[MacPorts] #44062: root6: make it work on 10.6

[MacPorts]

#44062: root6: make it work on 10.6
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  Reporter:  mojca@…  |      Owner:  mojca@…
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:  snowleopard
      Port:  root6    |
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Comment (by jonesc@…):

 Replying to [comment:40 mojca@…]:
 > I don't think that `libc++` is supported on < 10.6.
 >
 > One could in principle use gcc 4.8 though, but that means that other
 changes are needed. So maybe we could rewrite the error message ...

 Good point... I think the error message is fine. The user base for <10.6
 is probably pretty minimal...

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Ticket URL: <https://trac.macports.org/ticket/44062#comment:41>
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