1# DO NOT EDIT. This file is generated from Config.src 2# 3# For a description of the syntax of this configuration file, 4# see scripts/kbuild/config-language.txt. 5# 6 7menu "Archival Utilities" 8 9config BUSYBOX_CONFIG_FEATURE_SEAMLESS_XZ 10 bool "Make tar, rpm, modprobe etc understand .xz data" 11 default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_XZ 12 help 13 Make tar, rpm, modprobe etc understand .xz data. 14 15config BUSYBOX_CONFIG_FEATURE_SEAMLESS_LZMA 16 bool "Make tar, rpm, modprobe etc understand .lzma data" 17 default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_LZMA 18 help 19 Make tar, rpm, modprobe etc understand .lzma data. 20 21config BUSYBOX_CONFIG_FEATURE_SEAMLESS_BZ2 22 bool "Make tar, rpm, modprobe etc understand .bz2 data" 23 default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_BZ2 24 help 25 Make tar, rpm, modprobe etc understand .bz2 data. 26 27config BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ 28 bool "Make tar, rpm, modprobe etc understand .gz data" 29 default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_GZ 30 help 31 Make tar, rpm, modprobe etc understand .gz data. 32 33config BUSYBOX_CONFIG_FEATURE_SEAMLESS_Z 34 bool "tar, rpm, modprobe etc understand .Z data" 35 default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_Z 36 help 37 Make tar, rpm, modprobe etc understand .Z data. 38 39config BUSYBOX_CONFIG_AR 40 bool "ar" 41 default BUSYBOX_DEFAULT_AR # needs to be improved to be able to replace binutils ar 42 help 43 ar is an archival utility program used to create, modify, and 44 extract contents from archives. An archive is a single file holding 45 a collection of other files in a structure that makes it possible to 46 retrieve the original individual files (called archive members). 47 The original files' contents, mode (permissions), timestamp, owner, 48 and group are preserved in the archive, and can be restored on 49 extraction. 50 51 The stored filename is limited to 15 characters. (for more information 52 see long filename support). 53 ar has 60 bytes of overheads for every stored file. 54 55 This implementation of ar can extract archives, it cannot create or 56 modify them. 57 On an x86 system, the ar applet adds about 1K. 58 59 Unless you have a specific application which requires ar, you should 60 probably say N here. 61 62config BUSYBOX_CONFIG_FEATURE_AR_LONG_FILENAMES 63 bool "Support for long filenames (not needed for debs)" 64 default BUSYBOX_DEFAULT_FEATURE_AR_LONG_FILENAMES 65 depends on BUSYBOX_CONFIG_AR 66 help 67 By default the ar format can only store the first 15 characters 68 of the filename, this option removes that limitation. 69 It supports the GNU ar long filename method which moves multiple long 70 filenames into a the data section of a new ar entry. 71 72config BUSYBOX_CONFIG_FEATURE_AR_CREATE 73 bool "Support archive creation" 74 default BUSYBOX_DEFAULT_FEATURE_AR_CREATE 75 depends on BUSYBOX_CONFIG_AR 76 help 77 This enables archive creation (-c and -r) with busybox ar. 78config BUSYBOX_CONFIG_UNCOMPRESS 79 bool "uncompress" 80 default BUSYBOX_DEFAULT_UNCOMPRESS 81 help 82 uncompress is used to decompress archives created by compress. 83 Not much used anymore, replaced by gzip/gunzip. 84config BUSYBOX_CONFIG_GUNZIP 85 bool "gunzip" 86 default BUSYBOX_DEFAULT_GUNZIP 87 help 88 gunzip is used to decompress archives created by gzip. 89 You can use the `-t' option to test the integrity of 90 an archive, without decompressing it. 91config BUSYBOX_CONFIG_BUNZIP2 92 bool "bunzip2" 93 default BUSYBOX_DEFAULT_BUNZIP2 94 help 95 bunzip2 is a compression utility using the Burrows-Wheeler block 96 sorting text compression algorithm, and Huffman coding. Compression 97 is generally considerably better than that achieved by more 98 conventional LZ77/LZ78-based compressors, and approaches the 99 performance of the PPM family of statistical compressors. 