fix up ns-extended-platform-support-mode
[bpt/emacs.git] / configure.in
CommitLineData
6e502e37 1dnl Autoconf script for GNU Emacs
9ec10b2f
DM
2dnl To rebuild the `configure' script from this, execute the command
3dnl autoconf
4dnl in the directory containing this script.
6e502e37 5dnl
89ce934d 6dnl Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003,
57ebf0be 7dnl 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
552dfe31 8dnl
6e502e37 9dnl This file is part of GNU Emacs.
552dfe31 10dnl
b33ba812 11dnl GNU Emacs is free software: you can redistribute it and/or modify
6e502e37 12dnl it under the terms of the GNU General Public License as published by
b33ba812
GM
13dnl the Free Software Foundation, either version 3 of the License, or
14dnl (at your option) any later version.
15dnl
6e502e37
RS
16dnl GNU Emacs is distributed in the hope that it will be useful,
17dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19dnl GNU General Public License for more details.
b33ba812 20dnl
6e502e37 21dnl You should have received a copy of the GNU General Public License
b33ba812 22dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
6e502e37 23
edfda783 24AC_PREREQ(2.61)
acfdc2b1 25AC_INIT(emacs, 23.0.60)
5f8c8f00 26AC_CONFIG_HEADER(src/config.h:src/config.in)
9fb1ba80 27AC_CONFIG_SRCDIR(src/lisp.h)
9ec10b2f 28
a4663fed
PJ
29dnl Support for --program-prefix, --program-suffix and
30dnl --program-transform-name options
31AC_ARG_PROGRAM
32
9ec10b2f 33lispdir='${datadir}/emacs/${version}/lisp'
4be21f66 34locallisppath='${datadir}/emacs/${version}/site-lisp:'\
b8225171
KH
35'${datadir}/emacs/site-lisp'
36lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
9ec10b2f 37etcdir='${datadir}/emacs/${version}/etc'
60c3568d 38archlibdir='${libexecdir}/emacs/${version}/${configuration}'
9ec10b2f 39docdir='${datadir}/emacs/${version}/etc'
b914de74 40gamedir='${localstatedir}/games/emacs'
93c05c18
CW
41
42gameuser=games
9ec10b2f 43
8b1de1b5
MO
44dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
45dnl Create a new --with option that defaults to being disabled.
46dnl NAME is the base name of the option. The shell variable with_NAME
47dnl will be set to either the user's value (if the option is
48dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
49dnl option is not specified). Note that the shell variable name is
50dnl constructed as autoconf does, by replacing non-alphanumeric
51dnl characters with "_".
52dnl HELP-STRING is the help text for the option.
53AC_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
eb11f5b8 56])dnl
8b1de1b5
MO
57
58dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
59dnl Create a new --with option that defaults to being enabled. NAME
60dnl is the base name of the option. The shell variable with_NAME
61dnl will be set either to 'no' (for a plain --without-NAME) or to
62dnl 'yes' (if the option is not specified). Note that the shell
63dnl variable name is constructed as autoconf does, by replacing
64dnl non-alphanumeric characters with "_".
65dnl HELP-STRING is the help text for the option.
66AC_DEFUN([OPTION_DEFAULT_ON], [dnl
67 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
68 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
eb11f5b8
TTN
69])dnl
70
8b1de1b5
MO
71OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
72if test "$with_pop" = yes; then
6fa064b6 73 AC_DEFINE(MAIL_USE_POP)
8b1de1b5 74fi
5e7d772d 75AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
eb11f5b8 76
8b1de1b5 77OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
316460cf 78if test "$with_kerberos" != no; then
ae61688f 79 AC_DEFINE(KERBEROS)
8b1de1b5 80fi
5e7d772d
AS
81AH_TEMPLATE(KERBEROS,
82 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
eb11f5b8 83
8b1de1b5 84OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
316460cf
GM
85if test "${with_kerberos5}" != no; then
86 if test "${with_kerberos}" = no; then
a21616bd
KR
87 with_kerberos=yes
88 AC_DEFINE(KERBEROS)
89 fi
ae61688f 90 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
8b1de1b5 91fi
eb11f5b8 92
8b1de1b5 93OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
316460cf 94if test "$with_hesiod" != no; then
ae61688f 95 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
8b1de1b5 96fi
3d9830e5 97
8b1de1b5 98OPTION_DEFAULT_ON([sound],[don't compile with sound support])
3d9830e5 99
a51f4969
SM
100OPTION_DEFAULT_ON([sync-input],[Process async input synchronously])
101if test "$with_sync_input" = yes; then
102 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
103fi
104
5b940d5a 105dnl FIXME currently it is not the last.
4f734bde
DM
106dnl This should be the last --with option, because --with-x is
107dnl added later on when we find the path of X, and it's best to
108dnl keep them together visually.
eb11f5b8
TTN
109AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
110 [use an X toolkit (KIT one of: yes, lucid, athena, motif, gtk, no)])],
9ec10b2f 111[ case "${withval}" in
4f823057 112 y | ye | yes ) val=gtk ;;
9ec10b2f
DM
113 n | no ) val=no ;;
114 l | lu | luc | luci | lucid ) val=lucid ;;
84c5c823 115 a | at | ath | athe | athen | athena ) val=athena ;;
3cd69289 116 m | mo | mot | moti | motif ) val=motif ;;
488dd4c4 117 g | gt | gtk ) val=gtk ;;
9ec10b2f 118 * )
f7b4f5aa 119AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
488dd4c4 120this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
f7b4f5aa 121`yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
9ec10b2f
DM
122 ;;
123 esac
124 with_x_toolkit=$val
125])
eb11f5b8 126
5b940d5a
GM
127dnl _ON results in a '--without' option in the --help output, so
128dnl the help text should refer to "don't compile", etc.
129OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
130OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
131OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
132OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
133OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
134OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
135
4efcc8d1
MB
136OPTION_DEFAULT_ON([freetype],[don't use Freetype for local font support])
137OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
d235ca2f
MB
138OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
139OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
140
8b1de1b5
MO
141OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
142OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
143OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
f7317f6c 144OPTION_DEFAULT_OFF([carbon],[use Carbon GUI on Mac OS X. This is unsupported!])
edfda783 145OPTION_DEFAULT_OFF([ns],[use nextstep (Cocoa or GNUstep) windowing system])
5b940d5a
GM
146
147OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
b5a922de 148OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
5b940d5a 149
4c18f8b4
GM
150## For the times when you want to build Emacs but don't have
151## a suitable makeinfo, and can live without the manuals.
152dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
153OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
154
86dc59b0
GM
155dnl Can remove these in Emacs 24.
156AC_ARG_WITH([gtk],,
157 AC_MSG_ERROR([--with-gtk has been removed. Use --with-x-toolkit to
158specify a toolkit.]),,)
159
160AC_ARG_WITH([gcc],,
161 AC_MSG_ERROR([--with-gcc has been removed. Set the `CC' environment
162 variable to specify a compiler.]),,)
163
8b1de1b5 164AC_ARG_WITH([pkg-config-prog],dnl
1eee1145 165[AS_HELP_STRING([--with-pkg-config-prog=PATH],
8b1de1b5
MO
166 [Path to pkg-config for finding GTK and librsvg])])
167if test "X${with_pkg_config_prog}" != X; then
168 if test "${with_pkg_config_prog}" != yes; then
169 PKG_CONFIG="${with_pkg_config_prog}"
170 fi
171fi
eb11f5b8 172
52cd7d02 173AC_ARG_ENABLE(carbon-app,
1eb22088
AS
174[AS_HELP_STRING([--enable-carbon-app@<:@=DIR@:>@],
175 [specify install directory for Emacs.app on Mac OS X
176 [DIR=/Application]])],
52cd7d02 177[ carbon_appdir_x=${enableval}])
9ec10b2f 178
edfda783
AR
179AC_ARG_ENABLE(cocoa-experimental-ctrl-g,
180[ --enable-cocoa-experimental-ctrl-g enable experimental improved ctrl-g recognition],
181 EN_COCOA_EXPERIMENTAL_CTRL_G=yes,
182 EN_COCOA_EXPERIMENTAL_CTRL_G=no)
183
06b62770
AR
184AC_ARG_ENABLE(ns-self-contained,
185[ --disable-ns-self-contained disable self contained build under NS],
186 EN_NS_SELF_CONTAINED=no,
187 EN_NS_SELF_CONTAINED=yes)
188
d0098f13 189AC_ARG_ENABLE(asserts,
1eb22088 190[AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
d0098f13
JD
191 USE_XASSERTS=$enableval,
192 USE_XASSERTS=no)
193
6a5f7a29 194AC_ARG_ENABLE(maintainer-mode,
1eb22088
AS
195[AS_HELP_STRING([--enable-maintainer-mode],
196 [enable make rules and dependencies not useful (and sometimes
197 confusing) to the casual installer])],
6a5f7a29
AS
198 USE_MAINTAINER_MODE=$enableval,
199 USE_MAINTAINER_MODE=no)
200if test $USE_MAINTAINER_MODE = yes; then
201 MAINT=
202else
203 MAINT=#
204fi
205AC_SUBST(MAINT)
206
261967be 207AC_ARG_ENABLE(locallisppath,
1eb22088
AS
208[AS_HELP_STRING([--enable-locallisppath=PATH],
209 [directories Emacs should search for lisp files specific
210 to this site])],
261967be
LK
211if test "${enableval}" = "no"; then
212 locallisppath=
213elif test "${enableval}" != "yes"; then
214 locallisppath=${enableval}
215fi)
216
9ec10b2f 217#### Make srcdir absolute, if it isn't already. It's important to
36969de6 218#### avoid running the path through pwd unnecessarily, since pwd can
069df4bf
DM
219#### give you automounter prefixes, which can go away. We do all this
220#### so Emacs can find its files when run uninstalled.
36969de6
GM
221## Make sure CDPATH doesn't affect cd (in case PWD is relative).
222unset CDPATH
9ec10b2f
DM
223case "${srcdir}" in
224 /* ) ;;
225 . )
226 ## We may be able to use the $PWD environment variable to make this
227 ## absolute. But sometimes PWD is inaccurate.
b83e4a77
RS
228 ## Note: we used to use ${PWD} at the end instead of `pwd`,
229 ## but that tested only for a well-formed and valid PWD,
230 ## it did not object when PWD was well-formed and valid but just wrong.
231 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
9ec10b2f
DM
232 then
233 srcdir="$PWD"
234 else
235 srcdir="`(cd ${srcdir}; pwd)`"
236 fi
237 ;;
238 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
239esac
240
241#### Check if the source directory already has a configured system in it.
242if test `pwd` != `(cd ${srcdir} && pwd)` \
243 && test -f "${srcdir}/src/config.h" ; then
91b5aa9a 244 AC_MSG_WARN([[The directory tree `${srcdir}' is being used
9ec10b2f
DM
245 as a build directory right now; it has been configured in its own
246 right. To configure in another directory as well, you MUST
247 use GNU make. If you do not have GNU make, then you must
91b5aa9a
DL
248 now do `make distclean' in ${srcdir},
249 and then run $0 again.]])
9ec10b2f
DM
250fi
251
252#### Given the configuration name, set machfile and opsysfile to the
253#### names of the m/*.h and s/*.h files we should use.
254
255### Canonicalize the configuration name.
256
257AC_CANONICAL_HOST
258canonical=$host
0b7543ce 259configuration=${host_alias-${build_alias-$host}}
9ec10b2f 260
91b5aa9a
DL
261dnl This used to use changequote, but, apart from `changequote is evil'
262dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
263dnl the great gob of text. Thus it's not processed for possible expansion.
264dnl Just make sure the brackets remain balanced.
10aa5486
MR
265dnl
266dnl Since Emacs can't find matching pairs of quotes, boundaries are
267dnl indicated by comments.
268dnl quotation begins
91b5aa9a 269[
9ec10b2f
DM
270
271### If you add support for a new configuration, add code to this
272### switch statement to recognize your configuration name and select
273### the appropriate operating system and machine description files.
274
275### You would hope that you could choose an m/*.h file pretty much
276### based on the machine portion of the configuration name, and an s-
277### file based on the operating system portion. However, it turns out
278### that each m/*.h file is pretty manufacturer-specific - for
f2a77c3a
DN
279### example mips.h is MIPS
280### So we basically have to have a special case for each
9ec10b2f
DM
281### configuration name.
282###
283### As far as handling version numbers on operating systems is
284### concerned, make sure things will fail in a fixable way. If
285### /etc/MACHINES doesn't say anything about version numbers, be
286### prepared to handle anything reasonably. If version numbers
287### matter, be sure /etc/MACHINES says something about it.
288###
289### Eric Raymond says we should accept strings like "sysvr4" to mean
290### "System V Release 4"; he writes, "The old convention encouraged
291### confusion between `system' and `release' levels'."
292
293machine='' opsys='' unported=no
294case "${canonical}" in
295
ba45dae0 296 ## FreeBSD ports
6b0273cd 297 *-*-freebsd* )
ba45dae0
GM
298 opsys=freebsd
299 case "${canonical}" in
300 alpha*-*-freebsd*) machine=alpha ;;
372a3385 301 arm*-*-freebsd*) machine=arm ;;
d6d1029d 302 ia64-*-freebsd*) machine=ia64 ;;
edfda783 303 sparc-*-freebsd*) machine=sparc ;;
d6d1029d
CY
304 sparc64-*-freebsd*) machine=sparc ;;
305 powerpc-*-freebsd*) machine=macppc ;;
ba45dae0 306 i[3456]86-*-freebsd*) machine=intel386 ;;
6b0273cd 307 amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
ba45dae0
GM
308 esac
309 ;;
310
472fd4dc
GM
311 ## FreeBSD kernel + glibc based userland
312 *-*-kfreebsd*gnu* )
313 opsys=gnu-kfreebsd
314 case "${canonical}" in
315 alpha*-*-kfreebsd*) machine=alpha ;;
316 ia64-*-kfreebsd*) machine=ia64 ;;
edfda783 317 sparc-*-kfreebsd*) machine=sparc ;;
472fd4dc
GM
318 sparc64-*-kfreebsd*) machine=sparc ;;
319 powerpc-*-kfreebsd*) machine=macppc ;;
320 i[3456]86-*-kfreebsd*) machine=intel386 ;;
321 amd64-*-kfreebsd*|x86_64-*-kfreebsd*) machine=amdx86-64 ;;
322 esac
323 ;;
324
9ec10b2f
DM
325 ## NetBSD ports
326 *-*-netbsd* )
327 opsys=netbsd
da894f7d 328 if test -f /usr/lib/crti.o; then]
8cfdf2ca
DL
329dnl The close and open brackets here are because this section is quoted --
330dnl see the `changequote' comment above.
