anchor.diff:  { stdenv, fetchurl, boost, cmake, gettext, gstreamer, gst_plugins_base
  +, gst_plugins_good, gst_plugins_bad, gst_plugins_ugly, gst_ffmpeg
   , liblastfm, qt4, taglib, fftw, glew, qjson, sqlite, libgpod, libplist
   , usbmuxd, libmtp, gvfs, libcdio, protobuf, libspotify, qca2, pkgconfig
  -, sparsehash, config }:
  +, sparsehash, config, makeWrapper }:
   
   let withSpotify = config.clementine.spotify or false;
   in
  
positive.code: 
    enableParallelBuilding = true;
  
    meta = with stdenv.lib; {
      homepage = "http://www.clementine-player.org";
      description = "A multiplatform music player";
  
negative.code:     gettext
      glew
      gst_plugins_base
      gst_plugins_good
      gst_plugins_ugly
      gst_ffmpeg
      gstreamer
      gvfs
      libcdio
  