Blame - shell/Config.in - codeaurora/busybox

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Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	1	#
				2	# For a description of the syntax of this configuration file,
				3	# see scripts/kbuild/config-language.txt.
				4	#
				5
Glenn L McGrath	fdbbb04	2002-12-09 11:10:40 +0000	[diff] [blame]	6	menu "Another Bourne-like Shell"
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	7
				8	choice
				9	prompt "Choose your default shell"
Eric Andersen	72d8e44	2003-08-05 02:18:25 +0000	[diff] [blame]	10	default CONFIG_FEATURE_SH_IS_NONE
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	11	help
Eric Andersen	e564211	2003-07-14 19:37:08 +0000	[diff] [blame]	12	Choose a shell. The ash shell is the most bash compatible
Eric Andersen	88c916b	2003-10-22 09:58:56 +0000	[diff] [blame]	13	and full featured one.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	14
				15	config CONFIG_FEATURE_SH_IS_ASH
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	16	select CONFIG_ASH
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	17	bool "ash"
				18
				19	config CONFIG_FEATURE_SH_IS_HUSH
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	20	select CONFIG_HUSH
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	21	bool "hush"
				22
				23	config CONFIG_FEATURE_SH_IS_LASH
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	24	select CONFIG_LASH
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	25	bool "lash"
				26
				27	config CONFIG_FEATURE_SH_IS_MSH
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	28	select CONFIG_MSH
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	29	bool "msh"
				30
Eric Andersen	a6b9051	2002-12-06 21:49:59 +0000	[diff] [blame]	31	config CONFIG_FEATURE_SH_IS_NONE
				32	bool "none"
				33
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	34	endchoice
				35
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	36	config CONFIG_ASH
				37	bool "ash"
				38	default y
				39	help
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	40	Tha 'ash' shell adds about 60k in the default configuration and is
				41	the most complete and most pedantically correct shell included with
Eric Andersen	88c916b	2003-10-22 09:58:56 +0000	[diff] [blame]	42	busybox. This shell is actually a derivative of the Debian 'dash'
				43	shell (by Herbert Xu), which was created by porting the 'ash' shell
Eric Andersen	c7bda1c	2004-03-15 08:29:22 +0000	[diff] [blame]	44	(written by Kenneth Almquist) from NetBSD.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	45
				46	comment "Ash Shell Options"
				47	depends on CONFIG_ASH
				48
				49	config CONFIG_ASH_JOB_CONTROL
				50	bool " Enable Job control"
				51	default y
				52	depends on CONFIG_ASH
				53	help
Eric Andersen	e564211	2003-07-14 19:37:08 +0000	[diff] [blame]	54	Enable job control in the ash shell.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	55
Ned Ludd	2123b7c	2005-02-09 21:07:23 +0000	[diff] [blame]	56	config CONFIG_ASH_TIMEOUT
				57	bool " Enable read timeout support."
				58	default n
				59	depends on CONFIG_ASH_JOB_CONTROL
				60	help
				61	This option provides read -t <seconds> support.
				62
				63	read builtin which allows the function to pass control back
				64	if no character input is read from the terminal within a set
				65	number of seconds.
				66
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	67	config CONFIG_ASH_ALIAS
				68	bool " Enable alias support"
				69	default y
				70	depends on CONFIG_ASH
				71	help
Eric Andersen	e564211	2003-07-14 19:37:08 +0000	[diff] [blame]	72	Enable alias support in the ash shell.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	73
				74	config CONFIG_ASH_MATH_SUPPORT
				75	bool " Enable Posix math support"
				76	default y
				77	depends on CONFIG_ASH
				78	help
Eric Andersen	e564211	2003-07-14 19:37:08 +0000	[diff] [blame]	79	Enable math support in the ash shell.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	80
Eric Andersen	ed9ecf7	2004-06-22 08:29:45 +0000	[diff] [blame]	81	config CONFIG_ASH_MATH_SUPPORT_64
				82	bool " Extend Posix math support to 64 bit"
				83	default n
				84	depends on CONFIG_ASH_MATH_SUPPORT
				85	help
				86	Enable 64-bit math support in the ash shell. This will make
				87	the shell slightly larger, but will allow computation with very
				88	large numbers.
