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
39 #define BB_FREERAMDISK
95 #define BB_SETKEYCODES
111 #define BB_TRUE_FALSE
128 // End of Applications List
133 // This is where feature definitions go. Generally speaking,
134 // turning this stuff off makes things a bit smaller (and less
138 // BusyBox will, by default, malloc space for its buffers. This costs code
139 // size for the call to xmalloc. You can use the following feature to have
140 // them put on the stack. For some very small machines with limited stack
141 // space, this can be deadly. For most folks, this works just fine...
142 //#define BB_FEATURE_BUFFERS_GO_ON_STACK
144 // Turn this on to use Erik's very cool devps, and devmtab kernel drivers,
145 // thereby eliminating the need for the /proc filesystem and thereby saving
146 // lots and lots memory for more important things. NOTE: If you enable this
147 // feature, you _must_ have patched the kernel to include the devps patch that
148 // is included in the busybox/kernel-patches directory. You will also need to
149 // create some device special files in /dev on your embedded system:
150 // mknod /dev/mtab c 10 22
151 // mknod /dev/ps c 10 21
152 // I emailed Linus and this patch will not be going into the stock kernel.
153 //#define BB_FEATURE_USE_DEVPS_PATCH
155 // This compiles out everything but the most
156 // trivial --help usage information (i.e. reduces binary size)
157 //#define BB_FEATURE_TRIVIAL_HELP
159 // Use termios to manipulate the screen ('more' is prettier with this on)
160 #define BB_FEATURE_USE_TERMIOS
162 // calculate terminal & column widths (for more and ls)
163 #define BB_FEATURE_AUTOWIDTH
165 // show username/groupnames for ls
166 #define BB_FEATURE_LS_USERNAME
168 // show file timestamps in ls
169 #define BB_FEATURE_LS_TIMESTAMPS
171 // enable ls -p and -F
172 #define BB_FEATURE_LS_FILETYPES
174 // sort the file names
175 #define BB_FEATURE_LS_SORTFILES
178 #define BB_FEATURE_LS_RECURSIVE
181 #define BB_FEATURE_LS_FOLLOWLINKS
183 // Change ping implementation -- simplified, featureless, but really small.
184 //#define BB_FEATURE_SIMPLE_PING
186 // Make init use a simplified /etc/inittab file (recommended).
187 #define BB_FEATURE_USE_INITTAB
189 //Enable init being called as /linuxrc
190 #define BB_FEATURE_LINUXRC
192 //Have init enable core dumping for child processes (for debugging only)
193 //#define BB_FEATURE_INIT_COREDUMPS
195 //Make sure nothing is printed to the console on boot
196 //#define BB_FEATURE_EXTRA_QUIET
198 // enable syslogd -R remotehost
199 #define BB_FEATURE_REMOTE_LOG
202 //#define BB_FEATURE_IPC_SYSLOG
204 //Simple tail implementation (2.34k vs 3k for the full one).
205 //Both provide 'tail -f', but this cuts out -c, -q, -s, and -v.
206 #define BB_FEATURE_SIMPLE_TAIL
208 // Enable support for loop devices in mount
209 #define BB_FEATURE_MOUNT_LOOP
211 // Enable support for a real /etc/mtab file instead of /proc/mounts
212 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
214 // Enable support for mounting remote NFS volumes.
215 // You may need to mount with "-o nolock" if you are
216 // not running a local portmapper daemon...
217 #define BB_FEATURE_NFSMOUNT
219 // Enable support forced filesystem unmounting
220 // (i.e. in case of an unreachable NFS system).
221 #define BB_FEATURE_MOUNT_FORCE
223 // use -i (interactive) flag for rm
224 //#define BB_FEATURE_RM_INTERACTIVE
226 // Enable support for creation of tar files.
227 #define BB_FEATURE_TAR_CREATE
229 // Enable support for "--exclude" and "-X" for excluding files
230 #define BB_FEATURE_TAR_EXCLUDE
232 // Enable support for tar -z option (currently only works for inflating)
233 #define BB_FEATURE_TAR_GZIP
235 //// Enable reverse sort
236 #define BB_FEATURE_SORT_REVERSE
238 // Enable command line editing in the shell.
239 // Only relevant if BB_SH is enabled. On by default.
240 #define BB_FEATURE_COMMAND_EDITING
242 // Enable tab completion in the shell. This is now working quite nicely.
243 // This feature adds a bit over 4k. Only relevant if BB_SH is enabled.
244 #define BB_FEATURE_COMMAND_TAB_COMPLETION
246 // Attempts to match usernames in a ~-prefixed path
247 //#define BB_FEATURE_COMMAND_USERNAME_COMPLETION
249 //Allow the shell to invoke all the compiled in BusyBox applets as if they
250 //were shell builtins. Nice for staticly linking an emergency rescue shell,
251 //among other things. Off by default.
252 // Only relevant if BB_SH is enabled.
253 #define BB_FEATURE_SH_STANDALONE_SHELL
255 //When this is enabled, busybox shell applets can be called using full path
256 //names. This causes applets (i.e., most busybox commands) to override
257 //real commands on the filesystem. For example, if you run run /bin/cat, it
258 //will use BusyBox cat even if /bin/cat exists on the filesystem and is _not_
259 //busybox. Some systems want this, others do not. Choose wisely. :-) This
260 //only has meaning when BB_FEATURE_SH_STANDALONE_SHELL is enabled.
