]> code.delx.au - gnu-emacs/blob - configure.in
Add support for m68k-*-netbsd.
[gnu-emacs] / configure.in
1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
3 dnl autoconf
4 dnl in the directory containing this script.
5 dnl
6 dnl Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003,
7 dnl 2004, 2005, 2006, 2007, 2008, 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 "${canonical}" in
337 alpha*-*-netbsd*) machine=alpha ;;
338 i[3456]86-*-netbsd*) machine=intel386 ;;
339 powerpc-*-netbsd*) machine=macppc ;;
340 sparc*-*-netbsd*) machine=sparc ;;
341 vax-*-netbsd*) machine=vax ;;
342 arm-*-netbsd*) machine=arm ;;
343 x86_64-*-netbsd*) machine=amdx86-64 ;;
344 hppa-*-netbsd*) machine=hp800 ;;
345 m68k-*-netbsd*) machine=m68k ;;
346 esac
347 ;;
348
349 ## OpenBSD ports
350 *-*-openbsd* )
351 opsys=openbsd
352 case "${canonical}" in
353 alpha*-*-openbsd*) machine=alpha ;;
354 arm-*-openbsd*) machine=arm ;;
355 i386-*-openbsd*) machine=intel386 ;;
356 powerpc-*-openbsd*) machine=macppc ;;
357 sparc*-*-openbsd*) machine=sparc ;;
358 vax-*-openbsd*) machine=vax ;;
359 x86_64-*-openbsd*) machine=amdx86-64 ;;
360 hppa-*-openbsd*) machine=hp800 ;;
361 esac
362 ;;
363
364 ## LynxOS ports
365 *-*-lynxos* )
366 opsys=lynxos
367 case "${canonical}" in
368 i[3456]86-*-lynxos*) machine=intel386 ;;
369 powerpc-*-lynxos*) machine=powerpc ;;
370 esac
371 ;;
372
373 alpha*-*-linux-gnu* )
374 machine=alpha opsys=gnu-linux
375 ;;
376
377 arm*-*-linux-gnu* )
378 machine=arm opsys=gnu-linux
379 ;;
380
381 ## Apple Darwin / Mac OS X
382 *-apple-darwin* )
383 case "${canonical}" in
384 i[3456]86-* ) machine=intel386 ;;
385 powerpc-* ) machine=macppc ;;
386 * ) unported=yes ;;
387 esac
388 opsys=darwin
389 # Define CPP as follows to make autoconf work correctly.
390 CPP="${CC-cc} -E -no-cpp-precomp"
391 # Use fink packages if available.
392 if test -d /sw/include && test -d /sw/lib; then
393 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
394 CPP="${CPP} ${GCC_TEST_OPTIONS}"
395 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
396 fi
397 ;;
398
399 ## HP 9000 series 700 and 800, running HP/UX
400 hppa*-hp-hpux10.2* )
401 machine=hp800 opsys=hpux10-20
402 ;;
403 hppa*-hp-hpux1[1-9]* )
404 machine=hp800 opsys=hpux11
405 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
406 ;;
407
408 hppa*-*-linux-gnu* )
409 machine=hp800 opsys=gnu-linux
410 ;;
411
412 ## IBM machines
413 s390-*-linux-gnu* )
414 machine=ibms390 opsys=gnu-linux
415 ;;
416 s390x-*-linux-gnu* )
417 machine=ibms390x opsys=gnu-linux
418 ;;
419 rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2* )
420 machine=ibmrs6000 opsys=aix4-2
421 ;;
422 rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3* )
423 machine=ibmrs6000 opsys=aix4-2
424 ;;
425 rs6000-ibm-aix5* | powerpc-ibm-aix5* )
426 machine=ibmrs6000 opsys=aix4-2
427 ;;
428 rs6000-ibm-aix5* | powerpc-ibm-aix6* )
429 machine=ibmrs6000 opsys=aix4-2
430 ;;
431
432 ## Macintosh PowerPC
433 powerpc*-*-linux-gnu* )
434 machine=macppc opsys=gnu-linux
435 ;;
436
437 ## Silicon Graphics machines
438 ## Iris 4D
439 mips-sgi-irix6.5 )
440 machine=iris4d opsys=irix6-5
441 # Without defining _LANGUAGE_C, things get masked out in the headers
442 # so that, for instance, grepping for `free' in stdlib.h fails and
443 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
444 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
445 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
446 ;;
447
448 ## Suns
449 sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
450 machine=sparc opsys=gnu-linux
451 ;;
452
453 *-sun-solaris* \
454 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
455 | x86_64-*-solaris2* | x86_64-*-sunos5* \
456 | powerpc*-*-solaris2* | rs6000-*-solaris2*)
457 case "${canonical}" in
458 i[3456]86-*-* ) machine=intel386 ;;
459 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
460 powerpc* | rs6000* ) machine=ibmrs6000 ;;
461 sparc* ) machine=sparc ;;
462 * ) unported=yes ;;
463 esac
464 case "${canonical}" in
465 *-sunos5.3* | *-solaris2.3* )
466 opsys=sol2-3
467 NON_GNU_CPP=/usr/ccs/lib/cpp
468 ;;
469 *-sunos5.4* | *-solaris2.4* )
470 opsys=sol2-4
471 NON_GNU_CPP=/usr/ccs/lib/cpp
472 RANLIB="ar -ts"
473 ;;
474 *-sunos5.5* | *-solaris2.5* )
475 opsys=sol2-5
476 NON_GNU_CPP=/usr/ccs/lib/cpp
477 RANLIB="ar -ts"
478 ;;
479 *-sunos5.6* | *-solaris2.6* )
480 opsys=sol2-6
481 NON_GNU_CPP=/usr/ccs/lib/cpp
482 RANLIB="ar -ts"
483 ;;
484 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
485 opsys=sol2-6
486 emacs_check_sunpro_c=yes
487 NON_GNU_CPP=/usr/ccs/lib/cpp
488 ;;
489 *-sunos5* | *-solaris* )
490 opsys=sol2-10
491 emacs_check_sunpro_c=yes
492 NON_GNU_CPP=/usr/ccs/lib/cpp
493 ;;
494 esac
495 ## Watch out for a compiler that we know will not work.
496 case "${canonical}" in
497 *-solaris* | *-sunos5* )
498 if [ "x$CC" = x/usr/ucb/cc ]; then
499 ## /usr/ucb/cc doesn't work;
500 ## we should find some other compiler that does work.
501 unset CC
502 fi
503 ;;
504 *) ;;
505 esac
506 ;;
507
508 ## Vaxen.
509 vax-dec-* )
510 machine=vax
511 case "${canonical}" in
512 *-vms* ) opsys=vms ;;
513 * ) unported=yes
514 esac
515 ;;
516
517 ## IA-64
518 ia64*-*-linux* )
519 machine=ia64 opsys=gnu-linux
520 ;;
521
522 ## Intel 386 machines where we don't care about the manufacturer
523 i[3456]86-*-* )
524 machine=intel386
525 case "${canonical}" in
526 *-cygwin ) opsys=cygwin ;;
527 *-darwin* ) opsys=darwin
528 CPP="${CC-cc} -E -no-cpp-precomp"
529 ;;
530 *-linux-gnu* ) opsys=gnu-linux ;;
531 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
532 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
533 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
534 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
535 esac
536 ;;
537
538 ## m68k Linux-based GNU system
539 m68k-*-linux-gnu* )
540 machine=m68k opsys=gnu-linux
541 ;;
542
543 ## Mips Linux-based GNU system
544 mips-*-linux-gnu* | mipsel-*-linux-gnu* \
545 | mips64-*-linux-gnu* | mips64el-*-linux-gnu* )
546 machine=mips opsys=gnu-linux
547 ;;
548
549 ## AMD x86-64 Linux-based GNU system
550 x86_64-*-linux-gnu* )
551 machine=amdx86-64 opsys=gnu-linux
552 ;;
553
554 ## Tensilica Xtensa Linux-based GNU system
555 xtensa*-*-linux-gnu* )
556 machine=xtensa opsys=gnu-linux
557 ;;
558
559 ## SuperH Linux-based GNU system
560 sh[34]*-*-linux-gnu* )
561 machine=sh3 opsys=gnu-linux
562 ;;
563
564 * )
565 unported=yes
566 ;;
567 esac
568
569 ### If the code above didn't choose an operating system, just choose
570 ### an operating system based on the configuration name. You really
571 ### only want to use this when you have no idea what the right
572 ### operating system is; if you know what operating systems a machine
573 ### runs, it's cleaner to make it explicit in the case statement
574 ### above.
575 if test x"${opsys}" = x; then
576 case "${canonical}" in
577 *-gnu* ) opsys=gnu ;;
578 *-sysv4.2uw* ) opsys=unixware ;;
579 *-sysv5uw* ) opsys=unixware ;;
580 *-sysv5OpenUNIX* ) opsys=unixware ;;
581 *-sysv4.1* | *-sysvr4.1* )
582 NON_GNU_CPP=/usr/lib/cpp
583 opsys=usg5-4 ;;
584 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
585 if [ x$NON_GNU_CPP = x ]; then
586 if [ -f /usr/ccs/lib/cpp ]; then
587 NON_GNU_CPP=/usr/ccs/lib/cpp
588 else
589 NON_GNU_CPP=/lib/cpp
590 fi
591 fi
592 opsys=usg5-4-2 ;;
593 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
594 * )
595 unported=yes
596 ;;
597 esac
598 fi
599
600 ]
601 dnl quotation ends
602
603 if test $unported = yes; then
604 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
605 Check `etc/MACHINES' for recognized configuration names.])
606 fi
607
608 machfile="m/${machine}.h"
609 opsysfile="s/${opsys}.h"
610
611
612 #### Choose a compiler.
613 test -n "$CC" && cc_specified=yes
614
615 # Save the value of CFLAGS that the user specified.
616 SPECIFIED_CFLAGS="$CFLAGS"
617
618 dnl Sets GCC=yes if using gcc.
619 AC_PROG_CC
620
621 # On Suns, sometimes $CPP names a directory.
622 if test -n "$CPP" && test -d "$CPP"; then
623 CPP=
624 fi
625
626 ## If not using gcc, and on Solaris, and no CPP specified, see if
627 ## using a Sun compiler, which needs -Xs to prevent whitespace.
628 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
629 test x"$CPP" = x; then
630 AC_MSG_CHECKING([whether we are using a Sun C compiler])
631 AC_CACHE_VAL(emacs_cv_sunpro_c,
632 [AC_TRY_LINK([],
633 [#ifndef __SUNPRO_C
634 fail;
635 #endif
636 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
637 AC_MSG_RESULT($emacs_cv_sunpro_c)
638
639 if test x"$emacs_cv_sunpro_c" = xyes; then
640 NON_GNU_CPP="$CC -E -Xs"
641 fi
642 fi
643
644 #### Some systems specify a CPP to use unless we are using GCC.
645 #### Now that we know whether we are using GCC, we can decide whether
646 #### to use that one.
647 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
648 then
649 CPP="$NON_GNU_CPP"
650 fi
651
652 #### Some systems specify a CC to use unless we are using GCC.
653 #### Now that we know whether we are using GCC, we can decide whether
654 #### to use that one.
