52 lines
1.8 KiB
CMake
52 lines
1.8 KiB
CMake
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# check if already run. Changing the compiler var can cause reconfigure so don't want to do it again
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if(DEFINED ARM_GCC_TOOLCHAIN)
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return()
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endif()
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set(ARM_GCC_TOOLCHAIN TRUE)
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_SYSTEM_PROCESSOR ARM)
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set(TOOLCHAIN_PREFIX arm-none-eabi-)
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if (NOT DEFINED ARM_NONE_EABI_TOOLCHAIN_BIN_PATH)
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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_NONE_EABI_TOOLCHAIN_BIN_PATH ${BINUTILS_PATH} DIRECTORY)
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endif ()
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# Without that flag CMake is not able to pass test compilation check
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if (${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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set(TOOLCHAIN_PATH_AND_PREFIX ${ARM_NONE_EABI_TOOLCHAIN_BIN_PATH}/${TOOLCHAIN_PREFIX})
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set(CMAKE_C_COMPILER ${TOOLCHAIN_PATH_AND_PREFIX}gcc)
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set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
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set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PATH_AND_PREFIX}c++)
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set(CMAKE_AR ${TOOLCHAIN_PATH_AND_PREFIX}ar)
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set(CMAKE_RANLIB ${TOOLCHAIN_PATH_AND_PREFIX}ranlib)
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set(CMAKE_OBJCOPY ${TOOLCHAIN_PATH_AND_PREFIX}objcopy CACHE INTERNAL "objcopy tool")
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set(CMAKE_SIZE_UTIL ${TOOLCHAIN_PATH_AND_PREFIX}size CACHE INTERNAL "size tool")
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set(CMAKE_SYSROOT ${ARM_NONE_EABI_TOOLCHAIN_BIN_PATH})
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set(CMAKE_FIND_ROOT_PATH ${ARM_NONE_EABI_TOOLCHAIN_BIN_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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