Re: [x86 setup 16/33] String-handling functions for the new x86 setup code.

[Segher Boessenkool]

> > > Nope.  The builtins not only vary between gcc versions, but they  
> > > also
> > > have a nasty tendency to generate calls to library functions,  
> > > sometimes
> > > libgcc functions.  Hence -ffreestanding.
> >
> > -ffreestanding will still generate calls to libgcc functions.
> > -ffreestanding doesn't disable _all_ of the C library, either.
>
> No, it doesn't, but it does inhibit builtin functions, and so  
> provides a
> bit more ABI stability.

Yes, Linux should definitely be compiled with -ffreestanding,
it isn't a hosted application after all ;-)


Segher

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