[MacPorts] #62459: unknown type name 'nullptr_t' error building wxMaxima

[MacPorts]

#62459: unknown type name 'nullptr_t' error building wxMaxima
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 Reporter:  dyne2meter                          |      Owner:  (none)
     Type:  defect                              |     Status:  new
 Priority:  Normal                              |  Milestone:
Component:  ports                               |    Version:  2.6.4
 Keywords:  nullptr_t ; Autocomplete_Popup.cpp  |       Port:  wxMaxima
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 Build on legacy system (MacOS 10.11.6); main log attached

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Ticket URL: <https://trac.macports.org/ticket/62459>
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