[MacPorts] #67550: error: "C++ versions less than C++14 are not supported."

[MacPorts]

#67550: error: "C++ versions less than C++14 are not supported."
--------------------+-----------------------
 Reporter:  dbl001  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.8.1
 Keywords:          |       Port:  py310-re2
--------------------+-----------------------
 Error on MacOS Catalina
 {{{
 info:build /opt/local/include/absl/strings/string_view.h:341:13: error:
 cannot assign to non-static data member within const member function
 'remove_prefix'
 :info:build     length_ -= n;
 :info:build     ~~~~~~~ ^

 }}}

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Ticket URL: <https://trac.macports.org/ticket/67550>
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