PowerPC 64-bit time_t

[Doug Rabson]

Well you have to maintain the kernel's syscall ABI, which basically means
adding new syscalls for anything which is affected.

On 9 June 2016 at 13:41, Justin Hibbits <jhibbits at freebsd.org> wrote:

> At the devsummit earlier today I mentioned for FreeBSD 12 wanting 64-bit
> time_t across the board.  It was pointed out that the only ones with 32-bit
> time_t are i386 and powerpc (32-bit).  I've made the changes necessary for
> at least kernel (world is still building right now), but it's obviously an
> ABI and KBI incompatible change.  Addressing KBI is a nonissue, as that's
> expected to break at major releases.  ABI is another issue.  I'm unsure how
> to properly address ABI breakage -- bumping libc's .so version, or
> reversion all symbols that use something with time_t, or something else.
> If I can address it before the code freeze, it could be done for FreeBSD
> 11, which leaves about 6 hours from now.
>
> Any thoughts?
>
> - Justin
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