331 AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
da894f7d 332[ fi
fdf83dbb 333
9ec10b2f 334 case "${canonical}" in
98bbf2a1 335 alpha*-*-netbsd*) machine=alpha ;;
5ac83f86 336 i[3456]86-*-netbsd*) machine=intel386 ;;
b52425f4 337 powerpc-*-netbsd*) machine=macppc ;;
1ecefa7a 338 sparc*-*-netbsd*) machine=sparc ;;
b336ddd3 339 vax-*-netbsd*) machine=vax ;;
69d5a2fa 340 arm-*-netbsd*) machine=arm ;;
01cd065b
EZ
341 x86_64-*-netbsd*) machine=amdx86-64 ;;
342 hppa-*-netbsd*) machine=hp800 ;;
9ec10b2f
DM
343 esac
344 ;;
345
e3ac1b7f
RS
346 ## OpenBSD ports
347 *-*-openbsd* )
348 opsys=openbsd
349 case "${canonical}" in
98bbf2a1 350 alpha*-*-openbsd*) machine=alpha ;;
9a982d0a 351 arm-*-openbsd*) machine=arm ;;
9a982d0a 352 i386-*-openbsd*) machine=intel386 ;;
9a982d0a 353 powerpc-*-openbsd*) machine=macppc ;;
9a982d0a
RS
354 sparc*-*-openbsd*) machine=sparc ;;
355 vax-*-openbsd*) machine=vax ;;
356 x86_64-*-openbsd*) machine=amdx86-64 ;;
e3ac1b7f
RS
357 esac
358 ;;
359
10a3b1a1
EZ
360 ## LynxOS ports
361 *-*-lynxos* )
362 opsys=lynxos
363 case "${canonical}" in
364 i[3456]86-*-lynxos*) machine=intel386 ;;
365 powerpc-*-lynxos*) machine=powerpc ;;
366 esac
367 ;;
368
98bbf2a1 369 alpha*-*-linux-gnu* )
5ac83f86 370 machine=alpha opsys=gnu-linux
4e90a7d5
RS
371 ;;
372
d506e713
GM
373 arm*-*-linux-gnu* )
374 machine=arm opsys=gnu-linux
375 ;;
376
57653883
RS
377 ## Apple Darwin / Mac OS X
378 *-apple-darwin* )
379 case "${canonical}" in
380 i[3456]86-* ) machine=intel386 ;;
40dde9d1 381 powerpc-* ) machine=macppc ;;
57653883
RS
382 * ) unported=yes ;;
383 esac
384 opsys=darwin
385 # Define CPP as follows to make autoconf work correctly.
386 CPP="${CC-cc} -E -no-cpp-precomp"
387 # Use fink packages if available.
388 if test -d /sw/include && test -d /sw/lib; then
389 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
390 CPP="${CPP} ${GCC_TEST_OPTIONS}"
391 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
392 fi
393 ;;
394
d347c8e1 395 ## HP 9000 series 700 and 800, running HP/UX
d347c8e1
GM
396 hppa*-hp-hpux10.2* )
397 machine=hp800 opsys=hpux10-20
398 ;;
d347c8e1
GM
399 hppa*-hp-hpux1[1-9]* )
400 machine=hp800 opsys=hpux11
401 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
402 ;;
403
6fa6525f
RS
404 hppa*-*-linux-gnu* )
405 machine=hp800 opsys=gnu-linux
406 ;;
407
9ec10b2f 408 ## IBM machines
4b121527 409 s390-*-linux-gnu* )
f4c2acb3
EZ
410 machine=ibms390 opsys=gnu-linux
411 ;;
e9da7ba5
RS
412 s390x-*-linux-gnu* )
413 machine=ibms390x opsys=gnu-linux
f4c2acb3 414 ;;
a8958813
RS
415 rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2* )
416 machine=ibmrs6000 opsys=aix4-2
417 ;;
9fd77b51
CY
418 rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3* )
419 machine=ibmrs6000 opsys=aix4-2
420 ;;
54c4fabd 421 rs6000-ibm-aix5* | powerpc-ibm-aix5* )
1ef1ef96
EZ
422 machine=ibmrs6000 opsys=aix4-2
423 ;;
26a42dac
DN
424 rs6000-ibm-aix5* | powerpc-ibm-aix6* )
425 machine=ibmrs6000 opsys=aix4-2
426 ;;
9ec10b2f 427
3ad6e32b
GM
428 ## Macintosh PowerPC
429 powerpc*-*-linux-gnu* )
430 machine=macppc opsys=gnu-linux
431 ;;
432
9ec10b2f 433 ## Silicon Graphics machines
9ec10b2f 434 ## Iris 4D
a187fb80
KH
435 mips-sgi-irix6.5 )
436 machine=iris4d opsys=irix6-5
91193697
DL
437 # Without defining _LANGUAGE_C, things get masked out in the headers
438 # so that, for instance, grepping for `free' in stdlib.h fails and
439 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
440 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
63c59d1e 441 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
a187fb80 442 ;;
9ec10b2f 443
9ec10b2f 444 ## Suns
b5b193a7 445 sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
5ac83f86 446 machine=sparc opsys=gnu-linux
28d9bc0e
KH
447 ;;
448
176fe5fc 449 *-sun-solaris* \
5ac83f86 450 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
c42b1767 451 | rs6000-*-solaris2*)
9ec10b2f 452 case "${canonical}" in
5ac83f86 453 i[3456]86-*-* ) machine=intel386 ;;
a15fc3c3 454 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
f7894e88 455 powerpc* | rs6000* ) machine=ibmrs6000 ;;
9ec10b2f
DM
456 sparc* ) machine=sparc ;;
457 * ) unported=yes ;;
458 esac
459 case "${canonical}" in
9ec10b2f
DM
460 *-sunos5.3* | *-solaris2.3* )
461 opsys=sol2-3
462 NON_GNU_CPP=/usr/ccs/lib/cpp
463 ;;
464 *-sunos5.4* | *-solaris2.4* )
465 opsys=sol2-4
466 NON_GNU_CPP=/usr/ccs/lib/cpp
30457b4f 467 RANLIB="ar -ts"
9ec10b2f 468 ;;
2e567bad
KH
469 *-sunos5.5* | *-solaris2.5* )
470 opsys=sol2-5
471 NON_GNU_CPP=/usr/ccs/lib/cpp
30457b4f 472 RANLIB="ar -ts"
2e567bad 473 ;;
a28947f0
RS
474 *-sunos5.6* | *-solaris2.6* )
475 opsys=sol2-6
476 NON_GNU_CPP=/usr/ccs/lib/cpp
477 RANLIB="ar -ts"
478 ;;
9ec10b2f 479 *-sunos5* | *-solaris* )
f79b6dcc 480 opsys=sol2-6
42bf63da
GM
481 emacs_check_sunpro_c=yes
482 NON_GNU_CPP=/usr/ccs/lib/cpp
9ec10b2f 483 ;;
9ec10b2f 484 esac
6e502e37
RS
485 ## Watch out for a compiler that we know will not work.
486 case "${canonical}" in
487 *-solaris* | *-sunos5* )
488 if [ "x$CC" = x/usr/ucb/cc ]; then
489 ## /usr/ucb/cc doesn't work;
490 ## we should find some other compiler that does work.
491 unset CC
492 fi
493 ;;
494 *) ;;
495 esac
9ec10b2f 496 ;;
9ec10b2f 497
9ec10b2f
DM
498 ## Vaxen.
499 vax-dec-* )
500 machine=vax
501 case "${canonical}" in
9ec10b2f
DM
502 *-vms* ) opsys=vms ;;
503 * ) unported=yes
504 esac
505 ;;
506
2d23c8cc
GM
507 ## IA-64
508 ia64*-*-linux* )
509 machine=ia64 opsys=gnu-linux
510 ;;
511
9ec10b2f 512 ## Intel 386 machines where we don't care about the manufacturer
5ac83f86 513 i[3456]86-*-* )
9ec10b2f
DM
514 machine=intel386
515 case "${canonical}" in
c60ee5e7 516 *-cygwin ) opsys=cygwin ;;
eae54018 517 *-darwin* ) opsys=darwin
23fd4483
ST
518 CPP="${CC-cc} -E -no-cpp-precomp"
519 ;;
5ac83f86 520 *-linux-gnu* ) opsys=gnu-linux ;;
0e6d70d5 521 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
167899c4
RS
522 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
523 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
9ec10b2f
DM
524 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
525 esac
526 ;;
527
287f502c 528 ## m68k Linux-based GNU system
5ac83f86
RS
529 m68k-*-linux-gnu* )
530 machine=m68k opsys=gnu-linux
e1fd57e3
RS
531 ;;
532
287f502c 533 ## Mips Linux-based GNU system
71cc40d5 534 mips-*-linux-gnu* | mipsel-*-linux-gnu* )
287f502c
RS
535 machine=mips opsys=gnu-linux
536 ;;
537
3fa4ac47
AS
538 ## AMD x86-64 Linux-based GNU system
539 x86_64-*-linux-gnu* )
177c0ea7 540 machine=amdx86-64 opsys=gnu-linux
3fa4ac47
AS
541 ;;
542
131e4133 543 ## Tensilica Xtensa Linux-based GNU system
8dd59f01 544 xtensa*-*-linux-gnu* )
94218e27
DN
545 machine=xtensa opsys=gnu-linux
546 ;;
547
9ec10b2f
DM
548 * )
549 unported=yes
550 ;;
551esac
552
553### If the code above didn't choose an operating system, just choose
554### an operating system based on the configuration name. You really
555### only want to use this when you have no idea what the right
556### operating system is; if you know what operating systems a machine
557### runs, it's cleaner to make it explicit in the case statement
558### above.
559if test x"${opsys}" = x; then
560 case "${canonical}" in
561 *-gnu* ) opsys=gnu ;;
66a96cff 562 *-sysv4.2uw* ) opsys=unixware ;;
167899c4
RS
563 *-sysv5uw* ) opsys=unixware ;;
564 *-sysv5OpenUNIX* ) opsys=unixware ;;
5ab52d42 565 *-sysv4.1* | *-sysvr4.1* )
9ec10b2f
DM
566 NON_GNU_CPP=/usr/lib/cpp
567 opsys=usg5-4 ;;
5ab52d42 568 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
b63df577 569 if [ x$NON_GNU_CPP = x ]; then
16831d8c
RS
570 if [ -f /usr/ccs/lib/cpp ]; then
571 NON_GNU_CPP=/usr/ccs/lib/cpp
572 else
573 NON_GNU_CPP=/lib/cpp
574 fi
b63df577
RS
575 fi
576 opsys=usg5-4-2 ;;
5ab52d42 577 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
9ec10b2f
DM
578 * )
579 unported=yes
580 ;;
581 esac
582fi
583
91b5aa9a 584]
10aa5486 585dnl quotation ends
9ec10b2f
DM
586
587if test $unported = yes; then
91b5aa9a
DL
588 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
589Check `etc/MACHINES' for recognized configuration names.])
9ec10b2f
DM
590fi
591
592machfile="m/${machine}.h"
593opsysfile="s/${opsys}.h"
594
595
596#### Choose a compiler.
597test -n "$CC" && cc_specified=yes
598
5ab52d42
RS
599# Save the value of CFLAGS that the user specified.
600SPECIFIED_CFLAGS="$CFLAGS"
601
86dc59b0 602dnl Sets GCC=yes if using gcc.
e9b2a022 603AC_PROG_CC
9ec10b2f
DM
604
605# On Suns, sometimes $CPP names a directory.
606if test -n "$CPP" && test -d "$CPP"; then
607 CPP=
608fi
609
42bf63da
GM
610## If not using gcc, and on Solaris, and no CPP specified, see if
611## using a Sun compiler, which needs -Xs to prevent whitespace.
612if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
613 test x"$CPP" = x; then
614 AC_MSG_CHECKING([whether we are using a Sun C compiler])
615 AC_CACHE_VAL(emacs_cv_sunpro_c,
616 [AC_TRY_LINK([],
617[#ifndef __SUNPRO_C
618fail;
619#endif
620], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
621 AC_MSG_RESULT($emacs_cv_sunpro_c)
622
623 if test x"$emacs_cv_sunpro_c" = xyes; then
624 NON_GNU_CPP="$CC -E -Xs"
625 fi
626fi
627
9ec10b2f
DM
628#### Some systems specify a CPP to use unless we are using GCC.
629#### Now that we know whether we are using GCC, we can decide whether
630#### to use that one.
631if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
632then
633 CPP="$NON_GNU_CPP"
634fi
635
636#### Some systems specify a CC to use unless we are using GCC.
637#### Now that we know whether we are using GCC, we can decide whether
638#### to use that one.
639if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
640 test x$cc_specified != xyes
641then
642 CC="$NON_GNU_CC"
643fi
644
645if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
646then
647 CC="$CC $GCC_TEST_OPTIONS"
c7f493fd 648fi
9ec10b2f
DM
649
650if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
651then
652 CC="$CC $NON_GCC_TEST_OPTIONS"
c7f493fd 653fi
9ec10b2f 654
f405f8ec 655dnl checks for Unix variants
7316a2b5 656AC_USE_SYSTEM_EXTENSIONS
f405f8ec 657
01abe918
CY
658### Use -Wno-pointer-sign if the compiler supports it
659AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
660SAVE_CFLAGS="$CFLAGS"
661CFLAGS="$CFLAGS -Wno-pointer-sign"
662AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
663if test $has_option = yes; then
664 C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
665fi
666AC_MSG_RESULT($has_option)
667CFLAGS="$SAVE_CFLAGS"
668unset has_option
669unset SAVE_CFLAGS
670
fb33ec52 671#### Some other nice autoconf tests.
9ec10b2f
DM
672
673dnl checks for programs
6e0dc84a 674AC_PROG_LN_S
9ec10b2f
DM
675AC_PROG_CPP
676AC_PROG_INSTALL
3f5b097c
DL
677if test "x$RANLIB" = x; then
678 AC_PROG_RANLIB
679fi
d57c2211
DK
680AC_PATH_PROG(INSTALL_INFO, install-info)
681AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
682AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
19b6b5d3
AS
683dnl Don't use GZIP, which is used by gzip for additional parameters.
684AC_PATH_PROG(GZIP_PROG, gzip)
9ec10b2f 685
d25b54b3 686
9538e9ca 687## Need makeinfo >= 4.6 (?) to build the manuals.
d25b54b3 688AC_PATH_PROG(MAKEINFO, makeinfo, no)
131e4133 689dnl By this stage, configure has already checked for egrep and set EGREP,
d25b54b3
GM
690dnl or exited with an error if no egrep was found.
691if test "$MAKEINFO" != "no" && \
d4840f44 692 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
131e4133 693 MAKEINFO=no
d25b54b3
GM
694fi
695
09817afc
GM
696## Makeinfo is unusual. For a released Emacs, the manuals are
697## pre-built, and not deleted by the normal clean rules. makeinfo is
698## therefore in the category of "special tools" not normally required, which
699## configure does not have to check for (eg autoconf itself).
700## In a CVS checkout on the other hand, the manuals are not included.
701## So makeinfo is a requirement to build from CVS, and configure
702## should test for it as it does for any other build requirement.
703## We use the presence of $srcdir/info/emacs to distinguish a release,
704## with pre-built manuals, from a CVS checkout.
705if test "$MAKEINFO" = "no"; then
706 if test "x${with_makeinfo}" = "xno"; then
707 MAKEINFO=off
708 elif ! test -e $srcdir/info/emacs; then
709 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
710source tree does not seem to have pre-built manuals in the `info' directory.
4c18f8b4 711Either install a suitable version of makeinfo, or re-run configure
09817afc
GM
712with the `--without-makeinfo' option to build without the manuals.] )
713 fi
4c18f8b4 714fi
d25b54b3 715
6d621bab
RS
716dnl Add our options to ac_link now, after it is set up.
717
718if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
719then
720 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
721fi
722
723if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
724then
725 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
726fi
727
1d6cc9a8
RS
728dnl We need -znocombreloc if we're using a relatively recent GNU ld.
729dnl If we can link with the flag, it shouldn't do any harm anyhow.
730dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
06aacc62
RS
731dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
732dnl if not built to support GNU ld.
733
1d6cc9a8 734late_LDFLAGS=$LDFLAGS
b917689b 735if test "$GCC" = yes; then
06aacc62
RS
736 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
737else
738 LDFLAGS="$LDFLAGS -znocombreloc"
739fi
1d6cc9a8 740
e6a304f0 741AC_MSG_CHECKING([for -znocombreloc])
1d6cc9a8
RS
742AC_LINK_IFELSE([main(){return 0;}],
743 [AC_MSG_RESULT(yes)],
744 LDFLAGS=$late_LDFLAGS
745 [AC_MSG_RESULT(no)])
746
4428e268
DL
747#### Extract some information from the operating system and machine files.
