A

[Didier Roche]

Le 02/08/2012 13:25, Bjoern Michaelsen a écrit :
> Hi,
>
> On Wed, Jul 04, 2012 at 03:53:00PM +0200, Matthias Klose wrote:
>> On 03.07.2012 12:02, Bjoern Michaelsen wrote:
>>> - a full rebuild of quantal
>>>
>>> right?
>> why? not every package like LibreOffice turns off verbose build logs so you can
>> see from the log how the package was built.
> Im getting really cautious to jump to comclusions, but I kinda suspect there is
> still dirty C++11 ABI in quantal somewhere:
>
>   https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1017125/comments/27
>
> Im getting quite desparate here. I also looked at libreoffice with
> LD_DEBUG=all, but didnt find an obvious clue.
>
> So short of recompiling all of the build-deps of LlbreOffice (which are 417
> plus those that are already on the buildd by default) and then toggling through
> each package to see which one is 'guilty', Im out of ideas.
>
> As for recompiling: Thats also not trivial: If I start from quantal I risk
> keeping the dirty stuff in somewhere (e.g. via static linking). If I start from
> precise, I would need to carefully figure out the incremental build order to
> keep the deps happy, which might be nontrivial.
>
> So, hints and ideas welcome (and desparately needed).
>
> Best,
>
> Bjoern
>
> P.S.: BTW AFAIK both Fedora and SUSEs build services do a full rebuild of all
> reverse dependencies on package update. That clearly would have prevented some
> pain here.
>

I don't know where are the state of our C++ libs, but I got confirmation 
that after they got the gcc 4.7 ABI fix for c++11, they indeed rebuild 
the whole std stack, including libsigc++. Are we safe in that regard? 
(can I try to switch unity back to 4.7?)

Thanks,
Didier