[MacPorts] #70750: MacOS Sequoia: C++ headers are not found with CLTs installed

[MacPorts]

#70750: MacOS Sequoia: C++ headers are not found with CLTs installed
-----------------------+---------------------
  Reporter:  SaintBol  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:  sequoia
      Port:            |
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Comment (by SaintBol):

 Is xcode-select -p useful in this case, or not ?

 {{{
 % xcode-select -p
 /Library/Developer/CommandLineTools
 }}}

 {{{
 % xcode-select -p
 /Applications/Xcode.app/Contents/Developer
 }}}

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Ticket URL: <https://trac.macports.org/ticket/70750#comment:23>
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