# HG changeset patch
# User Lasse Collin <lasse.collin@tukaani.org>
# Date 1581772031 -7200
#      Sat Feb 15 15:07:11 2020 +0200
# Node ID 7e6100fbb01abaa0cb9fc0df42714631d442440c
# Parent  b9c07c8ab0b3f54ffd443a67e7444cc33e0616f6
Build: Bump Autoconf and Libtool version requirements.

There is no specific reason for this other than blocking
the most ancient versions. These are still old:

Autoconf 2.69 (2012)
Automake 1.12 (2012)
gettext 0.19.6 (2015)
Libtool 2.4 (2010)

diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -15,7 +15,7 @@
 # of malloc(), stat(), or lstat(), since we don't use those functions in
 # a way that would cause the problems the autoconf macros check.
 
-AC_PREREQ([2.64])
+AC_PREREQ([2.69])
 
 AC_INIT([XZ Utils], m4_esyscmd([/bin/sh build-aux/version.sh]),
 	[lasse.collin@tukaani.org], [xz], [https://tukaani.org/xz/])
@@ -628,7 +628,7 @@
 
 echo
 echo "Initializing Libtool:"
-LT_PREREQ([2.2])
+LT_PREREQ([2.4])
 LT_INIT([win32-dll])
 LT_LANG([Windows Resource])