[This bug is NOT targeted to the upcoming trixie release]

Please keep this issue open in the bug tracker for the package it
was filed for.  If a fix in another package is required, please
file a bug for the other package (or clone), and add a block in this
package. Please keep the issue open until the package can be built in
a follow-up test rebuild.

The package fails to build in a test rebuild on at least amd64 with
gcc-15/g++-15, but succeeds to build with gcc-14/g++-14. The
severity of this report will be raised before the forky release.

The full build log can be found at:
http://qa-logs.debian.net/2025/02/16/amd64exp/varnish_7.6.1-2_unstable_gccexp.log.gz
The last lines of the build log are at the end of this report.

To build with GCC 15, either set CC=gcc-15 CXX=g++-15 explicitly,
or install the gcc, g++, gfortran, ... packages from experimental.

  apt-get -t=experimental install g++

GCC 15 now defaults to the C23/C++23 standards, exposing many FTBFS.
Other Common build failures are new warnings resulting in build failures
with -Werror turned on, or new/dropped symbols in Debian symbols files.
For other C/C++ related build failures see the porting guide at
http://gcc.gnu.org/gcc-15/porting_to.html

[...]
      |                                 ^~~~
vcc_std_if.h:107:37: error: declaration does not declare anything [-Werror]
  107 |         VCL_BOOL                bool;
      |                                     ^
cc1: all warnings being treated as errors
make[4]: *** [Makefile:1305: libvmod_std_la-vmod_std.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
In file included from vmod_std_conversions.c:47:
vcc_std_if.h:78:33: error: two or more data types in declaration specifiers
   78 |         VCL_BOOL                bool;
      |                                 ^~~~
vcc_std_if.h:78:37: error: declaration does not declare anything [-Werror]
   78 |         VCL_BOOL                bool;
      |                                     ^
vcc_std_if.h:107:33: error: two or more data types in declaration specifiers
  107 |         VCL_BOOL                bool;
      |                                 ^~~~
vcc_std_if.h:107:37: error: declaration does not declare anything [-Werror]
  107 |         VCL_BOOL                bool;
      |                                     ^
vmod_std_conversions.c: In function ‘vmod_integer’:
vmod_std_conversions.c:160:28: error: expected identifier before ‘bool’
  160 |                 return (a->bool ? 1 : 0);
      |                            ^~~~
vmod_std_conversions.c: In function ‘vmod_real’:
vmod_std_conversions.c:258:39: error: expected identifier before ‘bool’
  258 |                 return ((VCL_REAL)(a->bool ? 1 : 0));
      |                                       ^~~~
cc1: all warnings being treated as errors
In file included from vmod_std_fileread.c:51:
vcc_std_if.h:78:33: error: two or more data types in declaration specifiers
   78 |         VCL_BOOL                bool;
      |                                 ^~~~
vcc_std_if.h:78:37: error: declaration does not declare anything [-Werror]
   78 |         VCL_BOOL                bool;
      |                                     ^
vcc_std_if.h:107:33: error: two or more data types in declaration specifiers
  107 |         VCL_BOOL                bool;
      |                                 ^~~~
vcc_std_if.h:107:37: error: declaration does not declare anything [-Werror]
  107 |         VCL_BOOL                bool;
      |                                     ^
make[4]: *** [Makefile:1312: libvmod_std_la-vmod_std_conversions.lo] Error 1
cc1: all warnings being treated as errors
make[4]: *** [Makefile:1319: libvmod_std_la-vmod_std_fileread.lo] Error 1
In file included from vmod_std_querysort.c:38:
vcc_std_if.h:78:33: error: two or more data types in declaration specifiers
   78 |         VCL_BOOL                bool;
      |                                 ^~~~
vcc_std_if.h:78:37: error: declaration does not declare anything [-Werror]
   78 |         VCL_BOOL                bool;
      |                                     ^
vcc_std_if.h:107:33: error: two or more data types in declaration specifiers
  107 |         VCL_BOOL                bool;
      |                                 ^~~~
vcc_std_if.h:107:37: error: declaration does not declare anything [-Werror]
  107 |         VCL_BOOL                bool;
      |                                     ^
cc1: all warnings being treated as errors
make[4]: *** [Makefile:1326: libvmod_std_la-vmod_std_querysort.lo] Error 1
make[4]: Leaving directory '/build/reproducible-path/varnish-7.6.1/vmod'
make[3]: *** [Makefile:924: all] Error 2
make[3]: Leaving directory '/build/reproducible-path/varnish-7.6.1/vmod'
make[2]: *** [Makefile:764: all-recursive] Error 1
make[2]: Leaving directory '/build/reproducible-path/varnish-7.6.1'
make[1]: *** [Makefile:649: all] Error 2
make[1]: Leaving directory '/build/reproducible-path/varnish-7.6.1'
dh_auto_build: error: make -j8 returned exit code 2
make: *** [debian/rules:43: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2

We believe that the bug you reported is fixed in the latest version of
varnish, 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 1098056@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Marco d'Itri <md@linux.it> (supplier of updated varnish 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: Fri, 20 Jun 2025 05:16:33 +0200
Source: varnish
Architecture: source
Version: 7.7.1-1
Distribution: experimental
Urgency: medium
Maintainer: Varnish Package Maintainers <team+varnish-team@tracker.debian.org>
Changed-By: Marco d'Itri <md@linux.it>
Closes: 1098056
Changes:
 varnish (7.7.1-1) experimental; urgency=medium
 .
   * New upstream release. Fixes:
     - FTBFS with GCC-15. (Closes: #1098056)
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We believe that the bug you reported is fixed in the latest version of
varnish, 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 1098056@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Marco d'Itri <md@linux.it> (supplier of updated varnish 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: Wed, 13 Aug 2025 22:49:24 +0200
Source: varnish
Architecture: source
Version: 7.7.2-1
Distribution: unstable
Urgency: medium
Maintainer: Varnish Package Maintainers <team+varnish-team@tracker.debian.org>
Changed-By: Marco d'Itri <md@linux.it>
Closes: 1098056 1108389
Changes:
 varnish (7.7.2-1) unstable; urgency=medium
 .
   * New upstream release. Fixes:
     - the VSV00017 denial of service vulnerability.
   * Skip most autopkgtests on riscv64 because they are unreliable.
     (Closes: #1108389)
 .
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 .
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