Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 17 Jan 2005 14:48:09 -0800
From:      Kris Kennaway <kris@obsecurity.org>
To:        Mike Tancsa <mike@sentex.net>, freebsd-stable@freebsd.org
Subject:   Re: CFLAGS=-O2 -pipe problems in RELENG_5 ?
Message-ID:  <20050117224809.GC31463@xor.obsecurity.org>
In-Reply-To: <20050117193844.GB1110@galgenberg.net>
References:  <6.2.0.14.0.20050112173437.089758a0@64.7.153.2> <20050113225145.GA781@galgenberg.net> <6.2.0.14.0.20050113193132.042966c8@64.7.153.2> <20050117193844.GB1110@galgenberg.net>

next in thread | previous in thread | raw e-mail | index | archive | help

--IpbVkmxF4tDyP/Kb
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Mon, Jan 17, 2005 at 08:38:44PM +0100, Ulrich Spoerlein wrote:
> On Thu, 13.01.2005 at 19:38:27 -0500, Mike Tancsa wrote:
> > >I'm using -Os -pipe ever since installing 5.x after the gcc update.
> > >Haven't encountered any problem so far..
> > There are some differences between O2 and Os according to the man=20
> > page.  Are you using that on your kernel and for buildworld ?
>=20
> Both, that is everything. Kernel, World, Ports. (Guess I'm lucky)

Yes, it's certainly not supported to build ports with -O2 and many are
known to have broken code exposed by this setting.

> > I let the box run over night building world 8 times with -j2 through -j=
5=20
> > and all worked just fine.
>=20
> Ok, that should put hardware out of the question.
>=20
> Sorry, no more ideas, besides getting rid of CPUTYPE as that is know to
> cause problems.

Well, not in general, but in certain isolated cases.

Kris
--IpbVkmxF4tDyP/Kb
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (FreeBSD)

iD8DBQFB7ECpWry0BWjoQKURAhAMAKCLdpGY7e5WyPwWOtL6Ec/H6al2+wCfQ3EA
f8lcdny5T8khHM8UHiMStg8=
=jcJi
-----END PGP SIGNATURE-----

--IpbVkmxF4tDyP/Kb--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050117224809.GC31463>