]> code.delx.au - gnu-emacs/blob - src/config.in
(HAVE_WORKING_VFORK): New #undef.
[gnu-emacs] / src / config.in
1 /* GNU Emacs site configuration template file. -*- C -*-
2 Copyright (C) 1988, 1993, 1994, 1999, 2000 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21
22 /* No code in Emacs #includes config.h twice, but some of the code
23 intended to work with other packages as well (like gmalloc.c)
24 think they can include it as many times as they like. */
25 #ifndef EMACS_CONFIG_H
26 #define EMACS_CONFIG_H
27
28 /* These are all defined in the top-level Makefile by configure.
29 They're here only for reference. */
30
31 /* Define GNU_MALLOC if you want to use the GNU memory allocator. */
32 #undef GNU_MALLOC
33
34 /* Define if you are using the GNU C Library. */
35 #undef DOUG_LEA_MALLOC
36
37 /* Define REL_ALLOC if you want to use the relocating allocator for
38 buffer space. */
39 #undef REL_ALLOC
40
41 /* Define HAVE_X_WINDOWS if you want to use the X window system. */
42 #undef HAVE_X_WINDOWS
43
44 /* Define HAVE_X11 if you want to use version 11 of X windows.
45 Otherwise, Emacs expects to use version 10. */
46 #undef HAVE_X11
47
48 /* Define if using an X toolkit. */
49 #undef USE_X_TOOLKIT
50
51 /* Define this if you're using XFree386. */
52 #undef HAVE_XFREE386
53
54 /* Define this if you have Motif 2.1 or newer. */
55 #undef HAVE_MOTIF_2_1
56
57 /* Define HAVE_MENUS if you have mouse menus.
58 (This is automatic if you use X, but the option to specify it remains.)
59 It is also defined with other window systems that support xmenu.c. */
60 #undef HAVE_MENUS
61
62 /* Define if we have the X11R6 or newer version of Xt. */
63 #undef HAVE_X11XTR6
64
65 /* Define if we have the X11R6 or newer version of Xlib. */
66 #undef HAVE_X11R6
67
68 /* Define if we have the X11R5 or newer version of Xlib. */
69 #undef HAVE_X11R5
70
71 /* Define if we have the XPM libary. */
72 #undef HAVE_XPM
73
74 /* Define if we have the PNG library. */
75 #undef HAVE_PNG
76
77 /* Define if we have the JPEG library. */
78 #undef HAVE_JPEG
79
80 /* Define if we have the TIFF library. */
81 #undef HAVE_TIFF
82
83 /* Define if we have the GIF library. */
84 #undef HAVE_GIF
85
86 /* Define if libXaw3d is available. */
87 #undef HAVE_XAW3D
88
89 /* Define if we should use toolkit scroll bars. */
90 #undef USE_TOOLKIT_SCROLL_BARS
91
92 /* Define if we should use XIM, if it is available. */
93 #undef USE_XIM
94
95 /* Define if netdb.h declares h_errno. */
96 #undef HAVE_H_ERRNO
97
98 /* If we're using any sort of window system, define some consequences. */
99 #ifdef HAVE_X_WINDOWS
100 #define HAVE_WINDOW_SYSTEM
101 #define MULTI_KBOARD
102 #define HAVE_MOUSE
103 #endif
104
105 /* Define USER_FULL_NAME to return a string
106 that is the user's full name.
107 It can assume that the variable `pw'
108 points to the password file entry for this user.
