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
67 //#define BB_MKFS_MINIX
89 //#define BB_RPMUNPACK
91 //#define BB_SETKEYCODES
105 #define BB_TRUE_FALSE
107 //#define BB_UUENCODE
108 //#define BB_UUDECODE
112 //#define BB_UNIX2DOS
116 //#define BB_WATCHDOG
123 // End of Applications List
127 // ---------------------------------------------------------
128 // This is where feature definitions go. Generally speaking,
129 // turning this stuff off makes things a bit smaller (and less
133 // BusyBox will, by default, malloc space for its buffers. This costs code
134 // size for the call to xmalloc. You can use the following feature to have
135 // them put on the stack. For some very small machines with limited stack
136 // space, this can be deadly. For most folks, this works just fine...
137 //#define BB_FEATURE_BUFFERS_GO_ON_STACK
139 // Turn this on to use Erik's very cool devps, and devmtab kernel drivers,
140 // thereby eliminating the need for the /proc filesystem and thereby saving
141 // lots and lots memory for more important things. You can not use this and
142 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
143 // _must_ have patched the kernel to include the devps patch that is included
144 // in the busybox/kernel-patches directory. You will also need to create some
145 // device special files in /dev on your embedded system:
146 // mknod /dev/mtab c 10 22
147 // mknod /dev/ps c 10 21
148 // I emailed Linus and this patch will not be going into the stock kernel.
149 //#define BB_FEATURE_USE_DEVPS_PATCH
151 // enable features that use the /proc filesystem (apps that
152 // break without this will tell you on compile)...
153 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
154 // at the same time...
155 #define BB_FEATURE_USE_PROCFS
157 // This compiles out everything but the most
158 // trivial --help usage information (i.e. reduces binary size)
159 //#define BB_FEATURE_TRIVIAL_HELP
161 // Use termios to manipulate the screen ('more' is prettier with this on)
162 #define BB_FEATURE_USE_TERMIOS
164 // calculate terminal & column widths (for more and ls)
165 #define BB_FEATURE_AUTOWIDTH
167 // show username/groupnames for ls
168 #define BB_FEATURE_LS_USERNAME
170 // show file timestamps in ls
171 #define BB_FEATURE_LS_TIMESTAMPS
173 // enable ls -p and -F
174 #define BB_FEATURE_LS_FILETYPES
176 // sort the file names
177 #define BB_FEATURE_LS_SORTFILES
180 #define BB_FEATURE_LS_RECURSIVE
183 #define BB_FEATURE_LS_FOLLOWLINKS
185 // Change ping implementation -- simplified, featureless, but really small.
186 //#define BB_FEATURE_SIMPLE_PING
188 // Make init use a simplified /etc/inittab file (recommended).
189 #define BB_FEATURE_USE_INITTAB
191 //Enable init being called as /linuxrc
192 #define BB_FEATURE_LINUXRC
194 //Have init enable core dumping for child processes (for debugging only)
195 //#define BB_FEATURE_INIT_COREDUMPS
197 // Allow init to permenently chroot, and umount the old root fs
198 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
199 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
200 //#define BB_FEATURE_INIT_CHROOT
202 //Make sure nothing is printed to the console on boot
203 //#define BB_FEATURE_EXTRA_QUIET
205 //Should syslogd also provide klogd support?
206 #define BB_FEATURE_KLOGD
208 // enable syslogd -R remotehost
209 #define BB_FEATURE_REMOTE_LOG
211 //Simple tail implementation (2.34k vs 3k for the full one).
212 //Both provide 'tail -f', but this cuts out -c, -q, -s, and -v.
213 #define BB_FEATURE_SIMPLE_TAIL
215 // Enable support for loop devices in mount
216 #define BB_FEATURE_MOUNT_LOOP
218 // Enable support for a real /etc/mtab file instead of /proc/mounts
219 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
221 // Enable support for mounting remote NFS volumes.
222 // You may need to mount with "-o nolock" if you are
223 // not running a local portmapper daemon...
224 #define BB_FEATURE_NFSMOUNT
226 // Enable support forced filesystem unmounting
227 // (i.e. in case of an unreachable NFS system).
228 #define BB_FEATURE_MOUNT_FORCE
230 // Enable support for creation of tar files.
231 #define BB_FEATURE_TAR_CREATE
233 // Enable support for "--exclude" and "-X" for excluding files
234 #define BB_FEATURE_TAR_EXCLUDE
236 // Enable support for tar -z option (currently only works for inflating)
237 #define BB_FEATURE_TAR_GZIP
239 //// Enable reverse sort
240 #define BB_FEATURE_SORT_REVERSE
242 // Enable command line editing in the shell.
