Stop assuming interval pointers and lisp objects can be distinguished by
[bpt/emacs.git] / 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 netdb.h declares h_errno. */
93 #undef HAVE_H_ERRNO
94
95 /* If we're using any sort of window system, define some consequences. */
96 #ifdef HAVE_X_WINDOWS
97 #define HAVE_WINDOW_SYSTEM
98 #define MULTI_KBOARD
99 #define HAVE_MOUSE
100 #endif
101
102 /* Define USER_FULL_NAME to return a string
103 that is the user's full name.
104 It can assume that the variable `pw'
105 points to the password file entry for this user.
106
107 At some sites, the pw_gecos field contains
108 the user's full name. If neither this nor any other
109 field contains the right thing, use pw_name,
110 giving the user's login name, since that is better than nothing. */
111 #define USER_FULL_NAME pw->pw_gecos
112
113 /* Define AMPERSAND_FULL_NAME if you use the convention
114 that & in the full name stands for the login id. */
115 /* Turned on June 1996 supposing nobody will mind it. */
116 #define AMPERSAND_FULL_NAME
117
118 /* Things set by --with options in the configure script. */
119
120 /* Define to support POP mail retrieval. */
121 #undef MAIL_USE_POP
122
123 /* Define to support Kerberos-authenticated POP mail retrieval. */
124 #undef KERBEROS
125 /* Define to use Kerberos 5 instead of Kerberos 4 */
126 #undef KERBEROS5
127 /* Define to support GSS-API in addition to (or instead of) Kerberos */
128 #undef GSSAPI
129
130 /* Define to support using a Hesiod database to find the POP server. */
131 #undef HESIOD
132
133 /* Header for Voxware or PCM sound card driver. */
134 #undef HAVE_MACHINE_SOUNDCARD_H
135 #undef HAVE_SYS_SOUNDCARD_H
136
137 /* Define HAVE_SOUND if we have sound support. */
138 #ifdef HAVE_MACHINE_SOUNDCARD_H
139 #define HAVE_SOUND 1
140 #endif
141 #ifdef HAVE_SYS_SOUNDCARD_H
142 #define HAVE_SOUND 1
143 #endif
144
145 /* Some things figured out by the configure script, grouped as they are in
146 configure.in. */
147 #ifndef _ALL_SOURCE /* suppress warning if this is pre-defined */
148 #undef _ALL_SOURCE
149 #endif
150
151 #undef HAVE_SYS_SELECT_H
152 #undef HAVE_SYS_TIMEB_H
153 #undef HAVE_SYS_TIME_H
154 #undef HAVE_UNISTD_H
155 #undef HAVE_UTIME_H
156 #undef HAVE_LINUX_VERSION_H
157 #undef HAVE_SYS_SYSTEMINFO_H
158 #undef HAVE_TERMIOS_H
159 #undef HAVE_LIMITS_H
160 #undef HAVE_STRING_H
161 #undef HAVE_STDLIB_H
162 #undef HAVE_TERMCAP_H
163 #undef HAVE_STDIO_EXT_H
164 #undef STDC_HEADERS
165 #undef TIME_WITH_SYS_TIME
166 #undef HAVE_VFORK_H
167 #undef HAVE_SETITIMER
168 #undef HAVE_UALARM
169
170 #undef HAVE_LIBDNET
171 #undef HAVE_LIBPTHREADS
172 #undef HAVE_LIBRESOLV
