anchor.diff:  { stdenv, fetchurl, pkgconfig, wrapGAppsHook, gtk2, gnome2, gnome3,
     libstartup_notification, libgtop, perl, perlXMLParser,
  -  autoreconfHook, intltool, gtk-doc, docbook_xsl, xauth, sudo
  +  autoreconfHook, intltool, docbook_xsl, xauth, sudo
   }:
   
   stdenv.mkDerivation rec {
  
positive.code:   };
  
    nativeBuildInputs = [
      pkgconfig autoreconfHook intltool gtk-doc docbook_xsl wrapGAppsHook
    ];
  
    buildInputs = [
  
negative.code:     intltoolize --force --copy --automake
    '';
  
    configureFlags = [
      "--disable-gtk-doc"
    ];
  
    meta = {
      description = "A library for integration of su into applications";
      longDescription = ''
  