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config.h

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00001 /* config.h.  Generated by configure.  */
00002 /* Copyright (c) 1993-2000
00003  *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
00004  *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
00005  * Copyright (c) 1987 Oliver Laumann
00006  *
00007  * This program is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2, or (at your option)
00010  * any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program (see the file COPYING); if not, write to the
00019  * Free Software Foundation, Inc.,
00020  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
00021  *
00022  ****************************************************************
00023  * $Id: config.h.in,v 1.12 1994/05/31 12:31:36 mlschroe Exp $ FAU
00024  */
00025 
00026 
00027 
00028 
00029 
00030 /**********************************************************************
00031  *
00032  *      User Configuration Section
00033  */
00034 
00035 /*
00036  * Maximum of simultaneously allowed windows per screen session.
00037  */
00038 #ifndef MAXWIN
00039 # define MAXWIN 40
00040 #endif
00041 
00042 /*
00043  * Define SOCKDIR to be the directory to contain the named sockets
00044  * screen creates. This should be in a common subdirectory, such as
00045  * /usr/local or /tmp. It makes things a little more secure if you
00046  * choose a directory which is not writable by everyone or where the
00047  * "sticky" bit is on, but this isn't required.
00048  * If SOCKDIR is not defined screen will put the named sockets in
00049  * the user's home directory. Notice that this can cause you problems
00050  * if some user's HOME directories are AFS- or NFS-mounted. Especially
00051  * AFS is unlikely to support named sockets.
00052  *
00053  * Screen will name the subdirectories "S-$USER" (e.g /tmp/S-davison).
00054  */
00055 #define SOCKDIR (eff_uid ? "/tmp/uscreens" : "/tmp/screens")
00056 
00057 /*
00058  * Define this if the SOCKDIR is not shared between hosts.
00059  */
00060 #define SOCKDIR_IS_LOCAL_TO_HOST
00061 
00062 /*
00063  * Screen sources two startup files. First a global file with a path
00064  * specified here, second your local $HOME/.screenrc
00065  * Don't define this, if you don't want it.
00066  */
00067 #ifndef ETCSCREENRC
00068 # define ETCSCREENRC "/usr/etc/screenrc"
00069 #endif
00070 
00071 /*
00072  * Screen can look for the environment variable $SYSSCREENRC and -if it
00073  * exists- load the file specified in that variable as global screenrc.
00074  * If you want to enable this feature, define ALLOW_SYSSCREENRC to one (1).
00075  * Otherwise ETCSCREENRC is always loaded.
00076  */
00077 #define ALLOW_SYSSCREENRC 1
00078 
00079 /*
00080  * Screen needs encoding files for the translation of utf8
00081  * into some encodings, e.g. JIS, BIG5.
00082  * Only needed if FONT, ENCODINGS and UTF8 are defined.
00083  */
00084 #ifndef SCREENENCODINGS
00085 # define SCREENENCODINGS "/usr/share/screen/utf8encodings"
00086 #endif
00087 /*
00088  * Define CHECKLOGIN to force Screen users to enter their Unix password
00089  * in addition to the screen password.
00090  *
00091  * Define NOSYSLOG if yo do not have logging facilities. Currently
00092  * syslog() will be used to trace ``su'' commands only.
00093  */
00094 #define CHECKLOGIN 1
00095 /* #undef NOSYSLOG */
00096 
00097 
00098 /*
00099  * define PTYMODE if you do not like the default of 0622, which allows
00100  * public write to your pty.
00101  * define PTYGROUP to some numerical group-id if you do not want the
00102  * tty to be in "your" group.
00103  * Note, screen is unable to change mode or group of the pty if it
00104  * is not installed with sufficient privilege. (e.g. set-uid-root)
00105  * define PTYROFS if the /dev/pty devices are mounted on a read-only
00106  * filesystem so screen should not even attempt to set mode or group
00107  * even if running as root (e.g. on TiVo).
