[MacPorts] #72659: ffmpeg and graphviz install issues on macOS 15.5

[MacPorts]

#72659: ffmpeg and graphviz install issues on macOS 15.5
---------------------------+-----------------------------
  Reporter:  seamusdemora  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  High          |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:  ffmpeg graphviz
      Port:  ffmpeg        |
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Comment (by ryandesign):

 Please attach the main.log file showing what failed. If you can't find a
 log, show the terminal transcript. The most common reason why people
 report problems with Graphviz is ProblemHotlist#clts16 so check that too.

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Ticket URL: <https://trac.macports.org/ticket/72659#comment:1>
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