[PATCH] bfd: add version check to makeinfo

[Eli Zaretskii]

> Cc: gdb-patches@sourceware.org,
> 	enze.li@gmx.com
> Date: Tue,  4 Apr 2023 23:07:13 +0800
> From: Enze Li via Gdb-patches <gdb-patches@sourceware.org>
> 
> In this commit,
> 
>   commit 8bb23cdbb498ff645bb0937bc8c0cb89e9e5ebd8
>   Date:   Tue Feb 7 11:34:56 2023 -0700
> 
>     Simplify @node use in BFD documentation
> 
> we use a modern style available from makeinfo 5.0 or later.
> 
> This patch adds a check for makeinfo that no documentation will be
> generated if it is below the specified version.
> 
> The motivation for this work comes from the fact that compiling GDB on
> the latest version of NetBSD(9.3) produces the following errors because
> it comes with makeinfo 4.8.  This patch workaround this issus.

Some people still use makeinfo 4.x because it's at least an order of
magnitude faster than version 5 and later.  For such simple problems,
wouldn't it be better to add the missing sectioning commands, and let
those users of makeinfo 4.x keep using it?

Just asking.