| blob | b4e63069a3c258895a30b802892bdfb76434348e |
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.
25 AC_PREREQ(2.8)dnl
26 AC_INIT(src/lisp.h)
27 AC_CONFIG_HEADER(src/config.h:src/config.in)
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'
37 AC_ARG_WITH(gcc,
38 [ --without-gcc don't use GCC to compile Emacs if GCC is found])
39 AC_ARG_WITH(pop,
40 [ --without-pop don't support POP mail retrieval with movemail],
41 [if test "$withval" = yes; then
42 AC_DEFINE(MAIL_USE_POP)
43 else :
44 fi],
45 AC_DEFINE(MAIL_USE_POP))
46 AC_ARG_WITH(kerberos,
47 [ --with-kerberos support Kerberos-authenticated POP],
48 [AC_DEFINE(KERBEROS)])
49 AC_ARG_WITH(kerberos5,
50 [ --with-kerberos5 support Kerberos version 5 authenticated POP],
51 [if test "${with_kerberos5+set}" = set; then
52 if test "${with_kerberos+set}" != set; then
53 with_kerberos=yes
54 AC_DEFINE(KERBEROS)
55 fi
56 fi
57 AC_DEFINE(KERBEROS5)])
58 AC_ARG_WITH(hesiod,
59 [ --with-hesiod support Hesiod to get the POP server host],
60 [AC_DEFINE(HESIOD)])
61 dnl This should be the last --with option, because --with-x is
62 dnl added later on when we find the path of X, and it's best to
63 dnl keep them together visually.
64 AC_ARG_WITH(x-toolkit,
65 [ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif/no)],
66 [ case "${withval}" in
67 y | ye | yes ) val=athena ;;
68 n | no ) val=no ;;
69 l | lu | luc | luci | lucid ) val=lucid ;;
70 a | at | ath | athe | athen | athena ) val=athena ;;
71 m | mo | mot | moti | motif ) val=motif ;;
72 dnl These don't currently work.
73 dnl o | op | ope | open | open- | open-l | open-lo \
74 dnl | open-loo | open-look ) val=open-look ;;
75 * )
76 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
77 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
78 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
79 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
80 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
81 ;;
82 esac
83 with_x_toolkit=$val
84 ])
85 AC_ARG_WITH(xpm,
86 [ --with-xpm use -lXpm for displaying XPM images])
87 AC_ARG_WITH(jpeg,
88 [ --with-jpeg use -ljpeg for displaying JPEG images])
89 AC_ARG_WITH(tiff,
90 [ --with-tiff use -ltiff for displaying TIFF images])
91 AC_ARG_WITH(gif,
92 [ --with-gif use -lungif for displaying GIF images])
93 AC_ARG_WITH(png,
94 [ --with-png use -lpng for displaying PNG images])
95 AC_ARG_WITH(toolkit-scroll-bars,
96 [ --without-toolkit-scroll-bars
97 don't use Motif or Xaw3d scroll bars])
98 AC_ARG_WITH(xim,
99 [ --without-xim don't use X11 XIM])
101 #### Make srcdir absolute, if it isn't already. It's important to
102 #### avoid running the path through pwd unnecessary, since pwd can
103 #### give you automounter prefixes, which can go away. We do all this
104 #### so Emacs can find its files when run uninstalled.
105 case "${srcdir}" in
106 /* ) ;;
107 . )
108 ## We may be able to use the $PWD environment variable to make this
109 ## absolute. But sometimes PWD is inaccurate.
110 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
111 unset CDPATH
112 if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
113 then
114 srcdir="$PWD"
115 else
116 srcdir="`(cd ${srcdir}; pwd)`"
117 fi
118 ;;
119 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
120 esac
122 #### Check if the source directory already has a configured system in it.
123 if test `pwd` != `(cd ${srcdir} && pwd)` \
124 && test -f "${srcdir}/src/config.h" ; then
125 AC_MSG_WARN([The directory tree \`${srcdir}' is being used
126 as a build directory right now; it has been configured in its own
127 right. To configure in another directory as well, you MUST
128 use GNU make. If you do not have GNU make, then you must
129 now do \`make distclean' in ${srcdir},
130 and then run $0 again.])
132 changequote(, )dnl
133 extrasub='/^VPATH[ ]*=/c\
134 changequote([, ])dnl
135 vpath %.c $(srcdir)\
136 vpath %.h $(srcdir)\
137 vpath %.y $(srcdir)\
138 vpath %.l $(srcdir)\
139 vpath %.s $(srcdir)\
140 vpath %.in $(srcdir)\
141 vpath %.texi $(srcdir)'
142 fi
144 #### Given the configuration name, set machfile and opsysfile to the
145 #### names of the m/*.h and s/*.h files we should use.
147 ### Canonicalize the configuration name.
149 AC_CANONICAL_HOST
150 canonical=$host
151 configuration=$host_alias
153 changequote(, )dnl
155 ### If you add support for a new configuration, add code to this
156 ### switch statement to recognize your configuration name and select
157 ### the appropriate operating system and machine description files.
159 ### You would hope that you could choose an m/*.h file pretty much
160 ### based on the machine portion of the configuration name, and an s-
161 ### file based on the operating system portion. However, it turns out
162 ### that each m/*.h file is pretty manufacturer-specific - for
163 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
164 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
165 ### machines. So we basically have to have a special case for each
166 ### configuration name.
167 ###
168 ### As far as handling version numbers on operating systems is
169 ### concerned, make sure things will fail in a fixable way. If
170 ### /etc/MACHINES doesn't say anything about version numbers, be
171 ### prepared to handle anything reasonably. If version numbers
172 ### matter, be sure /etc/MACHINES says something about it.
173 ###
174 ### Eric Raymond says we should accept strings like "sysvr4" to mean
175 ### "System V Release 4"; he writes, "The old convention encouraged
176 ### confusion between `system' and `release' levels'."
178 machine='' opsys='' unported=no
179 case "${canonical}" in
181 ## NetBSD ports
182 *-*-netbsd* )
183 opsys=netbsd
184 case "${canonical}" in
185 alpha*-*-netbsd*) machine=alpha ;;
186 i[3456]86-*-netbsd*) machine=intel386 ;;
187 m68k-*-netbsd*)
188 # This is somewhat bogus.
189 machine=hp9000s300 ;;
190 powerpc-apple-netbsd*) machine=macppc ;;
191 mips-*-netbsd*) machine=pmax ;;
192 mipsel-*-netbsd*) machine=pmax ;;
193 ns32k-*-netbsd*) machine=ns32000 ;;
194 powerpc-*-netbsd*) machine=macppc ;;
195 sparc-*-netbsd*) machine=sparc ;;
196 vax-*-netbsd*) machine=vax ;;
197 arm-*-netbsd*) machine=arm ;;
198 esac
199 ;;
201 ## OpenBSD ports
202 *-*-openbsd* )
203 opsys=openbsd
204 case "${canonical}" in
205 alpha*-*-openbsd*) machine=alpha ;;
206 i386-*-openbsd*) machine=intel386 ;;
207 m68k-*-openbsd*) machine=hp9000s300 ;;
208 mipsel-*-openbsd*) machine=pmax ;;
209 ns32k-*-openbsd*) machine=ns32000 ;;
210 sparc-*-openbsd*) machine=sparc ;;
211 vax-*-openbsd*) machine=vax ;;
212 esac
213 ;;
215 ## Acorn RISCiX:
216 arm-acorn-riscix1.1* )
217 machine=acorn opsys=riscix1-1
218 ;;
219 arm-acorn-riscix1.2* | arm-acorn-riscix )
220 ## This name is riscix12 instead of riscix1.2
221 ## to avoid a file name conflict on MSDOS.
222 machine=acorn opsys=riscix12
223 ;;
225 ## BSDI ports
226 *-*-bsdi* )
227 opsys=bsdi
228 case "${canonical}" in
229 i[345]86-*-bsdi*) machine=intel386 ;;
230 sparc-*-bsdi*) machine=sparc ;;
231 powerpc-*-bsdi*) machine=powerpc ;;
232 esac
233 case "${canonical}" in
234 *-*-bsd386* | *-*-bsdi1* ) opsys=bsd386 ;;
235 *-*-bsdi2.0* ) opsys=bsdos2 ;;
236 *-*-bsdi2* ) opsys=bsdos2-1 ;;
237 *-*-bsdi3* ) opsys=bsdos3 ;;
238 *-*-bsdi4* ) opsys=bsdos4 ;;
239 esac
240 ;;
242 ## Alliant machines
243 ## Strictly speaking, we need the version of the alliant operating
244 ## system to choose the right machine file, but currently the
245 ## configuration name doesn't tell us enough to choose the right
246 ## one; we need to give alliants their own operating system name to
247 ## do this right. When someone cares, they can help us.
248 fx80-alliant-* )
249 machine=alliant4 opsys=bsd4-2
250 ;;
251 i860-alliant-* )
252 machine=alliant-2800 opsys=bsd4-3
253 ;;
255 ## Alpha (DEC) machines.
256 alpha*-dec-osf* )
257 machine=alpha opsys=osf1
258 # This is needed to find X11R6.1 libraries for certain tests.
259 NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
260 GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
261 case "${canonical}" in
262 # This is necessary on 5.0 to avoid mangling src/Makefile.
263 # Separated out in case it causes problems on earlier versions.
