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Build llvm with libcxx libcxxabi llvm-libgcc compiler-rt libunwind clang lld lldb clang-tools-extra on linux. The toolchain can build itself (which apparently is not possible with certain build configurations)
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| #!/bin/bash | |
| set -e | |
| LLVM_SRC_PATH=./llvm-project | |
| CLEAN= | |
| CXX_FLAGS+="-march=native " | |
| CXX_FLAGS+="-mtune=native " | |
| C_FLAGS=$CXX_FLAGS | |
| EXTRA_ARGS="" | |
| BUILD_TAG="git" | |
| BUILD="build-${BUILD_TAG}" | |
| BUILDDIR_TOOLCHAIN="${BUILD}" | |
| INSTALL_PREFIX="llvm-install-${BUILD_TAG}" | |
| # Provide absolute path to previous llvm build if you have | |
| BOOT_TC= | |
| if [ ! -z "$BOOT_TC" ]; then | |
| export CC="${BOOT_TC}/bin/clang" | |
| export CXX="${BOOT_TC}/bin/clang++" | |
| # use lld if found | |
| [ -e "${BOOT_TC}/bin/ld.lld" ] && { | |
| EXTRA_ARGS+="-DLLVM_USE_LINKER=lld " | |
| EXTRA_ARGS+="-DLLVM_ENABLE_LTO=thin " | |
| } | |
| export PATH=$BOOT_TC/bin:$PATH | |
| export LD_LIBRARY_PATH=$BOOT_TC/lib/x86_64-unknown-linux-gnu | |
| else | |
| export CC="clang" | |
| export CXX="clang++" | |
| # use lld if found | |
| /usr/bin/which "ld.lld" &> /dev/null && { | |
| EXTRA_ARGS+="-DLLVM_USE_LINKER=lld " | |
| EXTRA_ARGS+="-DLLVM_ENABLE_LTO=thin " | |
| } | |
| fi | |
| checkVersion() { | |
| found=$(which $1) && version=$($found --version | head -n 1) && { | |
| echo "$found: $version" | |
| } || { | |
| >&2 echo "$1 not found" && exit 1 | |
| } | |
| } | |
| checkVersion $CC | |
| checkVersion $CXX | |
| checkVersion cmake | |
| checkVersion python3 | |
| checkVersion ninja | |
| /usr/bin/which "llvm-config" && { | |
| echo "llvm-config found in path, cannot build" && exit 1 | |
| } | |
| printf "#include <cstddef>\nint main(){return sizeof(size_t);}" \ | |
| | $CXX -x c++ -stdlib=libc++ -v - || { | |
| >&2 echo "Need libc++ for this to work" | |
| exit 1 | |
| } | |
| CLANG_MAJOR=$(sed -n 's/\s*set(LLVM_VERSION_MAJOR \([0-9]\+\))/\1/p' $LLVM_SRC_PATH/llvm/CMakeLists.txt) | |
| CLANG_MINOR=$(sed -n 's/\s*set(LLVM_VERSION_MINOR \([0-9]\+\))/\1/p' $LLVM_SRC_PATH/llvm/CMakeLists.txt) | |
| CLANG_PATCH=$(sed -n 's/\s*set(LLVM_VERSION_PATCH \([0-9]\+\))/\1/p' $LLVM_SRC_PATH/llvm/CMakeLists.txt) | |
| CLANG_VERSION="$CLANG_MAJOR.$CLANG_MINOR.$CLANG_PATCH" | |
| echo "Building CLANG_VERSION $CLANG_VERSION" | |
| echo "Building CC $CC" | |
| echo "Building CXX $CXX" | |
| sleep 1 | |
| [ -z "$CLEAN" ] || { | |
| rm -rf $BUILDDIR_TOOLCHAIN | |
| rm -rf $INSTALL_PREFIX | |
| } | |
| mkdir -p $BUILDDIR_TOOLCHAIN | |
| # # Copy over the bootstrap compiler runtimes since rpath lookup for them doesn't work yet | |
