[patch] New test+use texinfo @click - @HAVE_MAKEINFO_CLICK@ [Re: doc build failure (Re: [patch 04/12] entryval#3: Virtual tail call frames)]

[Eli Zaretskii]

> Date: Mon, 10 Oct 2011 17:30:49 +0200
> From: Jan Kratochvil <jan.kratochvil@redhat.com>
> Cc: gdb-patches@sourceware.org, Ulrich Weigand <uweigand@de.ibm.com>,
>         eliz@gnu.org
> 
> I can provide alternative less nifty graphical representation keeping the text
> even with older texinfos.

That'd be fine, but there's no good way in Texinfo to test for the
version of makeinfo.  So what exactly would be the condition for using
the alternative?