Index: clp-1.7.4/doxydoc/doxygen.conf
===================================================================
--- clp-1.7.4.orig/doxydoc/doxygen.conf	2008-05-07 21:38:46.000000000 +0200
+++ clp-1.7.4/doxydoc/doxygen.conf	2008-05-07 21:38:54.000000000 +0200
@@ -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