| #!/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 |
| |
| OS=$1 |
| ARCH=$2 |
| BAZEL_TARGET=$3 |
| |
| if [[ $# < 3 ]]; then |
| echo "Not enough arguments provided." |
| exit 1 |
| fi |
| |
| if [[ $BAZEL_TARGET != protoc ]]; then |
| echo "Target ""$BAZEL_TARGET"" invalid." |
| exit 1 |
| fi |
| |
| # 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\|libgcc_s\.so\.1\|libstdc++\.so\.6\|ld-linux\.so\.2" |
| elif [[ "$ARCH" == x86_64 ]]; then |
| white_list="linux-vdso\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|libgcc_s\.so\.1\|libstdc++\.so\.6\|ld-linux-x86-64\.so\.2" |
| elif [[ "$ARCH" == s390_64 ]]; then |
| if [[ $host_machine != s390x ]];then |
| dump_cmd='objdump -p '"$1"' | grep NEEDED' |
| fi |
| white_list="linux-vdso64\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|libgcc_s\.so\.1\|libstdc++\.so\.6\|libz\.so\.1\|ld64\.so\.1" |
| elif [[ "$ARCH" == ppcle_64 ]]; then |
| if [[ $host_machine != ppc64le ]];then |
| dump_cmd='objdump -p '"$1"' | grep NEEDED' |
| fi |
| white_list="linux-vdso64\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|libgcc_s\.so\.1\|libstdc++\.so\.6\|libz\.so\.1\|ld64\.so\.2" |
| elif [[ "$ARCH" == aarch_64 ]]; then |
| dump_cmd='objdump -p '"$1"' | grep NEEDED' |
| white_list="libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|libgcc_s\.so\.1\|libstdc++\.so\.6\|ld-linux-aarch64\.so\.1" |
| fi |
| elif [[ "$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=$ARCH TARGET=$BAZEL_TARGET" |
| |
| BAZEL_ARGS=("--dynamic_mode=off" "--compilation_mode=opt" "--copt=-g0" "--copt=-fpic") |
| |
| if [[ "$OS" == windows ]]; then |
| BAZEL_TARGET="${BAZEL_TARGET}.exe" |
| fi |
| |
| 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 [[ "$OS" == linux ]]; then |
| BAZEL_ARGS+=("--config=linux-$ARCH") |
| elif [[ "$OS" == windows ]]; then |
| # Cross-compilation for Windows |
| if [[ "$ARCH" == x86_64 ]]; then |
| BAZEL_ARGS+=("--config=win64") |
| elif [[ "$ARCH" == x86_32 ]]; then |
| BAZEL_ARGS+=("--config=win32") |
| else |
| fail "Unsupported arch: $ARCH" |
| fi |
| else |
| fail "Cannot build $OS on $(uname)" |
| fi |
| elif [[ "$(uname)" == Darwin* ]]; then |
| assertEq "$OS" osx $LINENO |
| # Make the binary compatible with OSX 10.7 and later |
| BAZEL_ARGS+=("--config=osx-$ARCH" "--macos_minimum_os=10.7") |
| else |
| fail "Unsupported system: $(uname)" |
| fi |
| |
| # Nested double quotes are unintuitive, but it works. |
| cd "$(dirname "$0")" |
| |
| WORKING_DIR="$(pwd)" |
| TARGET_FILE="target/$OS/$ARCH/$BAZEL_TARGET.exe" |
| DOCKER_IMAGE=gcr.io/protobuf-build/bazel/linux@sha256:2bfd061284eff8234f2fcca16d71d43c69ccf3a22206628b54c204a6a9aac277 |
| |
| tmpfile=$(mktemp -u) && |
| docker run --cidfile $tmpfile -v $WORKING_DIR/..:/workspace $DOCKER_IMAGE \ |
| build //:$BAZEL_TARGET "${BAZEL_ARGS[@]}" && |
| mkdir -p $(dirname $TARGET_FILE) && |
| docker cp \ |
| `cat $tmpfile`:/workspace/bazel-bin/$BAZEL_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 |
