48 lines
2.0 KiB
CMake
48 lines
2.0 KiB
CMake
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_SYSTEM_PROCESSOR arm)
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set(CMAKE_C_COMPILER_FORCED TRUE)
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set(CMAKE_CXX_COMPILER_FORCED TRUE)
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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 ${TOOLCHAIN_PREFIX}size)
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set(CMAKE_EXECUTABLE_SUFFIX_ASM ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_C ".elf")
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set(CMAKE_EXECUTABLE_SUFFIX_CXX ".elf")
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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# MCU specific flags
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set(TARGET_FLAGS "-mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard ")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${TARGET_FLAGS}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wpedantic -fdata-sections -ffunction-sections")
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if(CMAKE_BUILD_TYPE MATCHES Debug)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -g3")
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endif()
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if(CMAKE_BUILD_TYPE MATCHES Release)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Os -g0")
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endif()
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set(CMAKE_ASM_FLAGS "${CMAKE_C_FLAGS} -x assembler-with-cpp -MMD -MP")
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set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -fno-rtti -fno-exceptions -fno-threadsafe-statics")
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set(CMAKE_C_LINK_FLAGS "${TARGET_FLAGS}")
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -T \"${CMAKE_SOURCE_DIR}/STM32G473CEUx_FLASH.ld\"")
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} --specs=nano.specs")
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,-Map=${CMAKE_PROJECT_NAME}.map -Wl,--gc-sections")
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--start-group -lc -lm -Wl,--end-group")
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--print-memory-usage")
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set(CMAKE_CXX_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -Wl,--start-group -lstdc++ -lsupc++ -Wl,--end-group")
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