264 alpha*-dec-osf[5-9]*)
265 opsys=osf5-0
266 NON_GNU_CPP='cpp' ;;
267 esac
268 ;;
270 alpha*-*-linux-gnu* )
271 machine=alpha opsys=gnu-linux
272 ;;
274 arm*-*-linux-gnu* )
275 machine=arm opsys=gnu-linux
276 ;;
278 ppc-*-linux | \
279 powerpc-*-linux* )
280 machine=powerpc opsys=gnu-linux
281 ;;
283 ## Altos 3068
284 m68*-altos-sysv* )
285 machine=altos opsys=usg5-2
286 ;;
288 ## Amdahl UTS
289 580-amdahl-sysv* )
290 machine=amdahl opsys=usg5-2-2
291 ;;
293 ## Apollo, Domain/OS
294 m68*-apollo-* )
295 machine=apollo opsys=bsd4-3
296 ;;
298 ## AT&T 3b2, 3b5, 3b15, 3b20
299 we32k-att-sysv* )
300 machine=att3b opsys=usg5-2-2
301 ;;
303 ## AT&T 3b1 - The Mighty Unix PC!
304 m68*-att-sysv* )
305 machine=7300 opsys=usg5-2-2
306 ;;
308 ## Bull dpx20
309 rs6000-bull-bosx* )
310 machine=ibmrs6000 opsys=aix3-2
311 ;;
313 ## Bull dpx2
314 m68*-bull-sysv3* )
315 machine=dpx2 opsys=usg5-3
316 ;;
318 ## Bull sps7
319 m68*-bull-sysv2* )
320 machine=sps7 opsys=usg5-2
321 ;;
323 ## CCI 5/32, 6/32 -- see "Tahoe".
325 ## Celerity
326 ## I don't know what configuration name to use for this; config.sub
327 ## doesn't seem to know anything about it. Hey, Celerity users, get
328 ## in touch with us!
329 celerity-celerity-bsd* )
330 machine=celerity opsys=bsd4-2
331 ;;
333 ## Clipper
334 ## What operating systems does this chip run that Emacs has been
335 ## tested on?
336 clipper-* )
337 machine=clipper
338 ## We'll use the catch-all code at the bottom to guess the
339 ## operating system.
340 ;;
342 ## Convex
343 *-convex-bsd* | *-convex-convexos* )
344 machine=convex opsys=bsd4-3
345 ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
346 NON_GNU_CPP="cc -E -P"
347 ;;
349 ## Cubix QBx/386
350 i[3456]86-cubix-sysv* )
351 machine=intel386 opsys=usg5-3
352 ;;
354 ## Cydra 5
355 cydra*-cydrome-sysv* )
356 machine=cydra5 opsys=usg5-3
357 ;;
359 ## Data General AViiON Machines
360 ## DG changed naming conventions with the release of 5.4.4.10, they
361 ## dropped the initial 5.4 but left the intervening R. Because of the
362 ## R this shouldn't conflict with older versions of the OS (which I
363 ## think were named like dgux4.*). In addition, DG new AViiONs series
364 ## uses either Motorola M88k or Intel Pentium CPUs.
365 m88k-dg-dguxR4.* | m88k-dg-dgux4* )
366 machine=aviion opsys=dgux4
367 ;;
368 m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
369 ## This name is dgux5-4-3 instead of dgux5-4r3
370 ## to avoid a file name conflict on MSDOS.
371 machine=aviion opsys=dgux5-4-3
372 ;;
373 m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
374 machine=aviion opsys=dgux5-4r2
375 ;;
376 m88k-dg-dgux* )
377 machine=aviion opsys=dgux
378 ;;
380 ## Data General AViiON Intel (x86) Machines
381 ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
382 ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
383 i[345]86-dg-dguxR4* )
384 machine=aviion-intel opsys=dgux4
385 ;;
387 ## DECstations
388 mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
389 machine=pmax opsys=bsd4-2
390 ;;
391 mips-dec-ultrix4.[12]* | mips-dec-bsd* )
392 machine=pmax opsys=bsd4-3
393 ;;
394 mips-dec-ultrix* )
395 machine=pmax opsys=ultrix4-3
396 ;;
397 mips-dec-osf* )
398 machine=pmax opsys=osf1
399 ;;
400 mips-dec-mach_bsd4.3* )
401 machine=pmax opsys=mach-bsd4-3
402 ;;
404 ## Motorola Delta machines
405 m68k-motorola-sysv* | m68000-motorola-sysv* )
406 machine=delta opsys=usg5-3
407 if test -z "`type gnucc | grep 'not found'`"
408 then
409 if test -s /etc/167config
410 then CC="gnucc -m68040"
411 else CC="gnucc -m68881"
412 fi
413 else
414 if test -z "`type gcc | grep 'not found'`"
415 then CC=gcc
416 else CC=cc
417 fi
418 fi
419 ;;
420 m88k-motorola-sysv4* )
421 # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
422 # needs POSIX_SIGNALS and therefore needs usg5-4-2.
423 # I hope there are not other 4.0 versions for this machine
424 # which really need usg5-4 instead.
425 machine=delta88k opsys=usg5-4-2
426 ;;
427 m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
428 machine=delta88k opsys=usg5-3
429 ;;
431 ## Dual machines
432 m68*-dual-sysv* )
433 machine=dual opsys=usg5-2
434 ;;
435 m68*-dual-uniplus* )
436 machine=dual opsys=unipl5-2
437 ;;
439 ## Elxsi 6400
440 elxsi-elxsi-sysv* )
441 machine=elxsi opsys=usg5-2
442 ;;
444 ## Encore machines
445 ns16k-encore-bsd* )
446 machine=ns16000 opsys=umax
447 ;;
449 ## The GEC 93 - apparently, this port isn't really finished yet.
451 ## Gould Power Node and NP1
452 pn-gould-bsd4.2* )
453 machine=gould opsys=bsd4-2
454 ;;
455 pn-gould-bsd4.3* )
456 machine=gould opsys=bsd4-3
457 ;;
458 np1-gould-bsd* )
459 machine=gould-np1 opsys=bsd4-3
460 ;;
462 ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
463 ## as far as Emacs is concerned).
464 m88k-harris-cxux* )
465 # Build needs to be different on 7.0 and later releases
466 case "`uname -r`" in
467 [56].[0-9] ) machine=nh4000 opsys=cxux ;;
468 [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
469 esac
470 NON_GNU_CPP="/lib/cpp"
471 ;;
472 ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
473 m68k-harris-cxux* )
474 machine=nh3000 opsys=cxux
475 ;;
476 ## Harris power pc NightHawk running Power UNIX (Series 6000)
477 powerpc-harris-powerunix )
478 machine=nh6000 opsys=powerunix
479 NON_GNU_CPP="cc -Xo -E -P"
480 ;;
481 ## SR2001/SR2201 running HI-UX/MPP
482 hppa1.1-hitachi-hiuxmpp* )
483 machine=sr2k opsys=hiuxmpp
484 ;;
485 ## Honeywell XPS100
486 xps*-honeywell-sysv* )
487 machine=xps100 opsys=usg5-2
488 ;;
490 ## HP 9000 series 200 or 300
491 m68*-hp-bsd* )
492 machine=hp9000s300 opsys=bsd4-3
493 ;;
494 ## HP/UX 7, 8, 9, and 10 are supported on these machines.
495 m68*-hp-hpux* )
496 case "`uname -r`" in
497 ## Someone's system reports A.B8.05 for this.
498 ## I wonder what other possibilities there are.
499 *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
500 *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
501 *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
502 *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
503 *) machine=hp9000s300 opsys=hpux ;;
504 esac
505 ;;
507 ## HP 9000 series 700 and 800, running HP/UX
508 hppa*-hp-hpux7* )
509 machine=hp800 opsys=hpux
510 ;;
511 hppa*-hp-hpux8* )
512 machine=hp800 opsys=hpux8
513 ;;
514 hppa*-hp-hpux9shr* )
515 machine=hp800 opsys=hpux9shr
516 ;;
517 hppa*-hp-hpux9* )
518 machine=hp800 opsys=hpux9
519 ;;
520 hppa*-hp-hpux1[0-9]* )
521 machine=hp800 opsys=hpux10
522 ;;
524 ## HP 9000 series 700 and 800, running HP/UX
525 hppa*-hp-hpux* )
526 ## Cross-compilation? Nah!
527 case "`uname -r`" in
528 ## Someone's system reports A.B8.05 for this.
529 ## I wonder what other possibilities there are.
