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[gnu-emacs] / configure.in
1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
3 dnl autoconf
4 dnl in the directory containing this script.
5 dnl
6 dnl Copyright (C) 1994, 1995, 1996, 1999, 2000 Free Software Foundation, Inc.
7 dnl
8 dnl This file is part of GNU Emacs.
9 dnl
10 dnl GNU Emacs is free software; you can redistribute it and/or modify
11 dnl it under the terms of the GNU General Public License as published by
12 dnl the Free Software Foundation; either version 2, or (at your option)
13 dnl any later version.
14 dnl
15 dnl GNU Emacs is distributed in the hope that it will be useful,
16 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
17 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 dnl GNU General Public License for more details.
19 dnl
20 dnl You should have received a copy of the GNU General Public License
21 dnl along with GNU Emacs; see the file COPYING. If not, write to the
22 dnl Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 dnl Boston, MA 02111-1307, USA.
24
25 AC_PREREQ(2.8)dnl
26 AC_INIT(src/lisp.h)
27 AC_CONFIG_HEADER(src/config.h:src/config.in)
28
29 lispdir='${datadir}/emacs/${version}/lisp'
30 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
31 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
32 lisppath='${locallisppath}:${lispdir}'
33 etcdir='${datadir}/emacs/${version}/etc'
34 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
35 docdir='${datadir}/emacs/${version}/etc'
36
37 AC_ARG_WITH(gcc,
38 [ --without-gcc don't use GCC to compile Emacs if GCC is found])
39 AC_ARG_WITH(pop,
40 [ --without-pop don't support POP mail retrieval with movemail],
41 [if test "$withval" = yes; then
42 AC_DEFINE(MAIL_USE_POP)
43 else :
44 fi],
45 AC_DEFINE(MAIL_USE_POP))
46 AC_ARG_WITH(kerberos,
47 [ --with-kerberos support Kerberos-authenticated POP],
48 [AC_DEFINE(KERBEROS)])
49 AC_ARG_WITH(kerberos5,
50 [ --with-kerberos5 support Kerberos version 5 authenticated POP],
51 [if test "${with_kerberos5+set}" = set; then
52 if test "${with_kerberos+set}" != set; then
53 with_kerberos=yes
54 AC_DEFINE(KERBEROS)
55 fi
56 fi
57 AC_DEFINE(KERBEROS5)])
58 AC_ARG_WITH(hesiod,
59 [ --with-hesiod support Hesiod to get the POP server host],
60 [AC_DEFINE(HESIOD)])
61 dnl This should be the last --with option, because --with-x is
62 dnl added later on when we find the path of X, and it's best to
63 dnl keep them together visually.
64 AC_ARG_WITH(x-toolkit,
65 [ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif/no)],
66 [ case "${withval}" in
67 y | ye | yes ) val=athena ;;
68 n | no ) val=no ;;
69 l | lu | luc | luci | lucid ) val=lucid ;;
70 a | at | ath | athe | athen | athena ) val=athena ;;
71 m | mo | mot | moti | motif ) val=motif ;;
72 dnl These don't currently work.
73 dnl o | op | ope | open | open- | open-l | open-lo \
74 dnl | open-loo | open-look ) val=open-look ;;
75 * )
76 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
77 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
78 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
79 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
80 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
81 ;;
82 esac
83 with_x_toolkit=$val
84 ])
85 AC_ARG_WITH(xpm,
86 [ --with-xpm use -lXpm for displaying XPM images])
87 AC_ARG_WITH(jpeg,
88 [ --with-jpeg use -ljpeg for displaying JPEG images])
89 AC_ARG_WITH(tiff,
90 [ --with-tiff use -ltiff for displaying TIFF images])
91 AC_ARG_WITH(gif,
92 [ --with-gif use -lungif for displaying GIF images])
93 AC_ARG_WITH(png,
94 [ --with-png use -lpng for displaying PNG images])
95 AC_ARG_WITH(toolkit-scroll-bars,
96 [ --without-toolkit-scroll-bars
97 don't use Motif or Xaw3d scroll bars])
98 AC_ARG_WITH(xim,
99 [ --without-xim don't use X11 XIM])
100
101 #### Make srcdir absolute, if it isn't already. It's important to
102 #### avoid running the path through pwd unnecessary, since pwd can
103 #### give you automounter prefixes, which can go away. We do all this
104 #### so Emacs can find its files when run uninstalled.
105 case "${srcdir}" in
106 /* ) ;;
107 . )
108 ## We may be able to use the $PWD environment variable to make this
109 ## absolute. But sometimes PWD is inaccurate.
110 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
111 unset CDPATH
112 if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
113 then
114 srcdir="$PWD"
115 else
116 srcdir="`(cd ${srcdir}; pwd)`"
117 fi
118 ;;
119 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
120 esac
121
122 #### Check if the source directory already has a configured system in it.
123 if test `pwd` != `(cd ${srcdir} && pwd)` \
124 && test -f "${srcdir}/src/config.h" ; then
125 AC_MSG_WARN([The directory tree \`${srcdir}' is being used
126 as a build directory right now; it has been configured in its own
127 right. To configure in another directory as well, you MUST
128 use GNU make. If you do not have GNU make, then you must
129 now do \`make distclean' in ${srcdir},
130 and then run $0 again.])
131
132 changequote(, )dnl
133 extrasub='/^VPATH[ ]*=/c\
134 changequote([, ])dnl
135 vpath %.c $(srcdir)\
136 vpath %.h $(srcdir)\
137 vpath %.y $(srcdir)\
138 vpath %.l $(srcdir)\
139 vpath %.s $(srcdir)\
140 vpath %.in $(srcdir)\
141 vpath %.texi $(srcdir)'
142 fi
143
144 #### Given the configuration name, set machfile and opsysfile to the
145 #### names of the m/*.h and s/*.h files we should use.
146
147 ### Canonicalize the configuration name.
148
149 AC_CANONICAL_HOST
150 canonical=$host
151 configuration=$host_alias
152
153 changequote(, )dnl
154
155 ### If you add support for a new configuration, add code to this
156 ### switch statement to recognize your configuration name and select
157 ### the appropriate operating system and machine description files.
158
159 ### You would hope that you could choose an m/*.h file pretty much
160 ### based on the machine portion of the configuration name, and an s-
161 ### file based on the operating system portion. However, it turns out
162 ### that each m/*.h file is pretty manufacturer-specific - for
163 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
164 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
165 ### machines. So we basically have to have a special case for each
166 ### configuration name.
167 ###
168 ### As far as handling version numbers on operating systems is
169 ### concerned, make sure things will fail in a fixable way. If
170 ### /etc/MACHINES doesn't say anything about version numbers, be
171 ### prepared to handle anything reasonably. If version numbers
172 ### matter, be sure /etc/MACHINES says something about it.
173 ###
174 ### Eric Raymond says we should accept strings like "sysvr4" to mean
175 ### "System V Release 4"; he writes, "The old convention encouraged
176 ### confusion between `system' and `release' levels'."
177
178 machine='' opsys='' unported=no
179 case "${canonical}" in
180
181 ## NetBSD ports
182 *-*-netbsd* )
183 opsys=netbsd
184 case "${canonical}" in
185 alpha*-*-netbsd*) machine=alpha ;;
186 i[3456]86-*-netbsd*) machine=intel386 ;;
187 m68k-*-netbsd*)
188 # This is somewhat bogus.
189 machine=hp9000s300 ;;
190 powerpc-apple-netbsd*) machine=macppc ;;
191 mips-*-netbsd*) machine=pmax ;;
192 mipsel-*-netbsd*) machine=pmax ;;
193 ns32k-*-netbsd*) machine=ns32000 ;;
194 powerpc-*-netbsd*) machine=macppc ;;
195 sparc-*-netbsd*) machine=sparc ;;
196 vax-*-netbsd*) machine=vax ;;
197 arm-*-netbsd*) machine=arm ;;
198 esac
199 ;;
200
201 ## OpenBSD ports
202 *-*-openbsd* )
203 opsys=openbsd
204 case "${canonical}" in
205 alpha*-*-openbsd*) machine=alpha ;;
206 i386-*-openbsd*) machine=intel386 ;;
207 m68k-*-openbsd*) machine=hp9000s300 ;;
208 mipsel-*-openbsd*) machine=pmax ;;
209 ns32k-*-openbsd*) machine=ns32000 ;;
210 sparc-*-openbsd*) machine=sparc ;;
211 vax-*-openbsd*) machine=vax ;;
212 esac
213 ;;
214
215 ## Acorn RISCiX:
216 arm-acorn-riscix1.1* )
217 machine=acorn opsys=riscix1-1
218 ;;
219 arm-acorn-riscix1.2* | arm-acorn-riscix )
220 ## This name is riscix12 instead of riscix1.2
221 ## to avoid a file name conflict on MSDOS.
222 machine=acorn opsys=riscix12
223 ;;
224
225 ## BSDI ports
226 *-*-bsdi* )
227 opsys=bsdi
228 case "${canonical}" in
229 i[345]86-*-bsdi*) machine=intel386 ;;
230 sparc-*-bsdi*) machine=sparc ;;
231 powerpc-*-bsdi*) machine=powerpc ;;
232 esac
233 case "${canonical}" in
234 *-*-bsd386* | *-*-bsdi1* ) opsys=bsd386 ;;
235 *-*-bsdi2.0* ) opsys=bsdos2 ;;
236 *-*-bsdi2* ) opsys=bsdos2-1 ;;
237 *-*-bsdi3* ) opsys=bsdos3 ;;
238 *-*-bsdi4* ) opsys=bsdos4 ;;
239 esac
240 ;;
241
242 ## Alliant machines
243 ## Strictly speaking, we need the version of the alliant operating
244 ## system to choose the right machine file, but currently the
245 ## configuration name doesn't tell us enough to choose the right
246 ## one; we need to give alliants their own operating system name to
247 ## do this right. When someone cares, they can help us.
