[MacPorts] #50130: ld64 @2 invalid value 'c++11' in '-std=c++11'

[MacPorts]

#50130: ld64 @2  invalid value 'c++11' in '-std=c++11'
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  Reporter:  macports@…  |      Owner:  jeremyhu@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  ld64        |
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Comment (by macports@…):

 It seems the documentation is out of date.  It says to install via the
 Xcode GUI.  I had to install via a separate package as recommended here:

   http://apple.stackexchange.com/questions/44135/command-line-tools-fail-
 to-install-os-x-lion-10-7-3-xcode-4-3#44145

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Ticket URL: <https://trac.macports.org/ticket/50130#comment:8>
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