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build_compiler_rt.sh
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build_compiler_rt.sh
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#!/usr/bin/env bash
#
# Build and install the "compiler-rt" runtime library.
#
# This requires that you already finished `build.sh`.
# Please refer to README.COMPILER-RT.md for details.
#
pushd "${0%/*}" &>/dev/null
DESC=compiler-rt
source tools/tools.sh
eval $(tools/osxcross_conf.sh)
if [ $PLATFORM == "Darwin" ]; then
exit 1
fi
CLANG_VERSION=$(echo "__clang_major__ __clang_minor__ __clang_patchlevel__" | \
xcrun clang -xc -E - | tail -n1 | tr ' ' '.')
# Drop patch level for <= 3.3.
if [ $(osxcross-cmp $CLANG_VERSION "<=" 3.3) -eq 1 ]; then
CLANG_VERSION=$(echo $CLANG_VERSION | tr '.' ' ' |
awk '{print $1, $2}' | tr ' ' '.')
fi
CLANG_LIB_DIR=$(clang -print-search-dirs | grep "libraries: =" | \
tr '=' ' ' | tr ':' ' ' | awk '{print $2}')
VERSION=$(echo "${CLANG_LIB_DIR}" | tr '/' '\n' | tail -n1)
CLANG_INCLUDE_DIR="${CLANG_LIB_DIR}/include"
CLANG_DARWIN_LIB_DIR="${CLANG_LIB_DIR}/lib/darwin"
USE_CMAKE=0
case $CLANG_VERSION in
3.2* ) BRANCH=release/3.2.x ;;
3.3* ) BRANCH=release/3.3.x ;;
3.4* ) BRANCH=release/3.4.x ;;
3.5* ) BRANCH=release/3.5.x ;;
3.6* ) BRANCH=release/3.6.x ;;
3.7* ) BRANCH=release/3.7.x ;;
3.8* ) BRANCH=release/3.8.x; USE_CMAKE=1; ;;
3.9* ) BRANCH=release/3.9.x; USE_CMAKE=1; ;;
4.0* ) BRANCH=release/4.x; USE_CMAKE=1; ;;
5.0* ) BRANCH=release/5.x; USE_CMAKE=1; ;;
6.0* ) BRANCH=release/6.x; USE_CMAKE=1; ;;
7.* ) BRANCH=release/7.x; USE_CMAKE=1; ;;
8.* ) BRANCH=release/8.x; USE_CMAKE=1; ;;
9.* ) BRANCH=release/9.x; USE_CMAKE=1; ;;
10.* ) BRANCH=release/10.x; USE_CMAKE=1; ;;
11.* ) BRANCH=release/11.x; USE_CMAKE=1; ;;
12.* ) BRANCH=release/12.x; USE_CMAKE=1; ;;
13.* ) BRANCH=release/13.x; USE_CMAKE=1; ;;
14.* ) BRANCH=release/14.x; USE_CMAKE=1; ;;
15.* ) BRANCH=release/15.x; USE_CMAKE=1; ;;
16.* ) BRANCH=release/16.x; USE_CMAKE=1; ;;
17.* ) BRANCH=release/17.x; USE_CMAKE=1; ;;
18.* ) BRANCH=main; USE_CMAKE=1; ;; # Does not build with release/18.x
19.* ) BRANCH=main; USE_CMAKE=1; ;;
* ) echo "Unsupported Clang version, must be >= 3.2 and <= 19.0" 1>&2; exit 1;
esac
if [ $(osxcross-cmp $CLANG_VERSION ">=" 3.5) -eq 1 ]; then
export MACOSX_DEPLOYMENT_TARGET=10.8 # x86_64h
else
export MACOSX_DEPLOYMENT_TARGET=10.4
fi
if [ $(osxcross-cmp $MACOSX_DEPLOYMENT_TARGET ">" \
$SDK_VERSION) -eq 1 ];
