Hi,

weakforced fails to build in a test rebuild on at least amd64 and arm64 with
gcc-16/g++-16, but builds properly with gcc-15/g++-15. The severity of this
report will be raised before the forky release.

The full build log can be found at:
https://people.debian.org/~ema/gcc-16-rebuilds/output-1/weakforced_arm64.build.xz

The last lines of the build log are at the end of this report.

To build with GCC 16, either set CC=gcc-16 CXX=g++-16 explicitly,
or install the gcc, g++, gfortran, ... packages from experimental.

  apt-get -t=experimental install g++

Common build failures include unused (but set) variables, array subscripts
partly outside array bounds, and new/dropped symbols in Debian symbols files.
For other C/C++ related build failures see the porting guide at
http://gcc.gnu.org/gcc-16/porting_to.html

Please only close this issue after double-checking that the package can be
built correctly with GCC 16.

Please do not reassign this bug to another package. If a fix in another package
is required, then file a bug for the other package (or clone), and mark this
bug as blocked by the bug in the other package.

[...]


/usr/include/c++/16/bits/cpp_type_traits.h:279:1: error: redefinition of 'struct std::__is_integer<__int128 unsigned>'
  279 | __INT_N(__int128)
      | ^~~~~~~
/usr/include/c++/16/bits/cpp_type_traits.h:264:1: note: previous definition of 'struct std::__is_integer<__int128 unsigned>'
  264 | __INT_N(__GLIBCXX_TYPE_INT_N_0)
      | ^~~~~~~
In file included from /usr/include/c++/16/string:55:
/usr/include/c++/16/bits/stl_algobase.h:1056:3: error: redefinition of 'constexpr __int128 std::__size_to_integer(__int128)'
 1056 |   __size_to_integer(__int128 __n) { return __n; }
      |   ^~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/stl_algobase.h:1031:3: note: 'constexpr __int128 std::__size_to_integer(__int128)' previously defined here
 1031 |   __size_to_integer(__GLIBCXX_TYPE_INT_N_0 __n) { return __n; }
      |   ^~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/stl_algobase.h:1058:3: error: redefinition of 'constexpr __int128 unsigned std::__size_to_integer(__int128 unsigned)'
 1058 |   __size_to_integer(unsigned __int128 __n) { return __n; }
      |   ^~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/stl_algobase.h:1033:3: note: 'constexpr __int128 unsigned std::__size_to_integer(__int128 unsigned)' previously defined here
 1033 |   __size_to_integer(unsigned __GLIBCXX_TYPE_INT_N_0 __n) { return __n; }
      |   ^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/16/string_view:56,
                 from /usr/include/c++/16/bits/basic_string.h:51,
                 from /usr/include/c++/16/string:58:
/usr/include/c++/16/bits/functional_hash.h:206:3: error: redefinition of 'struct std::hash<__int128>'
  206 |   _Cxx_hashtable_define_trivial_hash(__int128)
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/functional_hash.h:179:3: note: previous definition of 'struct std::hash<__int128>'
  179 |   _Cxx_hashtable_define_trivial_hash(__GLIBCXX_TYPE_INT_N_0)
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/functional_hash.h:208:3: error: redefinition of 'struct std::hash<__int128 unsigned>'
  208 |   _Cxx_hashtable_define_trivial_hash(__int128 unsigned)
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/16/bits/functional_hash.h:181:3: note: previous definition of 'struct std::hash<__int128 unsigned>'
  181 |   _Cxx_hashtable_define_trivial_hash(__GLIBCXX_TYPE_INT_N_0 unsigned)
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/16/cstdlib:87,
                 from /usr/include/c++/16/ext/string_conversions.h:45,
                 from /usr/include/c++/16/bits/basic_string.h:4499:
/usr/include/c++/16/bits/std_abs.h:110:3: error: redefinition of 'constexpr __int128 std::abs(__int128)'
  110 |   abs(__int128 __x) { return __x >= 0 ? __x : -__x; }
      |   ^~~
/usr/include/c++/16/bits/std_abs.h:91:3: note: 'constexpr __int128 std::abs(__int128)' previously defined here
   91 |   abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; }
      |   ^~~
In file included from /usr/include/c++/16/bits/specfun.h:45,
                 from /usr/include/c++/16/cmath:3913,
                 from json11.cpp:24:
/usr/include/c++/16/limits:1664:3: error: redefinition of 'struct std::numeric_limits<__int128>'
 1664 |   __INT_N(__int128, 128,
      |   ^~~~~~~
/usr/include/c++/16/limits:1643:3: note: previous definition of 'struct std::numeric_limits<__int128>'
 1643 |   __INT_N(__GLIBCXX_TYPE_INT_N_0, __GLIBCXX_BITSIZE_INT_N_0,
      |   ^~~~~~~
/usr/include/c++/16/limits:1664:3: error: redefinition of 'struct std::numeric_limits<__int128 unsigned>'
 1664 |   __INT_N(__int128, 128,
      |   ^~~~~~~
/usr/include/c++/16/limits:1643:3: note: previous definition of 'struct std::numeric_limits<__int128 unsigned>'
 1643 |   __INT_N(__GLIBCXX_TYPE_INT_N_0, __GLIBCXX_BITSIZE_INT_N_0,
      |   ^~~~~~~
make[5]: *** [Makefile:530: libjson11_la-json11.lo] Error 1
make[5]: Leaving directory '/build/reproducible-path/weakforced-3.0.0/ext/json11'
make[4]: *** [Makefile:470: all-recursive] Error 1
make[4]: Leaving directory '/build/reproducible-path/weakforced-3.0.0/ext'
make[3]: *** [Makefile:525: all-recursive] Error 1
make[3]: Leaving directory '/build/reproducible-path/weakforced-3.0.0'
make[2]: *** [Makefile:457: all] Error 2
make[2]: Leaving directory '/build/reproducible-path/weakforced-3.0.0'
dh_auto_build: error: make -j128 returned exit code 2
make[1]: *** [debian/rules:31: override_dh_auto_build] Error 25
make[1]: Leaving directory '/build/reproducible-path/weakforced-3.0.0'
make: *** [debian/rules:19: binary] Error 2
dpkg-buildpackage: error: debian/rules binary subprocess failed with exit status 2