655 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
656 test x$cc_specified != xyes
657 then
658 CC="$NON_GNU_CC"
659 fi
660
661 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
662 then
663 CC="$CC $GCC_TEST_OPTIONS"
664 fi
665
666 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
667 then
668 CC="$CC $NON_GCC_TEST_OPTIONS"
669 fi
670
671 dnl checks for Unix variants
672 AC_USE_SYSTEM_EXTENSIONS
673
674 ### Use -Wno-pointer-sign if the compiler supports it
675 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
676 SAVE_CFLAGS="$CFLAGS"
677 CFLAGS="$CFLAGS -Wno-pointer-sign"
678 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
679 if test $has_option = yes; then
680 C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
681 fi
682 AC_MSG_RESULT($has_option)
683 CFLAGS="$SAVE_CFLAGS"
684 unset has_option
685 unset SAVE_CFLAGS
686
687 #### Some other nice autoconf tests.
688
689 dnl checks for programs
690 AC_PROG_LN_S
691 AC_PROG_CPP
692 AC_PROG_INSTALL
693 if test "x$RANLIB" = x; then
694 AC_PROG_RANLIB
695 fi
696 AC_PATH_PROG(INSTALL_INFO, install-info)
697 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
698 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
699 dnl Don't use GZIP, which is used by gzip for additional parameters.
700 AC_PATH_PROG(GZIP_PROG, gzip)
701
702
703 ## Need makeinfo >= 4.6 (?) to build the manuals.
704 AC_PATH_PROG(MAKEINFO, makeinfo, no)
705 dnl By this stage, configure has already checked for egrep and set EGREP,
706 dnl or exited with an error if no egrep was found.
707 if test "$MAKEINFO" != "no" && \
708 test x"`$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
709 MAKEINFO=no
710 fi
711
712 ## Makeinfo is unusual. For a released Emacs, the manuals are
713 ## pre-built, and not deleted by the normal clean rules. makeinfo is
714 ## therefore in the category of "special tools" not normally required, which
715 ## configure does not have to check for (eg autoconf itself).
716 ## In a CVS checkout on the other hand, the manuals are not included.
717 ## So makeinfo is a requirement to build from CVS, and configure
718 ## should test for it as it does for any other build requirement.
719 ## We use the presence of $srcdir/info/emacs to distinguish a release,
720 ## with pre-built manuals, from a CVS checkout.
721 if test "$MAKEINFO" = "no"; then
722 if test "x${with_makeinfo}" = "xno"; then
723 MAKEINFO=off
724 elif ! test -e $srcdir/info/emacs; then
725 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
726 source tree does not seem to have pre-built manuals in the `info' directory.
727 Either install a suitable version of makeinfo, or re-run configure
728 with the `--without-makeinfo' option to build without the manuals.] )
729 fi
730 fi
731
732 dnl Add our options to ac_link now, after it is set up.
733
734 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
735 then
736 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
737 fi
738
739 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
740 then
741 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
742 fi
743
744 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
745 dnl If we can link with the flag, it shouldn't do any harm anyhow.
746 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
747 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
748 dnl if not built to support GNU ld.
749
750 late_LDFLAGS=$LDFLAGS
751 if test "$GCC" = yes; then
752 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
753 else
754 LDFLAGS="$LDFLAGS -znocombreloc"
755 fi
756
757 AC_MSG_CHECKING([for -znocombreloc])
758 AC_LINK_IFELSE([main(){return 0;}],
759 [AC_MSG_RESULT(yes)],
760 LDFLAGS=$late_LDFLAGS
761 [AC_MSG_RESULT(no)])
762
763 #### Extract some information from the operating system and machine files.
764
765 AC_CHECKING([the machine- and system-dependent files to find out
766 - which libraries the lib-src programs will want, and
767 - whether the GNU malloc routines are usable])
768
769 ### First figure out CFLAGS (which we use for running the compiler here)
770 ### and REAL_CFLAGS (which we use for real compilation).
771 ### The two are the same except on a few systems, where they are made
772 ### different to work around various lossages. For example,
773 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
774 ### as implying static linking.
775
776 ### If the CFLAGS env var is specified, we use that value
777 ### instead of the default.
778
779 ### It's not important that this name contain the PID; you can't run
780 ### two configures in the same directory and have anything work
781 ### anyway.
782 tempcname="conftest.c"
783
784 echo '
785 #include "'${srcdir}'/src/'${opsysfile}'"
786 #include "'${srcdir}'/src/'${machfile}'"
787 #ifndef LIBS_MACHINE
788 #define LIBS_MACHINE
789 #endif
790 #ifndef LIBS_SYSTEM
791 #define LIBS_SYSTEM
792 #endif
793 #ifndef C_SWITCH_SYSTEM
794 #define C_SWITCH_SYSTEM
795 #endif
796 #ifndef C_SWITCH_MACHINE
797 #define C_SWITCH_MACHINE
798 #endif
799 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
800 configure___ c_switch_system=C_SWITCH_SYSTEM
801 configure___ c_switch_machine=C_SWITCH_MACHINE
802
803 #ifndef LIB_X11_LIB
804 #define LIB_X11_LIB -lX11
805 #endif
806
807 #ifndef LIBX11_SYSTEM
808 #define LIBX11_SYSTEM
809 #endif
810 configure___ LIBX=LIB_X11_LIB LIBX11_SYSTEM
811
812 #ifdef UNEXEC
813 configure___ unexec=UNEXEC
814 #else
815 configure___ unexec=unexec.o
816 #endif
817
818 #ifdef SYSTEM_MALLOC
819 configure___ system_malloc=yes
820 #else
821 configure___ system_malloc=no
822 #endif
823
824 #ifdef USE_MMAP_FOR_BUFFERS
825 configure___ use_mmap_for_buffers=yes
826 #else
827 configure___ use_mmap_for_buffers=no
828 #endif
829
830 #ifndef C_DEBUG_SWITCH
831 #define C_DEBUG_SWITCH -g
832 #endif
833
834 #ifndef C_OPTIMIZE_SWITCH
835 #ifdef __GNUC__
836 #define C_OPTIMIZE_SWITCH -O2
837 #else
838 #define C_OPTIMIZE_SWITCH -O
839 #endif
840 #endif
841
842 #ifndef C_WARNINGS_SWITCH
843 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
844 #endif
845
846 #ifndef LD_SWITCH_MACHINE
847 #define LD_SWITCH_MACHINE
848 #endif
849
850 #ifndef LD_SWITCH_SYSTEM
851 #define LD_SWITCH_SYSTEM
852 #endif
853
854 #ifndef LD_SWITCH_X_SITE_AUX
855 #define LD_SWITCH_X_SITE_AUX
856 #endif
857
858 configure___ ld_switch_system=LD_SWITCH_SYSTEM
859 configure___ ld_switch_machine=LD_SWITCH_MACHINE
860
861 #ifdef THIS_IS_CONFIGURE
862
863 /* Get the CFLAGS for tests in configure. */
864 #ifdef __GNUC__
865 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
866 #else
867 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
868 #endif
869
870 #else /* not THIS_IS_CONFIGURE */
871
872 /* Get the CFLAGS for real compilation. */
873 #ifdef __GNUC__
874 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
875 #else
876 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
877 #endif
878
879 #endif /* not THIS_IS_CONFIGURE */
880 ' > ${tempcname}
881
882 # The value of CPP is a quoted variable reference, so we need to do this
883 # to get its actual value...
884 CPP=`eval "echo $CPP"`
885 [eval `${CPP} -Isrc ${tempcname} \
886 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
887 if test "x$SPECIFIED_CFLAGS" = x; then
888 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
889 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
890 else
891 REAL_CFLAGS="$CFLAGS"
892 fi]
893 rm ${tempcname}
894
895 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
896
897 ### Make sure subsequent tests use flags consistent with the build flags.
898
899 if test x"${OVERRIDE_CPPFLAGS}" != x; then
900 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
901 else
902 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
903 fi
904
905 dnl For AC_FUNC_GETLOADAVG, at least:
906 AC_CONFIG_LIBOBJ_DIR(src)
907
908 dnl Do this early because it can frob feature test macros for Unix-98 &c.
909 AC_SYS_LARGEFILE
910
911
912 ### The standard library on x86-64 and s390x GNU/Linux distributions can
913 ### be located in either /usr/lib64 or /usr/lib.
914 ### In some rare cases, /usr/lib64 exists but does not contain the
915 ### relevant files (bug#1287). Hence test for crtn.o.
916 case "${canonical}" in
917 x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
918 if test -e /usr/lib64/crtn.o; then
919 AC_DEFINE(HAVE_LIB64_DIR, 1,
920 [Define to 1 if the directory /usr/lib64 exists.])
921 fi
922 esac
923
924 dnl This function defintion taken from Gnome 2.0
925 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
926 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
927 dnl also defines GSTUFF_PKG_ERRORS on error
928 AC_DEFUN([PKG_CHECK_MODULES], [
929 succeeded=no
930
931 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
932
933 if test "$PKG_CONFIG" = "no" ; then
934 ifelse([$4], , [AC_MSG_ERROR([
935 *** 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])
936 else
937 PKG_CONFIG_MIN_VERSION=0.9.0
938 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
939 AC_MSG_CHECKING(for $2)
940
941 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
942 AC_MSG_RESULT(yes)
943 succeeded=yes
944
945 AC_MSG_CHECKING($1_CFLAGS)
946 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
947 AC_MSG_RESULT($$1_CFLAGS)
948
949 AC_MSG_CHECKING($1_LIBS)
950 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
951 AC_MSG_RESULT($$1_LIBS)
952 else
953 AC_MSG_RESULT(no)
954 $1_CFLAGS=""
955 $1_LIBS=""
956 ## If we have a custom action on failure, don't print errors, but
957 ## do set a variable so people can do so.
958 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
959 ifelse([$4], ,echo $$1_PKG_ERRORS,)
960 fi
961
962 AC_SUBST($1_CFLAGS)
963 AC_SUBST($1_LIBS)
964 else
965 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
966 echo "*** See http://www.freedesktop.org/software/pkgconfig"
967 fi
968 fi
969
970 if test $succeeded = yes; then
971 ifelse([$3], , :, [$3])
972 else
973 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.])], [$4])
974 fi
975 ])
976
977
978 if test "${with_sound}" != "no"; then
979 # Sound support for GNU/Linux and the free BSDs.
980 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
981 # Emulation library used on NetBSD.
982 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
983 AC_SUBST(LIBSOUND)
984
985 ALSA_REQUIRED=1.0.0
986 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
987 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
988 if test $HAVE_ALSA = yes; then
989 SAVE_CFLAGS="$CFLAGS"
990 SAVE_LDFLAGS="$LDFLAGS"
991 CFLAGS="$ALSA_CFLAGS $CFLAGS"
992 LDFLAGS="$ALSA_LIBS $LDFLAGS"
993 AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
994 emacs_alsa_normal=yes,
995 emacs_alsa_normal=no)
996 if test "$emacs_alsa_normal" != yes; then
997 AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
998 [snd_lib_error_set_handler (0);],
999 emacs_alsa_subdir=yes,
1000 emacs_alsa_subdir=no)
1001 if test "$emacs_alsa_subdir" != yes; then
1002 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1003 fi
1004 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1005 fi
1006
1007 CFLAGS="$SAVE_CFLAGS"
1008 LDFLAGS="$SAVE_LDFLAGS"
1009 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1010 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1011 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1012 fi
1013 AC_SUBST(CFLAGS_SOUND)
1014 fi
1015
1016 dnl checks for header files
1017 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1018 linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1019 termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1020 sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1021 sys/utsname.h pwd.h)
1022
1023 AC_MSG_CHECKING(if personality LINUX32 can be set)
1024 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1025 emacs_cv_personality_linux32=yes,
1026 emacs_cv_personality_linux32=no)
1027 AC_MSG_RESULT($emacs_cv_personality_linux32)
1028
1029 if test $emacs_cv_personality_linux32 = yes; then
1030 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1031 [Define to 1 if personality LINUX32 can be set.])
