[kwin] Add missing target link libraries

Missing libs caused compile error if built standalone.

autotests/CMakeLists.txt

@@ -75,6 +75,7 @@ target_link_libraries( testXcbWrapper
                        Qt5::Test
                        Qt5::X11Extras
                        Qt5::Widgets
+                       KF5::WindowSystem
                        XCB::XCB
 )
 add_test(kwin-testXcbWrapper testXcbWrapper)
@@ -92,6 +93,7 @@ target_link_libraries( testXcbWindow
                        Qt5::Test
                        Qt5::X11Extras
                        Qt5::Widgets
+                       KF5::WindowSystem
                        XCB::XCB
 )
 add_test(kwin-testXcbWindow testXcbWindow)

libkwineffects/CMakeLists.txt

@@ -16,6 +16,8 @@ set(kwineffects_QT_LIBS
 
 set(kwineffects_KDE_LIBS
     KF5::ConfigCore
+    KF5::Service
+    KF5::WindowSystem
 )
 
 set(kwineffects_XCB_LIBS
@@ -49,7 +51,7 @@ macro( KWIN4_ADD_GLUTILS_BACKEND name glinclude )
     include_directories(${glinclude})
     add_library(${name} SHARED ${kwin_GLUTILSLIB_SRCS})
     generate_export_header(${name} BASE_NAME kwinglutils EXPORT_FILE_NAME kwinglutils_export.h)
-    target_link_libraries(${name} PUBLIC Qt5::DBus Qt5::X11Extras XCB::XCB)
+    target_link_libraries(${name} PUBLIC Qt5::DBus Qt5::X11Extras XCB::XCB KF5::Service KF5::WindowSystem)
     if(KWIN_HAVE_EGL)
        target_link_libraries(${name} PRIVATE EGL::EGL)
     endif()

tests/CMakeLists.txt

@@ -7,4 +7,4 @@ endif()
 # next target
 set(screenedgeshowtest_SRCS screenedgeshowtest.cpp)
 add_executable(screenedgeshowtest ${screenedgeshowtest_SRCS})
-target_link_libraries(screenedgeshowtest Qt5::Widgets Qt5::X11Extras ${XCB_XCB_LIBRARY})
+target_link_libraries(screenedgeshowtest Qt5::Widgets Qt5::X11Extras KF5::WindowSystem ${XCB_XCB_LIBRARY})