Source: libcommuni
Version: 3.7.0-2
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
libcommuni 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 libcommuni
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 libcommuni-3.7.0/debian/changelog libcommuni-3.7.0/debian/changelog
--- libcommuni-3.7.0/debian/changelog   2022-08-10 13:40:06.000000000 +0000
+++ libcommuni-3.7.0/debian/changelog   2024-01-31 20:59:24.000000000 +0000
@@ -1,3 +1,10 @@
+libcommuni (3.7.0-2.1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Steve Langasek <vor...@debian.org>  Wed, 31 Jan 2024 20:59:24 +0000
+
 libcommuni (3.7.0-2) unstable; urgency=medium
 
   * Unmodified source-only upload.
diff -Nru libcommuni-3.7.0/debian/control libcommuni-3.7.0/debian/control
--- libcommuni-3.7.0/debian/control     2022-08-06 16:58:59.000000000 +0000
+++ libcommuni-3.7.0/debian/control     2024-01-31 20:59:24.000000000 +0000
@@ -14,7 +14,10 @@
 Standards-Version: 4.6.1
 Rules-Requires-Root: no
 
-Package: libirccore3
+Package: libirccore3t64
+Provides: ${t64:Provides}
+Replaces: libirccore3
+Breaks: libirccore3 (<< ${source:Version})
 Architecture: any
 Depends: ${misc:Depends},
          ${shlibs:Depends}
@@ -27,7 +30,10 @@
  This library contains the IRC Core classes,
  to manage IRC connections, receive messages and send commands.
 
-Package: libircmodel3
+Package: libircmodel3t64
+Provides: ${t64:Provides}
+Replaces: libircmodel3
+Breaks: libircmodel3 (<< ${source:Version})
 Architecture: any
 Depends: ${misc:Depends},
          ${shlibs:Depends}
@@ -40,7 +46,10 @@
  This library contains the IRC Model classes to keep track of queries,
  channels and users.
 
-Package: libircutil3
+Package: libircutil3t64
+Provides: ${t64:Provides}
+Replaces: libircutil3
+Breaks: libircutil3 (<< ${source:Version})
 Architecture: any
 Depends: ${misc:Depends},
          ${shlibs:Depends}
@@ -55,9 +64,9 @@
 
