# Use system-ac.mk if it exist, system.mk otherwise. ifndef TOPDIR TOPDIR=. endif SYSTEM_MK = $(TOPDIR)/system.mk AC_SYSTEM_MK = $(TOPDIR)/build/ac/system-ac.mk ifeq ($(AC_SYSTEM_MK),$(wildcard $(AC_SYSTEM_MK))) # Using system-ac.mk include $(AC_SYSTEM_MK) else # Not using system-ac.mk include $(SYSTEM_MK) endif include $(TOPDIR)/build/libs.mk