ifconfig/wlan, expat, lib80211: Port to RTEMS.

10 files changed, 192 insertions, 26 deletions

diff --git a/builder.py b/builder.py
index 29a6b49e..736d129c 100755
--- a/builder.py
+++ b/builder.py
@@ -176,6 +176,7 @@ def includes():
             '-Ifreebsd/sys/contrib/pf',
             '-Ifreebsd/sys/net',
             '-Ifreebsd/include',
+            '-Ifreebsd/lib',
             '-Ifreebsd/lib/libc/include',
             '-Ifreebsd/lib/libc/isc/include',
             '-Ifreebsd/lib/libc/resolv',
@@ -183,6 +184,7 @@ def includes():
             '-Ifreebsd/lib/libkvm',
             '-Ifreebsd/lib/libmemstat',
             '-Ifreebsd/lib/libipsec',
+            '-Ifreebsd/contrib/expat/lib',
             '-Ifreebsd/contrib/libpcap',
             '-Ifreebsd/contrib/libxo',
             '-Irtemsbsd/sys',
diff --git a/freebsd/lib/lib80211/lib80211_regdomain.c b/freebsd/lib/lib80211/lib80211_regdomain.c
index 0c183da3..a771d25d 100644
--- a/freebsd/lib/lib80211/lib80211_regdomain.c
+++ b/freebsd/lib/lib80211/lib80211_regdomain.c
@@ -28,6 +28,15 @@
 static const char rcsid[] = "$FreeBSD$";
 #endif /* not lint */
 
+#ifdef __rtems__
+/* We need some functions from kernel name space */
+#define sbuf_bcat	_bsd_sbuf_bcat
+#define sbuf_finish	_bsd_sbuf_finish
+#define sbuf_data	_bsd_sbuf_data
+#define sbuf_len	_bsd_sbuf_len
+#define sbuf_delete	_bsd_sbuf_delete
+#define sbuf_new	_bsd_sbuf_new
+#endif /* __rtems__ */
 #include <sys/types.h>
 #include <rtems/bsd/sys/errno.h>
 #include <rtems/bsd/sys/param.h>
diff --git a/freebsd/sbin/ifconfig/ifconfig.c b/freebsd/sbin/ifconfig/ifconfig.c
index ad199be8..5f328994 100644
--- a/freebsd/sbin/ifconfig/ifconfig.c
+++ b/freebsd/sbin/ifconfig/ifconfig.c
@@ -382,6 +382,7 @@ mainwrapper(int argc, char *argv[])
 	gre_ctor();
 	group_ctor();
 	ifmedia_ctor();
+	ieee80211_ctor();
 	inet6_ctor();
 	inet_ctor();
 	lagg_ctor();
diff --git a/freebsd/sbin/ifconfig/ifieee80211.c b/freebsd/sbin/ifconfig/ifieee80211.c
index 13406f36..3dcd926e 100644
--- a/freebsd/sbin/ifconfig/ifieee80211.c
+++ b/freebsd/sbin/ifconfig/ifieee80211.c
@@ -1,5 +1,9 @@
 #include <machine/rtems-bsd-user-space.h>
 
+#ifdef __rtems__
+#include "rtems-bsd-ifconfig-namespace.h"
+#endif /* __rtems__ */
+
 /*
  * Copyright 2001 The Aerospace Corporation.  All rights reserved.
  *
@@ -59,6 +63,9 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
+#ifdef __rtems__
+#include <machine/rtems-bsd-program.h>
+#endif /* __rtems__ */
 #include <rtems/bsd/sys/param.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
@@ -95,6 +102,9 @@
 
 #include <lib80211/lib80211_regdomain.h>
 #include <lib80211/lib80211_ioctl.h>
+#ifdef __rtems__
+#include "rtems-bsd-ifconfig-ifieee80211-data.h"
+#endif /* __rtems__ */
 
 #ifndef IEEE80211_FIXED_RATE_NONE
 #define	IEEE80211_FIXED_RATE_NONE	0xff
@@ -3448,7 +3458,11 @@ printmimo(const struct ieee80211_mimo_info *mi)
 static void
 list_scan(int s)
 {
+#ifndef __rtems__
 	uint8_t buf[24*1024];
+#else /* __rtems__ */
+	static uint8_t buf[24*1024];
+#endif /* __rtems__ */
 	char ssid[IEEE80211_NWID_LEN+1];
 	const uint8_t *cp;
 	int len, ssidmax, idlen;
@@ -5693,7 +5707,11 @@ static struct afswtch af_ieee80211 = {
 	.af_other_status = ieee80211_status,
 };
 
