[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:  closed
  Priority:  High        |  Milestone:
 Component:  ports       |    Version:
Resolution:  fixed       |   Keywords:  tiger leopard snowleopard lion
      Port:  cmake       |  mountainlion
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Comment (by RJVB):

 This reeks like it might be related to #53201. Cmake builds via a
 bootstrap procedure after all. [[br]]
 (I no longer have easy access to a pre-10.9 system so cannot simply test
 for myself to what extent this is true AND relevant for the issue at
 hand.)

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Ticket URL: <https://trac.macports.org/ticket/55382#comment:63>
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