nixpkgs/pkgs/development/compilers/llvm/3.5/clang.nix
2019-08-17 10:54:38 +00:00

60 lines
1.7 KiB
Nix

{ stdenv, fetch, cmake, libxml2, llvm, version, clang-tools-extra_src }:
let
gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
in stdenv.mkDerivation {
pname = "clang";
inherit version;
src = fetch "cfe" "0846h8vn3zlc00jkmvrmy88gc6ql6014c02l4jv78fpvfigmgssg";
unpackPhase = ''
unpackFile $src
mv cfe-${version}.src clang
sourceRoot=$PWD/clang
unpackFile ${clang-tools-extra_src}
mv clang-tools-extra-* $sourceRoot/tools/extra
'';
buildInputs = [ cmake libxml2 llvm ];
cmakeFlags = [
"-DCMAKE_CXX_FLAGS=-std=c++11"
] ++
# Maybe with compiler-rt this won't be needed?
(stdenv.lib.optional stdenv.isLinux "-DGCC_INSTALL_PREFIX=${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 = ''
if [ -e ${llvm}/lib/LLVMgold.so ]; then
ln -sv ${llvm}/lib/LLVMgold.so $out/lib
fi
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.ncsa;
platforms = stdenv.lib.platforms.all;
};
}