[MacPorts] #50199: gnuplot: opportunistically uses gtk2 when building with wxwidgets enabled

[MacPorts]

#50199: gnuplot: opportunistically uses gtk2 when building with wxwidgets enabled
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  Reporter:  devans@…  |      Owner:  mojca@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  gnuplot   |
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Comment (by mojca@…):

 I committed r144202 (hoping that it fixes the problem for MacPorts; please
 let me know if I'm wrong). But this needs a proper upstream patch. I
 didn't revbump gnuplot, assuming that hardly anyone cares about some extra
 linking and the port will get upgraded sooner or later anyway. If you want
 to revbump the port, feel free to do so, I'm not against it.

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Ticket URL: <https://trac.macports.org/ticket/50199#comment:7>
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