[MacPorts] #61435: use_xcode default value is incorrect on macOS 11.0

[MacPorts]

#61435: use_xcode default value is incorrect on macOS 11.0
----------------------+----------------------------
  Reporter:  nicst35  |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:  MacPorts 2.6.4
 Component:  base     |    Version:  2.6.99
Resolution:           |   Keywords:  bigsur
      Port:           |
----------------------+----------------------------

Comment (by ryandesign):

 Replying to [comment:1 jmroot]:
 > My guess would be the file `/usr/lib/libxcselect.dylib` doesn't exist on
 Big Sur?

 Correct, it doesn't exist.

-- 
Ticket URL: <https://trac.macports.org/ticket/61435#comment:4>
MacPorts <https://www.macports.org/>
Ports system for macOS