diff options
Diffstat (limited to 'config/busybox/shell/Config.in')
| -rw-r--r-- | config/busybox/shell/Config.in | 232 |
1 files changed, 118 insertions, 114 deletions
diff --git a/config/busybox/shell/Config.in b/config/busybox/shell/Config.in index 97f2e6164..3d41fb5f8 100644 --- a/config/busybox/shell/Config.in +++ b/config/busybox/shell/Config.in @@ -6,6 +6,57 @@ menu "Shells" + +choice + prompt "Choose which shell is aliased to 'sh' name" + default BUSYBOX_SH_IS_ASH + help + Choose which shell you want to be executed by 'sh' alias. + The ash shell is the most bash compatible and full featured one. + +# note: cannot use "select ASH" here, it breaks "make allnoconfig" +config BUSYBOX_SH_IS_ASH + depends on !BUSYBOX_NOMMU + bool "ash" + +config BUSYBOX_SH_IS_HUSH + bool "hush" + +config BUSYBOX_SH_IS_NONE + bool "none" + +endchoice + +choice + prompt "Choose which shell is aliased to 'bash' name" + default BUSYBOX_BASH_IS_NONE + help + Choose which shell you want to be executed by 'bash' alias. + The ash shell is the most bash compatible and full featured one. + + Note that selecting this option does not switch on any bash + compatibility code. It merely makes it possible to install + /bin/bash (sym)link and run scripts which start with + #!/bin/bash line. + + Many systems use it in scripts which use bash-specific features, + even simple ones like $RANDOM. Without this option, busybox + can't be used for running them because it won't recongnize + "bash" as a supported applet name. + +config BUSYBOX_BASH_IS_ASH + depends on !BUSYBOX_NOMMU + bool "ash" + +config BUSYBOX_BASH_IS_HUSH + bool "hush" + +config BUSYBOX_BASH_IS_NONE + bool "none" + +endchoice + + config BUSYBOX_ASH bool "ash" default y @@ -17,73 +68,109 @@ config BUSYBOX_ASH shell (by Herbert Xu), which was created by porting the 'ash' shell (written by Kenneth Almquist) from NetBSD. +config BUSYBOX_ASH_OPTIMIZE_FOR_SIZE + bool "Optimize for size instead of speed" + default y + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH + help + Compile ash for reduced size at the price of speed. + +config BUSYBOX_ASH_INTERNAL_GLOB + bool "Use internal glob() implementation" + default y # Y is bigger, but because of uclibc glob() bug, let Y be default for now + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH + help + Do not use glob() function from libc, use internal implementation. + Use this if you are getting "glob.h: No such file or directory" + or similar build errors. + +config BUSYBOX_ASH_RANDOM_SUPPORT + bool "Pseudorandom generator and $RANDOM variable" + default y + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH + help + Enable pseudorandom generator and dynamic variable "$RANDOM". + Each read of "$RANDOM" will generate a new pseudorandom value. + You can reset the generator by using a specified start value. + After "unset RANDOM" the generator will switch off and this + variable will no longer have special treatment. + +config BUSYBOX_ASH_EXPAND_PRMT + bool "Expand prompt string" + default y + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH + help + "PS#" may contain volatile content, such as backquote commands. + This option recreates the prompt string from the environment + variable each time it is displayed. + config BUSYBOX_ASH_BASH_COMPAT bool "bash-compatible extensions" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enable bash-compatible extensions. config BUSYBOX_ASH_IDLE_TIMEOUT bool "Idle timeout variable" default n - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enables bash-like auto-logout after $TMOUT seconds of idle time. config BUSYBOX_ASH_JOB_CONTROL bool "Job control" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enable job control in the ash shell. config BUSYBOX_ASH_ALIAS bool "Alias support" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enable alias support in the ash shell. config BUSYBOX_ASH_GETOPTS bool "Builtin getopt to parse positional parameters" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enable support for getopts builtin in ash. config BUSYBOX_ASH_BUILTIN_ECHO