[xml/sgml-pkgs] Bug#1059040: libxml2: ABI change? (undefined references)

[Rafael Laboissière]

* Thorsten Glaser <t.glaser at qvest-digital.com> [2024-01-12 17:56]:

> On Fri, 12 Jan 2024, Rafael Laboissière wrote:
>
>> experimental, the configure script does detect the absence of the 
>> xmlNanoFTPNewCtxt function in the libxml2 library (version 
>> 2.12.3+dfsg-0exp1) and disables the call to the xmlNanoFTP* functions. 
>> However, this rebuilt will not be automatically triggered without a 
>> bump in the SONAME version of libxml2.
>>
>> In summary, the introduction of version 2.12 of libxml2 in unstable 
>> will need a proper and coordinated transition.
>
> No, this will still break partial upgrades.
>
> Losing symbols needs a major shlib version change *including*, in 
> Debian, changing the binary package name so that the old and new 
> shlibs are coïnstallable.
>
> And this needs to be exercised in experimental first, not only 
> when introducing this to unstable.
>
> Alternatively, bring the symbols back.

Thanks for the clarification, this is exactly what I meant. I apologized 
for not being clear enough.

Best,

Rafael Laboissière