clang should never need libedit. From what I understand this is only needed by LLDB. https://github.com/llvm-mirror/clang/search?q=libedit
		
			
				
	
	
		
			57 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
{ stdenv, fetch, cmake, libxml2, llvm, version, clang-tools-extra_src }:
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let
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  gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
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in stdenv.mkDerivation {
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  name = "clang-${version}";
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  unpackPhase = ''
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    unpackFile ${fetch "cfe" "0846h8vn3zlc00jkmvrmy88gc6ql6014c02l4jv78fpvfigmgssg"}
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    mv cfe-${version}.src clang
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    sourceRoot=$PWD/clang
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    unpackFile ${clang-tools-extra_src}
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    mv clang-tools-extra-* $sourceRoot/tools/extra
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  '';
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  buildInputs = [ cmake libxml2 llvm ];
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  cmakeFlags = [
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    "-DCMAKE_CXX_FLAGS=-std=c++11"
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  ] ++
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  # Maybe with compiler-rt this won't be needed?
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  (stdenv.lib.optional stdenv.isLinux "-DGCC_INSTALL_PREFIX=${gcc}") ++
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  (stdenv.lib.optional (stdenv.cc.libc != null) "-DC_INCLUDE_DIRS=${stdenv.cc.libc}/include");
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  patches = [ ./clang-purity.patch ];
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  postPatch = ''
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    sed -i -e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/Tools.cpp
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    sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/ToolChains.cpp
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  '';
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  # Clang expects to find LLVMgold in its own prefix
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  # Clang expects to find sanitizer libraries in its own prefix
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  postInstall = ''
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    if [ -e ${llvm}/lib/LLVMgold.so ]; then
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      ln -sv ${llvm}/lib/LLVMgold.so $out/lib
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    fi
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    ln -sv ${llvm}/lib/clang/${version}/lib $out/lib/clang/${version}/
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    ln -sv $out/bin/clang $out/bin/cpp
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  '';
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  enableParallelBuilding = true;
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  passthru = {
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    isClang = true;
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  } // stdenv.lib.optionalAttrs stdenv.isLinux {
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    inherit gcc;
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  };
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  meta = {
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    description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
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    homepage    = http://llvm.org/;
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    license     = stdenv.lib.licenses.ncsa;
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    platforms   = stdenv.lib.platforms.all;
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  };
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}
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