[MacPorts] #62744: py39-opencv4 4.5.2: staging into destroot fails

[MacPorts]

#62744: py39-opencv4 4.5.2: staging into destroot fails
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  Reporter:  phosphide     |      Owner:  stromnov
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.4
Resolution:                |   Keywords:
      Port:  py39-opencv4  |
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Comment (by mascguy):

 I suspect this is an issue with upstream dependency OpenBLAS, on M1 Macs.
 Not 100% certain though.

 Two related tickets:

 [https://trac.macports.org/ticket/61700 OpenBlas fails to build on macOS
 BigSur (Apple Silicon)]

 [https://trac.macports.org/ticket/62727 OpenBLAS fails to build on Apple
 M1]

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Ticket URL: <https://trac.macports.org/ticket/62744#comment:4>
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