Adrian Bunk wrote:
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.)
You and your scientific method.
Yeah, this is one of those cases where you need cpp to rescan its input
after pasting, and I don't think it will ever do that.
J
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