set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR armv7)

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

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=cortex-a9 -marm -mfpu=neon" CACHE STRING "c++ flags")
set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} -mcpu=cortex-a9 -marm -mfpu=neon" CACHE STRING "c flags")