On Thu, Oct 19, 2006 at 06:52:50PM +0200, Denis Vlasenko wrote:
> Well, logically for any given .config a set of all kernel header files
> define a set of typedefs, structs, functions and so on.
> If only we can read and parse them just once, and then reuse
> already parsed information when we compile each .c file -
> that will give you the biggest time savings.
>
> gcc has some facility for that ("precompiled headers")
> http://gcc.gnu.org/onlinedocs/gcc/Precompiled-Headers.html
>
> I don't know how hard it will be to adapt build system to using that
> and there is a danger that using this thing will increase
> recompile times when you change just a few CONFIG_XXXs.
Or when you touch a single header. A brialliant idea, that.
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