--- /opt/local/var/macports/sources/rsync.macports.org/release/ports/devel/bzrtools/Portfile	2009-10-03 11:50:45.000000000 +0200
+++ devel/bzrtools/Portfile	2009-10-25 19:12:38.000000000 +0100
@@ -29,6 +29,10 @@
 depends_lib-append  port:bzr \
                     path:bin/dot:graphviz
 
+variant no_graphviz description {Disable GraphViz support, which will break Graph Ancestry} {
+depends_lib-delete  path:bin/dot:graphviz
+}
+
 universal_variant no
 
 livecheck.type  regex