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