source: trunk/package/busybox/config/util-linux/Config.in @ 16053

Last change on this file since 16053 was 16053, checked in by nico, 8 years ago

[package] busybox: update to v1.12.4 (partially closes: #4279)

  • Property svn:eol-style set to native
File size: 25.2 KB
Line 
1#
2# For a description of the syntax of this configuration file,
3# see scripts/kbuild/config-language.txt.
4#
5
6menu "Linux System Utilities"
7
8config BUSYBOX_CONFIG_DMESG
9        bool "dmesg"
10        default y
11        help
12          dmesg is used to examine or control the kernel ring buffer. When the
13          Linux kernel prints messages to the system log, they are stored in
14          the kernel ring buffer. You can use dmesg to print the kernel's ring
15          buffer, clear the kernel ring buffer, change the size of the kernel
16          ring buffer, and change the priority level at which kernel messages
17          are also logged to the system console. Enable this option if you
18          wish to enable the 'dmesg' utility.
19
20config BUSYBOX_CONFIG_FEATURE_DMESG_PRETTY
21        bool "Pretty dmesg output"
22        default y
23        depends on BUSYBOX_CONFIG_DMESG
24        help
25          If you wish to scrub the syslog level from the output, say 'Y' here.
26          The syslog level is a string prefixed to every line with the form
27          "<#>".
28
29          With this option you will see:
30            # dmesg
31            Linux version 2.6.17.4 .....
32            BIOS-provided physical RAM map:
33             BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
34
35          Without this option you will see:
36            # dmesg
37            <5>Linux version 2.6.17.4 .....
38            <6>BIOS-provided physical RAM map:
39            <6> BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
40
41config BUSYBOX_CONFIG_FBSET
42        bool "fbset"
43        default n
44        help
45          fbset is used to show or change the settings of a Linux frame buffer
46          device. The frame buffer device provides a simple and unique
47          interface to access a graphics display. Enable this option
48          if you wish to enable the 'fbset' utility.
49
50config BUSYBOX_CONFIG_FEATURE_FBSET_FANCY
51        bool "Turn on extra fbset options"
52        default n
53        depends on BUSYBOX_CONFIG_FBSET
54        help
55          This option enables extended fbset options, allowing one to set the
56          framebuffer size, color depth, etc. interface to access a graphics
57          display. Enable this option if you wish to enable extended fbset
58          options.
59
60config BUSYBOX_CONFIG_FEATURE_FBSET_READMODE
61        bool "Turn on fbset readmode support"
62        default n
63        depends on BUSYBOX_CONFIG_FBSET
64        help
65          This option allows fbset to read the video mode database stored by
66          default n /etc/fb.modes, which can be used to set frame buffer
67          device to pre-defined video modes.
68
69config BUSYBOX_CONFIG_FDFLUSH
70        bool "fdflush"
71        default n
72        help
73          fdflush is only needed when changing media on slightly-broken
74          removable media drives. It is used to make Linux believe that a
75          hardware disk-change switch has been actuated, which causes Linux to
76          forget anything it has cached from the previous media. If you have
77          such a slightly-broken drive, you will need to run fdflush every time
78          you change a disk. Most people have working hardware and can safely
79          leave this disabled.
80
81config BUSYBOX_CONFIG_FDFORMAT
82        bool "fdformat"
83        default n
84        help
85          fdformat is used to low-level format a floppy disk.
86
87config BUSYBOX_CONFIG_FDISK
88        bool "fdisk"
89        default n
90        help
91          The fdisk utility is used to divide hard disks into one or more
92          logical disks, which are generally called partitions. This utility
93          can be used to list and edit the set of partitions or BSD style
94          'disk slices' that are defined on a hard drive.
