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, 26.0.50, bug-gnu-emacs@gnu.org)
28 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
29 dnl and then quoted again for a C string. Separate options with spaces.
30 dnl Add some environment variables, if they were passed via the environment
31 dnl rather than on the command-line.
34 dnl This is the documented way to record the args passed to configure,
35 dnl rather than $ac_configure_args.
36 for opt in "$@" CFLAGS CPPFLAGS LDFLAGS; do
38 -n | --no-create | --no-recursion)
40 CFLAGS | CPPFLAGS | LDFLAGS)
41 eval 'test "${'$opt'+set}" = set' || continue
43 *" $opt="*) continue ;;
45 eval opt=$opt=\$$opt ;;
48 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
50 *[["$emacs_shell_specials"]]*)
53 emacs_quote_apostrophes="s/'/'\\\\''/g"
54 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
59 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
60 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
63 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
67 AC_CONFIG_HEADERS(src/config.h:src/config.in)
68 AC_CONFIG_SRCDIR(src/lisp.h)
69 AC_CONFIG_AUX_DIR(build-aux)
70 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
71 dnl With older versions this is a no-op.
72 AC_CONFIG_MACRO_DIR(m4)
75 AC_CHECK_PROGS(XCRUN, [xcrun])
76 if test -n "$XCRUN"; then
77 if test -z "$MAKE"; then
78 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
79 dnl the usual MAKE variable that 'make' itself uses.
80 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
81 if test -z "$MAKE_PROG"; then
84 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
89 dnl GNU Make is required, so don't test for its individual features.
90 am_cv_make_support_nested_variables=yes
91 AC_DEFUN([AC_PROG_MAKE_SET],
93 AC_SUBST([SET_MAKE])])
95 dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
96 [emacs_check_gnu_make ()
98 emacs_makeout=`($1 --version) 2>/dev/null` &&
99 case $emacs_makeout in
100 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
101 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
102 ac_path_MAKE_found=:;;
105 AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
106 [ac_path_MAKE_found=false
107 if test -n "$MAKE"; then
108 emacs_check_gnu_make "$MAKE"
109 ac_cv_path_MAKE=$MAKE
111 emacs_tried_make=false
112 emacs_tried_gmake=false
113 emacs_tried_gnumake=false
114 AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
115 [[emacs_check_gnu_make "$ac_path_MAKE"
116 if $ac_path_MAKE_found; then
117 # Use the fully-qualified program name only if the basename
118 # would not resolve to it.
119 if eval \$emacs_tried_$ac_prog; then
120 ac_cv_path_MAKE=$ac_path_MAKE
122 ac_cv_path_MAKE=$ac_prog
125 eval emacs_tried_$ac_prog=:]])
127 $ac_path_MAKE_found || {
128 AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
129 If you have it installed under another name, configure with 'MAKE=...'.
130 For example, run '$0 MAKE=gnu-make'.]])
132 MAKE=$ac_cv_path_MAKE
135 dnl Fairly arbitrary, older versions might work too.
136 AM_INIT_AUTOMAKE(1.11)
138 dnl Canonicalize the configuration name.
144 if test -z "$host_alias"; then
146 # No --host argument was given to 'configure'; therefore $host
147 # was set to a default value based on the build platform. But
148 # this default value may be wrong if we are building from a
149 # 64-bit MSYS[2] pre-configured to build 32-bit MinGW programs.
150 # Therefore, we'll try to get the right host platform from the
153 AC_MSG_CHECKING([the compiler's target])
154 if test -z "$CC"; then
159 cc_target=`$cc -v 2>&1 | sed -n 's/Target: //p'`
163 "") AC_MSG_ERROR([Impossible to obtain $cc compiler target.
164 Please explicitly provide --host.])
166 *) AC_MSG_WARN([Compiler reported non-standard target.
167 Defaulting to $host.])
170 AC_MSG_RESULT([$host])
173 . $srcdir/nt/mingw-cfg.site
177 # srcdir is an absolute path. In this case, force the format
178 # "/c/foo/bar", to simplify later conversions to native Windows
179 # format ("c:/foo/bar").
180 srcdir=`cd "${srcdir}" && pwd -W`
181 # 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612).
182 eval 'srcdir="/${srcdir:0:1}${srcdir:2}"'
188 configuration=${host_alias-${build_alias-$host}}
190 dnl Support for --program-prefix, --program-suffix and
191 dnl --program-transform-name options
194 dnl It is important that variables on the RHS not be expanded here,
195 dnl hence the single quotes. This is per the GNU coding standards, see
196 dnl (autoconf) Installation Directory Variables
197 dnl See also epaths.h below.
198 lispdir='${datadir}/emacs/${version}/lisp'
199 standardlisppath='${lispdir}'
200 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
201 '${datadir}/emacs/site-lisp'
202 lisppath='${locallisppath}:${standardlisppath}'
203 etcdir='${datadir}/emacs/${version}/etc'
204 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
205 etcdocdir='${datadir}/emacs/${version}/etc'
206 gamedir='${localstatedir}/games/emacs'
208 dnl Special option to disable the most of other options.
210 [AS_HELP_STRING([--without-all],
211 [omit almost all features and build
212 small executable with minimal dependencies])],
213 [with_features=$withval],
216 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
217 dnl Create a new --with option that defaults to being disabled.
218 dnl NAME is the base name of the option. The shell variable with_NAME
219 dnl will be set to either the user's value (if the option is
220 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
221 dnl option is not specified). Note that the shell variable name is
222 dnl constructed as autoconf does, by replacing non-alphanumeric
223 dnl characters with "_".
224 dnl HELP-STRING is the help text for the option.
225 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
226 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
227 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
230 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
231 dnl Create a new --with option that defaults to $with_features.
232 dnl NAME is the base name of the option. The shell variable with_NAME
233 dnl will be set either to 'no' (for a plain --without-NAME) or to
234 dnl 'yes' (if the option is not specified). Note that the shell
235 dnl variable name is constructed as autoconf does, by replacing
236 dnl non-alphanumeric characters with "_".
237 dnl HELP-STRING is the help text for the option.
238 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
239 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
240 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
243 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
244 if test "$with_pop" = yes; then
245 AC_DEFINE(MAIL_USE_POP)
247 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
249 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
250 if test "$with_kerberos" != no; then
253 AH_TEMPLATE(KERBEROS,
254 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
256 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
257 if test "${with_kerberos5}" != no; then
258 if test "${with_kerberos}" = no; then
262 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
265 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
266 dnl FIXME hesiod support may not be present, so it seems like an error
267 dnl to define, or at least use, this unconditionally.
268 if test "$with_hesiod" != no; then
269 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
272 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
273 if test "$with_mail_unlink" != no; then
274 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
277 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
278 [string giving default POP mail host])],
279 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
281 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
282 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
283 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
284 [ case "${withval}" in
285 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
286 *) AC_MSG_ERROR(['--with-sound=$withval' is invalid;
287 this option's value should be 'yes', 'no', 'alsa', 'oss', or 'bsd-ossaudio'.])
292 [with_sound=$with_features])
294 dnl FIXME currently it is not the last.
295 dnl This should be the last --with option, because --with-x is
296 dnl added later on when we find the file name of X, and it's best to
297 dnl keep them together visually.
298 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
299 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
300 [ case "${withval}" in
301 y | ye | yes ) val=gtk ;;
303 l | lu | luc | luci | lucid ) val=lucid ;;
304 a | at | ath | athe | athen | athena ) val=athena ;;
305 m | mo | mot | moti | motif ) val=motif ;;
306 g | gt | gtk ) val=gtk ;;
310 AC_MSG_ERROR(['--with-x-toolkit=$withval' is invalid;
311 this option's value should be 'yes', 'no', 'lucid', 'athena', 'motif', 'gtk',
312 'gtk2' or 'gtk3'. 'yes' and 'gtk' are synonyms.
313 'athena' and 'lucid' are synonyms.])
319 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit); allows buffer and string size up to 2GB on 32-bit hosts, at the cost of 10% to 30% slowdown of Lisp interpreter and larger memory footprint])
320 if test "$with_wide_int" = yes; then
321 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
324 dnl _ON results in a '--without' option in the --help output, so
325 dnl the help text should refer to "don't compile", etc.
326 with_xpm_set=${with_xpm+set}
327 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
328 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
329 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
330 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
331 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
332 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
333 OPTION_DEFAULT_ON([libsystemd],[don't compile with libsystemd support])
334 OPTION_DEFAULT_OFF([cairo],[compile with Cairo drawing (experimental)])
335 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
336 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
338 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
339 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
340 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
342 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
343 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
344 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
345 AC_ARG_WITH([ns],[AS_HELP_STRING([--with-ns],
346 [use Nextstep (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 # This causes too much noise in the MinGW build
971 if test $opsys = mingw32; then
972 nw="$nw -Wpointer-sign"
975 gl_MANYWARN_ALL_GCC([ws])
976 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
980 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
981 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
982 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
983 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
984 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
985 gl_WARN_ADD([-Wno-format-nonliteral])
987 # More things that clang is unduly picky about.
988 if test $emacs_cv_clang = yes; then
989 gl_WARN_ADD([-Wno-tautological-compare])
990 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
993 # This causes too much noise in the MinGW build
994 if test $opsys = mingw32; then
995 gl_WARN_ADD([-Wno-pointer-sign])
998 AC_DEFINE([GCC_LINT], [1], [Define to 1 if --enable-gcc-warnings.])
999 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
1000 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
1001 [/* Enable compile-time and run-time bounds-checking, and some warnings,
1002 without upsetting glibc 2.15+. */
1003 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
1004 && defined __OPTIMIZE__ && __OPTIMIZE__)
1005 # define _FORTIFY_SOURCE 2
1009 # We use a slightly smaller set of warning options for lib/.
1010 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
1012 nw="$nw -Wunused-macros"
1014 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1015 AC_SUBST([GNULIB_WARN_CFLAGS])
1025 AC_ARG_ENABLE(link-time-optimization,
1026 [AS_HELP_STRING([--enable-link-time-optimization],
1027 [build emacs with link-time optimization.
1028 This requires GCC 4.5.0 or later, or clang.
1029 (Note that clang support is experimental - see INSTALL.)
1030 It also makes Emacs harder to debug, and when we tried it
1031 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
1032 recommended for typical use.])],
1033 if test "${enableval}" != "no"; then
1035 if test $emacs_cv_clang = yes; then
1036 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
1037 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
1038 if test -x "$GOLD_PLUGIN"; then
1041 elif test x$GCC = xyes; then
1042 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
1043 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
1044 if test x$CPUS != x; then
1050 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1052 if test -z "$LTO"; then
1056 CFLAGS="$CFLAGS $LTO"
1057 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1058 [ac_lto_supported=yes], [ac_lto_supported=no])
1059 CFLAGS="$old_CFLAGS"
1061 AC_MSG_RESULT([$ac_lto_supported])
1062 if test "$ac_lto_supported" = "yes"; then
1063 CFLAGS="$CFLAGS $LTO"
1064 if test x$emacs_cv_clang = xyes; then
1065 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1066 # WARNING: 'ar --plugin ...' doesn't work without
1067 # command, so plugin name is appended to ARFLAGS.
1068 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1069 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1071 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1072 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1073 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1074 dnl dump core on Fedora 20, so play it safe for now.
1075 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1076 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1081 dnl Prefer silent make output. For verbose output, use
1082 dnl 'configure --disable-silent-rules' or 'make V=1' .
1083 AM_SILENT_RULES([yes])
1084 dnl Port to Automake 1.11.
1085 dnl This section can be removed once we assume Automake 1.14 or later.
1086 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1087 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1089 AM_SUBST_NOTMAKE([AM_V])
1090 AC_SUBST([AM_DEFAULT_V])
1091 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1092 AC_SUBST([AM_DEFAULT_VERBOSITY])
1094 dnl Some other nice autoconf tests.
1095 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1098 dnl if test "x$RANLIB" = x; then
1103 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1104 dnl can be made to directories. This is not relevant for our usage, and
1105 dnl excludes some cases that work fine for us. Eg MS Windows or files
1106 dnl hosted on AFS, both examples where simple links work, but links to
1107 dnl directories fail. We use a cut-down version instead.
1110 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1111 rm -f conf$$ conf$$.file
1113 LN_S_FILEONLY='cp -p'
1115 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1116 dnl random program in the current directory.
1117 if (echo >conf$$.file) 2>/dev/null; then
1118 if ln -s conf$$.file conf$$ 2>/dev/null; then
1119 if test "$opsys" = "mingw32"; then
1120 LN_S_FILEONLY='/bin/ln -s'
1122 LN_S_FILEONLY='ln -s'
1124 elif ln conf$$.file conf$$ 2>/dev/null; then
1125 if test "$opsys" = "mingw32"; then
1126 LN_S_FILEONLY=/bin/ln
1133 rm -f conf$$ conf$$.file
1135 if test "$LN_S_FILEONLY" = "ln -s"; then
1136 AC_MSG_RESULT([yes])
1138 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1141 AC_SUBST(LN_S_FILEONLY)
1144 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1145 dnl doesn't support links to directories, as in "ln file dir". But that
1146 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1147 dnl executables at "make install" time.
1148 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1149 dnl for more details.
1150 if test "$opsys" = "mingw32"; then
1154 dnl On some Debian versions, "install-info" prints irritating messages
1155 dnl "This is not dpkg install-info anymore, but GNU install-info"
1156 dnl if called via an absolute file name.
1157 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1158 dnl Sadly some people may have an old ginstall-info installed on
1159 dnl non-Debian systems, so we can't use this.
1160 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1161 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1163 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1164 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1165 dnl Don't use GZIP, which is used by gzip for additional parameters.
1166 AC_PATH_PROG(GZIP_PROG, gzip)
1168 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1169 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1173 if test $opsys = gnu-linux; then
1174 if test "${SETFATTR+set}" != set; then
1175 AC_CACHE_CHECK([for setfattr],
1176 [emacs_cv_prog_setfattr],
1178 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1179 emacs_cv_prog_setfattr=yes
1181 emacs_cv_prog_setfattr=no
1183 if test "$emacs_cv_prog_setfattr" = yes; then
1184 PAXCTL_notdumped='$(SETFATTR) -n user.pax.flags -v er'
1190 AC_SUBST([SETFATTR])
1193 case $opsys,$PAXCTL_notdumped in
1194 gnu-linux, | netbsd,)
1195 AC_PATH_PROG([PAXCTL], [paxctl], [],
1196 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1197 if test -n "$PAXCTL"; then
1198 if test "$opsys" = netbsd; then
1199 PAXCTL_dumped='$(PAXCTL) +a'
1200 PAXCTL_notdumped=$PAXCTL_dumped
1202 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1203 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1204 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then
1205 AC_MSG_RESULT([yes])
1210 if test -n "$PAXCTL"; then
1211 PAXCTL_dumped='$(PAXCTL) -zex'
1212 PAXCTL_notdumped='$(PAXCTL) -r'
1217 AC_SUBST([PAXCTL_dumped])
1218 AC_SUBST([PAXCTL_notdumped])
1220 ## Need makeinfo >= 4.7 (?) to build the manuals.
1221 if test "$MAKEINFO" != "no"; then
1222 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1225 case `($MAKEINFO --version) 2>/dev/null` in
1226 *' (GNU texinfo) '4.[[7-9]]* | \
1227 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1228 *' (GNU texinfo) '[[5-9]]* | \
1229 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1234 ## Makeinfo is unusual. For a released Emacs, the manuals are
1235 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1236 ## therefore in the category of "special tools" not normally required, which
1237 ## configure does not have to check for (eg autoconf itself).
1238 ## In a repository checkout on the other hand, the manuals are not included.
