anchor.diff:  { stdenv, fetchurl, dpkg, makeWrapper
   , alsaLib, atk, cairo, cups, curl, dbus, expat, fontconfig, freetype, gdk_pixbuf, glib, glibc, gnome3
  -, gtk2, libnotify, libpulseaudio, libsecret, libstdcxx5, libv4l, nspr, nss, pango, systemd, xorg }:
  +, gtk2, libnotify, libpulseaudio, libsecret, libv4l, nspr, nss, pango, systemd, xorg }:
   
   let
   
  
positive.code:     gnome3.gconf
      gdk_pixbuf
      gtk2
      
  
      gnome3.gnome-keyring
  
  
negative.code:     pango
      stdenv.cc.cc
      systemd
      libv4l
  
      xorg.libxkbfile
  