--- applets/brightness/Makefile.in.orig	2010-01-01 20:51:42.000000000 +0800
+++ applets/brightness/Makefile.in	2010-01-01 20:51:42.000000000 +0800
@@ -344,6 +344,7 @@
 gnome_brightness_applet_LDADD = \
 	$(DBUS_LIBS)						\
 	$(GNOME_LIBS)						\
+	-lexecinfo \
 	$(PANEL_LIBS)
 
 serverdir = $(prefix)/libdata/bonobo/servers