loose dependency

[Koichiro Iwao]

On Thu, Mar 14, 2019 at 11:20:09AM -0600, Adam Weinberger wrote:
> This makes building from ports behave differently from pkg. Please,
> just make an OPTIONS_SINGLE for it, and default it to the current
> version (7), not the old version.

Yes, I'm going to switch to 7. The current port using 6 but it's not my
intension [1]. I've created a review [2]. I'd appreciate if you give me
some advice on OPTIONS_SINGLE.

[1] https://svnweb.freebsd.org/ports/head/net/tigervnc/Makefile?r1=484427&r2=484640
[2] https://reviews.freebsd.org/D19585
-- 
meta <meta at FreeBSD.org>