then
echo ">= $MACOSX_DEPLOYMENT_TARGET SDK required" 1>&2
exit 1
fi
HAVE_OS_LOCK=0
if echo "#include <os/lock.h>" | xcrun clang -E - &>/dev/null; then
HAVE_OS_LOCK=1
fi
export OSXCROSS_NO_10_5_DEPRECATION_WARNING=1
mkdir -p $BUILD_DIR
pushd $BUILD_DIR &>/dev/null
# Check if a build project for compiler-rt already exists.
# Delete any directory that is called compiler-rt, but is not a build project.
if [ -d "$BUILD_DIR/compiler-rt" ] && [ ! -d "$BUILD_DIR/compiler_rt/compiler-rt" ]; then
rm -rf "$BUILD_DIR/compiler-rt"
fi
get_sources https://github.com/llvm/llvm-project.git $BRANCH "compiler-rt"
if [ $f_res -eq 1 ]; then
pushd "$CURRENT_BUILD_PROJECT_NAME/compiler-rt" &>/dev/null
if [ $(osxcross-cmp $SDK_VERSION "<=" 10.11) -eq 1 ]; then
# https://github.com/tpoechtrager/osxcross/issues/178
patch -p1 < $PATCH_DIR/compiler-rt_clock-gettime.patch
fi
EXTRA_MAKE_FLAGS=""
if [ -n "$OCDEBUG" ]; then
EXTRA_MAKE_FLAGS+="VERBOSE=1 "
fi
if [ $USE_CMAKE -eq 1 ]; then
### CMAKE ###
$SED -i 's/COMMAND xcodebuild -version -sdk ${sdk_name}.internal Path/'\
\ \ \ \ \ \ \ 'COMMAND xcrun -sdk ${sdk_name}.internal --show-sdk-path/g' \
cmake/Modules/CompilerRTDarwinUtils.cmake
$SED -i 's/COMMAND xcodebuild -version -sdk ${sdk_name} Path/'\
\ \ \ \ \ \ \ 'COMMAND xcrun -sdk ${sdk_name} --show-sdk-path/g' \
cmake/Modules/CompilerRTDarwinUtils.cmake
$SED -i 's/COMMAND xcodebuild -version -sdk ${sdk_name}.internal SDKVersion/'\
\ \ \ \ \ \ \ 'COMMAND xcrun -sdk ${sdk_name}.internal --show-sdk-version/g' \
cmake/Modules/CompilerRTDarwinUtils.cmake
$SED -i 's/COMMAND xcodebuild -version -sdk ${sdk_name}.internal SDKVersion/'\
\ \ \ \ \ \ \ 'COMMAND xcrun -sdk ${sdk_name} --show-sdk-version/g' \
cmake/Modules/CompilerRTDarwinUtils.cmake
$SED -i "s/COMMAND lipo /COMMAND xcrun lipo /g" \
cmake/Modules/CompilerRTDarwinUtils.cmake
$SED -i "s/COMMAND ld /COMMAND xcrun ld /g" \
cmake/Modules/CompilerRTDarwinUtils.cmake
$SED -i "s/COMMAND sysctl hw.cputype/COMMAND true/g" \
cmake/Modules/CompilerRTDarwinUtils.cmake
$SED -i "s/COMMAND sysctl hw.cpusubtype/COMMAND true/g" \
cmake/Modules/CompilerRTDarwinUtils.cmake
$SED -i "s/COMMAND codesign /COMMAND true /g" \
cmake/Modules/AddCompilerRT.cmake
$SED -i 's/${CMAKE_COMMAND} -E ${COMPILER_RT_LINK_OR_COPY}/ln -sf/g' \
lib/builtins/CMakeLists.txt
if [ -f "lib/orc/CMakeLists.txt" ]; then
$SED -i 's/list(APPEND ORC_CFLAGS -I${DIR})//g' \
lib/orc/CMakeLists.txt
fi
if [ $HAVE_OS_LOCK -eq 0 ]; then
$SED -i "s/COMPILER_RT_HAS_TSAN TRUE/COMPILER_RT_HAS_TSAN FALSE/g" \
cmake/config-ix.cmake
fi
function build
{
local arch=$1
local build_dir="build"
local extra_cmake_flags=""
if [ -n "$arch" ]; then
build_dir+="_$arch"
extra_cmake_flags+="-DDARWIN_osx_ARCHS=$arch "
extra_cmake_flags+="-DDARWIN_osx_BUILTIN_ARCHS=$arch "
if [ $arch == "arm64" ] || [ $arch == "arm64e" ]; then
# https://github.com/tpoechtrager/osxcross/issues/259
extra_cmake_flags+="-DCOMPILER_RT_BUILD_SANITIZERS=OFF "
extra_cmake_flags+="-DCOMPILER_RT_BUILD_XRAY=OFF "
fi
echo ""
echo "Building for arch $arch ..."
