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 9F1F21381F3 for ; Thu, 19 Sep 2013 19:55:15 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 63154E0C4E; Thu, 19 Sep 2013 19:55:02 +0000 (UTC) Received: from mail-wg0-f45.google.com (mail-wg0-f45.google.com [74.125.82.45]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 31485E0BFA for ; Thu, 19 Sep 2013 19:55:00 +0000 (UTC) Received: by mail-wg0-f45.google.com with SMTP id y10so8433096wgg.0 for ; Thu, 19 Sep 2013 12:54:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=85HamDA7qWSTqC/bxOpUExdYqH9aihpqt/flefsFsQs=; b=lknFebyktO/GRCIu6R+xlw1a1CN7VsKOwOG5RYJZ7X8OG5XY75aY6NQl7b9SoC3mQG ylI4hZJRqG3Itae+W7+ElbJkMErthCmmhPOj7Qkz2NefLbo3CjUmEo7iB5kqfge9YcEP eZwlEypSWavAQVLcJiZ/waN0qnuEC0J66rNtdPMFlOazppJLWqNkmUIgBKIS9P4vQFZ/ EcjftOBt5Svk4SWPIvyX0++hH0M/PLD1iFfMY9RM0emi9WKVJerdNMUQm5ZRBoovX9V1 Bu/BXo2ki2/KCa5BBZ9qVQB6VVXyA5vjepCHS/WO2sEUf22FQ9xpRBsuIYJcnS+xhnWN 2B9A== X-Received: by 10.194.75.165 with SMTP id d5mr2891003wjw.18.1379620499860; Thu, 19 Sep 2013 12:54:59 -0700 (PDT) Received: from [172.20.0.41] (196-210-126-33.dynamic.isadsl.co.za. [196.210.126.33]) by mx.google.com with ESMTPSA id fb9sm12331064wid.7.1969.12.31.16.00.00 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 19 Sep 2013 12:54:59 -0700 (PDT) Message-ID: <523B5593.8000907@gmail.com> Date: Thu, 19 Sep 2013 21:50:43 +0200 From: Alan McKinnon User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130809 Thunderbird/17.0.8 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 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] re: duplicated packages References: <523B495A.8010706@gmail.com> In-Reply-To: <523B495A.8010706@gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Archives-Salt: 3afd0785-22c1-49c5-a7fd-765d1cd21f51 X-Archives-Hash: 7e33813e2a352bb009e1ed9de868fc8e On 19/09/2013 20:58, Alexander Kapshuk wrote: > Howdy, > > Is having duplicate packages a good or a bad thing in gentoo? I'm clear > about having duplicate packages for the kernel. I'm using the more > recent one, but hanging on to the old one just in case. > > Perhaps, the reason for having duplicate packages is the fact that > various packages I have installed on the system may require a different > version of a package I may already have installed. Is that it? > > _box0=; equery list --duplicates '*' > * Searching for * ... > [IP-] [ ] app-text/docbook-xml-dtd-4.1.2-r6:4.1.2 > [IP-] [ ] app-text/docbook-xml-dtd-4.4-r2:4.4 > [IP-] [ ] dev-lang/python-2.7.5-r2:2.7 > [IP-] [ ] dev-lang/python-3.2.5-r2:3.2 > [IP-] [ ] dev-libs/openssl-0.9.8y:0.9.8 > [IP-] [ ] dev-libs/openssl-1.0.1e-r1:0 > [IP-] [ ] media-libs/lcms-1.19:0 > [IP-] [ ] media-libs/lcms-2.3:2 > [IP-] [ ] sys-devel/autoconf-2.13:2.1 > [IP-] [ ] sys-devel/autoconf-2.69:2.5 > [IP-] [ ] sys-devel/automake-1.10.3:1.10 > [IP-] [ ] sys-devel/automake-1.12.6:1.12 > [IP-] [ ] sys-devel/automake-1.13.4:1.13 > [IP-] [M ] sys-kernel/gentoo-sources-3.8.13:3.8.13 > [IP-] [ ] sys-kernel/gentoo-sources-3.10.7:3.10.7 > [IP-] [ ] virtual/libusb-0:0 > [IP-] [ ] virtual/libusb-1:1 > [IP-] [ ] x11-libs/gtk+-2.24.17:2 > [IP-] [ ] x11-libs/gtk+-3.4.4:3 > [IP-] [ ] x11-themes/gtk-engines-xfce-3.0.1-r200:0 > [IP-] [ ] x11-themes/gtk-engines-xfce-3.0.1-r300:3 > _ > Thanks. > They are not duplicates they are called SLOTS And you have them for a reason - one thing needs package A version X, something else needs package A version Y. Usually, you can have only one, SLOTS let you have more than one that can co-exist. Don't worry about them, let them be. You need them. -- Alan McKinnon alan.mckinnon@gmail.com