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openwrtv4/package/utils/busybox/config/Config.in
Hannu Nyman d674422a81 busybox: update to 1.28.2 
Update busybox to 1.28.2, refresh patches and default config.

* modify 230-add_nslookup_lede.patch as opt_complementary was removed
    Also move nslookup_longopts variable declaration to be inside
    the same conditional as the function itself.
* modify 250-date-k-flag.patch to match upstream (opt_complementary)
* remove 600-cve-2017-16544.patch that is upstreamed

Notes about config changes:
* Some applet-specific LONG_OPTIONS config options were removed
* Config help text indentation changed, caused lots of
  text formatting changes for convert_menuconfig.pl
* convert_defaults.pl moved lots of defaults around, summary of
  actual changes below

New applets/features:
---------------------
ARCH
HEXEDIT
MINIPS
NETCAT
NUKE
RESUME
RUN_INIT
SETFATTR

New options:
------------
FEATURE_CATN
FEATURE_CROND_SPECIAL_TIMES
FEATURE_LIBBUSYBOX_STATIC
FEATURE_SETPRIV_CAPABILITIES
FEATURE_SETPRIV_CAPABILITY_NAMES
FEATURE_SETPRIV_DUMP
FEATURE_SH_READ_FRAC
FEATURE_SWAPONOFF_LABEL
FEATURE_VOLUMEID_MINIX
FEATURE_XARGS_SUPPORT_ARGS_FILE
FEATURE_XARGS_SUPPORT_PARALLEL
HUSH_GETOPTS
HUSH_READONLY
HUSH_TIMES

Removed:
--------
FEATURE_HAVE_RPC
MSH

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
2018-04-03 23:26:45 +02:00

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#
# For a description of the syntax of this configuration file,
# see scripts/kbuild/config-language.txt.
#
config BUSYBOX_CONFIG_HAVE_DOT_CONFIG
bool
default BUSYBOX_DEFAULT_HAVE_DOT_CONFIG
menu "Busybox Settings"
config BUSYBOX_CONFIG_DESKTOP
bool "Enable compatibility for full-blown desktop systems"
default BUSYBOX_DEFAULT_DESKTOP
help
Enable applet options and features which are not essential.
Many applet options have dedicated config options to (de)select them
under that applet; this options enables those options which have no
individual config item for them.
Select this if you plan to use busybox on full-blown desktop machine
with common Linux distro, which needs higher level of command-line
compatibility.
If you are preparing your build to be used on an embedded box
where you have tighter control over the entire set of userspace
tools, you can unselect this option for smaller code size.
config BUSYBOX_CONFIG_EXTRA_COMPAT
bool "Provide compatible behavior for rare corner cases (bigger code)"
default BUSYBOX_DEFAULT_EXTRA_COMPAT
help
This option makes grep, sed etc handle rare corner cases
(embedded NUL bytes and such). This makes code bigger and uses
some GNU extensions in libc. You probably only need this option
if you plan to run busybox on desktop.
config BUSYBOX_CONFIG_FEDORA_COMPAT
bool "Building for Fedora distribution"
default BUSYBOX_DEFAULT_FEDORA_COMPAT
help
This option makes some tools behave like they do on Fedora.
At the time of this writing (2017-08) this only affects uname:
normally, uname -p (processor) and uname -i (platform)
are shown as "unknown", but with this option uname -p
shows the same string as uname -m (machine type),
and so does uname -i unless machine type is i486/i586/i686 -
then uname -i shows "i386".
config BUSYBOX_CONFIG_INCLUDE_SUSv2
bool "Enable obsolete features removed before SUSv3"
default BUSYBOX_DEFAULT_INCLUDE_SUSv2
help
This option will enable backwards compatibility with SuSv2,
specifically, old-style numeric options ('command -1 <file>')
will be supported in head, tail, and fold. (Note: should
affect renice too.)
config BUSYBOX_CONFIG_LONG_OPTS
bool "Support --long-options"
default BUSYBOX_DEFAULT_LONG_OPTS
help
Enable this if you want busybox applets to use the gnu --long-option
style, in addition to single character -a -b -c style options.
config BUSYBOX_CONFIG_SHOW_USAGE
bool "Show applet usage messages"
default BUSYBOX_DEFAULT_SHOW_USAGE
help
Enabling this option, applets will show terse help messages
when invoked with wrong arguments.