00108  */
00109 /* #undef PTYMODE */
00110 /* #undef PTYGROUP */
00111 /* #undef PTYROFS */
00112 
00113 /*
00114  * If screen is NOT installed set-uid root, screen can provide tty
00115  * security by exclusively locking the ptys.  While this keeps other
00116  * users from opening your ptys, it also keeps your own subprocesses
00117  * from being able to open /dev/tty.  Define LOCKPTY to add this
00118  * exclusive locking.
00119  */
00120 /* #undef LOCKPTY */
00121 
00122 /*
00123  * If you'd rather see the status line on the first line of your
00124  * terminal rather than the last, define TOPSTAT.
00125  */
00126 /* #undef TOPSTAT */
00127 
00128 /*
00129  * define DETACH can detach a session. An absolute 'must'.
00130  */
00131 #define DETACH
00132 
00133 /*
00134  * here come the erlangen extensions to screen:
00135  * define LOCK if you want to use a lock program for a screenlock.
00136  * define PASSWORD for secure reattach of your screen.
00137  * define COPY_PASTE to use the famous hacker's treasure zoo.
00138  * define POW_DETACH to have a detach_and_logout key (requires DETACH).
00139  * define REMOTE_DETACH (-d option) to move screen between terminals.
00140  * define AUTO_NUKE to enable Tim MacKenzies clear screen nuking
00141  * define PSEUDOS to allow window input/output filtering
00142  * define MULTI to allow multiple attaches.
00143  * define MULTIUSER to allow other users attach to your session
00144  *                  (if they are in the acl, of course)
00145  * define MAPKEYS to include input keyboard translation.
00146  * define FONT to support ISO2022/alternet charset support
00147  * define COLOR to include ansi color support. This may expose
00148  *        a bug in x11r6-color-xterm.
00149  * define DW_CHARS to include support for double-width character
00150  *        sets.
00151  * define ENCODINGS to include support for encodings like euc or big5.
00152  *        Needs FONT to work.
00153  * define UTF8 if you want support for UTF-8 encoding.
00154  *        Needs FONT and ENCODINGS to work.
00155  * define COLORS16 if you want 16 colors.
00156  *        Needs COLOR to work.
00157  * define BUILTIN_TELNET to add telnet support to screen.
00158  *        Syntax: screen //telnet host [port]
00159  * define RXVT_OSC if you want support for rxvts special
00160  *        change fgcolor/bgcolor/bgpicture sequences
00161  */
00162 /* #undef SIMPLESCREEN */
00163 #ifndef SIMPLESCREEN
00164 # define LOCK
00165 # define PASSWORD
00166 # define COPY_PASTE
00167 # define REMOTE_DETACH
00168 # define POW_DETACH
00169 # define AUTO_NUKE
00170 # define PSEUDOS
00171 # define MULTI
00172 # define MULTIUSER
00173 # define MAPKEYS
00174 # define COLOR
00175 # define FONT
00176 # define DW_CHARS
00177 # define ENCODINGS
00178 # define UTF8
00179 # define COLORS16
00180 # define ZMODEM
00181 # define BLANKER_PRG
00182 #endif /* SIMPLESCREEN */
00183 
00184 /* #undef BUILTIN_TELNET */
00185 /* #undef RXVT_OSC */
00186 /* #undef COLORS256 */
00187 
00188 
00189 /*
00190  * If you have a braille display you should define HAVE_BRAILLE.
00191  * The code inside #ifdef HAVE_BRAILLE was contributed by Hadi Bargi
00192  * Rangin (bargi@dots.physics.orst.edu).
00193  * WARNING: this is more or less unsupported code, it may be full of
00194  * bugs leading to security holes, enable at your own risk!
00195  */
00196 /* #undef HAVE_BRAILLE */
00197 
00198 
00199 /*
00200  * As error messages are mostly meaningless to the user, we
00201  * try to throw out phrases that are somewhat more familiar
00202  * to ...well, at least familiar to us NetHack players.
00203  */
00204 #ifndef NONETHACK
00205 # define NETHACK
00206 #endif /* NONETHACK */
00207 
00208 /*
00209  * If screen is installed with permissions to update /etc/utmp (such
00210  * as if it is installed set-uid root), define UTMPOK.
