[MacPorts] #58794: Povray terminates due to uncaught exception: 'NSWindow drag regions should only be invalidated on the Main Thread!'

[MacPorts]

#58794: Povray terminates due to uncaught exception: 'NSWindow drag regions should
only be invalidated on the Main Thread!'
---------------------+--------------------
  Reporter:  myan18  |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  povray  |
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Comment (by fstonedahl):

 Until this gets fixed upstream, here's a work-around:  I found that you
 can pass the **-D** command-line option to povray, to get it to render in
 the background (i.e., without displaying the image as it progresses), and
 it should still generate the PNG file output just fine.

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Ticket URL: <https://trac.macports.org/ticket/58794#comment:5>
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