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 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
779 AC_DEFUN([gl_CRYPTO_CHECK])
780 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
781 # as we don't use them.
782 AC_DEFUN([gl_FCNTL_O_FLAGS])
783 # Avoid gnulib's test for pthread_sigmask.
785 for func in $ac_func_list; do
786 test $func = pthread_sigmask || AS_VAR_APPEND([funcs], [" $func"])
789 # Use the system putenv even if it lacks GNU features, as we don't need them,
790 # and the gnulib replacement runs afoul of a FreeBSD 10.1 bug; see Bug#19874.
791 AC_CHECK_FUNCS_ONCE([putenv])
792 AC_DEFUN([gl_FUNC_PUTENV],
793 [test "$ac_cv_func_putenv" = yes || REPLACE_PUTENV=1])
795 # Initialize gnulib right after choosing the compiler.
796 dnl Amongst other things, this sets AR and ARFLAGS.
799 if test "$ac_test_CFLAGS" != set; then
800 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
801 # if -g3 works and the user does not specify CFLAGS.
802 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
805 emacs_g3_CFLAGS='-g3';;
807 emacs_g3_CFLAGS='-g3 -O2';;
811 if test -n "$emacs_g3_CFLAGS"; then
812 emacs_save_CFLAGS=$CFLAGS
813 CFLAGS=$emacs_g3_CFLAGS
814 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
815 [emacs_cv_prog_cc_g3],
816 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
817 [emacs_cv_prog_cc_g3=yes],
818 [emacs_cv_prog_cc_g3=no])])
819 if test $emacs_cv_prog_cc_g3 != yes; then
820 CFLAGS=$emacs_save_CFLAGS
822 if test $opsys = mingw32; then
823 CFLAGS="$CFLAGS -gdwarf-2"
830 # No optimization flag was inferred for this non-GCC compiler.
831 # Try -O. This is needed for xlc on AIX; see Bug#14258.
832 emacs_save_CFLAGS=$CFLAGS
833 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
835 AC_CACHE_CHECK([whether $CC accepts -O],
836 [emacs_cv_prog_cc_o],
837 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
838 [emacs_cv_prog_cc_o=yes],
839 [emacs_cv_prog_cc_o=no])])
840 if test $emacs_cv_prog_cc_o != yes; then
841 CFLAGS=$emacs_save_CFLAGS
846 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
847 # ---------------------------------------------------------------------------
848 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
849 # Otherwise, run RUN-IF-NOT-FOUND.
850 AC_DEFUN([gl_GCC_VERSION_IFELSE],
854 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
857 # error "your version of gcc is older than $1.$2"
864 AC_ARG_ENABLE([gcc-warnings],
865 [AS_HELP_STRING([--enable-gcc-warnings@<:@=TYPE@:>@],
866 [control generation of GCC warnings. The TYPE 'yes'
867 means to fail if any warnings are issued; 'warn-only'
868 means issue warnings without failing (default for
869 developer builds); 'no' means disable warnings
870 (default for non-developer builds).])],
873 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
875 gl_gcc_warnings=$enableval],
876 [# By default, use 'warn-only' if it looks like the invoker of 'configure'
877 # is a developer as opposed to a builder. This is most likely true
878 # if GCC is recent enough and there is a .git directory or file;
879 # however, if there is also a .tarball-version file it is probably
880 # just a release imported into Git for patch management.
882 if test -e "$srcdir"/.git && test ! -f "$srcdir"/.tarball-version; then
883 gl_GCC_VERSION_IFELSE([5], [3], [gl_gcc_warnings=warn-only])]
887 # clang is unduly picky about some things.
888 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
895 [emacs_cv_clang=yes],
896 [emacs_cv_clang=no])])
898 # When compiling with GCC, prefer -isystem to -I when including system
899 # include files, to avoid generating useless diagnostics for the files.
900 AS_IF([test $gl_gcc_warnings = no],
903 AS_IF([test "$emacs_cv_clang" = yes],
905 # Turn off some warnings if supported.
906 gl_WARN_ADD([-Wno-switch])
907 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
908 gl_WARN_ADD([-Wno-pointer-sign])
909 gl_WARN_ADD([-Wno-string-plus-int])
910 gl_WARN_ADD([-Wno-unknown-attributes])
915 # This, $nw, is the list of warnings we disable.
918 case $with_x_toolkit in
919 lucid | athena | motif)
920 # Old toolkits mishandle 'const'.
921 nw="$nw -Wwrite-strings"
924 AS_IF([test $gl_gcc_warnings = yes],
925 [gl_WARN_ADD([-Werror], [WERROR_CFLAGS])])
926 AC_SUBST([WERROR_CFLAGS])
928 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
929 nw="$nw -Woverlength-strings" # Not a problem these days
930 nw="$nw -Wformat-nonliteral" # we do this a lot
931 nw="$nw -Wvla" # Emacs uses <vla.h>.
932 nw="$nw -Wswitch-default" # Too many warnings for now
933 nw="$nw -Wunused-const-variable=2" # lisp.h declares const objects.
934 nw="$nw -Winline" # OK to ignore 'inline'
935 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
936 # signed overflow has undefined behavior
937 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
938 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
939 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
941 # Emacs doesn't care about shadowing; see
942 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
945 # Emacs's use of alloca inhibits protecting the stack.
946 nw="$nw -Wstack-protector"
948 # Emacs's use of partly-const functions such as Fgnutls_available_p
949 # make this option problematic.
950 nw="$nw -Wsuggest-attribute=const"
952 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
953 # option problematic.
954 nw="$nw -Wsuggest-attribute=pure"
956 # This part is merely for shortening the command line,
957 # since -Wall implies -Wswitch.
960 # This part is merely for shortening the command line,
961 # since -Wno-FOO needs to be added below regardless.
962 nw="$nw -Wmissing-field-initializers"
963 nw="$nw -Wtype-limits"
964 nw="$nw -Wunused-parameter"
966 if test $emacs_cv_clang = yes; then
967 nw="$nw -Wcast-align"
970 gl_MANYWARN_ALL_GCC([ws])
971 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
975 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
976 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
977 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
978 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
979 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
980 gl_WARN_ADD([-Wno-format-nonliteral])
982 # More things that clang is unduly picky about.
983 if test $emacs_cv_clang = yes; then
984 gl_WARN_ADD([-Wno-format-extra-args])
985 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
986 gl_WARN_ADD([-Wno-unused-command-line-argument])
987 gl_WARN_ADD([-Wno-unused-value])
990 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
991 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
992 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
993 [/* Enable compile-time and run-time bounds-checking, and some warnings,
994 without upsetting glibc 2.15+. */
995 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
996 && defined __OPTIMIZE__ && __OPTIMIZE__)
997 # define _FORTIFY_SOURCE 2
1001 # We use a slightly smaller set of warning options for lib/.
1002 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
1004 nw="$nw -Wunused-macros"
1006 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1007 AC_SUBST([GNULIB_WARN_CFLAGS])
1017 AC_ARG_ENABLE(link-time-optimization,
1018 [AS_HELP_STRING([--enable-link-time-optimization],
1019 [build emacs with link-time optimization.
1020 This requires GCC 4.5.0 or later, or clang.
1021 (Note that clang support is experimental - see INSTALL.)
1022 It also makes Emacs harder to debug, and when we tried it
1023 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
1024 recommended for typical use.])],
1025 if test "${enableval}" != "no"; then
1027 if test $emacs_cv_clang = yes; then
1028 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
1029 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
1030 if test -x "$GOLD_PLUGIN"; then
1033 elif test x$GCC = xyes; then
1034 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
1035 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
1036 if test x$CPUS != x; then
1042 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1044 if test -z "$LTO"; then
1048 CFLAGS="$CFLAGS $LTO"
1049 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1050 [ac_lto_supported=yes], [ac_lto_supported=no])
1051 CFLAGS="$old_CFLAGS"
1053 AC_MSG_RESULT([$ac_lto_supported])
1054 if test "$ac_lto_supported" = "yes"; then
1055 CFLAGS="$CFLAGS $LTO"
1056 if test x$emacs_cv_clang = xyes; then
1057 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1058 # WARNING: 'ar --plugin ...' doesn't work without
1059 # command, so plugin name is appended to ARFLAGS.
1060 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1061 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1063 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1064 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1065 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1066 dnl dump core on Fedora 20, so play it safe for now.
1067 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1068 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1073 dnl Prefer silent make output. For verbose output, use
1074 dnl 'configure --disable-silent-rules' or 'make V=1' .
1075 AM_SILENT_RULES([yes])
1076 dnl Port to Automake 1.11.
1077 dnl This section can be removed once we assume Automake 1.14 or later.
1078 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1079 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1081 AM_SUBST_NOTMAKE([AM_V])
1082 AC_SUBST([AM_DEFAULT_V])
1083 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1084 AC_SUBST([AM_DEFAULT_VERBOSITY])
1086 dnl Some other nice autoconf tests.
1087 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1090 dnl if test "x$RANLIB" = x; then
1095 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1096 dnl can be made to directories. This is not relevant for our usage, and
1097 dnl excludes some cases that work fine for us. Eg MS Windows or files
1098 dnl hosted on AFS, both examples where simple links work, but links to
1099 dnl directories fail. We use a cut-down version instead.
1102 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1103 rm -f conf$$ conf$$.file
1105 LN_S_FILEONLY='cp -p'
1107 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1108 dnl random program in the current directory.
1109 if (echo >conf$$.file) 2>/dev/null; then
1110 if ln -s conf$$.file conf$$ 2>/dev/null; then
1111 if test "$opsys" = "mingw32"; then
1112 LN_S_FILEONLY='/bin/ln -s'
1114 LN_S_FILEONLY='ln -s'
1116 elif ln conf$$.file conf$$ 2>/dev/null; then
1117 if test "$opsys" = "mingw32"; then
1118 LN_S_FILEONLY=/bin/ln
1125 rm -f conf$$ conf$$.file
1127 if test "$LN_S_FILEONLY" = "ln -s"; then
1128 AC_MSG_RESULT([yes])
1130 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1133 AC_SUBST(LN_S_FILEONLY)
1136 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1137 dnl doesn't support links to directories, as in "ln file dir". But that
1138 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1139 dnl executables at "make install" time.
1140 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1141 dnl for more details.
1142 if test "$opsys" = "mingw32"; then
1146 dnl On some Debian versions, "install-info" prints irritating messages
1147 dnl "This is not dpkg install-info anymore, but GNU install-info"
1148 dnl if called via an absolute file name.
1149 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1150 dnl Sadly some people may have an old ginstall-info installed on
1151 dnl non-Debian systems, so we can't use this.
1152 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1153 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1155 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1156 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1157 dnl Don't use GZIP, which is used by gzip for additional parameters.
1158 AC_PATH_PROG(GZIP_PROG, gzip)
1160 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1161 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1165 if test $opsys = gnu-linux; then
1166 if test "${SETFATTR+set}" != set; then
1167 AC_CACHE_CHECK([for setfattr],
1168 [emacs_cv_prog_setfattr],
1170 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1171 emacs_cv_prog_setfattr=yes
1173 emacs_cv_prog_setfattr=no
1175 if test "$emacs_cv_prog_setfattr" = yes; then
1176 PAXCTL_notdumped='$(SETFATTR) -n user.pax.flags -v er'
1182 AC_SUBST([SETFATTR])
1185 case $opsys,$PAXCTL_notdumped in
1186 gnu-linux, | netbsd,)
1187 AC_PATH_PROG([PAXCTL], [paxctl], [],
1188 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1189 if test -n "$PAXCTL"; then
1190 if test "$opsys" = netbsd; then
1191 PAXCTL_dumped='$(PAXCTL) +a'
1192 PAXCTL_notdumped=$PAXCTL_dumped
1194 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1195 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1196 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then
1197 AC_MSG_RESULT([yes])
1202 if test -n "$PAXCTL"; then
1203 PAXCTL_dumped='$(PAXCTL) -zex'
1204 PAXCTL_notdumped='$(PAXCTL) -r'
1209 AC_SUBST([PAXCTL_dumped])
1210 AC_SUBST([PAXCTL_notdumped])
1212 ## Need makeinfo >= 4.7 (?) to build the manuals.
1213 if test "$MAKEINFO" != "no"; then
1214 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1217 case `($MAKEINFO --version) 2>/dev/null` in
1218 *' (GNU texinfo) '4.[[7-9]]* | \
1219 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1220 *' (GNU texinfo) '[[5-9]]* | \
1221 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1226 ## Makeinfo is unusual. For a released Emacs, the manuals are
1227 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1228 ## therefore in the category of "special tools" not normally required, which
1229 ## configure does not have to check for (eg autoconf itself).
1230 ## In a repository checkout on the other hand, the manuals are not included.
1231 ## So makeinfo is a requirement to build from the repository, and configure
1232 ## should test for it as it does for any other build requirement.
1233 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1234 ## with pre-built manuals, from a repository checkout.
1237 if test "$MAKEINFO" = "no"; then
1239 if test "x${with_makeinfo}" = "xno"; then
1241 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1242 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1243 source tree does not seem to have pre-built manuals in the 'info' directory.
1244 Either install a suitable version of makeinfo, or re-run configure
1245 with the '--without-makeinfo' option to build without the manuals.] )
1248 AC_SUBST(HAVE_MAKEINFO)
1250 if test $opsys = mingw32; then
1251 DOCMISC_W32=efaq-w32
1255 AC_SUBST(DOCMISC_W32)
1257 dnl Add our options to ac_link now, after it is set up.
1259 if test x$GCC = xyes; then
1260 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1261 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1263 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1264 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1267 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1268 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1269 dnl Treat GCC specially since it just gives a non-fatal 'unrecognized option'
1270 dnl if not built to support GNU ld.
1272 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1273 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1274 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1275 dnl Eg "make LDFLAGS=... all" could run into problems,
1276 dnl http://bugs.debian.org/684788
1277 dnl * unnecessary, since temacs is the only thing that actually needs it.
1278 dnl Indeed this is where it was originally, prior to:
1279 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1280 late_LDFLAGS="$LDFLAGS"
1281 if test x$GCC = xyes; then
1282 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1284 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1287 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1289 AC_MSG_CHECKING([for -znocombreloc])
1290 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1291 [AC_MSG_RESULT(yes)],
1292 LDFLAGS_NOCOMBRELOC=
1293 [AC_MSG_RESULT(no)])
1295 LDFLAGS="$late_LDFLAGS"
1297 AC_CACHE_CHECK([whether addresses are sanitized],
1298 [emacs_cv_sanitize_address],
1301 [[#ifndef __has_feature
1302 #define __has_feature(f) 0
1304 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1306 error "Addresses are not sanitized.";
1309 [emacs_cv_sanitize_address=yes],
1310 [emacs_cv_sanitize_address=no])])
1312 dnl The function dump-emacs will not be defined and temacs will do
1313 dnl (load "loadup") automatically unless told otherwise.