00211  */
00212 #define UTMPOK
00213 
00214 /* Set LOGINDEFAULT to one (1)
00215  * if you want entries added to /etc/utmp by default, else set it to
00216  * zero (0).
00217  * LOGINDEFAULT will be one (1) whenever LOGOUTOK is undefined!
00218  */
00219 #define LOGINDEFAULT    1
00220 
00221 /* Set LOGOUTOK to one (1)
00222  * if you want the user to be able to log her/his windows out.
00223  * (Meaning: They are there, but not visible in /etc/utmp).
00224  * Disabling this feature only makes sense if you have a secure /etc/utmp
00225  * database.
00226  * Negative examples: suns usually have a world writable utmp file,
00227  * xterm will run perfectly without s-bit.
00228  *
00229  * If LOGOUTOK is undefined and UTMPOK is defined, all windows are
00230  * initially and permanently logged in.
00231  *
00232  * Set CAREFULUTMP to one (1) if you want that users have at least one
00233  * window per screen session logged in.
00234  */
00235 #define LOGOUTOK 1
00236 /* #undef CAREFULUTMP */
00237 
00238 
00239 /*
00240  * If UTMPOK is defined and your system (incorrectly) counts logins by
00241  * counting non-null entries in /etc/utmp (instead of counting non-null
00242  * entries with no hostname that are not on a pseudo tty), define USRLIMIT
00243  * to have screen put an upper-limit on the number of entries to write
00244  * into /etc/utmp.  This helps to keep you from exceeding a limited-user
00245  * license.
00246  */
00247 /* #undef USRLIMIT */
00248 
00249 /*
00250  * both must be defined if you want to favor tcsendbreak over
00251  * other calls to generate a break condition on serial lines.
00252  * (Do not bother, if you are not using plain tty windows.)
00253  */
00254 #define POSIX_HAS_A_GOOD_TCSENDBREAK
00255 #define SUNOS4_AND_WE_TRUST_TCSENDBREAK
00256 
00257 /*
00258  * to lower the interrupt load on the host machine, you may want to
00259  * adjust the VMIN and VTIME settings used for plain tty windows.
00260  * See the termio(4) manual page (Non-Canonical Mode Input Processing)
00261  * for details.
00262  * if undefined, VMIN=1, VTIME=0 is used as a default - this gives you
00263  * best user responsiveness, but highest interrupt frequency.
00264  * (Do not bother, if you are not using plain tty windows.)
00265  */
00266 #define TTYVMIN 100
00267 #define TTYVTIME 2
00268 
00269 /*
00270  * looks like the above values are ignored by setting FNDELAY.
00271  * This is default for all pty/ttys, you may disable it for
00272  * ttys here. After playing with it for a while, one may find out
00273  * that this feature may cause screen to lock up.
00274  */
00275 #ifdef bsdi
00276 # define TTY_DISABLE_FNBLOCK /* select barfs without it ... */
00277 #endif
00278 
00279 
00280 /*
00281  * Some terminals, e.g. Wyse 120, use a bitfield to select attributes.
00282  * This doesn't work with the standard so/ul/m? terminal entries,
00283  * because they will cancel each other out.
00284  * On TERMINFO machines, "sa" (sgr) may work. If you want screen
00285  * to switch attributes only with sgr, define USE_SGR.
00286  * This is *not* recomended, do this only if you must.
00287  */
00288 /* #undef USE_SGR */
00289 
00290 
00291 /*
00292  * Define USE_LOCALE if you want screen to use the locale names
00293  * for the name of the month and day of the week.
00294  */
00295 #define USE_LOCALE
00296 
00297 /*
00298  * Define USE_PAM if your system supports PAM (Pluggable Authentication
00299  * Modules) and you want screen to use it instead of calling crypt().
00300  * (You may also need to add -lpam to LIBS in the Makefile.)
00301  */
00302 /* #undef USE_PAM */
00303 
00304 /*
00305  * Define CHECK_SCREEN_W if you want screen to set TERM to screen-w
00306  * if the terminal width is greater than 131 columns. No longer needed
00307  * on modern systems which use $COLUMNS or the tty settings instead.
