+# Generate KEYBOARD_name_subname for all levels of the keyboard folder
+KEYBOARD_FILESAFE_1 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_1)))
+KEYBOARD_FILESAFE_2 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_2)))
+KEYBOARD_FILESAFE_3 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_3)))
+KEYBOARD_FILESAFE_4 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_4)))
+KEYBOARD_FILESAFE_5 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_5)))