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, 1999-2015 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 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 25.0.50, bug-gnu-emacs@gnu.org)
28 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
29 dnl and then quoted again for a C string. Separate options with spaces.
30 dnl Add some environment variables, if they were passed via the environment
31 dnl rather than on the command-line.
34 dnl This is the documented way to record the args passed to configure,
35 dnl rather than $ac_configure_args.
36 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
38 -n | --no-create | --no-recursion)
40 CFLAGS | CPPFLAGS | LDFLAGS)
41 eval 'test "${'$opt'+set}" = set' || continue
43 *" $opt="*) continue ;;
45 eval opt=$opt=\$$opt ;;
48 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
50 *[["$emacs_shell_specials"]]*)
53 emacs_quote_apostrophes="s/'/'\\\\''/g"
54 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
59 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
60 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
63 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
67 AC_CONFIG_HEADERS(src/config.h:src/config.in)
68 AC_CONFIG_SRCDIR(src/lisp.h)
69 AC_CONFIG_AUX_DIR(build-aux)
70 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
71 dnl With older versions this is a no-op.
72 AC_CONFIG_MACRO_DIR(m4)
75 AC_CHECK_PROGS(XCRUN, [xcrun])
76 if test -n "$XCRUN"; then
77 if test -z "$MAKE"; then
78 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
79 dnl the usual MAKE variable that 'make' itself uses.
80 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
81 if test -z "$MAKE_PROG"; then
84 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
89 dnl GNU Make is required, so don't test for its individual features.
90 am_cv_make_support_nested_variables=yes
91 AC_DEFUN([AC_PROG_MAKE_SET],
93 AC_SUBST([SET_MAKE])])
95 dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
96 [emacs_check_gnu_make ()
98 emacs_makeout=`($1 --version) 2>/dev/null` &&
99 case $emacs_makeout in
100 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
101 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
102 ac_path_MAKE_found=:;;
105 AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
106 [ac_path_MAKE_found=false
107 if test -n "$MAKE"; then
108 emacs_check_gnu_make "$MAKE"
109 ac_cv_path_MAKE=$MAKE
111 emacs_tried_make=false
112 emacs_tried_gmake=false
113 emacs_tried_gnumake=false
114 AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
115 [[emacs_check_gnu_make "$ac_path_MAKE"
116 if $ac_path_MAKE_found; then
117 # Use the fully-qualified program name only if the basename
118 # would not resolve to it.
119 if eval \$emacs_tried_$ac_prog; then
120 ac_cv_path_MAKE=$ac_path_MAKE
122 ac_cv_path_MAKE=$ac_prog
125 eval emacs_tried_$ac_prog=:]])
127 $ac_path_MAKE_found || {
128 AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
129 If you have it installed under another name, configure with 'MAKE=...'.
130 For example, run '$0 MAKE=gnu-make'.]])
132 MAKE=$ac_cv_path_MAKE
135 dnl Fairly arbitrary, older versions might work too.
136 AM_INIT_AUTOMAKE(1.11)
138 dnl Canonicalize the configuration name.
144 if test -z "$host_alias"; then
146 # No --host argument was given to 'configure'; therefore $host
147 # was set to a default value based on the build platform. But
148 # this default value may be wrong if we are building from a
149 # 64-bit MSYS[2] pre-configured to build 32-bit MinGW programs.
150 # Therefore, we'll try to get the right host platform from the
153 AC_MSG_CHECKING([the compiler's target])
154 if test -z "$CC"; then
159 cc_target=`$cc -v 2>&1 | sed -n 's/Target: //p'`
163 "") AC_MSG_ERROR([Impossible to obtain $cc compiler target.
164 Please explicitly provide --host.])
166 *) AC_MSG_WARN([Compiler reported non-standard target.
167 Defaulting to $host.])
170 AC_MSG_RESULT([$host])
173 . $srcdir/nt/mingw-cfg.site
177 # srcdir is an absolute path. In this case, force the format
178 # "/c/foo/bar", to simplify later conversions to native Windows
179 # format ("c:/foo/bar").
180 srcdir=`cd "${srcdir}" && pwd -W`
181 # 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612).
182 eval 'srcdir="/${srcdir:0:1}${srcdir:2}"'
188 configuration=${host_alias-${build_alias-$host}}
190 dnl Support for --program-prefix, --program-suffix and
191 dnl --program-transform-name options
194 dnl It is important that variables on the RHS not be expanded here,
195 dnl hence the single quotes. This is per the GNU coding standards, see
196 dnl (autoconf) Installation Directory Variables
197 dnl See also epaths.h below.
198 lispdir='${datadir}/emacs/${version}/lisp'
199 standardlisppath='${lispdir}'
200 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
201 '${datadir}/emacs/site-lisp'
202 lisppath='${locallisppath}:${standardlisppath}'
203 etcdir='${datadir}/emacs/${version}/etc'
204 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
205 etcdocdir='${datadir}/emacs/${version}/etc'
206 gamedir='${localstatedir}/games/emacs'
208 dnl Special option to disable the most of other options.
210 [AS_HELP_STRING([--without-all],
211 [omit almost all features and build
212 small executable with minimal dependencies])],
213 [with_features=$withval],
216 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
217 dnl Create a new --with option that defaults to being disabled.
218 dnl NAME is the base name of the option. The shell variable with_NAME
219 dnl will be set to either the user's value (if the option is
220 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
221 dnl option is not specified). Note that the shell variable name is
222 dnl constructed as autoconf does, by replacing non-alphanumeric
223 dnl characters with "_".
224 dnl HELP-STRING is the help text for the option.
225 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
226 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
227 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
230 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
231 dnl Create a new --with option that defaults to $with_features.
232 dnl NAME is the base name of the option. The shell variable with_NAME
233 dnl will be set either to 'no' (for a plain --without-NAME) or to
234 dnl 'yes' (if the option is not specified). Note that the shell
235 dnl variable name is constructed as autoconf does, by replacing
236 dnl non-alphanumeric characters with "_".
237 dnl HELP-STRING is the help text for the option.
238 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
239 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
240 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
243 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
244 if test "$with_pop" = yes; then
245 AC_DEFINE(MAIL_USE_POP)
247 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
249 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
250 if test "$with_kerberos" != no; then
253 AH_TEMPLATE(KERBEROS,
254 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
256 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
257 if test "${with_kerberos5}" != no; then
258 if test "${with_kerberos}" = no; then
262 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
265 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
266 dnl FIXME hesiod support may not be present, so it seems like an error
267 dnl to define, or at least use, this unconditionally.
268 if test "$with_hesiod" != no; then
269 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
272 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
273 if test "$with_mmdf" != no; then
274 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
277 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
278 if test "$with_mail_unlink" != no; then
279 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
282 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
283 [string giving default POP mail host])],
284 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
286 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
287 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
288 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
289 [ case "${withval}" in
290 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
291 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
292 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
297 [with_sound=$with_features])
299 dnl FIXME currently it is not the last.
300 dnl This should be the last --with option, because --with-x is
301 dnl added later on when we find the file name of X, and it's best to
302 dnl keep them together visually.
303 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
304 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
305 [ case "${withval}" in
306 y | ye | yes ) val=gtk ;;
308 l | lu | luc | luci | lucid ) val=lucid ;;
309 a | at | ath | athe | athen | athena ) val=athena ;;
310 m | mo | mot | moti | motif ) val=motif ;;
311 g | gt | gtk ) val=gtk ;;
315 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
316 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
317 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
318 `athena' and `lucid' are synonyms.])
324 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
325 if test "$with_wide_int" = yes; then
326 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
329 dnl _ON results in a '--without' option in the --help output, so
330 dnl the help text should refer to "don't compile", etc.
331 with_xpm_set=${with_xpm+set}
332 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
333 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
334 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
335 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
336 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
337 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
338 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
339 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
341 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
342 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
343 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
345 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
346 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
347 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
348 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
349 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
351 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
352 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
353 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
354 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
355 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
356 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
357 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
359 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
360 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
361 [ case "${withval}" in
362 y | ye | yes ) val=yes ;;
364 g | gf | gfi | gfil | gfile ) val=gfile ;;
365 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
366 w | w3 | w32 ) val=w32 ;;
367 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
368 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
369 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
370 otherwise for the first of `gfile' or `inotify' that is usable.])
373 with_file_notification=$val
375 [with_file_notification=$with_features])
377 OPTION_DEFAULT_OFF([xwidgets],[enable use of some gtk widgets it Emacs buffers])
379 ## For the times when you want to build Emacs but don't have
380 ## a suitable makeinfo, and can live without the manuals.
381 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
382 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
384 ## This might be a 'configure' arg.
385 AC_SUBST([ACLOCAL_PATH])
387 ## Makefile.in needs the cache file name.
390 ## This is an option because I do not know if all info/man support
391 ## compressed files, nor how to test if they do so.
392 OPTION_DEFAULT_ON([compress-install],
393 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
394 make GZIP_PROG= install])
396 AC_ARG_WITH(gameuser,dnl
397 [AS_HELP_STRING([--with-gameuser=USER_OR_GROUP],
398 [user for shared game score files.
399 An argument prefixed by ':' specifies a group instead.])])
402 case ${with_gameuser} in
405 AC_MSG_CHECKING([whether a 'games' user exists])
406 if id -u games >/dev/null 2>&1; then
413 :*) gamegroup=`echo "${with_gameuser}" | sed -e "s/://"` ;;
414 *) gameuser=${with_gameuser} ;;
417 AC_ARG_WITH([gnustep-conf],dnl
418 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
419 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
420 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
421 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
422 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
423 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
425 AC_ARG_ENABLE(ns-self-contained,
426 [AS_HELP_STRING([--disable-ns-self-contained],
427 [disable self contained build under NeXTstep])],
428 EN_NS_SELF_CONTAINED=$enableval,
429 EN_NS_SELF_CONTAINED=yes)
431 AC_ARG_ENABLE(locallisppath,
432 [AS_HELP_STRING([--enable-locallisppath=PATH],
433 [directories Emacs should search for lisp files specific
435 if test "${enableval}" = "no"; then
437 elif test "${enableval}" != "yes"; then
438 locallisppath=${enableval}
441 AC_ARG_ENABLE(checking,
442 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
443 [enable expensive run-time checks. With LIST,
444 enable only specific categories of checks.
445 Categories are: all,yes,no.
446 Flags are: stringbytes, stringoverrun, stringfreelist,
447 xmallocoverrun, conslist, glyphs])],
448 [ac_checking_flags="${enableval}"],[])
449 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
450 for check in $ac_checking_flags
453 # these set all the flags to specific states
454 yes) ac_enable_checking=1 ;;
455 no) ac_enable_checking= ;
456 ac_gc_check_stringbytes= ;
457 ac_gc_check_string_overrun= ;
458 ac_gc_check_string_free_list= ;
459 ac_xmalloc_overrun= ;
460 ac_gc_check_cons_list= ;
462 all) ac_enable_checking=1 ;
463 ac_gc_check_stringbytes=1 ;
464 ac_gc_check_string_overrun=1 ;
465 ac_gc_check_string_free_list=1 ;
466 ac_xmalloc_overrun=1 ;
467 ac_gc_check_cons_list=1 ;
469 # these enable particular checks
470 stringbytes) ac_gc_check_stringbytes=1 ;;
471 stringoverrun) ac_gc_check_string_overrun=1 ;;
472 stringfreelist) ac_gc_check_string_free_list=1 ;;
473 xmallocoverrun) ac_xmalloc_overrun=1 ;;
474 conslist) ac_gc_check_cons_list=1 ;;
475 glyphs) ac_glyphs_debug=1 ;;
476 *) AC_MSG_ERROR(unknown check category $check) ;;
481 if test x$ac_enable_checking != x ; then
482 AC_DEFINE(ENABLE_CHECKING, 1,
483 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
485 if test x$ac_gc_check_stringbytes != x ; then
486 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
487 [Define this temporarily to hunt a bug. If defined, the size of
488 strings is redundantly recorded in sdata structures so that it can
489 be compared to the sizes recorded in Lisp strings.])
491 if test x$ac_gc_check_string_overrun != x ; then
492 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
493 [Define this to check for short string overrun.])
495 if test x$ac_gc_check_string_free_list != x ; then
496 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
497 [Define this to check the string free list.])
499 if test x$ac_xmalloc_overrun != x ; then
500 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
501 [Define this to check for malloc buffer overrun.])
503 if test x$ac_gc_check_cons_list != x ; then
504 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
505 [Define this to check for errors in cons list.])
507 if test x$ac_glyphs_debug != x ; then
508 AC_DEFINE(GLYPH_DEBUG, 1,
509 [Define this to enable glyphs debugging code.])
512 AC_ARG_ENABLE(check-lisp-object-type,
513 [AS_HELP_STRING([--enable-check-lisp-object-type],
514 [enable compile time checks for the Lisp_Object data type.
515 This is useful for development for catching certain types of bugs.])],
516 if test "${enableval}" != "no"; then
517 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
518 [Define this to enable compile time checks for the Lisp_Object data type.])
522 dnl The name of this option is unfortunate. It predates, and has no
523 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
524 dnl Actually, it stops it working.
525 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
526 AC_ARG_ENABLE(profiling,
527 [AS_HELP_STRING([--enable-profiling],
528 [build emacs with low-level, gprof profiling support.
529 Mainly useful for debugging Emacs itself. May not work on
530 all platforms. Stops profiler.el working.])],
531 [ac_enable_profiling="${enableval}"],[])
532 if test x$ac_enable_profiling != x ; then
533 PROFILING_CFLAGS="-DPROFILING=1 -pg"
537 AC_SUBST(PROFILING_CFLAGS)
539 AC_ARG_ENABLE(autodepend,
540 [AS_HELP_STRING([--enable-autodepend],
541 [automatically generate dependencies to .h-files.
542 Requires gcc, enabled if found.])],
543 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
545 AC_ARG_ENABLE(gtk-deprecation-warnings,
546 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
547 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
548 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
550 dnl This used to use changequote, but, apart from `changequote is evil'
551 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
552 dnl the great gob of text. Thus it's not processed for possible expansion.
553 dnl Just make sure the brackets remain balanced.
555 dnl Since Emacs can't find matching pairs of quotes, boundaries are
556 dnl indicated by comments.
560 ### If you add support for a new configuration, add code to this
561 ### switch statement to recognize your configuration name and select
562 ### the appropriate opsys.
564 ### As far as handling version numbers on operating systems is
565 ### concerned, make sure things will fail in a fixable way. If
566 ### /etc/MACHINES doesn't say anything about version numbers, be
567 ### prepared to handle anything reasonably. If version numbers
568 ### matter, be sure /etc/MACHINES says something about it.
571 case "${canonical}" in
573 ## GNU/Linux and similar ports
588 ## FreeBSD kernel + glibc based userland
599 *-*-openbsd* | *-*-mirbsd* )
603 ## Apple Darwin / Mac OS X
605 case "${canonical}" in
606 *-apple-darwin[0-9].*) unported=yes ;;
607 i[3456]86-* | x86_64-* ) ;;
611 ## Use fink packages if available.
612 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
613 ## if test -d /sw/include && test -d /sw/lib; then
614 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
615 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
624 ## HP 9000 series 700 and 800, running HP/UX
628 hppa*-hp-hpux1[1-9]* )
630 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
634 rs6000-ibm-aix4.[23]* )
637 powerpc-ibm-aix4.[23]* )
640 rs6000-ibm-aix[56]* )
643 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
647 ## Silicon Graphics machines
651 # Without defining _LANGUAGE_C, things get masked out in the headers
652 # so that, for instance, grepping for `free' in stdlib.h fails and
653 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
654 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
659 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
660 | x86_64-*-solaris2* | x86_64-*-sunos5*)
661 case "${canonical}" in
663 amd64-*-*|x86_64-*-*) ;;
667 case "${canonical}" in
668 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
670 emacs_check_sunpro_c=yes
672 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
673 ## Note that Emacs 23.1's NEWS said the following would be dropped.
674 *-sunos5.6* | *-solaris2.6* )
678 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
679 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
681 emacs_check_sunpro_c=yes
684 ## Watch out for a compiler that we know will not work.
685 case "${canonical}" in
686 *-solaris* | *-sunos5* )
687 if [ "x$CC" = x/usr/ucb/cc ]; then
688 ## /usr/ucb/cc doesn't work;
689 ## we should find some other compiler that does work.
697 ## Intel 386 machines where we don't care about the manufacturer.
699 case "${canonical}" in
700 *-darwin* ) opsys=darwin ;;
703 # MinGW overrides and adds some system headers in nt/inc.
704 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
706 *-sysv4.2uw* ) opsys=unixware ;;
707 *-sysv5uw* ) opsys=unixware ;;
708 *-sysv5OpenUNIX* ) opsys=unixware ;;
709 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
715 case "${canonical}" in
718 # MinGW overrides and adds some system headers in nt/inc.
719 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
721 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
730 ### If the code above didn't choose an operating system, just choose
731 ### an operating system based on the configuration name. You really
732 ### only want to use this when you have no idea what the right
733 ### operating system is; if you know what operating systems a machine
734 ### runs, it's cleaner to make it explicit in the case statement
736 if test x"${opsys}" = x; then
737 case "${canonical}" in
738 *-gnu* ) opsys=gnu ;;
748 if test $unported = yes; then
749 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
750 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
751 Check `etc/MACHINES' for recognized configuration names.])
754 #### Choose a compiler.
756 dnl Don't bother to test for C89.
757 AC_DEFUN([_AC_PROG_CC_C89], [$2])
759 dnl Sets GCC=yes if using gcc.
760 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
761 if test -n "$XCRUN"; then
762 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
763 test -n "$AR" && export AR
766 dnl Emacs needs C99 or later.
771 if test x$GCC = xyes; then
772 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
774 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
777 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
778 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
779 dnl that clash with MinGW.
780 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
782 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
783 AC_DEFUN([gl_CRYPTO_CHECK])
784 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
785 # as we don't use them.
786 AC_DEFUN([gl_FCNTL_O_FLAGS])
788 # Initialize gnulib right after choosing the compiler.
789 dnl Amongst other things, this sets AR and ARFLAGS.
792 if test "$ac_test_CFLAGS" != set; then
793 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
794 # if -g3 works and the user does not specify CFLAGS.
795 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
798 emacs_g3_CFLAGS='-g3';;
800 emacs_g3_CFLAGS='-g3 -O2';;
804 if test -n "$emacs_g3_CFLAGS"; then
805 emacs_save_CFLAGS=$CFLAGS
806 CFLAGS=$emacs_g3_CFLAGS
807 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
808 [emacs_cv_prog_cc_g3],
809 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
810 [emacs_cv_prog_cc_g3=yes],
811 [emacs_cv_prog_cc_g3=no])])
812 if test $emacs_cv_prog_cc_g3 != yes; then
813 CFLAGS=$emacs_save_CFLAGS
815 if test $opsys = mingw32; then
816 CFLAGS="$CFLAGS -gdwarf-2"
823 # No optimization flag was inferred for this non-GCC compiler.
824 # Try -O. This is needed for xlc on AIX; see Bug#14258.
825 emacs_save_CFLAGS=$CFLAGS
826 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
828 AC_CACHE_CHECK([whether $CC accepts -O],
829 [emacs_cv_prog_cc_o],
830 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
831 [emacs_cv_prog_cc_o=yes],
832 [emacs_cv_prog_cc_o=no])])
833 if test $emacs_cv_prog_cc_o != yes; then
834 CFLAGS=$emacs_save_CFLAGS
839 AC_ARG_ENABLE([gcc-warnings],
840 [AS_HELP_STRING([--enable-gcc-warnings],
841 [turn on lots of GCC warnings/errors. This is intended for
842 developers, and may generate false alarms when used
843 with older or non-GNU development tools.])],
846 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
848 gl_gcc_warnings=$enableval],
852 # clang is unduly picky about some things.
853 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
860 [emacs_cv_clang=yes],
861 [emacs_cv_clang=no])])
863 # When compiling with GCC, prefer -isystem to -I when including system
864 # include files, to avoid generating useless diagnostics for the files.
865 if test "$gl_gcc_warnings" != yes; then
867 if test "$emacs_cv_clang" = yes
869 # Turn off some warnings if supported.
870 gl_WARN_ADD([-Wno-switch])
871 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
872 gl_WARN_ADD([-Wno-pointer-sign])
873 gl_WARN_ADD([-Wno-string-plus-int])
878 # This, $nw, is the list of warnings we disable.
881 case $with_x_toolkit in
882 lucid | athena | motif)
883 # Old toolkits mishandle 'const'.
884 nw="$nw -Wwrite-strings"
887 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
890 AC_SUBST([WERROR_CFLAGS])
892 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
893 nw="$nw -Woverlength-strings" # Not a problem these days
894 nw="$nw -Wformat-nonliteral" # we do this a lot
895 nw="$nw -Wvla" # Emacs uses <vla.h>.
896 nw="$nw -Wswitch-default" # Too many warnings for now
897 nw="$nw -Winline" # OK to ignore 'inline'
898 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
899 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
900 # signed overflow has undefined behavior
901 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
902 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
903 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
905 # Emacs doesn't care about shadowing; see
906 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
909 # Emacs's use of alloca inhibits protecting the stack.
910 nw="$nw -Wstack-protector"
912 # Emacs's use of partly-const functions such as Fgnutls_available_p
913 # make this option problematic.
914 nw="$nw -Wsuggest-attribute=const"
916 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
917 # option problematic.
918 nw="$nw -Wsuggest-attribute=pure"
920 # This part is merely for shortening the command line,
921 # since -Wno-FOO needs to be added below regardless.
922 nw="$nw -Wmissing-field-initializers"
924 nw="$nw -Wtype-limits"
925 nw="$nw -Wunused-parameter"
927 if test $emacs_cv_clang = yes; then
928 nw="$nw -Wcast-align"
931 gl_MANYWARN_ALL_GCC([ws])
932 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
936 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
937 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
938 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
939 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
940 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
941 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
942 gl_WARN_ADD([-Wno-format-nonliteral])
944 # More things that clang is unduly picky about.
945 if test $emacs_cv_clang = yes; then
946 gl_WARN_ADD([-Wno-format-extra-args])
947 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
948 gl_WARN_ADD([-Wno-unused-command-line-argument])
949 gl_WARN_ADD([-Wno-unused-value])
952 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
953 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
954 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
955 [/* Enable compile-time and run-time bounds-checking, and some warnings,
956 without upsetting glibc 2.15+. */
957 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
958 && defined __OPTIMIZE__ && __OPTIMIZE__)
959 # define _FORTIFY_SOURCE 2
963 # We use a slightly smaller set of warning options for lib/.
964 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
966 nw="$nw -Wunused-macros"
968 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
969 AC_SUBST([GNULIB_WARN_CFLAGS])
979 AC_ARG_ENABLE(link-time-optimization,
980 [AS_HELP_STRING([--enable-link-time-optimization],
981 [build emacs with link-time optimization.
982 This requires GCC 4.5.0 or later, or clang.
983 (Note that clang support is experimental - see INSTALL.)
984 It also makes Emacs harder to debug, and when we tried it
985 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
986 recommended for typical use.])],
987 if test "${enableval}" != "no"; then
989 if test $emacs_cv_clang = yes; then
990 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
991 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
992 if test -x "$GOLD_PLUGIN"; then
995 elif test x$GCC = xyes; then
996 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
997 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
998 if test x$CPUS != x; then
1004 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1006 if test -z "$LTO"; then
1010 CFLAGS="$CFLAGS $LTO"
1011 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1012 [ac_lto_supported=yes], [ac_lto_supported=no])
1013 CFLAGS="$old_CFLAGS"
1015 AC_MSG_RESULT([$ac_lto_supported])
1016 if test "$ac_lto_supported" = "yes"; then
1017 CFLAGS="$CFLAGS $LTO"
1018 if test x$emacs_cv_clang = xyes; then
1019 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1020 # WARNING: 'ar --plugin ...' doesn't work without
1021 # command, so plugin name is appended to ARFLAGS.
1022 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1023 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1025 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1026 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1027 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1028 dnl dump core on Fedora 20, so play it safe for now.
1029 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1030 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1035 dnl Prefer silent make output. For verbose output, use
1036 dnl 'configure --disable-silent-rules' or 'make V=1' .
1037 AM_SILENT_RULES([yes])
1038 dnl Port to Automake 1.11.
1039 dnl This section can be removed once we assume Automake 1.14 or later.
1040 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1041 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1043 AM_SUBST_NOTMAKE([AM_V])
1044 AC_SUBST([AM_DEFAULT_V])
1045 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1046 AC_SUBST([AM_DEFAULT_VERBOSITY])
1048 dnl Some other nice autoconf tests.
1049 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1052 dnl if test "x$RANLIB" = x; then
1057 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1058 dnl can be made to directories. This is not relevant for our usage, and
1059 dnl excludes some cases that work fine for us. Eg MS Windows or files
1060 dnl hosted on AFS, both examples where simple links work, but links to
1061 dnl directories fail. We use a cut-down version instead.
1064 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1065 rm -f conf$$ conf$$.file
1067 LN_S_FILEONLY='cp -p'
1069 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1070 dnl random program in the current directory.
1071 if (echo >conf$$.file) 2>/dev/null; then
1072 if ln -s conf$$.file conf$$ 2>/dev/null; then
1073 if test "$opsys" = "mingw32"; then
1074 LN_S_FILEONLY='/bin/ln -s'
1076 LN_S_FILEONLY='ln -s'
1078 elif ln conf$$.file conf$$ 2>/dev/null; then
1079 if test "$opsys" = "mingw32"; then
1080 LN_S_FILEONLY=/bin/ln
1087 rm -f conf$$ conf$$.file
1089 if test "$LN_S_FILEONLY" = "ln -s"; then
1090 AC_MSG_RESULT([yes])
1092 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1095 AC_SUBST(LN_S_FILEONLY)
1098 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1099 dnl doesn't support links to directories, as in "ln file dir". But that
1100 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1101 dnl executables at "make install" time.
1102 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1103 dnl for more details.
1104 if test "$opsys" = "mingw32"; then
1108 dnl On some Debian versions, "install-info" prints irritating messages
1109 dnl "This is not dpkg install-info anymore, but GNU install-info"
1110 dnl if called via an absolute file name.
1111 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1112 dnl Sadly some people may have an old ginstall-info installed on
1113 dnl non-Debian systems, so we can't use this.
1114 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1115 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1117 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1118 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1119 dnl Don't use GZIP, which is used by gzip for additional parameters.
1120 AC_PATH_PROG(GZIP_PROG, gzip)
1122 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1123 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1125 if test $opsys = gnu-linux; then
1126 AC_PATH_PROG(PAXCTL, paxctl,,
1127 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1128 if test "X$PAXCTL" != X; then
1129 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1130 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1131 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1132 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1135 if test "${SETFATTR+set}" != set; then
1136 AC_CACHE_CHECK([for setfattr],
1137 [emacs_cv_prog_setfattr],
1139 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1140 emacs_cv_prog_setfattr=yes
1142 emacs_cv_prog_setfattr=no
1144 if test "$emacs_cv_prog_setfattr" = yes; then
1150 AC_SUBST([SETFATTR])
1154 ## Need makeinfo >= 4.7 (?) to build the manuals.
1155 if test "$MAKEINFO" != "no"; then
1156 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1159 case `($MAKEINFO --version) 2>/dev/null` in
1160 *' (GNU texinfo) '4.[[7-9]]* | \
1161 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1162 *' (GNU texinfo) '[[5-9]]* | \
1163 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1168 ## Makeinfo is unusual. For a released Emacs, the manuals are
1169 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1170 ## therefore in the category of "special tools" not normally required, which
1171 ## configure does not have to check for (eg autoconf itself).
1172 ## In a repository checkout on the other hand, the manuals are not included.
1173 ## So makeinfo is a requirement to build from the repository, and configure
1174 ## should test for it as it does for any other build requirement.
1175 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1176 ## with pre-built manuals, from a repository checkout.
1179 if test "$MAKEINFO" = "no"; then
1181 if test "x${with_makeinfo}" = "xno"; then
1183 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1184 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1185 source tree does not seem to have pre-built manuals in the `info' directory.
1186 Either install a suitable version of makeinfo, or re-run configure
1187 with the `--without-makeinfo' option to build without the manuals.] )
1190 AC_SUBST(HAVE_MAKEINFO)
1192 if test $opsys = mingw32; then
1193 DOCMISC_W32=efaq-w32
1197 AC_SUBST(DOCMISC_W32)
1199 dnl Add our options to ac_link now, after it is set up.
1201 if test x$GCC = xyes; then
1202 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1203 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1205 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1206 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1209 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1210 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1211 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1212 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1213 dnl if not built to support GNU ld.
1215 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1216 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1217 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1218 dnl Eg "make LDFLAGS=... all" could run into problems,
1219 dnl http://bugs.debian.org/684788
1220 dnl * unnecessary, since temacs is the only thing that actually needs it.
1221 dnl Indeed this is where it was originally, prior to:
1222 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1223 late_LDFLAGS="$LDFLAGS"
1224 if test x$GCC = xyes; then
1225 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1227 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1230 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1232 AC_MSG_CHECKING([for -znocombreloc])
1233 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1234 [AC_MSG_RESULT(yes)],
1235 LDFLAGS_NOCOMBRELOC=
1236 [AC_MSG_RESULT(no)])
1238 LDFLAGS="$late_LDFLAGS"
1240 AC_CACHE_CHECK([whether addresses are sanitized],
1241 [emacs_cv_sanitize_address],
1244 [[#ifndef __has_feature
1245 #define __has_feature(f) 0
1247 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1249 error "Addresses are not sanitized.";
1252 [emacs_cv_sanitize_address=yes],
1253 [emacs_cv_sanitize_address=no])])
1255 dnl The function dump-emacs will not be defined and temacs will do
1256 dnl (load "loadup") automatically unless told otherwise.
1257 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1259 your-opsys-here) CANNOT_DUMP=yes ;;
1262 if test "$CANNOT_DUMP" = "yes"; then
1263 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1264 elif test "$emacs_cv_sanitize_address" = yes; then
1265 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1268 AC_SUBST(CANNOT_DUMP)
1271 UNEXEC_OBJ=unexelf.o
1273 # MSDOS uses unexcoff.o
1275 UNEXEC_OBJ=unexaix.o
1281 UNEXEC_OBJ=unexmacosx.o
1284 UNEXEC_OBJ=unexhp9k800.o
1287 UNEXEC_OBJ=unexw32.o
1290 # Use the Solaris dldump() function, called from unexsol.c, to dump
1291 # emacs, instead of the generic ELF dump code found in unexelf.c.
1292 # The resulting binary has a complete symbol table, and is better
1293 # for debugging and other observability tools (debuggers, pstack, etc).
1295 # If you encounter a problem using dldump(), please consider sending
1296 # a message to the OpenSolaris tools-linking mailing list:
1297 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1299 # It is likely that dldump() works with older Solaris too, but this has
1300 # not been tested, so for now this change is for Solaris 10 or newer.