If you do not want to show any (helpful) usage message when
issuing wrong command syntax, you can say 'N' here,
saving approximately 7k.
config BUSYBOX_CONFIG_FEATURE_VERBOSE_USAGE
bool "Show verbose applet usage messages"
default BUSYBOX_DEFAULT_FEATURE_VERBOSE_USAGE
depends on BUSYBOX_CONFIG_SHOW_USAGE
help
All applets will show verbose help messages when invoked with --help.
This will add a lot of text to the binary.
config BUSYBOX_CONFIG_FEATURE_COMPRESS_USAGE
bool "Store applet usage messages in compressed form"
default BUSYBOX_DEFAULT_FEATURE_COMPRESS_USAGE
depends on BUSYBOX_CONFIG_SHOW_USAGE
help
Store usage messages in .bz2 compressed form, uncompress them
on-the-fly when "APPLET --help" is run.
If you have a really tiny busybox with few applets enabled (and
bunzip2 isn't one of them), the overhead of the decompressor might
be noticeable. Also, if you run executables directly from ROM
and have very little memory, this might not be a win. Otherwise,
you probably want this.
config BUSYBOX_CONFIG_LFS
bool
default BUSYBOX_DEFAULT_LFS
help
If you need to work with large files, enable this option.
This will have no effect if your kernel or your C
library lacks large file support for large files. Some of the
programs that can benefit from large file support include dd, gzip,
cp, mount, tar.
config BUSYBOX_CONFIG_PAM
bool "Support PAM (Pluggable Authentication Modules)"
default BUSYBOX_DEFAULT_PAM
help
Use PAM in some applets (currently login and httpd) instead
of direct access to password database.
config BUSYBOX_CONFIG_FEATURE_DEVPTS
bool "Use the devpts filesystem for Unix98 PTYs"
default BUSYBOX_DEFAULT_FEATURE_DEVPTS
help
Enable if you want to use Unix98 PTY support. If enabled,
busybox will use /dev/ptmx for the master side of the pseudoterminal
and /dev/pts/<number> for the slave side. Otherwise, BSD style
/dev/ttyp<number> will be used. To use this option, you should have
devpts mounted.
config BUSYBOX_CONFIG_FEATURE_UTMP
bool "Support utmp file"
default BUSYBOX_DEFAULT_FEATURE_UTMP
help
The file /var/run/utmp is used to track who is currently logged in.
With this option on, certain applets (getty, login, telnetd etc)
will create and delete entries there.
"who" applet requires this option.
config BUSYBOX_CONFIG_FEATURE_WTMP
bool "Support wtmp file"
default BUSYBOX_DEFAULT_FEATURE_WTMP
depends on BUSYBOX_CONFIG_FEATURE_UTMP
help
The file /var/run/wtmp is used to track when users have logged into
and logged out of the system.
With this option on, certain applets (getty, login, telnetd etc)
will append new entries there.
"last" applet requires this option.
config BUSYBOX_CONFIG_FEATURE_PIDFILE
bool "Support writing pidfiles"
default BUSYBOX_DEFAULT_FEATURE_PIDFILE
help
This option makes some applets (e.g. crond, syslogd, inetd) write
a pidfile at the configured PID_FILE_PATH. It has no effect
on applets which require pidfiles to run.
config BUSYBOX_CONFIG_PID_FILE_PATH
string "Directory for pidfiles"
default BUSYBOX_DEFAULT_PID_FILE_PATH
depends on BUSYBOX_CONFIG_FEATURE_PIDFILE
help
This is the default path where pidfiles are created. Applets which
allow you to set the pidfile path on the command line will override
this value. The option has no effect on applets that require you to
specify a pidfile path.
config BUSYBOX_CONFIG_BUSYBOX
bool "Include busybox applet"
default BUSYBOX_DEFAULT_BUSYBOX
help
The busybox applet provides general help message and allows
the included applets to be listed. It also provides
optional --install command to create applet links. If you unselect
this option, running busybox without any arguments will give
just a cryptic error message:
$ busybox
busybox: applet not found
Running "busybox APPLET [ARGS...]" will still work, of course.
config BUSYBOX_CONFIG_FEATURE_INSTALLER
bool "Support --install [-s] to install applet links at runtime"
default BUSYBOX_DEFAULT_FEATURE_INSTALLER
depends on BUSYBOX_CONFIG_BUSYBOX
help
Enable 'busybox --install [-s]' support. This will allow you to use
busybox at runtime to create hard links or symlinks for all the
applets that are compiled into busybox.
config BUSYBOX_CONFIG_INSTALL_NO_USR
bool "Don't use /usr"
default BUSYBOX_DEFAULT_INSTALL_NO_USR
help
Disable use of /usr. "busybox --install" and "make install"
will install applets only to /bin and /sbin,
never to /usr/bin or /usr/sbin.
config BUSYBOX_CONFIG_FEATURE_SUID
bool "Drop SUID state for most applets"
default BUSYBOX_DEFAULT_FEATURE_SUID
help
With this option you can install the busybox binary belonging
to root with the suid bit set, enabling some applets to perform
root-level operations even when run by ordinary users
(for example, mounting of user mounts in fstab needs this).
With this option enabled, busybox drops privileges for applets
that don't need root access, before entering their main() function.
If you are really paranoid and don't want even initial busybox code
to run under root for every applet, build two busybox binaries with
different applets in them (and the appropriate symlinks pointing
to each binary), and only set the suid bit on the one that needs it.
Some applets which require root rights (need suid bit on the binary
or to be run by root) and will refuse to execute otherwise:
crontab, login, passwd, su, vlock, wall.
The applets which will use root rights if they have them
(via suid bit, or because run by root), but would try to work
without root right nevertheless:
findfs, ping[6], traceroute[6], mount.
Note that if you DO NOT select this option, but DO make busybox
suid root, ALL applets will run under root, which is a huge
security hole (think "cp /some/file /etc/passwd").
config BUSYBOX_CONFIG_FEATURE_SUID_CONFIG
bool "Enable SUID configuration via /etc/busybox.conf"
default BUSYBOX_DEFAULT_FEATURE_SUID_CONFIG
depends on BUSYBOX_CONFIG_FEATURE_SUID
help
Allow the SUID/SGID state of an applet to be determined at runtime
by checking /etc/busybox.conf. (This is sort of a poor man's sudo.)
The format of this file is as follows:
APPLET = [Ssx-][Ssx-][x-] [USER.GROUP]
s: USER or GROUP is allowed to execute APPLET.
APPLET will run under USER or GROUP
(regardless of who's running it).
S: USER or GROUP is NOT allowed to execute APPLET.
APPLET will run under USER or GROUP.
This option is not very sensical.
x: USER/GROUP/others are allowed to execute APPLET.
No UID/GID change will be done when it is run.
-: USER/GROUP/others are not allowed to execute APPLET.
