The cc-option is originally from Linux.
Regards,
Anthony Liguori
Subject: [PATCH] Disable stack protector in test suite
Some distros (like Ubuntu) enable GCC's stack protector by default. The
stack protector requires symbols in libgcc so since we're not linking against
libgcc, we need to disable the stack protector.
Signed-off-by: Anthony Liguori <[EMAIL PROTECTED]>
Index: userspace-1/user/Makefile
===================================================================
--- userspace-1.orig/user/Makefile 2007-05-17 11:11:21.848860976 -0500
+++ userspace-1/user/Makefile 2007-05-17 11:14:12.295949080 -0500
@@ -1,8 +1,17 @@
include config.mak
+# cc-option
+# Usage: OP_CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
+
+cc-option = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null \
+ > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
+
CFLAGS = -I $(KERNELDIR)/include $(autodepend-flags) -g -fomit-frame-pointer \
-Wall -m$(bits)
+CFLAGS += $(call cc-option, -fno-stack-protector, "")
+CFLAGS += $(call cc-option, -fno-stack-protector-all, "")
+
CXXFLAGS = $(autodepend-flags)
autodepend-flags = -MMD -MF $(dir $*).$(notdir $*).d
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