On Thu, 10 Oct 2019 22:31:36 +0200, Andreas Tille wrote: > On Wed, Oct 09, 2019 at 08:45:36PM +0200, gregor herrmann wrote: > > autopkgtest [01:06:02]: test installation-test: [----------------------- > > Can't exec "pp_popcon_cnt": No such file or directory at > > /usr/share/profphd/prof/prof.pl line 15. > > The Rost Lab recommends you install the pp-popularity-contest package that > > provides pp_popcon_cnt: > > > > sudo apt-get install pp-popularity-contest > > Assigning non-zero to $[ is no longer possible at > > /usr/share/profphd/prof/prof.pl line 139. > > autopkgtest [01:06:03]: test installation-test: -----------------------] > > This one is fixed in Git[1]. However it remains: > Assigning non-zero to $[ is no longer possible at > /usr/share/profphd/prof/prof.pl line 139.
What do you mean by "fixed"? This '$[ = 1;' is the reason for the
failure … The "Can't exec" error and the message about popcon are
just noise, I think. It aborts in /usr/share/profphd/prof/prof.pl.
> Any help to resolve this?
To be honest: I don't know. This "feature" of setting the array base was
deprecated in 5.12 (2010) and now seems to be completely gone. I
haven't found a way in a quick search in perl documentation or online
on how to replace it (maybe by packaging and using Array::Base).
Looking a bit further, this doesn't seem to affect only the
autopkgtest because:
% grep -r '\$\[' | wc -l
1099
I mean, it might be possible to just remove '$[ = 1;' eleven hundred
times and see what happens if all arrays are based on 0 instead of 1
but I don't know.
(I also noted that prof.pl had $[ set although I haven't seen an
array in the whole script …)
Also interesting: ChangeLog says in 2015:
* Make prof work with Debian Jessie by requiring perlbrew package
and have it install independent perl v5.10 instance. $[ has been
moved from perl core >=5.16.0 into arybase, and does not produce
the same side effects as in previous perl versions, therefore
breaking prof when run using perl v5.20 in Jessie.
So upstream knows that $[ doesn't work and wants users to build their
own perl 5.10 to keep it running. And it also sounds like the
software relied on side-effects of $[ in perl < 5.16, which means it
might be broken since 2012 in Debian.
Cc'ing the perl team for further comments; but to be honest: if I
were responsible for this package I would be tempted to file an RM
bug.
Cheers,
gregor
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