2002-12-05 14:11:41 +05:30
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#
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# For a description of the syntax of this configuration file,
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# see scripts/kbuild/config-language.txt.
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#
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mainmenu "BusyBox Configuration"
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2002-12-14 04:23:28 +05:30
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config HAVE_DOT_CONFIG
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bool
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default y
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2006-03-13 08:22:23 +05:30
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menu "Busybox Settings"
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2006-03-11 04:47:17 +05:30
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2002-12-06 02:55:20 +05:30
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menu "General Configuration"
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2006-10-05 15:47:08 +05:30
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config DESKTOP
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2006-11-17 18:17:50 +05:30
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bool "Enable options for full-blown desktop systems"
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2010-07-21 12:28:11 +05:30
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default y
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2006-10-01 21:25:11 +05:30
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help
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Enable options and features which are not essential.
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Select this only if you plan to use busybox on full-blown
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2006-11-17 18:17:50 +05:30
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desktop machine with common Linux distro, not on an embedded box.
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2006-10-01 21:25:11 +05:30
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2008-08-09 21:45:14 +05:30
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config EXTRA_COMPAT
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bool "Provide compatible behavior for rare corner cases (bigger code)"
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default n
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help
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This option makes grep, sed etc handle rare corner cases
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(embedded NUL bytes and such). This makes code bigger and uses
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some GNU extensions in libc. You probably only need this option
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if you plan to run busybox on desktop.
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2009-10-19 22:26:26 +05:30
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config INCLUDE_SUSv2
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bool "Enable obsolete features removed before SUSv3"
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default y
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help
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This option will enable backwards compatibility with SuSv2,
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specifically, old-style numeric options ('command -1 <file>')
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will be supported in head, tail, and fold. (Note: should
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affect renice too.)
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2009-09-13 18:27:24 +05:30
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config USE_PORTABLE_CODE
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bool "Avoid using GCC-specific code constructs"
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default n
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help
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Use this option if you are trying to compile busybox with
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compiler other than gcc.
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If you do use gcc, this option may needlessly increase code size.
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2010-07-19 04:14:56 +05:30
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config PLATFORM_LINUX
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bool "Enable Linux-specific applets and features"
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default y
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help
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For the most part, busybox requires only POSIX compatibility
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from the target system, but some applets and features use
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Linux-specific interfaces.
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Answering 'N' here will disable such applets and hide the
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corresponding configuration options.
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2002-12-05 14:11:41 +05:30
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choice
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prompt "Buffer allocation policy"
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2006-10-05 15:47:08 +05:30
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default FEATURE_BUFFERS_USE_MALLOC
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2002-12-05 14:11:41 +05:30
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help
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2002-12-06 02:42:42 +05:30
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There are 3 ways BusyBox can handle buffer allocations:
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- Use malloc. This costs code size for the call to xmalloc.
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- Put them on stack. For some very small machines with limited stack
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2008-07-22 23:57:53 +05:30
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space, this can be deadly. For most folks, this works just fine.
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2002-12-06 02:42:42 +05:30
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- Put them in BSS. This works beautifully for computers with a real
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MMU (and OS support), but wastes runtime RAM for uCLinux. This
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behavior was the only one available for BusyBox versions 0.48 and
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earlier.
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2002-12-05 14:11:41 +05:30
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2006-10-05 15:47:08 +05:30
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config FEATURE_BUFFERS_USE_MALLOC
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2002-12-05 14:11:41 +05:30
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bool "Allocate with Malloc"
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2006-10-05 15:47:08 +05:30
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config FEATURE_BUFFERS_GO_ON_STACK
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2002-12-05 14:11:41 +05:30
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bool "Allocate on the Stack"
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2006-10-05 15:47:08 +05:30
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config FEATURE_BUFFERS_GO_IN_BSS
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2002-12-05 14:11:41 +05:30
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bool "Allocate in the .bss section"
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endchoice
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2006-10-05 15:47:08 +05:30
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config SHOW_USAGE
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2011-11-10 00:53:38 +05:30
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bool "Show applet usage messages"
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2006-04-01 00:13:55 +05:30
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default y
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help
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2011-11-10 00:53:38 +05:30
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Enabling this option, BusyBox applets will show terse help messages
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when invoked with wrong arguments.
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If you do not want to show any (helpful) usage message when
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issuing wrong command syntax, you can say 'N' here,
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saving approximately 7k.
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2006-04-01 00:13:55 +05:30
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2006-10-05 15:47:08 +05:30
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config FEATURE_VERBOSE_USAGE
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2002-12-05 14:11:41 +05:30
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bool "Show verbose applet usage messages"
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2010-06-06 07:44:28 +05:30
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default y
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2010-06-06 02:41:07 +05:30
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depends on SHOW_USAGE
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2002-12-05 14:11:41 +05:30
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help
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2011-11-10 00:53:38 +05:30
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All BusyBox applets will show verbose help messages when
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2008-07-22 23:57:53 +05:30
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busybox is invoked with --help. This will add a lot of text to the
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busybox binary. In the default configuration, this will add about
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2002-12-06 02:42:42 +05:30
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13k, but it can add much more depending on your configuration.
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2002-12-05 14:11:41 +05:30
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2006-10-05 15:47:08 +05:30
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config FEATURE_COMPRESS_USAGE
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2006-04-28 05:04:46 +05:30
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bool "Store applet usage messages in compressed form"
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default y
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2006-10-05 15:47:08 +05:30
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depends on SHOW_USAGE
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2006-04-28 05:04:46 +05:30
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help
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2011-11-10 00:53:38 +05:30
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Store usage messages in .bz compressed form, uncompress them
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on-the-fly when <applet> --help is called.
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2006-04-28 05:04:46 +05:30
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2006-06-14 06:54:33 +05:30
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If you have a really tiny busybox with few applets enabled (and
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bunzip2 isn't one of them), the overhead of the decompressor might
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2008-07-22 23:57:53 +05:30
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be noticeable. Also, if you run executables directly from ROM
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and have very little memory, this might not be a win. Otherwise,
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2006-06-14 06:54:33 +05:30
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you probably want this.
