[MacPorts] #53055: ffmpeg: Undefined symbols from libavcodec "_xvid_plugin_2pass2" "_xvid_plugin_single"

[MacPorts]

#53055: ffmpeg: Undefined symbols from libavcodec "_xvid_plugin_2pass2"
"_xvid_plugin_single"
--------------------------+----------------------
  Reporter:  platipodium  |      Owner:  dbevans
      Type:  defect       |     Status:  accepted
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  ffmpeg       |
--------------------------+----------------------
Changes (by dbevans):

 * status:  assigned => accepted


Comment:

 I'm unable to reproduce this issue on Sierra and the log file attached is
 not that of a clean build.  Please make sure your port tree is up-to-date
 and try again after cleaning ffmpeg.  If the failure appears again you
 should then submit the full log produced. The log should show not only the
 build failure itself but all steps leading up to it,  Also indicate if you
 are using any non-default variants.
 {{{
 sudo port sync
 sudo port clean ffmpeg
 sudo port install ffmpeg
 }}}

 Thanks for your help

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Ticket URL: <https://trac.macports.org/ticket/53055#comment:2>
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