1all: build-all 2# Dummy command so that make thinks it has done something 3 @true 4 5include config-host.mak 6CFLAGS = -O2 -g 7MAKEFLAGS += -rR 8 9GIT_SUBMODULES = roms/SLOF 10 11NULL := 12SPACE := $(NULL) # 13TARGET_PREFIX := $(patsubst %/,%:$(SPACE),$(TARGET_DIR)) 14 15quiet-@ = $(if $(V),,@$(if $1,printf "%s\n" "$(TARGET_PREFIX)$1" && )) 16quiet-command = $(call quiet-@,$2 $@)$1 17 18VPATH_SUFFIXES = %.c %.h %.S %.m %.mak %.sh %.rc Kconfig% %.json.in 19set-vpath = $(if $1,$(foreach PATTERN,$(VPATH_SUFFIXES),$(eval vpath $(PATTERN) $1))) 20$(call set-vpath, $(SRC_PATH)) 21 22# Flags for dependency generation 23QEMU_DGFLAGS = -MMD -MP -MT $@ -MF $(@D)/$(*F).d 24 25%.o: %.c 26 $(call quiet-command,$(CC) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ 27 -c -o $@ $<,Compiling) 28 29%.o: %.S 30 $(call quiet-command,$(CCAS) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \ 31 -c -o $@ $<,Assembling) 32 33.PHONY : all clean build-all distclean 34 35OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o menu.o \ 36 virtio.o virtio-scsi.o virtio-blkdev.o libc.o cio.o dasd-ipl.o 37 38EXTRA_CFLAGS += -Wall 39EXTRA_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE 40EXTRA_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables 41EXTRA_CFLAGS += -msoft-float 42EXTRA_CFLAGS += -std=gnu99 43LDFLAGS += -Wl,-pie -nostdlib -z noexecstack 44 45cc-test = $(CC) -Werror $1 -c -o /dev/null -xc /dev/null >/dev/null 2>/dev/null 46cc-option = if $(call cc-test, $1); then \ 47 echo "$(TARGET_PREFIX)$1 detected" && echo "EXTRA_CFLAGS += $1" >&3; else \ 48 echo "$(TARGET_PREFIX)$1 not detected" $(if $2,&& echo "EXTRA_CFLAGS += $2" >&3); fi 49 50config-cc.mak: Makefile 51 $(quiet-@)($(call cc-option,-Wno-stringop-overflow); \ 52 $(call cc-option,-fno-stack-protector); \ 53 $(call cc-option,-Wno-array-bounds); \ 54 $(call cc-option,-Wno-gnu); \ 55 $(call cc-option,-march=z900,-march=z10)) 3> config-cc.mak 56-include config-cc.mak 57 58build-all: s390-ccw.img s390-netboot.img 59 60s390-ccw.elf: $(OBJECTS) 61 $(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(OBJECTS),Linking) 62 63s390-ccw.img: s390-ccw.elf 64 $(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,Stripping $< into) 65 66$(OBJECTS): Makefile 67 68include $(SRC_PATH)/netboot.mak 69 70ALL_OBJS = $(sort $(OBJECTS) $(NETOBJS) $(LIBCOBJS) $(LIBNETOBJS)) 71-include $(ALL_OBJS:%.o=%.d) 72 73clean: 74 rm -f *.o *.d *.img *.elf *~ *.a 75 76distclean: 77 rm -f config-cc.mak 78 79.PHONY: git-submodule-update 80$(SRC_PATH)/../../.git-submodule-status: git-submodule-update config-host.mak 81Makefile: $(SRC_PATH)/../../.git-submodule-status 82 83git-submodule-update: 84ifneq ($(GIT_SUBMODULES_ACTION),ignore) 85 $(quiet-@)GIT=git "$(SRC_PATH)/../../scripts/git-submodule.sh" $(GIT_SUBMODULES_ACTION) $(GIT_SUBMODULES) 86endif 87