[MacPorts] #69447: libjxl build fails on 10.15

[MacPorts]

#69447: libjxl build fails on 10.15
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  Reporter:  ctreleaven  |      Owner:  @…
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  libjxl      |
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Changes (by ctreleaven):

 * Attachment "10.15 2024Mar04 main.log" added.


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Ticket URL: <https://trac.macports.org/ticket/69447>
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