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, 1999-2016 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 25.1.50, 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 (OS X Cocoa or GNUstep) windowing system.
347 On by default on Mac OS X.])],[],[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])
359 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
360 [use a file notification library (LIB one of: yes, inotify, kqueue, gfile, w32, no)])],
361 [ case "${withval}" in
362 y | ye | yes ) val=yes ;;
364 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
365 k | kq | kqu | kque | kqueu | kqueue ) val=kqueue ;;
366 g | gf | gfi | gfil | gfile ) val=gfile ;;
367 w | w3 | w32 ) val=w32 ;;
368 * ) AC_MSG_ERROR(['--with-file-notification=$withval' is invalid;
369 this option's value should be 'yes', 'no', 'inotify', 'kqueue', 'gfile' or 'w32'.
370 'yes' is a synonym for 'w32' on MS-Windows, for 'no' on Nextstep,
371 otherwise for the first of 'inotify', 'kqueue' or 'gfile' that is usable.])
374 with_file_notification=$val
376 [with_file_notification=$with_features])
378 OPTION_DEFAULT_OFF([xwidgets],
379 [enable use of some gtk widgets in Emacs buffers (requires gtk3)])
381 ## For the times when you want to build Emacs but don't have
382 ## a suitable makeinfo, and can live without the manuals.
383 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
384 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
386 ## This might be a 'configure' arg.
387 AC_SUBST([ACLOCAL_PATH])
389 ## Makefile.in needs the cache file name.
392 ## This is an option because I do not know if all info/man support
393 ## compressed files, nor how to test if they do so.
394 OPTION_DEFAULT_ON([compress-install],
395 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
396 make GZIP_PROG= install])
398 AC_ARG_WITH(gameuser,dnl
399 [AS_HELP_STRING([--with-gameuser=USER_OR_GROUP],
400 [user for shared game score files.
401 An argument prefixed by ':' specifies a group instead.])])
404 # We don't test if we can actually chown/chgrp here, because configure
405 # may run without root privileges. lib-src/Makefile.in will handle
406 # any errors due to missing user/group gracefully.
407 case ${with_gameuser} in
409 "" | yes) gamegroup=games ;;
410 :*) gamegroup=${with_gameuser#:} ;;
411 *) gameuser=${with_gameuser} ;;
414 AC_ARG_WITH([gnustep-conf],dnl
415 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
416 [name of GNUstep configuration file to use on systems where the command
417 'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or
418 /etc/GNUstep/GNUstep.conf])])
419 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
420 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
421 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
422 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
424 AC_ARG_ENABLE(ns-self-contained,
425 [AS_HELP_STRING([--disable-ns-self-contained],
426 [disable self contained build under NeXTstep])],
427 EN_NS_SELF_CONTAINED=$enableval,
428 EN_NS_SELF_CONTAINED=yes)
431 AC_ARG_ENABLE(locallisppath,
432 [AS_HELP_STRING([--enable-locallisppath=PATH],
433 [directories Emacs should search for lisp files specific
435 if test "${enableval}" = "no"; then
437 elif test "${enableval}" != "yes"; then
438 locallisppath=${enableval} locallisppathset=yes
441 AC_ARG_ENABLE(checking,
442 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
443 [enable expensive run-time checks. With LIST,
444 enable only specific categories of checks.
445 Categories are: all,yes,no.
446 Flags are: stringbytes, stringoverrun, stringfreelist,
447 xmallocoverrun, conslist, glyphs])],
448 [ac_checking_flags="${enableval}"],[])
449 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
450 for check in $ac_checking_flags
453 # these set all the flags to specific states
454 yes) ac_enable_checking=1 ;;
455 no) ac_enable_checking= ;
456 ac_gc_check_stringbytes= ;
457 ac_gc_check_string_overrun= ;
458 ac_gc_check_string_free_list= ;
459 ac_xmalloc_overrun= ;
460 ac_gc_check_cons_list= ;
462 all) ac_enable_checking=1 ;
463 ac_gc_check_stringbytes=1 ;
464 ac_gc_check_string_overrun=1 ;
465 ac_gc_check_string_free_list=1 ;
466 ac_xmalloc_overrun=1 ;
467 ac_gc_check_cons_list=1 ;
469 # these enable particular checks
470 stringbytes) ac_gc_check_stringbytes=1 ;;
471 stringoverrun) ac_gc_check_string_overrun=1 ;;
472 stringfreelist) ac_gc_check_string_free_list=1 ;;
473 xmallocoverrun) ac_xmalloc_overrun=1 ;;
474 conslist) ac_gc_check_cons_list=1 ;;
475 glyphs) ac_glyphs_debug=1 ;;
476 *) AC_MSG_ERROR(unknown check category $check) ;;
481 if test x$ac_enable_checking != x ; then
482 AC_DEFINE(ENABLE_CHECKING, 1,
483 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
485 if test x$ac_gc_check_stringbytes != x ; then
486 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
487 [Define this temporarily to hunt a bug. If defined, the size of
488 strings is redundantly recorded in sdata structures so that it can
489 be compared to the sizes recorded in Lisp strings.])
491 if test x$ac_gc_check_string_overrun != x ; then
492 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
493 [Define this to check for short string overrun.])
495 if test x$ac_gc_check_string_free_list != x ; then
496 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
497 [Define this to check the string free list.])
499 if test x$ac_xmalloc_overrun != x ; then
500 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
501 [Define this to check for malloc buffer overrun.])
503 if test x$ac_gc_check_cons_list != x ; then
504 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
505 [Define this to check for errors in cons list.])
507 if test x$ac_glyphs_debug != x ; then
508 AC_DEFINE(GLYPH_DEBUG, 1,
509 [Define this to enable glyphs debugging code.])
512 AC_ARG_ENABLE(check-lisp-object-type,
513 [AS_HELP_STRING([--enable-check-lisp-object-type],
514 [enable compile time checks for the Lisp_Object data type.
515 This is useful for development for catching certain types of bugs.])],
516 if test "${enableval}" != "no"; then
517 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
518 [Define this to enable compile time checks for the Lisp_Object data type.])
522 dnl The name of this option is unfortunate. It predates, and has no
523 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
524 dnl Actually, it stops it working.
525 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
526 AC_ARG_ENABLE(profiling,
527 [AS_HELP_STRING([--enable-profiling],
528 [build emacs with low-level, gprof profiling support.
529 Mainly useful for debugging Emacs itself. May not work on
530 all platforms. Stops profiler.el working.])],
531 [ac_enable_profiling="${enableval}"],[])
532 if test x$ac_enable_profiling != x ; then
533 PROFILING_CFLAGS="-DPROFILING=1 -pg"
537 AC_SUBST(PROFILING_CFLAGS)
539 AC_ARG_ENABLE(autodepend,
540 [AS_HELP_STRING([--enable-autodepend],
541 [automatically generate dependencies to .h-files.
542 Requires gcc, enabled if found.])],
543 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
545 AC_ARG_ENABLE(gtk-deprecation-warnings,
546 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
547 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
548 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
551 AC_ARG_ENABLE([build-details],
552 [AS_HELP_STRING([--disable-build-details],
553 [Make the build more deterministic by omitting host
554 names, time stamps, etc. from the output.])],
555 [test "$enableval" = no && BUILD_DETAILS=--no-build-details])
556 AC_SUBST([BUILD_DETAILS])
558 dnl This used to use changequote, but, apart from 'changequote is evil'
559 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
560 dnl the great gob of text. Thus it's not processed for possible expansion.
561 dnl Just make sure the brackets remain balanced.
563 dnl Since Emacs can't find matching pairs of quotes, boundaries are
564 dnl indicated by comments.
568 ### If you add support for a new configuration, add code to this
569 ### switch statement to recognize your configuration name and select
570 ### the appropriate opsys.
572 ### As far as handling version numbers on operating systems is
573 ### concerned, make sure things will fail in a fixable way. If
574 ### /etc/MACHINES doesn't say anything about version numbers, be
575 ### prepared to handle anything reasonably. If version numbers
576 ### matter, be sure /etc/MACHINES says something about it.
579 case "${canonical}" in
581 ## GNU/Linux and similar ports
596 ## FreeBSD kernel + glibc based userland
607 *-*-openbsd* | *-*-mirbsd* )
611 ## Apple Darwin / Mac OS X
613 case "${canonical}" in
614 *-apple-darwin[0-9].*) unported=yes ;;
615 i[3456]86-* | x86_64-* ) ;;
619 ## FIXME: Find a way to use Fink if available (Bug#11507).
622 ## Chromium Native Client
632 ## HP 9000 series 700 and 800, running HP/UX
636 hppa*-hp-hpux1[1-9]* )
638 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
642 rs6000-ibm-aix4.[23]* )
645 powerpc-ibm-aix4.[23]* )
648 rs6000-ibm-aix[56]* )
651 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
657 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
658 | x86_64-*-solaris2* | x86_64-*-sunos5*)
659 case "${canonical}" in
661 amd64-*-*|x86_64-*-*) ;;
665 case "${canonical}" in
666 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
668 emacs_check_sunpro_c=yes
670 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
671 ## Note that Emacs 23.1's NEWS said the following would be dropped.
672 *-sunos5.6* | *-solaris2.6* )
676 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
677 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
679 emacs_check_sunpro_c=yes
682 ## Watch out for a compiler that we know will not work.
683 case "${canonical}" in
684 *-solaris* | *-sunos5* )
685 if [ "x$CC" = x/usr/ucb/cc ]; then
686 ## /usr/ucb/cc doesn't work;
687 ## we should find some other compiler that does work.
695 ## Intel 386 machines where we don't care about the manufacturer.
697 case "${canonical}" in
698 *-darwin* ) opsys=darwin ;;
701 # MinGW overrides and adds some system headers in nt/inc.
702 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
704 *-sysv4.2uw* ) opsys=unixware ;;
705 *-sysv5uw* ) opsys=unixware ;;
706 *-sysv5OpenUNIX* ) opsys=unixware ;;
707 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
713 case "${canonical}" in
716 # MinGW overrides and adds some system headers in nt/inc.
717 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
719 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
728 ### If the code above didn't choose an operating system, just choose
729 ### an operating system based on the configuration name. You really
730 ### only want to use this when you have no idea what the right
731 ### operating system is; if you know what operating systems a machine
732 ### runs, it's cleaner to make it explicit in the case statement
734 if test x"${opsys}" = x; then
735 case "${canonical}" in
736 *-gnu* ) opsys=gnu ;;
746 if test $unported = yes; then
747 AC_MSG_ERROR([Emacs does not support '${canonical}' systems.
748 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
749 Check 'etc/MACHINES' for recognized configuration names.])
752 #### Choose a compiler.
754 dnl Don't bother to test for C89.
755 AC_DEFUN([_AC_PROG_CC_C89], [$2])
757 dnl Sets GCC=yes if using gcc.
758 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
759 if test -n "$XCRUN"; then
760 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
761 test -n "$AR" && export AR
764 dnl Emacs needs C99 or later.
769 if test x$GCC = xyes; then
770 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
773 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
774 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
775 dnl that clash with MinGW.
776 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
778 # Skip gnulib's tests for flexible array members, as Emacs assumes C99.
779 AC_DEFUN([AC_C_FLEXIBLE_ARRAY_MEMBER])
780 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
781 AC_DEFUN([gl_CRYPTO_CHECK])
782 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
783 # as we don't use them.
784 AC_DEFUN([gl_FCNTL_O_FLAGS])
785 # Avoid gnulib's test for pthread_sigmask.
787 for func in $ac_func_list; do
788 test $func = pthread_sigmask || AS_VAR_APPEND([funcs], [" $func"])
791 # Use the system putenv even if it lacks GNU features, as we don't need them,
792 # and the gnulib replacement runs afoul of a FreeBSD 10.1 bug; see Bug#19874.
793 AC_CHECK_FUNCS_ONCE([putenv])
794 AC_DEFUN([gl_FUNC_PUTENV],
795 [test "$ac_cv_func_putenv" = yes || REPLACE_PUTENV=1])
797 # Initialize gnulib right after choosing the compiler.
798 dnl Amongst other things, this sets AR and ARFLAGS.
801 if test "$ac_test_CFLAGS" != set; then
802 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
803 # if -g3 works and the user does not specify CFLAGS.
804 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
807 emacs_g3_CFLAGS='-g3';;
809 emacs_g3_CFLAGS='-g3 -O2';;
813 if test -n "$emacs_g3_CFLAGS"; then
814 emacs_save_CFLAGS=$CFLAGS
815 CFLAGS=$emacs_g3_CFLAGS
816 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
817 [emacs_cv_prog_cc_g3],
818 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
819 [emacs_cv_prog_cc_g3=yes],
820 [emacs_cv_prog_cc_g3=no])])
821 if test $emacs_cv_prog_cc_g3 != yes; then
822 CFLAGS=$emacs_save_CFLAGS
824 if test $opsys = mingw32; then
825 CFLAGS="$CFLAGS -gdwarf-2"
832 # No optimization flag was inferred for this non-GCC compiler.
833 # Try -O. This is needed for xlc on AIX; see Bug#14258.
834 emacs_save_CFLAGS=$CFLAGS
835 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
837 AC_CACHE_CHECK([whether $CC accepts -O],
838 [emacs_cv_prog_cc_o],
839 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
840 [emacs_cv_prog_cc_o=yes],
841 [emacs_cv_prog_cc_o=no])])
842 if test $emacs_cv_prog_cc_o != yes; then
843 CFLAGS=$emacs_save_CFLAGS
848 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
849 # ---------------------------------------------------------------------------
850 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
851 # Otherwise, run RUN-IF-NOT-FOUND.
852 AC_DEFUN([gl_GCC_VERSION_IFELSE],
856 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
859 # error "your version of gcc is older than $1.$2"
866 AC_ARG_ENABLE([gcc-warnings],
867 [AS_HELP_STRING([--enable-gcc-warnings@<:@=TYPE@:>@],
868 [control generation of GCC warnings. The TYPE 'yes'
869 means to fail if any warnings are issued; 'warn-only'
870 means issue warnings without failing (default for
871 developer builds); 'no' means disable warnings
872 (default for non-developer builds).])],
875 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
877 gl_gcc_warnings=$enableval],
878 [# By default, use 'warn-only' if it looks like the invoker of 'configure'
879 # is a developer as opposed to a builder. This is most likely true
880 # if GCC is recent enough and there is a .git directory or file;
881 # however, if there is also a .tarball-version file it is probably
882 # just a release imported into Git for patch management.
884 if test -e "$srcdir"/.git && test ! -f "$srcdir"/.tarball-version; then
885 gl_GCC_VERSION_IFELSE([5], [3], [gl_gcc_warnings=warn-only])]
889 # clang is unduly picky about some things.
890 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
897 [emacs_cv_clang=yes],
898 [emacs_cv_clang=no])])
900 # When compiling with GCC, prefer -isystem to -I when including system
901 # include files, to avoid generating useless diagnostics for the files.
902 AS_IF([test $gl_gcc_warnings = no],
905 AS_IF([test "$emacs_cv_clang" = yes],
907 # Turn off some warnings if supported.
908 gl_WARN_ADD([-Wno-switch])
909 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
910 gl_WARN_ADD([-Wno-pointer-sign])
911 gl_WARN_ADD([-Wno-string-plus-int])
912 gl_WARN_ADD([-Wno-unknown-attributes])
917 # This, $nw, is the list of warnings we disable.
920 case $with_x_toolkit in
921 lucid | athena | motif)
922 # Old toolkits mishandle 'const'.
923 nw="$nw -Wwrite-strings"
926 AS_IF([test $gl_gcc_warnings = yes],
927 [gl_WARN_ADD([-Werror], [WERROR_CFLAGS])])
928 AC_SUBST([WERROR_CFLAGS])
930 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
931 nw="$nw -Woverlength-strings" # Not a problem these days
932 nw="$nw -Wformat-nonliteral" # we do this a lot
933 nw="$nw -Wvla" # Emacs uses <vla.h>.
934 nw="$nw -Wswitch-default" # Too many warnings for now
935 nw="$nw -Wunused-const-variable=2" # lisp.h declares const objects.
936 nw="$nw -Winline" # OK to ignore 'inline'
937 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
938 # signed overflow has undefined behavior
939 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
940 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
941 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
943 # Emacs doesn't care about shadowing; see
944 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
947 # Emacs's use of alloca inhibits protecting the stack.
948 nw="$nw -Wstack-protector"
950 # Emacs's use of partly-const functions such as Fgnutls_available_p
951 # make this option problematic.
952 nw="$nw -Wsuggest-attribute=const"
954 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
955 # option problematic.