+#ifndef __rtems__
 static __constructor void
+#else /* __rtems__ */
+void
+#endif /* __rtems__ */
 ieee80211_ctor(void)
 {
 	int i;
diff --git a/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-data.h b/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-data.h
index d5d6f294..76ba3e90 100644
--- a/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-data.h
+++ b/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-data.h
@@ -7,11 +7,11 @@
 /* ifbridge.c */
 /* ifclone.c */
 /* ifconfig.c */
-RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern int setaddr);
 RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern struct ifreq ifr);
 RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern char name[16]);
 RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern char *descr);
 RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern size_t descrlen);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern int setaddr);
 RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern int setmask);
 RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern int doalias);
 RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern int clearaddr);
@@ -28,6 +28,7 @@ RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern char *f_addr);
 /* ifgif.c */
 /* ifgre.c */
 /* ifgroup.c */
+/* ifieee80211.c */
 /* iflagg.c */
 RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, extern char lacpbuf[120]);
 /* ifmac.c */
diff --git a/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-ifieee80211-data.h b/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-ifieee80211-data.h
new file mode 100644
index 00000000..12e0ee62
--- /dev/null
+++ b/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-ifieee80211-data.h
@@ -0,0 +1,24 @@
+/* generated by userspace-header-gen.py */
+#include <rtems/linkersets.h>
+#include "rtems-bsd-ifconfig-data.h"
+/* ifieee80211.c */
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static int col);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static char spacer);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static char const *modename[14]);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static struct ieee80211req_chaninfo *chaninfo);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static struct ieee80211_regdomain regdomain);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static int gotregdomain);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static struct ieee80211_roamparams_req roamparams);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static int gotroam);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static struct ieee80211_txparams_req txparams);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static int gottxparams);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static struct ieee80211_channel curchan);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static int gotcurchan);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static struct ifmediareq *ifmr);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static int htconf);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static int gothtconf);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static struct ieee80211_clone_params params);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static struct cmd ieee80211_cmds[177]);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static struct afswtch af_ieee80211);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static int vhtconf);
+RTEMS_LINKER_RWSET_CONTENT(bsd_prog_ifconfig, static int gotvhtconf);
diff --git a/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-namespace.h b/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-namespace.h
index 5bf653b8..f9d16334 100644
--- a/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-namespace.h
+++ b/freebsd/sbin/ifconfig/rtems-bsd-ifconfig-namespace.h
@@ -15,11 +15,11 @@
 #define clone_ctor _bsd_ifconfig_clone_ctor
 #define clone_setdefcallback _bsd_ifconfig_clone_setdefcallback
 /* ifconfig.c */
-#define setaddr _bsd_ifconfig_setaddr
 #define ifr _bsd_ifconfig_ifr
 #define name _bsd_ifconfig_name
 #define descr _bsd_ifconfig_descr
 #define descrlen _bsd_ifconfig_descrlen
+#define setaddr _bsd_ifconfig_setaddr
 #define setmask _bsd_ifconfig_setmask
 #define doalias _bsd_ifconfig_doalias
 #define clearaddr _bsd_ifconfig_clearaddr
@@ -49,6 +49,8 @@
 #define gre_ctor _bsd_ifconfig_gre_ctor
 /* ifgroup.c */
 #define group_ctor _bsd_ifconfig_group_ctor
+/* ifieee80211.c */
+#define ieee80211_ctor _bsd_ifconfig_ieee80211_ctor
 /* iflagg.c */
 #define lacpbuf _bsd_ifconfig_lacpbuf
 #define lagg_ctor _bsd_ifconfig_lagg_ctor
diff --git a/libbsd.py b/libbsd.py
index 880ba0da..7f484051 100755
--- a/libbsd.py
+++ b/libbsd.py
@@ -1945,6 +1945,8 @@ def user_space(mm):
             'include/rpcsvc/ypclnt.h',
             'include/rpcsvc/yp_prot.h',
             'include/sysexits.h',
+            'lib/lib80211/lib80211_ioctl.h',
+            'lib/lib80211/lib80211_regdomain.h',
             'lib/libc/db/btree/btree.h',
             'lib/libc/db/btree/extern.h',
             'lib/libc/db/recno/extern.h',
@@ -2040,6 +2042,8 @@ def user_space(mm):
             'bin/hostname/hostname.c',
             'contrib/libxo/libxo/libxo.c',
             'contrib/libxo/libxo/xo_encoder.c',
+            'lib/lib80211/lib80211_ioctl.c',
+            'lib/lib80211/lib80211_regdomain.c',
             'lib/libc/gen/err.c',
             'lib/libc/gen/feature_present.c',
             'lib/libc/gen/getdomainname.c',
@@ -2220,6 +2224,7 @@ def user_space(mm):
             'sbin/ifconfig/ifgif.c',
             'sbin/ifconfig/ifgre.c',
             'sbin/ifconfig/ifgroup.c',
+            'sbin/ifconfig/ifieee80211.c',
             'sbin/ifconfig/iflagg.c',
             'sbin/ifconfig/ifmac.c',
             'sbin/ifconfig/ifmedia.c',
@@ -2262,6 +2267,45 @@ def user_space(mm):
     return mod
 
