Index: kern_sig.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/kern_sig.c,v
retrieving revision 1.149
diff -u -r1.149 kern_sig.c
--- kern_sig.c	23 Feb 2002 11:12:54 -0000	1.149
+++ kern_sig.c	26 Feb 2002 09:12:34 -0000
@@ -1233,7 +1233,9 @@
 	register int prop;
 	register sig_t action;
 	struct thread *td;
+#ifdef SMP
 	struct ksegrp *kg;
+#endif
 
 	KASSERT(_SIG_VALID(sig),
 	    ("psignal(): invalid signal %d\n", sig));