Re: [PING^1][PATCH][COVER LETTER] manual/time.texi: TZ and zoneinfo updates

[JWP <elseifthen at gmx dot com>]

On 01/16/2015 05:00 PM, JWP wrote:
> Hello Everyone,
> 
> This is my first contribution to the glibc manual and I do not
> know what level of proof is required for changes, so I'll try
> to be brief.
> 
> 1) the manual says:
> "this count includes leap seconds if you set TZ to certain values"
> 
> Obviously, setting TZ does not change the System Clock time.
> As evidence of what I wrote regarding the configuration for using the
> 'right' database, I will quote the zoneinfo Makefile:
> 
> # In earlier versions of this makefile, the other two directories were
> # subdirectories of $(TZDIR).  However, this led to configuration errors.
> # For example, with posix_right under the earlier scheme,
> # TZ='right/Australia/Adelaide' got you localtime with leap seconds,
> # but gmtime without leap seconds, which led to problems with applications
> # like sendmail that subtract gmtime from localtime.
> # Therefore, the other two directories are now siblings of $(TZDIR).
> # You must replace all of $(TZDIR) to switch from not using leap seconds
> # to using them, or vice versa.
> 
> 2) When TZ is set to an invalid value glibc defaults to UTC.
> 
> I do not have anything to quote on this one, but that is
> indeed what happens.
> 
> 3) Path to the zoneinfo database has changed to /usr/share/zoneinfo.
> 
> The Manual:
> C.2 Installing the C Library
> ============================
> For a system wide installation (the given paths are for an installation
> with `--prefix=/usr'), link the timezone file which is in
> `/usr/share/zoneinfo' to the file `/etc/localtime'.
> 
> Makeconfig:
> datadir = $(prefix)/share
> zonedir = $(datadir)/zoneinfo
> 
> 4) The zoneinfo data is no longer installed by glibc:
> 
> commit 482ff4dae91cf9a288284072d1a299868db7a634
> Author: Ulrich Drepper <drepper@gmail.com>
> Date:   Wed Mar 7 04:48:47 2012 -0500
> 
>     Don't install timezone rule files
> 
> 
> J William Piggott (1):
>   manual/time.texi: TZ and zoneinfo updates
> 
>  manual/time.texi | 22 +++++++++++++++-------
>  1 file changed, 15 insertions(+), 7 deletions(-)
> 
>