forked from mirrors/nixpkgs
57 lines
1.8 KiB
Nix
57 lines
1.8 KiB
Nix
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{ stdenv, fetch, cmake, libxml2, libedit, llvm, version, clang-tools-extra_src, python }:
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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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self = stdenv.mkDerivation {
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name = "clang-${version}";
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unpackPhase = ''
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unpackFile ${fetch "cfe" "1p55db1yfya60r2fnr9bh8pj8fqq5gjc1fnv0c1kmac8yfvwkmkn"}
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mv cfe-${version}* 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-* $sourceRoot/tools/extra
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'';
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buildInputs = [ cmake libedit libxml2 llvm python ];
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cmakeFlags = [
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"-DCMAKE_CXX_FLAGS=-std=c++11"
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] ++
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# Maybe with compiler-rt this won't be needed?
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(stdenv.lib.optional stdenv.isLinux "-DGCC_INSTALL_PREFIX=${gcc}") ++
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(stdenv.lib.optional (stdenv.cc.libc != null) "-DC_INCLUDE_DIRS=${stdenv.cc.libc}/include");
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patches = [ ./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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ln -sv ${llvm}/lib/LLVMgold.so $out/lib
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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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lib = self; # compatibility with gcc, so that `stdenv.cc.cc.lib` works on both
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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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in self
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