K 10
svn:author
V 8
bdrewery
K 8
svn:date
V 27
2017-07-24T23:32:40.321782Z
K 7
svn:log
V 214
Allow disabling dependency tracking if DEPEND_CFLAGS is empty.

This falls back on using the guesssed dependencies if so.
Also remove a pre-bmake check while here.

MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon

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