Config.in 30 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_ACPID
  8. bool "acpid"
  9. default BUSYBOX_DEFAULT_ACPID
  10. select BUSYBOX_CONFIG_PLATFORM_LINUX
  11. help
  12. acpid listens to ACPI events coming either in textual form from
  13. /proc/acpi/event (though it is marked deprecated it is still widely
  14. used and _is_ a standard) or in binary form from specified evdevs
  15. (just use /dev/input/event*).
  16. It parses the event to retrieve ACTION and a possible PARAMETER.
  17. It then spawns /etc/acpi/<ACTION>[/<PARAMETER>] either via run-parts
  18. (if the resulting path is a directory) or directly as an executable.
  19. N.B. acpid relies on run-parts so have the latter installed.
  20. config BUSYBOX_CONFIG_FEATURE_ACPID_COMPAT
  21. bool "Accept and ignore redundant options"
  22. default BUSYBOX_DEFAULT_FEATURE_ACPID_COMPAT
  23. depends on BUSYBOX_CONFIG_ACPID
  24. help
  25. Accept and ignore compatibility options -g -m -s -S -v.
  26. config BUSYBOX_CONFIG_BLKDISCARD
  27. bool "blkdiscard"
  28. default BUSYBOX_DEFAULT_BLKDISCARD
  29. help
  30. blkdiscard discards sectors on a given device.
  31. config BUSYBOX_CONFIG_BLKID
  32. bool "blkid"
  33. default BUSYBOX_DEFAULT_BLKID
  34. select BUSYBOX_CONFIG_PLATFORM_LINUX
  35. select BUSYBOX_CONFIG_VOLUMEID
  36. help
  37. Lists labels and UUIDs of all filesystems.
  38. WARNING:
  39. With all submodules selected, it will add ~8k to busybox.
  40. config BUSYBOX_CONFIG_FEATURE_BLKID_TYPE
  41. bool "Print filesystem type"
  42. default BUSYBOX_DEFAULT_FEATURE_BLKID_TYPE
  43. depends on BUSYBOX_CONFIG_BLKID
  44. help
  45. Show TYPE="filesystem type"
  46. config BUSYBOX_CONFIG_BLOCKDEV
  47. bool "blockdev"
  48. default BUSYBOX_DEFAULT_BLOCKDEV
  49. help
  50. Performs some ioctls with block devices.
  51. config BUSYBOX_CONFIG_DMESG
  52. bool "dmesg"
  53. default BUSYBOX_DEFAULT_DMESG
  54. select BUSYBOX_CONFIG_PLATFORM_LINUX
  55. help
  56. dmesg is used to examine or control the kernel ring buffer. When the
  57. Linux kernel prints messages to the system log, they are stored in
  58. the kernel ring buffer. You can use dmesg to print the kernel's ring
  59. buffer, clear the kernel ring buffer, change the size of the kernel
  60. ring buffer, and change the priority level at which kernel messages
  61. are also logged to the system console. Enable this option if you
  62. wish to enable the 'dmesg' utility.
  63. config BUSYBOX_CONFIG_FEATURE_DMESG_PRETTY
  64. bool "Pretty dmesg output"
  65. default BUSYBOX_DEFAULT_FEATURE_DMESG_PRETTY
  66. depends on BUSYBOX_CONFIG_DMESG
  67. help
  68. If you wish to scrub the syslog level from the output, say 'Y' here.
  69. The syslog level is a string prefixed to every line with the form
  70. "<#>".
  71. With this option you will see:
  72. # dmesg
  73. Linux version 2.6.17.4 .....
  74. BIOS-provided physical RAM map:
  75. BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
  76. Without this option you will see:
  77. # dmesg
  78. <5>Linux version 2.6.17.4 .....
  79. <6>BIOS-provided physical RAM map:
  80. <6> BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
  81. config BUSYBOX_CONFIG_FATATTR
  82. bool "fatattr"
  83. default BUSYBOX_DEFAULT_FATATTR
  84. select BUSYBOX_CONFIG_PLATFORM_LINUX
  85. help
  86. fatattr lists or changes the file attributes on a fat file system.
  87. config BUSYBOX_CONFIG_FBSET
  88. bool "fbset"
  89. default BUSYBOX_DEFAULT_FBSET
  90. select BUSYBOX_CONFIG_PLATFORM_LINUX
  91. help
  92. fbset is used to show or change the settings of a Linux frame buffer
  93. device. The frame buffer device provides a simple and unique
  94. interface to access a graphics display. Enable this option
  95. if you wish to enable the 'fbset' utility.
  96. config BUSYBOX_CONFIG_FEATURE_FBSET_FANCY
  97. bool "Turn on extra fbset options"
  98. default BUSYBOX_DEFAULT_FEATURE_FBSET_FANCY
  99. depends on BUSYBOX_CONFIG_FBSET
  100. help
  101. This option enables extended fbset options, allowing one to set the
  102. framebuffer size, color depth, etc. interface to access a graphics
  103. display. Enable this option if you wish to enable extended fbset
  104. options.