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2006-10-05 15:47:08 +05:30
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config FEATURE_INSTALLER
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2002-12-05 14:11:41 +05:30
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bool "Support --install [-s] to install applet links at runtime"
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2010-06-06 07:44:28 +05:30
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default y
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2002-12-05 14:11:41 +05:30
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help
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2008-07-22 23:57:53 +05:30
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Enable 'busybox --install [-s]' support. This will allow you to use
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2002-12-06 02:42:42 +05:30
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busybox at runtime to create hard links or symlinks for all the
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2007-06-16 19:26:51 +05:30
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applets that are compiled into busybox.
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2002-12-05 14:11:41 +05:30
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2010-10-12 07:48:05 +05:30
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config INSTALL_NO_USR
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bool "Don't use /usr"
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default n
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help
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2010-12-06 03:41:15 +05:30
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Disable use of /usr. busybox --install and "make install"
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will install applets only to /bin and /sbin,
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never to /usr/bin or /usr/sbin.
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2010-10-12 07:48:05 +05:30
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2006-10-05 15:47:08 +05:30
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config LOCALE_SUPPORT
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2002-12-05 14:11:41 +05:30
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bool "Enable locale support (system needs locale for this to work)"
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default n
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help
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2003-10-22 15:28:56 +05:30
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Enable this if your system has locale support and you would like
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2002-12-06 02:42:42 +05:30
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busybox to support locale settings.
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2002-12-05 14:11:41 +05:30
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2010-03-26 18:36:56 +05:30
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config UNICODE_SUPPORT
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2009-07-12 01:06:13 +05:30
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bool "Support Unicode"
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2010-06-06 07:44:28 +05:30
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default y
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2009-07-12 01:06:13 +05:30
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help
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This makes various applets aware that one byte is not
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one character on screen.
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Busybox aims to eventually work correctly with Unicode displays.
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Any older encodings are not guaranteed to work.
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Probably by the time when busybox will be fully Unicode-clean,
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other encodings will be mainly of historic interest.
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2010-03-26 18:36:56 +05:30
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config UNICODE_USING_LOCALE
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bool "Use libc routines for Unicode (else uses internal ones)"
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default n
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depends on UNICODE_SUPPORT && LOCALE_SUPPORT
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help
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With this option on, Unicode support is implemented using libc
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routines. Otherwise, internal implementation is used.
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2010-07-14 12:03:20 +05:30
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Internal implementation is smaller.
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2010-03-26 18:36:56 +05:30
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2009-07-12 01:06:13 +05:30
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config FEATURE_CHECK_UNICODE_IN_ENV
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bool "Check $LANG environment variable"
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2010-06-06 07:44:28 +05:30
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default n
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2010-03-26 18:36:56 +05:30
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depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE
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2009-07-12 01:06:13 +05:30
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help
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With this option on, Unicode support is activated
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only if LANG variable has the value of the form "xxxx.utf8"
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Otherwise, Unicode support will be always enabled and active.
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2010-01-29 13:41:47 +05:30
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config SUBST_WCHAR
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int "Character code to substitute unprintable characters with"
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2010-03-26 18:36:56 +05:30
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depends on UNICODE_SUPPORT
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2010-01-29 13:41:47 +05:30
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default 63
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help
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Typical values are 63 for '?' (works with any output device),
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30 for ASCII substitute control code,
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65533 (0xfffd) for Unicode replacement character.
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config LAST_SUPPORTED_WCHAR
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int "Range of supported Unicode characters"
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2010-03-26 18:36:56 +05:30
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depends on UNICODE_SUPPORT
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2010-01-29 13:41:47 +05:30
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default 767
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help
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Any character with Unicode value bigger than this is assumed
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to be non-printable on output device. Many applets replace
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such chars with substitution character.
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The idea is that many valid printable Unicode chars are
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nevertheless are not displayed correctly. Think about
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2010-01-31 22:42:57 +05:30
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combining charachers, double-wide hieroglyphs, obscure
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characters in dozens of ancient scripts...
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Many terminals, terminal emulators, xterms etc will fail
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to handle them correctly. Choose the smallest value
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which suits your needs.
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2010-01-29 13:41:47 +05:30
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Typical values are:
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126 - ASCII only
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767 (0x2ff) - there are no combining chars in [0..767] range
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(the range includes Latin 1, Latin Ext. A and B),
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code is ~700 bytes smaller for this case.
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4351 (0x10ff) - there are no double-wide chars in [0..4351] range,
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code is ~300 bytes smaller for this case.
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2010-01-31 22:42:57 +05:30
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12799 (0x31ff) - nearly all non-ideographic characters are
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available in [0..12799] range, including
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East Asian scripts like katakana, hiragana, hangul,
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bopomofo...
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2010-01-29 13:41:47 +05:30
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0 - off, any valid printable Unicode character will be printed.
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config UNICODE_COMBINING_WCHARS
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bool "Allow zero-width Unicode characters on output"
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default n
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2010-03-26 18:36:56 +05:30
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depends on UNICODE_SUPPORT
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2010-01-29 13:41:47 +05:30
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help
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With this option off, any Unicode char with width of 0
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is substituted on output.
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config UNICODE_WIDE_WCHARS
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bool "Allow wide Unicode characters on output"
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default n
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2010-03-26 18:36:56 +05:30
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depends on UNICODE_SUPPORT
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2010-01-29 13:41:47 +05:30
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help
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With this option off, any Unicode char with width > 1
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is substituted on output.
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2010-03-18 23:05:37 +05:30
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config UNICODE_BIDI_SUPPORT
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bool "Bidirectional character-aware line input"
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2010-03-26 17:43:24 +05:30
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default n
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2010-03-26 18:36:56 +05:30
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depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE
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2010-03-18 23:05:37 +05:30
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help
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With this option on, right-to-left Unicode characters
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are treated differently on input (e.g. cursor movement).
