[MacPorts] #60348: libcxx fails to install on Leopard

[MacPorts]

#60348: libcxx fails to install on Leopard
---------------------------+--------------------
  Reporter:  DominusExult  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.2
Resolution:                |   Keywords:
      Port:  libcxx        |
---------------------------+--------------------
Changes (by DominusExult):

 * Attachment "main.log" added.

 log file

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Ticket URL: <https://trac.macports.org/ticket/60348>
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