[MacPorts] #39559: openscad build fails: fatal error: 'IOKit/IOKitLib.h' file not found

[MacPorts]

#39559: openscad build fails: fatal error: 'IOKit/IOKitLib.h' file not found
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  Reporter:  ryandesign@…  |      Owner:  macsforever2000@…
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.1.3
Resolution:                |   Keywords:
      Port:  openscad      |
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Comment (by macsforever2000@…):

 I encountered the same error elsewhere in #38688. Yet I have subsequently
 been able to install that port. Can you please verify that you are
 completely up to date on your Xcode and command line tools?

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Ticket URL: <https://trac.macports.org/ticket/39559#comment:4>
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