[Xen-devel] [PATCH] x86-64/EFI: add -fno-stack-protector to EFI build

[Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>]

Otherwise, the build fails due to a missing __stack_chk_fail symbol.

Signed-off-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
---
 xen/arch/x86/efi/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/efi/Makefile b/xen/arch/x86/efi/Makefile
index 005e3e0..b727757 100644
--- a/xen/arch/x86/efi/Makefile
+++ b/xen/arch/x86/efi/Makefile
@@ -1,11 +1,11 @@
-CFLAGS += -fshort-wchar
+CFLAGS += -fshort-wchar -fno-stack-protector
 
 obj-y += stub.o
 
 create = test -e $(1) || touch -t 199901010000 $(1)
 
 efi := $(filter y,$(x86_64)$(shell rm -f disabled))
-efi := $(if $(efi),$(shell $(CC) -c -Werror check.c 2>disabled && echo y))
+efi := $(if $(efi),$(shell $(CC) -fno-stack-protector -c -Werror check.c 
2>disabled && echo y))
 efi := $(if $(efi),$(shell $(LD) -mi386pep --subsystem=10 -o check.efi check.o 
2>disabled && echo y))
 efi := $(if $(efi),$(shell rm disabled)y,$(shell $(call create,boot.init.o); 
$(call create,runtime.o)))
 
-- 
1.7.11.2


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