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98 lines
3.9 KiB
98 lines
3.9 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# search for additional tools required for C/C++ (and other languages ?)
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#
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# If the internal cmake variable _CMAKE_TOOLCHAIN_PREFIX is set, this is used
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# as prefix for the tools (e.g. arm-elf-gcc etc.)
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# If the cmake variable _CMAKE_TOOLCHAIN_LOCATION is set, the compiler is
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# searched only there. The other tools are at first searched there, then
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# also in the default locations.
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#
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# Sets the following variables:
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# CMAKE_AR
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# CMAKE_RANLIB
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# CMAKE_LINKER
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# CMAKE_STRIP
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# CMAKE_INSTALL_NAME_TOOL
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# on UNIX, cygwin and mingw
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if(CMAKE_LINKER)
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# we only get here if CMAKE_LINKER was specified using -D or a pre-made CMakeCache.txt
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# (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE
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# find the linker in the PATH if necessary
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get_filename_component(_CMAKE_USER_LINKER_PATH "${CMAKE_LINKER}" PATH)
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if(NOT _CMAKE_USER_LINKER_PATH)
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find_program(CMAKE_LINKER_WITH_PATH NAMES ${CMAKE_LINKER} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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if(CMAKE_LINKER_WITH_PATH)
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set(CMAKE_LINKER ${CMAKE_LINKER_WITH_PATH})
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get_property(_CMAKE_LINKER_CACHED CACHE CMAKE_LINKER PROPERTY TYPE)
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if(_CMAKE_LINKER_CACHED)
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set(CMAKE_LINKER "${CMAKE_LINKER}" CACHE STRING "Default Linker" FORCE)
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endif()
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unset(_CMAKE_LINKER_CACHED)
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endif()
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unset(CMAKE_LINKER_WITH_PATH CACHE)
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endif()
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endif()
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set(_CMAKE_TOOL_VARS "")
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# if it's the MS C/CXX compiler, search for link
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if("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_SIMULATE_ID}" STREQUAL "xMSVC"
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OR "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xMSVC"
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OR (CMAKE_HOST_WIN32 AND "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xPGI")
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OR (CMAKE_GENERATOR MATCHES "Visual Studio"
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AND NOT CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android"))
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find_program(CMAKE_LINKER NAMES link HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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list(APPEND _CMAKE_TOOL_VARS CMAKE_LINKER)
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# in all other cases search for ar, ranlib, etc.
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else()
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if(CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN)
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set(_CMAKE_TOOLCHAIN_LOCATION ${_CMAKE_TOOLCHAIN_LOCATION} ${CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN}/bin)
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endif()
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if(CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN)
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set(_CMAKE_TOOLCHAIN_LOCATION ${_CMAKE_TOOLCHAIN_LOCATION} ${CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN}/bin)
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endif()
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find_program(CMAKE_AR NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ar${_CMAKE_TOOLCHAIN_SUFFIX} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_RANLIB NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ranlib HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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if(NOT CMAKE_RANLIB)
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set(CMAKE_RANLIB : CACHE INTERNAL "noop for ranlib")
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endif()
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find_program(CMAKE_STRIP NAMES ${_CMAKE_TOOLCHAIN_PREFIX}strip${_CMAKE_TOOLCHAIN_SUFFIX} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_LINKER NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ld HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}nm HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_OBJDUMP NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objdump HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_OBJCOPY NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objcopy HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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list(APPEND _CMAKE_TOOL_VARS CMAKE_AR CMAKE_RANLIB CMAKE_STRIP CMAKE_LINKER CMAKE_NM CMAKE_OBJDUMP CMAKE_OBJCOPY)
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endif()
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if(CMAKE_PLATFORM_HAS_INSTALLNAME)
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find_program(CMAKE_INSTALL_NAME_TOOL NAMES install_name_tool HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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if(NOT CMAKE_INSTALL_NAME_TOOL)
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message(FATAL_ERROR "Could not find install_name_tool, please check your installation.")
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endif()
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list(APPEND _CMAKE_TOOL_VARS CMAKE_INSTALL_NAME_TOOL)
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endif()
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# Mark any tool cache entries as advanced.
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foreach(var IN LISTS _CMAKE_TOOL_VARS)
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get_property(_CMAKE_TOOL_CACHED CACHE ${var} PROPERTY TYPE)
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if(_CMAKE_TOOL_CACHED)
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mark_as_advanced(${var})
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endif()
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endforeach()
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unset(_CMAKE_TOOL_VARS)
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unset(_CMAKE_TOOL_CACHED)
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