ccache support for make buildworld/make release

[Kris Kennaway]

On Wed, Aug 25, 2004 at 10:25:07PM +0400, Roman Kurakin wrote:
> Maxim Sobolev wrote:
> 
> >Folks,
> >
> >I wonder if anyone considered adding ccache support for 
> >buildworld/release targets. ccache is a tool, which wraps around gcc, 
> >allowing to cache object files generated by the compiler to greatly 
> >speed-up compilation of the same code over and over 
> >(http://ccache.samba.org/).
> >
> >It acts as a caching pre-processor to C/C++ compilers, using the -E 
> >compiler switch and a hash to detect when a compilation can be 
> >satisfied from cache.  This often results in a 5 to 10 times speedup.
> 
> Hm. It seems that this is very cool tool. I would glad to see it in FreeBSD.
> Since I've 5 branch compiles tooooo long and fast systems for compilation
> does not always available/possible to use while development.
> 
> I volonteer to test this if needed.

BTW, I don't think there's anything to set up..you just set
CC="ccache cc" or similar.

Kris
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