[MacPorts] #51309: libproxy @0.4.13 fails to build against libstdc++ (requires C++11) (was: libproxy @0.4.13 fails to build against libstdc++)

[MacPorts]

#51309: libproxy @0.4.13 fails to build against libstdc++ (requires C++11)
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  Reporter:  braumann@…  |      Owner:  macports-tickets@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:
      Port:  libproxy    |
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Comment (by jeremyhu@…):

 That method was added in C++11.

 http://www.cplusplus.com/reference/map/map/at/

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Ticket URL: <https://trac.macports.org/ticket/51309#comment:5>
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