[MacPorts] #58677: legacy support issue while building cmake (Leopard)

[MacPorts]

#58677: legacy support issue while building cmake (Leopard)
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  Reporter:  rmottola  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  leopard i386 legacy
      Port:  cmake     |
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Comment (by kencu):

 One fix for [ticket:58578] is to force libc++ on Intel 10.5 and newer, and
 on no other systems. This was the easiest of the available fixes to
 suggest to you, and that's what I did myself.

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Ticket URL: <https://trac.macports.org/ticket/58677#comment:12>
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