https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103886
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Janne Blomqvist from comment #2) > (In reply to Andrew Pinski from comment #1) > > Is there anything to be done as the time_t is now defaults to 64bit on the > > trunk of glibc? > > AFAIU it's not the default, you need to explicitly opt-in by setting the > _TIME_BITS preprocessor macro to 64 (64-bit time_t is the default on musl, > and {Net,Open}BSD ). > > Or are you saying that since the _TIME_BITS thing was introduced (with glibc > 2.34), the upcoming 2.35/trunk has changed the default? Yes, the upcoming 2.35 has changed the default: https://sourceware.org/pipermail/libc-alpha/2021-December/134576.html Sorry I was not clear about that.