{ stdenv, fetchFromGitHub
, cmake, dmd, cacert, openssl, libconfig, libedit, zlib, libxml2, curl, llvm }:


stdenv.mkDerivation rec {
  version = "1.2.0";
  name = "ldc-${version}";

  src = fetchFromGitHub {
    owner = "ldc-developers";
    repo = "ldc";
    rev = "e229b1d3810b4880440810c6ca0c23a762ec49cb";
    sha256 = "0r73vdafmmd6nlxhh1wp3sz9ymni5c721svmbz23l3i0wjlc72ga";
    fetchSubmodules = true;
  };

#  src = fetchgit {
#    url = "https://github.com/ldc-developers/ldc.git";
#    rev = "refs/tags/v${version}";
#    sha256 = "12xbzc9b0hhgda8n0125yn4g545qpazhfpv8hjr26pc8qjg9rlq4";
#    fetchSubmodules = true;
#  };

#  src = fetchurl {
#    url = "https://github.com/ldc-developers/ldc/archive/v${version}.tar.gz";
#    sha256 = "0plgvy9nybc4p41xx9rzrdlhxphbx2sx0sgj4xgg6ak1vac519sa";
#  };

#  postPatch = ''
#    sed -i 's:bits/mathdef.h:math.h:' dmd2/root/port.c
#    sed -i 's/::isnan/std::isnan/' dmd2/root/port.c
#    sed -i 's/::isinf/std::isinf/' dmd2/root/port.c
#  '';

  buildInputs = [
    cmake
    dmd
    cacert
    openssl
    libconfig
    libedit
    zlib
    libxml2
    curl
    llvm
  ];

  enableParallelBuilding = true;

#  cmakeFlags = [
#    "-DCMAKE_BUILD_TYPE=Release"
#    "-DCMAKE_CXX_FLAGS_RELEASE=-std=c++11"
#    "-DLLVM_ROOT_DIR=${llvm}"
#    "-DCMAKE_C_COMPILER=${gcc5}/bin/cc"
#    "-DCMAKE_CXX_COMPILER=${gcc5}/bin/g++"
#  ];
}