  105. config BUSYBOX_CONFIG_FEATURE_FBSET_READMODE
  106. bool "Turn on fbset readmode support"
  107. default BUSYBOX_DEFAULT_FEATURE_FBSET_READMODE
  108. depends on BUSYBOX_CONFIG_FBSET
  109. help
  110. This option allows fbset to read the video mode database stored by
  111. default BUSYBOX_DEFAULT_FEATURE_FBSET_READMODE /etc/fb.modes, which can be used to set frame buffer
  112. device to pre-defined video modes.
  113. config BUSYBOX_CONFIG_FDFORMAT
  114. bool "fdformat"
  115. default BUSYBOX_DEFAULT_FDFORMAT
  116. select BUSYBOX_CONFIG_PLATFORM_LINUX
  117. help
  118. fdformat is used to low-level format a floppy disk.
  119. config BUSYBOX_CONFIG_FDISK
  120. bool "fdisk"
  121. default BUSYBOX_DEFAULT_FDISK
  122. select BUSYBOX_CONFIG_PLATFORM_LINUX
  123. help
  124. The fdisk utility is used to divide hard disks into one or more
  125. logical disks, which are generally called partitions. This utility
  126. can be used to list and edit the set of partitions or BSD style
  127. 'disk slices' that are defined on a hard drive.
  128. config BUSYBOX_CONFIG_FDISK_SUPPORT_LARGE_DISKS
  129. bool "Support over 4GB disks"
  130. default BUSYBOX_DEFAULT_FDISK_SUPPORT_LARGE_DISKS
  131. depends on BUSYBOX_CONFIG_FDISK
  132. depends on !BUSYBOX_CONFIG_LFS # with LFS no special code is needed
  133. help
  134. Enable this option to support large disks > 4GB.
  135. config BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  136. bool "Write support"
  137. default BUSYBOX_DEFAULT_FEATURE_FDISK_WRITABLE
  138. depends on BUSYBOX_CONFIG_FDISK
  139. help
  140. Enabling this option allows you to create or change a partition table
  141. and write those changes out to disk. If you leave this option
  142. disabled, you will only be able to view the partition table.
  143. config BUSYBOX_CONFIG_FEATURE_AIX_LABEL
  144. bool "Support AIX disklabels"
  145. default BUSYBOX_DEFAULT_FEATURE_AIX_LABEL
  146. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  147. help
  148. Enabling this option allows you to create or change AIX disklabels.
  149. Most people can safely leave this option disabled.
  150. config BUSYBOX_CONFIG_FEATURE_SGI_LABEL
  151. bool "Support SGI disklabels"
  152. default BUSYBOX_DEFAULT_FEATURE_SGI_LABEL
  153. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  154. help
  155. Enabling this option allows you to create or change SGI disklabels.
  156. Most people can safely leave this option disabled.
  157. config BUSYBOX_CONFIG_FEATURE_SUN_LABEL
  158. bool "Support SUN disklabels"
  159. default BUSYBOX_DEFAULT_FEATURE_SUN_LABEL
  160. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  161. help
  162. Enabling this option allows you to create or change SUN disklabels.
  163. Most people can safely leave this option disabled.
  164. config BUSYBOX_CONFIG_FEATURE_OSF_LABEL
  165. bool "Support BSD disklabels"
  166. default BUSYBOX_DEFAULT_FEATURE_OSF_LABEL
  167. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  168. help
  169. Enabling this option allows you to create or change BSD disklabels
  170. and define and edit BSD disk slices.
  171. config BUSYBOX_CONFIG_FEATURE_GPT_LABEL
  172. bool "Support GPT disklabels"
  173. default BUSYBOX_DEFAULT_FEATURE_GPT_LABEL
  174. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  175. help
  176. Enabling this option allows you to view GUID Partition Table
  177. disklabels.
  178. config BUSYBOX_CONFIG_FEATURE_FDISK_ADVANCED
  179. bool "Support expert mode"
  180. default BUSYBOX_DEFAULT_FEATURE_FDISK_ADVANCED
  181. depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
  182. help
  183. Enabling this option allows you to do terribly unsafe things like
  184. define arbitrary drive geometry, move the beginning of data in a
  185. partition, and similarly evil things. Unless you have a very good
  186. reason you would be wise to leave this disabled.
  187. config BUSYBOX_CONFIG_FINDFS
  188. bool "findfs"
  189. default BUSYBOX_DEFAULT_FINDFS
  190. select BUSYBOX_CONFIG_PLATFORM_LINUX
  191. select BUSYBOX_CONFIG_VOLUMEID
  192. help
  193. Prints the name of a filesystem with given label or UUID.
  194. WARNING:
  195. With all submodules selected, it will add ~8k to busybox.
  196. config BUSYBOX_CONFIG_FLOCK
  197. bool "flock"
  198. default BUSYBOX_DEFAULT_FLOCK
  199. help
  200. Manage locks from shell scripts
  201. config BUSYBOX_CONFIG_FDFLUSH
  202. bool "fdflush"
  203. default BUSYBOX_DEFAULT_FDFLUSH
  204. select BUSYBOX_CONFIG_PLATFORM_LINUX
  205. help
  206. fdflush is only needed when changing media on slightly-broken
  207. removable media drives. It is used to make Linux believe that a
  208. hardware disk-change switch has been actuated, which causes Linux to
  209. forget anything it has cached from the previous media. If you have
  210. such a slightly-broken drive, you will need to run fdflush every time
  211. you change a disk. Most people have working hardware and can safely
  212. leave this disabled.
