[MacPorts] #50481: qt4-mac: libc++ under Lion

[MacPorts]

#50481: qt4-mac: libc++ under Lion
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  Reporter:  ctreleaven  |      Owner:  michaelld
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:
      Port:  qt4-mac     |
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Comment (by kencu):

 on lion, it  builds w clang-5.0 without other changes.

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Ticket URL: <https://trac.macports.org/ticket/50481#comment:18>
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