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gerrit.nordix.org / codeaurora / busybox / 14ee4e65f196c451a9eea45a9936b4fe38533178 / . / archival / Config.in
blob: 64b44c218c90f311614f8bb02de2089a29a35ea9 [file] [log] [blame]
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]1#
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 Vlasenkoe9ad84d2008-08-05 13:10:34 +0000[diff] [blame]8config FEATURE_SEAMLESS_LZMA
Denis Vlasenko540baf62008-08-05 13:16:18 +0000[diff] [blame]9 bool "Make tar, rpm, modprobe etc understand .lzma data"
Denis Vlasenkoe9ad84d2008-08-05 13:10:34 +0000[diff] [blame]10 default n
11 help
Denis Vlasenko540baf62008-08-05 13:16:18 +0000[diff] [blame]12 Make tar, rpm, modprobe etc understand .lzma data.
Denis Vlasenkoe9ad84d2008-08-05 13:10:34 +0000[diff] [blame]13
14config FEATURE_SEAMLESS_BZ2
Denis Vlasenko540baf62008-08-05 13:16:18 +0000[diff] [blame]15 bool "Make tar, rpm, modprobe etc understand .bz2 data"
Denis Vlasenkoe9ad84d2008-08-05 13:10:34 +0000[diff] [blame]16 default n
17 help
Denis Vlasenko540baf62008-08-05 13:16:18 +0000[diff] [blame]18 Make tar, rpm, modprobe etc understand .bz2 data.
Denis Vlasenkoe9ad84d2008-08-05 13:10:34 +0000[diff] [blame]19
20config FEATURE_SEAMLESS_GZ
Denis Vlasenko540baf62008-08-05 13:16:18 +0000[diff] [blame]21 bool "Make tar, rpm, modprobe etc understand .gz data"
Denis Vlasenkoe9ad84d2008-08-05 13:10:34 +0000[diff] [blame]22 default n
23 help
Denis Vlasenko540baf62008-08-05 13:16:18 +0000[diff] [blame]24 Make tar, rpm, modprobe etc understand .gz data.
Denis Vlasenkoe9ad84d2008-08-05 13:10:34 +0000[diff] [blame]25
26config FEATURE_SEAMLESS_Z
27 bool "Make tar and gunzip understand .Z data"
28 default n
29 help
30 Make tar and gunzip understand .Z data.
31
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]32config AR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]33 bool "ar"
34 default n
35 help
Eric Andersen53601822002-12-05 21:12:42 +0000[diff] [blame]36 ar is an archival utility program used to create, modify, and
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +0000[diff] [blame]37 extract contents from archives. An archive is a single file holding
Eric Andersen53601822002-12-05 21:12:42 +0000[diff] [blame]38 a collection of other files in a structure that makes it possible to
39 retrieve the original individual files (called archive members).
40 The original files' contents, mode (permissions), timestamp, owner,
41 and group are preserved in the archive, and can be restored on
Glenn L McGrath0337c462002-12-06 22:40:54 +0000[diff] [blame]42 extraction.
Eric Andersen6d3c7e72003-08-22 21:15:07 +0000[diff] [blame]43
Glenn L McGrath0337c462002-12-06 22:40:54 +0000[diff] [blame]44 The stored filename is limited to 15 characters. (for more information
45 see long filename support).
46 ar has 60 bytes of overheads for every stored file.
47
48 This implementation of ar can extract archives, it cannot create or
49 modify them.
Eric Andersen6d3c7e72003-08-22 21:15:07 +0000[diff] [blame]50 On an x86 system, the ar applet adds about 1K.
Eric Andersen53601822002-12-05 21:12:42 +0000[diff] [blame]51
52 Unless you have a specific application which requires ar, you should
53 probably say N here.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]54
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]55config FEATURE_AR_LONG_FILENAMES
Denis Vlasenko4ee7cd42008-03-17 09:13:22 +0000[diff] [blame]56 bool "Support for long filenames (not need for debs)"
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]57 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]58 depends on AR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]59 help
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +0000[diff] [blame]60 By default the ar format can only store the first 15 characters of
61 the filename, this option removes that limitation.