748
749AC_CHECKING([the machine- and system-dependent files to find out
750 - which libraries the lib-src programs will want, and
751 - whether the GNU malloc routines are usable])
752
753### First figure out CFLAGS (which we use for running the compiler here)
754### and REAL_CFLAGS (which we use for real compilation).
755### The two are the same except on a few systems, where they are made
756### different to work around various lossages. For example,
757### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
758### as implying static linking.
759
760### If the CFLAGS env var is specified, we use that value
761### instead of the default.
762
763### It's not important that this name contain the PID; you can't run
764### two configures in the same directory and have anything work
765### anyway.
766tempcname="conftest.c"
767
768echo '
769#include "'${srcdir}'/src/'${opsysfile}'"
770#include "'${srcdir}'/src/'${machfile}'"
771#ifndef LIBS_MACHINE
772#define LIBS_MACHINE
773#endif
774#ifndef LIBS_SYSTEM
775#define LIBS_SYSTEM
776#endif
777#ifndef C_SWITCH_SYSTEM
778#define C_SWITCH_SYSTEM
779#endif
780#ifndef C_SWITCH_MACHINE
781#define C_SWITCH_MACHINE
782#endif
783configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
784configure___ c_switch_system=C_SWITCH_SYSTEM
785configure___ c_switch_machine=C_SWITCH_MACHINE
786
787#ifndef LIB_X11_LIB
788#define LIB_X11_LIB -lX11
789#endif
790
4428e268
DL
791#ifndef LIBX11_SYSTEM
792#define LIBX11_SYSTEM
793#endif
4624371d 794configure___ LIBX=LIB_X11_LIB LIBX11_SYSTEM
4428e268
DL
795
796#ifdef UNEXEC
797configure___ unexec=UNEXEC
798#else
799configure___ unexec=unexec.o
800#endif
801
802#ifdef SYSTEM_MALLOC
803configure___ system_malloc=yes
804#else
805configure___ system_malloc=no
806#endif
807
e32fac2a
GM
808#ifdef USE_MMAP_FOR_BUFFERS
809configure___ use_mmap_for_buffers=yes
b1b4ce06 810#else
e32fac2a 811configure___ use_mmap_for_buffers=no
b1b4ce06
GM
812#endif
813
4428e268
DL
814#ifndef C_DEBUG_SWITCH
815#define C_DEBUG_SWITCH -g
816#endif
817
818#ifndef C_OPTIMIZE_SWITCH
819#ifdef __GNUC__
820#define C_OPTIMIZE_SWITCH -O2
821#else
822#define C_OPTIMIZE_SWITCH -O
823#endif
824#endif
825
01abe918
CY
826#ifndef C_WARNINGS_SWITCH
827#define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
828#endif
829
4428e268
DL
830#ifndef LD_SWITCH_MACHINE
831#define LD_SWITCH_MACHINE
832#endif
833
834#ifndef LD_SWITCH_SYSTEM
835#define LD_SWITCH_SYSTEM
836#endif
837
838#ifndef LD_SWITCH_X_SITE_AUX
839#define LD_SWITCH_X_SITE_AUX
177c0ea7 840#endif
4428e268
DL
841
842configure___ ld_switch_system=LD_SWITCH_SYSTEM
843configure___ ld_switch_machine=LD_SWITCH_MACHINE
844
845#ifdef THIS_IS_CONFIGURE
846
847/* Get the CFLAGS for tests in configure. */
848#ifdef __GNUC__
849configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
850#else
851configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
852#endif
853
854#else /* not THIS_IS_CONFIGURE */
855
856/* Get the CFLAGS for real compilation. */
857#ifdef __GNUC__
01abe918 858configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
4428e268
DL
859#else
860configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
861#endif
862
863#endif /* not THIS_IS_CONFIGURE */
864' > ${tempcname}
865
866# The value of CPP is a quoted variable reference, so we need to do this
867# to get its actual value...
868CPP=`eval "echo $CPP"`
91b5aa9a 869[eval `${CPP} -Isrc ${tempcname} \
4428e268
DL
870 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
871if test "x$SPECIFIED_CFLAGS" = x; then
872 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
873 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
874else
875 REAL_CFLAGS="$CFLAGS"
91b5aa9a 876fi]
4428e268
DL
877rm ${tempcname}
878
879ac_link="$ac_link $ld_switch_machine $ld_switch_system"
880
881### Make sure subsequent tests use flags consistent with the build flags.
882
883if test x"${OVERRIDE_CPPFLAGS}" != x; then
884 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
885else
886 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
887fi
888
17b3d9f6
DL
889dnl For AC_FUNC_GETLOADAVG, at least:
890AC_CONFIG_LIBOBJ_DIR(src)
891
48989ead
DL
892dnl Do this early because it can frob feature test macros for Unix-98 &c.
893AC_SYS_LARGEFILE
894
2eec8691 895
ddd01c5d 896### The standard library on x86-64 and s390x GNU/Linux distributions can
0bc02f03
CY
897### be located in either /usr/lib64 or /usr/lib.
898case "${canonical}" in
058e0687 899 x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
0bc02f03 900 if test -d /usr/lib64; then
ddd01c5d
AS
901 AC_DEFINE(HAVE_LIB64_DIR, 1,
902 [Define to 1 if the directory /usr/lib64 exists.])
0bc02f03
CY
903fi
904esac
905
2eec8691
JD
906dnl This function defintion taken from Gnome 2.0
907dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
908dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
909dnl also defines GSTUFF_PKG_ERRORS on error
910AC_DEFUN([PKG_CHECK_MODULES], [
911 succeeded=no
912
8b1de1b5 913 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2eec8691
JD
914
915 if test "$PKG_CONFIG" = "no" ; then
916 ifelse([$4], , [AC_MSG_ERROR([
917 *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
918 else
919 PKG_CONFIG_MIN_VERSION=0.9.0
920 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
921 AC_MSG_CHECKING(for $2)
922
e9f67acf 923 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
2eec8691
JD
924 AC_MSG_RESULT(yes)
925 succeeded=yes
926
927 AC_MSG_CHECKING($1_CFLAGS)
94315858 928 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
2eec8691
JD
929 AC_MSG_RESULT($$1_CFLAGS)
930
931 AC_MSG_CHECKING($1_LIBS)
94315858 932 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
2eec8691
JD
933 AC_MSG_RESULT($$1_LIBS)
934 else
935 AC_MSG_RESULT(no)
936 $1_CFLAGS=""
937 $1_LIBS=""
938 ## If we have a custom action on failure, don't print errors, but
939 ## do set a variable so people can do so.
940 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
941 ifelse([$4], ,echo $$1_PKG_ERRORS,)
942 fi
943
944 AC_SUBST($1_CFLAGS)
945 AC_SUBST($1_LIBS)
946 else
947 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
948 echo "*** See http://www.freedesktop.org/software/pkgconfig"
949 fi
950 fi
951
952 if test $succeeded = yes; then
953 ifelse([$3], , :, [$3])
954 else
955 ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
956 fi
957])
958
959
3d9830e5
PJ
960if test "${with_sound}" != "no"; then
961 # Sound support for GNU/Linux and the free BSDs.
962 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
963 # Emulation library used on NetBSD.
964 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
965 AC_SUBST(LIBSOUND)
2eec8691
JD
966
967 ALSA_REQUIRED=1.0.0
968 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
2eec8691
JD
969 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
970 if test $HAVE_ALSA = yes; then
ce091e44
JD
971 SAVE_CFLAGS="$CFLAGS"
972 SAVE_LDFLAGS="$LDFLAGS"
973 CFLAGS="$ALSA_CFLAGS $CFLAGS"
974 LDFLAGS="$ALSA_LIBS $LDFLAGS"
975 AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
976 emacs_alsa_normal=yes,
977 emacs_alsa_normal=no)
978 if test "$emacs_alsa_normal" != yes; then
979 AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
980 [snd_lib_error_set_handler (0);],
981 emacs_alsa_subdir=yes,
982 emacs_alsa_subdir=no)
983 if test "$emacs_alsa_subdir" != yes; then
984 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
985 fi
986 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
987 fi
988
989 CFLAGS="$SAVE_CFLAGS"
990 LDFLAGS="$SAVE_LDFLAGS"
2eec8691
JD
991 LIBSOUND="$LIBSOUND $ALSA_LIBS"
992 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
993 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
994 fi
995 AC_SUBST(CFLAGS_SOUND)
3d9830e5 996fi
b412189c 997
9ec10b2f 998dnl checks for header files
1113b624
PE
999AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1000 linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
9afca57c 1001 termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
551ffc27 1002 sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
8a877e5c 1003 sys/utsname.h pwd.h)
f17e308a
JD
1004
1005AC_MSG_CHECKING(if personality LINUX32 can be set)
1006AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1007 emacs_cv_personality_linux32=yes,
1008 emacs_cv_personality_linux32=no)
1009AC_MSG_RESULT($emacs_cv_personality_linux32)
1010
1011if test $emacs_cv_personality_linux32 = yes; then
1012 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1013 [Define to 1 if personality LINUX32 can be set.])
1014fi
1015
91b5aa9a
DL
1016dnl On Solaris 8 there's a compilation warning for term.h because
1017dnl it doesn't define `bool'.
1018AC_CHECK_HEADERS(term.h, , , -)
6e0dc84a
DM
1019AC_HEADER_STDC
1020AC_HEADER_TIME
71cc40d5
DL
1021AC_CHECK_DECLS([sys_siglist])
1022if test $ac_cv_have_decl_sys_siglist != yes; then
1023 # For Tru64, at least:
1024 AC_CHECK_DECLS([__sys_siglist])
1025 if test $ac_cv_have_decl___sys_siglist = yes; then
1026 AC_DEFINE(sys_siglist, __sys_siglist,
1027 [Define to any substitute for sys_siglist.])
1028 fi
1029fi
2ce723a5 1030AC_HEADER_SYS_WAIT
9ec10b2f 1031
3cd69289 1032dnl Some systems have utime.h but don't declare the struct anyplace.
fd0a060b 1033AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
3cd69289
DM
1034AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1035#include <sys/time.h>
1036#include <time.h>
1037#else
1038#ifdef HAVE_SYS_TIME_H
1039#include <sys/time.h>
1040#else
1041#include <time.h>
1042#endif
1043#endif
1044#ifdef HAVE_UTIME_H
1045#include <utime.h>
1046#endif], [static struct utimbuf x; x.actime = x.modtime;],
fd0a060b
AS
1047 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1048if test $emacs_cv_struct_utimbuf = yes; then
5e7d772d 1049 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
fd0a060b 1050fi
3cd69289 1051
9ec10b2f 1052dnl checks for typedefs
6e0dc84a 1053AC_TYPE_SIGNAL
9ec10b2f 1054
25abcaf1
GM
1055dnl Check for speed_t typedef.
1056AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
a1d8dc87
RS
1057 [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1058 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
25abcaf1 1059if test $emacs_cv_speed_t = yes; then
177c0ea7 1060 AC_DEFINE(HAVE_SPEED_T, 1,
a1d8dc87 1061 [Define to 1 if `speed_t' is declared by <termios.h>.])
25abcaf1
GM
1062fi
1063
fd0a060b 1064AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
3cd69289
DM
1065AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1066#include <sys/time.h>
1067#include <time.h>
1068#else
1069#ifdef HAVE_SYS_TIME_H
1070#include <sys/time.h>
1071#else
1072#include <time.h>
1073#endif
1074#endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
fd0a060b
AS
1075 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1076HAVE_TIMEVAL=$emacs_cv_struct_timeval
1077if test $emacs_cv_struct_timeval = yes; then
5e7d772d 1078 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
fd0a060b 1079fi
3cd69289 1080
63c59d1e 1081AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
177c0ea7 1082AC_TRY_COMPILE([#include <math.h>],
63c59d1e
DL
1083[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1084 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1085HAVE_EXCEPTION=$emacs_cv_struct_exception
1086if test $emacs_cv_struct_exception != yes; then
5e7d772d 1087 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
63c59d1e
DL
1088fi
1089
ce6e4c21
AS
1090AC_CHECK_HEADERS(sys/socket.h)
1091AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1092#if HAVE_SYS_SOCKET_H
1093#include <sys/socket.h>
1094#endif])
1095
9ec10b2f
DM
1096dnl checks for structure members
1097AC_STRUCT_TM
6e0dc84a 1098AC_STRUCT_TIMEZONE
5e7d772d
AS
1099AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1100 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1101 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1102 [#include <time.h>])
f6214bb7 1103AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
86bd9393 1104 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
ce6e4c21
AS
1105 struct ifreq.ifr_addr], , ,
1106 [AC_INCLUDES_DEFAULT
1107#if HAVE_SYS_SOCKET_H
1108#include <sys/socket.h>
1109#endif
1110#if HAVE_NET_IF_H
1111#include <net/if.h>
1112#endif])
9ec10b2f
DM
1113
1114dnl checks for compiler characteristics
3f5b097c
DL
1115
1116dnl Testing __STDC__ to determine prototype support isn't good enough.
1117dnl DEC C, for instance, doesn't define it with default options, and
1118dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1119dnl and void *.
1120AC_C_PROTOTYPES
1121AC_C_VOLATILE
6e0dc84a 1122AC_C_CONST
3f5b097c
DL
1123dnl This isn't useful because we can't turn on use of `inline' unless
1124dnl the compiler groks `extern inline'.
1125dnl AC_C_INLINE
1126AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
177c0ea7 1127 [AC_TRY_COMPILE(, [void * foo;],
3f5b097c
DL
1128 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1129if test $emacs_cv_void_star = yes; then
1130 AC_DEFINE(POINTER_TYPE, void)
1131else
1132 AC_DEFINE(POINTER_TYPE, char)
1133fi
5e7d772d
AS
1134AH_TEMPLATE(POINTER_TYPE,
1135 [Define as `void' if your compiler accepts `void *'; otherwise
1136 define as `char'.])dnl
9ec10b2f 1137
4494a266
JD
1138
1139
71cc40d5
DL
1140dnl This could be used for targets which can have both byte sexes.
1141dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1142dnl AC_C_BIGENDIAN
1143
9ec10b2f 1144dnl check for Make feature
6e0dc84a 1145AC_PROG_MAKE_SET
9ec10b2f
DM
1146
1147dnl checks for operating system services
6e0dc84a 1148AC_SYS_LONG_FILE_NAMES
9ec10b2f
DM
1149
1150#### Choose a window system.
9ec10b2f 1151
6e0dc84a 1152AC_PATH_X
530ce502
DM
1153if test "$no_x" = yes; then
1154 window_system=none
1155else
1156 window_system=x11
1157fi
9ec10b2f 1158
1066d056
GM
1159## Workaround for bug in autoconf <= 2.62.
1160## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1161## No need to do anything special for these standard directories.
1162## This is an experiment, take it out if it causes problems.
