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, 1999-2017 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, 26.0.50, 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 $ac_configure_args.
36 for opt in "$@" 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 "$with_hesiod" != no; then
269 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
272 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
273 if test "$with_mail_unlink" != no; then
274 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
277 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
278 [string giving default POP mail host])],
279 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
281 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
282 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
283 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
284 [ case "${withval}" in
285 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
286 *) AC_MSG_ERROR(['--with-sound=$withval' is invalid;
287 this option's value should be 'yes', 'no', 'alsa', 'oss', or 'bsd-ossaudio'.])
292 [with_sound=$with_features])
294 dnl FIXME currently it is not the last.
295 dnl This should be the last --with option, because --with-x is
296 dnl added later on when we find the file name of X, and it's best to
297 dnl keep them together visually.
298 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
299 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
300 [ case "${withval}" in
301 y | ye | yes ) val=gtk ;;
303 l | lu | luc | luci | lucid ) val=lucid ;;
304 a | at | ath | athe | athen | athena ) val=athena ;;
305 m | mo | mot | moti | motif ) val=motif ;;
306 g | gt | gtk ) val=gtk ;;
310 AC_MSG_ERROR(['--with-x-toolkit=$withval' is invalid;
311 this option's value should be 'yes', 'no', 'lucid', 'athena', 'motif', 'gtk',
312 'gtk2' or 'gtk3'. 'yes' and 'gtk' are synonyms.
313 'athena' and 'lucid' are synonyms.])
319 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit); allows buffer and string size up to 2GB on 32-bit hosts, at the cost of 10% to 30% slowdown of Lisp interpreter and larger memory footprint])
320 if test "$with_wide_int" = yes; then
321 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
324 dnl _ON results in a '--without' option in the --help output, so
325 dnl the help text should refer to "don't compile", etc.
326 with_xpm_set=${with_xpm+set}
327 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
328 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
329 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
330 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
331 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
332 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
333 OPTION_DEFAULT_ON([libsystemd],[don't compile with libsystemd support])
334 OPTION_DEFAULT_OFF([cairo],[compile with Cairo drawing (experimental)])
335 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
336 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
338 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
339 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
340 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
342 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
343 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
344 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
345 AC_ARG_WITH([ns],[AS_HELP_STRING([--with-ns],
346 [use Nextstep (macOS Cocoa or GNUstep) windowing system.
347 On by default on macOS.])],[],[with_ns=maybe])
348 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
350 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
351 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
352 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
353 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
354 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
355 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
356 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
357 OPTION_DEFAULT_OFF([modules],[compile with dynamic modules support])
358 OPTION_DEFAULT_ON([threads],[don't compile with elisp threading support])
360 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
361 [use a file notification library (LIB one of: yes, inotify, kqueue, gfile, w32, no)])],
362 [ case "${withval}" in
363 y | ye | yes ) val=yes ;;
365 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
366 k | kq | kqu | kque | kqueu | kqueue ) val=kqueue ;;
367 g | gf | gfi | gfil | gfile ) val=gfile ;;
368 w | w3 | w32 ) val=w32 ;;
369 * ) AC_MSG_ERROR(['--with-file-notification=$withval' is invalid;
370 this option's value should be 'yes', 'no', 'inotify', 'kqueue', 'gfile' or 'w32'.
371 'yes' is a synonym for 'w32' on MS-Windows, for 'no' on Nextstep,
372 otherwise for the first of 'inotify', 'kqueue' or 'gfile' that is usable.])
375 with_file_notification=$val
377 [with_file_notification=$with_features])
379 OPTION_DEFAULT_OFF([xwidgets],
380 [enable use of some gtk widgets in Emacs buffers (requires gtk3)])
382 ## For the times when you want to build Emacs but don't have
383 ## a suitable makeinfo, and can live without the manuals.
384 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
385 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
387 ## This might be a 'configure' arg.
388 AC_SUBST([ACLOCAL_PATH])
390 ## Makefile.in needs the cache file name.
393 ## This is an option because I do not know if all info/man support
394 ## compressed files, nor how to test if they do so.
395 OPTION_DEFAULT_ON([compress-install],
396 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
397 make GZIP_PROG= install])
399 AC_ARG_WITH(gameuser,dnl
400 [AS_HELP_STRING([--with-gameuser=USER_OR_GROUP],
401 [user for shared game score files.
402 An argument prefixed by ':' specifies a group instead.])])
405 # We don't test if we can actually chown/chgrp here, because configure
406 # may run without root privileges. lib-src/Makefile.in will handle
407 # any errors due to missing user/group gracefully.
408 case ${with_gameuser} in
410 "" | yes) gamegroup=games ;;
411 :*) gamegroup=${with_gameuser#:} ;;
412 *) gameuser=${with_gameuser} ;;
415 AC_ARG_WITH([gnustep-conf],dnl
416 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
417 [name of GNUstep configuration file to use on systems where the command
418 'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or
419 /etc/GNUstep/GNUstep.conf])])
420 test "X${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)
432 AC_ARG_ENABLE(locallisppath,
433 [AS_HELP_STRING([--enable-locallisppath=PATH],
434 [directories Emacs should search for lisp files specific
436 if test "${enableval}" = "no"; then
438 elif test "${enableval}" != "yes"; then
439 locallisppath=${enableval} locallisppathset=yes
442 AC_ARG_ENABLE(checking,
443 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
444 [enable expensive run-time checks. With LIST,
445 enable only specific categories of checks.
446 Categories are: all,yes,no.
447 Flags are: stringbytes, stringoverrun, stringfreelist,
448 xmallocoverrun, conslist, glyphs])],
449 [ac_checking_flags="${enableval}"],[])
450 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
451 for check in $ac_checking_flags
454 # these set all the flags to specific states
455 yes) ac_enable_checking=1 ;;
456 no) ac_enable_checking= ;
457 ac_gc_check_stringbytes= ;
458 ac_gc_check_string_overrun= ;
459 ac_gc_check_string_free_list= ;
460 ac_xmalloc_overrun= ;
461 ac_gc_check_cons_list= ;
463 all) ac_enable_checking=1 ;
464 ac_gc_check_stringbytes=1 ;
465 ac_gc_check_string_overrun=1 ;
466 ac_gc_check_string_free_list=1 ;
467 ac_xmalloc_overrun=1 ;
468 ac_gc_check_cons_list=1 ;
470 # these enable particular checks
471 stringbytes) ac_gc_check_stringbytes=1 ;;
472 stringoverrun) ac_gc_check_string_overrun=1 ;;
473 stringfreelist) ac_gc_check_string_free_list=1 ;;
474 xmallocoverrun) ac_xmalloc_overrun=1 ;;
475 conslist) ac_gc_check_cons_list=1 ;;
476 glyphs) ac_glyphs_debug=1 ;;
477 *) AC_MSG_ERROR(unknown check category $check) ;;
482 if test x$ac_enable_checking != x ; then
483 AC_DEFINE(ENABLE_CHECKING, 1,
484 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
486 if test x$ac_gc_check_stringbytes != x ; then
487 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
488 [Define this temporarily to hunt a bug. If defined, the size of
489 strings is redundantly recorded in sdata structures so that it can
490 be compared to the sizes recorded in Lisp strings.])
492 if test x$ac_gc_check_string_overrun != x ; then
493 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
494 [Define this to check for short string overrun.])
496 if test x$ac_gc_check_string_free_list != x ; then
497 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
498 [Define this to check the string free list.])
500 if test x$ac_xmalloc_overrun != x ; then
501 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
502 [Define this to check for malloc buffer overrun.])
504 if test x$ac_gc_check_cons_list != x ; then
505 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
506 [Define this to check for errors in cons list.])
508 if test x$ac_glyphs_debug != x ; then
509 AC_DEFINE(GLYPH_DEBUG, 1,
510 [Define this to enable glyphs debugging code.])
513 AC_ARG_ENABLE(check-lisp-object-type,
514 [AS_HELP_STRING([--enable-check-lisp-object-type],
515 [enable compile time checks for the Lisp_Object data type.
516 This is useful for development for catching certain types of bugs.])],
517 if test "${enableval}" != "no"; then
518 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
519 [Define this to enable compile time checks for the Lisp_Object data type.])
523 dnl The name of this option is unfortunate. It predates, and has no
524 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
525 dnl Actually, it stops it working.
526 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
527 AC_ARG_ENABLE(profiling,
528 [AS_HELP_STRING([--enable-profiling],
529 [build emacs with low-level, gprof profiling support.
530 Mainly useful for debugging Emacs itself. May not work on
531 all platforms. Stops profiler.el working.])],
532 [ac_enable_profiling="${enableval}"],[])
533 if test x$ac_enable_profiling != x ; then
534 PROFILING_CFLAGS="-DPROFILING=1 -pg"
538 AC_SUBST(PROFILING_CFLAGS)
540 AC_ARG_ENABLE(autodepend,
541 [AS_HELP_STRING([--enable-autodepend],
542 [automatically generate dependencies to .h-files.
543 Requires gcc, enabled if found.])],
544 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
546 AC_ARG_ENABLE(gtk-deprecation-warnings,
547 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
548 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
549 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
552 AC_ARG_ENABLE([build-details],
553 [AS_HELP_STRING([--disable-build-details],
554 [Make the build more deterministic by omitting host
555 names, time stamps, etc. from the output.])],
556 [test "$enableval" = no && BUILD_DETAILS=--no-build-details])
557 AC_SUBST([BUILD_DETAILS])
559 dnl This used to use changequote, but, apart from 'changequote is evil'
560 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
561 dnl the great gob of text. Thus it's not processed for possible expansion.
562 dnl Just make sure the brackets remain balanced.
564 dnl Since Emacs can't find matching pairs of quotes, boundaries are
565 dnl indicated by comments.
569 ### If you add support for a new configuration, add code to this
570 ### switch statement to recognize your configuration name and select
571 ### the appropriate opsys.
573 ### As far as handling version numbers on operating systems is
574 ### concerned, make sure things will fail in a fixable way. If
575 ### /etc/MACHINES doesn't say anything about version numbers, be
576 ### prepared to handle anything reasonably. If version numbers
577 ### matter, be sure /etc/MACHINES says something about it.
580 case "${canonical}" in
582 ## GNU/Linux and similar ports
597 ## FreeBSD kernel + glibc based userland
608 *-*-openbsd* | *-*-mirbsd* )
612 ## Apple Darwin / macOS
614 case "${canonical}" in
615 *-apple-darwin[0-9].*) unported=yes ;;
616 i[3456]86-* | x86_64-* ) ;;
620 ## FIXME: Find a way to use Fink if available (Bug#11507).
623 ## Chromium Native Client
633 ## HP 9000 series 700 and 800, running HP/UX
637 hppa*-hp-hpux1[1-9]* )
639 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
643 rs6000-ibm-aix4.[23]* )
646 powerpc-ibm-aix4.[23]* )
649 rs6000-ibm-aix[56]* )
652 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
658 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
659 | x86_64-*-solaris2* | x86_64-*-sunos5*)
660 case "${canonical}" in
662 amd64-*-*|x86_64-*-*) ;;
666 case "${canonical}" in
667 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
669 emacs_check_sunpro_c=yes
671 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
672 ## Note that Emacs 23.1's NEWS said the following would be dropped.
673 *-sunos5.6* | *-solaris2.6* )
677 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
678 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
680 emacs_check_sunpro_c=yes
683 ## Watch out for a compiler that we know will not work.
684 case "${canonical}" in
685 *-solaris* | *-sunos5* )
686 if [ "x$CC" = x/usr/ucb/cc ]; then
687 ## /usr/ucb/cc doesn't work;
688 ## we should find some other compiler that does work.
696 ## Intel 386 machines where we don't care about the manufacturer.
698 case "${canonical}" in
699 *-darwin* ) opsys=darwin ;;
702 # MinGW overrides and adds some system headers in nt/inc.
703 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
705 *-sysv4.2uw* ) opsys=unixware ;;
706 *-sysv5uw* ) opsys=unixware ;;
707 *-sysv5OpenUNIX* ) opsys=unixware ;;
708 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
714 case "${canonical}" in
717 # MinGW overrides and adds some system headers in nt/inc.
718 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
720 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
729 ### If the code above didn't choose an operating system, just choose
730 ### an operating system based on the configuration name. You really
731 ### only want to use this when you have no idea what the right
732 ### operating system is; if you know what operating systems a machine
733 ### runs, it's cleaner to make it explicit in the case statement
735 if test x"${opsys}" = x; then
736 case "${canonical}" in
737 *-gnu* ) opsys=gnu ;;
747 if test $unported = yes; then
748 AC_MSG_ERROR([Emacs does not support '${canonical}' systems.
749 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
750 Check 'etc/MACHINES' for recognized configuration names.])
753 #### Choose a compiler.
755 dnl Don't bother to test for C89.
756 AC_DEFUN([_AC_PROG_CC_C89], [$2])
758 dnl Sets GCC=yes if using gcc.
759 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
760 if test -n "$XCRUN"; then
761 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
762 test -n "$AR" && export AR
765 dnl Emacs needs C99 or later.
770 if test x$GCC = xyes; then
771 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
774 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
775 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
776 dnl that clash with MinGW.
779 GNULIB_MK='$(srcdir)/nt/gnulib.mk'
782 GNULIB_MK='$(srcdir)/lib/gnulib.mk'
786 AC_SUBST([GNULIB_MK])
788 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
790 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
791 AC_DEFUN([gl_CRYPTO_CHECK])
792 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
793 # as we don't use them.
794 AC_DEFUN([gl_FCNTL_O_FLAGS])
795 # Avoid gnulib's test for pthread_sigmask.
797 for func in $ac_func_list; do
798 test $func = pthread_sigmask || AS_VAR_APPEND([funcs], [" $func"])
801 # Use the system putenv even if it lacks GNU features, as we don't need them,
802 # and the gnulib replacement runs afoul of a FreeBSD 10.1 bug; see Bug#19874.
803 AC_CHECK_FUNCS_ONCE([putenv])
804 AC_DEFUN([gl_FUNC_PUTENV],
805 [test "$ac_cv_func_putenv" = yes || REPLACE_PUTENV=1])
806 # Emacs does not use the wchar or wctype-h modules.
807 AC_DEFUN([gt_TYPE_WINT_T],
808 [GNULIB_OVERRIDES_WINT_T=0
809 AC_SUBST([GNULIB_OVERRIDES_WINT_T])])
811 # Initialize gnulib right after choosing the compiler.
812 dnl Amongst other things, this sets AR and ARFLAGS.
815 if test "$ac_test_CFLAGS" != set; then
816 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
817 # if -g3 works and the user does not specify CFLAGS.
818 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
821 emacs_g3_CFLAGS='-g3';;
823 emacs_g3_CFLAGS='-g3 -O2';;
827 if test -n "$emacs_g3_CFLAGS"; then
828 emacs_save_CFLAGS=$CFLAGS
829 CFLAGS=$emacs_g3_CFLAGS
830 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
831 [emacs_cv_prog_cc_g3],
832 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
833 [emacs_cv_prog_cc_g3=yes],
834 [emacs_cv_prog_cc_g3=no])])
835 if test $emacs_cv_prog_cc_g3 != yes; then
836 CFLAGS=$emacs_save_CFLAGS
838 if test $opsys = mingw32; then
839 CFLAGS="$CFLAGS -gdwarf-2"
846 # No optimization flag was inferred for this non-GCC compiler.
847 # Try -O. This is needed for xlc on AIX; see Bug#14258.
848 emacs_save_CFLAGS=$CFLAGS
849 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
851 AC_CACHE_CHECK([whether $CC accepts -O],
852 [emacs_cv_prog_cc_o],
853 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
854 [emacs_cv_prog_cc_o=yes],
855 [emacs_cv_prog_cc_o=no])])
856 if test $emacs_cv_prog_cc_o != yes; then
857 CFLAGS=$emacs_save_CFLAGS
862 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
863 # ---------------------------------------------------------------------------
864 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
865 # Otherwise, run RUN-IF-NOT-FOUND.
866 AC_DEFUN([gl_GCC_VERSION_IFELSE],
870 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
873 # error "your version of gcc is older than $1.$2"
880 AC_ARG_ENABLE([gcc-warnings],
881 [AS_HELP_STRING([--enable-gcc-warnings@<:@=TYPE@:>@],
882 [control generation of GCC warnings. The TYPE 'yes'
883 means to fail if any warnings are issued; 'warn-only'
884 means issue warnings without failing (default for
885 developer builds); 'no' means disable warnings
886 (default for non-developer builds).])],
889 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
891 gl_gcc_warnings=$enableval],
892 [# By default, use 'warn-only' if it looks like the invoker of 'configure'
893 # is a developer as opposed to a builder. This is most likely true
894 # if GCC is recent enough and there is a .git directory or file;
895 # however, if there is also a .tarball-version file it is probably
896 # just a release imported into Git for patch management.
898 if test -e "$srcdir"/.git && test ! -f "$srcdir"/.tarball-version; then
899 gl_GCC_VERSION_IFELSE([5], [3], [gl_gcc_warnings=warn-only])]
903 # clang is unduly picky about some things.
904 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
911 [emacs_cv_clang=yes],
912 [emacs_cv_clang=no])])
914 # When compiling with GCC, prefer -isystem to -I when including system
915 # include files, to avoid generating useless diagnostics for the files.
916 AS_IF([test $gl_gcc_warnings = no],
919 AS_IF([test "$emacs_cv_clang" = yes],
921 # Turn off some warnings if supported.
922 gl_WARN_ADD([-Wno-switch])
923 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
924 gl_WARN_ADD([-Wno-pointer-sign])
925 gl_WARN_ADD([-Wno-string-plus-int])
926 gl_WARN_ADD([-Wno-unknown-attributes])
931 # This, $nw, is the list of warnings we disable.
934 case $with_x_toolkit in
935 lucid | athena | motif)
936 # Old toolkits mishandle 'const'.
937 nw="$nw -Wwrite-strings"
940 AS_IF([test $gl_gcc_warnings = yes],
941 [gl_WARN_ADD([-Werror], [WERROR_CFLAGS])])
942 AC_SUBST([WERROR_CFLAGS])
944 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
945 nw="$nw -Woverlength-strings" # Not a problem these days
946 nw="$nw -Wformat-nonliteral" # we do this a lot
947 nw="$nw -Wvla" # Emacs uses <vla.h>.
948 nw="$nw -Wswitch-default" # Too many warnings for now
949 nw="$nw -Wunused-const-variable=2" # lisp.h declares const objects.
950 nw="$nw -Winline" # OK to ignore 'inline'
951 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
952 # signed overflow has undefined behavior
953 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
954 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
955 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
957 # Emacs doesn't care about shadowing; see
958 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
961 # Emacs's use of alloca inhibits protecting the stack.
962 nw="$nw -Wstack-protector"
964 # Emacs's use of partly-const functions such as Fgnutls_available_p
965 # make this option problematic.
966 nw="$nw -Wsuggest-attribute=const"
968 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
969 # option problematic.
970 nw="$nw -Wsuggest-attribute=pure"
972 # This part is merely for shortening the command line,
973 # since -Wall implies -Wswitch.
976 # This part is merely for shortening the command line,
977 # since -Wno-FOO needs to be added below regardless.
978 nw="$nw -Wmissing-field-initializers"
979 nw="$nw -Wtype-limits"
980 nw="$nw -Wunused-parameter"
982 if test $emacs_cv_clang = yes; then
983 nw="$nw -Wcast-align"
986 # This causes too much noise in the MinGW build
987 if test $opsys = mingw32; then
988 nw="$nw -Wpointer-sign"
991 gl_MANYWARN_ALL_GCC([ws])
992 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
996 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
997 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
998 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
999 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
1000 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
1001 gl_WARN_ADD([-Wno-format-nonliteral])
1003 # More things that clang is unduly picky about.
1004 if test $emacs_cv_clang = yes; then
1005 gl_WARN_ADD([-Wno-tautological-compare])
1006 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
1009 # This causes too much noise in the MinGW build
1010 if test $opsys = mingw32; then
1011 gl_WARN_ADD([-Wno-pointer-sign])
1014 AC_DEFINE([GCC_LINT], [1], [Define to 1 if --enable-gcc-warnings.])
1015 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
1016 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
1017 [/* Enable compile-time and run-time bounds-checking, and some warnings,
1018 without upsetting glibc 2.15+. */
1019 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
1020 && defined __OPTIMIZE__ && __OPTIMIZE__)
1021 # define _FORTIFY_SOURCE 2
1025 # We use a slightly smaller set of warning options for lib/.
1026 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
1028 nw="$nw -Wunused-macros"
1030 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1031 AC_SUBST([GNULIB_WARN_CFLAGS])
1041 AC_ARG_ENABLE(link-time-optimization,
1042 [AS_HELP_STRING([--enable-link-time-optimization],
1043 [build emacs with link-time optimization.
1044 This requires GCC 4.5.0 or later, or clang.
1045 (Note that clang support is experimental - see INSTALL.)
1046 It also makes Emacs harder to debug, and when we tried it
1047 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
1048 recommended for typical use.])],
1049 if test "${enableval}" != "no"; then
1051 if test $emacs_cv_clang = yes; then
1052 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
1053 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
1054 if test -x "$GOLD_PLUGIN"; then
1057 elif test x$GCC = xyes; then
1058 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
1059 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
1060 if test x$CPUS != x; then
1066 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1068 if test -z "$LTO"; then
1072 CFLAGS="$CFLAGS $LTO"
1073 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1074 [ac_lto_supported=yes], [ac_lto_supported=no])
1075 CFLAGS="$old_CFLAGS"
1077 AC_MSG_RESULT([$ac_lto_supported])
1078 if test "$ac_lto_supported" = "yes"; then
1079 CFLAGS="$CFLAGS $LTO"
1080 if test x$emacs_cv_clang = xyes; then
1081 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1082 # WARNING: 'ar --plugin ...' doesn't work without
1083 # command, so plugin name is appended to ARFLAGS.
1084 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1085 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1087 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1088 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1089 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1090 dnl dump core on Fedora 20, so play it safe for now.
1091 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1092 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1097 dnl Prefer silent make output. For verbose output, use
1098 dnl 'configure --disable-silent-rules' or 'make V=1' .
1099 AM_SILENT_RULES([yes])
1100 dnl Port to Automake 1.11.
1101 dnl This section can be removed once we assume Automake 1.14 or later.
1102 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1103 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1105 AM_SUBST_NOTMAKE([AM_V])
1106 AC_SUBST([AM_DEFAULT_V])
1107 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1108 AC_SUBST([AM_DEFAULT_VERBOSITY])
1110 dnl Some other nice autoconf tests.
1111 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1114 dnl if test "x$RANLIB" = x; then
1119 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1120 dnl can be made to directories. This is not relevant for our usage, and
1121 dnl excludes some cases that work fine for us. Eg MS Windows or files
1122 dnl hosted on AFS, both examples where simple links work, but links to
1123 dnl directories fail. We use a cut-down version instead.
1126 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1127 rm -f conf$$ conf$$.file
1129 LN_S_FILEONLY='cp -p'
1131 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1132 dnl random program in the current directory.
1133 if (echo >conf$$.file) 2>/dev/null; then
1134 if ln -s conf$$.file conf$$ 2>/dev/null; then
1135 if test "$opsys" = "mingw32"; then
1136 LN_S_FILEONLY='/bin/ln -s'
1138 LN_S_FILEONLY='ln -s'
1140 elif ln conf$$.file conf$$ 2>/dev/null; then
1141 if test "$opsys" = "mingw32"; then
1142 LN_S_FILEONLY=/bin/ln
1149 rm -f conf$$ conf$$.file
1151 if test "$LN_S_FILEONLY" = "ln -s"; then
1152 AC_MSG_RESULT([yes])
1154 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1157 AC_SUBST(LN_S_FILEONLY)
1160 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1161 dnl doesn't support links to directories, as in "ln file dir". But that
1162 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1163 dnl executables at "make install" time.
1164 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1165 dnl for more details.
1166 if test "$opsys" = "mingw32"; then
1170 dnl On some Debian versions, "install-info" prints irritating messages
1171 dnl "This is not dpkg install-info anymore, but GNU install-info"
1172 dnl if called via an absolute file name.
1173 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1174 dnl Sadly some people may have an old ginstall-info installed on
1175 dnl non-Debian systems, so we can't use this.
1176 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1177 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1179 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1180 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1181 dnl Don't use GZIP, which is used by gzip for additional parameters.
1182 AC_PATH_PROG(GZIP_PROG, gzip)
1184 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1185 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1189 if test $opsys = gnu-linux; then
1190 if test "${SETFATTR+set}" != set; then
1191 AC_CACHE_CHECK([for setfattr],
1192 [emacs_cv_prog_setfattr],
1194 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1195 emacs_cv_prog_setfattr=yes
1197 emacs_cv_prog_setfattr=no
1199 if test "$emacs_cv_prog_setfattr" = yes; then
1200 PAXCTL_notdumped='$(SETFATTR) -n user.pax.flags -v er'
1206 AC_SUBST([SETFATTR])
1209 case $opsys,$PAXCTL_notdumped in
1210 gnu-linux, | netbsd,)
1211 AC_PATH_PROG([PAXCTL], [paxctl], [],
1212 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1213 if test -n "$PAXCTL"; then
1214 if test "$opsys" = netbsd; then
1215 PAXCTL_dumped='$(PAXCTL) +a'
1216 PAXCTL_notdumped=$PAXCTL_dumped
1218 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1219 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1220 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then
1221 AC_MSG_RESULT([yes])
1226 if test -n "$PAXCTL"; then
1227 PAXCTL_dumped='$(PAXCTL) -zex'
1228 PAXCTL_notdumped='$(PAXCTL) -r'
1233 AC_SUBST([PAXCTL_dumped])
1234 AC_SUBST([PAXCTL_notdumped])
1236 ## Require makeinfo >= 4.13 (last of the 4.x series) to build the manuals.
1237 if test "$MAKEINFO" != "no"; then
1238 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1241 case `($MAKEINFO --version) 2>/dev/null` in
1242 *' (GNU texinfo) '4.1[[3-9]]* | \
1243 *' (GNU texinfo) '[[5-9]]* | \
1244 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1249 ## Makeinfo is unusual. For a released Emacs, the manuals are
1250 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1251 ## therefore in the category of "special tools" not normally required, which
1252 ## configure does not have to check for (eg autoconf itself).
1253 ## In a repository checkout on the other hand, the manuals are not included.
1254 ## So makeinfo is a requirement to build from the repository, and configure
1255 ## should test for it as it does for any other build requirement.
1256 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1257 ## with pre-built manuals, from a repository checkout.
1260 if test "$MAKEINFO" = "no"; then
1262 if test "x${with_makeinfo}" = "xno"; then
1264 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1265 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.13, and your
1266 source tree does not seem to have pre-built manuals in the 'info' directory.
1267 Either install a suitable version of makeinfo, or re-run configure
1268 with the '--without-makeinfo' option to build without the manuals.] )
1271 AC_SUBST(HAVE_MAKEINFO)
1273 if test $opsys = mingw32; then
1274 DOCMISC_W32=efaq-w32
1278 AC_SUBST(DOCMISC_W32)
1280 dnl Add our options to ac_link now, after it is set up.
1282 if test x$GCC = xyes; then
1283 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1284 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1286 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1287 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1290 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1291 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1292 dnl Treat GCC specially since it just gives a non-fatal 'unrecognized option'
1293 dnl if not built to support GNU ld.
1295 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1296 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1297 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1298 dnl Eg "make LDFLAGS=... all" could run into problems,
1299 dnl http://bugs.debian.org/684788
1300 dnl * unnecessary, since temacs is the only thing that actually needs it.
1301 dnl Indeed this is where it was originally, prior to:
1302 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1303 late_LDFLAGS="$LDFLAGS"
1304 if test x$GCC = xyes; then
1305 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1307 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1310 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1312 AC_MSG_CHECKING([for -znocombreloc])
1313 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1314 [AC_MSG_RESULT(yes)],
1315 LDFLAGS_NOCOMBRELOC=
1316 [AC_MSG_RESULT(no)])
1318 LDFLAGS="$late_LDFLAGS"
1320 AC_CACHE_CHECK([whether addresses are sanitized],
1321 [emacs_cv_sanitize_address],
1324 [[#ifndef __has_feature
1325 #define __has_feature(f) 0
1327 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1329 error "Addresses are not sanitized.";
1332 [emacs_cv_sanitize_address=yes],
1333 [emacs_cv_sanitize_address=no])])
1335 dnl The function dump-emacs will not be defined and temacs will do
1336 dnl (load "loadup") automatically unless told otherwise.
1337 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1339 nacl) CANNOT_DUMP=yes ;;
1342 if test "$CANNOT_DUMP" = "yes"; then
1343 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1344 elif test "$emacs_cv_sanitize_address" = yes; then
1345 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1348 AC_SUBST(CANNOT_DUMP)
1351 UNEXEC_OBJ=unexelf.o
1353 # MSDOS uses unexcoff.o
1355 UNEXEC_OBJ=unexaix.o
1361 UNEXEC_OBJ=unexmacosx.o
1364 UNEXEC_OBJ=unexhp9k800.o
1367 UNEXEC_OBJ=unexw32.o
1370 # Use the Solaris dldump() function, called from unexsol.c, to dump
1371 # emacs, instead of the generic ELF dump code found in unexelf.c.
1372 # The resulting binary has a complete symbol table, and is better
1373 # for debugging and other observability tools (debuggers, pstack, etc).
1375 # If you encounter a problem using dldump(), please consider sending
1376 # a message to the OpenSolaris tools-linking mailing list:
1377 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1379 # It is likely that dldump() works with older Solaris too, but this has
1380 # not been tested, so for now this change is for Solaris 10 or newer.
1381 UNEXEC_OBJ=unexsol.o
1384 test "$CANNOT_DUMP" = "yes" && UNEXEC_OBJ=
1389 ## Let 'ld' find image libs and similar things in /usr/local/lib.
1390 ## The system compiler, GCC, has apparently been modified to not
1391 ## look there, contrary to what a stock GCC would do.
1392 ### It's not our place to do this. See bug#10313#17.
1393 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1398 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1399 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1403 ### It's not our place to do this. See bug#10313#17.
1404 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1409 ## Han Boetes <han@boetes.org> says this is necessary,
1410 ## otherwise Emacs dumps core on elf systems.
1411 LD_SWITCH_SYSTEM="-Z"
1414 AC_SUBST(LD_SWITCH_SYSTEM)
1416 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1418 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1419 ## which has not been defined yet. When this was handled with cpp,
1420 ## it was expanded to null when configure sourced the s/*.h file.
1421 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1422 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1423 ## (or somesuch), but because it is supposed to go at the _front_
1424 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1425 ## Compare with the gnu-linux case below, which added to the end
1426 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1427 ## LD_SWITCH_SYSTEM_TEMACS.
1430 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1437 AC_CHECK_DECL([__ELF__])
1438 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1439 ## With ELF, make sure that all common symbols get allocated to in the
1440 ## data section. Otherwise, the dump of temacs may miss variables in
1441 ## the shared library that have been initialized. For example, with
1442 ## GNU libc, __malloc_initialized would normally be resolved to the
1443 ## shared library's .bss section, which is fatal.
1444 if test "x$GCC" = "xyes"; then
1445 C_SWITCH_MACHINE="-fno-common"
1447 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1450 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1451 dnl albeit under the mistaken assumption that said file
1452 dnl was no longer used.
1453 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1457 AC_SUBST(C_SWITCH_MACHINE)
1459 AC_SUBST(UNEXEC_OBJ)
1462 ## Some programs in src produce warnings saying certain subprograms
1463 ## are too complex and need a MAXMEM value greater than 2000 for
1464 ## additional optimization. --nils@exp-math.uni-essen.de
1465 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1466 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1467 if test "$opsys" = "mingw32"; then
1468 case "$canonical" in
1469 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1470 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1473 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1474 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1475 AC_SUBST(C_SWITCH_SYSTEM)
1480 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1481 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1483 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1485 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1487 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1489 ## Motif needs -lgen.
1490 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1493 AC_SUBST(LIBS_SYSTEM)
1495 ### Make sure subsequent tests use flags consistent with the build flags.
1497 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1498 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1500 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1503 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1504 AC_DEFUN([AC_TYPE_SIZE_T])
1505 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1506 AC_DEFUN([AC_TYPE_UID_T])
1508 # sqrt and other floating-point functions such as fmod and frexp
1509 # are found in -lm on many systems.
1511 AC_SEARCH_LIBS([sqrt], [m])
1512 if test "X$LIBS" = "X$OLD_LIBS"; then
1515 LIB_MATH=$ac_cv_search_sqrt
1519 dnl Current possibilities handled by sed (aix4-2 -> aix,
1520 dnl gnu-linux -> gnu/linux, etc.):
1521 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux.
1522 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1523 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1530 ## Adding -lm confuses the dynamic linker, so omit it.
1533 freebsd | dragonfly )
1534 SYSTEM_TYPE=berkeley-unix
1536 gnu-linux | gnu-kfreebsd )
1538 hpux10-20 | hpux11 )
1542 SYSTEM_TYPE=windows-nt
1544 dnl NB this may be adjusted below.
1546 SYSTEM_TYPE=berkeley-unix
1550 SYSTEM_TYPE=usg-unix-v
1556 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1557 [The type of system you are compiling for; sets 'system-type'.])
1560 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1561 pre_PKG_CONFIG_LIBS=$LIBS
1563 PKG_PROG_PKG_CONFIG(0.9.0)
1565 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1566 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1567 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1568 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1569 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1570 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1572 AC_DEFUN([EMACS_CHECK_MODULES],
1573 [PKG_CHECK_MODULES([$1], [$2],
1574 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1575 m4_default([$3], [HAVE_$1=yes])],
1576 [m4_default([$4], [HAVE_$1=no])])])
1579 if test "${with_sound}" != "no"; then
1580 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1581 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1582 have_sound_header=yes, [], [
1584 #define WIN32_LEAN_AND_MEAN
1585 #include <windows.h>
1588 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1589 AC_MSG_ERROR([OSS sound support requested but not found.])
1591 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1592 # Emulation library used on NetBSD.
