-BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration
-MOUSEKEY_ENABLE = yes # Mouse keys
-EXTRAKEY_ENABLE = yes # Audio control and System control
-CONSOLE_ENABLE = yes # Console for debug
-COMMAND_ENABLE = yes # Commands for debug and configuration
-NKRO_ENABLE = yes # USB Nkey Rollover
-#KEYMAP_SECTION_ENABLE = yes # fixed address keymap for keymap editor
-#HHKB_JP = yes # HHKB JP support
+#BOOTMAGIC_ENABLE ?= yes # Virtual DIP switch configuration
+MOUSEKEY_ENABLE ?= yes # Mouse keys
+EXTRAKEY_ENABLE ?= yes # Audio control and System control
+CONSOLE_ENABLE ?= yes # Console for debug
+COMMAND_ENABLE ?= yes # Commands for debug and configuration
+NKRO_ENABLE ?= yes # USB Nkey Rollover
+#HHKB_JP ?= yes # HHKB JP support
+#UNIMAP_ENABLE ?= yes # Universal keymap
+#ACTIONMAP_ENABLE ?= yes # Use 16bit actionmap instead of 8bit keymap
+#KEYMAP_SECTION_ENABLE ?= yes # fixed address keymap for keymap editor