1314 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1316 nacl) CANNOT_DUMP=yes ;;
1319 if test "$CANNOT_DUMP" = "yes"; then
1320 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1321 elif test "$emacs_cv_sanitize_address" = yes; then
1322 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1325 AC_SUBST(CANNOT_DUMP)
1328 UNEXEC_OBJ=unexelf.o
1330 # MSDOS uses unexcoff.o
1332 UNEXEC_OBJ=unexaix.o
1338 UNEXEC_OBJ=unexmacosx.o
1341 UNEXEC_OBJ=unexhp9k800.o
1344 UNEXEC_OBJ=unexw32.o
1347 # Use the Solaris dldump() function, called from unexsol.c, to dump
1348 # emacs, instead of the generic ELF dump code found in unexelf.c.
1349 # The resulting binary has a complete symbol table, and is better
1350 # for debugging and other observability tools (debuggers, pstack, etc).
1352 # If you encounter a problem using dldump(), please consider sending
1353 # a message to the OpenSolaris tools-linking mailing list:
1354 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1356 # It is likely that dldump() works with older Solaris too, but this has
1357 # not been tested, so for now this change is for Solaris 10 or newer.
1358 UNEXEC_OBJ=unexsol.o
1365 ## Let 'ld' find image libs and similar things in /usr/local/lib.
1366 ## The system compiler, GCC, has apparently been modified to not
1367 ## look there, contrary to what a stock GCC would do.
1368 ### It's not our place to do this. See bug#10313#17.
1369 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1374 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1375 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1379 ### It's not our place to do this. See bug#10313#17.
1380 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1385 ## Han Boetes <han@boetes.org> says this is necessary,
1386 ## otherwise Emacs dumps core on elf systems.
1387 LD_SWITCH_SYSTEM="-Z"
1390 AC_SUBST(LD_SWITCH_SYSTEM)
1392 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1394 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1395 ## which has not been defined yet. When this was handled with cpp,
1396 ## it was expanded to null when configure sourced the s/*.h file.
1397 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1398 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1399 ## (or somesuch), but because it is supposed to go at the _front_
1400 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1401 ## Compare with the gnu-linux case below, which added to the end
1402 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1403 ## LD_SWITCH_SYSTEM_TEMACS.
1406 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1413 AC_CHECK_DECL([__ELF__])
1414 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1415 ## With ELF, make sure that all common symbols get allocated to in the
1416 ## data section. Otherwise, the dump of temacs may miss variables in
1417 ## the shared library that have been initialized. For example, with
1418 ## GNU libc, __malloc_initialized would normally be resolved to the
1419 ## shared library's .bss section, which is fatal.
1420 if test "x$GCC" = "xyes"; then
1421 C_SWITCH_MACHINE="-fno-common"
1423 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1426 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1427 dnl albeit under the mistaken assumption that said file
1428 dnl was no longer used.
1429 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1433 AC_SUBST(C_SWITCH_MACHINE)
1435 AC_SUBST(UNEXEC_OBJ)
1438 ## Some programs in src produce warnings saying certain subprograms
1439 ## are too complex and need a MAXMEM value greater than 2000 for
1440 ## additional optimization. --nils@exp-math.uni-essen.de
1441 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1442 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1443 if test "$opsys" = "mingw32"; then
1444 case "$canonical" in
1445 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1446 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1449 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1450 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1451 AC_SUBST(C_SWITCH_SYSTEM)
1456 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1457 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1459 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1461 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1463 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1465 ## Motif needs -lgen.
1466 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1469 AC_SUBST(LIBS_SYSTEM)
1471 ### Make sure subsequent tests use flags consistent with the build flags.
1473 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1474 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1476 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1479 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1480 AC_DEFUN([AC_TYPE_SIZE_T])
1481 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1482 AC_DEFUN([AC_TYPE_UID_T])
1484 # sqrt and other floating-point functions such as fmod and frexp
1485 # are found in -lm on many systems.
1487 AC_SEARCH_LIBS([sqrt], [m])
1488 if test "X$LIBS" = "X$OLD_LIBS"; then
1491 LIB_MATH=$ac_cv_search_sqrt
1495 dnl Current possibilities handled by sed (aix4-2 -> aix,
1496 dnl gnu-linux -> gnu/linux, etc.):
1497 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux.
1498 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1499 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1506 ## Adding -lm confuses the dynamic linker, so omit it.
1509 freebsd | dragonfly )
1510 SYSTEM_TYPE=berkeley-unix
1512 gnu-linux | gnu-kfreebsd )
1514 hpux10-20 | hpux11 )
1518 SYSTEM_TYPE=windows-nt
1520 dnl NB this may be adjusted below.
1522 SYSTEM_TYPE=berkeley-unix
1526 SYSTEM_TYPE=usg-unix-v
1532 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1533 [The type of system you are compiling for; sets 'system-type'.])
1536 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1537 pre_PKG_CONFIG_LIBS=$LIBS
1539 PKG_PROG_PKG_CONFIG(0.9.0)
1541 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1542 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1543 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1544 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1545 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1546 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1548 AC_DEFUN([EMACS_CHECK_MODULES],
1549 [PKG_CHECK_MODULES([$1], [$2],
1550 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1551 m4_default([$3], [HAVE_$1=yes])],
1552 [m4_default([$4], [HAVE_$1=no])])])
1555 if test "${with_sound}" != "no"; then
1556 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1557 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1558 have_sound_header=yes, [], [
1560 #define WIN32_LEAN_AND_MEAN
1561 #include <windows.h>
1564 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1565 AC_MSG_ERROR([OSS sound support requested but not found.])
1567 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1568 # Emulation library used on NetBSD.
1569 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1570 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1571 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1572 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1573 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1577 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1579 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1580 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1581 if test $HAVE_ALSA = yes; then
1582 SAVE_CFLAGS="$CFLAGS"
1584 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1585 LIBS="$ALSA_LIBS $LIBS"
1586 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1587 emacs_alsa_normal=yes,
1588 emacs_alsa_normal=no)
1589 if test "$emacs_alsa_normal" != yes; then
1590 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1591 [[snd_lib_error_set_handler (0);]])],
1592 emacs_alsa_subdir=yes,
1593 emacs_alsa_subdir=no)
1594 if test "$emacs_alsa_subdir" != yes; then
1595 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1597 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1600 CFLAGS="$SAVE_CFLAGS"
1602 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1603 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1604 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1605 elif test "${with_sound}" = "alsa"; then
1606 AC_MSG_ERROR([ALSA sound support requested but not found.])
1608 fi dnl with_sound = alsa|yes
1610 dnl Define HAVE_SOUND if we have sound support. We know it works and
1611 dnl compiles only on the specified platforms. For others, it
1612 dnl probably doesn't make sense to try.
1613 dnl FIXME So surely we should bypass this whole section if not using
1614 dnl one of these platforms?
1615 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1617 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1618 dnl Adjust the --with-sound help text if you change this.
1619 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1620 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1626 AC_SUBST(CFLAGS_SOUND)
1629 dnl checks for header files
1630 AC_CHECK_HEADERS_ONCE(
1636 sys/utsname.h pwd.h utmp.h util.h)
1638 AC_MSG_CHECKING(if personality LINUX32 can be set)
1639 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1640 emacs_cv_personality_linux32=yes,
1641 emacs_cv_personality_linux32=no)
1642 AC_MSG_RESULT($emacs_cv_personality_linux32)
1644 if test $emacs_cv_personality_linux32 = yes; then
1645 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1646 [Define to 1 if personality LINUX32 can be set.])
1649 # Note that Solaris has sys/sysinfo.h which defines struct
1650 # sysinfo as well. To make sure that we're using GNU/Linux
1651 # sysinfo, we explicitly set one of its fields.
1652 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1653 AC_MSG_CHECKING([if Linux sysinfo may be used])
1654 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1655 [[struct sysinfo si;
1658 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1659 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1660 if test $emacs_cv_linux_sysinfo = yes; then
1661 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1662 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1663 [[struct sysinfo si; return si.mem_unit]])],
1664 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1665 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1669 dnl On Solaris 8 there's a compilation warning for term.h because
1670 dnl it doesn't define 'bool'.
1671 AC_CHECK_HEADERS(term.h, , , -)
1673 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1675 if test $ac_cv_have_decl_sys_siglist != yes; then
1676 # For Tru64, at least:
1677 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1682 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1683 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1684 #if HAVE_SYS_SOCKET_H
1685 #include <sys/socket.h>
1687 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1688 #if HAVE_SYS_SOCKET_H
1689 #include <sys/socket.h>
1691 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1692 #if HAVE_SYS_SOCKET_H
1693 #include <sys/socket.h>
1696 dnl checks for structure members
1697 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1698 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1699 struct ifreq.ifr_addr,
1700 struct ifreq.ifr_addr.sa_len], , ,
1701 [AC_INCLUDES_DEFAULT
1702 #if HAVE_SYS_SOCKET_H
1703 #include <sys/socket.h>
1709 dnl Check for endianness.
1710 dnl AC_C_BIGENDIAN is done by gnulib.
1712 dnl check for Make feature
1715 dnl check if we have GCC and autodepend is on.
1716 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1717 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1718 SAVE_CFLAGS="$CFLAGS"
1719 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1720 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1721 CFLAGS="$SAVE_CFLAGS"
1722 test -f deps.d || ac_enable_autodepend=no
1724 AC_MSG_RESULT([$ac_enable_autodepend])
1725 if test $ac_enable_autodepend = yes; then
1729 AC_SUBST(AUTO_DEPEND)
1731 dnl checks for operating system services
1732 AC_SYS_LONG_FILE_NAMES
1734 #### Choose a window system.
1736 ## We leave window_system equal to none if
1737 ## we end up building without one. Any new window system should
1738 ## set window_system to an appropriate value and add objects to
1739 ## window-system-specific substs.
1743 if test "$no_x" != yes; then
1747 LD_SWITCH_X_SITE_RPATH=
1748 if test "${x_libraries}" != NONE; then
1749 if test -n "${x_libraries}"; then
1750 LD_SWITCH_X_SITE=-L`AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -L/g'`
1751 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`
1752 AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -Wl,-rpath,/g'
1755 x_default_search_path=""
1756 x_search_path=${x_libraries}
1757 if test -z "${x_search_path}"; then
1758 x_search_path=/usr/lib
1760 for x_library in `AS_ECHO(["$x_search_path:"]) | \
1761 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1763 ${x_library}/X11/%L/%T/%N%C%S:\
1764 ${x_library}/X11/%l/%T/%N%C%S:\
1765 ${x_library}/X11/%T/%N%C%S:\
1766 ${x_library}/X11/%L/%T/%N%S:\
1767 ${x_library}/X11/%l/%T/%N%S:\
1768 ${x_library}/X11/%T/%N%S"
1769 if test x"${x_default_search_path}" = x; then
1770 x_default_search_path=${x_search_path}
1772 x_default_search_path="${x_search_path}:${x_default_search_path}"
1776 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1778 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1779 C_SWITCH_X_SITE=$isystem`AS_ECHO(["$x_includes"]) | sed -e "s/:/ $isystem/g"`
1782 if test x"${x_includes}" = x; then
1783 bitmapdir=/usr/include/X11/bitmaps
1785 # accumulate include directories that have X11 bitmap subdirectories
1787 for bmd in `AS_ECHO(["$x_includes"]) | sed -e 's/:/ /g'`; do
1788 if test -d "${bmd}/X11/bitmaps"; then
1789 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1791 if test -d "${bmd}/bitmaps"; then
1792 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1795 bitmapdir=${bmd_acc#:}
1798 test "${with_ns}" = maybe && test "${opsys}" != darwin && with_ns=no
1800 NS_GNUSTEP_CONFIG=no
1803 tmp_CPPFLAGS="$CPPFLAGS"
1804 tmp_CFLAGS="$CFLAGS"
1805 CPPFLAGS="$CPPFLAGS -x objective-c"
1806 CFLAGS="$CFLAGS -x objective-c"
1809 if test "${with_ns}" != no; then
1810 if test "${opsys}" = darwin; then
1812 ns_appdir=`pwd`/nextstep/Emacs.app
1813 ns_appbindir=${ns_appdir}/Contents/MacOS
1814 ns_appresdir=${ns_appdir}/Contents/Resources
1815 ns_appsrc=Cocoa/Emacs.base
1816 ns_fontfile=macfont.o
1817 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1819 NS_GNUSTEP_CONFIG=yes
1820 GNU_OBJC_CFLAGS=$flags
1821 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1822 elif test -f $GNUSTEP_CONFIG_FILE; then
1824 dnl FIXME sourcing this several times in subshells seems inefficient.
1825 GNUSTEP_SYSTEM_HEADERS=$(
1826 . $GNUSTEP_CONFIG_FILE
1827 AS_ECHO(["$GNUSTEP_SYSTEM_HEADERS"])
1829 GNUSTEP_SYSTEM_LIBRARIES=$(
1830 . $GNUSTEP_CONFIG_FILE
1831 AS_ECHO(["$GNUSTEP_SYSTEM_LIBRARIES"])
1833 dnl I seemed to need these as well with GNUstep-startup 0.25.
1834 GNUSTEP_LOCAL_HEADERS=$(
1835 . $GNUSTEP_CONFIG_FILE
1836 AS_ECHO(["$GNUSTEP_LOCAL_HEADERS"])
1838 GNUSTEP_LOCAL_LIBRARIES=$(
1839 . $GNUSTEP_CONFIG_FILE
1840 AS_ECHO(["$GNUSTEP_LOCAL_LIBRARIES"])
1842 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1843 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1844 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1845 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1846 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1847 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1848 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1849 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1850 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1851 dnl If they had chosen to either define it or not, we could have
1852 dnl just used AC_CHECK_DECL here.
1853 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1854 emacs_cv_objc_exceptions,
1855 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1856 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1860 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1861 if test $emacs_cv_objc_exceptions = yes; then
1862 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1863 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1864 [Define if GNUstep uses ObjC exceptions.])
1865 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1868 if test $NS_IMPL_GNUSTEP = yes; then
1869 ns_appdir=`pwd`/nextstep/Emacs.app
1870 ns_appbindir=${ns_appdir}
1871 ns_appresdir=${ns_appdir}/Resources
1872 ns_appsrc=GNUstep/Emacs.base
1873 ns_fontfile=nsfont.o
1876 dnl This is only used while we test the NS headers, it gets reset below.
1877 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1878 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1880 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1881 [AC_MSG_ERROR([The include files (AppKit/AppKit.h etc) that
1882 are required for a Nextstep build are missing or cannot be compiled.
1883 Either fix this, or re-configure with the option '--without-ns'.])])
1886 if test "${NS_IMPL_COCOA}" = "yes"; then
1887 AC_MSG_CHECKING([for OSX 10.6 or newer])
1888 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1890 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1891 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1894 error "OSX 10.6 or newer required";
1898 ns_osx_have_106=yes,
1900 AC_MSG_RESULT([$ns_osx_have_106])
1902 if test $ns_osx_have_106 = no; then
1903 AC_MSG_ERROR([OSX 10.6 or newer is required]);
1908 AC_SUBST(LIBS_GNUSTEP)
1910 INSTALL_ARCH_INDEP_EXTRA=install-etc
1911 ns_self_contained=no
1914 if test "${HAVE_NS}" = yes; then
1915 if test "$with_toolkit_scroll_bars" = "no"; then
1916 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1919 window_system=nextstep
1920 # set up packaging dirs
1921 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1922 ns_self_contained=yes
1923 prefix=${ns_appresdir}
1924 exec_prefix=${ns_appbindir}
1925 dnl This one isn't really used, only archlibdir is.
