DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org A0B3F388F015
Date: Tue, 5 May 2020 12:11:18 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Default mingw _WIN32_WINNT
Message-ID: <20200505101118.GD3947@calimero.vinschen.de>
Mail-Followup-To: cygwin@cygwin.com
References: <7101b829ec197e48e3aaf373625d950e95e29df4.camel@cygwin.com>
 <CALK-3m+s1ZaBq1L2yHj1aVZbps98X+sQrHJATmfJEQ4oLenBOA@mail.gmail.com>
 <20200505085436.GC3947@calimero.vinschen.de>
 <5dfce652-c039-64af-e839-2bda021f7437@emrich-ebersheim.de>
 <2bd7e94d-e6e8-be8f-f409-c78ecf0aa643@gmail.com>
MIME-Version: 1.0
Content-Disposition: inline
In-Reply-To: <2bd7e94d-e6e8-be8f-f409-c78ecf0aa643@gmail.com>
Precedence: list
Reply-To: cygwin@cygwin.com
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Errors-To: cygwin-bounces@cygwin.com
Sender: "Cygwin" <cygwin-bounces@cygwin.com>

On May  5 10:06, JonY via Cygwin wrote:
> On 5/5/20 9:05 AM, Rainer Emrich wrote:
> > Hi Corinna,
> > 
> > Am 05.05.2020 um 10:54 schrieb Corinna Vinschen:
> >> Therefore it might be a good idea to bump the default for these
> >> Cygwin-related headers to at least 0x0600.
> >>
> >> Setting them to 0x0602 sounds like a good idea, but as long as we didn't
> >> drop Vista or W7 support it might be premature.
> >>
> >> Btw., checking Cygwin sources for Vista and W7-specific code, it turned
> >> out that actually very few lines of code handle Vista or W7-specific
> >> workarounds.  The advantage of removing the code is pretty minor, so I
> >> didn't push the changes.  While it's a bad idea to keep Vista and W7
> >> running (at least attached to the internet), we can support them a while
> >> longer.
> > I would expect support for Windows 7 as long as the Micsrosoft ESU
> > program is active.
> > 
> 
> By right, applications needing newer APIs should be setting them instead
> of relying on the defaults. In this case, Cygwin compiled with
> -D_WIN32_WINNT=0x602 if needed.

It's not about compiling Cygwin itself (which sets _WIN32_WINNT to
0x0a00 anyway), it's about compiling executables *for* Cygwin.  Given
they won't run under pre-0x0600 anyway, it may be a good thing if the
win32 headers for Cygwin executables define the minimum possible as
default.


Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
--
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple