set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR armv8-a)

set(CMAKE_C_COMPILER gcc)
set(CMAKE_CXX_COMPILER g++)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv8-a -mtune=cortex-a53" CACHE STRING "c++ flags")
set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} -march=armv8-a -mtune=cortex-a53" CACHE STRING "c flags")