Extern declare syms_of_xsmfns ().
[bpt/emacs.git] / src / config.in
CommitLineData
1cbd5d9d 1/* GNU Emacs site configuration template file. -*- C -*-
308a4793 2 Copyright (C) 1988, 1993, 1994, 1999, 2000 Free Software Foundation, Inc.
6c4f352f
JB
3
4This file is part of GNU Emacs.
5
eb963e25
RS
6GNU Emacs is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
6c4f352f 11GNU Emacs is distributed in the hope that it will be useful,
eb963e25
RS
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
1fb87c77
KH
17along with GNU Emacs; see the file COPYING. If not, write to the
18Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19Boston, MA 02111-1307, USA. */
6c4f352f
JB
20
21
7e1fc708
JB
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
cf91f754
JB
28/* These are all defined in the top-level Makefile by configure.
29 They're here only for reference. */
30
3689ff14 31/* Define GNU_MALLOC if you want to use the GNU memory allocator. */
783f85c7 32#undef GNU_MALLOC
cf91f754 33
3689ff14
RS
34/* Define if you are using the GNU C Library. */
35#undef DOUG_LEA_MALLOC
36
cf91f754
JB
37/* Define REL_ALLOC if you want to use the relocating allocator for
38 buffer space. */
783f85c7 39#undef REL_ALLOC
cf91f754 40
6c4f352f 41/* Define HAVE_X_WINDOWS if you want to use the X window system. */
783f85c7 42#undef HAVE_X_WINDOWS
6c4f352f
JB
43
44/* Define HAVE_X11 if you want to use version 11 of X windows.
45 Otherwise, Emacs expects to use version 10. */
783f85c7 46#undef HAVE_X11
6c4f352f 47
2ae41520
RS
48/* Define if using an X toolkit. */
49#undef USE_X_TOOLKIT
50
cf91f754 51/* Define this if you're using XFree386. */
783f85c7 52#undef HAVE_XFREE386
cf91f754 53
46266d2b
RS
54/* Define this if you have Motif 2.1 or newer. */
55#undef HAVE_MOTIF_2_1
56
0afac48c
RS
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
6c4f352f 61
3c024044
RS
62/* Define if we have the X11R6 or newer version of Xt. */
63#undef HAVE_X11XTR6
64
c91b3402
RS
65/* Define if we have the X11R6 or newer version of Xlib. */
66#undef HAVE_X11R6
67
07ba43a2
RS
68/* Define if we have the X11R5 or newer version of Xlib. */
69#undef HAVE_X11R5
70
43c70fcf
GM
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
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GM
92/* Define if we should use XIM, if it is available. */
93#undef USE_XIM
94
0f0ed96e
RS
95/* Define if netdb.h declares h_errno. */
96#undef HAVE_H_ERRNO
97
87485d6f 98/* If we're using any sort of window system, define some consequences. */
efb859b4 99#ifdef HAVE_X_WINDOWS
6055eb04 100#define HAVE_WINDOW_SYSTEM
4648e527 101#define MULTI_KBOARD
87485d6f 102#define HAVE_MOUSE
6c4f352f
JB
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. */
6c4f352f
JB
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. */
0b292416
RS
118/* Turned on June 1996 supposing nobody will mind it. */
119#define AMPERSAND_FULL_NAME