109
110 At some sites, the pw_gecos field contains
111 the user's full name. If neither this nor any other
112 field contains the right thing, use pw_name,
113 giving the user's login name, since that is better than nothing. */
114 #define USER_FULL_NAME pw->pw_gecos
115
116 /* Define AMPERSAND_FULL_NAME if you use the convention
117 that & in the full name stands for the login id. */
118 /* Turned on June 1996 supposing nobody will mind it. */
119 #define AMPERSAND_FULL_NAME
120
121 /* Things set by --with options in the configure script. */
122
123 /* Define to support POP mail retrieval. */
124 #undef MAIL_USE_POP
125
126 /* Define to support Kerberos-authenticated POP mail retrieval. */
127 #undef KERBEROS
128 /* Define to use Kerberos 5 instead of Kerberos 4 */
129 #undef KERBEROS5
130 /* Define to support GSS-API in addition to (or instead of) Kerberos */
131 #undef GSSAPI
132
133 /* Define to support using a Hesiod database to find the POP server. */
134 #undef HESIOD
135 #undef HAVE_LIBHESIOD
136
137 /* Header for Voxware or PCM sound card driver. */
138 #undef HAVE_MACHINE_SOUNDCARD_H
139 #undef HAVE_SYS_SOUNDCARD_H
140 #undef HAVE_SOUNDCARD_H
141
142 /* Define HAVE_SOUND if we have sound support. We know it works
143 and compiles only on the specified platforms. For others,
144 it probably doesn't make sense to try. */
145
146 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
147 #ifdef HAVE_MACHINE_SOUNDCARD_H
148 #define HAVE_SOUND 1
149 #endif
150 #ifdef HAVE_SYS_SOUNDCARD_H
151 #define HAVE_SOUND 1
152 #endif
153 #ifdef HAVE_SOUNDCARD_H
154 #define HAVE_SOUND 1
155 #endif
156 #endif /* __FreeBSD__ || __NetBSD__ || __linux__ */
157
158 /* Some things figured out by the configure script, grouped as they are in
159 configure.in. */
160 #ifndef _ALL_SOURCE /* suppress warning if this is pre-defined */
161 #undef _ALL_SOURCE
162 #endif
163
164 #undef HAVE_SYS_SELECT_H
165 #undef HAVE_SYS_TIMEB_H
166 #undef HAVE_SYS_TIME_H
167 #undef HAVE_UNISTD_H
168 #undef HAVE_UTIME_H
169 #undef HAVE_LINUX_VERSION_H
170 #undef HAVE_SYS_SYSTEMINFO_H
171 #undef HAVE_TERMIOS_H
172 #undef HAVE_LIMITS_H
173 #undef HAVE_STRING_H
174 #undef HAVE_STDLIB_H
175 #undef HAVE_TERMCAP_H
176 #undef HAVE_TERM_H
177 #undef HAVE_STDIO_EXT_H
178 #undef STDC_HEADERS
179 #undef TIME_WITH_SYS_TIME
180 #undef HAVE_VFORK_H
181 #undef HAVE_FCNTL_H
182 #undef HAVE_SETITIMER
183 #undef HAVE_UALARM
184 #undef HAVE_SYS_WAIT_H
185 #undef HAVE_STRINGS_H
186 #undef HAVE_COFF_H
187
188 #undef HAVE_LIBDNET
189 #undef HAVE_LIBPTHREADS
190 #undef HAVE_LIBRESOLV
191 #undef HAVE_LIBXMU
192 #undef HAVE_LIBNCURSES
193 #undef HAVE_LIBINTL
194 #undef HAVE_LIBXP
195
196 /* movemail Kerberos support */
197 /* libraries */
198 #undef HAVE_LIBKRB
199 #undef HAVE_LIBKRB4
200 #undef HAVE_LIBDES
201 #undef HAVE_LIBDES425
202 #undef HAVE_LIBKRB5