248 fx80-alliant-* )
249 machine=alliant4 opsys=bsd4-2
250 ;;
251 i860-alliant-* )
252 machine=alliant-2800 opsys=bsd4-3
253 ;;
254
255 ## Alpha (DEC) machines.
256 alpha*-dec-osf* )
257 machine=alpha opsys=osf1
258 # This is needed to find X11R6.1 libraries for certain tests.
259 NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
260 GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
261 case "${canonical}" in
262 # This is necessary on 5.0 to avoid mangling src/Makefile.
263 # Separated out in case it causes problems on earlier versions.
264 alpha*-dec-osf[5-9]*)
265 opsys=osf5-0
266 NON_GNU_CPP='cpp' ;;
267 esac
268 ;;
269
270 alpha*-*-linux-gnu* )
271 machine=alpha opsys=gnu-linux
272 ;;
273
274 arm*-*-linux-gnu* )
275 machine=arm opsys=gnu-linux
276 ;;
277
278 ppc-*-linux | \
279 powerpc-*-linux* )
280 machine=powerpc opsys=gnu-linux
281 ;;
282
283 ## Altos 3068
284 m68*-altos-sysv* )
285 machine=altos opsys=usg5-2
286 ;;
287
288 ## Amdahl UTS
289 580-amdahl-sysv* )
290 machine=amdahl opsys=usg5-2-2
291 ;;
292
293 ## Apollo, Domain/OS
294 m68*-apollo-* )
295 machine=apollo opsys=bsd4-3
296 ;;
297
298 ## AT&T 3b2, 3b5, 3b15, 3b20
299 we32k-att-sysv* )
300 machine=att3b opsys=usg5-2-2
301 ;;
302
303 ## AT&T 3b1 - The Mighty Unix PC!
304 m68*-att-sysv* )
305 machine=7300 opsys=usg5-2-2
306 ;;
307
308 ## Bull dpx20
309 rs6000-bull-bosx* )
310 machine=ibmrs6000 opsys=aix3-2
311 ;;
312
313 ## Bull dpx2
314 m68*-bull-sysv3* )
315 machine=dpx2 opsys=usg5-3
316 ;;
317
318 ## Bull sps7
319 m68*-bull-sysv2* )
320 machine=sps7 opsys=usg5-2
321 ;;
322
323 ## CCI 5/32, 6/32 -- see "Tahoe".
324
325 ## Celerity
326 ## I don't know what configuration name to use for this; config.sub
327 ## doesn't seem to know anything about it. Hey, Celerity users, get
328 ## in touch with us!
329 celerity-celerity-bsd* )
330 machine=celerity opsys=bsd4-2
331 ;;
332
333 ## Clipper
334 ## What operating systems does this chip run that Emacs has been
335 ## tested on?
336 clipper-* )
337 machine=clipper
338 ## We'll use the catch-all code at the bottom to guess the
339 ## operating system.
340 ;;
341
342 ## Convex
343 *-convex-bsd* | *-convex-convexos* )
344 machine=convex opsys=bsd4-3
345 ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
346 NON_GNU_CPP="cc -E -P"
347 ;;
348
349 ## Cubix QBx/386
350 i[3456]86-cubix-sysv* )
351 machine=intel386 opsys=usg5-3
352 ;;
353
354 ## Cydra 5
355 cydra*-cydrome-sysv* )
356 machine=cydra5 opsys=usg5-3
357 ;;
358
359 ## Data General AViiON Machines
360 ## DG changed naming conventions with the release of 5.4.4.10, they
361 ## dropped the initial 5.4 but left the intervening R. Because of the
362 ## R this shouldn't conflict with older versions of the OS (which I
363 ## think were named like dgux4.*). In addition, DG new AViiONs series
364 ## uses either Motorola M88k or Intel Pentium CPUs.
365 m88k-dg-dguxR4.* | m88k-dg-dgux4* )
366 machine=aviion opsys=dgux4
367 ;;
368 m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
369 ## This name is dgux5-4-3 instead of dgux5-4r3
370 ## to avoid a file name conflict on MSDOS.
371 machine=aviion opsys=dgux5-4-3
372 ;;
373 m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
374 machine=aviion opsys=dgux5-4r2
375 ;;
376 m88k-dg-dgux* )
377 machine=aviion opsys=dgux
378 ;;
379
380 ## Data General AViiON Intel (x86) Machines
381 ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
382 ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
383 i[345]86-dg-dguxR4* )
384 machine=aviion-intel opsys=dgux4
385 ;;
386
387 ## DECstations
388 mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
389 machine=pmax opsys=bsd4-2
390 ;;
391 mips-dec-ultrix4.[12]* | mips-dec-bsd* )
392 machine=pmax opsys=bsd4-3
393 ;;
394 mips-dec-ultrix* )
395 machine=pmax opsys=ultrix4-3
396 ;;
397 mips-dec-osf* )
398 machine=pmax opsys=osf1
399 ;;
400 mips-dec-mach_bsd4.3* )
401 machine=pmax opsys=mach-bsd4-3
402 ;;
403
404 ## Motorola Delta machines
405 m68k-motorola-sysv* | m68000-motorola-sysv* )
406 machine=delta opsys=usg5-3
407 if test -z "`type gnucc | grep 'not found'`"
408 then
409 if test -s /etc/167config
410 then CC="gnucc -m68040"
411 else CC="gnucc -m68881"
412 fi
413 else
414 if test -z "`type gcc | grep 'not found'`"
415 then CC=gcc
416 else CC=cc
417 fi
418 fi
419 ;;
420 m88k-motorola-sysv4* )
421 # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
422 # needs POSIX_SIGNALS and therefore needs usg5-4-2.
423 # I hope there are not other 4.0 versions for this machine
424 # which really need usg5-4 instead.
425 machine=delta88k opsys=usg5-4-2
426 ;;
427 m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
428 machine=delta88k opsys=usg5-3
429 ;;
430
431 ## Dual machines
432 m68*-dual-sysv* )
433 machine=dual opsys=usg5-2
434 ;;
435 m68*-dual-uniplus* )
436 machine=dual opsys=unipl5-2
437 ;;
438
439 ## Elxsi 6400
440 elxsi-elxsi-sysv* )
441 machine=elxsi opsys=usg5-2
442 ;;
443
444 ## Encore machines
445 ns16k-encore-bsd* )
446 machine=ns16000 opsys=umax
447 ;;
448
449 ## The GEC 63 - apparently, this port isn't really finished yet.
450 # I'm sure we finished off the last of the machines, though. -- fx
451
452 ## Gould Power Node and NP1
453 pn-gould-bsd4.2* )
454 machine=gould opsys=bsd4-2
455 ;;
456 pn-gould-bsd4.3* )
457 machine=gould opsys=bsd4-3
458 ;;
459 np1-gould-bsd* )
460 machine=gould-np1 opsys=bsd4-3
461 ;;
462
463 ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
464 ## as far as Emacs is concerned).
465 m88k-harris-cxux* )
466 # Build needs to be different on 7.0 and later releases
467 case "`uname -r`" in
468 [56].[0-9] ) machine=nh4000 opsys=cxux ;;
469 [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
470 esac
471 NON_GNU_CPP="/lib/cpp"
472 ;;
473 ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
474 m68k-harris-cxux* )
475 machine=nh3000 opsys=cxux
476 ;;
477 ## Harris power pc NightHawk running Power UNIX (Series 6000)
478 powerpc-harris-powerunix )
479 machine=nh6000 opsys=powerunix
480 NON_GNU_CPP="cc -Xo -E -P"
481 ;;
482 ## SR2001/SR2201 running HI-UX/MPP
483 hppa1.1-hitachi-hiuxmpp* )
484 machine=sr2k opsys=hiuxmpp
485 ;;
486 ## Honeywell XPS100
487 xps*-honeywell-sysv* )
488 machine=xps100 opsys=usg5-2
489 ;;
490
491 ## HP 9000 series 200 or 300
492 m68*-hp-bsd* )
493 machine=hp9000s300 opsys=bsd4-3
494 ;;
495 ## HP/UX 7, 8, 9, and 10 are supported on these machines.
496 m68*-hp-hpux* )
497 case "`uname -r`" in
498 ## Someone's system reports A.B8.05 for this.
499 ## I wonder what other possibilities there are.
500 *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
501 *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
502 *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
503 *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
504 *) machine=hp9000s300 opsys=hpux ;;
505 esac
506 ;;
507
508 ## HP 9000 series 700 and 800, running HP/UX
509 hppa*-hp-hpux7* )
510 machine=hp800 opsys=hpux
511 ;;
512 hppa*-hp-hpux8* )
513 machine=hp800 opsys=hpux8
514 ;;
515 hppa*-hp-hpux9shr* )
516 machine=hp800 opsys=hpux9shr
517 ;;
518 hppa*-hp-hpux9* )
519 machine=hp800 opsys=hpux9
520 ;;
521 hppa*-hp-hpux1[0-9]* )
522 machine=hp800 opsys=hpux10
523 ;;
524
525 ## HP 9000 series 700 and 800, running HP/UX
526 hppa*-hp-hpux* )
527 ## Cross-compilation? Nah!
528 case "`uname -r`" in
529 ## Someone's system reports A.B8.05 for this.
530 ## I wonder what other possibilities there are.
