[MacPorts] #60323: NanoVNA-QT: cc1plus: error: unrecognized command line option "-std=c++0x"

[MacPorts]

#60323: NanoVNA-QT: cc1plus: error: unrecognized command line option "-std=c++0x"
-------------------------+----------------------
  Reporter:  ryandesign  |      Owner:  ra1nb0w
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.6.2
Resolution:              |   Keywords:
      Port:  NanoVNA-QT  |
-------------------------+----------------------

Comment (by ra1nb0w):

 Replying to [comment:4 ryandesign]:
 > I see you committed [c4f9548714e53f9e37840503646a152b348741db/macports-
 ports]. Remember to include the ticket URL in the commit message to link
 things up.

 Ops. right. I need to rembember this point!

 > It's actually libxavna that requires eigen3 and fftw-3. Use trace mode
 to discover these problems before committing.

 I am usualy use otool to checkout which dependencies they need (trace is
 slow - already know issue). Anyway, it needs only eigen3. fftw-3 is used
 by vna_qt application.

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Ticket URL: <https://trac.macports.org/ticket/60323#comment:6>
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