47 lines
1.4 KiB
CMake
47 lines
1.4 KiB
CMake
set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_C_COMPILER "arm-none-eabi-gcc")
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set(CMAKE_CXX_COMPILER "arm-none-eabi-g++")
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set(CMAKE_ASM_COMPILER "arm-none-eabi-gcc")
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set(CMAKE_SIZE "arm-none-eabi-size" CACHE FILEPATH "")
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set(CMAKE_OBJCOPY "arm-none-eabi-objcopy" CACHE FILEPATH "")
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set(CMAKE_OBJDUMP "arm-none-eabi-objdump" CACHE FILEPATH "")
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set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
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# Look for includes and libraries only in the target system prefix.
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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# pass TOOLCHAIN_CPU to
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set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_SYSTEM_PROCESSOR)
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include(${CMAKE_CURRENT_LIST_DIR}/../cpu/${CMAKE_SYSTEM_PROCESSOR}.cmake)
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# enable all possible warnings for building examples
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list(APPEND TOOLCHAIN_COMMON_FLAGS
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-fdata-sections
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-ffunction-sections
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-fsingle-precision-constant
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-fno-strict-aliasing
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)
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set(TOOLCHAIN_EXE_LINKER_FLAGS
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-Wl,--print-memory-usage
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-Wl,--gc-sections
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-Wl,--cref
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)
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include(${CMAKE_CURRENT_LIST_DIR}/set_flags.cmake)
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# try_compile is cmake test compiling its own example,
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# pass -nostdlib to skip stdlib linking
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get_property(IS_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE)
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if (IS_IN_TRY_COMPILE)
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -nostdlib")
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set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -nostdlib")
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endif ()
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