An example might help:
|[SUID]
|su = ssx root.0 # applet su can be run by anyone and runs with
| # euid=0,egid=0
|su = ssx # exactly the same
|
|mount = sx- root.disk # applet mount can be run by root and members
| # of group disk (but not anyone else)
| # and runs with euid=0 (egid is not changed)
|
|cp = --- # disable applet cp for everyone
The file has to be owned by user root, group root and has to be
writeable only by root:
(chown 0.0 /etc/busybox.conf; chmod 600 /etc/busybox.conf)
The busybox executable has to be owned by user root, group
root and has to be setuid root for this to work:
(chown 0.0 /bin/busybox; chmod 4755 /bin/busybox)
Robert 'sandman' Griebl has more information here:
<url: http://www.softforge.de/bb/suid.html >.
config BUSYBOX_CONFIG_FEATURE_SUID_CONFIG_QUIET
bool "Suppress warning message if /etc/busybox.conf is not readable"
default BUSYBOX_DEFAULT_FEATURE_SUID_CONFIG_QUIET
depends on BUSYBOX_CONFIG_FEATURE_SUID_CONFIG
help
/etc/busybox.conf should be readable by the user needing the SUID,
check this option to avoid users to be notified about missing
permissions.
config BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
bool "exec prefers applets"
default BUSYBOX_DEFAULT_FEATURE_PREFER_APPLETS
help
This is an experimental option which directs applets about to
call 'exec' to try and find an applicable busybox applet before
searching the PATH. This is typically done by exec'ing
/proc/self/exe.
This may affect shell, find -exec, xargs and similar applets.
They will use applets even if /bin/APPLET -> busybox link
is missing (or is not a link to busybox). However, this causes
problems in chroot jails without mounted /proc and with ps/top
(command name can be shown as 'exe' for applets started this way).
config BUSYBOX_CONFIG_BUSYBOX_EXEC_PATH
string "Path to busybox executable"
default BUSYBOX_DEFAULT_BUSYBOX_EXEC_PATH
help
When applets need to run other applets, busybox
sometimes needs to exec() itself. When the /proc filesystem is
mounted, /proc/self/exe always points to the currently running
executable. If you haven't got /proc, set this to wherever you
want to run busybox from.
config BUSYBOX_CONFIG_SELINUX
bool "Support NSA Security Enhanced Linux"
default BUSYBOX_DEFAULT_SELINUX
select BUSYBOX_CONFIG_PLATFORM_LINUX
help
Enable support for SELinux in applets ls, ps, and id. Also provide
the option of compiling in SELinux applets.
If you do not have a complete SELinux userland installed, this stuff
will not compile. Specifially, libselinux 1.28 or better is
directly required by busybox. If the installation is located in a
non-standard directory, provide it by invoking make as follows:
CFLAGS=-I<libselinux-include-path> \
LDFLAGS=-L<libselinux-lib-path> \
make
Most people will leave this set to 'N'.
config BUSYBOX_CONFIG_FEATURE_CLEAN_UP
bool "Clean up all memory before exiting (usually not needed)"
default BUSYBOX_DEFAULT_FEATURE_CLEAN_UP
help
As a size optimization, busybox normally exits without explicitly
freeing dynamically allocated memory or closing files. This saves
space since the OS will clean up for us, but it can confuse debuggers
like valgrind, which report tons of memory and resource leaks.
Don't enable this unless you have a really good reason to clean
things up manually.
# These are auto-selected by other options
config BUSYBOX_CONFIG_FEATURE_SYSLOG
bool #No description makes it a hidden option
default BUSYBOX_DEFAULT_FEATURE_SYSLOG
#help
#This option is auto-selected when you select any applet which may
#send its output to syslog. You do not need to select it manually.
config BUSYBOX_CONFIG_PLATFORM_LINUX
bool #No description makes it a hidden option
default BUSYBOX_DEFAULT_PLATFORM_LINUX
#help
#For the most part, busybox requires only POSIX compatibility
#from the target system, but some applets and features use
#Linux-specific interfaces.
#
#This is automatically selected if any applet or feature requires
#Linux-specific interfaces. You do not need to select it manually.
comment 'Build Options'
config BUSYBOX_CONFIG_STATIC
bool "Build static binary (no shared libs)"
default BUSYBOX_DEFAULT_STATIC
help
If you want to build a static binary, which does not use
or require any shared libraries, enable this option.
