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Diffstat (limited to 'package/utils/busybox/config/shell/Config.in')
| -rw-r--r-- | package/utils/busybox/config/shell/Config.in | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/package/utils/busybox/config/shell/Config.in b/package/utils/busybox/config/shell/Config.in new file mode 100644 index 0000000..69ecf14 --- /dev/null +++ b/package/utils/busybox/config/shell/Config.in @@ -0,0 +1,444 @@ +# DO NOT EDIT. This file is generated from Config.src +# +# For a description of the syntax of this configuration file, +# see scripts/kbuild/config-language.txt. +# + +menu "Shells" + +config BUSYBOX_CONFIG_ASH + bool "ash" + default BUSYBOX_DEFAULT_ASH + depends on !BUSYBOX_CONFIG_NOMMU + help + Tha 'ash' shell adds about 60k in the default configuration and is + the most complete and most pedantically correct shell included with + busybox. This shell is actually a derivative of the Debian 'dash' + shell (by Herbert Xu), which was created by porting the 'ash' shell + (written by Kenneth Almquist) from NetBSD. + +config BUSYBOX_CONFIG_ASH_BASH_COMPAT + bool "bash-compatible extensions" + default BUSYBOX_DEFAULT_ASH_BASH_COMPAT + depends on BUSYBOX_CONFIG_ASH + help + Enable bash-compatible extensions. + +config BUSYBOX_CONFIG_ASH_IDLE_TIMEOUT + bool "Idle timeout variable" + default BUSYBOX_DEFAULT_ASH_IDLE_TIMEOUT + depends on BUSYBOX_CONFIG_ASH + help + Enables bash-like auto-logout after $TMOUT seconds of idle time. + +config BUSYBOX_CONFIG_ASH_JOB_CONTROL + bool "Job control" + default BUSYBOX_DEFAULT_ASH_JOB_CONTROL + depends on BUSYBOX_CONFIG_ASH + help + Enable job control in the ash shell. + +config BUSYBOX_CONFIG_ASH_ALIAS + bool "Alias support" + default BUSYBOX_DEFAULT_ASH_ALIAS + depends on BUSYBOX_CONFIG_ASH + help + Enable alias support in the ash shell. + +config BUSYBOX_CONFIG_ASH_GETOPTS + bool "Builtin getopt to parse positional parameters" + default BUSYBOX_DEFAULT_ASH_GETOPTS + depends on BUSYBOX_CONFIG_ASH + help + Enable support for getopts builtin in ash. + +config BUSYBOX_CONFIG_ASH_BUILTIN_ECHO + bool "Builtin version of 'echo'" + default BUSYBOX_DEFAULT_ASH_BUILTIN_ECHO + depends on BUSYBOX_CONFIG_ASH + help + Enable support for echo builtin in ash. + +config BUSYBOX_CONFIG_ASH_BUILTIN_PRINTF + bool "Builtin version of 'printf'" + default BUSYBOX_DEFAULT_ASH_BUILTIN_PRINTF + depends on BUSYBOX_CONFIG_ASH + help + Enable support for printf builtin in ash. + +config BUSYBOX_CONFIG_ASH_BUILTIN_TEST + bool "Builtin version of 'test'" + default BUSYBOX_DEFAULT_ASH_BUILTIN_TEST + depends on BUSYBOX_CONFIG_ASH + help + Enable support for test builtin in ash. + +config BUSYBOX_CONFIG_ASH_HELP + bool "help builtin" + default BUSYBOX_DEFAULT_ASH_HELP + depends on BUSYBOX_CONFIG_ASH + help + Enable help builtin in ash. + +config BUSYBOX_CONFIG_ASH_CMDCMD + bool "'command' command to override shell builtins" + default BUSYBOX_DEFAULT_ASH_CMDCMD + depends on BUSYBOX_CONFIG_ASH + help + Enable support for the ash 'command' builtin, which allows + you to run the specified command with the specified arguments, + even when there is an ash builtin command with the same name. + +config BUSYBOX_CONFIG_ASH_MAIL + bool "Check for new mail on interactive shells" + default BUSYBOX_DEFAULT_ASH_MAIL + depends on BUSYBOX_CONFIG_ASH + help + Enable "check for new mail" function in the ash shell. + +config BUSYBOX_CONFIG_ASH_OPTIMIZE_FOR_SIZE + bool "Optimize for size instead of speed" + default BUSYBOX_DEFAULT_ASH_OPTIMIZE_FOR_SIZE + depends on BUSYBOX_CONFIG_ASH + help + Compile ash for