bug#1705: 23.0.60; parallel build failure: `mh-e' was not provided

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: 1705@emacsbugs.donarmstrong.com,  markus.triska@gmx.at,  
> emacs-pretest-bug@gnu.org,  bug-gnu-emacs@gnu.org
> Date: Tue, 06 Jan 2009 10:00:59 -0500
> 
> > I was arguing for adding dependencies to
> > lisp/Makefile.in.  That is always TRT.
> 
> Except when there are circular dependencies

Of course, that goes without saying.  Make will simply barf on
circular dependencies.