[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:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.8.1
Resolution:  fixed       |   Keywords:  snowleopard lion mountainlion
      Port:              |  mavericks yosemite elcapitan sierra highsierra
  switchaudio-osx        |  mojave catalina bigsur
-------------------------+-------------------------------------------------

Comment (by i0ntempest):

 Thanks, I'll put this in as a patch. If anything goes wrong we can always
 switch back.

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Ticket URL: <https://trac.macports.org/ticket/68478#comment:9>
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