establish installed dependency not in portfile

[db]

On 8 Oct 2017, at 21:19, Ryan Schmidt <ryandesign at macports.org> wrote:
> On Oct 8, 2017, at 05:17, db wrote:
>> Since py27-numpy is the only port installed requiring gcc7, I rather choose gcc6 which is used by many others instead.
> You can do that, but since gcc7 is the latest stable version of gcc, ports that currently use gcc6 by default will be updated over time to use gcc7 instead.

Until then, since I always build from source, I rather save CPU time. Speaking of which, getting back to my first post, is there any way to query the build time from the buildbots? It'd be useful to estimate when to do an update.