  213. config BUSYBOX_CONFIG_FREERAMDISK
  214. bool "freeramdisk"
  215. default BUSYBOX_DEFAULT_FREERAMDISK
  216. select BUSYBOX_CONFIG_PLATFORM_LINUX
  217. help
  218. Linux allows you to create ramdisks. This utility allows you to
  219. delete them and completely free all memory that was used for the
  220. ramdisk. For example, if you boot Linux into a ramdisk and later
  221. pivot_root, you may want to free the memory that is allocated to the
  222. ramdisk. If you have no use for freeing memory from a ramdisk, leave
  223. this disabled.
  224. config BUSYBOX_CONFIG_FSCK_MINIX
  225. bool "fsck_minix"
  226. default BUSYBOX_DEFAULT_FSCK_MINIX
  227. help
  228. The minix filesystem is a nice, small, compact, read-write filesystem
  229. with little overhead. It is not a journaling filesystem however and
  230. can experience corruption if it is not properly unmounted or if the
  231. power goes off in the middle of a write. This utility allows you to
  232. check for and attempt to repair any corruption that occurs to a minix
  233. filesystem.
  234. config BUSYBOX_CONFIG_FSTRIM
  235. bool "fstrim"
  236. default BUSYBOX_DEFAULT_FSTRIM
  237. select BUSYBOX_CONFIG_PLATFORM_LINUX
  238. help
  239. Discard unused blocks on a mounted filesystem.
  240. config BUSYBOX_CONFIG_GETOPT
  241. bool "getopt"
  242. default BUSYBOX_DEFAULT_GETOPT
  243. help
  244. The getopt utility is used to break up (parse) options in command
  245. lines to make it easy to write complex shell scripts that also check
  246. for legal (and illegal) options. If you want to write horribly
  247. complex shell scripts, or use some horribly complex shell script
  248. written by others, this utility may be for you. Most people will
  249. wisely leave this disabled.
  250. config BUSYBOX_CONFIG_FEATURE_GETOPT_LONG
  251. bool "Support option -l"
  252. default BUSYBOX_DEFAULT_FEATURE_GETOPT_LONG if BUSYBOX_CONFIG_LONG_OPTS
  253. depends on BUSYBOX_CONFIG_GETOPT
  254. help
  255. Enable support for long options (option -l).
  256. config BUSYBOX_CONFIG_HEXDUMP
  257. bool "hexdump"
  258. default BUSYBOX_DEFAULT_HEXDUMP
  259. help
  260. The hexdump utility is used to display binary data in a readable
  261. way that is comparable to the output from most hex editors.
  262. config BUSYBOX_CONFIG_FEATURE_HEXDUMP_REVERSE
  263. bool "Support -R, reverse of 'hexdump -Cv'"
  264. default BUSYBOX_DEFAULT_FEATURE_HEXDUMP_REVERSE
  265. depends on BUSYBOX_CONFIG_HEXDUMP
  266. help
  267. The hexdump utility is used to display binary data in an ascii
  268. readable way. This option creates binary data from an ascii input.
  269. NB: this option is non-standard. It's unwise to use it in scripts
  270. aimed to be portable.
  271. config BUSYBOX_CONFIG_HD
  272. bool "hd"
  273. default BUSYBOX_DEFAULT_HD
  274. help
  275. hd is an alias to hexdump -C.
  276. config BUSYBOX_CONFIG_HWCLOCK
  277. bool "hwclock"
  278. default BUSYBOX_DEFAULT_HWCLOCK
  279. select BUSYBOX_CONFIG_PLATFORM_LINUX
  280. help
  281. The hwclock utility is used to read and set the hardware clock
  282. on a system. This is primarily used to set the current time on
  283. shutdown in the hardware clock, so the hardware will keep the
  284. correct time when Linux is _not_ running.
  285. config BUSYBOX_CONFIG_FEATURE_HWCLOCK_LONG_OPTIONS
  286. bool "Support long options (--hctosys,...)"
  287. default BUSYBOX_DEFAULT_FEATURE_HWCLOCK_LONG_OPTIONS
  288. depends on BUSYBOX_CONFIG_HWCLOCK && BUSYBOX_CONFIG_LONG_OPTS
  289. help
  290. By default, the hwclock utility only uses short options. If you
  291. are overly fond of its long options, such as --hctosys, --utc, etc)
  292. then enable this option.
  293. config BUSYBOX_CONFIG_FEATURE_HWCLOCK_ADJTIME_FHS
  294. bool "Use FHS /var/lib/hwclock/adjtime"
  295. default BUSYBOX_DEFAULT_FEATURE_HWCLOCK_ADJTIME_FHS # util-linux-ng in Fedora 13 still uses /etc/adjtime
  296. depends on BUSYBOX_CONFIG_HWCLOCK
  297. help
  298. Starting with FHS 2.3, the adjtime state file is supposed to exist
  299. at /var/lib/hwclock/adjtime instead of /etc/adjtime. If you wish
  300. to use the FHS behavior, answer Y here, otherwise answer N for the
  301. classic /etc/adjtime path.
