port group cxx11

[chrischavez at gmx.us]

On 6/25/22 at 9:44 AM, Mark Brethen wrote:

> I’m revising a local portfile of mine that used the port group cxx11 — which has been removed (port version 2.7.2). Is there another group I should be using?
> 

Use `compiler.cxx_standard 2011` instead, as other ports have: https://github.com/macports/macports-ports/search?o=desc&q=cxx11&s=committer-date&type=commits