Re: emacs reproducible builds part1 of 2 : eln

[Bernhard M. Wiedemann]

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...

Ciao
Bernhard M.