anchor.diff:      # see https://github.com/NixOS/nixpkgs/issues/25968
       caribou
     ];
  -
  -  mesonFlags = [ "-Dextensions_tool=false" ];
   
     patches = [
       (fetchpatch {
  
positive.code:     at-spi2-core upower ibus gnome-desktop telepathy-logger gnome-settings-daemon
      gst_all_1.gst-plugins-good # recording
      gobject-introspection
  
      # not declared at build time, but typelib is needed at runtime
      libgweather networkmanagerapplet
  
negative.code: , libpulseaudio, libical, gobject-introspection, gstreamer, wrapGAppsHook, libxslt, gcr, caribou
  , accountsservice, gdk-pixbuf, gdm, upower, ibus, networkmanagerapplet, libgnomekbd, gnome-desktop
  , gsettings-desktop-schemas, gnome-keyring, glib, gjs, mutter, evolution-data-server, gtk3
  , sassc, systemd, gst_all_1, adwaita-icon-theme, gnome-bluetooth, gnome-clocks, gnome-settings-daemon
  , gnome-autoar, asciidoc-full }:
  
  # http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/gnome-base/gnome-shell/gnome-shell-3.10.2.1.ebuild?revision=1.3&view=markup
  
  