[MacPorts] #64470: opencv4 not installed on MacOS Catalina 10.15.7

[MacPorts]

#64470: opencv4 not installed on MacOS Catalina 10.15.7
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  Reporter:  iglaweb  |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  High     |  Milestone:
 Component:  ports    |    Version:  2.7.1
Resolution:           |   Keywords:
      Port:  opencv4  |
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Changes (by iglaweb):

 * Attachment "main.log" added.


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Ticket URL: <https://trac.macports.org/ticket/64470>
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