src/emacs.c now gets version number from configure.in
[bpt/emacs.git] / configure.in
CommitLineData
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1dnl Autoconf script for GNU Emacs
2dnl To rebuild the `configure' script from this, execute the command
3dnl autoconf
4dnl in the directory containing this script.
5dnl If you changed any AC_DEFINES, also run autoheader.
6dnl
73b0cd50 7dnl Copyright (C) 1994-1996, 1999-2011 Free Software Foundation, Inc.
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8dnl
9dnl This file is part of GNU Emacs.
10dnl
11dnl GNU Emacs is free software: you can redistribute it and/or modify
12dnl it under the terms of the GNU General Public License as published by
13dnl the Free Software Foundation, either version 3 of the License, or
14dnl (at your option) any later version.
15dnl
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.
20dnl
21dnl You should have received a copy of the GNU General Public License
22dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
23
24AC_PREREQ(2.65)
25AC_INIT(emacs, 24.0.50)
26AC_CONFIG_HEADER(src/config.h:src/config.in)
27AC_CONFIG_SRCDIR(src/lisp.h)
9a514d4a 28AM_INIT_AUTOMAKE
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29
30dnl Support for --program-prefix, --program-suffix and
31dnl --program-transform-name options
32AC_ARG_PROGRAM
33
34dnl It is important that variables on the RHS not be expanded here,
35dnl hence the single quotes. This is per the GNU coding standards, see
36dnl (autoconf) Installation Directory Variables
37dnl See also epaths.h below.
38lispdir='${datadir}/emacs/${version}/lisp'
39locallisppath='${datadir}/emacs/${version}/site-lisp:'\
40'${datadir}/emacs/site-lisp'
41lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
42etcdir='${datadir}/emacs/${version}/etc'
43archlibdir='${libexecdir}/emacs/${version}/${configuration}'
44docdir='${datadir}/emacs/${version}/etc'
45gamedir='${localstatedir}/games/emacs'
46
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47dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
48dnl Create a new --with option that defaults to being disabled.
49dnl NAME is the base name of the option. The shell variable with_NAME
50dnl will be set to either the user's value (if the option is
51dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
52dnl option is not specified). Note that the shell variable name is
53dnl constructed as autoconf does, by replacing non-alphanumeric
54dnl characters with "_".
55dnl HELP-STRING is the help text for the option.
56AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
57 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
58 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
59])dnl
60
61dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
62dnl Create a new --with option that defaults to being enabled. NAME
63dnl is the base name of the option. The shell variable with_NAME
64dnl will be set either to 'no' (for a plain --without-NAME) or to
65dnl 'yes' (if the option is not specified). Note that the shell
66dnl variable name is constructed as autoconf does, by replacing
67dnl non-alphanumeric characters with "_".
68dnl HELP-STRING is the help text for the option.
69AC_DEFUN([OPTION_DEFAULT_ON], [dnl
70 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
71 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
72])dnl
73
74OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
75if test "$with_pop" = yes; then
76 AC_DEFINE(MAIL_USE_POP)
77fi
78AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
79
80OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
81if test "$with_kerberos" != no; then
82 AC_DEFINE(KERBEROS)
83fi
84AH_TEMPLATE(KERBEROS,
85 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
86
87OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
88if test "${with_kerberos5}" != no; then
89 if test "${with_kerberos}" = no; then
90 with_kerberos=yes
91 AC_DEFINE(KERBEROS)
92 fi
93 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
94fi
95
96OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
97dnl FIXME hesiod support may not be present, so it seems like an error
98dnl to define, or at least use, this unconditionally.
99if test "$with_hesiod" != no; then
100 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
101fi
102
103OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
104if test "$with_mmdf" != no; then
105 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
106fi
107
108OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
109if test "$with_mail_unlink" != no; then
110 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
111fi
112
113AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
114 [string giving default POP mail host])],
115 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
116
117OPTION_DEFAULT_ON([sound],[don't compile with sound support])
118
119OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
120if test "$with_sync_input" = yes; then
121 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
122fi
123
124dnl FIXME currently it is not the last.
125dnl This should be the last --with option, because --with-x is
126dnl added later on when we find the path of X, and it's best to
127dnl keep them together visually.
128AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
129 [use an X toolkit (KIT one of: yes or gtk, gtk3, lucid or athena, motif, no)])],
130[ case "${withval}" in
131 y | ye | yes ) val=gtk ;;
132 n | no ) val=no ;;
133 l | lu | luc | luci | lucid ) val=lucid ;;
134 a | at | ath | athe | athen | athena ) val=athena ;;
135 m | mo | mot | moti | motif ) val=motif ;;
136 g | gt | gtk ) val=gtk ;;
137 gtk3 ) val=gtk3 ;;
138 * )
139AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
140this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
141`gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
142 ;;
143 esac
144 with_x_toolkit=$val
145])
146
147dnl _ON results in a '--without' option in the --help output, so
148dnl the help text should refer to "don't compile", etc.
149OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
150OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
151OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
152OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
153OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
154OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
155OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
156OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
157
158OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
159OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
160OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
161
162OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
163OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
164OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
165OPTION_DEFAULT_OFF([ns],[use nextstep (Cocoa or GNUstep) windowing system])
166
167OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
168OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
169OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
170OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
171OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
172
173## For the times when you want to build Emacs but don't have
174## a suitable makeinfo, and can live without the manuals.
175dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
176OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
177
178## This is an option because I do not know if all info/man support
179## compressed files, nor how to test if they do so.
180OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
181if test $with_compress_info = yes; then
182 GZIP_INFO=yes
183else
184 GZIP_INFO=
185fi
186AC_SUBST(GZIP_INFO)
187
188AC_ARG_WITH([pkg-config-prog],dnl
189[AS_HELP_STRING([--with-pkg-config-prog=PATH],
190 [path to pkg-config for finding GTK and librsvg])])
191if test "X${with_pkg_config_prog}" != X; then
192 if test "${with_pkg_config_prog}" != yes; then
193 PKG_CONFIG="${with_pkg_config_prog}"
194 fi
195fi
196
197CRT_DIR=
198AC_ARG_WITH([crt-dir],dnl
199[AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
200The default is /usr/lib, or /usr/lib64 on some platforms.])])
201CRT_DIR="${with_crt_dir}"
202
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203AC_ARG_WITH(gameuser,dnl
204[AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
205test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
206 && gameuser="${with_gameuser}"
207test "X$gameuser" = X && gameuser=games
208
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209AC_ARG_WITH([gnustep-conf],dnl
210[AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
211test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
212 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
213test "X$GNUSTEP_CONFIG_FILE" = "X" && \
214 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
215
216AC_ARG_ENABLE(ns-self-contained,
217[AS_HELP_STRING([--disable-ns-self-contained],
218 [disable self contained build under NeXTstep])],
219 EN_NS_SELF_CONTAINED=$enableval,
220 EN_NS_SELF_CONTAINED=yes)
221
222AC_ARG_ENABLE(asserts,
223[AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
224 USE_XASSERTS=$enableval,
225 USE_XASSERTS=no)
226
227AC_ARG_ENABLE(maintainer-mode,
228[AS_HELP_STRING([--enable-maintainer-mode],
229 [enable make rules and dependencies not useful (and sometimes
230 confusing) to the casual installer])],
231 USE_MAINTAINER_MODE=$enableval,
232 USE_MAINTAINER_MODE=no)
233if test $USE_MAINTAINER_MODE = yes; then
234 MAINT=
235else
236 MAINT=#
237fi
238AC_SUBST(MAINT)
239
240AC_ARG_ENABLE(locallisppath,
241[AS_HELP_STRING([--enable-locallisppath=PATH],
242 [directories Emacs should search for lisp files specific
243 to this site])],
244if test "${enableval}" = "no"; then
245 locallisppath=
246elif test "${enableval}" != "yes"; then
247 locallisppath=${enableval}
248fi)
249
250AC_ARG_ENABLE(checking,
251[AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
252 [enable expensive run-time checks. With LIST,
253 enable only specific categories of checks.
254 Categories are: all,yes,no.
255 Flags are: stringbytes, stringoverrun, stringfreelist,
256 xmallocoverrun, conslist])],
257[ac_checking_flags="${enableval}"],[])
258IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
259for check in $ac_checking_flags
260do
261 case $check in
262 # these set all the flags to specific states
263 yes) ac_enable_checking=1 ;;
264 no) ac_enable_checking= ;
265 ac_gc_check_stringbytes= ;
266 ac_gc_check_string_overrun= ;
267 ac_gc_check_string_free_list= ;
268 ac_xmalloc_overrun= ;
269 ac_gc_check_cons_list= ;;
270 all) ac_enable_checking=1 ;
271 ac_gc_check_stringbytes=1 ;
272 ac_gc_check_string_overrun=1 ;
273 ac_gc_check_string_free_list=1 ;
274 ac_xmalloc_overrun=1 ;
275 ac_gc_check_cons_list=1 ;;
276 # these enable particular checks
277 stringbytes) ac_gc_check_stringbytes=1 ;;
278 stringoverrun) ac_gc_check_string_overrun=1 ;;
279 stringfreelist) ac_gc_check_string_free_list=1 ;;
280 xmallocoverrun) ac_xmalloc_overrun=1 ;;
281 conslist) ac_gc_check_cons_list=1 ;;
282 *) AC_MSG_ERROR(unknown check category $check) ;;
283 esac
284done
285IFS="$ac_save_IFS"
286
287if test x$ac_enable_checking != x ; then
288 AC_DEFINE(ENABLE_CHECKING, 1,
289[Enable expensive run-time checking of data types?])
290fi
291if test x$ac_gc_check_stringbytes != x ; then
292 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
293[Define this temporarily to hunt a bug. If defined, the size of
294 strings is redundantly recorded in sdata structures so that it can
295 be compared to the sizes recorded in Lisp strings.])
296fi
297if test x$ac_gc_check_stringoverrun != x ; then
298 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
299[Define this to check for short string overrun.])
300fi
301if test x$ac_gc_check_string_free_list != x ; then
302 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
303[Define this to check the string free list.])
304fi
305if test x$ac_xmalloc_overrun != x ; then
306 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
307[Define this to check for malloc buffer overrun.])
308fi
309if test x$ac_gc_check_cons_list != x ; then
310 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
311[Define this to check for errors in cons list.])
312fi
313
314AC_ARG_ENABLE(use-lisp-union-type,
315[AS_HELP_STRING([--enable-use-lisp-union-type],
316 [use a union for the Lisp_Object data type.
317 This is only useful for development for catching certain types of bugs.])],
318if test "${enableval}" != "no"; then
319 AC_DEFINE(USE_LISP_UNION_TYPE, 1,
320 [Define this to use a lisp union for the Lisp_Object data type.])
321fi)
322
323
324AC_ARG_ENABLE(profiling,
325[AS_HELP_STRING([--enable-profiling],
326 [build emacs with profiling support.
327 This might not work on all platforms])],
328[ac_enable_profiling="${enableval}"],[])
329if test x$ac_enable_profiling != x ; then
330 PROFILING_CFLAGS="-DPROFILING=1 -pg"
331else
332 PROFILING_CFLAGS=
333fi
334AC_SUBST(PROFILING_CFLAGS)
335
336AC_ARG_ENABLE(autodepend,
337[AS_HELP_STRING([--enable-autodepend],
338 [automatically generate dependencies to .h-files.
339 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
340 found])],
341[ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
342
343#### Make srcdir absolute, if it isn't already. It's important to
344#### avoid running the path through pwd unnecessarily, since pwd can
345#### give you automounter prefixes, which can go away. We do all this
346#### so Emacs can find its files when run uninstalled.
347## Make sure CDPATH doesn't affect cd (in case PWD is relative).
348unset CDPATH
349case "${srcdir}" in
350 /* ) ;;
351 . )
352 ## We may be able to use the $PWD environment variable to make this
353 ## absolute. But sometimes PWD is inaccurate.
354 ## Note: we used to use ${PWD} at the end instead of `pwd`,
355 ## but that tested only for a well-formed and valid PWD,
356 ## it did not object when PWD was well-formed and valid but just wrong.
357 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
358 then
359 srcdir="$PWD"
360 else
361 srcdir="`(cd ${srcdir}; pwd)`"
362 fi
363 ;;
364 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
365esac
366
367#### Check if the source directory already has a configured system in it.
368if test `pwd` != `(cd ${srcdir} && pwd)` \
369 && test -f "${srcdir}/src/config.h" ; then
370 AC_MSG_WARN([[The directory tree `${srcdir}' is being used
371 as a build directory right now; it has been configured in its own
372 right. To configure in another directory as well, you MUST
373 use GNU make. If you do not have GNU make, then you must
374 now do `make distclean' in ${srcdir},
375 and then run $0 again.]])
376fi
377
378#### Given the configuration name, set machfile and opsysfile to the
379#### names of the m/*.h and s/*.h files we should use.
380
381### Canonicalize the configuration name.
382
383AC_CANONICAL_HOST
384canonical=$host
385configuration=${host_alias-${build_alias-$host}}
386
387dnl This used to use changequote, but, apart from `changequote is evil'
388dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
389dnl the great gob of text. Thus it's not processed for possible expansion.
390dnl Just make sure the brackets remain balanced.
391dnl
392dnl Since Emacs can't find matching pairs of quotes, boundaries are
393dnl indicated by comments.
394dnl quotation begins
395[
396
397### If you add support for a new configuration, add code to this
398### switch statement to recognize your configuration name and select
399### the appropriate operating system and machine description files.
400
401### You would hope that you could choose an m/*.h file pretty much
402### based on the machine portion of the configuration name, and an s/*.h
403### file based on the operating system portion. However, it turns out
404### that each m/*.h file is pretty manufacturer-specific - for
405### example mips.h is MIPS
406### So we basically have to have a special case for each
407### configuration name.
408###
409### As far as handling version numbers on operating systems is
410### concerned, make sure things will fail in a fixable way. If
411### /etc/MACHINES doesn't say anything about version numbers, be
412### prepared to handle anything reasonably. If version numbers
413### matter, be sure /etc/MACHINES says something about it.
