[MacPorts] #55382: cmake @3.10.0: Cannot find a C++ compiler supporting C++11 on this system

[MacPorts]

#55382: cmake @3.10.0: Cannot find a C++ compiler supporting C++11 on this system
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  Reporter:  ryandesign  |      Owner:  michaelld
      Type:  defect      |     Status:  new
  Priority:  High        |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  tiger leopard snowleopard lion
      Port:  cmake       |  mountainlion
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Comment (by michaelld):

 I didn't realize that the 3.10.0 release required C++11. Should have
 tested on my 10.8 box... hopefully Ken's suggestion works!

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Ticket URL: <https://trac.macports.org/ticket/55382#comment:2>
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