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# 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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#[=======================================================================[.rst:
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WriteBasicConfigVersionFile
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---------------------------
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.. deprecated:: 3.0
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Use the identical command :command:`write_basic_package_version_file()`
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from module :module:`CMakePackageConfigHelpers`.
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::
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WRITE_BASIC_CONFIG_VERSION_FILE( filename
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[VERSION major.minor.patch]
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COMPATIBILITY (AnyNewerVersion|SameMajorVersion|SameMinorVersion|ExactVersion)
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[ARCH_INDEPENDENT]
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)
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#]=======================================================================]
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function(WRITE_BASIC_CONFIG_VERSION_FILE _filename)
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set(options ARCH_INDEPENDENT )
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set(oneValueArgs VERSION COMPATIBILITY )
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set(multiValueArgs )
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cmake_parse_arguments(CVF "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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if(CVF_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Unknown keywords given to WRITE_BASIC_CONFIG_VERSION_FILE(): \"${CVF_UNPARSED_ARGUMENTS}\"")
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endif()
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set(versionTemplateFile "${CMAKE_ROOT}/Modules/BasicConfigVersion-${CVF_COMPATIBILITY}.cmake.in")
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if(NOT EXISTS "${versionTemplateFile}")
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message(FATAL_ERROR "Bad COMPATIBILITY value used for WRITE_BASIC_CONFIG_VERSION_FILE(): \"${CVF_COMPATIBILITY}\"")
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endif()
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if("${CVF_VERSION}" STREQUAL "")
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if ("${PROJECT_VERSION}" STREQUAL "")
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message(FATAL_ERROR "No VERSION specified for WRITE_BASIC_CONFIG_VERSION_FILE()")
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else()
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set(CVF_VERSION "${PROJECT_VERSION}")
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endif()
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endif()
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if(NOT CVF_ARCH_INDEPENDENT)
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set(CVF_ARCH_INDEPENDENT_CHECK "
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# if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
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if(\"\${CMAKE_SIZEOF_VOID_P}\" STREQUAL \"\" OR \"${CMAKE_SIZEOF_VOID_P}\" STREQUAL \"\")
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return()
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endif()
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# check that the installed version has the same 32/64bit-ness as the one which is currently searching:
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if(NOT CMAKE_SIZEOF_VOID_P STREQUAL \"${CMAKE_SIZEOF_VOID_P}\")
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math(EXPR installedBits \"${CMAKE_SIZEOF_VOID_P} * 8\")
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set(PACKAGE_VERSION \"\${PACKAGE_VERSION} (\${installedBits}bit)\")
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set(PACKAGE_VERSION_UNSUITABLE TRUE)
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endif()")
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endif()
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configure_file("${versionTemplateFile}" "${_filename}" @ONLY)
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endfunction()
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