Date: Wed, 21 Feb 2001 15:18:27 -0800 From: Kris Kennaway <kris@obsecurity.org> To: mi@aldan.algebra.com Cc: Kris Kennaway <kris@obsecurity.org>, arch@freebsd.org Subject: Re: cvs commit: src/share/mk sys.mk Message-ID: <20010221151827.A61818@mollari.cthul.hu> In-Reply-To: <200102212306.f1LN6Ov33309@misha.privatelabs.com>; from mi@aldan.algebra.com on Wed, Feb 21, 2001 at 06:06:23PM -0500 References: <20010221123835.A59024@mollari.cthul.hu> <200102212306.f1LN6Ov33309@misha.privatelabs.com>
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On Wed, Feb 21, 2001 at 06:06:23PM -0500, mi@aldan.algebra.com wrote:
> On 21 Feb, Kris Kennaway wrote:
> =3D On Wed, Feb 21, 2001 at 01:27:54PM -0500, mi@aldan.algebra.com wrote:
> =3D > BTW, may be -mcpu=3D${MACHINE_CPU} can be added to the default CFL=
AGS
> =3D > now? And a comment, that changing -mcpu to -march will, probably, be
> =3D > even better, but will prevent the binaries from being usable on
> =3D > earlier CPUs.
> [...]
> =3D The -march statement doesnt matter though, since some binaries built
> =3D with MACHINE_CPU set will already be CPU-specific (e.g. if you specify
> =3D i686 then openssl will use the i686 blowfish code)
>=20
> This means, the released binaries will never be compiled with this
> optimizations (since they are expected to run on all architectures).
> And that means, people doing benchmarks of the "out of the box"
> installations, will find FreeBSD slower for "secure web-hosting".
That's right. Until we stop supporting the 386 we have to provide
386-compatible binaries.
> Unless, of course, we provide different binaries on CDs.
This is possible, but space is obviously a problem.
Kris
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