--- kmplayer/src/Makefile.am.ORI	2011-12-03 23:22:01.601981533 +0100
+++ kmplayer/src/Makefile.am	2011-12-03 23:22:44.469655046 +0100
@@ -58,6 +58,7 @@
 kgstplayer_SOURCES= gstplayer.cpp
 
 knpplayer_LDADD= $(LIBNSPR_LIBS)
+knpplayer_LDFLAGS= -lX11
 knpplayer_SOURCES= npplayer.c
 
 xdg_apps_DATA = kmplayer.desktop