173 #undef HAVE_LIBXMU
174 #undef HAVE_LIBNCURSES
175 #undef HAVE_LIBINTL
176 #undef HAVE_LIBXP
177
178 /* movemail Kerberos support */
179 /* libraries */
180 #undef HAVE_LIBKRB
181 #undef HAVE_LIBKRB4
182 #undef HAVE_LIBDES
183 #undef HAVE_LIBDES425
184 #undef HAVE_LIBKRB5
185 #undef HAVE_LIBCRYPTO
186 #undef HAVE_LIBCOM_ERR
187 /* header files */
188 #undef HAVE_KRB5_H
189 #undef HAVE_DES_H
190 #undef HAVE_KRB_H
191 #undef HAVE_KERBEROSIV_DES_H
192 #undef HAVE_KERBEROSIV_KRB_H
193 #undef HAVE_KERBEROS_DES_H
194 #undef HAVE_KERBEROS_KRB_H
195 #undef HAVE_COM_ERR_H
196
197 /* GSS-API libraries and headers */
198 #undef HAVE_LIBGSSAPI_KRB5
199 #undef HAVE_LIBGSSAPI
200 #undef HAVE_GSSAPI_H
201
202 /* Mail-file locking */
203 #undef HAVE_LIBMAIL
204 #undef HAVE_MAILLOCK_H
205 #undef HAVE_TOUCHLOCK
206
207 #undef HAVE_ALLOCA_H
208
209 #undef HAVE_DEV_PTMX
210
211 #undef HAVE_GETTIMEOFDAY
212 /* If we don't have gettimeofday,
213 the test for GETTIMEOFDAY_ONE_ARGUMENT may succeed,
214 but we should ignore it. */
215 #ifdef HAVE_GETTIMEOFDAY
216 #undef GETTIMEOFDAY_ONE_ARGUMENT
217 #endif
218 #undef HAVE_GETHOSTNAME
219 #undef HAVE_GETDOMAINNAME
220 #undef HAVE_DUP2
221 #undef HAVE_RENAME
222 #undef HAVE_CLOSEDIR
223
224 #undef TM_IN_SYS_TIME
225 #undef HAVE_TM_ZONE
226 #undef HAVE_TZNAME
227 #undef HAVE_TM_GMTOFF
228
229 #undef const
230
231 #undef HAVE_LONG_FILE_NAMES
232
233 #undef CRAY_STACKSEG_END
234
235 #undef UNEXEC_SRC
236
237 #undef HAVE_LIBXBSD
238 #undef HAVE_XRMSETDATABASE
239 #undef HAVE_XSCREENRESOURCESTRING
240 #undef HAVE_XSCREENNUMBEROFSCREEN
241 #undef HAVE_XSETWMPROTOCOLS
242
243 #undef HAVE_MKDIR
244 #undef HAVE_RMDIR
245 #undef HAVE_SYSINFO
246 #undef HAVE_RANDOM
247 #undef HAVE_LRAND48
248 #undef HAVE_BCOPY
249 #undef HAVE_BCMP
250 #undef HAVE_LOGB
251 #undef HAVE_FREXP
252 #undef HAVE_FMOD
253 #undef HAVE_RINT
254 #undef HAVE_CBRT
255 #undef HAVE_FTIME
256 #undef HAVE_RES_INIT /* For -lresolv on Suns. */
257 #undef HAVE_SETSID
258 #undef HAVE_FPATHCONF
259 #undef HAVE_SELECT
260 #undef HAVE_MKTIME
261 #undef HAVE_EUIDACCESS
262 #undef HAVE_GETPAGESIZE
263 #undef HAVE_TZSET
264 #undef HAVE_SETLOCALE
265 #undef HAVE_UTIMES
266 #undef HAVE_SETRLIMIT
267 #undef HAVE_SETPGID
268 #undef HAVE_GETCWD
269 #undef HAVE_SHUTDOWN
270 #undef HAVE_STRFTIME
271 #undef HAVE_GETADDRINFO
272 #undef HAVE___FPENDING
273 #undef HAVE_FTELLO
274 #undef HAVE_GETLOADAVG
275 #undef HAVE_MBLEN
276 #undef HAVE_MBRLEN
277 #undef HAVE_STRSIGNAL
278
279 #undef LOCALTIME_CACHE
280 #undef HAVE_INET_SOCKETS
281
282 #undef HAVE_AIX_SMT_EXP
283
284 #undef vfork
285
286 /* Define if you have the ANSI `strerror' function.
