{ lib
, fetchurl
, stdenv
, autoPatchelfHook
, rocmPackages
, zlib
, libffi
, elfutils
}:

let
  # in newer nixpkgs the runtime is hsakmt
  rocmRuntime =
    if rocmPackages ? hsakmt then
      rocmPackages.hsakmt
    else
      rocmPackages.rocm-runtime;
in
stdenv.mkDerivation {
  pname = "aocc-compiler";
  version = "5.0.0";

  src = fetchurl {
    url = "https://download.amd.com/developer/eula/aocc/aocc-5-0/aocc-compiler-5.0.0.tar";
    sha256 = "sha256-lm+sLSx1np3m6WnBCtp6ezBsET9/HgfqN2gp7IY4Dao=";
  };

  nativeBuildInputs = [ autoPatchelfHook ];
  buildInputs = [
    elfutils
    zlib
    rocmRuntime
    stdenv.cc.cc.lib
  ];
  phases = [ "unpackPhase" "installPhase" "fixupPhase" ];
  dontStrip = true;

  installPhase = ''
    mkdir -p $out
    cp -a . $out/

    ln -s ${lib.getLib libffi}/lib/libffi.so $out/lib/libffi.so.6
  '';

  passthru = {
    inherit rocmRuntime;
    isClang = true; # Needed for wrapCCWith
  };

  meta.mainProgram = "clang";
}