mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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f77b88d124
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@307 3c298f89-4303-0410-b956-a3cf2f4a3e73
294 lines
9.8 KiB
Plaintext
294 lines
9.8 KiB
Plaintext
#
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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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config BUSYBOX_HAVE_DOT_CONFIG
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bool
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default y
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menu "General Configuration"
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choice
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prompt "Buffer allocation policy"
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default BUSYBOX_CONFIG_FEATURE_BUFFERS_GO_ON_STACK
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help
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There are 3 ways BusyBox can handle buffer allocations:
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- Use malloc. This costs code size for the call to xmalloc.
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- Put them on stack. For some very small machines with limited stack
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space, this can be deadly. For most folks, this works just fine.
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- Put them in BSS. This works beautifully for computers with a real
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MMU (and OS support), but wastes runtime RAM for uCLinux. This
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behavior was the only one available for BusyBox versions 0.48 and
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earlier.
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config BUSYBOX_CONFIG_FEATURE_BUFFERS_USE_MALLOC
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bool "Allocate with Malloc"
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config BUSYBOX_CONFIG_FEATURE_BUFFERS_GO_ON_STACK
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bool "Allocate on the Stack"
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config BUSYBOX_CONFIG_FEATURE_BUFFERS_GO_IN_BSS
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bool "Allocate in the .bss section"
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endchoice
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config BUSYBOX_CONFIG_FEATURE_VERBOSE_USAGE
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bool "Show verbose applet usage messages"
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default y
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help
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All BusyBox applets will show more verbose help messages when
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busybox is invoked with --help. This will add a lot of text to the
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busybox binary. In the default configuration, this will add about
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13k, but it can add much more depending on your configuration.
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config BUSYBOX_CONFIG_FEATURE_INSTALLER
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bool "Support --install [-s] to install applet links at runtime"
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default n
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help
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Enable 'busybox --install [-s]' support. This will allow you to use
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busybox at runtime to create hard links or symlinks for all the
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applets that are compiled into busybox. This feature requires the
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/proc filesystem.
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config BUSYBOX_CONFIG_LOCALE_SUPPORT
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bool "Enable locale support (system needs locale for this to work)"
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default n
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help
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Enable this if your system has locale support and you would like
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busybox to support locale settings.
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config BUSYBOX_CONFIG_FEATURE_DEVFS
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bool "Support for devfs"
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default y
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help
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Enable if you want BusyBox to work with devfs.
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config BUSYBOX_CONFIG_FEATURE_DEVPTS
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bool "Use the devpts filesystem for Unix98 PTYs"
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default y if BUSYBOX_CONFIG_FEATURE_DEVFS
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help
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Enable if you want BusyBox to use Unix98 PTY support. If enabled,
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busybox will use /dev/ptmx for the master side of the pseudoterminal
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and /dev/pts/<number> for the slave side. Otherwise, BSD style
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/dev/ttyp<number> will be used. To use this option, you should have
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devpts or devfs mounted.
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config BUSYBOX_CONFIG_FEATURE_CLEAN_UP
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bool "Clean up all memory before exiting (usually not needed)"
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default n
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help
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As a size optimization, busybox by default does not cleanup memory
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that is dynamically allocated or close files before exiting. This
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saves space and is usually not needed since the OS will clean up for
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us. Don't enable this unless you have a really good reason to clean
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things up manually.
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config BUSYBOX_CONFIG_FEATURE_SUID
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bool "Support for SUID/SGID handling"
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default y
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help
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Support SUID and SGID binaries.
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config BUSYBOX_CONFIG_FEATURE_SUID_CONFIG
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bool "Runtime SUID/SGID configuration via /etc/busybox.conf"
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default n if BUSYBOX_CONFIG_FEATURE_SUID
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depends on BUSYBOX_CONFIG_FEATURE_SUID
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help
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Allow the SUID / SGID state of an applet to be determined runtime by
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checking /etc/busybox.conf. The format of this file is as follows:
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<applet> = [Ssx-][Ssx-][x-] (<username>|<uid>).(<groupname>|<gid>)
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An example might help:
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[SUID]
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su = ssx root.0 # applet su can be run by anyone and runs with euid=0/egid=0
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su = ssx # exactly the same
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mount = sx- root.disk # applet mount can be run by root and members of group disk
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# and runs with euid=0
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cp = --- # disable applet cp for everyone
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Robert 'sandman' Griebl has more information here:
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<url: http://www.softforge.de/bb/suid.html >.
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config BUSYBOX_CONFIG_FEATURE_SUID_CONFIG_QUIET
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bool "Suppress warning message if /etc/busybox.conf is not readable"
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default n
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depends on BUSYBOX_CONFIG_FEATURE_SUID_CONFIG
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help
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/etc/busybox.conf should be readable by the user needing the SUID, check
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this option to avoid users to be notified about missing permissions.
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config BUSYBOX_CONFIG_SELINUX
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bool "Support NSA Security Enhanced Linux"
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default n
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help
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Enable support for SE Linux in applets ls, ps, and id. Also provide
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the option of compiling in SE Linux applets.
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If you do not have a complete SE Linux Full Userland installed, this
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stuff will not compile. Go visit
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http://www.nsa.gov/selinux/index.html
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to download the necessary stuff to allow busybox to compile with this
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option enabled.