1593 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1594 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1595 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1596 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1597 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1601 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1603 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1604 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1605 if test $HAVE_ALSA = yes; then
1606 SAVE_CFLAGS="$CFLAGS"
1608 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1609 LIBS="$ALSA_LIBS $LIBS"
1610 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1611 emacs_alsa_normal=yes,
1612 emacs_alsa_normal=no)
1613 if test "$emacs_alsa_normal" != yes; then
1614 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1615 [[snd_lib_error_set_handler (0);]])],
1616 emacs_alsa_subdir=yes,
1617 emacs_alsa_subdir=no)
1618 if test "$emacs_alsa_subdir" != yes; then
1619 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1621 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1624 CFLAGS="$SAVE_CFLAGS"
1626 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1627 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1628 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1629 elif test "${with_sound}" = "alsa"; then
1630 AC_MSG_ERROR([ALSA sound support requested but not found.])
1632 fi dnl with_sound = alsa|yes
1634 dnl Define HAVE_SOUND if we have sound support. We know it works and
1635 dnl compiles only on the specified platforms. For others, it
1636 dnl probably doesn't make sense to try.
1637 dnl FIXME So surely we should bypass this whole section if not using
1638 dnl one of these platforms?
1639 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1641 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1642 dnl Adjust the --with-sound help text if you change this.
1643 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1644 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1650 AC_SUBST(CFLAGS_SOUND)
1653 dnl checks for header files
1654 AC_CHECK_HEADERS_ONCE(
1661 sys/utsname.h pwd.h utmp.h util.h sys/prctl.h)
1663 AC_CACHE_CHECK([for ADDR_NO_RANDOMIZE],
1664 [emacs_cv_personality_addr_no_randomize],
1666 [AC_LANG_PROGRAM([[#include <sys/personality.h>]],
1667 [[personality (personality (0xffffffff)
1668 | ADDR_NO_RANDOMIZE)]])],
1669 [emacs_cv_personality_addr_no_randomize=yes],
1670 [emacs_cv_personality_addr_no_randomize=no])])
1671 if test $emacs_cv_personality_addr_no_randomize = yes; then
1672 AC_DEFINE([HAVE_PERSONALITY_ADDR_NO_RANDOMIZE], [1],
1673 [Define to 1 if personality flag ADDR_NO_RANDOMIZE exists.])
1676 # Note that Solaris has sys/sysinfo.h which defines struct
1677 # sysinfo as well. To make sure that we're using GNU/Linux
1678 # sysinfo, we explicitly set one of its fields.
1679 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1680 AC_MSG_CHECKING([if Linux sysinfo may be used])
1681 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1682 [[struct sysinfo si;
1685 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1686 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1687 if test $emacs_cv_linux_sysinfo = yes; then
1688 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1689 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1690 [[struct sysinfo si; return si.mem_unit]])],
1691 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1692 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1696 dnl On Solaris 8 there's a compilation warning for term.h because
1697 dnl it doesn't define 'bool'.
1698 AC_CHECK_HEADERS(term.h, , , -)
1700 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1702 if test $ac_cv_have_decl_sys_siglist != yes; then
1703 # For Tru64, at least:
1704 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1709 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1710 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1711 #if HAVE_SYS_SOCKET_H
1712 #include <sys/socket.h>
1714 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1715 #if HAVE_SYS_SOCKET_H
1716 #include <sys/socket.h>
1718 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1719 #if HAVE_SYS_SOCKET_H
1720 #include <sys/socket.h>
1723 dnl checks for structure members
1724 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1725 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1726 struct ifreq.ifr_addr,
1727 struct ifreq.ifr_addr.sa_len], , ,
1728 [AC_INCLUDES_DEFAULT
1729 #if HAVE_SYS_SOCKET_H
1730 #include <sys/socket.h>
1736 dnl Check for endianness.
1737 dnl AC_C_BIGENDIAN is done by gnulib.
1739 dnl check for Make feature
1742 dnl check if we have GCC and autodepend is on.
1743 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1744 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1745 SAVE_CFLAGS="$CFLAGS"
1746 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1747 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1748 CFLAGS="$SAVE_CFLAGS"
1749 test -f deps.d || ac_enable_autodepend=no
1751 AC_MSG_RESULT([$ac_enable_autodepend])
1752 if test $ac_enable_autodepend = yes; then
1756 AC_SUBST(AUTO_DEPEND)
1758 dnl checks for operating system services
1759 AC_SYS_LONG_FILE_NAMES
1761 #### Choose a window system.
1763 ## We leave window_system equal to none if
1764 ## we end up building without one. Any new window system should
1765 ## set window_system to an appropriate value and add objects to
1766 ## window-system-specific substs.
1770 if test "$no_x" != yes; then
1774 LD_SWITCH_X_SITE_RPATH=
1775 if test "${x_libraries}" != NONE; then
1776 if test -n "${x_libraries}"; then
1777 LD_SWITCH_X_SITE=-L`AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -L/g'`
1778 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`
1779 AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -Wl,-rpath,/g'
1782 x_default_search_path=""
1783 x_search_path=${x_libraries}
1784 if test -z "${x_search_path}"; then
1785 x_search_path=/usr/lib
1787 for x_library in `AS_ECHO(["$x_search_path:"]) | \
1788 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1790 ${x_library}/X11/%L/%T/%N%C%S:\
1791 ${x_library}/X11/%l/%T/%N%C%S:\
1792 ${x_library}/X11/%T/%N%C%S:\
1793 ${x_library}/X11/%L/%T/%N%S:\
1794 ${x_library}/X11/%l/%T/%N%S:\
1795 ${x_library}/X11/%T/%N%S"
1796 if test x"${x_default_search_path}" = x; then
1797 x_default_search_path=${x_search_path}
1799 x_default_search_path="${x_search_path}:${x_default_search_path}"
1803 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1805 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1806 C_SWITCH_X_SITE=$isystem`AS_ECHO(["$x_includes"]) | sed -e "s/:/ $isystem/g"`
1809 if test x"${x_includes}" = x; then
1810 bitmapdir=/usr/include/X11/bitmaps
1812 # accumulate include directories that have X11 bitmap subdirectories
1814 for bmd in `AS_ECHO(["$x_includes"]) | sed -e 's/:/ /g'`; do
1815 if test -d "${bmd}/X11/bitmaps"; then
1816 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1818 if test -d "${bmd}/bitmaps"; then
1819 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1822 bitmapdir=${bmd_acc#:}
1825 test "${with_ns}" = maybe && test "${opsys}" != darwin && with_ns=no
1827 NS_GNUSTEP_CONFIG=no
1830 tmp_CPPFLAGS="$CPPFLAGS"
1831 tmp_CFLAGS="$CFLAGS"
1832 CPPFLAGS="$CPPFLAGS -x objective-c"
1833 CFLAGS="$CFLAGS -x objective-c"
1836 if test "${with_ns}" != no; then
1837 if test "${opsys}" = darwin; then
1839 ns_appdir=`pwd`/nextstep/Emacs.app
1840 ns_appbindir=${ns_appdir}/Contents/MacOS
1841 ns_appresdir=${ns_appdir}/Contents/Resources
1842 ns_appsrc=Cocoa/Emacs.base
1843 ns_fontfile=macfont.o
1844 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1846 NS_GNUSTEP_CONFIG=yes
1847 GNU_OBJC_CFLAGS=$flags
1848 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1849 elif test -f $GNUSTEP_CONFIG_FILE; then
1851 dnl FIXME sourcing this several times in subshells seems inefficient.
1852 GNUSTEP_SYSTEM_HEADERS=$(
1853 . $GNUSTEP_CONFIG_FILE
1854 AS_ECHO(["$GNUSTEP_SYSTEM_HEADERS"])
1856 GNUSTEP_SYSTEM_LIBRARIES=$(
1857 . $GNUSTEP_CONFIG_FILE
1858 AS_ECHO(["$GNUSTEP_SYSTEM_LIBRARIES"])
1860 dnl I seemed to need these as well with GNUstep-startup 0.25.
1861 GNUSTEP_LOCAL_HEADERS=$(
1862 . $GNUSTEP_CONFIG_FILE
1863 AS_ECHO(["$GNUSTEP_LOCAL_HEADERS"])
1865 GNUSTEP_LOCAL_LIBRARIES=$(
1866 . $GNUSTEP_CONFIG_FILE
1867 AS_ECHO(["$GNUSTEP_LOCAL_LIBRARIES"])
1869 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1870 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1871 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1872 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1873 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1874 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1875 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1876 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1877 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1878 dnl If they had chosen to either define it or not, we could have
1879 dnl just used AC_CHECK_DECL here.
1880 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1881 emacs_cv_objc_exceptions,
1882 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1883 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1887 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1888 if test $emacs_cv_objc_exceptions = yes; then
1889 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1890 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1891 [Define if GNUstep uses ObjC exceptions.])
1892 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1895 if test $NS_IMPL_GNUSTEP = yes; then
1896 ns_appdir=`pwd`/nextstep/Emacs.app
1897 ns_appbindir=${ns_appdir}
1898 ns_appresdir=${ns_appdir}/Resources
1899 ns_appsrc=GNUstep/Emacs.base
1900 ns_fontfile=nsfont.o
1903 dnl This is only used while we test the NS headers, it gets reset below.
1904 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1905 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1907 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1908 [AC_MSG_ERROR([The include files (AppKit/AppKit.h etc) that
1909 are required for a Nextstep build are missing or cannot be compiled.
1910 Either fix this, or re-configure with the option '--without-ns'.])])
1913 if test "${NS_IMPL_COCOA}" = "yes"; then
1914 AC_MSG_CHECKING([for Mac OS X 10.6 or newer])
1915 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1917 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1918 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1921 error "Mac OS X 10.6 or newer required";
1925 ns_osx_have_106=yes,
1927 AC_MSG_RESULT([$ns_osx_have_106])
1929 if test $ns_osx_have_106 = no; then
1930 AC_MSG_ERROR([Mac OS X 10.6 or newer is required]);
1935 AC_SUBST(LIBS_GNUSTEP)
1937 INSTALL_ARCH_INDEP_EXTRA=install-etc
1938 ns_self_contained=no
1941 if test "${HAVE_NS}" = yes; then
1942 if test "$with_toolkit_scroll_bars" = "no"; then
1943 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1946 window_system=nextstep
1947 # set up packaging dirs
1948 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1949 ns_self_contained=yes
1950 prefix=${ns_appresdir}
1951 exec_prefix=${ns_appbindir}
1952 dnl This one isn't really used, only archlibdir is.
1953 libexecdir="\${ns_appbindir}/libexec"
1954 archlibdir="\${ns_appbindir}/libexec"
1955 etcdocdir="\${ns_appresdir}/etc"
1956 etcdir="\${ns_appresdir}/etc"
1957 dnl FIXME maybe set datarootdir instead.
1958 dnl That would also get applications, icons, man.
1959 infodir="\${ns_appresdir}/info"
1960 mandir="\${ns_appresdir}/man"
1961 lispdir="\${ns_appresdir}/lisp"
1962 test "$locallisppathset" = no && locallisppath=""
1963 INSTALL_ARCH_INDEP_EXTRA=
1966 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1968 CFLAGS="$tmp_CFLAGS"
1969 CPPFLAGS="$tmp_CPPFLAGS"
1970 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1971 AC_SUBST(ns_self_contained)
1973 AC_SUBST(NS_OBJC_OBJ)
1984 if test "${with_w32}" != no; then
1987 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1988 [AC_MSG_ERROR(['--with-w32' was specified, but windows.h
1989 cannot be found.])])
1992 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1995 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
2000 if test "${opsys}" = "mingw32"; then
2001 AC_MSG_CHECKING([whether Windows API headers are recent enough])
2002 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2003 #include <windows.h>
2004 #include <usp10.h>]],
2005 [[PIMAGE_NT_HEADERS pHeader;
2006 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
2007 [emacs_cv_w32api=yes
2010 AC_MSG_RESULT($emacs_cv_w32api)
2011 if test "${emacs_cv_w32api}" = "no"; then
2012 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
2023 if test "${HAVE_W32}" = "yes"; then
2024 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
2025 if test "$with_toolkit_scroll_bars" = "no"; then
2026 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
2028 AC_CHECK_TOOL(WINDRES, [windres],
2029 [AC_MSG_ERROR([No resource compiler found.])])
2030 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
2031 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
2032 EMACSRES="emacs.res"
2033 case "$canonical" in
2034 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
2035 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
2037 dnl Construct something of the form "24,4,0,0" with 4 components.
2038 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
2040 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
2041 AC_SUBST(comma_version)
2042 AC_SUBST(comma_space_version)
2043 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
2044 if test "${opsys}" = "cygwin"; then
2045 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
2046 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
2047 # Tell the linker that emacs.res is an object (which we compile from
2048 # the rc file), not a linker script.
2049 W32_RES_LINK="-Wl,emacs.res"
2051 UPDATE_MANIFEST=update-game-score.exe.manifest
2052 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
2053 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
2054 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
2055 W32_RES_LINK="\$(EMACSRES)"
2056 CLIENTRES="emacsclient.res"
2057 CLIENTW="emacsclientw\$(EXEEXT)"
2058 FIRSTFILE_OBJ=firstfile.o
2061 LIBS_ECLIENT="-lcomctl32"
2062 LIB_WSOCK32="-lwsock32"
2063 NTLIB="ntlib.$ac_objext"
2064 XARGS_LIMIT="-s 10000"
2070 AC_SUBST(EMACS_MANIFEST)
2071 AC_SUBST(UPDATE_MANIFEST)
2074 AC_SUBST(W32_RES_LINK)
2075 AC_SUBST(FIRSTFILE_OBJ)
2078 AC_SUBST(LIBS_ECLIENT)
2079 AC_SUBST(LIB_WSOCK32)
2081 AC_SUBST(XARGS_LIMIT)
2083 if test "${HAVE_W32}" = "yes"; then
2088 ## $window_system is now set to the window system we will
2096 case "${window_system}" in
2101 case "${with_x_toolkit}" in
2102 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2103 motif ) USE_X_TOOLKIT=MOTIF ;;
2105 term_header=gtkutil.h
2106 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2107 dnl USE_X_TOOLKIT is set.
2108 USE_X_TOOLKIT=none ;;
2109 gtk2 ) with_gtk2=yes
2110 term_header=gtkutil.h
2111 USE_X_TOOLKIT=none ;;
2112 gtk3 ) with_gtk3=yes
2113 term_header=gtkutil.h
2114 USE_X_TOOLKIT=none ;;
2115 no ) USE_X_TOOLKIT=none ;;
2116 dnl If user did not say whether to use a toolkit, make this decision later:
2117 dnl use the toolkit if we have gtk, or X11R5 or newer.
2118 * ) USE_X_TOOLKIT=maybe ;;
2122 term_header=nsterm.h
2125 term_header=w32term.h
2129 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2130 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2131 if test "$HAVE_XSERVER" = true ||
2132 test -n "$DISPLAY" ||
2134 for emacs_libX11 in /usr/lib/libX11.*; do break; done
2135 test "$emacs_libX11" != '/usr/lib/libX11.*'
2138 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2139 were found. You should install the relevant development files for X
2140 and for the toolkit you want, such as Gtk+ or Motif. Also make
2141 sure you have development files for image handling, i.e.
2142 tiff, gif, jpeg, png and xpm.
2143 If you are sure you want Emacs compiled without X window support, pass
2149 # Does the opsystem file prohibit the use of the GNU malloc?
2150 # Assume not, until told otherwise.
2154 [whether malloc is Doug Lea style],
2155 [emacs_cv_var_doug_lea_malloc],
2156 [emacs_cv_var_doug_lea_malloc=no
2157 dnl Hooks do not work with address sanitization.
2158 if test "$emacs_cv_sanitize_address" != yes; then
2161 [[#include <malloc.h>
2162 static void hook (void) {}]],
2163 [[malloc_set_state (malloc_get_state ());
2164 __after_morecore_hook = hook;
2165 __malloc_initialize_hook = hook;]])],
2166 [emacs_cv_var_doug_lea_malloc=yes])
2168 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2173 test "$CANNOT_DUMP" = yes ||
2175 ## darwin ld insists on the use of malloc routines in the System framework.
2176 darwin | mingw32 | nacl | sol2-10) ;;
2177 cygwin) hybrid_malloc=yes
2179 *) test "$ac_cv_func_sbrk" = yes && system_malloc=$emacs_cv_sanitize_address;;
2182 if test "${system_malloc}" != yes && test "${doug_lea_malloc}" != yes \
2183 && test "${UNEXEC_OBJ}" = unexelf.o; then
2189 if test "${system_malloc}" = "yes"; then
2190 AC_DEFINE([SYSTEM_MALLOC], 1,
2191 [Define to 1 to use the system memory allocator, even if it is not
2195 (The GNU allocators don't work with this system configuration.)"
2197 elif test "$hybrid_malloc" = yes; then
2198 AC_DEFINE(HYBRID_MALLOC, 1,
2199 [Define to use gmalloc before dumping and the system malloc after.])
2202 GNU_MALLOC_reason=" (only before dumping)"
2203 GMALLOC_OBJ=gmalloc.o
2206 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2207 VMLIMIT_OBJ=vm-limit.o
2209 AC_CHECK_HEADERS([sys/vlimit.h])
2210 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2213 [[extern char data_start[]; char ch;]],
2214 [[return data_start < &ch;]])],
2215 [emacs_cv_data_start=yes],
2216 [emacs_cv_data_start=no])])
2217 if test $emacs_cv_data_start = yes; then
2218 AC_DEFINE([HAVE_DATA_START], 1,
2219 [Define to 1 if data_start is the address of the start
2220 of the main data segment.])
