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[gnu-emacs] / configure.in
1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
3 dnl autoconf
4 dnl in the directory containing this script.
5 dnl
6 dnl Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003,
7 dnl 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
8 dnl
9 dnl This file is part of GNU Emacs.
10 dnl
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
15 dnl
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
20 dnl
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
23
24 AC_PREREQ(2.61)
25 AC_INIT(emacs, 23.0.60)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
28
29 dnl Support for --program-prefix, --program-suffix and
30 dnl --program-transform-name options
31 AC_ARG_PROGRAM
32
33 lispdir='${datadir}/emacs/${version}/lisp'
34 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
35 '${datadir}/emacs/site-lisp'
36 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
37 etcdir='${datadir}/emacs/${version}/etc'
38 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
39 docdir='${datadir}/emacs/${version}/etc'
40 gamedir='${localstatedir}/games/emacs'
41
42 gameuser=games
43
44 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
45 dnl Create a new --with option that defaults to being disabled.
46 dnl NAME is the base name of the option. The shell variable with_NAME
47 dnl will be set to either the user's value (if the option is
48 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
49 dnl option is not specified). Note that the shell variable name is
50 dnl constructed as autoconf does, by replacing non-alphanumeric
51 dnl characters with "_".
52 dnl HELP-STRING is the help text for the option.
53 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
54 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
55 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
56 ])dnl
57
58 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
59 dnl Create a new --with option that defaults to being enabled. NAME
60 dnl is the base name of the option. The shell variable with_NAME
61 dnl will be set either to 'no' (for a plain --without-NAME) or to
62 dnl 'yes' (if the option is not specified). Note that the shell
63 dnl variable name is constructed as autoconf does, by replacing
64 dnl non-alphanumeric characters with "_".
65 dnl HELP-STRING is the help text for the option.
66 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
67 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
68 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
69 ])dnl
70
71 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
72 if test "$with_pop" = yes; then
73 AC_DEFINE(MAIL_USE_POP)
74 fi
75 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
76
77 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
78 if test "$with_kerberos" != no; then
79 AC_DEFINE(KERBEROS)
80 fi
81 AH_TEMPLATE(KERBEROS,
82 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
83
84 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
85 if test "${with_kerberos5}" != no; then
86 if test "${with_kerberos}" = no; then
87 with_kerberos=yes
88 AC_DEFINE(KERBEROS)
89 fi
90 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
91 fi
92
93 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
94 if test "$with_hesiod" != no; then
95 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
96 fi
97
98 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
99
100 OPTION_DEFAULT_ON([sync-input],[Process async input synchronously])
101 if test "$with_sync_input" = yes; then
102 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
103 fi
104
105 dnl FIXME currently it is not the last.
106 dnl This should be the last --with option, because --with-x is
107 dnl added later on when we find the path of X, and it's best to
108 dnl keep them together visually.
109 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
110 [use an X toolkit (KIT one of: yes, lucid, athena, motif, gtk, no)])],
111 [ case "${withval}" in
112 y | ye | yes ) val=gtk ;;
113 n | no ) val=no ;;
114 l | lu | luc | luci | lucid ) val=lucid ;;
115 a | at | ath | athe | athen | athena ) val=athena ;;
116 m | mo | mot | moti | motif ) val=motif ;;
117 g | gt | gtk ) val=gtk ;;
118 * )
119 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
120 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
121 `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
122 ;;
123 esac
124 with_x_toolkit=$val
125 ])
126
127 dnl _ON results in a '--without' option in the --help output, so
128 dnl the help text should refer to "don't compile", etc.
129 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
130 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
131 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
132 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
133 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
134 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
135
136 OPTION_DEFAULT_ON([freetype],[don't use Freetype for local font support])
137 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
138 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
139 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
140
141 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
142 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
143 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
144 OPTION_DEFAULT_OFF([ns],[use nextstep (Cocoa or GNUstep) windowing system])
145
146 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
147 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
148
149 ## For the times when you want to build Emacs but don't have
150 ## a suitable makeinfo, and can live without the manuals.
151 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
152 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
153
154 dnl Can remove these in Emacs 24.
155 AC_ARG_WITH([gtk],,
156 [AC_MSG_ERROR([--with-gtk has been removed. Use --with-x-toolkit to
157 specify a toolkit.])],,)
158
159 AC_ARG_WITH([gcc],,
160 [AC_MSG_ERROR([--with-gcc has been removed. Set the `CC' environment
161 variable to specify a compiler.])],,)
162
163 AC_ARG_WITH([pkg-config-prog],dnl
164 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
165 [Path to pkg-config for finding GTK and librsvg])])
166 if test "X${with_pkg_config_prog}" != X; then
167 if test "${with_pkg_config_prog}" != yes; then
168 PKG_CONFIG="${with_pkg_config_prog}"
169 fi
170 fi
171
172 AC_ARG_ENABLE(cocoa-experimental-ctrl-g,
173 [AS_HELP_STRING([--enable-cocoa-experimental-ctrl-g],
174 [enable experimental improved ctrl-g recognition])],
175 EN_COCOA_EXPERIMENTAL_CTRL_G=$enableval,
176 EN_COCOA_EXPERIMENTAL_CTRL_G=no)
177
178 AC_ARG_ENABLE(ns-self-contained,
179 [AS_HELP_STRING([--disable-ns-self-contained],
180 [disable self contained build under NeXTstep])],
181 EN_NS_SELF_CONTAINED=$enableval,
182 EN_NS_SELF_CONTAINED=yes)
183
184 AC_ARG_ENABLE(asserts,
185 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
186 USE_XASSERTS=$enableval,
187 USE_XASSERTS=no)
188
189 AC_ARG_ENABLE(maintainer-mode,
190 [AS_HELP_STRING([--enable-maintainer-mode],
191 [enable make rules and dependencies not useful (and sometimes
192 confusing) to the casual installer])],
193 USE_MAINTAINER_MODE=$enableval,
194 USE_MAINTAINER_MODE=no)
195 if test $USE_MAINTAINER_MODE = yes; then
196 MAINT=
197 else
198 MAINT=#
199 fi
200 AC_SUBST(MAINT)
201
202 AC_ARG_ENABLE(locallisppath,
203 [AS_HELP_STRING([--enable-locallisppath=PATH],
204 [directories Emacs should search for lisp files specific
205 to this site])],
206 if test "${enableval}" = "no"; then
207 locallisppath=
208 elif test "${enableval}" != "yes"; then
209 locallisppath=${enableval}
210 fi)
211
212 #### Make srcdir absolute, if it isn't already. It's important to
213 #### avoid running the path through pwd unnecessarily, since pwd can
214 #### give you automounter prefixes, which can go away. We do all this
215 #### so Emacs can find its files when run uninstalled.
216 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
217 unset CDPATH
218 case "${srcdir}" in
219 /* ) ;;
220 . )
221 ## We may be able to use the $PWD environment variable to make this
222 ## absolute. But sometimes PWD is inaccurate.
223 ## Note: we used to use ${PWD} at the end instead of `pwd`,
224 ## but that tested only for a well-formed and valid PWD,
225 ## it did not object when PWD was well-formed and valid but just wrong.
226 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
227 then
228 srcdir="$PWD"
229 else
230 srcdir="`(cd ${srcdir}; pwd)`"
231 fi
232 ;;
233 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
234 esac
235
236 #### Check if the source directory already has a configured system in it.
237 if test `pwd` != `(cd ${srcdir} && pwd)` \
238 && test -f "${srcdir}/src/config.h" ; then
239 AC_MSG_WARN([[The directory tree `${srcdir}' is being used
240 as a build directory right now; it has been configured in its own
241 right. To configure in another directory as well, you MUST
242 use GNU make. If you do not have GNU make, then you must
243 now do `make distclean' in ${srcdir},
244 and then run $0 again.]])
245 fi
246
247 #### Given the configuration name, set machfile and opsysfile to the
248 #### names of the m/*.h and s/*.h files we should use.
249
250 ### Canonicalize the configuration name.
251
252 AC_CANONICAL_HOST
253 canonical=$host
254 configuration=${host_alias-${build_alias-$host}}
255
256 dnl This used to use changequote, but, apart from `changequote is evil'
257 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
258 dnl the great gob of text. Thus it's not processed for possible expansion.
259 dnl Just make sure the brackets remain balanced.
260 dnl
261 dnl Since Emacs can't find matching pairs of quotes, boundaries are
262 dnl indicated by comments.
263 dnl quotation begins
264 [
265
266 ### If you add support for a new configuration, add code to this
267 ### switch statement to recognize your configuration name and select
268 ### the appropriate operating system and machine description files.
269
270 ### You would hope that you could choose an m/*.h file pretty much
271 ### based on the machine portion of the configuration name, and an s-
272 ### file based on the operating system portion. However, it turns out
273 ### that each m/*.h file is pretty manufacturer-specific - for
274 ### example mips.h is MIPS
275 ### So we basically have to have a special case for each
276 ### configuration name.
277 ###
278 ### As far as handling version numbers on operating systems is
279 ### concerned, make sure things will fail in a fixable way. If
280 ### /etc/MACHINES doesn't say anything about version numbers, be
281 ### prepared to handle anything reasonably. If version numbers
282 ### matter, be sure /etc/MACHINES says something about it.
283 ###
284 ### Eric Raymond says we should accept strings like "sysvr4" to mean
285 ### "System V Release 4"; he writes, "The old convention encouraged
286 ### confusion between `system' and `release' levels'."
287
288 machine='' opsys='' unported=no
289 case "${canonical}" in
290
291 ## FreeBSD ports
292 *-*-freebsd* )
293 opsys=freebsd
294 case "${canonical}" in
295 alpha*-*-freebsd*) machine=alpha ;;
296 arm*-*-freebsd*) machine=arm ;;
297 ia64-*-freebsd*) machine=ia64 ;;
298 sparc-*-freebsd*) machine=sparc ;;
299 sparc64-*-freebsd*) machine=sparc ;;
300 powerpc-*-freebsd*) machine=macppc ;;
301 i[3456]86-*-freebsd*) machine=intel386 ;;
302 amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
303 esac
304 ;;
305
306 ## FreeBSD kernel + glibc based userland
307 *-*-kfreebsd*gnu* )
308 opsys=gnu-kfreebsd
309 case "${canonical}" in
310 alpha*-*-kfreebsd*) machine=alpha ;;
311 ia64-*-kfreebsd*) machine=ia64 ;;
312 sparc-*-kfreebsd*) machine=sparc ;;
313 sparc64-*-kfreebsd*) machine=sparc ;;
314 powerpc-*-kfreebsd*) machine=macppc ;;
315 i[3456]86-*-kfreebsd*) machine=intel386 ;;
316 amd64-*-kfreebsd*|x86_64-*-kfreebsd*) machine=amdx86-64 ;;
317 esac
318 ;;
319
320 ## NetBSD ports
321 *-*-netbsd* )
322 opsys=netbsd
323 if test -f /usr/lib/crti.o; then]
324 dnl The close and open brackets here are because this section is quoted --
325 dnl see the `changequote' comment above.
326 AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
327 [ fi
328
329 case "${canonical}" in
330 alpha*-*-netbsd*) machine=alpha ;;
331 i[3456]86-*-netbsd*) machine=intel386 ;;
332 powerpc-*-netbsd*) machine=macppc ;;
333 sparc*-*-netbsd*) machine=sparc ;;
334 vax-*-netbsd*) machine=vax ;;
335 arm-*-netbsd*) machine=arm ;;
336 x86_64-*-netbsd*) machine=amdx86-64 ;;
337 hppa-*-netbsd*) machine=hp800 ;;
338 esac
339 ;;
340
341 ## OpenBSD ports
342 *-*-openbsd* )
343 opsys=openbsd
344 case "${canonical}" in
345 alpha*-*-openbsd*) machine=alpha ;;
346 arm-*-openbsd*) machine=arm ;;
347 i386-*-openbsd*) machine=intel386 ;;
348 powerpc-*-openbsd*) machine=macppc ;;
349 sparc*-*-openbsd*) machine=sparc ;;
350 vax-*-openbsd*) machine=vax ;;
351 x86_64-*-openbsd*) machine=amdx86-64 ;;
352 esac
353 ;;
354
355 ## LynxOS ports
356 *-*-lynxos* )
357 opsys=lynxos
358 case "${canonical}" in
359 i[3456]86-*-lynxos*) machine=intel386 ;;
360 powerpc-*-lynxos*) machine=powerpc ;;
361 esac
362 ;;
363
364 alpha*-*-linux-gnu* )
365 machine=alpha opsys=gnu-linux
366 ;;
367
368 arm*-*-linux-gnu* )
369 machine=arm opsys=gnu-linux
370 ;;
371
372 ## Apple Darwin / Mac OS X
373 *-apple-darwin* )
374 case "${canonical}" in
375 i[3456]86-* ) machine=intel386 ;;
376 powerpc-* ) machine=macppc ;;
377 * ) unported=yes ;;
378 esac
379 opsys=darwin
380 # Define CPP as follows to make autoconf work correctly.
