set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR aarch64)
set(CMAKE_C_COMPILER aarch64-linux-gnu-gcc)
set(CMAKE_CXX_COMPILER aarch64-linux-gnu-g++)
set(CMAKE_FIND_ROOT_PATH "/usr/local/aarch64-linux-gnu")
set(PKG_CONFIG_EXECUTABLE "/usr/bin/aarch64-linux-gnu-pkg-config")