203 #undef HAVE_LIBCRYPTO
204 #undef HAVE_LIBK5CRYPTO
205 #undef HAVE_LIBCOM_ERR
206 /* header files */
207 #undef HAVE_KRB5_H
208 #undef HAVE_DES_H
209 #undef HAVE_KRB_H
210 #undef HAVE_KERBEROSIV_DES_H
211 #undef HAVE_KERBEROSIV_KRB_H
212 #undef HAVE_KERBEROS_DES_H
213 #undef HAVE_KERBEROS_KRB_H
214 #undef HAVE_COM_ERR_H
215
216 /* GSS-API libraries and headers */
217 #undef HAVE_LIBGSSAPI_KRB5
218 #undef HAVE_LIBGSSAPI
219 #undef HAVE_GSSAPI_H
220
221 /* Mail-file locking */
222 #undef HAVE_LIBMAIL
223 #undef HAVE_MAILLOCK_H
224 #undef HAVE_TOUCHLOCK
225
226 #undef HAVE_ALLOCA_H
227
228 #undef HAVE_DEV_PTMX
229
230 #undef HAVE_GETTIMEOFDAY
231 /* If we don't have gettimeofday,
232 the test for GETTIMEOFDAY_ONE_ARGUMENT may succeed,
233 but we should ignore it. */
234 #ifdef HAVE_GETTIMEOFDAY
235 #undef GETTIMEOFDAY_ONE_ARGUMENT
236 #endif
237 #undef HAVE_GETHOSTNAME
238 #undef HAVE_GETDOMAINNAME
239 #undef HAVE_DUP2
240 #undef HAVE_RENAME
241 #undef HAVE_CLOSEDIR
242
243 #undef TM_IN_SYS_TIME
244 #undef HAVE_TM_ZONE
245 #undef HAVE_TZNAME
246 #undef HAVE_TM_GMTOFF
247
248 #undef const
249
250 #undef HAVE_LONG_FILE_NAMES
251
252 #undef CRAY_STACKSEG_END
253
254 #undef UNEXEC_SRC
255
256 #undef HAVE_LIBXBSD
257 #undef HAVE_XRMSETDATABASE
258 #undef HAVE_XSCREENRESOURCESTRING
259 #undef HAVE_XSCREENNUMBEROFSCREEN
260 #undef HAVE_XSETWMPROTOCOLS
261 #undef HAVE_XKBGETKEYBOARD
262
263 #undef HAVE_MKDIR
264 #undef HAVE_RMDIR
265 #undef HAVE_SYSINFO
266 #undef HAVE_RANDOM
267 #undef HAVE_LRAND48
268 #undef HAVE_BCOPY
269 #undef HAVE_BCMP
270 #undef HAVE_LOGB
271 #undef HAVE_FREXP
272 #undef HAVE_FMOD
273 #undef HAVE_RINT
274 #undef HAVE_CBRT
275 #undef HAVE_FTIME
276 #undef HAVE_RES_INIT /* For -lresolv on Suns. */
277 #undef HAVE_SETSID
278 #undef HAVE_FPATHCONF
279 #undef HAVE_SELECT
280 #undef HAVE_MKTIME
281 #undef BROKEN_MKTIME /* have mktime but it's broken */
282 #undef HAVE_EUIDACCESS
283 #undef HAVE_GETPAGESIZE
284 #undef HAVE_TZSET
285 #undef HAVE_SETLOCALE
286 #undef HAVE_UTIMES
287 #undef HAVE_SETRLIMIT
288 #undef HAVE_SETPGID
289 #undef HAVE_GETCWD
290 #undef HAVE_GETWD
291 #undef HAVE_SHUTDOWN
292 #undef HAVE_STRFTIME
293 #undef HAVE_GETADDRINFO
294 #undef HAVE___FPENDING
295 #undef HAVE_FSEEKO
296 #undef HAVE_GETLOADAVG
297 #undef NLIST_STRUCT
298 #undef NLIST_NAME_UNION
299 #undef HAVE_MBLEN
300 #undef HAVE_MBRLEN
301 #undef HAVE_STRSIGNAL
302 #undef HAVE_GRANTPT
303 #undef HAVE_GETPT
304 #undef HAVE_SPEED_T /* speed_t typedef in termios.h */
305 #undef HAVE_STRUCT_TIMEZONE
306 #undef HAVE_INDEX
307 #undef HAVE_RINDEX
308 #undef HAVE_MMAP
309 #undef HAVE_GAI_STRERROR
310 #undef HAVE_MKSTEMP
311
312 #undef LOCALTIME_CACHE
313 #undef HAVE_INET_SOCKETS
314
315 #undef HAVE_AIX_SMT_EXP
316
317 #undef HAVE_WORKING_VFORK
318 #undef vfork
319 #undef size_t
320
321 /* Define if you have the ANSI `strerror' function.
