Package: src:xarclock
Version: 1.0-19
Severity: important
Tags: sid trixie
User: debian-...@lists.debian.org
Usertags: ftbfs-gcc-14

[This bug is 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-14/g++-14, but succeeds to build with gcc-13/g++-13. The
severity of this report will be raised before the trixie release.

The full build log can be found at:
http://qa-logs.debian.net/2024/07/01/xarclock_1.0-19_unstable_gccexp.log
The last lines of the build log are at the end of this report.

To build with GCC 14, either set CC=gcc-14 CXX=g++-14 explicitly,
or install the gcc, g++, gfortran, ... packages from experimental.

  apt-get -t=experimental install g++ 

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-14/porting_to.html

[...]

User Environment
----------------

APT_CONFIG=/var/lib/sbuild/apt.conf
HOME=/sbuild-nonexistent
LANG=C.UTF-8
LC_ALL=C.UTF-8
LOGNAME=user42
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
SCHROOT_ALIAS_NAME=unstable
SCHROOT_CHROOT_NAME=sid-amd64-sbuild
SCHROOT_COMMAND=env
SCHROOT_GID=1001
SCHROOT_GROUP=user42
SCHROOT_SESSION_ID=sid-amd64-sbuild-96c53421-d36f-4359-bb48-179ab3b723b0
SCHROOT_UID=1001
SCHROOT_USER=user42
SHELL=/bin/sh
USER=user42

dpkg-buildpackage
-----------------

Command: dpkg-buildpackage --sanitize-env -us -uc -b -rfakeroot
dpkg-buildpackage: info: source package xarclock
dpkg-buildpackage: info: source version 1.0-19
dpkg-buildpackage: info: source distribution unstable
dpkg-buildpackage: info: source changed by Pino Toscano <p...@debian.org>
 dpkg-source --before-build .
dpkg-buildpackage: info: host architecture amd64
 debian/rules clean
dh clean
   dh_auto_clean
        make -j8 clean
make[1]: Entering directory '/<<PKGBUILDDIR>>'
rm -f xarclock
rm -f *.CKP *.ln *.BAK *.bak *.o core errs ,* *~ *.a .emacs_* tags TAGS 
make.log MakeOut  "#"*
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
   dh_clean
 debian/rules binary
dh binary
   dh_update_autotools_config
   dh_autoreconf
   dh_auto_configure
   debian/rules override_dh_auto_build
make[1]: Entering directory '/<<PKGBUILDDIR>>'
xmkmf
mv -f Makefile Makefile.bak
imake -DUseInstalled -I/usr/lib/X11/config
dh_auto_build -- CFLAGS="-g -O2 -Werror=implicit-function-declaration 
-ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong 
-fstack-clash-protection -Wformat -Werror=format-security -fcf-protection"
        make -j8 "INSTALL=install --strip-program=true" "CFLAGS=-g -O2 
-Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. 
-fstack-protector-strong -fstack-clash-protection -Wformat 
-Werror=format-security -fcf-protection"
make[2]: Entering directory '/<<PKGBUILDDIR>>'
gcc -g -O2 -Werror=implicit-function-declaration 
-ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong 
-fstack-clash-protection -Wformat -Werror=format-security -fcf-protection 
-Wdate-time -D_FORTIFY_SOURCE=2  -c -o xarclock.o xarclock.c
gcc -g -O2 -Werror=implicit-function-declaration 
-ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong 
-fstack-clash-protection -Wformat -Werror=format-security -fcf-protection 
-Wdate-time -D_FORTIFY_SOURCE=2  -c -o ARClock.o ARClock.c
ARClock.c: In function ‘clock_tic’:
ARClock.c:371:12: error: type defaults to ‘int’ in declaration of ‘i’ 
[-Wimplicit-int]
  371 |   register i, j;
      |            ^
ARClock.c:371:15: error: type defaults to ‘int’ in declaration of ‘j’ 
[-Wimplicit-int]
  371 |   register i, j;
      |               ^
make[2]: *** [<builtin>: ARClock.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/<<PKGBUILDDIR>>'
dh_auto_build: error: make -j8 "INSTALL=install --strip-program=true" 
"CFLAGS=-g -O2 -Werror=implicit-function-declaration 
-ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong 
-fstack-clash-protection -Wformat -Werror=format-security -fcf-protection" 
returned exit code 2
make[1]: *** [debian/rules:10: override_dh_auto_build] Error 25
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make: *** [debian/rules:6: binary] Error 2
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2

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