[MacPorts] #69768: ninja fails to compile with standard gcc on Leopard 10.5: unrecognized command line option "-std=c++11"

[MacPorts]

#69768: ninja fails to compile with standard gcc on Leopard 10.5: unrecognized
command line option "-std=c++11"
-----------------------+------------------------
  Reporter:  rmottola  |      Owner:  ryandesign
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  leopard
      Port:  ninja     |
-----------------------+------------------------
Changes (by jmroot):

 * status:  new => assigned
 * owner:  (none) => ryandesign


Comment:

 The port already sets `compiler.cxx_standard 2011`.

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Ticket URL: <https://trac.macports.org/ticket/69768#comment:1>
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