[MacPorts] #70655: Qt6-qtbase, missing #include and an issue for (some) older systems

[MacPorts]

#70655: Qt6-qtbase, missing #include and an issue for (some) older systems
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  Reporter:  Gandoon     |      Owner:  MarcusCalhoun-Lopez
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.10.1
Resolution:              |   Keywords:
      Port:  qt6-qtbase  |
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Comment (by ryandesign):

 Replying to [ticket:70655 Gandoon]:
 > This is really a problem that should be pushed upstream

 Right, assuming these problems are not in patchfiles that we have added to
 the port, please report these problems to the developers of Qt so that it
 can be fixed at the source.

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Ticket URL: <https://trac.macports.org/ticket/70655#comment:2>
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