Re: [PATCH] check_gcc for i386

[Alan Cox]

On Sad, 2003-08-30 at 23:58, Marcelo Tosatti wrote:
> >  ifdef CONFIG_MPENTIUM4
> > -CFLAGS += -march=i686
> > +CFLAGS += $(call check_gcc,-march=pentium4,-march=i686)
> >  endif
> >  
> >  ifdef CONFIG_MK6
> 
> OK, I forgot what that does. Can you please explain in detail what 
> check_gcc does. 

Tries to use gcc with the options given and if not falls back to the
second set suggested. So it'll try -march=pentium4 (new gcc) and 
fall back to -march=i686

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