config.h: avx2 depends on gcc 4.9 #809
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Build of cryptopp on x86 with gcc 4.8 fails on: chacha_avx.cpp: In function 'void CryptoPP::ChaCha_OperateKeystream_AVX2(const word32*, const byte*, CryptoPP::byte*, unsigned int)': chacha_avx.cpp:98:85: error: '_mm256_broadcastsi128_si256' was not declared in this scope This is due to the fact that _mm256_broadcastsi128_si256 has been added only in gcc 4.9: gcc-mirror/gcc@78e8d5f So bump CRYPTOPP_GCC_VERSION from 4.7 to 4.9 for AVX2 support Fixes: - http://autobuild.buildroot.org/results/195e40b34344f773da51a3fbff9d8e76c517eed1 Signed-off-by: Fabrice Fontaine <[email protected]>
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Build of Cypto++ on x86 with GCC 4.8 fails on:
This is due to the fact that
_mm256_broadcastsi128_si256has been added only in gcc 4.9:So bump
CRYPTOPP_GCC_VERSIONfrom 4.7 to 4.9 for AVX2 supportFixes:
Signed-off-by: Fabrice Fontaine [email protected]