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, 1999-2014 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.
141 configuration=${host_alias-${build_alias-$host}}
143 dnl We get MINGW64 with MSYS2, MINGW32 with MSYS.
146 . $srcdir/nt/mingw-cfg.site
150 # srcdir is an absolute path. In this case, force the format
151 # "/c/foo/bar", to simplify later conversions to native Windows
152 # format ("c:/foo/bar").
153 srcdir=`cd "${srcdir}" && pwd -W`
154 # 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612).
155 eval 'srcdir="/${srcdir:0:1}${srcdir:2}"'
160 dnl Support for --program-prefix, --program-suffix and
161 dnl --program-transform-name options
164 dnl It is important that variables on the RHS not be expanded here,
165 dnl hence the single quotes. This is per the GNU coding standards, see
166 dnl (autoconf) Installation Directory Variables
167 dnl See also epaths.h below.
168 lispdir='${datadir}/emacs/${version}/lisp'
169 standardlisppath='${lispdir}'
170 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
171 '${datadir}/emacs/site-lisp'
172 lisppath='${locallisppath}:${standardlisppath}'
173 etcdir='${datadir}/emacs/${version}/etc'
174 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
175 etcdocdir='${datadir}/emacs/${version}/etc'
176 gamedir='${localstatedir}/games/emacs'
178 dnl Special option to disable the most of other options.
180 [AS_HELP_STRING([--without-all],
181 [omit almost all features and build
182 small executable with minimal dependencies])],
183 [with_features=$withval],
186 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
187 dnl Create a new --with option that defaults to being disabled.
188 dnl NAME is the base name of the option. The shell variable with_NAME
189 dnl will be set to either the user's value (if the option is
190 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
191 dnl option is not specified). Note that the shell variable name is
192 dnl constructed as autoconf does, by replacing non-alphanumeric
193 dnl characters with "_".
194 dnl HELP-STRING is the help text for the option.
195 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
196 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
197 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
200 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
201 dnl Create a new --with option that defaults to $with_features.
202 dnl NAME is the base name of the option. The shell variable with_NAME
203 dnl will be set either to 'no' (for a plain --without-NAME) or to
204 dnl 'yes' (if the option is not specified). Note that the shell
205 dnl variable name is constructed as autoconf does, by replacing
206 dnl non-alphanumeric characters with "_".
207 dnl HELP-STRING is the help text for the option.
208 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
209 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
210 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
213 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
214 if test "$with_pop" = yes; then
215 AC_DEFINE(MAIL_USE_POP)
217 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
219 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
220 if test "$with_kerberos" != no; then
223 AH_TEMPLATE(KERBEROS,
224 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
226 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
227 if test "${with_kerberos5}" != no; then
228 if test "${with_kerberos}" = no; then
232 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
235 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
236 dnl FIXME hesiod support may not be present, so it seems like an error
237 dnl to define, or at least use, this unconditionally.
238 if test "$with_hesiod" != no; then
239 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
242 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
243 if test "$with_mmdf" != no; then
244 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
247 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
248 if test "$with_mail_unlink" != no; then
249 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
252 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
253 [string giving default POP mail host])],
254 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
256 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
257 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
258 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
259 [ case "${withval}" in
260 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
261 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
262 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
267 [with_sound=$with_features])
269 dnl FIXME currently it is not the last.
270 dnl This should be the last --with option, because --with-x is
271 dnl added later on when we find the file name of X, and it's best to
272 dnl keep them together visually.
273 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
274 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
275 [ case "${withval}" in
276 y | ye | yes ) val=gtk ;;
278 l | lu | luc | luci | lucid ) val=lucid ;;
279 a | at | ath | athe | athen | athena ) val=athena ;;
280 m | mo | mot | moti | motif ) val=motif ;;
281 g | gt | gtk ) val=gtk ;;
285 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
286 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
287 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
288 `athena' and `lucid' are synonyms.])
294 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
295 if test "$with_wide_int" = yes; then
296 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
299 dnl _ON results in a '--without' option in the --help output, so
300 dnl the help text should refer to "don't compile", etc.
301 with_xpm_set=${with_xpm+set}
302 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
303 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
304 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
305 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
306 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
307 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
308 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
309 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
311 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
312 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
313 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
315 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
316 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
317 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
318 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
319 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
321 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
322 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
323 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
324 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
325 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
326 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
327 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
329 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
330 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
331 [ case "${withval}" in
332 y | ye | yes ) val=yes ;;
334 g | gf | gfi | gfil | gfile ) val=gfile ;;
335 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
336 w | w3 | w32 ) val=w32 ;;
337 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
338 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
339 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
340 otherwise for the first of `gfile' or `inotify' that is usable.])
343 with_file_notification=$val
345 [with_file_notification=$with_features])
347 ## For the times when you want to build Emacs but don't have
348 ## a suitable makeinfo, and can live without the manuals.
349 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
350 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
352 ## This might be a 'configure' arg.
353 AC_SUBST([ACLOCAL_PATH])
355 ## Makefile.in needs the cache file name.
358 ## This is an option because I do not know if all info/man support
359 ## compressed files, nor how to test if they do so.
360 OPTION_DEFAULT_ON([compress-install],
361 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
362 make GZIP_PROG= install])
364 AC_ARG_WITH(gameuser,dnl
365 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
366 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
367 && gameuser="${with_gameuser}"
368 test "X$gameuser" = X && gameuser=games
370 AC_ARG_WITH([gnustep-conf],dnl
371 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
372 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
373 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
374 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
375 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
376 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
378 AC_ARG_ENABLE(ns-self-contained,
379 [AS_HELP_STRING([--disable-ns-self-contained],
380 [disable self contained build under NeXTstep])],
381 EN_NS_SELF_CONTAINED=$enableval,
382 EN_NS_SELF_CONTAINED=yes)
384 AC_ARG_ENABLE(locallisppath,
385 [AS_HELP_STRING([--enable-locallisppath=PATH],
386 [directories Emacs should search for lisp files specific
388 if test "${enableval}" = "no"; then
390 elif test "${enableval}" != "yes"; then
391 locallisppath=${enableval}
394 AC_ARG_ENABLE(checking,
395 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
396 [enable expensive run-time checks. With LIST,
397 enable only specific categories of checks.
398 Categories are: all,yes,no.
399 Flags are: stringbytes, stringoverrun, stringfreelist,
400 xmallocoverrun, conslist, glyphs])],
401 [ac_checking_flags="${enableval}"],[])
402 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
403 for check in $ac_checking_flags
406 # these set all the flags to specific states
407 yes) ac_enable_checking=1 ;;
408 no) ac_enable_checking= ;
409 ac_gc_check_stringbytes= ;
410 ac_gc_check_string_overrun= ;
411 ac_gc_check_string_free_list= ;
412 ac_xmalloc_overrun= ;
413 ac_gc_check_cons_list= ;
415 all) ac_enable_checking=1 ;
416 ac_gc_check_stringbytes=1 ;
417 ac_gc_check_string_overrun=1 ;
418 ac_gc_check_string_free_list=1 ;
419 ac_xmalloc_overrun=1 ;
420 ac_gc_check_cons_list=1 ;
422 # these enable particular checks
423 stringbytes) ac_gc_check_stringbytes=1 ;;
424 stringoverrun) ac_gc_check_string_overrun=1 ;;
425 stringfreelist) ac_gc_check_string_free_list=1 ;;
426 xmallocoverrun) ac_xmalloc_overrun=1 ;;
427 conslist) ac_gc_check_cons_list=1 ;;
428 glyphs) ac_glyphs_debug=1 ;;
429 *) AC_MSG_ERROR(unknown check category $check) ;;
434 if test x$ac_enable_checking != x ; then
435 AC_DEFINE(ENABLE_CHECKING, 1,
436 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
438 if test x$ac_gc_check_stringbytes != x ; then
439 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
440 [Define this temporarily to hunt a bug. If defined, the size of
441 strings is redundantly recorded in sdata structures so that it can
442 be compared to the sizes recorded in Lisp strings.])
444 if test x$ac_gc_check_string_overrun != x ; then
445 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
446 [Define this to check for short string overrun.])
448 if test x$ac_gc_check_string_free_list != x ; then
449 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
450 [Define this to check the string free list.])
452 if test x$ac_xmalloc_overrun != x ; then
453 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
454 [Define this to check for malloc buffer overrun.])
456 if test x$ac_gc_check_cons_list != x ; then
457 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
458 [Define this to check for errors in cons list.])
460 if test x$ac_glyphs_debug != x ; then
461 AC_DEFINE(GLYPH_DEBUG, 1,
462 [Define this to enable glyphs debugging code.])
465 AC_ARG_ENABLE(check-lisp-object-type,
466 [AS_HELP_STRING([--enable-check-lisp-object-type],
467 [enable compile time checks for the Lisp_Object data type.
468 This is useful for development for catching certain types of bugs.])],
469 if test "${enableval}" != "no"; then
470 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
471 [Define this to enable compile time checks for the Lisp_Object data type.])
475 dnl The name of this option is unfortunate. It predates, and has no
476 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
477 dnl Actually, it stops it working.
478 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
479 AC_ARG_ENABLE(profiling,
480 [AS_HELP_STRING([--enable-profiling],
481 [build emacs with low-level, gprof profiling support.
482 Mainly useful for debugging Emacs itself. May not work on
483 all platforms. Stops profiler.el working.])],
484 [ac_enable_profiling="${enableval}"],[])
485 if test x$ac_enable_profiling != x ; then
486 PROFILING_CFLAGS="-DPROFILING=1 -pg"
490 AC_SUBST(PROFILING_CFLAGS)
492 AC_ARG_ENABLE(autodepend,
493 [AS_HELP_STRING([--enable-autodepend],
494 [automatically generate dependencies to .h-files.
495 Requires gcc, enabled if found.])],
496 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
498 AC_ARG_ENABLE(gtk-deprecation-warnings,
499 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
500 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
501 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
503 dnl This used to use changequote, but, apart from `changequote is evil'
504 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
505 dnl the great gob of text. Thus it's not processed for possible expansion.
506 dnl Just make sure the brackets remain balanced.
508 dnl Since Emacs can't find matching pairs of quotes, boundaries are
509 dnl indicated by comments.
513 ### If you add support for a new configuration, add code to this
514 ### switch statement to recognize your configuration name and select
515 ### the appropriate opsys.
517 ### As far as handling version numbers on operating systems is
518 ### concerned, make sure things will fail in a fixable way. If
519 ### /etc/MACHINES doesn't say anything about version numbers, be
520 ### prepared to handle anything reasonably. If version numbers
521 ### matter, be sure /etc/MACHINES says something about it.
524 case "${canonical}" in
526 ## GNU/Linux and similar ports
541 ## FreeBSD kernel + glibc based userland
552 *-*-openbsd* | *-*-mirbsd* )
556 ## Apple Darwin / Mac OS X
558 case "${canonical}" in
559 *-apple-darwin[0-9].*) unported=yes ;;
560 i[3456]86-* | x86_64-* ) ;;
564 ## Use fink packages if available.
565 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
566 ## if test -d /sw/include && test -d /sw/lib; then
567 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
568 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
577 ## HP 9000 series 700 and 800, running HP/UX
581 hppa*-hp-hpux1[1-9]* )
583 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
587 rs6000-ibm-aix4.[23]* )
590 powerpc-ibm-aix4.[23]* )
593 rs6000-ibm-aix[56]* )
596 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
600 ## Silicon Graphics machines
604 # Without defining _LANGUAGE_C, things get masked out in the headers
605 # so that, for instance, grepping for `free' in stdlib.h fails and
606 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
607 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
612 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
613 | x86_64-*-solaris2* | x86_64-*-sunos5*)
614 case "${canonical}" in
616 amd64-*-*|x86_64-*-*) ;;
620 case "${canonical}" in
621 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
623 emacs_check_sunpro_c=yes
625 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
626 ## Note that Emacs 23.1's NEWS said the following would be dropped.
627 *-sunos5.6* | *-solaris2.6* )
631 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
632 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
634 emacs_check_sunpro_c=yes
637 ## Watch out for a compiler that we know will not work.
638 case "${canonical}" in
639 *-solaris* | *-sunos5* )
640 if [ "x$CC" = x/usr/ucb/cc ]; then
641 ## /usr/ucb/cc doesn't work;
642 ## we should find some other compiler that does work.
650 ## Intel 386 machines where we don't care about the manufacturer.
652 case "${canonical}" in
653 *-darwin* ) opsys=darwin ;;
656 # MinGW overrides and adds some system headers in nt/inc.
657 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
659 *-sysv4.2uw* ) opsys=unixware ;;
660 *-sysv5uw* ) opsys=unixware ;;
661 *-sysv5OpenUNIX* ) opsys=unixware ;;
662 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
668 case "${canonical}" in
671 # MinGW overrides and adds some system headers in nt/inc.
672 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
674 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
683 ### If the code above didn't choose an operating system, just choose
684 ### an operating system based on the configuration name. You really
685 ### only want to use this when you have no idea what the right
686 ### operating system is; if you know what operating systems a machine
687 ### runs, it's cleaner to make it explicit in the case statement
689 if test x"${opsys}" = x; then
690 case "${canonical}" in
691 *-gnu* ) opsys=gnu ;;
701 if test $unported = yes; then
702 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
703 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
704 Check `etc/MACHINES' for recognized configuration names.])
707 #### Choose a compiler.
709 dnl Don't bother to test for C89.
710 AC_DEFUN([_AC_PROG_CC_C89], [$2])
712 dnl Sets GCC=yes if using gcc.
713 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
714 if test -n "$XCRUN"; then
715 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
716 test -n "$AR" && export AR
719 dnl Emacs needs C99 or later.
724 if test x$GCC = xyes; then
725 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
727 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
730 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
731 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
732 dnl that clash with MinGW.
733 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
735 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
736 AC_DEFUN([gl_CRYPTO_CHECK])
737 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
738 # as we don't use them.
739 AC_DEFUN([gl_FCNTL_O_FLAGS])
741 # Initialize gnulib right after choosing the compiler.
742 dnl Amongst other things, this sets AR and ARFLAGS.
745 if test "$ac_test_CFLAGS" != set; then
746 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
747 # if -g3 works and the user does not specify CFLAGS.
748 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
751 emacs_g3_CFLAGS='-g3';;
753 emacs_g3_CFLAGS='-g3 -O2';;
757 if test -n "$emacs_g3_CFLAGS"; then
758 emacs_save_CFLAGS=$CFLAGS
759 CFLAGS=$emacs_g3_CFLAGS
760 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
761 [emacs_cv_prog_cc_g3],
762 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
763 [emacs_cv_prog_cc_g3=yes],
764 [emacs_cv_prog_cc_g3=no])])
765 if test $emacs_cv_prog_cc_g3 != yes; then
766 CFLAGS=$emacs_save_CFLAGS
768 if test $opsys = mingw32; then
769 CFLAGS="$CFLAGS -gdwarf-2"
776 # No optimization flag was inferred for this non-GCC compiler.
777 # Try -O. This is needed for xlc on AIX; see Bug#14258.
778 emacs_save_CFLAGS=$CFLAGS
779 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
781 AC_CACHE_CHECK([whether $CC accepts -O],
782 [emacs_cv_prog_cc_o],
783 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
784 [emacs_cv_prog_cc_o=yes],
785 [emacs_cv_prog_cc_o=no])])
786 if test $emacs_cv_prog_cc_o != yes; then
787 CFLAGS=$emacs_save_CFLAGS
792 AC_ARG_ENABLE([gcc-warnings],
793 [AS_HELP_STRING([--enable-gcc-warnings],
794 [turn on lots of GCC warnings/errors. This is intended for
795 developers, and may generate false alarms when used
796 with older or non-GNU development tools.])],
799 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
801 gl_gcc_warnings=$enableval],
805 # clang is unduly picky about some things.
806 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
813 [emacs_cv_clang=yes],
814 [emacs_cv_clang=no])])
816 # When compiling with GCC, prefer -isystem to -I when including system
817 # include files, to avoid generating useless diagnostics for the files.
818 if test "$gl_gcc_warnings" != yes; then
820 if test "$emacs_cv_clang" = yes
822 # Turn off some warnings if supported.
823 gl_WARN_ADD([-Wno-switch])
824 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
825 gl_WARN_ADD([-Wno-pointer-sign])
826 gl_WARN_ADD([-Wno-string-plus-int])
831 # This, $nw, is the list of warnings we disable.
834 case $with_x_toolkit in
835 lucid | athena | motif)
836 # Old toolkits mishandle 'const'.
837 nw="$nw -Wwrite-strings"
840 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
843 AC_SUBST([WERROR_CFLAGS])
845 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
846 nw="$nw -Woverlength-strings" # Not a problem these days
847 nw="$nw -Wformat-nonliteral" # we do this a lot
848 nw="$nw -Wvla" # Emacs uses <vla.h>.
849 nw="$nw -Wswitch-default" # Too many warnings for now
850 nw="$nw -Winline" # OK to ignore 'inline'
851 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
852 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
853 # signed overflow has undefined behavior
854 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
855 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
856 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
858 # Emacs doesn't care about shadowing; see
859 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
862 # Emacs's use of alloca inhibits protecting the stack.
863 nw="$nw -Wstack-protector"
865 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
866 # option problematic.
867 nw="$nw -Wsuggest-attribute=pure"
869 # This part is merely for shortening the command line,
870 # since -Wno-FOO needs to be added below regardless.
871 nw="$nw -Wmissing-field-initializers"
873 nw="$nw -Wtype-limits"
874 nw="$nw -Wunused-parameter"
876 if test $emacs_cv_clang = yes; then
877 nw="$nw -Wcast-align"
880 gl_MANYWARN_ALL_GCC([ws])
881 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
885 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
886 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
887 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
888 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
889 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
890 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
891 gl_WARN_ADD([-Wno-format-nonliteral])
893 # More things that clang is unduly picky about.
894 if test $emacs_cv_clang = yes; then
895 gl_WARN_ADD([-Wno-format-extra-args])
896 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
897 gl_WARN_ADD([-Wno-unused-command-line-argument])
898 gl_WARN_ADD([-Wno-unused-value])
901 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
902 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
903 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
904 [/* Enable compile-time and run-time bounds-checking, and some warnings,
905 without upsetting glibc 2.15+. */
906 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
907 && defined __OPTIMIZE__ && __OPTIMIZE__)
908 # define _FORTIFY_SOURCE 2
912 # We use a slightly smaller set of warning options for lib/.
913 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
915 nw="$nw -Wunused-macros"
917 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
918 AC_SUBST([GNULIB_WARN_CFLAGS])
928 AC_ARG_ENABLE(link-time-optimization,
929 [AS_HELP_STRING([--enable-link-time-optimization],
930 [build emacs with link-time optimization.
931 This requires GCC 4.5.0 or later, or clang.
932 (Note that clang support is experimental - see INSTALL.)
933 It also makes Emacs harder to debug, and when we tried it
934 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
935 recommended for typical use.])],
936 if test "${enableval}" != "no"; then
938 if test $emacs_cv_clang = yes; then
939 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
940 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
941 if test -x "$GOLD_PLUGIN"; then
944 elif test x$GCC = xyes; then
945 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
946 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
947 if test x$CPUS != x; then
953 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
955 if test -z "$LTO"; then
959 CFLAGS="$CFLAGS $LTO"
960 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
961 [ac_lto_supported=yes], [ac_lto_supported=no])
964 AC_MSG_RESULT([$ac_lto_supported])
965 if test "$ac_lto_supported" = "yes"; then
966 CFLAGS="$CFLAGS $LTO"
967 if test x$emacs_cv_clang = xyes; then
968 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
969 # WARNING: 'ar --plugin ...' doesn't work without
970 # command, so plugin name is appended to ARFLAGS.
971 ARFLAGS="cru --plugin $GOLD_PLUGIN"
972 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
974 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
975 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
976 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
977 dnl dump core on Fedora 20, so play it safe for now.
978 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
979 [CFLAGS="$CFLAGS -ffat-lto-objects"])
984 dnl Port to Automake 1.11.
985 dnl This section can be removed once we assume Automake 1.14 or later.
986 : ${AM_DEFAULT_VERBOSITY=1}
987 : ${AM_V=$AM_DEFAULT_VERBOSITY}
988 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
990 AM_SUBST_NOTMAKE([AM_V])
991 AC_SUBST([AM_DEFAULT_V])
992 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
993 AC_SUBST([AM_DEFAULT_VERBOSITY])
995 dnl Some other nice autoconf tests.
996 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
999 dnl if test "x$RANLIB" = x; then
1004 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1005 dnl can be made to directories. This is not relevant for our usage, and
1006 dnl excludes some cases that work fine for us. Eg MS Windows or files
1007 dnl hosted on AFS, both examples where simple links work, but links to
1008 dnl directories fail. We use a cut-down version instead.
1011 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1012 rm -f conf$$ conf$$.file
1014 LN_S_FILEONLY='cp -p'
1016 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1017 dnl random program in the current directory.
1018 if (echo >conf$$.file) 2>/dev/null; then
1019 if ln -s conf$$.file conf$$ 2>/dev/null; then
1020 if test "$opsys" = "mingw32"; then
1021 LN_S_FILEONLY='/bin/ln -s'
1023 LN_S_FILEONLY='ln -s'
1025 elif ln conf$$.file conf$$ 2>/dev/null; then
1026 if test "$opsys" = "mingw32"; then
1027 LN_S_FILEONLY=/bin/ln
1034 rm -f conf$$ conf$$.file
1036 if test "$LN_S_FILEONLY" = "ln -s"; then
1037 AC_MSG_RESULT([yes])
1039 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1042 AC_SUBST(LN_S_FILEONLY)
1045 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1046 dnl doesn't support links to directories, as in "ln file dir". But that
1047 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1048 dnl executables at "make install" time.
1049 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1050 dnl for more details.
1051 if test "$opsys" = "mingw32"; then
1055 dnl On some Debian versions, "install-info" prints irritating messages
1056 dnl "This is not dpkg install-info anymore, but GNU install-info"
1057 dnl if called via an absolute file name.
1058 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1059 dnl Sadly some people may have an old ginstall-info installed on
1060 dnl non-Debian systems, so we can't use this.
1061 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1062 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1064 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1065 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1066 dnl Don't use GZIP, which is used by gzip for additional parameters.
1067 AC_PATH_PROG(GZIP_PROG, gzip)
1069 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1070 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1072 if test $opsys = gnu-linux; then
1073 AC_PATH_PROG(PAXCTL, paxctl,,
1074 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1075 if test "X$PAXCTL" != X; then
1076 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1077 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1078 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1079 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1082 if test "${SETFATTR+set}" != set; then
1083 AC_CACHE_CHECK([for setfattr],
1084 [emacs_cv_prog_setfattr],
1086 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1087 emacs_cv_prog_setfattr=yes
1089 emacs_cv_prog_setfattr=no
1091 if test "$emacs_cv_prog_setfattr" = yes; then
1097 AC_SUBST([SETFATTR])
1101 ## Need makeinfo >= 4.7 (?) to build the manuals.
1102 if test "$MAKEINFO" != "no"; then
1103 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1106 case `($MAKEINFO --version) 2>/dev/null` in
1107 *' (GNU texinfo) '4.[[7-9]]* | \
1108 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1109 *' (GNU texinfo) '[[5-9]]* | \
1110 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1115 ## Makeinfo is unusual. For a released Emacs, the manuals are
1116 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1117 ## therefore in the category of "special tools" not normally required, which
1118 ## configure does not have to check for (eg autoconf itself).
1119 ## In a repository checkout on the other hand, the manuals are not included.
1120 ## So makeinfo is a requirement to build from the repository, and configure
1121 ## should test for it as it does for any other build requirement.
1122 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1123 ## with pre-built manuals, from a repository checkout.
1126 if test "$MAKEINFO" = "no"; then
1128 if test "x${with_makeinfo}" = "xno"; then
1130 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1131 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1132 source tree does not seem to have pre-built manuals in the `info' directory.
1133 Either install a suitable version of makeinfo, or re-run configure
1134 with the `--without-makeinfo' option to build without the manuals.] )
1137 AC_SUBST(HAVE_MAKEINFO)
1139 if test $opsys = mingw32; then
1140 DOCMISC_W32=efaq-w32
1144 AC_SUBST(DOCMISC_W32)
1146 dnl Add our options to ac_link now, after it is set up.
1148 if test x$GCC = xyes; then
1149 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1150 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1152 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1153 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1156 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1157 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1158 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1159 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1160 dnl if not built to support GNU ld.
1162 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1163 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1164 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1165 dnl Eg "make LDFLAGS=... all" could run into problems,
1166 dnl http://bugs.debian.org/684788
1167 dnl * unnecessary, since temacs is the only thing that actually needs it.
1168 dnl Indeed this is where it was originally, prior to:
1169 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1170 late_LDFLAGS="$LDFLAGS"
1171 if test x$GCC = xyes; then
1172 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1174 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1177 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1179 AC_MSG_CHECKING([for -znocombreloc])
1180 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1181 [AC_MSG_RESULT(yes)],
1182 LDFLAGS_NOCOMBRELOC=
1183 [AC_MSG_RESULT(no)])
1185 LDFLAGS="$late_LDFLAGS"
1187 AC_CACHE_CHECK([whether addresses are sanitized],
1188 [emacs_cv_sanitize_address],
1191 [[#ifndef __has_feature
1192 #define __has_feature(f) 0
1194 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1196 error "Addresses are not sanitized.";
1199 [emacs_cv_sanitize_address=yes],
1200 [emacs_cv_sanitize_address=no])])
1202 dnl The function dump-emacs will not be defined and temacs will do
1203 dnl (load "loadup") automatically unless told otherwise.
1204 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1206 your-opsys-here) CANNOT_DUMP=yes ;;
1209 if test "$CANNOT_DUMP" = "yes"; then
1210 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1211 elif test "$emacs_cv_sanitize_address" = yes; then
1212 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1215 AC_SUBST(CANNOT_DUMP)
1218 UNEXEC_OBJ=unexelf.o
1220 # MSDOS uses unexcoff.o
1222 UNEXEC_OBJ=unexaix.o
1228 UNEXEC_OBJ=unexmacosx.o
1231 UNEXEC_OBJ=unexhp9k800.o
1234 UNEXEC_OBJ=unexw32.o
1237 # Use the Solaris dldump() function, called from unexsol.c, to dump
1238 # emacs, instead of the generic ELF dump code found in unexelf.c.
1239 # The resulting binary has a complete symbol table, and is better
1240 # for debugging and other observability tools (debuggers, pstack, etc).
1242 # If you encounter a problem using dldump(), please consider sending
1243 # a message to the OpenSolaris tools-linking mailing list:
1244 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1246 # It is likely that dldump() works with older Solaris too, but this has
1247 # not been tested, so for now this change is for Solaris 10 or newer.
1248 UNEXEC_OBJ=unexsol.o
1255 ## Let `ld' find image libs and similar things in /usr/local/lib.
1256 ## The system compiler, GCC, has apparently been modified to not
1257 ## look there, contrary to what a stock GCC would do.
1258 ### It's not our place to do this. See bug#10313#17.
1259 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1264 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1265 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1269 ### It's not our place to do this. See bug#10313#17.
1270 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1275 ## Han Boetes <han@boetes.org> says this is necessary,
1276 ## otherwise Emacs dumps core on elf systems.
1277 LD_SWITCH_SYSTEM="-Z"
1280 AC_SUBST(LD_SWITCH_SYSTEM)
1282 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1284 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1285 ## which has not been defined yet. When this was handled with cpp,
1286 ## it was expanded to null when configure sourced the s/*.h file.
1287 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1288 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1289 ## (or somesuch), but because it is supposed to go at the _front_
1290 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1291 ## Compare with the gnu-linux case below, which added to the end
1292 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1293 ## LD_SWITCH_SYSTEM_TEMACS.
1296 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1303 AC_CHECK_DECL([__ELF__])
1304 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1305 ## With ELF, make sure that all common symbols get allocated to in the
1306 ## data section. Otherwise, the dump of temacs may miss variables in
1307 ## the shared library that have been initialized. For example, with
1308 ## GNU libc, __malloc_initialized would normally be resolved to the
1309 ## shared library's .bss section, which is fatal.
1310 if test "x$GCC" = "xyes"; then
1311 C_SWITCH_MACHINE="-fno-common"
1313 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1316 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1317 dnl albeit under the mistaken assumption that said file
1318 dnl was no longer used.
1319 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1323 AC_SUBST(C_SWITCH_MACHINE)
1325 AC_SUBST(UNEXEC_OBJ)
1328 ## Some programs in src produce warnings saying certain subprograms
1329 ## are too complex and need a MAXMEM value greater than 2000 for
1330 ## additional optimization. --nils@exp-math.uni-essen.de
1331 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1332 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1333 if test "$opsys" = "mingw32"; then
1334 case "$canonical" in
1335 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1336 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1339 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1340 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1341 AC_SUBST(C_SWITCH_SYSTEM)
1346 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1347 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1349 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1351 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1353 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1355 ## Motif needs -lgen.
1356 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1359 AC_SUBST(LIBS_SYSTEM)
1361 ### Make sure subsequent tests use flags consistent with the build flags.
1363 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1364 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1366 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1369 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1370 AC_DEFUN([AC_TYPE_SIZE_T])
1371 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1372 AC_DEFUN([AC_TYPE_UID_T])
1374 # sqrt and other floating-point functions such as fmod and frexp
1375 # are found in -lm on many systems.
