[MacPorts] #62011: opencv/opencv4: eliminate portfile duplication, via subport

[MacPorts]

#62011: opencv/opencv4: eliminate portfile duplication, via subport
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  Reporter:  mascguy         |      Owner:  mascguy
      Type:  enhancement     |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:
      Port:  opencv opencv4  |
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Comment (by mascguy):

 PRs submitted for first two phases:

 [https://github.com/macports/macports-ports/pull/9777]

 [https://github.com/macports/macports-ports/pull/9789]

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Ticket URL: <https://trac.macports.org/ticket/62011#comment:4>
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