[ccache] how to use ccache

[Francois Marier]

On 2007-12-08 at 01:50:58, Mahmood NT wrote:
> Can I track which files change every time? I only change one file (for
> example), so why do other files change?

Well, it's slightly more complicated than that.  ccache does a checksum on
the whole precompiled file (see gcc -E).

> Do you mean that the developers of this library set some thing (option) in
> makefile or somewhere else that change timestamp of files?

I'm not sure what the specific reasons are.  You should probably ask the
GCAL people for more details on what they told you earlier.

Francois