Hi, all.
Thanks for your comment.
2017-10-22 1:37 GMT+09:00 Emilio Pozuelo Monfort <po...@debian.org>:
> Control: tags -1 moreinfo
>
> On 20/10/17 11:13, Mattia Rizzolo wrote:
>> On Fri, Oct 20, 2017 at 12:32:06PM +0900, Nobuhiro Iwamatsu wrote:
>>> I'd like to push lz4 1.8.0 into unstable.
>>> The library packge name has not changed since the previous version. However,
>>> some API have been removed . Therefore, lz4 1.8.0 requires transition
>>> processing,
>>
>> Since, as the symbols diff you attached, this version removes symbols,
>> therefore breaking the ABI, shouldn't the SONAME be changed as well,
>> together with the package name (i.e. liblz4-1 → liblz4-2).
>
> Yes, if symbols are removed, then the ABI is broken and the library needs to
> bump the SONAME. Worst case, if upstream doesn't want to bump it, you can
> rename
> the package to e.g. liblz4-1a, with Conflicts/Breaks/Replaces against
> liblz4-1.
> The SONAME bump is preferred though so that liblz4-1 and liblz4-2 are
> co-installable, which eases both the transition and upgrades.
I see. I undetstood.
>
> We could ignore the fact that symbols were removed IF those symbols weren't
> part
> of the public ABI (e.g. they weren't exported in the public headers). Which
> seems to be the case here from a quick grep, but I don't know this library
> well
> enough to affirm that...
OK, I will check the dependencies of the library and the software that uses it.
>
> Cheers,
> Emilio
Best regards,
Nobuhiro
--
Nobuhiro Iwamatsu
iwamatsu at {nigauri.org / debian.org}
GPG ID: 40AD1FA6
