Bug#1097175: libconvert-uulib-perl: ftbfs with GCC-15

[Matthias Klose]

Package: src:libconvert-uulib-perl
Version: 1:1.8+dfsg-1
Severity: important
Tags: sid forky
User: debian-gcc at 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/libconvert-uulib-perl_1.8+dfsg-1_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

[...]
      |                  ^~~~~~~~~~~~  ~~~~
uulib/uudeview.h:224:18: note: declared here
  224 | int     UUEXPORT UURemoveTemp           _ANSI_ARGS_((uulist *));
      |                  ^~~~~~~~~~~~
UUlib.xs: In function ‘XS_Convert__UUlib__Item_decode’:
UUlib.xs:457:18: error: too many arguments to function ‘UUDecodeFile’; expected 0, have 2
  457 |         RETVAL = UUDecodeFile (item, target);
      |                  ^~~~~~~~~~~~  ~~~~
uulib/uudeview.h:225:18: note: declared here
  225 | int     UUEXPORT UUDecodeFile           _ANSI_ARGS_((uulist *, char *));
      |                  ^~~~~~~~~~~~
UUlib.xs: In function ‘XS_Convert__UUlib__Item_info’:
UUlib.xs:468:9: error: too many arguments to function ‘UUInfoFile’; expected 0, have 3
  468 |         UUInfoFile (item, (void *)func, uu_info_file);
      |         ^~~~~~~~~~  ~~~~
uulib/uudeview.h:226:18: note: declared here
  226 | int     UUEXPORT UUInfoFile             _ANSI_ARGS_((uulist *, void *,
      |                  ^~~~~~~~~~
yes
checking for ranlib... ranlib
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... make[1]: *** [Makefile:339: UUlib.o] Error 1
make[1]: *** Waiting for unfinished jobs....
yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking for size_t... yes
checking whether time.h and sys/time.h may both be included... yes
checking fcntl.h usability... yes
checking fcntl.h presence... yes
checking for fcntl.h... yes
checking for unistd.h... (cached) yes
checking for memory.h... (cached) yes
checking malloc.h usability... yes
checking malloc.h presence... yes
checking for malloc.h... yes
checking errno.h usability... yes
checking errno.h presence... yes
checking for errno.h... yes
checking io.h usability... no
checking io.h presence... no
checking for io.h... no
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking for tempnam... yes
checking for gettimeofday... yes
checking for flockfile... yes
checking for getc_unlocked... yes
checking for feof_unlocked... yes
checking for ferror_unlocked... yes
checking for chmod... yes
checking for umask... yes
checking for mkstemp... yes
checking version number... 0.5pl20
configure: creating ./config.status
config.status: creating Makefile
config.status: creating config.h
make[1]: Leaving directory '/build/reproducible-path/libconvert-uulib-perl-1.8+dfsg'
dh_auto_build: error: make -j8 returned exit code 2
make: *** [debian/rules:7: binary] Error 25
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2