[patch] Add toplevel configure check for MPFR

[Daniel Jacobowitz]

On Sun, Jul 25, 2004 at 06:11:27PM +0100, Paul Brook wrote:
> +Necessary to build the Fortran frontend.  It can be downloaded from
> +@uref{http://http://www.mpfr.org/}.  It is also included in the current GMP
> +release (4.1.3) when configures with @option{--enable-mpfr}.

"configured".

> +The @option{--with-gmp} or @option{--with-gmp-dir} configure option should
> +be used if the MPFR Library is not installed in you library search path.

"your".

If future versions of MPFR will be independent of GMP, should we look
for it somewhere other than $gmp_dir/mpfr/ ?

-- 
Daniel Jacobowitz