[MacPorts] #70263: ffmpeg @4.4.4_7+gpl2+librtmp+universal+x11: ERROR: librtmp not found using pkg-config

[MacPorts]

#70263: ffmpeg @4.4.4_7+gpl2+librtmp+universal+x11: ERROR: librtmp not found using
pkg-config
-------------------------+--------------------
  Reporter:  ar-an-ribe  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.9.3
Resolution:              |   Keywords:
      Port:  ffmpeg      |
-------------------------+--------------------

Comment (by ryandesign):

 Please attach the config.log file mentioned in the main.log file.

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Ticket URL: <https://trac.macports.org/ticket/70263#comment:1>
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