Static binaries are larger, but do not require functioning
dynamic libraries to be present, which is important if used
as a system rescue tool.
config BUSYBOX_CONFIG_PIE
bool "Build position independent executable"
default BUSYBOX_DEFAULT_PIE
depends on !BUSYBOX_CONFIG_STATIC
help
Hardened code option. PIE binaries are loaded at a different
address at each invocation. This has some overhead,
particularly on x86-32 which is short on registers.
Most people will leave this set to 'N'.
config BUSYBOX_CONFIG_NOMMU
bool "Force NOMMU build"
default BUSYBOX_DEFAULT_NOMMU
help
Busybox tries to detect whether architecture it is being
built against supports MMU or not. If this detection fails,
or if you want to build NOMMU version of busybox for testing,
you may force NOMMU build here.
Most people will leave this set to 'N'.
# PIE can be made to work with BUILD_LIBBUSYBOX, but currently
# build system does not support that
config BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
bool "Build shared libbusybox"
default BUSYBOX_DEFAULT_BUILD_LIBBUSYBOX
depends on !BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS && !BUSYBOX_CONFIG_PIE && !BUSYBOX_CONFIG_STATIC
help
Build a shared library libbusybox.so.N.N.N which contains all
busybox code.
This feature allows every applet to be built as a really tiny
separate executable linked against the library:
|$ size 0_lib/l*
| text data bss dec hex filename
| 939 212 28 1179 49b 0_lib/last
| 939 212 28 1179 49b 0_lib/less
| 919138 8328 1556 929022 e2cfe 0_lib/libbusybox.so.1.N.M
This is useful on NOMMU systems which are not capable
of sharing executables, but are capable of sharing code
in dynamic libraries.
config BUSYBOX_CONFIG_FEATURE_LIBBUSYBOX_STATIC
bool "Pull in all external references into libbusybox"
default BUSYBOX_DEFAULT_FEATURE_LIBBUSYBOX_STATIC
depends on BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
help
Make libbusybox library independent, not using or requiring
any other shared libraries.
config BUSYBOX_CONFIG_FEATURE_INDIVIDUAL
bool "Produce a binary for each applet, linked against libbusybox"
default BUSYBOX_DEFAULT_FEATURE_INDIVIDUAL
depends on BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
help
If your CPU architecture doesn't allow for sharing text/rodata
sections of running binaries, but allows for runtime dynamic
libraries, this option will allow you to reduce memory footprint
when you have many different applets running at once.
If your CPU architecture allows for sharing text/rodata,
having single binary is more optimal.
Each applet will be a tiny program, dynamically linked
against libbusybox.so.N.N.N.
You need to have a working dynamic linker.
config BUSYBOX_CONFIG_FEATURE_SHARED_BUSYBOX
bool "Produce additional busybox binary linked against libbusybox"
default BUSYBOX_DEFAULT_FEATURE_SHARED_BUSYBOX
depends on BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
help
Build busybox, dynamically linked against libbusybox.so.N.N.N.
You need to have a working dynamic linker.
### config BUILD_AT_ONCE
### bool "Compile all sources at once"
### default n
### help
### Normally each source-file is compiled with one invocation of
### the compiler.
### If you set this option, all sources are compiled at once.
### This gives the compiler more opportunities to optimize which can
### result in smaller and/or faster binaries.
###
### Setting this option will consume alot of memory, e.g. if you
### enable all applets with all features, gcc uses more than 300MB
### RAM during compilation of busybox.
###
### This option is most likely only beneficial for newer compilers
### such as gcc-4.1 and above.
###
### Say 'N' unless you know what you are doing.
config BUSYBOX_CONFIG_CROSS_COMPILER_PREFIX
string "Cross compiler prefix"
default BUSYBOX_DEFAULT_CROSS_COMPILER_PREFIX
help
If you want to build busybox with a cross compiler, then you
will need to set this to the cross-compiler prefix, for example,
"i386-uclibc-".
