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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, 2009 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_WITH([gnustep-conf],dnl
173 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
174 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
175 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
176 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
177 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
178
179 AC_ARG_ENABLE(cocoa-experimental-ctrl-g,
180 [AS_HELP_STRING([--enable-cocoa-experimental-ctrl-g],
181 [enable experimental improved ctrl-g recognition])],
182 EN_COCOA_EXPERIMENTAL_CTRL_G=$enableval,
183 EN_COCOA_EXPERIMENTAL_CTRL_G=no)
184
185 AC_ARG_ENABLE(ns-self-contained,
186 [AS_HELP_STRING([--disable-ns-self-contained],
187 [disable self contained build under NeXTstep])],
188 EN_NS_SELF_CONTAINED=$enableval,
189 EN_NS_SELF_CONTAINED=yes)
190
191 AC_ARG_ENABLE(asserts,
192 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
193 USE_XASSERTS=$enableval,
194 USE_XASSERTS=no)
195
196 AC_ARG_ENABLE(maintainer-mode,
197 [AS_HELP_STRING([--enable-maintainer-mode],
198 [enable make rules and dependencies not useful (and sometimes
199 confusing) to the casual installer])],
200 USE_MAINTAINER_MODE=$enableval,
201 USE_MAINTAINER_MODE=no)
202 if test $USE_MAINTAINER_MODE = yes; then
203 MAINT=
204 else
205 MAINT=#
206 fi
207 AC_SUBST(MAINT)
208
209 AC_ARG_ENABLE(locallisppath,
210 [AS_HELP_STRING([--enable-locallisppath=PATH],
211 [directories Emacs should search for lisp files specific
212 to this site])],
213 if test "${enableval}" = "no"; then
214 locallisppath=
215 elif test "${enableval}" != "yes"; then
216 locallisppath=${enableval}
217 fi)
218
219 #### Make srcdir absolute, if it isn't already. It's important to
220 #### avoid running the path through pwd unnecessarily, since pwd can
221 #### give you automounter prefixes, which can go away. We do all this
222 #### so Emacs can find its files when run uninstalled.
223 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
224 unset CDPATH
225 case "${srcdir}" in
226 /* ) ;;
227 . )
228 ## We may be able to use the $PWD environment variable to make this
229 ## absolute. But sometimes PWD is inaccurate.
230 ## Note: we used to use ${PWD} at the end instead of `pwd`,
231 ## but that tested only for a well-formed and valid PWD,
232 ## it did not object when PWD was well-formed and valid but just wrong.
233 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
234 then
235 srcdir="$PWD"
236 else
237 srcdir="`(cd ${srcdir}; pwd)`"
238 fi
239 ;;
240 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
241 esac
242
243 #### Check if the source directory already has a configured system in it.
244 if test `pwd` != `(cd ${srcdir} && pwd)` \
245 && test -f "${srcdir}/src/config.h" ; then
246 AC_MSG_WARN([[The directory tree `${srcdir}' is being used
247 as a build directory right now; it has been configured in its own
248 right. To configure in another directory as well, you MUST
249 use GNU make. If you do not have GNU make, then you must
250 now do `make distclean' in ${srcdir},
251 and then run $0 again.]])
252 fi
253
254 #### Given the configuration name, set machfile and opsysfile to the
255 #### names of the m/*.h and s/*.h files we should use.
256
257 ### Canonicalize the configuration name.
258
259 AC_CANONICAL_HOST
260 canonical=$host
261 configuration=${host_alias-${build_alias-$host}}
262
263 dnl This used to use changequote, but, apart from `changequote is evil'
264 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
265 dnl the great gob of text. Thus it's not processed for possible expansion.
266 dnl Just make sure the brackets remain balanced.
267 dnl
268 dnl Since Emacs can't find matching pairs of quotes, boundaries are
269 dnl indicated by comments.
270 dnl quotation begins
271 [
272
273 ### If you add support for a new configuration, add code to this
274 ### switch statement to recognize your configuration name and select
275 ### the appropriate operating system and machine description files.
276
277 ### You would hope that you could choose an m/*.h file pretty much
278 ### based on the machine portion of the configuration name, and an s-
279 ### file based on the operating system portion. However, it turns out
280 ### that each m/*.h file is pretty manufacturer-specific - for
281 ### example mips.h is MIPS
282 ### So we basically have to have a special case for each
283 ### configuration name.
284 ###
285 ### As far as handling version numbers on operating systems is
286 ### concerned, make sure things will fail in a fixable way. If
287 ### /etc/MACHINES doesn't say anything about version numbers, be
288 ### prepared to handle anything reasonably. If version numbers
289 ### matter, be sure /etc/MACHINES says something about it.
290 ###
291 ### Eric Raymond says we should accept strings like "sysvr4" to mean
292 ### "System V Release 4"; he writes, "The old convention encouraged
293 ### confusion between `system' and `release' levels'."
294
295 machine='' opsys='' unported=no
296 case "${canonical}" in
297
298 ## FreeBSD ports
299 *-*-freebsd* )
300 opsys=freebsd
301 case "${canonical}" in
302 alpha*-*-freebsd*) machine=alpha ;;
303 arm*-*-freebsd*) machine=arm ;;
304 ia64-*-freebsd*) machine=ia64 ;;
305 sparc-*-freebsd*) machine=sparc ;;
306 sparc64-*-freebsd*) machine=sparc ;;
307 powerpc-*-freebsd*) machine=macppc ;;
308 i[3456]86-*-freebsd*) machine=intel386 ;;
309 amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
310 esac
311 ;;
312
313 ## FreeBSD kernel + glibc based userland
314 *-*-kfreebsd*gnu* )
315 opsys=gnu-kfreebsd
316 case "${canonical}" in
317 alpha*-*-kfreebsd*) machine=alpha ;;
318 ia64-*-kfreebsd*) machine=ia64 ;;
319 sparc-*-kfreebsd*) machine=sparc ;;
320 sparc64-*-kfreebsd*) machine=sparc ;;
321 powerpc-*-kfreebsd*) machine=macppc ;;
322 i[3456]86-*-kfreebsd*) machine=intel386 ;;
323 amd64-*-kfreebsd*|x86_64-*-kfreebsd*) machine=amdx86-64 ;;
324 esac
325 ;;
326
327 ## NetBSD ports
328 *-*-netbsd* )
329 opsys=netbsd
330 if test -f /usr/lib/crti.o; then]
331 dnl The close and open brackets here are because this section is quoted --
332 dnl see the `changequote' comment above.
333 AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
334 [ fi
335
336 case "${canonical}" in
337 alpha*-*-netbsd*) machine=alpha ;;
338 i[3456]86-*-netbsd*) machine=intel386 ;;
339 powerpc-*-netbsd*) machine=macppc ;;
340 sparc*-*-netbsd*) machine=sparc ;;
341 vax-*-netbsd*) machine=vax ;;
342 arm-*-netbsd*) machine=arm ;;
343 x86_64-*-netbsd*) machine=amdx86-64 ;;
344 hppa-*-netbsd*) machine=hp800 ;;
345 esac
346 ;;
347
348 ## OpenBSD ports
349 *-*-openbsd* )
350 opsys=openbsd
351 case "${canonical}" in
352 alpha*-*-openbsd*) machine=alpha ;;
353 arm-*-openbsd*) machine=arm ;;
354 i386-*-openbsd*) machine=intel386 ;;
355 powerpc-*-openbsd*) machine=macppc ;;
356 sparc*-*-openbsd*) machine=sparc ;;
357 vax-*-openbsd*) machine=vax ;;
358 x86_64-*-openbsd*) machine=amdx86-64 ;;
359 hppa-*-openbsd*) machine=hp800 ;;
360 esac
361 ;;
362
363 ## LynxOS ports
364 *-*-lynxos* )
365 opsys=lynxos
366 case "${canonical}" in
367 i[3456]86-*-lynxos*) machine=intel386 ;;
368 powerpc-*-lynxos*) machine=powerpc ;;
369 esac
370 ;;
371
372 alpha*-*-linux-gnu* )
373 machine=alpha opsys=gnu-linux
374 ;;
375
376 arm*-*-linux-gnu* )
377 machine=arm opsys=gnu-linux
378 ;;
379
380 ## Apple Darwin / Mac OS X
381 *-apple-darwin* )
382 case "${canonical}" in
383 i[3456]86-* ) machine=intel386 ;;
384 powerpc-* ) machine=macppc ;;
385 * ) unported=yes ;;
386 esac
387 opsys=darwin
388 # Define CPP as follows to make autoconf work correctly.
389 CPP="${CC-cc} -E -no-cpp-precomp"
390 # Use fink packages if available.
391 if test -d /sw/include && test -d /sw/lib; then
392 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
393 CPP="${CPP} ${GCC_TEST_OPTIONS}"
394 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
395 fi
396 ;;
397
398 ## HP 9000 series 700 and 800, running HP/UX
399 hppa*-hp-hpux10.2* )
400 machine=hp800 opsys=hpux10-20
401 ;;
402 hppa*-hp-hpux1[1-9]* )
403 machine=hp800 opsys=hpux11
404 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
405 ;;
406
407 hppa*-*-linux-gnu* )
408 machine=hp800 opsys=gnu-linux
409 ;;
410
411 ## IBM machines
412 s390-*-linux-gnu* )
413 machine=ibms390 opsys=gnu-linux
414 ;;
415 s390x-*-linux-gnu* )
416 machine=ibms390x opsys=gnu-linux
417 ;;
418 rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2* )
419 machine=ibmrs6000 opsys=aix4-2
420 ;;
421 rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3* )
422 machine=ibmrs6000 opsys=aix4-2
423 ;;
424 rs6000-ibm-aix5* | powerpc-ibm-aix5* )
425 machine=ibmrs6000 opsys=aix4-2
426 ;;
427 rs6000-ibm-aix5* | powerpc-ibm-aix6* )
428 machine=ibmrs6000 opsys=aix4-2
429 ;;
430
431 ## Macintosh PowerPC
432 powerpc*-*-linux-gnu* )
433 machine=macppc opsys=gnu-linux
434 ;;
435
436 ## Silicon Graphics machines
437 ## Iris 4D
438 mips-sgi-irix6.5 )
439 machine=iris4d opsys=irix6-5
440 # Without defining _LANGUAGE_C, things get masked out in the headers
441 # so that, for instance, grepping for `free' in stdlib.h fails and
442 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
443 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
444 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
445 ;;
446
447 ## Suns
448 sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
449 machine=sparc opsys=gnu-linux
450 ;;
451
452 *-sun-solaris* \
453 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
454 | x86_64-*-solaris2* | x86_64-*-sunos5* \
455 | powerpc*-*-solaris2* | rs6000-*-solaris2*)
456 case "${canonical}" in
457 i[3456]86-*-* ) machine=intel386 ;;
458 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
459 powerpc* | rs6000* ) machine=ibmrs6000 ;;
460 sparc* ) machine=sparc ;;
461 * ) unported=yes ;;
462 esac
463 case "${canonical}" in
464 *-sunos5.3* | *-solaris2.3* )
465 opsys=sol2-3
466 NON_GNU_CPP=/usr/ccs/lib/cpp
467 ;;
468 *-sunos5.4* | *-solaris2.4* )
469 opsys=sol2-4
470 NON_GNU_CPP=/usr/ccs/lib/cpp
471 RANLIB="ar -ts"
472 ;;
473 *-sunos5.5* | *-solaris2.5* )
474 opsys=sol2-5
475 NON_GNU_CPP=/usr/ccs/lib/cpp
476 RANLIB="ar -ts"
477 ;;
478 *-sunos5.6* | *-solaris2.6* )
479 opsys=sol2-6
480 NON_GNU_CPP=/usr/ccs/lib/cpp
481 RANLIB="ar -ts"
482 ;;
483 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
484 opsys=sol2-6
485 emacs_check_sunpro_c=yes
486 NON_GNU_CPP=/usr/ccs/lib/cpp
487 ;;
488 *-sunos5* | *-solaris* )
489 opsys=sol2-10
490 emacs_check_sunpro_c=yes
491 NON_GNU_CPP=/usr/ccs/lib/cpp
492 ;;
493 esac
494 ## Watch out for a compiler that we know will not work.
