[MacPorts] #50768: wxWidgets: create a new port to hold common files

[MacPorts]

#50768: wxWidgets: create a new port to hold common files
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  Reporter:  mojca@…                             |      Owner:  mojca@…
      Type:  enhancement                         |     Status:  new
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:
Resolution:                                      |   Keywords:
      Port:  wxWidgets-2.8 wxWidgets-3.0         |
  wxWidgets_select                               |
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Comment (by mojca@…):

 Other changes related to wxWidgets: #50701 (that might make sense to
 commit immediately one after the other).

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Ticket URL: <https://trac.macports.org/ticket/50768#comment:1>
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