414
415machine='' opsys='' unported=no
416case "${canonical}" in
417
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418 ## GNU/Linux ports
419 *-*-linux-gnu*)
420 opsys=gnu-linux
421 case ${canonical} in
422 alpha*) machine=alpha ;;
423 s390-*) machine=ibms390 ;;
424 s390x-*) machine=ibms390x ;;
425 powerpc*) machine=macppc ;;
426 sparc*) machine=sparc ;;
427 ia64*) machine=ia64 ;;
428 m68k*) machine=m68k ;;
429 x86_64*) machine=amdx86-64 ;;
430 esac
431 ;;
432
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433 ## FreeBSD ports
434 *-*-freebsd* )
435 opsys=freebsd
436 case "${canonical}" in
437 alpha*) machine=alpha ;;
438 amd64-*|x86_64-*) machine=amdx86-64 ;;
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439 ia64-*) machine=ia64 ;;
440 i[3456]86-*) machine=intel386 ;;
441 powerpc-*) machine=macppc ;;
442 sparc-*) machine=sparc ;;
443 sparc64-*) machine=sparc ;;
444 esac
445 ;;
446
447 ## FreeBSD kernel + glibc based userland
448 *-*-kfreebsd*gnu* )
449 opsys=gnu-kfreebsd
450 case "${canonical}" in
451 alpha*) machine=alpha ;;
452 amd64-*|x86_64-*) machine=amdx86-64 ;;
453 ia64-*) machine=ia64 ;;
454 i[3456]86-*) machine=intel386 ;;
455 powerpc-*) machine=macppc ;;
456 sparc-*) machine=sparc ;;
457 sparc64-*) machine=sparc ;;
458 esac
459 ;;
460
461 ## NetBSD ports
462 *-*-netbsd* )
463 opsys=netbsd
464 case "${canonical}" in
465 alpha*) machine=alpha ;;
466 x86_64-*) machine=amdx86-64 ;;
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467 i[3456]86-*) machine=intel386 ;;
468 m68k-*) machine=m68k ;;
469 powerpc-*) machine=macppc ;;
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470 sparc*-) machine=sparc ;;
471 vax-*) machine=vax ;;
472 esac
473 ;;
474
475 ## OpenBSD ports
476 *-*-openbsd* )
477 opsys=openbsd
478 case "${canonical}" in
479 alpha*) machine=alpha ;;
480 x86_64-*) machine=amdx86-64 ;;
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481 i386-*) machine=intel386 ;;
482 powerpc-*) machine=macppc ;;
483 sparc*) machine=sparc ;;
484 vax-*) machine=vax ;;
485 esac
486 ;;
487
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488 ## Apple Darwin / Mac OS X
489 *-apple-darwin* )
490 case "${canonical}" in
491 i[3456]86-* ) machine=intel386 ;;
492 powerpc-* ) machine=macppc ;;
493 x86_64-* ) machine=amdx86-64 ;;
494 * ) unported=yes ;;
495 esac
496 opsys=darwin
497 # Define CPP as follows to make autoconf work correctly.
498 CPP="${CC-cc} -E -no-cpp-precomp"
499 # Use fink packages if available.
500 if test -d /sw/include && test -d /sw/lib; then
501 GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
502 CPP="${CPP} ${GCC_TEST_OPTIONS}"
503 NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
504 fi
505 ;;
506
507 ## HP 9000 series 700 and 800, running HP/UX
508 hppa*-hp-hpux10.2* )
d6a003a8 509 opsys=hpux10-20
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510 ;;
511 hppa*-hp-hpux1[1-9]* )
d6a003a8 512 opsys=hpux11
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513 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
514 ;;
515
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516 ia64*-hp-hpux1[1-9]* )
517 machine=hp800 opsys=hpux11
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518 ## FIXME. Peter O'Gorman reports that dumping using unexelf.o doesn't
519 ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
16c3e636 520 CANNOT_DUMP=yes
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521 ;;
522
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523 hppa*-*-linux-gnu* )
524 machine=hp800 opsys=gnu-linux
525 ;;
526
067d23c9 527 ## IBM machines
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528 rs6000-ibm-aix4.[23]* )
529 machine=ibmrs6000 opsys=aix4-2
530 ;;
531 powerpc-ibm-aix4.[23]* )
532 machine=ibmrs6000 opsys=aix4-2
533 ;;
534 rs6000-ibm-aix[56]* )
535 machine=ibmrs6000 opsys=aix4-2
536 ;;
537 powerpc-ibm-aix[56]* )
538 machine=ibmrs6000 opsys=aix4-2
539 ;;
540
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541 ## Silicon Graphics machines
542 ## Iris 4D
543 mips-sgi-irix6.5 )
544 machine=iris4d opsys=irix6-5
545 # Without defining _LANGUAGE_C, things get masked out in the headers
546 # so that, for instance, grepping for `free' in stdlib.h fails and
547 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
548 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
549 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
550 ;;
551
552 ## Suns
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553 *-sun-solaris* \
554 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
555 | x86_64-*-solaris2* | x86_64-*-sunos5*)
556 case "${canonical}" in
557 i[3456]86-*-* ) machine=intel386 ;;
558 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
559 sparc* ) machine=sparc ;;
560 * ) unported=yes ;;
561 esac
562 case "${canonical}" in
563 *-sunos5.6* | *-solaris2.6* )
564 opsys=sol2-6
565 NON_GNU_CPP=/usr/ccs/lib/cpp
566 RANLIB="ar -ts"
567 ;;
568 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
569 opsys=sol2-6
570 emacs_check_sunpro_c=yes
571 NON_GNU_CPP=/usr/ccs/lib/cpp
572 ;;
573 *-sunos5* | *-solaris* )
574 opsys=sol2-10
575 emacs_check_sunpro_c=yes
576 NON_GNU_CPP=/usr/ccs/lib/cpp
577 ;;
578 esac
579 ## Watch out for a compiler that we know will not work.
580 case "${canonical}" in
581 *-solaris* | *-sunos5* )
582 if [ "x$CC" = x/usr/ucb/cc ]; then
583 ## /usr/ucb/cc doesn't work;
584 ## we should find some other compiler that does work.
585 unset CC
586 fi
587 ;;
588 *) ;;
589 esac
590 ;;
591
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592 ## Intel 386 machines where we don't care about the manufacturer.
593 i[3456]86-*-* )
594 machine=intel386
595 case "${canonical}" in
596 *-cygwin ) opsys=cygwin ;;
597 *-darwin* ) opsys=darwin
598 CPP="${CC-cc} -E -no-cpp-precomp"
599 ;;
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600 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
601 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
602 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
603 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
604 esac
605 ;;
606
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607 * )
608 unported=yes
609 ;;
610esac
611
612### If the code above didn't choose an operating system, just choose
613### an operating system based on the configuration name. You really
614### only want to use this when you have no idea what the right
615### operating system is; if you know what operating systems a machine
616### runs, it's cleaner to make it explicit in the case statement
617### above.
618if test x"${opsys}" = x; then
619 case "${canonical}" in
620 *-gnu* ) opsys=gnu ;;
621 * )
622 unported=yes
623 ;;
624 esac
625fi
626
627]
628dnl quotation ends
629
630if test $unported = yes; then
631 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
632Check `etc/MACHINES' for recognized configuration names.])
633fi
634
d6a003a8
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635if test -n "$machine"; then
636 machfile="m/${machine}.h"
637else
638 machfile=
639fi
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640opsysfile="s/${opsys}.h"
641
642
643#### Choose a compiler.
644test -n "$CC" && cc_specified=yes
645
646# Save the value of CFLAGS that the user specified.
647SPECIFIED_CFLAGS="$CFLAGS"
648
649dnl Sets GCC=yes if using gcc.
650AC_PROG_CC
9a514d4a
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651AM_PROG_CC_C_O
652
653# Initialize gnulib right after verifying that the C compiler works.
654gl_EARLY
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655
656# On Suns, sometimes $CPP names a directory.
657if test -n "$CPP" && test -d "$CPP"; then
658 CPP=
659fi
660
661## If not using gcc, and on Solaris, and no CPP specified, see if
662## using a Sun compiler, which needs -Xs to prevent whitespace.
663if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
664 test x"$CPP" = x; then
665 AC_MSG_CHECKING([whether we are using a Sun C compiler])
666 AC_CACHE_VAL(emacs_cv_sunpro_c,
667 [AC_TRY_LINK([],
668[#ifndef __SUNPRO_C
669fail;
670#endif
671], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
672 AC_MSG_RESULT($emacs_cv_sunpro_c)
673
674 if test x"$emacs_cv_sunpro_c" = xyes; then
675 NON_GNU_CPP="$CC -E -Xs"
676 fi
677fi
678
679#### Some systems specify a CPP to use unless we are using GCC.
680#### Now that we know whether we are using GCC, we can decide whether
681#### to use that one.
682if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
683then
684 CPP="$NON_GNU_CPP"
685fi
686
687#### Some systems specify a CC to use unless we are using GCC.
688#### Now that we know whether we are using GCC, we can decide whether
689#### to use that one.
690if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
691 test x$cc_specified != xyes
692then
693 CC="$NON_GNU_CC"
694fi
695
696if test x$GCC = xyes; then
697 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
698else
699 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
700fi
701
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702### Use -Wno-pointer-sign if the compiler supports it
703AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
704SAVE_CFLAGS="$CFLAGS"
705CFLAGS="$CFLAGS -Wno-pointer-sign"
706AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
707if test $has_option = yes; then
708 C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
709fi
710AC_MSG_RESULT($has_option)
711CFLAGS="$SAVE_CFLAGS"
712unset has_option
713unset SAVE_CFLAGS
714
715### Use -Wdeclaration-after-statement if the compiler supports it
716AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
717SAVE_CFLAGS="$CFLAGS"
718CFLAGS="$CFLAGS -Wdeclaration-after-statement"
719AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
720if test $has_option = yes; then
721 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
722fi
723AC_MSG_RESULT($has_option)
724CFLAGS="$SAVE_CFLAGS"
725unset has_option
726unset SAVE_CFLAGS
727
728### Use -Wold-style-definition if the compiler supports it
729# This can be removed when conversion to standard C is finished.
730AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
731SAVE_CFLAGS="$CFLAGS"
732CFLAGS="$CFLAGS -Wold-style-definition"
733AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
734if test $has_option = yes; then
735 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
736fi
737AC_MSG_RESULT($has_option)
738CFLAGS="$SAVE_CFLAGS"
739unset has_option
740unset SAVE_CFLAGS
741
742### Use -Wimplicit-function-declaration if the compiler supports it
743AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
744SAVE_CFLAGS="$CFLAGS"
745CFLAGS="$CFLAGS -Wimplicit-function-declaration"
746AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
747if test $has_option = yes; then
748 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
749fi
750AC_MSG_RESULT($has_option)
751CFLAGS="$SAVE_CFLAGS"
752unset has_option
753unset SAVE_CFLAGS
754
755AC_SUBST(C_WARNINGS_SWITCH)
756
757
758#### Some other nice autoconf tests.
759
760dnl checks for programs
761AC_PROG_CPP
762AC_PROG_INSTALL
763if test "x$RANLIB" = x; then
764 AC_PROG_RANLIB
765fi
766
767## Although we're running on an amd64 kernel, we're actually compiling for
768## the x86 architecture. The user should probably have provided an
769## explicit --build to `configure', but if everything else than the kernel
770## is running in i386 mode, we can help them out.
771if test "$machine" = "amdx86-64"; then
772 AC_CHECK_DECL([i386])
773 if test "$ac_cv_have_decl_i386" = "yes"; then
774 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
775 machine=intel386
776 machfile="m/${machine}.h"
777 fi
778fi
779
780AC_PATH_PROG(INSTALL_INFO, install-info)
781AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
782AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
783dnl Don't use GZIP, which is used by gzip for additional parameters.
784AC_PATH_PROG(GZIP_PROG, gzip)
785
786
787## Need makeinfo >= 4.6 (?) to build the manuals.
788AC_PATH_PROG(MAKEINFO, makeinfo, no)
789dnl By this stage, configure has already checked for egrep and set EGREP,
790dnl or exited with an error if no egrep was found.
791if test "$MAKEINFO" != "no" && \
792 test x"`$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
793 MAKEINFO=no
794fi
795
796## Makeinfo is unusual. For a released Emacs, the manuals are
797## pre-built, and not deleted by the normal clean rules. makeinfo is
798## therefore in the category of "special tools" not normally required, which
799## configure does not have to check for (eg autoconf itself).
800## In a Bazaar checkout on the other hand, the manuals are not included.
801## So makeinfo is a requirement to build from Bazaar, and configure
802## should test for it as it does for any other build requirement.
803## We use the presence of $srcdir/info/emacs to distinguish a release,
804## with pre-built manuals, from a Bazaar checkout.
e5365138
GM
805HAVE_MAKEINFO=yes
806
067d23c9 807if test "$MAKEINFO" = "no"; then
e5365138 808 MAKEINFO=makeinfo
067d23c9 809 if test "x${with_makeinfo}" = "xno"; then
e5365138 810 HAVE_MAKEINFO=no
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811 elif test ! -e $srcdir/info/emacs; then
812 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
813source tree does not seem to have pre-built manuals in the `info' directory.
814Either install a suitable version of makeinfo, or re-run configure
815with the `--without-makeinfo' option to build without the manuals.] )
816 fi
817fi
e5365138 818AC_SUBST(HAVE_MAKEINFO)
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819
820dnl Add our options to ac_link now, after it is set up.
821
822if test x$GCC = xyes; then
823 test "x$GCC_LINK_TEST_OPTIONS" != x && \
824 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
825else
826 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
827 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
828fi
829
830dnl We need -znocombreloc if we're using a relatively recent GNU ld.
831dnl If we can link with the flag, it shouldn't do any harm anyhow.
832dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
833dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
834dnl if not built to support GNU ld.
835
836late_LDFLAGS=$LDFLAGS
837if test x$GCC = xyes; then
838 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
839else
840 LDFLAGS="$LDFLAGS -znocombreloc"
841fi
842
843AC_MSG_CHECKING([for -znocombreloc])
844AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
845 [AC_MSG_RESULT(yes)],
846 LDFLAGS=$late_LDFLAGS
847 [AC_MSG_RESULT(no)])
848
849
850# The value of CPP is a quoted variable reference, so we need to do this
851# to get its actual value...
852CPP=`eval "echo $CPP"`
853
854
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855dnl The function dump-emacs will not be defined and temacs will do
856dnl (load "loadup") automatically unless told otherwise.
4004ef46 857test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
067d23c9 858case "$opsys" in
4004ef46 859 your-opsys-here) CANNOT_DUMP=yes ;;
067d23c9 860esac
4004ef46
GM
861
862test "$CANNOT_DUMP" = "yes" && \
863 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
864
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865AC_SUBST(CANNOT_DUMP)
866
867
868UNEXEC_OBJ=unexelf.o
869case "$opsys" in
870 # MSDOS uses unexcoff.o
871 # MSWindows uses unexw32.o
872 aix4-2)
873 UNEXEC_OBJ=unexaix.o
874 ;;
875 cygwin)
876 UNEXEC_OBJ=unexcw.o
877 ;;
878 darwin)
879 UNEXEC_OBJ=unexmacosx.o
880 ;;
881 hpux10-20 | hpux11)
882 UNEXEC_OBJ=unexhp9k800.o
883 ;;
884 sol2-10)
885 # Use the Solaris dldump() function, called from unexsol.c, to dump
886 # emacs, instead of the generic ELF dump code found in unexelf.c.
887 # The resulting binary has a complete symbol table, and is better
888 # for debugging and other observability tools (debuggers, pstack, etc).
b06b1098 889 #
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890 # If you encounter a problem using dldump(), please consider sending
891 # a message to the OpenSolaris tools-linking mailing list:
892 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
b06b1098 893 #
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894 # It is likely that dldump() works with older Solaris too, but this has
895 # not been tested, so for now this change is for Solaris 10 or newer.
896 UNEXEC_OBJ=unexsol.o
897 ;;
898esac
899
900LD_SWITCH_SYSTEM=
901case "$opsys" in
902 freebsd)
903 ## Let `ld' find image libs and similar things in /usr/local/lib.
904 ## The system compiler, GCC, has apparently been modified to not
905 ## look there, contrary to what a stock GCC would do.
906 LD_SWITCH_SYSTEM=-L/usr/local/lib
907 ;;
908
909 gnu-linux)
910 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
d6a003a8 911 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
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912 ;;
913
914 netbsd)
915 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
916 ;;
917
918 openbsd)
919 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
920 ## otherwise Emacs dumps core on elf systems.
