[MacPorts] #51573: opencv failing because libpng dependency not present

[MacPorts]

#51573: opencv failing because libpng dependency not present
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  Reporter:  bradnull@…  |      Owner:  macports-tickets@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:  opencv libpng
      Port:  opencv      |
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Comment (by bradnull@…):

 The main.log has our URL omitted per request of IT, but we have a mirror
 of the macports servers here. I've also looked at
 http://distfiles.macports.org/libpng/ and the proper version is not there
 either. Thanks for the speedy reply!

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Ticket URL: <https://trac.macports.org/ticket/51573#comment:3>
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