We believe that the bug you reported is fixed in the latest version of
weakforced, 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 1133664@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Pierre-Elliott Bécue <peb@debian.org> (supplier of updated weakforced 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, 31 Aug 2026 01:10:28 +0200
Source: weakforced
Binary: weakforced weakforced-common weakforced-dbgsym weakforced-replfwd weakforced-replfwd-dbgsym weakforced-trackalert weakforced-trackalert-dbgsym
Architecture: source amd64
Version: 3.2.0-1
Distribution: unstable
Urgency: medium
Maintainer: Pierre-Elliott Bécue <peb@debian.org>
Changed-By: Pierre-Elliott Bécue <peb@debian.org>
Description:
 weakforced - Daemon for detecting brute force attacks
 weakforced-common - Common files for all weakforced packages
 weakforced-replfwd - Replication forwarder for weakforced clusters
 weakforced-trackalert - Longterm abuse data reporting and alerter
Closes: 1133664
Changes:
 weakforced (3.2.0-1) unstable; urgency=medium
 .
   * New upstream release 3.2.0
     (Closes: #1133664)
   * d/watch: Add a Version-Type to ensure betas are not uscaned
   * d/control:
     - Add weakforced-replfwd to serve the replication daemon added upstream
     - Drop python3 recommend for weakforced
     - Bump Standards-Version to 4.7.4
   * d/weakforced-replfwd*: Added
   * d/p/0004: Tweak the replfwd.conf file to support the postinst
   * d/weakforced-common helper scripts: drop useless prerm, and fixup postinst
     and postrm
     - Deleting the users might mess uids in future and leave files with no
       owner
     - Adding postinst missing commands
   * d/weakforced{,-trackalert}*: revamp to make things better
     - First, placing the config in /usr/share/doc/xxx is inappropriate
     - Second, postinst used ucf in a bad way (after adding creds, which
       creates a bad template)
     - Third, add the missing options for postinst and use command in postrm
   * d/copyright: refreshed
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Files:
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