1239 ## So makeinfo is a requirement to build from the repository, and configure
1240 ## should test for it as it does for any other build requirement.
1241 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1242 ## with pre-built manuals, from a repository checkout.
1245 if test "$MAKEINFO" = "no"; then
1247 if test "x${with_makeinfo}" = "xno"; then
1249 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1250 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1251 source tree does not seem to have pre-built manuals in the 'info' directory.
1252 Either install a suitable version of makeinfo, or re-run configure
1253 with the '--without-makeinfo' option to build without the manuals.] )
1256 AC_SUBST(HAVE_MAKEINFO)
1258 if test $opsys = mingw32; then
1259 DOCMISC_W32=efaq-w32
1263 AC_SUBST(DOCMISC_W32)
1265 dnl Add our options to ac_link now, after it is set up.
1267 if test x$GCC = xyes; then
1268 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1269 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1271 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1272 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1275 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1276 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1277 dnl Treat GCC specially since it just gives a non-fatal 'unrecognized option'
1278 dnl if not built to support GNU ld.
1280 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1281 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1282 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1283 dnl Eg "make LDFLAGS=... all" could run into problems,
1284 dnl http://bugs.debian.org/684788
1285 dnl * unnecessary, since temacs is the only thing that actually needs it.
1286 dnl Indeed this is where it was originally, prior to:
1287 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1288 late_LDFLAGS="$LDFLAGS"
1289 if test x$GCC = xyes; then
1290 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1292 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1295 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1297 AC_MSG_CHECKING([for -znocombreloc])
1298 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1299 [AC_MSG_RESULT(yes)],
1300 LDFLAGS_NOCOMBRELOC=
1301 [AC_MSG_RESULT(no)])
1303 LDFLAGS="$late_LDFLAGS"
1305 AC_CACHE_CHECK([whether addresses are sanitized],
1306 [emacs_cv_sanitize_address],
1309 [[#ifndef __has_feature
1310 #define __has_feature(f) 0
1312 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1314 error "Addresses are not sanitized.";
1317 [emacs_cv_sanitize_address=yes],
1318 [emacs_cv_sanitize_address=no])])
1320 dnl The function dump-emacs will not be defined and temacs will do
1321 dnl (load "loadup") automatically unless told otherwise.
1322 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1324 nacl) CANNOT_DUMP=yes ;;
1327 if test "$CANNOT_DUMP" = "yes"; then
1328 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1329 elif test "$emacs_cv_sanitize_address" = yes; then
1330 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1333 AC_SUBST(CANNOT_DUMP)
1336 UNEXEC_OBJ=unexelf.o
1338 # MSDOS uses unexcoff.o
1340 UNEXEC_OBJ=unexaix.o
1346 UNEXEC_OBJ=unexmacosx.o
1349 UNEXEC_OBJ=unexhp9k800.o
1352 UNEXEC_OBJ=unexw32.o
1355 # Use the Solaris dldump() function, called from unexsol.c, to dump
1356 # emacs, instead of the generic ELF dump code found in unexelf.c.
1357 # The resulting binary has a complete symbol table, and is better
1358 # for debugging and other observability tools (debuggers, pstack, etc).
1360 # If you encounter a problem using dldump(), please consider sending
1361 # a message to the OpenSolaris tools-linking mailing list:
1362 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1364 # It is likely that dldump() works with older Solaris too, but this has
1365 # not been tested, so for now this change is for Solaris 10 or newer.
1366 UNEXEC_OBJ=unexsol.o
1373 ## Let 'ld' find image libs and similar things in /usr/local/lib.
1374 ## The system compiler, GCC, has apparently been modified to not
1375 ## look there, contrary to what a stock GCC would do.
1376 ### It's not our place to do this. See bug#10313#17.
1377 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1382 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1383 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1387 ### It's not our place to do this. See bug#10313#17.
1388 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1393 ## Han Boetes <han@boetes.org> says this is necessary,
1394 ## otherwise Emacs dumps core on elf systems.
1395 LD_SWITCH_SYSTEM="-Z"
1398 AC_SUBST(LD_SWITCH_SYSTEM)
1400 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1402 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1403 ## which has not been defined yet. When this was handled with cpp,
1404 ## it was expanded to null when configure sourced the s/*.h file.
1405 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1406 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1407 ## (or somesuch), but because it is supposed to go at the _front_
1408 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1409 ## Compare with the gnu-linux case below, which added to the end
1410 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1411 ## LD_SWITCH_SYSTEM_TEMACS.
1414 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1421 AC_CHECK_DECL([__ELF__])
1422 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1423 ## With ELF, make sure that all common symbols get allocated to in the
1424 ## data section. Otherwise, the dump of temacs may miss variables in
1425 ## the shared library that have been initialized. For example, with
1426 ## GNU libc, __malloc_initialized would normally be resolved to the
1427 ## shared library's .bss section, which is fatal.
1428 if test "x$GCC" = "xyes"; then
1429 C_SWITCH_MACHINE="-fno-common"
1431 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1434 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1435 dnl albeit under the mistaken assumption that said file
1436 dnl was no longer used.
1437 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1441 AC_SUBST(C_SWITCH_MACHINE)
1443 AC_SUBST(UNEXEC_OBJ)
1446 ## Some programs in src produce warnings saying certain subprograms
1447 ## are too complex and need a MAXMEM value greater than 2000 for
1448 ## additional optimization. --nils@exp-math.uni-essen.de
1449 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1450 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1451 if test "$opsys" = "mingw32"; then
1452 case "$canonical" in
1453 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1454 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1457 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1458 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1459 AC_SUBST(C_SWITCH_SYSTEM)
1464 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1465 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1467 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1469 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1471 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1473 ## Motif needs -lgen.
1474 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1477 AC_SUBST(LIBS_SYSTEM)
1479 ### Make sure subsequent tests use flags consistent with the build flags.
1481 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1482 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1484 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1487 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1488 AC_DEFUN([AC_TYPE_SIZE_T])
1489 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1490 AC_DEFUN([AC_TYPE_UID_T])
1492 # sqrt and other floating-point functions such as fmod and frexp
1493 # are found in -lm on many systems.
1495 AC_SEARCH_LIBS([sqrt], [m])
1496 if test "X$LIBS" = "X$OLD_LIBS"; then
1499 LIB_MATH=$ac_cv_search_sqrt
1503 dnl Current possibilities handled by sed (aix4-2 -> aix,
1504 dnl gnu-linux -> gnu/linux, etc.):
1505 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux.
1506 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1507 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1514 ## Adding -lm confuses the dynamic linker, so omit it.
1517 freebsd | dragonfly )
1518 SYSTEM_TYPE=berkeley-unix
1520 gnu-linux | gnu-kfreebsd )
1522 hpux10-20 | hpux11 )
1526 SYSTEM_TYPE=windows-nt
1528 dnl NB this may be adjusted below.
1530 SYSTEM_TYPE=berkeley-unix
1534 SYSTEM_TYPE=usg-unix-v
1540 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1541 [The type of system you are compiling for; sets 'system-type'.])
1544 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1545 pre_PKG_CONFIG_LIBS=$LIBS
1547 PKG_PROG_PKG_CONFIG(0.9.0)
1549 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1550 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1551 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1552 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1553 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1554 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1556 AC_DEFUN([EMACS_CHECK_MODULES],
1557 [PKG_CHECK_MODULES([$1], [$2],
1558 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1559 m4_default([$3], [HAVE_$1=yes])],
1560 [m4_default([$4], [HAVE_$1=no])])])
1563 if test "${with_sound}" != "no"; then
1564 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1565 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1566 have_sound_header=yes, [], [
1568 #define WIN32_LEAN_AND_MEAN
1569 #include <windows.h>
1572 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1573 AC_MSG_ERROR([OSS sound support requested but not found.])
1575 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1576 # Emulation library used on NetBSD.
1577 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1578 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1579 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1580 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1581 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1585 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1587 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1588 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1589 if test $HAVE_ALSA = yes; then
1590 SAVE_CFLAGS="$CFLAGS"
1592 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1593 LIBS="$ALSA_LIBS $LIBS"
1594 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1595 emacs_alsa_normal=yes,
1596 emacs_alsa_normal=no)
1597 if test "$emacs_alsa_normal" != yes; then
1598 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1599 [[snd_lib_error_set_handler (0);]])],
1600 emacs_alsa_subdir=yes,
1601 emacs_alsa_subdir=no)
1602 if test "$emacs_alsa_subdir" != yes; then
1603 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1605 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1608 CFLAGS="$SAVE_CFLAGS"
1610 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1611 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1612 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1613 elif test "${with_sound}" = "alsa"; then
1614 AC_MSG_ERROR([ALSA sound support requested but not found.])
1616 fi dnl with_sound = alsa|yes
1618 dnl Define HAVE_SOUND if we have sound support. We know it works and
1619 dnl compiles only on the specified platforms. For others, it
1620 dnl probably doesn't make sense to try.
1621 dnl FIXME So surely we should bypass this whole section if not using
1622 dnl one of these platforms?
1623 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1625 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1626 dnl Adjust the --with-sound help text if you change this.
1627 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1628 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1634 AC_SUBST(CFLAGS_SOUND)
1637 dnl checks for header files
1638 AC_CHECK_HEADERS_ONCE(
1645 sys/utsname.h pwd.h utmp.h util.h)
1647 AC_CACHE_CHECK([for ADDR_NO_RANDOMIZE],
1648 [emacs_cv_personality_addr_no_randomize],
1650 [AC_LANG_PROGRAM([[#include <sys/personality.h>]],
1651 [[personality (personality (0xffffffff)
1652 | ADDR_NO_RANDOMIZE)]])],
1653 [emacs_cv_personality_addr_no_randomize=yes],
1654 [emacs_cv_personality_addr_no_randomize=no])])
1655 if test $emacs_cv_personality_addr_no_randomize = yes; then
1656 AC_DEFINE([HAVE_PERSONALITY_ADDR_NO_RANDOMIZE], [1],
1657 [Define to 1 if personality flag ADDR_NO_RANDOMIZE exists.])
1660 # Note that Solaris has sys/sysinfo.h which defines struct
1661 # sysinfo as well. To make sure that we're using GNU/Linux
1662 # sysinfo, we explicitly set one of its fields.
1663 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1664 AC_MSG_CHECKING([if Linux sysinfo may be used])
1665 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1666 [[struct sysinfo si;
1669 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1670 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1671 if test $emacs_cv_linux_sysinfo = yes; then
1672 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1673 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1674 [[struct sysinfo si; return si.mem_unit]])],
1675 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1676 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1680 dnl On Solaris 8 there's a compilation warning for term.h because
1681 dnl it doesn't define 'bool'.
1682 AC_CHECK_HEADERS(term.h, , , -)
1684 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1686 if test $ac_cv_have_decl_sys_siglist != yes; then
1687 # For Tru64, at least:
1688 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1693 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1694 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1695 #if HAVE_SYS_SOCKET_H
1696 #include <sys/socket.h>
1698 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1699 #if HAVE_SYS_SOCKET_H
1700 #include <sys/socket.h>
1702 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1703 #if HAVE_SYS_SOCKET_H
1704 #include <sys/socket.h>
1707 dnl checks for structure members
1708 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1709 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1710 struct ifreq.ifr_addr,
1711 struct ifreq.ifr_addr.sa_len], , ,
1712 [AC_INCLUDES_DEFAULT
1713 #if HAVE_SYS_SOCKET_H
1714 #include <sys/socket.h>
1720 dnl Check for endianness.
1721 dnl AC_C_BIGENDIAN is done by gnulib.
1723 dnl check for Make feature
1726 dnl check if we have GCC and autodepend is on.
1727 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1728 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1729 SAVE_CFLAGS="$CFLAGS"
1730 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1731 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1732 CFLAGS="$SAVE_CFLAGS"
1733 test -f deps.d || ac_enable_autodepend=no
1735 AC_MSG_RESULT([$ac_enable_autodepend])
1736 if test $ac_enable_autodepend = yes; then
1740 AC_SUBST(AUTO_DEPEND)
1742 dnl checks for operating system services
1743 AC_SYS_LONG_FILE_NAMES
1745 #### Choose a window system.
1747 ## We leave window_system equal to none if
1748 ## we end up building without one. Any new window system should
1749 ## set window_system to an appropriate value and add objects to
1750 ## window-system-specific substs.
1754 if test "$no_x" != yes; then
1758 LD_SWITCH_X_SITE_RPATH=
1759 if test "${x_libraries}" != NONE; then
1760 if test -n "${x_libraries}"; then
1761 LD_SWITCH_X_SITE=-L`AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -L/g'`
1762 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`
1763 AS_ECHO(["$x_libraries"]) | sed -e 's/:/ -Wl,-rpath,/g'
1766 x_default_search_path=""
1767 x_search_path=${x_libraries}
1768 if test -z "${x_search_path}"; then
1769 x_search_path=/usr/lib
1771 for x_library in `AS_ECHO(["$x_search_path:"]) | \
1772 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1774 ${x_library}/X11/%L/%T/%N%C%S:\
1775 ${x_library}/X11/%l/%T/%N%C%S:\
1776 ${x_library}/X11/%T/%N%C%S:\
1777 ${x_library}/X11/%L/%T/%N%S:\
1778 ${x_library}/X11/%l/%T/%N%S:\
1779 ${x_library}/X11/%T/%N%S"
1780 if test x"${x_default_search_path}" = x; then
1781 x_default_search_path=${x_search_path}
1783 x_default_search_path="${x_search_path}:${x_default_search_path}"
1787 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1789 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1790 C_SWITCH_X_SITE=$isystem`AS_ECHO(["$x_includes"]) | sed -e "s/:/ $isystem/g"`
1793 if test x"${x_includes}" = x; then
1794 bitmapdir=/usr/include/X11/bitmaps
1796 # accumulate include directories that have X11 bitmap subdirectories
1798 for bmd in `AS_ECHO(["$x_includes"]) | sed -e 's/:/ /g'`; do
1799 if test -d "${bmd}/X11/bitmaps"; then
1800 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1802 if test -d "${bmd}/bitmaps"; then
1803 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1806 bitmapdir=${bmd_acc#:}
1809 test "${with_ns}" = maybe && test "${opsys}" != darwin && with_ns=no
1811 NS_GNUSTEP_CONFIG=no
1814 tmp_CPPFLAGS="$CPPFLAGS"
1815 tmp_CFLAGS="$CFLAGS"
1816 CPPFLAGS="$CPPFLAGS -x objective-c"
1817 CFLAGS="$CFLAGS -x objective-c"
1820 if test "${with_ns}" != no; then
1821 if test "${opsys}" = darwin; then
1823 ns_appdir=`pwd`/nextstep/Emacs.app
1824 ns_appbindir=${ns_appdir}/Contents/MacOS
1825 ns_appresdir=${ns_appdir}/Contents/Resources
1826 ns_appsrc=Cocoa/Emacs.base
1827 ns_fontfile=macfont.o
1828 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1830 NS_GNUSTEP_CONFIG=yes
1831 GNU_OBJC_CFLAGS=$flags
1832 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1833 elif test -f $GNUSTEP_CONFIG_FILE; then
1835 dnl FIXME sourcing this several times in subshells seems inefficient.
1836 GNUSTEP_SYSTEM_HEADERS=$(
1837 . $GNUSTEP_CONFIG_FILE
1838 AS_ECHO(["$GNUSTEP_SYSTEM_HEADERS"])
1840 GNUSTEP_SYSTEM_LIBRARIES=$(
1841 . $GNUSTEP_CONFIG_FILE
1842 AS_ECHO(["$GNUSTEP_SYSTEM_LIBRARIES"])
1844 dnl I seemed to need these as well with GNUstep-startup 0.25.
