--- a/SConstruct	Tue Jul 17 11:13:34 2007 +0200
+++ b/SConstruct	Tue Jul 17 14:32:19 2007 +0200
@@ -258,6 +258,7 @@
     'random-direction-mobility-model.cc',
     'hierarchical-mobility-model.cc',
     'ns2-mobility-file-topology.cc',
+    'mobility-model-helper.cc',
     ])
 node.add_inst_headers ([
     'node.h',
@@ -285,6 +286,7 @@
     'random-direction-mobility-model.h',
     'hierarchical-mobility-model.h',
     'ns2-mobility-file-topology.h',
+    'mobility-model-helper.h',
     ])
 
 applications = build.Ns3Module ('applications', 'src/applications')