1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2011 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.0.50)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
30 dnl Support for --program-prefix, --program-suffix and
31 dnl --program-transform-name options
34 dnl It is important that variables on the RHS not be expanded here,
35 dnl hence the single quotes. This is per the GNU coding standards, see
36 dnl (autoconf) Installation Directory Variables
37 dnl See also epaths.h below.
38 lispdir='${datadir}/emacs/${version}/lisp'
39 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
40 '${datadir}/emacs/site-lisp'
41 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
42 etcdir='${datadir}/emacs/${version}/etc'
43 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
44 docdir='${datadir}/emacs/${version}/etc'
45 gamedir='${localstatedir}/games/emacs'
47 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
48 dnl Create a new --with option that defaults to being disabled.
49 dnl NAME is the base name of the option. The shell variable with_NAME
50 dnl will be set to either the user's value (if the option is
51 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
52 dnl option is not specified). Note that the shell variable name is
53 dnl constructed as autoconf does, by replacing non-alphanumeric
54 dnl characters with "_".
55 dnl HELP-STRING is the help text for the option.
56 AC_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
61 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
62 dnl Create a new --with option that defaults to being enabled. NAME
63 dnl is the base name of the option. The shell variable with_NAME
64 dnl will be set either to 'no' (for a plain --without-NAME) or to
65 dnl 'yes' (if the option is not specified). Note that the shell
66 dnl variable name is constructed as autoconf does, by replacing
67 dnl non-alphanumeric characters with "_".
68 dnl HELP-STRING is the help text for the option.
69 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
70 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
71 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
74 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
75 if test "$with_pop" = yes; then
76 AC_DEFINE(MAIL_USE_POP)
78 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
80 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
81 if test "$with_kerberos" != no; then
85 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
87 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
88 if test "${with_kerberos5}" != no; then
89 if test "${with_kerberos}" = no; then
93 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
96 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
97 dnl FIXME hesiod support may not be present, so it seems like an error
98 dnl to define, or at least use, this unconditionally.
99 if test "$with_hesiod" != no; then
100 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
103 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
104 if test "$with_mmdf" != no; then
105 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
108 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
109 if test "$with_mail_unlink" != no; then
110 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
113 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
114 [string giving default POP mail host])],
115 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
117 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
119 OPTION_DEFAULT_ON([sync-input],[process async input synchronously])
120 if test "$with_sync_input" = yes; then
121 AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
124 dnl FIXME currently it is not the last.
125 dnl This should be the last --with option, because --with-x is
126 dnl added later on when we find the path of X, and it's best to
127 dnl keep them together visually.
128 AC_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 "${withval}" in
131 y | ye | yes ) val=gtk ;;
133 l | lu | luc | luci | lucid ) val=lucid ;;
134 a | at | ath | athe | athen | athena ) val=athena ;;
135 m | mo | mot | moti | motif ) val=motif ;;
136 g | gt | gtk ) val=gtk ;;
139 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
140 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk' or
141 `gtk3'. `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
147 dnl _ON results in a '--without' option in the --help output, so
148 dnl the help text should refer to "don't compile", etc.
149 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
150 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
151 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
152 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
153 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
154 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
155 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
156 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
158 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
159 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
160 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
162 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
163 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
164 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
165 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
167 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
168 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
169 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
170 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
171 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
173 ## For the times when you want to build Emacs but don't have
174 ## a suitable makeinfo, and can live without the manuals.
175 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
176 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
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.
180 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
181 if test $with_compress_info = yes; then
188 AC_ARG_WITH([pkg-config-prog],dnl
189 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
190 [path to pkg-config for finding GTK and librsvg])])
191 if test "X${with_pkg_config_prog}" != X; then
192 if test "${with_pkg_config_prog}" != yes; then
193 PKG_CONFIG="${with_pkg_config_prog}"
198 AC_ARG_WITH([crt-dir],dnl
199 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
200 The default is /usr/lib, or /usr/lib64 on some platforms.])])
201 CRT_DIR="${with_crt_dir}"
203 AC_ARG_WITH(gameuser,dnl
204 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
205 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
206 && gameuser="${with_gameuser}"
207 test "X$gameuser" = X && gameuser=games
209 AC_ARG_WITH([gnustep-conf],dnl
210 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
211 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
212 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
213 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
214 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
216 AC_ARG_ENABLE(ns-self-contained,
217 [AS_HELP_STRING([--disable-ns-self-contained],
218 [disable self contained build under NeXTstep])],
219 EN_NS_SELF_CONTAINED=$enableval,
220 EN_NS_SELF_CONTAINED=yes)
222 AC_ARG_ENABLE(asserts,
223 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
224 USE_XASSERTS=$enableval,
227 AC_ARG_ENABLE(maintainer-mode,
228 [AS_HELP_STRING([--enable-maintainer-mode],
229 [enable make rules and dependencies not useful (and sometimes
230 confusing) to the casual installer])],
231 USE_MAINTAINER_MODE=$enableval,
232 USE_MAINTAINER_MODE=yes)
233 if test $USE_MAINTAINER_MODE = yes; then
240 AC_ARG_ENABLE(locallisppath,
241 [AS_HELP_STRING([--enable-locallisppath=PATH],
242 [directories Emacs should search for lisp files specific
244 if test "${enableval}" = "no"; then
246 elif test "${enableval}" != "yes"; then
247 locallisppath=${enableval}
250 AC_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="${enableval}"],[])
258 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
259 for check in $ac_checking_flags
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 $check) ;;
287 if test x$ac_enable_checking != x ; then
288 AC_DEFINE(ENABLE_CHECKING, 1,
289 [Enable expensive run-time checking of data types?])
291 if test x$ac_gc_check_stringbytes != x ; then
292 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
293 [Define this temporarily to hunt a bug. If defined, the size of
294 strings is redundantly recorded in sdata structures so that it can
295 be compared to the sizes recorded in Lisp strings.])
297 if test x$ac_gc_check_string_overrun != x ; then
298 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
299 [Define this to check for short string overrun.])
301 if test x$ac_gc_check_string_free_list != x ; then
302 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
303 [Define this to check the string free list.])
305 if test x$ac_xmalloc_overrun != x ; then
306 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
307 [Define this to check for malloc buffer overrun.])
309 if test x$ac_gc_check_cons_list != x ; then
310 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
311 [Define this to check for errors in cons list.])
314 AC_ARG_ENABLE(use-lisp-union-type,
315 [AS_HELP_STRING([--enable-use-lisp-union-type],
316 [use a union for the Lisp_Object data type.
317 This is only useful for development for catching certain types of bugs.])],
318 if test "${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.])
324 AC_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="${enableval}"],[])
329 if test x$ac_enable_profiling != x ; then
330 PROFILING_CFLAGS="-DPROFILING=1 -pg"
334 AC_SUBST(PROFILING_CFLAGS)
336 AC_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
341 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
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).
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`" ;
361 srcdir="`(cd ${srcdir}; pwd)`"
364 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
367 #### Check if the source directory already has a configured system in it.
368 if 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 $0 again.]])
378 #### Given the configuration name, set machfile and opsysfile to the
379 #### names of the m/*.h and s/*.h files we should use.
381 ### Canonicalize the configuration name.
385 configuration=${host_alias-${build_alias-$host}}
387 dnl This used to use changequote, but, apart from `changequote is evil'
388 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
389 dnl the great gob of text. Thus it's not processed for possible expansion.
390 dnl Just make sure the brackets remain balanced.
392 dnl Since Emacs can't find matching pairs of quotes, boundaries are
393 dnl indicated by comments.
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.
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.
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.
415 machine='' opsys='' unported=no
416 case "${canonical}" in
422 alpha*) machine=alpha ;;
423 s390-*) machine=ibms390 ;;
424 s390x-*) machine=ibms390x ;;
425 powerpc*) machine=macppc ;;
426 sparc*) machine=sparc ;;
427 ia64*) machine=ia64 ;;
428 m68k*) machine=m68k ;;
429 x86_64*) machine=amdx86-64 ;;
436 case "${canonical}" in
437 alpha*) machine=alpha ;;
438 amd64-*|x86_64-*) machine=amdx86-64 ;;
439 ia64-*) machine=ia64 ;;
440 i[3456]86-*) machine=intel386 ;;
441 powerpc-*) machine=macppc ;;
442 sparc-*) machine=sparc ;;
443 sparc64-*) machine=sparc ;;
447 ## FreeBSD kernel + glibc based userland
450 case "${canonical}" in
451 alpha*) machine=alpha ;;
452 amd64-*|x86_64-*) machine=amdx86-64 ;;
453 ia64-*) machine=ia64 ;;
454 i[3456]86-*) machine=intel386 ;;
455 powerpc-*) machine=macppc ;;
456 sparc-*) machine=sparc ;;
457 sparc64-*) machine=sparc ;;
464 case "${canonical}" in
465 alpha*) machine=alpha ;;
466 x86_64-*) machine=amdx86-64 ;;
467 i[3456]86-*) machine=intel386 ;;
468 m68k-*) machine=m68k ;;
469 powerpc-*) machine=macppc ;;
470 sparc*-) machine=sparc ;;
471 vax-*) machine=vax ;;
478 case "${canonical}" in
479 alpha*) machine=alpha ;;
480 x86_64-*) machine=amdx86-64 ;;
481 i386-*) machine=intel386 ;;
482 powerpc-*) machine=macppc ;;
483 sparc*) machine=sparc ;;
484 vax-*) machine=vax ;;
488 ## Apple Darwin / Mac OS X
490 case "${canonical}" in
491 i[3456]86-* ) machine=intel386 ;;
492 powerpc-* ) machine=macppc ;;
493 x86_64-* ) machine=amdx86-64 ;;
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}
507 ## HP 9000 series 700 and 800, running HP/UX
511 hppa*-hp-hpux1[1-9]* )
513 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
516 ia64*-hp-hpux1[1-9]* )
517 machine=hp800 opsys=hpux11
518 ## FIXME. Peter O'Gorman reports that dumping using unexelf.o doesn't
519 ## work either: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=6811
524 machine=hp800 opsys=gnu-linux
528 rs6000-ibm-aix4.[23]* )
529 machine=ibmrs6000 opsys=aix4-2
531 powerpc-ibm-aix4.[23]* )
532 machine=ibmrs6000 opsys=aix4-2
534 rs6000-ibm-aix[56]* )
535 machine=ibmrs6000 opsys=aix4-2
537 powerpc-ibm-aix[56]* )
538 machine=ibmrs6000 opsys=aix4-2
541 ## Silicon Graphics machines
544 machine=iris4d opsys=irix6-5
545 # Without defining _LANGUAGE_C, things get masked out in the headers
546 # so that, for instance, grepping for `free' in stdlib.h fails and
547 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
548 NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
549 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
554 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
555 | x86_64-*-solaris2* | x86_64-*-sunos5*)
556 case "${canonical}" in
557 i[3456]86-*-* ) machine=intel386 ;;
558 amd64-*-*|x86_64-*-*) machine=amdx86-64 ;;
559 sparc* ) machine=sparc ;;
562 case "${canonical}" in
563 *-sunos5.6* | *-solaris2.6* )
565 NON_GNU_CPP=/usr/ccs/lib/cpp
568 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
570 emacs_check_sunpro_c=yes
571 NON_GNU_CPP=/usr/ccs/lib/cpp
573 *-sunos5* | *-solaris* )
575 emacs_check_sunpro_c=yes
576 NON_GNU_CPP=/usr/ccs/lib/cpp
579 ## Watch out for a compiler that we know will not work.
580 case "${canonical}" in
581 *-solaris* | *-sunos5* )
582 if [ "x$CC" = x/usr/ucb/cc ]; then
583 ## /usr/ucb/cc doesn't work;
584 ## we should find some other compiler that does work.