1926 libexecdir="\${ns_appbindir}/libexec"
1927 archlibdir="\${ns_appbindir}/libexec"
1928 etcdocdir="\${ns_appresdir}/etc"
1929 etcdir="\${ns_appresdir}/etc"
1930 dnl FIXME maybe set datarootdir instead.
1931 dnl That would also get applications, icons, man.
1932 infodir="\${ns_appresdir}/info"
1933 mandir="\${ns_appresdir}/man"
1934 lispdir="\${ns_appresdir}/lisp"
1935 test "$locallisppathset" = no && locallisppath=""
1936 INSTALL_ARCH_INDEP_EXTRA=
1939 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1941 CFLAGS="$tmp_CFLAGS"
1942 CPPFLAGS="$tmp_CPPFLAGS"
1943 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1944 AC_SUBST(ns_self_contained)
1946 AC_SUBST(NS_OBJC_OBJ)
1957 if test "${with_w32}" != no; then
1960 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1961 [AC_MSG_ERROR(['--with-w32' was specified, but windows.h
1962 cannot be found.])])
1965 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1968 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1973 if test "${opsys}" = "mingw32"; then
1974 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1975 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1976 #include <windows.h>
1977 #include <usp10.h>]],
1978 [[PIMAGE_NT_HEADERS pHeader;
1979 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1980 [emacs_cv_w32api=yes
1983 AC_MSG_RESULT($emacs_cv_w32api)
1984 if test "${emacs_cv_w32api}" = "no"; then
1985 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1996 if test "${HAVE_W32}" = "yes"; then
1997 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1998 if test "$with_toolkit_scroll_bars" = "no"; then
1999 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
2001 AC_CHECK_TOOL(WINDRES, [windres],
2002 [AC_MSG_ERROR([No resource compiler found.])])
2003 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
2004 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
2005 EMACSRES="emacs.res"
2006 case "$canonical" in
2007 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
2008 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
2010 dnl Construct something of the form "24,4,0,0" with 4 components.
2011 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
2013 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
2014 AC_SUBST(comma_version)
2015 AC_SUBST(comma_space_version)
2016 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
2017 if test "${opsys}" = "cygwin"; then
2018 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
2019 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
2020 # Tell the linker that emacs.res is an object (which we compile from
2021 # the rc file), not a linker script.
2022 W32_RES_LINK="-Wl,emacs.res"
2024 UPDATE_MANIFEST=update-game-score.exe.manifest
2025 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
2026 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
2027 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
2028 W32_RES_LINK="\$(EMACSRES)"
2029 CLIENTRES="emacsclient.res"
2030 CLIENTW="emacsclientw\$(EXEEXT)"
2031 FIRSTFILE_OBJ=firstfile.o
2034 LIBS_ECLIENT="-lcomctl32"
2035 LIB_WSOCK32="-lwsock32"
2036 NTLIB="ntlib.$ac_objext"
2037 XARGS_LIMIT="-s 10000"
2043 AC_SUBST(EMACS_MANIFEST)
2044 AC_SUBST(UPDATE_MANIFEST)
2047 AC_SUBST(W32_RES_LINK)
2048 AC_SUBST(FIRSTFILE_OBJ)
2051 AC_SUBST(LIBS_ECLIENT)
2052 AC_SUBST(LIB_WSOCK32)
2054 AC_SUBST(XARGS_LIMIT)
2056 if test "${HAVE_W32}" = "yes"; then
2061 ## $window_system is now set to the window system we will
2069 case "${window_system}" in
2074 case "${with_x_toolkit}" in
2075 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2076 motif ) USE_X_TOOLKIT=MOTIF ;;
2078 term_header=gtkutil.h
2079 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2080 dnl USE_X_TOOLKIT is set.
2081 USE_X_TOOLKIT=none ;;
2082 gtk2 ) with_gtk2=yes
2083 term_header=gtkutil.h
2084 USE_X_TOOLKIT=none ;;
2085 gtk3 ) with_gtk3=yes
2086 term_header=gtkutil.h
2087 USE_X_TOOLKIT=none ;;
2088 no ) USE_X_TOOLKIT=none ;;
2089 dnl If user did not say whether to use a toolkit, make this decision later:
2090 dnl use the toolkit if we have gtk, or X11R5 or newer.
2091 * ) USE_X_TOOLKIT=maybe ;;
2095 term_header=nsterm.h
2098 term_header=w32term.h
2102 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2103 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2104 if test "$HAVE_XSERVER" = true ||
2105 test -n "$DISPLAY" ||
2107 for emacs_libX11 in /usr/lib/libX11.*; do break; done
2108 test "$emacs_libX11" != '/usr/lib/libX11.*'
2111 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2112 were found. You should install the relevant development files for X
2113 and for the toolkit you want, such as Gtk+ or Motif. Also make
2114 sure you have development files for image handling, i.e.
2115 tiff, gif, jpeg, png and xpm.
2116 If you are sure you want Emacs compiled without X window support, pass
2122 # Does the opsystem file prohibit the use of the GNU malloc?
2123 # Assume not, until told otherwise.
2127 [whether malloc is Doug Lea style],
2128 [emacs_cv_var_doug_lea_malloc],
2129 [emacs_cv_var_doug_lea_malloc=no
2130 dnl Hooks do not work with address sanitization.
2131 if test "$emacs_cv_sanitize_address" != yes; then
2134 [[#include <malloc.h>
2135 static void hook (void) {}]],
2136 [[malloc_set_state (malloc_get_state ());
2137 __after_morecore_hook = hook;
2138 __malloc_initialize_hook = hook;]])],
2139 [emacs_cv_var_doug_lea_malloc=yes])
2141 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2143 system_malloc=$emacs_cv_sanitize_address
2148 ## darwin ld insists on the use of malloc routines in the System framework.
2149 darwin | mingw32 | nacl | sol2-10) system_malloc=yes ;;
2150 cygwin) hybrid_malloc=yes;;
2153 if test "${system_malloc}" != yes && test "${doug_lea_malloc}" != yes \
2154 && test "${UNEXEC_OBJ}" = unexelf.o; then
2160 if test "${system_malloc}" = "yes"; then
2161 AC_DEFINE([SYSTEM_MALLOC], 1,
2162 [Define to 1 to use the system memory allocator, even if it is not
2166 (The GNU allocators don't work with this system configuration.)"
2168 elif test "$hybrid_malloc" = yes; then
2169 AC_DEFINE(HYBRID_MALLOC, 1,
2170 [Define to use gmalloc before dumping and the system malloc after.])
2173 GNU_MALLOC_reason="only before dumping"
2174 GMALLOC_OBJ=gmalloc.o
2177 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2178 VMLIMIT_OBJ=vm-limit.o
2180 AC_CHECK_HEADERS([sys/vlimit.h])
2181 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2184 [[extern char data_start[]; char ch;]],
2185 [[return data_start < &ch;]])],
2186 [emacs_cv_data_start=yes],
2187 [emacs_cv_data_start=no])])
2188 if test $emacs_cv_data_start = yes; then
2189 AC_DEFINE([HAVE_DATA_START], 1,
2190 [Define to 1 if data_start is the address of the start
2191 of the main data segment.])
2194 AC_SUBST([HYBRID_MALLOC])
2195 AM_CONDITIONAL([HYBRID_MALLOC_LIB], [test -n "$HYBRID_MALLOC"])
2196 AC_SUBST(GMALLOC_OBJ)
2197 AC_SUBST(VMLIMIT_OBJ)
2199 if test "$doug_lea_malloc" = "yes" && test "$hybrid_malloc" != yes; then
2200 if test "$GNU_MALLOC" = yes ; then
2202 (Using Doug Lea's new malloc from the GNU C Library.)"
2204 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2205 [Define to 1 if the system memory allocator is Doug Lea style,
2206 with malloc hooks and malloc_set_state.])
2208 ## Use mmap directly for allocating larger buffers.
2209 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2210 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2211 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2213 mingw32|gnu*) REL_ALLOC=no ;;
2217 if test x"${REL_ALLOC}" = x; then
2218 REL_ALLOC=${GNU_MALLOC}
2221 use_mmap_for_buffers=no
2223 cygwin|mingw32) use_mmap_for_buffers=yes ;;
2227 if test $use_mmap_for_buffers = yes; then
2228 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2232 LIBS="$LIBS_SYSTEM $LIBS"
2234 dnl FIXME replace main with a function we actually want from this library.
2235 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2237 dnl Check for the POSIX thread library.
2239 AC_CHECK_HEADERS_ONCE(pthread.h)
2240 if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then
2241 AC_CACHE_CHECK([for pthread library],
2242 [emacs_cv_pthread_lib],
2243 [emacs_cv_pthread_lib=no
2245 for emacs_pthread_lib in 'none needed' -lpthread; do
2246 case $emacs_pthread_lib in
2247 -*) LIBS="$OLD_LIBS $emacs_pthread_lib";;
2251 [[#include <pthread.h>
2253 sigset_t old_mask, new_mask;
2254 void noop (void) {}]],
2255 [[pthread_t th = pthread_self ();
2257 status += pthread_create (&th, 0, 0, 0);
2258 status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask);
2259 status += pthread_kill (th, 0);
2260 #if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \
2261 || defined DOUG_LEA_MALLOC)
2262 /* Test for pthread_atfork only if gmalloc uses it,
2263 as older-style hosts like MirBSD 10 lack it. */
2264 status += pthread_atfork (noop, noop, noop);
2267 [emacs_cv_pthread_lib=$emacs_pthread_lib])
2269 if test "$emacs_cv_pthread_lib" != no; then
2273 if test "$emacs_cv_pthread_lib" != no; then
2274 AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.])
2275 case $emacs_cv_pthread_lib in
2276 -*) LIB_PTHREAD=$emacs_cv_pthread_lib;;
2278 ac_cv_func_pthread_sigmask=yes
2279 # Some systems optimize for single-threaded programs by default, and
2280 # need special flags to disable these optimizations. For example, the
2281 # definition of 'errno' in <errno.h>.
2284 AC_DEFINE([_REENTRANT], 1,
2285 [Define to 1 if your system requires this in multithreaded code.]);;
2287 AC_DEFINE([_THREAD_SAFE], 1,
2288 [Define to 1 if your system requires this in multithreaded code.]);;
2292 AC_SUBST([LIB_PTHREAD])
2294 dnl Check for need for bigtoc support on IBM AIX
2298 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2300 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2301 *) gdb_cv_bigtoc=-bbigtoc ;;
2304 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2305 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2310 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2311 # is for the tests that follow. We set them back later on.
2313 REAL_CFLAGS="$CFLAGS"
2314 REAL_CPPFLAGS="$CPPFLAGS"
2317 if test "${HAVE_X11}" = "yes"; then
2318 DEFS="$C_SWITCH_X_SITE $DEFS"
2319 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2321 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2322 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2324 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2325 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2326 # but it's more convenient here to set LD_RUN_PATH since this
2327 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2328 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2329 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2333 if test "${opsys}" = "gnu-linux"; then
2334 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2335 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2336 [[XOpenDisplay ("foo");]])],
2337 [xgnu_linux_first_failure=no],
2338 [xgnu_linux_first_failure=yes])
2339 if test "${xgnu_linux_first_failure}" = "yes"; then
2340 OLD_CPPFLAGS="$CPPFLAGS"
2342 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2343 LIBS="$LIBS -b i486-linuxaout"
2344 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2345 [[XOpenDisplay ("foo");]])],
2346 [xgnu_linux_second_failure=no],
2347 [xgnu_linux_second_failure=yes])
2348 if test "${xgnu_linux_second_failure}" = "yes"; then
2349 # If we get the same failure with -b, there is no use adding -b.
2350 # So leave it out. This plays safe.
2353 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2354 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2357 CPPFLAGS=$OLD_CPPFLAGS
2364 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2365 # header files included from there.
2366 AC_MSG_CHECKING(for Xkb)
2367 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2368 #include <X11/XKBlib.h>]],
2369 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2370 emacs_xkb=yes, emacs_xkb=no)
2371 AC_MSG_RESULT($emacs_xkb)
2372 if test $emacs_xkb = yes; then
2373 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2376 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2377 XScreenNumberOfScreen)
2380 if test "${window_system}" = "x11"; then
2381 AC_MSG_CHECKING(X11 version 6)
2382 AC_CACHE_VAL(emacs_cv_x11_version_6,
2383 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2384 [[#if XlibSpecificationRelease < 6
2387 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2388 if test $emacs_cv_x11_version_6 = yes; then
2389 AC_MSG_RESULT(6 or newer)
2390 AC_DEFINE(HAVE_X11R6, 1,
2391 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2392 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2393 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2397 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2398 [Define if you have usable X11R6-style XIM support.])
2402 AC_MSG_RESULT(before 6)
2407 ### Use -lrsvg-2 if available, unless '--with-rsvg=no' is specified.
2409 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2410 if test "${with_rsvg}" != "no"; then
2411 RSVG_REQUIRED=2.11.0
2412 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2414 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2415 AC_SUBST(RSVG_CFLAGS)
2418 if test $HAVE_RSVG = yes; then
2419 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2420 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2421 # Windows loads librsvg dynamically
2422 if test "${opsys}" = "mingw32"; then
2430 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2431 if test "${with_imagemagick}" != "no"; then
2432 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2433 ## 6.8.2 makes Emacs crash; see Bug#13867.
2434 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2435 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2436 AC_SUBST(IMAGEMAGICK_CFLAGS)
2437 AC_SUBST(IMAGEMAGICK_LIBS)
2439 if test $HAVE_IMAGEMAGICK = yes; then
2440 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2443 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2444 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2445 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers MagickAutoOrientImage)
2452 AC_CHECK_LIB(anl, getaddrinfo_a, HAVE_GETADDRINFO_A=yes)
2453 if test "${HAVE_GETADDRINFO_A}" = "yes"; then
2454 AC_DEFINE(HAVE_GETADDRINFO_A, 1,
2455 [Define to 1 if you have getaddrinfo_a for asynchronous DNS resolution.])
2456 GETADDRINFO_A_LIBS="-lanl"
2457 AC_SUBST(GETADDRINFO_A_LIBS)
2462 gtk_term_header=$term_header
2465 if test "${opsys}" != "mingw32"; then
2466 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2469 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2471 dnl Checks for libraries.
2472 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2473 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2474 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2475 AC_MSG_ERROR($GTK_PKG_ERRORS)
2477 if test "$pkg_check_gtk" = "yes"; then
2478 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2479 GTK_OBJ=emacsgtkfixed.o
2480 gtk_term_header=gtkutil.h
2481 USE_GTK_TOOLKIT="GTK3"
2482 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2483 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2484 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2485 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2486 [Define to 1 to disable Glib deprecation warnings.])
2490 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2494 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2497 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2499 dnl Checks for libraries.
2500 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2501 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2502 if test "$pkg_check_gtk" = "no" &&
2503 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2505 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2507 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2514 if test x"$pkg_check_gtk" = xyes; then
2517 CFLAGS="$CFLAGS $GTK_CFLAGS"
2518 LIBS="$GTK_LIBS $LIBS"
2519 dnl Try to compile a simple GTK program.
2520 AC_MSG_CHECKING([whether GTK compiles])
2524 [[/* Check the Gtk and Glib APIs. */
2525 #include <gtk/gtk.h>
2526 #include <glib-object.h>
2528 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2532 GtkSettings *gs = 0;
2533 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2534 strict C prohibits this. Use gtk_main_iteration to test that the
2535 libraries are there. */
2536 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2537 0, 0, 0, G_CALLBACK (callback), 0))
2538 gtk_main_iteration ();
2541 AC_MSG_RESULT([$GTK_COMPILES])
2542 if test "${GTK_COMPILES}" != "yes"; then
2544 if test "$USE_X_TOOLKIT" != "maybe"; then
2545 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2548 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2550 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2551 GTK_OBJ="gtkutil.o $GTK_OBJ"
2552 term_header=$gtk_term_header
2554 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2555 closing open displays. This is no problem if you just use
2556 one display, but if you use more than one and close one of them
2558 See http://bugzilla.gnome.org/show_bug.cgi?id=85715]])
2566 if test "${HAVE_GTK}" = "yes"; then
2568 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2569 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2570 if test "$with_toolkit_scroll_bars" != no; then
2571 with_toolkit_scroll_bars=yes
2574 dnl Check if we have the old file selection dialog declared and
2575 dnl in the link library. In 2.x it may be in the library,
2576 dnl but not declared if deprecated featured has been selected out.
2577 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2578 HAVE_GTK_FILE_SELECTION=no
2579 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2580 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2581 #include <gtk/gtk.h>])
2582 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2583 AC_CHECK_FUNCS(gtk_file_selection_new)
2586 dnl Same as above for gtk_handle_box.
2587 HAVE_GTK_HANDLE_BOX=no
2588 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2589 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2590 #include <gtk/gtk.h>])
2591 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2592 AC_CHECK_FUNCS(gtk_handle_box_new)
2595 dnl Same as above for gtk_tearoff_menu_item.
2596 HAVE_GTK_TEAROFF_MENU_ITEM=no
2597 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2598 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2599 #include <gtk/gtk.h>])
2600 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2601 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2604 dnl Check for functions introduced in 2.14 and later.
2605 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2606 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2607 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2608 gtk_orientable_set_orientation \
2609 gtk_window_set_has_resize_grip)
2611 term_header=gtkutil.h
2615 dnl Enable xwidgets if GTK3 and WebKitGTK+ are available.
2618 if test "$with_xwidgets" != "no"; then
2619 test "$USE_GTK_TOOLKIT" = "GTK3" && test "$window_system" != "none" ||
2620 AC_MSG_ERROR([xwidgets requested but gtk3 not used.])
2622 WEBKIT_REQUIRED=1.4.0
2623 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2624 EMACS_CHECK_MODULES([WEBKIT], [$WEBKIT_MODULES])
2625 HAVE_XWIDGETS=$HAVE_WEBKIT
2626 test $HAVE_XWIDGETS = yes ||
2627 AC_MSG_ERROR([xwidgets requested but WebKitGTK+ not found.])
2629 XWIDGETS_OBJ=xwidget.o
2630 AC_DEFINE([HAVE_XWIDGETS], 1, [Define to 1 if you have xwidgets support.])
2632 AC_SUBST(XWIDGETS_OBJ)
2637 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2638 dnl other platforms.
2641 if test "${with_dbus}" = "yes"; then
2642 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2643 if test "$HAVE_DBUS" = yes; then
2644 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2645 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2646 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2649 LIBS="$LIBS $DBUS_LIBS"
2650 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2651 dbus_type_is_valid \
2652 dbus_validate_bus_name \
2653 dbus_validate_path \
2654 dbus_validate_interface \
2655 dbus_validate_member)
2660 AC_SUBST(DBUS_CFLAGS)
2664 dnl GSettings has been tested under GNU/Linux only.
2666 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2667 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2668 if test "$HAVE_GSETTINGS" = "yes"; then
2670 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2672 LIBS="$LIBS $GSETTINGS_LIBS"
2673 AC_MSG_CHECKING([whether GSettings is in gio])
2676 [[/* Check that gsettings really is present. */
2677 #include <glib-object.h>
2678 #include <gio/gio.h>
2681 GSettings *settings;
2682 GVariant *val = g_settings_get_value (settings, "");
2684 [], HAVE_GSETTINGS=no)
2685 AC_MSG_RESULT([$HAVE_GSETTINGS])
2687 if test "$HAVE_GSETTINGS" = "yes"; then
2688 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2689 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2690 SETTINGS_LIBS="$GSETTINGS_LIBS"
2697 dnl GConf has been tested under GNU/Linux only.
2698 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2700 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2701 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2702 if test "$HAVE_GCONF" = yes; then
2703 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2704 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2705 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2706 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2710 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2711 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2712 if test "$HAVE_GOBJECT" = "yes"; then
2713 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2714 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2716 SAVE_CFLAGS="$CFLAGS"
2718 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2719 LIBS="$SETTINGS_LIBS $LIBS"
2720 CFLAGS="$SAVE_CFLAGS"
2723 AC_SUBST(SETTINGS_CFLAGS)
2724 AC_SUBST(SETTINGS_LIBS)
2727 dnl SELinux is available for GNU/Linux only.
2730 if test "${with_selinux}" = "yes"; then
2731 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2732 if test "$HAVE_LIBSELINUX" = yes; then
2733 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2734 LIBSELINUX_LIBS=-lselinux
2737 AC_SUBST(LIBSELINUX_LIBS)
2740 if test "${with_gnutls}" = "yes" ; then
2741 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2742 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2743 if test "${HAVE_GNUTLS}" = "yes"; then
2744 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2745 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2746 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2749 # Windows loads GnuTLS dynamically
2750 if test "${opsys}" = "mingw32"; then
2755 AC_SUBST(LIBGNUTLS_LIBS)
2756 AC_SUBST(LIBGNUTLS_CFLAGS)
2759 if test "${with_libsystemd}" = "yes" ; then
2760 dnl This code has been tested with libsystemd 222 and later.
2761 dnl FIXME: Find the earliest version number for which Emacs should work,
2762 dnl and change '222' to that number.
2763 EMACS_CHECK_MODULES([LIBSYSTEMD], [libsystemd >= 222],
2764 [HAVE_LIBSYSTEMD=yes], [HAVE_LIBSYSTEMD=no])
2765 if test "${HAVE_LIBSYSTEMD}" = "yes"; then
2766 AC_DEFINE(HAVE_LIBSYSTEMD, 1, [Define if using libsystemd.])
2770 AC_SUBST(LIBSYSTEMD_LIBS)
2771 AC_SUBST(LIBSYSTEMD_CFLAGS)
2776 dnl MS Windows native file monitor is available for mingw32 only.
2777 case $with_file_notification,$opsys in
2779 AC_MSG_ERROR(['--with-file-notification=w32' was specified, but
2780 this is only supported on MS-Windows native and MinGW32 builds.
2781 Consider using gfile instead.])
2783 w32,* | yes,mingw32)
2784 AC_CHECK_HEADER(windows.h)
2785 if test "$ac_cv_header_windows_h" = yes ; then
2786 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2787 NOTIFY_OBJ=w32notify.o
2788 NOTIFY_SUMMARY="yes (w32)"
2792 dnl inotify is available only on GNU/Linux.
2793 case $with_file_notification,$NOTIFY_OBJ in
2795 AC_CHECK_HEADER(sys/inotify.h)
2796 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2797 AC_CHECK_FUNC(inotify_init1)
2798 if test "$ac_cv_func_inotify_init1" = yes; then
2799 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2800 NOTIFY_OBJ=inotify.o
2801 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2806 dnl kqueue is available on BSD-like systems.
2807 case $with_file_notification,$NOTIFY_OBJ in
2809 EMACS_CHECK_MODULES([KQUEUE], [libkqueue])
2810 if test "$HAVE_KQUEUE" = "yes"; then
2811 AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
2812 CPPFLAGS="$CPPFLAGS -I/usr/include/kqueue"
2813 NOTIFY_CFLAGS=$KQUEUE_CFLAGS
2814 NOTIFY_LIBS=$KQUEUE_LIBS
2816 NOTIFY_SUMMARY="yes -lkqueue"
2818 AC_SEARCH_LIBS(kqueue, [])
2819 if test "$ac_cv_search_kqueue" != no; then
2820 AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
2822 NOTIFY_SUMMARY="yes (kqueue)"
2827 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2828 dnl has been added in glib 2.24. It has been tested under
2830 case $with_file_notification,$NOTIFY_OBJ in
2832 if test "${HAVE_NS}" = yes; then
2833 AC_MSG_ERROR(['--with-file-notification=gfile' is not supported in NextStep builds.
2834 Consider kqueue instead.])
2836 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2837 if test "$HAVE_GFILENOTIFY" = "yes"; then
2838 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2839 NOTIFY_CFLAGS=$GFILENOTIFY_CFLAGS
2840 NOTIFY_LIBS=$GFILENOTIFY_LIBS
2841 NOTIFY_OBJ=gfilenotify.o
2842 NOTIFY_SUMMARY="yes -lgio (gfile)"
2847 case $with_file_notification,$NOTIFY_OBJ in
2848 yes,* | no,* | *,?*) ;;
2849 *) AC_MSG_ERROR([File notification '$with_file_notification' requested but requirements not found.]) ;;
2852 if test -n "$NOTIFY_OBJ"; then
2853 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2855 AC_SUBST(NOTIFY_CFLAGS)
2856 AC_SUBST(NOTIFY_LIBS)
2857 AC_SUBST(NOTIFY_OBJ)
2859 dnl Do not put whitespace before the #include statements below.
2860 dnl Older compilers (eg sunos4 cc) choke on it.
2863 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2864 if test "$with_xaw3d" != no; then
2865 AC_CACHE_VAL(emacs_cv_xaw3d,
2866 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2867 #include <X11/Intrinsic.h>
2868 #include <X11/Xaw3d/Simple.h>]],
2870 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2871 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2872 emacs_cv_xaw3d=no)])
2876 if test $emacs_cv_xaw3d = yes; then
2877 AC_MSG_CHECKING(for xaw3d)
2878 AC_MSG_RESULT([yes; using Lucid toolkit])
2882 AC_DEFINE(HAVE_XAW3D, 1,
2883 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2885 AC_MSG_CHECKING(for xaw3d)
2887 AC_MSG_CHECKING(for libXaw)
2888 AC_CACHE_VAL(emacs_cv_xaw,
2889 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2890 #include <X11/Intrinsic.h>
2891 #include <X11/Xaw/Simple.h>]],
2895 if test $emacs_cv_xaw = yes; then
2896 AC_MSG_RESULT([yes; using Lucid toolkit])
2899 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2900 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2902 AC_MSG_ERROR([No X toolkit could be found.
2903 If you are sure you want Emacs compiled without an X toolkit, pass
2905 to configure. Otherwise, install the development libraries for the toolkit
2906 that you want to use (e.g. Gtk+) and re-run configure.])
2911 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2915 if test "${USE_X_TOOLKIT}" != "none"; then
2916 AC_MSG_CHECKING(X11 toolkit version)
2917 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2918 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2919 [[#if XtSpecificationRelease < 6
2922 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2923 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2924 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2925 AC_MSG_RESULT(6 or newer)
2926 AC_DEFINE(HAVE_X11XTR6, 1,
2927 [Define to 1 if you have the X11R6 or newer version of Xt.])
2928 LIBXTR6="-lSM -lICE"
2930 ## Use libw.a along with X11R6 Xt.
2931 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2934 AC_MSG_RESULT(before 6)
2937 dnl If using toolkit, check whether libXmu.a exists.
2938 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2940 if test x$HAVE_X11XTR6 = xyes; then
2941 OTHERLIBS='-lXt -lSM -lICE'
2945 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2946 if test "X$LIBS" != "X$OLDLIBS"; then
2947 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2950 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2956 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2957 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2958 if test -d /usr/include/openmotif; then
2959 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2960 emacs_cv_openmotif=yes
2961 case "$canonical" in
2962 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2963 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2966 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2969 emacs_cv_openmotif=no
2971 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2972 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2973 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2976 Motif version prior to 2.1.
2978 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2979 if test $emacs_cv_motif_version_2_1 = yes; then
2980 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2981 if test x$emacs_cv_openmotif = xyes; then
2982 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2985 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2986 # We put this in CFLAGS temporarily to precede other -I options
2987 # that might be in CFLAGS temporarily.
2988 # We put this in CPPFLAGS where it precedes the other -I options.
2989 OLD_CPPFLAGS=$CPPFLAGS
2991 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2992 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2993 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2995 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2996 if test $emacs_cv_lesstif = yes; then
2997 # Make sure this -I option remains in CPPFLAGS after it is set
2998 # back to REAL_CPPFLAGS.
2999 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
3000 # have those other -I options anyway. Ultimately, having this
3001 # directory ultimately in CPPFLAGS will be enough.
3002 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
3003 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
3006 CPPFLAGS=$OLD_CPPFLAGS
3009 AC_CHECK_HEADER([Xm/BulletinB.h], [],
3010 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
3013 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
3014 dnl using Motif or Xaw3d is available, and unless
3015 dnl --with-toolkit-scroll-bars=no was specified.
3017 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
3018 [Define to 1 if we should use toolkit scroll bars.])dnl
3019 USE_TOOLKIT_SCROLL_BARS=no
3020 if test "${with_toolkit_scroll_bars}" != "no"; then
3021 if test "${USE_X_TOOLKIT}" != "none"; then
3022 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
3023 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3025 USE_TOOLKIT_SCROLL_BARS=yes
3026 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
3027 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3028 USE_TOOLKIT_SCROLL_BARS=yes
3030 elif test "${HAVE_GTK}" = "yes"; then
3031 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3032 USE_TOOLKIT_SCROLL_BARS=yes
3033 elif test "${HAVE_NS}" = "yes"; then
3034 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3035 USE_TOOLKIT_SCROLL_BARS=yes
3036 elif test "${HAVE_W32}" = "yes"; then
3037 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3038 USE_TOOLKIT_SCROLL_BARS=yes
3042 dnl See if XIM is available.
3043 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3044 #include <X11/Xlib.h>
3045 #include <X11/Xresource.h>]],
3046 [[XIMProc callback;]])],
3048 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
3051 dnl '--with-xim' now controls only the initial value of use_xim at run time.
3053 if test "${with_xim}" != "no"; then
3054 AC_DEFINE(USE_XIM, 1,
3055 [Define to 1 if we should use XIM, if it is available.])
