How does the time zone info get updated?

[Konstantin Belousov]

On Wed, Jan 06, 2021 at 12:05:17AM +0100, Stefan Esser wrote:
> I'd rather think we should have the port install files into
> $PREFIX/share/zoneinfo and modify the file lookup to search at
> that location first, before falling back to the base system
> location.
> 
> This might require changes to zic, zdump, tzsetup, etcupdate,
> and bsdconfig, which only expect a single path in TZDIR.
> 
> This might be considered worse than the port that overwrites
> files in base.
This really requires changes to libc, which implies changed behavior
for all applications.