From: Anthony Liguori <aliguori-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: kvm-devel <kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: [PATCH] Disable stack protector in test suite
Date: Thu, 17 May 2007 11:26:01 -0500 [thread overview]
Message-ID: <464C8219.80100@us.ibm.com> (raw)
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The cc-option is originally from Linux.
Regards,
Anthony Liguori
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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
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next reply other threads:[~2007-05-17 16:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-17 16:26 Anthony Liguori [this message]
[not found] ` <464C8219.80100-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-17 16:30 ` [PATCH] Disable stack protector in test suite Avi Kivity
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