foreign call error

[Jack-Ji]

Just cloned the repo and trying to run event.ss/simple.ss, got following error:

jack@jack-VirtualBox:~/chez-sdl/tst$ scheme --script simple.ss 
Exception: invalid foreign-procedure result type specifier (& SDL_JoystickGUID) at line 1271, char 98 of /home/jack/chez-sdl/lib/sdl/ftype.sls
jack@jack-VirtualBox:~/chez-sdl/tst$ grep SDL_JoystickGUID /usr/include/SDL2/*
/usr/include/SDL2/SDL_gamecontroller.h:extern DECLSPEC char * SDLCALL SDL_GameControllerMappingForGUID(SDL_JoystickGUID guid);
/usr/include/SDL2/SDL_joystick.h:} SDL_JoystickGUID;
/usr/include/SDL2/SDL_joystick.h:extern DECLSPEC SDL_JoystickGUID SDLCALL SDL_JoystickGetDeviceGUID(int device_index);
/usr/include/SDL2/SDL_joystick.h:extern DECLSPEC SDL_JoystickGUID SDLCALL SDL_JoystickGetGUID(SDL_Joystick * joystick);
/usr/include/SDL2/SDL_joystick.h:extern DECLSPEC void SDLCALL SDL_JoystickGetGUIDString(SDL_JoystickGUID guid, char *pszGUID, int cbGUID);
/usr/include/SDL2/SDL_joystick.h:extern DECLSPEC SDL_JoystickGUID SDLCALL SDL_JoystickGetGUIDFromString(const char *pchGUID);
jack@jack-VirtualBox:~/chez-sdl/tst$ echo $CHEZSCHEMELIBDIRS 
/home/jack/chez-sdl/lib: