[MacPorts] #59496: dependency problem on Lion (probably related to gcc9?)

[MacPorts]

#59496: dependency problem on Lion (probably related to gcc9?)
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  Reporter:  lemzwerg        |      Owner:  (none)
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  lion
      Port:  lilypond-devel  |
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Comment (by kencu):

 He posted that already.

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Ticket URL: <https://trac.macports.org/ticket/59496#comment:12>
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