[MacPorts] #36364: gcc47, gcc48: Missing support for std::this_thread::sleep_for/sleep_until

[MacPorts]

#36364: gcc47, gcc48: Missing support for std::this_thread::sleep_for/sleep_until
----------------------------+----------------------
  Reporter:  l.digaspero@…  |      Owner:  jeremyhu
      Type:  defect         |     Status:  closed
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.1.2
Resolution:  fixed          |   Keywords:
      Port:  gcc47 gcc48    |
----------------------------+----------------------

Comment (by cooljeanius):

 Replying to [comment:15 howarth@…]:
 > Fixed upstream for gcc 4.8.0 by effectively defaulting to --enable-
 libstdcxx-time=yes on darwin.[[BR]]
 > [[BR]]
 > http://gcc.gnu.org/ml/libstdc++-cvs/2012-q4/msg00045.html

 Actually wait, if this went into gcc 4.8.0, then I guess the answer to my
 previous question is a "no"? If that's the case, then why have we been
 carrying around that configure flag in all successive gcc versions after
 this?

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Ticket URL: <https://trac.macports.org/ticket/36364#comment:22>
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