Re: [2.6 patch] Use -ffreestanding? (fwd)

[Adrian Bunk]

On Mon, Nov 22, 2004 at 09:36:15AM +0100, Jan Engelhardt wrote:
> >Hi Andrew,
> >
> >for the kernel, it would be logical to use -ffreestanding. The kernel is
> >not a hosted environment with a standard C library.
> 
> Note the GCC docs:
> 
> Assert that compilation takes place in a freestanding environment. This
> implies -fno-builtin. [...]
> 
> This will break a lot of code, since there are many thing that depend upon GCC
> builtin magic AFAICS.
>...

Which code in the kernel is broken by this change?

Note that explicitely using a gcc builtin is still possible.

> Jan Engelhardt

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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