531 *.B8.* ) machine=hp800 opsys=hpux8 ;;
532 *.08.* ) machine=hp800 opsys=hpux8 ;;
533 *.09.* ) machine=hp800 opsys=hpux9 ;;
534 *) machine=hp800 opsys=hpux10 ;;
535 esac
536 ;;
537 hppa*-*-nextstep* )
538 machine=hp800 opsys=nextstep
539 ;;
540
541 ## Orion machines
542 orion-orion-bsd* )
543 machine=orion opsys=bsd4-2
544 ;;
545 clipper-orion-bsd* )
546 machine=orion105 opsys=bsd4-2
547 ;;
548
549 ## IBM machines
550 i[3456]86-ibm-aix1.1* )
551 machine=ibmps2-aix opsys=usg5-2-2
552 ;;
553 i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
554 machine=ibmps2-aix opsys=usg5-3
555 ;;
556 i370-ibm-aix*)
557 machine=ibm370aix opsys=usg5-3
558 ;;
559 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
560 machine=ibmrs6000 opsys=aix3-1
561 ;;
562 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
563 machine=ibmrs6000 opsys=aix3-2-5
564 ;;
565 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
566 machine=ibmrs6000 opsys=aix4-1
567 ;;
568 rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2* )
569 machine=ibmrs6000 opsys=aix4-2
570 ;;
571 rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0* )
572 machine=ibmrs6000 opsys=aix4
573 ;;
574 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
575 machine=ibmrs6000 opsys=aix4-1
576 ;;
577 rs6000-ibm-aix* | powerpc-ibm-aix* )
578 machine=ibmrs6000 opsys=aix3-2
579 ;;
580 romp-ibm-bsd4.3* )
581 machine=ibmrt opsys=bsd4-3
582 ;;
583 romp-ibm-bsd4.2* )
584 machine=ibmrt opsys=bsd4-2
585 ;;
586 romp-ibm-aos4.3* )
587 machine=ibmrt opsys=bsd4-3
588 ;;
589 romp-ibm-aos4.2* )
590 machine=ibmrt opsys=bsd4-2
591 ;;
592 romp-ibm-aos* )
593 machine=ibmrt opsys=bsd4-3
594 ;;
595 romp-ibm-bsd* )
596 machine=ibmrt opsys=bsd4-3
597 ;;
598 romp-ibm-aix* )
599 machine=ibmrt-aix opsys=usg5-2-2
600 ;;
601
602 ## Integrated Solutions `Optimum V'
603 m68*-isi-bsd4.2* )
604 machine=isi-ov opsys=bsd4-2
605 ;;
606 m68*-isi-bsd4.3* )
607 machine=isi-ov opsys=bsd4-3
608 ;;
609
610 ## Intel 386 machines where we do care about the manufacturer
611 i[3456]86-intsys-sysv* )
612 machine=is386 opsys=usg5-2-2
613 ;;
614
615 ## Prime EXL
616 i[3456]86-prime-sysv* )
617 machine=i386 opsys=usg5-3
618 ;;
619
620 ## Sequent Symmetry running Dynix
621 i[3456]86-sequent-bsd* )
622 machine=symmetry opsys=bsd4-3
623 ;;
624
625 ## Sequent Symmetry running ptx 4, which is a modified SVR4.
626 i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
627 machine=sequent-ptx opsys=ptx4
628 NON_GNU_CPP=/lib/cpp
629 ;;
630
631 ## Sequent Symmetry running DYNIX/ptx
632 ## Use the old cpp rather than the newer ANSI one.
633 i[3456]86-sequent-ptx* )
634 machine=sequent-ptx opsys=ptx
635 NON_GNU_CPP="/lib/cpp"
636 ;;
637
638 ## ncr machine running svr4.3.
639 i[3456]86-ncr-sysv4.3 )
640 machine=ncr386 opsys=usg5-4-3
641 ;;
642
643 ## Unspecified sysv on an ncr machine defaults to svr4.2.
644 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
645 i[3456]86-ncr-sysv* )
646 machine=ncr386 opsys=usg5-4-2
647 ;;
648
649 ## Intel Paragon OSF/1
650 i860-intel-osf1* )
651 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
652 ;;
653
654 ## Intel 860
655 i860-*-sysv4* )
656 machine=i860 opsys=usg5-4
657 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
658 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
659 ;;
660
661 ## Macintosh PowerPC
662 powerpc*-*-linux-gnu* )
663 machine=macppc opsys=gnu-linux
664 ;;
665
666 ## Masscomp machines
667 m68*-masscomp-rtu* )
668 machine=masscomp opsys=rtu
669 ;;
670
671 ## Megatest machines
672 m68*-megatest-bsd* )
673 machine=mega68 opsys=bsd4-2
674 ;;
675
676 ## Workstations sold by MIPS
677 ## This is not necessarily all workstations using the MIPS processor -
678 ## Irises are produced by SGI, and DECstations by DEC.
679
680 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
681 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
682 ## it gives for choosing between the alternatives seems to be "Use
683 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
684 ## the BSD world." I'll assume that these are instructions for
685 ## handling two odd situations, and that every other situation
686 ## should use mips.h and usg5-2-2, they being listed first.
687 mips-mips-usg* )
688 machine=mips4
689 ## Fall through to the general code at the bottom to decide on the OS.
690 ;;
691 mips-mips-riscos4* )
692 machine=mips4 opsys=bsd4-3
693 NON_GNU_CC="cc -systype bsd43"
694 NON_GNU_CPP="cc -systype bsd43 -E"
695 ;;
696 mips-mips-riscos5* )
697 machine=mips4 opsys=riscos5
698 NON_GNU_CC="cc -systype bsd43"
699 NON_GNU_CPP="cc -systype bsd43 -E"
700 ;;
701 mips-mips-bsd* )
702 machine=mips opsys=bsd4-3
703 ;;
704 mips-mips-* )
705 machine=mips opsys=usg5-2-2
706 ;;
707
708 ## NeXT
709 m68*-next-* | m68k-*-nextstep* )
710 machine=m68k opsys=nextstep
711 ;;
712
713 ## The complete machine from National Semiconductor
714 ns32k-ns-genix* )
715 machine=ns32000 opsys=usg5-2
716 ;;
717
718 ## NCR machines
719 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
720 machine=tower32 opsys=usg5-2-2
721 ;;
722 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
723 machine=tower32v3 opsys=usg5-3
724 ;;
725
726 ## NEC EWS4800
727 mips-nec-sysv4*)
728 machine=ews4800 opsys=ux4800
729 ;;
730
731 ## Nixdorf Targon 31
732 m68*-nixdorf-sysv* )
733 machine=targon31 opsys=usg5-2-2
734 ;;
735
736 ## Nu (TI or LMI)
737 m68*-nu-sysv* )
738 machine=nu opsys=usg5-2
739 ;;
740
741 ## Plexus
742 m68*-plexus-sysv* )
743 machine=plexus opsys=usg5-2
744 ;;
745
746 ## PowerPC reference platform
747 powerpcle-*-solaris2* )
748 machine=prep
749 opsys=sol2-5
750 ;;
751
752 ## Pyramid machines
753 ## I don't really have any idea what sort of processor the Pyramid has,
754 ## so I'm assuming it is its own architecture.
755 pyramid-pyramid-bsd* )
756 machine=pyramid opsys=bsd4-2
757 ;;
758
759 ## Sequent Balance
760 ns32k-sequent-bsd4.2* )
761 machine=sequent opsys=bsd4-2
762 ;;
763 ns32k-sequent-bsd4.3* )
764 machine=sequent opsys=bsd4-3
765 ;;
766
767 ## Siemens Nixdorf
768 mips-siemens-sysv* | mips-sni-sysv*)
769 machine=mips-siemens opsys=usg5-4
770 NON_GNU_CC=/usr/ccs/bin/cc
771 NON_GNU_CPP=/usr/ccs/lib/cpp
772 ;;
773
774 ## Silicon Graphics machines
775 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
776 m68*-sgi-iris3.5* )
777 machine=irist opsys=iris3-5
778 ;;
779 m68*-sgi-iris3.6* | m68*-sgi-iris*)
780 machine=irist opsys=iris3-6
781 ;;
782 ## Iris 4D
783 mips-sgi-irix3* )
784 machine=iris4d opsys=irix3-3
785 ;;
786 mips-sgi-irix4* )
787 machine=iris4d opsys=irix4-0
788 ;;
789 mips-sgi-irix6.5 )
790 machine=iris4d opsys=irix6-5
791 # Without defining _LANGUAGE_C, things get masked out in the headers
792 # so that, for instance, grepping for `free' in stdlib.h fails and
793 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
794 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
795 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
796 ;;
797 mips-sgi-irix6* )
798 machine=iris4d opsys=irix6-0
799 # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
800 # but presumably it does no harm.
801 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
802 # -32 probably isn't necessary in later v.6s -- anyone know which?
803 NON_GCC_TEST_OPTIONS=-32
804 ;;
805 mips-sgi-irix5.[01]* )
806 machine=iris4d opsys=irix5-0
807 ;;
808 mips-sgi-irix5* | mips-sgi-irix* )
809 machine=iris4d opsys=irix5-2
810 ;;
811
812 ## SONY machines
813 m68*-sony-bsd4.2* )
814 machine=news opsys=bsd4-2
815 ;;
816 m68*-sony-bsd4.3* )
817 machine=news opsys=bsd4-3
818 ;;
819 m68*-sony-newsos3* | m68*-sony-news3*)
820 machine=news opsys=bsd4-3
821 ;;
822 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
823 machine=news-risc opsys=bsd4-3
824 ;;
825 mips-sony-newsos6* )
826 machine=news-r6 opsys=newsos6
827 ;;
828 mips-sony-news* )
829 machine=news-risc opsys=newsos5
830 ;;
831
832 ## Stride
833 m68*-stride-sysv* )
834 machine=stride opsys=usg5-2
835 ;;
836
837 ## Suns
838 sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
839 machine=sparc opsys=gnu-linux
840 ;;
841
842 *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
843 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
844 | rs6000-*-solaris2*)
845 case "${canonical}" in
846 m68*-sunos1* ) machine=sun1 ;;
847 m68*-sunos2* ) machine=sun2 ;;
848 m68* ) machine=sun3 ;;
849 i[3456]86-sun-sunos[34]* ) machine=sun386 ;;
850 i[3456]86-*-* ) machine=intel386 ;;
851 powerpcle* ) machine=powerpcle ;;
852 powerpc* | rs6000* ) machine=ibmrs6000 ;;
853 sparc* ) machine=sparc ;;
854 * ) unported=yes ;;
855 esac
856 case "${canonical}" in
857 ## The Sun386 didn't get past 4.0.