1032 fi
1033
1034 dnl On Solaris 8 there's a compilation warning for term.h because
1035 dnl it doesn't define `bool'.
1036 AC_CHECK_HEADERS(term.h, , , -)
1037 AC_HEADER_STDC
1038 AC_HEADER_TIME
1039 AC_CHECK_DECLS([sys_siglist])
1040 if test $ac_cv_have_decl_sys_siglist != yes; then
1041 # For Tru64, at least:
1042 AC_CHECK_DECLS([__sys_siglist])
1043 if test $ac_cv_have_decl___sys_siglist = yes; then
1044 AC_DEFINE(sys_siglist, __sys_siglist,
1045 [Define to any substitute for sys_siglist.])
1046 fi
1047 fi
1048 AC_HEADER_SYS_WAIT
1049
1050 dnl Some systems have utime.h but don't declare the struct anyplace.
1051 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1052 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1053 #include <sys/time.h>
1054 #include <time.h>
1055 #else
1056 #ifdef HAVE_SYS_TIME_H
1057 #include <sys/time.h>
1058 #else
1059 #include <time.h>
1060 #endif
1061 #endif
1062 #ifdef HAVE_UTIME_H
1063 #include <utime.h>
1064 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1065 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1066 if test $emacs_cv_struct_utimbuf = yes; then
1067 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1068 fi
1069
1070 dnl checks for typedefs
1071 AC_TYPE_SIGNAL
1072
1073 dnl Check for speed_t typedef.
1074 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1075 [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1076 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1077 if test $emacs_cv_speed_t = yes; then
1078 AC_DEFINE(HAVE_SPEED_T, 1,
1079 [Define to 1 if `speed_t' is declared by <termios.h>.])
1080 fi
1081
1082 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1083 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1084 #include <sys/time.h>
1085 #include <time.h>
1086 #else
1087 #ifdef HAVE_SYS_TIME_H
1088 #include <sys/time.h>
1089 #else
1090 #include <time.h>
1091 #endif
1092 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1093 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1094 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1095 if test $emacs_cv_struct_timeval = yes; then
1096 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1097 fi
1098
1099 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1100 AC_TRY_COMPILE([#include <math.h>],
1101 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1102 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1103 HAVE_EXCEPTION=$emacs_cv_struct_exception
1104 if test $emacs_cv_struct_exception != yes; then
1105 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1106 fi
1107
1108 AC_CHECK_HEADERS(sys/socket.h)
1109 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1110 #if HAVE_SYS_SOCKET_H
1111 #include <sys/socket.h>
1112 #endif])
1113
1114 dnl checks for structure members
1115 AC_STRUCT_TM
1116 AC_STRUCT_TIMEZONE
1117 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1118 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1119 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1120 [#include <time.h>])
1121 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1122 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1123 struct ifreq.ifr_addr], , ,
1124 [AC_INCLUDES_DEFAULT
1125 #if HAVE_SYS_SOCKET_H
1126 #include <sys/socket.h>
1127 #endif
1128 #if HAVE_NET_IF_H
1129 #include <net/if.h>
1130 #endif])
1131
1132 dnl checks for compiler characteristics
1133
1134 dnl Testing __STDC__ to determine prototype support isn't good enough.
1135 dnl DEC C, for instance, doesn't define it with default options, and
1136 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1137 dnl and void *.
1138 AC_C_PROTOTYPES
1139 AC_C_VOLATILE
1140 AC_C_CONST
1141 dnl This isn't useful because we can't turn on use of `inline' unless
1142 dnl the compiler groks `extern inline'.
1143 dnl AC_C_INLINE
1144 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1145 [AC_TRY_COMPILE(, [void * foo;],
1146 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1147 if test $emacs_cv_void_star = yes; then
1148 AC_DEFINE(POINTER_TYPE, void)
1149 else
1150 AC_DEFINE(POINTER_TYPE, char)
1151 fi
1152 AH_TEMPLATE(POINTER_TYPE,
1153 [Define as `void' if your compiler accepts `void *'; otherwise
1154 define as `char'.])dnl
1155
1156
1157
1158 dnl This could be used for targets which can have both byte sexes.
1159 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1160 dnl AC_C_BIGENDIAN
1161
1162 dnl check for Make feature
1163 AC_PROG_MAKE_SET
1164
1165 dnl checks for operating system services
1166 AC_SYS_LONG_FILE_NAMES
1167
1168 #### Choose a window system.
1169
1170 AC_PATH_X
1171 if test "$no_x" = yes; then
1172 window_system=none
1173 else
1174 window_system=x11
1175 fi
1176
1177 ## Workaround for bug in autoconf <= 2.62.
1178 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1179 ## No need to do anything special for these standard directories.
1180 ## This is an experiment, take it out if it causes problems.
1181 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1182
1183 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1184
1185 fi
1186
1187 if test "${x_libraries}" != NONE; then
1188 if test -n "${x_libraries}"; then
1189 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1190 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1191 fi
1192 x_default_search_path=""
1193 x_search_path=${x_libraries}
1194 if test -z "${x_search_path}"; then
1195 x_search_path=/usr/lib
1196 fi
1197 for x_library in `echo ${x_search_path}: | \
1198 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1199 x_search_path="\
1200 ${x_library}/X11/%L/%T/%N%C%S:\
1201 ${x_library}/X11/%l/%T/%N%C%S:\
1202 ${x_library}/X11/%T/%N%C%S:\
1203 ${x_library}/X11/%L/%T/%N%S:\
1204 ${x_library}/X11/%l/%T/%N%S:\
1205 ${x_library}/X11/%T/%N%S"
1206 if test x"${x_default_search_path}" = x; then
1207 x_default_search_path=${x_search_path}
1208 else
1209 x_default_search_path="${x_search_path}:${x_default_search_path}"
1210 fi
1211 done
1212 fi
1213 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1214 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1215 fi
1216
1217 if test x"${x_includes}" = x; then
1218 bitmapdir=/usr/include/X11/bitmaps
1219 else
1220 # accumulate include directories that have X11 bitmap subdirectories
1221 bmd_acc="dummyval"
1222 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1223 if test -d "${bmd}/X11/bitmaps"; then
1224 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1225 fi
1226 if test -d "${bmd}/bitmaps"; then
1227 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1228 fi
1229 done
1230 if test ${bmd_acc} != "dummyval"; then
1231 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1232 fi
1233 fi
1234
1235 HAVE_NS=no
1236 NS_IMPL_COCOA=no
1237 NS_IMPL_GNUSTEP=no
1238 tmp_CPPFLAGS="$CPPFLAGS"
1239 tmp_CFLAGS="$CFLAGS"
1240 CPPFLAGS="$CPPFLAGS -x objective-c"
1241 CFLAGS="$CFLAGS -x objective-c"
1242 if test "${with_ns}" != no; then
1243 if test "${opsys}" = darwin; then
1244 NS_IMPL_COCOA=yes
1245 ns_appdir=`pwd`/nextstep/Emacs.app
1246 ns_appbindir=`pwd`/nextstep/Emacs.app/Contents/MacOS
1247 ns_appresdir=`pwd`/nextstep/Emacs.app/Contents/Resources
1248 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1249 elif test -f $GNUSTEP_CONFIG_FILE; then
1250 NS_IMPL_GNUSTEP=yes
1251 ns_appdir=`pwd`/nextstep/Emacs.app
1252 ns_appbindir=`pwd`/nextstep/Emacs.app
1253 ns_appresdir=`pwd`/nextstep/Emacs.app/Resources
1254 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1255 dnl FIXME sourcing this 3 times in subshells seems inefficient.
1256 GNUSTEP_MAKEFILES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_MAKEFILES)"
1257 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1258 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1259 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1260 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1261 REAL_CFLAGS="$REAL_CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1262 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES}"
1263 fi
1264 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1265 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1266 files are missing or cannot be compiled.])])
1267 NS_HAVE_NSINTEGER=yes
1268 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1269 [NSInteger i;])],
1270 ns_have_nsinteger=yes,
1271 ns_have_nsinteger=no)
1272 if test $ns_have_nsinteger = no; then
1273 NS_HAVE_NSINTEGER=no
1274 fi
1275 fi
1276 if test "${HAVE_NS}" = yes; then
1277 window_system=nextstep
1278 with_xft=no
1279 with_freetype=no
1280 # set up packaging dirs
1281 exec_prefix=${ns_appbindir}
1282 libexecdir=${ns_appbindir}/libexec
1283 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1284 prefix=${ns_appresdir}
1285 fi
1286 fi
1287 CFLAGS="$tmp_CFLAGS"
1288 CPPFLAGS="$tmp_CPPFLAGS"
1289
1290 case "${window_system}" in
1291 x11 )
1292 HAVE_X_WINDOWS=yes
1293 HAVE_X11=yes
1294 case "${with_x_toolkit}" in
1295 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1296 motif ) USE_X_TOOLKIT=MOTIF ;;
1297 gtk ) with_gtk=yes
1298 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1299 dnl USE_X_TOOLKIT is set.
1300 USE_X_TOOLKIT=none ;;
1301 no ) USE_X_TOOLKIT=none ;;
1302 dnl If user did not say whether to use a toolkit, make this decision later:
1303 dnl use the toolkit if we have gtk, or X11R5 or newer.
1304 * ) USE_X_TOOLKIT=maybe ;;
1305 esac
1306 ;;
1307 nextstep | none )
1308 HAVE_X_WINDOWS=no
1309 HAVE_X11=no
1310 USE_X_TOOLKIT=none
1311 ;;
1312 esac
1313
1314 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1315 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1316 if test "$HAVE_XSERVER" = true ||
1317 test -n "$DISPLAY" ||
1318 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1319 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1320 were found. You should install the relevant development files for X
1321 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1322 sure you have development files for image handling, i.e.
1323 tiff, gif, jpeg, png and xpm.
1324 If you are sure you want Emacs compiled without X window support, pass
1325 --without-x
1326 to configure.])
1327 fi
1328 fi
1329
1330 ### If we're using X11, we should use the X menu package.
1331 HAVE_MENUS=no
1332 case ${HAVE_X11} in
1333 yes ) HAVE_MENUS=yes ;;
1334 esac
1335
1336 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1337 # Assume not, until told otherwise.
1338 GNU_MALLOC=yes
1339 doug_lea_malloc=yes
1340 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1341 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1342 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1343 emacs_cv_var___after_morecore_hook,
1344 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1345 emacs_cv_var___after_morecore_hook=yes,
1346 emacs_cv_var___after_morecore_hook=no)])
1347 if test $emacs_cv_var___after_morecore_hook = no; then
1348 doug_lea_malloc=no
1349 fi
1350 if test "${system_malloc}" = "yes"; then
1351 GNU_MALLOC=no
1352 GNU_MALLOC_reason="
1353 (The GNU allocators don't work with this system configuration.)"
1354 fi
1355 if test "$doug_lea_malloc" = "yes" ; then
1356 if test "$GNU_MALLOC" = yes ; then
1357 GNU_MALLOC_reason="
1358 (Using Doug Lea's new malloc from the GNU C Library.)"
1359 fi
1360 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1361 [Define to 1 if you are using the GNU C Library.])
