1.1 --- a/lemon/concepts/graph_components.h	Wed Nov 07 18:13:26 2012 +0100
     1.2 +++ b/lemon/concepts/graph_components.h	Wed Nov 28 12:02:36 2012 +0100
     1.3 @@ -108,6 +108,8 @@
     1.4            i1 = i2 = i3;
     1.5  
     1.6            bool b;
     1.7 +          ignore_unused_variable_warning(b);
     1.8 +
     1.9            b = (ia == ib) && (ia != ib);
    1.10            b = (ia == INVALID) && (ib != INVALID);
    1.11            b = (ia < ib);