1301 UNEXEC_OBJ=unexsol.o
1308 ## Let `ld' find image libs and similar things in /usr/local/lib.
1309 ## The system compiler, GCC, has apparently been modified to not
1310 ## look there, contrary to what a stock GCC would do.
1311 ### It's not our place to do this. See bug#10313#17.
1312 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1317 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1318 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1322 ### It's not our place to do this. See bug#10313#17.
1323 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1328 ## Han Boetes <han@boetes.org> says this is necessary,
1329 ## otherwise Emacs dumps core on elf systems.
1330 LD_SWITCH_SYSTEM="-Z"
1333 AC_SUBST(LD_SWITCH_SYSTEM)
1335 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1337 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1338 ## which has not been defined yet. When this was handled with cpp,
1339 ## it was expanded to null when configure sourced the s/*.h file.
1340 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1341 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1342 ## (or somesuch), but because it is supposed to go at the _front_
1343 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1344 ## Compare with the gnu-linux case below, which added to the end
1345 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1346 ## LD_SWITCH_SYSTEM_TEMACS.
1349 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1356 AC_CHECK_DECL([__ELF__])
1357 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1358 ## With ELF, make sure that all common symbols get allocated to in the
1359 ## data section. Otherwise, the dump of temacs may miss variables in
1360 ## the shared library that have been initialized. For example, with
1361 ## GNU libc, __malloc_initialized would normally be resolved to the
1362 ## shared library's .bss section, which is fatal.
1363 if test "x$GCC" = "xyes"; then
1364 C_SWITCH_MACHINE="-fno-common"
1366 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1369 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1370 dnl albeit under the mistaken assumption that said file
1371 dnl was no longer used.
1372 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1376 AC_SUBST(C_SWITCH_MACHINE)
1378 AC_SUBST(UNEXEC_OBJ)
1381 ## Some programs in src produce warnings saying certain subprograms
1382 ## are too complex and need a MAXMEM value greater than 2000 for
1383 ## additional optimization. --nils@exp-math.uni-essen.de
1384 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1385 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1386 if test "$opsys" = "mingw32"; then
1387 case "$canonical" in
1388 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1389 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1392 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1393 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1394 AC_SUBST(C_SWITCH_SYSTEM)
1399 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1400 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1402 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1404 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1406 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1408 ## Motif needs -lgen.
1409 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1412 AC_SUBST(LIBS_SYSTEM)
1414 ### Make sure subsequent tests use flags consistent with the build flags.
1416 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1417 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1419 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1422 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1423 AC_DEFUN([AC_TYPE_SIZE_T])
1424 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1425 AC_DEFUN([AC_TYPE_UID_T])
1427 # sqrt and other floating-point functions such as fmod and frexp
1428 # are found in -lm on many systems.
1430 AC_SEARCH_LIBS([sqrt], [m])
1431 if test "X$LIBS" = "X$OLD_LIBS"; then
1434 LIB_MATH=$ac_cv_search_sqrt
1438 dnl Current possibilities handled by sed (aix4-2 -> aix,
1439 dnl gnu-linux -> gnu/linux, etc.):
1440 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1441 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1442 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1449 ## Adding -lm confuses the dynamic linker, so omit it.
1452 freebsd | dragonfly )
1453 SYSTEM_TYPE=berkeley-unix
1455 gnu-linux | gnu-kfreebsd )
1457 hpux10-20 | hpux11 )
1461 SYSTEM_TYPE=windows-nt
1463 dnl NB this may be adjusted below.
1465 SYSTEM_TYPE=berkeley-unix
1469 SYSTEM_TYPE=usg-unix-v
1475 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1476 [The type of system you are compiling for; sets `system-type'.])
1479 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1480 pre_PKG_CONFIG_LIBS=$LIBS
1482 PKG_PROG_PKG_CONFIG(0.9.0)
1484 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1485 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1486 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1487 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1488 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1489 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1491 AC_DEFUN([EMACS_CHECK_MODULES],
1492 [PKG_CHECK_MODULES([$1], [$2],
1493 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1494 m4_default([$3], [HAVE_$1=yes])],
1495 [m4_default([$4], [HAVE_$1=no])])])
1498 if test "${with_sound}" != "no"; then
1499 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1500 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1501 have_sound_header=yes, [], [
1503 #define WIN32_LEAN_AND_MEAN
1504 #include <windows.h>
1507 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1508 AC_MSG_ERROR([OSS sound support requested but not found.])
1510 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1511 # Emulation library used on NetBSD.
1512 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1513 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1514 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1515 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1516 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1520 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1522 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1523 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1524 if test $HAVE_ALSA = yes; then
1525 SAVE_CFLAGS="$CFLAGS"
1527 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1528 LIBS="$ALSA_LIBS $LIBS"
1529 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1530 emacs_alsa_normal=yes,
1531 emacs_alsa_normal=no)
1532 if test "$emacs_alsa_normal" != yes; then
1533 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1534 [[snd_lib_error_set_handler (0);]])],
1535 emacs_alsa_subdir=yes,
1536 emacs_alsa_subdir=no)
1537 if test "$emacs_alsa_subdir" != yes; then
1538 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1540 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1543 CFLAGS="$SAVE_CFLAGS"
1545 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1546 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1547 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1548 elif test "${with_sound}" = "alsa"; then
1549 AC_MSG_ERROR([ALSA sound support requested but not found.])
1551 fi dnl with_sound = alsa|yes
1553 dnl Define HAVE_SOUND if we have sound support. We know it works and
1554 dnl compiles only on the specified platforms. For others, it
1555 dnl probably doesn't make sense to try.
1556 dnl FIXME So surely we should bypass this whole section if not using
1557 dnl one of these platforms?
1558 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1560 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1561 dnl Adjust the --with-sound help text if you change this.
1562 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1563 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1569 AC_SUBST(CFLAGS_SOUND)
1572 dnl checks for header files
1573 AC_CHECK_HEADERS_ONCE(
1578 sys/utsname.h pwd.h utmp.h util.h)
1580 AC_MSG_CHECKING(if personality LINUX32 can be set)
1581 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1582 emacs_cv_personality_linux32=yes,
1583 emacs_cv_personality_linux32=no)
1584 AC_MSG_RESULT($emacs_cv_personality_linux32)
1586 if test $emacs_cv_personality_linux32 = yes; then
1587 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1588 [Define to 1 if personality LINUX32 can be set.])
1591 # Note that Solaris has sys/sysinfo.h which defines struct
1592 # sysinfo as well. To make sure that we're using GNU/Linux
1593 # sysinfo, we explicitly set one of its fields.
1594 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1595 AC_MSG_CHECKING([if Linux sysinfo may be used])
1596 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1597 [[struct sysinfo si;
1600 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1601 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1602 if test $emacs_cv_linux_sysinfo = yes; then
1603 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1604 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1605 [[struct sysinfo si; return si.mem_unit]])],
1606 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1607 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1611 dnl On Solaris 8 there's a compilation warning for term.h because
1612 dnl it doesn't define `bool'.
1613 AC_CHECK_HEADERS(term.h, , , -)
1615 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1617 if test $ac_cv_have_decl_sys_siglist != yes; then
1618 # For Tru64, at least:
1619 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1624 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1625 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1626 #if HAVE_SYS_SOCKET_H
1627 #include <sys/socket.h>
1629 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1630 #if HAVE_SYS_SOCKET_H
1631 #include <sys/socket.h>
1633 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1634 #if HAVE_SYS_SOCKET_H
1635 #include <sys/socket.h>
1638 dnl checks for structure members
1639 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1640 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1641 struct ifreq.ifr_addr,
1642 struct ifreq.ifr_addr.sa_len], , ,
1643 [AC_INCLUDES_DEFAULT
1644 #if HAVE_SYS_SOCKET_H
1645 #include <sys/socket.h>
1651 dnl Check for endianness.
1652 dnl AC_C_BIGENDIAN is done by gnulib.
1654 dnl check for Make feature
1659 dnl check if we have GCC and autodepend is on.
1660 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1661 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1662 SAVE_CFLAGS="$CFLAGS"
1663 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1664 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1665 CFLAGS="$SAVE_CFLAGS"
1666 test -f deps.d || ac_enable_autodepend=no
1668 AC_MSG_RESULT([$ac_enable_autodepend])
1669 if test $ac_enable_autodepend = yes; then
1670 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1671 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1672 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1673 deps_frag=autodeps.mk
1676 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1677 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1678 deps_frag=$srcdir/src/$deps_frag
1681 AC_SUBST_FILE(deps_frag)
1682 AC_SUBST_FILE(lwlib_deps_frag)
1683 AC_SUBST_FILE(oldxmenu_deps_frag)
1685 lisp_frag=$srcdir/src/lisp.mk
1686 AC_SUBST_FILE(lisp_frag)
1689 dnl checks for operating system services
1690 AC_SYS_LONG_FILE_NAMES
1692 #### Choose a window system.
1694 ## We leave window_system equal to none if
1695 ## we end up building without one. Any new window system should
1696 ## set window_system to an appropriate value and add objects to
1697 ## window-system-specific substs.
1701 if test "$no_x" != yes; then
1705 LD_SWITCH_X_SITE_RPATH=
1706 if test "${x_libraries}" != NONE; then
1707 if test -n "${x_libraries}"; then
1708 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1709 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1711 x_default_search_path=""
1712 x_search_path=${x_libraries}
1713 if test -z "${x_search_path}"; then
1714 x_search_path=/usr/lib
1716 for x_library in `echo ${x_search_path}: | \
1717 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1719 ${x_library}/X11/%L/%T/%N%C%S:\
1720 ${x_library}/X11/%l/%T/%N%C%S:\
1721 ${x_library}/X11/%T/%N%C%S:\
1722 ${x_library}/X11/%L/%T/%N%S:\
1723 ${x_library}/X11/%l/%T/%N%S:\
1724 ${x_library}/X11/%T/%N%S"
1725 if test x"${x_default_search_path}" = x; then
1726 x_default_search_path=${x_search_path}
1728 x_default_search_path="${x_search_path}:${x_default_search_path}"
1732 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1734 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1735 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1738 if test x"${x_includes}" = x; then
1739 bitmapdir=/usr/include/X11/bitmaps
1741 # accumulate include directories that have X11 bitmap subdirectories
1743 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1744 if test -d "${bmd}/X11/bitmaps"; then
1745 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1747 if test -d "${bmd}/bitmaps"; then
1748 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1751 if test ${bmd_acc} != "dummyval"; then
1752 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1759 tmp_CPPFLAGS="$CPPFLAGS"
1760 tmp_CFLAGS="$CFLAGS"
1761 CPPFLAGS="$CPPFLAGS -x objective-c"
1762 CFLAGS="$CFLAGS -x objective-c"
1765 if test "${with_ns}" != no; then
1766 if test "${opsys}" = darwin; then
1768 ns_appdir=`pwd`/nextstep/Emacs.app
1769 ns_appbindir=${ns_appdir}/Contents/MacOS
1770 ns_appresdir=${ns_appdir}/Contents/Resources
1771 ns_appsrc=Cocoa/Emacs.base
1772 ns_fontfile=macfont.o
1773 elif test -f $GNUSTEP_CONFIG_FILE; then
1775 ns_appdir=`pwd`/nextstep/Emacs.app
1776 ns_appbindir=${ns_appdir}
1777 ns_appresdir=${ns_appdir}/Resources
1778 ns_appsrc=GNUstep/Emacs.base
1779 ns_fontfile=nsfont.o
1780 dnl FIXME sourcing this several times in subshells seems inefficient.
1781 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1782 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1783 dnl I seemed to need these as well with GNUstep-startup 0.25.
1784 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1785 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1786 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1787 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1788 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1789 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1790 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1791 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1792 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1793 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1794 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1795 dnl If they had chosen to either define it or not, we could have
1796 dnl just used AC_CHECK_DECL here.
1797 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1798 emacs_cv_objc_exceptions,
1799 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1800 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1804 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1805 if test $emacs_cv_objc_exceptions = yes; then
1806 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1807 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1808 [Define if GNUstep uses ObjC exceptions.])
1809 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1813 dnl This is only used while we test the NS headers, it gets reset below.
1814 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1816 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1817 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1818 files are missing or cannot be compiled.])])
1821 if test "${NS_IMPL_COCOA}" = "yes"; then
1822 AC_MSG_CHECKING([for OSX 10.6 or newer])
1823 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1825 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1826 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1829 error "OSX 10.6 or newer required";
1833 ns_osx_have_106=yes,
1835 AC_MSG_RESULT([$ns_osx_have_106])
1837 if test $ns_osx_have_106 = no; then
1838 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1843 AC_SUBST(LIBS_GNUSTEP)
1845 INSTALL_ARCH_INDEP_EXTRA=install-etc
1846 ns_self_contained=no
1849 if test "${HAVE_NS}" = yes; then
1850 if test "$with_toolkit_scroll_bars" = "no"; then
1851 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1854 window_system=nextstep
1855 # set up packaging dirs
1856 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1857 ns_self_contained=yes
1858 prefix=${ns_appresdir}
1859 exec_prefix=${ns_appbindir}
1860 dnl This one isn't really used, only archlibdir is.
1861 libexecdir="\${ns_appbindir}/libexec"
1862 archlibdir="\${ns_appbindir}/libexec"
1863 etcdocdir="\${ns_appresdir}/etc"
1864 etcdir="\${ns_appresdir}/etc"
1865 dnl FIXME maybe set datarootdir instead.
1866 dnl That would also get applications, icons, man.
1867 infodir="\${ns_appresdir}/info"
1868 mandir="\${ns_appresdir}/man"
1869 lispdir="\${ns_appresdir}/lisp"
1870 INSTALL_ARCH_INDEP_EXTRA=
1873 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1875 CFLAGS="$tmp_CFLAGS"
1876 CPPFLAGS="$tmp_CPPFLAGS"
1877 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1878 AC_SUBST(ns_self_contained)
1880 AC_SUBST(NS_OBJC_OBJ)
1891 if test "${with_w32}" != no; then
1894 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1895 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1896 cannot be found.])])
1899 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1902 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1907 if test "${opsys}" = "mingw32"; then
1908 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1909 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1910 #include <windows.h>
1911 #include <usp10.h>]],
1912 [[PIMAGE_NT_HEADERS pHeader;
1913 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1914 [emacs_cv_w32api=yes
1917 AC_MSG_RESULT($emacs_cv_w32api)
1918 if test "${emacs_cv_w32api}" = "no"; then
1919 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1930 if test "${HAVE_W32}" = "yes"; then
1931 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1932 AC_CHECK_TOOL(WINDRES, [windres],
1933 [AC_MSG_ERROR([No resource compiler found.])])
1934 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1935 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1936 EMACSRES="emacs.res"
1937 case "$canonical" in
1938 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1939 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1941 dnl Construct something of the form "24,4,0,0" with 4 components.
1942 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1944 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1945 AC_SUBST(comma_version)
1946 AC_SUBST(comma_space_version)
1947 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1948 if test "${opsys}" = "cygwin"; then
1949 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1950 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1951 # Tell the linker that emacs.res is an object (which we compile from
1952 # the rc file), not a linker script.
