OpenWrt – Rev 1
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# DO NOT EDIT. This file is generated from Config.src
#
# For a description of the syntax of this configuration file,
# see docs/Kconfig-language.txt.
#
menu "Archival Utilities"
config BUSYBOX_CONFIG_FEATURE_SEAMLESS_XZ
bool "Make tar, rpm, modprobe etc understand .xz data"
default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_XZ
config BUSYBOX_CONFIG_FEATURE_SEAMLESS_LZMA
bool "Make tar, rpm, modprobe etc understand .lzma data"
default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_LZMA
config BUSYBOX_CONFIG_FEATURE_SEAMLESS_BZ2
bool "Make tar, rpm, modprobe etc understand .bz2 data"
default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_BZ2
config BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ
bool "Make tar, rpm, modprobe etc understand .gz data"
default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_GZ
config BUSYBOX_CONFIG_FEATURE_SEAMLESS_Z
bool "Make tar, rpm, modprobe etc understand .Z data"
default BUSYBOX_DEFAULT_FEATURE_SEAMLESS_Z # it is ancient
config BUSYBOX_CONFIG_AR
bool "ar (9.5 kb)"
default BUSYBOX_DEFAULT_AR # needs to be improved to be able to replace binutils ar
help
ar is an archival utility program used to create, modify, and
extract contents from archives. In practice, it is used exclusively
for object module archives used by compilers.
Unless you have a specific application which requires ar, you should
probably say N here: most compilers come with their own ar utility.
config BUSYBOX_CONFIG_FEATURE_AR_LONG_FILENAMES
bool "Support long filenames (not needed for debs)"
default BUSYBOX_DEFAULT_FEATURE_AR_LONG_FILENAMES
depends on BUSYBOX_CONFIG_AR
help
By default the ar format can only store the first 15 characters
of the filename, this option removes that limitation.
It supports the GNU ar long filename method which moves multiple long
filenames into a the data section of a new ar entry.
config BUSYBOX_CONFIG_FEATURE_AR_CREATE
bool "Support archive creation"
default BUSYBOX_DEFAULT_FEATURE_AR_CREATE
depends on BUSYBOX_CONFIG_AR
help
This enables archive creation (-c and -r) with busybox ar.
config BUSYBOX_CONFIG_UNCOMPRESS
bool "uncompress (7.1 kb)"
default BUSYBOX_DEFAULT_UNCOMPRESS # ancient
help
uncompress is used to decompress archives created by compress.
Not much used anymore, replaced by gzip/gunzip.
config BUSYBOX_CONFIG_GUNZIP
bool "gunzip (11 kb)"
default BUSYBOX_DEFAULT_GUNZIP
select BUSYBOX_CONFIG_FEATURE_GZIP_DECOMPRESS
help
gunzip is used to decompress archives created by gzip.
You can use the '-t' option to test the integrity of
an archive, without decompressing it.
config BUSYBOX_CONFIG_ZCAT
bool "zcat (24 kb)"
default BUSYBOX_DEFAULT_ZCAT
select BUSYBOX_CONFIG_FEATURE_GZIP_DECOMPRESS
help
Alias to "gunzip -c".
config BUSYBOX_CONFIG_FEATURE_GUNZIP_LONG_OPTIONS
bool "Enable long options"
default BUSYBOX_DEFAULT_FEATURE_GUNZIP_LONG_OPTIONS
depends on (BUSYBOX_CONFIG_GUNZIP || BUSYBOX_CONFIG_ZCAT) && BUSYBOX_CONFIG_LONG_OPTS
config BUSYBOX_CONFIG_BUNZIP2
bool "bunzip2 (8.7 kb)"
default BUSYBOX_DEFAULT_BUNZIP2
select BUSYBOX_CONFIG_FEATURE_BZIP2_DECOMPRESS
help
bunzip2 is a compression utility using the Burrows-Wheeler block
sorting text compression algorithm, and Huffman coding. Compression
is generally considerably better than that achieved by more
conventional LZ77/LZ78-based compressors, and approaches the
performance of the PPM family of statistical compressors.
Unless you have a specific application which requires bunzip2, you
should probably say N here.
config BUSYBOX_CONFIG_BZCAT
bool "bzcat (8.7 kb)"
default BUSYBOX_DEFAULT_BZCAT
select BUSYBOX_CONFIG_FEATURE_BZIP2_DECOMPRESS
help
Alias to "bunzip2 -c".
config BUSYBOX_CONFIG_UNLZMA
bool "unlzma (7.5 kb)"
default BUSYBOX_DEFAULT_UNLZMA
help
unlzma is a compression utility using the Lempel-Ziv-Markov chain
compression algorithm, and range coding. Compression
is generally considerably better than that achieved by the bzip2
compressors.
config BUSYBOX_CONFIG_LZCAT
bool "lzcat (7.5 kb)"
default BUSYBOX_DEFAULT_LZCAT
help
Alias to "unlzma -c".
config BUSYBOX_CONFIG_LZMA
bool "lzma -d"
default BUSYBOX_DEFAULT_LZMA
help
Enable this option if you want commands like "lzma -d" to work.