495 case "${canonical}" in
496 *-solaris* | *-sunos5* )
497 if [ "x$CC" = x/usr/ucb/cc ]; then
498 ## /usr/ucb/cc doesn't work;
499 ## we should find some other compiler that does work.
500 unset CC
501 fi
502 ;;
503 *) ;;
504 esac
505 ;;
506
507 ## Vaxen.
508 vax-dec-* )
509 machine=vax
510 case "${canonical}" in
511 *-vms* ) opsys=vms ;;
512 * ) unported=yes
513 esac
514 ;;
515
516 ## IA-64
517 ia64*-*-linux* )
518 machine=ia64 opsys=gnu-linux
519 ;;
520
521 ## Intel 386 machines where we don't care about the manufacturer
522 i[3456]86-*-* )
523 machine=intel386
524 case "${canonical}" in
525 *-cygwin ) opsys=cygwin ;;
526 *-darwin* ) opsys=darwin
527 CPP="${CC-cc} -E -no-cpp-precomp"
528 ;;
529 *-linux-gnu* ) opsys=gnu-linux ;;
530 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
531 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
532 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
533 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
534 esac
535 ;;
536
537 ## m68k Linux-based GNU system
538 m68k-*-linux-gnu* )
539 machine=m68k opsys=gnu-linux
540 ;;
541
542 ## Mips Linux-based GNU system
543 mips-*-linux-gnu* | mipsel-*-linux-gnu* \
544 | mips64-*-linux-gnu* | mips64el-*-linux-gnu* )
545 machine=mips opsys=gnu-linux
546 ;;
547
548 ## AMD x86-64 Linux-based GNU system
549 x86_64-*-linux-gnu* )
550 machine=amdx86-64 opsys=gnu-linux
551 ;;
552
553 ## Tensilica Xtensa Linux-based GNU system
554 xtensa*-*-linux-gnu* )
555 machine=xtensa opsys=gnu-linux
556 ;;
557
558 ## SuperH Linux-based GNU system
559 sh[34]*-*-linux-gnu* )
560 machine=sh3 opsys=gnu-linux
561 ;;
562
563 * )
564 unported=yes
565 ;;
566 esac
567
568 ### If the code above didn't choose an operating system, just choose
569 ### an operating system based on the configuration name. You really
570 ### only want to use this when you have no idea what the right
571 ### operating system is; if you know what operating systems a machine
572 ### runs, it's cleaner to make it explicit in the case statement
573 ### above.
574 if test x"${opsys}" = x; then
575 case "${canonical}" in
576 *-gnu* ) opsys=gnu ;;
577 *-sysv4.2uw* ) opsys=unixware ;;
578 *-sysv5uw* ) opsys=unixware ;;
579 *-sysv5OpenUNIX* ) opsys=unixware ;;
580 *-sysv4.1* | *-sysvr4.1* )
581 NON_GNU_CPP=/usr/lib/cpp
582 opsys=usg5-4 ;;
583 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
584 if [ x$NON_GNU_CPP = x ]; then
585 if [ -f /usr/ccs/lib/cpp ]; then
586 NON_GNU_CPP=/usr/ccs/lib/cpp
587 else
588 NON_GNU_CPP=/lib/cpp
589 fi
590 fi
591 opsys=usg5-4-2 ;;
592 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
593 * )
594 unported=yes
595 ;;
596 esac
597 fi
598
599 ]
600 dnl quotation ends
601
602 if test $unported = yes; then
603 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
604 Check `etc/MACHINES' for recognized configuration names.])
605 fi
606
607 machfile="m/${machine}.h"
608 opsysfile="s/${opsys}.h"
609
610
611 #### Choose a compiler.
612 test -n "$CC" && cc_specified=yes
613
614 # Save the value of CFLAGS that the user specified.
615 SPECIFIED_CFLAGS="$CFLAGS"
616
617 dnl Sets GCC=yes if using gcc.
618 AC_PROG_CC
619
620 # On Suns, sometimes $CPP names a directory.
621 if test -n "$CPP" && test -d "$CPP"; then
622 CPP=
623 fi
624
625 ## If not using gcc, and on Solaris, and no CPP specified, see if
626 ## using a Sun compiler, which needs -Xs to prevent whitespace.
627 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
628 test x"$CPP" = x; then
629 AC_MSG_CHECKING([whether we are using a Sun C compiler])
630 AC_CACHE_VAL(emacs_cv_sunpro_c,
631 [AC_TRY_LINK([],
632 [#ifndef __SUNPRO_C
633 fail;
634 #endif
635 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
636 AC_MSG_RESULT($emacs_cv_sunpro_c)
637
638 if test x"$emacs_cv_sunpro_c" = xyes; then
639 NON_GNU_CPP="$CC -E -Xs"
640 fi
641 fi
642
643 #### Some systems specify a CPP to use unless we are using GCC.
644 #### Now that we know whether we are using GCC, we can decide whether
645 #### to use that one.
646 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
647 then
648 CPP="$NON_GNU_CPP"
649 fi
650
651 #### Some systems specify a CC to use unless we are using GCC.
652 #### Now that we know whether we are using GCC, we can decide whether
653 #### to use that one.
654 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
655 test x$cc_specified != xyes
656 then
657 CC="$NON_GNU_CC"
658 fi
659
660 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
661 then
662 CC="$CC $GCC_TEST_OPTIONS"
663 fi
664
665 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
666 then
667 CC="$CC $NON_GCC_TEST_OPTIONS"
668 fi
669
670 dnl checks for Unix variants
671 AC_USE_SYSTEM_EXTENSIONS
672
673 ### Use -Wno-pointer-sign if the compiler supports it
674 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
675 SAVE_CFLAGS="$CFLAGS"
676 CFLAGS="$CFLAGS -Wno-pointer-sign"
677 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
678 if test $has_option = yes; then
679 C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
680 fi
681 AC_MSG_RESULT($has_option)
682 CFLAGS="$SAVE_CFLAGS"
683 unset has_option
684 unset SAVE_CFLAGS
685
686 #### Some other nice autoconf tests.
687
688 dnl checks for programs
689 AC_PROG_LN_S
690 AC_PROG_CPP
691 AC_PROG_INSTALL
692 if test "x$RANLIB" = x; then
693 AC_PROG_RANLIB
694 fi
695 AC_PATH_PROG(INSTALL_INFO, install-info)
696 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
697 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
698 dnl Don't use GZIP, which is used by gzip for additional parameters.
699 AC_PATH_PROG(GZIP_PROG, gzip)
700
701
702 ## Need makeinfo >= 4.6 (?) to build the manuals.
703 AC_PATH_PROG(MAKEINFO, makeinfo, no)
704 dnl By this stage, configure has already checked for egrep and set EGREP,
705 dnl or exited with an error if no egrep was found.
706 if test "$MAKEINFO" != "no" && \
707 test x"`$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
708 MAKEINFO=no
709 fi
710
711 ## Makeinfo is unusual. For a released Emacs, the manuals are
712 ## pre-built, and not deleted by the normal clean rules. makeinfo is
713 ## therefore in the category of "special tools" not normally required, which
714 ## configure does not have to check for (eg autoconf itself).
715 ## In a CVS checkout on the other hand, the manuals are not included.
716 ## So makeinfo is a requirement to build from CVS, and configure
717 ## should test for it as it does for any other build requirement.
718 ## We use the presence of $srcdir/info/emacs to distinguish a release,
719 ## with pre-built manuals, from a CVS checkout.
720 if test "$MAKEINFO" = "no"; then
721 if test "x${with_makeinfo}" = "xno"; then
722 MAKEINFO=off
723 elif ! test -e $srcdir/info/emacs; then
724 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
725 source tree does not seem to have pre-built manuals in the `info' directory.
726 Either install a suitable version of makeinfo, or re-run configure
727 with the `--without-makeinfo' option to build without the manuals.] )
728 fi
729 fi
730
731 dnl Add our options to ac_link now, after it is set up.
732
733 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
734 then
735 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
736 fi
737
738 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
739 then
740 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
741 fi
742
743 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
744 dnl If we can link with the flag, it shouldn't do any harm anyhow.
745 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
746 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
747 dnl if not built to support GNU ld.
748
749 late_LDFLAGS=$LDFLAGS
750 if test "$GCC" = yes; then
751 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
752 else
753 LDFLAGS="$LDFLAGS -znocombreloc"
754 fi
755
756 AC_MSG_CHECKING([for -znocombreloc])
757 AC_LINK_IFELSE([main(){return 0;}],
758 [AC_MSG_RESULT(yes)],
759 LDFLAGS=$late_LDFLAGS
760 [AC_MSG_RESULT(no)])
761
762 #### Extract some information from the operating system and machine files.
763
764 AC_CHECKING([the machine- and system-dependent files to find out
765 - which libraries the lib-src programs will want, and
766 - whether the GNU malloc routines are usable])
767
768 ### First figure out CFLAGS (which we use for running the compiler here)
769 ### and REAL_CFLAGS (which we use for real compilation).
770 ### The two are the same except on a few systems, where they are made
771 ### different to work around various lossages. For example,
772 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
773 ### as implying static linking.
774
775 ### If the CFLAGS env var is specified, we use that value
776 ### instead of the default.
777
778 ### It's not important that this name contain the PID; you can't run
779 ### two configures in the same directory and have anything work
780 ### anyway.
781 tempcname="conftest.c"
782
783 echo '
784 #include "'${srcdir}'/src/'${opsysfile}'"
785 #include "'${srcdir}'/src/'${machfile}'"
786 #ifndef LIBS_MACHINE
787 #define LIBS_MACHINE
788 #endif
789 #ifndef LIBS_SYSTEM
790 #define LIBS_SYSTEM
791 #endif
792 #ifndef C_SWITCH_SYSTEM
793 #define C_SWITCH_SYSTEM
794 #endif
795 #ifndef C_SWITCH_MACHINE
796 #define C_SWITCH_MACHINE
797 #endif
798 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
799 configure___ c_switch_system=C_SWITCH_SYSTEM
800 configure___ c_switch_machine=C_SWITCH_MACHINE
801
802 #ifndef LIB_X11_LIB
803 #define LIB_X11_LIB -lX11
804 #endif
805
806 #ifndef LIBX11_SYSTEM
807 #define LIBX11_SYSTEM
808 #endif
809 configure___ LIBX=LIB_X11_LIB LIBX11_SYSTEM
810
811 #ifdef UNEXEC
812 configure___ unexec=UNEXEC
813 #else
814 configure___ unexec=unexec.o
815 #endif
816
817 #ifdef SYSTEM_MALLOC
818 configure___ system_malloc=yes
819 #else
820 configure___ system_malloc=no
821 #endif
822
823 #ifdef USE_MMAP_FOR_BUFFERS
824 configure___ use_mmap_for_buffers=yes
825 #else
826 configure___ use_mmap_for_buffers=no
827 #endif
828
829 #ifndef C_DEBUG_SWITCH
830 #define C_DEBUG_SWITCH -g
831 #endif
832
833 #ifndef C_OPTIMIZE_SWITCH
834 #ifdef __GNUC__
835 #define C_OPTIMIZE_SWITCH -O2
836 #else
837 #define C_OPTIMIZE_SWITCH -O
838 #endif
839 #endif
840
841 #ifndef C_WARNINGS_SWITCH
842 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
843 #endif
844
845 #ifndef LD_SWITCH_MACHINE
846 #define LD_SWITCH_MACHINE
847 #endif
848
849 #ifndef LD_SWITCH_SYSTEM
850 #define LD_SWITCH_SYSTEM
851 #endif
852
853 #ifndef LD_SWITCH_X_SITE_AUX
854 #define LD_SWITCH_X_SITE_AUX
855 #endif
856
857 configure___ ld_switch_system=LD_SWITCH_SYSTEM
858 configure___ ld_switch_machine=LD_SWITCH_MACHINE
859
860 #ifdef THIS_IS_CONFIGURE
861
862 /* Get the CFLAGS for tests in configure. */
863 #ifdef __GNUC__
864 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
865 #else
866 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
867 #endif
868
869 #else /* not THIS_IS_CONFIGURE */
870
871 /* Get the CFLAGS for real compilation. */
872 #ifdef __GNUC__
873 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
874 #else
875 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
876 #endif
877
878 #endif /* not THIS_IS_CONFIGURE */
879 ' > ${tempcname}
880
881 # The value of CPP is a quoted variable reference, so we need to do this
882 # to get its actual value...
