anchor.diff:  , libxml2, polkit, libxslt, libgtop, libsoup, colord, colord-gtk
   , cracklib, python, krb5, networkmanagerapplet, networkmanager
   , libwacom, samba, shared_mime_info, tzdata, icu, libtool
  -, docbook_xsl, docbook_xsl_ns, modemmanager }:
  +, docbook_xsl, docbook_xsl_ns, modemmanager, clutter, clutter_gtk }:
   
   # http://ftp.gnome.org/pub/GNOME/teams/releng/3.10.2/gnome-suites-core-3.10.2.modules
   # TODO: bluetooth, wacom, smbclient, printers
   
   stdenv.mkDerivation rec {
  -  name = "gnome-control-center-3.10.2";
  +  name = "gnome-control-center-3.12.1";
   
     src = fetchurl {
  -    url = "mirror://gnome/sources/gnome-control-center/3.10/${name}.tar.xz";
  -    sha256 = "1ac34kqkf174w0qc12p927dfhcm69xnv7fqzmbhjab56rn49wypn";
  +    url = "mirror://gnome/sources/gnome-control-center/3.12/${name}.tar.xz";
  +    sha256 = "5297d448eff0ec58f6c0ad9fbd1b94bed0a850496df0ee65571c0622b49c1582";
     };
   
     propagatedUserEnvPkgs = [ gnome3.gnome_themes_standard gnome3.libgnomekbd ];
  -  propagatedBuildInputs = [ gdk_pixbuf gnome3.gnome_icon_theme librsvg
  -                            hicolor_icon_theme gnome3.gnome_icon_theme_symbolic ];
   
     enableParallelBuilding = true;
   
  
positive.code:   preFixup = with gnome3; ''
      wrapProgram $out/bin/gnome-control-center \
        --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE" \
        --prefix XDG_DATA_DIRS : "${gnome3.gnome_themes_standard}/share:${gnome_settings_daemon}/share:${glib}/share:${gtk}/share:${colord}/share:$out/share:$out/share/gnome-control-center:$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH"
      for i in $out/share/applications/*; do
        substituteInPlace $i --replace "gnome-control-center" "$out/bin/gnome-control-center"
      done
  
negative.code:       libxml2 gnome_desktop gnome_settings_daemon polkit libxslt libgtop gnome-menus
        gnome_online_accounts libsoup colord pulseaudio fontconfig colord-gtk libpwquality
        accountservice krb5 networkmanagerapplet libwacom samba libnotify libxkbfile
        shared_mime_info icu libtool docbook_xsl docbook_xsl_ns gnome3.grilo
        gdk_pixbuf gnome3.gnome_icon_theme librsvg clutter clutter_gtk
        hicolor_icon_theme gnome3.gnome_icon_theme_symbolic
        networkmanager modemmanager makeWrapper  ];
  
    preBuild = ''
  