[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 kencu):

 I thought we fixed this issue with avx512 [ticket:55800].

 please try `sudo port selfupdate` to bring your tree right up to date, and
 then

 `sudo port clean libvpx` and `sudo port -v install libvpx`

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Ticket URL: <https://trac.macports.org/ticket/55820#comment:3>
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