287 Otherwise you must have the variable `char *sys_errlist[]'. */
288 #undef HAVE_STRERROR
289
290 /* Define if `sys_siglist' is declared by <signal.h>. */
291 #undef SYS_SIGLIST_DECLARED
292
293 /* Define if `struct utimbuf' is declared by <utime.h>. */
294 #undef HAVE_STRUCT_UTIMBUF
295
296 /* Define if `struct timeval' is declared by <sys/time.h>. */
297 #undef HAVE_TIMEVAL
298
299 /* If using GNU, then support inline function declarations. */
300 /* Don't try to switch on inline handling as detected by AC_C_INLINE
301 generally, because even if non-gcc compilers accept `inline', they
302 may reject `extern inline'. */
303 #ifdef __GNUC__
304 #define INLINE __inline__
305 #else
306 #define INLINE
307 #endif
308
309 #undef EMACS_CONFIGURATION
310
311 #undef EMACS_CONFIG_OPTIONS
312
313 /* The configuration script defines opsysfile to be the name of the
314 s/SYSTEM.h file that describes the system type you are using. The file
315 is chosen based on the configuration name you give.
316
317 See the file ../etc/MACHINES for a list of systems and the
318 configuration names to use for them.
319
320 See s/template.h for documentation on writing s/SYSTEM.h files. */
321 #undef config_opsysfile
322 #include config_opsysfile
323
324 /* The configuration script defines machfile to be the name of the
325 m/MACHINE.h file that describes the machine you are using. The file is
326 chosen based on the configuration name you give.
327
328 See the file ../etc/MACHINES for a list of machines and the
329 configuration names to use for them.
330
331 See m/template.h for documentation on writing m/MACHINE.h files. */
332 #undef config_machfile
333 #include config_machfile
334
335 /* Load in the conversion definitions if this system
336 needs them and the source file being compiled has not
337 said to inhibit this. There should be no need for you
338 to alter these lines. */
339
340 #ifdef SHORTNAMES
341 #ifndef NO_SHORTNAMES
342 #include "../shortnames/remap.h"
343 #endif /* not NO_SHORTNAMES */
344 #endif /* SHORTNAMES */
345
346 /* If no remapping takes place, static variables cannot be dumped as
347 pure, so don't worry about the `static' keyword. */
348 #ifdef NO_REMAP
349 #undef static
350 #endif
351
352 /* Define `subprocesses' should be defined if you want to
353 have code for asynchronous subprocesses
354 (as used in M-x compile and M-x shell).
355 These do not work for some USG systems yet;
356 for the ones where they work, the s/SYSTEM.h file defines this flag. */
357
358 #ifndef VMS
359 #ifndef USG
360 /* #define subprocesses */
361 #endif
362 #endif
363
364 /* Define LD_SWITCH_SITE to contain any special flags your loader may need. */
365 #undef LD_SWITCH_SITE
366
367 /* Define C_SWITCH_SITE to contain any special flags your compiler needs. */
368 #undef C_SWITCH_SITE
369
370 /* Define LD_SWITCH_X_SITE to contain any special flags your loader
371 may need to deal with X Windows. For instance, if you've defined
372 HAVE_X_WINDOWS above and your X libraries aren't in a place that
373 your loader can find on its own, you might want to add "-L/..." or
374 something similar. */
375 #undef LD_SWITCH_X_SITE
376
377 /* Define LD_SWITCH_X_SITE_AUX with an -R option
378 in case it's needed (for Solaris, for example). */
379 #undef LD_SWITCH_X_SITE_AUX
380
381 /* Define C_SWITCH_X_SITE to contain any special flags your compiler
382 may need to deal with X Windows. For instance, if you've defined
383 HAVE_X_WINDOWS above and your X include files aren't in a place
384 that your compiler can find on its own, you might want to add
385 "-I/..." or something similar. */
386 #undef C_SWITCH_X_SITE
387
388 /* Define STACK_DIRECTION here, but not if m/foo.h did. */
389 #ifndef STACK_DIRECTION
390 #undef STACK_DIRECTION
391 #endif
392
393 /* Define the return type of signal handlers if the s-xxx file
394 did not already do so. */
395 #define RETSIGTYPE void
396
397 /* SIGTYPE is the macro we actually use. */
398 #ifndef SIGTYPE
399 #define SIGTYPE RETSIGTYPE
400 #endif
401
402 #ifdef emacs /* Don't do this for lib-src. */
403 /* Tell regex.c to use a type compatible with Emacs. */
404 #define RE_TRANSLATE_TYPE Lisp_Object
405 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
406 #define RE_TRANSLATE_P(TBL) (XFASTINT (TBL) != 0)
407 #endif
408
409 /* Avoid link-time collision with system mktime if we will use our own. */
410 #if ! HAVE_MKTIME || BROKEN_MKTIME
411 #define mktime emacs_mktime
412 #endif
413
414 /* The rest of the code currently tests the CPP symbol BSTRING.
