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{ stdenv, fetch, cmake, libxml2, llvm, version, clang-tools-extra_src, python3, lld
, fixDarwinDylibNames
, enableManpages ? false
, enablePolly ? false # TODO: get this info from llvm (passthru?)
}:
let
self = stdenv.mkDerivation ({
pname = "clang";
inherit version;
src = fetch "clang" "0ls2h3iv4finqyflyhry21qhc9cm9ga7g1zq21020p065qmm2y2p";
unpackPhase = ''
unpackFile $src
mv clang-${version}* clang
sourceRoot=$PWD/clang
unpackFile ${clang-tools-extra_src}
mv clang-tools-extra-* $sourceRoot/tools/extra
'';
nativeBuildInputs = [ cmake python3 ]
++ stdenv.lib.optional enableManpages python3.pkgs.sphinx;
buildInputs = [ libxml2 llvm lld ]
++ stdenv.lib.optional stdenv.isDarwin fixDarwinDylibNames;
cmakeFlags = [
"-DCMAKE_CXX_FLAGS=-std=c++11"
"-DCLANGD_BUILD_XPC=OFF"
] ++ stdenv.lib.optionals enableManpages [
"-DCLANG_INCLUDE_DOCS=ON"
"-DLLVM_ENABLE_SPHINX=ON"
"-DSPHINX_OUTPUT_MAN=ON"
"-DSPHINX_OUTPUT_HTML=OFF"
"-DSPHINX_WARNINGS_AS_ERRORS=OFF"
] ++ stdenv.lib.optionals enablePolly [
"-DWITH_POLLY=ON"
"-DLINK_POLLY_INTO_TOOLS=ON"
];
patches = [
./purity.patch
# https://reviews.llvm.org/D51899
./compiler-rt-baremetal.patch
# make clang -xhip use $PATH to find executables
./HIP-use-PATH-9.patch
];
postPatch = ''
sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' \
-e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' \
lib/Driver/ToolChains/*.cpp
# Patch for standalone doc building
sed -i '1s,^,find_package(Sphinx REQUIRED)\n,' docs/CMakeLists.txt
'' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
sed -i -e 's/lgcc_s/lgcc_eh/' lib/Driver/ToolChains/*.cpp
'' + stdenv.lib.optionalString stdenv.hostPlatform.isDarwin ''
substituteInPlace tools/extra/clangd/CMakeLists.txt \
--replace "NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB" FALSE
'';
outputs = [ "out" "lib" "python" ];
# Clang expects to find LLVMgold in its own prefix
postInstall = ''
if [ -e ${llvm}/lib/LLVMgold.so ]; then
ln -sv ${llvm}/lib/LLVMgold.so $out/lib
fi
ln -sv $out/bin/clang $out/bin/cpp
# Move libclang to 'lib' output
moveToOutput "lib/libclang.*" "$lib"
moveToOutput "lib/libclang-cpp.*" "$lib"
substituteInPlace $out/lib/cmake/clang/ClangTargets-release.cmake \
--replace "\''${_IMPORT_PREFIX}/lib/libclang." "$lib/lib/libclang." \
--replace "\''${_IMPORT_PREFIX}/lib/libclang-cpp." "$lib/lib/libclang-cpp."
mkdir -p $python/bin $python/share/clang/
mv $out/bin/{git-clang-format,scan-view} $python/bin
if [ -e $out/bin/set-xcode-analyzer ]; then
mv $out/bin/set-xcode-analyzer $python/bin
fi
mv $out/share/clang/*.py $python/share/clang
rm $out/bin/c-index-test
'';
enableParallelBuilding = true;
passthru = {
isClang = true;
inherit llvm;
} // stdenv.lib.optionalAttrs (stdenv.targetPlatform.isLinux || (stdenv.cc.isGNU && stdenv.cc.cc ? gcc)) {
gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
};
meta = {
description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
homepage = "http://llvm.org/";
license = stdenv.lib.licenses.ncsa;
platforms = stdenv.lib.platforms.all;
};
} // stdenv.lib.optionalAttrs enableManpages {
pname = "clang-manpages";
buildPhase = ''
make docs-clang-man
'';
installPhase = ''
mkdir -p $out/share/man/man1
# Manually install clang manpage
cp docs/man/*.1 $out/share/man/man1/
'';
outputs = [ "out" ];
doCheck = false;
meta.description = "man page for Clang ${version}";
});
in self
|