[MacPorts] #58653: Some portfiles fail to parse under linux

[MacPorts]

#58653: Some portfiles fail to parse under linux
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  Reporter:  mojca                               |      Owner:  (none)
      Type:  defect                              |     Status:  new
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:
Resolution:                                      |   Keywords:
      Port:  botan chicken fpc gnuradio macos-   |
  vpn-server mlt octave psi py-eric-ide qt4-mac  |
  texworks wireshark22                           |
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Comment (by RJVB):

 AFAIK the qt4 error comes from the Qt4 PortGroup, why not fix it there
 rather than introduce the same code everywhere? The Qt4 PG would still
 need to be fixed because of all the ports that don't have a Qt5 variant
 (e.g. the KDE4 ports).

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Ticket URL: <https://trac.macports.org/ticket/58653#comment:11>
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