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c5892e484e
The CMake support for Android assumes cross-compilation using the NDK, so stub out that Android NDK support and use the Linux support that's already invoked. Set CMAKE_HOST_SYSTEM_NAME to "Android", rather than "Linux". Issue: #19840
190 lines
7.6 KiB
CMake
190 lines
7.6 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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# This module is used by the Makefile generator to determine the following variables:
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# CMAKE_SYSTEM_NAME - on unix this is uname -s, for windows it is Windows
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# CMAKE_SYSTEM_VERSION - on unix this is uname -r, for windows it is empty
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# CMAKE_SYSTEM - ${CMAKE_SYSTEM}-${CMAKE_SYSTEM_VERSION}, for windows: ${CMAKE_SYSTEM}
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#
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# Expected uname -s output:
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#
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# AIX AIX
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# BSD/OS BSD/OS
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# FreeBSD FreeBSD
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# HP-UX HP-UX
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# Linux Linux
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# GNU/kFreeBSD GNU/kFreeBSD
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# NetBSD NetBSD
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# OpenBSD OpenBSD
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# OFS/1 (Digital Unix) OSF1
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# SCO OpenServer 5 SCO_SV
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# SCO UnixWare 7 UnixWare
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# SCO UnixWare (pre release 7) UNIX_SV
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# SCO XENIX Xenix
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# Solaris SunOS
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# SunOS SunOS
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# Tru64 Tru64
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# Ultrix ULTRIX
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# cygwin CYGWIN_NT-5.1
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# MacOSX Darwin
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# find out on which system cmake runs
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if(CMAKE_HOST_UNIX)
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find_program(CMAKE_UNAME uname /bin /usr/bin /usr/local/bin )
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if(CMAKE_UNAME)
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if(CMAKE_HOST_SYSTEM_NAME STREQUAL "AIX")
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exec_program(${CMAKE_UNAME} ARGS -v OUTPUT_VARIABLE _CMAKE_HOST_SYSTEM_MAJOR_VERSION)
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exec_program(${CMAKE_UNAME} ARGS -r OUTPUT_VARIABLE _CMAKE_HOST_SYSTEM_MINOR_VERSION)
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set(CMAKE_HOST_SYSTEM_VERSION "${_CMAKE_HOST_SYSTEM_MAJOR_VERSION}.${_CMAKE_HOST_SYSTEM_MINOR_VERSION}")
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unset(_CMAKE_HOST_SYSTEM_MAJOR_VERSION)
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unset(_CMAKE_HOST_SYSTEM_MINOR_VERSION)
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else()
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exec_program(${CMAKE_UNAME} ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION)
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endif()
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if(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|CYGWIN.*|Darwin|^GNU$|Android")
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exec_program(${CMAKE_UNAME} ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
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RETURN_VALUE val)
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if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin" AND
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CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "Power Macintosh")
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# OS X ppc 'uname -m' may report 'Power Macintosh' instead of 'powerpc'
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set(CMAKE_HOST_SYSTEM_PROCESSOR "powerpc")
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endif()
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elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "OpenBSD")
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exec_program(arch ARGS -s OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
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RETURN_VALUE val)
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else()
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exec_program(${CMAKE_UNAME} ARGS -p OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
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RETURN_VALUE val)
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if("${val}" GREATER 0)
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exec_program(${CMAKE_UNAME} ARGS -m OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_PROCESSOR
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RETURN_VALUE val)
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endif()
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endif()
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# check the return of the last uname -m or -p
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if("${val}" GREATER 0)
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set(CMAKE_HOST_SYSTEM_PROCESSOR "unknown")
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endif()
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set(CMAKE_UNAME ${CMAKE_UNAME} CACHE INTERNAL "uname command")
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# processor may have double quote in the name, and that needs to be removed
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string(REPLACE "\"" "" CMAKE_HOST_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
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string(REPLACE "/" "_" CMAKE_HOST_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
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endif()
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else()
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if(CMAKE_HOST_WIN32)
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if (DEFINED ENV{PROCESSOR_ARCHITEW6432})
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set (CMAKE_HOST_SYSTEM_PROCESSOR "$ENV{PROCESSOR_ARCHITEW6432}")
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else()
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set (CMAKE_HOST_SYSTEM_PROCESSOR "$ENV{PROCESSOR_ARCHITECTURE}")
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endif()
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endif()
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endif()
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# if a toolchain file is used, the user wants to cross compile.
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# in this case read the toolchain file and keep the CMAKE_HOST_SYSTEM_*
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# variables around so they can be used in CMakeLists.txt.
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# In all other cases, the host and target platform are the same.
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if(CMAKE_TOOLCHAIN_FILE)
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# at first try to load it as path relative to the directory from which cmake has been run
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include("${CMAKE_BINARY_DIR}/${CMAKE_TOOLCHAIN_FILE}" OPTIONAL RESULT_VARIABLE _INCLUDED_TOOLCHAIN_FILE)
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if(NOT _INCLUDED_TOOLCHAIN_FILE)
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# if the file isn't found there, check the default locations
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include("${CMAKE_TOOLCHAIN_FILE}" OPTIONAL RESULT_VARIABLE _INCLUDED_TOOLCHAIN_FILE)
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endif()
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if(_INCLUDED_TOOLCHAIN_FILE)
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set(CMAKE_TOOLCHAIN_FILE "${_INCLUDED_TOOLCHAIN_FILE}" CACHE FILEPATH "The CMake toolchain file" FORCE)
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else()
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message(FATAL_ERROR "Could not find toolchain file: ${CMAKE_TOOLCHAIN_FILE}")
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set(CMAKE_TOOLCHAIN_FILE "NOTFOUND" CACHE FILEPATH "The CMake toolchain file" FORCE)
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endif()
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endif()
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# if CMAKE_SYSTEM_NAME is here already set, either it comes from a toolchain file
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# or it was set via -DCMAKE_SYSTEM_NAME=...
