Source: pigpio
Version: 1.78-1
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
pigpio 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 pigpio
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')
Architecture: amd64 (x86_64)

Kernel: Linux 6.2.0-39-generic (SMP w/32 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, 
TAINT_UNSIGNED_MODULE
Locale: LANG=C.UTF-8, 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 pigpio-1.78/debian/changelog pigpio-1.78/debian/changelog
--- pigpio-1.78/debian/changelog        2021-01-28 16:08:40.000000000 -0300
+++ pigpio-1.78/debian/changelog        2024-02-05 18:43:46.000000000 -0300
@@ -1,3 +1,10 @@
+pigpio (1.78-1.1) experimental; urgency=medium
+
+  * Non-maintainer upload.
+  * Rename libraries for 64-bit time_t transition.
+
+ -- Lucas Kanashiro <kanash...@debian.org>  Mon, 05 Feb 2024 18:43:46 -0300
+
 pigpio (1.78-1) unstable; urgency=medium
 
   * New upstream release.
diff -Nru pigpio-1.78/debian/control pigpio-1.78/debian/control
--- pigpio-1.78/debian/control  2021-01-28 16:08:40.000000000 -0300
+++ pigpio-1.78/debian/control  2024-02-05 18:43:46.000000000 -0300
@@ -7,7 +7,10 @@
 Standards-Version: 4.2.0
 Homepage: http://abyz.co.uk/rpi/pigpio/
 
-Package: libpigpiod-if2-1
+Package: libpigpiod-if2-1t64
+Provides: ${t64:Provides}
+Replaces: libpigpiod-if2-1
+Breaks: libpigpiod-if2-1 (<< ${source:Version})
 Architecture: any
 Section: libs
 Depends: ${shlibs:Depends}, ${misc:Depends}
@@ -19,7 +22,10 @@
  .
  This package provides the libpigpiod_if2 client library
 
-Package: libpigpiod-if1
+Package: libpigpiod-if1t64
+Provides: ${t64:Provides}
+Replaces: libpigpiod-if1
+Breaks: libpigpiod-if1 (<< ${source:Version})
 Architecture: any
 Section: libs
 Depends: ${shlibs:Depends}, ${misc:Depends}
@@ -34,7 +40,7 @@
 Package: libpigpiod-if-dev
 Architecture: any
 Section: libdevel
-Depends: ${shlibs:Depends}, ${misc:Depends}, libpigpiod-if1 (= 
${binary:Version}), libpigpiod-if2-1 (= ${binary:Version})
+Depends: ${shlibs:Depends}, ${misc:Depends}, libpigpiod-if1t64 (= 
${binary:Version}), libpigpiod-if2-1t64 (= ${binary:Version})
 Conflicts: pigpio (<< 1.68-1)
 Description: Development headers for client libraries for Raspberry Pi GPIO 
control
  Pigpio is a set of software which allows control of the General Purpose Input
diff -Nru pigpio-1.78/debian/libpigpiod-if1.install 
pigpio-1.78/debian/libpigpiod-if1.install
--- pigpio-1.78/debian/libpigpiod-if1.install   2021-01-28 16:08:40.000000000 
-0300
+++ pigpio-1.78/debian/libpigpiod-if1.install   1969-12-31 21:00:00.000000000 
-0300
@@ -1 +0,0 @@
-debian/tmp/usr/lib/libpigpiod_if.so.1
diff -Nru pigpio-1.78/debian/libpigpiod-if1t64.install 
pigpio-1.78/debian/libpigpiod-if1t64.install
--- pigpio-1.78/debian/libpigpiod-if1t64.install        1969-12-31 
21:00:00.000000000 -0300
+++ pigpio-1.78/debian/libpigpiod-if1t64.install        2021-01-28 
16:08:40.000000000 -0300
@@ -0,0 +1 @@
+debian/tmp/usr/lib/libpigpiod_if.so.1
diff -Nru pigpio-1.78/debian/libpigpiod-if1t64.lintian-overrides 
pigpio-1.78/debian/libpigpiod-if1t64.lintian-overrides
--- pigpio-1.78/debian/libpigpiod-if1t64.lintian-overrides      1969-12-31 
21:00:00.000000000 -0300
+++ pigpio-1.78/debian/libpigpiod-if1t64.lintian-overrides      2024-02-05 
18:43:46.000000000 -0300
@@ -0,0 +1 @@
+libpigpiod-if1t64: package-name-doesnt-match-sonames libpigpiod-if1
diff -Nru pigpio-1.78/debian/libpigpiod-if2-1.install 
pigpio-1.78/debian/libpigpiod-if2-1.install
--- pigpio-1.78/debian/libpigpiod-if2-1.install 2021-01-28 16:08:40.000000000 
-0300
+++ pigpio-1.78/debian/libpigpiod-if2-1.install 1969-12-31 21:00:00.000000000 
-0300
@@ -1 +0,0 @@
-debian/tmp/usr/lib/libpigpiod_if2.so.1
diff -Nru pigpio-1.78/debian/libpigpiod-if2-1t64.install 
pigpio-1.78/debian/libpigpiod-if2-1t64.install
--- pigpio-1.78/debian/libpigpiod-if2-1t64.install      1969-12-31 
21:00:00.000000000 -0300
+++ pigpio-1.78/debian/libpigpiod-if2-1t64.install      2021-01-28 
16:08:40.000000000 -0300
@@ -0,0 +1 @@
+debian/tmp/usr/lib/libpigpiod_if2.so.1
diff -Nru pigpio-1.78/debian/libpigpiod-if2-1t64.lintian-overrides 
pigpio-1.78/debian/libpigpiod-if2-1t64.lintian-overrides
--- pigpio-1.78/debian/libpigpiod-if2-1t64.lintian-overrides    1969-12-31 
21:00:00.000000000 -0300
+++ pigpio-1.78/debian/libpigpiod-if2-1t64.lintian-overrides    2024-02-05 
18:43:46.000000000 -0300
@@ -0,0 +1 @@
+libpigpiod-if2-1t64: package-name-doesnt-match-sonames libpigpiod-if2-1

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