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