root / pc-bios / optionrom / Makefile @ 89e671e3
History | View | Annotate | Download (1.1 kB)
| 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 |
|
| 40 |
%.bin: %.img |
| 41 |
$(SRC_PATH)/pc-bios/optionrom/signrom.sh $< $@ |
| 42 |
cp $@ $(SRC_PATH)/pc-bios/ |
| 43 |
|
| 44 |
clean: |
| 45 |
$(RM) *.o *.img *.bin *~ |