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
88 #define BB_SETKEYCODES
102 #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 (still a bit buggy)
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 #define BB_FEATURE_NFSMOUNT
216 // Enable support forced filesystem unmounting
217 // (i.e. in case of an unreachable NFS system).
218 #define BB_FEATURE_MOUNT_FORCE
220 // Enable support for creation of tar files.
221 #define BB_FEATURE_TAR_CREATE
223 // Enable support for "--exclude" for excluding files
224 #define BB_FEATURE_TAR_EXCLUDE
226 //// Enable reverse sort
227 #define BB_FEATURE_SORT_REVERSE
229 // Enable command line editing in the shell
230 #define BB_FEATURE_SH_COMMAND_EDITING
232 //Allow the shell to invoke all the compiled in BusyBox commands as if they
233 //were shell builtins. Nice for staticly linking an emergency rescue shell
235 #define BB_FEATURE_SH_STANDALONE_SHELL
237 // Enable tab completion in the shell (not yet
238 // working very well -- so don't turn this on)
239 //#define BB_FEATURE_SH_TAB_COMPLETION
241 //Turn on extra fbset options
242 //#define BB_FEATURE_FBSET_FANCY
244 //Turn on fbset readmode support
245 //#define BB_FEATURE_FBSET_READMODE
247 // You must enable one or both of these features
248 // Support installing modules from pre 2.1 kernels
249 //#define BB_FEATURE_INSMOD_OLD_KERNEL
250 // Support installing modules from kernel versions after 2.1.18
251 #define BB_FEATURE_INSMOD_NEW_KERNEL
253 // Support module version checking
254 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
256 // Support for Minix filesystem, version 2
257 //#define BB_FEATURE_MINIX2
260 // Enable busybox --install [-s]
261 // to create links (or symlinks) for all the commands that are
262 // compiled into the binary. (needs /proc filesystem)
263 // #define BB_FEATURE_INSTALLER
265 // Enable a nifty progress meter in wget (adds just under 2k)
266 //#define BB_FEATURE_STATUSBAR
268 // Clean up all memory before exiting -- usually not needed
269 // as the OS can clean up... Don't enable this unless you
270 // have a really good reason for cleaning things up manually.
271 //#define BB_FEATURE_CLEAN_UP
273 // End of Features List
280 //---------------------------------------------------
281 // Nothing beyond this point should ever be touched by
282 // mere mortals so leave this stuff alone.
284 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
288 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
298 #ifdef BB_FEATURE_LINUXRC
311 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
315 #if defined BB_FEATURE_SH_COMMAND_EDITING
316 #ifndef BB_FEATURE_USE_TERMIOS
317 #define BB_FEATURE_USE_TERMIOS
321 #if defined BB_FEATURE_AUTOWIDTH
322 #ifndef BB_FEATURE_USE_TERMIOS
323 #define BB_FEATURE_USE_TERMIOS
327 #if defined BB_INSMOD
328 #ifndef BB_FEATURE_INSMOD_OLD_KERNEL
329 #define BB_FEATURE_INSMOD_NEW_KERNEL