381 CPP="${CC-cc} -E -no-cpp-precomp"
382 # Use fink packages if available.
383 if test -d /sw/include && test -d /sw/lib; then
384 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
385 CPP="${CPP} ${GCC_TEST_OPTIONS}"
386 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
387 fi
388 ;;
389
390 ## HP 9000 series 700 and 800, running HP/UX
391 hppa*-hp-hpux10.2* )
392 machine=hp800 opsys=hpux10-20
393 ;;
394 hppa*-hp-hpux1[1-9]* )
395 machine=hp800 opsys=hpux11
396 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
397 ;;
398
399 hppa*-*-linux-gnu* )
400 machine=hp800 opsys=gnu-linux
401 ;;
402
403 ## IBM machines
404 s390-*-linux-gnu* )
405 machine=ibms390 opsys=gnu-linux
406 ;;
407 s390x-*-linux-gnu* )
408 machine=ibms390x opsys=gnu-linux
409 ;;
410 rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2* )
411 machine=ibmrs6000 opsys=aix4-2
412 ;;
413 rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3* )
414 machine=ibmrs6000 opsys=aix4-2
415 ;;
416 rs6000-ibm-aix5* | powerpc-ibm-aix5* )
417 machine=ibmrs6000 opsys=aix4-2
418 ;;
419 rs6000-ibm-aix5* | powerpc-ibm-aix6* )
420 machine=ibmrs6000 opsys=aix4-2
421 ;;
422
423 ## Macintosh PowerPC
424 powerpc*-*-linux-gnu* )
425 machine=macppc opsys=gnu-linux
426 ;;
427
428 ## Silicon Graphics machines
429 ## Iris 4D
430 mips-sgi-irix6.5 )
431 machine=iris4d opsys=irix6-5
432 # Without defining _LANGUAGE_C, things get masked out in the headers
433 # so that, for instance, grepping for `free' in stdlib.h fails and
434 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
435 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
436 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
437 ;;
438
439 ## Suns
440 sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
441 machine=sparc opsys=gnu-linux
442 ;;
443
444 *-sun-solaris* \
445 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
446 | rs6000-*-solaris2*)
447 case "${canonical}" in
448 i[3456]86-*-* ) machine=intel386 ;;
449 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
450 powerpc* | rs6000* ) machine=ibmrs6000 ;;
451 sparc* ) machine=sparc ;;
452 * ) unported=yes ;;
453 esac
454 case "${canonical}" in
455 *-sunos5.3* | *-solaris2.3* )
456 opsys=sol2-3
457 NON_GNU_CPP=/usr/ccs/lib/cpp
458 ;;
459 *-sunos5.4* | *-solaris2.4* )
460 opsys=sol2-4
461 NON_GNU_CPP=/usr/ccs/lib/cpp
462 RANLIB="ar -ts"
463 ;;
464 *-sunos5.5* | *-solaris2.5* )
465 opsys=sol2-5
466 NON_GNU_CPP=/usr/ccs/lib/cpp
467 RANLIB="ar -ts"
468 ;;
469 *-sunos5.6* | *-solaris2.6* )
470 opsys=sol2-6
471 NON_GNU_CPP=/usr/ccs/lib/cpp
472 RANLIB="ar -ts"
473 ;;
474 *-sunos5* | *-solaris* )
475 opsys=sol2-6
476 emacs_check_sunpro_c=yes
477 NON_GNU_CPP=/usr/ccs/lib/cpp
478 ;;
479 esac
480 ## Watch out for a compiler that we know will not work.
481 case "${canonical}" in
482 *-solaris* | *-sunos5* )
483 if [ "x$CC" = x/usr/ucb/cc ]; then
484 ## /usr/ucb/cc doesn't work;
485 ## we should find some other compiler that does work.
486 unset CC
487 fi
488 ;;
489 *) ;;
490 esac
491 ;;
492
493 ## Vaxen.
494 vax-dec-* )
495 machine=vax
496 case "${canonical}" in
497 *-vms* ) opsys=vms ;;
498 * ) unported=yes
499 esac
500 ;;
501
502 ## IA-64
503 ia64*-*-linux* )
504 machine=ia64 opsys=gnu-linux
505 ;;
506
507 ## Intel 386 machines where we don't care about the manufacturer
508 i[3456]86-*-* )
509 machine=intel386
510 case "${canonical}" in
511 *-cygwin ) opsys=cygwin ;;
512 *-darwin* ) opsys=darwin
513 CPP="${CC-cc} -E -no-cpp-precomp"
514 ;;
515 *-linux-gnu* ) opsys=gnu-linux ;;
516 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
517 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
518 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
519 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
520 esac
521 ;;
522
523 ## m68k Linux-based GNU system
524 m68k-*-linux-gnu* )
525 machine=m68k opsys=gnu-linux
526 ;;
527
528 ## Mips Linux-based GNU system
529 mips-*-linux-gnu* | mipsel-*-linux-gnu* )
530 machine=mips opsys=gnu-linux
531 ;;
532
533 ## AMD x86-64 Linux-based GNU system
534 x86_64-*-linux-gnu* )
535 machine=amdx86-64 opsys=gnu-linux
536 ;;
537
538 ## Tensilica Xtensa Linux-based GNU system
539 xtensa*-*-linux-gnu* )
540 machine=xtensa opsys=gnu-linux
541 ;;
542
543 ## SuperH Linux-based GNU system
544 sh[34]*-*-linux-gnu* )
545 machine=sh3 opsys=gnu-linux
546 ;;
547
548 * )
549 unported=yes
550 ;;
551 esac
552
553 ### If the code above didn't choose an operating system, just choose
554 ### an operating system based on the configuration name. You really
555 ### only want to use this when you have no idea what the right
556 ### operating system is; if you know what operating systems a machine
557 ### runs, it's cleaner to make it explicit in the case statement
558 ### above.
559 if test x"${opsys}" = x; then
560 case "${canonical}" in
561 *-gnu* ) opsys=gnu ;;
562 *-sysv4.2uw* ) opsys=unixware ;;
563 *-sysv5uw* ) opsys=unixware ;;
564 *-sysv5OpenUNIX* ) opsys=unixware ;;
565 *-sysv4.1* | *-sysvr4.1* )
566 NON_GNU_CPP=/usr/lib/cpp
567 opsys=usg5-4 ;;
568 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
569 if [ x$NON_GNU_CPP = x ]; then
570 if [ -f /usr/ccs/lib/cpp ]; then
571 NON_GNU_CPP=/usr/ccs/lib/cpp
572 else
573 NON_GNU_CPP=/lib/cpp
574 fi
575 fi
576 opsys=usg5-4-2 ;;
577 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
578 * )
579 unported=yes
580 ;;
581 esac
582 fi
583
584 ]
585 dnl quotation ends
586
587 if test $unported = yes; then
588 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
589 Check `etc/MACHINES' for recognized configuration names.])
590 fi
591
592 machfile="m/${machine}.h"
593 opsysfile="s/${opsys}.h"
594
595
596 #### Choose a compiler.
597 test -n "$CC" && cc_specified=yes
598
599 # Save the value of CFLAGS that the user specified.
600 SPECIFIED_CFLAGS="$CFLAGS"
601
602 dnl Sets GCC=yes if using gcc.
603 AC_PROG_CC
604
605 # On Suns, sometimes $CPP names a directory.
606 if test -n "$CPP" && test -d "$CPP"; then
607 CPP=
608 fi
609
610 ## If not using gcc, and on Solaris, and no CPP specified, see if
611 ## using a Sun compiler, which needs -Xs to prevent whitespace.
612 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
613 test x"$CPP" = x; then
614 AC_MSG_CHECKING([whether we are using a Sun C compiler])
615 AC_CACHE_VAL(emacs_cv_sunpro_c,
616 [AC_TRY_LINK([],
617 [#ifndef __SUNPRO_C
618 fail;
619 #endif
620 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
621 AC_MSG_RESULT($emacs_cv_sunpro_c)
622
623 if test x"$emacs_cv_sunpro_c" = xyes; then
624 NON_GNU_CPP="$CC -E -Xs"
625 fi
626 fi
627
628 #### Some systems specify a CPP to use unless we are using GCC.
629 #### Now that we know whether we are using GCC, we can decide whether
630 #### to use that one.
631 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
632 then
633 CPP="$NON_GNU_CPP"
634 fi
635
636 #### Some systems specify a CC to use unless we are using GCC.
637 #### Now that we know whether we are using GCC, we can decide whether
638 #### to use that one.
639 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
640 test x$cc_specified != xyes
641 then
642 CC="$NON_GNU_CC"
643 fi
644
645 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
646 then
647 CC="$CC $GCC_TEST_OPTIONS"
648 fi
649
650 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
651 then
652 CC="$CC $NON_GCC_TEST_OPTIONS"
653 fi
654
655 dnl checks for Unix variants
656 AC_USE_SYSTEM_EXTENSIONS
657
658 ### Use -Wno-pointer-sign if the compiler supports it
659 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
660 SAVE_CFLAGS="$CFLAGS"
661 CFLAGS="$CFLAGS -Wno-pointer-sign"
662 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
663 if test $has_option = yes; then
664 C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
665 fi
666 AC_MSG_RESULT($has_option)
667 CFLAGS="$SAVE_CFLAGS"
668 unset has_option
669 unset SAVE_CFLAGS
670
671 #### Some other nice autoconf tests.
672
673 dnl checks for programs
674 AC_PROG_LN_S
675 AC_PROG_CPP
676 AC_PROG_INSTALL
677 if test "x$RANLIB" = x; then
678 AC_PROG_RANLIB
679 fi
680 AC_PATH_PROG(INSTALL_INFO, install-info)
681 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
682 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
683 dnl Don't use GZIP, which is used by gzip for additional parameters.
684 AC_PATH_PROG(GZIP_PROG, gzip)
685
686
687 ## Need makeinfo >= 4.6 (?) to build the manuals.
688 AC_PATH_PROG(MAKEINFO, makeinfo, no)
689 dnl By this stage, configure has already checked for egrep and set EGREP,
690 dnl or exited with an error if no egrep was found.
691 if test "$MAKEINFO" != "no" && \
692 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
693 MAKEINFO=no
694 fi
695
696 ## Makeinfo is unusual. For a released Emacs, the manuals are
697 ## pre-built, and not deleted by the normal clean rules. makeinfo is
698 ## therefore in the category of "special tools" not normally required, which
699 ## configure does not have to check for (eg autoconf itself).
700 ## In a CVS checkout on the other hand, the manuals are not included.
701 ## So makeinfo is a requirement to build from CVS, and configure
702 ## should test for it as it does for any other build requirement.
703 ## We use the presence of $srcdir/info/emacs to distinguish a release,
704 ## with pre-built manuals, from a CVS checkout.
705 if test "$MAKEINFO" = "no"; then
706 if test "x${with_makeinfo}" = "xno"; then
707 MAKEINFO=off
708 elif ! test -e $srcdir/info/emacs; then
709 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
710 source tree does not seem to have pre-built manuals in the `info' directory.
711 Either install a suitable version of makeinfo, or re-run configure
712 with the `--without-makeinfo' option to build without the manuals.] )
713 fi
714 fi
715
716 dnl Add our options to ac_link now, after it is set up.
717
718 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
719 then
720 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
721 fi
722
723 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
724 then
725 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
726 fi
727
728 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
729 dnl If we can link with the flag, it shouldn't do any harm anyhow.
730 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
731 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
732 dnl if not built to support GNU ld.
733
734 late_LDFLAGS=$LDFLAGS
735 if test "$GCC" = yes; then
736 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
737 else
738 LDFLAGS="$LDFLAGS -znocombreloc"
739 fi
740
741 AC_MSG_CHECKING([for -znocombreloc])
742 AC_LINK_IFELSE([main(){return 0;}],
743 [AC_MSG_RESULT(yes)],
744 LDFLAGS=$late_LDFLAGS
745 [AC_MSG_RESULT(no)])
746
747 #### Extract some information from the operating system and machine files.
748
749 AC_CHECKING([the machine- and system-dependent files to find out
750 - which libraries the lib-src programs will want, and
751 - whether the GNU malloc routines are usable])
752
753 ### First figure out CFLAGS (which we use for running the compiler here)
754 ### and REAL_CFLAGS (which we use for real compilation).
755 ### The two are the same except on a few systems, where they are made
756 ### different to work around various lossages. For example,
757 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
758 ### as implying static linking.
759
760 ### If the CFLAGS env var is specified, we use that value
761 ### instead of the default.
