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name=llvm
version=22.1.8
release=1
source="https://github.com/llvm/llvm-project/releases/download/llvmorg-${version}/llvm-project-${version}.src.tar.xz
c89 c99
0012-libc-libc-abi-libunwind-disable-multiarch-locations.patch
0014-clang-disable-multiarch-layout-on-musl.patch
0017-clang-use-as-needed-by-default.patch
0024-clang-link-libcxxabi-on-linux-when-using-libc.patch
compiler-rt-sanitizer-supported-arch.patch
fix-msan-with-musl.patch
musl-stack-size.patch
musl-targets.patch"
keep_static=1
no_strip=1
build_type="cmake_build"
build_dir="llvm-project-${version}.src/llvm"
patch_opt="-Np1 -d .."
export CFLAGS="$CFLAGS -fPIC"
export CXXFLAGS="$CXXFLAGS -fPIC"
# llvm
build_opt="
-DLLVM_BUILD_LLVM_DYLIB=ON
-DLLVM_LINK_LLVM_DYLIB=ON
-DLLVM_TARGETS_TO_BUILD='host;AMDGPU'
-DLLVM_HOST_TRIPLE=x86_64-pc-linux-musl
-DLLVM_INCLUDE_BENCHMARKS=OFF
-DLLVM_INCLUDE_EXAMPLES=OFF
-DLLVM_INCLUDE_DOCS=OFF
-DLLVM_INCLUDE_TESTS=OFF
-DLLVM_ENABLE_RUNTIMES='compiler-rt;libunwind;libcxx;libcxxabi'
-DLLVM_ENABLE_PROJECTS='clang;clang-tools-extra;lld'
-DLLVM_ENABLE_RTTI=ON
-DLLVM_ENABLE_EH=ON
-DLLVM_ENABLE_LIBXML2=OFF
-DLLVM_ENABLE_LIBCXX=ON
-DLLVM_ENABLE_RTTI=ON
-DLLVM_ENABLE_LLD=ON
-DLLVM_INSTALL_BINUTILS_SYMLINKS=ON
-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON"
# clang
build_opt="$build_opt
-DCLANG_BUILD_EXAMPLES=OFF
-DCLANG_INCLUDE_DOCS=OFF
-DCLANG_INCLUDE_TESTS=OFF
-DLIBCLANG_BUILD_STATIC=ON
-DCLANG_DEFAULT_RTLIB=compiler-rt
-DCLANG_DEFAULT_UNWINDLIB=libunwind
-DCLANG_DEFAULT_CXX_STDLIB=libc++
-DCLANG_CONFIG_FILE_SYSTEM_DIR=/etc/clang
-DCLANG_LINK_CLANG_DYLIB=Yes"
# libcxx
build_opt="$build_opt
-DLIBCXX_HAS_MUSL_LIBC=ON
-DLIBCXX_CXX_ABI=libcxxabi
-DLIBCXX_USE_COMPILER_RT=ON
-DLIBCXX_HAS_ATOMIC_LIB=No
-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=OFF"
# libcxxabi
build_opt="$build_opt
-DLIBCXXABI_USE_LLVM_UNWINDER=ON
-DLIBCXXABI_USE_COMPILER_RT=ON
-DLIBCXXABI_ENABLE_STATIC_UNWINDER=OFF"
# libunwind
build_opt="$build_opt
-DLIBUNWIND_HAS_NODEFAULTLIBS_FLAG=OFF
-DLIBUNWIND_USE_COMPILER_RT=ON
-DLIBUNWIND_ENABLE_ASSERTIONS=OFF"
# compiler-rt
build_opt="$build_opt
-DCOMPILER_RT_USE_BUILTINS_LIBRARY=ON
-DCOMPILER_RT_INCLUDE_TESTS=OFF
-DCOMPILER_RT_BUILD_SANITIZERS=ON
-DCOMPILER_RT_BUILD_GWP_ASAN=OFF"
# etc
build_opt="$build_opt
-DMLIR_INSTALL_AGGREGATE_OBJECTS=OFF
$([ -e /usr/bin/ccache ] && echo '-DLLVM_CCACHE_BUILD=ON')
"
postbuild() {
ln -s lld $PKG/usr/bin/ld
ln -s clang $PKG/usr/bin/cc
ln -s clang $PKG/usr/bin/gcc
ln -s clang $PKG/usr/bin/cpp
ln -s clang++ $PKG/usr/bin/c++
ln -s clang++ $PKG/usr/bin/g++
install -m755 $SRC/c89 $PKG/usr/bin/c89
install -m755 $SRC/c99 $PKG/usr/bin/c99
}
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