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51 lines
1.4 KiB
51 lines
1.4 KiB
# SPDX-License-Identifier: GPL-2.0-only |
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PHONY := __default |
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__default: vmlinux |
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include include/config/auto.conf |
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include $(srctree)/scripts/Kbuild.include |
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# for c_flags |
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include $(srctree)/scripts/Makefile.lib |
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targets := |
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quiet_cmd_cc_o_c = CC $@ |
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cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< |
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%.o: %.c FORCE |
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$(call if_changed_dep,cc_o_c) |
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ifdef CONFIG_MODULES |
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targets += .vmlinux.export.o |
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vmlinux: .vmlinux.export.o |
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endif |
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ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink) |
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# Final link of vmlinux with optional arch pass after final link |
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cmd_link_vmlinux = \ |
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$< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)"; \ |
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$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) |
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targets += vmlinux |
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vmlinux: scripts/link-vmlinux.sh vmlinux.o $(KBUILD_LDS) FORCE |
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+$(call if_changed_dep,link_vmlinux) |
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# Add FORCE to the prequisites of a target to force it to be always rebuilt. |
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# --------------------------------------------------------------------------- |
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PHONY += FORCE |
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FORCE: |
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# Read all saved command lines and dependencies for the $(targets) we |
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# may be building above, using $(if_changed{,_dep}). As an |
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# optimization, we don't need to read them if the target does not |
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# exist, we will rebuild anyway in that case. |
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existing-targets := $(wildcard $(sort $(targets))) |
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-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) |
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.PHONY: $(PHONY)
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