[MacPorts] #60700: Warning: cltversion: The Command Line Tools are installed, but MacPorts cannot determine the version.

[MacPorts]

#60700: Warning: cltversion: The Command Line Tools are installed, but MacPorts
cannot determine the version.
-------------------------+----------------------
  Reporter:  ryandesign  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.2
Resolution:              |   Keywords:  catalina
      Port:              |
-------------------------+----------------------

Comment (by ryandesign):

 I thought that what we had determined was that installing the CLT was
 absolutely necessary if you have upgraded to a version of Xcode that no
 longer provides the SDK for the OS version you're on.

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Ticket URL: <https://trac.macports.org/ticket/60700#comment:7>
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