reduced size at the price of speed. + +config BUSYBOX_CONFIG_ASH_RANDOM_SUPPORT + bool "Pseudorandom generator and $RANDOM variable" + default BUSYBOX_DEFAULT_ASH_RANDOM_SUPPORT + depends on BUSYBOX_CONFIG_ASH + help + Enable pseudorandom generator and dynamic variable "$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_CONFIG_ASH_EXPAND_PRMT + bool "Expand prompt string" + default BUSYBOX_DEFAULT_ASH_EXPAND_PRMT + depends on BUSYBOX_CONFIG_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_CONFIG_CTTYHACK + bool "cttyhack" + default BUSYBOX_DEFAULT_CTTYHACK + help + One common problem reported on the mailing list is the "can't + access tty; job control turned off" error message, which typically + appears when one tries to use a shell with stdin/stdout on + /dev/console. + This device is special - it cannot be a controlling tty. + + The proper solution is to use the correct device instead of + /dev/console. + + cttyhack provides a "quick and dirty" solution to this problem. + It analyzes stdin with various ioctls, trying to determine whether + it is a /dev/ttyN or /dev/ttySN (virtual terminal or serial line). + On Linux it also checks sysfs for a pointer to the active console. + If cttyhack is able to find the real console device, it closes + stdin/out/err and reopens that device. + Then it executes the given program. Opening the device will make + that device a controlling tty. This may require cttyhack + to be a session leader. + + Example for /etc/inittab (for busybox init): + + ::respawn:/bin/cttyhack /bin/sh + + Starting an interactive shell from boot shell script: + + setsid cttyhack sh + + Giving controlling tty to shell running with PID 1: + + # exec cttyhack sh + + Without cttyhack, you need to know exact tty name, + and do something like this: + + # exec setsid sh -c 'exec sh </dev/tty1 >/dev/tty1 2>&1' + + Starting getty on a controlling tty from a shell script: + + # getty 115200 $(cttyhack) +config BUSYBOX_CONFIG_HUSH + bool "hush" + default BUSYBOX_DEFAULT_HUSH + help + hush is a small shell (25k). It handles the normal flow control + constructs such as if/then/elif/else/fi, for/in/do/done, while loops, + case/esac. Redirections, here documents, $((arithmetic)) + and functions are supported. + + It will compile and work on no-mmu systems. + + It does not handle select, aliases, tilde expansion, + &>file and >&file redirection of stdout+stderr. + +config BUSYBOX_CONFIG_HUSH_BASH_COMPAT + bool "bash-compatible extensions" + default BUSYBOX_DEFAULT_HUSH_BASH_COMPAT + depends on BUSYBOX_CONFIG_HUSH + help + Enable bash-compatible extensions. + +config BUSYBOX_CONFIG_HUSH_BRACE_EXPANSION + bool "Brace expansion" + default BUSYBOX_DEFAULT_HUSH_BRACE_EXPANSION + depends on BUSYBOX_CONFIG_HUSH_BASH_COMPAT + help + Enable {abc,def} extension. + +config BUSYBOX_CONFIG_HUSH_HELP + bool "help builtin" + default BUSYBOX_DEFAULT_HUSH_HELP + depends on BUSYBOX_CONFIG_HUSH + help + Enable help builtin in hush. Code size + ~1 kbyte. + +config BUSYBOX_CONFIG_HUSH_INTERACTIVE + bool "Interactive mode" + default BUSYBOX_DEFAULT_HUSH_INTERACTIVE + depends on BUSYBOX_CONFIG_HUSH + help + Enable interactive mode (prompt and command editing). + Without this, hush simply reads and executes commands + from stdin just like a shell script from a file. + No prompt, no PS1/PS2 magic shell variables. + +config BUSYBOX_CONFIG_HUSH_SAVEHISTORY + bool "Save command history to .hush_history" + default BUSYBOX_DEFAULT_HUSH_SAVEHISTORY + depends on BUSYBOX_CONFIG_HUSH_INTERACTIVE && BUSYBOX_CONFIG_FEATURE_EDITING_SAVEHISTORY + help + Enable history