Re: useful exercise

Tigran Aivazian (tigran@aivazian.demon.co.uk)
Wed, 6 Jan 1999 12:47:35 +0000 (GMT)


Then <linux/autoconf.h> will have to contain all the lines like:

int config_foo = 1;

which means whatever generates it will have to be modified.
Also, each config option would waste four bytes of memory, whilst
preprocessor #define CONFIG_FOO uses no memory at all.
But, apart from that, imho - good idea :)

Regards,
Tigran A. Aivazian, http://www.aivazian.demon.co.uk/

On Tue, 5 Jan 1999, Peter T. Breuer wrote:

> One thing that might be useful to do is replace all the
>
> #ifdef FOO
> #endif
>
> in the kernel with
>
> if (C_FOO) {
> }
>
> (where C_FOO is 1 or 0). That way at least everything would be compiled
> always and it would discover some incompatibilities. But since we compile
> with -O2 or better, the code block should vanish if the test evaluates
> to a zero at compile time.
>
>
> Peter

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