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2010-03-26 17:43:24 +05:30
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config UNICODE_NEUTRAL_TABLE
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bool "In bidi input, support non-ASCII neutral chars too"
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default n
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depends on UNICODE_BIDI_SUPPORT
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help
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In most cases it's enough to treat only ASCII non-letters
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(i.e. punctuation, numbers and space) as characters
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with neutral directionality.
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With this option on, more extensive (and bigger) table
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of neutral chars will be used.
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2010-04-29 17:13:39 +05:30
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config UNICODE_PRESERVE_BROKEN
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bool "Make it possible to enter sequences of chars which are not Unicode"
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default n
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depends on UNICODE_SUPPORT
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help
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2011-05-14 18:53:55 +05:30
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With this option on, on line-editing input (such as used by shells)
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invalid UTF-8 bytes are not substituted with the selected
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substitution character.
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2010-04-29 17:13:39 +05:30
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For example, this means that entering 'l', 's', ' ', 0xff, [Enter]
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at shell prompt will list file named 0xff (single char name
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with char value 255), not file named '?'.
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2009-06-19 15:40:38 +05:30
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config LONG_OPTS
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2008-03-17 14:43:22 +05:30
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bool "Support for --long-options"
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2006-06-16 19:33:23 +05:30
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default y
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2006-11-29 16:39:43 +05:30
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help
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Enable this if you want busybox applets to use the gnu --long-option
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style, in addition to single character -a -b -c style options.
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2006-05-27 01:49:22 +05:30
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2006-10-05 15:47:08 +05:30
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config FEATURE_DEVPTS
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2002-12-05 14:11:41 +05:30
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bool "Use the devpts filesystem for Unix98 PTYs"
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2006-06-14 06:54:33 +05:30
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default y
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2002-12-05 14:11:41 +05:30
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help
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2002-12-06 02:42:42 +05:30
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Enable if you want BusyBox to use Unix98 PTY support. If enabled,
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busybox will use /dev/ptmx for the master side of the pseudoterminal
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2008-07-22 23:57:53 +05:30
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and /dev/pts/<number> for the slave side. Otherwise, BSD style
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2002-12-06 02:42:42 +05:30
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/dev/ttyp<number> will be used. To use this option, you should have
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2006-06-01 04:53:42 +05:30
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devpts mounted.
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2002-12-05 14:11:41 +05:30
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2006-10-05 15:47:08 +05:30
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config FEATURE_CLEAN_UP
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2002-12-05 14:11:41 +05:30
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bool "Clean up all memory before exiting (usually not needed)"
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default n
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help
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2006-02-09 00:20:17 +05:30
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As a size optimization, busybox normally exits without explicitly
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2008-07-22 23:57:53 +05:30
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freeing dynamically allocated memory or closing files. This saves
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2006-02-09 00:20:17 +05:30
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space since the OS will clean up for us, but it can confuse debuggers
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like valgrind, which report tons of memory and resource leaks.
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Don't enable this unless you have a really good reason to clean
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2003-07-15 01:07:08 +05:30
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things up manually.
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2002-12-05 14:11:41 +05:30
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2011-01-26 03:51:46 +05:30
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config FEATURE_UTMP
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bool "Support utmp file"
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default y
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help
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|
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.
|
|
|
|
|
2010-04-06 22:18:32 +05:30
|
|
|
config FEATURE_WTMP
|
|
|
|
bool "Support wtmp file"
|
2010-06-06 07:44:28 +05:30
|
|
|
default y
|
2011-01-26 03:51:46 +05:30
|
|
|
depends on FEATURE_UTMP
|
2010-04-06 22:18:32 +05:30
|
|
|
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.
|
2010-04-06 22:21:29 +05:30
|
|
|
"last" applet requires this option.
|
2010-04-06 22:18:32 +05:30
|
|
|
|
2007-03-28 03:31:31 +05:30
|
|
|
config FEATURE_PIDFILE
|
|
|
|
bool "Support writing pidfiles"
|
2010-06-06 07:44:28 +05:30
|
|
|
default y
|
2007-03-28 03:31:31 +05:30
|
|
|
help
|
2007-08-16 01:35:37 +05:30
|
|
|
This option makes some applets (e.g. crond, syslogd, inetd) write
|
2012-12-11 01:19:39 +05:30
|
|
|
a pidfile at the configured PID_FILE_PATH. It has no effect
|
|
|
|
on applets which require pidfiles to run.
|
|
|
|
|
|
|
|
config PID_FILE_PATH
|
|
|
|
string "Path to directory for pidfile"
|
|
|
|
default "/var/run"
|
|
|
|
depends on FEATURE_PIDFILE
|
|
|
|
help
|
|
|
|
This is the default path where pidfiles are created. Applets which
|
|
|
|
allow you to set the pidfile path on the command line will override
|
|
|
|
this value. The option has no effect on applets that require you to
|
|
|
|
specify a pidfile path.
|
2007-03-28 03:31:31 +05:30
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config FEATURE_SUID
|
2002-12-05 14:11:41 +05:30
|
|
|
bool "Support for SUID/SGID handling"
|
2010-06-06 07:44:28 +05:30
|
|
|
default y
|
2002-12-05 14:11:41 +05:30
|
|
|
help
|
2006-06-01 04:53:42 +05:30
|
|
|
With this option you can install the busybox binary belonging
|
2010-10-12 07:48:05 +05:30
|
|
|
to root with the suid bit set, enabling some applets to perform
|
|
|
|
root-level operations even when run by ordinary users
|
|
|
|
(for example, mounting of user mounts in fstab needs this).
|
|
|
|
|
|
|
|
Busybox will automatically drop priviledges for applets
|
|
|
|
that don't need root access.
|
2006-06-01 04:53:42 +05:30
|
|
|
|
2008-10-25 01:18:47 +05:30
|
|
|
If you are really paranoid and don't want to do this, build two
|
2006-06-01 04:53:42 +05:30
|
|
|
busybox binaries with different applets in them (and the appropriate
|
|
|
|
symlinks pointing to each binary), and only set the suid bit on the
|
2010-10-12 07:48:05 +05:30
|
|
|
one that needs it.
