| blob | 0e10721fe6d788f5fa32909127e0226c4bde2aca |
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 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 [ --with-gcc use GCC to compile Emacs])
39 AC_ARG_WITH(pop,
40 [ --with-pop support POP for mail retrieval],
41 [AC_DEFINE(MAIL_USE_POP)])
42 AC_ARG_WITH(hesiod,
43 [ --with-hesiod support Hesiod to get the POP server host],
44 [AC_DEFINE(HESIOD)])
45 dnl This should be the last --with option, because --with-x is
46 dnl added later on when we find the path of X, and it's best to
47 dnl keep them together visually.
48 AC_ARG_WITH(x-toolkit,
49 [ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif/no)],
50 [ case "${withval}" in
51 y | ye | yes ) val=athena ;;
52 n | no ) val=no ;;
53 l | lu | luc | luci | lucid ) val=lucid ;;
54 a | at | ath | athe | athen | athena ) val=athena ;;
55 m | mo | mot | moti | motif ) val=motif ;;
56 dnl These don't currently work.
57 dnl o | op | ope | open | open- | open-l | open-lo \
58 dnl | open-loo | open-look ) val=open-look ;;
59 * )
60 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
61 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
62 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
63 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
64 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
65 ;;
66 esac
67 with_x_toolkit=$val
68 ])
69 AC_ARG_WITH(xpm,
70 [ --with-xpm use -lXpm for displaying XPM images])
71 AC_ARG_WITH(jpeg,
72 [ --with-jpeg use -ljpeg for displaying JPEG images])
73 AC_ARG_WITH(tiff,
74 [ --with-tiff use -ltiff for displaying TIFF images])
75 AC_ARG_WITH(gif,
76 [ --with-gif use -lungif for displaying GIF images])
77 AC_ARG_WITH(png,
78 [ --with-png use -lpng for displaying PNG images])
79 AC_ARG_WITH(toolkit-scroll-bars,
80 [ --with-toolkit-scroll-bars use Motif or Xaw3d scroll bars])
82 #### Make srcdir absolute, if it isn't already. It's important to
83 #### avoid running the path through pwd unnecessary, since pwd can
84 #### give you automounter prefixes, which can go away. We do all this
85 #### so Emacs can find its files when run uninstalled.
86 case "${srcdir}" in
87 /* ) ;;
88 . )
89 ## We may be able to use the $PWD environment variable to make this
90 ## absolute. But sometimes PWD is inaccurate.
91 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
92 unset CDPATH
93 if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
94 then
95 srcdir="$PWD"
96 else
97 srcdir="`(cd ${srcdir}; pwd)`"
98 fi
99 ;;
100 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
101 esac
103 #### Check if the source directory already has a configured system in it.
104 if test `pwd` != `(cd ${srcdir} && pwd)` \
105 && test -f "${srcdir}/src/config.h" ; then
106 AC_MSG_WARN([The directory tree \`${srcdir}' is being used
107 as a build directory right now; it has been configured in its own
108 right. To configure in another directory as well, you MUST
109 use GNU make. If you do not have GNU make, then you must
110 now do \`make distclean' in ${srcdir},
111 and then run $0 again.])
113 changequote(, )dnl
114 extrasub='/^VPATH[ ]*=/c\
115 changequote([, ])dnl
116 vpath %.c $(srcdir)\
117 vpath %.h $(srcdir)\
118 vpath %.y $(srcdir)\
119 vpath %.l $(srcdir)\
120 vpath %.s $(srcdir)\
121 vpath %.in $(srcdir)\
122 vpath %.texi $(srcdir)'
123 fi
125 #### Given the configuration name, set machfile and opsysfile to the
126 #### names of the m/*.h and s/*.h files we should use.
128 ### Canonicalize the configuration name.
130 AC_CANONICAL_HOST
131 canonical=$host
132 configuration=$host_alias
134 changequote(, )dnl
136 ### If you add support for a new configuration, add code to this
137 ### switch statement to recognize your configuration name and select
138 ### the appropriate operating system and machine description files.
140 ### You would hope that you could choose an m/*.h file pretty much
141 ### based on the machine portion of the configuration name, and an s-
142 ### file based on the operating system portion. However, it turns out
143 ### that each m/*.h file is pretty manufacturer-specific - for
144 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
145 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
146 ### machines. So we basically have to have a special case for each
147 ### configuration name.
148 ###
149 ### As far as handling version numbers on operating systems is
150 ### concerned, make sure things will fail in a fixable way. If
151 ### /etc/MACHINES doesn't say anything about version numbers, be
152 ### prepared to handle anything reasonably. If version numbers
153 ### matter, be sure /etc/MACHINES says something about it.
154 ###
155 ### Eric Raymond says we should accept strings like "sysvr4" to mean
156 ### "System V Release 4"; he writes, "The old convention encouraged
157 ### confusion between `system' and `release' levels'."
159 machine='' opsys='' unported=no
160 case "${canonical}" in
162 ## NetBSD ports
163 *-*-netbsd* )
164 opsys=netbsd
165 case "${canonical}" in
166 alpha*-*-netbsd*) machine=alpha ;;
167 i[3456]86-*-netbsd*) machine=intel386 ;;
168 m68k-*-netbsd*)
169 # This is somewhat bogus.
170 machine=hp9000s300 ;;
171 powerpc-apple-netbsd*) machine=macppc ;;
172 mips-*-netbsd*) machine=pmax ;;
173 ns32k-*-netbsd*) machine=ns32000 ;;
174 sparc-*-netbsd*) machine=sparc ;;
175 vax-*-netbsd*) machine=vax ;;
176 esac
177 ;;
179 ## OpenBSD ports
180 *-*-openbsd* )
181 opsys=openbsd
182 case "${canonical}" in
183 alpha*-*-openbsd*) machine=alpha ;;
184 i386-*-openbsd*) machine=intel386 ;;
185 m68k-*-openbsd*) machine=hp9000s300 ;;
186 mipsel-*-openbsd*) machine=pmax ;;
187 ns32k-*-openbsd*) machine=ns32000 ;;
188 sparc-*-openbsd*) machine=sparc ;;
189 vax-*-openbsd*) machine=vax ;;
190 esac
191 ;;
193 ## Acorn RISCiX:
194 arm-acorn-riscix1.1* )
195 machine=acorn opsys=riscix1-1
196 ;;
197 arm-acorn-riscix1.2* | arm-acorn-riscix )
198 ## This name is riscix12 instead of riscix1.2
199 ## to avoid a file name conflict on MSDOS.
200 machine=acorn opsys=riscix12
201 ;;
203 ## BSDI ports
204 *-*-bsdi* )
205 opsys=bsdi
206 case "${canonical}" in
207 i[345]86-*-bsdi*) machine=intel386 ;;
208 sparc-*-bsdi*) machine=sparc ;;
209 powerpc-*-bsdi*) machine=powerpc ;;
210 esac
211 case "${canonical}" in
212 *-*-bsd386* | *-*-bsdi1* ) opsys=bsd386 ;;
213 *-*-bsdi2.0* ) opsys=bsdos2 ;;
214 *-*-bsdi2* ) opsys=bsdos2-1 ;;
215 *-*-bsdi3* ) opsys=bsdos3 ;;
216 *-*-bsdi4* ) opsys=bsdos4 ;;
217 esac
218 ;;
220 ## Alliant machines
221 ## Strictly speaking, we need the version of the alliant operating
222 ## system to choose the right machine file, but currently the
223 ## configuration name doesn't tell us enough to choose the right
224 ## one; we need to give alliants their own operating system name to
225 ## do this right. When someone cares, they can help us.
226 fx80-alliant-* )
227 machine=alliant4 opsys=bsd4-2
228 ;;
229 i860-alliant-* )
230 machine=alliant-2800 opsys=bsd4-3
231 ;;
233 ## Alpha (DEC) machines.
234 alpha*-dec-osf* )
235 machine=alpha opsys=osf1
236 # This is needed to find X11R6.1 libraries for certain tests.
237 NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
238 GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
239 ;;
241 alpha*-*-linux-gnu* )
242 machine=alpha opsys=gnu-linux
243 ;;
245 ## Altos 3068
246 m68*-altos-sysv* )
247 machine=altos opsys=usg5-2
248 ;;
250 ## Amdahl UTS
251 580-amdahl-sysv* )
252 machine=amdahl opsys=usg5-2-2
253 ;;
255 ## Apollo, Domain/OS
256 m68*-apollo-* )
257 machine=apollo opsys=bsd4-3
258 ;;
260 ## AT&T 3b2, 3b5, 3b15, 3b20
261 we32k-att-sysv* )
262 machine=att3b opsys=usg5-2-2
263 ;;
265 ## AT&T 3b1 - The Mighty Unix PC!
266 m68*-att-sysv* )
267 machine=7300 opsys=usg5-2-2
268 ;;
270 ## Bull dpx20
271 rs6000-bull-bosx* )
272 machine=ibmrs6000 opsys=aix3-2
273 ;;
275 ## Bull dpx2
276 m68*-bull-sysv3* )
277 machine=dpx2 opsys=usg5-3
278 ;;
280 ## Bull sps7
281 m68*-bull-sysv2* )
282 machine=sps7 opsys=usg5-2
283 ;;
285 ## CCI 5/32, 6/32 -- see "Tahoe".
287 ## Celerity
288 ## I don't know what configuration name to use for this; config.sub
289 ## doesn't seem to know anything about it. Hey, Celerity users, get
290 ## in touch with us!
291 celerity-celerity-bsd* )
292 machine=celerity opsys=bsd4-2
293 ;;
295 ## Clipper
296 ## What operating systems does this chip run that Emacs has been
297 ## tested on?
298 clipper-* )
299 machine=clipper
300 ## We'll use the catch-all code at the bottom to guess the
301 ## operating system.
302 ;;
304 ## Convex
305 *-convex-bsd* | *-convex-convexos* )
306 machine=convex opsys=bsd4-3
307 ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
308 NON_GNU_CPP="cc -E -P"
309 ;;
311 ## Cubix QBx/386
312 i[3456]86-cubix-sysv* )
313 machine=intel386 opsys=usg5-3
314 ;;
316 ## Cydra 5
317 cydra*-cydrome-sysv* )
318 machine=cydra5 opsys=usg5-3
319 ;;
321 ## Data General AViiON Machines
322 ## DG changed naming conventions with the release of 5.4.4.10, they
323 ## dropped the initial 5.4 but left the intervening R. Because of the
324 ## R this shouldn't conflict with older versions of the OS (which I
325 ## think were named like dgux4.*). In addition, DG new AViiONs series
326 ## uses either Motorola M88k or Intel Pentium CPUs.
327 m88k-dg-dguxR4.* | m88k-dg-dgux4* )
328 machine=aviion opsys=dgux4
329 ;;
330 m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
331 ## This name is dgux5-4-3 instead of dgux5-4r3
332 ## to avoid a file name conflict on MSDOS.
333 machine=aviion opsys=dgux5-4-3
334 ;;
335 m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
336 machine=aviion opsys=dgux5-4r2
337 ;;
338 m88k-dg-dgux* )
339 machine=aviion opsys=dgux
340 ;;
342 ## Data General AViiON Intel (x86) Machines
343 ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
344 ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
345 i[345]86-dg-dguxR4* )
346 machine=aviion-intel opsys=dgux4
347 ;;
349 ## DECstations
350 mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
351 machine=pmax opsys=bsd4-2
352 ;;
353 mips-dec-ultrix4.[12]* | mips-dec-bsd* )
354 machine=pmax opsys=bsd4-3
355 ;;
356 mips-dec-ultrix* )
357 machine=pmax opsys=ultrix4-3
358 ;;
359 mips-dec-osf* )
360 machine=pmax opsys=osf1
361 ;;
362 mips-dec-mach_bsd4.3* )
363 machine=pmax opsys=mach-bsd4-3
364 ;;
366 ## Motorola Delta machines
367 m68k-motorola-sysv* | m68000-motorola-sysv* )
368 machine=delta opsys=usg5-3
369 if test -z "`type gnucc | grep 'not found'`"
370 then
371 if test -s /etc/167config
372 then CC="gnucc -m68040"
373 else CC="gnucc -m68881"
374 fi
375 else
376 if test -z "`type gcc | grep 'not found'`"
377 then CC=gcc
378 else CC=cc
379 fi
380 fi
381 ;;
382 m88k-motorola-sysv4* )
383 # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
384 # needs POSIX_SIGNALS and therefore needs usg5-4-2.
385 # I hope there are not other 4.0 versions for this machine
386 # which really need usg5-4 instead.
387 machine=delta88k opsys=usg5-4-2
388 ;;
389 m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
390 machine=delta88k opsys=usg5-3
391 ;;
393 ## Dual machines
394 m68*-dual-sysv* )
395 machine=dual opsys=usg5-2
396 ;;
397 m68*-dual-uniplus* )
398 machine=dual opsys=unipl5-2
399 ;;
401 ## Elxsi 6400
402 elxsi-elxsi-sysv* )
403 machine=elxsi opsys=usg5-2
404 ;;
406 ## Encore machines
407 ns16k-encore-bsd* )
408 machine=ns16000 opsys=umax
409 ;;
411 ## The GEC 93 - apparently, this port isn't really finished yet.
413 ## Gould Power Node and NP1
414 pn-gould-bsd4.2* )
415 machine=gould opsys=bsd4-2
416 ;;
417 pn-gould-bsd4.3* )
418 machine=gould opsys=bsd4-3
419 ;;
420 np1-gould-bsd* )
421 machine=gould-np1 opsys=bsd4-3
422 ;;
424 ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
425 ## as far as Emacs is concerned).
426 m88k-harris-cxux* )
427 # Build needs to be different on 7.0 and later releases
428 case "`uname -r`" in
429 [56].[0-9] ) machine=nh4000 opsys=cxux ;;
430 [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
431 esac
432 NON_GNU_CPP="/lib/cpp"
433 ;;
434 ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
435 m68k-harris-cxux* )
436 machine=nh3000 opsys=cxux
437 ;;
438 ## Harris power pc NightHawk running Power UNIX (Series 6000)
439 powerpc-harris-powerunix )
440 machine=nh6000 opsys=powerunix
441 NON_GNU_CPP="cc -Xo -E -P"
442 ;;
443 ## SR2001/SR2201 running HI-UX/MPP
444 hppa1.1-hitachi-hiuxmpp* )
445 machine=sr2k opsys=hiuxmpp
446 ;;
447 ## Honeywell XPS100
448 xps*-honeywell-sysv* )
449 machine=xps100 opsys=usg5-2
450 ;;
452 ## HP 9000 series 200 or 300
453 m68*-hp-bsd* )
454 machine=hp9000s300 opsys=bsd4-3
455 ;;
456 ## HP/UX 7, 8, 9, and 10 are supported on these machines.
457 m68*-hp-hpux* )
458 case "`uname -r`" in
459 ## Someone's system reports A.B8.05 for this.
460 ## I wonder what other possibilities there are.
461 *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
462 *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
463 *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
464 *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
465 *) machine=hp9000s300 opsys=hpux ;;
466 esac
467 ;;
469 ## HP 9000 series 700 and 800, running HP/UX
470 hppa*-hp-hpux7* )
471 machine=hp800 opsys=hpux
472 ;;
473 hppa*-hp-hpux8* )
474 machine=hp800 opsys=hpux8
475 ;;
476 hppa*-hp-hpux9shr* )
477 machine=hp800 opsys=hpux9shr
478 ;;
479 hppa*-hp-hpux9* )
480 machine=hp800 opsys=hpux9
481 ;;
482 hppa*-hp-hpux1[0-9]* )
483 machine=hp800 opsys=hpux10
484 ;;
486 ## HP 9000 series 700 and 800, running HP/UX
487 hppa*-hp-hpux* )
488 ## Cross-compilation? Nah!
489 case "`uname -r`" in
490 ## Someone's system reports A.B8.05 for this.
491 ## I wonder what other possibilities there are.
492 *.B8.* ) machine=hp800 opsys=hpux8 ;;
493 *.08.* ) machine=hp800 opsys=hpux8 ;;
494 *.09.* ) machine=hp800 opsys=hpux9 ;;
495 *) machine=hp800 opsys=hpux10 ;;
496 esac
497 ;;
498 hppa*-*-nextstep* )
499 machine=hp800 opsys=nextstep
500 ;;
502 ## Orion machines
503 orion-orion-bsd* )
504 machine=orion opsys=bsd4-2
505 ;;
506 clipper-orion-bsd* )
507 machine=orion105 opsys=bsd4-2
508 ;;
510 ## IBM machines
511 i[3456]86-ibm-aix1.1* )
512 machine=ibmps2-aix opsys=usg5-2-2
513 ;;
514 i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
515 machine=ibmps2-aix opsys=usg5-3
516 ;;
517 i370-ibm-aix*)
518 machine=ibm370aix opsys=usg5-3
519 ;;
520 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
521 machine=ibmrs6000 opsys=aix3-1
522 ;;
523 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
524 machine=ibmrs6000 opsys=aix3-2-5
525 ;;
526 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
527 machine=ibmrs6000 opsys=aix4-1
528 ;;
529 rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2* )
530 machine=ibmrs6000 opsys=aix4-2
531 ;;
532 rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0* )
533 machine=ibmrs6000 opsys=aix4
534 ;;
535 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
536 machine=ibmrs6000 opsys=aix4-1
537 ;;
538 rs6000-ibm-aix* | powerpc-ibm-aix* )
539 machine=ibmrs6000 opsys=aix3-2
540 ;;
541 romp-ibm-bsd4.3* )
542 machine=ibmrt opsys=bsd4-3
543 ;;
544 romp-ibm-bsd4.2* )
545 machine=ibmrt opsys=bsd4-2
546 ;;
547 romp-ibm-aos4.3* )
548 machine=ibmrt opsys=bsd4-3
549 ;;
550 romp-ibm-aos4.2* )
551 machine=ibmrt opsys=bsd4-2
552 ;;
553 romp-ibm-aos* )
554 machine=ibmrt opsys=bsd4-3
555 ;;
556 romp-ibm-bsd* )
557 machine=ibmrt opsys=bsd4-3
558 ;;
559 romp-ibm-aix* )
560 machine=ibmrt-aix opsys=usg5-2-2
561 ;;
563 ## Integrated Solutions `Optimum V'
564 m68*-isi-bsd4.2* )
565 machine=isi-ov opsys=bsd4-2
566 ;;
567 m68*-isi-bsd4.3* )
568 machine=isi-ov opsys=bsd4-3
569 ;;
571 ## Intel 386 machines where we do care about the manufacturer
572 i[3456]86-intsys-sysv* )
573 machine=is386 opsys=usg5-2-2
574 ;;
576 ## Prime EXL
577 i[3456]86-prime-sysv* )
578 machine=i386 opsys=usg5-3
579 ;;
581 ## Sequent Symmetry running Dynix
582 i[3456]86-sequent-bsd* )
583 machine=symmetry opsys=bsd4-3
584 ;;
586 ## Sequent Symmetry running ptx 4, which is a modified SVR4.
587 i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
588 machine=sequent-ptx opsys=ptx4
589 NON_GNU_CPP=/lib/cpp
590 ;;
592 ## Sequent Symmetry running DYNIX/ptx
593 ## Use the old cpp rather than the newer ANSI one.
594 i[3456]86-sequent-ptx* )
595 machine=sequent-ptx opsys=ptx
596 NON_GNU_CPP="/lib/cpp"
597 ;;
599 ## ncr machine running svr4.3.
600 i[3456]86-ncr-sysv4.3 )
601 machine=ncr386 opsys=usg5-4-3
602 ;;
604 ## Unspecified sysv on an ncr machine defaults to svr4.2.
605 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
606 i[3456]86-ncr-sysv* )
607 machine=ncr386 opsys=usg5-4-2
608 ;;
610 ## Intel Paragon OSF/1
611 i860-intel-osf1* )
612 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
613 ;;
615 ## Intel 860
616 i860-*-sysv4* )
617 machine=i860 opsys=usg5-4
618 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
619 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
620 ;;
622 ## Masscomp machines
623 m68*-masscomp-rtu* )
624 machine=masscomp opsys=rtu
625 ;;
627 ## Megatest machines
628 m68*-megatest-bsd* )
629 machine=mega68 opsys=bsd4-2
630 ;;
632 ## Workstations sold by MIPS
633 ## This is not necessarily all workstations using the MIPS processor -
634 ## Irises are produced by SGI, and DECstations by DEC.
636 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
637 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
638 ## it gives for choosing between the alternatives seems to be "Use
639 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
640 ## the BSD world." I'll assume that these are instructions for
641 ## handling two odd situations, and that every other situation
642 ## should use mips.h and usg5-2-2, they being listed first.
643 mips-mips-usg* )
644 machine=mips4
645 ## Fall through to the general code at the bottom to decide on the OS.
646 ;;
647 mips-mips-riscos4* )
648 machine=mips4 opsys=bsd4-3
649 NON_GNU_CC="cc -systype bsd43"
650 NON_GNU_CPP="cc -systype bsd43 -E"
651 ;;
652 mips-mips-riscos5* )
653 machine=mips4 opsys=riscos5
654 NON_GNU_CC="cc -systype bsd43"
655 NON_GNU_CPP="cc -systype bsd43 -E"
656 ;;
657 mips-mips-bsd* )
658 machine=mips opsys=bsd4-3
659 ;;
660 mips-mips-* )
661 machine=mips opsys=usg5-2-2
662 ;;
664 ## NeXT
665 m68*-next-* | m68k-*-nextstep* )
666 machine=m68k opsys=nextstep
667 ;;
669 ## The complete machine from National Semiconductor
670 ns32k-ns-genix* )
671 machine=ns32000 opsys=usg5-2
672 ;;
674 ## NCR machines
675 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
676 machine=tower32 opsys=usg5-2-2
677 ;;
678 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
679 machine=tower32v3 opsys=usg5-3
680 ;;
682 ## NEC EWS4800
683 mips-nec-sysv4*)
684 machine=ews4800 opsys=ux4800
685 ;;
687 ## Nixdorf Targon 31
688 m68*-nixdorf-sysv* )
689 machine=targon31 opsys=usg5-2-2
690 ;;
692 ## Nu (TI or LMI)
693 m68*-nu-sysv* )
694 machine=nu opsys=usg5-2
695 ;;
697 ## Plexus
698 m68*-plexus-sysv* )
699 machine=plexus opsys=usg5-2
700 ;;
702 ## PowerPC reference platform
703 powerpcle-*-solaris2* )
704 machine=prep
705 opsys=sol2-5
706 ;;
708 ## Pyramid machines
709 ## I don't really have any idea what sort of processor the Pyramid has,
710 ## so I'm assuming it is its own architecture.
711 pyramid-pyramid-bsd* )
712 machine=pyramid opsys=bsd4-2
713 ;;
715 ## Sequent Balance
716 ns32k-sequent-bsd4.2* )
717 machine=sequent opsys=bsd4-2
718 ;;
719 ns32k-sequent-bsd4.3* )
720 machine=sequent opsys=bsd4-3
721 ;;
723 ## Siemens Nixdorf
724 mips-siemens-sysv* | mips-sni-sysv*)
725 machine=mips-siemens opsys=usg5-4
726 NON_GNU_CC=/usr/ccs/bin/cc
727 NON_GNU_CPP=/usr/ccs/lib/cpp
728 ;;
730 ## Silicon Graphics machines
731 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
732 m68*-sgi-iris3.5* )
733 machine=irist opsys=iris3-5
734 ;;
735 m68*-sgi-iris3.6* | m68*-sgi-iris*)
736 machine=irist opsys=iris3-6
737 ;;
738 ## Iris 4D
739 mips-sgi-irix3* )
740 machine=iris4d opsys=irix3-3
741 ;;
742 mips-sgi-irix4* )
743 machine=iris4d opsys=irix4-0
744 ;;
745 mips-sgi-irix6.5 )
746 machine=iris4d opsys=irix6-5
747 NON_GNU_CPP=/lib/cpp
748 NON_GCC_TEST_OPTIONS="-n32 -G0"
749 ;;
750 mips-sgi-irix6* )
751 machine=iris4d opsys=irix6-0
752 NON_GNU_CPP=/lib/cpp
753 NON_GCC_TEST_OPTIONS=-32
754 ;;
755 mips-sgi-irix5.[01]* )
756 machine=iris4d opsys=irix5-0
757 ;;
758 mips-sgi-irix5* | mips-sgi-irix* )
759 machine=iris4d opsys=irix5-2
760 ;;
762 ## SONY machines
763 m68*-sony-bsd4.2* )
764 machine=news opsys=bsd4-2
765 ;;
766 m68*-sony-bsd4.3* )
767 machine=news opsys=bsd4-3
768 ;;
769 m68*-sony-newsos3* | m68*-sony-news3*)
770 machine=news opsys=bsd4-3
771 ;;
772 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
773 machine=news-risc opsys=bsd4-3
774 ;;
775 mips-sony-newsos6* )
776 machine=news-r6 opsys=newsos6
777 ;;
778 mips-sony-news* )
779 machine=news-risc opsys=newsos5
780 ;;
782 ## Stride
783 m68*-stride-sysv* )
784 machine=stride opsys=usg5-2
785 ;;
787 ## Suns
788 sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
789 machine=sparc opsys=gnu-linux
790 ;;
792 *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
793 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
794 | rs6000-*-solaris2*)
795 case "${canonical}" in
796 m68*-sunos1* ) machine=sun1 ;;
797 m68*-sunos2* ) machine=sun2 ;;
798 m68* ) machine=sun3 ;;
799 i[3456]86-sun-sunos[34]* ) machine=sun386 ;;
800 i[3456]86-*-* ) machine=intel386 ;;
801 powerpcle* ) machine=powerpcle ;;
802 powerpc* | rs6000* ) machine=ibmrs6000 ;;
803 sparc* ) machine=sparc ;;
804 * ) unported=yes ;;
805 esac
806 case "${canonical}" in
807 ## The Sun386 didn't get past 4.0.
