Switching cxx_stdlib for C++11 on legacy macOS

[db]

On 3 Sep 2017, at 13:47, Rainer Müller <raimue at macports.org> wrote:
> The other option to switch would be to just change the default of
> cxx_stdlib with the next 2.x release, wipe all existing binary packages
> and ask all existing users on legacy systems to uninstall, then
> reinstall all their ports. Less work for developers, much frustration
> for users.

Wouldn't switching cxx_stdlib to and having the bots build binaries with libc++ actually benefit both developers and users?