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
83 #define BB_SETKEYCODES
111 // End of Applications List
115 // ---------------------------------------------------------
116 // This is where feature definitions go. Generally speaking,
117 // turning this stuff off makes things a bit smaller (and less
122 // Turn this on to use Erik's very cool devps, devmtab, etc kernel drivers,
123 // thereby eliminating the need for the /proc filesystem and thereby saving
124 // lots and lots memory for more important things. You can not use this and
125 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
126 // _must_ have patched the kernel to include the devps patch that is included
127 // in the busybox/kernel-patches directory. You will also need to create some
128 // device special files in /dev on your embedded system:
129 // mknod /dev/modules c 10 23
130 // mknod /dev/mtab c 10 22
131 // mknod /dev/ps c 10 21
132 // I emailed Linus and this patch will not be going into the stock kernel.
133 //#define BB_FEATURE_USE_DEVPS_PATCH
135 // enable features that use the /proc filesystem (apps that
136 // break without this will tell you on compile)...
137 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
138 // at the same time...
139 #define BB_FEATURE_USE_PROCFS
141 // Enable full regular expressions. This adds about
142 // 4k. When this is off, things that would normally
143 // use regualr expressions (like grep) will just use
145 #define BB_FEATURE_FULL_REGULAR_EXPRESSIONS
147 // This compiles out everything but the most
148 // trivial --help usage information (i.e. reduces binary size)
149 //#define BB_FEATURE_TRIVIAL_HELP
151 // Use termios to manipulate the screen ('more' is prettier with this on)
152 #define BB_FEATURE_USE_TERMIOS
154 // calculate terminal & column widths (for more and ls)
155 #define BB_FEATURE_AUTOWIDTH
157 // show username/groupnames (bypasses libc6 NSS) for ls
158 #define BB_FEATURE_LS_USERNAME
160 // show file timestamps in ls
161 #define BB_FEATURE_LS_TIMESTAMPS
163 // enable ls -p and -F
164 #define BB_FEATURE_LS_FILETYPES
166 // sort the file names
167 #define BB_FEATURE_LS_SORTFILES
170 #define BB_FEATURE_LS_RECURSIVE
172 // Change ping implementation -- simplified, featureless, but really small.
173 //#define BB_FEATURE_SIMPLE_PING
175 // Make init use a simplified /etc/inittab file (recommended).
176 #define BB_FEATURE_USE_INITTAB
178 //Enable init being called as /linuxrc
179 //#define BB_FEATURE_LINUXRC
181 //Have init enable core dumping for child processes (for debugging only)
182 //#define BB_FEATURE_INIT_COREDUMPS
184 // Allow init to permenently chroot, and umount the old root fs
185 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
186 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
187 //#define BB_FEATURE_INIT_CHROOT
189 //Make sure nothing is printed to the console on boot
190 #define BB_FEATURE_EXTRA_QUIET
192 //Should syslogd also provide klogd support?
193 #define BB_FEATURE_KLOGD
195 // enable syslogd -R remotehost
196 #define BB_FEATURE_REMOTE_LOG
198 //Simple tail implementation (2.34k vs 3k for the full one).
199 //Both provide 'tail -f' support (only one file at a time.)
200 #define BB_FEATURE_SIMPLE_TAIL
202 // Enable support for loop devices in mount
203 #define BB_FEATURE_MOUNT_LOOP
205 // Enable support for a real /etc/mtab file instead of /proc/mounts
206 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
208 // Enable support for mounting remote NFS volumes
209 //#define BB_FEATURE_NFSMOUNT
211 // Enable support forced filesystem unmounting
212 // (i.e. in case of an unreachable NFS system).
213 #define BB_FEATURE_MOUNT_FORCE
215 // Enable support for creation of tar files.
216 #define BB_FEATURE_TAR_CREATE
218 // Enable support for "--exclude" for excluding files
219 #define BB_FEATURE_TAR_EXCLUDE
221 // Enable support for s///p pattern matching
222 #define BB_FEATURE_SED_PATTERN_SPACE
224 //// Enable reverse sort
225 #define BB_FEATURE_SORT_REVERSE
227 // Enable command line editing in the shell
228 #define BB_FEATURE_SH_COMMAND_EDITING
230 //Allow the shell to invoke all the compiled in BusyBox commands as if they
231 //were shell builtins. Nice for staticly linking an emergency rescue shell
232 //amoung other thing.
233 #define BB_FEATURE_SH_STANDALONE_SHELL
235 // Enable tab completion in the shell (not yet
236 // working very well -- so don't turn this on)
237 //#define BB_FEATURE_SH_TAB_COMPLETION
239 //Turn on extra fbset options
240 //#define BB_FEATURE_FBSET_FANCY
242 //Turn on fbset readmode support
243 //#define BB_FEATURE_FBSET_READMODE
245 // You must enable one or both of these features
246 // Support installing modules from pre 2.1 kernels
247 //#define BB_FEATURE_INSMOD_OLD_KERNEL
248 // Support installing modules from kernel versions after 2.1.18
249 #define BB_FEATURE_INSMOD_NEW_KERNEL
251 // Support module version checking
252 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
254 // Support for Minix filesystem, version 2
255 //#define BB_FEATURE_MINIX2
258 // Enable busybox --install [-s]
259 // to create links (or symlinks) for all the commands that are
260 // compiled into the binary. (needs /proc filesystem)
261 // #define BB_FEATURE_INSTALLER
263 // Clean up all memory before exiting -- usually not needed
264 // as the OS can clean up... Don't enable this unless you
265 // have a really good reason for cleaning things up manually.
266 //#define BB_FEATURE_CLEAN_UP
268 // End of Features List
275 //---------------------------------------------------
276 // Nothing beyond this point should ever be touched by
277 // mere mortals so leave this stuff alone.
279 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
283 #if defined BB_FEATURE_FULL_REGULAR_EXPRESSIONS && (defined BB_SED || defined BB_GREP )
287 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
297 #ifdef BB_FEATURE_LINUXRC
310 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
314 #if defined BB_FEATURE_SH_COMMAND_EDITING
315 #ifndef BB_FEATURE_USE_TERMIOS
316 #define BB_FEATURE_USE_TERMIOS
320 #if defined BB_FEATURE_AUTOWIDTH
321 #ifndef BB_FEATURE_USE_TERMIOS
322 #define BB_FEATURE_USE_TERMIOS
326 #if defined BB_INSMOD
327 #ifndef BB_FEATURE_INSMOD_OLD_KERNEL
328 #define BB_FEATURE_INSMOD_NEW_KERNEL