| 1 | # |
| 2 | # For a description of the syntax of this configuration file, |
| 3 | # see scripts/kbuild/config-language.txt. |
| 4 | # |
| 5 | |
| 6 | menu "Archival Utilities" |
| 7 | |
| 8 | config BUSYBOX_CONFIG_FEATURE_SEAMLESS_LZMA |
| 9 | bool "Make tar, rpm, modprobe etc understand .lzma data" |
| 10 | default n |
| 11 | help |
| 12 | Make tar, rpm, modprobe etc understand .lzma data. |
| 13 | |
| 14 | config BUSYBOX_CONFIG_FEATURE_SEAMLESS_BZ2 |
| 15 | bool "Make tar, rpm, modprobe etc understand .bz2 data" |
| 16 | default n |
| 17 | help |
| 18 | Make tar, rpm, modprobe etc understand .bz2 data. |
| 19 | |
| 20 | config BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ |
| 21 | bool "Make tar, rpm, modprobe etc understand .gz data" |
| 22 | default y |
| 23 | help |
| 24 | Make tar, rpm, modprobe etc understand .gz data. |
| 25 | |
| 26 | config BUSYBOX_CONFIG_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 | |
| 32 | config BUSYBOX_CONFIG_AR |
| 33 | bool "ar" |
| 34 | default n |
| 35 | help |
| 36 | ar is an archival utility program used to create, modify, and |
| 37 | extract contents from archives. An archive is a single file holding |
| 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 |
| 42 | extraction. |
| 43 | |
| 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. |
| 50 | On an x86 system, the ar applet adds about 1K. |
| 51 | |
| 52 | Unless you have a specific application which requires ar, you should |
| 53 | probably say N here. |
| 54 | |
| 55 | config BUSYBOX_CONFIG_FEATURE_AR_LONG_FILENAMES |
| 56 | bool "Support for long filenames (not needed for debs)" |
| 57 | default n |
| 58 | depends on BUSYBOX_CONFIG_AR |
| 59 | help |
| 60 | By default the ar format can only store the first 15 characters |
| 61 | of the filename, this option removes that limitation. |
| 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. |
| 64 | |
| 65 | config BUSYBOX_CONFIG_BUNZIP2 |
| 66 | bool "bunzip2" |
| 67 | default y |
| 68 | help |
| 69 | bunzip2 is a compression utility using the Burrows-Wheeler block |
| 70 | sorting text compression algorithm, and Huffman coding. Compression |
| 71 | is generally considerably better than that achieved by more |
| 72 | conventional LZ77/LZ78-based compressors, and approaches the |
| 73 | performance of the PPM family of statistical compressors. |
| 74 | |
| 75 | Unless you have a specific application which requires bunzip2, you |
| 76 | should probably say N here. |
| 77 | |
| 78 | config BUSYBOX_CONFIG_BZIP2 |
| 79 | bool "bzip2" |
| 80 | default n |
| 81 | help |
| 82 | bzip2 is a compression utility using the Burrows-Wheeler block |
| 83 | sorting text compression algorithm, and Huffman coding. Compression |
| 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 | |
| 91 | config BUSYBOX_CONFIG_CPIO |
| 92 | bool "cpio" |
| 93 | default n |
| 94 | help |
| 95 | cpio is an archival utility program used to create, modify, and |
| 96 | extract contents from archives. |
| 97 | cpio has 110 bytes of overheads for every stored file. |
| 98 | |
| 99 | This implementation of cpio can extract cpio archives created in the |
| 100 | "newc" or "crc" format, it cannot create or modify them. |
| 101 | |
| 102 | Unless you have a specific application which requires cpio, you |
| 103 | should probably say N here. |
| 104 | |
| 105 | config BUSYBOX_CONFIG_FEATURE_CPIO_O |
| 106 | bool "Support for archive creation" |
| 107 | default n |
| 108 | depends on BUSYBOX_CONFIG_CPIO |
| 109 | help |
| 110 | This implementation of cpio can create cpio archives in the "newc" |
| 111 | format only. |
| 112 | |
| 113 | config BUSYBOX_CONFIG_FEATURE_CPIO_P |