				89
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	90	config CONFIG_ASH_GETOPTS
Glenn L McGrath	53090cd	2004-09-24 09:09:44 +0000	[diff] [blame]	91	bool " Enable getopts builtin to parse positional parameters"
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	92	default n
				93	depends on CONFIG_ASH
				94	help
Glenn L McGrath	53090cd	2004-09-24 09:09:44 +0000	[diff] [blame]	95	Enable getopts builtin in the ash shell.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	96
				97	config CONFIG_ASH_CMDCMD
				98	bool " Enable cmdcmd to override shell builtins"
				99	default n
				100	depends on CONFIG_ASH
				101	help
Eric Andersen	3857a18	2003-07-22 10:14:32 +0000	[diff] [blame]	102	Enable support for the ash 'command' builtin, which allows
				103	you to run the specified command with the specified arguments,
				104	even when there is an ash builtin command with the same name.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	105
				106	config CONFIG_ASH_MAIL
				107	bool " Check for new mail on interactive shells"
				108	default y
				109	depends on CONFIG_ASH
				110	help
Eric Andersen	e564211	2003-07-14 19:37:08 +0000	[diff] [blame]	111	Enable "check for new mail" in the ash shell.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	112
				113	config CONFIG_ASH_OPTIMIZE_FOR_SIZE
				114	bool " Optimize for size instead of speed"
				115	default y
				116	depends on CONFIG_ASH
				117	help
Eric Andersen	e564211	2003-07-14 19:37:08 +0000	[diff] [blame]	118	Compile ash for reduced size at price of speed.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	119
Eric Andersen	16767e2	2004-03-16 05:14:10 +0000	[diff] [blame]	120	config CONFIG_ASH_RANDOM_SUPPORT
				121	bool " Enable pseudorandom generator and variable $RANDOM"
				122	default n
				123	depends on CONFIG_ASH
				124	help
				125	Enable pseudorandom generator and dynamic variable "$RANDOM".
				126	Each read of "$RANDOM" will generate a new pseudorandom value.
				127	You can reset the generator by using a specified start value.
				128	After "unset RANDOM" then generator will switch off and this
				129	variable will no longer have special treatment.
				130
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	131	config CONFIG_HUSH
				132	bool "hush"
				133	default n
				134	help
Eric Andersen	88c916b	2003-10-22 09:58:56 +0000	[diff] [blame]	135	hush is a very small shell (just 18k) and it has fairly complete
				136	Bourne shell grammar. It even handles all the normal flow control
				137	options such as if/then/elif/else/fi, for/in/do/done, while loops,
				138	etc.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	139
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	140	It does not handle case/esac, select, function, here documents ( <<
				141	word ), arithmetic expansion, aliases, brace expansion, tilde
				142	expansion, &> and >& redirection of stdout+stderr, etc.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	143
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	144
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	145	config CONFIG_LASH
				146	bool "lash"
				147	default n
				148	help
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	149	lash is the very smallest shell (adds just 10k) and it is quite
				150	usable as a command prompt, but it is not suitable for any but the
				151	most trivial scripting (such as an initrd that calls insmod a few
Eric Andersen	88c916b	2003-10-22 09:58:56 +0000	[diff] [blame]	152	times) since it does not understand any Bourne shell grammar. It
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	153	does handle pipes, redirects, and job control though. Adding in
				154	command editing makes it a very nice lightweight command prompt.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	155
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	156
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	157	config CONFIG_MSH
				158	bool "msh"
				159	default n
				160	help
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	161	The minix shell (adds just 30k) is quite complete and handles things
				162	like for/do/done, case/esac and all the things you expect a Bourne
				163	shell to do. It is not always pedantically correct about Bourne
Eric Andersen	88c916b	2003-10-22 09:58:56 +0000	[diff] [blame]	164	shell grammar (try running the shell testscript "tests/sh.testcases"
Eric Andersen	b287e2e	2003-08-08 23:40:12 +0000	[diff] [blame]	165	on it and compare vs bash) but for most things it works quite well.
