Re: Emacs can't be built without recent makeinfo

[Glenn Morris]

Jason Rumney wrote:

> This change is wrong. The distributed tarballs have prebuilt manuals in 
> them, so configure should not abort because of makeinfo being missing or 
> an old version.

It already does abort, so this is nothing to do with my latest change.
I have added an explanation, plus a simple way to get past such an abort.

Change it to not abort at all if $srcdir/info/emacs exists if you
like; but personally I think it will be confusing.