anchor.diff:  
     meta = with stdenv.lib; {
       description = "Geolocation framework and some data providers";
  +    homepage = https://freedesktop.org/wiki/Software/GeoClue/;
       maintainers = with maintainers; [ raskin garbas ];
       platforms = with platforms; linux ++ darwin;
       license = licenses.lgpl2;
  
positive.code: { fetchurl, stdenv, intltool, libintlOrEmpty, pkgconfig, glib, json-glib, libsoup, geoip
  , dbus, dbus-glib, modemmanager, avahi, glib-networking, wrapGAppsHook
  }:
  
  with stdenv.lib;
  
negative.code:   outputs = [ "out" "dev" ];
  
    nativeBuildInputs = [
      pkgconfig intltool wrapGAppsHook gobjectIntrospection
    ];
  
    buildInputs = libintlOrEmpty ++
  