Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 1 | # |
| 2 | # For a description of the syntax of this configuration file, |
| 3 | # see scripts/kbuild/config-language.txt. |
| 4 | # |
| 5 | |
| 6 | mainmenu "BusyBox Configuration" |
| 7 | |
Eric Andersen | 068b6b0 | 2002-12-13 22:53:28 +0000 | [diff] [blame] | 8 | config HAVE_DOT_CONFIG |
| 9 | bool |
| 10 | default y |
| 11 | |
Rob Landley | 9dc6913 | 2006-03-13 02:52:23 +0000 | [diff] [blame] | 12 | menu "Busybox Settings" |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 13 | |
Eric Andersen | 23b5146 | 2002-12-05 21:25:20 +0000 | [diff] [blame] | 14 | menu "General Configuration" |
| 15 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 16 | config DESKTOP |
Bernhard Reutner-Fischer | 68532b3 | 2006-11-17 12:47:50 +0000 | [diff] [blame] | 17 | bool "Enable options for full-blown desktop systems" |
Denys Vlasenko | ba085c6 | 2010-07-21 08:58:11 +0200 | [diff] [blame] | 18 | default y |
Denis Vlasenko | 97a8dd3 | 2006-10-01 15:55:11 +0000 | [diff] [blame] | 19 | help |
| 20 | Enable options and features which are not essential. |
| 21 | Select this only if you plan to use busybox on full-blown |
Bernhard Reutner-Fischer | 68532b3 | 2006-11-17 12:47:50 +0000 | [diff] [blame] | 22 | desktop machine with common Linux distro, not on an embedded box. |
Denis Vlasenko | 97a8dd3 | 2006-10-01 15:55:11 +0000 | [diff] [blame] | 23 | |
Denis Vlasenko | 3fd15e1 | 2008-08-09 16:15:14 +0000 | [diff] [blame] | 24 | config EXTRA_COMPAT |
| 25 | bool "Provide compatible behavior for rare corner cases (bigger code)" |
| 26 | default n |
| 27 | help |
| 28 | This option makes grep, sed etc handle rare corner cases |
| 29 | (embedded NUL bytes and such). This makes code bigger and uses |
| 30 | some GNU extensions in libc. You probably only need this option |
| 31 | if you plan to run busybox on desktop. |
| 32 | |
Denys Vlasenko | a8df4c0 | 2009-10-19 18:56:26 +0200 | [diff] [blame] | 33 | config INCLUDE_SUSv2 |
| 34 | bool "Enable obsolete features removed before SUSv3" |
| 35 | default y |
| 36 | help |
| 37 | This option will enable backwards compatibility with SuSv2, |
| 38 | specifically, old-style numeric options ('command -1 <file>') |
| 39 | will be supported in head, tail, and fold. (Note: should |
| 40 | affect renice too.) |
| 41 | |
Denys Vlasenko | aa7da73 | 2009-09-13 14:57:24 +0200 | [diff] [blame] | 42 | config USE_PORTABLE_CODE |
| 43 | bool "Avoid using GCC-specific code constructs" |
| 44 | default n |
| 45 | help |
| 46 | Use this option if you are trying to compile busybox with |
| 47 | compiler other than gcc. |
| 48 | If you do use gcc, this option may needlessly increase code size. |
| 49 | |
Jeremie Koenig | 1d7266d | 2010-07-19 00:44:56 +0200 | [diff] [blame] | 50 | config PLATFORM_LINUX |
| 51 | bool "Enable Linux-specific applets and features" |
| 52 | default y |
| 53 | help |
| 54 | For the most part, busybox requires only POSIX compatibility |
| 55 | from the target system, but some applets and features use |
| 56 | Linux-specific interfaces. |
| 57 | |
| 58 | Answering 'N' here will disable such applets and hide the |
| 59 | corresponding configuration options. |
| 60 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 61 | choice |
| 62 | prompt "Buffer allocation policy" |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 63 | default FEATURE_BUFFERS_USE_MALLOC |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 64 | help |
Eric Andersen | 5360182 | 2002-12-05 21:12:42 +0000 | [diff] [blame] | 65 | There are 3 ways BusyBox can handle buffer allocations: |
| 66 | - Use malloc. This costs code size for the call to xmalloc. |
| 67 | - Put them on stack. For some very small machines with limited stack |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 68 | space, this can be deadly. For most folks, this works just fine. |
Eric Andersen | 5360182 | 2002-12-05 21:12:42 +0000 | [diff] [blame] | 69 | - Put them in BSS. This works beautifully for computers with a real |
| 70 | MMU (and OS support), but wastes runtime RAM for uCLinux. This |
| 71 | behavior was the only one available for BusyBox versions 0.48 and |
| 72 | earlier. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 73 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 74 | config FEATURE_BUFFERS_USE_MALLOC |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 75 | bool "Allocate with Malloc" |
| 76 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 77 | config FEATURE_BUFFERS_GO_ON_STACK |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 78 | bool "Allocate on the Stack" |
| 79 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 80 | config FEATURE_BUFFERS_GO_IN_BSS |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 81 | bool "Allocate in the .bss section" |
| 82 | |
| 83 | endchoice |
| 84 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 85 | config SHOW_USAGE |
Bernhard Reutner-Fischer | b9f4cd8 | 2011-11-09 20:23:38 +0100 | [diff] [blame] | 86 | bool "Show applet usage messages" |
Bernhard Reutner-Fischer | 81901a0 | 2006-03-31 18:43:55 +0000 | [diff] [blame] | 87 | default y |
| 88 | help |
Bernhard Reutner-Fischer | b9f4cd8 | 2011-11-09 20:23:38 +0100 | [diff] [blame] | 89 | Enabling this option, BusyBox applets will show terse help messages |
| 90 | when invoked with wrong arguments. |
| 91 | If you do not want to show any (helpful) usage message when |
| 92 | issuing wrong command syntax, you can say 'N' here, |
| 93 | saving approximately 7k. |
Bernhard Reutner-Fischer | 81901a0 | 2006-03-31 18:43:55 +0000 | [diff] [blame] | 94 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 95 | config FEATURE_VERBOSE_USAGE |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 96 | bool "Show verbose applet usage messages" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 97 | default y |
Denys Vlasenko | 0e5ba08 | 2010-06-05 23:11:07 +0200 | [diff] [blame] | 98 | depends on SHOW_USAGE |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 99 | help |
Bernhard Reutner-Fischer | b9f4cd8 | 2011-11-09 20:23:38 +0100 | [diff] [blame] | 100 | All BusyBox applets will show verbose help messages when |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 101 | busybox is invoked with --help. This will add a lot of text to the |
| 102 | busybox binary. In the default configuration, this will add about |
Eric Andersen | 5360182 | 2002-12-05 21:12:42 +0000 | [diff] [blame] | 103 | 13k, but it can add much more depending on your configuration. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 104 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 105 | config FEATURE_COMPRESS_USAGE |
Rob Landley | 7e21d5f | 2006-04-27 23:34:46 +0000 | [diff] [blame] | 106 | bool "Store applet usage messages in compressed form" |
| 107 | default y |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 108 | depends on SHOW_USAGE |
Rob Landley | 7e21d5f | 2006-04-27 23:34:46 +0000 | [diff] [blame] | 109 | help |
Bernhard Reutner-Fischer | b9f4cd8 | 2011-11-09 20:23:38 +0100 | [diff] [blame] | 110 | Store usage messages in .bz compressed form, uncompress them |
| 111 | on-the-fly when <applet> --help is called. |
Rob Landley | 7e21d5f | 2006-04-27 23:34:46 +0000 | [diff] [blame] | 112 | |
Rob Landley | c7ddefc | 2006-06-14 01:24:33 +0000 | [diff] [blame] | 113 | If you have a really tiny busybox with few applets enabled (and |
| 114 | bunzip2 isn't one of them), the overhead of the decompressor might |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 115 | be noticeable. Also, if you run executables directly from ROM |
| 116 | and have very little memory, this might not be a win. Otherwise, |
Rob Landley | c7ddefc | 2006-06-14 01:24:33 +0000 | [diff] [blame] | 117 | you probably want this. |
| 118 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 119 | config FEATURE_INSTALLER |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 120 | bool "Support --install [-s] to install applet links at runtime" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 121 | default y |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 122 | help |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 123 | Enable 'busybox --install [-s]' support. This will allow you to use |
Eric Andersen | 5360182 | 2002-12-05 21:12:42 +0000 | [diff] [blame] | 124 | busybox at runtime to create hard links or symlinks for all the |
Denis Vlasenko | a7825f2 | 2007-06-16 13:56:51 +0000 | [diff] [blame] | 125 | applets that are compiled into busybox. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 126 | |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 127 | config INSTALL_NO_USR |
| 128 | bool "Don't use /usr" |
| 129 | default n |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 130 | help |
Denys Vlasenko | c60e88a | 2010-12-05 23:11:15 +0100 | [diff] [blame] | 131 | Disable use of /usr. busybox --install and "make install" |
| 132 | will install applets only to /bin and /sbin, |
| 133 | never to /usr/bin or /usr/sbin. |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 134 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 135 | config LOCALE_SUPPORT |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 136 | bool "Enable locale support (system needs locale for this to work)" |
| 137 | default n |
| 138 | help |
Eric Andersen | 88c916b | 2003-10-22 09:58:56 +0000 | [diff] [blame] | 139 | Enable this if your system has locale support and you would like |
Eric Andersen | 5360182 | 2002-12-05 21:12:42 +0000 | [diff] [blame] | 140 | busybox to support locale settings. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 141 | |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 142 | config UNICODE_SUPPORT |
Denys Vlasenko | 42a8fd0 | 2009-07-11 21:36:13 +0200 | [diff] [blame] | 143 | bool "Support Unicode" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 144 | default y |
Denys Vlasenko | 42a8fd0 | 2009-07-11 21:36:13 +0200 | [diff] [blame] | 145 | help |
| 146 | This makes various applets aware that one byte is not |
| 147 | one character on screen. |
| 148 | |
| 149 | Busybox aims to eventually work correctly with Unicode displays. |
| 150 | Any older encodings are not guaranteed to work. |
| 151 | Probably by the time when busybox will be fully Unicode-clean, |
| 152 | other encodings will be mainly of historic interest. |
| 153 | |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 154 | config UNICODE_USING_LOCALE |
| 155 | bool "Use libc routines for Unicode (else uses internal ones)" |
| 156 | default n |
| 157 | depends on UNICODE_SUPPORT && LOCALE_SUPPORT |
| 158 | help |
| 159 | With this option on, Unicode support is implemented using libc |
| 160 | routines. Otherwise, internal implementation is used. |
Denys Vlasenko | 6ac37da | 2010-07-14 08:33:20 +0200 | [diff] [blame] | 161 | Internal implementation is smaller. |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 162 | |
Denys Vlasenko | 42a8fd0 | 2009-07-11 21:36:13 +0200 | [diff] [blame] | 163 | config FEATURE_CHECK_UNICODE_IN_ENV |
| 164 | bool "Check $LANG environment variable" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 165 | default n |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 166 | depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE |
Denys Vlasenko | 42a8fd0 | 2009-07-11 21:36:13 +0200 | [diff] [blame] | 167 | help |
| 168 | With this option on, Unicode support is activated |
| 169 | only if LANG variable has the value of the form "xxxx.utf8" |
| 170 | |
| 171 | Otherwise, Unicode support will be always enabled and active. |
| 172 | |
Denys Vlasenko | 2edba21 | 2010-01-29 09:11:47 +0100 | [diff] [blame] | 173 | config SUBST_WCHAR |
| 174 | int "Character code to substitute unprintable characters with" |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 175 | depends on UNICODE_SUPPORT |
Denys Vlasenko | 2edba21 | 2010-01-29 09:11:47 +0100 | [diff] [blame] | 176 | default 63 |
| 177 | help |
| 178 | Typical values are 63 for '?' (works with any output device), |
| 179 | 30 for ASCII substitute control code, |
| 180 | 65533 (0xfffd) for Unicode replacement character. |
| 181 | |
| 182 | config LAST_SUPPORTED_WCHAR |
| 183 | int "Range of supported Unicode characters" |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 184 | depends on UNICODE_SUPPORT |
Denys Vlasenko | 2edba21 | 2010-01-29 09:11:47 +0100 | [diff] [blame] | 185 | default 767 |
| 186 | help |
| 187 | Any character with Unicode value bigger than this is assumed |
| 188 | to be non-printable on output device. Many applets replace |
| 189 | such chars with substitution character. |
| 190 | |
| 191 | The idea is that many valid printable Unicode chars are |
| 192 | nevertheless are not displayed correctly. Think about |
Denys Vlasenko | 460f827 | 2010-01-31 18:12:57 +0100 | [diff] [blame] | 193 | combining charachers, double-wide hieroglyphs, obscure |
| 194 | characters in dozens of ancient scripts... |
| 195 | Many terminals, terminal emulators, xterms etc will fail |
| 196 | to handle them correctly. Choose the smallest value |
| 197 | which suits your needs. |
Denys Vlasenko | 2edba21 | 2010-01-29 09:11:47 +0100 | [diff] [blame] | 198 | |
| 199 | Typical values are: |
| 200 | 126 - ASCII only |
