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
80 #define BB_SETKEYCODES
108 // End of Applications List
112 // ---------------------------------------------------------
113 // This is where feature definitions go. Generally speaking,
114 // turning this stuff off makes things a bit smaller (and less
119 // Turn this on to use Erik's very cool devps, devmtab, etc kernel drivers,
120 // thereby eliminating the need for the /proc filesystem and thereby saving
121 // lots and lots memory for more important things. You can not use this and
122 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
123 // _must_ have patched the kernel to include the devps patch that is included
124 // in the busybox/kernel-patches directory. You will also need to create some
125 // device special files /dev on your embedded system:
126 // mknod /dev/modules c 10 23
127 // mknod /dev/mtab c 10 22
128 // mknod /dev/ps c 10 21
129 // I emailed Linus and this patch will not be going into the stock kernel.
130 //#define BB_FEATURE_USE_DEVPS_PATCH
132 // enable features that use the /proc filesystem (apps that
133 // break without this will tell you on compile)...
134 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
135 // at the same time...
136 #define BB_FEATURE_USE_PROCFS
138 // Enable full regular expressions. This adds about
139 // 4k. When this is off, things that would normally
140 // use regualr expressions (like grep) will just use
142 #define BB_FEATURE_FULL_REGULAR_EXPRESSIONS
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
164 #define BB_FEATURE_LS_RECURSIVE
166 // Change ping implementation -- simplified, featureless, but really small.
167 //#define BB_FEATURE_SIMPLE_PING
169 // Make init use a simplified /etc/inittab file (recommended).
170 #define BB_FEATURE_USE_INITTAB
172 //Enable init being called as /linuxrc
173 //#define BB_FEATURE_LINUXRC
175 //Have init enable core dumping for child processes (for debugging only)
176 //#define BB_FEATURE_INIT_COREDUMPS
178 // Allow init to permenently chroot, and umount the old root fs
179 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
180 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
181 //#define BB_FEATURE_INIT_CHROOT
183 //Make sure nothing is printed to the console on boot
184 #define BB_FEATURE_EXTRA_QUIET
186 //Should syslogd also provide klogd support?
187 #define BB_FEATURE_KLOGD
189 //Simple tail implementation (2k vs 6k for the full one). Still
190 //provides 'tail -f' support -- but for only one file at a time.
191 #define BB_FEATURE_SIMPLE_TAIL
193 // Enable support for loop devices in mount
194 #define BB_FEATURE_MOUNT_LOOP
196 // Enable support for a real /etc/mtab file instead of /proc/mounts
197 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
199 // Enable support for mounting remote NFS volumes
200 // (This does not yet work with Linux 2.[34].x kernels)
201 #define BB_FEATURE_NFSMOUNT
203 // Enable support forced filesystem unmounting
204 // (i.e. in case of an unreachable NFS system).
205 #define BB_FEATURE_MOUNT_FORCE
207 // Enable support for creation of tar files.
208 #define BB_FEATURE_TAR_CREATE
210 // Enable support for "--exclude" for excluding files
211 #define BB_FEATURE_TAR_EXCLUDE
213 //// Enable reverse sort
214 #define BB_FEATURE_SORT_REVERSE
216 // Enable command line editing in the shell
217 #define BB_FEATURE_SH_COMMAND_EDITING
219 //Allow the shell to invoke all the compiled in BusyBox commands as if they
220 //were shell builtins. Nice for staticly linking an emergency rescue shell
221 //amoung other thing.
222 #define BB_FEATURE_SH_STANDALONE_SHELL
224 // Enable tab completion in the shell (not yet
225 // working very well -- so don't turn this on)
226 //#define BB_FEATURE_SH_TAB_COMPLETION
228 //Turn on extra fbset options
229 //#define BB_FEATURE_FBSET_FANCY
231 //Turn on fbset readmode support
232 //#define BB_FEATURE_FBSET_READMODE
234 // You must enable one or both of these features
235 // Support installing modules from pre 2.1 kernels
236 //#define BB_FEATURE_INSMOD_OLD_KERNEL
237 // Support installing modules from kernel versions after 2.1.18
238 #define BB_FEATURE_INSMOD_NEW_KERNEL
240 // Support module version checking
241 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
243 // Support for Minix filesystem, version 2
244 //#define BB_FEATURE_MINIX2
247 // Enable busybox --install [-s]
248 // to create links (or symlinks) for all the commands that are
249 // compiled into the binary. (needs /proc filesystem)
250 // #define BB_FEATURE_INSTALLER
252 // End of Features List
259 //---------------------------------------------------
260 // Nothing beyond this point should ever be touched by
261 // mere mortals so leave this stuff alone.
263 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
267 #if defined BB_FEATURE_FULL_REGULAR_EXPRESSIONS && (defined BB_SED || defined BB_GREP )
271 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
281 #ifdef BB_FEATURE_LINUXRC
294 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
298 #if defined BB_FEATURE_SH_COMMAND_EDITING
299 #ifndef BB_FEATURE_USE_TERMIOS
300 #define BB_FEATURE_USE_TERMIOS
304 #if defined BB_FEATURE_AUTOWIDTH
305 #ifndef BB_FEATURE_USE_TERMIOS
306 #define BB_FEATURE_USE_TERMIOS
310 #if defined BB_INSMOD
311 #ifndef BB_FEATURE_INSMOD_OLD_KERNEL
312 #define BB_FEATURE_INSMOD_NEW_KERNEL