On Sonntag 28 Juni 2009, Alan McKinnon wrote: > On Sunday 28 June 2009 05:47:23 Volker Armin Hemmann wrote: > > On Sonntag 28 Juni 2009, Alex Schuster wrote: > > > Volker Armin Hemmann writes: > > > > On Sonntag 28 Juni 2009, Alex Schuster wrote: > > > >> Or keep 4.3 as default, I don't think you could run into problems. > > > > > > > > he will over time. If you switch default compiler emerge -s world has > > > > to be done. > > > > > > According to Alan McKinnon's (and my own experience), this is not > > > necessary, unless there are ABI changes. But there were none between > > > 4.1 and 4.3. > > > > > > http://www.mail-archive.com/gentoo-user@lists.gentoo.org/msg83724.html > > > > > > Wonko > > > > you don't have to compile between 4.2.0 and 4.2.1 - sure. > > > > But with 4.2 to 4.3 I only got a stable system after compiling everything > > with the same compiler. So whatever Alan says - I know how borked my box > > was with half of the libs compiled by one compiler and the rest by the > > other. > > That's interesting. I run ~amd64 here and update almost daily - so I got > practically every gcc version that hit the tree since 3.3 at some stage. > And I never had the problem you describe.
yeah, me too ;) > > It's likely that you have a set of libs that indeed *are* sensitive to > different gcc versions, and I'm not using those libs (so I don't get the > problems). probably, yes. > > I wonder if it would be worth the effort to investigate this further and > isolate problem packages. I don't really think so. emerge -e system or emerge -e world aren't such hard to type - and you can do it in the background. Just open all apps you plan to use in the next couple of hours ;)