Glenn L McGrath0337c462002-12-06 22:40:54 +0000[diff] [blame]62 It supports the GNU ar long filename method which moves multiple long
63 filenames into a the data section of a new ar entry.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]64
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]65config BUNZIP2
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]66 bool "bunzip2"
67 default n
68 help
Eric Andersen88c916b2003-10-22 09:58:56 +0000[diff] [blame]69 bunzip2 is a compression utility using the Burrows-Wheeler block
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +0000[diff] [blame]70 sorting text compression algorithm, and Huffman coding. Compression
Eric Andersen53601822002-12-05 21:12:42 +0000[diff] [blame]71 is generally considerably better than that achieved by more
72 conventional LZ77/LZ78-based compressors, and approaches the
Eric Andersenc7bda1c2004-03-15 08:29:22 +0000[diff] [blame]73 performance of the PPM family of statistical compressors.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000[diff] [blame]74
Eric Andersen53601822002-12-05 21:12:42 +0000[diff] [blame]75 Unless you have a specific application which requires bunzip2, you
76 should probably say N here.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]77
Denis Vlasenko77f1ec12007-10-13 03:36:03 +0000[diff] [blame]78config BZIP2
79 bool "bzip2"
80 default n
81 help
82 bzip2 is a compression utility using the Burrows-Wheeler block
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +0000[diff] [blame]83 sorting text compression algorithm, and Huffman coding. Compression
Denis Vlasenko77f1ec12007-10-13 03:36:03 +0000[diff] [blame]84 is generally considerably better than that achieved by more
85 conventional LZ77/LZ78-based compressors, and approaches the
86 performance of the PPM family of statistical compressors.
87
88 Unless you have a specific application which requires bzip2, you
89 should probably say N here.
90
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]91config CPIO
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]92 bool "cpio"
93 default n
94 help
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +0000[diff] [blame]95 cpio is an archival utility program used to create, modify, and
96 extract contents from archives.
Glenn L McGrath0337c462002-12-06 22:40:54 +0000[diff] [blame]97 cpio has 110 bytes of overheads for every stored file.
98
99 This implementation of cpio can extract cpio archives created in the
Eric Andersenc7bda1c2004-03-15 08:29:22 +0000[diff] [blame]100 "newc" or "crc" format, it cannot create or modify them.
Glenn L McGrath0337c462002-12-06 22:40:54 +0000[diff] [blame]101
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +0000[diff] [blame]102 Unless you have a specific application which requires cpio, you
103 should probably say N here.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]104
Denis Vlasenko261f2372008-04-05 00:07:46 +0000[diff] [blame]105config FEATURE_CPIO_O
106 bool "Support for archive creation"
107 default n
108 depends on CPIO
109 help
110 This implementation of cpio can create cpio archives in the "newc"
111 format only.
112
Denis Vlasenko83518d12009-03-20 22:17:13 +0000[diff] [blame]113config FEATURE_CPIO_P
114 bool "Support for passthrough mode"
115 default n
116 depends on FEATURE_CPIO_O
117 help
118 Passthrough mode. Rarely used.
119
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]120config DPKG
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]121 bool "dpkg"
122 default n
Denis Vlasenko8854b352008-10-15 14:50:14 +0000[diff] [blame]123 select FEATURE_SEAMLESS_GZ
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]124 help
Denis Vlasenko0381d422008-07-10 23:06:00 +0000[diff] [blame]125 dpkg is a medium-level tool to install, build, remove and manage
126 Debian packages.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000[diff] [blame]127
Denis Vlasenko0381d422008-07-10 23:06:00 +0000[diff] [blame]128 This implementation of dpkg has a number of limitations,
129 you should use the official dpkg if possible.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]130
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]131config DPKG_DEB
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]132 bool "dpkg_deb"
133 default n
Denis Vlasenko8854b352008-10-15 14:50:14 +0000[diff] [blame]134 select FEATURE_SEAMLESS_GZ
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]135 help
Denis Vlasenko8854b352008-10-15 14:50:14 +0000[diff] [blame]136 dpkg-deb unpacks and provides information about Debian archives.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000[diff] [blame]137
Glenn L McGrath0337c462002-12-06 22:40:54 +0000[diff] [blame]138 This implementation of dpkg-deb cannot pack archives.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000[diff] [blame]139
Denis Vlasenko0381d422008-07-10 23:06:00 +0000[diff] [blame]140 Unless you have a specific application which requires dpkg-deb,
141 say N here.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]142
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]143config FEATURE_DPKG_DEB_EXTRACT_ONLY
Denis Vlasenko4ee7cd42008-03-17 09:13:22 +0000[diff] [blame]144 bool "Extract only (-x)"
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]145 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]146 depends on DPKG_DEB
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]147 help
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +0000[diff] [blame]148 This reduces dpkg-deb to the equivalent of
149 "ar -p <deb> data.tar.gz | tar -zx". However it saves space as none
150 of the extra dpkg-deb, ar or tar options are needed, they are linked
151 to internally.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]152
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]153config GUNZIP
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]154 bool "gunzip"
155 default n
156 help
Eric Andersene5642112003-07-14 19:37:08 +0000[diff] [blame]157 gunzip is used to decompress archives created by gzip.
