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
23 //#define BB_DEALLOCVT
39 //#define BB_FREERAMDISK
40 //#define BB_FSCK_MINIX
68 //#define BB_MKFS_MINIX
78 //#define BB_PIVOT_ROOT
92 //#define BB_RPMUNPACK
94 //#define BB_SETKEYCODES
109 #define BB_TRUE_FALSE
111 //#define BB_UUENCODE
112 //#define BB_UUDECODE
116 //#define BB_UNIX2DOS
120 //#define BB_WATCHDOG
127 // End of Applications List
131 // ---------------------------------------------------------
132 // This is where feature definitions go. Generally speaking,
133 // turning this stuff off makes things a bit smaller (and less
137 // BusyBox will, by default, malloc space for its buffers. This costs code
138 // size for the call to xmalloc. You can use the following feature to have
139 // them put on the stack. For some very small machines with limited stack
140 // space, this can be deadly. For most folks, this works just fine...
141 //#define BB_FEATURE_BUFFERS_GO_ON_STACK
143 // Turn this on to use Erik's very cool devps, and devmtab kernel drivers,
144 // thereby eliminating the need for the /proc filesystem and thereby saving
145 // lots and lots memory for more important things. You can not use this and
146 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
147 // _must_ have patched the kernel to include the devps patch that is included
148 // in the busybox/kernel-patches directory. You will also need to create some
149 // 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 // enable features that use the /proc filesystem (apps that
156 // break without this will tell you on compile)...
157 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
158 // at the same time...
159 #define BB_FEATURE_USE_PROCFS
161 // This compiles out everything but the most
162 // trivial --help usage information (i.e. reduces binary size)
163 //#define BB_FEATURE_TRIVIAL_HELP
165 // Use termios to manipulate the screen ('more' is prettier with this on)
166 #define BB_FEATURE_USE_TERMIOS
168 // calculate terminal & column widths (for more and ls)
169 #define BB_FEATURE_AUTOWIDTH
171 // show username/groupnames for ls
172 #define BB_FEATURE_LS_USERNAME
174 // show file timestamps in ls
175 #define BB_FEATURE_LS_TIMESTAMPS
177 // enable ls -p and -F
178 #define BB_FEATURE_LS_FILETYPES
180 // sort the file names
181 #define BB_FEATURE_LS_SORTFILES
184 #define BB_FEATURE_LS_RECURSIVE
187 #define BB_FEATURE_LS_FOLLOWLINKS
189 // Change ping implementation -- simplified, featureless, but really small.
190 //#define BB_FEATURE_SIMPLE_PING
192 // Make init use a simplified /etc/inittab file (recommended).
193 #define BB_FEATURE_USE_INITTAB
195 //Enable init being called as /linuxrc
196 #define BB_FEATURE_LINUXRC
198 //Have init enable core dumping for child processes (for debugging only)
199 //#define BB_FEATURE_INIT_COREDUMPS
201 // Allow init to permenently chroot, and umount the old root fs
202 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
203 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
204 //#define BB_FEATURE_INIT_CHROOT
206 //Make sure nothing is printed to the console on boot
207 //#define BB_FEATURE_EXTRA_QUIET
209 //Should syslogd also provide klogd support?
210 #define BB_FEATURE_KLOGD
212 // enable syslogd -R remotehost
213 #define BB_FEATURE_REMOTE_LOG
215 //Simple tail implementation (2.34k vs 3k for the full one).
216 //Both provide 'tail -f', but this cuts out -c, -q, -s, and -v.
217 #define BB_FEATURE_SIMPLE_TAIL
219 // Enable support for loop devices in mount
220 #define BB_FEATURE_MOUNT_LOOP
222 // Enable support for a real /etc/mtab file instead of /proc/mounts
223 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
225 // Enable support for mounting remote NFS volumes.
226 // You may need to mount with "-o nolock" if you are
227 // not running a local portmapper daemon...
228 #define BB_FEATURE_NFSMOUNT
230 // Enable support forced filesystem unmounting
231 // (i.e. in case of an unreachable NFS system).