1953 W32_RES_LINK="-Wl,emacs.res"
1955 UPDATE_MANIFEST=update-game-score.exe.manifest
1956 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1957 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1958 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1959 W32_RES_LINK="\$(EMACSRES)"
1960 CLIENTRES="emacsclient.res"
1961 CLIENTW="emacsclientw\$(EXEEXT)"
1962 FIRSTFILE_OBJ=firstfile.o
1965 LIBS_ECLIENT="-lcomctl32"
1966 LIB_WSOCK32="-lwsock32"
1967 NTLIB="ntlib.$ac_objext"
1968 XARGS_LIMIT="-s 10000"
1974 AC_SUBST(EMACS_MANIFEST)
1975 AC_SUBST(UPDATE_MANIFEST)
1978 AC_SUBST(W32_RES_LINK)
1979 AC_SUBST(FIRSTFILE_OBJ)
1982 AC_SUBST(LIBS_ECLIENT)
1983 AC_SUBST(LIB_WSOCK32)
1985 AC_SUBST(XARGS_LIMIT)
1987 if test "${HAVE_W32}" = "yes"; then
1992 ## $window_system is now set to the window system we will
1995 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1996 # Too many warnings for now.
1998 nw="$nw -Wsuggest-attribute=noreturn"
1999 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
2001 gl_WARN_ADD([-Wno-unused-variable])
2002 gl_WARN_ADD([-Wno-unused-but-set-variable])
2003 gl_WARN_ADD([-Wno-unused-but-set-parameter])
2011 case "${window_system}" in
2016 case "${with_x_toolkit}" in
2017 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2018 motif ) USE_X_TOOLKIT=MOTIF ;;
2020 term_header=gtkutil.h
2021 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2022 dnl USE_X_TOOLKIT is set.
2023 USE_X_TOOLKIT=none ;;
2024 gtk2 ) with_gtk2=yes
2025 term_header=gtkutil.h
2026 USE_X_TOOLKIT=none ;;
2027 gtk3 ) with_gtk3=yes
2028 term_header=gtkutil.h
2029 USE_X_TOOLKIT=none ;;
2030 no ) USE_X_TOOLKIT=none ;;
2031 dnl If user did not say whether to use a toolkit, make this decision later:
2032 dnl use the toolkit if we have gtk, or X11R5 or newer.
2033 * ) USE_X_TOOLKIT=maybe ;;
2037 term_header=nsterm.h
2040 term_header=w32term.h
2044 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2045 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2046 if test "$HAVE_XSERVER" = true ||
2047 test -n "$DISPLAY" ||
2048 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2049 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2050 were found. You should install the relevant development files for X
2051 and for the toolkit you want, such as Gtk+ or Motif. Also make
2052 sure you have development files for image handling, i.e.
2053 tiff, gif, jpeg, png and xpm.
2054 If you are sure you want Emacs compiled without X window support, pass
2060 # Does the opsystem file prohibit the use of the GNU malloc?
2061 # Assume not, until told otherwise.
2065 [whether malloc is Doug Lea style],
2066 [emacs_cv_var_doug_lea_malloc],
2067 [emacs_cv_var_doug_lea_malloc=no
2068 dnl Hooks do not work with address sanitization.
2069 if test "$emacs_cv_sanitize_address" != yes; then
2072 [[#include <malloc.h>
2073 static void hook (void) {}]],
2074 [[malloc_set_state (malloc_get_state ());
2075 __after_morecore_hook = hook;
2076 __malloc_initialize_hook = hook;]])],
2077 [emacs_cv_var_doug_lea_malloc=yes])])
2079 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2081 system_malloc=$emacs_cv_sanitize_address
2086 ## darwin ld insists on the use of malloc routines in the System framework.
2087 darwin|mingw32|sol2-10) system_malloc=yes ;;
2088 cygwin) hybrid_malloc=yes;;
2092 if test "${system_malloc}" = "yes"; then
2093 AC_DEFINE([SYSTEM_MALLOC], 1,
2094 [Define to 1 to use the system memory allocator, even if it is not
2098 (The GNU allocators don't work with this system configuration.)"
2100 elif test "$hybrid_malloc" = yes; then
2101 AC_DEFINE(HYBRID_MALLOC, 1,
2102 [Define to use gmalloc before dumping and the system malloc after.])
2104 GNU_MALLOC_reason="only before dumping"
2105 GMALLOC_OBJ=gmalloc.o
2108 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2109 VMLIMIT_OBJ=vm-limit.o
2111 AC_CHECK_HEADERS([sys/vlimit.h])
2112 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2115 [[extern char data_start[]; char ch;]],
2116 [[return data_start < &ch;]])],
2117 [emacs_cv_data_start=yes],
2118 [emacs_cv_data_start=no])])
2119 if test $emacs_cv_data_start = yes; then
2120 AC_DEFINE([HAVE_DATA_START], 1,
2121 [Define to 1 if data_start is the address of the start
2122 of the main data segment.])
2125 AC_SUBST(GMALLOC_OBJ)
2126 AC_SUBST(VMLIMIT_OBJ)
2128 if test "$doug_lea_malloc" = "yes" ; then
2129 if test "$GNU_MALLOC" = yes ; then
2131 (Using Doug Lea's new malloc from the GNU C Library.)"
2133 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2134 [Define to 1 if the system memory allocator is Doug Lea style,
2135 with malloc hooks and malloc_set_state.])
2137 ## Use mmap directly for allocating larger buffers.
2138 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2139 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2140 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2142 mingw32|gnu*) REL_ALLOC=no ;;
2146 if test x"${REL_ALLOC}" = x; then
2147 REL_ALLOC=${GNU_MALLOC}
2150 use_mmap_for_buffers=no
2152 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2156 if test $use_mmap_for_buffers = yes; then
2157 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2161 LIBS="$LIBS_SYSTEM $LIBS"
2163 dnl FIXME replace main with a function we actually want from this library.
2164 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2166 dnl Check for the POSIX thread library.
2168 if test "$opsys" != "mingw32"; then
2169 AC_CHECK_HEADERS_ONCE(pthread.h)
2170 if test "$ac_cv_header_pthread_h"; then
2171 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2172 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2173 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2174 if test "$GMALLOC_OBJ" = gmalloc.o; then
2175 emacs_pthread_function=pthread_atfork
2177 emacs_pthread_function=pthread_kill
2180 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2181 [AC_DEFINE([HAVE_PTHREAD], [1],
2182 [Define to 1 if you have pthread (-lpthread).])
2183 # Some systems optimize for single-threaded programs by default, and
2184 # need special flags to disable these optimizations. For example, the
2185 # definition of 'errno' in <errno.h>.
2188 AC_DEFINE([_REENTRANT], 1,
2189 [Define to 1 if your system requires this in multithreaded code.]);;
2191 AC_DEFINE([_THREAD_SAFE], 1,
2192 [Define to 1 if your system requires this in multithreaded code.]);;
2194 if test "X$LIBS" != "X$OLD_LIBS"; then
2195 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2199 AC_SUBST([LIB_PTHREAD])
2202 dnl Check for need for bigtoc support on IBM AIX
2206 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2208 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2209 *) gdb_cv_bigtoc=-bbigtoc ;;
2212 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2213 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2218 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2219 # is for the tests that follow. We set them back later on.
2221 REAL_CFLAGS="$CFLAGS"
2222 REAL_CPPFLAGS="$CPPFLAGS"
2225 if test "${HAVE_X11}" = "yes"; then
2226 DEFS="$C_SWITCH_X_SITE $DEFS"
2227 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2229 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2230 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2232 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2233 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2234 # but it's more convenient here to set LD_RUN_PATH since this
2235 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2236 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2237 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2241 if test "${opsys}" = "gnu-linux"; then
2242 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2243 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2244 [[XOpenDisplay ("foo");]])],
2245 [xgnu_linux_first_failure=no],
2246 [xgnu_linux_first_failure=yes])
2247 if test "${xgnu_linux_first_failure}" = "yes"; then
2248 OLD_CPPFLAGS="$CPPFLAGS"
2250 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2251 LIBS="$LIBS -b i486-linuxaout"
2252 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2253 [[XOpenDisplay ("foo");]])],
2254 [xgnu_linux_second_failure=no],
2255 [xgnu_linux_second_failure=yes])
2256 if test "${xgnu_linux_second_failure}" = "yes"; then
2257 # If we get the same failure with -b, there is no use adding -b.
2258 # So leave it out. This plays safe.
2261 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2262 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2265 CPPFLAGS=$OLD_CPPFLAGS
2272 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2273 # header files included from there.
2274 AC_MSG_CHECKING(for Xkb)
2275 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2276 #include <X11/XKBlib.h>]],
2277 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2278 emacs_xkb=yes, emacs_xkb=no)
2279 AC_MSG_RESULT($emacs_xkb)
2280 if test $emacs_xkb = yes; then
2281 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2284 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2285 XScreenNumberOfScreen)
2288 if test "${window_system}" = "x11"; then
2289 AC_MSG_CHECKING(X11 version 6)
2290 AC_CACHE_VAL(emacs_cv_x11_version_6,
2291 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2292 [[#if XlibSpecificationRelease < 6
2295 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2296 if test $emacs_cv_x11_version_6 = yes; then
2297 AC_MSG_RESULT(6 or newer)
2298 AC_DEFINE(HAVE_X11R6, 1,
2299 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2300 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2301 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2305 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2306 [Define if you have usable X11R6-style XIM support.])
2310 AC_MSG_RESULT(before 6)
2315 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2317 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2318 if test "${with_rsvg}" != "no"; then
2319 RSVG_REQUIRED=2.11.0
2320 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2322 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2323 AC_SUBST(RSVG_CFLAGS)
2326 if test $HAVE_RSVG = yes; then
2327 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2328 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2329 # Windows loads librsvg dynamically
2330 if test "${opsys}" = "mingw32"; then
2338 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2339 if test "${with_imagemagick}" != "no"; then
2340 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2341 ## 6.8.2 makes Emacs crash; see Bug#13867.
2342 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2343 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2344 AC_SUBST(IMAGEMAGICK_CFLAGS)
2345 AC_SUBST(IMAGEMAGICK_LIBS)
2347 if test $HAVE_IMAGEMAGICK = yes; then
2348 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2351 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2352 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2353 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2363 gtk_term_header=$term_header
2366 if test "${opsys}" != "mingw32"; then
2367 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2370 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2372 dnl Checks for libraries.
2373 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2374 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2375 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2376 AC_MSG_ERROR($GTK_PKG_ERRORS)
2378 if test "$pkg_check_gtk" = "yes"; then
2379 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2380 GTK_OBJ=emacsgtkfixed.o
2381 gtk_term_header=gtkutil.h
2382 USE_GTK_TOOLKIT="GTK3"
2383 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2384 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2385 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2386 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2387 [Define to 1 to disable Glib deprecation warnings.])
2391 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2395 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2398 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2400 dnl Checks for libraries.
2401 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2402 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2403 if test "$pkg_check_gtk" = "no" &&
2404 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2406 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2408 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2415 if test x"$pkg_check_gtk" = xyes; then
2418 CFLAGS="$CFLAGS $GTK_CFLAGS"
2419 LIBS="$GTK_LIBS $LIBS"
2420 dnl Try to compile a simple GTK program.
2421 AC_MSG_CHECKING([whether GTK compiles])
2425 [[/* Check the Gtk and Glib APIs. */
2426 #include <gtk/gtk.h>
2427 #include <glib-object.h>
2429 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2433 GtkSettings *gs = 0;
2434 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2435 strict C prohibits this. Use gtk_main_iteration to test that the
2436 libraries are there. */
2437 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2438 0, 0, 0, G_CALLBACK (callback), 0))
2439 gtk_main_iteration ();
2442 AC_MSG_RESULT([$GTK_COMPILES])
2443 if test "${GTK_COMPILES}" != "yes"; then
2445 if test "$USE_X_TOOLKIT" != "maybe"; then
2446 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2449 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2451 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2452 GTK_OBJ="gtkutil.o $GTK_OBJ"
2453 term_header=$gtk_term_header
2455 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2458 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2459 closing open displays. This is no problem if you just use
2460 one display, but if you use more than one and close one of them
2470 if test "${HAVE_GTK}" = "yes"; then
2472 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2473 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2474 if test "$with_toolkit_scroll_bars" != no; then
2475 with_toolkit_scroll_bars=yes
2478 dnl Check if we have the old file selection dialog declared and
2479 dnl in the link library. In 2.x it may be in the library,
2480 dnl but not declared if deprecated featured has been selected out.
2481 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2482 HAVE_GTK_FILE_SELECTION=no
2483 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2484 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2485 #include <gtk/gtk.h>])
2486 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2487 AC_CHECK_FUNCS(gtk_file_selection_new)
2490 dnl Same as above for gtk_handle_box.
2491 HAVE_GTK_HANDLE_BOX=no
2492 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2493 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2494 #include <gtk/gtk.h>])
2495 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2496 AC_CHECK_FUNCS(gtk_handle_box_new)
2499 dnl Same as above for gtk_tearoff_menu_item.
2500 HAVE_GTK_TEAROFF_MENU_ITEM=no
2501 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2502 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2503 #include <gtk/gtk.h>])
2504 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2505 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2508 dnl Check for functions introduced in 2.14 and later.
2509 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2510 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2511 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2512 gtk_orientable_set_orientation \
2513 gtk_window_set_has_resize_grip)
2515 term_header=gtkutil.h
2523 if test "${with_xwidgets}" != "no" && test "${USE_GTK_TOOLKIT}" = "GTK3" && test "$window_system" != "none" ; then
2524 echo "xwidgets enabled, checking webkit, and others"
2526 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2528 dnl - enable only if GTK3 is enabled, and we have a window system
2529 dnl - check for webkit and gobject introspection
2532 #webkit version for gtk3.
2533 WEBKIT_REQUIRED=1.4.0
2534 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2536 if test "${with_gtk3}" = "yes"; then
2537 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2538 if test $HAVE_WEBKIT = yes; then
2539 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2544 GIR_MODULES="gobject-introspection-1.0 >= $GIR_REQUIRED"
2545 PKG_CHECK_MODULES(GIR, $GIR_MODULES, HAVE_GIR=yes, HAVE_GIR=no)
2546 if test $HAVE_GIR = yes; then
2547 AC_DEFINE(HAVE_GIR, 1, [Define to 1 if you have GIR support.])
2556 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2557 dnl other platforms.
2560 if test "${with_dbus}" = "yes"; then
2561 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2562 if test "$HAVE_DBUS" = yes; then
2563 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2564 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2565 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2568 LIBS="$LIBS $DBUS_LIBS"
2569 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2570 dbus_type_is_valid \
2571 dbus_validate_bus_name \
2572 dbus_validate_path \
2573 dbus_validate_interface \
2574 dbus_validate_member)
2579 AC_SUBST(DBUS_CFLAGS)
2583 dnl GSettings has been tested under GNU/Linux only.
2585 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2586 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2587 if test "$HAVE_GSETTINGS" = "yes"; then
2589 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2591 LIBS="$LIBS $GSETTINGS_LIBS"
2592 AC_MSG_CHECKING([whether GSettings is in gio])
2595 [[/* Check that gsettings really is present. */
2596 #include <glib-object.h>
2597 #include <gio/gio.h>
2600 GSettings *settings;
2601 GVariant *val = g_settings_get_value (settings, "");
2603 [], HAVE_GSETTINGS=no)
2604 AC_MSG_RESULT([$HAVE_GSETTINGS])
2606 if test "$HAVE_GSETTINGS" = "yes"; then
2607 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2608 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2609 SETTINGS_LIBS="$GSETTINGS_LIBS"
2616 dnl GConf has been tested under GNU/Linux only.
