Changing default cxx_stdlib to libc++

[db]

On 12 Mar 2018, at 21:35, Ryan Schmidt <ryandesign at macports.org> wrote:
> On Mar 12, 2018, at 13:56, db wrote:
>> If not, shouldn't it, prior to accepting an updated port definition?
> The buildbot is only engaged after a commit is in the repository master branch.
> We have a separate system, using Travis CI, for doing test builds of updates that have been submitted as pull requests but have not yet been merged into the repository master branch. But most maintainers that are committers don't submit pull requests for their own software, they just commit directly to master, so their changes would not go through Travis.

Then why contribute an update to a port circumventing the test build system? What's the sense in that?