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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 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 '${datadir}/emacs/site-lisp'
32 lisppath='${locallisppath}:${lispdir}'
33 etcdir='${datadir}/emacs/${version}/etc'
34 lockdir='${sharedstatedir}/emacs/lock'
35 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
36 docdir='${datadir}/emacs/${version}/etc'
37
38 AC_ARG_WITH(gcc,
39 [ --with-gcc use GCC to compile Emacs])
40 AC_ARG_WITH(pop,
41 [ --with-pop support POP for mail retrieval],
42 [AC_DEFINE(MAIL_USE_POP)])
43 AC_ARG_WITH(kerberos,
44 [ --with-kerberos support Kerberos-authenticated POP],
45 [AC_DEFINE(KERBEROS)])
46 AC_ARG_WITH(hesiod,
47 [ --with-hesiod support Hesiod to get the POP server host],
48 [AC_DEFINE(HESIOD)])
49 dnl This should be the last --with option, because --with-x is
50 dnl added later on when we find the path of X, and it's best to
51 dnl keep them together visually.
52 AC_ARG_WITH(x-toolkit,
53 [ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif/no)],
54 [ case "${withval}" in
55 y | ye | yes ) val=athena ;;
56 n | no ) val=no ;;
57 l | lu | luc | luci | lucid ) val=lucid ;;
58 a | at | ath | athe | athen | athena ) val=athena ;;
59 m | mo | mot | moti | motif ) val=motif ;;
60 dnl These don't currently work.
61 dnl o | op | ope | open | open- | open-l | open-lo \
62 dnl | open-loo | open-look ) val=open-look ;;
63 * )
64 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
65 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
66 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
67 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
68 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
69 ;;
70 esac
71 with_x_toolkit=$val
72 ])
73
74 #### Make srcdir absolute, if it isn't already. It's important to
75 #### avoid running the path through pwd unnecessary, since pwd can
76 #### give you automounter prefixes, which can go away. We do all this
77 #### so Emacs can find its files when run uninstalled.
78 case "${srcdir}" in
79 /* ) ;;
80 . )
81 ## We may be able to use the $PWD environment variable to make this
82 ## absolute. But sometimes PWD is inaccurate.
83 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
84 CDPATH=
85 if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
86 then
87 srcdir="$PWD"
88 else
89 srcdir="`(cd ${srcdir}; pwd)`"
90 fi
91 ;;
92 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
93 esac
94
95 #### Check if the source directory already has a configured system in it.
96 if test `pwd` != `(cd ${srcdir} && pwd)` \
97 && test -f "${srcdir}/src/config.h" ; then
98 AC_MSG_WARN([The directory tree \`${srcdir}' is being used
99 as a build directory right now; it has been configured in its own
100 right. To configure in another directory as well, you MUST
101 use GNU make. If you do not have GNU make, then you must
102 now do \`make distclean' in ${srcdir},
103 and then run $0 again.])
104
105 changequote(, )dnl
106 extrasub='/^VPATH[ ]*=/c\
107 changequote([, ])dnl
108 vpath %.c $(srcdir)\
109 vpath %.h $(srcdir)\
110 vpath %.y $(srcdir)\
111 vpath %.l $(srcdir)\
112 vpath %.s $(srcdir)\
113 vpath %.in $(srcdir)\
114 vpath %.texi $(srcdir)'
115 fi
116
117 #### Given the configuration name, set machfile and opsysfile to the
118 #### names of the m/*.h and s/*.h files we should use.
119
120 ### Canonicalize the configuration name.
121
122 AC_CANONICAL_HOST
123 canonical=$host
124 configuration=$host_alias
125
126 changequote(, )dnl
127
128 ### If you add support for a new configuration, add code to this
129 ### switch statement to recognize your configuration name and select
130 ### the appropriate operating system and machine description files.
131
132 ### You would hope that you could choose an m/*.h file pretty much
133 ### based on the machine portion of the configuration name, and an s-
134 ### file based on the operating system portion. However, it turns out
135 ### that each m/*.h file is pretty manufacturer-specific - for
136 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
137 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
138 ### machines. So we basically have to have a special case for each
139 ### configuration name.
140 ###
141 ### As far as handling version numbers on operating systems is
142 ### concerned, make sure things will fail in a fixable way. If
143 ### /etc/MACHINES doesn't say anything about version numbers, be
144 ### prepared to handle anything reasonably. If version numbers
145 ### matter, be sure /etc/MACHINES says something about it.
146 ###
147 ### Eric Raymond says we should accept strings like "sysvr4" to mean
148 ### "System V Release 4"; he writes, "The old convention encouraged
149 ### confusion between `system' and `release' levels'."
150
151 machine='' opsys='' unported=no
152 case "${canonical}" in
153
154 ## NetBSD ports
155 *-*-netbsd* )
156 opsys=netbsd
157 case "${canonical}" in
158 i[3456]86-*-netbsd*) machine=intel386 ;;
159 m68k-*-netbsd*)
160 # This is somewhat bogus.
161 machine=hp9000s300 ;;
162 mips-*-netbsd*) machine=pmax ;;
163 ns32k-*-netbsd*) machine=ns32000 ;;
164 sparc-*-netbsd*) machine=sparc ;;
165 esac
166 ;;
167
168 ## Acorn RISCiX:
169 arm-acorn-riscix1.1* )
170 machine=acorn opsys=riscix1-1
171 ;;
172 arm-acorn-riscix1.2* | arm-acorn-riscix )
173 machine=acorn opsys=riscix1-2
174 ;;
175
176 ## Alliant machines
177 ## Strictly speaking, we need the version of the alliant operating
178 ## system to choose the right machine file, but currently the
179 ## configuration name doesn't tell us enough to choose the right
180 ## one; we need to give alliants their own operating system name to
181 ## do this right. When someone cares, they can help us.
182 fx80-alliant-* )
183 machine=alliant4 opsys=bsd4-2
184 ;;
185 i860-alliant-* )
186 machine=alliant-2800 opsys=bsd4-3
187 ;;
188
189 ## Alpha (DEC) machines.
190 alpha-dec-osf* )
191 machine=alpha opsys=osf1
192 ;;
193
194 alpha-*-linux-gnu* )
195 machine=alpha opsys=gnu-linux
196 ;;
197
198 ## Altos 3068
199 m68*-altos-sysv* )
200 machine=altos opsys=usg5-2
201 ;;
202
203 ## Amdahl UTS
204 580-amdahl-sysv* )
205 machine=amdahl opsys=usg5-2-2
206 ;;
207
208 ## Apollo, Domain/OS
209 m68*-apollo-* )
210 machine=apollo opsys=bsd4-3
211 ;;
212
213 ## AT&T 3b2, 3b5, 3b15, 3b20
214 we32k-att-sysv* )
215 machine=att3b opsys=usg5-2-2
216 ;;
217
218 ## AT&T 3b1 - The Mighty Unix PC!
