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Up to [Qemu by Fabrice Bellard] / qemu / pc-bios / optionrom

Annotation of qemu/pc-bios/optionrom/Makefile, revision 1.1.1.1

1.1       root        1: all: build-all
                      2: # Dummy command so that make thinks it has done something
                      3:        @true
                      4: 
                      5: include ../../config-host.mak
                      6: 
                      7: VPATH=$(SRC_PATH)/pc-bios/optionrom
                      8: 
                      9: # from kernel sources - scripts/Kbuild.include
                     10: # try-run
                     11: # Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
                     12: # Exit code chooses option. "$$TMP" is can be used as temporary file and
                     13: # is automatically cleaned up.
                     14: try-run = $(shell set -e;              \
                     15:        TMP="$(TMPOUT).$$$$.tmp";       \
                     16:        if ($(1)) >/dev/null 2>&1;      \
                     17:        then echo "$(2)";               \
                     18:        else echo "$(3)";               \
                     19:        fi;                             \
                     20:        rm -f "$$TMP")
                     21: 
                     22: # cc-option-yn
                     23: # Usage: flag := $(call cc-option-yn,-march=winchip-c6)
                     24: cc-option-yn = $(call try-run,\
                     25:        $(CC) $(KBUILD_CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",y,n)
                     26: 
                     27: CFLAGS = -Wall -Wstrict-prototypes -Werror -fomit-frame-pointer -fno-builtin
                     28: CFLAGS += -I$(SRC_PATH)
                     29: ifeq ($(call cc-option-yn,-fno-stack-protector),y)
                     30: CFLAGS += -fno-stack-protector
                     31: endif
                     32: 
                     33: build-all: multiboot.bin
                     34: 
                     35: %.o: %.S
                     36:        $(CC) $(CFLAGS) -o $@ -c $<
                     37: 
                     38: %.img: %.o
                     39:        $(LD) -Ttext 0 -e _start -s -o $@ $<
                     40: 
                     41: %.raw: %.img
                     42:        $(OBJCOPY) -O binary -j .text $< $@
                     43: 
                     44: %.bin: %.raw
                     45:        $(SRC_PATH)/pc-bios/optionrom/signrom.sh $< $@
                     46: 
                     47: clean:
                     48:        $(RM) *.o *.img *.bin *~

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