IOW: you'll get lzma applet, but it will always require -d option.
config BUSYBOX_CONFIG_UNXZ
bool "unxz (13 kb)"
default BUSYBOX_DEFAULT_UNXZ
help
unxz is a unlzma successor.
config BUSYBOX_CONFIG_XZCAT
bool "xzcat (13 kb)"
default BUSYBOX_DEFAULT_XZCAT
help
Alias to "unxz -c".
config BUSYBOX_CONFIG_XZ
bool "xz -d"
default BUSYBOX_DEFAULT_XZ
help
Enable this option if you want commands like "xz -d" to work.
IOW: you'll get xz applet, but it will always require -d option.
config BUSYBOX_CONFIG_BZIP2
bool "bzip2 (16 kb)"
default BUSYBOX_DEFAULT_BZIP2
help
bzip2 is a compression utility using the Burrows-Wheeler block
sorting text compression algorithm, and Huffman coding. Compression
is generally considerably better than that achieved by more
conventional LZ77/LZ78-based compressors, and approaches the
performance of the PPM family of statistical compressors.
Unless you have a specific application which requires bzip2, you
should probably say N here.
config BUSYBOX_CONFIG_BZIP2_SMALL
int "Trade bytes for speed (0:fast, 9:small)"
default BUSYBOX_DEFAULT_BZIP2_SMALL # all "fast or small" options default to small
range 0 9
depends on BUSYBOX_CONFIG_BZIP2
help
Trade code size versus speed.
Approximate values with gcc-6.3.0 "bzip -9" compressing
linux-4.15.tar were:
value time (sec) code size (386)
9 (smallest) 70.11 7687
8 67.93 8091
7 67.88 8405
6 67.78 8624
5 67.05 9427
4-0 (fastest) 64.14 12083
config BUSYBOX_CONFIG_FEATURE_BZIP2_DECOMPRESS
bool "Enable decompression"
default BUSYBOX_DEFAULT_FEATURE_BZIP2_DECOMPRESS
depends on BUSYBOX_CONFIG_BZIP2 || BUSYBOX_CONFIG_BUNZIP2 || BUSYBOX_CONFIG_BZCAT
help
Enable -d (--decompress) and -t (--test) options for bzip2.
This will be automatically selected if bunzip2 or bzcat is
enabled.
config BUSYBOX_CONFIG_CPIO
bool "cpio (15 kb)"
default BUSYBOX_DEFAULT_CPIO
help
cpio is an archival utility program used to create, modify, and
extract contents from archives.
cpio has 110 bytes of overheads for every stored file.
This implementation of cpio can extract cpio archives created in the
"newc" or "crc" format.
Unless you have a specific application which requires cpio, you
should probably say N here.
config BUSYBOX_CONFIG_FEATURE_CPIO_O
bool "Support archive creation"
default BUSYBOX_DEFAULT_FEATURE_CPIO_O
depends on BUSYBOX_CONFIG_CPIO
help
This implementation of cpio can create cpio archives in the "newc"
format only.
config BUSYBOX_CONFIG_FEATURE_CPIO_P
bool "Support passthrough mode"
default BUSYBOX_DEFAULT_FEATURE_CPIO_P
depends on BUSYBOX_CONFIG_FEATURE_CPIO_O
help
Passthrough mode. Rarely used.
config BUSYBOX_CONFIG_DPKG
bool "dpkg (43 kb)"
default BUSYBOX_DEFAULT_DPKG
select BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ
help
dpkg is a medium-level tool to install, build, remove and manage
Debian packages.
This implementation of dpkg has a number of limitations,
you should use the official dpkg if possible.
config BUSYBOX_CONFIG_DPKG_DEB
bool "dpkg-deb (30 kb)"
default BUSYBOX_DEFAULT_DPKG_DEB
select BUSYBOX_CONFIG_FEATURE_SEAMLESS_GZ
help
dpkg-deb unpacks and provides information about Debian archives.
This implementation of dpkg-deb cannot pack archives.
Unless you have a specific application which requires dpkg-deb,
say N here.
config BUSYBOX_CONFIG_GZIP
bool "gzip (17 kb)"
default BUSYBOX_DEFAULT_GZIP
help
gzip is used to compress files.