1845 GNUSTEP_LOCAL_HEADERS=$(
1846 . $GNUSTEP_CONFIG_FILE
1847 AS_ECHO(["$GNUSTEP_LOCAL_HEADERS"])
1849 GNUSTEP_LOCAL_LIBRARIES=$(
1850 . $GNUSTEP_CONFIG_FILE
1851 AS_ECHO(["$GNUSTEP_LOCAL_LIBRARIES"])
1853 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1854 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1855 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1856 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1857 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1858 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1859 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1860 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1861 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1862 dnl If they had chosen to either define it or not, we could have
1863 dnl just used AC_CHECK_DECL here.
1864 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1865 emacs_cv_objc_exceptions,
1866 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1867 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1871 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1872 if test $emacs_cv_objc_exceptions = yes; then
1873 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1874 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1875 [Define if GNUstep uses ObjC exceptions.])
1876 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1879 if test $NS_IMPL_GNUSTEP = yes; then
1880 ns_appdir=`pwd`/nextstep/Emacs.app
1881 ns_appbindir=${ns_appdir}
1882 ns_appresdir=${ns_appdir}/Resources
1883 ns_appsrc=GNUstep/Emacs.base
1884 ns_fontfile=nsfont.o
1887 dnl This is only used while we test the NS headers, it gets reset below.
1888 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1889 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1891 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1892 [AC_MSG_ERROR([The include files (AppKit/AppKit.h etc) that
1893 are required for a Nextstep build are missing or cannot be compiled.
1894 Either fix this, or re-configure with the option '--without-ns'.])])
1897 if test "${NS_IMPL_COCOA}" = "yes"; then
1898 AC_MSG_CHECKING([for OSX 10.6 or newer])
1899 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1901 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1902 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1905 error "OSX 10.6 or newer required";
1909 ns_osx_have_106=yes,
1911 AC_MSG_RESULT([$ns_osx_have_106])
1913 if test $ns_osx_have_106 = no; then
1914 AC_MSG_ERROR([OSX 10.6 or newer is required]);
1919 AC_SUBST(LIBS_GNUSTEP)
1921 INSTALL_ARCH_INDEP_EXTRA=install-etc
1922 ns_self_contained=no
1925 if test "${HAVE_NS}" = yes; then
1926 if test "$with_toolkit_scroll_bars" = "no"; then
1927 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1930 window_system=nextstep
1931 # set up packaging dirs
1932 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1933 ns_self_contained=yes
1934 prefix=${ns_appresdir}
1935 exec_prefix=${ns_appbindir}
1936 dnl This one isn't really used, only archlibdir is.
1937 libexecdir="\${ns_appbindir}/libexec"
1938 archlibdir="\${ns_appbindir}/libexec"
1939 etcdocdir="\${ns_appresdir}/etc"
1940 etcdir="\${ns_appresdir}/etc"
1941 dnl FIXME maybe set datarootdir instead.
1942 dnl That would also get applications, icons, man.
1943 infodir="\${ns_appresdir}/info"
1944 mandir="\${ns_appresdir}/man"
1945 lispdir="\${ns_appresdir}/lisp"
1946 test "$locallisppathset" = no && locallisppath=""
1947 INSTALL_ARCH_INDEP_EXTRA=
1950 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1952 CFLAGS="$tmp_CFLAGS"
1953 CPPFLAGS="$tmp_CPPFLAGS"
1954 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1955 AC_SUBST(ns_self_contained)
1957 AC_SUBST(NS_OBJC_OBJ)
1968 if test "${with_w32}" != no; then
1971 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1972 [AC_MSG_ERROR(['--with-w32' was specified, but windows.h
1973 cannot be found.])])
1976 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1979 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1984 if test "${opsys}" = "mingw32"; then
1985 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1986 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1987 #include <windows.h>
1988 #include <usp10.h>]],
1989 [[PIMAGE_NT_HEADERS pHeader;
1990 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1991 [emacs_cv_w32api=yes
1994 AC_MSG_RESULT($emacs_cv_w32api)
1995 if test "${emacs_cv_w32api}" = "no"; then
1996 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
2007 if test "${HAVE_W32}" = "yes"; then
2008 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
2009 if test "$with_toolkit_scroll_bars" = "no"; then
2010 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
2012 AC_CHECK_TOOL(WINDRES, [windres],
2013 [AC_MSG_ERROR([No resource compiler found.])])
2014 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
2015 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
2016 EMACSRES="emacs.res"
2017 case "$canonical" in
2018 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
2019 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
2021 dnl Construct something of the form "24,4,0,0" with 4 components.
2022 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
2024 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
2025 AC_SUBST(comma_version)
2026 AC_SUBST(comma_space_version)
2027 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
2028 if test "${opsys}" = "cygwin"; then
2029 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
2030 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
2031 # Tell the linker that emacs.res is an object (which we compile from
2032 # the rc file), not a linker script.
2033 W32_RES_LINK="-Wl,emacs.res"
2035 UPDATE_MANIFEST=update-game-score.exe.manifest
2036 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
2037 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
2038 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
2039 W32_RES_LINK="\$(EMACSRES)"
2040 CLIENTRES="emacsclient.res"
2041 CLIENTW="emacsclientw\$(EXEEXT)"
2042 FIRSTFILE_OBJ=firstfile.o
2045 LIBS_ECLIENT="-lcomctl32"
2046 LIB_WSOCK32="-lwsock32"
2047 NTLIB="ntlib.$ac_objext"
2048 XARGS_LIMIT="-s 10000"
2054 AC_SUBST(EMACS_MANIFEST)
2055 AC_SUBST(UPDATE_MANIFEST)
2058 AC_SUBST(W32_RES_LINK)
2059 AC_SUBST(FIRSTFILE_OBJ)
2062 AC_SUBST(LIBS_ECLIENT)
2063 AC_SUBST(LIB_WSOCK32)
2065 AC_SUBST(XARGS_LIMIT)
2067 if test "${HAVE_W32}" = "yes"; then
2072 ## $window_system is now set to the window system we will
2080 case "${window_system}" in
2085 case "${with_x_toolkit}" in
2086 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2087 motif ) USE_X_TOOLKIT=MOTIF ;;
2089 term_header=gtkutil.h
2090 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2091 dnl USE_X_TOOLKIT is set.
2092 USE_X_TOOLKIT=none ;;
2093 gtk2 ) with_gtk2=yes
2094 term_header=gtkutil.h
2095 USE_X_TOOLKIT=none ;;
2096 gtk3 ) with_gtk3=yes
2097 term_header=gtkutil.h
2098 USE_X_TOOLKIT=none ;;
2099 no ) USE_X_TOOLKIT=none ;;
2100 dnl If user did not say whether to use a toolkit, make this decision later:
2101 dnl use the toolkit if we have gtk, or X11R5 or newer.
2102 * ) USE_X_TOOLKIT=maybe ;;
2106 term_header=nsterm.h
2109 term_header=w32term.h
2113 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2114 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2115 if test "$HAVE_XSERVER" = true ||
2116 test -n "$DISPLAY" ||
2118 for emacs_libX11 in /usr/lib/libX11.*; do break; done
2119 test "$emacs_libX11" != '/usr/lib/libX11.*'
2122 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2123 were found. You should install the relevant development files for X
2124 and for the toolkit you want, such as Gtk+ or Motif. Also make
2125 sure you have development files for image handling, i.e.
2126 tiff, gif, jpeg, png and xpm.
2127 If you are sure you want Emacs compiled without X window support, pass
2133 # Does the opsystem file prohibit the use of the GNU malloc?
2134 # Assume not, until told otherwise.
2138 [whether malloc is Doug Lea style],
2139 [emacs_cv_var_doug_lea_malloc],
2140 [emacs_cv_var_doug_lea_malloc=no
2141 dnl Hooks do not work with address sanitization.
2142 if test "$emacs_cv_sanitize_address" != yes; then
2145 [[#include <malloc.h>
2146 static void hook (void) {}]],
2147 [[malloc_set_state (malloc_get_state ());
2148 __after_morecore_hook = hook;
2149 __malloc_initialize_hook = hook;]])],
2150 [emacs_cv_var_doug_lea_malloc=yes])
2152 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2154 system_malloc=$emacs_cv_sanitize_address
2159 ## darwin ld insists on the use of malloc routines in the System framework.
2160 darwin | mingw32 | nacl | sol2-10) system_malloc=yes ;;
2161 cygwin) hybrid_malloc=yes;;
2164 if test "${system_malloc}" != yes && test "${doug_lea_malloc}" != yes \
2165 && test "${UNEXEC_OBJ}" = unexelf.o; then
2171 if test "${system_malloc}" = "yes"; then
2172 AC_DEFINE([SYSTEM_MALLOC], 1,
2173 [Define to 1 to use the system memory allocator, even if it is not
2177 (The GNU allocators don't work with this system configuration.)"
2179 elif test "$hybrid_malloc" = yes; then
2180 AC_DEFINE(HYBRID_MALLOC, 1,
2181 [Define to use gmalloc before dumping and the system malloc after.])
2184 GNU_MALLOC_reason=" (only before dumping)"
2185 GMALLOC_OBJ=gmalloc.o
2188 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2189 VMLIMIT_OBJ=vm-limit.o
2191 AC_CHECK_HEADERS([sys/vlimit.h])
2192 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2195 [[extern char data_start[]; char ch;]],
2196 [[return data_start < &ch;]])],
2197 [emacs_cv_data_start=yes],
2198 [emacs_cv_data_start=no])])
2199 if test $emacs_cv_data_start = yes; then
2200 AC_DEFINE([HAVE_DATA_START], 1,
2201 [Define to 1 if data_start is the address of the start
2202 of the main data segment.])
2205 AC_SUBST([HYBRID_MALLOC])
2206 AM_CONDITIONAL([HYBRID_MALLOC_LIB], [test -n "$HYBRID_MALLOC"])
2207 AC_SUBST(GMALLOC_OBJ)
2208 AC_SUBST(VMLIMIT_OBJ)
2210 if test "$doug_lea_malloc" = "yes" && test "$hybrid_malloc" != yes; then
2211 if test "$GNU_MALLOC" = yes ; then
2213 (Using Doug Lea's new malloc from the GNU C Library.)"
2215 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2216 [Define to 1 if the system memory allocator is Doug Lea style,
2217 with malloc hooks and malloc_set_state.])
2219 ## Use mmap directly for allocating larger buffers.
2220 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2221 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2222 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2224 mingw32|gnu*) REL_ALLOC=no ;;
2228 if test x"${REL_ALLOC}" = x; then
2229 REL_ALLOC=${GNU_MALLOC}
2232 use_mmap_for_buffers=no
2234 mingw32) use_mmap_for_buffers=yes ;;
2238 if test $use_mmap_for_buffers = yes; then
2239 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2243 LIBS="$LIBS_SYSTEM $LIBS"
2245 dnl FIXME replace main with a function we actually want from this library.
2246 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2248 dnl Check for the POSIX thread library.
2250 AC_CHECK_HEADERS_ONCE(pthread.h)
2251 if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then
2252 AC_CACHE_CHECK([for pthread library],
2253 [emacs_cv_pthread_lib],
2254 [emacs_cv_pthread_lib=no
2256 for emacs_pthread_lib in 'none needed' -lpthread; do
2257 case $emacs_pthread_lib in
2258 -*) LIBS="$OLD_LIBS $emacs_pthread_lib";;
2262 [[#include <pthread.h>
2264 sigset_t old_mask, new_mask;
2265 void noop (void) {}]],
2266 [[pthread_t th = pthread_self ();
2268 status += pthread_create (&th, 0, 0, 0);
2269 status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask);
2270 status += pthread_kill (th, 0);
2271 #if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \
2272 || defined DOUG_LEA_MALLOC)
2273 /* Test for pthread_atfork only if gmalloc uses it,
2274 as older-style hosts like MirBSD 10 lack it. */
2275 status += pthread_atfork (noop, noop, noop);
2278 [emacs_cv_pthread_lib=$emacs_pthread_lib])
2280 if test "$emacs_cv_pthread_lib" != no; then
2284 if test "$emacs_cv_pthread_lib" != no; then
2285 AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.])
2286 case $emacs_cv_pthread_lib in
2287 -*) LIB_PTHREAD=$emacs_cv_pthread_lib;;
2289 ac_cv_func_pthread_sigmask=yes
2290 # Some systems optimize for single-threaded programs by default, and
2291 # need special flags to disable these optimizations. For example, the
2292 # definition of 'errno' in <errno.h>.
2295 AC_DEFINE([_REENTRANT], 1,
2296 [Define to 1 if your system requires this in multithreaded code.]);;
2298 AC_DEFINE([_THREAD_SAFE], 1,
2299 [Define to 1 if your system requires this in multithreaded code.]);;
2303 AC_SUBST([LIB_PTHREAD])
2305 dnl Check for need for bigtoc support on IBM AIX
2309 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2311 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2312 *) gdb_cv_bigtoc=-bbigtoc ;;
2315 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2316 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2321 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2322 # is for the tests that follow. We set them back later on.
2324 REAL_CFLAGS="$CFLAGS"
2325 REAL_CPPFLAGS="$CPPFLAGS"
2328 if test "${HAVE_X11}" = "yes"; then
2329 DEFS="$C_SWITCH_X_SITE $DEFS"
2330 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2332 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2333 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2335 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2336 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2337 # but it's more convenient here to set LD_RUN_PATH since this
2338 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2339 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2340 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2344 if test "${opsys}" = "gnu-linux"; then
2345 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2346 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2347 [[XOpenDisplay ("foo");]])],
2348 [xgnu_linux_first_failure=no],
2349 [xgnu_linux_first_failure=yes])
2350 if test "${xgnu_linux_first_failure}" = "yes"; then
2351 OLD_CPPFLAGS="$CPPFLAGS"
2353 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2354 LIBS="$LIBS -b i486-linuxaout"
2355 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2356 [[XOpenDisplay ("foo");]])],
2357 [xgnu_linux_second_failure=no],
2358 [xgnu_linux_second_failure=yes])
2359 if test "${xgnu_linux_second_failure}" = "yes"; then
2360 # If we get the same failure with -b, there is no use adding -b.
2361 # So leave it out. This plays safe.
2364 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2365 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2368 CPPFLAGS=$OLD_CPPFLAGS
2375 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2376 # header files included from there.
2377 AC_MSG_CHECKING(for Xkb)
2378 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2379 #include <X11/XKBlib.h>]],
2380 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2381 emacs_xkb=yes, emacs_xkb=no)
2382 AC_MSG_RESULT($emacs_xkb)
2383 if test $emacs_xkb = yes; then
2384 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2387 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2388 XScreenNumberOfScreen)
2391 if test "${window_system}" = "x11"; then
2392 AC_MSG_CHECKING(X11 version 6)
2393 AC_CACHE_VAL(emacs_cv_x11_version_6,
2394 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2395 [[#if XlibSpecificationRelease < 6
2398 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2399 if test $emacs_cv_x11_version_6 = yes; then
2400 AC_MSG_RESULT(6 or newer)
2401 AC_DEFINE(HAVE_X11R6, 1,
2402 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2403 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2404 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2408 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2409 [Define if you have usable X11R6-style XIM support.])
2413 AC_MSG_RESULT(before 6)
2418 ### Use -lrsvg-2 if available, unless '--with-rsvg=no' is specified.