00308  */
00309 /* #undef CHECK_SCREEN_W */
00310 
00311 /**********************************************************************
00312  *
00313  *      End of User Configuration Section
00314  *
00315  *      Rest of this file is modified by 'configure'
00316  *      Change at your own risk!
00317  *
00318  */
00319 
00320 /*
00321  * Some defines to identify special unix variants
00322  */
00323 #ifndef SVR4
00324 /* #undef SVR4 */
00325 #endif
00326 
00327 /* #ifndef __osf__ */
00328 #ifndef MIPS
00329 /* #undef MIPS */
00330 #endif
00331 /* #endif */
00332 
00333 #ifndef OSX
00334 /* #undef OSX */
00335 #endif
00336 
00337 #ifndef ISC
00338 /* #undef ISC */
00339 #endif
00340 
00341 #ifndef sysV68
00342 /* #undef sysV68 */
00343 #endif
00344 
00345 #ifndef _POSIX_SOURCE
00346 /* #undef _POSIX_SOURCE */
00347 #endif
00348 
00349 /*
00350  * Define POSIX if your system supports IEEE Std 1003.1-1988 (POSIX).
00351  */
00352 #define POSIX 1
00353 
00354 /*
00355  * Define BSDJOBS if you have BSD-style job control (both process
00356  * groups and a tty that deals correctly with them).
00357  */
00358 #define BSDJOBS 1
00359 
00360 /*
00361  * Define TERMIO if you have struct termio instead of struct sgttyb.
00362  * This is usually the case for SVID systems, where BSD uses sgttyb.
00363  * POSIX systems should define this anyway, even though they use
00364  * struct termios.
00365  */
00366 #define TERMIO 1
00367 
00368 /*
00369  * Define CYTERMIO if you have cyrillic termio modes.
00370  */
00371 /* #undef CYTERMIO */
00372 
00373 /*
00374  * Define TERMINFO if your machine emulates the termcap routines
00375  * with the terminfo database.
00376  * Thus the .screenrc file is parsed for
00377  * the command 'terminfo' and not 'termcap'.
00378  */
00379 /* #undef TERMINFO */
00380 
00381 /*
00382  * If your library does not define ospeed, define this.
00383  */
00384 /* #undef NEED_OSPEED */
00385 
00386 /*
00387  * Define SYSV if your machine is SYSV complient (Sys V, HPUX, A/UX)
00388  */
00389 #ifndef SYSV
00390 /* #undef SYSV */
00391 #endif
00392 
00393 /*
00394  * Define SIGVOID if your signal handlers return void.  On older
00395  * systems, signal returns int, but on newer ones, it returns void.
00396  */
00397 #define SIGVOID 1
00398 
00399 /*
00400  * Define USESIGSET if you have sigset for BSD 4.1 reliable signals.
00401  */
00402 /* #undef USESIGSET */
00403 
00404 /*
00405  * Define SYSVSIGS if signal handlers must be reinstalled after
00406  * they have been called.
00407  */
00408 /* #undef SYSVSIGS */
00409 
00410 /*
00411  * Define BSDWAIT if your system defines a 'union wait' in <sys/wait.h>
00412  *
00413  * Only allow BSDWAIT i.e. wait3 on nonposix systems, since
00414  * posix implies wait(3) and waitpid(3). vdlinden@fwi.uva.nl
00415  *
00416  */
00417 #ifndef POSIX
00418 /* #undef BSDWAIT */
00419 #endif
00420 
00421 /*
00422  * On RISCOS we prefer wait2() over wait3(). rouilj@sni-usa.com
00423  */
00424 #ifdef BSDWAIT
00425 /* #undef USE_WAIT2 */
00426 #endif
00427 
00428 /*
00429  * Define HAVE_DIRENT_H if your system has <dirent.h> instead of
00430  * <sys/dir.h>
00431  */
00432 #define HAVE_DIRENT_H 1
00433 
00434 /*
00435  * If your system has getutent(), pututline(), etc. to write to the
00436  * utmp file, define GETUTENT.
