[coreboot] CONFIG_ about which messages to compile in

Peter Stuge peter at stuge.se
Tue Feb 10 19:10:41 CET 2009

Mart Raudsepp wrote:
> > > #define printk(a, b, ...) if (a <= MAXLOGLEVEL) print(blah blah)
> > 
> > That's what I thought of at first too, but I was discouraged by Mart.
> > Do you see a real problem with this, Mart?
> Nope. that's similar to what I had in mind.
> > I would prefer avoiding compiler tricks when we can reach the
> > goal just using cpp.
> Yeah, and if(0) and the like is coercing gcc :)

Yes. I didn't write exactly what I meant. I was actually thinking
even one more layer of cpp stuff, to check the condition. In theory
like this;

#define printk(a, b...) \
do_printk((a),(b)) \

Maybe that's too evil?

> However I don't think using cpp for this really flies well if we
> are loosing __attribute__((format (printf, 2, 3))) checks then.



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