100 101 Unless you have a specific application which requires bunzip2, you 102 should probably say N here. 103config BUSYBOX_CONFIG_UNLZMA 104 bool "unlzma" 105 default BUSYBOX_DEFAULT_UNLZMA 106 help 107 unlzma is a compression utility using the Lempel-Ziv-Markov chain 108 compression algorithm, and range coding. Compression 109 is generally considerably better than that achieved by the bzip2 110 compressors. 111 112 The BusyBox unlzma applet is limited to decompression only. 113 On an x86 system, this applet adds about 4K. 114 115config BUSYBOX_CONFIG_FEATURE_LZMA_FAST 116 bool "Optimize unlzma for speed" 117 default BUSYBOX_DEFAULT_FEATURE_LZMA_FAST 118 depends on BUSYBOX_CONFIG_UNLZMA 119 help 120 This option reduces decompression time by about 25% at the cost of 121 a 1K bigger binary. 122 123config BUSYBOX_CONFIG_LZMA 124 bool "Provide lzma alias which supports only unpacking" 125 default BUSYBOX_DEFAULT_LZMA 126 depends on BUSYBOX_CONFIG_UNLZMA 127 help 128 Enable this option if you want commands like "lzma -d" to work. 129 IOW: you'll get lzma applet, but it will always require -d option. 130config BUSYBOX_CONFIG_UNXZ 131 bool "unxz" 132 default BUSYBOX_DEFAULT_UNXZ 133 help 134 unxz is a unlzma successor. 135 136config BUSYBOX_CONFIG_XZ 137 bool "Provide xz alias which supports only unpacking" 138 default BUSYBOX_DEFAULT_XZ 139 depends on BUSYBOX_CONFIG_UNXZ 140 help 141 Enable this option if you want commands like "xz -d" to work. 142 IOW: you'll get xz applet, but it will always require -d option. 143config BUSYBOX_CONFIG_BZIP2 144 bool "bzip2" 145 default BUSYBOX_DEFAULT_BZIP2 146 help 147 bzip2 is a compression utility using the Burrows-Wheeler block 148 sorting text compression algorithm, and Huffman coding. Compression 149 is generally considerably better than that achieved by more 150 conventional LZ77/LZ78-based compressors, and approaches the 151 performance of the PPM family of statistical compressors. 152 153 Unless you have a specific application which requires bzip2, you 154 should probably say N here. 155config BUSYBOX_CONFIG_CPIO 156 bool "cpio" 157 default BUSYBOX_DEFAULT_CPIO 158 help 159 cpio is an archival utility program used to create, modify, and 160 extract contents from archives. 161 cpio has 110 bytes of overheads for every stored file. 162 163 This implementation of cpio can extract cpio archives created in the 164 "newc" or "crc" format, it cannot create or modify them. 165 166 Unless you have a specific application which requires cpio, you 167 should probably say N here. 168 169config BUSYBOX_CONFIG_FEATURE_CPIO_O 170 bool "Support for archive creation" 171 default BUSYBOX_DEFAULT_FEATURE_CPIO_O 172 depends on BUSYBOX_CONFIG_CPIO 173 help 174 This implementation of cpio can create cpio archives in the "newc" 175 format only. 176 177config BUSYBOX_CONFIG_FEATURE_CPIO_P 178 bool "Support for passthrough mode" 179 default BUSYBOX_DEFAULT_FEATURE_CPIO_P 180 depends on BUSYBOX_CONFIG_FEATURE_CPIO_O 181 help 182 Passthrough mode. Rarely used. 183config BUSYBOX_CONFIG_DPKG 184 bool "dpkg" 185 default BUSYBOX_DEFAULT_DPKG 186 select BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ 187 help 188 dpkg is a medium-level tool to install, build, remove and manage 189 Debian packages. 190 191 This implementation of dpkg has a number of limitations, 192 you should use the official dpkg if possible. 