Your message dated Sat, 23 Aug 2025 23:34:04 +0000
with message-id <[email protected]>
and subject line Bug#1111915: fixed in libmemcached-libmemcached-perl
1.001801+dfsg-6
has caused the Debian Bug report #1111915,
regarding libmemcached-libmemcached-perl: FTBFS with Perl 5.42: not a CODE
reference
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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immediately.)
--
1111915: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1111915
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: libmemcached-libmemcached-perl
Version: 1.001801+dfsg-5
Severity: important
Tags: ftbfs forky sid patch
User: [email protected]
Usertags: perl-5.42-transition
This package fails to build with Perl 5.42 (currently in experimental.)
https://perl.debian.net/rebuild-logs/perl-5.42/libmemcached-libmemcached-perl_1.001801+dfsg-5/libmemcached-libmemcached-perl_1.001801+dfsg-5+b3_amd64-2025-08-23T12:42:44Z.build
"/usr/bin/perl" -MExtUtils::Command::MM -e 'cp_nonempty' -- libmemcached.bs
blib/arch/auto/Memcached/libmemcached/libmemcached.bs 644
Substitution replacement not terminated at (eval 459) line 8, <GEN0> line 994.
mv libmemcached.xsc libmemcached.c
[...]
Not a CODE reference at
/build/libmemcached-libmemcached-perl-0Dp8aB/libmemcached-libmemcached-perl-1.001801+dfsg/blib/lib/Memcached/libmemcached.pm
line 492.
# Looks like your test exited with 255 before it could output anything.
t/10-set-get.t ...................
1..14
Dubious, test returned 255 (wstat 65280, 0xff00)
Failed 14/14 subtests
It turns out that the package bundles a customized fork of an old
ExtUtils::ParseXS version, which is no longer quite compatible with the
main typemap file bundled with Perl core. See the description in the
attached proposed patch for details. This seems to work for me with both
Perl 5.40 and 5.42.
While we modify the Debian package build quite a bit by linking against
the system libmemcached, I suspect (but haven't tested) that this issue
also happens with an unmodified upstream build. The test suite needs a
running memcached server for the most part, so CPAN testers don't really
cover the full functionality. Also, they don't show the full build log,
so the "Substitution replacement not terminated" symptom is not visible.
I also briefly tried removing the bundled EU::ParseXS stuff, but the
test suite totally blew up because the module typemap file relies on the
customizations (at least $length_var). So I suppose the best we can do
is patch the bundled one to keep it working.
If you want to test changes against Perl 5.42 in experimental and run
into uninstallability problems, there is a test repository of rebuilt
Debian sid packages for amd64 available at <https://perl.debian.net/>.
Thanks for your work on Debian,
--
Niko Tyni [email protected]
>From 9d4c0f0a9042678786ff58243b8fe91f8e90596e Mon Sep 17 00:00:00 2001
From: Niko Tyni <[email protected]>
Date: Sat, 23 Aug 2025 15:27:12 +0100
Subject: [PATCH] Adapt to ExtUtils::ParseXS changes in Perl 5.42
The bundled ExtUtils::ParseXS is a customized fork of an old upstream
version from 2007 or so. However, it still relies on the typemap file
bundled with Perl itself.
This typemap changed in Perl 5.41.1 with
https://github.com/Perl/perl5/commit/42cf75238c3687c1b1fad9263614036f7059c2dc
so that double quote characters are no longer escaped.
This broke custom EU::ParseXS eval qq/"$expr;"/ style calls with code
interpolated from the typemap when generating code for the walk_stats()
function. The end result was that the callback argument in the function
never got set and the test suite failed with 'not a CODE reference'.
Work around this by using qq{} instead of "". Not sure if this is any
more robust, but it least it works with both Perl 5.40 and 5.42.
---
t/lib/ExtUtils/ParseXS.pm | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/t/lib/ExtUtils/ParseXS.pm b/t/lib/ExtUtils/ParseXS.pm
index 401034d..642b785 100644
--- a/t/lib/ExtUtils/ParseXS.pm
+++ b/t/lib/ExtUtils/ParseXS.pm
@@ -1778,7 +1778,7 @@ sub generate_init {
eval qq/print "\\t$var;\\n"/;
warn $@ if $@;
}
- $deferred{post_input} .= eval qq/"\\n$expr;\\n"/;
+ $deferred{post_input} .= eval qq/qq{\\n$expr;\\n}/;
warn $@ if $@;
} else {
die "panic: do not know how to handle this branch for function pointers"
--
2.49.0
--- End Message ---
--- Begin Message ---
Source: libmemcached-libmemcached-perl
Source-Version: 1.001801+dfsg-6
Done: gregor herrmann <[email protected]>
We believe that the bug you reported is fixed in the latest version of
libmemcached-libmemcached-perl, which is due to be installed in the Debian FTP
archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
gregor herrmann <[email protected]> (supplier of updated
libmemcached-libmemcached-perl package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Sun, 24 Aug 2025 01:12:42 +0200
Source: libmemcached-libmemcached-perl
Architecture: source
Version: 1.001801+dfsg-6
Distribution: unstable
Urgency: medium
Maintainer: Debian Perl Group <[email protected]>
Changed-By: gregor herrmann <[email protected]>
Closes: 1111915
Changes:
libmemcached-libmemcached-perl (1.001801+dfsg-6) unstable; urgency=medium
.
* Team upload.
* Add patch from Niko Tyni to adapt to ExtUtils::ParseXS changes in
Perl 5.42. (Closes: #1111915)
* Declare compliance with Debian Policy 4.7.2.
* Remove «Rules-Requires-Root: no», which is the current default.
* Remove «Priority: optional», which is the current default.
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