  302. pathname.com/fhs/pub/fhs-2.3.html#VARLIBHWCLOCKSTATEDIRECTORYFORHWCLO
  303. config BUSYBOX_CONFIG_IPCRM
  304. bool "ipcrm"
  305. default BUSYBOX_DEFAULT_IPCRM
  306. help
  307. The ipcrm utility allows the removal of System V interprocess
  308. communication (IPC) objects and the associated data structures
  309. from the system.
  310. config BUSYBOX_CONFIG_IPCS
  311. bool "ipcs"
  312. default BUSYBOX_DEFAULT_IPCS
  313. select BUSYBOX_CONFIG_PLATFORM_LINUX
  314. help
  315. The ipcs utility is used to provide information on the currently
  316. allocated System V interprocess (IPC) objects in the system.
  317. config BUSYBOX_CONFIG_LOSETUP
  318. bool "losetup"
  319. default BUSYBOX_DEFAULT_LOSETUP
  320. select BUSYBOX_CONFIG_PLATFORM_LINUX
  321. help
  322. losetup is used to associate or detach a loop device with a regular
  323. file or block device, and to query the status of a loop device. This
  324. version does not currently support enabling data encryption.
  325. config BUSYBOX_CONFIG_LSPCI
  326. bool "lspci"
  327. default BUSYBOX_DEFAULT_LSPCI
  328. #select PLATFORM_LINUX
  329. help
  330. lspci is a utility for displaying information about PCI buses in the
  331. system and devices connected to them.
  332. This version uses sysfs (/sys/bus/pci/devices) only.
  333. config BUSYBOX_CONFIG_LSUSB
  334. bool "lsusb"
  335. default BUSYBOX_DEFAULT_LSUSB
  336. #select PLATFORM_LINUX
  337. help
  338. lsusb is a utility for displaying information about USB buses in the
  339. system and devices connected to them.
  340. This version uses sysfs (/sys/bus/usb/devices) only.
  341. config BUSYBOX_CONFIG_MDEV
  342. bool "mdev"
  343. default BUSYBOX_DEFAULT_MDEV
  344. select BUSYBOX_CONFIG_PLATFORM_LINUX
  345. help
  346. mdev is a mini-udev implementation for dynamically creating device
  347. nodes in the /dev directory.
  348. For more information, please see docs/mdev.txt
  349. config BUSYBOX_CONFIG_FEATURE_MDEV_CONF
  350. bool "Support /etc/mdev.conf"
  351. default BUSYBOX_DEFAULT_FEATURE_MDEV_CONF
  352. depends on BUSYBOX_CONFIG_MDEV
  353. help
  354. Add support for the mdev config file to control ownership and
  355. permissions of the device nodes.
  356. For more information, please see docs/mdev.txt
  357. config BUSYBOX_CONFIG_FEATURE_MDEV_RENAME
  358. bool "Support subdirs/symlinks"
  359. default BUSYBOX_DEFAULT_FEATURE_MDEV_RENAME
  360. depends on BUSYBOX_CONFIG_FEATURE_MDEV_CONF
  361. help
  362. Add support for renaming devices and creating symlinks.
  363. For more information, please see docs/mdev.txt
  364. config BUSYBOX_CONFIG_FEATURE_MDEV_RENAME_REGEXP
  365. bool "Support regular expressions substitutions when renaming device"
  366. default BUSYBOX_DEFAULT_FEATURE_MDEV_RENAME_REGEXP
  367. depends on BUSYBOX_CONFIG_FEATURE_MDEV_RENAME
  368. help
  369. Add support for regular expressions substitutions when renaming
  370. device.
  371. config BUSYBOX_CONFIG_FEATURE_MDEV_EXEC
  372. bool "Support command execution at device addition/removal"
  373. default BUSYBOX_DEFAULT_FEATURE_MDEV_EXEC
  374. depends on BUSYBOX_CONFIG_FEATURE_MDEV_CONF
  375. help
  376. This adds support for an optional field to /etc/mdev.conf for
  377. executing commands when devices are created/removed.
  378. For more information, please see docs/mdev.txt
  379. config BUSYBOX_CONFIG_FEATURE_MDEV_LOAD_FIRMWARE
  380. bool "Support loading of firmwares"
  381. default BUSYBOX_DEFAULT_FEATURE_MDEV_LOAD_FIRMWARE
  382. depends on BUSYBOX_CONFIG_MDEV
  383. help
  384. Some devices need to load firmware before they can be usable.
  385. These devices will request userspace look up the files in
  386. /lib/firmware/ and if it exists, send it to the kernel for
  387. loading into the hardware.
