diff -r 14394c9603c2 -r bdfc038f364c test/hao_orlin_test.cc
--- a/test/hao_orlin_test.cc	Tue Aug 06 12:19:11 2013 +0200
+++ b/test/hao_orlin_test.cc	Wed Aug 07 06:31:47 2013 +0200
@@ -66,7 +66,7 @@
   CapMap cap;
   CutMap cut;
   Value v;
-  ignore_unused_variable_warning(v);
+  ::lemon::ignore_unused_variable_warning(v);
 
   HaoOrlin<Digraph, CapMap> ho_test(g, cap);
   const HaoOrlin<Digraph, CapMap>&