f870cb7f3b
INET6 socket when needed to allow pfctl to work on noinet and noinet6 kernels (and try to provide a fallback using AF_LINK as best effort). Adjust the Makefile to also respect relevant src.conf(5) options for compile time decisions on INET and INET6 support. Reviewed by: glebius (no objections) MFC after: 1 week