[MacPorts] #62338: Port fails to detect MacOS 11.2 SDK command line libraries on M1 Macbook Pro

[MacPorts]

#62338: Port fails to detect MacOS 11.2 SDK command line libraries on M1 Macbook
Pro
------------------------+--------------------
  Reporter:  monokrome  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  High       |  Milestone:
 Component:  base       |    Version:  2.6.4
Resolution:             |   Keywords:
      Port:             |
------------------------+--------------------
Changes (by monokrome):

 * Attachment "Screen Shot 2021-02-20 at 5.27.32 PM.png" added.

 screenshot showing the error, "Warning: The macOS 11.2 SDK does not appear
 to be installed. Ports may not build correctly.", xcode-install showing
 it's up-to-date, and System Preferences showing that the system is up-to-
 date.

-- 
Ticket URL: <https://trac.macports.org/ticket/62338>
MacPorts <https://www.macports.org/>
Ports system for macOS