* [PATCH] Disable stack protector in test suite
@ 2007-05-17 16:26 Anthony Liguori
[not found] ` <464C8219.80100-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Anthony Liguori @ 2007-05-17 16:26 UTC (permalink / raw)
To: kvm-devel
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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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* Re: [PATCH] Disable stack protector in test suite
[not found] ` <464C8219.80100-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
@ 2007-05-17 16:30 ` Avi Kivity
0 siblings, 0 replies; 2+ messages in thread
From: Avi Kivity @ 2007-05-17 16:30 UTC (permalink / raw)
To: Anthony Liguori; +Cc: kvm-devel
Anthony Liguori wrote:
> The cc-option is originally from Linux.
Applied, thanks.
--
error compiling committee.c: too many arguments to function
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2007-05-17 16:26 [PATCH] Disable stack protector in test suite Anthony Liguori
[not found] ` <464C8219.80100-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2007-05-17 16:30 ` Avi Kivity
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