1163if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1164
1165 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1166
1167fi
1168
f13de01e
AS
1169if test "${x_libraries}" != NONE; then
1170 if test -n "${x_libraries}"; then
1171 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1172 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1173 fi
66d736a9 1174 x_default_search_path=""
f13de01e
AS
1175 x_search_path=${x_libraries}
1176 if test -z "${x_search_path}"; then
1177 x_search_path=/usr/lib
1178 fi
1179 for x_library in `echo ${x_search_path}: | \
1180 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
c8d4d4cc
KH
1181 x_search_path="\
1182${x_library}/X11/%L/%T/%N%C%S:\
1183${x_library}/X11/%l/%T/%N%C%S:\
1184${x_library}/X11/%T/%N%C%S:\
1185${x_library}/X11/%L/%T/%N%S:\
1186${x_library}/X11/%l/%T/%N%S:\
1187${x_library}/X11/%T/%N%S"
66d736a9
RS
1188 if test x"${x_default_search_path}" = x; then
1189 x_default_search_path=${x_search_path}
1190 else
1191 x_default_search_path="${x_search_path}:${x_default_search_path}"
1192 fi
1193 done
ea199426
DM
1194fi
1195if test "${x_includes}" != NONE && test -n "${x_includes}"; then
cc6476f6 1196 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
ea199426 1197fi
9ec10b2f 1198
8dbeb353
DM
1199if test x"${x_includes}" = x; then
1200 bitmapdir=/usr/include/X11/bitmaps
3cd69289 1201else
908ff139 1202 # accumulate include directories that have X11 bitmap subdirectories
cc6476f6
KH
1203 bmd_acc="dummyval"
1204 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1205 if test -d "${bmd}/X11/bitmaps"; then
1206 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
4f6f5dab
GM
1207 fi
1208 if test -d "${bmd}/bitmaps"; then
cc6476f6
KH
1209 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1210 fi
1211 done
1212 if test ${bmd_acc} != "dummyval"; then
1213 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1214 fi
3cd69289
DM
1215fi
1216
9797a87d
YM
1217HAVE_CARBON=no
1218if test "${with_carbon}" != no; then
1219 AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
316460cf 1220 test "${HAVE_CARBON}" = yes && window_system=mac
9797a87d
YM
1221fi
1222
edfda783 1223HAVE_NS=no
122e9f8f
AR
1224NS_IMPL_COCOA=no
1225NS_IMPL_GNUSTEP=no
edfda783
AR
1226tmp_CPPFLAGS="$CPPFLAGS"
1227tmp_CFLAGS="$CFLAGS"
1228CPPFLAGS="$CPPFLAGS -x objective-c"
1229CFLAGS="$CFLAGS -x objective-c"
1230if test "${with_ns}" != no; then
1231 if test "${opsys}" = darwin; then
122e9f8f 1232 NS_IMPL_COCOA=yes
06b62770
AR
1233 ns_appdir=`pwd`/nextstep/Emacs.app
1234 ns_appbindir=`pwd`/nextstep/Emacs.app/Contents/MacOS
1235 ns_appresdir=`pwd`/nextstep/Emacs.app/Contents/Resources
1236 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
edfda783 1237 elif test -f /etc/GNUstep/GNUstep.conf; then
122e9f8f 1238 NS_IMPL_GNUSTEP=yes
06b62770
AR
1239 ns_appdir=`pwd`/nextstep/Emacs.app
1240 ns_appbindir=`pwd`/nextstep/Emacs.app
1241 ns_appresdir=`pwd`/nextstep/Emacs.app/Resources
1242 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
7a55ab54 1243 GNUSTEP_MAKEFILES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_MAKEFILES)"
edfda783
AR
1244 GNUSTEP_SYSTEM_HEADERS="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_HEADERS)"
1245 GNUSTEP_SYSTEM_LIBRARIES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1246 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1247 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1248 REAL_CFLAGS="$REAL_CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
1249 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES}"
1250 fi
1251 AC_CHECK_HEADER(AppKit/AppKit.h, HAVE_NS=yes)
1252fi
edfda783 1253if test "${HAVE_NS}" = yes; then
6ba72723 1254 test "${window_system}" = mac && HAVE_CARBON=no
edfda783
AR
1255 window_system=nextstep
1256 with_xft=no
1257 with_freetype=no
06b62770
AR
1258 # set up packaging dirs
1259 exec_prefix=${ns_appbindir}
1260 libexecdir=${ns_appbindir}/libexec
1261 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1262 prefix=${ns_appresdir}
1263 fi
edfda783
AR
1264fi
1265CFLAGS="$tmp_CFLAGS"
1266CPPFLAGS="$tmp_CPPFLAGS"
1267
9ec10b2f
DM
1268case "${window_system}" in
1269 x11 )
1270 HAVE_X_WINDOWS=yes
1271 HAVE_X11=yes
1272 case "${with_x_toolkit}" in
c7f493fd
RM
1273 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1274 motif ) USE_X_TOOLKIT=MOTIF ;;
488dd4c4
JD
1275 gtk ) with_gtk=yes
1276dnl Dont set this for GTK. A lot of tests below assumes Xt when
1277dnl USE_X_TOOLKIT is set.
1278 USE_X_TOOLKIT=none ;;
4be21f66 1279 no ) USE_X_TOOLKIT=none ;;
4f823057
GM
1280dnl If user did not say whether to use a toolkit, make this decision later:
1281dnl use the toolkit if we have gtk, or X11R5 or newer.
86dc59b0 1282 * ) USE_X_TOOLKIT=maybe ;;
9ec10b2f
DM
1283 esac
1284 ;;
edfda783 1285 nextstep | mac | none )
9ec10b2f
DM
1286 HAVE_X_WINDOWS=no
1287 HAVE_X11=no
1288 USE_X_TOOLKIT=none
1289 ;;
1290esac
9ec10b2f 1291
31ad8850
JD
1292if test "$window_system" = none && test "X$with_x" != "Xno"; then
1293 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1294 if test "$HAVE_XSERVER" = true ||
131e4133 1295 test -n "$DISPLAY" ||
31ad8850
JD
1296 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1297 AC_MSG_ERROR([You seem to be running X, but no X development libraries
0d875537
GM
1298were found. You should install the relevant development files for X
1299and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
31ad8850
JD
1300sure you have development files for image handling, i.e.
1301tiff, gif, jpeg, png and xpm.
1302If you are sure you want Emacs compiled without X window support, pass
1303 --without-x
1304to configure.])
1305 fi
1306fi
1307
9ec10b2f 1308### If we're using X11, we should use the X menu package.
08741ba9 1309HAVE_MENUS=no
9ec10b2f 1310case ${HAVE_X11} in
08741ba9 1311 yes ) HAVE_MENUS=yes ;;
9ec10b2f 1312esac
177c0ea7 1313
9ec10b2f
DM
1314# Do the opsystem or machine files prohibit the use of the GNU malloc?
1315# Assume not, until told otherwise.
1316GNU_MALLOC=yes
b05a95cb
RS
1317doug_lea_malloc=yes
1318AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1319AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
fd0a060b
AS
1320AC_CACHE_CHECK(whether __after_morecore_hook exists,
1321 emacs_cv_var___after_morecore_hook,
e9b2a022 1322[AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
fd0a060b 1323 emacs_cv_var___after_morecore_hook=yes,
e9b2a022 1324 emacs_cv_var___after_morecore_hook=no)])
fd0a060b
AS
1325if test $emacs_cv_var___after_morecore_hook = no; then
1326 doug_lea_malloc=no
1327fi
8cd88038 1328if test "${system_malloc}" = "yes"; then
9ec10b2f
DM
1329 GNU_MALLOC=no
1330 GNU_MALLOC_reason="
b05a95cb 1331 (The GNU allocators don't work with this system configuration.)"
9ec10b2f 1332fi
8cd88038
RS
1333if test "$doug_lea_malloc" = "yes" ; then
1334 if test "$GNU_MALLOC" = yes ; then
1335 GNU_MALLOC_reason="
0855015c 1336 (Using Doug Lea's new malloc from the GNU C Library.)"
8cd88038 1337 fi
5e7d772d
AS
1338 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1339 [Define to 1 if you are using the GNU C Library.])
8cd88038 1340fi
9ec10b2f
DM
1341
1342if test x"${REL_ALLOC}" = x; then
1343 REL_ALLOC=${GNU_MALLOC}
1344fi
1345
e32fac2a 1346dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
69c40632 1347dnl the system configuration file (s/*.h) to turn the use of mmap
53c94d4d 1348dnl in the relocating allocator on.
b1b4ce06
GM
1349
1350AC_FUNC_MMAP
e32fac2a
GM
1351if test $use_mmap_for_buffers = yes; then
1352 REL_ALLOC=no
b1b4ce06
GM
1353fi
1354
52c76122 1355LIBS="$libsrc_libs $LIBS"
9ec10b2f
DM
1356
1357dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1358dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1359AC_CHECK_LIB(dnet, dnet_ntoa)
1360dnl This causes -lresolv to get used in subsequent tests,
1361dnl which causes failures on some systems such as HPUX 9.
1362dnl AC_CHECK_LIB(resolv, gethostbyname)
1363
1364dnl FIXME replace main with a function we actually want from this library.
1365AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1366
027dae63 1367AC_CHECK_LIB(pthreads, cma_open)
1d94ee28 1368
f4d9f5b8
FP
1369dnl Check for need for bigtoc support on IBM AIX
1370
1371case ${host_os} in
1372aix*)
1373 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1374 case $GCC in
1375 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1376 *) gdb_cv_bigtoc=-bbigtoc ;;
1377 esac
1378
1379 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1380 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1381 ])
1382 ;;
1383esac
9ec10b2f 1384
9811b1cf
RS
1385# Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1386# used for the tests that follow. We set them back to REAL_CFLAGS and
1387# REAL_CPPFLAGS later on.
9ec10b2f 1388
5a9bf171
KR
1389REAL_CPPFLAGS="$CPPFLAGS"
1390
9ec10b2f
DM
1391if test "${HAVE_X11}" = "yes"; then
1392 DEFS="$C_SWITCH_X_SITE $DEFS"
96c20358
RS
1393 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1394 LIBS="$LIBX $LIBS"
9ec10b2f 1395 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
5a9bf171 1396 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
509fccc3 1397
617a496c
RS
1398 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1399 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1400 # but it's more convenient here to set LD_RUN_PATH
1401 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1402 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1403 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1404 export LD_RUN_PATH
1405 fi
1406
5ac83f86 1407 if test "${opsys}" = "gnu-linux"; then
3bbe016c 1408 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
509fccc3
RS
1409 AC_TRY_LINK([],
1410 [XOpenDisplay ("foo");],
3bbe016c
KH
1411 [xlinux_first_failure=no],
1412 [xlinux_first_failure=yes])
1413 if test "${xlinux_first_failure}" = "yes"; then
509fccc3
RS
1414 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1415 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1416 OLD_CPPFLAGS="$CPPFLAGS"
1417 OLD_LIBS="$LIBS"
1418 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1419 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1420 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1421 LIBS="$LIBS -b i486-linuxaout"
1422 AC_TRY_LINK([],
1423 [XOpenDisplay ("foo");],
3bbe016c
KH
1424 [xlinux_second_failure=no],
1425 [xlinux_second_failure=yes])
1426 if test "${xlinux_second_failure}" = "yes"; then
509fccc3
RS
1427 # If we get the same failure with -b, there is no use adding -b.
1428 # So take it out. This plays safe.
1429 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1430 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1431 CPPFLAGS="$OLD_CPPFLAGS"
1432 LIBS="$OLD_LIBS"
1433 AC_MSG_RESULT(no)
1434 else
1435 AC_MSG_RESULT(yes)
1436 fi
1437 else
1438 AC_MSG_RESULT(no)
1439 fi
1440 fi
1441
9ca4be21
GM
1442 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1443 # header files included from there.
1444 AC_MSG_CHECKING(for Xkb)
1445 AC_TRY_LINK([#include <X11/Xlib.h>
1446#include <X11/XKBlib.h>],
1447 [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1448 emacs_xkb=yes, emacs_xkb=no)
ad4ac636 1449 AC_MSG_RESULT($emacs_xkb)
9ca4be21 1450 if test $emacs_xkb = yes; then
5e7d772d 1451 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
9ca4be21
GM
1452 fi
1453
6e0dc84a 1454 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
9ca4be21 1455XScreenNumberOfScreen XSetWMProtocols)
9ec10b2f
DM
1456fi
1457
08741ba9 1458if test "${window_system}" = "x11"; then
4be21f66 1459 AC_MSG_CHECKING(X11 version 6)
fd0a060b 1460 AC_CACHE_VAL(emacs_cv_x11_version_6,
e9b2a022 1461 [AC_TRY_LINK([#include <X11/Xlib.h>],
08741ba9
RS
1462[#if XlibSpecificationRelease < 6
1463fail;
1464#endif
e9b2a022 1465], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
fd0a060b
AS
1466 if test $emacs_cv_x11_version_6 = yes; then
1467 AC_MSG_RESULT(6 or newer)
5e7d772d
AS
1468 AC_DEFINE(HAVE_X11R6, 1,
1469 [Define to 1 if you have the X11R6 or newer version of Xlib.])
fd0a060b
AS
1470 else
1471 AC_MSG_RESULT(before 6)
1472 fi
08741ba9
RS
1473fi
1474
f7894e88 1475
96f574f0
GM
1476### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1477HAVE_RSVG=no
7abdcaf4 1478if test "${HAVE_X11}" = "yes" || test "${HAVE_CARBON}" = "yes"; then
96f574f0 1479 if test "${with_rsvg}" != "no"; then
96f574f0
GM
1480 RSVG_REQUIRED=2.0.0
1481 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1482
1483 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, :, :)
1484 AC_SUBST(RSVG_CFLAGS)
1485 AC_SUBST(RSVG_LIBS)
1486
1487 if test ".${RSVG_CFLAGS}" != "."; then
1488 HAVE_RSVG=yes
1489 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1490 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1491 LIBS="$RSVG_LIBS $LIBS"
1492 fi
1493 fi
1494fi
1495
1496
488dd4c4 1497HAVE_GTK=no
86dc59b0 1498if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
f8932819
JD
1499 GLIB_REQUIRED=2.6
1500 GTK_REQUIRED=2.6
488dd4c4
JD
1501 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1502
488dd4c4 1503 dnl Checks for libraries.
4f823057
GM
1504 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1505 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1506 AC_MSG_ERROR($GTK_PKG_ERRORS)
1507 fi
1508fi
1509
1510
1511if test x"$pkg_check_gtk" = xyes; then
1512
488dd4c4
JD
1513 AC_SUBST(GTK_CFLAGS)
1514 AC_SUBST(GTK_LIBS)
1515 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
57669b57
JD
1516 CFLAGS="$CFLAGS $GTK_CFLAGS"
1517 LIBS="$GTK_LIBS $LIBS"
a8ba915c
JD
1518 dnl Try to compile a simple GTK program.
1519 GTK_COMPILES=no
1520 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1521 if test "${GTK_COMPILES}" != "yes"; then
4f823057
GM
1522 if test "$USE_X_TOOLKIT" != "maybe"; then
1523 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1524 fi
1525 else
1526 HAVE_GTK=yes
a51f4969 1527 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
4f823057 1528 USE_X_TOOLKIT=none
72f51d25
JD
1529 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1530 :
1531 else
1532 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1533 closing open displays. This is no problem if you just use
1534 one display, but if you use more than one and close one of them
1535 Emacs may crash.]])
1536 sleep 3
1537 fi
a8ba915c 1538 fi
4f823057
GM
1539
1540fi
1541
1542
1543if test "${HAVE_GTK}" = "yes"; then
488dd4c4 1544
57669b57 1545 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
488dd4c4 1546 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
d0a80c21
JD
1547 if test "$with_toolkit_scroll_bars" != no; then
1548 with_toolkit_scroll_bars=yes
1549 fi
57669b57
JD
1550
1551 dnl Check if we can use multiple displays with this GTK version.
1552 dnl If gdk_display_open exists, assume all others are there also.
1553 HAVE_GTK_MULTIDISPLAY=no
1554 AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
1555 if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
1556 AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
1557 [Define to 1 if GTK can handle more than one display.])
