anchor.diff:  
     strictDeps = true;
   
  -  nativeBuildInputs = [ cmake pkg-config ];
  +  nativeBuildInputs = [ cmake pkg-config removeReferencesTo ];
   
     buildInputs = lib.optional alsaSupport alsa-lib
       ++ lib.optional dbusSupport dbus
  
positive.code:     "-DOSS_INCLUDE_DIR=${stdenv.cc.libc}/include"
    ];
  
    meta = with lib; {
      description = "OpenAL alternative";
      homepage = "https://kcat.strangesoft.net/openal.html";
  
negative.code: { lib, stdenv, fetchFromGitHub, cmake, pkg-config, removeReferencesTo
  , alsaSupport ? !stdenv.isDarwin, alsa-lib
  , dbusSupport ? !stdenv.isDarwin, dbus
  , pipewireSupport ? !stdenv.isDarwin, pipewire
  