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 <aliguori-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>

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