142 lines
5.4 KiB
Bash
Executable file
142 lines
5.4 KiB
Bash
Executable file
#!/store/1-stage1/protobusybox/bin/ash
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#> FETCH b0e42aafc01ece2ca2b42e3526f54bebc4b1f1dc8de6e34f46a0446a13e882b9
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#> FROM https://github.com/llvm/llvm-project/releases/download/llvmorg-17.0.1/llvm-project-17.0.1.src.tar.xz
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set -uex
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export PATH='/store/1-stage1/protobusybox/bin/'
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export PATH="$PATH:/store/2a0-static-gnumake/wrappers"
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export PATH="$PATH:/store/2a1-static-binutils/bin"
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export PATH="$PATH:/store/2a5-gnugcc10/bin"
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export PATH="$PATH:/store/2a7-cmake/bin"
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export PATH="$PATH:/store/2a8-python/bin"
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export SHELL=/store/1-stage1/protobusybox/bin/ash
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GCC_PATH=/store/2a5-gnugcc10
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mkdir -p /tmp/2a9-intermediate-clang; cd /tmp/2a9-intermediate-clang
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# clang's cmake configuration should pick up ccache automatically from PATH
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#if [ -e /ccache/setup ]; then . /ccache/setup; fi
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export PATH="$PATH:/ccache/bin"
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command -v ccache && USE_CCACHE=YES || USE_CCACHE=NO
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echo "### $0: preparing future sysroot..."
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OUT=/store/2a9-intermediate-clang
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SYSROOT=$OUT/sysroot
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mkdir -p $SYSROOT/lib $SYSROOT/include
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ln -s /store/2a3-intermediate-musl/lib/* $SYSROOT/lib/
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ln -s /store/2a3-intermediate-musl/include/* $SYSROOT/include/
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echo "### $0: unpacking LLVM/Clang sources..."
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tar --strip-components=1 -xf /downloads/llvm-project-17.0.1.src.tar.xz
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echo "### $0: fixing up LLVM/Clang sources..."
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sed -i "s|COMMAND sh|COMMAND $SHELL|" \
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llvm/cmake/modules/GetHostTriple.cmake clang/CMakeLists.txt
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echo 'echo x86_64-unknown-linux-musl' > llvm/cmake/config.guess
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LOADER=/store/2a3-intermediate-musl/lib/libc.so
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sed -i "s|/lib/ld-musl-\" + ArchName + \".so.1|$LOADER|" \
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clang/lib/Driver/ToolChains/Linux.cpp
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BEGINEND='const bool HasCRTBeginEndFiles'
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sed -i "s|${BEGINEND} =|${BEGINEND} = false; ${BEGINEND}_unused =|" \
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clang/lib/Driver/ToolChains/Gnu.cpp
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REL_ORIGIN='_install_rpath \"\$ORIGIN/../lib${LLVM_LIBDIR_SUFFIX}\"'
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sed -i "s|_install_rpath \"\\\\\$ORIGIN/..|_install_rpath \"$OUT|" \
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llvm/cmake/modules/AddLLVM.cmake
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sed -i 's|numShards = 32;|numShards = 1;|' lld/*/SyntheticSections.*
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sed -i 's|numShards = 256;|numShards = 1;|' lld/*/ICF.cpp
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sed -i 's|__FILE__|"__FILE__"|' compiler-rt/lib/builtins/int_util.h
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sed -i 's|"@LLVM_SRC_ROOT@"|"REDACTED"|' \
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llvm/tools/llvm-config/BuildVariables.inc.in
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sed -i 's|"@LLVM_OBJ_ROOT@"|"REDACTED"|' \
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llvm/tools/llvm-config/BuildVariables.inc.in
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echo "### $0: building LLVM/Clang (stage 1)..."
