> config FOO
 > 	depends on (IPV6 || IPV6=n)

OK, I'll add the same hack for INFINIBAND_IPOIB too.  I doubt there's
anyone that really cares about IPoIB built-in with modular IPv6.

Would you like a patch to do the same thing for INET_IPGRE (and fix
the #ifdefs in ip_gre.c)?

 - R.