c02817e5bf
This makes the test on $(LIBTOOL) work. Otherwise, LIBTOOL is /bin/false by the time the test is done. Fixes Win32 compilation without a working cross-libtool. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
149 lines
4.7 KiB
Makefile
149 lines
4.7 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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# Same as -I$(SRC_PATH) -I., but for the nested source/object directories
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QEMU_CFLAGS += -I$(<D) -I$(@D)
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%.o: %.c
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$(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@")
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%.o: %.rc
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$(call quiet-command,$(WINDRES) -I. -o $@ $<," RC $(TARGET_DIR)$@")
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Makefile: $(version-obj-y)
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ifeq ($(LIBTOOL),)
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LIBTOOL = /bin/false
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LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
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$(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(version-obj-y) \
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$(LIBS)," LINK $(TARGET_DIR)$@")
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else
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Makefile: $(version-lobj-y)
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LIBTOOL += $(if $(V),,--quiet)
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%.lo: %.c
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$(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," lt CC $@")
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%.lo: %.rc
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$(call quiet-command,$(LIBTOOL) --mode=compile --tag=RC $(WINDRES) -I. -o $@ $<,"lt RC $(TARGET_DIR)$@")
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%.lo: %.dtrace
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$(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, " lt GEN $(TARGET_DIR)$@")
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LINK = $(call quiet-command,\
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$(if $(filter %.lo %.la,$^),$(LIBTOOL) --mode=link --tag=CC \
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)$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \
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$(sort $(filter %.o, $1)) $(filter-out %.o, $1) \
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$(if $(filter %.lo %.la,$^),$(version-lobj-y),$(version-obj-y)) \
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$(if $(filter %.lo %.la,$^),$(LIBTOOLFLAGS)) \
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$(LIBS),$(if $(filter %.lo %.la,$^),"lt LINK ", " LINK ")"$(TARGET_DIR)$@")
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endif
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%.asm: %.S
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$(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -o $@ $<," CPP $(TARGET_DIR)$@")
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%.o: %.asm
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$(call quiet-command,$(AS) $(ASFLAGS) -o $@ $<," AS $(TARGET_DIR)$@")
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%.o: %.m
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$(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
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%.o: %.dtrace
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$(call quiet-command,dtrace -o $@ -G -s $<, " GEN $(TARGET_DIR)$@")
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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 %.sh
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set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1)))
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# find-in-path
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# Usage: $(call find-in-path, prog)
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# Looks in the PATH if the argument contains no slash, else only considers one
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# specific directory. Returns an # empty string if the program doesn't exist
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# there.
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find-in-path = $(if $(find-string /, $1), \
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$(wildcard $1), \
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$(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH)))))
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# Generate files with tracetool
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TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py
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# Generate timestamp files for .h include files
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config-%.h: config-%.h-timestamp
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@cmp $< $@ >/dev/null 2>&1 || cp $< $@
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config-%.h-timestamp: config-%.mak
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$(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $(TARGET_DIR)config-$*.h")
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.PHONY: clean-timestamp
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clean-timestamp:
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rm -f *.timestamp
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clean: clean-timestamp
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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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# magic to descend into other directories
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obj := .
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old-nested-dirs :=
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define push-var
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$(eval save-$2-$1 = $(value $1))
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$(eval $1 :=)
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endef
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define pop-var
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$(eval subdir-$2-$1 := $(if $(filter $2,$(save-$2-$1)),$(addprefix $2,$($1))))
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$(eval $1 = $(value save-$2-$1) $$(subdir-$2-$1))
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$(eval save-$2-$1 :=)
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endef
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define unnest-dir
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$(foreach var,$(nested-vars),$(call push-var,$(var),$1/))
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$(eval obj := $(obj)/$1)
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$(eval include $(SRC_PATH)/$1/Makefile.objs)
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$(eval obj := $(patsubst %/$1,%,$(obj)))
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$(foreach var,$(nested-vars),$(call pop-var,$(var),$1/))
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endef
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define unnest-vars-1
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$(eval nested-dirs := $(filter-out \
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$(old-nested-dirs), \
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$(sort $(foreach var,$(nested-vars), $(filter %/, $($(var)))))))
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$(if $(nested-dirs),
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$(foreach dir,$(nested-dirs),$(call unnest-dir,$(patsubst %/,%,$(dir))))
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$(eval old-nested-dirs := $(old-nested-dirs) $(nested-dirs))
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$(call unnest-vars-1))
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endef
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define unnest-vars
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$(call unnest-vars-1)
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$(foreach var,$(nested-vars),$(eval $(var) := $(filter-out %/, $($(var)))))
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$(shell mkdir -p $(sort $(foreach var,$(nested-vars),$(dir $($(var))))))
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$(foreach var,$(nested-vars), $(eval \
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-include $(addsuffix *.d, $(sort $(dir $($(var)))))))
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endef
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