K 10
svn:author
V 6
brooks
K 8
svn:date
V 27
2019-07-31T17:29:14.837844Z
K 7
svn:log
V 285
MFC r350143, r350148

r350143:
Chain Makefile.inc's so default are inherited as expected.

Remove unneeded or duplicate variables.

No functional change.

r350148:
Restore WARNS?=1 here.  I missed that libexec/bootpd/bootpgw existed.

Obtained from:	CheriBSD
Sponsored by:	DARPA, AFRL

END