49 lines
2.2 KiB
CMake
49 lines
2.2 KiB
CMake
set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_SYSTEM_PROCESSOR arm)
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set(CMAKE_C_COMPILER_ID GNU)
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set(CMAKE_CXX_COMPILER_ID GNU)
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# Some default GCC settings
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# arm-none-eabi- must be part of path environment
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set(TOOLCHAIN_PREFIX arm-none-eabi-)
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set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}gcc)
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set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
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set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}g++)
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set(CMAKE_LINKER ${TOOLCHAIN_PREFIX}g++)
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set(CMAKE_OBJCOPY ${TOOLCHAIN_PREFIX}objcopy)
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set(CMAKE_SIZE ${TOOLCHAIN_PREFIX}size)
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set(CMAKE_EXECUTABLE_SUFFIX_ASM ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_C ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_CXX ".elf")
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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# MCU specific flags
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set(TARGET_FLAGS "${STM32_MCU_FLAGS}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${TARGET_FLAGS}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -fdata-sections -ffunction-sections -fstack-usage")
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set(CMAKE_ASM_FLAGS "${CMAKE_C_FLAGS} -x assembler-with-cpp -MMD -MP")
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# The cyclomatic-complexity parameter must be defined for the Cyclomatic complexity feature in STM32CubeIDE to work.
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# However, most GCC toolchains do not support this option, which causes a compilation error; for this reason, the feature is disabled by default.
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# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcyclomatic-complexity")
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set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
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set(CMAKE_C_FLAGS_RELEASE "-Os -g0")
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set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g3")
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set(CMAKE_CXX_FLAGS_RELEASE "-Os -g0")
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set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -fno-rtti -fno-exceptions -fno-threadsafe-statics")
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set(CMAKE_EXE_LINKER_FLAGS "${TARGET_FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -T \"${CMAKE_SOURCE_DIR}/${STM32_LINKER_SCRIPT}\"")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --specs=nano.specs")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-Map=${CMAKE_PROJECT_NAME}.map -Wl,--gc-sections")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--print-memory-usage")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${STM32_LINKER_OPTION}")
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set(TOOLCHAIN_LINK_LIBRARIES "m")
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