echo ""
fi
mkdir $build_dir
pushd $build_dir &>/dev/null
CC=$(xcrun -f clang) CXX=$(xcrun -f clang++) $CMAKE .. \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_SYSTEM_NAME=Darwin \
-DCOMPILER_RT_ENABLE_IOS=OFF \
-DCMAKE_LIPO=$(xcrun -f lipo) \
-DCMAKE_OSX_SYSROOT=$(xcrun --show-sdk-path) \
-DCMAKE_AR=$(xcrun -f ar) \
$extra_cmake_flags
$MAKE -j $JOBS $EXTRA_MAKE_FLAGS
popd &>/dev/null
}
if [ $(osxcross-cmp $SDK_VERSION ">=" 11.0) -eq 1 ] &&
[ $(osxcross-cmp $CLANG_VERSION ">=" 4.0) -eq 1 ]; then
# https://github.com/tpoechtrager/osxcross/issues/258
# https://github.com/tpoechtrager/osxcross/issues/286
function check_archs
{
tmp=$(mktemp -d)
[ -z "$tmp" ] && exit 1
pushd $tmp &>/dev/null
for arch in $*; do
if echo "int main(){}" | xcrun clang -arch $arch -xc -o test - &>/dev/null; then
rm test
[ -n "$ARCHS" ] && ARCHS+=" "
ARCHS+="$arch"
fi
done
popd &>/dev/null
rmdir $tmp
}
ARCHS=""
check_archs i386 x86_64 x86_64h arm64 arm64e
if [ -z "$ARCHS" ]; then
echo "Compiler does not seem to work"
exit 1
fi
echo ""
echo "Building for archs $ARCHS ..."
echo ""
if [ -z "$DISABLE_PARALLEL_ARCH_BUILD" ] && [ $JOBS -gt 2 ]; then
build_pids="";
jobs_per_build_job=$(awk "BEGIN{print int($JOBS/$(echo $ARCHS | wc -w)+0.5)}")
((jobs_per_build_job=jobs_per_build_job+1))
for arch in $ARCHS; do
JOBS=$jobs_per_build_job build $arch &
build_pids+=" $!"
done
for pid in $build_pids; do
wait $pid || {
echo ""
echo "Build failed!"
echo "Use DISABLE_PARALLEL_ARCH_BUILD=1 to disable parallel building of architectures"
echo ""
exit 1
}
done
else
for arch in $ARCHS; do
build $arch
done
fi
arch1=$(echo $ARCHS | awk '{print $1}')
for file in $(ls build_$arch1/lib/darwin/); do
libs=""
for arch in $ARCHS; do
lib="build_$arch/lib/darwin/$file"
[ -n "$libs" ] && libs+=" "
if [ -f "$lib" ]; then
libs+="$lib"