921 LD_SWITCH_SYSTEM="-Z"
922 ;;
923esac
924AC_SUBST(LD_SWITCH_SYSTEM)
925
926ac_link="$ac_link $LD_SWITCH_SYSTEM"
927
928## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
929## which has not been defined yet. When this was handled with cpp,
930## it was expanded to null when configure sourced the s/*.h file.
931## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
932## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
933## (or somesuch), but because it is supposed to go at the _front_
934## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
935## Compare with the gnu-linux case below, which added to the end
936## of LD_SWITCH_SYSTEM, and so can instead go at the front of
937## LD_SWITCH_SYSTEM_TEMACS.
938case "$opsys" in
939 netbsd|openbsd)
940 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
941 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
942esac
943
944
945C_SWITCH_MACHINE=
946if test "$machine" = "alpha"; then
947 AC_CHECK_DECL([__ELF__])
948 if test "$ac_cv_have_decl___ELF__" = "yes"; then
949 ## With ELF, make sure that all common symbols get allocated to in the
950 ## data section. Otherwise, the dump of temacs may miss variables in
951 ## the shared library that have been initialized. For example, with
952 ## GNU libc, __malloc_initialized would normally be resolved to the
953 ## shared library's .bss section, which is fatal.
954 if test "x$GCC" = "xyes"; then
955 C_SWITCH_MACHINE="-fno-common"
956 else
957 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
958 fi
959 else
b06b1098 960 UNEXEC_OBJ=unexalpha.o
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961 fi
962fi
963AC_SUBST(C_SWITCH_MACHINE)
964
965AC_SUBST(UNEXEC_OBJ)
966
967C_SWITCH_SYSTEM=
968## Some programs in src produce warnings saying certain subprograms
969## are too complex and need a MAXMEM value greater than 2000 for
970## additional optimization. --nils@exp-math.uni-essen.de
971test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
972 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
973## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
974## It is redundant in glibc2, since we define _GNU_SOURCE.
975AC_SUBST(C_SWITCH_SYSTEM)
976
977
978LIBS_SYSTEM=
979case "$opsys" in
980 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
981 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
982
983 freebsd) LIBS_SYSTEM="-lutil" ;;
984
985 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
986
987 sol2*) LIBS_SYSTEM="-lsocket -lnsl -lkstat" ;;
988
989 ## Motif needs -lgen.
990 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
991esac
992AC_SUBST(LIBS_SYSTEM)
993
994
995### Make sure subsequent tests use flags consistent with the build flags.
996
997if test x"${OVERRIDE_CPPFLAGS}" != x; then
998 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
999else
1000 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1001fi
1002
1003dnl For AC_FUNC_GETLOADAVG, at least:
1004AC_CONFIG_LIBOBJ_DIR(src)
1005
1006dnl Do this early because it can frob feature test macros for Unix-98 &c.
1007AC_SYS_LARGEFILE
1008
1009
1010## If user specified a crt-dir, use that unconditionally.
1011if test "X$CRT_DIR" = "X"; then
1012
1013 case "$canonical" in
1014 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1015 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1016 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1017 ## For anything else (eg /usr/lib32), it is up the user to specify
1018 ## the location (bug#5655).
1019 ## Test for crtn.o, not just the directory, because sometimes the
1020 ## directory exists but does not have the relevant files (bug#1287).
1021 ## FIXME better to test for binary compatibility somehow.
1022 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1023 ;;
1024
1025 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1026 esac
1027
1028 case "$opsys" in
1029 hpux10-20) CRT_DIR=/lib ;;
1030 esac
1031
1032 ## Default is /usr/lib.
1033 test "X$CRT_DIR" = "X" && CRT_DIR=/usr/lib
1034
1035else
1036
1037 ## Some platforms don't use any of these files, so it is not
1038 ## appropriate to put this test outside the if block.
1039 test -e $CRT_DIR/crtn.o || test -e $CRT_DIR/crt0.o || \
1040 AC_MSG_ERROR([crt*.o not found in specified location.])
1041
1042fi
1043
1044AC_SUBST(CRT_DIR)
1045
1046LIB_MATH=-lm
1047LIB_STANDARD=
1048START_FILES=
1049
1050case $opsys in
1051 cygwin )
1052 LIB_MATH=
1053 START_FILES='pre-crt0.o'
1054 ;;
1055 darwin )
1056 ## Adding -lm confuses the dynamic linker, so omit it.
1057 LIB_MATH=
1058 START_FILES='pre-crt0.o'
1059 ;;
1060 freebsd )
1061 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1062 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1063 ;;
1064 gnu-linux | gnu-kfreebsd )
1065 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1066 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1067 ;;
1068 hpux10-20 | hpux11 )
1069 LIB_STANDARD=-lc
1070 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1071 ;;
1072 netbsd | openbsd )
1073 if test -f $CRT_DIR/crti.o; then
1074 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1075 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1076 else
1077 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1078 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1079 fi
1080 ;;
1081esac
1082
1083AC_SUBST(LIB_MATH)
1084AC_SUBST(START_FILES)
1085
1086dnl This function definition taken from Gnome 2.0
1087dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1088dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1089dnl also defines GSTUFF_PKG_ERRORS on error
1090AC_DEFUN([PKG_CHECK_MODULES], [
1091 succeeded=no
1092
1093 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1094
1095 if test "$PKG_CONFIG" = "no" ; then
1096 ifelse([$4], , [AC_MSG_ERROR([
1097 *** 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])
1098 else
1099 PKG_CONFIG_MIN_VERSION=0.9.0
1100 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1101 AC_MSG_CHECKING(for $2)
1102
1103 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1104 AC_MSG_RESULT(yes)
1105 succeeded=yes
1106
1107 AC_MSG_CHECKING($1_CFLAGS)
1108 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1109 AC_MSG_RESULT($$1_CFLAGS)
1110
1111 AC_MSG_CHECKING($1_LIBS)
1112 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1113 AC_MSG_RESULT($$1_LIBS)
1114 else
1115 AC_MSG_RESULT(no)
1116 $1_CFLAGS=""
1117 $1_LIBS=""
1118 ## If we have a custom action on failure, don't print errors, but
1119 ## do set a variable so people can do so.
1120 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1121 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1122 fi
1123
1124 AC_SUBST($1_CFLAGS)
1125 AC_SUBST($1_LIBS)
1126 else
1127 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1128 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1129 fi
1130 fi
1131
1132 if test $succeeded = yes; then
1133 ifelse([$3], , :, [$3])
1134 else
1135 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.])], [$4])
1136 fi
1137])
1138
1139
1140if test "${with_sound}" != "no"; then
1141 # Sound support for GNU/Linux and the free BSDs.
b06b1098 1142 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
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1143 have_sound_header=yes)
1144 # Emulation library used on NetBSD.
1145 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1146 AC_SUBST(LIBSOUND)
1147
1148 ALSA_REQUIRED=1.0.0
1149 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1150 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1151 if test $HAVE_ALSA = yes; then
1152 SAVE_CFLAGS="$CFLAGS"
1153 SAVE_LDFLAGS="$LDFLAGS"
1154 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1155 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1156 AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1157 emacs_alsa_normal=yes,
1158 emacs_alsa_normal=no)
1159 if test "$emacs_alsa_normal" != yes; then
1160 AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1161 [snd_lib_error_set_handler (0);],
1162 emacs_alsa_subdir=yes,
1163 emacs_alsa_subdir=no)
1164 if test "$emacs_alsa_subdir" != yes; then
1165 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1166 fi
1167 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1168 fi
1169
1170 CFLAGS="$SAVE_CFLAGS"
1171 LDFLAGS="$SAVE_LDFLAGS"
1172 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1173 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1174 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1175 fi
1176
1177 dnl Define HAVE_SOUND if we have sound support. We know it works and
1178 dnl compiles only on the specified platforms. For others, it
1179 dnl probably doesn't make sense to try.
1180 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1181 case "$opsys" in
1182 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1183 gnu-linux|freebsd|netbsd)
1184 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1185 ;;
1186 esac
1187 fi
1188
1189 AC_SUBST(CFLAGS_SOUND)
1190fi
1191
1192dnl checks for header files
1193AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1194 linux/version.h sys/systeminfo.h limits.h \
1195 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1196 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1197 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1198
1199AC_MSG_CHECKING(if personality LINUX32 can be set)
1200AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1201 emacs_cv_personality_linux32=yes,
1202 emacs_cv_personality_linux32=no)
1203AC_MSG_RESULT($emacs_cv_personality_linux32)
1204
1205if test $emacs_cv_personality_linux32 = yes; then
1206 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1207 [Define to 1 if personality LINUX32 can be set.])
1208fi
1209
1210dnl On Solaris 8 there's a compilation warning for term.h because
1211dnl it doesn't define `bool'.
1212AC_CHECK_HEADERS(term.h, , , -)
1213AC_HEADER_STDC
1214AC_HEADER_TIME
1215AC_CHECK_DECLS([sys_siglist])
1216if test $ac_cv_have_decl_sys_siglist != yes; then
1217 # For Tru64, at least:
1218 AC_CHECK_DECLS([__sys_siglist])
1219 if test $ac_cv_have_decl___sys_siglist = yes; then
1220 AC_DEFINE(sys_siglist, __sys_siglist,
1221 [Define to any substitute for sys_siglist.])
1222 fi
1223fi
1224AC_HEADER_SYS_WAIT
1225
1226dnl Some systems have utime.h but don't declare the struct anyplace.
1227AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1228AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1229#include <sys/time.h>
1230#include <time.h>
1231#else
1232#ifdef HAVE_SYS_TIME_H
1233#include <sys/time.h>
1234#else
1235#include <time.h>
1236#endif
1237#endif
1238#ifdef HAVE_UTIME_H
1239#include <utime.h>
1240#endif], [static struct utimbuf x; x.actime = x.modtime;],
1241 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1242if test $emacs_cv_struct_utimbuf = yes; then
1243 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1244fi
1245
1246dnl checks for typedefs
1247AC_TYPE_SIGNAL
1248
1249dnl Check for speed_t typedef.
1250AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1251 [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1252 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1253if test $emacs_cv_speed_t = yes; then
1254 AC_DEFINE(HAVE_SPEED_T, 1,
1255 [Define to 1 if `speed_t' is declared by <termios.h>.])
1256fi
1257
1258AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1259AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1260#include <sys/time.h>
1261#include <time.h>
1262#else
1263#ifdef HAVE_SYS_TIME_H
1264#include <sys/time.h>
1265#else
1266#include <time.h>
1267#endif
1268#endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1269 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1270HAVE_TIMEVAL=$emacs_cv_struct_timeval
1271if test $emacs_cv_struct_timeval = yes; then
1272 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1273fi
1274
1275AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1276AC_TRY_COMPILE([#include <math.h>],
1277[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1278 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1279HAVE_EXCEPTION=$emacs_cv_struct_exception
1280if test $emacs_cv_struct_exception != yes; then
1281 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1282fi
1283
1284AC_CHECK_HEADERS(sys/socket.h)
1285AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1286#if HAVE_SYS_SOCKET_H
1287#include <sys/socket.h>
1288#endif])
1289
1290dnl checks for structure members
1291AC_STRUCT_TM
1292AC_STRUCT_TIMEZONE
1293AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1294 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1295 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1296 [#include <time.h>])
1297AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1298 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1299 struct ifreq.ifr_addr], , ,
1300 [AC_INCLUDES_DEFAULT
1301#if HAVE_SYS_SOCKET_H
1302#include <sys/socket.h>
1303#endif
1304#if HAVE_NET_IF_H
1305#include <net/if.h>
1306#endif])
1307
1308dnl checks for compiler characteristics
1309
1310dnl Testing __STDC__ to determine prototype support isn't good enough.
1311dnl DEC C, for instance, doesn't define it with default options, and
1312dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1313dnl and void *.
1314AC_C_PROTOTYPES
1315AC_C_VOLATILE
1316AC_C_CONST
1317dnl This isn't useful because we can't turn on use of `inline' unless
1318dnl the compiler groks `extern inline'.
1319dnl AC_C_INLINE
1320AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1321 [AC_TRY_COMPILE(, [void * foo;],
1322 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1323if test $emacs_cv_void_star = yes; then
1324 AC_DEFINE(POINTER_TYPE, void)
1325else
1326 AC_DEFINE(POINTER_TYPE, char)
1327fi
1328AH_TEMPLATE(POINTER_TYPE,
1329 [Define as `void' if your compiler accepts `void *'; otherwise
1330 define as `char'.])dnl
1331
1332dnl Check for endianess
1333AC_C_BIGENDIAN
1334
7cae64b4
PE
1335AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1336 [emacs_cv_attribute_aligned],
1337 [AC_COMPILE_IFELSE(
1338 [AC_LANG_PROGRAM(
1339 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1340 [[]])],
1341 [emacs_cv_attribute_aligned=yes],
1342 [emacs_cv_attribute_aligned=no])])
1343if test $emacs_cv_attribute_aligned = yes; then
1344 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1345 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1346fi
1347
067d23c9
KY
1348dnl check for Make feature
1349AC_PROG_MAKE_SET
1350
1351DEPFLAGS=
1352MKDEPDIR=":"
1353deps_frag=deps.mk
1354dnl check for GNU Make if we have GCC and autodepend is on.
1355if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1356 AC_MSG_CHECKING([whether we are using GNU Make])
1357 HAVE_GNU_MAKE=no
1358 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1359 if test "x$testval" != x; then
1360 HAVE_GNU_MAKE=yes
1361 else
1362 ac_enable_autodepend=no
1363 fi
1364 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1365 if test $HAVE_GNU_MAKE = yes; then
1366 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1367 SAVE_CFLAGS="$CFLAGS"
1368 CFLAGS="$CFLAGS -MMD -MF deps.d"
1369 AC_TRY_COMPILE([], [], , ac_enable_autodepend=no)
1370 CFLAGS="$SAVE_CFLAGS"
1371 test -f deps.d || ac_enable_autodepend=no
1372 rm -rf deps.d
1373 AC_MSG_RESULT([$ac_enable_autodepend])
1374 fi
1375 if test $ac_enable_autodepend = yes; then
1376 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1377 ## In parallel builds, another make might create depdir between
1378 ## the first test and mkdir, so stick another test on the end.
1379 ## Or use mkinstalldirs? mkdir -p is not portable.
1380 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1381 deps_frag=autodeps.mk
1382 fi
1383fi
1384deps_frag=$srcdir/src/$deps_frag
1385AC_SUBST(MKDEPDIR)
1386AC_SUBST(DEPFLAGS)
1387AC_SUBST_FILE(deps_frag)
1388
1389
1390dnl checks for operating system services
1391AC_SYS_LONG_FILE_NAMES
1392
1393#### Choose a window system.
1394
1395AC_PATH_X
1396if test "$no_x" = yes; then
1397 window_system=none
1398else
1399 window_system=x11
1400fi
1401
1402## Workaround for bug in autoconf <= 2.62.
1403## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1404## No need to do anything special for these standard directories.
