I have glibc-2.12.1 running on two ~x86 systems with no problems so far.
> Hi,
>
> Anyone successfully built and using glibc-2.12.1 yet?
>
> I see the tree just pushed an update down from 2.11.2 to 2.12.1, and
> downgrading that package is decidedly non-trivial. Only comment I can find at
> this early stage is flameeye's blog, and this makes me quadruple nervous:
>
>
>
>
> And if you say that “the new GLIBC works for me”, are you saying that the
> package itself builds or if it’s actually integrated correctly? Because, you
> know, I used to rebuild the whole system whenever I made a change to basic
> system packages when I maintained Gentoo/FreeBSD, and saying that it’s ready
> for ~arch when you haven’t even rebuilt the system (and you haven’t, or you
> would have noticed that m4 was broken) is definitely something I’d define as
> reckless and I’d venture to say you’re not good material to work on the
> quality assurance status.
>
> “correctness” in the case of the system C library would be “it a t least
> leaves the system set building and running”; glibc 2.12 does not work this
> way.