It's probably the most widely used UNIX compression program.
config BUSYBOX_CONFIG_FEATURE_GZIP_LONG_OPTIONS
bool "Enable long options"
default BUSYBOX_DEFAULT_FEATURE_GZIP_LONG_OPTIONS
depends on BUSYBOX_CONFIG_GZIP && BUSYBOX_CONFIG_LONG_OPTS
config BUSYBOX_CONFIG_GZIP_FAST
int "Trade memory for speed (0:small,slow - 2:fast,big)"
default BUSYBOX_DEFAULT_GZIP_FAST
range 0 2
depends on BUSYBOX_CONFIG_GZIP
help
Enable big memory options for gzip.
0: small buffers, small hash-tables
1: larger buffers, larger hash-tables
2: larger buffers, largest hash-tables
Larger models may give slightly better compression
config BUSYBOX_CONFIG_FEATURE_GZIP_LEVELS
bool "Enable compression levels"
default BUSYBOX_DEFAULT_FEATURE_GZIP_LEVELS
depends on BUSYBOX_CONFIG_GZIP
help
Enable support for compression levels 4-9. The default level
is 6. If levels 1-3 are specified, 4 is used.
If this option is not selected, -N options are ignored and -9
is used.
config BUSYBOX_CONFIG_FEATURE_GZIP_DECOMPRESS
bool "Enable decompression"
default BUSYBOX_DEFAULT_FEATURE_GZIP_DECOMPRESS
depends on BUSYBOX_CONFIG_GZIP || BUSYBOX_CONFIG_GUNZIP || BUSYBOX_CONFIG_ZCAT
help
Enable -d (--decompress) and -t (--test) options for gzip.
This will be automatically selected if gunzip or zcat is
enabled.
config BUSYBOX_CONFIG_LZOP
bool "lzop (12 kb)"
default BUSYBOX_DEFAULT_LZOP
help
Lzop compression/decompresion.
config BUSYBOX_CONFIG_UNLZOP
bool "unlzop (13 kb)"
default BUSYBOX_DEFAULT_UNLZOP # INCOMPAT: upstream lzop does not provide such tool
help
Lzop decompresion.
config BUSYBOX_CONFIG_LZOPCAT
bool "lzopcat (13 kb)"
default BUSYBOX_DEFAULT_LZOPCAT # INCOMPAT: upstream lzop does not provide such tool
help
Alias to "lzop -dc".
config BUSYBOX_CONFIG_LZOP_COMPR_HIGH
bool "lzop compression levels 7,8,9 (not very useful)"
default BUSYBOX_DEFAULT_LZOP_COMPR_HIGH
depends on BUSYBOX_CONFIG_LZOP || BUSYBOX_CONFIG_UNLZOP || BUSYBOX_CONFIG_LZOPCAT
help
High levels (7,8,9) of lzop compression. These levels
are actually slower than gzip at equivalent compression ratios
and take up 3.2K of code.
config BUSYBOX_CONFIG_RPM
bool "rpm (32 kb)"
default BUSYBOX_DEFAULT_RPM
help
Mini RPM applet - queries and extracts RPM packages.
config BUSYBOX_CONFIG_RPM2CPIO
bool "rpm2cpio (21 kb)"
default BUSYBOX_DEFAULT_RPM2CPIO
help
Converts a RPM file into a CPIO archive.
config BUSYBOX_CONFIG_TAR
bool "tar (39 kb)"
default BUSYBOX_DEFAULT_TAR
help
tar is an archiving program. It's commonly used with gzip to
create compressed archives. It's probably the most widely used
UNIX archive program.
config BUSYBOX_CONFIG_FEATURE_TAR_LONG_OPTIONS
bool "Enable long options"
default BUSYBOX_DEFAULT_FEATURE_TAR_LONG_OPTIONS
depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_LONG_OPTS
config BUSYBOX_CONFIG_FEATURE_TAR_CREATE
bool "Enable -c (archive creation)"
default BUSYBOX_DEFAULT_FEATURE_TAR_CREATE
depends on BUSYBOX_CONFIG_TAR
config BUSYBOX_CONFIG_FEATURE_TAR_AUTODETECT
bool "Autodetect compressed tarballs"
default BUSYBOX_DEFAULT_FEATURE_TAR_AUTODETECT
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)
help
With this option tar can automatically detect compressed
tarballs. Currently it works only on files (not pipes etc).
config BUSYBOX_CONFIG_FEATURE_TAR_FROM
bool "Enable -X (exclude from) and -T (include from) options"
default BUSYBOX_DEFAULT_FEATURE_TAR_FROM
depends on BUSYBOX_CONFIG_TAR
help
If you enable this option you'll be able to specify
a list of files to include or exclude from an archive.
config BUSYBOX_CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY
bool "Support old tar header format"
default BUSYBOX_DEFAULT_FEATURE_TAR_OLDGNU_COMPATIBILITY
depends on BUSYBOX_CONFIG_TAR || BUSYBOX_CONFIG_DPKG
help
This option is required to unpack archives created in
the old GNU format; help to kill this old format by
repacking your ancient archives with the new format.
