IUnknown Error

[Heinz]

Hi,

Why do i get this error when compiling a specific dll of mine?


C:\Documents and Settings\Administrador\Escritorio\Olave\d3dlib>dmd -O -release
-ofd3dlib.dll -I..\support -I..\engine d3dlib.d d3ddriver.d gfxdriver.d d3d9d.d
engine.lib gcstub.obj d3dlib.def
OPTLINK (R) for Win32  Release 8.00.1
Copyright (C) Digital Mars 1989-2004  All rights reserved.
D:\Dev\dmd\bin\..\lib\phobos.lib(com)
 Error 42: Symbol Undefined _IID_IUnknown
--- errorlevel 1

Thanx