--- /dev/null
+++ bzip2/Makefile.am
@@ -0,0 +1,43 @@
+AUTOMAKE_OPTIONS = 1.4 foreign
+
+lib_LTLIBRARIES = libbz2.la
+bin_PROGRAMS = bzip2 bzip2recover
+bin_SCRIPTS = bzdiff bzgrep bzmore
+
+bzip2_SOURCES = bzip2.c
+bzip2_LDADD =  libbz2.la
+
+bzip2recover_SOURCES  = bzip2recover.c
+
+include_HEADERS = bzlib.h
+man_MANS = bzdiff.1 bzgrep.1 bzip2.1 bzmore.1
+info_TEXINFOS = bzip2.texi
+
+libbz2_la_SOURCES = \
+	blocksort.c \
+	huffman.c \
+	crctable.c \
+	randtable.c \
+	compress.c \
+	decompress.c \
+	bzlib.c
+libbz2_la_LDFLAGS = -version-info 1:6:0
+
+check-local: samples.sh bzip2
+	./samples.sh
+
+install-exec-hook:
+	$(LN_S) bzip2 $(DESTDIR)$(bindir)/bunzip2
+	$(LN_S) bzip2 $(DESTDIR)$(bindir)/bzcat
+	$(LN_S) bzdiff $(DESTDIR)$(bindir)/bzcmp
+	$(LN_S) bzgrep $(DESTDIR)$(bindir)/bzegrep
+	$(LN_S) bzgrep $(DESTDIR)$(bindir)/bzfgrep
+	$(LN_S) bzmore $(DESTDIR)$(bindir)/bzless
+
+install-data-hook:
+	echo '.so man1/bzip2.1' >$(DESTDIR)$(mandir)/man1/bunzip2.1
+	echo '.so man1/bzip2.1' >$(DESTDIR)$(mandir)/man1/bzcat.1
+	echo '.so man1/bzdiff.1' >$(DESTDIR)$(mandir)/man1/bzcmp.1
+	echo '.so man1/bzgrep.1' >$(DESTDIR)$(mandir)/man1/bzegrep.1
+	echo '.so man1/bzgrep.1' >$(DESTDIR)$(mandir)/man1/bzfgrep.1
+	echo '.so man1/bzmore.1' >$(DESTDIR)$(mandir)/man1/bzless.1
--- bzip2/bzip2.c
+++ bzip2/bzip2.c
@@ -47,6 +47,10 @@
   Some stuff for all platforms.
 --*/
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
--- bzip2/bzip2recover.c
+++ bzip2/bzip2recover.c
@@ -20,6 +20,10 @@
 /* This program is a complete hack and should be rewritten properly.
 	 It isn't very complicated. */
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <stdio.h>
 #include <errno.h>
 #include <stdlib.h>
--- bzip2/bzlib_private.h
+++ bzip2/bzlib_private.h
@@ -22,6 +22,10 @@
 #ifndef _BZLIB_PRIVATE_H
 #define _BZLIB_PRIVATE_H
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <stdlib.h>
 
 #ifndef BZ_NO_STDIO
--- /dev/null
+++ bzip2/configure.ac
@@ -0,0 +1,18 @@
+AC_PREREQ(2.53)
+AC_INIT([bzip2],[1.0.6],[Julian Seward <jseward@bzip.org>])
+AC_CONFIG_SRCDIR([bzlib.c])
+AM_CONFIG_HEADER([config.h])
+
+AC_GNU_SOURCE
+AC_CANONICAL_SYSTEM
+AC_PROG_LIBTOOL
+AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
+
+AC_PROG_CC
+AC_SYS_LARGEFILE
+
+AC_PROG_INSTALL
+AC_PROG_LN_S
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT
--- bzip2/dlltest.c
+++ bzip2/dlltest.c
@@ -7,6 +7,10 @@
    usage: minibz2 [-d] [-{1,2,..9}] [[srcfilename] destfilename]
 */
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #define BZ_IMPORT
 #include <stdio.h>
 #include <stdlib.h>
--- bzip2/mk251.c
+++ bzip2/mk251.c
@@ -20,6 +20,10 @@
    ------------------------------------------------------------------ */
 
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <stdio.h>
 
 int main ()
--- /dev/null
+++ bzip2/samples.sh
@@ -0,0 +1,9 @@
+#!/bin/sh -ex
+
+cat words1
+./bzip2 -1  < sample1.ref > sample1.rb2 && cmp sample1.bz2 sample1.rb2
+./bzip2 -2  < sample2.ref > sample2.rb2 && cmp sample2.bz2 sample2.rb2
+./bzip2 -3  < sample3.ref > sample3.rb2 && cmp sample3.bz2 sample3.rb2
+./bzip2 -d  < sample1.bz2 > sample1.tst && cmp sample1.tst sample1.ref
+./bzip2 -d  < sample2.bz2 > sample2.tst && cmp sample2.tst sample2.ref
+./bzip2 -ds < sample3.bz2 > sample3.tst && cmp sample3.tst sample3.ref
--- bzip2/spewG.c
+++ bzip2/spewG.c
@@ -24,7 +24,9 @@
 	 ------------------------------------------------------------------ */
 
 
-#define _FILE_OFFSET_BITS 64
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>
--- bzip2/unzcrash.c
+++ bzip2/unzcrash.c
@@ -28,6 +28,10 @@
    ------------------------------------------------------------------ */
 
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <stdio.h>
 #include <assert.h>
 #include "bzlib.h"