diff -Naur kplayer-0.7.orig/kplayer/CMakeLists.txt kplayer-0.7/kplayer/CMakeLists.txt
--- kplayer-0.7.orig/kplayer/CMakeLists.txt	2008-01-11 14:27:11.000000000 +0100
+++ kplayer-0.7/kplayer/CMakeLists.txt	2009-03-18 17:08:42.000000000 +0100
@@ -65,7 +65,7 @@
 
 kde4_add_plugin(kplayerpart WITH_PREFIX ${kplayerpart_PART_SRCS})
 
-target_link_libraries(kplayerpart ${KDE4_KDECORE_LIBS} ${KDE4_KPARTS_LIBS} ${KDE4_KDEUI_LIBS} ${QT_QT3SUPPORT_LIBRARY} ${KDE4_KDE3SUPPORT_LIBRARY})
+target_link_libraries(kplayerpart ${KDE4_KDECORE_LIBS} ${KDE4_KPARTS_LIBS} ${KDE4_KDEUI_LIBS} ${QT_QT3SUPPORT_LIBRARY} ${KDE4_KDE3SUPPORT_LIBRARY} ${X11_LIBRARIES})
 
 install(TARGETS kplayerpart DESTINATION ${PLUGIN_INSTALL_DIR} )
 

.