--- cvsroot/EV/EV.xs	2007/11/02 22:03:00	1.42
+++ cvsroot/EV/EV.xs	2007/11/02 22:18:49	1.43
@@ -27,6 +27,12 @@
   *stash_check,
   *stash_child;
 
+#ifndef SIG_SIZE
+/* kudos to Slaven Rezic for the idea */
+static char sig_size [] = { SIG_NUM };
+# define SIG_SIZE (sizeof (sig_size) + 1)
+#endif
+
 static int
 sv_signum (SV *sig)
 {