883 CPP=`eval "echo $CPP"`
884 [eval `${CPP} -Isrc ${tempcname} \
885 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
886 if test "x$SPECIFIED_CFLAGS" = x; then
887 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
888 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
889 else
890 REAL_CFLAGS="$CFLAGS"
891 fi]
892 rm ${tempcname}
893
894 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
895
896 ### Make sure subsequent tests use flags consistent with the build flags.
897
898 if test x"${OVERRIDE_CPPFLAGS}" != x; then
899 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
900 else
901 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
902 fi
903
904 dnl For AC_FUNC_GETLOADAVG, at least:
905 AC_CONFIG_LIBOBJ_DIR(src)
906
907 dnl Do this early because it can frob feature test macros for Unix-98 &c.
908 AC_SYS_LARGEFILE
909
910
911 ### The standard library on x86-64 and s390x GNU/Linux distributions can
912 ### be located in either /usr/lib64 or /usr/lib.
913 ### In some rare cases, /usr/lib64 exists but does not contain the
914 ### relevant files (bug#1287). Hence test for crtn.o.
915 case "${canonical}" in
916 x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
917 if test -e /usr/lib64/crtn.o; then
918 AC_DEFINE(HAVE_LIB64_DIR, 1,
919 [Define to 1 if the directory /usr/lib64 exists.])
920 fi
921 esac
922
923 dnl This function defintion taken from Gnome 2.0
924 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
925 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
926 dnl also defines GSTUFF_PKG_ERRORS on error
927 AC_DEFUN([PKG_CHECK_MODULES], [
928 succeeded=no
929
930 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
931
932 if test "$PKG_CONFIG" = "no" ; then
933 ifelse([$4], , [AC_MSG_ERROR([
934 *** 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])
935 else
936 PKG_CONFIG_MIN_VERSION=0.9.0
937 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
938 AC_MSG_CHECKING(for $2)
939
940 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
941 AC_MSG_RESULT(yes)
942 succeeded=yes
943
944 AC_MSG_CHECKING($1_CFLAGS)
945 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
946 AC_MSG_RESULT($$1_CFLAGS)
947
948 AC_MSG_CHECKING($1_LIBS)
949 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
950 AC_MSG_RESULT($$1_LIBS)
951 else
952 AC_MSG_RESULT(no)
953 $1_CFLAGS=""
954 $1_LIBS=""
955 ## If we have a custom action on failure, don't print errors, but
956 ## do set a variable so people can do so.
957 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
958 ifelse([$4], ,echo $$1_PKG_ERRORS,)
959 fi
960
961 AC_SUBST($1_CFLAGS)
962 AC_SUBST($1_LIBS)
963 else
964 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
965 echo "*** See http://www.freedesktop.org/software/pkgconfig"
966 fi
967 fi
968
969 if test $succeeded = yes; then
970 ifelse([$3], , :, [$3])
971 else
972 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.])], [$4])
973 fi
974 ])
975
976
977 if test "${with_sound}" != "no"; then
978 # Sound support for GNU/Linux and the free BSDs.
979 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
980 # Emulation library used on NetBSD.
981 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
982 AC_SUBST(LIBSOUND)
983
984 ALSA_REQUIRED=1.0.0
985 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
986 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
987 if test $HAVE_ALSA = yes; then
988 SAVE_CFLAGS="$CFLAGS"
989 SAVE_LDFLAGS="$LDFLAGS"
990 CFLAGS="$ALSA_CFLAGS $CFLAGS"
991 LDFLAGS="$ALSA_LIBS $LDFLAGS"
992 AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
993 emacs_alsa_normal=yes,
994 emacs_alsa_normal=no)
995 if test "$emacs_alsa_normal" != yes; then
996 AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
997 [snd_lib_error_set_handler (0);],
998 emacs_alsa_subdir=yes,
999 emacs_alsa_subdir=no)
1000 if test "$emacs_alsa_subdir" != yes; then
1001 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1002 fi
1003 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1004 fi
1005
1006 CFLAGS="$SAVE_CFLAGS"
1007 LDFLAGS="$SAVE_LDFLAGS"
1008 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1009 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1010 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1011 fi
1012 AC_SUBST(CFLAGS_SOUND)
1013 fi
1014
1015 dnl checks for header files
1016 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1017 linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1018 termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1019 sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1020 sys/utsname.h pwd.h)
1021
1022 AC_MSG_CHECKING(if personality LINUX32 can be set)
1023 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1024 emacs_cv_personality_linux32=yes,
1025 emacs_cv_personality_linux32=no)
1026 AC_MSG_RESULT($emacs_cv_personality_linux32)
1027
1028 if test $emacs_cv_personality_linux32 = yes; then
1029 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1030 [Define to 1 if personality LINUX32 can be set.])
1031 fi
1032
1033 dnl On Solaris 8 there's a compilation warning for term.h because
1034 dnl it doesn't define `bool'.
1035 AC_CHECK_HEADERS(term.h, , , -)
1036 AC_HEADER_STDC
1037 AC_HEADER_TIME
1038 AC_CHECK_DECLS([sys_siglist])
1039 if test $ac_cv_have_decl_sys_siglist != yes; then
1040 # For Tru64, at least:
1041 AC_CHECK_DECLS([__sys_siglist])
1042 if test $ac_cv_have_decl___sys_siglist = yes; then
1043 AC_DEFINE(sys_siglist, __sys_siglist,
1044 [Define to any substitute for sys_siglist.])
1045 fi
1046 fi
1047 AC_HEADER_SYS_WAIT
1048
1049 dnl Some systems have utime.h but don't declare the struct anyplace.
1050 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1051 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1052 #include <sys/time.h>
1053 #include <time.h>
1054 #else
1055 #ifdef HAVE_SYS_TIME_H
1056 #include <sys/time.h>
1057 #else
1058 #include <time.h>
1059 #endif
1060 #endif
1061 #ifdef HAVE_UTIME_H
1062 #include <utime.h>
1063 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1064 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1065 if test $emacs_cv_struct_utimbuf = yes; then
1066 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1067 fi
1068
1069 dnl checks for typedefs
1070 AC_TYPE_SIGNAL
1071
1072 dnl Check for speed_t typedef.
1073 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1074 [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1075 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1076 if test $emacs_cv_speed_t = yes; then
1077 AC_DEFINE(HAVE_SPEED_T, 1,
1078 [Define to 1 if `speed_t' is declared by <termios.h>.])
1079 fi
1080
1081 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1082 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1083 #include <sys/time.h>
1084 #include <time.h>
1085 #else
1086 #ifdef HAVE_SYS_TIME_H
1087 #include <sys/time.h>
1088 #else
1089 #include <time.h>
1090 #endif
1091 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1092 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1093 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1094 if test $emacs_cv_struct_timeval = yes; then
1095 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1096 fi
1097
1098 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1099 AC_TRY_COMPILE([#include <math.h>],
1100 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1101 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1102 HAVE_EXCEPTION=$emacs_cv_struct_exception
1103 if test $emacs_cv_struct_exception != yes; then
1104 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1105 fi
1106
1107 AC_CHECK_HEADERS(sys/socket.h)
1108 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1109 #if HAVE_SYS_SOCKET_H
1110 #include <sys/socket.h>
1111 #endif])
1112
1113 dnl checks for structure members
1114 AC_STRUCT_TM
1115 AC_STRUCT_TIMEZONE
1116 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1117 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1118 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1119 [#include <time.h>])
1120 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1121 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1122 struct ifreq.ifr_addr], , ,
1123 [AC_INCLUDES_DEFAULT
1124 #if HAVE_SYS_SOCKET_H
1125 #include <sys/socket.h>
1126 #endif
1127 #if HAVE_NET_IF_H
1128 #include <net/if.h>
1129 #endif])
1130
1131 dnl checks for compiler characteristics
1132
1133 dnl Testing __STDC__ to determine prototype support isn't good enough.
1134 dnl DEC C, for instance, doesn't define it with default options, and
1135 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1136 dnl and void *.
1137 AC_C_PROTOTYPES
1138 AC_C_VOLATILE
1139 AC_C_CONST
1140 dnl This isn't useful because we can't turn on use of `inline' unless
1141 dnl the compiler groks `extern inline'.
1142 dnl AC_C_INLINE
1143 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1144 [AC_TRY_COMPILE(, [void * foo;],
1145 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1146 if test $emacs_cv_void_star = yes; then
1147 AC_DEFINE(POINTER_TYPE, void)
1148 else
1149 AC_DEFINE(POINTER_TYPE, char)
1150 fi
1151 AH_TEMPLATE(POINTER_TYPE,
1152 [Define as `void' if your compiler accepts `void *'; otherwise
1153 define as `char'.])dnl
1154
1155
1156
1157 dnl This could be used for targets which can have both byte sexes.
1158 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1159 dnl AC_C_BIGENDIAN
1160
1161 dnl check for Make feature
1162 AC_PROG_MAKE_SET
1163
1164 dnl checks for operating system services
1165 AC_SYS_LONG_FILE_NAMES
1166
1167 #### Choose a window system.
1168
1169 AC_PATH_X
1170 if test "$no_x" = yes; then
1171 window_system=none
1172 else
1173 window_system=x11
1174 fi
1175
1176 ## Workaround for bug in autoconf <= 2.62.
1177 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1178 ## No need to do anything special for these standard directories.
1179 ## This is an experiment, take it out if it causes problems.
1180 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1181
1182 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1183
1184 fi
1185
1186 if test "${x_libraries}" != NONE; then
1187 if test -n "${x_libraries}"; then
1188 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1189 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1190 fi
1191 x_default_search_path=""
1192 x_search_path=${x_libraries}
1193 if test -z "${x_search_path}"; then
1194 x_search_path=/usr/lib
1195 fi
1196 for x_library in `echo ${x_search_path}: | \
1197 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1198 x_search_path="\
1199 ${x_library}/X11/%L/%T/%N%C%S:\
1200 ${x_library}/X11/%l/%T/%N%C%S:\
1201 ${x_library}/X11/%T/%N%C%S:\
1202 ${x_library}/X11/%L/%T/%N%S:\
1203 ${x_library}/X11/%l/%T/%N%S:\
1204 ${x_library}/X11/%T/%N%S"
1205 if test x"${x_default_search_path}" = x; then
1206 x_default_search_path=${x_search_path}
1207 else
1208 x_default_search_path="${x_search_path}:${x_default_search_path}"
1209 fi
1210 done
1211 fi
1212 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1213 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1214 fi
1215
1216 if test x"${x_includes}" = x; then
1217 bitmapdir=/usr/include/X11/bitmaps
1218 else
1219 # accumulate include directories that have X11 bitmap subdirectories
1220 bmd_acc="dummyval"
1221 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1222 if test -d "${bmd}/X11/bitmaps"; then
1223 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1224 fi
1225 if test -d "${bmd}/bitmaps"; then
1226 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1227 fi
1228 done
1229 if test ${bmd_acc} != "dummyval"; then
1230 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1231 fi
1232 fi
1233
1234 HAVE_NS=no
1235 NS_IMPL_COCOA=no
1236 NS_IMPL_GNUSTEP=no
1237 tmp_CPPFLAGS="$CPPFLAGS"
1238 tmp_CFLAGS="$CFLAGS"
1239 CPPFLAGS="$CPPFLAGS -x objective-c"
1240 CFLAGS="$CFLAGS -x objective-c"
1241 if test "${with_ns}" != no; then
1242 if test "${opsys}" = darwin; then
1243 NS_IMPL_COCOA=yes
1244 ns_appdir=`pwd`/nextstep/Emacs.app
1245 ns_appbindir=`pwd`/nextstep/Emacs.app/Contents/MacOS
1246 ns_appresdir=`pwd`/nextstep/Emacs.app/Contents/Resources
1247 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1248 elif test -f $GNUSTEP_CONFIG_FILE; then
1249 NS_IMPL_GNUSTEP=yes
1250 ns_appdir=`pwd`/nextstep/Emacs.app
1251 ns_appbindir=`pwd`/nextstep/Emacs.app
1252 ns_appresdir=`pwd`/nextstep/Emacs.app/Resources
1253 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1254 dnl FIXME sourcing this 3 times in subshells seems inefficient.