762
763 ### It's not important that this name contain the PID; you can't run
764 ### two configures in the same directory and have anything work
765 ### anyway.
766 tempcname="conftest.c"
767
768 echo '
769 #include "'${srcdir}'/src/'${opsysfile}'"
770 #include "'${srcdir}'/src/'${machfile}'"
771 #ifndef LIBS_MACHINE
772 #define LIBS_MACHINE
773 #endif
774 #ifndef LIBS_SYSTEM
775 #define LIBS_SYSTEM
776 #endif
777 #ifndef C_SWITCH_SYSTEM
778 #define C_SWITCH_SYSTEM
779 #endif
780 #ifndef C_SWITCH_MACHINE
781 #define C_SWITCH_MACHINE
782 #endif
783 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
784 configure___ c_switch_system=C_SWITCH_SYSTEM
785 configure___ c_switch_machine=C_SWITCH_MACHINE
786
787 #ifndef LIB_X11_LIB
788 #define LIB_X11_LIB -lX11
789 #endif
790
791 #ifndef LIBX11_SYSTEM
792 #define LIBX11_SYSTEM
793 #endif
794 configure___ LIBX=LIB_X11_LIB LIBX11_SYSTEM
795
796 #ifdef UNEXEC
797 configure___ unexec=UNEXEC
798 #else
799 configure___ unexec=unexec.o
800 #endif
801
802 #ifdef SYSTEM_MALLOC
803 configure___ system_malloc=yes
804 #else
805 configure___ system_malloc=no
806 #endif
807
808 #ifdef USE_MMAP_FOR_BUFFERS
809 configure___ use_mmap_for_buffers=yes
810 #else
811 configure___ use_mmap_for_buffers=no
812 #endif
813
814 #ifndef C_DEBUG_SWITCH
815 #define C_DEBUG_SWITCH -g
816 #endif
817
818 #ifndef C_OPTIMIZE_SWITCH
819 #ifdef __GNUC__
820 #define C_OPTIMIZE_SWITCH -O2
821 #else
822 #define C_OPTIMIZE_SWITCH -O
823 #endif
824 #endif
825
826 #ifndef C_WARNINGS_SWITCH
827 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
828 #endif
829
830 #ifndef LD_SWITCH_MACHINE
831 #define LD_SWITCH_MACHINE
832 #endif
833
834 #ifndef LD_SWITCH_SYSTEM
835 #define LD_SWITCH_SYSTEM
836 #endif
837
838 #ifndef LD_SWITCH_X_SITE_AUX
839 #define LD_SWITCH_X_SITE_AUX
840 #endif
841
842 configure___ ld_switch_system=LD_SWITCH_SYSTEM
843 configure___ ld_switch_machine=LD_SWITCH_MACHINE
844
845 #ifdef THIS_IS_CONFIGURE
846
847 /* Get the CFLAGS for tests in configure. */
848 #ifdef __GNUC__
849 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
850 #else
851 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
852 #endif
853
854 #else /* not THIS_IS_CONFIGURE */
855
856 /* Get the CFLAGS for real compilation. */
857 #ifdef __GNUC__
858 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
859 #else
860 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
861 #endif
862
863 #endif /* not THIS_IS_CONFIGURE */
864 ' > ${tempcname}
865
866 # The value of CPP is a quoted variable reference, so we need to do this
867 # to get its actual value...
868 CPP=`eval "echo $CPP"`
869 [eval `${CPP} -Isrc ${tempcname} \
870 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
871 if test "x$SPECIFIED_CFLAGS" = x; then
872 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
873 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
874 else
875 REAL_CFLAGS="$CFLAGS"
876 fi]
877 rm ${tempcname}
878
879 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
880
881 ### Make sure subsequent tests use flags consistent with the build flags.
882
883 if test x"${OVERRIDE_CPPFLAGS}" != x; then
884 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
885 else
886 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
887 fi
888
889 dnl For AC_FUNC_GETLOADAVG, at least:
890 AC_CONFIG_LIBOBJ_DIR(src)
891
892 dnl Do this early because it can frob feature test macros for Unix-98 &c.
893 AC_SYS_LARGEFILE
894
895
896 ### The standard library on x86-64 and s390x GNU/Linux distributions can
897 ### be located in either /usr/lib64 or /usr/lib.
898 case "${canonical}" in
899 x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
900 if test -d /usr/lib64; then
901 AC_DEFINE(HAVE_LIB64_DIR, 1,
902 [Define to 1 if the directory /usr/lib64 exists.])
903 fi
904 esac
905
906 dnl This function defintion taken from Gnome 2.0
907 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
908 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
909 dnl also defines GSTUFF_PKG_ERRORS on error
910 AC_DEFUN([PKG_CHECK_MODULES], [
911 succeeded=no
912
913 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
914
915 if test "$PKG_CONFIG" = "no" ; then
916 ifelse([$4], , [AC_MSG_ERROR([
917 *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
918 else
919 PKG_CONFIG_MIN_VERSION=0.9.0
920 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
921 AC_MSG_CHECKING(for $2)
922
923 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
924 AC_MSG_RESULT(yes)
925 succeeded=yes
926
927 AC_MSG_CHECKING($1_CFLAGS)
928 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
929 AC_MSG_RESULT($$1_CFLAGS)
930
931 AC_MSG_CHECKING($1_LIBS)
932 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
933 AC_MSG_RESULT($$1_LIBS)
934 else
935 AC_MSG_RESULT(no)
936 $1_CFLAGS=""
937 $1_LIBS=""
938 ## If we have a custom action on failure, don't print errors, but
939 ## do set a variable so people can do so.
940 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
941 ifelse([$4], ,echo $$1_PKG_ERRORS,)
942 fi
943
944 AC_SUBST($1_CFLAGS)
945 AC_SUBST($1_LIBS)
946 else
947 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
948 echo "*** See http://www.freedesktop.org/software/pkgconfig"
949 fi
950 fi
951
952 if test $succeeded = yes; then
953 ifelse([$3], , :, [$3])
954 else
955 ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
956 fi
957 ])
958
959
960 if test "${with_sound}" != "no"; then
961 # Sound support for GNU/Linux and the free BSDs.
962 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
963 # Emulation library used on NetBSD.
964 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
965 AC_SUBST(LIBSOUND)
966
967 ALSA_REQUIRED=1.0.0
968 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
969 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
970 if test $HAVE_ALSA = yes; then
971 SAVE_CFLAGS="$CFLAGS"
972 SAVE_LDFLAGS="$LDFLAGS"
973 CFLAGS="$ALSA_CFLAGS $CFLAGS"
974 LDFLAGS="$ALSA_LIBS $LDFLAGS"
975 AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
976 emacs_alsa_normal=yes,
977 emacs_alsa_normal=no)
978 if test "$emacs_alsa_normal" != yes; then
979 AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
980 [snd_lib_error_set_handler (0);],
981 emacs_alsa_subdir=yes,
982 emacs_alsa_subdir=no)
983 if test "$emacs_alsa_subdir" != yes; then
984 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
985 fi
986 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
987 fi
988
989 CFLAGS="$SAVE_CFLAGS"
990 LDFLAGS="$SAVE_LDFLAGS"
991 LIBSOUND="$LIBSOUND $ALSA_LIBS"
992 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
993 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
994 fi
995 AC_SUBST(CFLAGS_SOUND)
996 fi
997
998 dnl checks for header files
999 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1000 linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1001 termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1002 sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1003 sys/utsname.h pwd.h)
1004
1005 AC_MSG_CHECKING(if personality LINUX32 can be set)
1006 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1007 emacs_cv_personality_linux32=yes,
1008 emacs_cv_personality_linux32=no)
1009 AC_MSG_RESULT($emacs_cv_personality_linux32)
1010
1011 if test $emacs_cv_personality_linux32 = yes; then
1012 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1013 [Define to 1 if personality LINUX32 can be set.])
1014 fi
1015
1016 dnl On Solaris 8 there's a compilation warning for term.h because
1017 dnl it doesn't define `bool'.
1018 AC_CHECK_HEADERS(term.h, , , -)
1019 AC_HEADER_STDC
1020 AC_HEADER_TIME
1021 AC_CHECK_DECLS([sys_siglist])
1022 if test $ac_cv_have_decl_sys_siglist != yes; then
1023 # For Tru64, at least:
1024 AC_CHECK_DECLS([__sys_siglist])
1025 if test $ac_cv_have_decl___sys_siglist = yes; then
1026 AC_DEFINE(sys_siglist, __sys_siglist,
1027 [Define to any substitute for sys_siglist.])
1028 fi
1029 fi
1030 AC_HEADER_SYS_WAIT
1031
1032 dnl Some systems have utime.h but don't declare the struct anyplace.
1033 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1034 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1035 #include <sys/time.h>
1036 #include <time.h>
1037 #else
1038 #ifdef HAVE_SYS_TIME_H
1039 #include <sys/time.h>
1040 #else
1041 #include <time.h>
1042 #endif
1043 #endif
1044 #ifdef HAVE_UTIME_H
1045 #include <utime.h>
1046 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1047 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1048 if test $emacs_cv_struct_utimbuf = yes; then
1049 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1050 fi
1051
1052 dnl checks for typedefs
1053 AC_TYPE_SIGNAL
1054
1055 dnl Check for speed_t typedef.
1056 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1057 [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1058 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1059 if test $emacs_cv_speed_t = yes; then
1060 AC_DEFINE(HAVE_SPEED_T, 1,
1061 [Define to 1 if `speed_t' is declared by <termios.h>.])
1062 fi
1063
1064 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1065 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1066 #include <sys/time.h>
1067 #include <time.h>
1068 #else
1069 #ifdef HAVE_SYS_TIME_H
1070 #include <sys/time.h>
1071 #else
1072 #include <time.h>
1073 #endif
1074 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1075 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1076 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1077 if test $emacs_cv_struct_timeval = yes; then
1078 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1079 fi
1080
1081 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1082 AC_TRY_COMPILE([#include <math.h>],
1083 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1084 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1085 HAVE_EXCEPTION=$emacs_cv_struct_exception
1086 if test $emacs_cv_struct_exception != yes; then
1087 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1088 fi
1089
1090 AC_CHECK_HEADERS(sys/socket.h)
1091 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1092 #if HAVE_SYS_SOCKET_H
1093 #include <sys/socket.h>
1094 #endif])
1095
1096 dnl checks for structure members
1097 AC_STRUCT_TM
1098 AC_STRUCT_TIMEZONE
1099 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1100 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1101 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1102 [#include <time.h>])
1103 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1104 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1105 struct ifreq.ifr_addr], , ,
1106 [AC_INCLUDES_DEFAULT
1107 #if HAVE_SYS_SOCKET_H
1108 #include <sys/socket.h>
1109 #endif
1110 #if HAVE_NET_IF_H
1111 #include <net/if.h>
1112 #endif])
1113
1114 dnl checks for compiler characteristics
1115
1116 dnl Testing __STDC__ to determine prototype support isn't good enough.
1117 dnl DEC C, for instance, doesn't define it with default options, and
1118 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1119 dnl and void *.
1120 AC_C_PROTOTYPES
1121 AC_C_VOLATILE
1122 AC_C_CONST
1123 dnl This isn't useful because we can't turn on use of `inline' unless
1124 dnl the compiler groks `extern inline'.
1125 dnl AC_C_INLINE
1126 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1127 [AC_TRY_COMPILE(, [void * foo;],
1128 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1129 if test $emacs_cv_void_star = yes; then
1130 AC_DEFINE(POINTER_TYPE, void)
1131 else
1132 AC_DEFINE(POINTER_TYPE, char)
1133 fi
1134 AH_TEMPLATE(POINTER_TYPE,
1135 [Define as `void' if your compiler accepts `void *'; otherwise
1136 define as `char'.])dnl
1137
1138
1139
1140 dnl This could be used for targets which can have both byte sexes.
1141 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1142 dnl AC_C_BIGENDIAN
1143
1144 dnl check for Make feature
1145 AC_PROG_MAKE_SET
1146
1147 dnl checks for operating system services
1148 AC_SYS_LONG_FILE_NAMES
1149
1150 #### Choose a window system.
1151
1152 AC_PATH_X
1153 if test "$no_x" = yes; then
1154 window_system=none
1155 else
1156 window_system=x11
1157 fi
1158
1159 ## Workaround for bug in autoconf <= 2.62.
1160 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1161 ## No need to do anything special for these standard directories.
1162 ## This is an experiment, take it out if it causes problems.
