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Eric Andersenc9f20d92002-12-05 08:41:41 +00001#
2# For a description of the syntax of this configuration file,
3# see scripts/kbuild/config-language.txt.
4#
5
6menu "Archival Utilities"
7
Denis Vlasenko7d219aa2006-10-05 10:17:08 +00008config AR
Eric Andersenc9f20d92002-12-05 08:41:41 +00009 bool "ar"
10 default n
11 help
Eric Andersen53601822002-12-05 21:12:42 +000012 ar is an archival utility program used to create, modify, and
13 extract contents from archives. An archive is a single file holding
14 a collection of other files in a structure that makes it possible to
15 retrieve the original individual files (called archive members).
16 The original files' contents, mode (permissions), timestamp, owner,
17 and group are preserved in the archive, and can be restored on
Glenn L McGrath0337c462002-12-06 22:40:54 +000018 extraction.
Eric Andersen6d3c7e72003-08-22 21:15:07 +000019
Glenn L McGrath0337c462002-12-06 22:40:54 +000020 The stored filename is limited to 15 characters. (for more information
21 see long filename support).
22 ar has 60 bytes of overheads for every stored file.
23
24 This implementation of ar can extract archives, it cannot create or
25 modify them.
Eric Andersen6d3c7e72003-08-22 21:15:07 +000026 On an x86 system, the ar applet adds about 1K.
Eric Andersen53601822002-12-05 21:12:42 +000027
28 Unless you have a specific application which requires ar, you should
29 probably say N here.
Eric Andersenc9f20d92002-12-05 08:41:41 +000030
Denis Vlasenko7d219aa2006-10-05 10:17:08 +000031config FEATURE_AR_LONG_FILENAMES
Denis Vlasenko4ee7cd42008-03-17 09:13:22 +000032 bool "Support for long filenames (not need for debs)"
Eric Andersenc9f20d92002-12-05 08:41:41 +000033 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +000034 depends on AR
Eric Andersenc9f20d92002-12-05 08:41:41 +000035 help
Glenn L McGrath0337c462002-12-06 22:40:54 +000036 By default the ar format can only store the first 15 characters of the
37 filename, this option removes that limitation.
38 It supports the GNU ar long filename method which moves multiple long
39 filenames into a the data section of a new ar entry.
Eric Andersenc9f20d92002-12-05 08:41:41 +000040
Denis Vlasenko7d219aa2006-10-05 10:17:08 +000041config BUNZIP2
Eric Andersenc9f20d92002-12-05 08:41:41 +000042 bool "bunzip2"
43 default n
44 help
Eric Andersen88c916b2003-10-22 09:58:56 +000045 bunzip2 is a compression utility using the Burrows-Wheeler block
Eric Andersen53601822002-12-05 21:12:42 +000046 sorting text compression algorithm, and Huffman coding. Compression
47 is generally considerably better than that achieved by more
48 conventional LZ77/LZ78-based compressors, and approaches the
Eric Andersenc7bda1c2004-03-15 08:29:22 +000049 performance of the PPM family of statistical compressors.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +000050
Eric Andersen53601822002-12-05 21:12:42 +000051 Unless you have a specific application which requires bunzip2, you
52 should probably say N here.
Eric Andersenc9f20d92002-12-05 08:41:41 +000053
Denis Vlasenko77f1ec12007-10-13 03:36:03 +000054config BZIP2
55 bool "bzip2"
56 default n
57 help
58 bzip2 is a compression utility using the Burrows-Wheeler block
59 sorting text compression algorithm, and Huffman coding. Compression
60 is generally considerably better than that achieved by more
61 conventional LZ77/LZ78-based compressors, and approaches the
62 performance of the PPM family of statistical compressors.
63
64 Unless you have a specific application which requires bzip2, you
65 should probably say N here.
66
Denis Vlasenko7d219aa2006-10-05 10:17:08 +000067config CPIO
Eric Andersenc9f20d92002-12-05 08:41:41 +000068 bool "cpio"
69 default n
70 help
Glenn L McGrath0337c462002-12-06 22:40:54 +000071 cpio is an archival utility program used to create, modify, and extract
72 contents from archives.
