5807e1ae81
In static builds, we cannot allow any part of the main build to make a call to find_package(Qt6...) where such a call may load a Qt6*Plugins.cmake file. That would add additional dependencies to the main module targets, setting up a circular dependency in the set of *Config.cmake files which cannot be resolved. This scenario would be triggered by per-repo builds or user projects. But Qt's tools and other executables still need to load some plugins in static builds. Sometimes a platform plugin may be enough, other times we may want all supportable plugins (e.g. Qt Designer). Therefore, add all plugins we can identify as relevant for an executable that is part of the Qt build, but add them directly to the executable without affecting the linking relationships between the main module libraries. Also remove the now unnecessary check for QT_BUILD_PROJECT_NAME in top level builds because there should be no difference between per-repo and top level builds any more (as far as linking static plugins is concerned). Examples that build as part of the main build will still build successfully after this change, but they will not run if they require a platform plugin. Examples need to be moved out to a separate build where they can call find_package(Qt6) without QT_NO_CREATE_TARGETS set to TRUE to be runnable (see QTBUG-90820). Fixes: QTBUG-91915 Pick-to: 6.1 Change-Id: I8088baddb54e394ca111b103313596d6743570ba Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
216 lines
8.8 KiB
CMake
216 lines
8.8 KiB
CMake
# This function creates a CMake target for a generic console or GUI binary.
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# Please consider to use a more specific version target like the one created
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# by qt_add_test or qt_add_tool below.
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function(qt_internal_add_executable name)
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qt_parse_all_arguments(arg "qt_internal_add_executable"
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"${__qt_internal_add_executable_optional_args}"
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"${__qt_internal_add_executable_single_args}"
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"${__qt_internal_add_executable_multi_args}"
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${ARGN})
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if ("x${arg_OUTPUT_DIRECTORY}" STREQUAL "x")
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set(arg_OUTPUT_DIRECTORY "${QT_BUILD_DIR}/${INSTALL_BINDIR}")
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endif()
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get_filename_component(arg_OUTPUT_DIRECTORY "${arg_OUTPUT_DIRECTORY}"
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ABSOLUTE BASE_DIR "${QT_BUILD_DIR}")
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if ("x${arg_INSTALL_DIRECTORY}" STREQUAL "x")
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set(arg_INSTALL_DIRECTORY "${INSTALL_BINDIR}")
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endif()
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if (ANDROID)
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add_library("${name}" MODULE)
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qt_android_apply_arch_suffix("${name}")
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qt_android_generate_deployment_settings("${name}")
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qt_android_add_apk_target("${name}")
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else()
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add_executable("${name}" ${arg_EXE_FLAGS})
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endif()
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if(arg_QT_APP AND QT_FEATURE_debug_and_release AND CMAKE_VERSION VERSION_GREATER_EQUAL "3.19.0")
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set_property(TARGET "${target}"
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PROPERTY EXCLUDE_FROM_ALL "$<NOT:$<CONFIG:${QT_MULTI_CONFIG_FIRST_CONFIG}>>")
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endif()
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if (arg_VERSION)
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if(arg_VERSION MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+")
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# nothing to do
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elseif(arg_VERSION MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
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set(arg_VERSION "${arg_VERSION}.0")
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elseif(arg_VERSION MATCHES "[0-9]+\\.[0-9]+")
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set(arg_VERSION "${arg_VERSION}.0.0")
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elseif (arg_VERSION MATCHES "[0-9]+")
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set(arg_VERSION "${arg_VERSION}.0.0.0")
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else()
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message(FATAL_ERROR "Invalid version format")
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endif()
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endif()
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if(arg_DELAY_TARGET_INFO)
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# Delay the setting of target info properties if requested. Needed for scope finalization
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# of Qt apps.
