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Config.in 29 KB

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  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. menu "Linux System Utilities"
  7. config BUSYBOX_CONFIG_BLKDISCARD
  8. bool "blkdiscard"
  9. default BUSYBOX_DEFAULT_BLKDISCARD
  10. help
  11. blkdiscard discards sectors on a given device.
  12. config BUSYBOX_CONFIG_BLOCKDEV
  13. bool "blockdev"
  14. default BUSYBOX_DEFAULT_BLOCKDEV
  15. help
  16. Performs some ioctls with block devices.
  17. config BUSYBOX_CONFIG_FATATTR
  18. bool "fatattr"
  19. default BUSYBOX_DEFAULT_FATATTR
  20. select BUSYBOX_CONFIG_PLATFORM_LINUX
  21. help
  22. fatattr lists or changes the file attributes on a fat file system.
  23. config BUSYBOX_CONFIG_FSTRIM
  24. bool "fstrim"
  25. default BUSYBOX_DEFAULT_FSTRIM
  26. select BUSYBOX_CONFIG_PLATFORM_LINUX
  27. help
  28. Discard unused blocks on a mounted filesystem.
  29. config BUSYBOX_CONFIG_MDEV
  30. bool "mdev"
  31. default BUSYBOX_DEFAULT_MDEV
  32. select BUSYBOX_CONFIG_PLATFORM_LINUX
  33. help
  34. mdev is a mini-udev implementation for dynamically creating device
  35. nodes in the /dev directory.
  36. For more information, please see docs/mdev.txt
  37. config BUSYBOX_CONFIG_FEATURE_MDEV_CONF
  38. bool "Support /etc/mdev.conf"
  39. default BUSYBOX_DEFAULT_FEATURE_MDEV_CONF
  40. depends on BUSYBOX_CONFIG_MDEV
  41. help
  42. Add support for the mdev config file to control ownership and
  43. permissions of the device nodes.
  44. For more information, please see docs/mdev.txt
  45. config BUSYBOX_CONFIG_FEATURE_MDEV_RENAME
  46. bool "Support subdirs/symlinks"
  47. default BUSYBOX_DEFAULT_FEATURE_MDEV_RENAME
  48. depends on BUSYBOX_CONFIG_FEATURE_MDEV_CONF
  49. help
  50. Add support for renaming devices and creating symlinks.
  51. For more information, please see docs/mdev.txt
  52. config BUSYBOX_CONFIG_FEATURE_MDEV_RENAME_REGEXP
  53. bool "Support regular expressions substitutions when renaming device"
  54. default BUSYBOX_DEFAULT_FEATURE_MDEV_RENAME_REGEXP
  55. depends on BUSYBOX_CONFIG_FEATURE_MDEV_RENAME
  56. help
  57. Add support for regular expressions substitutions when renaming
  58. device.
  59. config BUSYBOX_CONFIG_FEATURE_MDEV_EXEC
  60. bool "Support command execution at device addition/removal"
  61. default BUSYBOX_DEFAULT_FEATURE_MDEV_EXEC
  62. depends on BUSYBOX_CONFIG_FEATURE_MDEV_CONF
  63. help
  64. This adds support for an optional field to /etc/mdev.conf for
  65. executing commands when devices are created/removed.
  66. For more information, please see docs/mdev.txt
  67. config BUSYBOX_CONFIG_FEATURE_MDEV_LOAD_FIRMWARE
  68. bool "Support loading of firmwares"
  69. default BUSYBOX_DEFAULT_FEATURE_MDEV_LOAD_FIRMWARE
  70. depends on BUSYBOX_CONFIG_MDEV
  71. help
  72. Some devices need to load firmware before they can be usable.
  73. These devices will request userspace look up the files in
  74. /lib/firmware/ and if it exists, send it to the kernel for
  75. loading into the hardware.
  76. config BUSYBOX_CONFIG_MOUNT
  77. bool "mount"
  78. default BUSYBOX_DEFAULT_MOUNT
  79. select BUSYBOX_CONFIG_PLATFORM_LINUX
  80. help
  81. All files and filesystems in Unix are arranged into one big directory
  82. tree. The 'mount' utility is used to graft a filesystem onto a
  83. particular part of the tree. A filesystem can either live on a block
  84. device, or it can be accessible over the network, as is the case with
  85. NFS filesystems. Most people using BusyBox will also want to enable
  86. the 'mount' utility.
  87. config BUSYBOX_CONFIG_FEATURE_MOUNT_FAKE
  88. bool "Support option -f"
  89. default BUSYBOX_DEFAULT_FEATURE_MOUNT_FAKE
  90. depends on BUSYBOX_CONFIG_MOUNT
  91. help
  92. Enable support for faking a file system mount.
  93. config BUSYBOX_CONFIG_FEATURE_MOUNT_VERBOSE
  94. bool "Support option -v"
  95. default BUSYBOX_DEFAULT_FEATURE_MOUNT_VERBOSE
  96. depends on BUSYBOX_CONFIG_MOUNT
  97. help
  98. Enable multi-level -v[vv...] verbose messages. Useful if you
  99. debug mount problems and want to see what is exactly passed
  100. to the kernel.
