Re: Why no -march=athlon?

[M. R. Brown]

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* [e-mail] <[e-mail]> on Mon, Dec 17, 2001:

> I noticed that linux/arch/i386/Makefile says:
>=20
> ifdef CONFIG_MK7
> CFLAGS +=3D -march=3Di686 -malign-functions=3D4=20
> endif
>=20
>=20
> Why not -march=3Dathlon?  Is this just for compatibility with old gcc?

The recommend kernel compiler is gcc 2.95.x, which doesn't support
"-march=3Dathlon".

> If so, can't we fix it with an ifdef?

Can you fix it?  You'd have to parse the output of `gcc -v`, I think
kbuild 2.5 does this, so start there first.

M. R.

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