2617 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2619 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2620 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2621 if test "$HAVE_GCONF" = yes; then
2622 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2623 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2624 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2625 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2629 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2630 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2631 if test "$HAVE_GOBJECT" = "yes"; then
2632 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2633 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2635 SAVE_CFLAGS="$CFLAGS"
2637 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2638 LIBS="$SETTINGS_LIBS $LIBS"
2639 CFLAGS="$SAVE_CFLAGS"
2642 AC_SUBST(SETTINGS_CFLAGS)
2643 AC_SUBST(SETTINGS_LIBS)
2646 dnl SELinux is available for GNU/Linux only.
2649 if test "${with_selinux}" = "yes"; then
2650 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2651 if test "$HAVE_LIBSELINUX" = yes; then
2652 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2653 LIBSELINUX_LIBS=-lselinux
2656 AC_SUBST(LIBSELINUX_LIBS)
2659 if test "${with_gnutls}" = "yes" ; then
2660 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2661 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2662 if test "${HAVE_GNUTLS}" = "yes"; then
2663 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2664 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2665 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2668 # Windows loads GnuTLS dynamically
2669 if test "${opsys}" = "mingw32"; then
2674 AC_SUBST(LIBGNUTLS_LIBS)
2675 AC_SUBST(LIBGNUTLS_CFLAGS)
2680 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2681 dnl a particular library. This doesn't make much sense?
2682 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2683 with_file_notification=no
2686 dnl MS Windows native file monitor is available for mingw32 only.
2687 case $with_file_notification,$opsys in
2688 w32,* | yes,mingw32)
2689 AC_CHECK_HEADER(windows.h)
2690 if test "$ac_cv_header_windows_h" = yes ; then
2691 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2692 NOTIFY_OBJ=w32notify.o
2693 NOTIFY_SUMMARY="yes (w32)"
2697 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2698 dnl has been added in glib 2.24. It has been tested under
2699 dnl GNU/Linux only. We take precedence over inotify, but this makes
2700 dnl only sense when glib has been compiled with inotify support. How
2702 case $with_file_notification,$NOTIFY_OBJ in
2704 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2705 if test "$HAVE_GFILENOTIFY" = "yes"; then
2706 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2707 NOTIFY_OBJ=gfilenotify.o
2708 NOTIFY_SUMMARY="yes -lgio (gfile)"
2712 dnl inotify is only available on GNU/Linux.
2713 case $with_file_notification,$NOTIFY_OBJ in
2715 AC_CHECK_HEADER(sys/inotify.h)
2716 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2717 AC_CHECK_FUNC(inotify_init1)
2718 if test "$ac_cv_func_inotify_init1" = yes; then
2719 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2720 NOTIFY_OBJ=inotify.o
2721 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2726 case $with_file_notification,$NOTIFY_OBJ in
2727 yes,* | no,* | *,?*) ;;
2728 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2731 if test -n "$NOTIFY_OBJ"; then
2732 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2734 AC_SUBST(NOTIFY_OBJ)
2735 AC_SUBST(GFILENOTIFY_CFLAGS)
2736 AC_SUBST(GFILENOTIFY_LIBS)
2738 dnl Do not put whitespace before the #include statements below.
2739 dnl Older compilers (eg sunos4 cc) choke on it.
2742 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2743 if test "$with_xaw3d" != no; then
2744 AC_CACHE_VAL(emacs_cv_xaw3d,
2745 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2746 #include <X11/Intrinsic.h>
2747 #include <X11/Xaw3d/Simple.h>]],
2749 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2750 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2751 emacs_cv_xaw3d=no)])
2755 if test $emacs_cv_xaw3d = yes; then
2756 AC_MSG_CHECKING(for xaw3d)
2757 AC_MSG_RESULT([yes; using Lucid toolkit])
2761 AC_DEFINE(HAVE_XAW3D, 1,
2762 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2764 AC_MSG_CHECKING(for xaw3d)
2766 AC_MSG_CHECKING(for libXaw)
2767 AC_CACHE_VAL(emacs_cv_xaw,
2768 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2769 #include <X11/Intrinsic.h>
2770 #include <X11/Xaw/Simple.h>]],
2774 if test $emacs_cv_xaw = yes; then
2775 AC_MSG_RESULT([yes; using Lucid toolkit])
2778 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2779 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2781 AC_MSG_ERROR([No X toolkit could be found.
2782 If you are sure you want Emacs compiled without an X toolkit, pass
2784 to configure. Otherwise, install the development libraries for the toolkit
2785 that you want to use (e.g. Gtk+) and re-run configure.])
2790 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2794 if test "${USE_X_TOOLKIT}" != "none"; then
2795 AC_MSG_CHECKING(X11 toolkit version)
2796 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2797 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2798 [[#if XtSpecificationRelease < 6
2801 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2802 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2803 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2804 AC_MSG_RESULT(6 or newer)
2805 AC_DEFINE(HAVE_X11XTR6, 1,
2806 [Define to 1 if you have the X11R6 or newer version of Xt.])
2807 LIBXTR6="-lSM -lICE"
2809 ## Use libw.a along with X11R6 Xt.
2810 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2813 AC_MSG_RESULT(before 6)
2816 dnl If using toolkit, check whether libXmu.a exists.
2817 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2819 if test x$HAVE_X11XTR6 = xyes; then
2820 OTHERLIBS='-lXt -lSM -lICE'
2824 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2825 if test "X$LIBS" != "X$OLDLIBS"; then
2826 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2829 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2835 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2836 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2837 if test -d /usr/include/openmotif; then
2838 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2839 emacs_cv_openmotif=yes
2840 case "$canonical" in
2841 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2842 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2845 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2848 emacs_cv_openmotif=no
2850 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2851 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2852 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2855 Motif version prior to 2.1.
2857 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2858 if test $emacs_cv_motif_version_2_1 = yes; then
2859 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2860 if test x$emacs_cv_openmotif = xyes; then
2861 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2864 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2865 # We put this in CFLAGS temporarily to precede other -I options
2866 # that might be in CFLAGS temporarily.
2867 # We put this in CPPFLAGS where it precedes the other -I options.
2868 OLD_CPPFLAGS=$CPPFLAGS
2870 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2871 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2872 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2874 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2875 if test $emacs_cv_lesstif = yes; then
2876 # Make sure this -I option remains in CPPFLAGS after it is set
2877 # back to REAL_CPPFLAGS.
2878 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2879 # have those other -I options anyway. Ultimately, having this
2880 # directory ultimately in CPPFLAGS will be enough.
2881 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2882 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2885 CPPFLAGS=$OLD_CPPFLAGS
2888 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2889 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2892 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2893 dnl using Motif or Xaw3d is available, and unless
2894 dnl --with-toolkit-scroll-bars=no was specified.
2896 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2897 [Define to 1 if we should use toolkit scroll bars.])dnl
2898 USE_TOOLKIT_SCROLL_BARS=no
2899 if test "${with_toolkit_scroll_bars}" != "no"; then
2900 if test "${USE_X_TOOLKIT}" != "none"; then
2901 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2902 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2904 USE_TOOLKIT_SCROLL_BARS=yes
2905 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2906 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2907 USE_TOOLKIT_SCROLL_BARS=yes
2909 elif test "${HAVE_GTK}" = "yes"; then
2910 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2911 USE_TOOLKIT_SCROLL_BARS=yes
2912 elif test "${HAVE_NS}" = "yes"; then
2913 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2914 USE_TOOLKIT_SCROLL_BARS=yes
2915 elif test "${HAVE_W32}" = "yes"; then
2916 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2917 USE_TOOLKIT_SCROLL_BARS=yes
2921 dnl See if XIM is available.
2922 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2923 #include <X11/Xlib.h>
2924 #include <X11/Xresource.h>]],
2925 [[XIMProc callback;]])],
2927 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2930 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2932 if test "${with_xim}" != "no"; then
2933 AC_DEFINE(USE_XIM, 1,
2934 [Define to 1 if we should use XIM, if it is available.])
2938 if test "${HAVE_XIM}" != "no"; then
2940 if test "$GCC" = yes; then
2941 CFLAGS="$CFLAGS --pedantic-errors"
2943 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2944 #include <X11/Xlib.h>
2945 #include <X11/Xresource.h>]],
2951 XPointer *client_data;
2953 /* If we're not using GCC, it's probably not XFree86, and this is
2954 probably right, but we can't use something like --pedantic-errors. */
2955 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2956 char*, XIMProc, XPointer*);
2958 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2960 [emacs_cv_arg6_star=yes])
2961 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2962 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2963 either XPointer or XPointer*.])dnl
2964 if test "$emacs_cv_arg6_star" = yes; then
2965 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2967 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2972 ### Start of font-backend (under any platform) section.
2973 # (nothing here yet -- this is a placeholder)
2974 ### End of font-backend (under any platform) section.
2976 ### Start of font-backend (under X11) section.
2977 if test "${HAVE_X11}" = "yes"; then
2978 ## Use -lXft if available, unless `--with-xft=no'.
2980 if test "x${with_x}" = "xno"; then
2984 if test "$with_xft" != no; then
2985 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2986 with_xft=$HAVE_FONTCONFIG
2989 if test "x${with_xft}" != "xno"; then
2991 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2992 ## Because xftfont.c uses XRenderQueryExtension, we also
2993 ## need to link to -lXrender.
2995 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2996 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2997 OLD_CPPFLAGS="$CPPFLAGS"
2998 OLD_CFLAGS="$CFLAGS"
3000 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3001 CFLAGS="$CFLAGS $XFT_CFLAGS"
3002 XFT_LIBS="-lXrender $XFT_LIBS"
3003 LIBS="$XFT_LIBS $LIBS"
3004 AC_CHECK_HEADER(X11/Xft/Xft.h,
3005 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3006 [[#include <X11/X.h>]])
3008 if test "${HAVE_XFT}" = "yes"; then
3009 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3011 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3012 fi # "${HAVE_XFT}" = "yes"
3013 CPPFLAGS=$OLD_CPPFLAGS
3016 fi # "$HAVE_XFT" != no
3017 fi # "x${with_xft}" != "xno"
3019 ## We used to allow building with FreeType and without Xft.
3020 ## However, the ftx font backend driver is not in good shape.
3021 if test "$HAVE_XFT" != "yes"; then
3022 dnl For the "Does Emacs use" message at the end.
3026 dnl Strict linkers fail with
3027 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3028 dnl if -lfreetype is not specified.
3029 dnl The following is needed to set FREETYPE_LIBS.
3030 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3032 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3036 if test "${HAVE_FREETYPE}" = "yes"; then
3037 AC_DEFINE(HAVE_FREETYPE, 1,
3038 [Define to 1 if using the freetype and fontconfig libraries.])
3039 if test "${with_libotf}" != "no"; then
3040 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3041 if test "$HAVE_LIBOTF" = "yes"; then
3042 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3043 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3044 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3045 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3046 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3047 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3048 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3052 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3053 dnl Does the new font backend require it, or can it work without it?
3057 if test "${HAVE_LIBOTF}" = yes; then
3058 if test "${with_m17n_flt}" != "no"; then
3059 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3060 if test "$HAVE_M17N_FLT" = "yes"; then
3061 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3072 ### End of font-backend (under X11) section.
3074 AC_SUBST(FREETYPE_CFLAGS)
3075 AC_SUBST(FREETYPE_LIBS)
3076 AC_SUBST(FONTCONFIG_CFLAGS)
3077 AC_SUBST(FONTCONFIG_LIBS)
3078 AC_SUBST(LIBOTF_CFLAGS)
3079 AC_SUBST(LIBOTF_LIBS)
3080 AC_SUBST(M17N_FLT_CFLAGS)
3081 AC_SUBST(M17N_FLT_LIBS)
3083 ### Use -lXpm if available, unless `--with-xpm=no'.
3084 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3085 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3086 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3087 ### LDFLAGS) accordingly.
3090 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3091 if test "${with_xpm}" != "no"; then
3092 SAVE_CPPFLAGS="$CPPFLAGS"
3093 SAVE_LDFLAGS="$LDFLAGS"
3094 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3095 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3096 AC_CHECK_HEADER(X11/xpm.h,
3097 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3098 if test "${HAVE_XPM}" = "yes"; then
3099 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3100 AC_EGREP_CPP(no_return_alloc_pixels,
3101 [#include "X11/xpm.h"
3102 #ifndef XpmReturnAllocPixels
3103 no_return_alloc_pixels
3105 ], HAVE_XPM=no, HAVE_XPM=yes)
3107 if test "${HAVE_XPM}" = "yes"; then
3108 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3112 CPPFLAGS="$SAVE_CPPFLAGS"
3113 LDFLAGS="$SAVE_LDFLAGS"
3118 if test "${HAVE_XPM}" = "yes"; then
3119 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3124 if test "${HAVE_X11}" = "yes"; then
3125 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3126 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3128 if test "${with_xpm}" != "no"; then
3129 AC_CHECK_HEADER(X11/xpm.h,
3130 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3131 if test "${HAVE_XPM}" = "yes"; then
3132 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3133 AC_EGREP_CPP(no_return_alloc_pixels,
3134 [#include "X11/xpm.h"
3135 #ifndef XpmReturnAllocPixels
3136 no_return_alloc_pixels
3138 ], HAVE_XPM=no, HAVE_XPM=yes)
3140 if test "${HAVE_XPM}" = "yes"; then
3148 if test "${HAVE_XPM}" = "yes"; then
3149 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3151 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3152 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3157 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3158 ### slightly different requirements wrt image libraries (it doesn't
3159 ### use -lXpm because it loads the xpm shared library dynamically at
3161 if test "${opsys}" = "mingw32"; then
3162 if test "${with_xpm}" != "no"; then
3163 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3167 if test "${HAVE_XPM}" = "yes"; then
3168 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3174 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3175 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3178 if test "${opsys}" = "mingw32"; then
3179 if test "${with_jpeg}" != "no"; then
3180 dnl Checking for jpeglib.h can lose because of a redefinition of
3182 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3184 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3185 if test "${HAVE_JPEG}" = "yes"; then
3186 AC_DEFINE(HAVE_JPEG)
3187 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3188 [#include <jpeglib.h>
3189 version=JPEG_LIB_VERSION
3191 [AC_DEFINE(HAVE_JPEG)],
3192 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3195 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3196 if test "${with_jpeg}" != "no"; then
3197 dnl Checking for jpeglib.h can lose because of a redefinition of
3199 AC_CHECK_HEADER(jerror.h,
3200 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3203 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3204 if test "${HAVE_JPEG}" = "yes"; then
3205 AC_DEFINE(HAVE_JPEG)
3206 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3207 [#include <jpeglib.h>
3208 version=JPEG_LIB_VERSION
3210 [AC_DEFINE(HAVE_JPEG)],
3211 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3214 if test "${HAVE_JPEG}" = "yes"; then
3222 if test "${with_zlib}" != "no"; then
3224 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3226 case $ac_cv_search_inflateEnd in
3227 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3230 if test "${HAVE_ZLIB}" = "yes"; then
3231 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3232 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3233 if test "${opsys}" = "mingw32"; then
3239 ### Use -lpng if available, unless `--with-png=no'.
3243 if test "${NS_IMPL_COCOA}" = yes; then
3245 elif test "${with_png}" != no; then
3246 # mingw32 loads the library dynamically.
3247 if test "$opsys" = mingw32; then
3248 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3249 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3250 AC_MSG_CHECKING([for png])
3251 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3252 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3253 # libpng-config does not work; configure by hand.
3254 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3255 # in /usr/include/libpng.