1255 GNUSTEP_MAKEFILES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_MAKEFILES)"
1256 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1257 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1258 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1259 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1260 REAL_CFLAGS="$REAL_CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1261 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES}"
1262 fi
1263 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1264 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1265 files are missing or cannot be compiled.])])
1266 NS_HAVE_NSINTEGER=yes
1267 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1268 [NSInteger i;])],
1269 ns_have_nsinteger=yes,
1270 ns_have_nsinteger=no)
1271 if test $ns_have_nsinteger = no; then
1272 NS_HAVE_NSINTEGER=no
1273 fi
1274 fi
1275 if test "${HAVE_NS}" = yes; then
1276 window_system=nextstep
1277 with_xft=no
1278 with_freetype=no
1279 # set up packaging dirs
1280 exec_prefix=${ns_appbindir}
1281 libexecdir=${ns_appbindir}/libexec
1282 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1283 prefix=${ns_appresdir}
1284 fi
1285 fi
1286 CFLAGS="$tmp_CFLAGS"
1287 CPPFLAGS="$tmp_CPPFLAGS"
1288
1289 case "${window_system}" in
1290 x11 )
1291 HAVE_X_WINDOWS=yes
1292 HAVE_X11=yes
1293 case "${with_x_toolkit}" in
1294 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1295 motif ) USE_X_TOOLKIT=MOTIF ;;
1296 gtk ) with_gtk=yes
1297 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1298 dnl USE_X_TOOLKIT is set.
1299 USE_X_TOOLKIT=none ;;
1300 no ) USE_X_TOOLKIT=none ;;
1301 dnl If user did not say whether to use a toolkit, make this decision later:
1302 dnl use the toolkit if we have gtk, or X11R5 or newer.
1303 * ) USE_X_TOOLKIT=maybe ;;
1304 esac
1305 ;;
1306 nextstep | none )
1307 HAVE_X_WINDOWS=no
1308 HAVE_X11=no
1309 USE_X_TOOLKIT=none
1310 ;;
1311 esac
1312
1313 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1314 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1315 if test "$HAVE_XSERVER" = true ||
1316 test -n "$DISPLAY" ||
1317 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1318 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1319 were found. You should install the relevant development files for X
1320 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1321 sure you have development files for image handling, i.e.
1322 tiff, gif, jpeg, png and xpm.
1323 If you are sure you want Emacs compiled without X window support, pass
1324 --without-x
1325 to configure.])
1326 fi
1327 fi
1328
1329 ### If we're using X11, we should use the X menu package.
1330 HAVE_MENUS=no
1331 case ${HAVE_X11} in
1332 yes ) HAVE_MENUS=yes ;;
1333 esac
1334
1335 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1336 # Assume not, until told otherwise.
1337 GNU_MALLOC=yes
1338 doug_lea_malloc=yes
1339 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1340 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1341 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1342 emacs_cv_var___after_morecore_hook,
1343 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1344 emacs_cv_var___after_morecore_hook=yes,
1345 emacs_cv_var___after_morecore_hook=no)])
1346 if test $emacs_cv_var___after_morecore_hook = no; then
1347 doug_lea_malloc=no
1348 fi
1349 if test "${system_malloc}" = "yes"; then
1350 GNU_MALLOC=no
1351 GNU_MALLOC_reason="
1352 (The GNU allocators don't work with this system configuration.)"
1353 fi
1354 if test "$doug_lea_malloc" = "yes" ; then
1355 if test "$GNU_MALLOC" = yes ; then
1356 GNU_MALLOC_reason="
1357 (Using Doug Lea's new malloc from the GNU C Library.)"
1358 fi
1359 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1360 [Define to 1 if you are using the GNU C Library.])
1361 fi
1362
1363 if test x"${REL_ALLOC}" = x; then
1364 REL_ALLOC=${GNU_MALLOC}
1365 fi
1366
1367 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1368 dnl the system configuration file (s/*.h) to turn the use of mmap
1369 dnl in the relocating allocator on.
1370
1371 AC_FUNC_MMAP
1372 if test $use_mmap_for_buffers = yes; then
1373 REL_ALLOC=no
1374 fi
1375
1376 LIBS="$libsrc_libs $LIBS"
1377
1378 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1379 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1380 AC_CHECK_LIB(dnet, dnet_ntoa)
1381 dnl This causes -lresolv to get used in subsequent tests,
1382 dnl which causes failures on some systems such as HPUX 9.
1383 dnl AC_CHECK_LIB(resolv, gethostbyname)
1384
1385 dnl FIXME replace main with a function we actually want from this library.
1386 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1387
1388 AC_CHECK_LIB(pthreads, cma_open)
1389
1390 dnl Check for need for bigtoc support on IBM AIX
1391
1392 case ${host_os} in
1393 aix*)
1394 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1395 case $GCC in
1396 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1397 *) gdb_cv_bigtoc=-bbigtoc ;;
1398 esac
1399
1400 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1401 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1402 ])
1403 ;;
1404 esac
1405
1406 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1407 # used for the tests that follow. We set them back to REAL_CFLAGS and
1408 # REAL_CPPFLAGS later on.
1409
1410 REAL_CPPFLAGS="$CPPFLAGS"
1411
1412 if test "${HAVE_X11}" = "yes"; then
1413 DEFS="$C_SWITCH_X_SITE $DEFS"
1414 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1415 LIBS="$LIBX $LIBS"
1416 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1417 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1418
1419 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1420 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1421 # but it's more convenient here to set LD_RUN_PATH
1422 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1423 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1424 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1425 export LD_RUN_PATH
1426 fi
1427
1428 if test "${opsys}" = "gnu-linux"; then
1429 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1430 AC_TRY_LINK([],
1431 [XOpenDisplay ("foo");],
1432 [xlinux_first_failure=no],
1433 [xlinux_first_failure=yes])
1434 if test "${xlinux_first_failure}" = "yes"; then
1435 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1436 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1437 OLD_CPPFLAGS="$CPPFLAGS"
1438 OLD_LIBS="$LIBS"
1439 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1440 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1441 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1442 LIBS="$LIBS -b i486-linuxaout"
1443 AC_TRY_LINK([],
1444 [XOpenDisplay ("foo");],
1445 [xlinux_second_failure=no],
1446 [xlinux_second_failure=yes])
1447 if test "${xlinux_second_failure}" = "yes"; then
1448 # If we get the same failure with -b, there is no use adding -b.
1449 # So take it out. This plays safe.
1450 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1451 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1452 CPPFLAGS="$OLD_CPPFLAGS"
1453 LIBS="$OLD_LIBS"
1454 AC_MSG_RESULT(no)
1455 else
1456 AC_MSG_RESULT(yes)
1457 fi
1458 else
1459 AC_MSG_RESULT(no)
1460 fi
1461 fi
1462
1463 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1464 # header files included from there.
1465 AC_MSG_CHECKING(for Xkb)
1466 AC_TRY_LINK([#include <X11/Xlib.h>
1467 #include <X11/XKBlib.h>],
1468 [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1469 emacs_xkb=yes, emacs_xkb=no)
1470 AC_MSG_RESULT($emacs_xkb)
1471 if test $emacs_xkb = yes; then
1472 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1473 fi
1474
1475 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1476 XScreenNumberOfScreen XSetWMProtocols)
1477 fi
1478
1479 if test "${window_system}" = "x11"; then
1480 AC_MSG_CHECKING(X11 version 6)
1481 AC_CACHE_VAL(emacs_cv_x11_version_6,
1482 [AC_TRY_LINK([#include <X11/Xlib.h>],
1483 [#if XlibSpecificationRelease < 6
1484 fail;
1485 #endif
1486 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1487 if test $emacs_cv_x11_version_6 = yes; then
1488 AC_MSG_RESULT(6 or newer)
1489 AC_DEFINE(HAVE_X11R6, 1,
1490 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1491 else
1492 AC_MSG_RESULT(before 6)
1493 fi
1494 fi
1495
1496
1497 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1498 HAVE_RSVG=no
1499 if test "${HAVE_X11}" = "yes"; then
1500 if test "${with_rsvg}" != "no"; then
1501 RSVG_REQUIRED=2.0.0
1502 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1503
1504 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, :, :)
1505 AC_SUBST(RSVG_CFLAGS)
1506 AC_SUBST(RSVG_LIBS)
1507
1508 if test ".${RSVG_CFLAGS}" != "."; then
1509 HAVE_RSVG=yes
1510 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1511 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1512 LIBS="$RSVG_LIBS $LIBS"
1513 fi
1514 fi
1515 fi
1516
1517
1518 HAVE_GTK=no
1519 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1520 GLIB_REQUIRED=2.6
1521 GTK_REQUIRED=2.6
1522 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1523
1524 dnl Checks for libraries.
1525 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1526 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1527 AC_MSG_ERROR($GTK_PKG_ERRORS)
1528 fi
1529 fi
1530
1531
1532 if test x"$pkg_check_gtk" = xyes; then
1533
1534 AC_SUBST(GTK_CFLAGS)
1535 AC_SUBST(GTK_LIBS)
1536 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1537 CFLAGS="$CFLAGS $GTK_CFLAGS"
1538 LIBS="$GTK_LIBS $LIBS"
1539 dnl Try to compile a simple GTK program.
1540 GTK_COMPILES=no
1541 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1542 if test "${GTK_COMPILES}" != "yes"; then
1543 if test "$USE_X_TOOLKIT" != "maybe"; then
1544 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1545 fi
1546 else
1547 HAVE_GTK=yes
1548 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1549 USE_X_TOOLKIT=none
1550 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1551 :
1552 else
1553 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1554 closing open displays. This is no problem if you just use
1555 one display, but if you use more than one and close one of them
1556 Emacs may crash.]])
1557 sleep 3
1558 fi
1559 fi
1560
1561 fi
1562
1563
1564 if test "${HAVE_GTK}" = "yes"; then
1565
1566 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1567 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1568 if test "$with_toolkit_scroll_bars" != no; then
1569 with_toolkit_scroll_bars=yes
1570 fi
1571
1572 dnl Check if we can use multiple displays with this GTK version.
1573 dnl If gdk_display_open exists, assume all others are there also.
1574 HAVE_GTK_MULTIDISPLAY=no
1575 AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
1576 if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
1577 AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
1578 [Define to 1 if GTK can handle more than one display.])
1579 fi
1580
1581 dnl Check if we have the old file selection dialog.
1582 dnl If gdk_display_open exists, assume all others are there also.
1583 HAVE_GTK_FILE_SELECTION=no
1584 AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
1585
1586 dnl Check if we have the new file chooser dialog
1587 dnl If gdk_display_open exists, assume all others are there also.
1588 HAVE_GTK_FILE_CHOOSER=no
1589 AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
1590
1591 if test "$HAVE_GTK_FILE_SELECTION" = yes \
1592 && test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1593 AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
1594 [Define to 1 if GTK has both file selection and chooser dialog.])
1595 fi
1596
1597 dnl Check if pthreads are available. Emacs only needs this when using
1598 dnl gtk_file_chooser under Gnome.
1599 if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1600 HAVE_GTK_AND_PTHREAD=no
1601 AC_CHECK_HEADERS(pthread.h)
1602 if test "$ac_cv_header_pthread_h"; then
1603 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1604 fi
1605 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1606 case "${canonical}" in
1607 *-hpux*) ;;
1608 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1609 esac
1610 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1611 [Define to 1 if you have GTK and pthread (-lpthread).])
1612 fi
1613 fi
1614 fi
1615
1616 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1617 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1618 dnl also not configured.
1619 HAVE_DBUS=no
1620 if test "${with_dbus}" = "yes"; then
1621 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1622 if test "$HAVE_DBUS" = yes; then
1623 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1624 fi
1625 fi
1626
1627 dnl Do not put whitespace before the #include statements below.
1628 dnl Older compilers (eg sunos4 cc) choke on it.
1629 HAVE_XAW3D=no
1630 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
1631 if test "$with_xaw3d" != no; then
1632 AC_MSG_CHECKING(for xaw3d)
1633 AC_CACHE_VAL(emacs_cv_xaw3d,
1634 [AC_TRY_LINK([
1635 #include <X11/Intrinsic.h>
1636 #include <X11/Xaw3d/Simple.h>],
1637 [],
1638 emacs_cv_xaw3d=yes,
1639 emacs_cv_xaw3d=no)])
1640 else
1641 emacs_cv_xaw3d=no
1642 fi
1643 if test $emacs_cv_xaw3d = yes; then
1644 AC_MSG_RESULT([yes; using Lucid toolkit])
1645 USE_X_TOOLKIT=LUCID
1646 HAVE_XAW3D=yes
1647 AC_DEFINE(HAVE_XAW3D, 1,
1648 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
1649 else
1650 AC_MSG_RESULT(no)
1651 AC_MSG_CHECKING(for libXaw)
1652 AC_CACHE_VAL(emacs_cv_xaw,
1653 [AC_TRY_LINK([
1654 #include <X11/Intrinsic.h>
1655 #include <X11/Xaw/Simple.h>],
1656 [],
1657 emacs_cv_xaw=yes,
1658 emacs_cv_xaw=no)])
1659 if test $emacs_cv_xaw = yes; then
1660 AC_MSG_RESULT([yes; using Lucid toolkit])
1661 USE_X_TOOLKIT=LUCID
1662 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
1663 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
1664 else
1665 AC_MSG_RESULT([no; do not use toolkit by default])
1666 USE_X_TOOLKIT=none
1667 fi
1668 fi
1669 fi
1670
1671 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1672
1673 if test "${USE_X_TOOLKIT}" != "none"; then
1674 AC_MSG_CHECKING(X11 toolkit version)
1675 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1676 [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1677 [#if XtSpecificationRelease < 6
1678 fail;
1679 #endif
1680 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1681 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1682 if test $emacs_cv_x11_toolkit_version_6 = yes; then
1683 AC_MSG_RESULT(6 or newer)
1684 AC_DEFINE(HAVE_X11XTR6, 1,
1685 [Define to 1 if you have the X11R6 or newer version of Xt.])
1686 else
1687 AC_MSG_RESULT(before 6)
1688 fi
1689
1690 dnl If using toolkit, check whether libXmu.a exists.
1691 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1692 OLDLIBS="$LIBS"
1693 if test x$HAVE_X11XTR6 = xyes; then
1694 LIBS="-lXt -lSM -lICE $LIBS"
1695 else
1696 LIBS="-lXt $LIBS"
1697 fi
1698 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1699 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1700 fi
1701
1702 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1703 if test "${HAVE_X11}" = "yes"; then
1704 if test "${USE_X_TOOLKIT}" != "none"; then
1705 AC_CHECK_LIB(Xext, XShapeQueryExtension)
1706 fi
1707 fi
1708
1709 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1710 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1711 [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1712 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1713 int x = 5;
1714 #else
1715 Motif version prior to 2.1.
1716 #endif],
1717 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1718 HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1719 if test $emacs_cv_motif_version_2_1 = yes; then
1720 HAVE_LIBXP=no
1721 AC_DEFINE(HAVE_MOTIF_2_1, 1,
1722 [Define to 1 if you have Motif 2.1 or newer.])
1723 AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1724 if test ${HAVE_LIBXP} = yes; then
1725 AC_DEFINE(HAVE_LIBXP, 1,
1726 [Define to 1 if you have the Xp library (-lXp).])
1727 fi
1728 else
1729 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
1730 # We put this in CFLAGS temporarily to precede other -I options
1731 # that might be in CFLAGS temporarily.
1732 # We put this in CPPFLAGS where it precedes the other -I options.
1733 OLD_CPPFLAGS=$CPPFLAGS
1734 OLD_CFLAGS=$CFLAGS
1735 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
1736 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
1737 [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
1738 [int x = 5;],
1739 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
1740 if test $emacs_cv_lesstif = yes; then
1741 # Make sure this -I option remains in CPPFLAGS after it is set
1742 # back to REAL_CPPFLAGS.
1743 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
1744 # have those other -I options anyway. Ultimately, having this
1745 # directory ultimately in CPPFLAGS will be enough.
1746 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
1747 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
1748 else
1749 CFLAGS=$OLD_CFLAGS
1750 CPPFLAGS=$OLD_CPPFLAGS
1751 fi
1752 fi
1753 fi
1754
1755 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
1756 dnl using Motif or Xaw3d is available, and unless
1757 dnl --with-toolkit-scroll-bars=no was specified.
1758
1759 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
1760 [Define to 1 if we should use toolkit scroll bars.])dnl
1761 USE_TOOLKIT_SCROLL_BARS=no
1762 if test "${with_toolkit_scroll_bars}" != "no"; then
1763 if test "${USE_X_TOOLKIT}" != "none"; then
1764 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1765 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1766 HAVE_XAW3D=no
1767 USE_TOOLKIT_SCROLL_BARS=yes
1768 elif test "${HAVE_XAW3D}" = "yes"; then
1769 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1770 USE_TOOLKIT_SCROLL_BARS=yes
1771 fi
1772 elif test "${HAVE_GTK}" = "yes"; then
1773 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1774 USE_TOOLKIT_SCROLL_BARS=yes
1775 elif test "${HAVE_NS}" = "yes"; then
1776 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1777 USE_TOOLKIT_SCROLL_BARS=yes
1778 fi
1779 fi
1780
1781 dnl See if XIM is available.
1782 AC_TRY_COMPILE([
1783 #include <X11/Xlib.h>
1784 #include <X11/Xresource.h>],
1785 [XIMProc callback;],
1786 [HAVE_XIM=yes
1787 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
1788 HAVE_XIM=no)
1789
1790 dnl `--with-xim' now controls only the initial value of use_xim at run time.
1791
1792 if test "${with_xim}" != "no"; then
1793 AC_DEFINE(USE_XIM, 1,
1794 [Define to 1 if we should use XIM, if it is available.])
1795 fi
1796
1797
1798 if test "${HAVE_XIM}" != "no"; then
1799 late_CFLAGS=$CFLAGS
1800 if test "$GCC" = yes; then
1801 CFLAGS="$CFLAGS --pedantic-errors"
1802 fi
1803 AC_TRY_COMPILE([
1804 #include <X11/Xlib.h>
1805 #include <X11/Xresource.h>],
1806 [Display *display;
1807 XrmDatabase db;
1808 char *res_name;
1809 char *res_class;
1810 XIMProc callback;
1811 XPointer *client_data;
1812 #ifndef __GNUC__
1813 /* If we're not using GCC, it's probably not XFree86, and this is
1814 probably right, but we can't use something like --pedantic-errors. */
1815 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
1816 char*, XIMProc, XPointer*);
1817 #endif
1818 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
1819 client_data);],
1820 [emacs_cv_arg6_star=yes])
1821 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
1822 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
1823 either XPointer or XPointer*.])dnl
1824 if test "$emacs_cv_arg6_star" = yes; then
1825 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
1826 else
1827 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
1828 fi
1829 CFLAGS=$late_CFLAGS
1830 fi
1831
1832 ### Start of font-backend section.
1833 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
1834 test "${HAVE_FC}" = "no" && with_freetype=no
1835
1836 ## Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'.
1837 HAVE_XFT=maybe
1838 if test "x${with_freetype}" = "xno" || test "x${with_x}" = "xno"; then
1839 with_xft="no";
1840 fi
1841 if test "x${with_xft}" != "xno"; then
1842
1843 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
1844 if test "$HAVE_XFT" != no; then
1845 OLD_CPPFLAGS="$CPPFLAGS"
1846 OLD_CFLAGS="$CFLAGS"
1847 OLD_LIBS="$LIBS"
1848 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
1849 CFLAGS="$CFLAGS $XFT_CFLAGS"
1850 LIBS="$XFT_LIBS $LIBS"
1851 AC_CHECK_HEADER(X11/Xft/Xft.h,
1852 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
1853
1854 if test "${HAVE_XFT}" = "yes"; then
1855 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
1856 AC_SUBST(XFT_LIBS)
1857 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
1858 else
1859 CPPFLAGS="$OLD_CPPFLAGS"
1860 CFLAGS="$OLD_CFLAGS"
1861 LIBS="$OLD_LIBS"
1862 fi # "${HAVE_XFT}" = "yes"
1863 fi # "$HAVE_XFT" != no
1864 fi # "x${with_xft}" != "xno"
1865
1866 dnl For the "Does Emacs use" message at the end.
1867 if test "$HAVE_XFT" != "yes"; then
1868 HAVE_XFT=no
1869 fi
1870
1871
1872 HAVE_FREETYPE=no
1873 ### Use -lfreetype if available, unless `--with-freetype=no'.
1874 if test "${HAVE_XFT}" = "yes"; then
1875 dnl As we use Xft, we anyway use freetype.
1876 dnl In this case, there's no need of additional CFLAGS and LIBS.
1877 HAVE_FREETYPE=yes
1878 FONTCONFIG_CFLAGS=
1879 FONTCONFIG_LIBS=
1880 elif test "x${with_freetype}" != "xno" && test "x${with_x}" != "xno"; then
1881
1882 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no)
1883 fi
1884
1885 HAVE_LIBOTF=no
1886 if test "${HAVE_FREETYPE}" = "yes"; then
1887 AC_DEFINE(HAVE_FREETYPE, 1,
1888 [Define to 1 if using the freetype and fontconfig libraries.])
1889 if test "${with_libotf}" != "no"; then
1890 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
1891 HAVE_LIBOTF=no)
1892 if test "$HAVE_LIBOTF" = "yes"; then
1893 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
1894 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
1895 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
1896 HAVE_OTF_GET_VARIATION_GLYPHS=no)
1897 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
1898 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
1899 [Define to 1 if libotf has OTF_get_variation_glyphs.])
1900 fi
1901 fi
1902 fi
1903 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
1904 dnl Does the new font backend require it, or can it work without it?
1905 fi
1906
1907 HAVE_M17N_FLT=no
1908 if test "${HAVE_LIBOTF}" = yes; then
1909 if test "${with_m17n_flt}" != "no"; then
1910 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
1911 if test "$HAVE_M17N_FLT" = "yes"; then
1912 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
1913 fi
1914 fi
1915 fi
1916
1917 AC_SUBST(FREETYPE_CFLAGS)
1918 AC_SUBST(FREETYPE_LIBS)
1919 AC_SUBST(FONTCONFIG_CFLAGS)
1920 AC_SUBST(FONTCONFIG_LIBS)
1921 AC_SUBST(LIBOTF_CFLAGS)
1922 AC_SUBST(LIBOTF_LIBS)
1923 AC_SUBST(M17N_FLT_CFLAGS)
1924 AC_SUBST(M17N_FLT_LIBS)
1925
1926 ### End of font-backend section.
1927
1928 ### Use -lXpm if available, unless `--with-xpm=no'.
1929 HAVE_XPM=no
1930 if test "${HAVE_X11}" = "yes"; then
1931 if test "${with_xpm}" != "no"; then
1932 AC_CHECK_HEADER(X11/xpm.h,
1933 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
1934 if test "${HAVE_XPM}" = "yes"; then
1935 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1936 AC_EGREP_CPP(no_return_alloc_pixels,
1937 [#include "X11/xpm.h"
1938 #ifndef XpmReturnAllocPixels
1939 no_return_alloc_pixels
1940 #endif
1941 ], HAVE_XPM=no, HAVE_XPM=yes)
1942
1943 if test "${HAVE_XPM}" = "yes"; then
1944 AC_MSG_RESULT(yes)
1945 else
1946 AC_MSG_RESULT(no)
1947 fi
1948 fi
1949 fi
1950
1951 if test "${HAVE_XPM}" = "yes"; then
1952 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
1953 fi
1954 fi
1955
1956 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1957 HAVE_JPEG=no
1958 if test "${HAVE_X11}" = "yes"; then
1959 if test "${with_jpeg}" != "no"; then
1960 dnl Checking for jpeglib.h can lose because of a redefinition of
1961 dnl HAVE_STDLIB_H.
1962 AC_CHECK_HEADER(jerror.h,
1963 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
1964 fi
1965
1966 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
1967 if test "${HAVE_JPEG}" = "yes"; then
1968 AC_DEFINE(HAVE_JPEG)
1969 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
1970 [#include <jpeglib.h>
1971 version=JPEG_LIB_VERSION
1972 ],
1973 [AC_DEFINE(HAVE_JPEG)],
1974 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
1975 HAVE_JPEG=no])
1976 fi
1977 fi
1978
1979 ### Use -lpng if available, unless `--with-png=no'.
