On Mon, Feb 10, 2020 at 09:08:18PM -0000, Christos Zoulas wrote: > In article <20200210172958.azwyzrq3d773gm56@danbala>, > Thomas Klausner <[email protected]> wrote: > >-=-=-=-=-=- > > > >Hi! > > > >Some weeks/months ago I noticed that some tools displayed the wrong > >time, one hour in the future (right now, on 9.99.46/amd64) > > > >I've tracked this down to those using glib2 and wrote a small test > >program. > > > ># gcc test.c `pkg-config --cflags glib-2.0` `pkg-config --libs glib-2.0` > ># ./a.out; date > >local time: 19:22:59 > >UTC time: 17:22:59 > >Mo. Feb. 10 18:22:59 CET 2020 > > > >I have /etc/localtime symlinked: > > > >lrwxr-xr-x 1 root wheel 33 May 31 2019 /etc/localtime -> > >/usr/share/zoneinfo/Europe/Vienna > > > >(and this is handled correctly by glib2) but it doesn't work with > >explicitly given TZ environment variable either. > > > ># TZ=Europe/Vienna ./a.out; TZ=Europe/Vienna date > >local time: 19:24:45 > >UTC time: 17:24:45 > >Mo. Feb. 10 18:24:45 CET 2020 > > > >Other timezones work: > > > ># TZ=EST ./a.out; TZ=EST date > >local time: 12:24:35 > >UTC time: 17:24:35 > >Mo. Feb. 10 12:24:35 EST 2020 > > > >Is there something weird in NetBSD's version of tzcode (I see we have > >quite some changes) and we notice because glib2 has its own parser, or > >is it a bug in glib2? > > > >(I debugged it into glib2 and found that it identifies the timezone > >correctly from the symlink and then calls init_zone_from_iana_info(), > >see > >https://github.com/GNOME/glib/blob/mainline/glib/gtimezone.c#L522.) > > If you zic -b the zone does it work?
How would I do that as a one-off test? Thomas