3256 if test -r /usr/include/libpng/png.h &&
3257 test ! -r /usr/include/png.h; then
3258 png_cflags=-I/usr/include/libpng
3266 CFLAGS="$CFLAGS $png_cflags"
3267 LIBS="$png_libs -lz -lm $LIBS"
3269 [AC_LANG_PROGRAM([[#include <png.h>]],
3270 [[return !png_get_channels (0, 0);]])],
3272 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3274 # $LIBPNG requires explicit -lz in some cases.
3275 # We don't know what those cases are, exactly, so play it safe and
3276 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3277 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3278 LIBPNG="$LIBPNG -lz"
3282 AC_MSG_RESULT([$HAVE_PNG])
3285 if test $HAVE_PNG = yes; then
3286 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3289 CFLAGS="$CFLAGS $PNG_CFLAGS"
3290 AC_CHECK_DECL([png_longjmp],
3292 [AC_DEFINE([PNG_DEPSTRUCT], [],
3293 [Define to empty to suppress deprecation warnings when building
3294 with --enable-gcc-warnings and with libpng versions before 1.5,
3295 which lack png_longjmp.])],
3301 AC_SUBST(PNG_CFLAGS)
3303 ### Use -ltiff if available, unless `--with-tiff=no'.
3304 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3307 if test "${opsys}" = "mingw32"; then
3308 if test "${with_tiff}" != "no"; then
3309 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3311 if test "${HAVE_TIFF}" = "yes"; then
3312 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3314 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3315 if test "${with_tiff}" != "no"; then
3316 AC_CHECK_HEADER(tiffio.h,
3318 # At least one tiff package requires the jpeg library.
3319 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3320 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3323 if test "${HAVE_TIFF}" = "yes"; then
3324 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3325 dnl FIXME -lz -lm, as per libpng?
3331 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3332 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3335 if test "${opsys}" = "mingw32"; then
3336 if test "${with_gif}" != "no"; then
3337 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3339 if test "${HAVE_GIF}" = "yes"; then
3340 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3342 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3343 || test "${HAVE_W32}" = "yes"; then
3344 AC_CHECK_HEADER(gif_lib.h,
3345 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3346 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3347 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3348 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3350 if test "$HAVE_GIF" = yes; then
3352 elif test "$HAVE_GIF" = maybe; then
3353 # If gif_lib.h but no libgif, try libungif.
3354 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3355 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3358 if test "${HAVE_GIF}" = "yes"; then
3359 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3364 dnl Check for required libraries.
3365 if test "${HAVE_X11}" = "yes"; then
3368 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3369 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3370 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3371 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3372 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3373 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3374 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3375 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3376 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3377 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3379 if test "X${MISSING}" != X; then
3380 AC_MSG_ERROR([The following required libraries were not found:
3382 Maybe some development libraries/packages are missing?
3383 If you don't want to link with them give
3385 as options to configure])
3389 ### Use -lgpm if available, unless `--with-gpm=no'.
3392 if test "${with_gpm}" != "no"; then
3393 AC_CHECK_HEADER(gpm.h,
3394 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3396 if test "${HAVE_GPM}" = "yes"; then
3397 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3403 dnl Check for malloc/malloc.h on darwin
3404 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3407 ### Use NeXTstep API to implement GUI.
3408 if test "${HAVE_NS}" = "yes"; then
3409 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3410 if test "${NS_IMPL_COCOA}" = "yes"; then
3411 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3413 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3414 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3415 # See also .m.o rule in Makefile.in */
3416 # FIXME: are all these flags really needed? Document here why. */
3417 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3418 ## Extra CFLAGS applied to src/*.m files.
3419 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3424 ### Use session management (-lSM -lICE) if available
3427 if test "${HAVE_X11}" = "yes"; then
3428 AC_CHECK_HEADER(X11/SM/SMlib.h,
3429 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3431 if test "${HAVE_X_SM}" = "yes"; then
3432 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3438 ### Use XRandr (-lXrandr) if available
3440 if test "${HAVE_X11}" = "yes"; then
3441 XRANDR_REQUIRED=1.2.2
3442 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3443 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3444 if test $HAVE_XRANDR = no; then
3445 # Test old way in case pkg-config doesn't have it (older machines).
3446 # Include Xrender.h by hand to work around bug in older Xrandr.h
3447 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3448 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3449 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3450 [], [AC_INCLUDES_DEFAULT
3451 #include <X11/extensions/Xrender.h>])
3452 if test $HAVE_XRANDR = yes; then
3453 XRANDR_LIBS=-lXrandr
3456 if test $HAVE_XRANDR = yes; then
3457 SAVE_CFLAGS="$CFLAGS"
3459 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3460 LIBS="$XRANDR_LIBS $LIBS"
3461 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3462 CFLAGS="$SAVE_CFLAGS"
3465 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3468 AC_SUBST(XRANDR_CFLAGS)
3469 AC_SUBST(XRANDR_LIBS)
3471 ### Use Xinerama (-lXinerama) if available
3473 if test "${HAVE_X11}" = "yes"; then
3474 XINERAMA_REQUIRED=1.0.2
3475 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3476 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3477 if test $HAVE_XINERAMA = no; then
3478 # Test old way in case pkg-config doesn't have it (older machines).
3479 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3480 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3481 if test $HAVE_XINERAMA = yes; then
3482 XINERAMA_LIBS=-lXinerama
3485 if test $HAVE_XINERAMA = yes; then
3486 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3489 AC_SUBST(XINERAMA_CFLAGS)
3490 AC_SUBST(XINERAMA_LIBS)
3492 ### Use Xfixes (-lXfixes) if available
3494 if test "${HAVE_X11}" = "yes"; then
3495 XFIXES_REQUIRED=4.0.0
3496 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3497 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3498 if test $HAVE_XFIXES = no; then
3499 # Test old way in case pkg-config doesn't have it (older machines).
3500 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3501 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3502 if test $HAVE_XFIXES = yes; then
3503 XFIXES_LIBS=-lXfixes
3506 if test $HAVE_XFIXES = yes; then
3507 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3510 AC_SUBST(XFIXES_CFLAGS)
3511 AC_SUBST(XFIXES_LIBS)
3513 ### Use libxml (-lxml2) if available
3514 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3516 if test "${with_xml2}" != "no"; then
3517 ### I'm not sure what the version number should be, so I just guessed.
3518 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3519 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3520 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3521 SAVE_CPPFLAGS="$CPPFLAGS"
3522 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3523 AC_CHECK_HEADER(libxml/HTMLparser.h,
3524 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3525 [#include <libxml/HTMLparser.h>])])
3526 CPPFLAGS="$SAVE_CPPFLAGS"
3527 if test "${HAVE_LIBXML2}" = "yes"; then
3528 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3529 LIBXML2_LIBS="-lxml2"
3532 if test "${HAVE_LIBXML2}" = "yes"; then
3533 if test "${opsys}" != "mingw32"; then
3534 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3539 if test "${HAVE_LIBXML2}" = "yes"; then
3540 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3547 AC_SUBST(LIBXML2_LIBS)
3548 AC_SUBST(LIBXML2_CFLAGS)
3550 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3551 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3552 if test "${opsys}" = "mingw32"; then
3553 emacs_cv_netdb_declares_h_errno=yes
3555 AC_CACHE_CHECK(whether netdb declares h_errno,
3556 emacs_cv_netdb_declares_h_errno,
3557 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3558 [[return h_errno;]])],
3559 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3560 if test $emacs_cv_netdb_declares_h_errno = yes; then
3561 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3564 # Check for mail-locking functions in a "mail" library. Probably this should
3565 # have the same check as for liblockfile below.
3566 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3567 if test $have_mail = yes; then
3569 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3572 LIBS="$LIBS_MAIL $LIBS"
3573 AC_CHECK_FUNCS(touchlock)
3578 dnl Debian, at least:
3579 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3580 if test $have_lockfile = yes; then
3581 LIBS_MAIL=-llockfile
3582 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3584 # If we have the shared liblockfile, assume we must use it for mail
3585 # locking (e.g. Debian). If we couldn't link against liblockfile
3586 # (no liblockfile.a installed), ensure that we don't need to.
3587 dnl This works for files generally, not just executables.
3588 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3589 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3590 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3591 if test $ac_cv_prog_liblockfile = yes; then
3592 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3593 This probably means that movemail could lose mail.
3594 There may be a `development' package to install containing liblockfile.])
3597 AC_CHECK_HEADERS_ONCE(maillock.h)
3600 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3601 ## interlock access to the mail spool. The alternative is a lock file named
3602 ## /usr/spool/mail/$USER.lock.
3605 aix4-2) mail_lock="lockf" ;;
3607 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3609 ## On GNU/Linux systems, both methods are used by various mail programs.
3610 ## I assume most people are using newer mailers that have heard of flock.
3611 ## Change this if you need to.
3612 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3613 ## configure gets the right answers, and that means *NOT* using flock.
3614 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3615 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3616 ## Debian maintainer hasn't provided a clean fix for Emacs.
3617 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3618 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3619 ## correct logic. -- fx
3620 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3621 ## liblockfile is a Free Software replacement for libmail, used on
3622 ## Debian systems and elsewhere. -rfr.
3625 if test $have_mail = yes || test $have_lockfile = yes; then
3626 test $ac_cv_header_maillock_h = yes && mail_lock=no
3631 mail_lock="none-needed" ;;
3635 case "$mail_lock" in
3636 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3638 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3642 *) BLESSMAIL_TARGET="need-blessmail" ;;
3644 AC_SUBST(BLESSMAIL_TARGET)
3647 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3648 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3649 getrusage get_current_dir_name \
3650 lrand48 random rint \
3651 select getpagesize setlocale newlocale \
3652 getrlimit setrlimit shutdown getaddrinfo \
3653 pthread_sigmask strsignal setitimer \
3654 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3656 getpwent endpwent getgrent endgrent \
3657 cfmakeraw cfsetspeed copysign __executable_start log2)
3660 dnl No need to check for aligned_alloc and posix_memalign if using
3661 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3662 dnl Don't use these functions on Darwin as they are incompatible with
3664 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3665 && test "$opsys" != darwin; then
3666 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3669 dnl Cannot use AC_CHECK_FUNCS
3670 AC_CACHE_CHECK([for __builtin_unwind_init],
3671 emacs_cv_func___builtin_unwind_init,
3672 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3673 emacs_cv_func___builtin_unwind_init=yes,
3674 emacs_cv_func___builtin_unwind_init=no)])
3675 if test $emacs_cv_func___builtin_unwind_init = yes; then
3676 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3677 [Define to 1 if you have the `__builtin_unwind_init' function.])
3680 AC_CHECK_HEADERS_ONCE(sys/un.h)
3685 AC_CHECK_FUNCS(grantpt)
3687 # PTY-related GNU extensions.
3688 AC_CHECK_FUNCS(getpt posix_openpt)
3690 # Check this now, so that we will NOT find the above functions in ncurses.
3691 # That is because we have not set up to link ncurses in lib-src.
3692 # It's better to believe a function is not available
3693 # than to expect to find it in ncurses.
3694 # Also we need tputs and friends to be able to build at all.
3695 AC_MSG_CHECKING([for library containing tputs])
3696 # Run a test program that contains a call to tputs, a call that is
3697 # never executed. This tests whether a pre-'main' dynamic linker
3698 # works with the library. It's too much trouble to actually call
3699 # tputs in the test program, due to portability hassles. When
3700 # cross-compiling, assume the test program will run if it links.
3701 AC_DEFUN([tputs_link_source], [
3703 [[extern void tputs (const char *, int, int (*)(int));
3704 int main (int argc, char **argv)
3707 tputs (argv[0], 0, 0);
3711 if test "${opsys}" = "mingw32"; then
3714 # Maybe curses should be tried earlier?
3715 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3716 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3718 if test -z "$tputs_library"; then
3722 LIBS_TERMCAP=-l$tputs_library
3724 LIBS="$LIBS_TERMCAP $LIBS"
3726 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3727 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3729 if test "X$msg" != Xno; then
3734 AC_MSG_RESULT([$msg])
3735 if test "X$msg" = Xno; then
3736 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3737 The following libraries were tried (in order):
3738 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3739 Please try installing whichever of these libraries is most appropriate
3740 for your system, together with its header files.
3741 For example, a libncurses-dev(el) or similar package.])
3744 ## Use termcap instead of terminfo?
3745 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3747 ## FIXME? In the cases below where we unconditionally set
3748 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3749 ## if that was found above to have tputs.
3750 ## Should we use the gnu* logic everywhere?
3752 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3753 ## The ncurses library has been moved out of the System framework in
3754 ## Mac OS X 10.2. So if configure detects it, set the command-line
3755 ## option to use it.
3756 darwin) LIBS_TERMCAP="-lncurses" ;;
3758 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3761 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3762 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3763 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3764 [[#if __FreeBSD_version < 400000
3767 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3769 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3771 if test $emacs_cv_freebsd_terminfo = yes; then
3772 LIBS_TERMCAP="-lncurses"
3775 LIBS_TERMCAP="-ltermcap"
3785 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3787 LIBS_TERMCAP="-ltermcap"
3791 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3793 ## hpux: Make sure we get select from libc rather than from libcurses
3794 ## because libcurses on HPUX 10.10 has a broken version of select.
3795 ## We used to use -lc -lcurses, but this may be cleaner.
3796 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3797 # set that way, now it uses the default). Isn't this a contradiction?
3798 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3802 TERMCAP_OBJ=tparam.o
3803 if test $TERMINFO = yes; then
3804 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3805 TERMCAP_OBJ=terminfo.o
3807 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3808 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3810 AC_SUBST(LIBS_TERMCAP)
3811 AC_SUBST(TERMCAP_OBJ)
3813 # GNU/Linux-specific timer functions.
3814 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3816 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3818 [[timerfd_create (CLOCK_REALTIME,
3819 TFD_CLOEXEC | TFD_NONBLOCK);
3820 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3821 [emacs_cv_have_timerfd=yes],
3822 [emacs_cv_have_timerfd=no])])
3823 if test "$emacs_cv_have_timerfd" = yes; then
3824 AC_DEFINE([HAVE_TIMERFD], 1,
3825 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3828 # Alternate stack for signal handlers.
3829 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3830 [emacs_cv_alternate_stack],
3832 [AC_LANG_PROGRAM([[#include <signal.h>
3835 struct sigaction sa;
3836 ss.ss_sp = malloc (SIGSTKSZ);
3837 ss.ss_size = SIGSTKSZ;
3838 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3839 sigaltstack (&ss, 0);
3840 sigaction (SIGSEGV, &sa, 0);]])],
3841 [emacs_cv_alternate_stack=yes],
3842 [emacs_cv_alternate_stack=no])])
3844 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3845 # On Darwin, res_init appears not to be useful: see bug#562 and
3846 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3849 if test $opsys != darwin; then
3851 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3852 #include <arpa/nameser.h>
3853 #include <resolv.h>]],
3854 [[return res_init();]])],
3855 have_res_init=yes, have_res_init=no)
3856 if test "$have_res_init" = no; then
3858 LIBS="$LIBS -lresolv"
3859 AC_MSG_CHECKING(for res_init with -lresolv)
3860 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3861 #include <arpa/nameser.h>
3862 #include <resolv.h>]],
3863 [[return res_init();]])],
3864 have_res_init=yes, have_res_init=no)
3865 AC_MSG_RESULT($have_res_init)
3866 if test "$have_res_init" = yes ; then
3872 if test "$have_res_init" = yes; then
3873 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3877 # Do we need the Hesiod library to provide the support routines?
3878 dnl FIXME? Should we be skipping this on Darwin too?
3880 if test "$with_hesiod" != no ; then
3881 # Don't set $LIBS here -- see comments above. FIXME which comments?