956 nw="$nw -Wsuggest-attribute=pure"
958 # This part is merely for shortening the command line,
959 # since -Wall implies -Wswitch.
962 # This part is merely for shortening the command line,
963 # since -Wno-FOO needs to be added below regardless.
964 nw="$nw -Wmissing-field-initializers"
965 nw="$nw -Wtype-limits"
966 nw="$nw -Wunused-parameter"
968 if test $emacs_cv_clang = yes; then
969 nw="$nw -Wcast-align"
972 # This causes too much noise in the MinGW build
973 if test $opsys = mingw32; then
974 nw="$nw -Wpointer-sign"
977 gl_MANYWARN_ALL_GCC([ws])
978 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
982 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
983 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
984 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
985 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
986 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
987 gl_WARN_ADD([-Wno-format-nonliteral])
989 # More things that clang is unduly picky about.
990 if test $emacs_cv_clang = yes; then
991 gl_WARN_ADD([-Wno-tautological-compare])
992 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
995 # This causes too much noise in the MinGW build
996 if test $opsys = mingw32; then
997 gl_WARN_ADD([-Wno-pointer-sign])
1000 AC_DEFINE([GCC_LINT], [1], [Define to 1 if --enable-gcc-warnings.])
1001 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
1002 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
1003 [/* Enable compile-time and run-time bounds-checking, and some warnings,
1004 without upsetting glibc 2.15+. */
1005 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
1006 && defined __OPTIMIZE__ && __OPTIMIZE__)
1007 # define _FORTIFY_SOURCE 2
1011 # We use a slightly smaller set of warning options for lib/.
1012 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
1014 nw="$nw -Wunused-macros"
1016 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1017 AC_SUBST([GNULIB_WARN_CFLAGS])
1027 AC_ARG_ENABLE(link-time-optimization,
1028 [AS_HELP_STRING([--enable-link-time-optimization],
1029 [build emacs with link-time optimization.
1030 This requires GCC 4.5.0 or later, or clang.
1031 (Note that clang support is experimental - see INSTALL.)
1032 It also makes Emacs harder to debug, and when we tried it
1033 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
1034 recommended for typical use.])],
1035 if test "${enableval}" != "no"; then
1037 if test $emacs_cv_clang = yes; then
1038 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
1039 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
1040 if test -x "$GOLD_PLUGIN"; then
1043 elif test x$GCC = xyes; then
1044 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
1045 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
1046 if test x$CPUS != x; then
1052 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1054 if test -z "$LTO"; then
1058 CFLAGS="$CFLAGS $LTO"
1059 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1060 [ac_lto_supported=yes], [ac_lto_supported=no])
1061 CFLAGS="$old_CFLAGS"
1063 AC_MSG_RESULT([$ac_lto_supported])
1064 if test "$ac_lto_supported" = "yes"; then
1065 CFLAGS="$CFLAGS $LTO"
1066 if test x$emacs_cv_clang = xyes; then
1067 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1068 # WARNING: 'ar --plugin ...' doesn't work without
1069 # command, so plugin name is appended to ARFLAGS.
1070 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1071 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1073 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1074 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1075 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1076 dnl dump core on Fedora 20, so play it safe for now.
1077 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1078 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1083 dnl Prefer silent make output. For verbose output, use
1084 dnl 'configure --disable-silent-rules' or 'make V=1' .
1085 AM_SILENT_RULES([yes])
1086 dnl Port to Automake 1.11.
1087 dnl This section can be removed once we assume Automake 1.14 or later.
1088 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1089 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1091 AM_SUBST_NOTMAKE([AM_V])
1092 AC_SUBST([AM_DEFAULT_V])
1093 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1094 AC_SUBST([AM_DEFAULT_VERBOSITY])
1096 dnl Some other nice autoconf tests.
1097 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1100 dnl if test "x$RANLIB" = x; then
1105 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1106 dnl can be made to directories. This is not relevant for our usage, and
1107 dnl excludes some cases that work fine for us. Eg MS Windows or files
1108 dnl hosted on AFS, both examples where simple links work, but links to
1109 dnl directories fail. We use a cut-down version instead.
1112 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1113 rm -f conf$$ conf$$.file
1115 LN_S_FILEONLY='cp -p'
1117 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1118 dnl random program in the current directory.
1119 if (echo >conf$$.file) 2>/dev/null; then
1120 if ln -s conf$$.file conf$$ 2>/dev/null; then
1121 if test "$opsys" = "mingw32"; then
1122 LN_S_FILEONLY='/bin/ln -s'
1124 LN_S_FILEONLY='ln -s'
1126 elif ln conf$$.file conf$$ 2>/dev/null; then
1127 if test "$opsys" = "mingw32"; then
1128 LN_S_FILEONLY=/bin/ln
1135 rm -f conf$$ conf$$.file
1137 if test "$LN_S_FILEONLY" = "ln -s"; then
1138 AC_MSG_RESULT([yes])
1140 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1143 AC_SUBST(LN_S_FILEONLY)
1146 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1147 dnl doesn't support links to directories, as in "ln file dir". But that
1148 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1149 dnl executables at "make install" time.
1150 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1151 dnl for more details.
1152 if test "$opsys" = "mingw32"; then
1156 dnl On some Debian versions, "install-info" prints irritating messages
1157 dnl "This is not dpkg install-info anymore, but GNU install-info"
1158 dnl if called via an absolute file name.
1159 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1160 dnl Sadly some people may have an old ginstall-info installed on
1161 dnl non-Debian systems, so we can't use this.
1162 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1163 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1165 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1166 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1167 dnl Don't use GZIP, which is used by gzip for additional parameters.
1168 AC_PATH_PROG(GZIP_PROG, gzip)
1170 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1171 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1175 if test $opsys = gnu-linux; then
1176 if test "${SETFATTR+set}" != set; then
1177 AC_CACHE_CHECK([for setfattr],
1178 [emacs_cv_prog_setfattr],
1180 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1181 emacs_cv_prog_setfattr=yes
1183 emacs_cv_prog_setfattr=no
1185 if test "$emacs_cv_prog_setfattr" = yes; then
1186 PAXCTL_notdumped='$(SETFATTR) -n user.pax.flags -v er'
1192 AC_SUBST([SETFATTR])
1195 case $opsys,$PAXCTL_notdumped in
1196 gnu-linux, | netbsd,)
1197 AC_PATH_PROG([PAXCTL], [paxctl], [],
1198 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1199 if test -n "$PAXCTL"; then
1200 if test "$opsys" = netbsd; then
1201 PAXCTL_dumped='$(PAXCTL) +a'
1202 PAXCTL_notdumped=$PAXCTL_dumped
1204 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1205 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1206 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then
1207 AC_MSG_RESULT([yes])
1212 if test -n "$PAXCTL"; then
1213 PAXCTL_dumped='$(PAXCTL) -zex'
1214 PAXCTL_notdumped='$(PAXCTL) -r'
1219 AC_SUBST([PAXCTL_dumped])
1220 AC_SUBST([PAXCTL_notdumped])
1222 ## Need makeinfo >= 4.7 (?) to build the manuals.
1223 if test "$MAKEINFO" != "no"; then
1224 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1227 case `($MAKEINFO --version) 2>/dev/null` in
1228 *' (GNU texinfo) '4.[[7-9]]* | \
1229 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1230 *' (GNU texinfo) '[[5-9]]* | \
1231 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1236 ## Makeinfo is unusual. For a released Emacs, the manuals are
1237 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1238 ## therefore in the category of "special tools" not normally required, which
1239 ## configure does not have to check for (eg autoconf itself).
1240 ## In a repository checkout on the other hand, the manuals are not included.
1241 ## So makeinfo is a requirement to build from the repository, and configure
1242 ## should test for it as it does for any other build requirement.
1243 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1244 ## with pre-built manuals, from a repository checkout.
1247 if test "$MAKEINFO" = "no"; then
1249 if test "x${with_makeinfo}" = "xno"; then
1251 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1252 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1253 source tree does not seem to have pre-built manuals in the 'info' directory.
1254 Either install a suitable version of makeinfo, or re-run configure
1255 with the '--without-makeinfo' option to build without the manuals.] )
1258 AC_SUBST(HAVE_MAKEINFO)
1260 if test $opsys = mingw32; then
1261 DOCMISC_W32=efaq-w32
1265 AC_SUBST(DOCMISC_W32)
1267 dnl Add our options to ac_link now, after it is set up.
1269 if test x$GCC = xyes; then
1270 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1271 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1273 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1274 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1277 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1278 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1279 dnl Treat GCC specially since it just gives a non-fatal 'unrecognized option'
1280 dnl if not built to support GNU ld.
1282 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1283 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1284 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1285 dnl Eg "make LDFLAGS=... all" could run into problems,
1286 dnl http://bugs.debian.org/684788
1287 dnl * unnecessary, since temacs is the only thing that actually needs it.
1288 dnl Indeed this is where it was originally, prior to:
1289 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1290 late_LDFLAGS="$LDFLAGS"
1291 if test x$GCC = xyes; then
1292 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1294 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1297 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1299 AC_MSG_CHECKING([for -znocombreloc])
1300 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1301 [AC_MSG_RESULT(yes)],
1302 LDFLAGS_NOCOMBRELOC=
1303 [AC_MSG_RESULT(no)])
1305 LDFLAGS="$late_LDFLAGS"
1307 AC_CACHE_CHECK([whether addresses are sanitized],
1308 [emacs_cv_sanitize_address],
1311 [[#ifndef __has_feature
1312 #define __has_feature(f) 0
1314 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1316 error "Addresses are not sanitized.";
1319 [emacs_cv_sanitize_address=yes],
1320 [emacs_cv_sanitize_address=no])])
1322 dnl The function dump-emacs will not be defined and temacs will do
1323 dnl (load "loadup") automatically unless told otherwise.
1324 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1326 nacl) CANNOT_DUMP=yes ;;
1329 if test "$CANNOT_DUMP" = "yes"; then
1330 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1331 elif test "$emacs_cv_sanitize_address" = yes; then
1332 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1335 AC_SUBST(CANNOT_DUMP)
1338 UNEXEC_OBJ=unexelf.o
1340 # MSDOS uses unexcoff.o
1342 UNEXEC_OBJ=unexaix.o
1348 UNEXEC_OBJ=unexmacosx.o
1351 UNEXEC_OBJ=unexhp9k800.o
1354 UNEXEC_OBJ=unexw32.o
1357 # Use the Solaris dldump() function, called from unexsol.c, to dump
1358 # emacs, instead of the generic ELF dump code found in unexelf.c.
1359 # The resulting binary has a complete symbol table, and is better
1360 # for debugging and other observability tools (debuggers, pstack, etc).
1362 # If you encounter a problem using dldump(), please consider sending
1363 # a message to the OpenSolaris tools-linking mailing list:
1364 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1366 # It is likely that dldump() works with older Solaris too, but this has
1367 # not been tested, so for now this change is for Solaris 10 or newer.
1368 UNEXEC_OBJ=unexsol.o
1375 ## Let 'ld' find image libs and similar things in /usr/local/lib.
1376 ## The system compiler, GCC, has apparently been modified to not
1377 ## look there, contrary to what a stock GCC would do.
1378 ### It's not our place to do this. See bug#10313#17.
1379 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1384 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1385 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1389 ### It's not our place to do this. See bug#10313#17.
1390 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1395 ## Han Boetes <han@boetes.org> says this is necessary,
1396 ## otherwise Emacs dumps core on elf systems.
1397 LD_SWITCH_SYSTEM="-Z"
1400 AC_SUBST(LD_SWITCH_SYSTEM)
1402 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1404 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1405 ## which has not been defined yet. When this was handled with cpp,
1406 ## it was expanded to null when configure sourced the s/*.h file.
1407 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1408 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1409 ## (or somesuch), but because it is supposed to go at the _front_
1410 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1411 ## Compare with the gnu-linux case below, which added to the end
1412 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1413 ## LD_SWITCH_SYSTEM_TEMACS.
1416 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1423 AC_CHECK_DECL([__ELF__])
1424 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1425 ## With ELF, make sure that all common symbols get allocated to in the
1426 ## data section. Otherwise, the dump of temacs may miss variables in
1427 ## the shared library that have been initialized. For example, with
1428 ## GNU libc, __malloc_initialized would normally be resolved to the
1429 ## shared library's .bss section, which is fatal.
1430 if test "x$GCC" = "xyes"; then
1431 C_SWITCH_MACHINE="-fno-common"
1433 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1436 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1437 dnl albeit under the mistaken assumption that said file
1438 dnl was no longer used.
1439 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1443 AC_SUBST(C_SWITCH_MACHINE)
1445 AC_SUBST(UNEXEC_OBJ)
1448 ## Some programs in src produce warnings saying certain subprograms
1449 ## are too complex and need a MAXMEM value greater than 2000 for
1450 ## additional optimization. --nils@exp-math.uni-essen.de
1451 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1452 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1453 if test "$opsys" = "mingw32"; then
1454 case "$canonical" in
1455 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1456 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1459 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1460 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1461 AC_SUBST(C_SWITCH_SYSTEM)
1466 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1467 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1469 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1471 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1473 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1475 ## Motif needs -lgen.
1476 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1479 AC_SUBST(LIBS_SYSTEM)
1481 ### Make sure subsequent tests use flags consistent with the build flags.
1483 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1484 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1486 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1489 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1490 AC_DEFUN([AC_TYPE_SIZE_T])
1491 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1492 AC_DEFUN([AC_TYPE_UID_T])
1494 # sqrt and other floating-point functions such as fmod and frexp
1495 # are found in -lm on many systems.
1497 AC_SEARCH_LIBS([sqrt], [m])
1498 if test "X$LIBS" = "X$OLD_LIBS"; then
1501 LIB_MATH=$ac_cv_search_sqrt
1505 dnl Current possibilities handled by sed (aix4-2 -> aix,
1506 dnl gnu-linux -> gnu/linux, etc.):
1507 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux.
1508 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1509 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1516 ## Adding -lm confuses the dynamic linker, so omit it.
1519 freebsd | dragonfly )
1520 SYSTEM_TYPE=berkeley-unix
1522 gnu-linux | gnu-kfreebsd )
1524 hpux10-20 | hpux11 )
1528 SYSTEM_TYPE=windows-nt
1530 dnl NB this may be adjusted below.
1532 SYSTEM_TYPE=berkeley-unix
1536 SYSTEM_TYPE=usg-unix-v
1542 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1543 [The type of system you are compiling for; sets 'system-type'.])
1546 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1547 pre_PKG_CONFIG_LIBS=$LIBS
1549 PKG_PROG_PKG_CONFIG(0.9.0)
1551 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1552 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1553 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1554 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1555 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1556 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1558 AC_DEFUN([EMACS_CHECK_MODULES],
1559 [PKG_CHECK_MODULES([$1], [$2],
1560 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1561 m4_default([$3], [HAVE_$1=yes])],
1562 [m4_default([$4], [HAVE_$1=no])])])
1565 if test "${with_sound}" != "no"; then
1566 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1567 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1568 have_sound_header=yes, [], [
1570 #define WIN32_LEAN_AND_MEAN
1571 #include <windows.h>
1574 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1575 AC_MSG_ERROR([OSS sound support requested but not found.])
1577 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1578 # Emulation library used on NetBSD.
1579 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1580 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1581 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1582 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1583 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1587 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1589 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1590 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1591 if test $HAVE_ALSA = yes; then
1592 SAVE_CFLAGS="$CFLAGS"
1594 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1595 LIBS="$ALSA_LIBS $LIBS"
1596 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1597 emacs_alsa_normal=yes,
1598 emacs_alsa_normal=no)
1599 if test "$emacs_alsa_normal" != yes; then
1600 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1601 [[snd_lib_error_set_handler (0);]])],
1602 emacs_alsa_subdir=yes,
1603 emacs_alsa_subdir=no)
1604 if test "$emacs_alsa_subdir" != yes; then
1605 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1607 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1610 CFLAGS="$SAVE_CFLAGS"
1612 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1613 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1614 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1615 elif test "${with_sound}" = "alsa"; then
1616 AC_MSG_ERROR([ALSA sound support requested but not found.])
1618 fi dnl with_sound = alsa|yes
1620 dnl Define HAVE_SOUND if we have sound support. We know it works and
1621 dnl compiles only on the specified platforms. For others, it
1622 dnl probably doesn't make sense to try.
1623 dnl FIXME So surely we should bypass this whole section if not using
1624 dnl one of these platforms?
1625 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1627 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1628 dnl Adjust the --with-sound help text if you change this.
