[MacPorts] #60536: gnuradio @3.7.13.5_6: Port 'gnuradio' uses the cxx11 PortGroup which is deprecated.

[MacPorts]

#60536: gnuradio @3.7.13.5_6: Port 'gnuradio' uses the cxx11 PortGroup which is
deprecated.
--------------------+----------------------
 Reporter:  xhale   |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.6.2
 Keywords:          |       Port:  gnuradio
--------------------+----------------------
 {{{
 Warning:
 -----------------------------------------------------------------------
 Warning: The port 'gnuradio' uses the cxx11 PortGroup which is deprecated.
 Warning: Please instead specify the required c++ standard directly using
 Warning:     compiler.cxx_standard  2011
 Warning: replacing 2011 with newer standards (e.g. 2014, 2017) as
 required.
 Warning: For more details see
 https://trac.macports.org/wiki/CompilerSelection
 Warning:
 -----------------------------------------------------------------------
 }}}

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Ticket URL: <https://trac.macports.org/ticket/60536>
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