783f85c7 120
cc642929
DM
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
9847d4f8
RS
128/* Define to use Kerberos 5 instead of Kerberos 4 */
129#undef KERBEROS5
e0834ad2
KH
130/* Define to support GSS-API in addition to (or instead of) Kerberos */
131#undef GSSAPI
cc642929
DM
132
133/* Define to support using a Hesiod database to find the POP server. */
134#undef HESIOD
84e70f78 135#undef HAVE_LIBHESIOD
cc642929 136
43c70fcf
GM
137/* Header for Voxware or PCM sound card driver. */
138#undef HAVE_MACHINE_SOUNDCARD_H
139#undef HAVE_SYS_SOUNDCARD_H
80fcd514 140#undef HAVE_SOUNDCARD_H
43c70fcf 141
8ea64148
GM
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__
43c70fcf
GM
147#ifdef HAVE_MACHINE_SOUNDCARD_H
148#define HAVE_SOUND 1
149#endif
150#ifdef HAVE_SYS_SOUNDCARD_H
80fcd514
KR
151#define HAVE_SOUND 1
152#endif
153#ifdef HAVE_SOUNDCARD_H
43c70fcf
GM
154#define HAVE_SOUND 1
155#endif
8ea64148 156#endif /* __FreeBSD__ || __NetBSD__ || __linux__ */
43c70fcf 157
b38f9ff3
JB
158/* Some things figured out by the configure script, grouped as they are in
159 configure.in. */
89149b9f 160#ifndef _ALL_SOURCE /* suppress warning if this is pre-defined */
2e36cabb 161#undef _ALL_SOURCE
89149b9f 162#endif
43c70fcf 163
ac23f116 164#undef HAVE_SYS_SELECT_H
783f85c7
JB
165#undef HAVE_SYS_TIMEB_H
166#undef HAVE_SYS_TIME_H
f5824775 167#undef HAVE_UNISTD_H
c22ba74f 168#undef HAVE_UTIME_H
b15dcacd 169#undef HAVE_LINUX_VERSION_H
8be8f474 170#undef HAVE_SYS_SYSTEMINFO_H
a87f7e83 171#undef HAVE_TERMIOS_H
99d15a7a 172#undef HAVE_LIMITS_H
d2e9bfae 173#undef HAVE_STRING_H
4a8443fc 174#undef HAVE_STDLIB_H
8bf4cd99 175#undef HAVE_TERMCAP_H
3cb3ace0 176#undef HAVE_TERM_H
68c45bf0
PE
177#undef HAVE_STDIO_EXT_H
178#undef STDC_HEADERS
179#undef TIME_WITH_SYS_TIME
92457a0b 180#undef HAVE_VFORK_H
a2242f28 181#undef HAVE_FCNTL_H
27413d99
GM
182#undef HAVE_SETITIMER
183#undef HAVE_UALARM
66a4b280 184#undef HAVE_SYS_WAIT_H
684578be 185#undef HAVE_STRINGS_H
e88fd712 186#undef HAVE_COFF_H
b38f9ff3
JB
187
188#undef HAVE_LIBDNET
c6287c61 189#undef HAVE_LIBPTHREADS
8fd8d4f9 190#undef HAVE_LIBRESOLV
62380da2 191#undef HAVE_LIBXMU
63273cc6 192#undef HAVE_LIBNCURSES
a3b81f96 193#undef HAVE_LIBINTL
f1b6f8a1 194#undef HAVE_LIBXP
9847d4f8
RS
195
196/* movemail Kerberos support */
197/* libraries */
0e82a181 198#undef HAVE_LIBKRB
9847d4f8 199#undef HAVE_LIBKRB4
0e82a181 200#undef HAVE_LIBDES
9847d4f8
RS
201#undef HAVE_LIBDES425
202#undef HAVE_LIBKRB5
203#undef HAVE_LIBCRYPTO
84e70f78 204#undef HAVE_LIBK5CRYPTO
9847d4f8
RS
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
b38f9ff3 215
e0834ad2
KH
216/* GSS-API libraries and headers */
217#undef HAVE_LIBGSSAPI_KRB5
218#undef HAVE_LIBGSSAPI
219#undef HAVE_GSSAPI_H
220
5aab7a72
RS
221/* Mail-file locking */
222#undef HAVE_LIBMAIL
223#undef HAVE_MAILLOCK_H
224#undef HAVE_TOUCHLOCK
225