1629 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1630 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1636 AC_SUBST(CFLAGS_SOUND)
1639 dnl checks for header files
1640 AC_CHECK_HEADERS_ONCE(
1647 sys/utsname.h pwd.h utmp.h util.h)
1649 AC_CACHE_CHECK([for ADDR_NO_RANDOMIZE],
1650 [emacs_cv_personality_addr_no_randomize],
1652 [AC_LANG_PROGRAM([[#include <sys/personality.h>]],
1653 [[personality (personality (0xffffffff)
1654 | ADDR_NO_RANDOMIZE)]])],
1655 [emacs_cv_personality_addr_no_randomize=yes],
1656 [emacs_cv_personality_addr_no_randomize=no])])
1657 if test $emacs_cv_personality_addr_no_randomize = yes; then
1658 AC_DEFINE([HAVE_PERSONALITY_ADDR_NO_RANDOMIZE], [1],
1659 [Define to 1 if personality flag ADDR_NO_RANDOMIZE exists.])
1662 # Note that Solaris has sys/sysinfo.h which defines struct
1663 # sysinfo as well. To make sure that we're using GNU/Linux
1664 # sysinfo, we explicitly set one of its fields.
1665 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1666 AC_MSG_CHECKING([if Linux sysinfo may be used])
1667 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1668 [[struct sysinfo si;
1671 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1672 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1673 if test $emacs_cv_linux_sysinfo = yes; then
1674 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1675 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1676 [[struct sysinfo si; return si.mem_unit]])],
1677 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1678 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1682 dnl On Solaris 8 there's a compilation warning for term.h because
1683 dnl it doesn't define 'bool'.
1684 AC_CHECK_HEADERS(term.h, , , -)
1686 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1688 if test $ac_cv_have_decl_sys_siglist != yes; then
1689 # For Tru64, at least:
1690 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1695 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1696 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1697 #if HAVE_SYS_SOCKET_H
1698 #include <sys/socket.h>
1700 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1701 #if HAVE_SYS_SOCKET_H
1702 #include <sys/socket.h>
1704 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1705 #if HAVE_SYS_SOCKET_H
1706 #include <sys/socket.h>
1709 dnl checks for structure members
1710 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1711 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1712 struct ifreq.ifr_addr,
1713 struct ifreq.ifr_addr.sa_len], , ,
1714 [AC_INCLUDES_DEFAULT
1715 #if HAVE_SYS_SOCKET_H
1716 #include <sys/socket.h>
1722 dnl Check for endianness.
1723 dnl AC_C_BIGENDIAN is done by gnulib.
1725 dnl check for Make feature
1728 dnl check if we have GCC and autodepend is on.
1729 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1730 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1731 SAVE_CFLAGS="$CFLAGS"
1732 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1733 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1734 CFLAGS="$SAVE_CFLAGS"
1735 test -f deps.d || ac_enable_autodepend=no
1737 AC_MSG_RESULT([$ac_enable_autodepend])
1738 if test $ac_enable_autodepend = yes; then
1742 AC_SUBST(AUTO_DEPEND)
1744 dnl checks for operating system services
1745 AC_SYS_LONG_FILE_NAMES
1747 #### Choose a window system.
1749 ## We leave window_system equal to none if
1750 ## we end up building without one. Any new window system should
1751 ## set window_system to an appropriate value and add objects to
1752 ## window-system-specific substs.
1756 if test "$no_x" != yes; then
1760 LD_SWITCH_X_SITE_RPATH=
1761 if test "${x_libraries}" != NONE; then
1762 if test -n "${x_libraries}"; then
1763 LD_SWITCH_X_SITE=-L`AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -L/g'`
1764 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`
1765 AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -Wl,-rpath,/g'
1768 x_default_search_path=""
1769 x_search_path=${x_libraries}
1770 if test -z "${x_search_path}"; then
1771 x_search_path=/usr/lib
1773 for x_library in `AS_ECHO(["$x_search_path:"]) | \
1774 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1776 ${x_library}/X11/%L/%T/%N%C%S:\
1777 ${x_library}/X11/%l/%T/%N%C%S:\
1778 ${x_library}/X11/%T/%N%C%S:\
1779 ${x_library}/X11/%L/%T/%N%S:\
1780 ${x_library}/X11/%l/%T/%N%S:\
1781 ${x_library}/X11/%T/%N%S"
1782 if test x"${x_default_search_path}" = x; then
1783 x_default_search_path=${x_search_path}
1785 x_default_search_path="${x_search_path}:${x_default_search_path}"
1789 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1791 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1792 C_SWITCH_X_SITE=$isystem`AS_ECHO(["$x_includes"]) | sed -e "s/:/ $isystem/g"`
1795 if test x"${x_includes}" = x; then
1796 bitmapdir=/usr/include/X11/bitmaps
1798 # accumulate include directories that have X11 bitmap subdirectories
1800 for bmd in `AS_ECHO(["$x_includes"]) | sed -e 's/:/ /g'`; do
1801 if test -d "${bmd}/X11/bitmaps"; then
1802 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1804 if test -d "${bmd}/bitmaps"; then
1805 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1808 bitmapdir=${bmd_acc#:}
1811 test "${with_ns}" = maybe && test "${opsys}" != darwin && with_ns=no
1813 NS_GNUSTEP_CONFIG=no
1816 tmp_CPPFLAGS="$CPPFLAGS"
1817 tmp_CFLAGS="$CFLAGS"
1818 CPPFLAGS="$CPPFLAGS -x objective-c"
1819 CFLAGS="$CFLAGS -x objective-c"
1822 if test "${with_ns}" != no; then
1823 if test "${opsys}" = darwin; then
1825 ns_appdir=`pwd`/nextstep/Emacs.app
1826 ns_appbindir=${ns_appdir}/Contents/MacOS
1827 ns_appresdir=${ns_appdir}/Contents/Resources
1828 ns_appsrc=Cocoa/Emacs.base
1829 ns_fontfile=macfont.o
1830 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1832 NS_GNUSTEP_CONFIG=yes
1833 GNU_OBJC_CFLAGS=$flags
1834 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1835 elif test -f $GNUSTEP_CONFIG_FILE; then
1837 dnl FIXME sourcing this several times in subshells seems inefficient.
1838 GNUSTEP_SYSTEM_HEADERS=$(
1839 . $GNUSTEP_CONFIG_FILE
1840 AS_ECHO(["$GNUSTEP_SYSTEM_HEADERS"])
1842 GNUSTEP_SYSTEM_LIBRARIES=$(
1843 . $GNUSTEP_CONFIG_FILE
1844 AS_ECHO(["$GNUSTEP_SYSTEM_LIBRARIES"])
1846 dnl I seemed to need these as well with GNUstep-startup 0.25.
1847 GNUSTEP_LOCAL_HEADERS=$(
1848 . $GNUSTEP_CONFIG_FILE
1849 AS_ECHO(["$GNUSTEP_LOCAL_HEADERS"])
1851 GNUSTEP_LOCAL_LIBRARIES=$(
1852 . $GNUSTEP_CONFIG_FILE
1853 AS_ECHO(["$GNUSTEP_LOCAL_LIBRARIES"])
1855 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1856 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1857 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1858 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1859 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1860 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1861 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1862 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1863 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1864 dnl If they had chosen to either define it or not, we could have
1865 dnl just used AC_CHECK_DECL here.
1866 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1867 emacs_cv_objc_exceptions,
1868 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1869 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1873 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1874 if test $emacs_cv_objc_exceptions = yes; then
1875 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1876 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1877 [Define if GNUstep uses ObjC exceptions.])
1878 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1881 if test $NS_IMPL_GNUSTEP = yes; then
1882 ns_appdir=`pwd`/nextstep/Emacs.app
1883 ns_appbindir=${ns_appdir}
1884 ns_appresdir=${ns_appdir}/Resources
1885 ns_appsrc=GNUstep/Emacs.base
1886 ns_fontfile=nsfont.o
1889 dnl This is only used while we test the NS headers, it gets reset below.
1890 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1891 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1893 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1894 [AC_MSG_ERROR([The include files (AppKit/AppKit.h etc) that
1895 are required for a Nextstep build are missing or cannot be compiled.
1896 Either fix this, or re-configure with the option '--without-ns'.])])
1899 if test "${NS_IMPL_COCOA}" = "yes"; then
1900 AC_MSG_CHECKING([for OSX 10.6 or newer])
1901 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1903 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1904 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1907 error "OSX 10.6 or newer required";
1911 ns_osx_have_106=yes,
1913 AC_MSG_RESULT([$ns_osx_have_106])
1915 if test $ns_osx_have_106 = no; then
1916 AC_MSG_ERROR([OSX 10.6 or newer is required]);
1921 AC_SUBST(LIBS_GNUSTEP)
1923 INSTALL_ARCH_INDEP_EXTRA=install-etc
1924 ns_self_contained=no
1927 if test "${HAVE_NS}" = yes; then
1928 if test "$with_toolkit_scroll_bars" = "no"; then
1929 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1932 window_system=nextstep
1933 # set up packaging dirs
1934 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1935 ns_self_contained=yes
1936 prefix=${ns_appresdir}
1937 exec_prefix=${ns_appbindir}
1938 dnl This one isn't really used, only archlibdir is.
1939 libexecdir="\${ns_appbindir}/libexec"
1940 archlibdir="\${ns_appbindir}/libexec"
1941 etcdocdir="\${ns_appresdir}/etc"
1942 etcdir="\${ns_appresdir}/etc"
1943 dnl FIXME maybe set datarootdir instead.
1944 dnl That would also get applications, icons, man.
1945 infodir="\${ns_appresdir}/info"
1946 mandir="\${ns_appresdir}/man"
1947 lispdir="\${ns_appresdir}/lisp"
1948 test "$locallisppathset" = no && locallisppath=""
1949 INSTALL_ARCH_INDEP_EXTRA=
1952 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1954 CFLAGS="$tmp_CFLAGS"
1955 CPPFLAGS="$tmp_CPPFLAGS"
1956 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1957 AC_SUBST(ns_self_contained)
1959 AC_SUBST(NS_OBJC_OBJ)
1970 if test "${with_w32}" != no; then
1973 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1974 [AC_MSG_ERROR(['--with-w32' was specified, but windows.h
1975 cannot be found.])])
1978 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1981 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1986 if test "${opsys}" = "mingw32"; then
1987 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1988 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1989 #include <windows.h>
1990 #include <usp10.h>]],
1991 [[PIMAGE_NT_HEADERS pHeader;
1992 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1993 [emacs_cv_w32api=yes
1996 AC_MSG_RESULT($emacs_cv_w32api)
1997 if test "${emacs_cv_w32api}" = "no"; then
1998 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
2009 if test "${HAVE_W32}" = "yes"; then
2010 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
2011 if test "$with_toolkit_scroll_bars" = "no"; then
2012 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
2014 AC_CHECK_TOOL(WINDRES, [windres],
2015 [AC_MSG_ERROR([No resource compiler found.])])
2016 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
2017 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
2018 EMACSRES="emacs.res"
2019 case "$canonical" in
2020 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
2021 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
2023 dnl Construct something of the form "24,4,0,0" with 4 components.
2024 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
2026 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
2027 AC_SUBST(comma_version)
2028 AC_SUBST(comma_space_version)
2029 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
2030 if test "${opsys}" = "cygwin"; then
2031 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
2032 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
2033 # Tell the linker that emacs.res is an object (which we compile from
2034 # the rc file), not a linker script.
2035 W32_RES_LINK="-Wl,emacs.res"
2037 UPDATE_MANIFEST=update-game-score.exe.manifest
2038 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
2039 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
2040 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
2041 W32_RES_LINK="\$(EMACSRES)"
2042 CLIENTRES="emacsclient.res"
2043 CLIENTW="emacsclientw\$(EXEEXT)"
2044 FIRSTFILE_OBJ=firstfile.o
2047 LIBS_ECLIENT="-lcomctl32"
2048 LIB_WSOCK32="-lwsock32"
2049 NTLIB="ntlib.$ac_objext"
2050 XARGS_LIMIT="-s 10000"
2056 AC_SUBST(EMACS_MANIFEST)
2057 AC_SUBST(UPDATE_MANIFEST)
2060 AC_SUBST(W32_RES_LINK)
2061 AC_SUBST(FIRSTFILE_OBJ)
2064 AC_SUBST(LIBS_ECLIENT)
2065 AC_SUBST(LIB_WSOCK32)
2067 AC_SUBST(XARGS_LIMIT)
2069 if test "${HAVE_W32}" = "yes"; then
2074 ## $window_system is now set to the window system we will
2082 case "${window_system}" in
2087 case "${with_x_toolkit}" in
2088 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2089 motif ) USE_X_TOOLKIT=MOTIF ;;
2091 term_header=gtkutil.h
2092 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2093 dnl USE_X_TOOLKIT is set.
2094 USE_X_TOOLKIT=none ;;
2095 gtk2 ) with_gtk2=yes
2096 term_header=gtkutil.h
2097 USE_X_TOOLKIT=none ;;
2098 gtk3 ) with_gtk3=yes
2099 term_header=gtkutil.h
2100 USE_X_TOOLKIT=none ;;
2101 no ) USE_X_TOOLKIT=none ;;
2102 dnl If user did not say whether to use a toolkit, make this decision later:
2103 dnl use the toolkit if we have gtk, or X11R5 or newer.
2104 * ) USE_X_TOOLKIT=maybe ;;
2108 term_header=nsterm.h
2111 term_header=w32term.h
2115 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2116 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2117 if test "$HAVE_XSERVER" = true ||
2118 test -n "$DISPLAY" ||
2120 for emacs_libX11 in /usr/lib/libX11.*; do break; done
2121 test "$emacs_libX11" != '/usr/lib/libX11.*'
2124 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2125 were found. You should install the relevant development files for X
2126 and for the toolkit you want, such as Gtk+ or Motif. Also make
2127 sure you have development files for image handling, i.e.
2128 tiff, gif, jpeg, png and xpm.
2129 If you are sure you want Emacs compiled without X window support, pass
2135 # Does the opsystem file prohibit the use of the GNU malloc?
2136 # Assume not, until told otherwise.
2140 [whether malloc is Doug Lea style],
2141 [emacs_cv_var_doug_lea_malloc],
2142 [emacs_cv_var_doug_lea_malloc=no
2143 dnl Hooks do not work with address sanitization.
2144 if test "$emacs_cv_sanitize_address" != yes; then
2147 [[#include <malloc.h>
2148 static void hook (void) {}]],
2149 [[malloc_set_state (malloc_get_state ());
2150 __after_morecore_hook = hook;
2151 __malloc_initialize_hook = hook;]])],
2152 [emacs_cv_var_doug_lea_malloc=yes])
2154 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2156 system_malloc=$emacs_cv_sanitize_address
2161 ## darwin ld insists on the use of malloc routines in the System framework.
2162 darwin | mingw32 | nacl | sol2-10) system_malloc=yes ;;
2163 cygwin) hybrid_malloc=yes;;
2166 if test "${system_malloc}" != yes && test "${doug_lea_malloc}" != yes \
2167 && test "${UNEXEC_OBJ}" = unexelf.o; then
2173 if test "${system_malloc}" = "yes"; then
2174 AC_DEFINE([SYSTEM_MALLOC], 1,
2175 [Define to 1 to use the system memory allocator, even if it is not
2179 (The GNU allocators don't work with this system configuration.)"
2181 elif test "$hybrid_malloc" = yes; then
2182 AC_DEFINE(HYBRID_MALLOC, 1,
2183 [Define to use gmalloc before dumping and the system malloc after.])
2186 GNU_MALLOC_reason=" (only before dumping)"
2187 GMALLOC_OBJ=gmalloc.o
2190 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2191 VMLIMIT_OBJ=vm-limit.o
2193 AC_CHECK_HEADERS([sys/vlimit.h])
2194 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2197 [[extern char data_start[]; char ch;]],
2198 [[return data_start < &ch;]])],
2199 [emacs_cv_data_start=yes],
2200 [emacs_cv_data_start=no])])
2201 if test $emacs_cv_data_start = yes; then
2202 AC_DEFINE([HAVE_DATA_START], 1,
2203 [Define to 1 if data_start is the address of the start
2204 of the main data segment.])
2207 AC_SUBST([HYBRID_MALLOC])
2208 AM_CONDITIONAL([HYBRID_MALLOC_LIB], [test -n "$HYBRID_MALLOC"])
2209 AC_SUBST(GMALLOC_OBJ)
2210 AC_SUBST(VMLIMIT_OBJ)
2212 if test "$doug_lea_malloc" = "yes" && test "$hybrid_malloc" != yes; then
2213 if test "$GNU_MALLOC" = yes ; then
2215 (Using Doug Lea's new malloc from the GNU C Library.)"
