ref: a160f264f3affc3e32bba0933399c5074cd7d5c7
dir: /toolchain/cortex-m4.cmake/
# Name of the target SET(CMAKE_SYSTEM_NAME Generic) set(CMAKE_SYSTEM_PROCESSOR cortex-m4) # Toolchain settings set(CMAKE_C_COMPILER arm-none-eabi-gcc) set(CMAKE_CXX_COMPILER arm-none-eabi-g++) set(AS arm-none-eabi-as) set(AR arm-none-eabi-ar) set(OBJCOPY arm-none-eabi-objcopy) set(OBJDUMP arm-none-eabi-objdump) set(SIZE arm-none-eabi-size) set(CMAKE_C_FLAGS "-mthumb -mcpu=cortex-m4 -fno-builtin -Wall -std=gnu99 -fdata-sections -ffunction-sections" CACHE INTERNAL "c compiler flags") set(CMAKE_CXX_FLAGS "-mthumb -mcpu=cortex-m4 -fno-builtin -Wall -fdata-sections -ffunction-sections" CACHE INTERNAL "cxx compiler flags") set(CMAKE_ASM_FLAGS "-mthumb -mcpu=cortex-m4" CACHE INTERNAL "asm compiler flags") set(CMAKE_EXE_LINKER_FLAGS "-nostartfiles -Wl,--gc-sections -mthumb -mcpu=cortex-m4" CACHE INTERNAL "exe link flags") SET(CMAKE_C_FLAGS_DEBUG "-O2 -g -ggdb3" CACHE INTERNAL "c debug compiler flags") SET(CMAKE_CXX_FLAGS_DEBUG "-O2 -g -ggdb3" CACHE INTERNAL "cxx debug compiler flags") SET(CMAKE_ASM_FLAGS_DEBUG "-g -ggdb3" CACHE INTERNAL "asm debug compiler flags") SET(CMAKE_C_FLAGS_RELEASE "-Os" CACHE INTERNAL "c release compiler flags") SET(CMAKE_CXX_FLAGS_RELEASE "-Os" CACHE INTERNAL "cxx release compiler flags") SET(CMAKE_ASM_FLAGS_RELEASE "" CACHE INTERNAL "asm release compiler flags")