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
38 //#define BB_FREERAMDISK
39 //#define BB_FSCK_MINIX
66 //#define BB_MKFS_MINIX
88 //#define BB_RPMUNPACK
90 //#define BB_SETKEYCODES
104 #define BB_TRUE_FALSE
106 //#define BB_UUENCODE
107 //#define BB_UUDECODE
111 //#define BB_UNIX2DOS
115 //#define BB_WATCHDOG
122 // End of Applications List
126 // ---------------------------------------------------------
127 // This is where feature definitions go. Generally speaking,
128 // turning this stuff off makes things a bit smaller (and less
132 // BusyBox will, by default, malloc space for its buffers. This costs code
133 // size for the call to xmalloc. You can use the following feature to have
134 // them put on the stack. For some very small machines with limited stack
135 // space, this can be deadly. For most folks, this works just fine...
136 //#define BB_FEATURE_BUFFERS_GO_ON_STACK
138 // Turn this on to use Erik's very cool devps, and devmtab kernel drivers,
139 // thereby eliminating the need for the /proc filesystem and thereby saving
140 // lots and lots memory for more important things. You can not use this and
141 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
142 // _must_ have patched the kernel to include the devps patch that is included
143 // in the busybox/kernel-patches directory. You will also need to create some
144 // device special files in /dev on your embedded system:
145 // mknod /dev/mtab c 10 22
146 // mknod /dev/ps c 10 21
147 // I emailed Linus and this patch will not be going into the stock kernel.
148 //#define BB_FEATURE_USE_DEVPS_PATCH
150 // enable features that use the /proc filesystem (apps that
151 // break without this will tell you on compile)...
152 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
153 // at the same time...
154 #define BB_FEATURE_USE_PROCFS
156 // This compiles out everything but the most
157 // trivial --help usage information (i.e. reduces binary size)
158 //#define BB_FEATURE_TRIVIAL_HELP
160 // Use termios to manipulate the screen ('more' is prettier with this on)
161 #define BB_FEATURE_USE_TERMIOS
163 // calculate terminal & column widths (for more and ls)
164 #define BB_FEATURE_AUTOWIDTH
166 // show username/groupnames (bypasses libc6 NSS) for ls
167 #define BB_FEATURE_LS_USERNAME
169 // show file timestamps in ls
170 #define BB_FEATURE_LS_TIMESTAMPS
172 // enable ls -p and -F
173 #define BB_FEATURE_LS_FILETYPES
175 // sort the file names
176 #define BB_FEATURE_LS_SORTFILES
179 #define BB_FEATURE_LS_RECURSIVE
182 #define BB_FEATURE_LS_FOLLOWLINKS
184 // Change ping implementation -- simplified, featureless, but really small.
185 //#define BB_FEATURE_SIMPLE_PING
187 // Make init use a simplified /etc/inittab file (recommended).
188 #define BB_FEATURE_USE_INITTAB
190 //Enable init being called as /linuxrc
191 #define BB_FEATURE_LINUXRC
193 //Have init enable core dumping for child processes (for debugging only)
194 //#define BB_FEATURE_INIT_COREDUMPS
196 // Allow init to permenently chroot, and umount the old root fs
197 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
198 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
199 //#define BB_FEATURE_INIT_CHROOT
201 //Make sure nothing is printed to the console on boot
202 //#define BB_FEATURE_EXTRA_QUIET
204 //Should syslogd also provide klogd support?
205 #define BB_FEATURE_KLOGD
207 // enable syslogd -R remotehost
208 #define BB_FEATURE_REMOTE_LOG
210 //Simple tail implementation (2.34k vs 3k for the full one).
211 //Both provide 'tail -f', but this cuts out -c, -q, -s, and -v.
212 #define BB_FEATURE_SIMPLE_TAIL
214 // Enable support for loop devices in mount
215 #define BB_FEATURE_MOUNT_LOOP
217 // Enable support for a real /etc/mtab file instead of /proc/mounts
218 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
220 // Enable support for mounting remote NFS volumes.
221 // You may need to mount with "-o nolock" if you are
222 // not running a local portmapper daemon...
223 #define BB_FEATURE_NFSMOUNT
225 // Enable support forced filesystem unmounting
226 // (i.e. in case of an unreachable NFS system).