00437  */
00438 #define GETUTENT 1
00439 
00440 /*
00441  * Define UTHOST if the utmp file has a host field.
00442  */
00443 #define UTHOST 1
00444 
00445 /*
00446  * Define if you have the utempter utmp helper program
00447  */
00448 /* #undef HAVE_UTEMPTER */
00449 
00450 /*
00451  * If ttyslot() breaks getlogin() by returning indexes to utmp entries
00452  * of type DEAD_PROCESS, then our getlogin() replacement should be
00453  * selected by defining BUGGYGETLOGIN.
00454  */
00455 /* #undef BUGGYGETLOGIN */
00456 
00457 /*
00458  * If your system has the calls setreuid() and setregid(),
00459  * define HAVE_SETREUID. Otherwise screen will use a forked process to
00460  * safely create output files without retaining any special privileges.
00461  */
00462 #define HAVE_SETREUID 1
00463 
00464 /*
00465  * If your system supports BSD4.4's seteuid() and setegid(), define
00466  * HAVE_SETEUID.
00467  */
00468 #define HAVE_SETEUID 1
00469 
00470 /*
00471  * If you want the "time" command to display the current load average
00472  * define LOADAV. Maybe you must install screen with the needed
00473  * privileges to read /dev/kmem.
00474  * Note that NLIST_ stuff is only checked, when getloadavg() is not available.
00475  */
00476 /* #undef LOADAV */
00477 
00478 #define LOADAV_NUM 3
00479 #define LOADAV_TYPE double
00480 #define LOADAV_SCALE 1
00481 /* #undef LOADAV_GETLOADAVG */
00482 /* #undef LOADAV_UNIX */
00483 /* #undef LOADAV_AVENRUN */
00484 /* #undef LOADAV_USE_NLIST64 */
00485 
00486 /* #undef NLIST_DECLARED */
00487 /* #undef NLIST_STRUCT */
00488 /* #undef NLIST_NAME_UNION */
00489 
00490 /*
00491  * If your system has the new format /etc/ttys (like 4.3 BSD) and the
00492  * getttyent(3) library functions, define GETTTYENT.
00493  */
00494 /* #undef GETTTYENT */
00495 
00496 /*
00497  * Define USEBCOPY if the bcopy/memcpy from your system's C library
00498  * supports the overlapping of source and destination blocks.  When
00499  * undefined, screen uses its own (probably slower) version of bcopy().
00500  *
00501  * SYSV machines may have a working memcpy() -- Oh, this is
00502  * quite unlikely. Tell me if you see one.
00503  * "But then, memmove() should work, if at all available" he thought...
00504  * Boing, never say "works everywhere" unless you checked SCO UNIX.
00505  * Their memove fails the test in the configure script. Sigh. (Juergen)
00506  */
00507 #define USEBCOPY 1
00508 /* #undef USEMEMCPY */
00509 #define USEMEMMOVE 1
00510 
00511 /*
00512  * If your system has vsprintf() and requires the use of the macros in
00513  * "varargs.h" to use functions with variable arguments,
00514  * define USEVARARGS.
00515  */
00516 #define USEVARARGS 1
00517 
00518 /*
00519  * If your system has strerror() define this.
00520  */
00521 #define HAVE_STRERROR 1
00522 
00523 /*
00524  * If the select return value doesn't treat a descriptor that is
00525  * usable for reading and writing as two hits, define SELECT_BROKEN.
00526  */
00527 /* #undef SELECT_BROKEN */
00528 
00529 /*
00530  * Define this if your system supports named pipes.
00531  */
00532 /* #undef NAMEDPIPE */
00533 
00534 /*
00535  * Define this if your system exits select() immediatly if a pipe is
00536  * opened read-only and no writer has opened it.
00537  */
00538 /* #undef BROKEN_PIPE */
00539 
00540 /*
00541  * Define this if the unix-domain socket implementation doesn't
00542  * create a socket in the filesystem.
00543  */
00544 /* #undef SOCK_NOT_IN_FS */
00545 
00546 /*
00547  * If your system has setenv() and unsetenv() define USESETENV
00548  */
00549 #define USESETENV 1
00550 
00551 /*
00552  * If your system does not come with a setenv()/putenv()/getenv()
00553  * functions, you may bring in our own code by defining NEEDPUTENV.
