6518bcc167
This change introduces new behavior to error out when configuring user projects if the CMake version used is too old for Qt to work with. The main motivator is the requirement of new CMake features to ensure object libraries are placed in the proper place on the link line in static builds. The minimum CMake version is computed based on whether Qt was configured as shared or static libraries. At the moment the required versions for building and using Qt are the same. The minimum versions are defined in qtbase/.cmake.conf in the following variables QT_SUPPORTED_MIN_CMAKE_VERSION_FOR_BUILDING_QT_SHARED QT_SUPPORTED_MIN_CMAKE_VERSION_FOR_BUILDING_QT_STATIC QT_SUPPORTED_MIN_CMAKE_VERSION_FOR_USING_QT_SHARED QT_SUPPORTED_MIN_CMAKE_VERSION_FOR_USING_QT_STATIC Qt Packagers can disable the version check when configuring Qt by setting QT_FORCE_MIN_CMAKE_VERSION_FOR_BUILDING_QT and QT_FORCE_MIN_CMAKE_VERSION_FOR_USING_QT. In this case it is the packagers responsibility to ensure such a Qt works correctly with the specified CMake version. User projects can also set QT_FORCE_MIN_CMAKE_VERSION_FOR_USING_QT to disable the version check. Then it's the project's developer responsibility to ensure such a Qt works correctly. No official support is provided for these cases. Implementation notes. The versions required to build Qt are stored in QtBuildInternalsExtra.cmake whereas the versions required to use Qt are stored in a new QtConfigExtras.cmake. Also the policy range variables stored in QtBuildInternalsExtra.cmake are now regular variables instead of cache variables, to properly allow overrides per-repository. Some renaming of functions and variables was done for a bit more clarity and easier grep-ability. Pick-to: 6.2 Task-number: QTBUG-95018 Change-Id: I4279f2e10b6d3977319237ba21e2f4ed676aa48b Reviewed-by: Alexey Edelev <alexey.edelev@qt.io> Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
326 lines
14 KiB
CMake
326 lines
14 KiB
CMake
set(__GlobalConfig_path_suffix "${INSTALL_CMAKE_NAMESPACE}")
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qt_path_join(__GlobalConfig_build_dir ${QT_CONFIG_BUILD_DIR} ${__GlobalConfig_path_suffix})
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qt_path_join(__GlobalConfig_install_dir ${QT_CONFIG_INSTALL_DIR} ${__GlobalConfig_path_suffix})
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set(__GlobalConfig_install_dir_absolute "${__GlobalConfig_install_dir}")
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set(__qt_bin_dir_absolute "${QT_INSTALL_DIR}/${INSTALL_BINDIR}")
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set(__qt_libexec_dir_absolute "${QT_INSTALL_DIR}/${INSTALL_LIBEXECDIR}")
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if(QT_WILL_INSTALL)
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# Need to prepend the install prefix when doing prefix builds, because the config install dir
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# is relative then.
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qt_path_join(__GlobalConfig_install_dir_absolute
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${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}
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${__GlobalConfig_install_dir_absolute})
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qt_path_join(__qt_bin_dir_absolute
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${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX} ${__qt_bin_dir_absolute})
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qt_path_join(__qt_libexec_dir_absolute
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${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX} ${__qt_libexec_dir_absolute})
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endif()
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# Compute relative path from $qt_prefix/bin dir to global CMake config install dir, to use in the
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# unix-y qt-cmake shell script, to make it work even if the installed Qt is relocated.
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file(RELATIVE_PATH
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__GlobalConfig_relative_path_from_bin_dir_to_cmake_config_dir
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${__qt_bin_dir_absolute} ${__GlobalConfig_install_dir_absolute})
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# Configure and install the QtBuildInternals package.
