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 1P9cll-0008H7-Em for garchives@archives.gentoo.org; Sat, 23 Oct 2010 12:00:17 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id A0B85E0459; Sat, 23 Oct 2010 11:59:52 +0000 (UTC) Received: from mail-iw0-f181.google.com (mail-iw0-f181.google.com [209.85.214.181]) by pigeon.gentoo.org (Postfix) with ESMTP id 88289E0459 for ; Sat, 23 Oct 2010 11:59:52 +0000 (UTC) Received: by iwn3 with SMTP id 3so2955943iwn.40 for ; Sat, 23 Oct 2010 04:59:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=hSpDb8RIwnsgnI+E2RBIckfReF0IhbY1jNHaY8crXO0=; b=NH06KHSKJbfNS51wl4tbf4LkeaVw3QDvV9IW8c33sCpscf/R2eyautGgJaZIe7o85m fZro8blUGXsfEiyZQqvWkhssyKAN1B3M0Fv3U1F7CbsPtzN6HLxlzrHsaDBBZWKGi9Qx n2qaiO9vRuCOoZW+bS4YrbUFZ0/j69Cwd0NAQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=JcLQqEsiEPE6/aENHwzldUC1PiQgtiBwgLF9c+fwPABeiB+2n49rhuiTRLO9R10Q/K pDhlfkI6TIKZD332dWRlMc2mQeULg/9K9iS7607CuODAXdsB2rJdlOseX7LEIHpfG2OY ORcmCmIYxqTLQ/xPNCqo8a4zLBFozloExSGfA= 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 10.42.215.211 with SMTP id hf19mr2953154icb.518.1287835192205; Sat, 23 Oct 2010 04:59:52 -0700 (PDT) Received: by 10.42.166.202 with HTTP; Sat, 23 Oct 2010 04:59:52 -0700 (PDT) In-Reply-To: <4CC03F1D.2030409@hadt.biz> References: <4cc02f9e6b63a4.58162744@wp.pl> <4CC03F1D.2030409@hadt.biz> Date: Sat, 23 Oct 2010 20:59:52 +0900 Message-ID: Subject: Re: [gentoo-user] emerge depclean gcc From: daid kahl To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=ISO-8859-1 X-Archives-Salt: 6967a4d3-d2f7-46d2-85c0-64e39d94db90 X-Archives-Hash: c8e46d1034a4c6c20b1f9e782a965d99 2010/10/21 Michael Hampicke : > >> May I just unmerge my old gcc ? >> Is it save ? > > Yes it's save to unmerge your old gcc. > You could also - using quickpkg - create a binary package of your old > gcc before unmerging (for backup puropses). > >From the strictly Gentoo side of things, it's safe (following instructions already posted). However, for myself, I use tons of third party physics software, among other things. A lot of it is not very recent, and sometimes they are picky about which gcc compiles is (and sometimes I need a shell script to switch the gcc for execution of those programs and switch back afterward...joy!) So if you do a lot of compiling of external programs that are not as well maintained and updated, there's not a lot of reason to *unmerge* an old gcc. There are two reasons to actually remove gcc's in my opinion: revdep-rebuild wants to reinstall all of them, you need the disk space. I have 10 options under gcc-config. I'm not at all recommending this to everyone, but just making the point that, depending on what other things you have going on, it's a good idea to check any third party stuff, at the very least, before just removing it, since there's not much harm in keeping a few extra gccs around for rainy days. ~daid