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 1OIH4m-0003O5-IC for garchives@archives.gentoo.org; Sat, 29 May 2010 08:07:24 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id B6C64E099D for ; Sat, 29 May 2010 08:07:23 +0000 (UTC) Received: from s15216962.onlinehome-server.info (forum.psychotherapie.org [217.160.22.205]) by pigeon.gentoo.org (Postfix) with ESMTP id 69C63E0630 for ; Sat, 29 May 2010 08:01:15 +0000 (UTC) Received: (from uucp@localhost) by s15216962.onlinehome-server.info (8.13.3/8.13.3) with UUCP id o4T81C8w005320 for gentoo-user@lists.gentoo.org; Sat, 29 May 2010 10:01:12 +0200 Received: (from weigelt@localhost) by nibiru.metux.de (8.12.10/8.12.10) id o4T7uqBN029091 for gentoo-user@lists.gentoo.org; Sat, 29 May 2010 09:56:52 +0200 Date: Sat, 29 May 2010 09:56:52 +0200 From: Enrico Weigelt To: gentoo-user@lists.gentoo.org Subject: [gentoo-user] binary dependencies [WAS: libpng12 is missing] Message-ID: <20100529075650.GA14553@nibiru.local> References: 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=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: User-Agent: Mutt/1.4.1i X-Terror: bin laden, kill bush, Briefbombe, Massenvernichtung, KZ, X-Nazi: Weisse Rasse, Hitlers Wiederauferstehung, 42, X-Antichrist: weg mit schaeuble, ausrotten, heiliger krieg, al quaida, X-Killer: 23, endloesung, Weltuntergang, X-Doof: wer das liest ist doof X-Archives-Salt: e8c6b31b-bd6a-40a8-88da-c5a760643b72 X-Archives-Hash: d242c852ef36359d666b26ccdd8e6968 * Andr=E1s Cs=E1nyi wrote: Hi folks, > It looks like the libpng package makes problem for other's including me..= . :$ > http://bugs.gentoo.org/show_bug.cgi?id=3D319029 IMHO this is a generic problem: when multiple slots exist,=20 portage doesnt seem to know which slot/version of some lib a=20 package was actually built against (that's also why we need things like revdep-rebuild).=20 A clean and generic solution would IMHO be if that information is recorded @ /var/db/pkg/*. In case of some depenency exists in different slots, the installed binary package record also contains a dependency to the lib's slot the package was=20 actually built against. This way, old versions/slots still in use should never be uninstalled.=20 In another pass we could scan for packages which could be=20 rebuilt against a newer lib version, or maybe have it as=20 an new emerge option (like --newuse for changed usedflags). cu --=20 --------------------------------------------------------------------- Enrico Weigelt =3D=3D metux IT service - http://www.metux.de/ --------------------------------------------------------------------- Please visit the OpenSource QM Taskforce: http://wiki.metux.de/public/OpenSource_QM_Taskforce Patches / Fixes for a lot dozens of packages in dozens of versions: http://patches.metux.de/ ---------------------------------------------------------------------