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
35 #define BB_FREERAMDISK
85 #define BB_SETKEYCODES
114 // End of Applications List
118 // ---------------------------------------------------------
119 // This is where feature definitions go. Generally speaking,
120 // turning this stuff off makes things a bit smaller (and less
125 // Turn this on to use Erik's very cool devps, devmtab, etc kernel drivers,
126 // thereby eliminating the need for the /proc filesystem and thereby saving
127 // lots and lots memory for more important things. You can not use this and
128 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
129 // _must_ have patched the kernel to include the devps patch that is included
130 // in the busybox/kernel-patches directory. You will also need to create some
131 // device special files in /dev on your embedded system:
132 // mknod /dev/modules c 10 23
133 // mknod /dev/mtab c 10 22
134 // mknod /dev/ps c 10 21
135 // I emailed Linus and this patch will not be going into the stock kernel.
136 //#define BB_FEATURE_USE_DEVPS_PATCH
138 // enable features that use the /proc filesystem (apps that
139 // break without this will tell you on compile)...
140 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
141 // at the same time...
142 #define BB_FEATURE_USE_PROCFS
144 // This compiles out everything but the most
145 // trivial --help usage information (i.e. reduces binary size)
146 //#define BB_FEATURE_TRIVIAL_HELP
148 // Use termios to manipulate the screen ('more' is prettier with this on)
149 #define BB_FEATURE_USE_TERMIOS
151 // calculate terminal & column widths (for more and ls)
152 #define BB_FEATURE_AUTOWIDTH
154 // show username/groupnames (bypasses libc6 NSS) for ls
155 #define BB_FEATURE_LS_USERNAME
157 // show file timestamps in ls
158 #define BB_FEATURE_LS_TIMESTAMPS
160 // enable ls -p and -F
161 #define BB_FEATURE_LS_FILETYPES
163 // sort the file names (still a bit buggy)
164 #define BB_FEATURE_LS_SORTFILES
167 #define BB_FEATURE_LS_RECURSIVE
169 // Change ping implementation -- simplified, featureless, but really small.
170 //#define BB_FEATURE_SIMPLE_PING
172 // Make init use a simplified /etc/inittab file (recommended).
173 #define BB_FEATURE_USE_INITTAB
175 //Enable init being called as /linuxrc
176 //#define BB_FEATURE_LINUXRC
178 //Have init enable core dumping for child processes (for debugging only)
179 //#define BB_FEATURE_INIT_COREDUMPS
181 // Allow init to permenently chroot, and umount the old root fs
182 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
183 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
184 //#define BB_FEATURE_INIT_CHROOT
186 //Make sure nothing is printed to the console on boot
187 #define BB_FEATURE_EXTRA_QUIET
189 //Should syslogd also provide klogd support?
190 #define BB_FEATURE_KLOGD
192 // enable syslogd -R remotehost
193 #define BB_FEATURE_REMOTE_LOG
195 //Simple tail implementation (2.34k vs 3k for the full one).
196 //Both provide 'tail -f' support (only one file at a time.)
197 #define BB_FEATURE_SIMPLE_TAIL
199 // Enable support for loop devices in mount
200 #define BB_FEATURE_MOUNT_LOOP
202 // Enable support for a real /etc/mtab file instead of /proc/mounts
203 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
205 // Enable support for mounting remote NFS volumes
206 //#define BB_FEATURE_NFSMOUNT
208 // Enable support forced filesystem unmounting
209 // (i.e. in case of an unreachable NFS system).
210 #define BB_FEATURE_MOUNT_FORCE
212 // Enable support for creation of tar files.
213 #define BB_FEATURE_TAR_CREATE
215 // Enable support for "--exclude" for excluding files
216 #define BB_FEATURE_TAR_EXCLUDE
218 // Enable support for s///p pattern matching
219 #define BB_FEATURE_SED_PATTERN_SPACE
221 //// Enable reverse sort
222 #define BB_FEATURE_SORT_REVERSE
224 // Enable command line editing in the shell
225 #define BB_FEATURE_SH_COMMAND_EDITING
227 //Allow the shell to invoke all the compiled in BusyBox commands as if they
228 //were shell builtins. Nice for staticly linking an emergency rescue shell
230 #define BB_FEATURE_SH_STANDALONE_SHELL
232 // Enable tab completion in the shell (not yet
233 // working very well -- so don't turn this on)
234 //#define BB_FEATURE_SH_TAB_COMPLETION
236 //Turn on extra fbset options
237 //#define BB_FEATURE_FBSET_FANCY
239 //Turn on fbset readmode support
240 //#define BB_FEATURE_FBSET_READMODE
242 // You must enable one or both of these features
243 // Support installing modules from pre 2.1 kernels
244 //#define BB_FEATURE_INSMOD_OLD_KERNEL
245 // Support installing modules from kernel versions after 2.1.18
246 #define BB_FEATURE_INSMOD_NEW_KERNEL
248 // Support module version checking
249 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
251 // Support for Minix filesystem, version 2
252 //#define BB_FEATURE_MINIX2
255 // Enable busybox --install [-s]
256 // to create links (or symlinks) for all the commands that are
257 // compiled into the binary. (needs /proc filesystem)
258 // #define BB_FEATURE_INSTALLER
260 // Clean up all memory before exiting -- usually not needed
261 // as the OS can clean up... Don't enable this unless you
262 // have a really good reason for cleaning things up manually.
263 //#define BB_FEATURE_CLEAN_UP
265 // End of Features List
272 //---------------------------------------------------
273 // Nothing beyond this point should ever be touched by
274 // mere mortals so leave this stuff alone.
276 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
280 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
290 #ifdef BB_FEATURE_LINUXRC
303 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
307 #if defined BB_FEATURE_SH_COMMAND_EDITING
308 #ifndef BB_FEATURE_USE_TERMIOS
309 #define BB_FEATURE_USE_TERMIOS
313 #if defined BB_FEATURE_AUTOWIDTH
314 #ifndef BB_FEATURE_USE_TERMIOS
315 #define BB_FEATURE_USE_TERMIOS
319 #if defined BB_INSMOD
320 #ifndef BB_FEATURE_INSMOD_OLD_KERNEL
321 #define BB_FEATURE_INSMOD_NEW_KERNEL