193config BUSYBOX_CONFIG_DPKG_DEB 194 bool "dpkg_deb" 195 default BUSYBOX_DEFAULT_DPKG_DEB 196 select BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ 197 help 198 dpkg-deb unpacks and provides information about Debian archives. 199 200 This implementation of dpkg-deb cannot pack archives. 201 202 Unless you have a specific application which requires dpkg-deb, 203 say N here. 204 205config BUSYBOX_CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY 206 bool "Extract only (-x)" 207 default BUSYBOX_DEFAULT_FEATURE_DPKG_DEB_EXTRACT_ONLY 208 depends on BUSYBOX_CONFIG_DPKG_DEB 209 help 210 This reduces dpkg-deb to the equivalent of 211 "ar -p <deb> data.tar.gz | tar -zx". However it saves space as none 212 of the extra dpkg-deb, ar or tar options are needed, they are linked 213 to internally. 214config BUSYBOX_CONFIG_GZIP 215 bool "gzip" 216 default BUSYBOX_DEFAULT_GZIP 217 help 218 gzip is used to compress files. 219 It's probably the most widely used UNIX compression program. 220 221config BUSYBOX_CONFIG_FEATURE_GZIP_LONG_OPTIONS 222 bool "Enable long options" 223 default BUSYBOX_DEFAULT_FEATURE_GZIP_LONG_OPTIONS 224 depends on BUSYBOX_CONFIG_GZIP && BUSYBOX_CONFIG_LONG_OPTS 225 help 226 Enable use of long options, increases size by about 106 Bytes 227 228config BUSYBOX_CONFIG_GZIP_FAST 229 int "Trade memory for gzip speed (0:small,slow - 2:fast,big)" 230 default BUSYBOX_DEFAULT_GZIP_FAST 231 range 0 2 232 depends on BUSYBOX_CONFIG_GZIP 233 help 234 Enable big memory options for gzip. 235 0: small buffers, small hash-tables 236 1: larger buffers, larger hash-tables 237 2: larger buffers, largest hash-tables 238 Larger models may give slightly better compression 239 240config BUSYBOX_CONFIG_FEATURE_GZIP_LEVELS 241 bool "Enable compression levels" 242 default BUSYBOX_DEFAULT_FEATURE_GZIP_LEVELS 243 depends on BUSYBOX_CONFIG_GZIP 244 help 245 Enable support for compression levels 4-9. The default level 246 is 6. If levels 1-3 are specified, 4 is used. 247 If this option is not selected, -N options are ignored and -9 248 is used. 249config BUSYBOX_CONFIG_LZOP 250 bool "lzop" 251 default BUSYBOX_DEFAULT_LZOP 252 help 253 Lzop compression/decompresion. 254 255config BUSYBOX_CONFIG_LZOP_COMPR_HIGH 256 bool "lzop compression levels 7,8,9 (not very useful)" 257 default BUSYBOX_DEFAULT_LZOP_COMPR_HIGH 258 depends on BUSYBOX_CONFIG_LZOP 259 help 260 High levels (7,8,9) of lzop compression. These levels 261 are actually slower than gzip at equivalent compression ratios 262 and take up 3.2K of code. 263config BUSYBOX_CONFIG_RPM 264 bool "rpm" 265 default BUSYBOX_DEFAULT_RPM 266 help 267 Mini RPM applet - queries and extracts RPM packages. 268config BUSYBOX_CONFIG_RPM2CPIO 269 bool "rpm2cpio" 270 default BUSYBOX_DEFAULT_RPM2CPIO 271 help 272 Converts a RPM file into a CPIO archive. 273config BUSYBOX_CONFIG_TAR 274 bool "tar" 275 default BUSYBOX_DEFAULT_TAR 276 help 277 tar is an archiving program. It's commonly used with gzip to 278 create compressed archives. It's probably the most widely used 279 UNIX archive program. 280 281config BUSYBOX_CONFIG_FEATURE_TAR_CREATE 282 bool "Enable archive creation" 283 default BUSYBOX_DEFAULT_FEATURE_TAR_CREATE 284 depends on BUSYBOX_CONFIG_TAR 285 help 286 If you enable this option you'll be able to create 287 tar archives using the `-c' option. 288 289config BUSYBOX_CONFIG_FEATURE_TAR_AUTODETECT 290 bool "Autodetect compressed tarballs" 291 default BUSYBOX_DEFAULT_FEATURE_TAR_AUTODETECT 292 depends on BUSYBOX_CONFIG_TAR && (BUSYBOX_CONFIG_FEATURE_SEAMLESS_Z || BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ || BUSYBOX_CONFIG_FEATURE_SEAMLESS_BZ2 || BUSYBOX_CONFIG_FEATURE_SEAMLESS_LZMA || BUSYBOX_CONFIG_FEATURE_SEAMLESS_XZ) 293 help 294 With this option tar can automatically detect compressed 295 tarballs. Currently it works only on files (not pipes etc). 