1362 fi
1363
1364 if test x"${REL_ALLOC}" = x; then
1365 REL_ALLOC=${GNU_MALLOC}
1366 fi
1367
1368 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1369 dnl the system configuration file (s/*.h) to turn the use of mmap
1370 dnl in the relocating allocator on.
1371
1372 AC_FUNC_MMAP
1373 if test $use_mmap_for_buffers = yes; then
1374 REL_ALLOC=no
1375 fi
1376
1377 LIBS="$libsrc_libs $LIBS"
1378
1379 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1380 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1381 AC_CHECK_LIB(dnet, dnet_ntoa)
1382 dnl This causes -lresolv to get used in subsequent tests,
1383 dnl which causes failures on some systems such as HPUX 9.
1384 dnl AC_CHECK_LIB(resolv, gethostbyname)
1385
1386 dnl FIXME replace main with a function we actually want from this library.
1387 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1388
1389 AC_CHECK_LIB(pthreads, cma_open)
1390
1391 dnl Check for need for bigtoc support on IBM AIX
1392
1393 case ${host_os} in
1394 aix*)
1395 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1396 case $GCC in
1397 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1398 *) gdb_cv_bigtoc=-bbigtoc ;;
1399 esac
1400
1401 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1402 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1403 ])
1404 ;;
1405 esac
1406
1407 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1408 # used for the tests that follow. We set them back to REAL_CFLAGS and
1409 # REAL_CPPFLAGS later on.
1410
1411 REAL_CPPFLAGS="$CPPFLAGS"
1412
1413 if test "${HAVE_X11}" = "yes"; then
1414 DEFS="$C_SWITCH_X_SITE $DEFS"
1415 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1416 LIBS="$LIBX $LIBS"
1417 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1418 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1419
1420 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1421 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1422 # but it's more convenient here to set LD_RUN_PATH
1423 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1424 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1425 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1426 export LD_RUN_PATH
1427 fi
1428
1429 if test "${opsys}" = "gnu-linux"; then
1430 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1431 AC_TRY_LINK([],
1432 [XOpenDisplay ("foo");],
1433 [xlinux_first_failure=no],
1434 [xlinux_first_failure=yes])
1435 if test "${xlinux_first_failure}" = "yes"; then
1436 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1437 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1438 OLD_CPPFLAGS="$CPPFLAGS"
1439 OLD_LIBS="$LIBS"
1440 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1441 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1442 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1443 LIBS="$LIBS -b i486-linuxaout"
1444 AC_TRY_LINK([],
1445 [XOpenDisplay ("foo");],
1446 [xlinux_second_failure=no],
1447 [xlinux_second_failure=yes])
1448 if test "${xlinux_second_failure}" = "yes"; then
1449 # If we get the same failure with -b, there is no use adding -b.
1450 # So take it out. This plays safe.
1451 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1452 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1453 CPPFLAGS="$OLD_CPPFLAGS"
1454 LIBS="$OLD_LIBS"
1455 AC_MSG_RESULT(no)
1456 else
1457 AC_MSG_RESULT(yes)
1458 fi
1459 else
1460 AC_MSG_RESULT(no)
1461 fi
1462 fi
1463
1464 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1465 # header files included from there.
1466 AC_MSG_CHECKING(for Xkb)
1467 AC_TRY_LINK([#include <X11/Xlib.h>
1468 #include <X11/XKBlib.h>],
1469 [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1470 emacs_xkb=yes, emacs_xkb=no)
1471 AC_MSG_RESULT($emacs_xkb)
1472 if test $emacs_xkb = yes; then
1473 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1474 fi
1475
1476 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1477 XScreenNumberOfScreen XSetWMProtocols)
1478 fi
1479
1480 if test "${window_system}" = "x11"; then
1481 AC_MSG_CHECKING(X11 version 6)
1482 AC_CACHE_VAL(emacs_cv_x11_version_6,
1483 [AC_TRY_LINK([#include <X11/Xlib.h>],
1484 [#if XlibSpecificationRelease < 6
1485 fail;
1486 #endif
1487 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1488 if test $emacs_cv_x11_version_6 = yes; then
1489 AC_MSG_RESULT(6 or newer)
1490 AC_DEFINE(HAVE_X11R6, 1,
1491 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1492 else
1493 AC_MSG_RESULT(before 6)
1494 fi
1495 fi
1496
1497
1498 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1499 HAVE_RSVG=no
1500 if test "${HAVE_X11}" = "yes"; then
1501 if test "${with_rsvg}" != "no"; then
1502 RSVG_REQUIRED=2.0.0
1503 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1504
1505 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, :, :)
1506 AC_SUBST(RSVG_CFLAGS)
1507 AC_SUBST(RSVG_LIBS)
1508
1509 if test ".${RSVG_CFLAGS}" != "."; then
1510 HAVE_RSVG=yes
1511 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1512 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1513 LIBS="$RSVG_LIBS $LIBS"
1514 fi
1515 fi
1516 fi
1517
1518
1519 HAVE_GTK=no
1520 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1521 GLIB_REQUIRED=2.6
1522 GTK_REQUIRED=2.6
1523 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1524
1525 dnl Checks for libraries.
1526 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1527 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1528 AC_MSG_ERROR($GTK_PKG_ERRORS)
1529 fi
1530 fi
1531
1532
1533 if test x"$pkg_check_gtk" = xyes; then
1534
1535 AC_SUBST(GTK_CFLAGS)
1536 AC_SUBST(GTK_LIBS)
1537 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1538 CFLAGS="$CFLAGS $GTK_CFLAGS"
1539 LIBS="$GTK_LIBS $LIBS"
1540 dnl Try to compile a simple GTK program.
1541 GTK_COMPILES=no
1542 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1543 if test "${GTK_COMPILES}" != "yes"; then
1544 if test "$USE_X_TOOLKIT" != "maybe"; then
1545 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1546 fi
1547 else
1548 HAVE_GTK=yes
1549 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1550 USE_X_TOOLKIT=none
1551 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1552 :
1553 else
1554 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1555 closing open displays. This is no problem if you just use
1556 one display, but if you use more than one and close one of them
1557 Emacs may crash.]])
1558 sleep 3
1559 fi
1560 fi
1561
1562 fi
1563
1564
1565 if test "${HAVE_GTK}" = "yes"; then
1566
1567 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1568 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1569 if test "$with_toolkit_scroll_bars" != no; then
1570 with_toolkit_scroll_bars=yes
1571 fi
1572
1573 dnl Check if we can use multiple displays with this GTK version.
1574 dnl If gdk_display_open exists, assume all others are there also.
1575 HAVE_GTK_MULTIDISPLAY=no
1576 AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
1577 if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
1578 AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
1579 [Define to 1 if GTK can handle more than one display.])
1580 fi
1581
1582 dnl Check if we have the old file selection dialog.
1583 dnl If gdk_display_open exists, assume all others are there also.
1584 HAVE_GTK_FILE_SELECTION=no
1585 AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
1586
1587 dnl Check if we have the new file chooser dialog
1588 dnl If gdk_display_open exists, assume all others are there also.
1589 HAVE_GTK_FILE_CHOOSER=no
1590 AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
1591
1592 if test "$HAVE_GTK_FILE_SELECTION" = yes \
1593 && test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1594 AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
1595 [Define to 1 if GTK has both file selection and chooser dialog.])
1596 fi
1597
1598 dnl Check if pthreads are available. Emacs only needs this when using
1599 dnl gtk_file_chooser under Gnome.
1600 if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1601 HAVE_GTK_AND_PTHREAD=no
1602 AC_CHECK_HEADERS(pthread.h)
1603 if test "$ac_cv_header_pthread_h"; then
1604 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1605 fi
1606 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1607 case "${canonical}" in
1608 *-hpux*) ;;
1609 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1610 esac
1611 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1612 [Define to 1 if you have GTK and pthread (-lpthread).])
1613 fi
1614 fi
1615 fi
1616
1617 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1618 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1619 dnl also not configured.
1620 HAVE_DBUS=no
1621 if test "${with_dbus}" = "yes"; then
1622 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1623 if test "$HAVE_DBUS" = yes; then
1624 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1625 fi
1626 fi
1627
1628 dnl Do not put whitespace before the #include statements below.
1629 dnl Older compilers (eg sunos4 cc) choke on it.
1630 HAVE_XAW3D=no
1631 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
1632 if test "$with_xaw3d" != no; then
1633 AC_MSG_CHECKING(for xaw3d)
1634 AC_CACHE_VAL(emacs_cv_xaw3d,
1635 [AC_TRY_LINK([
1636 #include <X11/Intrinsic.h>
1637 #include <X11/Xaw3d/Simple.h>],
1638 [],
1639 emacs_cv_xaw3d=yes,
1640 emacs_cv_xaw3d=no)])
1641 else
1642 emacs_cv_xaw3d=no
1643 fi
1644 if test $emacs_cv_xaw3d = yes; then
1645 AC_MSG_RESULT([yes; using Lucid toolkit])
1646 USE_X_TOOLKIT=LUCID
1647 HAVE_XAW3D=yes
1648 AC_DEFINE(HAVE_XAW3D, 1,
1649 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
1650 else
1651 AC_MSG_RESULT(no)
1652 AC_MSG_CHECKING(for libXaw)
1653 AC_CACHE_VAL(emacs_cv_xaw,
1654 [AC_TRY_LINK([
1655 #include <X11/Intrinsic.h>
1656 #include <X11/Xaw/Simple.h>],
1657 [],
1658 emacs_cv_xaw=yes,
1659 emacs_cv_xaw=no)])
1660 if test $emacs_cv_xaw = yes; then
1661 AC_MSG_RESULT([yes; using Lucid toolkit])
1662 USE_X_TOOLKIT=LUCID
1663 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
1664 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
1665 else
1666 AC_MSG_RESULT([no; do not use toolkit by default])
1667 USE_X_TOOLKIT=none
1668 fi
1669 fi
1670 fi
1671
1672 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1673
1674 if test "${USE_X_TOOLKIT}" != "none"; then
1675 AC_MSG_CHECKING(X11 toolkit version)
1676 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1677 [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1678 [#if XtSpecificationRelease < 6
1679 fail;
1680 #endif
1681 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1682 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1683 if test $emacs_cv_x11_toolkit_version_6 = yes; then
1684 AC_MSG_RESULT(6 or newer)
1685 AC_DEFINE(HAVE_X11XTR6, 1,
1686 [Define to 1 if you have the X11R6 or newer version of Xt.])
1687 else
1688 AC_MSG_RESULT(before 6)
1689 fi
1690
1691 dnl If using toolkit, check whether libXmu.a exists.
1692 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1693 OLDLIBS="$LIBS"
1694 if test x$HAVE_X11XTR6 = xyes; then
1695 LIBS="-lXt -lSM -lICE $LIBS"
1696 else
1697 LIBS="-lXt $LIBS"
1698 fi
1699 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1700 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1701 fi
1702
1703 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1704 if test "${HAVE_X11}" = "yes"; then
1705 if test "${USE_X_TOOLKIT}" != "none"; then
1706 AC_CHECK_LIB(Xext, XShapeQueryExtension)
1707 fi
1708 fi
1709
1710 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1711 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1712 [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1713 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1714 int x = 5;
1715 #else
1716 Motif version prior to 2.1.
1717 #endif],
1718 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1719 HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1720 if test $emacs_cv_motif_version_2_1 = yes; then
1721 HAVE_LIBXP=no
1722 AC_DEFINE(HAVE_MOTIF_2_1, 1,
1723 [Define to 1 if you have Motif 2.1 or newer.])
