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70 lines
3.4 KiB
CMake
70 lines
3.4 KiB
CMake
# WRITE_BASIC_CONFIG_VERSION_FILE( filename VERSION major.minor.patch COMPATIBILITY (AnyNewerVersion|SameMajorVersion) )
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#
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# Writes a file for use as <package>ConfigVersion.cmake file to <filename>.
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# See the documentation of FIND_PACKAGE() for details on this.
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# filename is the output filename, it should be in the build tree.
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# major.minor.patch is the version number of the project to be installed
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# The COMPATIBILITY mode AnyNewerVersion means that the installed package version
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# will be considered compatible if it is newer or exactly the same as the requested version.
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# If SameMajorVersion is used instead, then the behaviour differs from AnyNewerVersion
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# in that the major version number must be the same as requested, e.g. version 2.0 will
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# not be considered compatible if 1.0 is requested.
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# If your project has more elaborated version matching rules, you will need to write your
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# own custom ConfigVersion.cmake file instead of using this macro.
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#
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# Example:
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# write_basic_config_version_file(${CMAKE_CURRENT_BINARY_DIR}/FooConfigVersion.cmake
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# VERSION 1.2.3
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# COMPATIBILITY SameMajorVersion )
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# install(FILES ${CMAKE_CURRENT_BINARY_DIR}/FooConfigVersion.cmake
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# ${CMAKE_CURRENT_BINARY_DIR}/FooConfig.cmake
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# DESTINATION lib/cmake/Foo )
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#
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# Internally, this macro executes configure_file() to create the resulting
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# version file. Depending on the COMPATIBLITY, either the file
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# BasicConfigVersion-SameMajorVersion.cmake.in or BasicConfigVersion-AnyNewerVersion.cmake.in
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# is used. Please note that these two files are internal to CMake and you should
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# not call configure_file() on them yourself, but they can be used as starting
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# point to create more sophisticted custom ConfigVersion.cmake files.
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#=============================================================================
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# Copyright 2008-2011 Alexander Neundorf, <neundorf@kde.org>
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# Copyright 2004-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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include(CMakeParseArguments)
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function(WRITE_BASIC_CONFIG_VERSION_FILE _filename)
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set(options )
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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(CVF_UNPARSED_ARGUMENTS)
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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("${CVF_VERSION}" STREQUAL "")
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message(FATAL_ERROR "No VERSION specified for WRITE_BASIC_CONFIG_VERSION_FILE()")
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endif()
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configure_file("${versionTemplateFile}" "${_filename}" @ONLY)
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endfunction(WRITE_BASIC_CONFIG_VERSION_FILE)
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