diff --git a/config.h.in b/config.h.in
index ffab98c1d..6b9880fba 100644
--- a/config.h.in
+++ b/config.h.in
@@ -30,6 +30,9 @@
    internal symbols */
 #undef EXPORT_ALL_SYMBOLS
 
+/* Define to 1 if you have the `arc4random_uniform' function. */
+#undef HAVE_ARC4RANDOM_UNIFORM
+
 /* Define to 1 if you have the <arpa/inet.h> header file. */
 #undef HAVE_ARPA_INET_H
 
diff --git a/configure b/configure
index 213fa3b03..f42ca1a38 100755
--- a/configure
+++ b/configure
@@ -18003,7 +18003,7 @@ if test "$ac_res" != no; then :
 
 fi
 
-for ac_func in tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent
+for ac_func in tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill sleep usleep random srandom arc4random_uniform recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"