219 m68*-att-sysv* )
220 machine=7300 opsys=usg5-2-2
221 ;;
222
223 ## Bull dpx20
224 rs6000-bull-bosx* )
225 machine=ibmrs6000 opsys=aix3-2
226 ;;
227
228 ## Bull dpx2
229 m68*-bull-sysv3* )
230 machine=dpx2 opsys=usg5-3
231 ;;
232
233 ## Bull sps7
234 m68*-bull-sysv2* )
235 machine=sps7 opsys=usg5-2
236 ;;
237
238 ## CCI 5/32, 6/32 -- see "Tahoe".
239
240 ## Celerity
241 ## I don't know what configuration name to use for this; config.sub
242 ## doesn't seem to know anything about it. Hey, Celerity users, get
243 ## in touch with us!
244 celerity-celerity-bsd* )
245 machine=celerity opsys=bsd4-2
246 ;;
247
248 ## Clipper
249 ## What operating systems does this chip run that Emacs has been
250 ## tested on?
251 clipper-* )
252 machine=clipper
253 ## We'll use the catch-all code at the bottom to guess the
254 ## operating system.
255 ;;
256
257 ## Convex
258 *-convex-bsd* | *-convex-convexos* )
259 machine=convex opsys=bsd4-3
260 ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
261 NON_GNU_CPP="cc -E -P"
262 ;;
263
264 ## Cubix QBx/386
265 i[3456]86-cubix-sysv* )
266 machine=intel386 opsys=usg5-3
267 ;;
268
269 ## Cydra 5
270 cydra*-cydrome-sysv* )
271 machine=cydra5 opsys=usg5-3
272 ;;
273
274 ## Data General AViiON Machines
275 m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
276 machine=aviion opsys=dgux5-4r3
277 ;;
278 m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
279 machine=aviion opsys=dgux5-4r2
280 ;;
281 m88k-dg-dgux* )
282 machine=aviion opsys=dgux
283 ;;
284
285 ## DECstations
286 mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
287 machine=pmax opsys=bsd4-2
288 ;;
289 mips-dec-ultrix4.[12]* | mips-dec-bsd* )
290 machine=pmax opsys=bsd4-3
291 ;;
292 mips-dec-ultrix* )
293 machine=pmax opsys=ultrix4-3
294 ;;
295 mips-dec-osf* )
296 machine=pmax opsys=osf1
297 ;;
298 mips-dec-mach_bsd4.3* )
299 machine=pmax opsys=mach-bsd4-3
300 ;;
301
302 ## Motorola Delta machines
303 m68k-motorola-sysv* | m68000-motorola-sysv* )
304 machine=delta opsys=usg5-3
305 if test -z "`type gnucc | grep 'not found'`"
306 then
307 if test -s /etc/167config
308 then CC="gnucc -m68040"
309 else CC="gnucc -m68881"
310 fi
311 else
312 if test -z "`type gcc | grep 'not found'`"
313 then CC=gcc
314 else CC=cc
315 fi
316 fi
317 ;;
318 m88k-motorola-sysv4* )
319 # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
320 # needs POSIX_SIGNALS and therefore needs usg5-4-2.
321 # I hope there are not other 4.0 versions for this machine
322 # which really need usg5-4 instead.
323 machine=delta88k opsys=usg5-4-2
324 ;;
325 m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
326 machine=delta88k opsys=usg5-3
327 ;;
328
329 ## Dual machines
330 m68*-dual-sysv* )
331 machine=dual opsys=usg5-2
332 ;;
333 m68*-dual-uniplus* )
334 machine=dual opsys=unipl5-2
335 ;;
336
337 ## Elxsi 6400
338 elxsi-elxsi-sysv* )
339 machine=elxsi opsys=usg5-2
340 ;;
341
342 ## Encore machines
343 ns16k-encore-bsd* )
344 machine=ns16000 opsys=umax
345 ;;
346
347 ## The GEC 93 - apparently, this port isn't really finished yet.
348
349 ## Gould Power Node and NP1
350 pn-gould-bsd4.2* )
351 machine=gould opsys=bsd4-2
352 ;;
353 pn-gould-bsd4.3* )
354 machine=gould opsys=bsd4-3
355 ;;
356 np1-gould-bsd* )
357 machine=gould-np1 opsys=bsd4-3
358 ;;
359
360 ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
361 ## as far as Emacs is concerned).
362 m88k-harris-cxux* )
363 # Build needs to be different on 7.0 and later releases
364 case "`uname -r`" in
365 [56].[0-9] ) machine=nh4000 opsys=cxux ;;
366 [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
367 esac
368 NON_GNU_CPP="/lib/cpp"
369 ;;
370 ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
371 m68k-harris-cxux* )
372 machine=nh3000 opsys=cxux
373 ;;
374 ## Harris power pc NightHawk running Power UNIX (Series 6000)
375 powerpc-harris-powerunix )
376 machine=nh6000 opsys=powerunix
377 NON_GNU_CPP="cc -Xo -E -P"
378 ;;
379
380 ## Honeywell XPS100
381 xps*-honeywell-sysv* )
382 machine=xps100 opsys=usg5-2
383 ;;
384
385 ## HP 9000 series 200 or 300
386 m68*-hp-bsd* )
387 machine=hp9000s300 opsys=bsd4-3
388 ;;
389 ## HP/UX 7, 8, 9, and 10 are supported on these machines.
390 m68*-hp-hpux* )
391 case "`uname -r`" in
392 ## Someone's system reports A.B8.05 for this.
393 ## I wonder what other possibilities there are.
394 *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
395 *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
396 *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
397 *.10.* ) machine=hp9000s300 opsys=hpux9shr ;;
398 *) machine=hp9000s300 opsys=hpux ;;
399 esac
400 ;;
401
402 ## HP 9000 series 700 and 800, running HP/UX
403 hppa*-hp-hpux7* )
404 machine=hp800 opsys=hpux
405 ;;
406 hppa*-hp-hpux8* )
407 machine=hp800 opsys=hpux8
408 ;;
409 hppa*-hp-hpux9shr* )
410 machine=hp800 opsys=hpux9shr
411 ;;
412 hppa*-hp-hpux9* )
413 machine=hp800 opsys=hpux9
414 ;;
415 hppa*-hp-hpux10* )
416 machine=hp800 opsys=hpux10
417 ;;
418
419 ## HP 9000 series 700 and 800, running HP/UX
420 hppa*-hp-hpux* )
421 ## Cross-compilation? Nah!
422 case "`uname -r`" in
423 ## Someone's system reports A.B8.05 for this.
424 ## I wonder what other possibilities there are.
