[MacPorts] #62738: gmic 2.9.7.x: OpenCV support no longer enabled by default

[MacPorts]

#62738: gmic 2.9.7.x: OpenCV support no longer enabled by default
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  Reporter:  mascguy  |      Owner:  mascguy
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  gmic     |
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Comment (by mascguy):

 Plus enabling parallel builds, which I also included in my PR.

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Ticket URL: <https://trac.macports.org/ticket/62738#comment:7>
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