CMake: Add handling of PLUGIN_EXTENDS for generic plugins

Modify pro2cmake converter to add extra argument to
qt_internal_add_plugin. DEFINE_IF FALSE is added to generic plugins
those had "PLUGIN_EXTENDS = - " specified in .pro files.

Fixes: QTBUG-87861
Change-Id: I9269df19a32a088f5261f50e7ffff6d29c3d605f
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

cmake/QtPluginHelpers.cmake

@@ -133,11 +133,10 @@ function(qt_internal_add_plugin target)
                               _qt_plugin_install_package_suffix "${plugin_install_package_suffix}")
     endif()
 
-    # TODO: This is a bit too coarse for generic plugins.
-    # The generic plugins should also be enabled by default, once QTBUG-87861 is fixed.
+    # The generic plugins should be enabled by default.
     # But platform plugins should always be disabled by default, and only one is enabled
     # based on the platform (condition specified in arg_DEFAULT_IF).
-    if(plugin_type_escaped STREQUAL "generic" OR plugin_type_escaped STREQUAL "platforms")
+    if(plugin_type_escaped STREQUAL "platforms")
         set(_default_plugin 0)
     else()
         set(_default_plugin 1)

src/plugins/generic/evdevkeyboard/CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QEvdevKeyboardPlugin
     OUTPUT_NAME qevdevkeyboardplugin
     TYPE generic
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
     PUBLIC_LIBRARIES

src/plugins/generic/evdevmouse/CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QEvdevMousePlugin
     OUTPUT_NAME qevdevmouseplugin
     TYPE generic
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
     PUBLIC_LIBRARIES

src/plugins/generic/evdevtablet/CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QEvdevTabletPlugin
     OUTPUT_NAME qevdevtabletplugin
     TYPE generic
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
     PUBLIC_LIBRARIES

src/plugins/generic/evdevtouch/CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QEvdevTouchScreenPlugin
     OUTPUT_NAME qevdevtouchplugin
     TYPE generic
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
     PUBLIC_LIBRARIES

src/plugins/generic/libinput/CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QLibInputPlugin
     OUTPUT_NAME qlibinputplugin
     TYPE generic
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
     PUBLIC_LIBRARIES

src/plugins/generic/tslib/.prev_CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QTsLibPlugin
     OUTPUT_NAME qtslibplugin
     TYPE generic
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
     PUBLIC_LIBRARIES

src/plugins/generic/tslib/CMakeLists.txt

@@ -9,6 +9,7 @@ qt_find_package(Tslib) # special case
 qt_internal_add_plugin(QTsLibPlugin
     OUTPUT_NAME qtslibplugin
     TYPE generic
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
     PUBLIC_LIBRARIES

src/plugins/generic/tuiotouch/CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QTuioTouchPlugin
     OUTPUT_NAME qtuiotouchplugin
     TYPE generic
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
         qoscbundle.cpp qoscbundle_p.h

src/plugins/platforminputcontexts/compose/.prev_CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QComposePlatformInputContextPlugin
     OUTPUT_NAME composeplatforminputcontextplugin
     TYPE platforminputcontexts
+    DEFAULT_IF FALSE
     SOURCES
         qcomposeplatforminputcontext.cpp qcomposeplatforminputcontext.h
         qcomposeplatforminputcontextmain.cpp

src/plugins/platforminputcontexts/compose/CMakeLists.txt

@@ -10,6 +10,7 @@ pkg_get_variable(PKG_X11_PREFIX x11 prefix) # special case
 qt_internal_add_plugin(QComposePlatformInputContextPlugin
     OUTPUT_NAME composeplatforminputcontextplugin
     TYPE platforminputcontexts
+    DEFAULT_IF FALSE
     SOURCES
         qcomposeplatforminputcontext.cpp qcomposeplatforminputcontext.h
         qcomposeplatforminputcontextmain.cpp

src/plugins/platforminputcontexts/ibus/CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QIbusPlatformInputContextPlugin
     OUTPUT_NAME ibusplatforminputcontextplugin
     TYPE platforminputcontexts
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
         qibusinputcontextproxy.cpp qibusinputcontextproxy.h

src/plugins/platformthemes/gtk3/.prev_CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QGtk3ThemePlugin
     OUTPUT_NAME qgtk3
     TYPE platformthemes
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
         qgtk3dialoghelpers.cpp qgtk3dialoghelpers.h

src/plugins/platformthemes/gtk3/CMakeLists.txt

@@ -10,6 +10,7 @@ qt_find_package(X11) # special case
 qt_internal_add_plugin(QGtk3ThemePlugin
     OUTPUT_NAME qgtk3
     TYPE platformthemes
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
         qgtk3dialoghelpers.cpp qgtk3dialoghelpers.h

src/plugins/platformthemes/xdgdesktopportal/CMakeLists.txt

@@ -7,6 +7,7 @@
 qt_internal_add_plugin(QXdgDesktopPortalThemePlugin
     OUTPUT_NAME qxdgdesktopportal
     TYPE platformthemes
+    DEFAULT_IF FALSE
     SOURCES
         main.cpp
         qxdgdesktopportalfiledialog.cpp qxdgdesktopportalfiledialog_p.h

util/cmake/pro2cmake.py

@@ -3913,6 +3913,10 @@ def write_plugin(cm_fh, scope, *, indent: int = 0) -> str:
     if "static" in scope.get("CONFIG"):
         extra.append("STATIC")
 
+    plugin_extends = scope.get_string("PLUGIN_EXTENDS")
+    if plugin_type != "platform" and plugin_extends == "-":
+        extra.append("DEFAULT_IF FALSE")
+
     forward_target_info(scope, extra)
 
     write_main_part(