1405if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1406
1407 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1408
1409fi
1410
1411LD_SWITCH_X_SITE_AUX=
1412LD_SWITCH_X_SITE_AUX_RPATH=
1413if test "${x_libraries}" != NONE; then
1414 if test -n "${x_libraries}"; then
1415 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1416 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1417 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1418 fi
1419 x_default_search_path=""
1420 x_search_path=${x_libraries}
1421 if test -z "${x_search_path}"; then
1422 x_search_path=/usr/lib
1423 fi
1424 for x_library in `echo ${x_search_path}: | \
1425 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1426 x_search_path="\
1427${x_library}/X11/%L/%T/%N%C%S:\
1428${x_library}/X11/%l/%T/%N%C%S:\
1429${x_library}/X11/%T/%N%C%S:\
1430${x_library}/X11/%L/%T/%N%S:\
1431${x_library}/X11/%l/%T/%N%S:\
1432${x_library}/X11/%T/%N%S"
1433 if test x"${x_default_search_path}" = x; then
1434 x_default_search_path=${x_search_path}
1435 else
1436 x_default_search_path="${x_search_path}:${x_default_search_path}"
1437 fi
1438 done
1439fi
1440AC_SUBST(LD_SWITCH_X_SITE_AUX)
1441AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1442
1443if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1444 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1445fi
1446
1447if test x"${x_includes}" = x; then
1448 bitmapdir=/usr/include/X11/bitmaps
1449else
1450 # accumulate include directories that have X11 bitmap subdirectories
1451 bmd_acc="dummyval"
1452 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1453 if test -d "${bmd}/X11/bitmaps"; then
1454 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1455 fi
1456 if test -d "${bmd}/bitmaps"; then
1457 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1458 fi
1459 done
1460 if test ${bmd_acc} != "dummyval"; then
1461 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1462 fi
1463fi
1464
1465HAVE_NS=no
1466NS_IMPL_COCOA=no
1467NS_IMPL_GNUSTEP=no
1468tmp_CPPFLAGS="$CPPFLAGS"
1469tmp_CFLAGS="$CFLAGS"
1470CPPFLAGS="$CPPFLAGS -x objective-c"
1471CFLAGS="$CFLAGS -x objective-c"
1472TEMACS_LDFLAGS2="\${LDFLAGS}"
1473dnl I don't think it's especially important, but src/Makefile.in
1474dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1475dnl trailing "/" to it, so now we do it here.
1476if test "${with_ns}" != no; then
1477 if test "${opsys}" = darwin; then
1478 NS_IMPL_COCOA=yes
1479 ns_appdir=`pwd`/nextstep/Emacs.app
1480 ns_appbindir=${ns_appdir}/Contents/MacOS/
1481 ns_appresdir=${ns_appdir}/Contents/Resources
1482 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1483 elif test -f $GNUSTEP_CONFIG_FILE; then
1484 NS_IMPL_GNUSTEP=yes
1485 ns_appdir=`pwd`/nextstep/Emacs.app
1486 ns_appbindir=${ns_appdir}/
1487 ns_appresdir=${ns_appdir}/Resources
1488 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1489 dnl FIXME sourcing this several times in subshells seems inefficient.
1490 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1491 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1492 dnl I seemed to need these as well with GNUstep-startup 0.25.
1493 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1494 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1495 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1496 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1497 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1498 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1499 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1500 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1501 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1502 LIB_STANDARD=
1503 START_FILES=
1504 TEMACS_LDFLAGS2=
1505 fi
1506 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1507 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1508 files are missing or cannot be compiled.])])
1509 NS_HAVE_NSINTEGER=yes
1510 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1511 [NSInteger i;])],
1512 ns_have_nsinteger=yes,
1513 ns_have_nsinteger=no)
1514 if test $ns_have_nsinteger = no; then
1515 NS_HAVE_NSINTEGER=no
1516 fi
1517fi
1518AC_SUBST(TEMACS_LDFLAGS2)
1519
1520ns_frag=/dev/null
1521NS_OBJ=
1522NS_SUPPORT=
1523if test "${HAVE_NS}" = yes; then
1524 window_system=nextstep
1525 with_xft=no
1526 # set up packaging dirs
1527 exec_prefix=${ns_appbindir}
1528 libexecdir=${ns_appbindir}/libexec
1529 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1530 prefix=${ns_appresdir}
1531 fi
1532 ns_frag=$srcdir/src/ns.mk
1533 NS_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o fontset.o fringe.o image.o"
1534 NS_SUPPORT="\${lispsource}/emacs-lisp/easymenu.elc \${lispsource}/term/ns-win.elc"
1535fi
1536CFLAGS="$tmp_CFLAGS"
1537CPPFLAGS="$tmp_CPPFLAGS"
1538AC_SUBST(NS_OBJ)
1539AC_SUBST(NS_SUPPORT)
1540AC_SUBST(LIB_STANDARD)
1541AC_SUBST_FILE(ns_frag)
1542
1543case "${window_system}" in
1544 x11 )
1545 HAVE_X_WINDOWS=yes
1546 HAVE_X11=yes
1547 case "${with_x_toolkit}" in
1548 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1549 motif ) USE_X_TOOLKIT=MOTIF ;;
1550 gtk ) with_gtk=yes
1551dnl Dont set this for GTK. A lot of tests below assumes Xt when
1552dnl USE_X_TOOLKIT is set.
1553 USE_X_TOOLKIT=none ;;
1554 gtk3 ) with_gtk3=yes
1555 USE_X_TOOLKIT=none ;;
1556 no ) USE_X_TOOLKIT=none ;;
1557dnl If user did not say whether to use a toolkit, make this decision later:
1558dnl use the toolkit if we have gtk, or X11R5 or newer.
1559 * ) USE_X_TOOLKIT=maybe ;;
1560 esac
1561 ;;
1562 nextstep | none )
1563 HAVE_X_WINDOWS=no
1564 HAVE_X11=no
1565 USE_X_TOOLKIT=none
1566 ;;
1567esac
1568
1569if test "$window_system" = none && test "X$with_x" != "Xno"; then
1570 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1571 if test "$HAVE_XSERVER" = true ||
1572 test -n "$DISPLAY" ||
1573 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1574 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1575were found. You should install the relevant development files for X
1576and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1577sure you have development files for image handling, i.e.
1578tiff, gif, jpeg, png and xpm.
1579If you are sure you want Emacs compiled without X window support, pass
1580 --without-x
1581to configure.])
1582 fi
1583fi
1584
1585### If we're using X11, we should use the X menu package.
1586HAVE_MENUS=no
1587case ${HAVE_X11} in
1588 yes ) HAVE_MENUS=yes ;;
1589esac
1590
1591# Do the opsystem or machine files prohibit the use of the GNU malloc?
1592# Assume not, until told otherwise.
1593GNU_MALLOC=yes
1594doug_lea_malloc=yes
1595AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1596AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1597AC_CACHE_CHECK(whether __after_morecore_hook exists,
1598 emacs_cv_var___after_morecore_hook,
1599[AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1600 emacs_cv_var___after_morecore_hook=yes,
1601 emacs_cv_var___after_morecore_hook=no)])
1602if test $emacs_cv_var___after_morecore_hook = no; then
1603 doug_lea_malloc=no
1604fi
1605
1606
1607dnl See comments in aix4-2.h about maybe using system malloc there.
1608system_malloc=no
1609case "$opsys" in
1610 ## darwin ld insists on the use of malloc routines in the System framework.
1611 darwin|sol2-10) system_malloc=yes ;;
1612esac
1613
1614if test "${system_malloc}" = "yes"; then
1615 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1616 GNU_MALLOC=no
1617 GNU_MALLOC_reason="
1618 (The GNU allocators don't work with this system configuration.)"
1619 GMALLOC_OBJ=
1620 VMLIMIT_OBJ=
1621else
1622 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1623 VMLIMIT_OBJ=vm-limit.o
1624fi
1625AC_SUBST(GMALLOC_OBJ)
1626AC_SUBST(VMLIMIT_OBJ)
1627
1628if test "$doug_lea_malloc" = "yes" ; then
1629 if test "$GNU_MALLOC" = yes ; then
1630 GNU_MALLOC_reason="
1631 (Using Doug Lea's new malloc from the GNU C Library.)"
1632 fi
1633 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1634 [Define to 1 if you are using the GNU C Library.])
1635
1636 ## Use mmap directly for allocating larger buffers.
1637 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1638 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1639 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1640 case "$opsys" in
1641 gnu*) REL_ALLOC=no ;;
1642 esac
1643fi
1644
1645if test x"${REL_ALLOC}" = x; then
1646 REL_ALLOC=${GNU_MALLOC}
1647fi
1648
1649use_mmap_for_buffers=no
1650case "$opsys" in
1651 freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1652esac
1653
1654AC_FUNC_MMAP
1655if test $use_mmap_for_buffers = yes; then
1656 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1657 REL_ALLOC=no
1658fi
1659
1660LIBS="$LIBS_SYSTEM $LIBS"
1661
1662dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1663dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1664AC_CHECK_LIB(dnet, dnet_ntoa)
1665dnl This causes -lresolv to get used in subsequent tests,
1666dnl which causes failures on some systems such as HPUX 9.
1667dnl AC_CHECK_LIB(resolv, gethostbyname)
1668
1669dnl FIXME replace main with a function we actually want from this library.
1670AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1671
1672AC_CHECK_LIB(pthreads, cma_open)
1673
1674## Note: when using cpp in s/aix4.2.h, this definition depended on
1675## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1676## the system file was sourced. Hence the value of LIBS_SYSTEM
1677## added to LIBS in configure would never contain the pthreads part,
1678## but the value used in Makefiles might. FIXME?
1679##
1680## -lpthreads seems to be necessary for Xlib in X11R6, and should
1681## be harmless on older versions of X where it happens to exist.
1682test "$opsys" = "aix4-2" && \
1683 test $ac_cv_lib_pthreads_cma_open = yes && \
1684 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1685
1686dnl Check for need for bigtoc support on IBM AIX
1687
1688case ${host_os} in
1689aix*)
1690 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1691 case $GCC in
1692 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1693 *) gdb_cv_bigtoc=-bbigtoc ;;
1694 esac
1695
1696 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1697 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1698 ])
1699 ;;
1700esac
1701
1702# Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1703# used for the tests that follow. We set them back to REAL_CFLAGS and
1704# REAL_CPPFLAGS later on.
1705
1706REAL_CFLAGS="$CFLAGS"
1707REAL_CPPFLAGS="$CPPFLAGS"
1708
1709if test "${HAVE_X11}" = "yes"; then
1710 DEFS="$C_SWITCH_X_SITE $DEFS"
1711 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1712 LIBS="-lX11 $LIBS"
1713 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1714 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1715
1716 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1717 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1718 # but it's more convenient here to set LD_RUN_PATH
1719 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1720 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1721 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1722 export LD_RUN_PATH
1723 fi
1724
1725 if test "${opsys}" = "gnu-linux"; then
1726 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1727 AC_TRY_LINK([],
1728 [XOpenDisplay ("foo");],
1729 [xlinux_first_failure=no],
1730 [xlinux_first_failure=yes])
1731 if test "${xlinux_first_failure}" = "yes"; then
1732 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1733 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1734 OLD_CPPFLAGS="$CPPFLAGS"
1735 OLD_LIBS="$LIBS"
1736 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1737 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1738 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1739 LIBS="$LIBS -b i486-linuxaout"
1740 AC_TRY_LINK([],
1741 [XOpenDisplay ("foo");],
1742 [xlinux_second_failure=no],
1743 [xlinux_second_failure=yes])
1744 if test "${xlinux_second_failure}" = "yes"; then
1745 # If we get the same failure with -b, there is no use adding -b.
1746 # So take it out. This plays safe.
1747 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1748 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1749 CPPFLAGS="$OLD_CPPFLAGS"
1750 LIBS="$OLD_LIBS"
1751 AC_MSG_RESULT(no)
1752 else
1753 AC_MSG_RESULT(yes)
1754 fi
1755 else
1756 AC_MSG_RESULT(no)
1757 fi
1758 fi
1759
1760 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1761 # header files included from there.
1762 AC_MSG_CHECKING(for Xkb)
1763 AC_TRY_LINK([#include <X11/Xlib.h>
1764#include <X11/XKBlib.h>],
1765 [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1766 emacs_xkb=yes, emacs_xkb=no)
1767 AC_MSG_RESULT($emacs_xkb)
1768 if test $emacs_xkb = yes; then
1769 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1770 fi
1771
1772 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1773XScreenNumberOfScreen XSetWMProtocols)
1774fi
1775
1776if test "${window_system}" = "x11"; then
1777 AC_MSG_CHECKING(X11 version 6)
1778 AC_CACHE_VAL(emacs_cv_x11_version_6,
1779 [AC_TRY_LINK([#include <X11/Xlib.h>],
1780[#if XlibSpecificationRelease < 6
1781fail;
1782#endif
1783], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1784 if test $emacs_cv_x11_version_6 = yes; then
1785 AC_MSG_RESULT(6 or newer)
1786 AC_DEFINE(HAVE_X11R6, 1,
1787 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1788 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1789 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1790 ## XIM support.
1791 case "$opsys" in
1792 sol2-*) : ;;
1793 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1794 [Define if you have usable X11R6-style XIM support.])
1795 ;;
1796 esac
1797 else
1798 AC_MSG_RESULT(before 6)
1799 fi
1800fi
1801
1802
1803### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1804HAVE_RSVG=no
1805if test "${HAVE_X11}" = "yes" || test "${NS_IMPL_GNUSTEP}" = "yes"; then
1806 if test "${with_rsvg}" != "no"; then
1807 RSVG_REQUIRED=2.11.0
1808 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1809
1810 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1811 AC_SUBST(RSVG_CFLAGS)
1812 AC_SUBST(RSVG_LIBS)
1813
1814 if test $HAVE_RSVG = yes; then
1815 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1816 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1817 LIBS="$RSVG_LIBS $LIBS"
1818 fi
1819 fi
1820fi
1821
1822HAVE_IMAGEMAGICK=no
1823if test "${HAVE_X11}" = "yes"; then
1824 if test "${with_imagemagick}" != "no"; then
1825 IMAGEMAGICK_MODULE="Wand"
1826 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1827 AC_SUBST(IMAGEMAGICK_CFLAGS)
1828 AC_SUBST(IMAGEMAGICK_LIBS)
b06b1098 1829
067d23c9
KY
1830 if test $HAVE_IMAGEMAGICK = yes; then
1831 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1832 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1833 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1834 AC_CHECK_FUNCS(MagickExportImagePixels)
1835 fi
1836 fi
1837fi
1838
1839
1840HAVE_GTK=no
1841if test "${with_gtk3}" = "yes"; then
1842 GLIB_REQUIRED=2.6
1843 GTK_REQUIRED=2.90
1844 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1845
1846 dnl Checks for libraries.
1847 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1848 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1849 AC_MSG_ERROR($GTK_PKG_ERRORS)
1850 fi
1851fi
1852
1853if test "$pkg_check_gtk" != "yes"; then
1854 HAVE_GTK=no
1855if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1856 GLIB_REQUIRED=2.6
1857 GTK_REQUIRED=2.6
1858 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1859
1860 dnl Checks for libraries.
1861 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1862 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1863 AC_MSG_ERROR($GTK_PKG_ERRORS)
1864 fi
1865fi
1866fi
1867
1868GTK_OBJ=
1869if test x"$pkg_check_gtk" = xyes; then
1870
1871 AC_SUBST(GTK_CFLAGS)
1872 AC_SUBST(GTK_LIBS)
1873 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1874 CFLAGS="$CFLAGS $GTK_CFLAGS"
1875 LIBS="$GTK_LIBS $LIBS"
1876 dnl Try to compile a simple GTK program.
