1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the 'configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2015 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 25.0.50, bug-gnu-emacs@gnu.org)
28 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
29 dnl and then quoted again for a C string. Separate options with spaces.
30 dnl Add some environment variables, if they were passed via the environment
31 dnl rather than on the command-line.
34 dnl This is the documented way to record the args passed to configure,
35 dnl rather than $ac_configure_args.
36 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
38 -n | --no-create | --no-recursion)
40 CFLAGS | CPPFLAGS | LDFLAGS)
41 eval 'test "${'$opt'+set}" = set' || continue
43 *" $opt="*) continue ;;
45 eval opt=$opt=\$$opt ;;
48 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
50 *[["$emacs_shell_specials"]]*)
53 emacs_quote_apostrophes="s/'/'\\\\''/g"
54 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
59 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
60 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
63 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
67 AC_CONFIG_HEADERS(src/config.h:src/config.in)
68 AC_CONFIG_SRCDIR(src/lisp.h)
69 AC_CONFIG_AUX_DIR(build-aux)
70 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
71 dnl With older versions this is a no-op.
72 AC_CONFIG_MACRO_DIR(m4)
75 AC_CHECK_PROGS(XCRUN, [xcrun])
76 if test -n "$XCRUN"; then
77 if test -z "$MAKE"; then
78 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
79 dnl the usual MAKE variable that 'make' itself uses.
80 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
81 if test -z "$MAKE_PROG"; then
84 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
89 dnl GNU Make is required, so don't test for its individual features.
90 am_cv_make_support_nested_variables=yes
91 AC_DEFUN([AC_PROG_MAKE_SET],
93 AC_SUBST([SET_MAKE])])
95 dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
96 [emacs_check_gnu_make ()
98 emacs_makeout=`($1 --version) 2>/dev/null` &&
99 case $emacs_makeout in
100 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
101 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
102 ac_path_MAKE_found=:;;
105 AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
106 [ac_path_MAKE_found=false
107 if test -n "$MAKE"; then
108 emacs_check_gnu_make "$MAKE"
109 ac_cv_path_MAKE=$MAKE
111 emacs_tried_make=false
112 emacs_tried_gmake=false
113 emacs_tried_gnumake=false
114 AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
115 [[emacs_check_gnu_make "$ac_path_MAKE"
116 if $ac_path_MAKE_found; then
117 # Use the fully-qualified program name only if the basename
118 # would not resolve to it.
119 if eval \$emacs_tried_$ac_prog; then
120 ac_cv_path_MAKE=$ac_path_MAKE
122 ac_cv_path_MAKE=$ac_prog
125 eval emacs_tried_$ac_prog=:]])
127 $ac_path_MAKE_found || {
128 AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
129 If you have it installed under another name, configure with 'MAKE=...'.
130 For example, run '$0 MAKE=gnu-make'.]])
132 MAKE=$ac_cv_path_MAKE
135 dnl Fairly arbitrary, older versions might work too.
136 AM_INIT_AUTOMAKE(1.11)
138 dnl Canonicalize the configuration name.
144 if test -z "$host_alias"; then
146 # No --host argument was given to 'configure'; therefore $host
147 # was set to a default value based on the build platform. But
148 # this default value may be wrong if we are building from a
149 # 64-bit MSYS[2] pre-configured to build 32-bit MinGW programs.
150 # Therefore, we'll try to get the right host platform from the
153 AC_MSG_CHECKING([the compiler's target])
154 if test -z "$CC"; then
159 cc_target=`$cc -v 2>&1 | sed -n 's/Target: //p'`
163 "") AC_MSG_ERROR([Impossible to obtain $cc compiler target.
164 Please explicitly provide --host.])
166 *) AC_MSG_WARN([Compiler reported non-standard target.
167 Defaulting to $host.])
170 AC_MSG_RESULT([$host])
173 . $srcdir/nt/mingw-cfg.site
177 # srcdir is an absolute path. In this case, force the format
178 # "/c/foo/bar", to simplify later conversions to native Windows
179 # format ("c:/foo/bar").
180 srcdir=`cd "${srcdir}" && pwd -W`
181 # 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612).
182 eval 'srcdir="/${srcdir:0:1}${srcdir:2}"'
188 configuration=${host_alias-${build_alias-$host}}
190 dnl Support for --program-prefix, --program-suffix and
191 dnl --program-transform-name options
194 dnl It is important that variables on the RHS not be expanded here,
195 dnl hence the single quotes. This is per the GNU coding standards, see
196 dnl (autoconf) Installation Directory Variables
197 dnl See also epaths.h below.
198 lispdir='${datadir}/emacs/${version}/lisp'
199 standardlisppath='${lispdir}'
200 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
201 '${datadir}/emacs/site-lisp'
202 lisppath='${locallisppath}:${standardlisppath}'
203 etcdir='${datadir}/emacs/${version}/etc'
204 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
205 etcdocdir='${datadir}/emacs/${version}/etc'
206 gamedir='${localstatedir}/games/emacs'
208 dnl Special option to disable the most of other options.
210 [AS_HELP_STRING([--without-all],
211 [omit almost all features and build
212 small executable with minimal dependencies])],
213 [with_features=$withval],
216 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
217 dnl Create a new --with option that defaults to being disabled.
218 dnl NAME is the base name of the option. The shell variable with_NAME
219 dnl will be set to either the user's value (if the option is
220 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
221 dnl option is not specified). Note that the shell variable name is
222 dnl constructed as autoconf does, by replacing non-alphanumeric
223 dnl characters with "_".
224 dnl HELP-STRING is the help text for the option.
225 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
226 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
227 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
230 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
231 dnl Create a new --with option that defaults to $with_features.
232 dnl NAME is the base name of the option. The shell variable with_NAME
233 dnl will be set either to 'no' (for a plain --without-NAME) or to
234 dnl 'yes' (if the option is not specified). Note that the shell
235 dnl variable name is constructed as autoconf does, by replacing
236 dnl non-alphanumeric characters with "_".
237 dnl HELP-STRING is the help text for the option.
238 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
239 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
240 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
243 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
244 if test "$with_pop" = yes; then
245 AC_DEFINE(MAIL_USE_POP)
247 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
249 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
250 if test "$with_kerberos" != no; then
253 AH_TEMPLATE(KERBEROS,
254 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
256 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
257 if test "${with_kerberos5}" != no; then
258 if test "${with_kerberos}" = no; then
262 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
265 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
266 dnl FIXME hesiod support may not be present, so it seems like an error
267 dnl to define, or at least use, this unconditionally.
268 if test "$with_hesiod" != no; then
269 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
272 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
273 if test "$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=$withval' is invalid;
311 this option's value should be 'yes', 'no', 'lucid', 'athena', 'motif', 'gtk',
312 'gtk2' or 'gtk3'. 'yes' and 'gtk' are synonyms.
313 'athena' and 'lucid' are synonyms.])
319 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
320 if test "$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=${with_xpm+set}
327 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
328 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
329 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
330 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
331 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
332 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
333 OPTION_DEFAULT_OFF([cairo],[compile with Cairo drawing])
334 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
335 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
337 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
338 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
339 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
341 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
342 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
343 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
344 AC_ARG_WITH([ns],[AS_HELP_STRING([--with-ns],
345 [use Nextstep (OS X Cocoa or GNUstep) windowing system.
346 On by default on Mac OS X.])],[],[with_ns=maybe])
347 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
349 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
350 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
351 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
352 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
353 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
354 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
355 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
357 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
358 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
359 [ case "${withval}" in
360 y | ye | yes ) val=yes ;;
362 g | gf | gfi | gfil | gfile ) val=gfile ;;
363 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
364 w | w3 | w32 ) val=w32 ;;
365 * ) AC_MSG_ERROR(['--with-file-notification=$withval' is invalid;
366 this option's value should be 'yes', 'no', 'gfile', 'inotify' or 'w32'.
367 'yes' is a synonym for 'w32' on MS-Windows, for 'no' on Nextstep,
368 otherwise for the first of 'inotify' or 'gfile' that is usable.])
371 with_file_notification=$val
373 [with_file_notification=$with_features])
375 ## For the times when you want to build Emacs but don't have
376 ## a suitable makeinfo, and can live without the manuals.
377 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
378 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
380 ## This might be a 'configure' arg.
381 AC_SUBST([ACLOCAL_PATH])
383 ## Makefile.in needs the cache file name.
386 ## This is an option because I do not know if all info/man support
387 ## compressed files, nor how to test if they do so.
388 OPTION_DEFAULT_ON([compress-install],
389 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
390 make GZIP_PROG= install])
392 AC_ARG_WITH(gameuser,dnl
393 [AS_HELP_STRING([--with-gameuser=USER_OR_GROUP],
394 [user for shared game score files.
395 An argument prefixed by ':' specifies a group instead.])])
398 # We don't test if we can actually chown/chgrp here, because configure
399 # may run without root privileges. lib-src/Makefile.in will handle
400 # any errors due to missing user/group gracefully.
401 case ${with_gameuser} in
403 "" | yes) gamegroup=games ;;
404 :*) gamegroup=`echo "${with_gameuser}" | sed -e "s/://"` ;;
405 *) gameuser=${with_gameuser} ;;
408 AC_ARG_WITH([gnustep-conf],dnl
409 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
410 [name of GNUstep configuration file to use on systems where the command
411 'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or
412 /etc/GNUstep/GNUstep.conf])])
413 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
414 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
415 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
416 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
418 AC_ARG_ENABLE(ns-self-contained,
419 [AS_HELP_STRING([--disable-ns-self-contained],
420 [disable self contained build under NeXTstep])],
421 EN_NS_SELF_CONTAINED=$enableval,
422 EN_NS_SELF_CONTAINED=yes)
425 AC_ARG_ENABLE(locallisppath,
426 [AS_HELP_STRING([--enable-locallisppath=PATH],
427 [directories Emacs should search for lisp files specific
429 if test "${enableval}" = "no"; then
431 elif test "${enableval}" != "yes"; then
432 locallisppath=${enableval} locallisppathset=yes
435 AC_ARG_ENABLE(checking,
436 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
437 [enable expensive run-time checks. With LIST,
438 enable only specific categories of checks.
439 Categories are: all,yes,no.
440 Flags are: stringbytes, stringoverrun, stringfreelist,
441 xmallocoverrun, conslist, glyphs])],
442 [ac_checking_flags="${enableval}"],[])
443 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
444 for check in $ac_checking_flags
447 # these set all the flags to specific states
448 yes) ac_enable_checking=1 ;;
449 no) ac_enable_checking= ;
450 ac_gc_check_stringbytes= ;
451 ac_gc_check_string_overrun= ;
452 ac_gc_check_string_free_list= ;
453 ac_xmalloc_overrun= ;
454 ac_gc_check_cons_list= ;
456 all) ac_enable_checking=1 ;
457 ac_gc_check_stringbytes=1 ;
458 ac_gc_check_string_overrun=1 ;
459 ac_gc_check_string_free_list=1 ;
460 ac_xmalloc_overrun=1 ;
461 ac_gc_check_cons_list=1 ;
463 # these enable particular checks
464 stringbytes) ac_gc_check_stringbytes=1 ;;
465 stringoverrun) ac_gc_check_string_overrun=1 ;;
466 stringfreelist) ac_gc_check_string_free_list=1 ;;
467 xmallocoverrun) ac_xmalloc_overrun=1 ;;
468 conslist) ac_gc_check_cons_list=1 ;;
469 glyphs) ac_glyphs_debug=1 ;;
470 *) AC_MSG_ERROR(unknown check category $check) ;;
475 if test x$ac_enable_checking != x ; then
476 AC_DEFINE(ENABLE_CHECKING, 1,
477 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
479 if test x$ac_gc_check_stringbytes != x ; then
480 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
481 [Define this temporarily to hunt a bug. If defined, the size of
482 strings is redundantly recorded in sdata structures so that it can
483 be compared to the sizes recorded in Lisp strings.])
485 if test x$ac_gc_check_string_overrun != x ; then
486 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
487 [Define this to check for short string overrun.])
489 if test x$ac_gc_check_string_free_list != x ; then
490 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
491 [Define this to check the string free list.])
493 if test x$ac_xmalloc_overrun != x ; then
494 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
495 [Define this to check for malloc buffer overrun.])
497 if test x$ac_gc_check_cons_list != x ; then
498 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
499 [Define this to check for errors in cons list.])
501 if test x$ac_glyphs_debug != x ; then
502 AC_DEFINE(GLYPH_DEBUG, 1,
503 [Define this to enable glyphs debugging code.])
506 AC_ARG_ENABLE(check-lisp-object-type,
507 [AS_HELP_STRING([--enable-check-lisp-object-type],
508 [enable compile time checks for the Lisp_Object data type.
509 This is useful for development for catching certain types of bugs.])],
510 if test "${enableval}" != "no"; then
511 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
512 [Define this to enable compile time checks for the Lisp_Object data type.])
516 dnl The name of this option is unfortunate. It predates, and has no
517 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
518 dnl Actually, it stops it working.
519 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
520 AC_ARG_ENABLE(profiling,
521 [AS_HELP_STRING([--enable-profiling],
522 [build emacs with low-level, gprof profiling support.
523 Mainly useful for debugging Emacs itself. May not work on
524 all platforms. Stops profiler.el working.])],
525 [ac_enable_profiling="${enableval}"],[])
526 if test x$ac_enable_profiling != x ; then
527 PROFILING_CFLAGS="-DPROFILING=1 -pg"
531 AC_SUBST(PROFILING_CFLAGS)
533 AC_ARG_ENABLE(autodepend,
534 [AS_HELP_STRING([--enable-autodepend],
535 [automatically generate dependencies to .h-files.
536 Requires gcc, enabled if found.])],
537 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
539 AC_ARG_ENABLE(gtk-deprecation-warnings,
540 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
541 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
542 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
544 dnl This used to use changequote, but, apart from 'changequote is evil'
545 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
546 dnl the great gob of text. Thus it's not processed for possible expansion.
547 dnl Just make sure the brackets remain balanced.
549 dnl Since Emacs can't find matching pairs of quotes, boundaries are
550 dnl indicated by comments.
554 ### If you add support for a new configuration, add code to this
555 ### switch statement to recognize your configuration name and select
556 ### the appropriate opsys.
558 ### As far as handling version numbers on operating systems is
559 ### concerned, make sure things will fail in a fixable way. If
560 ### /etc/MACHINES doesn't say anything about version numbers, be
561 ### prepared to handle anything reasonably. If version numbers
562 ### matter, be sure /etc/MACHINES says something about it.
565 case "${canonical}" in
567 ## GNU/Linux and similar ports
582 ## FreeBSD kernel + glibc based userland
593 *-*-openbsd* | *-*-mirbsd* )
597 ## Apple Darwin / Mac OS X
599 case "${canonical}" in
600 *-apple-darwin[0-9].*) unported=yes ;;
601 i[3456]86-* | x86_64-* ) ;;
605 ## Use fink packages if available.
606 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
607 ## if test -d /sw/include && test -d /sw/lib; then
608 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
609 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
613 ## Chromium Native Client
623 ## HP 9000 series 700 and 800, running HP/UX
627 hppa*-hp-hpux1[1-9]* )
629 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
633 rs6000-ibm-aix4.[23]* )
636 powerpc-ibm-aix4.[23]* )
639 rs6000-ibm-aix[56]* )
642 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
646 ## Silicon Graphics machines
650 # Without defining _LANGUAGE_C, things get masked out in the headers
651 # so that, for instance, grepping for 'free' in stdlib.h fails and
652 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
653 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
658 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
659 | x86_64-*-solaris2* | x86_64-*-sunos5*)
660 case "${canonical}" in
662 amd64-*-*|x86_64-*-*) ;;
666 case "${canonical}" in
667 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
669 emacs_check_sunpro_c=yes
671 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
672 ## Note that Emacs 23.1's NEWS said the following would be dropped.
673 *-sunos5.6* | *-solaris2.6* )
677 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
678 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
680 emacs_check_sunpro_c=yes
683 ## Watch out for a compiler that we know will not work.
684 case "${canonical}" in
685 *-solaris* | *-sunos5* )
686 if [ "x$CC" = x/usr/ucb/cc ]; then
687 ## /usr/ucb/cc doesn't work;
688 ## we should find some other compiler that does work.
