--- configure.orig      2006-12-14 09:47:52.000000000 -0500
+++ configure   2006-12-14 09:48:12.000000000 -0500
@@ -7011,7 +7011,7 @@
   return exitvar;
 }
 EOF
-    cc_check && _xshape=yes
+    cc_check "-lXext" && _xshape=yes
   fi
   if test "$_xshape" = yes ; then
     _def_xshape='#define HAVE_XSHAPE 1'