1877 GTK_COMPILES=no
1878 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1879 if test "${GTK_COMPILES}" != "yes"; then
1880 if test "$USE_X_TOOLKIT" != "maybe"; then
1881 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1882 fi
1883 else
1884 HAVE_GTK=yes
1885 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1886 GTK_OBJ=gtkutil.o
1887 USE_X_TOOLKIT=none
1888 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1889 :
1890 else
1891 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1892 closing open displays. This is no problem if you just use
1893 one display, but if you use more than one and close one of them
1894 Emacs may crash.]])
1895 sleep 3
1896 fi
1897 fi
1898
1899fi
1900AC_SUBST(GTK_OBJ)
1901
1902
1903if test "${HAVE_GTK}" = "yes"; then
1904
1905 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1906 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1907 if test "$with_toolkit_scroll_bars" != no; then
1908 with_toolkit_scroll_bars=yes
1909 fi
1910
1911 dnl Check if we have the old file selection dialog declared and
1912 dnl in the link library. In 2.x it may be in the library,
1913 dnl but not declared if deprecated featured has been selected out.
1914 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1915 HAVE_GTK_FILE_SELECTION=no
1916 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1917 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1918#include <gtk/gtk.h>])
1919 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1920 AC_CHECK_FUNCS(gtk_file_selection_new)
1921 fi
1922
1923 dnl Check if pthreads are available. Emacs only needs this when using
1924 dnl gtk_file_chooser under Gnome.
1925 HAVE_GTK_AND_PTHREAD=no
1926 AC_CHECK_HEADERS(pthread.h)
1927 if test "$ac_cv_header_pthread_h"; then
1928 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1929 fi
1930 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1931 case "${canonical}" in
1932 *-hpux*) ;;
1933 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1934 esac
1935 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1936 [Define to 1 if you have GTK and pthread (-lpthread).])
1937 fi
1938
1939 dnl Check for functions introduced in 2.14 and later.
1940 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1941 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1942 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1943 gtk_orientable_set_orientation)
1944
1945fi
1946
1947dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1948dnl other platforms. Support for higher D-Bus versions than 1.0 is
1949dnl also not configured.
1950HAVE_DBUS=no
1951DBUS_OBJ=
1952if test "${with_dbus}" = "yes"; then
1953 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1954 if test "$HAVE_DBUS" = yes; then
1955 LIBS="$LIBS $DBUS_LIBS"
1956 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1957 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1958 DBUS_OBJ=dbusbind.o
1959 fi
1960fi
1961AC_SUBST(DBUS_OBJ)
1962
1963dnl GConf has been tested under GNU/Linux only.
1964dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1965HAVE_GCONF=no
1966if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1967 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1968 if test "$HAVE_GCONF" = yes; then
1969 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1970 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1971 AC_CHECK_FUNCS([g_type_init])
1972 fi
1973fi
1974
1975dnl SELinux is available for GNU/Linux only.
1976HAVE_LIBSELINUX=no
1977LIBSELINUX_LIBS=
1978if test "${with_selinux}" = "yes"; then
1979 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
1980 if test "$HAVE_LIBSELINUX" = yes; then
1981 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
1982 LIBSELINUX_LIBS=-lselinux
1983 fi
1984fi
1985AC_SUBST(LIBSELINUX_LIBS)
1986
1987HAVE_GNUTLS=no
1988if test "${with_gnutls}" = "yes" ; then
1989 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.2.4], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
1990 if test "${HAVE_GNUTLS}" = "yes"; then
1991 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
1992 fi
1993fi
1994AC_SUBST(LIBGNUTLS_LIBS)
1995AC_SUBST(LIBGNUTLS_CFLAGS)
1996
1997dnl Do not put whitespace before the #include statements below.
1998dnl Older compilers (eg sunos4 cc) choke on it.
1999HAVE_XAW3D=no
2000LUCID_LIBW=
2001if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2002 if test "$with_xaw3d" != no; then
2003 AC_MSG_CHECKING(for xaw3d)
2004 AC_CACHE_VAL(emacs_cv_xaw3d,
2005 [AC_TRY_LINK([
2006#include <X11/Intrinsic.h>
2007#include <X11/Xaw3d/Simple.h>],
2008 [],
2009 emacs_cv_xaw3d=yes,
2010 emacs_cv_xaw3d=no)])
2011 else
2012 emacs_cv_xaw3d=no
2013 fi
2014 if test $emacs_cv_xaw3d = yes; then
2015 AC_MSG_RESULT([yes; using Lucid toolkit])
2016 USE_X_TOOLKIT=LUCID
2017 HAVE_XAW3D=yes
2018 LUCID_LIBW=-lXaw3d
2019 AC_DEFINE(HAVE_XAW3D, 1,
2020 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2021 else
2022 AC_MSG_RESULT(no)
2023 AC_MSG_CHECKING(for libXaw)
2024 AC_CACHE_VAL(emacs_cv_xaw,
2025 [AC_TRY_LINK([
2026#include <X11/Intrinsic.h>
2027#include <X11/Xaw/Simple.h>],
2028 [],
2029 emacs_cv_xaw=yes,
2030 emacs_cv_xaw=no)])
2031 if test $emacs_cv_xaw = yes; then
2032 AC_MSG_RESULT([yes; using Lucid toolkit])
2033 USE_X_TOOLKIT=LUCID
2034 LUCID_LIBW=-lXaw
2035 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2036 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2037 else
2038 AC_MSG_RESULT([no; do not use toolkit by default])
2039 USE_X_TOOLKIT=none
2040 fi
2041 fi
2042fi
2043
2044X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2045
2046LIBXTR6=
2047if test "${USE_X_TOOLKIT}" != "none"; then
2048 AC_MSG_CHECKING(X11 toolkit version)
2049 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2050 [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2051[#if XtSpecificationRelease < 6
2052fail;
2053#endif
2054], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2055 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2056 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2057 AC_MSG_RESULT(6 or newer)
2058 AC_DEFINE(HAVE_X11XTR6, 1,
2059 [Define to 1 if you have the X11R6 or newer version of Xt.])
2060 LIBXTR6="-lSM -lICE"
2061 case "$opsys" in
2062 ## Use libw.a along with X11R6 Xt.
2063 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2064 esac
2065 else
2066 AC_MSG_RESULT(before 6)
2067 fi
2068
2069dnl If using toolkit, check whether libXmu.a exists.
2070dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2071 OLDLIBS="$LIBS"
2072 if test x$HAVE_X11XTR6 = xyes; then
2073 LIBS="-lXt -lSM -lICE $LIBS"
2074 else
2075 LIBS="-lXt $LIBS"
2076 fi
2077 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2078 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2079fi
2080AC_SUBST(LIBXTR6)
2081
2082dnl FIXME the logic here seems weird, but this is what cpp was doing.
2083dnl Why not just test for libxmu in the normal way?
2084LIBXMU=-lXmu
d6a003a8
AS
2085case $opsys in
2086 ## These systems don't supply Xmu.
067d23c9
KY
2087 hpux* | aix4-2 )
2088 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2089 ;;
2090esac
2091AC_SUBST(LIBXMU)
2092
2093# On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2094if test "${HAVE_X11}" = "yes"; then
2095 if test "${USE_X_TOOLKIT}" != "none"; then
2096 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2097 fi
2098fi
2099
2100LIBXP=
2101if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2102 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2103 [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2104 [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2105int x = 5;
2106#else
2107Motif version prior to 2.1.
2108#endif],
2109 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2110 if test $emacs_cv_motif_version_2_1 = yes; then
2111 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2112 else
2113 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2114 # We put this in CFLAGS temporarily to precede other -I options
2115 # that might be in CFLAGS temporarily.
2116 # We put this in CPPFLAGS where it precedes the other -I options.
2117 OLD_CPPFLAGS=$CPPFLAGS
2118 OLD_CFLAGS=$CFLAGS
2119 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2120 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2121 [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2122 [int x = 5;],
2123 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2124 if test $emacs_cv_lesstif = yes; then
2125 # Make sure this -I option remains in CPPFLAGS after it is set
2126 # back to REAL_CPPFLAGS.
2127 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2128 # have those other -I options anyway. Ultimately, having this
2129 # directory ultimately in CPPFLAGS will be enough.
2130 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2131 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2132 else
2133 CFLAGS=$OLD_CFLAGS
2134 CPPFLAGS=$OLD_CPPFLAGS
2135 fi
2136 fi
2137fi
2138
2139dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2140dnl using Motif or Xaw3d is available, and unless
2141dnl --with-toolkit-scroll-bars=no was specified.
2142
2143AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2144 [Define to 1 if we should use toolkit scroll bars.])dnl
2145USE_TOOLKIT_SCROLL_BARS=no
2146if test "${with_toolkit_scroll_bars}" != "no"; then
2147 if test "${USE_X_TOOLKIT}" != "none"; then
2148 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2149 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2150 HAVE_XAW3D=no
2151 USE_TOOLKIT_SCROLL_BARS=yes
2152 elif test "${HAVE_XAW3D}" = "yes"; then
2153 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2154 USE_TOOLKIT_SCROLL_BARS=yes
2155 fi
2156 elif test "${HAVE_GTK}" = "yes"; then
2157 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2158 USE_TOOLKIT_SCROLL_BARS=yes
2159 elif test "${HAVE_NS}" = "yes"; then
2160 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2161 USE_TOOLKIT_SCROLL_BARS=yes
2162 fi
2163fi
2164
2165dnl See if XIM is available.
2166AC_TRY_COMPILE([
2167 #include <X11/Xlib.h>
2168 #include <X11/Xresource.h>],
2169 [XIMProc callback;],
2170 [HAVE_XIM=yes
2171 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2172 HAVE_XIM=no)
2173
2174dnl `--with-xim' now controls only the initial value of use_xim at run time.
2175
2176if test "${with_xim}" != "no"; then
2177 AC_DEFINE(USE_XIM, 1,
2178 [Define to 1 if we should use XIM, if it is available.])
2179fi
2180
2181
2182if test "${HAVE_XIM}" != "no"; then
2183 late_CFLAGS=$CFLAGS
2184 if test "$GCC" = yes; then
2185 CFLAGS="$CFLAGS --pedantic-errors"
2186 fi
2187 AC_TRY_COMPILE([
2188#include <X11/Xlib.h>
2189#include <X11/Xresource.h>],
2190[Display *display;
2191XrmDatabase db;
2192char *res_name;
2193char *res_class;
2194XIMProc callback;
2195XPointer *client_data;
2196#ifndef __GNUC__
2197/* If we're not using GCC, it's probably not XFree86, and this is
2198 probably right, but we can't use something like --pedantic-errors. */
2199extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2200 char*, XIMProc, XPointer*);
2201#endif
2202(void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2203 client_data);],
2204 [emacs_cv_arg6_star=yes])
2205 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2206 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2207either XPointer or XPointer*.])dnl
2208 if test "$emacs_cv_arg6_star" = yes; then
2209 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2210 else
2211 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2212 fi
2213 CFLAGS=$late_CFLAGS
2214fi
2215
2216### Start of font-backend (under any platform) section.
2217# (nothing here yet -- this is a placeholder)
2218### End of font-backend (under any platform) section.
2219
2220### Start of font-backend (under X11) section.
2221if test "${HAVE_X11}" = "yes"; then
2222 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2223
2224 ## Use -lXft if available, unless `--with-xft=no'.
2225 HAVE_XFT=maybe
2226 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2227 with_xft="no";
2228 fi
2229 if test "x${with_xft}" != "xno"; then
2230
2231 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2232 ## Because xftfont.c uses XRenderQueryExtension, we also
2233 ## need to link to -lXrender.
2234 HAVE_XRENDER=no
2235 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2236 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2237 OLD_CPPFLAGS="$CPPFLAGS"
2238 OLD_CFLAGS="$CFLAGS"
2239 OLD_LIBS="$LIBS"
2240 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2241 CFLAGS="$CFLAGS $XFT_CFLAGS"
2242 XFT_LIBS="-lXrender $XFT_LIBS"
2243 LIBS="$XFT_LIBS $LIBS"
2244 AC_CHECK_HEADER(X11/Xft/Xft.h,
2245 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2246
2247 if test "${HAVE_XFT}" = "yes"; then
2248 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2249 AC_SUBST(XFT_LIBS)
2250 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2251 else
2252 CPPFLAGS="$OLD_CPPFLAGS"
2253 CFLAGS="$OLD_CFLAGS"
2254 LIBS="$OLD_LIBS"
2255 fi # "${HAVE_XFT}" = "yes"
2256 fi # "$HAVE_XFT" != no
2257 fi # "x${with_xft}" != "xno"
2258
2259 dnl For the "Does Emacs use" message at the end.
2260 if test "$HAVE_XFT" != "yes"; then
2261 HAVE_XFT=no
2262 fi
2263
067d23c9
KY
2264 ## We used to allow building with FreeType and without Xft.
2265 ## However, the ftx font backend driver is not in good shape.
48dcd482 2266 HAVE_FREETYPE=$HAVE_XFT
067d23c9
KY
2267
2268 HAVE_LIBOTF=no
2269 if test "${HAVE_FREETYPE}" = "yes"; then
2270 AC_DEFINE(HAVE_FREETYPE, 1,
2271 [Define to 1 if using the freetype and fontconfig libraries.])
2272 if test "${with_libotf}" != "no"; then
2273 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2274 HAVE_LIBOTF=no)
2275 if test "$HAVE_LIBOTF" = "yes"; then
2276 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2277 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2278 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2279 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2280 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2281 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2282 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2283 fi
2284 fi
2285 fi
2286 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2287 dnl Does the new font backend require it, or can it work without it?
2288 fi
2289
2290 HAVE_M17N_FLT=no
2291 if test "${HAVE_LIBOTF}" = yes; then
2292 if test "${with_m17n_flt}" != "no"; then
2293 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2294 if test "$HAVE_M17N_FLT" = "yes"; then
2295 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2296 fi
2297 fi
2298 fi
2299else
2300 HAVE_XFT=no
2301 HAVE_FREETYPE=no
2302 HAVE_LIBOTF=no
2303 HAVE_M17N_FLT=no
2304fi
2305
2306### End of font-backend (under X11) section.
2307
2308AC_SUBST(FREETYPE_CFLAGS)
2309AC_SUBST(FREETYPE_LIBS)
2310AC_SUBST(FONTCONFIG_CFLAGS)
2311AC_SUBST(FONTCONFIG_LIBS)
2312AC_SUBST(LIBOTF_CFLAGS)
2313AC_SUBST(LIBOTF_LIBS)
2314AC_SUBST(M17N_FLT_CFLAGS)
2315AC_SUBST(M17N_FLT_LIBS)
2316
2317### Use -lXpm if available, unless `--with-xpm=no'.
2318HAVE_XPM=no
2319LIBXPM=
2320if test "${HAVE_X11}" = "yes"; then
2321 if test "${with_xpm}" != "no"; then
2322 AC_CHECK_HEADER(X11/xpm.h,
2323 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2324 if test "${HAVE_XPM}" = "yes"; then
2325 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2326 AC_EGREP_CPP(no_return_alloc_pixels,
2327 [#include "X11/xpm.h"
2328#ifndef XpmReturnAllocPixels
2329no_return_alloc_pixels
2330#endif
2331 ], HAVE_XPM=no, HAVE_XPM=yes)
2332
2333 if test "${HAVE_XPM}" = "yes"; then
2334 AC_MSG_RESULT(yes)
2335 else
2336 AC_MSG_RESULT(no)
2337 fi
2338 fi
2339 fi
2340
2341 if test "${HAVE_XPM}" = "yes"; then
2342 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2343 LIBXPM=-lXpm
2344 fi
2345fi
2346AC_SUBST(LIBXPM)
2347
2348### Use -ljpeg if available, unless `--with-jpeg=no'.
