Download unofficial dynrpg from here:
Download a windows build of mingw. It must be i686 (win32) sjlj version.
Minimum gcc 4.7.1 required
Create local.mk with
- DYNRPG= location of dynrpg sdk
- CXX= path to mingw g++.exe
- DESTDIR= path to DynPlugins for your game, to use make install