 #
+# Contrib expat
+#
+def contrib_expat(mm):
+    mod = builder.Module('contrib_expat')
+    cflags = ['-DHAVE_MEMMOVE=1']
+    mod.addRTEMSHeaderFiles(
+        [
+            'include/bsdxml.h',
+        ]
+    )
+    mod.addUserSpaceHeaderFiles(
+        [
+            'contrib/expat/lib/ascii.h',
+            'contrib/expat/lib/asciitab.h',
+            'contrib/expat/lib/expat_external.h',
+            'contrib/expat/lib/expat.h',
+            'contrib/expat/lib/iasciitab.h',
+            'contrib/expat/lib/internal.h',
+            'contrib/expat/lib/latin1tab.h',
+            'contrib/expat/lib/nametab.h',
+            'contrib/expat/lib/utf8tab.h',
+            'contrib/expat/lib/xmlrole.h',
+            'contrib/expat/lib/xmltok.h',
+            'contrib/expat/lib/xmltok_impl.h',
+        ]
+    )
+    mod.addUserSpaceSourceFiles(
+        [
+            'contrib/expat/lib/xmlparse.c',
+            'contrib/expat/lib/xmlrole.c',
+            'contrib/expat/lib/xmltok.c',
+            'contrib/expat/lib/xmltok_impl.c',
+            'contrib/expat/lib/xmltok_ns.c',
+        ],
+        mm.generator['source'](cflags)
+    )
+    return mod
+
+#
 # Contrib libpcap
 #
 def contrib_libpcap(mm):
@@ -2830,6 +2874,7 @@ def sources(mm):
     mm.addModule(in_cksum(mm))
 
     mm.addModule(user_space(mm))
+    mm.addModule(contrib_expat(mm))
     mm.addModule(contrib_libpcap(mm))
     mm.addModule(usr_sbin_tcpdump(mm))
 
diff --git a/libbsd_waf.py b/libbsd_waf.py
index 6b49271e..ae3ea994 100644
--- a/libbsd_waf.py
+++ b/libbsd_waf.py
@@ -66,6 +66,7 @@ def build(bld):
     includes += ["freebsd/sys/contrib/pf"]
     includes += ["freebsd/sys/net"]
     includes += ["freebsd/include"]
+    includes += ["freebsd/lib"]
     includes += ["freebsd/lib/libc/include"]
     includes += ["freebsd/lib/libc/isc/include"]
     includes += ["freebsd/lib/libc/resolv"]
@@ -73,6 +74,7 @@ def build(bld):
     includes += ["freebsd/lib/libkvm"]
     includes += ["freebsd/lib/libmemstat"]
     includes += ["freebsd/lib/libipsec"]
+    includes += ["freebsd/contrib/expat/lib"]
     includes += ["freebsd/contrib/libpcap"]
     includes += ["freebsd/contrib/libxo"]
     includes += ["rtemsbsd/sys"]
@@ -230,9 +232,24 @@ def build(bld):
     libbsd_use += ["yacc_pfctly"]
 
