From c484938fb4a57430a2e47334f753b1d771aa0f1b Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Thu, 21 Feb 2019 20:26:24 +0100 Subject: [PATCH] config.h: avx2 depends on gcc 4.9 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: https://github.com/gcc-mirror/gcc/commit/78e8d5ffbf0ba5031b736d2c6fc6a44605047cbc 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 [Upstream status: https://github.com/weidai11/cryptopp/pull/809] --- config.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/config.h b/config.h index eccba009..4516d2b3 100644 --- a/config.h +++ b/config.h @@ -591,7 +591,7 @@ NAMESPACE_END // Requires Binutils 2.24 #if !defined(CRYPTOPP_DISABLE_AVX2) && defined(CRYPTOPP_AVX_AVAILABLE) && \ (defined(__AVX2__) || (CRYPTOPP_MSC_VERSION >= 1800) || (__SUNPRO_CC >= 0x5130) || \ - (CRYPTOPP_GCC_VERSION >= 40700) || (__INTEL_COMPILER >= 1400) || \ + (CRYPTOPP_GCC_VERSION >= 40900) || (__INTEL_COMPILER >= 1400) || \ (CRYPTOPP_LLVM_CLANG_VERSION >= 30100) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40600)) #define CRYPTOPP_AVX2_AVAILABLE 1 #endif -- 2.14.1