On Mon, 2022-12-05 at 11:00 +0100, Ola x Nilsson wrote: > On Wed, Nov 30 2022, Richard Purdie wrote: > > > On Wed, 2022-11-30 at 17:56 +0100, Alexandre Belloni wrote: > > > On 30/11/2022 16:46:17+0000, Ross Burton wrote: > > > > On 30 Nov 2022, at 14:20, Richard Purdie via > > > > lists.yoctoproject.org > > > > <richard.purdie=linuxfoundation....@lists.yoctoproject.org> wrote: > > > > > > > * Could we optionally disable some of the glibc 32 bit function > > > > > > > calls > > > > > > > to ensure they're not being used? > > > > > > > > > > > > Could you be more specific here? Would you like to disable some > > > > > > syscalls? > > > > > > > > > > I'm meaning disabling the 32 bit glibc time functions. > > > > > > > > Some time ago I filed > > > > https://bugzilla.yoctoproject.org/show_bug.cgi?id=6803 as Debian > > > > has a nice sanity check where it warns if non-LFS glibc functions > > > > are used. I imagine the same logic could be used to check for 32- > > > > bit time_t use. > > > > That sounds interesting and something we should probably look into for > > both issues... > > I have a working sanity checker that checks for any glibc functions > affected by -D_FILE_OFFSET_BITS=64 or -D_TIME_BITS=64. > The INSANE_SKIP functionality needs some more polish but I'd be happy to > contribute it. > > Some libraries use both 32 and 64 bit APIs to glibc and needs exceptions > in the checker. > > I have not run any world builds with this checker, I've focused on the > recipes we actually use so far so we could get to a testable system. My > biggest worry at the moment is rust, I know to little to know if it is > an actual problem and how to fix it. > > I would like to be part of any "y2038 team" for Yocto.
That does sound useful, perhaps sharing it as an RFC patch might be a good place to start? We might be able to run one of the autobuilder world targets against it, see how it looks for our core recipes? Cheers, Richard
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