diff --git a/security/libprelude/libprelude-1.0.0-gcc46-stddef.h.patch b/security/libprelude/libprelude-1.0.0-gcc46-stddef.h.patch
new file mode 100644
index 000000000..a68c8cad6
--- /dev/null
+++ b/security/libprelude/libprelude-1.0.0-gcc46-stddef.h.patch
@@ -0,0 +1,27 @@
+# --- SDE-COPYRIGHT-NOTE-BEGIN ---
+# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
+#
+# Filename: package/.../libprelude/libprelude-1.0.0-gcc46-stddef.h.patch
+# Copyright (C) 2012 The OpenSDE Project
+#
+# More information can be found in the files COPYING and README.
+#
+# This patch file is dual-licensed. It is available under the license the
+# patched project is licensed under, as long as it is an OpenSource license
+# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
+# of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+# --- SDE-COPYRIGHT-NOTE-END ---
+
+--- libprelude-1.0.0/bindings/c++/include/prelude.hxx.orig	2012-05-08 22:31:03.914693163 +0200
++++ libprelude-1.0.0/bindings/c++/include/prelude.hxx	2012-05-08 22:34:11.680959147 +0200
+@@ -26,6 +26,8 @@
+ #ifndef _LIBPRELUDE_PRELUDE_HXX
+ #define _LIBPRELUDE_PRELUDE_HXX
+ 
++#include <stddef.h>
++
+ #include "prelude-client.hxx"
+ #include "prelude-client-easy.hxx"
+ #include "prelude-connection.hxx"