| |
| # Don't use implicit rules or variables |
| # we have explicit rules for everything |
| MAKEFLAGS += -rR |
| |
| # Files with this suffixes are final, don't try to generate them |
| # using implicit rules |
| %.d: |
| %.h: |
| %.c: |
| %.m: |
| %.mak: |
| |
| # Flags for dependency generation |
| QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d |
| |
| # Same as -I$(SRC_PATH) -I., but for the nested source/object directories |
| QEMU_CFLAGS += -I$(<D) -I$(@D) |
| |
| %.o: %.c |
| $(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@") |
| |
| ifeq ($(LIBTOOL),) |
| LIBTOOL = /bin/false |
| LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \ |
| $(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(version-obj-y) \ |
| $(LIBS)," LINK $(TARGET_DIR)$@") |
| else |
| LIBTOOL += $(if $(V),,--quiet) |
| %.lo: %.c |
| $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," lt CC $@") |
| %.lo: %.dtrace |
| $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, " lt GEN $(TARGET_DIR)$@") |
| |
| LINK = $(call quiet-command,\ |
| $(if $(filter %.lo %.la,$^),$(LIBTOOL) --mode=link --tag=CC \ |
| )$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ \ |
| $(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(version-obj-y) \ |
| $(LIBS),$(if $(filter %.lo %.la,$^),"lt LINK ", " LINK ")"$(TARGET_DIR)$@") |
| endif |
| |
| %.asm: %.S |
| $(call quiet-command,$(CPP) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -o $@ $<," CPP $(TARGET_DIR)$@") |
| |
| %.o: %.asm |
| $(call quiet-command,$(AS) $(ASFLAGS) -o $@ $<," AS $(TARGET_DIR)$@") |
| |
| %.o: %.m |
| $(call quiet-command,$(OBJCC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@") |
| |
| %.o: %.dtrace |
| $(call quiet-command,dtrace -o $@ -G -s $<, " GEN $(TARGET_DIR)$@") |
| |
| %$(EXESUF): %.o |
| $(call LINK,$^) |
| |
| %.a: |
| $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^," AR $(TARGET_DIR)$@") |
| |
| quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1)) |
| |
| # cc-option |
| # Usage: CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0) |
| |
| cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \ |
| >/dev/null 2>&1 && echo OK), $2, $3) |
| |
| VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.texi %.sh |
| set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1))) |
| |
| # find-in-path |
| # Usage: $(call find-in-path, prog) |
| # Looks in the PATH if the argument contains no slash, else only considers one |
| # specific directory. Returns an # empty string if the program doesn't exist |
| # there. |
| find-in-path = $(if $(find-string /, $1), \ |
| $(wildcard $1), \ |
| $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH))))) |
| |
| # Generate files with tracetool |
| TRACETOOL=$(PYTHON) $(SRC_PATH)/scripts/tracetool.py |
| |
| # Generate timestamp files for .h include files |
| |
| config-%.h: config-%.h-timestamp |
| @cmp $< $@ >/dev/null 2>&1 || cp $< $@ |
| |
| config-%.h-timestamp: config-%.mak |
| $(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, " GEN $(TARGET_DIR)config-$*.h") |
| |
| .PHONY: clean-timestamp |
| clean-timestamp: |
| rm -f *.timestamp |
| clean: clean-timestamp |
| |
| # will delete the target of a rule if commands exit with a nonzero exit status |
| .DELETE_ON_ERROR: |
| |
| # magic to descend into other directories |
| |
| obj := . |
| old-nested-dirs := |
| |
| define push-var |
| $(eval save-$2-$1 = $(value $1)) |
| $(eval $1 :=) |
| endef |
| |
| define pop-var |
| $(eval subdir-$2-$1 := $(if $(filter $2,$(save-$2-$1)),$(addprefix $2,$($1)))) |
| $(eval $1 = $(value save-$2-$1) $$(subdir-$2-$1)) |
| $(eval save-$2-$1 :=) |
| endef |
| |
| define unnest-dir |
| $(foreach var,$(nested-vars),$(call push-var,$(var),$1/)) |
| $(eval obj := $(obj)/$1) |
| $(eval include $(SRC_PATH)/$1/Makefile.objs) |
| $(eval obj := $(patsubst %/$1,%,$(obj))) |
| $(foreach var,$(nested-vars),$(call pop-var,$(var),$1/)) |
| endef |
| |
| define unnest-vars-1 |
| $(eval nested-dirs := $(filter-out \ |
| $(old-nested-dirs), \ |
| $(sort $(foreach var,$(nested-vars), $(filter %/, $($(var))))))) |
| $(if $(nested-dirs), |
| $(foreach dir,$(nested-dirs),$(call unnest-dir,$(patsubst %/,%,$(dir)))) |
| $(eval old-nested-dirs := $(old-nested-dirs) $(nested-dirs)) |
| $(call unnest-vars-1)) |
| endef |
| |
| define unnest-vars |
| $(call unnest-vars-1) |
| $(foreach var,$(nested-vars),$(eval $(var) := $(filter-out %/, $($(var))))) |
| $(shell mkdir -p $(sort $(foreach var,$(nested-vars),$(dir $($(var)))))) |
| $(foreach var,$(nested-vars), $(eval \ |
| -include $(addsuffix *.d, $(sort $(dir $($(var))))))) |
| endef |