  101. config BUSYBOX_CONFIG_FEATURE_MOUNT_HELPERS
  102. bool "Support mount helpers"
  103. default BUSYBOX_DEFAULT_FEATURE_MOUNT_HELPERS
  104. depends on BUSYBOX_CONFIG_MOUNT
  105. help
  106. Enable mounting of virtual file systems via external helpers.
  107. E.g. "mount obexfs#-b00.11.22.33.44.55 /mnt" will in effect call
  108. "obexfs -b00.11.22.33.44.55 /mnt"
  109. Also "mount -t sometype [-o opts] fs /mnt" will try
  110. "sometype [-o opts] fs /mnt" if simple mount syscall fails.
  111. The idea is to use such virtual filesystems in /etc/fstab.
  112. config BUSYBOX_CONFIG_FEATURE_MOUNT_LABEL
  113. bool "Support specifying devices by label or UUID"
  114. default BUSYBOX_DEFAULT_FEATURE_MOUNT_LABEL
  115. depends on BUSYBOX_CONFIG_MOUNT
  116. select BUSYBOX_CONFIG_VOLUMEID
  117. help
  118. This allows for specifying a device by label or uuid, rather than by
  119. name. This feature utilizes the same functionality as blkid/findfs.
  120. This also enables label or uuid support for swapon.
  121. config BUSYBOX_CONFIG_FEATURE_MOUNT_NFS
  122. bool "Support mounting NFS file systems on Linux < 2.6.23"
  123. default BUSYBOX_DEFAULT_FEATURE_MOUNT_NFS
  124. depends on BUSYBOX_CONFIG_MOUNT
  125. select BUSYBOX_CONFIG_FEATURE_HAVE_RPC
  126. select BUSYBOX_CONFIG_FEATURE_SYSLOG
  127. help
  128. Enable mounting of NFS file systems on Linux kernels prior
  129. to version 2.6.23. Note that in this case mounting of NFS
  130. over IPv6 will not be possible.
  131. Note that this option links in RPC support from libc,
  132. which is rather large (~10 kbytes on uclibc).
  133. config BUSYBOX_CONFIG_FEATURE_MOUNT_CIFS
  134. bool "Support mounting CIFS/SMB file systems"
  135. default BUSYBOX_DEFAULT_FEATURE_MOUNT_CIFS
  136. depends on BUSYBOX_CONFIG_MOUNT
  137. help
  138. Enable support for samba mounts.
  139. config BUSYBOX_CONFIG_FEATURE_MOUNT_FLAGS
  140. depends on BUSYBOX_CONFIG_MOUNT
  141. bool "Support lots of -o flags in mount"
  142. default BUSYBOX_DEFAULT_FEATURE_MOUNT_FLAGS
  143. help
  144. Without this, mount only supports ro/rw/remount. With this, it
  145. supports nosuid, suid, dev, nodev, exec, noexec, sync, async, atime,
  146. noatime, diratime, nodiratime, loud, bind, move, shared, slave,
  147. private, unbindable, rshared, rslave, rprivate, and runbindable.
  148. config BUSYBOX_CONFIG_FEATURE_MOUNT_FSTAB
  149. depends on BUSYBOX_CONFIG_MOUNT
  150. bool "Support /etc/fstab and -a"
  151. default BUSYBOX_DEFAULT_FEATURE_MOUNT_FSTAB
  152. help
  153. Support mount all and looking for files in /etc/fstab.
  154. config BUSYBOX_CONFIG_FEATURE_MOUNT_OTHERTAB
  155. depends on BUSYBOX_CONFIG_FEATURE_MOUNT_FSTAB
  156. bool "Support -T <alt_fstab>"
  157. default BUSYBOX_DEFAULT_FEATURE_MOUNT_OTHERTAB
  158. help
  159. Support mount -T (specifying an alternate fstab)
  160. config BUSYBOX_CONFIG_NSENTER
  161. bool "nsenter"
  162. default BUSYBOX_DEFAULT_NSENTER
  163. select BUSYBOX_CONFIG_PLATFORM_LINUX
  164. help
  165. Run program with namespaces of other processes.
  166. config BUSYBOX_CONFIG_FEATURE_NSENTER_LONG_OPTS
  167. bool "Enable long options"
  168. default BUSYBOX_DEFAULT_FEATURE_NSENTER_LONG_OPTS
  169. depends on BUSYBOX_CONFIG_NSENTER && BUSYBOX_CONFIG_LONG_OPTS
  170. help
  171. Support long options for the nsenter applet. This makes
  172. the busybox implementation more compatible with upstream.