296 297config BUSYBOX_CONFIG_FEATURE_TAR_FROM 298 bool "Enable -X (exclude from) and -T (include from) options)" 299 default BUSYBOX_DEFAULT_FEATURE_TAR_FROM 300 depends on BUSYBOX_CONFIG_TAR 301 help 302 If you enable this option you'll be able to specify 303 a list of files to include or exclude from an archive. 304 305config BUSYBOX_CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY 306 bool "Support for old tar header format" 307 default BUSYBOX_DEFAULT_FEATURE_TAR_OLDGNU_COMPATIBILITY 308 depends on BUSYBOX_CONFIG_TAR || BUSYBOX_CONFIG_DPKG 309 help 310 This option is required to unpack archives created in 311 the old GNU format; help to kill this old format by 312 repacking your ancient archives with the new format. 313 314config BUSYBOX_CONFIG_FEATURE_TAR_OLDSUN_COMPATIBILITY 315 bool "Enable untarring of tarballs with checksums produced by buggy Sun tar" 316 default BUSYBOX_DEFAULT_FEATURE_TAR_OLDSUN_COMPATIBILITY 317 depends on BUSYBOX_CONFIG_TAR || BUSYBOX_CONFIG_DPKG 318 help 319 This option is required to unpack archives created by some old 320 version of Sun's tar (it was calculating checksum using signed 321 arithmetic). It is said to be fixed in newer Sun tar, but "old" 322 tarballs still exist. 323 324config BUSYBOX_CONFIG_FEATURE_TAR_GNU_EXTENSIONS 325 bool "Support for GNU tar extensions (long filenames)" 326 default BUSYBOX_DEFAULT_FEATURE_TAR_GNU_EXTENSIONS 327 depends on BUSYBOX_CONFIG_TAR || BUSYBOX_CONFIG_DPKG 328 help 329 With this option busybox supports GNU long filenames and 330 linknames. 331 332config BUSYBOX_CONFIG_FEATURE_TAR_LONG_OPTIONS 333 bool "Enable long options" 334 default BUSYBOX_DEFAULT_FEATURE_TAR_LONG_OPTIONS 335 depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_LONG_OPTS 336 help 337 Enable use of long options, increases size by about 400 Bytes 338 339config BUSYBOX_CONFIG_FEATURE_TAR_TO_COMMAND 340 bool "Support for writing to an external program" 341 default BUSYBOX_DEFAULT_FEATURE_TAR_TO_COMMAND 342 depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_FEATURE_TAR_LONG_OPTIONS 343 help 344 If you enable this option you'll be able to instruct tar to send 345 the contents of each extracted file to the standard input of an 346 external program. 347 348config BUSYBOX_CONFIG_FEATURE_TAR_UNAME_GNAME 349 bool "Enable use of user and group names" 350 default BUSYBOX_DEFAULT_FEATURE_TAR_UNAME_GNAME 351 depends on BUSYBOX_CONFIG_TAR 352 help 353 Enables use of user and group names in tar. This affects contents 354 listings (-t) and preserving permissions when unpacking (-p). 355 +200 bytes. 356 357config BUSYBOX_CONFIG_FEATURE_TAR_NOPRESERVE_TIME 358 bool "Enable -m (do not preserve time) option" 359 default BUSYBOX_DEFAULT_FEATURE_TAR_NOPRESERVE_TIME 360 depends on BUSYBOX_CONFIG_TAR 361 help 362 With this option busybox supports GNU tar -m 363 (do not preserve time) option. 364 365config BUSYBOX_CONFIG_FEATURE_TAR_SELINUX 366 bool "Support for extracting SELinux labels" 367 default BUSYBOX_DEFAULT_FEATURE_TAR_SELINUX 368 depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_SELINUX 369 help 370 With this option busybox supports restoring SELinux labels 371 when extracting files from tar archives. 372config BUSYBOX_CONFIG_UNZIP 373 bool "unzip" 374 default BUSYBOX_DEFAULT_UNZIP 375 help 376 unzip will list or extract files from a ZIP archive, 377 commonly found on DOS/WIN systems. The default behavior 378 (with no options) is to extract the archive into the 379 current directory. Use the `-d' option to extract to a 380 directory of your choice. 381 382endmenu 383