[MacPorts] #57012: mosh @1.3.2_1+perl5_26 fails to build

[MacPorts]

#57012: mosh @1.3.2_1+perl5_26 fails to build
---------------------+--------------------------
  Reporter:  tehcog  |      Owner:  tobypeterson
      Type:  defect  |     Status:  closed
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.5.3
Resolution:  fixed   |   Keywords:
      Port:  mosh    |
---------------------+--------------------------

Comment (by kencu):

 Revbumping alone will not work, I don't think. `mosh` needed `-std=c++11`
 added to the build line.

 Do any `XCode clangs` default to `c++11` now? Only the very most recent of
 the OSS clangs do.

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Ticket URL: <https://trac.macports.org/ticket/57012#comment:10>
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