anchor.diff:      ++ opt mmsSupport libmms
       ++ opt mpg123Support mpg123
       ++ opt aacSupport faad2
  -    ++ opt zipSupport zziplib;
  +    ++ opt zipSupport zziplib
  +    ++ opt zipSupport pulseaudio;
   
     configureFlags =
       [ (mkFlag (!stdenv.isDarwin && alsaSupport) "alsa")
  
positive.code:       (mkFlag mmsSupport "mms")
        (mkFlag mpg123Support "mpg123")
        (mkFlag aacSupport "aac")
        (mkFlag stdenv.isDarwin "osx")
        "--enable-debugging" ]
      ++ opt stdenv.isLinux
  
negative.code: , samplerateSupport ? true, libsamplerate
  , mmsSupport ? true, libmms
  , mpg123Support ? true, mpg123
  , aacSupport ? true, faad2
  , pulseaudioSupport ? true, pulseaudio
  }:
  
  let
  
  