261 // Only relevant if BB_SH is enabled. Off by default.
262 //#define BB_FEATURE_SH_APPLETS_ALWAYS_WIN
264 // Some deeply embedded systems don't have usernames or even hostnames,
265 // and the default prompt can look rather hideous on them. Uncomment
266 // this option for a simpler, path-only prompt (which was the default until
267 // around BusyBox-0.48). On by default.
268 // Only relevant if BB_SH is enabled.
269 #define BB_FEATURE_SH_SIMPLE_PROMPT
271 //Turn on extra fbset options
272 //#define BB_FEATURE_FBSET_FANCY
274 //Turn on fbset readmode support
275 //#define BB_FEATURE_FBSET_READMODE
277 // Support insmod/lsmod/rmmod for post 2.1 kernels
278 #define BB_FEATURE_NEW_MODULE_INTERFACE
280 // Support insmod/lsmod/rmmod for pre 2.1 kernels
281 //#define BB_FEATURE_OLD_MODULE_INTERFACE
283 // Support module version checking
284 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
286 // Support for Minix filesystem, version 2
287 //#define BB_FEATURE_MINIX2
289 // Enable ifconfig status reporting output -- this feature adds 12k.
290 #define BB_FEATURE_IFCONFIG_STATUS
292 // Enable ifconfig slip-specific options "keepalive" and "outfill"
293 #define BB_FEATURE_IFCONFIG_SLIP
295 // Enable ifconfig options "mem_start", "io_addr", and "irq".
296 #define BB_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ
298 // Enable ifconfig option "hw". Currently works for only with "ether".
299 #define BB_FEATURE_IFCONFIG_HW
301 // Enable busybox --install [-s]
302 // to create links (or symlinks) for all the commands that are
303 // compiled into the binary. (needs /proc filesystem)
304 //#define BB_FEATURE_INSTALLER
306 // Enable a nifty progress meter in wget (adds just under 2k)
307 #define BB_FEATURE_WGET_STATUSBAR
309 // Clean up all memory before exiting -- usually not needed
310 // as the OS can clean up... Don't enable this unless you
311 // have a really good reason for cleaning things up manually.
312 //#define BB_FEATURE_CLEAN_UP
314 // Support for human readable output by ls, du, etc.(example 13k, 23M, 235G)
315 #define BB_FEATURE_HUMAN_READABLE
317 // Support for the find -type option.
318 #define BB_FEATURE_FIND_TYPE
320 // Support for the find -perm option.
321 #define BB_FEATURE_FIND_PERM
323 // Support for the find -mtine option.
324 #define BB_FEATURE_FIND_MTIME
326 // Support for the -A -B and -C context flags in grep
327 //#define BB_FEATURE_GREP_CONTEXT
329 // Support for the EGREP applet (alias to the grep applet)
330 //#define BB_FEATURE_GREP_EGREP_ALIAS
332 // Tell tftp what commands that should be supported.
333 #define BB_FEATURE_TFTP_PUT
334 #define BB_FEATURE_TFTP_GET
336 // End of Features List
343 //---------------------------------------------------
344 // Nothing beyond this point should ever be touched by
345 // mere mortals so leave this stuff alone.
347 #if defined BB_MOUNT || defined BB_UMOUNT || defined BB_DF
348 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
356 #if defined BB_FEATURE_COMMAND_EDITING
358 #ifndef BB_FEATURE_USE_TERMIOS
359 #define BB_FEATURE_USE_TERMIOS
362 #undef BB_FEATURE_COMMAND_EDITING
363 #undef BB_FEATURE_COMMAND_TAB_COMPLETION
364 #undef BB_FEATURE_COMMAND_USERNAME_COMPLETION
365 #define BB_FEATURE_SH_SIMPLE_PROMPT
368 #undef BB_FEATURE_COMMAND_EDITING
369 #undef BB_FEATURE_SH_APPLETS_ALWAYS_WIN
370 #undef BB_FEATURE_SH_STANDALONE_SHELL
371 #undef BB_FEATURE_SH_SIMPLE_PROMPT
381 #undef BB_FEATURE_LINUXRC
403 #ifndef BB_FEATURE_TAR_GZIP
404 #define BB_FEATURE_TAR_GZIP
409 #ifdef BB_FEATURE_TAR_GZIP
416 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
420 #if defined BB_IFCONFIG
421 #ifdef BB_FEATURE_IFCONFIG_STATUS
428 #if defined BB_FEATURE_AUTOWIDTH
429 #ifndef BB_FEATURE_USE_TERMIOS
430 #define BB_FEATURE_USE_TERMIOS
434 #if defined BB_INSMOD || defined BB_LSMOD
435 #if ! defined BB_FEATURE_NEW_MODULE_INTERFACE && ! defined BB_FEATURE_OLD_MODULE_INTERFACE
436 #define BB_FEATURE_NEW_MODULE_INTERFACE
441 #if defined BB_FEATURE_IPC_SYSLOG
446 #if defined BB_DOS2UNIX