227 #define BB_FEATURE_MOUNT_FORCE
229 // Enable support for creation of tar files.
230 #define BB_FEATURE_TAR_CREATE
232 // Enable support for "--exclude" and "-X" for excluding files
233 #define BB_FEATURE_TAR_EXCLUDE
235 // Enable support for tar -z option (currently only works for inflating)
236 #define BB_FEATURE_TAR_GZIP
238 //// Enable reverse sort
239 #define BB_FEATURE_SORT_REVERSE
241 // Enable command line editing in the shell.
242 // Only relevant if BB_SH is enabled.
243 #define BB_FEATURE_SH_COMMAND_EDITING
245 //Allow the shell to invoke all the compiled in BusyBox applets as if they
246 //were shell builtins. Nice for staticly linking an emergency rescue shell,
247 //among other things.
248 // Only relevant if BB_SH is enabled.
249 #define BB_FEATURE_SH_STANDALONE_SHELL
251 //When this is enabled, busybox shell applets can be called using full path
252 //names. This causes applets (i.e., most busybox commands) to override
253 //real commands on the filesystem. For example, if you run run /bin/cat, it
254 //will use BusyBox cat even if /bin/cat exists on the filesystem and is _not_
255 //busybox. Some systems want this, others do not. Choose wisely. :-) This
256 //only has meaning when BB_FEATURE_SH_STANDALONE_SHELL is enabled.
257 // Only relevant if BB_SH is enabled.
258 //BB_FEATURE_SH_APPLETS_ALWAYS_WIN
260 // Enable tab completion in the shell (not yet
261 // working very well -- so don't turn this on)
262 // Only relevant if BB_SH is enabled.
263 #define BB_FEATURE_SH_TAB_COMPLETION
265 // Attempts to match usernames in a ~-prefixed path
266 // XXX: Doesn't work without NSS, off by default
267 //#define BB_FEATURE_USERNAME_COMPLETION /* require NSS */
269 //Turn on extra fbset options
270 //#define BB_FEATURE_FBSET_FANCY
272 //Turn on fbset readmode support
273 //#define BB_FEATURE_FBSET_READMODE
275 // Support insmod/lsmod/rmmod for post 2.1 kernels
276 //#define BB_FEATURE_NEW_MODULE_INTERFACE
278 // Support insmod/lsmod/rmmod for pre 2.1 kernels
279 //#define BB_FEATURE_OLD_MODULE_INTERFACE
281 // Support module version checking
282 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
284 // Support for Minix filesystem, version 2
285 //#define BB_FEATURE_MINIX2
288 // Enable busybox --install [-s]
289 // to create links (or symlinks) for all the commands that are
290 // compiled into the binary. (needs /proc filesystem)
291 // #define BB_FEATURE_INSTALLER
293 // Enable a nifty progress meter in wget (adds just under 2k)
294 #define BB_FEATURE_WGET_STATUSBAR
296 // Clean up all memory before exiting -- usually not needed
297 // as the OS can clean up... Don't enable this unless you
298 // have a really good reason for cleaning things up manually.
299 //#define BB_FEATURE_CLEAN_UP
301 // Support for human readable output by ls, du, etc.(example 13k, 23M, 235G)
302 #define BB_FEATURE_HUMAN_READABLE
304 // End of Features List
311 //---------------------------------------------------
312 // Nothing beyond this point should ever be touched by
313 // mere mortals so leave this stuff alone.
315 #if defined BB_MOUNT || defined BB_UMOUNT || defined BB_DF
316 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
323 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
335 #undef BB_FEATURE_LINUXRC
351 #ifndef BB_FEATURE_TAR_GZIP
352 #define BB_FEATURE_TAR_GZIP
357 #ifdef BB_FEATURE_TAR_GZIP
364 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
368 #if defined BB_FEATURE_SH_COMMAND_EDITING
369 #ifndef BB_FEATURE_USE_TERMIOS
370 #define BB_FEATURE_USE_TERMIOS
374 #if defined BB_FEATURE_AUTOWIDTH
375 #ifndef BB_FEATURE_USE_TERMIOS
376 #define BB_FEATURE_USE_TERMIOS
380 #if defined BB_INSMOD || defined BB_LSMOD
381 #ifndef BB_FEATURE_NEW_MODULE_INTERFACE
382 #define BB_FEATURE_NEW_MODULE_INTERFACE