Source: lib3mf
Version: 1.8.1+ds-4
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
lib3mf 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 lib3mf
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 lib3mf-1.8.1+ds/debian/changelog lib3mf-1.8.1+ds/debian/changelog
--- lib3mf-1.8.1+ds/debian/changelog    2021-04-01 19:25:54.000000000 +0000
+++ lib3mf-1.8.1+ds/debian/changelog    2024-02-01 02:24:49.000000000 +0000
@@ -1,3 +1,10 @@
+lib3mf (1.8.1+ds-4.1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Steve Langasek <vor...@debian.org>  Thu, 01 Feb 2024 02:24:49 +0000
+
 lib3mf (1.8.1+ds-4) unstable; urgency=medium
 
   * Fix use-after-free (CVE-2021-21772), backporting fix from v2.1.1
diff -Nru lib3mf-1.8.1+ds/debian/control lib3mf-1.8.1+ds/debian/control
--- lib3mf-1.8.1+ds/debian/control      2021-04-01 19:25:54.000000000 +0000
+++ lib3mf-1.8.1+ds/debian/control      2024-02-01 02:24:49.000000000 +0000
@@ -7,7 +7,10 @@
 Standards-Version: 4.3.0
 Homepage: https://github.com/3MFConsortium/lib3mf
 
-Package: lib3mf1
+Package: lib3mf1t64
+Provides: ${t64:Provides}
+Replaces: lib3mf1
+Breaks: lib3mf1 (<< ${source:Version})
 Architecture: any
 Multi-Arch: same
 Pre-Depends: ${misc:Pre-Depends}
@@ -51,7 +54,7 @@
 Section: libdevel
 Architecture: any
 Multi-Arch: same
-Depends: lib3mf1 (= ${binary:Version}), ${misc:Depends}
+Depends: lib3mf1t64 (= ${binary:Version}), ${misc:Depends}
 Description: Lib3MF is a C++ implementation of the 3D Manufacturing Format 
(development)
  As 3MF shall become an universal 3D Printing standard,
  its quick adoption is very important. This library shall
diff -Nru lib3mf-1.8.1+ds/debian/lib3mf1.dirs 
lib3mf-1.8.1+ds/debian/lib3mf1.dirs
--- lib3mf-1.8.1+ds/debian/lib3mf1.dirs 2021-03-30 20:58:25.000000000 +0000
+++ lib3mf-1.8.1+ds/debian/lib3mf1.dirs 1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-usr/lib
diff -Nru lib3mf-1.8.1+ds/debian/lib3mf1.docs 
lib3mf-1.8.1+ds/debian/lib3mf1.docs
--- lib3mf-1.8.1+ds/debian/lib3mf1.docs 2021-03-30 20:58:25.000000000 +0000
+++ lib3mf-1.8.1+ds/debian/lib3mf1.docs 1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-debian/docs/NEWS
diff -Nru lib3mf-1.8.1+ds/debian/lib3mf1.install 
lib3mf-1.8.1+ds/debian/lib3mf1.install
--- lib3mf-1.8.1+ds/debian/lib3mf1.install      2021-03-30 20:58:25.000000000 
+0000
+++ lib3mf-1.8.1+ds/debian/lib3mf1.install      1970-01-01 00:00:00.000000000 
+0000
@@ -1 +0,0 @@
-/usr/lib/*/lib*.so.*
diff -Nru lib3mf-1.8.1+ds/debian/lib3mf1t64.dirs 
lib3mf-1.8.1+ds/debian/lib3mf1t64.dirs
--- lib3mf-1.8.1+ds/debian/lib3mf1t64.dirs      1970-01-01 00:00:00.000000000 
+0000
+++ lib3mf-1.8.1+ds/debian/lib3mf1t64.dirs      2021-03-30 20:58:25.000000000 
+0000
@@ -0,0 +1 @@
+usr/lib
diff -Nru lib3mf-1.8.1+ds/debian/lib3mf1t64.docs 
lib3mf-1.8.1+ds/debian/lib3mf1t64.docs
--- lib3mf-1.8.1+ds/debian/lib3mf1t64.docs      1970-01-01 00:00:00.000000000 
+0000
+++ lib3mf-1.8.1+ds/debian/lib3mf1t64.docs      2021-03-30 20:58:25.000000000 
+0000
@@ -0,0 +1 @@
+debian/docs/NEWS
diff -Nru lib3mf-1.8.1+ds/debian/lib3mf1t64.install 
lib3mf-1.8.1+ds/debian/lib3mf1t64.install
--- lib3mf-1.8.1+ds/debian/lib3mf1t64.install   1970-01-01 00:00:00.000000000 
+0000
+++ lib3mf-1.8.1+ds/debian/lib3mf1t64.install   2021-03-30 20:58:25.000000000 
+0000
@@ -0,0 +1 @@
+/usr/lib/*/lib*.so.*
diff -Nru lib3mf-1.8.1+ds/debian/lib3mf1t64.lintian-overrides 
lib3mf-1.8.1+ds/debian/lib3mf1t64.lintian-overrides
--- lib3mf-1.8.1+ds/debian/lib3mf1t64.lintian-overrides 1970-01-01 
00:00:00.000000000 +0000
+++ lib3mf-1.8.1+ds/debian/lib3mf1t64.lintian-overrides 2024-02-01 
02:24:49.000000000 +0000
@@ -0,0 +1 @@
+lib3mf1t64: package-name-doesnt-match-sonames lib3mf1

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