2217 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2218 [Define to 1 if the system memory allocator is Doug Lea style,
2219 with malloc hooks and malloc_set_state.])
2221 ## Use mmap directly for allocating larger buffers.
2222 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2223 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2224 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2226 mingw32|gnu*) REL_ALLOC=no ;;
2230 if test x"${REL_ALLOC}" = x; then
2231 REL_ALLOC=${GNU_MALLOC}
2234 use_mmap_for_buffers=no
2236 cygwin|mingw32) use_mmap_for_buffers=yes ;;
2240 if test $use_mmap_for_buffers = yes; then
2241 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2245 LIBS="$LIBS_SYSTEM $LIBS"
2247 dnl FIXME replace main with a function we actually want from this library.
2248 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2250 dnl Check for the POSIX thread library.
2252 AC_CHECK_HEADERS_ONCE(pthread.h)
2253 if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then
2254 AC_CACHE_CHECK([for pthread library],
2255 [emacs_cv_pthread_lib],
2256 [emacs_cv_pthread_lib=no
2258 for emacs_pthread_lib in 'none needed' -lpthread; do
2259 case $emacs_pthread_lib in
2260 -*) LIBS="$OLD_LIBS $emacs_pthread_lib";;
2264 [[#include <pthread.h>
2266 sigset_t old_mask, new_mask;
2267 void noop (void) {}]],
2268 [[pthread_t th = pthread_self ();
2270 status += pthread_create (&th, 0, 0, 0);
2271 status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask);
2272 status += pthread_kill (th, 0);
2273 #if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \
2274 || defined DOUG_LEA_MALLOC)
2275 /* Test for pthread_atfork only if gmalloc uses it,
2276 as older-style hosts like MirBSD 10 lack it. */
2277 status += pthread_atfork (noop, noop, noop);
2280 [emacs_cv_pthread_lib=$emacs_pthread_lib])
2282 if test "$emacs_cv_pthread_lib" != no; then
2286 if test "$emacs_cv_pthread_lib" != no; then
2287 AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.])
2288 case $emacs_cv_pthread_lib in
2289 -*) LIB_PTHREAD=$emacs_cv_pthread_lib;;
2291 ac_cv_func_pthread_sigmask=yes
2292 # Some systems optimize for single-threaded programs by default, and
2293 # need special flags to disable these optimizations. For example, the
2294 # definition of 'errno' in <errno.h>.
2297 AC_DEFINE([_REENTRANT], 1,
2298 [Define to 1 if your system requires this in multithreaded code.]);;
2300 AC_DEFINE([_THREAD_SAFE], 1,
2301 [Define to 1 if your system requires this in multithreaded code.]);;
2305 AC_SUBST([LIB_PTHREAD])
2307 dnl Check for need for bigtoc support on IBM AIX
2311 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2313 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2314 *) gdb_cv_bigtoc=-bbigtoc ;;
2317 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2318 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2323 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2324 # is for the tests that follow. We set them back later on.
2326 REAL_CFLAGS="$CFLAGS"
2327 REAL_CPPFLAGS="$CPPFLAGS"
2330 if test "${HAVE_X11}" = "yes"; then
2331 DEFS="$C_SWITCH_X_SITE $DEFS"
2332 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2334 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2335 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2337 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2338 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2339 # but it's more convenient here to set LD_RUN_PATH since this
2340 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2341 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2342 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2346 if test "${opsys}" = "gnu-linux"; then
2347 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2348 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2349 [[XOpenDisplay ("foo");]])],
2350 [xgnu_linux_first_failure=no],
2351 [xgnu_linux_first_failure=yes])
2352 if test "${xgnu_linux_first_failure}" = "yes"; then
2353 OLD_CPPFLAGS="$CPPFLAGS"
2355 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2356 LIBS="$LIBS -b i486-linuxaout"
2357 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2358 [[XOpenDisplay ("foo");]])],
2359 [xgnu_linux_second_failure=no],
2360 [xgnu_linux_second_failure=yes])
2361 if test "${xgnu_linux_second_failure}" = "yes"; then
2362 # If we get the same failure with -b, there is no use adding -b.
2363 # So leave it out. This plays safe.
2366 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2367 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2370 CPPFLAGS=$OLD_CPPFLAGS
2377 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2378 # header files included from there.
2379 AC_MSG_CHECKING(for Xkb)
2380 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2381 #include <X11/XKBlib.h>]],
2382 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2383 emacs_xkb=yes, emacs_xkb=no)
2384 AC_MSG_RESULT($emacs_xkb)
2385 if test $emacs_xkb = yes; then
2386 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2389 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2390 XScreenNumberOfScreen)
2393 if test "${window_system}" = "x11"; then
2394 AC_MSG_CHECKING(X11 version 6)
2395 AC_CACHE_VAL(emacs_cv_x11_version_6,
2396 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2397 [[#if XlibSpecificationRelease < 6
2400 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2401 if test $emacs_cv_x11_version_6 = yes; then
2402 AC_MSG_RESULT(6 or newer)
2403 AC_DEFINE(HAVE_X11R6, 1,
2404 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2405 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2406 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2410 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2411 [Define if you have usable X11R6-style XIM support.])
2415 AC_MSG_RESULT(before 6)
2420 ### Use -lrsvg-2 if available, unless '--with-rsvg=no' is specified.
2422 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2423 if test "${with_rsvg}" != "no"; then
2424 RSVG_REQUIRED=2.11.0
2425 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2427 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2428 AC_SUBST(RSVG_CFLAGS)
2431 if test $HAVE_RSVG = yes; then
2432 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2433 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2434 # Windows loads librsvg dynamically
2435 if test "${opsys}" = "mingw32"; then
2443 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2444 if test "${with_imagemagick}" != "no"; then
2445 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2446 ## 6.8.2 makes Emacs crash; see Bug#13867.
2447 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2448 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2449 AC_SUBST(IMAGEMAGICK_CFLAGS)
2450 AC_SUBST(IMAGEMAGICK_LIBS)
2452 if test $HAVE_IMAGEMAGICK = yes; then
2453 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2456 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2457 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2458 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers MagickAutoOrientImage)
2465 AC_CHECK_LIB(anl, getaddrinfo_a, HAVE_GETADDRINFO_A=yes)
2466 if test "${HAVE_GETADDRINFO_A}" = "yes"; then
2467 AC_DEFINE(HAVE_GETADDRINFO_A, 1,
2468 [Define to 1 if you have getaddrinfo_a for asynchronous DNS resolution.])
2469 GETADDRINFO_A_LIBS="-lanl"
2470 AC_SUBST(GETADDRINFO_A_LIBS)
2475 gtk_term_header=$term_header
2478 if test "${opsys}" != "mingw32"; then
2479 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2482 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2484 dnl Checks for libraries.
2485 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2486 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2487 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2488 AC_MSG_ERROR($GTK_PKG_ERRORS)
2490 if test "$pkg_check_gtk" = "yes"; then
2491 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2492 GTK_OBJ=emacsgtkfixed.o
2493 gtk_term_header=gtkutil.h
2494 USE_GTK_TOOLKIT="GTK3"
2495 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2496 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2497 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2498 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2499 [Define to 1 to disable Glib deprecation warnings.])
2503 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2507 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2510 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2512 dnl Checks for libraries.
2513 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2514 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2515 if test "$pkg_check_gtk" = "no" &&
2516 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2518 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2520 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2527 if test x"$pkg_check_gtk" = xyes; then
2530 CFLAGS="$CFLAGS $GTK_CFLAGS"
2531 LIBS="$GTK_LIBS $LIBS"
2532 dnl Try to compile a simple GTK program.
2533 AC_MSG_CHECKING([whether GTK compiles])
2537 [[/* Check the Gtk and Glib APIs. */
2538 #include <gtk/gtk.h>
2539 #include <glib-object.h>
2541 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2545 GtkSettings *gs = 0;
2546 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2547 strict C prohibits this. Use gtk_main_iteration to test that the
2548 libraries are there. */
2549 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2550 0, 0, 0, G_CALLBACK (callback), 0))
2551 gtk_main_iteration ();
2554 AC_MSG_RESULT([$GTK_COMPILES])
2555 if test "${GTK_COMPILES}" != "yes"; then
2557 if test "$USE_X_TOOLKIT" != "maybe"; then
2558 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2561 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2563 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2564 GTK_OBJ="gtkutil.o $GTK_OBJ"
2565 term_header=$gtk_term_header
2567 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2568 closing open displays. This is no problem if you just use
2569 one display, but if you use more than one and close one of them
2571 See http://bugzilla.gnome.org/show_bug.cgi?id=85715]])
2579 if test "${HAVE_GTK}" = "yes"; then
2581 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2582 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2583 if test "$with_toolkit_scroll_bars" != no; then
2584 with_toolkit_scroll_bars=yes
2587 dnl Check if we have the old file selection dialog declared and
2588 dnl in the link library. In 2.x it may be in the library,
2589 dnl but not declared if deprecated featured has been selected out.
2590 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2591 HAVE_GTK_FILE_SELECTION=no
2592 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2593 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2594 #include <gtk/gtk.h>])
2595 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2596 AC_CHECK_FUNCS(gtk_file_selection_new)
2599 dnl Same as above for gtk_handle_box.
2600 HAVE_GTK_HANDLE_BOX=no
2601 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2602 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2603 #include <gtk/gtk.h>])
2604 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2605 AC_CHECK_FUNCS(gtk_handle_box_new)
2608 dnl Same as above for gtk_tearoff_menu_item.
2609 HAVE_GTK_TEAROFF_MENU_ITEM=no
2610 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2611 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2612 #include <gtk/gtk.h>])
2613 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2614 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2617 dnl Check for functions introduced in 2.14 and later.
2618 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2619 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2620 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2621 gtk_orientable_set_orientation \
2622 gtk_window_set_has_resize_grip)
2624 term_header=gtkutil.h
2628 dnl Enable xwidgets if GTK3 and WebKitGTK+ are available.
2631 if test "$with_xwidgets" != "no"; then
2632 test "$USE_GTK_TOOLKIT" = "GTK3" && test "$window_system" != "none" ||
2633 AC_MSG_ERROR([xwidgets requested but gtk3 not used.])
2635 WEBKIT_REQUIRED=1.4.0
2636 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2637 EMACS_CHECK_MODULES([WEBKIT], [$WEBKIT_MODULES])
2638 HAVE_XWIDGETS=$HAVE_WEBKIT
2639 test $HAVE_XWIDGETS = yes ||
2640 AC_MSG_ERROR([xwidgets requested but WebKitGTK+ not found.])
2642 XWIDGETS_OBJ=xwidget.o
2643 AC_DEFINE([HAVE_XWIDGETS], 1, [Define to 1 if you have xwidgets support.])
2645 AC_SUBST(XWIDGETS_OBJ)
2650 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2651 dnl other platforms.
2654 if test "${with_dbus}" = "yes"; then
2655 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2656 if test "$HAVE_DBUS" = yes; then
2657 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2658 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2659 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2662 LIBS="$LIBS $DBUS_LIBS"
2663 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2664 dbus_type_is_valid \
2665 dbus_validate_bus_name \
2666 dbus_validate_path \
2667 dbus_validate_interface \
2668 dbus_validate_member)
2673 AC_SUBST(DBUS_CFLAGS)
2677 dnl GSettings has been tested under GNU/Linux only.
2679 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2680 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2681 if test "$HAVE_GSETTINGS" = "yes"; then
2683 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2685 LIBS="$LIBS $GSETTINGS_LIBS"
2686 AC_MSG_CHECKING([whether GSettings is in gio])
2689 [[/* Check that gsettings really is present. */
2690 #include <glib-object.h>
2691 #include <gio/gio.h>
2694 GSettings *settings;
2695 GVariant *val = g_settings_get_value (settings, "");
2697 [], HAVE_GSETTINGS=no)
2698 AC_MSG_RESULT([$HAVE_GSETTINGS])
2700 if test "$HAVE_GSETTINGS" = "yes"; then
2701 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2702 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2703 SETTINGS_LIBS="$GSETTINGS_LIBS"
2710 dnl GConf has been tested under GNU/Linux only.
2711 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2713 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2714 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2715 if test "$HAVE_GCONF" = yes; then
2716 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2717 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2718 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2719 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2723 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2724 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2725 if test "$HAVE_GOBJECT" = "yes"; then
2726 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2727 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2729 SAVE_CFLAGS="$CFLAGS"
2731 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2732 LIBS="$SETTINGS_LIBS $LIBS"
2733 CFLAGS="$SAVE_CFLAGS"
2736 AC_SUBST(SETTINGS_CFLAGS)
2737 AC_SUBST(SETTINGS_LIBS)
2740 dnl SELinux is available for GNU/Linux only.
2743 if test "${with_selinux}" = "yes"; then
2744 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2745 if test "$HAVE_LIBSELINUX" = yes; then
2746 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2747 LIBSELINUX_LIBS=-lselinux
2750 AC_SUBST(LIBSELINUX_LIBS)
2753 if test "${with_gnutls}" = "yes" ; then
2754 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.12.2],
2755 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2756 if test "${HAVE_GNUTLS}" = "yes"; then
2757 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2758 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2759 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2762 # Windows loads GnuTLS dynamically
2763 if test "${opsys}" = "mingw32"; then
2768 AC_SUBST(LIBGNUTLS_LIBS)
2769 AC_SUBST(LIBGNUTLS_CFLAGS)
2772 if test "${with_libsystemd}" = "yes" ; then
2773 dnl This code has been tested with libsystemd 222 and later.
2774 dnl FIXME: Find the earliest version number for which Emacs should work,
2775 dnl and change '222' to that number.
2776 EMACS_CHECK_MODULES([LIBSYSTEMD], [libsystemd >= 222],
2777 [HAVE_LIBSYSTEMD=yes], [HAVE_LIBSYSTEMD=no])
2778 if test "${HAVE_LIBSYSTEMD}" = "yes"; then
2779 AC_DEFINE(HAVE_LIBSYSTEMD, 1, [Define if using libsystemd.])
2783 AC_SUBST(LIBSYSTEMD_LIBS)
2784 AC_SUBST(LIBSYSTEMD_CFLAGS)
2789 dnl MS Windows native file monitor is available for mingw32 only.
2790 case $with_file_notification,$opsys in
2792 AC_MSG_ERROR(['--with-file-notification=w32' was specified, but
2793 this is only supported on MS-Windows native and MinGW32 builds.
2794 Consider using gfile instead.])
2796 w32,* | yes,mingw32)
2797 AC_CHECK_HEADER(windows.h)
2798 if test "$ac_cv_header_windows_h" = yes ; then
2799 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2800 NOTIFY_OBJ=w32notify.o
2801 NOTIFY_SUMMARY="yes (w32)"
2805 dnl inotify is available only on GNU/Linux.
2806 case $with_file_notification,$NOTIFY_OBJ in
2808 AC_CHECK_HEADER(sys/inotify.h)
2809 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2810 AC_CHECK_FUNC(inotify_init1)
2811 if test "$ac_cv_func_inotify_init1" = yes; then
2812 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2813 NOTIFY_OBJ=inotify.o
2814 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2819 dnl kqueue is available on BSD-like systems.
2820 case $with_file_notification,$NOTIFY_OBJ in
2822 EMACS_CHECK_MODULES([KQUEUE], [libkqueue])
2823 if test "$HAVE_KQUEUE" = "yes"; then
2824 AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
2825 CPPFLAGS="$CPPFLAGS -I/usr/include/kqueue"
2826 NOTIFY_CFLAGS=$KQUEUE_CFLAGS
2827 NOTIFY_LIBS=$KQUEUE_LIBS
2829 NOTIFY_SUMMARY="yes -lkqueue"
2831 AC_SEARCH_LIBS(kqueue, [])
2832 if test "$ac_cv_search_kqueue" != no; then
2833 AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
2835 NOTIFY_SUMMARY="yes (kqueue)"
2840 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2841 dnl has been added in glib 2.24. It has been tested under
2843 case $with_file_notification,$NOTIFY_OBJ in
2845 if test "${HAVE_NS}" = yes; then
2846 AC_MSG_ERROR(['--with-file-notification=gfile' is not supported in NextStep builds.
2847 Consider kqueue instead.])
2849 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2850 if test "$HAVE_GFILENOTIFY" = "yes"; then
2851 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2852 NOTIFY_CFLAGS=$GFILENOTIFY_CFLAGS
2853 NOTIFY_LIBS=$GFILENOTIFY_LIBS
2854 NOTIFY_OBJ=gfilenotify.o
2855 NOTIFY_SUMMARY="yes -lgio (gfile)"
2860 case $with_file_notification,$NOTIFY_OBJ in
2861 yes,* | no,* | *,?*) ;;
2862 *) AC_MSG_ERROR([File notification '$with_file_notification' requested but requirements not found.]) ;;
2865 if test -n "$NOTIFY_OBJ"; then
2866 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2868 AC_SUBST(NOTIFY_CFLAGS)
2869 AC_SUBST(NOTIFY_LIBS)
2870 AC_SUBST(NOTIFY_OBJ)
2872 dnl Do not put whitespace before the #include statements below.