808 i[3456]86-*-sunos4 ) opsys=sunos4-0 ;;
809 *-sunos4.0* ) opsys=sunos4-0 ;;
810 *-sunos4.1.[3-9]*noshare )
811 ## This name is sunos413 instead of sunos4-1-3
812 ## to avoid a file name conflict on MSDOS.
813 opsys=sunos413
814 NON_GNU_CPP=/usr/lib/cpp
815 NON_GCC_TEST_OPTIONS=-Bstatic
816 GCC_TEST_OPTIONS=-static
817 ;;
818 *-sunos4.1.[3-9]* | *-sunos4shr*)
819 opsys=sunos4shr
820 NON_GNU_CPP=/usr/lib/cpp
821 ;;
822 *-sunos4* | *-sunos )
823 opsys=sunos4-1
824 NON_GCC_TEST_OPTIONS=-Bstatic
825 GCC_TEST_OPTIONS=-static
826 ;;
827 *-sunos5.3* | *-solaris2.3* )
828 opsys=sol2-3
829 NON_GNU_CPP=/usr/ccs/lib/cpp
830 ;;
831 *-sunos5.4* | *-solaris2.4* )
832 opsys=sol2-4
833 NON_GNU_CPP=/usr/ccs/lib/cpp
834 RANLIB="ar -ts"
835 ;;
836 *-sunos5.5* | *-solaris2.5* )
837 opsys=sol2-5
838 NON_GNU_CPP=/usr/ccs/lib/cpp
839 RANLIB="ar -ts"
840 ;;
841 *-sunos5* | *-solaris* )
842 opsys=sol2-5
843 NON_GNU_CPP=/usr/ccs/lib/cpp
844 ;;
845 * ) opsys=bsd4-2 ;;
846 esac
847 ## Watch out for a compiler that we know will not work.
848 case "${canonical}" in
849 *-solaris* | *-sunos5* )
850 if [ "x$CC" = x/usr/ucb/cc ]; then
851 ## /usr/ucb/cc doesn't work;
852 ## we should find some other compiler that does work.
853 unset CC
854 fi
855 ;;
856 *) ;;
857 esac
858 ;;
859 sparc-*-nextstep* )
860 machine=sparc opsys=nextstep
861 ;;
863 ## Tadpole 68k
864 m68*-tadpole-sysv* )
865 machine=tad68k opsys=usg5-3
866 ;;
868 ## Tahoe machines
869 tahoe-tahoe-bsd4.2* )
870 machine=tahoe opsys=bsd4-2
871 ;;
872 tahoe-tahoe-bsd4.3* )
873 machine=tahoe opsys=bsd4-3
874 ;;
876 ## Tandem Integrity S2
877 mips-tandem-sysv* )
878 machine=tandem-s2 opsys=usg5-3
879 ;;
881 ## Tektronix XD88
882 m88k-tektronix-sysv3* )
883 machine=tekxd88 opsys=usg5-3
884 ;;
886 ## Tektronix 16000 box (6130?)
887 ns16k-tektronix-bsd* )
888 machine=ns16000 opsys=bsd4-2
889 ;;
890 ## Tektronix 4300
891 ## src/m/tek4300.h hints that this is a m68k machine.
892 m68*-tektronix-bsd* )
893 machine=tek4300 opsys=bsd4-3
894 ;;
896 ## Titan P2 or P3
897 ## We seem to have lost the machine-description file titan.h!
898 titan-titan-sysv* )
899 machine=titan opsys=usg5-3
900 ;;
902 ## Ustation E30 (SS5E)
903 m68*-unisys-uniplus* )
904 machine=ustation opsystem=unipl5-2
905 ;;
907 ## Vaxen.
908 vax-dec-* )
909 machine=vax
910 case "${canonical}" in
911 *-bsd4.1* ) opsys=bsd4-1 ;;
912 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
913 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
914 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
915 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
916 *-vms* ) opsys=vms ;;
917 * ) unported=yes
918 esac
919 ;;
921 ## Whitechapel MG1
922 ns16k-whitechapel-* )
923 machine=mg1
924 ## We don't know what sort of OS runs on these; we'll let the
925 ## operating system guessing code below try.
926 ;;
928 ## Wicat
929 m68*-wicat-sysv* )
930 machine=wicat opsys=usg5-2
931 ;;
933 ## Intel 386 machines where we don't care about the manufacturer
934 i[3456]86-*-* )
935 machine=intel386
936 case "${canonical}" in
937 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
938 *-isc2.2* ) opsys=isc2-2 ;;
939 *-isc4.0* ) opsys=isc4-0 ;;
940 *-isc4.* ) opsys=isc4-1
941 GCC_TEST_OPTIONS=-posix
942 NON_GCC_TEST_OPTIONS=-Xp
943 ;;
944 *-isc* ) opsys=isc3-0 ;;
945 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
946 *-esix* ) opsys=esix ;;
947 *-xenix* ) opsys=xenix ;;
948 *-linux-gnu* ) opsys=gnu-linux ;;
949 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
950 *-sco3.2v5* ) opsys=sco5
951 NON_GNU_CPP=/lib/cpp
952 # Prevent -belf from being passed to $CPP.
953 # /lib/cpp does not accept it.
954 OVERRIDE_CPPFLAGS=" "
955 ;;
956 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
957 *-386bsd* ) opsys=386bsd ;;
958 *-freebsd* ) opsys=freebsd ;;
959 *-nextstep* ) opsys=nextstep ;;
960 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
961 esac
962 ;;
964 ## m68k Linux-based GNU system
965 m68k-*-linux-gnu* )
966 machine=m68k opsys=gnu-linux
967 ;;
969 ## Mips Linux-based GNU system
970 mips-*-linux-gnu* )
971 machine=mips opsys=gnu-linux
972 ;;
974 ## UXP/DS
975 sparc-fujitsu-sysv4* )
976 machine=sparc opsys=uxpds
977 NON_GNU_CPP=/usr/ccs/lib/cpp
978 RANLIB="ar -ts"
979 ;;
981 ## UXP/V
982 f301-fujitsu-uxpv4.1)
983 machine=f301 opsys=uxpv
984 ;;
986 * )
987 unported=yes
988 ;;
989 esac
991 ### If the code above didn't choose an operating system, just choose
992 ### an operating system based on the configuration name. You really
993 ### only want to use this when you have no idea what the right
994 ### operating system is; if you know what operating systems a machine
995 ### runs, it's cleaner to make it explicit in the case statement
996 ### above.
997 if test x"${opsys}" = x; then
998 case "${canonical}" in
999 *-gnu* ) opsys=gnu ;;
1000 *-bsd4.[01] ) opsys=bsd4-1 ;;
1001 *-bsd4.2 ) opsys=bsd4-2 ;;
1002 *-bsd4.3 ) opsys=bsd4-3 ;;
1003 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
1004 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
1005 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
1006 *-sysv3* | *-sysvr3* ) opsys=usg5-3 ;;
1007 *-sysv4.2uw* ) opsys=unixware ;;
1008 *-sysv4.1* | *-sysvr4.1* )
1009 NON_GNU_CPP=/usr/lib/cpp
1010 opsys=usg5-4 ;;
1011 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1012 if [ x$NON_GNU_CPP = x ]; then
1013 if [ -f /usr/ccs/lib/cpp ]; then
1014 NON_GNU_CPP=/usr/ccs/lib/cpp
1015 else
1016 NON_GNU_CPP=/lib/cpp
1017 fi
1018 fi
1019 opsys=usg5-4-2 ;;
1020 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
1021 * )
1022 unported=yes
1023 ;;
1024 esac
1025 fi
1027 if test "x$RANLIB" = x; then
1028 RANLIB=ranlib
1029 fi
1031 changequote([, ])dnl
1033 if test $unported = yes; then
1034 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1035 Check \`etc/MACHINES' for recognized configuration names.])
1036 fi
1038 machfile="m/${machine}.h"
1039 opsysfile="s/${opsys}.h"
1042 #### Choose a compiler.
1043 test -n "$CC" && cc_specified=yes
1045 # Save the value of CFLAGS that the user specified.
1046 SPECIFIED_CFLAGS="$CFLAGS"
1048 case ${with_gcc} in
1049 "yes" ) CC="gcc" GCC=yes ;;
1050 "no" ) : ${CC=cc} ;;
1051 * ) AC_PROG_CC
1052 esac
1054 # On Suns, sometimes $CPP names a directory.
1055 if test -n "$CPP" && test -d "$CPP"; then
1056 CPP=
1057 fi
1059 #### Some systems specify a CPP to use unless we are using GCC.
1060 #### Now that we know whether we are using GCC, we can decide whether
1061 #### to use that one.
1062 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1063 then
1064 CPP="$NON_GNU_CPP"
1065 fi
1067 #### Some systems specify a CC to use unless we are using GCC.
1068 #### Now that we know whether we are using GCC, we can decide whether
1069 #### to use that one.
1070 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1071 test x$cc_specified != xyes
1072 then
1073 CC="$NON_GNU_CC"
1074 fi
1076 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1077 then
1078 CC="$CC $GCC_TEST_OPTIONS"
1079 fi
1081 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1082 then
1083 CC="$CC $NON_GCC_TEST_OPTIONS"
1084 fi
1086 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1087 then
1088 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1089 fi
1091 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1092 then
1093 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1094 fi
1096 #### Some other nice autoconf tests. If you add a test here which
1097 #### should make an entry in src/config.h, don't forget to add an
1098 #### #undef clause to src/config.h.in for autoconf to modify.
1100 dnl checks for programs
1101 AC_PROG_LN_S
1102 AC_PROG_CPP
1103 AC_PROG_INSTALL
1104 AC_PROG_YACC
1106 dnl checks for Unix variants
1107 AC_AIX
1109 # Sound support for GNU/Linux and the free BSDs.
1110 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1112 dnl checks for header files
1113 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h termcap.h)
1114 AC_HEADER_STDC
1115 AC_HEADER_TIME
1116 AC_DECL_SYS_SIGLIST
1118 dnl Some systems have utime.h but don't declare the struct anyplace.
1119 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1120 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1121 #include <sys/time.h>
1122 #include <time.h>
1123 #else
1124 #ifdef HAVE_SYS_TIME_H
1125 #include <sys/time.h>
1126 #else
1127 #include <time.h>
1128 #endif
1129 #endif
1130 #ifdef HAVE_UTIME_H
1131 #include <utime.h>
1132 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1133 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1134 if test $emacs_cv_struct_utimbuf = yes; then
1135 AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1136 fi
1138 dnl checks for typedefs
1139 AC_TYPE_SIGNAL
1141 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1142 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1143 #include <sys/time.h>
1144 #include <time.h>
1145 #else
1146 #ifdef HAVE_SYS_TIME_H
1147 #include <sys/time.h>
1148 #else
1149 #include <time.h>
1150 #endif
1151 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1152 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1153 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1154 if test $emacs_cv_struct_timeval = yes; then
1155 AC_DEFINE(HAVE_TIMEVAL)
1156 fi
1158 dnl checks for structure members
1159 AC_STRUCT_TM
1160 AC_STRUCT_TIMEZONE
1162 dnl checks for compiler characteristics
1163 AC_C_CONST
1165 dnl check for Make feature
1166 AC_PROG_MAKE_SET
1168 dnl checks for operating system services
1169 AC_SYS_LONG_FILE_NAMES
1171 #### Choose a window system.
1173 AC_PATH_X
1174 if test "$no_x" = yes; then
1175 window_system=none
1176 else
1177 window_system=x11
1178 fi
1180 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1181 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1182 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1183 x_default_search_path=""
1184 for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1185 x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1186 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1187 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1188 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1189 if test x"${x_default_search_path}" = x; then
1190 x_default_search_path=${x_search_path}
1191 else
1192 x_default_search_path="${x_search_path}:${x_default_search_path}"
1193 fi
1194 done
1195 fi
1196 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1197 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1198 fi
1200 if test x"${x_includes}" = x; then
1201 bitmapdir=/usr/include/X11/bitmaps
1202 else
1203 # accumulate include directories that have X11 bitmap subdirectories
1204 bmd_acc="dummyval"
1205 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1206 if test -d "${bmd}/X11/bitmaps"; then
1207 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1208 elif test -d "${bmd}/bitmaps"; then
1209 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1210 fi
1211 done
1212 if test ${bmd_acc} != "dummyval"; then
1213 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1214 fi
1215 fi
1217 case "${window_system}" in
1218 x11 )
1219 HAVE_X_WINDOWS=yes
1220 HAVE_X11=yes
1221 case "${with_x_toolkit}" in
1222 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1223 motif ) USE_X_TOOLKIT=MOTIF ;;
1224 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1225 no ) USE_X_TOOLKIT=none ;;
1226 dnl If user did not say whether to use a toolkit,
1227 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1228 * ) USE_X_TOOLKIT=maybe ;;
1229 esac
1230 ;;
1231 none )
1232 HAVE_X_WINDOWS=no
1233 HAVE_X11=no
1234 USE_X_TOOLKIT=none
1235 ;;
1236 esac
1238 ### If we're using X11, we should use the X menu package.
1239 HAVE_MENUS=no
1240 case ${HAVE_X11} in
1241 yes ) HAVE_MENUS=yes ;;
1242 esac
1244 if test "${opsys}" = "hpux9"; then
1245 case "${x_libraries}" in
1246 *X11R4* )
1247 opsysfile="s/hpux9-x11r4.h"
1248 ;;
1249 esac
1250 fi
1252 if test "${opsys}" = "hpux9shr"; then
1253 case "${x_libraries}" in
1254 *X11R4* )
1255 opsysfile="s/hpux9shxr4.h"
1256 ;;
1257 esac
1258 fi
1260 #### Extract some information from the operating system and machine files.
1262 AC_CHECKING([the machine- and system-dependent files to find out
1263 - which libraries the lib-src programs will want, and
1264 - whether the GNU malloc routines are usable])
1266 ### First figure out CFLAGS (which we use for running the compiler here)
1267 ### and REAL_CFLAGS (which we use for real compilation).
1268 ### The two are the same except on a few systems, where they are made
1269 ### different to work around various lossages. For example,
1270 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1271 ### as implying static linking.
1273 ### If the CFLAGS env var is specified, we use that value
1274 ### instead of the default.
1276 ### It's not important that this name contain the PID; you can't run
1277 ### two configures in the same directory and have anything work
1278 ### anyway.
1279 tempcname="conftest.c"
1281 echo '
1282 #include "'${srcdir}'/src/'${opsysfile}'"
1283 #include "'${srcdir}'/src/'${machfile}'"
1284 #ifndef LIBS_MACHINE
1285 #define LIBS_MACHINE
1286 #endif
1287 #ifndef LIBS_SYSTEM
1288 #define LIBS_SYSTEM
1289 #endif
1290 #ifndef C_SWITCH_SYSTEM
1291 #define C_SWITCH_SYSTEM
1292 #endif
1293 #ifndef C_SWITCH_MACHINE
1294 #define C_SWITCH_MACHINE
1295 #endif
1296 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1297 configure___ c_switch_system=C_SWITCH_SYSTEM
1298 configure___ c_switch_machine=C_SWITCH_MACHINE
1300 #ifndef LIB_X11_LIB
1301 #define LIB_X11_LIB -lX11
1302 #endif
1304 #ifndef LIBX11_MACHINE
1305 #define LIBX11_MACHINE
1306 #endif
1308 #ifndef LIBX11_SYSTEM
1309 #define LIBX11_SYSTEM
1310 #endif
1311 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1313 #ifdef UNEXEC
1314 configure___ unexec=UNEXEC
1315 #else
1316 configure___ unexec=unexec.o
1317 #endif
1319 #ifdef SYSTEM_MALLOC
1320 configure___ system_malloc=yes
1321 #else
1322 configure___ system_malloc=no
1323 #endif
1325 #ifndef C_DEBUG_SWITCH
1326 #define C_DEBUG_SWITCH -g
1327 #endif
1329 #ifndef C_OPTIMIZE_SWITCH
1330 #define C_OPTIMIZE_SWITCH -O
1331 #endif
1333 #ifndef LD_SWITCH_MACHINE
1334 #define LD_SWITCH_MACHINE
1335 #endif
1337 #ifndef LD_SWITCH_SYSTEM
1338 #define LD_SWITCH_SYSTEM
1339 #endif
1341 #ifndef LD_SWITCH_X_SITE_AUX
1342 #define LD_SWITCH_X_SITE_AUX
1343 #endif
1345 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1346 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1348 #ifdef THIS_IS_CONFIGURE
1350 /* Get the CFLAGS for tests in configure. */
1351 #ifdef __GNUC__
1352 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1353 #else
1354 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1355 #endif
1357 #else /* not THIS_IS_CONFIGURE */
1359 /* Get the CFLAGS for real compilation. */
1360 #ifdef __GNUC__
1361 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1362 #else
1363 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1364 #endif
1366 #endif /* not THIS_IS_CONFIGURE */
1367 ' > ${tempcname}
1369 # The value of CPP is a quoted variable reference, so we need to do this
1370 # to get its actual value...
1371 CPP=`eval "echo $CPP"`
1372 changequote(, )dnl
1373 eval `${CPP} -Isrc ${tempcname} \
1374 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1375 if test "x$SPECIFIED_CFLAGS" = x; then
1376 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1377 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1378 else
1379 REAL_CFLAGS="$CFLAGS"
1380 fi
1381 changequote([, ])dnl
1382 rm ${tempcname}
1384 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1386 ### Compute the unexec source name from the object name.
1387 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1389 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1390 # Assume not, until told otherwise.
1391 GNU_MALLOC=yes
1392 doug_lea_malloc=yes
1393 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1394 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1395 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1396 emacs_cv_var___after_morecore_hook,
1397 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1398 emacs_cv_var___after_morecore_hook=yes,
1399 emacs_cv_var___after_morecore_hook=no))
1400 if test $emacs_cv_var___after_morecore_hook = no; then
1401 doug_lea_malloc=no
1402 fi
1403 if test "${system_malloc}" = "yes"; then
1404 GNU_MALLOC=no
1405 GNU_MALLOC_reason="
1406 (The GNU allocators don't work with this system configuration.)"
1407 fi
1408 if test "$doug_lea_malloc" = "yes" ; then
1409 if test "$GNU_MALLOC" = yes ; then
1410 GNU_MALLOC_reason="
1411 (Using Doug Lea's new malloc from the GNU C Library.)"
1412 fi
1413 AC_DEFINE(DOUG_LEA_MALLOC)
1414 fi
1416 if test x"${REL_ALLOC}" = x; then
1417 REL_ALLOC=${GNU_MALLOC}
1418 fi
1420 LISP_FLOAT_TYPE=yes
1423 #### Add the libraries to LIBS and check for some functions.
1425 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1426 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1427 else
1428 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1429 fi
1431 LIBS="$libsrc_libs $LIBS"
1433 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1434 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1435 AC_CHECK_LIB(dnet, dnet_ntoa)
1436 dnl This causes -lresolv to get used in subsequent tests,
1437 dnl which causes failures on some systems such as HPUX 9.
1438 dnl AC_CHECK_LIB(resolv, gethostbyname)
1440 dnl FIXME replace main with a function we actually want from this library.
1441 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1443 AC_CHECK_LIB(pthreads, cma_open)
1445 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1446 if test -d /usr/X386/include; then
1447 HAVE_XFREE386=yes
1448 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1449 else
1450 HAVE_XFREE386=no
1451 fi
1452 AC_MSG_RESULT($HAVE_XFREE386)
1454 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1455 # for the tests that follow. We set it back to REAL_CFLAGS later on.
1457 if test "${HAVE_X11}" = "yes"; then
1458 DEFS="$C_SWITCH_X_SITE $DEFS"
1459 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1460 LIBS="$LIBX $LIBS"
1461 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1463 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1464 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1465 # but it's more convenient here to set LD_RUN_PATH
1466 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1467 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1468 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1469 export LD_RUN_PATH
1470 fi
1472 if test "${opsys}" = "gnu-linux"; then
1473 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1474 AC_TRY_LINK([],
1475 [XOpenDisplay ("foo");],
1476 [xlinux_first_failure=no],
1477 [xlinux_first_failure=yes])
1478 if test "${xlinux_first_failure}" = "yes"; then
1479 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1480 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1481 OLD_CPPFLAGS="$CPPFLAGS"
1482 OLD_LIBS="$LIBS"
1483 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1484 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1485 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1486 LIBS="$LIBS -b i486-linuxaout"
1487 AC_TRY_LINK([],
1488 [XOpenDisplay ("foo");],
1489 [xlinux_second_failure=no],
1490 [xlinux_second_failure=yes])
1491 if test "${xlinux_second_failure}" = "yes"; then
1492 # If we get the same failure with -b, there is no use adding -b.
1493 # So take it out. This plays safe.
1494 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1495 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1496 CPPFLAGS="$OLD_CPPFLAGS"
1497 LIBS="$OLD_LIBS"
1498 AC_MSG_RESULT(no)
1499 else
1500 AC_MSG_RESULT(yes)
1501 fi
1502 else
1503 AC_MSG_RESULT(no)
1504 fi
1505 fi
1507 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1508 XScreenNumberOfScreen XSetWMProtocols)
1509 fi
1511 if test "${window_system}" = "x11"; then
1512 AC_MSG_CHECKING(X11 version 6)
1513 AC_CACHE_VAL(emacs_cv_x11_version_6,
1514 AC_TRY_LINK([#include <X11/Xlib.h>],
1515 [#if XlibSpecificationRelease < 6
1516 fail;
1517 #endif
1518 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1519 if test $emacs_cv_x11_version_6 = yes; then
1520 AC_MSG_RESULT(6 or newer)
1521 AC_DEFINE(HAVE_X11R6)
1522 else
1523 AC_MSG_RESULT(before 6)
1524 fi
1525 fi
1527 if test "${window_system}" = "x11"; then
1528 AC_MSG_CHECKING(X11 version 5)
1529 AC_CACHE_VAL(emacs_cv_x11_version_5,
1530 AC_TRY_LINK([#include <X11/Xlib.h>],
1531 [#if XlibSpecificationRelease < 5
1532 fail;
1533 #endif
1534 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1535 if test $emacs_cv_x11_version_5 = yes; then
1536 AC_MSG_RESULT(5 or newer)
1537 HAVE_X11R5=yes
1538 AC_DEFINE(HAVE_X11R5)
1539 else
1540 HAVE_X11R5=no
1541 AC_MSG_RESULT(before 5)
1542 fi
1543 fi
1545 dnl Do not put whitespace before the #include statements below.
1546 dnl Older compilers (eg sunos4 cc) choke on it.
1547 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1548 if test x"${HAVE_X11R5}" = xyes; then
1549 AC_MSG_CHECKING(X11 version 5 with Xaw)
1550 AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1551 AC_TRY_LINK([
1552 #include <X11/Intrinsic.h>
1553 #include <X11/Xaw/Simple.h>],
1554 [],
1555 emacs_cv_x11_version_5_with_xaw=yes,
1556 emacs_cv_x11_version_5_with_xaw=no))
1557 if test $emacs_cv_x11_version_5_with_xaw = yes; then
1558 AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1559 USE_X_TOOLKIT=LUCID
1560 else
1561 AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1562 USE_X_TOOLKIT=none
1563 fi
1564 else
1565 USE_X_TOOLKIT=none
1566 fi
1567 fi
1569 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1571 if test "${USE_X_TOOLKIT}" != "none"; then
1572 AC_MSG_CHECKING(X11 toolkit version)
1573 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1574 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1575 [#if XtSpecificationRelease < 6
1576 fail;
1577 #endif
1578 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1579 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1580 if test $emacs_cv_x11_toolkit_version_6 = yes; then
1581 AC_MSG_RESULT(6 or newer)
1582 AC_DEFINE(HAVE_X11XTR6)
1583 else
1584 AC_MSG_RESULT(before 6)
1585 fi
1587 dnl If using toolkit, check whether libXmu.a exists.
1588 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1589 OLDLIBS="$LIBS"
1590 if test x$HAVE_X11XTR6 = xyes; then
1591 LIBS="-lXt -lSM -lICE $LIBS"
1592 else
1593 LIBS="-lXt $LIBS"
1594 fi
1595 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1596 LIBS="$OLDLIBS"
1597 fi
1599 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1600 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1601 AC_TRY_COMPILE([#include <Xm/Xm.h>],
1602 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1603 int x = 5;
1604 #else
1605 Motif version prior to 2.1.
1606 #endif],
1607 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1608 HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1609 if test $emacs_cv_motif_version_2_1 = yes; then
1610 AC_DEFINE(HAVE_MOTIF_2_1)
1611 AC_CHECK_LIB(Xp, XpCreateContext)
1612 fi
1613 fi
1615 ### Is -lXaw3d available?
1616 HAVE_XAW3D=no
1617 if test "${HAVE_X11}" = "yes"; then
1618 if test "${USE_X_TOOLKIT}" != "none"; then
1619 old_c_flags="${CFLAGS}"
1620 CFLAGS="${LD_SWITCH_X_SITE}"
1621 AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1622 AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1623 CFLAGS="${old_c_flags}"
1625 if test "${HAVE_XAW3D}" = "yes"; then
1626 AC_DEFINE(HAVE_XAW3D)
1627 fi
1628 fi
1629 fi
1631 dnl Use toolkit scroll bars if configured for X toolkit and either
1632 dnl using Motif or Xaw3d is available, and unless
1633 dnl --with-toolkit-scroll-bars=no was specified.
1635 USE_TOOLKIT_SCROLL_BARS=no
1636 if test "${with_toolkit_scroll_bars}" != "no"; then
1637 if test "${USE_X_TOOLKIT}" != "none"; then
1638 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1639 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1640 HAVE_XAW3D=no
1641 USE_TOOLKIT_SCROLL_BARS=yes
1642 elif test "${HAVE_XAW3D}" = "yes"; then
1643 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1644 USE_TOOLKIT_SCROLL_BARS=yes
1645 fi
1646 fi
1647 fi
1649 ### Use -lXpm if available, unless `--with-xpm=no'.
1650 HAVE_XPM=no
1651 if test "${HAVE_X11}" = "yes"; then
1652 if test "${with_xpm}" != "no"; then
1653 old_c_flags="${CFLAGS}"
1654 CFLAGS="${LD_SWITCH_X_SITE}"
1655 AC_CHECK_HEADER(X11/xpm.h,
1656 AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1657 CFLAGS="${old_c_flags}"
1658 fi
1660 if test "${HAVE_XPM}" = "yes"; then
1661 AC_DEFINE(HAVE_XPM)
1662 fi
1663 fi
1665 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1666 HAVE_JPEG=no
1667 if test "${HAVE_X11}" = "yes"; then
1668 if test "${with_jpeg}" != "no"; then
1669 old_c_flags="${CFLAGS}"
1670 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1671 AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11)
1672 CFLAGS="${old_c_flags}"
1673 fi
1675 if test "${HAVE_JPEG}" = "yes"; then
1676 AC_DEFINE(HAVE_JPEG)
1677 fi
1678 fi
1680 ### Use -lpng if available, unless `--with-png=no'.
1681 HAVE_PNG=no
1682 if test "${HAVE_X11}" = "yes"; then
1683 if test "${with_png}" != "no"; then
1684 old_c_flags="${CFLAGS}"
1685 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1686 AC_CHECK_HEADER(png.h,
1687 AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1688 CFLAGS="${old_c_flags}"
1689 fi
1691 if test "${HAVE_PNG}" = "yes"; then
1692 AC_DEFINE(HAVE_PNG)
1693 fi
1694 fi
1696 ### Use -ltiff if available, unless `--with-tiff=no'.
1697 HAVE_TIFF=no
1698 if test "${HAVE_X11}" = "yes"; then
1699 if test "${with_tiff}" != "no"; then
1700 old_c_flags="${CFLAGS}"
1701 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1702 AC_CHECK_HEADER(tiffio.h,
1703 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11 -lm))
1704 CFLAGS="${old_c_flags}"
1705 fi
1707 if test "${HAVE_TIFF}" = "yes"; then
1708 AC_DEFINE(HAVE_TIFF)
1709 fi
1710 fi
1712 ### Use -lgif if available, unless `--with-gif=no'.
1713 HAVE_GIF=no
1714 if test "${HAVE_X11}" = "yes"; then
1715 if test "${with_gif}" != "no"; then
1716 old_c_flags="${CFLAGS}"
1717 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1718 AC_CHECK_HEADER(gif_lib.h,
1719 AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
1720 CFLAGS="${old_c_flags}"
1721 fi
1723 if test "${HAVE_GIF}" = "yes"; then
1724 AC_DEFINE(HAVE_GIF)
1725 fi
1726 fi
1728 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1729 AC_CACHE_CHECK(whether netdb declares h_errno,
1730 emacs_cv_netdb_declares_h_errno,
1731 AC_TRY_LINK([#include <netdb.h>],
1732 [return h_errno;],
1733 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1734 if test $emacs_cv_netdb_declares_h_errno = yes; then
1735 AC_DEFINE(HAVE_H_ERRNO)
1736 fi
1738 AC_FUNC_ALLOCA
1740 # fmod, logb, and frexp are found in -lm on most systems.
1741 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1742 AC_CHECK_LIB(m, sqrt)
1744 # Check for mail-locking functions in a "mail" library
1745 AC_CHECK_LIB(mail, maillock)
1746 dnl Debian, at least:
1747 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1748 AC_CHECK_LIB(lockfile, maillock)
1749 # If we have the shared liblockfile, assume we must use it for mail
1750 # locking (e.g. Debian). If we couldn't link against liblockfile
1751 # (no liblockfile.a installed), ensure that we don't need to.
1752 if test "$ac_cv_lib_lockfile_maillock" = no; then
1753 dnl This works for files generally, not just executables.
1754 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
1755 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1756 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1757 if test $ac_cv_prog_liblockfile = yes; then
1758 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1759 This probably means that movemail could lose mail.
1760 There may be a \`development' package to install containing liblockfile.])
1761 else AC_DEFINE(LIBMAIL, -llockfile)
1762 fi
1763 else :
1764 fi
1765 AC_CHECK_FUNCS(touchlock)
1766 AC_CHECK_HEADERS(maillock.h)
1768 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1769 rename closedir mkdir rmdir sysinfo \
1770 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1771 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1772 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo)
1774 # Check this now, so that we will NOT find the above functions in ncurses.
1775 # That is because we have not set up to link ncurses in lib-src.
1776 # It's better to believe a function is not available
1777 # than to expect to find it in ncurses.
1778 AC_CHECK_LIB(ncurses, tparm)
1780 # Solaris requires -lintl if you want strerror (which calls dgettext)
1781 # to return localized messages.
1782 AC_CHECK_LIB(intl, dgettext)
1784 AC_MSG_CHECKING(whether localtime caches TZ)
1785 AC_CACHE_VAL(emacs_cv_localtime_cache,
1786 [if test x$ac_cv_func_tzset = xyes; then
1787 AC_TRY_RUN([#include <time.h>
1788 #if STDC_HEADERS
1789 # include <stdlib.h>
1790 #endif
1791 extern char **environ;
1792 unset_TZ ()
1793 {
1794 char **from, **to;
1795 for (to = from = environ; (*to = *from); from++)
1796 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1797 to++;
1798 }
1799 char TZ_GMT0[] = "TZ=GMT0";
1800 char TZ_PST8[] = "TZ=PST8";
1801 main()
1802 {
1803 time_t now = time ((time_t *) 0);
1804 int hour_GMT0, hour_unset;
1805 if (putenv (TZ_GMT0) != 0)
1806 exit (1);
1807 hour_GMT0 = localtime (&now)->tm_hour;
1808 unset_TZ ();
1809 hour_unset = localtime (&now)->tm_hour;
1810 if (putenv (TZ_PST8) != 0)
1811 exit (1);
1812 if (localtime (&now)->tm_hour == hour_GMT0)
1813 exit (1);
1814 unset_TZ ();
1815 if (localtime (&now)->tm_hour != hour_unset)
1816 exit (1);
1817 exit (0);
1818 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1819 [# If we have tzset, assume the worst when cross-compiling.
