| blob | 8448e29453e8bec39a0664a086ec8b865688d09d |
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 [ --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 "$withval" = yes; then
42 AC_DEFINE(MAIL_USE_POP)
43 else :
44 fi])
45 AC_ARG_WITH(hesiod,
46 [ --with-hesiod support Hesiod to get the POP server host],
47 [AC_DEFINE(HESIOD)])
48 dnl This should be the last --with option, because --with-x is
49 dnl added later on when we find the path of X, and it's best to
50 dnl keep them together visually.
51 AC_ARG_WITH(x-toolkit,
52 [ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif/no)],
53 [ case "${withval}" in
54 y | ye | yes ) val=athena ;;
55 n | no ) val=no ;;
56 l | lu | luc | luci | lucid ) val=lucid ;;
57 a | at | ath | athe | athen | athena ) val=athena ;;
58 m | mo | mot | moti | motif ) val=motif ;;
59 dnl These don't currently work.
60 dnl o | op | ope | open | open- | open-l | open-lo \
61 dnl | open-loo | open-look ) val=open-look ;;
62 * )
63 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
64 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
65 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
66 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
67 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
68 ;;
69 esac
70 with_x_toolkit=$val
71 ])
72 AC_ARG_WITH(xpm,
73 [ --with-xpm use -lXpm for displaying XPM images])
74 AC_ARG_WITH(jpeg,
75 [ --with-jpeg use -ljpeg for displaying JPEG images])
76 AC_ARG_WITH(tiff,
77 [ --with-tiff use -ltiff for displaying TIFF images])
78 AC_ARG_WITH(gif,
79 [ --with-gif use -lungif for displaying GIF images])
80 AC_ARG_WITH(png,
81 [ --with-png use -lpng for displaying PNG images])
82 AC_ARG_WITH(toolkit-scroll-bars,
83 [ --without-toolkit-scroll-bars don't use Motif or Xaw3d scroll bars])
85 #### Make srcdir absolute, if it isn't already. It's important to
86 #### avoid running the path through pwd unnecessary, since pwd can
87 #### give you automounter prefixes, which can go away. We do all this
88 #### so Emacs can find its files when run uninstalled.
89 case "${srcdir}" in
90 /* ) ;;
91 . )
92 ## We may be able to use the $PWD environment variable to make this
93 ## absolute. But sometimes PWD is inaccurate.
94 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
95 unset CDPATH
96 if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
97 then
98 srcdir="$PWD"
99 else
100 srcdir="`(cd ${srcdir}; pwd)`"
101 fi
102 ;;
103 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
104 esac
106 #### Check if the source directory already has a configured system in it.
107 if test `pwd` != `(cd ${srcdir} && pwd)` \
108 && test -f "${srcdir}/src/config.h" ; then
109 AC_MSG_WARN([The directory tree \`${srcdir}' is being used
110 as a build directory right now; it has been configured in its own
111 right. To configure in another directory as well, you MUST
112 use GNU make. If you do not have GNU make, then you must
113 now do \`make distclean' in ${srcdir},
114 and then run $0 again.])
116 changequote(, )dnl
117 extrasub='/^VPATH[ ]*=/c\
118 changequote([, ])dnl
119 vpath %.c $(srcdir)\
120 vpath %.h $(srcdir)\
121 vpath %.y $(srcdir)\
122 vpath %.l $(srcdir)\
123 vpath %.s $(srcdir)\
124 vpath %.in $(srcdir)\
125 vpath %.texi $(srcdir)'
126 fi
128 #### Given the configuration name, set machfile and opsysfile to the
129 #### names of the m/*.h and s/*.h files we should use.
131 ### Canonicalize the configuration name.
133 AC_CANONICAL_HOST
134 canonical=$host
135 configuration=$host_alias
137 changequote(, )dnl
139 ### If you add support for a new configuration, add code to this
140 ### switch statement to recognize your configuration name and select
141 ### the appropriate operating system and machine description files.
143 ### You would hope that you could choose an m/*.h file pretty much
144 ### based on the machine portion of the configuration name, and an s-
145 ### file based on the operating system portion. However, it turns out
146 ### that each m/*.h file is pretty manufacturer-specific - for
147 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
148 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
149 ### machines. So we basically have to have a special case for each
150 ### configuration name.
151 ###
152 ### As far as handling version numbers on operating systems is
153 ### concerned, make sure things will fail in a fixable way. If
154 ### /etc/MACHINES doesn't say anything about version numbers, be
155 ### prepared to handle anything reasonably. If version numbers
156 ### matter, be sure /etc/MACHINES says something about it.
157 ###
158 ### Eric Raymond says we should accept strings like "sysvr4" to mean
159 ### "System V Release 4"; he writes, "The old convention encouraged
160 ### confusion between `system' and `release' levels'."
162 machine='' opsys='' unported=no
163 case "${canonical}" in
165 ## NetBSD ports
166 *-*-netbsd* )
167 opsys=netbsd
168 case "${canonical}" in
169 alpha*-*-netbsd*) machine=alpha ;;
170 i[3456]86-*-netbsd*) machine=intel386 ;;
171 m68k-*-netbsd*)
172 # This is somewhat bogus.
173 machine=hp9000s300 ;;
174 powerpc-apple-netbsd*) machine=macppc ;;
175 mips-*-netbsd*) machine=pmax ;;
176 ns32k-*-netbsd*) machine=ns32000 ;;
177 sparc-*-netbsd*) machine=sparc ;;
178 vax-*-netbsd*) machine=vax ;;
179 esac
180 ;;
182 ## OpenBSD ports
183 *-*-openbsd* )
184 opsys=openbsd
185 case "${canonical}" in
186 alpha*-*-openbsd*) machine=alpha ;;
187 i386-*-openbsd*) machine=intel386 ;;
188 m68k-*-openbsd*) machine=hp9000s300 ;;
189 mipsel-*-openbsd*) machine=pmax ;;
190 ns32k-*-openbsd*) machine=ns32000 ;;
191 sparc-*-openbsd*) machine=sparc ;;
192 vax-*-openbsd*) machine=vax ;;
193 esac
194 ;;
196 ## Acorn RISCiX:
197 arm-acorn-riscix1.1* )
198 machine=acorn opsys=riscix1-1
199 ;;
200 arm-acorn-riscix1.2* | arm-acorn-riscix )
201 ## This name is riscix12 instead of riscix1.2
202 ## to avoid a file name conflict on MSDOS.
203 machine=acorn opsys=riscix12
204 ;;
206 ## BSDI ports
207 *-*-bsdi* )
208 opsys=bsdi
209 case "${canonical}" in
210 i[345]86-*-bsdi*) machine=intel386 ;;
211 sparc-*-bsdi*) machine=sparc ;;
212 powerpc-*-bsdi*) machine=powerpc ;;
213 esac
214 case "${canonical}" in
215 *-*-bsd386* | *-*-bsdi1* ) opsys=bsd386 ;;
216 *-*-bsdi2.0* ) opsys=bsdos2 ;;
217 *-*-bsdi2* ) opsys=bsdos2-1 ;;
218 *-*-bsdi3* ) opsys=bsdos3 ;;
219 *-*-bsdi4* ) opsys=bsdos4 ;;
220 esac
221 ;;
223 ## Alliant machines
224 ## Strictly speaking, we need the version of the alliant operating
225 ## system to choose the right machine file, but currently the
226 ## configuration name doesn't tell us enough to choose the right
227 ## one; we need to give alliants their own operating system name to
228 ## do this right. When someone cares, they can help us.
229 fx80-alliant-* )
230 machine=alliant4 opsys=bsd4-2
231 ;;
232 i860-alliant-* )
233 machine=alliant-2800 opsys=bsd4-3
234 ;;
236 ## Alpha (DEC) machines.
237 alpha*-dec-osf* )
238 machine=alpha opsys=osf1
239 # This is needed to find X11R6.1 libraries for certain tests.
240 NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
241 GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
242 ;;
244 alpha*-*-linux-gnu* )
245 machine=alpha opsys=gnu-linux
246 ;;
248 ## Altos 3068
249 m68*-altos-sysv* )
250 machine=altos opsys=usg5-2
251 ;;
253 ## Amdahl UTS
254 580-amdahl-sysv* )
255 machine=amdahl opsys=usg5-2-2
256 ;;
258 ## Apollo, Domain/OS
259 m68*-apollo-* )
260 machine=apollo opsys=bsd4-3
261 ;;
263 ## AT&T 3b2, 3b5, 3b15, 3b20
264 we32k-att-sysv* )
265 machine=att3b opsys=usg5-2-2
266 ;;
268 ## AT&T 3b1 - The Mighty Unix PC!
269 m68*-att-sysv* )
270 machine=7300 opsys=usg5-2-2
271 ;;
273 ## Bull dpx20
274 rs6000-bull-bosx* )
275 machine=ibmrs6000 opsys=aix3-2
276 ;;
278 ## Bull dpx2
279 m68*-bull-sysv3* )
280 machine=dpx2 opsys=usg5-3
281 ;;
283 ## Bull sps7
284 m68*-bull-sysv2* )
285 machine=sps7 opsys=usg5-2
286 ;;
288 ## CCI 5/32, 6/32 -- see "Tahoe".
290 ## Celerity
291 ## I don't know what configuration name to use for this; config.sub
292 ## doesn't seem to know anything about it. Hey, Celerity users, get
293 ## in touch with us!
294 celerity-celerity-bsd* )
295 machine=celerity opsys=bsd4-2
296 ;;
298 ## Clipper
299 ## What operating systems does this chip run that Emacs has been
300 ## tested on?
301 clipper-* )
302 machine=clipper
303 ## We'll use the catch-all code at the bottom to guess the
304 ## operating system.
305 ;;
307 ## Convex
308 *-convex-bsd* | *-convex-convexos* )
309 machine=convex opsys=bsd4-3
310 ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
311 NON_GNU_CPP="cc -E -P"
312 ;;
314 ## Cubix QBx/386
315 i[3456]86-cubix-sysv* )
316 machine=intel386 opsys=usg5-3
317 ;;
319 ## Cydra 5
320 cydra*-cydrome-sysv* )
321 machine=cydra5 opsys=usg5-3
322 ;;
324 ## Data General AViiON Machines
325 ## DG changed naming conventions with the release of 5.4.4.10, they
326 ## dropped the initial 5.4 but left the intervening R. Because of the
327 ## R this shouldn't conflict with older versions of the OS (which I
328 ## think were named like dgux4.*). In addition, DG new AViiONs series
329 ## uses either Motorola M88k or Intel Pentium CPUs.
330 m88k-dg-dguxR4.* | m88k-dg-dgux4* )
331 machine=aviion opsys=dgux4
332 ;;
333 m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
334 ## This name is dgux5-4-3 instead of dgux5-4r3
335 ## to avoid a file name conflict on MSDOS.
336 machine=aviion opsys=dgux5-4-3
337 ;;
338 m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
339 machine=aviion opsys=dgux5-4r2
340 ;;
341 m88k-dg-dgux* )
342 machine=aviion opsys=dgux
343 ;;
345 ## Data General AViiON Intel (x86) Machines
346 ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
347 ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
348 i[345]86-dg-dguxR4* )
349 machine=aviion-intel opsys=dgux4
350 ;;
352 ## DECstations
353 mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
354 machine=pmax opsys=bsd4-2
355 ;;
356 mips-dec-ultrix4.[12]* | mips-dec-bsd* )
357 machine=pmax opsys=bsd4-3
358 ;;
359 mips-dec-ultrix* )
360 machine=pmax opsys=ultrix4-3
361 ;;
362 mips-dec-osf* )
363 machine=pmax opsys=osf1
364 ;;
365 mips-dec-mach_bsd4.3* )
366 machine=pmax opsys=mach-bsd4-3
367 ;;
369 ## Motorola Delta machines
370 m68k-motorola-sysv* | m68000-motorola-sysv* )
371 machine=delta opsys=usg5-3
372 if test -z "`type gnucc | grep 'not found'`"
373 then
374 if test -s /etc/167config
375 then CC="gnucc -m68040"
376 else CC="gnucc -m68881"
377 fi
378 else
379 if test -z "`type gcc | grep 'not found'`"
380 then CC=gcc
381 else CC=cc
382 fi
383 fi
384 ;;
385 m88k-motorola-sysv4* )
386 # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
387 # needs POSIX_SIGNALS and therefore needs usg5-4-2.
388 # I hope there are not other 4.0 versions for this machine
389 # which really need usg5-4 instead.
390 machine=delta88k opsys=usg5-4-2
391 ;;
392 m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
393 machine=delta88k opsys=usg5-3
394 ;;
396 ## Dual machines
397 m68*-dual-sysv* )
398 machine=dual opsys=usg5-2
399 ;;
400 m68*-dual-uniplus* )
401 machine=dual opsys=unipl5-2
402 ;;
404 ## Elxsi 6400
405 elxsi-elxsi-sysv* )
406 machine=elxsi opsys=usg5-2
407 ;;
409 ## Encore machines
410 ns16k-encore-bsd* )
411 machine=ns16000 opsys=umax
412 ;;
414 ## The GEC 93 - apparently, this port isn't really finished yet.
416 ## Gould Power Node and NP1
417 pn-gould-bsd4.2* )
418 machine=gould opsys=bsd4-2
419 ;;
420 pn-gould-bsd4.3* )
421 machine=gould opsys=bsd4-3
422 ;;
423 np1-gould-bsd* )
424 machine=gould-np1 opsys=bsd4-3
425 ;;
427 ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
428 ## as far as Emacs is concerned).
429 m88k-harris-cxux* )
430 # Build needs to be different on 7.0 and later releases
431 case "`uname -r`" in
432 [56].[0-9] ) machine=nh4000 opsys=cxux ;;
433 [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
434 esac
435 NON_GNU_CPP="/lib/cpp"
436 ;;
437 ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
438 m68k-harris-cxux* )
439 machine=nh3000 opsys=cxux
440 ;;
441 ## Harris power pc NightHawk running Power UNIX (Series 6000)
442 powerpc-harris-powerunix )
443 machine=nh6000 opsys=powerunix
444 NON_GNU_CPP="cc -Xo -E -P"
445 ;;
446 ## SR2001/SR2201 running HI-UX/MPP
447 hppa1.1-hitachi-hiuxmpp* )
448 machine=sr2k opsys=hiuxmpp
449 ;;
450 ## Honeywell XPS100
451 xps*-honeywell-sysv* )
452 machine=xps100 opsys=usg5-2
453 ;;
455 ## HP 9000 series 200 or 300
456 m68*-hp-bsd* )
457 machine=hp9000s300 opsys=bsd4-3
458 ;;
459 ## HP/UX 7, 8, 9, and 10 are supported on these machines.
460 m68*-hp-hpux* )
461 case "`uname -r`" in
462 ## Someone's system reports A.B8.05 for this.
463 ## I wonder what other possibilities there are.
464 *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
465 *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
466 *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
467 *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
468 *) machine=hp9000s300 opsys=hpux ;;
469 esac
470 ;;
472 ## HP 9000 series 700 and 800, running HP/UX
473 hppa*-hp-hpux7* )
474 machine=hp800 opsys=hpux
475 ;;
476 hppa*-hp-hpux8* )
477 machine=hp800 opsys=hpux8
478 ;;
479 hppa*-hp-hpux9shr* )
480 machine=hp800 opsys=hpux9shr
481 ;;
482 hppa*-hp-hpux9* )
483 machine=hp800 opsys=hpux9
484 ;;
485 hppa*-hp-hpux1[0-9]* )
486 machine=hp800 opsys=hpux10
487 ;;
489 ## HP 9000 series 700 and 800, running HP/UX
490 hppa*-hp-hpux* )
491 ## Cross-compilation? Nah!
492 case "`uname -r`" in
493 ## Someone's system reports A.B8.05 for this.
494 ## I wonder what other possibilities there are.
495 *.B8.* ) machine=hp800 opsys=hpux8 ;;
496 *.08.* ) machine=hp800 opsys=hpux8 ;;
497 *.09.* ) machine=hp800 opsys=hpux9 ;;
498 *) machine=hp800 opsys=hpux10 ;;
499 esac
500 ;;
501 hppa*-*-nextstep* )
502 machine=hp800 opsys=nextstep
503 ;;
505 ## Orion machines
506 orion-orion-bsd* )
507 machine=orion opsys=bsd4-2
508 ;;
509 clipper-orion-bsd* )
510 machine=orion105 opsys=bsd4-2
511 ;;
513 ## IBM machines
514 i[3456]86-ibm-aix1.1* )
515 machine=ibmps2-aix opsys=usg5-2-2
516 ;;
517 i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
518 machine=ibmps2-aix opsys=usg5-3
519 ;;
520 i370-ibm-aix*)
521 machine=ibm370aix opsys=usg5-3
522 ;;
523 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
524 machine=ibmrs6000 opsys=aix3-1
525 ;;
526 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
527 machine=ibmrs6000 opsys=aix3-2-5
528 ;;
529 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
530 machine=ibmrs6000 opsys=aix4-1
531 ;;
532 rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2* )
533 machine=ibmrs6000 opsys=aix4-2
534 ;;
535 rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0* )
536 machine=ibmrs6000 opsys=aix4
537 ;;
538 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
539 machine=ibmrs6000 opsys=aix4-1
540 ;;
541 rs6000-ibm-aix* | powerpc-ibm-aix* )
542 machine=ibmrs6000 opsys=aix3-2
543 ;;
544 romp-ibm-bsd4.3* )
545 machine=ibmrt opsys=bsd4-3
546 ;;
547 romp-ibm-bsd4.2* )
548 machine=ibmrt opsys=bsd4-2
549 ;;
550 romp-ibm-aos4.3* )
551 machine=ibmrt opsys=bsd4-3
552 ;;
553 romp-ibm-aos4.2* )
554 machine=ibmrt opsys=bsd4-2
555 ;;
556 romp-ibm-aos* )
557 machine=ibmrt opsys=bsd4-3
558 ;;
559 romp-ibm-bsd* )
560 machine=ibmrt opsys=bsd4-3
561 ;;
562 romp-ibm-aix* )
563 machine=ibmrt-aix opsys=usg5-2-2
564 ;;
566 ## Integrated Solutions `Optimum V'
567 m68*-isi-bsd4.2* )
568 machine=isi-ov opsys=bsd4-2
569 ;;
570 m68*-isi-bsd4.3* )
571 machine=isi-ov opsys=bsd4-3
572 ;;
574 ## Intel 386 machines where we do care about the manufacturer
575 i[3456]86-intsys-sysv* )
576 machine=is386 opsys=usg5-2-2
577 ;;
579 ## Prime EXL
580 i[3456]86-prime-sysv* )
581 machine=i386 opsys=usg5-3
582 ;;
584 ## Sequent Symmetry running Dynix
585 i[3456]86-sequent-bsd* )
586 machine=symmetry opsys=bsd4-3
587 ;;
589 ## Sequent Symmetry running ptx 4, which is a modified SVR4.
590 i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
591 machine=sequent-ptx opsys=ptx4
592 NON_GNU_CPP=/lib/cpp
593 ;;
595 ## Sequent Symmetry running DYNIX/ptx
596 ## Use the old cpp rather than the newer ANSI one.
597 i[3456]86-sequent-ptx* )
598 machine=sequent-ptx opsys=ptx
599 NON_GNU_CPP="/lib/cpp"
600 ;;
602 ## ncr machine running svr4.3.
603 i[3456]86-ncr-sysv4.3 )
604 machine=ncr386 opsys=usg5-4-3
605 ;;
607 ## Unspecified sysv on an ncr machine defaults to svr4.2.
608 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
609 i[3456]86-ncr-sysv* )
610 machine=ncr386 opsys=usg5-4-2
611 ;;
613 ## Intel Paragon OSF/1
614 i860-intel-osf1* )
615 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
616 ;;
618 ## Intel 860
619 i860-*-sysv4* )
620 machine=i860 opsys=usg5-4
621 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
622 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
623 ;;
625 ## Masscomp machines
626 m68*-masscomp-rtu* )
627 machine=masscomp opsys=rtu
628 ;;
630 ## Megatest machines
631 m68*-megatest-bsd* )
632 machine=mega68 opsys=bsd4-2
633 ;;
635 ## Workstations sold by MIPS
636 ## This is not necessarily all workstations using the MIPS processor -
637 ## Irises are produced by SGI, and DECstations by DEC.
639 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
640 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
641 ## it gives for choosing between the alternatives seems to be "Use
642 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
643 ## the BSD world." I'll assume that these are instructions for
644 ## handling two odd situations, and that every other situation
645 ## should use mips.h and usg5-2-2, they being listed first.
646 mips-mips-usg* )
647 machine=mips4
648 ## Fall through to the general code at the bottom to decide on the OS.
649 ;;
650 mips-mips-riscos4* )
651 machine=mips4 opsys=bsd4-3
652 NON_GNU_CC="cc -systype bsd43"
653 NON_GNU_CPP="cc -systype bsd43 -E"
654 ;;
655 mips-mips-riscos5* )
656 machine=mips4 opsys=riscos5
657 NON_GNU_CC="cc -systype bsd43"
658 NON_GNU_CPP="cc -systype bsd43 -E"
659 ;;
660 mips-mips-bsd* )
661 machine=mips opsys=bsd4-3
662 ;;
663 mips-mips-* )
664 machine=mips opsys=usg5-2-2
665 ;;
667 ## NeXT
668 m68*-next-* | m68k-*-nextstep* )
669 machine=m68k opsys=nextstep
670 ;;
672 ## The complete machine from National Semiconductor
673 ns32k-ns-genix* )
674 machine=ns32000 opsys=usg5-2
675 ;;
677 ## NCR machines
678 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
679 machine=tower32 opsys=usg5-2-2
680 ;;
681 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
682 machine=tower32v3 opsys=usg5-3
683 ;;
685 ## NEC EWS4800
686 mips-nec-sysv4*)
687 machine=ews4800 opsys=ux4800
688 ;;
690 ## Nixdorf Targon 31
691 m68*-nixdorf-sysv* )
692 machine=targon31 opsys=usg5-2-2
693 ;;
695 ## Nu (TI or LMI)
696 m68*-nu-sysv* )
697 machine=nu opsys=usg5-2
698 ;;
700 ## Plexus
701 m68*-plexus-sysv* )
702 machine=plexus opsys=usg5-2
703 ;;
705 ## PowerPC reference platform
706 powerpcle-*-solaris2* )
707 machine=prep
708 opsys=sol2-5
709 ;;
711 ## Pyramid machines
712 ## I don't really have any idea what sort of processor the Pyramid has,
713 ## so I'm assuming it is its own architecture.
714 pyramid-pyramid-bsd* )
715 machine=pyramid opsys=bsd4-2
716 ;;
718 ## Sequent Balance
719 ns32k-sequent-bsd4.2* )
720 machine=sequent opsys=bsd4-2
721 ;;
722 ns32k-sequent-bsd4.3* )
723 machine=sequent opsys=bsd4-3
724 ;;
726 ## Siemens Nixdorf
727 mips-siemens-sysv* | mips-sni-sysv*)
728 machine=mips-siemens opsys=usg5-4
729 NON_GNU_CC=/usr/ccs/bin/cc
730 NON_GNU_CPP=/usr/ccs/lib/cpp
731 ;;
733 ## Silicon Graphics machines
734 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
735 m68*-sgi-iris3.5* )
736 machine=irist opsys=iris3-5
737 ;;
738 m68*-sgi-iris3.6* | m68*-sgi-iris*)
739 machine=irist opsys=iris3-6
740 ;;
741 ## Iris 4D
742 mips-sgi-irix3* )
743 machine=iris4d opsys=irix3-3
744 ;;
745 mips-sgi-irix4* )
746 machine=iris4d opsys=irix4-0
747 ;;
748 mips-sgi-irix6.5 )
749 machine=iris4d opsys=irix6-5
750 NON_GNU_CPP=/lib/cpp
751 NON_GCC_TEST_OPTIONS="-n32 -G0"
752 ;;
753 mips-sgi-irix6* )
754 machine=iris4d opsys=irix6-0
755 NON_GNU_CPP=/lib/cpp
756 NON_GCC_TEST_OPTIONS=-32
757 ;;
758 mips-sgi-irix5.[01]* )
759 machine=iris4d opsys=irix5-0
760 ;;
761 mips-sgi-irix5* | mips-sgi-irix* )
762 machine=iris4d opsys=irix5-2
763 ;;
765 ## SONY machines
766 m68*-sony-bsd4.2* )
767 machine=news opsys=bsd4-2
768 ;;
769 m68*-sony-bsd4.3* )
770 machine=news opsys=bsd4-3
771 ;;
772 m68*-sony-newsos3* | m68*-sony-news3*)
773 machine=news opsys=bsd4-3
774 ;;
775 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
776 machine=news-risc opsys=bsd4-3
777 ;;
778 mips-sony-newsos6* )
779 machine=news-r6 opsys=newsos6
780 ;;
781 mips-sony-news* )
782 machine=news-risc opsys=newsos5
783 ;;
785 ## Stride
786 m68*-stride-sysv* )
787 machine=stride opsys=usg5-2
788 ;;
790 ## Suns
791 sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
792 machine=sparc opsys=gnu-linux
793 ;;
795 *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
796 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
797 | rs6000-*-solaris2*)
798 case "${canonical}" in
799 m68*-sunos1* ) machine=sun1 ;;
800 m68*-sunos2* ) machine=sun2 ;;
801 m68* ) machine=sun3 ;;
802 i[3456]86-sun-sunos[34]* ) machine=sun386 ;;
803 i[3456]86-*-* ) machine=intel386 ;;
804 powerpcle* ) machine=powerpcle ;;
805 powerpc* | rs6000* ) machine=ibmrs6000 ;;
806 sparc* ) machine=sparc ;;
807 * ) unported=yes ;;
808 esac
809 case "${canonical}" in
810 ## The Sun386 didn't get past 4.0.
811 i[3456]86-*-sunos4 ) opsys=sunos4-0 ;;
812 *-sunos4.0* ) opsys=sunos4-0 ;;
813 *-sunos4.1.[3-9]*noshare )
814 ## This name is sunos413 instead of sunos4-1-3
815 ## to avoid a file name conflict on MSDOS.
816 opsys=sunos413
817 NON_GNU_CPP=/usr/lib/cpp
818 NON_GCC_TEST_OPTIONS=-Bstatic
819 GCC_TEST_OPTIONS=-static
820 ;;
821 *-sunos4.1.[3-9]* | *-sunos4shr*)
822 opsys=sunos4shr
823 NON_GNU_CPP=/usr/lib/cpp
824 ;;
825 *-sunos4* | *-sunos )
826 opsys=sunos4-1
827 NON_GCC_TEST_OPTIONS=-Bstatic
828 GCC_TEST_OPTIONS=-static
829 ;;
830 *-sunos5.3* | *-solaris2.3* )
831 opsys=sol2-3
832 NON_GNU_CPP=/usr/ccs/lib/cpp
833 ;;
834 *-sunos5.4* | *-solaris2.4* )
835 opsys=sol2-4
836 NON_GNU_CPP=/usr/ccs/lib/cpp
837 RANLIB="ar -ts"
838 ;;
839 *-sunos5.5* | *-solaris2.5* )
840 opsys=sol2-5
841 NON_GNU_CPP=/usr/ccs/lib/cpp
842 RANLIB="ar -ts"
843 ;;
844 *-sunos5* | *-solaris* )
845 opsys=sol2-5
846 NON_GNU_CPP=/usr/ccs/lib/cpp
847 ;;
848 * ) opsys=bsd4-2 ;;
849 esac
850 ## Watch out for a compiler that we know will not work.
851 case "${canonical}" in
852 *-solaris* | *-sunos5* )
853 if [ "x$CC" = x/usr/ucb/cc ]; then
854 ## /usr/ucb/cc doesn't work;
855 ## we should find some other compiler that does work.
856 unset CC
857 fi
858 ;;
859 *) ;;
860 esac
861 ;;
862 sparc-*-nextstep* )
863 machine=sparc opsys=nextstep
864 ;;
866 ## Tadpole 68k
867 m68*-tadpole-sysv* )
868 machine=tad68k opsys=usg5-3
869 ;;
871 ## Tahoe machines
872 tahoe-tahoe-bsd4.2* )
873 machine=tahoe opsys=bsd4-2
874 ;;
875 tahoe-tahoe-bsd4.3* )
876 machine=tahoe opsys=bsd4-3
877 ;;
879 ## Tandem Integrity S2
880 mips-tandem-sysv* )
881 machine=tandem-s2 opsys=usg5-3
882 ;;
884 ## Tektronix XD88
885 m88k-tektronix-sysv3* )
886 machine=tekxd88 opsys=usg5-3
887 ;;
889 ## Tektronix 16000 box (6130?)
890 ns16k-tektronix-bsd* )
891 machine=ns16000 opsys=bsd4-2
892 ;;
893 ## Tektronix 4300
894 ## src/m/tek4300.h hints that this is a m68k machine.
895 m68*-tektronix-bsd* )
896 machine=tek4300 opsys=bsd4-3
897 ;;
899 ## Titan P2 or P3
900 ## We seem to have lost the machine-description file titan.h!
901 titan-titan-sysv* )
902 machine=titan opsys=usg5-3
903 ;;
905 ## Ustation E30 (SS5E)
906 m68*-unisys-uniplus* )
907 machine=ustation opsystem=unipl5-2
908 ;;
910 ## Vaxen.
911 vax-dec-* )
912 machine=vax
913 case "${canonical}" in
914 *-bsd4.1* ) opsys=bsd4-1 ;;
915 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
916 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
917 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
918 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
919 *-vms* ) opsys=vms ;;
920 * ) unported=yes
921 esac
922 ;;
924 ## Whitechapel MG1
925 ns16k-whitechapel-* )
926 machine=mg1
927 ## We don't know what sort of OS runs on these; we'll let the
928 ## operating system guessing code below try.
929 ;;
931 ## Wicat
932 m68*-wicat-sysv* )
933 machine=wicat opsys=usg5-2
934 ;;
936 ## Intel 386 machines where we don't care about the manufacturer
937 i[3456]86-*-* )
938 machine=intel386
939 case "${canonical}" in
940 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
941 *-isc2.2* ) opsys=isc2-2 ;;
942 *-isc4.0* ) opsys=isc4-0 ;;
943 *-isc4.* ) opsys=isc4-1
944 GCC_TEST_OPTIONS=-posix
945 NON_GCC_TEST_OPTIONS=-Xp
946 ;;
947 *-isc* ) opsys=isc3-0 ;;
948 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
949 *-esix* ) opsys=esix ;;
950 *-xenix* ) opsys=xenix ;;
951 *-linux-gnu* ) opsys=gnu-linux ;;
952 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
953 *-sco3.2v5* ) opsys=sco5
954 NON_GNU_CPP=/lib/cpp
955 # Prevent -belf from being passed to $CPP.
956 # /lib/cpp does not accept it.
957 OVERRIDE_CPPFLAGS=" "
958 ;;
959 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
960 *-386bsd* ) opsys=386bsd ;;
961 *-freebsd* ) opsys=freebsd ;;
962 *-nextstep* ) opsys=nextstep ;;
963 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
964 esac
965 ;;
967 ## m68k Linux-based GNU system
968 m68k-*-linux-gnu* )
969 machine=m68k opsys=gnu-linux
970 ;;
972 ## Mips Linux-based GNU system
973 mips-*-linux-gnu* )
974 machine=mips opsys=gnu-linux
975 ;;
977 ## UXP/DS
978 sparc-fujitsu-sysv4* )
979 machine=sparc opsys=uxpds
980 NON_GNU_CPP=/usr/ccs/lib/cpp
981 RANLIB="ar -ts"
982 ;;
984 ## UXP/V
985 f301-fujitsu-uxpv4.1)
986 machine=f301 opsys=uxpv
987 ;;
989 * )
990 unported=yes
991 ;;
992 esac
994 ### If the code above didn't choose an operating system, just choose
995 ### an operating system based on the configuration name. You really
996 ### only want to use this when you have no idea what the right
997 ### operating system is; if you know what operating systems a machine
998 ### runs, it's cleaner to make it explicit in the case statement
999 ### above.
1000 if test x"${opsys}" = x; then
1001 case "${canonical}" in
1002 *-gnu* ) opsys=gnu ;;
1003 *-bsd4.[01] ) opsys=bsd4-1 ;;
1004 *-bsd4.2 ) opsys=bsd4-2 ;;
1005 *-bsd4.3 ) opsys=bsd4-3 ;;
1006 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
1007 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
1008 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
1009 *-sysv3* | *-sysvr3* ) opsys=usg5-3 ;;
1010 *-sysv4.2uw* ) opsys=unixware ;;
1011 *-sysv4.1* | *-sysvr4.1* )
1012 NON_GNU_CPP=/usr/lib/cpp
1013 opsys=usg5-4 ;;
1014 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1015 if [ x$NON_GNU_CPP = x ]; then
1016 if [ -f /usr/ccs/lib/cpp ]; then
1017 NON_GNU_CPP=/usr/ccs/lib/cpp
1018 else
1019 NON_GNU_CPP=/lib/cpp
1020 fi
1021 fi
1022 opsys=usg5-4-2 ;;
1023 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
1024 * )
1025 unported=yes
1026 ;;
1027 esac
1028 fi
1030 if test "x$RANLIB" = x; then
1031 RANLIB=ranlib
1032 fi
1034 changequote([, ])dnl
1036 if test $unported = yes; then
1037 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1038 Check \`etc/MACHINES' for recognized configuration names.])
1039 fi
1041 machfile="m/${machine}.h"
1042 opsysfile="s/${opsys}.h"
1045 #### Choose a compiler.
1046 test -n "$CC" && cc_specified=yes
1048 # Save the value of CFLAGS that the user specified.
1049 SPECIFIED_CFLAGS="$CFLAGS"
1051 case ${with_gcc} in
1052 "yes" ) CC="gcc" GCC=yes ;;
1053 "no" ) : ${CC=cc} ;;
1054 * ) AC_PROG_CC
1055 esac
1057 # On Suns, sometimes $CPP names a directory.
1058 if test -n "$CPP" && test -d "$CPP"; then
1059 CPP=
1060 fi
1062 #### Some systems specify a CPP to use unless we are using GCC.
1063 #### Now that we know whether we are using GCC, we can decide whether
1064 #### to use that one.
1065 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1066 then
1067 CPP="$NON_GNU_CPP"
1068 fi
1070 #### Some systems specify a CC to use unless we are using GCC.
1071 #### Now that we know whether we are using GCC, we can decide whether
1072 #### to use that one.
1073 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1074 test x$cc_specified != xyes
1075 then
1076 CC="$NON_GNU_CC"
1077 fi
1079 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1080 then
1081 CC="$CC $GCC_TEST_OPTIONS"
1082 fi
1084 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1085 then
1086 CC="$CC $NON_GCC_TEST_OPTIONS"
1087 fi
1089 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1090 then
1091 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1092 fi
1094 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1095 then
1096 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1097 fi
1099 #### Some other nice autoconf tests. If you add a test here which
1100 #### should make an entry in src/config.h, don't forget to add an
1101 #### #undef clause to src/config.h.in for autoconf to modify.
1103 dnl checks for programs
1104 AC_PROG_LN_S
1105 AC_PROG_CPP
1106 AC_PROG_INSTALL
1107 AC_PROG_YACC
1109 dnl checks for Unix variants
1110 AC_AIX
1112 # Sound support for GNU/Linux and the free BSDs.
1113 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1115 dnl checks for header files
1116 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)
1117 AC_HEADER_STDC
1118 AC_HEADER_TIME
1119 AC_DECL_SYS_SIGLIST
1121 dnl Some systems have utime.h but don't declare the struct anyplace.
1122 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1123 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1124 #include <sys/time.h>
1125 #include <time.h>
1126 #else
1127 #ifdef HAVE_SYS_TIME_H
1128 #include <sys/time.h>
1129 #else
1130 #include <time.h>
1131 #endif
1132 #endif
1133 #ifdef HAVE_UTIME_H
1134 #include <utime.h>
1135 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1136 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1137 if test $emacs_cv_struct_utimbuf = yes; then
1138 AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1139 fi
1141 dnl checks for typedefs
1142 AC_TYPE_SIGNAL
1144 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1145 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1146 #include <sys/time.h>
1147 #include <time.h>
1148 #else
1149 #ifdef HAVE_SYS_TIME_H
1150 #include <sys/time.h>
1151 #else
1152 #include <time.h>
1153 #endif
1154 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1155 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1156 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1157 if test $emacs_cv_struct_timeval = yes; then
1158 AC_DEFINE(HAVE_TIMEVAL)
1159 fi
1161 dnl checks for structure members
1162 AC_STRUCT_TM
1163 AC_STRUCT_TIMEZONE
1165 dnl checks for compiler characteristics
1166 AC_C_CONST
1168 dnl check for Make feature
1169 AC_PROG_MAKE_SET
1171 dnl checks for operating system services
1172 AC_SYS_LONG_FILE_NAMES
1174 #### Choose a window system.
1176 AC_PATH_X
1177 if test "$no_x" = yes; then
1178 window_system=none
1179 else
1180 window_system=x11
1181 fi
1183 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1184 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1185 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1186 x_default_search_path=""
1187 for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1188 x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1189 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1190 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1191 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1192 if test x"${x_default_search_path}" = x; then
1193 x_default_search_path=${x_search_path}
1194 else
1195 x_default_search_path="${x_search_path}:${x_default_search_path}"
1196 fi
1197 done
1198 fi
1199 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1200 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1201 fi
1203 if test x"${x_includes}" = x; then
1204 bitmapdir=/usr/include/X11/bitmaps
1205 else
1206 # accumulate include directories that have X11 bitmap subdirectories
1207 bmd_acc="dummyval"
1208 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1209 if test -d "${bmd}/X11/bitmaps"; then
1210 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1211 elif test -d "${bmd}/bitmaps"; then
1212 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1213 fi
1214 done
1215 if test ${bmd_acc} != "dummyval"; then
1216 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1217 fi
1218 fi
1220 case "${window_system}" in
1221 x11 )
1222 HAVE_X_WINDOWS=yes
1223 HAVE_X11=yes
1224 case "${with_x_toolkit}" in
1225 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1226 motif ) USE_X_TOOLKIT=MOTIF ;;
1227 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1228 no ) USE_X_TOOLKIT=none ;;
1229 dnl If user did not say whether to use a toolkit,
1230 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1231 * ) USE_X_TOOLKIT=maybe ;;
1232 esac
1233 ;;
1234 none )
1235 HAVE_X_WINDOWS=no
1236 HAVE_X11=no
1237 USE_X_TOOLKIT=none
1238 ;;
1239 esac
1241 ### If we're using X11, we should use the X menu package.
1242 HAVE_MENUS=no
1243 case ${HAVE_X11} in
1244 yes ) HAVE_MENUS=yes ;;
1245 esac
1247 if test "${opsys}" = "hpux9"; then
1248 case "${x_libraries}" in
1249 *X11R4* )
1250 opsysfile="s/hpux9-x11r4.h"
1251 ;;
1252 esac
1253 fi
1255 if test "${opsys}" = "hpux9shr"; then
1256 case "${x_libraries}" in
1257 *X11R4* )
1258 opsysfile="s/hpux9shxr4.h"
1259 ;;
1260 esac
1261 fi
1263 #### Extract some information from the operating system and machine files.
1265 AC_CHECKING([the machine- and system-dependent files to find out
1266 - which libraries the lib-src programs will want, and
1267 - whether the GNU malloc routines are usable])
1269 ### First figure out CFLAGS (which we use for running the compiler here)
1270 ### and REAL_CFLAGS (which we use for real compilation).
1271 ### The two are the same except on a few systems, where they are made
1272 ### different to work around various lossages. For example,
1273 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1274 ### as implying static linking.
1276 ### If the CFLAGS env var is specified, we use that value
1277 ### instead of the default.
1279 ### It's not important that this name contain the PID; you can't run
1280 ### two configures in the same directory and have anything work
1281 ### anyway.
1282 tempcname="conftest.c"
1284 echo '
1285 #include "'${srcdir}'/src/'${opsysfile}'"
1286 #include "'${srcdir}'/src/'${machfile}'"
1287 #ifndef LIBS_MACHINE
1288 #define LIBS_MACHINE
1289 #endif
1290 #ifndef LIBS_SYSTEM
1291 #define LIBS_SYSTEM
1292 #endif
1293 #ifndef C_SWITCH_SYSTEM
1294 #define C_SWITCH_SYSTEM
1295 #endif
1296 #ifndef C_SWITCH_MACHINE
1297 #define C_SWITCH_MACHINE
1298 #endif
1299 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1300 configure___ c_switch_system=C_SWITCH_SYSTEM
1301 configure___ c_switch_machine=C_SWITCH_MACHINE
1303 #ifndef LIB_X11_LIB
1304 #define LIB_X11_LIB -lX11
1305 #endif
1307 #ifndef LIBX11_MACHINE
1308 #define LIBX11_MACHINE
1309 #endif
1311 #ifndef LIBX11_SYSTEM
1312 #define LIBX11_SYSTEM
1313 #endif
1314 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1316 #ifdef UNEXEC
1317 configure___ unexec=UNEXEC
1318 #else
1319 configure___ unexec=unexec.o
1320 #endif
1322 #ifdef SYSTEM_MALLOC
1323 configure___ system_malloc=yes
1324 #else
1325 configure___ system_malloc=no
1326 #endif
1328 #ifndef C_DEBUG_SWITCH
1329 #define C_DEBUG_SWITCH -g
1330 #endif
1332 #ifndef C_OPTIMIZE_SWITCH
1333 #define C_OPTIMIZE_SWITCH -O
1334 #endif
1336 #ifndef LD_SWITCH_MACHINE
1337 #define LD_SWITCH_MACHINE
1338 #endif
1340 #ifndef LD_SWITCH_SYSTEM
1341 #define LD_SWITCH_SYSTEM
1342 #endif
1344 #ifndef LD_SWITCH_X_SITE_AUX
1345 #define LD_SWITCH_X_SITE_AUX
1346 #endif
1348 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1349 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1351 #ifdef THIS_IS_CONFIGURE
1353 /* Get the CFLAGS for tests in configure. */
1354 #ifdef __GNUC__
1355 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1356 #else
1357 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1358 #endif
1360 #else /* not THIS_IS_CONFIGURE */
1362 /* Get the CFLAGS for real compilation. */
1363 #ifdef __GNUC__
1364 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1365 #else
1366 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1367 #endif
1369 #endif /* not THIS_IS_CONFIGURE */
1370 ' > ${tempcname}
1372 # The value of CPP is a quoted variable reference, so we need to do this
1373 # to get its actual value...
1374 CPP=`eval "echo $CPP"`
1375 changequote(, )dnl
1376 eval `${CPP} -Isrc ${tempcname} \
1377 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1378 if test "x$SPECIFIED_CFLAGS" = x; then
1379 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1380 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1381 else
1382 REAL_CFLAGS="$CFLAGS"
1383 fi
1384 changequote([, ])dnl
1385 rm ${tempcname}
1387 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1389 ### Compute the unexec source name from the object name.
1390 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1392 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1393 # Assume not, until told otherwise.
1394 GNU_MALLOC=yes
1395 doug_lea_malloc=yes
1396 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1397 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1398 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1399 emacs_cv_var___after_morecore_hook,
1400 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1401 emacs_cv_var___after_morecore_hook=yes,
1402 emacs_cv_var___after_morecore_hook=no))
1403 if test $emacs_cv_var___after_morecore_hook = no; then
1404 doug_lea_malloc=no
1405 fi
1406 if test "${system_malloc}" = "yes"; then
1407 GNU_MALLOC=no
1408 GNU_MALLOC_reason="
1409 (The GNU allocators don't work with this system configuration.)"
1410 fi
1411 if test "$doug_lea_malloc" = "yes" ; then
1412 if test "$GNU_MALLOC" = yes ; then
1413 GNU_MALLOC_reason="
1414 (Using Doug Lea's new malloc from the GNU C Library.)"
1415 fi
1416 AC_DEFINE(DOUG_LEA_MALLOC)
1417 fi
1419 if test x"${REL_ALLOC}" = x; then
1420 REL_ALLOC=${GNU_MALLOC}
1421 fi
1423 LISP_FLOAT_TYPE=yes
1426 #### Add the libraries to LIBS and check for some functions.
1428 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1429 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1430 else
1431 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1432 fi
1434 LIBS="$libsrc_libs $LIBS"
1436 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1437 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1438 AC_CHECK_LIB(dnet, dnet_ntoa)
1439 dnl This causes -lresolv to get used in subsequent tests,
1440 dnl which causes failures on some systems such as HPUX 9.
1441 dnl AC_CHECK_LIB(resolv, gethostbyname)
1443 dnl FIXME replace main with a function we actually want from this library.
1444 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1446 AC_CHECK_LIB(pthreads, cma_open)
1448 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1449 if test -d /usr/X386/include; then
1450 HAVE_XFREE386=yes
1451 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1452 else
1453 HAVE_XFREE386=no
1454 fi
1455 AC_MSG_RESULT($HAVE_XFREE386)
1457 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1458 # for the tests that follow. We set it back to REAL_CFLAGS later on.
1460 if test "${HAVE_X11}" = "yes"; then
1461 DEFS="$C_SWITCH_X_SITE $DEFS"
1462 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1463 LIBS="$LIBX $LIBS"
1464 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1466 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1467 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1468 # but it's more convenient here to set LD_RUN_PATH
1469 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1470 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1471 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1472 export LD_RUN_PATH
1473 fi
1475 if test "${opsys}" = "gnu-linux"; then
1476 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1477 AC_TRY_LINK([],
1478 [XOpenDisplay ("foo");],
1479 [xlinux_first_failure=no],
1480 [xlinux_first_failure=yes])
1481 if test "${xlinux_first_failure}" = "yes"; then
1482 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1483 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1484 OLD_CPPFLAGS="$CPPFLAGS"
1485 OLD_LIBS="$LIBS"
1486 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1487 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1488 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1489 LIBS="$LIBS -b i486-linuxaout"
1490 AC_TRY_LINK([],
1491 [XOpenDisplay ("foo");],
1492 [xlinux_second_failure=no],
1493 [xlinux_second_failure=yes])
1494 if test "${xlinux_second_failure}" = "yes"; then
1495 # If we get the same failure with -b, there is no use adding -b.
1496 # So take it out. This plays safe.
1497 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1498 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1499 CPPFLAGS="$OLD_CPPFLAGS"
1500 LIBS="$OLD_LIBS"
1501 AC_MSG_RESULT(no)
1502 else
1503 AC_MSG_RESULT(yes)
1504 fi
1505 else
1506 AC_MSG_RESULT(no)
1507 fi
1508 fi
1510 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1511 XScreenNumberOfScreen XSetWMProtocols)
1512 fi
1514 if test "${window_system}" = "x11"; then
1515 AC_MSG_CHECKING(X11 version 6)
1516 AC_CACHE_VAL(emacs_cv_x11_version_6,
1517 AC_TRY_LINK([#include <X11/Xlib.h>],
1518 [#if XlibSpecificationRelease < 6
1519 fail;
1520 #endif
1521 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1522 if test $emacs_cv_x11_version_6 = yes; then
1523 AC_MSG_RESULT(6 or newer)
1524 AC_DEFINE(HAVE_X11R6)
1525 else
1526 AC_MSG_RESULT(before 6)
1527 fi
1528 fi
1530 if test "${window_system}" = "x11"; then
1531 AC_MSG_CHECKING(X11 version 5)
1532 AC_CACHE_VAL(emacs_cv_x11_version_5,
1533 AC_TRY_LINK([#include <X11/Xlib.h>],
1534 [#if XlibSpecificationRelease < 5
1535 fail;
1536 #endif
1537 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1538 if test $emacs_cv_x11_version_5 = yes; then
1539 AC_MSG_RESULT(5 or newer)
1540 HAVE_X11R5=yes
1541 AC_DEFINE(HAVE_X11R5)
1542 else
1543 HAVE_X11R5=no
1544 AC_MSG_RESULT(before 5)
1545 fi
1546 fi
1548 dnl Do not put whitespace before the #include statements below.
1549 dnl Older compilers (eg sunos4 cc) choke on it.
1550 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1551 if test x"${HAVE_X11R5}" = xyes; then
1552 AC_MSG_CHECKING(X11 version 5 with Xaw)
1553 AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1554 AC_TRY_LINK([
1555 #include <X11/Intrinsic.h>
1556 #include <X11/Xaw/Simple.h>],
1557 [],
1558 emacs_cv_x11_version_5_with_xaw=yes,
1559 emacs_cv_x11_version_5_with_xaw=no))
1560 if test $emacs_cv_x11_version_5_with_xaw = yes; then
1561 AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1562 USE_X_TOOLKIT=LUCID
1563 else
1564 AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1565 USE_X_TOOLKIT=none
1566 fi
1567 else
1568 USE_X_TOOLKIT=none
1569 fi
1570 fi
1572 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1574 if test "${USE_X_TOOLKIT}" != "none"; then
1575 AC_MSG_CHECKING(X11 toolkit version)
1576 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1577 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1578 [#if XtSpecificationRelease < 6
1579 fail;
1580 #endif
1581 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1582 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1583 if test $emacs_cv_x11_toolkit_version_6 = yes; then
1584 AC_MSG_RESULT(6 or newer)
1585 AC_DEFINE(HAVE_X11XTR6)
1586 else
1587 AC_MSG_RESULT(before 6)
1588 fi
1590 dnl If using toolkit, check whether libXmu.a exists.
1591 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1592 OLDLIBS="$LIBS"
1593 if test x$HAVE_X11XTR6 = xyes; then
1594 LIBS="-lXt -lSM -lICE $LIBS"
1595 else
1596 LIBS="-lXt $LIBS"
1597 fi
1598 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1599 LIBS="$OLDLIBS"
1600 fi
1602 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1603 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1604 AC_TRY_COMPILE([#include <Xm/Xm.h>],
1605 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1606 int x = 5;
1607 #else
1608 Motif version prior to 2.1.
1609 #endif],
1610 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1611 HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1612 if test $emacs_cv_motif_version_2_1 = yes; then
1613 AC_DEFINE(HAVE_MOTIF_2_1)
1614 AC_CHECK_LIB(Xp, XpCreateContext)
1615 fi
1616 fi
1618 ### Is -lXaw3d available?
1619 HAVE_XAW3D=no
1620 if test "${HAVE_X11}" = "yes"; then
1621 if test "${USE_X_TOOLKIT}" != "none"; then
1622 old_c_flags="${CFLAGS}"
1623 CFLAGS="${LD_SWITCH_X_SITE}"
1624 AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1625 AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1626 CFLAGS="${old_c_flags}"
1628 if test "${HAVE_XAW3D}" = "yes"; then
1629 AC_DEFINE(HAVE_XAW3D)
1630 fi
1631 fi
1632 fi
1634 dnl Use toolkit scroll bars if configured for X toolkit and either
1635 dnl using Motif or Xaw3d is available, and unless
1636 dnl --with-toolkit-scroll-bars=no was specified.
1638 USE_TOOLKIT_SCROLL_BARS=no
1639 if test "${with_toolkit_scroll_bars}" != "no"; then
1640 if test "${USE_X_TOOLKIT}" != "none"; then
1641 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1642 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1643 HAVE_XAW3D=no
1644 USE_TOOLKIT_SCROLL_BARS=yes
1645 elif test "${HAVE_XAW3D}" = "yes"; then
1646 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1647 USE_TOOLKIT_SCROLL_BARS=yes
1648 fi
1649 fi
1650 fi
1652 ### Use -lXpm if available, unless `--with-xpm=no'.
1653 HAVE_XPM=no
1654 if test "${HAVE_X11}" = "yes"; then
1655 if test "${with_xpm}" != "no"; then
1656 old_c_flags="${CFLAGS}"
1657 CFLAGS="${LD_SWITCH_X_SITE}"
1658 AC_CHECK_HEADER(X11/xpm.h,
1659 AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1660 CFLAGS="${old_c_flags}"
1661 fi
1663 if test "${HAVE_XPM}" = "yes"; then
1664 AC_DEFINE(HAVE_XPM)
1665 fi
1666 fi
1668 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1669 HAVE_JPEG=no
1670 if test "${HAVE_X11}" = "yes"; then
1671 if test "${with_jpeg}" != "no"; then
1672 old_c_flags="${CFLAGS}"
1673 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1674 AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11)
1675 CFLAGS="${old_c_flags}"
1676 fi
1678 if test "${HAVE_JPEG}" = "yes"; then
1679 AC_DEFINE(HAVE_JPEG)
1680 fi
1681 fi
1683 ### Use -lpng if available, unless `--with-png=no'.
1684 HAVE_PNG=no
1685 if test "${HAVE_X11}" = "yes"; then
1686 if test "${with_png}" != "no"; then
1687 old_c_flags="${CFLAGS}"
1688 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1689 AC_CHECK_HEADER(png.h,
1690 AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1691 CFLAGS="${old_c_flags}"
1692 fi
1694 if test "${HAVE_PNG}" = "yes"; then
1695 AC_DEFINE(HAVE_PNG)
1696 fi
1697 fi
1699 ### Use -ltiff if available, unless `--with-tiff=no'.
1700 HAVE_TIFF=no
1701 if test "${HAVE_X11}" = "yes"; then
1702 if test "${with_tiff}" != "no"; then
1703 old_c_flags="${CFLAGS}"
1704 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1705 AC_CHECK_HEADER(tiffio.h,
1706 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11 -lm))
1707 CFLAGS="${old_c_flags}"
1708 fi
1710 if test "${HAVE_TIFF}" = "yes"; then
1711 AC_DEFINE(HAVE_TIFF)
1712 fi
1713 fi
1715 ### Use -lgif if available, unless `--with-gif=no'.
1716 HAVE_GIF=no
1717 if test "${HAVE_X11}" = "yes"; then
1718 if test "${with_gif}" != "no"; then
1719 old_c_flags="${CFLAGS}"
1720 CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1721 AC_CHECK_HEADER(gif_lib.h,
1722 AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
1723 CFLAGS="${old_c_flags}"
1724 fi
1726 if test "${HAVE_GIF}" = "yes"; then
1727 AC_DEFINE(HAVE_GIF)
1728 fi
1729 fi
1731 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1732 AC_CACHE_CHECK(whether netdb declares h_errno,
1733 emacs_cv_netdb_declares_h_errno,
1734 AC_TRY_LINK([#include <netdb.h>],
1735 [return h_errno;],
1736 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1737 if test $emacs_cv_netdb_declares_h_errno = yes; then
1738 AC_DEFINE(HAVE_H_ERRNO)
1739 fi
1741 AC_FUNC_ALLOCA
1743 # fmod, logb, and frexp are found in -lm on most systems.
1744 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1745 AC_CHECK_LIB(m, sqrt)
1747 # Check for mail-locking functions in a "mail" library
1748 AC_CHECK_LIB(mail, maillock)
1749 dnl Debian, at least:
1750 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1751 AC_CHECK_LIB(lockfile, maillock)
1752 # If we have the shared liblockfile, assume we must use it for mail
1753 # locking (e.g. Debian). If we couldn't link against liblockfile
1754 # (no liblockfile.a installed), ensure that we don't need to.
1755 if test "$ac_cv_lib_lockfile_maillock" = no; then
1756 dnl This works for files generally, not just executables.
1757 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
1758 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1759 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1760 if test $ac_cv_prog_liblockfile = yes; then
1761 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1762 This probably means that movemail could lose mail.
1763 There may be a \`development' package to install containing liblockfile.])
1764 else AC_DEFINE(LIBMAIL, -llockfile)
1765 fi
1766 else :
1767 fi
1768 AC_CHECK_FUNCS(touchlock)
1769 AC_CHECK_HEADERS(maillock.h)
1771 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1772 rename closedir mkdir rmdir sysinfo \
1773 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1774 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1775 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo)
1777 # Check this now, so that we will NOT find the above functions in ncurses.
1778 # That is because we have not set up to link ncurses in lib-src.
1779 # It's better to believe a function is not available
1780 # than to expect to find it in ncurses.
1781 AC_CHECK_LIB(ncurses, tparm)
1783 # Solaris requires -lintl if you want strerror (which calls dgettext)
1784 # to return localized messages.
1785 AC_CHECK_LIB(intl, dgettext)
1787 AC_MSG_CHECKING(whether localtime caches TZ)
1788 AC_CACHE_VAL(emacs_cv_localtime_cache,
1789 [if test x$ac_cv_func_tzset = xyes; then
1790 AC_TRY_RUN([#include <time.h>
1791 #if STDC_HEADERS
1792 # include <stdlib.h>
1793 #endif
1794 extern char **environ;
1795 unset_TZ ()
1796 {
1797 char **from, **to;
1798 for (to = from = environ; (*to = *from); from++)
1799 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1800 to++;
1801 }
1802 char TZ_GMT0[] = "TZ=GMT0";
1803 char TZ_PST8[] = "TZ=PST8";
1804 main()
1805 {
1806 time_t now = time ((time_t *) 0);
1807 int hour_GMT0, hour_unset;
1808 if (putenv (TZ_GMT0) != 0)
1809 exit (1);
1810 hour_GMT0 = localtime (&now)->tm_hour;
1811 unset_TZ ();
1812 hour_unset = localtime (&now)->tm_hour;
1813 if (putenv (TZ_PST8) != 0)
1814 exit (1);
1815 if (localtime (&now)->tm_hour == hour_GMT0)
1816 exit (1);
1817 unset_TZ ();
1818 if (localtime (&now)->tm_hour != hour_unset)
1819 exit (1);
1820 exit (0);
1821 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1822 [# If we have tzset, assume the worst when cross-compiling.
1823 emacs_cv_localtime_cache=yes])
1824 else
1825 # If we lack tzset, report that localtime does not cache TZ,
1826 # since we can't invalidate the cache if we don't have tzset.
1827 emacs_cv_localtime_cache=no
1828 fi])dnl
1829 AC_MSG_RESULT($emacs_cv_localtime_cache)
1830 if test $emacs_cv_localtime_cache = yes; then
1831 AC_DEFINE(LOCALTIME_CACHE)
1832 fi
1834 if test "x$HAVE_TIMEVAL" = xyes; then
1835 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1836 emacs_cv_gettimeofday_two_arguments,
1837 AC_TRY_LINK([
1838 #ifdef TIME_WITH_SYS_TIME
1839 #include <sys/time.h>
1840 #include <time.h>
1841 #else
1842 #ifdef HAVE_SYS_TIME_H
1843 #include <sys/time.h>
1844 #else
1845 #include <time.h>
1846 #endif
1847 #endif
1848 ],
1849 [
1850 struct timeval time;
1851 struct timezone dummy;
1852 gettimeofday (&time, &dummy);
1853 ],
1854 emacs_cv_gettimeofday_two_arguments=yes,
1855 emacs_cv_gettimeofday_two_arguments=no))
1856 if test $emacs_cv_gettimeofday_two_arguments = no; then
1857 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1858 fi
1859 fi
1861 ok_so_far=yes
1862 AC_CHECK_FUNC(socket, , ok_so_far=no)
1863 if test $ok_so_far = yes; then
1864 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1865 fi
1866 if test $ok_so_far = yes; then
1867 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1868 fi
1869 if test $ok_so_far = yes; then
1870 AC_DEFINE(HAVE_INET_SOCKETS)
1871 fi
1873 if test -f /usr/lpp/X11/bin/smt.exp; then
1874 AC_DEFINE(HAVE_AIX_SMT_EXP)
1875 fi
1877 # Set up the CFLAGS for real compilation, so we can substitute it.
1878 CFLAGS="$REAL_CFLAGS"
1880 changequote(, )dnl
1881 #### Find out which version of Emacs this is.
1882 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
1883 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1884 changequote([, ])dnl
1885 if test x"${version}" = x; then
1886 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1887 fi
1889 ### Specify what sort of things we'll be editing into Makefile and config.h.
1890 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1891 AC_SUBST(version)
1892 AC_SUBST(configuration)
1893 AC_SUBST(canonical)
1894 AC_SUBST(srcdir)
1895 AC_SUBST(prefix)
1896 AC_SUBST(exec_prefix)
1897 AC_SUBST(bindir)
1898 AC_SUBST(datadir)
1899 AC_SUBST(sharedstatedir)
1900 AC_SUBST(libexecdir)
1901 AC_SUBST(mandir)
1902 AC_SUBST(infodir)
1903 AC_SUBST(lispdir)
1904 AC_SUBST(locallisppath)
1905 AC_SUBST(lisppath)
1906 AC_SUBST(x_default_search_path)
1907 AC_SUBST(etcdir)
1908 AC_SUBST(archlibdir)
1909 AC_SUBST(docdir)
1910 AC_SUBST(bitmapdir)
1911 AC_SUBST(c_switch_system)
1912 AC_SUBST(c_switch_machine)
1913 AC_SUBST(LD_SWITCH_X_SITE)
1914 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1915 AC_SUBST(C_SWITCH_X_SITE)
1916 AC_SUBST(CFLAGS)
1917 AC_SUBST(X_TOOLKIT_TYPE)
1918 AC_SUBST(machfile)
1919 AC_SUBST(opsysfile)
1920 AC_SUBST(RANLIB)
1922 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
1923 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1924 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
1925 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1926 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1927 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1928 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
1929 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
1931 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1932 AC_DEFINE(HAVE_X_WINDOWS)
1933 fi
1934 if test "${USE_X_TOOLKIT}" != "none" ; then
1935 AC_DEFINE(USE_X_TOOLKIT)
1936 fi
1937 if test "${HAVE_X11}" = "yes" ; then
1938 AC_DEFINE(HAVE_X11)
1939 fi
1940 if test "${HAVE_XFREE386}" = "yes" ; then
1941 AC_DEFINE(HAVE_XFREE386)
1942 fi
1943 if test "${HAVE_MENUS}" = "yes" ; then
1944 AC_DEFINE(HAVE_MENUS)
1945 fi
1946 if test "${GNU_MALLOC}" = "yes" ; then
1947 AC_DEFINE(GNU_MALLOC)
1948 fi
1949 if test "${REL_ALLOC}" = "yes" ; then
1950 AC_DEFINE(REL_ALLOC)
1951 fi
1952 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1953 AC_DEFINE(LISP_FLOAT_TYPE)
1954 fi
1956 #### Report on what we decided to do.
1957 echo "
1958 Configured for \`${canonical}'.
1960 Where should the build process find the source code? ${srcdir}
1961 What operating system and machine description files should Emacs use?
1962 \`${opsysfile}' and \`${machfile}'
1963 What compiler should emacs be built with? ${CC} ${CFLAGS}
1964 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
1965 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
1966 What window system should Emacs use? ${window_system}
1967 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
1969 if test -n "${x_includes}"; then
1970 echo " Where do we find X Windows header files? ${x_includes}"
1971 else
1972 echo " Where do we find X Windows header files? Standard dirs"
1973 fi
1974 if test -n "${x_libraries}"; then
1975 echo " Where do we find X Windows libraries? ${x_libraries}"
1976 else
1977 echo " Where do we find X Windows libraries? Standard dirs"
1978 fi
1980 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
1981 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
1982 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
1983 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
1984 echo " Does Emacs use -lungif? ${HAVE_GIF}"
1985 echo " Does Emacs use -lpng? ${HAVE_PNG}"
1986 echo " Does Emacs use X toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
1987 echo
1989 # Remove any trailing slashes in these variables.
1990 changequote(, )dnl
1991 test "${prefix}" != NONE &&
1992 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1993 test "${exec_prefix}" != NONE &&
1994 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1995 changequote([, ])dnl
1997 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1998 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
1999 leim/Makefile, [
2001 ### Make the necessary directories, if they don't exist.
2002 for dir in etc lisp ; do
2003 test -d ${dir} || mkdir ${dir}
2004 done
2006 # Build src/Makefile from ${srcdir}/src/Makefile.c
2007 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2008 # This must be done after src/config.h is built, since we rely on that file.
2010 changequote(, )dnl The horror, the horror.
2011 # Now get this: Some word that is part of the ${srcdir} directory name
2012 # or the ${configuration} value might, just might, happen to be an
2013 # identifier like `sun4' or `i386' or something, and be predefined by
2014 # the C preprocessor to some helpful value like 1, or maybe the empty
2015 # string. Needless to say consequent macro substitutions are less
2016 # than conducive to the makefile finding the correct directory.
2017 undefs="`echo $top_srcdir $configuration $canonical |
2018 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
2019 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2020 `"
2021 changequote([, ])dnl
2023 echo creating src/epaths.h
2024 make epaths-force
2026 echo creating lib-src/Makefile
2027 ( cd lib-src
2028 rm -f junk.c junk1.c junk2.c
2029 sed -e '/start of cpp stuff/q' \
2030 < Makefile.c > junk1.c
2031 sed -e '1,/start of cpp stuff/d'\
2032 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2033 < Makefile.c > junk.c
2034 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2035 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2036 cat junk1.c junk2.c > Makefile.new
2037 rm -f junk.c junk1.c junk2.c
2038 chmod 444 Makefile.new
2039 mv -f Makefile.new Makefile
2040 )
2042 echo creating src/Makefile
2043 ( cd src
2044 rm -f junk.c junk1.c junk2.c
2045 sed -e '/start of cpp stuff/q' \
2046 < Makefile.c > junk1.c
2047 sed -e '1,/start of cpp stuff/d'\
2048 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2049 < Makefile.c > junk.c
2050 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2051 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2052 cat junk1.c junk2.c > Makefile.new
2053 rm -f junk.c junk1.c junk2.c
2054 chmod 444 Makefile.new
2055 mv -f Makefile.new Makefile
2056 )
2058 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2059 echo creating src/.gdbinit
2060 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2061 fi
2063 # This is how we know whether to re-run configure in certain cases.
2064 touch src/config.stamp
2066 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])