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Date: Sun, 4 Mar 2012 12:52:32 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Setting TZ may break time() in non-Cygwin programs
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On Mar  2 22:35, Christian Franke wrote:
> Corinna Vinschen wrote:
> >On Mar  1 21:15, Christian Franke wrote:
> >>TZ environment variable is set by default since base-files 4.0.7.
> >>
> >>Unfortunately this breaks the time() calculation for all non-Cygwin
> >>programs run from Cygwin if Microsoft C runtime (mscrt*.dll) is
> >>used. MS CRT evaluates TZ but supports only a very old syntax
> >>subset. IIRC this is the case since VS1.x (DOS/Win16) and did not
> >>change since at least VS10.
> >I'm sorry, but I really don't care enough.  If that's a problem, then
> >just unset TZ in your environment before calling non-Cygwin tools, no?
> 
> Of course, after tracking down the problem to the new TZ it is now
> easy to unset it :-)
> 
> No problem in scripts, but inconvenient and error prone for interactive use.
> 
> 
> >But, as usual, PTC.
> 
> OK, ...
> 
> >
> >Simple: Unset TZ for Win32 programs run from Cygwin.
> >
> >More flexible: Set (unset) TZ=CYGWIN_WINENV_TZ if this variable is
> >set (to empty). Otherwise keep TZ as is.
> >
> 
> would a patch for any of the above have a chance to get accepted?

If it's not getting too complicated, yes.  However, the second idea
I don't understand.  Can you explain this differently?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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