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233 lines
7.4 KiB
Plaintext
233 lines
7.4 KiB
Plaintext
# DO NOT EDIT. This file is generated from Config.src
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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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menu "Busybox Library Tuning"
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config BUSYBOX_CONFIG_FEATURE_SYSTEMD
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bool "Enable systemd support"
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default n
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help
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If you plan to use busybox daemons on a system where daemons
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are controlled by systemd, enable this option.
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If you don't use systemd, it is still safe to enable it,
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but the downside is increased code size.
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config BUSYBOX_CONFIG_FEATURE_RTMINMAX
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bool "Support RTMIN[+n] and RTMAX[-n] signal names"
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default n
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help
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Support RTMIN[+n] and RTMAX[-n] signal names
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in kill, killall etc. This costs ~250 bytes.
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config BUSYBOX_CONFIG_PASSWORD_MINLEN
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int "Minimum password length"
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default 6
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range 5 32
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help
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Minimum allowable password length.
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config BUSYBOX_CONFIG_MD5_SIZE_VS_SPEED
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int "MD5: Trade bytes for speed (0:fast, 3:slow)"
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default 2
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range 0 3
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help
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Trade binary size versus speed for the md5sum algorithm.
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Approximate values running uClibc and hashing
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linux-2.4.4.tar.bz2 were:
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user times (sec) text size (386)
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0 (fastest) 1.1 6144
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1 1.4 5392
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2 3.0 5088
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3 (smallest) 5.1 4912
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config BUSYBOX_CONFIG_FEATURE_FAST_TOP
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bool "Faster /proc scanning code (+100 bytes)"
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default y
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help
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This option makes top (and ps) ~20% faster (or 20% less CPU hungry),
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but code size is slightly bigger.
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config BUSYBOX_CONFIG_FEATURE_ETC_NETWORKS
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bool "Support for /etc/networks"
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default n
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help
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Enable support for network names in /etc/networks. This is
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a rarely used feature which allows you to use names
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instead of IP/mask pairs in route command.
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config BUSYBOX_CONFIG_FEATURE_USE_TERMIOS
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bool "Use termios to manipulate the screen"
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default n
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depends on BUSYBOX_CONFIG_MORE || BUSYBOX_CONFIG_TOP || BUSYBOX_CONFIG_POWERTOP
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help
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This option allows utilities such as 'more' and 'top' to determine
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the size of the screen. If you leave this disabled, your utilities
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that display things on the screen will be especially primitive and
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will be unable to determine the current screen size, and will be
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unable to move the cursor.
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config BUSYBOX_CONFIG_FEATURE_EDITING
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bool "Command line editing"
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default y
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help
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Enable line editing (mainly for shell command line).
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config BUSYBOX_CONFIG_FEATURE_EDITING_MAX_LEN
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int "Maximum length of input"
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range 128 8192
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default 512
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depends on BUSYBOX_CONFIG_FEATURE_EDITING
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help
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Line editing code uses on-stack buffers for storage.
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You may want to decrease this parameter if your target machine
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benefits from smaller stack usage.
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config BUSYBOX_CONFIG_FEATURE_EDITING_VI
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bool "vi-style line editing commands"
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default n
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depends on BUSYBOX_CONFIG_FEATURE_EDITING
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help
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Enable vi-style line editing. In shells, this mode can be
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turned on and off with "set -o vi" and "set +o vi".
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config BUSYBOX_CONFIG_FEATURE_EDITING_HISTORY
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int "History size"
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# Don't allow way too big values here, code uses fixed "char *history[N]" struct member
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range 0 9999
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default 256
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depends on BUSYBOX_CONFIG_FEATURE_EDITING
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help
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Specify command history size (0 - disable).
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config BUSYBOX_CONFIG_FEATURE_EDITING_SAVEHISTORY
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bool "History saving"
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default n
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depends on BUSYBOX_CONFIG_FEATURE_EDITING
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help
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Enable history saving in shells.
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config BUSYBOX_CONFIG_FEATURE_REVERSE_SEARCH
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bool "Reverse history search"
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default n
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depends on BUSYBOX_CONFIG_FEATURE_EDITING_SAVEHISTORY
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help
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Enable readline-like Ctrl-R combination for reverse history search.
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Increases code by about 0.5k.