  173. config BUSYBOX_CONFIG_REV
  174. bool "rev"
  175. default BUSYBOX_DEFAULT_REV
  176. help
  177. Reverse lines of a file or files.
  178. config BUSYBOX_CONFIG_SETARCH
  179. bool "setarch"
  180. default BUSYBOX_DEFAULT_SETARCH
  181. select BUSYBOX_CONFIG_PLATFORM_LINUX
  182. help
  183. The linux32 utility is used to create a 32bit environment for the
  184. specified program (usually a shell). It only makes sense to have
  185. this util on a system that supports both 64bit and 32bit userland
  186. (like amd64/x86, ppc64/ppc, sparc64/sparc, etc...).
  187. config BUSYBOX_CONFIG_UEVENT
  188. bool "uevent"
  189. default BUSYBOX_DEFAULT_UEVENT
  190. select BUSYBOX_CONFIG_PLATFORM_LINUX
  191. help
  192. uevent is a netlink listener for kernel uevent notifications
  193. sent via netlink. It is usually used for dynamic device creation.
  194. config BUSYBOX_CONFIG_UNSHARE
  195. bool "unshare"
  196. default BUSYBOX_DEFAULT_UNSHARE
  197. depends on BUSYBOX_CONFIG_LONG_OPTS && !BUSYBOX_CONFIG_NOMMU
  198. select BUSYBOX_CONFIG_PLATFORM_LINUX
  199. help
  200. Run program with some namespaces unshared from parent.
  201. config BUSYBOX_CONFIG_ACPID
  202. bool "acpid"
  203. default BUSYBOX_DEFAULT_ACPID
  204. select BUSYBOX_CONFIG_PLATFORM_LINUX
  205. help
  206. acpid listens to ACPI events coming either in textual form from
  207. /proc/acpi/event (though it is marked deprecated it is still widely
  208. used and _is_ a standard) or in binary form from specified evdevs
  209. (just use /dev/input/event*).
  210. It parses the event to retrieve ACTION and a possible PARAMETER.
  211. It then spawns /etc/acpi/<ACTION>[/<PARAMETER>] either via run-parts
  212. (if the resulting path is a directory) or directly as an executable.
  213. N.B. acpid relies on run-parts so have the latter installed.
  214. config BUSYBOX_CONFIG_FEATURE_ACPID_COMPAT
  215. bool "Accept and ignore redundant options"
  216. default BUSYBOX_DEFAULT_FEATURE_ACPID_COMPAT
  217. depends on BUSYBOX_CONFIG_ACPID
  218. help
  219. Accept and ignore compatibility options -g -m -s -S -v.
  220. config BUSYBOX_CONFIG_BLKID
  221. bool "blkid"
  222. default BUSYBOX_DEFAULT_BLKID
  223. select BUSYBOX_CONFIG_PLATFORM_LINUX
  224. select BUSYBOX_CONFIG_VOLUMEID
  225. help
  226. Lists labels and UUIDs of all filesystems.
  227. WARNING:
  228. With all submodules selected, it will add ~8k to busybox.
  229. config BUSYBOX_CONFIG_FEATURE_BLKID_TYPE
  230. bool "Print filesystem type"
  231. default BUSYBOX_DEFAULT_FEATURE_BLKID_TYPE
  232. depends on BUSYBOX_CONFIG_BLKID
  233. help
  234. Show TYPE="filesystem type"
  235. config BUSYBOX_CONFIG_DMESG
  236. bool "dmesg"
  237. default BUSYBOX_DEFAULT_DMESG
  238. select BUSYBOX_CONFIG_PLATFORM_LINUX
  239. help
  240. dmesg is used to examine or control the kernel ring buffer. When the
  241. Linux kernel prints messages to the system log, they are stored in
  242. the kernel ring buffer. You can use dmesg to print the kernel's ring
  243. buffer, clear the kernel ring buffer, change the size of the kernel
  244. ring buffer, and change the priority level at which kernel messages
  245. are also logged to the system console. Enable this option if you
  246. wish to enable the 'dmesg' utility.
  247. config BUSYBOX_CONFIG_FEATURE_DMESG_PRETTY
  248. bool "Pretty dmesg output"
  249. default BUSYBOX_DEFAULT_FEATURE_DMESG_PRETTY
  250. depends on BUSYBOX_CONFIG_DMESG
  251. help
  252. If you wish to scrub the syslog level from the output, say 'Y' here.
  253. The syslog level is a string prefixed to every line with the form
  254. "<#>".
  255. With this option you will see:
  256. # dmesg
  257. Linux version 2.6.17.4 .....
  258. BIOS-provided physical RAM map:
  259. BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
  260. Without this option you will see:
  261. # dmesg
  262. <5>Linux version 2.6.17.4 .....
  263. <6>BIOS-provided physical RAM map:
  264. <6> BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
  265. config BUSYBOX_CONFIG_FBSET
  266. bool "fbset"
  267. default BUSYBOX_DEFAULT_FBSET
  268. select BUSYBOX_CONFIG_PLATFORM_LINUX
  269. help
  270. fbset is used to show or change the settings of a Linux frame buffer
  271. device. The frame buffer device provides a simple and unique
  272. interface to access a graphics display. Enable this option
  273. if you wish to enable the 'fbset' utility.