2420 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2421 if test "${with_rsvg}" != "no"; then
2422 RSVG_REQUIRED=2.11.0
2423 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2425 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2426 AC_SUBST(RSVG_CFLAGS)
2429 if test $HAVE_RSVG = yes; then
2430 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2431 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2432 # Windows loads librsvg dynamically
2433 if test "${opsys}" = "mingw32"; then
2441 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2442 if test "${with_imagemagick}" != "no"; then
2443 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2444 ## 6.8.2 makes Emacs crash; see Bug#13867.
2445 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2446 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2447 AC_SUBST(IMAGEMAGICK_CFLAGS)
2448 AC_SUBST(IMAGEMAGICK_LIBS)
2450 if test $HAVE_IMAGEMAGICK = yes; then
2451 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2454 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2455 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2456 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers MagickAutoOrientImage)
2463 AC_CHECK_LIB(anl, getaddrinfo_a, HAVE_GETADDRINFO_A=yes)
2464 if test "${HAVE_GETADDRINFO_A}" = "yes"; then
2465 AC_DEFINE(HAVE_GETADDRINFO_A, 1,
2466 [Define to 1 if you have getaddrinfo_a for asynchronous DNS resolution.])
2467 GETADDRINFO_A_LIBS="-lanl"
2468 AC_SUBST(GETADDRINFO_A_LIBS)
2473 gtk_term_header=$term_header
2476 if test "${opsys}" != "mingw32"; then
2477 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2480 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2482 dnl Checks for libraries.
2483 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2484 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2485 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2486 AC_MSG_ERROR($GTK_PKG_ERRORS)
2488 if test "$pkg_check_gtk" = "yes"; then
2489 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2490 GTK_OBJ=emacsgtkfixed.o
2491 gtk_term_header=gtkutil.h
2492 USE_GTK_TOOLKIT="GTK3"
2493 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2494 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2495 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2496 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2497 [Define to 1 to disable Glib deprecation warnings.])
2501 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2505 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2508 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2510 dnl Checks for libraries.
2511 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2512 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2513 if test "$pkg_check_gtk" = "no" &&
2514 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2516 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2518 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2525 if test x"$pkg_check_gtk" = xyes; then
2528 CFLAGS="$CFLAGS $GTK_CFLAGS"
2529 LIBS="$GTK_LIBS $LIBS"
2530 dnl Try to compile a simple GTK program.
2531 AC_MSG_CHECKING([whether GTK compiles])
2535 [[/* Check the Gtk and Glib APIs. */
2536 #include <gtk/gtk.h>
2537 #include <glib-object.h>
2539 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2543 GtkSettings *gs = 0;
2544 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2545 strict C prohibits this. Use gtk_main_iteration to test that the
2546 libraries are there. */
2547 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2548 0, 0, 0, G_CALLBACK (callback), 0))
2549 gtk_main_iteration ();
2552 AC_MSG_RESULT([$GTK_COMPILES])
2553 if test "${GTK_COMPILES}" != "yes"; then
2555 if test "$USE_X_TOOLKIT" != "maybe"; then
2556 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2559 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2561 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2562 GTK_OBJ="gtkutil.o $GTK_OBJ"
2563 term_header=$gtk_term_header
2565 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2566 closing open displays. This is no problem if you just use
2567 one display, but if you use more than one and close one of them
2569 See http://bugzilla.gnome.org/show_bug.cgi?id=85715]])
2577 if test "${HAVE_GTK}" = "yes"; then
2579 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2580 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2581 if test "$with_toolkit_scroll_bars" != no; then
2582 with_toolkit_scroll_bars=yes
2585 dnl Check if we have the old file selection dialog declared and
2586 dnl in the link library. In 2.x it may be in the library,
2587 dnl but not declared if deprecated featured has been selected out.
2588 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2589 HAVE_GTK_FILE_SELECTION=no
2590 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2591 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2592 #include <gtk/gtk.h>])
2593 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2594 AC_CHECK_FUNCS(gtk_file_selection_new)
2597 dnl Same as above for gtk_handle_box.
2598 HAVE_GTK_HANDLE_BOX=no
2599 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2600 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2601 #include <gtk/gtk.h>])
2602 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2603 AC_CHECK_FUNCS(gtk_handle_box_new)
2606 dnl Same as above for gtk_tearoff_menu_item.
2607 HAVE_GTK_TEAROFF_MENU_ITEM=no
2608 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2609 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2610 #include <gtk/gtk.h>])
2611 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2612 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2615 dnl Check for functions introduced in 2.14 and later.
2616 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2617 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2618 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2619 gtk_orientable_set_orientation \
2620 gtk_window_set_has_resize_grip)
2622 term_header=gtkutil.h
2626 dnl Enable xwidgets if GTK3 and WebKitGTK+ are available.
2629 if test "$with_xwidgets" != "no"; then
2630 test "$USE_GTK_TOOLKIT" = "GTK3" && test "$window_system" != "none" ||
2631 AC_MSG_ERROR([xwidgets requested but gtk3 not used.])
2633 WEBKIT_REQUIRED=2.12
2634 WEBKIT_MODULES="webkit2gtk-4.0 >= $WEBKIT_REQUIRED"
2635 EMACS_CHECK_MODULES([WEBKIT], [$WEBKIT_MODULES])
2636 HAVE_XWIDGETS=$HAVE_WEBKIT
2637 test $HAVE_XWIDGETS = yes ||
2638 AC_MSG_ERROR([xwidgets requested but WebKitGTK+ not found.])
2640 XWIDGETS_OBJ=xwidget.o
2641 AC_DEFINE([HAVE_XWIDGETS], 1, [Define to 1 if you have xwidgets support.])
2643 AC_SUBST(XWIDGETS_OBJ)
2648 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2649 dnl other platforms.
2652 if test "${with_dbus}" = "yes"; then
2653 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2654 if test "$HAVE_DBUS" = yes; then
2655 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2656 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2657 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2660 LIBS="$LIBS $DBUS_LIBS"
2661 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2662 dbus_type_is_valid \
2663 dbus_validate_bus_name \
2664 dbus_validate_path \
2665 dbus_validate_interface \
2666 dbus_validate_member)
2671 AC_SUBST(DBUS_CFLAGS)
2675 dnl GSettings has been tested under GNU/Linux only.
2677 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2678 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2679 if test "$HAVE_GSETTINGS" = "yes"; then
2681 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2683 LIBS="$LIBS $GSETTINGS_LIBS"
2684 AC_MSG_CHECKING([whether GSettings is in gio])
2687 [[/* Check that gsettings really is present. */
2688 #include <glib-object.h>
2689 #include <gio/gio.h>
2692 GSettings *settings;
2693 GVariant *val = g_settings_get_value (settings, "");
2695 [], HAVE_GSETTINGS=no)
2696 AC_MSG_RESULT([$HAVE_GSETTINGS])
2698 if test "$HAVE_GSETTINGS" = "yes"; then
2699 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2700 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2701 SETTINGS_LIBS="$GSETTINGS_LIBS"
2708 dnl GConf has been tested under GNU/Linux only.
2709 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2711 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2712 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2713 if test "$HAVE_GCONF" = yes; then
2714 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2715 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2716 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2717 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2721 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2722 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2723 if test "$HAVE_GOBJECT" = "yes"; then
2724 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2725 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2727 SAVE_CFLAGS="$CFLAGS"
2729 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2730 LIBS="$SETTINGS_LIBS $LIBS"
2731 CFLAGS="$SAVE_CFLAGS"
2734 AC_SUBST(SETTINGS_CFLAGS)
2735 AC_SUBST(SETTINGS_LIBS)
2738 dnl SELinux is available for GNU/Linux only.
2741 if test "${with_selinux}" = "yes"; then
2742 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2743 if test "$HAVE_LIBSELINUX" = yes; then
2744 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2745 LIBSELINUX_LIBS=-lselinux
2748 AC_SUBST(LIBSELINUX_LIBS)
2751 if test "${with_gnutls}" = "yes" ; then
2752 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.12.2],
2753 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2754 if test "${HAVE_GNUTLS}" = "yes"; then
2755 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2756 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2757 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2760 # Windows loads GnuTLS dynamically
2761 if test "${opsys}" = "mingw32"; then
2766 AC_SUBST(LIBGNUTLS_LIBS)
2767 AC_SUBST(LIBGNUTLS_CFLAGS)
2770 if test "${with_libsystemd}" = "yes" ; then
2771 dnl This code has been tested with libsystemd 222 and later.
2772 dnl FIXME: Find the earliest version number for which Emacs should work,
2773 dnl and change '222' to that number.
2774 EMACS_CHECK_MODULES([LIBSYSTEMD], [libsystemd >= 222],
2775 [HAVE_LIBSYSTEMD=yes], [HAVE_LIBSYSTEMD=no])
2776 if test "${HAVE_LIBSYSTEMD}" = "yes"; then
2777 AC_DEFINE(HAVE_LIBSYSTEMD, 1, [Define if using libsystemd.])
2781 AC_SUBST(LIBSYSTEMD_LIBS)
2782 AC_SUBST(LIBSYSTEMD_CFLAGS)
2787 dnl MS Windows native file monitor is available for mingw32 only.
2788 case $with_file_notification,$opsys in
2790 AC_MSG_ERROR(['--with-file-notification=w32' was specified, but
2791 this is only supported on MS-Windows native and MinGW32 builds.
2792 Consider using gfile instead.])
2794 w32,* | yes,mingw32)
2795 AC_CHECK_HEADER(windows.h)
2796 if test "$ac_cv_header_windows_h" = yes ; then
2797 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2798 NOTIFY_OBJ=w32notify.o
2799 NOTIFY_SUMMARY="yes (w32)"
2803 dnl inotify is available only on GNU/Linux.
2804 case $with_file_notification,$NOTIFY_OBJ in
2806 AC_CHECK_HEADER(sys/inotify.h)
2807 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2808 AC_CHECK_FUNC(inotify_init1)
2809 if test "$ac_cv_func_inotify_init1" = yes; then
2810 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2811 NOTIFY_OBJ=inotify.o
2812 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2817 dnl kqueue is available on BSD-like systems.
2818 case $with_file_notification,$NOTIFY_OBJ in
2820 EMACS_CHECK_MODULES([KQUEUE], [libkqueue])
2821 if test "$HAVE_KQUEUE" = "yes"; then
2822 AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
2823 CPPFLAGS="$CPPFLAGS -I/usr/include/kqueue"
2824 NOTIFY_CFLAGS=$KQUEUE_CFLAGS
2825 NOTIFY_LIBS=$KQUEUE_LIBS
2827 NOTIFY_SUMMARY="yes -lkqueue"
2829 AC_SEARCH_LIBS(kqueue, [])
2830 if test "$ac_cv_search_kqueue" != no; then
2831 AC_DEFINE(HAVE_KQUEUE, 1, [Define to 1 to use kqueue.])
2833 NOTIFY_SUMMARY="yes (kqueue)"
2838 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2839 dnl has been added in glib 2.24. It has been tested under
2841 case $with_file_notification,$NOTIFY_OBJ in
2843 if test "${HAVE_NS}" = yes; then
2844 AC_MSG_ERROR(['--with-file-notification=gfile' is not supported in NextStep builds.
2845 Consider kqueue instead.])
2847 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2848 if test "$HAVE_GFILENOTIFY" = "yes"; then
2849 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2850 NOTIFY_CFLAGS=$GFILENOTIFY_CFLAGS
2851 NOTIFY_LIBS=$GFILENOTIFY_LIBS
2852 NOTIFY_OBJ=gfilenotify.o
2853 NOTIFY_SUMMARY="yes -lgio (gfile)"
2858 case $with_file_notification,$NOTIFY_OBJ in
2859 yes,* | no,* | *,?*) ;;
2860 *) AC_MSG_ERROR([File notification '$with_file_notification' requested but requirements not found.]) ;;
2863 if test -n "$NOTIFY_OBJ"; then
2864 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2866 AC_SUBST(NOTIFY_CFLAGS)
2867 AC_SUBST(NOTIFY_LIBS)
2868 AC_SUBST(NOTIFY_OBJ)
2870 dnl Do not put whitespace before the #include statements below.
2871 dnl Older compilers (eg sunos4 cc) choke on it.
2874 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2875 if test "$with_xaw3d" != no; then
2876 AC_CACHE_VAL(emacs_cv_xaw3d,
2877 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2878 #include <X11/Intrinsic.h>
2879 #include <X11/Xaw3d/Simple.h>]],
2881 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2882 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2883 emacs_cv_xaw3d=no)])
2887 if test $emacs_cv_xaw3d = yes; then
2888 AC_MSG_CHECKING(for xaw3d)
2889 AC_MSG_RESULT([yes; using Lucid toolkit])
2893 AC_DEFINE(HAVE_XAW3D, 1,
2894 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2896 AC_MSG_CHECKING(for xaw3d)
2898 AC_MSG_CHECKING(for libXaw)
2899 AC_CACHE_VAL(emacs_cv_xaw,
2900 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2901 #include <X11/Intrinsic.h>
2902 #include <X11/Xaw/Simple.h>]],
2906 if test $emacs_cv_xaw = yes; then
2907 AC_MSG_RESULT([yes; using Lucid toolkit])
2910 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2911 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2913 AC_MSG_ERROR([No X toolkit could be found.
2914 If you are sure you want Emacs compiled without an X toolkit, pass
2916 to configure. Otherwise, install the development libraries for the toolkit
2917 that you want to use (e.g. Gtk+) and re-run configure.])
2922 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2926 if test "${USE_X_TOOLKIT}" != "none"; then
2927 AC_MSG_CHECKING(X11 toolkit version)
2928 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2929 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2930 [[#if XtSpecificationRelease < 6
2933 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2934 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2935 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2936 AC_MSG_RESULT(6 or newer)
2937 AC_DEFINE(HAVE_X11XTR6, 1,
2938 [Define to 1 if you have the X11R6 or newer version of Xt.])
2939 LIBXTR6="-lSM -lICE"
2941 ## Use libw.a along with X11R6 Xt.
2942 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2945 AC_MSG_RESULT(before 6)
2948 dnl If using toolkit, check whether libXmu.a exists.
2949 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2951 if test x$HAVE_X11XTR6 = xyes; then
2952 OTHERLIBS='-lXt -lSM -lICE'
2956 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2957 if test "X$LIBS" != "X$OLDLIBS"; then
2958 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2961 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2967 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2968 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2969 if test -d /usr/include/openmotif; then
2970 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2971 emacs_cv_openmotif=yes
2972 case "$canonical" in
2973 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2974 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2977 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2980 emacs_cv_openmotif=no
2982 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2983 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2984 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2987 Motif version prior to 2.1.
2989 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2990 if test $emacs_cv_motif_version_2_1 = yes; then
2991 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2992 if test x$emacs_cv_openmotif = xyes; then
2993 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2996 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2997 # We put this in CFLAGS temporarily to precede other -I options
2998 # that might be in CFLAGS temporarily.
2999 # We put this in CPPFLAGS where it precedes the other -I options.
3000 OLD_CPPFLAGS=$CPPFLAGS
3002 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
3003 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
3004 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
3006 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
3007 if test $emacs_cv_lesstif = yes; then
3008 # Make sure this -I option remains in CPPFLAGS after it is set
3009 # back to REAL_CPPFLAGS.
3010 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
3011 # have those other -I options anyway. Ultimately, having this
3012 # directory ultimately in CPPFLAGS will be enough.
3013 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
3014 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
3017 CPPFLAGS=$OLD_CPPFLAGS
3020 AC_CHECK_HEADER([Xm/BulletinB.h], [],
3021 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
3024 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
3025 dnl using Motif or Xaw3d is available, and unless
3026 dnl --with-toolkit-scroll-bars=no was specified.
