set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_VERSION Cortex-M3-STM32F1)

set(CMAKE_C_COMPILER arm-none-eabi-gcc)
set(CMAKE_CXX_COMPILER arm-none-eabi-g++)


set(ARM_OPTIONS -mcpu=cortex-m4 -mfloat-abi=soft --specs=nano.specs)

add_compile_options(
        ${ARM_OPTIONS}
        -fmessage-length=0
        -funsigned-char
        -ffunction-sections
        -fdata-sections
        -MMD
        -MP
)


add_link_options(
        ${ARM_OPTIONS}
        --specs=rdimon.specs
        -u_printf_float
        -u_scanf_float
        -nostartfiles
        LINKER:--gc-sections
        LINKER:--build-id
)


set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)