Note that CROSS_COMPILE environment variable or
"make CROSS_COMPILE=xxx ..." will override this selection.
Native builds leave this empty.
config BUSYBOX_CONFIG_SYSROOT
string "Path to sysroot"
default BUSYBOX_DEFAULT_SYSROOT
help
If you want to build busybox with a cross compiler, then you
might also need to specify where /usr/include and /usr/lib
will be found.
For example, busybox can be built against an installed
Android NDK, platform version 9, for ARM ABI with
CONFIG_SYSROOT=/opt/android-ndk/platforms/android-9/arch-arm
Native builds leave this empty.
config BUSYBOX_CONFIG_EXTRA_CFLAGS
string "Additional CFLAGS"
default BUSYBOX_DEFAULT_EXTRA_CFLAGS
help
Additional CFLAGS to pass to the compiler verbatim.
config BUSYBOX_CONFIG_EXTRA_LDFLAGS
string "Additional LDFLAGS"
default BUSYBOX_DEFAULT_EXTRA_LDFLAGS
help
Additional LDFLAGS to pass to the linker verbatim.
config BUSYBOX_CONFIG_EXTRA_LDLIBS
string "Additional LDLIBS"
default BUSYBOX_DEFAULT_EXTRA_LDLIBS
help
Additional LDLIBS to pass to the linker with -l.
config BUSYBOX_CONFIG_USE_PORTABLE_CODE
bool "Avoid using GCC-specific code constructs"
default BUSYBOX_DEFAULT_USE_PORTABLE_CODE
help
Use this option if you are trying to compile busybox with
compiler other than gcc.
If you do use gcc, this option may needlessly increase code size.
comment 'Installation Options ("make install" behavior)'
choice
prompt "What kind of applet links to install"
default BUSYBOX_CONFIG_INSTALL_APPLET_SYMLINKS
help
Choose what kind of links to applets are created by "make install".
config BUSYBOX_CONFIG_INSTALL_APPLET_SYMLINKS
bool "as soft-links"
help
Install applets as soft-links to the busybox binary. This needs some
free inodes on the filesystem, but might help with filesystem
generators that can't cope with hard-links.
config BUSYBOX_CONFIG_INSTALL_APPLET_HARDLINKS
bool "as hard-links"
help
Install applets as hard-links to the busybox binary. This might
count on a filesystem with few inodes.
config BUSYBOX_CONFIG_INSTALL_APPLET_SCRIPT_WRAPPERS
bool "as script wrappers"
help
Install applets as script wrappers that call the busybox binary.
config BUSYBOX_CONFIG_INSTALL_APPLET_DONT
bool "not installed"
help
Do not install applet links. Useful when you plan to use
busybox --install for installing links, or plan to use
a standalone shell and thus don't need applet links.
endchoice
choice
prompt "/bin/sh applet link"
default BUSYBOX_CONFIG_INSTALL_SH_APPLET_SYMLINK
depends on BUSYBOX_CONFIG_INSTALL_APPLET_SCRIPT_WRAPPERS
help
Choose how you install /bin/sh applet link.
config BUSYBOX_CONFIG_INSTALL_SH_APPLET_SYMLINK
bool "as soft-link"
help
Install /bin/sh applet as soft-link to the busybox binary.
config BUSYBOX_CONFIG_INSTALL_SH_APPLET_HARDLINK
bool "as hard-link"
help
Install /bin/sh applet as hard-link to the busybox binary.
config BUSYBOX_CONFIG_INSTALL_SH_APPLET_SCRIPT_WRAPPER
bool "as script wrapper"
help
Install /bin/sh applet as script wrapper that calls
the busybox binary.
endchoice
config BUSYBOX_CONFIG_PREFIX
string "Destination path for 'make install'"
default BUSYBOX_DEFAULT_PREFIX
help
Where "make install" should install busybox binary and links.
comment 'Debugging Options'
config BUSYBOX_CONFIG_DEBUG
bool "Build with debug information"
default BUSYBOX_DEFAULT_DEBUG
help
Say Y here to compile with debug information.
