Re: [PATCH] make sparse headers self-compilable...

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On Tue, Aug 11, 2009 at 3:40 AM, Kamil Dudka<kdudka@xxxxxxxxxx> wrote:
> I agree processing of multiple-includes could be painful for the SPARSE
> preprocessor. But you don't solve it by avoiding multiple-includes in the
> SPARSE code itself. If you want to pass the SPARSE code through SPARSE, it's
> small enough to not bother us with performance.

I am worry about adding too much duplicated include slow down the
gcc compile of sparse itself. I know I am paranoid :-)

>
> But you have absolutely no control of the foreign code processed by SPARSE
> and there the performance impact could be significant. I think this is the
> way to go:
>
> http://gcc.gnu.org/onlinedocs/cppinternals/Guard-Macros.html

BTW, sparse does similar things already. That is what the stream->protect
was for.

Chris
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