95
96config BUSYBOX_CONFIG_FDISK_SUPPORT_LARGE_DISKS
97        bool "Support over 4GB disks"
98        default y
99        depends on BUSYBOX_CONFIG_FDISK
100        help
101          Enable this option to support large disks > 4GB.
102
103config BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
104        bool "Write support"
105        default n
106        depends on BUSYBOX_CONFIG_FDISK
107        help
108          Enabling this option allows you to create or change a partition table
109          and write those changes out to disk. If you leave this option
110          disabled, you will only be able to view the partition table.
111
112config BUSYBOX_CONFIG_FEATURE_AIX_LABEL
113        bool "Support AIX disklabels"
114        default n
115        depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
116        help
117          Enabling this option allows you to create or change AIX disklabels.
118          Most people can safely leave this option disabled.
119
120config BUSYBOX_CONFIG_FEATURE_SGI_LABEL
121        bool "Support SGI disklabels"
122        default n
123        depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
124        help
125          Enabling this option allows you to create or change SGI disklabels.
126          Most people can safely leave this option disabled.
127
128config BUSYBOX_CONFIG_FEATURE_SUN_LABEL
129        bool "Support SUN disklabels"
130        default n
131        depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
132        help
133          Enabling this option allows you to create or change SUN disklabels.
134          Most people can safely leave this option disabled.
135
136config BUSYBOX_CONFIG_FEATURE_OSF_LABEL
137        bool "Support BSD disklabels"
138        default n
139        depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
140        help
141          Enabling this option allows you to create or change BSD disklabels
142          and define and edit BSD disk slices.
143
144config BUSYBOX_CONFIG_FEATURE_FDISK_ADVANCED
145        bool "Support expert mode"
146        default n
147        depends on BUSYBOX_CONFIG_FDISK && BUSYBOX_CONFIG_FEATURE_FDISK_WRITABLE
148        help
149          Enabling this option allows you to do terribly unsafe things like
150          define arbitrary drive geometry, move the beginning of data in a
151          partition, and similarly evil things. Unless you have a very good
152          reason you would be wise to leave this disabled.
153
154config BUSYBOX_CONFIG_FINDFS
155        bool "findfs"
156        default n
157        select BUSYBOX_CONFIG_VOLUMEID
158        help
159          This is similar to the findfs program that is part of the e2fsprogs
160          package. However, the e2fsprogs version only support ext2/3. This
161          version supports those in addition to FAT, swap, and ReiserFS.
162          WARNING:
163          With all submodules selected, it will add ~8k to busybox.
164
165config BUSYBOX_CONFIG_FREERAMDISK
166        bool "freeramdisk"
167        default n
168        help
169          Linux allows you to create ramdisks. This utility allows you to
170          delete them and completely free all memory that was used for the
171          ramdisk. For example, if you boot Linux into a ramdisk and later
172          pivot_root, you may want to free the memory that is allocated to the
173          ramdisk. If you have no use for freeing memory from a ramdisk, leave
174          this disabled.
175
176config BUSYBOX_CONFIG_FSCK_MINIX
177        bool "fsck_minix"
178        default n
179        help
180          The minix filesystem is a nice, small, compact, read-write filesystem
181          with little overhead. It is not a journaling filesystem however and
182          can experience corruption if it is not properly unmounted or if the
183          power goes off in the middle of a write. This utility allows you to
184          check for and attempt to repair any corruption that occurs to a minix
185          filesystem.
186
187config BUSYBOX_CONFIG_MKFS_MINIX
188        bool "mkfs_minix"
189        default n
190        help
191          The minix filesystem is a nice, small, compact, read-write filesystem
192          with little overhead. If you wish to be able to create minix
193          filesystems this utility will do the job for you.
194
195comment "Minix filesystem support"
196        depends on BUSYBOX_CONFIG_FSCK_MINIX || BUSYBOX_CONFIG_MKFS_MINIX
197
198config BUSYBOX_CONFIG_FEATURE_MINIX2
199        bool "Support Minix fs v2 (fsck_minix/mkfs_minix)"
200        default n
201        depends on BUSYBOX_CONFIG_FSCK_MINIX || BUSYBOX_CONFIG_MKFS_MINIX
202        help
203          If you wish to be able to create version 2 minix filesystems, enable
204          this. If you enabled 'mkfs_minix' then you almost certainly want to
205          be using the version 2 filesystem support.
