anchor.diff:  , libv4l, libdv, libavc1394, libiec61883
   , libvpx, speex, flac, taglib
   , cairo, gdk_pixbuf, aalib, libcaca
  -, libsoup, pulseaudio
  +, libsoup, pulseaudio, libintlOrEmpty
   }:
   
  +let
  +  inherit (stdenv.lib) optionals optionalString;
  +in
   stdenv.mkDerivation rec {
     name = "gst-plugins-good-1.4.5";
   
  
positive.code: 
    buildInputs = [
      gst-plugins-base orc bzip2
      libv4l libdv libavc1394 libiec61883
      libvpx speex flac taglib
      cairo gdk_pixbuf aalib libcaca
      libsoup pulseaudio
    ];
  }
  
negative.code:       code, LGPL or LGPL-compatible for the supporting library).
      '';
      license     = licenses.lgpl2Plus;
      platforms   = platforms.unix;
      maintainers = with maintainers; [ iyzsong ];
    };
  
  