[MacPorts] #46536: qt5-mac-devel submission: provides Qt 5.4.x

[MacPorts]

#46536: qt5-mac-devel submission: provides Qt 5.4.x
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  Reporter:  rjvbertin@…    |      Owner:  macports-tickets@…
      Type:  submission     |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:
Resolution:                 |   Keywords:
      Port:  qt5-mac-devel  |
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Comment (by rjvbertin@…):

 Another update:

 - The qt5-mac-(devel-)sqlite3-plugin has been rolled back into the main
 port. Rationale: the plugin is required by Assistant.app, which is part of
 the main port.

 - The +universal build has been tested; so far the main port builds and
 functions correctly (mostly) in UB mode. There may be an issue building
 other Qt components in universal mode, this is still under investigation

 - I've included a new version of the QStandardPaths patch, based on the
 approach described here
 (https://bugreports.qt.io/browse/QTBUG-44473?focusedCommentId=275639) but
 targeting only code used on OS X. No change has been made yet to the build
 system, but the idea is that qmake and/or cmake will provide a switch that
 leads to the incorporation of an additional module at link time which
 switches the QStandardPaths class to XDG mode. Without that module, the
 class returns the usual locations expected on OS X.

 NB: help with this patch will be greatly appreciated, esp. with modifying
 the build systems!

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Ticket URL: <https://trac.macports.org/ticket/46536#comment:13>
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