2873 dnl Older compilers (eg sunos4 cc) choke on it.
2876 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2877 if test "$with_xaw3d" != no; then
2878 AC_CACHE_VAL(emacs_cv_xaw3d,
2879 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2880 #include <X11/Intrinsic.h>
2881 #include <X11/Xaw3d/Simple.h>]],
2883 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2884 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2885 emacs_cv_xaw3d=no)])
2889 if test $emacs_cv_xaw3d = yes; then
2890 AC_MSG_CHECKING(for xaw3d)
2891 AC_MSG_RESULT([yes; using Lucid toolkit])
2895 AC_DEFINE(HAVE_XAW3D, 1,
2896 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2898 AC_MSG_CHECKING(for xaw3d)
2900 AC_MSG_CHECKING(for libXaw)
2901 AC_CACHE_VAL(emacs_cv_xaw,
2902 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2903 #include <X11/Intrinsic.h>
2904 #include <X11/Xaw/Simple.h>]],
2908 if test $emacs_cv_xaw = yes; then
2909 AC_MSG_RESULT([yes; using Lucid toolkit])
2912 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2913 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2915 AC_MSG_ERROR([No X toolkit could be found.
2916 If you are sure you want Emacs compiled without an X toolkit, pass
2918 to configure. Otherwise, install the development libraries for the toolkit
2919 that you want to use (e.g. Gtk+) and re-run configure.])
2924 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2928 if test "${USE_X_TOOLKIT}" != "none"; then
2929 AC_MSG_CHECKING(X11 toolkit version)
2930 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2931 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2932 [[#if XtSpecificationRelease < 6
2935 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2936 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2937 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2938 AC_MSG_RESULT(6 or newer)
2939 AC_DEFINE(HAVE_X11XTR6, 1,
2940 [Define to 1 if you have the X11R6 or newer version of Xt.])
2941 LIBXTR6="-lSM -lICE"
2943 ## Use libw.a along with X11R6 Xt.
2944 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2947 AC_MSG_RESULT(before 6)
2950 dnl If using toolkit, check whether libXmu.a exists.
2951 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2953 if test x$HAVE_X11XTR6 = xyes; then
2954 OTHERLIBS='-lXt -lSM -lICE'
2958 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2959 if test "X$LIBS" != "X$OLDLIBS"; then
2960 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2963 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2969 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2970 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2971 if test -d /usr/include/openmotif; then
2972 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2973 emacs_cv_openmotif=yes
2974 case "$canonical" in
2975 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2976 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2979 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2982 emacs_cv_openmotif=no
2984 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2985 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2986 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2989 Motif version prior to 2.1.
2991 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2992 if test $emacs_cv_motif_version_2_1 = yes; then
2993 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2994 if test x$emacs_cv_openmotif = xyes; then
2995 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2998 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2999 # We put this in CFLAGS temporarily to precede other -I options
3000 # that might be in CFLAGS temporarily.
3001 # We put this in CPPFLAGS where it precedes the other -I options.
3002 OLD_CPPFLAGS=$CPPFLAGS
3004 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
3005 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
3006 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
3008 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
3009 if test $emacs_cv_lesstif = yes; then
3010 # Make sure this -I option remains in CPPFLAGS after it is set
3011 # back to REAL_CPPFLAGS.
3012 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
3013 # have those other -I options anyway. Ultimately, having this
3014 # directory ultimately in CPPFLAGS will be enough.
3015 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
3016 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
3019 CPPFLAGS=$OLD_CPPFLAGS
3022 AC_CHECK_HEADER([Xm/BulletinB.h], [],
3023 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
3026 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
3027 dnl using Motif or Xaw3d is available, and unless
3028 dnl --with-toolkit-scroll-bars=no was specified.
3030 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
3031 [Define to 1 if we should use toolkit scroll bars.])dnl
3032 USE_TOOLKIT_SCROLL_BARS=no
3033 if test "${with_toolkit_scroll_bars}" != "no"; then
3034 if test "${USE_X_TOOLKIT}" != "none"; then
3035 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
3036 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3038 USE_TOOLKIT_SCROLL_BARS=yes
3039 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
3040 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3041 USE_TOOLKIT_SCROLL_BARS=yes
3043 elif test "${HAVE_GTK}" = "yes"; then
3044 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3045 USE_TOOLKIT_SCROLL_BARS=yes
3046 elif test "${HAVE_NS}" = "yes"; then
3047 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3048 USE_TOOLKIT_SCROLL_BARS=yes
3049 elif test "${HAVE_W32}" = "yes"; then
3050 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3051 USE_TOOLKIT_SCROLL_BARS=yes
3055 dnl See if XIM is available.
3056 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3057 #include <X11/Xlib.h>
3058 #include <X11/Xresource.h>]],
3059 [[XIMProc callback;]])],
3061 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
3064 dnl '--with-xim' now controls only the initial value of use_xim at run time.
3066 if test "${with_xim}" != "no"; then
3067 AC_DEFINE(USE_XIM, 1,
3068 [Define to 1 if we should use XIM, if it is available.])
3072 if test "${HAVE_XIM}" != "no"; then
3074 if test "$GCC" = yes; then
3075 CFLAGS="$CFLAGS --pedantic-errors"
3077 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3078 #include <X11/Xlib.h>
3079 #include <X11/Xresource.h>]],
3085 XPointer *client_data;
3087 /* If we're not using GCC, it's probably not XFree86, and this is
3088 probably right, but we can't use something like --pedantic-errors. */
3089 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
3090 char*, XIMProc, XPointer*);
3092 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
3094 [emacs_cv_arg6_star=yes])
3095 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
3096 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
3097 either XPointer or XPointer*.])dnl
3098 if test "$emacs_cv_arg6_star" = yes; then
3099 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
3101 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
3106 ### Start of font-backend (under any platform) section.
3107 # (nothing here yet -- this is a placeholder)
3108 ### End of font-backend (under any platform) section.
3110 ### Start of font-backend (under X11) section.
3111 if test "${HAVE_X11}" = "yes"; then
3112 ## Use -lXft if available, unless '--with-xft=no'.
3114 if test "x${with_x}" = "xno"; then
3118 if test "$with_xft" != no; then
3119 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
3120 with_xft=$HAVE_FONTCONFIG
3123 if test "x${with_xft}" != "xno"; then
3125 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
3126 ## Because xftfont.c uses XRenderQueryExtension, we also
3127 ## need to link to -lXrender.
3129 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
3130 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
3131 OLD_CPPFLAGS="$CPPFLAGS"
3132 OLD_CFLAGS="$CFLAGS"
3134 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3135 CFLAGS="$CFLAGS $XFT_CFLAGS"
3136 XFT_LIBS="-lXrender $XFT_LIBS"
3137 LIBS="$XFT_LIBS $LIBS"
3138 AC_CHECK_HEADER(X11/Xft/Xft.h,
3139 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3140 [[#include <X11/X.h>]])
3142 if test "${HAVE_XFT}" = "yes"; then
3143 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3145 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3146 fi # "${HAVE_XFT}" = "yes"
3147 CPPFLAGS=$OLD_CPPFLAGS
3150 fi # "$HAVE_XFT" != no
3151 fi # "x${with_xft}" != "xno"
3153 ## We used to allow building with FreeType and without Xft.
3154 ## However, the ftx font backend driver is not in good shape.
3155 if test "$HAVE_XFT" != "yes"; then
3156 dnl For the "Does Emacs use" message at the end.
3160 dnl Strict linkers fail with
3161 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3162 dnl if -lfreetype is not specified.
3163 dnl The following is needed to set FREETYPE_LIBS.
3164 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3166 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3170 if test "${HAVE_FREETYPE}" = "yes"; then
3171 AC_DEFINE(HAVE_FREETYPE, 1,
3172 [Define to 1 if using the freetype and fontconfig libraries.])
3173 if test "${with_libotf}" != "no"; then
3174 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3175 if test "$HAVE_LIBOTF" = "yes"; then
3176 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3177 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3178 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3179 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3180 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3181 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3182 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3186 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3187 dnl Does the new font backend require it, or can it work without it?
3191 if test "${HAVE_LIBOTF}" = yes; then
3192 if test "${with_m17n_flt}" != "no"; then
3193 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3194 if test "$HAVE_M17N_FLT" = "yes"; then
3195 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3206 ### End of font-backend (under X11) section.
3208 AC_SUBST(FREETYPE_CFLAGS)
3209 AC_SUBST(FREETYPE_LIBS)
3210 AC_SUBST(FONTCONFIG_CFLAGS)
3211 AC_SUBST(FONTCONFIG_LIBS)
3212 AC_SUBST(LIBOTF_CFLAGS)
3213 AC_SUBST(LIBOTF_LIBS)
3214 AC_SUBST(M17N_FLT_CFLAGS)
3215 AC_SUBST(M17N_FLT_LIBS)
3218 if test "${HAVE_X11}" = "yes"; then
3219 if test "${with_cairo}" != "no"; then
3220 CAIRO_REQUIRED=1.12.0
3221 CAIRO_MODULE="cairo >= $CAIRO_REQUIRED"
3222 EMACS_CHECK_MODULES(CAIRO, $CAIRO_MODULE)
3223 if test $HAVE_CAIRO = yes; then
3224 AC_DEFINE(USE_CAIRO, 1, [Define to 1 if using cairo.])
3226 AC_MSG_ERROR([cairo requested but not found.])
3229 CFLAGS="$CFLAGS $CAIRO_CFLAGS"
3230 LIBS="$LIBS $CAIRO_LIBS"
3231 AC_SUBST(CAIRO_CFLAGS)
3232 AC_SUBST(CAIRO_LIBS)
3236 if test "${HAVE_X11}" = "yes"; then
3237 AC_CHECK_HEADER(X11/Xlib-xcb.h,
3238 AC_CHECK_LIB(xcb, xcb_translate_coordinates, HAVE_XCB=yes))
3239 if test "${HAVE_XCB}" = "yes"; then
3240 AC_CHECK_LIB(X11-xcb, XGetXCBConnection, HAVE_X11_XCB=yes)
3241 if test "${HAVE_X11_XCB}" = "yes"; then
3242 AC_DEFINE(USE_XCB, 1,
3243 [Define to 1 if you have the XCB library and X11-XCB library for mixed
3244 X11/XCB programming.])
3245 XCB_LIBS="-lX11-xcb -lxcb"
3251 ### Use -lXpm if available, unless '--with-xpm=no'.
3252 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3253 ### The Cygwin-w32 build uses <noX/xpm.h> instead of <X11/xpm.h>, so
3254 ### we need to set LDFLAGS accordingly.
3257 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3258 if test "${with_xpm}" != "no"; then
3259 SAVE_LDFLAGS="$LDFLAGS"
3260 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3261 AC_CHECK_HEADER(noX/xpm.h,
3262 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3263 if test "${HAVE_XPM}" = "yes"; then
3264 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3265 AC_EGREP_CPP(no_return_alloc_pixels,
3266 [#include "noX/xpm.h"
3267 #ifndef XpmReturnAllocPixels
3268 no_return_alloc_pixels
3270 ], HAVE_XPM=no, HAVE_XPM=yes)
3272 if test "${HAVE_XPM}" = "yes"; then
3276 LDFLAGS="$SAVE_LDFLAGS"
3281 if test "${HAVE_XPM}" = "yes"; then
3282 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3287 if test "${HAVE_X11}" = "yes"; then
3288 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3289 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3291 if test "${with_xpm}" != "no"; then
3292 AC_CHECK_HEADER(X11/xpm.h,
3293 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3294 if test "${HAVE_XPM}" = "yes"; then
3295 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3296 AC_EGREP_CPP(no_return_alloc_pixels,
3297 [#include "X11/xpm.h"
3298 #ifndef XpmReturnAllocPixels
3299 no_return_alloc_pixels
3301 ], HAVE_XPM=no, HAVE_XPM=yes)
3303 if test "${HAVE_XPM}" = "yes"; then
3311 if test "${HAVE_XPM}" = "yes"; then
3312 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3314 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3315 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3320 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3321 ### slightly different requirements wrt image libraries (it doesn't
3322 ### use -lXpm because it loads the xpm shared library dynamically at
3324 if test "${opsys}" = "mingw32"; then
3325 if test "${with_xpm}" != "no"; then
3326 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3330 if test "${HAVE_XPM}" = "yes"; then
3331 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3337 ### Use -ljpeg if available, unless '--with-jpeg=no'.
3340 if test "${with_jpeg}" != "no"; then
3341 AC_CACHE_CHECK([for jpeglib 6b or later],
3344 for emacs_cv_jpeglib in yes -ljpeg no; do
3345 case $emacs_cv_jpeglib in
3348 *) LIBS="$LIBS $emacs_cv_jpeglib";;
3352 [[#undef HAVE_STDLIB_H /* Avoid config.h/jpeglib.h collision. */
3353 #include <stdio.h> /* jpeglib.h needs FILE and size_t. */
3354 #include <jpeglib.h>
3356 char verify[JPEG_LIB_VERSION < 62 ? -1 : 1];
3357 struct jpeg_decompress_struct cinfo;
3360 jpeg_create_decompress (&cinfo);
3361 WARNMS (&cinfo, JWRN_JPEG_EOF);
3362 jpeg_destroy_decompress (&cinfo);
3364 [emacs_link_ok=yes],
3367 test $emacs_link_ok = yes && break
3369 if test "$emacs_cv_jpeglib" != no; then
3371 AC_DEFINE([HAVE_JPEG], 1,
3372 [Define to 1 if you have the jpeg library (typically -ljpeg).])
3373 ### mingw32 doesn't use -ljpeg, since it loads the library
3374 ### dynamically when needed, and doesn't want a run-time
3375 ### dependency on the jpeglib DLL.
3376 test "$emacs_cv_jpeglib" != yes && test "${opsys}" != "mingw32" \
3377 && LIBJPEG=$emacs_cv_jpeglib
3384 if test "${with_zlib}" != "no"; then
3386 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3388 case $ac_cv_search_inflateEnd in
3389 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3392 if test "${HAVE_ZLIB}" = "yes"; then
3393 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3394 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3395 if test "${opsys}" = "mingw32"; then
3401 ### Dynamic modules support
3406 if test "${with_modules}" != "no"; then
3410 MODULES_SUFFIX=".so"
3414 MODULES_SUFFIX=".dll"
3418 MODULES_SUFFIX=".so"
3422 # BSD systems have dlopen in libc.
3423 AC_CHECK_FUNC([dlopen],
3424 [MODULES_SUFFIX=".so"
3429 if test "${HAVE_MODULES}" = no; then
3430 AC_MSG_ERROR([Dynamic modules are not supported on your system])
3433 LIBS="$LIBS $LIBMODULES"
3434 AC_CHECK_FUNCS([dladdr dlfunc])
3439 if test "${HAVE_MODULES}" = yes; then
3440 MODULES_OBJ="dynlib.o emacs-module.o"
3441 AC_DEFINE(HAVE_MODULES, 1, [Define to 1 if dynamic modules are enabled])
3442 AC_DEFINE_UNQUOTED(MODULES_SUFFIX, "$MODULES_SUFFIX",
3443 [System extension for dynamic libraries])
3445 AC_SUBST(MODULES_OBJ)
3446 AC_SUBST(LIBMODULES)
3448 ### Use -lpng if available, unless '--with-png=no'.
3452 if test "${NS_IMPL_COCOA}" = yes; then
3454 elif test "${with_png}" != no; then
3455 # mingw32 loads the library dynamically.
3456 if test "$opsys" = mingw32; then
3457 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3458 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3459 AC_MSG_CHECKING([for png])
3460 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3461 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3462 # libpng-config does not work; configure by hand.
3463 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3464 # in /usr/include/libpng.
3465 if test -r /usr/include/libpng/png.h &&
3466 test ! -r /usr/include/png.h; then
3467 png_cflags=-I/usr/include/libpng
3475 CFLAGS="$CFLAGS $png_cflags"
3476 LIBS="$png_libs -lz -lm $LIBS"
3478 [AC_LANG_PROGRAM([[#include <png.h>]],
3479 [[return !png_get_channels (0, 0);]])],
3481 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3483 # $LIBPNG requires explicit -lz in some cases.