206
207config BUSYBOX_CONFIG_GETOPT
208        bool "getopt"
209        default n
210        help
211          The getopt utility is used to break up (parse) options in command
212          lines to make it easy to write complex shell scripts that also check
213          for legal (and illegal) options. If you want to write horribly
214          complex shell scripts, or use some horribly complex shell script
215          written by others, this utility may be for you. Most people will
216          wisely leave this disabled.
217
218config BUSYBOX_CONFIG_HEXDUMP
219        bool "hexdump"
220        default y
221        help
222          The hexdump utility is used to display binary data in a readable
223          way that is comparable to the output from most hex editors.
224
225config BUSYBOX_CONFIG_FEATURE_HEXDUMP_REVERSE
226        bool "Support -R, reverse of 'hexdump -Cv'"
227        default n
228        depends on BUSYBOX_CONFIG_HEXDUMP
229        help
230          The hexdump utility is used to display binary data in an ascii
231          readable way. This option creates binary data from an ascii input.
232          NB: this option is non-standard. It's unwise to use it in scripts
233          aimed to be portable.
234
235config BUSYBOX_CONFIG_HD
236        bool "hd"
237        default n
238        select BUSYBOX_CONFIG_HEXDUMP
239        help
240          hd is an alias to hexdump -C.
241
242config BUSYBOX_CONFIG_HWCLOCK
243        bool "hwclock"
244        default y
245        help
246          The hwclock utility is used to read and set the hardware clock
247          on a system. This is primarily used to set the current time on
248          shutdown in the hardware clock, so the hardware will keep the
249          correct time when Linux is _not_ running.
250
251config BUSYBOX_CONFIG_FEATURE_HWCLOCK_LONG_OPTIONS
252        bool "Support long options (--hctosys,...)"
253        default n
254        depends on BUSYBOX_CONFIG_HWCLOCK && BUSYBOX_CONFIG_GETOPT_LONG
255        help
256          By default, the hwclock utility only uses short options. If you
257          are overly fond of its long options, such as --hctosys, --utc, etc)
258          then enable this option.
259
260config BUSYBOX_CONFIG_FEATURE_HWCLOCK_ADJTIME_FHS
261        bool "Use FHS /var/lib/hwclock/adjtime"
262        default n
263        depends on BUSYBOX_CONFIG_HWCLOCK
264        help
265          Starting with FHS 2.3, the adjtime state file is supposed to exist
266          at /var/lib/hwclock/adjtime instead of /etc/adjtime. If you wish
267          to use the FHS behavior, answer Y here, otherwise answer N for the
268          classic /etc/adjtime path.
269
270          pathname.com/fhs/pub/fhs-2.3.html#VARLIBHWCLOCKSTATEDIRECTORYFORHWCLO
271
272config BUSYBOX_CONFIG_IPCRM
273        bool "ipcrm"
274        default n
275        select BUSYBOX_CONFIG_FEATURE_SUID
276        help
277          The ipcrm utility allows the removal of System V interprocess
278          communication (IPC) objects and the associated data structures
279          from the system.
280
281config BUSYBOX_CONFIG_IPCS
282        bool "ipcs"
283        default n
284        select BUSYBOX_CONFIG_FEATURE_SUID
285        help
286          The ipcs utility is used to provide information on the currently
287          allocated System V interprocess (IPC) objects in the system.
288
289config BUSYBOX_CONFIG_LOSETUP
290        bool "losetup"
291        default n
292        help
293          losetup is used to associate or detach a loop device with a regular
294          file or block device, and to query the status of a loop device. This
295          version does not currently support enabling data encryption.
296
297config BUSYBOX_CONFIG_MDEV
298        bool "mdev"
299        default n
300        help
301          mdev is a mini-udev implementation for dynamically creating device
302          nodes in the /dev directory.
