[MacPorts] #53236: Run time exception in gqrx caused by gnuradio log

[MacPorts]

#53236: Run time exception in gqrx caused by gnuradio log
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  Reporter:  nr0q    |      Owner:
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.3.5
Resolution:          |   Keywords:
      Port:  gqrx    |
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Comment (by kencu):

 I also made a very tiny patch in clang-3.7, clang-3.8, and clang-3.9 to
 make them default to adding stdlib=libc++ instead of stdlib=libstdc++ if
 no stdlib was specified, on all systems. The patch is available in my
 SnowLeopardPorts repo for anyone interested in trying it.

 This little change has solved tons of problems on these older systems by
 making them match the behaviour of all the newer ( > 10.8 ) systems, to
 which most of the current portfiles have been written.

 However it is not default behaviour, and so Jeremy is not keen on this for
 general use at present. I have to say, though, for users of these old
 systems, all which need to have libc++ installed to allow clang-3.7+ to
 run, it does seem to me to be a pretty sweet fix. But I defer to Jeremy
 here, of course.

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Ticket URL: <https://trac.macports.org/ticket/53236#comment:10>
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