 Package: qml-module-communi
 Architecture: any
-Depends: libirccore3 (= ${binary:Version}),
-         libircmodel3 (= ${binary:Version}),
-         libircutil3 (= ${binary:Version}),
+Depends: libirccore3t64 (= ${binary:Version}),
+         libircmodel3t64 (= ${binary:Version}),
+         libircutil3t64 (= ${binary:Version}),
          ${misc:Depends},
          ${shlibs:Depends}
 Description: cross-platform IRC framework written with Qt (QML modules)
@@ -72,9 +81,9 @@
 Package: libcommuni-dev
 Architecture: any
 Section: libdevel
-Depends: libirccore3 (= ${binary:Version}),
-         libircmodel3 (= ${binary:Version}),
-         libircutil3 (= ${binary:Version}),
+Depends: libirccore3t64 (= ${binary:Version}),
+         libircmodel3t64 (= ${binary:Version}),
+         libircutil3t64 (= ${binary:Version}),
          ${misc:Depends},
          ${shlibs:Depends}
 Description: cross-platform IRC framework written with Qt (development files)
diff -Nru libcommuni-3.7.0/debian/libirccore3.install 
libcommuni-3.7.0/debian/libirccore3.install
--- libcommuni-3.7.0/debian/libirccore3.install 2022-08-06 11:22:22.000000000 
+0000
+++ libcommuni-3.7.0/debian/libirccore3.install 1970-01-01 00:00:00.000000000 
+0000
@@ -1 +0,0 @@
-/usr/lib/${DEB_HOST_MULTIARCH}/libIrcCore.so.*
diff -Nru libcommuni-3.7.0/debian/libirccore3t64.install 
libcommuni-3.7.0/debian/libirccore3t64.install
--- libcommuni-3.7.0/debian/libirccore3t64.install      1970-01-01 
00:00:00.000000000 +0000
+++ libcommuni-3.7.0/debian/libirccore3t64.install      2022-08-06 
11:22:22.000000000 +0000
@@ -0,0 +1 @@
+/usr/lib/${DEB_HOST_MULTIARCH}/libIrcCore.so.*
diff -Nru libcommuni-3.7.0/debian/libirccore3t64.lintian-overrides 
libcommuni-3.7.0/debian/libirccore3t64.lintian-overrides
--- libcommuni-3.7.0/debian/libirccore3t64.lintian-overrides    1970-01-01 
00:00:00.000000000 +0000
+++ libcommuni-3.7.0/debian/libirccore3t64.lintian-overrides    2024-01-31 
20:59:24.000000000 +0000
@@ -0,0 +1 @@
+libirccore3t64: package-name-doesnt-match-sonames libirccore3
diff -Nru libcommuni-3.7.0/debian/libircmodel3.install 
libcommuni-3.7.0/debian/libircmodel3.install
--- libcommuni-3.7.0/debian/libircmodel3.install        2022-08-06 
11:22:22.000000000 +0000
+++ libcommuni-3.7.0/debian/libircmodel3.install        1970-01-01 
00:00:00.000000000 +0000
@@ -1 +0,0 @@
-/usr/lib/${DEB_HOST_MULTIARCH}/libIrcModel.so.*
diff -Nru libcommuni-3.7.0/debian/libircmodel3t64.install 
libcommuni-3.7.0/debian/libircmodel3t64.install
--- libcommuni-3.7.0/debian/libircmodel3t64.install     1970-01-01 
00:00:00.000000000 +0000
+++ libcommuni-3.7.0/debian/libircmodel3t64.install     2022-08-06 
11:22:22.000000000 +0000
@@ -0,0 +1 @@
+/usr/lib/${DEB_HOST_MULTIARCH}/libIrcModel.so.*
diff -Nru libcommuni-3.7.0/debian/libircmodel3t64.lintian-overrides 
libcommuni-3.7.0/debian/libircmodel3t64.lintian-overrides
--- libcommuni-3.7.0/debian/libircmodel3t64.lintian-overrides   1970-01-01 
00:00:00.000000000 +0000
+++ libcommuni-3.7.0/debian/libircmodel3t64.lintian-overrides   2024-01-31 
20:59:24.000000000 +0000
@@ -0,0 +1 @@
+libircmodel3t64: package-name-doesnt-match-sonames libircmodel3
diff -Nru libcommuni-3.7.0/debian/libircutil3.install 
libcommuni-3.7.0/debian/libircutil3.install
--- libcommuni-3.7.0/debian/libircutil3.install 2022-08-06 11:22:22.000000000 
+0000
+++ libcommuni-3.7.0/debian/libircutil3.install 1970-01-01 00:00:00.000000000 
+0000
@@ -1 +0,0 @@
-/usr/lib/${DEB_HOST_MULTIARCH}/libIrcUtil.so.*
diff -Nru libcommuni-3.7.0/debian/libircutil3t64.install 
libcommuni-3.7.0/debian/libircutil3t64.install
--- libcommuni-3.7.0/debian/libircutil3t64.install      1970-01-01 
00:00:00.000000000 +0000
+++ libcommuni-3.7.0/debian/libircutil3t64.install      2022-08-06 
11:22:22.000000000 +0000
@@ -0,0 +1 @@
+/usr/lib/${DEB_HOST_MULTIARCH}/libIrcUtil.so.*
diff -Nru libcommuni-3.7.0/debian/libircutil3t64.lintian-overrides 
libcommuni-3.7.0/debian/libircutil3t64.lintian-overrides
--- libcommuni-3.7.0/debian/libircutil3t64.lintian-overrides    1970-01-01 
00:00:00.000000000 +0000
+++ libcommuni-3.7.0/debian/libircutil3t64.lintian-overrides    2024-01-31 
20:59:24.000000000 +0000
@@ -0,0 +1 @@
+libircutil3t64: package-name-doesnt-match-sonames libircutil3

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