3028 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
3029 [Define to 1 if we should use toolkit scroll bars.])dnl
3030 USE_TOOLKIT_SCROLL_BARS=no
3031 if test "${with_toolkit_scroll_bars}" != "no"; then
3032 if test "${USE_X_TOOLKIT}" != "none"; then
3033 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
3034 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3036 USE_TOOLKIT_SCROLL_BARS=yes
3037 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
3038 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3039 USE_TOOLKIT_SCROLL_BARS=yes
3041 elif test "${HAVE_GTK}" = "yes"; then
3042 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3043 USE_TOOLKIT_SCROLL_BARS=yes
3044 elif test "${HAVE_NS}" = "yes"; then
3045 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3046 USE_TOOLKIT_SCROLL_BARS=yes
3047 elif test "${HAVE_W32}" = "yes"; then
3048 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
3049 USE_TOOLKIT_SCROLL_BARS=yes
3053 dnl See if XIM is available.
3054 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3055 #include <X11/Xlib.h>
3056 #include <X11/Xresource.h>]],
3057 [[XIMProc callback;]])],
3059 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
3062 dnl '--with-xim' now controls only the initial value of use_xim at run time.
3064 if test "${with_xim}" != "no"; then
3065 AC_DEFINE(USE_XIM, 1,
3066 [Define to 1 if we should use XIM, if it is available.])
3070 if test "${HAVE_XIM}" != "no"; then
3072 if test "$GCC" = yes; then
3073 CFLAGS="$CFLAGS --pedantic-errors"
3075 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
3076 #include <X11/Xlib.h>
3077 #include <X11/Xresource.h>]],
3083 XPointer *client_data;
3085 /* If we're not using GCC, it's probably not XFree86, and this is
3086 probably right, but we can't use something like --pedantic-errors. */
3087 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
3088 char*, XIMProc, XPointer*);
3090 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
3092 [emacs_cv_arg6_star=yes])
3093 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
3094 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
3095 either XPointer or XPointer*.])dnl
3096 if test "$emacs_cv_arg6_star" = yes; then
3097 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
3099 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
3104 ### Start of font-backend (under any platform) section.
3105 # (nothing here yet -- this is a placeholder)
3106 ### End of font-backend (under any platform) section.
3108 ### Start of font-backend (under X11) section.
3109 if test "${HAVE_X11}" = "yes"; then
3110 ## Use -lXft if available, unless '--with-xft=no'.
3112 if test "x${with_x}" = "xno"; then
3116 if test "$with_xft" != no; then
3117 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
3118 with_xft=$HAVE_FONTCONFIG
3121 if test "x${with_xft}" != "xno"; then
3123 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
3124 ## Because xftfont.c uses XRenderQueryExtension, we also
3125 ## need to link to -lXrender.
3127 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
3128 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
3129 OLD_CPPFLAGS="$CPPFLAGS"
3130 OLD_CFLAGS="$CFLAGS"
3132 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3133 CFLAGS="$CFLAGS $XFT_CFLAGS"
3134 XFT_LIBS="-lXrender $XFT_LIBS"
3135 LIBS="$XFT_LIBS $LIBS"
3136 AC_CHECK_HEADER(X11/Xft/Xft.h,
3137 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3138 [[#include <X11/X.h>]])
3140 if test "${HAVE_XFT}" = "yes"; then
3141 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3143 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3144 fi # "${HAVE_XFT}" = "yes"
3145 CPPFLAGS=$OLD_CPPFLAGS
3148 fi # "$HAVE_XFT" != no
3149 fi # "x${with_xft}" != "xno"
3151 ## We used to allow building with FreeType and without Xft.
3152 ## However, the ftx font backend driver is not in good shape.
3153 if test "$HAVE_XFT" != "yes"; then
3154 dnl For the "Does Emacs use" message at the end.
3158 dnl Strict linkers fail with
3159 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3160 dnl if -lfreetype is not specified.
3161 dnl The following is needed to set FREETYPE_LIBS.
3162 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3164 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3168 if test "${HAVE_FREETYPE}" = "yes"; then
3169 AC_DEFINE(HAVE_FREETYPE, 1,
3170 [Define to 1 if using the freetype and fontconfig libraries.])
3171 if test "${with_libotf}" != "no"; then
3172 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3173 if test "$HAVE_LIBOTF" = "yes"; then
3174 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3175 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3176 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3177 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3178 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3179 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3180 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3184 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3185 dnl Does the new font backend require it, or can it work without it?
3189 if test "${HAVE_LIBOTF}" = yes; then
3190 if test "${with_m17n_flt}" != "no"; then
3191 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3192 if test "$HAVE_M17N_FLT" = "yes"; then
3193 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3204 ### End of font-backend (under X11) section.
3206 AC_SUBST(FREETYPE_CFLAGS)
3207 AC_SUBST(FREETYPE_LIBS)
3208 AC_SUBST(FONTCONFIG_CFLAGS)
3209 AC_SUBST(FONTCONFIG_LIBS)
3210 AC_SUBST(LIBOTF_CFLAGS)
3211 AC_SUBST(LIBOTF_LIBS)
3212 AC_SUBST(M17N_FLT_CFLAGS)
3213 AC_SUBST(M17N_FLT_LIBS)
3216 if test "${HAVE_X11}" = "yes"; then
3217 if test "${with_cairo}" != "no"; then
3218 CAIRO_REQUIRED=1.12.0
3219 CAIRO_MODULE="cairo >= $CAIRO_REQUIRED"
3220 EMACS_CHECK_MODULES(CAIRO, $CAIRO_MODULE)
3221 if test $HAVE_CAIRO = yes; then
3222 AC_DEFINE(USE_CAIRO, 1, [Define to 1 if using cairo.])
3224 AC_MSG_ERROR([cairo requested but not found.])
3227 CFLAGS="$CFLAGS $CAIRO_CFLAGS"
3228 LIBS="$LIBS $CAIRO_LIBS"
3229 AC_SUBST(CAIRO_CFLAGS)
3230 AC_SUBST(CAIRO_LIBS)
3234 if test "${HAVE_X11}" = "yes"; then
3235 AC_CHECK_HEADER(X11/Xlib-xcb.h,
3236 AC_CHECK_LIB(xcb, xcb_translate_coordinates, HAVE_XCB=yes))
3237 if test "${HAVE_XCB}" = "yes"; then
3238 AC_CHECK_LIB(X11-xcb, XGetXCBConnection, HAVE_X11_XCB=yes)
3239 if test "${HAVE_X11_XCB}" = "yes"; then
3240 AC_DEFINE(USE_XCB, 1,
3241 [Define to 1 if you have the XCB library and X11-XCB library for mixed
3242 X11/XCB programming.])
3243 XCB_LIBS="-lX11-xcb -lxcb"
3249 ### Use -lXpm if available, unless '--with-xpm=no'.
3250 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3251 ### The Cygwin-w32 build uses <noX/xpm.h> instead of <X11/xpm.h>, so
3252 ### we need to set LDFLAGS accordingly.
3255 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3256 if test "${with_xpm}" != "no"; then
3257 SAVE_LDFLAGS="$LDFLAGS"
3258 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3259 AC_CHECK_HEADER(noX/xpm.h,
3260 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3261 if test "${HAVE_XPM}" = "yes"; then
3262 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3263 AC_EGREP_CPP(no_return_alloc_pixels,
3264 [#include "noX/xpm.h"
3265 #ifndef XpmReturnAllocPixels
3266 no_return_alloc_pixels
3268 ], HAVE_XPM=no, HAVE_XPM=yes)
3270 if test "${HAVE_XPM}" = "yes"; then
3274 LDFLAGS="$SAVE_LDFLAGS"
3279 if test "${HAVE_XPM}" = "yes"; then
3280 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3285 if test "${HAVE_X11}" = "yes"; then
3286 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3287 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3289 if test "${with_xpm}" != "no"; then
3290 AC_CHECK_HEADER(X11/xpm.h,
3291 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3292 if test "${HAVE_XPM}" = "yes"; then
3293 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3294 AC_EGREP_CPP(no_return_alloc_pixels,
3295 [#include "X11/xpm.h"
3296 #ifndef XpmReturnAllocPixels
3297 no_return_alloc_pixels
3299 ], HAVE_XPM=no, HAVE_XPM=yes)
3301 if test "${HAVE_XPM}" = "yes"; then
3309 if test "${HAVE_XPM}" = "yes"; then
3310 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3312 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3313 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3318 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3319 ### slightly different requirements wrt image libraries (it doesn't
3320 ### use -lXpm because it loads the xpm shared library dynamically at
3322 if test "${opsys}" = "mingw32"; then
3323 if test "${with_xpm}" != "no"; then
3324 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3328 if test "${HAVE_XPM}" = "yes"; then
3329 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3335 ### Use -ljpeg if available, unless '--with-jpeg=no'.
3338 if test "${with_jpeg}" != "no"; then
3339 AC_CACHE_CHECK([for jpeglib 6b or later],
3342 for emacs_cv_jpeglib in yes -ljpeg no; do
3343 case $emacs_cv_jpeglib in
3346 *) LIBS="$LIBS $emacs_cv_jpeglib";;
3350 [[#undef HAVE_STDLIB_H /* Avoid config.h/jpeglib.h collision. */
3351 #include <stdio.h> /* jpeglib.h needs FILE and size_t. */
3352 #include <jpeglib.h>
3354 char verify[JPEG_LIB_VERSION < 62 ? -1 : 1];
3355 struct jpeg_decompress_struct cinfo;
3358 jpeg_create_decompress (&cinfo);
3359 WARNMS (&cinfo, JWRN_JPEG_EOF);
3360 jpeg_destroy_decompress (&cinfo);
3362 [emacs_link_ok=yes],
3365 test $emacs_link_ok = yes && break
3367 if test "$emacs_cv_jpeglib" != no; then
3369 AC_DEFINE([HAVE_JPEG], 1,
3370 [Define to 1 if you have the jpeg library (typically -ljpeg).])
3371 ### mingw32 doesn't use -ljpeg, since it loads the library
3372 ### dynamically when needed, and doesn't want a run-time
3373 ### dependency on the jpeglib DLL.
3374 test "$emacs_cv_jpeglib" != yes && test "${opsys}" != "mingw32" \
3375 && LIBJPEG=$emacs_cv_jpeglib
3382 if test "${with_zlib}" != "no"; then
3384 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3386 case $ac_cv_search_inflateEnd in
3387 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3390 if test "${HAVE_ZLIB}" = "yes"; then
3391 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3392 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3393 if test "${opsys}" = "mingw32"; then
3399 ### Dynamic modules support
3404 if test "${with_modules}" != "no"; then
3408 MODULES_SUFFIX=".so"
3412 MODULES_SUFFIX=".dll"
3416 MODULES_SUFFIX=".so"
3420 # BSD systems have dlopen in libc.
3421 AC_CHECK_FUNC([dlopen],
3422 [MODULES_SUFFIX=".so"
3427 if test "${HAVE_MODULES}" = no; then
3428 AC_MSG_ERROR([Dynamic modules are not supported on your system])
3431 LIBS="$LIBS $LIBMODULES"
3432 AC_CHECK_FUNCS([dladdr dlfunc])
3437 if test "${HAVE_MODULES}" = yes; then
3438 MODULES_OBJ="dynlib.o emacs-module.o"
3439 AC_DEFINE(HAVE_MODULES, 1, [Define to 1 if dynamic modules are enabled])
3440 AC_DEFINE_UNQUOTED(MODULES_SUFFIX, "$MODULES_SUFFIX",
3441 [System extension for dynamic libraries])
3443 AC_SUBST(MODULES_OBJ)
3444 AC_SUBST(LIBMODULES)
3446 ### Use -lpng if available, unless '--with-png=no'.
3450 if test "${NS_IMPL_COCOA}" = yes; then
3452 elif test "${with_png}" != no; then
3453 # mingw32 loads the library dynamically.
3454 if test "$opsys" = mingw32; then
3455 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3456 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3457 AC_MSG_CHECKING([for png])
3458 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3459 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3460 # libpng-config does not work; configure by hand.
3461 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3462 # in /usr/include/libpng.
3463 if test -r /usr/include/libpng/png.h &&
3464 test ! -r /usr/include/png.h; then
3465 png_cflags=-I/usr/include/libpng
3473 CFLAGS="$CFLAGS $png_cflags"
3474 LIBS="$png_libs -lz -lm $LIBS"
3476 [AC_LANG_PROGRAM([[#include <png.h>]],
3477 [[return !png_get_channels (0, 0);]])],
3479 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3481 # $LIBPNG requires explicit -lz in some cases.
3482 # We don't know what those cases are, exactly, so play it safe and
3483 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3484 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3485 LIBPNG="$LIBPNG -lz"
3489 AC_MSG_RESULT([$HAVE_PNG])
3492 if test $HAVE_PNG = yes; then
3493 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3496 CFLAGS="$CFLAGS $PNG_CFLAGS"
3497 AC_CHECK_DECL([png_longjmp],
3499 [AC_DEFINE([PNG_DEPSTRUCT], [],
3500 [Define to empty to suppress deprecation warnings when building
3501 with --enable-gcc-warnings and with libpng versions before 1.5,
3502 which lack png_longjmp.])],
3508 AC_SUBST(PNG_CFLAGS)
3510 ### Use -ltiff if available, unless '--with-tiff=no'.
3511 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3514 if test "${opsys}" = "mingw32"; then
3515 if test "${with_tiff}" != "no"; then
3516 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3518 if test "${HAVE_TIFF}" = "yes"; then
3519 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3521 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3522 if test "${with_tiff}" != "no"; then
3523 AC_CHECK_HEADER(tiffio.h,
3525 # At least one tiff package requires the jpeg library.
3526 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3527 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3530 if test "${HAVE_TIFF}" = "yes"; then
3531 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3532 dnl FIXME -lz -lm, as per libpng?
3538 ### Use -lgif or -lungif if available, unless '--with-gif=no'.
3539 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3542 if test "${opsys}" = "mingw32"; then
3543 if test "${with_gif}" != "no"; then
3544 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3546 if test "${HAVE_GIF}" = "yes"; then
3547 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3549 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3550 || test "${HAVE_W32}" = "yes"; then
3551 AC_CHECK_HEADER(gif_lib.h,
3552 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3553 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3554 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3555 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3557 if test "$HAVE_GIF" = yes; then
3559 elif test "$HAVE_GIF" = maybe; then
3560 # If gif_lib.h but no libgif, try libungif.
3561 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3562 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3565 if test "${HAVE_GIF}" = "yes"; then
3566 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3571 dnl Check for required libraries.
3574 if test "${HAVE_X11}" = "yes"; then
3575 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3576 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3577 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3578 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3579 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3580 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3581 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3582 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3583 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3584 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3586 test "${with_gnutls}" != "no" && test "${HAVE_GNUTLS}" != "yes" &&
3587 MISSING="$MISSING gnutls" && WITH_NO="$WITH_NO --with-gnutls=no"
3588 if test "X${MISSING}" != X; then
3589 AC_MSG_ERROR([The following required libraries were not found:
3591 Maybe some development libraries/packages are missing?
3592 If you don't want to link with them give
3594 as options to configure])
3597 ### Use -lgpm if available, unless '--with-gpm=no'.
3600 if test "${with_gpm}" != "no"; then
3601 AC_CHECK_HEADER(gpm.h,
3602 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3604 if test "${HAVE_GPM}" = "yes"; then
3605 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3611 dnl Check for malloc/malloc.h on darwin
3612 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3615 ### Use NeXTstep API to implement GUI.
3616 if test "${HAVE_NS}" = "yes"; then
3617 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3618 if test "${NS_IMPL_COCOA}" = "yes"; then
3619 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3621 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3622 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3623 if test $NS_GNUSTEP_CONFIG != yes; then
3624 # See also .m.o rule in src/Makefile.in. */
3625 # FIXME: are all these flags really needed? Document here why. */
3626 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3627 ## Extra CFLAGS applied to src/*.m files.