| 114 | bool "Support for passthrough mode" |
| 115 | default n |
| 116 | depends on BUSYBOX_CONFIG_FEATURE_CPIO_O |
| 117 | help |
| 118 | Passthrough mode. Rarely used. |
| 119 | |
| 120 | config BUSYBOX_CONFIG_DPKG |
| 121 | bool "dpkg" |
| 122 | default n |
| 123 | select BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ |
| 124 | help |
| 125 | dpkg is a medium-level tool to install, build, remove and manage |
| 126 | Debian packages. |
| 127 | |
| 128 | This implementation of dpkg has a number of limitations, |
| 129 | you should use the official dpkg if possible. |
| 130 | |
| 131 | config BUSYBOX_CONFIG_DPKG_DEB |
| 132 | bool "dpkg_deb" |
| 133 | default n |
| 134 | select BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ |
| 135 | help |
| 136 | dpkg-deb unpacks and provides information about Debian archives. |
| 137 | |
| 138 | This implementation of dpkg-deb cannot pack archives. |
| 139 | |
| 140 | Unless you have a specific application which requires dpkg-deb, |
| 141 | say N here. |
| 142 | |
| 143 | config BUSYBOX_CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY |
| 144 | bool "Extract only (-x)" |
| 145 | default n |
| 146 | depends on BUSYBOX_CONFIG_DPKG_DEB |
| 147 | help |
| 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. |
| 152 | |
| 153 | config BUSYBOX_CONFIG_GUNZIP |
| 154 | bool "gunzip" |
| 155 | default y |
| 156 | help |
| 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. |
| 160 | |
| 161 | config BUSYBOX_CONFIG_GZIP |
| 162 | bool "gzip" |
| 163 | default y |
| 164 | help |
| 165 | gzip is used to compress files. |
| 166 | It's probably the most widely used UNIX compression program. |
| 167 | |
| 168 | config BUSYBOX_CONFIG_LZOP |
| 169 | bool "lzop" |
| 170 | default n |
| 171 | help |
| 172 | Lzop compression/decompresion. |
| 173 | |
| 174 | config BUSYBOX_CONFIG_LZOP_COMPR_HIGH |
| 175 | bool "lzop complession levels 7,8,9 (not very useful)" |
| 176 | default n |
| 177 | depends on BUSYBOX_CONFIG_LZOP |
| 178 | help |
| 179 | High levels (7,8,9) of lzop compression. These levels |
| 180 | are actually slower than gzip at equivalent compression ratios |
| 181 | and take up 3.2K of code. |
| 182 | |
| 183 | config BUSYBOX_CONFIG_RPM2CPIO |
| 184 | bool "rpm2cpio" |
| 185 | default n |
| 186 | help |
| 187 | Converts an RPM file into a CPIO archive. |
| 188 | |
| 189 | config BUSYBOX_CONFIG_RPM |
| 190 | bool "rpm" |
| 191 | default n |
| 192 | help |
| 193 | Mini RPM applet - queries and extracts RPM packages. |
| 194 | |
| 195 | config BUSYBOX_CONFIG_TAR |
| 196 | bool "tar" |
| 197 | default y |
| 198 | help |
| 199 | tar is an archiving program. It's commonly used with gzip to |
| 200 | create compressed archives. It's probably the most widely used |
| 201 | UNIX archive program. |
| 202 | |
| 203 | if BUSYBOX_CONFIG_TAR |
| 204 | |
| 205 | config BUSYBOX_CONFIG_FEATURE_TAR_CREATE |
| 206 | bool "Enable archive creation" |
| 207 | default y |
| 208 | depends on BUSYBOX_CONFIG_TAR |
| 209 | help |
| 210 | If you enable this option you'll be able to create |
| 211 | tar archives using the `-c' option. |
| 212 | |
| 213 | config BUSYBOX_CONFIG_FEATURE_TAR_AUTODETECT |
| 214 | bool "Autodetect compressed tarballs" |
| 215 | default n |
| 216 | depends on BUSYBOX_CONFIG_FEATURE_SEAMLESS_Z || BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ || BUSYBOX_CONFIG_FEATURE_SEAMLESS_BZ2 || BUSYBOX_CONFIG_FEATURE_SEAMLESS_LZMA |
| 217 | help |
| 218 | With this option tar can automatically detect compressed |
| 219 | tarballs. Currently it works only on files (not pipes etc). |
| 220 | |
| 221 | config BUSYBOX_CONFIG_FEATURE_TAR_FROM |
| 222 | bool "Enable -X (exclude from) and -T (include from) options)" |