530 *.B8.* ) machine=hp800 opsys=hpux8 ;;
531 *.08.* ) machine=hp800 opsys=hpux8 ;;
532 *.09.* ) machine=hp800 opsys=hpux9 ;;
533 *) machine=hp800 opsys=hpux10 ;;
534 esac
535 ;;
536 hppa*-*-nextstep* )
537 machine=hp800 opsys=nextstep
538 ;;
540 ## Orion machines
541 orion-orion-bsd* )
542 machine=orion opsys=bsd4-2
543 ;;
544 clipper-orion-bsd* )
545 machine=orion105 opsys=bsd4-2
546 ;;
548 ## IBM machines
549 i[3456]86-ibm-aix1.1* )
550 machine=ibmps2-aix opsys=usg5-2-2
551 ;;
552 i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
553 machine=ibmps2-aix opsys=usg5-3
554 ;;
555 i370-ibm-aix*)
556 machine=ibm370aix opsys=usg5-3
557 ;;
558 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
559 machine=ibmrs6000 opsys=aix3-1
560 ;;
561 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
562 machine=ibmrs6000 opsys=aix3-2-5
563 ;;
564 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
565 machine=ibmrs6000 opsys=aix4-1
566 ;;
567 rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2* )
568 machine=ibmrs6000 opsys=aix4-2
569 ;;
570 rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0* )
571 machine=ibmrs6000 opsys=aix4
572 ;;
573 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
574 machine=ibmrs6000 opsys=aix4-1
575 ;;
576 rs6000-ibm-aix* | powerpc-ibm-aix* )
577 machine=ibmrs6000 opsys=aix3-2
578 ;;
579 romp-ibm-bsd4.3* )
580 machine=ibmrt opsys=bsd4-3
581 ;;
582 romp-ibm-bsd4.2* )
583 machine=ibmrt opsys=bsd4-2
584 ;;
585 romp-ibm-aos4.3* )
586 machine=ibmrt opsys=bsd4-3
587 ;;
588 romp-ibm-aos4.2* )
589 machine=ibmrt opsys=bsd4-2
590 ;;
591 romp-ibm-aos* )
592 machine=ibmrt opsys=bsd4-3
593 ;;
594 romp-ibm-bsd* )
595 machine=ibmrt opsys=bsd4-3
596 ;;
597 romp-ibm-aix* )
598 machine=ibmrt-aix opsys=usg5-2-2
599 ;;
601 ## Integrated Solutions `Optimum V'
602 m68*-isi-bsd4.2* )
603 machine=isi-ov opsys=bsd4-2
604 ;;
605 m68*-isi-bsd4.3* )
606 machine=isi-ov opsys=bsd4-3
607 ;;
609 ## Intel 386 machines where we do care about the manufacturer
610 i[3456]86-intsys-sysv* )
611 machine=is386 opsys=usg5-2-2
612 ;;
614 ## Prime EXL
615 i[3456]86-prime-sysv* )
616 machine=i386 opsys=usg5-3
617 ;;
619 ## Sequent Symmetry running Dynix
620 i[3456]86-sequent-bsd* )
621 machine=symmetry opsys=bsd4-3
622 ;;
624 ## Sequent Symmetry running ptx 4, which is a modified SVR4.
625 i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
626 machine=sequent-ptx opsys=ptx4
627 NON_GNU_CPP=/lib/cpp
628 ;;
630 ## Sequent Symmetry running DYNIX/ptx
631 ## Use the old cpp rather than the newer ANSI one.
632 i[3456]86-sequent-ptx* )
633 machine=sequent-ptx opsys=ptx
634 NON_GNU_CPP="/lib/cpp"
635 ;;
637 ## ncr machine running svr4.3.
638 i[3456]86-ncr-sysv4.3 )
639 machine=ncr386 opsys=usg5-4-3
640 ;;
642 ## Unspecified sysv on an ncr machine defaults to svr4.2.
643 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
644 i[3456]86-ncr-sysv* )
645 machine=ncr386 opsys=usg5-4-2
646 ;;
648 ## Intel Paragon OSF/1
649 i860-intel-osf1* )
650 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
651 ;;
653 ## Intel 860
654 i860-*-sysv4* )
655 machine=i860 opsys=usg5-4
656 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
657 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
658 ;;
660 ## Macintosh PowerPC
661 powerpc*-*-linux-gnu* )
662 machine=macppc opsys=gnu-linux
663 ;;
665 ## Masscomp machines
666 m68*-masscomp-rtu* )
667 machine=masscomp opsys=rtu
668 ;;
670 ## Megatest machines
671 m68*-megatest-bsd* )
672 machine=mega68 opsys=bsd4-2
673 ;;
675 ## Workstations sold by MIPS
676 ## This is not necessarily all workstations using the MIPS processor -
677 ## Irises are produced by SGI, and DECstations by DEC.
679 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
680 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
681 ## it gives for choosing between the alternatives seems to be "Use
682 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
683 ## the BSD world." I'll assume that these are instructions for
684 ## handling two odd situations, and that every other situation
685 ## should use mips.h and usg5-2-2, they being listed first.
686 mips-mips-usg* )
687 machine=mips4
688 ## Fall through to the general code at the bottom to decide on the OS.
689 ;;
690 mips-mips-riscos4* )
691 machine=mips4 opsys=bsd4-3
692 NON_GNU_CC="cc -systype bsd43"
693 NON_GNU_CPP="cc -systype bsd43 -E"
694 ;;
695 mips-mips-riscos5* )
696 machine=mips4 opsys=riscos5
697 NON_GNU_CC="cc -systype bsd43"
698 NON_GNU_CPP="cc -systype bsd43 -E"
699 ;;
700 mips-mips-bsd* )
701 machine=mips opsys=bsd4-3
702 ;;
703 mips-mips-* )
704 machine=mips opsys=usg5-2-2
705 ;;
707 ## NeXT
708 m68*-next-* | m68k-*-nextstep* )
709 machine=m68k opsys=nextstep
710 ;;
712 ## The complete machine from National Semiconductor
713 ns32k-ns-genix* )
714 machine=ns32000 opsys=usg5-2
715 ;;
717 ## NCR machines
718 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
719 machine=tower32 opsys=usg5-2-2
720 ;;
721 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
722 machine=tower32v3 opsys=usg5-3
723 ;;
725 ## NEC EWS4800
726 mips-nec-sysv4*)
727 machine=ews4800 opsys=ux4800
728 ;;
730 ## Nixdorf Targon 31
731 m68*-nixdorf-sysv* )
732 machine=targon31 opsys=usg5-2-2
733 ;;
735 ## Nu (TI or LMI)
736 m68*-nu-sysv* )
737 machine=nu opsys=usg5-2
738 ;;
740 ## Plexus
741 m68*-plexus-sysv* )
742 machine=plexus opsys=usg5-2
743 ;;
745 ## PowerPC reference platform
746 powerpcle-*-solaris2* )
747 machine=prep
748 opsys=sol2-5
749 ;;
751 ## Pyramid machines
752 ## I don't really have any idea what sort of processor the Pyramid has,
753 ## so I'm assuming it is its own architecture.
754 pyramid-pyramid-bsd* )
755 machine=pyramid opsys=bsd4-2
756 ;;
758 ## Sequent Balance
759 ns32k-sequent-bsd4.2* )
760 machine=sequent opsys=bsd4-2
761 ;;
762 ns32k-sequent-bsd4.3* )
763 machine=sequent opsys=bsd4-3
764 ;;
766 ## Siemens Nixdorf
767 mips-siemens-sysv* | mips-sni-sysv*)
768 machine=mips-siemens opsys=usg5-4
769 NON_GNU_CC=/usr/ccs/bin/cc
770 NON_GNU_CPP=/usr/ccs/lib/cpp
771 ;;
773 ## Silicon Graphics machines
774 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
775 m68*-sgi-iris3.5* )
776 machine=irist opsys=iris3-5
777 ;;
778 m68*-sgi-iris3.6* | m68*-sgi-iris*)
779 machine=irist opsys=iris3-6
780 ;;
781 ## Iris 4D
782 mips-sgi-irix3* )
783 machine=iris4d opsys=irix3-3
784 ;;
785 mips-sgi-irix4* )
786 machine=iris4d opsys=irix4-0
787 ;;
788 mips-sgi-irix6.5 )
789 machine=iris4d opsys=irix6-5
790 # Without defining _LANGUAGE_C, things get masked out in the headers
791 # so that, for instance, grepping for `free' in stdlib.h fails and
792 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
793 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
794 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
795 ;;
796 mips-sgi-irix6* )
797 machine=iris4d opsys=irix6-0
798 # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
799 # but presumably it does no harm.
800 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
801 # -32 probably isn't necessary in later v.6s -- anyone know which?
802 NON_GCC_TEST_OPTIONS=-32
803 ;;
804 mips-sgi-irix5.[01]* )
805 machine=iris4d opsys=irix5-0
806 ;;
807 mips-sgi-irix5* | mips-sgi-irix* )
808 machine=iris4d opsys=irix5-2
809 ;;
811 ## SONY machines
812 m68*-sony-bsd4.2* )
813 machine=news opsys=bsd4-2
814 ;;
815 m68*-sony-bsd4.3* )
816 machine=news opsys=bsd4-3
817 ;;
818 m68*-sony-newsos3* | m68*-sony-news3*)
819 machine=news opsys=bsd4-3
820 ;;
821 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
822 machine=news-risc opsys=bsd4-3
823 ;;
824 mips-sony-newsos6* )
825 machine=news-r6 opsys=newsos6
826 ;;
827 mips-sony-news* )
828 machine=news-risc opsys=newsos5
829 ;;
831 ## Stride
832 m68*-stride-sysv* )
833 machine=stride opsys=usg5-2
834 ;;
836 ## Suns
837 sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
838 machine=sparc opsys=gnu-linux
839 ;;
841 *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
842 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
843 | rs6000-*-solaris2*)
844 case "${canonical}" in
845 m68*-sunos1* ) machine=sun1 ;;
846 m68*-sunos2* ) machine=sun2 ;;
847 m68* ) machine=sun3 ;;
848 i[3456]86-sun-sunos[34]* ) machine=sun386 ;;
849 i[3456]86-*-* ) machine=intel386 ;;
850 powerpcle* ) machine=powerpcle ;;
851 powerpc* | rs6000* ) machine=ibmrs6000 ;;
852 sparc* ) machine=sparc ;;
853 * ) unported=yes ;;
854 esac
855 case "${canonical}" in
856 ## The Sun386 didn't get past 4.0.