425 *.B8.* ) machine=hp800 opsys=hpux8 ;;
426 *.08.* ) machine=hp800 opsys=hpux8 ;;
427 *.09.* ) machine=hp800 opsys=hpux9 ;;
428 *) machine=hp800 opsys=hpux ;;
429 esac
430 ;;
431 hppa-*-nextstep* )
432 machine=hp800 opsys=nextstep
433 ;;
434
435 ## Orion machines
436 orion-orion-bsd* )
437 machine=orion opsys=bsd4-2
438 ;;
439 clipper-orion-bsd* )
440 machine=orion105 opsys=bsd4-2
441 ;;
442
443 ## IBM machines
444 i[3456]86-ibm-aix1.1* )
445 machine=ibmps2-aix opsys=usg5-2-2
446 ;;
447 i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
448 machine=ibmps2-aix opsys=usg5-3
449 ;;
450 i370-ibm-aix*)
451 machine=ibm370aix opsys=usg5-3
452 ;;
453 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
454 machine=ibmrs6000 opsys=aix3-1
455 ;;
456 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
457 machine=ibmrs6000 opsys=aix3-2-5
458 ;;
459 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
460 machine=ibmrs6000 opsys=aix4-1
461 ;;
462 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
463 machine=ibmrs6000 opsys=aix4
464 ;;
465 rs6000-ibm-aix* | powerpc-ibm-aix* )
466 machine=ibmrs6000 opsys=aix3-2
467 ;;
468 romp-ibm-bsd4.3* )
469 machine=ibmrt opsys=bsd4-3
470 ;;
471 romp-ibm-bsd4.2* )
472 machine=ibmrt opsys=bsd4-2
473 ;;
474 romp-ibm-aos4.3* )
475 machine=ibmrt opsys=bsd4-3
476 ;;
477 romp-ibm-aos4.2* )
478 machine=ibmrt opsys=bsd4-2
479 ;;
480 romp-ibm-aos* )
481 machine=ibmrt opsys=bsd4-3
482 ;;
483 romp-ibm-bsd* )
484 machine=ibmrt opsys=bsd4-3
485 ;;
486 romp-ibm-aix* )
487 machine=ibmrt-aix opsys=usg5-2-2
488 ;;
489
490 ## Integrated Solutions `Optimum V'
491 m68*-isi-bsd4.2* )
492 machine=isi-ov opsys=bsd4-2
493 ;;
494 m68*-isi-bsd4.3* )
495 machine=isi-ov opsys=bsd4-3
496 ;;
497
498 ## Intel 386 machines where we do care about the manufacturer
499 i[3456]86-intsys-sysv* )
500 machine=is386 opsys=usg5-2-2
501 ;;
502
503 ## Prime EXL
504 i[3456]86-prime-sysv* )
505 machine=i386 opsys=usg5-3
506 ;;
507
508 ## Sequent Symmetry running Dynix
509 i[3456]86-sequent-bsd* )
510 machine=symmetry opsys=bsd4-3
511 ;;
512
513 ## Sequent Symmetry running DYNIX/ptx
514 ## Use the old cpp rather than the newer ANSI one.
515 i[3456]86-sequent-ptx* )
516 machine=sequent-ptx opsys=ptx
517 NON_GNU_CPP="/lib/cpp"
518 ;;
519
520 ## ncr machine running svr4.3.
521 i[3456]86-ncr-sysv4.3 )
522 machine=ncr386 opsys=usg5-4-3
523 ;;
524
525 ## Unspecified sysv on an ncr machine defaults to svr4.2.
526 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
527 i[3456]86-ncr-sysv* )
528 machine=ncr386 opsys=usg5-4-2
529 ;;
530
531 ## Intel Paragon OSF/1
532 i860-intel-osf1* )
533 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
534 ;;
535
536 ## Intel 860
537 i860-*-sysv4* )
538 machine=i860 opsys=usg5-4
539 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
540 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
541 ;;
542
543 ## Masscomp machines
544 m68*-masscomp-rtu* )
545 machine=masscomp opsys=rtu
546 ;;
547
548 ## Megatest machines
549 m68*-megatest-bsd* )
550 machine=mega68 opsys=bsd4-2
551 ;;
552
553 ## Workstations sold by MIPS
554 ## This is not necessarily all workstations using the MIPS processor -
555 ## Irises are produced by SGI, and DECstations by DEC.
556
557 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
558 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
559 ## it gives for choosing between the alternatives seems to be "Use
560 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
561 ## the BSD world." I'll assume that these are instructions for
562 ## handling two odd situations, and that every other situation
563 ## should use mips.h and usg5-2-2, they being listed first.
564 mips-mips-usg* )
565 machine=mips4
566 ## Fall through to the general code at the bottom to decide on the OS.
567 ;;
568 mips-mips-riscos4* )
569 machine=mips4 opsys=bsd4-3
570 NON_GNU_CC="cc -systype bsd43"
571 NON_GNU_CPP="cc -systype bsd43 -E"
572 ;;
573 mips-mips-riscos5* )
574 machine=mips4 opsys=riscos5
575 NON_GNU_CC="cc -systype bsd43"
576 NON_GNU_CPP="cc -systype bsd43 -E"
577 ;;
578 mips-mips-bsd* )
579 machine=mips opsys=bsd4-3
580 ;;
581 mips-mips-* )
582 machine=mips opsys=usg5-2-2
583 ;;
584
585 ## NeXT
586 m68*-next-* | m68k-*-nextstep* )
587 machine=m68k opsys=nextstep
588 ;;
589
590 ## The complete machine from National Semiconductor
591 ns32k-ns-genix* )
592 machine=ns32000 opsys=usg5-2
593 ;;
594
595 ## NCR machines
596 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
597 machine=tower32 opsys=usg5-2-2
598 ;;
599 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
600 machine=tower32v3 opsys=usg5-3
601 ;;
602
603 ## Nixdorf Targon 31
604 m68*-nixdorf-sysv* )
605 machine=targon31 opsys=usg5-2-2
606 ;;
607
608 ## Nu (TI or LMI)
609 m68*-nu-sysv* )
610 machine=nu opsys=usg5-2
611 ;;
612
613 ## Plexus
614 m68*-plexus-sysv* )
615 machine=plexus opsys=usg5-2
616 ;;
617
618 ## Pyramid machines
619 ## I don't really have any idea what sort of processor the Pyramid has,
620 ## so I'm assuming it is its own architecture.
