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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_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xNVIDIA")
OR (CMAKE_HOST_WIN32 AND "x${_CMAKE_PROCESSING_LANGUAGE}" STREQUAL "xISPC")
OR (CMAKE_GENERATOR MATCHES "Visual Studio"
AND NOT CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android"))
# Start with the canonical names.
set(_CMAKE_LINKER_NAMES "link")
set(_CMAKE_AR_NAMES "lib")
set(_CMAKE_MT_NAMES "mt")
# Prepend toolchain-specific names.
if("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xClang")
set(_CMAKE_NM_NAMES "llvm-nm" "nm")
list(PREPEND _CMAKE_AR_NAMES "llvm-lib")
list(PREPEND _CMAKE_MT_NAMES "llvm-mt")
list(PREPEND _CMAKE_LINKER_NAMES "lld-link")
list(APPEND _CMAKE_TOOL_VARS NM)
elseif("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" MATCHES "^xIntel")
list(PREPEND _CMAKE_AR_NAMES "xilib")
list(PREPEND _CMAKE_LINKER_NAMES "xilink")
endif()
list(APPEND _CMAKE_TOOL_VARS LINKER MT AR)
elseif("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" MATCHES "^x(Open)?Watcom$")
set(_CMAKE_LINKER_NAMES "wlink")
set(_CMAKE_AR_NAMES "wlib")
list(APPEND _CMAKE_TOOL_VARS LINKER AR)
# 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} ${CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN}/bin)
endif()
# Start with the canonical names.
set(_CMAKE_AR_NAMES "ar")
set(_CMAKE_RANLIB_NAMES "ranlib")
set(_CMAKE_STRIP_NAMES "strip")
set(_CMAKE_LINKER_NAMES "ld")
set(_CMAKE_NM_NAMES "nm")
set(_CMAKE_OBJDUMP_NAMES "objdump")
set(_CMAKE_OBJCOPY_NAMES "objcopy")
set(_CMAKE_READELF_NAMES "readelf")
set(_CMAKE_DLLTOOL_NAMES "dlltool")
set(_CMAKE_ADDR2LINE_NAMES "addr2line")
# Prepend toolchain-specific names.
if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL Clang)
if("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_SIMULATE_ID}" STREQUAL "xMSVC")
set(_CMAKE_LINKER_NAMES "lld-link")
else()
set(_CMAKE_LINKER_NAMES "ld.lld")
endif()
list(PREPEND _CMAKE_AR_NAMES "llvm-ar")
list(PREPEND _CMAKE_RANLIB_NAMES "llvm-ranlib")
list(PREPEND _CMAKE_STRIP_NAMES "llvm-strip")
list(PREPEND _CMAKE_NM_NAMES "llvm-nm")
if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_VERSION}" VERSION_GREATER_EQUAL 9)
# llvm-objdump versions prior to 9 did not support everything we need.
list(PREPEND _CMAKE_OBJDUMP_NAMES "llvm-objdump")
endif()
list(PREPEND _CMAKE_OBJCOPY_NAMES "llvm-objcopy")
list(PREPEND _CMAKE_READELF_NAMES "llvm-readelf")
list(PREPEND _CMAKE_DLLTOOL_NAMES "llvm-dlltool")
list(PREPEND _CMAKE_ADDR2LINE_NAMES "llvm-addr2line")
elseif("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL ARMClang)
list(PREPEND _CMAKE_AR_NAMES "armar")
list(PREPEND _CMAKE_LINKER_NAMES "armlink")
endif()
list(APPEND _CMAKE_TOOL_VARS AR RANLIB STRIP LINKER NM OBJDUMP OBJCOPY READELF DLLTOOL ADDR2LINE)
endif()
foreach(_CMAKE_TOOL IN LISTS _CMAKE_TOOL_VARS)
# Build the final list of prefixed/suffixed names.
set(_CMAKE_${_CMAKE_TOOL}_FIND_NAMES "")
foreach(_CMAKE_TOOL_NAME IN LISTS _CMAKE_${_CMAKE_TOOL}_NAMES)
list(APPEND _CMAKE_${_CMAKE_TOOL}_FIND_NAMES
${_CMAKE_TOOLCHAIN_PREFIX}${_CMAKE_TOOL_NAME}${_CMAKE_TOOLCHAIN_SUFFIX}
${_CMAKE_TOOLCHAIN_PREFIX}${_CMAKE_TOOL_NAME}
${_CMAKE_TOOL_NAME}${_CMAKE_TOOLCHAIN_SUFFIX}
${_CMAKE_TOOL_NAME}
)
endforeach()
list(REMOVE_DUPLICATES _CMAKE_${_CMAKE_TOOL}_FIND_NAMES)
find_program(CMAKE_${_CMAKE_TOOL} NAMES ${_CMAKE_${_CMAKE_TOOL}_FIND_NAMES} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
unset(_CMAKE_${_CMAKE_TOOL}_FIND_NAMES)
endforeach()
if(NOT CMAKE_RANLIB)
set(CMAKE_RANLIB : CACHE INTERNAL "noop for ranlib")
endif()
if(CMAKE_PLATFORM_HAS_INSTALLNAME)
find_program(CMAKE_INSTALL_NAME_TOOL NAMES ${_CMAKE_TOOLCHAIN_PREFIX}install_name_tool HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
if(NOT CMAKE_INSTALL_NAME_TOOL)
message(FATAL_ERROR "Could not find install_name_tool, please check your installation.")
endif()
list(APPEND _CMAKE_TOOL_VARS INSTALL_NAME_TOOL)
endif()
# Mark any tool cache entries as advanced.
foreach(_CMAKE_TOOL IN LISTS _CMAKE_TOOL_VARS)
get_property(_CMAKE_TOOL_CACHED CACHE CMAKE_${_CMAKE_TOOL} PROPERTY TYPE)
if(_CMAKE_TOOL_CACHED)
mark_as_advanced(CMAKE_${_CMAKE_TOOL})
endif()
unset(_CMAKE_${_CMAKE_TOOL}_NAMES)
endforeach()
unset(_CMAKE_TOOL_VARS)
unset(_CMAKE_TOOL_CACHED)
unset(_CMAKE_TOOL_NAME)
unset(_CMAKE_TOOL)
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