696 ## Intel 386 machines where we don't care about the manufacturer.
698 case "${canonical}" in
699 *-darwin* ) opsys=darwin ;;
702 # MinGW overrides and adds some system headers in nt/inc.
703 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
705 *-sysv4.2uw* ) opsys=unixware ;;
706 *-sysv5uw* ) opsys=unixware ;;
707 *-sysv5OpenUNIX* ) opsys=unixware ;;
708 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
714 case "${canonical}" in
717 # MinGW overrides and adds some system headers in nt/inc.
718 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
720 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
729 ### If the code above didn't choose an operating system, just choose
730 ### an operating system based on the configuration name. You really
731 ### only want to use this when you have no idea what the right
732 ### operating system is; if you know what operating systems a machine
733 ### runs, it's cleaner to make it explicit in the case statement
735 if test x"${opsys}" = x; then
736 case "${canonical}" in
737 *-gnu* ) opsys=gnu ;;
747 if test $unported = yes; then
748 AC_MSG_ERROR([Emacs does not support '${canonical}' systems.
749 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
750 Check 'etc/MACHINES' for recognized configuration names.])
753 #### Choose a compiler.
755 dnl Don't bother to test for C89.
756 AC_DEFUN([_AC_PROG_CC_C89], [$2])
758 dnl Sets GCC=yes if using gcc.
759 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
760 if test -n "$XCRUN"; then
761 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
762 test -n "$AR" && export AR
765 dnl Emacs needs C99 or later.
770 if test x$GCC = xyes; then
771 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
773 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
776 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
777 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
778 dnl that clash with MinGW.
779 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
781 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
782 AC_DEFUN([gl_CRYPTO_CHECK])
783 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
784 # as we don't use them.
785 AC_DEFUN([gl_FCNTL_O_FLAGS])
786 # Avoid gnulib's test for pthread_sigmask.
788 for func in $ac_func_list; do
789 test $func = pthread_sigmask || AS_VAR_APPEND([funcs], [" $func"])
792 # Use the system putenv even if it lacks GNU features, as we don't need them,
793 # and the gnulib replacement runs afoul of a FreeBSD 10.1 bug; see Bug#19874.
794 AC_CHECK_FUNCS_ONCE([putenv])
795 AC_DEFUN([gl_FUNC_PUTENV],
796 [test "$ac_cv_func_putenv" = yes || REPLACE_PUTENV=1])
798 # Initialize gnulib right after choosing the compiler.
799 dnl Amongst other things, this sets AR and ARFLAGS.
802 if test "$ac_test_CFLAGS" != set; then
803 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
804 # if -g3 works and the user does not specify CFLAGS.
805 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
808 emacs_g3_CFLAGS='-g3';;
810 emacs_g3_CFLAGS='-g3 -O2';;
814 if test -n "$emacs_g3_CFLAGS"; then
815 emacs_save_CFLAGS=$CFLAGS
816 CFLAGS=$emacs_g3_CFLAGS
817 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
818 [emacs_cv_prog_cc_g3],
819 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
820 [emacs_cv_prog_cc_g3=yes],
821 [emacs_cv_prog_cc_g3=no])])
822 if test $emacs_cv_prog_cc_g3 != yes; then
823 CFLAGS=$emacs_save_CFLAGS
825 if test $opsys = mingw32; then
826 CFLAGS="$CFLAGS -gdwarf-2"
833 # No optimization flag was inferred for this non-GCC compiler.
834 # Try -O. This is needed for xlc on AIX; see Bug#14258.
835 emacs_save_CFLAGS=$CFLAGS
836 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
838 AC_CACHE_CHECK([whether $CC accepts -O],
839 [emacs_cv_prog_cc_o],
840 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
841 [emacs_cv_prog_cc_o=yes],
842 [emacs_cv_prog_cc_o=no])])
843 if test $emacs_cv_prog_cc_o != yes; then
844 CFLAGS=$emacs_save_CFLAGS
849 AC_ARG_ENABLE([gcc-warnings],
850 [AS_HELP_STRING([--enable-gcc-warnings],
851 [turn on lots of GCC warnings/errors. This is intended for
852 developers, and may generate false alarms when used
853 with older or non-GNU development tools.])],
856 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
858 gl_gcc_warnings=$enableval],
862 # clang is unduly picky about some things.
863 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
870 [emacs_cv_clang=yes],
871 [emacs_cv_clang=no])])
873 # When compiling with GCC, prefer -isystem to -I when including system
874 # include files, to avoid generating useless diagnostics for the files.
875 if test "$gl_gcc_warnings" != yes; then
877 if test "$emacs_cv_clang" = yes
879 # Turn off some warnings if supported.
880 gl_WARN_ADD([-Wno-switch])
881 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
882 gl_WARN_ADD([-Wno-pointer-sign])
883 gl_WARN_ADD([-Wno-string-plus-int])
884 gl_WARN_ADD([-Wno-unknown-attributes])
889 # This, $nw, is the list of warnings we disable.
892 case $with_x_toolkit in
893 lucid | athena | motif)
894 # Old toolkits mishandle 'const'.
895 nw="$nw -Wwrite-strings"
898 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
901 AC_SUBST([WERROR_CFLAGS])
903 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
904 nw="$nw -Woverlength-strings" # Not a problem these days
905 nw="$nw -Wformat-nonliteral" # we do this a lot
906 nw="$nw -Wvla" # Emacs uses <vla.h>.
907 nw="$nw -Wswitch-default" # Too many warnings for now
908 nw="$nw -Winline" # OK to ignore 'inline'
909 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
910 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
911 # signed overflow has undefined behavior
912 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
913 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
914 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
916 # Emacs doesn't care about shadowing; see
917 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
920 # Emacs's use of alloca inhibits protecting the stack.
921 nw="$nw -Wstack-protector"
923 # Emacs's use of partly-const functions such as Fgnutls_available_p
924 # make this option problematic.
925 nw="$nw -Wsuggest-attribute=const"
927 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
928 # option problematic.
929 nw="$nw -Wsuggest-attribute=pure"
931 # This part is merely for shortening the command line,
932 # since -Wno-FOO needs to be added below regardless.
933 nw="$nw -Wmissing-field-initializers"
935 nw="$nw -Wtype-limits"
936 nw="$nw -Wunused-parameter"
938 if test $emacs_cv_clang = yes; then
939 nw="$nw -Wcast-align"
942 gl_MANYWARN_ALL_GCC([ws])
943 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
947 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
948 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
949 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
950 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
951 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
952 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
953 gl_WARN_ADD([-Wno-format-nonliteral])
955 # More things that clang is unduly picky about.
956 if test $emacs_cv_clang = yes; then
957 gl_WARN_ADD([-Wno-format-extra-args])
958 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
959 gl_WARN_ADD([-Wno-unused-command-line-argument])
960 gl_WARN_ADD([-Wno-unused-value])
963 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
964 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
965 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
966 [/* Enable compile-time and run-time bounds-checking, and some warnings,
967 without upsetting glibc 2.15+. */
968 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
969 && defined __OPTIMIZE__ && __OPTIMIZE__)
970 # define _FORTIFY_SOURCE 2
974 # We use a slightly smaller set of warning options for lib/.
975 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
977 nw="$nw -Wunused-macros"
979 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
980 AC_SUBST([GNULIB_WARN_CFLAGS])
990 AC_ARG_ENABLE(link-time-optimization,
991 [AS_HELP_STRING([--enable-link-time-optimization],
992 [build emacs with link-time optimization.
993 This requires GCC 4.5.0 or later, or clang.
994 (Note that clang support is experimental - see INSTALL.)
995 It also makes Emacs harder to debug, and when we tried it
996 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
997 recommended for typical use.])],
998 if test "${enableval}" != "no"; then
1000 if test $emacs_cv_clang = yes; then
1001 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
1002 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
1003 if test -x "$GOLD_PLUGIN"; then
1006 elif test x$GCC = xyes; then
1007 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
1008 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
1009 if test x$CPUS != x; then
1015 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1017 if test -z "$LTO"; then
1021 CFLAGS="$CFLAGS $LTO"
1022 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1023 [ac_lto_supported=yes], [ac_lto_supported=no])
1024 CFLAGS="$old_CFLAGS"
1026 AC_MSG_RESULT([$ac_lto_supported])
1027 if test "$ac_lto_supported" = "yes"; then
1028 CFLAGS="$CFLAGS $LTO"
1029 if test x$emacs_cv_clang = xyes; then
1030 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1031 # WARNING: 'ar --plugin ...' doesn't work without
1032 # command, so plugin name is appended to ARFLAGS.
1033 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1034 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1036 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1037 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1038 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1039 dnl dump core on Fedora 20, so play it safe for now.
1040 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1041 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1046 dnl Prefer silent make output. For verbose output, use
1047 dnl 'configure --disable-silent-rules' or 'make V=1' .
1048 AM_SILENT_RULES([yes])
1049 dnl Port to Automake 1.11.
1050 dnl This section can be removed once we assume Automake 1.14 or later.
1051 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1052 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1054 AM_SUBST_NOTMAKE([AM_V])
1055 AC_SUBST([AM_DEFAULT_V])
1056 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1057 AC_SUBST([AM_DEFAULT_VERBOSITY])
1059 dnl Some other nice autoconf tests.
1060 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1063 dnl if test "x$RANLIB" = x; then
1068 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1069 dnl can be made to directories. This is not relevant for our usage, and
1070 dnl excludes some cases that work fine for us. Eg MS Windows or files
1071 dnl hosted on AFS, both examples where simple links work, but links to
1072 dnl directories fail. We use a cut-down version instead.
1075 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1076 rm -f conf$$ conf$$.file
1078 LN_S_FILEONLY='cp -p'
1080 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1081 dnl random program in the current directory.
1082 if (echo >conf$$.file) 2>/dev/null; then
1083 if ln -s conf$$.file conf$$ 2>/dev/null; then
1084 if test "$opsys" = "mingw32"; then
1085 LN_S_FILEONLY='/bin/ln -s'
1087 LN_S_FILEONLY='ln -s'
1089 elif ln conf$$.file conf$$ 2>/dev/null; then
1090 if test "$opsys" = "mingw32"; then
1091 LN_S_FILEONLY=/bin/ln
1098 rm -f conf$$ conf$$.file
1100 if test "$LN_S_FILEONLY" = "ln -s"; then
1101 AC_MSG_RESULT([yes])
1103 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1106 AC_SUBST(LN_S_FILEONLY)
1109 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1110 dnl doesn't support links to directories, as in "ln file dir". But that
1111 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1112 dnl executables at "make install" time.
1113 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1114 dnl for more details.
1115 if test "$opsys" = "mingw32"; then
1119 dnl On some Debian versions, "install-info" prints irritating messages
1120 dnl "This is not dpkg install-info anymore, but GNU install-info"
1121 dnl if called via an absolute file name.
1122 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1123 dnl Sadly some people may have an old ginstall-info installed on
1124 dnl non-Debian systems, so we can't use this.
1125 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1126 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1128 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1129 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1130 dnl Don't use GZIP, which is used by gzip for additional parameters.
1131 AC_PATH_PROG(GZIP_PROG, gzip)
1133 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1134 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1136 if test $opsys = gnu-linux; then
1137 AC_PATH_PROG(PAXCTL, paxctl,,
1138 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1139 if test "X$PAXCTL" != X; then
1140 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1141 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1142 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1143 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1146 if test "${SETFATTR+set}" != set; then
1147 AC_CACHE_CHECK([for setfattr],
1148 [emacs_cv_prog_setfattr],
1150 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1151 emacs_cv_prog_setfattr=yes
1153 emacs_cv_prog_setfattr=no
1155 if test "$emacs_cv_prog_setfattr" = yes; then
1161 AC_SUBST([SETFATTR])
1165 ## Need makeinfo >= 4.7 (?) to build the manuals.
1166 if test "$MAKEINFO" != "no"; then
1167 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1170 case `($MAKEINFO --version) 2>/dev/null` in
1171 *' (GNU texinfo) '4.[[7-9]]* | \
1172 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1173 *' (GNU texinfo) '[[5-9]]* | \
1174 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1179 ## Makeinfo is unusual. For a released Emacs, the manuals are
1180 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1181 ## therefore in the category of "special tools" not normally required, which
1182 ## configure does not have to check for (eg autoconf itself).
1183 ## In a repository checkout on the other hand, the manuals are not included.
1184 ## So makeinfo is a requirement to build from the repository, and configure
1185 ## should test for it as it does for any other build requirement.
1186 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1187 ## with pre-built manuals, from a repository checkout.
1190 if test "$MAKEINFO" = "no"; then
1192 if test "x${with_makeinfo}" = "xno"; then
1194 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1195 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1196 source tree does not seem to have pre-built manuals in the 'info' directory.
1197 Either install a suitable version of makeinfo, or re-run configure
1198 with the '--without-makeinfo' option to build without the manuals.] )
1201 AC_SUBST(HAVE_MAKEINFO)
1203 if test $opsys = mingw32; then
1204 DOCMISC_W32=efaq-w32
1208 AC_SUBST(DOCMISC_W32)
1210 dnl Add our options to ac_link now, after it is set up.
1212 if test x$GCC = xyes; then
1213 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1214 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1216 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1217 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1220 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1221 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1222 dnl (Don't use '-z nocombreloc' as -z takes no arg on Irix.)
1223 dnl Treat GCC specially since it just gives a non-fatal 'unrecognized option'
1224 dnl if not built to support GNU ld.
1226 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1227 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1228 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1229 dnl Eg "make LDFLAGS=... all" could run into problems,
1230 dnl http://bugs.debian.org/684788
1231 dnl * unnecessary, since temacs is the only thing that actually needs it.
1232 dnl Indeed this is where it was originally, prior to:
1233 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1234 late_LDFLAGS="$LDFLAGS"
1235 if test x$GCC = xyes; then
1236 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1238 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1241 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1243 AC_MSG_CHECKING([for -znocombreloc])
1244 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1245 [AC_MSG_RESULT(yes)],
1246 LDFLAGS_NOCOMBRELOC=
1247 [AC_MSG_RESULT(no)])
1249 LDFLAGS="$late_LDFLAGS"
1251 AC_CACHE_CHECK([whether addresses are sanitized],
1252 [emacs_cv_sanitize_address],
1255 [[#ifndef __has_feature
1256 #define __has_feature(f) 0
1258 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1260 error "Addresses are not sanitized.";
1263 [emacs_cv_sanitize_address=yes],
1264 [emacs_cv_sanitize_address=no])])
1266 dnl The function dump-emacs will not be defined and temacs will do
1267 dnl (load "loadup") automatically unless told otherwise.
1268 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1270 nacl) CANNOT_DUMP=yes ;;
1273 if test "$CANNOT_DUMP" = "yes"; then
1274 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1275 elif test "$emacs_cv_sanitize_address" = yes; then
1276 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1279 AC_SUBST(CANNOT_DUMP)
1282 UNEXEC_OBJ=unexelf.o
1284 # MSDOS uses unexcoff.o
1286 UNEXEC_OBJ=unexaix.o
1292 UNEXEC_OBJ=unexmacosx.o
1295 UNEXEC_OBJ=unexhp9k800.o
1298 UNEXEC_OBJ=unexw32.o
1301 # Use the Solaris dldump() function, called from unexsol.c, to dump
1302 # emacs, instead of the generic ELF dump code found in unexelf.c.
1303 # The resulting binary has a complete symbol table, and is better
1304 # for debugging and other observability tools (debuggers, pstack, etc).
1306 # If you encounter a problem using dldump(), please consider sending
1307 # a message to the OpenSolaris tools-linking mailing list:
1308 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1310 # It is likely that dldump() works with older Solaris too, but this has
1311 # not been tested, so for now this change is for Solaris 10 or newer.
1312 UNEXEC_OBJ=unexsol.o
1319 ## Let 'ld' find image libs and similar things in /usr/local/lib.
1320 ## The system compiler, GCC, has apparently been modified to not
1321 ## look there, contrary to what a stock GCC would do.
1322 ### It's not our place to do this. See bug#10313#17.
1323 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1328 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1329 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1333 ### It's not our place to do this. See bug#10313#17.
