From e9a797799ee7e81d1cd113ba56f62705ae150e5c Mon Sep 17 00:00:00 2001 From: Alexandru Croitor Date: Mon, 2 Dec 2019 18:03:47 +0100 Subject: CMake: Add Qt6 forward compatible CMake API and targets Create Qt:: versionless targets for libraries and tools. So Qt::Core will link to Qt5::Core. Add additional feature properties to targets, with the same name they have in Qt6: QT_ENABLED_PUBLIC_FEATURES, QT_DISABLED_PUBLIC_FEATURES, QT_ENABLED_PRIVATE_FEATURES, QT_DISABLED_PRIVATE_FEATURES, to be forward-compatible with Qt6. Prefix properties with INTERFACE_ for interface libraries. Create functions with no major version in their prefix, so qt_foo instead of qt5_foo. The non-versioned functions will call the versioned functions, depending on the value of QT_DEFAULT_MAJOR_VERSION, which can be set by an application developer before finding the Qt package. Set QT_DEFAULT_MAJOR_VERSION to 5 if the value has not been defined in the current scope. Application developers can set QT_NO_CREATE_VERSIONLESS_FUNCTIONS to TRUE before calling find_package(Qt5) to suppress creation of the non-versioned functions. Application developers can set QT_NO_CREATE_VERSIONLESS_TARGETS to TRUE before calling find_package(Qt5) to suppress creation of the non-versioned targets. Setting these can be useful when both find_package(Qt5) and find_package(Qt6) are in the same project. If none of these are set by the user, then the first find_package(Qt5) will create versionless targets with the major version being "5", which means the second find_package(Qt6) will not create versionless targets. Handle versionless plugin names in qt_import_plugins, so both Qt::QCocoaIntegrationPlugin and Qt5/6::QCocoaIntegrationPlugin are recognized by the function. Allow specifying multiple types in EXCLUDE_BY_TYPE in qt_import_plugins, to be consitent with the Qt 6 version. Make sure to set the QT_PLUGIN_CLASS_NAME property to compatible with Qt 6. Task-number: QTBUG-74137 Task-number: QTBUG-80477 Change-Id: Ib89d090ea6f7794d7debd64f03f29da963a17ca7 Reviewed-by: Joerg Bornemann --- .../features/data/cmake/Qt5BasicConfig.cmake.in | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in') diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in index 26d4c17e6c..01dda9b0c3 100644 --- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in +++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in @@ -406,6 +406,15 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME}) add_library(Qt5::$${CMAKE_MODULE_NAME} SHARED IMPORTED) !!ENDIF !!ENDIF + + # Add a versionless target, for compatibility with Qt6. + if(NOT \"${QT_NO_CREATE_VERSIONLESS_TARGETS}\" AND NOT TARGET Qt::$${CMAKE_MODULE_NAME}) + add_library(Qt::$${CMAKE_MODULE_NAME} INTERFACE IMPORTED) + set_target_properties(Qt::$${CMAKE_MODULE_NAME} PROPERTIES + INTERFACE_LINK_LIBRARIES \"Qt5::$${CMAKE_MODULE_NAME}\" + ) + endif() + !!IF !equals(TEMPLATE, aux) !!IF !isEmpty(CMAKE_BUILD_IS_FRAMEWORK) set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} PROPERTY FRAMEWORK 1) @@ -420,6 +429,20 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME}) set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} PROPERTY INTERFACE_QT_ENABLED_FEATURES $$join(QT.$${MODULE}.enabled_features, ";")) set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} PROPERTY INTERFACE_QT_DISABLED_FEATURES $$join(QT.$${MODULE}.disabled_features, ";")) + # Qt 6 forward compatible properties. + set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} + PROPERTY $${CMAKE_FEATURE_PROPERTY_PREFIX}QT_ENABLED_PUBLIC_FEATURES + $$join(QT.$${MODULE}.enabled_features, ";")) + set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} + PROPERTY $${CMAKE_FEATURE_PROPERTY_PREFIX}QT_DISABLED_PUBLIC_FEATURES + $$join(QT.$${MODULE}.disabled_features, ";")) + set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} + PROPERTY $${CMAKE_FEATURE_PROPERTY_PREFIX}QT_ENABLED_PRIVATE_FEATURES + $$join(QT.$${MODULE}_private.enabled_features, ";")) + set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} + PROPERTY $${CMAKE_FEATURE_PROPERTY_PREFIX}QT_DISABLED_PRIVATE_FEATURES + $$join(QT.$${MODULE}_private.disabled_features, ";")) + set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} PROPERTY INTERFACE_QT_PLUGIN_TYPES \"$${CMAKE_MODULE_PLUGIN_TYPES}\") set(_Qt5$${CMAKE_MODULE_NAME}_PRIVATE_DIRS_EXIST TRUE) @@ -443,6 +466,14 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME}) set_property(TARGET Qt5::$${CMAKE_MODULE_NAME}Private PROPERTY INTERFACE_LINK_LIBRARIES Qt5::$${CMAKE_MODULE_NAME} ${_Qt5$${CMAKE_MODULE_NAME}_PRIVATEDEPS} ) + + # Add a versionless target, for compatibility with Qt6. + if(NOT \"${QT_NO_CREATE_VERSIONLESS_TARGETS}\" AND NOT TARGET Qt::$${CMAKE_MODULE_NAME}Private) + add_library(Qt::$${CMAKE_MODULE_NAME}Private INTERFACE IMPORTED) + set_target_properties(Qt::$${CMAKE_MODULE_NAME}Private PROPERTIES + INTERFACE_LINK_LIBRARIES \"Qt5::$${CMAKE_MODULE_NAME}Private\" + ) + endif() endif() !!IF !equals(TEMPLATE, aux) -- cgit v1.2.3