857 i[3456]86-*-sunos4 ) opsys=sunos4-0 ;;
858 *-sunos4.0* ) opsys=sunos4-0 ;;
859 *-sunos4.1.[3-9]*noshare )
860 ## This name is sunos413 instead of sunos4-1-3
861 ## to avoid a file name conflict on MSDOS.
862 opsys=sunos413
863 NON_GNU_CPP=/usr/lib/cpp
864 NON_GCC_TEST_OPTIONS=-Bstatic
865 GCC_TEST_OPTIONS=-static
866 ;;
867 *-sunos4.1.[3-9]* | *-sunos4shr*)
868 opsys=sunos4shr
869 NON_GNU_CPP=/usr/lib/cpp
870 ;;
871 *-sunos4* | *-sunos )
872 opsys=sunos4-1
873 NON_GCC_TEST_OPTIONS=-Bstatic
874 GCC_TEST_OPTIONS=-static
875 ;;
876 *-sunos5.3* | *-solaris2.3* )
877 opsys=sol2-3
878 NON_GNU_CPP=/usr/ccs/lib/cpp
879 ;;
880 *-sunos5.4* | *-solaris2.4* )
881 opsys=sol2-4
882 NON_GNU_CPP=/usr/ccs/lib/cpp
883 RANLIB="ar -ts"
884 ;;
885 *-sunos5.5* | *-solaris2.5* )
886 opsys=sol2-5
887 NON_GNU_CPP=/usr/ccs/lib/cpp
888 RANLIB="ar -ts"
889 ;;
890 *-sunos5* | *-solaris* )
891 opsys=sol2-5
892 NON_GNU_CPP=/usr/ccs/lib/cpp
893 ;;
894 * ) opsys=bsd4-2 ;;
895 esac
896 ## Watch out for a compiler that we know will not work.
897 case "${canonical}" in
898 *-solaris* | *-sunos5* )
899 if [ "x$CC" = x/usr/ucb/cc ]; then
900 ## /usr/ucb/cc doesn't work;
901 ## we should find some other compiler that does work.
902 unset CC
903 fi
904 ;;
905 *) ;;
906 esac
907 ;;
908 sparc-*-nextstep* )
909 machine=sparc opsys=nextstep
910 ;;
912 ## Tadpole 68k
913 m68*-tadpole-sysv* )
914 machine=tad68k opsys=usg5-3
915 ;;
917 ## Tahoe machines
918 tahoe-tahoe-bsd4.2* )
919 machine=tahoe opsys=bsd4-2
920 ;;
921 tahoe-tahoe-bsd4.3* )
922 machine=tahoe opsys=bsd4-3
923 ;;
925 ## Tandem Integrity S2
926 mips-tandem-sysv* )
927 machine=tandem-s2 opsys=usg5-3
928 ;;
930 ## Tektronix XD88
931 m88k-tektronix-sysv3* )
932 machine=tekxd88 opsys=usg5-3
933 ;;
935 ## Tektronix 16000 box (6130?)
936 ns16k-tektronix-bsd* )
937 machine=ns16000 opsys=bsd4-2
938 ;;
939 ## Tektronix 4300
940 ## src/m/tek4300.h hints that this is a m68k machine.
941 m68*-tektronix-bsd* )
942 machine=tek4300 opsys=bsd4-3
943 ;;
945 ## Titan P2 or P3
946 ## We seem to have lost the machine-description file titan.h!
947 titan-titan-sysv* )
948 machine=titan opsys=usg5-3
949 ;;
951 ## Ustation E30 (SS5E)
952 m68*-unisys-uniplus* )
953 machine=ustation opsystem=unipl5-2
954 ;;
956 ## Vaxen.
957 vax-dec-* )
958 machine=vax
959 case "${canonical}" in
960 *-bsd4.1* ) opsys=bsd4-1 ;;
961 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
962 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
963 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
964 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
965 *-vms* ) opsys=vms ;;
966 * ) unported=yes
967 esac
968 ;;
970 ## Whitechapel MG1
971 ns16k-whitechapel-* )
972 machine=mg1
973 ## We don't know what sort of OS runs on these; we'll let the
974 ## operating system guessing code below try.
975 ;;
977 ## Wicat
978 m68*-wicat-sysv* )
979 machine=wicat opsys=usg5-2
980 ;;
982 ## Intel 386 machines where we don't care about the manufacturer
983 i[3456]86-*-* )
984 machine=intel386
985 case "${canonical}" in
986 *-lynxos* ) opsys=lynxos ;;
987 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
988 *-isc2.2* ) opsys=isc2-2 ;;
989 *-isc4.0* ) opsys=isc4-0 ;;
990 *-isc4.* ) opsys=isc4-1
991 GCC_TEST_OPTIONS=-posix
992 NON_GCC_TEST_OPTIONS=-Xp
993 ;;
994 *-isc* ) opsys=isc3-0 ;;
995 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
996 *-esix* ) opsys=esix ;;
997 *-xenix* ) opsys=xenix ;;
998 *-linux-gnu* ) opsys=gnu-linux ;;
999 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
1000 *-sco3.2v5* ) opsys=sco5
1001 NON_GNU_CPP=/lib/cpp
1002 # Prevent -belf from being passed to $CPP.
1003 # /lib/cpp does not accept it.
1004 OVERRIDE_CPPFLAGS=" "
1005 ;;
1006 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1007 *-386bsd* ) opsys=386bsd ;;
1008 *-freebsd* ) opsys=freebsd ;;
1009 *-nextstep* ) opsys=nextstep ;;
1010 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1011 esac
1012 ;;
1014 ## m68k Linux-based GNU system
1015 m68k-*-linux-gnu* )
1016 machine=m68k opsys=gnu-linux
1017 ;;
1019 ## Mips Linux-based GNU system
1020 mips-*-linux-gnu* )
1021 machine=mips opsys=gnu-linux
1022 ;;
1024 ## UXP/DS
1025 sparc-fujitsu-sysv4* )
1026 machine=sparc opsys=uxpds
1027 NON_GNU_CPP=/usr/ccs/lib/cpp
1028 RANLIB="ar -ts"
1029 ;;
1031 ## UXP/V
1032 f301-fujitsu-uxpv4.1)
1033 machine=f301 opsys=uxpv
1034 ;;
1036 * )
1037 unported=yes
1038 ;;
1039 esac
1041 ### If the code above didn't choose an operating system, just choose
1042 ### an operating system based on the configuration name. You really
1043 ### only want to use this when you have no idea what the right
1044 ### operating system is; if you know what operating systems a machine
1045 ### runs, it's cleaner to make it explicit in the case statement
1046 ### above.
1047 if test x"${opsys}" = x; then
1048 case "${canonical}" in
1049 *-gnu* ) opsys=gnu ;;
1050 *-bsd4.[01] ) opsys=bsd4-1 ;;
1051 *-bsd4.2 ) opsys=bsd4-2 ;;
1052 *-bsd4.3 ) opsys=bsd4-3 ;;
1053 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
1054 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
1055 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
1056 *-sysv3* | *-sysvr3* ) opsys=usg5-3 ;;
1057 *-sysv4.2uw* ) opsys=unixware ;;
1058 *-sysv4.1* | *-sysvr4.1* )
1059 NON_GNU_CPP=/usr/lib/cpp
1060 opsys=usg5-4 ;;
1061 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1062 if [ x$NON_GNU_CPP = x ]; then
1063 if [ -f /usr/ccs/lib/cpp ]; then
1064 NON_GNU_CPP=/usr/ccs/lib/cpp
1065 else
1066 NON_GNU_CPP=/lib/cpp
1067 fi
1068 fi
1069 opsys=usg5-4-2 ;;
1070 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
1071 * )
1072 unported=yes
1073 ;;
1074 esac
1075 fi
1077 changequote([, ])dnl
1079 if test $unported = yes; then
1080 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1081 Check \`etc/MACHINES' for recognized configuration names.])
1082 fi
1084 machfile="m/${machine}.h"
1085 opsysfile="s/${opsys}.h"
1088 #### Choose a compiler.
1089 test -n "$CC" && cc_specified=yes
1091 # Save the value of CFLAGS that the user specified.
1092 SPECIFIED_CFLAGS="$CFLAGS"
1094 case ${with_gcc} in
1095 "yes" ) CC="gcc" GCC=yes ;;
1096 "no" ) : ${CC=cc} ;;
1097 * ) AC_PROG_CC
1098 esac
1100 # On Suns, sometimes $CPP names a directory.
1101 if test -n "$CPP" && test -d "$CPP"; then
1102 CPP=
1103 fi
1105 #### Some systems specify a CPP to use unless we are using GCC.
1106 #### Now that we know whether we are using GCC, we can decide whether
1107 #### to use that one.
1108 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1109 then
1110 CPP="$NON_GNU_CPP"
1111 fi
1113 #### Some systems specify a CC to use unless we are using GCC.
1114 #### Now that we know whether we are using GCC, we can decide whether
1115 #### to use that one.
1116 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1117 test x$cc_specified != xyes
1118 then
1119 CC="$NON_GNU_CC"
1120 fi
1122 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1123 then
1124 CC="$CC $GCC_TEST_OPTIONS"
1125 fi
1127 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1128 then
1129 CC="$CC $NON_GCC_TEST_OPTIONS"
1130 fi
1132 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1133 then
1134 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1135 fi
1137 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1138 then
1139 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1140 fi
1142 #### Some other nice autoconf tests. If you add a test here which
1143 #### should make an entry in src/config.h, don't forget to add an
1144 #### #undef clause to src/config.h.in for autoconf to modify.
1146 dnl checks for programs
1147 AC_PROG_LN_S
1148 AC_PROG_CPP
1149 AC_PROG_INSTALL
1150 AC_PROG_YACC
1151 if test "x$RANLIB" = x; then
1152 AC_PROG_RANLIB
1153 fi
1155 dnl checks for Unix variants
1156 AC_AIX
1158 # Sound support for GNU/Linux and the free BSDs.
1159 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1161 dnl checks for header files
1162 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1163 linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1164 termcap.h stdio_ext.h fcntl.h term.h)
1165 AC_HEADER_STDC
1166 AC_HEADER_TIME
1167 AC_DECL_SYS_SIGLIST
1169 dnl Some systems have utime.h but don't declare the struct anyplace.
1170 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1171 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1172 #include <sys/time.h>
1173 #include <time.h>
1174 #else
1175 #ifdef HAVE_SYS_TIME_H
1176 #include <sys/time.h>
1177 #else
1178 #include <time.h>
1179 #endif
1180 #endif
1181 #ifdef HAVE_UTIME_H
1182 #include <utime.h>
1183 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1184 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1185 if test $emacs_cv_struct_utimbuf = yes; then
1186 AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1187 fi
1189 dnl checks for typedefs
1190 AC_TYPE_SIGNAL
1192 dnl Check for speed_t typedef.
1193 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1194 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1195 emacs_cv_speed_t=yes))
1196 if test $emacs_cv_speed_t = yes; then
1197 AC_DEFINE(HAVE_SPEED_T)
1198 fi
1200 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1201 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1202 #include <sys/time.h>
1203 #include <time.h>
1204 #else
1205 #ifdef HAVE_SYS_TIME_H
1206 #include <sys/time.h>
1207 #else
1208 #include <time.h>
1209 #endif
1210 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1211 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1212 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1213 if test $emacs_cv_struct_timeval = yes; then
1214 AC_DEFINE(HAVE_TIMEVAL)
1215 fi
1217 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1218 AC_TRY_COMPILE([#include <math.h>],
1219 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1220 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1221 HAVE_EXCEPTION=$emacs_cv_struct_exception
1222 if test $emacs_cv_struct_exception != yes; then
1223 AC_DEFINE(NO_MATHERR)
1224 fi
1226 dnl checks for structure members
1227 AC_STRUCT_TM
1228 AC_STRUCT_TIMEZONE
1229 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1230 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1231 emacs_cv_tm_gmtoff=yes,
1232 emacs_cv_tm_gmtoff=no))
1233 if test $emacs_cv_tm_gmtoff = yes; then
1234 AC_DEFINE(HAVE_TM_GMTOFF)
1235 fi
1237 dnl checks for compiler characteristics
1239 dnl Testing __STDC__ to determine prototype support isn't good enough.
1240 dnl DEC C, for instance, doesn't define it with default options, and
1241 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1242 dnl and void *.
1243 AC_C_PROTOTYPES
1244 AC_C_VOLATILE
1245 AC_C_CONST
1246 dnl This isn't useful because we can't turn on use of `inline' unless
1247 dnl the compiler groks `extern inline'.
1248 dnl AC_C_INLINE
1249 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1250 [AC_TRY_COMPILE(, [void * foo;],
1251 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1252 if test $emacs_cv_void_star = yes; then
1253 AC_DEFINE(POINTER_TYPE, void)
1254 else
1255 AC_DEFINE(POINTER_TYPE, char)
1256 fi
1258 dnl check for Make feature
1259 AC_PROG_MAKE_SET
1261 dnl checks for operating system services
1262 AC_SYS_LONG_FILE_NAMES
1264 #### Choose a window system.
1266 AC_PATH_X
1267 if test "$no_x" = yes; then
1268 window_system=none
1269 else
1270 window_system=x11
1271 fi
1273 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1274 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1275 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1276 x_default_search_path=""
1277 for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1278 x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1279 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1280 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1281 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1282 if test x"${x_default_search_path}" = x; then
1283 x_default_search_path=${x_search_path}
1284 else
1285 x_default_search_path="${x_search_path}:${x_default_search_path}"
1286 fi
1287 done
1288 fi
1289 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1290 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1291 fi
1293 if test x"${x_includes}" = x; then
1294 bitmapdir=/usr/include/X11/bitmaps
1295 else
1296 # accumulate include directories that have X11 bitmap subdirectories
1297 bmd_acc="dummyval"
1298 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1299 if test -d "${bmd}/X11/bitmaps"; then
1300 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1301 fi
1302 if test -d "${bmd}/bitmaps"; then
1303 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1304 fi
1305 done
1306 if test ${bmd_acc} != "dummyval"; then
1307 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1308 fi
1309 fi
1311 case "${window_system}" in
1312 x11 )
1313 HAVE_X_WINDOWS=yes
1314 HAVE_X11=yes
1315 case "${with_x_toolkit}" in
1316 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1317 motif ) USE_X_TOOLKIT=MOTIF ;;
1318 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1319 no ) USE_X_TOOLKIT=none ;;
1320 dnl If user did not say whether to use a toolkit,
1321 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1322 * ) USE_X_TOOLKIT=maybe ;;
1323 esac
1324 ;;
1325 none )
1326 HAVE_X_WINDOWS=no
1327 HAVE_X11=no
1328 USE_X_TOOLKIT=none
1329 ;;
1330 esac
1332 ### If we're using X11, we should use the X menu package.
1333 HAVE_MENUS=no
1334 case ${HAVE_X11} in
1335 yes ) HAVE_MENUS=yes ;;
1336 esac
1338 if test "${opsys}" = "hpux9"; then
1339 case "${x_libraries}" in
1340 *X11R4* )
1341 opsysfile="s/hpux9-x11r4.h"
1342 ;;
1343 esac
1344 fi
1346 if test "${opsys}" = "hpux9shr"; then
1347 case "${x_libraries}" in
1348 *X11R4* )
1349 opsysfile="s/hpux9shxr4.h"
1350 ;;
1351 esac
1352 fi
1354 #### Extract some information from the operating system and machine files.
1356 AC_CHECKING([the machine- and system-dependent files to find out
1357 - which libraries the lib-src programs will want, and
1358 - whether the GNU malloc routines are usable])
1360 ### First figure out CFLAGS (which we use for running the compiler here)
1361 ### and REAL_CFLAGS (which we use for real compilation).
1362 ### The two are the same except on a few systems, where they are made
1363 ### different to work around various lossages. For example,
1364 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1365 ### as implying static linking.
1367 ### If the CFLAGS env var is specified, we use that value
1368 ### instead of the default.
1370 ### It's not important that this name contain the PID; you can't run
1371 ### two configures in the same directory and have anything work
1372 ### anyway.
1373 tempcname="conftest.c"
1375 echo '
1376 #include "'${srcdir}'/src/'${opsysfile}'"
1377 #include "'${srcdir}'/src/'${machfile}'"
1378 #ifndef LIBS_MACHINE
1379 #define LIBS_MACHINE
1380 #endif
1381 #ifndef LIBS_SYSTEM
1382 #define LIBS_SYSTEM
1383 #endif
1384 #ifndef C_SWITCH_SYSTEM
1385 #define C_SWITCH_SYSTEM
1386 #endif
1387 #ifndef C_SWITCH_MACHINE
1388 #define C_SWITCH_MACHINE
1389 #endif
1390 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1391 configure___ c_switch_system=C_SWITCH_SYSTEM
1392 configure___ c_switch_machine=C_SWITCH_MACHINE
1394 #ifndef LIB_X11_LIB
1395 #define LIB_X11_LIB -lX11
1396 #endif
1398 #ifndef LIBX11_MACHINE
1399 #define LIBX11_MACHINE
1400 #endif
1402 #ifndef LIBX11_SYSTEM
1403 #define LIBX11_SYSTEM
1404 #endif
1405 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1407 #ifdef UNEXEC
1408 configure___ unexec=UNEXEC
1409 #else
1410 configure___ unexec=unexec.o
1411 #endif
1413 #ifdef SYSTEM_MALLOC
1414 configure___ system_malloc=yes
1415 #else
1416 configure___ system_malloc=no
1417 #endif
1419 #ifndef C_DEBUG_SWITCH
1420 #define C_DEBUG_SWITCH -g
1421 #endif
1423 #ifndef C_OPTIMIZE_SWITCH
1424 #ifdef __GNUC__
1425 #define C_OPTIMIZE_SWITCH -O2
1426 #else
1427 #define C_OPTIMIZE_SWITCH -O
1428 #endif
1429 #endif
1431 #ifndef LD_SWITCH_MACHINE
1432 #define LD_SWITCH_MACHINE
1433 #endif
1435 #ifndef LD_SWITCH_SYSTEM
1436 #define LD_SWITCH_SYSTEM
1437 #endif
1439 #ifndef LD_SWITCH_X_SITE_AUX
1440 #define LD_SWITCH_X_SITE_AUX
1441 #endif
1443 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1444 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1446 #ifdef THIS_IS_CONFIGURE
1448 /* Get the CFLAGS for tests in configure. */
1449 #ifdef __GNUC__
1450 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1451 #else
1452 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1453 #endif
1455 #else /* not THIS_IS_CONFIGURE */
1457 /* Get the CFLAGS for real compilation. */
1458 #ifdef __GNUC__
1459 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1460 #else
1461 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1462 #endif
1464 #endif /* not THIS_IS_CONFIGURE */
1465 ' > ${tempcname}
1467 # The value of CPP is a quoted variable reference, so we need to do this
1468 # to get its actual value...
