diff -up rpm-4.6.0-rc1/rpmio/rpmsq.c.sigaction rpm-4.6.0-rc1/rpmio/rpmsq.c
--- rpm-4.6.0-rc1/rpmio/rpmsq.c.sigaction	2008-10-31 17:58:42.090000000 +0100
+++ rpm-4.6.0-rc1/rpmio/rpmsq.c	2008-10-31 18:13:49.410000000 +0100
@@ -152,7 +152,7 @@ static sigset_t rpmsqCaught;
 
 static struct rpmsig_s {
     int signum;
-    void (*handler) (int signum, void * info, void * context);
+    rpmsqAction_t handler;
     int active;
     struct sigaction oact;
 } rpmsigTbl[] = {
@@ -254,7 +254,11 @@ int rpmsqEnable(int signum, rpmsqAction_
 		    continue;
 
 		(void) sigemptyset (&sa.sa_mask);
+#ifdef SA_SIGINFO
 		sa.sa_flags = SA_SIGINFO;
+#else
+		sa.sa_flags = 0;
+#endif
 		sa.sa_sigaction = (void*)(handler != NULL ? handler : tbl->handler);
 		if (sigaction(tbl->signum, &sa, &tbl->oact) < 0) {
 		    SUB_REF(tbl);
diff -up rpm-4.6.0-rc1/rpmio/rpmsq.h.sigaction rpm-4.6.0-rc1/rpmio/rpmsq.h
--- rpm-4.6.0-rc1/rpmio/rpmsq.h.sigaction	2008-10-31 18:10:56.320000000 +0100
+++ rpm-4.6.0-rc1/rpmio/rpmsq.h	2008-10-31 18:12:02.680000000 +0100
@@ -7,6 +7,7 @@
  */
 
 #include <rpm/rpmsw.h>
+#include <signal.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -26,7 +27,11 @@ typedef struct rpmsqElem * rpmsq;
  * @param info		(siginfo_t) signal info
  * @param context	signal context
  */
+#ifdef SA_SIGINFO
 typedef void (*rpmsqAction_t) (int signum, void * info, void * context);
+#else
+typedef void (*rpmsqAction_t) (int signum);
+#endif
 
 extern int _rpmsq_debug;