3484 # We don't know what those cases are, exactly, so play it safe and
3485 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3486 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3487 LIBPNG="$LIBPNG -lz"
3491 AC_MSG_RESULT([$HAVE_PNG])
3494 if test $HAVE_PNG = yes; then
3495 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3498 CFLAGS="$CFLAGS $PNG_CFLAGS"
3499 AC_CHECK_DECL([png_longjmp],
3501 [AC_DEFINE([PNG_DEPSTRUCT], [],
3502 [Define to empty to suppress deprecation warnings when building
3503 with --enable-gcc-warnings and with libpng versions before 1.5,
3504 which lack png_longjmp.])],
3510 AC_SUBST(PNG_CFLAGS)
3512 ### Use -ltiff if available, unless '--with-tiff=no'.
3513 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3516 if test "${opsys}" = "mingw32"; then
3517 if test "${with_tiff}" != "no"; then
3518 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3520 if test "${HAVE_TIFF}" = "yes"; then
3521 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3523 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3524 if test "${with_tiff}" != "no"; then
3525 AC_CHECK_HEADER(tiffio.h,
3527 # At least one tiff package requires the jpeg library.
3528 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3529 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3532 if test "${HAVE_TIFF}" = "yes"; then
3533 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3534 dnl FIXME -lz -lm, as per libpng?
3540 ### Use -lgif or -lungif if available, unless '--with-gif=no'.
3541 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3544 if test "${opsys}" = "mingw32"; then
3545 if test "${with_gif}" != "no"; then
3546 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3548 if test "${HAVE_GIF}" = "yes"; then
3549 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3551 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3552 || test "${HAVE_W32}" = "yes"; then
3553 AC_CHECK_HEADER(gif_lib.h,
3554 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3555 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3556 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3557 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3559 if test "$HAVE_GIF" = yes; then
3561 elif test "$HAVE_GIF" = maybe; then
3562 # If gif_lib.h but no libgif, try libungif.
3563 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3564 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3567 if test "${HAVE_GIF}" = "yes"; then
3568 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3573 dnl Check for required libraries.
3576 if test "${HAVE_X11}" = "yes"; then
3577 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3578 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3579 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3580 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3581 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3582 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3583 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3584 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3585 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3586 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3588 test "${with_gnutls}" != "no" && test "${HAVE_GNUTLS}" != "yes" &&
3589 MISSING="$MISSING gnutls" && WITH_NO="$WITH_NO --with-gnutls=no"
3590 if test "X${MISSING}" != X; then
3591 AC_MSG_ERROR([The following required libraries were not found:
3593 Maybe some development libraries/packages are missing?
3594 If you don't want to link with them give
3596 as options to configure])
3599 ### Use -lgpm if available, unless '--with-gpm=no'.
3602 if test "${with_gpm}" != "no"; then
3603 AC_CHECK_HEADER(gpm.h,
3604 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3606 if test "${HAVE_GPM}" = "yes"; then
3607 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3613 dnl Check for malloc/malloc.h on darwin
3614 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3617 ### Use NeXTstep API to implement GUI.
3618 if test "${HAVE_NS}" = "yes"; then
3619 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3620 if test "${NS_IMPL_COCOA}" = "yes"; then
3621 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3623 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3624 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3625 if test $NS_GNUSTEP_CONFIG != yes; then
3626 # See also .m.o rule in src/Makefile.in. */
3627 # FIXME: are all these flags really needed? Document here why. */
3628 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3629 ## Extra CFLAGS applied to src/*.m files.
3630 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3636 ### Use session management (-lSM -lICE) if available
3639 if test "${HAVE_X11}" = "yes"; then
3640 AC_CHECK_HEADER(X11/SM/SMlib.h,
3641 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3643 if test "${HAVE_X_SM}" = "yes"; then
3644 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3650 ### Use XRandr (-lXrandr) if available
3652 if test "${HAVE_X11}" = "yes"; then
3653 XRANDR_REQUIRED=1.2.2
3654 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3655 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3656 if test $HAVE_XRANDR = no; then
3657 # Test old way in case pkg-config doesn't have it (older machines).
3658 # Include Xrender.h by hand to work around bug in older Xrandr.h
3659 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3660 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3661 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3662 [], [AC_INCLUDES_DEFAULT
3663 #include <X11/extensions/Xrender.h>])
3664 if test $HAVE_XRANDR = yes; then
3665 XRANDR_LIBS=-lXrandr
3668 if test $HAVE_XRANDR = yes; then
3669 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3672 AC_SUBST(XRANDR_CFLAGS)
3673 AC_SUBST(XRANDR_LIBS)
3675 ### Use Xinerama (-lXinerama) if available
3677 if test "${HAVE_X11}" = "yes"; then
3678 XINERAMA_REQUIRED=1.0.2
3679 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3680 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3681 if test $HAVE_XINERAMA = no; then
3682 # Test old way in case pkg-config doesn't have it (older machines).
3683 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3684 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3685 if test $HAVE_XINERAMA = yes; then
3686 XINERAMA_LIBS=-lXinerama
3689 if test $HAVE_XINERAMA = yes; then
3690 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3693 AC_SUBST(XINERAMA_CFLAGS)
3694 AC_SUBST(XINERAMA_LIBS)
3696 ### Use Xfixes (-lXfixes) if available
3698 if test "${HAVE_X11}" = "yes"; then
3699 XFIXES_REQUIRED=4.0.0
3700 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3701 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3702 if test $HAVE_XFIXES = no; then
3703 # Test old way in case pkg-config doesn't have it (older machines).
3704 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3705 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3706 if test $HAVE_XFIXES = yes; then
3707 XFIXES_LIBS=-lXfixes
3710 if test $HAVE_XFIXES = yes; then
3711 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3714 AC_SUBST(XFIXES_CFLAGS)
3715 AC_SUBST(XFIXES_LIBS)
3717 ### Use libxml (-lxml2) if available
3718 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3720 if test "${with_xml2}" != "no"; then
3721 ### I'm not sure what the version number should be, so I just guessed.
3722 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3723 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3724 if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
3725 SAVE_CPPFLAGS="$CPPFLAGS"
3726 if test -z "$xcsdkdir" -a -n "$XCRUN" -a ! -d /usr/include; then
3727 dnl /usr/include is not found. Try Xcode SDK dir if it is sane.
3728 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
3730 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
3734 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3735 AC_CHECK_HEADER(libxml/HTMLparser.h,
3736 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3737 [#include <libxml/HTMLparser.h>])])
3738 CPPFLAGS="$SAVE_CPPFLAGS"
3739 if test "${HAVE_LIBXML2}" = "yes"; then
3740 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3741 LIBXML2_LIBS="-lxml2"
3744 if test "${HAVE_LIBXML2}" = "yes"; then
3745 if test "${opsys}" != "mingw32"; then
3746 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no,
3751 if test "${HAVE_LIBXML2}" = "yes"; then
3752 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3759 AC_SUBST(LIBXML2_LIBS)
3760 AC_SUBST(LIBXML2_CFLAGS)
3762 # Check for mail-locking functions in a "mail" library. Probably this should
3763 # have the same check as for liblockfile below.
3764 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3765 if test $have_mail = yes; then
3767 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the 'mail' library (-lmail).])
3770 LIBS="$LIBS_MAIL $LIBS"
3771 AC_CHECK_FUNCS(touchlock)
3776 dnl Debian, at least:
3777 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3778 if test $have_lockfile = yes; then
3779 LIBS_MAIL=-llockfile
3780 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the 'lockfile' library (-llockfile).])
3782 # If we have the shared liblockfile, assume we must use it for mail
3783 # locking (e.g. Debian). If we couldn't link against liblockfile
3784 # (no liblockfile.a installed), ensure that we don't need to.
3785 dnl This works for files generally, not just executables.
3786 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3787 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3788 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3789 if test $ac_cv_prog_liblockfile = yes; then
3790 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3791 This probably means that movemail could lose mail.
3792 There may be a 'development' package to install containing liblockfile.])
3795 AC_CHECK_HEADERS_ONCE(maillock.h)
3798 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3799 ## interlock access to the mail spool. The alternative is a lock file named
3800 ## /usr/spool/mail/$USER.lock.
3803 aix4-2) mail_lock="lockf" ;;
3805 gnu|freebsd|dragonfly|netbsd|openbsd|darwin) mail_lock="flock" ;;
3807 ## On GNU/Linux systems, both methods are used by various mail programs.
3808 ## I assume most people are using newer mailers that have heard of flock.
3809 ## Change this if you need to.
3810 ## Debian contains a patch which says: "On Debian/GNU/Linux systems,
3811 ## configure gets the right answers, and that means *NOT* using flock.
3812 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3813 ## for details." and then uses '#ifdef DEBIAN'. Unfortunately the
3814 ## Debian maintainer hasn't provided a clean fix for Emacs.
3815 ## movemail.c will use 'maillock' when MAILDIR, HAVE_LIBMAIL and
3816 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3817 ## correct logic. -- fx
3818 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3819 ## liblockfile is a Free Software replacement for libmail, used on
3820 ## Debian systems and elsewhere. -rfr.
3823 if test $have_mail = yes || test $have_lockfile = yes; then
3824 test $ac_cv_header_maillock_h = yes && mail_lock=no
3829 mail_lock="none-needed" ;;
3833 case "$mail_lock" in
3834 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3836 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3840 *) BLESSMAIL_TARGET="need-blessmail" ;;
3842 AC_SUBST(BLESSMAIL_TARGET)
3845 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3846 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3847 getrusage get_current_dir_name \
3848 lrand48 random rint \
3849 select getpagesize setlocale newlocale \
3850 getrlimit setrlimit shutdown \
3851 pthread_sigmask strsignal setitimer \
3852 sendto recvfrom getsockname getifaddrs freeifaddrs \
3854 getpwent endpwent getgrent endgrent \
3855 cfmakeraw cfsetspeed copysign __executable_start log2)
3858 dnl No need to check for posix_memalign if aligned_alloc works.
3859 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3860 AC_CHECK_DECLS([aligned_alloc], [], [], [[#include <stdlib.h>]])
3862 dnl Cannot use AC_CHECK_FUNCS
3863 AC_CACHE_CHECK([for __builtin_unwind_init],
3864 emacs_cv_func___builtin_unwind_init,
3865 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3866 emacs_cv_func___builtin_unwind_init=yes,
3867 emacs_cv_func___builtin_unwind_init=no)])
3868 if test $emacs_cv_func___builtin_unwind_init = yes; then
3869 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3870 [Define to 1 if you have the '__builtin_unwind_init' function.])
3873 AC_CHECK_HEADERS_ONCE(sys/un.h)
3878 AC_CHECK_FUNCS(grantpt)
3880 # PTY-related GNU extensions.
3881 AC_CHECK_FUNCS(getpt posix_openpt)
3883 # Check this now, so that we will NOT find the above functions in ncurses.
3884 # That is because we have not set up to link ncurses in lib-src.
3885 # It's better to believe a function is not available
3886 # than to expect to find it in ncurses.
3887 # Also we need tputs and friends to be able to build at all.
3888 AC_MSG_CHECKING([for library containing tputs])
3889 # Run a test program that contains a call to tputs, a call that is
3890 # never executed. This tests whether a pre-'main' dynamic linker
3891 # works with the library. It's too much trouble to actually call
3892 # tputs in the test program, due to portability hassles. When
3893 # cross-compiling, assume the test program will run if it links.
3894 AC_DEFUN([tputs_link_source], [
3896 [[extern void tputs (const char *, int, int (*)(int));
3897 int main (int argc, char **argv)
3900 tputs (argv[0], 0, 0);
3904 if test "${opsys}" = "mingw32"; then
3907 # Maybe curses should be tried earlier?
3908 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3909 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3911 if test -z "$tputs_library"; then
3915 LIBS_TERMCAP=-l$tputs_library
3917 LIBS="$LIBS_TERMCAP $LIBS"
3919 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3920 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3922 if test "X$msg" != Xno; then
3927 AC_MSG_RESULT([$msg])
3928 if test "X$msg" = Xno; then
3929 AC_MSG_ERROR([The required function 'tputs' was not found in any library.
3930 The following libraries were tried (in order):
3931 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3932 Please try installing whichever of these libraries is most appropriate
3933 for your system, together with its header files.
3934 For example, a libncurses-dev(el) or similar package.])
3937 ## Use termcap instead of terminfo?
3938 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3940 ## FIXME? In the cases below where we unconditionally set
3941 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3942 ## if that was found above to have tputs.
3943 ## Should we use the gnu* logic everywhere?
3945 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3946 ## The ncurses library has been moved out of the System framework in
3947 ## Mac OS X 10.2. So if configure detects it, set the command-line
3948 ## option to use it.
3949 darwin) LIBS_TERMCAP="-lncurses" ;;
3951 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3954 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3955 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3956 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3957 [[#if __FreeBSD_version < 400000
3960 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3962 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3964 if test $emacs_cv_freebsd_terminfo = yes; then
3965 LIBS_TERMCAP="-lncurses"
3968 LIBS_TERMCAP="-ltermcap"
3978 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3980 LIBS_TERMCAP="-ltermcap"
3984 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3986 ## hpux: Make sure we get select from libc rather than from libcurses
3987 ## because libcurses on HPUX 10.10 has a broken version of select.
3988 ## We used to use -lc -lcurses, but this may be cleaner.
3989 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3990 # set that way, now it uses the default). Isn't this a contradiction?
3991 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3995 TERMCAP_OBJ=tparam.o
3996 if test $TERMINFO = yes; then
3997 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3998 TERMCAP_OBJ=terminfo.o
4000 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
4001 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
4003 AC_SUBST(LIBS_TERMCAP)
4004 AC_SUBST(TERMCAP_OBJ)
4006 # GNU/Linux-specific timer functions.
4007 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
4009 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
4011 [[timerfd_create (CLOCK_REALTIME,
4012 TFD_CLOEXEC | TFD_NONBLOCK);
4013 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
4014 [emacs_cv_have_timerfd=yes],
4015 [emacs_cv_have_timerfd=no])])
4016 if test "$emacs_cv_have_timerfd" = yes; then
4017 AC_DEFINE([HAVE_TIMERFD], 1,
4018 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
4021 # Alternate stack for signal handlers.
4022 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
4023 [emacs_cv_alternate_stack],
4025 [AC_LANG_PROGRAM([[#include <signal.h>
4028 struct sigaction sa;
4029 ss.ss_sp = malloc (SIGSTKSZ);
4030 ss.ss_size = SIGSTKSZ;
4031 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
4032 sigaltstack (&ss, 0);
4033 sigaction (SIGSEGV, &sa, 0);]])],
4034 [emacs_cv_alternate_stack=yes],
4035 [emacs_cv_alternate_stack=no])])
4037 # Do we need the Hesiod library to provide the support routines?
4038 dnl FIXME? Should we be skipping this on Darwin too?
4041 if test "$with_hesiod" != no ; then
4042 # Don't set $LIBS here -- see comments above. FIXME which comments?
4044 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
4045 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
4046 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
4047 if test "$resolv" = yes ; then
4053 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
4054 hesiod=yes, :, $RESOLVLIB)])
4056 if test x"$hesiod" = xyes; then
4058 LIBRESOLV=$RESOLVLIB
4064 # These tell us which Kerberos-related libraries to use.
4071 if test "${with_kerberos}" != no; then
4073 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
4074 if test $have_com_err = yes; then
4075 COM_ERRLIB=-lcom_err
4076 LIBS="$COM_ERRLIB $LIBS"
4078 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
4079 if test $have_crypto = yes; then
4081 LIBS="$CRYPTOLIB $LIBS"
4083 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
4084 if test $have_k5crypto = yes; then
4085 CRYPTOLIB=-lk5crypto
4086 LIBS="$CRYPTOLIB $LIBS"
4088 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
4089 if test $have_krb5=yes; then
4091 LIBS="$KRB5LIB $LIBS"
4093 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
4094 if test "${with_kerberos5}" = no; then
4095 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
4096 if test $have_des425 = yes; then
4098 LIBS="$DESLIB $LIBS"
4100 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
4101 if test $have_des = yes; then
4103 LIBS="$DESLIB $LIBS"
4106 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
4107 if test $have_krb4 = yes; then
4109 LIBS="$KRB4LIB $LIBS"
4111 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
4112 if test $have_krb = yes; then
4114 LIBS="$KRB4LIB $LIBS"
4119 if test "${with_kerberos5}" != no; then
4120 AC_CHECK_HEADERS(krb5.h,
4121 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
4122 [#include <krb5.h>])])
4124 AC_CHECK_HEADERS(krb.h,,
4125 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
4126 [AC_CHECK_HEADERS(kerberos/krb.h)])])
4128 AC_CHECK_HEADERS(com_err.h)
4132 AC_SUBST(COM_ERRLIB)
4138 AC_CHECK_HEADERS(valgrind/valgrind.h)
4140 AC_CHECK_MEMBERS([struct unipair.unicode], [], [], [[#include <linux/kd.h>]])
4142 AC_CHECK_FUNCS_ONCE(tzset)
4145 AC_CHECK_FUNC(socket, , ok_so_far=no)
4146 if test $ok_so_far = yes; then
4147 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4149 if test $ok_so_far = yes; then
4150 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4152 if test $ok_so_far = yes; then
4153 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4154 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4155 [Define to 1 if you have inet sockets.])
