- protect Xen's stdarg.h from multiple inclusion.

- build fix for stdarg under NetBSD.

Both backported from upstream. Seems to be needed to build pkg under 5.99.x

http://xenbits.xensource.com/hg/xen-unstable.hg/file/a574bf2f5059/xen/include/xen/stdarg.h

sysutils/xenkernel3/distinfo

@@ -1,10 +1,11 @@
-$NetBSD: distinfo,v 1.13 2011/03/24 12:43:53 drochner Exp $
+$NetBSD: distinfo,v 1.14 2011/07/19 18:53:53 jym Exp $
 
 SHA1 (xen-3.1.4.tar.gz) = 0d784662776239195df10b3f29d40350f9d0644d
 RMD160 (xen-3.1.4.tar.gz) = c02ad2bd64e6306b127a4f37a8aa370dadc11859
 Size (xen-3.1.4.tar.gz) = 6894493 bytes
 SHA1 (patch-aa) = 1be644e7edd3735c2850d3e581002f53bd50eb59
 SHA1 (patch-ac) = 4c237984832ef5532e0451845e8075b95744e48d
+SHA1 (patch-ae) = 37b1c8d6cc66983d971fe41654cc8cefde87104a
 SHA1 (patch-ba) = cadfa6f2626e95c9ccb85ae7e3a8a7f318ea343f
 SHA1 (patch-bb) = 7338e5a512c909d4b043654dab882761de274f94
 SHA1 (patch-bc) = fa35699da6ad2a4950418a02432c2ccdb5d34844

sysutils/xenkernel3/patches/patch-ae

@@ -0,0 +1,25 @@
+$NetBSD: patch-ae,v 1.3 2011/07/19 18:53:54 jym Exp $
+- protect Xen's stdarg.h from multiple inclusion.
+- build fix for stdarg under NetBSD.
+
+Both backported from upstream.
+
+http://xenbits.xensource.com/hg/xen-unstable.hg/file/a574bf2f5059/xen/include/xen/stdarg.h
+--- xen/include/xen/stdarg.h.orig	2009-08-06 12:56:43.000000000 +0000
++++ xen/include/xen/stdarg.h
+@@ -1,5 +1,15 @@
++#ifndef __XEN_STDARG_H__
++#define __XEN_STDARG_H__
++
+ #if defined(__OpenBSD__)
+ #  include "/usr/include/stdarg.h"
++#elif defined (__NetBSD__)
++   typedef __builtin_va_list va_list;
++#  define va_start(ap, last)    __builtin_stdarg_start((ap), (last))
++#  define va_end(ap)            __builtin_va_end(ap)
++#  define va_arg                __builtin_va_arg
+ #else
+ #  include <stdarg.h>
+ #endif
++
++#endif /* __XEN_STDARG_H__ */