| 201 | 767 (0x2ff) - there are no combining chars in [0..767] range |
| 202 | (the range includes Latin 1, Latin Ext. A and B), |
| 203 | code is ~700 bytes smaller for this case. |
| 204 | 4351 (0x10ff) - there are no double-wide chars in [0..4351] range, |
| 205 | code is ~300 bytes smaller for this case. |
Denys Vlasenko | 460f827 | 2010-01-31 18:12:57 +0100 | [diff] [blame] | 206 | 12799 (0x31ff) - nearly all non-ideographic characters are |
| 207 | available in [0..12799] range, including |
| 208 | East Asian scripts like katakana, hiragana, hangul, |
| 209 | bopomofo... |
Denys Vlasenko | 2edba21 | 2010-01-29 09:11:47 +0100 | [diff] [blame] | 210 | 0 - off, any valid printable Unicode character will be printed. |
| 211 | |
| 212 | config UNICODE_COMBINING_WCHARS |
| 213 | bool "Allow zero-width Unicode characters on output" |
| 214 | default n |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 215 | depends on UNICODE_SUPPORT |
Denys Vlasenko | 2edba21 | 2010-01-29 09:11:47 +0100 | [diff] [blame] | 216 | help |
| 217 | With this option off, any Unicode char with width of 0 |
| 218 | is substituted on output. |
| 219 | |
| 220 | config UNICODE_WIDE_WCHARS |
| 221 | bool "Allow wide Unicode characters on output" |
| 222 | default n |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 223 | depends on UNICODE_SUPPORT |
Denys Vlasenko | 2edba21 | 2010-01-29 09:11:47 +0100 | [diff] [blame] | 224 | help |
| 225 | With this option off, any Unicode char with width > 1 |
| 226 | is substituted on output. |
| 227 | |
Tomas Heinrich | c5c006c | 2010-03-18 18:35:37 +0100 | [diff] [blame] | 228 | config UNICODE_BIDI_SUPPORT |
| 229 | bool "Bidirectional character-aware line input" |
Tomas Heinrich | aa16755 | 2010-03-26 13:13:24 +0100 | [diff] [blame] | 230 | default n |
Denys Vlasenko | 19158a8 | 2010-03-26 14:06:56 +0100 | [diff] [blame] | 231 | depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE |
Tomas Heinrich | c5c006c | 2010-03-18 18:35:37 +0100 | [diff] [blame] | 232 | help |
| 233 | With this option on, right-to-left Unicode characters |
| 234 | are treated differently on input (e.g. cursor movement). |
| 235 | |
Tomas Heinrich | aa16755 | 2010-03-26 13:13:24 +0100 | [diff] [blame] | 236 | config UNICODE_NEUTRAL_TABLE |
| 237 | bool "In bidi input, support non-ASCII neutral chars too" |
| 238 | default n |
| 239 | depends on UNICODE_BIDI_SUPPORT |
| 240 | help |
| 241 | In most cases it's enough to treat only ASCII non-letters |
| 242 | (i.e. punctuation, numbers and space) as characters |
| 243 | with neutral directionality. |
| 244 | With this option on, more extensive (and bigger) table |
| 245 | of neutral chars will be used. |
| 246 | |
Tomas Heinrich | a659b81 | 2010-04-29 13:43:39 +0200 | [diff] [blame] | 247 | config UNICODE_PRESERVE_BROKEN |
| 248 | bool "Make it possible to enter sequences of chars which are not Unicode" |
| 249 | default n |
| 250 | depends on UNICODE_SUPPORT |
| 251 | help |
Denys Vlasenko | e0238f8 | 2011-05-14 15:23:55 +0200 | [diff] [blame] | 252 | With this option on, on line-editing input (such as used by shells) |
| 253 | invalid UTF-8 bytes are not substituted with the selected |
| 254 | substitution character. |
Tomas Heinrich | a659b81 | 2010-04-29 13:43:39 +0200 | [diff] [blame] | 255 | For example, this means that entering 'l', 's', ' ', 0xff, [Enter] |
| 256 | at shell prompt will list file named 0xff (single char name |
| 257 | with char value 255), not file named '?'. |
| 258 | |
Denys Vlasenko | f3b92d3 | 2009-06-19 12:10:38 +0200 | [diff] [blame] | 259 | config LONG_OPTS |
Denis Vlasenko | 4ee7cd4 | 2008-03-17 09:13:22 +0000 | [diff] [blame] | 260 | bool "Support for --long-options" |
Bernhard Reutner-Fischer | 7470419 | 2006-06-16 14:03:23 +0000 | [diff] [blame] | 261 | default y |
Denis Vlasenko | c61852a | 2006-11-29 11:09:43 +0000 | [diff] [blame] | 262 | help |
| 263 | Enable this if you want busybox applets to use the gnu --long-option |
| 264 | style, in addition to single character -a -b -c style options. |
Bernhard Reutner-Fischer | 01d23ad | 2006-05-26 20:19:22 +0000 | [diff] [blame] | 265 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 266 | config FEATURE_DEVPTS |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 267 | bool "Use the devpts filesystem for Unix98 PTYs" |
Rob Landley | c7ddefc | 2006-06-14 01:24:33 +0000 | [diff] [blame] | 268 | default y |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 269 | help |
Eric Andersen | 5360182 | 2002-12-05 21:12:42 +0000 | [diff] [blame] | 270 | Enable if you want BusyBox to use Unix98 PTY support. If enabled, |
| 271 | busybox will use /dev/ptmx for the master side of the pseudoterminal |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 272 | and /dev/pts/<number> for the slave side. Otherwise, BSD style |
Eric Andersen | 5360182 | 2002-12-05 21:12:42 +0000 | [diff] [blame] | 273 | /dev/ttyp<number> will be used. To use this option, you should have |
Rob Landley | d5b9b60 | 2006-05-31 23:23:42 +0000 | [diff] [blame] | 274 | devpts mounted. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 275 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 276 | config FEATURE_CLEAN_UP |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 277 | bool "Clean up all memory before exiting (usually not needed)" |
| 278 | default n |
| 279 | help |
Rob Landley | 1ab4c3d | 2006-02-08 18:50:17 +0000 | [diff] [blame] | 280 | As a size optimization, busybox normally exits without explicitly |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 281 | freeing dynamically allocated memory or closing files. This saves |
Rob Landley | 1ab4c3d | 2006-02-08 18:50:17 +0000 | [diff] [blame] | 282 | space since the OS will clean up for us, but it can confuse debuggers |
| 283 | like valgrind, which report tons of memory and resource leaks. |
| 284 | |
| 285 | Don't enable this unless you have a really good reason to clean |
Eric Andersen | e564211 | 2003-07-14 19:37:08 +0000 | [diff] [blame] | 286 | things up manually. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 287 | |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 288 | config FEATURE_UTMP |
| 289 | bool "Support utmp file" |
| 290 | default y |
| 291 | help |
| 292 | The file /var/run/utmp is used to track who is currently logged in. |
| 293 | With this option on, certain applets (getty, login, telnetd etc) |
| 294 | will create and delete entries there. |
| 295 | "who" applet requires this option. |
| 296 | |
Denys Vlasenko | 8d0e0cd | 2011-01-25 23:21:46 +0100 | [diff] [blame] | 297 | config FEATURE_WTMP |
| 298 | bool "Support wtmp file" |
| 299 | default y |