This increases the size of the binary considerably, and
should only be used when doing development.
This adds -g option to gcc command line.
Most people should answer N.
config BUSYBOX_CONFIG_DEBUG_PESSIMIZE
bool "Disable compiler optimizations"
default BUSYBOX_DEFAULT_DEBUG_PESSIMIZE
depends on BUSYBOX_CONFIG_DEBUG
help
The compiler's optimization of source code can eliminate and reorder
code, resulting in an executable that's hard to understand when
stepping through it with a debugger. This switches it off, resulting
in a much bigger executable that more closely matches the source
code.
This replaces -Os/-O2 with -O0 in gcc command line.
config BUSYBOX_CONFIG_DEBUG_SANITIZE
bool "Enable runtime sanitizers (ASAN/LSAN/USAN/etc...)"
default BUSYBOX_DEFAULT_DEBUG_SANITIZE
help
Say Y here if you want to enable runtime sanitizers. These help
catch bad memory accesses (e.g. buffer overflows), but will make
the executable larger and slow down runtime a bit.
This adds -fsanitize=foo options to gcc command line.
If you aren't developing/testing busybox, say N here.
config BUSYBOX_CONFIG_UNIT_TEST
bool "Build unit tests"
default BUSYBOX_DEFAULT_UNIT_TEST
help
Say Y here if you want to build unit tests (both the framework and
test cases) as an applet. This results in bigger code, so you
probably don't want this option in production builds.
config BUSYBOX_CONFIG_WERROR
bool "Abort compilation on any warning"
default BUSYBOX_DEFAULT_WERROR
help
This adds -Werror to gcc command line.
Most people should answer N.
choice
prompt "Additional debugging library"
default BUSYBOX_CONFIG_NO_DEBUG_LIB
help
Using an additional debugging library will make busybox become
considerably larger and will cause it to run more slowly. You
should always leave this option disabled for production use.
dmalloc support:
----------------
This enables compiling with dmalloc ( http://dmalloc.com/ )
which is an excellent public domain mem leak and malloc problem
detector. To enable dmalloc, before running busybox you will
want to properly set your environment, for example:
export DMALLOC_OPTIONS=debug=0x34f47d83,inter=100,log=logfile
The 'debug=' value is generated using the following command
dmalloc -p log-stats -p log-non-free -p log-bad-space \
-p log-elapsed-time -p check-fence -p check-heap \
-p check-lists -p check-blank -p check-funcs -p realloc-copy \
-p allow-free-null
Electric-fence support:
-----------------------
This enables compiling with Electric-fence support. Electric
fence is another very useful malloc debugging library which uses
your computer's virtual memory hardware to detect illegal memory
accesses. This support will make busybox be considerably larger
and run slower, so you should leave this option disabled unless
you are hunting a hard to find memory problem.
config BUSYBOX_CONFIG_NO_DEBUG_LIB
bool "None"
config BUSYBOX_CONFIG_DMALLOC
bool "Dmalloc"
config BUSYBOX_CONFIG_EFENCE
bool "Electric-fence"
endchoice
endmenu
source libbb/Config.in
comment "Applets"
source archival/Config.in
source coreutils/Config.in
source console-tools/Config.in
source debianutils/Config.in
source editors/Config.in
source findutils/Config.in
source init/Config.in
source loginutils/Config.in
source e2fsprogs/Config.in
source modutils/Config.in
source util-linux/Config.in
source miscutils/Config.in
source networking/Config.in
source printutils/Config.in
source mailutils/Config.in
source procps/Config.in
source runit/Config.in
source selinux/Config.in
source shell/Config.in
source sysklogd/Config.in
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