|
|
|
|
|
2011-01-18 18:22:48 +05:30
|
|
|
The applets which require root rights (need suid bit or
|
|
|
|
to be run by root) and will refuse to execute otherwise:
|
|
|
|
crontab, login, passwd, su, vlock, wall.
|
|
|
|
|
|
|
|
The applets which will use root rights if they have them
|
|
|
|
(via suid bit, or because run by root), but would try to work
|
|
|
|
without root right nevertheless:
|
|
|
|
findfs, ping[6], traceroute[6], mount.
|
|
|
|
|
|
|
|
Note that if you DONT select this option, but DO make busybox
|
|
|
|
suid root, ALL applets will run under root, which is a huge
|
|
|
|
security hole (think "cp /some/file /etc/passwd").
|
2002-12-05 14:11:41 +05:30
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config FEATURE_SUID_CONFIG
|
2002-12-05 14:11:41 +05:30
|
|
|
bool "Runtime SUID/SGID configuration via /etc/busybox.conf"
|
2011-05-14 18:53:55 +05:30
|
|
|
default y
|
2006-10-05 15:47:08 +05:30
|
|
|
depends on FEATURE_SUID
|
2002-12-05 14:11:41 +05:30
|
|
|
help
|
2006-06-01 04:53:42 +05:30
|
|
|
Allow the SUID / SGID state of an applet to be determined at runtime
|
2008-07-22 23:57:53 +05:30
|
|
|
by checking /etc/busybox.conf. (This is sort of a poor man's sudo.)
|
2006-06-01 04:53:42 +05:30
|
|
|
The format of this file is as follows:
|
2003-07-23 03:45:21 +05:30
|
|
|
|
2011-05-16 17:23:19 +05:30
|
|
|
APPLET = [Ssx-][Ssx-][x-] [USER.GROUP]
|
2011-05-16 16:49:25 +05:30
|
|
|
|
2011-05-16 17:23:19 +05:30
|
|
|
s: USER or GROUP is allowed to execute APPLET.
|
|
|
|
APPLET will run under USER or GROUP
|
|
|
|
(reagardless of who's running it).
|
|
|
|
S: USER or GROUP is NOT allowed to execute APPLET.
|
2011-05-16 16:49:25 +05:30
|
|
|
APPLET will run under USER or GROUP.
|
2011-05-16 17:23:19 +05:30
|
|
|
This option is not very sensical.
|
|
|
|
x: USER/GROUP/others are allowed to execute APPLET.
|
2011-05-16 16:49:25 +05:30
|
|
|
No UID/GID change will be done when it is run.
|
2011-05-16 17:23:19 +05:30
|
|
|
-: USER/GROUP/others are not allowed to execute APPLET.
|
2005-06-24 00:45:40 +05:30
|
|
|
|
2003-07-23 03:45:21 +05:30
|
|
|
An example might help:
|
|
|
|
|
|
|
|
[SUID]
|
2008-07-22 23:57:53 +05:30
|
|
|
su = ssx root.0 # applet su can be run by anyone and runs with
|
|
|
|
# euid=0/egid=0
|
2003-07-23 03:45:21 +05:30
|
|
|
su = ssx # exactly the same
|
|
|
|
|
2008-07-22 23:57:53 +05:30
|
|
|
mount = sx- root.disk # applet mount can be run by root and members
|
2011-05-16 17:23:19 +05:30
|
|
|
# of group disk (but not anyone else)
|
|
|
|
# and runs with euid=0 (egid is not changed)
|
2003-07-23 03:45:21 +05:30
|
|
|
|
|
|
|
cp = --- # disable applet cp for everyone
|
|
|
|
|
2005-04-30 01:18:29 +05:30
|
|
|
The file has to be owned by user root, group root and has to be
|
|
|
|
writeable only by root:
|
2007-11-04 21:13:26 +05:30
|
|
|
(chown 0.0 /etc/busybox.conf; chmod 600 /etc/busybox.conf)
|
2005-04-30 01:18:29 +05:30
|
|
|
The busybox executable has to be owned by user root, group
|
|
|
|
root and has to be setuid root for this to work:
|
2007-11-04 21:13:26 +05:30
|
|
|
(chown 0.0 /bin/busybox; chmod 4755 /bin/busybox)
|
2005-04-30 01:18:29 +05:30
|
|
|
|
2003-07-23 03:45:21 +05:30
|
|
|
Robert 'sandman' Griebl has more information here:
|
|
|
|
<url: http://www.softforge.de/bb/suid.html >.
|
2002-12-05 14:11:41 +05:30
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config FEATURE_SUID_CONFIG_QUIET
|
2002-12-05 14:11:41 +05:30
|
|
|
bool "Suppress warning message if /etc/busybox.conf is not readable"
|
2006-06-01 04:53:42 +05:30
|
|
|
default y
|
2006-10-05 15:47:08 +05:30
|
|
|
depends on FEATURE_SUID_CONFIG
|
2002-12-05 14:11:41 +05:30
|
|
|
help
|
2008-07-22 23:57:53 +05:30
|
|
|
/etc/busybox.conf should be readable by the user needing the SUID,
|
|
|
|
check this option to avoid users to be notified about missing
|
|
|
|
permissions.
|
2002-12-05 14:11:41 +05:30
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config SELINUX
|
2003-07-03 15:37:04 +05:30
|
|
|
bool "Support NSA Security Enhanced Linux"
|
|
|
|
default n
|
2011-02-27 02:54:08 +05:30
|
|
|
select PLATFORM_LINUX
|
2003-07-03 15:37:04 +05:30
|
|
|
help
|
2008-07-22 23:57:53 +05:30
|
|
|
Enable support for SELinux in applets ls, ps, and id. Also provide
|
2006-03-29 21:05:23 +05:30
|
|
|
the option of compiling in SELinux applets.
