Bug#1062745: liggghts: NMU diff for 64-bit time_t transition

[Steve Langasek]

Sorry, for some reason a number of bugs failed to have their patches
attached.  Please find the debdiff from the experimental upload attached
now.

On Fri, Feb 02, 2024 at 11:01:06PM +0000, Steve Langasek wrote:
> Source: liggghts
> Version: 3.8.0+repack1-9
> Severity: serious
> Tags: patch pending sid trixie
> Justification: library ABI skew on upgrade
> User: debian-arm at 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
> liggghts 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 liggghts
> 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'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
> 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)
> 

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                   https://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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diff -Nru liggghts-3.8.0+repack1/debian/changelog liggghts-3.8.0+repack1/debian/changelog
--- liggghts-3.8.0+repack1/debian/changelog	2021-10-19 18:49:53.000000000 +0000
+++ liggghts-3.8.0+repack1/debian/changelog	2024-02-02 20:24:20.000000000 +0000
@@ -1,3 +1,10 @@
+liggghts (3.8.0+repack1-9.1~exp1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Steve Langasek <vorlon at debian.org>  Fri, 02 Feb 2024 20:24:20 +0000
+
 liggghts (3.8.0+repack1-9) unstable; urgency=medium
 
   * [67ea6b6] Fix FTBFS with GCC-11. (Closes: #984217)
diff -Nru liggghts-3.8.0+repack1/debian/control liggghts-3.8.0+repack1/debian/control
--- liggghts-3.8.0+repack1/debian/control	2021-10-19 18:49:35.000000000 +0000
+++ liggghts-3.8.0+repack1/debian/control	2024-02-02 20:24:20.000000000 +0000
@@ -21,7 +21,7 @@
 Architecture: any
 Multi-Arch: same
 Section: libdevel
-Depends: libliggghts3 (= ${binary:Version}),
+Depends: libliggghts3t64 (= ${binary:Version}),
          mpi-default-bin,
          ${misc:Depends},
          ${shlibs:Depends}
@@ -39,7 +39,10 @@
  .
  The package contains development files.
 
-Package: libliggghts3
+Package: libliggghts3t64
+Provides: ${t64:Provides}
+Replaces: libliggghts3
+Breaks: libliggghts3 (<< ${source:Version})
 Architecture: any
 Multi-Arch: same
 Depends: mpi-default-bin,
@@ -62,7 +65,7 @@
 Package: liggghts
 Architecture: any
 Multi-Arch: foreign
-Depends: libliggghts3 (>= ${source:Version}),
+Depends: libliggghts3t64 (>= ${source:Version}),
          mpi-default-bin,
          ${misc:Depends},
          ${shlibs:Depends}
diff -Nru liggghts-3.8.0+repack1/debian/libliggghts3.install liggghts-3.8.0+repack1/debian/libliggghts3.install
--- liggghts-3.8.0+repack1/debian/libliggghts3.install	2017-07-17 21:19:13.000000000 +0000
+++ liggghts-3.8.0+repack1/debian/libliggghts3.install	1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-usr/lib/*/libliggghts.so.*
diff -Nru liggghts-3.8.0+repack1/debian/libliggghts3t64.install liggghts-3.8.0+repack1/debian/libliggghts3t64.install
--- liggghts-3.8.0+repack1/debian/libliggghts3t64.install	1970-01-01 00:00:00.000000000 +0000
+++ liggghts-3.8.0+repack1/debian/libliggghts3t64.install	2024-02-02 20:24:20.000000000 +0000
@@ -0,0 +1 @@
+usr/lib/*/libliggghts.so.*
diff -Nru liggghts-3.8.0+repack1/debian/libliggghts3t64.lintian-overrides liggghts-3.8.0+repack1/debian/libliggghts3t64.lintian-overrides
--- liggghts-3.8.0+repack1/debian/libliggghts3t64.lintian-overrides	1970-01-01 00:00:00.000000000 +0000
+++ liggghts-3.8.0+repack1/debian/libliggghts3t64.lintian-overrides	2024-02-02 20:24:20.000000000 +0000
@@ -0,0 +1 @@
+libliggghts3t64: package-name-doesnt-match-sonames libliggghts3
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