243 // Only relevant if BB_SH is enabled.
244 #define BB_FEATURE_SH_COMMAND_EDITING
246 //Allow the shell to invoke all the compiled in BusyBox applets as if they
247 //were shell builtins. Nice for staticly linking an emergency rescue shell,
248 //among other things.
249 // Only relevant if BB_SH is enabled.
250 #define BB_FEATURE_SH_STANDALONE_SHELL
252 //When this is enabled, busybox shell applets can be called using full path
253 //names. This causes applets (i.e., most busybox commands) to override
254 //real commands on the filesystem. For example, if you run run /bin/cat, it
255 //will use BusyBox cat even if /bin/cat exists on the filesystem and is _not_
256 //busybox. Some systems want this, others do not. Choose wisely. :-) This
257 //only has meaning when BB_FEATURE_SH_STANDALONE_SHELL is enabled.
258 // Only relevant if BB_SH is enabled.
259 #define BB_FEATURE_SH_APPLETS_ALWAYS_WIN
261 // Enable tab completion in the shell (not yet
262 // working very well -- so don't turn this on)
263 // Only relevant if BB_SH is enabled.
264 #define BB_FEATURE_SH_TAB_COMPLETION
266 // Enable a simpler shell prompt of the form "path #"
267 // instead of the default "[username@hostname path]#"
269 // Some deeply embedded systems don't have usernames or even hostnames,
270 // and the default prompt can look rather hideous on them. Uncomment
271 // this option for a simpler, path-only prompt (which was the default until
272 // around BusyBox-0.48):
273 #define BB_FEATURE_SH_SIMPLE_PROMPT
275 // Attempts to match usernames in a ~-prefixed path
276 //#define BB_FEATURE_USERNAME_COMPLETION
278 //Turn on extra fbset options
279 //#define BB_FEATURE_FBSET_FANCY
281 //Turn on fbset readmode support
282 //#define BB_FEATURE_FBSET_READMODE
284 // Support insmod/lsmod/rmmod for post 2.1 kernels
285 //#define BB_FEATURE_NEW_MODULE_INTERFACE
287 // Support insmod/lsmod/rmmod for pre 2.1 kernels
288 //#define BB_FEATURE_OLD_MODULE_INTERFACE
290 // Support module version checking
291 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
293 // Support for Minix filesystem, version 2
294 //#define BB_FEATURE_MINIX2
297 // Enable busybox --install [-s]
298 // to create links (or symlinks) for all the commands that are
299 // compiled into the binary. (needs /proc filesystem)
300 // #define BB_FEATURE_INSTALLER
302 // Enable a nifty progress meter in wget (adds just under 2k)
303 #define BB_FEATURE_WGET_STATUSBAR
305 // Clean up all memory before exiting -- usually not needed
306 // as the OS can clean up... Don't enable this unless you
307 // have a really good reason for cleaning things up manually.
308 //#define BB_FEATURE_CLEAN_UP
310 // Support for human readable output by ls, du, etc.(example 13k, 23M, 235G)
311 #define BB_FEATURE_HUMAN_READABLE
313 // Support for the find -type option.
314 #define BB_FEATURE_FIND_TYPE
316 // Support for the find -perm option.
317 #define BB_FEATURE_FIND_PERM
319 // Support for the find -mtine option.
320 #define BB_FEATURE_FIND_MTIME
322 // Support for the -A -B and -C context flags in grep
323 //#define BB_FEATURE_GREP_CONTEXT
325 // End of Features List
332 //---------------------------------------------------
333 // Nothing beyond this point should ever be touched by
334 // mere mortals so leave this stuff alone.
336 #if defined BB_MOUNT || defined BB_UMOUNT || defined BB_DF
337 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
344 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
356 #undef BB_FEATURE_LINUXRC
372 #ifndef BB_FEATURE_TAR_GZIP
373 #define BB_FEATURE_TAR_GZIP
378 #ifdef BB_FEATURE_TAR_GZIP
385 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
389 #if defined BB_FEATURE_SH_COMMAND_EDITING
390 #ifndef BB_FEATURE_USE_TERMIOS
391 #define BB_FEATURE_USE_TERMIOS
395 #if defined BB_FEATURE_AUTOWIDTH
396 #ifndef BB_FEATURE_USE_TERMIOS
397 #define BB_FEATURE_USE_TERMIOS
401 #if defined BB_INSMOD || defined BB_LSMOD
402 #ifndef BB_FEATURE_NEW_MODULE_INTERFACE
403 #define BB_FEATURE_NEW_MODULE_INTERFACE