303
304          For more information, please see docs/mdev.txt
305
306config BUSYBOX_CONFIG_FEATURE_MDEV_CONF
307        bool "Support /etc/mdev.conf"
308        default n
309        depends on BUSYBOX_CONFIG_MDEV
310        help
311          Add support for the mdev config file to control ownership and
312          permissions of the device nodes.
313
314          For more information, please see docs/mdev.txt
315
316config BUSYBOX_CONFIG_FEATURE_MDEV_RENAME
317        bool "Support subdirs/symlinks"
318        default n
319        depends on BUSYBOX_CONFIG_FEATURE_MDEV_CONF
320        help
321          Add support for renaming devices and creating symlinks.
322
323          For more information, please see docs/mdev.txt
324
325config BUSYBOX_CONFIG_FEATURE_MDEV_RENAME_REGEXP
326        bool "Support regular expressions substitutions when renaming device"
327        default n
328        depends on BUSYBOX_CONFIG_FEATURE_MDEV_RENAME
329        help
330          Add support for regular expressions substitutions when renaming
331          device.
332
333config BUSYBOX_CONFIG_FEATURE_MDEV_EXEC
334        bool "Support command execution at device addition/removal"
335        default n
336        depends on BUSYBOX_CONFIG_FEATURE_MDEV_CONF
337        help
338          This adds support for an optional field to /etc/mdev.conf for
339          executing commands when devices are created/removed.
340
341          For more information, please see docs/mdev.txt
342
343config BUSYBOX_CONFIG_FEATURE_MDEV_LOAD_FIRMWARE
344        bool "Support loading of firmwares"
345        default n
346        depends on BUSYBOX_CONFIG_MDEV
347        help
348          Some devices need to load firmware before they can be usable.
349
350          These devices will request userspace look up the files in
351          /lib/firmware/ and if it exists, send it to the kernel for
352          loading into the hardware.
353
354config BUSYBOX_CONFIG_MKSWAP
355        bool "mkswap"
356        default n
357        help
358          The mkswap utility is used to configure a file or disk partition as
359          Linux swap space. This allows Linux to use the entire file or
360          partition as if it were additional RAM, which can greatly increase
361          the capability of low-memory machines. This additional memory is
362          much slower than real RAM, but can be very helpful at preventing your
363          applications being killed by the Linux out of memory (OOM) killer.
364          Once you have created swap space using 'mkswap' you need to enable
365          the swap space using the 'swapon' utility.
366
367config BUSYBOX_CONFIG_FEATURE_MKSWAP_V0
368        bool "Version 0 support"
369        default n
370        depends on BUSYBOX_CONFIG_MKSWAP
371#       depends on MKSWAP && BUSYBOX_CONFIG_DEPRECATED
372        help
373          Enable support for the old v0 style.
374          If your kernel is older than 2.1.117, then v0 support is the
375          only option.
376
377config BUSYBOX_CONFIG_MORE
378        bool "more"
379        default n
380        help
381          more is a simple utility which allows you to read text one screen
382          sized page at a time. If you want to read text that is larger than
383          the screen, and you are using anything faster than a 300 baud modem,
384          you will probably find this utility very helpful. If you don't have
385          any need to reading text files, you can leave this disabled.
386
387config BUSYBOX_CONFIG_FEATURE_USE_TERMIOS
388        bool "Use termios to manipulate the screen"
389        default n
390        depends on BUSYBOX_CONFIG_MORE || BUSYBOX_CONFIG_TOP
391        help
392          This option allows utilities such as 'more' and 'top' to determine
393          the size of the screen. If you leave this disabled, your utilities
394          that display things on the screen will be especially primitive and
395          will be unable to determine the current screen size, and will be
396          unable to move the cursor.
