+include $(INCLUDE_DIR)/prereq.mk
+
+-include ./config
+ifneq ($(CONFIG_ATM),)
+ FEATURES += atm
+endif
+ifneq ($(CONFIG_PCI),)
+ FEATURES += pci
+endif
+ifneq ($(CONFIG_USB),)
+ FEATURES += usb
+endif
+ifneq ($(CONFIG_PCMCIA),)
+ FEATURES += pcmcia
+endif
+
+# remove duplicates
+FEATURES:=$(sort $(FEATURES))
+