| 300 | depends on FEATURE_UTMP |
| 301 | help |
| 302 | The file /var/run/wtmp is used to track when users have logged into |
| 303 | and logged out of the system. |
| 304 | With this option on, certain applets (getty, login, telnetd etc) |
| 305 | will append new entries there. |
| 306 | "last" applet requires this option. |
| 307 | |
Denis Vlasenko | 10457b9 | 2007-03-27 22:01:31 +0000 | [diff] [blame] | 308 | config FEATURE_PIDFILE |
| 309 | bool "Support writing pidfiles" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 310 | default y |
Denis Vlasenko | 10457b9 | 2007-03-27 22:01:31 +0000 | [diff] [blame] | 311 | help |
Denis Vlasenko | bb23c06 | 2007-08-15 20:05:37 +0000 | [diff] [blame] | 312 | This option makes some applets (e.g. crond, syslogd, inetd) write |
Denis Vlasenko | a7825f2 | 2007-06-16 13:56:51 +0000 | [diff] [blame] | 313 | a pidfile in /var/run. Some applications rely on them. |
Denis Vlasenko | 10457b9 | 2007-03-27 22:01:31 +0000 | [diff] [blame] | 314 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 315 | config FEATURE_SUID |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 316 | bool "Support for SUID/SGID handling" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 317 | default y |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 318 | help |
Rob Landley | d5b9b60 | 2006-05-31 23:23:42 +0000 | [diff] [blame] | 319 | With this option you can install the busybox binary belonging |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 320 | to root with the suid bit set, enabling some applets to perform |
| 321 | root-level operations even when run by ordinary users |
| 322 | (for example, mounting of user mounts in fstab needs this). |
| 323 | |
| 324 | Busybox will automatically drop priviledges for applets |
| 325 | that don't need root access. |
Rob Landley | d5b9b60 | 2006-05-31 23:23:42 +0000 | [diff] [blame] | 326 | |
Bernhard Reutner-Fischer | aa2a1c0 | 2008-10-24 19:48:47 +0000 | [diff] [blame] | 327 | If you are really paranoid and don't want to do this, build two |
Rob Landley | d5b9b60 | 2006-05-31 23:23:42 +0000 | [diff] [blame] | 328 | busybox binaries with different applets in them (and the appropriate |
| 329 | symlinks pointing to each binary), and only set the suid bit on the |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 330 | one that needs it. |
| 331 | |
Denys Vlasenko | 3b5acaa | 2011-01-18 13:52:48 +0100 | [diff] [blame] | 332 | The applets which require root rights (need suid bit or |
| 333 | to be run by root) and will refuse to execute otherwise: |
| 334 | crontab, login, passwd, su, vlock, wall. |
Bernhard Reutner-Fischer | aa2a1c0 | 2008-10-24 19:48:47 +0000 | [diff] [blame] | 335 | |
Denys Vlasenko | 3b5acaa | 2011-01-18 13:52:48 +0100 | [diff] [blame] | 336 | The applets which will use root rights if they have them |
| 337 | (via suid bit, or because run by root), but would try to work |
| 338 | without root right nevertheless: |
| 339 | findfs, ping[6], traceroute[6], mount. |
| 340 | |
| 341 | Note that if you DONT select this option, but DO make busybox |
| 342 | suid root, ALL applets will run under root, which is a huge |
| 343 | security hole (think "cp /some/file /etc/passwd"). |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 344 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 345 | config FEATURE_SUID_CONFIG |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 346 | bool "Runtime SUID/SGID configuration via /etc/busybox.conf" |
Denys Vlasenko | e0238f8 | 2011-05-14 15:23:55 +0200 | [diff] [blame] | 347 | default y |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 348 | depends on FEATURE_SUID |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 349 | help |
Rob Landley | d5b9b60 | 2006-05-31 23:23:42 +0000 | [diff] [blame] | 350 | Allow the SUID / SGID state of an applet to be determined at runtime |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 351 | by checking /etc/busybox.conf. (This is sort of a poor man's sudo.) |
Rob Landley | d5b9b60 | 2006-05-31 23:23:42 +0000 | [diff] [blame] | 352 | The format of this file is as follows: |
Eric Andersen | e527207 | 2003-07-22 22:15:21 +0000 | [diff] [blame] | 353 | |
Denys Vlasenko | d83aff1 | 2011-05-16 13:53:19 +0200 | [diff] [blame] | 354 | APPLET = [Ssx-][Ssx-][x-] [USER.GROUP] |
Denys Vlasenko | 3770b6b | 2011-05-16 13:19:25 +0200 | [diff] [blame] | 355 | |
Denys Vlasenko | d83aff1 | 2011-05-16 13:53:19 +0200 | [diff] [blame] | 356 | s: USER or GROUP is allowed to execute APPLET. |
| 357 | APPLET will run under USER or GROUP |
| 358 | (reagardless of who's running it). |
| 359 | S: USER or GROUP is NOT allowed to execute APPLET. |
Denys Vlasenko | 3770b6b | 2011-05-16 13:19:25 +0200 | [diff] [blame] | 360 | APPLET will run under USER or GROUP. |
Denys Vlasenko | d83aff1 | 2011-05-16 13:53:19 +0200 | [diff] [blame] | 361 | This option is not very sensical. |
| 362 | x: USER/GROUP/others are allowed to execute APPLET. |
Denys Vlasenko | 3770b6b | 2011-05-16 13:19:25 +0200 | [diff] [blame] | 363 | No UID/GID change will be done when it is run. |
Denys Vlasenko | d83aff1 | 2011-05-16 13:53:19 +0200 | [diff] [blame] | 364 | -: USER/GROUP/others are not allowed to execute APPLET. |
Eric Andersen | 5043ea1 | 2005-06-23 19:15:40 +0000 | [diff] [blame] | 365 | |
Eric Andersen | e527207 | 2003-07-22 22:15:21 +0000 | [diff] [blame] | 366 | An example might help: |
| 367 | |
| 368 | [SUID] |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 369 | su = ssx root.0 # applet su can be run by anyone and runs with |
| 370 | # euid=0/egid=0 |
Eric Andersen | e527207 | 2003-07-22 22:15:21 +0000 | [diff] [blame] | 371 | su = ssx # exactly the same |
| 372 | |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 373 | mount = sx- root.disk # applet mount can be run by root and members |
Denys Vlasenko | d83aff1 | 2011-05-16 13:53:19 +0200 | [diff] [blame] | 374 | # of group disk (but not anyone else) |
| 375 | # and runs with euid=0 (egid is not changed) |
Eric Andersen | e527207 | 2003-07-22 22:15:21 +0000 | [diff] [blame] | 376 | |
| 377 | cp = --- # disable applet cp for everyone |
| 378 | |
Rob Landley | fdc4c20 | 2005-04-29 19:48:29 +0000 | [diff] [blame] | 379 | The file has to be owned by user root, group root and has to be |
| 380 | writeable only by root: |
Denis Vlasenko | 6cee58e | 2007-11-04 15:43:26 +0000 | [diff] [blame] | 381 | (chown 0.0 /etc/busybox.conf; chmod 600 /etc/busybox.conf) |
Rob Landley | fdc4c20 | 2005-04-29 19:48:29 +0000 | [diff] [blame] | 382 | The busybox executable has to be owned by user root, group |
| 383 | root and has to be setuid root for this to work: |
