Rob Landley | 5cf7c2d | 2006-02-21 06:44:43 +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 | menu "Busybox Library Tuning" |
| 7 | |
Denys Vlasenko | d70e0e9 | 2010-06-08 12:15:11 +0200 | [diff] [blame] | 8 | INSERT |
| 9 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 10 | config PASSWORD_MINLEN |
"Robert P. J. Day" | 087b9d6 | 2006-07-02 18:35:39 +0000 | [diff] [blame] | 11 | int "Minimum password length" |
| 12 | default 6 |
| 13 | range 5 32 |
| 14 | help |
| 15 | Minimum allowable password length. |
| 16 | |
Denis Vlasenko | 7d219aa | 2006-10-05 10:17:08 +0000 | [diff] [blame] | 17 | config MD5_SIZE_VS_SPEED |
Denys Vlasenko | 7e7e08f | 2009-07-06 23:24:20 +0200 | [diff] [blame] | 18 | int "MD5: Trade bytes for speed (0:fast, 3:slow)" |
Rob Landley | 5cf7c2d | 2006-02-21 06:44:43 +0000 | [diff] [blame] | 19 | default 2 |
| 20 | range 0 3 |
| 21 | help |
| 22 | Trade binary size versus speed for the md5sum algorithm. |
| 23 | Approximate values running uClibc and hashing |
| 24 | linux-2.4.4.tar.bz2 were: |
| 25 | user times (sec) text size (386) |
| 26 | 0 (fastest) 1.1 6144 |
| 27 | 1 1.4 5392 |
| 28 | 2 3.0 5088 |
| 29 | 3 (smallest) 5.1 4912 |
| 30 | |
Denis Vlasenko | 3afac4c | 2007-06-19 13:46:24 +0000 | [diff] [blame] | 31 | config FEATURE_FAST_TOP |
| 32 | bool "Faster /proc scanning code (+100 bytes)" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 33 | default y |
Denis Vlasenko | 3afac4c | 2007-06-19 13:46:24 +0000 | [diff] [blame] | 34 | help |
| 35 | This option makes top (and ps) ~20% faster (or 20% less CPU hungry), |
| 36 | but code size is slightly bigger. |
| 37 | |
Denis Vlasenko | a61cb92 | 2007-06-19 11:24:47 +0000 | [diff] [blame] | 38 | config FEATURE_ETC_NETWORKS |
| 39 | bool "Support for /etc/networks" |
| 40 | default n |
| 41 | help |
| 42 | Enable support for network names in /etc/networks. This is |
| 43 | a rarely used feature which allows you to use names |
| 44 | instead of IP/mask pairs in route command. |
| 45 | |
Denis Vlasenko | 38f6319 | 2007-01-22 09:03:07 +0000 | [diff] [blame] | 46 | config FEATURE_EDITING |
| 47 | bool "Command line editing" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 48 | default y |
Denis Vlasenko | 38f6319 | 2007-01-22 09:03:07 +0000 | [diff] [blame] | 49 | help |
Denis Vlasenko | e8a0788 | 2007-06-10 15:08:44 +0000 | [diff] [blame] | 50 | Enable line editing (mainly for shell command line). |
| 51 | |
| 52 | config FEATURE_EDITING_MAX_LEN |
| 53 | int "Maximum length of input" |
| 54 | range 128 8192 |
| 55 | default 1024 |
| 56 | depends on FEATURE_EDITING |
| 57 | help |
| 58 | Line editing code uses on-stack buffers for storage. |
| 59 | You may want to decrease this parameter if your target machine |
| 60 | benefits from smaller stack usage. |
Denis Vlasenko | 38f6319 | 2007-01-22 09:03:07 +0000 | [diff] [blame] | 61 | |
Denis Vlasenko | 38f6319 | 2007-01-22 09:03:07 +0000 | [diff] [blame] | 62 | config FEATURE_EDITING_VI |
| 63 | bool "vi-style line editing commands" |
| 64 | default n |
| 65 | depends on FEATURE_EDITING |
| 66 | help |
Bernhard Reutner-Fischer | 3e8669f | 2008-07-22 18:27:53 +0000 | [diff] [blame] | 67 | Enable vi-style line editing. In shells, this mode can be |
Denis Vlasenko | 38f6319 | 2007-01-22 09:03:07 +0000 | [diff] [blame] | 68 | turned on and off with "set -o vi" and "set +o vi". |
| 69 | |
| 70 | config FEATURE_EDITING_HISTORY |
| 71 | int "History size" |
| 72 | range 0 99999 |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 73 | default 255 |
Denis Vlasenko | 38f6319 | 2007-01-22 09:03:07 +0000 | [diff] [blame] | 74 | depends on FEATURE_EDITING |
| 75 | help |
| 76 | Specify command history size. |
| 77 | |
| 78 | config FEATURE_EDITING_SAVEHISTORY |
| 79 | bool "History saving" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 80 | default y |
Denis Vlasenko | 38f6319 | 2007-01-22 09:03:07 +0000 | [diff] [blame] | 81 | depends on ASH && FEATURE_EDITING |
| 82 | help |
| 83 | Enable history saving in ash shell. |
| 84 | |
| 85 | config FEATURE_TAB_COMPLETION |
| 86 | bool "Tab completion" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 87 | default y |
Denis Vlasenko | 38f6319 | 2007-01-22 09:03:07 +0000 | [diff] [blame] | 88 | depends on FEATURE_EDITING |
| 89 | help |
| 90 | Enable tab completion. |
| 91 | |
| 92 | config FEATURE_USERNAME_COMPLETION |
| 93 | bool "Username completion" |
| 94 | default n |
| 95 | depends on FEATURE_TAB_COMPLETION |
| 96 | help |
| 97 | Enable username completion. |
| 98 | |
| 99 | config FEATURE_EDITING_FANCY_PROMPT |
| 100 | bool "Fancy shell prompts" |
Denys Vlasenko | 5d26df6 | 2010-07-16 15:31:38 +0200 | [diff] [blame] | 101 | default y |
Denis Vlasenko | 38f6319 | 2007-01-22 09:03:07 +0000 | [diff] [blame] | 102 | depends on FEATURE_EDITING |
| 103 | help |
| 104 | Setting this option allows for prompts to use things like \w and |
| 105 | \$ and escape codes. |
| 106 | |
Denys Vlasenko | 020f406 | 2009-05-17 16:44:54 +0200 | [diff] [blame] | 107 | config FEATURE_EDITING_ASK_TERMINAL |
| 108 | bool "Query cursor position from terminal" |
| 109 | default n |
| 110 | depends on FEATURE_EDITING |
| 111 | help |
| 112 | Allow usage of "ESC [ 6 n" sequence. Terminal answers back with |
| 113 | current cursor position. This information is used to make line |
| 114 | editing more robust in some cases. |
| 115 | If you are not sure whether your terminals respond to this code |
Denys Vlasenko | d83bbf4 | 2009-10-27 10:47:49 +0100 | [diff] [blame] | 116 | correctly, or want to save on code size (about 400 bytes), |
Denys Vlasenko | 020f406 | 2009-05-17 16:44:54 +0200 | [diff] [blame] | 117 | then do not turn this option on. |
| 118 | |
Denys Vlasenko | 2d7b5bf | 2009-07-05 12:49:29 +0200 | [diff] [blame] | 119 | config FEATURE_NON_POSIX_CP |
| 120 | bool "Non-POSIX, but safer, copying to special nodes" |
| 121 | default y |
| 122 | help |
| 123 | With this option, "cp file symlink" will delete symlink |
| 124 | and create a regular file. This does not conform to POSIX, |
| 125 | but prevents a symlink attack. |
| 126 | Similarly, "cp file device" will not send file's data |
