anchor.diff:  , cairo
   , fetchurl
   , flac
  -, gcc11
  +, gcc12
   , gnome
   , gssdp
   , gupnp
  
positive.code:     alsa-lib
      cairo
      flac
      gcc11.cc.lib
      gnome.rygel
      gssdp
      gupnp
  
negative.code: }:
  stdenv.mkDerivation rec {
    pname = "hqplayerd";
    version = "4.32.4-94sse42";
  
    src = fetchurl {
      url = "https://www.signalyst.eu/bins/${pname}/fc36/${pname}-${version}.fc36.x86_64.rpm";
      hash = "sha256-hTckJdZzD/Sx/uV30dlGiT46QvzIGp6BQdNNRlQ/Mgw=";
    };
  
    unpackPhase = ''
  