On Thu, 2023-12-21 at 14:38 +0100, Antonios Salios wrote: > On Thu, 2023-12-21 at 12:28 +0000, Arnd Bergmann wrote: > > On Thu, Dec 21, 2023, at 08:56, Antonios Salios wrote: > > > On Tue, 2023-12-19 at 13:53 +0000, Arnd Bergmann wrote: > > > > On Tue, Dec 19, 2023, at 02:50, Dmitry Torokhov wrote: > > > > I don't know what __TIMESIZE is, this is not part of the kernel ABI > > as far as I can tell. __USE_TIME_BITS64 should be set by any 32-bit > > architecture if the C library defines a 64-bit time_t, otherwise > > the > > kernel headers have no way of picking the correct definitions based > > on preprocessor logic. > > Okay, I agree that this might be a libc problem then. I'll ask the > glibc maintainers. > According to a glibc maintainer, __USE_TIME_BITS64 is not set on architectures that use 64-bit time_t as default such as riscv32. This can also be seen here [1]. Perhaps the kernel header needs to check the size of time_t in some other way? [1] https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/features-time64.h;hb=glibc-2.37 -- Antonios Salios Software Engineer MachineWare GmbH | www.machineware.de Hühnermarkt 19, 52062 Aachen, Germany Amtsgericht Aachen HRB25734 Geschäftsführung Lukas Jünger Dr.-Ing. Jan Henrik Weinstock