These are long obsolete. Get rid of them.

Mac/mwerks/old/mwerks_cfm68k_config.h

-#define USE_GUSI
-#define USE_MAC_SHARED_LIBRARY
-#define USE_MAC_APPLET_SUPPORT

Mac/mwerks/old/mwerks_nsgusi_config.h

-#define HAVE_CONFIG_H
-// #define USE_STDWIN
-// #define USE_MACTCP
-#define USE_BGEN
-#ifndef __CFM68K__
-#define USE_MACSPEECH
-#endif
-// #define USE_IMG
-#define USE_MACCTB
-#ifdef __powerc
-#define USE_MAC_DYNAMIC_LOADING
-#endif
-#define USE_GUSI
-#define USE_STACKCHECK

Mac/mwerks/old/mwerks_nsgusitk_config.h

-//#define USE_STDWIN
-//#define USE_MACTCP
-#define USE_BGEN
-//#define USE_MACSPEECH
-//#define USE_IMG
-//#define USE_MACCTB
-#define USE_TK
-#define USE_GUSI
-//#define USE_WASTE

Mac/mwerks/old/mwerks_shgusi_config.h

-#define HAVE_CONFIG_H
-#define USE_MAC_SHARED_LIBRARY
-#define USE_MAC_DYNAMIC_LOADING
-#define USE_MAC_APPLET_SUPPORT
-#define USE_GUSI
-#define USE_STACKCHECK
-

Mac/mwerks/old/mwerks_tk_config.h

-#define HAVE_CONFIG_H
-#define USE_MAC_DYNAMIC_LOADING
-#define USE_TK
-#define MAC_TCL
-