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
34 #define BB_FREERAMDISK
84 #define BB_SETKEYCODES
112 // End of Applications List
116 // ---------------------------------------------------------
117 // This is where feature definitions go. Generally speaking,
118 // turning this stuff off makes things a bit smaller (and less
123 // Turn this on to use Erik's very cool devps, devmtab, etc kernel drivers,
124 // thereby eliminating the need for the /proc filesystem and thereby saving
125 // lots and lots memory for more important things. You can not use this and
126 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
127 // _must_ have patched the kernel to include the devps patch that is included
128 // in the busybox/kernel-patches directory. You will also need to create some
129 // device special files in /dev on your embedded system:
130 // mknod /dev/modules c 10 23
131 // mknod /dev/mtab c 10 22
132 // mknod /dev/ps c 10 21
133 // I emailed Linus and this patch will not be going into the stock kernel.
134 //#define BB_FEATURE_USE_DEVPS_PATCH
136 // enable features that use the /proc filesystem (apps that
137 // break without this will tell you on compile)...
138 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
139 // at the same time...
140 #define BB_FEATURE_USE_PROCFS
142 // Enable full regular expressions. This adds about
143 // 4k. When this is off, things that would normally
144 // use regualr expressions (like grep) will just use
146 #define BB_FEATURE_FULL_REGULAR_EXPRESSIONS
148 // This compiles out everything but the most
149 // trivial --help usage information (i.e. reduces binary size)
150 //#define BB_FEATURE_TRIVIAL_HELP
152 // Use termios to manipulate the screen ('more' is prettier with this on)
153 #define BB_FEATURE_USE_TERMIOS
155 // calculate terminal & column widths (for more and ls)
156 #define BB_FEATURE_AUTOWIDTH
158 // show username/groupnames (bypasses libc6 NSS) for ls
159 #define BB_FEATURE_LS_USERNAME
161 // show file timestamps in ls
162 #define BB_FEATURE_LS_TIMESTAMPS
164 // enable ls -p and -F
165 #define BB_FEATURE_LS_FILETYPES
167 // sort the file names
168 #define BB_FEATURE_LS_SORTFILES
171 #define BB_FEATURE_LS_RECURSIVE
173 // Change ping implementation -- simplified, featureless, but really small.
174 //#define BB_FEATURE_SIMPLE_PING
176 // Make init use a simplified /etc/inittab file (recommended).
177 #define BB_FEATURE_USE_INITTAB
179 //Enable init being called as /linuxrc
180 //#define BB_FEATURE_LINUXRC
182 //Have init enable core dumping for child processes (for debugging only)
183 //#define BB_FEATURE_INIT_COREDUMPS
185 // Allow init to permenently chroot, and umount the old root fs
186 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
187 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
188 //#define BB_FEATURE_INIT_CHROOT
190 //Make sure nothing is printed to the console on boot
191 #define BB_FEATURE_EXTRA_QUIET
193 //Should syslogd also provide klogd support?
194 #define BB_FEATURE_KLOGD
196 // enable syslogd -R remotehost
197 #define BB_FEATURE_REMOTE_LOG
199 //Simple tail implementation (2.34k vs 3k for the full one).
200 //Both provide 'tail -f' support (only one file at a time.)
201 #define BB_FEATURE_SIMPLE_TAIL
203 // Enable support for loop devices in mount
204 #define BB_FEATURE_MOUNT_LOOP
206 // Enable support for a real /etc/mtab file instead of /proc/mounts
207 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
209 // Enable support for mounting remote NFS volumes
210 //#define BB_FEATURE_NFSMOUNT
212 // Enable support forced filesystem unmounting
213 // (i.e. in case of an unreachable NFS system).
214 #define BB_FEATURE_MOUNT_FORCE
216 // Enable support for creation of tar files.
217 #define BB_FEATURE_TAR_CREATE
219 // Enable support for "--exclude" for excluding files
220 #define BB_FEATURE_TAR_EXCLUDE
222 // Enable support for s///p pattern matching
223 #define BB_FEATURE_SED_PATTERN_SPACE
225 //// Enable reverse sort
226 #define BB_FEATURE_SORT_REVERSE
228 // Enable command line editing in the shell
229 #define BB_FEATURE_SH_COMMAND_EDITING
231 //Allow the shell to invoke all the compiled in BusyBox commands as if they
232 //were shell builtins. Nice for staticly linking an emergency rescue shell
233 //amoung other thing.
234 #define BB_FEATURE_SH_STANDALONE_SHELL
236 // Enable tab completion in the shell (not yet
237 // working very well -- so don't turn this on)
238 //#define BB_FEATURE_SH_TAB_COMPLETION
240 //Turn on extra fbset options
241 //#define BB_FEATURE_FBSET_FANCY
243 //Turn on fbset readmode support
244 //#define BB_FEATURE_FBSET_READMODE
246 // You must enable one or both of these features
247 // Support installing modules from pre 2.1 kernels
248 //#define BB_FEATURE_INSMOD_OLD_KERNEL
249 // Support installing modules from kernel versions after 2.1.18
250 #define BB_FEATURE_INSMOD_NEW_KERNEL
252 // Support module version checking
253 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
255 // Support for Minix filesystem, version 2
256 //#define BB_FEATURE_MINIX2
259 // Enable busybox --install [-s]
260 // to create links (or symlinks) for all the commands that are
261 // compiled into the binary. (needs /proc filesystem)
262 // #define BB_FEATURE_INSTALLER
264 // Clean up all memory before exiting -- usually not needed
265 // as the OS can clean up... Don't enable this unless you
266 // have a really good reason for cleaning things up manually.
267 //#define BB_FEATURE_CLEAN_UP
269 // End of Features List
276 //---------------------------------------------------
277 // Nothing beyond this point should ever be touched by
278 // mere mortals so leave this stuff alone.
280 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
284 #if defined BB_FEATURE_FULL_REGULAR_EXPRESSIONS && (defined BB_SED || defined BB_GREP )
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