1558 fi
5f6a587f 1559
572a3cc2
JD
1560 dnl Check if we have the old file selection dialog.
1561 dnl If gdk_display_open exists, assume all others are there also.
1562 HAVE_GTK_FILE_SELECTION=no
1563 AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
1564
1565 dnl Check if we have the new file chooser dialog
1566 dnl If gdk_display_open exists, assume all others are there also.
1567 HAVE_GTK_FILE_CHOOSER=no
1568 AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
1569
1570 if test "$HAVE_GTK_FILE_SELECTION" = yes \
1571 && test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1572 AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
1573 [Define to 1 if GTK has both file selection and chooser dialog.])
1574 fi
b8bdffbe
JD
1575
1576 dnl Check if pthreads are available. Emacs only needs this when using
1577 dnl gtk_file_chooser under Gnome.
1578 if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1579 HAVE_GTK_AND_PTHREAD=no
1580 AC_CHECK_HEADERS(pthread.h)
1581 if test "$ac_cv_header_pthread_h"; then
1582 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1583 fi
1584 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
846d1b3e
JD
1585 case "${canonical}" in
1586 *-hpux*) ;;
1587 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1588 esac
b8bdffbe
JD
1589 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1590 [Define to 1 if you have GTK and pthread (-lpthread).])
1591 fi
1592 fi
488dd4c4
JD
1593fi
1594
131e4133 1595dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
bf9a7ece 1596dnl other platforms. Support for higher D-Bus versions than 1.0 is
131e4133
MA
1597dnl also not configured.
1598HAVE_DBUS=no
1599if test "${with_dbus}" = "yes"; then
cffe4909 1600 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
131e4133
MA
1601 if test "$HAVE_DBUS" = yes; then
1602 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
131e4133
MA
1603 fi
1604fi
131e4133 1605
bce97856
RS
1606dnl Do not put whitespace before the #include statements below.
1607dnl Older compilers (eg sunos4 cc) choke on it.
687b2aa3 1608HAVE_XAW3D=no
465ace28 1609if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
e818a450
JD
1610 if test "$with_xaw3d" != no; then
1611 AC_MSG_CHECKING(for xaw3d)
1612 AC_CACHE_VAL(emacs_cv_xaw3d,
1613 [AC_TRY_LINK([
bce97856 1614#include <X11/Intrinsic.h>
687b2aa3 1615#include <X11/Xaw3d/Simple.h>],
e818a450
JD
1616 [],
1617 emacs_cv_xaw3d=yes,
1618 emacs_cv_xaw3d=no)])
1619 else
1620 emacs_cv_xaw3d=no
1621 fi
1622 if test $emacs_cv_xaw3d = yes; then
1623 AC_MSG_RESULT([yes; using Lucid toolkit])
1624 USE_X_TOOLKIT=LUCID
1625 HAVE_XAW3D=yes
1626 AC_DEFINE(HAVE_XAW3D, 1,
1627 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
1628 else
1629 AC_MSG_RESULT(no)
1630 AC_MSG_CHECKING(for libXaw)
1631 AC_CACHE_VAL(emacs_cv_xaw,
1632 [AC_TRY_LINK([
1633#include <X11/Intrinsic.h>
1634#include <X11/Xaw/Simple.h>],
1635 [],
1636 emacs_cv_xaw=yes,
1637 emacs_cv_xaw=no)])
1638 if test $emacs_cv_xaw = yes; then
687b2aa3 1639 AC_MSG_RESULT([yes; using Lucid toolkit])
fd0a060b 1640 USE_X_TOOLKIT=LUCID
e818a450
JD
1641 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
1642 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
fd0a060b 1643 else
e818a450
JD
1644 AC_MSG_RESULT([no; do not use toolkit by default])
1645 USE_X_TOOLKIT=none
fd0a060b 1646 fi
f7894e88 1647 fi
4be21f66
KH
1648fi
1649
1650X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1651
9ec10b2f
DM
1652if test "${USE_X_TOOLKIT}" != "none"; then
1653 AC_MSG_CHECKING(X11 toolkit version)
fd0a060b 1654 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
e9b2a022 1655 [AC_TRY_LINK([#include <X11/Intrinsic.h>],
9ec10b2f
DM
1656[#if XtSpecificationRelease < 6
1657fail;
1658#endif
e9b2a022 1659], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
fd0a060b
AS
1660 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1661 if test $emacs_cv_x11_toolkit_version_6 = yes; then
1662 AC_MSG_RESULT(6 or newer)
5e7d772d
AS
1663 AC_DEFINE(HAVE_X11XTR6, 1,
1664 [Define to 1 if you have the X11R6 or newer version of Xt.])
fd0a060b
AS
1665 else
1666 AC_MSG_RESULT(before 6)
1667 fi
6aad10e4
RS
1668
1669dnl If using toolkit, check whether libXmu.a exists.
1670dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1671 OLDLIBS="$LIBS"
fcc303f4
RS
1672 if test x$HAVE_X11XTR6 = xyes; then
1673 LIBS="-lXt -lSM -lICE $LIBS"
1674 else
1675 LIBS="-lXt $LIBS"
1676 fi
6aad10e4 1677 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
ad4ac636
GM
1678 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1679fi
1680
1681# On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1682if test "${HAVE_X11}" = "yes"; then
1683 if test "${USE_X_TOOLKIT}" != "none"; then
1684 AC_CHECK_LIB(Xext, XShapeQueryExtension)
1685 fi
9ec10b2f
DM
1686fi
1687
66d736a9 1688if test "${USE_X_TOOLKIT}" = "MOTIF"; then
fd0a060b 1689 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
e9b2a022 1690 [AC_TRY_COMPILE([#include <Xm/Xm.h>],
66d736a9
RS
1691 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1692int x = 5;
1693#else
1694Motif version prior to 2.1.
1695#endif],
e9b2a022 1696 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
fd0a060b
AS
1697 HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1698 if test $emacs_cv_motif_version_2_1 = yes; then
d96a4de3 1699 HAVE_LIBXP=no
5e7d772d
AS
1700 AC_DEFINE(HAVE_MOTIF_2_1, 1,
1701 [Define to 1 if you have Motif 2.1 or newer.])
ad4ac636 1702 AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
72d9b5b3 1703 if test ${HAVE_LIBXP} = yes; then
5e7d772d
AS
1704 AC_DEFINE(HAVE_LIBXP, 1,
1705 [Define to 1 if you have the Xp library (-lXp).])
177c0ea7 1706 fi
4693dbc9
SM
1707 else
1708 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
1709 # We put this in CFLAGS temporarily to precede other -I options
1710 # that might be in CFLAGS temporarily.
1711 # We put this in CPPFLAGS where it precedes the other -I options.
1712 OLD_CPPFLAGS=$CPPFLAGS
1713 OLD_CFLAGS=$CFLAGS
1714 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
1715 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
1716 [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
1717 [int x = 5;],
1718 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
1719 if test $emacs_cv_lesstif = yes; then
1720 # Make sure this -I option remains in CPPFLAGS after it is set
1721 # back to REAL_CPPFLAGS.
1722 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
1723 # have those other -I options anyway. Ultimately, having this
1724 # directory ultimately in CPPFLAGS will be enough.
1725 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
1726 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
1727 else
1728 CFLAGS=$OLD_CFLAGS
1729 CPPFLAGS=$OLD_CPPFLAGS
1730 fi
fd0a060b 1731 fi
66d736a9
RS
1732fi
1733
488dd4c4 1734dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
0be97a72
GM
1735dnl using Motif or Xaw3d is available, and unless
1736dnl --with-toolkit-scroll-bars=no was specified.
1737
5e7d772d
AS
1738AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
1739 [Define to 1 if we should use toolkit scroll bars.])dnl
0be97a72
GM
1740USE_TOOLKIT_SCROLL_BARS=no
1741if test "${with_toolkit_scroll_bars}" != "no"; then
1742 if test "${USE_X_TOOLKIT}" != "none"; then
1743 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1744 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1745 HAVE_XAW3D=no
1746 USE_TOOLKIT_SCROLL_BARS=yes
1747 elif test "${HAVE_XAW3D}" = "yes"; then
1748 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1749 USE_TOOLKIT_SCROLL_BARS=yes
1750 fi
488dd4c4
JD
1751 elif test "${HAVE_GTK}" = "yes"; then
1752 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1753 USE_TOOLKIT_SCROLL_BARS=yes
de0a3247
YM
1754 elif test "${HAVE_CARBON}" = "yes"; then
1755 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1756 USE_TOOLKIT_SCROLL_BARS=yes
edfda783
AR
1757 elif test "${HAVE_NS}" = "yes"; then
1758 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1759 USE_TOOLKIT_SCROLL_BARS=yes
0be97a72
GM
1760 fi
1761fi
1762
0d936a36
RS
1763dnl See if XIM is available.
1764AC_TRY_COMPILE([
1765 #include <X11/Xlib.h>
1766 #include <X11/Xresource.h>],
1767 [XIMProc callback;],
28aa2c3e
AS
1768 [HAVE_XIM=yes
1769 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
0d936a36
RS
1770 HAVE_XIM=no)
1771
1772dnl `--with-xim' now controls only the initial value of use_xim at run time.
c6f7dae8
GM
1773
1774if test "${with_xim}" != "no"; then
5e7d772d
AS
1775 AC_DEFINE(USE_XIM, 1,
1776 [Define to 1 if we should use XIM, if it is available.])
4fdbcac5 1777fi
f6214bb7 1778
0d936a36
RS
1779
1780if test "${HAVE_XIM}" != "no"; then
a6c2ef66
DL
1781 late_CFLAGS=$CFLAGS
1782 if test "$GCC" = yes; then
1783 CFLAGS="$CFLAGS --pedantic-errors"
1784 fi
1c3a8acf
DL
1785 AC_TRY_COMPILE([
1786#include <X11/Xlib.h>
1787#include <X11/Xresource.h>],
1788[Display *display;
1789XrmDatabase db;
1790char *res_name;
1791char *res_class;
1792XIMProc callback;
1793XPointer *client_data;
a6c2ef66
DL
1794#ifndef __GNUC__
1795/* If we're not using GCC, it's probably not XFree86, and this is
1796 probably right, but we can't use something like --pedantic-errors. */
1797extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
1798 char*, XIMProc, XPointer*);
1799#endif
1c3a8acf
DL
1800(void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
1801 client_data);],
1802 [emacs_cv_arg6_star=yes])
1803 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
1804 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
1805either XPointer or XPointer*.])dnl
1806 if test "$emacs_cv_arg6_star" = yes; then
8cfdf2ca 1807 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
1c3a8acf 1808 else
8cfdf2ca 1809 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
1c3a8acf 1810 fi
a6c2ef66 1811 CFLAGS=$late_CFLAGS
c6f7dae8
GM
1812fi
1813
46bb649d 1814### Start of font-backend section.
1ef37fa8
KH
1815
1816## Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'.
1817HAVE_XFT=maybe
1818if test "x${with_freetype}" = "xno"; then
1819 with_xft="no";
1820fi
1821if test "x${with_xft}" != "xno"; then
1822
1823 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
1824 if test "$HAVE_XFT" != no; then
1825 OLD_CPPFLAGS="$CPPFLAGS"
1826 OLD_CFLAGS="$CFLAGS"
1827 OLD_LIBS="$LIBS"
1828 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
1829 CFLAGS="$CFLAGS $XFT_CFLAGS"
1830 LIBS="$XFT_LIBS $LIBS"
1831 AC_CHECK_HEADER(X11/Xft/Xft.h,
1832 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
1833
1834 if test "${HAVE_XFT}" = "yes"; then
1835 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
1836 AC_SUBST(XFT_LIBS)
1837 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
1838 else
1839 CPPFLAGS="$OLD_CPPFLAGS"
1840 CFLAGS="$OLD_CFLAGS"
1841 LIBS="$OLD_LIBS"
1842 fi # "${HAVE_XFT}" = "yes"
1843 fi # "$HAVE_XFT" != no
1844fi # "x${with_xft}" != "xno"
1845
1846dnl For the "Does Emacs use" message at the end.
1847if test "$HAVE_XFT" != "yes"; then
1848 HAVE_XFT=no
46bb649d 1849fi
0666b4f1 1850
0666b4f1 1851
1ef37fa8
KH
1852HAVE_FREETYPE=no
1853### Use -lfreetype if available, unless `--with-freetype=no'.
1854if test "${HAVE_XFT}" = "yes"; then
1855 dnl As we use Xft, we anyway use freetype.
1856 dnl In this case, there's no need of additional CFLAGS and LIBS.
1857 HAVE_FREETYPE=yes
1858elif test "x${with_freetype}" != "xno"; then
0666b4f1 1859
1ef37fa8
KH
1860 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no)
1861 if test "${HAVE_FREETYPE}" = "yes"; then
1862 PKG_CHECK_MODULES(FONTCONFIG, fontconfig, HAVE_FC=yes, HAVE_FC=no)
1863 if test "${HAVE_FC}" = "no"; then
1864 dnl Without fontconfig, we can't use freetype at the moment.
1865 HAVE_FREETYPE=no
0666b4f1
KH
1866 fi
1867 fi
1ef37fa8
KH
1868fi
1869
1870HAVE_LIBOTF=no
1871if test "${HAVE_FREETYPE}" = "yes"; then
1872 AC_DEFINE(HAVE_FREETYPE, 1,
1873 [Define to 1 if using the freetype and fontconfig libraries.])
1874 if test "${with_libotf}" != "no"; then
1875 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
1876 HAVE_LIBOTF=no)
1877 if test "$HAVE_LIBOTF" = "yes"; then
1878 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
0666b4f1 1879 fi
1ef37fa8 1880 fi
46bb649d
GM
1881dnl FIXME should there be an error if HAVE_FREETYPE != yes?
1882dnl Does the new font backend require it, or can it work without it?
1ef37fa8
KH
1883fi
1884
1885HAVE_M17N_FLT=no
1886if test "${with_m17n_flt}" != "no"; then
1887 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
1888 if test "$HAVE_M17N_FLT" = "yes"; then
1889 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
0666b4f1 1890 fi
1ef37fa8
KH
1891fi
1892
1893AC_SUBST(FREETYPE_CFLAGS)
1894AC_SUBST(FREETYPE_LIBS)
1895AC_SUBST(FONTCONFIG_CFLAGS)
1896AC_SUBST(FONTCONFIG_LIBS)
1897AC_SUBST(LIBOTF_CFLAGS)
1898AC_SUBST(LIBOTF_LIBS)
1899AC_SUBST(M17N_FLT_CFLAGS)
1900AC_SUBST(M17N_FLT_LIBS)
1901
46bb649d 1902### End of font-backend section.
0666b4f1 1903
620fdfdf
RS
1904### Use -lXpm if available, unless `--with-xpm=no'.
1905HAVE_XPM=no
1906if test "${HAVE_X11}" = "yes"; then
1907 if test "${with_xpm}" != "no"; then
620fdfdf 1908 AC_CHECK_HEADER(X11/xpm.h,
28aa2c3e 1909 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
7960d0bd 1910 if test "${HAVE_XPM}" = "yes"; then
29c1b68e
GM
1911 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
1912 AC_EGREP_CPP(no_return_alloc_pixels,
1913 [#include "X11/xpm.h"
7960d0bd
GM
1914#ifndef XpmReturnAllocPixels
1915no_return_alloc_pixels
1916#endif
29c1b68e
GM
1917 ], HAVE_XPM=no, HAVE_XPM=yes)
1918
1919 if test "${HAVE_XPM}" = "yes"; then
1920 AC_MSG_RESULT(yes)
1921 else
1922 AC_MSG_RESULT(no)
1923 fi
1890c0c4 1924 fi
620fdfdf
RS
1925 fi
1926
1927 if test "${HAVE_XPM}" = "yes"; then
5e7d772d 1928 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
620fdfdf
RS
1929 fi
1930fi
177c0ea7 1931
620fdfdf
RS
1932### Use -ljpeg if available, unless `--with-jpeg=no'.
