diff -Naur frotz-2.55/src/sdl/Makefile frotz-2.55.patched/src/sdl/Makefile
--- frotz-2.55/src/sdl/Makefile	2025-02-01 17:36:37.000000000 -0500
+++ frotz-2.55.patched/src/sdl/Makefile	2025-03-08 00:36:25.410732578 -0500
@@ -35,16 +35,7 @@
 	$(CC) $(CFLAGS) $(SDL_CFLAGS) -fPIC -fpic -o $@ -c $<
 
 $(DEFINES):
-	@echo "** Generating $@"
-	@echo "/* This file was automatically generated by the build process. */" > $@
-	@echo "/* These are defines specific to the SDL interface. */" >> $@
-	@echo >> $@
-	@echo "#ifndef SDL_DEFINES_H" >> $@
-	@echo "#define SDL_DEFINES_H" >> $@
-ifeq ($(SOUND_TYPE),none)
-	@echo "#define NO_SOUND" >> $@
-endif
-	@echo "#endif /* SDL_DEFINES_H */" >> $@
+	@echo > $@
 
 clean:
 	-rm -f $(TARGET) $(OBJECTS) $(DEPS) $(DEFINES)