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Commit | Line | Data |
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ce28d7ac MY |
1 | # our default target |
2 | .PHONY: all | |
3 | all: | |
4 | ||
5 | include $(TOPDIR)/config.mk | |
6 | ||
4a20df39 MY |
7 | # variable LIB is used in examples/standalone/Makefile |
8 | __LIB := $(obj)built-in.o | |
ce28d7ac MY |
9 | LIBGCC = $(obj)libgcc.o |
10 | SRCS := | |
ad71fa99 MY |
11 | subdir-y := |
12 | obj-dirs := | |
ce28d7ac MY |
13 | |
14 | include Makefile | |
15 | ||
ad71fa99 MY |
16 | # Do not include host rules unless needed |
17 | ifneq ($(hostprogs-y)$(hostprogs-m),) | |
18 | include $(SRCTREE)/scripts/Makefile.host.tmp | |
19 | endif | |
20 | ||
ce28d7ac MY |
21 | # Going forward use the following |
22 | obj-y := $(sort $(obj-y)) | |
23 | extra-y := $(sort $(extra-y)) | |
ad71fa99 | 24 | always := $(sort $(always)) |
ce28d7ac MY |
25 | lib-y := $(sort $(lib-y)) |
26 | ||
ad71fa99 | 27 | subdir-y += $(patsubst %/,%,$(filter %/, $(obj-y))) |
ac7e7353 MY |
28 | obj-y := $(patsubst %/, %/built-in.o, $(obj-y)) |
29 | subdir-obj-y := $(filter %/built-in.o, $(obj-y)) | |
30 | subdir-obj-y := $(addprefix $(obj),$(subdir-obj-y)) | |
31 | ||
3fdf5c8e MY |
32 | SRCS += $(wildcard $(obj-y:.o=.c) $(obj-y:.o=.S) $(lib-y:.o=.c) \ |
33 | $(lib-y:.o=.S) $(extra-y:.o=.c) $(extra-y:.o=.S)) | |
34 | OBJS := $(addprefix $(obj),$(obj-y)) | |
ce28d7ac | 35 | |
e5c5301f | 36 | # $(obj-dirs) is a list of directories that contain object files |
ad71fa99 MY |
37 | |
38 | obj-dirs += $(dir $(OBJS)) | |
e5c5301f MY |
39 | |
40 | # Create directories for object files if directory does not exist | |
41 | # Needed when obj-y := dir/file.o syntax is used | |
42 | _dummy := $(foreach d,$(obj-dirs), $(shell [ -d $(d) ] || mkdir -p $(d))) | |
43 | ||
3fdf5c8e | 44 | LGOBJS := $(addprefix $(obj),$(sort $(lib-y))) |
ce28d7ac | 45 | |
4a20df39 | 46 | all: $(__LIB) $(addprefix $(obj),$(extra-y) $(always)) $(subdir-y) |
ce28d7ac | 47 | |
4a20df39 | 48 | $(__LIB): $(obj).depend $(OBJS) |
ce28d7ac MY |
49 | $(call cmd_link_o_target, $(OBJS)) |
50 | ||
51 | ifneq ($(strip $(lib-y)),) | |
52 | all: $(LIBGCC) | |
53 | ||
54 | $(LIBGCC): $(obj).depend $(LGOBJS) | |
55 | $(call cmd_link_o_target, $(LGOBJS)) | |
56 | endif | |
57 | ||
ac7e7353 MY |
58 | ifneq ($(subdir-obj-y),) |
59 | # Descending | |
60 | $(subdir-obj-y): $(subdir-y) | |
ad71fa99 | 61 | endif |
ac7e7353 | 62 | |
ad71fa99 | 63 | ifneq ($(subdir-y),) |
ac7e7353 MY |
64 | $(subdir-y): FORCE |
65 | $(MAKE) -C $@ -f $(TOPDIR)/scripts/Makefile.build | |
66 | endif | |
67 | ||
ce28d7ac MY |
68 | ######################################################################### |
69 | ||
5651ccff MY |
70 | # Allow boards to use custom optimize flags on a per dir/file basis |
71 | ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR)) | |
72 | ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) | |
73 | EXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR)) | |
74 | ALL_CFLAGS += $(EXTRA_CPPFLAGS) | |
75 | ||
76 | # The _DEP version uses the $< file target (for dependency generation) | |
77 | # See rules.mk | |
78 | EXTRA_CPPFLAGS_DEP = $(CPPFLAGS_$(BCURDIR)/$(addsuffix .o,$(basename $<))) \ | |
79 | $(CPPFLAGS_$(BCURDIR)) | |
80 | $(obj)%.s: %.S | |
81 | $(CPP) $(ALL_AFLAGS) -o $@ $< | |
82 | $(obj)%.o: %.S | |
83 | $(CC) $(ALL_AFLAGS) -o $@ $< -c | |
84 | $(obj)%.o: %.c | |
85 | ifneq ($(CHECKSRC),0) | |
86 | $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $< | |
87 | endif | |
88 | $(CC) $(ALL_CFLAGS) -o $@ $< -c | |
89 | $(obj)%.i: %.c | |
90 | $(CPP) $(ALL_CFLAGS) -o $@ $< -c | |
91 | $(obj)%.s: %.c | |
92 | $(CC) $(ALL_CFLAGS) -o $@ $< -c -S | |
93 | ||
94 | # If the list of objects to link is empty, just create an empty built-in.o | |
95 | cmd_link_o_target = $(if $(strip $1),\ | |
96 | $(LD) $(LDFLAGS) -r -o $@ $1,\ | |
97 | rm -f $@; $(AR) rcs $@ ) | |
98 | ||
99 | ######################################################################### | |
100 | ||
ce28d7ac MY |
101 | # defines $(obj).depend target |
102 | ||
103 | include $(TOPDIR)/rules.mk | |
104 | ||
105 | sinclude $(obj).depend | |
106 | ||
107 | ######################################################################### | |
ac7e7353 MY |
108 | |
109 | .PHONY: FORCE |