[macports-ports] branch master updated: root6: update default compiler variants

[Ryan Schmidt]

> On May 2, 2018, at 03:43, Chris Jones wrote:
> 
>> You don't really need [expr] here, do you?
> 
> It seemed to work, and I think I just copied the pattern above from another Portfile...

I've submitted a PR to remove that pattern from the other ports:

https://github.com/macports/macports-ports/pull/1713