1469 CPP=`eval "echo $CPP"`
1470 changequote(, )dnl
1471 eval `${CPP} -Isrc ${tempcname} \
1472 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1473 if test "x$SPECIFIED_CFLAGS" = x; then
1474 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1475 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1476 else
1477 REAL_CFLAGS="$CFLAGS"
1478 fi
1479 changequote([, ])dnl
1480 rm ${tempcname}
1482 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1484 ### Compute the unexec source name from the object name.
1485 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1487 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1488 # Assume not, until told otherwise.
1489 GNU_MALLOC=yes
1490 doug_lea_malloc=yes
1491 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1492 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1493 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1494 emacs_cv_var___after_morecore_hook,
1495 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1496 emacs_cv_var___after_morecore_hook=yes,
1497 emacs_cv_var___after_morecore_hook=no))
1498 if test $emacs_cv_var___after_morecore_hook = no; then
1499 doug_lea_malloc=no
1500 fi
1501 if test "${system_malloc}" = "yes"; then
1502 GNU_MALLOC=no
1503 GNU_MALLOC_reason="
1504 (The GNU allocators don't work with this system configuration.)"
1505 fi
1506 if test "$doug_lea_malloc" = "yes" ; then
1507 if test "$GNU_MALLOC" = yes ; then
1508 GNU_MALLOC_reason="
1509 (Using Doug Lea's new malloc from the GNU C Library.)"
1510 fi
1511 AC_DEFINE(DOUG_LEA_MALLOC)
1512 fi
1514 if test x"${REL_ALLOC}" = x; then
1515 REL_ALLOC=${GNU_MALLOC}
1516 fi
1518 #### Add the libraries to LIBS and check for some functions.
1520 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1521 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1522 else
1523 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1524 fi
1526 LIBS="$libsrc_libs $LIBS"
1528 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1529 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1530 AC_CHECK_LIB(dnet, dnet_ntoa)
1531 dnl This causes -lresolv to get used in subsequent tests,
1532 dnl which causes failures on some systems such as HPUX 9.
1533 dnl AC_CHECK_LIB(resolv, gethostbyname)
1535 dnl FIXME replace main with a function we actually want from this library.
1536 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1538 AC_CHECK_LIB(pthreads, cma_open)
1540 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1541 if test -d /usr/X386/include; then
1542 HAVE_XFREE386=yes
1543 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1544 else
1545 HAVE_XFREE386=no
1546 fi
1547 AC_MSG_RESULT($HAVE_XFREE386)
1549 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1550 # for the tests that follow. We set it back to REAL_CFLAGS later on.
1552 REAL_CPPFLAGS="$CPPFLAGS"
1554 if test "${HAVE_X11}" = "yes"; then
1555 DEFS="$C_SWITCH_X_SITE $DEFS"
1556 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1557 LIBS="$LIBX $LIBS"
1558 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1559 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1561 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1562 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1563 # but it's more convenient here to set LD_RUN_PATH
1564 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1565 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1566 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1567 export LD_RUN_PATH
1568 fi
1570 if test "${opsys}" = "gnu-linux"; then
1571 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1572 AC_TRY_LINK([],
1573 [XOpenDisplay ("foo");],
1574 [xlinux_first_failure=no],
1575 [xlinux_first_failure=yes])
1576 if test "${xlinux_first_failure}" = "yes"; then
1577 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1578 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1579 OLD_CPPFLAGS="$CPPFLAGS"
1580 OLD_LIBS="$LIBS"
1581 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1582 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1583 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1584 LIBS="$LIBS -b i486-linuxaout"
1585 AC_TRY_LINK([],
1586 [XOpenDisplay ("foo");],
1587 [xlinux_second_failure=no],
1588 [xlinux_second_failure=yes])
1589 if test "${xlinux_second_failure}" = "yes"; then
1590 # If we get the same failure with -b, there is no use adding -b.
1591 # So take it out. This plays safe.
1592 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1593 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1594 CPPFLAGS="$OLD_CPPFLAGS"
1595 LIBS="$OLD_LIBS"
1596 AC_MSG_RESULT(no)
1597 else
1598 AC_MSG_RESULT(yes)
1599 fi
1600 else
1601 AC_MSG_RESULT(no)
1602 fi
1603 fi
1605 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1606 XScreenNumberOfScreen XSetWMProtocols)
1607 fi
1609 if test "${window_system}" = "x11"; then
1610 AC_MSG_CHECKING(X11 version 6)
1611 AC_CACHE_VAL(emacs_cv_x11_version_6,
1612 AC_TRY_LINK([#include <X11/Xlib.h>],
1613 [#if XlibSpecificationRelease < 6
1614 fail;
1615 #endif
1616 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1617 if test $emacs_cv_x11_version_6 = yes; then
1618 AC_MSG_RESULT(6 or newer)
1619 AC_DEFINE(HAVE_X11R6)
1620 else
1621 AC_MSG_RESULT(before 6)
1622 fi
1623 fi
1625 if test "${window_system}" = "x11"; then
1626 AC_MSG_CHECKING(X11 version 5)
1627 AC_CACHE_VAL(emacs_cv_x11_version_5,
1628 AC_TRY_LINK([#include <X11/Xlib.h>],
1629 [#if XlibSpecificationRelease < 5
1630 fail;
1631 #endif
1632 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1633 if test $emacs_cv_x11_version_5 = yes; then
1634 AC_MSG_RESULT(5 or newer)
1635 HAVE_X11R5=yes
1636 AC_DEFINE(HAVE_X11R5)
1637 else
1638 HAVE_X11R5=no
1639 AC_MSG_RESULT(before 5)
1640 fi
1641 fi
1643 dnl Do not put whitespace before the #include statements below.
1644 dnl Older compilers (eg sunos4 cc) choke on it.
1645 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1646 if test x"${HAVE_X11R5}" = xyes; then
1647 AC_MSG_CHECKING(X11 version 5 with Xaw)
1648 AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1649 AC_TRY_LINK([
1650 #include <X11/Intrinsic.h>
1651 #include <X11/Xaw/Simple.h>],
1652 [],
1653 emacs_cv_x11_version_5_with_xaw=yes,
1654 emacs_cv_x11_version_5_with_xaw=no))
1655 if test $emacs_cv_x11_version_5_with_xaw = yes; then
1656 AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1657 USE_X_TOOLKIT=LUCID
1658 else
1659 AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1660 USE_X_TOOLKIT=none
1661 fi
1662 else
1663 USE_X_TOOLKIT=none
1664 fi
1665 fi
1667 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1669 if test "${USE_X_TOOLKIT}" != "none"; then
1670 AC_MSG_CHECKING(X11 toolkit version)
1671 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1672 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1673 [#if XtSpecificationRelease < 6
1674 fail;
1675 #endif
1676 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1677 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1678 if test $emacs_cv_x11_toolkit_version_6 = yes; then
1679 AC_MSG_RESULT(6 or newer)
1680 AC_DEFINE(HAVE_X11XTR6)
1681 else
1682 AC_MSG_RESULT(before 6)
1683 fi
1685 dnl If using toolkit, check whether libXmu.a exists.
1686 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1687 OLDLIBS="$LIBS"
1688 if test x$HAVE_X11XTR6 = xyes; then
1689 LIBS="-lXt -lSM -lICE $LIBS"
1690 else
1691 LIBS="-lXt $LIBS"
1692 fi
1693 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1694 LIBS="$OLDLIBS"
1695 fi
1697 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1698 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1699 AC_TRY_COMPILE([#include <Xm/Xm.h>],
1700 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1701 int x = 5;
1702 #else
1703 Motif version prior to 2.1.
1704 #endif],
1705 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1706 HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1707 if test $emacs_cv_motif_version_2_1 = yes; then
1708 AC_DEFINE(HAVE_MOTIF_2_1)
1709 AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes, , -lXext)
1710 if test ${HAVE_LIBXP} = yes; then
1711 AC_DEFINE(HAVE_LIBXP)
1712 fi
1713 fi
1714 fi
1716 ### Is -lXaw3d available?
1717 HAVE_XAW3D=no
1718 if test "${HAVE_X11}" = "yes"; then
1719 if test "${USE_X_TOOLKIT}" != "none"; then
1720 old_c_flags="${CFLAGS}"
1721 CFLAGS="${LD_SWITCH_X_SITE}"
1722 AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1723 AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1724 CFLAGS="${old_c_flags}"
1726 if test "${HAVE_XAW3D}" = "yes"; then
1727 AC_DEFINE(HAVE_XAW3D)
1728 fi
1729 fi
1730 fi
1732 dnl Use toolkit scroll bars if configured for X toolkit and either
1733 dnl using Motif or Xaw3d is available, and unless
1734 dnl --with-toolkit-scroll-bars=no was specified.
