[MacPorts] #61532: py39-scikit-learn fails to build on Big Sur macOS 11.0.1 Xcode 12.2

[MacPorts]

#61532: py39-scikit-learn fails to build on Big Sur macOS 11.0.1 Xcode 12.2
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  Reporter:  febo               |      Owner:  (none)
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:  2.6.4
Resolution:                     |   Keywords:
      Port:  py39-scikit-learn  |
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Changes (by febo):

 * Attachment "main.log" added.


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Ticket URL: <https://trac.macports.org/ticket/61532>
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