Source: lrcalc
Version: 1.2-2
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
lrcalc 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 lrcalc
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'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 6.5.0-15-generic (SMP w/8 CPU threads; PREEMPT)
Kernel taint flags: 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: unable to detect
diff -Nru lrcalc-1.2/debian/changelog lrcalc-1.2/debian/changelog
--- lrcalc-1.2/debian/changelog 2016-08-01 16:26:25.000000000 +0000
+++ lrcalc-1.2/debian/changelog 2024-02-02 16:13:45.000000000 +0000
@@ -1,3 +1,10 @@
+lrcalc (1.2-2.1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Graham Inggs <gin...@debian.org>  Fri, 02 Feb 2024 16:13:45 +0000
+
 lrcalc (1.2-2) unstable; urgency=medium
 
   * New patch debian/includes.patch:
diff -Nru lrcalc-1.2/debian/control lrcalc-1.2/debian/control
--- lrcalc-1.2/debian/control   2016-08-01 16:26:04.000000000 +0000
+++ lrcalc-1.2/debian/control   2024-02-02 16:13:45.000000000 +0000
@@ -21,7 +21,10 @@
  .
  This package contains the command-line programs.
 
-Package: liblrcalc1
+Package: liblrcalc1t64
+Provides: ${t64:Provides}
+Replaces: liblrcalc1
+Breaks: liblrcalc1 (<< ${source:Version})
 Architecture: any
 Section: libs
 Multi-Arch: same
@@ -39,7 +42,7 @@
 Package: liblrcalc-dev
 Architecture: any
 Section: libdevel
-Depends: ${misc:Depends}, liblrcalc1 (= ${binary:Version})
+Depends: ${misc:Depends}, liblrcalc1t64 (= ${binary:Version})
 Description: library for calculating Littlewood-Richardson coefficients - 
development files
  The "Littlewood-Richardson Calculator" is a package of C programs for
  computing Littlewood-Richardson coefficients, providing fast calculation of
diff -Nru lrcalc-1.2/debian/liblrcalc1.install 
lrcalc-1.2/debian/liblrcalc1.install
--- lrcalc-1.2/debian/liblrcalc1.install        2016-08-01 16:13:24.000000000 
+0000
+++ lrcalc-1.2/debian/liblrcalc1.install        1970-01-01 00:00:00.000000000 
+0000
@@ -1 +0,0 @@
-/usr/lib/*/*.so.*
diff -Nru lrcalc-1.2/debian/liblrcalc1t64.install 
lrcalc-1.2/debian/liblrcalc1t64.install
--- lrcalc-1.2/debian/liblrcalc1t64.install     1970-01-01 00:00:00.000000000 
+0000
+++ lrcalc-1.2/debian/liblrcalc1t64.install     2016-08-01 16:13:24.000000000 
+0000
@@ -0,0 +1 @@
+/usr/lib/*/*.so.*
diff -Nru lrcalc-1.2/debian/liblrcalc1t64.lintian-overrides 
lrcalc-1.2/debian/liblrcalc1t64.lintian-overrides
--- lrcalc-1.2/debian/liblrcalc1t64.lintian-overrides   1970-01-01 
00:00:00.000000000 +0000
+++ lrcalc-1.2/debian/liblrcalc1t64.lintian-overrides   2024-02-02 
16:13:45.000000000 +0000
@@ -0,0 +1 @@
+liblrcalc1t64: package-name-doesnt-match-sonames liblrcalc1

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