anchor.diff:  with stdenv.lib;
   stdenv.mkDerivation rec {
     name = "webkitgtk-${version}";
  -  version = "2.4.9";
  +  version = "2.4.11";
   
     meta = with stdenv.lib; {
       description = "Web content rendering engine, GTK+ port";
  
positive.code: 
    configureFlags = with stdenv.lib; [
      "--disable-geolocation"
      (optionalString enableIntrospection "--enable-introspection")
    ] ++ optional withGtk2 [
      "--with-gtk=2.0"
  
negative.code: 
    src = fetchurl {
      url = "http://webkitgtk.org/releases/${name}.tar.xz";
      sha256 = "1xsvnvyvlywwyf6m9ainpsg87jkxjmd37q6zgz9cxb7v3c2ym2jq";
    };
  
    CC = "cc";
  