[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):

 >Can the macports-libstdc++ stuff be brought back to clang-3.7?

 It may not be impossible. AFAIK it has not be done anywhere. It has been
 brought back to clang-3.8 using some debian patches
 <https://github.com/kencu/LeopardPorts/tree/master/lang/llvm-3.8> . I
 don't know how much work it would be to find the proper spots in
 clang-3.7, or if it could be done. But if it could be done, it would
 indeed solve the problem.

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Ticket URL: <https://trac.macports.org/ticket/55382#comment:33>
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