https://buildd.debian.org/status/logs.php?pkg=syncevolution&ver=2.0.0-3.2

...
src/gtk3-ui/sync-ui.c: In function ‘add_backup’:
src/gtk3-ui/sync-ui.c:1622:22: error: passing argument 1 of ‘localtime’ from incompatible pointer type [-Wincompatible-pointer-types]
 1622 |     tim = localtime (&endtime);
      |                      ^~~~~~~~
      |                      |
      |                      long int *
In file included from /usr/include/features.h:523,
                 from /usr/include/arm-linux-gnueabihf/bits/libc-header-start.h:33,
                 from /usr/include/stdlib.h:26,
                 from src/gtk3-ui/sync-ui.c:21:
/usr/include/time.h:141:19: note: expected ‘const time_t *’ {aka ‘const long long int *’} but argument is of type ‘long int *’
  141 | extern struct tm *__REDIRECT_NTH (localtime, (const time_t *__timer),
      |                   ^~~~~~~~~~~~~~
make[3]: *** [Makefile:7582: src/gtk3-ui/src_gtk3_ui_sync_ui-sync-ui.o] Error 1

Thank you for reporting this bug.

I filed a removal bug for those architectures: https://bugs.debian.org/1111668

Once that's processed, we can downgrade this bug to important.

Thank you,
Jeremy BÍcha

Control: tags -1 patch

Please add the attached fix instead.
Adrian

BTW:
The copy of the email you sent me personally was encrypted
(not just signed).

I am uploading a NMU with the attached changes to fix this.

We believe that the bug you reported is fixed in the latest version of
syncevolution, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1111348@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Bastian Germann <bage@debian.org> (supplier of updated syncevolution package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Mon, 25 Aug 2025 13:04:45 +0200
Source: syncevolution
Architecture: source
Version: 2.0.0-3.3
Distribution: unstable
Urgency: medium
Maintainer: Jonas Smedegaard <dr@jones.dk>
Changed-By: Bastian Germann <bage@debian.org>
Closes: 1111348
Changes:
 syncevolution (2.0.0-3.3) unstable; urgency=medium
 .
   * Non-maintainer upload
   * Fix FTBFS on 32-bit with 64-bit time_t (Closes: #1111348)
Checksums-Sha1:
 9f279b392d8b8e380e987ceee0bd8f89ab5595ea 2680 syncevolution_2.0.0-3.3.dsc
 fa2cb9177336a546effa8a01c639851c223b4599 19664 syncevolution_2.0.0-3.3.debian.tar.xz
 3d99793d66cc215742ccbc39138479ab45761997 18767 syncevolution_2.0.0-3.3_source.buildinfo
Checksums-Sha256:
 7d932f8136808cc765dc5ce3e563bef170782ddcad682af2a637ee6863a7798d 2680 syncevolution_2.0.0-3.3.dsc
 e013cf8655bd915b829d0c143a4a76e9b49830957a332c1ce2c736d0793dab41 19664 syncevolution_2.0.0-3.3.debian.tar.xz
 cbfc3821f30d0c4d1c8dea55c48d009345802754cba23c17360d1e12f69f450f 18767 syncevolution_2.0.0-3.3_source.buildinfo
Files:
 9966e3dd51093042e6029c02790ce5c2 2680 utils optional syncevolution_2.0.0-3.3.dsc
 11531197be26b13466088cd9de83b0c5 19664 utils optional syncevolution_2.0.0-3.3.debian.tar.xz
 8560423b33a58369fb0cfb372288ca17 18767 utils optional syncevolution_2.0.0-3.3_source.buildinfo
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