Date: Mon, 5 Jun 2017 15:54:16 -0500 From: Justin Hibbits <jhibbits@freebsd.org> To: ppc@freebsd.org Subject: Re: 64-bit time_t on 32-bit powerpc Message-ID: <CAHSQbTDbQaK2k_q0OkpoCEwQF1v-XRrA8kg%2BPzYyhBY=UTQExQ@mail.gmail.com> In-Reply-To: <CAHSQbTC9UgCnpbpMj5dukY%2BGMwOpDy5FQACHGmb8EmU%2BdyQOuw@mail.gmail.com>
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On Fri, Jun 2, 2017 at 11:45 PM, Justin Hibbits <jhibbits@freebsd.org> wrote:
> Calling all powerpc(32) users,
>
> Attached is a patch which changes the size of time_t from 32-bit to 64-bit
> on powerpc. ARM and MIPS already use 64-bit time_t, the only other holdout
> is i386, which cannot be changed. I want to get this in soon so there's
> plenty of soak time before 12 is branched. It works well enough for my
> cases, but I want others to poke, prod, and try to break it. Especially try
> your favorite ports builds, and make sure things still a) build, and b) work
> as expected.
>
> Almost forgot, too... With powerpc64 users, the compat32 has been updated as
> well, obviously. So, some testing of that is needed, too.
>
> - Justin
I was just informed I forgot a very crucial part of the patch -- the
update to UPDATING:
20170612:
The FreeBSD/powerpc platform now uses a 64-bit type for time_t. This is
a very major incompatible change, so users of FreeBSD/powerpc must be
careful when performing source upgrades. It is best to run 'make
installworld' from an alternate root system, either a live CD/memory
stick, or a temporary root partition. Additionally, all ports must be
recompiled.
In short: Do _not_ try to reboot to the new kernel with existing
userland. Boot to an alternate userland and install from there.
Also, shortly after I sent out the patch, I realized I hadn't tested
with TARGET_ARCH=powerpc64, which broke. I'll send out an updated
patch later tonight.
- Justin
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