Re: Is the Debian dependency system broken? (wget vs libgnutls-deb0-28)
On 2015-06-15 08:04, Neil Williams wrote:
> On Sun, 14 Jun 2015 13:26:26 -0700
> Russ Allbery <rra@debian.org> wrote:
>
>> Simon McVittie <smcv@debian.org> writes:
>>
>>> This is a recurring (anti-)pattern:
>>
>>> * an ABI-stable, high-level library, say libhigh0, links to a
>>> lower-level library, say liblow0
>>> * we have an ABI transition from liblow0 to liblow1
>>> * liblow0 and liblow1 do not both have versioned symbols
>>
>> And this point is the root of the problem.
>>
>> When I'm in a particular tilting at windmills mood, I think we should
>> just stop accepting new shared libraries in Debian that don't use
>> symbol versioning, and make adding symbol versioning mandatory the
>> next time the SONAME changes.
>
> With the proviso that "ignoring/fudging" a SONAME change to avoid this
> step is an RC bug. A SONAME change going through NEW which doesn't
> include symbol versioning should be a reject.
>
> The work to generate the symbols has already been done but needs a new
> maintainer (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=543640).
> That would need to be fixed first.
>
>> [...]
To avoid confusing myself further, Russ and Neil, are you both talking
about the "debian/symbols" files? I thought Russ might have been
talking about "versioned symbols at DSO level" (e.g. symbol@LOW0 vs
symbol@LOW1).
~Niels
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