[MacPorts] #70867: clang-17: Undefined symbols: __availability_version_check

[MacPorts]

#70867: clang-17: Undefined symbols: __availability_version_check
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  Reporter:  ryandesign              |      Owner:  mohd-akram
      Type:  defect                  |     Status:  reopened
  Priority:  Normal                  |  Milestone:
 Component:  ports                   |    Version:  2.10.1
Resolution:                          |   Keywords:  highsierra, elcapitan,
      Port:  odin, clang-17,         |  yosemite, mavericks, mountainlion,
  clang-18                           |  lion, snowleopard
-------------------------------------+-------------------------------------

Comment (by kencu):

 I thought I'd pretty clearly indicated what the problem was and which
 systems were affected above, but ignore that if you choose, of course.

 I'll leave the trivial patch to someone who has the systems going and will
 test it.

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Ticket URL: <https://trac.macports.org/ticket/70867#comment:14>
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