diff -r 00f8d9f9920d -r d216e1c8b3fa test/hao_orlin_test.cc
--- a/test/hao_orlin_test.cc	Thu Sep 13 12:02:27 2012 +0200
+++ b/test/hao_orlin_test.cc	Wed Nov 28 11:54:43 2012 +0100
@@ -66,6 +66,7 @@
   CapMap cap;
   CutMap cut;
   Value v;
+  ignore_unused_variable_warning(v);
 
   HaoOrlin<Digraph, CapMap> ho_test(g, cap);
   const HaoOrlin<Digraph, CapMap>&