Could you (indeed everyone that builds on Windows) review the
documentation in WINDOWS?
HOWTO build GNU Go for windows using CMake and MS Visual Studio
Run CMake
locate the source code
choose a location for the project files (this can be the same directory)
Press Configure and choose your Visual Studio version from the next screen + OK
CMake gives a message about CMake version => OK
Press Configure again => CMake gives a message about CMake version => OK
This clears the version message
Press OK => CMake gives another message about CMake version => OK
You now find the project files in the folder you specified before
Open the GNUGo solution in Visual Studio
set gnugo as StartUp Project (right-click on it, and select "Set as StartUp Project")
Build the solution (Choose "Build Solution" from Build menu)
Compiler generates a lot warnings, ignore these.
In the directory where you made the project files:
You find your build in the directory interface\Release (or interface\Debug if you were debugging)