3059 if test "${HAVE_XIM}" != "no"; then
3061 if test "$GCC" = yes; then
3062 CFLAGS="$CFLAGS --pedantic-errors"
3064 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3065 #include <X11/Xlib.h>
3066 #include <X11/Xresource.h>]],
3072 XPointer *client_data;
3074 /* If we're not using GCC, it's probably not XFree86, and this is
3075 probably right, but we can't use something like --pedantic-errors. */
3076 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
3077 char*, XIMProc, XPointer*);
3079 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
3081 [emacs_cv_arg6_star=yes])
3082 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
3083 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
3084 either XPointer or XPointer*.])dnl
3085 if test "$emacs_cv_arg6_star" = yes; then
3086 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
3088 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
3093 ### Start of font-backend (under any platform) section.
3094 # (nothing here yet -- this is a placeholder)
3095 ### End of font-backend (under any platform) section.
3097 ### Start of font-backend (under X11) section.
3098 if test "${HAVE_X11}" = "yes"; then
3099 ## Use -lXft if available, unless '--with-xft=no'.
3101 if test "x${with_x}" = "xno"; then
3105 if test "$with_xft" != no; then
3106 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
3107 with_xft=$HAVE_FONTCONFIG
3110 if test "x${with_xft}" != "xno"; then
3112 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
3113 ## Because xftfont.c uses XRenderQueryExtension, we also
3114 ## need to link to -lXrender.
3116 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
3117 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
3118 OLD_CPPFLAGS="$CPPFLAGS"
3119 OLD_CFLAGS="$CFLAGS"
3121 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3122 CFLAGS="$CFLAGS $XFT_CFLAGS"
3123 XFT_LIBS="-lXrender $XFT_LIBS"
3124 LIBS="$XFT_LIBS $LIBS"
3125 AC_CHECK_HEADER(X11/Xft/Xft.h,
3126 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3127 [[#include <X11/X.h>]])
3129 if test "${HAVE_XFT}" = "yes"; then
3130 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3132 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3133 fi # "${HAVE_XFT}" = "yes"
3134 CPPFLAGS=$OLD_CPPFLAGS
3137 fi # "$HAVE_XFT" != no
3138 fi # "x${with_xft}" != "xno"
3140 ## We used to allow building with FreeType and without Xft.
3141 ## However, the ftx font backend driver is not in good shape.
3142 if test "$HAVE_XFT" != "yes"; then
3143 dnl For the "Does Emacs use" message at the end.
3147 dnl Strict linkers fail with
3148 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3149 dnl if -lfreetype is not specified.
3150 dnl The following is needed to set FREETYPE_LIBS.
3151 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3153 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3157 if test "${HAVE_FREETYPE}" = "yes"; then
3158 AC_DEFINE(HAVE_FREETYPE, 1,
3159 [Define to 1 if using the freetype and fontconfig libraries.])
3160 if test "${with_libotf}" != "no"; then
3161 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3162 if test "$HAVE_LIBOTF" = "yes"; then
3163 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3164 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3165 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3166 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3167 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3168 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3169 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3173 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3174 dnl Does the new font backend require it, or can it work without it?
3178 if test "${HAVE_LIBOTF}" = yes; then
3179 if test "${with_m17n_flt}" != "no"; then
3180 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3181 if test "$HAVE_M17N_FLT" = "yes"; then
3182 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3193 ### End of font-backend (under X11) section.
3195 AC_SUBST(FREETYPE_CFLAGS)
3196 AC_SUBST(FREETYPE_LIBS)
3197 AC_SUBST(FONTCONFIG_CFLAGS)
3198 AC_SUBST(FONTCONFIG_LIBS)
3199 AC_SUBST(LIBOTF_CFLAGS)
3200 AC_SUBST(LIBOTF_LIBS)
3201 AC_SUBST(M17N_FLT_CFLAGS)
3202 AC_SUBST(M17N_FLT_LIBS)
3205 if test "${HAVE_X11}" = "yes"; then
3206 if test "${with_cairo}" != "no"; then
3207 CAIRO_REQUIRED=1.12.0
3208 CAIRO_MODULE="cairo >= $CAIRO_REQUIRED"
3209 EMACS_CHECK_MODULES(CAIRO, $CAIRO_MODULE)
3210 if test $HAVE_CAIRO = yes; then
3211 AC_DEFINE(USE_CAIRO, 1, [Define to 1 if using cairo.])
3213 AC_MSG_ERROR([cairo requested but not found.])
3216 CFLAGS="$CFLAGS $CAIRO_CFLAGS"
3217 LIBS="$LIBS $CAIRO_LIBS"
3218 AC_SUBST(CAIRO_CFLAGS)
3219 AC_SUBST(CAIRO_LIBS)
3223 if test "${HAVE_X11}" = "yes"; then
3224 AC_CHECK_HEADER(X11/Xlib-xcb.h,
3225 AC_CHECK_LIB(xcb, xcb_translate_coordinates, HAVE_XCB=yes))
3226 if test "${HAVE_XCB}" = "yes"; then
3227 AC_CHECK_LIB(X11-xcb, XGetXCBConnection, HAVE_X11_XCB=yes)
3228 if test "${HAVE_X11_XCB}" = "yes"; then
3229 AC_DEFINE(USE_XCB, 1,
3230 [Define to 1 if you have the XCB library and X11-XCB library for mixed
3231 X11/XCB programming.])
3232 XCB_LIBS="-lX11-xcb -lxcb"
3238 ### Use -lXpm if available, unless '--with-xpm=no'.
3239 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3240 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3241 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3242 ### LDFLAGS) accordingly.
3245 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3246 if test "${with_xpm}" != "no"; then
3247 SAVE_CPPFLAGS="$CPPFLAGS"
3248 SAVE_LDFLAGS="$LDFLAGS"
3249 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3250 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3251 AC_CHECK_HEADER(X11/xpm.h,
3252 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3253 if test "${HAVE_XPM}" = "yes"; then
3254 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3255 AC_EGREP_CPP(no_return_alloc_pixels,
3256 [#include "X11/xpm.h"
3257 #ifndef XpmReturnAllocPixels
3258 no_return_alloc_pixels
3260 ], HAVE_XPM=no, HAVE_XPM=yes)
3262 if test "${HAVE_XPM}" = "yes"; then
3263 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3267 CPPFLAGS="$SAVE_CPPFLAGS"
3268 LDFLAGS="$SAVE_LDFLAGS"
3273 if test "${HAVE_XPM}" = "yes"; then
3274 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3279 if test "${HAVE_X11}" = "yes"; then
3280 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3281 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3283 if test "${with_xpm}" != "no"; then
3284 AC_CHECK_HEADER(X11/xpm.h,
3285 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3286 if test "${HAVE_XPM}" = "yes"; then
3287 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3288 AC_EGREP_CPP(no_return_alloc_pixels,
3289 [#include "X11/xpm.h"
3290 #ifndef XpmReturnAllocPixels
3291 no_return_alloc_pixels
3293 ], HAVE_XPM=no, HAVE_XPM=yes)
3295 if test "${HAVE_XPM}" = "yes"; then
3303 if test "${HAVE_XPM}" = "yes"; then
3304 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3306 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3307 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3312 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3313 ### slightly different requirements wrt image libraries (it doesn't
3314 ### use -lXpm because it loads the xpm shared library dynamically at
3316 if test "${opsys}" = "mingw32"; then
3317 if test "${with_xpm}" != "no"; then
3318 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3322 if test "${HAVE_XPM}" = "yes"; then
3323 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3329 ### Use -ljpeg if available, unless '--with-jpeg=no'.
3332 if test "${with_jpeg}" != "no"; then
3333 AC_CACHE_CHECK([for jpeglib 6b or later],
3336 for emacs_cv_jpeglib in yes -ljpeg no; do
3337 case $emacs_cv_jpeglib in
3340 *) LIBS="$LIBS $emacs_cv_jpeglib";;
3344 [[#undef HAVE_STDLIB_H /* Avoid config.h/jpeglib.h collision. */
3345 #include <stdio.h> /* jpeglib.h needs FILE and size_t. */
3346 #include <jpeglib.h>
3348 char verify[JPEG_LIB_VERSION < 62 ? -1 : 1];
3349 struct jpeg_decompress_struct cinfo;
3352 jpeg_create_decompress (&cinfo);
3353 WARNMS (&cinfo, JWRN_JPEG_EOF);
3354 jpeg_destroy_decompress (&cinfo);
3356 [emacs_link_ok=yes],
3359 test $emacs_link_ok = yes && break
3361 if test "$emacs_cv_jpeglib" != no; then
3363 AC_DEFINE([HAVE_JPEG], 1,
3364 [Define to 1 if you have the jpeg library (typically -ljpeg).])
3365 ### mingw32 doesn't use -ljpeg, since it loads the library
3366 ### dynamically when needed, and doesn't want a run-time
3367 ### dependency on the jpeglib DLL.
3368 test "$emacs_cv_jpeglib" != yes && test "${opsys}" != "mingw32" \
3369 && LIBJPEG=$emacs_cv_jpeglib
3376 if test "${with_zlib}" != "no"; then
3378 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3380 case $ac_cv_search_inflateEnd in
3381 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3384 if test "${HAVE_ZLIB}" = "yes"; then
3385 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3386 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3387 if test "${opsys}" = "mingw32"; then
3393 ### Dynamic modules support
3398 if test "${with_modules}" != "no"; then
3402 MODULES_SUFFIX=".so"
3406 MODULES_SUFFIX=".dll"
3410 MODULES_SUFFIX=".so"
3414 # BSD systems have dlopen in libc.
3415 AC_CHECK_FUNC([dlopen],
3416 [MODULES_SUFFIX=".so"
3421 if test "${HAVE_MODULES}" = no; then
3422 AC_MSG_ERROR([Dynamic modules are not supported on your system])
3425 LIBS="$LIBS $LIBMODULES"
3426 AC_CHECK_FUNCS([dladdr dlfunc])
3431 if test "${HAVE_MODULES}" = yes; then
3432 MODULES_OBJ="dynlib.o emacs-module.o"
3433 AC_DEFINE(HAVE_MODULES, 1, [Define to 1 if dynamic modules are enabled])
3434 AC_DEFINE_UNQUOTED(MODULES_SUFFIX, "$MODULES_SUFFIX",
3435 [System extension for dynamic libraries])
3437 AC_SUBST(MODULES_OBJ)
3438 AC_SUBST(LIBMODULES)
3440 ### Use -lpng if available, unless '--with-png=no'.
3444 if test "${NS_IMPL_COCOA}" = yes; then
3446 elif test "${with_png}" != no; then
3447 # mingw32 loads the library dynamically.
3448 if test "$opsys" = mingw32; then
3449 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3450 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3451 AC_MSG_CHECKING([for png])
3452 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3453 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3454 # libpng-config does not work; configure by hand.
3455 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3456 # in /usr/include/libpng.
3457 if test -r /usr/include/libpng/png.h &&
3458 test ! -r /usr/include/png.h; then
3459 png_cflags=-I/usr/include/libpng
3467 CFLAGS="$CFLAGS $png_cflags"
3468 LIBS="$png_libs -lz -lm $LIBS"
3470 [AC_LANG_PROGRAM([[#include <png.h>]],
3471 [[return !png_get_channels (0, 0);]])],
3473 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3475 # $LIBPNG requires explicit -lz in some cases.
3476 # We don't know what those cases are, exactly, so play it safe and
3477 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3478 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3479 LIBPNG="$LIBPNG -lz"
3483 AC_MSG_RESULT([$HAVE_PNG])
3486 if test $HAVE_PNG = yes; then
3487 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3490 CFLAGS="$CFLAGS $PNG_CFLAGS"
3491 AC_CHECK_DECL([png_longjmp],
3493 [AC_DEFINE([PNG_DEPSTRUCT], [],
3494 [Define to empty to suppress deprecation warnings when building
3495 with --enable-gcc-warnings and with libpng versions before 1.5,
3496 which lack png_longjmp.])],
3502 AC_SUBST(PNG_CFLAGS)
3504 ### Use -ltiff if available, unless '--with-tiff=no'.
3505 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3508 if test "${opsys}" = "mingw32"; then
3509 if test "${with_tiff}" != "no"; then
3510 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3512 if test "${HAVE_TIFF}" = "yes"; then
3513 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3515 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3516 if test "${with_tiff}" != "no"; then
3517 AC_CHECK_HEADER(tiffio.h,
3519 # At least one tiff package requires the jpeg library.
3520 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3521 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3524 if test "${HAVE_TIFF}" = "yes"; then
3525 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3526 dnl FIXME -lz -lm, as per libpng?
3532 ### Use -lgif or -lungif if available, unless '--with-gif=no'.
3533 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3536 if test "${opsys}" = "mingw32"; then
3537 if test "${with_gif}" != "no"; then
3538 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3540 if test "${HAVE_GIF}" = "yes"; then
3541 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3543 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3544 || test "${HAVE_W32}" = "yes"; then
3545 AC_CHECK_HEADER(gif_lib.h,
3546 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3547 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3548 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3549 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3551 if test "$HAVE_GIF" = yes; then
3553 elif test "$HAVE_GIF" = maybe; then
3554 # If gif_lib.h but no libgif, try libungif.
3555 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3556 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3559 if test "${HAVE_GIF}" = "yes"; then
3560 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3565 dnl Check for required libraries.
3566 if test "${HAVE_X11}" = "yes"; then
3569 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3570 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3571 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3572 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3573 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3574 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3575 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3576 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3577 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3578 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3580 if test "X${MISSING}" != X; then
3581 AC_MSG_ERROR([The following required libraries were not found:
3583 Maybe some development libraries/packages are missing?
3584 If you don't want to link with them give
3586 as options to configure])
3590 ### Use -lgpm if available, unless '--with-gpm=no'.
3593 if test "${with_gpm}" != "no"; then
3594 AC_CHECK_HEADER(gpm.h,
3595 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3597 if test "${HAVE_GPM}" = "yes"; then
3598 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3604 dnl Check for malloc/malloc.h on darwin
3605 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3608 ### Use NeXTstep API to implement GUI.
3609 if test "${HAVE_NS}" = "yes"; then
3610 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3611 if test "${NS_IMPL_COCOA}" = "yes"; then
3612 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3614 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3615 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3616 if test $NS_GNUSTEP_CONFIG != yes; then
3617 # See also .m.o rule in src/Makefile.in. */
3618 # FIXME: are all these flags really needed? Document here why. */
3619 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3620 ## Extra CFLAGS applied to src/*.m files.
3621 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3627 ### Use session management (-lSM -lICE) if available
3630 if test "${HAVE_X11}" = "yes"; then
3631 AC_CHECK_HEADER(X11/SM/SMlib.h,
3632 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3634 if test "${HAVE_X_SM}" = "yes"; then
3635 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3641 ### Use XRandr (-lXrandr) if available
3643 if test "${HAVE_X11}" = "yes"; then
3644 XRANDR_REQUIRED=1.2.2
3645 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3646 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3647 if test $HAVE_XRANDR = no; then
3648 # Test old way in case pkg-config doesn't have it (older machines).