1377 AC_SEARCH_LIBS([sqrt], [m])
1378 if test "X$LIBS" = "X$OLD_LIBS"; then
1381 LIB_MATH=$ac_cv_search_sqrt
1385 dnl Current possibilities handled by sed (aix4-2 -> aix,
1386 dnl gnu-linux -> gnu/linux, etc.):
1387 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1388 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1389 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1396 ## Adding -lm confuses the dynamic linker, so omit it.
1399 freebsd | dragonfly )
1400 SYSTEM_TYPE=berkeley-unix
1402 gnu-linux | gnu-kfreebsd )
1404 hpux10-20 | hpux11 )
1408 SYSTEM_TYPE=windows-nt
1410 dnl NB this may be adjusted below.
1412 SYSTEM_TYPE=berkeley-unix
1416 SYSTEM_TYPE=usg-unix-v
1422 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1423 [The type of system you are compiling for; sets `system-type'.])
1426 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1427 pre_PKG_CONFIG_LIBS=$LIBS
1429 PKG_PROG_PKG_CONFIG(0.9.0)
1431 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1432 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1433 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1434 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1435 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1436 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1438 AC_DEFUN([EMACS_CHECK_MODULES],
1439 [PKG_CHECK_MODULES([$1], [$2],
1440 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1441 m4_default([$3], [HAVE_$1=yes])],
1442 [m4_default([$4], [HAVE_$1=no])])])
1445 if test "${with_sound}" != "no"; then
1446 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1447 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1448 have_sound_header=yes, [], [
1450 #define WIN32_LEAN_AND_MEAN
1451 #include <windows.h>
1454 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1455 AC_MSG_ERROR([OSS sound support requested but not found.])
1457 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1458 # Emulation library used on NetBSD.
1459 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1460 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1461 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1462 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1463 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1467 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1469 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1470 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1471 if test $HAVE_ALSA = yes; then
1472 SAVE_CFLAGS="$CFLAGS"
1474 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1475 LIBS="$ALSA_LIBS $LIBS"
1476 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1477 emacs_alsa_normal=yes,
1478 emacs_alsa_normal=no)
1479 if test "$emacs_alsa_normal" != yes; then
1480 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1481 [[snd_lib_error_set_handler (0);]])],
1482 emacs_alsa_subdir=yes,
1483 emacs_alsa_subdir=no)
1484 if test "$emacs_alsa_subdir" != yes; then
1485 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1487 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1490 CFLAGS="$SAVE_CFLAGS"
1492 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1493 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1494 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1495 elif test "${with_sound}" = "alsa"; then
1496 AC_MSG_ERROR([ALSA sound support requested but not found.])
1498 fi dnl with_sound = alsa|yes
1500 dnl Define HAVE_SOUND if we have sound support. We know it works and
1501 dnl compiles only on the specified platforms. For others, it
1502 dnl probably doesn't make sense to try.
1503 dnl FIXME So surely we should bypass this whole section if not using
1504 dnl one of these platforms?
1505 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1507 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1508 dnl Adjust the --with-sound help text if you change this.
1509 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1510 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1516 AC_SUBST(CFLAGS_SOUND)
1519 dnl checks for header files
1520 AC_CHECK_HEADERS_ONCE(
1525 sys/utsname.h pwd.h utmp.h util.h)
1527 AC_MSG_CHECKING(if personality LINUX32 can be set)
1528 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1529 emacs_cv_personality_linux32=yes,
1530 emacs_cv_personality_linux32=no)
1531 AC_MSG_RESULT($emacs_cv_personality_linux32)
1533 if test $emacs_cv_personality_linux32 = yes; then
1534 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1535 [Define to 1 if personality LINUX32 can be set.])
1538 # Note that Solaris has sys/sysinfo.h which defines struct
1539 # sysinfo as well. To make sure that we're using GNU/Linux
1540 # sysinfo, we explicitly set one of its fields.
1541 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1542 AC_MSG_CHECKING([if Linux sysinfo may be used])
1543 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1544 [[struct sysinfo si;
1547 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1548 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1549 if test $emacs_cv_linux_sysinfo = yes; then
1550 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1551 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1552 [[struct sysinfo si; return si.mem_unit]])],
1553 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1554 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1558 dnl On Solaris 8 there's a compilation warning for term.h because
1559 dnl it doesn't define `bool'.
1560 AC_CHECK_HEADERS(term.h, , , -)
1562 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1564 if test $ac_cv_have_decl_sys_siglist != yes; then
1565 # For Tru64, at least:
1566 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1571 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1572 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1573 #if HAVE_SYS_SOCKET_H
1574 #include <sys/socket.h>
1576 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1577 #if HAVE_SYS_SOCKET_H
1578 #include <sys/socket.h>
1580 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1581 #if HAVE_SYS_SOCKET_H
1582 #include <sys/socket.h>
1585 dnl checks for structure members
1586 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1587 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1588 struct ifreq.ifr_addr,
1589 struct ifreq.ifr_addr.sa_len], , ,
1590 [AC_INCLUDES_DEFAULT
1591 #if HAVE_SYS_SOCKET_H
1592 #include <sys/socket.h>
1598 dnl Check for endianness.
1599 dnl AC_C_BIGENDIAN is done by gnulib.
1601 dnl check for Make feature
1606 dnl check if we have GCC and autodepend is on.
1607 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1608 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1609 SAVE_CFLAGS="$CFLAGS"
1610 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1611 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1612 CFLAGS="$SAVE_CFLAGS"
1613 test -f deps.d || ac_enable_autodepend=no
1615 AC_MSG_RESULT([$ac_enable_autodepend])
1616 if test $ac_enable_autodepend = yes; then
1617 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1618 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1619 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1620 deps_frag=autodeps.mk
1623 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1624 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1625 deps_frag=$srcdir/src/$deps_frag
1628 AC_SUBST_FILE(deps_frag)
1629 AC_SUBST_FILE(lwlib_deps_frag)
1630 AC_SUBST_FILE(oldxmenu_deps_frag)
1632 lisp_frag=$srcdir/src/lisp.mk
1633 AC_SUBST_FILE(lisp_frag)
1636 dnl checks for operating system services
1637 AC_SYS_LONG_FILE_NAMES
1639 #### Choose a window system.
1641 ## We leave window_system equal to none if
1642 ## we end up building without one. Any new window system should
1643 ## set window_system to an appropriate value and add objects to
1644 ## window-system-specific substs.
1648 if test "$no_x" != yes; then
1652 LD_SWITCH_X_SITE_RPATH=
1653 if test "${x_libraries}" != NONE; then
1654 if test -n "${x_libraries}"; then
1655 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1656 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1658 x_default_search_path=""
1659 x_search_path=${x_libraries}
1660 if test -z "${x_search_path}"; then
1661 x_search_path=/usr/lib
1663 for x_library in `echo ${x_search_path}: | \
1664 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1666 ${x_library}/X11/%L/%T/%N%C%S:\
1667 ${x_library}/X11/%l/%T/%N%C%S:\
1668 ${x_library}/X11/%T/%N%C%S:\
1669 ${x_library}/X11/%L/%T/%N%S:\
1670 ${x_library}/X11/%l/%T/%N%S:\
1671 ${x_library}/X11/%T/%N%S"
1672 if test x"${x_default_search_path}" = x; then
1673 x_default_search_path=${x_search_path}
1675 x_default_search_path="${x_search_path}:${x_default_search_path}"
1679 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1681 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1682 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1685 if test x"${x_includes}" = x; then
1686 bitmapdir=/usr/include/X11/bitmaps
1688 # accumulate include directories that have X11 bitmap subdirectories
1690 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1691 if test -d "${bmd}/X11/bitmaps"; then
1692 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1694 if test -d "${bmd}/bitmaps"; then
1695 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1698 if test ${bmd_acc} != "dummyval"; then
1699 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1706 tmp_CPPFLAGS="$CPPFLAGS"
1707 tmp_CFLAGS="$CFLAGS"
1708 CPPFLAGS="$CPPFLAGS -x objective-c"
1709 CFLAGS="$CFLAGS -x objective-c"
1712 if test "${with_ns}" != no; then
1713 if test "${opsys}" = darwin; then
1715 ns_appdir=`pwd`/nextstep/Emacs.app
1716 ns_appbindir=${ns_appdir}/Contents/MacOS
1717 ns_appresdir=${ns_appdir}/Contents/Resources
1718 ns_appsrc=Cocoa/Emacs.base
1719 ns_fontfile=macfont.o
1720 elif test -f $GNUSTEP_CONFIG_FILE; then
1722 ns_appdir=`pwd`/nextstep/Emacs.app
1723 ns_appbindir=${ns_appdir}
1724 ns_appresdir=${ns_appdir}/Resources
1725 ns_appsrc=GNUstep/Emacs.base
1726 ns_fontfile=nsfont.o
1727 dnl FIXME sourcing this several times in subshells seems inefficient.
1728 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1729 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1730 dnl I seemed to need these as well with GNUstep-startup 0.25.
1731 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1732 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1733 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1734 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1735 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1736 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1737 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1738 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1739 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1740 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1741 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1742 dnl If they had chosen to either define it or not, we could have
1743 dnl just used AC_CHECK_DECL here.
1744 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1745 emacs_cv_objc_exceptions,
1746 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1747 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1751 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1752 if test $emacs_cv_objc_exceptions = yes; then
1753 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1754 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1755 [Define if GNUstep uses ObjC exceptions.])
1756 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1760 dnl This is only used while we test the NS headers, it gets reset below.
1761 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1763 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1764 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1765 files are missing or cannot be compiled.])])
1768 if test "${NS_IMPL_COCOA}" = "yes"; then
1769 AC_MSG_CHECKING([for OSX 10.6 or newer])
1770 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1772 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1773 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1776 error "OSX 10.6 or newer required";
1780 ns_osx_have_106=yes,
1782 AC_MSG_RESULT([$ns_osx_have_106])
1784 if test $ns_osx_have_106 = no; then
1785 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1790 AC_SUBST(LIBS_GNUSTEP)
1792 INSTALL_ARCH_INDEP_EXTRA=install-etc
1793 ns_self_contained=no
1796 if test "${HAVE_NS}" = yes; then
1797 if test "$with_toolkit_scroll_bars" = "no"; then
1798 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1801 window_system=nextstep
1802 # set up packaging dirs
1803 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1804 ns_self_contained=yes
1805 prefix=${ns_appresdir}
1806 exec_prefix=${ns_appbindir}
1807 dnl This one isn't really used, only archlibdir is.
1808 libexecdir="\${ns_appbindir}/libexec"
1809 archlibdir="\${ns_appbindir}/libexec"
1810 etcdocdir="\${ns_appresdir}/etc"
1811 etcdir="\${ns_appresdir}/etc"
1812 dnl FIXME maybe set datarootdir instead.
1813 dnl That would also get applications, icons, man.
1814 infodir="\${ns_appresdir}/info"
1815 mandir="\${ns_appresdir}/man"
1816 lispdir="\${ns_appresdir}/lisp"
1817 INSTALL_ARCH_INDEP_EXTRA=
1820 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1822 CFLAGS="$tmp_CFLAGS"
1823 CPPFLAGS="$tmp_CPPFLAGS"
1824 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1825 AC_SUBST(ns_self_contained)
1827 AC_SUBST(NS_OBJC_OBJ)
1838 if test "${with_w32}" != no; then
1841 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1842 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1843 cannot be found.])])
1846 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1849 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1854 if test "${opsys}" = "mingw32"; then
1855 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1856 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1857 #include <windows.h>
1858 #include <usp10.h>]],
1859 [[PIMAGE_NT_HEADERS pHeader;
1860 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1861 [emacs_cv_w32api=yes
1864 AC_MSG_RESULT($emacs_cv_w32api)
1865 if test "${emacs_cv_w32api}" = "no"; then
1866 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1877 if test "${HAVE_W32}" = "yes"; then
1878 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1879 AC_CHECK_TOOL(WINDRES, [windres],
1880 [AC_MSG_ERROR([No resource compiler found.])])
1881 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1882 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1883 EMACSRES="emacs.res"
1884 case "$canonical" in
1885 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1886 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1888 dnl Construct something of the form "24,4,0,0" with 4 components.
1889 comma_version=`echo "$version.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1891 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1892 AC_SUBST(comma_version)
1893 AC_SUBST(comma_space_version)
1894 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1895 if test "${opsys}" = "cygwin"; then
1896 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1897 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1898 # Tell the linker that emacs.res is an object (which we compile from
1899 # the rc file), not a linker script.
1900 W32_RES_LINK="-Wl,emacs.res"
1902 UPDATE_MANIFEST=update-game-score.exe.manifest
1903 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1904 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1905 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1906 W32_RES_LINK="\$(EMACSRES)"
1907 CLIENTRES="emacsclient.res"
1908 CLIENTW="emacsclientw\$(EXEEXT)"
1909 FIRSTFILE_OBJ=firstfile.o
1912 LIBS_ECLIENT="-lcomctl32"
1913 LIB_WSOCK32="-lwsock32"
1914 NTLIB="ntlib.$ac_objext"
1915 XARGS_LIMIT="-s 10000"
1921 AC_SUBST(EMACS_MANIFEST)
1922 AC_SUBST(UPDATE_MANIFEST)
1925 AC_SUBST(W32_RES_LINK)
1926 AC_SUBST(FIRSTFILE_OBJ)
1929 AC_SUBST(LIBS_ECLIENT)
1930 AC_SUBST(LIB_WSOCK32)
1932 AC_SUBST(XARGS_LIMIT)
1934 if test "${HAVE_W32}" = "yes"; then
1939 ## $window_system is now set to the window system we will
1942 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1943 # Too many warnings for now.
1945 nw="$nw -Wsuggest-attribute=const"
1946 nw="$nw -Wsuggest-attribute=noreturn"
1947 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1949 gl_WARN_ADD([-Wno-unused-variable])
1950 gl_WARN_ADD([-Wno-unused-but-set-variable])
1951 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1959 case "${window_system}" in
1964 case "${with_x_toolkit}" in
1965 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1966 motif ) USE_X_TOOLKIT=MOTIF ;;
1968 term_header=gtkutil.h
1969 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1970 dnl USE_X_TOOLKIT is set.
1971 USE_X_TOOLKIT=none ;;
1972 gtk2 ) with_gtk2=yes
1973 term_header=gtkutil.h
1974 USE_X_TOOLKIT=none ;;
1975 gtk3 ) with_gtk3=yes
1976 term_header=gtkutil.h
1977 USE_X_TOOLKIT=none ;;
1978 no ) USE_X_TOOLKIT=none ;;
1979 dnl If user did not say whether to use a toolkit, make this decision later:
1980 dnl use the toolkit if we have gtk, or X11R5 or newer.