1980 HAVE_PNG=no
1981 if test "${HAVE_X11}" = "yes"; then
1982 if test "${with_png}" != "no"; then
1983 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
1984 # in /usr/include/libpng.
1985 AC_CHECK_HEADERS(png.h libpng/png.h)
1986 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
1987 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
1988 fi
1989 fi
1990
1991 if test "${HAVE_PNG}" = "yes"; then
1992 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
1993 fi
1994 fi
1995
1996 ### Use -ltiff if available, unless `--with-tiff=no'.
1997 HAVE_TIFF=no
1998 if test "${HAVE_X11}" = "yes"; then
1999 if test "${with_tiff}" != "no"; then
2000 AC_CHECK_HEADER(tiffio.h,
2001 [tifflibs="-lz -lm"
2002 # At least one tiff package requires the jpeg library.
2003 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2004 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2005 fi
2006
2007 if test "${HAVE_TIFF}" = "yes"; then
2008 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2009 fi
2010 fi
2011
2012 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2013 HAVE_GIF=no
2014 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2015 AC_CHECK_HEADER(gif_lib.h,
2016 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2017 # Earlier versions can crash Emacs.
2018 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes)])
2019
2020 if test "$HAVE_GIF" = yes; then
2021 ac_gif_lib_name="-lgif"
2022 fi
2023
2024 # If gif_lib.h but no libgif, try libungif.
2025 if test x"$try_libungif" = xyes; then
2026 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes)
2027
2028 if test "$HAVE_GIF" = yes; then
2029 AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).])
2030 ac_gif_lib_name="-lungif"
2031 fi
2032 fi
2033
2034 if test "${HAVE_GIF}" = "yes"; then
2035 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).])
2036 fi
2037 fi
2038
2039 dnl Check for required libraries.
2040 if test "${HAVE_X11}" = "yes"; then
2041 MISSING=""
2042 WITH_NO=""
2043 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2044 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2045 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2046 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2047 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2048 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2049 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2050 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2051 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2052 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2053
2054 if test "X${MISSING}" != X; then
2055 AC_MSG_ERROR([The following required libraries were not found:
2056 $MISSING
2057 Maybe some development libraries/packages are missing?
2058 If you don't want to link with them give
2059 $WITH_NO
2060 as options to configure])
2061 fi
2062 fi
2063
2064 ### Use -lgpm if available, unless `--with-gpm=no'.
2065 HAVE_GPM=no
2066 if test "${with_gpm}" != "no"; then
2067 AC_CHECK_HEADER(gpm.h,
2068 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2069 fi
2070
2071 if test "${HAVE_GPM}" = "yes"; then
2072 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2073 fi
2074
2075 dnl Check for malloc/malloc.h on darwin
2076 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2077
2078 ### Use NeXTstep API to implement GUI.
2079 if test "${HAVE_NS}" = "yes"; then
2080 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2081 if test "${NS_IMPL_COCOA}" = "yes"; then
2082 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2083 GNU_OBJC_CFLAGS=
2084 LIB_SRC_EXTRA_INSTALLABLES=mac-fix-env
2085 fi
2086 if test "${EN_COCOA_EXPERIMENTAL_CTRL_G}" = "yes"; then
2087 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.])
2088 fi
2089 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2090 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2091 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2092 fi
2093 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2094 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2095 fi
2096 # We also have mouse menus.
2097 HAVE_MENUS=yes
2098 fi
2099
2100
2101 ### Use session management (-lSM -lICE) if available
2102 HAVE_X_SM=no
2103 if test "${HAVE_X11}" = "yes"; then
2104 AC_CHECK_HEADER(X11/SM/SMlib.h,
2105 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2106
2107 if test "${HAVE_X_SM}" = "yes"; then
2108 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2109 case "$LIBS" in
2110 *-lSM*) ;;
2111 *) LIBS="-lSM -lICE $LIBS" ;;
2112 esac
2113 fi
2114 fi
2115
2116 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2117 AC_CACHE_CHECK(whether netdb declares h_errno,
2118 emacs_cv_netdb_declares_h_errno,
2119 [AC_TRY_LINK([#include <netdb.h>],
2120 [return h_errno;],
2121 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2122 if test $emacs_cv_netdb_declares_h_errno = yes; then
2123 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2124 fi
2125
2126 AC_FUNC_ALLOCA
2127
2128 dnl src/alloca.c has been removed. Could also check if $ALLOCA is set?
2129 dnl FIXME is there an autoconf test that does the right thing, without
2130 dnl needing to call A_M_E afterwards?
2131 if test x"$ac_cv_func_alloca_works" != xyes; then
2132 AC_MSG_ERROR( [a system implementation of alloca is required] )
2133 fi
2134
2135 # fmod, logb, and frexp are found in -lm on most systems.
2136 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2137 AC_CHECK_LIB(m, sqrt)
2138
2139 # Check for mail-locking functions in a "mail" library. Probably this should
2140 # have the same check as for liblockfile below.
2141 AC_CHECK_LIB(mail, maillock)
2142 dnl Debian, at least:
2143 AC_CHECK_LIB(lockfile, maillock)
2144 # If we have the shared liblockfile, assume we must use it for mail
2145 # locking (e.g. Debian). If we couldn't link against liblockfile
2146 # (no liblockfile.a installed), ensure that we don't need to.
2147 if test "$ac_cv_lib_lockfile_maillock" = no; then
2148 dnl This works for files generally, not just executables.
2149 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2150 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2151 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2152 if test $ac_cv_prog_liblockfile = yes; then
2153 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2154 This probably means that movemail could lose mail.
2155 There may be a `development' package to install containing liblockfile.])
2156 else :
2157 fi
2158 fi
2159 AC_CHECK_FUNCS(touchlock)
2160 AC_CHECK_HEADERS(maillock.h)
2161
2162 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2163 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2164 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
2165 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2166 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2167 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2168 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2169 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2170 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2171 cfmakeraw cfsetspeed)
2172
2173 AC_CHECK_HEADERS(sys/un.h)
2174
2175 AC_FUNC_MKTIME
2176 if test "$ac_cv_func_working_mktime" = no; then
2177 AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2178 fi
2179
2180 AC_FUNC_GETLOADAVG
2181
2182 AC_FUNC_FSEEKO
2183
2184 # Configure getopt.
2185 m4_include([m4/getopt.m4])
2186 gl_GETOPT_IFELSE([
2187 gl_GETOPT_SUBSTITUTE_HEADER
2188 gl_PREREQ_GETOPT
2189 GETOPTOBJS='getopt.o getopt1.o'
2190 ])
2191 AC_SUBST(GETOPTOBJS)
2192
2193 AC_FUNC_GETPGRP
2194
2195 AC_FUNC_STRFTIME
2196
2197 # UNIX98 PTYs.
2198 AC_CHECK_FUNCS(grantpt)
2199
2200 # PTY-related GNU extensions.
2201 AC_CHECK_FUNCS(getpt)
2202
2203 # Check this now, so that we will NOT find the above functions in ncurses.
2204 # That is because we have not set up to link ncurses in lib-src.
2205 # It's better to believe a function is not available
2206 # than to expect to find it in ncurses.
2207 AC_CHECK_LIB(ncurses, tparm)
2208
2209 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2210
2211 resolv=no
2212 AC_TRY_LINK([#include <netinet/in.h>
2213 #include <arpa/nameser.h>
2214 #include <resolv.h>],
2215 [return res_init();],
2216 have_res_init=yes, have_res_init=no)
2217 if test "$have_res_init" = no; then
2218 OLIBS="$LIBS"
2219 LIBS="$LIBS -lresolv"
2220 AC_MSG_CHECKING(for res_init with -lresolv)
2221 AC_TRY_LINK([#include <netinet/in.h>
2222 #include <arpa/nameser.h>
2223 #include <resolv.h>],
2224 [return res_init();],
2225 have_res_init=yes, have_res_init=no)
2226 AC_MSG_RESULT($have_res_init)
2227 if test "$have_res_init" = yes ; then
2228 resolv=yes
2229 fi
2230 LIBS="$OLIBS"
2231 fi
2232
2233 if test "$have_res_init" = yes; then
2234 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2235 fi
2236
2237 # Do we need the Hesiod library to provide the support routines?
2238 if test "$with_hesiod" != no ; then
2239 # Don't set $LIBS here -- see comments above.
2240 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2241 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2242 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2243 if test "$resolv" = yes ; then
2244 RESOLVLIB=-lresolv
2245 else
2246 RESOLVLIB=
2247 fi
2248 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2249 [AC_DEFINE(HAVE_LIBHESIOD, 1,
2250 [Define to 1 if you have the hesiod library (-lhesiod).])],
2251 :, $RESOLVLIB)])
2252 fi
2253
2254 # Do we need libresolv (due to res_init or Hesiod)?
2255 if test "$resolv" = yes ; then
2256 AC_DEFINE(HAVE_LIBRESOLV, 1,
2257 [Define to 1 if you have the resolv library (-lresolv).])
2258 fi
2259
2260 # These tell us which Kerberos-related libraries to use.
2261 if test "${with_kerberos}" != no; then
2262 AC_CHECK_LIB(com_err, com_err)
2263 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2264 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2265 AC_CHECK_LIB(krb5, krb5_init_context)
2266 if test "${with_kerberos5}" = no; then
2267 AC_CHECK_LIB(des425, des_cbc_encrypt,,
2268 [AC_CHECK_LIB(des, des_cbc_encrypt)])
2269 AC_CHECK_LIB(krb4, krb_get_cred,,
2270 [AC_CHECK_LIB(krb, krb_get_cred)])
2271 fi
2272
2273 if test "${with_kerberos5}" != no; then
2274 AC_CHECK_HEADERS(krb5.h,
2275 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2276 [#include <krb5.h>])])
2277 else
2278 AC_CHECK_HEADERS(des.h,,
2279 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2280 [AC_CHECK_HEADERS(kerberos/des.h)])])
2281 AC_CHECK_HEADERS(krb.h,,
2282 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2283 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2284 fi
2285 AC_CHECK_HEADERS(com_err.h)
2286 fi
2287
2288 # Solaris requires -lintl if you want strerror (which calls dgettext)
2289 # to return localized messages.
2290 AC_CHECK_LIB(intl, dgettext)
2291
2292 AC_MSG_CHECKING(whether localtime caches TZ)
2293 AC_CACHE_VAL(emacs_cv_localtime_cache,
2294 [if test x$ac_cv_func_tzset = xyes; then
2295 AC_TRY_RUN([#include <time.h>
2296 extern char **environ;
2297 unset_TZ ()
2298 {
2299 char **from, **to;
2300 for (to = from = environ; (*to = *from); from++)
2301 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2302 to++;
2303 }
2304 char TZ_GMT0[] = "TZ=GMT0";
2305 char TZ_PST8[] = "TZ=PST8";
2306 main()
2307 {
2308 time_t now = time ((time_t *) 0);
2309 int hour_GMT0, hour_unset;
2310 if (putenv (TZ_GMT0) != 0)
2311 exit (1);
2312 hour_GMT0 = localtime (&now)->tm_hour;
2313 unset_TZ ();
2314 hour_unset = localtime (&now)->tm_hour;
2315 if (putenv (TZ_PST8) != 0)
2316 exit (1);
2317 if (localtime (&now)->tm_hour == hour_GMT0)
2318 exit (1);
2319 unset_TZ ();
2320 if (localtime (&now)->tm_hour != hour_unset)
2321 exit (1);
2322 exit (0);
2323 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2324 [# If we have tzset, assume the worst when cross-compiling.
2325 emacs_cv_localtime_cache=yes])
2326 else
2327 # If we lack tzset, report that localtime does not cache TZ,
2328 # since we can't invalidate the cache if we don't have tzset.
2329 emacs_cv_localtime_cache=no
2330 fi])dnl
2331 AC_MSG_RESULT($emacs_cv_localtime_cache)
2332 if test $emacs_cv_localtime_cache = yes; then
2333 AC_DEFINE(LOCALTIME_CACHE, 1,
2334 [Define to 1 if localtime caches TZ.])
