Source: macromoleculebuilder
Version: 4.0.0+dfsg-3
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
macromoleculebuilder 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 
macromoleculebuilder
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 macromoleculebuilder-4.0.0+dfsg/debian/changelog 
macromoleculebuilder-4.0.0+dfsg/debian/changelog
--- macromoleculebuilder-4.0.0+dfsg/debian/changelog    2023-06-23 
05:37:57.000000000 +0000
+++ macromoleculebuilder-4.0.0+dfsg/debian/changelog    2024-02-02 
16:53:45.000000000 +0000
@@ -1,3 +1,10 @@
+macromoleculebuilder (4.0.0+dfsg-3.1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Graham Inggs <gin...@debian.org>  Fri, 02 Feb 2024 16:53:45 +0000
+
 macromoleculebuilder (4.0.0+dfsg-3) unstable; urgency=medium
 
   * Fix gemmi 0.6.2 support (Closes: #1037463)
diff -Nru macromoleculebuilder-4.0.0+dfsg/debian/control 
macromoleculebuilder-4.0.0+dfsg/debian/control
--- macromoleculebuilder-4.0.0+dfsg/debian/control      2023-06-23 
05:37:57.000000000 +0000
+++ macromoleculebuilder-4.0.0+dfsg/debian/control      2024-02-02 
16:53:45.000000000 +0000
@@ -29,7 +29,7 @@
 Architecture: any
 Multi-Arch: same
 Depends:
- libmmb4.0 (= ${binary:Version}),
+ libmmb4.0t64 (= ${binary:Version}),
  ${misc:Depends},
 Breaks:
  libmmblib-dev (<< 4.0.0),
@@ -43,7 +43,10 @@
  .
  This package contains the development files.
 
-Package: libmmb4.0
+Package: libmmb4.0t64
+Provides: ${t64:Provides}
+Replaces: libmmb4.0
+Breaks: libmmb4.0 (<< ${source:Version})
 Section: libs
 Architecture: any
 Multi-Arch: same
diff -Nru macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0.install 
macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0.install
--- macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0.install    2023-06-23 
05:37:57.000000000 +0000
+++ macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0.install    1970-01-01 
00:00:00.000000000 +0000
@@ -1 +0,0 @@
-usr/lib/*/libMMB.so.*
diff -Nru macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0t64.install 
macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0t64.install
--- macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0t64.install 1970-01-01 
00:00:00.000000000 +0000
+++ macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0t64.install 2023-06-23 
05:37:57.000000000 +0000
@@ -0,0 +1 @@
+usr/lib/*/libMMB.so.*
diff -Nru macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0t64.lintian-overrides 
macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0t64.lintian-overrides
--- macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0t64.lintian-overrides       
1970-01-01 00:00:00.000000000 +0000
+++ macromoleculebuilder-4.0.0+dfsg/debian/libmmb4.0t64.lintian-overrides       
2024-02-02 16:53:45.000000000 +0000
@@ -0,0 +1 @@
+libmmb4.0t64: package-name-doesnt-match-sonames libmmb4.0

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