bool
default y
+menu "Busybox Settings"
+
menu "General Configuration"
choice
endchoice
+config CONFIG_SHOW_USAGE
+ bool "Show terse applet usage messages"
+ default y
+ help
+ All BusyBox applets will show help messages when invoked with
+ wrong arguments. You can turn off printing these terse usage
+ messages if you say no here.
+ This will save you up to 7k.
+
config CONFIG_FEATURE_VERBOSE_USAGE
bool "Show verbose applet usage messages"
default n
+ select CONFIG_SHOW_USAGE
help
All BusyBox applets will show more verbose help messages when
busybox is invoked with --help. This will add a lot of text to the
busybox binary. In the default configuration, this will add about
13k, but it can add much more depending on your configuration.
+config CONFIG_FEATURE_COMPRESS_USAGE
+ bool "Store applet usage messages in compressed form"
+ default y
+ depends on CONFIG_SHOW_USAGE
+ help
+ Store usage messages in compressed form, uncompress them on-the-fly
+ when <applet> --help is called.
+
config CONFIG_FEATURE_INSTALLER
bool "Support --install [-s] to install applet links at runtime"
default n
bool "Clean up all memory before exiting (usually not needed)"
default n
help
- As a size optimization, busybox by default does not cleanup memory
- that is dynamically allocated or close files before exiting. This
- saves space and is usually not needed since the OS will clean up for
- us. Don't enable this unless you have a really good reason to clean
+ 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.
config CONFIG_FEATURE_SUID
bool "Support NSA Security Enhanced Linux"
default n
help
- Enable support for SE Linux in applets ls, ps, and id. Also provide
- the option of compiling in SE Linux applets.
+ 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 SE Linux Full Userland installed, this
- stuff will not compile. Go visit
+ If you do not have a complete SELinux userland installed, this stuff
+ will not compile. Go visit
http://www.nsa.gov/selinux/index.html
- to download the necessary stuff to allow busybox to compile with this
- option enabled.
+ to download the necessary stuff to allow busybox to compile with
+ this option enabled. 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'.
Most people will leave this set to 'N'.
+config CONFIG_BUILD_LIBBUSYBOX
+ bool "Build shared libbusybox"
+ default y
+ help
+ Build a shared library libbusybox.so which contains all
+ libraries used inside busybox.
+
+config CONFIG_FEATURE_FULL_LIBBUSYBOX
+ bool "Feature-complete libbusybox"
+ default n if !CONFIG_FEATURE_SHARED_BUSYBOX
+ depends on CONFIG_BUILD_LIBBUSYBOX
+ help
+ Build a libbusybox with the complete feature-set, disregarding
+ the actually selected config.
+
+ Normally, libbusybox will only contain the features which are
+ used by busybox itself. If you plan to write a separate
+ standalone application which uses libbusybox say 'Y'.
+
+ Note: libbusybox is GPL, not LGPL, and exports no stable API that
+ might act as a copyright barrier. We can and will modify the
+ exported function set between releases (even minor version number
+ changes), and happily break out-of-tree features.
+
+ Say 'N' if in doubt.
+
+config CONFIG_FEATURE_SHARED_BUSYBOX
+ bool "Use shared libbusybox for busybox"
+ default y if CONFIG_BUILD_LIBBUSYBOX
+ depends on !CONFIG_STATIC && CONFIG_BUILD_LIBBUSYBOX
+ help
+ Use libbusybox.so also for busybox itself.
+ You need to have a working dynamic linker to use this variant.
+
config CONFIG_LFS
bool "Build with Large File Support (for accessing files > 2 GB)"
default n
if you want to add some simple compiler switches (like -march=i686),
or check for warnings using -Werror, just those options here.
-config CONFIG_FEATURE_SUSv2
- bool "Enable features that are in SuSv2 but not SuSv3?"
- default y
+config 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.
+
+endmenu
+
+menu 'Debugging Options'
+
+config CONFIG_DEBUG
+ bool "Build BusyBox with Debugging symbols"
+ default n
+ help
+ Say Y here if you wish to compile BusyBox with debugging symbols.
+ This will allow you to use a debugger to examine BusyBox internals
+ while applets are running. This increases the size of the binary
+ considerably and should only be used when doing development.
+ If you are doing development and want to debug BusyBox, answer Y.
+
+ Most people should answer N.
+
+choice
+ prompt "Additional debugging library"
+ default CONFIG_NO_DEBUG_LIB
+ depends on CONFIG_DEBUG
help
- This option will enable backwards compatability with SuSv2,
- specifically, numeric options such as 'head -1 <file>' will be
- supported.
+ Using an additional debugging library will make BusyBox become
+ considerable 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 considerable larger
+ and run slower, so you should leave this option disabled unless
+ you are hunting a hard to find memory problem.
+
+
+config CONFIG_NO_DEBUG_LIB
+ bool "None"
+
+config CONFIG_DMALLOC
+ bool "Dmalloc"
+
+config CONFIG_EFENCE
+ bool "Electric-fence"
-config CONFIG_FEATURE_SUSv2_OBSOLETE
- bool "Enable features that are obsolete in SuSv2"
- depends on CONFIG_FEATURE_SUSv2
+endchoice
+
+config CONFIG_DEBUG_YANK_SUSv2
+ bool "Disable obsolete features removed before SUSv3?"
default y
help
- Disables support for numeric arguments in fold.
+ This option will disable backwards compatibility with SuSv2,
+ specifically, old-style numeric options ('command -1 <file>')
+ will not be supported in head, tail, and fold. (Note: should
+ yank from renice too.)
endmenu
help
Define your directory to install BusyBox files/subdirs in.
+endmenu
+source libbb/Config.in
endmenu
+comment "Applets"
+
source archival/Config.in
source coreutils/Config.in
source console-tools/Config.in
source debianutils/Config.in
-source e2fsprogs/Config.in
source editors/Config.in
source findutils/Config.in
source init/Config.in
source loginutils/Config.in
-source miscutils/Config.in
+source e2fsprogs/Config.in
source modutils/Config.in
+source util-linux/Config.in
+source miscutils/Config.in
source networking/Config.in
source procps/Config.in
source shell/Config.in
source sysklogd/Config.in
-source util-linux/Config.in
-
-menu 'Debugging Options'
-
-config CONFIG_DEBUG
- bool "Build BusyBox with Debugging symbols"
- default n
- help
- Say Y here if you wish to compile BusyBox with debugging symbols.
- This will allow you to use a debugger to examine BusyBox internals
- while applets are running. This increases the size of the binary
- considerably and should only be used when doing development.
- If you are doing development and want to debug BusyBox, answer Y.
-
- Most people should answer N.
-
-choice
- prompt "Additional debugging library"
- default CONFIG_NO_DEBUG_LIB
- depends on CONFIG_DEBUG
- help
- Using an additional debugging library will make BusyBox become
- considerable 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 considerable larger
- and run slower, so you should leave this option disabled unless
- you are hunting a hard to find memory problem.
-
-
-config CONFIG_NO_DEBUG_LIB
- bool "None"
-
-config CONFIG_DMALLOC
- bool "Dmalloc"
-
-config CONFIG_EFENCE
- bool "Electric-fence"
-
-endchoice
-
-
-endmenu
projects / oweals / busybox.git / blobdiff