[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):

 >My question about why sharing data between FSF GCC libstdc++ and Apple
 GCC libstdc++ now works when it caused >crashes before remain.
 It's that magic flag, `-D_GLIBCXX_USE_CXX11_ABI=0`
 >I have a working cmake 3.10.0 built with libc++ on 10.6 right now, which
 would presumably work on 10.7 and 10.8 >too.
 The 10.7 build will fail, sadly, as per [ticket:55382#comment:4]

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Ticket URL: <https://trac.macports.org/ticket/55382#comment:35>
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