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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_STRIP
# CMAKE_INSTALL_NAME_TOOL
# on UNIX, cygwin and mingw
if(CMAKE_LINKER)
# we only get here if CMAKE_LINKER was specified using -D or a pre-made CMakeCache.txt
# (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE
# find the linker in the PATH if necessary
get_filename_component(_CMAKE_USER_LINKER_PATH "${CMAKE_LINKER}" PATH)
if(NOT _CMAKE_USER_LINKER_PATH)
find_program(CMAKE_LINKER_WITH_PATH NAMES ${CMAKE_LINKER} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
if(CMAKE_LINKER_WITH_PATH)
set(CMAKE_LINKER ${CMAKE_LINKER_WITH_PATH})
get_property(_CMAKE_LINKER_CACHED CACHE CMAKE_LINKER PROPERTY TYPE)
if(_CMAKE_LINKER_CACHED)
set(CMAKE_LINKER "${CMAKE_LINKER}" CACHE STRING "Default Linker" FORCE)
endif()
unset(_CMAKE_LINKER_CACHED)
endif()
unset(CMAKE_LINKER_WITH_PATH CACHE)
endif()
endif()
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"
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_GENERATOR MATCHES "Visual Studio"
AND NOT CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android"))
find_program(CMAKE_LINKER NAMES link HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
list(APPEND _CMAKE_TOOL_VARS CMAKE_LINKER)
# 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()
find_program(CMAKE_AR NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ar${_CMAKE_TOOLCHAIN_SUFFIX} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_RANLIB NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ranlib 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} HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_LINKER NAMES ${_CMAKE_TOOLCHAIN_PREFIX}ld HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}nm HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_OBJDUMP NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objdump HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_OBJCOPY NAMES ${_CMAKE_TOOLCHAIN_PREFIX}objcopy HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
list(APPEND _CMAKE_TOOL_VARS CMAKE_AR CMAKE_RANLIB CMAKE_STRIP CMAKE_LINKER CMAKE_NM CMAKE_OBJDUMP CMAKE_OBJCOPY)
endif()
if(CMAKE_PLATFORM_HAS_INSTALLNAME)
find_program(CMAKE_INSTALL_NAME_TOOL NAMES 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 CMAKE_INSTALL_NAME_TOOL)
endif()
# Mark any tool cache entries as advanced.
foreach(var IN LISTS _CMAKE_TOOL_VARS)
get_property(_CMAKE_TOOL_CACHED CACHE ${var} PROPERTY TYPE)
if(_CMAKE_TOOL_CACHED)
mark_as_advanced(${var})
endif()
endforeach()
unset(_CMAKE_TOOL_VARS)
unset(_CMAKE_TOOL_CACHED)
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