1724 AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1725 if test ${HAVE_LIBXP} = yes; then
1726 AC_DEFINE(HAVE_LIBXP, 1,
1727 [Define to 1 if you have the Xp library (-lXp).])
1728 fi
1729 else
1730 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
1731 # We put this in CFLAGS temporarily to precede other -I options
1732 # that might be in CFLAGS temporarily.
1733 # We put this in CPPFLAGS where it precedes the other -I options.
1734 OLD_CPPFLAGS=$CPPFLAGS
1735 OLD_CFLAGS=$CFLAGS
1736 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
1737 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
1738 [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
1739 [int x = 5;],
1740 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
1741 if test $emacs_cv_lesstif = yes; then
1742 # Make sure this -I option remains in CPPFLAGS after it is set
1743 # back to REAL_CPPFLAGS.
1744 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
1745 # have those other -I options anyway. Ultimately, having this
1746 # directory ultimately in CPPFLAGS will be enough.
1747 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
1748 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
1749 else
1750 CFLAGS=$OLD_CFLAGS
1751 CPPFLAGS=$OLD_CPPFLAGS
1752 fi
1753 fi
1754 fi
1755
1756 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
1757 dnl using Motif or Xaw3d is available, and unless
1758 dnl --with-toolkit-scroll-bars=no was specified.
1759
1760 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
1761 [Define to 1 if we should use toolkit scroll bars.])dnl
1762 USE_TOOLKIT_SCROLL_BARS=no
1763 if test "${with_toolkit_scroll_bars}" != "no"; then
1764 if test "${USE_X_TOOLKIT}" != "none"; then
1765 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1766 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1767 HAVE_XAW3D=no
1768 USE_TOOLKIT_SCROLL_BARS=yes
1769 elif test "${HAVE_XAW3D}" = "yes"; then
1770 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1771 USE_TOOLKIT_SCROLL_BARS=yes
1772 fi
1773 elif test "${HAVE_GTK}" = "yes"; then
1774 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1775 USE_TOOLKIT_SCROLL_BARS=yes
1776 elif test "${HAVE_NS}" = "yes"; then
1777 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1778 USE_TOOLKIT_SCROLL_BARS=yes
1779 fi
1780 fi
1781
1782 dnl See if XIM is available.
1783 AC_TRY_COMPILE([
1784 #include <X11/Xlib.h>
1785 #include <X11/Xresource.h>],
1786 [XIMProc callback;],
1787 [HAVE_XIM=yes
1788 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
1789 HAVE_XIM=no)
1790
1791 dnl `--with-xim' now controls only the initial value of use_xim at run time.
1792
1793 if test "${with_xim}" != "no"; then
1794 AC_DEFINE(USE_XIM, 1,
1795 [Define to 1 if we should use XIM, if it is available.])
1796 fi
1797
1798
1799 if test "${HAVE_XIM}" != "no"; then
1800 late_CFLAGS=$CFLAGS
1801 if test "$GCC" = yes; then
1802 CFLAGS="$CFLAGS --pedantic-errors"
1803 fi
1804 AC_TRY_COMPILE([
1805 #include <X11/Xlib.h>
1806 #include <X11/Xresource.h>],
1807 [Display *display;
1808 XrmDatabase db;
1809 char *res_name;
1810 char *res_class;
1811 XIMProc callback;
1812 XPointer *client_data;
1813 #ifndef __GNUC__
1814 /* If we're not using GCC, it's probably not XFree86, and this is
1815 probably right, but we can't use something like --pedantic-errors. */
1816 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
1817 char*, XIMProc, XPointer*);
1818 #endif
1819 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
1820 client_data);],
1821 [emacs_cv_arg6_star=yes])
1822 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
1823 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
1824 either XPointer or XPointer*.])dnl
1825 if test "$emacs_cv_arg6_star" = yes; then
1826 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
1827 else
1828 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
1829 fi
1830 CFLAGS=$late_CFLAGS
1831 fi
1832
1833 ### Start of font-backend section.
1834 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
1835 test "${HAVE_FC}" = "no" && with_freetype=no
1836
1837 ## Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'.
1838 HAVE_XFT=maybe
1839 if test "x${with_freetype}" = "xno" || test "x${with_x}" = "xno"; then
1840 with_xft="no";
1841 fi
1842 if test "x${with_xft}" != "xno"; then
1843
1844 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
1845 if test "$HAVE_XFT" != no; then
1846 OLD_CPPFLAGS="$CPPFLAGS"
1847 OLD_CFLAGS="$CFLAGS"
1848 OLD_LIBS="$LIBS"
1849 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
1850 CFLAGS="$CFLAGS $XFT_CFLAGS"
1851 LIBS="$XFT_LIBS $LIBS"
1852 AC_CHECK_HEADER(X11/Xft/Xft.h,
1853 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
1854
1855 if test "${HAVE_XFT}" = "yes"; then
1856 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
1857 AC_SUBST(XFT_LIBS)
1858 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
1859 else
1860 CPPFLAGS="$OLD_CPPFLAGS"
1861 CFLAGS="$OLD_CFLAGS"
1862 LIBS="$OLD_LIBS"
1863 fi # "${HAVE_XFT}" = "yes"
1864 fi # "$HAVE_XFT" != no
1865 fi # "x${with_xft}" != "xno"
1866
1867 dnl For the "Does Emacs use" message at the end.
1868 if test "$HAVE_XFT" != "yes"; then
1869 HAVE_XFT=no
1870 fi
1871
1872
1873 HAVE_FREETYPE=no
1874 ### Use -lfreetype if available, unless `--with-freetype=no'.
1875 if test "${HAVE_XFT}" = "yes"; then
1876 dnl As we use Xft, we anyway use freetype.
1877 dnl In this case, there's no need of additional CFLAGS and LIBS.
1878 HAVE_FREETYPE=yes
1879 FONTCONFIG_CFLAGS=
1880 FONTCONFIG_LIBS=
1881 elif test "x${with_freetype}" != "xno" && test "x${with_x}" != "xno"; then
1882
1883 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no)
1884 fi
1885
1886 HAVE_LIBOTF=no
1887 if test "${HAVE_FREETYPE}" = "yes"; then
1888 AC_DEFINE(HAVE_FREETYPE, 1,
1889 [Define to 1 if using the freetype and fontconfig libraries.])
1890 if test "${with_libotf}" != "no"; then
1891 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
1892 HAVE_LIBOTF=no)
1893 if test "$HAVE_LIBOTF" = "yes"; then
1894 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
1895 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
1896 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
1897 HAVE_OTF_GET_VARIATION_GLYPHS=no)
1898 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
1899 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
1900 [Define to 1 if libotf has OTF_get_variation_glyphs.])
1901 fi
1902 fi
1903 fi
1904 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
1905 dnl Does the new font backend require it, or can it work without it?
1906 fi
1907
1908 HAVE_M17N_FLT=no
1909 if test "${HAVE_LIBOTF}" = yes; then
1910 if test "${with_m17n_flt}" != "no"; then
1911 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
1912 if test "$HAVE_M17N_FLT" = "yes"; then
1913 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
1914 fi
1915 fi
1916 fi
1917
1918 AC_SUBST(FREETYPE_CFLAGS)
1919 AC_SUBST(FREETYPE_LIBS)
1920 AC_SUBST(FONTCONFIG_CFLAGS)
1921 AC_SUBST(FONTCONFIG_LIBS)
1922 AC_SUBST(LIBOTF_CFLAGS)
1923 AC_SUBST(LIBOTF_LIBS)
1924 AC_SUBST(M17N_FLT_CFLAGS)
1925 AC_SUBST(M17N_FLT_LIBS)
1926
1927 ### End of font-backend section.
1928
1929 ### Use -lXpm if available, unless `--with-xpm=no'.
1930 HAVE_XPM=no
1931 if test "${HAVE_X11}" = "yes"; then
1932 if test "${with_xpm}" != "no"; then
1933 AC_CHECK_HEADER(X11/xpm.h,
1934 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
1935 if test "${HAVE_XPM}" = "yes"; then
1936 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1937 AC_EGREP_CPP(no_return_alloc_pixels,
1938 [#include "X11/xpm.h"
1939 #ifndef XpmReturnAllocPixels
1940 no_return_alloc_pixels
1941 #endif
1942 ], HAVE_XPM=no, HAVE_XPM=yes)
1943
1944 if test "${HAVE_XPM}" = "yes"; then
1945 AC_MSG_RESULT(yes)
1946 else
1947 AC_MSG_RESULT(no)
1948 fi
1949 fi
1950 fi
1951
1952 if test "${HAVE_XPM}" = "yes"; then
1953 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
1954 fi
1955 fi
1956
1957 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1958 HAVE_JPEG=no
1959 if test "${HAVE_X11}" = "yes"; then
1960 if test "${with_jpeg}" != "no"; then
1961 dnl Checking for jpeglib.h can lose because of a redefinition of
1962 dnl HAVE_STDLIB_H.
1963 AC_CHECK_HEADER(jerror.h,
1964 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
1965 fi
1966
1967 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
1968 if test "${HAVE_JPEG}" = "yes"; then
1969 AC_DEFINE(HAVE_JPEG)
1970 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
1971 [#include <jpeglib.h>
1972 version=JPEG_LIB_VERSION
1973 ],
1974 [AC_DEFINE(HAVE_JPEG)],
1975 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
1976 HAVE_JPEG=no])
1977 fi
1978 fi
1979
1980 ### Use -lpng if available, unless `--with-png=no'.
1981 HAVE_PNG=no
1982 if test "${HAVE_X11}" = "yes"; then
1983 if test "${with_png}" != "no"; then
1984 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
1985 # in /usr/include/libpng.
1986 AC_CHECK_HEADERS(png.h libpng/png.h)
1987 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
1988 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
1989 fi
1990 fi
1991
1992 if test "${HAVE_PNG}" = "yes"; then
1993 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
1994 fi
1995 fi
1996
1997 ### Use -ltiff if available, unless `--with-tiff=no'.
1998 HAVE_TIFF=no
1999 if test "${HAVE_X11}" = "yes"; then
2000 if test "${with_tiff}" != "no"; then
2001 AC_CHECK_HEADER(tiffio.h,
2002 [tifflibs="-lz -lm"
2003 # At least one tiff package requires the jpeg library.
2004 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2005 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2006 fi
2007
2008 if test "${HAVE_TIFF}" = "yes"; then
2009 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2010 fi
2011 fi
2012
2013 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2014 HAVE_GIF=no
2015 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2016 AC_CHECK_HEADER(gif_lib.h,
2017 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2018 # Earlier versions can crash Emacs.
2019 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes)])
2020
2021 if test "$HAVE_GIF" = yes; then
2022 ac_gif_lib_name="-lgif"
2023 fi
2024
2025 # If gif_lib.h but no libgif, try libungif.
2026 if test x"$try_libungif" = xyes; then
2027 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes)
2028
2029 if test "$HAVE_GIF" = yes; then
2030 AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).])
2031 ac_gif_lib_name="-lungif"
2032 fi
2033 fi
2034
2035 if test "${HAVE_GIF}" = "yes"; then
2036 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).])
2037 fi
2038 fi
2039
2040 dnl Check for required libraries.
2041 if test "${HAVE_X11}" = "yes"; then
2042 MISSING=""
2043 WITH_NO=""
2044 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2045 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2046 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2047 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2048 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2049 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2050 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2051 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2052 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2053 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2054
2055 if test "X${MISSING}" != X; then
2056 AC_MSG_ERROR([The following required libraries were not found:
2057 $MISSING
2058 Maybe some development libraries/packages are missing?
2059 If you don't want to link with them give
2060 $WITH_NO
2061 as options to configure])
2062 fi
2063 fi
2064
2065 ### Use -lgpm if available, unless `--with-gpm=no'.