592 ## Intel 386 machines where we don't care about the manufacturer.
595 case "${canonical}" in
596 *-cygwin ) opsys=cygwin ;;
597 *-darwin* ) opsys=darwin
598 CPP="${CC-cc} -E -no-cpp-precomp"
600 *-sysv4.2uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
601 *-sysv5uw* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
602 *-sysv5OpenUNIX* ) opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
603 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
612 ### If the code above didn't choose an operating system, just choose
613 ### an operating system based on the configuration name. You really
614 ### only want to use this when you have no idea what the right
615 ### operating system is; if you know what operating systems a machine
616 ### runs, it's cleaner to make it explicit in the case statement
618 if test x"${opsys}" = x; then
619 case "${canonical}" in
620 *-gnu* ) opsys=gnu ;;
630 if test $unported = yes; then
631 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
632 Check `etc/MACHINES' for recognized configuration names.])
635 if test -n "$machine"; then
636 machfile="m/${machine}.h"
640 opsysfile="s/${opsys}.h"
643 #### Choose a compiler.
644 test -n "$CC" && cc_specified=yes
646 # Save the value of CFLAGS that the user specified.
647 SPECIFIED_CFLAGS="$CFLAGS"
649 dnl Sets GCC=yes if using gcc.
653 # Initialize gnulib right after verifying that the C compiler works.
656 # On Suns, sometimes $CPP names a directory.
657 if test -n "$CPP" && test -d "$CPP"; then
661 ## If not using gcc, and on Solaris, and no CPP specified, see if
662 ## using a Sun compiler, which needs -Xs to prevent whitespace.
663 if test x"$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_LINK_IFELSE([AC_LANG_PROGRAM([[]],
671 ]])], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
672 AC_MSG_RESULT($emacs_cv_sunpro_c)
674 if test x"$emacs_cv_sunpro_c" = xyes; then
675 NON_GNU_CPP="$CC -E -Xs"
679 #### Some systems specify a CPP to use unless we are using GCC.
680 #### Now that we know whether we are using GCC, we can decide whether
681 #### to use that one.
682 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
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.
690 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
691 test x$cc_specified != xyes
696 if test x$GCC = xyes; then
697 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
699 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
702 ### Use -Wdeclaration-after-statement if the compiler supports it
703 AC_MSG_CHECKING([whether gcc understands -Wdeclaration-after-statement])
704 SAVE_CFLAGS="$CFLAGS"
705 CFLAGS="$CFLAGS -Wdeclaration-after-statement"
706 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
707 if test $has_option = yes; then
708 C_WARNINGS_SWITCH="-Wdeclaration-after-statement $C_WARNINGS_SWITCH"
710 AC_MSG_RESULT($has_option)
711 CFLAGS="$SAVE_CFLAGS"
715 ### Use -Wold-style-definition if the compiler supports it
716 # This can be removed when conversion to standard C is finished.
717 AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
718 SAVE_CFLAGS="$CFLAGS"
719 CFLAGS="$CFLAGS -Wold-style-definition"
720 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
721 if test $has_option = yes; then
722 C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
724 AC_MSG_RESULT($has_option)
725 CFLAGS="$SAVE_CFLAGS"
729 ### Use -Wimplicit-function-declaration if the compiler supports it
730 AC_MSG_CHECKING([whether gcc understands -Wimplicit-function-declaration])
731 SAVE_CFLAGS="$CFLAGS"
732 CFLAGS="$CFLAGS -Wimplicit-function-declaration"
733 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], has_option=yes, has_option=no)
734 if test $has_option = yes; then
735 C_WARNINGS_SWITCH="-Wimplicit-function-declaration $C_WARNINGS_SWITCH"
737 AC_MSG_RESULT($has_option)
738 CFLAGS="$SAVE_CFLAGS"
742 AC_SUBST(C_WARNINGS_SWITCH)
745 #### Some other nice autoconf tests.
747 dnl checks for programs
750 if test "x$RANLIB" = x; then
754 ## Although we're running on an amd64 kernel, we're actually compiling for
755 ## the x86 architecture. The user should probably have provided an
756 ## explicit --build to `configure', but if everything else than the kernel
757 ## is running in i386 mode, we can help them out.
758 if test "$machine" = "amdx86-64"; then
759 AC_CHECK_DECL([i386])
760 if test "$ac_cv_have_decl_i386" = "yes"; then
761 canonical=`echo "$canonical" | sed -e 's/^amd64/i386/' -e 's/^x86_64/i386/'`
763 machfile="m/${machine}.h"
767 AC_PATH_PROG(INSTALL_INFO, install-info)
768 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
769 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
770 dnl Don't use GZIP, which is used by gzip for additional parameters.
771 AC_PATH_PROG(GZIP_PROG, gzip)
774 ## Need makeinfo >= 4.6 (?) to build the manuals.
775 AC_PATH_PROG(MAKEINFO, makeinfo, no)
776 dnl By this stage, configure has already checked for egrep and set EGREP,
777 dnl or exited with an error if no egrep was found.
778 if test "$MAKEINFO" != "no" && \
779 test x"`$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
783 ## Makeinfo is unusual. For a released Emacs, the manuals are
784 ## pre-built, and not deleted by the normal clean rules. makeinfo is
785 ## therefore in the category of "special tools" not normally required, which
786 ## configure does not have to check for (eg autoconf itself).
787 ## In a Bazaar checkout on the other hand, the manuals are not included.
788 ## So makeinfo is a requirement to build from Bazaar, and configure
789 ## should test for it as it does for any other build requirement.
790 ## We use the presence of $srcdir/info/emacs to distinguish a release,
791 ## with pre-built manuals, from a Bazaar checkout.
794 if test "$MAKEINFO" = "no"; then
796 if test "x${with_makeinfo}" = "xno"; then
798 elif test ! -e $srcdir/info/emacs; then
799 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
800 source tree does not seem to have pre-built manuals in the `info' directory.
801 Either install a suitable version of makeinfo, or re-run configure
802 with the `--without-makeinfo' option to build without the manuals.] )
805 AC_SUBST(HAVE_MAKEINFO)
807 dnl Add our options to ac_link now, after it is set up.
809 if test x$GCC = xyes; then
810 test "x$GCC_LINK_TEST_OPTIONS" != x && \
811 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
813 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
814 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
817 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
818 dnl If we can link with the flag, it shouldn't do any harm anyhow.
819 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
820 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
821 dnl if not built to support GNU ld.
823 late_LDFLAGS=$LDFLAGS
824 if test x$GCC = xyes; then
825 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
827 LDFLAGS="$LDFLAGS -znocombreloc"
830 AC_MSG_CHECKING([for -znocombreloc])
831 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
832 [AC_MSG_RESULT(yes)],
833 LDFLAGS=$late_LDFLAGS
837 # The value of CPP is a quoted variable reference, so we need to do this
838 # to get its actual value...
839 CPP=`eval "echo $CPP"`
842 dnl The function dump-emacs will not be defined and temacs will do
843 dnl (load "loadup") automatically unless told otherwise.
844 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
846 your-opsys-here) CANNOT_DUMP=yes ;;
849 test "$CANNOT_DUMP" = "yes" && \
850 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
852 AC_SUBST(CANNOT_DUMP)
857 # MSDOS uses unexcoff.o
858 # MSWindows uses unexw32.o
866 UNEXEC_OBJ=unexmacosx.o
869 UNEXEC_OBJ=unexhp9k800.o
872 # Use the Solaris dldump() function, called from unexsol.c, to dump
873 # emacs, instead of the generic ELF dump code found in unexelf.c.
874 # The resulting binary has a complete symbol table, and is better
875 # for debugging and other observability tools (debuggers, pstack, etc).
877 # If you encounter a problem using dldump(), please consider sending
878 # a message to the OpenSolaris tools-linking mailing list:
879 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
881 # It is likely that dldump() works with older Solaris too, but this has
882 # not been tested, so for now this change is for Solaris 10 or newer.
890 ## Let `ld' find image libs and similar things in /usr/local/lib.
891 ## The system compiler, GCC, has apparently been modified to not
892 ## look there, contrary to what a stock GCC would do.
893 LD_SWITCH_SYSTEM=-L/usr/local/lib
897 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
898 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
902 LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
906 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
907 ## otherwise Emacs dumps core on elf systems.
908 LD_SWITCH_SYSTEM="-Z"
911 AC_SUBST(LD_SWITCH_SYSTEM)
913 ac_link="$ac_link $LD_SWITCH_SYSTEM"
915 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_AUX,
916 ## which has not been defined yet. When this was handled with cpp,
917 ## it was expanded to null when configure sourced the s/*.h file.
918 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
919 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
920 ## (or somesuch), but because it is supposed to go at the _front_
921 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
922 ## Compare with the gnu-linux case below, which added to the end
923 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
924 ## LD_SWITCH_SYSTEM_TEMACS.
927 ## _AUX_RPATH is like _AUX, but uses -rpath instead of -R.
928 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_AUX_RPATH) $LD_SWITCH_SYSTEM" ;;
933 if test "$machine" = "alpha"; then
934 AC_CHECK_DECL([__ELF__])
935 if test "$ac_cv_have_decl___ELF__" = "yes"; then
936 ## With ELF, make sure that all common symbols get allocated to in the
937 ## data section. Otherwise, the dump of temacs may miss variables in
938 ## the shared library that have been initialized. For example, with
939 ## GNU libc, __malloc_initialized would normally be resolved to the
940 ## shared library's .bss section, which is fatal.
941 if test "x$GCC" = "xyes"; then
942 C_SWITCH_MACHINE="-fno-common"
944 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
947 UNEXEC_OBJ=unexalpha.o
950 AC_SUBST(C_SWITCH_MACHINE)
955 ## Some programs in src produce warnings saying certain subprograms
956 ## are too complex and need a MAXMEM value greater than 2000 for
957 ## additional optimization. --nils@exp-math.uni-essen.de
958 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
959 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
960 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
961 ## It is redundant in glibc2, since we define _GNU_SOURCE.
962 AC_SUBST(C_SWITCH_SYSTEM)
967 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
968 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
970 freebsd) LIBS_SYSTEM="-lutil" ;;
972 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
974 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
976 ## Motif needs -lgen.
977 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
979 AC_SUBST(LIBS_SYSTEM)
982 ### Make sure subsequent tests use flags consistent with the build flags.
984 if test x"${OVERRIDE_CPPFLAGS}" != x; then
985 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
987 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
990 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
991 AC_DEFUN([AC_TYPE_SIZE_T])
993 dnl Do this early because it can frob feature test macros for Unix-98 &c.
997 ## If user specified a crt-dir, use that unconditionally.
998 if test "X$CRT_DIR" = "X"; then
1000 case "$canonical" in
1001 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1002 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1003 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1004 ## For anything else (eg /usr/lib32), it is up the user to specify
1005 ## the location (bug#5655).
1006 ## Test for crtn.o, not just the directory, because sometimes the
1007 ## directory exists but does not have the relevant files (bug#1287).
1008 ## FIXME better to test for binary compatibility somehow.
1009 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1012 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1016 hpux10-20) CRT_DIR=/lib ;;
1019 ## Default is /usr/lib.
1020 test "X$CRT_DIR" = "X" && CRT_DIR=/usr/lib
1024 ## Some platforms don't use any of these files, so it is not
1025 ## appropriate to put this test outside the if block.
1026 test -e $CRT_DIR/crtn.o || test -e $CRT_DIR/crt0.o || \
1027 AC_MSG_ERROR([crt*.o not found in specified location.])
1040 START_FILES='pre-crt0.o'
1043 ## Adding -lm confuses the dynamic linker, so omit it.
1045 START_FILES='pre-crt0.o'
1048 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1049 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1051 gnu-linux | gnu-kfreebsd )
1052 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1053 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1055 hpux10-20 | hpux11 )
1057 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1060 if test -f $CRT_DIR/crti.o; then
1061 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1062 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1064 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1065 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1071 AC_SUBST(START_FILES)
1073 dnl This function definition taken from Gnome 2.0
1074 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1075 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1076 dnl also defines GSTUFF_PKG_ERRORS on error
1077 AC_DEFUN([PKG_CHECK_MODULES], [
1080 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1082 if test "$PKG_CONFIG" = "no" ; then
1083 ifelse([$4], , [AC_MSG_ERROR([
1084 *** 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])
1086 PKG_CONFIG_MIN_VERSION=0.9.0
1087 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1088 AC_MSG_CHECKING(for $2)
1090 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1094 AC_MSG_CHECKING($1_CFLAGS)
1095 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1096 AC_MSG_RESULT($$1_CFLAGS)
1098 AC_MSG_CHECKING($1_LIBS)
1099 $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1100 AC_MSG_RESULT($$1_LIBS)
1105 ## If we have a custom action on failure, don't print errors, but
1106 ## do set a variable so people can do so.
1107 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1108 ifelse([$4], ,echo $$1_PKG_ERRORS,)
1114 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1115 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1119 if test $succeeded = yes; then
1120 ifelse([$3], , :, [$3])
1122 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.])], [$4])
1127 if test "${with_sound}" != "no"; then
1128 # Sound support for GNU/Linux and the free BSDs.
1129 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1130 have_sound_header=yes)
1131 # Emulation library used on NetBSD.
1132 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1136 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1137 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1138 if test $HAVE_ALSA = yes; then
1139 SAVE_CFLAGS="$CFLAGS"
1140 SAVE_LDFLAGS="$LDFLAGS"
1141 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1142 LDFLAGS="$ALSA_LIBS $LDFLAGS"
1143 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1144 emacs_alsa_normal=yes,
1145 emacs_alsa_normal=no)
1146 if test "$emacs_alsa_normal" != yes; then
1147 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1148 [[snd_lib_error_set_handler (0);]])],
1149 emacs_alsa_subdir=yes,
1150 emacs_alsa_subdir=no)
1151 if test "$emacs_alsa_subdir" != yes; then
1152 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1154 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1157 CFLAGS="$SAVE_CFLAGS"
1158 LDFLAGS="$SAVE_LDFLAGS"
1159 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1160 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1161 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1164 dnl Define HAVE_SOUND if we have sound support. We know it works and
1165 dnl compiles only on the specified platforms. For others, it
1166 dnl probably doesn't make sense to try.
1167 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1169 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1170 gnu-linux|freebsd|netbsd)
1171 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1176 AC_SUBST(CFLAGS_SOUND)
1179 dnl checks for header files
1180 AC_CHECK_HEADERS(sys/select.h sys/time.h unistd.h utime.h \
1181 linux/version.h sys/systeminfo.h limits.h \
1182 stdio_ext.h fcntl.h coff.h pty.h sys/mman.h \
1183 sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1184 sys/utsname.h pwd.h utmp.h dirent.h util.h)
1186 AC_MSG_CHECKING(if personality LINUX32 can be set)
1187 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1188 emacs_cv_personality_linux32=yes,
1189 emacs_cv_personality_linux32=no)
1190 AC_MSG_RESULT($emacs_cv_personality_linux32)
1192 if test $emacs_cv_personality_linux32 = yes; then
1193 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1194 [Define to 1 if personality LINUX32 can be set.])
1197 dnl On Solaris 8 there's a compilation warning for term.h because
1198 dnl it doesn't define `bool'.
1199 AC_CHECK_HEADERS(term.h, , , -)
1202 AC_CHECK_DECLS([sys_siglist])
1203 if test $ac_cv_have_decl_sys_siglist != yes; then
1204 # For Tru64, at least:
1205 AC_CHECK_DECLS([__sys_siglist])
1206 if test $ac_cv_have_decl___sys_siglist = yes; then
1207 AC_DEFINE(sys_siglist, __sys_siglist,
1208 [Define to any substitute for sys_siglist.])
1213 dnl Some systems have utime.h but don't declare the struct anyplace.
1214 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1215 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1216 #include <sys/time.h>
1219 #ifdef HAVE_SYS_TIME_H
1220 #include <sys/time.h>
1227 #endif]], [[static struct utimbuf x; x.actime = x.modtime;]])],
1228 emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1229 if test $emacs_cv_struct_utimbuf = yes; then
1230 AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1233 dnl Check for speed_t typedef.
1234 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1235 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1236 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1237 if test $emacs_cv_speed_t = yes; then
1238 AC_DEFINE(HAVE_SPEED_T, 1,
1239 [Define to 1 if `speed_t' is declared by <termios.h>.])
1242 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1243 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef TIME_WITH_SYS_TIME
1244 #include <sys/time.h>
1247 #ifdef HAVE_SYS_TIME_H
1248 #include <sys/time.h>
1252 #endif]], [[static struct timeval x; x.tv_sec = x.tv_usec;]])],
1253 emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1254 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1255 if test $emacs_cv_struct_timeval = yes; then
1256 AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1259 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1260 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],
1261 [[static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;]])],
1262 emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1263 HAVE_EXCEPTION=$emacs_cv_struct_exception
1264 if test $emacs_cv_struct_exception != yes; then
1265 AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1268 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1269 #if HAVE_SYS_SOCKET_H
1270 #include <sys/socket.h>
1273 dnl checks for structure members
1276 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1277 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1278 [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1279 [#include <time.h>])
1280 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1281 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1282 struct ifreq.ifr_addr], , ,
1283 [AC_INCLUDES_DEFAULT
1284 #if HAVE_SYS_SOCKET_H
1285 #include <sys/socket.h>
1291 dnl checks for compiler characteristics
1293 dnl Testing __STDC__ to determine prototype support isn't good enough.
1294 dnl DEC C, for instance, doesn't define it with default options, and
1295 dnl is used on 64-bit systems (OSF Alphas). Similarly for volatile
1300 dnl This isn't useful because we can't turn on use of `inline' unless
1301 dnl the compiler groks `extern inline'.
1303 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1304 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
1305 emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1306 if test $emacs_cv_void_star = yes; then
1307 AC_DEFINE(POINTER_TYPE, void)
1309 AC_DEFINE(POINTER_TYPE, char)
1311 AH_TEMPLATE(POINTER_TYPE,
1312 [Define as `void' if your compiler accepts `void *'; otherwise
1313 define as `char'.])dnl
1315 dnl Check for endianess
1318 AC_CACHE_CHECK([for __attribute__ ((__aligned__ (expr)))],
1319 [emacs_cv_attribute_aligned],
1322 [[char __attribute__ ((__aligned__ (1 << 3))) c;]],
1324 [emacs_cv_attribute_aligned=yes],
1325 [emacs_cv_attribute_aligned=no])])
1326 if test $emacs_cv_attribute_aligned = yes; then
1327 AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1,
1328 [Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works.])
1331 dnl check for Make feature
1337 dnl check for GNU Make if we have GCC and autodepend is on.
1338 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1339 AC_MSG_CHECKING([whether we are using GNU Make])
1341 testval=`make --version 2>/dev/null | grep 'GNU Make'`
1342 if test "x$testval" != x; then
1345 ac_enable_autodepend=no
1347 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1348 if test $HAVE_GNU_MAKE = yes; then
1349 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1350 SAVE_CFLAGS="$CFLAGS"
1351 CFLAGS="$CFLAGS -MMD -MF deps.d"
1352 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1353 CFLAGS="$SAVE_CFLAGS"
1354 test -f deps.d || ac_enable_autodepend=no
1356 AC_MSG_RESULT([$ac_enable_autodepend])
1358 if test $ac_enable_autodepend = yes; then
1359 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d'
1360 ## In parallel builds, another make might create depdir between
1361 ## the first test and mkdir, so stick another test on the end.
1362 ## Or use install-sh -d? mkdir -p is not portable.
1363 MKDEPDIR='test -d ${DEPDIR} || mkdir ${DEPDIR} || test -d ${DEPDIR}'
1364 deps_frag=autodeps.mk
1367 deps_frag=$srcdir/src/$deps_frag
1370 AC_SUBST_FILE(deps_frag)
1373 dnl checks for operating system services
1374 AC_SYS_LONG_FILE_NAMES
1376 #### Choose a window system.
1379 if test "$no_x" = yes; then
1385 ## Workaround for bug in autoconf <= 2.62.
1386 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1387 ## No need to do anything special for these standard directories.
1388 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1390 x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1394 LD_SWITCH_X_SITE_AUX=
1395 LD_SWITCH_X_SITE_AUX_RPATH=
1396 if test "${x_libraries}" != NONE; then
1397 if test -n "${x_libraries}"; then
1398 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1399 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1400 LD_SWITCH_X_SITE_AUX_RPATH=`echo ${LD_SWITCH_X_SITE_AUX} | sed -e 's/-R/-Wl,-rpath,/'`
1402 x_default_search_path=""
1403 x_search_path=${x_libraries}
1404 if test -z "${x_search_path}"; then
1405 x_search_path=/usr/lib
1407 for x_library in `echo ${x_search_path}: | \
1408 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1410 ${x_library}/X11/%L/%T/%N%C%S:\
1411 ${x_library}/X11/%l/%T/%N%C%S:\
1412 ${x_library}/X11/%T/%N%C%S:\
1413 ${x_library}/X11/%L/%T/%N%S:\
1414 ${x_library}/X11/%l/%T/%N%S:\
1415 ${x_library}/X11/%T/%N%S"
1416 if test x"${x_default_search_path}" = x; then
1417 x_default_search_path=${x_search_path}
1419 x_default_search_path="${x_search_path}:${x_default_search_path}"
1423 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1424 AC_SUBST(LD_SWITCH_X_SITE_AUX_RPATH)
1426 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1427 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1430 if test x"${x_includes}" = x; then
1431 bitmapdir=/usr/include/X11/bitmaps
1433 # accumulate include directories that have X11 bitmap subdirectories
1435 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1436 if test -d "${bmd}/X11/bitmaps"; then
1437 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1439 if test -d "${bmd}/bitmaps"; then
1440 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1443 if test ${bmd_acc} != "dummyval"; then
1444 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1451 tmp_CPPFLAGS="$CPPFLAGS"
1452 tmp_CFLAGS="$CFLAGS"
1453 CPPFLAGS="$CPPFLAGS -x objective-c"
1454 CFLAGS="$CFLAGS -x objective-c"
1455 TEMACS_LDFLAGS2="\${LDFLAGS}"
1456 dnl I don't think it's especially important, but src/Makefile.in
1457 dnl (now the only user of ns_appdir) used to go to the trouble of adding a
1458 dnl trailing "/" to it, so now we do it here.
1459 if test "${with_ns}" != no; then
1460 if test "${opsys}" = darwin; then
1462 ns_appdir=`pwd`/nextstep/Emacs.app
1463 ns_appbindir=${ns_appdir}/Contents/MacOS/
1464 ns_appresdir=${ns_appdir}/Contents/Resources
1465 ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
1466 elif test -f $GNUSTEP_CONFIG_FILE; then
1468 ns_appdir=`pwd`/nextstep/Emacs.app
1469 ns_appbindir=${ns_appdir}/
1470 ns_appresdir=${ns_appdir}/Resources
1471 ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
1472 dnl FIXME sourcing this several times in subshells seems inefficient.
1473 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1474 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1475 dnl I seemed to need these as well with GNUstep-startup 0.25.
