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

[MacPorts]

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

Comment (by macports@…):

 It looks like it failed to install, then.  I tried re-installing and I get
 the message:

 {{{
 The package “BluetoothSDK.pkg” is untrusted.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/50130#comment:7>
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