[RFC PATCH] glibc doesn't build with "gcc -march=i686"

[Mike Frysinger]

On Saturday 24 May 2008, Jakub Jelinek wrote:
> On Fri, May 23, 2008 at 02:37:38PM -0700, Paul Pluzhnikov wrote:
> > Attempting to build glibc (cvs) with CC='gcc -march=i686' results in
> > errors:
> >
> > ../sysdeps/i386/fpu/s_frexp.S: Assembler messages:
> > ../sysdeps/i386/fpu/s_frexp.S:66: Error: invalid identifier for ".ifdef"
> > ../sysdeps/i386/fpu/s_frexp.S:66: Error: junk at end of line, first
> > unrecognized character is `1'
> > ../sysdeps/i386/fpu/s_frexp.S:66: Error: junk at end of line, first
> > unrecognized character is `1'
> > ../sysdeps/i386/fpu/s_frexp.S:66: Error: junk at end of line, first
> > unrecognized character is `1'
> > ../sysdeps/i386/fpu/s_frexp.S:66: Error: unrecognized symbol type ""
> >
> > This is because gcc defines __i686 to 1 when -march=i686
> >
> > Attached patch fixes that, but perhaps there is a better way?
>
> Don't do that?  Put -march=i686 instead into CFLAGS.

in this case that may work, but in the more common case (gcc is configured 
targetting i686), it wont matter one lick
-mike
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