Am Dienstag, 23. Dezember 2014, 14:36:44 schrieb Anthony G. Basile:
> >>> Do we really need glibc 2.9_p20081201-r3, 2.10.1-r1, 2.11.3, 2.12.1-r3,
> >>> 2.12.2, 2.13-r2, 2.14, 2.14.1-r2, 2.14.1-r3, 2.15-r1, 2.15-r2, 2.15-r3,
> >>> 2.16.0, 2.17, 2.18-r1, 2.19, 2.19-r1, and 2.20?
> >> 
> >> I can't fully speak to this as I'm not familiar.  But are you?
> > 
> > No, I'm not. Which is why I am asking. I'm happy to learn.
> 
> Shall I google that for you? j/k   Here are the change logs ->
> http://www.gnu.org/software/libc/  There are always some big ticket
> items ...

Hehe, yeah I dont doubt that a lot is changing. :) And probably more will 
come. I'm more concerned about the active maintaining / testing with current 
software of the old versions, but then since I'm not the one maintaining 
them...

> And how would someone running 4.9 get to 3.4? 
[...]
> The general testing rule for compiling gcc with gcc is two
> versions back/forwards --- Ryan can correct me if he was doing something
> different, but thats' what I've done for ages. So you really need to
> keep that chain 4.8 -> 4.7 -> 4.6 ... -> 3.3 going.

True, that's a valid point for keeping a "stepladder" of old gcc versions down 
to the earliest version that you want to keep.

Cheers, 
Andreas

-- 
Andreas K. Huettel
Gentoo Linux developer (council, kde)
dilfri...@gentoo.org
http://www.akhuettel.de/

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