diff -r 000000000000 -r 76b1f169d9fe mingw-5.1.4/win32/include/unknwn.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mingw-5.1.4/win32/include/unknwn.h	Fri Apr 03 17:16:45 2009 +0100
@@ -0,0 +1,76 @@
+#ifndef COM_NO_WINDOWS_H
+#include <windows.h>
+#endif
+
+#ifndef _UNKNWN_H
+#define _UNKNWN_H
+#if __GNUC__ >=3
+#pragma GCC system_header
+#endif
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+#include <objfwd.h>
+#include <wtypes.h>
+
+void * __RPC_USER MIDL_user_allocate(size_t);
+void __RPC_USER MIDL_user_free(void*);
+EXTERN_C const IID IID_IUnknown;
+EXTERN_C const IID IID_IClassFactory;
+#ifndef __IUnknown_INTERFACE_DEFINED__
+#define __IUnknown_INTERFACE_DEFINED__
+#define INTERFACE IUnknown
+DECLARE_INTERFACE(IUnknown)
+{
+	STDMETHOD(QueryInterface)(THIS_ REFIID,PVOID*) PURE;
+	STDMETHOD_(ULONG,AddRef)(THIS) PURE;
+	STDMETHOD_(ULONG,Release)(THIS) PURE;
+};
+#undef INTERFACE
+typedef IUnknown *LPUNKNOWN;
+#endif
+#ifndef __IClassFactory_INTERFACE_DEFINED__
+#define __IClassFactory_INTERFACE_DEFINED__
+#define INTERFACE IClassFactory
+DECLARE_INTERFACE_(IClassFactory,IUnknown)
+{
+	STDMETHOD(QueryInterface)(THIS_ REFIID,PVOID*) PURE;
+	STDMETHOD_(ULONG,AddRef)(THIS) PURE;
+	STDMETHOD_(ULONG,Release)(THIS) PURE;
+	STDMETHOD(CreateInstance)(THIS_ LPUNKNOWN,REFIID,PVOID*) PURE;
+	STDMETHOD(LockServer)(THIS_ BOOL) PURE;
+};
+#undef INTERFACE
+typedef IClassFactory *LPCLASSFACTORY;
+#endif
+HRESULT STDMETHODCALLTYPE IUnknown_QueryInterface_Proxy(IUnknown*,REFIID,void**);
+void __RPC_STUB IUnknown_QueryInterface_Stub(LPRPCSTUBBUFFER,LPRPCCHANNELBUFFER,PRPC_MESSAGE,PDWORD);
+ULONG STDMETHODCALLTYPE IUnknown_AddRef_Proxy(IUnknown*);
+void __RPC_STUB IUnknown_AddRef_Stub(LPRPCSTUBBUFFER,LPRPCCHANNELBUFFER,PRPC_MESSAGE,PDWORD);
+ULONG STDMETHODCALLTYPE IUnknown_Release_Proxy(IUnknown*);
+void __RPC_STUB IUnknown_Release_Stub(LPRPCSTUBBUFFER,LPRPCCHANNELBUFFER,PRPC_MESSAGE,PDWORD);
+HRESULT STDMETHODCALLTYPE IClassFactory_RemoteCreateInstance_Proxy(IClassFactory*,REFIID,IUnknown**);
+void __RPC_STUB IClassFactory_RemoteCreateInstance_Stub(LPRPCSTUBBUFFER,LPRPCCHANNELBUFFER,PRPC_MESSAGE,PDWORD);
+HRESULT __stdcall IClassFactory_RemoteLockServer_Proxy(IClassFactory*,BOOL);
+void __RPC_STUB IClassFactory_RemoteLockServer_Stub(LPRPCSTUBBUFFER,LPRPCCHANNELBUFFER,PRPC_MESSAGE,PDWORD);
+HRESULT STDMETHODCALLTYPE IClassFactory_CreateInstance_Proxy(IClassFactory*,IUnknown*,REFIID,void**);
+HRESULT STDMETHODCALLTYPE IClassFactory_CreateInstance_Stub(IClassFactory*,REFIID,IUnknown**);
+HRESULT STDMETHODCALLTYPE IClassFactory_LockServer_Proxy(IClassFactory*,BOOL);
+HRESULT STDMETHODCALLTYPE IClassFactory_LockServer_Stub(IClassFactory*,BOOL);
+
+#if (!defined (__cplusplus) || defined (CINTERFACE)) \
+    && defined (COBJMACROS)
+#define IUnknown_QueryInterface(T,r,O) (T)->lpVtbl->QueryInterface(T,r,O)
+#define IUnknown_AddRef(T) (T)->lpVtbl->AddRef(T)
+#define IUnknown_Release(T) (T)->lpVtbl->Release(T)
+#define IClassFactory_QueryInterface(T,r,O) (T)->lpVtbl->QueryInterface(T,r,O)
+#define IClassFactory_AddRef(T) (T)->lpVtbl->AddRef(T)
+#define IClassFactory_Release(T) (T)->lpVtbl->Release(T)
+#define IClassFactory_CreateInstance(T,p,r,O) (T)->lpVtbl->CreateInstance(T,p,r,O)
+#define IClassFactory_LockServer(T,f) (T)->lpVtbl->LockServer(T,f)
+#endif /* COBJMACROS */
+#ifdef __cplusplus
+}
+#endif
+#endif