73 cpio has 110 bytes of overheads for every stored file.
74
75 This implementation of cpio can extract cpio archives created in the
Eric Andersenc7bda1c2004-03-15 08:29:22 +000076 "newc" or "crc" format, it cannot create or modify them.
Glenn L McGrath0337c462002-12-06 22:40:54 +000077
78 Unless you have a specific application which requires cpio, you should
79 probably say N here.
Eric Andersenc9f20d92002-12-05 08:41:41 +000080
Denis Vlasenko261f2372008-04-05 00:07:46 +000081config FEATURE_CPIO_O
82 bool "Support for archive creation"
83 default n
84 depends on CPIO
85 help
86 This implementation of cpio can create cpio archives in the "newc"
87 format only.
88
Denis Vlasenko7d219aa2006-10-05 10:17:08 +000089config DPKG
Eric Andersenc9f20d92002-12-05 08:41:41 +000090 bool "dpkg"
91 default n
92 help
Glenn L McGrath0337c462002-12-06 22:40:54 +000093 dpkg is a medium-level tool to install, build, remove and manage Debian packages.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +000094
Glenn L McGrath0337c462002-12-06 22:40:54 +000095 This implementation of dpkg has a number of limitations, you should use the
96 official dpkg if possible.
Eric Andersenc9f20d92002-12-05 08:41:41 +000097
Denis Vlasenko7d219aa2006-10-05 10:17:08 +000098config DPKG_DEB
Eric Andersenc9f20d92002-12-05 08:41:41 +000099 bool "dpkg_deb"
100 default n
101 help
Glenn L McGrath0337c462002-12-06 22:40:54 +0000102 dpkg-deb packs, unpacks and provides information about Debian archives.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000103
Glenn L McGrath0337c462002-12-06 22:40:54 +0000104 This implementation of dpkg-deb cannot pack archives.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000105
Glenn L McGrath0337c462002-12-06 22:40:54 +0000106 Unless you have a specific application which requires dpkg-deb, you should
107 probably say N here.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000108
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000109config FEATURE_DPKG_DEB_EXTRACT_ONLY
Denis Vlasenko4ee7cd42008-03-17 09:13:22 +0000110 bool "Extract only (-x)"
Eric Andersenc9f20d92002-12-05 08:41:41 +0000111 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000112 depends on DPKG_DEB
Eric Andersenc9f20d92002-12-05 08:41:41 +0000113 help
Eric Andersen88c916b2003-10-22 09:58:56 +0000114 This reduces dpkg-deb to the equivalent of "ar -p <deb> data.tar.gz | tar -zx".
Eric Andersenc7bda1c2004-03-15 08:29:22 +0000115 However it saves space as none of the extra dpkg-deb, ar or tar options are
Glenn L McGrath0337c462002-12-06 22:40:54 +0000116 needed, they are linked to internally.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000117
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000118config GUNZIP
Eric Andersenc9f20d92002-12-05 08:41:41 +0000119 bool "gunzip"
120 default n
121 help
Eric Andersene5642112003-07-14 19:37:08 +0000122 gunzip is used to decompress archives created by gzip.
123 You can use the `-t' option to test the integrity of
124 an archive, without decompressing it.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000125
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000126config FEATURE_GUNZIP_UNCOMPRESS
Rob Landley2ec922e2006-04-13 23:22:16 +0000127 bool "Uncompress support"
Eric Andersenc9f20d92002-12-05 08:41:41 +0000128 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000129 depends on GUNZIP
Eric Andersenc9f20d92002-12-05 08:41:41 +0000130 help
Eric Andersen88c916b2003-10-22 09:58:56 +0000131 Enable if you want gunzip to have the ability to decompress
Eric Andersene5642112003-07-14 19:37:08 +0000132 archives created by the program compress (not much
133 used anymore).
