set(CMAKE_C_COMPILER /usr/bin/arm-none-eabi-gcc)
set(CMAKE_C_COMPILER_WORKS 1)

set(ARM-SYSROOT /usr/arm-none-eabi)

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -marm")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv6zk+fp")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mcpu=arm1176jzf-s")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mtune=arm1176jzf-s")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --sysroot=${ARM-SYSROOT}" CACHE INTERNAL "" FORCE)

set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} --sysroot=${ARM-SYSROOT}" CACHE INTERNAL "" FORCE)

set(CMAKE_FIND_ROOT_PATH ${ARM-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)