diff --git a/gnu-efi-allow-external-stdarg.patch b/gnu-efi-allow-external-stdarg.patch
new file mode 100644
index 0000000..8400952
--- /dev/null
+++ b/gnu-efi-allow-external-stdarg.patch
@@ -0,0 +1,42 @@
+From 6c10e225bc759d69af520a551b9d7b37f3ae0a82 Mon Sep 17 00:00:00 2001
+From: Nigel Croxon <nigel.croxon@hp.com>
+Date: Mon, 25 Aug 2014 08:51:23 -0400
+Subject: [PATCH] From: David Decotigny <decot@googlers.com> Date: Thu, 31 Jul
+ 2014 18:19:16 -0700 Subject: [PATCH 5/5] allow to use external stdarg.h
+
+in cases we use gnu-efi together with other libs that define stdarg.h,
+break the tie by telling gnu-efi to use that stdarg.h .
+
+Signed-off-by: David Decotigny <decot@googlers.com>
+Signed-off-by: Nigel Croxon <nigel.croxon@hp.com>
+---
+ gnu-efi-3.0/inc/efistdarg.h | 13 +++++++++----
+ 1 file changed, 9 insertions(+), 4 deletions(-)
+
+diff --git a/gnu-efi-3.0/inc/efistdarg.h b/gnu-efi-3.0/inc/efistdarg.h
+index 440f9cd..bb04b31 100644
+--- a/gnu-efi-3.0/inc/efistdarg.h
++++ b/gnu-efi-3.0/inc/efistdarg.h
+@@ -19,10 +19,15 @@ Revision History
+ 
+ --*/
+ 
++#ifndef GNU_EFI_USE_EXTERNAL_STDARG
+ typedef __builtin_va_list va_list;
+ 
+-#define va_start(v,l)	__builtin_va_start(v,l)
+-#define va_end(v)	__builtin_va_end(v)
+-#define va_arg(v,l)	__builtin_va_arg(v,l)
+-#define va_copy(d,s)	__builtin_va_copy(d,s)
++# define va_start(v,l)	__builtin_va_start(v,l)
++# define va_end(v)	__builtin_va_end(v)
++# define va_arg(v,l)	__builtin_va_arg(v,l)
++# define va_copy(d,s)	__builtin_va_copy(d,s)
++#else
++# include <stdarg.h>
++#endif
++
+ #endif
+-- 
+1.8.4.5
+
diff --git a/gnu-efi.changes b/gnu-efi.changes
index ac8f4a3..fd34d65 100644
--- a/gnu-efi.changes
+++ b/gnu-efi.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Sep 26 02:41:54 UTC 2014 - glin@suse.com
+
+- Add gnu-efi-allow-external-stdarg.patch to allow the EFI programs
+  such as shim to use the external stdarg.h
+
 -------------------------------------------------------------------
 Mon Sep 22 08:56:19 UTC 2014 - glin@suse.com
 
diff --git a/gnu-efi.spec b/gnu-efi.spec
index ea42235..bfa1c56 100644
--- a/gnu-efi.spec
+++ b/gnu-efi.spec
@@ -26,6 +26,7 @@ Url:            http://sourceforge.net/projects/gnu-efi
 Source:         http://downloads.sourceforge.net/gnu-efi/gnu-efi_3.0w.orig.tar.gz
 Source1:        %{name}-rpmlintrc
 Patch1:         %{name}-build-fix.patch
+Patch2:         %{name}-allow-external-stdarg.patch
 BuildRequires:  kernel-source
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 ExclusiveArch:  ia64 %ix86 x86_64 aarch64
@@ -43,6 +44,7 @@ Authors:
 %prep
 %setup -q -n gnu-efi-3.0
 %patch1 -p1
+%patch2 -p2
 
 %build
 ##########################