621 pyramid-pyramid-bsd* )
622 machine=pyramid opsys=bsd4-2
623 ;;
624
625 ## Sequent Balance
626 ns32k-sequent-bsd4.2* )
627 machine=sequent opsys=bsd4-2
628 ;;
629 ns32k-sequent-bsd4.3* )
630 machine=sequent opsys=bsd4-3
631 ;;
632
633 ## Siemens Nixdorf
634 mips-siemens-sysv* | mips-sni-sysv*)
635 machine=mips-siemens opsys=usg5-4
636 NON_GNU_CC=/usr/ccs/bin/cc
637 NON_GNU_CPP=/usr/ccs/lib/cpp
638 ;;
639
640 ## Silicon Graphics machines
641 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
642 m68*-sgi-iris3.5* )
643 machine=irist opsys=iris3-5
644 ;;
645 m68*-sgi-iris3.6* | m68*-sgi-iris*)
646 machine=irist opsys=iris3-6
647 ;;
648 ## Iris 4D
649 mips-sgi-irix3* )
650 machine=iris4d opsys=irix3-3
651 ;;
652 mips-sgi-irix4* )
653 machine=iris4d opsys=irix4-0
654 ;;
655 mips-sgi-irix6* )
656 machine=iris4d opsys=irix6-0
657 NON_GNU_CPP=/lib/cpp
658 NON_GCC_TEST_OPTIONS=-32
659 ;;
660 mips-sgi-irix5.[01]* )
661 machine=iris4d opsys=irix5-0
662 ;;
663 mips-sgi-irix5* | mips-sgi-irix* )
664 machine=iris4d opsys=irix5-2
665 ;;
666
667 ## SONY machines
668 m68*-sony-bsd4.2* )
669 machine=news opsys=bsd4-2
670 ;;
671 m68*-sony-bsd4.3* )
672 machine=news opsys=bsd4-3
673 ;;
674 m68*-sony-newsos3* | m68*-sony-news3*)
675 machine=news opsys=bsd4-3
676 ;;
677 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
678 machine=news-risc opsys=bsd4-3
679 ;;
680 mips-sony-news* )
681 machine=news-risc opsys=newsos5
682 ;;
683
684 ## Stride
685 m68*-stride-sysv* )
686 machine=stride opsys=usg5-2
687 ;;
688
689 ## Suns
690 sparc-*-linux-gnu* )
691 machine=sparc opsys=gnu-linux
692 ;;
693
694 *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
695 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
696 | rs6000-*-solaris2*)
697 case "${canonical}" in
698 m68*-sunos1* ) machine=sun1 ;;
699 m68*-sunos2* ) machine=sun2 ;;
700 m68* ) machine=sun3 ;;
701 i[3456]86-sun-sunos[34]* ) machine=sun386 ;;
702 i[3456]86-*-* ) machine=intel386 ;;
703 powerpc* | rs6000* ) machine=ibmrs6000 ;;
704 sparc* ) machine=sparc ;;
705 * ) unported=yes ;;
706 esac
707 case "${canonical}" in
708 ## The Sun386 didn't get past 4.0.
709 i[3456]86-*-sunos4 ) opsys=sunos4-0 ;;
710 *-sunos4.0* ) opsys=sunos4-0 ;;
711 *-sunos4.1.[3-9]*noshare )
712 opsys=sunos4-1-3
713 NON_GNU_CPP=/usr/lib/cpp
714 NON_GCC_TEST_OPTIONS=-Bstatic
715 GCC_TEST_OPTIONS=-static
716 ;;
717 *-sunos4.1.[3-9]* | *-sunos4shr*)
718 opsys=sunos4shr
719 NON_GNU_CPP=/usr/lib/cpp
720 ;;
721 *-sunos4* | *-sunos )
722 opsys=sunos4-1
723 NON_GCC_TEST_OPTIONS=-Bstatic
724 GCC_TEST_OPTIONS=-static
725 ;;
726 *-sunos5.3* | *-solaris2.3* )
727 opsys=sol2-3
728 NON_GNU_CPP=/usr/ccs/lib/cpp
729 ;;
730 *-sunos5.4* | *-solaris2.4* )
731 opsys=sol2-4
732 NON_GNU_CPP=/usr/ccs/lib/cpp
733 RANLIB="ar -ts"
734 ;;
735 *-sunos5.5* | *-solaris2.5* )
736 opsys=sol2-5
737 NON_GNU_CPP=/usr/ccs/lib/cpp
738 RANLIB="ar -ts"
739 ;;
740 *-sunos5* | *-solaris* )
741 opsys=sol2-4
742 NON_GNU_CPP=/usr/ccs/lib/cpp
743 ;;
744 * ) opsys=bsd4-2 ;;
745 esac
746 ## Watch out for a compiler that we know will not work.
747 case "${canonical}" in
748 *-solaris* | *-sunos5* )
749 if [ "x$CC" = x/usr/ucb/cc ]; then
750 ## /usr/ucb/cc doesn't work;
751 ## we should find some other compiler that does work.
752 unset CC
753 fi
754 ;;
755 *) ;;
756 esac
757 ;;
758 sparc-*-nextstep* )
759 machine=sparc opsys=nextstep
760 ;;
761
762 ## Tadpole 68k
763 m68*-tadpole-sysv* )
764 machine=tad68k opsys=usg5-3
765 ;;
766
767 ## Tahoe machines
768 tahoe-tahoe-bsd4.2* )
769 machine=tahoe opsys=bsd4-2
770 ;;
771 tahoe-tahoe-bsd4.3* )
772 machine=tahoe opsys=bsd4-3
773 ;;
774
775 ## Tandem Integrity S2
776 mips-tandem-sysv* )
777 machine=tandem-s2 opsys=usg5-3
778 ;;
779
780 ## Tektronix XD88
781 m88k-tektronix-sysv3* )
782 machine=tekxd88 opsys=usg5-3
783 ;;
784
785 ## Tektronix 16000 box (6130?)
786 ns16k-tektronix-bsd* )
787 machine=ns16000 opsys=bsd4-2
788 ;;
789 ## Tektronix 4300
790 ## src/m/tek4300.h hints that this is a m68k machine.
791 m68*-tektronix-bsd* )
792 machine=tek4300 opsys=bsd4-3
793 ;;
794
795 ## Titan P2 or P3
796 ## We seem to have lost the machine-description file titan.h!
797 titan-titan-sysv* )
798 machine=titan opsys=usg5-3
799 ;;
800
801 ## Ustation E30 (SS5E)
802 m68*-unisys-uniplus* )
803 machine=ustation opsystem=unipl5-2
804 ;;
805
806 ## Vaxen.
807 vax-dec-* )
808 machine=vax
809 case "${canonical}" in
810 *-bsd4.1* ) opsys=bsd4-1 ;;
811 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
812 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
813 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
814 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
815 *-vms* ) opsys=vms ;;
816 * ) unported=yes
817 esac
818 ;;
819
820 ## Whitechapel MG1
821 ns16k-whitechapel-* )
822 machine=mg1
823 ## We don't know what sort of OS runs on these; we'll let the
824 ## operating system guessing code below try.
825 ;;
826
827 ## Wicat
828 m68*-wicat-sysv* )
829 machine=wicat opsys=usg5-2
830 ;;
831
832 ## Intel 386 machines where we don't care about the manufacturer
833 i[3456]86-*-* )
834 machine=intel386
835 case "${canonical}" in
836 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
837 *-isc2.2* ) opsys=isc2-2 ;;
838 *-isc4.0* ) opsys=isc4-0 ;;
839 *-isc4.* ) opsys=isc4-1
840 GCC_TEST_OPTIONS=-posix
841 NON_GCC_TEST_OPTIONS=-Xp
842 ;;
843 *-isc* ) opsys=isc3-0 ;;
844 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
845 *-esix* ) opsys=esix ;;
846 *-xenix* ) opsys=xenix ;;
847 *-linux-gnu* ) opsys=gnu-linux ;;
848 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
849 *-sco3.2v5* ) opsys=sco5
850 NON_GNU_CPP=/lib/cpp
851 # Prevent -belf from being passed to $CPP.
