[MacPorts] #60833: qt4-mac: assumes macOS version is always 10.x

[MacPorts]

#60833: qt4-mac: assumes macOS version is always 10.x
-------------------------+-----------------------
  Reporter:  ryandesign  |      Owner:  michaelld
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  bigsur
      Port:  qt4-mac     |
-------------------------+-----------------------

Comment (by michaelld):

 Yup. On my queue to work over the `qt4-mac` Portfile for macOS 11.0 Big
 Sur changes ... a long time coming!

-- 
Ticket URL: <https://trac.macports.org/ticket/60833#comment:2>
MacPorts <https://www.macports.org/>
Ports system for macOS