diff -p -up ./src/Makefile.in.0000 ./src/Makefile.in
--- ./src/Makefile.in.0000	2011-02-24 22:06:51.000000000 +0000
+++ ./src/Makefile.in	2011-12-22 17:59:05.684076195 +0000
@@ -810,6 +810,7 @@ CLEANFILES = $(am__append_26) $(am__appe
 
 @HAVE_GTK3_TRUE@libcanberra_gtk3_la_LIBADD = \
 @HAVE_GTK3_TRUE@	$(GTK3_LIBS) \
+@HAVE_GTK3_TRUE@	-lX11 \
 @HAVE_GTK3_TRUE@	libcanberra.la
 
 @HAVE_GTK3_TRUE@libcanberra_gtk3_la_LDFLAGS = \
@@ -841,6 +842,7 @@ CLEANFILES = $(am__append_26) $(am__appe
 
 @HAVE_GTK_TRUE@libcanberra_gtk_la_LIBADD = \
 @HAVE_GTK_TRUE@	$(GTK_LIBS) \
+@HAVE_GTK_TRUE@ -lX11 \
 @HAVE_GTK_TRUE@	libcanberra.la
 
 @HAVE_GTK_TRUE@libcanberra_gtk_la_LDFLAGS = \