1820 emacs_cv_localtime_cache=yes])
1821 else
1822 # If we lack tzset, report that localtime does not cache TZ,
1823 # since we can't invalidate the cache if we don't have tzset.
1824 emacs_cv_localtime_cache=no
1825 fi])dnl
1826 AC_MSG_RESULT($emacs_cv_localtime_cache)
1827 if test $emacs_cv_localtime_cache = yes; then
1828 AC_DEFINE(LOCALTIME_CACHE)
1829 fi
1831 if test "x$HAVE_TIMEVAL" = xyes; then
1832 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1833 emacs_cv_gettimeofday_two_arguments,
1834 AC_TRY_LINK([
1835 #ifdef TIME_WITH_SYS_TIME
1836 #include <sys/time.h>
1837 #include <time.h>
1838 #else
1839 #ifdef HAVE_SYS_TIME_H
1840 #include <sys/time.h>
1841 #else
1842 #include <time.h>
1843 #endif
1844 #endif
1845 ],
1846 [
1847 struct timeval time;
1848 struct timezone dummy;
1849 gettimeofday (&time, &dummy);
1850 ],
1851 emacs_cv_gettimeofday_two_arguments=yes,
1852 emacs_cv_gettimeofday_two_arguments=no))
1853 if test $emacs_cv_gettimeofday_two_arguments = no; then
1854 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1855 fi
1856 fi
1858 ok_so_far=yes
1859 AC_CHECK_FUNC(socket, , ok_so_far=no)
1860 if test $ok_so_far = yes; then
1861 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1862 fi
1863 if test $ok_so_far = yes; then
1864 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1865 fi
1866 if test $ok_so_far = yes; then
1867 AC_DEFINE(HAVE_INET_SOCKETS)
1868 fi
1870 if test -f /usr/lpp/X11/bin/smt.exp; then
1871 AC_DEFINE(HAVE_AIX_SMT_EXP)
1872 fi
1874 # Set up the CFLAGS for real compilation, so we can substitute it.
1875 CFLAGS="$REAL_CFLAGS"
1877 changequote(, )dnl
1878 #### Find out which version of Emacs this is.
1879 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
1880 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1881 changequote([, ])dnl
1882 if test x"${version}" = x; then
1883 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1884 fi
1886 ### Specify what sort of things we'll be editing into Makefile and config.h.
1887 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1888 AC_SUBST(version)
1889 AC_SUBST(configuration)
1890 AC_SUBST(canonical)
1891 AC_SUBST(srcdir)
1892 AC_SUBST(prefix)
1893 AC_SUBST(exec_prefix)
1894 AC_SUBST(bindir)
1895 AC_SUBST(datadir)
1896 AC_SUBST(sharedstatedir)
1897 AC_SUBST(libexecdir)
1898 AC_SUBST(mandir)
1899 AC_SUBST(infodir)
1900 AC_SUBST(lispdir)
1901 AC_SUBST(locallisppath)
1902 AC_SUBST(lisppath)
1903 AC_SUBST(x_default_search_path)
1904 AC_SUBST(etcdir)
1905 AC_SUBST(archlibdir)
1906 AC_SUBST(docdir)
1907 AC_SUBST(bitmapdir)
1908 AC_SUBST(c_switch_system)
1909 AC_SUBST(c_switch_machine)
1910 AC_SUBST(LD_SWITCH_X_SITE)
1911 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1912 AC_SUBST(C_SWITCH_X_SITE)
1913 AC_SUBST(CFLAGS)
1914 AC_SUBST(X_TOOLKIT_TYPE)
1915 AC_SUBST(machfile)
1916 AC_SUBST(opsysfile)
1917 AC_SUBST(RANLIB)
1919 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
1920 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1921 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
1922 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1923 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1924 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1925 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
1926 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
1928 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1929 AC_DEFINE(HAVE_X_WINDOWS)
1930 fi
1931 if test "${USE_X_TOOLKIT}" != "none" ; then
1932 AC_DEFINE(USE_X_TOOLKIT)
1933 fi
1934 if test "${HAVE_X11}" = "yes" ; then
1935 AC_DEFINE(HAVE_X11)
1936 fi
1937 if test "${HAVE_XFREE386}" = "yes" ; then
1938 AC_DEFINE(HAVE_XFREE386)
1939 fi
1940 if test "${HAVE_MENUS}" = "yes" ; then
1941 AC_DEFINE(HAVE_MENUS)
1942 fi
1943 if test "${GNU_MALLOC}" = "yes" ; then
1944 AC_DEFINE(GNU_MALLOC)
1945 fi
1946 if test "${REL_ALLOC}" = "yes" ; then
1947 AC_DEFINE(REL_ALLOC)
1948 fi
1949 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1950 AC_DEFINE(LISP_FLOAT_TYPE)
1951 fi
1953 #### Report on what we decided to do.
1954 echo "
1955 Configured for \`${canonical}'.
1957 Where should the build process find the source code? ${srcdir}
1958 What operating system and machine description files should Emacs use?
1959 \`${opsysfile}' and \`${machfile}'
1960 What compiler should emacs be built with? ${CC} ${CFLAGS}
1961 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
1962 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
1963 What window system should Emacs use? ${window_system}
1964 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
1966 if test -n "${x_includes}"; then
1967 echo " Where do we find X Windows header files? ${x_includes}"
1968 else
1969 echo " Where do we find X Windows header files? Standard dirs"
1970 fi
1971 if test -n "${x_libraries}"; then
1972 echo " Where do we find X Windows libraries? ${x_libraries}"
1973 else
1974 echo " Where do we find X Windows libraries? Standard dirs"
1975 fi
1977 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
1978 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
1979 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
1980 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
1981 echo " Does Emacs use -lungif? ${HAVE_GIF}"
1982 echo " Does Emacs use -lpng? ${HAVE_PNG}"
1983 echo " Does Emacs use X toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
1984 echo
1986 # Remove any trailing slashes in these variables.
1987 changequote(, )dnl
1988 test "${prefix}" != NONE &&
1989 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1990 test "${exec_prefix}" != NONE &&
1991 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1992 changequote([, ])dnl
1994 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1995 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
1996 leim/Makefile, [
1998 ### Make the necessary directories, if they don't exist.
1999 for dir in etc lisp ; do
2000 test -d ${dir} || mkdir ${dir}
2001 done
2003 # Build src/Makefile from ${srcdir}/src/Makefile.c
2004 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2005 # This must be done after src/config.h is built, since we rely on that file.
2007 changequote(, )dnl The horror, the horror.
2008 # Now get this: Some word that is part of the ${srcdir} directory name
2009 # or the ${configuration} value might, just might, happen to be an
2010 # identifier like `sun4' or `i386' or something, and be predefined by
2011 # the C preprocessor to some helpful value like 1, or maybe the empty
2012 # string. Needless to say consequent macro substitutions are less
2013 # than conducive to the makefile finding the correct directory.
2014 undefs="`echo $top_srcdir $configuration $canonical |
2015 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
2016 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2017 `"
2018 changequote([, ])dnl
2020 echo creating src/epaths.h
2021 make epaths-force
2023 echo creating lib-src/Makefile
2024 ( cd lib-src
2025 rm -f junk.c junk1.c junk2.c
2026 sed -e '/start of cpp stuff/q' \
2027 < Makefile.c > junk1.c
2028 sed -e '1,/start of cpp stuff/d'\
2029 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2030 < Makefile.c > junk.c
2031 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2032 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2033 cat junk1.c junk2.c > Makefile.new
2034 rm -f junk.c junk1.c junk2.c
2035 chmod 444 Makefile.new
2036 mv -f Makefile.new Makefile
2037 )
2039 echo creating src/Makefile
2040 ( cd src
2041 rm -f junk.c junk1.c junk2.c
2042 sed -e '/start of cpp stuff/q' \
2043 < Makefile.c > junk1.c
2044 sed -e '1,/start of cpp stuff/d'\
2045 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2046 < Makefile.c > junk.c
2047 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2048 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2049 cat junk1.c junk2.c > Makefile.new
2050 rm -f junk.c junk1.c junk2.c
2051 chmod 444 Makefile.new
2052 mv -f Makefile.new Makefile
2053 )
2055 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2056 echo creating src/.gdbinit
2057 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2058 fi
2060 # This is how we know whether to re-run configure in certain cases.
2061 touch src/config.stamp
2063 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])