1476 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1477 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1478 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1479 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1480 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1481 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1482 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1483 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1484 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1489 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1490 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1491 files are missing or cannot be compiled.])])
1492 NS_HAVE_NSINTEGER=yes
1493 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1495 ns_have_nsinteger=yes,
1496 ns_have_nsinteger=no)
1497 if test $ns_have_nsinteger = no; then
1498 NS_HAVE_NSINTEGER=no
1501 AC_SUBST(TEMACS_LDFLAGS2)
1507 if test "${HAVE_NS}" = yes; then
1508 window_system=nextstep
1510 # set up packaging dirs
1511 exec_prefix=${ns_appbindir}
1512 libexecdir=${ns_appbindir}/libexec
1513 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1514 prefix=${ns_appresdir}
1516 ns_frag=$srcdir/src/ns.mk
1517 NS_OBJ="fontset.o fringe.o image.o"
1518 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1519 NS_SUPPORT="\${lispsource}/emacs-lisp/easymenu.elc \${lispsource}/term/ns-win.elc"
1521 CFLAGS="$tmp_CFLAGS"
1522 CPPFLAGS="$tmp_CPPFLAGS"
1524 AC_SUBST(NS_OBJC_OBJ)
1525 AC_SUBST(NS_SUPPORT)
1526 AC_SUBST(LIB_STANDARD)
1527 AC_SUBST_FILE(ns_frag)
1529 case "${window_system}" in
1533 case "${with_x_toolkit}" in
1534 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1535 motif ) USE_X_TOOLKIT=MOTIF ;;
1537 dnl Dont set this for GTK. A lot of tests below assumes Xt when
1538 dnl USE_X_TOOLKIT is set.
1539 USE_X_TOOLKIT=none ;;
1540 gtk3 ) with_gtk3=yes
1541 USE_X_TOOLKIT=none ;;
1542 no ) USE_X_TOOLKIT=none ;;
1543 dnl If user did not say whether to use a toolkit, make this decision later:
1544 dnl use the toolkit if we have gtk, or X11R5 or newer.
1545 * ) USE_X_TOOLKIT=maybe ;;
1555 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1556 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1557 if test "$HAVE_XSERVER" = true ||
1558 test -n "$DISPLAY" ||
1559 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1560 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1561 were found. You should install the relevant development files for X
1562 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1563 sure you have development files for image handling, i.e.
1564 tiff, gif, jpeg, png and xpm.
1565 If you are sure you want Emacs compiled without X window support, pass
1571 ### If we're using X11, we should use the X menu package.
1574 yes ) HAVE_MENUS=yes ;;
1577 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1578 # Assume not, until told otherwise.
1581 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1582 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1583 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1584 emacs_cv_var___after_morecore_hook,
1585 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern void (* __after_morecore_hook)();]],[[__after_morecore_hook = 0]])],
1586 emacs_cv_var___after_morecore_hook=yes,
1587 emacs_cv_var___after_morecore_hook=no)])
1588 if test $emacs_cv_var___after_morecore_hook = no; then
1593 dnl See comments in aix4-2.h about maybe using system malloc there.
1596 ## darwin ld insists on the use of malloc routines in the System framework.
1597 darwin|sol2-10) system_malloc=yes ;;
1600 if test "${system_malloc}" = "yes"; then
1601 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1604 (The GNU allocators don't work with this system configuration.)"
1608 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1609 VMLIMIT_OBJ=vm-limit.o
1611 AC_SUBST(GMALLOC_OBJ)
1612 AC_SUBST(VMLIMIT_OBJ)
1614 if test "$doug_lea_malloc" = "yes" ; then
1615 if test "$GNU_MALLOC" = yes ; then
1617 (Using Doug Lea's new malloc from the GNU C Library.)"
1619 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1620 [Define to 1 if you are using the GNU C Library.])
1622 ## Use mmap directly for allocating larger buffers.
1623 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1624 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1625 ## Does the AC_FUNC_MMAP test below make this check unecessary?
1627 gnu*) REL_ALLOC=no ;;
1631 if test x"${REL_ALLOC}" = x; then
1632 REL_ALLOC=${GNU_MALLOC}
1635 use_mmap_for_buffers=no
1637 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1641 if test $use_mmap_for_buffers = yes; then
1642 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1646 LIBS="$LIBS_SYSTEM $LIBS"
1648 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1649 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1650 AC_CHECK_LIB(dnet, dnet_ntoa)
1651 dnl This causes -lresolv to get used in subsequent tests,
1652 dnl which causes failures on some systems such as HPUX 9.
1653 dnl AC_CHECK_LIB(resolv, gethostbyname)
1655 dnl FIXME replace main with a function we actually want from this library.
1656 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1658 AC_CHECK_LIB(pthreads, cma_open)
1660 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1661 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1662 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1663 ## added to LIBS in configure would never contain the pthreads part,
1664 ## but the value used in Makefiles might. FIXME?
1666 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1667 ## be harmless on older versions of X where it happens to exist.
1668 test "$opsys" = "aix4-2" && \
1669 test $ac_cv_lib_pthreads_cma_open = yes && \
1670 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1672 dnl Check for need for bigtoc support on IBM AIX
1676 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1678 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1679 *) gdb_cv_bigtoc=-bbigtoc ;;
1682 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1683 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1688 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1689 # used for the tests that follow. We set them back to REAL_CFLAGS and
1690 # REAL_CPPFLAGS later on.
1692 REAL_CFLAGS="$CFLAGS"
1693 REAL_CPPFLAGS="$CPPFLAGS"
1695 if test "${HAVE_X11}" = "yes"; then
1696 DEFS="$C_SWITCH_X_SITE $DEFS"
1697 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1699 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1700 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1702 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1703 # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1704 # but it's more convenient here to set LD_RUN_PATH
1705 # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1706 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1707 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1711 if test "${opsys}" = "gnu-linux"; then
1712 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1713 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1714 [[XOpenDisplay ("foo");]])],
1715 [xlinux_first_failure=no],
1716 [xlinux_first_failure=yes])
1717 if test "${xlinux_first_failure}" = "yes"; then
1718 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1719 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1720 OLD_CPPFLAGS="$CPPFLAGS"
1722 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1723 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1724 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1725 LIBS="$LIBS -b i486-linuxaout"
1726 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1727 [[XOpenDisplay ("foo");]])],
1728 [xlinux_second_failure=no],
1729 [xlinux_second_failure=yes])
1730 if test "${xlinux_second_failure}" = "yes"; then
1731 # If we get the same failure with -b, there is no use adding -b.
1732 # So take it out. This plays safe.
1733 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1734 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1735 CPPFLAGS="$OLD_CPPFLAGS"
1746 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1747 # header files included from there.
1748 AC_MSG_CHECKING(for Xkb)
1749 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1750 #include <X11/XKBlib.h>]],
1751 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1752 emacs_xkb=yes, emacs_xkb=no)
1753 AC_MSG_RESULT($emacs_xkb)
1754 if test $emacs_xkb = yes; then
1755 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1758 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1759 XScreenNumberOfScreen XSetWMProtocols)
1762 if test "${window_system}" = "x11"; then
1763 AC_MSG_CHECKING(X11 version 6)
1764 AC_CACHE_VAL(emacs_cv_x11_version_6,
1765 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1766 [[#if XlibSpecificationRelease < 6
1769 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1770 if test $emacs_cv_x11_version_6 = yes; then
1771 AC_MSG_RESULT(6 or newer)
1772 AC_DEFINE(HAVE_X11R6, 1,
1773 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1774 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1775 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1779 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1780 [Define if you have usable X11R6-style XIM support.])
1784 AC_MSG_RESULT(before 6)
1789 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1791 if test "${HAVE_X11}" = "yes" || test "${NS_IMPL_GNUSTEP}" = "yes"; then
1792 if test "${with_rsvg}" != "no"; then
1793 RSVG_REQUIRED=2.11.0
1794 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1796 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1797 AC_SUBST(RSVG_CFLAGS)
1800 if test $HAVE_RSVG = yes; then
1801 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1802 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1803 LIBS="$RSVG_LIBS $LIBS"
1809 if test "${HAVE_X11}" = "yes"; then
1810 if test "${with_imagemagick}" != "no"; then
1811 ## 6.2.8 is the earliest version known to work, but earlier versions
1812 ## might work - let us know if you find one.
1813 ## 6.0.7 does not work. See bug#7955.
1814 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1815 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1816 AC_SUBST(IMAGEMAGICK_CFLAGS)
1817 AC_SUBST(IMAGEMAGICK_LIBS)
1819 if test $HAVE_IMAGEMAGICK = yes; then
1820 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1821 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1822 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1823 AC_CHECK_FUNCS(MagickExportImagePixels)
1830 if test "${with_gtk3}" = "yes"; then
1833 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1835 dnl Checks for libraries.
1836 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1837 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1838 AC_MSG_ERROR($GTK_PKG_ERRORS)
1840 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1843 if test "$pkg_check_gtk" != "yes"; then
1845 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1848 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1850 dnl Checks for libraries.
1851 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1852 if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1853 AC_MSG_ERROR($GTK_PKG_ERRORS)
1859 if test x"$pkg_check_gtk" = xyes; then
1861 AC_SUBST(GTK_CFLAGS)
1863 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1864 CFLAGS="$CFLAGS $GTK_CFLAGS"
1865 LIBS="$GTK_LIBS $LIBS"
1866 dnl Try to compile a simple GTK program.
1868 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1869 if test "${GTK_COMPILES}" != "yes"; then
1870 if test "$USE_X_TOOLKIT" != "maybe"; then
1871 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
1875 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1878 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1881 AC_MSG_WARN([[Your version of Gtk+ will have problems with
1882 closing open displays. This is no problem if you just use
1883 one display, but if you use more than one and close one of them
1893 if test "${HAVE_GTK}" = "yes"; then
1895 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1896 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
1897 if test "$with_toolkit_scroll_bars" != no; then
1898 with_toolkit_scroll_bars=yes
1901 dnl Check if we have the old file selection dialog declared and
1902 dnl in the link library. In 2.x it may be in the library,
1903 dnl but not declared if deprecated featured has been selected out.
1904 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
1905 HAVE_GTK_FILE_SELECTION=no
1906 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
1907 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
1908 #include <gtk/gtk.h>])
1909 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
1910 AC_CHECK_FUNCS(gtk_file_selection_new)
1913 dnl Check if pthreads are available. Emacs only needs this when using
1914 dnl gtk_file_chooser under Gnome.
1915 HAVE_GTK_AND_PTHREAD=no
1916 AC_CHECK_HEADERS(pthread.h)
1917 if test "$ac_cv_header_pthread_h"; then
1918 AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1920 if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1921 case "${canonical}" in
1923 *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1925 AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1926 [Define to 1 if you have GTK and pthread (-lpthread).])
1929 dnl Check for functions introduced in 2.14 and later.
1930 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
1931 gtk_dialog_get_action_area gtk_widget_get_sensitive \
1932 gtk_widget_get_mapped gtk_adjustment_get_page_size \
1933 gtk_orientable_set_orientation)
1937 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
1938 dnl other platforms. Support for higher D-Bus versions than 1.0 is
1939 dnl also not configured.
1942 if test "${with_dbus}" = "yes"; then
1943 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1944 if test "$HAVE_DBUS" = yes; then
1945 LIBS="$LIBS $DBUS_LIBS"
1946 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1947 AC_CHECK_FUNCS([dbus_watch_get_unix_fd])
1953 dnl GConf has been tested under GNU/Linux only.
1954 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
1956 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
1957 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
1958 if test "$HAVE_GCONF" = yes; then
1959 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
1960 dnl Newer GConf doesn't link with g_objects, so this is not defined.
1961 AC_CHECK_FUNCS([g_type_init])
1965 dnl SELinux is available for GNU/Linux only.
