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diff --git a/archival/libunarchive/lzo1x_1.c b/archival/libunarchive/lzo1x_1.c
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+/* LZO1X-1 compression
+
+ This file is part of the LZO real-time data compression library.
+
+ Copyright (C) 1996..2008 Markus Franz Xaver Johannes Oberhumer
+ All Rights Reserved.
+
+ Markus F.X.J. Oberhumer <markus@oberhumer.com>
+ http://www.oberhumer.com/opensource/lzo/
+
+ The LZO library 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 of
+ the License, or (at your option) any later version.
+
+ The LZO library 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 LZO library; see the file COPYING.
+ If not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#include "libbb.h"
+#include "liblzo.h"
+
+#define D_BITS 14
+#define D_INDEX1(d,p) d = DM(DMUL(0x21,DX3(p,5,5,6)) >> 5)
+#define D_INDEX2(d,p) d = (d & (D_MASK & 0x7ff)) ^ (D_HIGH | 0x1f)
+
+#define DO_COMPRESS lzo1x_1_compress
+
+#include "lzo1x_c.c"