K 10
svn:author
V 3
mat
K 8
svn:date
V 27
2017-11-02T15:16:31.373078Z
K 7
svn:log
V 223
Add a check for options names.

They must be all uppercase, so that they do not conflict with flavors
that are lowercase.

Reviewed by:	bapt
Sponsored by:	Absolight
Differential Revision:	https://reviews.freebsd.org/D12810

END