Diff

Index: wafadmin/Scan.py===================================================================--- wafadmin/Scan.py	(revision 1300)+++ wafadmin/Scan.py	(working copy)@@ -94,7 +94,12 @@ 			for dep in lst: 				if not dep.m_name in seen: 					add_node_sig(dep)-			m.update(tree.m_tstamp_variants[variant][node])+			try:+				tstamp = tree.m_tstamp_variants[variant][node]+			except KeyError:+				pass+			else:+				m.update(tstamp)  		# add the signatures of the input nodes 		for node in task.m_inputs: add_node_sig(node)