anchor.diff:  
     propagatedBuildInputs = [ glib gtk p11-kit ];
   
  -  #doCheck = true;
  +  checkInputs = [ python2 ];
  +  doCheck = false; # fails 21 out of 603 tests, needs dbus daemon
   
     #enableParallelBuilding = true; issues on hydra
   
  
positive.code:     updateScript = gnome3.updateScript { packageName = "gcr"; attrPath = "gnome3.gcr"; };
    };
  
    outputs = [ "out" "dev" ];
  
    nativeBuildInputs = [ pkgconfig intltool gobjectIntrospection libxslt makeWrapper vala ];
  
negative.code: { stdenv, fetchurl, pkgconfig, intltool, gnupg, p11-kit, glib
  , libgcrypt, libtasn1, dbus-glib, gtk, pango, gdk_pixbuf, atk
  , gobjectIntrospection, makeWrapper, libxslt, vala, gnome3
  , python2 }:
  
  stdenv.mkDerivation rec {
    name = "gcr-${version}";
  