Source: libgpiv
Version: 0.6.1-7.1
Severity: serious
Tags: patch pending
Justification: library ABI skew on upgrade
User: debian-...@lists.debian.org
Usertags: time-t

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
libgpiv 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 libgpiv
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'), (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)
diff -Nru libgpiv-0.6.1/debian/changelog libgpiv-0.6.1/debian/changelog
--- libgpiv-0.6.1/debian/changelog      2021-01-03 16:54:03.000000000 +0000
+++ libgpiv-0.6.1/debian/changelog      2024-02-01 02:07:00.000000000 +0000
@@ -1,3 +1,10 @@
+libgpiv (0.6.1-7.2) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Steve Langasek <vor...@debian.org>  Thu, 01 Feb 2024 02:07:00 +0000
+
 libgpiv (0.6.1-7.1) unstable; urgency=medium
 
   * Non maintainer upload by the Reproducible Builds team.
diff -Nru libgpiv-0.6.1/debian/control libgpiv-0.6.1/debian/control
--- libgpiv-0.6.1/debian/control        2017-09-01 18:18:18.000000000 +0000
+++ libgpiv-0.6.1/debian/control        2024-02-01 02:07:00.000000000 +0000
@@ -33,13 +33,16 @@
  This package contains the files that the libgpiv3-* packages share,
  like the configuration file.
 
-Package: libgpiv3
+Package: libgpiv3t64
+Provides: ${t64:Provides}
+Replaces: libgpiv3
+Breaks: libgpiv3 (<< ${source:Version})
 Section: libs
 Architecture: any
 Depends: libgpiv3-common,
          ${misc:Depends},
          ${shlibs:Depends}
-Conflicts: libgpiv-mpi3
+Conflicts: libgpiv-mpi3t64
 Description: library for Particle Image Velocimetry (PIV)
  This library contains functions for evaluating images from a fluid
  flow by means of Particle Image Velocimetry (PIV).
@@ -63,7 +66,7 @@
 Provides: libgpiv-dev
 Section: libdevel
 Architecture: any
-Depends: libgpiv-mpi3 (= ${binary:Version}) | libgpiv3 (= ${binary:Version}),
+Depends: libgpiv-mpi3t64 (= ${binary:Version}) | libgpiv3t64 (= 
${binary:Version}),
          ${misc:Depends}
 Description: library for Particle Image Velocimetry (PIV) - development files
  This library contains functions for evaluating images from a fluid flow
@@ -87,13 +90,16 @@
  This package contains the Application Programming Interface (API)
  documentation, generated by doxygen in html format.
 
-Package: libgpiv-mpi3
+Package: libgpiv-mpi3t64
+Provides: ${t64:Provides}
+Replaces: libgpiv-mpi3
+Breaks: libgpiv-mpi3 (<< ${source:Version})
 Section: libs
 Architecture: any
 Depends: libgpiv3-common (= ${binary:Version}),
          ${misc:Depends},
          ${shlibs:Depends}
-Conflicts: libgpiv3
+Conflicts: libgpiv3t64
 Description: library for Particle Image Velocimetry (PIV) - MPI version
  This library contains functions for evaluating images from a fluid
  flow by means of Particle Image Velocimetry (PIV).
diff -Nru libgpiv-0.6.1/debian/libgpiv-mpi3.install 
libgpiv-0.6.1/debian/libgpiv-mpi3.install
--- libgpiv-0.6.1/debian/libgpiv-mpi3.install   2017-07-23 11:16:48.000000000 
+0000
+++ libgpiv-0.6.1/debian/libgpiv-mpi3.install   1970-01-01 00:00:00.000000000 
+0000
@@ -1 +0,0 @@
-usr/lib/*/lib*.so.*
diff -Nru libgpiv-0.6.1/debian/libgpiv-mpi3t64.install 
libgpiv-0.6.1/debian/libgpiv-mpi3t64.install
--- libgpiv-0.6.1/debian/libgpiv-mpi3t64.install        1970-01-01 
00:00:00.000000000 +0000
+++ libgpiv-0.6.1/debian/libgpiv-mpi3t64.install        2017-07-23 
11:16:48.000000000 +0000
@@ -0,0 +1 @@
+usr/lib/*/lib*.so.*
diff -Nru libgpiv-0.6.1/debian/libgpiv-mpi3t64.lintian-overrides 
libgpiv-0.6.1/debian/libgpiv-mpi3t64.lintian-overrides
--- libgpiv-0.6.1/debian/libgpiv-mpi3t64.lintian-overrides      1970-01-01 
00:00:00.000000000 +0000
+++ libgpiv-0.6.1/debian/libgpiv-mpi3t64.lintian-overrides      2024-02-01 
02:07:00.000000000 +0000
@@ -0,0 +1 @@
+libgpiv-mpi3t64: package-name-doesnt-match-sonames libgpiv-mpi3
diff -Nru libgpiv-0.6.1/debian/libgpiv3.install 
libgpiv-0.6.1/debian/libgpiv3.install
--- libgpiv-0.6.1/debian/libgpiv3.install       2017-07-23 11:16:58.000000000 
+0000
+++ libgpiv-0.6.1/debian/libgpiv3.install       1970-01-01 00:00:00.000000000 
+0000
@@ -1 +0,0 @@
-usr/lib/*/lib*.so.*
diff -Nru libgpiv-0.6.1/debian/libgpiv3t64.install 
libgpiv-0.6.1/debian/libgpiv3t64.install
--- libgpiv-0.6.1/debian/libgpiv3t64.install    1970-01-01 00:00:00.000000000 
+0000
+++ libgpiv-0.6.1/debian/libgpiv3t64.install    2017-07-23 11:16:58.000000000 
+0000
@@ -0,0 +1 @@
+usr/lib/*/lib*.so.*
diff -Nru libgpiv-0.6.1/debian/libgpiv3t64.lintian-overrides 
libgpiv-0.6.1/debian/libgpiv3t64.lintian-overrides
--- libgpiv-0.6.1/debian/libgpiv3t64.lintian-overrides  1970-01-01 
00:00:00.000000000 +0000
+++ libgpiv-0.6.1/debian/libgpiv3t64.lintian-overrides  2024-02-01 
02:07:00.000000000 +0000
@@ -0,0 +1 @@
+libgpiv3t64: package-name-doesnt-match-sonames libgpiv3

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