     # Objects built with different CFLAGS
-    objs01_source = ['freebsd/bin/hostname/hostname.c',
+    objs01_source = ['freebsd/contrib/expat/lib/xmlparse.c',
+                     'freebsd/contrib/expat/lib/xmlrole.c',
+                     'freebsd/contrib/expat/lib/xmltok.c',
+                     'freebsd/contrib/expat/lib/xmltok_impl.c',
+                     'freebsd/contrib/expat/lib/xmltok_ns.c']
+    bld.objects(target = "objs01",
+                features = "c",
+                cflags = cflags,
+                includes = [] + includes,
+                defines = defines + ['HAVE_MEMMOVE=1'],
+                source = objs01_source)
+    libbsd_use += ["objs01"]
+
+    objs02_source = ['freebsd/bin/hostname/hostname.c',
                      'freebsd/contrib/libxo/libxo/libxo.c',
                      'freebsd/contrib/libxo/libxo/xo_encoder.c',
+                     'freebsd/lib/lib80211/lib80211_ioctl.c',
+                     'freebsd/lib/lib80211/lib80211_regdomain.c',
                      'freebsd/lib/libc/gen/err.c',
                      'freebsd/lib/libc/gen/feature_present.c',
                      'freebsd/lib/libc/gen/getdomainname.c',
@@ -413,6 +430,7 @@ def build(bld):
                      'freebsd/sbin/ifconfig/ifgif.c',
                      'freebsd/sbin/ifconfig/ifgre.c',
                      'freebsd/sbin/ifconfig/ifgroup.c',
+                     'freebsd/sbin/ifconfig/ifieee80211.c',
                      'freebsd/sbin/ifconfig/iflagg.c',
                      'freebsd/sbin/ifconfig/ifmac.c',
                      'freebsd/sbin/ifconfig/ifmedia.c',
@@ -449,24 +467,24 @@ def build(bld):
                      'freebsd/usr.bin/netstat/unix.c',
                      'freebsd/usr.bin/vmstat/vmstat.c',
                      'freebsd/usr.sbin/arp/arp.c']
-    bld.objects(target = "objs01",
+    bld.objects(target = "objs02",
                 features = "c",
                 cflags = cflags,
                 includes = [] + includes,
                 defines = defines + ['INET', 'INET6'],
-                source = objs01_source)
-    libbsd_use += ["objs01"]
+                source = objs02_source)
+    libbsd_use += ["objs02"]
 
-    objs02_source = ['rtemsbsd/mghttpd/mongoose.c']
-    bld.objects(target = "objs02",
+    objs03_source = ['rtemsbsd/mghttpd/mongoose.c']
+    bld.objects(target = "objs03",
                 features = "c",
                 cflags = cflags,
                 includes = [] + includes,
                 defines = defines + ['NO_CGI', 'NO_POPEN', 'NO_SSL', 'USE_WEBSOCKET'],
-                source = objs02_source)
-    libbsd_use += ["objs02"]
+                source = objs03_source)
+    libbsd_use += ["objs03"]
 
-    objs03_source = ['freebsd/lib/libc/db/btree/bt_close.c',
+    objs04_source = ['freebsd/lib/libc/db/btree/bt_close.c',
                      'freebsd/lib/libc/db/btree/bt_conv.c',
                      'freebsd/lib/libc/db/btree/bt_debug.c',
                      'freebsd/lib/libc/db/btree/bt_delete.c',
@@ -490,15 +508,15 @@ def build(bld):
                      'freebsd/lib/libc/db/recno/rec_search.c',
                      'freebsd/lib/libc/db/recno/rec_seq.c',
                      'freebsd/lib/libc/db/recno/rec_utils.c']
-    bld.objects(target = "objs03",
+    bld.objects(target = "objs04",
                 features = "c",
                 cflags = cflags,
                 includes = [] + includes,
                 defines = defines + ['INET6', '__DBINTERFACE_PRIVATE'],
-                source = objs03_source)
-    libbsd_use += ["objs03"]
+                source = objs04_source)
+    libbsd_use += ["objs04"]
 
