K 10
svn:author
V 3
sjg
K 8
svn:date
V 27
2019-03-04T22:04:21.320793Z
K 7
svn:log
V 249
Allow for reproducible build

Use SOURCE_DATE_EPOCH for BUILD_UTC if MK_REPRODUCIBLE_BUILD is yes.
Default SOURCE_DATE_EPOCH to 2019-01-01

Reviewed by:	emaste
Sponsored by:	Juniper Networks
Differential Revision:	https://reviews.freebsd.org/D19464

END