| blob | 1152b795d8d84cc5a2758f275a9a2ed263036da4 |
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 if test "${HAVE_X11}" = "yes"; then
1553 DEFS="$C_SWITCH_X_SITE $DEFS"
1554 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1555 LIBS="$LIBX $LIBS"
1556 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1558 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1559 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1560 # but it's more convenient here to set LD_RUN_PATH
1561 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1562 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1563 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1564 export LD_RUN_PATH
1565 fi
1567 if test "${opsys}" = "gnu-linux"; then
1568 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1569 AC_TRY_LINK([],
1570 [XOpenDisplay ("foo");],
1571 [xlinux_first_failure=no],
1572 [xlinux_first_failure=yes])
1573 if test "${xlinux_first_failure}" = "yes"; then
1574 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1575 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1576 OLD_CPPFLAGS="$CPPFLAGS"
1577 OLD_LIBS="$LIBS"
1578 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1579 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1580 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1581 LIBS="$LIBS -b i486-linuxaout"
1582 AC_TRY_LINK([],
1583 [XOpenDisplay ("foo");],
1584 [xlinux_second_failure=no],
1585 [xlinux_second_failure=yes])
1586 if test "${xlinux_second_failure}" = "yes"; then
1587 # If we get the same failure with -b, there is no use adding -b.
1588 # So take it out. This plays safe.
1589 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1590 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1591 CPPFLAGS="$OLD_CPPFLAGS"
1592 LIBS="$OLD_LIBS"
1593 AC_MSG_RESULT(no)
1594 else
1595 AC_MSG_RESULT(yes)
1596 fi
1597 else
1598 AC_MSG_RESULT(no)
1599 fi
1600 fi
1602 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1603 XScreenNumberOfScreen XSetWMProtocols)
1604 fi
1606 if test "${window_system}" = "x11"; then
1607 AC_MSG_CHECKING(X11 version 6)
1608 AC_CACHE_VAL(emacs_cv_x11_version_6,
1609 AC_TRY_LINK([#include <X11/Xlib.h>],
1610 [#if XlibSpecificationRelease < 6
1611 fail;
1612 #endif
1613 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1614 if test $emacs_cv_x11_version_6 = yes; then
1615 AC_MSG_RESULT(6 or newer)
1616 AC_DEFINE(HAVE_X11R6)
1617 else
1618 AC_MSG_RESULT(before 6)
1619 fi
1620 fi
1622 if test "${window_system}" = "x11"; then
1623 AC_MSG_CHECKING(X11 version 5)
1624 AC_CACHE_VAL(emacs_cv_x11_version_5,
1625 AC_TRY_LINK([#include <X11/Xlib.h>],
1626 [#if XlibSpecificationRelease < 5
1627 fail;
1628 #endif
1629 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1630 if test $emacs_cv_x11_version_5 = yes; then
1631 AC_MSG_RESULT(5 or newer)
1632 HAVE_X11R5=yes
1633 AC_DEFINE(HAVE_X11R5)
1634 else
1635 HAVE_X11R5=no
1636 AC_MSG_RESULT(before 5)
1637 fi
1638 fi
1640 dnl Do not put whitespace before the #include statements below.
1641 dnl Older compilers (eg sunos4 cc) choke on it.
1642 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1643 if test x"${HAVE_X11R5}" = xyes; then
1644 AC_MSG_CHECKING(X11 version 5 with Xaw)
1645 AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1646 AC_TRY_LINK([
1647 #include <X11/Intrinsic.h>
1648 #include <X11/Xaw/Simple.h>],
1649 [],
1650 emacs_cv_x11_version_5_with_xaw=yes,
1651 emacs_cv_x11_version_5_with_xaw=no))
1652 if test $emacs_cv_x11_version_5_with_xaw = yes; then
1653 AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1654 USE_X_TOOLKIT=LUCID
1655 else
1656 AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1657 USE_X_TOOLKIT=none
1658 fi
1659 else
1660 USE_X_TOOLKIT=none
1661 fi
1662 fi
1664 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1666 if test "${USE_X_TOOLKIT}" != "none"; then
1667 AC_MSG_CHECKING(X11 toolkit version)
1668 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1669 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1670 [#if XtSpecificationRelease < 6
1671 fail;
1672 #endif
1673 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1674 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1675 if test $emacs_cv_x11_toolkit_version_6 = yes; then
1676 AC_MSG_RESULT(6 or newer)
1677 AC_DEFINE(HAVE_X11XTR6)
1678 else
1679 AC_MSG_RESULT(before 6)
1680 fi
1682 dnl If using toolkit, check whether libXmu.a exists.
1683 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1684 OLDLIBS="$LIBS"
1685 if test x$HAVE_X11XTR6 = xyes; then
1686 LIBS="-lXt -lSM -lICE $LIBS"
1687 else
1688 LIBS="-lXt $LIBS"
1689 fi
1690 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1691 LIBS="$OLDLIBS"
1692 fi
1694 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1695 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1696 AC_TRY_COMPILE([#include <Xm/Xm.h>],
1697 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1698 int x = 5;
1699 #else
1700 Motif version prior to 2.1.
1701 #endif],
1702 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1703 HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1704 if test $emacs_cv_motif_version_2_1 = yes; then
1705 AC_DEFINE(HAVE_MOTIF_2_1)
1706 AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes, , -lXext)
1707 if test ${HAVE_LIBXP} = yes; then
1708 AC_DEFINE(HAVE_LIBXP)
1709 fi
1710 fi
1711 fi
1713 ### Is -lXaw3d available?
1714 HAVE_XAW3D=no
1715 if test "${HAVE_X11}" = "yes"; then
1716 if test "${USE_X_TOOLKIT}" != "none"; then
1717 old_c_flags="${CFLAGS}"
1718 CFLAGS="${LD_SWITCH_X_SITE}"
1719 AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1720 AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1721 CFLAGS="${old_c_flags}"
1723 if test "${HAVE_XAW3D}" = "yes"; then
1724 AC_DEFINE(HAVE_XAW3D)
1725 fi
1726 fi
1727 fi
1729 dnl Use toolkit scroll bars if configured for X toolkit and either
1730 dnl using Motif or Xaw3d is available, and unless
1731 dnl --with-toolkit-scroll-bars=no was specified.
1733 USE_TOOLKIT_SCROLL_BARS=no
1734 if test "${with_toolkit_scroll_bars}" != "no"; then
1735 if test "${USE_X_TOOLKIT}" != "none"; then
1736 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1737 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1738 HAVE_XAW3D=no
1739 USE_TOOLKIT_SCROLL_BARS=yes
1740 elif test "${HAVE_XAW3D}" = "yes"; then
1741 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1742 USE_TOOLKIT_SCROLL_BARS=yes
1743 fi
1744 fi
1745 fi
1747 dnl Don't use X11 input methods if user specifies he doesn't want it
1748 dnl with `--with-xim=no'.
1750 if test "${with_xim}" != "no"; then
1751 AC_DEFINE(USE_XIM)
1752 fi
1754 ### Use -lXpm if available, unless `--with-xpm=no'.
1755 HAVE_XPM=no
1756 if test "${HAVE_X11}" = "yes"; then
1757 if test "${with_xpm}" != "no"; then
1758 old_c_flags="${CFLAGS}"
1759 CFLAGS="${LD_SWITCH_X_SITE}"
1760 AC_CHECK_HEADER(X11/xpm.h,
1761 AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1762 CFLAGS="${old_c_flags}"
1763 fi
1765 if test "${HAVE_XPM}" = "yes"; then
1766 AC_DEFINE(HAVE_XPM)
1767 fi
1768 fi
1770 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1771 HAVE_JPEG=no
1772 if test "${HAVE_X11}" = "yes"; then
1773 if test "${with_jpeg}" != "no"; then
1774 old_c_flags="${CFLAGS}"
1775 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1776 dnl Checking for jpeglib.h can lose becsue of a redefinition of
1777 dnl HAVE_STDLIB_H.
1778 AC_CHECK_HEADER(jerror.h,
1779 AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
1780 CFLAGS="${old_c_flags}"
1781 fi
1783 if test "${HAVE_JPEG}" = "yes"; then
1784 AC_DEFINE(HAVE_JPEG)
1785 fi
1786 fi
1788 ### Use -lpng if available, unless `--with-png=no'.
