John Doe writes: > > > without seeing the input that causes the error nobody will really > > be able to tell you much. > > Many thanks for the response. I've pasted the relevant code below: > > typedef void* HANDLETYPE; > > ERRORTYPE VIDDEC_HandleCommand (HANDLETYPE phandle, ...) > { > > VIDDEC_COMPONENT_PRIVATE* pComponentPrivate = > (VIDDEC_COMPONENT_PRIVATE*)phandle; > HANDLETYPE hIPC = NULL; > .... > .... > (IPC_DSP_INTERFACE*)pComponentPrivate->pIPC = (IPC_DSP_INTERFACE*)hIPC; > > The line immediately above this text is causing the aforementioned > "invalid lvalue in assignment" error. Would this qualify as one of > the deprecated conditions you mentioned below? This construct is known as an lvalue cast. It used to be supported in gcc, but isn't any longer. It's easy enough to fix: pComponentPrivate->pIPC = (pIPCType*)hIPC; Andrew.