That's a good point, I believe you could run with generation off if you don't have SSE2. How about add to the top of cryptopp/config.h: #if !defined(_M_X64) && !defined(__x86_64__) #define CRYPTOPP_DISABLE_SSE2 1 #endif that would disable SSE2 for 32-bit builds. (at least with GCC or MSVC)
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