[MacPorts] #60839: gnuradio @3.8.1.0_0 not building on 10.11 and older, also 10.13 fails

[MacPorts]

#60839: gnuradio @3.8.1.0_0 not building on 10.11 and older, also 10.13 fails
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  Reporter:  snowflake  |      Owner:  michaelld
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.99
Resolution:             |   Keywords:
      Port:  gnuradio   |
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Comment (by michaelld):

 I'll load up an older OSX and test shortly too.

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Ticket URL: <https://trac.macports.org/ticket/60839#comment:3>
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