397
398config BUSYBOX_CONFIG_VOLUMEID
399        bool "Routines for detecting label and uuid on common filesystems"
400        default n
401        help
402          TODO
403
404config BUSYBOX_CONFIG_FEATURE_VOLUMEID_EXT
405        bool "Ext filesystem"
406        default n
407        depends on BUSYBOX_CONFIG_VOLUMEID
408        help
409          TODO
410
411config BUSYBOX_CONFIG_FEATURE_VOLUMEID_REISERFS
412        bool "Reiser filesystem"
413        default n
414        depends on BUSYBOX_CONFIG_VOLUMEID
415        help
416          TODO
417
418config BUSYBOX_CONFIG_FEATURE_VOLUMEID_FAT
419        bool "fat filesystem"
420        default n
421        depends on BUSYBOX_CONFIG_VOLUMEID
422        help
423          TODO
424
425config BUSYBOX_CONFIG_FEATURE_VOLUMEID_HFS
426        bool "hfs filesystem"
427        default n
428        depends on BUSYBOX_CONFIG_VOLUMEID
429        help
430          TODO
431
432config BUSYBOX_CONFIG_FEATURE_VOLUMEID_JFS
433        bool "jfs filesystem"
434        default n
435        depends on BUSYBOX_CONFIG_VOLUMEID
436        help
437          TODO
438
439### config FEATURE_VOLUMEID_UFS
440###     bool "ufs filesystem"
441###     default n
442###     depends on VOLUMEID
443###     help
444###       TODO
445
446config BUSYBOX_CONFIG_FEATURE_VOLUMEID_XFS
447        bool "xfs filesystem"
448        default n
449        depends on BUSYBOX_CONFIG_VOLUMEID
450        help
451          TODO
452
453config BUSYBOX_CONFIG_FEATURE_VOLUMEID_NTFS
454        bool "ntfs filesystem"
455        default n
456        depends on BUSYBOX_CONFIG_VOLUMEID
457        help
458          TODO
459
460config BUSYBOX_CONFIG_FEATURE_VOLUMEID_ISO9660
461        bool "iso9660 filesystem"
462        default n
463        depends on BUSYBOX_CONFIG_VOLUMEID
464        help
465          TODO
466
467config BUSYBOX_CONFIG_FEATURE_VOLUMEID_UDF
468        bool "udf filesystem"
469        default n
470        depends on BUSYBOX_CONFIG_VOLUMEID
471        help
472          TODO
473
474config BUSYBOX_CONFIG_FEATURE_VOLUMEID_LUKS
475        bool "luks filesystem"
476        default n
477        depends on BUSYBOX_CONFIG_VOLUMEID
478        help
479          TODO
480
481config BUSYBOX_CONFIG_FEATURE_VOLUMEID_LINUXSWAP
482        bool "linux swap filesystem"
483        default n
484        depends on BUSYBOX_CONFIG_VOLUMEID
485        help
486          TODO
487
488### config FEATURE_VOLUMEID_LVM
489###     bool "lvm"
490###     default n
491###     depends on VOLUMEID
492###     help
493###       TODO
494
495config BUSYBOX_CONFIG_FEATURE_VOLUMEID_CRAMFS
496        bool "cramfs filesystem"
497        default n
498        depends on BUSYBOX_CONFIG_VOLUMEID
499        help
500          TODO
501
502### config FEATURE_VOLUMEID_HPFS
503###     bool "hpfs filesystem"
504###     default n
505###     depends on VOLUMEID
506###     help
507###       TODO
508
509config BUSYBOX_CONFIG_FEATURE_VOLUMEID_ROMFS
510        bool "romfs filesystem"
511        default n
512        depends on BUSYBOX_CONFIG_VOLUMEID
513        help
514          TODO
515
516config BUSYBOX_CONFIG_FEATURE_VOLUMEID_SYSV
517        bool "sysv filesystem"
518        default n
519        depends on BUSYBOX_CONFIG_VOLUMEID
520        help
521          TODO
522
523### config FEATURE_VOLUMEID_MINIX
524###     bool "minix filesystem"
525###     default n
526###     depends on VOLUMEID
527###     help
528###       TODO
529
530### These only detect partition tables - not used (yet?)