1933HAVE_JPEG=no
1934if test "${HAVE_X11}" = "yes"; then
1935 if test "${with_jpeg}" != "no"; then
71cc40d5 1936 dnl Checking for jpeglib.h can lose because of a redefinition of
3cc9d384
DL
1937 dnl HAVE_STDLIB_H.
1938 AC_CHECK_HEADER(jerror.h,
28aa2c3e 1939 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
620fdfdf
RS
1940 fi
1941
5e7d772d 1942 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
620fdfdf
RS
1943 if test "${HAVE_JPEG}" = "yes"; then
1944 AC_DEFINE(HAVE_JPEG)
91b5aa9a 1945 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
a0dd4fa6 1946 [#include <jpeglib.h>
4d766b59 1947 version=JPEG_LIB_VERSION
177c0ea7 1948],
28aa2c3e 1949 [AC_DEFINE(HAVE_JPEG)],
4d766b59
RS
1950 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
1951 HAVE_JPEG=no])
620fdfdf
RS
1952 fi
1953fi
177c0ea7 1954
620fdfdf
RS
1955### Use -lpng if available, unless `--with-png=no'.
1956HAVE_PNG=no
1957if test "${HAVE_X11}" = "yes"; then
1958 if test "${with_png}" != "no"; then
8cfdf2ca
DL
1959 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
1960 # in /usr/include/libpng.
1961 AC_CHECK_HEADERS(png.h libpng/png.h)
1962 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
1963 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
1964 fi
620fdfdf
RS
1965 fi
1966
1967 if test "${HAVE_PNG}" = "yes"; then
5e7d772d 1968 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
620fdfdf
RS
1969 fi
1970fi
177c0ea7 1971
620fdfdf
RS
1972### Use -ltiff if available, unless `--with-tiff=no'.
1973HAVE_TIFF=no
1974if test "${HAVE_X11}" = "yes"; then
1975 if test "${with_tiff}" != "no"; then
620fdfdf 1976 AC_CHECK_HEADER(tiffio.h,
28aa2c3e 1977 [tifflibs="-lz -lm"
3b3cc4a4
KR
1978 # At least one tiff package requires the jpeg library.
1979 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
28aa2c3e 1980 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
620fdfdf
RS
1981 fi
1982
1983 if test "${HAVE_TIFF}" = "yes"; then
5e7d772d 1984 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
620fdfdf
RS
1985 fi
1986fi
177c0ea7 1987
47d1e061 1988### Use -lgif or -lungif if available, unless `--with-gif=no'.
620fdfdf 1989HAVE_GIF=no
47d1e061
GM
1990if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
1991 AC_CHECK_HEADER(gif_lib.h,
4d766b59
RS
1992# EGifPutExtensionLast only exists from version libungif-4.1.0b1.
1993# Earlier versions can crash Emacs.
28aa2c3e 1994 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes)])
47d1e061
GM
1995
1996 if test "$HAVE_GIF" = yes; then
12d9c91d 1997 ac_gif_lib_name="-lgif"
47d1e061
GM
1998 fi
1999
12d9c91d
GM
2000# If gif_lib.h but no libgif, try libungif.
2001 if test x"$try_libungif" = xyes; then
2002 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes)
47d1e061
GM
2003
2004 if test "$HAVE_GIF" = yes; then
12d9c91d
GM
2005 AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).])
2006 ac_gif_lib_name="-lungif"
47d1e061 2007 fi
620fdfdf
RS
2008 fi
2009
2010 if test "${HAVE_GIF}" = "yes"; then
12d9c91d 2011 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).])
bfa6fb7e
JD
2012 fi
2013fi
2014
2015dnl Check for required libraries.
2016if test "${HAVE_X11}" = "yes"; then
2017 MISSING=""
2018 WITH_NO=""
2019 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2020 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2021 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2022 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2023 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2024 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2025 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2026 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2027 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2028 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2029
2030 if test "X${MISSING}" != X; then
3d20d6aa 2031 AC_MSG_ERROR([The following required libraries were not found:
bfa6fb7e 2032 $MISSING
1ee86f21 2033Maybe some development libraries/packages are missing?
bfa6fb7e
JD
2034If you don't want to link with them give
2035 $WITH_NO
2036as options to configure])
620fdfdf
RS
2037 fi
2038fi
2039
79011b82
NR
2040### Use -lgpm if available, unless `--with-gpm=no'.
2041HAVE_GPM=no
2042if test "${with_gpm}" != "no"; then
2043 AC_CHECK_HEADER(gpm.h,
28aa2c3e 2044 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
79011b82
NR
2045fi
2046
2047if test "${HAVE_GPM}" = "yes"; then
2048 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2049fi
2050
cef11da2 2051dnl Check for malloc/malloc.h on darwin
28aa2c3e 2052AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
cef11da2 2053
de0a3247 2054### Use Mac OS X Carbon API to implement GUI.
e0f712ba 2055if test "${HAVE_CARBON}" = "yes"; then
e3ba1015 2056 AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
fac4a32b 2057 AC_CHECK_HEADERS(AvailabilityMacros.h)
52cd7d02
ST
2058 ## Specify the install directory
2059 carbon_appdir=
2060 if test "${carbon_appdir_x}" != ""; then
2061 case ${carbon_appdir_x} in
2062 y | ye | yes) carbon_appdir=/Applications ;;
2063 * ) carbon_appdir=${carbon_appdir_x} ;;
2064 esac
2065 fi
12bf22e0
AS
2066 # We also have mouse menus.
2067 HAVE_MENUS=yes
e0f712ba 2068fi
edfda783
AR
2069### Use NeXTstep API to implement GUI.
2070if test "${HAVE_NS}" = "yes"; then
2071 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
122e9f8f 2072 if test "${NS_IMPL_COCOA}" = "yes"; then
edfda783
AR
2073 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2074 fi
2075 if test "${EN_COCOA_EXPERIMENTAL_CTRL_G}" = "yes"; then
2076 AC_DEFINE(COCOA_EXPERIMENTAL_CTRL_G, 1, [Define to 1 if you are trying experimental enhanced Ctrl-g support using NS windowing under MacOS X.])
2077 fi
122e9f8f 2078 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
edfda783
AR
2079 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2080 fi
2081 # We also have mouse menus.
2082 HAVE_MENUS=yes
2083fi
2084
e0f712ba 2085
f21fadcc
JD
2086### Use session management (-lSM -lICE) if available
2087HAVE_X_SM=no
2088if test "${HAVE_X11}" = "yes"; then
2089 AC_CHECK_HEADER(X11/SM/SMlib.h,
28aa2c3e 2090 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
f21fadcc
JD
2091
2092 if test "${HAVE_X_SM}" = "yes"; then
5e7d772d 2093 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
f21fadcc
JD
2094 case "$LIBS" in
2095 *-lSM*) ;;
2096 *) LIBS="-lSM -lICE $LIBS" ;;
2097 esac
2098 fi
2099fi
177c0ea7 2100
9ec10b2f 2101# If netdb.h doesn't declare h_errno, we must declare it by hand.
fd0a060b
AS
2102AC_CACHE_CHECK(whether netdb declares h_errno,
2103 emacs_cv_netdb_declares_h_errno,
e9b2a022 2104[AC_TRY_LINK([#include <netdb.h>],
01345308 2105 [return h_errno;],
e9b2a022 2106 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
fd0a060b 2107if test $emacs_cv_netdb_declares_h_errno = yes; then
5e7d772d 2108 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
fd0a060b 2109fi
9ec10b2f 2110
6e0dc84a 2111AC_FUNC_ALLOCA
9ec10b2f 2112
4756ee42
GM
2113dnl src/alloca.c has been removed. Could also check if $ALLOCA is set?
2114dnl FIXME is there an autoconf test that does the right thing, without
2115dnl needing to call A_M_E afterwards?
2116if test x"$ac_cv_func_alloca_works" != xyes; then
2117 AC_MSG_ERROR( [a system implementation of alloca is required] )
2118fi
2119
f6e8adea 2120# fmod, logb, and frexp are found in -lm on most systems.
e468fb38 2121# On HPUX 9.01, -lm does not contain logb, so check for sqrt.
e6fd9047 2122AC_CHECK_LIB(m, sqrt)
e6fd9047 2123
4b121527
DL
2124# Check for mail-locking functions in a "mail" library. Probably this should
2125# have the same check as for liblockfile below.
5ad9ac92
DL
2126AC_CHECK_LIB(mail, maillock)
2127dnl Debian, at least:
5ad9ac92
DL
2128AC_CHECK_LIB(lockfile, maillock)
2129# If we have the shared liblockfile, assume we must use it for mail
2130# locking (e.g. Debian). If we couldn't link against liblockfile
2131# (no liblockfile.a installed), ensure that we don't need to.
2132if test "$ac_cv_lib_lockfile_maillock" = no; then
2133 dnl This works for files generally, not just executables.
2134 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2135 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2136 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2137 if test $ac_cv_prog_liblockfile = yes; then
2138 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2139This probably means that movemail could lose mail.
91b5aa9a 2140There may be a `development' package to install containing liblockfile.])
5ad9ac92 2141 else :
4b121527 2142 fi
5ad9ac92
DL
2143fi
2144AC_CHECK_FUNCS(touchlock)
2145AC_CHECK_HEADERS(maillock.h)
4e4db900 2146
66abe596 2147AC_CHECK_FUNCS(gethostname getdomainname dup2 \
e1d954e4 2148rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
555ffc3f 2149random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
85ea1a28 2150strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
807e2671 2151utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
ec406751 2152__fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
66abe596 2153sendto recvfrom getsockopt setsockopt getsockname getpeername \
72621b4e 2154gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
25241b4d
SM
2155memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2156cfmakeraw cfsetspeed)
38c44a91 2157
66abe596
KS
2158AC_CHECK_HEADERS(sys/un.h)
2159
38c44a91
DL
2160AC_FUNC_MKTIME
2161if test "$ac_cv_func_working_mktime" = no; then
5e7d772d 2162 AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
38c44a91
DL
2163fi
2164
1ca2077a
DL
2165AC_FUNC_GETLOADAVG
2166
64a04a42 2167AC_FUNC_FSEEKO
63c59d1e 2168
9eff9fe3
PE
2169# Configure getopt.
2170m4_include([m4/getopt.m4])
2171gl_GETOPT_IFELSE([
2172 gl_GETOPT_SUBSTITUTE_HEADER
2173 gl_PREREQ_GETOPT
2174 GETOPTOBJS='getopt.o getopt1.o'
2175])
2176AC_SUBST(GETOPTOBJS)
2177
71cc40d5
DL
2178AC_FUNC_GETPGRP
2179
12c0a8da
DL
2180AC_FUNC_STRFTIME
2181
64a04a42 2182# UNIX98 PTYs.
40ccc4c7
GM
2183AC_CHECK_FUNCS(grantpt)
2184
2185# PTY-related GNU extensions.
2186AC_CHECK_FUNCS(getpt)
2187
16831d8c
RS
2188# Check this now, so that we will NOT find the above functions in ncurses.
2189# That is because we have not set up to link ncurses in lib-src.
2190# It's better to believe a function is not available
2191# than to expect to find it in ncurses.
2192AC_CHECK_LIB(ncurses, tparm)
0c565a0a 2193
555ffc3f
CY
2194# Do we have res_init, for detecting changes in /etc/resolv.conf?
2195
2196resolv=no
c0a3f2a2
AS
2197AC_TRY_LINK([#include <netinet/in.h>
2198#include <arpa/nameser.h>
2199#include <resolv.h>],
2200 [return res_init();],
2201 have_res_init=yes, have_res_init=no)
555ffc3f
CY
2202if test "$have_res_init" = no; then
2203 OLIBS="$LIBS"
2204 LIBS="$LIBS -lresolv"
2205 AC_MSG_CHECKING(for res_init with -lresolv)
2206 AC_TRY_LINK([#include <netinet/in.h>
2207#include <arpa/nameser.h>
c0a3f2a2
AS
2208#include <resolv.h>],
2209 [return res_init();],
555ffc3f
CY
2210 have_res_init=yes, have_res_init=no)
2211 AC_MSG_RESULT($have_res_init)
2212 if test "$have_res_init" = yes ; then
2213 resolv=yes
2214 fi
2215 LIBS="$OLIBS"
2216fi
2217
2218if test "$have_res_init" = yes; then
2219 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2220fi
2221
84e70f78 2222# Do we need the Hesiod library to provide the support routines?
316460cf 2223if test "$with_hesiod" != no ; then
84e70f78 2224 # Don't set $LIBS here -- see comments above.
84e70f78
KR
2225 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2226 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2227 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2228 if test "$resolv" = yes ; then
2229 RESOLVLIB=-lresolv
84e70f78
KR
2230 else
2231 RESOLVLIB=
2232 fi
2233 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
28aa2c3e
AS
2234 [AC_DEFINE(HAVE_LIBHESIOD, 1,
2235 [Define to 1 if you have the hesiod library (-lhesiod).])],
5e7d772d 2236 :, $RESOLVLIB)])
84e70f78
KR
2237fi
2238
555ffc3f
CY
2239# Do we need libresolv (due to res_init or Hesiod)?
2240if test "$resolv" = yes ; then
2241 AC_DEFINE(HAVE_LIBRESOLV, 1,
2242 [Define to 1 if you have the resolv library (-lresolv).])
2243fi
2244
a21616bd 2245# These tell us which Kerberos-related libraries to use.
316460cf 2246if test "${with_kerberos}" != no; then
a21616bd
KR
2247 AC_CHECK_LIB(com_err, com_err)
2248 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2249 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2250 AC_CHECK_LIB(krb5, krb5_init_context)
316460cf 2251 if test "${with_kerberos5}" = no; then
a21616bd 2252 AC_CHECK_LIB(des425, des_cbc_encrypt,,
28aa2c3e 2253 [AC_CHECK_LIB(des, des_cbc_encrypt)])
a21616bd 2254 AC_CHECK_LIB(krb4, krb_get_cred,,
28aa2c3e 2255 [AC_CHECK_LIB(krb, krb_get_cred)])
a21616bd
KR
2256 fi
2257
316460cf 2258 if test "${with_kerberos5}" != no; then
a21616bd
KR
2259 AC_CHECK_HEADERS(krb5.h)
2260 else
2261 AC_CHECK_HEADERS(des.h,,
5a129faf
PE
2262 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2263 [AC_CHECK_HEADERS(kerberos/des.h)])])
a21616bd 2264 AC_CHECK_HEADERS(krb.h,,
5a129faf
PE
2265 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2266 [AC_CHECK_HEADERS(kerberos/krb.h)])])
a21616bd
KR
2267 fi
2268 AC_CHECK_HEADERS(com_err.h)
2269fi
2270
c4510052
PE
2271# Solaris requires -lintl if you want strerror (which calls dgettext)
2272# to return localized messages.