  274. config BUSYBOX_CONFIG_FEATURE_FBSET_FANCY
  275. bool "Turn on extra fbset options"
  276. default BUSYBOX_DEFAULT_FEATURE_FBSET_FANCY
  277. depends on BUSYBOX_CONFIG_FBSET
  278. help
  279. This option enables extended fbset options, allowing one to set the
  280. framebuffer size, color depth, etc. interface to access a graphics
  281. display. Enable this option if you wish to enable extended fbset
  282. options.
  283. config BUSYBOX_CONFIG_FEATURE_FBSET_READMODE
  284. bool "Turn on fbset readmode support"
  285. default BUSYBOX_DEFAULT_FEATURE_FBSET_READMODE
  286. depends on BUSYBOX_CONFIG_FBSET
  287. help
  288. This option allows fbset to read the video mode database stored by
  289. default BUSYBOX_DEFAULT_FEATURE_FBSET_READMODE /etc/fb.modes, which can be used to set frame buffer
  290. device to pre-defined video modes.
  291. config BUSYBOX_CONFIG_FDFLUSH
  292. bool "fdflush"
  293. default BUSYBOX_DEFAULT_FDFLUSH
  294. select BUSYBOX_CONFIG_PLATFORM_LINUX
  295. help
  296. fdflush is only needed when changing media on slightly-broken
  297. removable media drives. It is used to make Linux believe that a
  298. hardware disk-change switch has been actuated, which causes Linux to
  299. forget anything it has cached from the previous media. If you have
  300. such a slightly-broken drive, you will need to run fdflush every time
  301. you change a disk. Most people have working hardware and can safely
  302. leave this disabled.
  303. config BUSYBOX_CONFIG_FDFORMAT
  304. bool "fdformat"
  305. default BUSYBOX_DEFAULT_FDFORMAT
  306. select BUSYBOX_CONFIG_PLATFORM_LINUX
  307. help
  308. fdformat is used to low-level format a floppy disk.
  309. config BUSYBOX_CONFIG_FDISK
  310. bool "fdisk"
  311. default BUSYBOX_DEFAULT_FDISK
  312. select BUSYBOX_CONFIG_PLATFORM_LINUX
  313. help
  314. The fdisk utility is used to divide hard disks into one or more
  315. logical disks, which are generally called partitions. This utility
  316. can be used to list and edit the set of partitions or BSD style
  317. 'disk slices' that are defined on a hard drive.
  318. config BUSYBOX_CONFIG_FDISK_SUPPORT_LARGE_DISKS
  319. bool "Support over 4GB disks"
  320. default BUSYBOX_DEFAULT_FDISK_SUPPORT_LARGE_DISKS
  321. depends on BUSYBOX_CONFIG_FDISK
  322. depends on !BUSYBOX_CONFIG_LFS # with LFS no special code is needed
  323. help
  324. Enable this option to support large disks > 4GB.
  325. config BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  326. bool "Write support"
  327. default BUSYBOX_DEFAULT_FEATURE_FDISK_WRITABLE
  328. depends on BUSYBOX_CONFIG_FDISK
  329. help
  330. Enabling this option allows you to create or change a partition table
  331. and write those changes out to disk. If you leave this option
  332. disabled, you will only be able to view the partition table.
  333. config BUSYBOX_CONFIG_FEATURE_AIX_LABEL
  334. bool "Support AIX disklabels"
  335. default BUSYBOX_DEFAULT_FEATURE_AIX_LABEL
  336. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  337. help
  338. Enabling this option allows you to create or change AIX disklabels.
  339. Most people can safely leave this option disabled.
  340. config BUSYBOX_CONFIG_FEATURE_SGI_LABEL
  341. bool "Support SGI disklabels"
  342. default BUSYBOX_DEFAULT_FEATURE_SGI_LABEL
  343. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  344. help
  345. Enabling this option allows you to create or change SGI disklabels.
  346. Most people can safely leave this option disabled.
  347. config BUSYBOX_CONFIG_FEATURE_SUN_LABEL
  348. bool "Support SUN disklabels"
  349. default BUSYBOX_DEFAULT_FEATURE_SUN_LABEL
  350. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  351. help
  352. Enabling this option allows you to create or change SUN disklabels.
  353. Most people can safely leave this option disabled.
  354. config BUSYBOX_CONFIG_FEATURE_OSF_LABEL
  355. bool "Support BSD disklabels"
  356. default BUSYBOX_DEFAULT_FEATURE_OSF_LABEL
  357. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  358. help
  359. Enabling this option allows you to create or change BSD disklabels
  360. and define and edit BSD disk slices.
  361. config BUSYBOX_CONFIG_FEATURE_GPT_LABEL
  362. bool "Support GPT disklabels"
  363. default BUSYBOX_DEFAULT_FEATURE_GPT_LABEL
  364. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  365. help
  366. Enabling this option allows you to view GUID Partition Table
  367. disklabels.