3649 # Include Xrender.h by hand to work around bug in older Xrandr.h
3650 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3651 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3652 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3653 [], [AC_INCLUDES_DEFAULT
3654 #include <X11/extensions/Xrender.h>])
3655 if test $HAVE_XRANDR = yes; then
3656 XRANDR_LIBS=-lXrandr
3659 if test $HAVE_XRANDR = yes; then
3660 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3663 AC_SUBST(XRANDR_CFLAGS)
3664 AC_SUBST(XRANDR_LIBS)
3666 ### Use Xinerama (-lXinerama) if available
3668 if test "${HAVE_X11}" = "yes"; then
3669 XINERAMA_REQUIRED=1.0.2
3670 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3671 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3672 if test $HAVE_XINERAMA = no; then
3673 # Test old way in case pkg-config doesn't have it (older machines).
3674 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3675 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3676 if test $HAVE_XINERAMA = yes; then
3677 XINERAMA_LIBS=-lXinerama
3680 if test $HAVE_XINERAMA = yes; then
3681 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3684 AC_SUBST(XINERAMA_CFLAGS)
3685 AC_SUBST(XINERAMA_LIBS)
3687 ### Use Xfixes (-lXfixes) if available
3689 if test "${HAVE_X11}" = "yes"; then
3690 XFIXES_REQUIRED=4.0.0
3691 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3692 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3693 if test $HAVE_XFIXES = no; then
3694 # Test old way in case pkg-config doesn't have it (older machines).
3695 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3696 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3697 if test $HAVE_XFIXES = yes; then
3698 XFIXES_LIBS=-lXfixes
3701 if test $HAVE_XFIXES = yes; then
3702 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3705 AC_SUBST(XFIXES_CFLAGS)
3706 AC_SUBST(XFIXES_LIBS)
3708 ### Use libxml (-lxml2) if available
3709 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3711 if test "${with_xml2}" != "no"; then
3712 ### I'm not sure what the version number should be, so I just guessed.
3713 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3714 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3715 if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
3716 SAVE_CPPFLAGS="$CPPFLAGS"
3717 if test -z "$xcsdkdir" -a -n "$XCRUN" -a ! -d /usr/include; then
3718 dnl /usr/include is not found. Try Xcode SDK dir if it is sane.
3719 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
3721 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
3725 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3726 AC_CHECK_HEADER(libxml/HTMLparser.h,
3727 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3728 [#include <libxml/HTMLparser.h>])])
3729 CPPFLAGS="$SAVE_CPPFLAGS"
3730 if test "${HAVE_LIBXML2}" = "yes"; then
3731 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3732 LIBXML2_LIBS="-lxml2"
3735 if test "${HAVE_LIBXML2}" = "yes"; then
3736 if test "${opsys}" != "mingw32"; then
3737 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no,
3742 if test "${HAVE_LIBXML2}" = "yes"; then
3743 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3750 AC_SUBST(LIBXML2_LIBS)
3751 AC_SUBST(LIBXML2_CFLAGS)
3753 # Check for mail-locking functions in a "mail" library. Probably this should
3754 # have the same check as for liblockfile below.
3755 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3756 if test $have_mail = yes; then
3758 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the 'mail' library (-lmail).])
3761 LIBS="$LIBS_MAIL $LIBS"
3762 AC_CHECK_FUNCS(touchlock)
3767 dnl Debian, at least:
3768 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3769 if test $have_lockfile = yes; then
3770 LIBS_MAIL=-llockfile
3771 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the 'lockfile' library (-llockfile).])
3773 # If we have the shared liblockfile, assume we must use it for mail
3774 # locking (e.g. Debian). If we couldn't link against liblockfile
3775 # (no liblockfile.a installed), ensure that we don't need to.
3776 dnl This works for files generally, not just executables.
3777 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3778 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3779 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3780 if test $ac_cv_prog_liblockfile = yes; then
3781 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3782 This probably means that movemail could lose mail.
3783 There may be a 'development' package to install containing liblockfile.])
3786 AC_CHECK_HEADERS_ONCE(maillock.h)
3789 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3790 ## interlock access to the mail spool. The alternative is a lock file named
3791 ## /usr/spool/mail/$USER.lock.
3794 aix4-2) mail_lock="lockf" ;;
3796 gnu|freebsd|dragonfly|netbsd|openbsd|darwin) mail_lock="flock" ;;
3798 ## On GNU/Linux systems, both methods are used by various mail programs.
3799 ## I assume most people are using newer mailers that have heard of flock.
3800 ## Change this if you need to.
3801 ## Debian contains a patch which says: "On Debian/GNU/Linux systems,
3802 ## configure gets the right answers, and that means *NOT* using flock.
3803 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3804 ## for details." and then uses '#ifdef DEBIAN'. Unfortunately the
3805 ## Debian maintainer hasn't provided a clean fix for Emacs.
3806 ## movemail.c will use 'maillock' when MAILDIR, HAVE_LIBMAIL and
3807 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3808 ## correct logic. -- fx
3809 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3810 ## liblockfile is a Free Software replacement for libmail, used on
3811 ## Debian systems and elsewhere. -rfr.
3814 if test $have_mail = yes || test $have_lockfile = yes; then
3815 test $ac_cv_header_maillock_h = yes && mail_lock=no
3820 mail_lock="none-needed" ;;
3824 case "$mail_lock" in
3825 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3827 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3831 *) BLESSMAIL_TARGET="need-blessmail" ;;
3833 AC_SUBST(BLESSMAIL_TARGET)
3836 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3837 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3838 getrusage get_current_dir_name \
3839 lrand48 random rint \
3840 select getpagesize setlocale newlocale \
3841 getrlimit setrlimit shutdown \
3842 pthread_sigmask strsignal setitimer \
3843 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3845 getpwent endpwent getgrent endgrent \
3846 cfmakeraw cfsetspeed copysign __executable_start log2)
3849 dnl No need to check for posix_memalign if aligned_alloc works.
3850 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3851 AC_CHECK_DECLS([aligned_alloc], [], [], [[#include <stdlib.h>]])
3853 dnl Cannot use AC_CHECK_FUNCS
3854 AC_CACHE_CHECK([for __builtin_unwind_init],
3855 emacs_cv_func___builtin_unwind_init,
3856 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3857 emacs_cv_func___builtin_unwind_init=yes,
3858 emacs_cv_func___builtin_unwind_init=no)])
3859 if test $emacs_cv_func___builtin_unwind_init = yes; then
3860 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3861 [Define to 1 if you have the '__builtin_unwind_init' function.])
3864 AC_CHECK_HEADERS_ONCE(sys/un.h)
3869 AC_CHECK_FUNCS(grantpt)
3871 # PTY-related GNU extensions.
3872 AC_CHECK_FUNCS(getpt posix_openpt)
3874 # Check this now, so that we will NOT find the above functions in ncurses.
3875 # That is because we have not set up to link ncurses in lib-src.
3876 # It's better to believe a function is not available
3877 # than to expect to find it in ncurses.
3878 # Also we need tputs and friends to be able to build at all.
3879 AC_MSG_CHECKING([for library containing tputs])
3880 # Run a test program that contains a call to tputs, a call that is
3881 # never executed. This tests whether a pre-'main' dynamic linker
3882 # works with the library. It's too much trouble to actually call
3883 # tputs in the test program, due to portability hassles. When
3884 # cross-compiling, assume the test program will run if it links.
3885 AC_DEFUN([tputs_link_source], [
3887 [[extern void tputs (const char *, int, int (*)(int));
3888 int main (int argc, char **argv)
3891 tputs (argv[0], 0, 0);
3895 if test "${opsys}" = "mingw32"; then
3898 # Maybe curses should be tried earlier?
3899 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3900 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3902 if test -z "$tputs_library"; then
3906 LIBS_TERMCAP=-l$tputs_library
3908 LIBS="$LIBS_TERMCAP $LIBS"
3910 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3911 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3913 if test "X$msg" != Xno; then
3918 AC_MSG_RESULT([$msg])
3919 if test "X$msg" = Xno; then
3920 AC_MSG_ERROR([The required function 'tputs' was not found in any library.
3921 The following libraries were tried (in order):
3922 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3923 Please try installing whichever of these libraries is most appropriate
3924 for your system, together with its header files.
3925 For example, a libncurses-dev(el) or similar package.])
3928 ## Use termcap instead of terminfo?
3929 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3931 ## FIXME? In the cases below where we unconditionally set
3932 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3933 ## if that was found above to have tputs.
3934 ## Should we use the gnu* logic everywhere?
3936 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3937 ## The ncurses library has been moved out of the System framework in
3938 ## Mac OS X 10.2. So if configure detects it, set the command-line
3939 ## option to use it.
3940 darwin) LIBS_TERMCAP="-lncurses" ;;
3942 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3945 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3946 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3947 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3948 [[#if __FreeBSD_version < 400000
3951 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3953 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3955 if test $emacs_cv_freebsd_terminfo = yes; then
3956 LIBS_TERMCAP="-lncurses"
3959 LIBS_TERMCAP="-ltermcap"
3969 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3971 LIBS_TERMCAP="-ltermcap"
3975 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3977 ## hpux: Make sure we get select from libc rather than from libcurses
3978 ## because libcurses on HPUX 10.10 has a broken version of select.
3979 ## We used to use -lc -lcurses, but this may be cleaner.
3980 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3981 # set that way, now it uses the default). Isn't this a contradiction?
3982 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3986 TERMCAP_OBJ=tparam.o
3987 if test $TERMINFO = yes; then
3988 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3989 TERMCAP_OBJ=terminfo.o
3991 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3992 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3994 AC_SUBST(LIBS_TERMCAP)
3995 AC_SUBST(TERMCAP_OBJ)
3997 # GNU/Linux-specific timer functions.
3998 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
4000 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
4002 [[timerfd_create (CLOCK_REALTIME,
4003 TFD_CLOEXEC | TFD_NONBLOCK);
4004 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
4005 [emacs_cv_have_timerfd=yes],
4006 [emacs_cv_have_timerfd=no])])
4007 if test "$emacs_cv_have_timerfd" = yes; then
4008 AC_DEFINE([HAVE_TIMERFD], 1,
4009 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
4012 # Alternate stack for signal handlers.
4013 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
4014 [emacs_cv_alternate_stack],
4016 [AC_LANG_PROGRAM([[#include <signal.h>
4019 struct sigaction sa;
4020 ss.ss_sp = malloc (SIGSTKSZ);
4021 ss.ss_size = SIGSTKSZ;
4022 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
4023 sigaltstack (&ss, 0);
4024 sigaction (SIGSEGV, &sa, 0);]])],
4025 [emacs_cv_alternate_stack=yes],
4026 [emacs_cv_alternate_stack=no])])
4028 # Do we need the Hesiod library to provide the support routines?
4029 dnl FIXME? Should we be skipping this on Darwin too?
4032 if test "$with_hesiod" != no ; then
4033 # Don't set $LIBS here -- see comments above. FIXME which comments?
4035 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
4036 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
4037 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
4038 if test "$resolv" = yes ; then
4044 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
4045 hesiod=yes, :, $RESOLVLIB)])
4047 if test x"$hesiod" = xyes; then
4049 LIBRESOLV=$RESOLVLIB
4055 # These tell us which Kerberos-related libraries to use.
4062 if test "${with_kerberos}" != no; then
4064 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
4065 if test $have_com_err = yes; then
4066 COM_ERRLIB=-lcom_err
4067 LIBS="$COM_ERRLIB $LIBS"
4069 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
4070 if test $have_crypto = yes; then
4072 LIBS="$CRYPTOLIB $LIBS"
4074 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
4075 if test $have_k5crypto = yes; then
4076 CRYPTOLIB=-lk5crypto
4077 LIBS="$CRYPTOLIB $LIBS"
4079 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
4080 if test $have_krb5=yes; then
4082 LIBS="$KRB5LIB $LIBS"
4084 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
4085 if test "${with_kerberos5}" = no; then
4086 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
4087 if test $have_des425 = yes; then
4089 LIBS="$DESLIB $LIBS"
4091 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
4092 if test $have_des = yes; then
4094 LIBS="$DESLIB $LIBS"
4097 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
4098 if test $have_krb4 = yes; then
4100 LIBS="$KRB4LIB $LIBS"
4102 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
4103 if test $have_krb = yes; then
4105 LIBS="$KRB4LIB $LIBS"
4110 if test "${with_kerberos5}" != no; then
4111 AC_CHECK_HEADERS(krb5.h,
4112 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
4113 [#include <krb5.h>])])
4115 AC_CHECK_HEADERS(krb.h,,
4116 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
4117 [AC_CHECK_HEADERS(kerberos/krb.h)])])
4119 AC_CHECK_HEADERS(com_err.h)
4123 AC_SUBST(COM_ERRLIB)
4129 AC_CHECK_HEADERS(valgrind/valgrind.h)
4131 AC_CHECK_MEMBERS([struct unipair.unicode], [], [], [[#include <linux/kd.h>]])
4133 AC_CHECK_FUNCS_ONCE(tzset)
4136 AC_CHECK_FUNC(socket, , ok_so_far=no)
4137 if test $ok_so_far = yes; then
4138 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4140 if test $ok_so_far = yes; then
4141 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4143 if test $ok_so_far = yes; then
4144 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4145 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4146 [Define to 1 if you have inet sockets.])
4151 AC_CHECK_FUNCS(snprintf)
4153 dnl Check for glib. This differs from other library checks in that
4154 dnl Emacs need not link to glib unless some other library is already
4155 dnl linking to glib. Although glib provides no facilities that Emacs
4156 dnl needs for its own purposes, when glib is present Emacs needs to
4157 dnl use primitives like g_main_context_query to avoid clashing with
4158 dnl glib at a low level.
4160 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4164 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4165 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4166 CFLAGS="$CFLAGS $NOTIFY_CFLAGS $CAIRO_CFLAGS"
4167 LIBS="$LIBS $NOTIFY_LIBS $CAIRO_LIBS"
4168 AC_MSG_CHECKING([whether GLib is linked in])
4169 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4172 [[g_print ("Hello world");]])],
4175 AC_MSG_RESULT([$links_glib])
4176 if test "${links_glib}" = "yes"; then
4177 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4178 if test "$HAVE_NS" = no;then
4186 dnl Adapted from Haible's version.
4187 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4188 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4189 [[char* cs = nl_langinfo(CODESET);]])],
4190 emacs_cv_langinfo_codeset=yes,
4191 emacs_cv_langinfo_codeset=no)
4193 if test $emacs_cv_langinfo_codeset = yes; then
4194 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4195 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4200 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4201 dnl how the tty code is related to POSIX and/or other versions of termios.
4202 dnl The following looks like a useful start.
4204 dnl AC_SYS_POSIX_TERMIOS
4205 dnl if test $ac_cv_sys_posix_termios = yes; then
4206 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4207 dnl and macros for terminal control.])
4208 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4211 dnl Turned on June 1996 supposing nobody will mind it.
4212 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4213 if test "${opsys}" != "mingw32"; then
4214 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4215 in the full name stands for the login id.])
