1 /* vi: set sw=4 ts=4: */
2 // This file defines the feature set to be compiled into busybox.
3 // When you turn things off here, they won't be compiled in at all.
5 //// This file is parsed by sed. You MUST use single line comments.
6 // i.e. //#define BB_BLAH
9 // BusyBox Applications
13 #define BB_CHMOD_CHOWN_CHGRP
37 #define BB_FREERAMDISK
89 #define BB_SETKEYCODES
103 #define BB_TRUE_FALSE
120 // End of Applications List
124 // ---------------------------------------------------------
125 // This is where feature definitions go. Generally speaking,
126 // turning this stuff off makes things a bit smaller (and less
131 // Turn this on to use Erik's very cool devps, and devmtab kernel drivers,
132 // thereby eliminating the need for the /proc filesystem and thereby saving
133 // lots and lots memory for more important things. You can not use this and
134 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
135 // _must_ have patched the kernel to include the devps patch that is included
136 // in the busybox/kernel-patches directory. You will also need to create some
137 // device special files in /dev on your embedded system:
138 // mknod /dev/mtab c 10 22
139 // mknod /dev/ps c 10 21
140 // I emailed Linus and this patch will not be going into the stock kernel.
141 //#define BB_FEATURE_USE_DEVPS_PATCH
143 // enable features that use the /proc filesystem (apps that
144 // break without this will tell you on compile)...
145 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
146 // at the same time...
147 #define BB_FEATURE_USE_PROCFS
149 // This compiles out everything but the most
150 // trivial --help usage information (i.e. reduces binary size)
151 //#define BB_FEATURE_TRIVIAL_HELP
153 // Use termios to manipulate the screen ('more' is prettier with this on)
154 #define BB_FEATURE_USE_TERMIOS
156 // calculate terminal & column widths (for more and ls)
157 #define BB_FEATURE_AUTOWIDTH
159 // show username/groupnames (bypasses libc6 NSS) for ls
160 #define BB_FEATURE_LS_USERNAME
162 // show file timestamps in ls
163 #define BB_FEATURE_LS_TIMESTAMPS
165 // enable ls -p and -F
166 #define BB_FEATURE_LS_FILETYPES
168 // sort the file names
169 #define BB_FEATURE_LS_SORTFILES
172 #define BB_FEATURE_LS_RECURSIVE
175 #define BB_FEATURE_LS_FOLLOWLINKS
177 // Change ping implementation -- simplified, featureless, but really small.
178 //#define BB_FEATURE_SIMPLE_PING
180 // Make init use a simplified /etc/inittab file (recommended).
181 #define BB_FEATURE_USE_INITTAB
183 //Enable init being called as /linuxrc
184 #define BB_FEATURE_LINUXRC
186 //Have init enable core dumping for child processes (for debugging only)
187 //#define BB_FEATURE_INIT_COREDUMPS
189 // Allow init to permenently chroot, and umount the old root fs
190 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
191 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
192 //#define BB_FEATURE_INIT_CHROOT
194 //Make sure nothing is printed to the console on boot
195 #define BB_FEATURE_EXTRA_QUIET
197 //Should syslogd also provide klogd support?
198 #define BB_FEATURE_KLOGD
200 // enable syslogd -R remotehost
201 #define BB_FEATURE_REMOTE_LOG
203 //Simple tail implementation (2.34k vs 3k for the full one).
204 //Both provide 'tail -f' support (only one file at a time.)
205 #define BB_FEATURE_SIMPLE_TAIL
207 // Enable support for loop devices in mount
208 #define BB_FEATURE_MOUNT_LOOP
210 // Enable support for a real /etc/mtab file instead of /proc/mounts
211 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
213 // Enable support for mounting remote NFS volumes.
214 // You may need to mount with "-o nolock" if you are
215 // not running a local portmapper daemon...
216 #define BB_FEATURE_NFSMOUNT
218 // Enable support forced filesystem unmounting
219 // (i.e. in case of an unreachable NFS system).
