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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Build failure in gettimeofday
Date: Mon, 14 Sep 2020 19:19:31 +0300
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To: martin rudalics <rudalics@gmx.at>
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> Cc: emacs-devel@gnu.org
> From: martin rudalics <rudalics@gmx.at>
> Date: Mon, 14 Sep 2020 10:10:04 +0200
> 
>  > Which flavor of MinGW are you using, and what
>  > are the values of _WIN32_WINNT and _WIN32_WINNT_WIN8 when compiling
>  > lib/gettimeofday.c?
> 
> It's likely MinGW 4.8.1 with MSYS 1.0 but I do not recall the details
> anymore.  After my old XP machine crashed and my Windows 10 install on
> another machine refuses to boot, I'm on an XP machine that I only used
> as backup but never for development.  So you'd also have to tell me
> _where_ to look for the values of WIN32_WINNT and _WIN32_WINNT_WIN8.

I guess you mean GCC 4.8.1?

Please show the output of "gcc --version", and the version-related
macros in the _mingw.h header (under your system include directory).