all: build-all # Dummy command so that make thinks it has done something @true include config-host.mak CFLAGS = -O2 -g MAKEFLAGS += -rR NULL := SPACE := $(NULL) # TARGET_PREFIX := $(patsubst %/,%:$(SPACE),$(TARGET_DIR)) quiet-@ = $(if $(V),,@$(if $1,printf "%s\n" "$(TARGET_PREFIX)$1" && )) quiet-command = $(call quiet-@,$2 $@)$1 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 $@ $<,Compiling) %.o: %.S $(call quiet-command,$(CCAS) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ -c -o $@ $<,Assembling) .PHONY : all clean build-all distclean 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 += -Wall EXTRA_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE EXTRA_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables EXTRA_CFLAGS += -msoft-float EXTRA_CFLAGS += -std=gnu99 LDFLAGS += -Wl,-pie -nostdlib cc-test = $(CC) -Werror $1 -c -o /dev/null -xc /dev/null >/dev/null 2>/dev/null cc-option = if $(call cc-test, $1); then \ echo "$(TARGET_PREFIX)$1 detected" && echo "EXTRA_CFLAGS += $1" >&3; else \ echo "$(TARGET_PREFIX)$1 not detected" $(if $2,&& echo "EXTRA_CFLAGS += $2" >&3); fi config-cc.mak: Makefile $(quiet-@)($(call cc-option,-Wno-stringop-overflow); \ $(call cc-option,-fno-stack-protector); \ $(call cc-option,-Wno-array-bounds); \ $(call cc-option,-Wno-gnu); \ $(call cc-option,-march=z900,-march=z10)) 3> config-cc.mak -include config-cc.mak LDFLAGS += -Wl,-pie -nostdlib build-all: s390-ccw.img s390-netboot.img s390-ccw.elf: $(OBJECTS) $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(OBJECTS),Linking) s390-ccw.img: s390-ccw.elf $(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,Stripping $< into) $(OBJECTS): Makefile ifneq ($(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 distclean: rm -f config-cc.mak