[MacPorts] #61839: cmake: Configure failure with MacOS 11.1 and Xcode 12.3

[MacPorts]

#61839: cmake: Configure failure with MacOS 11.1 and Xcode 12.3
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  Reporter:  mf2k    |      Owner:  michaelld
      Type:  defect  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.6.99
Resolution:          |   Keywords:
      Port:  cmake   |
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Changes (by mf2k):

 * Attachment "main.log" added.


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Ticket URL: <https://trac.macports.org/ticket/61839>
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