1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
# our default target
.PHONY: all
all:
include $(TOPDIR)/config.mk
LIB := $(obj)built-in.o
LIBGCC = $(obj)libgcc.o
SRCS :=
subdir-y :=
obj-dirs :=
include Makefile
# Do not include host rules unless needed
ifneq ($(hostprogs-y)$(hostprogs-m),)
include $(SRCTREE)/scripts/Makefile.host.tmp
endif
# Going forward use the following
obj-y := $(sort $(obj-y))
extra-y := $(sort $(extra-y))
always := $(sort $(always))
lib-y := $(sort $(lib-y))
subdir-y += $(patsubst %/,%,$(filter %/, $(obj-y)))
obj-y := $(patsubst %/, %/built-in.o, $(obj-y))
subdir-obj-y := $(filter %/built-in.o, $(obj-y))
subdir-obj-y := $(addprefix $(obj),$(subdir-obj-y))
SRCS += $(wildcard $(obj-y:.o=.c) $(obj-y:.o=.S) $(lib-y:.o=.c) \
$(lib-y:.o=.S) $(extra-y:.o=.c) $(extra-y:.o=.S))
OBJS := $(addprefix $(obj),$(obj-y))
# $(obj-dirs) is a list of directories that contain object files
obj-dirs += $(dir $(OBJS))
# Create directories for object files if directory does not exist
# Needed when obj-y := dir/file.o syntax is used
_dummy := $(foreach d,$(obj-dirs), $(shell [ -d $(d) ] || mkdir -p $(d)))
LGOBJS := $(addprefix $(obj),$(sort $(lib-y)))
all: $(LIB) $(addprefix $(obj),$(extra-y) $(always)) $(subdir-y)
$(LIB): $(obj).depend $(OBJS)
$(call cmd_link_o_target, $(OBJS))
ifneq ($(strip $(lib-y)),)
all: $(LIBGCC)
$(LIBGCC): $(obj).depend $(LGOBJS)
$(call cmd_link_o_target, $(LGOBJS))
endif
ifneq ($(subdir-obj-y),)
# Descending
$(subdir-obj-y): $(subdir-y)
endif
ifneq ($(subdir-y),)
$(subdir-y): FORCE
$(MAKE) -C $@ -f $(TOPDIR)/scripts/Makefile.build
endif
#########################################################################
# defines $(obj).depend target
include $(TOPDIR)/rules.mk
sinclude $(obj).depend
#########################################################################
.PHONY: FORCE
|