1334 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1339 ## Han Boetes <han@boetes.org> says this is necessary,
1340 ## otherwise Emacs dumps core on elf systems.
1341 LD_SWITCH_SYSTEM="-Z"
1344 AC_SUBST(LD_SWITCH_SYSTEM)
1346 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1348 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1349 ## which has not been defined yet. When this was handled with cpp,
1350 ## it was expanded to null when configure sourced the s/*.h file.
1351 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1352 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1353 ## (or somesuch), but because it is supposed to go at the _front_
1354 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1355 ## Compare with the gnu-linux case below, which added to the end
1356 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1357 ## LD_SWITCH_SYSTEM_TEMACS.
1360 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1367 AC_CHECK_DECL([__ELF__])
1368 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1369 ## With ELF, make sure that all common symbols get allocated to in the
1370 ## data section. Otherwise, the dump of temacs may miss variables in
1371 ## the shared library that have been initialized. For example, with
1372 ## GNU libc, __malloc_initialized would normally be resolved to the
1373 ## shared library's .bss section, which is fatal.
1374 if test "x$GCC" = "xyes"; then
1375 C_SWITCH_MACHINE="-fno-common"
1377 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1380 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1381 dnl albeit under the mistaken assumption that said file
1382 dnl was no longer used.
1383 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1387 AC_SUBST(C_SWITCH_MACHINE)
1389 AC_SUBST(UNEXEC_OBJ)
1392 ## Some programs in src produce warnings saying certain subprograms
1393 ## are too complex and need a MAXMEM value greater than 2000 for
1394 ## additional optimization. --nils@exp-math.uni-essen.de
1395 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1396 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1397 if test "$opsys" = "mingw32"; then
1398 case "$canonical" in
1399 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1400 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1403 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1404 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1405 AC_SUBST(C_SWITCH_SYSTEM)
1410 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1411 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1413 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1415 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1417 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1419 ## Motif needs -lgen.
1420 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1423 AC_SUBST(LIBS_SYSTEM)
1425 ### Make sure subsequent tests use flags consistent with the build flags.
1427 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1428 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1430 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1433 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1434 AC_DEFUN([AC_TYPE_SIZE_T])
1435 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1436 AC_DEFUN([AC_TYPE_UID_T])
1438 # sqrt and other floating-point functions such as fmod and frexp
1439 # are found in -lm on many systems.
1441 AC_SEARCH_LIBS([sqrt], [m])
1442 if test "X$LIBS" = "X$OLD_LIBS"; then
1445 LIB_MATH=$ac_cv_search_sqrt
1449 dnl Current possibilities handled by sed (aix4-2 -> aix,
1450 dnl gnu-linux -> gnu/linux, etc.):
1451 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1452 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1453 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1460 ## Adding -lm confuses the dynamic linker, so omit it.
1463 freebsd | dragonfly )
1464 SYSTEM_TYPE=berkeley-unix
1466 gnu-linux | gnu-kfreebsd )
1468 hpux10-20 | hpux11 )
1472 SYSTEM_TYPE=windows-nt
1474 dnl NB this may be adjusted below.
1476 SYSTEM_TYPE=berkeley-unix
1480 SYSTEM_TYPE=usg-unix-v
1486 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1487 [The type of system you are compiling for; sets 'system-type'.])
1490 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1491 pre_PKG_CONFIG_LIBS=$LIBS
1493 PKG_PROG_PKG_CONFIG(0.9.0)
1495 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1496 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1497 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1498 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1499 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1500 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1502 AC_DEFUN([EMACS_CHECK_MODULES],
1503 [PKG_CHECK_MODULES([$1], [$2],
1504 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1505 m4_default([$3], [HAVE_$1=yes])],
1506 [m4_default([$4], [HAVE_$1=no])])])
1509 if test "${with_sound}" != "no"; then
1510 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1511 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1512 have_sound_header=yes, [], [
1514 #define WIN32_LEAN_AND_MEAN
1515 #include <windows.h>
1518 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1519 AC_MSG_ERROR([OSS sound support requested but not found.])
1521 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1522 # Emulation library used on NetBSD.
1523 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1524 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1525 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1526 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1527 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1531 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1533 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1534 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1535 if test $HAVE_ALSA = yes; then
1536 SAVE_CFLAGS="$CFLAGS"
1538 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1539 LIBS="$ALSA_LIBS $LIBS"
1540 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1541 emacs_alsa_normal=yes,
1542 emacs_alsa_normal=no)
1543 if test "$emacs_alsa_normal" != yes; then
1544 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1545 [[snd_lib_error_set_handler (0);]])],
1546 emacs_alsa_subdir=yes,
1547 emacs_alsa_subdir=no)
1548 if test "$emacs_alsa_subdir" != yes; then
1549 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1551 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1554 CFLAGS="$SAVE_CFLAGS"
1556 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1557 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1558 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1559 elif test "${with_sound}" = "alsa"; then
1560 AC_MSG_ERROR([ALSA sound support requested but not found.])
1562 fi dnl with_sound = alsa|yes
1564 dnl Define HAVE_SOUND if we have sound support. We know it works and
1565 dnl compiles only on the specified platforms. For others, it
1566 dnl probably doesn't make sense to try.
1567 dnl FIXME So surely we should bypass this whole section if not using
1568 dnl one of these platforms?
1569 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1571 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1572 dnl Adjust the --with-sound help text if you change this.
1573 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1574 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1580 AC_SUBST(CFLAGS_SOUND)
1583 dnl checks for header files
1584 AC_CHECK_HEADERS_ONCE(
1590 sys/utsname.h pwd.h utmp.h util.h)
1592 AC_MSG_CHECKING(if personality LINUX32 can be set)
1593 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1594 emacs_cv_personality_linux32=yes,
1595 emacs_cv_personality_linux32=no)
1596 AC_MSG_RESULT($emacs_cv_personality_linux32)
1598 if test $emacs_cv_personality_linux32 = yes; then
1599 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1600 [Define to 1 if personality LINUX32 can be set.])
1603 # Note that Solaris has sys/sysinfo.h which defines struct
1604 # sysinfo as well. To make sure that we're using GNU/Linux
1605 # sysinfo, we explicitly set one of its fields.
1606 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1607 AC_MSG_CHECKING([if Linux sysinfo may be used])
1608 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1609 [[struct sysinfo si;
1612 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1613 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1614 if test $emacs_cv_linux_sysinfo = yes; then
1615 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1616 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1617 [[struct sysinfo si; return si.mem_unit]])],
1618 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1619 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1623 dnl On Solaris 8 there's a compilation warning for term.h because
1624 dnl it doesn't define 'bool'.
1625 AC_CHECK_HEADERS(term.h, , , -)
1627 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1629 if test $ac_cv_have_decl_sys_siglist != yes; then
1630 # For Tru64, at least:
1631 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1636 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1637 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1638 #if HAVE_SYS_SOCKET_H
1639 #include <sys/socket.h>
1641 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1642 #if HAVE_SYS_SOCKET_H
1643 #include <sys/socket.h>
1645 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1646 #if HAVE_SYS_SOCKET_H
1647 #include <sys/socket.h>
1650 dnl checks for structure members
1651 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1652 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1653 struct ifreq.ifr_addr,
1654 struct ifreq.ifr_addr.sa_len], , ,
1655 [AC_INCLUDES_DEFAULT
1656 #if HAVE_SYS_SOCKET_H
1657 #include <sys/socket.h>
1663 dnl Check for endianness.
1664 dnl AC_C_BIGENDIAN is done by gnulib.
1666 dnl check for Make feature
1669 dnl check if we have GCC and autodepend is on.
1670 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1671 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1672 SAVE_CFLAGS="$CFLAGS"
1673 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1674 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1675 CFLAGS="$SAVE_CFLAGS"
1676 test -f deps.d || ac_enable_autodepend=no
1678 AC_MSG_RESULT([$ac_enable_autodepend])
1679 if test $ac_enable_autodepend = yes; then
1683 AC_SUBST(AUTO_DEPEND)
1685 dnl checks for operating system services
1686 AC_SYS_LONG_FILE_NAMES
1688 #### Choose a window system.
1690 ## We leave window_system equal to none if
1691 ## we end up building without one. Any new window system should
1692 ## set window_system to an appropriate value and add objects to
1693 ## window-system-specific substs.
1697 if test "$no_x" != yes; then
1701 LD_SWITCH_X_SITE_RPATH=
1702 if test "${x_libraries}" != NONE; then
1703 if test -n "${x_libraries}"; then
1704 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1705 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1707 x_default_search_path=""
1708 x_search_path=${x_libraries}
1709 if test -z "${x_search_path}"; then
1710 x_search_path=/usr/lib
1712 for x_library in `echo ${x_search_path}: | \
1713 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1715 ${x_library}/X11/%L/%T/%N%C%S:\
1716 ${x_library}/X11/%l/%T/%N%C%S:\
1717 ${x_library}/X11/%T/%N%C%S:\
1718 ${x_library}/X11/%L/%T/%N%S:\
1719 ${x_library}/X11/%l/%T/%N%S:\
1720 ${x_library}/X11/%T/%N%S"
1721 if test x"${x_default_search_path}" = x; then
1722 x_default_search_path=${x_search_path}
1724 x_default_search_path="${x_search_path}:${x_default_search_path}"
1728 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1730 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1731 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1734 if test x"${x_includes}" = x; then
1735 bitmapdir=/usr/include/X11/bitmaps
1737 # accumulate include directories that have X11 bitmap subdirectories
1739 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1740 if test -d "${bmd}/X11/bitmaps"; then
1741 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1743 if test -d "${bmd}/bitmaps"; then
1744 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1747 if test ${bmd_acc} != "dummyval"; then
1748 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1752 test "${with_ns}" = maybe && test "${opsys}" != darwin && with_ns=no
1754 NS_GNUSTEP_CONFIG=no
1757 tmp_CPPFLAGS="$CPPFLAGS"
1758 tmp_CFLAGS="$CFLAGS"
1759 CPPFLAGS="$CPPFLAGS -x objective-c"
1760 CFLAGS="$CFLAGS -x objective-c"
1763 if test "${with_ns}" != no; then
1764 if test "${opsys}" = darwin; then
1766 ns_appdir=`pwd`/nextstep/Emacs.app
1767 ns_appbindir=${ns_appdir}/Contents/MacOS
1768 ns_appresdir=${ns_appdir}/Contents/Resources
1769 ns_appsrc=Cocoa/Emacs.base
1770 ns_fontfile=macfont.o
1771 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1773 NS_GNUSTEP_CONFIG=yes
1774 GNU_OBJC_CFLAGS=$flags
1775 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1776 elif test -f $GNUSTEP_CONFIG_FILE; then
1778 dnl FIXME sourcing this several times in subshells seems inefficient.
1779 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1780 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1781 dnl I seemed to need these as well with GNUstep-startup 0.25.
1782 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1783 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1784 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1785 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1786 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1787 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1788 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1789 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1790 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1791 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1792 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1793 dnl If they had chosen to either define it or not, we could have
1794 dnl just used AC_CHECK_DECL here.
1795 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1796 emacs_cv_objc_exceptions,
1797 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1798 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1802 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1803 if test $emacs_cv_objc_exceptions = yes; then
1804 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1805 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1806 [Define if GNUstep uses ObjC exceptions.])
1807 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1810 if test $NS_IMPL_GNUSTEP = yes; then
1811 ns_appdir=`pwd`/nextstep/Emacs.app
1812 ns_appbindir=${ns_appdir}
1813 ns_appresdir=${ns_appdir}/Resources
1814 ns_appsrc=GNUstep/Emacs.base
1815 ns_fontfile=nsfont.o
1818 dnl This is only used while we test the NS headers, it gets reset below.
1819 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1820 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1822 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1823 [AC_MSG_ERROR([The include files (AppKit/AppKit.h etc) that
1824 are required for a Nextstep build are missing or cannot be compiled.
1825 Either fix this, or re-configure with the option '--without-ns'.])])
1828 if test "${NS_IMPL_COCOA}" = "yes"; then
1829 AC_MSG_CHECKING([for OSX 10.6 or newer])
1830 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1832 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1833 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1836 error "OSX 10.6 or newer required";
1840 ns_osx_have_106=yes,
1842 AC_MSG_RESULT([$ns_osx_have_106])
1844 if test $ns_osx_have_106 = no; then
1845 AC_MSG_ERROR([OSX 10.6 or newer is required]);
1850 AC_SUBST(LIBS_GNUSTEP)
1852 INSTALL_ARCH_INDEP_EXTRA=install-etc
1853 ns_self_contained=no
1856 if test "${HAVE_NS}" = yes; then
1857 if test "$with_toolkit_scroll_bars" = "no"; then
1858 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1861 window_system=nextstep
1862 # set up packaging dirs
1863 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1864 ns_self_contained=yes
1865 prefix=${ns_appresdir}
1866 exec_prefix=${ns_appbindir}
1867 dnl This one isn't really used, only archlibdir is.
1868 libexecdir="\${ns_appbindir}/libexec"
1869 archlibdir="\${ns_appbindir}/libexec"
1870 etcdocdir="\${ns_appresdir}/etc"
1871 etcdir="\${ns_appresdir}/etc"
1872 dnl FIXME maybe set datarootdir instead.
1873 dnl That would also get applications, icons, man.
1874 infodir="\${ns_appresdir}/info"
1875 mandir="\${ns_appresdir}/man"
1876 lispdir="\${ns_appresdir}/lisp"
1877 test "$locallisppathset" = no && locallisppath=""
1878 INSTALL_ARCH_INDEP_EXTRA=
1881 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1883 CFLAGS="$tmp_CFLAGS"
1884 CPPFLAGS="$tmp_CPPFLAGS"
1885 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1886 AC_SUBST(ns_self_contained)
1888 AC_SUBST(NS_OBJC_OBJ)
1899 if test "${with_w32}" != no; then
1902 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1903 [AC_MSG_ERROR(['--with-w32' was specified, but windows.h
1904 cannot be found.])])
1907 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1910 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1915 if test "${opsys}" = "mingw32"; then
1916 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1917 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1918 #include <windows.h>
1919 #include <usp10.h>]],
1920 [[PIMAGE_NT_HEADERS pHeader;
1921 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1922 [emacs_cv_w32api=yes
1925 AC_MSG_RESULT($emacs_cv_w32api)
1926 if test "${emacs_cv_w32api}" = "no"; then
1927 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1938 if test "${HAVE_W32}" = "yes"; then
1939 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1940 if test "$with_toolkit_scroll_bars" = "no"; then
1941 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
1943 AC_CHECK_TOOL(WINDRES, [windres],
1944 [AC_MSG_ERROR([No resource compiler found.])])
1945 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1946 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1947 EMACSRES="emacs.res"
1948 case "$canonical" in
1949 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1950 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1952 dnl Construct something of the form "24,4,0,0" with 4 components.
1953 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1955 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1956 AC_SUBST(comma_version)
1957 AC_SUBST(comma_space_version)
1958 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1959 if test "${opsys}" = "cygwin"; then
1960 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1961 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1962 # Tell the linker that emacs.res is an object (which we compile from
1963 # the rc file), not a linker script.
1964 W32_RES_LINK="-Wl,emacs.res"
1966 UPDATE_MANIFEST=update-game-score.exe.manifest
1967 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1968 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1969 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1970 W32_RES_LINK="\$(EMACSRES)"
1971 CLIENTRES="emacsclient.res"
1972 CLIENTW="emacsclientw\$(EXEEXT)"
1973 FIRSTFILE_OBJ=firstfile.o
1976 LIBS_ECLIENT="-lcomctl32"
1977 LIB_WSOCK32="-lwsock32"
1978 NTLIB="ntlib.$ac_objext"
1979 XARGS_LIMIT="-s 10000"
1985 AC_SUBST(EMACS_MANIFEST)
1986 AC_SUBST(UPDATE_MANIFEST)
1989 AC_SUBST(W32_RES_LINK)
1990 AC_SUBST(FIRSTFILE_OBJ)
1993 AC_SUBST(LIBS_ECLIENT)
1994 AC_SUBST(LIB_WSOCK32)
1996 AC_SUBST(XARGS_LIMIT)
1998 if test "${HAVE_W32}" = "yes"; then
2003 ## $window_system is now set to the window system we will
2006 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
2007 # Too many warnings for now.