3628 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3634 ### Use session management (-lSM -lICE) if available
3637 if test "${HAVE_X11}" = "yes"; then
3638 AC_CHECK_HEADER(X11/SM/SMlib.h,
3639 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3641 if test "${HAVE_X_SM}" = "yes"; then
3642 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3648 ### Use XRandr (-lXrandr) if available
3650 if test "${HAVE_X11}" = "yes"; then
3651 XRANDR_REQUIRED=1.2.2
3652 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3653 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3654 if test $HAVE_XRANDR = no; then
3655 # Test old way in case pkg-config doesn't have it (older machines).
3656 # Include Xrender.h by hand to work around bug in older Xrandr.h
3657 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3658 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3659 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3660 [], [AC_INCLUDES_DEFAULT
3661 #include <X11/extensions/Xrender.h>])
3662 if test $HAVE_XRANDR = yes; then
3663 XRANDR_LIBS=-lXrandr
3666 if test $HAVE_XRANDR = yes; then
3667 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3670 AC_SUBST(XRANDR_CFLAGS)
3671 AC_SUBST(XRANDR_LIBS)
3673 ### Use Xinerama (-lXinerama) if available
3675 if test "${HAVE_X11}" = "yes"; then
3676 XINERAMA_REQUIRED=1.0.2
3677 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3678 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3679 if test $HAVE_XINERAMA = no; then
3680 # Test old way in case pkg-config doesn't have it (older machines).
3681 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3682 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3683 if test $HAVE_XINERAMA = yes; then
3684 XINERAMA_LIBS=-lXinerama
3687 if test $HAVE_XINERAMA = yes; then
3688 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3691 AC_SUBST(XINERAMA_CFLAGS)
3692 AC_SUBST(XINERAMA_LIBS)
3694 ### Use Xfixes (-lXfixes) if available
3696 if test "${HAVE_X11}" = "yes"; then
3697 XFIXES_REQUIRED=4.0.0
3698 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3699 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3700 if test $HAVE_XFIXES = no; then
3701 # Test old way in case pkg-config doesn't have it (older machines).
3702 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3703 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3704 if test $HAVE_XFIXES = yes; then
3705 XFIXES_LIBS=-lXfixes
3708 if test $HAVE_XFIXES = yes; then
3709 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3712 AC_SUBST(XFIXES_CFLAGS)
3713 AC_SUBST(XFIXES_LIBS)
3715 ### Use libxml (-lxml2) if available
3716 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3718 if test "${with_xml2}" != "no"; then
3719 ### I'm not sure what the version number should be, so I just guessed.
3720 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3721 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3722 if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
3723 SAVE_CPPFLAGS="$CPPFLAGS"
3724 if test -z "$xcsdkdir" -a -n "$XCRUN" -a ! -d /usr/include; then
3725 dnl /usr/include is not found. Try Xcode SDK dir if it is sane.
3726 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
3728 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
3732 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3733 AC_CHECK_HEADER(libxml/HTMLparser.h,
3734 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3735 [#include <libxml/HTMLparser.h>])])
3736 CPPFLAGS="$SAVE_CPPFLAGS"
3737 if test "${HAVE_LIBXML2}" = "yes"; then
3738 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3739 LIBXML2_LIBS="-lxml2"
3742 if test "${HAVE_LIBXML2}" = "yes"; then
3743 if test "${opsys}" != "mingw32"; then
3744 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no,
3749 if test "${HAVE_LIBXML2}" = "yes"; then
3750 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3757 AC_SUBST(LIBXML2_LIBS)
3758 AC_SUBST(LIBXML2_CFLAGS)
3760 # Check for mail-locking functions in a "mail" library. Probably this should
3761 # have the same check as for liblockfile below.
3762 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3763 if test $have_mail = yes; then
3765 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the 'mail' library (-lmail).])
3768 LIBS="$LIBS_MAIL $LIBS"
3769 AC_CHECK_FUNCS(touchlock)
3774 dnl Debian, at least:
3775 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3776 if test $have_lockfile = yes; then
3777 LIBS_MAIL=-llockfile
3778 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the 'lockfile' library (-llockfile).])
3780 # If we have the shared liblockfile, assume we must use it for mail
3781 # locking (e.g. Debian). If we couldn't link against liblockfile
3782 # (no liblockfile.a installed), ensure that we don't need to.
3783 dnl This works for files generally, not just executables.
3784 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3785 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3786 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3787 if test $ac_cv_prog_liblockfile = yes; then
3788 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3789 This probably means that movemail could lose mail.
3790 There may be a 'development' package to install containing liblockfile.])
3793 AC_CHECK_HEADERS_ONCE(maillock.h)
3796 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3797 ## interlock access to the mail spool. The alternative is a lock file named
3798 ## /usr/spool/mail/$USER.lock.
3801 aix4-2) mail_lock="lockf" ;;
3803 gnu|freebsd|dragonfly|netbsd|openbsd|darwin) mail_lock="flock" ;;
3805 ## On GNU/Linux systems, both methods are used by various mail programs.
3806 ## I assume most people are using newer mailers that have heard of flock.
3807 ## Change this if you need to.
3808 ## Debian contains a patch which says: "On Debian/GNU/Linux systems,
3809 ## configure gets the right answers, and that means *NOT* using flock.
3810 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3811 ## for details." and then uses '#ifdef DEBIAN'. Unfortunately the
3812 ## Debian maintainer hasn't provided a clean fix for Emacs.
3813 ## movemail.c will use 'maillock' when MAILDIR, HAVE_LIBMAIL and
3814 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3815 ## correct logic. -- fx
3816 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3817 ## liblockfile is a Free Software replacement for libmail, used on
3818 ## Debian systems and elsewhere. -rfr.
3821 if test $have_mail = yes || test $have_lockfile = yes; then
3822 test $ac_cv_header_maillock_h = yes && mail_lock=no
3827 mail_lock="none-needed" ;;
3831 case "$mail_lock" in
3832 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3834 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3838 *) BLESSMAIL_TARGET="need-blessmail" ;;
3840 AC_SUBST(BLESSMAIL_TARGET)
3843 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3844 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3845 getrusage get_current_dir_name \
3846 lrand48 random rint \
3847 select getpagesize setlocale newlocale \
3848 getrlimit setrlimit shutdown \
3849 pthread_sigmask strsignal setitimer \
3850 sendto recvfrom getsockname getifaddrs freeifaddrs \
3852 getpwent endpwent getgrent endgrent \
3853 cfmakeraw cfsetspeed copysign __executable_start log2)
3856 dnl No need to check for posix_memalign if aligned_alloc works.
3857 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3858 AC_CHECK_DECLS([aligned_alloc], [], [], [[#include <stdlib.h>]])
3860 dnl Cannot use AC_CHECK_FUNCS
3861 AC_CACHE_CHECK([for __builtin_unwind_init],
3862 emacs_cv_func___builtin_unwind_init,
3863 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3864 emacs_cv_func___builtin_unwind_init=yes,
3865 emacs_cv_func___builtin_unwind_init=no)])
3866 if test $emacs_cv_func___builtin_unwind_init = yes; then
3867 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3868 [Define to 1 if you have the '__builtin_unwind_init' function.])
3871 AC_CHECK_HEADERS_ONCE(sys/un.h)
3876 AC_CHECK_FUNCS(grantpt)
3878 # PTY-related GNU extensions.
3879 AC_CHECK_FUNCS(getpt posix_openpt)
3881 # Check this now, so that we will NOT find the above functions in ncurses.
3882 # That is because we have not set up to link ncurses in lib-src.
3883 # It's better to believe a function is not available
3884 # than to expect to find it in ncurses.
3885 # Also we need tputs and friends to be able to build at all.
3886 AC_MSG_CHECKING([for library containing tputs])
3887 # Run a test program that contains a call to tputs, a call that is
3888 # never executed. This tests whether a pre-'main' dynamic linker
3889 # works with the library. It's too much trouble to actually call
3890 # tputs in the test program, due to portability hassles. When
3891 # cross-compiling, assume the test program will run if it links.
3892 AC_DEFUN([tputs_link_source], [
3894 [[extern void tputs (const char *, int, int (*)(int));
3895 int main (int argc, char **argv)
3898 tputs (argv[0], 0, 0);
3902 if test "${opsys}" = "mingw32"; then
3905 # Maybe curses should be tried earlier?
3906 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3907 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3909 if test -z "$tputs_library"; then
3913 LIBS_TERMCAP=-l$tputs_library
3915 LIBS="$LIBS_TERMCAP $LIBS"
3917 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3918 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3920 if test "X$msg" != Xno; then
3925 AC_MSG_RESULT([$msg])
3926 if test "X$msg" = Xno; then
3927 AC_MSG_ERROR([The required function 'tputs' was not found in any library.
3928 The following libraries were tried (in order):
3929 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3930 Please try installing whichever of these libraries is most appropriate
3931 for your system, together with its header files.
3932 For example, a libncurses-dev(el) or similar package.])
3935 ## Use termcap instead of terminfo?
3936 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3938 ## FIXME? In the cases below where we unconditionally set
3939 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3940 ## if that was found above to have tputs.
3941 ## Should we use the gnu* logic everywhere?
3943 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3944 ## The ncurses library has been moved out of the System framework in
3945 ## Mac OS X 10.2. So if configure detects it, set the command-line
3946 ## option to use it.
3947 darwin) LIBS_TERMCAP="-lncurses" ;;
3949 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3952 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3953 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3954 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3955 [[#if __FreeBSD_version < 400000
3958 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3960 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3962 if test $emacs_cv_freebsd_terminfo = yes; then
3963 LIBS_TERMCAP="-lncurses"
3966 LIBS_TERMCAP="-ltermcap"
3976 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3978 LIBS_TERMCAP="-ltermcap"
3982 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3984 ## hpux: Make sure we get select from libc rather than from libcurses
3985 ## because libcurses on HPUX 10.10 has a broken version of select.
3986 ## We used to use -lc -lcurses, but this may be cleaner.
3987 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3988 # set that way, now it uses the default). Isn't this a contradiction?
3989 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3993 TERMCAP_OBJ=tparam.o
3994 if test $TERMINFO = yes; then
3995 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3996 TERMCAP_OBJ=terminfo.o
3998 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3999 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
4001 AC_SUBST(LIBS_TERMCAP)
4002 AC_SUBST(TERMCAP_OBJ)
4004 # GNU/Linux-specific timer functions.
4005 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
4007 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
4009 [[timerfd_create (CLOCK_REALTIME,
4010 TFD_CLOEXEC | TFD_NONBLOCK);
4011 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
4012 [emacs_cv_have_timerfd=yes],
4013 [emacs_cv_have_timerfd=no])])
4014 if test "$emacs_cv_have_timerfd" = yes; then
4015 AC_DEFINE([HAVE_TIMERFD], 1,
4016 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
4019 # Alternate stack for signal handlers.
4020 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
4021 [emacs_cv_alternate_stack],
4023 [AC_LANG_PROGRAM([[#include <signal.h>
4026 struct sigaction sa;
4027 ss.ss_sp = malloc (SIGSTKSZ);
4028 ss.ss_size = SIGSTKSZ;
4029 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
4030 sigaltstack (&ss, 0);
4031 sigaction (SIGSEGV, &sa, 0);]])],
4032 [emacs_cv_alternate_stack=yes],
4033 [emacs_cv_alternate_stack=no])])
4035 # Do we need the Hesiod library to provide the support routines?
4036 dnl FIXME? Should we be skipping this on Darwin too?
4039 if test "$with_hesiod" != no ; then
4040 # Don't set $LIBS here -- see comments above. FIXME which comments?
4042 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
4043 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
4044 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
4045 if test "$resolv" = yes ; then
4051 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
4052 hesiod=yes, :, $RESOLVLIB)])
4054 if test x"$hesiod" = xyes; then
4056 LIBRESOLV=$RESOLVLIB
4062 # These tell us which Kerberos-related libraries to use.
4069 if test "${with_kerberos}" != no; then
4071 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
4072 if test $have_com_err = yes; then
4073 COM_ERRLIB=-lcom_err
4074 LIBS="$COM_ERRLIB $LIBS"
4076 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
4077 if test $have_crypto = yes; then
4079 LIBS="$CRYPTOLIB $LIBS"
4081 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
4082 if test $have_k5crypto = yes; then
4083 CRYPTOLIB=-lk5crypto
4084 LIBS="$CRYPTOLIB $LIBS"
4086 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
4087 if test $have_krb5=yes; then
4089 LIBS="$KRB5LIB $LIBS"
4091 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
4092 if test "${with_kerberos5}" = no; then
4093 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
4094 if test $have_des425 = yes; then
4096 LIBS="$DESLIB $LIBS"
4098 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
4099 if test $have_des = yes; then
4101 LIBS="$DESLIB $LIBS"
4104 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
4105 if test $have_krb4 = yes; then
4107 LIBS="$KRB4LIB $LIBS"
4109 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
4110 if test $have_krb = yes; then
4112 LIBS="$KRB4LIB $LIBS"
4117 if test "${with_kerberos5}" != no; then
4118 AC_CHECK_HEADERS(krb5.h,
4119 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
4120 [#include <krb5.h>])])
4122 AC_CHECK_HEADERS(krb.h,,
4123 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
4124 [AC_CHECK_HEADERS(kerberos/krb.h)])])
4126 AC_CHECK_HEADERS(com_err.h)
4130 AC_SUBST(COM_ERRLIB)
4136 AC_CHECK_HEADERS(valgrind/valgrind.h)
4138 AC_CHECK_MEMBERS([struct unipair.unicode], [], [], [[#include <linux/kd.h>]])
4140 AC_CHECK_FUNCS_ONCE(tzset)
4143 AC_CHECK_FUNC(socket, , ok_so_far=no)
4144 if test $ok_so_far = yes; then
4145 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4147 if test $ok_so_far = yes; then
4148 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4150 if test $ok_so_far = yes; then
4151 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4152 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4153 [Define to 1 if you have inet sockets.])
4158 AC_CHECK_FUNCS(snprintf)
4160 dnl Check for glib. This differs from other library checks in that
4161 dnl Emacs need not link to glib unless some other library is already
4162 dnl linking to glib. Although glib provides no facilities that Emacs
4163 dnl needs for its own purposes, when glib is present Emacs needs to
4164 dnl use primitives like g_main_context_query to avoid clashing with
4165 dnl glib at a low level.
4167 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4171 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4172 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4173 CFLAGS="$CFLAGS $NOTIFY_CFLAGS $CAIRO_CFLAGS"
4174 LIBS="$LIBS $NOTIFY_LIBS $CAIRO_LIBS"
4175 AC_MSG_CHECKING([whether GLib is linked in])
4176 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4179 [[g_print ("Hello world");]])],
4182 AC_MSG_RESULT([$links_glib])
4183 if test "${links_glib}" = "yes"; then
4184 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4185 if test "$HAVE_NS" = no;then
4193 dnl Adapted from Haible's version.
4194 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4195 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4196 [[char* cs = nl_langinfo(CODESET);]])],
4197 emacs_cv_langinfo_codeset=yes,
4198 emacs_cv_langinfo_codeset=no)
4200 if test $emacs_cv_langinfo_codeset = yes; then
4201 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4202 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4207 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4208 dnl how the tty code is related to POSIX and/or other versions of termios.
4209 dnl The following looks like a useful start.
4211 dnl AC_SYS_POSIX_TERMIOS
4212 dnl if test $ac_cv_sys_posix_termios = yes; then
4213 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4214 dnl and macros for terminal control.])