1968 if test "${with_selinux}" = "yes"; then
1969 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
1970 if test "$HAVE_LIBSELINUX" = yes; then
1971 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
1972 LIBSELINUX_LIBS=-lselinux
1975 AC_SUBST(LIBSELINUX_LIBS)
1978 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
1979 if test "${with_gnutls}" = "yes" ; then
1980 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.0], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
1981 if test "${HAVE_GNUTLS}" = "yes"; then
1982 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
1985 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
1986 LIBS="$LIBGNUTLS_LIBS $LIBS"
1987 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
1989 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
1990 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
1994 AC_SUBST(LIBGNUTLS_LIBS)
1995 AC_SUBST(LIBGNUTLS_CFLAGS)
1997 dnl Do not put whitespace before the #include statements below.
1998 dnl Older compilers (eg sunos4 cc) choke on it.
2001 if 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_LINK_IFELSE([AC_LANG_PROGRAM([[
2006 #include <X11/Intrinsic.h>
2007 #include <X11/Xaw3d/Simple.h>]],
2009 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2010 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2011 emacs_cv_xaw3d=no)])
2015 if test $emacs_cv_xaw3d = yes; then
2016 AC_MSG_RESULT([yes; using Lucid toolkit])
2020 AC_DEFINE(HAVE_XAW3D, 1,
2021 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2024 AC_MSG_CHECKING(for libXaw)
2025 AC_CACHE_VAL(emacs_cv_xaw,
2026 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2027 #include <X11/Intrinsic.h>
2028 #include <X11/Xaw/Simple.h>]],
2032 if test $emacs_cv_xaw = yes; then
2033 AC_MSG_RESULT([yes; using Lucid toolkit])
2036 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2037 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2039 AC_MSG_ERROR([No X toolkit could be found.
2040 If you are sure you want Emacs compiled without an X toolkit, pass
2042 to configure. Otherwise, install the development libraries for the toolkit
2043 that you want to use (e.g. Gtk+) and re-run configure.])
2048 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2051 if test "${USE_X_TOOLKIT}" != "none"; then
2052 AC_MSG_CHECKING(X11 toolkit version)
2053 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2054 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2055 [[#if XtSpecificationRelease < 6
2058 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2059 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2060 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2061 AC_MSG_RESULT(6 or newer)
2062 AC_DEFINE(HAVE_X11XTR6, 1,
2063 [Define to 1 if you have the X11R6 or newer version of Xt.])
2064 LIBXTR6="-lSM -lICE"
2066 ## Use libw.a along with X11R6 Xt.
2067 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2070 AC_MSG_RESULT(before 6)
2073 dnl If using toolkit, check whether libXmu.a exists.
2074 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2076 if test x$HAVE_X11XTR6 = xyes; then
2077 LIBS="-lXt -lSM -lICE $LIBS"
2081 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2082 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2086 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2087 dnl Why not just test for libxmu in the normal way?
2090 ## These systems don't supply Xmu.
2092 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2097 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2098 if test "${HAVE_X11}" = "yes"; then
2099 if test "${USE_X_TOOLKIT}" != "none"; then
2100 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2105 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2106 AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2107 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2108 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2111 Motif version prior to 2.1.
2113 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2114 if test $emacs_cv_motif_version_2_1 = yes; then
2115 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2117 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2118 # We put this in CFLAGS temporarily to precede other -I options
2119 # that might be in CFLAGS temporarily.
2120 # We put this in CPPFLAGS where it precedes the other -I options.
2121 OLD_CPPFLAGS=$CPPFLAGS
2123 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2124 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2125 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2127 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2128 if test $emacs_cv_lesstif = yes; then
2129 # Make sure this -I option remains in CPPFLAGS after it is set
2130 # back to REAL_CPPFLAGS.
2131 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2132 # have those other -I options anyway. Ultimately, having this
2133 # directory ultimately in CPPFLAGS will be enough.
2134 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2135 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2138 CPPFLAGS=$OLD_CPPFLAGS
2143 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2144 dnl using Motif or Xaw3d is available, and unless
2145 dnl --with-toolkit-scroll-bars=no was specified.
2147 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2148 [Define to 1 if we should use toolkit scroll bars.])dnl
2149 USE_TOOLKIT_SCROLL_BARS=no
2150 if test "${with_toolkit_scroll_bars}" != "no"; then
2151 if test "${USE_X_TOOLKIT}" != "none"; then
2152 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2153 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2155 USE_TOOLKIT_SCROLL_BARS=yes
2156 elif test "${HAVE_XAW3D}" = "yes"; then
2157 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2158 USE_TOOLKIT_SCROLL_BARS=yes
2160 elif test "${HAVE_GTK}" = "yes"; then
2161 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2162 USE_TOOLKIT_SCROLL_BARS=yes
2163 elif test "${HAVE_NS}" = "yes"; then
2164 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2165 USE_TOOLKIT_SCROLL_BARS=yes
2169 dnl See if XIM is available.
2170 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2171 #include <X11/Xlib.h>
2172 #include <X11/Xresource.h>]],
2173 [[XIMProc callback;]])],
2175 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2178 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2180 if test "${with_xim}" != "no"; then
2181 AC_DEFINE(USE_XIM, 1,
2182 [Define to 1 if we should use XIM, if it is available.])
2186 if test "${HAVE_XIM}" != "no"; then
2188 if test "$GCC" = yes; then
2189 CFLAGS="$CFLAGS --pedantic-errors"
2191 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2192 #include <X11/Xlib.h>
2193 #include <X11/Xresource.h>]],
2199 XPointer *client_data;
2201 /* If we're not using GCC, it's probably not XFree86, and this is
2202 probably right, but we can't use something like --pedantic-errors. */
2203 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2204 char*, XIMProc, XPointer*);
2206 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2208 [emacs_cv_arg6_star=yes])
2209 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2210 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2211 either XPointer or XPointer*.])dnl
2212 if test "$emacs_cv_arg6_star" = yes; then
2213 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2215 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2220 ### Start of font-backend (under any platform) section.
2221 # (nothing here yet -- this is a placeholder)
2222 ### End of font-backend (under any platform) section.
2224 ### Start of font-backend (under X11) section.
2225 if test "${HAVE_X11}" = "yes"; then
2226 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2228 ## Use -lXft if available, unless `--with-xft=no'.
2230 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2233 if test "x${with_xft}" != "xno"; then
2235 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2236 ## Because xftfont.c uses XRenderQueryExtension, we also
2237 ## need to link to -lXrender.
2239 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2240 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2241 OLD_CPPFLAGS="$CPPFLAGS"
2242 OLD_CFLAGS="$CFLAGS"
2244 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2245 CFLAGS="$CFLAGS $XFT_CFLAGS"
2246 XFT_LIBS="-lXrender $XFT_LIBS"
2247 LIBS="$XFT_LIBS $LIBS"
2248 AC_CHECK_HEADER(X11/Xft/Xft.h,
2249 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2251 if test "${HAVE_XFT}" = "yes"; then
2252 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2254 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2256 CPPFLAGS="$OLD_CPPFLAGS"
2257 CFLAGS="$OLD_CFLAGS"
2259 fi # "${HAVE_XFT}" = "yes"
2260 fi # "$HAVE_XFT" != no
2261 fi # "x${with_xft}" != "xno"
2263 ## We used to allow building with FreeType and without Xft.
2264 ## However, the ftx font backend driver is not in good shape.
2265 if test "$HAVE_XFT" != "yes"; then
2266 dnl For the "Does Emacs use" message at the end.
2270 dnl Strict linkers fail with
2271 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2272 dnl if -lfreetype is not specified.
2273 dnl The following is needed to set FREETYPE_LIBS.
2274 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2277 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2281 if test "${HAVE_FREETYPE}" = "yes"; then
2282 AC_DEFINE(HAVE_FREETYPE, 1,
2283 [Define to 1 if using the freetype and fontconfig libraries.])
2284 if test "${with_libotf}" != "no"; then
2285 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2287 if test "$HAVE_LIBOTF" = "yes"; then
2288 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2289 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2290 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2291 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2292 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2293 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2294 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2298 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2299 dnl Does the new font backend require it, or can it work without it?
2303 if test "${HAVE_LIBOTF}" = yes; then
2304 if test "${with_m17n_flt}" != "no"; then
2305 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2306 if test "$HAVE_M17N_FLT" = "yes"; then
2307 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2318 ### End of font-backend (under X11) section.
2320 AC_SUBST(FREETYPE_CFLAGS)
2321 AC_SUBST(FREETYPE_LIBS)
2322 AC_SUBST(FONTCONFIG_CFLAGS)
2323 AC_SUBST(FONTCONFIG_LIBS)
2324 AC_SUBST(LIBOTF_CFLAGS)
2325 AC_SUBST(LIBOTF_LIBS)
2326 AC_SUBST(M17N_FLT_CFLAGS)
2327 AC_SUBST(M17N_FLT_LIBS)
2329 ### Use -lXpm if available, unless `--with-xpm=no'.
2332 if test "${HAVE_X11}" = "yes"; then
2333 if test "${with_xpm}" != "no"; then
2334 AC_CHECK_HEADER(X11/xpm.h,
2335 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2336 if test "${HAVE_XPM}" = "yes"; then
2337 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2338 AC_EGREP_CPP(no_return_alloc_pixels,
2339 [#include "X11/xpm.h"
2340 #ifndef XpmReturnAllocPixels
2341 no_return_alloc_pixels
2343 ], HAVE_XPM=no, HAVE_XPM=yes)
2345 if test "${HAVE_XPM}" = "yes"; then
2353 if test "${HAVE_XPM}" = "yes"; then
2354 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2360 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2363 if test "${HAVE_X11}" = "yes"; then
2364 if test "${with_jpeg}" != "no"; then
2365 dnl Checking for jpeglib.h can lose because of a redefinition of
2367 AC_CHECK_HEADER(jerror.h,
2368 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2371 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2372 if test "${HAVE_JPEG}" = "yes"; then
2373 AC_DEFINE(HAVE_JPEG)
2374 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2375 [#include <jpeglib.h>
2376 version=JPEG_LIB_VERSION
2378 [AC_DEFINE(HAVE_JPEG)],
2379 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2382 if test "${HAVE_JPEG}" = "yes"; then
2388 ### Use -lpng if available, unless `--with-png=no'.
2391 if test "${HAVE_X11}" = "yes"; then
2392 if test "${with_png}" != "no"; then
2393 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2394 # in /usr/include/libpng.
2395 AC_CHECK_HEADERS(png.h libpng/png.h)
2396 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2397 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2401 if test "${HAVE_PNG}" = "yes"; then
2402 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2403 LIBPNG="-lpng -lz -lm"
2408 ### Use -ltiff if available, unless `--with-tiff=no'.
2411 if test "${HAVE_X11}" = "yes"; then
2412 if test "${with_tiff}" != "no"; then
2413 AC_CHECK_HEADER(tiffio.h,
2415 # At least one tiff package requires the jpeg library.
2416 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2417 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2420 if test "${HAVE_TIFF}" = "yes"; then
2421 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2422 dnl FIXME -lz -lm, as per libpng?
2428 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2431 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2432 AC_CHECK_HEADER(gif_lib.h,
2433 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2434 # Earlier versions can crash Emacs.
2435 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2437 if test "$HAVE_GIF" = yes; then
2439 elif test "$HAVE_GIF" = maybe; then
2440 # If gif_lib.h but no libgif, try libungif.
2441 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2442 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2445 if test "${HAVE_GIF}" = "yes"; then
2446 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2451 dnl Check for required libraries.
2452 if test "${HAVE_X11}" = "yes"; then
2455 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2456 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2457 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2458 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2459 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2460 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2461 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2462 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2463 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2464 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2466 if test "X${MISSING}" != X; then
2467 AC_MSG_ERROR([The following required libraries were not found:
2469 Maybe some development libraries/packages are missing?
2470 If you don't want to link with them give
2472 as options to configure])
2476 ### Use -lgpm if available, unless `--with-gpm=no'.
2480 if test "${with_gpm}" != "no"; then
2481 AC_CHECK_HEADER(gpm.h,
2482 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2484 if test "${HAVE_GPM}" = "yes"; then
2485 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2487 ## May be reset below.
2488 MOUSE_SUPPORT="\$(GPM_MOUSE_SUPPORT)"
2493 dnl Check for malloc/malloc.h on darwin
2494 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2497 ### Use NeXTstep API to implement GUI.
2498 if test "${HAVE_NS}" = "yes"; then
2499 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2500 if test "${NS_IMPL_COCOA}" = "yes"; then
2501 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2504 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2505 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2506 # See also .m.o rule in Makefile.in */
2507 # FIXME: are all these flags really needed? Document here why. */
2508 C_SWITCH_X_SYSTEM="-D_REENTRANT -fPIC -fno-strict-aliasing"
2509 GNU_OBJC_CFLAGS="-fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2511 if test "${NS_HAVE_NSINTEGER}" = "yes"; then
2512 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
2514 # We also have mouse menus.
2520 ### Use session management (-lSM -lICE) if available
2523 if test "${HAVE_X11}" = "yes"; then
2524 AC_CHECK_HEADER(X11/SM/SMlib.h,
2525 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2527 if test "${HAVE_X_SM}" = "yes"; then
2528 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2532 *) LIBS="$LIBXSM $LIBS" ;;
2538 ### Use libxml (-lxml2) if available
2539 if test "${with_xml2}" != "no"; then
2540 ### I'm not sure what the version number should be, so I just guessed.
2541 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2542 if test "${HAVE_LIBXML2}" = "yes"; then
2543 LIBS="$LIBXML2_LIBS $LIBS"
2544 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2545 if test "${HAVE_LIBXML2}" = "yes"; then
2546 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2553 AC_SUBST(LIBXML2_LIBS)
2554 AC_SUBST(LIBXML2_CFLAGS)
2556 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2557 AC_CACHE_CHECK(whether netdb declares h_errno,
2558 emacs_cv_netdb_declares_h_errno,
2559 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2560 [[return h_errno;]])],
2561 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2562 if test $emacs_cv_netdb_declares_h_errno = yes; then
2563 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2568 dnl src/alloca.c has been removed. Could also check if $ALLOCA is set?
2569 dnl FIXME is there an autoconf test that does the right thing, without
2570 dnl needing to call A_M_E afterwards?
2571 if test x"$ac_cv_func_alloca_works" != xyes; then
2572 AC_MSG_ERROR( [a system implementation of alloca is required] )
2575 # fmod, logb, and frexp are found in -lm on most systems.
2576 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2577 AC_CHECK_LIB(m, sqrt)
2579 # Check for mail-locking functions in a "mail" library. Probably this should
2580 # have the same check as for liblockfile below.
2581 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2582 if test $have_mail = yes; then
2584 LIBS="$LIBS_MAIL $LIBS"
2585 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2589 dnl Debian, at least:
2590 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2591 if test $have_lockfile = yes; then
2592 LIBS_MAIL=-llockfile
2593 LIBS="$LIBS_MAIL $LIBS"
2594 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2596 # If we have the shared liblockfile, assume we must use it for mail
2597 # locking (e.g. Debian). If we couldn't link against liblockfile
2598 # (no liblockfile.a installed), ensure that we don't need to.
2599 dnl This works for files generally, not just executables.
2600 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2601 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2602 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2603 if test $ac_cv_prog_liblockfile = yes; then
2604 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2605 This probably means that movemail could lose mail.
2606 There may be a `development' package to install containing liblockfile.])
2609 AC_CHECK_FUNCS(touchlock)
2610 AC_CHECK_HEADERS(maillock.h)
2613 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2614 ## interlock access to the mail spool. The alternative is a lock file named
2615 ## /usr/spool/mail/$USER.lock.
2618 aix4-2) mail_lock="lockf" ;;
2620 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2622 ## On GNU/Linux systems, both methods are used by various mail programs.
2623 ## I assume most people are using newer mailers that have heard of flock.
2624 ## Change this if you need to.
2625 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2626 ## configure gets the right answers, and that means *NOT* using flock.
2627 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2628 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2629 ## Debian maintainer hasn't provided a clean fix for Emacs.
2630 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2631 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2632 ## correct logic. -- fx
2633 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2634 ## liblockfile is a Free Software replacement for libmail, used on
2635 ## Debian systems and elsewhere. -rfr.
2638 if test $have_mail = yes || test $have_lockfile = yes; then
2639 test $ac_cv_header_maillock_h = yes && mail_lock=no
2645 case "$mail_lock" in
2646 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2648 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2650 *) BLESSMAIL_TARGET="need-blessmail" ;;
2652 AC_SUBST(BLESSMAIL_TARGET)
2655 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2656 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2657 random lrand48 logb frexp fmod rint cbrt ftime setsid \
2658 strerror fpathconf select euidaccess getpagesize tzset setlocale \
2659 utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2660 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm strchr strrchr \
2661 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2662 gai_strerror mkstemp getline getdelim mremap memmove fsync sync \
2663 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
2664 cfmakeraw cfsetspeed isnan copysign __executable_start)
2666 dnl Cannot use AC_CHECK_FUNCS
2667 AC_CACHE_CHECK([for __builtin_unwind_init],
2668 emacs_cv_func___builtin_unwind_init,
2669 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
2670 emacs_cv_func___builtin_unwind_init=yes,
2671 emacs_cv_func___builtin_unwind_init=no)])
2672 if test $emacs_cv_func___builtin_unwind_init = yes; then
2673 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
2674 [Define to 1 if you have the `__builtin_unwind_init' function.])
2677 AC_CHECK_HEADERS(sys/un.h)
2684 gl_ASSERT_NO_GNULIB_POSIXCHECK
2685 gl_ASSERT_NO_GNULIB_TESTS
2689 AC_CHECK_FUNCS(grantpt)
2691 # PTY-related GNU extensions.
2692 AC_CHECK_FUNCS(getpt)
2694 # Check this now, so that we will NOT find the above functions in ncurses.
2695 # That is because we have not set up to link ncurses in lib-src.
2696 # It's better to believe a function is not available
2697 # than to expect to find it in ncurses.
2698 # Also we need tputs and friends to be able to build at all.
2699 have_tputs_et_al=true
2700 AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
2701 if test "$have_tputs_et_al" != true; then
2702 AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
2703 Maybe some development libraries/packages are missing? Try installing
2704 libncurses-dev(el), libterminfo-dev(el) or similar.])
2706 # Must define this when any termcap library is found.
2707 AC_DEFINE(HAVE_LIBNCURSES, 1,
2708 [Define to 1 if you have the `ncurses' library (-lncurses).])
2709 ## FIXME This was the cpp logic, but I am not sure it is right.
2710 ## The above test has not necessarily found libncurses.
2713 ## Use terminfo instead of termcap?
2714 ## Note only system files NOT using terminfo are:
2715 ## freebsd < 40000, ms-w32, msdos, netbsd < 599002500, and
2716 ## darwin|gnu without ncurses.
2720 ## cygwin: Fewer environment variables to go wrong, more terminal types.
2721 ## hpux10-20: Use the system provided termcap(3) library.
2722 ## openbsd: David Mazieres <dm@reeducation-labor.lcs.mit.edu> says this
2723 ## is necessary. Otherwise Emacs dumps core when run -nw.
2724 aix4-2|cygwin|hpux*|irix6-5|openbsd|sol2*|unixware) TERMINFO=yes ;;
2726 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
2727 ## The ncurses library has been moved out of the System framework in
2728 ## Mac OS X 10.2. So if configure detects it, set the command-line
2729 ## option to use it.
2731 ## (HAVE_LIBNCURSES was not always true, but is since 2010-03-18.)
2732 if test "x$HAVE_LIBNCURSES" = "xyes"; then
2734 LIBS_TERMCAP="-lncurses"
2739 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
2740 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
2741 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
2742 [[#if __FreeBSD_version < 400000
2745 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
2747 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
2749 if test $emacs_cv_freebsd_terminfo = yes; then
2751 LIBS_TERMCAP="-lncurses"
2753 LIBS_TERMCAP="-ltermcap"
2758 if test $ac_cv_search_tputs = -lterminfo; then
2760 LIBS_TERMCAP="-lterminfo"
2762 LIBS_TERMCAP="-ltermcap"
2769 ## hpux: Make sure we get select from libc rather than from libcurses
2770 ## because libcurses on HPUX 10.10 has a broken version of select.
2771 ## We used to use -lc -lcurses, but this may be cleaner.
2772 hpux*) LIBS_TERMCAP="-ltermcap" ;;
2774 openbsd) LIBS_TERMCAP="-lncurses" ;;
2776 ## Must use system termcap, if we use any termcap. It does special things.
2777 sol2*) test "$TERMINFO" != yes && LIBS_TERMCAP="-ltermcap" ;;
2780 TERMCAP_OBJ=tparam.o
2781 if test $TERMINFO = yes; then
2782 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
2784 ## Default used to be -ltermcap. Add a case above if need something else.
2785 test "x$LIBS_TERMCAP" = "x" && LIBS_TERMCAP="-lcurses"
2787 TERMCAP_OBJ=terminfo.o
2789 AC_SUBST(LIBS_TERMCAP)
2790 AC_SUBST(TERMCAP_OBJ)
2793 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2795 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2796 #include <arpa/nameser.h>
2797 #include <resolv.h>]],
2798 [[return res_init();]])],
2799 have_res_init=yes, have_res_init=no)
2800 if test "$have_res_init" = no; then
2802 LIBS="$LIBS -lresolv"
2803 AC_MSG_CHECKING(for res_init with -lresolv)
2804 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
2805 #include <arpa/nameser.h>
2806 #include <resolv.h>]],
2807 [[return res_init();]])],
2808 have_res_init=yes, have_res_init=no)
2809 AC_MSG_RESULT($have_res_init)
2810 if test "$have_res_init" = yes ; then
2816 if test "$have_res_init" = yes; then
2817 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2820 # Do we need the Hesiod library to provide the support routines?
2822 if test "$with_hesiod" != no ; then
2823 # Don't set $LIBS here -- see comments above. FIXME which comments?
2824 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2825 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2826 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2827 if test "$resolv" = yes ; then
2832 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2833 hesiod=yes, :, $RESOLVLIB)])
2835 if test x"$hesiod" = xyes; then
2836 AC_DEFINE(HAVE_LIBHESIOD, 1,
2837 [Define to 1 if you have the hesiod library (-lhesiod).])
2843 # Do we need libresolv (due to res_init or Hesiod)?
2844 if test "$resolv" = yes ; then
2845 AC_DEFINE(HAVE_LIBRESOLV, 1,
2846 [Define to 1 if you have the resolv library (-lresolv).])
2853 # These tell us which Kerberos-related libraries to use.