852 # /lib/cpp does not accept it.
853 OVERRIDE_CPPFLAGS=" "
854 ;;
855 *-bsd386* | *-bsdi1* ) opsys=bsd386 ;;
856 *-bsdi2.0* ) opsys=bsdos2 ;;
857 *-bsdi2* ) opsys=bsdos2-1 ;;
858 *-386bsd* ) opsys=386bsd ;;
859 *-freebsd* ) opsys=freebsd ;;
860 *-nextstep* ) opsys=nextstep ;;
861 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
862 esac
863 ;;
864
865 ## Linux/68k-based GNU system
866 m68k-*-linux-gnu* )
867 machine=m68k opsys=gnu-linux
868 ;;
869
870 * )
871 unported=yes
872 ;;
873 esac
874
875 ### If the code above didn't choose an operating system, just choose
876 ### an operating system based on the configuration name. You really
877 ### only want to use this when you have no idea what the right
878 ### operating system is; if you know what operating systems a machine
879 ### runs, it's cleaner to make it explicit in the case statement
880 ### above.
881 if test x"${opsys}" = x; then
882 case "${canonical}" in
883 *-gnu* ) opsys=gnu ;;
884 *-bsd4.[01] ) opsys=bsd4-1 ;;
885 *-bsd4.2 ) opsys=bsd4-2 ;;
886 *-bsd4.3 ) opsys=bsd4-3 ;;
887 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
888 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
889 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
890 *-sysv3* | *-sysvr3* ) opsys=usg5-3 ;;
891 *-sysv4.1* | *-sysvr4.1* )
892 NON_GNU_CPP=/usr/lib/cpp
893 opsys=usg5-4 ;;
894 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
895 if [ x$NON_GNU_CPP = x ]; then
896 if [ -f /usr/ccs/lib/cpp ]; then
897 NON_GNU_CPP=/usr/ccs/lib/cpp
898 else
899 NON_GNU_CPP=/lib/cpp
900 fi
901 fi
902 opsys=usg5-4-2 ;;
903 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
904 * )
905 unported=yes
906 ;;
907 esac
908 fi
909
910 if test "x$RANLIB" = x; then
911 RANLIB=ranlib
912 fi
913
914 changequote([, ])dnl
915
916 if test $unported = yes; then
917 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
918 Check \`etc/MACHINES' for recognized configuration names.])
919 fi
920
921 machfile="m/${machine}.h"
922 opsysfile="s/${opsys}.h"
923
924
925 #### Choose a compiler.
926 test -n "$CC" && cc_specified=yes
927
928 # Save the value of CFLAGS that the user specified.
929 SPECIFIED_CFLAGS="$CFLAGS"
930
931 case ${with_gcc} in
932 "yes" ) CC="gcc" GCC=yes ;;
933 "no" ) : ${CC=cc} ;;
934 * ) AC_PROG_CC
935 esac
936
937 # On Suns, sometimes $CPP names a directory.
938 if test -n "$CPP" && test -d "$CPP"; then
939 CPP=
940 fi
941
942 #### Some systems specify a CPP to use unless we are using GCC.
943 #### Now that we know whether we are using GCC, we can decide whether
944 #### to use that one.
945 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
946 then
947 CPP="$NON_GNU_CPP"
948 fi
949
950 #### Some systems specify a CC to use unless we are using GCC.
951 #### Now that we know whether we are using GCC, we can decide whether
952 #### to use that one.
953 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
954 test x$cc_specified != xyes
955 then
956 CC="$NON_GNU_CC"
957 fi
958
959 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
960 then
961 CC="$CC $GCC_TEST_OPTIONS"
962 fi
963
964 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
965 then
966 CC="$CC $NON_GCC_TEST_OPTIONS"
967 fi
968
969 #### Some other nice autoconf tests. If you add a test here which
970 #### should make an entry in src/config.h, don't forget to add an
971 #### #undef clause to src/config.h.in for autoconf to modify.
972
973 dnl checks for programs
974 AC_PROG_LN_S
975 AC_PROG_CPP
976 AC_PROG_INSTALL
977 AC_PROG_YACC
978
979 dnl checks for Unix variants
980 AC_AIX
981
982 dnl checks for header files
983 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h)
984 AC_HEADER_STDC
985 AC_HEADER_TIME
986 AC_DECL_SYS_SIGLIST
987
988 dnl Some systems have utime.h but don't declare the struct anyplace.
989 AC_MSG_CHECKING(for struct utimbuf)
990 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
991 #include <sys/time.h>
992 #include <time.h>
993 #else
994 #ifdef HAVE_SYS_TIME_H
995 #include <sys/time.h>
996 #else
997 #include <time.h>
998 #endif
999 #endif
1000 #ifdef HAVE_UTIME_H
1001 #include <utime.h>
1002 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1003 [AC_MSG_RESULT(yes)
1004 AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
1005 AC_MSG_RESULT(no))
1006
1007 dnl checks for typedefs
1008 AC_TYPE_SIGNAL
1009
1010 AC_MSG_CHECKING(for struct timeval)
1011 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1012 #include <sys/time.h>
1013 #include <time.h>
1014 #else
1015 #ifdef HAVE_SYS_TIME_H
1016 #include <sys/time.h>
1017 #else
1018 #include <time.h>
1019 #endif
1020 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1021 [AC_MSG_RESULT(yes)
1022 HAVE_TIMEVAL=yes
1023 AC_DEFINE(HAVE_TIMEVAL)],
1024 [AC_MSG_RESULT(no)
1025 HAVE_TIMEVAL=no])
1026
1027 dnl checks for structure members
1028 AC_STRUCT_TM
1029 AC_STRUCT_TIMEZONE
1030
1031 dnl checks for compiler characteristics
1032 AC_C_CONST
1033
1034 dnl check for Make feature
1035 AC_PROG_MAKE_SET
1036
1037 dnl checks for operating system services
1038 AC_SYS_LONG_FILE_NAMES
1039
1040 #### Choose a window system.
1041
1042 AC_PATH_X
1043 if test "$no_x" = yes; then
1044 window_system=none
1045 else
1046 window_system=x11
1047 fi
1048
1049 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1050 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1051 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1052 fi
1053 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1054 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1055 fi
1056
1057 if test x"${x_includes}" = x; then
1058 bitmapdir=/usr/include/X11/bitmaps
1059 else
1060 # accumulate include directories that have X11 bitmap subdirectories
1061 bmd_acc="dummyval"
1062 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1063 if test -d "${bmd}/X11/bitmaps"; then
1064 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1065 elif test -d "${bmd}/bitmaps"; then
1066 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1067 fi
1068 done
1069 if test ${bmd_acc} != "dummyval"; then
1070 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1071 fi
1072 fi
1073
1074 case "${window_system}" in
1075 x11 )
1076 HAVE_X_WINDOWS=yes
1077 HAVE_X11=yes
1078 case "${with_x_toolkit}" in
1079 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1080 motif ) USE_X_TOOLKIT=MOTIF ;;
1081 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1082 no ) USE_X_TOOLKIT=none ;;
1083 dnl If user did not say whether to use a toolkit,
1084 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1085 * ) USE_X_TOOLKIT=maybe ;;
1086 esac
1087 ;;
1088 none )
1089 HAVE_X_WINDOWS=no
1090 HAVE_X11=no
1091 USE_X_TOOLKIT=none
1092 ;;
1093 esac
1094
1095 ### If we're using X11, we should use the X menu package.
