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
33 #define BB_FREERAMDISK
79 #define BB_SETKEYCODES
107 // End of Applications List
111 // ---------------------------------------------------------
112 // This is where feature definitions go. Generally speaking,
113 // turning this stuff off makes things a bit smaller (and less
118 // Turn this on to use Erik's very cool devps, devmtab, etc kernel drivers,
119 // thereby eliminating the need for the /proc filesystem and thereby saving
120 // lots and lots memory for more important things. You can not use this and
121 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
122 // _must_ have patched the kernel to include the devps patch that is included
123 // in the busybox/kernel-patches directory. You will also need to create some
124 // device special files /dev on your embedded system:
125 // mknod /dev/modules c 10 23
126 // mknod /dev/mtab c 10 22
127 // mknod /dev/ps c 10 21
128 // I emailed Linus and this patch will not be going into the stock kernel.
129 //#define BB_FEATURE_USE_DEVPS_PATCH
131 // enable features that use the /proc filesystem (apps that
132 // break without this will tell you on compile)...
133 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
134 // at the same time...
135 #define BB_FEATURE_USE_PROCFS
137 // Enable full regular expressions. This adds about
138 // 4k. When this is off, things that would normally
139 // use regualr expressions (like grep) will just use
141 #define BB_FEATURE_FULL_REGULAR_EXPRESSIONS
143 // This compiles out everything but the most
144 // trivial --help usage information (i.e. reduces binary size)
145 //#define BB_FEATURE_TRIVIAL_HELP
147 // Use termios to manipulate the screen ('more' is prettier with this on)
148 #define BB_FEATURE_USE_TERMIOS
150 // calculate terminal & column widths (for more and ls)
151 #define BB_FEATURE_AUTOWIDTH
153 // show username/groupnames (bypasses libc6 NSS) for ls
154 #define BB_FEATURE_LS_USERNAME
156 // show file timestamps in ls
157 #define BB_FEATURE_LS_TIMESTAMPS
159 // enable ls -p and -F
160 #define BB_FEATURE_LS_FILETYPES
163 #define BB_FEATURE_LS_RECURSIVE
165 // Change ping implementation -- simplified, featureless, but really small.
166 //#define BB_FEATURE_SIMPLE_PING
168 // Make init use a simplified /etc/inittab file (recommended).
169 #define BB_FEATURE_USE_INITTAB
171 //Enable init being called as /linuxrc
172 //#define BB_FEATURE_LINUXRC
174 //Have init enable core dumping for child processes (for debugging only)
175 //#define BB_FEATURE_INIT_COREDUMPS
177 // Allow init to permenently chroot, and umount the old root fs
178 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
179 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
180 //#define BB_FEATURE_INIT_CHROOT
182 //Make sure nothing is printed to the console on boot
183 #define BB_FEATURE_EXTRA_QUIET
185 //Should syslogd also provide klogd support?
186 #define BB_FEATURE_KLOGD
188 //Simple tail implementation (2k vs 6k for the full one). Still
189 //provides 'tail -f' support -- but for only one file at a time.
190 #define BB_FEATURE_SIMPLE_TAIL
192 // Enable support for loop devices in mount
193 #define BB_FEATURE_MOUNT_LOOP
195 // Enable support for a real /etc/mtab file instead of /proc/mounts
196 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
198 // Enable support for mounting remote NFS volumes
199 // (This does not yet work with Linux 2.[34].x kernels)
200 #define BB_FEATURE_NFSMOUNT
202 // Enable support forced filesystem unmounting
203 // (i.e. in case of an unreachable NFS system).
204 #define BB_FEATURE_MOUNT_FORCE
206 // Enable support for creation of tar files.
207 #define BB_FEATURE_TAR_CREATE
209 // Enable support for "--exclude" for excluding files
210 #define BB_FEATURE_TAR_EXCLUDE
212 //// Enable reverse sort
213 #define BB_FEATURE_SORT_REVERSE
215 // Enable command line editing in the shell
216 #define BB_FEATURE_SH_COMMAND_EDITING
218 //Allow the shell to invoke all the compiled in BusyBox commands as if they
219 //were shell builtins. Nice for staticly linking an emergency rescue shell
220 //amoung other thing.
221 #define BB_FEATURE_SH_STANDALONE_SHELL
223 // Enable tab completion in the shell (not yet
224 // working very well -- so don't turn this on)
225 //#define BB_FEATURE_SH_TAB_COMPLETION
227 //Turn on extra fbset options
228 //#define BB_FEATURE_FBSET_FANCY
230 //Turn on fbset readmode support
231 //#define BB_FEATURE_FBSET_READMODE
233 // You must enable one or both of these features
234 // Support installing modules from pre 2.1 kernels
235 //#define BB_FEATURE_INSMOD_OLD_KERNEL
236 // Support installing modules from kernel versions after 2.1.18
237 #define BB_FEATURE_INSMOD_NEW_KERNEL
239 // Support module version checking
240 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
243 // Enable busybox --install [-s]
244 // to create links (or symlinks) for all the commands that are
245 // compiled into the binary. (needs /proc filesystem)
246 // #define BB_FEATURE_INSTALLER
248 // End of Features List
255 //---------------------------------------------------
256 // Nothing beyond this point should ever be touched by
257 // mere mortals so leave this stuff alone.
259 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
263 #if defined BB_FEATURE_FULL_REGULAR_EXPRESSIONS && (defined BB_SED || defined BB_GREP )
267 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
277 #ifdef BB_FEATURE_LINUXRC
290 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
294 #if defined BB_FEATURE_SH_COMMAND_EDITING
295 #ifndef BB_FEATURE_USE_TERMIOS
296 #define BB_FEATURE_USE_TERMIOS
300 #if defined BB_FEATURE_AUTOWIDTH
301 #ifndef BB_FEATURE_USE_TERMIOS
302 #define BB_FEATURE_USE_TERMIOS
306 #if defined BB_INSMOD
307 #ifndef BB_FEATURE_INSMOD_OLD_KERNEL
308 #define BB_FEATURE_INSMOD_NEW_KERNEL