1# our default target 2.PHONY: all 3all: 4 5include $(TOPDIR)/config.mk 6 7LIB := $(obj)built-in.o 8LIBGCC = $(obj)libgcc.o 9SRCS := 10 11include Makefile 12 13# Going forward use the following 14obj-y := $(sort $(obj-y)) 15extra-y := $(sort $(extra-y)) 16lib-y := $(sort $(lib-y)) 17 18subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) 19obj-y := $(patsubst %/, %/built-in.o, $(obj-y)) 20subdir-obj-y := $(filter %/built-in.o, $(obj-y)) 21subdir-obj-y := $(addprefix $(obj),$(subdir-obj-y)) 22 23SRCS += $(wildcard $(obj-y:.o=.c) $(obj-y:.o=.S) $(lib-y:.o=.c) \ 24 $(lib-y:.o=.S) $(extra-y:.o=.c) $(extra-y:.o=.S)) 25OBJS := $(addprefix $(obj),$(obj-y)) 26 27LGOBJS := $(addprefix $(obj),$(sort $(lib-y))) 28 29all: $(LIB) $(addprefix $(obj),$(extra-y)) 30 31$(LIB): $(obj).depend $(OBJS) 32 $(call cmd_link_o_target, $(OBJS)) 33 34ifneq ($(strip $(lib-y)),) 35all: $(LIBGCC) 36 37$(LIBGCC): $(obj).depend $(LGOBJS) 38 $(call cmd_link_o_target, $(LGOBJS)) 39endif 40 41ifneq ($(subdir-obj-y),) 42# Descending 43$(subdir-obj-y): $(subdir-y) 44 45$(subdir-y): FORCE 46 $(MAKE) -C $@ -f $(TOPDIR)/scripts/Makefile.build 47endif 48 49######################################################################### 50 51# defines $(obj).depend target 52 53include $(TOPDIR)/rules.mk 54 55sinclude $(obj).depend 56 57######################################################################### 58 59.PHONY: FORCE 60