| if [ ! -z "$BOOT_TC" ] && [ ! -d "$BUILDDIR_TOOLCHAIN/toolchain/lib" ]; then | |
| mkdir -p "$BUILDDIR_TOOLCHAIN/toolchain/lib" | |
| mkdir -p "$INSTALL_PREFIX/lib" | |
| BOOT_TC_LIB="$BOOT_TC/lib/x86_64-unknown-linux-gnu" | |
| if [ -f "$BOOT_TC_LIB/libunwind.so.1.0" ]; then | |
| cp "$BOOT_TC_LIB/libunwind.so.1.0" "$BUILDDIR_TOOLCHAIN/toolchain/lib/libunwind.so.1" | |
| cp "$BOOT_TC_LIB/libunwind.so.1.0" "$INSTALL_PREFIX/lib/libunwind.so.1" | |
| fi | |
| cp "$BOOT_TC_LIB/libc++.so.2" "$BUILDDIR_TOOLCHAIN/toolchain/lib/libc++.so.2" | |
| cp "$BOOT_TC_LIB/libc++.so.2" "$INSTALL_PREFIX/lib/libc++.so.2" | |
| fi | |
| set -x | |
| RUN_CMAKE_CONFIG_STEP=true | |
| BUILD_RUNTIMES=true | |
| BUILD_LLVM=true | |
| # rerunning cmake configure on existing build doesn't work too well | |
| $RUN_CMAKE_CONFIG_STEP && $BUILD_RUNTIMES && rm -Rf "${BUILDDIR_TOOLCHAIN}/runtimes" | |
| # I would prefer adding this to the build configuration, but then I can no longer compile llvm itself | |
| # -DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=ON \ | |
| # -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF \ | |
| # -DLIBCXXABI_ENABLE_STATIC_UNWINDER=ON \ | |
| # -DLIBCXXABI_STATICALLY_LINK_UNWINDER_IN_SHARED_LIBRARY=ON \ | |
| # -DLIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY=ON \ | |
| $RUN_CMAKE_CONFIG_STEP && $BUILD_RUNTIMES && cmake -Wno-dev --warn-uninitialized \ | |
| -S$LLVM_SRC_PATH/runtimes \ | |
| -B${BUILDDIR_TOOLCHAIN}/runtimes \ | |
| -GNinja \ | |
| -DCMAKE_BUILD_TYPE=Release \ | |
| -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \ | |
| -DCMAKE_INSTALL_PREFIX="${INSTALL_PREFIX}" \ | |
| -DLLVM_TARGETS_TO_BUILD=X86 \ | |
| -DCMAKE_CROSSCOMPILING=OFF \ | |
| -DCMAKE_SYSTEM_NAME="Linux" \ | |
| -DLLVM_DEFAULT_TARGET_TRIPLE="x86_64-unknown-linux-gnu" \ | |
| -DLLVM_HOST_TRIPLE="x86_64-unknown-linux-gnu" \ | |
| -DCMAKE_C_COMPILER_TARGET="x86_64-unknown-linux-gnu" \ | |
| -DCMAKE_CXX_COMPILER_TARGET="x86_64-unknown-linux-gnu" \ | |
| -DCLANG_RESOURCE_DIR="../" \ | |
| -DLLVM_LINK_LLVM_DYLIB=ON \ | |
| -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON \ | |
| -DLLVM_BUILD_TOOLS=ON \ | |
| -DLLVM_ENABLE_RUNTIMES="llvm-libgcc;libcxxabi;libcxx" \ | |
| -DLLVM_DEFAULT_TARGET_TRIPLE=x86_64-unknown-linux-gnu \ | |
| -DLLVM_LIBGCC_EXPLICIT_OPT_IN=Yes \ | |
| -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \ | |
| -DCOMPILER_RT_USE_BUILTINS_LIBRARY=ON \ | |
| -DCOMPILER_RT_BUILTINS_HIDE_SYMBOLS=OFF \ | |
| -DCOMPILER_RT_BUILD_XRAY=OFF \ | |
| -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \ | |
| -DCOMPILER_RT_BUILD_PROFILE=OFF \ | |
| -DCOMPILER_RT_BUILD_MEMPROF=OFF \ | |
| -DCOMPILER_RT_BUILD_ORC=OFF \ | |
