projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 253d0942 AG |
1 | all: build-all |
| 2 | ||
| 3 | include ../../config-host.mak | |
| 4 | ||
| 5 | VPATH=$(SRC_PATH)/pc-bios/optionrom | |
| 6 | OBJCOPY=objcopy | |
| 7 | ||
| 8 | # from kernel sources - scripts/Kbuild.include | |
| 9 | # try-run | |
| 10 | # Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise) | |
| 11 | # Exit code chooses option. "$$TMP" is can be used as temporary file and | |
| 12 | # is automatically cleaned up. | |
| 13 | try-run = $(shell set -e; \ | |
| 14 | TMP="$(TMPOUT).$$$$.tmp"; \ | |
| 15 | if ($(1)) >/dev/null 2>&1; \ | |
| 16 | then echo "$(2)"; \ | |
| 17 | else echo "$(3)"; \ | |
| 18 | fi; \ | |
| 19 | rm -f "$$TMP") | |
| 20 | ||
| 21 | # cc-option-yn | |
| 22 | # Usage: flag := $(call cc-option-yn,-march=winchip-c6) | |
| 23 | cc-option-yn = $(call try-run,\ | |
| 24 | $(CC) $(KBUILD_CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",y,n) | |
| 25 | ||
| 26 | CFLAGS = -Wall -Wstrict-prototypes -Werror -fomit-frame-pointer -fno-builtin | |
| 27 | CFLAGS += -I$(SRC_PATH) | |
| 28 | ifeq ($(call cc-option-yn,-fno-stack-protector),y) | |
| 29 | CFLAGS += -fno-stack-protector | |
| 30 | endif | |
| 31 | ||
| 32 | build-all: multiboot.bin | |
| 33 | ||
| 34 | %.o: %.S | |
| 35 | $(CC) $(CFLAGS) -o $@ -c $< | |
| 36 | ||
| 37 | %.img: %.o | |
| 38 | $(LD) --oformat binary -Ttext 0 -o $@ $< | |
| 39 | ||
| 89e671e3 AG |
40 | %.bin: %.img |
| 41 | $(SRC_PATH)/pc-bios/optionrom/signrom.sh $< $@ | |
| 253d0942 AG |
42 | cp $@ $(SRC_PATH)/pc-bios/ |
| 43 | ||
| 253d0942 | 44 | clean: |
| 89e671e3 | 45 | $(RM) *.o *.img *.bin *~ |