[MacPorts] #54870: Update JACK 0.124.1 and add jack2

[MacPorts]

#54870: Update JACK 0.124.1 and  add jack2
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  Reporter:  sletz   |      Owner:
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  jack    |
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Comment (by kurthindenburg):

 I can't get the current version or new 0.125 to actually work.  When I get
 it to not crash, it hangs up when used.  Also trying to get jack2 to
 compile isn't going well.

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Ticket URL: <https://trac.macports.org/ticket/54870#comment:10>
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