--- zzzz-none-000/linux-2.6.13.1/arch/mips/kernel/signal_n32.c	2005-09-10 02:42:58.000000000 +0000
+++ ohio-7170-487/linux-2.6.13.1/arch/mips/kernel/signal_n32.c	2007-06-13 08:22:30.000000000 +0000
@@ -15,6 +15,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
+#include <linux/config.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/smp.h>