Source: dolfin
Version: 2019.2.0~legacy20240118.982f376-1
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
dolfin 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 dolfin
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/16 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
diff -Nru dolfin-2019.2.0~legacy20240118.982f376/debian/changelog 
dolfin-2019.2.0~legacy20240118.982f376/debian/changelog
--- dolfin-2019.2.0~legacy20240118.982f376/debian/changelog     2024-01-19 
18:21:04.000000000 +0000
+++ dolfin-2019.2.0~legacy20240118.982f376/debian/changelog     2024-02-01 
09:14:42.000000000 +0000
@@ -1,3 +1,10 @@
+dolfin (2019.2.0~legacy20240118.982f376-1.1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Michael Hudson-Doyle <mwhud...@debian.org>  Thu, 01 Feb 2024 09:14:42 +0000
+
 dolfin (2019.2.0~legacy20240118.982f376-1) unstable; urgency=medium
 
   * New upstream snapshot on 2024-01-18, up to commit 982f376
diff -Nru dolfin-2019.2.0~legacy20240118.982f376/debian/control 
dolfin-2019.2.0~legacy20240118.982f376/debian/control
--- dolfin-2019.2.0~legacy20240118.982f376/debian/control       2024-01-19 
18:21:04.000000000 +0000
+++ dolfin-2019.2.0~legacy20240118.982f376/debian/control       2024-02-01 
09:14:27.000000000 +0000
@@ -77,7 +77,7 @@
  libboost-serialization-dev,
  libboost-thread-dev,
  libboost-timer-dev,
- libdolfin2019.2gcc13 (= ${binary:Version}),
+ libdolfin2019.2gcc13t64 (= ${binary:Version}),
  libeigen3-dev,
  libhdf5-mpi-dev,
  libsuitesparse-dev,
@@ -152,7 +152,10 @@
  This is the legacy version of DOLFIN, you may want to install the
  next-generation libdolfinx-dev (DOLFIN-X) instead.
 
-Package: libdolfin2019.2gcc13
+Package: libdolfin2019.2gcc13t64
+Provides: ${t64:Provides}
+Replaces: libdolfin2019.2gcc13
+Breaks: libdolfin2019.2gcc13 (<< ${source:Version})
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -209,7 +212,7 @@
 Architecture: any
 Depends:
  libdolfin-dev (= ${binary:Version}),
- libdolfin2019.2gcc13 (= ${binary:Version}),
+ libdolfin2019.2gcc13t64 (= ${binary:Version}),
  ${python3-petsc4py-real:Depends},
  ${misc:Depends},
  ${python3:Depends},
@@ -248,7 +251,7 @@
  libboost-serialization-dev,
  libboost-thread-dev,
  libboost-timer-dev,
- libdolfin64-2019.2gcc13 (= ${binary:Version}),
+ libdolfin64-2019.2gcc13t64 (= ${binary:Version}),
  libeigen3-dev,
  libhdf5-mpi-dev,
  libsuitesparse-dev,
@@ -273,7 +276,10 @@
  This is the legacy version of DOLFIN, you may want to install the
  next-generation libdolfinx-dev (DOLFIN-X) instead.
 
-Package: libdolfin64-2019.2gcc13
+Package: libdolfin64-2019.2gcc13t64
+Provides: ${t64:Provides}
+Replaces: libdolfin64-2019.2gcc13
+Breaks: libdolfin64-2019.2gcc13 (<< ${source:Version})
 Section: libs
 Architecture: any
 Multi-Arch: same
@@ -296,7 +302,7 @@
 Architecture: any
 Depends:
  libdolfin64-dev (= ${binary:Version}),
- libdolfin64-2019.2gcc13 (= ${binary:Version}),
+ libdolfin64-2019.2gcc13t64 (= ${binary:Version}),
  ${python3-petsc4py-64-real:Depends},
  ${misc:Depends},
  ${python3:Depends},
diff -Nru 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13.install 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13.install
--- dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13.install  
2024-01-19 18:21:04.000000000 +0000
+++ dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13.install  
1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-usr/lib/**/lib*.so.*
diff -Nru 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13t64.install 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13t64.install
--- 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13t64.install   
    1970-01-01 00:00:00.000000000 +0000
+++ 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13t64.install   
    2024-01-19 18:21:04.000000000 +0000
@@ -0,0 +1 @@
+usr/lib/**/lib*.so.*
diff -Nru 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13t64.lintian-overrides
 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13t64.lintian-overrides
--- 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13t64.lintian-overrides
     1970-01-01 00:00:00.000000000 +0000
+++ 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin2019.2gcc13t64.lintian-overrides
     2024-02-01 09:14:27.000000000 +0000
@@ -0,0 +1 @@
+libdolfin2019.2gcc13t64: package-name-doesnt-match-sonames libdolfin2019.2gcc13
diff -Nru 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13.install 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13.install
--- 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13.install   
    2024-01-19 18:21:04.000000000 +0000
+++ 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13.install   
    1970-01-01 00:00:00.000000000 +0000
@@ -1,2 +0,0 @@
-#!/bin/sh
-echo "debian/tmp64/usr/lib/**/libdolfin64*.so.* usr/lib/${DEB_HOST_MULTIARCH}"
diff -Nru 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13t64.install
 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13t64.install
--- 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13t64.install
    1970-01-01 00:00:00.000000000 +0000
+++ 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13t64.install
    2024-01-19 18:21:04.000000000 +0000
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo "debian/tmp64/usr/lib/**/libdolfin64*.so.* usr/lib/${DEB_HOST_MULTIARCH}"
diff -Nru 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13t64.lintian-overrides
 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13t64.lintian-overrides
--- 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13t64.lintian-overrides
  1970-01-01 00:00:00.000000000 +0000
+++ 
dolfin-2019.2.0~legacy20240118.982f376/debian/libdolfin64-2019.2gcc13t64.lintian-overrides
  2024-02-01 09:14:27.000000000 +0000
@@ -0,0 +1 @@
+libdolfin64-2019.2gcc13t64: package-name-doesnt-match-sonames 
libdolfin64-2019.2gcc13
diff -Nru dolfin-2019.2.0~legacy20240118.982f376/debian/rules 
dolfin-2019.2.0~legacy20240118.982f376/debian/rules
--- dolfin-2019.2.0~legacy20240118.982f376/debian/rules 2024-01-19 
18:21:04.000000000 +0000
+++ dolfin-2019.2.0~legacy20240118.982f376/debian/rules 2024-02-01 
09:14:42.000000000 +0000
@@ -379,9 +379,9 @@
 
 # dbgsym-migration was introduced for dolfin 2017.2 (don't update the version 
to a later version)
 override_dh_strip:
-       dh_strip --package=libdolfin$(FENICS_VERSION)gcc13 -Xpython
+       dh_strip --package=libdolfin$(FENICS_VERSION)gcc13t64 -Xpython
        dh_strip --package=python3-dolfin-real -Xpython2
-       dh_strip --package=libdolfin64-$(FENICS_VERSION)gcc13 -Xpython
+       dh_strip --package=libdolfin64-$(FENICS_VERSION)gcc13t64 -Xpython
        dh_strip --package=python3-dolfin64-real
 
 # python module so files are already stripped by setup.py (setuptools)

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