diff -r cd72eae05bdf -r 3c00344f49c9 test/time_measure_test.cc
--- a/test/time_measure_test.cc	Mon Jul 16 16:21:40 2018 +0200
+++ b/test/time_measure_test.cc	Wed Oct 17 19:14:07 2018 +0200
@@ -2,7 +2,7 @@
  *
  * This file is a part of LEMON, a generic C++ optimization library.
  *
- * Copyright (C) 2003-2009
+ * Copyright (C) 2003-2013
  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
  * (Egervary Research Group on Combinatorial Optimization, EGRES).
  *
@@ -35,7 +35,7 @@
   for(int i=0;i<1000;i++)
     {
       TimeStamp x(T);
-      ignore_unused_variable_warning(x);
+      ::lemon::ignore_unused_variable_warning(x);
     }
 }