Subject: bug#42025: Determinism Problem with Mpv

From: Ricardo Wurmus <[email-masked]>
Date: Tue, 23 Jun 2020 23:29:49 +0200

Thank you for the report.

> The message is this:
> building /gnu/store/qkmylc2cd950kf4zk8y3ay0hpwcvjpvr-mpv-0.32.0.drv...
> \output ‘/gnu/store/q71zaxglbwmw3z4r1a3jmf1mgwrpmv4c-mpv-0.32.0’ of
> ‘/gnu/store/qkmylc2cd950kf4zk8y3ay0hpwcvjpvr-mpv-0.32.0.drv’ differs
> from previous round

[…]

> Let me know if there is more information I can provide.

Can you please tell us what files differ when you build mpv a second
time with “guix build --check -K --no-grafts mpv” and compare the two
output directories?  Perhaps there are obvious patterns that could give
us a clue as to what causes the differences.

-- 
Ricardo