|
2003-07-03 15:37:04 +05:30
|
|
|
|
2006-03-29 21:05:23 +05:30
|
|
|
If you do not have a complete SELinux userland installed, this stuff
|
|
|
|
will not compile. Go visit
|
2004-02-05 05:48:26 +05:30
|
|
|
http://www.nsa.gov/selinux/index.html
|
2006-03-29 21:05:23 +05:30
|
|
|
to download the necessary stuff to allow busybox to compile with
|
|
|
|
this option enabled. Specifially, libselinux 1.28 or better is
|
|
|
|
directly required by busybox. If the installation is located in a
|
|
|
|
non-standard directory, provide it by invoking make as follows:
|
|
|
|
CFLAGS=-I<libselinux-include-path> \
|
|
|
|
LDFLAGS=-L<libselinux-lib-path> \
|
|
|
|
make
|
2004-02-05 05:48:26 +05:30
|
|
|
|
|
|
|
Most people will leave this set to 'N'.
|
|
|
|
|
2007-04-11 04:33:30 +05:30
|
|
|
config FEATURE_PREFER_APPLETS
|
2007-01-21 06:11:04 +05:30
|
|
|
bool "exec prefers applets"
|
|
|
|
default n
|
|
|
|
help
|
|
|
|
This is an experimental option which directs applets about to
|
|
|
|
call 'exec' to try and find an applicable busybox applet before
|
2007-05-08 22:57:17 +05:30
|
|
|
searching the PATH. This is typically done by exec'ing
|
|
|
|
/proc/self/exe.
|
|
|
|
This may affect shell, find -exec, xargs and similar applets.
|
|
|
|
They will use applets even if /bin/<applet> -> busybox link
|
|
|
|
is missing (or is not a link to busybox). 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).
|
2007-01-21 06:11:04 +05:30
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config BUSYBOX_EXEC_PATH
|
2006-06-14 06:54:33 +05:30
|
|
|
string "Path to BusyBox executable"
|
|
|
|
default "/proc/self/exe"
|
|
|
|
help
|
|
|
|
When Busybox applets need to run other busybox applets, BusyBox
|
2008-07-22 23:57:53 +05:30
|
|
|
sometimes needs to exec() itself. When the /proc filesystem is
|
2006-06-14 06:54:33 +05:30
|
|
|
mounted, /proc/self/exe always points to the currently running
|
2008-07-22 23:57:53 +05:30
|
|
|
executable. If you haven't got /proc, set this to wherever you
|
2006-06-14 06:54:33 +05:30
|
|
|
want to run BusyBox from.
|
|
|
|
|
2007-06-16 19:26:51 +05:30
|
|
|
# These are auto-selected by other options
|
|
|
|
|
|
|
|
config FEATURE_SYSLOG
|
2008-11-06 06:19:59 +05:30
|
|
|
bool #No description makes it a hidden option
|
2007-06-16 19:26:51 +05:30
|
|
|
default n
|
2008-11-06 06:19:59 +05:30
|
|
|
#help
|
|
|
|
# This option is auto-selected when you select any applet which may
|
|
|
|
# send its output to syslog. You do not need to select it manually.
|
2007-06-16 19:26:51 +05:30
|
|
|
|
|
|
|
config FEATURE_HAVE_RPC
|
2008-11-06 06:19:59 +05:30
|
|
|
bool #No description makes it a hidden option
|
2007-06-16 19:26:51 +05:30
|
|
|
default n
|
2008-11-06 06:19:59 +05:30
|
|
|
#help
|
|
|
|
# This is automatically selected if any of enabled applets need it.
|
|
|
|
# You do not need to select it manually.
|
2007-06-16 19:26:51 +05:30
|
|
|
|
2002-12-05 14:11:41 +05:30
|
|
|
endmenu
|
|
|
|
|
|
|
|
menu 'Build Options'
|
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config STATIC
|
2002-12-05 14:11:41 +05:30
|
|
|
bool "Build BusyBox as a static binary (no shared libs)"
|
|
|
|
default n
|
|
|
|
help
|
2004-03-15 13:59:22 +05:30
|
|
|
If you want to build a static BusyBox binary, which does not
|
|
|
|
use or require any shared libraries, then enable this option.
|
2003-10-22 15:28:56 +05:30
|
|
|
This can cause BusyBox to be considerably larger, so you should
|
2003-07-23 03:45:21 +05:30
|
|
|
leave this option false unless you have a good reason (i.e.
|
|
|
|
your target platform does not support shared libraries, or
|
|
|
|
you are building an initrd which doesn't need anything but
|
|
|
|
BusyBox, etc).
|
2002-12-05 14:11:41 +05:30
|
|
|
|
2003-07-23 03:45:21 +05:30
|
|
|
Most people will leave this set to 'N'.
|
|
|
|
|
2008-06-04 16:58:24 +05:30
|
|
|
config PIE
|
|
|
|
bool "Build BusyBox as a position independent executable"
|
|
|
|
default n
|
|
|
|
depends on !STATIC
|
|
|
|
help
|
2011-02-14 03:24:37 +05:30
|
|
|
Hardened code option. PIE binaries are loaded at a different
|
|
|
|
address at each invocation. This has some overhead,
|
|
|
|
particularly on x86-32 which is short on registers.
|
|
|
|
|
2008-06-04 16:58:24 +05:30
|
|
|
Most people will leave this set to 'N'.
|
|
|
|
|
2008-01-09 02:02:12 +05:30
|
|
|
config NOMMU
|
|
|
|
bool "Force NOMMU build"
|
|
|
|
default n
|
|
|
|
help
|
|
|
|
Busybox tries to detect whether architecture it is being
|
|
|
|
built against supports MMU or not. If this detection fails,
|
|
|
|
or if you want to build NOMMU version of busybox for testing,
|
|
|
|
you may force NOMMU build here.
|
|
|
|
|
|
|
|
Most people will leave this set to 'N'.
