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{ stdenv, fetch, cmake, libxml2, libedit, llvm, version, clang-tools-extra_src }:
let
gcc = if stdenv.cc.cc.isGNU or false then stdenv.cc.cc else stdenv.cc.cc.gcc;
in stdenv.mkDerivation {
name = "clang-${version}";
unpackPhase = ''
unpackFile ${fetch "cfe" "12yv3jwdjcbkrx7zjm8wh4jrvb59v8fdw4mnmz3zc1jb00p9k07w"}
mv cfe-${version}.src clang
sourceRoot=$PWD/clang
unpackFile ${clang-tools-extra_src}
mv clang-tools-extra-* $sourceRoot/tools/extra
'';
buildInputs = [ cmake libedit libxml2 llvm ];
cmakeFlags = [
"-DCMAKE_BUILD_TYPE=Release"
"-DCMAKE_CXX_FLAGS=-std=c++11"
] ++
# Maybe with compiler-rt this won't be needed?
(stdenv.lib.optional stdenv.isLinux "-DGCC_INSTALL_PREFIX=${gcc}") ++
(stdenv.lib.optional (stdenv.cc.libc != null) "-DC_INCLUDE_DIRS=${stdenv.cc.libc}/include");
patches = [ ./clang-purity.patch ];
postPatch = ''
sed -i -e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/Tools.cpp
sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/ToolChains.cpp
'';
# Clang expects to find LLVMgold in its own prefix
# Clang expects to find sanitizer libraries in its own prefix
postInstall = ''
ln -sv ${llvm}/lib/LLVMgold.so $out/lib
ln -sv ${llvm}/lib/clang/${version}/lib $out/lib/clang/${version}/
ln -sv $out/bin/clang $out/bin/cpp
'';
enableParallelBuilding = true;
passthru = {
isClang = true;
} // stdenv.lib.optionalAttrs stdenv.isLinux {
inherit gcc;
};
meta = {
description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
homepage = http://llvm.org/;
license = stdenv.lib.licenses.bsd3;
maintainers = [ stdenv.lib.maintainers.shlevy ];
platforms = stdenv.lib.platforms.all;
};
}
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