531### config FEATURE_VOLUMEID_MAC
532###     bool "mac filesystem"
533###     default n
534###     depends on VOLUMEID
535###     help
536###       TODO
537###
538### config FEATURE_VOLUMEID_MSDOS
539###     bool "msdos filesystem"
540###     default n
541###     depends on VOLUMEID
542###     help
543###       TODO
544
545config BUSYBOX_CONFIG_FEATURE_VOLUMEID_OCFS2
546        bool "ocfs2 filesystem"
547        default n
548        depends on BUSYBOX_CONFIG_VOLUMEID
549        help
550          TODO
551
552### config FEATURE_VOLUMEID_HIGHPOINTRAID
553###     bool "highpoint raid"
554###     default n
555###     depends on VOLUMEID
556###     help
557###       TODO
558
559### config FEATURE_VOLUMEID_ISWRAID
560###     bool "intel raid"
561###     default n
562###     depends on VOLUMEID
563###     help
564###       TODO
565
566### config FEATURE_VOLUMEID_LSIRAID
567###     bool "lsi raid"
568###     default n
569###     depends on VOLUMEID
570###     help
571###       TODO
572
573### config FEATURE_VOLUMEID_VIARAID
574###     bool "via raid"
575###     default n
576###     depends on VOLUMEID
577###     help
578###       TODO
579
580### config FEATURE_VOLUMEID_SILICONRAID
581###     bool "silicon raid"
582###     default n
583###     depends on VOLUMEID
584###     help
585###       TODO
586
587### config FEATURE_VOLUMEID_NVIDIARAID
588###     bool "nvidia raid"
589###     default n
590###     depends on VOLUMEID
591###     help
592###       TODO
593
594### config FEATURE_VOLUMEID_PROMISERAID
595###     bool "promise raid"
596###     default n
597###     depends on VOLUMEID
598###     help
599###       TODO
600
601config BUSYBOX_CONFIG_FEATURE_VOLUMEID_LINUXRAID
602        bool "linuxraid"
603        default n
604        depends on BUSYBOX_CONFIG_VOLUMEID
605        help
606          TODO
607
608config BUSYBOX_CONFIG_MOUNT
609        bool "mount"
610        default y
611        help
612          All files and filesystems in Unix are arranged into one big directory
613          tree. The 'mount' utility is used to graft a filesystem onto a
614          particular part of the tree. A filesystem can either live on a block
615          device, or it can be accessible over the network, as is the case with
616          NFS filesystems. Most people using BusyBox will also want to enable
617          the 'mount' utility.
618
619config BUSYBOX_CONFIG_FEATURE_MOUNT_FAKE
620        bool "Support option -f"
621        default n
622        depends on BUSYBOX_CONFIG_MOUNT
623        help
624          Enable support for faking a file system mount.
625
626config BUSYBOX_CONFIG_FEATURE_MOUNT_VERBOSE
627        bool "Support option -v"
628        default n
629        depends on BUSYBOX_CONFIG_MOUNT
630        help
631          Enable multi-level -v[vv...] verbose messages. Useful if you
632          debug mount problems and want to see what is exactly passed
633          to the kernel.
634
635config BUSYBOX_CONFIG_FEATURE_MOUNT_HELPERS
636        bool "Support mount helpers"
637        default n
638        depends on BUSYBOX_CONFIG_MOUNT
639        help
640          Enable mounting of virtual file systems via external helpers.
641          E.g. "mount obexfs#-b00.11.22.33.44.55 /mnt" will in effect call
642          "obexfs -b00.11.22.33.44.55 /mnt"
643          Also "mount -t sometype [-o opts] fs /mnt" will try
644          "sometype [-o opts] fs /mnt" if simple mount syscall fails.