Eric Andersenc9f20d92002-12-05 08:41:41 +0000134
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000135config GZIP
Eric Andersenc9f20d92002-12-05 08:41:41 +0000136 bool "gzip"
137 default n
138 help
Eric Andersene5642112003-07-14 19:37:08 +0000139 gzip is used to compress files.
Eric Andersen88c916b2003-10-22 09:58:56 +0000140 It's probably the most widely used UNIX compression program.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000141
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000142config RPM2CPIO
Eric Andersenc9f20d92002-12-05 08:41:41 +0000143 bool "rpm2cpio"
144 default n
145 help
Glenn L McGrathb72a7352002-12-10 00:17:22 +0000146 Converts an RPM file into a CPIO archive.
147
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000148config RPM
Glenn L McGrathb72a7352002-12-10 00:17:22 +0000149 bool "rpm"
150 default n
151 help
Bernhard Reutner-Fischerbfe19502007-01-04 15:44:49 +0000152 Mini RPM applet - queries and extracts RPM packages.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000153
Denis Vlasenkoc14d39e2007-06-08 13:05:39 +0000154config FEATURE_RPM_BZ2
155 bool "Enable handling of rpms with bzip2-compressed data inside"
156 default n
157 depends on RPM
158 help
159 Enable handling of rpms with bzip2-compressed data inside.
160
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000161config TAR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000162 bool "tar"
163 default n
164 help
Eric Andersene5642112003-07-14 19:37:08 +0000165 tar is an archiving program. It's commonly used with gzip to
Eric Andersen88c916b2003-10-22 09:58:56 +0000166 create compressed archives. It's probably the most widely used
Eric Andersene5642112003-07-14 19:37:08 +0000167 UNIX archive program.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000168
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000169config FEATURE_TAR_CREATE
Rob Landley2ec922e2006-04-13 23:22:16 +0000170 bool "Enable archive creation"
Eric Andersenc9f20d92002-12-05 08:41:41 +0000171 default y
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000172 depends on TAR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000173 help
Eric Andersene5642112003-07-14 19:37:08 +0000174 If you enable this option you'll be able to create
175 tar archives using the `-c' option.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000176
Denis Vlasenko431a7c92008-02-19 11:26:28 +0000177config FEATURE_TAR_GZIP
178 bool "Enable -z option"
179 default y
180 depends on TAR
181 help
182 If you enable this option tar will be able to call gzip,
183 when creating or extracting tar gziped archives.
184
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000185config FEATURE_TAR_BZIP2
Rob Landley2ec922e2006-04-13 23:22:16 +0000186 bool "Enable -j option to handle .tar.bz2 files"
Eric Andersenc9f20d92002-12-05 08:41:41 +0000187 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000188 depends on TAR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000189 help
Eric Andersene5642112003-07-14 19:37:08 +0000190 If you enable this option you'll be able to extract
191 archives compressed with bzip2.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000192
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000193config FEATURE_TAR_LZMA
Rob Landley2ec922e2006-04-13 23:22:16 +0000194 bool "Enable -a option to handle .tar.lzma files"
Rob Landleyc1d69902006-01-20 18:28:50 +0000195 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000196 depends on TAR
Rob Landleyc1d69902006-01-20 18:28:50 +0000197 help
198 If you enable this option you'll be able to extract
199 archives compressed with lzma.
200
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000201config FEATURE_TAR_COMPRESS
Rob Landley2ec922e2006-04-13 23:22:16 +0000202 bool "Enable -Z option"
Glenn L McGrath56f16b42003-11-18 21:37:52 +0000203 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000204 depends on TAR
Glenn L McGrath56f16b42003-11-18 21:37:52 +0000205 help
206 If you enable this option tar will be able to call uncompress,
207 when extracting .tar.Z archives.