2223 AC_SUBST([HYBRID_MALLOC])
2224 AM_CONDITIONAL([HYBRID_MALLOC_LIB], [test -n "$HYBRID_MALLOC"])
2225 AC_SUBST(GMALLOC_OBJ)
2226 AC_SUBST(VMLIMIT_OBJ)
2228 if test "$doug_lea_malloc" = "yes" && test "$hybrid_malloc" != yes; then
2229 if test "$GNU_MALLOC" = yes ; then
2231 (Using Doug Lea's new malloc from the GNU C Library.)"
2233 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2234 [Define to 1 if the system memory allocator is Doug Lea style,
2235 with malloc hooks and malloc_set_state.])
2237 ## Use mmap directly for allocating larger buffers.
2238 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2239 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2240 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2242 mingw32|gnu*) REL_ALLOC=no ;;
2246 if test x"${REL_ALLOC}" = x; then
2247 REL_ALLOC=${GNU_MALLOC}
2250 use_mmap_for_buffers=no
2252 mingw32) use_mmap_for_buffers=yes ;;
2256 if test $use_mmap_for_buffers = yes; then
2257 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2261 LIBS="$LIBS_SYSTEM $LIBS"
2263 dnl FIXME replace main with a function we actually want from this library.
2264 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2266 dnl Check for the POSIX thread library.
2268 AC_CHECK_HEADERS_ONCE(pthread.h)
2269 if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then
2270 AC_CACHE_CHECK([for pthread library],
2271 [emacs_cv_pthread_lib],
2272 [emacs_cv_pthread_lib=no
2274 for emacs_pthread_lib in 'none needed' -lpthread; do
2275 case $emacs_pthread_lib in
2276 -*) LIBS="$OLD_LIBS $emacs_pthread_lib";;
2280 [[#include <pthread.h>
2282 sigset_t old_mask, new_mask;
2283 void noop (void) {}]],
2284 [[pthread_t th = pthread_self ();
2286 status += pthread_create (&th, 0, 0, 0);
2287 status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask);
2288 status += pthread_kill (th, 0);
2289 #if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \
2290 || defined DOUG_LEA_MALLOC)
2291 /* Test for pthread_atfork only if gmalloc uses it,
2292 as older-style hosts like MirBSD 10 lack it. */
2293 status += pthread_atfork (noop, noop, noop);
2296 [emacs_cv_pthread_lib=$emacs_pthread_lib])
2298 if test "$emacs_cv_pthread_lib" != no; then
2302 if test "$emacs_cv_pthread_lib" != no; then
2303 AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.])
2304 case $emacs_cv_pthread_lib in
2305 -*) LIB_PTHREAD=$emacs_cv_pthread_lib;;
2307 ac_cv_func_pthread_sigmask=yes
2308 # Some systems optimize for single-threaded programs by default, and
2309 # need special flags to disable these optimizations. For example, the
2310 # definition of 'errno' in <errno.h>.
2313 AC_DEFINE([_REENTRANT], 1,
2314 [Define to 1 if your system requires this in multithreaded code.]);;
2316 AC_DEFINE([_THREAD_SAFE], 1,
2317 [Define to 1 if your system requires this in multithreaded code.]);;
2321 AC_SUBST([LIB_PTHREAD])
2323 AC_MSG_CHECKING([for thread support])
2325 if test "$with_threads" = yes; then
2326 if test "$emacs_cv_pthread_lib" != no; then
2327 AC_DEFINE(THREADS_ENABLED, 1,
2328 [Define to 1 if you want elisp thread support.])
2330 elif test "${opsys}" = "mingw32"; then
2331 dnl MinGW can do native Windows threads even without pthreads
2332 AC_DEFINE(THREADS_ENABLED, 1,
2333 [Define to 1 if you want elisp thread support.])
2337 AC_MSG_RESULT([$threads_enabled])
2339 dnl Check for need for bigtoc support on IBM AIX
2343 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2345 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2346 *) gdb_cv_bigtoc=-bbigtoc ;;
2349 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2350 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2355 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2356 # is for the tests that follow. We set them back later on.
2358 REAL_CFLAGS="$CFLAGS"
2359 REAL_CPPFLAGS="$CPPFLAGS"
2362 if test "${HAVE_X11}" = "yes"; then
2363 DEFS="$C_SWITCH_X_SITE $DEFS"
2364 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2366 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2367 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2369 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2370 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2371 # but it's more convenient here to set LD_RUN_PATH since this
2372 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2373 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2374 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2378 if test "${opsys}" = "gnu-linux"; then
2379 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2380 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2381 [[XOpenDisplay ("foo");]])],
2382 [xgnu_linux_first_failure=no],
2383 [xgnu_linux_first_failure=yes])
2384 if test "${xgnu_linux_first_failure}" = "yes"; then
2385 OLD_CPPFLAGS="$CPPFLAGS"
2387 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2388 LIBS="$LIBS -b i486-linuxaout"
2389 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2390 [[XOpenDisplay ("foo");]])],
2391 [xgnu_linux_second_failure=no],
2392 [xgnu_linux_second_failure=yes])
2393 if test "${xgnu_linux_second_failure}" = "yes"; then
2394 # If we get the same failure with -b, there is no use adding -b.
2395 # So leave it out. This plays safe.
2398 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2399 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2402 CPPFLAGS=$OLD_CPPFLAGS
2409 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2410 # header files included from there.
2411 AC_MSG_CHECKING(for Xkb)
2412 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2413 #include <X11/XKBlib.h>]],
2414 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2415 emacs_xkb=yes, emacs_xkb=no)
2416 AC_MSG_RESULT($emacs_xkb)
2417 if test $emacs_xkb = yes; then
2418 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2421 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2422 XScreenNumberOfScreen)
2425 if test "${window_system}" = "x11"; then
2426 AC_MSG_CHECKING(X11 version 6)
2427 AC_CACHE_VAL(emacs_cv_x11_version_6,
2428 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2429 [[#if XlibSpecificationRelease < 6
2432 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2433 if test $emacs_cv_x11_version_6 = yes; then
2434 AC_MSG_RESULT(6 or newer)
2435 AC_DEFINE(HAVE_X11R6, 1,
2436 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2437 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2438 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2442 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2443 [Define if you have usable X11R6-style XIM support.])
2447 AC_MSG_RESULT(before 6)
2452 ### Use -lrsvg-2 if available, unless '--with-rsvg=no' is specified.
2454 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2455 if test "${with_rsvg}" != "no"; then
2456 RSVG_REQUIRED=2.11.0
2457 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2459 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2460 AC_SUBST(RSVG_CFLAGS)
2463 if test $HAVE_RSVG = yes; then
2464 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2465 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2466 # Windows loads librsvg dynamically
2467 if test "${opsys}" = "mingw32"; then
2475 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2476 if test "${with_imagemagick}" != "no"; then
2477 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2478 ## 6.8.2 makes Emacs crash; see Bug#13867.
2479 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2480 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2481 AC_SUBST(IMAGEMAGICK_CFLAGS)
2482 AC_SUBST(IMAGEMAGICK_LIBS)
2484 if test $HAVE_IMAGEMAGICK = yes; then
2485 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2488 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2489 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2490 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers MagickAutoOrientImage)
2497 AC_CHECK_LIB(anl, getaddrinfo_a, HAVE_GETADDRINFO_A=yes)
2498 if test "${HAVE_GETADDRINFO_A}" = "yes"; then
2499 AC_DEFINE(HAVE_GETADDRINFO_A, 1,
2500 [Define to 1 if you have getaddrinfo_a for asynchronous DNS resolution.])
2501 GETADDRINFO_A_LIBS="-lanl"
2502 AC_SUBST(GETADDRINFO_A_LIBS)
2507 gtk_term_header=$term_header
2510 if test "${opsys}" != "mingw32"; then
2511 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2514 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2516 dnl Checks for libraries.
2517 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2518 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2519 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2520 AC_MSG_ERROR($GTK_PKG_ERRORS)
2522 if test "$pkg_check_gtk" = "yes"; then
2523 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2524 GTK_OBJ=emacsgtkfixed.o
2525 gtk_term_header=gtkutil.h
2526 USE_GTK_TOOLKIT="GTK3"
2527 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2528 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2529 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2530 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2531 [Define to 1 to disable Glib deprecation warnings.])
2535 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2539 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2542 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2544 dnl Checks for libraries.
2545 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2546 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2547 if test "$pkg_check_gtk" = "no" &&
2548 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2550 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2552 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2559 if test x"$pkg_check_gtk" = xyes; then
2562 CFLAGS="$CFLAGS $GTK_CFLAGS"
2563 LIBS="$GTK_LIBS $LIBS"
2564 dnl Try to compile a simple GTK program.
2565 AC_MSG_CHECKING([whether GTK compiles])
2569 [[/* Check the Gtk and Glib APIs. */
2570 #include <gtk/gtk.h>
2571 #include <glib-object.h>
2573 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2577 GtkSettings *gs = 0;
2578 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2579 strict C prohibits this. Use gtk_main_iteration to test that the
2580 libraries are there. */
2581 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2582 0, 0, 0, G_CALLBACK (callback), 0))
2583 gtk_main_iteration ();
2586 AC_MSG_RESULT([$GTK_COMPILES])
2587 if test "${GTK_COMPILES}" != "yes"; then
2589 if test "$USE_X_TOOLKIT" != "maybe"; then
2590 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2593 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2595 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2596 GTK_OBJ="gtkutil.o $GTK_OBJ"
2597 term_header=$gtk_term_header
2599 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2600 closing open displays. This is no problem if you just use
2601 one display, but if you use more than one and close one of them
2603 See http://bugzilla.gnome.org/show_bug.cgi?id=85715]])
2611 if test "${HAVE_GTK}" = "yes"; then
2613 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2614 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2615 if test "$with_toolkit_scroll_bars" != no; then
2616 with_toolkit_scroll_bars=yes
2619 dnl Check if we have the old file selection dialog declared and
2620 dnl in the link library. In 2.x it may be in the library,
2621 dnl but not declared if deprecated featured has been selected out.
2622 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2623 HAVE_GTK_FILE_SELECTION=no
2624 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2625 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2626 #include <gtk/gtk.h>])
2627 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2628 AC_CHECK_FUNCS(gtk_file_selection_new)
2631 dnl Same as above for gtk_handle_box.
2632 HAVE_GTK_HANDLE_BOX=no
2633 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2634 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2635 #include <gtk/gtk.h>])
2636 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2637 AC_CHECK_FUNCS(gtk_handle_box_new)
2640 dnl Same as above for gtk_tearoff_menu_item.
2641 HAVE_GTK_TEAROFF_MENU_ITEM=no
2642 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2643 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2644 #include <gtk/gtk.h>])
2645 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2646 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2649 dnl Check for functions introduced in 2.14 and later.
2650 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2651 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2652 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2653 gtk_orientable_set_orientation \
2654 gtk_window_set_has_resize_grip)
2656 term_header=gtkutil.h
2660 dnl Enable xwidgets if GTK3 and WebKitGTK+ are available.
2663 if test "$with_xwidgets" != "no"; then
2664 test "$USE_GTK_TOOLKIT" = "GTK3" && test "$window_system" != "none" ||
2665 AC_MSG_ERROR([xwidgets requested but gtk3 not used.])
2667 WEBKIT_REQUIRED=2.12
2668 WEBKIT_MODULES="webkit2gtk-4.0 >= $WEBKIT_REQUIRED"
2669 EMACS_CHECK_MODULES([WEBKIT], [$WEBKIT_MODULES])
2670 HAVE_XWIDGETS=$HAVE_WEBKIT
2671 test $HAVE_XWIDGETS = yes ||
2672 AC_MSG_ERROR([xwidgets requested but WebKitGTK+ not found.])
2674 XWIDGETS_OBJ=xwidget.o
2675 AC_DEFINE([HAVE_XWIDGETS], 1, [Define to 1 if you have xwidgets support.])
2677 AC_SUBST(XWIDGETS_OBJ)
2682 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2683 dnl other platforms.
2686 if test "${with_dbus}" = "yes"; then
2687 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2688 if test "$HAVE_DBUS" = yes; then
2689 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2690 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2691 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2694 LIBS="$LIBS $DBUS_LIBS"
2695 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2696 dbus_type_is_valid \
2697 dbus_validate_bus_name \
2698 dbus_validate_path \
2699 dbus_validate_interface \
2700 dbus_validate_member)
2705 AC_SUBST(DBUS_CFLAGS)
2709 dnl GSettings has been tested under GNU/Linux only.
2711 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2712 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2713 if test "$HAVE_GSETTINGS" = "yes"; then
2715 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2717 LIBS="$LIBS $GSETTINGS_LIBS"
2718 AC_MSG_CHECKING([whether GSettings is in gio])
2721 [[/* Check that gsettings really is present. */
2722 #include <glib-object.h>
2723 #include <gio/gio.h>
2726 GSettings *settings;
2727 GVariant *val = g_settings_get_value (settings, "");
2729 [], HAVE_GSETTINGS=no)
2730 AC_MSG_RESULT([$HAVE_GSETTINGS])
2732 if test "$HAVE_GSETTINGS" = "yes"; then
2733 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2734 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2735 SETTINGS_LIBS="$GSETTINGS_LIBS"
2742 dnl GConf has been tested under GNU/Linux only.
2743 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2745 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2746 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2747 if test "$HAVE_GCONF" = yes; then
2748 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2749 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2750 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2751 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2755 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2756 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2757 if test "$HAVE_GOBJECT" = "yes"; then
2758 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2759 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2761 SAVE_CFLAGS="$CFLAGS"
2763 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2764 LIBS="$SETTINGS_LIBS $LIBS"
2765 CFLAGS="$SAVE_CFLAGS"
2768 AC_SUBST(SETTINGS_CFLAGS)
2769 AC_SUBST(SETTINGS_LIBS)
2772 dnl SELinux is available for GNU/Linux only.
2775 if test "${with_selinux}" = "yes"; then
2776 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2777 if test "$HAVE_LIBSELINUX" = yes; then
2778 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2779 LIBSELINUX_LIBS=-lselinux
2782 AC_SUBST(LIBSELINUX_LIBS)
2785 if test "${with_gnutls}" = "yes" ; then
2786 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.12.2],
2787 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2788 if test "${HAVE_GNUTLS}" = "yes"; then
2789 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2790 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2791 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2794 # Windows loads GnuTLS dynamically
2795 if test "${opsys}" = "mingw32"; then
2800 AC_SUBST(LIBGNUTLS_LIBS)
2801 AC_SUBST(LIBGNUTLS_CFLAGS)
2804 if test "${with_libsystemd}" = "yes" ; then
2805 dnl This code has been tested with libsystemd 222 and later.
2806 dnl FIXME: Find the earliest version number for which Emacs should work,
2807 dnl and change '222' to that number.
2808 EMACS_CHECK_MODULES([LIBSYSTEMD], [libsystemd >= 222],
2809 [HAVE_LIBSYSTEMD=yes], [HAVE_LIBSYSTEMD=no])
2810 if test "${HAVE_LIBSYSTEMD}" = "yes"; then
2811 AC_DEFINE(HAVE_LIBSYSTEMD, 1, [Define if using libsystemd.])
2815 AC_SUBST(LIBSYSTEMD_LIBS)
2816 AC_SUBST(LIBSYSTEMD_CFLAGS)
2821 dnl MS Windows native file monitor is available for mingw32 only.
2822 case $with_file_notification,$opsys in
2824 AC_MSG_ERROR(['--with-file-notification=w32' was specified, but
2825 this is only supported on MS-Windows native and MinGW32 builds.
2826 Consider using gfile instead.])
2828 w32,* | yes,mingw32)
2829 AC_CHECK_HEADER(windows.h)
2830 if test "$ac_cv_header_windows_h" = yes ; then
2831 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2832 NOTIFY_OBJ=w32notify.o
2833 NOTIFY_SUMMARY="yes (w32)"
2837 dnl inotify is available only on GNU/Linux.
2838 case $with_file_notification,$NOTIFY_OBJ in
2840 AC_CHECK_HEADER(sys/inotify.h)
2841 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2842 AC_CHECK_FUNC(inotify_init1)
2843 if test "$ac_cv_func_inotify_init1" = yes; then
2844 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2845 NOTIFY_OBJ=inotify.o
2846 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2851 dnl kqueue is available on BSD-like systems.