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config BUSYBOX_CONFIG_FEATURE_TAB_COMPLETION
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bool "Tab completion"
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default y
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depends on BUSYBOX_CONFIG_FEATURE_EDITING
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help
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Enable tab completion.
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config BUSYBOX_CONFIG_FEATURE_USERNAME_COMPLETION
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bool "Username completion"
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default n
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depends on BUSYBOX_CONFIG_FEATURE_TAB_COMPLETION
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help
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Enable username completion.
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config BUSYBOX_CONFIG_FEATURE_EDITING_FANCY_PROMPT
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bool "Fancy shell prompts"
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default y
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depends on BUSYBOX_CONFIG_FEATURE_EDITING
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help
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Setting this option allows for prompts to use things like \w and
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\$ and escape codes.
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config BUSYBOX_CONFIG_FEATURE_EDITING_ASK_TERMINAL
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bool "Query cursor position from terminal"
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default n
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depends on BUSYBOX_CONFIG_FEATURE_EDITING
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help
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Allow usage of "ESC [ 6 n" sequence. Terminal answers back with
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current cursor position. This information is used to make line
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editing more robust in some cases.
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If you are not sure whether your terminals respond to this code
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correctly, or want to save on code size (about 400 bytes),
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then do not turn this option on.
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config BUSYBOX_CONFIG_FEATURE_NON_POSIX_CP
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bool "Non-POSIX, but safer, copying to special nodes"
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default y
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help
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With this option, "cp file symlink" will delete symlink
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and create a regular file. This does not conform to POSIX,
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but prevents a symlink attack.
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Similarly, "cp file device" will not send file's data
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to the device. (To do that, use "cat file >device")
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config BUSYBOX_CONFIG_FEATURE_VERBOSE_CP_MESSAGE
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bool "Give more precise messages when copy fails (cp, mv etc)"
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default n
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help
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Error messages with this feature enabled:
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$ cp file /does_not_exist/file
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cp: cannot create '/does_not_exist/file': Path does not exist
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$ cp file /vmlinuz/file
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cp: cannot stat '/vmlinuz/file': Path has non-directory component
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If this feature is not enabled, they will be, respectively:
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cp: cannot create '/does_not_exist/file': No such file or directory
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cp: cannot stat '/vmlinuz/file': Not a directory
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This will cost you ~60 bytes.
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config BUSYBOX_CONFIG_FEATURE_COPYBUF_KB
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int "Copy buffer size, in kilobytes"
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range 1 1024
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default 4
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help
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Size of buffer used by cp, mv, install, wget etc.
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Buffers which are 4 kb or less will be allocated on stack.
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Bigger buffers will be allocated with mmap, with fallback to 4 kb
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stack buffer if mmap fails.
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config BUSYBOX_CONFIG_FEATURE_SKIP_ROOTFS
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bool "Skip rootfs in mount table"
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default n
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help
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Ignore rootfs entry in mount table.
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In Linux, kernel has a special filesystem, rootfs, which is initially
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mounted on /. It contains initramfs data, if kernel is configured
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to have one. Usually, another file system is mounted over / early
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in boot process, and therefore most tools which manipulate
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mount table, such as df, will skip rootfs entry.
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However, some systems do not mount anything on /.
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If you need to configure busybox for one of these systems,
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you may find useful to turn this option off to make df show
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initramfs statistic.
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Otherwise, choose Y.
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config BUSYBOX_CONFIG_MONOTONIC_SYSCALL
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bool "Use clock_gettime(CLOCK_MONOTONIC) syscall"
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default n
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select BUSYBOX_CONFIG_PLATFORM_LINUX
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help
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Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring
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time intervals (time, ping, traceroute etc need this).
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Probably requires Linux 2.6+. If not selected, gettimeofday
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will be used instead (which gives wrong results if date/time
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is reset).
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config BUSYBOX_CONFIG_IOCTL_HEX2STR_ERROR
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bool "Use ioctl names rather than hex values in error messages"
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default y
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help
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Use ioctl names rather than hex values in error messages
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(e.g. VT_DISALLOCATE rather than 0x5608). If disabled this
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saves about 1400 bytes.
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config BUSYBOX_CONFIG_FEATURE_HWIB
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bool "Support infiniband HW"
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default n
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help
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Support for printing infiniband addresses in
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network applets.
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endmenu
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