anchor.diff:  , ffmpeg
   , glib
   , libGLU
  +, libICE
  +, libX11
   , mesa
   , perl
   , pkg-config
  
positive.code:     Carbon
      Cocoa
    ] ++ lib.optionals stdenv.hostPlatform.isLinux [
      xlibsWrapper
    ];
  
    postPatch = ''
  
negative.code: , python3
  , wrapGAppsHook
  , wxGTK32
  }:
  
  stdenv.mkDerivation rec {
  