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export LD_LIBRARY_PATH='/store/2a5-gnugcc10/lib'
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EXTRA_INCL='/tmp/2a9-intermediate-clang/extra_includes'
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mkdir -p $EXTRA_INCL
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cp clang/lib/Headers/*intrin*.h $EXTRA_INCL/
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cp clang/lib/Headers/mm_malloc.h $EXTRA_INCL/
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[ -e $EXTRA_INCL/immintrin.h ]
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BOTH_STAGES_OPTS=''
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add_opt() {
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BOTH_STAGES_OPTS="$BOTH_STAGES_OPTS -D$1 -DBOOTSTRAP_$1"
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}
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add_opt CMAKE_BUILD_TYPE=MinSizeRel
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add_opt LLVM_OPTIMIZED_TABLEGEN=YES
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add_opt LLVM_CCACHE_BUILD=$USE_CCACHE
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add_opt DEFAULT_SYSROOT=$SYSROOT
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add_opt CMAKE_INSTALL_PREFIX=$OUT
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add_opt LLVM_INSTALL_BINUTILS_SYMLINKS=YES
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add_opt LLVM_INSTALL_CCTOOLS_SYMLINKS=YES
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add_opt CMAKE_INSTALL_DO_STRIP=YES
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add_opt LLVM_ENABLE_PER_TARGET_RUNTIME_DIR=YES
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add_opt LLVM_TARGET_ARCH=X86
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add_opt LLVM_TARGETS_TO_BUILD=Native
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add_opt LLVM_BUILTIN_TARGETS=x86_64-unknown-linux-musl
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add_opt LLVM_DEFAULT_TARGET_TRIPLE=x86_64-unknown-linux-musl
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add_opt LLVM_HOST_TRIPLE=x86_64-unknown-linux-musl
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add_opt COMPILER_RT_DEFAULT_TARGET_TRIPLE=x86_64-unknown-linux-musl
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add_opt LLVM_APPEND_VC_REV=NO
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add_opt LLVM_INCLUDE_TESTS=NO
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add_opt LLVM_INCLUDE_EXAMPLES=NO
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add_opt LLVM_INCLUDE_BENCHMARKS=NO
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add_opt LLVM_ENABLE_BACKTRACES=NO
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add_opt LLVM_ENABLE_EH=YES
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add_opt LLVM_ENABLE_RTTI=YES
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add_opt CLANG_ENABLE_ARCMT=NO
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add_opt CLANG_ENABLE_STATIC_ANALYZER=NO
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add_opt COMPILER_RT_BUILD_SANITIZERS=NO
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add_opt COMPILER_RT_BUILD_XRAY=NO
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add_opt COMPILER_RT_BUILD_LIBFUZZER=NO
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add_opt COMPILER_RT_BUILD_PROFILE=NO
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add_opt COMPILER_RT_BUILD_MEMPROF=NO
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add_opt COMPILER_RT_BUILD_ORC=NO
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add_opt COMPILER_RT_USE_BUILTINS_LIBRARY=YES
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add_opt CLANG_DEFAULT_CXX_STDLIB=libc++
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add_opt CLANG_DEFAULT_LINKER=lld
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add_opt CLANG_DEFAULT_RTLIB=compiler-rt
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add_opt LIBCXX_HAS_MUSL_LIBC=YES
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add_opt LIBCXX_USE_COMPILER_RT=YES
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add_opt LIBCXX_INCLUDE_BENCHMARKS=NO
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add_opt LIBCXX_CXX_ABI=libcxxabi
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add_opt LIBCXX_ADDITIONAL_COMPILE_FLAGS=-I/store/2a6-linux-headers/include
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add_opt LIBCXXABI_USE_COMPILER_RT=YES
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add_opt LIBCXXABI_USE_LLVM_UNWINDER=YES
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add_opt LLVM_INSTALL_TOOLCHAIN_ONLY=YES
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add_opt LIBUNWIND_USE_COMPILER_RT=YES
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add_opt LLVM_ENABLE_THREADS=NO
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cmake -S llvm -B build -G 'Unix Makefiles' \
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-DLLVM_ENABLE_PROJECTS='clang;lld' \
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-DLLVM_ENABLE_RUNTIMES='compiler-rt;libcxx;libcxxabi;libunwind' \
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-DGCC_INSTALL_PREFIX=$GCC_PATH \
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-DCMAKE_C_FLAGS=--sysroot=$SYSROOT \
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"-DBOOTSTRAP_CMAKE_C_FLAGS=-isystem $EXTRA_INCL" \
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"-DBOOTSTRAP_CMAKE_CXX_FLAGS=-isystem $EXTRA_INCL" \
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-DCLANG_ENABLE_BOOTSTRAP=YES $BOTH_STAGES_OPTS
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make -C build -j $NPROC clang lld runtimes
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echo "### $0: building LLVM/Clang (stage 2)..."
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NEW_LIB_DIR="$(pwd)/build/lib/x86_64-unknown-linux-musl"
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export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$NEW_LIB_DIR"
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make -C build -j $NPROC stage2
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echo "### $0: installing LLVM/Clang..."
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make -C build -j $NPROC stage2-install
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ln -s $OUT/lib/x86_64-unknown-linux-musl/* $OUT/lib/
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echo "### $0: setting up generic names..."
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mkdir $OUT/bin/generic-names
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ln -s $OUT/bin/clang $OUT/bin/generic-names/cc
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ln -s $OUT/bin/clang++ $OUT/bin/generic-names/c++
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ln -s $OUT/bin/clang-cpp $OUT/bin/generic-names/cpp
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echo "### $0: mixing new stuff into sysroot..."
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ln -s $OUT/lib/* $OUT/sysroot/lib/
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echo "### $0: NOT checking for build path leaks - see _2a9.test.sh"
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