Default mingw _WIN32_WINNT

[JonY]

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.

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