2852 case $with_file_notification,$NOTIFY_OBJ in
2854 EMACS_CHECK_MODULES([KQUEUE], [libkqueue])
2855 if test "$HAVE_KQUEUE" = "yes"; then
2856 AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
2857 CPPFLAGS="$CPPFLAGS -I/usr/include/kqueue"
2858 NOTIFY_CFLAGS=$KQUEUE_CFLAGS
2859 NOTIFY_LIBS=$KQUEUE_LIBS
2861 NOTIFY_SUMMARY="yes -lkqueue"
2863 AC_SEARCH_LIBS(kqueue, [])
2864 if test "$ac_cv_search_kqueue" != no; then
2865 AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
2867 NOTIFY_SUMMARY="yes (kqueue)"
2872 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2873 dnl has been added in glib 2.24. It has been tested under
2875 case $with_file_notification,$NOTIFY_OBJ in
2877 if test "${HAVE_NS}" = yes; then
2878 AC_MSG_ERROR(['--with-file-notification=gfile' is not supported in NextStep builds.
2879 Consider kqueue instead.])
2881 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2882 if test "$HAVE_GFILENOTIFY" = "yes"; then
2883 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2884 NOTIFY_CFLAGS=$GFILENOTIFY_CFLAGS
2885 NOTIFY_LIBS=$GFILENOTIFY_LIBS
2886 NOTIFY_OBJ=gfilenotify.o
2887 NOTIFY_SUMMARY="yes -lgio (gfile)"
2892 case $with_file_notification,$NOTIFY_OBJ in
2893 yes,* | no,* | *,?*) ;;
2894 *) AC_MSG_ERROR([File notification '$with_file_notification' requested but requirements not found.]) ;;
2897 if test -n "$NOTIFY_OBJ"; then
2898 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2900 AC_SUBST(NOTIFY_CFLAGS)
2901 AC_SUBST(NOTIFY_LIBS)
2902 AC_SUBST(NOTIFY_OBJ)
2904 dnl Do not put whitespace before the #include statements below.
2905 dnl Older compilers (eg sunos4 cc) choke on it.
2908 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2909 if test "$with_xaw3d" != no; then
2910 AC_CACHE_VAL(emacs_cv_xaw3d,
2911 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2912 #include <X11/Intrinsic.h>
2913 #include <X11/Xaw3d/Simple.h>]],
2915 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2916 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2917 emacs_cv_xaw3d=no)])
2921 if test $emacs_cv_xaw3d = yes; then
2922 AC_MSG_CHECKING(for xaw3d)
2923 AC_MSG_RESULT([yes; using Lucid toolkit])
2927 AC_DEFINE(HAVE_XAW3D, 1,
2928 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2930 AC_MSG_CHECKING(for xaw3d)
2932 AC_MSG_CHECKING(for libXaw)
2933 AC_CACHE_VAL(emacs_cv_xaw,
2934 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2935 #include <X11/Intrinsic.h>
2936 #include <X11/Xaw/Simple.h>]],
2940 if test $emacs_cv_xaw = yes; then
2941 AC_MSG_RESULT([yes; using Lucid toolkit])
2944 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2945 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2947 AC_MSG_ERROR([No X toolkit could be found.
2948 If you are sure you want Emacs compiled without an X toolkit, pass
2950 to configure. Otherwise, install the development libraries for the toolkit
2951 that you want to use (e.g. Gtk+) and re-run configure.])
2956 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2960 if test "${USE_X_TOOLKIT}" != "none"; then
2961 AC_MSG_CHECKING(X11 toolkit version)
2962 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2963 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2964 [[#if XtSpecificationRelease < 6
2967 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2968 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2969 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2970 AC_MSG_RESULT(6 or newer)
2971 AC_DEFINE(HAVE_X11XTR6, 1,
2972 [Define to 1 if you have the X11R6 or newer version of Xt.])
2973 LIBXTR6="-lSM -lICE"
2975 ## Use libw.a along with X11R6 Xt.
2976 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2979 AC_MSG_RESULT(before 6)
2982 dnl If using toolkit, check whether libXmu.a exists.
2983 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2985 if test x$HAVE_X11XTR6 = xyes; then
2986 OTHERLIBS='-lXt -lSM -lICE'
2990 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2991 if test "X$LIBS" != "X$OLDLIBS"; then
2992 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2995 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
3001 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
3002 # OpenMotif may be installed in such a way on some GNU/Linux systems.
3003 if test -d /usr/include/openmotif; then
3004 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
3005 emacs_cv_openmotif=yes
3006 case "$canonical" in
3007 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
3008 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
3011 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
3014 emacs_cv_openmotif=no
3016 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
3017 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
3018 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
3021 Motif version prior to 2.1.
3023 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
3024 if test $emacs_cv_motif_version_2_1 = yes; then
3025 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
3026 if test x$emacs_cv_openmotif = xyes; then
3027 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
3030 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
3031 # We put this in CFLAGS temporarily to precede other -I options
3032 # that might be in CFLAGS temporarily.
3033 # We put this in CPPFLAGS where it precedes the other -I options.
3034 OLD_CPPFLAGS=$CPPFLAGS
3036 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
3037 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
3038 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
3040 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
3041 if test $emacs_cv_lesstif = yes; then
3042 # Make sure this -I option remains in CPPFLAGS after it is set
3043 # back to REAL_CPPFLAGS.
3044 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
3045 # have those other -I options anyway. Ultimately, having this
3046 # directory ultimately in CPPFLAGS will be enough.
3047 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
3048 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
3051 CPPFLAGS=$OLD_CPPFLAGS
3054 AC_CHECK_HEADER([Xm/BulletinB.h], [],
3055 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
3058 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
3059 dnl using Motif or Xaw3d is available, and unless
3060 dnl --with-toolkit-scroll-bars=no was specified.
3062 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
3063 [Define to 1 if we should use toolkit scroll bars.])dnl
3064 USE_TOOLKIT_SCROLL_BARS=no
3065 if test "${with_toolkit_scroll_bars}" != "no"; then
3066 if test "${USE_X_TOOLKIT}" != "none"; then
3067 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
3068 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3070 USE_TOOLKIT_SCROLL_BARS=yes
3071 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
3072 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3073 USE_TOOLKIT_SCROLL_BARS=yes
3075 elif test "${HAVE_GTK}" = "yes"; then
3076 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3077 USE_TOOLKIT_SCROLL_BARS=yes
3078 elif test "${HAVE_NS}" = "yes"; then
3079 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3080 USE_TOOLKIT_SCROLL_BARS=yes
3081 elif test "${HAVE_W32}" = "yes"; then
3082 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3083 USE_TOOLKIT_SCROLL_BARS=yes
3087 dnl See if XIM is available.
3088 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3089 #include <X11/Xlib.h>
3090 #include <X11/Xresource.h>]],
3091 [[XIMProc callback;]])],
3093 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
3096 dnl '--with-xim' now controls only the initial value of use_xim at run time.
3098 if test "${with_xim}" != "no"; then
3099 AC_DEFINE(USE_XIM, 1,
3100 [Define to 1 if we should use XIM, if it is available.])
3104 if test "${HAVE_XIM}" != "no"; then
3106 if test "$GCC" = yes; then
3107 CFLAGS="$CFLAGS --pedantic-errors"
3109 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3110 #include <X11/Xlib.h>
3111 #include <X11/Xresource.h>]],
3117 XPointer *client_data;
3119 /* If we're not using GCC, it's probably not XFree86, and this is
3120 probably right, but we can't use something like --pedantic-errors. */
3121 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
3122 char*, XIMProc, XPointer*);
3124 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
3126 [emacs_cv_arg6_star=yes])
3127 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
3128 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
3129 either XPointer or XPointer*.])dnl
3130 if test "$emacs_cv_arg6_star" = yes; then
3131 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
3133 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
3138 ### Start of font-backend (under any platform) section.
3139 # (nothing here yet -- this is a placeholder)
3140 ### End of font-backend (under any platform) section.
3142 ### Start of font-backend (under X11) section.
3143 if test "${HAVE_X11}" = "yes"; then
3144 ## Use -lXft if available, unless '--with-xft=no'.
3146 if test "x${with_x}" = "xno"; then
3150 if test "$with_xft" != no; then
3151 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
3152 with_xft=$HAVE_FONTCONFIG
3155 if test "x${with_xft}" != "xno"; then
3157 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
3158 ## Because xftfont.c uses XRenderQueryExtension, we also
3159 ## need to link to -lXrender.
3161 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
3162 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
3163 OLD_CPPFLAGS="$CPPFLAGS"
3164 OLD_CFLAGS="$CFLAGS"
3166 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3167 CFLAGS="$CFLAGS $XFT_CFLAGS"
3168 XFT_LIBS="-lXrender $XFT_LIBS"
3169 LIBS="$XFT_LIBS $LIBS"
3170 AC_CHECK_HEADER(X11/Xft/Xft.h,
3171 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3172 [[#include <X11/X.h>]])
3174 if test "${HAVE_XFT}" = "yes"; then
3175 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3177 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3178 fi # "${HAVE_XFT}" = "yes"
3179 CPPFLAGS=$OLD_CPPFLAGS
3182 fi # "$HAVE_XFT" != no
3183 fi # "x${with_xft}" != "xno"
3185 ## We used to allow building with FreeType and without Xft.
3186 ## However, the ftx font backend driver is not in good shape.
3187 if test "$HAVE_XFT" != "yes"; then
3188 dnl For the "Does Emacs use" message at the end.
3192 dnl Strict linkers fail with
3193 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3194 dnl if -lfreetype is not specified.
3195 dnl The following is needed to set FREETYPE_LIBS.
3196 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3198 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3202 if test "${HAVE_FREETYPE}" = "yes"; then
3203 AC_DEFINE(HAVE_FREETYPE, 1,
3204 [Define to 1 if using the freetype and fontconfig libraries.])
3205 if test "${with_libotf}" != "no"; then
3206 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3207 if test "$HAVE_LIBOTF" = "yes"; then
3208 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3209 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3210 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3211 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3212 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3213 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3214 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3218 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3219 dnl Does the new font backend require it, or can it work without it?
3223 if test "${HAVE_LIBOTF}" = yes; then
3224 if test "${with_m17n_flt}" != "no"; then
3225 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3226 if test "$HAVE_M17N_FLT" = "yes"; then
3227 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3238 ### End of font-backend (under X11) section.
3240 AC_SUBST(FREETYPE_CFLAGS)
3241 AC_SUBST(FREETYPE_LIBS)
3242 AC_SUBST(FONTCONFIG_CFLAGS)
3243 AC_SUBST(FONTCONFIG_LIBS)
3244 AC_SUBST(LIBOTF_CFLAGS)
3245 AC_SUBST(LIBOTF_LIBS)
3246 AC_SUBST(M17N_FLT_CFLAGS)
3247 AC_SUBST(M17N_FLT_LIBS)
3250 if test "${HAVE_X11}" = "yes"; then
3251 if test "${with_cairo}" != "no"; then
3252 CAIRO_REQUIRED=1.12.0
3253 CAIRO_MODULE="cairo >= $CAIRO_REQUIRED"
3254 EMACS_CHECK_MODULES(CAIRO, $CAIRO_MODULE)
3255 if test $HAVE_CAIRO = yes; then
3256 AC_DEFINE(USE_CAIRO, 1, [Define to 1 if using cairo.])
3258 AC_MSG_ERROR([cairo requested but not found.])
3261 CFLAGS="$CFLAGS $CAIRO_CFLAGS"
3262 LIBS="$LIBS $CAIRO_LIBS"
3263 AC_SUBST(CAIRO_CFLAGS)
3264 AC_SUBST(CAIRO_LIBS)
3268 if test "${HAVE_X11}" = "yes"; then
3269 AC_CHECK_HEADER(X11/Xlib-xcb.h,
3270 AC_CHECK_LIB(xcb, xcb_translate_coordinates, HAVE_XCB=yes))
3271 if test "${HAVE_XCB}" = "yes"; then
3272 AC_CHECK_LIB(X11-xcb, XGetXCBConnection, HAVE_X11_XCB=yes)
3273 if test "${HAVE_X11_XCB}" = "yes"; then
3274 AC_DEFINE(USE_XCB, 1,
3275 [Define to 1 if you have the XCB library and X11-XCB library for mixed
3276 X11/XCB programming.])
3277 XCB_LIBS="-lX11-xcb -lxcb"
3283 ### Use -lXpm if available, unless '--with-xpm=no'.
3284 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3285 ### The Cygwin-w32 build uses <noX/xpm.h> instead of <X11/xpm.h>, so
3286 ### we need to set LDFLAGS accordingly.
3289 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3290 if test "${with_xpm}" != "no"; then
3291 SAVE_LDFLAGS="$LDFLAGS"
3292 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3293 AC_CHECK_HEADER(noX/xpm.h,
3294 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3295 if test "${HAVE_XPM}" = "yes"; then
3296 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3297 AC_EGREP_CPP(no_return_alloc_pixels,
3298 [#include "noX/xpm.h"
3299 #ifndef XpmReturnAllocPixels
3300 no_return_alloc_pixels
3302 ], HAVE_XPM=no, HAVE_XPM=yes)
3304 if test "${HAVE_XPM}" = "yes"; then
3308 LDFLAGS="$SAVE_LDFLAGS"
3313 if test "${HAVE_XPM}" = "yes"; then
3314 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3319 if test "${HAVE_X11}" = "yes"; then
3320 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3321 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3323 if test "${with_xpm}" != "no"; then
3324 AC_CHECK_HEADER(X11/xpm.h,
3325 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3326 if test "${HAVE_XPM}" = "yes"; then
3327 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3328 AC_EGREP_CPP(no_return_alloc_pixels,
3329 [#include "X11/xpm.h"
3330 #ifndef XpmReturnAllocPixels
3331 no_return_alloc_pixels
3333 ], HAVE_XPM=no, HAVE_XPM=yes)
3335 if test "${HAVE_XPM}" = "yes"; then
3343 if test "${HAVE_XPM}" = "yes"; then
3344 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3346 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3347 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3352 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3353 ### slightly different requirements wrt image libraries (it doesn't
3354 ### use -lXpm because it loads the xpm shared library dynamically at
3356 if test "${opsys}" = "mingw32"; then
3357 if test "${with_xpm}" != "no"; then
3358 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3362 if test "${HAVE_XPM}" = "yes"; then
3363 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3369 ### Use -ljpeg if available, unless '--with-jpeg=no'.
3372 if test "${with_jpeg}" != "no"; then
3373 AC_CACHE_CHECK([for jpeglib 6b or later],
3376 for emacs_cv_jpeglib in yes -ljpeg no; do
3377 case $emacs_cv_jpeglib in
3380 *) LIBS="$LIBS $emacs_cv_jpeglib";;
3384 [[#undef HAVE_STDLIB_H /* Avoid config.h/jpeglib.h collision. */
3385 #include <stdio.h> /* jpeglib.h needs FILE and size_t. */
3386 #include <jpeglib.h>
3388 char verify[JPEG_LIB_VERSION < 62 ? -1 : 1];
3389 struct jpeg_decompress_struct cinfo;
3392 jpeg_create_decompress (&cinfo);
3393 WARNMS (&cinfo, JWRN_JPEG_EOF);
3394 jpeg_destroy_decompress (&cinfo);
3396 [emacs_link_ok=yes],
3399 test $emacs_link_ok = yes && break
3401 if test "$emacs_cv_jpeglib" != no; then
3403 AC_DEFINE([HAVE_JPEG], 1,
3404 [Define to 1 if you have the jpeg library (typically -ljpeg).])
3405 ### mingw32 doesn't use -ljpeg, since it loads the library
3406 ### dynamically when needed, and doesn't want a run-time
3407 ### dependency on the jpeglib DLL.
3408 test "$emacs_cv_jpeglib" != yes && test "${opsys}" != "mingw32" \
3409 && LIBJPEG=$emacs_cv_jpeglib
3416 if test "${with_zlib}" != "no"; then
3418 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3420 case $ac_cv_search_inflateEnd in
3421 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3424 if test "${HAVE_ZLIB}" = "yes"; then
3425 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3426 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3427 if test "${opsys}" = "mingw32"; then
3433 ### Dynamic modules support
3438 if test "${with_modules}" != "no"; then
3442 MODULES_SUFFIX=".so"
3446 MODULES_SUFFIX=".dll"
3450 MODULES_SUFFIX=".so"
3454 # BSD systems have dlopen in libc.
3455 AC_CHECK_FUNC([dlopen],
3456 [MODULES_SUFFIX=".so"
3461 if test "${HAVE_MODULES}" = no; then
3462 AC_MSG_ERROR([Dynamic modules are not supported on your system])
3465 LIBS="$LIBS $LIBMODULES"
3466 AC_CHECK_FUNCS([dladdr dlfunc])
3471 if test "${HAVE_MODULES}" = yes; then
3472 MODULES_OBJ="dynlib.o emacs-module.o"
3473 AC_DEFINE(HAVE_MODULES, 1, [Define to 1 if dynamic modules are enabled])
3474 AC_DEFINE_UNQUOTED(MODULES_SUFFIX, "$MODULES_SUFFIX",
3475 [System extension for dynamic libraries])
3477 AC_SUBST(MODULES_OBJ)
3478 AC_SUBST(LIBMODULES)
3480 ### Use -lpng if available, unless '--with-png=no'.
3484 if test "${NS_IMPL_COCOA}" = yes; then
3486 elif test "${with_png}" != no; then
3487 # mingw32 loads the library dynamically.
3488 if test "$opsys" = mingw32; then
3489 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3490 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3491 AC_MSG_CHECKING([for png])
3492 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3493 png_ldflags=`(libpng-config --ldflags) 2>&AS_MESSAGE_LOG_FD` || {
3494 # libpng-config does not work; configure by hand.
3495 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3496 # in /usr/include/libpng.
