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Date:      Fri, 28 Feb 2025 22:44:02 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 269207] localtime.c fails to detect mobile device timezone change
Message-ID:  <bug-269207-227-kgaWm5IiYQ@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-269207-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-269207-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D269207

--- Comment #5 from J.R. Oldroyd <fbsd@opal.com> ---
This appears to be obsolete now.

Recent updates to the localtime() code introduce DETECT_TZ_CHANGES which ad=
ds
code to do the same as I'd proposed here two years ago.

The new functionality can be enabled by adding WITH_DETECT_TZ_CHANGES=3D1 to
/etc/src.conf and then rebuilding libc(localtime.o).  I have tested this and
cron(8) now does detect the timezone change.

Only comment is that it might be useful to make DETECT_TZ_CHANGES be enable=
d by
default and have a WITHOUT_DETECT_TZ_CHANGES setting in src.conf to turn it=
 off
if needed.

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