[MacPorts] #41321: cmake: invalid deployment target for -stdlib=libc++ (requires OS X 10.7 or later)

[MacPorts]

#41321: cmake: invalid deployment target for -stdlib=libc++ (requires OS X 10.7 or
later)
---------------------------+-----------------------
  Reporter:  ryandesign@…  |      Owner:  css@…
      Type:  defect        |     Status:  reopened
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.2.99
Resolution:                |   Keywords:  mavericks
      Port:  cmake         |
---------------------------+-----------------------

Comment (by ks+macports@…):

 Replying to [comment:31 mojca@…]:
 > Reopening based on feedback by "ks" (I didn't try myself).
 >
 > Please also note that CMake 3.0.0 is out (#42654). You might want to
 compare 2.8 and 3.0 to see if anything changes.

 Please tell me, if I can submit further information on my problem (any
 logs?).

 Or should I try 3.0?  Then I think I need some hints how to do this. ;-)
 I just tried to install synergy and cmake is one of the packages synergy
 is depending on.

 So how can I help to get down to fixing this problem? :)

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Ticket URL: <https://trac.macports.org/ticket/41321#comment:32>
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