158 You can use the `-t' option to test the integrity of
159 an archive, without decompressing it.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]160
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]161config GZIP
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]162 bool "gzip"
163 default n
164 help
Eric Andersene5642112003-07-14 19:37:08 +0000[diff] [blame]165 gzip is used to compress files.
Eric Andersen88c916b2003-10-22 09:58:56 +0000[diff] [blame]166 It's probably the most widely used UNIX compression program.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]167
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]168config RPM2CPIO
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]169 bool "rpm2cpio"
170 default n
171 help
Glenn L McGrathb72a7352002-12-10 00:17:22 +0000[diff] [blame]172 Converts an RPM file into a CPIO archive.
173
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]174config RPM
Glenn L McGrathb72a7352002-12-10 00:17:22 +0000[diff] [blame]175 bool "rpm"
176 default n
177 help
Bernhard Reutner-Fischerbfe19502007-01-04 15:44:49 +0000[diff] [blame]178 Mini RPM applet - queries and extracts RPM packages.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]179
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]180config TAR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]181 bool "tar"
182 default n
183 help
Eric Andersene5642112003-07-14 19:37:08 +0000[diff] [blame]184 tar is an archiving program. It's commonly used with gzip to
Eric Andersen88c916b2003-10-22 09:58:56 +0000[diff] [blame]185 create compressed archives. It's probably the most widely used
Eric Andersene5642112003-07-14 19:37:08 +0000[diff] [blame]186 UNIX archive program.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]187
Denis Vlasenkobc06fb22008-07-17 18:26:45 +0000[diff] [blame]188if TAR
189
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]190config FEATURE_TAR_CREATE
Rob Landley2ec922e2006-04-13 23:22:16 +0000[diff] [blame]191 bool "Enable archive creation"
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]192 default y
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]193 depends on TAR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]194 help
Eric Andersene5642112003-07-14 19:37:08 +0000[diff] [blame]195 If you enable this option you'll be able to create
196 tar archives using the `-c' option.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]197
Denis Vlasenko431a7c92008-02-19 11:26:28 +0000[diff] [blame]198config FEATURE_TAR_AUTODETECT
Denis Vlasenkoe9ad84d2008-08-05 13:10:34 +0000[diff] [blame]199 bool "Autodetect gz/bz2 compressed tarballs"
Denis Vlasenko431a7c92008-02-19 11:26:28 +0000[diff] [blame]200 default n
Denis Vlasenkoe9ad84d2008-08-05 13:10:34 +0000[diff] [blame]201 depends on FEATURE_SEAMLESS_Z || FEATURE_SEAMLESS_GZ || FEATURE_SEAMLESS_BZ2 || FEATURE_SEAMLESS_LZMA
Denis Vlasenko431a7c92008-02-19 11:26:28 +0000[diff] [blame]202 help
203 With this option tar can automatically detect gzip/bzip2 compressed
Denis Vlasenkobc06fb22008-07-17 18:26:45 +0000[diff] [blame]204 tarballs. Currently it works only on files (not pipes etc).
Denis Vlasenko431a7c92008-02-19 11:26:28 +0000[diff] [blame]205
206config FEATURE_TAR_FROM
207 bool "Enable -X (exclude from) and -T (include from) options)"
208 default n
209 depends on TAR
210 help
211 If you enable this option you'll be able to specify
212 a list of files to include or exclude from an archive.
213
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]214config FEATURE_TAR_OLDGNU_COMPATIBILITY
Denis Vlasenko4ee7cd42008-03-17 09:13:22 +0000[diff] [blame]215 bool "Support for old tar header format"
Glenn L McGrath21110a02003-01-28 01:45:48 +0000[diff] [blame]216 default N
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]217 depends on TAR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]218 help
Eric Andersen88c916b2003-10-22 09:58:56 +0000[diff] [blame]219 This option is required to unpack archives created in
220 the old GNU format; help to kill this old format by
Glenn L McGrath21110a02003-01-28 01:45:48 +0000[diff] [blame]221 repacking your ancient archives with the new format.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]222
Denis Vlasenkoa80b4a02007-06-21 12:41:59 +0000[diff] [blame]223config FEATURE_TAR_OLDSUN_COMPATIBILITY
224 bool "Enable untarring of tarballs with checksums produced by buggy Sun tar"
225 default N
226 depends on TAR
227 help
228 This option is required to unpack archives created by some old
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +0000[diff] [blame]229 version of Sun's tar (it was calculating checksum using signed
230 arithmetic). It is said to be fixed in newer Sun tar, but "old"
231 tarballs still exist.
