[MacPorts] #54333: ffmpeg-devel @20170615_0 does not build on Mac OS X 10.6.8, Snow Leopard, because of missing vda_framework pthreads

[MacPorts]

#54333: ffmpeg-devel @20170615_0 does not build on Mac OS X 10.6.8, Snow Leopard,
because of missing vda_framework pthreads
---------------------------+-------------------------
  Reporter:  ballapete     |      Owner:  dbevans
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.4.1
Resolution:                |   Keywords:  snowleopard
      Port:  ffmpeg-devel  |
---------------------------+-------------------------

Comment (by ballapete):

 Replying to [comment:5 kencu]:

 Why do I have to manipulate the building mechanism? Isn't port meant to
 adapt the packages to the system it is building them on? Is port not able
 to perform? Then it either should be repaired or something else used
 instead of it.

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Ticket URL: <https://trac.macports.org/ticket/54333#comment:6>
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