Denis Vlasenko | 6cee58e | 2007-11-04 15:43:26 +0000 | [diff] [blame] | 384 | (chown 0.0 /bin/busybox; chmod 4755 /bin/busybox) |
Rob Landley | fdc4c20 | 2005-04-29 19:48:29 +0000 | [diff] [blame] | 385 | |
Eric Andersen | e527207 | 2003-07-22 22:15:21 +0000 | [diff] [blame] | 386 | Robert 'sandman' Griebl has more information here: |
| 387 | <url: http://www.softforge.de/bb/suid.html >. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 388 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 389 | config FEATURE_SUID_CONFIG_QUIET |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 390 | bool "Suppress warning message if /etc/busybox.conf is not readable" |
Rob Landley | d5b9b60 | 2006-05-31 23:23:42 +0000 | [diff] [blame] | 391 | default y |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 392 | depends on FEATURE_SUID_CONFIG |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 393 | help |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 394 | /etc/busybox.conf should be readable by the user needing the SUID, |
| 395 | check this option to avoid users to be notified about missing |
| 396 | permissions. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 397 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 398 | config SELINUX |
Eric Andersen | 9e48045 | 2003-07-03 10:07:04 +0000 | [diff] [blame] | 399 | bool "Support NSA Security Enhanced Linux" |
| 400 | default n |
Denys Vlasenko | e3b1a1f | 2011-02-26 22:24:08 +0100 | [diff] [blame] | 401 | select PLATFORM_LINUX |
Eric Andersen | 9e48045 | 2003-07-03 10:07:04 +0000 | [diff] [blame] | 402 | help |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 403 | Enable support for SELinux in applets ls, ps, and id. Also provide |
Rob Landley | 24b0a95 | 2006-03-29 15:35:23 +0000 | [diff] [blame] | 404 | the option of compiling in SELinux applets. |
Eric Andersen | 9e48045 | 2003-07-03 10:07:04 +0000 | [diff] [blame] | 405 | |
Rob Landley | 24b0a95 | 2006-03-29 15:35:23 +0000 | [diff] [blame] | 406 | If you do not have a complete SELinux userland installed, this stuff |
| 407 | will not compile. Go visit |
Eric Andersen | 31d898f | 2004-02-05 00:18:26 +0000 | [diff] [blame] | 408 | http://www.nsa.gov/selinux/index.html |
Rob Landley | 24b0a95 | 2006-03-29 15:35:23 +0000 | [diff] [blame] | 409 | to download the necessary stuff to allow busybox to compile with |
| 410 | this option enabled. Specifially, libselinux 1.28 or better is |
| 411 | directly required by busybox. If the installation is located in a |
| 412 | non-standard directory, provide it by invoking make as follows: |
| 413 | CFLAGS=-I<libselinux-include-path> \ |
| 414 | LDFLAGS=-L<libselinux-lib-path> \ |
| 415 | make |
Eric Andersen | 31d898f | 2004-02-05 00:18:26 +0000 | [diff] [blame] | 416 | |
| 417 | Most people will leave this set to 'N'. |
| 418 | |
Denis Vlasenko | 80d14be | 2007-04-10 23:03:30 +0000 | [diff] [blame] | 419 | config FEATURE_PREFER_APPLETS |
Denis Vlasenko | 2f0c0d0 | 2007-01-21 00:41:04 +0000 | [diff] [blame] | 420 | bool "exec prefers applets" |
| 421 | default n |
| 422 | help |
| 423 | This is an experimental option which directs applets about to |
| 424 | call 'exec' to try and find an applicable busybox applet before |
Denis Vlasenko | 92c0b82 | 2007-05-08 17:27:17 +0000 | [diff] [blame] | 425 | searching the PATH. This is typically done by exec'ing |
| 426 | /proc/self/exe. |
| 427 | This may affect shell, find -exec, xargs and similar applets. |
| 428 | They will use applets even if /bin/<applet> -> busybox link |
| 429 | is missing (or is not a link to busybox). However, this causes |
| 430 | problems in chroot jails without mounted /proc and with ps/top |
| 431 | (command name can be shown as 'exe' for applets started this way). |
Denis Vlasenko | 2f0c0d0 | 2007-01-21 00:41:04 +0000 | [diff] [blame] | 432 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 433 | config BUSYBOX_EXEC_PATH |
Rob Landley | c7ddefc | 2006-06-14 01:24:33 +0000 | [diff] [blame] | 434 | string "Path to BusyBox executable" |
| 435 | default "/proc/self/exe" |
| 436 | help |
| 437 | When Busybox applets need to run other busybox applets, BusyBox |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 438 | sometimes needs to exec() itself. When the /proc filesystem is |
Rob Landley | c7ddefc | 2006-06-14 01:24:33 +0000 | [diff] [blame] | 439 | mounted, /proc/self/exe always points to the currently running |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 440 | executable. If you haven't got /proc, set this to wherever you |
Rob Landley | c7ddefc | 2006-06-14 01:24:33 +0000 | [diff] [blame] | 441 | want to run BusyBox from. |
| 442 | |
Denis Vlasenko | a7825f2 | 2007-06-16 13:56:51 +0000 | [diff] [blame] | 443 | # These are auto-selected by other options |
| 444 | |
| 445 | config FEATURE_SYSLOG |
Denis Vlasenko | 35a064b | 2008-11-06 00:49:59 +0000 | [diff] [blame] | 446 | bool #No description makes it a hidden option |
Denis Vlasenko | a7825f2 | 2007-06-16 13:56:51 +0000 | [diff] [blame] | 447 | default n |
Denis Vlasenko | 35a064b | 2008-11-06 00:49:59 +0000 | [diff] [blame] | 448 | #help |
| 449 | # This option is auto-selected when you select any applet which may |
| 450 | # send its output to syslog. You do not need to select it manually. |
Denis Vlasenko | a7825f2 | 2007-06-16 13:56:51 +0000 | [diff] [blame] | 451 | |
| 452 | config FEATURE_HAVE_RPC |
Denis Vlasenko | 35a064b | 2008-11-06 00:49:59 +0000 | [diff] [blame] | 453 | bool #No description makes it a hidden option |
Denis Vlasenko | a7825f2 | 2007-06-16 13:56:51 +0000 | [diff] [blame] | 454 | default n |
Denis Vlasenko | 35a064b | 2008-11-06 00:49:59 +0000 | [diff] [blame] | 455 | #help |
| 456 | # This is automatically selected if any of enabled applets need it. |
| 457 | # You do not need to select it manually. |
Denis Vlasenko | a7825f2 | 2007-06-16 13:56:51 +0000 | [diff] [blame] | 458 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 459 | endmenu |
| 460 | |
| 461 | menu 'Build Options' |
| 462 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 463 | config STATIC |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 464 | bool "Build BusyBox as a static binary (no shared libs)" |
| 465 | default n |
| 466 | help |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 467 | If you want to build a static BusyBox binary, which does not |
| 468 | use or require any shared libraries, then enable this option. |
Eric Andersen | 88c916b | 2003-10-22 09:58:56 +0000 | [diff] [blame] | 469 | This can cause BusyBox to be considerably larger, so you should |
Eric Andersen | e527207 | 2003-07-22 22:15:21 +0000 | [diff] [blame] | 470 | leave this option false unless you have a good reason (i.e. |
| 471 | your target platform does not support shared libraries, or |
| 472 | you are building an initrd which doesn't need anything but |
| 473 | BusyBox, etc). |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 474 | |
Eric Andersen | e527207 | 2003-07-22 22:15:21 +0000 | [diff] [blame] | 475 | Most people will leave this set to 'N'. |
| 476 | |
Denis Vlasenko | 1da86d2 | 2008-06-04 11:28:24 +0000 | [diff] [blame] | 477 | config PIE |
| 478 | bool "Build BusyBox as a position independent executable" |
| 479 | default n |
| 480 | depends on !STATIC |
| 481 | help |
Gilles Espinasse | 26b80e8 | 2011-02-13 22:54:37 +0100 | [diff] [blame] | 482 | Hardened code option. PIE binaries are loaded at a different |
| 483 | address at each invocation. This has some overhead, |
| 484 | particularly on x86-32 which is short on registers. |
| 485 | |
Denis Vlasenko | 1da86d2 | 2008-06-04 11:28:24 +0000 | [diff] [blame] | 486 | Most people will leave this set to 'N'. |
| 487 | |
Denis Vlasenko | d2c450c | 2008-01-08 20:32:12 +0000 | [diff] [blame] | 488 | config NOMMU |
| 489 | bool "Force NOMMU build" |
| 490 | default n |
| 491 | help |
| 492 | Busybox tries to detect whether architecture it is being |
| 493 | built against supports MMU or not. If this detection fails, |
| 494 | or if you want to build NOMMU version of busybox for testing, |
| 495 | you may force NOMMU build here. |
| 496 | |
| 497 | Most people will leave this set to 'N'. |
| 498 | |
Denis Vlasenko | cc3f20b | 2008-06-23 22:31:52 +0000 | [diff] [blame] | 499 | # PIE can be made to work with BUILD_LIBBUSYBOX, but currently |
| 500 | # build system does not support that |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 501 | config BUILD_LIBBUSYBOX |
Bernhard Reutner-Fischer | 2aba395 | 2006-01-24 16:14:14 +0000 | [diff] [blame] | 502 | bool "Build shared libbusybox" |
Rob Landley | c7ddefc | 2006-06-14 01:24:33 +0000 | [diff] [blame] | 503 | default n |
Denis Vlasenko | fc5e806 | 2008-07-09 21:24:18 +0000 | [diff] [blame] | 504 | depends on !FEATURE_PREFER_APPLETS && !PIE && !STATIC |
Bernhard Reutner-Fischer | 2aba395 | 2006-01-24 16:14:14 +0000 | [diff] [blame] | 505 | help |
Denis Vlasenko | d62fd84 | 2007-10-07 20:46:34 +0000 | [diff] [blame] | 506 | Build a shared library libbusybox.so.N.N.N which contains all |
| 507 | busybox code. |
Bernhard Reutner-Fischer | 2aba395 | 2006-01-24 16:14:14 +0000 | [diff] [blame] | 508 | |
Denis Vlasenko | d62fd84 | 2007-10-07 20:46:34 +0000 | [diff] [blame] | 509 | This feature allows every applet to be built as a tiny |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 510 | separate executable. Enabling it for "one big busybox binary" |
Denis Vlasenko | d62fd84 | 2007-10-07 20:46:34 +0000 | [diff] [blame] | 511 | approach serves no purpose and increases code size. |
| 512 | You should almost certainly say "no" to this. |
Rob Landley | d6e5083 | 2006-06-15 15:04:53 +0000 | [diff] [blame] | 513 | |
Denis Vlasenko | def8898 | 2007-10-07 17:06:01 +0000 | [diff] [blame] | 514 | ### config FEATURE_FULL_LIBBUSYBOX |
| 515 | ### bool "Feature-complete libbusybox" |
| 516 | ### default n if !FEATURE_SHARED_BUSYBOX |
| 517 | ### depends on BUILD_LIBBUSYBOX |
| 518 | ### help |
| 519 | ### Build a libbusybox with the complete feature-set, disregarding |
| 520 | ### the actually selected config. |
| 521 | ### |
| 522 | ### Normally, libbusybox will only contain the features which are |
| 523 | ### used by busybox itself. If you plan to write a separate |
| 524 | ### standalone application which uses libbusybox say 'Y'. |
| 525 | ### |
| 526 | ### Note: libbusybox is GPL, not LGPL, and exports no stable API that |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 527 | ### might act as a copyright barrier. We can and will modify the |
Denis Vlasenko | def8898 | 2007-10-07 17:06:01 +0000 | [diff] [blame] | 528 | ### exported function set between releases (even minor version number |
| 529 | ### changes), and happily break out-of-tree features. |
| 530 | ### |
| 531 | ### Say 'N' if in doubt. |
Bernhard Reutner-Fischer | 2aba395 | 2006-01-24 16:14:14 +0000 | [diff] [blame] | 532 | |
Denis Vlasenko | f545be0 | 2007-10-07 17:06:26 +0000 | [diff] [blame] | 533 | config FEATURE_INDIVIDUAL |
| 534 | bool "Produce a binary for each applet, linked against libbusybox" |
| 535 | default y |
Denis Vlasenko | fc5e806 | 2008-07-09 21:24:18 +0000 | [diff] [blame] | 536 | depends on BUILD_LIBBUSYBOX |
Bernhard Reutner-Fischer | 2aba395 | 2006-01-24 16:14:14 +0000 | [diff] [blame] | 537 | help |
Denis Vlasenko | f545be0 | 2007-10-07 17:06:26 +0000 | [diff] [blame] | 538 | If your CPU architecture doesn't allow for sharing text/rodata |
| 539 | sections of running binaries, but allows for runtime dynamic |
| 540 | libraries, this option will allow you to reduce memory footprint |
| 541 | when you have many different applets running at once. |
Bernhard Reutner-Fischer | 2aba395 | 2006-01-24 16:14:14 +0000 | [diff] [blame] | 542 | |
Denis Vlasenko | f545be0 | 2007-10-07 17:06:26 +0000 | [diff] [blame] | 543 | If your CPU architecture allows for sharing text/rodata, |
| 544 | having single binary is more optimal. |
| 545 | |
| 546 | Each applet will be a tiny program, dynamically linked |
| 547 | against libbusybox.so.N.N.N. |
| 548 | |
| 549 | You need to have a working dynamic linker. |
| 550 | |
| 551 | config FEATURE_SHARED_BUSYBOX |
| 552 | bool "Produce additional busybox binary linked against libbusybox" |
| 553 | default y |
Denis Vlasenko | fc5e806 | 2008-07-09 21:24:18 +0000 | [diff] [blame] | 554 | depends on BUILD_LIBBUSYBOX |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 555 | help |
Denis Vlasenko | f545be0 | 2007-10-07 17:06:26 +0000 | [diff] [blame] | 556 | Build busybox, dynamically linked against libbusybox.so.N.N.N. |
| 557 | |
| 558 | You need to have a working dynamic linker. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 559 | |
Denis Vlasenko | def8898 | 2007-10-07 17:06:01 +0000 | [diff] [blame] | 560 | ### config BUILD_AT_ONCE |
| 561 | ### bool "Compile all sources at once" |
| 562 | ### default n |
| 563 | ### help |
| 564 | ### Normally each source-file is compiled with one invocation of |
| 565 | ### the compiler. |
| 566 | ### If you set this option, all sources are compiled at once. |
| 567 | ### This gives the compiler more opportunities to optimize which can |
| 568 | ### result in smaller and/or faster binaries. |
| 569 | ### |
| 570 | ### Setting this option will consume alot of memory, e.g. if you |
