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Date:      Fri, 24 Nov 2006 11:10:40 -0500
From:      Kris Kennaway <kris@obsecurity.org>
To:        Mark <admin@asarian-host.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: GCC upgrade
Message-ID:  <20061124161040.GA51857@xor.obsecurity.org>
In-Reply-To: <200611240809.kAO89Cki016265@asarian-host.net>
References:  <200611240809.kAO89Cki016265@asarian-host.net>

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On Fri, Nov 24, 2006 at 08:09:13AM +0000, Mark wrote:
> Hello,
>=20
> I'd like tp upgrade my gcc version (from 2.95.4). I have two questions
> about it, though.
>=20
> 1) What is the best gcc version to upgrade to? I see plenty in the ports,
> from the whole 3.x series to 4.3. And I wonder why they all still remain
> in the ports? So I'm not sure upgrading to 4.3 is the best idea. And even
> when I upgraded to what I thought was the latest gcc (on a Vmware box), it
> said:
>=20
> "gcc version 4.1.2 20061103 (prerelease)"
>=20
> Bummer.
>=20
> 2): To get ports to actually use the new one, I did something like:
>=20
> asarian-host: {root} % cd /usr/bin
> asarian-host: {root} % rm gcc
> asarian-host: {root} % ln /usr/local/bin/gcc41 gcc
>=20
> But there's plenty of 'old' gcc stuff still in /usr/bin/.
>=20
> Will what I did suffice? Or am I missing some sort of procedure to get rid
> of the gcc environment in /usr/bin/? Subsidiarily, will I run into
> conflicts this way? (with old gcc stuff still residing in /usr/bin/).
>=20
> I tested the new gcc, btw (compiled MySQL server with it, which takes
> quite a while). Seems to work fine. But I'm not enough of a C expert to
> know precisely how to do a safe upgrade of this kind.

If you're not an expert then just leave it alone.  Replacing the
system compiler might sound like a cool thing to do, but what will
actually happen is that you'll make your FreeBSD system unbuildable.

Kris

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