4215 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4218 dnl Turned on June 1996 supposing nobody will mind it.
4219 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4220 if test "${opsys}" != "mingw32"; then
4221 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4222 in the full name stands for the login id.])
4225 dnl Everybody supports this, except MS.
4226 dnl Seems like the kind of thing we should be testing for, though.
4227 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4228 if test "${opsys}" != "mingw32"; then
4229 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4232 dnl Everybody supports this, except MS-DOS.
4233 dnl Seems like the kind of thing we should be testing for, though.
4234 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4235 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4236 4.2-compatible sockets.])
4238 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4240 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4241 a null file, or a data sink.])
4242 if test "${opsys}" = "mingw32"; then
4243 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4245 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4248 if test "${opsys}" = "mingw32"; then
4253 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4254 dnl This is for MinGW, and is used in test/Makefile.in.
4255 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4256 dnl decides that a command-line argument to be passed to a MinGW program
4257 dnl is a PATH-style list of directories. But that heuristics plays it
4258 dnl safe, and only does the replacement when it is _absolutely_ sure it
4259 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4260 dnl which breaks in-tree builds. So we do this manually instead.
4261 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4262 dnl be computed as ':' in MSYS Bash.
4265 dnl Everybody supports this, except MS-DOS.
4266 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4268 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4271 AC_DEFINE(DIRECTORY_SEP, ['/'],
4272 [Character that separates directories in a file name.])
4274 if test "${opsys}" = "mingw32"; then
4275 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4276 [Returns true if character is a device separator.])
4278 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4279 [Returns true if character is a directory separator.])
4281 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4282 [Returns true if character is any form of separator.])
4284 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4285 [Returns true if character is a device separator.])
4287 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4288 [Returns true if character is a directory separator.])
4290 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4291 [Returns true if character is any form of separator.])
4294 if test "$USE_X_TOOLKIT" != "none"; then
4298 dnl Assar Westerlund <assar@sics.se> says this is necessary
4299 dnl for HP-UX 10.20, and that it works for HP-UX 0 as well.
4303 if test "$have_editres" != no && test ! -z "$LIBXMU"; then
4305 dnl See libXmu.a check above.
4306 if test x$HAVE_X11XTR6 = xyes; then
4307 LIBS="-lXt -lSM -lICE $LIBXMU"
4309 OTHERLIBS="-lXt -$LIBXMU"
4312 [#include <X11/Intrinsic.h>
4313 #include <X11/Xmu/Editres.h>],
4314 [_XEditResCheckMessages (0, 0, 0, 0);],
4315 [AC_DEFINE([X_TOOLKIT_EDITRES], 1,
4316 [Define to 1 if we should use XEditRes.])])
4323 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4324 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4325 dnl need the constant to dimension an array. So wire in the appropriate
4327 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4331 emacs_broken_SIGIO=no
4334 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4335 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4336 hpux* | nacl | openbsd | sol2* | unixware )
4337 emacs_broken_SIGIO=yes
4341 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4342 dnl the way this system works, libc functions that return malloced
4343 dnl memory use the libc malloc implementation. Calling xfree or
4344 dnl xrealloc on the results of such functions results in a crash.
4346 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4347 dnl but that does not currently work on this system.
4349 dnl It is possible to completely override the malloc implementation on
4350 dnl AIX, but that involves putting the malloc functions in a shared
4351 dnl library and setting the MALLOCTYPE environment variable to point to
4352 dnl that shared library.
4354 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4355 dnl to avoid a crash just use the Emacs implementation for that function.
4357 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4358 dnl of this file, so that we do not check for get_current_dir_name
4359 dnl on AIX. But that might be fragile if something else ends
4360 dnl up testing for get_current_dir_name as a dependency.
4361 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4362 get_current_dir_name should not be used.])
4366 dnl Circumvent a bug in FreeBSD. In the following sequence of
4367 dnl writes/reads on a PTY, read(2) returns bogus data:
4369 dnl write(2) 1022 bytes
4370 dnl write(2) 954 bytes, get EAGAIN
4371 dnl read(2) 1024 bytes in process_read_output
4372 dnl read(2) 11 bytes in process_read_output
4374 dnl That is, read(2) returns more bytes than have ever been written
4375 dnl successfully. The 1033 bytes read are the 1022 bytes written
4376 dnl successfully after processing (for example with CRs added if the
4377 dnl terminal is set up that way which it is here). The same bytes will
4378 dnl be seen again in a later read(2), without the CRs.
4379 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4380 work around an issue when reading from a PTY.])
4386 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4387 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4392 darwin | dragonfly | freebsd | netbsd | openbsd )
4393 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4394 close a pty to make it a controlling terminal (it is already a
4395 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4399 dnl FIXME Surely we can test for this rather than hard-code it.
4401 netbsd | openbsd) sound_device="/dev/audio" ;;
4402 *) sound_device="/dev/dsp" ;;
4406 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4407 [Name of the default sound device.])
4410 dnl Emacs can read input using SIGIO and buffering characters itself,
4411 dnl or using CBREAK mode and making C-g cause SIGINT.
4412 dnl The choice is controlled by the variable interrupt_input.
4414 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4416 dnl Emacs uses the presence of the USABLE_SIGIO macro
4417 dnl to indicate whether or not signal-driven I/O is possible. It uses
4418 dnl INTERRUPT_INPUT to decide whether to use it by default.
4420 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4421 dnl CBREAK mode has two disadvantages
4422 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4423 dnl I hear that in system V this problem does not exist.
4424 dnl 2) Control-G causes output to be discarded.
4425 dnl I do not know whether this can be fixed in system V.
4427 dnl Another method of doing input is planned but not implemented.
4428 dnl It would have Emacs fork off a separate process
4429 dnl to read the input and send it to the true Emacs process
4432 darwin | gnu-linux | gnu-kfreebsd )
4433 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4438 dnl If the system's imake configuration file defines 'NeedWidePrototypes'
4439 dnl as 'NO', we must define NARROWPROTO manually. Such a define is
4440 dnl generated in the Makefile generated by 'xmkmf'. If we don't define
4441 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4442 dnl taking float or double parameters.
4444 cygwin|gnu|gnu-linux|gnu-kfreebsd|freebsd|netbsd|openbsd)
4445 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4446 file defines 'NeedWidePrototypes' as 'NO'.])
4451 dnl Used in process.c, this must be a loop, even if it only runs once.
4452 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4453 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4454 dnl trying suffixes 0-16.
4455 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4456 first PTY, if PTYs are supported.])
4457 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4458 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4459 end of a PTY, if non-standard.])
4460 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4461 end of a PTY, if non-standard.])
4465 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4466 dnl You allocate a pty by opening /dev/ptc to get the master side.
4467 dnl To get the name of the slave side, you just ttyname() the master side.
4468 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4469 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4473 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4474 dnl multi-line AC_DEFINEs are hard. :(
4475 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)])
4476 AC_DEFINE(PTY_NAME_SPRINTF, [])
4477 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4481 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4484 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd | darwin | nacl )
4486 if test "x$ac_cv_func_grantpt" = xyes; then
4487 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4488 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4489 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4490 dnl to prevent sigchld_handler from intercepting the child's death.
4491 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); }])
4492 dnl if HAVE_POSIX_OPENPT
4493 if test "x$ac_cv_func_posix_openpt" = xyes; then
4494 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4495 AC_DEFINE(PTY_NAME_SPRINTF, [])
4497 elif test "x$ac_cv_func_getpt" = xyes; then
4498 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4499 AC_DEFINE(PTY_NAME_SPRINTF, [])
4501 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4504 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4509 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4510 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4511 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4515 dnl On SysVr4, grantpt(3) forks a subprocess, so do not use
4516 dnl O_CLOEXEC when opening the pty, and keep the SIGCHLD handler
4517 dnl from intercepting that death. If any child but grantpt's should die
4518 dnl within, it should be caught after sigrelse(2).
4519 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4520 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); }])
4524 dnl Comments are as per sol2*.
4525 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4526 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); }])
4533 dnl This change means that we don't loop through allocate_pty too
4534 dnl many times in the (rare) event of a failure.
4535 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4536 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4537 dnl Push various streams modules onto a PTY channel. Used in process.c.
4538 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.])
4543 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4544 "typing" a signal character on the pty.])
4547 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4548 aix4-2 | cygwin | gnu | dragonfly | freebsd | netbsd | openbsd | darwin )
4549 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4552 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4553 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4554 gnu-linux | gnu-kfreebsd )
4556 AC_MSG_CHECKING([for signals via characters])
4557 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4558 #include <linux/version.h>
4559 #if LINUX_VERSION_CODE < 0x20400
4560 # error "Linux version too old"
4562 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4564 AC_MSG_RESULT([$emacs_signals_via_chars])
4565 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4570 AH_TEMPLATE(TAB3, [Undocumented.])
4573 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4575 gnu | dragonfly | freebsd | netbsd | openbsd )
4576 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4577 AC_DEFINE(TAB3, OXTABS)
4580 gnu-linux | gnu-kfreebsd )
4581 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4585 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4586 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4587 [Mark a secondary stack, like the register stack on the ia64.]), [])
4591 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4592 run_time_remap; for HPUX.])
4597 dnl This won't be used automatically yet. We also need to know, at least,
4598 dnl that the stack is continuous.
4599 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4600 registers relevant for conservative garbage collection in the jmp_buf.])
4604 dnl Not all the architectures are tested, but there are Debian packages
4605 dnl for SCM and/or Guile on them, so the technique must work. See also
4606 dnl comments in alloc.c concerning setjmp and gcc.
4607 dnl Fixme: it's probably safe to just use the GCC conditional below.
4608 gnu-linux | gnu-kfreebsd )
4609 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4610 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4611 || defined __alpha__ || defined __mips__ || defined __s390__ \
4612 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4613 || defined __ia64__ || defined __sh__
4616 # error "setjmp not known to work on this arch"
4618 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4623 if test x$GCC = xyes; then
4624 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4625 AC_DEFINE(GC_SETJMP_WORKS, 1)
4628 aix* | dragonfly | freebsd | netbsd | openbsd | sol2* )
4629 AC_DEFINE(GC_SETJMP_WORKS, 1)
4634 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4635 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4638 [[#include <setjmp.h>
4640 # define _longjmp longjmp
4645 _longjmp (j, 1);]])],
4646 [emacs_cv_func__setjmp=yes],
4647 [emacs_cv_func__setjmp=no])])
4648 if test $emacs_cv_func__setjmp = yes; then
4649 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4652 # We need to preserve signal mask to handle C stack overflows.
4653 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4656 [[#include <setjmp.h>
4659 if (! sigsetjmp (j, 1))
4660 siglongjmp (j, 1);]])],
4661 [emacs_cv_func_sigsetjmp=yes],
4662 [emacs_cv_func_sigsetjmp=no])])
4663 if test $emacs_cv_func_sigsetjmp = yes; then
4664 AC_DEFINE([HAVE_SIGSETJMP], 1,
4665 [Define to 1 if sigsetjmp and siglongjmp work.])
4668 case $emacs_cv_func_sigsetjmp,$emacs_cv_alternate_stack,$opsys in
4669 yes,yes,* | *,*,mingw32)
4670 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4671 [Define to 1 if C stack overflow can be handled in some cases.]);;
4676 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4677 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4678 dnl and this is all we need.
4679 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4686 dnl Used in xfaces.c.
4687 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4688 some systems, where it requires time.h.])
4693 dnl Define symbols to identify the version of Unix this is.
4694 dnl Define all the symbols that apply correctly.
4695 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4696 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4697 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4698 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4703 dnl This symbol should be defined on AIX Version 3 ???????
4704 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4706 # error "_AIX not defined"
4708 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4712 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4716 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4717 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4718 dnl distinguish OS X from pure Darwin.
4719 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4722 gnu-linux | gnu-kfreebsd )
4724 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4729 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4733 AC_DEFINE(DOS_NT, [])
4734 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4735 if test "x$ac_enable_checking" != "x" ; then
4736 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4742 AC_DEFINE(USG5_4, [])
4743 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4748 AC_DEFINE(USG5_4, [])
4752 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4755 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4756 emacs_cv_usable_FIONREAD=no
4760 emacs_cv_usable_FIONREAD=yes
4765 [AC_LANG_PROGRAM([[#include <sys/types.h>
4766 #include <sys/ioctl.h>
4768 # include <sys/filio.h>
4771 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4772 [emacs_cv_usable_FIONREAD=yes],
4773 [emacs_cv_usable_FIONREAD=no])
4776 if test $emacs_cv_usable_FIONREAD = yes; then
4777 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4779 if test $emacs_broken_SIGIO = no; then
4780 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4782 [AC_LANG_PROGRAM([[#include <fcntl.h>
4785 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4786 [emacs_cv_usable_SIGIO=yes],
4787 [emacs_cv_usable_SIGIO=no])],
4788 [emacs_cv_usable_SIGIO=yes],
4789 [emacs_cv_usable_SIGIO=no])
4790 if test $emacs_cv_usable_SIGIO = yes; then
4791 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4798 dnl It works to open the pty's tty in the parent (Emacs), then
4799 dnl close and reopen it in the child.
4800 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4801 works to open a pty's tty in the parent process, then close and
4802 reopen it in the child.])
4806 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4811 # Set up the CFLAGS for real compilation, so we can substitute it.
4812 CFLAGS="$REAL_CFLAGS"
4813 CPPFLAGS="$REAL_CPPFLAGS"
4816 ## Hack to detect a buggy GCC version.
4817 if test "$GCC" = yes && \
4818 $CC --version 2> /dev/null | grep 'gcc.* 4.5.0' >/dev/null; then
4820 *-fno-optimize-sibling-calls*) ;;
4822 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS.]);;
4826 version=$PACKAGE_VERSION
4828 copyright="Copyright (C) 2016 Free Software Foundation, Inc."
4829 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4830 [Short copyright string for this version of Emacs.])
4833 ### Specify what sort of things we'll be editing into Makefile and config.h.
4834 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4836 AC_SUBST(configuration)
4841 AC_SUBST(exec_prefix)
4844 AC_SUBST(sharedstatedir)
4845 AC_SUBST(libexecdir)
4849 AC_SUBST(standardlisppath)
4850 AC_SUBST(locallisppath)
4852 AC_SUBST(x_default_search_path)
4854 AC_SUBST(archlibdir)
4860 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4861 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4862 ## end of LIBX_BASE, but nothing ever set it.
4863 AC_SUBST(LD_SWITCH_X_SITE)
4864 AC_SUBST(C_SWITCH_X_SITE)
4865 AC_SUBST(GNUSTEP_CFLAGS)
4867 ## Used in lwlib/Makefile.in.
4868 AC_SUBST(X_TOOLKIT_TYPE)
4870 AC_SUBST(ns_appbindir)
4871 AC_SUBST(ns_appresdir)
4873 AC_SUBST(GNU_OBJC_CFLAGS)
4874 AC_SUBST(OTHER_FILES)
4876 if test -n "${term_header}"; then
4877 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4878 [Define to the header for the built-in window system.])
4881 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4882 [Define to the canonical Emacs configuration name.])
4883 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4884 [Define to the options passed to configure.])
4889 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4890 AC_DEFINE(HAVE_X_WINDOWS, 1,
4891 [Define to 1 if you want to use the X window system.])
