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# Maintainer: Evangelos Foutras <evangelos@foutrelis.com>
# Contributor: Jan "heftig" Steffens <jan.steffens@gmail.com>
pkgname=clang16
pkgver=16.0.6
pkgrel=1
pkgdesc="C language family frontend for LLVM 16"
arch=('x86_64')
url="https://clang.llvm.org/"
license=('custom:Apache 2.0 with LLVM Exception')
depends=('llvm16-libs' 'gcc' 'compiler-rt16')
makedepends=('llvm16' 'cmake' 'ninja' 'python')
optdepends=('openmp: OpenMP support in clang with -fopenmp'
'llvm16: referenced by some clang headers')
checkdepends=('llvm')
_source_base=https://github.com/llvm/llvm-project/releases/download/llvmorg-$pkgver
source=($_source_base/clang-$pkgver.src.tar.xz{,.sig}
$_source_base/llvm-$pkgver.src.tar.xz{,.sig}
$_source_base/cmake-$pkgver.src.tar.xz{,.sig}
$_source_base/third-party-$pkgver.src.tar.xz{,.sig}
enable-fstack-protector-strong-by-default.patch)
sha256sums=('1186b6e6eefeadd09912ed73b3729e85b59f043724bb2818a95a2ec024571840'
'SKIP'
'e91db44d1b3bb1c33fcea9a7d1f2423b883eaa9163d3d56ca2aa6d2f0711bc29'
'SKIP'
'39d342a4161095d2f28fb1253e4585978ac50521117da666e2b1f6f28b62f514'
'SKIP'
'15f5b9aeeba938530af977d5f9205612737a091a7f0f6c8075df8723b7713f70'
'SKIP'
'45da5783f4e89e4507a351ed0ffbbe6ec240e21ff7070797a89c5ccf434ac612')
validpgpkeys=('474E22316ABF4785A88C6E8EA2C794A986419D8A') # Tom Stellard <tstellar@redhat.com>
# Utilizing LLVM_DISTRIBUTION_COMPONENTS to avoid
# installing static libraries; inspired by Gentoo
_get_distribution_components() {
local target
ninja -t targets | grep -Po 'install-\K.*(?=-stripped:)' | while read -r target; do
case $target in
clang-libraries|distribution)
continue
;;
# trim static analyzer and other bits
bash-autocomplete|clang-format|clang-rename|hmaptool|scan-*)
continue
;;
clang|clang-*)
;;
clang*|findAllSymbols)
continue
;;
esac
echo $target
done
}
prepare() {
rename -v -- "-$pkgver.src" '' {cmake,third-party}-$pkgver.src
cd clang-$pkgver.src
mkdir build
patch -Np2 -i ../enable-fstack-protector-strong-by-default.patch
}
build() {
cd clang-$pkgver.src/build
# Build only minimal debug info to reduce size
CFLAGS=${CFLAGS/-g /-g1 }
CXXFLAGS=${CXXFLAGS/-g /-g1 }
local cmake_args=(
-G Ninja
-DCMAKE_BUILD_TYPE=Release
-DCMAKE_INSTALL_PREFIX=/usr/lib/llvm16
-DCMAKE_SKIP_RPATH=ON
-DCLANG_DEFAULT_PIE_ON_LINUX=ON
-DCLANG_LINK_CLANG_DYLIB=ON
-DENABLE_LINKER_BUILD_ID=ON
-DLLVM_BUILD_TESTS=ON
-DLLVM_CMAKE_DIR=/usr/lib/llvm16/lib/cmake
-DLLVM_CONFIG=/usr/lib/llvm16/bin/llvm-config
-DLLVM_ENABLE_RTTI=ON
-DLLVM_EXTERNAL_LIT=/usr/bin/lit
-DLLVM_LINK_LLVM_DYLIB=ON
-DLLVM_MAIN_SRC_DIR="$srcdir/llvm-$pkgver.src"
)
cmake .. "${cmake_args[@]}"
local distribution_components=$(_get_distribution_components | paste -sd\;)
test -n "$distribution_components"
cmake_args+=(-DLLVM_DISTRIBUTION_COMPONENTS="$distribution_components")
cmake .. "${cmake_args[@]}"
ninja
}
check() {
cd clang-$pkgver.src/build
LD_LIBRARY_PATH=$PWD/lib ninja check-clang
}
package() {
cd clang-$pkgver.src/build
DESTDIR="$pkgdir" ninja install-distribution
install -Dm644 ../LICENSE.TXT "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
mv "$pkgdir"/usr/lib/{llvm16/lib/,}libclang-cpp.so.16
ln -s ../../libclang-cpp.so.16 "$pkgdir/usr/lib/llvm16/lib/libclang-cpp.so.16"
ln -s llvm16/lib/libclang.so.16 "$pkgdir"/usr/lib/libclang.so.16
}
# vim:set ts=2 sw=2 et:
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