  368. config BUSYBOX_CONFIG_FEATURE_FDISK_ADVANCED
  369. bool "Support expert mode"
  370. default BUSYBOX_DEFAULT_FEATURE_FDISK_ADVANCED
  371. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  372. help
  373. Enabling this option allows you to do terribly unsafe things like
  374. define arbitrary drive geometry, move the beginning of data in a
  375. partition, and similarly evil things. Unless you have a very good
  376. reason you would be wise to leave this disabled.
  377. config BUSYBOX_CONFIG_FINDFS
  378. bool "findfs"
  379. default BUSYBOX_DEFAULT_FINDFS
  380. select BUSYBOX_CONFIG_PLATFORM_LINUX
  381. select BUSYBOX_CONFIG_VOLUMEID
  382. help
  383. Prints the name of a filesystem with given label or UUID.
  384. WARNING:
  385. With all submodules selected, it will add ~8k to busybox.
  386. config BUSYBOX_CONFIG_FLOCK
  387. bool "flock"
  388. default BUSYBOX_DEFAULT_FLOCK
  389. help
  390. Manage locks from shell scripts
  391. config BUSYBOX_CONFIG_FREERAMDISK
  392. bool "freeramdisk"
  393. default BUSYBOX_DEFAULT_FREERAMDISK
  394. select BUSYBOX_CONFIG_PLATFORM_LINUX
  395. help
  396. Linux allows you to create ramdisks. This utility allows you to
  397. delete them and completely free all memory that was used for the
  398. ramdisk. For example, if you boot Linux into a ramdisk and later
  399. pivot_root, you may want to free the memory that is allocated to the
  400. ramdisk. If you have no use for freeing memory from a ramdisk, leave
  401. this disabled.
  402. config BUSYBOX_CONFIG_FSCK_MINIX
  403. bool "fsck_minix"
  404. default BUSYBOX_DEFAULT_FSCK_MINIX
  405. help
  406. The minix filesystem is a nice, small, compact, read-write filesystem
  407. with little overhead. It is not a journaling filesystem however and
  408. can experience corruption if it is not properly unmounted or if the
  409. power goes off in the middle of a write. This utility allows you to
  410. check for and attempt to repair any corruption that occurs to a minix
  411. filesystem.
  412. config BUSYBOX_CONFIG_MKFS_EXT2
  413. bool "mkfs_ext2"
  414. default BUSYBOX_DEFAULT_MKFS_EXT2
  415. select BUSYBOX_CONFIG_PLATFORM_LINUX
  416. help
  417. Utility to create EXT2 filesystems.
  418. config BUSYBOX_CONFIG_MKFS_MINIX
  419. bool "mkfs_minix"
  420. default BUSYBOX_DEFAULT_MKFS_MINIX
  421. select BUSYBOX_CONFIG_PLATFORM_LINUX
  422. help
  423. The minix filesystem is a nice, small, compact, read-write filesystem
  424. with little overhead. If you wish to be able to create minix
  425. filesystems this utility will do the job for you.
  426. config BUSYBOX_CONFIG_FEATURE_MINIX2
  427. bool "Support Minix fs v2 (fsck_minix/mkfs_minix)"
  428. default BUSYBOX_DEFAULT_FEATURE_MINIX2
  429. depends on BUSYBOX_CONFIG_FSCK_MINIX || BUSYBOX_CONFIG_MKFS_MINIX
  430. help
  431. If you wish to be able to create version 2 minix filesystems, enable
  432. this. If you enabled 'mkfs_minix' then you almost certainly want to
  433. be using the version 2 filesystem support.
  434. config BUSYBOX_CONFIG_MKFS_REISER
  435. bool "mkfs_reiser"
  436. default BUSYBOX_DEFAULT_MKFS_REISER
  437. select BUSYBOX_CONFIG_PLATFORM_LINUX
  438. help
  439. Utility to create ReiserFS filesystems.
  440. Note: this applet needs a lot of testing and polishing.
  441. config BUSYBOX_CONFIG_MKFS_VFAT
  442. bool "mkfs_vfat"
  443. default BUSYBOX_DEFAULT_MKFS_VFAT
  444. select BUSYBOX_CONFIG_PLATFORM_LINUX
  445. help
  446. Utility to create FAT32 filesystems.
  447. config BUSYBOX_CONFIG_GETOPT
  448. bool "getopt"
  449. default BUSYBOX_DEFAULT_GETOPT
  450. help
  451. The getopt utility is used to break up (parse) options in command
  452. lines to make it easy to write complex shell scripts that also check
  453. for legal (and illegal) options. If you want to write horribly
  454. complex shell scripts, or use some horribly complex shell script
  455. written by others, this utility may be for you. Most people will
  456. wisely leave this disabled.
