pkgs/development/compilers/llvm/3.9/libc++/default.nix


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{ lib, stdenv, fetch, cmake, libcxxabi, fixDarwinDylibNames, version }:

stdenv.mkDerivation rec {
  name = "libc++-${version}";

  src = fetch "libcxx" "0qbl3afl2p2h87p977lsqr5kykl6cgjpkzczs0g6a3pn53j1bri5";

  postUnpack = ''
    unpackFile ${libcxxabi.src}
  '';

  preConfigure = ''
    # Get headers from the cxxabi source so we can see private headers not installed by the cxxabi package
    cmakeFlagsArray=($cmakeFlagsArray -DLIBCXX_CXX_ABI_INCLUDE_PATHS="$NIX_BUILD_TOP/libcxxabi-${version}.src/include")
  '';

  patches = [
    # glibc 2.26 fix
    ./xlocale-glibc-2.26.patch
  ] ++ lib.optional stdenv.isDarwin ./darwin.patch;

  buildInputs = [ cmake libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;

  cmakeFlags = [
      "-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
      "-DLIBCXX_LIBCPPABI_VERSION=2"
      "-DLIBCXX_CXX_ABI=libcxxabi"
    ];

  enableParallelBuilding = true;

  linkCxxAbi = stdenv.isLinux;

  setupHooks = [
    ../../../../../build-support/setup-hooks/role.bash
    ./setup-hook.sh
  ];

  meta = {
    homepage = http://libcxx.llvm.org/;
    description = "A new implementation of the C++ standard library, targeting C++11";
    license = with stdenv.lib.licenses; [ ncsa mit ];
    platforms = stdenv.lib.platforms.unix;
  };
}