| 223 | default y |
| 224 | depends on BUSYBOX_CONFIG_TAR |
| 225 | help |
| 226 | If you enable this option you'll be able to specify |
| 227 | a list of files to include or exclude from an archive. |
| 228 | |
| 229 | config BUSYBOX_CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY |
| 230 | bool "Support for old tar header format" |
| 231 | default n |
| 232 | depends on BUSYBOX_CONFIG_TAR |
| 233 | help |
| 234 | This option is required to unpack archives created in |
| 235 | the old GNU format; help to kill this old format by |
| 236 | repacking your ancient archives with the new format. |
| 237 | |
| 238 | config BUSYBOX_CONFIG_FEATURE_TAR_OLDSUN_COMPATIBILITY |
| 239 | bool "Enable untarring of tarballs with checksums produced by buggy Sun tar" |
| 240 | default n |
| 241 | depends on BUSYBOX_CONFIG_TAR |
| 242 | help |
| 243 | This option is required to unpack archives created by some old |
| 244 | version of Sun's tar (it was calculating checksum using signed |
| 245 | arithmetic). It is said to be fixed in newer Sun tar, but "old" |
| 246 | tarballs still exist. |
| 247 | |
| 248 | config BUSYBOX_CONFIG_FEATURE_TAR_GNU_EXTENSIONS |
| 249 | bool "Support for GNU tar extensions (long filenames)" |
| 250 | default y |
| 251 | depends on BUSYBOX_CONFIG_TAR |
| 252 | help |
| 253 | With this option busybox supports GNU long filenames and |
| 254 | linknames. |
| 255 | |
| 256 | config BUSYBOX_CONFIG_FEATURE_TAR_LONG_OPTIONS |
| 257 | bool "Enable long options" |
| 258 | default n |
| 259 | depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_LONG_OPTS |
| 260 | help |
| 261 | Enable use of long options, increases size by about 400 Bytes |
| 262 | |
| 263 | config BUSYBOX_CONFIG_FEATURE_TAR_UNAME_GNAME |
| 264 | bool "Enable use of user and group names" |
| 265 | default n |
| 266 | depends on BUSYBOX_CONFIG_TAR |
| 267 | help |
| 268 | Enables use of user and group names in tar. This affects contents |
| 269 | listings (-t) and preserving permissions when unpacking (-p). |
| 270 | +200 bytes. |
| 271 | |
| 272 | endif #tar |
| 273 | |
| 274 | config BUSYBOX_CONFIG_UNCOMPRESS |
| 275 | bool "uncompress" |
| 276 | default n |
| 277 | help |
| 278 | uncompress is used to decompress archives created by compress. |
| 279 | Not much used anymore, replaced by gzip/gunzip. |
| 280 | |
| 281 | config BUSYBOX_CONFIG_UNLZMA |
| 282 | bool "unlzma" |
| 283 | default n |
| 284 | help |
| 285 | unlzma is a compression utility using the Lempel-Ziv-Markov chain |
| 286 | compression algorithm, and range coding. Compression |
| 287 | is generally considerably better than that achieved by the bzip2 |
| 288 | compressors. |
| 289 | |
| 290 | The BusyBox unlzma applet is limited to de-compression only. |
| 291 | On an x86 system, this applet adds about 4K. |
| 292 | |
| 293 | Unless you have a specific application which requires unlzma, you |
| 294 | should probably say N here. |
| 295 | |
| 296 | config BUSYBOX_CONFIG_FEATURE_LZMA_FAST |
| 297 | bool "Optimize unlzma for speed" |
| 298 | default n |
| 299 | depends on BUSYBOX_CONFIG_UNLZMA |
| 300 | help |
| 301 | This option reduces decompression time by about 25% at the cost of |
| 302 | a 1K bigger binary. |
| 303 | |
| 304 | config BUSYBOX_CONFIG_UNZIP |
| 305 | bool "unzip" |
| 306 | default n |
| 307 | help |
| 308 | unzip will list or extract files from a ZIP archive, |
| 309 | commonly found on DOS/WIN systems. The default behavior |
| 310 | (with no options) is to extract the archive into the |
| 311 | current directory. Use the `-d' option to extract to a |
| 312 | directory of your choice. |
| 313 | |
| 314 | endmenu |
| 315 | |