4218 dnl Everybody supports this, except MS.
4219 dnl Seems like the kind of thing we should be testing for, though.
4220 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4221 if test "${opsys}" != "mingw32"; then
4222 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4225 dnl Everybody supports this, except MS-DOS.
4226 dnl Seems like the kind of thing we should be testing for, though.
4227 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4228 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4229 4.2-compatible sockets.])
4231 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4233 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4234 a null file, or a data sink.])
4235 if test "${opsys}" = "mingw32"; then
4236 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4238 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4241 if test "${opsys}" = "mingw32"; then
4246 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4247 dnl This is for MinGW, and is used in test/Makefile.in.
4248 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4249 dnl decides that a command-line argument to be passed to a MinGW program
4250 dnl is a PATH-style list of directories. But that heuristics plays it
4251 dnl safe, and only does the replacement when it is _absolutely_ sure it
4252 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4253 dnl which breaks in-tree builds. So we do this manually instead.
4254 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4255 dnl be computed as ':' in MSYS Bash.
4258 dnl Everybody supports this, except MS-DOS.
4259 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4261 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4264 AC_DEFINE(DIRECTORY_SEP, ['/'],
4265 [Character that separates directories in a file name.])
4267 if test "${opsys}" = "mingw32"; then
4268 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4269 [Returns true if character is a device separator.])
4271 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4272 [Returns true if character is a directory separator.])
4274 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4275 [Returns true if character is any form of separator.])
4277 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4278 [Returns true if character is a device separator.])
4280 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4281 [Returns true if character is a directory separator.])
4283 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4284 [Returns true if character is any form of separator.])
4287 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4291 dnl Unfortunately without libXmu we cannot support EditRes.
4292 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4293 AC_DEFINE(NO_EDITRES, 1)
4298 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4299 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4300 AC_DEFINE(NO_EDITRES, 1)
4307 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4308 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4309 dnl need the constant to dimension an array. So wire in the appropriate
4311 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4315 emacs_broken_SIGIO=no
4318 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4319 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4320 hpux* | nacl | openbsd | sol2* | unixware )
4321 emacs_broken_SIGIO=yes
4325 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4326 dnl the way this system works, libc functions that return malloced
4327 dnl memory use the libc malloc implementation. Calling xfree or
4328 dnl xrealloc on the results of such functions results in a crash.
4330 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4331 dnl but that does not currently work on this system.
4333 dnl It is possible to completely override the malloc implementation on
4334 dnl AIX, but that involves putting the malloc functions in a shared
4335 dnl library and setting the MALLOCTYPE environment variable to point to
4336 dnl that shared library.
4338 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4339 dnl to avoid a crash just use the Emacs implementation for that function.
4341 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4342 dnl of this file, so that we do not check for get_current_dir_name
4343 dnl on AIX. But that might be fragile if something else ends
4344 dnl up testing for get_current_dir_name as a dependency.
4345 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4346 get_current_dir_name should not be used.])
4350 dnl Circumvent a bug in FreeBSD. In the following sequence of
4351 dnl writes/reads on a PTY, read(2) returns bogus data:
4353 dnl write(2) 1022 bytes
4354 dnl write(2) 954 bytes, get EAGAIN
4355 dnl read(2) 1024 bytes in process_read_output
4356 dnl read(2) 11 bytes in process_read_output
4358 dnl That is, read(2) returns more bytes than have ever been written
4359 dnl successfully. The 1033 bytes read are the 1022 bytes written
4360 dnl successfully after processing (for example with CRs added if the
4361 dnl terminal is set up that way which it is here). The same bytes will
4362 dnl be seen again in a later read(2), without the CRs.
4363 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4364 work around an issue when reading from a PTY.])
4370 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4371 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4376 darwin | dragonfly | freebsd | netbsd | openbsd )
4377 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4378 close a pty to make it a controlling terminal (it is already a
4379 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4383 dnl FIXME Surely we can test for this rather than hard-code it.
4385 netbsd | openbsd) sound_device="/dev/audio" ;;
4386 *) sound_device="/dev/dsp" ;;
4390 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4391 [Name of the default sound device.])
4394 dnl Emacs can read input using SIGIO and buffering characters itself,
4395 dnl or using CBREAK mode and making C-g cause SIGINT.
4396 dnl The choice is controlled by the variable interrupt_input.
4398 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4400 dnl Emacs uses the presence of the USABLE_SIGIO macro
4401 dnl to indicate whether or not signal-driven I/O is possible. It uses
4402 dnl INTERRUPT_INPUT to decide whether to use it by default.
4404 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4405 dnl CBREAK mode has two disadvantages
4406 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4407 dnl I hear that in system V this problem does not exist.
4408 dnl 2) Control-G causes output to be discarded.
4409 dnl I do not know whether this can be fixed in system V.
4411 dnl Another method of doing input is planned but not implemented.
4412 dnl It would have Emacs fork off a separate process
4413 dnl to read the input and send it to the true Emacs process
4416 darwin | gnu-linux | gnu-kfreebsd )
4417 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4422 dnl If the system's imake configuration file defines 'NeedWidePrototypes'
4423 dnl as 'NO', we must define NARROWPROTO manually. Such a define is
4424 dnl generated in the Makefile generated by 'xmkmf'. If we don't define
4425 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4426 dnl taking float or double parameters.
4428 cygwin|gnu|gnu-linux|gnu-kfreebsd|freebsd|netbsd|openbsd)
4429 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4430 file defines 'NeedWidePrototypes' as 'NO'.])
4435 dnl Used in process.c, this must be a loop, even if it only runs once.
4436 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4437 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4438 dnl trying suffixes 0-16.
4439 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4440 first PTY, if PTYs are supported.])
4441 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4442 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4443 end of a PTY, if non-standard.])
4444 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4445 end of a PTY, if non-standard.])
4449 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4450 dnl You allocate a pty by opening /dev/ptc to get the master side.
4451 dnl To get the name of the slave side, you just ttyname() the master side.
4452 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4453 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4457 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4458 dnl multi-line AC_DEFINEs are hard. :(
4459 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)])
4460 AC_DEFINE(PTY_NAME_SPRINTF, [])
4461 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4465 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4468 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd | darwin | nacl )
4470 if test "x$ac_cv_func_grantpt" = xyes; then
4471 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4472 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4473 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4474 dnl to prevent sigchld_handler from intercepting the child's death.
4475 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); }])
4476 dnl if HAVE_POSIX_OPENPT
4477 if test "x$ac_cv_func_posix_openpt" = xyes; then
4478 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4479 AC_DEFINE(PTY_NAME_SPRINTF, [])
4481 elif test "x$ac_cv_func_getpt" = xyes; then
4482 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4483 AC_DEFINE(PTY_NAME_SPRINTF, [])
4485 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4488 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4493 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4494 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4495 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4499 dnl On SysVr4, grantpt(3) forks a subprocess, so do not use
4500 dnl O_CLOEXEC when opening the pty, and keep the SIGCHLD handler
4501 dnl from intercepting that death. If any child but grantpt's should die
4502 dnl within, it should be caught after sigrelse(2).
4503 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4504 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); }])
4508 dnl Comments are as per sol2*.
4509 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4510 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); }])
4517 dnl This change means that we don't loop through allocate_pty too
4518 dnl many times in the (rare) event of a failure.
4519 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4520 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4521 dnl Push various streams modules onto a PTY channel. Used in process.c.
4522 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.])
4527 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4528 "typing" a signal character on the pty.])
4531 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4532 aix4-2 | cygwin | gnu | dragonfly | freebsd | netbsd | openbsd | darwin )
4533 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4536 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4537 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4538 gnu-linux | gnu-kfreebsd )
4540 AC_MSG_CHECKING([for signals via characters])
4541 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4542 #include <linux/version.h>
4543 #if LINUX_VERSION_CODE < 0x20400
4544 # error "Linux version too old"
4546 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4548 AC_MSG_RESULT([$emacs_signals_via_chars])
4549 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4554 AH_TEMPLATE(TAB3, [Undocumented.])
4557 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4559 gnu | dragonfly | freebsd | netbsd | openbsd )
4560 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4561 AC_DEFINE(TAB3, OXTABS)
4564 gnu-linux | gnu-kfreebsd )
4565 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4569 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4570 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4571 [Mark a secondary stack, like the register stack on the ia64.]), [])
4575 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4576 run_time_remap; for HPUX.])
4581 dnl This won't be used automatically yet. We also need to know, at least,
4582 dnl that the stack is continuous.
4583 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4584 registers relevant for conservative garbage collection in the jmp_buf.])
4588 dnl Not all the architectures are tested, but there are Debian packages
4589 dnl for SCM and/or Guile on them, so the technique must work. See also
4590 dnl comments in alloc.c concerning setjmp and gcc.
4591 dnl Fixme: it's probably safe to just use the GCC conditional below.
4592 gnu-linux | gnu-kfreebsd )
4593 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4594 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4595 || defined __alpha__ || defined __mips__ || defined __s390__ \
4596 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4597 || defined __ia64__ || defined __sh__
4600 # error "setjmp not known to work on this arch"
4602 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4607 if test x$GCC = xyes; then
4608 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4609 AC_DEFINE(GC_SETJMP_WORKS, 1)
4612 aix* | dragonfly | freebsd | netbsd | openbsd | sol2* )
4613 AC_DEFINE(GC_SETJMP_WORKS, 1)
4618 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4619 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4622 [[#include <setjmp.h>
4624 # define _longjmp longjmp
4629 _longjmp (j, 1);]])],
4630 [emacs_cv_func__setjmp=yes],
4631 [emacs_cv_func__setjmp=no])])
4632 if test $emacs_cv_func__setjmp = yes; then
4633 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4636 # We need to preserve signal mask to handle C stack overflows.
4637 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4640 [[#include <setjmp.h>
4643 if (! sigsetjmp (j, 1))
4644 siglongjmp (j, 1);]])],
4645 [emacs_cv_func_sigsetjmp=yes],
4646 [emacs_cv_func_sigsetjmp=no])])
4647 if test $emacs_cv_func_sigsetjmp = yes; then
4648 AC_DEFINE([HAVE_SIGSETJMP], 1,
4649 [Define to 1 if sigsetjmp and siglongjmp work.])
4652 case $emacs_cv_func_sigsetjmp,$emacs_cv_alternate_stack,$opsys in
4653 yes,yes,* | *,*,mingw32)
4654 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4655 [Define to 1 if C stack overflow can be handled in some cases.]);;
4660 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4661 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4662 dnl and this is all we need.
4663 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4670 dnl Used in xfaces.c.
4671 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4672 some systems, where it requires time.h.])
4677 dnl Define symbols to identify the version of Unix this is.
4678 dnl Define all the symbols that apply correctly.
4679 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4680 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4681 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4682 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4687 dnl This symbol should be defined on AIX Version 3 ???????
4688 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4690 # error "_AIX not defined"
4692 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4696 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4700 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4701 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4702 dnl distinguish OS X from pure Darwin.
4703 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4706 gnu-linux | gnu-kfreebsd )
4708 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4713 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4717 AC_DEFINE(DOS_NT, [])
4718 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4719 if test "x$ac_enable_checking" != "x" ; then
4720 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4726 AC_DEFINE(USG5_4, [])
4727 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4732 AC_DEFINE(USG5_4, [])
4736 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4739 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4740 emacs_cv_usable_FIONREAD=no
4744 emacs_cv_usable_FIONREAD=yes
4749 [AC_LANG_PROGRAM([[#include <sys/types.h>
4750 #include <sys/ioctl.h>
4752 # include <sys/filio.h>
4755 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4756 [emacs_cv_usable_FIONREAD=yes],
4757 [emacs_cv_usable_FIONREAD=no])
4760 if test $emacs_cv_usable_FIONREAD = yes; then
4761 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4763 if test $emacs_broken_SIGIO = no; then
4764 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4766 [AC_LANG_PROGRAM([[#include <fcntl.h>
4769 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4770 [emacs_cv_usable_SIGIO=yes],
4771 [emacs_cv_usable_SIGIO=no])],
4772 [emacs_cv_usable_SIGIO=yes],
4773 [emacs_cv_usable_SIGIO=no])
4774 if test $emacs_cv_usable_SIGIO = yes; then
4775 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4782 dnl It works to open the pty's tty in the parent (Emacs), then
4783 dnl close and reopen it in the child.
4784 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4785 works to open a pty's tty in the parent process, then close and
4786 reopen it in the child.])
4790 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4795 # Set up the CFLAGS for real compilation, so we can substitute it.
4796 CFLAGS="$REAL_CFLAGS"
4797 CPPFLAGS="$REAL_CPPFLAGS"
4800 ## Hack to detect a buggy GCC version.
4801 if test "$GCC" = yes && \
4802 $CC --version 2> /dev/null | grep 'gcc.* 4.5.0' >/dev/null; then
4804 *-fno-optimize-sibling-calls*) ;;
4806 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS.]);;
4810 version=$PACKAGE_VERSION
4812 copyright="Copyright (C) 2016 Free Software Foundation, Inc."
4813 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4814 [Short copyright string for this version of Emacs.])
4817 ### Specify what sort of things we'll be editing into Makefile and config.h.
4818 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4820 AC_SUBST(configuration)
4825 AC_SUBST(exec_prefix)
4828 AC_SUBST(sharedstatedir)
4829 AC_SUBST(libexecdir)
4833 AC_SUBST(standardlisppath)
4834 AC_SUBST(locallisppath)
4836 AC_SUBST(x_default_search_path)
4838 AC_SUBST(archlibdir)
4844 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4845 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4846 ## end of LIBX_BASE, but nothing ever set it.
4847 AC_SUBST(LD_SWITCH_X_SITE)
4848 AC_SUBST(C_SWITCH_X_SITE)
4849 AC_SUBST(GNUSTEP_CFLAGS)
4851 ## Used in lwlib/Makefile.in.
4852 AC_SUBST(X_TOOLKIT_TYPE)
4854 AC_SUBST(ns_appbindir)
4855 AC_SUBST(ns_appresdir)
4857 AC_SUBST(GNU_OBJC_CFLAGS)
4858 AC_SUBST(OTHER_FILES)
4860 if test -n "${term_header}"; then
4861 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4862 [Define to the header for the built-in window system.])
4865 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4866 [Define to the canonical Emacs configuration name.])
4867 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4868 [Define to the options passed to configure.])
4869 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4870 define this to include extra configuration information.])
4874 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4881 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4882 AC_DEFINE(HAVE_X_WINDOWS, 1,
4883 [Define to 1 if you want to use the X window system.])
