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{ stdenv, fetch, cmake, libxml2, libedit, llvm, version, clang-tools-extra_src }:
stdenv.mkDerivation {
name = "clang-${version}";
unpackPhase = ''
unpackFile ${fetch "cfe" "045wjnp5j8xd2zjhvldcllnwlnrwz3dafmlk412z804d5xvzb9jv"}
mv cfe-${version}.src clang
sourceRoot=$PWD/clang
unpackFile ${clang-tools-extra_src}
mv clang-tools-extra-* $sourceRoot/tools/extra
# !!! Hopefully won't be needed for 3.5
unpackFile ${llvm.src}
export cmakeFlags="$cmakeFlags -DCLANG_PATH_TO_LLVM_SOURCE="`ls -d $PWD/llvm-*`
(cd llvm-* && patch -Np1 -i ${./llvm-separate-build.patch})
'';
patches = [ ./clang-separate-build.patch ./clang-purity.patch ];
buildInputs = [ cmake libedit libxml2 ];
cmakeFlags = [
"-DCMAKE_BUILD_TYPE=Release"
"-DCMAKE_CXX_FLAGS=-std=c++11"
"-DCLANG_PATH_TO_LLVM_BUILD=${llvm}"
] ++
(stdenv.lib.optional (stdenv.cc.libc != null) "-DC_INCLUDE_DIRS=${stdenv.cc.libc}/include") ++
(stdenv.lib.optional (stdenv.cc.cc != null) "-DGCC_INSTALL_PREFIX=${stdenv.cc.cc}");
# 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}/
'';
passthru = {
isClang = true;
cc = stdenv.cc.cc;
# GCC_INSTALL_PREFIX points here, so just use it even though it may not
# actually be a gcc
gcc = stdenv.cc.cc;
};
enableParallelBuilding = true;
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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