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Bug#1096265: marked as done (4g8: ftbfs with GCC-15)

Your message dated Mon, 20 Oct 2025 00:04:10 +0000
with message-id <E1vAdNi-002tY2-0q@fasolo.debian.org>
and subject line Bug#1096265: fixed in 4g8 1.0-7
has caused the Debian Bug report #1096265,
regarding 4g8: ftbfs with GCC-15
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
1096265: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1096265
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: src:4g8
Version: 1.0-6
Severity: important
Tags: sid forky
User: debian-gcc@lists.debian.org
Usertags: ftbfs-gcc-15

[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/4g8_1.0-6_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

[...]
utils.c:437:30: warning: pointer targets in passing argument 2 of ‘strtok’ differ in signedness [-Wpointer-sign]
  437 |          eptr = strtok(NULL, delim))
      |                              ^~~~~
      |                              |
      |                              u_int8_t * {aka unsigned char *}
/usr/include/string.h:356:67: note: expected ‘const char * restrict’ but argument is of type ‘u_int8_t *’ {aka ‘unsigned char *’}
  356 | extern char *strtok (char *__restrict __s, const char *__restrict __delim)
      |                                            ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
utils.c:437:15: warning: pointer targets in assignment from ‘char *’ to ‘u_int8_t *’ {aka ‘unsigned char *’} differ in signedness [-Wpointer-sign]
  437 |          eptr = strtok(NULL, delim))
      |               ^
utils.c:439:29: warning: pointer targets in passing argument 1 of ‘strtol’ differ in signedness [-Wpointer-sign]
  439 |         if((base16 = strtol(eptr, 0, 16)) > 0xff)
      |                             ^~~~
      |                             |
      |                             u_int8_t * {aka unsigned char *}
In file included from /usr/include/libnet.h:58:
/usr/include/stdlib.h:177:48: note: expected ‘const char * restrict’ but argument is of type ‘u_int8_t *’ {aka ‘unsigned char *’}
  177 | extern long int strtol (const char *__restrict __nptr,
      |                         ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
utils.c: In function ‘retrieve_rand_ethernet_addr’:
utils.c:468:20: warning: pointer targets in passing argument 1 of ‘sprintf’ differ in signedness [-Wpointer-sign]
  468 |            sprintf(eaddr, "%s:%0x", eaddr, oct);
      |                    ^~~~~
      |                    |
      |                    u_int8_t * {aka unsigned char *}
/usr/include/x86_64-linux-gnu/bits/stdio2.h:28:1: note: expected ‘char *’ but argument is of type ‘u_int8_t *’ {aka ‘unsigned char *’}
   28 | __NTH (sprintf (char *__restrict __s, const char *__restrict __fmt, ...))
      | ^~~~~
utils.c:470:20: warning: pointer targets in passing argument 1 of ‘sprintf’ differ in signedness [-Wpointer-sign]
  470 |            sprintf(eaddr, "%0x", oct);
      |                    ^~~~~
      |                    |
      |                    u_int8_t * {aka unsigned char *}
/usr/include/x86_64-linux-gnu/bits/stdio2.h:28:1: note: expected ‘char *’ but argument is of type ‘u_int8_t *’ {aka ‘unsigned char *’}
   28 | __NTH (sprintf (char *__restrict __s, const char *__restrict __fmt, ...))
      | ^~~~~
In file included from /usr/include/stdio.h:970:
In function ‘vsnprintf’,
    inlined from ‘print_separator’ at utils.c:88:5:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:100:10: warning: ‘__builtin___vsnprintf_chk’ specified bound 256 exceeds destination size 255 [-Wstringop-overflow=]
  100 |   return __builtin___vsnprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  101 |                                     __glibc_objsize (__s), __fmt, __ap);
      |                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
utils.c: In function ‘format_ethernet_addr’:
utils.c:428:9: warning: ‘__builtin_strncpy’ specified bound 18 equals destination size [-Wstringop-truncation]
  428 |         strncpy(o_ethstr, ethstr, 18);
      |         ^
In function ‘sprintf’,
    inlined from ‘retrieve_rand_ethernet_addr’ at utils.c:468:12:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:30:10: warning: ‘__builtin___sprintf_chk’ argument 5 overlaps destination object ‘eaddr’ [-Wrestrict]
   30 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   31 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   32 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
utils.c: In function ‘retrieve_rand_ethernet_addr’:
utils.c:455:39: note: destination object referenced by ‘restrict’-qualified argument 1 was declared here
  455 | retrieve_rand_ethernet_addr(u_int8_t *eaddr)
      |                             ~~~~~~~~~~^~~~~
make[3]: Leaving directory '/build/reproducible-path/4g8-1.0/src'
make[2]: *** [Makefile:398: all-recursive] Error 1
make[2]: Leaving directory '/build/reproducible-path/4g8-1.0'
make[1]: *** [Makefile:338: all] Error 2
make[1]: Leaving directory '/build/reproducible-path/4g8-1.0'
dh_auto_build: error: make -j8 returned exit code 2
make: *** [debian/rules:17: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2

--- End Message ---
--- Begin Message --- 
Source: 4g8
Source-Version: 1.0-7
Done: Santiago Vila <sanvila@debian.org>

We believe that the bug you reported is fixed in the latest version of
4g8, 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 1096265@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Santiago Vila <sanvila@debian.org> (supplier of updated 4g8 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)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Mon, 20 Oct 2025 01:20:00 +0200
Source: 4g8
Architecture: source
Version: 1.0-7
Distribution: unstable
Urgency: medium
Maintainer: Debian QA Group <packages@qa.debian.org>
Changed-By: Santiago Vila <sanvila@debian.org>
Closes: 1096265
Changes:
 4g8 (1.0-7) unstable; urgency=medium
 .
   * QA upload.
   * Build using C17 standard with GNU extensions. Closes: #1096265.
   * Drop "Rules-Requires-Root: no" (default).
   * Drop "Priority: optional" (default).
   * Update standards-version.
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 5fda5abe2d972e0d7bde33b98645efedc88b551c 5980 4g8_1.0-7.debian.tar.xz
 4081762a7c6e5ed92cde9a9a404b051cdd0069d7 5529 4g8_1.0-7_source.buildinfo
Checksums-Sha256:
 6794f2efcfca88f9960410c1a9e801deae85a9b24e2385e87ea643a13ec3119c 1407 4g8_1.0-7.dsc
 5d9d9fd4f564933aae4fe341c25355f5491699cf77a8b50064186288839b7242 5980 4g8_1.0-7.debian.tar.xz
 d2e66d042b3a019fb0f6838c8a456b44fd3e6739dd034c02e342ac437aa157e0 5529 4g8_1.0-7_source.buildinfo
Files:
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 dd0e52ef4e6784408416f56e8e7b1bae 5980 net optional 4g8_1.0-7.debian.tar.xz
 aa008b0ee7374b6abbd527dc6f1e1b14 5529 net optional 4g8_1.0-7_source.buildinfo

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