diff -up sage-4.8/spkg/build/sage-4.8/c_lib/src/memory.c.orig sage-4.8/spkg/build/sage-4.8/c_lib/src/memory.c
--- sage-4.8/spkg/build/sage-4.8/c_lib/src/memory.c.orig	2012-04-24 22:23:10.992552379 -0300
+++ sage-4.8/spkg/build/sage-4.8/c_lib/src/memory.c	2012-04-24 22:23:18.525552667 -0300
@@ -17,7 +17,7 @@ AUTHORS:
  *                  http://www.gnu.org/licenses/
  ****************************************************************************/
 
-#include <mpir.h>
+#include <gmp.h>
 #include "memory.h"
 
 /* mpir memory functions */