[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 kencu):

 Ryan, cmake links against many system libs, I'm not sure that forcing
 libc++ is going to work out without a full implementation of
 LibcxxOnOlderSystems. What am I missing here?

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Ticket URL: <https://trac.macports.org/ticket/55382#comment:43>
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