2009 nw="$nw -Wsuggest-attribute=noreturn"
2010 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
2012 gl_WARN_ADD([-Wno-unused-variable])
2013 gl_WARN_ADD([-Wno-unused-but-set-variable])
2014 gl_WARN_ADD([-Wno-unused-but-set-parameter])
2022 case "${window_system}" in
2027 case "${with_x_toolkit}" in
2028 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2029 motif ) USE_X_TOOLKIT=MOTIF ;;
2031 term_header=gtkutil.h
2032 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2033 dnl USE_X_TOOLKIT is set.
2034 USE_X_TOOLKIT=none ;;
2035 gtk2 ) with_gtk2=yes
2036 term_header=gtkutil.h
2037 USE_X_TOOLKIT=none ;;
2038 gtk3 ) with_gtk3=yes
2039 term_header=gtkutil.h
2040 USE_X_TOOLKIT=none ;;
2041 no ) USE_X_TOOLKIT=none ;;
2042 dnl If user did not say whether to use a toolkit, make this decision later:
2043 dnl use the toolkit if we have gtk, or X11R5 or newer.
2044 * ) USE_X_TOOLKIT=maybe ;;
2048 term_header=nsterm.h
2051 term_header=w32term.h
2055 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2056 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2057 if test "$HAVE_XSERVER" = true ||
2058 test -n "$DISPLAY" ||
2059 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2060 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2061 were found. You should install the relevant development files for X
2062 and for the toolkit you want, such as Gtk+ or Motif. Also make
2063 sure you have development files for image handling, i.e.
2064 tiff, gif, jpeg, png and xpm.
2065 If you are sure you want Emacs compiled without X window support, pass
2071 # Does the opsystem file prohibit the use of the GNU malloc?
2072 # Assume not, until told otherwise.
2076 [whether malloc is Doug Lea style],
2077 [emacs_cv_var_doug_lea_malloc],
2078 [emacs_cv_var_doug_lea_malloc=no
2079 dnl Hooks do not work with address sanitization.
2080 if test "$emacs_cv_sanitize_address" != yes; then
2083 [[#include <malloc.h>
2084 static void hook (void) {}]],
2085 [[malloc_set_state (malloc_get_state ());
2086 __after_morecore_hook = hook;
2087 __malloc_initialize_hook = hook;]])],
2088 [emacs_cv_var_doug_lea_malloc=yes])])
2090 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2092 system_malloc=$emacs_cv_sanitize_address
2097 ## darwin ld insists on the use of malloc routines in the System framework.
2098 darwin | mingw32 | nacl | sol2-10) system_malloc=yes ;;
2099 cygwin) hybrid_malloc=yes;;
2103 if test "${system_malloc}" = "yes"; then
2104 AC_DEFINE([SYSTEM_MALLOC], 1,
2105 [Define to 1 to use the system memory allocator, even if it is not
2109 (The GNU allocators don't work with this system configuration.)"
2111 elif test "$hybrid_malloc" = yes; then
2112 AC_DEFINE(HYBRID_MALLOC, 1,
2113 [Define to use gmalloc before dumping and the system malloc after.])
2115 GNU_MALLOC_reason="only before dumping"
2116 GMALLOC_OBJ=gmalloc.o
2119 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2120 VMLIMIT_OBJ=vm-limit.o
2122 AC_CHECK_HEADERS([sys/vlimit.h])
2123 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2126 [[extern char data_start[]; char ch;]],
2127 [[return data_start < &ch;]])],
2128 [emacs_cv_data_start=yes],
2129 [emacs_cv_data_start=no])])
2130 if test $emacs_cv_data_start = yes; then
2131 AC_DEFINE([HAVE_DATA_START], 1,
2132 [Define to 1 if data_start is the address of the start
2133 of the main data segment.])
2136 AC_SUBST(GMALLOC_OBJ)
2137 AC_SUBST(VMLIMIT_OBJ)
2139 if test "$doug_lea_malloc" = "yes" ; then
2140 if test "$GNU_MALLOC" = yes ; then
2142 (Using Doug Lea's new malloc from the GNU C Library.)"
2144 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2145 [Define to 1 if the system memory allocator is Doug Lea style,
2146 with malloc hooks and malloc_set_state.])
2148 ## Use mmap directly for allocating larger buffers.
2149 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2150 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2151 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2153 mingw32|gnu*) REL_ALLOC=no ;;
2157 if test x"${REL_ALLOC}" = x; then
2158 REL_ALLOC=${GNU_MALLOC}
2161 use_mmap_for_buffers=no
2163 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2167 if test $use_mmap_for_buffers = yes; then
2168 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2172 LIBS="$LIBS_SYSTEM $LIBS"
2174 dnl FIXME replace main with a function we actually want from this library.
2175 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2177 dnl Check for the POSIX thread library.
2179 AC_CHECK_HEADERS_ONCE(pthread.h)
2180 if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then
2181 AC_CACHE_CHECK([for pthread library],
2182 [emacs_cv_pthread_lib],
2183 [emacs_cv_pthread_lib=no
2184 OLD_CPPFLAGS=$CPPFLAGS
2186 for emacs_pthread_lib in 'none needed' -lpthread; do
2187 case $emacs_pthread_lib in
2188 -*) LIBS="$OLD_LIBS $emacs_pthread_lib";;
2192 [[#include <pthread.h>
2194 sigset_t old_mask, new_mask;
2195 void noop (void) {}]],
2196 [[pthread_t th = pthread_self ();
2198 status += pthread_create (&th, 0, 0, 0);
2199 status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask);
2200 status += pthread_kill (th, 0);
2201 #if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \
2202 || defined DOUG_LEA_MALLOC)
2203 /* Test for pthread_atfork only if gmalloc uses it,
2204 as older-style hosts like MirBSD 10 lack it. */
2205 status += pthread_atfork (noop, noop, noop);
2208 [emacs_cv_pthread_lib=$emacs_pthread_lib])
2210 if test "$emacs_cv_pthread_lib" != no; then
2214 CPPFLAGS=$OLD_CPPFLAGS])
2215 if test "$emacs_cv_pthread_lib" != no; then
2216 AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.])
2217 case $emacs_cv_pthread_lib in
2218 -*) LIB_PTHREAD=$emacs_cv_pthread_lib;;
2220 ac_cv_func_pthread_sigmask=yes
2221 # Some systems optimize for single-threaded programs by default, and
2222 # need special flags to disable these optimizations. For example, the
2223 # definition of 'errno' in <errno.h>.
2226 AC_DEFINE([_REENTRANT], 1,
2227 [Define to 1 if your system requires this in multithreaded code.]);;
2229 AC_DEFINE([_THREAD_SAFE], 1,
2230 [Define to 1 if your system requires this in multithreaded code.]);;
2234 AC_SUBST([LIB_PTHREAD])
2236 dnl Check for need for bigtoc support on IBM AIX
2240 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2242 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2243 *) gdb_cv_bigtoc=-bbigtoc ;;
2246 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2247 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2252 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2253 # is for the tests that follow. We set them back later on.
2255 REAL_CFLAGS="$CFLAGS"
2256 REAL_CPPFLAGS="$CPPFLAGS"
2259 if test "${HAVE_X11}" = "yes"; then
2260 DEFS="$C_SWITCH_X_SITE $DEFS"
2261 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2263 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2264 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2266 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2267 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2268 # but it's more convenient here to set LD_RUN_PATH since this
2269 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2270 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2271 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2275 if test "${opsys}" = "gnu-linux"; then
2276 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2277 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2278 [[XOpenDisplay ("foo");]])],
2279 [xgnu_linux_first_failure=no],
2280 [xgnu_linux_first_failure=yes])
2281 if test "${xgnu_linux_first_failure}" = "yes"; then
2282 OLD_CPPFLAGS="$CPPFLAGS"
2284 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2285 LIBS="$LIBS -b i486-linuxaout"
2286 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2287 [[XOpenDisplay ("foo");]])],
2288 [xgnu_linux_second_failure=no],
2289 [xgnu_linux_second_failure=yes])
2290 if test "${xgnu_linux_second_failure}" = "yes"; then
2291 # If we get the same failure with -b, there is no use adding -b.
2292 # So leave it out. This plays safe.
2295 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2296 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2299 CPPFLAGS=$OLD_CPPFLAGS
2306 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2307 # header files included from there.
2308 AC_MSG_CHECKING(for Xkb)
2309 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2310 #include <X11/XKBlib.h>]],
2311 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2312 emacs_xkb=yes, emacs_xkb=no)
2313 AC_MSG_RESULT($emacs_xkb)
2314 if test $emacs_xkb = yes; then
2315 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2318 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2319 XScreenNumberOfScreen)
2322 if test "${window_system}" = "x11"; then
2323 AC_MSG_CHECKING(X11 version 6)
2324 AC_CACHE_VAL(emacs_cv_x11_version_6,
2325 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2326 [[#if XlibSpecificationRelease < 6
2329 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2330 if test $emacs_cv_x11_version_6 = yes; then
2331 AC_MSG_RESULT(6 or newer)
2332 AC_DEFINE(HAVE_X11R6, 1,
2333 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2334 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2335 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2339 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2340 [Define if you have usable X11R6-style XIM support.])
2344 AC_MSG_RESULT(before 6)
2349 ### Use -lrsvg-2 if available, unless '--with-rsvg=no' is specified.
2351 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2352 if test "${with_rsvg}" != "no"; then
2353 RSVG_REQUIRED=2.11.0
2354 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2356 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2357 AC_SUBST(RSVG_CFLAGS)
2360 if test $HAVE_RSVG = yes; then
2361 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2362 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2363 # Windows loads librsvg dynamically
2364 if test "${opsys}" = "mingw32"; then
2372 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2373 if test "${with_imagemagick}" != "no"; then
2374 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2375 ## 6.8.2 makes Emacs crash; see Bug#13867.
2376 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2377 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2378 AC_SUBST(IMAGEMAGICK_CFLAGS)
2379 AC_SUBST(IMAGEMAGICK_LIBS)
2381 if test $HAVE_IMAGEMAGICK = yes; then
2382 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2385 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2386 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2387 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2397 gtk_term_header=$term_header
2400 if test "${opsys}" != "mingw32"; then
2401 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2404 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2406 dnl Checks for libraries.
2407 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2408 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2409 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2410 AC_MSG_ERROR($GTK_PKG_ERRORS)
2412 if test "$pkg_check_gtk" = "yes"; then
2413 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2414 GTK_OBJ=emacsgtkfixed.o
2415 gtk_term_header=gtkutil.h
2416 USE_GTK_TOOLKIT="GTK3"
2417 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2418 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2419 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2420 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2421 [Define to 1 to disable Glib deprecation warnings.])
2425 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2429 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2432 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2434 dnl Checks for libraries.
2435 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2436 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2437 if test "$pkg_check_gtk" = "no" &&
2438 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2440 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2442 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2449 if test x"$pkg_check_gtk" = xyes; then
2452 CFLAGS="$CFLAGS $GTK_CFLAGS"
2453 LIBS="$GTK_LIBS $LIBS"
2454 dnl Try to compile a simple GTK program.
2455 AC_MSG_CHECKING([whether GTK compiles])
2459 [[/* Check the Gtk and Glib APIs. */
2460 #include <gtk/gtk.h>
2461 #include <glib-object.h>
2463 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2467 GtkSettings *gs = 0;
2468 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2469 strict C prohibits this. Use gtk_main_iteration to test that the
2470 libraries are there. */
2471 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2472 0, 0, 0, G_CALLBACK (callback), 0))
2473 gtk_main_iteration ();
2476 AC_MSG_RESULT([$GTK_COMPILES])
2477 if test "${GTK_COMPILES}" != "yes"; then
2479 if test "$USE_X_TOOLKIT" != "maybe"; then
2480 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2483 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2485 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2486 GTK_OBJ="gtkutil.o $GTK_OBJ"
2487 term_header=$gtk_term_header
2489 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2490 closing open displays. This is no problem if you just use
2491 one display, but if you use more than one and close one of them
2493 See http://bugzilla.gnome.org/show_bug.cgi?id=85715]])
2501 if test "${HAVE_GTK}" = "yes"; then
2503 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2504 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2505 if test "$with_toolkit_scroll_bars" != no; then
2506 with_toolkit_scroll_bars=yes
2509 dnl Check if we have the old file selection dialog declared and
2510 dnl in the link library. In 2.x it may be in the library,
2511 dnl but not declared if deprecated featured has been selected out.
2512 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2513 HAVE_GTK_FILE_SELECTION=no
2514 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2515 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2516 #include <gtk/gtk.h>])
2517 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2518 AC_CHECK_FUNCS(gtk_file_selection_new)
2521 dnl Same as above for gtk_handle_box.
2522 HAVE_GTK_HANDLE_BOX=no
2523 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2524 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2525 #include <gtk/gtk.h>])
2526 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2527 AC_CHECK_FUNCS(gtk_handle_box_new)
2530 dnl Same as above for gtk_tearoff_menu_item.
2531 HAVE_GTK_TEAROFF_MENU_ITEM=no
2532 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2533 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2534 #include <gtk/gtk.h>])
2535 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2536 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2539 dnl Check for functions introduced in 2.14 and later.
2540 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2541 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2542 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2543 gtk_orientable_set_orientation \
2544 gtk_window_set_has_resize_grip)
2546 term_header=gtkutil.h
2552 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2553 dnl other platforms.
2556 if test "${with_dbus}" = "yes"; then
2557 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2558 if test "$HAVE_DBUS" = yes; then
2559 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2560 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2561 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2564 LIBS="$LIBS $DBUS_LIBS"
2565 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2566 dbus_type_is_valid \
2567 dbus_validate_bus_name \
2568 dbus_validate_path \
2569 dbus_validate_interface \
2570 dbus_validate_member)
2575 AC_SUBST(DBUS_CFLAGS)
2579 dnl GSettings has been tested under GNU/Linux only.
2581 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2582 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2583 if test "$HAVE_GSETTINGS" = "yes"; then
2585 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2587 LIBS="$LIBS $GSETTINGS_LIBS"
2588 AC_MSG_CHECKING([whether GSettings is in gio])
2591 [[/* Check that gsettings really is present. */
2592 #include <glib-object.h>
2593 #include <gio/gio.h>
2596 GSettings *settings;
2597 GVariant *val = g_settings_get_value (settings, "");
2599 [], HAVE_GSETTINGS=no)
2600 AC_MSG_RESULT([$HAVE_GSETTINGS])
2602 if test "$HAVE_GSETTINGS" = "yes"; then
2603 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2604 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2605 SETTINGS_LIBS="$GSETTINGS_LIBS"
2612 dnl GConf has been tested under GNU/Linux only.
2613 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2615 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2616 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2617 if test "$HAVE_GCONF" = yes; then
2618 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2619 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2620 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2621 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2625 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2626 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2627 if test "$HAVE_GOBJECT" = "yes"; then
2628 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2629 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2631 SAVE_CFLAGS="$CFLAGS"
2633 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2634 LIBS="$SETTINGS_LIBS $LIBS"
2635 CFLAGS="$SAVE_CFLAGS"
2638 AC_SUBST(SETTINGS_CFLAGS)
2639 AC_SUBST(SETTINGS_LIBS)
2642 dnl SELinux is available for GNU/Linux only.
2645 if test "${with_selinux}" = "yes"; then
2646 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2647 if test "$HAVE_LIBSELINUX" = yes; then
2648 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2649 LIBSELINUX_LIBS=-lselinux
2652 AC_SUBST(LIBSELINUX_LIBS)
2655 if test "${with_gnutls}" = "yes" ; then
2656 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2657 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2658 if test "${HAVE_GNUTLS}" = "yes"; then
2659 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2660 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2661 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2664 # Windows loads GnuTLS dynamically
2665 if test "${opsys}" = "mingw32"; then
2670 AC_SUBST(LIBGNUTLS_LIBS)
2671 AC_SUBST(LIBGNUTLS_CFLAGS)
2676 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2677 dnl a particular library. This doesn't make much sense?
