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https://github.com/checkpoint-restore/criu.git
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379a5d311d
Since we generate some headers the deps creation may need to be ordered, thus add deps-after variable for this case. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Tested-by: Andrew Vagin <avagin@parallels.com> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
188 lines
3.6 KiB
Text
188 lines
3.6 KiB
Text
##
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## General helpers for simplified Makefiles.
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##
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MAKEFLAGS := -r -R --no-print-directory
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targets :=
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deps :=
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deps-after :=
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all-objs :=
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incdeps :=
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_all :=
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include scripts/Makefile.rules
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include $(obj)/$(makefile)
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##
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##
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## Generate a bundle of rules for C files
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define gen-target-c-bundle
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$(eval $(call gen-rule-o-from-c-by-name,$(1),$(2)))
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$(eval $(call gen-rule-i-from-c-by-name,$(1),$(2)))
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$(eval $(call gen-rule-d-from-c-by-name,$(1),$(2)))
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$(eval $(call gen-rule-s-from-c-by-name,$(1),$(2)))
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endef
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##
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##
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## Generate a bundle of rules for S files
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define gen-target-S-bundle
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$(eval $(call gen-rule-o-from-S-by-name,$(1),$(2)))
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$(eval $(call gen-rule-d-from-S-by-name,$(1),$(2)))
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$(eval $(call gen-rule-i-from-S-by-name,$(1),$(2)))
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endef
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##
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##
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## Shared or standalone targets
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ifneq ($(obj-y),)
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obj-y := $(addprefix $(obj)/, $(obj-y))
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$(foreach file, \
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$(obj-y), \
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$(eval \
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$(call gen-target-c-bundle, \
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$(file:.o=))))
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all-objs += $(obj-y)
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deps += $(obj-y:.o=.d)
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endif
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ifneq ($(obj-e),)
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$(foreach file, \
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$(obj-e), \
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$(eval \
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$(call gen-target-c-bundle, \
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$(file:.o=))))
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all-objs += $(obj-e)
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deps += $(obj-e:.o=.d)
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endif
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ifneq ($(asm-y),)
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asm-y := $(addprefix $(obj)/, $(asm-y))
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$(foreach file, \
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$(asm-y), \
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$(eval \
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$(call gen-target-S-bundle, \
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$(file:.o=))))
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all-objs += $(asm-y)
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deps += $(asm-y:.o=.d)
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endif
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ifneq ($(asm-e),)
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$(foreach file, \
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$(asm-e), \
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$(eval \
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$(call gen-target-S-bundle, \
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$(file:.o=))))
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all-objs += $(asm-e)
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deps += $(asm-e:.o=.d)
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endif
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##
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##
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## Generate rules for a target
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define gen-target-rules
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$(1)-all-objs :=
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ifneq ($($(1)-obj-y),)
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$(foreach file, \
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$($(1)-obj-y), \
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$(eval \
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$(call gen-target-c-bundle, \
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$(obj)/$(file:.o=), \
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$($(1)-obj-y-cflags))))
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$(1)-all-objs += $$(addprefix $(obj)/, $($(1)-obj-y))
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deps += $$(addprefix $(obj)/, $($(1)-obj-y:.o=.d))
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endif
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ifneq ($($(1)-obj-e),)
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$(foreach file, \
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$($(1)-obj-e), \
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$(eval \
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$(call gen-target-c-bundle, \
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$(file:.o=), \
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$($(1)-obj-e-cflags))))
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$(1)-all-objs += $$($(1)-obj-e)
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deps += $$($(1)-obj-e:.o=.d)
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endif
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ifneq ($($(1)-asm-y),)
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$(foreach file, \
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$($(1)-asm-y), \
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$(eval \
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$(call gen-target-S-bundle, \
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$(obj)/$(file:.o=), \
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$($(1)-asm-y-asmflags))))
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$(1)-all-objs += $$(addprefix $(obj)/, $($(1)-asm-y))
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deps += $$($(1)-asm-y:.o=.d)
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endif
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ifneq ($($(1)-asm-e),)
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$(foreach file, \
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$($(1)-asm-e), \
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$(eval \
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$(call gen-target-S-bundle, \
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$(file:.o=), \
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$($(1)-asm-e-asmflags))))
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$(1)-all-objs += $$($(1)-asm-e)
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deps += $$($(1)-asm-e:.o=.d)
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endif
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$(1)-all-objs += $(all-objs)
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$$(obj)/$(1).built-in.o: $$($(1)-all-objs) $$($(1)-libs-e) $(libs-e)
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$$(E) " LINK " $$@
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$$(Q) $$(LD) -r -o $$@ $$^
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_all += $$(obj)/$(1).built-in.o
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endef
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##
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##
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## Walk over all targets and generate rules they require
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$(foreach target, \
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$(targets), \
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$(eval \
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$(call gen-target-rules,$(target))))
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##
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##
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## No targets -- just builtin default one
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ifeq ($(targets),)
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ifneq ($(all-objs),)
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$(obj)/built-in.o: $(all-objs) $(libs-e)
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$(E) " LINK " $@
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$(Q) $(LD) -r -o $@ $^
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_all += $(obj)/built-in.o
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endif
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endif
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##
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##
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## Include deps if requested
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ifneq ($(incdeps),)
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ifneq ($(deps-after),)
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$(deps): | $(deps-after)
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endif
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-include $(deps)
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endif
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##
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##
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## Autocomplete cleanups
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cleanup-y += $(obj)/*.o $(obj)/*.d
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cleanup-y += $(obj)/*.i $(obj)/*.s
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cleanup-y += $(obj)/*.built-in.o
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cleanup-y += $(obj)/built-in.o
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##
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## Predefined .PHONY targets
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.PHONY: all clean
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all: $(_all)
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@echo > /dev/null
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clean:
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$(E) " CLEANUP " $(obj)
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$(Q) $(RM) $(cleanup-y)
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