Hi, Marius Bakke skribis: > Ludovic Courtès writes: > >> The question for us becomes how to ensure long-term reproducibility in >> the presence of such bugs. >> >> In this case, I think the only solution would be to change the system >> clock when one rebuilds GnuTLS (or to use ‘--without-tests=gnutls’, but >> you end up with different derivations, which is not necessarily >> desirable). >> >> Thoughts? > > There is a related bug report here: > > https://issues.guix.gnu.org/39310 > > Perhaps we could make a "--with-system-clock" option for 'guix build' > that instructs the daemon to fake the system time? How would it fake it though? There are time_namespaces(7), but it’s only for CLOCK_MONOTONIC and CLOCK_BOOTTIME. LD_PRELOAD like ‘datefudge’ does is probably not a viable option. Ludo’.