anchor.diff:  }:
   
   assert libx11 != null ->
  -  xorg.libXrandr != null
  -  && xorg.libxkbfile != null
  +  xorg.libxkbfile != null
     && xorg.xkeyboardconfig != null;
   
   let
  
positive.code: , gdk-pixbuf
  , glib
  , gnome_doc_utils
  , gobject-introspection
  , gsettings-desktop-schemas
  , gtk
  
negative.code:     "--${boolWt (libx11 != null)}-x"
    ];
  
    postPatch = /* FIXME: find way to support bwrap */ ''
      sed -i configure.ac \
        -e '/HAVE_BWRAP/d'
    '' + /* Fix hardcoded bubblewrap paths */ ''
      sed -i libgnome-desktop/gnome-desktop-thumbnail-script.c \
        -e '/\/lib64/d' \
        -e "/--ro-bind/ s,/usr,${gdk-pixbuf}," \
        -e "/--symlink/ s,usr/bin,${gdk-pixbuf}/bin,g" \
        -e "/--ro-bind/ s,/lib,${gdk-pixbuf}/lib," \
        -e '/usr\/sbin/d'
    '';
  
    passthru = {
      srcVerification = fetchurl {
        inherit (src)
  