Re: Bug#791230: GCC5 transition and jessie-backports

[Bálint Réczey <balint@balintreczey.hu>]

2015-09-23 0:51 GMT+02:00 Matthias Klose <doko@debian.org>:
> On 22.09.2015 13:52, Bálint Réczey wrote:
...
>>   jessie-bpo: libfooNv4
>>   testing: libfooN (Breaks: libfooNv4; Replaces: libfooNv4)
>>
>> I plan back-porting some affected packages but it would be nice if
>> Matthias and backports admins could agree on the best practice first
>> and add this to the transition documentation:
>> https://wiki.debian.org/GCC5
>
>
> you should differentiate two cases:
>
>  - if just the library package was renamed, you should undo
>    the v5 changes.
>
>  - if you had a soname bump, you have to both change the
>    jessie-bpo package, and add the breaks/replaces for
>    unstable/testing. using the v4 suffix there seems to
>    be sensible.
>
> Feel free to add a new section to the wiki page.  Note that at least the
> gcc-5 packaging uses the gcc4-compatible ABI when built for jessie. So even
> if you decide to backport this one, the above changes are necessary.
I have added the notes at:
https://wiki.debian.org/GCC5#Backporting_packages_affected_by_the_libstdc.2B-.2B-_ABI_transition

Cheers,
Balint