fi
done
xcrun lipo -create $libs -output build_$arch1/lib/darwin/$file.lipo
rm build_$arch1/lib/darwin/$file
mv build_$arch1/lib/darwin/$file.lipo build_$arch1/lib/darwin/$file
done
create_symlink build_$arch1 build
else
build
fi
### CMAKE END ###
else
### MAKE ###
$SED -i "s/Configs += ios//g" make/platform/clang_darwin.mk
$SED -i "s/Configs += cc_kext_ios5//g" make/platform/clang_darwin.mk
$SED -i "s/Configs += profile_ios//g" make/platform/clang_darwin.mk
$SED -i "s/Configs += asan_iossim_dynamic//g" make/platform/clang_darwin.mk
# Unbreak the -Werror build.
if [ -f lib/asan/asan_mac.h ]; then
$SED -i "s/ASAN__MAC_H/ASAN_MAC_H/g" lib/asan/asan_mac.h
fi
EXTRA_MAKE_FLAGS+="LIPO=\"$(xcrun -f lipo)\""
if [ $(osxcross-cmp $CLANG_VERSION "<=" 3.3) -eq 1 ]; then
EXTRA_MAKE_FLAGS+=" AR=\"$(xcrun -f ar)\""
EXTRA_MAKE_FLAGS+=" RANLIB=\"$(xcrun -f ranlib)\""
EXTRA_MAKE_FLAGS+=" CC=\"$(xcrun -f clang)\""
fi
# Must eval here because of the spaces in EXTRA_MAKE_FLAGS.
eval "$MAKE clang_darwin $EXTRA_MAKE_FLAGS -j $JOBS"
### MAKE END ###
fi
build_success
fi
# We must re-build every time. git clean -fdx
# removes the libraries.
rm -f $BUILD_DIR/.compiler-rt_build_complete
# Installation. Can be either automated (ENABLE_COMPILER_RT_INSTALL) or will
# print the commands that the user should run manually.
function print_or_run() {
if [ -z "$ENABLE_COMPILER_RT_INSTALL" ]; then
echo "$@"
else
$@
fi
}
mkdir -p ${CLANG_INCLUDE_DIR} && \
touch ${CLANG_INCLUDE_DIR} 2>/dev/null && ENABLE_COMPILER_RT_INSTALL=1
echo ""
echo ""
echo ""
if [ -z "$ENABLE_COMPILER_RT_INSTALL" ]; then
echo "Please run the following commands by hand to install compiler-rt:"
else
echo "Installing compiler-rt headers and libraries to the following paths:"
echo " ${CLANG_INCLUDE_DIR}"
echo " ${CLANG_DARWIN_LIB_DIR}"
fi
echo ""
print_or_run mkdir -p ${CLANG_INCLUDE_DIR}
print_or_run mkdir -p ${CLANG_DARWIN_LIB_DIR}
print_or_run cp -rv $BUILD_DIR/compiler-rt/compiler-rt/include/sanitizer ${CLANG_INCLUDE_DIR}
if [ $USE_CMAKE -eq 1 ]; then
### CMAKE ###
print_or_run cp -v $BUILD_DIR/compiler-rt/compiler-rt/build/lib/darwin/*.a ${CLANG_DARWIN_LIB_DIR}
print_or_run cp -v $BUILD_DIR/compiler-rt/compiler-rt/build/lib/darwin/*.dylib ${CLANG_DARWIN_LIB_DIR}
### CMAKE END ###
else
### MAKE ###
pushd "clang_darwin" &>/dev/null
function print_install_command() {
if [ -f "$1" ]; then
print_or_run cp $PWD/compiler-rt/$1 ${CLANG_DARWIN_LIB_DIR}/$2
fi
}
print_install_command "osx/libcompiler_rt.a" "libclang_rt.osx.a"
print_install_command "10.4/libcompiler_rt.a" "libclang_rt.10.4.a"
print_install_command "eprintf/libcompiler_rt.a" "libclang_rt.eprintf.a"
print_install_command "cc_kext/libcompiler_rt.a" "libclang_rt.cc_kext.a"
print_install_command "profile_osx/libcompiler_rt.a" "libclang_rt.profile_osx.a"
print_install_command "ubsan_osx_dynamic/libcompiler_rt.dylib" \
"libclang_rt.ubsan_osx_dynamic.dylib"
print_install_command "asan_osx_dynamic/libcompiler_rt.dylib" \
"libclang_rt.asan_osx_dynamic.dylib"
popd &>/dev/null
### MAKE END ###
fi
echo ""