| -DCOMPILER_RT_BUILD_GWP_ASAN=OFF \ | |
| -DLLVM_ENABLE_LIBCXX=ON \ | |
| -DLIBUNWIND_INCLUDE_TESTS=OFF \ | |
| -DLIBUNWIND_INSTALL_HEADERS=OFF \ | |
| -DLIBUNWIND_USE_COMPILER_RT=ON \ | |
| -DLIBUNWIND_ENABLE_SHARED=ON \ | |
| -DLIBUNWIND_ENABLE_STATIC=ON \ | |
| -DLIBCXX_ABI_UNSTABLE=ON \ | |
| -DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF \ | |
| -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=ON \ | |
| -DLIBCXX_ENABLE_SHARED=ON \ | |
| -DLIBCXX_ENABLE_STATIC=ON \ | |
| -DLIBCXX_USE_COMPILER_RT=ON \ | |
| -DLIBCXX_CXX_ABI=libcxxabi \ | |
| -DLIBCXX_INCLUDE_TESTS=OFF \ | |
| -DLIBCXX_INCLUDE_BENCHMARKS=OFF \ | |
| -DLIBCXXABI_INCLUDE_TESTS=OFF \ | |
| -DLIBCXXABI_ENABLE_SHARED=ON \ | |
| -DLIBCXXABI_USE_COMPILER_RT=ON \ | |
| -DSANITIZER_CXX_ABI=libcxxabi \ | |
| -DLLVM_ENABLE_ASSERTIONS=OFF \ | |
| -DLLVM_INCLUDE_BENCHMARKS=OFF \ | |
| -DLLVM_INCLUDE_DOCS=OFF \ | |
| -DLLVM_INCLUDE_TESTS=OFF \ | |
| -DLLVM_BUILD_TESTS=OFF \ | |
| -DLLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO=ON \ | |
| -DLLVM_VERSION_SUFFIX=${BUILD_TAG} \ | |
| $EXTRA_ARGS | |
| $BUILD_RUNTIMES && cmake --build "${BUILDDIR_TOOLCHAIN}/runtimes" --target install | |
| $RUN_CMAKE_CONFIG_STEP && $BUILD_LLVM && cmake -Wno-dev --warn-uninitialized \ | |
| -S$LLVM_SRC_PATH/llvm \ | |
| -B${BUILDDIR_TOOLCHAIN}/toolchain \ | |
| -GNinja \ | |
| -DCMAKE_BUILD_TYPE=Release \ | |
| -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \ | |
| -DCMAKE_INSTALL_PREFIX=${INSTALL_PREFIX} \ | |
| -DCMAKE_PREFIX_PATH=${INSTALL_PREFIX} \ | |
| -DLLVM_LINK_LLVM_DYLIB=ON \ | |
| -DLLVM_TARGETS_TO_BUILD="Native" \ | |
| -DCMAKE_CROSSCOMPILING=OFF \ | |
| -DCMAKE_SYSTEM_NAME="Linux" \ | |
| -DLLVM_DEFAULT_TARGET_TRIPLE="x86_64-unknown-linux-gnu" \ | |
| -DLLVM_HOST_TRIPLE="x86_64-unknown-linux-gnu" \ | |
| -DCMAKE_C_COMPILER_TARGET="x86_64-unknown-linux-gnu" \ | |
| -DCMAKE_CXX_COMPILER_TARGET="x86_64-unknown-linux-gnu" \ | |
| -DCLANG_RESOURCE_DIR="../" \ | |
| -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON \ | |
| -DLLVM_ENABLE_PROJECTS="clang;lld;lldb;clang-tools-extra" \ | |
| -DLLVM_INSTALL_TOOLCHAIN_ONLY=ON \ | |
| -DLLVM_ENABLE_ASSERTIONS=OFF \ | |
| -DLLVM_ENABLE_LIBCXX=ON \ | |
| -DCLANG_DEFAULT_RTLIB=compiler-rt \ | |
| -DCLANG_DEFAULT_UNWINDLIB=libunwind \ | |
| -DCLANG_DEFAULT_CXX_STDLIB=libc++ \ | |
| -DCLANG_DEFAULT_LINKER=lld \ | |
| -DLLVM_INCLUDE_BENCHMARKS=OFF \ | |
| -DLLVM_INCLUDE_DOCS=OFF \ | |
| -DLLVM_INCLUDE_EXAMPLES=OFF \ | |
| -DLLVM_INCLUDE_GO_TESTS=OFF \ | |
| -DLLVM_INCLUDE_TESTS=OFF \ | |
| -DLLVM_INCLUDE_RUNTIMES=OFF \ | |
| -DLLVM_ENABLE_OCAMLDOC=OFF \ | |
| -DLLVM_BUILD_TESTS=OFF \ | |
| -DCLANG_INCLUDE_TESTS=OFF \ | |