232 #define BB_FEATURE_MOUNT_FORCE
234 // Enable support for creation of tar files.
235 #define BB_FEATURE_TAR_CREATE
237 // Enable support for "--exclude" and "-X" for excluding files
238 #define BB_FEATURE_TAR_EXCLUDE
240 // Enable support for tar -z option (currently only works for inflating)
241 #define BB_FEATURE_TAR_GZIP
243 //// Enable reverse sort
244 #define BB_FEATURE_SORT_REVERSE
246 // Enable command line editing in the shell.
247 // Only relevant if BB_SH is enabled.
248 #define BB_FEATURE_SH_COMMAND_EDITING
250 //Allow the shell to invoke all the compiled in BusyBox applets as if they
251 //were shell builtins. Nice for staticly linking an emergency rescue shell,
252 //among other things.
253 // Only relevant if BB_SH is enabled.
254 #define BB_FEATURE_SH_STANDALONE_SHELL
256 //When this is enabled, busybox shell applets can be called using full path
257 //names. This causes applets (i.e., most busybox commands) to override
258 //real commands on the filesystem. For example, if you run run /bin/cat, it
259 //will use BusyBox cat even if /bin/cat exists on the filesystem and is _not_
260 //busybox. Some systems want this, others do not. Choose wisely. :-) This
261 //only has meaning when BB_FEATURE_SH_STANDALONE_SHELL is enabled.
262 // Only relevant if BB_SH is enabled.
263 #define BB_FEATURE_SH_APPLETS_ALWAYS_WIN
265 // Enable tab completion in the shell (not yet
266 // working very well -- so don't turn this on)
267 // Only relevant if BB_SH is enabled.
268 #define BB_FEATURE_SH_TAB_COMPLETION
270 // Enable a simpler shell prompt of the form "path #"
271 // instead of the default "[username@hostname path]#"
273 // Some deeply embedded systems don't have usernames or even hostnames,
274 // and the default prompt can look rather hideous on them. Uncomment
275 // this option for a simpler, path-only prompt (which was the default until
276 // around BusyBox-0.48):
277 #define BB_FEATURE_SH_SIMPLE_PROMPT
279 // Attempts to match usernames in a ~-prefixed path
280 //#define BB_FEATURE_USERNAME_COMPLETION
282 //Turn on extra fbset options
283 //#define BB_FEATURE_FBSET_FANCY
285 //Turn on fbset readmode support
286 //#define BB_FEATURE_FBSET_READMODE
288 // Support insmod/lsmod/rmmod for post 2.1 kernels
289 //#define BB_FEATURE_NEW_MODULE_INTERFACE
291 // Support insmod/lsmod/rmmod for pre 2.1 kernels
292 //#define BB_FEATURE_OLD_MODULE_INTERFACE
294 // Support module version checking
295 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
297 // Support for Minix filesystem, version 2
298 //#define BB_FEATURE_MINIX2
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 // End of Features List
336 //---------------------------------------------------
337 // Nothing beyond this point should ever be touched by
338 // mere mortals so leave this stuff alone.
340 #if defined BB_MOUNT || defined BB_UMOUNT || defined BB_DF
341 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
348 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
360 #undef BB_FEATURE_LINUXRC
376 #ifndef BB_FEATURE_TAR_GZIP
377 #define BB_FEATURE_TAR_GZIP
382 #ifdef BB_FEATURE_TAR_GZIP
389 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
393 #if defined BB_FEATURE_SH_COMMAND_EDITING
394 #ifndef BB_FEATURE_USE_TERMIOS
395 #define BB_FEATURE_USE_TERMIOS
399 #if defined BB_FEATURE_AUTOWIDTH
400 #ifndef BB_FEATURE_USE_TERMIOS
401 #define BB_FEATURE_USE_TERMIOS
405 #if defined BB_INSMOD || defined BB_LSMOD
406 #ifndef BB_FEATURE_NEW_MODULE_INTERFACE
407 #define BB_FEATURE_NEW_MODULE_INTERFACE