  388. config BUSYBOX_CONFIG_MKE2FS
  389. bool "mke2fs"
  390. default BUSYBOX_DEFAULT_MKE2FS
  391. select BUSYBOX_CONFIG_PLATFORM_LINUX
  392. help
  393. Utility to create EXT2 filesystems.
  394. config BUSYBOX_CONFIG_MKFS_EXT2
  395. bool "mkfs.ext2"
  396. default BUSYBOX_DEFAULT_MKFS_EXT2
  397. select BUSYBOX_CONFIG_PLATFORM_LINUX
  398. help
  399. Alias to "mke2fs".
  400. config BUSYBOX_CONFIG_MKFS_MINIX
  401. bool "mkfs_minix"
  402. default BUSYBOX_DEFAULT_MKFS_MINIX
  403. select BUSYBOX_CONFIG_PLATFORM_LINUX
  404. help
  405. The minix filesystem is a nice, small, compact, read-write filesystem
  406. with little overhead. If you wish to be able to create minix
  407. filesystems this utility will do the job for you.
  408. config BUSYBOX_CONFIG_FEATURE_MINIX2
  409. bool "Support Minix fs v2 (fsck_minix/mkfs_minix)"
  410. default BUSYBOX_DEFAULT_FEATURE_MINIX2
  411. depends on BUSYBOX_CONFIG_FSCK_MINIX || BUSYBOX_CONFIG_MKFS_MINIX
  412. help
  413. If you wish to be able to create version 2 minix filesystems, enable
  414. this. If you enabled 'mkfs_minix' then you almost certainly want to
  415. be using the version 2 filesystem support.
  416. config BUSYBOX_CONFIG_MKFS_REISER
  417. bool "mkfs_reiser"
  418. default BUSYBOX_DEFAULT_MKFS_REISER
  419. select BUSYBOX_CONFIG_PLATFORM_LINUX
  420. help
  421. Utility to create ReiserFS filesystems.
  422. Note: this applet needs a lot of testing and polishing.
  423. config BUSYBOX_CONFIG_MKDOSFS
  424. bool "mkdosfs"
  425. default BUSYBOX_DEFAULT_MKDOSFS
  426. select BUSYBOX_CONFIG_PLATFORM_LINUX
  427. help
  428. Utility to create FAT32 filesystems.
  429. config BUSYBOX_CONFIG_MKFS_VFAT
  430. bool "mkfs.vfat"
  431. default BUSYBOX_DEFAULT_MKFS_VFAT
  432. select BUSYBOX_CONFIG_PLATFORM_LINUX
  433. help
  434. Alias to "mkdosfs".
  435. config BUSYBOX_CONFIG_MKSWAP
  436. bool "mkswap"
  437. default BUSYBOX_DEFAULT_MKSWAP
  438. help
  439. The mkswap utility is used to configure a file or disk partition as
  440. Linux swap space. This allows Linux to use the entire file or
  441. partition as if it were additional RAM, which can greatly increase
  442. the capability of low-memory machines. This additional memory is
  443. much slower than real RAM, but can be very helpful at preventing your
  444. applications being killed by the Linux out of memory (OOM) killer.
  445. Once you have created swap space using 'mkswap' you need to enable
  446. the swap space using the 'swapon' utility.
  447. config BUSYBOX_CONFIG_FEATURE_MKSWAP_UUID
  448. bool "UUID support"
  449. default BUSYBOX_DEFAULT_FEATURE_MKSWAP_UUID
  450. depends on BUSYBOX_CONFIG_MKSWAP
  451. help
  452. Generate swap spaces with universally unique identifiers.
  453. config BUSYBOX_CONFIG_MORE
  454. bool "more"
  455. default BUSYBOX_DEFAULT_MORE
  456. help
  457. more is a simple utility which allows you to read text one screen
  458. sized page at a time. If you want to read text that is larger than
  459. the screen, and you are using anything faster than a 300 baud modem,
  460. you will probably find this utility very helpful. If you don't have
  461. any need to reading text files, you can leave this disabled.
  462. config BUSYBOX_CONFIG_MOUNT
  463. bool "mount"
  464. default BUSYBOX_DEFAULT_MOUNT
  465. select BUSYBOX_CONFIG_PLATFORM_LINUX
  466. help
  467. All files and filesystems in Unix are arranged into one big directory
  468. tree. The 'mount' utility is used to graft a filesystem onto a
  469. particular part of the tree. A filesystem can either live on a block
  470. device, or it can be accessible over the network, as is the case with
  471. NFS filesystems. Most people using BusyBox will also want to enable
  472. the 'mount' utility.
  473. config BUSYBOX_CONFIG_FEATURE_MOUNT_FAKE
  474. bool "Support option -f"
  475. default BUSYBOX_DEFAULT_FEATURE_MOUNT_FAKE
  476. depends on BUSYBOX_CONFIG_MOUNT
  477. help
  478. Enable support for faking a file system mount.
  479. config BUSYBOX_CONFIG_FEATURE_MOUNT_VERBOSE
  480. bool "Support option -v"
  481. default BUSYBOX_DEFAULT_FEATURE_MOUNT_VERBOSE
  482. depends on BUSYBOX_CONFIG_MOUNT
  483. help
  484. Enable multi-level -v[vv...] verbose messages. Useful if you
  485. debug mount problems and want to see what is exactly passed
  486. to the kernel.
