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Diffstat (limited to 'protoc-artifacts/build-protoc.sh')
| -rwxr-xr-x | protoc-artifacts/build-protoc.sh | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/protoc-artifacts/build-protoc.sh b/protoc-artifacts/build-protoc.sh new file mode 100755 index 00000000..e31948e9 --- /dev/null +++ b/protoc-artifacts/build-protoc.sh @@ -0,0 +1,236 @@ +#!/bin/bash + +# Builds protoc executable into target/protoc.exe; optionally build protoc +# plugins into target/protoc-gen-*.exe +# To be run from Maven. +# Usage: build-protoc.sh <OS> <ARCH> <TARGET> +# <OS> and <ARCH> are ${os.detected.name} and ${os.detected.arch} from os-maven-plugin +# <TARGET> can be "protoc" or "protoc-gen-javalite" +OS=$1 +ARCH=$2 +MAKE_TARGET=$3 + +if [[ $# < 3 ]]; then + echo "No arguments provided. This script is intended to be run from Maven." + exit 1 +fi + +case $MAKE_TARGET in + protoc-gen-javalite) + ;; + protoc) + ;; + *) + echo "Target ""$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 [[ "$OS" == linux ]]; then + if [[ "$ARCH" == x86_32 ]]; then + assertEq $format "elf32-i386" $LINENO + elif [[ "$ARCH" == x86_64 ]]; then + assertEq $format "elf64-x86-64" $LINENO + 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 + 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 [[ "$ARCH" == x86_64 ]]; then + white_list="linux-vdso\.so\.1\|libpthread\.so\.0\|libm\.so\.6\|libc\.so\.6\|ld-linux-x86-64\.so\.2" + fi + elif [[ "$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=$ARCH TARGET=$TARGET" + +# Nested double quotes are unintuitive, but it works. +cd "$(dirname "$0")" + +WORKING_DIR=$(pwd) +CONFIGURE_ARGS="--disable-shared" + +TARGET_FILE=target/$MAKE_TARGET.exe +if [[ "$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" + else + fail "Unsupported arch: $ARCH" + fi + elif [[ "$OS" == windows ]]; then + # Cross-compilation for Windows + # TODO(zhangkun83) MinGW 64 always adds dependency on libwinpthread-1.dll, + # which is undesirable for repository deployment. + 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: $(uname)" +fi + +# Statically link libgcc and libstdc++. +# -s to produce stripped binary. +# And they don't work under Mac. +if [[ "$OS" != osx ]]; then + LDFLAGS="$LDFLAGS -static-libgcc -static-libstdc++ -s" +fi + +export CXXFLAGS LDFLAGS + +cd "$WORKING_DIR"/.. && ./configure $CONFIGURE_ARGS && + cd src && make clean && make $MAKE_TARGET && + cd "$WORKING_DIR" && mkdir -p target && + cp ../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 |