2678 if test "${HAVE_NS}" = yes && test ${with_file_notification} = yes; then
2679 with_file_notification=no
2682 dnl MS Windows native file monitor is available for mingw32 only.
2683 case $with_file_notification,$opsys in
2685 AC_MSG_ERROR(['--with-file-notification=w32' was specified, but
2686 this is only supported on MS-Windows native and MinGW32 builds.
2687 Consider using gfile instead.])
2689 w32,* | yes,mingw32)
2690 AC_CHECK_HEADER(windows.h)
2691 if test "$ac_cv_header_windows_h" = yes ; then
2692 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2693 NOTIFY_OBJ=w32notify.o
2694 NOTIFY_SUMMARY="yes (w32)"
2698 dnl inotify is available only on GNU/Linux.
2699 case $with_file_notification,$NOTIFY_OBJ in
2701 AC_CHECK_HEADER(sys/inotify.h)
2702 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2703 AC_CHECK_FUNC(inotify_init1)
2704 if test "$ac_cv_func_inotify_init1" = yes; then
2705 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2706 NOTIFY_OBJ=inotify.o
2707 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2712 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2713 dnl has been added in glib 2.24. It has been tested under
2715 case $with_file_notification,$NOTIFY_OBJ in
2717 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2718 if test "$HAVE_GFILENOTIFY" = "yes"; then
2719 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2720 NOTIFY_OBJ=gfilenotify.o
2721 NOTIFY_SUMMARY="yes -lgio (gfile)"
2725 case $with_file_notification,$NOTIFY_OBJ in
2726 yes,* | no,* | *,?*) ;;
2727 *) AC_MSG_ERROR([File notification '$with_file_notification' requested but requirements not found.]) ;;
2730 if test -n "$NOTIFY_OBJ"; then
2731 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2733 AC_SUBST(NOTIFY_OBJ)
2734 AC_SUBST(GFILENOTIFY_CFLAGS)
2735 AC_SUBST(GFILENOTIFY_LIBS)
2737 dnl Do not put whitespace before the #include statements below.
2738 dnl Older compilers (eg sunos4 cc) choke on it.
2741 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2742 if test "$with_xaw3d" != no; then
2743 AC_CACHE_VAL(emacs_cv_xaw3d,
2744 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2745 #include <X11/Intrinsic.h>
2746 #include <X11/Xaw3d/Simple.h>]],
2748 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2749 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2750 emacs_cv_xaw3d=no)])
2754 if test $emacs_cv_xaw3d = yes; then
2755 AC_MSG_CHECKING(for xaw3d)
2756 AC_MSG_RESULT([yes; using Lucid toolkit])
2760 AC_DEFINE(HAVE_XAW3D, 1,
2761 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2763 AC_MSG_CHECKING(for xaw3d)
2765 AC_MSG_CHECKING(for libXaw)
2766 AC_CACHE_VAL(emacs_cv_xaw,
2767 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2768 #include <X11/Intrinsic.h>
2769 #include <X11/Xaw/Simple.h>]],
2773 if test $emacs_cv_xaw = yes; then
2774 AC_MSG_RESULT([yes; using Lucid toolkit])
2777 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2778 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2780 AC_MSG_ERROR([No X toolkit could be found.
2781 If you are sure you want Emacs compiled without an X toolkit, pass
2783 to configure. Otherwise, install the development libraries for the toolkit
2784 that you want to use (e.g. Gtk+) and re-run configure.])
2789 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2793 if test "${USE_X_TOOLKIT}" != "none"; then
2794 AC_MSG_CHECKING(X11 toolkit version)
2795 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2796 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2797 [[#if XtSpecificationRelease < 6
2800 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2801 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2802 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2803 AC_MSG_RESULT(6 or newer)
2804 AC_DEFINE(HAVE_X11XTR6, 1,
2805 [Define to 1 if you have the X11R6 or newer version of Xt.])
2806 LIBXTR6="-lSM -lICE"
2808 ## Use libw.a along with X11R6 Xt.
2809 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2812 AC_MSG_RESULT(before 6)
2815 dnl If using toolkit, check whether libXmu.a exists.
2816 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2818 if test x$HAVE_X11XTR6 = xyes; then
2819 OTHERLIBS='-lXt -lSM -lICE'
2823 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2824 if test "X$LIBS" != "X$OLDLIBS"; then
2825 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2828 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2834 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2835 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2836 if test -d /usr/include/openmotif; then
2837 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2838 emacs_cv_openmotif=yes
2839 case "$canonical" in
2840 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2841 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2844 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2847 emacs_cv_openmotif=no
2849 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2850 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2851 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2854 Motif version prior to 2.1.
2856 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2857 if test $emacs_cv_motif_version_2_1 = yes; then
2858 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2859 if test x$emacs_cv_openmotif = xyes; then
2860 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2863 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2864 # We put this in CFLAGS temporarily to precede other -I options
2865 # that might be in CFLAGS temporarily.
2866 # We put this in CPPFLAGS where it precedes the other -I options.
2867 OLD_CPPFLAGS=$CPPFLAGS
2869 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2870 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2871 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2873 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2874 if test $emacs_cv_lesstif = yes; then
2875 # Make sure this -I option remains in CPPFLAGS after it is set
2876 # back to REAL_CPPFLAGS.
2877 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2878 # have those other -I options anyway. Ultimately, having this
2879 # directory ultimately in CPPFLAGS will be enough.
2880 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2881 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2884 CPPFLAGS=$OLD_CPPFLAGS
2887 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2888 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2891 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2892 dnl using Motif or Xaw3d is available, and unless
2893 dnl --with-toolkit-scroll-bars=no was specified.
2895 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2896 [Define to 1 if we should use toolkit scroll bars.])dnl
2897 USE_TOOLKIT_SCROLL_BARS=no
2898 if test "${with_toolkit_scroll_bars}" != "no"; then
2899 if test "${USE_X_TOOLKIT}" != "none"; then
2900 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2901 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2903 USE_TOOLKIT_SCROLL_BARS=yes
2904 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2905 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2906 USE_TOOLKIT_SCROLL_BARS=yes
2908 elif test "${HAVE_GTK}" = "yes"; then
2909 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2910 USE_TOOLKIT_SCROLL_BARS=yes
2911 elif test "${HAVE_NS}" = "yes"; then
2912 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2913 USE_TOOLKIT_SCROLL_BARS=yes
2914 elif test "${HAVE_W32}" = "yes"; then
2915 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2916 USE_TOOLKIT_SCROLL_BARS=yes
2920 dnl See if XIM is available.
2921 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2922 #include <X11/Xlib.h>
2923 #include <X11/Xresource.h>]],
2924 [[XIMProc callback;]])],
2926 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2929 dnl '--with-xim' now controls only the initial value of use_xim at run time.
2931 if test "${with_xim}" != "no"; then
2932 AC_DEFINE(USE_XIM, 1,
2933 [Define to 1 if we should use XIM, if it is available.])
2937 if test "${HAVE_XIM}" != "no"; then
2939 if test "$GCC" = yes; then
2940 CFLAGS="$CFLAGS --pedantic-errors"
2942 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2943 #include <X11/Xlib.h>
2944 #include <X11/Xresource.h>]],
2950 XPointer *client_data;
2952 /* If we're not using GCC, it's probably not XFree86, and this is
2953 probably right, but we can't use something like --pedantic-errors. */
2954 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2955 char*, XIMProc, XPointer*);
2957 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2959 [emacs_cv_arg6_star=yes])
2960 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2961 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2962 either XPointer or XPointer*.])dnl
2963 if test "$emacs_cv_arg6_star" = yes; then
2964 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2966 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2971 ### Start of font-backend (under any platform) section.
2972 # (nothing here yet -- this is a placeholder)
2973 ### End of font-backend (under any platform) section.
2975 ### Start of font-backend (under X11) section.
2976 if test "${HAVE_X11}" = "yes"; then
2977 ## Use -lXft if available, unless '--with-xft=no'.
2979 if test "x${with_x}" = "xno"; then
2983 if test "$with_xft" != no; then
2984 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2985 with_xft=$HAVE_FONTCONFIG
2988 if test "x${with_xft}" != "xno"; then
2990 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2991 ## Because xftfont.c uses XRenderQueryExtension, we also
2992 ## need to link to -lXrender.
2994 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2995 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2996 OLD_CPPFLAGS="$CPPFLAGS"
2997 OLD_CFLAGS="$CFLAGS"
2999 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3000 CFLAGS="$CFLAGS $XFT_CFLAGS"
3001 XFT_LIBS="-lXrender $XFT_LIBS"
3002 LIBS="$XFT_LIBS $LIBS"
3003 AC_CHECK_HEADER(X11/Xft/Xft.h,
3004 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3005 [[#include <X11/X.h>]])
3007 if test "${HAVE_XFT}" = "yes"; then
3008 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3010 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3011 fi # "${HAVE_XFT}" = "yes"
3012 CPPFLAGS=$OLD_CPPFLAGS
3015 fi # "$HAVE_XFT" != no
3016 fi # "x${with_xft}" != "xno"
3018 ## We used to allow building with FreeType and without Xft.
3019 ## However, the ftx font backend driver is not in good shape.
3020 if test "$HAVE_XFT" != "yes"; then
3021 dnl For the "Does Emacs use" message at the end.
3025 dnl Strict linkers fail with
3026 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3027 dnl if -lfreetype is not specified.
3028 dnl The following is needed to set FREETYPE_LIBS.
3029 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3031 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3035 if test "${HAVE_FREETYPE}" = "yes"; then
3036 AC_DEFINE(HAVE_FREETYPE, 1,
3037 [Define to 1 if using the freetype and fontconfig libraries.])
3038 if test "${with_libotf}" != "no"; then
3039 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3040 if test "$HAVE_LIBOTF" = "yes"; then
3041 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3042 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3043 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3044 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3045 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3046 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3047 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3051 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3052 dnl Does the new font backend require it, or can it work without it?
3056 if test "${HAVE_LIBOTF}" = yes; then
3057 if test "${with_m17n_flt}" != "no"; then
3058 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3059 if test "$HAVE_M17N_FLT" = "yes"; then
3060 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3071 ### End of font-backend (under X11) section.
3073 AC_SUBST(FREETYPE_CFLAGS)
3074 AC_SUBST(FREETYPE_LIBS)
3075 AC_SUBST(FONTCONFIG_CFLAGS)
3076 AC_SUBST(FONTCONFIG_LIBS)
3077 AC_SUBST(LIBOTF_CFLAGS)
3078 AC_SUBST(LIBOTF_LIBS)
3079 AC_SUBST(M17N_FLT_CFLAGS)
3080 AC_SUBST(M17N_FLT_LIBS)
3083 if test "${HAVE_X11}" = "yes"; then
3084 if test "${with_cairo}" != "no"; then
3085 CAIRO_REQUIRED=1.12.0
3086 CAIRO_MODULE="cairo >= $CAIRO_REQUIRED"
3087 PKG_CHECK_MODULES(CAIRO, $CAIRO_MODULE, USE_CAIRO=yes, :)
3088 if test $USE_CAIRO = yes; then
3089 AC_DEFINE(USE_CAIRO, 1, [Define to 1 if using cairo.])
3091 AC_MSG_ERROR([cairo requested but not found.])
3094 CFLAGS="$CFLAGS $CAIRO_CFLAGS"
3095 LIBS="$LIBS $CAIRO_LIBS"
3096 AC_SUBST(CAIRO_CFLAGS)
3097 AC_SUBST(CAIRO_LIBS)
3101 ### Use -lXpm if available, unless '--with-xpm=no'.
3102 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3103 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3104 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3105 ### LDFLAGS) accordingly.
3108 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3109 if test "${with_xpm}" != "no"; then
3110 SAVE_CPPFLAGS="$CPPFLAGS"
3111 SAVE_LDFLAGS="$LDFLAGS"
3112 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3113 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3114 AC_CHECK_HEADER(X11/xpm.h,
3115 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3116 if test "${HAVE_XPM}" = "yes"; then
3117 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3118 AC_EGREP_CPP(no_return_alloc_pixels,
3119 [#include "X11/xpm.h"
3120 #ifndef XpmReturnAllocPixels
3121 no_return_alloc_pixels
3123 ], HAVE_XPM=no, HAVE_XPM=yes)
3125 if test "${HAVE_XPM}" = "yes"; then
3126 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3130 CPPFLAGS="$SAVE_CPPFLAGS"
3131 LDFLAGS="$SAVE_LDFLAGS"
3136 if test "${HAVE_XPM}" = "yes"; then
3137 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3142 if test "${HAVE_X11}" = "yes"; then
3143 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3144 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3146 if test "${with_xpm}" != "no"; then
3147 AC_CHECK_HEADER(X11/xpm.h,
3148 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3149 if test "${HAVE_XPM}" = "yes"; then
3150 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3151 AC_EGREP_CPP(no_return_alloc_pixels,
3152 [#include "X11/xpm.h"
3153 #ifndef XpmReturnAllocPixels
3154 no_return_alloc_pixels
3156 ], HAVE_XPM=no, HAVE_XPM=yes)
3158 if test "${HAVE_XPM}" = "yes"; then
3166 if test "${HAVE_XPM}" = "yes"; then
3167 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3169 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3170 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3175 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3176 ### slightly different requirements wrt image libraries (it doesn't
3177 ### use -lXpm because it loads the xpm shared library dynamically at
3179 if test "${opsys}" = "mingw32"; then
3180 if test "${with_xpm}" != "no"; then
3181 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3185 if test "${HAVE_XPM}" = "yes"; then
3186 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3192 ### Use -ljpeg if available, unless '--with-jpeg=no'.
3195 if test "${with_jpeg}" != "no"; then
3196 AC_CACHE_CHECK([for jpeglib 6b or later],
3199 for emacs_cv_jpeglib in yes -ljpeg no; do
3200 case $emacs_cv_jpeglib in
3203 *) LIBS="$LIBS $emacs_cv_jpeglib";;
3207 [[#undef HAVE_STDLIB_H /* Avoid config.h/jpeglib.h collision. */
3208 #include <stdio.h> /* jpeglib.h needs FILE and size_t. */
3209 #include <jpeglib.h>
3211 char verify[JPEG_LIB_VERSION < 62 ? -1 : 1];
3212 struct jpeg_decompress_struct cinfo;
3215 jpeg_create_decompress (&cinfo);
3216 WARNMS (&cinfo, JWRN_JPEG_EOF);
3217 jpeg_destroy_decompress (&cinfo);
3219 [emacs_link_ok=yes],
3222 test $emacs_link_ok = yes && break
3224 if test "$emacs_cv_jpeglib" != no; then
3226 AC_DEFINE([HAVE_JPEG], 1,
3227 [Define to 1 if you have the jpeg library (typically -ljpeg).])
3228 ### mingw32 doesn't use -ljpeg, since it loads the library
3229 ### dynamically when needed, and doesn't want a run-time
3230 ### dependency on the jpeglib DLL.
3231 test "$emacs_cv_jpeglib" != yes && test "${opsys}" != "mingw32" \
3232 && LIBJPEG=$emacs_cv_jpeglib
3239 if test "${with_zlib}" != "no"; then
3241 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3243 case $ac_cv_search_inflateEnd in
3244 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3247 if test "${HAVE_ZLIB}" = "yes"; then
3248 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3249 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3250 if test "${opsys}" = "mingw32"; then
3256 ### Use -lpng if available, unless '--with-png=no'.
3260 if test "${NS_IMPL_COCOA}" = yes; then
3262 elif test "${with_png}" != no; then
3263 # mingw32 loads the library dynamically.
3264 if test "$opsys" = mingw32; then
3265 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3266 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3267 AC_MSG_CHECKING([for png])
3268 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3269 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3270 # libpng-config does not work; configure by hand.
3271 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3272 # in /usr/include/libpng.
3273 if test -r /usr/include/libpng/png.h &&
3274 test ! -r /usr/include/png.h; then
3275 png_cflags=-I/usr/include/libpng
3283 CFLAGS="$CFLAGS $png_cflags"
3284 LIBS="$png_libs -lz -lm $LIBS"
3286 [AC_LANG_PROGRAM([[#include <png.h>]],
3287 [[return !png_get_channels (0, 0);]])],
3289 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3291 # $LIBPNG requires explicit -lz in some cases.
3292 # We don't know what those cases are, exactly, so play it safe and
3293 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3294 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3295 LIBPNG="$LIBPNG -lz"
3299 AC_MSG_RESULT([$HAVE_PNG])
3302 if test $HAVE_PNG = yes; then
3303 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3306 CFLAGS="$CFLAGS $PNG_CFLAGS"
3307 AC_CHECK_DECL([png_longjmp],
3309 [AC_DEFINE([PNG_DEPSTRUCT], [],
3310 [Define to empty to suppress deprecation warnings when building
3311 with --enable-gcc-warnings and with libpng versions before 1.5,
3312 which lack png_longjmp.])],
3318 AC_SUBST(PNG_CFLAGS)
3320 ### Use -ltiff if available, unless '--with-tiff=no'.
3321 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3324 if test "${opsys}" = "mingw32"; then
3325 if test "${with_tiff}" != "no"; then
3326 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3328 if test "${HAVE_TIFF}" = "yes"; then
3329 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3331 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3332 if test "${with_tiff}" != "no"; then
3333 AC_CHECK_HEADER(tiffio.h,
3335 # At least one tiff package requires the jpeg library.
3336 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3337 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3340 if test "${HAVE_TIFF}" = "yes"; then
3341 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3342 dnl FIXME -lz -lm, as per libpng?
3348 ### Use -lgif or -lungif if available, unless '--with-gif=no'.
3349 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3352 if test "${opsys}" = "mingw32"; then
3353 if test "${with_gif}" != "no"; then
3354 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3356 if test "${HAVE_GIF}" = "yes"; then
3357 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3359 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3360 || test "${HAVE_W32}" = "yes"; then
3361 AC_CHECK_HEADER(gif_lib.h,
3362 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3363 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3364 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3365 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3367 if test "$HAVE_GIF" = yes; then
3369 elif test "$HAVE_GIF" = maybe; then
3370 # If gif_lib.h but no libgif, try libungif.
3371 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3372 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3375 if test "${HAVE_GIF}" = "yes"; then
3376 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3381 dnl Check for required libraries.
3382 if test "${HAVE_X11}" = "yes"; then
3385 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3386 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3387 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3388 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3389 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3390 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3391 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3392 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3393 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3394 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3396 if test "X${MISSING}" != X; then
3397 AC_MSG_ERROR([The following required libraries were not found:
3399 Maybe some development libraries/packages are missing?
3400 If you don't want to link with them give
3402 as options to configure])
3406 ### Use -lgpm if available, unless '--with-gpm=no'.
3409 if test "${with_gpm}" != "no"; then
3410 AC_CHECK_HEADER(gpm.h,
3411 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3413 if test "${HAVE_GPM}" = "yes"; then
3414 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3420 dnl Check for malloc/malloc.h on darwin
3421 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3424 ### Use NeXTstep API to implement GUI.
3425 if test "${HAVE_NS}" = "yes"; then
3426 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3427 if test "${NS_IMPL_COCOA}" = "yes"; then
3428 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3430 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3431 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3432 if test $NS_GNUSTEP_CONFIG != yes; then
3433 # See also .m.o rule in src/Makefile.in. */
3434 # FIXME: are all these flags really needed? Document here why. */
3435 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3436 ## Extra CFLAGS applied to src/*.m files.
3437 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3443 ### Use session management (-lSM -lICE) if available
3446 if test "${HAVE_X11}" = "yes"; then
3447 AC_CHECK_HEADER(X11/SM/SMlib.h,
3448 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3450 if test "${HAVE_X_SM}" = "yes"; then
3451 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3457 ### Use XRandr (-lXrandr) if available
3459 if test "${HAVE_X11}" = "yes"; then
3460 XRANDR_REQUIRED=1.2.2
3461 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3462 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3463 if test $HAVE_XRANDR = no; then
3464 # Test old way in case pkg-config doesn't have it (older machines).
3465 # Include Xrender.h by hand to work around bug in older Xrandr.h
3466 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3467 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3468 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3469 [], [AC_INCLUDES_DEFAULT
3470 #include <X11/extensions/Xrender.h>])
3471 if test $HAVE_XRANDR = yes; then
3472 XRANDR_LIBS=-lXrandr
3475 if test $HAVE_XRANDR = yes; then
3476 SAVE_CFLAGS="$CFLAGS"
3478 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3479 LIBS="$XRANDR_LIBS $LIBS"
3480 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3481 CFLAGS="$SAVE_CFLAGS"
3484 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3487 AC_SUBST(XRANDR_CFLAGS)
3488 AC_SUBST(XRANDR_LIBS)
3490 ### Use Xinerama (-lXinerama) if available
3492 if test "${HAVE_X11}" = "yes"; then
3493 XINERAMA_REQUIRED=1.0.2
3494 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3495 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3496 if test $HAVE_XINERAMA = no; then
3497 # Test old way in case pkg-config doesn't have it (older machines).
3498 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3499 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3500 if test $HAVE_XINERAMA = yes; then
3501 XINERAMA_LIBS=-lXinerama
3504 if test $HAVE_XINERAMA = yes; then
3505 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3508 AC_SUBST(XINERAMA_CFLAGS)
3509 AC_SUBST(XINERAMA_LIBS)
3511 ### Use Xfixes (-lXfixes) if available
3513 if test "${HAVE_X11}" = "yes"; then
3514 XFIXES_REQUIRED=4.0.0
3515 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3516 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3517 if test $HAVE_XFIXES = no; then
3518 # Test old way in case pkg-config doesn't have it (older machines).
3519 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3520 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3521 if test $HAVE_XFIXES = yes; then
3522 XFIXES_LIBS=-lXfixes
3525 if test $HAVE_XFIXES = yes; then
3526 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3529 AC_SUBST(XFIXES_CFLAGS)
3530 AC_SUBST(XFIXES_LIBS)
3532 ### Use libxml (-lxml2) if available
3533 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3535 if test "${with_xml2}" != "no"; then
3536 ### I'm not sure what the version number should be, so I just guessed.
3537 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3538 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3539 if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
3540 SAVE_CPPFLAGS="$CPPFLAGS"
3541 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3542 AC_CHECK_HEADER(libxml/HTMLparser.h,
3543 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3544 [#include <libxml/HTMLparser.h>])])
3545 CPPFLAGS="$SAVE_CPPFLAGS"
3546 if test "${HAVE_LIBXML2}" = "yes"; then
3547 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3548 LIBXML2_LIBS="-lxml2"
3551 if test "${HAVE_LIBXML2}" = "yes"; then
3552 if test "${opsys}" != "mingw32"; then
3553 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no,
3558 if test "${HAVE_LIBXML2}" = "yes"; then
3559 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3566 AC_SUBST(LIBXML2_LIBS)
3567 AC_SUBST(LIBXML2_CFLAGS)
3569 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3570 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3571 if test "${opsys}" = "mingw32"; then
3572 emacs_cv_netdb_declares_h_errno=yes
3574 AC_CACHE_CHECK(whether netdb declares h_errno,
3575 emacs_cv_netdb_declares_h_errno,
3576 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3577 [[return h_errno;]])],
3578 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3579 if test $emacs_cv_netdb_declares_h_errno = yes; then
3580 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3583 # Check for mail-locking functions in a "mail" library. Probably this should
3584 # have the same check as for liblockfile below.
3585 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3586 if test $have_mail = yes; then
3588 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the 'mail' library (-lmail).])
3591 LIBS="$LIBS_MAIL $LIBS"
3592 AC_CHECK_FUNCS(touchlock)
3597 dnl Debian, at least:
3598 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3599 if test $have_lockfile = yes; then
3600 LIBS_MAIL=-llockfile
3601 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the 'lockfile' library (-llockfile).])
3603 # If we have the shared liblockfile, assume we must use it for mail
3604 # locking (e.g. Debian). If we couldn't link against liblockfile
3605 # (no liblockfile.a installed), ensure that we don't need to.
3606 dnl This works for files generally, not just executables.
3607 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3608 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3609 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3610 if test $ac_cv_prog_liblockfile = yes; then
3611 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3612 This probably means that movemail could lose mail.
3613 There may be a 'development' package to install containing liblockfile.])
3616 AC_CHECK_HEADERS_ONCE(maillock.h)
3619 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3620 ## interlock access to the mail spool. The alternative is a lock file named
3621 ## /usr/spool/mail/$USER.lock.
3624 aix4-2) mail_lock="lockf" ;;
3626 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3628 ## On GNU/Linux systems, both methods are used by various mail programs.
3629 ## I assume most people are using newer mailers that have heard of flock.
3630 ## Change this if you need to.
3631 ## Debian contains a patch which says: "On Debian/GNU/Linux systems,
3632 ## configure gets the right answers, and that means *NOT* using flock.
3633 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3634 ## for details." and then uses '#ifdef DEBIAN'. Unfortunately the
3635 ## Debian maintainer hasn't provided a clean fix for Emacs.
3636 ## movemail.c will use 'maillock' when MAILDIR, HAVE_LIBMAIL and
3637 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3638 ## correct logic. -- fx
3639 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3640 ## liblockfile is a Free Software replacement for libmail, used on
3641 ## Debian systems and elsewhere. -rfr.
3644 if test $have_mail = yes || test $have_lockfile = yes; then
3645 test $ac_cv_header_maillock_h = yes && mail_lock=no
3650 mail_lock="none-needed" ;;
3654 case "$mail_lock" in
3655 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3657 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3661 *) BLESSMAIL_TARGET="need-blessmail" ;;
3663 AC_SUBST(BLESSMAIL_TARGET)
3666 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3667 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3668 getrusage get_current_dir_name \
3669 lrand48 random rint \
3670 select getpagesize setlocale newlocale \
3671 getrlimit setrlimit shutdown getaddrinfo \
3672 pthread_sigmask strsignal setitimer \
3673 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3675 getpwent endpwent getgrent endgrent \
3676 cfmakeraw cfsetspeed copysign __executable_start log2)
3679 dnl No need to check for aligned_alloc and posix_memalign if using
3680 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3681 dnl Don't use these functions on Darwin as they are incompatible with
3683 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3684 && test "$opsys" != darwin; then
3685 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3688 dnl Cannot use AC_CHECK_FUNCS
3689 AC_CACHE_CHECK([for __builtin_unwind_init],
3690 emacs_cv_func___builtin_unwind_init,
3691 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3692 emacs_cv_func___builtin_unwind_init=yes,
3693 emacs_cv_func___builtin_unwind_init=no)])
3694 if test $emacs_cv_func___builtin_unwind_init = yes; then
3695 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3696 [Define to 1 if you have the '__builtin_unwind_init' function.])
3699 AC_CHECK_HEADERS_ONCE(sys/un.h)
3704 AC_CHECK_FUNCS(grantpt)
3706 # PTY-related GNU extensions.
3707 AC_CHECK_FUNCS(getpt posix_openpt)
3709 # Check this now, so that we will NOT find the above functions in ncurses.
3710 # That is because we have not set up to link ncurses in lib-src.
3711 # It's better to believe a function is not available
3712 # than to expect to find it in ncurses.
3713 # Also we need tputs and friends to be able to build at all.
3714 AC_MSG_CHECKING([for library containing tputs])
3715 # Run a test program that contains a call to tputs, a call that is
3716 # never executed. This tests whether a pre-'main' dynamic linker
3717 # works with the library. It's too much trouble to actually call
3718 # tputs in the test program, due to portability hassles. When
3719 # cross-compiling, assume the test program will run if it links.
3720 AC_DEFUN([tputs_link_source], [
3722 [[extern void tputs (const char *, int, int (*)(int));
3723 int main (int argc, char **argv)
3726 tputs (argv[0], 0, 0);
3730 if test "${opsys}" = "mingw32"; then
3733 # Maybe curses should be tried earlier?
3734 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3735 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3737 if test -z "$tputs_library"; then
3741 LIBS_TERMCAP=-l$tputs_library
3743 LIBS="$LIBS_TERMCAP $LIBS"
3745 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3746 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3748 if test "X$msg" != Xno; then
3753 AC_MSG_RESULT([$msg])
3754 if test "X$msg" = Xno; then
3755 AC_MSG_ERROR([The required function 'tputs' was not found in any library.
3756 The following libraries were tried (in order):
3757 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3758 Please try installing whichever of these libraries is most appropriate
3759 for your system, together with its header files.
3760 For example, a libncurses-dev(el) or similar package.])
3763 ## Use termcap instead of terminfo?
3764 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3766 ## FIXME? In the cases below where we unconditionally set
3767 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3768 ## if that was found above to have tputs.
3769 ## Should we use the gnu* logic everywhere?
3771 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3772 ## The ncurses library has been moved out of the System framework in
3773 ## Mac OS X 10.2. So if configure detects it, set the command-line
3774 ## option to use it.
3775 darwin) LIBS_TERMCAP="-lncurses" ;;
3777 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3780 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3781 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3782 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3783 [[#if __FreeBSD_version < 400000
3786 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3788 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3790 if test $emacs_cv_freebsd_terminfo = yes; then
3791 LIBS_TERMCAP="-lncurses"
3794 LIBS_TERMCAP="-ltermcap"
3804 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3806 LIBS_TERMCAP="-ltermcap"
3810 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3812 ## hpux: Make sure we get select from libc rather than from libcurses
3813 ## because libcurses on HPUX 10.10 has a broken version of select.
3814 ## We used to use -lc -lcurses, but this may be cleaner.
3815 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3816 # set that way, now it uses the default). Isn't this a contradiction?
3817 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3821 TERMCAP_OBJ=tparam.o
3822 if test $TERMINFO = yes; then
3823 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3824 TERMCAP_OBJ=terminfo.o
3826 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3827 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3829 AC_SUBST(LIBS_TERMCAP)
3830 AC_SUBST(TERMCAP_OBJ)
3832 # GNU/Linux-specific timer functions.
3833 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3835 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3837 [[timerfd_create (CLOCK_REALTIME,
3838 TFD_CLOEXEC | TFD_NONBLOCK);
3839 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3840 [emacs_cv_have_timerfd=yes],
3841 [emacs_cv_have_timerfd=no])])
3842 if test "$emacs_cv_have_timerfd" = yes; then
3843 AC_DEFINE([HAVE_TIMERFD], 1,
3844 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3847 # Alternate stack for signal handlers.
3848 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3849 [emacs_cv_alternate_stack],
3851 [AC_LANG_PROGRAM([[#include <signal.h>
3854 struct sigaction sa;
3855 ss.ss_sp = malloc (SIGSTKSZ);
3856 ss.ss_size = SIGSTKSZ;
3857 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3858 sigaltstack (&ss, 0);
3859 sigaction (SIGSEGV, &sa, 0);]])],
3860 [emacs_cv_alternate_stack=yes],
3861 [emacs_cv_alternate_stack=no])])
3863 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3864 # On Darwin, res_init appears not to be useful: see bug#562 and
3865 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3868 if test $opsys != darwin; then
3870 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3871 #include <arpa/nameser.h>
3872 #include <resolv.h>]],
3873 [[return res_init();]])],
3874 have_res_init=yes, have_res_init=no)
3875 if test "$have_res_init" = no; then
3877 LIBS="$LIBS -lresolv"
3878 AC_MSG_CHECKING(for res_init with -lresolv)
3879 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3880 #include <arpa/nameser.h>
3881 #include <resolv.h>]],
3882 [[return res_init();]])],
3883 have_res_init=yes, have_res_init=no)
3884 AC_MSG_RESULT($have_res_init)
3885 if test "$have_res_init" = yes ; then
3891 if test "$have_res_init" = yes; then
3892 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3896 # Do we need the Hesiod library to provide the support routines?
3897 dnl FIXME? Should we be skipping this on Darwin too?
3899 if test "$with_hesiod" != no ; then
3900 # Don't set $LIBS here -- see comments above. FIXME which comments?
3901 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3902 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3903 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3904 if test "$resolv" = yes ; then
3909 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3910 hesiod=yes, :, $RESOLVLIB)])
3912 if test x"$hesiod" = xyes; then
3918 # Do we need libresolv (due to res_init or Hesiod)?
3919 if test "$resolv" = yes && test $opsys != darwin; then
3926 # These tell us which Kerberos-related libraries to use.
