2009-06-29 15:37:40 +02:00
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all: build-all
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include ../../config-host.mak
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VPATH=$(SRC_PATH)/pc-bios/optionrom
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OBJCOPY=objcopy
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# from kernel sources - scripts/Kbuild.include
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# try-run
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# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
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# Exit code chooses option. "$$TMP" is can be used as temporary file and
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# is automatically cleaned up.
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try-run = $(shell set -e; \
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TMP="$(TMPOUT).$$$$.tmp"; \
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if ($(1)) >/dev/null 2>&1; \
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then echo "$(2)"; \
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else echo "$(3)"; \
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fi; \
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rm -f "$$TMP")
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# cc-option-yn
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# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
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cc-option-yn = $(call try-run,\
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$(CC) $(KBUILD_CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",y,n)
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CFLAGS = -Wall -Wstrict-prototypes -Werror -fomit-frame-pointer -fno-builtin
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CFLAGS += -I$(SRC_PATH)
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ifeq ($(call cc-option-yn,-fno-stack-protector),y)
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CFLAGS += -fno-stack-protector
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endif
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build-all: multiboot.bin
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%.o: %.S
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$(CC) $(CFLAGS) -o $@ -c $<
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%.img: %.o
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$(LD) --oformat binary -Ttext 0 -o $@ $<
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2009-07-01 22:08:21 +02:00
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%.bin: %.img
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$(SRC_PATH)/pc-bios/optionrom/signrom.sh $< $@
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2009-06-29 15:37:40 +02:00
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cp $@ $(SRC_PATH)/pc-bios/
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clean:
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2009-07-01 22:08:21 +02:00
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$(RM) *.o *.img *.bin *~
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