[MacPorts] #47025: poppler: add Qt5 subport and optional test support.

[MacPorts]

#47025: poppler: add Qt5 subport and optional test support.
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  Reporter:  rjvbertin@…  |      Owner:  devans@…
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  poppler      |
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Comment (by devans@…):

 Due to the ongoing Qt5 issues, I've gone ahead and updated poppler to
 version 0.32.0 without poppler-qt5-mac in r133751, r133752.

 However, I did include the unit tests for poppler-qt4-mac and moved the Qt
 version-independent bits to a common section to simplify maintenance by
 reducing duplication when poppler-qt5-mac is ready for prime time.

 This should give some time to work out the build issues with Qt5 and to
 make Qt4 and Qt5 (and therefore poppler-qt4-mac and poppler-qt5-mac)
 parallel installable without conflict.

 An updated patch relative to the committed poppler 0.32.0 is attached.

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Ticket URL: <https://trac.macports.org/ticket/47025#comment:21>
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