83 lines
3.0 KiB
CMake
83 lines
3.0 KiB
CMake
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#.rst:
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# .. command:: generate_compatibility_version_file
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#
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# Create a version file for a project::
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#
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# generate_compatibility_version_file(<filename>
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# [VERSION <major.minor.patch>]
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# COMPATIBILITY <AnyNewerVersion|SameMajorVersion|ExactVersion>
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# [C_ABI]
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# [CXX_LAYOUT]
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# [CXX_ABI])
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#=============================================================================
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# Copyright 2015 Sensics, Inc. <ryan@sensics.com>
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# Copyright 2012 Alexander Neundorf <neundorf@kde.org>
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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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include(CMakePackageConfigHelpers)
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set(GCVF_DIR "${CMAKE_CURRENT_LIST_DIR}" CACHE INTERNAL "" FORCE)
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function(generate_compatibility_version_file _filename)
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set(options C_ABI CXX_LAYOUT CXX_ABI)
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set(oneValueArgs VERSION COMPATIBILITY )
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set(multiValueArgs )
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cmake_parse_arguments(GCVF "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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if(GCVF_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Unknown keywords given to generate_compatibility_version_file(): ${GCVF_UNPARSED_ARGUMENTS}")
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endif()
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set(versionTemplateFile "${CMAKE_ROOT}/Modules/BasicConfigVersion-${GCVF_COMPATIBILITY}.cmake.in")
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if(NOT EXISTS "${versionTemplateFile}")
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message(FATAL_ERROR "Bad COMPATIBILITY value used for generate_compatibility_version_file(): \"${GCVF_COMPATIBILITY}\"")
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endif()
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if(GCVF_CXX_ABI)
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set(GCVF_CXX_LAYOUT TRUE)
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endif()
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if(GCVF_CXX_LAYOUT)
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set(GCVF_C_ABI TRUE)
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endif()
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if("${GCVF_VERSION}" STREQUAL "")
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if("${PROJECT_VERSION}" STREQUAL "")
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message(FATAL_ERROR "No VERSION specified for generate_compatibility_version_file()")
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else()
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set(GCVF_VERSION ${PROJECT_VERSION})
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endif()
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endif()
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set(GCVF_WIN_CXXLAYOUT)
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if(MSVC)
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set(GCVF_WIN_CXXLAYOUT "MSVC")
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elseif(MINGW)
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set(GCVF_WIN_CXXLAYOUT "MinGW")
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elseif(WIN32)
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set(GCVF_WIN_CXXLAYOUT "other")
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endif()
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set(PREV_FILE "${_filename}.cmakeversion")
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write_basic_package_version_file("${PREV_FILE}" VERSION ${GCVF_VERSION} COMPATIBILITY ${GCVF_COMPATIBILITY})
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set(GCVF_BASIC TRUE)
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foreach(level BASIC C_ABI CXX_LAYOUT CXX_ABI)
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if(GCVF_${level})
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file(READ "${PREV_FILE}" GCVF_PREVIOUS_FILE)
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set(PREV_FILE "${_filename}.${level}")
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configure_file("${GCVF_DIR}/CompatibilityVersionFile-${level}.cmake.in" "${PREV_FILE}" @ONLY)
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endif()
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endforeach()
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configure_file("${PREV_FILE}" "${_filename}" COPYONLY)
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endfunction()
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