Problem building 6.0b5 on 4.11

[M. Warner Losh]

In message: <di73qj$58v$1 at sea.gmane.org>
            "Joshua Coombs" <jcoombs at gwi.net> writes:
: Can I bypass that if I build 6.0 on a system already running 6.0, 
: bring over /usr/src and /usr/obj, and proceed from there?

Installworld tends to be a lot more forgiving than buildworld.  I'd
rate your chances of success as 'high' following this path.  I've not
personally done it, and I have no more 4.x systems to test...

Warner