1163 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1164
1165 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1166
1167 fi
1168
1169 if test "${x_libraries}" != NONE; then
1170 if test -n "${x_libraries}"; then
1171 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1172 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1173 fi
1174 x_default_search_path=""
1175 x_search_path=${x_libraries}
1176 if test -z "${x_search_path}"; then
1177 x_search_path=/usr/lib
1178 fi
1179 for x_library in `echo ${x_search_path}: | \
1180 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1181 x_search_path="\
1182 ${x_library}/X11/%L/%T/%N%C%S:\
1183 ${x_library}/X11/%l/%T/%N%C%S:\
1184 ${x_library}/X11/%T/%N%C%S:\
1185 ${x_library}/X11/%L/%T/%N%S:\
1186 ${x_library}/X11/%l/%T/%N%S:\
1187 ${x_library}/X11/%T/%N%S"
1188 if test x"${x_default_search_path}" = x; then
1189 x_default_search_path=${x_search_path}
1190 else
1191 x_default_search_path="${x_search_path}:${x_default_search_path}"
1192 fi
1193 done
1194 fi
1195 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1196 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1197 fi
1198
1199 if test x"${x_includes}" = x; then
1200 bitmapdir=/usr/include/X11/bitmaps
1201 else
1202 # accumulate include directories that have X11 bitmap subdirectories
1203 bmd_acc="dummyval"
1204 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1205 if test -d "${bmd}/X11/bitmaps"; then
1206 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1207 fi
1208 if 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 ${bmd_acc} | sed -e "s/^dummyval://"`
1214 fi
1215 fi
1216
1217 HAVE_NS=no
1218 NS_IMPL_COCOA=no
1219 NS_IMPL_GNUSTEP=no
1220 tmp_CPPFLAGS="$CPPFLAGS"
1221 tmp_CFLAGS="$CFLAGS"
1222 CPPFLAGS="$CPPFLAGS -x objective-c"
1223 CFLAGS="$CFLAGS -x objective-c"
1224 if test "${with_ns}" != no; then
1225 if test "${opsys}" = darwin; then
1226 NS_IMPL_COCOA=yes
1227 ns_appdir=`pwd`/nextstep/Emacs.app
1228 ns_appbindir=`pwd`/nextstep/Emacs.app/Contents/MacOS
1229 ns_appresdir=`pwd`/nextstep/Emacs.app/Contents/Resources
1230 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1231 elif test -f /etc/GNUstep/GNUstep.conf; then
1232 NS_IMPL_GNUSTEP=yes
1233 ns_appdir=`pwd`/nextstep/Emacs.app
1234 ns_appbindir=`pwd`/nextstep/Emacs.app
1235 ns_appresdir=`pwd`/nextstep/Emacs.app/Resources
1236 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1237 GNUSTEP_MAKEFILES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_MAKEFILES)"
1238 GNUSTEP_SYSTEM_HEADERS="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_HEADERS)"
1239 GNUSTEP_SYSTEM_LIBRARIES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1240 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1241 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1242 REAL_CFLAGS="$REAL_CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1243 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES}"
1244 fi
1245 AC_CHECK_HEADER(AppKit/AppKit.h, HAVE_NS=yes)
1246 NS_HAVE_NSINTEGER=yes
1247 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1248 [NSInteger i;])],
1249 ns_have_nsinteger=yes,
1250 ns_have_nsinteger=no)
1251 if test $ns_have_nsinteger = no; then
1252 NS_HAVE_NSINTEGER=no
1253 fi
1254 fi
1255 if test "${HAVE_NS}" = yes; then
1256 window_system=nextstep
1257 with_xft=no
1258 with_freetype=no
1259 # set up packaging dirs
1260 exec_prefix=${ns_appbindir}
1261 libexecdir=${ns_appbindir}/libexec
1262 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1263 prefix=${ns_appresdir}
1264 fi
1265 fi
1266 CFLAGS="$tmp_CFLAGS"
1267 CPPFLAGS="$tmp_CPPFLAGS"
1268
1269 case "${window_system}" in
1270 x11 )
1271 HAVE_X_WINDOWS=yes
1272 HAVE_X11=yes
1273 case "${with_x_toolkit}" in
1274 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1275 motif ) USE_X_TOOLKIT=MOTIF ;;
1276 gtk ) with_gtk=yes
1277 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1278 dnl USE_X_TOOLKIT is set.
1279 USE_X_TOOLKIT=none ;;
1280 no ) USE_X_TOOLKIT=none ;;
1281 dnl If user did not say whether to use a toolkit, make this decision later:
1282 dnl use the toolkit if we have gtk, or X11R5 or newer.
1283 * ) USE_X_TOOLKIT=maybe ;;
1284 esac
1285 ;;
1286 nextstep | none )
1287 HAVE_X_WINDOWS=no
1288 HAVE_X11=no
1289 USE_X_TOOLKIT=none
1290 ;;
1291 esac
1292
1293 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1294 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1295 if test "$HAVE_XSERVER" = true ||
1296 test -n "$DISPLAY" ||
1297 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1298 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1299 were found. You should install the relevant development files for X
1300 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1301 sure you have development files for image handling, i.e.
1302 tiff, gif, jpeg, png and xpm.
1303 If you are sure you want Emacs compiled without X window support, pass
1304 --without-x
1305 to configure.])
1306 fi
1307 fi
1308
1309 ### If we're using X11, we should use the X menu package.
1310 HAVE_MENUS=no
1311 case ${HAVE_X11} in
1312 yes ) HAVE_MENUS=yes ;;
1313 esac
1314
1315 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1316 # Assume not, until told otherwise.
1317 GNU_MALLOC=yes
1318 doug_lea_malloc=yes
1319 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1320 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1321 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1322 emacs_cv_var___after_morecore_hook,
1323 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1324 emacs_cv_var___after_morecore_hook=yes,
1325 emacs_cv_var___after_morecore_hook=no)])
1326 if test $emacs_cv_var___after_morecore_hook = no; then
1327 doug_lea_malloc=no
1328 fi
1329 if test "${system_malloc}" = "yes"; then
1330 GNU_MALLOC=no
1331 GNU_MALLOC_reason="
1332 (The GNU allocators don't work with this system configuration.)"
1333 fi
1334 if test "$doug_lea_malloc" = "yes" ; then
1335 if test "$GNU_MALLOC" = yes ; then
1336 GNU_MALLOC_reason="
1337 (Using Doug Lea's new malloc from the GNU C Library.)"
1338 fi
1339 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1340 [Define to 1 if you are using the GNU C Library.])
1341 fi
1342
1343 if test x"${REL_ALLOC}" = x; then
1344 REL_ALLOC=${GNU_MALLOC}
1345 fi
1346
1347 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1348 dnl the system configuration file (s/*.h) to turn the use of mmap
1349 dnl in the relocating allocator on.
1350
1351 AC_FUNC_MMAP
1352 if test $use_mmap_for_buffers = yes; then
1353 REL_ALLOC=no
1354 fi
1355
1356 LIBS="$libsrc_libs $LIBS"
1357
1358 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1359 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1360 AC_CHECK_LIB(dnet, dnet_ntoa)
1361 dnl This causes -lresolv to get used in subsequent tests,
1362 dnl which causes failures on some systems such as HPUX 9.
1363 dnl AC_CHECK_LIB(resolv, gethostbyname)
1364
1365 dnl FIXME replace main with a function we actually want from this library.
1366 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1367
1368 AC_CHECK_LIB(pthreads, cma_open)
1369
1370 dnl Check for need for bigtoc support on IBM AIX
1371
1372 case ${host_os} in
1373 aix*)
1374 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1375 case $GCC in
1376 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1377 *) gdb_cv_bigtoc=-bbigtoc ;;
1378 esac
1379
1380 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1381 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1382 ])
1383 ;;
1384 esac
1385
1386 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1387 # used for the tests that follow. We set them back to REAL_CFLAGS and
1388 # REAL_CPPFLAGS later on.
1389
1390 REAL_CPPFLAGS="$CPPFLAGS"
1391
1392 if test "${HAVE_X11}" = "yes"; then
1393 DEFS="$C_SWITCH_X_SITE $DEFS"
1394 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1395 LIBS="$LIBX $LIBS"
1396 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1397 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1398
1399 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1400 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1401 # but it's more convenient here to set LD_RUN_PATH
1402 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1403 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1404 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1405 export LD_RUN_PATH
1406 fi
1407
1408 if test "${opsys}" = "gnu-linux"; then
1409 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1410 AC_TRY_LINK([],
1411 [XOpenDisplay ("foo");],
1412 [xlinux_first_failure=no],
1413 [xlinux_first_failure=yes])
1414 if test "${xlinux_first_failure}" = "yes"; then
1415 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1416 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1417 OLD_CPPFLAGS="$CPPFLAGS"
1418 OLD_LIBS="$LIBS"
1419 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1420 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1421 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1422 LIBS="$LIBS -b i486-linuxaout"
1423 AC_TRY_LINK([],
1424 [XOpenDisplay ("foo");],
1425 [xlinux_second_failure=no],
1426 [xlinux_second_failure=yes])
1427 if test "${xlinux_second_failure}" = "yes"; then
1428 # If we get the same failure with -b, there is no use adding -b.
1429 # So take it out. This plays safe.
1430 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1431 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1432 CPPFLAGS="$OLD_CPPFLAGS"
1433 LIBS="$OLD_LIBS"
1434 AC_MSG_RESULT(no)
1435 else
1436 AC_MSG_RESULT(yes)
1437 fi
1438 else
1439 AC_MSG_RESULT(no)
1440 fi
1441 fi
1442
1443 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1444 # header files included from there.
1445 AC_MSG_CHECKING(for Xkb)
1446 AC_TRY_LINK([#include <X11/Xlib.h>
1447 #include <X11/XKBlib.h>],
1448 [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1449 emacs_xkb=yes, emacs_xkb=no)
1450 AC_MSG_RESULT($emacs_xkb)
1451 if test $emacs_xkb = yes; then
1452 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1453 fi
1454
1455 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1456 XScreenNumberOfScreen XSetWMProtocols)
1457 fi
1458
1459 if test "${window_system}" = "x11"; then
1460 AC_MSG_CHECKING(X11 version 6)
1461 AC_CACHE_VAL(emacs_cv_x11_version_6,
1462 [AC_TRY_LINK([#include <X11/Xlib.h>],
1463 [#if XlibSpecificationRelease < 6
1464 fail;
1465 #endif
1466 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1467 if test $emacs_cv_x11_version_6 = yes; then
1468 AC_MSG_RESULT(6 or newer)
1469 AC_DEFINE(HAVE_X11R6, 1,
1470 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1471 else
1472 AC_MSG_RESULT(before 6)
1473 fi
1474 fi
1475
1476
1477 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1478 HAVE_RSVG=no
1479 if test "${HAVE_X11}" = "yes"; then
1480 if test "${with_rsvg}" != "no"; then
1481 RSVG_REQUIRED=2.0.0
1482 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1483
1484 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, :, :)
1485 AC_SUBST(RSVG_CFLAGS)
1486 AC_SUBST(RSVG_LIBS)
1487
1488 if test ".${RSVG_CFLAGS}" != "."; then
1489 HAVE_RSVG=yes
1490 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1491 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1492 LIBS="$RSVG_LIBS $LIBS"
1493 fi
1494 fi
1495 fi
1496
1497
1498 HAVE_GTK=no
1499 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1500 GLIB_REQUIRED=2.6
1501 GTK_REQUIRED=2.6
1502 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1503
1504 dnl Checks for libraries.
1505 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1506 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1507 AC_MSG_ERROR($GTK_PKG_ERRORS)
1508 fi
1509 fi
1510
1511
1512 if test x"$pkg_check_gtk" = xyes; then
1513
1514 AC_SUBST(GTK_CFLAGS)
1515 AC_SUBST(GTK_LIBS)
1516 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1517 CFLAGS="$CFLAGS $GTK_CFLAGS"
1518 LIBS="$GTK_LIBS $LIBS"
1519 dnl Try to compile a simple GTK program.
1520 GTK_COMPILES=no
1521 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1522 if test "${GTK_COMPILES}" != "yes"; then
1523 if test "$USE_X_TOOLKIT" != "maybe"; then
1524 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1525 fi
1526 else
1527 HAVE_GTK=yes
1528 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1529 USE_X_TOOLKIT=none
1530 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1531 :
1532 else
1533 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1534 closing open displays. This is no problem if you just use
1535 one display, but if you use more than one and close one of them
1536 Emacs may crash.]])
1537 sleep 3
1538 fi
1539 fi
1540
1541 fi
1542
1543
1544 if test "${HAVE_GTK}" = "yes"; then
1545
1546 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1547 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1548 if test "$with_toolkit_scroll_bars" != no; then
1549 with_toolkit_scroll_bars=yes
1550 fi
1551
1552 dnl Check if we can use multiple displays with this GTK version.
1553 dnl If gdk_display_open exists, assume all others are there also.
1554 HAVE_GTK_MULTIDISPLAY=no
1555 AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
1556 if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
1557 AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
1558 [Define to 1 if GTK can handle more than one display.])
1559 fi
1560
1561 dnl Check if we have the old file selection dialog.
1562 dnl If gdk_display_open exists, assume all others are there also.
1563 HAVE_GTK_FILE_SELECTION=no
1564 AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
1565
1566 dnl Check if we have the new file chooser dialog
1567 dnl If gdk_display_open exists, assume all others are there also.
1568 HAVE_GTK_FILE_CHOOSER=no
1569 AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
1570
1571 if test "$HAVE_GTK_FILE_SELECTION" = yes \
1572 && test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1573 AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
1574 [Define to 1 if GTK has both file selection and chooser dialog.])
1575 fi
1576
1577 dnl Check if pthreads are available. Emacs only needs this when using
1578 dnl gtk_file_chooser under Gnome.
1579 if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1580 HAVE_GTK_AND_PTHREAD=no
1581 AC_CHECK_HEADERS(pthread.h)
1582 if test "$ac_cv_header_pthread_h"; then
1583 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1584 fi
1585 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1586 case "${canonical}" in
1587 *-hpux*) ;;
1588 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1589 esac
1590 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1591 [Define to 1 if you have GTK and pthread (-lpthread).])
1592 fi
1593 fi
1594 fi
1595
1596 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1597 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1598 dnl also not configured.
1599 HAVE_DBUS=no
1600 if test "${with_dbus}" = "yes"; then
1601 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1602 if test "$HAVE_DBUS" = yes; then
1603 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1604 fi
1605 fi
1606
1607 dnl Do not put whitespace before the #include statements below.
1608 dnl Older compilers (eg sunos4 cc) choke on it.
1609 HAVE_XAW3D=no
1610 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
1611 if test "$with_xaw3d" != no; then
1612 AC_MSG_CHECKING(for xaw3d)
1613 AC_CACHE_VAL(emacs_cv_xaw3d,
1614 [AC_TRY_LINK([
1615 #include <X11/Intrinsic.h>
1616 #include <X11/Xaw3d/Simple.h>],
1617 [],
1618 emacs_cv_xaw3d=yes,
1619 emacs_cv_xaw3d=no)])
1620 else
1621 emacs_cv_xaw3d=no
1622 fi
1623 if test $emacs_cv_xaw3d = yes; then
1624 AC_MSG_RESULT([yes; using Lucid toolkit])
1625 USE_X_TOOLKIT=LUCID
1626 HAVE_XAW3D=yes
1627 AC_DEFINE(HAVE_XAW3D, 1,
1628 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
1629 else
1630 AC_MSG_RESULT(no)
1631 AC_MSG_CHECKING(for libXaw)
1632 AC_CACHE_VAL(emacs_cv_xaw,
1633 [AC_TRY_LINK([
1634 #include <X11/Intrinsic.h>
1635 #include <X11/Xaw/Simple.h>],
1636 [],
1637 emacs_cv_xaw=yes,
1638 emacs_cv_xaw=no)])
1639 if test $emacs_cv_xaw = yes; then
1640 AC_MSG_RESULT([yes; using Lucid toolkit])
1641 USE_X_TOOLKIT=LUCID
1642 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
1643 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
1644 else
1645 AC_MSG_RESULT([no; do not use toolkit by default])
1646 USE_X_TOOLKIT=none
1647 fi
1648 fi
1649 fi
1650
1651 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1652
1653 if test "${USE_X_TOOLKIT}" != "none"; then
1654 AC_MSG_CHECKING(X11 toolkit version)
1655 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1656 [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1657 [#if XtSpecificationRelease < 6
1658 fail;
1659 #endif
1660 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1661 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1662 if test $emacs_cv_x11_toolkit_version_6 = yes; then
1663 AC_MSG_RESULT(6 or newer)
1664 AC_DEFINE(HAVE_X11XTR6, 1,
1665 [Define to 1 if you have the X11R6 or newer version of Xt.])
1666 else
1667 AC_MSG_RESULT(before 6)
1668 fi
1669
1670 dnl If using toolkit, check whether libXmu.a exists.
1671 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1672 OLDLIBS="$LIBS"
1673 if test x$HAVE_X11XTR6 = xyes; then
1674 LIBS="-lXt -lSM -lICE $LIBS"
1675 else
1676 LIBS="-lXt $LIBS"
1677 fi
1678 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1679 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1680 fi
1681
1682 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1683 if test "${HAVE_X11}" = "yes"; then
1684 if test "${USE_X_TOOLKIT}" != "none"; then
1685 AC_CHECK_LIB(Xext, XShapeQueryExtension)
1686 fi
1687 fi
1688
1689 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1690 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1691 [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1692 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1693 int x = 5;
1694 #else
1695 Motif version prior to 2.1.
1696 #endif],
1697 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1698 HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1699 if test $emacs_cv_motif_version_2_1 = yes; then
1700 HAVE_LIBXP=no
1701 AC_DEFINE(HAVE_MOTIF_2_1, 1,
1702 [Define to 1 if you have Motif 2.1 or newer.])
1703 AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1704 if test ${HAVE_LIBXP} = yes; then
1705 AC_DEFINE(HAVE_LIBXP, 1,
1706 [Define to 1 if you have the Xp library (-lXp).])
1707 fi
1708 else
1709 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
1710 # We put this in CFLAGS temporarily to precede other -I options
1711 # that might be in CFLAGS temporarily.
1712 # We put this in CPPFLAGS where it precedes the other -I options.
1713 OLD_CPPFLAGS=$CPPFLAGS
1714 OLD_CFLAGS=$CFLAGS
1715 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
1716 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
1717 [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
1718 [int x = 5;],
1719 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
1720 if test $emacs_cv_lesstif = yes; then
1721 # Make sure this -I option remains in CPPFLAGS after it is set
1722 # back to REAL_CPPFLAGS.
1723 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
1724 # have those other -I options anyway. Ultimately, having this
1725 # directory ultimately in CPPFLAGS will be enough.
1726 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
1727 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
1728 else
1729 CFLAGS=$OLD_CFLAGS
1730 CPPFLAGS=$OLD_CPPFLAGS
1731 fi
1732 fi
1733 fi
1734
1735 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
1736 dnl using Motif or Xaw3d is available, and unless
1737 dnl --with-toolkit-scroll-bars=no was specified.
1738
1739 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
1740 [Define to 1 if we should use toolkit scroll bars.])dnl
1741 USE_TOOLKIT_SCROLL_BARS=no
1742 if test "${with_toolkit_scroll_bars}" != "no"; then
1743 if test "${USE_X_TOOLKIT}" != "none"; then
1744 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1745 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1746 HAVE_XAW3D=no
1747 USE_TOOLKIT_SCROLL_BARS=yes
1748 elif test "${HAVE_XAW3D}" = "yes"; then
1749 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1750 USE_TOOLKIT_SCROLL_BARS=yes
1751 fi
1752 elif test "${HAVE_GTK}" = "yes"; then
1753 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1754 USE_TOOLKIT_SCROLL_BARS=yes
1755 elif test "${HAVE_NS}" = "yes"; then
1756 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1757 USE_TOOLKIT_SCROLL_BARS=yes
1758 fi
1759 fi
1760
1761 dnl See if XIM is available.
1762 AC_TRY_COMPILE([
1763 #include <X11/Xlib.h>
1764 #include <X11/Xresource.h>],
1765 [XIMProc callback;],
1766 [HAVE_XIM=yes
1767 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
1768 HAVE_XIM=no)
1769
1770 dnl `--with-xim' now controls only the initial value of use_xim at run time.
1771
1772 if test "${with_xim}" != "no"; then
1773 AC_DEFINE(USE_XIM, 1,
1774 [Define to 1 if we should use XIM, if it is available.])
1775 fi
1776
1777
1778 if test "${HAVE_XIM}" != "no"; then
1779 late_CFLAGS=$CFLAGS
1780 if test "$GCC" = yes; then
1781 CFLAGS="$CFLAGS --pedantic-errors"
1782 fi
1783 AC_TRY_COMPILE([
1784 #include <X11/Xlib.h>
1785 #include <X11/Xresource.h>],
1786 [Display *display;
1787 XrmDatabase db;
1788 char *res_name;
1789 char *res_class;
1790 XIMProc callback;
1791 XPointer *client_data;
1792 #ifndef __GNUC__
1793 /* If we're not using GCC, it's probably not XFree86, and this is
1794 probably right, but we can't use something like --pedantic-errors. */
1795 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
1796 char*, XIMProc, XPointer*);
1797 #endif
1798 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
1799 client_data);],
1800 [emacs_cv_arg6_star=yes])
1801 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
1802 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
1803 either XPointer or XPointer*.])dnl
1804 if test "$emacs_cv_arg6_star" = yes; then
1805 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
1806 else
1807 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
1808 fi
1809 CFLAGS=$late_CFLAGS
1810 fi
1811
1812 ### Start of font-backend section.
1813
1814 ## Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'.
1815 HAVE_XFT=maybe
1816 if test "x${with_freetype}" = "xno" || test "x${with_x}" = "xno"; then
1817 with_xft="no";
1818 fi
1819 if test "x${with_xft}" != "xno"; then
1820
1821 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
1822 if test "$HAVE_XFT" != no; then
1823 OLD_CPPFLAGS="$CPPFLAGS"
1824 OLD_CFLAGS="$CFLAGS"
1825 OLD_LIBS="$LIBS"
1826 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
1827 CFLAGS="$CFLAGS $XFT_CFLAGS"
1828 LIBS="$XFT_LIBS $LIBS"
1829 AC_CHECK_HEADER(X11/Xft/Xft.h,
1830 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
1831
1832 if test "${HAVE_XFT}" = "yes"; then
1833 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
1834 AC_SUBST(XFT_LIBS)
1835 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
1836 else
1837 CPPFLAGS="$OLD_CPPFLAGS"
1838 CFLAGS="$OLD_CFLAGS"
1839 LIBS="$OLD_LIBS"
1840 fi # "${HAVE_XFT}" = "yes"
1841 fi # "$HAVE_XFT" != no
1842 fi # "x${with_xft}" != "xno"
1843
1844 dnl For the "Does Emacs use" message at the end.
1845 if test "$HAVE_XFT" != "yes"; then
1846 HAVE_XFT=no
1847 fi
1848
1849
1850 HAVE_FREETYPE=no
1851 ### Use -lfreetype if available, unless `--with-freetype=no'.
1852 if test "${HAVE_XFT}" = "yes"; then
1853 dnl As we use Xft, we anyway use freetype.
1854 dnl In this case, there's no need of additional CFLAGS and LIBS.
1855 HAVE_FREETYPE=yes
1856 elif test "x${with_freetype}" != "xno" && test "x${with_x}" != "xno"; then
1857
1858 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no)
1859 if test "${HAVE_FREETYPE}" = "yes"; then
1860 PKG_CHECK_MODULES(FONTCONFIG, fontconfig, HAVE_FC=yes, HAVE_FC=no)
1861 if test "${HAVE_FC}" = "no"; then
1862 dnl Without fontconfig, we can't use freetype at the moment.
1863 HAVE_FREETYPE=no
1864 fi
1865 fi
1866 fi
1867
1868 HAVE_LIBOTF=no
1869 if test "${HAVE_FREETYPE}" = "yes"; then
1870 AC_DEFINE(HAVE_FREETYPE, 1,
1871 [Define to 1 if using the freetype and fontconfig libraries.])
1872 if test "${with_libotf}" != "no"; then
1873 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
1874 HAVE_LIBOTF=no)
1875 if test "$HAVE_LIBOTF" = "yes"; then
1876 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
1877 fi
1878 fi
1879 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
1880 dnl Does the new font backend require it, or can it work without it?
1881 fi
1882
1883 HAVE_M17N_FLT=no
1884 if test "${HAVE_LIBOTF}" = yes; then
1885 if test "${with_m17n_flt}" != "no"; then
1886 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
1887 if test "$HAVE_M17N_FLT" = "yes"; then
1888 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
1889 fi
1890 fi
1891 fi
1892
1893 AC_SUBST(FREETYPE_CFLAGS)
1894 AC_SUBST(FREETYPE_LIBS)
1895 AC_SUBST(FONTCONFIG_CFLAGS)
1896 AC_SUBST(FONTCONFIG_LIBS)
1897 AC_SUBST(LIBOTF_CFLAGS)
1898 AC_SUBST(LIBOTF_LIBS)
1899 AC_SUBST(M17N_FLT_CFLAGS)
1900 AC_SUBST(M17N_FLT_LIBS)
1901
1902 ### End of font-backend section.
1903
1904 ### Use -lXpm if available, unless `--with-xpm=no'.
