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
12 #define BB_CHMOD_CHOWN_CHGRP
30 #define BB_FREERAMDISK
40 // Don't bother turning BB_INSMOD on. It doesn't work yet.
78 #define BB_SETKEYCODES
90 // Don't bother turning BB_TELNET on. It doesn't work properly yet.
105 // End of Applications List
109 // ---------------------------------------------------------
110 // This is where feature definitions go. Generally speaking,
111 // turning this stuff off makes things a bit smaller (and less
115 // Turn this on to use Erik's very cool devps, devmtab,
116 // etc kernel drivers, thereby eliminating the need for
117 // the /proc filesystem and thereby saving lots and lots
118 // memory for more important things.
119 // You can't use this and USE_PROCFS at the same time...
120 // (BTW, I emailed Linus and this patch will not be going into the stock kernel)
121 //#define BB_FEATURE_USE_DEVPS_PATCH
123 // enable features that use the /proc filesystem (apps that
124 // break without this will tell you on compile)...
125 // You can't use this and BB_FEATURE_USE_DEVPS_PATCH
126 // at the same time...
127 #define BB_FEATURE_USE_PROCFS
129 // Enable full regular expressions. This adds about
130 // 4k. When this is off, things that would normally
131 // use regualr expressions (like grep) will just use
133 #define BB_FEATURE_FULL_REGULAR_EXPRESSIONS
135 // This compiles out everything but the most
136 // trivial --help usage information (i.e. reduces binary size)
137 //#define BB_FEATURE_TRIVIAL_HELP
139 // Use termios to manipulate the screen ('more' is prettier with this on)
140 //#define BB_FEATURE_USE_TERMIOS
142 // calculate terminal & column widths (for more and ls)
143 #define BB_FEATURE_AUTOWIDTH
145 // show username/groupnames (bypasses libc6 NSS) for ls
146 #define BB_FEATURE_LS_USERNAME
148 // show file timestamps in ls
149 #define BB_FEATURE_LS_TIMESTAMPS
151 // enable ls -p and -F
152 #define BB_FEATURE_LS_FILETYPES
154 // Change ping implementation -- simplified, featureless, but really small.
155 //#define BB_SIMPLE_PING
157 // Make init use a simplified /etc/inittab file (recommended).
158 #define BB_FEATURE_USE_INITTAB
160 //Enable init being called as /linuxrc
161 //#define BB_FEATURE_LINUXRC
163 //Have init enable core dumping for child processes (for debugging only)
164 //#define BB_FEATURE_INIT_COREDUMPS
166 // Allow init to permenently chroot, and umount the old root fs
167 // just like an initrd does. Requires a kernel patch by Werner Almesberger.
168 // ftp://icaftp.epfl.ch/pub/people/almesber/misc/umount-root-*.tar.gz
169 //#define BB_FEATURE_INIT_CHROOT
171 //Make sure nothing is printed to the console on boot
172 #define BB_FEATURE_EXTRA_QUIET
174 //Simple tail implementation (2k vs 6k for the full one). Still
175 //provides 'tail -f' support -- but for only one file at a time.
176 #define BB_FEATURE_SIMPLE_TAIL
178 // Enable support for loop devices in mount
179 #define BB_FEATURE_MOUNT_LOOP
181 // Enable support for a real /etc/mtab file instead of /proc/mounts
182 //#define BB_FEATURE_MOUNT_MTAB_SUPPORT
184 // Enable support for remounting filesystems
185 #define BB_FEATURE_REMOUNT
187 // Enable support for creation of tar files.
188 #define BB_FEATURE_TAR_CREATE
190 // Enable support for "--exclude" for excluding files
191 #define BB_FEATURE_TAR_EXCLUDE
193 //// Enable reverse sort
194 #define BB_FEATURE_SORT_REVERSE
196 // Enable command line editing in the shell
197 //#define BB_FEATURE_SH_COMMAND_EDITING
199 // Enable tab completion in the shell (not yet
200 // working very well -- so don't turn this on)
201 //#define BB_FEATURE_SH_TAB_COMPLETION
203 //Turn on extra fbset options
204 //#define BB_FEATURE_FBSET_FANCY
207 // End of Features List
214 //---------------------------------------------------
215 // Nothing beyond this point should ever be touched by
216 // mere mortals so leave this stuff alone.
218 #ifdef BB_FEATURE_MOUNT_MTAB_SUPPORT
222 #if defined BB_FEATURE_FULL_REGULAR_EXPRESSIONS && (defined BB_SED || defined BB_GREP )
226 #if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
237 #ifndef BB_FEATURE_REMOUNT
238 #define BB_FEATURE_REMOUNT
242 #ifdef BB_FEATURE_LINUXRC