mirror of https://gitee.com/openkylin/qemu.git
56 lines
1.6 KiB
Makefile
56 lines
1.6 KiB
Makefile
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# Don't use implicit rules or variables
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# we have explicit rules for everything
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MAKEFLAGS += -rR
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# Files with this suffixes are final, don't try to generate them
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# using implicit rules
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%.d:
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%.h:
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%.c:
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%.m:
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%.mak:
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# Flags for dependency generation
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QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
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%.o: %.c
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@")
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%.o: %.S
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," AS $(TARGET_DIR)$@")
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%.o: %.m
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$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
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LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(1) $(LIBS)," LINK $(TARGET_DIR)$@")
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%$(EXESUF): %.o
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$(call LINK,$^)
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%.a:
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$(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@")
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quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
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# cc-option
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# Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
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cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
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>/dev/null 2>&1 && echo OK), $2, $3)
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VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi
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set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
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# Generate timestamp files for .h include files
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%.h: %.h-timestamp
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@test -f $@ || cp $< $@
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%.h-timestamp: %.mak
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$(call quiet-command, sh $(SRC_PATH)/create_config < $< > $@, " GEN $*.h")
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@cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h
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# will delete the target of a rule if commands exit with a nonzero exit status
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.DELETE_ON_ERROR:
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