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# 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 $@
%.o: %.c $(GENERATED_HEADERS)
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," CC $(TARGET_DIR)$@")
%.o: %.S
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," AS $(TARGET_DIR)$@")
%.o: %.m
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c -o $@ $<," OBJC $(TARGET_DIR)$@")
LINK = $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(1) $(ARLIBS_BEGIN) $(ARLIBS) $(ARLIBS_END) $(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)
# Generate timestamp files for .h include files
%.h: %.h-timestamp
@test -f $@ || cp $< $@
%.h-timestamp: %.mak
$(call quiet-command, sh $(SRC_PATH)/create_config < $< > $@, " GEN $*.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:
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