[MacPorts] #58854: cmake @3.15.2 fails to configure on 10.6/libc++

[MacPorts]

#58854: cmake @3.15.2 fails to configure on 10.6/libc++
-----------------------------------+--------------------------
  Reporter:  jmroot                |      Owner:  cjones051073
      Type:  defect                |     Status:  assigned
  Priority:  Normal                |  Milestone:
 Component:  ports                 |    Version:  2.5.99
Resolution:                        |   Keywords:  snowleopard
      Port:  cmake legacy-support  |
-----------------------------------+--------------------------
Changes (by jmroot):

 * Attachment "main.log" added.


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Ticket URL: <https://trac.macports.org/ticket/58854>
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