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
36 #define BB_FREERAMDISK
86 #define BB_SETKEYCODES
100 #define BB_TRUE_FALSE
118 // End of Applications List
122 // ---------------------------------------------------------
123 // This is where feature definitions go. Generally speaking,
124 // turning this stuff off makes things a bit smaller (and less
129 // Turn this on to use Erik's very cool devps, devmtab, etc kernel drivers,
130 // thereby eliminating the need for the /proc filesystem and thereby saving
131 // lots and lots memory for more important things. You can not use this and
132 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
133 // _must_ have patched the kernel to include the devps patch that is included
134 // in the busybox/kernel-patches directory. You will also need to create some
135 // device special files in /dev on your embedded system:
136 // mknod /dev/modules c 10 23
137 // mknod /dev/mtab c 10 22
138 // mknod /dev/ps c 10 21
139 // I emailed Linus and this patch will not be going into the stock kernel.
140 //#define BB_FEATURE_USE_DEVPS_PATCH
142 // enable features that use the /proc filesystem (apps that
143 // break without this will tell you on compile)...
144 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
145 // at the same time...
146 #define BB_FEATURE_USE_PROCFS
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 (still a bit buggy)
168 #define BB_FEATURE_LS_SORTFILES
171 #define BB_FEATURE_LS_RECURSIVE
174 #define BB_FEATURE_LS_FOLLOWLINKS
176 // Change ping implementation -- simplified, featureless, but really small.
177 //#define BB_FEATURE_SIMPLE_PING
179 // Make init use a simplified /etc/inittab file (recommended).
180 #define BB_FEATURE_USE_INITTAB
182 //Enable init being called as /linuxrc
183 #define BB_FEATURE_LINUXRC
185 //Have init enable core dumping for child processes (for debugging only)
186 //#define BB_FEATURE_INIT_COREDUMPS
188 // Allow init to permenently chroot, and umount the old root fs
189 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
190 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
191 //#define BB_FEATURE_INIT_CHROOT
193 //Make sure nothing is printed to the console on boot
194 #define BB_FEATURE_EXTRA_QUIET
196 //Should syslogd also provide klogd support?
197 #define BB_FEATURE_KLOGD
199 // enable syslogd -R remotehost
200 #define BB_FEATURE_REMOTE_LOG
202 //Simple tail implementation (2.34k vs 3k for the full one).
203 //Both provide 'tail -f' support (only one file at a time.)
204 #define BB_FEATURE_SIMPLE_TAIL
206 // Enable support for loop devices in mount
207 #define BB_FEATURE_MOUNT_LOOP
209 // Enable support for a real /etc/mtab file instead of /proc/mounts
210 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
212 // Enable support for mounting remote NFS volumes
213 #define BB_FEATURE_NFSMOUNT
215 // Enable support forced filesystem unmounting
216 // (i.e. in case of an unreachable NFS system).
217 #define BB_FEATURE_MOUNT_FORCE
219 // Enable support for creation of tar files.
220 #define BB_FEATURE_TAR_CREATE
222 // Enable support for "--exclude" for excluding files
223 #define BB_FEATURE_TAR_EXCLUDE
225 // Enable support for s///p pattern matching
226 #define BB_FEATURE_SED_PATTERN_SPACE
228 //// Enable reverse sort
229 #define BB_FEATURE_SORT_REVERSE
231 // Enable command line editing in the shell
232 #define BB_FEATURE_SH_COMMAND_EDITING
234 //Allow the shell to invoke all the compiled in BusyBox commands as if they
235 //were shell builtins. Nice for staticly linking an emergency rescue shell
237 #define BB_FEATURE_SH_STANDALONE_SHELL
239 // Enable tab completion in the shell (not yet
240 // working very well -- so don't turn this on)
241 //#define BB_FEATURE_SH_TAB_COMPLETION
243 //Turn on extra fbset options
244 //#define BB_FEATURE_FBSET_FANCY
246 //Turn on fbset readmode support
247 //#define BB_FEATURE_FBSET_READMODE
249 // You must enable one or both of these features
250 // Support installing modules from pre 2.1 kernels
251 //#define BB_FEATURE_INSMOD_OLD_KERNEL
252 // Support installing modules from kernel versions after 2.1.18
253 #define BB_FEATURE_INSMOD_NEW_KERNEL
255 // Support module version checking
256 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
258 // Support for Minix filesystem, version 2
259 //#define BB_FEATURE_MINIX2
262 // Enable busybox --install [-s]
263 // to create links (or symlinks) for all the commands that are
264 // compiled into the binary. (needs /proc filesystem)
265 // #define BB_FEATURE_INSTALLER
267 // Clean up all memory before exiting -- usually not needed
268 // as the OS can clean up... Don't enable this unless you
269 // have a really good reason for cleaning things up manually.
270 //#define BB_FEATURE_CLEAN_UP
272 // End of Features List
279 //---------------------------------------------------
280 // Nothing beyond this point should ever be touched by
281 // mere mortals so leave this stuff alone.
283 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
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