set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR aarch64)
set(CMAKE_C_COMPILER   aarch64-none-linux-gnu-gcc)
set(CMAKE_CXX_COMPILER aarch64-none-linux-gnu-g++)
# 필요 시 sysroot가 있다면 아래 주석을 해제하고 경로 지정
# set(CMAKE_SYSROOT /path/to/sysroot)
# set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
# set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
# set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)