  487. config BUSYBOX_CONFIG_FEATURE_MOUNT_HELPERS
  488. bool "Support mount helpers"
  489. default BUSYBOX_DEFAULT_FEATURE_MOUNT_HELPERS
  490. depends on BUSYBOX_CONFIG_MOUNT
  491. help
  492. Enable mounting of virtual file systems via external helpers.
  493. E.g. "mount obexfs#-b00.11.22.33.44.55 /mnt" will in effect call
  494. "obexfs -b00.11.22.33.44.55 /mnt"
  495. Also "mount -t sometype [-o opts] fs /mnt" will try
  496. "sometype [-o opts] fs /mnt" if simple mount syscall fails.
  497. The idea is to use such virtual filesystems in /etc/fstab.
  498. config BUSYBOX_CONFIG_FEATURE_MOUNT_LABEL
  499. bool "Support specifying devices by label or UUID"
  500. default BUSYBOX_DEFAULT_FEATURE_MOUNT_LABEL
  501. depends on BUSYBOX_CONFIG_MOUNT
  502. select BUSYBOX_CONFIG_VOLUMEID
  503. help
  504. This allows for specifying a device by label or uuid, rather than by
  505. name. This feature utilizes the same functionality as blkid/findfs.
  506. This also enables label or uuid support for swapon.
  507. config BUSYBOX_CONFIG_FEATURE_MOUNT_NFS
  508. bool "Support mounting NFS file systems on Linux < 2.6.23"
  509. default BUSYBOX_DEFAULT_FEATURE_MOUNT_NFS
  510. depends on BUSYBOX_CONFIG_MOUNT
  511. select BUSYBOX_CONFIG_FEATURE_HAVE_RPC
  512. select BUSYBOX_CONFIG_FEATURE_SYSLOG
  513. help
  514. Enable mounting of NFS file systems on Linux kernels prior
  515. to version 2.6.23. Note that in this case mounting of NFS
  516. over IPv6 will not be possible.
  517. Note that this option links in RPC support from libc,
  518. which is rather large (~10 kbytes on uclibc).
  519. config BUSYBOX_CONFIG_FEATURE_MOUNT_CIFS
  520. bool "Support mounting CIFS/SMB file systems"
  521. default BUSYBOX_DEFAULT_FEATURE_MOUNT_CIFS
  522. depends on BUSYBOX_CONFIG_MOUNT
  523. help
  524. Enable support for samba mounts.
  525. config BUSYBOX_CONFIG_FEATURE_MOUNT_FLAGS
  526. depends on BUSYBOX_CONFIG_MOUNT
  527. bool "Support lots of -o flags in mount"
  528. default BUSYBOX_DEFAULT_FEATURE_MOUNT_FLAGS
  529. help
  530. Without this, mount only supports ro/rw/remount. With this, it
  531. supports nosuid, suid, dev, nodev, exec, noexec, sync, async, atime,
  532. noatime, diratime, nodiratime, loud, bind, move, shared, slave,
  533. private, unbindable, rshared, rslave, rprivate, and runbindable.
  534. config BUSYBOX_CONFIG_FEATURE_MOUNT_FSTAB
  535. depends on BUSYBOX_CONFIG_MOUNT
  536. bool "Support /etc/fstab and -a"
  537. default BUSYBOX_DEFAULT_FEATURE_MOUNT_FSTAB
  538. help
  539. Support mount all and looking for files in /etc/fstab.
  540. config BUSYBOX_CONFIG_FEATURE_MOUNT_OTHERTAB
  541. depends on BUSYBOX_CONFIG_FEATURE_MOUNT_FSTAB
  542. bool "Support -T <alt_fstab>"
  543. default BUSYBOX_DEFAULT_FEATURE_MOUNT_OTHERTAB
  544. help
  545. Support mount -T (specifying an alternate fstab)
  546. config BUSYBOX_CONFIG_NSENTER
  547. bool "nsenter"
  548. default BUSYBOX_DEFAULT_NSENTER
  549. select BUSYBOX_CONFIG_PLATFORM_LINUX
  550. help
  551. Run program with namespaces of other processes.
  552. config BUSYBOX_CONFIG_FEATURE_NSENTER_LONG_OPTS
  553. bool "Enable long options"
  554. default BUSYBOX_DEFAULT_FEATURE_NSENTER_LONG_OPTS
  555. depends on BUSYBOX_CONFIG_NSENTER && BUSYBOX_CONFIG_LONG_OPTS
  556. help
  557. Support long options for the nsenter applet. This makes
  558. the busybox implementation more compatible with upstream.
  559. config BUSYBOX_CONFIG_PIVOT_ROOT
  560. bool "pivot_root"
  561. default BUSYBOX_DEFAULT_PIVOT_ROOT
  562. select BUSYBOX_CONFIG_PLATFORM_LINUX
  563. help
  564. The pivot_root utility swaps the mount points for the root filesystem
  565. with some other mounted filesystem. This allows you to do all sorts
  566. of wild and crazy things with your Linux system and is far more
  567. powerful than 'chroot'.
  568. Note: This is for initrd in linux 2.4. Under initramfs (introduced
  569. in linux 2.6) use switch_root instead.