1096 HAVE_MENUS=no
1097 case ${HAVE_X11} in
1098 yes ) HAVE_MENUS=yes ;;
1099 esac
1100
1101 if test "${opsys}" = "hpux9"; then
1102 case "${x_libraries}" in
1103 *X11R4* )
1104 opsysfile="s/hpux9-x11r4.h"
1105 ;;
1106 esac
1107 fi
1108
1109 if test "${opsys}" = "hpux9shr"; then
1110 case "${x_libraries}" in
1111 *X11R4* )
1112 opsysfile="s/hpux9shxr4.h"
1113 ;;
1114 esac
1115 fi
1116
1117 #### Extract some information from the operating system and machine files.
1118
1119 AC_CHECKING([the machine- and system-dependent files to find out
1120 - which libraries the lib-src programs will want, and
1121 - whether the GNU malloc routines are usable])
1122
1123 ### First figure out CFLAGS (which we use for running the compiler here)
1124 ### and REAL_CFLAGS (which we use for real compilation).
1125 ### The two are the same except on a few systems, where they are made
1126 ### different to work around various lossages. For example,
1127 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1128 ### as implying static linking.
1129
1130 ### If the CFLAGS env var is specified, we use that value
1131 ### instead of the default.
1132
1133 ### It's not important that this name contain the PID; you can't run
1134 ### two configures in the same directory and have anything work
1135 ### anyway.
1136 tempcname="conftest.c"
1137
1138 echo '
1139 #include "'${srcdir}'/src/'${opsysfile}'"
1140 #include "'${srcdir}'/src/'${machfile}'"
1141 #ifndef LIBS_MACHINE
1142 #define LIBS_MACHINE
1143 #endif
1144 #ifndef LIBS_SYSTEM
1145 #define LIBS_SYSTEM
1146 #endif
1147 #ifndef C_SWITCH_SYSTEM
1148 #define C_SWITCH_SYSTEM
1149 #endif
1150 #ifndef C_SWITCH_MACHINE
1151 #define C_SWITCH_MACHINE
1152 #endif
1153 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1154 configure___ c_switch_system=C_SWITCH_SYSTEM
1155 configure___ c_switch_machine=C_SWITCH_MACHINE
1156
1157 #ifndef LIB_X11_LIB
1158 #define LIB_X11_LIB -lX11
1159 #endif
1160
1161 #ifndef LIBX11_MACHINE
1162 #define LIBX11_MACHINE
1163 #endif
1164
1165 #ifndef LIBX11_SYSTEM
1166 #define LIBX11_SYSTEM
1167 #endif
1168 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1169
1170 #ifdef UNEXEC
1171 configure___ unexec=UNEXEC
1172 #else
1173 configure___ unexec=unexec.o
1174 #endif
1175
1176 #ifdef SYSTEM_MALLOC
1177 configure___ system_malloc=yes
1178 #else
1179 configure___ system_malloc=no
1180 #endif
1181
1182 #ifndef C_DEBUG_SWITCH
1183 #define C_DEBUG_SWITCH -g
1184 #endif
1185
1186 #ifndef C_OPTIMIZE_SWITCH
1187 #define C_OPTIMIZE_SWITCH -O
1188 #endif
1189
1190 #ifdef THIS_IS_CONFIGURE
1191
1192 /* Get the CFLAGS for tests in configure. */
1193 #ifdef __GNUC__
1194 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1195 #else
1196 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1197 #endif
1198
1199 #else /* not THIS_IS_CONFIGURE */
1200
1201 /* Get the CFLAGS for real compilation. */
1202 #ifdef __GNUC__
1203 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1204 #else
1205 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1206 #endif
1207
1208 #endif /* not THIS_IS_CONFIGURE */
1209 ' > ${tempcname}
1210
1211 # The value of CPP is a quoted variable reference, so we need to do this
1212 # to get its actual value...
1213 CPP=`eval "echo $CPP"`
1214 changequote(, )dnl
1215 eval `${CPP} -Isrc ${tempcname} \
1216 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1217 if test "x$SPECIFIED_CFLAGS" = x; then
1218 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1219 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1220 else
1221 REAL_CFLAGS="$CFLAGS"
1222 fi
1223 changequote([, ])dnl
1224 rm ${tempcname}
1225
1226 ### Compute the unexec source name from the object name.
1227 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1228
1229 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1230 # Assume not, until told otherwise.
1231 GNU_MALLOC=yes
1232 if test "${system_malloc}" = "yes"; then
1233 GNU_MALLOC=no
1234 GNU_MALLOC_reason="
1235 (The GNU allocators don't work with this system configuration.)"
1236 fi
1237
1238 if test x"${REL_ALLOC}" = x; then
1239 REL_ALLOC=${GNU_MALLOC}
1240 fi
1241
1242 LISP_FLOAT_TYPE=yes
1243
1244
1245 #### Add the libraries to LIBS and check for some functions.
1246
1247 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1248 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1249 else
1250 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1251 fi
1252
1253 LIBS="$libsrc_libs $LIBS"
1254
1255 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1256 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1257 AC_CHECK_LIB(dnet, dnet_ntoa)
1258 dnl This causes -lresolv to get used in subsequent tests,
1259 dnl which causes failures on some systems such as HPUX 9.
1260 dnl AC_CHECK_LIB(resolv, gethostbyname)
1261
1262 dnl FIXME replace main with a function we actually want from this library.
1263 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1264
1265 AC_CHECK_LIB(pthreads, cma_open)
1266
1267 AC_MSG_CHECKING(for XFree86)
1268 if test -d /usr/X386/include; then
1269 HAVE_XFREE386=yes
1270 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1271 else
1272 HAVE_XFREE386=no
1273 fi
1274 AC_MSG_RESULT($HAVE_XFREE386)
1275
1276 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1277 # for the tests that follow. We set it back to REAL_CFLAGS later on.
1278
1279 if test "${HAVE_X11}" = "yes"; then
1280 DEFS="$C_SWITCH_X_SITE $DEFS"
1281 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1282 LIBS="$LIBX $LIBS"
1283 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1284
1285 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1286 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1287 # but it's more convenient here to set LD_RUN_PATH
1288 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1289 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1290 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1291 export LD_RUN_PATH
1292 fi
1293
1294 if test "${opsys}" = "gnu-linux"; then
1295 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1296 AC_TRY_LINK([],
1297 [XOpenDisplay ("foo");],
1298 [xlinux_first_failure=no],
1299 [xlinux_first_failure=yes])
1300 if test "${xlinux_first_failure}" = "yes"; then
1301 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1302 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1303 OLD_CPPFLAGS="$CPPFLAGS"
1304 OLD_LIBS="$LIBS"
1305 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1306 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1307 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1308 LIBS="$LIBS -b i486-linuxaout"
1309 AC_TRY_LINK([],
1310 [XOpenDisplay ("foo");],
1311 [xlinux_second_failure=no],
1312 [xlinux_second_failure=yes])
1313 if test "${xlinux_second_failure}" = "yes"; then
1314 # If we get the same failure with -b, there is no use adding -b.
1315 # So take it out. This plays safe.
1316 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1317 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1318 CPPFLAGS="$OLD_CPPFLAGS"
1319 LIBS="$OLD_LIBS"
1320 AC_MSG_RESULT(no)
1321 else
1322 AC_MSG_RESULT(yes)
1323 fi
1324 else
1325 AC_MSG_RESULT(no)
1326 fi
1327 fi
1328
1329 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1330 XScreenNumberOfScreen XSetWMProtocols)
1331 fi
1332
1333 if test "${window_system}" = "x11"; then
1334 AC_MSG_CHECKING(X11 version 6)
1335 AC_TRY_LINK([#include <X11/Xlib.h>],
1336 [#if XlibSpecificationRelease < 6
1337 fail;
1338 #endif
1339 ], [AC_MSG_RESULT(6 or newer)
1340 AC_DEFINE(HAVE_X11R6)],
1341 [AC_MSG_RESULT(before 6)])
1342 fi
1343
1344 if test "${window_system}" = "x11"; then
1345 AC_MSG_CHECKING(X11 version 5)
1346 AC_TRY_LINK([#include <X11/Xlib.h>],
1347 [#if XlibSpecificationRelease < 5
1348 fail;
1349 #endif
1350 ], [AC_MSG_RESULT(5 or newer)
1351 HAVE_X11R5=yes
1352 AC_DEFINE(HAVE_X11R5)],
1353 [
1354 HAVE_X11R5=no
1355 AC_MSG_RESULT(before 5)])
1356 fi
1357
1358 dnl Do not put whitespace before the #include statements below.
1359 dnl Older compilers (eg sunos4 cc) choke on it.
1360 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1361 if test x"${HAVE_X11R5}" = xyes; then
1362 AC_MSG_CHECKING(X11 version 5 with Xaw)
1363 AC_TRY_LINK([
1364 #include <X11/Intrinsic.h>
1365 #include <X11/Xaw/Simple.h>],
1366 [],
1367 [AC_MSG_RESULT(5 or newer, with Xaw; use toolkit by default)
1368 USE_X_TOOLKIT=LUCID],
1369 [AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1370 USE_X_TOOLKIT=none])
1371 else
1372 USE_X_TOOLKIT=none
1373 fi
1374 fi
1375
1376 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1377
1378 if test "${USE_X_TOOLKIT}" != "none"; then
1379 AC_MSG_CHECKING(X11 toolkit version)
1380 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1381 [#if XtSpecificationRelease < 6
1382 fail;
1383 #endif
1384 ], [AC_MSG_RESULT(6 or newer)
1385 HAVE_X11XTR6=yes
1386 AC_DEFINE(HAVE_X11XTR6)],
1387 [AC_MSG_RESULT(before 6)
1388 HAVE_X11XTR6=no])
1389
1390 dnl If using toolkit, check whether libXmu.a exists.
1391 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1392 OLDLIBS="$LIBS"
1393 if test x$HAVE_X11XTR6 = xyes; then
1394 LIBS="-lXt -lSM -lICE $LIBS"
1395 else
1396 LIBS="-lXt $LIBS"
1397 fi
1398 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1399 LIBS="$OLDLIBS"
1400 fi
1401
1402 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1403 AC_MSG_CHECKING(whether netdb declares h_errno)
1404 AC_TRY_LINK([#include <netdb.h>],
1405 [return h_errno;],
1406 [AC_MSG_RESULT(yes)
1407 AC_DEFINE(HAVE_H_ERRNO)],
1408 [AC_MSG_RESULT(no)])
1409
1410 AC_FUNC_ALLOCA
1411
1412 # fmod, logb, and frexp are found in -lm on most systems.
1413 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1414 AC_CHECK_LIB(m, sqrt)
1415
1416 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1417 random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
1418 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale)
1419
1420 # Check this now, so that we will NOT find the above functions in ncurses.
1421 # That is because we have not set up to link ncurses in lib-src.
1422 # It's better to believe a function is not available
1423 # than to expect to find it in ncurses.
1424 AC_CHECK_LIB(ncurses, tparm)
1425
1426 AC_MSG_CHECKING(whether localtime caches TZ)
1427 AC_CACHE_VAL(emacs_cv_localtime_cache,
1428 [if test x$ac_cv_func_tzset = xyes; then
1429 AC_TRY_RUN([#include <time.h>
1430 #if STDC_HEADERS
1431 # include <stdlib.h>
1432 #endif
1433 extern char **environ;
1434 unset_TZ ()
1435 {
1436 char **from, **to;
1437 for (to = from = environ; (*to = *from); from++)
1438 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1439 to++;
1440 }
1441 char TZ_GMT0[] = "TZ=GMT0";
1442 char TZ_PST8[] = "TZ=PST8";
1443 main()
1444 {
1445 time_t now = time ((time_t *) 0);
1446 int hour_GMT0, hour_unset;
1447 if (putenv (TZ_GMT0) != 0)
1448 exit (1);
1449 hour_GMT0 = localtime (&now)->tm_hour;
1450 unset_TZ ();
1451 hour_unset = localtime (&now)->tm_hour;
1452 if (putenv (TZ_PST8) != 0)
1453 exit (1);
1454 if (localtime (&now)->tm_hour == hour_GMT0)
1455 exit (1);
1456 unset_TZ ();
1457 if (localtime (&now)->tm_hour != hour_unset)
1458 exit (1);
1459 exit (0);
1460 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1461 [# If we have tzset, assume the worst when cross-compiling.
1462 emacs_cv_localtime_cache=yes])
1463 else
1464 # If we lack tzset, report that localtime does not cache TZ,
1465 # since we can't invalidate the cache if we don't have tzset.