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set(__build_internals_path_suffix "${INSTALL_CMAKE_NAMESPACE}BuildInternals")
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qt_path_join(__build_internals_build_dir ${QT_CONFIG_BUILD_DIR} ${__build_internals_path_suffix})
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qt_path_join(__build_internals_install_dir ${QT_CONFIG_INSTALL_DIR}
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${__build_internals_path_suffix})
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set(__build_internals_standalone_test_template_dir "QtStandaloneTestTemplateProject")
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configure_file(
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake/QtBuildInternals/QtBuildInternalsConfig.cmake"
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"${__build_internals_build_dir}/${INSTALL_CMAKE_NAMESPACE}BuildInternalsConfig.cmake"
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@ONLY
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)
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qt_install(FILES
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"${__build_internals_build_dir}/${INSTALL_CMAKE_NAMESPACE}BuildInternalsConfig.cmake"
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"${__build_internals_build_dir}/QtBuildInternalsExtra.cmake"
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DESTINATION "${__build_internals_install_dir}"
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COMPONENT Devel
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)
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qt_copy_or_install(
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DIRECTORY
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake/QtBuildInternals/${__build_internals_standalone_test_template_dir}"
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DESTINATION "${__build_internals_install_dir}")
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake/QtBuildInternals/${__build_internals_standalone_test_template_dir}/CMakeLists.txt")
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include(QtToolchainHelpers)
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qt_internal_create_toolchain_file()
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include(QtWrapperScriptHelpers)
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qt_internal_create_wrapper_scripts()
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## Library to hold global features:
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## These features are stored and accessed via Qt::GlobalConfig, but the
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## files always lived in Qt::Core, so we keep it that way
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add_library(GlobalConfig INTERFACE)
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target_include_directories(GlobalConfig INTERFACE
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$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>
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$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include/QtCore>
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$<INSTALL_INTERFACE:${INSTALL_INCLUDEDIR}>
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$<INSTALL_INTERFACE:${INSTALL_INCLUDEDIR}/QtCore>
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)
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qt_feature_module_begin(NO_MODULE
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PUBLIC_FILE src/corelib/global/qconfig.h
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PRIVATE_FILE src/corelib/global/qconfig_p.h
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)
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include("${CMAKE_CURRENT_SOURCE_DIR}/configure.cmake")
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# Do what mkspecs/features/uikit/default_pre.prf does, aka enable sse2 for
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# simulator_and_device_builds.
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qt_internal_get_first_osx_arch(__qt_osx_first_arch)
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set(__qt_apple_silicon_arches "arm64;arm64e")
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if((UIKIT AND NOT QT_UIKIT_SDK)
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OR (MACOS AND QT_IS_MACOS_UNIVERSAL
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AND __qt_osx_first_arch IN_LIST __qt_apple_silicon_arches))
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set(QT_FORCE_FEATURE_sse2 ON CACHE INTERNAL "Force enable sse2 due to platform requirements.")
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set(__QtFeature_custom_enabled_cache_variables
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TEST_subarch_sse2
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FEATURE_sse2
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QT_FEATURE_sse2)
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endif()
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if(MACOS AND QT_IS_MACOS_UNIVERSAL AND __qt_osx_first_arch STREQUAL "x86_64")
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set(QT_FORCE_FEATURE_neon ON CACHE INTERNAL "Force enable neon due to platform requirements.")
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set(__QtFeature_custom_enabled_cache_variables
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TEST_subarch_neon
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FEATURE_neon
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QT_FEATURE_neon)
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endif()
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qt_feature_module_end(GlobalConfig OUT_VAR_PREFIX "__GlobalConfig_")
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qt_generate_global_config_pri_file()
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qt_generate_global_module_pri_file()
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qt_generate_global_device_pri_file()
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qt_generate_qmake_wrapper_for_target()
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add_library(Qt::GlobalConfig ALIAS GlobalConfig)
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add_library(GlobalConfigPrivate INTERFACE)
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target_link_libraries(GlobalConfigPrivate INTERFACE GlobalConfig)
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target_include_directories(GlobalConfigPrivate INTERFACE
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$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include/QtCore/${PROJECT_VERSION}>
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$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include/QtCore/${PROJECT_VERSION}/QtCore>
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$<INSTALL_INTERFACE:${INSTALL_INCLUDEDIR}/QtCore/${PROJECT_VERSION}>
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$<INSTALL_INTERFACE:${INSTALL_INCLUDEDIR}/QtCore/${PROJECT_VERSION}/QtCore>
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)
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add_library(Qt::GlobalConfigPrivate ALIAS GlobalConfigPrivate)
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include(QtPlatformTargetHelpers)
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qt_internal_setup_public_platform_target()
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# defines PlatformCommonInternal PlatformModuleInternal PlatformPluginInternal PlatformToolInternal
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include(QtInternalTargets)
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qt_internal_run_common_config_tests()
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# Setup sanitizer options for qtbase directory scope based on features computed above.
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qt_internal_set_up_sanitizer_options()
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include("${CMAKE_CURRENT_LIST_DIR}/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake")
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set(__export_targets Platform
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GlobalConfig
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GlobalConfigPrivate
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PlatformCommonInternal
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PlatformModuleInternal
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PlatformPluginInternal
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PlatformAppInternal
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PlatformToolInternal)
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set(__export_name "${INSTALL_CMAKE_NAMESPACE}Targets")
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qt_install(TARGETS ${__export_targets} EXPORT "${__export_name}")
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qt_install(EXPORT ${__export_name}
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NAMESPACE ${QT_CMAKE_EXPORT_NAMESPACE}::
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DESTINATION "${__GlobalConfig_install_dir}")
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qt_internal_export_modern_cmake_config_targets_file(TARGETS ${__export_targets}
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EXPORT_NAME_PREFIX ${INSTALL_CMAKE_NAMESPACE}
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CONFIG_INSTALL_DIR
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${__GlobalConfig_install_dir})
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# Save minimum required CMake version to use Qt.