2273AC_CHECK_LIB(intl, dgettext)
2274
0c565a0a
RS
2275AC_MSG_CHECKING(whether localtime caches TZ)
2276AC_CACHE_VAL(emacs_cv_localtime_cache,
fcc303f4 2277[if test x$ac_cv_func_tzset = xyes; then
0c565a0a 2278AC_TRY_RUN([#include <time.h>
22cc077c
RS
2279extern char **environ;
2280unset_TZ ()
2281{
2282 char **from, **to;
2283 for (to = from = environ; (*to = *from); from++)
2284 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2285 to++;
2286}
98ab445d
RS
2287char TZ_GMT0[] = "TZ=GMT0";
2288char TZ_PST8[] = "TZ=PST8";
0c565a0a
RS
2289main()
2290{
2291 time_t now = time ((time_t *) 0);
22cc077c 2292 int hour_GMT0, hour_unset;
98ab445d 2293 if (putenv (TZ_GMT0) != 0)
0c565a0a 2294 exit (1);
22cc077c
RS
2295 hour_GMT0 = localtime (&now)->tm_hour;
2296 unset_TZ ();
2297 hour_unset = localtime (&now)->tm_hour;
98ab445d 2298 if (putenv (TZ_PST8) != 0)
0c565a0a 2299 exit (1);
22cc077c
RS
2300 if (localtime (&now)->tm_hour == hour_GMT0)
2301 exit (1);
2302 unset_TZ ();
2303 if (localtime (&now)->tm_hour != hour_unset)
2304 exit (1);
2305 exit (0);
0c565a0a
RS
2306}], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2307[# If we have tzset, assume the worst when cross-compiling.
2308emacs_cv_localtime_cache=yes])
2309else
2310 # If we lack tzset, report that localtime does not cache TZ,
2311 # since we can't invalidate the cache if we don't have tzset.
2312 emacs_cv_localtime_cache=no
2313fi])dnl
2314AC_MSG_RESULT($emacs_cv_localtime_cache)
2315if test $emacs_cv_localtime_cache = yes; then
5e7d772d
AS
2316 AC_DEFINE(LOCALTIME_CACHE, 1,
2317 [Define to 1 if localtime caches TZ.])
0c565a0a 2318fi
9ec10b2f 2319
3d68df05 2320if test "x$HAVE_TIMEVAL" = xyes; then
8a2c2328 2321 AC_CHECK_FUNCS(gettimeofday)
5e7d772d
AS
2322 if test $ac_cv_func_gettimeofday = yes; then
2323 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2324 emacs_cv_gettimeofday_two_arguments,
2325 [AC_TRY_COMPILE([
5ab52d42
RS
2326#ifdef TIME_WITH_SYS_TIME
2327#include <sys/time.h>
2328#include <time.h>
2329#else
2330#ifdef HAVE_SYS_TIME_H
2331#include <sys/time.h>
2332#else
2333#include <time.h>
2334#endif
290c1191 2335#endif],
5e7d772d
AS
2336 [struct timeval time;
2337 gettimeofday (&time, 0);],
2338 emacs_cv_gettimeofday_two_arguments=yes,
2339 emacs_cv_gettimeofday_two_arguments=no)])
2340 if test $emacs_cv_gettimeofday_two_arguments = no; then
2341 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2342 [Define to 1 if gettimeofday accepts only one argument.])
2343 fi
fd0a060b 2344 fi
5ab52d42
RS
2345fi
2346
9ec10b2f 2347ok_so_far=yes
6e0dc84a 2348AC_CHECK_FUNC(socket, , ok_so_far=no)
9ec10b2f 2349if test $ok_so_far = yes; then
6e0dc84a 2350 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
9ec10b2f
DM
2351fi
2352if test $ok_so_far = yes; then
6e0dc84a 2353 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
9ec10b2f
DM
2354fi
2355if test $ok_so_far = yes; then
91b5aa9a 2356dnl Fixme: Not used. Should this be HAVE_SOCKETS?
5e7d772d
AS
2357 AC_DEFINE(HAVE_INET_SOCKETS, 1,
2358 [Define to 1 if you have inet sockets.])
9ec10b2f
DM
2359fi
2360
ce6e4c21 2361AC_CHECK_HEADERS(sys/ioctl.h)
2ba3faa3 2362
7bbbba31 2363if test -f /usr/lpp/X11/bin/smt.exp; then
5e7d772d
AS
2364 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2365 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
7bbbba31
DM
2366fi
2367
27b07953
GM
2368AC_MSG_CHECKING(whether system supports dynamic ptys)
2369if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2370 AC_MSG_RESULT(yes)
5e7d772d 2371 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
27b07953
GM
2372else
2373 AC_MSG_RESULT(no)
2374fi
2375
5a129faf 2376AC_FUNC_FORK
79e12078 2377
fb33ec52
DL
2378dnl Adapted from Haible's version.
2379AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2380 [AC_TRY_LINK([#include <langinfo.h>],
2381 [char* cs = nl_langinfo(CODESET);],
2382 emacs_cv_langinfo_codeset=yes,
2383 emacs_cv_langinfo_codeset=no)
2384 ])
2385if test $emacs_cv_langinfo_codeset = yes; then
2386 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2387 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2388fi
2389
f3acf5be 2390AC_CHECK_TYPES(size_t)
8170f46b 2391
12c0a8da
DL
2392AC_TYPE_MBSTATE_T
2393
91b5aa9a
DL
2394dnl Restrict could probably be used effectively other than in regex.c.
2395AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2396 [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2397 emacs_cv_c_restrict=yes,
2398 [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2399 emacs_cv_c_restrict=__restrict,
2400 emacs_cv_c_restrict=no)])])
2401case "$emacs_cv_c_restrict" in
2402 yes) emacs_restrict=restrict;;
2403 no) emacs_restrict="";;
2404 *) emacs_restrict="$emacs_cv_c_restrict";;
2405esac
2406if test "$emacs_restrict" != __restrict; then
2407 AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2408 [Define to compiler's equivalent of C99 restrict keyword.
2409 Don't define if equivalent is `__restrict'.])
2410fi
2411
2412AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2413 [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2414 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2415if test "$emacs_cv_c_restrict_arr" = yes; then
2416 AC_DEFINE(__restrict_arr, __restrict,
2417 [Define to compiler's equivalent of C99 restrict keyword in array
2418 declarations. Define as empty for no equivalent.])
2419fi
2420
2421dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2422dnl how the tty code is related to POSIX and/or other versions of termios.
4b121527
DL
2423dnl The following looks like a useful start.
2424dnl
2425dnl AC_SYS_POSIX_TERMIOS
2426dnl if test $ac_cv_sys_posix_termios = yes; then
f6214bb7 2427dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4b121527
DL
2428dnl and macros for terminal control.])
2429dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2430dnl fi
91b5aa9a
DL
2431
2432dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
2433
9ec10b2f
DM
2434# Set up the CFLAGS for real compilation, so we can substitute it.
2435CFLAGS="$REAL_CFLAGS"
5a9bf171 2436CPPFLAGS="$REAL_CPPFLAGS"
9ec10b2f 2437
9ec10b2f 2438#### Find out which version of Emacs this is.
91b5aa9a
DL
2439[version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
2440 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
9ec10b2f 2441if test x"${version}" = x; then
91b5aa9a 2442 AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
9ec10b2f
DM
2443fi
2444
9ec10b2f
DM
2445### Specify what sort of things we'll be editing into Makefile and config.h.
2446### Use configuration here uncanonicalized to avoid exceeding size limits.
2447AC_SUBST(version)
2448AC_SUBST(configuration)
3cd69289 2449AC_SUBST(canonical)
9ec10b2f
DM
2450AC_SUBST(srcdir)
2451AC_SUBST(prefix)
2452AC_SUBST(exec_prefix)
2453AC_SUBST(bindir)
2454AC_SUBST(datadir)
3cd69289
DM
2455AC_SUBST(sharedstatedir)
2456AC_SUBST(libexecdir)
9ec10b2f
DM
2457AC_SUBST(mandir)
2458AC_SUBST(infodir)
2459AC_SUBST(lispdir)
2460AC_SUBST(locallisppath)
2461AC_SUBST(lisppath)
66d736a9 2462AC_SUBST(x_default_search_path)
9ec10b2f 2463AC_SUBST(etcdir)
9ec10b2f
DM
2464AC_SUBST(archlibdir)
2465AC_SUBST(docdir)
3cd69289 2466AC_SUBST(bitmapdir)
93c05c18
CW
2467AC_SUBST(gamedir)
2468AC_SUBST(gameuser)
9ec10b2f
DM
2469AC_SUBST(c_switch_system)
2470AC_SUBST(c_switch_machine)
2471AC_SUBST(LD_SWITCH_X_SITE)
2472AC_SUBST(LD_SWITCH_X_SITE_AUX)
2473AC_SUBST(C_SWITCH_X_SITE)
2474AC_SUBST(CFLAGS)
2475AC_SUBST(X_TOOLKIT_TYPE)
2476AC_SUBST(machfile)
2477AC_SUBST(opsysfile)
1ca2077a 2478AC_SUBST(GETLOADAVG_LIBS)
52cd7d02 2479AC_SUBST(carbon_appdir)
edfda783 2480AC_SUBST(ns_appdir)
06b62770
AR
2481AC_SUBST(ns_appbindir)
2482AC_SUBST(ns_appresdir)
2483AC_SUBST(ns_appsrc)
facfbbbd 2484AC_SUBST(GNUSTEP_MAKEFILES)
9ec10b2f 2485
5e7d772d
AS
2486AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
2487 [Define to the canonical Emacs configuration name.])
2488AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2489 [Define to the options passed to configure.])
2490AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
2491 [Define to the used machine dependent file.])
2492AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2493 [Define to the used os dependent file.])
2494AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2495[Define LD_SWITCH_X_SITE to contain any special flags your loader
2496 may need to deal with X Windows. For instance, if you've defined
2497 HAVE_X_WINDOWS above and your X libraries aren't in a place that
2498 your loader can find on its own, you might want to add "-L/..." or
2499 something similar.])
2500AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2501 [Define LD_SWITCH_X_SITE_AUX with an -R option
2502 in case it's needed (for Solaris, for example).])
2503AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE},
2504[Define C_SWITCH_X_SITE to contain any special flags your compiler
2505 may need to deal with X Windows. For instance, if you've defined
2506 HAVE_X_WINDOWS above and your X include files aren't in a place
2507 that your compiler can find on its own, you might want to add
2508 "-I/..." or something similar.])
2509AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC},
2510 [Define to the unexec source file name.])
9ec10b2f
DM
2511
2512if test "${HAVE_X_WINDOWS}" = "yes" ; then
5e7d772d
AS
2513 AC_DEFINE(HAVE_X_WINDOWS, 1,
2514 [Define to 1 if you want to use the X window system.])
9ec10b2f
DM
2515fi
2516if test "${USE_X_TOOLKIT}" != "none" ; then
5e7d772d 2517 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
d893468a 2518 if test "${USE_X_TOOLKIT}" = "LUCID"; then
73d798d5 2519 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
d893468a 2520 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
73d798d5
SM
2521 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
2522 fi
9ec10b2f
DM
2523fi
2524if test "${HAVE_X11}" = "yes" ; then
5e7d772d
AS
2525 AC_DEFINE(HAVE_X11, 1,
2526 [Define to 1 if you want to use version 11 of X windows.
2527 Otherwise, Emacs expects to use version 10.])
9ec10b2f 2528fi
08741ba9 2529if test "${HAVE_MENUS}" = "yes" ; then
5e7d772d
AS
2530 AC_DEFINE(HAVE_MENUS, 1,
2531 [Define to 1 if you have mouse menus.
2532 (This is automatic if you use X, but the option to specify it remains.)
2533 It is also defined with other window systems that support xmenu.c.])
9ec10b2f
DM
2534fi
2535if test "${GNU_MALLOC}" = "yes" ; then
5e7d772d
AS
2536 AC_DEFINE(GNU_MALLOC, 1,
2537 [Define to 1 if you want to use the GNU memory allocator.])
9ec10b2f
DM
2538fi
2539if test "${REL_ALLOC}" = "yes" ; then
5e7d772d
AS
2540 AC_DEFINE(REL_ALLOC, 1,
2541 [Define REL_ALLOC if you want to use the relocating allocator for
2542 buffer space.])
9ec10b2f 2543fi
9ec10b2f 2544
bfa6fb7e 2545
f3acf5be 2546AH_TOP([/* GNU Emacs site configuration template file.
57ebf0be
GM
2547 Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
2548 2006, 2007, 2008 Free Software Foundation, Inc.
5e7d772d
AS
2549
2550This file is part of GNU Emacs.
2551
41f8d6db 2552GNU Emacs is free software: you can redistribute it and/or modify
5e7d772d 2553it under the terms of the GNU General Public License as published by
41f8d6db
GM
2554the Free Software Foundation, either version 3 of the License, or
2555(at your option) any later version.
5e7d772d
AS
2556
2557GNU Emacs is distributed in the hope that it will be useful,
2558but WITHOUT ANY WARRANTY; without even the implied warranty of
2559MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2560GNU General Public License for more details.
2561
2562You should have received a copy of the GNU General Public License
41f8d6db 2563along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5e7d772d
AS
2564
2565
91b5aa9a 2566/* No code in Emacs #includes config.h twice, but some bits of code
177c0ea7 2567 intended to work with other packages as well (like gmalloc.c)
5e7d772d
AS
2568 think they can include it as many times as they like. */
2569#ifndef EMACS_CONFIG_H
2570#define EMACS_CONFIG_H
2571])dnl
2572
2573AH_BOTTOM([
edfda783
AR
2574/* If we're using X11/Carbon/GNUstep, define some consequences. */
2575#if defined HAVE_X_WINDOWS || defined(HAVE_CARBON) || defined(HAVE_NS)
5e7d772d
AS
2576#define HAVE_WINDOW_SYSTEM
2577#define MULTI_KBOARD
2578#define HAVE_MOUSE
2579#endif
2580
89ce934d 2581/* Multi-tty support relies on MULTI_KBOARD. It seems safe to turn it
9c28b587 2582 on unconditionally. */
89ce934d
GM
2583#ifndef MULTI_KBOARD
2584#define MULTI_KBOARD
2585#endif
2586
edfda783
AR
2587/* Sadly for now, GNUstep dump does not work. */
2588#ifdef NS_IMPL_GNUSTEP
2589#define CANNOT_DUMP
e3ba1015
AC
2590#endif
2591
77ccee09 2592/* TODO: These are used for the Carbon port only. */
edfda783
AR
2593#undef MAC_OS
2594#undef MAC_OSX
2595
5e7d772d
AS
2596/* Define AMPERSAND_FULL_NAME if you use the convention
2597 that & in the full name stands for the login id. */
2598/* Turned on June 1996 supposing nobody will mind it. */
2599#define AMPERSAND_FULL_NAME
2600
1c3a8acf
DL
2601/* We have blockinput.h. */
2602#define DO_BLOCK_INPUT
2603
5e7d772d
AS
2604/* Define HAVE_SOUND if we have sound support. We know it works
2605 and compiles only on the specified platforms. For others,
2606 it probably doesn't make sense to try. */
2607
2608#if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
2609#ifdef HAVE_MACHINE_SOUNDCARD_H
2610#define HAVE_SOUND 1
2611#endif
2612#ifdef HAVE_SYS_SOUNDCARD_H
2613#define HAVE_SOUND 1
2614#endif
2615#ifdef HAVE_SOUNDCARD_H
2616#define HAVE_SOUND 1
2617#endif
2eec8691
JD
2618#ifdef HAVE_ALSA
2619#define HAVE_SOUND 1
2620#endif
5e7d772d
AS
2621#endif /* __FreeBSD__ || __NetBSD__ || __linux__ */
2622
2623/* If using GNU, then support inline function declarations. */
2624/* Don't try to switch on inline handling as detected by AC_C_INLINE
2625 generally, because even if non-gcc compilers accept `inline', they
2626 may reject `extern inline'. */
be5472bd 2627#if defined (__GNUC__) && defined (OPTIMIZE)
5e7d772d
AS
2628#define INLINE __inline__
2629#else
2630#define INLINE
2631#endif
2632
2633/* Include the os and machine dependent files. */
2634#include config_opsysfile
2635#include config_machfile
2636
edfda783
AR
2637/* Set up some defines, C and LD flags for NeXTstep interface on GNUstep.