1466 emacs_cv_localtime_cache=no
1467 fi])dnl
1468 AC_MSG_RESULT($emacs_cv_localtime_cache)
1469 if test $emacs_cv_localtime_cache = yes; then
1470 AC_DEFINE(LOCALTIME_CACHE)
1471 fi
1472
1473 if test "x$HAVE_TIMEVAL" = xyes; then
1474 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1475 AC_TRY_LINK([
1476 #ifdef TIME_WITH_SYS_TIME
1477 #include <sys/time.h>
1478 #include <time.h>
1479 #else
1480 #ifdef HAVE_SYS_TIME_H
1481 #include <sys/time.h>
1482 #else
1483 #include <time.h>
1484 #endif
1485 #endif
1486 ],
1487 [
1488 struct timeval time;
1489 struct timezone dummy;
1490 gettimeofday (&time, &dummy);
1491 ],
1492 [AC_MSG_RESULT(no)],
1493 [AC_MSG_RESULT(yes)
1494 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1495 fi
1496
1497 ok_so_far=yes
1498 AC_CHECK_FUNC(socket, , ok_so_far=no)
1499 if test $ok_so_far = yes; then
1500 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1501 fi
1502 if test $ok_so_far = yes; then
1503 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1504 fi
1505 if test $ok_so_far = yes; then
1506 AC_DEFINE(HAVE_INET_SOCKETS)
1507 fi
1508
1509 if test -f /usr/lpp/X11/bin/smt.exp; then
1510 AC_DEFINE(HAVE_AIX_SMT_EXP)
1511 fi
1512
1513 # Set up the CFLAGS for real compilation, so we can substitute it.
1514 CFLAGS="$REAL_CFLAGS"
1515
1516 changequote(, )dnl
1517 #### Find out which version of Emacs this is.
1518 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
1519 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1520 changequote([, ])dnl
1521 if test x"${version}" = x; then
1522 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1523 fi
1524
1525 ### Specify what sort of things we'll be editing into Makefile and config.h.
1526 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1527 AC_SUBST(version)
1528 AC_SUBST(configuration)
1529 AC_SUBST(canonical)
1530 AC_SUBST(srcdir)
1531 AC_SUBST(prefix)
1532 AC_SUBST(exec_prefix)
1533 AC_SUBST(bindir)
1534 AC_SUBST(datadir)
1535 AC_SUBST(sharedstatedir)
1536 AC_SUBST(libexecdir)
1537 AC_SUBST(mandir)
1538 AC_SUBST(infodir)
1539 AC_SUBST(lispdir)
1540 AC_SUBST(locallisppath)
1541 AC_SUBST(lisppath)
1542 AC_SUBST(etcdir)
1543 AC_SUBST(lockdir)
1544 AC_SUBST(archlibdir)
1545 AC_SUBST(docdir)
1546 AC_SUBST(bitmapdir)
1547 AC_SUBST(c_switch_system)
1548 AC_SUBST(c_switch_machine)
1549 AC_SUBST(LD_SWITCH_X_SITE)
1550 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1551 AC_SUBST(C_SWITCH_X_SITE)
1552 AC_SUBST(CFLAGS)
1553 AC_SUBST(X_TOOLKIT_TYPE)
1554 AC_SUBST(machfile)
1555 AC_SUBST(opsysfile)
1556 AC_SUBST(RANLIB)
1557
1558 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
1559 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1560 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
1561 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1562 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1563 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1564 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
1565 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
1566
1567 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1568 AC_DEFINE(HAVE_X_WINDOWS)
1569 fi
1570 if test "${USE_X_TOOLKIT}" != "none" ; then
1571 AC_DEFINE(USE_X_TOOLKIT)
1572 fi
1573 if test "${HAVE_X11}" = "yes" ; then
1574 AC_DEFINE(HAVE_X11)
1575 fi
1576 if test "${HAVE_XFREE386}" = "yes" ; then
1577 AC_DEFINE(HAVE_XFREE386)
1578 fi
1579 if test "${HAVE_MENUS}" = "yes" ; then
1580 AC_DEFINE(HAVE_MENUS)
1581 fi
1582 if test "${GNU_MALLOC}" = "yes" ; then
1583 AC_DEFINE(GNU_MALLOC)
1584 fi
1585 if test "${REL_ALLOC}" = "yes" ; then
1586 AC_DEFINE(REL_ALLOC)
1587 fi
1588 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1589 AC_DEFINE(LISP_FLOAT_TYPE)
1590 fi
1591
1592 #### Report on what we decided to do.
1593 echo "
1594 Configured for \`${canonical}'.
1595
1596 Where should the build process find the source code? ${srcdir}
1597 What operating system and machine description files should Emacs use?
1598 \`${opsysfile}' and \`${machfile}'
1599 What compiler should emacs be built with? ${CC} ${CFLAGS}
1600 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
1601 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
1602 What window system should Emacs use? ${window_system}
1603 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
1604
1605 if test -n "${x_includes}"; then
1606 echo " Where do we find X Windows header files? ${x_includes}"
1607 else
1608 echo " Where do we find X Windows header files? Standard dirs"
1609 fi
1610 if test -n "${x_libraries}"; then
1611 echo " Where do we find X Windows libraries? ${x_libraries}"
1612 else
1613 echo " Where do we find X Windows libraries? Standard dirs"
1614 fi
1615
1616 echo
1617
1618 # Remove any trailing slashes in these variables.
1619 changequote(, )dnl
1620 test "${prefix}" != NONE &&
1621 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1622 test "${exec_prefix}" != NONE &&
1623 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1624 changequote([, ])dnl
1625
1626 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1627 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1628
1629 ### Make the necessary directories, if they don't exist.
1630 for dir in cpp etc ; do
1631 test -d ${dir} || mkdir ${dir}
1632 done
1633
1634 # Build src/Makefile from ${srcdir}/src/Makefile.c
1635 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1636 # This must be done after src/config.h is built, since we rely on that file.
1637
1638 changequote(, )dnl The horror, the horror.
1639 # Now get this: Some word that is part of the ${srcdir} directory name
1640 # or the ${configuration} value might, just might, happen to be an
1641 # identifier like `sun4' or `i386' or something, and be predefined by
1642 # the C preprocessor to some helpful value like 1, or maybe the empty
1643 # string. Needless to say consequent macro substitutions are less
1644 # than conducive to the makefile finding the correct directory.
1645 undefs="`echo $top_srcdir $configuration $canonical |
1646 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
1647 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1648 `"
1649 changequote([, ])dnl
1650
1651 echo creating lib-src/Makefile
1652 ( cd lib-src
1653 rm -f junk.c junk1.c junk2.c
1654 sed -e '/start of cpp stuff/q' \
1655 < Makefile.c > junk1.c
1656 sed -e '1,/start of cpp stuff/d'\
1657 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1658 < Makefile.c > junk.c
1659 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1660 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
1661 cat junk1.c junk2.c > Makefile.new
1662 rm -f junk.c junk1.c junk2.c
1663 chmod 444 Makefile.new
1664 mv -f Makefile.new Makefile
1665 )
1666
1667 echo creating src/Makefile
1668 ( cd src
1669 rm -f junk.c junk1.c junk2.c
1670 sed -e '/start of cpp stuff/q' \
1671 < Makefile.c > junk1.c
1672 sed -e '1,/start of cpp stuff/d'\
1673 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1674 < Makefile.c > junk.c
1675 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1676 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
1677 cat junk1.c junk2.c > Makefile.new
1678 rm -f junk.c junk1.c junk2.c
1679 chmod 444 Makefile.new
1680 mv -f Makefile.new Makefile
1681 )
1682
1683 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1684 echo creating src/.gdbinit
1685 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1686 fi
1687
1688 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])