94 lines
2.5 KiB
CMake
94 lines
2.5 KiB
CMake
get_filename_component(PROJECT_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" DIRECTORY)
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include("${PROJECT_CMAKE_DIR}/Utilities.cmake")
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_SYSTEM_PROCESSOR avr)
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set(CMAKE_CROSSCOMPILING 1)
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set(AVR_GCC_VERSION 7.3.0)
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set(AVR_TOOLCHAIN_DIR "${PROJECT_CMAKE_DIR}/../.dependencies/avr-gcc-${AVR_GCC_VERSION}/")
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message( "tc dir is ${AVR_TOOLCHAIN_DIR}")
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#
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# Utilities
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if(MINGW
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OR CYGWIN
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OR WIN32
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)
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set(UTIL_SEARCH_CMD where)
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set(EXECUTABLE_SUFFIX ".exe")
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elseif(UNIX OR APPLE)
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set(UTIL_SEARCH_CMD which)
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set(EXECUTABLE_SUFFIX "")
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endif()
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set(TOOLCHAIN_PREFIX avr-)
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#
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# Looking up the toolchain
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#
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if(AVR_TOOLCHAIN_DIR)
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# using toolchain set by AvrGcc.cmake (locked version)
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set(BINUTILS_PATH "${AVR_TOOLCHAIN_DIR}/bin")
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else()
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# search for ANY avr-gcc toolchain
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execute_process(
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COMMAND ${UTIL_SEARCH_CMD} ${TOOLCHAIN_PREFIX}gcc
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OUTPUT_VARIABLE AVR_GCC_PATH
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OUTPUT_STRIP_TRAILING_WHITESPACE
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RESULT_VARIABLE FIND_RESULT
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)
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# found?
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if(NOT "${FIND_RESULT}" STREQUAL "0")
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message(FATAL_ERROR "avr-gcc not found")
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endif()
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get_filename_component(BINUTILS_PATH "${AVR_GCC_PATH}" DIRECTORY)
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get_filename_component(AVR_TOOLCHAIN_DIR ${BINUTILS_PATH} DIRECTORY)
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endif()
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#
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# Setup CMake
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#
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# Without that flag CMake is not able to pass test compilation check
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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set(CMAKE_C_COMPILER
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"${BINUTILS_PATH}/${TOOLCHAIN_PREFIX}gcc${EXECUTABLE_SUFFIX}"
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CACHE FILEPATH "" FORCE
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)
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set(CMAKE_ASM_COMPILER
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"${BINUTILS_PATH}/${TOOLCHAIN_PREFIX}gcc${EXECUTABLE_SUFFIX}"
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CACHE FILEPATH "" FORCE
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)
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set(CMAKE_CXX_COMPILER
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"${BINUTILS_PATH}/${TOOLCHAIN_PREFIX}g++${EXECUTABLE_SUFFIX}"
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CACHE FILEPATH "" FORCE
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)
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set(CMAKE_EXE_LINKER_FLAGS_INIT
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""
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CACHE STRING "" FORCE
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)
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set(CMAKE_ASM_COMPILE_OBJECT
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"<CMAKE_ASM_COMPILER> <DEFINES> <FLAGS> -o <OBJECT> -c <SOURCE>"
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CACHE STRING "" FORCE
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)
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set(CMAKE_OBJCOPY
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"${BINUTILS_PATH}/${TOOLCHAIN_PREFIX}objcopy${EXECUTABLE_SUFFIX}"
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CACHE INTERNAL "objcopy tool"
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)
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set(CMAKE_OBJDUMP
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"${BINUTILS_PATH}/${TOOLCHAIN_PREFIX}objdump${EXECUTABLE_SUFFIX}"
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CACHE INTERNAL "objdump tool"
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)
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set(CMAKE_SIZE_UTIL
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"${BINUTILS_PATH}/${TOOLCHAIN_PREFIX}size${EXECUTABLE_SUFFIX}"
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CACHE INTERNAL "size tool"
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)
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set(CMAKE_FIND_ROOT_PATH "${AVR_TOOLCHAIN_DIR}")
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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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