00554  */
00555 /* #undef NEEDPUTENV */
00556 
00557 /*
00558  * If the passwords are stored in a shadow file and you want the
00559  * builtin lock to work properly, define SHADOWPW.
00560  */
00561 /* #undef SHADOWPW */
00562 
00563 /*
00564  * If you are on a SYS V machine that restricts filename length to 14
00565  * characters, you may need to enforce that by setting NAME_MAX to 14
00566  */
00567 /* #undef NAME_MAX */           /* KEEP_UNDEF_HERE override system value */
00568 /* #undef NAME_MAX */
00569 
00570 /*
00571  * define HAVE_RENAME if your system has a rename() function
00572  */
00573 #define HAVE_RENAME 1
00574 
00575 /*
00576  * define HAVE__EXIT if your system has the _exit() call.
00577  */
00578 #define HAVE__EXIT 1
00579 
00580 /*
00581  * define HAVE_LSTAT if your system has symlinks and the lstat() call.
00582  */
00583 #define HAVE_LSTAT 1
00584 
00585 /*
00586  * define HAVE_UTIMES if your system has the utimes() call.
00587  */
00588 #define HAVE_UTIMES 1
00589 
00590 /*
00591  * define HAVE_FCHOWN if your system has the fchown() call.
00592  */
00593 #define HAVE_FCHOWN 1
00594 
00595 /*
00596  * define HAVE_FCHMOD if your system has the fchmod() call.
00597  */
00598 #define HAVE_FCHMOD 1
00599 
00600 /*
00601  * define HAVE_VSNPRINTF if your system has vsnprintf() (GNU lib).
00602  */
00603 #define HAVE_VSNPRINTF 1
00604 
00605 /*
00606  * define HAVE_GETCWD if your system has the getcwd() call.
00607  */
00608 #define HAVE_GETCWD 1
00609 
00610 /*
00611  * define HAVE_SETLOCALE if your system has the setlocale() call.
00612  */
00613 #define HAVE_SETLOCALE 1
00614 
00615 /*
00616  * define HAVE_STRFTIME if your system has the strftime() call.
00617  */
00618 #define HAVE_STRFTIME 1
00619 
00620 /*
00621  * define HAVE_NL_LANGINFO if your system has the nl_langinfo() call
00622  * and <langinfo.h> defines CODESET.
00623  */
00624 #define HAVE_NL_LANGINFO 1
00625 
00626 /*
00627  * Newer versions of Solaris include fdwalk, which can greatly improve
00628  * the startup time of screen; otherwise screen spends a lot of time
00629  * closing file descriptors.
00630  */
00631 /* #undef HAVE_FDWALK */
00632 
00633 /*
00634  * define HAVE_DEV_PTC if you have a /dev/ptc character special
00635  * device.
00636  */
00637 /* #undef HAVE_DEV_PTC */
00638 
00639 /*
00640  * define HAVE_SVR4_PTYS if you have a /dev/ptmx character special
00641  * device and support the ptsname(), grantpt(), unlockpt() functions.
00642  */
00643 #define HAVE_SVR4_PTYS 1
00644 
00645 /*
00646  * define HAVE_GETPT if you have the getpt() function.
00647  */
00648 /* #undef HAVE_GETPT */
00649 
00650 /*
00651  * define HAVE_OPENPTY if your system has the openpty() call.
00652  */
00653 /* #undef HAVE_OPENPTY */
00654 
00655 /*
00656  * define PTYRANGE0 and or PTYRANGE1 if you want to adapt screen
00657  * to unusual environments. E.g. For SunOs the defaults are "qpr" and
00658  * "0123456789abcdef". For SunOs 4.1.2
00659  * #define PTYRANGE0 "pqrstuvwxyzPQRST"
00660  * is recommended by Dan Jacobson.
00661  */
00662 /* #undef PTYRANGE0 */
00663 /* #undef PTYRANGE1 */
00664 

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