| -DLLVM_STATIC_LINK_CXX_STDLIB=OFF \ | |
| -DLLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO=ON \ | |
| -DLLVM_VERSION_SUFFIX=${BUILD_TAG} \ | |
| -DCMAKE_CXX_FLAGS="$CXX_FLAGS" \ | |
| -DCMAKE_C_FLAGS="$C_FLAGS" \ | |
| $EXTRA_ARGS | |
| $BUILD_LLVM && cmake --build "${BUILDDIR_TOOLCHAIN}/toolchain" --parallel 6 --target llvm-tblgen | |
| $BUILD_LLVM && cmake --build "${BUILDDIR_TOOLCHAIN}/toolchain" --parallel 6 --target install/strip | |
| cd $INSTALL_PREFIX | |
| # There is no way to configure the install directory for these headers | |
| # so we move them manully | |
| if [ $BUILD_LLVM ] && [ -d "lib/clang/$CLANG_VERSION/include" ]; then | |
| rsync -va lib/clang/$CLANG_VERSION/include/ include/ | |
| rm -Rf lib/clang | |
| fi | |
| # Now use the newly built libs for the compiler itself. | |
| # They are ABI compatible if this is a stage 2 build | |
| cd lib | |
| rm -f libunwind.so.1 | |
| rm -f libc++* | |
| if [ -e "x86_64-unknown-linux-gnu/libunwind.so.1" ]; then | |
| ln -s x86_64-unknown-linux-gnu/libunwind.so.1 . | |
| fi | |
| if [ -e "x86_64-unknown-linux-gnu/libc++.so.1" ]; then | |
| ln -s x86_64-unknown-linux-gnu/libc++.so.1 . | |
| fi | |
| if [ -e "x86_64-unknown-linux-gnu/libc++.so.2" ]; then | |
| ln -s x86_64-unknown-linux-gnu/libc++.so.2 . | |
| fi | |
| if [ -e "x86_64-unknown-linux-gnu/libc++abi.so.1" ]; then | |
| ln -s x86_64-unknown-linux-gnu/libc++abi.so.1 . | |
| fi | |
| cd .. | |
| cd .. |
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| #!/bin/bash | |
| # Build toolchain without libunwind and llvm-libgcc | |
| set -e | |
| LLVM_SRC_PATH=./llvm-project | |
| CLEAN= | |
| CXX_FLAGS+="-march=native " | |
| CXX_FLAGS+="-mtune=native " | |
| C_FLAGS=$CXX_FLAGS | |
| EXTRA_ARGS="" | |
| BUILD_TAG="nounwinder4" | |
| BUILD="build-${BUILD_TAG}" | |
| BUILDDIR_TOOLCHAIN="${BUILD}" | |
| INSTALL_PREFIX="llvm-install-${BUILD_TAG}" | |
| BOOT_TC=/data/dev/llvm-install-nounwinder3 | |
| if [ ! -z "$BOOT_TC" ]; then | |
| export CC="${BOOT_TC}/bin/clang" | |
| export CXX="${BOOT_TC}/bin/clang++" | |
| # use lld if found | |
| [ -e "${BOOT_TC}/bin/ld.lld" ] && { | |
| EXTRA_ARGS+="-DLLVM_USE_LINKER=lld " | |
| EXTRA_ARGS+="-DLLVM_ENABLE_LTO=thin " | |
| } | |
| export PATH=$BOOT_TC/bin:$PATH | |
| export LD_LIBRARY_PATH=$BOOT_TC/lib/x86_64-unknown-linux-gnu | |
| else | |
| export CC="clang" | |
| export CXX="clang++" | |
| # use lld if found | |
| /usr/bin/which "ld.lld" &> /dev/null && { | |
| EXTRA_ARGS+="-DLLVM_USE_LINKER=lld " | |
| EXTRA_ARGS+="-DLLVM_ENABLE_LTO=thin " | |
| } | |
| fi | |
| checkVersion() { | |
| found=$(which $1) && version=$($found --version | head -n 1) && { | |
| echo "$found: $version" | |
| } || { | |
