Source: toontag
Version: 0.0~git20220105193632.41237ef-2
Severity: serious
Tags: patch pending sid trixie
Justification: library ABI skew on upgrade
User: debian-...@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
toontag 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 toontag
which will initially be uploaded to experimental if possible, then to
unstable after packages have cleared binary NEW.

Please find the patch for this NMU attached.

If you have any concerns about this patch, please reach out ASAP.  Although
this package will be uploaded to experimental immediately, there will be a
period of several days before we begin uploads to unstable; so if information
becomes available that your package should not be included in the transition,
there is time for us to amend the planned uploads.



-- 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 toontag-0.0~git20220105193632.41237ef/debian/changelog 
toontag-0.0~git20220105193632.41237ef/debian/changelog
--- toontag-0.0~git20220105193632.41237ef/debian/changelog      2022-01-31 
12:07:03.000000000 +0000
+++ toontag-0.0~git20220105193632.41237ef/debian/changelog      2024-02-04 
10:11:45.000000000 +0000
@@ -1,3 +1,10 @@
+toontag (0.0~git20220105193632.41237ef-2.1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Steve Langasek <vor...@debian.org>  Sun, 04 Feb 2024 10:11:45 +0000
+
 toontag (0.0~git20220105193632.41237ef-2) unstable; urgency=medium
 
   * Source-only upload for migration to testing.
diff -Nru toontag-0.0~git20220105193632.41237ef/debian/control 
toontag-0.0~git20220105193632.41237ef/debian/control
--- toontag-0.0~git20220105193632.41237ef/debian/control        2022-01-05 
20:11:59.000000000 +0000
+++ toontag-0.0~git20220105193632.41237ef/debian/control        2024-02-04 
10:11:45.000000000 +0000
@@ -14,7 +14,7 @@
 Section: libdevel
 Architecture: any
 Multi-Arch: same
-Depends: libtoontag0 (= ${binary:Version}), ${misc:Depends}
+Depends: libtoontag0t64 (= ${binary:Version}), ${misc:Depends}
 Description: TooN Algorithm Library - development files
  TooN is a C++ numerics library which is designed to operate
  efficiently on large numbers of small matrices, and provides easy
@@ -31,7 +31,10 @@
  algorithms including estimation, 3D geoometry and standard library
  enhancements.
 
-Package: libtoontag0
+Package: libtoontag0t64
+Provides: ${t64:Provides}
+Replaces: libtoontag0
+Breaks: libtoontag0 (<< ${source:Version})
 Section: libdevel
 Architecture: any
 Multi-Arch: same
diff -Nru toontag-0.0~git20220105193632.41237ef/debian/libtoontag0.install 
toontag-0.0~git20220105193632.41237ef/debian/libtoontag0.install
--- toontag-0.0~git20220105193632.41237ef/debian/libtoontag0.install    
2022-01-05 20:11:59.000000000 +0000
+++ toontag-0.0~git20220105193632.41237ef/debian/libtoontag0.install    
1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-usr/lib/*/lib*.so.*
diff -Nru toontag-0.0~git20220105193632.41237ef/debian/libtoontag0t64.install 
toontag-0.0~git20220105193632.41237ef/debian/libtoontag0t64.install
--- toontag-0.0~git20220105193632.41237ef/debian/libtoontag0t64.install 
1970-01-01 00:00:00.000000000 +0000
+++ toontag-0.0~git20220105193632.41237ef/debian/libtoontag0t64.install 
2022-01-05 20:11:59.000000000 +0000
@@ -0,0 +1 @@
+usr/lib/*/lib*.so.*
diff -Nru 
toontag-0.0~git20220105193632.41237ef/debian/libtoontag0t64.lintian-overrides 
toontag-0.0~git20220105193632.41237ef/debian/libtoontag0t64.lintian-overrides
--- 
toontag-0.0~git20220105193632.41237ef/debian/libtoontag0t64.lintian-overrides   
    1970-01-01 00:00:00.000000000 +0000
+++ 
toontag-0.0~git20220105193632.41237ef/debian/libtoontag0t64.lintian-overrides   
    2024-02-04 10:11:45.000000000 +0000
@@ -0,0 +1 @@
+libtoontag0t64: package-name-doesnt-match-sonames libtoontag0
-- 
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