Source: m4api
Version: 0.3~0.9646fd-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
m4api 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 m4api
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 m4api-0.3~0.9646fd/debian/changelog 
m4api-0.3~0.9646fd/debian/changelog
--- m4api-0.3~0.9646fd/debian/changelog 2020-09-28 02:58:56.000000000 +0000
+++ m4api-0.3~0.9646fd/debian/changelog 2024-02-02 16:52:41.000000000 +0000
@@ -1,3 +1,10 @@
+m4api (0.3~0.9646fd-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 16:52:41 +0000
+
 m4api (0.3~0.9646fd-2) unstable; urgency=medium
 
   * Switch to debhelper compat level 14, which passes options to cmake to
diff -Nru m4api-0.3~0.9646fd/debian/control m4api-0.3~0.9646fd/debian/control
--- m4api-0.3~0.9646fd/debian/control   2020-09-28 02:56:50.000000000 +0000
+++ m4api-0.3~0.9646fd/debian/control   2024-02-02 16:52:41.000000000 +0000
@@ -15,14 +15,17 @@
 Package: m4api
 Architecture: any
 Multi-Arch: foreign
-Depends: ${misc:Depends}, ${shlibs:Depends}, libm4api0.3
+Depends: ${misc:Depends}, ${shlibs:Depends}, libm4api0.3t64
 Description: access Mini-Box M4-ATX power supplies (utility)
  The m4api is a tool for monitoring and configuring Mini-Box M4-ATX
  power supplies.
  .
  This package provides the m4ctl utility.
 
-Package: libm4api0.3
+Package: libm4api0.3t64
+Provides: ${t64:Provides}
+Replaces: libm4api0.3
+Breaks: libm4api0.3 (<< ${source:Version})
 Architecture: any
 Multi-Arch: allowed
 Section: libs
diff -Nru m4api-0.3~0.9646fd/debian/libm4api0.3.install 
m4api-0.3~0.9646fd/debian/libm4api0.3.install
--- m4api-0.3~0.9646fd/debian/libm4api0.3.install       2020-04-14 
02:43:43.000000000 +0000
+++ m4api-0.3~0.9646fd/debian/libm4api0.3.install       1970-01-01 
00:00:00.000000000 +0000
@@ -1,6 +0,0 @@
-#!/bin/sh
-
-cat << EOF
-/usr/include/* /usr/include/${DEB_HOST_MULTIARCH}/
-/usr/lib/* /usr/lib/${DEB_HOST_MULTIARCH}/
-EOF
diff -Nru m4api-0.3~0.9646fd/debian/libm4api0.3.lintian-overrides 
m4api-0.3~0.9646fd/debian/libm4api0.3.lintian-overrides
--- m4api-0.3~0.9646fd/debian/libm4api0.3.lintian-overrides     2020-08-30 
03:28:09.000000000 +0000
+++ m4api-0.3~0.9646fd/debian/libm4api0.3.lintian-overrides     1970-01-01 
00:00:00.000000000 +0000
@@ -1,2 +0,0 @@
-# This is a small library
-libm4api0.3: link-to-shared-library-in-wrong-package usr/lib/*/libm4api.so.* 
usr/lib/*/libm4api.so
diff -Nru m4api-0.3~0.9646fd/debian/libm4api0.3t64.install 
m4api-0.3~0.9646fd/debian/libm4api0.3t64.install
--- m4api-0.3~0.9646fd/debian/libm4api0.3t64.install    1970-01-01 
00:00:00.000000000 +0000
+++ m4api-0.3~0.9646fd/debian/libm4api0.3t64.install    2020-04-14 
02:43:43.000000000 +0000
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+cat << EOF
+/usr/include/* /usr/include/${DEB_HOST_MULTIARCH}/
+/usr/lib/* /usr/lib/${DEB_HOST_MULTIARCH}/
+EOF
diff -Nru m4api-0.3~0.9646fd/debian/libm4api0.3t64.lintian-overrides 
m4api-0.3~0.9646fd/debian/libm4api0.3t64.lintian-overrides
--- m4api-0.3~0.9646fd/debian/libm4api0.3t64.lintian-overrides  1970-01-01 
00:00:00.000000000 +0000
+++ m4api-0.3~0.9646fd/debian/libm4api0.3t64.lintian-overrides  2024-02-02 
16:52:41.000000000 +0000
@@ -0,0 +1,3 @@
+# This is a small library
+libm4api0.3t64: link-to-shared-library-in-wrong-package 
usr/lib/*/libm4api.so.* usr/lib/*/libm4api.so
+libm4api0.3t64: package-name-doesnt-match-sonames libm4api0.3

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