diff -r 2c2e8df67ddc -r b9887ae63df0 test/euler_test.cc
--- a/test/euler_test.cc	Tue Aug 06 12:21:06 2013 +0200
+++ b/test/euler_test.cc	Wed Aug 07 07:09:31 2013 +0200
@@ -101,7 +101,7 @@
     Digraph d;
     Graph g(d);
     Digraph::Node n = d.addNode();
-    ignore_unused_variable_warning(n);
+    ::lemon::ignore_unused_variable_warning(n);
   
     checkDiEulerIt(d);
     checkDiEulerIt(g);
@@ -190,7 +190,7 @@
     Digraph::Node n3 = d.addNode();
     Digraph::Node n4 = d.addNode();
     Digraph::Node n5 = d.addNode();
-    ignore_unused_variable_warning(n0,n4,n5);
+    ::lemon::ignore_unused_variable_warning(n0,n4,n5);
 
     d.addArc(n1, n2);
     d.addArc(n2, n3);