1981 * ) USE_X_TOOLKIT=maybe ;;
1985 term_header=nsterm.h
1988 term_header=w32term.h
1992 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1993 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1994 if test "$HAVE_XSERVER" = true ||
1995 test -n "$DISPLAY" ||
1996 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1997 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1998 were found. You should install the relevant development files for X
1999 and for the toolkit you want, such as Gtk+ or Motif. Also make
2000 sure you have development files for image handling, i.e.
2001 tiff, gif, jpeg, png and xpm.
2002 If you are sure you want Emacs compiled without X window support, pass
2008 # Does the opsystem file prohibit the use of the GNU malloc?
2009 # Assume not, until told otherwise.
2013 [whether malloc is Doug Lea style],
2014 [emacs_cv_var_doug_lea_malloc],
2015 [emacs_cv_var_doug_lea_malloc=no
2016 dnl Hooks do not work with address sanitization.
2017 if test "$emacs_cv_sanitize_address" != yes; then
2020 [[#include <malloc.h>
2021 static void hook (void) {}]],
2022 [[malloc_set_state (malloc_get_state ());
2023 __after_morecore_hook = hook;
2024 __malloc_initialize_hook = hook;]])],
2025 [emacs_cv_var_doug_lea_malloc=yes])])
2027 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2029 system_malloc=$emacs_cv_sanitize_address
2034 ## darwin ld insists on the use of malloc routines in the System framework.
2035 darwin|mingw32|sol2-10) system_malloc=yes ;;
2036 cygwin) hybrid_malloc=yes;;
2040 if test "${system_malloc}" = "yes"; then
2041 AC_DEFINE([SYSTEM_MALLOC], 1,
2042 [Define to 1 to use the system memory allocator, even if it is not
2046 (The GNU allocators don't work with this system configuration.)"
2048 elif test "$hybrid_malloc" = yes; then
2049 AC_DEFINE(HYBRID_MALLOC, 1,
2050 [Define to use gmalloc before dumping and the system malloc after.])
2052 GNU_MALLOC_reason="only before dumping"
2053 GMALLOC_OBJ=gmalloc.o
2056 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2057 VMLIMIT_OBJ=vm-limit.o
2059 AC_CHECK_HEADERS([sys/vlimit.h])
2060 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2063 [[extern char data_start[]; char ch;]],
2064 [[return data_start < &ch;]])],
2065 [emacs_cv_data_start=yes],
2066 [emacs_cv_data_start=no])])
2067 if test $emacs_cv_data_start = yes; then
2068 AC_DEFINE([HAVE_DATA_START], 1,
2069 [Define to 1 if data_start is the address of the start
2070 of the main data segment.])
2073 AC_SUBST(GMALLOC_OBJ)
2074 AC_SUBST(VMLIMIT_OBJ)
2076 if test "$doug_lea_malloc" = "yes" ; then
2077 if test "$GNU_MALLOC" = yes ; then
2079 (Using Doug Lea's new malloc from the GNU C Library.)"
2081 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2082 [Define to 1 if the system memory allocator is Doug Lea style,
2083 with malloc hooks and malloc_set_state.])
2085 ## Use mmap directly for allocating larger buffers.
2086 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2087 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2088 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2090 mingw32|gnu*) REL_ALLOC=no ;;
2094 if test x"${REL_ALLOC}" = x; then
2095 REL_ALLOC=${GNU_MALLOC}
2098 use_mmap_for_buffers=no
2100 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2104 if test $use_mmap_for_buffers = yes; then
2105 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2109 LIBS="$LIBS_SYSTEM $LIBS"
2111 dnl FIXME replace main with a function we actually want from this library.
2112 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2114 dnl Check for the POSIX thread library.
2116 if test "$opsys" != "mingw32"; then
2117 AC_CHECK_HEADERS_ONCE(pthread.h)
2118 if test "$ac_cv_header_pthread_h"; then
2119 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2120 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2121 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2122 if test "$GMALLOC_OBJ" = gmalloc.o; then
2123 emacs_pthread_function=pthread_atfork
2125 emacs_pthread_function=pthread_kill
2128 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2129 [AC_DEFINE([HAVE_PTHREAD], [1],
2130 [Define to 1 if you have pthread (-lpthread).])
2131 # Some systems optimize for single-threaded programs by default, and
2132 # need special flags to disable these optimizations. For example, the
2133 # definition of 'errno' in <errno.h>.
2136 AC_DEFINE([_REENTRANT], 1,
2137 [Define to 1 if your system requires this in multithreaded code.]);;
2139 AC_DEFINE([_THREAD_SAFE], 1,
2140 [Define to 1 if your system requires this in multithreaded code.]);;
2142 if test "X$LIBS" != "X$OLD_LIBS"; then
2143 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2147 AC_SUBST([LIB_PTHREAD])
2150 dnl Check for need for bigtoc support on IBM AIX
2154 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2156 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2157 *) gdb_cv_bigtoc=-bbigtoc ;;
2160 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2161 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2166 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2167 # is for the tests that follow. We set them back later on.
2169 REAL_CFLAGS="$CFLAGS"
2170 REAL_CPPFLAGS="$CPPFLAGS"
2173 if test "${HAVE_X11}" = "yes"; then
2174 DEFS="$C_SWITCH_X_SITE $DEFS"
2175 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2177 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2178 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2180 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2181 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2182 # but it's more convenient here to set LD_RUN_PATH since this
2183 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2184 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2185 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2189 if test "${opsys}" = "gnu-linux"; then
2190 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2191 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2192 [[XOpenDisplay ("foo");]])],
2193 [xgnu_linux_first_failure=no],
2194 [xgnu_linux_first_failure=yes])
2195 if test "${xgnu_linux_first_failure}" = "yes"; then
2196 OLD_CPPFLAGS="$CPPFLAGS"
2198 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2199 LIBS="$LIBS -b i486-linuxaout"
2200 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2201 [[XOpenDisplay ("foo");]])],
2202 [xgnu_linux_second_failure=no],
2203 [xgnu_linux_second_failure=yes])
2204 if test "${xgnu_linux_second_failure}" = "yes"; then
2205 # If we get the same failure with -b, there is no use adding -b.
2206 # So leave it out. This plays safe.
2209 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2210 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2213 CPPFLAGS=$OLD_CPPFLAGS
2220 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2221 # header files included from there.
2222 AC_MSG_CHECKING(for Xkb)
2223 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2224 #include <X11/XKBlib.h>]],
2225 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2226 emacs_xkb=yes, emacs_xkb=no)
2227 AC_MSG_RESULT($emacs_xkb)
2228 if test $emacs_xkb = yes; then
2229 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2232 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2233 XScreenNumberOfScreen)
2236 if test "${window_system}" = "x11"; then
2237 AC_MSG_CHECKING(X11 version 6)
2238 AC_CACHE_VAL(emacs_cv_x11_version_6,
2239 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2240 [[#if XlibSpecificationRelease < 6
2243 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2244 if test $emacs_cv_x11_version_6 = yes; then
2245 AC_MSG_RESULT(6 or newer)
2246 AC_DEFINE(HAVE_X11R6, 1,
2247 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2248 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2249 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2253 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2254 [Define if you have usable X11R6-style XIM support.])
2258 AC_MSG_RESULT(before 6)
2263 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2265 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2266 if test "${with_rsvg}" != "no"; then
2267 RSVG_REQUIRED=2.11.0
2268 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2270 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2271 AC_SUBST(RSVG_CFLAGS)
2274 if test $HAVE_RSVG = yes; then
2275 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2276 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2277 # Windows loads librsvg dynamically
2278 if test "${opsys}" = "mingw32"; then
2286 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2287 if test "${with_imagemagick}" != "no"; then
2288 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2289 ## 6.8.2 makes Emacs crash; see Bug#13867.
2290 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2291 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2292 AC_SUBST(IMAGEMAGICK_CFLAGS)
2293 AC_SUBST(IMAGEMAGICK_LIBS)
2295 if test $HAVE_IMAGEMAGICK = yes; then
2296 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2299 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2300 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2301 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2311 gtk_term_header=$term_header
2314 if test "${opsys}" != "mingw32"; then
2315 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2318 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2320 dnl Checks for libraries.
2321 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2322 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2323 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2324 AC_MSG_ERROR($GTK_PKG_ERRORS)
2326 if test "$pkg_check_gtk" = "yes"; then
2327 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2328 GTK_OBJ=emacsgtkfixed.o
2329 gtk_term_header=gtkutil.h
2330 USE_GTK_TOOLKIT="GTK3"
2331 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2332 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2333 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2334 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2335 [Define to 1 to disable Glib deprecation warnings.])
2339 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2343 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2346 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2348 dnl Checks for libraries.
2349 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2350 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2351 if test "$pkg_check_gtk" = "no" &&
2352 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2354 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2356 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2363 if test x"$pkg_check_gtk" = xyes; then
2366 CFLAGS="$CFLAGS $GTK_CFLAGS"
2367 LIBS="$GTK_LIBS $LIBS"
2368 dnl Try to compile a simple GTK program.
2369 AC_MSG_CHECKING([whether GTK compiles])
2373 [[/* Check the Gtk and Glib APIs. */
2374 #include <gtk/gtk.h>
2375 #include <glib-object.h>
2377 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2381 GtkSettings *gs = 0;
2382 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2383 strict C prohibits this. Use gtk_main_iteration to test that the
2384 libraries are there. */
2385 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2386 0, 0, 0, G_CALLBACK (callback), 0))
2387 gtk_main_iteration ();
2390 AC_MSG_RESULT([$GTK_COMPILES])
2391 if test "${GTK_COMPILES}" != "yes"; then
2393 if test "$USE_X_TOOLKIT" != "maybe"; then
2394 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2397 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2399 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2400 GTK_OBJ="gtkutil.o $GTK_OBJ"
2401 term_header=$gtk_term_header
2403 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2406 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2407 closing open displays. This is no problem if you just use
2408 one display, but if you use more than one and close one of them
2418 if test "${HAVE_GTK}" = "yes"; then
2420 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2421 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2422 if test "$with_toolkit_scroll_bars" != no; then
2423 with_toolkit_scroll_bars=yes
2426 dnl Check if we have the old file selection dialog declared and
2427 dnl in the link library. In 2.x it may be in the library,
2428 dnl but not declared if deprecated featured has been selected out.
2429 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2430 HAVE_GTK_FILE_SELECTION=no
2431 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2432 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2433 #include <gtk/gtk.h>])
2434 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2435 AC_CHECK_FUNCS(gtk_file_selection_new)
2438 dnl Same as above for gtk_handle_box.
2439 HAVE_GTK_HANDLE_BOX=no
2440 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2441 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2442 #include <gtk/gtk.h>])
2443 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2444 AC_CHECK_FUNCS(gtk_handle_box_new)
2447 dnl Same as above for gtk_tearoff_menu_item.
2448 HAVE_GTK_TEAROFF_MENU_ITEM=no
2449 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2450 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2451 #include <gtk/gtk.h>])
2452 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2453 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2456 dnl Check for functions introduced in 2.14 and later.
2457 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2458 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2459 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2460 gtk_orientable_set_orientation \
2461 gtk_window_set_has_resize_grip)
2463 term_header=gtkutil.h
2469 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2470 dnl other platforms.
2473 if test "${with_dbus}" = "yes"; then
2474 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2475 if test "$HAVE_DBUS" = yes; then
2476 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2477 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2478 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2481 LIBS="$LIBS $DBUS_LIBS"
2482 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2483 dbus_type_is_valid \
2484 dbus_validate_bus_name \
2485 dbus_validate_path \
2486 dbus_validate_interface \
2487 dbus_validate_member)
2492 AC_SUBST(DBUS_CFLAGS)
2496 dnl GSettings has been tested under GNU/Linux only.
2498 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2499 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2500 if test "$HAVE_GSETTINGS" = "yes"; then
2502 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2504 LIBS="$LIBS $GSETTINGS_LIBS"
2505 AC_MSG_CHECKING([whether GSettings is in gio])
2508 [[/* Check that gsettings really is present. */
2509 #include <glib-object.h>
2510 #include <gio/gio.h>
2513 GSettings *settings;
2514 GVariant *val = g_settings_get_value (settings, "");
2516 [], HAVE_GSETTINGS=no)
2517 AC_MSG_RESULT([$HAVE_GSETTINGS])
2519 if test "$HAVE_GSETTINGS" = "yes"; then
2520 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2521 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2522 SETTINGS_LIBS="$GSETTINGS_LIBS"
2529 dnl GConf has been tested under GNU/Linux only.
2530 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2532 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2533 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2534 if test "$HAVE_GCONF" = yes; then
2535 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2536 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2537 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2538 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2542 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2543 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2544 if test "$HAVE_GOBJECT" = "yes"; then
2545 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2546 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2548 SAVE_CFLAGS="$CFLAGS"
2550 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2551 LIBS="$SETTINGS_LIBS $LIBS"
2552 CFLAGS="$SAVE_CFLAGS"
2555 AC_SUBST(SETTINGS_CFLAGS)
2556 AC_SUBST(SETTINGS_LIBS)
2559 dnl SELinux is available for GNU/Linux only.
2562 if test "${with_selinux}" = "yes"; then
2563 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2564 if test "$HAVE_LIBSELINUX" = yes; then
2565 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2566 LIBSELINUX_LIBS=-lselinux
2569 AC_SUBST(LIBSELINUX_LIBS)
2573 if test "${with_gnutls}" = "yes" ; then
2574 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
2575 [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
2576 if test "${HAVE_GNUTLS3}" = "yes"; then
2577 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2580 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2581 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2583 if test "${HAVE_GNUTLS}" = "yes"; then
2584 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2587 # Windows loads GnuTLS dynamically
2588 if test "${opsys}" = "mingw32"; then
2593 AC_SUBST(LIBGNUTLS_LIBS)
2594 AC_SUBST(LIBGNUTLS_CFLAGS)
2599 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2600 dnl a particular library. This doesn't make much sense?
2601 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2602 with_file_notification=no
2605 dnl MS Windows native file monitor is available for mingw32 only.
2606 case $with_file_notification,$opsys in
2607 w32,* | yes,mingw32)
2608 AC_CHECK_HEADER(windows.h)
2609 if test "$ac_cv_header_windows_h" = yes ; then
2610 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2611 NOTIFY_OBJ=w32notify.o
2612 NOTIFY_SUMMARY="yes (w32)"
2616 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2617 dnl has been added in glib 2.24. It has been tested under
2618 dnl GNU/Linux only. We take precedence over inotify, but this makes
2619 dnl only sense when glib has been compiled with inotify support. How
2621 case $with_file_notification,$NOTIFY_OBJ in
2623 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2624 if test "$HAVE_GFILENOTIFY" = "yes"; then
2625 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2626 NOTIFY_OBJ=gfilenotify.o
2627 NOTIFY_SUMMARY="yes -lgio (gfile)"
2631 dnl inotify is only available on GNU/Linux.
