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
81 #define BB_SETKEYCODES
109 // End of Applications List
113 // ---------------------------------------------------------
114 // This is where feature definitions go. Generally speaking,
115 // turning this stuff off makes things a bit smaller (and less
120 // Turn this on to use Erik's very cool devps, devmtab, etc kernel drivers,
121 // thereby eliminating the need for the /proc filesystem and thereby saving
122 // lots and lots memory for more important things. You can not use this and
123 // USE_PROCFS at the same time... NOTE: If you enable this feature, you
124 // _must_ have patched the kernel to include the devps patch that is included
125 // in the busybox/kernel-patches directory. You will also need to create some
126 // device special files /dev on your embedded system:
127 // mknod /dev/modules c 10 23
128 // mknod /dev/mtab c 10 22
129 // mknod /dev/ps c 10 21
130 // I emailed Linus and this patch will not be going into the stock kernel.
131 //#define BB_FEATURE_USE_DEVPS_PATCH
133 // enable features that use the /proc filesystem (apps that
134 // break without this will tell you on compile)...
135 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
136 // at the same time...
137 #define BB_FEATURE_USE_PROCFS
139 // Enable full regular expressions. This adds about
140 // 4k. When this is off, things that would normally
141 // use regualr expressions (like grep) will just use
143 #define BB_FEATURE_FULL_REGULAR_EXPRESSIONS
145 // This compiles out everything but the most
146 // trivial --help usage information (i.e. reduces binary size)
147 //#define BB_FEATURE_TRIVIAL_HELP
149 // Use termios to manipulate the screen ('more' is prettier with this on)
150 #define BB_FEATURE_USE_TERMIOS
152 // calculate terminal & column widths (for more and ls)
153 #define BB_FEATURE_AUTOWIDTH
155 // show username/groupnames (bypasses libc6 NSS) for ls
156 #define BB_FEATURE_LS_USERNAME
158 // show file timestamps in ls
159 #define BB_FEATURE_LS_TIMESTAMPS
161 // enable ls -p and -F
162 #define BB_FEATURE_LS_FILETYPES
164 // sort the file names
165 #define BB_FEATURE_LS_SORTFILES
168 #define BB_FEATURE_LS_RECURSIVE
170 // Change ping implementation -- simplified, featureless, but really small.
171 //#define BB_FEATURE_SIMPLE_PING
173 // Make init use a simplified /etc/inittab file (recommended).
174 #define BB_FEATURE_USE_INITTAB
176 //Enable init being called as /linuxrc
177 //#define BB_FEATURE_LINUXRC
179 //Have init enable core dumping for child processes (for debugging only)
180 //#define BB_FEATURE_INIT_COREDUMPS
182 // Allow init to permenently chroot, and umount the old root fs
183 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
184 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
185 //#define BB_FEATURE_INIT_CHROOT
187 //Make sure nothing is printed to the console on boot
188 #define BB_FEATURE_EXTRA_QUIET
190 //Should syslogd also provide klogd support?
191 #define BB_FEATURE_KLOGD
193 // enable syslogd -R remotehost
194 #define BB_FEATURE_REMOTE_LOG
196 //Simple tail implementation (2.34k vs 3k for the full one).
197 //Both provide 'tail -f' support (only one file at a time.)
198 #define BB_FEATURE_SIMPLE_TAIL
200 // Enable support for loop devices in mount
201 #define BB_FEATURE_MOUNT_LOOP
203 // Enable support for a real /etc/mtab file instead of /proc/mounts
204 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
206 // Enable support for mounting remote NFS volumes
207 //#define BB_FEATURE_NFSMOUNT
209 // Enable support forced filesystem unmounting
210 // (i.e. in case of an unreachable NFS system).
211 #define BB_FEATURE_MOUNT_FORCE
213 // Enable support for creation of tar files.
214 #define BB_FEATURE_TAR_CREATE
216 // Enable support for "--exclude" for excluding files
217 #define BB_FEATURE_TAR_EXCLUDE
219 //// Enable reverse sort
220 #define BB_FEATURE_SORT_REVERSE
222 // Enable command line editing in the shell
223 #define BB_FEATURE_SH_COMMAND_EDITING
225 //Allow the shell to invoke all the compiled in BusyBox commands as if they
226 //were shell builtins. Nice for staticly linking an emergency rescue shell
227 //amoung other thing.
228 #define BB_FEATURE_SH_STANDALONE_SHELL
230 // Enable tab completion in the shell (not yet
231 // working very well -- so don't turn this on)
232 //#define BB_FEATURE_SH_TAB_COMPLETION
234 //Turn on extra fbset options
235 //#define BB_FEATURE_FBSET_FANCY
237 //Turn on fbset readmode support
238 //#define BB_FEATURE_FBSET_READMODE
240 // You must enable one or both of these features
241 // Support installing modules from pre 2.1 kernels
242 //#define BB_FEATURE_INSMOD_OLD_KERNEL
243 // Support installing modules from kernel versions after 2.1.18
244 #define BB_FEATURE_INSMOD_NEW_KERNEL
246 // Support module version checking
247 //#define BB_FEATURE_INSMOD_VERSION_CHECKING
249 // Support for Minix filesystem, version 2
250 //#define BB_FEATURE_MINIX2
253 // Enable busybox --install [-s]
254 // to create links (or symlinks) for all the commands that are
255 // compiled into the binary. (needs /proc filesystem)
256 // #define BB_FEATURE_INSTALLER
258 // Clean up all memory before exiting -- usually not needed
259 // as the OS can clean up... Don't enable this unless you
260 // have a really good reason for cleaning things up manually.
261 //#define BB_FEATURE_CLEAN_UP
263 // End of Features List
270 //---------------------------------------------------
271 // Nothing beyond this point should ever be touched by
272 // mere mortals so leave this stuff alone.
274 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
278 #if defined BB_FEATURE_FULL_REGULAR_EXPRESSIONS && (defined BB_SED || defined BB_GREP )
282 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
292 #ifdef BB_FEATURE_LINUXRC
305 #if defined BB_MOUNT && defined BB_FEATURE_NFSMOUNT
309 #if defined BB_FEATURE_SH_COMMAND_EDITING
310 #ifndef BB_FEATURE_USE_TERMIOS
311 #define BB_FEATURE_USE_TERMIOS
315 #if defined BB_FEATURE_AUTOWIDTH
316 #ifndef BB_FEATURE_USE_TERMIOS
317 #define BB_FEATURE_USE_TERMIOS
321 #if defined BB_INSMOD
322 #ifndef BB_FEATURE_INSMOD_OLD_KERNEL
323 #define BB_FEATURE_INSMOD_NEW_KERNEL