|
|
|
|
|
2008-06-24 04:01:52 +05:30
|
|
|
# PIE can be made to work with BUILD_LIBBUSYBOX, but currently
|
|
|
|
# build system does not support that
|
2006-10-05 15:47:08 +05:30
|
|
|
config BUILD_LIBBUSYBOX
|
2006-01-24 21:44:14 +05:30
|
|
|
bool "Build shared libbusybox"
|
2006-06-14 06:54:33 +05:30
|
|
|
default n
|
2008-07-10 02:54:18 +05:30
|
|
|
depends on !FEATURE_PREFER_APPLETS && !PIE && !STATIC
|
2006-01-24 21:44:14 +05:30
|
|
|
help
|
2007-10-08 02:16:34 +05:30
|
|
|
Build a shared library libbusybox.so.N.N.N which contains all
|
|
|
|
busybox code.
|
2006-01-24 21:44:14 +05:30
|
|
|
|
2007-10-08 02:16:34 +05:30
|
|
|
This feature allows every applet to be built as a tiny
|
2008-07-22 23:57:53 +05:30
|
|
|
separate executable. Enabling it for "one big busybox binary"
|
2007-10-08 02:16:34 +05:30
|
|
|
approach serves no purpose and increases code size.
|
|
|
|
You should almost certainly say "no" to this.
|
2006-06-15 20:34:53 +05:30
|
|
|
|
2007-10-07 22:36:01 +05:30
|
|
|
### config FEATURE_FULL_LIBBUSYBOX
|
|
|
|
### bool "Feature-complete libbusybox"
|
|
|
|
### default n if !FEATURE_SHARED_BUSYBOX
|
|
|
|
### depends on BUILD_LIBBUSYBOX
|
|
|
|
### help
|
|
|
|
### Build a libbusybox with the complete feature-set, disregarding
|
|
|
|
### the actually selected config.
|
|
|
|
###
|
|
|
|
### Normally, libbusybox will only contain the features which are
|
|
|
|
### used by busybox itself. If you plan to write a separate
|
|
|
|
### standalone application which uses libbusybox say 'Y'.
|
|
|
|
###
|
|
|
|
### Note: libbusybox is GPL, not LGPL, and exports no stable API that
|
2008-07-22 23:57:53 +05:30
|
|
|
### might act as a copyright barrier. We can and will modify the
|
2007-10-07 22:36:01 +05:30
|
|
|
### exported function set between releases (even minor version number
|
|
|
|
### changes), and happily break out-of-tree features.
|
|
|
|
###
|
|
|
|
### Say 'N' if in doubt.
|
2006-01-24 21:44:14 +05:30
|
|
|
|
2007-10-07 22:36:26 +05:30
|
|
|
config FEATURE_INDIVIDUAL
|
|
|
|
bool "Produce a binary for each applet, linked against libbusybox"
|
|
|
|
default y
|
2008-07-10 02:54:18 +05:30
|
|
|
depends on BUILD_LIBBUSYBOX
|
2007-10-07 22:36:26 +05:30
|
|
|
help
|
|
|
|
If your CPU architecture doesn't allow for sharing text/rodata
|
|
|
|
sections of running binaries, but allows for runtime dynamic
|
|
|
|
libraries, this option will allow you to reduce memory footprint
|
|
|
|
when you have many different applets running at once.
|
|
|
|
|
|
|
|
If your CPU architecture allows for sharing text/rodata,
|
|
|
|
having single binary is more optimal.
|
|
|
|
|
|
|
|
Each applet will be a tiny program, dynamically linked
|
|
|
|
against libbusybox.so.N.N.N.
|
|
|
|
|
|
|
|
You need to have a working dynamic linker.
|
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config FEATURE_SHARED_BUSYBOX
|
2007-10-07 22:36:01 +05:30
|
|
|
bool "Produce additional busybox binary linked against libbusybox"
|
2007-10-07 22:36:26 +05:30
|
|
|
default y
|
2008-07-10 02:54:18 +05:30
|
|
|
depends on BUILD_LIBBUSYBOX
|
2006-01-24 21:44:14 +05:30
|
|
|
help
|
2007-10-07 22:36:26 +05:30
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Build busybox, dynamically linked against libbusybox.so.N.N.N.
|
2006-01-24 21:44:14 +05:30
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2007-10-07 22:36:26 +05:30
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You need to have a working dynamic linker.
|
2002-12-05 14:11:41 +05:30
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2007-10-07 22:36:01 +05:30
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### config BUILD_AT_ONCE
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### bool "Compile all sources at once"
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### default n
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### help
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|
### Normally each source-file is compiled with one invocation of
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### the compiler.
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### If you set this option, all sources are compiled at once.
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### This gives the compiler more opportunities to optimize which can
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### result in smaller and/or faster binaries.
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###
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### Setting this option will consume alot of memory, e.g. if you
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### enable all applets with all features, gcc uses more than 300MB
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### RAM during compilation of busybox.
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###
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### This option is most likely only beneficial for newer compilers
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### such as gcc-4.1 and above.
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###
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### Say 'N' unless you know what you are doing.
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2006-01-24 21:44:14 +05:30
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2007-10-07 22:36:26 +05:30
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config LFS
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bool "Build with Large File Support (for accessing files > 2 GB)"
|
2010-06-06 07:44:28 +05:30
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default y
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2007-10-07 22:36:26 +05:30
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help
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If you want to build BusyBox with large file support, then enable
|
2008-07-22 23:57:53 +05:30
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this option. This will have no effect if your kernel or your C
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library lacks large file support for large files. Some of the
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2007-10-07 22:36:26 +05:30
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programs that can benefit from large file support include dd, gzip,
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2008-07-22 23:57:53 +05:30
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cp, mount, tar, and many others. If you want to access files larger
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than 2 Gigabytes, enable this option. Otherwise, leave it set to 'N'.
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2007-10-07 22:36:26 +05:30
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2008-06-02 10:21:29 +05:30
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config CROSS_COMPILER_PREFIX
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string "Cross Compiler prefix"
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default ""
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help
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If you want to build BusyBox with a cross compiler, then you
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will need to set this to the cross-compiler prefix, for example,
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2008-08-22 13:55:26 +05:30
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"i386-uclibc-".