2632 case $with_file_notification,$NOTIFY_OBJ in
2634 AC_CHECK_HEADER(sys/inotify.h)
2635 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2636 AC_CHECK_FUNC(inotify_init1)
2637 if test "$ac_cv_func_inotify_init1" = yes; then
2638 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2639 NOTIFY_OBJ=inotify.o
2640 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2645 case $with_file_notification,$NOTIFY_OBJ in
2646 yes,* | no,* | *,?*) ;;
2647 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2650 if test -n "$NOTIFY_OBJ"; then
2651 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2653 AC_SUBST(NOTIFY_OBJ)
2654 AC_SUBST(GFILENOTIFY_CFLAGS)
2655 AC_SUBST(GFILENOTIFY_LIBS)
2657 dnl Do not put whitespace before the #include statements below.
2658 dnl Older compilers (eg sunos4 cc) choke on it.
2661 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2662 if test "$with_xaw3d" != no; then
2663 AC_CACHE_VAL(emacs_cv_xaw3d,
2664 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2665 #include <X11/Intrinsic.h>
2666 #include <X11/Xaw3d/Simple.h>]],
2668 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2669 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2670 emacs_cv_xaw3d=no)])
2674 if test $emacs_cv_xaw3d = yes; then
2675 AC_MSG_CHECKING(for xaw3d)
2676 AC_MSG_RESULT([yes; using Lucid toolkit])
2680 AC_DEFINE(HAVE_XAW3D, 1,
2681 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2683 AC_MSG_CHECKING(for xaw3d)
2685 AC_MSG_CHECKING(for libXaw)
2686 AC_CACHE_VAL(emacs_cv_xaw,
2687 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2688 #include <X11/Intrinsic.h>
2689 #include <X11/Xaw/Simple.h>]],
2693 if test $emacs_cv_xaw = yes; then
2694 AC_MSG_RESULT([yes; using Lucid toolkit])
2697 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2698 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2700 AC_MSG_ERROR([No X toolkit could be found.
2701 If you are sure you want Emacs compiled without an X toolkit, pass
2703 to configure. Otherwise, install the development libraries for the toolkit
2704 that you want to use (e.g. Gtk+) and re-run configure.])
2709 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2713 if test "${USE_X_TOOLKIT}" != "none"; then
2714 AC_MSG_CHECKING(X11 toolkit version)
2715 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2716 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2717 [[#if XtSpecificationRelease < 6
2720 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2721 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2722 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2723 AC_MSG_RESULT(6 or newer)
2724 AC_DEFINE(HAVE_X11XTR6, 1,
2725 [Define to 1 if you have the X11R6 or newer version of Xt.])
2726 LIBXTR6="-lSM -lICE"
2728 ## Use libw.a along with X11R6 Xt.
2729 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2732 AC_MSG_RESULT(before 6)
2735 dnl If using toolkit, check whether libXmu.a exists.
2736 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2738 if test x$HAVE_X11XTR6 = xyes; then
2739 OTHERLIBS='-lXt -lSM -lICE'
2743 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2744 if test "X$LIBS" != "X$OLDLIBS"; then
2745 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2748 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2754 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2755 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2756 if test -d /usr/include/openmotif; then
2757 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2758 emacs_cv_openmotif=yes
2759 case "$canonical" in
2760 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2761 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2764 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2767 emacs_cv_openmotif=no
2769 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2770 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2771 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2774 Motif version prior to 2.1.
2776 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2777 if test $emacs_cv_motif_version_2_1 = yes; then
2778 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2779 if test x$emacs_cv_openmotif = xyes; then
2780 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2783 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2784 # We put this in CFLAGS temporarily to precede other -I options
2785 # that might be in CFLAGS temporarily.
2786 # We put this in CPPFLAGS where it precedes the other -I options.
2787 OLD_CPPFLAGS=$CPPFLAGS
2789 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2790 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2791 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2793 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2794 if test $emacs_cv_lesstif = yes; then
2795 # Make sure this -I option remains in CPPFLAGS after it is set
2796 # back to REAL_CPPFLAGS.
2797 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2798 # have those other -I options anyway. Ultimately, having this
2799 # directory ultimately in CPPFLAGS will be enough.
2800 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2801 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2804 CPPFLAGS=$OLD_CPPFLAGS
2807 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2808 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2811 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2812 dnl using Motif or Xaw3d is available, and unless
2813 dnl --with-toolkit-scroll-bars=no was specified.
2815 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2816 [Define to 1 if we should use toolkit scroll bars.])dnl
2817 USE_TOOLKIT_SCROLL_BARS=no
2818 if test "${with_toolkit_scroll_bars}" != "no"; then
2819 if test "${USE_X_TOOLKIT}" != "none"; then
2820 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2821 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2823 USE_TOOLKIT_SCROLL_BARS=yes
2824 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2825 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2826 USE_TOOLKIT_SCROLL_BARS=yes
2828 elif test "${HAVE_GTK}" = "yes"; then
2829 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2830 USE_TOOLKIT_SCROLL_BARS=yes
2831 elif test "${HAVE_NS}" = "yes"; then
2832 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2833 USE_TOOLKIT_SCROLL_BARS=yes
2834 elif test "${HAVE_W32}" = "yes"; then
2835 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2836 USE_TOOLKIT_SCROLL_BARS=yes
2840 dnl See if XIM is available.
2841 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2842 #include <X11/Xlib.h>
2843 #include <X11/Xresource.h>]],
2844 [[XIMProc callback;]])],
2846 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2849 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2851 if test "${with_xim}" != "no"; then
2852 AC_DEFINE(USE_XIM, 1,
2853 [Define to 1 if we should use XIM, if it is available.])
2857 if test "${HAVE_XIM}" != "no"; then
2859 if test "$GCC" = yes; then
2860 CFLAGS="$CFLAGS --pedantic-errors"
2862 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2863 #include <X11/Xlib.h>
2864 #include <X11/Xresource.h>]],
2870 XPointer *client_data;
2872 /* If we're not using GCC, it's probably not XFree86, and this is
2873 probably right, but we can't use something like --pedantic-errors. */
2874 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2875 char*, XIMProc, XPointer*);
2877 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2879 [emacs_cv_arg6_star=yes])
2880 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2881 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2882 either XPointer or XPointer*.])dnl
2883 if test "$emacs_cv_arg6_star" = yes; then
2884 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2886 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2891 ### Start of font-backend (under any platform) section.
2892 # (nothing here yet -- this is a placeholder)
2893 ### End of font-backend (under any platform) section.
2895 ### Start of font-backend (under X11) section.
2896 if test "${HAVE_X11}" = "yes"; then
2897 ## Use -lXft if available, unless `--with-xft=no'.
2899 if test "x${with_x}" = "xno"; then
2903 if test "$with_xft" != no; then
2904 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2905 with_xft=$HAVE_FONTCONFIG
2908 if test "x${with_xft}" != "xno"; then
2910 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2911 ## Because xftfont.c uses XRenderQueryExtension, we also
2912 ## need to link to -lXrender.
2914 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2915 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2916 OLD_CPPFLAGS="$CPPFLAGS"
2917 OLD_CFLAGS="$CFLAGS"
2919 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2920 CFLAGS="$CFLAGS $XFT_CFLAGS"
2921 XFT_LIBS="-lXrender $XFT_LIBS"
2922 LIBS="$XFT_LIBS $LIBS"
2923 AC_CHECK_HEADER(X11/Xft/Xft.h,
2924 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2925 [[#include <X11/X.h>]])
2927 if test "${HAVE_XFT}" = "yes"; then
2928 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2930 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2931 fi # "${HAVE_XFT}" = "yes"
2932 CPPFLAGS=$OLD_CPPFLAGS
2935 fi # "$HAVE_XFT" != no
2936 fi # "x${with_xft}" != "xno"
2938 ## We used to allow building with FreeType and without Xft.
2939 ## However, the ftx font backend driver is not in good shape.
2940 if test "$HAVE_XFT" != "yes"; then
2941 dnl For the "Does Emacs use" message at the end.
2945 dnl Strict linkers fail with
2946 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2947 dnl if -lfreetype is not specified.
2948 dnl The following is needed to set FREETYPE_LIBS.
2949 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2951 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2955 if test "${HAVE_FREETYPE}" = "yes"; then
2956 AC_DEFINE(HAVE_FREETYPE, 1,
2957 [Define to 1 if using the freetype and fontconfig libraries.])
2958 if test "${with_libotf}" != "no"; then
2959 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2960 if test "$HAVE_LIBOTF" = "yes"; then
2961 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2962 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2963 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2964 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2965 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2966 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2967 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2971 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2972 dnl Does the new font backend require it, or can it work without it?
2976 if test "${HAVE_LIBOTF}" = yes; then
2977 if test "${with_m17n_flt}" != "no"; then
2978 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
2979 if test "$HAVE_M17N_FLT" = "yes"; then
2980 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2991 ### End of font-backend (under X11) section.
2993 AC_SUBST(FREETYPE_CFLAGS)
2994 AC_SUBST(FREETYPE_LIBS)
2995 AC_SUBST(FONTCONFIG_CFLAGS)
2996 AC_SUBST(FONTCONFIG_LIBS)
2997 AC_SUBST(LIBOTF_CFLAGS)
2998 AC_SUBST(LIBOTF_LIBS)
2999 AC_SUBST(M17N_FLT_CFLAGS)
3000 AC_SUBST(M17N_FLT_LIBS)
3002 ### Use -lXpm if available, unless `--with-xpm=no'.
3003 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3004 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3005 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3006 ### LDFLAGS) accordingly.
3009 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3010 if test "${with_xpm}" != "no"; then
3011 SAVE_CPPFLAGS="$CPPFLAGS"
3012 SAVE_LDFLAGS="$LDFLAGS"
3013 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3014 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3015 AC_CHECK_HEADER(X11/xpm.h,
3016 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3017 if test "${HAVE_XPM}" = "yes"; then
3018 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3019 AC_EGREP_CPP(no_return_alloc_pixels,
3020 [#include "X11/xpm.h"
3021 #ifndef XpmReturnAllocPixels
3022 no_return_alloc_pixels
3024 ], HAVE_XPM=no, HAVE_XPM=yes)
3026 if test "${HAVE_XPM}" = "yes"; then
3027 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3031 CPPFLAGS="$SAVE_CPPFLAGS"
3032 LDFLAGS="$SAVE_LDFLAGS"
3037 if test "${HAVE_XPM}" = "yes"; then
3038 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3043 if test "${HAVE_X11}" = "yes"; then
3044 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3045 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3047 if test "${with_xpm}" != "no"; then
3048 AC_CHECK_HEADER(X11/xpm.h,
3049 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3050 if test "${HAVE_XPM}" = "yes"; then
3051 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3052 AC_EGREP_CPP(no_return_alloc_pixels,
3053 [#include "X11/xpm.h"
3054 #ifndef XpmReturnAllocPixels
3055 no_return_alloc_pixels
3057 ], HAVE_XPM=no, HAVE_XPM=yes)
3059 if test "${HAVE_XPM}" = "yes"; then
3067 if test "${HAVE_XPM}" = "yes"; then
3068 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3070 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3071 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3076 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3077 ### slightly different requirements wrt image libraries (it doesn't
3078 ### use -lXpm because it loads the xpm shared library dynamically at
3080 if test "${opsys}" = "mingw32"; then
3081 if test "${with_xpm}" != "no"; then
3082 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3086 if test "${HAVE_XPM}" = "yes"; then
3087 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3093 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3094 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3097 if test "${opsys}" = "mingw32"; then
3098 if test "${with_jpeg}" != "no"; then
3099 dnl Checking for jpeglib.h can lose because of a redefinition of
3101 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3103 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3104 if test "${HAVE_JPEG}" = "yes"; then
3105 AC_DEFINE(HAVE_JPEG)
3106 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3107 [#include <jpeglib.h>
3108 version=JPEG_LIB_VERSION
3110 [AC_DEFINE(HAVE_JPEG)],
3111 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3114 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3115 if test "${with_jpeg}" != "no"; then
3116 dnl Checking for jpeglib.h can lose because of a redefinition of
3118 AC_CHECK_HEADER(jerror.h,
3119 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3122 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3123 if test "${HAVE_JPEG}" = "yes"; then
3124 AC_DEFINE(HAVE_JPEG)
3125 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3126 [#include <jpeglib.h>
3127 version=JPEG_LIB_VERSION
3129 [AC_DEFINE(HAVE_JPEG)],
3130 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3133 if test "${HAVE_JPEG}" = "yes"; then
3141 if test "${with_zlib}" != "no"; then
3143 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3145 case $ac_cv_search_inflateEnd in
3146 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3149 if test "${HAVE_ZLIB}" = "yes"; then
3150 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3151 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3152 if test "${opsys}" = "mingw32"; then
3158 ### Use -lpng if available, unless `--with-png=no'.
3162 if test "${NS_IMPL_COCOA}" = yes; then
3164 elif test "${with_png}" != no; then
3165 # mingw32 loads the library dynamically.
3166 if test "$opsys" = mingw32; then
3167 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3168 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3169 AC_MSG_CHECKING([for png])
3170 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3171 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3172 # libpng-config does not work; configure by hand.
3173 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3174 # in /usr/include/libpng.
3175 if test -r /usr/include/libpng/png.h &&
3176 test ! -r /usr/include/png.h; then
3177 png_cflags=-I/usr/include/libpng
3185 CFLAGS="$CFLAGS $png_cflags"
3186 LIBS="$png_libs -lz -lm $LIBS"
3188 [AC_LANG_PROGRAM([[#include <png.h>]],
3189 [[return !png_get_channels (0, 0);]])],
3191 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3193 # $LIBPNG requires explicit -lz in some cases.
3194 # We don't know what those cases are, exactly, so play it safe and
3195 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3196 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3197 LIBPNG="$LIBPNG -lz"
3201 AC_MSG_RESULT([$HAVE_PNG])
3204 if test $HAVE_PNG = yes; then
3205 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3208 CFLAGS="$CFLAGS $PNG_CFLAGS"
3209 AC_CHECK_DECL([png_longjmp],
3211 [AC_DEFINE([PNG_DEPSTRUCT], [],
3212 [Define to empty to suppress deprecation warnings when building
3213 with --enable-gcc-warnings and with libpng versions before 1.5,
3214 which lack png_longjmp.])],
3220 AC_SUBST(PNG_CFLAGS)
3222 ### Use -ltiff if available, unless `--with-tiff=no'.
3223 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3226 if test "${opsys}" = "mingw32"; then
3227 if test "${with_tiff}" != "no"; then
3228 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3230 if test "${HAVE_TIFF}" = "yes"; then
3231 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3233 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3234 if test "${with_tiff}" != "no"; then
3235 AC_CHECK_HEADER(tiffio.h,
3237 # At least one tiff package requires the jpeg library.
