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279 lines
10 KiB
279 lines
10 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_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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cmake_policy(PUSH)
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cmake_policy(SET CMP0057 NEW) # if IN_LIST
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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 ${SEARCH_PATH} NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH)
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if(_CMAKE_TOOL_WITH_PATH)
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# Overwrite CMAKE_TOOL with full path found in SEARCH_PATH.
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set(${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 "${_CMAKE_TOOLCHAIN_LOCATION}" "Default Manifest Tool")
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macro(__resolve_linker_path __linker_type __name __search_path __doc)
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if(NOT CMAKE_LINKER_${__linker_type})
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set( CMAKE_LINKER_${__linker_type} "${__name}")
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endif()
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__resolve_tool_path(CMAKE_LINKER_${__linker_type} "${__search_path}" "${__doc}")
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endmacro()
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set(_CMAKE_TOOL_VARS "")
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# if it's the MS C/CXX compiler, search for link
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if(("x${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_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xNVIDIA")
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OR (CMAKE_HOST_WIN32 AND "x${_CMAKE_PROCESSING_LANGUAGE}" STREQUAL "xISPC")
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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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# Start with the canonical names.
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set(_CMAKE_LINKER_NAMES "link")
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set(_CMAKE_AR_NAMES "lib")
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set(_CMAKE_MT_NAMES "mt")
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# Prepend toolchain-specific names.
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if("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" MATCHES "^x(Clang|LLVMFlang)$")
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set(_CMAKE_NM_NAMES "llvm-nm" "nm")
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list(PREPEND _CMAKE_AR_NAMES "llvm-lib")
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if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_VERSION}" VERSION_GREATER_EQUAL 14.0.2)
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list(PREPEND _CMAKE_MT_NAMES "llvm-mt")
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endif()
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list(PREPEND _CMAKE_LINKER_NAMES "lld-link")
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list(APPEND _CMAKE_TOOL_VARS NM)
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elseif("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xIntel")
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list(PREPEND _CMAKE_AR_NAMES "xilib")
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list(PREPEND _CMAKE_LINKER_NAMES "xilink")
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endif()
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list(APPEND _CMAKE_TOOL_VARS LINKER MT AR)
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# look-up for possible usable linker
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__resolve_linker_path(LINK "link" "${_CMAKE_TOOLCHAIN_LOCATION}" "link Linker")
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__resolve_linker_path(LLD "lld-link" "${_CMAKE_TOOLCHAIN_LOCATION}" "lld-link Linker")
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elseif("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" MATCHES "^x(Open)?Watcom$")
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set(_CMAKE_LINKER_NAMES "wlink")
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set(_CMAKE_AR_NAMES "wlib")
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list(APPEND _CMAKE_TOOL_VARS LINKER AR)
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elseif("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" MATCHES "^xIAR$")
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# Get the architecture from the IAR compiler parent directory
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get_filename_component(__iar_bin_dir "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER}" DIRECTORY)
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get_filename_component(__iar_toolkit_dir "${__iar_bin_dir}" DIRECTORY)
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get_filename_component(__iar_arch_id "${__iar_toolkit_dir}" NAME)
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# IAR Archive Tool
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set(_CMAKE_AR_NAMES
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"iarchive" "iarchive.exe"
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"xar" "xar.exe"
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)
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# IAR Linker
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set(_CMAKE_LINKER_NAMES
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"ilink${__iar_arch_id}" "ilink${__iar_arch_id}.exe"
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"xlink${__iar_arch_id}" "xlink${__iar_arch_id}.exe"
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"xlink" "xlink.exe"
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)
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# IAR ELF Dumper
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set(_CMAKE_IAR_ELFDUMP_NAMES
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"ielfdump${__iar_arch_id}" "ielfdump${__iar_arch_id}.exe"
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)
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# IAR ELF Tool
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set(_CMAKE_IAR_ELFTOOL_NAMES
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"ielftool" "ielftool.exe"
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)
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# IAR ELF Exe to Object Tool
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set(_CMAKE_IAR_EXE2OBJ_NAMES
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"iexe2obj" "iexe2obj.exe"
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)
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# IAR Object File Manipulator
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set(_CMAKE_IAR_OBJMANIP_NAMES
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"iobjmanip" "iobjmanip.exe"
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)
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# IAR Absolute Symbol Exporter
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set(_CMAKE_IAR_SYMEXPORT_NAMES
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"isymexport" "isymexport.exe"
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)
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list(APPEND _CMAKE_TOOL_VARS AR LINKER IAR_ELFDUMP IAR_ELFTOOL IAR_EXE2OBJ IAR_OBJMANIP IAR_SYMEXPORT)
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unset(__iar_bin_dir)
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unset(__iar_toolkit_dir)
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unset(__iar_arch_id)
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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} ${CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN}/bin)
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endif()
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# Start with the canonical names.
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set(_CMAKE_AR_NAMES "ar")
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set(_CMAKE_RANLIB_NAMES "ranlib")
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set(_CMAKE_STRIP_NAMES "strip")
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set(_CMAKE_LINKER_NAMES "ld")
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set(_CMAKE_NM_NAMES "nm")
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set(_CMAKE_OBJDUMP_NAMES "objdump")
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set(_CMAKE_OBJCOPY_NAMES "objcopy")
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set(_CMAKE_READELF_NAMES "readelf")
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set(_CMAKE_DLLTOOL_NAMES "dlltool")
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set(_CMAKE_ADDR2LINE_NAMES "addr2line")
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set(_CMAKE_TAPI_NAMES "tapi")
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# Prepend toolchain-specific names.
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if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL Clang)
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if("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_SIMULATE_ID}" STREQUAL "xMSVC")
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list(PREPEND _CMAKE_LINKER_NAMES "lld-link")
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elseif(NOT APPLE)
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list(PREPEND _CMAKE_LINKER_NAMES "ld.lld")
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endif()
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# llvm-ar does not generate a symbol table that the Apple ld64 linker accepts.
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if(NOT APPLE)
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list(PREPEND _CMAKE_AR_NAMES "llvm-ar")
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endif()
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list(PREPEND _CMAKE_RANLIB_NAMES "llvm-ranlib")
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# llvm-strip versions prior to 11 require additional flags we do not yet add.
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if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_VERSION}" VERSION_GREATER_EQUAL 11)
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# llvm-strip does not seem to support chained fixup format on macOS correctly.
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if(NOT APPLE)
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list(PREPEND _CMAKE_STRIP_NAMES "llvm-strip")
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endif()
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endif()
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list(PREPEND _CMAKE_NM_NAMES "llvm-nm")
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if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_VERSION}" VERSION_GREATER_EQUAL 9)
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# llvm-objcopy and llvm-objdump on versions prior to 9 did not support everything we need.
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list(PREPEND _CMAKE_OBJCOPY_NAMES "llvm-objcopy")
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list(PREPEND _CMAKE_OBJDUMP_NAMES "llvm-objdump")
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endif()
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list(PREPEND _CMAKE_READELF_NAMES "llvm-readelf")
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list(PREPEND _CMAKE_DLLTOOL_NAMES "llvm-dlltool")
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list(PREPEND _CMAKE_ADDR2LINE_NAMES "llvm-addr2line")
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elseif("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL ARMClang)
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list(PREPEND _CMAKE_AR_NAMES "armar")
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list(PREPEND _CMAKE_LINKER_NAMES "armlink")
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endif()
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list(APPEND _CMAKE_TOOL_VARS AR RANLIB STRIP LINKER NM OBJDUMP OBJCOPY READELF DLLTOOL ADDR2LINE TAPI)
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endif()
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foreach(_CMAKE_TOOL IN LISTS _CMAKE_TOOL_VARS)
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# Build the final list of prefixed/suffixed names.
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set(_CMAKE_${_CMAKE_TOOL}_FIND_NAMES "")
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foreach(_CMAKE_TOOL_NAME IN LISTS _CMAKE_${_CMAKE_TOOL}_NAMES)
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list(APPEND _CMAKE_${_CMAKE_TOOL}_FIND_NAMES
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${_CMAKE_TOOLCHAIN_PREFIX}${_CMAKE_TOOL_NAME}${_CMAKE_TOOLCHAIN_SUFFIX}
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${_CMAKE_TOOLCHAIN_PREFIX}${_CMAKE_TOOL_NAME}
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${_CMAKE_TOOL_NAME}${_CMAKE_TOOLCHAIN_SUFFIX}
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${_CMAKE_TOOL_NAME}
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)
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endforeach()
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list(REMOVE_DUPLICATES _CMAKE_${_CMAKE_TOOL}_FIND_NAMES)
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find_program(CMAKE_${_CMAKE_TOOL} NAMES ${_CMAKE_${_CMAKE_TOOL}_FIND_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION} NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH)
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unset(_CMAKE_${_CMAKE_TOOL}_FIND_NAMES)
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endforeach()
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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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if(APPLE AND "TAPI" IN_LIST _CMAKE_TOOL_VARS AND NOT CMAKE_TAPI)
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# try to pick-up from Apple toolchain
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execute_process(COMMAND xcrun --find tapi
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OUTPUT_VARIABLE _xcrun_out
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET
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RESULT_VARIABLE _xcrun_failed)
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if(NOT _xcrun_failed AND EXISTS "${_xcrun_out}")
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set_property(CACHE CMAKE_TAPI PROPERTY VALUE "${_xcrun_out}")
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endif()
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unset(_xcrun_out)
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unset(_xcrun_failed)
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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 ${_CMAKE_TOOLCHAIN_LOCATION} NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH)
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if(NOT CMAKE_INSTALL_NAME_TOOL)
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message(FATAL_ERROR "Could not find install_name_tool, please check your installation.")
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endif()
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list(APPEND _CMAKE_TOOL_VARS INSTALL_NAME_TOOL)
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endif()
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# Mark any tool cache entries as advanced.
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foreach(_CMAKE_TOOL IN LISTS _CMAKE_TOOL_VARS)
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get_property(_CMAKE_TOOL_CACHED CACHE CMAKE_${_CMAKE_TOOL} PROPERTY TYPE)
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if(_CMAKE_TOOL_CACHED)
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mark_as_advanced(CMAKE_${_CMAKE_TOOL})
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endif()
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unset(_CMAKE_${_CMAKE_TOOL}_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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unset(_CMAKE_TOOL_NAME)
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unset(_CMAKE_TOOL)
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if("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" MATCHES "^xIAR$")
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# Set for backwards compatibility
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set(CMAKE_IAR_ARCHIVE "${CMAKE_AR}" CACHE FILEPATH "The IAR archiver")
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set(CMAKE_IAR_LINKER "${CMAKE_LINKER}" CACHE FILEPATH "The IAR ILINK linker")
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mark_as_advanced(CMAKE_IAR_LINKER CMAKE_IAR_AR)
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endif()
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cmake_policy(POP)
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