Ed Maste a4ef9e58bc sbin: build ping if at least one of INET & INET6 is enabled
It does not build (and serves no purpose) if neither is true (i.e.,
building WITHOUT_INET and WITHOUT_INET6).  Also add an explicit error
in ping to make this case clear.

PR:		260082
Sponsored by:	The FreeBSD Foundation
2021-11-28 13:05:39 -05:00
..