diff -ur -x Makefile -x config.* -x conf.h rcs-5.7.old/src/conf.sh rcs-5.7/src/conf.sh
--- rcs-5.7.old/src/conf.sh	Fri Jun 16 07:19:24 1995
+++ rcs-5.7/src/conf.sh	Sun Feb 11 11:24:07 1996
@@ -1717,8 +1717,10 @@
 			perror("fork");
 			exitmain(2);
 		}
-		if (p == 0)
+		if (p == 0) {
+			sleep (1);
 			_exit(0);
+		}
 		while (wait(&status) != p) {
 			if (errno == ECHILD)
 				exitmain(1);
