--- sound/Makefile.am 
+++ sound/Makefile.am.fixed 
@@ -4,6 +4,8 @@
            -DGNOMELOCALEDIR=\""$(datadir)/locale"\" \
            -I../intl -I.. -I$(top_srcdir)/intl \
            $(OTHER_CFLAGS)
+
+plugin_ldFLAGS = $(LINKED_GNOME_LIBS)
 
 sounds_DATA = group_switch1.wav group_switch2.wav group_switch3.wav group_switch4.wav
 soundsdir = $(datadir)/sounds/gswitchit