[MacPorts] #41353: saga: revbump after wxWidgets upgrade and use the wxWidgets PortGroup

[MacPorts]

#41353: saga: revbump after wxWidgets upgrade and use the wxWidgets PortGroup
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 Reporter:  mojca@…      |      Owner:  vince@…
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  saga
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 I'm attaching the patch with the changes I would like to see in the
 `Portfile`. In the long run I would actually like to see upstream to be
 fixed in such a way that it would allow specifying which `wx-config` to
 use rather than hardcoding it all over the place.

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Ticket URL: <https://trac.macports.org/ticket/41353>
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