DBG should be 0 by default. Also, DBG = 1 seems to break ROS (it hangs before ntoskrn...
drwxr-xr-x - freeldr
drwxr-xr-x - msvc6
drwxr-xr-x - os2
drwxr-xr-x - posix
drwxr-xr-x - reactos
drwxr-xr-x - rosapps