3882 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3883 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3884 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3885 if test "$resolv" = yes ; then
3890 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3891 hesiod=yes, :, $RESOLVLIB)])
3893 if test x"$hesiod" = xyes; then
3899 # Do we need libresolv (due to res_init or Hesiod)?
3900 if test "$resolv" = yes && test $opsys != darwin; then
3907 # These tell us which Kerberos-related libraries to use.
3914 if test "${with_kerberos}" != no; then
3916 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3917 if test $have_com_err = yes; then
3918 COM_ERRLIB=-lcom_err
3919 LIBS="$COM_ERRLIB $LIBS"
3921 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3922 if test $have_crypto = yes; then
3924 LIBS="$CRYPTOLIB $LIBS"
3926 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3927 if test $have_k5crypto = yes; then
3928 CRYPTOLIB=-lk5crypto
3929 LIBS="$CRYPTOLIB $LIBS"
3931 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3932 if test $have_krb5=yes; then
3934 LIBS="$KRB5LIB $LIBS"
3936 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3937 if test "${with_kerberos5}" = no; then
3938 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3939 if test $have_des425 = yes; then
3941 LIBS="$DESLIB $LIBS"
3943 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3944 if test $have_des = yes; then
3946 LIBS="$DESLIB $LIBS"
3949 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3950 if test $have_krb4 = yes; then
3952 LIBS="$KRB4LIB $LIBS"
3954 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3955 if test $have_krb = yes; then
3957 LIBS="$KRB4LIB $LIBS"
3962 if test "${with_kerberos5}" != no; then
3963 AC_CHECK_HEADERS(krb5.h,
3964 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3965 [#include <krb5.h>])])
3967 AC_CHECK_HEADERS(krb.h,,
3968 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3969 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3971 AC_CHECK_HEADERS(com_err.h)
3975 AC_SUBST(COM_ERRLIB)
3981 AC_CHECK_HEADERS(valgrind/valgrind.h)
3983 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3986 AC_CHECK_FUNC(socket, , ok_so_far=no)
3987 if test $ok_so_far = yes; then
3988 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3990 if test $ok_so_far = yes; then
3991 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3993 if test $ok_so_far = yes; then
3994 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3995 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3996 [Define to 1 if you have inet sockets.])
4001 AC_CHECK_FUNCS(snprintf)
4003 dnl Check for glib. This differs from other library checks in that
4004 dnl Emacs need not link to glib unless some other library is already
4005 dnl linking to glib. Although glib provides no facilities that Emacs
4006 dnl needs for its own purposes, when glib is present Emacs needs to
4007 dnl use primitives like g_main_context_query to avoid clashing with
4008 dnl glib at a low level.
4010 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4014 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4015 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4016 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
4017 LIBS="$LIBS $GFILENOTIFY_LIBS"
4018 AC_MSG_CHECKING([whether GLib is linked in])
4019 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4022 [[g_print ("Hello world");]])],
4025 AC_MSG_RESULT([$links_glib])
4026 if test "${links_glib}" = "yes"; then
4027 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4028 if test "$HAVE_NS" = no;then
4036 dnl Adapted from Haible's version.
4037 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4038 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4039 [[char* cs = nl_langinfo(CODESET);]])],
4040 emacs_cv_langinfo_codeset=yes,
4041 emacs_cv_langinfo_codeset=no)
4043 if test $emacs_cv_langinfo_codeset = yes; then
4044 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4045 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4050 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4051 dnl how the tty code is related to POSIX and/or other versions of termios.
4052 dnl The following looks like a useful start.
4054 dnl AC_SYS_POSIX_TERMIOS
4055 dnl if test $ac_cv_sys_posix_termios = yes; then
4056 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4057 dnl and macros for terminal control.])
4058 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4061 dnl Turned on June 1996 supposing nobody will mind it.
4062 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4063 if test "${opsys}" != "mingw32"; then
4064 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4065 in the full name stands for the login id.])
4068 dnl Everybody supports this, except MS.
4069 dnl Seems like the kind of thing we should be testing for, though.
4070 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4071 if test "${opsys}" != "mingw32"; then
4072 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4075 dnl Everybody supports this, except MS-DOS.
4076 dnl Seems like the kind of thing we should be testing for, though.
4077 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4078 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4079 4.2-compatible sockets.])
4081 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4083 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4084 a null file, or a data sink.])
4085 if test "${opsys}" = "mingw32"; then
4086 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4088 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4091 if test "${opsys}" = "mingw32"; then
4096 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4097 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4098 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4099 dnl decides that a command-line argument to be passed to a MinGW program
4100 dnl is a PATH-style list of directories. But that heuristics plays it
4101 dnl safe, and only does the replacement when it is _absolutely_ sure it
4102 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4103 dnl which breaks in-tree builds. So we do this manually instead.
4104 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4105 dnl be computed as ':' in MSYS Bash.
4108 dnl Everybody supports this, except MS-DOS.
4109 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4111 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4114 AC_DEFINE(DIRECTORY_SEP, ['/'],
4115 [Character that separates directories in a file name.])
4117 if test "${opsys}" = "mingw32"; then
4118 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4119 [Returns true if character is a device separator.])
4121 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4122 [Returns true if character is a directory separator.])
4124 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4125 [Returns true if character is any form of separator.])
4127 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4128 [Returns true if character is a device separator.])
4130 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4131 [Returns true if character is a directory separator.])
4133 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4134 [Returns true if character is any form of separator.])
4137 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4141 dnl Unfortunately without libXmu we cannot support EditRes.
4142 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4143 AC_DEFINE(NO_EDITRES, 1)
4148 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4149 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4150 AC_DEFINE(NO_EDITRES, 1)
4156 irix6-5 | sol2* | unixware )
4157 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4158 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4159 dnl need the constant to dimension an array. So wire in the appropriate
4161 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4165 emacs_broken_SIGIO=no
4168 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4169 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4170 hpux* | irix6-5 | openbsd | sol2* | unixware )
4171 emacs_broken_SIGIO=yes
4175 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4176 dnl the way this system works, libc functions that return malloced
4177 dnl memory use the libc malloc implementation. Calling xfree or
4178 dnl xrealloc on the results of such functions results in a crash.
4180 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4181 dnl but that does not currently work on this system.
4183 dnl It is possible to completely override the malloc implementation on
4184 dnl AIX, but that involves putting the malloc functions in a shared
4185 dnl library and setting the MALLOCTYPE environment variable to point to
4186 dnl that shared library.
4188 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4189 dnl to avoid a crash just use the Emacs implementation for that function.
4191 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4192 dnl of this file, so that we do not check for get_current_dir_name
4193 dnl on AIX. But that might be fragile if something else ends
4194 dnl up testing for get_current_dir_name as a dependency.
4195 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4196 get_current_dir_name should not be used.])
4200 dnl Circumvent a bug in FreeBSD. In the following sequence of
4201 dnl writes/reads on a PTY, read(2) returns bogus data:
4203 dnl write(2) 1022 bytes
4204 dnl write(2) 954 bytes, get EAGAIN
4205 dnl read(2) 1024 bytes in process_read_output
4206 dnl read(2) 11 bytes in process_read_output
4208 dnl That is, read(2) returns more bytes than have ever been written
4209 dnl successfully. The 1033 bytes read are the 1022 bytes written
4210 dnl successfully after processing (for example with CRs added if the
4211 dnl terminal is set up that way which it is here). The same bytes will
4212 dnl be seen again in a later read(2), without the CRs.
4213 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4214 work around an issue when reading from a PTY.])
4220 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4221 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4226 darwin | dragonfly | freebsd | netbsd | openbsd )
4227 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4228 close a pty to make it a controlling terminal (it is already a
4229 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4233 dnl FIXME Surely we can test for this rather than hard-code it.
4235 netbsd | openbsd) sound_device="/dev/audio" ;;
4236 *) sound_device="/dev/dsp" ;;
4240 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4241 [Name of the default sound device.])
4244 dnl Emacs can read input using SIGIO and buffering characters itself,
4245 dnl or using CBREAK mode and making C-g cause SIGINT.
4246 dnl The choice is controlled by the variable interrupt_input.
4248 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4250 dnl Emacs uses the presence of the USABLE_SIGIO macro
4251 dnl to indicate whether or not signal-driven I/O is possible. It uses
4252 dnl INTERRUPT_INPUT to decide whether to use it by default.
4254 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4255 dnl CBREAK mode has two disadvantages
4256 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4257 dnl I hear that in system V this problem does not exist.
4258 dnl 2) Control-G causes output to be discarded.
4259 dnl I do not know whether this can be fixed in system V.
4261 dnl Another method of doing input is planned but not implemented.
4262 dnl It would have Emacs fork off a separate process
4263 dnl to read the input and send it to the true Emacs process
4266 darwin | gnu-linux | gnu-kfreebsd )
4267 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4272 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4273 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4274 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4275 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4276 dnl taking float or double parameters.
4278 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4279 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4280 file defines `NeedWidePrototypes' as `NO'.])
4285 dnl Used in process.c, this must be a loop, even if it only runs once.
4286 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4287 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4288 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4289 dnl trying suffixes 0-16.
4290 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4291 first PTY, if PTYs are supported.])
4292 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4293 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4294 end of a PTY, if non-standard.])
4295 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4296 end of a PTY, if non-standard.])
4300 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4301 dnl You allocate a pty by opening /dev/ptc to get the master side.
4302 dnl To get the name of the slave side, you just ttyname() the master side.
4303 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4304 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4308 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4309 dnl multi-line AC_DEFINEs are hard. :(
4310 AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (false)])
4311 AC_DEFINE(PTY_NAME_SPRINTF, [])
4312 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4315 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4317 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4318 dnl Not used, because PTY_ITERATION is defined.
4319 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4320 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4321 dnl But we don't have to block SIGCHLD because it is blocked in the
4322 dnl implementation of grantpt.
4323 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4324 AC_DEFINE(PTY_NAME_SPRINTF, [])
4325 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4329 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4332 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4334 if test "x$ac_cv_func_grantpt" = xyes; then
4335 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4336 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4337 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4338 dnl to prevent sigchld_handler from intercepting the child's death.
4339 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptyname = 0; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); if (grantpt (fd) != -1 && unlockpt (fd) != -1) ptyname = ptsname(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (!ptyname) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
4340 dnl if HAVE_POSIX_OPENPT
4341 if test "x$ac_cv_func_posix_openpt" = xyes; then
4342 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4343 AC_DEFINE(PTY_NAME_SPRINTF, [])
4345 elif test "x$ac_cv_func_getpt" = xyes; then
4346 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4347 AC_DEFINE(PTY_NAME_SPRINTF, [])
4349 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4352 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4357 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4358 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4359 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4363 dnl It looks like this cannot be right, because it is not a loop.
4364 dnl However, process.c actually does this:
4370 dnl which presumably makes it OK, since irix == sgi (?).
4371 dnl FIXME it seems like this special treatment is unnecessary?
4372 dnl Why can't irix use a single-trip loop like eg cygwin?
4373 AC_DEFINE(PTY_ITERATION, [])
4374 dnl Not used, because PTY_ITERATION is defined.
4375 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4376 AC_DEFINE(PTY_OPEN, [ { struct sigaction ocstat, cstat; struct stat stb; char * name; sigemptyset(&cstat.sa_mask); cstat.sa_handler = SIG_DFL; cstat.sa_flags = 0; sigaction(SIGCHLD, &cstat, &ocstat); name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCHLD, &ocstat, (struct sigaction *)0); if (name == 0) return -1; if (fd < 0) return -1; if (fstat (fd, &stb) < 0) return -1; strcpy (pty_name, name); }])
4377 dnl No need to get the pty name at all.
4378 AC_DEFINE(PTY_NAME_SPRINTF, [])
4379 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4380 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4384 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4385 dnl from intercepting that death. If any child but grantpt's should die
4386 dnl within, it should be caught after sigrelse(2).
4387 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1 || unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
4391 dnl Comments are as per sol2*.
4392 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1) fatal("could not grant slave pty"); if (unlockpt(fd) == -1) fatal("could not unlock slave pty"); if (!(ptyname = ptsname(fd))) fatal ("could not enable slave pty"); snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
4399 dnl This change means that we don't loop through allocate_pty too
4400 dnl many times in the (rare) event of a failure.
4401 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4402 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4403 dnl Push various streams modules onto a PTY channel. Used in process.c.
4404 AC_DEFINE(SETUP_SLAVE_PTY, [if (ioctl (xforkin, I_PUSH, "ptem") == -1) fatal ("ioctl I_PUSH ptem"); if (ioctl (xforkin, I_PUSH, "ldterm") == -1) fatal ("ioctl I_PUSH ldterm"); if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) fatal ("ioctl I_PUSH ttcompat");], [How to set up a slave PTY, if needed.])
4409 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4410 "typing" a signal character on the pty.])
4413 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4414 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4415 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4416 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4419 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4420 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4421 gnu-linux | gnu-kfreebsd )
4423 AC_MSG_CHECKING([for signals via characters])
4424 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4425 #include <linux/version.h>
4426 #if LINUX_VERSION_CODE < 0x20400
4427 # error "Linux version too old"
4429 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4431 AC_MSG_RESULT([$emacs_signals_via_chars])
4432 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4437 AH_TEMPLATE(TAB3, [Undocumented.])
4440 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4442 gnu | dragonfly | freebsd | netbsd | openbsd )
4443 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4444 AC_DEFINE(TAB3, OXTABS)
4447 gnu-linux | gnu-kfreebsd )
4448 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4452 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4453 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4454 [Mark a secondary stack, like the register stack on the ia64.]), [])
4458 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4459 run_time_remap; for HPUX.])
4464 dnl This won't be used automatically yet. We also need to know, at least,
4465 dnl that the stack is continuous.
4466 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4467 registers relevant for conservative garbage collection in the jmp_buf.])
4471 dnl Not all the architectures are tested, but there are Debian packages
4472 dnl for SCM and/or Guile on them, so the technique must work. See also
4473 dnl comments in alloc.c concerning setjmp and gcc.
4474 dnl Fixme: it's probably safe to just use the GCC conditional below.
4475 gnu-linux | gnu-kfreebsd )
4476 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4477 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4478 || defined __alpha__ || defined __mips__ || defined __s390__ \
4479 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4480 || defined __ia64__ || defined __sh__
4483 # error "setjmp not known to work on this arch"
4485 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4490 if test x$GCC = xyes; then
4491 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4492 AC_DEFINE(GC_SETJMP_WORKS, 1)
4495 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4496 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4497 AC_DEFINE(GC_SETJMP_WORKS, 1)
4502 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4503 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4506 [[#include <setjmp.h>
4508 # define _longjmp longjmp
4513 _longjmp (j, 1);]])],
4514 [emacs_cv_func__setjmp=yes],
4515 [emacs_cv_func__setjmp=no])])
4516 if test $emacs_cv_func__setjmp = yes; then
4517 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4520 # We need to preserve signal mask to handle C stack overflows.
4521 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4524 [[#include <setjmp.h>
4527 if (! sigsetjmp (j, 1))
4528 siglongjmp (j, 1);]])],
4529 [emacs_cv_func_sigsetjmp=yes],
4530 [emacs_cv_func_sigsetjmp=no])])
4531 if test $emacs_cv_func_sigsetjmp = yes; then
4532 AC_DEFINE([HAVE_SIGSETJMP], 1,
4533 [Define to 1 if sigsetjmp and siglongjmp work.])
4536 # We need all of these features to handle C stack overflows.
4537 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4538 "$ac_cv_func_getrlimit" = "yes" -a \
4539 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4540 "$emacs_cv_alternate_stack" = yes; then
4541 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4542 [Define to 1 if C stack overflow can be handled in some cases.])
