Hi,
<stdin>:1:30: error: l4/usb/usb_types.h: No such file or directory
Unfortunately it seems like this file has not found the way into the public svn... It should be there soon.
As workaround, I suggest you to download the file from the following URL http://os.inf.tu-dresden.de/~dvogt/ddeusb/usb_types.h
Regards, Dirk.