2335 fi
2336
2337 if test "x$HAVE_TIMEVAL" = xyes; then
2338 AC_CHECK_FUNCS(gettimeofday)
2339 if test $ac_cv_func_gettimeofday = yes; then
2340 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2341 emacs_cv_gettimeofday_two_arguments,
2342 [AC_TRY_COMPILE([
2343 #ifdef TIME_WITH_SYS_TIME
2344 #include <sys/time.h>
2345 #include <time.h>
2346 #else
2347 #ifdef HAVE_SYS_TIME_H
2348 #include <sys/time.h>
2349 #else
2350 #include <time.h>
2351 #endif
2352 #endif],
2353 [struct timeval time;
2354 gettimeofday (&time, 0);],
2355 emacs_cv_gettimeofday_two_arguments=yes,
2356 emacs_cv_gettimeofday_two_arguments=no)])
2357 if test $emacs_cv_gettimeofday_two_arguments = no; then
2358 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2359 [Define to 1 if gettimeofday accepts only one argument.])
2360 fi
2361 fi
2362 fi
2363
2364 ok_so_far=yes
2365 AC_CHECK_FUNC(socket, , ok_so_far=no)
2366 if test $ok_so_far = yes; then
2367 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2368 fi
2369 if test $ok_so_far = yes; then
2370 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2371 fi
2372 if test $ok_so_far = yes; then
2373 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
2374 AC_DEFINE(HAVE_INET_SOCKETS, 1,
2375 [Define to 1 if you have inet sockets.])
2376 fi
2377
2378 AC_CHECK_HEADERS(sys/ioctl.h)
2379
2380 if test -f /usr/lpp/X11/bin/smt.exp; then
2381 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2382 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2383 fi
2384
2385 AC_MSG_CHECKING(whether system supports dynamic ptys)
2386 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2387 AC_MSG_RESULT(yes)
2388 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2389 else
2390 AC_MSG_RESULT(no)
2391 fi
2392
2393 AC_FUNC_FORK
2394
2395 dnl Adapted from Haible's version.
2396 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2397 [AC_TRY_LINK([#include <langinfo.h>],
2398 [char* cs = nl_langinfo(CODESET);],
2399 emacs_cv_langinfo_codeset=yes,
2400 emacs_cv_langinfo_codeset=no)
2401 ])
2402 if test $emacs_cv_langinfo_codeset = yes; then
2403 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2404 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2405 fi
2406
2407 AC_CHECK_TYPES(size_t)
2408
2409 AC_TYPE_MBSTATE_T
2410
2411 dnl Restrict could probably be used effectively other than in regex.c.
2412 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2413 [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2414 emacs_cv_c_restrict=yes,
2415 [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2416 emacs_cv_c_restrict=__restrict,
2417 emacs_cv_c_restrict=no)])])
2418 case "$emacs_cv_c_restrict" in
2419 yes) emacs_restrict=restrict;;
2420 no) emacs_restrict="";;
2421 *) emacs_restrict="$emacs_cv_c_restrict";;
2422 esac
2423 if test "$emacs_restrict" != __restrict; then
2424 AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2425 [Define to compiler's equivalent of C99 restrict keyword.
2426 Don't define if equivalent is `__restrict'.])
2427 fi
2428
2429 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2430 [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2431 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2432 if test "$emacs_cv_c_restrict_arr" = yes; then
2433 AC_DEFINE(__restrict_arr, __restrict,
2434 [Define to compiler's equivalent of C99 restrict keyword in array
2435 declarations. Define as empty for no equivalent.])
2436 fi
2437
2438 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2439 dnl how the tty code is related to POSIX and/or other versions of termios.
2440 dnl The following looks like a useful start.
2441 dnl
2442 dnl AC_SYS_POSIX_TERMIOS
2443 dnl if test $ac_cv_sys_posix_termios = yes; then
2444 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2445 dnl and macros for terminal control.])
2446 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2447 dnl fi
2448
2449 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
2450
2451 # Set up the CFLAGS for real compilation, so we can substitute it.
2452 CFLAGS="$REAL_CFLAGS"
2453 CPPFLAGS="$REAL_CPPFLAGS"
2454
2455 #### Find out which version of Emacs this is.
2456 [version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
2457 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2458 if test x"${version}" = x; then
2459 AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2460 fi
2461
2462 ### Specify what sort of things we'll be editing into Makefile and config.h.
2463 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2464 AC_SUBST(version)
2465 AC_SUBST(configuration)
2466 AC_SUBST(canonical)
2467 AC_SUBST(srcdir)
2468 AC_SUBST(prefix)
2469 AC_SUBST(exec_prefix)
2470 AC_SUBST(bindir)
2471 AC_SUBST(datadir)
2472 AC_SUBST(sharedstatedir)
2473 AC_SUBST(libexecdir)
2474 AC_SUBST(mandir)
2475 AC_SUBST(infodir)
2476 AC_SUBST(lispdir)
2477 AC_SUBST(locallisppath)
2478 AC_SUBST(lisppath)
2479 AC_SUBST(x_default_search_path)
2480 AC_SUBST(etcdir)
2481 AC_SUBST(archlibdir)
2482 AC_SUBST(docdir)
2483 AC_SUBST(bitmapdir)
2484 AC_SUBST(gamedir)
2485 AC_SUBST(gameuser)
2486 AC_SUBST(c_switch_system)
2487 AC_SUBST(c_switch_machine)
2488 AC_SUBST(LD_SWITCH_X_SITE)
2489 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2490 AC_SUBST(C_SWITCH_X_SITE)
2491 AC_SUBST(CFLAGS)
2492 AC_SUBST(X_TOOLKIT_TYPE)
2493 AC_SUBST(machfile)
2494 AC_SUBST(opsysfile)
2495 AC_SUBST(GETLOADAVG_LIBS)
2496 AC_SUBST(ns_appdir)
2497 AC_SUBST(ns_appbindir)
2498 AC_SUBST(ns_appresdir)
2499 AC_SUBST(ns_appsrc)
2500 AC_SUBST(GNUSTEP_MAKEFILES)
2501 AC_SUBST(GNUSTEP_SYSTEM_HEADERS)
2502 AC_SUBST(GNUSTEP_SYSTEM_LIBRARIES)
2503 AC_SUBST(GNU_OBJC_CFLAGS)
2504 AC_SUBST(LIB_SRC_EXTRA_INSTALLABLES)
2505
2506 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
2507 [Define to the canonical Emacs configuration name.])
2508 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2509 [Define to the options passed to configure.])
2510 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
2511 [Define to the used machine dependent file.])
2512 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2513 [Define to the used os dependent file.])
2514 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2515 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2516 may need to deal with X Windows. For instance, if you've defined
2517 HAVE_X_WINDOWS above and your X libraries aren't in a place that
2518 your loader can find on its own, you might want to add "-L/..." or
2519 something similar.])
2520 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2521 [Define LD_SWITCH_X_SITE_AUX with an -R option
2522 in case it's needed (for Solaris, for example).])
2523 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE},
2524 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2525 may need to deal with X Windows. For instance, if you've defined
2526 HAVE_X_WINDOWS above and your X include files aren't in a place
2527 that your compiler can find on its own, you might want to add
2528 "-I/..." or something similar.])
2529 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC},
2530 [Define to the unexec source file name.])
2531
2532 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2533 AC_DEFINE(HAVE_X_WINDOWS, 1,
2534 [Define to 1 if you want to use the X window system.])
2535 fi
2536 if test "${USE_X_TOOLKIT}" != "none" ; then
2537 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2538 if test "${USE_X_TOOLKIT}" = "LUCID"; then
2539 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
2540 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
2541 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
2542 fi
2543 fi
2544 if test "${HAVE_X11}" = "yes" ; then
2545 AC_DEFINE(HAVE_X11, 1,
2546 [Define to 1 if you want to use version 11 of X windows.
2547 Otherwise, Emacs expects to use version 10.])
2548 fi
2549 if test "${HAVE_MENUS}" = "yes" ; then
2550 AC_DEFINE(HAVE_MENUS, 1,
2551 [Define to 1 if you have mouse menus.
2552 (This is automatic if you use X, but the option to specify it remains.)
2553 It is also defined with other window systems that support xmenu.c.])
2554 fi
2555 if test "${GNU_MALLOC}" = "yes" ; then
2556 AC_DEFINE(GNU_MALLOC, 1,
2557 [Define to 1 if you want to use the GNU memory allocator.])
2558 fi
2559 if test "${REL_ALLOC}" = "yes" ; then
2560 AC_DEFINE(REL_ALLOC, 1,
2561 [Define REL_ALLOC if you want to use the relocating allocator for
2562 buffer space.])
2563 fi
2564
2565
2566 AH_TOP([/* GNU Emacs site configuration template file.
2567 Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
2568 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
2569
2570 This file is part of GNU Emacs.
2571
2572 GNU Emacs is free software: you can redistribute it and/or modify
2573 it under the terms of the GNU General Public License as published by
2574 the Free Software Foundation, either version 3 of the License, or
2575 (at your option) any later version.
2576
2577 GNU Emacs is distributed in the hope that it will be useful,
2578 but WITHOUT ANY WARRANTY; without even the implied warranty of
2579 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2580 GNU General Public License for more details.
2581
2582 You should have received a copy of the GNU General Public License
2583 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
2584
2585
2586 /* No code in Emacs #includes config.h twice, but some bits of code
2587 intended to work with other packages as well (like gmalloc.c)
2588 think they can include it as many times as they like. */
2589 #ifndef EMACS_CONFIG_H
2590 #define EMACS_CONFIG_H
2591 ])dnl
2592
2593 AH_BOTTOM([
2594 /* If we're using X11/Carbon/GNUstep, define some consequences. */
2595 #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS)
2596 #define HAVE_WINDOW_SYSTEM
2597 #define HAVE_MOUSE
2598 #endif
2599
2600 /* Sadly for now, GNUstep dump does not work. */
2601 #ifdef NS_IMPL_GNUSTEP
2602 #define CANNOT_DUMP
2603 #endif
2604
2605 /* Define AMPERSAND_FULL_NAME if you use the convention
2606 that & in the full name stands for the login id. */
2607 /* Turned on June 1996 supposing nobody will mind it. */
2608 #define AMPERSAND_FULL_NAME
2609
2610 /* Define HAVE_SOUND if we have sound support. We know it works
2611 and compiles only on the specified platforms. For others,
2612 it probably doesn't make sense to try. */
2613
2614 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
2615 #ifdef HAVE_MACHINE_SOUNDCARD_H
2616 #define HAVE_SOUND 1
2617 #endif
2618 #ifdef HAVE_SYS_SOUNDCARD_H
2619 #define HAVE_SOUND 1
2620 #endif
2621 #ifdef HAVE_SOUNDCARD_H
2622 #define HAVE_SOUND 1
2623 #endif
2624 #ifdef HAVE_ALSA
2625 #define HAVE_SOUND 1
2626 #endif
2627 #endif /* __FreeBSD__ || __NetBSD__ || __linux__ */
2628
2629 /* If using GNU, then support inline function declarations. */
2630 /* Don't try to switch on inline handling as detected by AC_C_INLINE
2631 generally, because even if non-gcc compilers accept `inline', they
2632 may reject `extern inline'. */
2633 #if defined (__GNUC__) && defined (OPTIMIZE)
2634 #define INLINE __inline__
2635 #else
2636 #define INLINE
2637 #endif
2638
2639 /* `subprocesses' should be defined if you want to
2640 have code for asynchronous subprocesses
2641 (as used in M-x compile and M-x shell).
2642 Only MSDOS does not support this (it overrides
2643 this in its config_opsysfile below). */
2644
2645 #define subprocesses
2646
2647 /* Include the os and machine dependent files. */
2648 #include config_opsysfile
2649 #include config_machfile
2650
2651 /* Set up some defines, C and LD flags for NeXTstep interface on GNUstep.
2652 (There is probably a better place to do this, but right now the Cocoa
2653 side does this in s/darwin.h and we cannot
2654 parallel this exactly since GNUstep is multi-OS. */
2655 #ifdef HAVE_NS
2656 #define OTHER_FILES ns-app
2657 # ifdef NS_IMPL_GNUSTEP
2658 /* See also .m.o rule in Makefile.in */
2659 /* FIXME: are all these flags really needed? Document here why. */
2660 # define C_SWITCH_X_SYSTEM -D_REENTRANT -fPIC -fno-strict-aliasing
2661 /* GNUstep needs a bit more pure memory. Of the existing knobs,
2662 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems. */
2663 # define SYSTEM_PURESIZE_EXTRA 30000
2664 # endif /* NS_IMPL_GNUSTEP */
2665 #endif /* HAVE_NS */
2666
2667 /* SIGTYPE is the macro we actually use. */
2668 #ifndef SIGTYPE
2669 #define SIGTYPE RETSIGTYPE
2670 #endif
2671
2672 #ifdef emacs /* Don't do this for lib-src. */
2673 /* Tell regex.c to use a type compatible with Emacs. */
2674 #define RE_TRANSLATE_TYPE Lisp_Object
2675 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
2676 #ifdef make_number
2677 /* If make_number is a macro, use it. */
2678 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
2679 #else
2680 /* If make_number is a function, avoid it. */
2681 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
2682 #endif
2683 #endif
2684
2685 /* Avoid link-time collision with system mktime if we will use our own. */
2686 #if ! HAVE_MKTIME || BROKEN_MKTIME
2687 #define mktime emacs_mktime
2688 #endif
2689
2690 #define my_strftime nstrftime /* for strftime.c */
2691
2692 /* The rest of the code currently tests the CPP symbol BSTRING.
2693 Override any claims made by the system-description files.
2694 Note that on some SCO version it is possible to have bcopy and not bcmp. */
2695 #undef BSTRING
2696 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
2697 #define BSTRING
2698 #endif
2699
2700 /* Some of the files of Emacs which are intended for use with other
2701 programs assume that if you have a config.h file, you must declare
2702 the type of getenv.
2703
2704 This declaration shouldn't appear when alloca.s or Makefile.in
2705 includes config.h. */
2706 #ifndef NOT_C_CODE
2707 extern char *getenv ();
2708 #endif
2709
2710 /* These default definitions are good for almost all machines.
2711 The exceptions override them in m/MACHINE.h. */
2712
2713 #ifndef BITS_PER_CHAR
2714 #define BITS_PER_CHAR 8
2715 #endif
2716
2717 #ifndef BITS_PER_SHORT
2718 #define BITS_PER_SHORT 16
2719 #endif
2720
2721 /* Note that lisp.h uses this in a preprocessor conditional, so it
2722 would not work to use sizeof. That being so, we do all of them
2723 without sizeof, for uniformity's sake. */
2724 #ifndef BITS_PER_INT
2725 #define BITS_PER_INT 32
2726 #endif
2727
2728 #ifndef BITS_PER_LONG
2729 #ifdef _LP64
2730 #define BITS_PER_LONG 64
2731 #else
2732 #define BITS_PER_LONG 32
2733 #endif
2734 #endif
2735
2736 /* Define if the compiler supports function prototypes. It may do so
2737 but not define __STDC__ (e.g. DEC C by default) or may define it as
2738 zero. */
2739 #undef PROTOTYPES
2740 /* For mktime.c: */
2741 #ifndef __P
2742 # if defined PROTOTYPES
2743 # define __P(args) args
2744 # else
2745 # define __P(args) ()
2746 # endif /* GCC. */
2747 #endif /* __P */
2748
2749 /* Don't include "string.h" or <stdlib.h> in non-C code. */
2750 #ifndef NOT_C_CODE
2751 #ifdef HAVE_STRING_H
2752 #include "string.h"
2753 #endif
2754 #ifdef HAVE_STRINGS_H
2755 #include "strings.h" /* May be needed for bcopy & al. */
2756 #endif
2757 #ifdef HAVE_STDLIB_H
2758 #include <stdlib.h>
2759 #endif
2760 #ifndef __GNUC__
2761 # ifdef HAVE_ALLOCA_H
2762 # include <alloca.h>
2763 # else /* AIX files deal with #pragma. */
2764 # ifndef alloca /* predefined by HP cc +Olibcalls */
2765 char *alloca ();
2766 # endif
2767 # endif /* HAVE_ALLOCA_H */
2768 #endif /* __GNUC__ */
2769 #ifndef HAVE_SIZE_T
2770 typedef unsigned size_t;
2771 #endif
2772 #endif /* NOT_C_CODE */
2773
2774 /* Define HAVE_X_I18N if we have usable i18n support. */
2775
2776 #ifdef HAVE_X11R6
2777 #define HAVE_X_I18N
2778 #elif !defined X11R5_INHIBIT_I18N
2779 #define HAVE_X_I18N
2780 #endif
2781
2782 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */
2783
2784 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
2785 #define HAVE_X11R6_XIM
2786 #endif
2787
2788 /* Should we enable expensive run-time checking of data types? */
2789 #undef ENABLE_CHECKING
2790
2791 #if defined __GNUC__ && (__GNUC__ > 2 \
2792 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
2793 #define NO_RETURN __attribute__ ((__noreturn__))
2794 #else
2795 #define NO_RETURN /* nothing */
2796 #endif
2797
2798 /* These won't be used automatically yet. We also need to know, at least,
2799 that the stack is continuous. */
2800 #ifdef __GNUC__
2801 # ifndef GC_SETJMP_WORKS
2802 /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
2803 see NON_SAVING_SETJMP in the target descriptions. */
2804 /* Exceptions (see NON_SAVING_SETJMP in target description) are
2805 SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
2806 Fixme: Deal with SVR3. */
2807 # define GC_SETJMP_WORKS 1
2808 # endif
2809 # ifndef GC_LISP_OBJECT_ALIGNMENT
2810 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
2811 # endif
2812 #endif
2813
2814 #ifndef HAVE_BCOPY
2815 #define bcopy(a,b,s) memcpy (b,a,s)
2816 #endif
2817 #ifndef HAVE_BZERO
2818 #define bzero(a,s) memset (a,0,s)
2819 #endif
2820 #ifndef HAVE_BCMP
2821 #define BCMP memcmp
2822 #endif
2823
2824 #endif /* EMACS_CONFIG_H */
2825
2826 /*
2827 Local Variables:
2828 mode: c
2829 End:
2830 */
2831 ])dnl
2832
2833 #### Report on what we decided to do.
2834 #### Report GTK as a toolkit, even if it doesn't use Xt.
2835 #### It makes printing result more understandable as using GTK sets
2836 #### toolkit_scroll_bars to yes by default.
2837 if test "${HAVE_GTK}" = "yes"; then
2838 USE_X_TOOLKIT=GTK
2839 fi
2840
2841 echo "
2842 Configured for \`${canonical}'.
2843
2844 Where should the build process find the source code? ${srcdir}
2845 What operating system and machine description files should Emacs use?
2846 \`${opsysfile}' and \`${machfile}'
2847 What compiler should emacs be built with? ${CC} ${CFLAGS}
2848 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
2849 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
2850 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
2851 What window system should Emacs use? ${window_system}
2852 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
2853
2854 if test -n "${x_includes}"; then
2855 echo " Where do we find X Windows header files? ${x_includes}"
2856 else
2857 echo " Where do we find X Windows header files? Standard dirs"
2858 fi
2859 if test -n "${x_libraries}"; then
2860 echo " Where do we find X Windows libraries? ${x_libraries}"
2861 else
2862 echo " Where do we find X Windows libraries? Standard dirs"
2863 fi
2864
2865 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
2866 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
2867 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
2868 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
2869 echo " Does Emacs use a gif library? ${HAVE_GIF} $ac_gif_lib_name"
2870 echo " Does Emacs use -lpng? ${HAVE_PNG}"
2871 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
2872 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
2873 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
2874
2875 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
2876 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
2877 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
2878 echo " Does Emacs use -lxft? ${HAVE_XFT}"
2879
2880 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
2881 echo
2882
2883 if test $USE_XASSERTS = yes; then
2884 echo " Compiling with asserts turned on."
2885 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
2886 fi
2887
2888 echo
2889
2890 if test "$USE_X_TOOLKIT" = GTK; then
2891 case "$canonical" in
2892 *cygwin*)
2893 echo "There are known problems with Emacs and Gtk+ on cygwin, so you
2894 will probably get a crash on startup. If this happens, please use another
2895 toolkit for Emacs. See etc/PROBLEMS for more information."
2896 ;;
2897 esac
2898 fi
2899
2900 if test "$HAVE_NS" = "yes"; then
2901 echo
2902 echo "You must run \"make install\" in order to test the built application.
2903 The installed application will go to nextstep/Emacs.app and can be
2904 run or moved from there."
2905 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
2906 echo "The application will be fully self-contained."
2907 else
2908 echo "The lisp resources for the application will be installed under ${prefix}.
2909 You may need to run \"make install\" with sudo. The application will fail
2910 to run if these resources are not installed."
2911 fi
2912 echo
2913 fi
2914
2915 if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then
2916 echo "D-Bus integration has been tested for GNU/Linux only."
2917 echo
2918 fi
2919
2920
2921 # Remove any trailing slashes in these variables.
2922 [test "${prefix}" != NONE &&
2923 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2924 test "${exec_prefix}" != NONE &&
2925 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
2926
2927 # Now get this: Some word that is part of the ${srcdir} directory name
2928 # or the ${configuration} value might, just might, happen to be an
2929 # identifier like `sun4' or `i386' or something, and be predefined by
2930 # the C preprocessor to some helpful value like 1, or maybe the empty
2931 # string. Needless to say consequent macro substitutions are less
2932 # than conducive to the makefile finding the correct directory.
2933 [cpp_undefs="`echo $srcdir $configuration $canonical |
2934 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
2935 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g'`"]
2936
2937 ## Check if the C preprocessor will convert `..' to `. .'. If so, set
2938 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2939 ## from Makefile.c can correctly provide the arg `-traditional' to the
2940 ## C preprocessor.
2941
2942 AC_EGREP_CPP(yes..yes,
2943 [yes..yes],
2944 CPP_NEED_TRADITIONAL=no,
2945 CPP_NEED_TRADITIONAL=yes)
2946
2947 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2948 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
2949 doc/lispref/Makefile src/Makefile.c:src/Makefile.in \
2950 lwlib/Makefile lisp/Makefile leim/Makefile, [
2951
2952 ### Make the necessary directories, if they don't exist.
2953 for dir in etc lisp ; do
2954 test -d ${dir} || mkdir ${dir}
2955 done
2956
2957 # Build src/Makefile from ${srcdir}/src/Makefile.c
2958 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2959 # This must be done after src/config.h is built, since we rely on that file.
2960
2961 echo creating src/epaths.h
2962 ${MAKE-make} epaths-force
2963
2964 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2965 # `..' to `. .' unless invoked with -traditional
2966
2967 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
2968 CPPFLAGS="$CPPFLAGS -traditional"
2969 fi
2970
2971 echo creating lib-src/Makefile
2972 ( cd lib-src
2973 rm -f junk.c junk1.c junk2.c
2974 sed -e '/start of cpp stuff/q' \
2975 < Makefile.c > junk1.c
2976 sed -e '1,/start of cpp stuff/d'\
2977 -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2978 < Makefile.c > junk.c
2979 $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2980 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2981 cat junk1.c junk2.c > Makefile.new
2982 rm -f junk.c junk1.c junk2.c
2983 chmod 444 Makefile.new
2984 mv -f Makefile.new Makefile
2985 )
2986
2987 echo creating src/Makefile
2988 ( cd src
2989 rm -f junk.c junk1.c junk2.c
2990 sed -e '/start of cpp stuff/q' \
2991 < Makefile.c > junk1.c
2992 sed -e '1,/start of cpp stuff/d'\
2993 -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2994 < Makefile.c > junk.c
2995 $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2996 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2997 cat junk1.c junk2.c > Makefile.new
2998 rm -f junk.c junk1.c junk2.c
2999 chmod 444 Makefile.new
3000 mv -f Makefile.new Makefile
3001 )
3002
3003 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3004 echo creating src/.gdbinit
3005 echo source $srcdir/src/.gdbinit > src/.gdbinit
3006 fi
3007
3008 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS" cpp_undefs="$cpp_undefs"])
3009
3010 m4_if(dnl Do not change this comment
3011 arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3012 )dnl