| 571 | ### enable all applets with all features, gcc uses more than 300MB |
| 572 | ### RAM during compilation of busybox. |
| 573 | ### |
| 574 | ### This option is most likely only beneficial for newer compilers |
| 575 | ### such as gcc-4.1 and above. |
| 576 | ### |
| 577 | ### Say 'N' unless you know what you are doing. |
Bernhard Reutner-Fischer | 2aba395 | 2006-01-24 16:14:14 +0000 | [diff] [blame] | 578 | |
Denis Vlasenko | f545be0 | 2007-10-07 17:06:26 +0000 | [diff] [blame] | 579 | config LFS |
| 580 | bool "Build with Large File Support (for accessing files > 2 GB)" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 581 | default y |
Denis Vlasenko | f545be0 | 2007-10-07 17:06:26 +0000 | [diff] [blame] | 582 | help |
| 583 | If you want to build BusyBox with large file support, then enable |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 584 | this option. This will have no effect if your kernel or your C |
| 585 | library lacks large file support for large files. Some of the |
Denis Vlasenko | f545be0 | 2007-10-07 17:06:26 +0000 | [diff] [blame] | 586 | programs that can benefit from large file support include dd, gzip, |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 587 | cp, mount, tar, and many others. If you want to access files larger |
| 588 | than 2 Gigabytes, enable this option. Otherwise, leave it set to 'N'. |
Denis Vlasenko | f545be0 | 2007-10-07 17:06:26 +0000 | [diff] [blame] | 589 | |
Denis Vlasenko | b8e653b | 2008-06-02 04:51:29 +0000 | [diff] [blame] | 590 | config CROSS_COMPILER_PREFIX |
| 591 | string "Cross Compiler prefix" |
| 592 | default "" |
| 593 | help |
| 594 | If you want to build BusyBox with a cross compiler, then you |
| 595 | will need to set this to the cross-compiler prefix, for example, |
Bernhard Reutner-Fischer | 7d0d3e2 | 2008-08-22 08:25:26 +0000 | [diff] [blame] | 596 | "i386-uclibc-". |
| 597 | |
| 598 | Note that CROSS_COMPILE environment variable or |
| 599 | "make CROSS_COMPILE=xxx ..." will override this selection. |
| 600 | |
| 601 | Native builds leave this empty. |
Denis Vlasenko | b8e653b | 2008-06-02 04:51:29 +0000 | [diff] [blame] | 602 | |
Bernhard Reutner-Fischer | f6107c7 | 2009-01-22 13:27:14 +0000 | [diff] [blame] | 603 | config EXTRA_CFLAGS |
| 604 | string "Additional CFLAGS" |
| 605 | default "" |
| 606 | help |
| 607 | Additional CFLAGS to pass to the compiler verbatim. |
| 608 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 609 | endmenu |
| 610 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 611 | menu 'Debugging Options' |
| 612 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 613 | config DEBUG |
Rob Landley | c503df5 | 2006-05-09 22:08:56 +0000 | [diff] [blame] | 614 | bool "Build BusyBox with extra Debugging symbols" |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 615 | default n |
| 616 | help |
Rob Landley | c503df5 | 2006-05-09 22:08:56 +0000 | [diff] [blame] | 617 | Say Y here if you wish to examine BusyBox internals while applets are |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 618 | running. This increases the size of the binary considerably, and |
| 619 | should only be used when doing development. If you are doing |
Rob Landley | c503df5 | 2006-05-09 22:08:56 +0000 | [diff] [blame] | 620 | development and want to debug BusyBox, answer Y. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 621 | |
Eric Andersen | f086ed8 | 2004-05-25 11:30:22 +0000 | [diff] [blame] | 622 | Most people should answer N. |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 623 | |
Denis Vlasenko | bd8390a | 2008-06-12 20:23:03 +0000 | [diff] [blame] | 624 | config DEBUG_PESSIMIZE |
Denis Vlasenko | c185e29 | 2008-07-16 23:45:11 +0000 | [diff] [blame] | 625 | bool "Disable compiler optimizations" |
Denis Vlasenko | bd8390a | 2008-06-12 20:23:03 +0000 | [diff] [blame] | 626 | default n |
| 627 | depends on DEBUG |
| 628 | help |
| 629 | The compiler's optimization of source code can eliminate and reorder |
| 630 | code, resulting in an executable that's hard to understand when |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 631 | stepping through it with a debugger. This switches it off, resulting |
Denis Vlasenko | bd8390a | 2008-06-12 20:23:03 +0000 | [diff] [blame] | 632 | in a much bigger executable that more closely matches the source |
| 633 | code. |
| 634 | |
Denis Vlasenko | e0eebc1 | 2007-01-27 13:44:53 +0000 | [diff] [blame] | 635 | config WERROR |
| 636 | bool "Abort compilation on any warning" |
Rob Landley | c503df5 | 2006-05-09 22:08:56 +0000 | [diff] [blame] | 637 | default n |
Rob Landley | c503df5 | 2006-05-09 22:08:56 +0000 | [diff] [blame] | 638 | help |
Denis Vlasenko | e0eebc1 | 2007-01-27 13:44:53 +0000 | [diff] [blame] | 639 | Selecting this will add -Werror to gcc command line. |
| 640 | |
| 641 | Most people should answer N. |
| 642 | |
Eric Andersen | f086ed8 | 2004-05-25 11:30:22 +0000 | [diff] [blame] | 643 | choice |
| 644 | prompt "Additional debugging library" |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 645 | default NO_DEBUG_LIB |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 646 | help |
Eric Andersen | f086ed8 | 2004-05-25 11:30:22 +0000 | [diff] [blame] | 647 | Using an additional debugging library will make BusyBox become |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 648 | considerable larger and will cause it to run more slowly. You |
Eric Andersen | f086ed8 | 2004-05-25 11:30:22 +0000 | [diff] [blame] | 649 | should always leave this option disabled for production use. |
| 650 | |
| 651 | dmalloc support: |
| 652 | ---------------- |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 653 | This enables compiling with dmalloc ( http://dmalloc.com/ ) |
| 654 | which is an excellent public domain mem leak and malloc problem |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 655 | detector. To enable dmalloc, before running busybox you will |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 656 | want to properly set your environment, for example: |
| 657 | export DMALLOC_OPTIONS=debug=0x34f47d83,inter=100,log=logfile |
| 658 | The 'debug=' value is generated using the following command |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 659 | dmalloc -p log-stats -p log-non-free -p log-bad-space \ |
| 660 | -p log-elapsed-time -p check-fence -p check-heap \ |
| 661 | -p check-lists -p check-blank -p check-funcs -p realloc-copy \ |
| 662 | -p allow-free-null |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 663 | |
Eric Andersen | f086ed8 | 2004-05-25 11:30:22 +0000 | [diff] [blame] | 664 | Electric-fence support: |
