[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
 Keywords:          |       Port:  py39-scikit-learn
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 Build fails on Big Sur macOS 11.0.1 Xcode 12.2 - log attached.

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