645          The idea is to use such virtual filesystems in /etc/fstab.
646
647config BUSYBOX_CONFIG_FEATURE_MOUNT_LABEL
648        bool "Support specifiying devices by label or UUID"
649        default n
650        depends on BUSYBOX_CONFIG_MOUNT
651        select BUSYBOX_CONFIG_VOLUMEID
652        help
653          This allows for specifying a device by label or uuid, rather than by
654          name. This feature utilizes the same functionality as findfs.
655
656config BUSYBOX_CONFIG_FEATURE_MOUNT_NFS
657        bool "Support mounting NFS file systems"
658        default y
659        depends on BUSYBOX_CONFIG_MOUNT
660        select BUSYBOX_CONFIG_FEATURE_HAVE_RPC
661        select BUSYBOX_CONFIG_FEATURE_SYSLOG
662        help
663          Enable mounting of NFS file systems.
664
665config BUSYBOX_CONFIG_FEATURE_MOUNT_CIFS
666        bool "Support mounting CIFS/SMB file systems"
667        default y
668        depends on BUSYBOX_CONFIG_MOUNT
669        help
670          Enable support for samba mounts.
671
672config BUSYBOX_CONFIG_FEATURE_MOUNT_FLAGS
673        depends on BUSYBOX_CONFIG_MOUNT
674        bool "Support lots of -o flags in mount"
675        default y
676        help
677          Without this, mount only supports ro/rw/remount. With this, it
678          supports nosuid, suid, dev, nodev, exec, noexec, sync, async, atime,
679          noatime, diratime, nodiratime, loud, bind, move, shared, slave,
680          private, unbindable, rshared, rslave, rprivate, and runbindable.
681
682config BUSYBOX_CONFIG_FEATURE_MOUNT_FSTAB
683        depends on BUSYBOX_CONFIG_MOUNT
684        bool "Support /etc/fstab and -a"
685        default y
686        help
687          Support mount all and looking for files in /etc/fstab.
688
689config BUSYBOX_CONFIG_PIVOT_ROOT
690        bool "pivot_root"
691        default y
692        help
693          The pivot_root utility swaps the mount points for the root filesystem
694          with some other mounted filesystem. This allows you to do all sorts
695          of wild and crazy things with your Linux system and is far more
696          powerful than 'chroot'.
697
698          Note: This is for initrd in linux 2.4. Under initramfs (introduced
699          in linux 2.6) use switch_root instead.
700
701config BUSYBOX_CONFIG_RDATE
702        bool "rdate"
703        default y
704        help
705          The rdate utility allows you to synchronize the date and time of your
706          system clock with the date and time of a remote networked system using
707          the RFC868 protocol, which is built into the inetd daemon on most
708          systems.
709
710config BUSYBOX_CONFIG_RDEV
711       bool "rdev"
712       default n
713       help
714          Print the device node associated with the filesystem mounted at '/'.
715
716config BUSYBOX_CONFIG_READPROFILE
717        bool "readprofile"
718        default n
719        help
720          This allows you to parse /proc/profile for basic profiling.
721
722config BUSYBOX_CONFIG_RTCWAKE
723        bool "rtcwake"
724        default n
725        help
726          Enter a system sleep state until specified wakeup time.
727
728config BUSYBOX_CONFIG_SCRIPT
729        bool "script"
730        default n
731        help
732          The script makes typescript of terminal session.
733
734config BUSYBOX_CONFIG_SETARCH
735        bool "setarch"
736        default n
737        help
738          The linux32 utility is used to create a 32bit environment for the
739          specified program (usually a shell). It only makes sense to have
740          this util on a system that supports both 64bit and 32bit userland
741          (like amd64/x86, ppc64/ppc, sparc64/sparc, etc...).
742
743config BUSYBOX_CONFIG_SWAPONOFF
744        bool "swaponoff"
745        default n
746        help
747          This option enables both the 'swapon' and the 'swapoff' utilities.
748          Once you have created some swap space using 'mkswap', you also need
749          to enable your swap space with the 'swapon' utility. The 'swapoff'
750          utility is used, typically at system shutdown, to disable any swap
751          space. If you are not using any swap space, you can leave this
752          option disabled.
