68 lines
2.8 KiB
CMake
68 lines
2.8 KiB
CMake
# arm-none-eabi toolchain
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set(TOOLCHAIN_PREFIX arm-none-eabi-)
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if(MINGW OR CYGWIN OR WIN32)
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set(UTIL_SEARCH_CMD where)
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elseif(UNIX OR APPLE)
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set(UTIL_SEARCH_CMD which)
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endif()
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execute_process(
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COMMAND ${UTIL_SEARCH_CMD} ${TOOLCHAIN_PREFIX}gcc
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OUTPUT_VARIABLE BINUTILS_PATH
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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get_filename_component(ARM_TOOLCHAIN_DIR ${BINUTILS_PATH} DIRECTORY)
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# Without that flag CMake is not able to pass test compilation check
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if (${CMAKE_VERSION} VERSION_EQUAL "3.6.0" OR ${CMAKE_VERSION} VERSION_GREATER "3.6")
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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else()
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set(CMAKE_EXE_LINKER_FLAGS_INIT "--specs=nosys.specs")
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endif()
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# Generate .elf files
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set(CMAKE_EXECUTABLE_SUFFIX ".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_C_COMPILER ${TOOLCHAIN_PREFIX}gcc)
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set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
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set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}g++)
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# Default C compiler flags
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set(CMAKE_C_FLAGS_DEBUG_INIT "-g3 -Og -Wall -pedantic -DDEBUG")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG_INIT}" CACHE STRING "" FORCE)
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set(CMAKE_C_FLAGS_RELEASE_INIT "-O3 -Wall")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE_INIT}" CACHE STRING "" FORCE)
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set(CMAKE_C_FLAGS_MINSIZEREL_INIT "-Os -Wall")
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set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL_INIT}" CACHE STRING "" FORCE)
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set(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "-O2 -g -Wall")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO_INIT}" CACHE STRING "" FORCE)
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# Default C++ compiler flags
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "-g3 -Og -Wall -pedantic -DDEBUG")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG_INIT}" CACHE STRING "" FORCE)
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set(CMAKE_CXX_FLAGS_RELEASE_INIT "-O3 -Wall")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE_INIT}" CACHE STRING "" FORCE)
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set(CMAKE_CXX_FLAGS_MINSIZEREL_INIT "-Os -Wall")
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set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL_INIT}" CACHE STRING "" FORCE)
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O2 -g -Wall")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT}" CACHE STRING "" FORCE)
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# customize linker command
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set(CMAKE_EXE_LINKER_FLAGS "")
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set(CMAKE_C_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
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set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
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set(CMAKE_OBJCOPY ${ARM_TOOLCHAIN_DIR}/${TOOLCHAIN_PREFIX}objcopy CACHE INTERNAL "objcopy tool")
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set(CMAKE_SIZE_UTIL ${ARM_TOOLCHAIN_DIR}/${TOOLCHAIN_PREFIX}size CACHE INTERNAL "size tool")
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#set(CMAKE_SYSROOT ${ARM_TOOLCHAIN_DIR}/../arm-none-eabi)
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set(CMAKE_SYSROOT "")
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set(CMAKE_FIND_ROOT_PATH ${BINUTILS_PATH})
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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