858 i[3456]86-*-sunos4 ) opsys=sunos4-0 ;;
859 *-sunos4.0* ) opsys=sunos4-0 ;;
860 *-sunos4.1.[3-9]*noshare )
861 ## This name is sunos413 instead of sunos4-1-3
862 ## to avoid a file name conflict on MSDOS.
863 opsys=sunos413
864 NON_GNU_CPP=/usr/lib/cpp
865 NON_GCC_TEST_OPTIONS=-Bstatic
866 GCC_TEST_OPTIONS=-static
867 ;;
868 *-sunos4.1.[3-9]* | *-sunos4shr*)
869 opsys=sunos4shr
870 NON_GNU_CPP=/usr/lib/cpp
871 ;;
872 *-sunos4* | *-sunos )
873 opsys=sunos4-1
874 NON_GCC_TEST_OPTIONS=-Bstatic
875 GCC_TEST_OPTIONS=-static
876 ;;
877 *-sunos5.3* | *-solaris2.3* )
878 opsys=sol2-3
879 NON_GNU_CPP=/usr/ccs/lib/cpp
880 ;;
881 *-sunos5.4* | *-solaris2.4* )
882 opsys=sol2-4
883 NON_GNU_CPP=/usr/ccs/lib/cpp
884 RANLIB="ar -ts"
885 ;;
886 *-sunos5.5* | *-solaris2.5* )
887 opsys=sol2-5
888 NON_GNU_CPP=/usr/ccs/lib/cpp
889 RANLIB="ar -ts"
890 ;;
891 *-sunos5* | *-solaris* )
892 opsys=sol2-5
893 NON_GNU_CPP=/usr/ccs/lib/cpp
894 ;;
895 * ) opsys=bsd4-2 ;;
896 esac
897 ## Watch out for a compiler that we know will not work.
898 case "${canonical}" in
899 *-solaris* | *-sunos5* )
900 if [ "x$CC" = x/usr/ucb/cc ]; then
901 ## /usr/ucb/cc doesn't work;
902 ## we should find some other compiler that does work.
903 unset CC
904 fi
905 ;;
906 *) ;;
907 esac
908 ;;
909 sparc-*-nextstep* )
910 machine=sparc opsys=nextstep
911 ;;
912
913 ## Tadpole 68k
914 m68*-tadpole-sysv* )
915 machine=tad68k opsys=usg5-3
916 ;;
917
918 ## Tahoe machines
919 tahoe-tahoe-bsd4.2* )
920 machine=tahoe opsys=bsd4-2
921 ;;
922 tahoe-tahoe-bsd4.3* )
923 machine=tahoe opsys=bsd4-3
924 ;;
925
926 ## Tandem Integrity S2
927 mips-tandem-sysv* )
928 machine=tandem-s2 opsys=usg5-3
929 ;;
930
931 ## Tektronix XD88
932 m88k-tektronix-sysv3* )
933 machine=tekxd88 opsys=usg5-3
934 ;;
935
936 ## Tektronix 16000 box (6130?)
937 ns16k-tektronix-bsd* )
938 machine=ns16000 opsys=bsd4-2
939 ;;
940 ## Tektronix 4300
941 ## src/m/tek4300.h hints that this is a m68k machine.
942 m68*-tektronix-bsd* )
943 machine=tek4300 opsys=bsd4-3
944 ;;
945
946 ## Titan P2 or P3
947 ## We seem to have lost the machine-description file titan.h!
948 titan-titan-sysv* )
949 machine=titan opsys=usg5-3
950 ;;
951
952 ## Ustation E30 (SS5E)
953 m68*-unisys-uniplus* )
954 machine=ustation opsystem=unipl5-2
955 ;;
956
957 ## Vaxen.
958 vax-dec-* )
959 machine=vax
960 case "${canonical}" in
961 *-bsd4.1* ) opsys=bsd4-1 ;;
962 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
963 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
964 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
965 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
966 *-vms* ) opsys=vms ;;
967 * ) unported=yes
968 esac
969 ;;
970
971 ## Whitechapel MG1
972 ns16k-whitechapel-* )
973 machine=mg1
974 ## We don't know what sort of OS runs on these; we'll let the
975 ## operating system guessing code below try.
976 ;;
977
978 ## Wicat
979 m68*-wicat-sysv* )
980 machine=wicat opsys=usg5-2
981 ;;
982
983 ## Intel 386 machines where we don't care about the manufacturer
984 i[3456]86-*-* )
985 machine=intel386
986 case "${canonical}" in
987 *-lynxos* ) opsys=lynxos ;;
988 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
989 *-isc2.2* ) opsys=isc2-2 ;;
990 *-isc4.0* ) opsys=isc4-0 ;;
991 *-isc4.* ) opsys=isc4-1
992 GCC_TEST_OPTIONS=-posix
993 NON_GCC_TEST_OPTIONS=-Xp
994 ;;
995 *-isc* ) opsys=isc3-0 ;;
996 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
997 *-esix* ) opsys=esix ;;
998 *-xenix* ) opsys=xenix ;;
999 *-linux-gnu* ) opsys=gnu-linux ;;
1000 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
1001 *-sco3.2v5* ) opsys=sco5
1002 NON_GNU_CPP=/lib/cpp
1003 # Prevent -belf from being passed to $CPP.
1004 # /lib/cpp does not accept it.
1005 OVERRIDE_CPPFLAGS=" "
1006 ;;
1007 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1008 *-386bsd* ) opsys=386bsd ;;
1009 *-freebsd* ) opsys=freebsd ;;
1010 *-nextstep* ) opsys=nextstep ;;
1011 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1012 esac
1013 ;;
1014
1015 ## m68k Linux-based GNU system
1016 m68k-*-linux-gnu* )
1017 machine=m68k opsys=gnu-linux
1018 ;;
1019
1020 ## Mips Linux-based GNU system
1021 mips-*-linux-gnu* )
1022 machine=mips opsys=gnu-linux
1023 ;;
1024
1025 ## UXP/DS
1026 sparc-fujitsu-sysv4* )
1027 machine=sparc opsys=uxpds
1028 NON_GNU_CPP=/usr/ccs/lib/cpp
1029 RANLIB="ar -ts"
1030 ;;
1031
1032 ## UXP/V
1033 f301-fujitsu-uxpv4.1)
1034 machine=f301 opsys=uxpv
1035 ;;
1036
1037 * )
1038 unported=yes
1039 ;;
1040 esac
1041
1042 ### If the code above didn't choose an operating system, just choose
1043 ### an operating system based on the configuration name. You really
1044 ### only want to use this when you have no idea what the right
1045 ### operating system is; if you know what operating systems a machine
1046 ### runs, it's cleaner to make it explicit in the case statement
1047 ### above.
1048 if test x"${opsys}" = x; then
1049 case "${canonical}" in
1050 *-gnu* ) opsys=gnu ;;
1051 *-bsd4.[01] ) opsys=bsd4-1 ;;
1052 *-bsd4.2 ) opsys=bsd4-2 ;;
1053 *-bsd4.3 ) opsys=bsd4-3 ;;
1054 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
1055 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
1056 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
1057 *-sysv3* | *-sysvr3* ) opsys=usg5-3 ;;
1058 *-sysv4.2uw* ) opsys=unixware ;;
1059 *-sysv4.1* | *-sysvr4.1* )
1060 NON_GNU_CPP=/usr/lib/cpp
1061 opsys=usg5-4 ;;
1062 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1063 if [ x$NON_GNU_CPP = x ]; then
1064 if [ -f /usr/ccs/lib/cpp ]; then
1065 NON_GNU_CPP=/usr/ccs/lib/cpp
1066 else
1067 NON_GNU_CPP=/lib/cpp
1068 fi
1069 fi
1070 opsys=usg5-4-2 ;;
1071 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
1072 * )
1073 unported=yes
1074 ;;
1075 esac
1076 fi
1077
1078 changequote([, ])dnl
1079
1080 if test $unported = yes; then
1081 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1082 Check \`etc/MACHINES' for recognized configuration names.])
1083 fi
1084
1085 machfile="m/${machine}.h"
1086 opsysfile="s/${opsys}.h"
1087
1088
1089 #### Choose a compiler.
1090 test -n "$CC" && cc_specified=yes
1091
1092 # Save the value of CFLAGS that the user specified.
1093 SPECIFIED_CFLAGS="$CFLAGS"
1094
1095 case ${with_gcc} in
1096 "yes" ) CC="gcc" GCC=yes ;;
1097 "no" ) : ${CC=cc} ;;
1098 * ) AC_PROG_CC
1099 esac
1100
1101 # On Suns, sometimes $CPP names a directory.
1102 if test -n "$CPP" && test -d "$CPP"; then
1103 CPP=
1104 fi
1105
1106 #### Some systems specify a CPP to use unless we are using GCC.
1107 #### Now that we know whether we are using GCC, we can decide whether
1108 #### to use that one.
1109 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1110 then
1111 CPP="$NON_GNU_CPP"
1112 fi
1113
1114 #### Some systems specify a CC to use unless we are using GCC.
1115 #### Now that we know whether we are using GCC, we can decide whether
1116 #### to use that one.
