Version 2.8.8 is available upstream. Please consider updating!
It seems that version 2.8.8 is available upstream, while the latest version in the Gentoo tree is 2.8.6. You think this warning is false? Read more about it here.
nauty is a program for computing automorphism groups of graphs and digraphs. It can also produce a
nauty is written in a portable subset of C, and runs on a considerable number of different systems.