# HG changeset patch
# User Jim Meyering <jim@meyering.net>
# Date 916008177 0
# Node ID 8dc6bc7226eeb1a6d85b35e3aa0b0db5228674c7
# Parent  180a92f115a6a8888d5289528491e921721546d7
Require autoconf-2.13 here.

diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -4,6 +4,8 @@
 
 AC_DEFUN(jm_MACROS,
 [
+  AC_PREREQ(2.13)               dnl Minimum Autoconf version required.
+
   dnl This macro actually runs replacement code.  See isc-posix.m4.
   AC_REQUIRE([AC_ISC_POSIX])dnl