diff -Nawurp a/CMakeLists.txt b/CMakeLists.txt --- a/CMakeLists.txt 2019-02-14 00:36:54.000000000 +0000 +++ b/CMakeLists.txt 2019-06-14 22:55:19.335471333 +0000 @@ -73,7 +73,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Windows") endif() if(CMAKE_C_COMPILER_ID STREQUAL "GNU") - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector-strong -fPIE -fPIC -D_FORTIFY_SOURCE=2 -O2 -flto -Wall -Wextra -Wformat -Wformat-security -fvisibility=hidden -march=native") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector-strong -fPIE -fPIC -D_FORTIFY_SOURCE=2 -O2 -flto -Wall -Wextra -Wformat -Wformat-security -fvisibility=hidden -mavx") if(CMAKE_SYSTEM_NAME STREQUAL "Windows") #for Mingw64 support, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65782 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-asynchronous-unwind-tables") endif()