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-rw-r--r--shell/Config.src124
1 files changed, 62 insertions, 62 deletions
diff --git a/shell/Config.src b/shell/Config.src
index 0dbf304ae..81c4ec874 100644
--- a/shell/Config.src
+++ b/shell/Config.src
@@ -10,26 +10,26 @@ choice
10 prompt "Choose which shell is aliased to 'sh' name" 10 prompt "Choose which shell is aliased to 'sh' name"
11 default SH_IS_ASH 11 default SH_IS_ASH
12 help 12 help
13 Choose which shell you want to be executed by 'sh' alias. 13 Choose which shell you want to be executed by 'sh' alias.
14 The ash shell is the most bash compatible and full featured one. 14 The ash shell is the most bash compatible and full featured one.
15 15
16# note: cannot use "select ASH" here, it breaks "make allnoconfig" 16# note: cannot use "select ASH" here, it breaks "make allnoconfig"
17config SH_IS_ASH 17config SH_IS_ASH
18 depends on !NOMMU 18 depends on !NOMMU
19 bool "ash" 19 bool "ash"
20 help 20 help
21 Choose ash to be the shell executed by 'sh' name. 21 Choose ash to be the shell executed by 'sh' name.
22 The ash code will be built into busybox. If you don't select 22 The ash code will be built into busybox. If you don't select
23 "ash" choice (CONFIG_ASH), this shell may only be invoked by 23 "ash" choice (CONFIG_ASH), this shell may only be invoked by
24 the name 'sh' (and not 'ash'). 24 the name 'sh' (and not 'ash').
25 25
26config SH_IS_HUSH 26config SH_IS_HUSH
27 bool "hush" 27 bool "hush"
28 help 28 help
29 Choose hush to be the shell executed by 'sh' name. 29 Choose hush to be the shell executed by 'sh' name.
30 The hush code will be built into busybox. If you don't select 30 The hush code will be built into busybox. If you don't select
31 "hush" choice (CONFIG_HUSH), this shell may only be invoked by 31 "hush" choice (CONFIG_HUSH), this shell may only be invoked by
32 the name 'sh' (and not 'hush'). 32 the name 'sh' (and not 'hush').
33 33
34config SH_IS_NONE 34config SH_IS_NONE
35 bool "none" 35 bool "none"
@@ -40,36 +40,36 @@ choice
40 prompt "Choose which shell is aliased to 'bash' name" 40 prompt "Choose which shell is aliased to 'bash' name"
41 default BASH_IS_NONE 41 default BASH_IS_NONE
42 help 42 help
43 Choose which shell you want to be executed by 'bash' alias. 43 Choose which shell you want to be executed by 'bash' alias.
44 The ash shell is the most bash compatible and full featured one, 44 The ash shell is the most bash compatible and full featured one,
45 although compatibility is far from being complete. 45 although compatibility is far from being complete.
46 46
47 Note that selecting this option does not switch on any bash 47 Note that selecting this option does not switch on any bash
48 compatibility code. It merely makes it possible to install 48 compatibility code. It merely makes it possible to install
49 /bin/bash (sym)link and run scripts which start with 49 /bin/bash (sym)link and run scripts which start with
50 #!/bin/bash line. 50 #!/bin/bash line.
51 51
52 Many systems use it in scripts which use bash-specific features, 52 Many systems use it in scripts which use bash-specific features,
53 even simple ones like $RANDOM. Without this option, busybox 53 even simple ones like $RANDOM. Without this option, busybox
54 can't be used for running them because it won't recongnize 54 can't be used for running them because it won't recongnize
55 "bash" as a supported applet name. 55 "bash" as a supported applet name.
56 56
57config BASH_IS_ASH 57config BASH_IS_ASH
58 depends on !NOMMU 58 depends on !NOMMU
59 bool "ash" 59 bool "ash"
60 help 60 help
61 Choose ash to be the shell executed by 'bash' name. 61 Choose ash to be the shell executed by 'bash' name.
62 The ash code will be built into busybox. If you don't select 62 The ash code will be built into busybox. If you don't select
63 "ash" choice (CONFIG_ASH), this shell may only be invoked by 63 "ash" choice (CONFIG_ASH), this shell may only be invoked by
64 the name 'bash' (and not 'ash'). 64 the name 'bash' (and not 'ash').
65 65
66config BASH_IS_HUSH 66config BASH_IS_HUSH
67 bool "hush" 67 bool "hush"
68 help 68 help
69 Choose hush to be the shell executed by 'bash' name. 69 Choose hush to be the shell executed by 'bash' name.
70 The hush code will be built into busybox. If you don't select 70 The hush code will be built into busybox. If you don't select
71 "hush" choice (CONFIG_HUSH), this shell may only be invoked by 71 "hush" choice (CONFIG_HUSH), this shell may only be invoked by
72 the name 'bash' (and not 'hush'). 72 the name 'bash' (and not 'hush').