783f85c7 226#undef HAVE_ALLOCA_H
b38f9ff3 227
ffe2d21f
GM
228#undef HAVE_DEV_PTMX
229
783f85c7 230#undef HAVE_GETTIMEOFDAY
ceab7ba4
RS
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
4f875022 235#undef GETTIMEOFDAY_ONE_ARGUMENT
ceab7ba4 236#endif
783f85c7 237#undef HAVE_GETHOSTNAME
8be8f474 238#undef HAVE_GETDOMAINNAME
783f85c7 239#undef HAVE_DUP2
8d117719 240#undef HAVE_RENAME
b38f9ff3
JB
241#undef HAVE_CLOSEDIR
242
243#undef TM_IN_SYS_TIME
e3120ab5 244#undef HAVE_TM_ZONE
4c074483 245#undef HAVE_TZNAME
68c45bf0 246#undef HAVE_TM_GMTOFF
b38f9ff3
JB
247
248#undef const
249
250#undef HAVE_LONG_FILE_NAMES
251
d6857413 252#undef CRAY_STACKSEG_END
b38f9ff3 253
12fc7232 254#undef UNEXEC_SRC
b38f9ff3
JB
255
256#undef HAVE_LIBXBSD
788442db 257#undef HAVE_XRMSETDATABASE
d8717d15 258#undef HAVE_XSCREENRESOURCESTRING
453a645a 259#undef HAVE_XSCREENNUMBEROFSCREEN
9aa1e752 260#undef HAVE_XSETWMPROTOCOLS
ef0234c7 261#undef HAVE_XKBGETKEYBOARD
d8717d15 262
23524fb9
JB
263#undef HAVE_MKDIR
264#undef HAVE_RMDIR
8be8f474 265#undef HAVE_SYSINFO
788442db 266#undef HAVE_RANDOM
19dd4ea7 267#undef HAVE_LRAND48
1f88d61e 268#undef HAVE_BCOPY
cadc2c79 269#undef HAVE_BCMP
6d3c6adb
JB
270#undef HAVE_LOGB
271#undef HAVE_FREXP
8fdeec37 272#undef HAVE_FMOD
f8e004fe
KH
273#undef HAVE_RINT
274#undef HAVE_CBRT
82c1ecc6 275#undef HAVE_FTIME
d00a8c78 276#undef HAVE_RES_INIT /* For -lresolv on Suns. */
f72ea981 277#undef HAVE_SETSID
c51b1a7c 278#undef HAVE_FPATHCONF
3395eec7 279#undef HAVE_SELECT
89e5d420 280#undef HAVE_MKTIME
3218b639 281#undef BROKEN_MKTIME /* have mktime but it's broken */
ef27a542 282#undef HAVE_EUIDACCESS
d73fe42b 283#undef HAVE_GETPAGESIZE
e67aa67d 284#undef HAVE_TZSET
0f8b42b1 285#undef HAVE_SETLOCALE
be072a32
RS
286#undef HAVE_UTIMES
287#undef HAVE_SETRLIMIT
d9c1c409 288#undef HAVE_SETPGID
cb581b1a 289#undef HAVE_GETCWD
1952184f 290#undef HAVE_GETWD
3045f956 291#undef HAVE_SHUTDOWN
9284a076 292#undef HAVE_STRFTIME
5c644c1d 293#undef HAVE_GETADDRINFO
68c45bf0 294#undef HAVE___FPENDING
bbf6e390 295#undef HAVE_FSEEKO
68c45bf0 296#undef HAVE_GETLOADAVG
3218b639
DL
297#undef NLIST_STRUCT
298#undef NLIST_NAME_UNION
68c45bf0
PE
299#undef HAVE_MBLEN
300#undef HAVE_MBRLEN
b218817d 301#undef HAVE_MBSINIT
68c45bf0 302#undef HAVE_STRSIGNAL
c4c9e136
GM
303#undef HAVE_GRANTPT
304#undef HAVE_GETPT
ab810648 305#undef HAVE_SPEED_T /* speed_t typedef in termios.h */
3cb3ace0 306#undef HAVE_STRUCT_TIMEZONE
684578be
GM
307#undef HAVE_INDEX
308#undef HAVE_RINDEX
b376258e 309#undef HAVE_MMAP
ae711423 310#undef HAVE_GAI_STRERROR
cb6cf843 311#undef HAVE_MKSTEMP
be072a32 312
f768c9cd 313#undef LOCALTIME_CACHE
edf2518b
RS
314#undef HAVE_INET_SOCKETS
315
b84b186a
JB
316#undef HAVE_AIX_SMT_EXP
317
3e48e9df 318#undef HAVE_WORKING_VFORK
92457a0b 319#undef vfork
9d8cf732 320#undef size_t
92457a0b 321
01239f72
RS
322/* Define if you have the ANSI `strerror' function.