415 Override any claims made by the system-description files.
416 Note that on some SCO version it is possible to have bcopy and not bcmp. */
417 #undef BSTRING
418 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
419 #define BSTRING
420 #endif
421
422 /* Define to empty if the keyword `volatile' does not work. Warning:
423 valid code using `volatile' can become incorrect without. Disable
424 with care. */
425 #undef volatile
426
427 /* Some of the files of Emacs which are intended for use with other
428 programs assume that if you have a config.h file, you must declare
429 the type of getenv.
430
431 This declaration shouldn't appear when alloca.s or Makefile.in
432 includes config.h. */
433 #ifndef NOT_C_CODE
434 extern char *getenv ();
435 #endif
436
437 #endif /* EMACS_CONFIG_H */
438
439 /* These default definitions are good for almost all machines.
440 The exceptions override them in m/MACHINE.h. */
441
442 #ifndef BITS_PER_CHAR
443 #define BITS_PER_CHAR 8
444 #endif
445
446 #ifndef BITS_PER_SHORT
447 #define BITS_PER_SHORT 16
448 #endif
449
450 /* Note that lisp.h uses this in a preprocessor conditional, so it
451 would not work to use sizeof. That being so, we do all of them
452 without sizeof, for uniformity's sake. */
453 #ifndef BITS_PER_INT
454 #define BITS_PER_INT 32
455 #endif
456
457 #ifndef BITS_PER_LONG
458 #ifdef _LP64
459 #define BITS_PER_LONG 64
460 #else
461 #define BITS_PER_LONG 32
462 #endif
463 #endif
464
465 /* Define as `void' if your compiler accepts `void *'; otherwise
466 define as `char'. */
467 #undef POINTER_TYPE
468 #define PTR POINTER_TYPE * /* For strftime.c. */
469
470 /* Define if the compiler supports function prototypes. It may do so
471 but not define __STDC__ (e.g. DEC C by default) or may define it as
472 zero. */
473 #undef PROTOTYPES
474 /* For mktime.c: */
475 #ifndef __P
476 # if defined PROTOTYPES
477 # define __P(args) args
478 # else
479 # define __P(args) ()
480 # endif /* GCC. */
481 #endif /* __P */
482
483
484 /* Don't include "string.h" or <stdlib.h> in non-C code. */
485 #ifndef NOT_C_CODE
486 #ifdef HAVE_STRING_H
487 #include "string.h"
488 #endif
489 #ifdef HAVE_STDLIB_H
490 #include <stdlib.h>
491 #endif
492 #endif
493
494 /* Define HAVE_X_I18N if we have usable i18n support. */
495
496 #ifdef HAVE_X11R6
497 #define HAVE_X_I18N
498 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
499 #define HAVE_X_I18N
500 #endif
501
502 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */
503
504 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
505 #define HAVE_X11R6_XIM
506 #endif
507
508 /* Should we enable expensive run-time checking of data types? */
509 #undef ENABLE_CHECKING