220 #define BB_FEATURE_MOUNT_FORCE
222 // Enable support for creation of tar files.
223 #define BB_FEATURE_TAR_CREATE
225 // Enable support for "--exclude" and "-X" for excluding files
226 #define BB_FEATURE_TAR_EXCLUDE
228 // Enable support for tar -z option (currently only works for inflating)
229 #define BB_FEATURE_TAR_GZIP
231 //// Enable reverse sort
232 #define BB_FEATURE_SORT_REVERSE
234 // Enable command line editing in the shell
235 #define BB_FEATURE_SH_COMMAND_EDITING
237 //Allow the shell to invoke all the compiled in BusyBox applets as if they
238 //were shell builtins. Nice for staticly linking an emergency rescue shell,
239 //among other things.
240 #define BB_FEATURE_SH_STANDALONE_SHELL
242 //When this is enabled, busybox shell applets can be called using full path
243 //names. This causes applets (i.e., most busybox commands) to override
244 //real commands on the filesystem. For example, if you run run /bin/cat, it
245 //will use BusyBox cat even if /bin/cat exists on the filesystem and is _not_
246 //busybox. Some systems want this, others do not. Choose wisely. :-) This
247 //only has meaning when BB_FEATURE_SH_STANDALONE_SHELL is enabled.
248 //BB_FEATURE_SH_APPLETS_ALWAYS_WIN
250 // Enable tab completion in the shell (not yet
251 // working very well -- so don't turn this on)
252 //#define BB_FEATURE_SH_TAB_COMPLETION
254 //Turn on extra fbset options
255 //#define BB_FEATURE_FBSET_FANCY
257 //Turn on fbset readmode support
258 //#define BB_FEATURE_FBSET_READMODE
260 // You must enable one or both of these features
261 // Support installing modules from pre 2.1 kernels
262 //#define BB_FEATURE_INSMOD_OLD_KERNEL
263 // Support installing modules from kernel versions after 2.1.18
264 #define BB_FEATURE_INSMOD_NEW_KERNEL
266 // You must enable one or both of these features
267 // Support modules status from pre 2.1 kernels
268 //#define BB_FEATURE_LSMOD_OLD_KERNEL
269 // Support modules status from kernel versions after 2.1.18
270 #define BB_FEATURE_LSMOD_NEW_KERNEL
272 // Support module version checking
273 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
275 // Support for Minix filesystem, version 2
276 //#define BB_FEATURE_MINIX2
279 // Enable busybox --install [-s]
280 // to create links (or symlinks) for all the commands that are
281 // compiled into the binary. (needs /proc filesystem)
282 // #define BB_FEATURE_INSTALLER
284 // Enable a nifty progress meter in wget (adds just under 2k)
285 //#define BB_FEATURE_STATUSBAR
287 // Clean up all memory before exiting -- usually not needed
288 // as the OS can clean up... Don't enable this unless you
289 // have a really good reason for cleaning things up manually.
290 //#define BB_FEATURE_CLEAN_UP
292 // End of Features List
299 //---------------------------------------------------
300 // Nothing beyond this point should ever be touched by
301 // mere mortals so leave this stuff alone.
303 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
307 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
317 #ifdef BB_FEATURE_LINUXRC
330 #ifdef BB_FEATURE_TAR_GZIP
336 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
340 #if defined BB_FEATURE_SH_COMMAND_EDITING
341 #ifndef BB_FEATURE_USE_TERMIOS
342 #define BB_FEATURE_USE_TERMIOS
346 #if defined BB_FEATURE_AUTOWIDTH
347 #ifndef BB_FEATURE_USE_TERMIOS
348 #define BB_FEATURE_USE_TERMIOS
352 #if defined BB_INSMOD
353 #ifndef BB_FEATURE_INSMOD_OLD_KERNEL
354 #define BB_FEATURE_INSMOD_NEW_KERNEL