set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)

set(TOOLCHAIN_ROOT_PATH "${CMAKE_CURRENT_SOURCE_DIR}/toolchain/arm-rockchip830-linux-uclibcgnueabihf")

set(CMAKE_C_COMPILER "${TOOLCHAIN_ROOT_PATH}/bin/arm-rockchip830-linux-uclibcgnueabihf-gcc")
set(CMAKE_CXX_COMPILER "${TOOLCHAIN_ROOT_PATH}/bin/arm-rockchip830-linux-uclibcgnueabihf-g++")

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_C_FLAGS "-march=armv7-a -mfloat-abi=hard -mfpu=neon")
set(CMAKE_CXX_FLAGS "-march=armv7-a -mfloat-abi=hard -mfpu=neon")

# cache flags
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags")