| 1 | # |
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| 2 | # For a description of the syntax of this configuration file, |
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| 3 | # see scripts/kbuild/config-language.txt. |
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| 4 | # |
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| 5 | |
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| 6 | menu "Busybox Library Tuning" |
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| 7 | |
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| 8 | config PASSWORD_MINLEN |
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| 9 | int "Minimum password length" |
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| 10 | default 6 |
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| 11 | range 5 32 |
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| 12 | help |
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| 13 | Minimum allowable password length. |
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| 14 | |
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| 15 | config MD5_SIZE_VS_SPEED |
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| 16 | int " MD5: Trade Bytes for Speed" |
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| 17 | default 2 |
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| 18 | range 0 3 |
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| 19 | help |
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| 20 | Trade binary size versus speed for the md5sum algorithm. |
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| 21 | Approximate values running uClibc and hashing |
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| 22 | linux-2.4.4.tar.bz2 were: |
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| 23 | user times (sec) text size (386) |
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| 24 | 0 (fastest) 1.1 6144 |
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| 25 | 1 1.4 5392 |
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| 26 | 2 3.0 5088 |
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| 27 | 3 (smallest) 5.1 4912 |
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| 28 | |
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| 29 | config FEATURE_FAST_TOP |
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| 30 | bool "Faster /proc scanning code (+100 bytes)" |
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| 31 | default n |
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| 32 | help |
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| 33 | This option makes top (and ps) ~20% faster (or 20% less CPU hungry), |
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| 34 | but code size is slightly bigger. |
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| 35 | |
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| 36 | config FEATURE_ETC_NETWORKS |
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| 37 | bool "Support for /etc/networks" |
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| 38 | default n |
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| 39 | help |
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| 40 | Enable support for network names in /etc/networks. This is |
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| 41 | a rarely used feature which allows you to use names |
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| 42 | instead of IP/mask pairs in route command. |
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| 43 | |
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| 44 | config FEATURE_EDITING |
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| 45 | bool "Command line editing" |
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| 46 | default n |
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| 47 | help |
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| 48 | Enable line editing (mainly for shell command line). |
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| 49 | |
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| 50 | config FEATURE_EDITING_MAX_LEN |
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| 51 | int "Maximum length of input" |
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| 52 | range 128 8192 |
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| 53 | default 1024 |
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| 54 | depends on FEATURE_EDITING |
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| 55 | help |
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| 56 | Line editing code uses on-stack buffers for storage. |
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| 57 | You may want to decrease this parameter if your target machine |
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| 58 | benefits from smaller stack usage. |
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| 59 | |
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| 60 | config FEATURE_EDITING_FANCY_KEYS |
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| 61 | bool "Additional editing keys" |
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| 62 | default n |
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| 63 | depends on FEATURE_EDITING |
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| 64 | help |
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| 65 | Enable additonal editing keys (Ctrl-E, Ctrl-U etc). |
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| 66 | Arrow keys, Home/End/Delete and Ctrl-W work even without this option. |
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| 67 | |
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| 68 | config FEATURE_EDITING_VI |
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| 69 | bool "vi-style line editing commands" |
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| 70 | default n |
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| 71 | depends on FEATURE_EDITING |
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| 72 | help |
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| 73 | Enable vi-style line editing. In shells, this mode can be |
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| 74 | turned on and off with "set -o vi" and "set +o vi". |
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| 75 | |
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| 76 | config FEATURE_EDITING_HISTORY |
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| 77 | int "History size" |
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| 78 | range 0 99999 |
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| 79 | default 15 |
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| 80 | depends on FEATURE_EDITING |
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| 81 | help |
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| 82 | Specify command history size. |
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| 83 | |
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| 84 | config FEATURE_EDITING_SAVEHISTORY |
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| 85 | bool "History saving" |
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| 86 | default n |
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| 87 | depends on ASH && FEATURE_EDITING |
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| 88 | help |
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| 89 | Enable history saving in ash shell. |
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| 90 | |
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| 91 | config FEATURE_TAB_COMPLETION |
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| 92 | bool "Tab completion" |
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| 93 | default n |
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| 94 | depends on FEATURE_EDITING |
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| 95 | help |
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| 96 | Enable tab completion. |
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| 97 | |
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| 98 | config FEATURE_USERNAME_COMPLETION |
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| 99 | bool "Username completion" |
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| 100 | default n |
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| 101 | depends on FEATURE_TAB_COMPLETION |
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| 102 | help |
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| 103 | Enable username completion. |
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| 104 | |
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| 105 | config FEATURE_EDITING_FANCY_PROMPT |
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| 106 | bool "Fancy shell prompts" |
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| 107 | default n |
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| 108 | depends on FEATURE_EDITING |
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| 109 | help |
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| 110 | Setting this option allows for prompts to use things like \w and |
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| 111 | \$ and escape codes. |
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| 112 | |
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| 113 | config MONOTONIC_SYSCALL |
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| 114 | bool "Use clock_gettime(CLOCK_MONOTONIC) syscall" |
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| 115 | default y |
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| 116 | help |
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| 117 | Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring |
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| 118 | time intervals (time, ping, traceroute etc need this). |
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| 119 | Probably requires Linux 2.6+. If not selected, gettimeofday |
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| 120 | will be used instead (which gives wrong results if date/time |
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| 121 | is reset). |
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| 122 | |
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| 123 | config IOCTL_HEX2STR_ERROR |
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| 124 | bool "Use ioctl names rather than hex values in error messages" |
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| 125 | default y |
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| 126 | help |
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| 127 | Use ioctl names rather than hex values in error messages |
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| 128 | (e.g. VT_DISALLOCATE rather than 0x5608). If disabled this |
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| 129 | saves about 1400 bytes. |
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| 130 | endmenu |
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