| >&2 echo "$1 not found" && exit 1 | |
| } | |
| } | |
| checkVersion $CC | |
| checkVersion $CXX | |
| checkVersion cmake | |
| checkVersion python3 | |
| checkVersion ninja | |
| /usr/bin/which "llvm-config" && { | |
| echo "llvm-config found in path, cannot build" && exit 1 | |
| } | |
| printf "#include <cstddef>\nint main(){return sizeof(size_t);}" \ | |
| | $CXX -x c++ -stdlib=libc++ -v - || { | |
| >&2 echo "Need libc++ for this to work" | |
| exit 1 | |
| } | |
| CLANG_MAJOR=$(sed -n 's/\s*set(LLVM_VERSION_MAJOR \([0-9]\+\))/\1/p' $LLVM_SRC_PATH/llvm/CMakeLists.txt) | |
| CLANG_MINOR=$(sed -n 's/\s*set(LLVM_VERSION_MINOR \([0-9]\+\))/\1/p' $LLVM_SRC_PATH/llvm/CMakeLists.txt) | |
| CLANG_PATCH=$(sed -n 's/\s*set(LLVM_VERSION_PATCH \([0-9]\+\))/\1/p' $LLVM_SRC_PATH/llvm/CMakeLists.txt) | |
| CLANG_VERSION="$CLANG_MAJOR.$CLANG_MINOR.$CLANG_PATCH" | |
| echo "Building CLANG_VERSION $CLANG_VERSION" | |
| echo "Building CC $CC" | |
| echo "Building CXX $CXX" | |
| sleep 1 | |
| [ -z "$CLEAN" ] || { | |
| rm -rf $BUILDDIR_TOOLCHAIN | |
| rm -rf $INSTALL_PREFIX | |
| } | |
| mkdir -p $BUILDDIR_TOOLCHAIN | |
| set -x | |
| RUN_CMAKE_CONFIG_STEP=true | |
| BUILD_RUNTIMES=true | |
| BUILD_LLVM=true | |
| # rerunning cmake configure on existing build doesn't work too well | |
| $RUN_CMAKE_CONFIG_STEP && $BUILD_RUNTIMES && rm -Rf "${BUILDDIR_TOOLCHAIN}/runtimes" | |
| $RUN_CMAKE_CONFIG_STEP && $BUILD_RUNTIMES && cmake -Wno-dev --warn-uninitialized \ | |
| -S$LLVM_SRC_PATH/runtimes \ | |
| -B${BUILDDIR_TOOLCHAIN}/runtimes \ | |
| -GNinja \ | |
| -DCMAKE_BUILD_TYPE=Release \ | |
| -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \ | |
| -DCMAKE_INSTALL_PREFIX="${INSTALL_PREFIX}" \ | |
| -DLLVM_DEFAULT_TARGET_TRIPLE="x86_64-unknown-linux-gnu" \ | |
| -DLLVM_HOST_TRIPLE="x86_64-unknown-linux-gnu" \ | |
| -DCMAKE_C_COMPILER_TARGET="x86_64-unknown-linux-gnu" \ | |
| -DCMAKE_CXX_COMPILER_TARGET="x86_64-unknown-linux-gnu" \ | |
| -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON \ | |
| -DLLVM_ENABLE_RUNTIMES="compiler-rt;libcxxabi;libcxx" \ | |
| -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \ | |
| -DCOMPILER_RT_USE_BUILTINS_LIBRARY=ON \ | |
| -DLLVM_ENABLE_LIBCXX=ON \ | |
| -DLIBCXX_ABI_UNSTABLE=ON \ | |
| -DLIBCXX_ENABLE_SHARED=ON \ | |
| -DLIBCXX_ENABLE_STATIC=ON \ | |
| -DLIBCXX_USE_COMPILER_RT=ON \ | |
| -DLIBCXX_CXX_ABI=libcxxabi \ | |
| -DLIBCXX_INCLUDE_TESTS=OFF \ | |
| -DLIBCXX_INCLUDE_BENCHMARKS=OFF \ | |
| -DLIBCXXABI_INCLUDE_TESTS=OFF \ | |
| -DLIBCXXABI_USE_COMPILER_RT=ON \ | |
| -DSANITIZER_CXX_ABI=libcxxabi \ | |
| -DLLVM_ENABLE_ASSERTIONS=OFF \ | |
| -DLLVM_INCLUDE_DOCS=OFF \ | |
| -DLLVM_INCLUDE_TESTS=OFF \ | |
| $EXTRA_ARGS | |