4160 AC_CHECK_FUNCS(snprintf)
4162 dnl Check for glib. This differs from other library checks in that
4163 dnl Emacs need not link to glib unless some other library is already
4164 dnl linking to glib. Although glib provides no facilities that Emacs
4165 dnl needs for its own purposes, when glib is present Emacs needs to
4166 dnl use primitives like g_main_context_query to avoid clashing with
4167 dnl glib at a low level.
4169 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4173 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4174 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4175 CFLAGS="$CFLAGS $NOTIFY_CFLAGS $CAIRO_CFLAGS"
4176 LIBS="$LIBS $NOTIFY_LIBS $CAIRO_LIBS"
4177 AC_MSG_CHECKING([whether GLib is linked in])
4178 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4181 [[g_print ("Hello world");]])],
4184 AC_MSG_RESULT([$links_glib])
4185 if test "${links_glib}" = "yes"; then
4186 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4187 if test "$HAVE_NS" = no;then
4195 dnl Adapted from Haible's version.
4196 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4197 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4198 [[char* cs = nl_langinfo(CODESET);]])],
4199 emacs_cv_langinfo_codeset=yes,
4200 emacs_cv_langinfo_codeset=no)
4202 if test $emacs_cv_langinfo_codeset = yes; then
4203 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4204 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4209 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4210 dnl how the tty code is related to POSIX and/or other versions of termios.
4211 dnl The following looks like a useful start.
4213 dnl AC_SYS_POSIX_TERMIOS
4214 dnl if test $ac_cv_sys_posix_termios = yes; then
4215 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4216 dnl and macros for terminal control.])
4217 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4220 dnl Turned on June 1996 supposing nobody will mind it.
4221 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4222 if test "${opsys}" != "mingw32"; then
4223 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4224 in the full name stands for the login id.])
4227 dnl Everybody supports this, except MS.
4228 dnl Seems like the kind of thing we should be testing for, though.
4229 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4230 if test "${opsys}" != "mingw32"; then
4231 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4234 dnl Everybody supports this, except MS-DOS.
4235 dnl Seems like the kind of thing we should be testing for, though.
4236 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4237 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4238 4.2-compatible sockets.])
4240 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4242 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4243 a null file, or a data sink.])
4244 if test "${opsys}" = "mingw32"; then
4245 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4247 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4250 if test "${opsys}" = "mingw32"; then
4255 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4256 dnl This is for MinGW, and is used in test/Makefile.in.
4257 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4258 dnl decides that a command-line argument to be passed to a MinGW program
4259 dnl is a PATH-style list of directories. But that heuristics plays it
4260 dnl safe, and only does the replacement when it is _absolutely_ sure it
4261 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4262 dnl which breaks in-tree builds. So we do this manually instead.
4263 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4264 dnl be computed as ':' in MSYS Bash.
4267 dnl Everybody supports this, except MS-DOS.
4268 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4270 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4273 AC_DEFINE(DIRECTORY_SEP, ['/'],
4274 [Character that separates directories in a file name.])
4276 if test "${opsys}" = "mingw32"; then
4277 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4278 [Returns true if character is a device separator.])
4280 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4281 [Returns true if character is a directory separator.])
4283 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4284 [Returns true if character is any form of separator.])
4286 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4287 [Returns true if character is a device separator.])
4289 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4290 [Returns true if character is a directory separator.])
4292 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4293 [Returns true if character is any form of separator.])
4296 if test "$USE_X_TOOLKIT" != "none"; then
4300 dnl Assar Westerlund <assar@sics.se> says this is necessary
4301 dnl for HP-UX 10.20, and that it works for HP-UX 0 as well.
4305 if test "$have_editres" != no && test ! -z "$LIBXMU"; then
4307 dnl See libXmu.a check above.
4308 if test x$HAVE_X11XTR6 = xyes; then
4309 LIBS="-lXt -lSM -lICE $LIBXMU"
4311 OTHERLIBS="-lXt -$LIBXMU"
4314 [#include <X11/Intrinsic.h>
4315 #include <X11/Xmu/Editres.h>],
4316 [_XEditResCheckMessages (0, 0, 0, 0);],
4317 [AC_DEFINE([X_TOOLKIT_EDITRES], 1,
4318 [Define to 1 if we should use XEditRes.])])
4325 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4326 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4327 dnl need the constant to dimension an array. So wire in the appropriate
4329 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4333 emacs_broken_SIGIO=no
4336 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4337 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4338 hpux* | nacl | openbsd | sol2* | unixware )
4339 emacs_broken_SIGIO=yes
4343 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4344 dnl the way this system works, libc functions that return malloced
4345 dnl memory use the libc malloc implementation. Calling xfree or
4346 dnl xrealloc on the results of such functions results in a crash.
4348 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4349 dnl but that does not currently work on this system.
4351 dnl It is possible to completely override the malloc implementation on
4352 dnl AIX, but that involves putting the malloc functions in a shared
4353 dnl library and setting the MALLOCTYPE environment variable to point to
4354 dnl that shared library.
4356 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4357 dnl to avoid a crash just use the Emacs implementation for that function.
4359 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4360 dnl of this file, so that we do not check for get_current_dir_name
4361 dnl on AIX. But that might be fragile if something else ends
4362 dnl up testing for get_current_dir_name as a dependency.
4363 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4364 get_current_dir_name should not be used.])
4368 dnl Circumvent a bug in FreeBSD. In the following sequence of
4369 dnl writes/reads on a PTY, read(2) returns bogus data:
4371 dnl write(2) 1022 bytes
4372 dnl write(2) 954 bytes, get EAGAIN
4373 dnl read(2) 1024 bytes in process_read_output
4374 dnl read(2) 11 bytes in process_read_output
4376 dnl That is, read(2) returns more bytes than have ever been written
4377 dnl successfully. The 1033 bytes read are the 1022 bytes written
4378 dnl successfully after processing (for example with CRs added if the
4379 dnl terminal is set up that way which it is here). The same bytes will
4380 dnl be seen again in a later read(2), without the CRs.
4381 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4382 work around an issue when reading from a PTY.])
4388 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4389 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4394 darwin | dragonfly | freebsd | netbsd | openbsd )
4395 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4396 close a pty to make it a controlling terminal (it is already a
4397 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4401 dnl FIXME Surely we can test for this rather than hard-code it.
4403 netbsd | openbsd) sound_device="/dev/audio" ;;
4404 *) sound_device="/dev/dsp" ;;
4408 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4409 [Name of the default sound device.])
4412 dnl Emacs can read input using SIGIO and buffering characters itself,
4413 dnl or using CBREAK mode and making C-g cause SIGINT.
4414 dnl The choice is controlled by the variable interrupt_input.
4416 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4418 dnl Emacs uses the presence of the USABLE_SIGIO macro
4419 dnl to indicate whether or not signal-driven I/O is possible. It uses
4420 dnl INTERRUPT_INPUT to decide whether to use it by default.
4422 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4423 dnl CBREAK mode has two disadvantages
4424 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4425 dnl I hear that in system V this problem does not exist.
4426 dnl 2) Control-G causes output to be discarded.
4427 dnl I do not know whether this can be fixed in system V.
4429 dnl Another method of doing input is planned but not implemented.
4430 dnl It would have Emacs fork off a separate process
4431 dnl to read the input and send it to the true Emacs process
4434 darwin | gnu-linux | gnu-kfreebsd )
4435 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4440 dnl If the system's imake configuration file defines 'NeedWidePrototypes'
4441 dnl as 'NO', we must define NARROWPROTO manually. Such a define is
4442 dnl generated in the Makefile generated by 'xmkmf'. If we don't define
4443 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4444 dnl taking float or double parameters.
4446 cygwin|gnu|gnu-linux|gnu-kfreebsd|freebsd|netbsd|openbsd)
4447 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4448 file defines 'NeedWidePrototypes' as 'NO'.])
4453 dnl Used in process.c, this must be a loop, even if it only runs once.
4454 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4455 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4456 dnl trying suffixes 0-16.
4457 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4458 first PTY, if PTYs are supported.])
4459 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4460 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4461 end of a PTY, if non-standard.])
4462 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4463 end of a PTY, if non-standard.])
4467 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4468 dnl You allocate a pty by opening /dev/ptc to get the master side.
4469 dnl To get the name of the slave side, you just ttyname() the master side.
4470 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4471 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4475 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4476 dnl multi-line AC_DEFINEs are hard. :(
4477 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)])
4478 AC_DEFINE(PTY_NAME_SPRINTF, [])
4479 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4483 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4486 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd | darwin | nacl )
4488 if test "x$ac_cv_func_grantpt" = xyes; then
4489 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4490 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4491 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4492 dnl to prevent sigchld_handler from intercepting the child's death.
4493 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); }])
4494 dnl if HAVE_POSIX_OPENPT
4495 if test "x$ac_cv_func_posix_openpt" = xyes; then
4496 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4497 AC_DEFINE(PTY_NAME_SPRINTF, [])
4499 elif test "x$ac_cv_func_getpt" = xyes; then
4500 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4501 AC_DEFINE(PTY_NAME_SPRINTF, [])
4503 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4506 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4511 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4512 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4513 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4517 dnl On SysVr4, grantpt(3) forks a subprocess, so do not use
4518 dnl O_CLOEXEC when opening the pty, and keep the SIGCHLD handler
4519 dnl from intercepting that death. If any child but grantpt's should die
4520 dnl within, it should be caught after sigrelse(2).
4521 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4522 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); }])
4526 dnl Comments are as per sol2*.
4527 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4528 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); }])
4535 dnl This change means that we don't loop through allocate_pty too
4536 dnl many times in the (rare) event of a failure.
4537 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4538 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4539 dnl Push various streams modules onto a PTY channel. Used in process.c.
4540 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.])
4545 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4546 "typing" a signal character on the pty.])
4549 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4550 aix4-2 | cygwin | gnu | dragonfly | freebsd | netbsd | openbsd | darwin )
4551 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4554 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4555 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4556 gnu-linux | gnu-kfreebsd )
4558 AC_MSG_CHECKING([for signals via characters])
4559 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4560 #include <linux/version.h>
4561 #if LINUX_VERSION_CODE < 0x20400
4562 # error "Linux version too old"
4564 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4566 AC_MSG_RESULT([$emacs_signals_via_chars])
4567 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4572 AH_TEMPLATE(TAB3, [Undocumented.])
4575 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4577 gnu | dragonfly | freebsd | netbsd | openbsd )
4578 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4579 AC_DEFINE(TAB3, OXTABS)
4582 gnu-linux | gnu-kfreebsd )
4583 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4587 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4588 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4589 [Mark a secondary stack, like the register stack on the ia64.]), [])
4593 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4594 run_time_remap; for HPUX.])
4599 dnl This won't be used automatically yet. We also need to know, at least,
4600 dnl that the stack is continuous.
4601 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4602 registers relevant for conservative garbage collection in the jmp_buf.])
4606 dnl Not all the architectures are tested, but there are Debian packages
4607 dnl for SCM and/or Guile on them, so the technique must work. See also
4608 dnl comments in alloc.c concerning setjmp and gcc.
4609 dnl Fixme: it's probably safe to just use the GCC conditional below.
4610 gnu-linux | gnu-kfreebsd )
4611 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4612 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4613 || defined __alpha__ || defined __mips__ || defined __s390__ \
4614 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4615 || defined __ia64__ || defined __sh__
4618 # error "setjmp not known to work on this arch"
4620 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4625 if test x$GCC = xyes; then
4626 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4627 AC_DEFINE(GC_SETJMP_WORKS, 1)
4630 aix* | dragonfly | freebsd | netbsd | openbsd | sol2* )
4631 AC_DEFINE(GC_SETJMP_WORKS, 1)
4636 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4637 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4640 [[#include <setjmp.h>
4642 # define _longjmp longjmp
4647 _longjmp (j, 1);]])],
4648 [emacs_cv_func__setjmp=yes],
4649 [emacs_cv_func__setjmp=no])])
4650 if test $emacs_cv_func__setjmp = yes; then
4651 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4654 # We need to preserve signal mask to handle C stack overflows.
4655 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4658 [[#include <setjmp.h>
4661 if (! sigsetjmp (j, 1))
4662 siglongjmp (j, 1);]])],
4663 [emacs_cv_func_sigsetjmp=yes],
4664 [emacs_cv_func_sigsetjmp=no])])
4665 if test $emacs_cv_func_sigsetjmp = yes; then
4666 AC_DEFINE([HAVE_SIGSETJMP], 1,
4667 [Define to 1 if sigsetjmp and siglongjmp work.])
4670 case $emacs_cv_func_sigsetjmp,$emacs_cv_alternate_stack,$opsys in
4671 yes,yes,* | *,*,mingw32)
4672 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4673 [Define to 1 if C stack overflow can be handled in some cases.]);;
4678 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4679 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4680 dnl and this is all we need.
4681 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4688 dnl Used in xfaces.c.
4689 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4690 some systems, where it requires time.h.])
4695 dnl Define symbols to identify the version of Unix this is.
4696 dnl Define all the symbols that apply correctly.
4697 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4698 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4699 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4700 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4705 dnl This symbol should be defined on AIX Version 3 ???????
4706 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4708 # error "_AIX not defined"
4710 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4714 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4718 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4719 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4720 dnl distinguish OS X from pure Darwin.
4721 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4724 gnu-linux | gnu-kfreebsd )
4726 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4731 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4735 AC_DEFINE(DOS_NT, [])
4736 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4737 if test "x$ac_enable_checking" != "x" ; then
4738 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4744 AC_DEFINE(USG5_4, [])
4745 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4750 AC_DEFINE(USG5_4, [])
4754 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4757 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4758 emacs_cv_usable_FIONREAD=no
4762 emacs_cv_usable_FIONREAD=yes
4767 [AC_LANG_PROGRAM([[#include <sys/types.h>
4768 #include <sys/ioctl.h>
4770 # include <sys/filio.h>
4773 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4774 [emacs_cv_usable_FIONREAD=yes],
4775 [emacs_cv_usable_FIONREAD=no])
4778 if test $emacs_cv_usable_FIONREAD = yes; then
4779 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4781 if test $emacs_broken_SIGIO = no; then
4782 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4784 [AC_LANG_PROGRAM([[#include <fcntl.h>
4787 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4788 [emacs_cv_usable_SIGIO=yes],
4789 [emacs_cv_usable_SIGIO=no])],
4790 [emacs_cv_usable_SIGIO=yes],
4791 [emacs_cv_usable_SIGIO=no])
4792 if test $emacs_cv_usable_SIGIO = yes; then
4793 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4800 dnl It works to open the pty's tty in the parent (Emacs), then
4801 dnl close and reopen it in the child.
4802 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4803 works to open a pty's tty in the parent process, then close and
4804 reopen it in the child.])
4808 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4813 # Set up the CFLAGS for real compilation, so we can substitute it.
4814 CFLAGS="$REAL_CFLAGS"
4815 CPPFLAGS="$REAL_CPPFLAGS"
4818 ## Hack to detect a buggy GCC version.
4819 if test "$GCC" = yes && \
4820 $CC --version 2> /dev/null | grep 'gcc.* 4.5.0' >/dev/null; then
4822 *-fno-optimize-sibling-calls*) ;;
4824 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS.]);;
4828 version=$PACKAGE_VERSION
4830 copyright="Copyright (C) 2016 Free Software Foundation, Inc."
4831 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4832 [Short copyright string for this version of Emacs.])
4835 ### Specify what sort of things we'll be editing into Makefile and config.h.
4836 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4838 AC_SUBST(configuration)
4843 AC_SUBST(exec_prefix)
4846 AC_SUBST(sharedstatedir)
4847 AC_SUBST(libexecdir)
4851 AC_SUBST(standardlisppath)
4852 AC_SUBST(locallisppath)
4854 AC_SUBST(x_default_search_path)
4856 AC_SUBST(archlibdir)
4862 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4863 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4864 ## end of LIBX_BASE, but nothing ever set it.