saving in hush. + +config BUSYBOX_CONFIG_HUSH_JOB + bool "Job control" + default BUSYBOX_DEFAULT_HUSH_JOB + depends on BUSYBOX_CONFIG_HUSH_INTERACTIVE + help + Enable job control: Ctrl-Z backgrounds, Ctrl-C interrupts current + command (not entire shell), fg/bg builtins work. Without this option, + "cmd &" still works by simply spawning a process and immediately + prompting for next command (or executing next command in a script), + but no separate process group is formed. + +config BUSYBOX_CONFIG_HUSH_TICK + bool "Process substitution" + default BUSYBOX_DEFAULT_HUSH_TICK + depends on BUSYBOX_CONFIG_HUSH + help + Enable process substitution `command` and $(command) in hush. + +config BUSYBOX_CONFIG_HUSH_IF + bool "Support if/then/elif/else/fi" + default BUSYBOX_DEFAULT_HUSH_IF + depends on BUSYBOX_CONFIG_HUSH + help + Enable if/then/elif/else/fi in hush. + +config BUSYBOX_CONFIG_HUSH_LOOPS + bool "Support for, while and until loops" + default BUSYBOX_DEFAULT_HUSH_LOOPS + depends on BUSYBOX_CONFIG_HUSH + help + Enable for, while and until loops in hush. + +config BUSYBOX_CONFIG_HUSH_CASE + bool "Support case ... esac statement" + default BUSYBOX_DEFAULT_HUSH_CASE + depends on BUSYBOX_CONFIG_HUSH + help + Enable case ... esac statement in hush. +400 bytes. + +config BUSYBOX_CONFIG_HUSH_FUNCTIONS + bool "Support funcname() { commands; } syntax" + default BUSYBOX_DEFAULT_HUSH_FUNCTIONS + depends on BUSYBOX_CONFIG_HUSH + help + Enable support for shell functions in hush. +800 bytes. + +config BUSYBOX_CONFIG_HUSH_LOCAL + bool "Support local builtin" + default BUSYBOX_DEFAULT_HUSH_LOCAL + depends on BUSYBOX_CONFIG_HUSH_FUNCTIONS + help + Enable support for local variables in functions. + +config BUSYBOX_CONFIG_HUSH_RANDOM_SUPPORT + bool "Pseudorandom generator and $RANDOM variable" + default BUSYBOX_DEFAULT_HUSH_RANDOM_SUPPORT + depends on BUSYBOX_CONFIG_HUSH + help + Enable pseudorandom generator and dynamic variable "$RANDOM". + Each read of "$RANDOM" will generate a new pseudorandom value. + +config BUSYBOX_CONFIG_HUSH_EXPORT_N + bool "Support 'export -n' option" + default BUSYBOX_DEFAULT_HUSH_EXPORT_N + depends on BUSYBOX_CONFIG_HUSH + help + export -n unexports variables. It is a bash extension. + +config BUSYBOX_CONFIG_HUSH_MODE_X + bool "Support 'hush -x' option and 'set -x' command" + default BUSYBOX_DEFAULT_HUSH_MODE_X + depends on BUSYBOX_CONFIG_HUSH + help + This instructs hush to print commands before execution. + Adds ~300 bytes. + +config BUSYBOX_CONFIG_MSH + bool "msh (deprecated: aliased to hush)" + default BUSYBOX_DEFAULT_MSH + select BUSYBOX_CONFIG_HUSH + help + msh is deprecated and will be removed, please migrate to hush. + + + +choice + prompt "Choose which shell is aliased to 'sh' name" + default BUSYBOX_CONFIG_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_CONFIG_FEATURE_SH_IS_ASH + depends on BUSYBOX_CONFIG_ASH + bool "ash" + depends on !BUSYBOX_CONFIG_NOMMU + +config BUSYBOX_CONFIG_FEATURE_SH_IS_HUSH + depends on BUSYBOX_CONFIG_HUSH + bool "hush" + +config BUSYBOX_CONFIG_FEATURE_SH_IS_NONE + bool "none" + +endchoice + +choice + prompt "Choose which shell is aliased to 'bash' name" + default BUSYBOX_CONFIG_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_CONFIG_FEATURE_BASH_IS_ASH + depends on BUSYBOX_CONFIG_ASH + bool "ash" + depends on !BUSYBOX_CONFIG_NOMMU + +config BUSYBOX_CONFIG_FEATURE_BASH_IS_HUSH + depends on BUSYBOX_CONFIG_HUSH + bool "hush" + +config BUSYBOX_CONFIG_FEATURE_BASH_IS_NONE + bool "none" + +endchoice + + +config BUSYBOX_CONFIG_SH_MATH_SUPPORT + bool "POSIX math support" + default