4547 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4548 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4549 dnl and this is all we need.
4550 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4557 dnl Used in xfaces.c.
4558 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4559 some systems, where it requires time.h.])
4564 dnl Define symbols to identify the version of Unix this is.
4565 dnl Define all the symbols that apply correctly.
4566 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4567 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4568 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4569 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4574 dnl This symbol should be defined on AIX Version 3 ???????
4575 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4577 # error "_AIX not defined"
4579 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4583 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4587 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4588 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4589 dnl distinguish OS X from pure Darwin.
4590 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4593 gnu-linux | gnu-kfreebsd )
4595 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4600 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4605 AC_DEFINE(USG5_4, [])
4606 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4610 AC_DEFINE(DOS_NT, [])
4611 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4612 if test "x$ac_enable_checking" != "x" ; then
4613 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4619 AC_DEFINE(USG5_4, [])
4620 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4625 AC_DEFINE(USG5_4, [])
4629 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4632 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4633 emacs_cv_usable_FIONREAD=no
4637 emacs_cv_usable_FIONREAD=yes
4642 [AC_LANG_PROGRAM([[#include <sys/types.h>
4643 #include <sys/ioctl.h>
4645 # include <sys/filio.h>
4648 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4649 [emacs_cv_usable_FIONREAD=yes],
4650 [emacs_cv_usable_FIONREAD=no])
4653 if test $emacs_cv_usable_FIONREAD = yes; then
4654 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4656 if test $emacs_broken_SIGIO = no; then
4657 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4659 [AC_LANG_PROGRAM([[#include <fcntl.h>
4662 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4663 [emacs_cv_usable_SIGIO=yes],
4664 [emacs_cv_usable_SIGIO=no])],
4665 [emacs_cv_usable_SIGIO=yes],
4666 [emacs_cv_usable_SIGIO=no])
4667 if test $emacs_cv_usable_SIGIO = yes; then
4668 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4675 dnl It works to open the pty's tty in the parent (Emacs), then
4676 dnl close and reopen it in the child.
4677 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4678 works to open a pty's tty in the parent process, then close and
4679 reopen it in the child.])
4683 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4684 use VSUSP instead of VSWTCH.])
4688 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4693 # Set up the CFLAGS for real compilation, so we can substitute it.
4694 CFLAGS="$REAL_CFLAGS"
4695 CPPFLAGS="$REAL_CPPFLAGS"
4698 ## Hack to detect a buggy GCC version.
4699 if test "x$GCC" = xyes \
4700 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4701 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4702 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4703 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4706 version=$PACKAGE_VERSION
4708 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4709 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4710 [Short copyright string for this version of Emacs.])
4713 ### Specify what sort of things we'll be editing into Makefile and config.h.
4714 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4716 AC_SUBST(configuration)
4721 AC_SUBST(exec_prefix)
4724 AC_SUBST(sharedstatedir)
4725 AC_SUBST(libexecdir)
4729 AC_SUBST(standardlisppath)
4730 AC_SUBST(locallisppath)
4732 AC_SUBST(x_default_search_path)
4734 AC_SUBST(archlibdir)
4740 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4741 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4742 ## end of LIBX_BASE, but nothing ever set it.
4743 AC_SUBST(LD_SWITCH_X_SITE)
4744 AC_SUBST(C_SWITCH_X_SITE)
4745 AC_SUBST(GNUSTEP_CFLAGS)
4747 ## Used in lwlib/Makefile.in.
4748 AC_SUBST(X_TOOLKIT_TYPE)
4750 AC_SUBST(ns_appbindir)
4751 AC_SUBST(ns_appresdir)
4753 AC_SUBST(GNU_OBJC_CFLAGS)
4754 AC_SUBST(OTHER_FILES)
4756 if test -n "${term_header}"; then
4757 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4758 [Define to the header for the built-in window system.])
4761 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4762 [Define to the canonical Emacs configuration name.])
4763 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4764 [Define to the options passed to configure.])
4765 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4766 define this to include extra configuration information.])
4770 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4777 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4778 AC_DEFINE(HAVE_X_WINDOWS, 1,
4779 [Define to 1 if you want to use the X window system.])
4781 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4783 if test "$HAVE_XFT" = "yes"; then
4784 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4785 elif test "$HAVE_FREETYPE" = "yes"; then
4786 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4796 if test "${USE_X_TOOLKIT}" != "none" ; then
4798 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4799 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4800 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4801 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4802 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4806 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4807 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4811 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4812 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4813 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4817 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4818 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4821 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4824 AC_SUBST(WIDGET_OBJ)
4827 case "$USE_X_TOOLKIT" in
4828 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4829 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4830 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
4832 AC_SUBST(TOOLKIT_LIBW)
4834 if test "${opsys}" != "mingw32"; then
4835 if test "$USE_X_TOOLKIT" = "none"; then
4836 LIBXT_OTHER="\$(LIBXSM)"
4838 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4841 AC_SUBST(LIBXT_OTHER)
4843 if test "${HAVE_X11}" = "yes" ; then
4844 AC_DEFINE(HAVE_X11, 1,
4845 [Define to 1 if you want to use version 11 of X windows.])
4846 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4850 AC_SUBST(LIBX_OTHER)
4852 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4854 elif test "$USE_X_TOOLKIT" = none; then
4855 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4857 LIBXMENU='$(lwlibdir)/liblw.a'
4861 AC_CACHE_CHECK([for struct alignment],
4862 [emacs_cv_struct_alignment],
4864 [AC_LANG_PROGRAM([[#include <stddef.h>
4865 struct __attribute__ ((aligned (8))) s { char c; };
4866 struct t { char c; struct s s; };
4867 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4869 [emacs_cv_struct_alignment=yes],
4870 [emacs_cv_struct_alignment=no])])
4871 if test "$emacs_cv_struct_alignment" = yes; then
4872 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4873 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4874 structure to an N-byte boundary.])
4877 if test "${GNU_MALLOC}" = "yes" ; then
4878 AC_DEFINE(GNU_MALLOC, 1,
4879 [Define to 1 if you want to use the GNU memory allocator.])
4883 if test "${REL_ALLOC}" = "yes" ; then
4884 AC_DEFINE(REL_ALLOC, 1,
4885 [Define REL_ALLOC if you want to use the relocating allocator for
4888 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4890 AC_SUBST(RALLOC_OBJ)
4892 if test "$opsys" = "cygwin"; then
4893 CYGWIN_OBJ="sheap.o cygw32.o"
4894 ## Cygwin differs because of its unexec().
4896 POST_ALLOC_OBJ=lastfile.o
4897 elif test "$opsys" = "mingw32"; then
4900 POST_ALLOC_OBJ=lastfile.o
4903 PRE_ALLOC_OBJ=lastfile.o
4906 AC_SUBST(CYGWIN_OBJ)
4907 AC_SUBST(PRE_ALLOC_OBJ)
4908 AC_SUBST(POST_ALLOC_OBJ)
4910 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4911 dnl verbatim defined above. The tricky name is apropos, as this hack
4912 dnl makes Fortify go sour!
4913 AH_VERBATIM([FORTIFY_SOUR],
4914 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4915 The workaround disables some useful run-time checking, so it
4916 should be conditional to the platforms with the performance bug.
4917 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4918 #if defined __APPLE__ && defined __GNUC__
4919 # ifndef _DONT_USE_CTYPE_INLINE_
4920 # define _DONT_USE_CTYPE_INLINE_
4922 # ifndef _FORTIFY_SOURCE
4923 # define _FORTIFY_SOURCE 0
4928 # If user asks to omit features, disable optional features that gnulib
4929 # might otherwise enable.
4930 if test "$with_features" = no && test "$enable_acl" != yes; then
4934 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4935 # it temporarily reverts them to their pre-pkg-config values,
4936 # because gnulib needs to work with both src (which uses the
4937 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4938 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4939 # and it therefore needs to run in an environment where LIBS does not
4940 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4941 # for some package unrelated to lib-src.
4944 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4945 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4946 gl_ASSERT_NO_GNULIB_POSIXCHECK
4947 gl_ASSERT_NO_GNULIB_TESTS
4952 if test "${opsys}" = "mingw32"; then
4953 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4954 # Remove unneeded switches from the value of CC that goes to Makefiles
4955 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4959 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4961 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4964 ## The -headerpad option tells ld (see man page) to leave room at the
4965 ## end of the header for adding load commands. Needed for dumping.
4966 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4967 ## architecture (where they are 78 bytes each). The actual number of
4968 ## load commands added is not consistent but normally ranges from
4969 ## about 14 to about 34. Setting it high gets us plenty of slop and
4970 ## only costs about 1.5K of wasted binary space.
4971 headerpad_extra=1000
4972 if test "$HAVE_NS" = "yes"; then
4973 libs_nsgui="-framework AppKit"
4974 if test "$NS_IMPL_COCOA" = "yes"; then
4975 libs_nsgui="$libs_nsgui -framework IOKit"
4980 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4982 ## This is here because src/Makefile.in did some extra fiddling around
4983 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4984 ## LD_SWITCH_SYSTEM_TEMACS instead,
4985 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4986 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4989 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4990 ## find X at run-time.
4991 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4992 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4993 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4994 ## had different values in configure (in ac_link) and src/Makefile.in.
4995 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4996 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4999 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5000 case "$canonical" in
5001 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5002 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5006 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
5008 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5011 if test x$ac_enable_profiling != x ; then
5013 *freebsd | gnu-linux) ;;
5014 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5018 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5020 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5022 ## Common for all window systems
5023 if test "$window_system" != "none"; then
5024 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5025 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5026 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5029 AC_SUBST(WINDOW_SYSTEM_OBJ)
5031 AH_TOP([/* GNU Emacs site configuration template file.
5033 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
5034 Free Software Foundation, Inc.
5036 This file is part of GNU Emacs.
5038 GNU Emacs is free software: you can redistribute it and/or modify
5039 it under the terms of the GNU General Public License as published by
5040 the Free Software Foundation, either version 3 of the License, or
5041 (at your option) any later version.
5043 GNU Emacs is distributed in the hope that it will be useful,
5044 but WITHOUT ANY WARRANTY; without even the implied warranty of
5045 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5046 GNU General Public License for more details.
5048 You should have received a copy of the GNU General Public License
5049 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5052 /* No code in Emacs #includes config.h twice, but some bits of code
5053 intended to work with other packages as well (like gmalloc.c)
5054 think they can include it as many times as they like. */
5055 #ifndef EMACS_CONFIG_H
5056 #define EMACS_CONFIG_H
5059 AH_BOTTOM([#include <conf_post.h>
5061 #endif /* EMACS_CONFIG_H */
5070 #### Report on what we decided to do.
5071 #### Report GTK as a toolkit, even if it doesn't use Xt.
5072 #### It makes printing result more understandable as using GTK sets
5073 #### toolkit_scroll_bars to yes by default.
5074 if test "${HAVE_GTK}" = "yes"; then
5075 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5078 if test $USE_ACL -ne 0; then
5079 ACL_SUMMARY="yes $LIB_ACL"
5085 Configured for \`${canonical}'.
5087 Where should the build process find the source code? ${srcdir}
5088 What compiler should emacs be built with? ${CC} ${CFLAGS}
5089 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5090 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5091 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5092 What window system should Emacs use? ${window_system}
5093 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5095 if test -n "${x_includes}"; then
5096 echo " Where do we find X Windows header files? ${x_includes}"
5098 echo " Where do we find X Windows header files? Standard dirs"
5100 if test -n "${x_libraries}"; then
5101 echo " Where do we find X Windows libraries? ${x_libraries}"
5103 echo " Where do we find X Windows libraries? Standard dirs"
5107 emacs_config_features=
5108 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5109 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5113 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5114 *) eval val=\${HAVE_$opt} ;;
5116 test x"$val" = xno && continue
5117 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5120 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5121 [Summary of some of the main features enabled by configure.])
5123 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5124 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5125 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5126 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5127 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5128 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5129 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5130 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5132 echo " Does Emacs support sound? ${HAVE_SOUND}"
5134 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5135 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5136 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5137 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5138 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5139 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5140 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5141 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5142 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5144 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5145 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5146 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5147 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5148 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5150 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5152 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
5153 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
5154 echo " Does xwidgets support gobject introspection? ${HAVE_GIR}"
5157 if test -n "${EMACSDATA}"; then
5158 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5160 if test -n "${EMACSDOC}"; then
5161 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5166 if test "$HAVE_NS" = "yes"; then
5168 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5169 The installed application will go to nextstep/Emacs.app and can be
5170 run or moved from there."
5171 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5172 echo "The application will be fully self-contained."
5174 echo "The lisp resources for the application will be installed under ${prefix}.
5175 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5176 to run if these resources are not installed."
5181 if test "${opsys}" = "cygwin"; then
5183 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5189 # Remove any trailing slashes in these variables.
5190 [test "${prefix}" != NONE &&
5191 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5192 test "${exec_prefix}" != NONE &&
5193 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5195 if test "$HAVE_NS" = "yes"; then
5196 if test "$NS_IMPL_GNUSTEP" = yes; then
5197 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5198 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5199 ns_check_file=Resources/Info-gnustep.plist
5201 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5202 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5203 ns_check_file=Contents/Info.plist
5205 AC_SUBST(ns_check_file)
5208 dnl config.status treats $srcdir specially, so I think this is ok...
5209 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5211 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5212 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5213 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5214 dnl (else you get "no `Makefile.am' found for any configure output").
5215 dnl This will work, but you get a config.status that is not quite right
5216 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5217 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5218 dnl it seems better to just live with the duplication.
5219 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5221 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5222 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5223 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5224 leim/Makefile nextstep/Makefile nt/Makefile])
5226 dnl test/ is not present in release tarfiles.
5227 opt_makefile=test/automated/Makefile
5229 if test -f "$srcdir/$opt_makefile.in"; then
5230 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5231 dnl Again, it's best not to use a variable. Though you can add
5232 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5233 AC_CONFIG_FILES([test/automated/Makefile])
5237 dnl The admin/ directory used to be excluded from tarfiles.
5238 if test -d $srcdir/admin; then
5239 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5240 AC_CONFIG_FILES([admin/unidata/Makefile])
5241 AC_CONFIG_FILES([admin/grammars/Makefile])
5245 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5247 AC_SUBST(SUBDIR_MAKEFILES_IN)
5249 dnl You might wonder (I did) why epaths.h is generated by running make,
5250 dnl rather than just letting configure generate it from epaths.in.
5251 dnl One reason is that the various paths are not fully expanded (see above);
5252 dnl eg gamedir=${prefix}/var/games/emacs.
5253 dnl Secondly, the GNU Coding standards require that one should be able
5254 dnl to run `make prefix=/some/where/else' and override the values set
5255 dnl by configure. This also explains the `move-if-change' test and
5256 dnl the use of force in the `epaths-force' rule in Makefile.in.
5257 AC_CONFIG_COMMANDS([src/epaths.h], [
5258 if test "${opsys}" = "mingw32"; then
5259 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5261 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5262 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5263 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5265 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5266 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5268 AC_CONFIG_COMMANDS([src/.gdbinit], [
5269 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5270 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5274 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5275 dnl See comments for etc-refcards-emacsver.tex.
5276 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5277 dnl it is not quite the same. But we are generating in $srcdir.
5278 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5279 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5280 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5283 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5284 dnl then a directory etc/refcards is created in the build directory,
5285 dnl which is probably harmless, but confusing (in out-of-tree builds).
5286 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5287 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5288 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5289 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5290 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5295 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])