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Note that CROSS_COMPILE environment variable or
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"make CROSS_COMPILE=xxx ..." will override this selection.
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Native builds leave this empty.
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2008-06-02 10:21:29 +05:30
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2012-03-07 16:55:53 +05:30
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config SYSROOT
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string "Path to sysroot"
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default ""
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help
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If you want to build BusyBox with a cross compiler, then you
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might also need to specify where /usr/include and /usr/lib
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will be found.
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For example, BusyBox can be built against an installed
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Android NDK, platform version 9, for ARM ABI with
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CONFIG_SYSROOT=/opt/android-ndk/platforms/android-9/arch-arm
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Native builds leave this empty.
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2009-01-22 18:57:14 +05:30
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config EXTRA_CFLAGS
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string "Additional CFLAGS"
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default ""
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help
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Additional CFLAGS to pass to the compiler verbatim.
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|
2012-03-07 16:55:53 +05:30
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config EXTRA_LDFLAGS
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string "Additional LDFLAGS"
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default ""
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help
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Additional LDFLAGS to pass to the linker verbatim.
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config EXTRA_LDLIBS
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string "Additional LDLIBS"
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default ""
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help
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|
Additional LDLIBS to pass to the linker with -l.
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|
2002-12-05 14:11:41 +05:30
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endmenu
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menu 'Debugging Options'
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|
2006-10-05 15:47:08 +05:30
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config DEBUG
|
2006-05-10 03:38:56 +05:30
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|
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bool "Build BusyBox with extra Debugging symbols"
|
2002-12-05 14:11:41 +05:30
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default n
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help
|
2006-05-10 03:38:56 +05:30
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|
|
Say Y here if you wish to examine BusyBox internals while applets are
|
2008-07-22 23:57:53 +05:30
|
|
|
running. This increases the size of the binary considerably, and
|
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|
|
should only be used when doing development. If you are doing
|
2006-05-10 03:38:56 +05:30
|
|
|
development and want to debug BusyBox, answer Y.
|
2002-12-05 14:11:41 +05:30
|
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|
|
2004-05-25 17:00:22 +05:30
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|
Most people should answer N.
|
2002-12-05 14:11:41 +05:30
|
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|
2008-06-13 01:53:03 +05:30
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|
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config DEBUG_PESSIMIZE
|
2008-07-17 05:15:11 +05:30
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|
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bool "Disable compiler optimizations"
|
2008-06-13 01:53:03 +05:30
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|
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default n
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|
|
depends on DEBUG
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help
|
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|
|
The compiler's optimization of source code can eliminate and reorder
|
|
|
|
code, resulting in an executable that's hard to understand when
|
2008-07-22 23:57:53 +05:30
|
|
|
stepping through it with a debugger. This switches it off, resulting
|
2008-06-13 01:53:03 +05:30
|
|
|
in a much bigger executable that more closely matches the source
|
|
|
|
code.
|
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|
|
|
2007-01-27 19:14:53 +05:30
|
|
|
config WERROR
|
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|
|
bool "Abort compilation on any warning"
|
2006-05-10 03:38:56 +05:30
|
|
|
default n
|
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|
|
help
|
2007-01-27 19:14:53 +05:30
|
|
|
Selecting this will add -Werror to gcc command line.
|
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|
|
Most people should answer N.
|
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|
|
2004-05-25 17:00:22 +05:30
|
|
|
choice
|
|
|
|
prompt "Additional debugging library"
|
2006-10-05 15:47:08 +05:30
|
|
|
default NO_DEBUG_LIB
|
2002-12-05 14:11:41 +05:30
|
|
|
help
|
2004-05-25 17:00:22 +05:30
|
|
|
Using an additional debugging library will make BusyBox become
|
2008-07-22 23:57:53 +05:30
|
|
|
considerable larger and will cause it to run more slowly. You
|
2004-05-25 17:00:22 +05:30
|
|
|
should always leave this option disabled for production use.
|
|
|
|
|
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|
|
dmalloc support:
|
|
|
|
----------------
|
2002-12-05 14:11:41 +05:30
|
|
|
This enables compiling with dmalloc ( http://dmalloc.com/ )
|
|
|
|
which is an excellent public domain mem leak and malloc problem
|
2008-07-22 23:57:53 +05:30
|
|
|
detector. To enable dmalloc, before running busybox you will
|
2002-12-05 14:11:41 +05:30
|
|
|
want to properly set your environment, for example:
|
|
|
|
export DMALLOC_OPTIONS=debug=0x34f47d83,inter=100,log=logfile
|
|
|
|
The 'debug=' value is generated using the following command
|
2008-07-22 23:57:53 +05:30
|
|
|
dmalloc -p log-stats -p log-non-free -p log-bad-space \
|
|
|
|
-p log-elapsed-time -p check-fence -p check-heap \
|
|
|
|
-p check-lists -p check-blank -p check-funcs -p realloc-copy \
|
|
|
|
-p allow-free-null
|
2002-12-05 14:11:41 +05:30
|
|
|
|
2004-05-25 17:00:22 +05:30
|
|
|
Electric-fence support:
|
|
|
|
-----------------------
|
2008-07-22 23:57:53 +05:30
|
|
|
This enables compiling with Electric-fence support. Electric
|
2003-10-22 15:28:56 +05:30
|
|
|
fence is another very useful malloc debugging library which uses
|
2004-03-15 13:59:22 +05:30
|
|
|
your computer's virtual memory hardware to detect illegal memory
|
2008-07-22 23:57:53 +05:30
|
|
|
accesses. This support will make BusyBox be considerable larger
|
2004-03-15 13:59:22 +05:30
|
|
|
and run slower, so you should leave this option disabled unless
|
2002-12-05 14:11:41 +05:30
|
|
|
you are hunting a hard to find memory problem.