BUSYBOX_DEFAULT_SH_MATH_SUPPORT + depends on BUSYBOX_CONFIG_ASH || BUSYBOX_CONFIG_HUSH + help + Enable math support in the shell via $((...)) syntax. + +config BUSYBOX_CONFIG_SH_MATH_SUPPORT_64 + bool "Extend POSIX math support to 64 bit" + default BUSYBOX_DEFAULT_SH_MATH_SUPPORT_64 + depends on BUSYBOX_CONFIG_SH_MATH_SUPPORT + help + Enable 64-bit math support in the shell. This will make the shell + slightly larger, but will allow computation with very large numbers. + This is not in POSIX, so do not rely on this in portable code. + +config BUSYBOX_CONFIG_FEATURE_SH_EXTRA_QUIET + bool "Hide message on interactive shell startup" + default BUSYBOX_DEFAULT_FEATURE_SH_EXTRA_QUIET + depends on BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH + help + Remove the busybox introduction when starting a shell. + +config BUSYBOX_CONFIG_FEATURE_SH_STANDALONE + bool "Standalone shell" + default BUSYBOX_DEFAULT_FEATURE_SH_STANDALONE + depends on (BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH) && BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS + help + This option causes busybox shells to use busybox applets + in preference to executables in the PATH whenever possible. For + example, entering the command 'ifconfig' into the shell would cause + busybox to use the ifconfig busybox applet. Specifying the fully + qualified executable name, such as '/sbin/ifconfig' will still + execute the /sbin/ifconfig executable on the filesystem. This option + is generally used when creating a statically linked version of busybox + for use as a rescue shell, in the event that you screw up your system. + + This is implemented by re-execing /proc/self/exe (typically) + with right parameters. Some selected applets ("NOFORK" applets) + can even be executed without creating new process. + Instead, busybox will call <applet>_main() internally. + + However, this causes problems in chroot jails without mounted /proc + and with ps/top (command name can be shown as 'exe' for applets + started this way). +# untrue? +# Note that this will *also* cause applets to take precedence +# over shell builtins of the same name. So turning this on will +# eliminate any performance gained by turning on the builtin "echo" +# and "test" commands in ash. +# untrue? +# Note that when using this option, the shell will attempt to directly +# run '/bin/busybox'. If you do not have the busybox binary sitting in +# that exact location with that exact name, this option will not work at +# all. + +config BUSYBOX_CONFIG_FEATURE_SH_NOFORK + bool "Run 'nofork' applets directly" + default BUSYBOX_DEFAULT_FEATURE_SH_NOFORK + depends on (BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH) && BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS + help + This option causes busybox shells to not execute typical + fork/exec/wait sequence, but call <applet>_main directly, + if possible. (Sometimes it is not possible: for example, + this is not possible in pipes). + + This will be done only for some applets (those which are marked + NOFORK in include/applets.h). + + This may significantly speed up some shell scripts. + + This feature is relatively new. Use with care. Report bugs + to project mailing list. + +config BUSYBOX_CONFIG_FEATURE_SH_HISTFILESIZE + bool "Use $HISTFILESIZE" + default BUSYBOX_DEFAULT_FEATURE_SH_HISTFILESIZE + depends on BUSYBOX_CONFIG_HUSH || BUSYBOX_CONFIG_ASH + help + This option makes busybox shells to use $HISTFILESIZE variable + to set shell history size. Note that its max value is capped + by "History size" setting in library tuning section. + + +endmenu |