[MacPorts] #60059: okular @0.20.3 unable to find pdf plugin

[MacPorts]

#60059: okular @0.20.3 unable to find pdf plugin
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  Reporter:  jkeller2017  |      Owner:  NicosPavlov
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.6.2
Resolution:               |   Keywords:
      Port:  okular       |
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Comment (by jkeller2017):

 Hi,

 Thank you for your reply. Unfortunately, it didn't work. I created a local
 port inserting the Portfile files with the modification (with the 2 extra
 lines). Then I removed okular, built the new local port (I am sure it
 reads the new Portfile file: at the beginning I forgot to add in /files
 patch-class-visibility-for-dynamic_cast.diff and it couldn't build), and
 installed it. I get the same error message as above for this new version
 of okular.
 Isn't there another thing to fix somewhere else ?
 Thanks for the help.

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Ticket URL: <https://trac.macports.org/ticket/60059#comment:5>
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