{ stdenv, qbe, hareAs, hareCc, hareLd }:
let
  arch = stdenv.hostPlatform.uname.processor;
  qbePlatform = {
    x86_64 = "amd64_apple";
    aarch64 = "arm64_apple";
  }.${arch};
in
stdenv.mkDerivation  (finalAttrs: {
  pname = "harec";
  version = "0.24";
  src = builtins.fetchGit {
    url = "https://github.com/badboy/harelang-harec";
    ref = "master";
    rev = "873311b721dca691706909964cc108139ebee0de";
  };
  buildInputs = [ qbe ];
  nativeBuildInputs = [ qbe ];
  doCheck = true;

  makeFlags = [
    "PREFIX=${builtins.placeholder "out"}"
    "ARCH=${arch}"
    "VERSION=${finalAttrs.version}-nixpkgs"
    "QBEFLAGS=-t${qbePlatform}"
    "CC=${hareCc}/bin/hare-cc"
    "AS=${hareAs}/bin/hare-as"
    "LD=${hareLd}/bin/hare-ld"
  ];

  postConfigure = ''
    ln -s configs/darwin.mk config.mk
  '';
})