[MacPorts] #64683: bind-9.18.0 build fails when bind-9.16.26 is installed

[MacPorts]

#64683: bind-9.18.0 build fails when bind-9.16.26 is installed
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  Reporter:  laughingtiger  |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.7.1
Resolution:                 |   Keywords:  monterey
      Port:  bind9          |
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Comment (by danielluke):

 ... and it won't end up as an archive because - "bind9" is not
 distributable because its license "MPL" conflicts with license "GPL-3" of
 dependency "libunistring"

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Ticket URL: <https://trac.macports.org/ticket/64683#comment:5>
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