[MacPorts] #53605: get GCC to use libc++?

[MacPorts]

#53605: get GCC to use libc++?
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  Reporter:  RJVB       |      Owner:
      Type:  request    |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  gcc6 gcc7  |
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Comment (by kencu):

 I would just reiterate that this whole line of work (monkeying with newer
 clangs to make them compatible with gcc4-ABI, and this suggestion above)
 are ONLY because we can't seem to come up with a consensus on setting up
 libc++ buildbots for <10.9.

 IMHO, this is all more or less a big waste of time, sends us down the
 wrong path, and will in the end cause confusion.

 Let's change the builtbots to libc++ (which certainly can be done) OR add
 libc / libstdc to the filenames (or some more difficult and unlikely
 metadata solution), and get everyone on board with libc++ (which I think
 we would all agree is the proper fix for this).

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Ticket URL: <https://trac.macports.org/ticket/53605#comment:1>
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