Michael Lass 7a9a4dbc4f Fix detection of AVX512 capable compilers in getarch ...

21eda8b5 introduced a check in getarch.c to test if the compiler is capable of
AVX512. This check currently fails, since the used __AVX2__ macro is only
defined if getarch itself was compiled with AVX2/AVX512 support. Make sure this
is the case by building getarch with -march=native on x86_64. It is only
supposed to run on the build host anyway.

2019-06-05 17:30:56 +02:00

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