all: build-all # Dummy command so that make thinks it has done something @true include config-host.mak CFLAGS = -O2 -g MAKEFLAGS += -rR quiet-command = $(if $(V),$1,$(if $(2),@printf " %-7s %s\n" $2 $3 && $1, @$1)) 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 %.sh %.rc Kconfig% %.json.in set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1))) $(call set-vpath, $(SRC_PATH)) # Flags for dependency generation QEMU_DGFLAGS = -MMD -MP -MT $@ -MF $(@D)/$(*F).d %.o: %.c $(call quiet-command,$(CC) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ -c -o $@ $<,"CC","$(TARGET_DIR)$@") %.o: %.S $(call quiet-command,$(CCAS) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ -c -o $@ $<,"CCAS","$(TARGET_DIR)$@") .PHONY : all clean build-all OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o menu.o \ virtio.o virtio-scsi.o virtio-blkdev.o libc.o cio.o dasd-ipl.o EXTRA_CFLAGS := $(EXTRA_CFLAGS) -Wall EXTRA_CFLAGS += $(call cc-option,-Werror $(EXTRA_CFLAGS),-Wno-stringop-overflow) EXTRA_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE EXTRA_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables EXTRA_CFLAGS += $(call cc-option, $(EXTRA_CFLAGS), -fno-stack-protector) EXTRA_CFLAGS += $(call cc-option, $(EXTRA_CFLAGS), -Wno-array-bounds) EXTRA_CFLAGS += -msoft-float EXTRA_CFLAGS += $(call cc-option, $(EXTRA_CFLAGS),-march=z900,-march=z10) EXTRA_CFLAGS += -std=gnu99 LDFLAGS += -Wl,-pie -nostdlib build-all: s390-ccw.img s390-netboot.img s390-ccw.elf: $(OBJECTS) $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(OBJECTS),"BUILD","$(TARGET_DIR)$@") s390-ccw.img: s390-ccw.elf $(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,"STRIP","$(TARGET_DIR)$@") $(OBJECTS): Makefile ifneq ($(wildcard $(SRC_PATH)/../../roms/SLOF/lib/libnet),) include $(SRC_PATH)/netboot.mak else s390-netboot.img: @echo "s390-netboot.img not built since roms/SLOF/ is not available." endif ALL_OBJS = $(sort $(OBJECTS) $(NETOBJS) $(LIBCOBJS) $(LIBNETOBJS)) -include $(ALL_OBJS:%.o=%.d) clean: rm -f *.o *.d *.img *.elf *~ *.a