K 10
svn:author
V 6
brooks
K 8
svn:date
V 27
2020-11-10T21:12:32.537059Z
K 7
svn:log
V 385
Be more tolerant of share/mk and kern.mk mismatch

When building out-of-tree modules, it appears that the system share/mk
is used, but sys/conf/kern.mk is used.  That results in MK_INIT_ALL_ZERO
being undefined.  In the interest of maximum compatability, check
that MK_INIT_ALL_* and COMPILER_FEATURES are defined before comparing
their values.

Reported by:	mmacy
Sponsored by:	DARPA

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