diff -r c5990f454032 -r 7e368d9b67f7 test/circulation_test.cc
--- a/test/circulation_test.cc	Wed Mar 28 19:39:56 2012 +0200
+++ b/test/circulation_test.cc	Wed Nov 28 11:41:40 2012 +0100
@@ -73,6 +73,7 @@
   BarrierMap bar;
   VType v;
   bool b;
+  ignore_unused_variable_warning(v,b);
 
   typedef Circulation<Digraph, CapMap, CapMap, SupplyMap>
             ::SetFlowMap<FlowMap>