PATCH PING: distcc and ccache speedup: adds directives-only preprocessing

[Ian Lance Taylor]

Mark Mitchell <mark@codesourcery.com> writes:

> Ian Lance Taylor wrote:
> 
> > I would approve the patch if I could, but, unfortunately, since it
> > adds a new option and a new way of reading files, it is probably
> > non-algorithmic.
> 
> Algorithmic, I think you mean?

Indeed.

> This patch is OK, with one caveat: I think the documentation could be
> better.

Thanks very much for looking at it.  Ollie, please update the docs and
repost.

Ian