2066 HAVE_GPM=no
2067 if test "${with_gpm}" != "no"; then
2068 AC_CHECK_HEADER(gpm.h,
2069 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2070 fi
2071
2072 if test "${HAVE_GPM}" = "yes"; then
2073 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2074 fi
2075
2076 dnl Check for malloc/malloc.h on darwin
2077 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2078
2079 ### Use NeXTstep API to implement GUI.
2080 if test "${HAVE_NS}" = "yes"; then
2081 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2082 if test "${NS_IMPL_COCOA}" = "yes"; then
2083 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2084 GNU_OBJC_CFLAGS=
2085 LIB_SRC_EXTRA_INSTALLABLES=mac-fix-env
2086 fi
2087 if test "${EN_COCOA_EXPERIMENTAL_CTRL_G}" = "yes"; then
2088 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.])
2089 fi
2090 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2091 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2092 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2093 fi
2094 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2095 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2096 fi
2097 # We also have mouse menus.
2098 HAVE_MENUS=yes
2099 fi
2100
2101
2102 ### Use session management (-lSM -lICE) if available
2103 HAVE_X_SM=no
2104 if test "${HAVE_X11}" = "yes"; then
2105 AC_CHECK_HEADER(X11/SM/SMlib.h,
2106 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2107
2108 if test "${HAVE_X_SM}" = "yes"; then
2109 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2110 case "$LIBS" in
2111 *-lSM*) ;;
2112 *) LIBS="-lSM -lICE $LIBS" ;;
2113 esac
2114 fi
2115 fi
2116
2117 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2118 AC_CACHE_CHECK(whether netdb declares h_errno,
2119 emacs_cv_netdb_declares_h_errno,
2120 [AC_TRY_LINK([#include <netdb.h>],
2121 [return h_errno;],
2122 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2123 if test $emacs_cv_netdb_declares_h_errno = yes; then
2124 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2125 fi
2126
2127 AC_FUNC_ALLOCA
2128
2129 dnl src/alloca.c has been removed. Could also check if $ALLOCA is set?
2130 dnl FIXME is there an autoconf test that does the right thing, without
2131 dnl needing to call A_M_E afterwards?
2132 if test x"$ac_cv_func_alloca_works" != xyes; then
2133 AC_MSG_ERROR( [a system implementation of alloca is required] )
2134 fi
2135
2136 # fmod, logb, and frexp are found in -lm on most systems.
2137 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2138 AC_CHECK_LIB(m, sqrt)
2139
2140 # Check for mail-locking functions in a "mail" library. Probably this should
2141 # have the same check as for liblockfile below.
2142 AC_CHECK_LIB(mail, maillock)
2143 dnl Debian, at least:
2144 AC_CHECK_LIB(lockfile, maillock)
2145 # If we have the shared liblockfile, assume we must use it for mail
2146 # locking (e.g. Debian). If we couldn't link against liblockfile
2147 # (no liblockfile.a installed), ensure that we don't need to.
2148 if test "$ac_cv_lib_lockfile_maillock" = no; then
2149 dnl This works for files generally, not just executables.
2150 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2151 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2152 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2153 if test $ac_cv_prog_liblockfile = yes; then
2154 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2155 This probably means that movemail could lose mail.
2156 There may be a `development' package to install containing liblockfile.])
2157 else :
2158 fi
2159 fi
2160 AC_CHECK_FUNCS(touchlock)
2161 AC_CHECK_HEADERS(maillock.h)
2162
2163 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2164 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2165 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
2166 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2167 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2168 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2169 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2170 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2171 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2172 cfmakeraw cfsetspeed)
2173
2174 AC_CHECK_HEADERS(sys/un.h)
2175
2176 AC_FUNC_MKTIME
2177 if test "$ac_cv_func_working_mktime" = no; then
2178 AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2179 fi
2180
2181 AC_FUNC_GETLOADAVG
2182
2183 AC_FUNC_FSEEKO
2184
2185 # Configure getopt.
2186 m4_include([m4/getopt.m4])
2187 gl_GETOPT_IFELSE([
2188 gl_GETOPT_SUBSTITUTE_HEADER
2189 gl_PREREQ_GETOPT
2190 GETOPTOBJS='getopt.o getopt1.o'
2191 ])
2192 AC_SUBST(GETOPTOBJS)
2193
2194 AC_FUNC_GETPGRP
2195
2196 AC_FUNC_STRFTIME
2197
2198 # UNIX98 PTYs.
2199 AC_CHECK_FUNCS(grantpt)
2200
2201 # PTY-related GNU extensions.
2202 AC_CHECK_FUNCS(getpt)
2203
2204 # Check this now, so that we will NOT find the above functions in ncurses.
2205 # That is because we have not set up to link ncurses in lib-src.
2206 # It's better to believe a function is not available
2207 # than to expect to find it in ncurses.
2208 AC_CHECK_LIB(ncurses, tparm)
2209
2210 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2211
2212 resolv=no
2213 AC_TRY_LINK([#include <netinet/in.h>
2214 #include <arpa/nameser.h>
2215 #include <resolv.h>],
2216 [return res_init();],
2217 have_res_init=yes, have_res_init=no)
2218 if test "$have_res_init" = no; then
2219 OLIBS="$LIBS"
2220 LIBS="$LIBS -lresolv"
2221 AC_MSG_CHECKING(for res_init with -lresolv)
2222 AC_TRY_LINK([#include <netinet/in.h>
2223 #include <arpa/nameser.h>
2224 #include <resolv.h>],
2225 [return res_init();],
2226 have_res_init=yes, have_res_init=no)
2227 AC_MSG_RESULT($have_res_init)
2228 if test "$have_res_init" = yes ; then
2229 resolv=yes
2230 fi
2231 LIBS="$OLIBS"
2232 fi
2233
2234 if test "$have_res_init" = yes; then
2235 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2236 fi
2237
2238 # Do we need the Hesiod library to provide the support routines?
2239 if test "$with_hesiod" != no ; then
2240 # Don't set $LIBS here -- see comments above.
2241 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2242 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2243 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2244 if test "$resolv" = yes ; then
2245 RESOLVLIB=-lresolv
2246 else
2247 RESOLVLIB=
2248 fi
2249 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2250 [AC_DEFINE(HAVE_LIBHESIOD, 1,
2251 [Define to 1 if you have the hesiod library (-lhesiod).])],
2252 :, $RESOLVLIB)])
2253 fi
2254
2255 # Do we need libresolv (due to res_init or Hesiod)?
2256 if test "$resolv" = yes ; then
2257 AC_DEFINE(HAVE_LIBRESOLV, 1,
2258 [Define to 1 if you have the resolv library (-lresolv).])
2259 fi
2260
2261 # These tell us which Kerberos-related libraries to use.
2262 if test "${with_kerberos}" != no; then
2263 AC_CHECK_LIB(com_err, com_err)
2264 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2265 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2266 AC_CHECK_LIB(krb5, krb5_init_context)
2267 if test "${with_kerberos5}" = no; then
2268 AC_CHECK_LIB(des425, des_cbc_encrypt,,
2269 [AC_CHECK_LIB(des, des_cbc_encrypt)])
2270 AC_CHECK_LIB(krb4, krb_get_cred,,
2271 [AC_CHECK_LIB(krb, krb_get_cred)])
2272 fi
2273
2274 if test "${with_kerberos5}" != no; then
2275 AC_CHECK_HEADERS(krb5.h,
2276 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2277 [#include <krb5.h>])])
2278 else
2279 AC_CHECK_HEADERS(des.h,,
2280 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2281 [AC_CHECK_HEADERS(kerberos/des.h)])])
2282 AC_CHECK_HEADERS(krb.h,,
2283 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2284 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2285 fi
2286 AC_CHECK_HEADERS(com_err.h)
2287 fi
2288
2289 # Solaris requires -lintl if you want strerror (which calls dgettext)
2290 # to return localized messages.
2291 AC_CHECK_LIB(intl, dgettext)
2292
2293 AC_MSG_CHECKING(whether localtime caches TZ)
2294 AC_CACHE_VAL(emacs_cv_localtime_cache,
2295 [if test x$ac_cv_func_tzset = xyes; then
2296 AC_TRY_RUN([#include <time.h>
2297 extern char **environ;
2298 unset_TZ ()
2299 {
2300 char **from, **to;
2301 for (to = from = environ; (*to = *from); from++)
2302 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2303 to++;
2304 }
2305 char TZ_GMT0[] = "TZ=GMT0";
2306 char TZ_PST8[] = "TZ=PST8";
2307 main()
2308 {
2309 time_t now = time ((time_t *) 0);
2310 int hour_GMT0, hour_unset;
2311 if (putenv (TZ_GMT0) != 0)
2312 exit (1);
2313 hour_GMT0 = localtime (&now)->tm_hour;
2314 unset_TZ ();
2315 hour_unset = localtime (&now)->tm_hour;
2316 if (putenv (TZ_PST8) != 0)
2317 exit (1);
2318 if (localtime (&now)->tm_hour == hour_GMT0)
2319 exit (1);
2320 unset_TZ ();
2321 if (localtime (&now)->tm_hour != hour_unset)
2322 exit (1);
2323 exit (0);
2324 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2325 [# If we have tzset, assume the worst when cross-compiling.
2326 emacs_cv_localtime_cache=yes])
2327 else
2328 # If we lack tzset, report that localtime does not cache TZ,
2329 # since we can't invalidate the cache if we don't have tzset.
2330 emacs_cv_localtime_cache=no
2331 fi])dnl
2332 AC_MSG_RESULT($emacs_cv_localtime_cache)
2333 if test $emacs_cv_localtime_cache = yes; then
2334 AC_DEFINE(LOCALTIME_CACHE, 1,
2335 [Define to 1 if localtime caches TZ.])
2336 fi
2337
2338 if test "x$HAVE_TIMEVAL" = xyes; then
2339 AC_CHECK_FUNCS(gettimeofday)
2340 if test $ac_cv_func_gettimeofday = yes; then
2341 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2342 emacs_cv_gettimeofday_two_arguments,
2343 [AC_TRY_COMPILE([
2344 #ifdef TIME_WITH_SYS_TIME
2345 #include <sys/time.h>
2346 #include <time.h>
2347 #else
2348 #ifdef HAVE_SYS_TIME_H
2349 #include <sys/time.h>
2350 #else
2351 #include <time.h>
2352 #endif
2353 #endif],
2354 [struct timeval time;
2355 gettimeofday (&time, 0);],
2356 emacs_cv_gettimeofday_two_arguments=yes,
2357 emacs_cv_gettimeofday_two_arguments=no)])
2358 if test $emacs_cv_gettimeofday_two_arguments = no; then
2359 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2360 [Define to 1 if gettimeofday accepts only one argument.])
2361 fi
2362 fi
2363 fi
2364
2365 ok_so_far=yes
2366 AC_CHECK_FUNC(socket, , ok_so_far=no)
2367 if test $ok_so_far = yes; then
2368 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2369 fi
2370 if test $ok_so_far = yes; then
2371 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2372 fi
2373 if test $ok_so_far = yes; then
2374 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
2375 AC_DEFINE(HAVE_INET_SOCKETS, 1,
2376 [Define to 1 if you have inet sockets.])
