qt5base-lts/cmake/QtPlugins.cmake.in

@QT_MODULE_PLUGIN_INCLUDES@

if(NOT @BUILD_SHARED_LIBS@)
    set(_module_target "@INSTALL_CMAKE_NAMESPACE@::@QT_MODULE@")
    # Properties can't be set on aliased targets, so make sure to unalias the target. This is needed
    # when Qt examples are built as part of the Qt build itself.
    get_target_property(_aliased_target ${_module_target} ALIASED_TARGET)
    if(_aliased_target)
        set(_module_target ${_aliased_target})
    endif()
    unset(_aliased_target)

    set(_default_plugins_are_enabled "$<NOT:$<STREQUAL:$<GENEX_EVAL:$<TARGET_PROPERTY:QT_DEFAULT_PLUGINS>>,0>>")
    # Make sure to boolify the result of the expression, in case if the returned property value
    # is empty.
    set(_default_plugins_are_enabled_wrapped "$<BOOL:${_default_plugins_are_enabled}>")
    set(_manual_plugins_genex "$<GENEX_EVAL:$<TARGET_PROPERTY:QT_PLUGINS>>")
    set(_no_plugins_genex "$<GENEX_EVAL:$<TARGET_PROPERTY:QT_NO_PLUGINS>>")

    # The code in here uses the properties defined in qt_import_plugins (Qt6CoreMacros.cmake)
    foreach(target @qt_plugins@)
        set(_plugin_target "@INSTALL_CMAKE_NAMESPACE@::${target}")
        get_target_property(_classname "${_plugin_target}" QT_PLUGIN_CLASS_NAME)
        if(NOT _classname)
          message("Warning: plugin ${_plugin_target} has no class name, skipping.")
          continue()
        endif()

        get_target_property(_plugin_type "${_plugin_target}" QT_PLUGIN_TYPE)
        if(NOT _plugin_type)
          message("Warning: plugin ${_plugin_target} has no type ('${_plugin_type}'), skipping.")
          continue()
        endif()

        list(APPEND "QT_ALL_PLUGINS_FOUND_BY_FIND_PACKAGE_${_plugin_type}" "${target}")

        set(_plugin_is_default "$<TARGET_PROPERTY:${_plugin_target},QT_DEFAULT_PLUGIN>")

        # INCLUDE
        set(_plugin_is_whitelisted "$<IN_LIST:${_plugin_target},${_manual_plugins_genex}>")

        # Note: qt_import_plugins sets the QT_PLUGINS_${_plugin_type} to "-"
        # when excluding it with EXCLUDE_BY_TYPE,
        # which ensures that no plug-in will be supported unless explicitly re-added afterwards.
        string(CONCAT _plugin_is_not_blacklisted
            "$<AND:"
                "$<NOT:" # EXCLUDE
                    "$<IN_LIST:${_plugin_target},${_no_plugins_genex}>"
                ">,"
                # excludes both plugins targeted by EXCLUDE_BY_TYPE and not included in INCLUDE_BY_TYPE
                "$<STREQUAL:,$<GENEX_EVAL:$<TARGET_PROPERTY:QT_PLUGINS_${_plugin_type}>>>"
            ">"
        )

        # Support INCLUDE_BY_TYPE
        string(CONCAT _plugin_is_in_type_whitelist
            "$<IN_LIST:"
                "${_plugin_target},"
                "$<GENEX_EVAL:"
                    "$<TARGET_PROPERTY:QT_PLUGINS_${_plugin_type}>"
                ">"
            ">"
        )

        # Complete condition that defines whether a static plugin is linked
        string(CONCAT _plugin_condition
            "$<BOOL:$<OR:"
                "${_plugin_is_whitelisted},"
                "${_plugin_is_in_type_whitelist},"
                "$<AND:"
                    "${_default_plugins_are_enabled_wrapped},"
                    "${_plugin_is_default},"
                    "${_plugin_is_not_blacklisted}"
                ">"
            ">>"
        )

        # If this condition is true, we link against the plug-in
        set(_plugin_genex "$<${_plugin_condition}:${_plugin_target}>")
        target_link_libraries(${_module_target} INTERFACE "${_plugin_genex}")

        # Generate a source file to import that plug-in
        file(GENERATE
            OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/qt_@QT_MODULE@_${target}.cpp"
            CONTENT "#include <QtPlugin>\nQ_IMPORT_PLUGIN(${_classname})"
        )
        target_sources(${_module_target} INTERFACE "$<${_plugin_condition}:${CMAKE_CURRENT_BINARY_DIR}/qt_@QT_MODULE@_${target}.cpp>")
    endforeach()
endif()