3497 if test -r /usr/include/libpng/png.h &&
3498 test ! -r /usr/include/png.h; then
3499 png_cflags=-I/usr/include/libpng
3507 CFLAGS="$CFLAGS $png_cflags"
3508 LIBS="$png_ldflags -lz -lm $LIBS"
3510 [AC_LANG_PROGRAM([[#include <png.h>]],
3511 [[return !png_get_channels (0, 0);]])],
3513 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3515 # $LIBPNG requires explicit -lz in some cases.
3516 # We don't know what those cases are, exactly, so play it safe and
3517 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3518 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3519 LIBPNG="$LIBPNG -lz"
3523 AC_MSG_RESULT([$HAVE_PNG])
3526 if test $HAVE_PNG = yes; then
3527 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3530 CFLAGS="$CFLAGS $PNG_CFLAGS"
3531 AC_CHECK_DECL([png_longjmp],
3533 [AC_DEFINE([PNG_DEPSTRUCT], [],
3534 [Define to empty to suppress deprecation warnings when building
3535 with --enable-gcc-warnings and with libpng versions before 1.5,
3536 which lack png_longjmp.])],
3542 AC_SUBST(PNG_CFLAGS)
3544 ### Use -ltiff if available, unless '--with-tiff=no'.
3545 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3548 if test "${opsys}" = "mingw32"; then
3549 if test "${with_tiff}" != "no"; then
3550 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3552 if test "${HAVE_TIFF}" = "yes"; then
3553 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3555 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3556 if test "${with_tiff}" != "no"; then
3557 AC_CHECK_HEADER(tiffio.h,
3559 # At least one tiff package requires the jpeg library.
3560 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3561 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3564 if test "${HAVE_TIFF}" = "yes"; then
3565 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3566 dnl FIXME -lz -lm, as per libpng?
3572 ### Use -lgif or -lungif if available, unless '--with-gif=no'.
3573 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3576 if test "${opsys}" = "mingw32"; then
3577 if test "${with_gif}" != "no"; then
3578 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3580 if test "${HAVE_GIF}" = "yes"; then
3581 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3583 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3584 || test "${HAVE_W32}" = "yes"; then
3585 AC_CHECK_HEADER(gif_lib.h,
3586 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3587 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3588 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3589 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3591 if test "$HAVE_GIF" = yes; then
3593 elif test "$HAVE_GIF" = maybe; then
3594 # If gif_lib.h but no libgif, try libungif.
3595 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3596 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3599 if test "${HAVE_GIF}" = "yes"; then
3600 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3605 dnl Check for required libraries.
3608 if test "${HAVE_X11}" = "yes"; then
3609 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3610 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3611 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3612 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3613 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3614 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3615 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3616 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3617 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3618 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3620 test "${with_gnutls}" != "no" && test "${HAVE_GNUTLS}" != "yes" &&
3621 MISSING="$MISSING gnutls" && WITH_NO="$WITH_NO --with-gnutls=no"
3622 if test "X${MISSING}" != X; then
3623 AC_MSG_ERROR([The following required libraries were not found:
3625 Maybe some development libraries/packages are missing?
3626 If you don't want to link with them give
3628 as options to configure])
3631 ### Use -lgpm if available, unless '--with-gpm=no'.
3634 if test "${with_gpm}" != "no"; then
3635 AC_CHECK_HEADER(gpm.h,
3636 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3638 if test "${HAVE_GPM}" = "yes"; then
3639 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3645 dnl Check for malloc/malloc.h on darwin
3646 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3649 ### Use NeXTstep API to implement GUI.
3650 if test "${HAVE_NS}" = "yes"; then
3651 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on macOS.])
3652 if test "${NS_IMPL_COCOA}" = "yes"; then
3653 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under macOS.])
3655 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3656 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3657 if test $NS_GNUSTEP_CONFIG != yes; then
3658 # See also .m.o rule in src/Makefile.in. */
3659 # FIXME: are all these flags really needed? Document here why. */
3660 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3661 ## Extra CFLAGS applied to src/*.m files.
3662 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3668 ### Use session management (-lSM -lICE) if available
3671 if test "${HAVE_X11}" = "yes"; then
3672 AC_CHECK_HEADER(X11/SM/SMlib.h,
3673 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3675 if test "${HAVE_X_SM}" = "yes"; then
3676 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3682 ### Use XRandr (-lXrandr) if available
3684 if test "${HAVE_X11}" = "yes"; then
3685 XRANDR_REQUIRED=1.2.2
3686 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3687 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3688 if test $HAVE_XRANDR = no; then
3689 # Test old way in case pkg-config doesn't have it (older machines).
3690 # Include Xrender.h by hand to work around bug in older Xrandr.h
3691 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3692 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3693 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3694 [], [AC_INCLUDES_DEFAULT
3695 #include <X11/extensions/Xrender.h>])
3696 if test $HAVE_XRANDR = yes; then
3697 XRANDR_LIBS=-lXrandr
3700 if test $HAVE_XRANDR = yes; then
3701 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3704 AC_SUBST(XRANDR_CFLAGS)
3705 AC_SUBST(XRANDR_LIBS)
3707 ### Use Xinerama (-lXinerama) if available
3709 if test "${HAVE_X11}" = "yes"; then
3710 XINERAMA_REQUIRED=1.0.2
3711 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3712 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3713 if test $HAVE_XINERAMA = no; then
3714 # Test old way in case pkg-config doesn't have it (older machines).
3715 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3716 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3717 if test $HAVE_XINERAMA = yes; then
3718 XINERAMA_LIBS=-lXinerama
3721 if test $HAVE_XINERAMA = yes; then
3722 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3725 AC_SUBST(XINERAMA_CFLAGS)
3726 AC_SUBST(XINERAMA_LIBS)
3728 ### Use Xfixes (-lXfixes) if available
3730 if test "${HAVE_X11}" = "yes"; then
3731 XFIXES_REQUIRED=4.0.0
3732 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3733 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3734 if test $HAVE_XFIXES = no; then
3735 # Test old way in case pkg-config doesn't have it (older machines).
3736 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3737 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3738 if test $HAVE_XFIXES = yes; then
3739 XFIXES_LIBS=-lXfixes
3742 if test $HAVE_XFIXES = yes; then
3743 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3746 AC_SUBST(XFIXES_CFLAGS)
3747 AC_SUBST(XFIXES_LIBS)
3749 ### Use Xdbe (-lXdbe) if available
3751 if test "${HAVE_X11}" = "yes"; then
3752 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
3753 [AC_CHECK_LIB(Xext, XdbeAllocateBackBufferName, HAVE_XDBE=yes)],
3755 [#include <X11/Xlib.h>
3757 if test $HAVE_XDBE = yes; then
3760 if test $HAVE_XDBE = yes; then
3761 AC_DEFINE(HAVE_XDBE, 1, [Define to 1 if you have the Xdbe extension.])
3764 AC_SUBST(XDBE_CFLAGS)
3767 ### Use libxml (-lxml2) if available
3768 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3770 if test "${with_xml2}" != "no"; then
3771 ### I'm not sure what the version number should be, so I just guessed.
3772 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3773 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3774 if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
3775 SAVE_CPPFLAGS="$CPPFLAGS"
3776 if test -z "$xcsdkdir" -a -n "$XCRUN" -a ! -d /usr/include; then
3777 dnl /usr/include is not found. Try Xcode SDK dir if it is sane.
3778 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
3780 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
3784 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3785 AC_CHECK_HEADER(libxml/HTMLparser.h,
3786 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3787 [#include <libxml/HTMLparser.h>])])
3788 CPPFLAGS="$SAVE_CPPFLAGS"
3789 if test "${HAVE_LIBXML2}" = "yes"; then
3790 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3791 LIBXML2_LIBS="-lxml2"
3794 if test "${HAVE_LIBXML2}" = "yes"; then
3795 if test "${opsys}" != "mingw32"; then
3796 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no,
3801 if test "${HAVE_LIBXML2}" = "yes"; then
3802 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3809 AC_SUBST(LIBXML2_LIBS)
3810 AC_SUBST(LIBXML2_CFLAGS)
3812 # Check for mail-locking functions in a "mail" library. Probably this should
3813 # have the same check as for liblockfile below.
3814 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3815 if test $have_mail = yes; then
3817 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the 'mail' library (-lmail).])
3820 LIBS="$LIBS_MAIL $LIBS"
3821 AC_CHECK_FUNCS(touchlock)
3826 dnl Debian, at least:
3827 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3828 if test $have_lockfile = yes; then
3829 LIBS_MAIL=-llockfile
3830 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the 'lockfile' library (-llockfile).])
3832 # If we have the shared liblockfile, assume we must use it for mail
3833 # locking (e.g. Debian). If we couldn't link against liblockfile
3834 # (no liblockfile.a installed), ensure that we don't need to.
3835 dnl This works for files generally, not just executables.
3836 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3837 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3838 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3839 if test $ac_cv_prog_liblockfile = yes; then
3840 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3841 This probably means that movemail could lose mail.
3842 There may be a 'development' package to install containing liblockfile.])
3845 AC_CHECK_HEADERS_ONCE(maillock.h)
3848 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3849 ## interlock access to the mail spool. The alternative is a lock file named
3850 ## /usr/spool/mail/$USER.lock.
3853 aix4-2) mail_lock="lockf" ;;
3855 gnu|freebsd|dragonfly|netbsd|openbsd|darwin) mail_lock="flock" ;;
3857 ## On GNU/Linux systems, both methods are used by various mail programs.
3858 ## I assume most people are using newer mailers that have heard of flock.
3859 ## Change this if you need to.
3860 ## Debian contains a patch which says: "On Debian/GNU/Linux systems,
3861 ## configure gets the right answers, and that means *NOT* using flock.
3862 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3863 ## for details." and then uses '#ifdef DEBIAN'. Unfortunately the
3864 ## Debian maintainer hasn't provided a clean fix for Emacs.
3865 ## movemail.c will use 'maillock' when MAILDIR, HAVE_LIBMAIL and
3866 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3867 ## correct logic. -- fx
3868 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3869 ## liblockfile is a Free Software replacement for libmail, used on
3870 ## Debian systems and elsewhere. -rfr.
3873 if test $have_mail = yes || test $have_lockfile = yes; then
3874 test $ac_cv_header_maillock_h = yes && mail_lock=no
3879 mail_lock="none-needed" ;;
3883 case "$mail_lock" in
3884 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3886 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3890 *) BLESSMAIL_TARGET="need-blessmail" ;;
3892 AC_SUBST(BLESSMAIL_TARGET)
3895 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3896 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3897 getrusage get_current_dir_name \
3898 lrand48 random rint \
3899 select getpagesize setlocale newlocale \
3900 getrlimit setrlimit shutdown \
3901 pthread_sigmask strsignal setitimer \
3902 sendto recvfrom getsockname getifaddrs freeifaddrs \
3904 getpwent endpwent getgrent endgrent \
3905 cfmakeraw cfsetspeed copysign __executable_start log2 prctl)
3908 dnl No need to check for posix_memalign if aligned_alloc works.
3909 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3910 AC_CHECK_DECLS([aligned_alloc], [], [], [[#include <stdlib.h>]])
3912 dnl Cannot use AC_CHECK_FUNCS
3913 AC_CACHE_CHECK([for __builtin_unwind_init],
3914 emacs_cv_func___builtin_unwind_init,
3915 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3916 emacs_cv_func___builtin_unwind_init=yes,
3917 emacs_cv_func___builtin_unwind_init=no)])
3918 if test $emacs_cv_func___builtin_unwind_init = yes; then
3919 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3920 [Define to 1 if you have the '__builtin_unwind_init' function.])
3923 AC_CHECK_HEADERS_ONCE(sys/un.h)
3928 AC_CHECK_FUNCS(grantpt)
3930 # PTY-related GNU extensions.
3931 AC_CHECK_FUNCS(getpt posix_openpt)
3933 # Check this now, so that we will NOT find the above functions in ncurses.
3934 # That is because we have not set up to link ncurses in lib-src.
3935 # It's better to believe a function is not available
3936 # than to expect to find it in ncurses.
3937 # Also we need tputs and friends to be able to build at all.
3938 AC_MSG_CHECKING([for library containing tputs])
3939 # Run a test program that contains a call to tputs, a call that is
3940 # never executed. This tests whether a pre-'main' dynamic linker
3941 # works with the library. It's too much trouble to actually call
3942 # tputs in the test program, due to portability hassles. When
3943 # cross-compiling, assume the test program will run if it links.
3944 AC_DEFUN([tputs_link_source], [
3946 [[extern void tputs (const char *, int, int (*)(int));
3947 int main (int argc, char **argv)
3950 tputs (argv[0], 0, 0);
3954 if test "${opsys}" = "mingw32"; then
3957 # Maybe curses should be tried earlier?
3958 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3959 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3961 if test -z "$tputs_library"; then
3965 LIBS_TERMCAP=-l$tputs_library
3967 LIBS="$LIBS_TERMCAP $LIBS"
3969 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3970 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3972 if test "X$msg" != Xno; then
3977 AC_MSG_RESULT([$msg])
3978 if test "X$msg" = Xno; then
3979 AC_MSG_ERROR([The required function 'tputs' was not found in any library.
3980 The following libraries were tried (in order):
3981 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3982 Please try installing whichever of these libraries is most appropriate
3983 for your system, together with its header files.
3984 For example, a libncurses-dev(el) or similar package.])
3987 ## Use termcap instead of terminfo?
3988 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3990 ## FIXME? In the cases below where we unconditionally set
3991 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3992 ## if that was found above to have tputs.
3993 ## Should we use the gnu* logic everywhere?
3995 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3996 ## The ncurses library has been moved out of the System framework in
3997 ## Mac OS X 10.2. So if configure detects it, set the command-line
3998 ## option to use it.
3999 darwin) LIBS_TERMCAP="-lncurses" ;;
4001 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
4004 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
4005 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
4006 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
4007 [[#if __FreeBSD_version < 400000
4010 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
4012 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
4014 if test $emacs_cv_freebsd_terminfo = yes; then
4015 LIBS_TERMCAP="-lncurses"
4018 LIBS_TERMCAP="-ltermcap"
4028 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
4030 LIBS_TERMCAP="-ltermcap"
4034 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
4036 ## hpux: Make sure we get select from libc rather than from libcurses
4037 ## because libcurses on HPUX 10.10 has a broken version of select.
4038 ## We used to use -lc -lcurses, but this may be cleaner.
4039 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
4040 # set that way, now it uses the default). Isn't this a contradiction?
4041 hpux*) LIBS_TERMCAP="-ltermcap" ;;
4045 TERMCAP_OBJ=tparam.o
4046 if test $TERMINFO = yes; then
4047 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
4048 TERMCAP_OBJ=terminfo.o
4050 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
4051 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
4053 AC_SUBST(LIBS_TERMCAP)
4054 AC_SUBST(TERMCAP_OBJ)
4056 # GNU/Linux-specific timer functions.
4057 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
4059 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
4061 [[timerfd_create (CLOCK_REALTIME,
4062 TFD_CLOEXEC | TFD_NONBLOCK);
4063 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
4064 [emacs_cv_have_timerfd=yes],
4065 [emacs_cv_have_timerfd=no])])
4066 if test "$emacs_cv_have_timerfd" = yes; then
4067 AC_DEFINE([HAVE_TIMERFD], 1,
4068 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
4071 # Alternate stack for signal handlers.
4072 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
4073 [emacs_cv_alternate_stack],
4075 [AC_LANG_PROGRAM([[#include <signal.h>
4078 struct sigaction sa;
4079 ss.ss_sp = malloc (SIGSTKSZ);
4080 ss.ss_size = SIGSTKSZ;
4081 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
4082 sigaltstack (&ss, 0);
4083 sigaction (SIGSEGV, &sa, 0);]])],
4084 [emacs_cv_alternate_stack=yes],
4085 [emacs_cv_alternate_stack=no])])
4087 # Do we need the Hesiod library to provide the support routines?
4088 dnl FIXME? Should we be skipping this on Darwin too?
4091 if test "$with_hesiod" != no ; then
4092 # Don't set $LIBS here -- see comments above. FIXME which comments?
4094 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
4095 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
4096 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
4097 if test "$resolv" = yes ; then
4103 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
4104 hesiod=yes, :, $RESOLVLIB)])
4106 if test x"$hesiod" = xyes; then
4108 LIBRESOLV=$RESOLVLIB
4114 # These tell us which Kerberos-related libraries to use.
