[MacPorts] #50733: VLC @2.2.2 build error - build failure

[MacPorts]

#50733: VLC @2.2.2 build error - build failure
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  Reporter:  matt_langston@…  |      Owner:  rjvbertin@…
      Type:  defect           |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:
Resolution:                   |   Keywords:
      Port:  VLC              |
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Comment (by rjvbertin@…):

 I know that this VLC version built against an older opencv because I
 hadn't updated mine.

 I'll presume that someone who holds off on updating a port has some
 understanding of using a personal port tree with local, frozen and/or
 modified copies of mainstream port directories.
 So my suggestion would be to do this for VLC too, and remove the `patch-
 opencv_includes.diff` patchfile entry. That should make the port build
 again against the older opencv.

 Given the issues that this dependency is causing, we could also discuss
 adding a variant for the functionality it provides. I have no idea what
 one misses by removing it; maybe a more seasoned VLC user can give some
 background on that?

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Ticket URL: <https://trac.macports.org/ticket/50733#comment:3>
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