diff -up kdeartwork-4.4.0/kscreensaver/xsavers/CMakeLists.txt.orig kdeartwork-4.4.0/kscreensaver/xsavers/CMakeLists.txt
--- kdeartwork-4.4.0/kscreensaver/xsavers/CMakeLists.txt.orig	2010-02-12 00:43:01.000000000 +0100
+++ kdeartwork-4.4.0/kscreensaver/xsavers/CMakeLists.txt	2010-02-12 00:44:26.000000000 +0100
@@ -10,7 +10,7 @@ set(kswarm.kss_SRCS swarm.cpp ${screensa
 
 kde4_add_executable(kswarm.kss ${kswarm.kss_SRCS})
 
-target_link_libraries(kswarm.kss  ${KDE4_KDEUI_LIBS} m )
+target_link_libraries(kswarm.kss  ${KDE4_KDEUI_LIBS} m X11 )
 
 install(TARGETS kswarm.kss  ${INSTALL_TARGETS_DEFAULT_ARGS} )
 install( FILES KSwarm.desktop  DESTINATION  ${SERVICES_INSTALL_DIR}/ScreenSavers )