4121 if test "${with_kerberos}" != no; then
4123 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
4124 if test $have_com_err = yes; then
4125 COM_ERRLIB=-lcom_err
4126 LIBS="$COM_ERRLIB $LIBS"
4128 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
4129 if test $have_crypto = yes; then
4131 LIBS="$CRYPTOLIB $LIBS"
4133 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
4134 if test $have_k5crypto = yes; then
4135 CRYPTOLIB=-lk5crypto
4136 LIBS="$CRYPTOLIB $LIBS"
4138 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
4139 if test $have_krb5=yes; then
4141 LIBS="$KRB5LIB $LIBS"
4143 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
4144 if test "${with_kerberos5}" = no; then
4145 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
4146 if test $have_des425 = yes; then
4148 LIBS="$DESLIB $LIBS"
4150 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
4151 if test $have_des = yes; then
4153 LIBS="$DESLIB $LIBS"
4156 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
4157 if test $have_krb4 = yes; then
4159 LIBS="$KRB4LIB $LIBS"
4161 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
4162 if test $have_krb = yes; then
4164 LIBS="$KRB4LIB $LIBS"
4169 if test "${with_kerberos5}" != no; then
4170 AC_CHECK_HEADERS(krb5.h,
4171 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
4172 [#include <krb5.h>])])
4174 AC_CHECK_HEADERS(krb.h,,
4175 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
4176 [AC_CHECK_HEADERS(kerberos/krb.h)])])
4178 AC_CHECK_HEADERS(com_err.h)
4182 AC_SUBST(COM_ERRLIB)
4188 AC_CHECK_HEADERS(valgrind/valgrind.h)
4190 AC_CHECK_MEMBERS([struct unipair.unicode], [], [], [[#include <linux/kd.h>]])
4192 AC_CHECK_FUNCS_ONCE([sbrk tzset])
4195 AC_CHECK_FUNC(socket, , ok_so_far=no)
4196 if test $ok_so_far = yes; then
4197 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4199 if test $ok_so_far = yes; then
4200 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4202 if test $ok_so_far = yes; then
4203 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4204 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4205 [Define to 1 if you have inet sockets.])
4210 AC_CHECK_FUNCS(snprintf)
4212 dnl Check for glib. This differs from other library checks in that
4213 dnl Emacs need not link to glib unless some other library is already
4214 dnl linking to glib. Although glib provides no facilities that Emacs
4215 dnl needs for its own purposes, when glib is present Emacs needs to
4216 dnl use primitives like g_main_context_query to avoid clashing with
4217 dnl glib at a low level.
4219 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4223 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4224 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4225 CFLAGS="$CFLAGS $NOTIFY_CFLAGS $CAIRO_CFLAGS"
4226 LIBS="$LIBS $NOTIFY_LIBS $CAIRO_LIBS"
4227 AC_MSG_CHECKING([whether GLib is linked in])
4228 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4231 [[g_print ("Hello world");]])],
4234 AC_MSG_RESULT([$links_glib])
4235 if test "${links_glib}" = "yes"; then
4236 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4237 if test "$HAVE_NS" = no;then
4245 dnl Adapted from Haible's version.
4246 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4247 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4248 [[char* cs = nl_langinfo(CODESET);]])],
4249 emacs_cv_langinfo_codeset=yes,
4250 emacs_cv_langinfo_codeset=no)
4252 if test $emacs_cv_langinfo_codeset = yes; then
4253 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4254 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4259 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4260 dnl how the tty code is related to POSIX and/or other versions of termios.
4261 dnl The following looks like a useful start.
4263 dnl AC_SYS_POSIX_TERMIOS
4264 dnl if test $ac_cv_sys_posix_termios = yes; then
4265 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4266 dnl and macros for terminal control.])
4267 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4270 dnl Turned on June 1996 supposing nobody will mind it.
4271 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4272 if test "${opsys}" != "mingw32"; then
4273 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4274 in the full name stands for the login id.])
4277 dnl Everybody supports this, except MS.
4278 dnl Seems like the kind of thing we should be testing for, though.
4279 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4280 if test "${opsys}" != "mingw32"; then
4281 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4284 dnl Everybody supports this, except MS-DOS.
4285 dnl Seems like the kind of thing we should be testing for, though.
4286 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4287 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4288 4.2-compatible sockets.])
4290 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4292 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4293 a null file, or a data sink.])
4294 if test "${opsys}" = "mingw32"; then
4295 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4297 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4300 if test "${opsys}" = "mingw32"; then
4305 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4306 dnl This is for MinGW, and is used in test/Makefile.in.
4307 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4308 dnl decides that a command-line argument to be passed to a MinGW program
4309 dnl is a PATH-style list of directories. But that heuristics plays it
4310 dnl safe, and only does the replacement when it is _absolutely_ sure it
4311 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4312 dnl which breaks in-tree builds. So we do this manually instead.
4313 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4314 dnl be computed as ':' in MSYS Bash.
4317 dnl Everybody supports this, except MS-DOS.
4318 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4320 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4323 AC_DEFINE(DIRECTORY_SEP, ['/'],
4324 [Character that separates directories in a file name.])
4326 if test "${opsys}" = "mingw32"; then
4327 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4328 [Returns true if character is a device separator.])
4330 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4331 [Returns true if character is a directory separator.])
4333 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4334 [Returns true if character is any form of separator.])
4336 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4337 [Returns true if character is a device separator.])
4339 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4340 [Returns true if character is a directory separator.])
4342 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4343 [Returns true if character is any form of separator.])
4346 if test "$USE_X_TOOLKIT" != "none"; then
4350 dnl Assar Westerlund <assar@sics.se> says this is necessary
4351 dnl for HP-UX 10.20, and that it works for HP-UX 0 as well.
4355 if test "$have_editres" != no && test ! -z "$LIBXMU"; then
4357 dnl See libXmu.a check above.
4358 if test x$HAVE_X11XTR6 = xyes; then
4359 LIBS="-lXt -lSM -lICE $LIBXMU"
4361 OTHERLIBS="-lXt -$LIBXMU"
4364 [#include <X11/Intrinsic.h>
4365 #include <X11/Xmu/Editres.h>],
4366 [_XEditResCheckMessages (0, 0, 0, 0);],
4367 [AC_DEFINE([X_TOOLKIT_EDITRES], 1,
4368 [Define to 1 if we should use XEditRes.])])
4375 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4376 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4377 dnl need the constant to dimension an array. So wire in the appropriate
4379 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4383 emacs_broken_SIGIO=no
4386 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4387 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4388 hpux* | nacl | openbsd | sol2* | unixware )
4389 emacs_broken_SIGIO=yes
4393 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4394 dnl the way this system works, libc functions that return malloced
4395 dnl memory use the libc malloc implementation. Calling xfree or
4396 dnl xrealloc on the results of such functions results in a crash.
4398 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4399 dnl but that does not currently work on this system.
4401 dnl It is possible to completely override the malloc implementation on
4402 dnl AIX, but that involves putting the malloc functions in a shared
4403 dnl library and setting the MALLOCTYPE environment variable to point to
4404 dnl that shared library.
4406 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4407 dnl to avoid a crash just use the Emacs implementation for that function.
4409 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4410 dnl of this file, so that we do not check for get_current_dir_name
4411 dnl on AIX. But that might be fragile if something else ends
4412 dnl up testing for get_current_dir_name as a dependency.
4413 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4414 get_current_dir_name should not be used.])
4418 dnl Circumvent a bug in FreeBSD. In the following sequence of
4419 dnl writes/reads on a PTY, read(2) returns bogus data:
4421 dnl write(2) 1022 bytes
4422 dnl write(2) 954 bytes, get EAGAIN
4423 dnl read(2) 1024 bytes in process_read_output
4424 dnl read(2) 11 bytes in process_read_output
4426 dnl That is, read(2) returns more bytes than have ever been written
4427 dnl successfully. The 1033 bytes read are the 1022 bytes written
4428 dnl successfully after processing (for example with CRs added if the
4429 dnl terminal is set up that way which it is here). The same bytes will
4430 dnl be seen again in a later read(2), without the CRs.
4431 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4432 work around an issue when reading from a PTY.])
4438 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4439 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4444 darwin | dragonfly | freebsd | netbsd | openbsd )
4445 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4446 close a pty to make it a controlling terminal (it is already a
4447 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4451 dnl FIXME Surely we can test for this rather than hard-code it.
4453 netbsd | openbsd) sound_device="/dev/audio" ;;
4454 *) sound_device="/dev/dsp" ;;
4458 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4459 [Name of the default sound device.])
4462 dnl Emacs can read input using SIGIO and buffering characters itself,
4463 dnl or using CBREAK mode and making C-g cause SIGINT.
4464 dnl The choice is controlled by the variable interrupt_input.
4466 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4468 dnl Emacs uses the presence of the USABLE_SIGIO macro
4469 dnl to indicate whether or not signal-driven I/O is possible. It uses
4470 dnl INTERRUPT_INPUT to decide whether to use it by default.
4472 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4473 dnl CBREAK mode has two disadvantages
4474 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4475 dnl I hear that in system V this problem does not exist.
4476 dnl 2) Control-G causes output to be discarded.
4477 dnl I do not know whether this can be fixed in system V.
4479 dnl Another method of doing input is planned but not implemented.
4480 dnl It would have Emacs fork off a separate process
4481 dnl to read the input and send it to the true Emacs process
4484 darwin | gnu-linux | gnu-kfreebsd )
4485 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4490 dnl If the system's imake configuration file defines 'NeedWidePrototypes'
4491 dnl as 'NO', we must define NARROWPROTO manually. Such a define is
4492 dnl generated in the Makefile generated by 'xmkmf'. If we don't define
4493 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4494 dnl taking float or double parameters.
4496 cygwin|gnu|gnu-linux|gnu-kfreebsd|freebsd|netbsd|openbsd)
4497 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4498 file defines 'NeedWidePrototypes' as 'NO'.])
4503 dnl Used in process.c, this must be a loop, even if it only runs once.
4504 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4505 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4506 dnl trying suffixes 0-16.
4507 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4508 first PTY, if PTYs are supported.])
4509 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4510 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4511 end of a PTY, if non-standard.])
4512 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4513 end of a PTY, if non-standard.])
4517 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4518 dnl You allocate a pty by opening /dev/ptc to get the master side.
4519 dnl To get the name of the slave side, you just ttyname() the master side.
4520 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4521 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4525 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4526 dnl multi-line AC_DEFINEs are hard. :(
4527 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)])
4528 AC_DEFINE(PTY_NAME_SPRINTF, [])
4529 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4533 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4536 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd | darwin | nacl )
4538 if test "x$ac_cv_func_grantpt" = xyes; then
4539 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4540 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4541 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4542 dnl to prevent sigchld_handler from intercepting the child's death.
4543 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); }])
4544 dnl if HAVE_POSIX_OPENPT
4545 if test "x$ac_cv_func_posix_openpt" = xyes; then
4546 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4547 AC_DEFINE(PTY_NAME_SPRINTF, [])
4549 elif test "x$ac_cv_func_getpt" = xyes; then
4550 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4551 AC_DEFINE(PTY_NAME_SPRINTF, [])
4553 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4556 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4561 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4562 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4563 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4567 dnl On SysVr4, grantpt(3) forks a subprocess, so do not use
4568 dnl O_CLOEXEC when opening the pty, and keep the SIGCHLD handler
4569 dnl from intercepting that death. If any child but grantpt's should die
4570 dnl within, it should be caught after sigrelse(2).
4571 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4572 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); }])
4576 dnl Comments are as per sol2*.
4577 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4578 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); }])
4585 dnl This change means that we don't loop through allocate_pty too
4586 dnl many times in the (rare) event of a failure.
4587 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4588 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4589 dnl Push various streams modules onto a PTY channel. Used in process.c.
4590 AC_DEFINE(SETUP_SLAVE_PTY, [if (ioctl (forkin, I_PUSH, "ptem") == -1) fatal ("ioctl I_PUSH ptem"); if (ioctl (forkin, I_PUSH, "ldterm") == -1) fatal ("ioctl I_PUSH ldterm"); if (ioctl (forkin, I_PUSH, "ttcompat") == -1) fatal ("ioctl I_PUSH ttcompat");], [How to set up a slave PTY, if needed.])
4595 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4596 "typing" a signal character on the pty.])
4599 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4600 aix4-2 | cygwin | gnu | dragonfly | freebsd | netbsd | openbsd | darwin )
4601 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4604 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4605 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4606 gnu-linux | gnu-kfreebsd )
4608 AC_MSG_CHECKING([for signals via characters])
4609 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4610 #include <linux/version.h>
4611 #if LINUX_VERSION_CODE < 0x20400
4612 # error "Linux version too old"
4614 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4616 AC_MSG_RESULT([$emacs_signals_via_chars])
4617 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4622 AH_TEMPLATE(TAB3, [Undocumented.])
4625 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4627 gnu | dragonfly | freebsd | netbsd | openbsd )
4628 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4629 AC_DEFINE(TAB3, OXTABS)
4632 gnu-linux | gnu-kfreebsd )
4633 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4637 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4638 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4639 [Mark a secondary stack, like the register stack on the ia64.]), [])
4643 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4644 run_time_remap; for HPUX.])
4649 dnl This won't be used automatically yet. We also need to know, at least,
4650 dnl that the stack is continuous.
4651 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4652 registers relevant for conservative garbage collection in the jmp_buf.])
4656 dnl Not all the architectures are tested, but there are Debian packages
4657 dnl for SCM and/or Guile on them, so the technique must work. See also
4658 dnl comments in alloc.c concerning setjmp and gcc.
4659 dnl Fixme: it's probably safe to just use the GCC conditional below.
4660 gnu-linux | gnu-kfreebsd )
4661 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4662 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4663 || defined __alpha__ || defined __mips__ || defined __s390__ \
4664 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4665 || defined __ia64__ || defined __sh__
4668 # error "setjmp not known to work on this arch"
4670 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4675 if test x$GCC = xyes; then
4676 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4677 AC_DEFINE(GC_SETJMP_WORKS, 1)
4680 aix* | dragonfly | freebsd | netbsd | openbsd | sol2* )
4681 AC_DEFINE(GC_SETJMP_WORKS, 1)
4686 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4687 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4690 [[#include <setjmp.h>
4692 # define _longjmp longjmp
4697 _longjmp (j, 1);]])],
4698 [emacs_cv_func__setjmp=yes],
4699 [emacs_cv_func__setjmp=no])])
4700 if test $emacs_cv_func__setjmp = yes; then
4701 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4704 # We need to preserve signal mask to handle C stack overflows.
4705 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4708 [[#include <setjmp.h>
4711 if (! sigsetjmp (j, 1))
4712 siglongjmp (j, 1);]])],
4713 [emacs_cv_func_sigsetjmp=yes],
4714 [emacs_cv_func_sigsetjmp=no])])
4715 if test $emacs_cv_func_sigsetjmp = yes; then
4716 AC_DEFINE([HAVE_SIGSETJMP], 1,
4717 [Define to 1 if sigsetjmp and siglongjmp work.])
4720 case $emacs_cv_func_sigsetjmp,$emacs_cv_alternate_stack,$opsys in
4721 yes,yes,* | *,*,mingw32)
4722 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4723 [Define to 1 if C stack overflow can be handled in some cases.]);;
4728 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4729 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4730 dnl and this is all we need.
4731 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4738 dnl Used in xfaces.c.
4739 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4740 some systems, where it requires time.h.])
4745 dnl Define symbols to identify the version of Unix this is.
4746 dnl Define all the symbols that apply correctly.
4747 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4748 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4749 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4750 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4755 dnl This symbol should be defined on AIX Version 3 ???????
4756 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4758 # error "_AIX not defined"
4760 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4764 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4768 dnl Not __APPLE__, as this may not be defined on non-macOS Darwin.
4769 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4770 dnl distinguish macOS from pure Darwin.
4771 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4774 gnu-linux | gnu-kfreebsd )
4776 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4781 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4785 AC_DEFINE(DOS_NT, [])
4786 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4787 if test "x$ac_enable_checking" != "x" ; then
4788 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4794 AC_DEFINE(USG5_4, [])
4795 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4800 AC_DEFINE(USG5_4, [])
4804 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4807 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4808 emacs_cv_usable_FIONREAD=no
4812 emacs_cv_usable_FIONREAD=yes
4817 [AC_LANG_PROGRAM([[#include <sys/types.h>
4818 #include <sys/ioctl.h>
4820 # include <sys/filio.h>
4823 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4824 [emacs_cv_usable_FIONREAD=yes],
4825 [emacs_cv_usable_FIONREAD=no])
4828 if test $emacs_cv_usable_FIONREAD = yes; then
4829 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4831 if test $emacs_broken_SIGIO = no; then
4832 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4834 [AC_LANG_PROGRAM([[#include <fcntl.h>
4837 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4838 [emacs_cv_usable_SIGIO=yes],
4839 [emacs_cv_usable_SIGIO=no])],
4840 [emacs_cv_usable_SIGIO=yes],
4841 [emacs_cv_usable_SIGIO=no])
4842 if test $emacs_cv_usable_SIGIO = yes; then
4843 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4850 dnl It works to open the pty's tty in the parent (Emacs), then
4851 dnl close and reopen it in the child.
4852 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4853 works to open a pty's tty in the parent process, then close and
4854 reopen it in the child.])
4858 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4863 # Set up the CFLAGS for real compilation, so we can substitute it.
4864 CFLAGS="$REAL_CFLAGS"
4865 CPPFLAGS="$REAL_CPPFLAGS"
4868 ## Hack to detect a buggy GCC version.
4869 if test "$GCC" = yes && \
4870 $CC --version 2> /dev/null | grep 'gcc.* 4.5.0' >/dev/null; then
4872 *-fno-optimize-sibling-calls*) ;;
4874 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS.]);;
4878 version=$PACKAGE_VERSION
4880 copyright="Copyright (C) 2017 Free Software Foundation, Inc."
4881 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4882 [Short copyright string for this version of Emacs.])
4885 ### Specify what sort of things we'll be editing into Makefile and config.h.
