Re: emacs reproducible builds part1 of 2 : eln

[Andrea Corallo <acorallo@gnu.org>]

"Bernhard M. Wiedemann" <bernhardout@lsmod.de> writes:

> On 28/05/2024 17.20, Andrea Corallo wrote:
>> Andrea Corallo <acorallo@gnu.org> writes:
>> 
>>> "Bernhard M. Wiedemann" <bernhardout@lsmod.de> writes:
>>>> I made a reproducer for one of them:
>>>>
>>>> cd ~/rpmbuild/BUILD/emacs-29.3/native-lisp &&
>>>>   for i in $(seq 10) ; do
>>>>    ../src/emacs -batch \
>>>>    --eval "(batch-native-compile t)" ../lisp/international/utf7.el &&
>>>>    md5sum 29.*/utf7.eln
>>>>   done | sort | uniq -c
>>>>
>>>> again with ASLR as factor in the result.
>>>>
>>>> The varying files are
>>>> emacs/29.3/native-lisp/29.3-f8a6a23e/el-72f9fa70-1a554ff6.eln
>>>> emacs/29.3/native-lisp/29.3-f8a6a23e/ox-9aa46d10-040d281c.eln
>>>> emacs/29.3/native-lisp/29.3-f8a6a23e/utf7-8aab9346-0cfd2c82.eln
>>>> emacs/29.3/native-lisp/29.3-fc431f4a/utf7-8aab9346-0cfd2c82.eln
>>>>
>>>> Unfortunately, the el.el and ox.el don't reproduce non-determinism the
>>>> same way.
>>>
>>> Just an ACK that I've reproduced the utf7 case and I'm working on a fix.
>>> I'll look at the other afterwards (if the fix does not fix all of them).
>> Hi Bernhard,
>> could you verify that after 509e7f877ba those elns are now stable
>> for
>> you?
>> Building lisp/cedet/semantic/bovine/el.el, lisp/org/ox.el and
>> lisp/international/utf7.el looks stable on my test-bed here.
>
> I get build failures when I add only this patch on top of our 29.3
> and when I try to apply the whole 18MB diff of 29.3..509e7f877ba it
> clashes with the other patches we have in our openSUSE package.
> I'll just wait for 29.4 then...

Ouch I'm not sure there will ever be a 29.4... Eli?

Bernhard trying master is not an option?

Thanks

  Andrea