322 Otherwise you must have the variable `char *sys_errlist[]'. */
323 #undef HAVE_STRERROR
324
325 /* Define if `sys_siglist' is declared by <signal.h>. */
326 #undef SYS_SIGLIST_DECLARED
327
328 /* Define if `struct utimbuf' is declared by <utime.h>. */
329 #undef HAVE_STRUCT_UTIMBUF
330
331 /* Define if `struct timeval' is declared by <sys/time.h>. */
332 #undef HAVE_TIMEVAL
333
334 /* If using GNU, then support inline function declarations. */
335 /* Don't try to switch on inline handling as detected by AC_C_INLINE
336 generally, because even if non-gcc compilers accept `inline', they
337 may reject `extern inline'. */
338 #ifdef __GNUC__
339 #define INLINE __inline__
340 #else
341 #define INLINE
342 #endif
343
344 /* Define this if you don't have struct exception in math.h. */
345 #undef NO_MATHERR
346
347 /* Define as `void' if your compiler accepts `void *'; otherwise
348 define as `char'. */
349 #undef POINTER_TYPE
350 #define PTR POINTER_TYPE * /* For strftime.c. */
351
352 /* Number of bits in a file offset, on hosts where this is settable. */
353 #undef _FILE_OFFSET_BITS
354 /* Define to make ftello visible on some hosts (e.g. HP-UX 10.20). */
355 #undef _LARGEFILE_SOURCE
356 /* Define for large files, on AIX-style hosts. */
357 #undef _LARGE_FILES
358
359 #undef EMACS_CONFIGURATION
360
361 #undef EMACS_CONFIG_OPTIONS
362
363 /* The configuration script defines opsysfile to be the name of the
364 s/SYSTEM.h file that describes the system type you are using. The file
365 is chosen based on the configuration name you give.
366
367 See the file ../etc/MACHINES for a list of systems and the
368 configuration names to use for them.
369
370 See s/template.h for documentation on writing s/SYSTEM.h files. */
371 #undef config_opsysfile
372 #include config_opsysfile
373
374 /* The configuration script defines machfile to be the name of the
375 m/MACHINE.h file that describes the machine you are using. The file is
376 chosen based on the configuration name you give.
377
378 See the file ../etc/MACHINES for a list of machines and the
379 configuration names to use for them.
380
381 See m/template.h for documentation on writing m/MACHINE.h files. */
382 #undef config_machfile
383 #include config_machfile
384
385 /* Load in the conversion definitions if this system
386 needs them and the source file being compiled has not
387 said to inhibit this. There should be no need for you
388 to alter these lines. */
389
390 #ifdef SHORTNAMES
391 #ifndef NO_SHORTNAMES
392 #include "../shortnames/remap.h"
393 #endif /* not NO_SHORTNAMES */
394 #endif /* SHORTNAMES */
395
396 /* If no remapping takes place, static variables cannot be dumped as
397 pure, so don't worry about the `static' keyword. */
398 #ifdef NO_REMAP
399 #undef static
400 #endif
401
402 /* Define `subprocesses' should be defined if you want to
403 have code for asynchronous subprocesses
404 (as used in M-x compile and M-x shell).
405 These do not work for some USG systems yet;
406 for the ones where they work, the s/SYSTEM.h file defines this flag. */
407
408 #ifndef VMS
409 #ifndef USG
410 /* #define subprocesses */
411 #endif
412 #endif
413
414 /* Define LD_SWITCH_SITE to contain any special flags your loader may need. */
415 #undef LD_SWITCH_SITE
416
417 /* Define C_SWITCH_SITE to contain any special flags your compiler needs. */
418 #undef C_SWITCH_SITE
419
420 /* Define LD_SWITCH_X_SITE to contain any special flags your loader
421 may need to deal with X Windows. For instance, if you've defined
422 HAVE_X_WINDOWS above and your X libraries aren't in a place that
423 your loader can find on its own, you might want to add "-L/..." or
424 something similar. */
425 #undef LD_SWITCH_X_SITE
426
427 /* Define LD_SWITCH_X_SITE_AUX with an -R option
428 in case it's needed (for Solaris, for example). */
429 #undef LD_SWITCH_X_SITE_AUX
430
431 /* Define C_SWITCH_X_SITE to contain any special flags your compiler
432 may need to deal with X Windows. For instance, if you've defined
433 HAVE_X_WINDOWS above and your X include files aren't in a place
434 that your compiler can find on its own, you might want to add
435 "-I/..." or something similar. */
436 #undef C_SWITCH_X_SITE
437
438 /* Define STACK_DIRECTION here, but not if m/foo.h did. */
439 #ifndef STACK_DIRECTION
440 #undef STACK_DIRECTION
441 #endif
442
443 /* Define the return type of signal handlers if the s-xxx file
444 did not already do so. */
445 #define RETSIGTYPE void
446
447 /* SIGTYPE is the macro we actually use. */
448 #ifndef SIGTYPE
449 #define SIGTYPE RETSIGTYPE
450 #endif
451
452 #ifdef emacs /* Don't do this for lib-src. */
453 /* Tell regex.c to use a type compatible with Emacs. */
454 #define RE_TRANSLATE_TYPE Lisp_Object
455 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
456 #define RE_TRANSLATE_P(TBL) (XFASTINT (TBL) != 0)
457 #endif
458
459 /* Avoid link-time collision with system mktime if we will use our own. */
460 #if ! HAVE_MKTIME || BROKEN_MKTIME
461 #define mktime emacs_mktime
462 #endif
463
464 /* The rest of the code currently tests the CPP symbol BSTRING.