2860 if test "${with_kerberos}" != no; then
2861 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
2862 if test $have_com_err = yes; then
2863 COM_ERRLIB=-lcom_err
2864 LIBS="$COM_ERRLIB $LIBS"
2865 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
2867 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
2868 if test $have_crypto = yes; then
2870 LIBS="$CRYPTOLIB $LIBS"
2871 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
2873 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
2874 if test $have_k5crypto = yes; then
2875 CRYPTOLIB=-lk5crypto
2876 LIBS="$CRYPTOLIB $LIBS"
2877 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
2879 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
2880 if test $have_krb5=yes; then
2882 LIBS="$KRB5LIB $LIBS"
2883 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
2885 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
2886 if test "${with_kerberos5}" = no; then
2887 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
2888 if test $have_des425 = yes; then
2890 LIBS="$DESLIB $LIBS"
2891 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
2893 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
2894 if test $have_des = yes; then
2896 LIBS="$DESLIB $LIBS"
2897 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
2900 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
2901 if test $have_krb4 = yes; then
2903 LIBS="$KRB4LIB $LIBS"
2904 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
2906 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
2907 if test $have_krb = yes; then
2909 LIBS="$KRB4LIB $LIBS"
2910 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
2915 if test "${with_kerberos5}" != no; then
2916 AC_CHECK_HEADERS(krb5.h,
2917 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
2918 [#include <krb5.h>])])
2920 AC_CHECK_HEADERS(des.h,,
2921 [AC_CHECK_HEADERS(kerberosIV/des.h,,
2922 [AC_CHECK_HEADERS(kerberos/des.h)])])
2923 AC_CHECK_HEADERS(krb.h,,
2924 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2925 [AC_CHECK_HEADERS(kerberos/krb.h)])])
2927 AC_CHECK_HEADERS(com_err.h)
2930 AC_SUBST(COM_ERRLIB)
2936 # Solaris requires -lintl if you want strerror (which calls dgettext)
2937 # to return localized messages.
2938 AC_CHECK_LIB(intl, dgettext)
2940 AC_MSG_CHECKING(whether localtime caches TZ)
2941 AC_CACHE_VAL(emacs_cv_localtime_cache,
2942 [if test x$ac_cv_func_tzset = xyes; then
2943 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
2944 char TZ_GMT0[] = "TZ=GMT0";
2945 char TZ_PST8[] = "TZ=PST8";
2948 time_t now = time ((time_t *) 0);
2949 int hour_GMT0, hour_unset;
2950 if (putenv (TZ_GMT0) != 0)
2952 hour_GMT0 = localtime (&now)->tm_hour;
2954 hour_unset = localtime (&now)->tm_hour;
2955 if (putenv (TZ_PST8) != 0)
2957 if (localtime (&now)->tm_hour == hour_GMT0)
2960 if (localtime (&now)->tm_hour != hour_unset)
2963 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2964 [# If we have tzset, assume the worst when cross-compiling.
2965 emacs_cv_localtime_cache=yes])
2967 # If we lack tzset, report that localtime does not cache TZ,
2968 # since we can't invalidate the cache if we don't have tzset.
2969 emacs_cv_localtime_cache=no
2971 AC_MSG_RESULT($emacs_cv_localtime_cache)
2972 if test $emacs_cv_localtime_cache = yes; then
2973 AC_DEFINE(LOCALTIME_CACHE, 1,
2974 [Define to 1 if localtime caches TZ.])
2977 if test "x$HAVE_TIMEVAL" = xyes; then
2978 AC_CHECK_FUNCS(gettimeofday)
2979 if test $ac_cv_func_gettimeofday = yes; then
2980 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2981 emacs_cv_gettimeofday_two_arguments,
2982 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2983 #ifdef TIME_WITH_SYS_TIME
2984 #include <sys/time.h>
2987 #ifdef HAVE_SYS_TIME_H
2988 #include <sys/time.h>
2993 [[struct timeval time;
2994 gettimeofday (&time, 0);]])],
2995 emacs_cv_gettimeofday_two_arguments=yes,
2996 emacs_cv_gettimeofday_two_arguments=no)])
2997 if test $emacs_cv_gettimeofday_two_arguments = no; then
2998 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2999 [Define to 1 if gettimeofday accepts only one argument.])
3005 AC_CHECK_FUNC(socket, , ok_so_far=no)
3006 if test $ok_so_far = yes; then
3007 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3009 if test $ok_so_far = yes; then
3010 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3012 if test $ok_so_far = yes; then
3013 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3014 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3015 [Define to 1 if you have inet sockets.])
3018 if test -f /usr/lpp/X11/bin/smt.exp; then
3019 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3020 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3023 AC_MSG_CHECKING(whether system supports dynamic ptys)
3024 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3026 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3033 dnl Adapted from Haible's version.
3034 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3035 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3036 [[char* cs = nl_langinfo(CODESET);]])],
3037 emacs_cv_langinfo_codeset=yes,
3038 emacs_cv_langinfo_codeset=no)
3040 if test $emacs_cv_langinfo_codeset = yes; then
3041 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3042 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3047 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3048 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3049 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3050 if test "$emacs_cv_c_restrict_arr" = yes; then
3051 AC_DEFINE(__restrict_arr, __restrict,
3052 [Define to compiler's equivalent of C99 restrict keyword in array
3053 declarations. Define as empty for no equivalent.])
3056 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3057 dnl how the tty code is related to POSIX and/or other versions of termios.
3058 dnl The following looks like a useful start.
3060 dnl AC_SYS_POSIX_TERMIOS
3061 dnl if test $ac_cv_sys_posix_termios = yes; then
3062 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3063 dnl and macros for terminal control.])
3064 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3067 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used. (Needs libobj replacement.)
3069 # Set up the CFLAGS for real compilation, so we can substitute it.
3070 CFLAGS="$REAL_CFLAGS"
3071 CPPFLAGS="$REAL_CPPFLAGS"
3073 ## Hack to detect a buggy GCC version.
3074 if test "x$GCC" = xyes \
3075 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
3076 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
3077 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
3078 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
3081 version=$PACKAGE_VERSION
3083 ### Specify what sort of things we'll be editing into Makefile and config.h.
3084 ### Use configuration here uncanonicalized to avoid exceeding size limits.
3086 AC_SUBST(configuration)
3091 AC_SUBST(exec_prefix)
3094 AC_SUBST(sharedstatedir)
3095 AC_SUBST(libexecdir)
3099 AC_SUBST(locallisppath)
3101 AC_SUBST(x_default_search_path)
3103 AC_SUBST(archlibdir)
3108 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
3109 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
3110 ## end of LIBX_BASE, but nothing ever set it.
3111 AC_SUBST(LD_SWITCH_X_SITE)
3112 AC_SUBST(C_SWITCH_X_SITE)
3113 AC_SUBST(C_SWITCH_X_SYSTEM)
3115 ## Used in lwlib/Makefile.in.
3116 AC_SUBST(X_TOOLKIT_TYPE)
3117 if test -n "${machfile}"; then
3118 M_FILE="\$(srcdir)/${machfile}"
3122 S_FILE="\$(srcdir)/${opsysfile}"
3126 AC_SUBST(ns_appbindir)
3127 AC_SUBST(ns_appresdir)
3129 AC_SUBST(GNU_OBJC_CFLAGS)
3130 AC_SUBST(OTHER_FILES)
3132 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
3133 [Define to the canonical Emacs configuration name.])
3134 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
3135 [Define to the options passed to configure.])
3136 if test -n "$machfile"; then
3137 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}",
3138 [Define to the used machine dependent file.])
3140 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
3141 [Define to the used os dependent file.])
3146 if test "${HAVE_X_WINDOWS}" = "yes" ; then
3147 AC_DEFINE(HAVE_X_WINDOWS, 1,
3148 [Define to 1 if you want to use the X window system.])
3150 XOBJ="xterm.o xfns.o xselect.o xrdb.o fontset.o xsmfns.o fringe.o image.o xsettings.o xgselect.o"
3152 if test "$HAVE_XFT" = "yes"; then
3153 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
3154 elif test "$HAVE_FREETYPE" = "yes"; then
3155 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
3165 if test "${USE_X_TOOLKIT}" != "none" ; then
3167 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
3168 if test "${USE_X_TOOLKIT}" = "LUCID"; then
3169 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
3170 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
3171 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
3175 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
3176 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
3180 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
3181 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
3182 MOTIF_LIBW="MOTIF_LIBW -lXimp"
3186 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
3187 MOTIF_LIBW="$MOTIF_LIBW -li18n"
3190 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
3193 AC_SUBST(WIDGET_OBJ)
3196 case "$USE_X_TOOLKIT" in
3197 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
3198 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
3199 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
3201 AC_SUBST(TOOLKIT_LIBW)
3203 if test "$USE_X_TOOLKIT" = "none"; then
3204 LIBXT_OTHER="\$(LIBXSM)"
3205 OLDXMENU_TARGET="really-oldXMenu"
3207 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
3208 OLDXMENU_TARGET="really-lwlib"
3210 AC_SUBST(LIBXT_OTHER)
3212 ## The X Menu stuff is present in the X10 distribution, but missing
3213 ## from X11. If we have X10, just use the installed library;
3214 ## otherwise, use our own copy.
3215 if test "${HAVE_X11}" = "yes" ; then
3216 AC_DEFINE(HAVE_X11, 1,
3217 [Define to 1 if you want to use version 11 of X windows.
3218 Otherwise, Emacs expects to use version 10.])
3220 if test "$USE_X_TOOLKIT" = "none"; then
3221 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
3223 OLDXMENU="\${lwlibdir}/liblw.a"
3225 LIBXMENU="\$(OLDXMENU)"
3226 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
3227 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
3229 ## For a syntactically valid Makefile; not actually used for anything.
3230 ## See comments in src/Makefile.in.
3232 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
3233 if test "${HAVE_X_WINDOWS}" = "yes"; then
3242 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
3249 AC_SUBST(OLDXMENU_TARGET)
3252 AC_SUBST(LIBX_OTHER)
3253 AC_SUBST(OLDXMENU_DEPS)
3255 if test "${HAVE_MENUS}" = "yes" ; then
3256 AC_DEFINE(HAVE_MENUS, 1,
3257 [Define to 1 if you have mouse menus.
3258 (This is automatic if you use X, but the option to specify it remains.)
3259 It is also defined with other window systems that support xmenu.c.])
3262 if test "${GNU_MALLOC}" = "yes" ; then
3263 AC_DEFINE(GNU_MALLOC, 1,
3264 [Define to 1 if you want to use the GNU memory allocator.])
3268 if test "${REL_ALLOC}" = "yes" ; then
3269 AC_DEFINE(REL_ALLOC, 1,
3270 [Define REL_ALLOC if you want to use the relocating allocator for
3273 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
3275 AC_SUBST(RALLOC_OBJ)
3277 if test "$opsys" = "cygwin"; then
3278 CYGWIN_OBJ="sheap.o"
3279 ## Cygwin differs because of its unexec().
3281 POST_ALLOC_OBJ=lastfile.o
3284 PRE_ALLOC_OBJ=lastfile.o
3287 AC_SUBST(CYGWIN_OBJ)
3288 AC_SUBST(PRE_ALLOC_OBJ)
3289 AC_SUBST(POST_ALLOC_OBJ)
3293 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
3296 ## The -headerpad option tells ld (see man page) to leave room at the
3297 ## end of the header for adding load commands. Needed for dumping.
3298 ## 0x690 is the total size of 30 segment load commands (at 56
3299 ## each); under Cocoa 31 commands are required.
3300 if test "$HAVE_NS" = "yes"; then
3301 libs_nsgui="-framework AppKit"
3307 LD_SWITCH_SYSTEM_TEMACS="-prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
3309 ## This is here because src/Makefile.in did some extra fiddling around
3310 ## with LD_SWITCH_SYSTEM. The cpp logic was:
3311 ## #ifndef LD_SWITCH_SYSTEM
3312 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
3313 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
3314 ## not using gcc, darwin system not on an alpha (ie darwin, since
3315 ## darwin + alpha does not occur).
3316 ## Because this was done in src/Makefile.in, the resulting part of
3317 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
3318 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
3319 ## rather than LD_SWITCH_SYSTEM.