-    objs04_source = ['dhcpcd/arp.c',
+    objs05_source = ['dhcpcd/arp.c',
                      'dhcpcd/auth.c',
                      'dhcpcd/bpf.c',
                      'dhcpcd/common.c',
@@ -520,15 +538,15 @@ def build(bld):
                      'dhcpcd/ipv6nd.c',
                      'dhcpcd/net.c',
                      'dhcpcd/platform-bsd.c']
-    bld.objects(target = "objs04",
+    bld.objects(target = "objs05",
                 features = "c",
                 cflags = cflags,
                 includes = [] + includes,
                 defines = defines + ['INET', 'INET6', 'MASTER_ONLY', 'THERE_IS_NO_FORK', '__FreeBSD__'],
-                source = objs04_source)
-    libbsd_use += ["objs04"]
+                source = objs05_source)
+    libbsd_use += ["objs05"]
 
-    objs05_source = ['freebsd/contrib/libpcap/bpf_image.c',
+    objs06_source = ['freebsd/contrib/libpcap/bpf_image.c',
                      'freebsd/contrib/libpcap/etherent.c',
                      'freebsd/contrib/libpcap/fad-getad.c',
                      'freebsd/contrib/libpcap/gencode.c',
@@ -541,15 +559,15 @@ def build(bld):
                      'freebsd/contrib/libpcap/savefile.c',
                      'freebsd/contrib/libpcap/sf-pcap-ng.c',
                      'freebsd/contrib/libpcap/sf-pcap.c']
-    bld.objects(target = "objs05",
+    bld.objects(target = "objs06",
                 features = "c",
                 cflags = cflags,
                 includes = [] + includes,
                 defines = defines + ['BSD=1', 'HAVE_INTTYPES=1', 'HAVE_LIMITS_H=1', 'HAVE_NET_IF_MEDIA_H=1', 'HAVE_SNPRINTF=1', 'HAVE_SOCKADDR_SA_LEN=1', 'HAVE_STDINT=1', 'HAVE_STRERROR=1', 'HAVE_STRLCPY=1', 'HAVE_SYS_IOCCOM_H=1', 'HAVE_VSNPRINTF=1', 'INET6', '_U_=__attribute__((unused))', '__FreeBSD__=1'],
-                source = objs05_source)
-    libbsd_use += ["objs05"]
+                source = objs06_source)
+    libbsd_use += ["objs06"]
 
-    objs06_source = ['freebsd/contrib/tcpdump/addrtoname.c',
+    objs07_source = ['freebsd/contrib/tcpdump/addrtoname.c',
                      'freebsd/contrib/tcpdump/af.c',
                      'freebsd/contrib/tcpdump/bpf_dump.c',
                      'freebsd/contrib/tcpdump/checksum.c',
@@ -692,13 +710,13 @@ def build(bld):
                      'freebsd/contrib/tcpdump/smbutil.c',
                      'freebsd/contrib/tcpdump/tcpdump.c',
                      'freebsd/contrib/tcpdump/util.c']
-    bld.objects(target = "objs06",
+    bld.objects(target = "objs07",
                 features = "c",
                 cflags = cflags,
                 includes = ['freebsd/contrib/tcpdump', 'freebsd/usr.sbin/tcpdump/tcpdump'] + includes,
                 defines = defines + ['HAVE_CONFIG_H=1', 'HAVE_NET_PFVAR_H=1', 'INET6', '_U_=__attribute__((unused))', '__FreeBSD__=1'],
-                source = objs06_source)
-    libbsd_use += ["objs06"]
+                source = objs07_source)
+    libbsd_use += ["objs07"]
 
     source = ['freebsd/sys/arm/xilinx/zy7_slcr.c',
               'freebsd/sys/cam/cam.c',
diff --git a/rtemsbsd/include/bsdxml.h b/rtemsbsd/include/bsdxml.h
new file mode 100644
index 00000000..a5627559
--- /dev/null
+++ b/rtemsbsd/include/bsdxml.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef BSDXML_H
+#define BSDXML_H
+
+/*
+ * Note: On FreeBSD the bsdxml.h is generated out of the expat.h using some
+ * source manipulations. See freebsd-org/lib/libexpat/Makefile for more details.
+ */
+
+#ifdef __VMS
+#error FIXME __VMS should not be defined here.
+#endif /* __VMS */
+
+#include <expat.h>
+
+#endif /* BSDXML_H */