On Mon, Feb 05, 2024 at 02:43:30PM -0300, Lucas Kanashiro wrote:

Source: pari
Version: 2.15.4-2
Severity: serious
Tags: patch pending sid trixie
Justification: library ABI skew on upgrade
User: debian-arm@lists.debian.org
Usertags: time-t

NOTICE: these changes must not be uploaded to unstable yet!

Dear maintainer,

As part of the 64-bit time_t transition required to support 32-bit architectures in 2038 and beyond (https://wiki.debian.org/ReleaseGoals/64bit-time), we have identified
pari as a source package shipping runtime libraries whose ABI
either is affected by the change in size of time_t, or could not be
analyzed via abi-compliance-checker (and therefore to be on the safe
side we assume is affected).

To ensure that inconsistent combinations of libraries with their reverse-dependencies are never installed together, it is necessary to
have a library transition, which is most easily done by renaming the
runtime library package.

Since turning on 64-bit time_t is being handled centrally through a change
to the default dpkg-buildflags (https://bugs.debian.org/1037136), it is important that libraries affected by this ABI change all be uploaded close together in time. Therefore I have prepared a 0-day NMU for pari
which will initially be uploaded to experimental if possible, then to unstable after packages have cleared binary NEW.

Have you actually checked that pari will really be build with the relevant flags ?
If there is a new ABI, then one should take the opportunity to remove CFLAGS_i386 := -mpc64

There is no need for a lintian override, this is a well-known lintian bug...

Cheers,
Bill

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Dear maintainer,

Please find attached a final version of this patch for the time_t
transition. This patch is being uploaded to unstable.

Note that this adds a versioned build-dependency on dpkg-dev, to guard
against accidental backports with a wrong ABI.

Thanks!


-- System Information:
Debian Release: trixie/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.5.0-14-generic (SMP w/12 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE
Locale: LANG=C, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)

diff -Nru pari-2.15.4/debian/changelog pari-2.15.4/debian/changelog
--- pari-2.15.4/debian/changelog 2023-07-12 10:08:54.000000000 +0000
+++ pari-2.15.4/debian/changelog 2024-03-01 23:24:56.000000000 +0000
@@ -1,3 +1,10 @@
+pari (2.15.4-2.1) unstable; urgency=medium
+
+ * Non-maintainer upload.
+ * Rename libraries for 64-bit time_t transition. Closes: #1063210
+
+ -- Steve Langasek <vorlon@debian.org> Fri, 01 Mar 2024 23:24:56 +0000
+
pari (2.15.4-2) unstable; urgency=medium

* New patch: usptream-forqfvec: from upstream, fix 32bit support
diff -Nru pari-2.15.4/debian/control pari-2.15.4/debian/control
--- pari-2.15.4/debian/control 2023-07-10 09:31:13.000000000 +0000
+++ pari-2.15.4/debian/control 2024-03-01 23:24:56.000000000 +0000
@@ -1,5 +1,5 @@
Source: pari
-Build-Depends: debhelper-compat (= 13), libreadline-dev, libx11-dev, libgmp-dev,
+Build-Depends: dpkg-dev (>= 1.22.5), debhelper-compat (= 13), libreadline-dev, libx11-dev, libgmp-dev,
pari-galdata, pari-elldata, pari-seadata, pari-galpol, pari-nflistdata
Build-Depends-