[MacPorts] #61595: python39 3.9.0: build failed during configuration on M1

[MacPorts]

#61595: python39 3.9.0: build failed during configuration on M1
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  Reporter:  shibukawa  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.4
Resolution:             |   Keywords:
      Port:  python39   |
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Comment (by kencu):

 upstream is working on this.

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Ticket URL: <https://trac.macports.org/ticket/61595#comment:1>
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