[ccache] request document.

[Arunkumar Arumugam]

Thanks for the info
-Arun

On 6/7/05, Andrew Tridgell <tridge at osdl.org> wrote:
> Arunkumar,
> 
>  >               Try to find out if there is  good documentaion on ccache
>  > internals.
> 
> I'm afraid that the 'HOW IT WORKS' section of the manual page is the
> best documentation available. Apart from that you can read the source
> code (which luckily is quite small).
> 
>  > I could find multiple copies of same file in ccache directory, each
>  > prepended with a different hash.  could not understand it.
> 
> It is quite possible for different C files to produce different cpp
> output and still produce the same object file. This is especially
> likely if you don't use the compilers -g to enable debugging
> information, but it can happen in ether case.
> 
> The hash is based on the cpp output, so this is how you end up with
> the same object file, but different hashes.
> 
> Cheers, Tridge
> 


-- 
ARUN ARUMUGAM
Sys. Engineer