3238 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3239 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3242 if test "${HAVE_TIFF}" = "yes"; then
3243 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3244 dnl FIXME -lz -lm, as per libpng?
3250 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3251 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3254 if test "${opsys}" = "mingw32"; then
3255 if test "${with_gif}" != "no"; then
3256 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3258 if test "${HAVE_GIF}" = "yes"; then
3259 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3261 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3262 || test "${HAVE_W32}" = "yes"; then
3263 AC_CHECK_HEADER(gif_lib.h,
3264 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3265 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3266 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3267 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3269 if test "$HAVE_GIF" = yes; then
3271 elif test "$HAVE_GIF" = maybe; then
3272 # If gif_lib.h but no libgif, try libungif.
3273 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3274 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3277 if test "${HAVE_GIF}" = "yes"; then
3278 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3283 dnl Check for required libraries.
3284 if test "${HAVE_X11}" = "yes"; then
3287 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3288 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3289 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3290 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3291 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3292 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3293 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3294 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3295 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3296 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3298 if test "X${MISSING}" != X; then
3299 AC_MSG_ERROR([The following required libraries were not found:
3301 Maybe some development libraries/packages are missing?
3302 If you don't want to link with them give
3304 as options to configure])
3308 ### Use -lgpm if available, unless `--with-gpm=no'.
3311 if test "${with_gpm}" != "no"; then
3312 AC_CHECK_HEADER(gpm.h,
3313 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3315 if test "${HAVE_GPM}" = "yes"; then
3316 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3322 dnl Check for malloc/malloc.h on darwin
3323 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3326 ### Use NeXTstep API to implement GUI.
3327 if test "${HAVE_NS}" = "yes"; then
3328 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3329 if test "${NS_IMPL_COCOA}" = "yes"; then
3330 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3332 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3333 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3334 # See also .m.o rule in Makefile.in */
3335 # FIXME: are all these flags really needed? Document here why. */
3336 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3337 ## Extra CFLAGS applied to src/*.m files.
3338 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3343 ### Use session management (-lSM -lICE) if available
3346 if test "${HAVE_X11}" = "yes"; then
3347 AC_CHECK_HEADER(X11/SM/SMlib.h,
3348 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3350 if test "${HAVE_X_SM}" = "yes"; then
3351 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3357 ### Use XRandr (-lXrandr) if available
3359 if test "${HAVE_X11}" = "yes"; then
3360 XRANDR_REQUIRED=1.2.2
3361 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3362 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3363 if test $HAVE_XRANDR = no; then
3364 # Test old way in case pkg-config doesn't have it (older machines).
3365 # Include Xrender.h by hand to work around bug in older Xrandr.h
3366 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3367 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3368 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3369 [], [AC_INCLUDES_DEFAULT
3370 #include <X11/extensions/Xrender.h>])
3371 if test $HAVE_XRANDR = yes; then
3372 XRANDR_LIBS=-lXrandr
3375 if test $HAVE_XRANDR = yes; then
3376 SAVE_CFLAGS="$CFLAGS"
3378 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3379 LIBS="$XRANDR_LIBS $LIBS"
3380 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3381 CFLAGS="$SAVE_CFLAGS"
3384 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3387 AC_SUBST(XRANDR_CFLAGS)
3388 AC_SUBST(XRANDR_LIBS)
3390 ### Use Xinerama (-lXinerama) if available
3392 if test "${HAVE_X11}" = "yes"; then
3393 XINERAMA_REQUIRED=1.0.2
3394 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3395 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3396 if test $HAVE_XINERAMA = no; then
3397 # Test old way in case pkg-config doesn't have it (older machines).
3398 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3399 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3400 if test $HAVE_XINERAMA = yes; then
3401 XINERAMA_LIBS=-lXinerama
3404 if test $HAVE_XINERAMA = yes; then
3405 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3408 AC_SUBST(XINERAMA_CFLAGS)
3409 AC_SUBST(XINERAMA_LIBS)
3411 ### Use Xfixes (-lXfixes) if available
3413 if test "${HAVE_X11}" = "yes"; then
3414 XFIXES_REQUIRED=4.0.0
3415 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3416 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3417 if test $HAVE_XFIXES = no; then
3418 # Test old way in case pkg-config doesn't have it (older machines).
3419 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3420 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3421 if test $HAVE_XFIXES = yes; then
3422 XFIXES_LIBS=-lXfixes
3425 if test $HAVE_XFIXES = yes; then
3426 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3429 AC_SUBST(XFIXES_CFLAGS)
3430 AC_SUBST(XFIXES_LIBS)
3432 ### Use libxml (-lxml2) if available
3433 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3435 if test "${with_xml2}" != "no"; then
3436 ### I'm not sure what the version number should be, so I just guessed.
3437 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3438 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3439 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3440 SAVE_CPPFLAGS="$CPPFLAGS"
3441 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3442 AC_CHECK_HEADER(libxml/HTMLparser.h,
3443 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3444 [#include <libxml/HTMLparser.h>])])
3445 CPPFLAGS="$SAVE_CPPFLAGS"
3446 if test "${HAVE_LIBXML2}" = "yes"; then
3447 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3448 LIBXML2_LIBS="-lxml2"
3451 if test "${HAVE_LIBXML2}" = "yes"; then
3452 if test "${opsys}" != "mingw32"; then
3453 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3458 if test "${HAVE_LIBXML2}" = "yes"; then
3459 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3466 AC_SUBST(LIBXML2_LIBS)
3467 AC_SUBST(LIBXML2_CFLAGS)
3469 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3470 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3471 if test "${opsys}" = "mingw32"; then
3472 emacs_cv_netdb_declares_h_errno=yes
3474 AC_CACHE_CHECK(whether netdb declares h_errno,
3475 emacs_cv_netdb_declares_h_errno,
3476 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3477 [[return h_errno;]])],
3478 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3479 if test $emacs_cv_netdb_declares_h_errno = yes; then
3480 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3483 # Check for mail-locking functions in a "mail" library. Probably this should
3484 # have the same check as for liblockfile below.
3485 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3486 if test $have_mail = yes; then
3488 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3491 LIBS="$LIBS_MAIL $LIBS"
3492 AC_CHECK_FUNCS(touchlock)
3497 dnl Debian, at least:
3498 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3499 if test $have_lockfile = yes; then
3500 LIBS_MAIL=-llockfile
3501 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3503 # If we have the shared liblockfile, assume we must use it for mail
3504 # locking (e.g. Debian). If we couldn't link against liblockfile
3505 # (no liblockfile.a installed), ensure that we don't need to.
3506 dnl This works for files generally, not just executables.
3507 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3508 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3509 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3510 if test $ac_cv_prog_liblockfile = yes; then
3511 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3512 This probably means that movemail could lose mail.
3513 There may be a `development' package to install containing liblockfile.])
3516 AC_CHECK_HEADERS_ONCE(maillock.h)
3519 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3520 ## interlock access to the mail spool. The alternative is a lock file named
3521 ## /usr/spool/mail/$USER.lock.
3524 aix4-2) mail_lock="lockf" ;;
3526 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3528 ## On GNU/Linux systems, both methods are used by various mail programs.
3529 ## I assume most people are using newer mailers that have heard of flock.
3530 ## Change this if you need to.
3531 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3532 ## configure gets the right answers, and that means *NOT* using flock.
3533 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3534 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3535 ## Debian maintainer hasn't provided a clean fix for Emacs.
3536 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3537 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3538 ## correct logic. -- fx
3539 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3540 ## liblockfile is a Free Software replacement for libmail, used on
3541 ## Debian systems and elsewhere. -rfr.
3544 if test $have_mail = yes || test $have_lockfile = yes; then
3545 test $ac_cv_header_maillock_h = yes && mail_lock=no
3550 mail_lock="none-needed" ;;
3554 case "$mail_lock" in
3555 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3557 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3561 *) BLESSMAIL_TARGET="need-blessmail" ;;
3563 AC_SUBST(BLESSMAIL_TARGET)
3566 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3567 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3568 getrusage get_current_dir_name \
3569 lrand48 random rint \
3570 select getpagesize setlocale newlocale \
3571 getrlimit setrlimit shutdown getaddrinfo \
3572 pthread_sigmask strsignal setitimer \
3573 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3575 getpwent endpwent getgrent endgrent \
3576 cfmakeraw cfsetspeed copysign __executable_start log2)
3579 dnl No need to check for aligned_alloc and posix_memalign if using
3580 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3581 dnl Don't use these functions on Darwin as they are incompatible with
3583 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3584 && test "$opsys" != darwin; then
3585 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3588 dnl Cannot use AC_CHECK_FUNCS
3589 AC_CACHE_CHECK([for __builtin_unwind_init],
3590 emacs_cv_func___builtin_unwind_init,
3591 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3592 emacs_cv_func___builtin_unwind_init=yes,
3593 emacs_cv_func___builtin_unwind_init=no)])
3594 if test $emacs_cv_func___builtin_unwind_init = yes; then
3595 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3596 [Define to 1 if you have the `__builtin_unwind_init' function.])
3599 AC_CHECK_HEADERS_ONCE(sys/un.h)
3604 AC_CHECK_FUNCS(grantpt)
3606 # PTY-related GNU extensions.
3607 AC_CHECK_FUNCS(getpt posix_openpt)
3609 # Check this now, so that we will NOT find the above functions in ncurses.
3610 # That is because we have not set up to link ncurses in lib-src.
3611 # It's better to believe a function is not available
3612 # than to expect to find it in ncurses.
3613 # Also we need tputs and friends to be able to build at all.
3614 AC_MSG_CHECKING([for library containing tputs])
3615 # Run a test program that contains a call to tputs, a call that is
3616 # never executed. This tests whether a pre-'main' dynamic linker
3617 # works with the library. It's too much trouble to actually call
3618 # tputs in the test program, due to portability hassles. When
3619 # cross-compiling, assume the test program will run if it links.
3620 AC_DEFUN([tputs_link_source], [
3622 [[extern void tputs (const char *, int, int (*)(int));
3623 int main (int argc, char **argv)
3626 tputs (argv[0], 0, 0);
3630 if test "${opsys}" = "mingw32"; then
3633 # Maybe curses should be tried earlier?
3634 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3635 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3637 if test -z "$tputs_library"; then
3641 LIBS_TERMCAP=-l$tputs_library
3643 LIBS="$LIBS_TERMCAP $LIBS"
3645 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3646 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3648 if test "X$msg" != Xno; then
3653 AC_MSG_RESULT([$msg])
3654 if test "X$msg" = Xno; then
3655 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3656 The following libraries were tried (in order):
3657 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3658 Please try installing whichever of these libraries is most appropriate
3659 for your system, together with its header files.
3660 For example, a libncurses-dev(el) or similar package.])
3663 ## Use termcap instead of terminfo?
3664 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3666 ## FIXME? In the cases below where we unconditionally set
3667 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3668 ## if that was found above to have tputs.
3669 ## Should we use the gnu* logic everywhere?
3671 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3672 ## The ncurses library has been moved out of the System framework in
3673 ## Mac OS X 10.2. So if configure detects it, set the command-line
3674 ## option to use it.
3675 darwin) LIBS_TERMCAP="-lncurses" ;;
3677 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3680 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3681 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3682 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3683 [[#if __FreeBSD_version < 400000
3686 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3688 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3690 if test $emacs_cv_freebsd_terminfo = yes; then
3691 LIBS_TERMCAP="-lncurses"
3694 LIBS_TERMCAP="-ltermcap"
3704 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3706 LIBS_TERMCAP="-ltermcap"
3710 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3712 ## hpux: Make sure we get select from libc rather than from libcurses
3713 ## because libcurses on HPUX 10.10 has a broken version of select.
3714 ## We used to use -lc -lcurses, but this may be cleaner.
3715 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3716 # set that way, now it uses the default). Isn't this a contradiction?
3717 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3721 TERMCAP_OBJ=tparam.o
3722 if test $TERMINFO = yes; then
3723 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3724 TERMCAP_OBJ=terminfo.o
3726 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3727 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3729 AC_SUBST(LIBS_TERMCAP)
3730 AC_SUBST(TERMCAP_OBJ)
3732 # GNU/Linux-specific timer functions.
3733 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3735 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3737 [[timerfd_create (CLOCK_REALTIME,
3738 TFD_CLOEXEC | TFD_NONBLOCK);
3739 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3740 [emacs_cv_have_timerfd=yes],
3741 [emacs_cv_have_timerfd=no])])
3742 if test "$emacs_cv_have_timerfd" = yes; then
3743 AC_DEFINE([HAVE_TIMERFD], 1,
3744 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3747 # Alternate stack for signal handlers.
3748 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3749 [emacs_cv_alternate_stack],
3751 [AC_LANG_PROGRAM([[#include <signal.h>
3754 struct sigaction sa;
3755 ss.ss_sp = malloc (SIGSTKSZ);
3756 ss.ss_size = SIGSTKSZ;
3757 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3758 sigaltstack (&ss, 0);
3759 sigaction (SIGSEGV, &sa, 0);]])],
3760 [emacs_cv_alternate_stack=yes],
3761 [emacs_cv_alternate_stack=no])])
3763 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3764 # On Darwin, res_init appears not to be useful: see bug#562 and
3765 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3768 if test $opsys != darwin; then
3770 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3771 #include <arpa/nameser.h>
3772 #include <resolv.h>]],
3773 [[return res_init();]])],
3774 have_res_init=yes, have_res_init=no)
3775 if test "$have_res_init" = no; then
3777 LIBS="$LIBS -lresolv"
3778 AC_MSG_CHECKING(for res_init with -lresolv)
3779 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3780 #include <arpa/nameser.h>
3781 #include <resolv.h>]],
3782 [[return res_init();]])],
3783 have_res_init=yes, have_res_init=no)
3784 AC_MSG_RESULT($have_res_init)
3785 if test "$have_res_init" = yes ; then
3791 if test "$have_res_init" = yes; then
3792 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3796 # Do we need the Hesiod library to provide the support routines?
3797 dnl FIXME? Should we be skipping this on Darwin too?
3799 if test "$with_hesiod" != no ; then
3800 # Don't set $LIBS here -- see comments above. FIXME which comments?
3801 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3802 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3803 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3804 if test "$resolv" = yes ; then
3809 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3810 hesiod=yes, :, $RESOLVLIB)])
3812 if test x"$hesiod" = xyes; then
3818 # Do we need libresolv (due to res_init or Hesiod)?
3819 if test "$resolv" = yes && test $opsys != darwin; then
3826 # These tell us which Kerberos-related libraries to use.
