Source: eegdev
Version: 0.2-8
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
eegdev 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 eegdev
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 eegdev-0.2/debian/changelog eegdev-0.2/debian/changelog
--- eegdev-0.2/debian/changelog 2023-12-02 10:36:35.000000000 +0000
+++ eegdev-0.2/debian/changelog 2024-02-01 18:29:19.000000000 +0000
@@ -1,3 +1,10 @@
+eegdev (0.2-8.1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Michael Hudson-Doyle <mwhud...@debian.org>  Thu, 01 Feb 2024 18:29:19 +0000
+
 eegdev (0.2-8) unstable; urgency=medium
 
   * Migrate eegdev from experimental to unstable, since dumat didn't croak on
diff -Nru eegdev-0.2/debian/control eegdev-0.2/debian/control
--- eegdev-0.2/debian/control   2023-11-24 13:55:28.000000000 +0000
+++ eegdev-0.2/debian/control   2024-02-01 18:29:19.000000000 +0000
@@ -18,7 +18,10 @@
 Homepage: https://sourceforge.net/projects/eegdev/
 Rules-Requires-Root: no
 
-Package: libeegdev0
+Package: libeegdev0t64
+Provides: ${t64:Provides}
+Replaces: libeegdev0
+Breaks: libeegdev0 (<< ${source:Version})
 Architecture: any
 Multi-Arch: same
 Depends: ${shlibs:Depends},
@@ -46,7 +49,7 @@
 Package: eegdev-plugins-free
 Architecture: any
 Multi-Arch: same
-Depends: libeegdev0 (= ${binary:Version}),
+Depends: libeegdev0t64 (= ${binary:Version}),
          ${shlibs:Depends},
          ${misc:Depends}
 Pre-Depends: ${misc:Pre-Depends}
@@ -73,7 +76,7 @@
 Architecture: any
 Multi-Arch: same
 Section: libdevel
-Depends: libeegdev0 (= ${binary:Version}),
+Depends: libeegdev0t64 (= ${binary:Version}),
          ${misc:Depends}
 Description: Biosignal acquisition device library (Development files)
  eegdev is a library that provides a unified interface for accessing various
diff -Nru eegdev-0.2/debian/libeegdev0.install 
eegdev-0.2/debian/libeegdev0.install
--- eegdev-0.2/debian/libeegdev0.install        2023-07-12 20:34:01.000000000 
+0000
+++ eegdev-0.2/debian/libeegdev0.install        1970-01-01 00:00:00.000000000 
+0000
@@ -1 +0,0 @@
-usr/lib/*/libeegdev.so.*
diff -Nru eegdev-0.2/debian/libeegdev0.manpages 
eegdev-0.2/debian/libeegdev0.manpages
--- eegdev-0.2/debian/libeegdev0.manpages       2023-07-12 20:34:01.000000000 
+0000
+++ eegdev-0.2/debian/libeegdev0.manpages       1970-01-01 00:00:00.000000000 
+0000
@@ -1 +0,0 @@
-usr/share/man/man5/eegdev-open-options.5
diff -Nru eegdev-0.2/debian/libeegdev0.symbols 
eegdev-0.2/debian/libeegdev0.symbols
--- eegdev-0.2/debian/libeegdev0.symbols        2023-07-12 20:34:01.000000000 
+0000
+++ eegdev-0.2/debian/libeegdev0.symbols        1970-01-01 00:00:00.000000000 
+0000
@@ -1,14 +0,0 @@
-libeegdev.so.0 libeegdev0
- egd_acq_setup@Base 0.0
- egd_channel_info@Base 0.0
- egd_close@Base 0.0
- egd_get_available@Base 0.0
- egd_get_cap@Base 0.0
- egd_get_data@Base 0.0
- egd_get_numch@Base 0.0
- egd_get_string@Base 0.0
- egd_open@Base 0.0
- egd_sensor_name@Base 0.0
- egd_sensor_type@Base 0.0
- egd_start@Base 0.0
- egd_stop@Base 0.0
diff -Nru eegdev-0.2/debian/libeegdev0t64.install 
eegdev-0.2/debian/libeegdev0t64.install
--- eegdev-0.2/debian/libeegdev0t64.install     1970-01-01 00:00:00.000000000 
+0000
+++ eegdev-0.2/debian/libeegdev0t64.install     2023-07-12 20:34:01.000000000 
+0000
@@ -0,0 +1 @@
+usr/lib/*/libeegdev.so.*
diff -Nru eegdev-0.2/debian/libeegdev0t64.lintian-overrides 
eegdev-0.2/debian/libeegdev0t64.lintian-overrides
--- eegdev-0.2/debian/libeegdev0t64.lintian-overrides   1970-01-01 
00:00:00.000000000 +0000
+++ eegdev-0.2/debian/libeegdev0t64.lintian-overrides   2024-02-01 
18:29:19.000000000 +0000
@@ -0,0 +1 @@
+libeegdev0t64: package-name-doesnt-match-sonames libeegdev0
diff -Nru eegdev-0.2/debian/libeegdev0t64.manpages 
eegdev-0.2/debian/libeegdev0t64.manpages
--- eegdev-0.2/debian/libeegdev0t64.manpages    1970-01-01 00:00:00.000000000 
+0000
+++ eegdev-0.2/debian/libeegdev0t64.manpages    2023-07-12 20:34:01.000000000 
+0000
@@ -0,0 +1 @@
+usr/share/man/man5/eegdev-open-options.5
diff -Nru eegdev-0.2/debian/libeegdev0t64.symbols 
eegdev-0.2/debian/libeegdev0t64.symbols
--- eegdev-0.2/debian/libeegdev0t64.symbols     1970-01-01 00:00:00.000000000 
+0000
+++ eegdev-0.2/debian/libeegdev0t64.symbols     2024-02-01 18:29:19.000000000 
+0000
@@ -0,0 +1,14 @@
+libeegdev.so.0 libeegdev0t64
+ egd_acq_setup@Base 0.0
+ egd_channel_info@Base 0.0
+ egd_close@Base 0.0
+ egd_get_available@Base 0.0
+ egd_get_cap@Base 0.0
+ egd_get_data@Base 0.0
+ egd_get_numch@Base 0.0
+ egd_get_string@Base 0.0
+ egd_open@Base 0.0
+ egd_sensor_name@Base 0.0
+ egd_sensor_type@Base 0.0
+ egd_start@Base 0.0
+ egd_stop@Base 0.0

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