2) Build TCLTLS

-> Unzip distribution on your system.
-> Start WSL.
-> cd /mnt/c/path/to/tcltls

./gen_dh_params > dh_params.h

od -A n -v -t xC < 'tls.tcl' > tls.tcl.h.new.1
sed 's@[^0-9A-Fa-f]@@g;s@..@0x&, @g' < tls.tcl.h.new.1 > tls.tcl.h
rm -f tls.tcl.h.new.1

-> Visual Studio x64 native prompt.

cd C:path\to\tcltls\win