http://zenwalk.pinguix.com/user-accounts/bip/EXTRA/ap/graphviz/ZENBUILD
http://zenwalk.pinguix.com/user-accounts/bip/EXTRA/ap/graphviz/build-graphviz.sh
http://www.graphviz.org/pub/graphviz/stable/SOURCES/graphviz-2.28.0.tar.gz