208
Denis Vlasenko431a7c92008-02-19 11:26:28 +0000209config FEATURE_TAR_AUTODETECT
210 bool "Let tar autodetect gz/bz2 compresses tarballs"
211 default n
212 depends on FEATURE_TAR_GZIP || FEATURE_TAR_BZIP2
213 help
214 With this option tar can automatically detect gzip/bzip2 compressed
215 tarballs. Currently it works only on seekable streams.
216
217config FEATURE_TAR_FROM
218 bool "Enable -X (exclude from) and -T (include from) options)"
219 default n
220 depends on TAR
221 help
222 If you enable this option you'll be able to specify
223 a list of files to include or exclude from an archive.
224
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000225config FEATURE_TAR_OLDGNU_COMPATIBILITY
Denis Vlasenko4ee7cd42008-03-17 09:13:22 +0000226 bool "Support for old tar header format"
Glenn L McGrath21110a02003-01-28 01:45:48 +0000227 default N
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000228 depends on TAR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000229 help
Eric Andersen88c916b2003-10-22 09:58:56 +0000230 This option is required to unpack archives created in
231 the old GNU format; help to kill this old format by
Glenn L McGrath21110a02003-01-28 01:45:48 +0000232 repacking your ancient archives with the new format.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000233
Denis Vlasenkoa80b4a02007-06-21 12:41:59 +0000234config FEATURE_TAR_OLDSUN_COMPATIBILITY
235 bool "Enable untarring of tarballs with checksums produced by buggy Sun tar"
236 default N
237 depends on TAR
238 help
239 This option is required to unpack archives created by some old
240 version of Sun's tar (it was calculating checksum using signed arithmetic).
241 It is said to be fixed in newer Sun tar, but "old" tarballs still exist.
242
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000243config FEATURE_TAR_GNU_EXTENSIONS
Denis Vlasenko4ee7cd42008-03-17 09:13:22 +0000244 bool "Support for GNU tar extensions (long filenames)"
Eric Andersenc9f20d92002-12-05 08:41:41 +0000245 default y
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000246 depends on TAR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000247 help
Eric Andersenc7bda1c2004-03-15 08:29:22 +0000248 With this option busybox supports GNU long filenames and
Eric Andersene5642112003-07-14 19:37:08 +0000249 linknames.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000250
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000251config FEATURE_TAR_LONG_OPTIONS
Rob Landley2ec922e2006-04-13 23:22:16 +0000252 bool "Enable long options"
Glenn L McGrathce91c8a2003-12-26 14:01:37 +0000253 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000254 depends on TAR && GETOPT_LONG
Glenn L McGrathce91c8a2003-12-26 14:01:37 +0000255 help
Denis Vlasenkoe00e5022008-02-14 20:37:54 +0000256 Enable use of long options, increases size by about 400 Bytes
257
258config FEATURE_TAR_UNAME_GNAME
259 bool "Enable use of user and group names"
260 default n
Denis Vlasenkoe7b43cf2008-02-19 23:42:22 +0000261 depends on TAR
Denis Vlasenkoe00e5022008-02-14 20:37:54 +0000262 help
263 Enables use of user and group names in tar. This affects contents
264 listings (-t) and preserving permissions when unpacking (-p).
265 +200 bytes.
Glenn L McGrathce91c8a2003-12-26 14:01:37 +0000266
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000267config UNCOMPRESS
Eric Andersenc9f20d92002-12-05 08:41:41 +0000268 bool "uncompress"
269 default n
270 help
Eric Andersene5642112003-07-14 19:37:08 +0000271 uncompress is used to decompress archives created by compress.
272 Not much used anymore, replaced by gzip/gunzip.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000273
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000274config UNLZMA
Rob Landleyc1d69902006-01-20 18:28:50 +0000275 bool "unlzma"
276 default n
277 help
278 unlzma is a compression utility using the Lempel-Ziv-Markov chain
279 compression algorithm, and range coding. Compression
280 is generally considerably better than that achieved by the bzip2
281 compressors.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000282
Rob Landleyc1d69902006-01-20 18:28:50 +0000283 The BusyBox unlzma applet is limited to de-compression only.