753
754config BUSYBOX_CONFIG_FEATURE_SWAPON_PRI
755        bool "Support priority option -p"
756        default n
757        depends on BUSYBOX_CONFIG_SWAPONOFF
758        help
759          Enable support for setting swap device priority in swapon.
760
761config BUSYBOX_CONFIG_SWITCH_ROOT
762        bool "switch_root"
763        default y
764        help
765          The switch_root utility is used from initramfs to select a new
766          root device. Under initramfs, you have to use this instead of
767          pivot_root. (Stop reading here if you don't care why.)
768
769          Booting with initramfs extracts a gzipped cpio archive into rootfs
770          (which is a variant of ramfs/tmpfs). Because rootfs can't be moved
771          or unmounted*, pivot_root will not work from initramfs. Instead,
772          switch_root deletes everything out of rootfs (including itself),
773          does a mount --move that overmounts rootfs with the new root, and
774          then execs the specified init program.
775
776          * Because the Linux kernel uses rootfs internally as the starting
777          and ending point for searching through the kernel's doubly linked
778          list of active mount points. That's why.
779
780config BUSYBOX_CONFIG_UMOUNT
781        bool "umount"
782        default y
783        help
784          When you want to remove a mounted filesystem from its current mount
785          point, for example when you are shutting down the system, the
786          'umount' utility is the tool to use. If you enabled the 'mount'
787          utility, you almost certainly also want to enable 'umount'.
788
789config BUSYBOX_CONFIG_FEATURE_UMOUNT_ALL
790        bool "Support option -a"
791        default y
792        depends on BUSYBOX_CONFIG_UMOUNT
793        help
794          Support -a option to unmount all currently mounted filesystems.
795
796comment "Common options for mount/umount"
797        depends on BUSYBOX_CONFIG_MOUNT || BUSYBOX_CONFIG_UMOUNT
798
799config BUSYBOX_CONFIG_FEATURE_MOUNT_LOOP
800        bool "Support loopback mounts"
801        default y
802        depends on BUSYBOX_CONFIG_MOUNT || BUSYBOX_CONFIG_UMOUNT
803        help
804          Enabling this feature allows automatic mounting of files (containing
805          filesystem images) via the linux kernel's loopback devices.
806          The mount command will detect you are trying to mount a file instead
807          of a block device, and transparently associate the file with a
808          loopback device. The umount command will also free that loopback
809          device.
810
811          You can still use the 'losetup' utility (to manually associate files
812          with loop devices) if you need to do something advanced, such as
813          specify an offset or cryptographic options to the loopback device.
814          (If you don't want umount to free the loop device, use "umount -D".)
815
816config BUSYBOX_CONFIG_FEATURE_MTAB_SUPPORT
817        bool "Support for the old /etc/mtab file"
818        default n
819        depends on BUSYBOX_CONFIG_MOUNT || BUSYBOX_CONFIG_UMOUNT
820        select BUSYBOX_CONFIG_FEATURE_MOUNT_FAKE
821        help
822          Historically, Unix systems kept track of the currently mounted
823          partitions in the file "/etc/mtab". These days, the kernel exports
824          the list of currently mounted partitions in "/proc/mounts", rendering
825          the old mtab file obsolete. (In modern systems, /etc/mtab should be
826          a symlink to /proc/mounts.)
827
828          The only reason to have mount maintain an /etc/mtab file itself is if
829          your stripped-down embedded system does not have a /proc directory.
830          If you must use this, keep in mind it's inherently brittle (for
831          example a mount under chroot won't update it), can't handle modern
832          features like separate per-process filesystem namespaces, requires
833          that your /etc directory be writeable, tends to get easily confused
834          by --bind or --move mounts, won't update if you rename a directory
835          that contains a mount point, and so on. (In brief: avoid.)
836
837          About the only reason to use this is if you've removed /proc from
838          your kernel.
839
840endmenu
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