  570. config BUSYBOX_CONFIG_RDATE
  571. bool "rdate"
  572. default BUSYBOX_DEFAULT_RDATE
  573. help
  574. The rdate utility allows you to synchronize the date and time of your
  575. system clock with the date and time of a remote networked system using
  576. the RFC868 protocol, which is built into the inetd daemon on most
  577. systems.
  578. config BUSYBOX_CONFIG_RDEV
  579. bool "rdev"
  580. default BUSYBOX_DEFAULT_RDEV
  581. help
  582. Print the device node associated with the filesystem mounted at '/'.
  583. config BUSYBOX_CONFIG_READPROFILE
  584. bool "readprofile"
  585. default BUSYBOX_DEFAULT_READPROFILE
  586. #select PLATFORM_LINUX
  587. help
  588. This allows you to parse /proc/profile for basic profiling.
  589. config BUSYBOX_CONFIG_REV
  590. bool "rev"
  591. default BUSYBOX_DEFAULT_REV
  592. help
  593. Reverse lines of a file or files.
  594. config BUSYBOX_CONFIG_RTCWAKE
  595. bool "rtcwake"
  596. default BUSYBOX_DEFAULT_RTCWAKE
  597. select BUSYBOX_CONFIG_PLATFORM_LINUX
  598. help
  599. Enter a system sleep state until specified wakeup time.
  600. config BUSYBOX_CONFIG_SCRIPT
  601. bool "script"
  602. default BUSYBOX_DEFAULT_SCRIPT
  603. help
  604. The script makes typescript of terminal session.
  605. config BUSYBOX_CONFIG_SCRIPTREPLAY
  606. bool "scriptreplay"
  607. default BUSYBOX_DEFAULT_SCRIPTREPLAY
  608. help
  609. This program replays a typescript, using timing information
  610. given by script -t.
  611. config BUSYBOX_CONFIG_SETARCH
  612. bool "setarch"
  613. default BUSYBOX_DEFAULT_SETARCH
  614. select BUSYBOX_CONFIG_PLATFORM_LINUX
  615. help
  616. The linux32 utility is used to create a 32bit environment for the
  617. specified program (usually a shell). It only makes sense to have
  618. this util on a system that supports both 64bit and 32bit userland
  619. (like amd64/x86, ppc64/ppc, sparc64/sparc, etc...).
  620. config BUSYBOX_CONFIG_LINUX32
  621. bool "linux32"
  622. default BUSYBOX_DEFAULT_LINUX32
  623. select BUSYBOX_CONFIG_PLATFORM_LINUX
  624. help
  625. Alias to "setarch linux32".
  626. config BUSYBOX_CONFIG_LINUX64
  627. bool "linux64"
  628. default BUSYBOX_DEFAULT_LINUX64
  629. select BUSYBOX_CONFIG_PLATFORM_LINUX
  630. help
  631. Alias to "setarch linux64".
  632. config BUSYBOX_CONFIG_SWAPON
  633. bool "swapon"
  634. default BUSYBOX_DEFAULT_SWAPON
  635. select BUSYBOX_CONFIG_PLATFORM_LINUX
  636. help
  637. This option enables the 'swapon' utility.
  638. Once you have created some swap space using 'mkswap', you also need
  639. to enable your swap space with the 'swapon' utility. The 'swapoff'
  640. utility is used, typically at system shutdown, to disable any swap
  641. space. If you are not using any swap space, you can leave this
  642. option disabled.
  643. config BUSYBOX_CONFIG_FEATURE_SWAPON_DISCARD
  644. bool "Support discard option -d"
  645. default BUSYBOX_DEFAULT_FEATURE_SWAPON_DISCARD
  646. depends on BUSYBOX_CONFIG_SWAPON
  647. help
  648. Enable support for discarding swap area blocks at swapon and/or as
  649. the kernel frees them. This option enables both the -d option on
  650. 'swapon' and the 'discard' option for swap entries in /etc/fstab.
  651. config BUSYBOX_CONFIG_FEATURE_SWAPON_PRI
  652. bool "Support priority option -p"
  653. default BUSYBOX_DEFAULT_FEATURE_SWAPON_PRI
  654. depends on BUSYBOX_CONFIG_SWAPON
  655. help
  656. Enable support for setting swap device priority in swapon.
  657. config BUSYBOX_CONFIG_SWAPOFF
  658. bool "swapoff"
  659. default BUSYBOX_DEFAULT_SWAPOFF
  660. select BUSYBOX_CONFIG_PLATFORM_LINUX
  661. help
  662. This option enables the 'swapoff' utility.
  663. config BUSYBOX_CONFIG_SWITCH_ROOT
  664. bool "switch_root"
  665. default BUSYBOX_DEFAULT_SWITCH_ROOT
  666. select BUSYBOX_CONFIG_PLATFORM_LINUX
  667. help
  668. The switch_root utility is used from initramfs to select a new
  669. root device. Under initramfs, you have to use this instead of
  670. pivot_root. (Stop reading here if you don't care why.)