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set_target_properties("${name}" PROPERTIES
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QT_DELAYED_TARGET_VERSION "${arg_VERSION}"
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QT_DELAYED_TARGET_PRODUCT "${arg_TARGET_PRODUCT}"
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QT_DELAYED_TARGET_DESCRIPTION "${arg_TARGET_DESCRIPTION}"
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QT_DELAYED_TARGET_COMPANY "${arg_TARGET_COMPANY}"
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QT_DELAYED_TARGET_COPYRIGHT "${arg_TARGET_COPYRIGHT}"
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)
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else()
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if("${arg_TARGET_DESCRIPTION}" STREQUAL "")
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set(arg_TARGET_DESCRIPTION "Qt ${name}")
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endif()
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qt_set_target_info_properties(${name} ${ARGN}
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TARGET_DESCRIPTION "${arg_TARGET_DESCRIPTION}"
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TARGET_VERSION "${arg_VERSION}")
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endif()
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if (WIN32 AND NOT arg_DELAY_RC)
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_qt_internal_generate_win32_rc_file(${name})
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endif()
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qt_set_common_target_properties(${name})
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if(ANDROID)
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# On our qmake builds we don't compile the executables with
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# visibility=hidden. Not having this flag set will cause the
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# executable to have main() hidden and can then no longer be loaded
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# through dlopen()
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set_property(TARGET ${name} PROPERTY C_VISIBILITY_PRESET default)
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set_property(TARGET ${name} PROPERTY CXX_VISIBILITY_PRESET default)
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endif()
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qt_autogen_tools_initial_setup(${name})
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qt_skip_warnings_are_errors_when_repo_unclean("${name}")
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set(extra_libraries "")
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if(NOT arg_BOOTSTRAP)
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set(extra_libraries "Qt::Core")
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endif()
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set(private_includes
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"${CMAKE_CURRENT_SOURCE_DIR}"
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"${CMAKE_CURRENT_BINARY_DIR}"
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${arg_INCLUDE_DIRECTORIES}
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)
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qt_internal_extend_target("${name}"
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SOURCES ${arg_SOURCES}
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INCLUDE_DIRECTORIES ${private_includes}
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DEFINES ${arg_DEFINES}
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LIBRARIES ${arg_LIBRARIES} Qt::PlatformCommonInternal
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PUBLIC_LIBRARIES ${extra_libraries} ${arg_PUBLIC_LIBRARIES}
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DBUS_ADAPTOR_SOURCES "${arg_DBUS_ADAPTOR_SOURCES}"
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DBUS_ADAPTOR_FLAGS "${arg_DBUS_ADAPTOR_FLAGS}"
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DBUS_INTERFACE_SOURCES "${arg_DBUS_INTERFACE_SOURCES}"
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DBUS_INTERFACE_FLAGS "${arg_DBUS_INTERFACE_FLAGS}"
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COMPILE_OPTIONS ${arg_COMPILE_OPTIONS}
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LINK_OPTIONS ${arg_LINK_OPTIONS}
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MOC_OPTIONS ${arg_MOC_OPTIONS}
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ENABLE_AUTOGEN_TOOLS ${arg_ENABLE_AUTOGEN_TOOLS}
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DISABLE_AUTOGEN_TOOLS ${arg_DISABLE_AUTOGEN_TOOLS}
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)
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set_target_properties("${name}" PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY "${arg_OUTPUT_DIRECTORY}"
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LIBRARY_OUTPUT_DIRECTORY "${arg_OUTPUT_DIRECTORY}"
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WIN32_EXECUTABLE "${arg_GUI}"
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MACOSX_BUNDLE "${arg_GUI}"
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)
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qt_internal_set_exceptions_flags("${name}" ${arg_EXCEPTIONS})
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# Check if target needs to be excluded from all target. Also affects qt_install.
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# Set by qt_exclude_tool_directories_from_default_target.
