157 lines
7.1 KiB
CMake
157 lines
7.1 KiB
CMake
# 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_MT
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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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# Resolve full path of CMAKE_TOOL from user-defined name and SEARCH_PATH.
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function(__resolve_tool_path CMAKE_TOOL SEARCH_PATH DOCSTRING)
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if(${CMAKE_TOOL})
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# We only get here if CMAKE_TOOL was
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# specified using -D or a pre-made CMakeCache.txt (e.g. via ctest)
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# or set in CMAKE_TOOLCHAIN_FILE.
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get_filename_component(_CMAKE_USER_TOOL_PATH "${${CMAKE_TOOL}}" DIRECTORY)
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# Is CMAKE_TOOL a user-defined name instead of a full path?
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if(NOT _CMAKE_USER_TOOL_PATH)
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# Find CMAKE_TOOL in the SEARCH_PATH directory by user-defined name.
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find_program(_CMAKE_TOOL_WITH_PATH NAMES ${${CMAKE_TOOL}} HINTS ${SEARCH_PATH})
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if(_CMAKE_TOOL_WITH_PATH)
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# Overwrite CMAKE_TOOL with full path found in SEARCH_PATH.
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set(${CMAKE_TOOL} ${_CMAKE_TOOL_WITH_PATH} PARENT_SCOPE)
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get_property(_CMAKE_TOOL_CACHED CACHE ${CMAKE_TOOL} PROPERTY TYPE)
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# If CMAKE_TOOL is present in the CMake Cache, then overwrit it as well.
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if(_CMAKE_TOOL_CACHED)
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set(${CMAKE_TOOL} "${_CMAKE_TOOL_WITH_PATH}" CACHE STRING ${DOCSTRING} FORCE)
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endif()
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endif()
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unset(_CMAKE_TOOL_WITH_PATH CACHE)
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endif()
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endif()
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endfunction()
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__resolve_tool_path(CMAKE_LINKER "${_CMAKE_TOOLCHAIN_LOCATION}" "Default Linker")
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__resolve_tool_path(CMAKE_MT "${_CMAKE_TOOLCHAIN_LOCATION}" "Default Manifest Tool")
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set(_CMAKE_TOOL_VARS "")
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# if it's the MS C/CXX compiler, search for link
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if(("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_SIMULATE_ID}" STREQUAL "xMSVC" AND
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("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC"
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OR NOT "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xClang"))
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OR "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xMSVC"
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OR (CMAKE_HOST_WIN32 AND "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xPGI")
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OR (CMAKE_HOST_WIN32 AND "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xNVIDIA")
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OR (CMAKE_GENERATOR MATCHES "Visual Studio"
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AND NOT CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android"))
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if("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xClang")
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find_program(CMAKE_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}nm llvm-nm HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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set(_CMAKE_ADDITIONAL_LINKER_NAMES "lld-link")
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endif()
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find_program(CMAKE_LINKER NAMES ${_CMAKE_ADDITIONAL_LINKER_NAMES} link HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_AR NAMES lib HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_MT NAMES mt HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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list(APPEND _CMAKE_TOOL_VARS LINKER MT)
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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} ${CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN}/bin)
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endif()
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if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL Clang)
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set(_CMAKE_ADDITIONAL_AR_NAMES "llvm-ar")
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set(_CMAKE_ADDITIONAL_RANLIB_NAMES "llvm-ranlib")
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set(_CMAKE_ADDITIONAL_STRIP_NAMES "llvm-strip")
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set(_CMAKE_ADDITIONAL_LINKER_NAMES "ld.lld")
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set(_CMAKE_ADDITIONAL_NM_NAMES "llvm-nm")
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set(_CMAKE_ADDITIONAL_OBJDUMP_NAMES "llvm-objdump")
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set(_CMAKE_ADDITIONAL_OBJCOPY_NAMES "llvm-objcopy")
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set(_CMAKE_ADDITIONAL_READELF_NAMES "llvm-readelf")
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set(_CMAKE_ADDITIONAL_DLLTOOL_NAMES "llvm-dlltool")
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set(_CMAKE_ADDITIONAL_ADDR2LINE_NAMES "llvm-addr2line")
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endif()
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if(NOT CMAKE_CROSSCOMPILING AND NOT "${_CMAKE_TOOLCHAIN_PREFIX}" STREQUAL "")
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list(APPEND _CMAKE_ADDITIONAL_AR_NAMES "ar")
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list(APPEND _CMAKE_ADDITIONAL_RANLIB_NAMES "ranlib")
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list(APPEND _CMAKE_ADDITIONAL_STRIP_NAMES "strip")
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list(APPEND _CMAKE_ADDITIONAL_LINKER_NAMES "ld")
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list(APPEND _CMAKE_ADDITIONAL_NM_NAMES "nm")
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list(APPEND _CMAKE_ADDITIONAL_OBJDUMP_NAMES "objdump")
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list(APPEND _CMAKE_ADDITIONAL_OBJCOPY_NAMES "objcopy")
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list(APPEND _CMAKE_ADDITIONAL_READELF_NAMES "readelf")
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list(APPEND _CMAKE_ADDITIONAL_DLLTOOL_NAMES "dlltool")
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list(APPEND _CMAKE_ADDITIONAL_ADDR2LINE_NAMES "addr2line")
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endif()
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find_program(CMAKE_AR NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ar${_CMAKE_TOOLCHAIN_SUFFIX} ${_CMAKE_ADDITIONAL_AR_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_RANLIB NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ranlib ${_CMAKE_ADDITIONAL_RANLIB_NAMES} 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} ${_CMAKE_ADDITIONAL_STRIP_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_LINKER NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ld ${_CMAKE_ADDITIONAL_LINKER_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}nm ${_CMAKE_ADDITIONAL_NM_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_OBJDUMP NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objdump ${_CMAKE_ADDITIONAL_OBJDUMP_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_OBJCOPY NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objcopy ${_CMAKE_ADDITIONAL_OBJCOPY_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_READELF NAMES ${_CMAKE_TOOLCHAIN_PREFIX}readelf ${_CMAKE_ADDITIONAL_READELF_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_DLLTOOL NAMES ${_CMAKE_TOOLCHAIN_PREFIX}dlltool ${_CMAKE_ADDITIONAL_DLLTOOL_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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find_program(CMAKE_ADDR2LINE NAMES ${_CMAKE_TOOLCHAIN_PREFIX}addr2line ${_CMAKE_ADDITIONAL_ADDR2LINE_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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list(APPEND _CMAKE_TOOL_VARS AR RANLIB STRIP LINKER NM OBJDUMP OBJCOPY READELF DLLTOOL ADDR2LINE)
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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 ${_CMAKE_TOOLCHAIN_PREFIX}install_name_tool HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
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if(NOT CMAKE_INSTALL_NAME_TOOL)
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message(FATAL_ERROR "Could not find install_name_tool, please check your installation.")
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endif()
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list(APPEND _CMAKE_TOOL_VARS INSTALL_NAME_TOOL)
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endif()
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# Mark any tool cache entries as advanced.
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foreach(var IN LISTS _CMAKE_TOOL_VARS)
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get_property(_CMAKE_TOOL_CACHED CACHE CMAKE_${var} PROPERTY TYPE)
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if(_CMAKE_TOOL_CACHED)
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mark_as_advanced(CMAKE_${var})
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endif()
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unset(_CMAKE_ADDITIONAL_${var}_NAMES)
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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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