4865 AC_SUBST(LD_SWITCH_X_SITE)
4866 AC_SUBST(C_SWITCH_X_SITE)
4867 AC_SUBST(GNUSTEP_CFLAGS)
4869 ## Used in lwlib/Makefile.in.
4870 AC_SUBST(X_TOOLKIT_TYPE)
4872 AC_SUBST(ns_appbindir)
4873 AC_SUBST(ns_appresdir)
4875 AC_SUBST(GNU_OBJC_CFLAGS)
4876 AC_SUBST(OTHER_FILES)
4878 if test -n "${term_header}"; then
4879 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4880 [Define to the header for the built-in window system.])
4883 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4884 [Define to the canonical Emacs configuration name.])
4885 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4886 [Define to the options passed to configure.])
4887 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4888 define this to include extra configuration information.])
4892 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4899 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4900 AC_DEFINE(HAVE_X_WINDOWS, 1,
4901 [Define to 1 if you want to use the X window system.])
4903 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4905 if test "$HAVE_CAIRO" = "yes"; then
4906 FONT_OBJ="ftfont.o ftcrfont.o"
4907 elif test "$HAVE_XFT" = "yes"; then
4908 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4909 elif test "$HAVE_FREETYPE" = "yes"; then
4910 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4920 if test "${USE_X_TOOLKIT}" != "none" ; then
4922 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4923 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4924 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4925 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4926 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4930 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4931 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4935 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4936 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4937 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4941 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4942 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4945 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4948 AC_SUBST(WIDGET_OBJ)
4951 case "$USE_X_TOOLKIT" in
4952 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4953 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4954 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4956 if test "$HAVE_XWIDGETS" = "yes"; then
4957 TOOLKIT_LIBW="$TOOLKIT_LIBW -lXcomposite"
4959 AC_SUBST(TOOLKIT_LIBW)
4961 if test "${opsys}" != "mingw32"; then
4962 if test "$USE_X_TOOLKIT" = "none"; then
4963 LIBXT_OTHER="\$(LIBXSM)"
4965 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4968 AC_SUBST(LIBXT_OTHER)
4970 if test "${HAVE_X11}" = "yes" ; then
4971 AC_DEFINE(HAVE_X11, 1,
4972 [Define to 1 if you want to use version 11 of X windows.])
4973 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4977 AC_SUBST(LIBX_OTHER)
4979 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4981 elif test "$USE_X_TOOLKIT" = none; then
4982 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4984 LIBXMENU='$(lwlibdir)/liblw.a'
4988 AC_CACHE_CHECK([for struct alignment],
4989 [emacs_cv_struct_alignment],
4991 [AC_LANG_PROGRAM([[#include <stddef.h>
4992 struct __attribute__ ((aligned (8))) s { char c; };
4993 struct t { char c; struct s s; };
4994 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4996 [emacs_cv_struct_alignment=yes],
4997 [emacs_cv_struct_alignment=no])])
4998 if test "$emacs_cv_struct_alignment" = yes; then
4999 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
5000 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
5001 structure to an N-byte boundary.])
5004 if test "${GNU_MALLOC}" = "yes" ; then
5005 AC_DEFINE(GNU_MALLOC, 1,
5006 [Define to 1 if you want to use the GNU memory allocator.])
5010 if test "${REL_ALLOC}" = "yes" ; then
5011 AC_DEFINE(REL_ALLOC, 1,
5012 [Define REL_ALLOC if you want to use the relocating allocator for
5015 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
5017 AC_SUBST(RALLOC_OBJ)
5019 if test "$opsys" = "cygwin"; then
5020 CYGWIN_OBJ="cygw32.o"
5021 ## Cygwin differs because of its unexec().
5023 POST_ALLOC_OBJ=lastfile.o
5024 elif test "$opsys" = "mingw32"; then
5027 POST_ALLOC_OBJ=lastfile.o
5030 PRE_ALLOC_OBJ=lastfile.o
5033 AC_SUBST(CYGWIN_OBJ)
5034 AC_SUBST(PRE_ALLOC_OBJ)
5035 AC_SUBST(POST_ALLOC_OBJ)
5037 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
5038 dnl verbatim defined above. The tricky name is apropos, as this hack
5039 dnl makes Fortify go sour!
5040 AH_VERBATIM([FORTIFY_SOUR],
5041 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
5042 The workaround disables some useful run-time checking, so it
5043 should be conditional to the platforms with the performance bug.
5044 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
5045 #if defined __APPLE__ && defined __GNUC__
5046 # ifndef _DONT_USE_CTYPE_INLINE_
5047 # define _DONT_USE_CTYPE_INLINE_
5049 # ifndef _FORTIFY_SOURCE
5050 # define _FORTIFY_SOURCE 0
5055 # If user asks to omit features, disable optional features that gnulib
5056 # might otherwise enable.
5057 if test "$with_features" = no && test "$enable_acl" != yes; then
5061 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
5062 # it temporarily reverts them to their pre-pkg-config values,
5063 # because gnulib needs to work with both src (which uses the
5064 # pkg-config stuff) and lib-src (which does not). For example, gnulib
5065 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
5066 # and it therefore needs to run in an environment where LIBS does not
5067 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
5068 # for some package unrelated to lib-src.
5071 CFLAGS=$pre_PKG_CONFIG_CFLAGS
5072 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
5073 gl_ASSERT_NO_GNULIB_POSIXCHECK
5074 gl_ASSERT_NO_GNULIB_TESTS
5079 if test "${opsys}" = "mingw32"; then
5080 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
5081 # Remove unneeded switches from the value of CC that goes to Makefiles
5082 CC=`AS_ECHO(["$CC"]) | sed -e "s,$GCC_TEST_OPTIONS,,"`
5086 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
5088 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
5091 ## The -headerpad option tells ld (see man page) to leave room at the
5092 ## end of the header for adding load commands. Needed for dumping.
5093 ## 0x1000 is enough for roughly 52 load commands on the x86_64
5094 ## architecture (where they are 78 bytes each). The actual number of
5095 ## load commands added is not consistent but normally ranges from
5096 ## about 14 to about 34. Setting it high gets us plenty of slop and
5097 ## only costs about 1.5K of wasted binary space.
5098 headerpad_extra=1000
5099 if test "$HAVE_NS" = "yes"; then
5100 libs_nsgui="-framework AppKit"
5101 if test "$NS_IMPL_COCOA" = "yes"; then
5102 libs_nsgui="$libs_nsgui -framework IOKit"
5107 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
5109 ## This is here because src/Makefile.in did some extra fiddling around
5110 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
5111 ## LD_SWITCH_SYSTEM_TEMACS instead,
5112 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
5113 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5116 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5117 ## find X at run-time.
5118 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5119 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5120 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5121 ## had different values in configure (in ac_link) and src/Makefile.in.
5122 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5123 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5126 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5127 case "$canonical" in
5128 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5129 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5133 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5136 # -nopie fixes a temacs segfault on Gentoo, OpenBSD, and other systems
5137 # with "hardened" GCC configurations for some reason (Bug#18784).
5138 # We don't know why -nopie works, but not segfaulting is better than
5139 # segfaulting. Use ac_c_werror_flag=yes when trying -nopie, otherwise
5140 # clang keeps warning that it does not understand -nopie, and pre-4.6
5141 # GCC has a similar problem (Bug#20338).
5142 AC_CACHE_CHECK([whether $CC accepts -nopie],
5143 [emacs_cv_prog_cc_nopie],
5144 [emacs_save_c_werror_flag=$ac_c_werror_flag
5145 emacs_save_LDFLAGS=$LDFLAGS
5146 ac_c_werror_flag=yes
5147 LDFLAGS="$LDFLAGS -nopie"
5148 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
5149 [emacs_cv_prog_cc_nopie=yes],
5150 [emacs_cv_prog_cc_nopie=no])
5151 ac_c_werror_flag=$emacs_save_c_werror_flag
5152 LDFLAGS=$emacs_save_LDFLAGS])
5153 if test "$emacs_cv_prog_cc_nopie" = yes; then
5154 LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -nopie"
5157 if test x$ac_enable_profiling != x ; then
5159 *freebsd | gnu-linux) ;;
5160 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5164 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5166 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5168 ## Common for all window systems
5169 if test "$window_system" != "none"; then
5170 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5171 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5172 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5175 AC_SUBST(WINDOW_SYSTEM_OBJ)
5177 AH_TOP([/* GNU Emacs site configuration template file.
5179 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2016
5180 Free Software Foundation, Inc.
5182 This file is part of GNU Emacs.
5184 GNU Emacs is free software: you can redistribute it and/or modify
5185 it under the terms of the GNU General Public License as published by
5186 the Free Software Foundation, either version 3 of the License, or (at
5187 your option) any later version.
5189 GNU Emacs is distributed in the hope that it will be useful,
5190 but WITHOUT ANY WARRANTY; without even the implied warranty of
5191 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5192 GNU General Public License for more details.
5194 You should have received a copy of the GNU General Public License
5195 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5198 /* No code in Emacs #includes config.h twice, but some bits of code
5199 intended to work with other packages as well (like gmalloc.c)
5200 think they can include it as many times as they like. */
5201 #ifndef EMACS_CONFIG_H
5202 #define EMACS_CONFIG_H
5205 AH_BOTTOM([#include <conf_post.h>
5207 #endif /* EMACS_CONFIG_H */
5216 #### Report on what we decided to do.
5217 #### Report GTK as a toolkit, even if it doesn't use Xt.
5218 #### It makes printing result more understandable as using GTK sets
5219 #### toolkit_scroll_bars to yes by default.
5220 if test "${HAVE_GTK}" = "yes"; then
5221 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5224 if test $USE_ACL -ne 0; then
5225 ACL_SUMMARY="yes $LIB_ACL"
5230 emacs_standard_dirs='Standard dirs'
5232 Configured for '${canonical}'.
5234 Where should the build process find the source code? ${srcdir}
5235 What compiler should emacs be built with? ${CC} ${CFLAGS}
5236 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5237 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5238 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5239 What window system should Emacs use? ${window_system}
5240 What toolkit should Emacs use? ${USE_X_TOOLKIT}
5241 Where do we find X Windows header files? ${x_includes:-$emacs_standard_dirs}
5242 Where do we find X Windows libraries? ${x_libraries:-$emacs_standard_dirs}"])
5245 emacs_config_features=
5246 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS \
5247 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5248 LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS X_TOOLKIT X11 NS MODULES \
5249 XWIDGETS LIBSYSTEMD CANNOT_DUMP; do
5252 CANNOT_DUMP) eval val=\${$opt} ;;
5253 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5254 TOOLKIT_SCROLL_BARS|X_TOOLKIT) eval val=\${USE_$opt} ;;
5255 *) eval val=\${HAVE_$opt} ;;
5258 xno|xnone|x) continue ;;
5263 GTK*|LUCID|MOTIF) opt=$val ;;
5268 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5271 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5272 [Summary of some of the main features enabled by configure.])
5274 AS_ECHO([" Does Emacs use -lXaw3d? ${HAVE_XAW3D}
5275 Does Emacs use -lXpm? ${HAVE_XPM}
5276 Does Emacs use -ljpeg? ${HAVE_JPEG}
5277 Does Emacs use -ltiff? ${HAVE_TIFF}
5278 Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF
5279 Does Emacs use a png library? ${HAVE_PNG} $LIBPNG
5280 Does Emacs use -lrsvg-2? ${HAVE_RSVG}
5281 Does Emacs use cairo? ${HAVE_CAIRO}
5282 Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}
5283 Does Emacs support sound? ${HAVE_SOUND}
5284 Does Emacs use -lgpm? ${HAVE_GPM}
5285 Does Emacs use -ldbus? ${HAVE_DBUS}
5286 Does Emacs use -lgconf? ${HAVE_GCONF}
5287 Does Emacs use GSettings? ${HAVE_GSETTINGS}
5288 Does Emacs use a file notification library? ${NOTIFY_SUMMARY}
5289 Does Emacs use access control lists? ${ACL_SUMMARY}
5290 Does Emacs use -lselinux? ${HAVE_LIBSELINUX}
5291 Does Emacs use -lgnutls? ${HAVE_GNUTLS}
5292 Does Emacs use -lxml2? ${HAVE_LIBXML2}
5293 Does Emacs use -lfreetype? ${HAVE_FREETYPE}
5294 Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}
5295 Does Emacs use -lotf? ${HAVE_LIBOTF}
5296 Does Emacs use -lxft? ${HAVE_XFT}
5297 Does Emacs use -lsystemd? ${HAVE_LIBSYSTEMD}
5298 Does Emacs directly use zlib? ${HAVE_ZLIB}
5299 Does Emacs have dynamic modules support? ${HAVE_MODULES}
5300 Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}
5301 Does Emacs support Xwidgets (requires gtk3)? ${HAVE_XWIDGETS}
5304 if test -n "${EMACSDATA}"; then
5305 AS_ECHO([" Environment variable EMACSDATA set to: $EMACSDATA"])
5307 if test -n "${EMACSDOC}"; then
5308 AS_ECHO([" Environment variable EMACSDOC set to: $EMACSDOC"])
5313 if test "$HAVE_NS" = "yes"; then
5315 AS_ECHO(["You must run \"${MAKE-make} install\" in order to test the built application.
5316 The installed application will go to nextstep/Emacs.app and can be
5317 run or moved from there."])
5318 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5319 echo "The application will be fully self-contained."
5321 AS_ECHO(["The lisp resources for the application will be installed under ${prefix}.
5322 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5323 to run if these resources are not installed."])
5328 if test "${opsys}" = "cygwin"; then
5330 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5336 # Remove any trailing slashes in these variables.
5338 */) prefix=`AS_DIRNAME(["$prefix."])`;;
5340 case $exec_prefix in
5341 */) exec_prefix=`AS_DIRNAME(["$exec_prefix."])`;;
5344 if test "$HAVE_NS" = "yes"; then
5345 if test "$NS_IMPL_GNUSTEP" = yes; then
5346 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5347 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5348 ns_check_file=Resources/Info-gnustep.plist
5350 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5351 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5352 ns_check_file=Contents/Info.plist
5354 AC_SUBST(ns_check_file)
5357 dnl config.status treats $srcdir specially, so I think this is ok...
5358 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5360 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5361 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5362 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5363 dnl (else you get "no 'Makefile.am' found for any configure output").
5364 dnl This will work, but you get a config.status that is not quite right
5365 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5366 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5367 dnl it seems better to just live with the duplication.
5368 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5370 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5371 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5372 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5373 leim/Makefile nextstep/Makefile nt/Makefile])
5375 dnl test/ is not present in release tarfiles.
5376 opt_makefile=test/Makefile
5378 if test -f "$srcdir/$opt_makefile.in"; then
5379 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5380 dnl Again, it's best not to use a variable. Though you can add
5381 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5382 AC_CONFIG_FILES([test/Makefile])
5386 dnl The admin/ directory used to be excluded from tarfiles.
5387 if test -d $srcdir/admin; then
5388 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/charsets/Makefile admin/unidata/Makefile admin/grammars/Makefile"
5389 AC_CONFIG_FILES([admin/charsets/Makefile])
5390 AC_CONFIG_FILES([admin/unidata/Makefile])
5391 AC_CONFIG_FILES([admin/grammars/Makefile])
5395 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5397 AC_SUBST(SUBDIR_MAKEFILES_IN)
5399 dnl You might wonder (I did) why epaths.h is generated by running make,
5400 dnl rather than just letting configure generate it from epaths.in.
5401 dnl One reason is that the various paths are not fully expanded (see above);
5402 dnl eg gamedir=${prefix}/var/games/emacs.
5403 dnl Secondly, the GNU Coding standards require that one should be able
5404 dnl to run 'make prefix=/some/where/else' and override the values set
5405 dnl by configure. This also explains the 'move-if-change' test and
5406 dnl the use of force in the 'epaths-force' rule in Makefile.in.
5407 AC_CONFIG_COMMANDS([src/epaths.h], [
5408 if test "${opsys}" = "mingw32"; then
5409 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5411 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5412 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5413 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5415 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5416 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5418 AC_CONFIG_COMMANDS([src/.gdbinit], [
5419 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5420 AS_ECHO(["source $ac_abs_top_srcdir/src/.gdbinit"]) > src/.gdbinit
5424 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5425 dnl See comments for etc-refcards-emacsver.tex.
5426 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5427 dnl it is not quite the same. But we are generating in $srcdir.
5428 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5429 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5430 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5433 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5434 dnl then a directory etc/refcards is created in the build directory,
5435 dnl which is probably harmless, but confusing (in out-of-tree builds).
5436 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5437 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5438 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5439 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5440 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5445 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])