From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id A2B29138A1C for ; Fri, 3 Apr 2015 18:09:35 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 2981CE0993; Fri, 3 Apr 2015 18:09:28 +0000 (UTC) Received: from mail0200.smtp25.com (mail0200.smtp25.com [174.37.170.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 19EECE092B for ; Fri, 3 Apr 2015 18:09:26 +0000 (UTC) Received: from ccs.covici.com (localhost [127.0.0.1]) by ccs.covici.com (8.14.9/8.14.8) with ESMTP id t33I9NRV011583 for ; Fri, 3 Apr 2015 14:09:24 -0400 From: covici@ccs.covici.com To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: multilib - do I need it? In-reply-to: <201504031846.03670.michaelkintzios@gmail.com> References: <30799.1428079718@ccs.covici.com> <201504031846.03670.michaelkintzios@gmail.com> Comments: In-reply-to Mick message dated "Fri, 03 Apr 2015 18:45:47 +0100." X-Mailer: MH-E 8.5; nmh 1.6; GNU Emacs 23.4.1 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <11581.1428084563.1@ccs.covici.com> Content-Transfer-Encoding: quoted-printable Date: Fri, 03 Apr 2015 14:09:23 -0400 Message-ID: <11582.1428084563@ccs.covici.com> X-SpamH-OriginatingIP: 70.109.53.110 X-SpamH-Filter: s-out-001.smtp25.com-t33I9OUw024996 X-Archives-Salt: 2f98e803-9690-4761-b71a-78efbf8fa8ff X-Archives-Hash: aa566c030d55ff59032e16372e592dea Mick wrote: > On Friday 03 Apr 2015 17:48:38 covici@ccs.covici.com wrote: > > Grant Edwards wrote: > > > On 2015-04-03, Walter Dnes wrote: > > > > On Thu, Apr 02, 2015 at 02:12:40PM -0300, Francisco Ares wrote > > > > = > > > >> Hi, > > > >> = > > > >> How does one know previously which packages will require 32 bit A= BI ? > > > >> = > > > >> I have two systems (among others) to consider: one is very simple= , > > > >> built using as fewer packages as possible, it is the development > > > >> system for an embedded equipment, and it is 64 bit ABI only - no > > > >> multilib; the other is a general purpose workstation, with lots = of > > > >> packages, and someday, by some forgotten reason, I needed to inst= all > > > >> emul-linux-* . > > > >> = > > > > Can you attach your /var/lib/portage/world file to a post here? = I > > > > = > > > > assume you have nothing embarressing in it. Almost all applicatio= ns > > > > that used to require 32-bit emulation now run natively on 64-bit > > > > no-multilib. I recently upgraded a 7+ year old machine from 32-bi= t > > > > Gentoo to 64-bit-only Gentoo (no-multilib) and I don't have any ap= ps > > > > with problems as 64-bit only. > > > = > > > The only two 32-bit apps I've run into on my various XFCE machines a= re > > > grub-legacy (which requires a 32-bit ncurses lib), and acroread (whi= ch > > > requires 100+ 32-bit libraries). > > = > > hmmm, I have 7 emul-linux86 packages, but portage did not offer to > > replace them when I checked today for a world update -- I didn't want = to > > remove them manually, I thought it might do more harm than good. I am > > not sure whether I need any 32-bit libraries, although I do have > > multilib enabled, but I wonder about those emul-linux-x86 packages. A= ny > > way for me to tell what is going on here such as dependencies on 32-bi= t > > libraries? > = > Try this perhaps: > = > for EMUL in $(eix -I --only-names emul-linux); do equery depends $EMUL; = done > = > unmerge them and the run 'emerge @preserved-rebuild'. Portage will then= tell = > you which 32bit packages you will need to add in your package.use file w= ith = > the 32 bit ABI flag. hmmm, one of the things dependent on emul-linux thingies is the C compiler! both 4.8.4 and 4.9, so if I unmerge the emul things, will I still have a C compiler? Otherwise nvidia-drivers seems to also need emul-linux and they depend on each other. -- = Your life is like a penny. You're going to lose it. The question is: How do you spend it? John Covici covici@ccs.covici.com