[MacPorts] #49303: qt4-mac: Update to 4.8.7_2 Breaks CMake

[MacPorts]

#49303: qt4-mac: Update to 4.8.7_2 Breaks CMake
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  Reporter:  digitalriptide@…  |      Owner:  michaelld@…
      Type:  defect            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.3.4
Resolution:                    |   Keywords:
      Port:  qt4-mac           |
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Comment (by mojca@…):

 While Qt4 and Qt5 might live hidden somewhere, I don't see any technical
 reason why FindQt4.cmake would not be able to find Qt. It's called
 `FindQt4`, not `FindQt` after all. I agree that it's bad if users have to
 set additional variables when everything could work out of the box. If
 nothing else we could patch `FindQt4.cmake` itself to know where to look
 for files. (Or use René's ideas of packaging Qt.)

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Ticket URL: <https://trac.macports.org/ticket/49303#comment:19>
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