buildsys: Try to use autoconf 2.69

diff --git a/configure.ac b/configure.ac
index 5a913d4959f6425869eb24cc9dc2aaec5038c587..28712417d3c67ab59b8b8895d6f5980b02574040 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ([2.71])
+AC_PREREQ([2.69])
 AC_CONFIG_MACRO_DIR([m4])
 AC_INIT([psmisc],[m4_esyscmd(misc/git-version-gen .tarball-version)],[],[],[],[https://www.gitlab.com/psmisc/psmisc])
 AM_INIT_AUTOMAKE([foreign 1.11 subdir-objects -Wall -Wno-portability tar-pax no-dist-gzip dist-xz])