bool "Builtin version of 'echo'" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enable support for echo builtin in ash. config BUSYBOX_ASH_BUILTIN_PRINTF bool "Builtin version of 'printf'" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enable support for printf builtin in ash. config BUSYBOX_ASH_BUILTIN_TEST bool "Builtin version of 'test'" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enable support for test builtin in ash. config BUSYBOX_ASH_HELP bool "help builtin" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enable help builtin in ash. config BUSYBOX_ASH_CMDCMD bool "'command' command to override shell builtins" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help Enable support for the ash 'command' builtin, which allows you to run the specified command with the specified arguments, @@ -91,38 +178,10 @@ config BUSYBOX_ASH_CMDCMD config BUSYBOX_ASH_MAIL bool "Check for new mail on interactive shells" - default n - depends on BUSYBOX_ASH - help - Enable "check for new mail" function in the ash shell. - -config BUSYBOX_ASH_OPTIMIZE_FOR_SIZE - bool "Optimize for size instead of speed" - default y - depends on BUSYBOX_ASH - help - Compile ash for reduced size at the price of speed. - -config BUSYBOX_ASH_RANDOM_SUPPORT - bool "Pseudorandom generator and $RANDOM variable" default y - depends on BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH help - Enable pseudorandom generator and dynamic variable "$RANDOM". - Each read of "$RANDOM" will generate a new pseudorandom value. - You can reset the generator by using a specified start value. - After "unset RANDOM" the generator will switch off and this - variable will no longer have special treatment. - -config BUSYBOX_ASH_EXPAND_PRMT - bool "Expand prompt string" - default y - depends on BUSYBOX_ASH - help - "PS#" may contain volatile content, such as backquote commands. - This option recreates the prompt string from the environment - variable each time it is displayed. - + Enable "check for new mail" function in the ash shell. config BUSYBOX_CTTYHACK bool "cttyhack" default y @@ -183,7 +242,7 @@ config BUSYBOX_HUSH config BUSYBOX_HUSH_BASH_COMPAT bool "bash-compatible extensions" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable bash-compatible extensions. @@ -197,14 +256,14 @@ config BUSYBOX_HUSH_BRACE_EXPANSION config BUSYBOX_HUSH_HELP bool "help builtin" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable help builtin in hush. Code size + ~1 kbyte. config BUSYBOX_HUSH_INTERACTIVE bool "Interactive mode" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable interactive mode (prompt and command editing). Without this, hush simply reads and executes commands @@ -232,35 +291,35 @@ config BUSYBOX_HUSH_JOB config BUSYBOX_HUSH_TICK bool "Process substitution" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable process substitution `command` and $(command) in hush. config BUSYBOX_HUSH_IF bool "Support if/then/elif/else/fi" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable if/then/elif/else/fi in hush. config BUSYBOX_HUSH_LOOPS bool "Support for, while and until loops" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable for, while and until loops in hush. config BUSYBOX_HUSH_CASE bool "Support case ... esac statement" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable case ... esac statement in hush. +400 bytes. config BUSYBOX_HUSH_FUNCTIONS bool "Support funcname() { commands; } syntax" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable support for shell functions in hush. +800 bytes. @@ -274,7 +333,7 @@ config BUSYBOX_HUSH_LOCAL config BUSYBOX_HUSH_RANDOM_SUPPORT bool "Pseudorandom generator and $RANDOM variable" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable pseudorandom generator and dynamic variable "$RANDOM". Each read of "$RANDOM" will generate a new pseudorandom value. @@ -282,14 +341,14 @@ config BUSYBOX_HUSH_RANDOM_SUPPORT config BUSYBOX_HUSH_EXPORT_N bool "Support 'export -n' option" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help export -n unexports