1905 HAVE_XPM=no
1906 if test "${HAVE_X11}" = "yes"; then
1907 if test "${with_xpm}" != "no"; then
1908 AC_CHECK_HEADER(X11/xpm.h,
1909 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
1910 if test "${HAVE_XPM}" = "yes"; then
1911 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1912 AC_EGREP_CPP(no_return_alloc_pixels,
1913 [#include "X11/xpm.h"
1914 #ifndef XpmReturnAllocPixels
1915 no_return_alloc_pixels
1916 #endif
1917 ], HAVE_XPM=no, HAVE_XPM=yes)
1918
1919 if test "${HAVE_XPM}" = "yes"; then
1920 AC_MSG_RESULT(yes)
1921 else
1922 AC_MSG_RESULT(no)
1923 fi
1924 fi
1925 fi
1926
1927 if test "${HAVE_XPM}" = "yes"; then
1928 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
1929 fi
1930 fi
1931
1932 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1933 HAVE_JPEG=no
1934 if test "${HAVE_X11}" = "yes"; then
1935 if test "${with_jpeg}" != "no"; then
1936 dnl Checking for jpeglib.h can lose because of a redefinition of
1937 dnl HAVE_STDLIB_H.
1938 AC_CHECK_HEADER(jerror.h,
1939 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
1940 fi
1941
1942 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
1943 if test "${HAVE_JPEG}" = "yes"; then
1944 AC_DEFINE(HAVE_JPEG)
1945 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
1946 [#include <jpeglib.h>
1947 version=JPEG_LIB_VERSION
1948 ],
1949 [AC_DEFINE(HAVE_JPEG)],
1950 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
1951 HAVE_JPEG=no])
1952 fi
1953 fi
1954
1955 ### Use -lpng if available, unless `--with-png=no'.
1956 HAVE_PNG=no
1957 if test "${HAVE_X11}" = "yes"; then
1958 if test "${with_png}" != "no"; then
1959 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
1960 # in /usr/include/libpng.
1961 AC_CHECK_HEADERS(png.h libpng/png.h)
1962 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
1963 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
1964 fi
1965 fi
1966
1967 if test "${HAVE_PNG}" = "yes"; then
1968 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
1969 fi
1970 fi
1971
1972 ### Use -ltiff if available, unless `--with-tiff=no'.
1973 HAVE_TIFF=no
1974 if test "${HAVE_X11}" = "yes"; then
1975 if test "${with_tiff}" != "no"; then
1976 AC_CHECK_HEADER(tiffio.h,
1977 [tifflibs="-lz -lm"
1978 # At least one tiff package requires the jpeg library.
1979 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1980 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
1981 fi
1982
1983 if test "${HAVE_TIFF}" = "yes"; then
1984 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
1985 fi
1986 fi
1987
1988 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
1989 HAVE_GIF=no
1990 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
1991 AC_CHECK_HEADER(gif_lib.h,
1992 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
1993 # Earlier versions can crash Emacs.
1994 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes)])
1995
1996 if test "$HAVE_GIF" = yes; then
1997 ac_gif_lib_name="-lgif"
1998 fi
1999
2000 # If gif_lib.h but no libgif, try libungif.
2001 if test x"$try_libungif" = xyes; then
2002 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes)
2003
2004 if test "$HAVE_GIF" = yes; then
2005 AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).])
2006 ac_gif_lib_name="-lungif"
2007 fi
2008 fi
2009
2010 if test "${HAVE_GIF}" = "yes"; then
2011 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).])
2012 fi
2013 fi
2014
2015 dnl Check for required libraries.
2016 if test "${HAVE_X11}" = "yes"; then
2017 MISSING=""
2018 WITH_NO=""
2019 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2020 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2021 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2022 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2023 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2024 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2025 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2026 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2027 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2028 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2029
2030 if test "X${MISSING}" != X; then
2031 AC_MSG_ERROR([The following required libraries were not found:
2032 $MISSING
2033 Maybe some development libraries/packages are missing?
2034 If you don't want to link with them give
2035 $WITH_NO
2036 as options to configure])
2037 fi
2038 fi
2039
2040 ### Use -lgpm if available, unless `--with-gpm=no'.
2041 HAVE_GPM=no
2042 if test "${with_gpm}" != "no"; then
2043 AC_CHECK_HEADER(gpm.h,
2044 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2045 fi
2046
2047 if test "${HAVE_GPM}" = "yes"; then
2048 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2049 fi
2050
2051 dnl Check for malloc/malloc.h on darwin
2052 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2053
2054 ### Use NeXTstep API to implement GUI.
2055 if test "${HAVE_NS}" = "yes"; then
2056 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2057 if test "${NS_IMPL_COCOA}" = "yes"; then
2058 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2059 GNU_OBJC_CFLAGS=
2060 LIB_SRC_EXTRA_INSTALLABLES=mac-fix-env
2061 fi
2062 if test "${EN_COCOA_EXPERIMENTAL_CTRL_G}" = "yes"; then
2063 AC_DEFINE(COCOA_EXPERIMENTAL_CTRL_G, 1, [Define to 1 if you are trying experimental enhanced Ctrl-g support using NS windowing under MacOS X.])
2064 fi
2065 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2066 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2067 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2068 fi
2069 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2070 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2071 fi
2072 # We also have mouse menus.
2073 HAVE_MENUS=yes
2074 fi
2075
2076
2077 ### Use session management (-lSM -lICE) if available
2078 HAVE_X_SM=no
2079 if test "${HAVE_X11}" = "yes"; then
2080 AC_CHECK_HEADER(X11/SM/SMlib.h,
2081 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2082
2083 if test "${HAVE_X_SM}" = "yes"; then
2084 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2085 case "$LIBS" in
2086 *-lSM*) ;;
2087 *) LIBS="-lSM -lICE $LIBS" ;;
2088 esac
2089 fi
2090 fi
2091
2092 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2093 AC_CACHE_CHECK(whether netdb declares h_errno,
2094 emacs_cv_netdb_declares_h_errno,
2095 [AC_TRY_LINK([#include <netdb.h>],
2096 [return h_errno;],
2097 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2098 if test $emacs_cv_netdb_declares_h_errno = yes; then
2099 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2100 fi
2101
2102 AC_FUNC_ALLOCA
2103
2104 dnl src/alloca.c has been removed. Could also check if $ALLOCA is set?
2105 dnl FIXME is there an autoconf test that does the right thing, without
2106 dnl needing to call A_M_E afterwards?
2107 if test x"$ac_cv_func_alloca_works" != xyes; then
2108 AC_MSG_ERROR( [a system implementation of alloca is required] )
2109 fi
2110
2111 # fmod, logb, and frexp are found in -lm on most systems.
2112 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2113 AC_CHECK_LIB(m, sqrt)
2114
2115 # Check for mail-locking functions in a "mail" library. Probably this should
2116 # have the same check as for liblockfile below.
2117 AC_CHECK_LIB(mail, maillock)
2118 dnl Debian, at least:
2119 AC_CHECK_LIB(lockfile, maillock)
2120 # If we have the shared liblockfile, assume we must use it for mail
2121 # locking (e.g. Debian). If we couldn't link against liblockfile
2122 # (no liblockfile.a installed), ensure that we don't need to.
2123 if test "$ac_cv_lib_lockfile_maillock" = no; then
2124 dnl This works for files generally, not just executables.
2125 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2126 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2127 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2128 if test $ac_cv_prog_liblockfile = yes; then
2129 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2130 This probably means that movemail could lose mail.
2131 There may be a `development' package to install containing liblockfile.])
2132 else :
2133 fi
2134 fi
2135 AC_CHECK_FUNCS(touchlock)
2136 AC_CHECK_HEADERS(maillock.h)
2137
2138 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2139 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2140 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
2141 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2142 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2143 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2144 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2145 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2146 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2147 cfmakeraw cfsetspeed)
2148
2149 AC_CHECK_HEADERS(sys/un.h)
2150
2151 AC_FUNC_MKTIME
2152 if test "$ac_cv_func_working_mktime" = no; then
2153 AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2154 fi
2155
2156 AC_FUNC_GETLOADAVG
2157
2158 AC_FUNC_FSEEKO
2159
2160 # Configure getopt.
2161 m4_include([m4/getopt.m4])
2162 gl_GETOPT_IFELSE([
2163 gl_GETOPT_SUBSTITUTE_HEADER
2164 gl_PREREQ_GETOPT
2165 GETOPTOBJS='getopt.o getopt1.o'
2166 ])
2167 AC_SUBST(GETOPTOBJS)
2168
2169 AC_FUNC_GETPGRP
2170
2171 AC_FUNC_STRFTIME
2172
2173 # UNIX98 PTYs.
2174 AC_CHECK_FUNCS(grantpt)
2175
2176 # PTY-related GNU extensions.
2177 AC_CHECK_FUNCS(getpt)
2178
2179 # Check this now, so that we will NOT find the above functions in ncurses.
2180 # That is because we have not set up to link ncurses in lib-src.
2181 # It's better to believe a function is not available
2182 # than to expect to find it in ncurses.
2183 AC_CHECK_LIB(ncurses, tparm)
2184
2185 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2186
2187 resolv=no
2188 AC_TRY_LINK([#include <netinet/in.h>
2189 #include <arpa/nameser.h>
2190 #include <resolv.h>],
2191 [return res_init();],
2192 have_res_init=yes, have_res_init=no)
2193 if test "$have_res_init" = no; then
2194 OLIBS="$LIBS"
2195 LIBS="$LIBS -lresolv"
2196 AC_MSG_CHECKING(for res_init with -lresolv)
2197 AC_TRY_LINK([#include <netinet/in.h>
2198 #include <arpa/nameser.h>
2199 #include <resolv.h>],
2200 [return res_init();],
2201 have_res_init=yes, have_res_init=no)
2202 AC_MSG_RESULT($have_res_init)
2203 if test "$have_res_init" = yes ; then
2204 resolv=yes
2205 fi
2206 LIBS="$OLIBS"
2207 fi
2208
2209 if test "$have_res_init" = yes; then
2210 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2211 fi
2212
2213 # Do we need the Hesiod library to provide the support routines?
2214 if test "$with_hesiod" != no ; then
2215 # Don't set $LIBS here -- see comments above.
2216 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2217 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2218 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2219 if test "$resolv" = yes ; then
2220 RESOLVLIB=-lresolv
2221 else
2222 RESOLVLIB=
2223 fi
2224 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2225 [AC_DEFINE(HAVE_LIBHESIOD, 1,
2226 [Define to 1 if you have the hesiod library (-lhesiod).])],
2227 :, $RESOLVLIB)])
2228 fi
2229
2230 # Do we need libresolv (due to res_init or Hesiod)?
2231 if test "$resolv" = yes ; then
2232 AC_DEFINE(HAVE_LIBRESOLV, 1,
2233 [Define to 1 if you have the resolv library (-lresolv).])
2234 fi
2235
2236 # These tell us which Kerberos-related libraries to use.
2237 if test "${with_kerberos}" != no; then
2238 AC_CHECK_LIB(com_err, com_err)
2239 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2240 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2241 AC_CHECK_LIB(krb5, krb5_init_context)
2242 if test "${with_kerberos5}" = no; then
2243 AC_CHECK_LIB(des425, des_cbc_encrypt,,
2244 [AC_CHECK_LIB(des, des_cbc_encrypt)])
2245 AC_CHECK_LIB(krb4, krb_get_cred,,
2246 [AC_CHECK_LIB(krb, krb_get_cred)])
2247 fi
2248
2249 if test "${with_kerberos5}" != no; then
2250 AC_CHECK_HEADERS(krb5.h,
2251 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2252 [#include <krb5.h>])])
2253 else
2254 AC_CHECK_HEADERS(des.h,,
2255 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2256 [AC_CHECK_HEADERS(kerberos/des.h)])])
2257 AC_CHECK_HEADERS(krb.h,,
2258 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2259 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2260 fi
2261 AC_CHECK_HEADERS(com_err.h)
2262 fi
2263
2264 # Solaris requires -lintl if you want strerror (which calls dgettext)
2265 # to return localized messages.
2266 AC_CHECK_LIB(intl, dgettext)
2267
2268 AC_MSG_CHECKING(whether localtime caches TZ)
2269 AC_CACHE_VAL(emacs_cv_localtime_cache,
2270 [if test x$ac_cv_func_tzset = xyes; then
2271 AC_TRY_RUN([#include <time.h>
2272 extern char **environ;
2273 unset_TZ ()
2274 {
2275 char **from, **to;
2276 for (to = from = environ; (*to = *from); from++)
2277 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2278 to++;
2279 }
2280 char TZ_GMT0[] = "TZ=GMT0";
2281 char TZ_PST8[] = "TZ=PST8";
2282 main()
2283 {
2284 time_t now = time ((time_t *) 0);
2285 int hour_GMT0, hour_unset;
2286 if (putenv (TZ_GMT0) != 0)
2287 exit (1);
2288 hour_GMT0 = localtime (&now)->tm_hour;
2289 unset_TZ ();
2290 hour_unset = localtime (&now)->tm_hour;
2291 if (putenv (TZ_PST8) != 0)
2292 exit (1);
2293 if (localtime (&now)->tm_hour == hour_GMT0)
2294 exit (1);
2295 unset_TZ ();
2296 if (localtime (&now)->tm_hour != hour_unset)
2297 exit (1);
2298 exit (0);
2299 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2300 [# If we have tzset, assume the worst when cross-compiling.