  457. config BUSYBOX_CONFIG_FEATURE_GETOPT_LONG
  458. bool "Support option -l"
  459. default BUSYBOX_DEFAULT_FEATURE_GETOPT_LONG if BUSYBOX_CONFIG_LONG_OPTS
  460. depends on BUSYBOX_CONFIG_GETOPT
  461. help
  462. Enable support for long options (option -l).
  463. config BUSYBOX_CONFIG_HEXDUMP
  464. bool "hexdump"
  465. default BUSYBOX_DEFAULT_HEXDUMP
  466. help
  467. The hexdump utility is used to display binary data in a readable
  468. way that is comparable to the output from most hex editors.
  469. config BUSYBOX_CONFIG_FEATURE_HEXDUMP_REVERSE
  470. bool "Support -R, reverse of 'hexdump -Cv'"
  471. default BUSYBOX_DEFAULT_FEATURE_HEXDUMP_REVERSE
  472. depends on BUSYBOX_CONFIG_HEXDUMP
  473. help
  474. The hexdump utility is used to display binary data in an ascii
  475. readable way. This option creates binary data from an ascii input.
  476. NB: this option is non-standard. It's unwise to use it in scripts
  477. aimed to be portable.
  478. config BUSYBOX_CONFIG_HD
  479. bool "hd"
  480. default BUSYBOX_DEFAULT_HD
  481. depends on BUSYBOX_CONFIG_HEXDUMP
  482. help
  483. hd is an alias to hexdump -C.
  484. config BUSYBOX_CONFIG_HWCLOCK
  485. bool "hwclock"
  486. default BUSYBOX_DEFAULT_HWCLOCK
  487. select BUSYBOX_CONFIG_PLATFORM_LINUX
  488. help
  489. The hwclock utility is used to read and set the hardware clock
  490. on a system. This is primarily used to set the current time on
  491. shutdown in the hardware clock, so the hardware will keep the
  492. correct time when Linux is _not_ running.
  493. config BUSYBOX_CONFIG_FEATURE_HWCLOCK_LONG_OPTIONS
  494. bool "Support long options (--hctosys,...)"
  495. default BUSYBOX_DEFAULT_FEATURE_HWCLOCK_LONG_OPTIONS
  496. depends on BUSYBOX_CONFIG_HWCLOCK && BUSYBOX_CONFIG_LONG_OPTS
  497. help
  498. By default, the hwclock utility only uses short options. If you
  499. are overly fond of its long options, such as --hctosys, --utc, etc)
  500. then enable this option.
  501. config BUSYBOX_CONFIG_FEATURE_HWCLOCK_ADJTIME_FHS
  502. bool "Use FHS /var/lib/hwclock/adjtime"
  503. default BUSYBOX_DEFAULT_FEATURE_HWCLOCK_ADJTIME_FHS # util-linux-ng in Fedora 13 still uses /etc/adjtime
  504. depends on BUSYBOX_CONFIG_HWCLOCK
  505. help
  506. Starting with FHS 2.3, the adjtime state file is supposed to exist
  507. at /var/lib/hwclock/adjtime instead of /etc/adjtime. If you wish
  508. to use the FHS behavior, answer Y here, otherwise answer N for the
  509. classic /etc/adjtime path.
  510. pathname.com/fhs/pub/fhs-2.3.html#VARLIBHWCLOCKSTATEDIRECTORYFORHWCLO
  511. config BUSYBOX_CONFIG_IPCRM
  512. bool "ipcrm"
  513. default BUSYBOX_DEFAULT_IPCRM
  514. help
  515. The ipcrm utility allows the removal of System V interprocess
  516. communication (IPC) objects and the associated data structures
  517. from the system.
  518. config BUSYBOX_CONFIG_IPCS
  519. bool "ipcs"
  520. default BUSYBOX_DEFAULT_IPCS
  521. select BUSYBOX_CONFIG_PLATFORM_LINUX
  522. help
  523. The ipcs utility is used to provide information on the currently
  524. allocated System V interprocess (IPC) objects in the system.
  525. config BUSYBOX_CONFIG_LOSETUP
  526. bool "losetup"
  527. default BUSYBOX_DEFAULT_LOSETUP
  528. select BUSYBOX_CONFIG_PLATFORM_LINUX
  529. help
  530. losetup is used to associate or detach a loop device with a regular
  531. file or block device, and to query the status of a loop device. This
  532. version does not currently support enabling data encryption.
  533. config BUSYBOX_CONFIG_LSPCI
  534. bool "lspci"
  535. default BUSYBOX_DEFAULT_LSPCI
  536. #select PLATFORM_LINUX
  537. help
  538. lspci is a utility for displaying information about PCI buses in the
  539. system and devices connected to them.
  540. This version uses sysfs (/sys/bus/pci/devices) only.
  541. config BUSYBOX_CONFIG_LSUSB
  542. bool "lsusb"
  543. default BUSYBOX_DEFAULT_LSUSB
  544. #select PLATFORM_LINUX
  545. help
  546. lsusb is a utility for displaying information about USB buses in the
  547. system and devices connected to them.
