows ]]; then | 
|  | # Also static link libpthread required by mingw64 | 
|  | LDFLAGS="$LDFLAGS -static-libgcc -static-libstdc++ -Wl,-Bstatic -lstdc++ -lpthread -s" | 
|  | elif [[ "$OS" != osx ]]; then | 
|  | # And they don't work under Mac. | 
|  | LDFLAGS="$LDFLAGS -static-libgcc -static-libstdc++ -s" | 
|  | fi | 
|  |  | 
|  | export CXXFLAGS LDFLAGS | 
|  |  | 
|  | # Nested double quotes are unintuitive, but it works. | 
|  | cd "$(dirname "$0")" | 
|  |  | 
|  | WORKING_DIR="$(pwd)" | 
|  | BUILD_DIR="build/$OS/$ARCH" | 
|  | TARGET_FILE="target/$OS/$ARCH/$MAKE_TARGET.exe" | 
|  |  | 
|  | mkdir -p "$BUILD_DIR" && cd "$BUILD_DIR" && | 
|  | ../../../../configure $CONFIGURE_ARGS && | 
|  | cd src && make $MAKE_TARGET -j8 && | 
|  | cd "$WORKING_DIR" && mkdir -p $(dirname $TARGET_FILE) && | 
|  | cp $BUILD_DIR/src/$MAKE_TARGET $TARGET_FILE || | 
|  | exit 1 | 
|  |  | 
|  | if [[ "$OS" == osx ]]; then | 
|  | # Since Mac linker doesn't accept "-s", we need to run strip | 
|  | strip $TARGET_FILE || exit 1 | 
|  | fi | 
|  |  | 
|  | checkArch $TARGET_FILE && checkDependencies $TARGET_FILE |