fix stack protection detection with Jordan's suggestion
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3478 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -63,8 +63,21 @@ include $(PLATFORM-y) $(BUILD-y)
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INCLUDES := -I./include
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INCLUDES += -I$(shell $(CC) -print-search-dirs | head -n 1 | cut -d' ' -f2)include
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try-run= $(shell set -e; \
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TMP=".$$$$.tmp"; \
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if ($(1)) > /dev/null 2>&1; \
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then echo "$(2)"; \
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else echo "$(3)"; \
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fi; rm -rf "$$TMP")
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cc-option= $(call try-run,\
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$(CC) $(1) -S -xc /dev/null -o "$$TMP", $(1), $(2))
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STACKPROTECT += $(call cc-option, -fno-stack-protector,)
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# TODO: Re-add -Os as soon as we find out why it caused problems.
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CFLAGS := -Wall -Werror -fno-stack-protector -nostdinc $(INCLUDES)
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CFLAGS := -Wall -Werror $(STACKPROTECT) -nostdinc $(INCLUDES)
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lib: lib/libpayload.a lib/$(ARCHDIR-y)/head.o
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