2377 fi
2378
2379 AC_CHECK_HEADERS(sys/ioctl.h)
2380
2381 if test -f /usr/lpp/X11/bin/smt.exp; then
2382 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2383 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2384 fi
2385
2386 AC_MSG_CHECKING(whether system supports dynamic ptys)
2387 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2388 AC_MSG_RESULT(yes)
2389 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2390 else
2391 AC_MSG_RESULT(no)
2392 fi
2393
2394 AC_FUNC_FORK
2395
2396 dnl Adapted from Haible's version.
2397 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2398 [AC_TRY_LINK([#include <langinfo.h>],
2399 [char* cs = nl_langinfo(CODESET);],
2400 emacs_cv_langinfo_codeset=yes,
2401 emacs_cv_langinfo_codeset=no)
2402 ])
2403 if test $emacs_cv_langinfo_codeset = yes; then
2404 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2405 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2406 fi
2407
2408 AC_CHECK_TYPES(size_t)
2409
2410 AC_TYPE_MBSTATE_T
2411
2412 dnl Restrict could probably be used effectively other than in regex.c.
2413 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2414 [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2415 emacs_cv_c_restrict=yes,
2416 [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2417 emacs_cv_c_restrict=__restrict,
2418 emacs_cv_c_restrict=no)])])
2419 case "$emacs_cv_c_restrict" in
2420 yes) emacs_restrict=restrict;;
2421 no) emacs_restrict="";;
2422 *) emacs_restrict="$emacs_cv_c_restrict";;
2423 esac
2424 if test "$emacs_restrict" != __restrict; then
2425 AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2426 [Define to compiler's equivalent of C99 restrict keyword.
2427 Don't define if equivalent is `__restrict'.])
2428 fi
2429
2430 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2431 [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2432 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2433 if test "$emacs_cv_c_restrict_arr" = yes; then
2434 AC_DEFINE(__restrict_arr, __restrict,
2435 [Define to compiler's equivalent of C99 restrict keyword in array
2436 declarations. Define as empty for no equivalent.])
2437 fi
2438
2439 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2440 dnl how the tty code is related to POSIX and/or other versions of termios.
2441 dnl The following looks like a useful start.
2442 dnl
2443 dnl AC_SYS_POSIX_TERMIOS
2444 dnl if test $ac_cv_sys_posix_termios = yes; then
2445 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2446 dnl and macros for terminal control.])
2447 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2448 dnl fi
2449
2450 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
2451
2452 # Set up the CFLAGS for real compilation, so we can substitute it.
2453 CFLAGS="$REAL_CFLAGS"
2454 CPPFLAGS="$REAL_CPPFLAGS"
2455
2456 #### Find out which version of Emacs this is.
2457 [version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
2458 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2459 if test x"${version}" = x; then
2460 AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2461 fi
2462
2463 ### Specify what sort of things we'll be editing into Makefile and config.h.
2464 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2465 AC_SUBST(version)
2466 AC_SUBST(configuration)
2467 AC_SUBST(canonical)
2468 AC_SUBST(srcdir)
2469 AC_SUBST(prefix)
2470 AC_SUBST(exec_prefix)
2471 AC_SUBST(bindir)
2472 AC_SUBST(datadir)
2473 AC_SUBST(sharedstatedir)
2474 AC_SUBST(libexecdir)
2475 AC_SUBST(mandir)
2476 AC_SUBST(infodir)
2477 AC_SUBST(lispdir)
2478 AC_SUBST(locallisppath)
2479 AC_SUBST(lisppath)
2480 AC_SUBST(x_default_search_path)
2481 AC_SUBST(etcdir)
2482 AC_SUBST(archlibdir)
2483 AC_SUBST(docdir)
2484 AC_SUBST(bitmapdir)
2485 AC_SUBST(gamedir)
2486 AC_SUBST(gameuser)
2487 AC_SUBST(c_switch_system)
2488 AC_SUBST(c_switch_machine)
2489 AC_SUBST(LD_SWITCH_X_SITE)
2490 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2491 AC_SUBST(C_SWITCH_X_SITE)
2492 AC_SUBST(CFLAGS)
2493 AC_SUBST(X_TOOLKIT_TYPE)
2494 AC_SUBST(machfile)
2495 AC_SUBST(opsysfile)
2496 AC_SUBST(GETLOADAVG_LIBS)
2497 AC_SUBST(ns_appdir)
2498 AC_SUBST(ns_appbindir)
2499 AC_SUBST(ns_appresdir)
2500 AC_SUBST(ns_appsrc)
2501 AC_SUBST(GNUSTEP_MAKEFILES)
2502 AC_SUBST(GNUSTEP_SYSTEM_HEADERS)
2503 AC_SUBST(GNUSTEP_SYSTEM_LIBRARIES)
2504 AC_SUBST(GNU_OBJC_CFLAGS)
2505 AC_SUBST(LIB_SRC_EXTRA_INSTALLABLES)
2506
2507 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
2508 [Define to the canonical Emacs configuration name.])
2509 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2510 [Define to the options passed to configure.])
2511 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
2512 [Define to the used machine dependent file.])
2513 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2514 [Define to the used os dependent file.])
2515 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2516 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2517 may need to deal with X Windows. For instance, if you've defined
2518 HAVE_X_WINDOWS above and your X libraries aren't in a place that
2519 your loader can find on its own, you might want to add "-L/..." or
2520 something similar.])
2521 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2522 [Define LD_SWITCH_X_SITE_AUX with an -R option
2523 in case it's needed (for Solaris, for example).])
2524 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE},
2525 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2526 may need to deal with X Windows. For instance, if you've defined
2527 HAVE_X_WINDOWS above and your X include files aren't in a place
2528 that your compiler can find on its own, you might want to add
2529 "-I/..." or something similar.])
2530 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC},
2531 [Define to the unexec source file name.])
2532
2533 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2534 AC_DEFINE(HAVE_X_WINDOWS, 1,
2535 [Define to 1 if you want to use the X window system.])
2536 fi
2537 if test "${USE_X_TOOLKIT}" != "none" ; then
2538 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2539 if test "${USE_X_TOOLKIT}" = "LUCID"; then
2540 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
2541 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
2542 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
2543 fi
2544 fi
2545 if test "${HAVE_X11}" = "yes" ; then
2546 AC_DEFINE(HAVE_X11, 1,
2547 [Define to 1 if you want to use version 11 of X windows.
2548 Otherwise, Emacs expects to use version 10.])
2549 fi
2550 if test "${HAVE_MENUS}" = "yes" ; then
2551 AC_DEFINE(HAVE_MENUS, 1,
2552 [Define to 1 if you have mouse menus.
2553 (This is automatic if you use X, but the option to specify it remains.)
2554 It is also defined with other window systems that support xmenu.c.])
2555 fi
2556 if test "${GNU_MALLOC}" = "yes" ; then
2557 AC_DEFINE(GNU_MALLOC, 1,
2558 [Define to 1 if you want to use the GNU memory allocator.])
2559 fi
2560 if test "${REL_ALLOC}" = "yes" ; then
2561 AC_DEFINE(REL_ALLOC, 1,
2562 [Define REL_ALLOC if you want to use the relocating allocator for
2563 buffer space.])
2564 fi
2565
2566
2567 AH_TOP([/* GNU Emacs site configuration template file.
2568 Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
2569 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
2570
2571 This file is part of GNU Emacs.
2572
2573 GNU Emacs is free software: you can redistribute it and/or modify
2574 it under the terms of the GNU General Public License as published by
2575 the Free Software Foundation, either version 3 of the License, or
2576 (at your option) any later version.
2577
2578 GNU Emacs is distributed in the hope that it will be useful,
2579 but WITHOUT ANY WARRANTY; without even the implied warranty of
2580 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2581 GNU General Public License for more details.
2582
2583 You should have received a copy of the GNU General Public License
2584 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
2585
2586
2587 /* No code in Emacs #includes config.h twice, but some bits of code
2588 intended to work with other packages as well (like gmalloc.c)
2589 think they can include it as many times as they like. */
2590 #ifndef EMACS_CONFIG_H
2591 #define EMACS_CONFIG_H
2592 ])dnl
2593
2594 AH_BOTTOM([
2595 /* If we're using X11/Carbon/GNUstep, define some consequences. */
2596 #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS)
2597 #define HAVE_WINDOW_SYSTEM
2598 #define HAVE_MOUSE
2599 #endif
2600
2601 /* Sadly for now, GNUstep dump does not work. */
2602 #ifdef NS_IMPL_GNUSTEP
2603 #define CANNOT_DUMP
2604 #endif
2605
2606 /* Define AMPERSAND_FULL_NAME if you use the convention
2607 that & in the full name stands for the login id. */
2608 /* Turned on June 1996 supposing nobody will mind it. */
2609 #define AMPERSAND_FULL_NAME
2610
2611 /* Define HAVE_SOUND if we have sound support. We know it works
2612 and compiles only on the specified platforms. For others,
2613 it probably doesn't make sense to try. */
2614
2615 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
2616 #ifdef HAVE_MACHINE_SOUNDCARD_H
2617 #define HAVE_SOUND 1
2618 #endif
2619 #ifdef HAVE_SYS_SOUNDCARD_H
2620 #define HAVE_SOUND 1
2621 #endif
2622 #ifdef HAVE_SOUNDCARD_H
2623 #define HAVE_SOUND 1
2624 #endif
2625 #ifdef HAVE_ALSA
2626 #define HAVE_SOUND 1
2627 #endif
2628 #endif /* __FreeBSD__ || __NetBSD__ || __linux__ */
2629
2630 /* If using GNU, then support inline function declarations. */
2631 /* Don't try to switch on inline handling as detected by AC_C_INLINE
2632 generally, because even if non-gcc compilers accept `inline', they
2633 may reject `extern inline'. */
2634 #if defined (__GNUC__) && defined (OPTIMIZE)
2635 #define INLINE __inline__
2636 #else
2637 #define INLINE
2638 #endif
2639
2640 /* `subprocesses' should be defined if you want to
2641 have code for asynchronous subprocesses
2642 (as used in M-x compile and M-x shell).
2643 Only MSDOS does not support this (it overrides
2644 this in its config_opsysfile below). */
2645
2646 #define subprocesses
2647
2648 /* Include the os and machine dependent files. */
2649 #include config_opsysfile
2650 #include config_machfile
2651
2652 /* Set up some defines, C and LD flags for NeXTstep interface on GNUstep.
2653 (There is probably a better place to do this, but right now the Cocoa
2654 side does this in s/darwin.h and we cannot
2655 parallel this exactly since GNUstep is multi-OS. */
2656 #ifdef HAVE_NS
2657 #define OTHER_FILES ns-app
2658 # ifdef NS_IMPL_GNUSTEP
2659 /* See also .m.o rule in Makefile.in */
2660 /* FIXME: are all these flags really needed? Document here why. */
2661 # define C_SWITCH_X_SYSTEM -D_REENTRANT -fPIC -fno-strict-aliasing
2662 /* GNUstep needs a bit more pure memory. Of the existing knobs,
2663 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems. */
2664 # define SYSTEM_PURESIZE_EXTRA 30000
2665 # endif /* NS_IMPL_GNUSTEP */
2666 #endif /* HAVE_NS */
2667
2668 /* SIGTYPE is the macro we actually use. */
2669 #ifndef SIGTYPE
2670 #define SIGTYPE RETSIGTYPE
2671 #endif
2672
2673 #ifdef emacs /* Don't do this for lib-src. */
2674 /* Tell regex.c to use a type compatible with Emacs. */
2675 #define RE_TRANSLATE_TYPE Lisp_Object
2676 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
2677 #ifdef make_number
2678 /* If make_number is a macro, use it. */
2679 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
2680 #else
2681 /* If make_number is a function, avoid it. */
2682 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
2683 #endif
2684 #endif
2685
2686 /* Avoid link-time collision with system mktime if we will use our own. */
2687 #if ! HAVE_MKTIME || BROKEN_MKTIME
2688 #define mktime emacs_mktime
2689 #endif
2690
2691 #define my_strftime nstrftime /* for strftime.c */
2692
2693 /* The rest of the code currently tests the CPP symbol BSTRING.