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# if that's the case, assume we are crosscompiling
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if(CMAKE_SYSTEM_NAME)
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if(NOT DEFINED CMAKE_CROSSCOMPILING)
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set(CMAKE_CROSSCOMPILING TRUE)
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endif()
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set(PRESET_CMAKE_SYSTEM_NAME TRUE)
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elseif(CMAKE_VS_WINCE_VERSION)
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set(CMAKE_SYSTEM_NAME "WindowsCE")
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set(CMAKE_SYSTEM_VERSION "${CMAKE_VS_WINCE_VERSION}")
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set(CMAKE_SYSTEM_PROCESSOR "${MSVC_C_ARCHITECTURE_ID}")
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set(CMAKE_CROSSCOMPILING TRUE)
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set(PRESET_CMAKE_SYSTEM_NAME TRUE)
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else()
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set(CMAKE_SYSTEM_NAME "${CMAKE_HOST_SYSTEM_NAME}")
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if(NOT DEFINED CMAKE_SYSTEM_VERSION)
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set(CMAKE_SYSTEM_VERSION "${CMAKE_HOST_SYSTEM_VERSION}")
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endif()
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set(CMAKE_SYSTEM_PROCESSOR "${CMAKE_HOST_SYSTEM_PROCESSOR}")
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set(CMAKE_CROSSCOMPILING FALSE)
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set(PRESET_CMAKE_SYSTEM_NAME FALSE)
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endif()
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include(Platform/${CMAKE_SYSTEM_NAME}-Determine OPTIONAL)
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macro(ADJUST_CMAKE_SYSTEM_VARIABLES _PREFIX)
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if(NOT ${_PREFIX}_NAME)
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set(${_PREFIX}_NAME "UnknownOS")
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endif()
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# fix for BSD/OS , remove the /
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if(${_PREFIX}_NAME MATCHES BSD.OS)
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set(${_PREFIX}_NAME BSDOS)
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endif()
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# fix for GNU/kFreeBSD, remove the GNU/
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if(${_PREFIX}_NAME MATCHES kFreeBSD)
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set(${_PREFIX}_NAME kFreeBSD)
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endif()
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# fix for CYGWIN which has windows version in it
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if(${_PREFIX}_NAME MATCHES CYGWIN)
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set(${_PREFIX}_NAME CYGWIN)
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endif()
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# set CMAKE_SYSTEM to the CMAKE_SYSTEM_NAME
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set(${_PREFIX} ${${_PREFIX}_NAME})
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# if there is a CMAKE_SYSTEM_VERSION then add a -${CMAKE_SYSTEM_VERSION}
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if(${_PREFIX}_VERSION)
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set(${_PREFIX} ${${_PREFIX}}-${${_PREFIX}_VERSION})
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endif()
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endmacro()
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ADJUST_CMAKE_SYSTEM_VARIABLES(CMAKE_SYSTEM)
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ADJUST_CMAKE_SYSTEM_VARIABLES(CMAKE_HOST_SYSTEM)
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# this file is also executed from cpack, then we don't need to generate these files
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# in this case there is no CMAKE_BINARY_DIR
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if(CMAKE_BINARY_DIR)
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# write entry to the log file
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if(PRESET_CMAKE_SYSTEM_NAME)
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"The target system is: ${CMAKE_SYSTEM_NAME} - ${CMAKE_SYSTEM_VERSION} - ${CMAKE_SYSTEM_PROCESSOR}\n")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"The host system is: ${CMAKE_HOST_SYSTEM_NAME} - ${CMAKE_HOST_SYSTEM_VERSION} - ${CMAKE_HOST_SYSTEM_PROCESSOR}\n")
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else()
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"The system is: ${CMAKE_SYSTEM_NAME} - ${CMAKE_SYSTEM_VERSION} - ${CMAKE_SYSTEM_PROCESSOR}\n")
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endif()
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# if a toolchain file is used, it needs to be included in the configured file,
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# so settings done there are also available if they don't go in the cache and in try_compile()
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set(INCLUDE_CMAKE_TOOLCHAIN_FILE_IF_REQUIRED)
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if(CMAKE_TOOLCHAIN_FILE)
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set(INCLUDE_CMAKE_TOOLCHAIN_FILE_IF_REQUIRED "include(\"${CMAKE_TOOLCHAIN_FILE}\")")
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endif()
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# configure variables set in this file for fast reload, the template file is defined at the top of this file
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configure_file(${CMAKE_ROOT}/Modules/CMakeSystem.cmake.in
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${CMAKE_PLATFORM_INFO_DIR}/CMakeSystem.cmake
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@ONLY)
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endif()
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