Compling Stockfish on Windows 10-64bit using cygwin

[Sven]

Thanks for the link Tirsa. It works well.

Off topic for Unix gurus (not me ): How does the line

unzip -v &> /dev/null || pacman -S --noconfirm unzip

work in checking if unzip is installed and installing it if it is not?

The "||" is a logical OR in the shell. If the "unzip -v" command fails it will (by UNIX convention) return a non-zero exit code which means "false". The only plausible reason for "unzip v" to fail is that there is no "unzip" command in the PATH, usually meaning that "unzip" is not installed. And so the "pacman" command will be run.

[JohnS]

Thanks for the link Tirsa. It works well.

Off topic for Unix gurus (not me ): How does the line

unzip -v &> /dev/null || pacman -S --noconfirm unzip

work in checking if unzip is installed and installing it if it is not?

The "||" is a logical OR in the shell. If the "unzip -v" command fails it will (by UNIX convention) return a non-zero exit code which means "false". The only plausible reason for "unzip v" to fail is that there is no "unzip" command in the PATH, usually meaning that "unzip" is not installed. And so the "pacman" command will be run.

Thanks for the clear explanation Sven.