[MacPorts] #70750: C++ headers are not found after updating to CLTs version 16.0

[MacPorts]

#70750: C++ headers are not found after updating to CLTs version 16.0
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  Reporter:  SaintBol  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  sequoia sonoma
      Port:            |
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Comment (by jmroot):

 Replying to [comment:49 EvilJordan]:
 > UPDATE: ok, that super-didn't work. Lots of failures on later ports.
 Going to try again by removing `CommandLineTools` completely.

 What kind of failures? If it's not a standard C++ header failing to be
 found, please open a new ticket.

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Ticket URL: <https://trac.macports.org/ticket/70750#comment:57>
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