From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1PQVum-0003Bp-EC for garchives@archives.gentoo.org; Thu, 09 Dec 2010 02:07:24 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 10222E08A6 for ; Thu, 9 Dec 2010 02:07:23 +0000 (UTC) Received: from qmta02.emeryville.ca.mail.comcast.net (qmta02.emeryville.ca.mail.comcast.net [76.96.30.24]) by pigeon.gentoo.org (Postfix) with ESMTP id AACE3E06CC for ; Thu, 9 Dec 2010 01:54:47 +0000 (UTC) Received: from omta24.emeryville.ca.mail.comcast.net ([76.96.30.92]) by qmta02.emeryville.ca.mail.comcast.net with comcast id gkRm1f00C1zF43QA2punS0; Thu, 09 Dec 2010 01:54:47 +0000 Received: from ajax.firstbooks ([68.40.15.84]) by omta24.emeryville.ca.mail.comcast.net with comcast id gpul1f0051op4JC8kpul52; Thu, 09 Dec 2010 01:54:46 +0000 Date: Wed, 8 Dec 2010 20:54:37 -0500 From: Frank Peters To: gentoo-amd64@lists.gentoo.org Subject: Re: [gentoo-amd64] About to install on a 64 bit system. Advice wanted. Message-Id: <20101208205437.1707d76e.frank.peters@comcast.net> In-Reply-To: <4D002218.9060302@gmail.com> References: <4CFFF5DE.20303@gmail.com> <20101208180344.eefa3254.frank.peters@comcast.net> <4D002218.9060302@gmail.com> X-Mailer: Sylpheed 3.0.3 (GTK+ 2.20.1; x86_64-unknown-linux-gnu) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-amd64@lists.gentoo.org Reply-to: gentoo-amd64@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Archives-Salt: 8f851b47-0113-4ad2-88ad-4284b3ef17e8 X-Archives-Hash: e0f59112e79261b0ceba2c98828a3977 On Wed, 08 Dec 2010 18:26:00 -0600 Dale wrote: > > Now I have a question. How do I tell Gentoo to make it pure 64 or a mix > of 32 and 64? I have read about this but I don't think I have actually > seen where it is set. Is it a profile selection, USE flag or something > else? > You have to make a symbolic link, /etc/make.profile, to a particular profile in /usr/share/portage/profiles, i.e. either the multilib (64/32) or the no-multilib (64-bit) profile. Also, the USE flag "multilib" indicates to the compiler that both 32-bit and 64-bit libraries should be built. Check the Gentoo manual for all the details. You'd best get used to reading the manual early. Everything is in there. > If I decide on one then want to switch to the other, does that require a > reinstall or just a change in settings and a recompile of world? I'm not sure. It's best to check the manual. Frank Peters