Hello Andew,
> The answer is "no", because it is necessary to run the preprocessor in
order to fill the cache and record the file list that direct mode lookups
use.

What are the consequences if we don't let ccache record the file list, but
just run the preprocessor and
do a cache lookup using the preprocessor mode?

WiIl I just have additional overhead when the next direct-look up runs? I
guess this is the only drawback.


regards,
Venkat.

On Fri, Sep 5, 2014 at 1:51 AM, Andrew Stubbs <a...@codesourcery.com> wrote:

> On 04/09/14 08:32, vkr wrote:> I would like to know if I can avoid
> > "If there is no match, ccache falls back to running the preprocessor."
>
> The answer is "no", because it is necessary to run the preprocessor in
> order to fill the cache and record the file list that direct mode lookups
> use.
>
> It might be possible if you wanted to run the cache in read-only mode, but
> that might not be very useful, and I don't believe there's an option for
> that now.
>
> Andrew
>
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