some GNU extensions in libc. You probably only need this option
if you plan to run busybox on desktop.
+config BUSYBOX_CONFIG_INCLUDE_SUSv2
+ bool "Enable obsolete features removed before SUSv3"
+ default y
+ help
+ This option will enable backwards compatibility with SuSv2,
+ specifically, old-style numeric options ('command -1 <file>')
+ will be supported in head, tail, and fold. (Note: should
+ affect renice too.)
+
+config BUSYBOX_CONFIG_USE_PORTABLE_CODE
+ bool "Avoid using GCC-specific code constructs"
+ default n
+ help
+ Use this option if you are trying to compile busybox with
+ compiler other than gcc.
+ If you do use gcc, this option may needlessly increase code size.
+
choice
prompt "Buffer allocation policy"
default BUSYBOX_CONFIG_FEATURE_BUFFERS_GO_ON_STACK
config BUSYBOX_CONFIG_FEATURE_VERBOSE_USAGE
bool "Show verbose applet usage messages"
default y
- select BUSYBOX_CONFIG_SHOW_USAGE
+ depends on BUSYBOX_CONFIG_SHOW_USAGE
help
All BusyBox applets will show more verbose help messages when
busybox is invoked with --help. This will add a lot of text to the
Enable this if your system has locale support and you would like
busybox to support locale settings.
-config BUSYBOX_CONFIG_FEATURE_ASSUME_UNICODE
+config BUSYBOX_CONFIG_UNICODE_SUPPORT
bool "Support Unicode"
default n
help
Probably by the time when busybox will be fully Unicode-clean,
other encodings will be mainly of historic interest.
+config BUSYBOX_CONFIG_UNICODE_USING_LOCALE
+ bool "Use libc routines for Unicode (else uses internal ones)"
+ default n
+ depends on BUSYBOX_CONFIG_UNICODE_SUPPORT && BUSYBOX_CONFIG_LOCALE_SUPPORT
+ help
+ With this option on, Unicode support is implemented using libc
+ routines. Otherwise, internal implementation is used.
+
config BUSYBOX_CONFIG_FEATURE_CHECK_UNICODE_IN_ENV
bool "Check $LANG environment variable"
default n
- depends on BUSYBOX_CONFIG_FEATURE_ASSUME_UNICODE && !BUSYBOX_CONFIG_LOCALE_SUPPORT
+ depends on BUSYBOX_CONFIG_UNICODE_SUPPORT && !BUSYBOX_CONFIG_UNICODE_USING_LOCALE
help
With this option on, Unicode support is activated
only if LANG variable has the value of the form "xxxx.utf8"
Otherwise, Unicode support will be always enabled and active.
+config BUSYBOX_CONFIG_SUBST_WCHAR
+ int "Character code to substitute unprintable characters with"
+ depends on BUSYBOX_CONFIG_UNICODE_SUPPORT
+ default 63
+ help
+ Typical values are 63 for '?' (works with any output device),
+ 30 for ASCII substitute control code,
+ 65533 (0xfffd) for Unicode replacement character.
+
+config BUSYBOX_CONFIG_LAST_SUPPORTED_WCHAR
+ int "Range of supported Unicode characters"
+ depends on BUSYBOX_CONFIG_UNICODE_SUPPORT
+ default 767
+ help
+ Any character with Unicode value bigger than this is assumed
+ to be non-printable on output device. Many applets replace
+ such chars with substitution character.
+
+ The idea is that many valid printable Unicode chars are
+ nevertheless are not displayed correctly. Think about
+ combining charachers, double-wide hieroglyphs, obscure
+ characters in dozens of ancient scripts...
+ Many terminals, terminal emulators, xterms etc will fail
+ to handle them correctly. Choose the smallest value
+ which suits your needs.
+
+ Typical values are:
+ 126 - ASCII only
+ 767 (0x2ff) - there are no combining chars in [0..767] range
+ (the range includes Latin 1, Latin Ext. A and B),
+ code is ~700 bytes smaller for this case.