323 Otherwise you must have the variable `char *sys_errlist[]'. */
324#undef HAVE_STRERROR
325
d21dd710
RM
326/* Define if `sys_siglist' is declared by <signal.h>. */
327#undef SYS_SIGLIST_DECLARED
328
2e36cabb
KH
329/* Define if `struct utimbuf' is declared by <utime.h>. */
330#undef HAVE_STRUCT_UTIMBUF
331
3395eec7
KH
332/* Define if `struct timeval' is declared by <sys/time.h>. */
333#undef HAVE_TIMEVAL
334
b8145012 335/* If using GNU, then support inline function declarations. */
308a4793
DL
336/* Don't try to switch on inline handling as detected by AC_C_INLINE
337 generally, because even if non-gcc compilers accept `inline', they
338 may reject `extern inline'. */
b8145012
JA
339#ifdef __GNUC__
340#define INLINE __inline__
341#else
342#define INLINE
343#endif
344
1952184f
DL
345/* Define this if you don't have struct exception in math.h. */
346#undef NO_MATHERR
347
348/* Define as `void' if your compiler accepts `void *'; otherwise
349 define as `char'. */
350#undef POINTER_TYPE
351#define PTR POINTER_TYPE * /* For strftime.c. */
352
a2242f28
DL
353/* Number of bits in a file offset, on hosts where this is settable. */
354#undef _FILE_OFFSET_BITS
355/* Define to make ftello visible on some hosts (e.g. HP-UX 10.20). */
356#undef _LARGEFILE_SOURCE
357/* Define for large files, on AIX-style hosts. */
358#undef _LARGE_FILES
a2242f28 359
5adcab53 360#undef EMACS_CONFIGURATION
b8fa02fd 361
f0151608
RS
362#undef EMACS_CONFIG_OPTIONS
363
783f85c7 364/* The configuration script defines opsysfile to be the name of the
cea00ac3 365 s/SYSTEM.h file that describes the system type you are using. The file
783f85c7 366 is chosen based on the configuration name you give.
cf91f754
JB
367
368 See the file ../etc/MACHINES for a list of systems and the
369 configuration names to use for them.
370
cea00ac3 371 See s/template.h for documentation on writing s/SYSTEM.h files. */
783f85c7
JB
372#undef config_opsysfile
373#include config_opsysfile
efb859b4 374
783f85c7 375/* The configuration script defines machfile to be the name of the
cea00ac3 376 m/MACHINE.h file that describes the machine you are using. The file is
783f85c7 377 chosen based on the configuration name you give.
cf91f754
JB
378
379 See the file ../etc/MACHINES for a list of machines and the
380 configuration names to use for them.
381
cea00ac3 382 See m/template.h for documentation on writing m/MACHINE.h files. */
783f85c7
JB
383#undef config_machfile
384#include config_machfile
5e1ad1f7 385
efb859b4
JB
386/* Load in the conversion definitions if this system
387 needs them and the source file being compiled has not
388 said to inhibit this. There should be no need for you
389 to alter these lines. */
390
391#ifdef SHORTNAMES
392#ifndef NO_SHORTNAMES
393#include "../shortnames/remap.h"
394#endif /* not NO_SHORTNAMES */
395#endif /* SHORTNAMES */
396
e114e160
RS
397/* If no remapping takes place, static variables cannot be dumped as
398 pure, so don't worry about the `static' keyword. */
399#ifdef NO_REMAP
400#undef static
401#endif
402
efb859b4
JB
403/* Define `subprocesses' should be defined if you want to
404 have code for asynchronous subprocesses
405 (as used in M-x compile and M-x shell).
406 These do not work for some USG systems yet;
cea00ac3 407 for the ones where they work, the s/SYSTEM.h file defines this flag. */
efb859b4
JB
408
409#ifndef VMS
410#ifndef USG
411/* #define subprocesses */
412#endif
413#endif
414
90e80f3c 415/* Define LD_SWITCH_SITE to contain any special flags your loader may need. */
783f85c7 416#undef LD_SWITCH_SITE
efb859b4 417
90e80f3c 418/* Define C_SWITCH_SITE to contain any special flags your compiler needs. */
783f85c7 419#undef C_SWITCH_SITE
efb859b4 420
90e80f3c
JB
421/* Define LD_SWITCH_X_SITE to contain any special flags your loader
422 may need to deal with X Windows. For instance, if you've defined
423 HAVE_X_WINDOWS above and your X libraries aren't in a place that
424 your loader can find on its own, you might want to add "-L/..." or
425 something similar. */
a27cbdde 426#undef LD_SWITCH_X_SITE
90e80f3c 427
6a6d7d25
RS
428/* Define LD_SWITCH_X_SITE_AUX with an -R option
429 in case it's needed (for Solaris, for example). */
430#undef LD_SWITCH_X_SITE_AUX
431
90e80f3c
JB
432/* Define C_SWITCH_X_SITE to contain any special flags your compiler
433 may need to deal with X Windows. For instance, if you've defined
434 HAVE_X_WINDOWS above and your X include files aren't in a place
435 that your compiler can find on its own, you might want to add
436 "-I/..." or something similar. */
a27cbdde 437#undef C_SWITCH_X_SITE
90e80f3c 438
a6b512bf
RS
439/* Define STACK_DIRECTION here, but not if m/foo.h did. */
440#ifndef STACK_DIRECTION
441#undef STACK_DIRECTION
442#endif
443
a33ef3ab
JB
444/* Define the return type of signal handlers if the s-xxx file
445 did not already do so. */
cf91f754 446#define RETSIGTYPE void
7e1fc708 447
cf91f754
JB
448/* SIGTYPE is the macro we actually use. */
449#ifndef SIGTYPE
450#define SIGTYPE RETSIGTYPE
1dc4f30a
JB
451#endif
452
d26a6872
RS
453#ifdef emacs /* Don't do this for lib-src. */
454/* Tell regex.c to use a type compatible with Emacs. */
11257d61 455#define RE_TRANSLATE_TYPE Lisp_Object
44eba967 456#define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
7874f8a6 457#define RE_TRANSLATE_P(TBL) (XFASTINT (TBL) != 0)
d26a6872
RS
458#endif
459
89e5d420
PE
460/* Avoid link-time collision with system mktime if we will use our own. */
461#if ! HAVE_MKTIME || BROKEN_MKTIME
462#define mktime emacs_mktime
463#endif
464
1f88d61e 465/* The rest of the code currently tests the CPP symbol BSTRING.