1736 USE_TOOLKIT_SCROLL_BARS=no
1737 if test "${with_toolkit_scroll_bars}" != "no"; then
1738 if test "${USE_X_TOOLKIT}" != "none"; then
1739 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1740 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1741 HAVE_XAW3D=no
1742 USE_TOOLKIT_SCROLL_BARS=yes
1743 elif test "${HAVE_XAW3D}" = "yes"; then
1744 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1745 USE_TOOLKIT_SCROLL_BARS=yes
1746 fi
1747 fi
1748 fi
1750 dnl Don't use X11 input methods if user specifies he doesn't want it
1751 dnl with `--with-xim=no'.
1753 if test "${with_xim}" != "no"; then
1754 AC_DEFINE(USE_XIM)
1755 fi
1757 ### Use -lXpm if available, unless `--with-xpm=no'.
1758 HAVE_XPM=no
1759 if test "${HAVE_X11}" = "yes"; then
1760 if test "${with_xpm}" != "no"; then
1761 old_c_flags="${CFLAGS}"
1762 CFLAGS="${LD_SWITCH_X_SITE}"
1763 AC_CHECK_HEADER(X11/xpm.h,
1764 AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1765 CFLAGS="${old_c_flags}"
1766 fi
1768 if test "${HAVE_XPM}" = "yes"; then
1769 AC_DEFINE(HAVE_XPM)
1770 fi
1771 fi
1773 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1774 HAVE_JPEG=no
1775 if test "${HAVE_X11}" = "yes"; then
1776 if test "${with_jpeg}" != "no"; then
1777 old_c_flags="${CFLAGS}"
1778 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1779 dnl Checking for jpeglib.h can lose becsue of a redefinition of
1780 dnl HAVE_STDLIB_H.
1781 AC_CHECK_HEADER(jerror.h,
1782 AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
1783 CFLAGS="${old_c_flags}"
1784 fi
1786 if test "${HAVE_JPEG}" = "yes"; then
1787 AC_DEFINE(HAVE_JPEG)
1788 fi
1789 fi
1791 ### Use -lpng if available, unless `--with-png=no'.
1792 HAVE_PNG=no
1793 if test "${HAVE_X11}" = "yes"; then
1794 if test "${with_png}" != "no"; then
1795 old_c_flags="${CFLAGS}"
1796 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1797 AC_CHECK_HEADER(png.h,
1798 AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1799 CFLAGS="${old_c_flags}"
1800 fi
1802 if test "${HAVE_PNG}" = "yes"; then
1803 AC_DEFINE(HAVE_PNG)
1804 fi
1805 fi
1807 ### Use -ltiff if available, unless `--with-tiff=no'.
1808 HAVE_TIFF=no
1809 if test "${HAVE_X11}" = "yes"; then
1810 if test "${with_tiff}" != "no"; then
1811 old_c_flags="${CFLAGS}"
1812 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1813 AC_CHECK_HEADER(tiffio.h,
1814 tifflibs="-lX11 -lz -lm"
1815 # At least one tiff package requires the jpeg library.
1816 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1817 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1818 CFLAGS="${old_c_flags}"
1819 fi
1821 if test "${HAVE_TIFF}" = "yes"; then
1822 AC_DEFINE(HAVE_TIFF)
1823 fi
1824 fi
1826 ### Use -lgif if available, unless `--with-gif=no'.
1827 HAVE_GIF=no
1828 if test "${HAVE_X11}" = "yes"; then
1829 if test "${with_gif}" != "no"; then
1830 old_c_flags="${CFLAGS}"
1831 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1832 AC_CHECK_HEADER(gif_lib.h,
1833 AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes, , -lX11))
1834 CFLAGS="${old_c_flags}"
1835 fi
1837 if test "${HAVE_GIF}" = "yes"; then
1838 AC_DEFINE(HAVE_GIF)
1839 fi
1840 fi
1842 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1843 AC_CACHE_CHECK(whether netdb declares h_errno,
1844 emacs_cv_netdb_declares_h_errno,
1845 AC_TRY_LINK([#include <netdb.h>],
1846 [return h_errno;],
1847 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1848 if test $emacs_cv_netdb_declares_h_errno = yes; then
1849 AC_DEFINE(HAVE_H_ERRNO)
1850 fi
1852 AC_FUNC_ALLOCA
1854 # fmod, logb, and frexp are found in -lm on most systems.
1855 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1856 AC_CHECK_LIB(m, sqrt)
1858 # Check for mail-locking functions in a "mail" library
1859 AC_CHECK_LIB(mail, maillock)
1860 dnl Debian, at least:
1861 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1862 AC_CHECK_LIB(lockfile, maillock)
1863 # If we have the shared liblockfile, assume we must use it for mail
1864 # locking (e.g. Debian). If we couldn't link against liblockfile
1865 # (no liblockfile.a installed), ensure that we don't need to.
1866 if test "$ac_cv_lib_lockfile_maillock" = no; then
1867 dnl This works for files generally, not just executables.
1868 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
1869 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1870 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1871 if test $ac_cv_prog_liblockfile = yes; then
1872 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1873 This probably means that movemail could lose mail.
1874 There may be a \`development' package to install containing liblockfile.])
1875 else AC_DEFINE(LIBMAIL, -llockfile)
1876 fi
1877 else :
1878 fi
1879 AC_CHECK_FUNCS(touchlock)
1880 AC_CHECK_HEADERS(maillock.h)
1882 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1883 rename closedir mkdir rmdir sysinfo \
1884 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1885 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1886 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1887 __fpending mblen mbrlen strsignal setitimer ualarm)
1889 AC_FUNC_MKTIME
1890 if test "$ac_cv_func_working_mktime" = no; then
1891 AC_DEFINE(BROKEN_MKTIME)
1892 fi
1894 AC_FUNC_GETLOADAVG
1896 AC_SYS_LARGEFILE
1897 AC_CHECK_FUNCS(ftello)
1899 # UNIX98 PTYs. AC_SYS_LARGEFILE should have defined _XOPEN_SOURCE
1900 # if we need it.
1901 AC_CHECK_FUNCS(grantpt)
1903 # PTY-related GNU extensions.
1904 AC_CHECK_FUNCS(getpt)
1906 # Check this now, so that we will NOT find the above functions in ncurses.
1907 # That is because we have not set up to link ncurses in lib-src.
1908 # It's better to believe a function is not available
1909 # than to expect to find it in ncurses.
1910 AC_CHECK_LIB(ncurses, tparm)
1912 # These tell us which Kerberos-related libraries to use.
1913 if test "${with_kerberos+set}" = set; then
1914 AC_CHECK_LIB(com_err, com_err)
1915 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1916 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1917 AC_CHECK_LIB(krb5, krb5_init_context)
1918 if test "${with_kerberos5+set}" != set; then
1919 AC_CHECK_LIB(des425, des_cbc_encrypt,,
1920 AC_CHECK_LIB(des, des_cbc_encrypt))
1921 AC_CHECK_LIB(krb4, krb_get_cred,,
1922 AC_CHECK_LIB(krb, krb_get_cred))
1923 fi
1925 if test "${with_kerberos5+set}" = set; then
1926 AC_CHECK_HEADERS(krb5.h)
1927 else
1928 AC_CHECK_HEADERS(des.h,,
1929 AC_CHECK_HEADERS(kerberosIV/des.h,,
1930 AC_CHECK_HEADERS(kerberos/des.h)))
1931 AC_CHECK_HEADERS(krb.h,,
1932 AC_CHECK_HEADERS(kerberosIV/krb.h,,
1933 AC_CHECK_HEADERS(kerberos/krb.h)))
1934 fi
1935 AC_CHECK_HEADERS(com_err.h)
1936 fi
1938 # Solaris requires -lintl if you want strerror (which calls dgettext)
1939 # to return localized messages.
1940 AC_CHECK_LIB(intl, dgettext)
1942 AC_MSG_CHECKING(whether localtime caches TZ)
1943 AC_CACHE_VAL(emacs_cv_localtime_cache,
1944 [if test x$ac_cv_func_tzset = xyes; then
1945 AC_TRY_RUN([#include <time.h>
1946 extern char **environ;
1947 unset_TZ ()
1948 {
1949 char **from, **to;
1950 for (to = from = environ; (*to = *from); from++)
1951 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1952 to++;
1953 }
1954 char TZ_GMT0[] = "TZ=GMT0";
1955 char TZ_PST8[] = "TZ=PST8";
1956 main()
1957 {
1958 time_t now = time ((time_t *) 0);
1959 int hour_GMT0, hour_unset;
1960 if (putenv (TZ_GMT0) != 0)
1961 exit (1);
1962 hour_GMT0 = localtime (&now)->tm_hour;
1963 unset_TZ ();
1964 hour_unset = localtime (&now)->tm_hour;
1965 if (putenv (TZ_PST8) != 0)
1966 exit (1);
1967 if (localtime (&now)->tm_hour == hour_GMT0)
1968 exit (1);
1969 unset_TZ ();
1970 if (localtime (&now)->tm_hour != hour_unset)
1971 exit (1);
1972 exit (0);
1973 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1974 [# If we have tzset, assume the worst when cross-compiling.
1975 emacs_cv_localtime_cache=yes])
1976 else
1977 # If we lack tzset, report that localtime does not cache TZ,
1978 # since we can't invalidate the cache if we don't have tzset.