1117 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1118 test x$cc_specified != xyes
1119 then
1120 CC="$NON_GNU_CC"
1121 fi
1122
1123 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1124 then
1125 CC="$CC $GCC_TEST_OPTIONS"
1126 fi
1127
1128 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1129 then
1130 CC="$CC $NON_GCC_TEST_OPTIONS"
1131 fi
1132
1133 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1134 then
1135 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1136 fi
1137
1138 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1139 then
1140 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1141 fi
1142
1143 #### Some other nice autoconf tests. If you add a test here which
1144 #### should make an entry in src/config.h, don't forget to add an
1145 #### #undef clause to src/config.h.in for autoconf to modify.
1146
1147 dnl checks for programs
1148 AC_PROG_LN_S
1149 AC_PROG_CPP
1150 AC_PROG_INSTALL
1151 AC_PROG_YACC
1152 if test "x$RANLIB" = x; then
1153 AC_PROG_RANLIB
1154 fi
1155
1156 dnl checks for Unix variants
1157 AC_AIX
1158
1159 # Sound support for GNU/Linux and the free BSDs.
1160 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1161 # Emulation library used on NetBSD.
1162 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1163 AC_SUBST(LIBSOUND)
1164
1165 dnl checks for header files
1166 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1167 linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1168 termcap.h stdio_ext.h fcntl.h term.h)
1169 AC_HEADER_STDC
1170 AC_HEADER_TIME
1171 AC_DECL_SYS_SIGLIST
1172 AC_HEADER_SYS_WAIT
1173
1174 dnl Some systems have utime.h but don't declare the struct anyplace.
1175 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1176 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1177 #include <sys/time.h>
1178 #include <time.h>
1179 #else
1180 #ifdef HAVE_SYS_TIME_H
1181 #include <sys/time.h>
1182 #else
1183 #include <time.h>
1184 #endif
1185 #endif
1186 #ifdef HAVE_UTIME_H
1187 #include <utime.h>
1188 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1189 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1190 if test $emacs_cv_struct_utimbuf = yes; then
1191 AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1192 fi
1193
1194 dnl checks for typedefs
1195 AC_TYPE_SIGNAL
1196
1197 dnl Check for speed_t typedef.
1198 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1199 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1200 emacs_cv_speed_t=yes))
1201 if test $emacs_cv_speed_t = yes; then
1202 AC_DEFINE(HAVE_SPEED_T)
1203 fi
1204
1205 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1206 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1207 #include <sys/time.h>
1208 #include <time.h>
1209 #else
1210 #ifdef HAVE_SYS_TIME_H
1211 #include <sys/time.h>
1212 #else
1213 #include <time.h>
1214 #endif
1215 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1216 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1217 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1218 if test $emacs_cv_struct_timeval = yes; then
1219 AC_DEFINE(HAVE_TIMEVAL)
1220 fi
1221
1222 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1223 AC_TRY_COMPILE([#include <math.h>],
1224 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1225 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1226 HAVE_EXCEPTION=$emacs_cv_struct_exception
1227 if test $emacs_cv_struct_exception != yes; then
1228 AC_DEFINE(NO_MATHERR)
1229 fi
1230
1231 dnl checks for structure members
1232 AC_STRUCT_TM
1233 AC_STRUCT_TIMEZONE
1234 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1235 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1236 emacs_cv_tm_gmtoff=yes,
1237 emacs_cv_tm_gmtoff=no))
1238 if test $emacs_cv_tm_gmtoff = yes; then
1239 AC_DEFINE(HAVE_TM_GMTOFF)
1240 fi
1241
1242 dnl checks for compiler characteristics
1243
1244 dnl Testing __STDC__ to determine prototype support isn't good enough.
1245 dnl DEC C, for instance, doesn't define it with default options, and
1246 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1247 dnl and void *.
1248 AC_C_PROTOTYPES
1249 AC_C_VOLATILE
1250 AC_C_CONST
1251 dnl This isn't useful because we can't turn on use of `inline' unless
1252 dnl the compiler groks `extern inline'.
1253 dnl AC_C_INLINE
1254 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1255 [AC_TRY_COMPILE(, [void * foo;],
1256 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1257 if test $emacs_cv_void_star = yes; then
1258 AC_DEFINE(POINTER_TYPE, void)
1259 else
1260 AC_DEFINE(POINTER_TYPE, char)
1261 fi
1262
1263 dnl check for Make feature
1264 AC_PROG_MAKE_SET
1265
1266 dnl checks for operating system services
1267 AC_SYS_LONG_FILE_NAMES
1268
1269 #### Choose a window system.
1270
1271 AC_PATH_X
1272 if test "$no_x" = yes; then
1273 window_system=none
1274 else
1275 window_system=x11
1276 fi
1277
1278 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1279 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1280 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1281 x_default_search_path=""
1282 for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1283 x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1284 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1285 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1286 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1287 if test x"${x_default_search_path}" = x; then
1288 x_default_search_path=${x_search_path}
1289 else
1290 x_default_search_path="${x_search_path}:${x_default_search_path}"
1291 fi
1292 done
1293 fi
1294 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1295 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1296 fi
1297
1298 if test x"${x_includes}" = x; then
1299 bitmapdir=/usr/include/X11/bitmaps
1300 else
1301 # accumulate include directories that have X11 bitmap subdirectories
1302 bmd_acc="dummyval"
1303 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1304 if test -d "${bmd}/X11/bitmaps"; then
1305 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1306 fi
1307 if test -d "${bmd}/bitmaps"; then
1308 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1309 fi
1310 done
1311 if test ${bmd_acc} != "dummyval"; then
1312 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1313 fi
1314 fi
1315
1316 case "${window_system}" in
1317 x11 )
1318 HAVE_X_WINDOWS=yes
1319 HAVE_X11=yes
1320 case "${with_x_toolkit}" in
1321 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1322 motif ) USE_X_TOOLKIT=MOTIF ;;
1323 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1324 no ) USE_X_TOOLKIT=none ;;
1325 dnl If user did not say whether to use a toolkit,
1326 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1327 * ) USE_X_TOOLKIT=maybe ;;
1328 esac
1329 ;;
1330 none )
1331 HAVE_X_WINDOWS=no
1332 HAVE_X11=no
1333 USE_X_TOOLKIT=none
1334 ;;
1335 esac
1336
1337 ### If we're using X11, we should use the X menu package.
1338 HAVE_MENUS=no
1339 case ${HAVE_X11} in
1340 yes ) HAVE_MENUS=yes ;;
1341 esac
1342
1343 if test "${opsys}" = "hpux9"; then
1344 case "${x_libraries}" in
1345 *X11R4* )
1346 opsysfile="s/hpux9-x11r4.h"
1347 ;;
1348 esac
1349 fi
1350
1351 if test "${opsys}" = "hpux9shr"; then
1352 case "${x_libraries}" in
1353 *X11R4* )
1354 opsysfile="s/hpux9shxr4.h"
1355 ;;
1356 esac
1357 fi
1358
1359 #### Extract some information from the operating system and machine files.
1360
1361 AC_CHECKING([the machine- and system-dependent files to find out
1362 - which libraries the lib-src programs will want, and
1363 - whether the GNU malloc routines are usable])
1364
1365 ### First figure out CFLAGS (which we use for running the compiler here)
1366 ### and REAL_CFLAGS (which we use for real compilation).
1367 ### The two are the same except on a few systems, where they are made
1368 ### different to work around various lossages. For example,
1369 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1370 ### as implying static linking.
1371
1372 ### If the CFLAGS env var is specified, we use that value
1373 ### instead of the default.
1374
1375 ### It's not important that this name contain the PID; you can't run
1376 ### two configures in the same directory and have anything work
1377 ### anyway.
1378 tempcname="conftest.c"
1379
1380 echo '
1381 #include "'${srcdir}'/src/'${opsysfile}'"
1382 #include "'${srcdir}'/src/'${machfile}'"
1383 #ifndef LIBS_MACHINE
1384 #define LIBS_MACHINE
1385 #endif
1386 #ifndef LIBS_SYSTEM
1387 #define LIBS_SYSTEM
1388 #endif
1389 #ifndef C_SWITCH_SYSTEM
1390 #define C_SWITCH_SYSTEM
1391 #endif
1392 #ifndef C_SWITCH_MACHINE
1393 #define C_SWITCH_MACHINE
1394 #endif
1395 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1396 configure___ c_switch_system=C_SWITCH_SYSTEM
1397 configure___ c_switch_machine=C_SWITCH_MACHINE
1398
1399 #ifndef LIB_X11_LIB
1400 #define LIB_X11_LIB -lX11
1401 #endif
1402
1403 #ifndef LIBX11_MACHINE
1404 #define LIBX11_MACHINE
1405 #endif
1406
1407 #ifndef LIBX11_SYSTEM
1408 #define LIBX11_SYSTEM
1409 #endif
1410 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1411
1412 #ifdef UNEXEC
1413 configure___ unexec=UNEXEC
1414 #else
1415 configure___ unexec=unexec.o
1416 #endif
1417
1418 #ifdef SYSTEM_MALLOC
1419 configure___ system_malloc=yes
1420 #else
1421 configure___ system_malloc=no
1422 #endif
1423
1424 #ifndef C_DEBUG_SWITCH
1425 #define C_DEBUG_SWITCH -g
1426 #endif
1427
1428 #ifndef C_OPTIMIZE_SWITCH
1429 #ifdef __GNUC__
1430 #define C_OPTIMIZE_SWITCH -O2
1431 #else
1432 #define C_OPTIMIZE_SWITCH -O
1433 #endif
1434 #endif
1435
1436 #ifndef LD_SWITCH_MACHINE
1437 #define LD_SWITCH_MACHINE
1438 #endif
1439
1440 #ifndef LD_SWITCH_SYSTEM
1441 #define LD_SWITCH_SYSTEM
1442 #endif
1443
1444 #ifndef LD_SWITCH_X_SITE_AUX
1445 #define LD_SWITCH_X_SITE_AUX
1446 #endif
1447
1448 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1449 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1450
1451 #ifdef THIS_IS_CONFIGURE
1452
1453 /* Get the CFLAGS for tests in configure. */
1454 #ifdef __GNUC__
1455 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1456 #else
1457 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1458 #endif
1459
1460 #else /* not THIS_IS_CONFIGURE */
1461
1462 /* Get the CFLAGS for real compilation. */
1463 #ifdef __GNUC__
1464 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1465 #else
1466 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1467 #endif
1468
1469 #endif /* not THIS_IS_CONFIGURE */
1470 ' > ${tempcname}
1471
1472 # The value of CPP is a quoted variable reference, so we need to do this
1473 # to get its actual value...
