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Subject: Re: Default mingw _WIN32_WINNT
From: Yaakov Selkowitz <yselkowitz AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Date: Thu, 07 May 2020 20:33:28 -0400
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On Tue, 2020-05-05 at 10:54 +0200, Corinna Vinschen wrote:
> On May  5 08:45, Biswapriyo Nath via Cygwin wrote:
> > Chaging the defines in package may break others installation.
> 
> No, it doesn't in this case.

In what case would it?

> Yaakov is talking about mingw-w64 headers used to create *Cygwin*
> applications using the occasional Windows function.  Cygwin executables
> in the distro run on Vista but not on XP or 2K3 anymore, given the
> Cygwin DLL doesn't.

That too, as well as the mingw64-*-headers used in the MinGW-w64
toolchain.

> 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.

I suppose so for Cygwin, but the mingw64-*-headers could be different.

> 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.

Fair enough.

--
Yaakov

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