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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# search for additional tools required for C/C++ (and other languages ?)
#
# If the internal cmake variable _CMAKE_TOOLCHAIN_PREFIX is set, this is used
# as prefix for the tools (e.g. arm-elf-gcc etc.)
# If the cmake variable _CMAKE_TOOLCHAIN_LOCATION is set, the compiler is
# searched only there. The other tools are at first searched there, then
# also in the default locations.
#
# Sets the following variables:
# CMAKE_AR
# CMAKE_RANLIB
# CMAKE_LINKER
# CMAKE_MT
# CMAKE_STRIP
# CMAKE_INSTALL_NAME_TOOL
# on UNIX, cygwin and mingw
# Resolve full path of CMAKE_TOOL from user-defined name and SEARCH_PATH.
function(__resolve_tool_path CMAKE_TOOL SEARCH_PATH DOCSTRING)
if(${CMAKE_TOOL})
# We only get here if CMAKE_TOOL was
# specified using -D or a pre-made CMakeCache.txt (e.g. via ctest)
# or set in CMAKE_TOOLCHAIN_FILE.
get_filename_component(_CMAKE_USER_TOOL_PATH "${${CMAKE_TOOL}}" DIRECTORY)
# Is CMAKE_TOOL a user-defined name instead of a full path?
if(NOT _CMAKE_USER_TOOL_PATH)
# Find CMAKE_TOOL in the SEARCH_PATH directory by user-defined name.
find_program(_CMAKE_TOOL_WITH_PATH NAMES ${${CMAKE_TOOL}} HINTS ${SEARCH_PATH})
if(_CMAKE_TOOL_WITH_PATH)
# Overwrite CMAKE_TOOL with full path found in SEARCH_PATH.
set(${CMAKE_TOOL} ${_CMAKE_TOOL_WITH_PATH} PARENT_SCOPE)
get_property(_CMAKE_TOOL_CACHED CACHE ${CMAKE_TOOL} PROPERTY TYPE)
# If CMAKE_TOOL is present in the CMake Cache, then overwrit it as well.
if(_CMAKE_TOOL_CACHED)
set(${CMAKE_TOOL} "${_CMAKE_TOOL_WITH_PATH}" CACHE STRING ${DOCSTRING} FORCE)
endif()
endif()
unset(_CMAKE_TOOL_WITH_PATH CACHE)
endif()
endif()
endfunction()
__resolve_tool_path(CMAKE_LINKER "${_CMAKE_TOOLCHAIN_LOCATION}" "Default Linker")
__resolve_tool_path(CMAKE_MT "${_CMAKE_TOOLCHAIN_LOCATION}" "Default Manifest Tool")
set(_CMAKE_TOOL_VARS "")
# if it's the MS C/CXX compiler, search for link
if(("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_SIMULATE_ID}" STREQUAL "xMSVC" AND
("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC"
OR NOT "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xClang"))
OR "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xMSVC"
OR (CMAKE_HOST_WIN32 AND "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xPGI")
OR (CMAKE_HOST_WIN32 AND "x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xNVIDIA")
OR (CMAKE_GENERATOR MATCHES "Visual Studio"
AND NOT CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android"))
if("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xClang")
find_program(CMAKE_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}nm llvm-nm HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
set(_CMAKE_ADDITIONAL_LINKER_NAMES "lld-link")
endif()
find_program(CMAKE_LINKER NAMES ${_CMAKE_ADDITIONAL_LINKER_NAMES} link HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_AR NAMES lib HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_MT NAMES mt HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
list(APPEND _CMAKE_TOOL_VARS LINKER MT)
# in all other cases search for ar, ranlib, etc.
else()
if(CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN)
set(_CMAKE_TOOLCHAIN_LOCATION ${_CMAKE_TOOLCHAIN_LOCATION} ${CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN}/bin)
endif()
if(CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN)
set(_CMAKE_TOOLCHAIN_LOCATION ${_CMAKE_TOOLCHAIN_LOCATION} ${CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN}/bin)
endif()
if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL Clang)
set(_CMAKE_ADDITIONAL_AR_NAMES "llvm-ar")
set(_CMAKE_ADDITIONAL_RANLIB_NAMES "llvm-ranlib")
set(_CMAKE_ADDITIONAL_STRIP_NAMES "llvm-strip")
set(_CMAKE_ADDITIONAL_LINKER_NAMES "ld.lld")
set(_CMAKE_ADDITIONAL_NM_NAMES "llvm-nm")
set(_CMAKE_ADDITIONAL_OBJDUMP_NAMES "llvm-objdump")
set(_CMAKE_ADDITIONAL_OBJCOPY_NAMES "llvm-objcopy")
set(_CMAKE_ADDITIONAL_READELF_NAMES "llvm-readelf")
set(_CMAKE_ADDITIONAL_DLLTOOL_NAMES "llvm-dlltool")
set(_CMAKE_ADDITIONAL_ADDR2LINE_NAMES "llvm-addr2line")
endif()
find_program(CMAKE_AR NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ar${_CMAKE_TOOLCHAIN_SUFFIX} ${_CMAKE_ADDITIONAL_AR_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_RANLIB NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ranlib ${_CMAKE_ADDITIONAL_RANLIB_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
if(NOT CMAKE_RANLIB)
set(CMAKE_RANLIB : CACHE INTERNAL "noop for ranlib")
endif()
find_program(CMAKE_STRIP NAMES ${_CMAKE_TOOLCHAIN_PREFIX}strip${_CMAKE_TOOLCHAIN_SUFFIX} ${_CMAKE_ADDITIONAL_STRIP_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_LINKER NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ld ${_CMAKE_ADDITIONAL_LINKER_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}nm ${_CMAKE_ADDITIONAL_NM_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_OBJDUMP NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objdump ${_CMAKE_ADDITIONAL_OBJDUMP_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_OBJCOPY NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objcopy ${_CMAKE_ADDITIONAL_OBJCOPY_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_READELF NAMES ${_CMAKE_TOOLCHAIN_PREFIX}readelf ${_CMAKE_ADDITIONAL_READELF_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_DLLTOOL NAMES ${_CMAKE_TOOLCHAIN_PREFIX}dlltool ${_CMAKE_ADDITIONAL_DLLTOOL_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_ADDR2LINE NAMES ${_CMAKE_TOOLCHAIN_PREFIX}addr2line ${_CMAKE_ADDITIONAL_ADDR2LINE_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
list(APPEND _CMAKE_TOOL_VARS AR RANLIB STRIP LINKER NM OBJDUMP OBJCOPY READELF DLLTOOL ADDR2LINE)
endif()
if(CMAKE_PLATFORM_HAS_INSTALLNAME)
find_program(CMAKE_INSTALL_NAME_TOOL NAMES ${_CMAKE_TOOLCHAIN_PREFIX}install_name_tool HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
if(NOT CMAKE_INSTALL_NAME_TOOL)
message(FATAL_ERROR "Could not find install_name_tool, please check your installation.")
endif()
list(APPEND _CMAKE_TOOL_VARS INSTALL_NAME_TOOL)
endif()
# Mark any tool cache entries as advanced.
foreach(var IN LISTS _CMAKE_TOOL_VARS)
get_property(_CMAKE_TOOL_CACHED CACHE CMAKE_${var} PROPERTY TYPE)
if(_CMAKE_TOOL_CACHED)
mark_as_advanced(CMAKE_${var})
endif()
unset(_CMAKE_ADDITIONAL_${var}_NAMES)
endforeach()
unset(_CMAKE_TOOL_VARS)
unset(_CMAKE_TOOL_CACHED)
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