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qt_internal_get_supported_min_cmake_version_for_using_qt(supported_min_version_for_using_qt)
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qt_internal_get_computed_min_cmake_version_for_using_qt(computed_min_version_for_using_qt)
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# Get the lower and upper policy range to embed into the Qt6 config file.
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qt_internal_get_min_new_policy_cmake_version(min_new_policy_version)
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qt_internal_get_max_new_policy_cmake_version(max_new_policy_version)
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# Generate and install Qt6 config file. Make sure it happens after the global feature evaluation so
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# they can be accessed in the Config file if needed.
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configure_package_config_file(
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"${PROJECT_SOURCE_DIR}/cmake/QtConfig.cmake.in"
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"${__GlobalConfig_build_dir}/${INSTALL_CMAKE_NAMESPACE}Config.cmake"
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INSTALL_DESTINATION "${__GlobalConfig_install_dir}"
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)
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configure_file(
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"${PROJECT_SOURCE_DIR}/cmake/QtConfigExtras.cmake.in"
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"${__GlobalConfig_build_dir}/${INSTALL_CMAKE_NAMESPACE}ConfigExtras.cmake"
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@ONLY
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)
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write_basic_package_version_file(
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"${__GlobalConfig_build_dir}/${INSTALL_CMAKE_NAMESPACE}ConfigVersion.cmake"
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VERSION ${PROJECT_VERSION}
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COMPATIBILITY AnyNewerVersion
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)
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qt_install(FILES
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"${__GlobalConfig_build_dir}/${INSTALL_CMAKE_NAMESPACE}Config.cmake"
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"${__GlobalConfig_build_dir}/${INSTALL_CMAKE_NAMESPACE}ConfigExtras.cmake"
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"${__GlobalConfig_build_dir}/${INSTALL_CMAKE_NAMESPACE}ConfigVersion.cmake"
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DESTINATION "${__GlobalConfig_install_dir}"
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COMPONENT Devel
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)
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# Install internal CMake files.
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# The functions defined inside can not be used in public projects.
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# They can only be used while building Qt itself.
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qt_copy_or_install(FILES
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cmake/ModuleDescription.json.in
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cmake/Qt3rdPartyLibraryConfig.cmake.in
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cmake/Qt3rdPartyLibraryHelpers.cmake
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cmake/QtAndroidHelpers.cmake
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cmake/QtAppHelpers.cmake
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cmake/QtAutogenHelpers.cmake
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cmake/QtBuild.cmake
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cmake/QtBuildInformation.cmake
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cmake/QtCMakeHelpers.cmake
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cmake/QtCMakeVersionHelpers.cmake
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cmake/QtCompilerFlags.cmake
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cmake/QtCompilerOptimization.cmake
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cmake/QtConfigDependencies.cmake.in
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cmake/QtDeferredDependenciesHelpers.cmake
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cmake/QtDbusHelpers.cmake
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cmake/QtDocsHelpers.cmake
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cmake/QtExecutableHelpers.cmake
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cmake/QtFileConfigure.txt.in
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cmake/QtFindPackageHelpers.cmake
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cmake/QtFindWrapConfigExtra.cmake.in
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cmake/QtFindWrapHelper.cmake
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cmake/QtFinishPrlFile.cmake
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cmake/QtFlagHandlingHelpers.cmake
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cmake/QtFrameworkHelpers.cmake
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cmake/QtGenerateExtPri.cmake
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cmake/QtGenerateLibHelpers.cmake
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cmake/QtGenerateLibPri.cmake
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cmake/QtGlobalStateHelpers.cmake
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cmake/QtHeadersClean.cmake
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cmake/QtInstallHelpers.cmake
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cmake/QtJavaHelpers.cmake
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cmake/QtLalrHelpers.cmake
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cmake/QtModuleConfig.cmake.in
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cmake/QtModuleDependencies.cmake.in
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cmake/QtModuleHelpers.cmake
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cmake/QtModuleToolsConfig.cmake.in
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cmake/QtModuleToolsDependencies.cmake.in
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cmake/QtModuleToolsVersionlessTargets.cmake.in
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cmake/QtNoLinkTargetHelpers.cmake
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cmake/QtPlatformAndroid.cmake
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cmake/QtPlatformSupport.cmake
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cmake/QtPluginConfig.cmake.in
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cmake/QtPluginDependencies.cmake.in
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cmake/QtPluginHelpers.cmake
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cmake/QtPlugins.cmake.in
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cmake/QtPostProcess.cmake
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cmake/QtPostProcessHelpers.cmake
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cmake/QtPrecompiledHeadersHelpers.cmake
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cmake/QtPriHelpers.cmake
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cmake/QtPrlHelpers.cmake
