Re: [oe-core][PATCHv15 1/6] emptty: add version 0.15.0

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Thu, 2026-02-12 at 16:52 -0600, Randolph Sapp wrote:
> On Thu Feb 12, 2026 at 10:45 AM CST, Mathieu Dubois-Briand wrote:
> > On Tue Feb 3, 2026 at 2:20 AM CET, Randolph Sapp via lists.openembedded.org wrote:
> > > From: Randolph Sapp <rs@ti.com>
> > > 
> > > Add emptty, a "Dead simple CLI Display Manager on TTY". This is a
> > > relatively lightweight display manager that supports x11 as well as
> > > wayland through both a CLI and an automatic login mechanism.
> > > 
> > > This can effectively replace the custom init scripts for both x11
> > > (xserver-nodm-init) and wayland (weston-init) with a single tool with
> > > more verbose logging capabilities.
> > > 
> > > This is split into two recipes. The emptty package provides the binary
> > > and various agnostic configs while the emptty-conf package provides the
> > > default configuration for the application itself. This RPROVIDES
> > > virtual-emptty-conf, allowing other recipes to provide their own
> > > configurations to override the default behavior.
> > > 
> > > Signed-off-by: Randolph Sapp <rs@ti.com>
> > > ---
> > 
> > Hi Randolph,
> > 
> > This patch has been in my branch for a week now, but we are seeing some
> > intermittent reproducibility issues.
> > 
> > I opened a bugzilla entry by error, as for a second I thought this patch
> > was merged, so details can be found here:
> > https://bugzilla.yoctoproject.org/show_bug.cgi?id=16171
> > 
> > Diffoscope output is here:
> > https://valkyrie.yocto.io/pub/repro-fail/oe-reproducible-20260212-ssslvz6_/packages/diff-html/
> > 
> > Can you have a look at what is going wrong please?
> > 
> > Thanks,
> > Mathieu
> 
> Hey Mathieu, I'm at a serious loss here. The only differences I see are file
> creation dates and intermediary archive sizes (normally only a difference of 2-4
> blocks), which I assume are being changed by the creation dates as there are no
> content diffs reported. I don't have direct control over either of these
> components.
> 
> I agree that this is an issue, but I have no idea what is expected from me here.
> I see some weird workarounds using touch in xorg-minimal-fonts and e2fsprogs,
> but from what I understand that should not be required.
> 
> Shouldn't all packages get hit with the same SOURCE_DATE_EPOCH enforcement? One
> of those packages is literally just a single text file that is installed with:
> 
> install -DZ res/conf -m 644 -T ${DESTDIR}/etc/${DISTFILE}/conf
> 
> On top of that, a local "oe-selftest -r reproducible" doesn't seem capable of
> reproducing it. Are there any other logs you can share?

Those dates are probably controlled by SOURCE_DATE_EPOCH for the
recipe. That is probably not stable for some reason in all builds. Why,
I'm not sure but I thought I'd at least point where to look.

We pull SDE from different places depending on the type of sources and
so on.

Cheers,

Richard