465 Override any claims made by the system-description files.
466 Note that on some SCO version it is possible to have bcopy and not bcmp. */
467 #undef BSTRING
468 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
469 #define BSTRING
470 #endif
471
472 /* Define to empty if the keyword `volatile' does not work. Warning:
473 valid code using `volatile' can become incorrect without. Disable
474 with care. */
475 #undef volatile
476
477 /* Some of the files of Emacs which are intended for use with other
478 programs assume that if you have a config.h file, you must declare
479 the type of getenv.
480
481 This declaration shouldn't appear when alloca.s or Makefile.in
482 includes config.h. */
483 #ifndef NOT_C_CODE
484 extern char *getenv ();
485 #endif
486
487 #endif /* EMACS_CONFIG_H */
488
489 /* These default definitions are good for almost all machines.
490 The exceptions override them in m/MACHINE.h. */
491
492 #ifndef BITS_PER_CHAR
493 #define BITS_PER_CHAR 8
494 #endif
495
496 #ifndef BITS_PER_SHORT
497 #define BITS_PER_SHORT 16
498 #endif
499
500 /* Note that lisp.h uses this in a preprocessor conditional, so it
501 would not work to use sizeof. That being so, we do all of them
502 without sizeof, for uniformity's sake. */
503 #ifndef BITS_PER_INT
504 #define BITS_PER_INT 32
505 #endif
506
507 #ifndef BITS_PER_LONG
508 #ifdef _LP64
509 #define BITS_PER_LONG 64
510 #else
511 #define BITS_PER_LONG 32
512 #endif
513 #endif
514
515 /* Define if the compiler supports function prototypes. It may do so
516 but not define __STDC__ (e.g. DEC C by default) or may define it as
517 zero. */
518 #undef PROTOTYPES
519 /* For mktime.c: */
520 #ifndef __P
521 # if defined PROTOTYPES
522 # define __P(args) args
523 # else
524 # define __P(args) ()
525 # endif /* GCC. */
526 #endif /* __P */
527
528
529 /* Don't include "string.h" or <stdlib.h> in non-C code. */
530 #ifndef NOT_C_CODE
531 #ifdef HAVE_STRING_H
532 #include "string.h"
533 #endif
534 #ifdef HAVE_STDLIB_H
535 #include <stdlib.h>
536 #endif
537 #endif
538
539 /* Define HAVE_X_I18N if we have usable i18n support. */
540
541 #ifdef HAVE_X11R6
542 #define HAVE_X_I18N
543 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
544 #define HAVE_X_I18N
545 #endif
546
547 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */
548
549 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
550 #define HAVE_X11R6_XIM
551 #endif
552
553 /* Should we enable expensive run-time checking of data types? */
554 #undef ENABLE_CHECKING
555
556 #if defined __GNUC__ && (__GNUC__ > 2 \
557 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
558 #define NO_RETURN __attribute__ ((__noreturn__))
559 #else
560 #define NO_RETURN /* nothing */
561 #endif