[Debian-med-packaging] Bug#1022253: swi-prolog breaks logol autopkgtest on s390x

[Paul Gevers]

Hi Lev,

On 23-10-2022 09:08, Lev Lamberov wrote:
> Сб 22 окт 2022 @ 21:27 Paul Gevers <elbrus at debian.org>:
>> With a recent upload of swi-prolog the autopkgtest of logol fails in
>> testing when that autopkgtest is run with the binary packages of
>> swi-prolog from unstable. It passes when run with only packages from
>> testing. In tabular form:
> 
> I've tried to build the logol package against swi-prolog in unstable on
> s390x porterbox and it was successful. I'm not sure whether it runs the
> same tests as during the autopkgtest testing. Unfortunately, I cannot
> test these rebuilt logol packages on s390x at the moment. The last
> change in the swi-prolog package was related to a bug concerning broken
> handling of endiannes (the bug was seen on s390x indeed, but not on
> other architectures). Now swi-prolog should correctly handle it.
> Probably, logol needs to be rebuilt against this new swi-prolog.

If rebuilding is "the" solution, the change in swi-prolog feels like an 
ABI breakage (on big endian architectures), right? If that's true, what 
about the other reverse build dependencies of swi-prolog? Should all of 
them be rebuild? ... Hmm, we're only talking about ppl in addition to 
logol here.

Paul
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