--- a/configure.in
+++ b/configure.in
@@ -5,6 +5,8 @@
 
 AC_PATH_XTRA
 PKG_CHECK_MODULES(IMLIB2, imlib2)
+PKG_CHECK_MODULES(X11, x11)
+PKG_CHECK_MODULES(XEXT, xext)
 
 PIXMAP_PATH="/usr/share/xteddy"
 AC_SUBST(PIXMAP_PATH)
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,7 +7,7 @@
 bin_SCRIPTS = xtoys xteddy_test
 
 AM_CFLAGS  = @IMLIB2_CFLAGS@
-AM_LDFLAGS = @IMLIB2_LIBS@ -lX11
+xteddy_LDADD = @IMLIB2_LIBS@ @X11_LIBS@ @XEXT_LIBS@
 
 DEFS = -DPIXMAP_PATH=\"@PIXMAP_PATH@\" -Wall