Source: gvars3
Version: 0.0~git20220105194034.62f5a78-4
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
gvars3 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 gvars3
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 gvars3-0.0~git20220105194034.62f5a78/debian/changelog 
gvars3-0.0~git20220105194034.62f5a78/debian/changelog
--- gvars3-0.0~git20220105194034.62f5a78/debian/changelog       2023-05-29 
07:28:58.000000000 +0000
+++ gvars3-0.0~git20220105194034.62f5a78/debian/changelog       2024-01-31 
16:48:36.000000000 +0000
@@ -1,3 +1,10 @@
+gvars3 (0.0~git20220105194034.62f5a78-4.1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Graham Inggs <gin...@debian.org>  Wed, 31 Jan 2024 16:48:36 +0000
+
 gvars3 (0.0~git20220105194034.62f5a78-4) unstable; urgency=medium
 
   * Fix some issues reported by lintian (thanks, Debian Janitor!):
diff -Nru gvars3-0.0~git20220105194034.62f5a78/debian/control 
gvars3-0.0~git20220105194034.62f5a78/debian/control
--- gvars3-0.0~git20220105194034.62f5a78/debian/control 2023-05-29 
07:27:53.000000000 +0000
+++ gvars3-0.0~git20220105194034.62f5a78/debian/control 2024-01-31 
16:48:36.000000000 +0000
@@ -14,18 +14,24 @@
 Section: libdevel
 Architecture: any
 Multi-Arch: same
-Depends: libgvars3-0 (= ${binary:Version}), ${misc:Depends}
+Depends: libgvars3-0t64 (= ${binary:Version}), ${misc:Depends}
 Description: configuration system library - development files
  Lightweight and simple configuration library for C++ programs.
 
-Package: libgvars3-0
+Package: libgvars3-0t64
+Provides: ${t64:Provides}
+Replaces: libgvars3-0
+Breaks: libgvars3-0 (<< ${source:Version})
 Architecture: any
 Multi-Arch: same
-Depends: ${shlibs:Depends}, ${misc:Depends}, libgvars3-headless0
+Depends: ${shlibs:Depends}, ${misc:Depends}, libgvars3-headless0t64
 Description: configuration system library - shared library
  Lightweight and simple configuration library for C++ programs.
 
-Package: libgvars3-headless0
+Package: libgvars3-headless0t64
+Provides: ${t64:Provides}
+Replaces: libgvars3-headless0
+Breaks: libgvars3-headless0 (<< ${source:Version})
 Architecture: any
 Multi-Arch: same
 Depends: ${shlibs:Depends}, ${misc:Depends}
diff -Nru gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0.install 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0.install
--- gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0.install     
2022-08-21 23:42:29.000000000 +0000
+++ gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0.install     
1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-usr/lib/*/lib*3.so.*
diff -Nru gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0t64.install 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0t64.install
--- gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0t64.install  
1970-01-01 00:00:00.000000000 +0000
+++ gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0t64.install  
2022-08-21 23:42:29.000000000 +0000
@@ -0,0 +1 @@
+usr/lib/*/lib*3.so.*
diff -Nru 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0t64.lintian-overrides 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0t64.lintian-overrides
--- 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0t64.lintian-overrides    
    1970-01-01 00:00:00.000000000 +0000
+++ 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-0t64.lintian-overrides    
    2024-01-31 16:48:36.000000000 +0000
@@ -0,0 +1 @@
+libgvars3-0t64: package-name-doesnt-match-sonames libgvars3-0
diff -Nru 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0.install 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0.install
--- gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0.install     
2022-08-21 23:42:29.000000000 +0000
+++ gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0.install     
1970-01-01 00:00:00.000000000 +0000
@@ -1 +0,0 @@
-usr/lib/*/lib*headless*.so.*
diff -Nru 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0t64.install 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0t64.install
--- gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0t64.install  
1970-01-01 00:00:00.000000000 +0000
+++ gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0t64.install  
2022-08-21 23:42:29.000000000 +0000
@@ -0,0 +1 @@
+usr/lib/*/lib*headless*.so.*
diff -Nru 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0t64.lintian-overrides
 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0t64.lintian-overrides
--- 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0t64.lintian-overrides
        1970-01-01 00:00:00.000000000 +0000
+++ 
gvars3-0.0~git20220105194034.62f5a78/debian/libgvars3-headless0t64.lintian-overrides
        2024-01-31 16:48:36.000000000 +0000
@@ -0,0 +1 @@
+libgvars3-headless0t64: package-name-doesnt-match-sonames libgvars3-headless0

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