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set(exclude_from_all FALSE)
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if(__qt_exclude_tool_directories)
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foreach(absolute_dir ${__qt_exclude_tool_directories})
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string(FIND "${CMAKE_CURRENT_SOURCE_DIR}" "${absolute_dir}" dir_starting_pos)
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if(dir_starting_pos EQUAL 0)
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set(exclude_from_all TRUE)
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set_target_properties("${name}" PROPERTIES EXCLUDE_FROM_ALL TRUE)
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break()
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endif()
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endforeach()
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endif()
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if(NOT arg_NO_INSTALL)
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set(additional_install_args "")
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if(exclude_from_all)
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list(APPEND additional_install_args EXCLUDE_FROM_ALL COMPONENT "ExcludedExecutables")
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endif()
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qt_get_cmake_configurations(cmake_configs)
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foreach(cmake_config ${cmake_configs})
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qt_get_install_target_default_args(
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OUT_VAR install_targets_default_args
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CMAKE_CONFIG "${cmake_config}"
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ALL_CMAKE_CONFIGS "${cmake_configs}"
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RUNTIME "${arg_INSTALL_DIRECTORY}"
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LIBRARY "${arg_INSTALL_DIRECTORY}"
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BUNDLE "${arg_INSTALL_DIRECTORY}")
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# Make installation optional for targets that are not built by default in this config
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if(NOT exclude_from_all AND arg_QT_APP AND QT_FEATURE_debug_and_release
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AND NOT (cmake_config STREQUAL QT_MULTI_CONFIG_FIRST_CONFIG))
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set(install_optional_arg "OPTIONAL")
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else()
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unset(install_optional_arg)
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endif()
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qt_install(TARGETS "${name}"
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${additional_install_args} # Needs to be before the DESTINATIONS.
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${install_optional_arg}
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CONFIGURATIONS ${cmake_config}
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${install_targets_default_args})
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endforeach()
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qt_enable_separate_debug_info(${name} "${arg_INSTALL_DIRECTORY}")
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qt_internal_install_pdb_files(${name} "${arg_INSTALL_DIRECTORY}")
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endif()
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# If linking against Gui, make sure to also build the default QPA plugin.
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# This makes the experience of an initial Qt configuration to build and run one single
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# test / executable nicer.
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get_target_property(linked_libs "${name}" LINK_LIBRARIES)
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if("Qt::Gui" IN_LIST linked_libs AND TARGET qpa_default_plugins)
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add_dependencies("${name}" qpa_default_plugins)
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endif()
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if(NOT BUILD_SHARED_LIBS)
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# For static builds, we need to explicitly link to plugins we want to be
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# loaded with the executable. User projects get that automatically, but
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# for tools built as part of Qt, we can't use that mechanism because it
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# would pollute the targets we export as part of an install and lead to
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# circular dependencies. The logic here is a simpler equivalent of the
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# more dynamic logic in QtPlugins.cmake.in, but restricted to only
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# adding plugins that are provided by the same module as the module
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# libraries the executable links to.
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set(libs
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${arg_LIBRARIES}
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${arg_PUBLIC_LIBRARIES}
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${extra_libraries}
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Qt::PlatformCommonInternal
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)
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list(REMOVE_DUPLICATES libs)
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foreach(lib IN LISTS libs)
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if(NOT TARGET "${lib}")
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continue()
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endif()
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string(MAKE_C_IDENTIFIER "${name}_plugin_imports_${lib}" out_file)
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string(APPEND out_file .cpp)
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set(class_names "$<GENEX_EVAL:$<TARGET_PROPERTY:${lib},QT_REPO_PLUGIN_CLASS_NAMES>>")
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file(GENERATE OUTPUT ${out_file} CONTENT
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"// This file is auto-generated. Do not edit.
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#include <QtPlugin>
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Q_IMPORT_PLUGIN($<JOIN:${class_names},)\nQ_IMPORT_PLUGIN(>)
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"
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CONDITION "$<NOT:$<STREQUAL:${class_names},>>"
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)
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target_sources(${name} PRIVATE
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"$<$<NOT:$<STREQUAL:${class_names},>>:${out_file}>"
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)
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target_link_libraries(${name} PRIVATE "$<TARGET_PROPERTY:${lib},QT_REPO_PLUGINS>")
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endforeach()
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endif()
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endfunction()
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