3933 if test "${with_kerberos}" != no; then
3935 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3936 if test $have_com_err = yes; then
3937 COM_ERRLIB=-lcom_err
3938 LIBS="$COM_ERRLIB $LIBS"
3940 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3941 if test $have_crypto = yes; then
3943 LIBS="$CRYPTOLIB $LIBS"
3945 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3946 if test $have_k5crypto = yes; then
3947 CRYPTOLIB=-lk5crypto
3948 LIBS="$CRYPTOLIB $LIBS"
3950 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3951 if test $have_krb5=yes; then
3953 LIBS="$KRB5LIB $LIBS"
3955 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3956 if test "${with_kerberos5}" = no; then
3957 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3958 if test $have_des425 = yes; then
3960 LIBS="$DESLIB $LIBS"
3962 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3963 if test $have_des = yes; then
3965 LIBS="$DESLIB $LIBS"
3968 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3969 if test $have_krb4 = yes; then
3971 LIBS="$KRB4LIB $LIBS"
3973 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3974 if test $have_krb = yes; then
3976 LIBS="$KRB4LIB $LIBS"
3981 if test "${with_kerberos5}" != no; then
3982 AC_CHECK_HEADERS(krb5.h,
3983 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3984 [#include <krb5.h>])])
3986 AC_CHECK_HEADERS(krb.h,,
3987 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3988 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3990 AC_CHECK_HEADERS(com_err.h)
3994 AC_SUBST(COM_ERRLIB)
4000 AC_CHECK_HEADERS(valgrind/valgrind.h)
4002 AC_CHECK_FUNCS_ONCE(tzset)
4005 AC_CHECK_FUNC(socket, , ok_so_far=no)
4006 if test $ok_so_far = yes; then
4007 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4009 if test $ok_so_far = yes; then
4010 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4012 if test $ok_so_far = yes; then
4013 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4014 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4015 [Define to 1 if you have inet sockets.])
4020 AC_CHECK_FUNCS(snprintf)
4022 dnl Check for glib. This differs from other library checks in that
4023 dnl Emacs need not link to glib unless some other library is already
4024 dnl linking to glib. Although glib provides no facilities that Emacs
4025 dnl needs for its own purposes, when glib is present Emacs needs to
4026 dnl use primitives like g_main_context_query to avoid clashing with
4027 dnl glib at a low level.
4029 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4033 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4034 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4035 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS $CAIRO_CFLAGS"
4036 LIBS="$LIBS $GFILENOTIFY_LIBS $CAIRO_LIBS"
4037 AC_MSG_CHECKING([whether GLib is linked in])
4038 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4041 [[g_print ("Hello world");]])],
4044 AC_MSG_RESULT([$links_glib])
4045 if test "${links_glib}" = "yes"; then
4046 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4047 if test "$HAVE_NS" = no;then
4055 dnl Adapted from Haible's version.
4056 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4057 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4058 [[char* cs = nl_langinfo(CODESET);]])],
4059 emacs_cv_langinfo_codeset=yes,
4060 emacs_cv_langinfo_codeset=no)
4062 if test $emacs_cv_langinfo_codeset = yes; then
4063 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4064 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4069 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4070 dnl how the tty code is related to POSIX and/or other versions of termios.
4071 dnl The following looks like a useful start.
4073 dnl AC_SYS_POSIX_TERMIOS
4074 dnl if test $ac_cv_sys_posix_termios = yes; then
4075 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4076 dnl and macros for terminal control.])
4077 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4080 dnl Turned on June 1996 supposing nobody will mind it.
4081 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4082 if test "${opsys}" != "mingw32"; then
4083 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4084 in the full name stands for the login id.])
4087 dnl Everybody supports this, except MS.
4088 dnl Seems like the kind of thing we should be testing for, though.
4089 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4090 if test "${opsys}" != "mingw32"; then
4091 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4094 dnl Everybody supports this, except MS-DOS.
4095 dnl Seems like the kind of thing we should be testing for, though.
4096 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4097 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4098 4.2-compatible sockets.])
4100 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4102 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4103 a null file, or a data sink.])
4104 if test "${opsys}" = "mingw32"; then
4105 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4107 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4110 if test "${opsys}" = "mingw32"; then
4115 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4116 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4117 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4118 dnl decides that a command-line argument to be passed to a MinGW program
4119 dnl is a PATH-style list of directories. But that heuristics plays it
4120 dnl safe, and only does the replacement when it is _absolutely_ sure it
4121 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4122 dnl which breaks in-tree builds. So we do this manually instead.
4123 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4124 dnl be computed as ':' in MSYS Bash.
4127 dnl Everybody supports this, except MS-DOS.
4128 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4130 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4133 AC_DEFINE(DIRECTORY_SEP, ['/'],
4134 [Character that separates directories in a file name.])
4136 if test "${opsys}" = "mingw32"; then
4137 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4138 [Returns true if character is a device separator.])
4140 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4141 [Returns true if character is a directory separator.])
4143 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4144 [Returns true if character is any form of separator.])
4146 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4147 [Returns true if character is a device separator.])
4149 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4150 [Returns true if character is a directory separator.])
4152 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4153 [Returns true if character is any form of separator.])
4156 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4160 dnl Unfortunately without libXmu we cannot support EditRes.
4161 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4162 AC_DEFINE(NO_EDITRES, 1)
4167 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4168 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4169 AC_DEFINE(NO_EDITRES, 1)
4175 irix6-5 | sol2* | unixware )
4176 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4177 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4178 dnl need the constant to dimension an array. So wire in the appropriate
4180 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4184 emacs_broken_SIGIO=no
4187 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4188 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4189 hpux* | irix6-5 | nacl | openbsd | sol2* | unixware )
4190 emacs_broken_SIGIO=yes
4194 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4195 dnl the way this system works, libc functions that return malloced
4196 dnl memory use the libc malloc implementation. Calling xfree or
4197 dnl xrealloc on the results of such functions results in a crash.
4199 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4200 dnl but that does not currently work on this system.
4202 dnl It is possible to completely override the malloc implementation on
4203 dnl AIX, but that involves putting the malloc functions in a shared
4204 dnl library and setting the MALLOCTYPE environment variable to point to
4205 dnl that shared library.
4207 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4208 dnl to avoid a crash just use the Emacs implementation for that function.
4210 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4211 dnl of this file, so that we do not check for get_current_dir_name
4212 dnl on AIX. But that might be fragile if something else ends
4213 dnl up testing for get_current_dir_name as a dependency.
4214 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4215 get_current_dir_name should not be used.])
4219 dnl Circumvent a bug in FreeBSD. In the following sequence of
4220 dnl writes/reads on a PTY, read(2) returns bogus data:
4222 dnl write(2) 1022 bytes
4223 dnl write(2) 954 bytes, get EAGAIN
4224 dnl read(2) 1024 bytes in process_read_output
4225 dnl read(2) 11 bytes in process_read_output
4227 dnl That is, read(2) returns more bytes than have ever been written
4228 dnl successfully. The 1033 bytes read are the 1022 bytes written
4229 dnl successfully after processing (for example with CRs added if the
4230 dnl terminal is set up that way which it is here). The same bytes will
4231 dnl be seen again in a later read(2), without the CRs.
4232 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4233 work around an issue when reading from a PTY.])
4239 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4240 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4245 darwin | dragonfly | freebsd | netbsd | openbsd )
4246 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4247 close a pty to make it a controlling terminal (it is already a
4248 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4252 dnl FIXME Surely we can test for this rather than hard-code it.
4254 netbsd | openbsd) sound_device="/dev/audio" ;;
4255 *) sound_device="/dev/dsp" ;;
4259 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4260 [Name of the default sound device.])
4263 dnl Emacs can read input using SIGIO and buffering characters itself,
4264 dnl or using CBREAK mode and making C-g cause SIGINT.
4265 dnl The choice is controlled by the variable interrupt_input.
4267 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4269 dnl Emacs uses the presence of the USABLE_SIGIO macro
4270 dnl to indicate whether or not signal-driven I/O is possible. It uses
4271 dnl INTERRUPT_INPUT to decide whether to use it by default.
4273 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4274 dnl CBREAK mode has two disadvantages
4275 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4276 dnl I hear that in system V this problem does not exist.
4277 dnl 2) Control-G causes output to be discarded.
4278 dnl I do not know whether this can be fixed in system V.
4280 dnl Another method of doing input is planned but not implemented.
4281 dnl It would have Emacs fork off a separate process
4282 dnl to read the input and send it to the true Emacs process
4285 darwin | gnu-linux | gnu-kfreebsd )
4286 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4291 dnl If the system's imake configuration file defines 'NeedWidePrototypes'
4292 dnl as 'NO', we must define NARROWPROTO manually. Such a define is
4293 dnl generated in the Makefile generated by 'xmkmf'. If we don't define
4294 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4295 dnl taking float or double parameters.
4297 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4298 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4299 file defines 'NeedWidePrototypes' as 'NO'.])
4304 dnl Used in process.c, this must be a loop, even if it only runs once.
4305 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4306 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4307 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4308 dnl trying suffixes 0-16.
4309 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4310 first PTY, if PTYs are supported.])
4311 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4312 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4313 end of a PTY, if non-standard.])
4314 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4315 end of a PTY, if non-standard.])
4319 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4320 dnl You allocate a pty by opening /dev/ptc to get the master side.
4321 dnl To get the name of the slave side, you just ttyname() the master side.
4322 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4323 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4327 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4328 dnl multi-line AC_DEFINEs are hard. :(
4329 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)])
4330 AC_DEFINE(PTY_NAME_SPRINTF, [])
4331 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4334 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4336 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4337 dnl Not used, because PTY_ITERATION is defined.
4338 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4339 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4340 dnl But we don't have to block SIGCHLD because it is blocked in the
4341 dnl implementation of grantpt.
4342 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4343 AC_DEFINE(PTY_NAME_SPRINTF, [])
4344 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4348 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4351 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd | nacl )
4353 if test "x$ac_cv_func_grantpt" = xyes; then
4354 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4355 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4356 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4357 dnl to prevent sigchld_handler from intercepting the child's death.
4358 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); }])
4359 dnl if HAVE_POSIX_OPENPT
4360 if test "x$ac_cv_func_posix_openpt" = xyes; then
4361 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4362 AC_DEFINE(PTY_NAME_SPRINTF, [])
4364 elif test "x$ac_cv_func_getpt" = xyes; then
4365 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4366 AC_DEFINE(PTY_NAME_SPRINTF, [])
4368 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4371 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4376 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4377 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4378 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4382 dnl It looks like this cannot be right, because it is not a loop.
4383 dnl However, process.c actually does this:
4389 dnl which presumably makes it OK, since irix == sgi (?).
4390 dnl FIXME it seems like this special treatment is unnecessary?
4391 dnl Why can't irix use a single-trip loop like eg cygwin?
4392 AC_DEFINE(PTY_ITERATION, [])
4393 dnl Not used, because PTY_ITERATION is defined.
4394 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4395 AC_DEFINE(PTY_OPEN, [ { struct sigaction ocstat, cstat; struct stat stb; char * name; sigemptyset(&cstat.sa_mask); cstat.sa_handler = SIG_DFL; cstat.sa_flags = 0; sigaction(SIGCHLD, &cstat, &ocstat); name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCHLD, &ocstat, (struct sigaction *)0); if (name == 0) return -1; if (fd < 0) return -1; if (fstat (fd, &stb) < 0) return -1; strcpy (pty_name, name); }])
4396 dnl No need to get the pty name at all.
4397 AC_DEFINE(PTY_NAME_SPRINTF, [])
4398 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4399 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4403 dnl On SysVr4, grantpt(3) forks a subprocess, so do not use
4404 dnl O_CLOEXEC when opening the pty, and keep the SIGCHLD handler
4405 dnl from intercepting that death. If any child but grantpt's should die
4406 dnl within, it should be caught after sigrelse(2).
4407 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4408 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); }])
4412 dnl Comments are as per sol2*.
4413 AC_DEFINE(PTY_OPEN, [fd = open (pty_name, O_RDWR | O_NONBLOCK)])
4414 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); }])
4421 dnl This change means that we don't loop through allocate_pty too
4422 dnl many times in the (rare) event of a failure.
4423 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4424 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4425 dnl Push various streams modules onto a PTY channel. Used in process.c.
4426 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.])
4431 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4432 "typing" a signal character on the pty.])
4435 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4436 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4437 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4438 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4441 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4442 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4443 gnu-linux | gnu-kfreebsd )
4445 AC_MSG_CHECKING([for signals via characters])
4446 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4447 #include <linux/version.h>
4448 #if LINUX_VERSION_CODE < 0x20400
4449 # error "Linux version too old"
4451 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4453 AC_MSG_RESULT([$emacs_signals_via_chars])
4454 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4459 AH_TEMPLATE(TAB3, [Undocumented.])
4462 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4464 gnu | dragonfly | freebsd | netbsd | openbsd )
4465 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4466 AC_DEFINE(TAB3, OXTABS)
4469 gnu-linux | gnu-kfreebsd )
4470 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4474 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4475 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4476 [Mark a secondary stack, like the register stack on the ia64.]), [])
4480 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4481 run_time_remap; for HPUX.])
4486 dnl This won't be used automatically yet. We also need to know, at least,
4487 dnl that the stack is continuous.
4488 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4489 registers relevant for conservative garbage collection in the jmp_buf.])
4493 dnl Not all the architectures are tested, but there are Debian packages
4494 dnl for SCM and/or Guile on them, so the technique must work. See also
4495 dnl comments in alloc.c concerning setjmp and gcc.
4496 dnl Fixme: it's probably safe to just use the GCC conditional below.
4497 gnu-linux | gnu-kfreebsd )
4498 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4499 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4500 || defined __alpha__ || defined __mips__ || defined __s390__ \
4501 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4502 || defined __ia64__ || defined __sh__
4505 # error "setjmp not known to work on this arch"
4507 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4512 if test x$GCC = xyes; then
4513 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4514 AC_DEFINE(GC_SETJMP_WORKS, 1)
4517 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4518 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4519 AC_DEFINE(GC_SETJMP_WORKS, 1)
4524 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4525 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4528 [[#include <setjmp.h>
4530 # define _longjmp longjmp
4535 _longjmp (j, 1);]])],
4536 [emacs_cv_func__setjmp=yes],
4537 [emacs_cv_func__setjmp=no])])
4538 if test $emacs_cv_func__setjmp = yes; then
4539 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4542 # We need to preserve signal mask to handle C stack overflows.
4543 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4546 [[#include <setjmp.h>
4549 if (! sigsetjmp (j, 1))
4550 siglongjmp (j, 1);]])],
4551 [emacs_cv_func_sigsetjmp=yes],
4552 [emacs_cv_func_sigsetjmp=no])])
4553 if test $emacs_cv_func_sigsetjmp = yes; then
4554 AC_DEFINE([HAVE_SIGSETJMP], 1,
4555 [Define to 1 if sigsetjmp and siglongjmp work.])
4558 case $emacs_cv_func_sigsetjmp,$emacs_cv_alternate_stack,$opsys in
4559 yes,yes,* | *,*,mingw32)
4560 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4561 [Define to 1 if C stack overflow can be handled in some cases.]);;
4566 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4567 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4568 dnl and this is all we need.
4569 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4576 dnl Used in xfaces.c.
4577 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4578 some systems, where it requires time.h.])
4583 dnl Define symbols to identify the version of Unix this is.
4584 dnl Define all the symbols that apply correctly.
4585 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4586 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4587 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4588 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4593 dnl This symbol should be defined on AIX Version 3 ???????
4594 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4596 # error "_AIX not defined"
4598 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4602 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4606 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4607 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4608 dnl distinguish OS X from pure Darwin.
