--- products/ap_pkgrid.c.orig	2009-12-22 06:33:27.000000000 -0700
+++ products/ap_pkgrid.c	2011-07-06 15:42:49.268454682 -0600
@@ -20,6 +20,16 @@
 #include "pk_user.h"
 #include "ppl_grid.h"
 
+#pragma weak lincons0_of_vector
+#pragma weak pk_approximate
+#pragma weak pk_bottom
+#pragma weak pk_bound_linexpr
+#pragma weak pk_canonicalize
+#pragma weak pk_dimension
+#pragma weak pk_free
+#pragma weak pk_is_bottom
+#pragma weak pk_meet_lincons_array
+
 void ap_pkgrid_reduce(ap_manager_t* manager,
 		      ap_reducedproduct_t* a)
 {