--- a/src/simulator/simulator.cc	Thu Jul 24 11:27:57 2008 +0100
+++ b/src/simulator/simulator.cc	Thu Jul 24 11:37:56 2008 +0100
@@ -276,6 +276,13 @@
   return GetImpl ()->GetMaximumSimulationTime ();
 }
 
+void
+Simulator::SetImplementation (Ptr<SimulatorImpl> impl)
+{
+  NS_FATAL_ERROR ("TODO");
+}
+
+
 } // namespace ns3