| 665 | ----------------------- |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 666 | This enables compiling with Electric-fence support. Electric |
Eric Andersen | 88c916b | 2003-10-22 09:58:56 +0000 | [diff] [blame] | 667 | fence is another very useful malloc debugging library which uses |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 668 | your computer's virtual memory hardware to detect illegal memory |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 669 | accesses. This support will make BusyBox be considerable larger |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 670 | and run slower, so you should leave this option disabled unless |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 671 | you are hunting a hard to find memory problem. |
| 672 | |
Eric Andersen | f086ed8 | 2004-05-25 11:30:22 +0000 | [diff] [blame] | 673 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 674 | config NO_DEBUG_LIB |
Eric Andersen | f086ed8 | 2004-05-25 11:30:22 +0000 | [diff] [blame] | 675 | bool "None" |
| 676 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 677 | config DMALLOC |
Eric Andersen | f086ed8 | 2004-05-25 11:30:22 +0000 | [diff] [blame] | 678 | bool "Dmalloc" |
| 679 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 680 | config EFENCE |
Eric Andersen | f086ed8 | 2004-05-25 11:30:22 +0000 | [diff] [blame] | 681 | bool "Electric-fence" |
| 682 | |
| 683 | endchoice |
| 684 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 685 | endmenu |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 686 | |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 687 | menu 'Installation Options ("make install" behavior)' |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 688 | |
| 689 | choice |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 690 | prompt "What kind of applet links to install" |
Mike Frysinger | 71a6a4e | 2007-01-24 08:24:43 +0000 | [diff] [blame] | 691 | default INSTALL_APPLET_SYMLINKS |
| 692 | help |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 693 | Choose what kind of links to applets are created by "make install". |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 694 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 695 | config INSTALL_APPLET_SYMLINKS |
Mike Frysinger | 71a6a4e | 2007-01-24 08:24:43 +0000 | [diff] [blame] | 696 | bool "as soft-links" |
| 697 | help |
| 698 | Install applets as soft-links to the busybox binary. This needs some |
| 699 | free inodes on the filesystem, but might help with filesystem |
| 700 | generators that can't cope with hard-links. |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 701 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 702 | config INSTALL_APPLET_HARDLINKS |
Mike Frysinger | 71a6a4e | 2007-01-24 08:24:43 +0000 | [diff] [blame] | 703 | bool "as hard-links" |
| 704 | help |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 705 | Install applets as hard-links to the busybox binary. This might |
| 706 | count on a filesystem with few inodes. |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 707 | |
Denis Vlasenko | 737d131 | 2007-08-25 18:25:24 +0000 | [diff] [blame] | 708 | config INSTALL_APPLET_SCRIPT_WRAPPERS |
| 709 | bool "as script wrappers" |
| 710 | help |
| 711 | Install applets as script wrappers that call the busybox binary. |
| 712 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 713 | config INSTALL_APPLET_DONT |
Mike Frysinger | 6cda897 | 2007-01-24 09:32:42 +0000 | [diff] [blame] | 714 | bool "not installed" |
Mike Frysinger | 71a6a4e | 2007-01-24 08:24:43 +0000 | [diff] [blame] | 715 | help |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 716 | Do not install applet links. Useful when you plan to use |
| 717 | busybox --install for installing links, or plan to use |
| 718 | a standalone shell and thus don't need applet links. |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 719 | |
| 720 | endchoice |
| 721 | |
Denis Vlasenko | 737d131 | 2007-08-25 18:25:24 +0000 | [diff] [blame] | 722 | choice |
| 723 | prompt "/bin/sh applet link" |
| 724 | default INSTALL_SH_APPLET_SYMLINK |
| 725 | depends on INSTALL_APPLET_SCRIPT_WRAPPERS |
| 726 | help |
| 727 | Choose how you install /bin/sh applet link. |
| 728 | |
| 729 | config INSTALL_SH_APPLET_SYMLINK |
| 730 | bool "as soft-link" |
| 731 | help |
| 732 | Install /bin/sh applet as soft-link to the busybox binary. |
| 733 | |
| 734 | config INSTALL_SH_APPLET_HARDLINK |
| 735 | bool "as hard-link" |
| 736 | help |
| 737 | Install /bin/sh applet as hard-link to the busybox binary. |
| 738 | |
| 739 | config INSTALL_SH_APPLET_SCRIPT_WRAPPER |
| 740 | bool "as script wrapper" |
| 741 | help |
Denys Vlasenko | d4d289a | 2010-10-12 04:18:05 +0200 | [diff] [blame] | 742 | Install /bin/sh applet as script wrapper that calls |
| 743 | the busybox binary. |
Denis Vlasenko | 737d131 | 2007-08-25 18:25:24 +0000 | [diff] [blame] | 744 | |
| 745 | endchoice |
| 746 | |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 747 | config PREFIX |
| 748 | string "BusyBox installation prefix" |
| 749 | default "./_install" |
| 750 | help |
| 751 | Define your directory to install BusyBox files/subdirs in. |
| 752 | |
| 753 | endmenu |
| 754 | |
| 755 | source libbb/Config.in |
| 756 | |
Rob Landley | 9dc6913 | 2006-03-13 02:52:23 +0000 | [diff] [blame] | 757 | endmenu |
| 758 | |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 759 | comment "Applets" |
| 760 | |
| 761 | source archival/Config.in |
| 762 | source coreutils/Config.in |
| 763 | source console-tools/Config.in |
| 764 | source debianutils/Config.in |
| 765 | source editors/Config.in |
| 766 | source findutils/Config.in |
| 767 | source init/Config.in |
| 768 | source loginutils/Config.in |
| 769 | source e2fsprogs/Config.in |
| 770 | source modutils/Config.in |
| 771 | source util-linux/Config.in |
| 772 | source miscutils/Config.in |
| 773 | source networking/Config.in |
Bernhard Reutner-Fischer | aa2a1c0 | 2008-10-24 19:48:47 +0000 | [diff] [blame] | 774 | source printutils/Config.in |
Denis Vlasenko | b9d572a | 2008-11-06 23:41:38 +0000 | [diff] [blame] | 775 | source mailutils/Config.in |
Mike Frysinger | 72d59db | 2006-03-10 23:17:17 +0000 | [diff] [blame] | 776 | source procps/Config.in |
Denis Vlasenko | fe54458 | 2006-10-03 15:57:40 +0000 | [diff] [blame] | 777 | source runit/Config.in |
Denis Vlasenko | d46d3c2 | 2007-02-06 19:28:50 +0000 | [diff] [blame] | 778 | source selinux/Config.in |
Bernhard Reutner-Fischer | aa2a1c0 | 2008-10-24 19:48:47 +0000 | [diff] [blame] | 779 | source shell/Config.in |
| 780 | source sysklogd/Config.in |