+ 4351 (0x10ff) - there are no double-wide chars in [0..4351] range,
+ code is ~300 bytes smaller for this case.
+ 12799 (0x31ff) - nearly all non-ideographic characters are
+ available in [0..12799] range, including
+ East Asian scripts like katakana, hiragana, hangul,
+ bopomofo...
+ 0 - off, any valid printable Unicode character will be printed.
+
+config BUSYBOX_CONFIG_UNICODE_COMBINING_WCHARS
+ bool "Allow zero-width Unicode characters on output"
+ default n
+ depends on BUSYBOX_CONFIG_UNICODE_SUPPORT
+ help
+ With this option off, any Unicode char with width of 0
+ is substituted on output.
+
+config BUSYBOX_CONFIG_UNICODE_WIDE_WCHARS
+ bool "Allow wide Unicode characters on output"
+ default n
+ depends on BUSYBOX_CONFIG_UNICODE_SUPPORT
+ help
+ With this option off, any Unicode char with width > 1
+ is substituted on output.
+
+config BUSYBOX_CONFIG_UNICODE_BIDI_SUPPORT
+ bool "Bidirectional character-aware line input"
+ default n
+ depends on BUSYBOX_CONFIG_UNICODE_SUPPORT && !BUSYBOX_CONFIG_UNICODE_USING_LOCALE
+ help
+ With this option on, right-to-left Unicode characters
+ are treated differently on input (e.g. cursor movement).
+
+config BUSYBOX_CONFIG_UNICODE_NEUTRAL_TABLE
+ bool "In bidi input, support non-ASCII neutral chars too"
+ default n
+ depends on BUSYBOX_CONFIG_UNICODE_BIDI_SUPPORT
+ help
+ In most cases it's enough to treat only ASCII non-letters
+ (i.e. punctuation, numbers and space) as characters
+ with neutral directionality.
+ With this option on, more extensive (and bigger) table
+ of neutral chars will be used.
+
+config BUSYBOX_CONFIG_UNICODE_PRESERVE_BROKEN
+ bool "Make it possible to enter sequences of chars which are not Unicode"
+ default n
+ depends on BUSYBOX_CONFIG_UNICODE_SUPPORT
+ help
+ With this option on, invalid UTF-8 bytes are not substituted
+ with the selected substitution character.
+ For example, this means that entering 'l', 's', ' ', 0xff, [Enter]
+ at shell prompt will list file named 0xff (single char name
+ with char value 255), not file named '?'.
+
config BUSYBOX_CONFIG_LONG_OPTS
bool "Support for --long-options"
default y
Don't enable this unless you have a really good reason to clean
things up manually.
+config BUSYBOX_CONFIG_FEATURE_UTMP
+ bool "Support utmp file"
+ default n
+ help
+ The file /var/run/utmp is used to track who is currently logged in.
+ With this option on, certain applets (getty, login, telnetd etc)
+ will create and delete entries there.
+ "who" applet requires this option.
+
+config BUSYBOX_CONFIG_FEATURE_WTMP
+ bool "Support wtmp file"
+ default n
+ select BUSYBOX_CONFIG_FEATURE_UTMP
+ help
+ The file /var/run/wtmp is used to track when users have logged into
+ and logged out of the system.
+ With this option on, certain applets (getty, login, telnetd etc)
+ will append new entries there.
+ "last" applet requires this option.
+
config BUSYBOX_CONFIG_FEATURE_PIDFILE
bool "Support writing pidfiles"
default y
endchoice
-config BUSYBOX_CONFIG_INCLUDE_SUSv2
- bool "Enable obsolete features removed before SUSv3?"
- default y
- help
- This option will enable backwards compatibility with SuSv2,
- specifically, old-style numeric options ('command -1 <file>')
- will be supported in head, tail, and fold. (Note: should
- affect renice too.)
-
### config PARSE
-### bool "Uniform config file parser debugging applet: parse"
+### bool "Uniform config file parser debugging applet: parse"
endmenu