El jue, 20-12-2012 a las 12:23 -0800, Zac Medico escribió: > On 12/20/2012 12:09 PM, Rich Freeman wrote: > > On Wed, Dec 19, 2012 at 4:43 AM, Zac Medico <zmed...@gentoo.org> wrote: > >> On 12/18/2012 11:58 PM, Duncan wrote: > >>> I didn't know that. Last I knew, stable portage had special-case > >>> acceptance of @system and @world to prepare the way, but I hadn't seen > >>> that full /etc/portage/sets/* and /var/lib/portage/world_sets support was > >>> stabilized. > >>> > >>> If indeed it is as you say, I've even more to rejoice about! =:^) > >> > >> Yeah, it's only been in stable for a few months now, so lots of people > >> aren't aware of it yet. > >> > >> The current list available in portage-2.1.10.x, reported by emerge > >> --list-sets is: > >> > >> preserved-rebuild > > > > If @preserved-rebuild and the corresponding FEATURES=preserve-libs are > > now stable, we should create a news item about this. > > > > Otherwise people will still be running revdep-rebuild a decade from > > now, as this feature was never formally announced as far as I'm aware, > > and all the mentions of it were ages ago and not available to stable > > users at the time. > > It's not enabled by default yet though. In the following blog post I've > mentioned that I would like to wait for EAPI 5 and automatic rebuilds > (via sub-slots and slot-operators) to gain widespread adoption before > preserve-libs is enabled by default: > > http://blogs.gentoo.org/zmedico/2012/09/21/preserve-libs-available-in-portage-2-1/ > > The reason that I want to wait is that EAPI 5 automatic rebuilds provide > solutions for known problems with @preserved-rebuild. These problems > include symbol collisions [1] and unnecessary rebuilding of packages > that are eligible for removal by emerge --depclean [2]. > > [1] > http://blog.flameeyes.eu/2008/06/a-few-risks-i-see-related-to-the-new-portage-2-2-preserve-libs-behaviour > [2] https://bugs.gentoo.org/show_bug.cgi?id=364425
Regarding symbol collisions, they would appear when people don't rebuild packages after updating (and that would be solved with eapi5, no? But, it's not exactly the same as is occurring currently if people forget to run revdep-rebuild (or if it's partially run)?
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