diff -r b6347aae6575 -r 404b98971e1f test/connectivity_test.cc
--- a/test/connectivity_test.cc	Wed Sep 12 17:34:01 2012 +0200
+++ b/test/connectivity_test.cc	Thu Sep 13 12:13:19 2012 +0200
@@ -68,6 +68,7 @@
     Digraph::NodeMap<int> order(d);
     Graph g(d);
     Digraph::Node n = d.addNode();
+    ignore_unused_variable_warning(n);
 
     check(stronglyConnected(d), "This digraph is strongly connected");
     check(countStronglyConnectedComponents(d) == 1,
@@ -245,6 +246,7 @@
     Digraph::Node shoe = d.addNode();
     Digraph::Node watch = d.addNode();
     Digraph::Node pants = d.addNode();
+    ignore_unused_variable_warning(watch);
 
     d.addArc(socks, shoe);
     d.addArc(pants, shoe);