anchor.diff:  , procps
   , shared_mime_info
   , sqlite
  -, webkitgtk
  +, webkitgtk_2_4
   }:
   
   stdenv.mkDerivation rec {
  
positive.code:     procps
      shared_mime_info
      sqlite
      webkitgtk
    ];
  
    doCheck = true;
  
negative.code: , libtool
  
  , adwaita-icon-theme
  , atk
  , bogofilter
  , cairo
  , db
  , enchant
  , evolution-data-server
  , gcr
  , gdk-pixbuf
  