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cmake/QtPlatformTargetHelpers.cmake
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cmake/QtProcessConfigureArgs.cmake
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cmake/QtQmakeHelpers.cmake
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cmake/QtResourceHelpers.cmake
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cmake/QtRpathHelpers.cmake
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cmake/QtSanitizerHelpers.cmake
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cmake/QtScopeFinalizerHelpers.cmake
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cmake/QtSeparateDebugInfo.Info.plist.in
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cmake/QtSeparateDebugInfo.cmake
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cmake/QtSetup.cmake
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cmake/QtSimdHelpers.cmake
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cmake/QtSingleRepoTargetSetBuildHelpers.cmake
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cmake/QtStandaloneTestsConfig.cmake.in
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cmake/QtSyncQtHelpers.cmake
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cmake/QtTargetHelpers.cmake
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cmake/QtTestHelpers.cmake
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cmake/QtToolchainHelpers.cmake
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cmake/QtToolHelpers.cmake
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cmake/QtWasmHelpers.cmake
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cmake/QtWrapperScriptHelpers.cmake
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cmake/QtWriteArgsFile.cmake
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cmake/modulecppexports.h.in
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DESTINATION "${__GlobalConfig_install_dir}"
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)
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# Install public config.tests files.
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qt_copy_or_install(DIRECTORY
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"config.tests/static_link_order"
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DESTINATION "${__GlobalConfig_install_dir}/config.tests"
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)
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# Install public CMake files.
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# The functions defined inside can be used in both public projects and while building Qt.
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# Usually we put such functions into Qt6CoreMacros.cmake, but that's getting bloated.
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# These files will be included by Qt6Config.cmake.
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set(__public_cmake_helpers
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cmake/QtFeature.cmake
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cmake/QtFeatureCommon.cmake
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cmake/QtPublicCMakeVersionHelpers.cmake
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cmake/QtPublicFinalizerHelpers.cmake
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cmake/QtPublicPluginHelpers.cmake
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cmake/QtPublicTargetHelpers.cmake
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cmake/QtPublicWalkLibsHelpers.cmake
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cmake/QtPublicFindPackageHelpers.cmake
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cmake/QtPublicDependencyHelpers.cmake
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)
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qt_copy_or_install(FILES ${__public_cmake_helpers} DESTINATION "${__GlobalConfig_install_dir}")
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# In prefix builds we also need to copy the files into the build config directory, so that the
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# build-dir Qt6Config.cmake finds the files when building examples in-tree.
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if(QT_WILL_INSTALL)
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foreach(_public_cmake_helper ${__public_cmake_helpers})
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file(COPY "${_public_cmake_helper}" DESTINATION "${__GlobalConfig_build_dir}")
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endforeach()
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endif()
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# TODO: Check whether this is the right place to install these
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qt_copy_or_install(DIRECTORY "cmake/3rdparty" DESTINATION "${__GlobalConfig_install_dir}")
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# In prefix builds we also need to copy the files into the build config directory, so that the
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# build-dir Qt6Config.cmake finds the files when building other repos in a top-level build.
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if(QT_WILL_INSTALL)
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file(COPY "cmake/3rdparty" DESTINATION "${__GlobalConfig_build_dir}")
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endif()
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# Install our custom Find modules, which will be used by the find_dependency() calls
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# inside the generated ModuleDependencies cmake files.
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qt_copy_or_install(DIRECTORY cmake/
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DESTINATION "${__GlobalConfig_install_dir}"
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FILES_MATCHING PATTERN "Find*.cmake"
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PATTERN "tests" EXCLUDE
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PATTERN "3rdparty" EXCLUDE
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)
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if(MACOS)
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qt_copy_or_install(FILES
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cmake/macos/MacOSXBundleInfo.plist.in
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DESTINATION "${__GlobalConfig_install_dir}/macos"
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)
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elseif(IOS)
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qt_copy_or_install(FILES
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cmake/ios/MacOSXBundleInfo.plist.in
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DESTINATION "${__GlobalConfig_install_dir}/ios"
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)
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endif()
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# Install CI support files to libexec.
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qt_path_join(__qt_libexec_install_dir "${QT_INSTALL_DIR}" "${INSTALL_LIBEXECDIR}")
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qt_copy_or_install(FILES coin/instructions/qmake/ensure_pro_file.cmake
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DESTINATION "${__qt_libexec_install_dir}")
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