  671. Booting with initramfs extracts a gzipped cpio archive into rootfs
  672. (which is a variant of ramfs/tmpfs). Because rootfs can't be moved
  673. or unmounted*, pivot_root will not work from initramfs. Instead,
  674. switch_root deletes everything out of rootfs (including itself),
  675. does a mount --move that overmounts rootfs with the new root, and
  676. then execs the specified init program.
  677. * Because the Linux kernel uses rootfs internally as the starting
  678. and ending point for searching through the kernel's doubly linked
  679. list of active mount points. That's why.
  680. config BUSYBOX_CONFIG_UEVENT
  681. bool "uevent"
  682. default BUSYBOX_DEFAULT_UEVENT
  683. select BUSYBOX_CONFIG_PLATFORM_LINUX
  684. help
  685. uevent is a netlink listener for kernel uevent notifications
  686. sent via netlink. It is usually used for dynamic device creation.
  687. config BUSYBOX_CONFIG_UMOUNT
  688. bool "umount"
  689. default BUSYBOX_DEFAULT_UMOUNT
  690. select BUSYBOX_CONFIG_PLATFORM_LINUX
  691. help
  692. When you want to remove a mounted filesystem from its current mount
  693. point, for example when you are shutting down the system, the
  694. 'umount' utility is the tool to use. If you enabled the 'mount'
  695. utility, you almost certainly also want to enable 'umount'.
  696. config BUSYBOX_CONFIG_FEATURE_UMOUNT_ALL
  697. bool "Support option -a"
  698. default BUSYBOX_DEFAULT_FEATURE_UMOUNT_ALL
  699. depends on BUSYBOX_CONFIG_UMOUNT
  700. help
  701. Support -a option to unmount all currently mounted filesystems.
  702. config BUSYBOX_CONFIG_UNSHARE
  703. bool "unshare"
  704. default BUSYBOX_DEFAULT_UNSHARE
  705. depends on BUSYBOX_CONFIG_LONG_OPTS && !BUSYBOX_CONFIG_NOMMU
  706. select BUSYBOX_CONFIG_PLATFORM_LINUX
  707. help
  708. Run program with some namespaces unshared from parent.
  709. comment "Common options for mount/umount"
  710. depends on BUSYBOX_CONFIG_MOUNT || BUSYBOX_CONFIG_UMOUNT
  711. config BUSYBOX_CONFIG_FEATURE_MOUNT_LOOP
  712. bool "Support loopback mounts"
  713. default BUSYBOX_DEFAULT_FEATURE_MOUNT_LOOP
  714. depends on BUSYBOX_CONFIG_MOUNT || BUSYBOX_CONFIG_UMOUNT
  715. help
  716. Enabling this feature allows automatic mounting of files (containing
  717. filesystem images) via the linux kernel's loopback devices.
  718. The mount command will detect you are trying to mount a file instead
  719. of a block device, and transparently associate the file with a
  720. loopback device. The umount command will also free that loopback
  721. device.
  722. You can still use the 'losetup' utility (to manually associate files
  723. with loop devices) if you need to do something advanced, such as
  724. specify an offset or cryptographic options to the loopback device.
  725. (If you don't want umount to free the loop device, use "umount -D".)
  726. config BUSYBOX_CONFIG_FEATURE_MOUNT_LOOP_CREATE
  727. bool "Create new loopback devices if needed"
  728. default BUSYBOX_DEFAULT_FEATURE_MOUNT_LOOP_CREATE
  729. depends on BUSYBOX_CONFIG_FEATURE_MOUNT_LOOP
  730. help
  731. Linux kernels >= 2.6.24 support unlimited loopback devices. They are
  732. allocated for use when trying to use a loop device. The loop device
  733. must however exist.
  734. This feature lets mount to try to create next /dev/loopN device
  735. if it does not find a free one.
  736. config BUSYBOX_CONFIG_FEATURE_MTAB_SUPPORT
  737. bool "Support for the old /etc/mtab file"
  738. default BUSYBOX_DEFAULT_FEATURE_MTAB_SUPPORT
  739. depends on BUSYBOX_CONFIG_MOUNT || BUSYBOX_CONFIG_UMOUNT
  740. select BUSYBOX_CONFIG_FEATURE_MOUNT_FAKE
  741. help
  742. Historically, Unix systems kept track of the currently mounted
  743. partitions in the file "/etc/mtab". These days, the kernel exports
  744. the list of currently mounted partitions in "/proc/mounts", rendering
  745. the old mtab file obsolete. (In modern systems, /etc/mtab should be
  746. a symlink to /proc/mounts.)
  747. The only reason to have mount maintain an /etc/mtab file itself is if
  748. your stripped-down embedded system does not have a /proc directory.
  749. If you must use this, keep in mind it's inherently brittle (for
  750. example a mount under chroot won't update it), can't handle modern
  751. features like separate per-process filesystem namespaces, requires
  752. that your /etc directory be writable, tends to get easily confused
  753. by --bind or --move mounts, won't update if you rename a directory
  754. that contains a mount point, and so on. (In brief: avoid.)
  755. About the only reason to use this is if you've removed /proc from
  756. your kernel.
  757. source volume_id/Config.in
  758. endmenu