cmake HAVE_CLANG_MAVX examples

google/snappy CMakeLists.txt :125 

CHECK_CXX_COMPILER_FLAG("-mavx" HAVE_CLANG_MAVX)

google/snappy CMakeLists.txt :133 

endif(HAVE_CLANG_MAVX)

google/snappy CMakeLists.txt :143 

endif(HAVE_CLANG_MAVX)