[MacPorts] #50448: Change filenames of binary packages built against libc++ on < 10.9

[MacPorts]

#50448: Change filenames of binary packages built against libc++ on < 10.9
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  Reporter:  mojca        |      Owner:  mojca
      Type:  enhancement  |     Status:  assigned
  Priority:  High         |  Milestone:  MacPorts 2.5.0
 Component:  base         |    Version:  2.4.0
Resolution:               |   Keywords:
      Port:               |
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Comment (by ryandesign):

 Replying to [comment:17 RJVB]:
 > branch off port trees for legacy systems

 I don't want to discuss that suggestion in this ticket.

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Ticket URL: <https://trac.macports.org/ticket/50448#comment:18>
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