Make driver process options with *.opt machinery

[Joseph S. Myers]

On Mon, 16 Aug 2010, Tobias Burnus wrote:

>  On 08/12/2010 11:33 PM, Joseph S. Myers wrote:
> > Bootstrapped with no regressions on x86_64-unknown-linux-gnu.  OK to
> > commit?
> > 
> > fortran:
> > 2010-08-12  Joseph Myers<joseph@codesourcery.com>
> > 	* lang.opt (MDX, MMDX): Mark RejectDriver.
> 
> The Fortran bits are OK (Java and middle-end have been approved by others) - I
> think the Fortran changes are close to obvious.
> 
> However, I wonder about the following (cf. excerpt below), namely about the
> MissingArgError; shouldn't one use this for all *.opt files?

The awk scripts combine such settings from all .opt files.  In general, 
yes, it would be better for such combining not to be needed except for the 
flags saying what front ends an option is for, but I have not tried to fix 
existing .opt entries for that.

-- 
Joseph S. Myers
joseph@codesourcery.com