bf_soundsystem.lib(SND_DeviceManager.obj) : error LNK2019: unresolved external s ymbol "public: __thiscall SND_OpenALDevice::SND_OpenALDevice(void)" (??0SND_Open ALDevice@@QAE@XZ) referenced in function "public: static void __cdecl SND_Device Manager::SetDeviceType(int)" (?SetDeviceType@SND_DeviceManager@@SAXH@Z) J:\blenderdev\2.44\build\win32-vc\bin\blender.exe : fatal error LNK1120: 1 unres olved externals scons: *** [J:\blenderdev\2.44\build\win32-vc\bin\blender.exe] Error 1120 scons: building terminated because of errors.