2301 emacs_cv_localtime_cache=yes])
2302 else
2303 # If we lack tzset, report that localtime does not cache TZ,
2304 # since we can't invalidate the cache if we don't have tzset.
2305 emacs_cv_localtime_cache=no
2306 fi])dnl
2307 AC_MSG_RESULT($emacs_cv_localtime_cache)
2308 if test $emacs_cv_localtime_cache = yes; then
2309 AC_DEFINE(LOCALTIME_CACHE, 1,
2310 [Define to 1 if localtime caches TZ.])
2311 fi
2312
2313 if test "x$HAVE_TIMEVAL" = xyes; then
2314 AC_CHECK_FUNCS(gettimeofday)
2315 if test $ac_cv_func_gettimeofday = yes; then
2316 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2317 emacs_cv_gettimeofday_two_arguments,
2318 [AC_TRY_COMPILE([
2319 #ifdef TIME_WITH_SYS_TIME
2320 #include <sys/time.h>
2321 #include <time.h>
2322 #else
2323 #ifdef HAVE_SYS_TIME_H
2324 #include <sys/time.h>
2325 #else
2326 #include <time.h>
2327 #endif
2328 #endif],
2329 [struct timeval time;
2330 gettimeofday (&time, 0);],
2331 emacs_cv_gettimeofday_two_arguments=yes,
2332 emacs_cv_gettimeofday_two_arguments=no)])
2333 if test $emacs_cv_gettimeofday_two_arguments = no; then
2334 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2335 [Define to 1 if gettimeofday accepts only one argument.])
2336 fi
2337 fi
2338 fi
2339
2340 ok_so_far=yes
2341 AC_CHECK_FUNC(socket, , ok_so_far=no)
2342 if test $ok_so_far = yes; then
2343 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2344 fi
2345 if test $ok_so_far = yes; then
2346 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2347 fi
2348 if test $ok_so_far = yes; then
2349 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
2350 AC_DEFINE(HAVE_INET_SOCKETS, 1,
2351 [Define to 1 if you have inet sockets.])
2352 fi
2353
2354 AC_CHECK_HEADERS(sys/ioctl.h)
2355
2356 if test -f /usr/lpp/X11/bin/smt.exp; then
2357 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2358 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2359 fi
2360
2361 AC_MSG_CHECKING(whether system supports dynamic ptys)
2362 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2363 AC_MSG_RESULT(yes)
2364 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2365 else
2366 AC_MSG_RESULT(no)
2367 fi
2368
2369 AC_FUNC_FORK
2370
2371 dnl Adapted from Haible's version.
2372 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2373 [AC_TRY_LINK([#include <langinfo.h>],
2374 [char* cs = nl_langinfo(CODESET);],
2375 emacs_cv_langinfo_codeset=yes,
2376 emacs_cv_langinfo_codeset=no)
2377 ])
2378 if test $emacs_cv_langinfo_codeset = yes; then
2379 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2380 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2381 fi
2382
2383 AC_CHECK_TYPES(size_t)
2384
2385 AC_TYPE_MBSTATE_T
2386
2387 dnl Restrict could probably be used effectively other than in regex.c.
2388 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2389 [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2390 emacs_cv_c_restrict=yes,
2391 [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2392 emacs_cv_c_restrict=__restrict,
2393 emacs_cv_c_restrict=no)])])
2394 case "$emacs_cv_c_restrict" in
2395 yes) emacs_restrict=restrict;;
2396 no) emacs_restrict="";;
2397 *) emacs_restrict="$emacs_cv_c_restrict";;
2398 esac
2399 if test "$emacs_restrict" != __restrict; then
2400 AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2401 [Define to compiler's equivalent of C99 restrict keyword.
2402 Don't define if equivalent is `__restrict'.])
2403 fi
2404
2405 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2406 [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2407 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2408 if test "$emacs_cv_c_restrict_arr" = yes; then
2409 AC_DEFINE(__restrict_arr, __restrict,
2410 [Define to compiler's equivalent of C99 restrict keyword in array
2411 declarations. Define as empty for no equivalent.])
2412 fi
2413
2414 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2415 dnl how the tty code is related to POSIX and/or other versions of termios.
2416 dnl The following looks like a useful start.
2417 dnl
2418 dnl AC_SYS_POSIX_TERMIOS
2419 dnl if test $ac_cv_sys_posix_termios = yes; then
2420 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2421 dnl and macros for terminal control.])
2422 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2423 dnl fi
2424
2425 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
2426
2427 # Set up the CFLAGS for real compilation, so we can substitute it.
2428 CFLAGS="$REAL_CFLAGS"
2429 CPPFLAGS="$REAL_CPPFLAGS"
2430
2431 #### Find out which version of Emacs this is.
2432 [version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
2433 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2434 if test x"${version}" = x; then
2435 AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2436 fi
2437
2438 ### Specify what sort of things we'll be editing into Makefile and config.h.
2439 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2440 AC_SUBST(version)
2441 AC_SUBST(configuration)
2442 AC_SUBST(canonical)
2443 AC_SUBST(srcdir)
2444 AC_SUBST(prefix)
2445 AC_SUBST(exec_prefix)
2446 AC_SUBST(bindir)
2447 AC_SUBST(datadir)
2448 AC_SUBST(sharedstatedir)
2449 AC_SUBST(libexecdir)
2450 AC_SUBST(mandir)
2451 AC_SUBST(infodir)
2452 AC_SUBST(lispdir)
2453 AC_SUBST(locallisppath)
2454 AC_SUBST(lisppath)
2455 AC_SUBST(x_default_search_path)
2456 AC_SUBST(etcdir)
2457 AC_SUBST(archlibdir)
2458 AC_SUBST(docdir)
2459 AC_SUBST(bitmapdir)
2460 AC_SUBST(gamedir)
2461 AC_SUBST(gameuser)
2462 AC_SUBST(c_switch_system)
2463 AC_SUBST(c_switch_machine)
2464 AC_SUBST(LD_SWITCH_X_SITE)
2465 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2466 AC_SUBST(C_SWITCH_X_SITE)
2467 AC_SUBST(CFLAGS)
2468 AC_SUBST(X_TOOLKIT_TYPE)
2469 AC_SUBST(machfile)
2470 AC_SUBST(opsysfile)
2471 AC_SUBST(GETLOADAVG_LIBS)
2472 AC_SUBST(ns_appdir)
2473 AC_SUBST(ns_appbindir)
2474 AC_SUBST(ns_appresdir)
2475 AC_SUBST(ns_appsrc)
2476 AC_SUBST(GNUSTEP_MAKEFILES)
2477 AC_SUBST(GNUSTEP_SYSTEM_HEADERS)
2478 AC_SUBST(GNUSTEP_SYSTEM_LIBRARIES)
2479 AC_SUBST(GNU_OBJC_CFLAGS)
2480 AC_SUBST(LIB_SRC_EXTRA_INSTALLABLES)
2481
2482 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
2483 [Define to the canonical Emacs configuration name.])
2484 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2485 [Define to the options passed to configure.])
2486 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
2487 [Define to the used machine dependent file.])
2488 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2489 [Define to the used os dependent file.])
2490 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2491 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2492 may need to deal with X Windows. For instance, if you've defined
2493 HAVE_X_WINDOWS above and your X libraries aren't in a place that
2494 your loader can find on its own, you might want to add "-L/..." or
2495 something similar.])
2496 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2497 [Define LD_SWITCH_X_SITE_AUX with an -R option
2498 in case it's needed (for Solaris, for example).])
2499 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE},
2500 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2501 may need to deal with X Windows. For instance, if you've defined
2502 HAVE_X_WINDOWS above and your X include files aren't in a place
2503 that your compiler can find on its own, you might want to add
2504 "-I/..." or something similar.])
2505 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC},
2506 [Define to the unexec source file name.])
2507
2508 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2509 AC_DEFINE(HAVE_X_WINDOWS, 1,
2510 [Define to 1 if you want to use the X window system.])
2511 fi
2512 if test "${USE_X_TOOLKIT}" != "none" ; then
2513 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2514 if test "${USE_X_TOOLKIT}" = "LUCID"; then
2515 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
2516 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
2517 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
2518 fi
2519 fi
2520 if test "${HAVE_X11}" = "yes" ; then
2521 AC_DEFINE(HAVE_X11, 1,
2522 [Define to 1 if you want to use version 11 of X windows.
2523 Otherwise, Emacs expects to use version 10.])
2524 fi
2525 if test "${HAVE_MENUS}" = "yes" ; then
2526 AC_DEFINE(HAVE_MENUS, 1,
2527 [Define to 1 if you have mouse menus.
2528 (This is automatic if you use X, but the option to specify it remains.)
2529 It is also defined with other window systems that support xmenu.c.])
2530 fi
2531 if test "${GNU_MALLOC}" = "yes" ; then
2532 AC_DEFINE(GNU_MALLOC, 1,
2533 [Define to 1 if you want to use the GNU memory allocator.])
2534 fi
2535 if test "${REL_ALLOC}" = "yes" ; then
2536 AC_DEFINE(REL_ALLOC, 1,
2537 [Define REL_ALLOC if you want to use the relocating allocator for
2538 buffer space.])
2539 fi
2540
2541
2542 AH_TOP([/* GNU Emacs site configuration template file.
2543 Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
2544 2006, 2007, 2008 Free Software Foundation, Inc.
2545
2546 This file is part of GNU Emacs.
2547
2548 GNU Emacs is free software: you can redistribute it and/or modify
2549 it under the terms of the GNU General Public License as published by
2550 the Free Software Foundation, either version 3 of the License, or
2551 (at your option) any later version.
2552
2553 GNU Emacs is distributed in the hope that it will be useful,
2554 but WITHOUT ANY WARRANTY; without even the implied warranty of
2555 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2556 GNU General Public License for more details.
2557
2558 You should have received a copy of the GNU General Public License
2559 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
2560
2561
2562 /* No code in Emacs #includes config.h twice, but some bits of code
2563 intended to work with other packages as well (like gmalloc.c)
2564 think they can include it as many times as they like. */
2565 #ifndef EMACS_CONFIG_H
2566 #define EMACS_CONFIG_H
2567 ])dnl
2568
2569 AH_BOTTOM([
2570 /* If we're using X11/Carbon/GNUstep, define some consequences. */
2571 #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS)
2572 #define HAVE_WINDOW_SYSTEM
2573 #define HAVE_MOUSE
2574 #endif
2575
2576 /* Sadly for now, GNUstep dump does not work. */
2577 #ifdef NS_IMPL_GNUSTEP
2578 #define CANNOT_DUMP
2579 #endif
2580
2581 /* Define AMPERSAND_FULL_NAME if you use the convention
2582 that & in the full name stands for the login id. */
2583 /* Turned on June 1996 supposing nobody will mind it. */
2584 #define AMPERSAND_FULL_NAME
2585
2586 /* Define HAVE_SOUND if we have sound support. We know it works
2587 and compiles only on the specified platforms. For others,
2588 it probably doesn't make sense to try. */
2589
2590 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
2591 #ifdef HAVE_MACHINE_SOUNDCARD_H
2592 #define HAVE_SOUND 1
2593 #endif
2594 #ifdef HAVE_SYS_SOUNDCARD_H
2595 #define HAVE_SOUND 1
2596 #endif
2597 #ifdef HAVE_SOUNDCARD_H
2598 #define HAVE_SOUND 1
2599 #endif
2600 #ifdef HAVE_ALSA
2601 #define HAVE_SOUND 1
2602 #endif
2603 #endif /* __FreeBSD__ || __NetBSD__ || __linux__ */
2604
2605 /* If using GNU, then support inline function declarations. */
2606 /* Don't try to switch on inline handling as detected by AC_C_INLINE
2607 generally, because even if non-gcc compilers accept `inline', they
2608 may reject `extern inline'. */
2609 #if defined (__GNUC__) && defined (OPTIMIZE)
2610 #define INLINE __inline__
2611 #else
2612 #define INLINE
2613 #endif
2614
2615 /* `subprocesses' should be defined if you want to
2616 have code for asynchronous subprocesses
2617 (as used in M-x compile and M-x shell).
