--- /dev/null
+diff -Nurp strongswan-2.8.11.orig/linux/include/circ-queue.h strongswan-2.8.11.queue/linux/include/circ-queue.h
+--- strongswan-2.8.11.orig/linux/include/circ-queue.h 1970-01-01 01:00:00.000000000 +0100
++++ strongswan-2.8.11.queue/linux/include/circ-queue.h 2009-12-02 19:11:31.414549616 +0100
+@@ -0,0 +1,131 @@
++/*
++ * Copyright (c) 1991, 1993
++ * The Regents of the University of California. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ * 3. All advertising materials mentioning features or use of this software
++ * must display the following acknowledgement:
++ * This product includes software developed by the University of
++ * California, Berkeley and its contributors.
++ * 4. Neither the name of the University nor the names of its contributors
++ * may be used to endorse or promote products derived from this software
++ * without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
++ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
++ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
++ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
++ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
++ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
++ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
++ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
++ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
++ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
++ * SUCH DAMAGE.
++ *
++ * @(#)queue.h 8.5 (Berkeley) 8/20/94
++ * $FreeBSD: ports/misc/44bsd-more/files/queue.h,v 1.1 2001/01/06 03:41:36 hoek Exp $
++ */
++
++/*
++ * Circular queue definitions.
++ */
++#define CIRCLEQ_HEAD(name, type) \
++struct name { \
++ struct type *cqh_first; /* first element */ \
++ struct type *cqh_last; /* last element */ \
++}
++
++#define CIRCLEQ_ENTRY(type) \
++struct { \
++ struct type *cqe_next; /* next element */ \
++ struct type *cqe_prev; /* previous element */ \
++}
++
++/*
++ * Circular queue functions.
++ */
++#define CIRCLEQ_EMPTY(head) ((head)->cqh_first == (void *)(head))
++
++#define CIRCLEQ_FIRST(head) ((head)->cqh_first)
++
++#define CIRCLEQ_FOREACH(var, head, field) \
++ for((var) = (head)->cqh_first; \
++ (var) != (void *)(head); \
++ (var) = (var)->field.cqe_next)
++
++#define CIRCLEQ_FOREACH_REVERSE(var, head, field) \
++ for((var) = (head)->cqh_last; \
++ (var) != (void *)(head); \
++ (var) = (var)->field.cqe_prev)
++
++#define CIRCLEQ_INIT(head) do { \
++ (head)->cqh_first = (void *)(head); \
++ (head)->cqh_last = (void *)(head); \
++} while (0)
++
++#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do { \
++ (elm)->field.cqe_next = (listelm)->field.cqe_next; \
++ (elm)->field.cqe_prev = (listelm); \
++ if ((listelm)->field.cqe_next == (void *)(head)) \
++ (head)->cqh_last = (elm); \
++ else \
++ (listelm)->field.cqe_next->field.cqe_prev = (elm); \
++ (listelm)->field.cqe_next = (elm); \
++} while (0)
++
++#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do { \
++ (elm)->field.cqe_next = (listelm); \
++ (elm)->field.cqe_prev = (listelm)->field.cqe_prev; \
++ if ((listelm)->field.cqe_prev == (void *)(head)) \
++ (head)->cqh_first = (elm); \
++ else \
++ (listelm)->field.cqe_prev->field.cqe_next = (elm); \
++ (listelm)->field.cqe_prev = (elm); \
++} while (0)
++
++#define CIRCLEQ_INSERT_HEAD(head, elm, field) do { \
++ (elm)->field.cqe_next = (head)->cqh_first; \
++ (elm)->field.cqe_prev = (void *)(head); \
++ if ((head)->cqh_last == (void *)(head)) \
++ (head)->cqh_last = (elm); \
++ else \
++ (head)->cqh_first->field.cqe_prev = (elm); \
++ (head)->cqh_first = (elm); \
++} while (0)
++
++#define CIRCLEQ_INSERT_TAIL(head, elm, field) do { \
++ (elm)->field.cqe_next = (void *)(head); \
++ (elm)->field.cqe_prev = (head)->cqh_last; \
++ if ((head)->cqh_first == (void *)(head)) \
++ (head)->cqh_first = (elm); \
++ else \
++ (head)->cqh_last->field.cqe_next = (elm); \
++ (head)->cqh_last = (elm); \
++} while (0)
++
++#define CIRCLEQ_LAST(head) ((head)->cqh_last)
++
++#define CIRCLEQ_NEXT(elm,field) ((elm)->field.cqe_next)
++
++#define CIRCLEQ_PREV(elm,field) ((elm)->field.cqe_prev)
++
++#define CIRCLEQ_REMOVE(head, elm, field) do { \
++ if ((elm)->field.cqe_next == (void *)(head)) \
++ (head)->cqh_last = (elm)->field.cqe_prev; \
++ else \
++ (elm)->field.cqe_next->field.cqe_prev = \
++ (elm)->field.cqe_prev; \
++ if ((elm)->field.cqe_prev == (void *)(head)) \
++ (head)->cqh_first = (elm)->field.cqe_next; \
++ else \
++ (elm)->field.cqe_prev->field.cqe_next = \
++ (elm)->field.cqe_next; \
++} while (0)
+diff -Nurp strongswan-2.8.11.orig/programs/pluto/connections.h strongswan-2.8.11.queue/programs/pluto/connections.h
+--- strongswan-2.8.11.orig/programs/pluto/connections.h 2007-06-18 20:24:51.000000000 +0200
++++ strongswan-2.8.11.queue/programs/pluto/connections.h 2009-12-02 19:11:02.127064115 +0100
+@@ -18,6 +18,10 @@
+ #define _CONNECTIONS_H
+
+ #include <sys/queue.h>
++/* This handles the 'syntax error before "CIRCLEQ_ENTRY"' */
++#ifndef CIRCLEQ_HEAD
++#include <circ-queue.h>
++#endif
+
+ #include "id.h"
+ #include "certs.h"