Archipelago » qemu

# 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),)

%.lo: %.c

	@echo "missing libtool. please install and rerun configure"; exit 1

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 $@")

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  $(TARGET_DIR)$@")

LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(sort $(filter %.o, $1)) $(filter-out %.o, $1) $(LIBS),"  LINK  $(TARGET_DIR)$@")

%$(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

%.h: %.h-timestamp

	@test -f $@ || cp $< $@

%.h-timestamp: %.mak

	$(call quiet-command, sh $(SRC_PATH)/scripts/create_config < $< > $@, "  GEN   $(TARGET_DIR)$*.h")

	@cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h

# 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