[MacPorts] #68747: ffmpeg @4.4.4_3 fails to build

[MacPorts]

#68747: ffmpeg @4.4.4_3 fails to build
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  Reporter:  gwright83  |      Owner:  mascguy
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  ffmpeg     |
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Comment (by rickyzhang82):

 RTFM [https://guide.macports.org/#development.local-repositories]

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Ticket URL: <https://trac.macports.org/ticket/68747#comment:8>
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