2349HAVE_JPEG=no
2350LIBJPEG=
2351if test "${HAVE_X11}" = "yes"; then
2352 if test "${with_jpeg}" != "no"; then
2353 dnl Checking for jpeglib.h can lose because of a redefinition of
2354 dnl HAVE_STDLIB_H.
2355 AC_CHECK_HEADER(jerror.h,
2356 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2357 fi
2358
2359 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2360 if test "${HAVE_JPEG}" = "yes"; then
2361 AC_DEFINE(HAVE_JPEG)
2362 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2363 [#include <jpeglib.h>
2364 version=JPEG_LIB_VERSION
2365],
2366 [AC_DEFINE(HAVE_JPEG)],
2367 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2368 HAVE_JPEG=no])
2369 fi
2370 if test "${HAVE_JPEG}" = "yes"; then
2371 LIBJPEG=-ljpeg
2372 fi
2373fi
2374AC_SUBST(LIBJPEG)
2375
2376### Use -lpng if available, unless `--with-png=no'.
2377HAVE_PNG=no
2378LIBPNG=
2379if test "${HAVE_X11}" = "yes"; then
2380 if test "${with_png}" != "no"; then
2381 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2382 # in /usr/include/libpng.
2383 AC_CHECK_HEADERS(png.h libpng/png.h)
2384 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2385 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2386 fi
2387 fi
2388
2389 if test "${HAVE_PNG}" = "yes"; then
2390 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2391 LIBPNG="-lpng -lz -lm"
2392 fi
2393fi
2394AC_SUBST(LIBPNG)
2395
2396### Use -ltiff if available, unless `--with-tiff=no'.
2397HAVE_TIFF=no
2398LIBTIFF=
2399if test "${HAVE_X11}" = "yes"; then
2400 if test "${with_tiff}" != "no"; then
2401 AC_CHECK_HEADER(tiffio.h,
2402 [tifflibs="-lz -lm"
2403 # At least one tiff package requires the jpeg library.
2404 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2405 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2406 fi
2407
2408 if test "${HAVE_TIFF}" = "yes"; then
2409 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2410 dnl FIXME -lz -lm, as per libpng?
2411 LIBTIFF=-ltiff
2412 fi
2413fi
2414AC_SUBST(LIBTIFF)
2415
2416### Use -lgif or -lungif if available, unless `--with-gif=no'.
2417HAVE_GIF=no
2418LIBGIF=
2419if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2420 AC_CHECK_HEADER(gif_lib.h,
2421# EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2422# Earlier versions can crash Emacs.
2423 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2424
2425 if test "$HAVE_GIF" = yes; then
2426 LIBGIF=-lgif
2427 elif test "$HAVE_GIF" = maybe; then
2428# If gif_lib.h but no libgif, try libungif.
2429 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2430 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2431 fi
2432
2433 if test "${HAVE_GIF}" = "yes"; then
2434 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2435 fi
2436fi
2437AC_SUBST(LIBGIF)
2438
2439dnl Check for required libraries.
2440if test "${HAVE_X11}" = "yes"; then
2441 MISSING=""
2442 WITH_NO=""
2443 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2444 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2445 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2446 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2447 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2448 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2449 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2450 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2451 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2452 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2453
2454 if test "X${MISSING}" != X; then
2455 AC_MSG_ERROR([The following required libraries were not found:
2456 $MISSING
2457Maybe some development libraries/packages are missing?
2458If you don't want to link with them give
2459 $WITH_NO
2460as options to configure])
2461 fi
2462fi
2463
2464### Use -lgpm if available, unless `--with-gpm=no'.
2465HAVE_GPM=no
2466LIBGPM=
2467MOUSE_SUPPORT=
2468if test "${with_gpm}" != "no"; then
2469 AC_CHECK_HEADER(gpm.h,
2470 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2471
2472 if test "${HAVE_GPM}" = "yes"; then
2473 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2474 LIBGPM=-lgpm
2475 ## May be reset below.
2476 MOUSE_SUPPORT="\$(GPM_MOUSE_SUPPORT)"
2477 fi
2478fi
2479AC_SUBST(LIBGPM)
2480
2481dnl Check for malloc/malloc.h on darwin
2482AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2483
2484C_SWITCH_X_SYSTEM=
2485### Use NeXTstep API to implement GUI.
2486if test "${HAVE_NS}" = "yes"; then
2487 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2488 if test "${NS_IMPL_COCOA}" = "yes"; then
2489 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2490 GNU_OBJC_CFLAGS=
2491 fi
2492 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2493 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2494 # See also .m.o rule in Makefile.in */
2495 # FIXME: are all these flags really needed? Document here why. */
2496 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2497 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2498 fi
2499 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2500 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2501 fi
2502 # We also have mouse menus.
2503 HAVE_MENUS=yes
2504 OTHER_FILES=ns-app
2505fi
2506
2507
2508### Use session management (-lSM -lICE) if available
2509HAVE_X_SM=no
2510LIBXSM=
2511if test "${HAVE_X11}" = "yes"; then
2512 AC_CHECK_HEADER(X11/SM/SMlib.h,
2513 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2514
2515 if test "${HAVE_X_SM}" = "yes"; then
2516 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2517 LIBXSM="-lSM -lICE"
2518 case "$LIBS" in
2519 *-lSM*) ;;
2520 *) LIBS="$LIBXSM $LIBS" ;;
2521 esac
2522 fi
2523fi
2524AC_SUBST(LIBXSM)
2525
2526### Use libxml (-lxml2) if available
2527if test "${with_xml2}" != "no"; then
2528 ### I'm not sure what the version number should be, so I just guessed.
dab73760 2529 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
067d23c9
KY
2530 if test "${HAVE_LIBXML2}" = "yes"; then
2531 LIBS="$LIBXML2_LIBS $LIBS"
2532 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2533 if test "${HAVE_LIBXML2}" = "yes"; then
2534 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2535 else
2536 LIBXML2_LIBS=""
2537 LIBXML2_CFLAGS=""
2538 fi
2539 fi
2540fi
2541AC_SUBST(LIBXML2_LIBS)
2542AC_SUBST(LIBXML2_CFLAGS)
2543
2544# If netdb.h doesn't declare h_errno, we must declare it by hand.
2545AC_CACHE_CHECK(whether netdb declares h_errno,
2546 emacs_cv_netdb_declares_h_errno,
2547[AC_TRY_LINK([#include <netdb.h>],
2548 [return h_errno;],
2549 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2550if test $emacs_cv_netdb_declares_h_errno = yes; then
2551 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2552fi
2553
2554AC_FUNC_ALLOCA
2555
2556dnl src/alloca.c has been removed. Could also check if $ALLOCA is set?
2557dnl FIXME is there an autoconf test that does the right thing, without
2558dnl needing to call A_M_E afterwards?
2559if test x"$ac_cv_func_alloca_works" != xyes; then
2560 AC_MSG_ERROR( [a system implementation of alloca is required] )
2561fi
2562
2563# fmod, logb, and frexp are found in -lm on most systems.
2564# On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2565AC_CHECK_LIB(m, sqrt)
2566
2567# Check for mail-locking functions in a "mail" library. Probably this should
2568# have the same check as for liblockfile below.
2569AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2570if test $have_mail = yes; then
2571 LIBS_MAIL=-lmail
2572 LIBS="$LIBS_MAIL $LIBS"
2573 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2574else
2575 LIBS_MAIL=
2576fi
2577dnl Debian, at least:
2578AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2579if test $have_lockfile = yes; then
2580 LIBS_MAIL=-llockfile
2581 LIBS="$LIBS_MAIL $LIBS"
2582 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2583else
2584# If we have the shared liblockfile, assume we must use it for mail
2585# locking (e.g. Debian). If we couldn't link against liblockfile
2586# (no liblockfile.a installed), ensure that we don't need to.
2587 dnl This works for files generally, not just executables.
2588 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2589 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2590 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2591 if test $ac_cv_prog_liblockfile = yes; then
2592 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2593This probably means that movemail could lose mail.
2594There may be a `development' package to install containing liblockfile.])
2595 fi
2596fi
2597AC_CHECK_FUNCS(touchlock)
2598AC_CHECK_HEADERS(maillock.h)
2599AC_SUBST(LIBS_MAIL)
2600
2601## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2602## interlock access to the mail spool. The alternative is a lock file named
2603## /usr/spool/mail/$USER.lock.
2604mail_lock=no
2605case "$opsys" in
2606 aix4-2) mail_lock="lockf" ;;
2607
2608 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2609
2610 ## On GNU/Linux systems, both methods are used by various mail programs.
2611 ## I assume most people are using newer mailers that have heard of flock.
2612 ## Change this if you need to.
2613 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2614 ## configure gets the right answers, and that means *NOT* using flock.
2615 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2616 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2617 ## Debian maintainer hasn't provided a clean fix for Emacs.
2618 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2619 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2620 ## correct logic. -- fx
2621 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2622 ## liblockfile is a Free Software replacement for libmail, used on
2623 ## Debian systems and elsewhere. -rfr.
2624 gnu-*)
2625 mail_lock="flock"
2626 if test $have_mail = yes || test $have_lockfile = yes; then
2627 test $ac_cv_header_maillock_h = yes && mail_lock=no
2628 fi
2629 ;;
2630esac
2631
2632BLESSMAIL_TARGET=
2633case "$mail_lock" in
2634 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2635
2636 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2637
2638 *) BLESSMAIL_TARGET="need-blessmail" ;;
2639esac
2640AC_SUBST(BLESSMAIL_TARGET)
2641
2642
2643AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2644rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2645random lrand48 logb frexp fmod rint cbrt ftime setsid \
1e11dbe3 2646strerror fpathconf select euidaccess getpagesize tzset setlocale \
067d23c9
KY
2647utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2648__fpending mblen mbrlen mbsinit strsignal setitimer ualarm strchr strrchr \
2649sendto recvfrom getsockopt setsockopt getsockname getpeername \
2650gai_strerror mkstemp getline getdelim mremap memmove fsync sync \
2651memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2652cfmakeraw cfsetspeed isnan copysign __executable_start)
2653
2018939f
AS
2654dnl Cannot use AC_CHECK_FUNCS
2655AC_CACHE_CHECK([for __builtin_unwind_init],
2656 emacs_cv_func___builtin_unwind_init,
2657[AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2658 emacs_cv_func___builtin_unwind_init=yes,
2659 emacs_cv_func___builtin_unwind_init=no)])
2660if test $emacs_cv_func___builtin_unwind_init = yes; then
2661 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2662 [Define to 1 if you have the `__builtin_unwind_init' function.])
2663fi
2664
067d23c9
KY
2665AC_CHECK_HEADERS(sys/un.h)
2666
067d23c9
KY
2667AC_FUNC_GETLOADAVG
2668
2669AC_FUNC_FSEEKO
2670
067d23c9
KY
2671AC_FUNC_GETPGRP
2672
9a514d4a 2673# Configure gnulib.
d6974efa 2674gl_ASSERT_NO_GNULIB_POSIXCHECK
b06b1098 2675gl_ASSERT_NO_GNULIB_TESTS
9a514d4a
PE
2676gl_INIT
2677
067d23c9
KY
2678# UNIX98 PTYs.
2679AC_CHECK_FUNCS(grantpt)
2680
2681# PTY-related GNU extensions.
2682AC_CHECK_FUNCS(getpt)
2683
2684# Check this now, so that we will NOT find the above functions in ncurses.
2685# That is because we have not set up to link ncurses in lib-src.
2686# It's better to believe a function is not available
2687# than to expect to find it in ncurses.
2688# Also we need tputs and friends to be able to build at all.
2689have_tputs_et_al=true
2690AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2691if test "$have_tputs_et_al" != true; then
2692 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2693Maybe some development libraries/packages are missing? Try installing
2694libncurses-dev(el), libterminfo-dev(el) or similar.])
2695fi
2696# Must define this when any termcap library is found.
2697AC_DEFINE(HAVE_LIBNCURSES, 1,
2698 [Define to 1 if you have the `ncurses' library (-lncurses).])
2699## FIXME This was the cpp logic, but I am not sure it is right.
2700## The above test has not necessarily found libncurses.
2701HAVE_LIBNCURSES=yes
2702
2703## Use terminfo instead of termcap?
2704## Note only system files NOT using terminfo are:
2705## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2706## darwin|gnu without ncurses.
2707TERMINFO=no
2708LIBS_TERMCAP=
2709case "$opsys" in
2710 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2711 ## hpux10-20: Use the system provided termcap(3) library.
2712 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2713 ## is necessary. Otherwise Emacs dumps core when run -nw.
2714 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2715
2716 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2717 ## The ncurses library has been moved out of the System framework in
2718 ## Mac OS X 10.2. So if configure detects it, set the command-line
2719 ## option to use it.
2720 darwin|gnu*)
2721 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2722 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2723 TERMINFO=yes
2724 LIBS_TERMCAP="-lncurses"
2725 fi
2726 ;;
2727
2728 freebsd)
2729 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2730 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2731 [AC_TRY_LINK([#include <osreldate.h>],
2732[#if __FreeBSD_version < 400000
2733fail;
2734#endif
2735], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2736
2737 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2738
2739 if test $emacs_cv_freebsd_terminfo = yes; then
2740 TERMINFO=yes
2741 LIBS_TERMCAP="-lncurses"
2742 else
2743 LIBS_TERMCAP="-ltermcap"
2744 fi
2745 ;;
2746
2747 netbsd)
2748 if test $ac_cv_search_tputs = -lterminfo; then
2749 TERMINFO=yes
2750 LIBS_TERMCAP="-lterminfo"
2751 else
2752 LIBS_TERMCAP="-ltermcap"
2753 fi
2754 ;;
2755
2756esac
2757
2758case "$opsys" in
2759 ## hpux: Make sure we get select from libc rather than from libcurses
2760 ## because libcurses on HPUX 10.10 has a broken version of select.
2761 ## We used to use -lc -lcurses, but this may be cleaner.
2762 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2763
2764 openbsd) LIBS_TERMCAP="-lncurses" ;;
2765
2766 ## Must use system termcap, if we use any termcap. It does special things.
2767 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2768esac
2769
2770TERMCAP_OBJ=tparam.o
2771if test $TERMINFO = yes; then
2772 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2773
2774 ## Default used to be -ltermcap. Add a case above if need something else.
2775 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2776
2777 TERMCAP_OBJ=terminfo.o
2778fi
2779AC_SUBST(LIBS_TERMCAP)
2780AC_SUBST(TERMCAP_OBJ)
2781
2782
2783# Do we have res_init, for detecting changes in /etc/resolv.conf?
2784resolv=no
2785AC_TRY_LINK([#include <netinet/in.h>
2786#include <arpa/nameser.h>
2787#include <resolv.h>],
2788 [return res_init();],
2789 have_res_init=yes, have_res_init=no)
2790if test "$have_res_init" = no; then
2791 OLIBS="$LIBS"
2792 LIBS="$LIBS -lresolv"
2793 AC_MSG_CHECKING(for res_init with -lresolv)
2794 AC_TRY_LINK([#include <netinet/in.h>
2795#include <arpa/nameser.h>
2796#include <resolv.h>],
2797 [return res_init();],
2798 have_res_init=yes, have_res_init=no)
2799 AC_MSG_RESULT($have_res_init)
2800 if test "$have_res_init" = yes ; then
2801 resolv=yes
2802 fi
2803 LIBS="$OLIBS"
2804fi
2805
2806if test "$have_res_init" = yes; then
2807 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2808fi
2809
2810# Do we need the Hesiod library to provide the support routines?