73 73
74config BASH_IS_NONE 74config BASH_IS_NONE
75 bool "none" 75 bool "none"
@@ -88,78 +88,78 @@ config FEATURE_SH_MATH
88 default y 88 default y
89 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH 89 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH
90 help 90 help
91 Enable math support in the shell via $((...)) syntax. 91 Enable math support in the shell via $((...)) syntax.
92 92
93config FEATURE_SH_MATH_64 93config FEATURE_SH_MATH_64
94 bool "Extend POSIX math support to 64 bit" 94 bool "Extend POSIX math support to 64 bit"
95 default y 95 default y
96 depends on FEATURE_SH_MATH 96 depends on FEATURE_SH_MATH
97 help 97 help
98 Enable 64-bit math support in the shell. This will make the shell 98 Enable 64-bit math support in the shell. This will make the shell
99 slightly larger, but will allow computation with very large numbers. 99 slightly larger, but will allow computation with very large numbers.
100 This is not in POSIX, so do not rely on this in portable code. 100 This is not in POSIX, so do not rely on this in portable code.
101 101
102config FEATURE_SH_EXTRA_QUIET 102config FEATURE_SH_EXTRA_QUIET
103 bool "Hide message on interactive shell startup" 103 bool "Hide message on interactive shell startup"
104 default y 104 default y
105 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH 105 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH
106 help 106 help
107 Remove the busybox introduction when starting a shell. 107 Remove the busybox introduction when starting a shell.
108 108
109config FEATURE_SH_STANDALONE 109config FEATURE_SH_STANDALONE
110 bool "Standalone shell" 110 bool "Standalone shell"
111 default n 111 default n
112 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH 112 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH
113 help 113 help
114 This option causes busybox shells to use busybox applets 114 This option causes busybox shells to use busybox applets
115 in preference to executables in the PATH whenever possible. For 115 in preference to executables in the PATH whenever possible. For
116 example, entering the command 'ifconfig' into the shell would cause 116 example, entering the command 'ifconfig' into the shell would cause
117 busybox to use the ifconfig busybox applet. Specifying the fully 117 busybox to use the ifconfig busybox applet. Specifying the fully
118 qualified executable name, such as '/sbin/ifconfig' will still 118 qualified executable name, such as '/sbin/ifconfig' will still
119 execute the /sbin/ifconfig executable on the filesystem. This option 119 execute the /sbin/ifconfig executable on the filesystem. This option
120 is generally used when creating a statically linked version of busybox 120 is generally used when creating a statically linked version of busybox
121 for use as a rescue shell, in the event that you screw up your system. 121 for use as a rescue shell, in the event that you screw up your system.
122 122
123 This is implemented by re-execing /proc/self/exe (typically) 123 This is implemented by re-execing /proc/self/exe (typically)
124 with right parameters. 124 with right parameters.
125 125
126 However, there are drawbacks: it is problematic in chroot jails 126 However, there are drawbacks: it is problematic in chroot jails
127 without mounted /proc, and ps/top may show command name as 'exe' 127 without mounted /proc, and ps/top may show command name as 'exe'
128 for applets started this way. 128 for applets started this way.
129 129
130config FEATURE_SH_NOFORK 130config FEATURE_SH_NOFORK
131 bool "Run 'nofork' applets directly" 131 bool "Run 'nofork' applets directly"
132 default n 132 default n
133 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH 133 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH
134 help 134 help
135 This option causes busybox shells to not execute typical 135 This option causes busybox shells to not execute typical
136 fork/exec/wait sequence, but call <applet>_main directly, 136 fork/exec/wait sequence, but call <applet>_main directly,
137 if possible. (Sometimes it is not possible: for example, 137 if possible. (Sometimes it is not possible: for example,
138 this is not possible in pipes). 138 this is not possible in pipes).
139 139
140 This will be done only for some applets (those which are marked 140 This will be done only for some applets (those which are marked
141 NOFORK in include/applets.h). 141 NOFORK in include/applets.h).
142 142
143 This may significantly speed up some shell scripts. 143 This may significantly speed up some shell scripts.
144 144
145 This feature is relatively new. Use with care. Report bugs 145 This feature is relatively new. Use with care. Report bugs
146 to project mailing list. 146 to project mailing list.
147 147
148config FEATURE_SH_READ_FRAC 148config FEATURE_SH_READ_FRAC
149 bool "read -t N.NNN support (+110 bytes)" 149 bool "read -t N.NNN support (+110 bytes)"
150 default y 150 default y
151 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH 151 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH
152 help 152 help
153 Enable support for fractional second timeout in read builtin. 153 Enable support for fractional second timeout in read builtin.
154 154
155config FEATURE_SH_HISTFILESIZE 155config FEATURE_SH_HISTFILESIZE
156 bool "Use $HISTFILESIZE" 156 bool "Use $HISTFILESIZE"
157 default y 157 default y
158 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH 158 depends on ASH || HUSH || SH_IS_ASH || BASH_IS_ASH || SH_IS_HUSH || BASH_IS_HUSH
159 help 159 help
160 This option makes busybox shells to use $HISTFILESIZE variable 160 This option makes busybox shells to use $HISTFILESIZE variable
161 to set shell history size. Note that its max value is capped 161 to set shell history size. Note that its max value is capped
162 by "History size" setting in library tuning section. 162 by "History size" setting in library tuning section.
163 163
164endif # Options common to all shells 164endif # Options common to all shells
165 165