2638 (There is probably a better place to do this, but right now the Cocoa
2639 side does this in s/darwin.h, following the Carbon port, and we cannot
2640 parallel this exactly since GNUstep is multi-OS. */
2641#ifdef HAVE_NS
2642# ifdef C_SWITCH_SYSTEM
2643# undef C_SWITCH_SYSTEM
2644# endif
2645# ifdef NS_IMPL_GNUSTEP
2646/* See also .m.o rule in Makefile.in */
2647# define C_SWITCH_X_SYSTEM -MMD -MP -D_REENTRANT -fPIC -fno-strict-aliasing
edfda783
AR
2648# define GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE
2649# define OTHER_FILES ns-app
122e9f8f 2650# else /* NS_IMPL_COCOA */
edfda783
AR
2651# define C_SWITCH_X_SYSTEM
2652# define GNU_OBJC_CFLAGS
122e9f8f 2653# endif /* NS_IMPL_COCOA */
edfda783
AR
2654#endif /* HAVE_NS */
2655
5e7d772d
AS
2656/* Define `subprocesses' should be defined if you want to
2657 have code for asynchronous subprocesses
2658 (as used in M-x compile and M-x shell).
77ccee09 2659 Only MSDOS does not support this. */
5e7d772d 2660
77ccee09 2661#define subprocesses
5e7d772d
AS
2662
2663/* SIGTYPE is the macro we actually use. */
2664#ifndef SIGTYPE
2665#define SIGTYPE RETSIGTYPE
2666#endif
2667
2668#ifdef emacs /* Don't do this for lib-src. */
2669/* Tell regex.c to use a type compatible with Emacs. */
2670#define RE_TRANSLATE_TYPE Lisp_Object
2671#define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
be5472bd
SM
2672#ifdef make_number
2673/* If make_number is a macro, use it. */
2674#define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
2675#else
2676/* If make_number is a function, avoid it. */
2677#define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
2678#endif
5e7d772d
AS
2679#endif
2680
2681/* Avoid link-time collision with system mktime if we will use our own. */
2682#if ! HAVE_MKTIME || BROKEN_MKTIME
2683#define mktime emacs_mktime
2684#endif
2685
1c3a8acf
DL
2686#define my_strftime nstrftime /* for strftime.c */
2687
5e7d772d
AS
2688/* The rest of the code currently tests the CPP symbol BSTRING.
2689 Override any claims made by the system-description files.
2690 Note that on some SCO version it is possible to have bcopy and not bcmp. */
2691#undef BSTRING
2692#if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
2693#define BSTRING
2694#endif
2695
2696/* Some of the files of Emacs which are intended for use with other
2697 programs assume that if you have a config.h file, you must declare
2698 the type of getenv.
2699
2700 This declaration shouldn't appear when alloca.s or Makefile.in
2701 includes config.h. */
2702#ifndef NOT_C_CODE
2703extern char *getenv ();
2704#endif
2705
5e7d772d
AS
2706/* These default definitions are good for almost all machines.
2707 The exceptions override them in m/MACHINE.h. */
2708
2709#ifndef BITS_PER_CHAR
2710#define BITS_PER_CHAR 8
2711#endif
2712
2713#ifndef BITS_PER_SHORT
2714#define BITS_PER_SHORT 16
2715#endif
2716
2717/* Note that lisp.h uses this in a preprocessor conditional, so it
2718 would not work to use sizeof. That being so, we do all of them
2719 without sizeof, for uniformity's sake. */
2720#ifndef BITS_PER_INT
2721#define BITS_PER_INT 32
2722#endif
2723
2724#ifndef BITS_PER_LONG
2725#ifdef _LP64
2726#define BITS_PER_LONG 64
2727#else
2728#define BITS_PER_LONG 32
2729#endif
2730#endif
2731
2732/* Define if the compiler supports function prototypes. It may do so
2733 but not define __STDC__ (e.g. DEC C by default) or may define it as
2734 zero. */
2735#undef PROTOTYPES
2736/* For mktime.c: */
2737#ifndef __P
2738# if defined PROTOTYPES
2739# define __P(args) args
2740# else
2741# define __P(args) ()
2742# endif /* GCC. */
2743#endif /* __P */
2744
5e7d772d
AS
2745/* Don't include "string.h" or <stdlib.h> in non-C code. */
2746#ifndef NOT_C_CODE
2747#ifdef HAVE_STRING_H
2748#include "string.h"
2749#endif
f3acf5be
DL
2750#ifdef HAVE_STRINGS_H
2751#include "strings.h" /* May be needed for bcopy & al. */
2752#endif
5e7d772d
AS
2753#ifdef HAVE_STDLIB_H
2754#include <stdlib.h>
2755#endif
91b5aa9a
DL
2756#ifndef __GNUC__
2757# ifdef HAVE_ALLOCA_H
2758# include <alloca.h>
2759# else /* AIX files deal with #pragma. */
2760# ifndef alloca /* predefined by HP cc +Olibcalls */
2761char *alloca ();
2762# endif
2763# endif /* HAVE_ALLOCA_H */
2764#endif /* __GNUC__ */
17b3d9f6 2765#ifndef HAVE_SIZE_T
f968418d 2766typedef unsigned size_t;
17b3d9f6 2767#endif
91b5aa9a 2768#endif /* NOT_C_CODE */
5e7d772d
AS
2769
2770/* Define HAVE_X_I18N if we have usable i18n support. */
2771
2772#ifdef HAVE_X11R6
2773#define HAVE_X_I18N
e818a450 2774#elif !defined X11R5_INHIBIT_I18N
5e7d772d
AS
2775#define HAVE_X_I18N
2776#endif
2777
2778/* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support. */
2779
2780#if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
2781#define HAVE_X11R6_XIM
2782#endif
2783
2784/* Should we enable expensive run-time checking of data types? */
2785#undef ENABLE_CHECKING
2786
2787#if defined __GNUC__ && (__GNUC__ > 2 \
2788 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
2789#define NO_RETURN __attribute__ ((__noreturn__))
2790#else
2791#define NO_RETURN /* nothing */
2792#endif
f3acf5be 2793
91b5aa9a
DL
2794/* These won't be used automatically yet. We also need to know, at least,
2795 that the stack is continuous. */
2796#ifdef __GNUC__
2797# ifndef GC_SETJMP_WORKS
2798 /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
177c0ea7 2799 see NON_SAVING_SETJMP in the target descriptions. */
f3041af1 2800 /* Exceptions (see NON_SAVING_SETJMP in target description) are
91b5aa9a 2801 SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
f3041af1 2802 Fixme: Deal with SVR3. */
91b5aa9a
DL
2803# define GC_SETJMP_WORKS 1
2804# endif
2805# ifndef GC_LISP_OBJECT_ALIGNMENT
2806# define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
2807# endif
2808#endif
2809
efd60266
JB
2810#ifndef HAVE_BCOPY
2811#define bcopy(a,b,s) memcpy (b,a,s)
2812#endif
2813#ifndef HAVE_BZERO
2814#define bzero(a,s) memset (a,0,s)
2815#endif
2816#ifndef HAVE_BCMP
2817#define BCMP memcmp
2818#endif
91b5aa9a
DL
2819
2820#endif /* EMACS_CONFIG_H */
2821
177c0ea7 2822/*
91b5aa9a 2823Local Variables:
f3acf5be
DL
2824mode: c
2825End:
2826*/
5e7d772d 2827])dnl
f0f2756d 2828
9ec10b2f 2829#### Report on what we decided to do.
488dd4c4
JD
2830#### Report GTK as a toolkit, even if it doesn't use Xt.
2831#### It makes printing result more understandable as using GTK sets
2832#### toolkit_scroll_bars to yes by default.
2833if test "${HAVE_GTK}" = "yes"; then
2834 USE_X_TOOLKIT=GTK
2835fi
2836
9ec10b2f 2837echo "
9ec10b2f
DM
2838Configured for \`${canonical}'.
2839
2840 Where should the build process find the source code? ${srcdir}
2841 What operating system and machine description files should Emacs use?
2842 \`${opsysfile}' and \`${machfile}'
2843 What compiler should emacs be built with? ${CC} ${CFLAGS}
2844 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
b1b4ce06 2845 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
e32fac2a 2846 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
9ec10b2f 2847 What window system should Emacs use? ${window_system}
dc16594b 2848 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
509fccc3
RS
2849
2850if test -n "${x_includes}"; then
2851echo " Where do we find X Windows header files? ${x_includes}"
2852else
2853echo " Where do we find X Windows header files? Standard dirs"
2854fi
2855if test -n "${x_libraries}"; then
2856echo " Where do we find X Windows libraries? ${x_libraries}"
2857else
2858echo " Where do we find X Windows libraries? Standard dirs"
2859fi
9ec10b2f 2860
b412189c
GM
2861echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
2862echo " Does Emacs use -lXpm? ${HAVE_XPM}"
2863echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
495ccc04 2864echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
47d1e061 2865echo " Does Emacs use a gif library? ${HAVE_GIF} $ac_gif_lib_name"
b412189c 2866echo " Does Emacs use -lpng? ${HAVE_PNG}"
96f574f0 2867echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
79011b82 2868echo " Does Emacs use -lgpm? ${HAVE_GPM}"
bf9a7ece 2869echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
d41e8664 2870
26d41f17
GM
2871echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
2872echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
2873echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
2874echo " Does Emacs use -lxft? ${HAVE_XFT}"
2875
20c1822e 2876echo " Does Emacs use X toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
509fccc3 2877echo
9ec10b2f 2878
d0098f13
JD
2879if test $USE_XASSERTS = yes; then
2880 echo " Compiling with asserts turned on."
d0098f13 2881 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
d0098f13 2882fi
05cf15c6 2883
ca34d75a
JD
2884echo
2885
adfd1e39
JD
2886if test "$USE_X_TOOLKIT" = GTK; then
2887 case "$canonical" in
2888 *cygwin*)
2889 echo "There are known problems with Emacs and Gtk+ on cygwin, so you
2890 will probably get a crash on startup. If this happens, please use another
2891 toolkit for Emacs. See etc/PROBLEMS for more information."
2892 ;;
2893 esac
2894fi
2895
05cf15c6 2896
f0e04acc
GM
2897if test "$HAVE_CARBON" = "yes"; then
2898 echo
2899 echo "Warning: The Mac Carbon port is currently unsupported and has
2900known problems. It is not recommended for use by non-developers.
06b62770 2901The NeXTstep port (--with-ns) is an alternative.
f0e04acc
GM
2902Read the emacs-devel archives for more information."
2903 echo
131e4133
MA
2904fi
2905
06b62770
AR
2906if test "$HAVE_NS" = "yes"; then
2907 echo
2908 echo "You must run \"make install\" in order to test the built application.
2909The installed application will go to nextstep/Emacs.app and can be
2910run or moved from there."
2911 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
2912 echo "The application will be fully self-contained."
2913 else
2914 echo "The lisp resources for the application will be installed under ${prefix}.
2915You may need to run \"make install\" with sudo. The application will fail
2916to run if these resources are not installed."
2917 fi
2918 echo
2919fi
2920
131e4133
MA
2921if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then
2922 echo "D-Bus integration has been tested for GNU/Linux only."
2923 echo
2924fi
f0e04acc 2925
05cf15c6 2926
9ec10b2f 2927# Remove any trailing slashes in these variables.
91b5aa9a 2928[test "${prefix}" != NONE &&
9ec10b2f
DM
2929 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2930test "${exec_prefix}" != NONE &&
91b5aa9a 2931 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
9ec10b2f 2932
3d4c9dbd
GM
2933# Now get this: Some word that is part of the ${srcdir} directory name
2934# or the ${configuration} value might, just might, happen to be an
2935# identifier like `sun4' or `i386' or something, and be predefined by
2936# the C preprocessor to some helpful value like 1, or maybe the empty
2937# string. Needless to say consequent macro substitutions are less
2938# than conducive to the makefile finding the correct directory.
2939[cpp_undefs="`echo $srcdir $configuration $canonical |
2940 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
2941 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g'`"]
2942
3aa40e0e
GM
2943## Check if the C preprocessor will convert `..' to `. .'. If so, set
2944## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
2945## from Makefile.c can correctly provide the arg `-traditional' to the
2946## C preprocessor.
2947
2948AC_EGREP_CPP(yes..yes,
2949 [yes..yes],
2950 CPP_NEED_TRADITIONAL=no,
2951 CPP_NEED_TRADITIONAL=yes)
2952
5f8c8f00 2953AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
62b1c28f
GM
2954 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
2955 doc/lispref/Makefile src/Makefile.c:src/Makefile.in \
2956 lwlib/Makefile lisp/Makefile leim/Makefile, [
7bbbba31 2957
b63df577 2958### Make the necessary directories, if they don't exist.
e0a3686b 2959for dir in etc lisp ; do
b3947967 2960 test -d ${dir} || mkdir ${dir}
9ec10b2f
DM
2961done
2962
5f8c8f00
RS
2963# Build src/Makefile from ${srcdir}/src/Makefile.c
2964# and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2965# This must be done after src/config.h is built, since we rely on that file.
9ec10b2f 2966
6a4bb05d 2967echo creating src/epaths.h
f8f7ab54 2968${MAKE-make} epaths-force
ab85d355 2969
c776f30b
GM
2970# As of 2000-11-19, newest development versions of GNU cpp preprocess
2971# `..' to `. .' unless invoked with -traditional
2972
3aa40e0e 2973if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
c776f30b
GM
2974 CPPFLAGS="$CPPFLAGS -traditional"
2975fi
2976
9ec10b2f
DM
2977echo creating lib-src/Makefile
2978( cd lib-src
2979 rm -f junk.c junk1.c junk2.c
2980 sed -e '/start of cpp stuff/q' \
5f8c8f00 2981 < Makefile.c > junk1.c
9ec10b2f 2982 sed -e '1,/start of cpp stuff/d'\
3b74127d 2983 -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
5f8c8f00 2984 < Makefile.c > junk.c
3d4c9dbd 2985 $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
9ec10b2f
DM
2986 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
2987 cat junk1.c junk2.c > Makefile.new
2988 rm -f junk.c junk1.c junk2.c
2989 chmod 444 Makefile.new
2990 mv -f Makefile.new Makefile
2991)
2992
2993echo creating src/Makefile
2994( cd src
2995 rm -f junk.c junk1.c junk2.c
2996 sed -e '/start of cpp stuff/q' \
5f8c8f00 2997 < Makefile.c > junk1.c
9ec10b2f 2998 sed -e '1,/start of cpp stuff/d'\
3b74127d 2999 -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
5f8c8f00 3000 < Makefile.c > junk.c
3d4c9dbd 3001 $CPP $cpp_undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
9ec10b2f
DM
3002 sed -e 's/^ / /' -e '/^#/d' -e '/^[ \f]*$/d' > junk2.c
3003 cat junk1.c junk2.c > Makefile.new
3004 rm -f junk.c junk1.c junk2.c
3005 chmod 444 Makefile.new
3006 mv -f Makefile.new Makefile
3007)
8b66759a 3008
e9b2a022 3009if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
8b66759a 3010 echo creating src/.gdbinit
e9b2a022 3011 echo source $srcdir/src/.gdbinit > src/.gdbinit
8b66759a
DM
3012fi
3013
3d4c9dbd 3014], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS" cpp_undefs="$cpp_undefs"])
464c7d2d 3015
ab5796a9
MB
3016m4_if(dnl Do not change this comment
3017 arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3018)dnl