4893 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4895 if test "$HAVE_CAIRO" = "yes"; then
4896 FONT_OBJ="ftfont.o ftcrfont.o"
4897 elif test "$HAVE_XFT" = "yes"; then
4898 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4899 elif test "$HAVE_FREETYPE" = "yes"; then
4900 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4910 if test "${USE_X_TOOLKIT}" != "none" ; then
4912 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4913 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4914 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4915 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4916 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4920 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4921 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4925 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4926 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4927 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4931 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4932 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4935 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4938 AC_SUBST(WIDGET_OBJ)
4941 case "$USE_X_TOOLKIT" in
4942 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4943 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4944 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4946 if test "$HAVE_XWIDGETS" = "yes"; then
4947 TOOLKIT_LIBW="$TOOLKIT_LIBW -lXcomposite"
4949 AC_SUBST(TOOLKIT_LIBW)
4951 if test "${opsys}" != "mingw32"; then
4952 if test "$USE_X_TOOLKIT" = "none"; then
4953 LIBXT_OTHER="\$(LIBXSM)"
4955 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4958 AC_SUBST(LIBXT_OTHER)
4960 if test "${HAVE_X11}" = "yes" ; then
4961 AC_DEFINE(HAVE_X11, 1,
4962 [Define to 1 if you want to use version 11 of X windows.])
4963 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4967 AC_SUBST(LIBX_OTHER)
4969 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4971 elif test "$USE_X_TOOLKIT" = none; then
4972 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4974 LIBXMENU='$(lwlibdir)/liblw.a'
4978 AC_CACHE_CHECK([for struct alignment],
4979 [emacs_cv_struct_alignment],
4981 [AC_LANG_PROGRAM([[#include <stddef.h>
4982 struct __attribute__ ((aligned (8))) s { char c; };
4983 struct t { char c; struct s s; };
4984 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4986 [emacs_cv_struct_alignment=yes],
4987 [emacs_cv_struct_alignment=no])])
4988 if test "$emacs_cv_struct_alignment" = yes; then
4989 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4990 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4991 structure to an N-byte boundary.])
4994 if test "${GNU_MALLOC}" = "yes" ; then
4995 AC_DEFINE(GNU_MALLOC, 1,
4996 [Define to 1 if you want to use the GNU memory allocator.])
5000 if test "${REL_ALLOC}" = "yes" ; then
5001 AC_DEFINE(REL_ALLOC, 1,
5002 [Define REL_ALLOC if you want to use the relocating allocator for
5005 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
5007 AC_SUBST(RALLOC_OBJ)
5009 if test "$opsys" = "cygwin"; then
5010 CYGWIN_OBJ="cygw32.o"
5011 ## Cygwin differs because of its unexec().
5013 POST_ALLOC_OBJ=lastfile.o
5014 elif test "$opsys" = "mingw32"; then
5017 POST_ALLOC_OBJ=lastfile.o
5020 PRE_ALLOC_OBJ=lastfile.o
5023 AC_SUBST(CYGWIN_OBJ)
5024 AC_SUBST(PRE_ALLOC_OBJ)
5025 AC_SUBST(POST_ALLOC_OBJ)
5027 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
5028 dnl verbatim defined above. The tricky name is apropos, as this hack
5029 dnl makes Fortify go sour!
5030 AH_VERBATIM([FORTIFY_SOUR],
5031 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
5032 The workaround disables some useful run-time checking, so it
5033 should be conditional to the platforms with the performance bug.
5034 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
5035 #if defined __APPLE__ && defined __GNUC__
5036 # ifndef _DONT_USE_CTYPE_INLINE_
5037 # define _DONT_USE_CTYPE_INLINE_
5039 # ifndef _FORTIFY_SOURCE
5040 # define _FORTIFY_SOURCE 0
5045 # If user asks to omit features, disable optional features that gnulib
5046 # might otherwise enable.
5047 if test "$with_features" = no && test "$enable_acl" != yes; then
5051 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
5052 # it temporarily reverts them to their pre-pkg-config values,
5053 # because gnulib needs to work with both src (which uses the
5054 # pkg-config stuff) and lib-src (which does not). For example, gnulib
5055 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
5056 # and it therefore needs to run in an environment where LIBS does not
5057 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
5058 # for some package unrelated to lib-src.
5061 CFLAGS=$pre_PKG_CONFIG_CFLAGS
5062 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
5063 gl_ASSERT_NO_GNULIB_POSIXCHECK
5064 gl_ASSERT_NO_GNULIB_TESTS
5069 if test "${opsys}" = "mingw32"; then
5070 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
5071 # Remove unneeded switches from the value of CC that goes to Makefiles
5072 CC=`AS_ECHO(["$CC"]) | sed -e "s,$GCC_TEST_OPTIONS,,"`
5076 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
5078 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
5081 ## The -headerpad option tells ld (see man page) to leave room at the
5082 ## end of the header for adding load commands. Needed for dumping.
5083 ## 0x1000 is enough for roughly 52 load commands on the x86_64
5084 ## architecture (where they are 78 bytes each). The actual number of
5085 ## load commands added is not consistent but normally ranges from
5086 ## about 14 to about 34. Setting it high gets us plenty of slop and
5087 ## only costs about 1.5K of wasted binary space.
5088 headerpad_extra=1000
5089 if test "$HAVE_NS" = "yes"; then
5090 libs_nsgui="-framework AppKit"
5091 if test "$NS_IMPL_COCOA" = "yes"; then
5092 libs_nsgui="$libs_nsgui -framework IOKit"
5097 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
5099 ## This is here because src/Makefile.in did some extra fiddling around
5100 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
5101 ## LD_SWITCH_SYSTEM_TEMACS instead,
5102 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
5103 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5106 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5107 ## find X at run-time.
5108 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5109 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5110 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5111 ## had different values in configure (in ac_link) and src/Makefile.in.
5112 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5113 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5116 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5117 case "$canonical" in
5118 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5119 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5123 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5126 # -no-pie or -nopie fixes a temacs segfault on Gentoo, OpenBSD,
5127 # Ubuntu, and other systems with "hardened" GCC configurations for
5128 # some reason (Bug#18784). We don't know why this works, but not
5129 # segfaulting is better than segfaulting. Use ac_c_werror_flag=yes
5130 # when trying the option, otherwise clang keeps warning that it does
5131 # not understand it, and pre-4.6 GCC has a similar problem
5132 # (Bug#20338). Prefer -no-pie to -nopie, as -no-pie is the
5133 # spelling used by GCC 6.1.0 and later (Bug#24682).
5135 [for $CC option to disable position independent executables],
5136 [emacs_cv_prog_cc_no_pie],
5137 [emacs_save_c_werror_flag=$ac_c_werror_flag
5138 emacs_save_LDFLAGS=$LDFLAGS
5139 ac_c_werror_flag=yes
5140 for emacs_cv_prog_cc_no_pie in -no-pie -nopie no; do
5141 test $emacs_cv_prog_cc_no_pie = no && break
5142 LDFLAGS="$emacs_save_LDFLAGS $emacs_cv_prog_cc_no_pie"
5143 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [break])
5145 ac_c_werror_flag=$emacs_save_c_werror_flag
5146 LDFLAGS=$emacs_save_LDFLAGS])
5147 if test "$emacs_cv_prog_cc_no_pie" != no; then
5148 LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS $emacs_cv_prog_cc_no_pie"
5151 if test x$ac_enable_profiling != x ; then
5153 *freebsd | gnu-linux) ;;
5154 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5158 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5160 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5162 ## Common for all window systems
5163 if test "$window_system" != "none"; then
5164 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5165 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5166 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5169 AC_SUBST(WINDOW_SYSTEM_OBJ)
5171 AH_TOP([/* GNU Emacs site configuration template file.
5173 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2016
5174 Free Software Foundation, Inc.
5176 This file is part of GNU Emacs.
5178 GNU Emacs is free software: you can redistribute it and/or modify
5179 it under the terms of the GNU General Public License as published by
5180 the Free Software Foundation, either version 3 of the License, or (at
5181 your option) any later version.
5183 GNU Emacs is distributed in the hope that it will be useful,
5184 but WITHOUT ANY WARRANTY; without even the implied warranty of
5185 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5186 GNU General Public License for more details.
5188 You should have received a copy of the GNU General Public License
5189 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5192 /* No code in Emacs #includes config.h twice, but some bits of code
5193 intended to work with other packages as well (like gmalloc.c)
5194 think they can include it as many times as they like. */
5195 #ifndef EMACS_CONFIG_H
5196 #define EMACS_CONFIG_H
5199 AH_BOTTOM([#include <conf_post.h>
5201 #endif /* EMACS_CONFIG_H */
5210 #### Report on what we decided to do.
5211 #### Report GTK as a toolkit, even if it doesn't use Xt.
5212 #### It makes printing result more understandable as using GTK sets
5213 #### toolkit_scroll_bars to yes by default.
5214 if test "${HAVE_GTK}" = "yes"; then
5215 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5218 if test $USE_ACL -ne 0; then
5219 ACL_SUMMARY="yes $LIB_ACL"
5224 emacs_standard_dirs='Standard dirs'
5226 Configured for '${canonical}'.
5228 Where should the build process find the source code? ${srcdir}
5229 What compiler should emacs be built with? ${CC} ${CFLAGS}
5230 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5231 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5232 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5233 What window system should Emacs use? ${window_system}
5234 What toolkit should Emacs use? ${USE_X_TOOLKIT}
5235 Where do we find X Windows header files? ${x_includes:-$emacs_standard_dirs}
5236 Where do we find X Windows libraries? ${x_libraries:-$emacs_standard_dirs}"])
5239 emacs_config_features=
5240 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS \
5241 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5242 LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS X_TOOLKIT X11 NS MODULES \
5243 XWIDGETS LIBSYSTEMD CANNOT_DUMP; do
5246 CANNOT_DUMP) eval val=\${$opt} ;;
5247 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5248 TOOLKIT_SCROLL_BARS|X_TOOLKIT) eval val=\${USE_$opt} ;;
5249 *) eval val=\${HAVE_$opt} ;;
5252 xno|xnone|x) continue ;;
5257 GTK*|LUCID|MOTIF) opt=$val ;;
5262 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5265 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5266 [Summary of some of the main features enabled by configure.])
5268 AS_ECHO([" Does Emacs use -lXaw3d? ${HAVE_XAW3D}
5269 Does Emacs use -lXpm? ${HAVE_XPM}
5270 Does Emacs use -ljpeg? ${HAVE_JPEG}
5271 Does Emacs use -ltiff? ${HAVE_TIFF}
5272 Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF
5273 Does Emacs use a png library? ${HAVE_PNG} $LIBPNG
5274 Does Emacs use -lrsvg-2? ${HAVE_RSVG}
5275 Does Emacs use cairo? ${HAVE_CAIRO}
5276 Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}
5277 Does Emacs support sound? ${HAVE_SOUND}
5278 Does Emacs use -lgpm? ${HAVE_GPM}
5279 Does Emacs use -ldbus? ${HAVE_DBUS}
5280 Does Emacs use -lgconf? ${HAVE_GCONF}
5281 Does Emacs use GSettings? ${HAVE_GSETTINGS}
5282 Does Emacs use a file notification library? ${NOTIFY_SUMMARY}
5283 Does Emacs use access control lists? ${ACL_SUMMARY}
5284 Does Emacs use -lselinux? ${HAVE_LIBSELINUX}
5285 Does Emacs use -lgnutls? ${HAVE_GNUTLS}
5286 Does Emacs use -lxml2? ${HAVE_LIBXML2}
5287 Does Emacs use -lfreetype? ${HAVE_FREETYPE}
5288 Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}
5289 Does Emacs use -lotf? ${HAVE_LIBOTF}
5290 Does Emacs use -lxft? ${HAVE_XFT}
5291 Does Emacs use -lsystemd? ${HAVE_LIBSYSTEMD}
5292 Does Emacs directly use zlib? ${HAVE_ZLIB}
5293 Does Emacs have dynamic modules support? ${HAVE_MODULES}
5294 Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}
5295 Does Emacs support Xwidgets (requires gtk3)? ${HAVE_XWIDGETS}
5298 if test -n "${EMACSDATA}"; then
5299 AS_ECHO([" Environment variable EMACSDATA set to: $EMACSDATA"])
5301 if test -n "${EMACSDOC}"; then
5302 AS_ECHO([" Environment variable EMACSDOC set to: $EMACSDOC"])
5307 if test "$HAVE_NS" = "yes"; then
5309 AS_ECHO(["You must run \"${MAKE-make} install\" in order to test the built application.
5310 The installed application will go to nextstep/Emacs.app and can be
5311 run or moved from there."])
5312 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5313 echo "The application will be fully self-contained."
5315 AS_ECHO(["The lisp resources for the application will be installed under ${prefix}.
5316 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5317 to run if these resources are not installed."])
5322 if test "${opsys}" = "cygwin"; then
5324 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5330 # Remove any trailing slashes in these variables.
5332 */) prefix=`AS_DIRNAME(["$prefix."])`;;
5334 case $exec_prefix in
5335 */) exec_prefix=`AS_DIRNAME(["$exec_prefix."])`;;
5338 if test "$HAVE_NS" = "yes"; then
5339 if test "$NS_IMPL_GNUSTEP" = yes; then
5340 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5341 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5342 ns_check_file=Resources/Info-gnustep.plist
5344 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5345 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5346 ns_check_file=Contents/Info.plist
5348 AC_SUBST(ns_check_file)
5351 dnl config.status treats $srcdir specially, so I think this is ok...
5352 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5354 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5355 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5356 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5357 dnl (else you get "no 'Makefile.am' found for any configure output").
5358 dnl This will work, but you get a config.status that is not quite right
5359 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5360 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5361 dnl it seems better to just live with the duplication.
5362 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5364 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5365 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5366 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5367 leim/Makefile nextstep/Makefile nt/Makefile])
5369 dnl test/ is not present in release tarfiles.
5370 opt_makefile=test/Makefile
5372 if test -f "$srcdir/$opt_makefile.in"; then
5373 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5374 dnl Again, it's best not to use a variable. Though you can add
5375 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5376 AC_CONFIG_FILES([test/Makefile])
5380 dnl The admin/ directory used to be excluded from tarfiles.
5381 if test -d $srcdir/admin; then
5382 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/charsets/Makefile admin/unidata/Makefile admin/grammars/Makefile"
5383 AC_CONFIG_FILES([admin/charsets/Makefile])
5384 AC_CONFIG_FILES([admin/unidata/Makefile])
5385 AC_CONFIG_FILES([admin/grammars/Makefile])
5389 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5391 AC_SUBST(SUBDIR_MAKEFILES_IN)
5393 dnl You might wonder (I did) why epaths.h is generated by running make,
5394 dnl rather than just letting configure generate it from epaths.in.
5395 dnl One reason is that the various paths are not fully expanded (see above);
5396 dnl eg gamedir=${prefix}/var/games/emacs.
5397 dnl Secondly, the GNU Coding standards require that one should be able
5398 dnl to run 'make prefix=/some/where/else' and override the values set
5399 dnl by configure. This also explains the 'move-if-change' test and
5400 dnl the use of force in the 'epaths-force' rule in Makefile.in.
5401 AC_CONFIG_COMMANDS([src/epaths.h], [
5402 if test "${opsys}" = "mingw32"; then
5403 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5405 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5406 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5407 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5409 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5410 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5412 AC_CONFIG_COMMANDS([src/.gdbinit], [
5413 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5414 AS_ECHO(["source $ac_abs_top_srcdir/src/.gdbinit"]) > src/.gdbinit
5418 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5419 dnl See comments for etc-refcards-emacsver.tex.
5420 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5421 dnl it is not quite the same. But we are generating in $srcdir.
5422 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5423 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5424 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5427 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5428 dnl then a directory etc/refcards is created in the build directory,
5429 dnl which is probably harmless, but confusing (in out-of-tree builds).
5430 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5431 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5432 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5433 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5434 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5439 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])