1789 HAVE_PNG=no
1790 if test "${HAVE_X11}" = "yes"; then
1791 if test "${with_png}" != "no"; then
1792 old_c_flags="${CFLAGS}"
1793 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1794 AC_CHECK_HEADER(png.h,
1795 AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1796 CFLAGS="${old_c_flags}"
1797 fi
1799 if test "${HAVE_PNG}" = "yes"; then
1800 AC_DEFINE(HAVE_PNG)
1801 fi
1802 fi
1804 ### Use -ltiff if available, unless `--with-tiff=no'.
1805 HAVE_TIFF=no
1806 if test "${HAVE_X11}" = "yes"; then
1807 if test "${with_tiff}" != "no"; then
1808 old_c_flags="${CFLAGS}"
1809 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1810 AC_CHECK_HEADER(tiffio.h,
1811 tifflibs="-lX11 -lz -lm"
1812 # At least one tiff package requires the jpeg library.
1813 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1814 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1815 CFLAGS="${old_c_flags}"
1816 fi
1818 if test "${HAVE_TIFF}" = "yes"; then
1819 AC_DEFINE(HAVE_TIFF)
1820 fi
1821 fi
1823 ### Use -lgif if available, unless `--with-gif=no'.
1824 HAVE_GIF=no
1825 if test "${HAVE_X11}" = "yes"; then
1826 if test "${with_gif}" != "no"; then
1827 old_c_flags="${CFLAGS}"
1828 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1829 AC_CHECK_HEADER(gif_lib.h,
1830 AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes, , -lX11))
1831 CFLAGS="${old_c_flags}"
1832 fi
1834 if test "${HAVE_GIF}" = "yes"; then
1835 AC_DEFINE(HAVE_GIF)
1836 fi
1837 fi
1839 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1840 AC_CACHE_CHECK(whether netdb declares h_errno,
1841 emacs_cv_netdb_declares_h_errno,
1842 AC_TRY_LINK([#include <netdb.h>],
1843 [return h_errno;],
1844 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1845 if test $emacs_cv_netdb_declares_h_errno = yes; then
1846 AC_DEFINE(HAVE_H_ERRNO)
1847 fi
1849 AC_FUNC_ALLOCA
1851 # fmod, logb, and frexp are found in -lm on most systems.
1852 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1853 AC_CHECK_LIB(m, sqrt)
1855 # Check for mail-locking functions in a "mail" library
1856 AC_CHECK_LIB(mail, maillock)
1857 dnl Debian, at least:
1858 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1859 AC_CHECK_LIB(lockfile, maillock)
1860 # If we have the shared liblockfile, assume we must use it for mail
1861 # locking (e.g. Debian). If we couldn't link against liblockfile
1862 # (no liblockfile.a installed), ensure that we don't need to.
1863 if test "$ac_cv_lib_lockfile_maillock" = no; then
1864 dnl This works for files generally, not just executables.
1865 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
1866 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1867 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1868 if test $ac_cv_prog_liblockfile = yes; then
1869 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1870 This probably means that movemail could lose mail.
1871 There may be a \`development' package to install containing liblockfile.])
1872 else AC_DEFINE(LIBMAIL, -llockfile)
1873 fi
1874 else :
1875 fi
1876 AC_CHECK_FUNCS(touchlock)
1877 AC_CHECK_HEADERS(maillock.h)
1879 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1880 rename closedir mkdir rmdir sysinfo \
1881 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1882 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1883 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1884 __fpending mblen mbrlen strsignal setitimer ualarm)
1886 AC_FUNC_MKTIME
1887 if test "$ac_cv_func_working_mktime" = no; then
1888 AC_DEFINE(BROKEN_MKTIME)
1889 fi
1891 AC_FUNC_GETLOADAVG
1893 AC_SYS_LARGEFILE
1894 AC_CHECK_FUNCS(ftello)
1896 # UNIX98 PTYs. AC_SYS_LARGEFILE should have defined _XOPEN_SOURCE
1897 # if we need it.
1898 AC_CHECK_FUNCS(grantpt)
1900 # PTY-related GNU extensions.
1901 AC_CHECK_FUNCS(getpt)
1903 # Check this now, so that we will NOT find the above functions in ncurses.
1904 # That is because we have not set up to link ncurses in lib-src.
1905 # It's better to believe a function is not available
1906 # than to expect to find it in ncurses.
1907 AC_CHECK_LIB(ncurses, tparm)
1909 # These tell us which Kerberos-related libraries to use.
1910 if test "${with_kerberos+set}" = set; then
1911 AC_CHECK_LIB(com_err, com_err)
1912 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1913 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1914 AC_CHECK_LIB(krb5, krb5_init_context)
1915 if test "${with_kerberos5+set}" != set; then
1916 AC_CHECK_LIB(des425, des_cbc_encrypt,,
1917 AC_CHECK_LIB(des, des_cbc_encrypt))
1918 AC_CHECK_LIB(krb4, krb_get_cred,,
1919 AC_CHECK_LIB(krb, krb_get_cred))
1920 fi
1922 if test "${with_kerberos5+set}" = set; then
1923 AC_CHECK_HEADERS(krb5.h)
1924 else
1925 AC_CHECK_HEADERS(des.h,,
1926 AC_CHECK_HEADERS(kerberosIV/des.h,,
1927 AC_CHECK_HEADERS(kerberos/des.h)))
1928 AC_CHECK_HEADERS(krb.h,,
1929 AC_CHECK_HEADERS(kerberosIV/krb.h,,
1930 AC_CHECK_HEADERS(kerberos/krb.h)))
1931 fi
1932 AC_CHECK_HEADERS(com_err.h)
1933 fi
1935 # Solaris requires -lintl if you want strerror (which calls dgettext)
1936 # to return localized messages.
1937 AC_CHECK_LIB(intl, dgettext)
1939 AC_MSG_CHECKING(whether localtime caches TZ)
1940 AC_CACHE_VAL(emacs_cv_localtime_cache,
1941 [if test x$ac_cv_func_tzset = xyes; then
1942 AC_TRY_RUN([#include <time.h>
1943 extern char **environ;
1944 unset_TZ ()
1945 {
1946 char **from, **to;
1947 for (to = from = environ; (*to = *from); from++)
1948 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1949 to++;
1950 }
1951 char TZ_GMT0[] = "TZ=GMT0";
1952 char TZ_PST8[] = "TZ=PST8";
1953 main()
1954 {
1955 time_t now = time ((time_t *) 0);
1956 int hour_GMT0, hour_unset;
1957 if (putenv (TZ_GMT0) != 0)
1958 exit (1);
1959 hour_GMT0 = localtime (&now)->tm_hour;
1960 unset_TZ ();
1961 hour_unset = localtime (&now)->tm_hour;
1962 if (putenv (TZ_PST8) != 0)
1963 exit (1);
1964 if (localtime (&now)->tm_hour == hour_GMT0)
1965 exit (1);
1966 unset_TZ ();
1967 if (localtime (&now)->tm_hour != hour_unset)
1968 exit (1);
1969 exit (0);
1970 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1971 [# If we have tzset, assume the worst when cross-compiling.
1972 emacs_cv_localtime_cache=yes])
1973 else
1974 # If we lack tzset, report that localtime does not cache TZ,
1975 # since we can't invalidate the cache if we don't have tzset.
1976 emacs_cv_localtime_cache=no
1977 fi])dnl
1978 AC_MSG_RESULT($emacs_cv_localtime_cache)
1979 if test $emacs_cv_localtime_cache = yes; then
1980 AC_DEFINE(LOCALTIME_CACHE)
1981 fi
1983 if test "x$HAVE_TIMEVAL" = xyes; then
1984 AC_CHECK_FUNCS(gettimeofday)
1985 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1986 emacs_cv_gettimeofday_two_arguments,
1987 AC_TRY_COMPILE([
1988 #ifdef TIME_WITH_SYS_TIME
1989 #include <sys/time.h>
1990 #include <time.h>
1991 #else
1992 #ifdef HAVE_SYS_TIME_H
1993 #include <sys/time.h>
1994 #else
1995 #include <time.h>
1996 #endif
1997 #endif],
1998 [struct timeval time;
1999 gettimeofday (&time, 0);],
2000 emacs_cv_gettimeofday_two_arguments=yes,
2001 emacs_cv_gettimeofday_two_arguments=no))
2002 if test $emacs_cv_gettimeofday_two_arguments = no; then
2003 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2004 fi
2005 fi
2007 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2008 if test "$ac_cv_func_gettimeofday" = yes; then
2009 AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2010 [AC_TRY_COMPILE([#include <sys/time.h>],
2011 [struct timezone tz;],
2012 dnl It may be that we can't call gettimeofday with a non-null pointer,
2013 dnl even though we have struct timezone (e.g. HPUX). In that case
2014 dnl we'll lie about struct timezone.
2015 [AC_TRY_RUN([
2016 #ifdef TIME_WITH_SYS_TIME
2017 #include <sys/time.h>
2018 #include <time.h>
2019 #else
2020 #ifdef HAVE_SYS_TIME_H
2021 #include <sys/time.h>
2022 #else
2023 #include <time.h>
2024 #endif
2025 #endif
2026 main () {
2027 struct timeval time;
2028 struct timezone dummy;
2029 exit (gettimeofday (&time, &dummy));
2030 }],
2031 emacs_cv_struct_timezone=yes,
2032 emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2033 emacs_cv_struct_timezone=no)])
2034 fi
2036 ok_so_far=yes
2037 AC_CHECK_FUNC(socket, , ok_so_far=no)
2038 if test $ok_so_far = yes; then
2039 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2040 fi
2041 if test $ok_so_far = yes; then
2042 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2043 fi
2044 if test $ok_so_far = yes; then
2045 AC_DEFINE(HAVE_INET_SOCKETS)
2046 fi
2048 if test -f /usr/lpp/X11/bin/smt.exp; then
2049 AC_DEFINE(HAVE_AIX_SMT_EXP)
2050 fi
2052 AC_MSG_CHECKING(whether system supports dynamic ptys)
2053 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2054 AC_MSG_RESULT(yes)
2055 AC_DEFINE(HAVE_DEV_PTMX)
2056 else
2057 AC_MSG_RESULT(no)
2058 fi
2060 AC_FUNC_VFORK
2062 # Set up the CFLAGS for real compilation, so we can substitute it.
2063 CFLAGS="$REAL_CFLAGS"
2065 changequote(, )dnl
2066 #### Find out which version of Emacs this is.
2067 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
2068 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2069 changequote([, ])dnl
2070 if test x"${version}" = x; then
2071 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2072 fi
2074 ### Specify what sort of things we'll be editing into Makefile and config.h.
2075 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2076 AC_SUBST(version)
2077 AC_SUBST(configuration)
2078 AC_SUBST(canonical)
2079 AC_SUBST(srcdir)
2080 AC_SUBST(prefix)
2081 AC_SUBST(exec_prefix)
2082 AC_SUBST(bindir)
2083 AC_SUBST(datadir)
2084 AC_SUBST(sharedstatedir)
2085 AC_SUBST(libexecdir)
2086 AC_SUBST(mandir)
2087 AC_SUBST(infodir)
2088 AC_SUBST(lispdir)
2089 AC_SUBST(locallisppath)
2090 AC_SUBST(lisppath)
2091 AC_SUBST(x_default_search_path)
2092 AC_SUBST(etcdir)
2093 AC_SUBST(archlibdir)
2094 AC_SUBST(docdir)
2095 AC_SUBST(bitmapdir)
2096 AC_SUBST(c_switch_system)
2097 AC_SUBST(c_switch_machine)
2098 AC_SUBST(LD_SWITCH_X_SITE)
2099 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2100 AC_SUBST(C_SWITCH_X_SITE)
2101 AC_SUBST(CFLAGS)
2102 AC_SUBST(X_TOOLKIT_TYPE)
2103 AC_SUBST(machfile)
2104 AC_SUBST(opsysfile)
2105 AC_SUBST(GETLOADAVG_LIBS)
2107 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
2108 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2109 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
2110 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2111 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2112 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2113 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
2114 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
2116 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2117 AC_DEFINE(HAVE_X_WINDOWS)
2118 fi
2119 if test "${USE_X_TOOLKIT}" != "none" ; then
2120 AC_DEFINE(USE_X_TOOLKIT)
2121 fi
2122 if test "${HAVE_X11}" = "yes" ; then
2123 AC_DEFINE(HAVE_X11)
2124 fi
2125 if test "${HAVE_XFREE386}" = "yes" ; then
2126 AC_DEFINE(HAVE_XFREE386)
2127 fi
2128 if test "${HAVE_MENUS}" = "yes" ; then
2129 AC_DEFINE(HAVE_MENUS)
2130 fi
2131 if test "${GNU_MALLOC}" = "yes" ; then
2132 AC_DEFINE(GNU_MALLOC)
2133 fi
2134 if test "${REL_ALLOC}" = "yes" ; then
2135 AC_DEFINE(REL_ALLOC)
2136 fi
2138 #### Report on what we decided to do.
2139 echo "
2140 Configured for \`${canonical}'.
2142 Where should the build process find the source code? ${srcdir}
2143 What operating system and machine description files should Emacs use?
2144 \`${opsysfile}' and \`${machfile}'
2145 What compiler should emacs be built with? ${CC} ${CFLAGS}
2146 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
2147 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
2148 What window system should Emacs use? ${window_system}
2149 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
2151 if test -n "${x_includes}"; then
2152 echo " Where do we find X Windows header files? ${x_includes}"
2153 else
2154 echo " Where do we find X Windows header files? Standard dirs"
2155 fi
2156 if test -n "${x_libraries}"; then
2157 echo " Where do we find X Windows libraries? ${x_libraries}"
2158 else
2159 echo " Where do we find X Windows libraries? Standard dirs"
2160 fi
2162 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
2163 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
2164 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
2165 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
2166 echo " Does Emacs use -lungif? ${HAVE_GIF}"
2167 echo " Does Emacs use -lpng? ${HAVE_PNG}"
2168 echo " Does Emacs use X toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
2169 echo
2171 # Remove any trailing slashes in these variables.
2172 changequote(, )dnl
2173 test "${prefix}" != NONE &&
2174 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2175 test "${exec_prefix}" != NONE &&
2176 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2177 changequote([, ])dnl
2179 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2180 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2181 lisp/Makefile leim/Makefile, [
2183 ### Make the necessary directories, if they don't exist.
2184 for dir in etc lisp ; do
2185 test -d ${dir} || mkdir ${dir}
2186 done
2188 # Build src/Makefile from ${srcdir}/src/Makefile.c
2189 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2190 # This must be done after src/config.h is built, since we rely on that file.
2192 changequote(, )dnl The horror, the horror.
2193 # Now get this: Some word that is part of the ${srcdir} directory name
2194 # or the ${configuration} value might, just might, happen to be an
2195 # identifier like `sun4' or `i386' or something, and be predefined by
2196 # the C preprocessor to some helpful value like 1, or maybe the empty
2197 # string. Needless to say consequent macro substitutions are less
2198 # than conducive to the makefile finding the correct directory.
2199 undefs="`echo $top_srcdir $configuration $canonical |
2200 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
2201 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2202 `"
2203 changequote([, ])dnl
2205 echo creating src/epaths.h
2206 make epaths-force
2208 echo creating lib-src/Makefile
2209 ( cd lib-src
2210 rm -f junk.c junk1.c junk2.c
2211 sed -e '/start of cpp stuff/q' \
2212 < Makefile.c > junk1.c
2213 sed -e '1,/start of cpp stuff/d'\
2214 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2215 < Makefile.c > junk.c
2216 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2217 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2218 cat junk1.c junk2.c > Makefile.new
2219 rm -f junk.c junk1.c junk2.c
2220 chmod 444 Makefile.new
2221 mv -f Makefile.new Makefile
2222 )
2224 echo creating src/Makefile
2225 ( cd src
2226 rm -f junk.c junk1.c junk2.c
2227 sed -e '/start of cpp stuff/q' \
2228 < Makefile.c > junk1.c
2229 sed -e '1,/start of cpp stuff/d'\
2230 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2231 < Makefile.c > junk.c
2232 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2233 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2234 cat junk1.c junk2.c > Makefile.new
2235 rm -f junk.c junk1.c junk2.c
2236 chmod 444 Makefile.new
2237 mv -f Makefile.new Makefile
2238 )
2240 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2241 echo creating src/.gdbinit
2242 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2243 fi
2245 # This is how we know whether to re-run configure in certain cases.
2246 touch src/config.stamp
2248 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])