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Date: Mon, 18 Jul 2016 09:41:42 +0100
From: Peter Stephenson <p.stephenson@samsung.com>
To: "zsh-workers@zsh.org" <zsh-workers@zsh.org>
Subject: Re: strptime() on Cygwin requires _XOPEN_SOURCE
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On Sat, 16 Jul 2016 14:34:30 +0900
Jun T. <takimoto-j@kba.biglobe.ne.jp> wrote:
> A possible fix is to define _XOPEN_SOURCE in datetime.c (patch1 below).
> Another possibility is to define _GNU_SOURCE in zsh_system.h (patch2).
> 
> Both work OK on the latest Cygwin, but I can't test on older Cygwin.
> Maybe patch1 is better since it would have minimum side effects?

Probably, yes.  It's really hard to work out what effects a change in
the main header is going to do to all the variety of systems, even if
they're GNU based.

pws