1474 CPP=`eval "echo $CPP"`
1475 changequote(, )dnl
1476 eval `${CPP} -Isrc ${tempcname} \
1477 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1478 if test "x$SPECIFIED_CFLAGS" = x; then
1479 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1480 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1481 else
1482 REAL_CFLAGS="$CFLAGS"
1483 fi
1484 changequote([, ])dnl
1485 rm ${tempcname}
1486
1487 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1488
1489 ### Compute the unexec source name from the object name.
1490 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1491
1492 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1493 # Assume not, until told otherwise.
1494 GNU_MALLOC=yes
1495 doug_lea_malloc=yes
1496 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1497 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1498 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1499 emacs_cv_var___after_morecore_hook,
1500 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1501 emacs_cv_var___after_morecore_hook=yes,
1502 emacs_cv_var___after_morecore_hook=no))
1503 if test $emacs_cv_var___after_morecore_hook = no; then
1504 doug_lea_malloc=no
1505 fi
1506 if test "${system_malloc}" = "yes"; then
1507 GNU_MALLOC=no
1508 GNU_MALLOC_reason="
1509 (The GNU allocators don't work with this system configuration.)"
1510 fi
1511 if test "$doug_lea_malloc" = "yes" ; then
1512 if test "$GNU_MALLOC" = yes ; then
1513 GNU_MALLOC_reason="
1514 (Using Doug Lea's new malloc from the GNU C Library.)"
1515 fi
1516 AC_DEFINE(DOUG_LEA_MALLOC)
1517 fi
1518
1519 if test x"${REL_ALLOC}" = x; then
1520 REL_ALLOC=${GNU_MALLOC}
1521 fi
1522
1523 #### Add the libraries to LIBS and check for some functions.
1524
1525 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1526 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1527 else
1528 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1529 fi
1530
1531 LIBS="$libsrc_libs $LIBS"
1532
1533 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1534 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1535 AC_CHECK_LIB(dnet, dnet_ntoa)
1536 dnl This causes -lresolv to get used in subsequent tests,
1537 dnl which causes failures on some systems such as HPUX 9.
1538 dnl AC_CHECK_LIB(resolv, gethostbyname)
1539
1540 dnl FIXME replace main with a function we actually want from this library.
1541 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1542
1543 AC_CHECK_LIB(pthreads, cma_open)
1544
1545 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1546 if test -d /usr/X386/include; then
1547 HAVE_XFREE386=yes
1548 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1549 else
1550 HAVE_XFREE386=no
1551 fi
1552 AC_MSG_RESULT($HAVE_XFREE386)
1553
1554 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1555 # for the tests that follow. We set it back to REAL_CFLAGS later on.
1556
1557 REAL_CPPFLAGS="$CPPFLAGS"
1558
1559 if test "${HAVE_X11}" = "yes"; then
1560 DEFS="$C_SWITCH_X_SITE $DEFS"
1561 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1562 LIBS="$LIBX $LIBS"
1563 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1564 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1565
1566 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1567 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1568 # but it's more convenient here to set LD_RUN_PATH
1569 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1570 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1571 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1572 export LD_RUN_PATH
1573 fi
1574
1575 if test "${opsys}" = "gnu-linux"; then
1576 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1577 AC_TRY_LINK([],
1578 [XOpenDisplay ("foo");],
1579 [xlinux_first_failure=no],
1580 [xlinux_first_failure=yes])
1581 if test "${xlinux_first_failure}" = "yes"; then
1582 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1583 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1584 OLD_CPPFLAGS="$CPPFLAGS"
1585 OLD_LIBS="$LIBS"
1586 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1587 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1588 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1589 LIBS="$LIBS -b i486-linuxaout"
1590 AC_TRY_LINK([],
1591 [XOpenDisplay ("foo");],
1592 [xlinux_second_failure=no],
1593 [xlinux_second_failure=yes])
1594 if test "${xlinux_second_failure}" = "yes"; then
1595 # If we get the same failure with -b, there is no use adding -b.
1596 # So take it out. This plays safe.
1597 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1598 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1599 CPPFLAGS="$OLD_CPPFLAGS"
1600 LIBS="$OLD_LIBS"
1601 AC_MSG_RESULT(no)
1602 else
1603 AC_MSG_RESULT(yes)
1604 fi
1605 else
1606 AC_MSG_RESULT(no)
1607 fi
1608 fi
1609
1610 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1611 XScreenNumberOfScreen XSetWMProtocols)
1612 fi
1613
1614 if test "${window_system}" = "x11"; then
1615 AC_MSG_CHECKING(X11 version 6)
1616 AC_CACHE_VAL(emacs_cv_x11_version_6,
1617 AC_TRY_LINK([#include <X11/Xlib.h>],
1618 [#if XlibSpecificationRelease < 6
1619 fail;
1620 #endif
1621 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1622 if test $emacs_cv_x11_version_6 = yes; then
1623 AC_MSG_RESULT(6 or newer)
1624 AC_DEFINE(HAVE_X11R6)
1625 else
1626 AC_MSG_RESULT(before 6)
1627 fi
1628 fi
1629
1630 if test "${window_system}" = "x11"; then
1631 AC_MSG_CHECKING(X11 version 5)
1632 AC_CACHE_VAL(emacs_cv_x11_version_5,
1633 AC_TRY_LINK([#include <X11/Xlib.h>],
1634 [#if XlibSpecificationRelease < 5
1635 fail;
1636 #endif
1637 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1638 if test $emacs_cv_x11_version_5 = yes; then
1639 AC_MSG_RESULT(5 or newer)
1640 HAVE_X11R5=yes
1641 AC_DEFINE(HAVE_X11R5)
1642 else
1643 HAVE_X11R5=no
1644 AC_MSG_RESULT(before 5)
1645 fi
1646 fi
1647
1648 dnl Do not put whitespace before the #include statements below.
1649 dnl Older compilers (eg sunos4 cc) choke on it.
1650 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1651 if test x"${HAVE_X11R5}" = xyes; then
1652 AC_MSG_CHECKING(X11 version 5 with Xaw)
1653 AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1654 AC_TRY_LINK([
1655 #include <X11/Intrinsic.h>
1656 #include <X11/Xaw/Simple.h>],
1657 [],
1658 emacs_cv_x11_version_5_with_xaw=yes,
1659 emacs_cv_x11_version_5_with_xaw=no))
1660 if test $emacs_cv_x11_version_5_with_xaw = yes; then
1661 AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1662 USE_X_TOOLKIT=LUCID
1663 else
1664 AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1665 USE_X_TOOLKIT=none
1666 fi
1667 else
1668 USE_X_TOOLKIT=none
1669 fi
1670 fi
1671
1672 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1673
1674 if test "${USE_X_TOOLKIT}" != "none"; then
1675 AC_MSG_CHECKING(X11 toolkit version)
1676 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1677 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1678 [#if XtSpecificationRelease < 6
1679 fail;
1680 #endif
1681 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1682 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1683 if test $emacs_cv_x11_toolkit_version_6 = yes; then
1684 AC_MSG_RESULT(6 or newer)
1685 AC_DEFINE(HAVE_X11XTR6)
1686 else
1687 AC_MSG_RESULT(before 6)
1688 fi
1689
1690 dnl If using toolkit, check whether libXmu.a exists.
1691 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1692 OLDLIBS="$LIBS"
1693 if test x$HAVE_X11XTR6 = xyes; then
1694 LIBS="-lXt -lSM -lICE $LIBS"
1695 else
1696 LIBS="-lXt $LIBS"
1697 fi
1698 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1699 LIBS="$OLDLIBS"
1700 fi
1701
1702 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1703 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1704 AC_TRY_COMPILE([#include <Xm/Xm.h>],
1705 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1706 int x = 5;
1707 #else
1708 Motif version prior to 2.1.
1709 #endif],
1710 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1711 HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1712 if test $emacs_cv_motif_version_2_1 = yes; then
1713 AC_DEFINE(HAVE_MOTIF_2_1)
1714 AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes, , -lXext)
1715 if test ${HAVE_LIBXP} = yes; then
1716 AC_DEFINE(HAVE_LIBXP)
1717 fi
1718 fi
1719 fi
1720
1721 ### Is -lXaw3d available?
1722 HAVE_XAW3D=no
1723 if test "${HAVE_X11}" = "yes"; then
1724 if test "${USE_X_TOOLKIT}" != "none"; then
1725 old_c_flags="${CFLAGS}"
1726 CFLAGS="${LD_SWITCH_X_SITE}"
1727 AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1728 AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1729 CFLAGS="${old_c_flags}"
1730
1731 if test "${HAVE_XAW3D}" = "yes"; then
1732 AC_DEFINE(HAVE_XAW3D)
1733 fi
1734 fi
1735 fi
1736
1737 dnl Use toolkit scroll bars if configured for X toolkit and either
1738 dnl using Motif or Xaw3d is available, and unless
1739 dnl --with-toolkit-scroll-bars=no was specified.