3320 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
3321 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
3324 ## LD_SWITCH_X_SITE_AUX is a -R option saying where to find X at run-time.
3325 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at
3326 ## the point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_AUX
3327 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
3328 ## had different values in configure (in ac_link) and src/Makefile.in.
3329 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
3330 gnu-linux) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_AUX)" ;;
3332 *) LD_SWITCH_SYSTEM_TEMACS= ;;
3335 if test "$NS_IMPL_GNUSTEP" = "yes"; then
3336 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
3339 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
3345 ## gnu: GNU needs its own crt0.
3346 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|sol2*|unixware) ORDINARY_LINK=yes ;;
3348 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
3349 ## library search parth, i.e. it won't search /usr/lib for libc and
3350 ## friends. Using -nostartfiles instead avoids this problem, and
3351 ## will also work on earlier NetBSD releases.
3352 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
3354 ## macpcc: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
3355 ## MkLinux/LinuxPPC needs this.
3356 ## ibms390x only supports opsys = gnu-linux so it can be added here.
3359 macppc|ibms390x) LD_FIRSTFLAG="-nostdlib" ;;
3365 if test "x$ORDINARY_LINK" = "xyes"; then
3368 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
3370 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
3371 ## freebsd, gnu-* not on macppc|ibms390x.
3372 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
3374 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
3375 ## places that are difficult to figure out at make time. Fortunately,
3376 ## these same versions allow you to pass arbitrary flags on to the
3377 ## linker, so there is no reason not to use it as a linker.
3379 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
3380 ## searching for libraries in its internal directories, so we have to
3381 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
3382 LD_FIRSTFLAG="-nostdlib"
3385 ## FIXME? What setting of EDIT_LDFLAGS should this have?
3386 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
3388 AC_SUBST(LD_FIRSTFLAG)
3391 ## FIXME? The logic here is not precisely the same as that above.
3392 ## There is no check here for a pre-defined LD_FIRSTFLAG.
3393 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
3395 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
3398 freebsd|netbsd|openbsd) LIB_GCC= ;;
3401 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
3402 ## build on ARM EABI under GNU/Linux. (Bug#5518)
3408 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
3409 ## immediately undefine it again and redefine it to empty.
3410 ## Was the C_SWITCH_X_SITE part really necessary?
3411 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
3417 ## Ask GCC where to find libgcc.a.
3418 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
3426 ## If we're using X11/GNUstep, define some consequences.
3427 if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
3428 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
3429 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
3430 MOUSE_SUPPORT="\$(REAL_MOUSE_SUPPORT)"
3431 TOOLTIP_SUPPORT="\${lispsource}/mouse.elc"
3433 WINDOW_SUPPORT="\$(BASE_WINDOW_SUPPORT)"
3434 test "$HAVE_X_WINDOWS" = "yes" && \
3435 WINDOW_SUPPORT="$WINDOW_SUPPORT \$(X_WINDOW_SUPPORT)"
3438 AC_SUBST(MOUSE_SUPPORT)
3439 AC_SUBST(TOOLTIP_SUPPORT)
3440 AC_SUBST(WINDOW_SUPPORT)
3443 AH_TOP([/* GNU Emacs site configuration template file.
3445 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2011
3446 Free Software Foundation, Inc.
3448 This file is part of GNU Emacs.
3450 GNU Emacs is free software: you can redistribute it and/or modify
3451 it under the terms of the GNU General Public License as published by
3452 the Free Software Foundation, either version 3 of the License, or
3453 (at your option) any later version.
3455 GNU Emacs is distributed in the hope that it will be useful,
3456 but WITHOUT ANY WARRANTY; without even the implied warranty of
3457 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3458 GNU General Public License for more details.
3460 You should have received a copy of the GNU General Public License
3461 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
3464 /* No code in Emacs #includes config.h twice, but some bits of code
3465 intended to work with other packages as well (like gmalloc.c)
3466 think they can include it as many times as they like. */
3467 #ifndef EMACS_CONFIG_H
3468 #define EMACS_CONFIG_H
3472 /* Define AMPERSAND_FULL_NAME if you use the convention
3473 that & in the full name stands for the login id. */
3474 /* Turned on June 1996 supposing nobody will mind it. */
3475 #define AMPERSAND_FULL_NAME
3477 /* If using GNU, then support inline function declarations. */
3478 /* Don't try to switch on inline handling as detected by AC_C_INLINE
3479 generally, because even if non-gcc compilers accept `inline', they
3480 may reject `extern inline'. */
3481 #if defined (__GNUC__)
3482 #define INLINE __inline__
3487 /* `subprocesses' should be defined if you want to
3488 have code for asynchronous subprocesses
3489 (as used in M-x compile and M-x shell).
3490 Only MSDOS does not support this (it overrides
3491 this in its config_opsysfile below). */
3493 #define subprocesses
3495 /* Include the os and machine dependent files. */
3496 #include config_opsysfile
3497 #ifdef config_machfile
3498 # include config_machfile
3501 /* GNUstep needs a bit more pure memory. Of the existing knobs,
3502 SYSTEM_PURESIZE_EXTRA seems like the least likely to cause problems.
3503 (There is probably a better place to do this, but right now the
3504 Cocoa side does this in s/darwin.h and we cannot parallel this
3505 exactly since GNUstep is multi-OS. */
3506 #if defined HAVE_NS && defined NS_IMPL_GNUSTEP
3507 # define SYSTEM_PURESIZE_EXTRA 30000
3510 #ifdef emacs /* Don't do this for lib-src. */
3511 /* Tell regex.c to use a type compatible with Emacs. */
3512 #define RE_TRANSLATE_TYPE Lisp_Object
3513 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
3515 /* If make_number is a macro, use it. */
3516 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
3518 /* If make_number is a function, avoid it. */
3519 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3523 /* These default definitions are good for almost all machines.
3524 Any exceptions should override them in m/MACHINE.h.
3525 They must be usable in preprocessor conditionals. */
3527 #ifndef BITS_PER_CHAR
3528 #define BITS_PER_CHAR 8
3531 #ifndef BITS_PER_SHORT
3532 #define BITS_PER_SHORT 16
3535 #ifndef BITS_PER_INT
3536 #define BITS_PER_INT 32
3539 #ifndef BITS_PER_LONG
3541 #define BITS_PER_LONG 64
3543 #define BITS_PER_LONG 32
3547 #if !defined BITS_PER_LONG_LONG && HAVE_LONG_LONG_INT
3548 #define BITS_PER_LONG_LONG 64
3551 /* Define if the compiler supports function prototypes. It may do so but
3552 not define __STDC__ (e.g. DEC C by default) or may define it as zero. */
3558 #ifdef HAVE_ALLOCA_H
3559 # include <alloca.h>
3560 #elif defined __GNUC__
3561 # define alloca __builtin_alloca
3563 # define alloca __alloca
3565 # include <stddef.h>
3569 void *alloca (size_t);
3573 #define strchr(a, b) index (a, b)
3576 #ifndef HAVE_STRRCHR
3577 #define strrchr(a, b) rindex (a, b)
3580 #if defined __GNUC__ && (__GNUC__ > 2 \
3581 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3582 #define NO_RETURN __attribute__ ((__noreturn__))
3584 #define NO_RETURN /* nothing */
3587 #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */
3588 #define NO_INLINE __attribute__((noinline))
3593 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
3594 #define EXTERNALLY_VISIBLE __attribute__((externally_visible))
3596 #define EXTERNALLY_VISIBLE
3599 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
3600 # define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
3602 # define ATTRIBUTE_FORMAT(spec) /* empty */
3605 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
3606 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3607 ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument))
3609 # define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \
3610 ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument))
3613 /* Some versions of GNU/Linux define noinline in their headers. */
3618 /* These won't be used automatically yet. We also need to know, at least,
3619 that the stack is continuous. */
3621 # ifndef GC_SETJMP_WORKS
3622 /* GC_SETJMP_WORKS is nearly always appropriate for GCC. */
3623 # define GC_SETJMP_WORKS 1
3625 # ifndef GC_LISP_OBJECT_ALIGNMENT
3626 # define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3630 #endif /* EMACS_CONFIG_H */
3639 #### Report on what we decided to do.
3640 #### Report GTK as a toolkit, even if it doesn't use Xt.
3641 #### It makes printing result more understandable as using GTK sets
3642 #### toolkit_scroll_bars to yes by default.
3643 if test "${HAVE_GTK}" = "yes"; then
3648 if test -n "$machfile"; then
3649 and_machfile=" and \`${machfile}'"
3653 Configured for \`${canonical}'.
3655 Where should the build process find the source code? ${srcdir}
3656 What operating system and machine description files should Emacs use?
3657 \`${opsysfile}'${and_machfile}
3658 What compiler should emacs be built with? ${CC} ${CFLAGS}
3659 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
3660 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
3661 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
3662 What window system should Emacs use? ${window_system}
3663 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
3665 if test -n "${x_includes}"; then
3666 echo " Where do we find X Windows header files? ${x_includes}"
3668 echo " Where do we find X Windows header files? Standard dirs"
3670 if test -n "${x_libraries}"; then
3671 echo " Where do we find X Windows libraries? ${x_libraries}"
3673 echo " Where do we find X Windows libraries? Standard dirs"
3676 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
3677 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
3678 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
3679 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
3680 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
3681 echo " Does Emacs use -lpng? ${HAVE_PNG}"
3682 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
3683 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
3685 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
3686 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
3687 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
3688 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
3689 echo " Does Emacs use -lgnutls (2.6.x or higher)? ${HAVE_GNUTLS}"
3690 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
3692 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
3693 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
3694 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
3695 echo " Does Emacs use -lxft? ${HAVE_XFT}"
3697 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
3700 if test $USE_XASSERTS = yes; then
3701 echo " Compiling with asserts turned on."
3702 CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3707 if test "$HAVE_NS" = "yes"; then
3709 echo "You must run \"make install\" in order to test the built application.
3710 The installed application will go to nextstep/Emacs.app and can be
3711 run or moved from there."
3712 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
3713 echo "The application will be fully self-contained."
3715 echo "The lisp resources for the application will be installed under ${prefix}.
3716 You may need to run \"make install\" with sudo. The application will fail
3717 to run if these resources are not installed."
3723 # Remove any trailing slashes in these variables.
3724 [test "${prefix}" != NONE &&
3725 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3726 test "${exec_prefix}" != NONE &&
3727 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3729 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
3730 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3731 doc/lispref/Makefile src/Makefile \
3732 lwlib/Makefile lisp/Makefile leim/Makefile test/automated/Makefile])
3734 dnl Make the necessary directories, if they don't exist.
3735 AC_CONFIG_COMMANDS([mkdirs], [
3736 for dir in etc lisp ; do
3737 test -d ${dir} || mkdir ${dir}
3741 dnl You might wonder (I did) why epaths.h is generated by running make,
3742 dnl rather than just letting configure generate it from epaths.in.
3743 dnl One reason is that the various paths are not fully expanded (see above);
3744 dnl eg gamedir=${prefix}/var/games/emacs.
3745 dnl Secondly, the GNU Coding standards require that one should be able
3746 dnl to run `make prefix=/some/where/else' and override the values set
3747 dnl by configure. This also explains the `move-if-change' test and
3748 dnl the use of force in the `epaths-force' rule in Makefile.in.
3749 AC_CONFIG_COMMANDS([epaths], [
3750 echo creating src/epaths.h
3751 ${MAKE-make} epaths-force
3752 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
3754 AC_CONFIG_COMMANDS([gdbinit], [
3755 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3756 echo creating src/.gdbinit
3757 echo source $srcdir/src/.gdbinit > src/.gdbinit
3763 dnl configure.in ends here