  548. This version uses sysfs (/sys/bus/usb/devices) only.
  549. config BUSYBOX_CONFIG_MKSWAP
  550. bool "mkswap"
  551. default BUSYBOX_DEFAULT_MKSWAP
  552. help
  553. The mkswap utility is used to configure a file or disk partition as
  554. Linux swap space. This allows Linux to use the entire file or
  555. partition as if it were additional RAM, which can greatly increase
  556. the capability of low-memory machines. This additional memory is
  557. much slower than real RAM, but can be very helpful at preventing your
  558. applications being killed by the Linux out of memory (OOM) killer.
  559. Once you have created swap space using 'mkswap' you need to enable
  560. the swap space using the 'swapon' utility.
  561. config BUSYBOX_CONFIG_FEATURE_MKSWAP_UUID
  562. bool "UUID support"
  563. default BUSYBOX_DEFAULT_FEATURE_MKSWAP_UUID
  564. depends on BUSYBOX_CONFIG_MKSWAP
  565. help
  566. Generate swap spaces with universally unique identifiers.
  567. config BUSYBOX_CONFIG_MORE
  568. bool "more"
  569. default BUSYBOX_DEFAULT_MORE
  570. help
  571. more is a simple utility which allows you to read text one screen
  572. sized page at a time. If you want to read text that is larger than
  573. the screen, and you are using anything faster than a 300 baud modem,
  574. you will probably find this utility very helpful. If you don't have
  575. any need to reading text files, you can leave this disabled.
  576. config BUSYBOX_CONFIG_PIVOT_ROOT
  577. bool "pivot_root"
  578. default BUSYBOX_DEFAULT_PIVOT_ROOT
  579. select BUSYBOX_CONFIG_PLATFORM_LINUX
  580. help
  581. The pivot_root utility swaps the mount points for the root filesystem
  582. with some other mounted filesystem. This allows you to do all sorts
  583. of wild and crazy things with your Linux system and is far more
  584. powerful than 'chroot'.
  585. Note: This is for initrd in linux 2.4. Under initramfs (introduced
  586. in linux 2.6) use switch_root instead.
  587. config BUSYBOX_CONFIG_RDATE
  588. bool "rdate"
  589. default BUSYBOX_DEFAULT_RDATE
  590. help
  591. The rdate utility allows you to synchronize the date and time of your
  592. system clock with the date and time of a remote networked system using
  593. the RFC868 protocol, which is built into the inetd daemon on most
  594. systems.
  595. config BUSYBOX_CONFIG_RDEV
  596. bool "rdev"
  597. default BUSYBOX_DEFAULT_RDEV
  598. help
  599. Print the device node associated with the filesystem mounted at '/'.
  600. config BUSYBOX_CONFIG_READPROFILE
  601. bool "readprofile"
  602. default BUSYBOX_DEFAULT_READPROFILE
  603. #select PLATFORM_LINUX
  604. help
  605. This allows you to parse /proc/profile for basic profiling.
  606. config BUSYBOX_CONFIG_RTCWAKE
  607. bool "rtcwake"
  608. default BUSYBOX_DEFAULT_RTCWAKE
  609. select BUSYBOX_CONFIG_PLATFORM_LINUX
  610. help
  611. Enter a system sleep state until specified wakeup time.
  612. config BUSYBOX_CONFIG_SCRIPT
  613. bool "script"
  614. default BUSYBOX_DEFAULT_SCRIPT
  615. help
  616. The script makes typescript of terminal session.
  617. config BUSYBOX_CONFIG_SCRIPTREPLAY
  618. bool "scriptreplay"
  619. default BUSYBOX_DEFAULT_SCRIPTREPLAY
  620. help
  621. This program replays a typescript, using timing information
  622. given by script -t.
  623. config BUSYBOX_CONFIG_SWAPONOFF
  624. bool "swaponoff"
  625. default BUSYBOX_DEFAULT_SWAPONOFF
  626. select BUSYBOX_CONFIG_PLATFORM_LINUX
  627. help
  628. This option enables both the 'swapon' and the 'swapoff' utilities.
  629. Once you have created some swap space using 'mkswap', you also need
  630. to enable your swap space with the 'swapon' utility. The 'swapoff'
  631. utility is used, typically at system shutdown, to disable any swap
  632. space. If you are not using any swap space, you can leave this
  633. option disabled.
  634. config BUSYBOX_CONFIG_FEATURE_SWAPON_DISCARD
  635. bool "Support discard option -d"
  636. default BUSYBOX_DEFAULT_FEATURE_SWAPON_DISCARD
  637. depends on BUSYBOX_CONFIG_SWAPONOFF
  638. help
  639. Enable support for discarding swap area blocks at swapon and/or as
  640. the kernel frees them. This option enables both the -d option on
  641. 'swapon' and the 'discard' option for swap entries in /etc/fstab.
