Control: tags -1 + confirmed Hi Aurelien,
On Fri, Feb 20, 2026 at 11:33:49PM +0100, Aurelien Jarno wrote: > Source: criu > Version: 4.2-1 > Severity: important > Tags: ftbfs upstream > Justification: fails to build from source > User: [email protected] > Usertags: glibc-2.43 > > Dear maintainer(s), > > criu fails to build from source with glibc 2.43, currently in > experimental. From the build log: > > | gcc -c -g -O2 -Werror=implicit-function-declaration > -ffile-prefix-map=/build/reproducible-path/criu-4.2=. > -fstack-protector-strong -fstack-clash-protection -Wformat > -Werror=format-security -mbranch-protection=standard -O2 -g -Wall > -Wformat-security -Wdeclaration-after-statement -Wstrict-prototypes > -Wno-dangling-pointer -Wno-unknown-warning-option -Werror -DCONFIG_AARCH64 > -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_GNU_SOURCE > -DCONFIG_HAS_LIBBSD -DCONFIG_GNUTLS -DCONFIG_HAS_NFTABLES_LIB_API_1 -iquote > include/ -DCONFIG_HAS_LIBBSD -DCONFIG_GNUTLS -DCONFIG_HAS_NFTABLES_LIB_API_1 > -I ./compel/include/uapi -fno-strict-aliasing -iquote criu/include -iquote > include -iquote images -iquote criu/arch/aarch64/include -iquote . > -I/usr/include/libnl3 -DSYSCONFDIR='"/etc"' > -DGLOBAL_CONFIG_DIR='"/etc/criu/"' -DDEFAULT_CONFIG_FILENAME='"default.conf"' > -DUSER_CONFIG_DIR='".criu/"' criu/tty.c -o criu/tty.o > | criu/tty.c: In function ‘pts_fd_get_index’: > | criu/tty.c:262:21: error: initialization discards ‘const’ qualifier from > pointer target type [-Werror=discarded-qualifiers] > | 262 | char *pos = strrchr(link->name, '/'); > | | ^~~~~~~ > | At top level: > | cc1: note: unrecognized command-line option ‘-Wno-unknown-warning-option’ > may have been intended to silence earlier diagnostics > | cc1: all warnings being treated as errors > | make[4]: *** > [/build/reproducible-path/criu-4.2/scripts/nmk/scripts/build.mk:119: > criu/tty.o] Error 1 > | make[3]: *** [criu/Makefile:76: criu/built-in.o] Error 2 > | make[2]: *** [Makefile:278: criu] Error 2 > | make[2]: Leaving directory '/build/reproducible-path/criu-4.2' > | make[1]: *** [debian/rules:20: override_dh_auto_build] Error 2 > | make[1]: Leaving directory '/build/reproducible-path/criu-4.2' > | make: *** [debian/rules:14: binary] Error 2 > | dpkg-buildpackage: error: debian/rules binary subprocess failed with exit > status 2 > > The full build log is available here [1]. > > The issue is due to ISO C23 declaration of bsearch, memchr, strchr, > strpbrk, strrchr, strstr, wcschr, wcspbrk, wcsrchr, wcsstr and wmemchr, > which now returns a pointer to a const-qualified type when the input > argument is a pointer to a const-qualified type [2]. > > I would like to thanks Emanuele Rocca for doing the archive rebuild on > a fast arm64 server. Thanks for the report, this should be fixed with https://github.com/checkpoint-restore/criu/commit/90300748effc1cf0fe56e35d3d1cc2ddfedab246 Depends on how fast you want things to be ready for unstable I can cherry-pick it in advance before upstream releases a new version. Regards, Salvatore

