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
82 #define BB_SETKEYCODES
110 // End of Applications List
114 // ---------------------------------------------------------
115 // This is where feature definitions go. Generally speaking,
116 // turning this stuff off makes things a bit smaller (and less
121 // Turn this on to use Erik's very cool devps, devmtab, etc kernel drivers,
122 // thereby eliminating the need for the /proc filesystem and thereby saving
123 // lots and lots memory for more important things. You can not use this and
124 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
125 // _must_ have patched the kernel to include the devps patch that is included
126 // in the busybox/kernel-patches directory. You will also need to create some
127 // device special files in /dev on your embedded system:
128 // mknod /dev/modules c 10 23
129 // mknod /dev/mtab c 10 22
130 // mknod /dev/ps c 10 21
131 // I emailed Linus and this patch will not be going into the stock kernel.
132 //#define BB_FEATURE_USE_DEVPS_PATCH
134 // enable features that use the /proc filesystem (apps that
135 // break without this will tell you on compile)...
136 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
137 // at the same time...
138 #define BB_FEATURE_USE_PROCFS
140 // Enable full regular expressions. This adds about
141 // 4k. When this is off, things that would normally
142 // use regualr expressions (like grep) will just use
144 #define BB_FEATURE_FULL_REGULAR_EXPRESSIONS
146 // This compiles out everything but the most
147 // trivial --help usage information (i.e. reduces binary size)
148 //#define BB_FEATURE_TRIVIAL_HELP
150 // Use termios to manipulate the screen ('more' is prettier with this on)
151 #define BB_FEATURE_USE_TERMIOS
153 // calculate terminal & column widths (for more and ls)
154 #define BB_FEATURE_AUTOWIDTH
156 // show username/groupnames (bypasses libc6 NSS) for ls
157 #define BB_FEATURE_LS_USERNAME
159 // show file timestamps in ls
160 #define BB_FEATURE_LS_TIMESTAMPS
162 // enable ls -p and -F
163 #define BB_FEATURE_LS_FILETYPES
165 // sort the file names
166 #define BB_FEATURE_LS_SORTFILES
169 #define BB_FEATURE_LS_RECURSIVE
171 // Change ping implementation -- simplified, featureless, but really small.
172 //#define BB_FEATURE_SIMPLE_PING
174 // Make init use a simplified /etc/inittab file (recommended).
175 #define BB_FEATURE_USE_INITTAB
177 //Enable init being called as /linuxrc
178 //#define BB_FEATURE_LINUXRC
180 //Have init enable core dumping for child processes (for debugging only)
181 //#define BB_FEATURE_INIT_COREDUMPS
183 // Allow init to permenently chroot, and umount the old root fs
184 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
185 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
186 //#define BB_FEATURE_INIT_CHROOT
188 //Make sure nothing is printed to the console on boot
189 #define BB_FEATURE_EXTRA_QUIET
191 //Should syslogd also provide klogd support?
192 #define BB_FEATURE_KLOGD
194 // enable syslogd -R remotehost
195 #define BB_FEATURE_REMOTE_LOG
197 //Simple tail implementation (2.34k vs 3k for the full one).
198 //Both provide 'tail -f' support (only one file at a time.)
199 #define BB_FEATURE_SIMPLE_TAIL
201 // Enable support for loop devices in mount
202 #define BB_FEATURE_MOUNT_LOOP
204 // Enable support for a real /etc/mtab file instead of /proc/mounts
205 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
207 // Enable support for mounting remote NFS volumes
208 //#define BB_FEATURE_NFSMOUNT
210 // Enable support forced filesystem unmounting
211 // (i.e. in case of an unreachable NFS system).
212 #define BB_FEATURE_MOUNT_FORCE
214 // Enable support for creation of tar files.
215 #define BB_FEATURE_TAR_CREATE
217 // Enable support for "--exclude" for excluding files
218 #define BB_FEATURE_TAR_EXCLUDE
220 //// Enable reverse sort
221 #define BB_FEATURE_SORT_REVERSE
223 // Enable command line editing in the shell
224 #define BB_FEATURE_SH_COMMAND_EDITING
226 //Allow the shell to invoke all the compiled in BusyBox commands as if they
227 //were shell builtins. Nice for staticly linking an emergency rescue shell
228 //amoung other thing.
229 #define BB_FEATURE_SH_STANDALONE_SHELL
231 // Enable tab completion in the shell (not yet
232 // working very well -- so don't turn this on)
233 //#define BB_FEATURE_SH_TAB_COMPLETION
235 //Turn on extra fbset options
236 //#define BB_FEATURE_FBSET_FANCY
238 //Turn on fbset readmode support
239 //#define BB_FEATURE_FBSET_READMODE
241 // You must enable one or both of these features
242 // Support installing modules from pre 2.1 kernels
243 //#define BB_FEATURE_INSMOD_OLD_KERNEL
244 // Support installing modules from kernel versions after 2.1.18
245 #define BB_FEATURE_INSMOD_NEW_KERNEL
247 // Support module version checking
248 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
250 // Support for Minix filesystem, version 2
251 //#define BB_FEATURE_MINIX2
254 // Enable busybox --install [-s]
255 // to create links (or symlinks) for all the commands that are
256 // compiled into the binary. (needs /proc filesystem)
257 // #define BB_FEATURE_INSTALLER
259 // Clean up all memory before exiting -- usually not needed
260 // as the OS can clean up... Don't enable this unless you
261 // have a really good reason for cleaning things up manually.
262 //#define BB_FEATURE_CLEAN_UP
264 // End of Features List
271 //---------------------------------------------------
272 // Nothing beyond this point should ever be touched by
273 // mere mortals so leave this stuff alone.
275 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
279 #if defined BB_FEATURE_FULL_REGULAR_EXPRESSIONS && (defined BB_SED || defined BB_GREP )
283 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
293 #ifdef BB_FEATURE_LINUXRC
306 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
310 #if defined BB_FEATURE_SH_COMMAND_EDITING
311 #ifndef BB_FEATURE_USE_TERMIOS
312 #define BB_FEATURE_USE_TERMIOS
316 #if defined BB_FEATURE_AUTOWIDTH
317 #ifndef BB_FEATURE_USE_TERMIOS
318 #define BB_FEATURE_USE_TERMIOS
322 #if defined BB_INSMOD
323 #ifndef BB_FEATURE_INSMOD_OLD_KERNEL
324 #define BB_FEATURE_INSMOD_NEW_KERNEL