anchor.diff:      vala_0_34
       gnome3.yelp_tools
       wrapGAppsHook
  +    # For setup hook
  +    gobjectIntrospection
     ];
   
     buildInputs = [
  
positive.code:     };
  
    nativeBuildInputs = [
      makeWrapper
      pkgconfig
      automake autoconf libtool
      file
  
negative.code: { stdenv, fetchFromGitHub, automake, autoconf, libtool,
    pkgconfig, file, intltool, libxml2, json_glib , sqlite, itstool,
    librsvg, vala_0_34, gnome3, wrapGAppsHook, gobjectIntrospection
  }:
  
  stdenv.mkDerivation rec {
  