[MacPorts] #71592: qt5-qtbase @ 5.11.3_12 -- Failed to Configure "error: invalid value 'c++17' in '-std=c++17"

[MacPorts]

#71592: qt5-qtbase @ 5.11.3_12 -- Failed to Configure "error: invalid value 'c++17'
in '-std=c++17"
-------------------------+-----------------------
  Reporter:  RobK88      |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.10.5
Resolution:              |   Keywords:  elcapitan
      Port:  qt5-qtbase  |
-------------------------+-----------------------
Changes (by RobK88):

 * Attachment "config.log" added.


-- 
Ticket URL: <https://trac.macports.org/ticket/71592>
MacPorts <https://www.macports.org/>
Ports system for macOS