tarball=nauty${VERSION}.tar.gz
sha1=23504eeae95a1a8a9abfd47029b4ff9da886471f
sha256=c97ab42bf48796a86a598bce3e9269047ca2b32c14fc23e07208a244fe52c4ee
upstream_url=https://pallini.di.uniroma1.it/nauty${VERSION_MAJOR}_${VERSION_MINOR}_${VERSION_MICRO}.tar.gz
