Re: 64-bit build on Windows

[Eli Zaretskii]

> From: Óscar Fuentes <address@hidden>
> Cc: Eli Zaretskii <address@hidden>,  Emacs developers <address@hidden>
> Date: Sat, 21 Jan 2017 23:43:50 +0100
> 
> > One question for them, then. Could it be that I have mingw(32|64).exe
> > instead of mingw(32|64)_shell.bat because I followed the advice at
> > http://msys2.github.io/ and did a post-installation update with
> >
> >   pacman -Sy pacman
> >   pacman -Syu
> >   pacman -Su
> >
> > ?
> 
> Most likely. The method for starting the shell with the specific
> settings for each mode (msys2/mingw64/mingw32) changed some months ago.
> 
> > If so, it's this something we should recommend in nt/INSTALL.W64?
> 
> Nowadays a simple `pacman -Suy' should do the right thing. And IMO using
> the updated binary packages is a good thing.

If this change in MSYS2 is only a few months old, I think we should
mention both possibilities in the instructions, in case the reader has
an older installation.