[MacPorts] #68478: switchaudio-osx @1.2.2: fatal error: 'CoreAudio/AudioHardwareBase.h' file not found

[MacPorts]

#68478: switchaudio-osx @1.2.2: fatal error: 'CoreAudio/AudioHardwareBase.h' file
not found
-------------------------+-------------------------------------------------
  Reporter:  RobK88      |      Owner:  i0ntempest
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.8.1
Resolution:              |   Keywords:  snowleopard lion mountainlion
      Port:              |  mavericks yosemite elcapitan sierra highsierra
  switchaudio-osx        |  mojave catalina bigsur
-------------------------+-------------------------------------------------

Comment (by RobK88):

 I agree Ryan.  It looks like the `readme.md` file on the project's GitHub
 page is out of date since the latest source code rely on new symbols that
 are only available on macOS 12 Monterey and later.

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Ticket URL: <https://trac.macports.org/ticket/68478#comment:3>
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