2618 Only MSDOS does not support this (it overrides
2619 this in its config_opsysfile below). */
2620
2621 #define subprocesses
2622
2623 /* Include the os and machine dependent files. */
2624 #include config_opsysfile
2625 #include config_machfile
2626
2627 /* Set up some defines, C and LD flags for NeXTstep interface on GNUstep.
2628 (There is probably a better place to do this, but right now the Cocoa
2629 side does this in s/darwin.h and we cannot
2630 parallel this exactly since GNUstep is multi-OS. */
2631 #ifdef HAVE_NS
2632 #define OTHER_FILES ns-app
2633 # ifdef NS_IMPL_GNUSTEP
2634 /* See also .m.o rule in Makefile.in */
2635 /* FIXME: are all these flags really needed? Document here why. */
2636 # define C_SWITCH_X_SYSTEM -D_REENTRANT -fPIC -fno-strict-aliasing
2637 /* GNUstep needs a bit more pure memory. Of the existing knobs,
2638 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems. */
2639 # define SYSTEM_PURESIZE_EXTRA 30000
2640 # endif /* NS_IMPL_GNUSTEP */
2641 #endif /* HAVE_NS */
2642
2643 /* SIGTYPE is the macro we actually use. */
2644 #ifndef SIGTYPE
2645 #define SIGTYPE RETSIGTYPE
2646 #endif
2647
2648 #ifdef emacs /* Don't do this for lib-src. */
2649 /* Tell regex.c to use a type compatible with Emacs. */
2650 #define RE_TRANSLATE_TYPE Lisp_Object
2651 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
2652 #ifdef make_number
2653 /* If make_number is a macro, use it. */
2654 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
2655 #else
2656 /* If make_number is a function, avoid it. */
2657 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
2658 #endif
2659 #endif
2660
2661 /* Avoid link-time collision with system mktime if we will use our own. */
2662 #if ! HAVE_MKTIME || BROKEN_MKTIME
2663 #define mktime emacs_mktime
2664 #endif
2665
2666 #define my_strftime nstrftime /* for strftime.c */
2667
2668 /* The rest of the code currently tests the CPP symbol BSTRING.
2669 Override any claims made by the system-description files.
2670 Note that on some SCO version it is possible to have bcopy and not bcmp. */
2671 #undef BSTRING
2672 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
2673 #define BSTRING
2674 #endif
2675
2676 /* Some of the files of Emacs which are intended for use with other
2677 programs assume that if you have a config.h file, you must declare
2678 the type of getenv.
2679
2680 This declaration shouldn't appear when alloca.s or Makefile.in
2681 includes config.h. */
2682 #ifndef NOT_C_CODE
2683 extern char *getenv ();
2684 #endif
2685
2686 /* These default definitions are good for almost all machines.
2687 The exceptions override them in m/MACHINE.h. */
2688
2689 #ifndef BITS_PER_CHAR
2690 #define BITS_PER_CHAR 8
2691 #endif
2692
2693 #ifndef BITS_PER_SHORT
2694 #define BITS_PER_SHORT 16
2695 #endif
2696
2697 /* Note that lisp.h uses this in a preprocessor conditional, so it
2698 would not work to use sizeof. That being so, we do all of them
2699 without sizeof, for uniformity's sake. */
2700 #ifndef BITS_PER_INT
2701 #define BITS_PER_INT 32
2702 #endif
2703
2704 #ifndef BITS_PER_LONG
2705 #ifdef _LP64
2706 #define BITS_PER_LONG 64
2707 #else
2708 #define BITS_PER_LONG 32
2709 #endif
2710 #endif
2711
2712 /* Define if the compiler supports function prototypes. It may do so
2713 but not define __STDC__ (e.g. DEC C by default) or may define it as
2714 zero. */
2715 #undef PROTOTYPES
2716 /* For mktime.c: */
2717 #ifndef __P
2718 # if defined PROTOTYPES
2719 # define __P(args) args
2720 # else
2721 # define __P(args) ()
2722 # endif /* GCC. */
2723 #endif /* __P */
2724
2725 /* Don't include "string.h" or <stdlib.h> in non-C code. */
2726 #ifndef NOT_C_CODE
2727 #ifdef HAVE_STRING_H
2728 #include "string.h"
2729 #endif
2730 #ifdef HAVE_STRINGS_H
2731 #include "strings.h" /* May be needed for bcopy & al. */
2732 #endif
2733 #ifdef HAVE_STDLIB_H
2734 #include <stdlib.h>
2735 #endif
2736 #ifndef __GNUC__
2737 # ifdef HAVE_ALLOCA_H
2738 # include <alloca.h>
2739 # else /* AIX files deal with #pragma. */
2740 # ifndef alloca /* predefined by HP cc +Olibcalls */
2741 char *alloca ();
2742 # endif
2743 # endif /* HAVE_ALLOCA_H */
2744 #endif /* __GNUC__ */
2745 #ifndef HAVE_SIZE_T
2746 typedef unsigned size_t;
2747 #endif
2748 #endif /* NOT_C_CODE */
2749
2750 /* Define HAVE_X_I18N if we have usable i18n support. */
2751
2752 #ifdef HAVE_X11R6
2753 #define HAVE_X_I18N
2754 #elif !defined X11R5_INHIBIT_I18N
2755 #define HAVE_X_I18N
2756 #endif
2757
2758 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */
2759
2760 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
2761 #define HAVE_X11R6_XIM
2762 #endif
2763
2764 /* Should we enable expensive run-time checking of data types? */
2765 #undef ENABLE_CHECKING
2766
2767 #if defined __GNUC__ && (__GNUC__ > 2 \
2768 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
2769 #define NO_RETURN __attribute__ ((__noreturn__))
2770 #else
2771 #define NO_RETURN /* nothing */
2772 #endif
2773
2774 /* These won't be used automatically yet. We also need to know, at least,
2775 that the stack is continuous. */
2776 #ifdef __GNUC__
2777 # ifndef GC_SETJMP_WORKS
2778 /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
2779 see NON_SAVING_SETJMP in the target descriptions. */
2780 /* Exceptions (see NON_SAVING_SETJMP in target description) are
2781 SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
2782 Fixme: Deal with SVR3. */
2783 # define GC_SETJMP_WORKS 1
2784 # endif
2785 # ifndef GC_LISP_OBJECT_ALIGNMENT
2786 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
2787 # endif
2788 #endif
2789
2790 #ifndef HAVE_BCOPY
2791 #define bcopy(a,b,s) memcpy (b,a,s)
2792 #endif
2793 #ifndef HAVE_BZERO
2794 #define bzero(a,s) memset (a,0,s)
2795 #endif
2796 #ifndef HAVE_BCMP
2797 #define BCMP memcmp
2798 #endif
2799
2800 #endif /* EMACS_CONFIG_H */
2801
2802 /*
2803 Local Variables:
2804 mode: c
2805 End:
2806 */
2807 ])dnl
2808
2809 #### Report on what we decided to do.
2810 #### Report GTK as a toolkit, even if it doesn't use Xt.
2811 #### It makes printing result more understandable as using GTK sets
2812 #### toolkit_scroll_bars to yes by default.
2813 if test "${HAVE_GTK}" = "yes"; then
2814 USE_X_TOOLKIT=GTK
2815 fi
2816
2817 echo "
2818 Configured for \`${canonical}'.
2819
2820 Where should the build process find the source code? ${srcdir}
2821 What operating system and machine description files should Emacs use?
2822 \`${opsysfile}' and \`${machfile}'
2823 What compiler should emacs be built with? ${CC} ${CFLAGS}
2824 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
2825 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
2826 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
2827 What window system should Emacs use? ${window_system}
2828 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
2829
2830 if test -n "${x_includes}"; then
2831 echo " Where do we find X Windows header files? ${x_includes}"
2832 else
2833 echo " Where do we find X Windows header files? Standard dirs"
2834 fi
2835 if test -n "${x_libraries}"; then
2836 echo " Where do we find X Windows libraries? ${x_libraries}"
2837 else
2838 echo " Where do we find X Windows libraries? Standard dirs"
2839 fi
2840
2841 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
2842 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
2843 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
2844 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
2845 echo " Does Emacs use a gif library? ${HAVE_GIF} $ac_gif_lib_name"
2846 echo " Does Emacs use -lpng? ${HAVE_PNG}"
2847 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
2848 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
2849 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
2850
2851 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
2852 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
2853 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
2854 echo " Does Emacs use -lxft? ${HAVE_XFT}"
2855
2856 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
2857 echo
2858
2859 if test $USE_XASSERTS = yes; then
2860 echo " Compiling with asserts turned on."
2861 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
2862 fi
2863
2864 echo
2865
2866 if test "$USE_X_TOOLKIT" = GTK; then
2867 case "$canonical" in
2868 *cygwin*)
2869 echo "There are known problems with Emacs and Gtk+ on cygwin, so you
2870 will probably get a crash on startup. If this happens, please use another
2871 toolkit for Emacs. See etc/PROBLEMS for more information."
2872 ;;
2873 esac
2874 fi
2875
2876 if test "$HAVE_NS" = "yes"; then
2877 echo
2878 echo "You must run \"make install\" in order to test the built application.
2879 The installed application will go to nextstep/Emacs.app and can be
2880 run or moved from there."
2881 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
2882 echo "The application will be fully self-contained."
2883 else
2884 echo "The lisp resources for the application will be installed under ${prefix}.
2885 You may need to run \"make install\" with sudo. The application will fail
2886 to run if these resources are not installed."
2887 fi
2888 echo
2889 fi
2890
2891 if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then
2892 echo "D-Bus integration has been tested for GNU/Linux only."
2893 echo
2894 fi
2895
2896
2897 # Remove any trailing slashes in these variables.
2898 [test "${prefix}" != NONE &&
2899 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2900 test "${exec_prefix}" != NONE &&
2901 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
2902
2903 # Now get this: Some word that is part of the ${srcdir} directory name
2904 # or the ${configuration} value might, just might, happen to be an
2905 # identifier like `sun4' or `i386' or something, and be predefined by
2906 # the C preprocessor to some helpful value like 1, or maybe the empty
2907 # string. Needless to say consequent macro substitutions are less
2908 # than conducive to the makefile finding the correct directory.
2909 [cpp_undefs="`echo $srcdir $configuration $canonical |
2910 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
2911 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g'`"]
2912
2913 ## Check if the C preprocessor will convert `..' to `. .'. If so, set
2914 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2915 ## from Makefile.c can correctly provide the arg `-traditional' to the
2916 ## C preprocessor.
2917
2918 AC_EGREP_CPP(yes..yes,
2919 [yes..yes],
2920 CPP_NEED_TRADITIONAL=no,
2921 CPP_NEED_TRADITIONAL=yes)
2922
2923 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2924 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
2925 doc/lispref/Makefile src/Makefile.c:src/Makefile.in \
2926 lwlib/Makefile lisp/Makefile leim/Makefile, [
2927
2928 ### Make the necessary directories, if they don't exist.
2929 for dir in etc lisp ; do
2930 test -d ${dir} || mkdir ${dir}
2931 done
2932
2933 # Build src/Makefile from ${srcdir}/src/Makefile.c
2934 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2935 # This must be done after src/config.h is built, since we rely on that file.
2936
2937 echo creating src/epaths.h
2938 ${MAKE-make} epaths-force
2939
2940 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2941 # `..' to `. .' unless invoked with -traditional
2942
2943 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
2944 CPPFLAGS="$CPPFLAGS -traditional"
2945 fi
2946
2947 echo creating lib-src/Makefile
2948 ( cd lib-src
2949 rm -f junk.c junk1.c junk2.c
2950 sed -e '/start of cpp stuff/q' \
2951 < Makefile.c > junk1.c
2952 sed -e '1,/start of cpp stuff/d'\
2953 -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2954 < Makefile.c > junk.c
2955 $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2956 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2957 cat junk1.c junk2.c > Makefile.new
2958 rm -f junk.c junk1.c junk2.c
2959 chmod 444 Makefile.new
2960 mv -f Makefile.new Makefile
2961 )
2962
2963 echo creating src/Makefile
2964 ( cd src
2965 rm -f junk.c junk1.c junk2.c
2966 sed -e '/start of cpp stuff/q' \
2967 < Makefile.c > junk1.c
2968 sed -e '1,/start of cpp stuff/d'\
2969 -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2970 < Makefile.c > junk.c
2971 $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2972 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2973 cat junk1.c junk2.c > Makefile.new
2974 rm -f junk.c junk1.c junk2.c
2975 chmod 444 Makefile.new
2976 mv -f Makefile.new Makefile
2977 )
2978
2979 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
2980 echo creating src/.gdbinit
2981 echo source $srcdir/src/.gdbinit > src/.gdbinit
2982 fi
2983
2984 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS" cpp_undefs="$cpp_undefs"])
2985
2986 m4_if(dnl Do not change this comment
2987 arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
2988 )dnl