On Sat, May 24, 2008 at 09:58:47PM +0100, Jeremy Fitzhardinge wrote:
>
> Would
>
> #define KCONFIG(x) (CONFIG_##x - 0)
>
> if (KCONFIG(PREEMPT)) {
> ...
> }
>
> work?
$ cat test.c
#define KCONFIG(x) (CONFIG_##x - 0)
int main()
{
if (KCONFIG(PREEMPT))
;
return 0;
}
$ gcc -O2 -Wall test.c
test.c: In function ‘main’:
test.c:5: error: ‘CONFIG_PREEMPT’ undeclared (first use in this function)
test.c:5: error: (Each undeclared identifier is reported only once
test.c:5: error: for each function it appears in.)
$ gcc --version
gcc (Debian 4.3.0-5) 4.3.1 20080523 (prerelease)
> J
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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