Denis Vlasenkoa80b4a02007-06-21 12:41:59 +0000[diff] [blame]232
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]233config FEATURE_TAR_GNU_EXTENSIONS
Denis Vlasenko4ee7cd42008-03-17 09:13:22 +0000[diff] [blame]234 bool "Support for GNU tar extensions (long filenames)"
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]235 default y
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]236 depends on TAR
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]237 help
Eric Andersenc7bda1c2004-03-15 08:29:22 +0000[diff] [blame]238 With this option busybox supports GNU long filenames and
Eric Andersene5642112003-07-14 19:37:08 +0000[diff] [blame]239 linknames.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]240
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]241config FEATURE_TAR_LONG_OPTIONS
Rob Landley2ec922e2006-04-13 23:22:16 +0000[diff] [blame]242 bool "Enable long options"
Glenn L McGrathce91c8a2003-12-26 14:01:37 +0000[diff] [blame]243 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]244 depends on TAR && GETOPT_LONG
Glenn L McGrathce91c8a2003-12-26 14:01:37 +0000[diff] [blame]245 help
Denis Vlasenkoe00e5022008-02-14 20:37:54 +0000[diff] [blame]246 Enable use of long options, increases size by about 400 Bytes
247
248config FEATURE_TAR_UNAME_GNAME
249 bool "Enable use of user and group names"
250 default n
Denis Vlasenkoe7b43cf2008-02-19 23:42:22 +0000[diff] [blame]251 depends on TAR
Denis Vlasenkoe00e5022008-02-14 20:37:54 +0000[diff] [blame]252 help
253 Enables use of user and group names in tar. This affects contents
254 listings (-t) and preserving permissions when unpacking (-p).
255 +200 bytes.
Glenn L McGrathce91c8a2003-12-26 14:01:37 +0000[diff] [blame]256
Denis Vlasenkobc06fb22008-07-17 18:26:45 +0000[diff] [blame]257endif #tar
258
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]259config UNCOMPRESS
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]260 bool "uncompress"
261 default n
262 help
Eric Andersene5642112003-07-14 19:37:08 +0000[diff] [blame]263 uncompress is used to decompress archives created by compress.
264 Not much used anymore, replaced by gzip/gunzip.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]265
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]266config UNLZMA
Rob Landleyc1d69902006-01-20 18:28:50 +0000[diff] [blame]267 bool "unlzma"
268 default n
269 help
270 unlzma is a compression utility using the Lempel-Ziv-Markov chain
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +0000[diff] [blame]271 compression algorithm, and range coding. Compression
Rob Landleyc1d69902006-01-20 18:28:50 +0000[diff] [blame]272 is generally considerably better than that achieved by the bzip2
273 compressors.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000[diff] [blame]274
Rob Landleyc1d69902006-01-20 18:28:50 +0000[diff] [blame]275 The BusyBox unlzma applet is limited to de-compression only.
276 On an x86 system, this applet adds about 4K.
Tim Rikerc1ef7bd2006-01-25 00:08:53 +0000[diff] [blame]277
Rob Landleyc1d69902006-01-20 18:28:50 +0000[diff] [blame]278 Unless you have a specific application which requires unlzma, you
279 should probably say N here.
280
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]281config FEATURE_LZMA_FAST
Denis Vlasenkoffdcb412008-04-23 05:46:55 +0000[diff] [blame]282 bool "Optimize unlzma for speed"
Rob Landleyc1d69902006-01-20 18:28:50 +0000[diff] [blame]283 default n
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]284 depends on UNLZMA
Rob Landleyc1d69902006-01-20 18:28:50 +0000[diff] [blame]285 help
Bernhard Reutner-Fischer5929edc2006-06-07 20:30:01 +0000[diff] [blame]286 This option reduces decompression time by about 33% at the cost of
Rob Landleyc1d69902006-01-20 18:28:50 +0000[diff] [blame]287 a 2K bigger binary.
288
Denis Vlasenko7d219aa2006-10-05 10:17:08 +0000[diff] [blame]289config UNZIP
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]290 bool "unzip"
291 default n
292 help
Eric Andersene5642112003-07-14 19:37:08 +0000[diff] [blame]293 unzip will list or extract files from a ZIP archive,
294 commonly found on DOS/WIN systems. The default behavior
295 (with no options) is to extract the archive into the
296 current directory. Use the `-d' option to extract to a
297 directory of your choice.
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]298
Eric Andersenc9f20d92002-12-05 08:41:41 +0000[diff] [blame]299endmenu