2811LIBHESIOD=
2812if test "$with_hesiod" != no ; then
2813 # Don't set $LIBS here -- see comments above. FIXME which comments?
2814 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2815 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2816 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2817 if test "$resolv" = yes ; then
2818 RESOLVLIB=-lresolv
2819 else
2820 RESOLVLIB=
2821 fi
2822 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2823 hesiod=yes, :, $RESOLVLIB)])
2824
2825 if test x"$hesiod" = xyes; then
2826 AC_DEFINE(HAVE_LIBHESIOD, 1,
2827 [Define to 1 if you have the hesiod library (-lhesiod).])
2828 LIBHESIOD=-lhesiod
2829 fi
2830fi
2831AC_SUBST(LIBHESIOD)
2832
2833# Do we need libresolv (due to res_init or Hesiod)?
2834if test "$resolv" = yes ; then
2835 AC_DEFINE(HAVE_LIBRESOLV, 1,
2836 [Define to 1 if you have the resolv library (-lresolv).])
2837 LIBRESOLV=-lresolv
2838else
2839 LIBRESOLV=
2840fi
2841AC_SUBST(LIBRESOLV)
2842
2843# These tell us which Kerberos-related libraries to use.
2844COM_ERRLIB=
2845CRYPTOLIB=
2846KRB5LIB=
2847DESLIB=
2848KRB4LIB=
2849
2850if test "${with_kerberos}" != no; then
2851 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2852 if test $have_com_err = yes; then
2853 COM_ERRLIB=-lcom_err
2854 LIBS="$COM_ERRLIB $LIBS"
2855 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2856 fi
2857 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2858 if test $have_crypto = yes; then
2859 CRYPTOLIB=-lcrypto
2860 LIBS="$CRYPTOLIB $LIBS"
2861 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2862 fi
2863 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2864 if test $have_k5crypto = yes; then
2865 CRYPTOLIB=-lk5crypto
2866 LIBS="$CRYPTOLIB $LIBS"
2867 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2868 fi
2869 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2870 if test $have_krb5=yes; then
2871 KRB5LIB=-lkrb5
2872 LIBS="$KRB5LIB $LIBS"
2873 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2874 fi
2875 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2876 if test "${with_kerberos5}" = no; then
2877 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2878 if test $have_des425 = yes; then
2879 DESLIB=-ldes425
2880 LIBS="$DESLIB $LIBS"
2881 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2882 else
2883 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2884 if test $have_des = yes; then
2885 DESLIB=-ldes
2886 LIBS="$DESLIB $LIBS"
2887 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2888 fi
2889 fi
2890 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2891 if test $have_krb4 = yes; then
2892 KRB4LIB=-lkrb4
2893 LIBS="$KRB4LIB $LIBS"
2894 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2895 else
2896 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2897 if test $have_krb = yes; then
2898 KRB4LIB=-lkrb
2899 LIBS="$KRB4LIB $LIBS"
2900 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2901 fi
2902 fi
2903 fi
2904
2905 if test "${with_kerberos5}" != no; then
2906 AC_CHECK_HEADERS(krb5.h,
2907 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2908 [#include <krb5.h>])])
2909 else
2910 AC_CHECK_HEADERS(des.h,,
2911 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2912 [AC_CHECK_HEADERS(kerberos/des.h)])])
2913 AC_CHECK_HEADERS(krb.h,,
2914 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2915 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2916 fi
2917 AC_CHECK_HEADERS(com_err.h)
2918fi
2919
2920AC_SUBST(COM_ERRLIB)
2921AC_SUBST(CRYPTOLIB)
2922AC_SUBST(KRB5LIB)
2923AC_SUBST(DESLIB)
2924AC_SUBST(KRB4LIB)
2925
2926# Solaris requires -lintl if you want strerror (which calls dgettext)
2927# to return localized messages.
2928AC_CHECK_LIB(intl, dgettext)
2929
2930AC_MSG_CHECKING(whether localtime caches TZ)
2931AC_CACHE_VAL(emacs_cv_localtime_cache,
2932[if test x$ac_cv_func_tzset = xyes; then
2933AC_TRY_RUN([#include <time.h>
2934char TZ_GMT0[] = "TZ=GMT0";
2935char TZ_PST8[] = "TZ=PST8";
2936main()
2937{
2938 time_t now = time ((time_t *) 0);
2939 int hour_GMT0, hour_unset;
2940 if (putenv (TZ_GMT0) != 0)
2941 exit (1);
2942 hour_GMT0 = localtime (&now)->tm_hour;
2943 unsetenv("TZ");
2944 hour_unset = localtime (&now)->tm_hour;
2945 if (putenv (TZ_PST8) != 0)
2946 exit (1);
2947 if (localtime (&now)->tm_hour == hour_GMT0)
2948 exit (1);
2949 unsetenv("TZ");
2950 if (localtime (&now)->tm_hour != hour_unset)
2951 exit (1);
2952 exit (0);
2953}], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2954[# If we have tzset, assume the worst when cross-compiling.
2955emacs_cv_localtime_cache=yes])
2956else
2957 # If we lack tzset, report that localtime does not cache TZ,
2958 # since we can't invalidate the cache if we don't have tzset.
2959 emacs_cv_localtime_cache=no
2960fi])dnl
2961AC_MSG_RESULT($emacs_cv_localtime_cache)
2962if test $emacs_cv_localtime_cache = yes; then
2963 AC_DEFINE(LOCALTIME_CACHE, 1,
2964 [Define to 1 if localtime caches TZ.])
2965fi
2966
2967if test "x$HAVE_TIMEVAL" = xyes; then
2968 AC_CHECK_FUNCS(gettimeofday)
2969 if test $ac_cv_func_gettimeofday = yes; then
2970 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2971 emacs_cv_gettimeofday_two_arguments,
2972 [AC_TRY_COMPILE([
2973#ifdef TIME_WITH_SYS_TIME
2974#include <sys/time.h>
2975#include <time.h>
2976#else
2977#ifdef HAVE_SYS_TIME_H
2978#include <sys/time.h>
2979#else
2980#include <time.h>
2981#endif
2982#endif],
2983 [struct timeval time;
2984 gettimeofday (&time, 0);],
2985 emacs_cv_gettimeofday_two_arguments=yes,
2986 emacs_cv_gettimeofday_two_arguments=no)])
2987 if test $emacs_cv_gettimeofday_two_arguments = no; then
2988 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2989 [Define to 1 if gettimeofday accepts only one argument.])
2990 fi
2991 fi
2992fi
2993
2994ok_so_far=yes
2995AC_CHECK_FUNC(socket, , ok_so_far=no)
2996if test $ok_so_far = yes; then
2997 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2998fi
2999if test $ok_so_far = yes; then
3000 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3001fi
3002if test $ok_so_far = yes; then
3003dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3004 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3005 [Define to 1 if you have inet sockets.])
3006fi
3007
3008if test -f /usr/lpp/X11/bin/smt.exp; then
3009 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3010 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3011fi
3012
3013AC_MSG_CHECKING(whether system supports dynamic ptys)
3014if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3015 AC_MSG_RESULT(yes)
3016 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3017else
3018 AC_MSG_RESULT(no)
3019fi
3020
3021AC_FUNC_FORK
3022
3023dnl Adapted from Haible's version.
3024AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3025 [AC_TRY_LINK([#include <langinfo.h>],
3026 [char* cs = nl_langinfo(CODESET);],
3027 emacs_cv_langinfo_codeset=yes,
3028 emacs_cv_langinfo_codeset=no)
3029 ])
3030if test $emacs_cv_langinfo_codeset = yes; then
3031 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3032 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3033fi
3034
3035AC_CHECK_TYPES(size_t)
3036
3037AC_TYPE_MBSTATE_T
3038
067d23c9
KY
3039AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3040 [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
3041 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3042if test "$emacs_cv_c_restrict_arr" = yes; then
3043 AC_DEFINE(__restrict_arr, __restrict,
3044 [Define to compiler's equivalent of C99 restrict keyword in array
3045 declarations. Define as empty for no equivalent.])
3046fi
3047
3048dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3049dnl how the tty code is related to POSIX and/or other versions of termios.
3050dnl The following looks like a useful start.
3051dnl
3052dnl AC_SYS_POSIX_TERMIOS
3053dnl if test $ac_cv_sys_posix_termios = yes; then
3054dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3055dnl and macros for terminal control.])
3056dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3057dnl fi
3058
3059dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
3060
3061# Set up the CFLAGS for real compilation, so we can substitute it.
3062CFLAGS="$REAL_CFLAGS"
3063CPPFLAGS="$REAL_CPPFLAGS"
3064
3065## Hack to detect a buggy GCC version.
3066if test "x$GCC" = xyes \
3067 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3068 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3069 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3070 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3071fi
3072
16fab143 3073version=$PACKAGE_VERSION
067d23c9
KY
3074
3075### Specify what sort of things we'll be editing into Makefile and config.h.
3076### Use configuration here uncanonicalized to avoid exceeding size limits.
3077AC_SUBST(version)
3078AC_SUBST(configuration)
3079## Unused?
3080AC_SUBST(canonical)
3081AC_SUBST(srcdir)
3082AC_SUBST(prefix)
3083AC_SUBST(exec_prefix)
3084AC_SUBST(bindir)
3085AC_SUBST(datadir)
3086AC_SUBST(sharedstatedir)
3087AC_SUBST(libexecdir)
3088AC_SUBST(mandir)
3089AC_SUBST(infodir)
3090AC_SUBST(lispdir)
3091AC_SUBST(locallisppath)
3092AC_SUBST(lisppath)
3093AC_SUBST(x_default_search_path)
3094AC_SUBST(etcdir)
3095AC_SUBST(archlibdir)
3096AC_SUBST(docdir)
3097AC_SUBST(bitmapdir)
3098AC_SUBST(gamedir)
3099AC_SUBST(gameuser)
3100## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3101## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3102## end of LIBX_BASE, but nothing ever set it.
3103AC_SUBST(LD_SWITCH_X_SITE)
3104AC_SUBST(C_SWITCH_X_SITE)
3105AC_SUBST(C_SWITCH_X_SYSTEM)
3106AC_SUBST(CFLAGS)
3107## Used in lwlib/Makefile.in.
3108AC_SUBST(X_TOOLKIT_TYPE)
d6a003a8
AS
3109if test -n "${machfile}"; then
3110 M_FILE="\$(srcdir)/${machfile}"
3111else
3112 M_FILE=
3113fi
3114S_FILE="\$(srcdir)/${opsysfile}"
3115AC_SUBST(M_FILE)
3116AC_SUBST(S_FILE)
067d23c9
KY
3117AC_SUBST(GETLOADAVG_LIBS)
3118AC_SUBST(ns_appdir)
3119AC_SUBST(ns_appbindir)
3120AC_SUBST(ns_appresdir)
3121AC_SUBST(ns_appsrc)
3122AC_SUBST(GNU_OBJC_CFLAGS)
3123AC_SUBST(OTHER_FILES)
3124
3125AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3126 [Define to the canonical Emacs configuration name.])
3127AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3128 [Define to the options passed to configure.])
d6a003a8
AS
3129if test -n "$machfile"; then
3130 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3131 [Define to the used machine dependent file.])
3132fi
067d23c9
KY
3133AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3134 [Define to the used os dependent file.])
3135
3136XMENU_OBJ=
3137XOBJ=
3138FONT_OBJ=
3139if test "${HAVE_X_WINDOWS}" = "yes" ; then
3140 AC_DEFINE(HAVE_X_WINDOWS, 1,
3141 [Define to 1 if you want to use the X window system.])
3142 XMENU_OBJ=xmenu.o
3143 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3144 FONT_OBJ=xfont.o
3145 if test "$HAVE_XFT" = "yes"; then
3146 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3147 elif test "$HAVE_FREETYPE" = "yes"; then
3148 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3149 fi
3150 AC_SUBST(FONT_OBJ)
3151fi
3152AC_SUBST(XMENU_OBJ)
3153AC_SUBST(XOBJ)
3154AC_SUBST(FONT_OBJ)
3155
3156WIDGET_OBJ=
3157MOTIF_LIBW=
3158if test "${USE_X_TOOLKIT}" != "none" ; then
3159 WIDGET_OBJ=widget.o
3160 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3161 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3162 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3163 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3164 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3165 MOTIF_LIBW=-lXm
3166 case "$opsys" in
3167 gnu-linux)
3168 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3169 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3170 ;;
3171
3172 unixware)
3173 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3174 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3175 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3176 ;;
3177
3178 aix4-2)
3179 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3180 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3181 ;;
3182 esac
3183 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3184 fi
3185fi
3186AC_SUBST(WIDGET_OBJ)
3187
3188TOOLKIT_LIBW=
3189case "$USE_X_TOOLKIT" in
3190 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3191 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3192 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3193esac
3194AC_SUBST(TOOLKIT_LIBW)
3195
3196if test "$USE_X_TOOLKIT" = "none"; then
3197 LIBXT_OTHER="\$(LIBXSM)"
3198 OLDXMENU_TARGET="really-oldXMenu"
3199else
3200 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3201 OLDXMENU_TARGET="really-lwlib"
3202fi
3203AC_SUBST(LIBXT_OTHER)
3204
3205## The X Menu stuff is present in the X10 distribution, but missing
3206## from X11. If we have X10, just use the installed library;
3207## otherwise, use our own copy.
3208if test "${HAVE_X11}" = "yes" ; then
3209 AC_DEFINE(HAVE_X11, 1,
3210 [Define to 1 if you want to use version 11 of X windows.
3211 Otherwise, Emacs expects to use version 10.])
3212
3213 if test "$USE_X_TOOLKIT" = "none"; then
3214 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3215 else
3216 OLDXMENU="\${lwlibdir}/liblw.a"
3217 fi
3218 LIBXMENU="\$(OLDXMENU)"
3219 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3220 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3221else
3222 ## For a syntactically valid Makefile; not actually used for anything.
3223 ## See comments in src/Makefile.in.
3224 OLDXMENU=nothing
3225 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3226 if test "${HAVE_X_WINDOWS}" = "yes"; then
3227 LIBXMENU="-lXMenu"
3228 else
3229 LIBXMENU=
3230 fi
3231 LIBX_OTHER=
3232 OLDXMENU_DEPS=
3233fi
3234
3235if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3236 OLDXMENU_TARGET=
b06b1098 3237 OLDXMENU=nothing
067d23c9
KY
3238 LIBXMENU=
3239 OLDXMENU_DEPS=
3240fi
3241
3242AC_SUBST(OLDXMENU_TARGET)
3243AC_SUBST(OLDXMENU)
3244AC_SUBST(LIBXMENU)
3245AC_SUBST(LIBX_OTHER)
3246AC_SUBST(OLDXMENU_DEPS)
3247
3248if test "${HAVE_MENUS}" = "yes" ; then
3249 AC_DEFINE(HAVE_MENUS, 1,
3250 [Define to 1 if you have mouse menus.
3251 (This is automatic if you use X, but the option to specify it remains.)
