m4_init/toolchain.cmake

# Toolchain
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_PROCESSOR arm)
set(pfx arm-none-eabi)
set(CMAKE_C_COMPILER ${pfx}-gcc)
set(CMAKE_CXX_COMPILER ${pfx}-g++)
set(CMAKE_EXE_LINKER_FLAGS "--specs=nosys.specs" CACHE INTERNAL "")
set(OBJCOPY ${pfx}-objcopy CACHE INTERNAL "")
#set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections --specs=nano.specs --specs=nosys.specs -mthumb -mabi=aapcs -Wl,-Map=${CMAKE_PROJECT_NAME}.map" CACHE INTERNAL "Linker options")
set(CMAKE_C_FLAGS "-mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 ")
set(CMAKE_ASM_FLAGS "-mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 ")
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)