From 85c7aec73ea37136a158fd7fd98249ddedaffba5 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Thu, 7 Aug 2008 15:28:31 +0000 Subject: fix stack protection detection with Jordan's suggestion Signed-off-by: Stefan Reinauer Acked-by: Stefan Reinauer git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3478 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- payloads/libpayload/Makefile | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'payloads/libpayload/Makefile') diff --git a/payloads/libpayload/Makefile b/payloads/libpayload/Makefile index 8c6d14871c..04ebbb0195 100644 --- a/payloads/libpayload/Makefile +++ b/payloads/libpayload/Makefile @@ -63,8 +63,21 @@ include $(PLATFORM-y) $(BUILD-y) INCLUDES := -I./include INCLUDES += -I$(shell $(CC) -print-search-dirs | head -n 1 | cut -d' ' -f2)include + +try-run= $(shell set -e; \ +TMP=".$$$$.tmp"; \ +if ($(1)) > /dev/null 2>&1; \ +then echo "$(2)"; \ +else echo "$(3)"; \ +fi; rm -rf "$$TMP") + +cc-option= $(call try-run,\ +$(CC) $(1) -S -xc /dev/null -o "$$TMP", $(1), $(2)) + +STACKPROTECT += $(call cc-option, -fno-stack-protector,) + # TODO: Re-add -Os as soon as we find out why it caused problems. -CFLAGS := -Wall -Werror -fno-stack-protector -nostdinc $(INCLUDES) +CFLAGS := -Wall -Werror $(STACKPROTECT) -nostdinc $(INCLUDES) lib: lib/libpayload.a lib/$(ARCHDIR-y)/head.o -- cgit v1.2.3