PATCH: Use AC_DEFUN instead of m4_defun in libtool.m4

[Peter O'Gorman]

On Sun, 2007-07-01 at 10:00 +0200, Paolo Bonzini wrote:
> > I don't know much about m4, autoconf nor libtool. This patch works
> > for me on both gcc and binutils.
> 
> Looks good, but let's make sure it is applied to upstream libtool as well.
> 

Does gcc have lt~obsolete.m4 anywhere? Its function is to ensure that
aclocal does not use the installed libtool.m4.

Peter