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Most people will leave this set to 'N'.
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endmenu
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menu 'Build Options'
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config BUSYBOX_CONFIG_STATIC
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bool "Build BusyBox as a static binary (no shared libs)"
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default n
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help
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If you want to build a static BusyBox binary, which does not
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use or require any shared libraries, then enable this option.
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This can cause BusyBox to be considerably larger, so you should
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leave this option false unless you have a good reason (i.e.
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your target platform does not support shared libraries, or
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you are building an initrd which doesn't need anything but
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BusyBox, etc).
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Most people will leave this set to 'N'.
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config BUSYBOX_CONFIG_LFS
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bool
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default y
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select BUSYBOX_FDISK_SUPPORT_LARGE_DISKS
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help
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If you want to build BusyBox with large file support, then enable
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this option. This will have no effect if your kernel or your C
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library lacks large file support for large files. Some of the
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programs that can benefit from large file support include dd, gzip,
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cp, mount, tar, and many others. If you want to access files larger
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than 2 Gigabytes, enable this option. Otherwise, leave it set to 'N'.
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config BUSYBOX_USING_CROSS_COMPILER
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bool
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default y
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help
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Do you want to build BusyBox with a Cross Compiler? If so,
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then enable this option. Otherwise leave it set to 'N'.
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config BUSYBOX_CROSS_COMPILER_PREFIX
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string
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default "mipsel-uclibc-"
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depends on BUSYBOX_USING_CROSS_COMPILER
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help
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If you want to build BusyBox with a cross compiler, then you
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will need to set this to the cross-compiler prefix. For example,
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if my cross-compiler is /usr/i386-linux-uclibc/bin/i386-uclibc-gcc
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then I would enter '/usr/i386-linux-uclibc/bin/i386-uclibc-' here,
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which will ensure the correct compiler is used.
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config BUSYBOX_EXTRA_CFLAGS_OPTIONS
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string
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default "-Os "
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help
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Do you want to pass any extra CFLAGS options to the compiler as
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you build BusyBox? If so, this is the option for you... For example,
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if you want to add some simple compiler switches (like -march=i686),
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or check for warnings using -Werror, just those options here.
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endmenu
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menu 'Installation Options'
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config BUSYBOX_CONFIG_INSTALL_NO_USR
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bool "Don't use /usr"
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default n
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help
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Disable use of /usr. Don't activate this option if you don't know
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that you really want this behaviour.
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config BUSYBOX_PREFIX
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string
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default "./_install"
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help
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Define your directory to install BusyBox files/subdirs in.
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endmenu
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source package/busybox/config/archival/Config.in
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source package/busybox/config/coreutils/Config.in
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source package/busybox/config/console-tools/Config.in
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source package/busybox/config/debianutils/Config.in
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source package/busybox/config/editors/Config.in
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source package/busybox/config/findutils/Config.in
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source package/busybox/config/init/Config.in
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source package/busybox/config/loginutils/Config.in
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source package/busybox/config/miscutils/Config.in
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source package/busybox/config/modutils/Config.in
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source package/busybox/config/networking/Config.in
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source package/busybox/config/procps/Config.in
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source package/busybox/config/shell/Config.in
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source package/busybox/config/sysklogd/Config.in
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source package/busybox/config/util-linux/Config.in
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menu 'Debugging Options'
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config BUSYBOX_CONFIG_DEBUG
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bool "Build BusyBox with Debugging symbols"
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default n
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help
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Say Y here if you wish to compile BusyBox with debugging symbols.
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This will allow you to use a debugger to examine BusyBox internals
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while applets are running. This increases the size of the binary
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considerably and should only be used when doing development.
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If you are doing development and want to debug BusyBox, answer Y.
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Most people should answer N.
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choice
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prompt "Additional debugging library"
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default BUSYBOX_CONFIG_NO_DEBUG_LIB
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depends on BUSYBOX_CONFIG_DEBUG
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help
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Using an additional debugging library will make BusyBox become
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considerable larger and will cause it to run more slowly. You
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should always leave this option disabled for production use.
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dmalloc support:
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----------------
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This enables compiling with dmalloc ( http://dmalloc.com/ )
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which is an excellent public domain mem leak and malloc problem
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detector. To enable dmalloc, before running busybox you will
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want to properly set your environment, for example:
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export DMALLOC_OPTIONS=debug=0x34f47d83,inter=100,log=logfile
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The 'debug=' value is generated using the following command
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dmalloc -p log-stats -p log-non-free -p log-bad-space -p log-elapsed-time \
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-p check-fence -p check-heap -p check-lists -p check-blank \
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-p check-funcs -p realloc-copy -p allow-free-null
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Electric-fence support:
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-----------------------
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This enables compiling with Electric-fence support. Electric
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fence is another very useful malloc debugging library which uses
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your computer's virtual memory hardware to detect illegal memory
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accesses. This support will make BusyBox be considerable larger
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and run slower, so you should leave this option disabled unless
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you are hunting a hard to find memory problem.
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config BUSYBOX_CONFIG_NO_DEBUG_LIB
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bool "None"
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config BUSYBOX_CONFIG_DMALLOC
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bool "Dmalloc"
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config BUSYBOX_CONFIG_EFENCE
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bool "Electric-fence"
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endchoice
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endmenu
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