cadc2c79
RS
466 Override any claims made by the system-description files.
467 Note that on some SCO version it is possible to have bcopy and not bcmp. */
1f88d61e 468#undef BSTRING
cadc2c79 469#if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
1f88d61e
JB
470#define BSTRING
471#endif
472
308a4793
DL
473/* Define to empty if the keyword `volatile' does not work. Warning:
474 valid code using `volatile' can become incorrect without. Disable
475 with care. */
476#undef volatile
1dc4f30a 477
7e1fc708
JB
478/* Some of the files of Emacs which are intended for use with other
479 programs assume that if you have a config.h file, you must declare
8b0c35d9
JB
480 the type of getenv.
481
64b25365 482 This declaration shouldn't appear when alloca.s or Makefile.in
8b0c35d9
JB
483 includes config.h. */
484#ifndef NOT_C_CODE
7e1fc708
JB
485extern char *getenv ();
486#endif
487
488#endif /* EMACS_CONFIG_H */
2017bc3d
RS
489
490/* These default definitions are good for almost all machines.
f11c1c14 491 The exceptions override them in m/MACHINE.h. */
2017bc3d
RS
492
493#ifndef BITS_PER_CHAR
494#define BITS_PER_CHAR 8
495#endif
496
497#ifndef BITS_PER_SHORT
498#define BITS_PER_SHORT 16
499#endif
500
501/* Note that lisp.h uses this in a preprocessor conditional, so it
502 would not work to use sizeof. That being so, we do all of them
503 without sizeof, for uniformity's sake. */
504#ifndef BITS_PER_INT
505#define BITS_PER_INT 32
506#endif
507
508#ifndef BITS_PER_LONG
68c45bf0
PE
509#ifdef _LP64
510#define BITS_PER_LONG 64
511#else
2017bc3d
RS
512#define BITS_PER_LONG 32
513#endif
68c45bf0 514#endif
d2e9bfae 515
308a4793
DL
516/* Define if the compiler supports function prototypes. It may do so
517 but not define __STDC__ (e.g. DEC C by default) or may define it as
518 zero. */
519#undef PROTOTYPES
520/* For mktime.c: */
521#ifndef __P
522# if defined PROTOTYPES
523# define __P(args) args
524# else
525# define __P(args) ()
526# endif /* GCC. */
527#endif /* __P */
528
529
68c45bf0 530/* Don't include "string.h" or <stdlib.h> in non-C code. */
69927a6c 531#ifndef NOT_C_CODE
d2e9bfae
RS
532#ifdef HAVE_STRING_H
533#include "string.h"
534#endif
68c45bf0
PE
535#ifdef HAVE_STDLIB_H
536#include <stdlib.h>
537#endif
69927a6c 538#endif
25e9f929
GM
539
540/* Define HAVE_X_I18N if we have usable i18n support. */
541
542#ifdef HAVE_X11R6
543#define HAVE_X_I18N
544#elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
545#define HAVE_X_I18N
546#endif
547
548/* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */
549
550#if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
551#define HAVE_X11R6_XIM
552#endif
e0b8c689
KR
553
554/* Should we enable expensive run-time checking of data types? */
555#undef ENABLE_CHECKING
86014a26 556
0813074c
GM
557#if defined __GNUC__ && (__GNUC__ > 2 \
558 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
86014a26
GM
559#define NO_RETURN __attribute__ ((__noreturn__))
560#else
561#define NO_RETURN /* nothing */
562#endif