1740
1741 USE_TOOLKIT_SCROLL_BARS=no
1742 if test "${with_toolkit_scroll_bars}" != "no"; then
1743 if test "${USE_X_TOOLKIT}" != "none"; then
1744 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1745 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1746 HAVE_XAW3D=no
1747 USE_TOOLKIT_SCROLL_BARS=yes
1748 elif test "${HAVE_XAW3D}" = "yes"; then
1749 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1750 USE_TOOLKIT_SCROLL_BARS=yes
1751 fi
1752 fi
1753 fi
1754
1755 dnl Don't use X11 input methods if user specifies he doesn't want it
1756 dnl with `--with-xim=no'.
1757
1758 if test "${with_xim}" != "no"; then
1759 AC_DEFINE(USE_XIM)
1760 fi
1761
1762 ### Use -lXpm if available, unless `--with-xpm=no'.
1763 HAVE_XPM=no
1764 if test "${HAVE_X11}" = "yes"; then
1765 if test "${with_xpm}" != "no"; then
1766 old_c_flags="${CFLAGS}"
1767 CFLAGS="${LD_SWITCH_X_SITE}"
1768 AC_CHECK_HEADER(X11/xpm.h,
1769 AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1770 if test "${HAVE_XPM}" = "yes"; then
1771 AC_EGREP_CPP(no_return_alloc_pixels,
1772 [#include "X11/xpm.h"
1773 #ifndef XpmReturnAllocPixels
1774 no_return_alloc_pixels
1775 #endif
1776 ], HAVE_XPM=no, HAVE_XPM=yes)
1777 fi
1778 CFLAGS="${old_c_flags}"
1779 fi
1780
1781 if test "${HAVE_XPM}" = "yes"; then
1782 AC_DEFINE(HAVE_XPM)
1783 fi
1784 fi
1785
1786 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1787 HAVE_JPEG=no
1788 if test "${HAVE_X11}" = "yes"; then
1789 if test "${with_jpeg}" != "no"; then
1790 old_c_flags="${CFLAGS}"
1791 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1792 dnl Checking for jpeglib.h can lose becsue of a redefinition of
1793 dnl HAVE_STDLIB_H.
1794 AC_CHECK_HEADER(jerror.h,
1795 AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
1796 CFLAGS="${old_c_flags}"
1797 fi
1798
1799 if test "${HAVE_JPEG}" = "yes"; then
1800 AC_DEFINE(HAVE_JPEG)
1801 fi
1802 fi
1803
1804 ### Use -lpng if available, unless `--with-png=no'.
1805 HAVE_PNG=no
1806 if test "${HAVE_X11}" = "yes"; then
1807 if test "${with_png}" != "no"; then
1808 old_c_flags="${CFLAGS}"
1809 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1810 AC_CHECK_HEADER(png.h,
1811 AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1812 CFLAGS="${old_c_flags}"
1813 fi
1814
1815 if test "${HAVE_PNG}" = "yes"; then
1816 AC_DEFINE(HAVE_PNG)
1817 fi
1818 fi
1819
1820 ### Use -ltiff if available, unless `--with-tiff=no'.
1821 HAVE_TIFF=no
1822 if test "${HAVE_X11}" = "yes"; then
1823 if test "${with_tiff}" != "no"; then
1824 old_c_flags="${CFLAGS}"
1825 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1826 AC_CHECK_HEADER(tiffio.h,
1827 tifflibs="-lX11 -lz -lm"
1828 # At least one tiff package requires the jpeg library.
1829 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1830 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1831 CFLAGS="${old_c_flags}"
1832 fi
1833
1834 if test "${HAVE_TIFF}" = "yes"; then
1835 AC_DEFINE(HAVE_TIFF)
1836 fi
1837 fi
1838
1839 ### Use -lgif if available, unless `--with-gif=no'.
1840 HAVE_GIF=no
1841 if test "${HAVE_X11}" = "yes"; then
1842 if test "${with_gif}" != "no"; then
1843 old_c_flags="${CFLAGS}"
1844 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1845 AC_CHECK_HEADER(gif_lib.h,
1846 AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes, , -lX11))
1847 CFLAGS="${old_c_flags}"
1848 fi
1849
1850 if test "${HAVE_GIF}" = "yes"; then
1851 AC_DEFINE(HAVE_GIF)
1852 fi
1853 fi
1854
1855 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1856 AC_CACHE_CHECK(whether netdb declares h_errno,
1857 emacs_cv_netdb_declares_h_errno,
1858 AC_TRY_LINK([#include <netdb.h>],
1859 [return h_errno;],
1860 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1861 if test $emacs_cv_netdb_declares_h_errno = yes; then
1862 AC_DEFINE(HAVE_H_ERRNO)
1863 fi
1864
1865 AC_FUNC_ALLOCA
1866
1867 # fmod, logb, and frexp are found in -lm on most systems.
1868 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1869 AC_CHECK_LIB(m, sqrt)
1870
1871 # Check for mail-locking functions in a "mail" library
1872 AC_CHECK_LIB(mail, maillock)
1873 dnl Debian, at least:
1874 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1875 AC_CHECK_LIB(lockfile, maillock)
1876 # If we have the shared liblockfile, assume we must use it for mail
1877 # locking (e.g. Debian). If we couldn't link against liblockfile
1878 # (no liblockfile.a installed), ensure that we don't need to.
1879 if test "$ac_cv_lib_lockfile_maillock" = no; then
1880 dnl This works for files generally, not just executables.
1881 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
1882 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1883 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1884 if test $ac_cv_prog_liblockfile = yes; then
1885 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1886 This probably means that movemail could lose mail.
1887 There may be a \`development' package to install containing liblockfile.])
1888 else AC_DEFINE(LIBMAIL, -llockfile)
1889 fi
1890 else :
1891 fi
1892 AC_CHECK_FUNCS(touchlock)
1893 AC_CHECK_HEADERS(maillock.h)
1894
1895 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1896 rename closedir mkdir rmdir sysinfo \
1897 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1898 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1899 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1900 __fpending mblen mbrlen strsignal setitimer ualarm)
1901
1902 AC_FUNC_MKTIME
1903 if test "$ac_cv_func_working_mktime" = no; then
1904 AC_DEFINE(BROKEN_MKTIME)
1905 fi
1906
1907 AC_FUNC_GETLOADAVG
1908
1909 AC_SYS_LARGEFILE
1910 AC_CHECK_FUNCS(ftello)
1911
1912 # UNIX98 PTYs. AC_SYS_LARGEFILE should have defined _XOPEN_SOURCE
1913 # if we need it.
1914 AC_CHECK_FUNCS(grantpt)
1915
1916 # PTY-related GNU extensions.
1917 AC_CHECK_FUNCS(getpt)
1918
1919 # Check this now, so that we will NOT find the above functions in ncurses.
1920 # That is because we have not set up to link ncurses in lib-src.
1921 # It's better to believe a function is not available
1922 # than to expect to find it in ncurses.
1923 AC_CHECK_LIB(ncurses, tparm)
1924
1925 # These tell us which Kerberos-related libraries to use.
1926 if test "${with_kerberos+set}" = set; then
1927 AC_CHECK_LIB(com_err, com_err)
1928 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1929 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1930 AC_CHECK_LIB(krb5, krb5_init_context)
1931 if test "${with_kerberos5+set}" != set; then
1932 AC_CHECK_LIB(des425, des_cbc_encrypt,,
1933 AC_CHECK_LIB(des, des_cbc_encrypt))
1934 AC_CHECK_LIB(krb4, krb_get_cred,,
1935 AC_CHECK_LIB(krb, krb_get_cred))
1936 fi
1937
1938 if test "${with_kerberos5+set}" = set; then
1939 AC_CHECK_HEADERS(krb5.h)
1940 else
1941 AC_CHECK_HEADERS(des.h,,
1942 AC_CHECK_HEADERS(kerberosIV/des.h,,
1943 AC_CHECK_HEADERS(kerberos/des.h)))
1944 AC_CHECK_HEADERS(krb.h,,
1945 AC_CHECK_HEADERS(kerberosIV/krb.h,,
1946 AC_CHECK_HEADERS(kerberos/krb.h)))
1947 fi
1948 AC_CHECK_HEADERS(com_err.h)
1949 fi
1950
1951 # Solaris requires -lintl if you want strerror (which calls dgettext)
1952 # to return localized messages.
1953 AC_CHECK_LIB(intl, dgettext)
1954
1955 AC_MSG_CHECKING(whether localtime caches TZ)
1956 AC_CACHE_VAL(emacs_cv_localtime_cache,
1957 [if test x$ac_cv_func_tzset = xyes; then
1958 AC_TRY_RUN([#include <time.h>
1959 extern char **environ;
1960 unset_TZ ()
1961 {
1962 char **from, **to;
1963 for (to = from = environ; (*to = *from); from++)
1964 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1965 to++;
1966 }
1967 char TZ_GMT0[] = "TZ=GMT0";
1968 char TZ_PST8[] = "TZ=PST8";
1969 main()
1970 {
1971 time_t now = time ((time_t *) 0);
1972 int hour_GMT0, hour_unset;
1973 if (putenv (TZ_GMT0) != 0)
1974 exit (1);
1975 hour_GMT0 = localtime (&now)->tm_hour;
1976 unset_TZ ();
1977 hour_unset = localtime (&now)->tm_hour;
1978 if (putenv (TZ_PST8) != 0)
1979 exit (1);
1980 if (localtime (&now)->tm_hour == hour_GMT0)
1981 exit (1);
1982 unset_TZ ();
1983 if (localtime (&now)->tm_hour != hour_unset)
1984 exit (1);
1985 exit (0);
1986 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1987 [# If we have tzset, assume the worst when cross-compiling.
