root / rules.mak @ ff9d2afa
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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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|
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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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|
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ifeq ($(LIBTOOL),) |
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%.lo: %.c |
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@echo "missing libtool. please install and rerun configure"; exit 1 |
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else |
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%.lo: %.c |
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$(call quiet-command,$(LIBTOOL) --mode=compile --quiet --tag=CC $(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," lt CC $@") |
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endif |
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|
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%.o: %.S |
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$(call quiet-command,$(CC) $(QEMU_INCLUDES) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," AS $(TARGET_DIR)$@") |
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|
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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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LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(sort $(1)) $(LIBS)," LINK $(TARGET_DIR)$@") |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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)/scripts/create_config < $< > $@, " GEN $*.h") |
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@cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h |
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|
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# will delete the target of a rule if commands exit with a nonzero exit status |
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.DELETE_ON_ERROR: |
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# magic to descend into other directories |
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|
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obj := . |
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old-nested-dirs := |
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|
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define push-var |
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$(eval save-$2-$1 = $(value $1)) |
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$(eval $1 :=) |
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endef |
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|
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define pop-var |
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$(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-$1 :=) |
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endef |
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|
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define unnest-dir |
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$(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),$1/)) |
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endef |
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|
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define unnest-vars-1 |
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$(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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|
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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 |