| 127 | to the device. |
| 128 | |
Denis Vlasenko | d5fe880 | 2008-02-13 16:52:00 +0000 | [diff] [blame] | 129 | config FEATURE_VERBOSE_CP_MESSAGE |
| 130 | bool "Give more precise messages when copy fails (cp, mv etc)" |
| 131 | default n |
| 132 | help |
| 133 | Error messages with this feature enabled: |
| 134 | $ cp file /does_not_exist/file |
| 135 | cp: cannot create '/does_not_exist/file': Path does not exist |
| 136 | $ cp file /vmlinuz/file |
| 137 | cp: cannot stat '/vmlinuz/file': Path has non-directory component |
| 138 | If this feature is not enabled, they will be, respectively: |
Denys Vlasenko | a68bd4b | 2009-10-14 11:52:01 +0200 | [diff] [blame] | 139 | cp: cannot create '/does_not_exist/file': No such file or directory |
Denis Vlasenko | d5fe880 | 2008-02-13 16:52:00 +0000 | [diff] [blame] | 140 | cp: cannot stat '/vmlinuz/file': Not a directory |
Denis Vlasenko | d5fe880 | 2008-02-13 16:52:00 +0000 | [diff] [blame] | 141 | This will cost you ~60 bytes. |
| 142 | |
Denis Vlasenko | 4c13922 | 2007-12-02 03:27:42 +0000 | [diff] [blame] | 143 | config FEATURE_COPYBUF_KB |
| 144 | int "Copy buffer size, in kilobytes" |
| 145 | range 1 1024 |
| 146 | default 4 |
| 147 | help |
| 148 | Size of buffer used by cp, mv, install etc. |
| 149 | Buffers which are 4 kb or less will be allocated on stack. |
| 150 | Bigger buffers will be allocated with mmap, with fallback to 4 kb |
| 151 | stack buffer if mmap fails. |
| 152 | |
Denis Vlasenko | 459be35 | 2007-06-17 19:09:05 +0000 | [diff] [blame] | 153 | config MONOTONIC_SYSCALL |
| 154 | bool "Use clock_gettime(CLOCK_MONOTONIC) syscall" |
Denys Vlasenko | 2f32bf8 | 2010-06-06 04:14:28 +0200 | [diff] [blame] | 155 | default n |
Jeremie Koenig | 1d7266d | 2010-07-19 00:44:56 +0200 | [diff] [blame] | 156 | depends on PLATFORM_LINUX |
Denis Vlasenko | 459be35 | 2007-06-17 19:09:05 +0000 | [diff] [blame] | 157 | help |
| 158 | Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring |
| 159 | time intervals (time, ping, traceroute etc need this). |
| 160 | Probably requires Linux 2.6+. If not selected, gettimeofday |
| 161 | will be used instead (which gives wrong results if date/time |
| 162 | is reset). |
| 163 | |
Denis Vlasenko | fb79a2e | 2007-07-14 22:07:14 +0000 | [diff] [blame] | 164 | config IOCTL_HEX2STR_ERROR |
| 165 | bool "Use ioctl names rather than hex values in error messages" |
| 166 | default y |
| 167 | help |
| 168 | Use ioctl names rather than hex values in error messages |
| 169 | (e.g. VT_DISALLOCATE rather than 0x5608). If disabled this |
| 170 | saves about 1400 bytes. |
Bernhard Reutner-Fischer | f3b778a | 2008-05-16 16:10:31 +0000 | [diff] [blame] | 171 | |
| 172 | config FEATURE_HWIB |
| 173 | bool "Support infiniband HW" |
| 174 | default y |
| 175 | help |
| 176 | Support for printing infiniband addresses in |
| 177 | network applets. |
Denys Vlasenko | bcbd37d | 2009-06-18 13:23:58 +0200 | [diff] [blame] | 178 | |
Rob Landley | 5cf7c2d | 2006-02-21 06:44:43 +0000 | [diff] [blame] | 179 | endmenu |