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 1P8w4A-0005d0-2E for garchives@archives.gentoo.org; Thu, 21 Oct 2010 14:24:26 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id BC3FBE0686; Thu, 21 Oct 2010 14:23:41 +0000 (UTC) Received: from mail-fx0-f53.google.com (mail-fx0-f53.google.com [209.85.161.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 7A6EAE0686 for ; Thu, 21 Oct 2010 14:23:41 +0000 (UTC) Received: by fxm6 with SMTP id 6so110563fxm.40 for ; Thu, 21 Oct 2010 07:23:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:content-type; bh=zANzTh/9NOUq8t0TBRukPTAaTPlf/McBicxw1I6g6uw=; b=kQoCDvUTgiK8Dxdkb2CW6DNkHiZrmlVNb0fnY9mGEvpj//avRa9f93h1PhT0C2pNix qY47kZqnW81MMBKSurkggPMjap2MQsXMAQ7fnIEeGkQ0xe735qsV3j2tJsOo08rqAlPN ZAjQZBn5EzUn8u+snfzGGc1I2lMVEOqOp6ywQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; b=KAu1wLujoUAiONENF6UhCDnPsrxqV8Z8aPIB8eJ8SuEegPabz4thvi4EHtH+qS5IEK tT20YAJv62GMkR5K5NgsusUQ9n2WMNLydnGt+NSp10iFXocD8ZNsvL+gfZcrNtd2E57T SDQV1QJQmk1EreziQoW9ajgxdELAKZRqWO6gM= 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 Received: by 10.239.169.205 with SMTP id p13mr93611hbe.52.1287670631650; Thu, 21 Oct 2010 07:17:11 -0700 (PDT) Sender: paul.hartman@gmail.com Received: by 10.239.162.67 with HTTP; Thu, 21 Oct 2010 07:17:11 -0700 (PDT) In-Reply-To: <4cc02f9e6b63a4.58162744@wp.pl> References: <4cc02f9e6b63a4.58162744@wp.pl> Date: Thu, 21 Oct 2010 09:17:11 -0500 X-Google-Sender-Auth: sjmSXWNHCiH-LWw2l4qY8YG5P7A Message-ID: Subject: Re: [gentoo-user] emerge depclean gcc From: Paul Hartman To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=ISO-8859-1 X-Archives-Salt: ab1faa60-a0a8-4ad6-8e77-543c9824728a X-Archives-Hash: 3d6cc8c2504edb2eadbf2a4d7c6055cc 2010/10/21 : > Hi > I have upgraded my gentoo recently. > New version of gcc-4.4.3-r2 has been emerged. > Now I have 2 versions of gcc: > gcc-4.3.4 > gcc-4.4.3-r2 > > There are still many packages compiled with the old version of gcc and > now I don't want to rebuild them all with a new version. > emerge --depclean wants to unemerge my old version of gcc. > > May I just unmerge my old gcc ? > Is it save ? use gcc-config to select the new gcc as your default compiler env-update source /etc/profile fix_libtool_files.sh 4.3.4 emerge --oneshot libtool then unmerge the old version of gcc revdep-rebuild just to be safe I think that should be all that's needed. I don't think there's any reason to recompile world or anything like this.