[MacPorts] #46507: QtCurve update with support for Qt5

[MacPorts]

#46507: QtCurve update with support for Qt5
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  Reporter:  RJVB         |      Owner:  mkae
      Type:  enhancement  |     Status:  accepted
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch maintainer
      Port:  QtCurve      |
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Comment (by RJVB):

 Yes. I've started cleaning up the patchfiles; you can skip the `old`
 directory and even the `alt` directory (contains some alternative settings
 that interested people might want to play with).

 (I just tested QtCurve-qt5 builds fine +qtonly).

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Ticket URL: <https://trac.macports.org/ticket/46507#comment:16>
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