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 1S0IMB-0004UA-Ly for garchives@archives.gentoo.org; Wed, 22 Feb 2012 20:00:07 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 8C274E1012; Wed, 22 Feb 2012 19:59:58 +0000 (UTC) Received: from mail-ww0-f53.google.com (mail-ww0-f53.google.com [74.125.82.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 1C3BDE0F4C for ; Wed, 22 Feb 2012 19:58:59 +0000 (UTC) Received: by wgbdr12 with SMTP id dr12so391345wgb.10 for ; Wed, 22 Feb 2012 11:58:59 -0800 (PST) Received-SPF: pass (google.com: domain of alan.mckinnon@gmail.com designates 10.216.137.27 as permitted sender) client-ip=10.216.137.27; Authentication-Results: mr.google.com; spf=pass (google.com: domain of alan.mckinnon@gmail.com designates 10.216.137.27 as permitted sender) smtp.mail=alan.mckinnon@gmail.com; dkim=pass header.i=alan.mckinnon@gmail.com Received: from mr.google.com ([10.216.137.27]) by 10.216.137.27 with SMTP id x27mr11811687wei.56.1329940739441 (num_hops = 1); Wed, 22 Feb 2012 11:58:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=date:from:to:subject:message-id:in-reply-to:references:organization :x-mailer:mime-version:content-type:content-transfer-encoding; bh=Zrl87C6ABM7ZPRovHyXV2hdVlpg3UlN9mQOLhED+sA8=; b=hKX8yfsuzJaai4DgzbQho4X2m52l3Wm554p8yIfkOyqf8aROeoHi/dHdaXplF9Wxn9 1XEMKucz4cNKI1j+QbCPK2NGjkPHzjLJzHhMJJBYiQ4j0Ts6MDpR+Oji54MGAUYz+qSy PI5ek+pYLRcCnLmSB/M3KIE00Q86v+gG/2IGY= Received: by 10.216.137.27 with SMTP id x27mr9786323wei.56.1329940739373; Wed, 22 Feb 2012 11:58:59 -0800 (PST) Received: from khamul.example.com (196-215-91-131.dynamic.isadsl.co.za. [196.215.91.131]) by mx.google.com with ESMTPS id n5sm75680917wiw.7.2012.02.22.11.58.57 (version=SSLv3 cipher=OTHER); Wed, 22 Feb 2012 11:58:58 -0800 (PST) Date: Wed, 22 Feb 2012 21:58:49 +0200 From: Alan McKinnon To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] downgrading gcc, stage 2 Message-ID: <20120222215849.63cb48b4@khamul.example.com> In-Reply-To: <20120222194724.GA3210@solfire> References: <20120222194724.GA3210@solfire> Organization: Internet Solutions X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.10; x86_64-pc-linux-gnu) 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-Transfer-Encoding: 7bit X-Archives-Salt: a1dfd391-f701-4621-9078-e8c9e6c15d72 X-Archives-Hash: a7564df932382820771fa94b4c84d62d On Wed, 22 Feb 2012 20:47:24 +0100 meino.cramer@gmx.de wrote: > Hi, > > while trying to get a "clean" system after downgrading gcc to > gcc-4.4.5. I encountered a field of black magick...more black > than magic at all: > > To find broken libs I did these two commands: > sudo find /usr/lib/. /lib/. /usr/bin/. -type f -name 'lib*[^a]' > -exec ldd {} \; >! /tmp/librebuild.txt 2>&1 cat /tmp/librebuild.txt | > grep > GLIB Why don't you just use revdep-rebuild? That tool automates precisely what you are trying to do manually. -- Alan McKinnnon alan.mckinnon@gmail.com