bug#61782: About some warning building Emacs master on MSYS2/MINGW64 [autogen, configure]

[Angelo Graziosi]

> Il 25/02/2023 10:49 Eli Zaretskii ha scritto:
> 
> > From: Angelo Graziosi
> > 
> > I noticed that building Emacs (master) on Windows with MSYS2/MINGW64 now 
> > shows these warnings
> > 
> > $ ./autogen.sh
> > [...]
> > Running 'autoreconf -fi -I m4' ...
> > ac-wrapper: autoreconf: warning: auto-detected versions not found ( ); 
> > falling back to latest available
> > You can now run './configure'.
> 
> The first one doesn't happen here.

For the sake of completeness, someone made a deep analysis of that warning: 
https://github.com/msys2/MSYS2-packages/issues/3588