1 # SPDX-License-Identifier: GPL-2.0-only
2
3 PHONY := __default
4 __default: vmlinux
5
6 include include/config/auto.conf
7 include $(srctree)/scripts/Kbuild.include
8
9 # for c_flags
10 include $(srctree)/scripts/Makefile.lib
11
12 targets :=
13
14 quiet_cmd_cc_o_c = CC $@
15 cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $
16
17 %.o: %.c FORCE
18 $(call if_changed_dep,cc_o_c)
19
20 ifdef CONFIG_MODULES
21 targets += .vmlinux.export.o
22 vmlinux: .vmlinux.export.o
23 endif
24
25 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(
26
27 # Final link of vmlinux with optional arch pas
28 cmd_link_vmlinux =
29 $< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFL
30 $(if $(ARCH_POSTLINK), $(MAKE) -f $(AR
31
32 targets += vmlinux
33 vmlinux: scripts/link-vmlinux.sh vmlinux.o $(K
34 +$(call if_changed_dep,link_vmlinux)
35
36 # module.builtin.ranges
37 # --------------------------------------------
38 ifdef CONFIG_BUILTIN_MODULE_RANGES
39 __default: modules.builtin.ranges
40
41 quiet_cmd_modules_builtin_ranges = GEN $@
42 cmd_modules_builtin_ranges = gawk -f $(r
43
44 targets += modules.builtin.ranges
45 modules.builtin.ranges: $(srctree)/scripts/gen
46 modules.builtin vmlinu
47 $(call if_changed,modules_builtin_rang
48
49 vmlinux.map: vmlinux
50 @:
51
52 endif
53
54 # Add FORCE to the prerequisites of a target t
55 # --------------------------------------------
56
57 PHONY += FORCE
58 FORCE:
59
60 # Read all saved command lines and dependencie
61 # may be building above, using $(if_changed{,_
62 # optimization, we don't need to read them if
63 # exist, we will rebuild anyway in that case.
64
65 existing-targets := $(wildcard $(sort $(target
66
67 -include $(foreach f,$(existing-targets),$(dir
68
69 .PHONY: $(PHONY)
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