... as separate zip files, and are updated and upgraded whenever I see a bug, or need a feature.
Help on is --help
They are meant to be run under windows.
gw.cmd, bc2.cmd, gp.cmd, gwix.cmd are your compiler wrapper batch files you will be using.
gw2.cmd and bc2.cmd and gwix.cmd generate both 32 and 64-bit executables in a 32\ and 64\ directory automatically and copy the minimum DLL's needed.
you must edit some of the batch files to configure them for your environment.