4609 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4612 gnu-linux | gnu-kfreebsd )
4614 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4619 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4624 AC_DEFINE(USG5_4, [])
4625 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4629 AC_DEFINE(DOS_NT, [])
4630 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4631 if test "x$ac_enable_checking" != "x" ; then
4632 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4638 AC_DEFINE(USG5_4, [])
4639 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4644 AC_DEFINE(USG5_4, [])
4648 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4651 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4652 emacs_cv_usable_FIONREAD=no
4656 emacs_cv_usable_FIONREAD=yes
4661 [AC_LANG_PROGRAM([[#include <sys/types.h>
4662 #include <sys/ioctl.h>
4664 # include <sys/filio.h>
4667 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4668 [emacs_cv_usable_FIONREAD=yes],
4669 [emacs_cv_usable_FIONREAD=no])
4672 if test $emacs_cv_usable_FIONREAD = yes; then
4673 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4675 if test $emacs_broken_SIGIO = no; then
4676 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4678 [AC_LANG_PROGRAM([[#include <fcntl.h>
4681 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4682 [emacs_cv_usable_SIGIO=yes],
4683 [emacs_cv_usable_SIGIO=no])],
4684 [emacs_cv_usable_SIGIO=yes],
4685 [emacs_cv_usable_SIGIO=no])
4686 if test $emacs_cv_usable_SIGIO = yes; then
4687 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4694 dnl It works to open the pty's tty in the parent (Emacs), then
4695 dnl close and reopen it in the child.
4696 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4697 works to open a pty's tty in the parent process, then close and
4698 reopen it in the child.])
4702 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4703 use VSUSP instead of VSWTCH.])
4707 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4712 # Set up the CFLAGS for real compilation, so we can substitute it.
4713 CFLAGS="$REAL_CFLAGS"
4714 CPPFLAGS="$REAL_CPPFLAGS"
4717 ## Hack to detect a buggy GCC version.
4718 if test "x$GCC" = xyes \
4719 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4720 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4721 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4722 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4725 version=$PACKAGE_VERSION
4727 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4728 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4729 [Short copyright string for this version of Emacs.])
4732 ### Specify what sort of things we'll be editing into Makefile and config.h.
4733 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4735 AC_SUBST(configuration)
4740 AC_SUBST(exec_prefix)
4743 AC_SUBST(sharedstatedir)
4744 AC_SUBST(libexecdir)
4748 AC_SUBST(standardlisppath)
4749 AC_SUBST(locallisppath)
4751 AC_SUBST(x_default_search_path)
4753 AC_SUBST(archlibdir)
4759 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4760 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4761 ## end of LIBX_BASE, but nothing ever set it.
4762 AC_SUBST(LD_SWITCH_X_SITE)
4763 AC_SUBST(C_SWITCH_X_SITE)
4764 AC_SUBST(GNUSTEP_CFLAGS)
4766 ## Used in lwlib/Makefile.in.
4767 AC_SUBST(X_TOOLKIT_TYPE)
4769 AC_SUBST(ns_appbindir)
4770 AC_SUBST(ns_appresdir)
4772 AC_SUBST(GNU_OBJC_CFLAGS)
4773 AC_SUBST(OTHER_FILES)
4775 if test -n "${term_header}"; then
4776 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4777 [Define to the header for the built-in window system.])
4780 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4781 [Define to the canonical Emacs configuration name.])
4782 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4783 [Define to the options passed to configure.])
4784 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4785 define this to include extra configuration information.])
4789 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4796 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4797 AC_DEFINE(HAVE_X_WINDOWS, 1,
4798 [Define to 1 if you want to use the X window system.])
4800 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4802 if test "$USE_CAIRO" = "yes"; then
4803 FONT_OBJ="ftfont.o ftcrfont.o"
4804 elif test "$HAVE_XFT" = "yes"; then
4805 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4806 elif test "$HAVE_FREETYPE" = "yes"; then
4807 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4817 if test "${USE_X_TOOLKIT}" != "none" ; then
4819 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4820 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4821 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4822 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4823 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4827 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4828 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4832 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4833 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4834 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4838 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4839 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4842 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4845 AC_SUBST(WIDGET_OBJ)
4848 case "$USE_X_TOOLKIT" in
4849 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4850 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4851 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4853 AC_SUBST(TOOLKIT_LIBW)
4855 if test "${opsys}" != "mingw32"; then
4856 if test "$USE_X_TOOLKIT" = "none"; then
4857 LIBXT_OTHER="\$(LIBXSM)"
4859 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4862 AC_SUBST(LIBXT_OTHER)
4864 if test "${HAVE_X11}" = "yes" ; then
4865 AC_DEFINE(HAVE_X11, 1,
4866 [Define to 1 if you want to use version 11 of X windows.])
4867 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4871 AC_SUBST(LIBX_OTHER)
4873 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4875 elif test "$USE_X_TOOLKIT" = none; then
4876 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4878 LIBXMENU='$(lwlibdir)/liblw.a'
4882 AC_CACHE_CHECK([for struct alignment],
4883 [emacs_cv_struct_alignment],
4885 [AC_LANG_PROGRAM([[#include <stddef.h>
4886 struct __attribute__ ((aligned (8))) s { char c; };
4887 struct t { char c; struct s s; };
4888 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4890 [emacs_cv_struct_alignment=yes],
4891 [emacs_cv_struct_alignment=no])])
4892 if test "$emacs_cv_struct_alignment" = yes; then
4893 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4894 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4895 structure to an N-byte boundary.])
4898 if test "${GNU_MALLOC}" = "yes" ; then
4899 AC_DEFINE(GNU_MALLOC, 1,
4900 [Define to 1 if you want to use the GNU memory allocator.])
4904 if test "${REL_ALLOC}" = "yes" ; then
4905 AC_DEFINE(REL_ALLOC, 1,
4906 [Define REL_ALLOC if you want to use the relocating allocator for
4909 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4911 AC_SUBST(RALLOC_OBJ)
4913 if test "$opsys" = "cygwin"; then
4914 CYGWIN_OBJ="sheap.o cygw32.o"
4915 ## Cygwin differs because of its unexec().
4917 POST_ALLOC_OBJ=lastfile.o
4918 elif test "$opsys" = "mingw32"; then
4921 POST_ALLOC_OBJ=lastfile.o
4924 PRE_ALLOC_OBJ=lastfile.o
4927 AC_SUBST(CYGWIN_OBJ)
4928 AC_SUBST(PRE_ALLOC_OBJ)
4929 AC_SUBST(POST_ALLOC_OBJ)
4931 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4932 dnl verbatim defined above. The tricky name is apropos, as this hack
4933 dnl makes Fortify go sour!
4934 AH_VERBATIM([FORTIFY_SOUR],
4935 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4936 The workaround disables some useful run-time checking, so it
4937 should be conditional to the platforms with the performance bug.
4938 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4939 #if defined __APPLE__ && defined __GNUC__
4940 # ifndef _DONT_USE_CTYPE_INLINE_
4941 # define _DONT_USE_CTYPE_INLINE_
4943 # ifndef _FORTIFY_SOURCE
4944 # define _FORTIFY_SOURCE 0
4949 # If user asks to omit features, disable optional features that gnulib
4950 # might otherwise enable.
4951 if test "$with_features" = no && test "$enable_acl" != yes; then
4955 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4956 # it temporarily reverts them to their pre-pkg-config values,
4957 # because gnulib needs to work with both src (which uses the
4958 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4959 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4960 # and it therefore needs to run in an environment where LIBS does not
4961 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4962 # for some package unrelated to lib-src.
4965 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4966 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4967 gl_ASSERT_NO_GNULIB_POSIXCHECK
4968 gl_ASSERT_NO_GNULIB_TESTS
4973 if test "${opsys}" = "mingw32"; then
4974 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4975 # Remove unneeded switches from the value of CC that goes to Makefiles
4976 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4980 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4982 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4985 ## The -headerpad option tells ld (see man page) to leave room at the
4986 ## end of the header for adding load commands. Needed for dumping.
4987 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4988 ## architecture (where they are 78 bytes each). The actual number of
4989 ## load commands added is not consistent but normally ranges from
4990 ## about 14 to about 34. Setting it high gets us plenty of slop and
4991 ## only costs about 1.5K of wasted binary space.
4992 headerpad_extra=1000
4993 if test "$HAVE_NS" = "yes"; then
4994 libs_nsgui="-framework AppKit"
4995 if test "$NS_IMPL_COCOA" = "yes"; then
4996 libs_nsgui="$libs_nsgui -framework IOKit"
5001 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
5003 ## This is here because src/Makefile.in did some extra fiddling around
5004 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
5005 ## LD_SWITCH_SYSTEM_TEMACS instead,
5006 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
5007 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5010 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5011 ## find X at run-time.
5012 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5013 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5014 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5015 ## had different values in configure (in ac_link) and src/Makefile.in.
5016 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5017 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5020 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5021 case "$canonical" in
5022 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5023 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5027 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5030 # -nopie fixes a temacs segfault on Gentoo, OpenBSD, and other systems
5031 # with "hardened" GCC configurations for some reason (Bug#18784).
5032 # We don't know why -nopie works, but not segfaulting is better than
5033 # segfaulting. Use ac_c_werror_flag=yes when trying -nopie, otherwise
5034 # clang keeps warning that it does not understand -nopie, and pre-4.6
5035 # GCC has a similar problem (Bug#20338).
5036 AC_CACHE_CHECK([whether $CC accepts -nopie],
5037 [emacs_cv_prog_cc_nopie],
5038 [emacs_save_c_werror_flag=$ac_c_werror_flag
5039 emacs_save_LDFLAGS=$LDFLAGS
5040 ac_c_werror_flag=yes
5041 LDFLAGS="$LDFLAGS -nopie"
5042 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
5043 [emacs_cv_prog_cc_nopie=yes],
5044 [emacs_cv_prog_cc_nopie=no])
5045 ac_c_werror_flag=$emacs_save_c_werror_flag
5046 LDFLAGS=$emacs_save_LDFLAGS])
5047 if test "$emacs_cv_prog_cc_nopie" = yes; then
5048 LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -nopie"
5051 if test x$ac_enable_profiling != x ; then
5053 *freebsd | gnu-linux) ;;
5054 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5058 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5060 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5062 ## Common for all window systems
5063 if test "$window_system" != "none"; then
5064 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5065 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5066 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5069 AC_SUBST(WINDOW_SYSTEM_OBJ)
5071 AH_TOP([/* GNU Emacs site configuration template file.
5073 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
5074 Free Software Foundation, Inc.
5076 This file is part of GNU Emacs.
5078 GNU Emacs is free software: you can redistribute it and/or modify
5079 it under the terms of the GNU General Public License as published by
5080 the Free Software Foundation, either version 3 of the License, or
5081 (at your option) any later version.
5083 GNU Emacs is distributed in the hope that it will be useful,
5084 but WITHOUT ANY WARRANTY; without even the implied warranty of
5085 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5086 GNU General Public License for more details.
5088 You should have received a copy of the GNU General Public License
5089 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5092 /* No code in Emacs #includes config.h twice, but some bits of code
5093 intended to work with other packages as well (like gmalloc.c)
5094 think they can include it as many times as they like. */
5095 #ifndef EMACS_CONFIG_H
5096 #define EMACS_CONFIG_H
5099 AH_BOTTOM([#include <conf_post.h>
5101 #endif /* EMACS_CONFIG_H */
5110 #### Report on what we decided to do.
5111 #### Report GTK as a toolkit, even if it doesn't use Xt.
5112 #### It makes printing result more understandable as using GTK sets
5113 #### toolkit_scroll_bars to yes by default.
5114 if test "${HAVE_GTK}" = "yes"; then
5115 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5118 if test $USE_ACL -ne 0; then
5119 ACL_SUMMARY="yes $LIB_ACL"
5125 Configured for '${canonical}'.
5127 Where should the build process find the source code? ${srcdir}
5128 What compiler should emacs be built with? ${CC} ${CFLAGS}
5129 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5130 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5131 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5132 What window system should Emacs use? ${window_system}
5133 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5135 if test -n "${x_includes}"; then
5136 echo " Where do we find X Windows header files? ${x_includes}"
5138 echo " Where do we find X Windows header files? Standard dirs"
5140 if test -n "${x_libraries}"; then
5141 echo " Where do we find X Windows libraries? ${x_libraries}"
5143 echo " Where do we find X Windows libraries? Standard dirs"
5147 emacs_config_features=
5148 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS \
5149 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5150 LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS X_TOOLKIT X11 NS; do
5153 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5154 CAIRO|TOOLKIT_SCROLL_BARS|X_TOOLKIT) eval val=\${USE_$opt} ;;
5155 *) eval val=\${HAVE_$opt} ;;
5158 xno|xnone|x) continue ;;
5163 GTK*|LUCID|MOTIF) opt=$val ;;
5168 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5171 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5172 [Summary of some of the main features enabled by configure.])
5174 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5175 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5176 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5177 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5178 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5179 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5180 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5181 echo " Does Emacs use cairo? ${USE_CAIRO}"
5182 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5184 echo " Does Emacs support sound? ${HAVE_SOUND}"
5186 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5187 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5188 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5189 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5190 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5191 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5192 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5193 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5194 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5196 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5197 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5198 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5199 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5200 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5202 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5205 if test -n "${EMACSDATA}"; then
5206 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5208 if test -n "${EMACSDOC}"; then
5209 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5214 if test "$HAVE_NS" = "yes"; then
5216 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5217 The installed application will go to nextstep/Emacs.app and can be
5218 run or moved from there."
5219 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5220 echo "The application will be fully self-contained."
5222 echo "The lisp resources for the application will be installed under ${prefix}.
5223 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5224 to run if these resources are not installed."
5229 if test "${opsys}" = "cygwin"; then
5231 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5237 # Remove any trailing slashes in these variables.
5238 [test "${prefix}" != NONE &&
5239 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5240 test "${exec_prefix}" != NONE &&
5241 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5243 if test "$HAVE_NS" = "yes"; then
5244 if test "$NS_IMPL_GNUSTEP" = yes; then
5245 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5246 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5247 ns_check_file=Resources/Info-gnustep.plist
5249 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5250 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5251 ns_check_file=Contents/Info.plist
5253 AC_SUBST(ns_check_file)
5256 dnl config.status treats $srcdir specially, so I think this is ok...
5257 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5259 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5260 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5261 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5262 dnl (else you get "no 'Makefile.am' found for any configure output").
5263 dnl This will work, but you get a config.status that is not quite right
5264 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5265 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5266 dnl it seems better to just live with the duplication.
5267 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5269 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5270 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5271 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5272 leim/Makefile nextstep/Makefile nt/Makefile])
5274 dnl test/ is not present in release tarfiles.
5275 opt_makefile=test/automated/Makefile
5277 if test -f "$srcdir/$opt_makefile.in"; then
5278 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5279 dnl Again, it's best not to use a variable. Though you can add
5280 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5281 AC_CONFIG_FILES([test/automated/Makefile])
5285 dnl The admin/ directory used to be excluded from tarfiles.
5286 if test -d $srcdir/admin; then
5287 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/charsets/Makefile admin/unidata/Makefile admin/grammars/Makefile"
5288 AC_CONFIG_FILES([admin/charsets/Makefile])
5289 AC_CONFIG_FILES([admin/unidata/Makefile])
5290 AC_CONFIG_FILES([admin/grammars/Makefile])
5294 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5296 AC_SUBST(SUBDIR_MAKEFILES_IN)
5298 dnl You might wonder (I did) why epaths.h is generated by running make,
5299 dnl rather than just letting configure generate it from epaths.in.
5300 dnl One reason is that the various paths are not fully expanded (see above);
5301 dnl eg gamedir=${prefix}/var/games/emacs.
5302 dnl Secondly, the GNU Coding standards require that one should be able
5303 dnl to run 'make prefix=/some/where/else' and override the values set
5304 dnl by configure. This also explains the 'move-if-change' test and
5305 dnl the use of force in the 'epaths-force' rule in Makefile.in.
5306 AC_CONFIG_COMMANDS([src/epaths.h], [
5307 if test "${opsys}" = "mingw32"; then
5308 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5310 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5311 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5312 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5314 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5315 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5317 AC_CONFIG_COMMANDS([src/.gdbinit], [
5318 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5319 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5323 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5324 dnl See comments for etc-refcards-emacsver.tex.
5325 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5326 dnl it is not quite the same. But we are generating in $srcdir.
5327 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5328 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5329 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5332 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5333 dnl then a directory etc/refcards is created in the build directory,
5334 dnl which is probably harmless, but confusing (in out-of-tree builds).
5335 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5336 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5337 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5338 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5339 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5344 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])