config BUSYBOX_CONFIG_FEATURE_TAR_OLDSUN_COMPATIBILITY
bool "Enable untarring of tarballs with checksums produced by buggy Sun tar"
default BUSYBOX_DEFAULT_FEATURE_TAR_OLDSUN_COMPATIBILITY
depends on BUSYBOX_CONFIG_TAR || BUSYBOX_CONFIG_DPKG
help
This option is required to unpack archives created by some old
version of Sun's tar (it was calculating checksum using signed
arithmetic). It is said to be fixed in newer Sun tar, but "old"
tarballs still exist.
config BUSYBOX_CONFIG_FEATURE_TAR_GNU_EXTENSIONS
bool "Support GNU tar extensions (long filenames)"
default BUSYBOX_DEFAULT_FEATURE_TAR_GNU_EXTENSIONS
depends on BUSYBOX_CONFIG_TAR || BUSYBOX_CONFIG_DPKG
config BUSYBOX_CONFIG_FEATURE_TAR_TO_COMMAND
bool "Support writing to an external program (--to-command)"
default BUSYBOX_DEFAULT_FEATURE_TAR_TO_COMMAND
depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_FEATURE_TAR_LONG_OPTIONS
help
If you enable this option you'll be able to instruct tar to send
the contents of each extracted file to the standard input of an
external program.
config BUSYBOX_CONFIG_FEATURE_TAR_UNAME_GNAME
bool "Enable use of user and group names"
default BUSYBOX_DEFAULT_FEATURE_TAR_UNAME_GNAME
depends on BUSYBOX_CONFIG_TAR
help
Enable use of user and group names in tar. This affects contents
listings (-t) and preserving permissions when unpacking (-p).
+200 bytes.
config BUSYBOX_CONFIG_FEATURE_TAR_NOPRESERVE_TIME
bool "Enable -m (do not preserve time) GNU option"
default BUSYBOX_DEFAULT_FEATURE_TAR_NOPRESERVE_TIME
depends on BUSYBOX_CONFIG_TAR
config BUSYBOX_CONFIG_FEATURE_TAR_SELINUX
bool "Support extracting SELinux labels"
default BUSYBOX_DEFAULT_FEATURE_TAR_SELINUX
depends on BUSYBOX_CONFIG_TAR && BUSYBOX_CONFIG_SELINUX
help
With this option busybox supports restoring SELinux labels
when extracting files from tar archives.
config BUSYBOX_CONFIG_UNZIP
bool "unzip (26 kb)"
default BUSYBOX_DEFAULT_UNZIP
help
unzip will list or extract files from a ZIP archive,
commonly found on DOS/WIN systems. The default behavior
(with no options) is to extract the archive into the
current directory.
config BUSYBOX_CONFIG_FEATURE_UNZIP_CDF
bool "Read and use Central Directory data"
default BUSYBOX_DEFAULT_FEATURE_UNZIP_CDF
depends on BUSYBOX_CONFIG_UNZIP
help
If you know that you only need to deal with simple
ZIP files without deleted/updated files, SFX archives etc,
you can reduce code size by unselecting this option.
To support less trivial ZIPs, say Y.
config BUSYBOX_CONFIG_FEATURE_UNZIP_BZIP2
bool "Support compression method 12 (bzip2)"
default BUSYBOX_DEFAULT_FEATURE_UNZIP_BZIP2
depends on BUSYBOX_CONFIG_FEATURE_UNZIP_CDF && BUSYBOX_CONFIG_DESKTOP
config BUSYBOX_CONFIG_FEATURE_UNZIP_LZMA
bool "Support compression method 14 (lzma)"
default BUSYBOX_DEFAULT_FEATURE_UNZIP_LZMA
depends on BUSYBOX_CONFIG_FEATURE_UNZIP_CDF && BUSYBOX_CONFIG_DESKTOP
config BUSYBOX_CONFIG_FEATURE_UNZIP_XZ
bool "Support compression method 95 (xz)"
default BUSYBOX_DEFAULT_FEATURE_UNZIP_XZ
depends on BUSYBOX_CONFIG_FEATURE_UNZIP_CDF && BUSYBOX_CONFIG_DESKTOP
config BUSYBOX_CONFIG_FEATURE_LZMA_FAST
bool "Optimize lzma for speed"
default BUSYBOX_DEFAULT_FEATURE_LZMA_FAST
depends on BUSYBOX_CONFIG_UNLZMA || BUSYBOX_CONFIG_LZCAT || BUSYBOX_CONFIG_LZMA || BUSYBOX_CONFIG_FEATURE_SEAMLESS_LZMA
help
This option reduces decompression time by about 25% at the cost of
a 1K bigger binary.
endmenu