--- config.h.in.orig	2005-03-17 03:23:00.000000000 +0300
+++ config.h.in	2007-12-04 15:40:18.000000000 +0300
@@ -4,13 +4,13 @@
 #undef _POSIX_SOURCE
 
 /* Define as the return instruction for signal handlers. */
-#undef SIGRET
+#define SIGRET
 
 /* Define as the return type of signal handlers (int or void).  */
 #undef RETSIGTYPE
 
 /* Define if signal handlers take an argument. */
-#undef SIG_TAKES_ARG
+#define SIG_TAKES_ARG
 
 /* Define to `unsigned' if <sys/types.h> doesn't define.  */
 #undef size_t