3252 It is also defined with other window systems that support xmenu.c.])
3253fi
3254
3255if test "${GNU_MALLOC}" = "yes" ; then
3256 AC_DEFINE(GNU_MALLOC, 1,
3257 [Define to 1 if you want to use the GNU memory allocator.])
3258fi
3259
3260RALLOC_OBJ=
3261if test "${REL_ALLOC}" = "yes" ; then
3262 AC_DEFINE(REL_ALLOC, 1,
3263 [Define REL_ALLOC if you want to use the relocating allocator for
3264 buffer space.])
3265
3266 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3267fi
3268AC_SUBST(RALLOC_OBJ)
3269
3270if test "$opsys" = "cygwin"; then
3271 CYGWIN_OBJ="sheap.o"
3272 ## Cygwin differs because of its unexec().
3273 PRE_ALLOC_OBJ=
3274 POST_ALLOC_OBJ=lastfile.o
3275else
3276 CYGWIN_OBJ=
3277 PRE_ALLOC_OBJ=lastfile.o
3278 POST_ALLOC_OBJ=
3279fi
3280AC_SUBST(CYGWIN_OBJ)
3281AC_SUBST(PRE_ALLOC_OBJ)
3282AC_SUBST(POST_ALLOC_OBJ)
3283
3284
3285case "$opsys" in
3286 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3287
3288 darwin)
3289 ## The -headerpad option tells ld (see man page) to leave room at the
3290 ## end of the header for adding load commands. Needed for dumping.
3291 ## 0x690 is the total size of 30 segment load commands (at 56
3292 ## each); under Cocoa 31 commands are required.
3293 if test "$HAVE_NS" = "yes"; then
3294 libs_nsgui="-framework AppKit"
3295 headerpad_extra=6C8
3296 else
3297 libs_nsgui=
3298 headerpad_extra=690
3299 fi
3300 LD_SWITCH_SYSTEM_TEMACS="-prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
b06b1098 3301
067d23c9
KY
3302 ## This is here because src/Makefile.in did some extra fiddling around
3303 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3304 ## #ifndef LD_SWITCH_SYSTEM
3305 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3306 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3307 ## not using gcc, darwin system not on an alpha (ie darwin, since
3308 ## darwin + alpha does not occur).
3309 ## Because this was done in src/Makefile.in, the resulting part of
3310 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3311 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3312 ## rather than LD_SWITCH_SYSTEM.
3313 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3314 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3315 ;;
3316
3317 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3318 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3319 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3320 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3321 ## had different values in configure (in ac_link) and src/Makefile.in.
3322 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3323 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3324
3325 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3326esac
3327
3328if test "$NS_IMPL_GNUSTEP" = "yes"; then
3329 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3330fi
3331
3332AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3333
3334
3335LD_FIRSTFLAG=
3336ORDINARY_LINK=
3337case "$opsys" in
3338 ## gnu: GNU needs its own crt0.
3339 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3340
3341 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3342 ## library search parth, i.e. it won't search /usr/lib for libc and
3343 ## friends. Using -nostartfiles instead avoids this problem, and
3344 ## will also work on earlier NetBSD releases.
3345 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3346
3347 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3348 ## MkLinux/LinuxPPC needs this.
3349 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3350 gnu-*)
3351 case "$machine" in
3352 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3353 esac
3354 ;;
3355esac
3356
3357
3358if test "x$ORDINARY_LINK" = "xyes"; then
3359
3360 LD_FIRSTFLAG=""
3361 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3362
3363## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3364## freebsd, gnu-* not on macppc|ibms390x.
3365elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3366
3367 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3368 ## places that are difficult to figure out at make time. Fortunately,
3369 ## these same versions allow you to pass arbitrary flags on to the
3370 ## linker, so there is no reason not to use it as a linker.
3371 ##
3372 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3373 ## searching for libraries in its internal directories, so we have to
3374 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3375 LD_FIRSTFLAG="-nostdlib"
3376fi
3377
3378## FIXME? What setting of EDIT_LDFLAGS should this have?
3379test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3380
3381AC_SUBST(LD_FIRSTFLAG)
3382
3383
3384## FIXME? The logic here is not precisely the same as that above.
3385## There is no check here for a pre-defined LD_FIRSTFLAG.
3386## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3387LIB_GCC=
3388if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3389
3390 case "$opsys" in
3391 freebsd|netbsd|openbsd) LIB_GCC= ;;
3392
3393 gnu-*)
3394 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3395 ## build on ARM EABI under GNU/Linux. (Bug#5518)
d6a003a8
AS
3396 case $host_cpu in
3397 arm*)
067d23c9 3398 LIB_GCC="-lgcc_s"
d6a003a8
AS
3399 ;;
3400 *)
067d23c9
KY
3401 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3402 ## immediately undefine it again and redefine it to empty.
3403 ## Was the C_SWITCH_X_SITE part really necessary?
3404## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3405 LIB_GCC=
d6a003a8
AS
3406 ;;
3407 esac
067d23c9
KY
3408 ;;
3409
3410 ## Ask GCC where to find libgcc.a.
3411 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3412 esac
3413fi dnl if $GCC
3414AC_SUBST(LIB_GCC)
3415
3416
3417TOOLTIP_SUPPORT=
3418WINDOW_SUPPORT=
3419## If we're using X11/GNUstep, define some consequences.
3420if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3421 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3422 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3423 MOUSE_SUPPORT="\$(REAL_MOUSE_SUPPORT)"
3424 TOOLTIP_SUPPORT="\${lispsource}/mouse.elc"
3425
3426 WINDOW_SUPPORT="\$(BASE_WINDOW_SUPPORT)"
3427 test "$HAVE_X_WINDOWS" = "yes" && \
3428 WINDOW_SUPPORT="$WINDOW_SUPPORT \$(X_WINDOW_SUPPORT)"
3429
3430fi
3431AC_SUBST(MOUSE_SUPPORT)
3432AC_SUBST(TOOLTIP_SUPPORT)
3433AC_SUBST(WINDOW_SUPPORT)
3434
3435
3436AH_TOP([/* GNU Emacs site configuration template file.
73b0cd50
GM
3437
3438Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3439 Free Software Foundation, Inc.
067d23c9
KY
3440
3441This file is part of GNU Emacs.
3442
3443GNU Emacs is free software: you can redistribute it and/or modify
3444it under the terms of the GNU General Public License as published by
3445the Free Software Foundation, either version 3 of the License, or
3446(at your option) any later version.
3447
3448GNU Emacs is distributed in the hope that it will be useful,
3449but WITHOUT ANY WARRANTY; without even the implied warranty of
3450MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3451GNU General Public License for more details.
3452
3453You should have received a copy of the GNU General Public License
3454along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3455
3456
3457/* No code in Emacs #includes config.h twice, but some bits of code
3458 intended to work with other packages as well (like gmalloc.c)
3459 think they can include it as many times as they like. */
3460#ifndef EMACS_CONFIG_H
3461#define EMACS_CONFIG_H
3462])dnl
3463
3464AH_BOTTOM([
3465/* Define AMPERSAND_FULL_NAME if you use the convention
3466 that & in the full name stands for the login id. */
3467/* Turned on June 1996 supposing nobody will mind it. */
3468#define AMPERSAND_FULL_NAME
3469
3470/* If using GNU, then support inline function declarations. */
3471/* Don't try to switch on inline handling as detected by AC_C_INLINE
3472 generally, because even if non-gcc compilers accept `inline', they
3473 may reject `extern inline'. */
3474#if defined (__GNUC__)
3475#define INLINE __inline__
3476#else
3477#define INLINE
3478#endif
3479
3480/* `subprocesses' should be defined if you want to
3481 have code for asynchronous subprocesses
3482 (as used in M-x compile and M-x shell).
3483 Only MSDOS does not support this (it overrides
3484 this in its config_opsysfile below). */
3485
3486#define subprocesses
3487
3488/* Include the os and machine dependent files. */
3489#include config_opsysfile
d6a003a8
AS
3490#ifdef config_machfile
3491# include config_machfile
3492#endif
067d23c9
KY
3493
3494/* GNUstep needs a bit more pure memory. Of the existing knobs,
3495 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3496 (There is probably a better place to do this, but right now the
3497 Cocoa side does this in s/darwin.h and we cannot parallel this
3498 exactly since GNUstep is multi-OS. */
3499#if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3500# define SYSTEM_PURESIZE_EXTRA 30000
3501#endif
3502
3503/* SIGTYPE is the macro we actually use. */
3504#ifndef SIGTYPE
3505#define SIGTYPE RETSIGTYPE
3506#endif
3507
3508#ifdef emacs /* Don't do this for lib-src. */
3509/* Tell regex.c to use a type compatible with Emacs. */
3510#define RE_TRANSLATE_TYPE Lisp_Object
3511#define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3512#ifdef make_number
3513/* If make_number is a macro, use it. */
3514#define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3515#else
3516/* If make_number is a function, avoid it. */
3517#define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3518#endif
3519#endif
3520
067d23c9
KY
3521/* These default definitions are good for almost all machines.
3522 The exceptions override them in m/MACHINE.h. */
3523
3524#ifndef BITS_PER_CHAR
3525#define BITS_PER_CHAR 8
3526#endif
3527
3528#ifndef BITS_PER_SHORT
3529#define BITS_PER_SHORT 16
3530#endif
3531
3532/* Note that lisp.h uses this in a preprocessor conditional, so it
3533 would not work to use sizeof. That being so, we do all of them
3534 without sizeof, for uniformity's sake. */
3535#ifndef BITS_PER_INT
3536#define BITS_PER_INT 32
3537#endif
3538
3539#ifndef BITS_PER_LONG
3540#ifdef _LP64
3541#define BITS_PER_LONG 64
3542#else
3543#define BITS_PER_LONG 32
3544#endif
3545#endif
3546
3547/* Define if the compiler supports function prototypes. It may do so but
3548 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3549#undef PROTOTYPES
3550
3551#include <string.h>
3552#include <stdlib.h>
3553
3554#ifdef HAVE_ALLOCA_H
3555# include <alloca.h>
3556#elif defined __GNUC__
3557# define alloca __builtin_alloca
3558#elif defined _AIX
3559# define alloca __alloca
3560#else
3561# include <stddef.h>
3562# ifdef __cplusplus
3563extern "C"
3564# endif
3565void *alloca (size_t);
3566#endif
3567
3568#ifndef HAVE_SIZE_T
3569typedef unsigned size_t;
3570#endif
3571
3572#ifndef HAVE_STRCHR
3573#define strchr(a, b) index (a, b)
3574#endif
3575
3576#ifndef HAVE_STRRCHR
3577#define strrchr(a, b) rindex (a, b)
3578#endif
3579
3580#if defined __GNUC__ && (__GNUC__ > 2 \
3581 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3582#define NO_RETURN __attribute__ ((__noreturn__))
3583#else
3584#define NO_RETURN /* nothing */
3585#endif
3586
3587#if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3588#define NO_INLINE __attribute__((noinline))
3589#else
3590#define NO_INLINE
3591#endif
3592
3593#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3594#define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3595#else
3596#define EXTERNALLY_VISIBLE
3597#endif
3598
3599/* Some versions of GNU/Linux define noinline in their headers. */
3600#ifdef noinline
3601#undef noinline
3602#endif
3603
3604/* These won't be used automatically yet. We also need to know, at least,
3605 that the stack is continuous. */
3606#ifdef __GNUC__
3607# ifndef GC_SETJMP_WORKS
3608 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3609# define GC_SETJMP_WORKS 1
3610# endif
3611# ifndef GC_LISP_OBJECT_ALIGNMENT
3612# define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3613# endif
3614#endif
3615
3616#endif /* EMACS_CONFIG_H */
3617
3618/*
3619Local Variables:
3620mode: c
3621End:
3622*/
3623])dnl
3624
3625#### Report on what we decided to do.
3626#### Report GTK as a toolkit, even if it doesn't use Xt.
3627#### It makes printing result more understandable as using GTK sets
3628#### toolkit_scroll_bars to yes by default.
3629if test "${HAVE_GTK}" = "yes"; then
3630 USE_X_TOOLKIT=GTK
3631fi
3632
2b7f50d8
AS
3633and_machfile=
3634if test -n "$machfile"; then
3635 and_machfile=" and \`${machfile}'"
3636fi
3637
067d23c9
KY
3638echo "
3639Configured for \`${canonical}'.
3640
3641 Where should the build process find the source code? ${srcdir}
3642 What operating system and machine description files should Emacs use?
2b7f50d8 3643 \`${opsysfile}'${and_machfile}
067d23c9
KY
3644 What compiler should emacs be built with? ${CC} ${CFLAGS}
3645 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3646 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3647 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3648 What window system should Emacs use? ${window_system}
3649 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3650
3651if test -n "${x_includes}"; then
3652echo " Where do we find X Windows header files? ${x_includes}"
3653else
3654echo " Where do we find X Windows header files? Standard dirs"
3655fi
3656if test -n "${x_libraries}"; then
3657echo " Where do we find X Windows libraries? ${x_libraries}"
3658else
3659echo " Where do we find X Windows libraries? Standard dirs"
3660fi
3661
3662echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3663echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3664echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3665echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3666echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3667echo " Does Emacs use -lpng? ${HAVE_PNG}"
3668echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3669echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3670
3671echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3672echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3673echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3674echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3675echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
3676echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3677
3678echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3679echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3680echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3681echo " Does Emacs use -lxft? ${HAVE_XFT}"
3682
3683echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3684echo
3685
3686if test $USE_XASSERTS = yes; then
3687 echo " Compiling with asserts turned on."
3688 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3689fi
3690
3691echo
3692
3693if test "$HAVE_NS" = "yes"; then
3694 echo
3695 echo "You must run \"make install\" in order to test the built application.
3696The installed application will go to nextstep/Emacs.app and can be
3697run or moved from there."
3698 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3699 echo "The application will be fully self-contained."
3700 else
3701 echo "The lisp resources for the application will be installed under ${prefix}.
3702You may need to run \"make install\" with sudo. The application will fail
3703to run if these resources are not installed."
3704 fi
3705 echo
3706fi
3707
3708
3709# Remove any trailing slashes in these variables.
3710[test "${prefix}" != NONE &&
3711 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3712test "${exec_prefix}" != NONE &&
3713 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3714
3715dnl You might wonder (I did) why epaths.h is generated by running make,
3716dnl rather than just letting configure generate it from epaths.in.
3717dnl One reason is that the various paths are not fully expanded (see above);
3718dnl eg gamedir=${prefix}/var/games/emacs.
3719dnl Secondly, the GNU Coding standards require that one should be able
3720dnl to run `make prefix=/some/where/else' and override the values set
3721dnl by configure. This also explains the `move-if-change' test and
3722dnl the use of force in the `epaths-force' rule in Makefile.in.
9a514d4a 3723AC_OUTPUT(Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
067d23c9
KY
3724 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3725 doc/lispref/Makefile src/Makefile \
d221e780 3726 lwlib/Makefile lisp/Makefile leim/Makefile test/automated/Makefile, [
067d23c9
KY
3727
3728### Make the necessary directories, if they don't exist.
3729for dir in etc lisp ; do
3730 test -d ${dir} || mkdir ${dir}
3731done
3732
3733echo creating src/epaths.h
3734${MAKE-make} epaths-force
3735
3736if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3737 echo creating src/.gdbinit
3738 echo source $srcdir/src/.gdbinit > src/.gdbinit
3739fi
3740
3741], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])