Index: coinor-vol-1.1.6/doxydoc/doxygen.conf
===================================================================
--- coinor-vol-1.1.6.orig/doxydoc/doxygen.conf 2008-11-08 19:18:39.000000000 -0700
+++ coinor-vol-1.1.6/doxydoc/doxygen.conf 2008-11-08 19:19:01.000000000 -0700
@@ -610,7 +610,7 @@
# toolkit from AT&T and Lucent Bell Labs. The other options in this section
# have no effect if this option is set to NO (the default)
-HAVE_DOT = NO
+HAVE_DOT = YES
# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen
# will generate a graph for each documented class showing the direct and