3833 if test "${with_kerberos}" != no; then
3835 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3836 if test $have_com_err = yes; then
3837 COM_ERRLIB=-lcom_err
3838 LIBS="$COM_ERRLIB $LIBS"
3840 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3841 if test $have_crypto = yes; then
3843 LIBS="$CRYPTOLIB $LIBS"
3845 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3846 if test $have_k5crypto = yes; then
3847 CRYPTOLIB=-lk5crypto
3848 LIBS="$CRYPTOLIB $LIBS"
3850 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3851 if test $have_krb5=yes; then
3853 LIBS="$KRB5LIB $LIBS"
3855 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3856 if test "${with_kerberos5}" = no; then
3857 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3858 if test $have_des425 = yes; then
3860 LIBS="$DESLIB $LIBS"
3862 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3863 if test $have_des = yes; then
3865 LIBS="$DESLIB $LIBS"
3868 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3869 if test $have_krb4 = yes; then
3871 LIBS="$KRB4LIB $LIBS"
3873 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3874 if test $have_krb = yes; then
3876 LIBS="$KRB4LIB $LIBS"
3881 if test "${with_kerberos5}" != no; then
3882 AC_CHECK_HEADERS(krb5.h,
3883 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3884 [#include <krb5.h>])])
3886 AC_CHECK_HEADERS(krb.h,,
3887 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3888 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3890 AC_CHECK_HEADERS(com_err.h)
3894 AC_SUBST(COM_ERRLIB)
3900 AC_CHECK_HEADERS(valgrind/valgrind.h)
3902 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3905 AC_CHECK_FUNC(socket, , ok_so_far=no)
3906 if test $ok_so_far = yes; then
3907 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3909 if test $ok_so_far = yes; then
3910 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3912 if test $ok_so_far = yes; then
3913 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3914 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3915 [Define to 1 if you have inet sockets.])
3920 AC_CHECK_FUNCS(snprintf)
3922 dnl Check for glib. This differs from other library checks in that
3923 dnl Emacs need not link to glib unless some other library is already
3924 dnl linking to glib. Although glib provides no facilities that Emacs
3925 dnl needs for its own purposes, when glib is present Emacs needs to
3926 dnl use primitives like g_main_context_query to avoid clashing with
3927 dnl glib at a low level.
3929 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3933 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3934 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3935 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3936 LIBS="$LIBS $GFILENOTIFY_LIBS"
3937 AC_MSG_CHECKING([whether GLib is linked in])
3938 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3941 [[g_print ("Hello world");]])],
3944 AC_MSG_RESULT([$links_glib])
3945 if test "${links_glib}" = "yes"; then
3946 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3947 if test "$HAVE_NS" = no;then
3955 dnl Adapted from Haible's version.
3956 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3957 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3958 [[char* cs = nl_langinfo(CODESET);]])],
3959 emacs_cv_langinfo_codeset=yes,
3960 emacs_cv_langinfo_codeset=no)
3962 if test $emacs_cv_langinfo_codeset = yes; then
3963 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3964 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3969 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3970 dnl how the tty code is related to POSIX and/or other versions of termios.
3971 dnl The following looks like a useful start.
3973 dnl AC_SYS_POSIX_TERMIOS
3974 dnl if test $ac_cv_sys_posix_termios = yes; then
3975 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3976 dnl and macros for terminal control.])
3977 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3980 dnl Turned on June 1996 supposing nobody will mind it.
3981 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3982 if test "${opsys}" != "mingw32"; then
3983 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3984 in the full name stands for the login id.])
3987 dnl Everybody supports this, except MS.
3988 dnl Seems like the kind of thing we should be testing for, though.
3989 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3990 if test "${opsys}" != "mingw32"; then
3991 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3994 dnl Everybody supports this, except MS-DOS.
3995 dnl Seems like the kind of thing we should be testing for, though.
3996 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3997 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3998 4.2-compatible sockets.])
4000 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4002 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4003 a null file, or a data sink.])
4004 if test "${opsys}" = "mingw32"; then
4005 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4007 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4010 if test "${opsys}" = "mingw32"; then
4015 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4016 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4017 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4018 dnl decides that a command-line argument to be passed to a MinGW program
4019 dnl is a PATH-style list of directories. But that heuristics plays it
4020 dnl safe, and only does the replacement when it is _absolutely_ sure it
4021 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4022 dnl which breaks in-tree builds. So we do this manually instead.
4023 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4024 dnl be computed as ':' in MSYS Bash.
4027 dnl Everybody supports this, except MS-DOS.
4028 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4030 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4033 AC_DEFINE(DIRECTORY_SEP, ['/'],
4034 [Character that separates directories in a file name.])
4036 if test "${opsys}" = "mingw32"; then
4037 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4038 [Returns true if character is a device separator.])
4040 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4041 [Returns true if character is a directory separator.])
4043 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4044 [Returns true if character is any form of separator.])
4046 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4047 [Returns true if character is a device separator.])
4049 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4050 [Returns true if character is a directory separator.])
4052 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4053 [Returns true if character is any form of separator.])
4056 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4060 dnl Unfortunately without libXmu we cannot support EditRes.
4061 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4062 AC_DEFINE(NO_EDITRES, 1)
4067 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4068 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4069 AC_DEFINE(NO_EDITRES, 1)
4075 irix6-5 | sol2* | unixware )
4076 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4077 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4078 dnl need the constant to dimension an array. So wire in the appropriate
4080 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4084 emacs_broken_SIGIO=no
4087 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4088 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4089 hpux* | irix6-5 | openbsd | sol2* | unixware )
4090 emacs_broken_SIGIO=yes
4094 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4095 dnl the way this system works, libc functions that return malloced
4096 dnl memory use the libc malloc implementation. Calling xfree or
4097 dnl xrealloc on the results of such functions results in a crash.
4099 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4100 dnl but that does not currently work on this system.
4102 dnl It is possible to completely override the malloc implementation on
4103 dnl AIX, but that involves putting the malloc functions in a shared
4104 dnl library and setting the MALLOCTYPE environment variable to point to
4105 dnl that shared library.
4107 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4108 dnl to avoid a crash just use the Emacs implementation for that function.
4110 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4111 dnl of this file, so that we do not check for get_current_dir_name
4112 dnl on AIX. But that might be fragile if something else ends
4113 dnl up testing for get_current_dir_name as a dependency.
4114 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4115 get_current_dir_name should not be used.])
4119 dnl Circumvent a bug in FreeBSD. In the following sequence of
4120 dnl writes/reads on a PTY, read(2) returns bogus data:
4122 dnl write(2) 1022 bytes
4123 dnl write(2) 954 bytes, get EAGAIN
4124 dnl read(2) 1024 bytes in process_read_output
4125 dnl read(2) 11 bytes in process_read_output
4127 dnl That is, read(2) returns more bytes than have ever been written
4128 dnl successfully. The 1033 bytes read are the 1022 bytes written
4129 dnl successfully after processing (for example with CRs added if the
4130 dnl terminal is set up that way which it is here). The same bytes will
4131 dnl be seen again in a later read(2), without the CRs.
4132 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4133 work around an issue when reading from a PTY.])
4139 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4140 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4145 darwin | dragonfly | freebsd | netbsd | openbsd )
4146 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4147 close a pty to make it a controlling terminal (it is already a
4148 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4152 dnl FIXME Surely we can test for this rather than hard-code it.
4154 netbsd | openbsd) sound_device="/dev/audio" ;;
4155 *) sound_device="/dev/dsp" ;;
4159 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4160 [Name of the default sound device.])
4163 dnl Emacs can read input using SIGIO and buffering characters itself,
4164 dnl or using CBREAK mode and making C-g cause SIGINT.
4165 dnl The choice is controlled by the variable interrupt_input.
4167 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4169 dnl Emacs uses the presence of the USABLE_SIGIO macro
4170 dnl to indicate whether or not signal-driven I/O is possible. It uses
4171 dnl INTERRUPT_INPUT to decide whether to use it by default.
4173 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4174 dnl CBREAK mode has two disadvantages
4175 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4176 dnl I hear that in system V this problem does not exist.
4177 dnl 2) Control-G causes output to be discarded.
4178 dnl I do not know whether this can be fixed in system V.
4180 dnl Another method of doing input is planned but not implemented.
4181 dnl It would have Emacs fork off a separate process
4182 dnl to read the input and send it to the true Emacs process
4185 darwin | gnu-linux | gnu-kfreebsd )
4186 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4191 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4192 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4193 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4194 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4195 dnl taking float or double parameters.
4197 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4198 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4199 file defines `NeedWidePrototypes' as `NO'.])
4204 dnl Used in process.c, this must be a loop, even if it only runs once.
4205 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4206 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4207 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4208 dnl trying suffixes 0-16.
4209 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4210 first PTY, if PTYs are supported.])
4211 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4212 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4213 end of a PTY, if non-standard.])
4214 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4215 end of a PTY, if non-standard.])
4219 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4220 dnl You allocate a pty by opening /dev/ptc to get the master side.
4221 dnl To get the name of the slave side, you just ttyname() the master side.
4222 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4223 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4227 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4228 dnl multi-line AC_DEFINEs are hard. :(
4229 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)])
4230 AC_DEFINE(PTY_NAME_SPRINTF, [])
4231 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4234 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4236 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4237 dnl Not used, because PTY_ITERATION is defined.
4238 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4239 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4240 dnl But we don't have to block SIGCHLD because it is blocked in the
4241 dnl implementation of grantpt.
4242 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4243 AC_DEFINE(PTY_NAME_SPRINTF, [])
4244 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4248 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4251 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4253 if test "x$ac_cv_func_grantpt" = xyes; then
4254 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4255 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4256 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4257 dnl to prevent sigchld_handler from intercepting the child's death.
4258 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); }])
4259 dnl if HAVE_POSIX_OPENPT
4260 if test "x$ac_cv_func_posix_openpt" = xyes; then
4261 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4262 AC_DEFINE(PTY_NAME_SPRINTF, [])
4264 elif test "x$ac_cv_func_getpt" = xyes; then
4265 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4266 AC_DEFINE(PTY_NAME_SPRINTF, [])
4268 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4271 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4276 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4277 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4278 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4282 dnl It looks like this cannot be right, because it is not a loop.
4283 dnl However, process.c actually does this:
4289 dnl which presumably makes it OK, since irix == sgi (?).
4290 dnl FIXME it seems like this special treatment is unnecessary?
4291 dnl Why can't irix use a single-trip loop like eg cygwin?
4292 AC_DEFINE(PTY_ITERATION, [])
4293 dnl Not used, because PTY_ITERATION is defined.
4294 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4295 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); }])
4296 dnl No need to get the pty name at all.
4297 AC_DEFINE(PTY_NAME_SPRINTF, [])
4298 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4299 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4303 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4304 dnl from intercepting that death. If any child but grantpt's should die
4305 dnl within, it should be caught after sigrelse(2).
4306 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); }])
4310 dnl Comments are as per sol2*.
4311 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); }])
4318 dnl This change means that we don't loop through allocate_pty too
4319 dnl many times in the (rare) event of a failure.
4320 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4321 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4322 dnl Push various streams modules onto a PTY channel. Used in process.c.
4323 AC_DEFINE(SETUP_SLAVE_PTY, [if (ioctl (xforkin, I_PUSH, "ptem") == -1) fatal ("ioctl I_PUSH ptem"); if (ioctl (xforkin, I_PUSH, "ldterm") == -1) fatal ("ioctl I_PUSH ldterm"); if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) fatal ("ioctl I_PUSH ttcompat");], [How to set up a slave PTY, if needed.])
4328 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4329 "typing" a signal character on the pty.])
4332 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4333 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4334 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4335 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4338 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4339 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4340 gnu-linux | gnu-kfreebsd )
4342 AC_MSG_CHECKING([for signals via characters])
4343 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4344 #include <linux/version.h>
4345 #if LINUX_VERSION_CODE < 0x20400
4346 # error "Linux version too old"
4348 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4350 AC_MSG_RESULT([$emacs_signals_via_chars])
4351 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4356 AH_TEMPLATE(TAB3, [Undocumented.])
4359 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4361 gnu | dragonfly | freebsd | netbsd | openbsd )
4362 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4363 AC_DEFINE(TAB3, OXTABS)
4366 gnu-linux | gnu-kfreebsd )
4367 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4371 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4372 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4373 [Mark a secondary stack, like the register stack on the ia64.]), [])
4377 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4378 run_time_remap; for HPUX.])
4383 dnl This won't be used automatically yet. We also need to know, at least,
4384 dnl that the stack is continuous.
4385 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4386 registers relevant for conservative garbage collection in the jmp_buf.])
4390 dnl Not all the architectures are tested, but there are Debian packages
4391 dnl for SCM and/or Guile on them, so the technique must work. See also
4392 dnl comments in alloc.c concerning setjmp and gcc.
4393 dnl Fixme: it's probably safe to just use the GCC conditional below.
4394 gnu-linux | gnu-kfreebsd )
4395 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4396 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4397 || defined __alpha__ || defined __mips__ || defined __s390__ \
4398 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4399 || defined __ia64__ || defined __sh__
4402 # error "setjmp not known to work on this arch"
4404 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4409 if test x$GCC = xyes; then
4410 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4411 AC_DEFINE(GC_SETJMP_WORKS, 1)
4414 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4415 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4416 AC_DEFINE(GC_SETJMP_WORKS, 1)
4421 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4422 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4425 [[#include <setjmp.h>
4427 # define _longjmp longjmp
4432 _longjmp (j, 1);]])],
4433 [emacs_cv_func__setjmp=yes],
4434 [emacs_cv_func__setjmp=no])])
4435 if test $emacs_cv_func__setjmp = yes; then
4436 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4439 # We need to preserve signal mask to handle C stack overflows.
4440 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4443 [[#include <setjmp.h>
4446 if (! sigsetjmp (j, 1))
4447 siglongjmp (j, 1);]])],
4448 [emacs_cv_func_sigsetjmp=yes],
4449 [emacs_cv_func_sigsetjmp=no])])
4450 if test $emacs_cv_func_sigsetjmp = yes; then
4451 AC_DEFINE([HAVE_SIGSETJMP], 1,
4452 [Define to 1 if sigsetjmp and siglongjmp work.])
4455 # We need all of these features to handle C stack overflows.
4456 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4457 "$ac_cv_func_getrlimit" = "yes" -a \
4458 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4459 "$emacs_cv_alternate_stack" = yes; then
4460 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4461 [Define to 1 if C stack overflow can be handled in some cases.])
4466 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4467 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4468 dnl and this is all we need.
4469 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4476 dnl Used in xfaces.c.
4477 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4478 some systems, where it requires time.h.])
4483 dnl Define symbols to identify the version of Unix this is.
4484 dnl Define all the symbols that apply correctly.
4485 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4486 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4487 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4488 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4493 dnl This symbol should be defined on AIX Version 3 ???????
4494 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4496 # error "_AIX not defined"
4498 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4502 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4506 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4507 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4508 dnl distinguish OS X from pure Darwin.
