1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only 2 2 3 PHONY := __default << 4 __default: vmlinux << 5 << 6 include include/config/auto.conf 3 include include/config/auto.conf 7 include $(srctree)/scripts/Kbuild.include 4 include $(srctree)/scripts/Kbuild.include 8 5 9 # for c_flags 6 # for c_flags 10 include $(srctree)/scripts/Makefile.lib 7 include $(srctree)/scripts/Makefile.lib 11 8 12 targets := << 13 << 14 quiet_cmd_cc_o_c = CC $@ 9 quiet_cmd_cc_o_c = CC $@ 15 cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $ 10 cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 16 11 17 %.o: %.c FORCE 12 %.o: %.c FORCE 18 $(call if_changed_dep,cc_o_c) 13 $(call if_changed_dep,cc_o_c) 19 14 20 ifdef CONFIG_MODULES !! 15 targets := $(MAKECMDGOALS) 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 16 54 # Add FORCE to the prerequisites of a target t !! 17 # Add FORCE to the prequisites of a target to force it to be always rebuilt. 55 # -------------------------------------------- 18 # --------------------------------------------------------------------------- 56 19 57 PHONY += FORCE 20 PHONY += FORCE 58 FORCE: 21 FORCE: 59 22 60 # Read all saved command lines and dependencie 23 # Read all saved command lines and dependencies for the $(targets) we 61 # may be building above, using $(if_changed{,_ 24 # may be building above, using $(if_changed{,_dep}). As an 62 # optimization, we don't need to read them if 25 # optimization, we don't need to read them if the target does not 63 # exist, we will rebuild anyway in that case. 26 # exist, we will rebuild anyway in that case. 64 27 65 existing-targets := $(wildcard $(sort $(target 28 existing-targets := $(wildcard $(sort $(targets))) 66 29 67 -include $(foreach f,$(existing-targets),$(dir 30 -include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) 68 31 69 .PHONY: $(PHONY) 32 .PHONY: $(PHONY)
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