set(CMAKE_SYSTEM_NAME Linux) set(CMAKE_SYSTEM_PROCESSOR arm) set(BUILDROOT_VARIANT "buildroot") set(CMAKE_SYSROOT $ENV{BUILDROOT_SDK_PATH}/aarch64-${BUILDROOT_VARIANT}-linux-gnu/sysroot) set(CMAKE_C_COMPILER clang) set(CMAKE_CXX_COMPILER clang++) set(CMAKE_C_FLAGS "--target=aarch64-linux-gnueabihf -mcpu=cortex-a53") set(CMAKE_CXX_FLAGS "--target=aarch64-linux-gnueabihf -mcpu=cortex-a53") set(CMAKE_EXE_LINKER_FLAGS "-fuse-ld=lld") set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY") set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)