[MacPorts] #50440: qt5-qtbase: libc++ under Lion

[MacPorts]

#50440: qt5-qtbase: libc++ under Lion
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  Reporter:  ctreleaven@…  |      Owner:  mcalhoun@…
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.4
Resolution:                |   Keywords:
      Port:  qt5-qtbase    |
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Comment (by g.litenstein@…):

 I am trying to build qt5 on El Capitan (with latest XCode) and libc++ but
 targetting l0.7 and seeing an identical error.
 Also found that thread and attempted the solution via modifying the
 portfile and configure.env but nothing changed.

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Ticket URL: <https://trac.macports.org/ticket/50440#comment:1>
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