| $BUILD_RUNTIMES && cmake --build "${BUILDDIR_TOOLCHAIN}/runtimes" --target install | |
| $RUN_CMAKE_CONFIG_STEP && $BUILD_LLVM && cmake -Wno-dev --warn-uninitialized \ | |
| -S$LLVM_SRC_PATH/llvm \ | |
| -B${BUILDDIR_TOOLCHAIN}/toolchain \ | |
| -GNinja \ | |
| -DCMAKE_BUILD_TYPE=Release \ | |
| -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \ | |
| -DCMAKE_INSTALL_PREFIX=${INSTALL_PREFIX} \ | |
| -DCMAKE_PREFIX_PATH=${INSTALL_PREFIX} \ | |
| -DLLVM_LINK_LLVM_DYLIB=ON \ | |
| -DLLVM_TARGETS_TO_BUILD="Native" \ | |
| -DCMAKE_CROSSCOMPILING=OFF \ | |
| -DCMAKE_SYSTEM_NAME="Linux" \ | |
| -DLLVM_DEFAULT_TARGET_TRIPLE="x86_64-unknown-linux-gnu" \ | |
| -DLLVM_HOST_TRIPLE="x86_64-unknown-linux-gnu" \ | |
| -DCMAKE_C_COMPILER_TARGET="x86_64-unknown-linux-gnu" \ | |
| -DCMAKE_CXX_COMPILER_TARGET="x86_64-unknown-linux-gnu" \ | |
| -DCLANG_RESOURCE_DIR="../" \ | |
| -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON \ | |
| -DLLVM_ENABLE_PROJECTS="clang;lld;lldb;clang-tools-extra" \ | |
| -DLLVM_INSTALL_TOOLCHAIN_ONLY=OFF \ | |
| -DLLVM_ENABLE_ASSERTIONS=OFF \ | |
| -DLLVM_ENABLE_LIBCXX=ON \ | |
| -DCLANG_DEFAULT_RTLIB=compiler-rt \ | |
| -DCLANG_DEFAULT_UNWINDLIB=libgcc \ | |
| -DCLANG_DEFAULT_CXX_STDLIB=libc++ \ | |
| -DCLANG_DEFAULT_LINKER=lld \ | |
| -DLLVM_INCLUDE_BENCHMARKS=OFF \ | |
| -DLLVM_INCLUDE_DOCS=OFF \ | |
| -DLLVM_INCLUDE_EXAMPLES=OFF \ | |
| -DLLVM_INCLUDE_GO_TESTS=OFF \ | |
| -DLLVM_INCLUDE_TESTS=OFF \ | |
| -DLLVM_INCLUDE_RUNTIMES=OFF \ | |
| -DLLVM_ENABLE_OCAMLDOC=OFF \ | |
| -DLLVM_BUILD_TESTS=OFF \ | |
| -DCLANG_INCLUDE_TESTS=OFF \ | |
| -DLLVM_STATIC_LINK_CXX_STDLIB=OFF \ | |
| -DLLVM_USE_RELATIVE_PATHS_IN_DEBUG_INFO=ON \ | |
| -DLLVM_VERSION_SUFFIX=${BUILD_TAG} \ | |
| -DCMAKE_CXX_FLAGS="$CXX_FLAGS" \ | |
| -DCMAKE_C_FLAGS="$C_FLAGS" \ | |
| $EXTRA_ARGS | |
| $BUILD_LLVM && cmake --build "${BUILDDIR_TOOLCHAIN}/toolchain" --parallel 6 --target llvm-tblgen | |
| $BUILD_LLVM && cmake --build "${BUILDDIR_TOOLCHAIN}/toolchain" --parallel 9 --target install/strip | |
| cd $INSTALL_PREFIX | |
| # There is no way to configure the install directory for these headers | |
| # so we move them manully | |
| if [ $BUILD_LLVM ] && [ -d "lib/clang/$CLANG_VERSION/include" ]; then | |
| rsync -va lib/clang/$CLANG_VERSION/include/ include/ | |
| rm -Rf lib/clang | |
| fi | |
| # Now use the newly built libs for the compiler itself. | |
| # They are ABI compatible if this is a stage 2 build | |
| cd lib | |
| # rm libc++* | |
| # rm libunwind* | |
| rsync -va $BOOT_TC/lib/x86_64-unknown-linux-gnu/libc++.so.2 . | |
| rsync -va $BOOT_TC/lib/x86_64-unknown-linux-gnu/libc++abi.so.1 | |
| cd .. | |
| cd .. |
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