1979 emacs_cv_localtime_cache=no
1980 fi])dnl
1981 AC_MSG_RESULT($emacs_cv_localtime_cache)
1982 if test $emacs_cv_localtime_cache = yes; then
1983 AC_DEFINE(LOCALTIME_CACHE)
1984 fi
1986 if test "x$HAVE_TIMEVAL" = xyes; then
1987 AC_CHECK_FUNCS(gettimeofday)
1988 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1989 emacs_cv_gettimeofday_two_arguments,
1990 AC_TRY_COMPILE([
1991 #ifdef TIME_WITH_SYS_TIME
1992 #include <sys/time.h>
1993 #include <time.h>
1994 #else
1995 #ifdef HAVE_SYS_TIME_H
1996 #include <sys/time.h>
1997 #else
1998 #include <time.h>
1999 #endif
2000 #endif],
2001 [struct timeval time;
2002 gettimeofday (&time, 0);],
2003 emacs_cv_gettimeofday_two_arguments=yes,
2004 emacs_cv_gettimeofday_two_arguments=no))
2005 if test $emacs_cv_gettimeofday_two_arguments = no; then
2006 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2007 fi
2008 fi
2010 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2011 if test "$ac_cv_func_gettimeofday" = yes; then
2012 AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2013 [AC_TRY_COMPILE([#include <sys/time.h>],
2014 [struct timezone tz;],
2015 dnl It may be that we can't call gettimeofday with a non-null pointer,
2016 dnl even though we have struct timezone (e.g. HPUX). In that case
2017 dnl we'll lie about struct timezone.
2018 [AC_TRY_RUN([
2019 #ifdef TIME_WITH_SYS_TIME
2020 #include <sys/time.h>
2021 #include <time.h>
2022 #else
2023 #ifdef HAVE_SYS_TIME_H
2024 #include <sys/time.h>
2025 #else
2026 #include <time.h>
2027 #endif
2028 #endif
2029 main () {
2030 struct timeval time;
2031 struct timezone dummy;
2032 exit (gettimeofday (&time, &dummy));
2033 }],
2034 emacs_cv_struct_timezone=yes,
2035 emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2036 emacs_cv_struct_timezone=no)])
2037 fi
2039 ok_so_far=yes
2040 AC_CHECK_FUNC(socket, , ok_so_far=no)
2041 if test $ok_so_far = yes; then
2042 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2043 fi
2044 if test $ok_so_far = yes; then
2045 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2046 fi
2047 if test $ok_so_far = yes; then
2048 AC_DEFINE(HAVE_INET_SOCKETS)
2049 fi
2051 if test -f /usr/lpp/X11/bin/smt.exp; then
2052 AC_DEFINE(HAVE_AIX_SMT_EXP)
2053 fi
2055 AC_MSG_CHECKING(whether system supports dynamic ptys)
2056 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2057 AC_MSG_RESULT(yes)
2058 AC_DEFINE(HAVE_DEV_PTMX)
2059 else
2060 AC_MSG_RESULT(no)
2061 fi
2063 AC_FUNC_VFORK
2065 # Set up the CFLAGS for real compilation, so we can substitute it.
2066 CFLAGS="$REAL_CFLAGS"
2067 CPPFLAGS="$REAL_CPPFLAGS"
2069 changequote(, )dnl
2070 #### Find out which version of Emacs this is.
2071 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
2072 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2073 changequote([, ])dnl
2074 if test x"${version}" = x; then
2075 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2076 fi
2078 ### Specify what sort of things we'll be editing into Makefile and config.h.
2079 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2080 AC_SUBST(version)
2081 AC_SUBST(configuration)
2082 AC_SUBST(canonical)
2083 AC_SUBST(srcdir)
2084 AC_SUBST(prefix)
2085 AC_SUBST(exec_prefix)
2086 AC_SUBST(bindir)
2087 AC_SUBST(datadir)
2088 AC_SUBST(sharedstatedir)
2089 AC_SUBST(libexecdir)
2090 AC_SUBST(mandir)
2091 AC_SUBST(infodir)
2092 AC_SUBST(lispdir)
2093 AC_SUBST(locallisppath)
2094 AC_SUBST(lisppath)
2095 AC_SUBST(x_default_search_path)
2096 AC_SUBST(etcdir)
2097 AC_SUBST(archlibdir)
2098 AC_SUBST(docdir)
2099 AC_SUBST(bitmapdir)
2100 AC_SUBST(c_switch_system)
2101 AC_SUBST(c_switch_machine)
2102 AC_SUBST(LD_SWITCH_X_SITE)
2103 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2104 AC_SUBST(C_SWITCH_X_SITE)
2105 AC_SUBST(CFLAGS)
2106 AC_SUBST(X_TOOLKIT_TYPE)
2107 AC_SUBST(machfile)
2108 AC_SUBST(opsysfile)
2109 AC_SUBST(GETLOADAVG_LIBS)
2111 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
2112 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2113 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
2114 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2115 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2116 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2117 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
2118 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
2120 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2121 AC_DEFINE(HAVE_X_WINDOWS)
2122 fi
2123 if test "${USE_X_TOOLKIT}" != "none" ; then
2124 AC_DEFINE(USE_X_TOOLKIT)
2125 fi
2126 if test "${HAVE_X11}" = "yes" ; then
2127 AC_DEFINE(HAVE_X11)
2128 fi
2129 if test "${HAVE_XFREE386}" = "yes" ; then
2130 AC_DEFINE(HAVE_XFREE386)
2131 fi
2132 if test "${HAVE_MENUS}" = "yes" ; then
2133 AC_DEFINE(HAVE_MENUS)
2134 fi
2135 if test "${GNU_MALLOC}" = "yes" ; then
2136 AC_DEFINE(GNU_MALLOC)
2137 fi
2138 if test "${REL_ALLOC}" = "yes" ; then
2139 AC_DEFINE(REL_ALLOC)
2140 fi
2142 #### Report on what we decided to do.
2143 echo "
2144 Configured for \`${canonical}'.
2146 Where should the build process find the source code? ${srcdir}
2147 What operating system and machine description files should Emacs use?
2148 \`${opsysfile}' and \`${machfile}'
2149 What compiler should emacs be built with? ${CC} ${CFLAGS}
2150 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
2151 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
2152 What window system should Emacs use? ${window_system}
2153 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
2155 if test -n "${x_includes}"; then
2156 echo " Where do we find X Windows header files? ${x_includes}"
2157 else
2158 echo " Where do we find X Windows header files? Standard dirs"
2159 fi
2160 if test -n "${x_libraries}"; then
2161 echo " Where do we find X Windows libraries? ${x_libraries}"
2162 else
2163 echo " Where do we find X Windows libraries? Standard dirs"
2164 fi
2166 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
2167 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
2168 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
2169 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
2170 echo " Does Emacs use -lungif? ${HAVE_GIF}"
2171 echo " Does Emacs use -lpng? ${HAVE_PNG}"
2172 echo " Does Emacs use X toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
2173 echo
2175 # Remove any trailing slashes in these variables.
2176 changequote(, )dnl
2177 test "${prefix}" != NONE &&
2178 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2179 test "${exec_prefix}" != NONE &&
2180 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2181 changequote([, ])dnl
2183 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2184 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2185 lisp/Makefile leim/Makefile, [
2187 ### Make the necessary directories, if they don't exist.
2188 for dir in etc lisp ; do
2189 test -d ${dir} || mkdir ${dir}
2190 done
2192 # Build src/Makefile from ${srcdir}/src/Makefile.c
2193 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2194 # This must be done after src/config.h is built, since we rely on that file.
2196 changequote(, )dnl The horror, the horror.
2197 # Now get this: Some word that is part of the ${srcdir} directory name
2198 # or the ${configuration} value might, just might, happen to be an
2199 # identifier like `sun4' or `i386' or something, and be predefined by
2200 # the C preprocessor to some helpful value like 1, or maybe the empty
2201 # string. Needless to say consequent macro substitutions are less
2202 # than conducive to the makefile finding the correct directory.
2203 undefs="`echo $top_srcdir $configuration $canonical |
2204 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
2205 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2206 `"
2207 changequote([, ])dnl
2209 echo creating src/epaths.h
2210 make epaths-force
2212 echo creating lib-src/Makefile
2213 ( cd lib-src
2214 rm -f junk.c junk1.c junk2.c
2215 sed -e '/start of cpp stuff/q' \
2216 < Makefile.c > junk1.c
2217 sed -e '1,/start of cpp stuff/d'\
2218 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2219 < Makefile.c > junk.c
2220 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2221 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2222 cat junk1.c junk2.c > Makefile.new
2223 rm -f junk.c junk1.c junk2.c
2224 chmod 444 Makefile.new
2225 mv -f Makefile.new Makefile
2226 )
2228 echo creating src/Makefile
2229 ( cd src
2230 rm -f junk.c junk1.c junk2.c
2231 sed -e '/start of cpp stuff/q' \
2232 < Makefile.c > junk1.c
2233 sed -e '1,/start of cpp stuff/d'\
2234 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2235 < Makefile.c > junk.c
2236 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2237 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2238 cat junk1.c junk2.c > Makefile.new
2239 rm -f junk.c junk1.c junk2.c
2240 chmod 444 Makefile.new
2241 mv -f Makefile.new Makefile
2242 )
2244 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2245 echo creating src/.gdbinit
2246 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2247 fi
2249 # This is how we know whether to re-run configure in certain cases.
2250 touch src/config.stamp
2252 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])