[MacPorts] #55820: libvpx @1.7.0: vpx_dsp/x86/sad4d_avx512.c fails build El Capitan

[MacPorts]

#55820: libvpx @1.7.0: vpx_dsp/x86/sad4d_avx512.c fails build El Capitan
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  Reporter:  sunoterra  |      Owner:  dbevans
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.4.2
Resolution:             |   Keywords:  elcapitan
      Port:  libvpx     |
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Comment (by sunoterra):

 Replying to [comment:6 kencu]:
 > the buildbots <http://packages.macports.org/libvpx/> seemed to like the
 fix, so it should work on your system in the end...

 after repeating steps 4a - 4f of the [wiki:Migration] guide, the libvpx
 port now builds as expected. 🎉

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Ticket URL: <https://trac.macports.org/ticket/55820#comment:7>
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