Re: Expat 2.3.0 has been released

[Sebastian Pipping]

On 09.05.21 16:07, Leo Famulari wrote:
> On Sun, May 09, 2021 at 02:53:09PM +0200, Sebastian Pipping wrote:
>> The related soversions are:
>>
>>   2.2. 9 = 7:11:6 -> libexpatso.1.6.11 (GUIX today)
>>   2.2.10 = 7:12:6 -> libexpatso.1.6.12
>>   2.3. 0 = 8: 0:7 -> libexpatso.1.7.0 (GUIX W.I.P.)
>>   2.4. 0 = 9: 0:8 -> libexpatso.1.8.0 (upcoming)
> 
> Alright, in this case we'll need to cherry-pick the relevant bug fixes.
> 
> See the manual section Security Updates for this note:
> 
> "Other restrictions may apply: for instance, when adding a graft to a
> package providing a shared library, the original shared library and its
> replacement must have the same SONAME and be binary-compatible."

The soname is the same: it's libexpatso.1 for all of them — no?

  # objdump -p libexpat.so.1.7.0 | grep SONAME
    SONAME               libexpat.so.1

They are binary-compatible.  So I think there may be a misunderstanding
here.