  642. config BUSYBOX_CONFIG_FEATURE_SWAPON_PRI
  643. bool "Support priority option -p"
  644. default BUSYBOX_DEFAULT_FEATURE_SWAPON_PRI
  645. depends on BUSYBOX_CONFIG_SWAPONOFF
  646. help
  647. Enable support for setting swap device priority in swapon.
  648. config BUSYBOX_CONFIG_SWITCH_ROOT
  649. bool "switch_root"
  650. default BUSYBOX_DEFAULT_SWITCH_ROOT
  651. select BUSYBOX_CONFIG_PLATFORM_LINUX
  652. help
  653. The switch_root utility is used from initramfs to select a new
  654. root device. Under initramfs, you have to use this instead of
  655. pivot_root. (Stop reading here if you don't care why.)
  656. Booting with initramfs extracts a gzipped cpio archive into rootfs
  657. (which is a variant of ramfs/tmpfs). Because rootfs can't be moved
  658. or unmounted*, pivot_root will not work from initramfs. Instead,
  659. switch_root deletes everything out of rootfs (including itself),
  660. does a mount --move that overmounts rootfs with the new root, and
  661. then execs the specified init program.
  662. * Because the Linux kernel uses rootfs internally as the starting
  663. and ending point for searching through the kernel's doubly linked
  664. list of active mount points. That's why.
  665. config BUSYBOX_CONFIG_UMOUNT
  666. bool "umount"
  667. default BUSYBOX_DEFAULT_UMOUNT
  668. select BUSYBOX_CONFIG_PLATFORM_LINUX
  669. help
  670. When you want to remove a mounted filesystem from its current mount
  671. point, for example when you are shutting down the system, the
  672. 'umount' utility is the tool to use. If you enabled the 'mount'
  673. utility, you almost certainly also want to enable 'umount'.
  674. config BUSYBOX_CONFIG_FEATURE_UMOUNT_ALL
  675. bool "Support option -a"
  676. default BUSYBOX_DEFAULT_FEATURE_UMOUNT_ALL
  677. depends on BUSYBOX_CONFIG_UMOUNT
  678. help
  679. Support -a option to unmount all currently mounted filesystems.
  680. comment "Common options for mount/umount"
  681. depends on BUSYBOX_CONFIG_MOUNT || BUSYBOX_CONFIG_UMOUNT
  682. config BUSYBOX_CONFIG_FEATURE_MOUNT_LOOP
  683. bool "Support loopback mounts"
  684. default BUSYBOX_DEFAULT_FEATURE_MOUNT_LOOP
  685. depends on BUSYBOX_CONFIG_MOUNT || BUSYBOX_CONFIG_UMOUNT
  686. help
  687. Enabling this feature allows automatic mounting of files (containing
  688. filesystem images) via the linux kernel's loopback devices.
  689. The mount command will detect you are trying to mount a file instead
  690. of a block device, and transparently associate the file with a
  691. loopback device. The umount command will also free that loopback
  692. device.
  693. You can still use the 'losetup' utility (to manually associate files
  694. with loop devices) if you need to do something advanced, such as
  695. specify an offset or cryptographic options to the loopback device.
  696. (If you don't want umount to free the loop device, use "umount -D".)
  697. config BUSYBOX_CONFIG_FEATURE_MOUNT_LOOP_CREATE
  698. bool "Create new loopback devices if needed"
  699. default BUSYBOX_DEFAULT_FEATURE_MOUNT_LOOP_CREATE
  700. depends on BUSYBOX_CONFIG_FEATURE_MOUNT_LOOP
  701. help
  702. Linux kernels >= 2.6.24 support unlimited loopback devices. They are
  703. allocated for use when trying to use a loop device. The loop device
  704. must however exist.
  705. This feature lets mount to try to create next /dev/loopN device
  706. if it does not find a free one.
  707. config BUSYBOX_CONFIG_FEATURE_MTAB_SUPPORT
  708. bool "Support for the old /etc/mtab file"
  709. default BUSYBOX_DEFAULT_FEATURE_MTAB_SUPPORT
  710. depends on BUSYBOX_CONFIG_MOUNT || BUSYBOX_CONFIG_UMOUNT
  711. select BUSYBOX_CONFIG_FEATURE_MOUNT_FAKE
  712. help
  713. Historically, Unix systems kept track of the currently mounted
  714. partitions in the file "/etc/mtab". These days, the kernel exports
  715. the list of currently mounted partitions in "/proc/mounts", rendering
  716. the old mtab file obsolete. (In modern systems, /etc/mtab should be
  717. a symlink to /proc/mounts.)
  718. The only reason to have mount maintain an /etc/mtab file itself is if
  719. your stripped-down embedded system does not have a /proc directory.
  720. If you must use this, keep in mind it's inherently brittle (for
  721. example a mount under chroot won't update it), can't handle modern
  722. features like separate per-process filesystem namespaces, requires
  723. that your /etc directory be writable, tends to get easily confused
  724. by --bind or --move mounts, won't update if you rename a directory
  725. that contains a mount point, and so on. (In brief: avoid.)
  726. About the only reason to use this is if you've removed /proc from
  727. your kernel.
  728. source volume_id/Config.in
  729. endmenu