[MacPorts] #44193: qt: allow side by side installation of qt4-mac and qt5-mac

[MacPorts]

#44193: qt: allow side by side installation of qt4-mac and qt5-mac
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  Reporter:  mojca@…           |      Owner:  mcalhoun@…
      Type:  enhancement       |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:
Resolution:                    |   Keywords:
      Port:  qt4-mac, qt5-mac  |
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Comment (by mojca@…):

 Two points:
 * Breaking the Qt might be unavoidable, but I would prefer if that would
 be done '''just once''' rather than committing some minimal subset now and
 then doing another incompatible commit (requiring a revbump of all
 dependents) with all the desired fixes again one month from now.
 * If we would have to support two or more flavours of Qt (for example
 qt5-mac and qt5-kde) and two variants of all the dependent ports just
 because qt{4|5}-mac is not configured properly to support KDE
 applications, that is a very stupid reason to ship two incompatible ports
 and a great recipe to introduce more confusion. Please let's make sure
 that qt{4|5} works for everyone (including KDE), so that there won't be
 any need for "workaround ports".

-- 
Ticket URL: <https://trac.macports.org/ticket/44193#comment:72>
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