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nixpkgs/pkgs/development/compilers/llvm/4/clang/default.nix
Will Dietz 6f6c06adc1 llvm4.0: Rename "4.0" (and _40) to "4" (and _4).
This reflects upstream versioning change, and allows
us to replace 4.0 with 4.1 (which is now a minor revision)
without changing the attribute name.

Thanks to @vcunat for the idea.
2017-03-02 17:19:44 -06:00

57 lines
1.9 KiB
Nix

{ stdenv, fetch, cmake, libxml2, libedit, llvm, version, release_version, clang-tools-extra_src, python }:
let
gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
self = stdenv.mkDerivation {
name = "clang-${version}";
unpackPhase = ''
unpackFile ${fetch "cfe" "1lsdyrz82vyrsc7k0ah1zmzzan61s5kakxrkxgfbmklp3pclfkwp"}
mv cfe-${version}* clang
sourceRoot=$PWD/clang
unpackFile ${clang-tools-extra_src}
mv clang-tools-extra-* $sourceRoot/tools/extra
'';
buildInputs = [ cmake libedit libxml2 llvm python ];
cmakeFlags = [
"-DCMAKE_CXX_FLAGS=-std=c++11"
] ++
# Maybe with compiler-rt this won't be needed?
(stdenv.lib.optional stdenv.isLinux "-DGCC_INSTALL_PREFIX=${gcc}") ++
(stdenv.lib.optional (stdenv.cc.libc != null) "-DC_INCLUDE_DIRS=${stdenv.cc.libc}/include");
patches = [ ./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 ${llvm}/lib/clang/${release_version}/lib $out/lib/clang/${release_version}/
ln -sv $out/bin/clang $out/bin/cpp
'';
enableParallelBuilding = true;
passthru = {
lib = self; # compatibility with gcc, so that `stdenv.cc.cc.lib` works on both
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;
};
};
in self