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Date:   Sat, 30 Oct 2021 19:21:07 +0200 (CEST)
From:   Jan Engelhardt <jengelh@inai.de>
To:     Jeremy Sowden <jeremy@azazel.net>
cc:     Netfilter Devel <netfilter-devel@vger.kernel.org>
Subject: Re: [ulogd2 PATCH 13/13] build: bump autoconf version to 2.71
In-Reply-To: <20211030160141.1132819-14-jeremy@azazel.net>
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References: <20211030160141.1132819-1-jeremy@azazel.net> <20211030160141.1132819-14-jeremy@azazel.net>
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On Saturday 2021-10-30 18:01, Jeremy Sowden wrote:

>diff --git a/configure.ac b/configure.ac
>index ea245dae3796..8d18cc6eb7fb 100644
>--- a/configure.ac
>+++ b/configure.ac
>@@ -1,6 +1,6 @@
> dnl Process this file with autoconf to produce a configure script.
> AC_INIT([ulogd], [2.0.7])
>-AC_PREREQ([2.50])
>+AC_PREREQ([2.71])
> AC_CONFIG_AUX_DIR([build-aux])
> AM_INIT_AUTOMAKE([-Wall foreign tar-pax no-dist-gzip dist-bzip2 1.10b subdir-objects])
> AC_CONFIG_HEADERS([config.h])

That's not a good move; it puts unnecessary stones on the road to 
building from git (i.e. with full autoreconf) on e.g. SUSE 15.X (and some 
other distros I am sure) that only have autoconf 2.69 or .65 or whatever.

Unless there is a _specific new shiny m4 macro_ that is invoked somewhere,
I cannot see a reason to gratuitiously bump PREREQ.