[MacPorts] #46709: Failed to configure ffmpeg

[MacPorts]

#46709: Failed to configure ffmpeg
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  Reporter:  wangsix@…  |      Owner:  devans@…
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  ffmpeg     |
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Comment (by devans@…):

 Is zlib installed?
 {{{
 $ port installed zlib
 The following ports are currently installed:
   zlib @1.2.8_0 (active)
 }}}

 and /opt/local/lib/pkgconfig/zlib.pc ?

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Ticket URL: <https://trac.macports.org/ticket/46709#comment:3>
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