				166	It also uses only vfork, so it can be used on uClinux systems.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	167
				168	comment "Bourne Shell Options"
				169	depends on CONFIG_MSH \|\| CONFIG_LASH \|\| CONFIG_HUSH \|\| CONFIG_ASH
				170
Glenn L McGrath	3b25185	2004-01-03 12:07:32 +0000	[diff] [blame]	171	config CONFIG_FEATURE_SH_EXTRA_QUIET
				172	bool "Hide message on interactive shell startup"
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	173	default n
				174	depends on CONFIG_MSH \|\| CONFIG_LASH \|\| CONFIG_HUSH \|\| CONFIG_ASH
				175	help
Glenn L McGrath	3b25185	2004-01-03 12:07:32 +0000	[diff] [blame]	176	Remove the busybox introduction when starting a shell.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	177
				178	config CONFIG_FEATURE_SH_STANDALONE_SHELL
				179	bool "Standalone shell"
				180	default n
				181	depends on CONFIG_MSH \|\| CONFIG_LASH \|\| CONFIG_HUSH \|\| CONFIG_ASH
				182	help
Eric Andersen	075dd81	2004-04-07 09:34:27 +0000	[diff] [blame]	183	This option causes the selected busybox shell to use busybox applets
				184	in preference to executables in the PATH whenever possible. For
				185	example, entering the command 'ifconfig' into the shell would cause
				186	busybox to use the ifconfig busybox applet. Specifying the fully
				187	qualified executable name, such as '/sbin/ifconfig' will still
				188	execute the /sbin/ifconfig executable on the filesystem. This option
				189	is generally used when creating a staticly linked version of busybox
				190	for use as a rescue shell, in the event that you screw up your system.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	191
Eric Andersen	6f8542b	2004-09-24 01:25:39 +0000	[diff] [blame]	192	Note that when using this option, the shell will attempt to directly
				193	run '/bin/busybox'. If you do not have the busybox binary sitting in
				194	that exact location with that exact name, this option will not work at
				195	all.
				196
Glenn L McGrath	3b25185	2004-01-03 12:07:32 +0000	[diff] [blame]	197	config CONFIG_FEATURE_COMMAND_EDITING
				198	bool "command line editing"
				199	default n
				200	depends on CONFIG_MSH \|\| CONFIG_LASH \|\| CONFIG_HUSH \|\| CONFIG_ASH
				201	help
				202	Enable command editing in shell.
				203
				204	config CONFIG_FEATURE_COMMAND_HISTORY
				205	int "history size"
				206	default 15
				207	depends on CONFIG_FEATURE_COMMAND_EDITING
				208	help
				209	Specify command history size in shell.
				210
				211	config CONFIG_FEATURE_COMMAND_SAVEHISTORY
				212	bool "history saving"
				213	default n
				214	depends on CONFIG_ASH && CONFIG_FEATURE_COMMAND_EDITING
				215	help
				216	Enable history saving in ash shell.
				217
				218	config CONFIG_FEATURE_COMMAND_TAB_COMPLETION
				219	bool "tab completion"
				220	default n
				221	depends on CONFIG_FEATURE_COMMAND_EDITING
				222	help
				223	Enable tab completion in shell.
				224
				225	config CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
				226	bool "username completion"
				227	default n
				228	depends on CONFIG_FEATURE_COMMAND_TAB_COMPLETION
				229	help
				230	Enable username completion in shell.
				231
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	232	config CONFIG_FEATURE_SH_FANCY_PROMPT
				233	bool "Fancy shell prompts"
				234	default n
Glenn L McGrath	3b25185	2004-01-03 12:07:32 +0000	[diff] [blame]	235	depends on CONFIG_FEATURE_COMMAND_EDITING
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	236	help
Eric Andersen	9c3c38d	2003-07-22 09:59:34 +0000	[diff] [blame]	237	Setting this option allows for prompts to use things like \w and
				238	\$ and also using escape codes.
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	239
Eric Andersen	c9f20d9	2002-12-05 08:41:41 +0000	[diff] [blame]	240	endmenu