|
|
|
|
|
2004-05-25 17:00:22 +05:30
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config NO_DEBUG_LIB
|
2004-05-25 17:00:22 +05:30
|
|
|
bool "None"
|
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config DMALLOC
|
2004-05-25 17:00:22 +05:30
|
|
|
bool "Dmalloc"
|
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config EFENCE
|
2004-05-25 17:00:22 +05:30
|
|
|
bool "Electric-fence"
|
|
|
|
|
|
|
|
endchoice
|
|
|
|
|
2002-12-05 14:11:41 +05:30
|
|
|
endmenu
|
2006-03-11 04:47:17 +05:30
|
|
|
|
2010-10-12 07:48:05 +05:30
|
|
|
menu 'Installation Options ("make install" behavior)'
|
2006-03-11 04:47:17 +05:30
|
|
|
|
|
|
|
choice
|
2010-10-12 07:48:05 +05:30
|
|
|
prompt "What kind of applet links to install"
|
2007-01-24 13:54:43 +05:30
|
|
|
default INSTALL_APPLET_SYMLINKS
|
|
|
|
help
|
2010-10-12 07:48:05 +05:30
|
|
|
Choose what kind of links to applets are created by "make install".
|
2006-03-11 04:47:17 +05:30
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config INSTALL_APPLET_SYMLINKS
|
2007-01-24 13:54:43 +05:30
|
|
|
bool "as soft-links"
|
|
|
|
help
|
|
|
|
Install applets as soft-links to the busybox binary. This needs some
|
|
|
|
free inodes on the filesystem, but might help with filesystem
|
|
|
|
generators that can't cope with hard-links.
|
2006-03-11 04:47:17 +05:30
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config INSTALL_APPLET_HARDLINKS
|
2007-01-24 13:54:43 +05:30
|
|
|
bool "as hard-links"
|
|
|
|
help
|
2008-07-22 23:57:53 +05:30
|
|
|
Install applets as hard-links to the busybox binary. This might
|
|
|
|
count on a filesystem with few inodes.
|
2006-03-11 04:47:17 +05:30
|
|
|
|
2007-08-25 23:55:24 +05:30
|
|
|
config INSTALL_APPLET_SCRIPT_WRAPPERS
|
|
|
|
bool "as script wrappers"
|
|
|
|
help
|
|
|
|
Install applets as script wrappers that call the busybox binary.
|
|
|
|
|
2006-10-05 15:47:08 +05:30
|
|
|
config INSTALL_APPLET_DONT
|
2007-01-24 15:02:42 +05:30
|
|
|
bool "not installed"
|
2007-01-24 13:54:43 +05:30
|
|
|
help
|
2010-10-12 07:48:05 +05:30
|
|
|
Do not install applet links. Useful when you plan to use
|
|
|
|
busybox --install for installing links, or plan to use
|
|
|
|
a standalone shell and thus don't need applet links.
|
2006-03-11 04:47:17 +05:30
|
|
|
|
|
|
|
endchoice
|
|
|
|
|
2007-08-25 23:55:24 +05:30
|
|
|
choice
|
|
|
|
prompt "/bin/sh applet link"
|
|
|
|
default INSTALL_SH_APPLET_SYMLINK
|
|
|
|
depends on INSTALL_APPLET_SCRIPT_WRAPPERS
|
|
|
|
help
|
|
|
|
Choose how you install /bin/sh applet link.
|
|
|
|
|
|
|
|
config INSTALL_SH_APPLET_SYMLINK
|
|
|
|
bool "as soft-link"
|
|
|
|
help
|
|
|
|
Install /bin/sh applet as soft-link to the busybox binary.
|
|
|
|
|
|
|
|
config INSTALL_SH_APPLET_HARDLINK
|
|
|
|
bool "as hard-link"
|
|
|
|
help
|
|
|
|
Install /bin/sh applet as hard-link to the busybox binary.
|
|
|
|
|
|
|
|
config INSTALL_SH_APPLET_SCRIPT_WRAPPER
|
|
|
|
bool "as script wrapper"
|
|
|
|
help
|
2010-10-12 07:48:05 +05:30
|
|
|
Install /bin/sh applet as script wrapper that calls
|
|
|
|
the busybox binary.
|
2007-08-25 23:55:24 +05:30
|
|
|
|
|
|
|
endchoice
|
|
|
|
|
2006-03-11 04:47:17 +05:30
|
|
|
config PREFIX
|
|
|
|
string "BusyBox installation prefix"
|
|
|
|
default "./_install"
|
|
|
|
help
|
|
|
|
Define your directory to install BusyBox files/subdirs in.
|
|
|
|
|
|
|
|
endmenu
|
|
|
|
|
|
|
|
source libbb/Config.in
|
|
|
|
|
2006-03-13 08:22:23 +05:30
|
|
|
endmenu
|
|
|
|
|
2006-03-11 04:47:17 +05:30
|
|
|
comment "Applets"
|
|
|
|
|
|
|
|
source archival/Config.in
|
|
|
|
source coreutils/Config.in
|
|
|
|
source console-tools/Config.in
|
|
|
|
source debianutils/Config.in
|
|
|
|
source editors/Config.in
|
|
|
|
source findutils/Config.in
|
|
|
|
source init/Config.in
|
|
|
|
source loginutils/Config.in
|
|
|
|
source e2fsprogs/Config.in
|
|
|
|
source modutils/Config.in
|
|
|
|
source util-linux/Config.in
|
|
|
|
source miscutils/Config.in
|
|
|
|
source networking/Config.in
|
2008-10-25 01:18:47 +05:30
|
|
|
source printutils/Config.in
|
2008-11-07 05:11:38 +05:30
|
|
|
source mailutils/Config.in
|
2006-03-11 04:47:17 +05:30
|
|
|
source procps/Config.in
|
2006-10-03 21:27:40 +05:30
|
|
|
source runit/Config.in
|
2007-02-07 00:58:50 +05:30
|
|
|
source selinux/Config.in
|
2008-10-25 01:18:47 +05:30
|
|
|
source shell/Config.in
|
|
|
|
source sysklogd/Config.in
|