[MacPorts] #52473: John-Jumbo does not build on macOS 10.12 + XCode 8.0.0

[MacPorts]

#52473: John-Jumbo does not build on macOS 10.12 + XCode 8.0.0
------------------------+--------------------------------
  Reporter:  newsoft@…  |      Owner:  macports-tickets@…
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.3.4
Resolution:             |   Keywords:
      Port:             |
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Comment (by newsoft@…):

 With proper formatting:
 {{{
 :info:build rawSHA1_ng_fmt.c:535:19: error: redefinition of
 '_mm_testz_si128'
 :info:build static inline int _mm_testz_si128 (m128i M, m128i V)
 :info:build
 :info:build
 /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.0.0/include/smmintrin.h:252:1:
 note: previous definition is here
 :info:build _mm_testz_si128(m128i M, m128i V)
 :info:build
 :info:build 1 error generated.
 :info:build make[1]: * [rawSHA1_ng_fmt.o] Error 1
 :info:build make[1]: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_sysutils_john
 /john-jumbo/work/john-1.7.9-jumbo-7/src'
 :info:build make: * [macosx-x86-64] Error 2 ...
 }}}

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Ticket URL: <https://trac.macports.org/ticket/52473#comment:1>
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