+ifdef SCORE_ENTRIES # number of score entries per player specified
+CONFIG_SCORE_ENTRIES = -D$(SCORE_ENTRIES)
+endif
+
+CONFIG_GAME_DIR = $(CONFIG_RO_GAME_DIR) $(CONFIG_RW_GAME_DIR)
+
+
+CONFIG = $(CONFIG_GAME_DIR) $(CONFIG_SCORE_ENTRIES) $(SOUNDS) $(JOYSTICK)
+DEBUG = -DDEBUG -g
+
+OPTIONS = $(DEBUG) -Wall # only for debugging purposes
+# OPTIONS = $(DEBUG) -O3 -Wall # only for debugging purposes
+# OPTIONS = $(DEBUG) -Wall -ansi -pedantic # only for debugging purposes
+# OPTIONS = -O3 -Wall -ansi -pedantic
+# OPTIONS = -O3 -Wall
+# OPTIONS = -O3