4885 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4887 if test "$HAVE_CAIRO" = "yes"; then
4888 FONT_OBJ="ftfont.o ftcrfont.o"
4889 elif test "$HAVE_XFT" = "yes"; then
4890 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4891 elif test "$HAVE_FREETYPE" = "yes"; then
4892 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4902 if test "${USE_X_TOOLKIT}" != "none" ; then
4904 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4905 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4906 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4907 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4908 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4912 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4913 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4917 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4918 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4919 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4923 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4924 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4927 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4930 AC_SUBST(WIDGET_OBJ)
4933 case "$USE_X_TOOLKIT" in
4934 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4935 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4936 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4938 if test "$HAVE_XWIDGETS" = "yes"; then
4939 TOOLKIT_LIBW="$TOOLKIT_LIBW -lXcomposite"
4941 AC_SUBST(TOOLKIT_LIBW)
4943 if test "${opsys}" != "mingw32"; then
4944 if test "$USE_X_TOOLKIT" = "none"; then
4945 LIBXT_OTHER="\$(LIBXSM)"
4947 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4950 AC_SUBST(LIBXT_OTHER)
4952 if test "${HAVE_X11}" = "yes" ; then
4953 AC_DEFINE(HAVE_X11, 1,
4954 [Define to 1 if you want to use version 11 of X windows.])
4955 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4959 AC_SUBST(LIBX_OTHER)
4961 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4963 elif test "$USE_X_TOOLKIT" = none; then
4964 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4966 LIBXMENU='$(lwlibdir)/liblw.a'
4970 AC_CACHE_CHECK([for struct alignment],
4971 [emacs_cv_struct_alignment],
4973 [AC_LANG_PROGRAM([[#include <stddef.h>
4974 struct __attribute__ ((aligned (8))) s { char c; };
4975 struct t { char c; struct s s; };
4976 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4978 [emacs_cv_struct_alignment=yes],
4979 [emacs_cv_struct_alignment=no])])
4980 if test "$emacs_cv_struct_alignment" = yes; then
4981 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4982 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4983 structure to an N-byte boundary.])
4986 if test "${GNU_MALLOC}" = "yes" ; then
4987 AC_DEFINE(GNU_MALLOC, 1,
4988 [Define to 1 if you want to use the GNU memory allocator.])
4992 if test "${REL_ALLOC}" = "yes" ; then
4993 AC_DEFINE(REL_ALLOC, 1,
4994 [Define REL_ALLOC if you want to use the relocating allocator for
4997 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4999 AC_SUBST(RALLOC_OBJ)
5001 if test "$opsys" = "cygwin"; then
5002 CYGWIN_OBJ="cygw32.o"
5003 ## Cygwin differs because of its unexec().
5005 POST_ALLOC_OBJ=lastfile.o
5006 elif test "$opsys" = "mingw32"; then
5009 POST_ALLOC_OBJ=lastfile.o
5012 PRE_ALLOC_OBJ=lastfile.o
5015 AC_SUBST(CYGWIN_OBJ)
5016 AC_SUBST(PRE_ALLOC_OBJ)
5017 AC_SUBST(POST_ALLOC_OBJ)
5019 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
5020 dnl verbatim defined above. The tricky name is apropos, as this hack
5021 dnl makes Fortify go sour!
5022 AH_VERBATIM([FORTIFY_SOUR],
5023 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
5024 The workaround disables some useful run-time checking, so it
5025 should be conditional to the platforms with the performance bug.
5026 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
5027 #if defined __APPLE__ && defined __GNUC__
5028 # ifndef _DONT_USE_CTYPE_INLINE_
5029 # define _DONT_USE_CTYPE_INLINE_
5031 # ifndef _FORTIFY_SOURCE
5032 # define _FORTIFY_SOURCE 0
5037 # If user asks to omit features, disable optional features that gnulib
5038 # might otherwise enable.
5039 if test "$with_features" = no && test "$enable_acl" != yes; then
5043 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
5044 # it temporarily reverts them to their pre-pkg-config values,
5045 # because gnulib needs to work with both src (which uses the
5046 # pkg-config stuff) and lib-src (which does not). For example, gnulib
5047 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
5048 # and it therefore needs to run in an environment where LIBS does not
5049 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
5050 # for some package unrelated to lib-src.
5053 CFLAGS=$pre_PKG_CONFIG_CFLAGS
5054 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
5055 gl_ASSERT_NO_GNULIB_POSIXCHECK
5056 gl_ASSERT_NO_GNULIB_TESTS
5061 if test "${opsys}" = "mingw32"; then
5062 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
5063 # Remove unneeded switches from the value of CC that goes to Makefiles
5064 CC=`AS_ECHO(["$CC"]) | sed -e "s,$GCC_TEST_OPTIONS,,"`
5068 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
5070 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
5073 ## The -headerpad option tells ld (see man page) to leave room at the
5074 ## end of the header for adding load commands. Needed for dumping.
5075 ## 0x1000 is enough for roughly 52 load commands on the x86_64
5076 ## architecture (where they are 78 bytes each). The actual number of
5077 ## load commands added is not consistent but normally ranges from
5078 ## about 14 to about 34. Setting it high gets us plenty of slop and
5079 ## only costs about 1.5K of wasted binary space.
5080 headerpad_extra=1000
5081 if test "$HAVE_NS" = "yes"; then
5082 libs_nsgui="-framework AppKit"
5083 if test "$NS_IMPL_COCOA" = "yes"; then
5084 libs_nsgui="$libs_nsgui -framework IOKit"
5089 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
5091 ## This is here because src/Makefile.in did some extra fiddling around
5092 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
5093 ## LD_SWITCH_SYSTEM_TEMACS instead,
5094 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
5095 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5098 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5099 ## find X at run-time.
5100 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5101 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5102 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5103 ## had different values in configure (in ac_link) and src/Makefile.in.
5104 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5105 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5108 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5109 case "$canonical" in
5110 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5111 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5115 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5118 # -nopie fixes a temacs segfault on Gentoo, OpenBSD, and other systems
5119 # with "hardened" GCC configurations for some reason (Bug#18784).
5120 # We don't know why -nopie works, but not segfaulting is better than
5121 # segfaulting. Use ac_c_werror_flag=yes when trying -nopie, otherwise
5122 # clang keeps warning that it does not understand -nopie, and pre-4.6
5123 # GCC has a similar problem (Bug#20338).
5124 AC_CACHE_CHECK([whether $CC accepts -nopie],
5125 [emacs_cv_prog_cc_nopie],
5126 [emacs_save_c_werror_flag=$ac_c_werror_flag
5127 emacs_save_LDFLAGS=$LDFLAGS
5128 ac_c_werror_flag=yes
5129 LDFLAGS="$LDFLAGS -nopie"
5130 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
5131 [emacs_cv_prog_cc_nopie=yes],
5132 [emacs_cv_prog_cc_nopie=no])
5133 ac_c_werror_flag=$emacs_save_c_werror_flag
5134 LDFLAGS=$emacs_save_LDFLAGS])
5135 if test "$emacs_cv_prog_cc_nopie" = yes; then
5136 LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -nopie"
5139 if test x$ac_enable_profiling != x ; then
5141 *freebsd | gnu-linux) ;;
5142 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5146 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5148 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5150 ## Common for all window systems
5151 if test "$window_system" != "none"; then
5152 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5153 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5154 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5157 AC_SUBST(WINDOW_SYSTEM_OBJ)
5159 AH_TOP([/* GNU Emacs site configuration template file.
5161 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2016
5162 Free Software Foundation, Inc.
5164 This file is part of GNU Emacs.
5166 GNU Emacs is free software: you can redistribute it and/or modify
5167 it under the terms of the GNU General Public License as published by
5168 the Free Software Foundation, either version 3 of the License, or (at
5169 your option) any later version.
5171 GNU Emacs is distributed in the hope that it will be useful,
5172 but WITHOUT ANY WARRANTY; without even the implied warranty of
5173 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5174 GNU General Public License for more details.
5176 You should have received a copy of the GNU General Public License
5177 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5180 /* No code in Emacs #includes config.h twice, but some bits of code
5181 intended to work with other packages as well (like gmalloc.c)
5182 think they can include it as many times as they like. */
5183 #ifndef EMACS_CONFIG_H
5184 #define EMACS_CONFIG_H
5187 AH_BOTTOM([#include <conf_post.h>
5189 #endif /* EMACS_CONFIG_H */
5198 #### Report on what we decided to do.
5199 #### Report GTK as a toolkit, even if it doesn't use Xt.
5200 #### It makes printing result more understandable as using GTK sets
5201 #### toolkit_scroll_bars to yes by default.
5202 if test "${HAVE_GTK}" = "yes"; then
5203 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5206 if test $USE_ACL -ne 0; then
5207 ACL_SUMMARY="yes $LIB_ACL"
5212 emacs_standard_dirs='Standard dirs'
5214 Configured for '${canonical}'.
5216 Where should the build process find the source code? ${srcdir}
5217 What compiler should emacs be built with? ${CC} ${CFLAGS}
5218 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5219 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5220 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5221 What window system should Emacs use? ${window_system}
5222 What toolkit should Emacs use? ${USE_X_TOOLKIT}
5223 Where do we find X Windows header files? ${x_includes:-$emacs_standard_dirs}
5224 Where do we find X Windows libraries? ${x_libraries:-$emacs_standard_dirs}"])
5227 emacs_config_features=
5228 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS \
5229 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5230 LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS X_TOOLKIT X11 NS MODULES \
5231 XWIDGETS LIBSYSTEMD; do
5234 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5235 TOOLKIT_SCROLL_BARS|X_TOOLKIT) eval val=\${USE_$opt} ;;
5236 *) eval val=\${HAVE_$opt} ;;
5239 xno|xnone|x) continue ;;
5244 GTK*|LUCID|MOTIF) opt=$val ;;
5249 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5252 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5253 [Summary of some of the main features enabled by configure.])
5255 AS_ECHO([" Does Emacs use -lXaw3d? ${HAVE_XAW3D}
5256 Does Emacs use -lXpm? ${HAVE_XPM}
5257 Does Emacs use -ljpeg? ${HAVE_JPEG}
5258 Does Emacs use -ltiff? ${HAVE_TIFF}
5259 Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF
5260 Does Emacs use a png library? ${HAVE_PNG} $LIBPNG
5261 Does Emacs use -lrsvg-2? ${HAVE_RSVG}
5262 Does Emacs use cairo? ${HAVE_CAIRO}
5263 Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}
5264 Does Emacs support sound? ${HAVE_SOUND}
5265 Does Emacs use -lgpm? ${HAVE_GPM}
5266 Does Emacs use -ldbus? ${HAVE_DBUS}
5267 Does Emacs use -lgconf? ${HAVE_GCONF}
5268 Does Emacs use GSettings? ${HAVE_GSETTINGS}
5269 Does Emacs use a file notification library? ${NOTIFY_SUMMARY}
5270 Does Emacs use access control lists? ${ACL_SUMMARY}
5271 Does Emacs use -lselinux? ${HAVE_LIBSELINUX}
5272 Does Emacs use -lgnutls? ${HAVE_GNUTLS}
5273 Does Emacs use -lxml2? ${HAVE_LIBXML2}
5274 Does Emacs use -lfreetype? ${HAVE_FREETYPE}
5275 Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}
5276 Does Emacs use -lotf? ${HAVE_LIBOTF}
5277 Does Emacs use -lxft? ${HAVE_XFT}
5278 Does Emacs use -lsystemd? ${HAVE_LIBSYSTEMD}
5279 Does Emacs directly use zlib? ${HAVE_ZLIB}
5280 Does Emacs have dynamic modules support? ${HAVE_MODULES}
5281 Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}
5282 Does Emacs support Xwidgets (requires gtk3)? ${HAVE_XWIDGETS}
5285 if test -n "${EMACSDATA}"; then
5286 AS_ECHO([" Environment variable EMACSDATA set to: $EMACSDATA"])
5288 if test -n "${EMACSDOC}"; then
5289 AS_ECHO([" Environment variable EMACSDOC set to: $EMACSDOC"])
5294 if test "$HAVE_NS" = "yes"; then
5296 AS_ECHO(["You must run \"${MAKE-make} install\" in order to test the built application.
5297 The installed application will go to nextstep/Emacs.app and can be
5298 run or moved from there."])
5299 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5300 echo "The application will be fully self-contained."
5302 AS_ECHO(["The lisp resources for the application will be installed under ${prefix}.
5303 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5304 to run if these resources are not installed."])
5309 if test "${opsys}" = "cygwin"; then
5311 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5317 # Remove any trailing slashes in these variables.
5319 */) prefix=`AS_DIRNAME(["$prefix."])`;;
5321 case $exec_prefix in
5322 */) exec_prefix=`AS_DIRNAME(["$exec_prefix."])`;;
5325 if test "$HAVE_NS" = "yes"; then
5326 if test "$NS_IMPL_GNUSTEP" = yes; then
5327 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5328 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5329 ns_check_file=Resources/Info-gnustep.plist
5331 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5332 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5333 ns_check_file=Contents/Info.plist
5335 AC_SUBST(ns_check_file)
5338 dnl config.status treats $srcdir specially, so I think this is ok...
5339 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5341 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5342 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5343 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5344 dnl (else you get "no 'Makefile.am' found for any configure output").
5345 dnl This will work, but you get a config.status that is not quite right
5346 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5347 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5348 dnl it seems better to just live with the duplication.
5349 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5351 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5352 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5353 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5354 leim/Makefile nextstep/Makefile nt/Makefile])
5356 dnl test/ is not present in release tarfiles.
5357 opt_makefile=test/Makefile
5359 if test -f "$srcdir/$opt_makefile.in"; then
5360 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5361 dnl Again, it's best not to use a variable. Though you can add
5362 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5363 AC_CONFIG_FILES([test/Makefile])
5367 dnl The admin/ directory used to be excluded from tarfiles.
5368 if test -d $srcdir/admin; then
5369 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/charsets/Makefile admin/unidata/Makefile admin/grammars/Makefile"
5370 AC_CONFIG_FILES([admin/charsets/Makefile])
5371 AC_CONFIG_FILES([admin/unidata/Makefile])
5372 AC_CONFIG_FILES([admin/grammars/Makefile])
5376 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5378 AC_SUBST(SUBDIR_MAKEFILES_IN)
5380 dnl You might wonder (I did) why epaths.h is generated by running make,
5381 dnl rather than just letting configure generate it from epaths.in.
5382 dnl One reason is that the various paths are not fully expanded (see above);
5383 dnl eg gamedir=${prefix}/var/games/emacs.
5384 dnl Secondly, the GNU Coding standards require that one should be able
5385 dnl to run 'make prefix=/some/where/else' and override the values set
5386 dnl by configure. This also explains the 'move-if-change' test and
5387 dnl the use of force in the 'epaths-force' rule in Makefile.in.
5388 AC_CONFIG_COMMANDS([src/epaths.h], [
5389 if test "${opsys}" = "mingw32"; then
5390 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5392 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5393 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5394 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5396 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5397 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5399 AC_CONFIG_COMMANDS([src/.gdbinit], [
5400 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5401 AS_ECHO(["source $ac_abs_top_srcdir/src/.gdbinit"]) > src/.gdbinit
5405 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5406 dnl See comments for etc-refcards-emacsver.tex.
5407 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5408 dnl it is not quite the same. But we are generating in $srcdir.
5409 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5410 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5411 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5414 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5415 dnl then a directory etc/refcards is created in the build directory,
5416 dnl which is probably harmless, but confusing (in out-of-tree builds).
5417 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5418 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5419 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5420 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5421 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5426 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])