variables. It is a bash extension. config BUSYBOX_HUSH_MODE_X bool "Support 'hush -x' option and 'set -x' command" default y - depends on BUSYBOX_HUSH + depends on BUSYBOX_HUSH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help This instructs hush to print commands before execution. Adds ~300 bytes. @@ -302,72 +361,17 @@ config BUSYBOX_MSH msh is deprecated and will be removed, please migrate to hush. - -choice - prompt "Choose which shell is aliased to 'sh' name" - default BUSYBOX_FEATURE_SH_IS_ASH - help - Choose which shell you want to be executed by 'sh' alias. - The ash shell is the most bash compatible and full featured one. - -# note: cannot use "select ASH" here, it breaks "make allnoconfig" -config BUSYBOX_FEATURE_SH_IS_ASH - depends on BUSYBOX_ASH - bool "ash" - depends on !BUSYBOX_NOMMU - -config BUSYBOX_FEATURE_SH_IS_HUSH - depends on BUSYBOX_HUSH - bool "hush" - -config BUSYBOX_FEATURE_SH_IS_NONE - bool "none" - -endchoice - -choice - prompt "Choose which shell is aliased to 'bash' name" - default BUSYBOX_FEATURE_BASH_IS_NONE - help - Choose which shell you want to be executed by 'bash' alias. - The ash shell is the most bash compatible and full featured one. - - Note that selecting this option does not switch on any bash - compatibility code. It merely makes it possible to install - /bin/bash (sym)link and run scripts which start with - #!/bin/bash line. - - Many systems use it in scripts which use bash-specific features, - even simple ones like $RANDOM. Without this option, busybox - can't be used for running them because it won't recongnize - "bash" as a supported applet name. - -config BUSYBOX_FEATURE_BASH_IS_ASH - depends on BUSYBOX_ASH - bool "ash" - depends on !BUSYBOX_NOMMU - -config BUSYBOX_FEATURE_BASH_IS_HUSH - depends on BUSYBOX_HUSH - bool "hush" - -config BUSYBOX_FEATURE_BASH_IS_NONE - bool "none" - -endchoice - - -config BUSYBOX_SH_MATH_SUPPORT +config BUSYBOX_FEATURE_SH_MATH bool "POSIX math support" default y - depends on BUSYBOX_ASH || BUSYBOX_HUSH + depends on BUSYBOX_ASH || BUSYBOX_HUSH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Enable math support in the shell via $((...)) syntax. -config BUSYBOX_SH_MATH_SUPPORT_64 +config BUSYBOX_FEATURE_SH_MATH_64 bool "Extend POSIX math support to 64 bit" default y - depends on BUSYBOX_SH_MATH_SUPPORT + depends on BUSYBOX_FEATURE_SH_MATH help Enable 64-bit math support in the shell. This will make the shell slightly larger, but will allow computation with very large numbers. @@ -376,14 +380,14 @@ config BUSYBOX_SH_MATH_SUPPORT_64 config BUSYBOX_FEATURE_SH_EXTRA_QUIET bool "Hide message on interactive shell startup" default y - depends on BUSYBOX_HUSH || BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_HUSH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help Remove the busybox introduction when starting a shell. config BUSYBOX_FEATURE_SH_STANDALONE bool "Standalone shell" default n - depends on (BUSYBOX_HUSH || BUSYBOX_ASH) && BUSYBOX_FEATURE_PREFER_APPLETS + depends on BUSYBOX_ASH || BUSYBOX_HUSH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help This option causes busybox shells to use busybox applets in preference to executables in the PATH whenever possible. For @@ -416,7 +420,7 @@ config BUSYBOX_FEATURE_SH_STANDALONE config BUSYBOX_FEATURE_SH_NOFORK bool "Run 'nofork' applets directly" default n - depends on (BUSYBOX_HUSH || BUSYBOX_ASH) && BUSYBOX_FEATURE_PREFER_APPLETS + depends on BUSYBOX_ASH || BUSYBOX_HUSH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help This option causes busybox shells to not execute typical fork/exec/wait sequence, but call <applet>_main directly, @@ -434,7 +438,7 @@ config BUSYBOX_FEATURE_SH_NOFORK config BUSYBOX_FEATURE_SH_HISTFILESIZE bool "Use $HISTFILESIZE" default y - depends on BUSYBOX_HUSH || BUSYBOX_ASH + depends on BUSYBOX_ASH || BUSYBOX_HUSH || BUSYBOX_SH_IS_ASH || BUSYBOX_BASH_IS_ASH || BUSYBOX_SH_IS_HUSH || BUSYBOX_BASH_IS_HUSH help This option makes busybox shells to use $HISTFILESIZE variable to set shell history size. Note that its max value is capped |