4886 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4888 AC_SUBST(configuration)
4893 AC_SUBST(exec_prefix)
4896 AC_SUBST(sharedstatedir)
4897 AC_SUBST(libexecdir)
4901 AC_SUBST(standardlisppath)
4902 AC_SUBST(locallisppath)
4904 AC_SUBST(x_default_search_path)
4906 AC_SUBST(archlibdir)
4912 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4913 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4914 ## end of LIBX_BASE, but nothing ever set it.
4915 AC_SUBST(LD_SWITCH_X_SITE)
4916 AC_SUBST(C_SWITCH_X_SITE)
4917 AC_SUBST(GNUSTEP_CFLAGS)
4919 ## Used in lwlib/Makefile.in.
4920 AC_SUBST(X_TOOLKIT_TYPE)
4922 AC_SUBST(ns_appbindir)
4923 AC_SUBST(ns_appresdir)
4925 AC_SUBST(GNU_OBJC_CFLAGS)
4926 AC_SUBST(OTHER_FILES)
4928 if test -n "${term_header}"; then
4929 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4930 [Define to the header for the built-in window system.])
4933 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4934 [Define to the canonical Emacs configuration name.])
4935 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4936 [Define to the options passed to configure.])
4941 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4942 AC_DEFINE(HAVE_X_WINDOWS, 1,
4943 [Define to 1 if you want to use the X window system.])
4945 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4947 if test "$HAVE_CAIRO" = "yes"; then
4948 FONT_OBJ="ftfont.o ftcrfont.o"
4949 elif test "$HAVE_XFT" = "yes"; then
4950 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4951 elif test "$HAVE_FREETYPE" = "yes"; then
4952 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4962 if test "${USE_X_TOOLKIT}" != "none" ; then
4964 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4965 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4966 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4967 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4968 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4972 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4973 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4977 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4978 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4979 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4983 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4984 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4987 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4990 AC_SUBST(WIDGET_OBJ)
4993 case "$USE_X_TOOLKIT" in
4994 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4995 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4996 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4998 if test "$HAVE_XWIDGETS" = "yes"; then
4999 TOOLKIT_LIBW="$TOOLKIT_LIBW -lXcomposite"
5001 AC_SUBST(TOOLKIT_LIBW)
5003 if test "${opsys}" != "mingw32"; then
5004 if test "$USE_X_TOOLKIT" = "none"; then
5005 LIBXT_OTHER="\$(LIBXSM)"
5007 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
5010 AC_SUBST(LIBXT_OTHER)
5012 if test "${HAVE_X11}" = "yes" ; then
5013 AC_DEFINE(HAVE_X11, 1,
5014 [Define to 1 if you want to use version 11 of X windows.])
5015 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
5019 AC_SUBST(LIBX_OTHER)
5021 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
5023 elif test "$USE_X_TOOLKIT" = none; then
5024 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
5026 LIBXMENU='$(lwlibdir)/liblw.a'
5030 AC_CACHE_CHECK([for struct alignment],
5031 [emacs_cv_struct_alignment],
5033 [AC_LANG_PROGRAM([[#include <stddef.h>
5034 struct __attribute__ ((aligned (8))) s { char c; };
5035 struct t { char c; struct s s; };
5036 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
5038 [emacs_cv_struct_alignment=yes],
5039 [emacs_cv_struct_alignment=no])])
5040 if test "$emacs_cv_struct_alignment" = yes; then
5041 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
5042 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
5043 structure to an N-byte boundary.])
5046 if test "${GNU_MALLOC}" = "yes" ; then
5047 AC_DEFINE(GNU_MALLOC, 1,
5048 [Define to 1 if you want to use the GNU memory allocator.])
5052 if test "${REL_ALLOC}" = "yes" ; then
5053 AC_DEFINE(REL_ALLOC, 1,
5054 [Define REL_ALLOC if you want to use the relocating allocator for
5057 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
5059 AC_SUBST(RALLOC_OBJ)
5061 if test "$opsys" = "cygwin"; then
5062 CYGWIN_OBJ="cygw32.o"
5063 ## Cygwin differs because of its unexec().
5065 POST_ALLOC_OBJ=lastfile.o
5066 elif test "$opsys" = "mingw32"; then
5069 POST_ALLOC_OBJ=lastfile.o
5072 PRE_ALLOC_OBJ=lastfile.o
5075 AC_SUBST(CYGWIN_OBJ)
5076 AC_SUBST(PRE_ALLOC_OBJ)
5077 AC_SUBST(POST_ALLOC_OBJ)
5079 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
5080 dnl verbatim defined above. The tricky name is apropos, as this hack
5081 dnl makes Fortify go sour!
5082 AH_VERBATIM([FORTIFY_SOUR],
5083 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
5084 The workaround disables some useful run-time checking, so it
5085 should be conditional to the platforms with the performance bug.
5086 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
5087 #if defined __APPLE__ && defined __GNUC__
5088 # ifndef _DONT_USE_CTYPE_INLINE_
5089 # define _DONT_USE_CTYPE_INLINE_
5091 # ifndef _FORTIFY_SOURCE
5092 # define _FORTIFY_SOURCE 0
5097 # If user asks to omit features, disable optional features that gnulib
5098 # might otherwise enable.
5099 if test "$with_features" = no && test "$enable_acl" != yes; then
5103 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
5104 # it temporarily reverts them to their pre-pkg-config values,
5105 # because gnulib needs to work with both src (which uses the
5106 # pkg-config stuff) and lib-src (which does not). For example, gnulib
5107 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
5108 # and it therefore needs to run in an environment where LIBS does not
5109 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
5110 # for some package unrelated to lib-src.
5113 CFLAGS=$pre_PKG_CONFIG_CFLAGS
5114 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
5115 gl_ASSERT_NO_GNULIB_POSIXCHECK
5116 gl_ASSERT_NO_GNULIB_TESTS
5121 if test "${opsys}" = "mingw32"; then
5122 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
5123 # Remove unneeded switches from the value of CC that goes to Makefiles
5124 CC=`AS_ECHO(["$CC"]) | sed -e "s,$GCC_TEST_OPTIONS,,"`
5128 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
5130 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
5133 ## The -headerpad option tells ld (see man page) to leave room at the
5134 ## end of the header for adding load commands. Needed for dumping.
5135 ## 0x1000 is enough for roughly 52 load commands on the x86_64
5136 ## architecture (where they are 78 bytes each). The actual number of
5137 ## load commands added is not consistent but normally ranges from
5138 ## about 14 to about 34. Setting it high gets us plenty of slop and
5139 ## only costs about 1.5K of wasted binary space.
5140 headerpad_extra=1000
5141 if test "$HAVE_NS" = "yes"; then
5142 libs_nsgui="-framework AppKit"
5143 if test "$NS_IMPL_COCOA" = "yes"; then
5144 libs_nsgui="$libs_nsgui -framework IOKit"
5149 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
5151 ## This is here because src/Makefile.in did some extra fiddling around
5152 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
5153 ## LD_SWITCH_SYSTEM_TEMACS instead,
5154 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
5155 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5158 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5159 ## find X at run-time.
5160 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5161 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5162 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5163 ## had different values in configure (in ac_link) and src/Makefile.in.
5164 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5165 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5168 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5169 case "$canonical" in
5170 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5171 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5175 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5178 # -no-pie or -nopie fixes a temacs segfault on Gentoo, OpenBSD,
5179 # Ubuntu, and other systems with "hardened" GCC configurations for
5180 # some reason (Bug#18784). We don't know why this works, but not
5181 # segfaulting is better than segfaulting. Use ac_c_werror_flag=yes
5182 # when trying the option, otherwise clang keeps warning that it does
5183 # not understand it, and pre-4.6 GCC has a similar problem
5184 # (Bug#20338). Prefer -no-pie to -nopie, as -no-pie is the
5185 # spelling used by GCC 6.1.0 and later (Bug#24682).
5187 [for $CC option to disable position independent executables],
5188 [emacs_cv_prog_cc_no_pie],
5189 [emacs_save_c_werror_flag=$ac_c_werror_flag
5190 emacs_save_LDFLAGS=$LDFLAGS
5191 ac_c_werror_flag=yes
5192 for emacs_cv_prog_cc_no_pie in -no-pie -nopie no; do
5193 test $emacs_cv_prog_cc_no_pie = no && break
5194 LDFLAGS="$emacs_save_LDFLAGS $emacs_cv_prog_cc_no_pie"
5195 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [break])
5197 ac_c_werror_flag=$emacs_save_c_werror_flag
5198 LDFLAGS=$emacs_save_LDFLAGS])
5199 if test "$emacs_cv_prog_cc_no_pie" != no; then
5200 LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS $emacs_cv_prog_cc_no_pie"
5203 if test x$ac_enable_profiling != x ; then
5205 *freebsd | gnu-linux) ;;
5206 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5210 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5212 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5214 ## Common for all window systems
5215 if test "$window_system" != "none"; then
5216 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5217 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5218 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5221 AC_SUBST(WINDOW_SYSTEM_OBJ)
5223 AH_TOP([/* GNU Emacs site configuration template file.
5225 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2017
5226 Free Software Foundation, Inc.
5228 This file is part of GNU Emacs.
5230 GNU Emacs is free software: you can redistribute it and/or modify
5231 it under the terms of the GNU General Public License as published by
5232 the Free Software Foundation, either version 3 of the License, or (at
5233 your option) any later version.
5235 GNU Emacs is distributed in the hope that it will be useful,
5236 but WITHOUT ANY WARRANTY; without even the implied warranty of
5237 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5238 GNU General Public License for more details.
5240 You should have received a copy of the GNU General Public License
5241 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5244 /* No code in Emacs #includes config.h twice, but some bits of code
5245 intended to work with other packages as well (like gmalloc.c)
5246 think they can include it as many times as they like. */
5247 #ifndef EMACS_CONFIG_H
5248 #define EMACS_CONFIG_H
5251 AH_BOTTOM([#include <conf_post.h>
5253 #endif /* EMACS_CONFIG_H */
5262 #### Report on what we decided to do.
5263 #### Report GTK as a toolkit, even if it doesn't use Xt.
5264 #### It makes printing result more understandable as using GTK sets
5265 #### toolkit_scroll_bars to yes by default.
5266 if test "${HAVE_GTK}" = "yes"; then
5267 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5270 if test $USE_ACL -ne 0; then
5271 ACL_SUMMARY="yes $LIB_ACL"
5276 emacs_standard_dirs='Standard dirs'
5278 Configured for '${canonical}'.
5280 Where should the build process find the source code? ${srcdir}
5281 What compiler should emacs be built with? ${CC} ${CFLAGS}
5282 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5283 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5284 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5285 What window system should Emacs use? ${window_system}
5286 What toolkit should Emacs use? ${USE_X_TOOLKIT}
5287 Where do we find X Windows header files? ${x_includes:-$emacs_standard_dirs}
5288 Where do we find X Windows libraries? ${x_libraries:-$emacs_standard_dirs}"])
5291 emacs_config_features=
5292 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS \
5293 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5294 LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS X_TOOLKIT X11 NS MODULES \
5295 XWIDGETS LIBSYSTEMD CANNOT_DUMP; do
5298 CANNOT_DUMP) eval val=\${$opt} ;;
5299 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5300 TOOLKIT_SCROLL_BARS|X_TOOLKIT) eval val=\${USE_$opt} ;;
5301 *) eval val=\${HAVE_$opt} ;;
5304 xno|xnone|x) continue ;;
5309 GTK*|LUCID|MOTIF) opt=$val ;;
5314 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5317 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5318 [Summary of some of the main features enabled by configure.])
5320 AS_ECHO([" Does Emacs use -lXaw3d? ${HAVE_XAW3D}
5321 Does Emacs use -lXpm? ${HAVE_XPM}
5322 Does Emacs use -ljpeg? ${HAVE_JPEG}
5323 Does Emacs use -ltiff? ${HAVE_TIFF}
5324 Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF
5325 Does Emacs use a png library? ${HAVE_PNG} $LIBPNG
5326 Does Emacs use -lrsvg-2? ${HAVE_RSVG}
5327 Does Emacs use cairo? ${HAVE_CAIRO}
5328 Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}
5329 Does Emacs support sound? ${HAVE_SOUND}
5330 Does Emacs use -lgpm? ${HAVE_GPM}
5331 Does Emacs use -ldbus? ${HAVE_DBUS}
5332 Does Emacs use -lgconf? ${HAVE_GCONF}
5333 Does Emacs use GSettings? ${HAVE_GSETTINGS}
5334 Does Emacs use a file notification library? ${NOTIFY_SUMMARY}
5335 Does Emacs use access control lists? ${ACL_SUMMARY}
5336 Does Emacs use -lselinux? ${HAVE_LIBSELINUX}
5337 Does Emacs use -lgnutls? ${HAVE_GNUTLS}
5338 Does Emacs use -lxml2? ${HAVE_LIBXML2}
5339 Does Emacs use -lfreetype? ${HAVE_FREETYPE}
5340 Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}
5341 Does Emacs use -lotf? ${HAVE_LIBOTF}
5342 Does Emacs use -lxft? ${HAVE_XFT}
5343 Does Emacs use -lsystemd? ${HAVE_LIBSYSTEMD}
5344 Does Emacs directly use zlib? ${HAVE_ZLIB}
5345 Does Emacs have dynamic modules support? ${HAVE_MODULES}
5346 Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}
5347 Does Emacs support Xwidgets (requires gtk3)? ${HAVE_XWIDGETS}
5348 Does Emacs have threading support in lisp? ${threads_enabled}
5351 if test -n "${EMACSDATA}"; then
5352 AS_ECHO([" Environment variable EMACSDATA set to: $EMACSDATA"])
5354 if test -n "${EMACSDOC}"; then
5355 AS_ECHO([" Environment variable EMACSDOC set to: $EMACSDOC"])
5360 if test "$HAVE_NS" = "yes"; then
5362 AS_ECHO(["You must run \"${MAKE-make} install\" in order to test the built application.
5363 The installed application will go to nextstep/Emacs.app and can be
5364 run or moved from there."])
5365 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5366 echo "The application will be fully self-contained."
5368 AS_ECHO(["The lisp resources for the application will be installed under ${prefix}.
5369 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5370 to run if these resources are not installed."])
5375 if test "${opsys}" = "cygwin"; then
5377 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5383 # Remove any trailing slashes in these variables.
5385 */) prefix=`AS_DIRNAME(["$prefix."])`;;
5387 case $exec_prefix in
5388 */) exec_prefix=`AS_DIRNAME(["$exec_prefix."])`;;
5391 if test "$HAVE_NS" = "yes"; then
5392 if test "$NS_IMPL_GNUSTEP" = yes; then
5393 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5394 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5395 ns_check_file=Resources/Info-gnustep.plist
5397 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5398 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5399 ns_check_file=Contents/Info.plist
5401 AC_SUBST(ns_check_file)
5404 dnl config.status treats $srcdir specially, so I think this is ok...
5405 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5407 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5408 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5409 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5410 dnl (else you get "no 'Makefile.am' found for any configure output").
5411 dnl This will work, but you get a config.status that is not quite right
5412 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5413 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5414 dnl it seems better to just live with the duplication.
5415 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5417 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5418 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5419 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5420 leim/Makefile nextstep/Makefile nt/Makefile])
5422 dnl test/ is not present in release tarfiles.
5423 opt_makefile=test/Makefile
5425 if test -f "$srcdir/$opt_makefile.in"; then
5426 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5427 dnl Again, it's best not to use a variable. Though you can add
5428 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5429 AC_CONFIG_FILES([test/Makefile])
5433 dnl The admin/ directory used to be excluded from tarfiles.
5434 if test -d $srcdir/admin; then
5435 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/charsets/Makefile admin/unidata/Makefile admin/grammars/Makefile"
5436 AC_CONFIG_FILES([admin/charsets/Makefile])
5437 AC_CONFIG_FILES([admin/unidata/Makefile])
5438 AC_CONFIG_FILES([admin/grammars/Makefile])
5442 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5444 AC_SUBST(SUBDIR_MAKEFILES_IN)
5446 dnl You might wonder (I did) why epaths.h is generated by running make,
5447 dnl rather than just letting configure generate it from epaths.in.
5448 dnl One reason is that the various paths are not fully expanded (see above);
5449 dnl eg gamedir=${prefix}/var/games/emacs.
5450 dnl Secondly, the GNU Coding standards require that one should be able
5451 dnl to run 'make prefix=/some/where/else' and override the values set
5452 dnl by configure. This also explains the 'move-if-change' test and
5453 dnl the use of force in the 'epaths-force' rule in Makefile.in.
5454 AC_CONFIG_COMMANDS([src/epaths.h], [
5455 if test "${opsys}" = "mingw32"; then
5456 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5458 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5459 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5460 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5462 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5463 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5465 AC_CONFIG_COMMANDS([src/.gdbinit], [
5466 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5467 AS_ECHO(["source $ac_abs_top_srcdir/src/.gdbinit"]) > src/.gdbinit
5471 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5472 dnl See comments for etc-refcards-emacsver.tex.
5473 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5474 dnl it is not quite the same. But we are generating in $srcdir.
5475 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5476 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5477 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5480 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5481 dnl then a directory etc/refcards is created in the build directory,
5482 dnl which is probably harmless, but confusing (in out-of-tree builds).
5483 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5484 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5485 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5486 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5487 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5492 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])