Fix builtin effects not loading

The api of kcoreaddons_target_static_plugins() has changed so static
plugins must be linked with kwin_x11 and kwin_wayland directly.

autotests/integration/CMakeLists.txt

@@ -49,7 +49,6 @@ target_link_libraries(KWinIntegrationTestFramework
         kwin
 
     PRIVATE
-        kwin4_effect_builtins
         # Own libraries
         KWinXwaylandServerModule
 
@@ -59,6 +58,7 @@ target_link_libraries(KWinIntegrationTestFramework
         KF5WindowSystemKWinPlugin
         KF5IdleTimeKWinPlugin
 )
+kcoreaddons_target_static_plugins(KWinIntegrationTestFramework "kwin/effects/plugins" LINK_OPTION "PRIVATE")
 set_target_properties(KWinIntegrationTestFramework PROPERTIES CXX_VISIBILITY_PRESET default)
 
 function(integrationTest)

src/CMakeLists.txt

@@ -271,11 +271,11 @@ generate_export_header(kwin EXPORT_FILE_NAME kwin_export.h)
 
 add_executable(kwin_x11 main_x11.cpp)
 target_link_libraries(kwin_x11
-    kwin4_effect_builtins
     kwin
     KF5::Crash
     Qt::X11Extras
 )
+kcoreaddons_target_static_plugins(kwin_x11 "kwin/effects/plugins")
 
 install(TARGETS kwin ${KDE_INSTALL_TARGETS_DEFAULT_ARGS} LIBRARY NAMELINK_SKIP)
 install(TARGETS kwin_x11 ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
@@ -287,11 +287,11 @@ add_executable(kwin_wayland
     tabletmodemanager.cpp
 )
 target_link_libraries(kwin_wayland
-    kwin4_effect_builtins
     kwin
     KF5::Crash
     KWinXwaylandServerModule
 )
+kcoreaddons_target_static_plugins(kwin_wayland "kwin/effects/plugins")
 if (HAVE_LIBCAP)
     target_link_libraries(kwin_wayland ${Libcap_LIBRARIES})
 endif()

src/effects/CMakeLists.txt

@@ -161,16 +161,3 @@ add_subdirectory(snaphelper)
 add_subdirectory(startupfeedback)
 add_subdirectory(trackmouse)
 add_subdirectory(wobblywindows)
-
-###############################################################################
-
-# Add the builtins plugin
-add_library(kwin4_effect_builtins STATIC)
-kcoreaddons_target_static_plugins(kwin4_effect_builtins "kwin/effects/plugins" LINK_OPTION "PRIVATE")
-target_link_libraries(kwin4_effect_builtins PRIVATE
-    ${kwin_effect_KDE_LIBS}
-    ${kwin_effect_OWN_LIBS}
-    ${kwin_effect_QT_LIBS}
-    ${kwin_effect_XCB_LIBS}
-    ${kwin_effect_XLIB_LIBS}
-)