284 On an x86 system, this applet adds about 4K.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000285
Rob Landleyc1d69902006-01-20 18:28:50 +0000286 Unless you have a specific application which requires unlzma, you
287 should probably say N here.
288
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000289config FEATURE_LZMA_FAST
Rob Landley2ec922e2006-04-13 23:22:16 +0000290 bool "Optimze unlzma for speed"
Rob Landleyc1d69902006-01-20 18:28:50 +0000291 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000292 depends on UNLZMA
Rob Landleyc1d69902006-01-20 18:28:50 +0000293 help
Bernhard Reutner-Fischer5929edc2006-06-07 20:30:01 +0000294 This option reduces decompression time by about 33% at the cost of
Rob Landleyc1d69902006-01-20 18:28:50 +0000295 a 2K bigger binary.
296
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000297config UNZIP
Eric Andersenc9f20d92002-12-05 08:41:41 +0000298 bool "unzip"
299 default n
300 help
Eric Andersene5642112003-07-14 19:37:08 +0000301 unzip will list or extract files from a ZIP archive,
302 commonly found on DOS/WIN systems. The default behavior
303 (with no options) is to extract the archive into the
304 current directory. Use the `-d' option to extract to a
305 directory of your choice.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000306
Glenn L McGrath6530f0d2003-10-29 04:46:30 +0000307comment "Common options for cpio and tar"
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000308 depends on CPIO || TAR
Glenn L McGrath6530f0d2003-10-29 04:46:30 +0000309
Glenn L McGrathb03be7f2004-01-17 03:24:05 +0000310comment "Common options for dpkg and dpkg_deb"
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000311 depends on DPKG || DPKG_DEB
Glenn L McGrathb03be7f2004-01-17 03:24:05 +0000312
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000313config FEATURE_DEB_TAR_GZ
Rob Landley2ec922e2006-04-13 23:22:16 +0000314 bool "gzip debian packages (normal)"
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000315 default y if DPKG || DPKG_DEB
316 depends on DPKG || DPKG_DEB
Glenn L McGrathb03be7f2004-01-17 03:24:05 +0000317 help
318 This is the default compression method inside the debian ar file.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000319
Glenn L McGrathb03be7f2004-01-17 03:24:05 +0000320 If you want compatibility with standard .deb's you should say yes here.
321
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000322config FEATURE_DEB_TAR_BZ2
Rob Landley2ec922e2006-04-13 23:22:16 +0000323 bool "bzip2 debian packages"
Glenn L McGrathb03be7f2004-01-17 03:24:05 +0000324 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000325 depends on DPKG || DPKG_DEB
Glenn L McGrathb03be7f2004-01-17 03:24:05 +0000326 help
327 This allows dpkg and dpkg-deb to extract deb's that are compressed internally
328 with bzip2 instead of gzip.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000329
Glenn L McGrathb03be7f2004-01-17 03:24:05 +0000330 You only want this if you are creating your own custom debian packages that
331 use an internal control.tar.bz2 or data.tar.bz2.
332
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000333config FEATURE_DEB_TAR_LZMA
Rob Landley2ec922e2006-04-13 23:22:16 +0000334 bool "lzma debian packages"
Rob Landleyc1d69902006-01-20 18:28:50 +0000335 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000336 depends on DPKG || DPKG_DEB
Rob Landleyc1d69902006-01-20 18:28:50 +0000337 help
338 This allows dpkg and dpkg-deb to extract deb's that are compressed
Denis Vlasenkod031ffa2006-11-24 21:54:44 +0000339 internally with lzma instead of gzip.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000340
Rob Landleyc1d69902006-01-20 18:28:50 +0000341 You only want this if you are creating your own custom debian
Denis Vlasenkod031ffa2006-11-24 21:54:44 +0000342 packages that use an internal control.tar.lzma or data.tar.lzma.
Rob Landleyc1d69902006-01-20 18:28:50 +0000343
Eric Andersenc9f20d92002-12-05 08:41:41 +0000344endmenu