[MacPorts] #49670: OpenCV 2.x (please re-instate or provide a new opencv2 port)

[MacPorts]

#49670: OpenCV 2.x (please re-instate or provide a new opencv2 port)
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  Reporter:  macports@…   |      Owner:  mascguy
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  opencv       |
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Comment (by mascguy):

 FYI, making progress on this. Using the last OpenCV 2 port as a starting
 point, and updating it to be segregated like `opencv3` and `opencv4`, I
 have a near-working `opencv2`.

 But there's one fly in the ointment: It depends on QTKit headers not
 available on newer MacOS releases. And thus far, I haven't found an
 acceptable workaround.

 Grabbing those headers from an older MacOS SDK, and copying them into the
 port's source tree, fixes the problem. But that's not a great solution.
 (And could be problematic from a licensing perspective, though that's not
 confirmed.)

 Regardless, for anyone interested, the work-in-progress is located here:

 https://github.com/mascguy/macports-ports/tree/mascguy-opencv2

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Ticket URL: <https://trac.macports.org/ticket/49670#comment:11>
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