1988 emacs_cv_localtime_cache=yes])
1989 else
1990 # If we lack tzset, report that localtime does not cache TZ,
1991 # since we can't invalidate the cache if we don't have tzset.
1992 emacs_cv_localtime_cache=no
1993 fi])dnl
1994 AC_MSG_RESULT($emacs_cv_localtime_cache)
1995 if test $emacs_cv_localtime_cache = yes; then
1996 AC_DEFINE(LOCALTIME_CACHE)
1997 fi
1998
1999 if test "x$HAVE_TIMEVAL" = xyes; then
2000 AC_CHECK_FUNCS(gettimeofday)
2001 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2002 emacs_cv_gettimeofday_two_arguments,
2003 AC_TRY_COMPILE([
2004 #ifdef TIME_WITH_SYS_TIME
2005 #include <sys/time.h>
2006 #include <time.h>
2007 #else
2008 #ifdef HAVE_SYS_TIME_H
2009 #include <sys/time.h>
2010 #else
2011 #include <time.h>
2012 #endif
2013 #endif],
2014 [struct timeval time;
2015 gettimeofday (&time, 0);],
2016 emacs_cv_gettimeofday_two_arguments=yes,
2017 emacs_cv_gettimeofday_two_arguments=no))
2018 if test $emacs_cv_gettimeofday_two_arguments = no; then
2019 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2020 fi
2021 fi
2022
2023 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2024 if test "$ac_cv_func_gettimeofday" = yes; then
2025 AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2026 [AC_TRY_COMPILE([#include <sys/time.h>],
2027 [struct timezone tz;],
2028 dnl It may be that we can't call gettimeofday with a non-null pointer,
2029 dnl even though we have struct timezone (e.g. HPUX). In that case
2030 dnl we'll lie about struct timezone.
2031 [AC_TRY_RUN([
2032 #ifdef TIME_WITH_SYS_TIME
2033 #include <sys/time.h>
2034 #include <time.h>
2035 #else
2036 #ifdef HAVE_SYS_TIME_H
2037 #include <sys/time.h>
2038 #else
2039 #include <time.h>
2040 #endif
2041 #endif
2042 main () {
2043 struct timeval time;
2044 struct timezone dummy;
2045 exit (gettimeofday (&time, &dummy));
2046 }],
2047 emacs_cv_struct_timezone=yes,
2048 emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2049 emacs_cv_struct_timezone=no)])
2050 fi
2051
2052 ok_so_far=yes
2053 AC_CHECK_FUNC(socket, , ok_so_far=no)
2054 if test $ok_so_far = yes; then
2055 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2056 fi
2057 if test $ok_so_far = yes; then
2058 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2059 fi
2060 if test $ok_so_far = yes; then
2061 AC_DEFINE(HAVE_INET_SOCKETS)
2062 fi
2063
2064 if test -f /usr/lpp/X11/bin/smt.exp; then
2065 AC_DEFINE(HAVE_AIX_SMT_EXP)
2066 fi
2067
2068 AC_MSG_CHECKING(whether system supports dynamic ptys)
2069 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2070 AC_MSG_RESULT(yes)
2071 AC_DEFINE(HAVE_DEV_PTMX)
2072 else
2073 AC_MSG_RESULT(no)
2074 fi
2075
2076 AC_FUNC_VFORK
2077
2078 # Set up the CFLAGS for real compilation, so we can substitute it.
2079 CFLAGS="$REAL_CFLAGS"
2080 CPPFLAGS="$REAL_CPPFLAGS"
2081
2082 changequote(, )dnl
2083 #### Find out which version of Emacs this is.
2084 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
2085 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2086 changequote([, ])dnl
2087 if test x"${version}" = x; then
2088 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2089 fi
2090
2091 ### Specify what sort of things we'll be editing into Makefile and config.h.
2092 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2093 AC_SUBST(version)
2094 AC_SUBST(configuration)
2095 AC_SUBST(canonical)
2096 AC_SUBST(srcdir)
2097 AC_SUBST(prefix)
2098 AC_SUBST(exec_prefix)
2099 AC_SUBST(bindir)
2100 AC_SUBST(datadir)
2101 AC_SUBST(sharedstatedir)
2102 AC_SUBST(libexecdir)
2103 AC_SUBST(mandir)
2104 AC_SUBST(infodir)
2105 AC_SUBST(lispdir)
2106 AC_SUBST(locallisppath)
2107 AC_SUBST(lisppath)
2108 AC_SUBST(x_default_search_path)
2109 AC_SUBST(etcdir)
2110 AC_SUBST(archlibdir)
2111 AC_SUBST(docdir)
2112 AC_SUBST(bitmapdir)
2113 AC_SUBST(c_switch_system)
2114 AC_SUBST(c_switch_machine)
2115 AC_SUBST(LD_SWITCH_X_SITE)
2116 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2117 AC_SUBST(C_SWITCH_X_SITE)
2118 AC_SUBST(CFLAGS)
2119 AC_SUBST(X_TOOLKIT_TYPE)
2120 AC_SUBST(machfile)
2121 AC_SUBST(opsysfile)
2122 AC_SUBST(GETLOADAVG_LIBS)
2123
2124 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
2125 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2126 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
2127 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2128 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2129 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2130 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
2131 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
2132
2133 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2134 AC_DEFINE(HAVE_X_WINDOWS)
2135 fi
2136 if test "${USE_X_TOOLKIT}" != "none" ; then
2137 AC_DEFINE(USE_X_TOOLKIT)
2138 fi
2139 if test "${HAVE_X11}" = "yes" ; then
2140 AC_DEFINE(HAVE_X11)
2141 fi
2142 if test "${HAVE_XFREE386}" = "yes" ; then
2143 AC_DEFINE(HAVE_XFREE386)
2144 fi
2145 if test "${HAVE_MENUS}" = "yes" ; then
2146 AC_DEFINE(HAVE_MENUS)
2147 fi
2148 if test "${GNU_MALLOC}" = "yes" ; then
2149 AC_DEFINE(GNU_MALLOC)
2150 fi
2151 if test "${REL_ALLOC}" = "yes" ; then
2152 AC_DEFINE(REL_ALLOC)
2153 fi
2154
2155 #### Report on what we decided to do.
2156 echo "
2157 Configured for \`${canonical}'.
2158
2159 Where should the build process find the source code? ${srcdir}
2160 What operating system and machine description files should Emacs use?
2161 \`${opsysfile}' and \`${machfile}'
2162 What compiler should emacs be built with? ${CC} ${CFLAGS}
2163 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
2164 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
2165 What window system should Emacs use? ${window_system}
2166 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
2167
2168 if test -n "${x_includes}"; then
2169 echo " Where do we find X Windows header files? ${x_includes}"
2170 else
2171 echo " Where do we find X Windows header files? Standard dirs"
2172 fi
2173 if test -n "${x_libraries}"; then
2174 echo " Where do we find X Windows libraries? ${x_libraries}"
2175 else
2176 echo " Where do we find X Windows libraries? Standard dirs"
2177 fi
2178
2179 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
2180 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
2181 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
2182 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
2183 echo " Does Emacs use -lungif? ${HAVE_GIF}"
2184 echo " Does Emacs use -lpng? ${HAVE_PNG}"
2185 echo " Does Emacs use X toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
2186 echo
2187
2188 # Remove any trailing slashes in these variables.
2189 changequote(, )dnl
2190 test "${prefix}" != NONE &&
2191 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2192 test "${exec_prefix}" != NONE &&
2193 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2194 changequote([, ])dnl
2195
2196 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2197 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2198 lisp/Makefile leim/Makefile, [
2199
2200 ### Make the necessary directories, if they don't exist.
2201 for dir in etc lisp ; do
2202 test -d ${dir} || mkdir ${dir}
2203 done
2204
2205 # Build src/Makefile from ${srcdir}/src/Makefile.c
2206 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2207 # This must be done after src/config.h is built, since we rely on that file.
2208
2209 changequote(, )dnl The horror, the horror.
2210 # Now get this: Some word that is part of the ${srcdir} directory name
2211 # or the ${configuration} value might, just might, happen to be an
2212 # identifier like `sun4' or `i386' or something, and be predefined by
2213 # the C preprocessor to some helpful value like 1, or maybe the empty
2214 # string. Needless to say consequent macro substitutions are less
2215 # than conducive to the makefile finding the correct directory.
2216 undefs="`echo $top_srcdir $configuration $canonical |
2217 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
2218 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2219 `"
2220 changequote([, ])dnl
2221
2222 echo creating src/epaths.h
2223 make epaths-force
2224
2225 echo creating lib-src/Makefile
2226 ( cd lib-src
2227 rm -f junk.c junk1.c junk2.c
2228 sed -e '/start of cpp stuff/q' \
2229 < Makefile.c > junk1.c
2230 sed -e '1,/start of cpp stuff/d'\
2231 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2232 < Makefile.c > junk.c
2233 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2234 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2235 cat junk1.c junk2.c > Makefile.new
2236 rm -f junk.c junk1.c junk2.c
2237 chmod 444 Makefile.new
2238 mv -f Makefile.new Makefile
2239 )
2240
2241 echo creating src/Makefile
2242 ( cd src
2243 rm -f junk.c junk1.c junk2.c
2244 sed -e '/start of cpp stuff/q' \
2245 < Makefile.c > junk1.c
2246 sed -e '1,/start of cpp stuff/d'\
2247 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2248 < Makefile.c > junk.c
2249 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2250 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2251 cat junk1.c junk2.c > Makefile.new
2252 rm -f junk.c junk1.c junk2.c
2253 chmod 444 Makefile.new
2254 mv -f Makefile.new Makefile
2255 )
2256
2257 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2258 echo creating src/.gdbinit
2259 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2260 fi
2261
2262 # This is how we know whether to re-run configure in certain cases.
2263 touch src/config.stamp
2264
2265 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])