4509 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4512 gnu-linux | gnu-kfreebsd )
4514 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4519 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4524 AC_DEFINE(USG5_4, [])
4525 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4529 AC_DEFINE(DOS_NT, [])
4530 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4531 if test "x$ac_enable_checking" != "x" ; then
4532 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4538 AC_DEFINE(USG5_4, [])
4539 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4544 AC_DEFINE(USG5_4, [])
4548 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4551 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4552 emacs_cv_usable_FIONREAD=no
4556 emacs_cv_usable_FIONREAD=yes
4561 [AC_LANG_PROGRAM([[#include <sys/types.h>
4562 #include <sys/ioctl.h>
4564 # include <sys/filio.h>
4567 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4568 [emacs_cv_usable_FIONREAD=yes],
4569 [emacs_cv_usable_FIONREAD=no])
4572 if test $emacs_cv_usable_FIONREAD = yes; then
4573 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4575 if test $emacs_broken_SIGIO = no; then
4576 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4578 [AC_LANG_PROGRAM([[#include <fcntl.h>
4581 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4582 [emacs_cv_usable_SIGIO=yes],
4583 [emacs_cv_usable_SIGIO=no])],
4584 [emacs_cv_usable_SIGIO=yes],
4585 [emacs_cv_usable_SIGIO=no])
4586 if test $emacs_cv_usable_SIGIO = yes; then
4587 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4594 dnl It works to open the pty's tty in the parent (Emacs), then
4595 dnl close and reopen it in the child.
4596 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4597 works to open a pty's tty in the parent process, then close and
4598 reopen it in the child.])
4602 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4603 use VSUSP instead of VSWTCH.])
4607 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4612 # Set up the CFLAGS for real compilation, so we can substitute it.
4613 CFLAGS="$REAL_CFLAGS"
4614 CPPFLAGS="$REAL_CPPFLAGS"
4617 ## Hack to detect a buggy GCC version.
4618 if test "x$GCC" = xyes \
4619 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4620 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4621 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4622 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4625 version=$PACKAGE_VERSION
4627 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4628 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4629 [Short copyright string for this version of Emacs.])
4632 ### Specify what sort of things we'll be editing into Makefile and config.h.
4633 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4635 AC_SUBST(configuration)
4640 AC_SUBST(exec_prefix)
4643 AC_SUBST(sharedstatedir)
4644 AC_SUBST(libexecdir)
4648 AC_SUBST(standardlisppath)
4649 AC_SUBST(locallisppath)
4651 AC_SUBST(x_default_search_path)
4653 AC_SUBST(archlibdir)
4658 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4659 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4660 ## end of LIBX_BASE, but nothing ever set it.
4661 AC_SUBST(LD_SWITCH_X_SITE)
4662 AC_SUBST(C_SWITCH_X_SITE)
4663 AC_SUBST(GNUSTEP_CFLAGS)
4665 ## Used in lwlib/Makefile.in.
4666 AC_SUBST(X_TOOLKIT_TYPE)
4668 AC_SUBST(ns_appbindir)
4669 AC_SUBST(ns_appresdir)
4671 AC_SUBST(GNU_OBJC_CFLAGS)
4672 AC_SUBST(OTHER_FILES)
4674 if test -n "${term_header}"; then
4675 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4676 [Define to the header for the built-in window system.])
4679 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4680 [Define to the canonical Emacs configuration name.])
4681 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4682 [Define to the options passed to configure.])
4683 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4684 define this to include extra configuration information.])
4688 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4695 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4696 AC_DEFINE(HAVE_X_WINDOWS, 1,
4697 [Define to 1 if you want to use the X window system.])
4699 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4701 if test "$HAVE_XFT" = "yes"; then
4702 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4703 elif test "$HAVE_FREETYPE" = "yes"; then
4704 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4714 if test "${USE_X_TOOLKIT}" != "none" ; then
4716 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4717 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4718 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4719 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4720 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4724 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4725 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4729 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4730 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4731 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4735 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4736 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4739 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4742 AC_SUBST(WIDGET_OBJ)
4745 case "$USE_X_TOOLKIT" in
4746 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4747 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4748 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4750 AC_SUBST(TOOLKIT_LIBW)
4752 if test "${opsys}" != "mingw32"; then
4753 if test "$USE_X_TOOLKIT" = "none"; then
4754 LIBXT_OTHER="\$(LIBXSM)"
4756 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4759 AC_SUBST(LIBXT_OTHER)
4761 if test "${HAVE_X11}" = "yes" ; then
4762 AC_DEFINE(HAVE_X11, 1,
4763 [Define to 1 if you want to use version 11 of X windows.])
4764 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4768 AC_SUBST(LIBX_OTHER)
4770 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4772 elif test "$USE_X_TOOLKIT" = none; then
4773 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4775 LIBXMENU='$(lwlibdir)/liblw.a'
4779 AC_CACHE_CHECK([for struct alignment],
4780 [emacs_cv_struct_alignment],
4782 [AC_LANG_PROGRAM([[#include <stddef.h>
4783 struct __attribute__ ((aligned (8))) s { char c; };
4784 struct t { char c; struct s s; };
4785 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4787 [emacs_cv_struct_alignment=yes],
4788 [emacs_cv_struct_alignment=no])])
4789 if test "$emacs_cv_struct_alignment" = yes; then
4790 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4791 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4792 structure to an N-byte boundary.])
4795 if test "${GNU_MALLOC}" = "yes" ; then
4796 AC_DEFINE(GNU_MALLOC, 1,
4797 [Define to 1 if you want to use the GNU memory allocator.])
4801 if test "${REL_ALLOC}" = "yes" ; then
4802 AC_DEFINE(REL_ALLOC, 1,
4803 [Define REL_ALLOC if you want to use the relocating allocator for
4806 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4808 AC_SUBST(RALLOC_OBJ)
4810 if test "$opsys" = "cygwin"; then
4811 CYGWIN_OBJ="sheap.o cygw32.o"
4812 ## Cygwin differs because of its unexec().
4814 POST_ALLOC_OBJ=lastfile.o
4815 elif test "$opsys" = "mingw32"; then
4818 POST_ALLOC_OBJ=lastfile.o
4821 PRE_ALLOC_OBJ=lastfile.o
4824 AC_SUBST(CYGWIN_OBJ)
4825 AC_SUBST(PRE_ALLOC_OBJ)
4826 AC_SUBST(POST_ALLOC_OBJ)
4828 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4829 dnl verbatim defined above. The tricky name is apropos, as this hack
4830 dnl makes Fortify go sour!
4831 AH_VERBATIM([FORTIFY_SOUR],
4832 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4833 The workaround disables some useful run-time checking, so it
4834 should be conditional to the platforms with the performance bug.
4835 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4836 #if defined __APPLE__ && defined __GNUC__
4837 # ifndef _DONT_USE_CTYPE_INLINE_
4838 # define _DONT_USE_CTYPE_INLINE_
4840 # ifndef _FORTIFY_SOURCE
4841 # define _FORTIFY_SOURCE 0
4846 # If user asks to omit features, disable optional features that gnulib
4847 # might otherwise enable.
4848 if test "$with_features" = no && test "$enable_acl" != yes; then
4852 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4853 # it temporarily reverts them to their pre-pkg-config values,
4854 # because gnulib needs to work with both src (which uses the
4855 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4856 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4857 # and it therefore needs to run in an environment where LIBS does not
4858 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4859 # for some package unrelated to lib-src.
4862 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4863 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4864 gl_ASSERT_NO_GNULIB_POSIXCHECK
4865 gl_ASSERT_NO_GNULIB_TESTS
4870 if test "${opsys}" = "mingw32"; then
4871 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4872 # Remove unneeded switches from the value of CC that goes to Makefiles
4873 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4877 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4879 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4882 ## The -headerpad option tells ld (see man page) to leave room at the
4883 ## end of the header for adding load commands. Needed for dumping.
4884 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4885 ## architecture (where they are 78 bytes each). The actual number of
4886 ## load commands added is not consistent but normally ranges from
4887 ## about 14 to about 34. Setting it high gets us plenty of slop and
4888 ## only costs about 1.5K of wasted binary space.
4889 headerpad_extra=1000
4890 if test "$HAVE_NS" = "yes"; then
4891 libs_nsgui="-framework AppKit"
4892 if test "$NS_IMPL_COCOA" = "yes"; then
4893 libs_nsgui="$libs_nsgui -framework IOKit"
4898 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4900 ## This is here because src/Makefile.in did some extra fiddling around
4901 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4902 ## LD_SWITCH_SYSTEM_TEMACS instead,
4903 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4904 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4907 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4908 ## find X at run-time.
4909 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4910 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4911 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4912 ## had different values in configure (in ac_link) and src/Makefile.in.
4913 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4914 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4917 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4918 case "$canonical" in
4919 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4920 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4924 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4926 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4929 if test x$ac_enable_profiling != x ; then
4931 *freebsd | gnu-linux) ;;
4932 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4936 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4938 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4940 ## Common for all window systems
4941 if test "$window_system" != "none"; then
4942 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4943 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4944 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4947 AC_SUBST(WINDOW_SYSTEM_OBJ)
4949 AH_TOP([/* GNU Emacs site configuration template file.
4951 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4952 Free Software Foundation, Inc.
4954 This file is part of GNU Emacs.
4956 GNU Emacs is free software: you can redistribute it and/or modify
4957 it under the terms of the GNU General Public License as published by
4958 the Free Software Foundation, either version 3 of the License, or
4959 (at your option) any later version.
4961 GNU Emacs is distributed in the hope that it will be useful,
4962 but WITHOUT ANY WARRANTY; without even the implied warranty of
4963 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4964 GNU General Public License for more details.
4966 You should have received a copy of the GNU General Public License
4967 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4970 /* No code in Emacs #includes config.h twice, but some bits of code
4971 intended to work with other packages as well (like gmalloc.c)
4972 think they can include it as many times as they like. */
4973 #ifndef EMACS_CONFIG_H
4974 #define EMACS_CONFIG_H
4977 AH_BOTTOM([#include <conf_post.h>
4979 #endif /* EMACS_CONFIG_H */
4988 #### Report on what we decided to do.
4989 #### Report GTK as a toolkit, even if it doesn't use Xt.
4990 #### It makes printing result more understandable as using GTK sets
4991 #### toolkit_scroll_bars to yes by default.
4992 if test "${HAVE_GTK}" = "yes"; then
4993 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4996 if test $USE_ACL -ne 0; then
4997 ACL_SUMMARY="yes $LIB_ACL"
5003 Configured for \`${canonical}'.
5005 Where should the build process find the source code? ${srcdir}
5006 What compiler should emacs be built with? ${CC} ${CFLAGS}
5007 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5008 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5009 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5010 What window system should Emacs use? ${window_system}
5011 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5013 if test -n "${x_includes}"; then
5014 echo " Where do we find X Windows header files? ${x_includes}"
5016 echo " Where do we find X Windows header files? Standard dirs"
5018 if test -n "${x_libraries}"; then
5019 echo " Where do we find X Windows libraries? ${x_libraries}"
5021 echo " Where do we find X Windows libraries? Standard dirs"
5025 emacs_config_features=
5026 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5027 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5031 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5032 *) eval val=\${HAVE_$opt} ;;
5034 test x"$val" = xno && continue
5035 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5038 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5039 [Summary of some of the main features enabled by configure.])
5041 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5042 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5043 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5044 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5045 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5046 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5047 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5048 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5050 echo " Does Emacs support sound? ${HAVE_SOUND}"
5052 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5053 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5054 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5055 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5056 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5057 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5058 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5059 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5060 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5062 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5063 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5064 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5065 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5066 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5068 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5071 if test -n "${EMACSDATA}"; then
5072 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5074 if test -n "${EMACSDOC}"; then
5075 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5080 if test "$HAVE_NS" = "yes"; then
5082 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5083 The installed application will go to nextstep/Emacs.app and can be
5084 run or moved from there."
5085 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5086 echo "The application will be fully self-contained."
5088 echo "The lisp resources for the application will be installed under ${prefix}.
5089 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5090 to run if these resources are not installed."
5095 if test "${opsys}" = "cygwin"; then
5097 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5103 # Remove any trailing slashes in these variables.
5104 [test "${prefix}" != NONE &&
5105 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5106 test "${exec_prefix}" != NONE &&
5107 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5109 if test "$HAVE_NS" = "yes"; then
5110 if test "$NS_IMPL_GNUSTEP" = yes; then
5111 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5112 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5113 ns_check_file=Resources/Info-gnustep.plist
5115 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5116 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5117 ns_check_file=Contents/Info.plist
5119 AC_SUBST(ns_check_file)
5122 dnl config.status treats $srcdir specially, so I think this is ok...
5123 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5125 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5126 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5127 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5128 dnl (else you get "no `Makefile.am' found for any configure output").
5129 dnl This will work, but you get a config.status that is not quite right
5130 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5131 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5132 dnl it seems better to just live with the duplication.
5133 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5135 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5136 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5137 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5138 leim/Makefile nextstep/Makefile nt/Makefile])
5140 dnl test/ is not present in release tarfiles.
5141 opt_makefile=test/automated/Makefile
5143 if test -f "$srcdir/$opt_makefile.in"; then
5144 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5145 dnl Again, it's best not to use a variable. Though you can add
5146 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5147 AC_CONFIG_FILES([test/automated/Makefile])
5151 dnl The admin/ directory used to be excluded from tarfiles.
5152 if test -d $srcdir/admin; then
5153 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5154 AC_CONFIG_FILES([admin/unidata/Makefile])
5155 AC_CONFIG_FILES([admin/grammars/Makefile])
5159 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5161 AC_SUBST(SUBDIR_MAKEFILES_IN)
5163 dnl You might wonder (I did) why epaths.h is generated by running make,
5164 dnl rather than just letting configure generate it from epaths.in.
5165 dnl One reason is that the various paths are not fully expanded (see above);
5166 dnl eg gamedir=${prefix}/var/games/emacs.
5167 dnl Secondly, the GNU Coding standards require that one should be able
5168 dnl to run `make prefix=/some/where/else' and override the values set
5169 dnl by configure. This also explains the `move-if-change' test and
5170 dnl the use of force in the `epaths-force' rule in Makefile.in.
5171 AC_CONFIG_COMMANDS([src/epaths.h], [
5172 if test "${opsys}" = "mingw32"; then
5173 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5175 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5176 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5177 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5179 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5180 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5182 AC_CONFIG_COMMANDS([src/.gdbinit], [
5183 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5184 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5188 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5189 dnl See comments for etc-refcards-emacsver.tex.
5190 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5191 dnl it is not quite the same. But we are generating in $srcdir.
5192 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5193 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5194 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5197 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5198 dnl then a directory etc/refcards is created in the build directory,
5199 dnl which is probably harmless, but confusing (in out-of-tree builds).
5200 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5201 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5202 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5203 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5204 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5209 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])