lwip: Add LwIP-based TCP/IP translator

* Makefile (prog-subdirs): Add lwip.
* config.make.in (HAVE_LIBLWIP, liblwip_CFLAGS, liblwip_LIBS): Define
variables.
* configure.ac: Check for liblwip.
* lwip/: New directory.

1 files changed, 26 insertions, 0 deletions

diff --git a/lwip/startup.h b/lwip/startup.h
new file mode 100644
index 00000000..0c197bf0
--- /dev/null
+++ b/lwip/startup.h
@@ -0,0 +1,26 @@
+/*
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   Written by Michael I. Bushnell, p/BSG.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with the GNU Hurd.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef LWIP_STARTUP_H
+#define LWIP_STARTUP_H
+
+void arrange_shutdown_notification ();
+
+#endif /* LWIP_STARTUP_H */