Revision 3c87f43b pc-bios/optionrom/Makefile
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VPATH=$(SRC_PATH)/pc-bios/optionrom |
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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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CPPFLAGS = -Wall -Wstrict-prototypes -Werror -fomit-frame-pointer -fno-builtin |
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CPPFLAGS += -I$(SRC_PATH) |
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ifeq ($(call cc-option-yn,-fno-stack-protector),y) |
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CPPFLAGS += -fno-stack-protector |
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endif |
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CPPFLAGS += $(call cc-option, $(CFLAGS), -fno-stack-protector,"") |
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build-all: multiboot.bin |
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