2694 Override any claims made by the system-description files.
2695 Note that on some SCO version it is possible to have bcopy and not bcmp. */
2696 #undef BSTRING
2697 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
2698 #define BSTRING
2699 #endif
2700
2701 /* Some of the files of Emacs which are intended for use with other
2702 programs assume that if you have a config.h file, you must declare
2703 the type of getenv.
2704
2705 This declaration shouldn't appear when alloca.s or Makefile.in
2706 includes config.h. */
2707 #ifndef NOT_C_CODE
2708 extern char *getenv ();
2709 #endif
2710
2711 /* These default definitions are good for almost all machines.
2712 The exceptions override them in m/MACHINE.h. */
2713
2714 #ifndef BITS_PER_CHAR
2715 #define BITS_PER_CHAR 8
2716 #endif
2717
2718 #ifndef BITS_PER_SHORT
2719 #define BITS_PER_SHORT 16
2720 #endif
2721
2722 /* Note that lisp.h uses this in a preprocessor conditional, so it
2723 would not work to use sizeof. That being so, we do all of them
2724 without sizeof, for uniformity's sake. */
2725 #ifndef BITS_PER_INT
2726 #define BITS_PER_INT 32
2727 #endif
2728
2729 #ifndef BITS_PER_LONG
2730 #ifdef _LP64
2731 #define BITS_PER_LONG 64
2732 #else
2733 #define BITS_PER_LONG 32
2734 #endif
2735 #endif
2736
2737 /* Define if the compiler supports function prototypes. It may do so
2738 but not define __STDC__ (e.g. DEC C by default) or may define it as
2739 zero. */
2740 #undef PROTOTYPES
2741 /* For mktime.c: */
2742 #ifndef __P
2743 # if defined PROTOTYPES
2744 # define __P(args) args
2745 # else
2746 # define __P(args) ()
2747 # endif /* GCC. */
2748 #endif /* __P */
2749
2750 /* Don't include "string.h" or <stdlib.h> in non-C code. */
2751 #ifndef NOT_C_CODE
2752 #ifdef HAVE_STRING_H
2753 #include "string.h"
2754 #endif
2755 #ifdef HAVE_STRINGS_H
2756 #include "strings.h" /* May be needed for bcopy & al. */
2757 #endif
2758 #ifdef HAVE_STDLIB_H
2759 #include <stdlib.h>
2760 #endif
2761 #ifndef __GNUC__
2762 # ifdef HAVE_ALLOCA_H
2763 # include <alloca.h>
2764 # else /* AIX files deal with #pragma. */
2765 # ifndef alloca /* predefined by HP cc +Olibcalls */
2766 char *alloca ();
2767 # endif
2768 # endif /* HAVE_ALLOCA_H */
2769 #endif /* __GNUC__ */
2770 #ifndef HAVE_SIZE_T
2771 typedef unsigned size_t;
2772 #endif
2773 #endif /* NOT_C_CODE */
2774
2775 /* Define HAVE_X_I18N if we have usable i18n support. */
2776
2777 #ifdef HAVE_X11R6
2778 #define HAVE_X_I18N
2779 #elif !defined X11R5_INHIBIT_I18N
2780 #define HAVE_X_I18N
2781 #endif
2782
2783 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */
2784
2785 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
2786 #define HAVE_X11R6_XIM
2787 #endif
2788
2789 /* Should we enable expensive run-time checking of data types? */
2790 #undef ENABLE_CHECKING
2791
2792 #if defined __GNUC__ && (__GNUC__ > 2 \
2793 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
2794 #define NO_RETURN __attribute__ ((__noreturn__))
2795 #else
2796 #define NO_RETURN /* nothing */
2797 #endif
2798
2799 /* These won't be used automatically yet. We also need to know, at least,
2800 that the stack is continuous. */
2801 #ifdef __GNUC__
2802 # ifndef GC_SETJMP_WORKS
2803 /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
2804 see NON_SAVING_SETJMP in the target descriptions. */
2805 /* Exceptions (see NON_SAVING_SETJMP in target description) are
2806 SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
2807 Fixme: Deal with SVR3. */
2808 # define GC_SETJMP_WORKS 1
2809 # endif
2810 # ifndef GC_LISP_OBJECT_ALIGNMENT
2811 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
2812 # endif
2813 #endif
2814
2815 #ifndef HAVE_BCOPY
2816 #define bcopy(a,b,s) memcpy (b,a,s)
2817 #endif
2818 #ifndef HAVE_BZERO
2819 #define bzero(a,s) memset (a,0,s)
2820 #endif
2821 #ifndef HAVE_BCMP
2822 #define BCMP memcmp
2823 #endif
2824
2825 #endif /* EMACS_CONFIG_H */
2826
2827 /*
2828 Local Variables:
2829 mode: c
2830 End:
2831 */
2832 ])dnl
2833
2834 #### Report on what we decided to do.
2835 #### Report GTK as a toolkit, even if it doesn't use Xt.
2836 #### It makes printing result more understandable as using GTK sets
2837 #### toolkit_scroll_bars to yes by default.
2838 if test "${HAVE_GTK}" = "yes"; then
2839 USE_X_TOOLKIT=GTK
2840 fi
2841
2842 echo "
2843 Configured for \`${canonical}'.
2844
2845 Where should the build process find the source code? ${srcdir}
2846 What operating system and machine description files should Emacs use?
2847 \`${opsysfile}' and \`${machfile}'
2848 What compiler should emacs be built with? ${CC} ${CFLAGS}
2849 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
2850 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
2851 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
2852 What window system should Emacs use? ${window_system}
2853 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
2854
2855 if test -n "${x_includes}"; then
2856 echo " Where do we find X Windows header files? ${x_includes}"
2857 else
2858 echo " Where do we find X Windows header files? Standard dirs"
2859 fi
2860 if test -n "${x_libraries}"; then
2861 echo " Where do we find X Windows libraries? ${x_libraries}"
2862 else
2863 echo " Where do we find X Windows libraries? Standard dirs"
2864 fi
2865
2866 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
2867 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
2868 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
2869 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
2870 echo " Does Emacs use a gif library? ${HAVE_GIF} $ac_gif_lib_name"
2871 echo " Does Emacs use -lpng? ${HAVE_PNG}"
2872 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
2873 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
2874 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
2875
2876 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
2877 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
2878 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
2879 echo " Does Emacs use -lxft? ${HAVE_XFT}"
2880
2881 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
2882 echo
2883
2884 if test $USE_XASSERTS = yes; then
2885 echo " Compiling with asserts turned on."
2886 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
2887 fi
2888
2889 echo
2890
2891 if test "$USE_X_TOOLKIT" = GTK; then
2892 case "$canonical" in
2893 *cygwin*)
2894 echo "There are known problems with Emacs and Gtk+ on cygwin, so you
2895 will probably get a crash on startup. If this happens, please use another
2896 toolkit for Emacs. See etc/PROBLEMS for more information."
2897 ;;
2898 esac
2899 fi
2900
2901 if test "$HAVE_NS" = "yes"; then
2902 echo
2903 echo "You must run \"make install\" in order to test the built application.
2904 The installed application will go to nextstep/Emacs.app and can be
2905 run or moved from there."
2906 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
2907 echo "The application will be fully self-contained."
2908 else
2909 echo "The lisp resources for the application will be installed under ${prefix}.
2910 You may need to run \"make install\" with sudo. The application will fail
2911 to run if these resources are not installed."
2912 fi
2913 echo
2914 fi
2915
2916 if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then
2917 echo "D-Bus integration has been tested for GNU/Linux only."
2918 echo
2919 fi
2920
2921
2922 # Remove any trailing slashes in these variables.
2923 [test "${prefix}" != NONE &&
2924 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2925 test "${exec_prefix}" != NONE &&
2926 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
2927
2928 # Now get this: Some word that is part of the ${srcdir} directory name
2929 # or the ${configuration} value might, just might, happen to be an
2930 # identifier like `sun4' or `i386' or something, and be predefined by
2931 # the C preprocessor to some helpful value like 1, or maybe the empty
2932 # string. Needless to say consequent macro substitutions are less
2933 # than conducive to the makefile finding the correct directory.
2934 [cpp_undefs="`echo $srcdir $configuration $canonical |
2935 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
2936 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g'`"]
2937
2938 ## Check if the C preprocessor will convert `..' to `. .'. If so, set
2939 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2940 ## from Makefile.c can correctly provide the arg `-traditional' to the
2941 ## C preprocessor.
2942
2943 AC_EGREP_CPP(yes..yes,
2944 [yes..yes],
2945 CPP_NEED_TRADITIONAL=no,
2946 CPP_NEED_TRADITIONAL=yes)
2947
2948 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2949 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
2950 doc/lispref/Makefile src/Makefile.c:src/Makefile.in \
2951 lwlib/Makefile lisp/Makefile leim/Makefile, [
2952
2953 ### Make the necessary directories, if they don't exist.
2954 for dir in etc lisp ; do
2955 test -d ${dir} || mkdir ${dir}
2956 done
2957
2958 # Build src/Makefile from ${srcdir}/src/Makefile.c
2959 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2960 # This must be done after src/config.h is built, since we rely on that file.
2961
2962 echo creating src/epaths.h
2963 ${MAKE-make} epaths-force
2964
2965 # As of 2000-11-19, newest development versions of GNU cpp preprocess
2966 # `..' to `. .' unless invoked with -traditional
2967
2968 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
2969 CPPFLAGS="$CPPFLAGS -traditional"
2970 fi
2971
2972 echo creating lib-src/Makefile
2973 ( cd lib-src
2974 rm -f junk.c junk1.c junk2.c
2975 sed -e '/start of cpp stuff/q' \
2976 < Makefile.c > junk1.c
2977 sed -e '1,/start of cpp stuff/d'\
2978 -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2979 < Makefile.c > junk.c
2980 $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2981 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2982 cat junk1.c junk2.c > Makefile.new
2983 rm -f junk.c junk1.c junk2.c
2984 chmod 444 Makefile.new
2985 mv -f Makefile.new Makefile
2986 )
2987
2988 echo creating src/Makefile
2989 ( cd src
2990 rm -f junk.c junk1.c junk2.c
2991 sed -e '/start of cpp stuff/q' \
2992 < Makefile.c > junk1.c
2993 sed -e '1,/start of cpp stuff/d'\
2994 -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
2995 < Makefile.c > junk.c
2996 $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
2997 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2998 cat junk1.c junk2.c > Makefile.new
2999 rm -f junk.c junk1.c junk2.c
3000 chmod 444 Makefile.new
3001 mv -f Makefile.new Makefile
3002 )
3003
3004 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3005 echo creating src/.gdbinit
3006 echo source $srcdir/src/.gdbinit > src/.gdbinit
3007 fi
3008
3009 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS" cpp_undefs="$cpp_undefs"])
3010
3011 m4_if(dnl Do not change this comment
3012 arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3013 )dnl