1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2015 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 25.0.50, bug-gnu-emacs@gnu.org)
28 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
29 dnl and then quoted again for a C string. Separate options with spaces.
30 dnl Add some environment variables, if they were passed via the environment
31 dnl rather than on the command-line.
34 dnl This is the documented way to record the args passed to configure,
35 dnl rather than $ac_configure_args.
36 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
38 -n | --no-create | --no-recursion)
40 CFLAGS | CPPFLAGS | LDFLAGS)
41 eval 'test "${'$opt'+set}" = set' || continue
43 *" $opt="*) continue ;;
45 eval opt=$opt=\$$opt ;;
48 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
50 *[["$emacs_shell_specials"]]*)
53 emacs_quote_apostrophes="s/'/'\\\\''/g"
54 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
59 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
60 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
63 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
67 AC_CONFIG_HEADERS(src/config.h:src/config.in)
68 AC_CONFIG_SRCDIR(src/lisp.h)
69 AC_CONFIG_AUX_DIR(build-aux)
70 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
71 dnl With older versions this is a no-op.
72 AC_CONFIG_MACRO_DIR(m4)
75 AC_CHECK_PROGS(XCRUN, [xcrun])
76 if test -n "$XCRUN"; then
77 if test -z "$MAKE"; then
78 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
79 dnl the usual MAKE variable that 'make' itself uses.
80 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
81 if test -z "$MAKE_PROG"; then
84 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
89 dnl GNU Make is required, so don't test for its individual features.
90 am_cv_make_support_nested_variables=yes
91 AC_DEFUN([AC_PROG_MAKE_SET],
93 AC_SUBST([SET_MAKE])])
95 dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
96 [emacs_check_gnu_make ()
98 emacs_makeout=`($1 --version) 2>/dev/null` &&
99 case $emacs_makeout in
100 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
101 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
102 ac_path_MAKE_found=:;;
105 AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
106 [ac_path_MAKE_found=false
107 if test -n "$MAKE"; then
108 emacs_check_gnu_make "$MAKE"
109 ac_cv_path_MAKE=$MAKE
111 emacs_tried_make=false
112 emacs_tried_gmake=false
113 emacs_tried_gnumake=false
114 AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
115 [[emacs_check_gnu_make "$ac_path_MAKE"
116 if $ac_path_MAKE_found; then
117 # Use the fully-qualified program name only if the basename
118 # would not resolve to it.
119 if eval \$emacs_tried_$ac_prog; then
120 ac_cv_path_MAKE=$ac_path_MAKE
122 ac_cv_path_MAKE=$ac_prog
125 eval emacs_tried_$ac_prog=:]])
127 $ac_path_MAKE_found || {
128 AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
129 If you have it installed under another name, configure with 'MAKE=...'.
130 For example, run '$0 MAKE=gnu-make'.]])
132 MAKE=$ac_cv_path_MAKE
135 dnl Fairly arbitrary, older versions might work too.
136 AM_INIT_AUTOMAKE(1.11)
138 dnl Canonicalize the configuration name.
144 if test -z "$host_alias"; then
146 # No --host argument was given to 'configure'; therefore $host
147 # was set to a default value based on the build platform. But
148 # this default value may be wrong if we are building from a
149 # 64-bit MSYS[2] pre-configured to build 32-bit MinGW programs.
150 # Therefore, we'll try to get the right host platform from the
153 AC_MSG_CHECKING([the compiler's target])
154 if test -z "$CC"; then
159 cc_target=`$cc -v 2>&1 | sed -n 's/Target: //p'`
163 "") AC_MSG_ERROR([Impossible to obtain $cc compiler target.
164 Please explicitly provide --host.])
166 *) AC_MSG_WARN([Compiler reported non-standard target.
167 Defaulting to $host.])
170 AC_MSG_RESULT([$host])
173 . $srcdir/nt/mingw-cfg.site
177 # srcdir is an absolute path. In this case, force the format
178 # "/c/foo/bar", to simplify later conversions to native Windows
179 # format ("c:/foo/bar").
180 srcdir=`cd "${srcdir}" && pwd -W`
181 # 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612).
182 eval 'srcdir="/${srcdir:0:1}${srcdir:2}"'
188 configuration=${host_alias-${build_alias-$host}}
190 dnl Support for --program-prefix, --program-suffix and
191 dnl --program-transform-name options
194 dnl It is important that variables on the RHS not be expanded here,
195 dnl hence the single quotes. This is per the GNU coding standards, see
196 dnl (autoconf) Installation Directory Variables
197 dnl See also epaths.h below.
198 lispdir='${datadir}/emacs/${version}/lisp'
199 standardlisppath='${lispdir}'
200 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
201 '${datadir}/emacs/site-lisp'
202 lisppath='${locallisppath}:${standardlisppath}'
203 etcdir='${datadir}/emacs/${version}/etc'
204 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
205 etcdocdir='${datadir}/emacs/${version}/etc'
206 gamedir='${localstatedir}/games/emacs'
208 dnl Special option to disable the most of other options.
210 [AS_HELP_STRING([--without-all],
211 [omit almost all features and build
212 small executable with minimal dependencies])],
213 [with_features=$withval],
216 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
217 dnl Create a new --with option that defaults to being disabled.
218 dnl NAME is the base name of the option. The shell variable with_NAME
219 dnl will be set to either the user's value (if the option is
220 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
221 dnl option is not specified). Note that the shell variable name is
222 dnl constructed as autoconf does, by replacing non-alphanumeric
223 dnl characters with "_".
224 dnl HELP-STRING is the help text for the option.
225 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
226 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
227 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
230 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
231 dnl Create a new --with option that defaults to $with_features.
232 dnl NAME is the base name of the option. The shell variable with_NAME
233 dnl will be set either to 'no' (for a plain --without-NAME) or to
234 dnl 'yes' (if the option is not specified). Note that the shell
235 dnl variable name is constructed as autoconf does, by replacing
236 dnl non-alphanumeric characters with "_".
237 dnl HELP-STRING is the help text for the option.
238 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
239 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
240 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
243 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
244 if test "$with_pop" = yes; then
245 AC_DEFINE(MAIL_USE_POP)
247 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
249 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
250 if test "$with_kerberos" != no; then
253 AH_TEMPLATE(KERBEROS,
254 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
256 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
257 if test "${with_kerberos5}" != no; then
258 if test "${with_kerberos}" = no; then
262 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
265 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
266 dnl FIXME hesiod support may not be present, so it seems like an error
267 dnl to define, or at least use, this unconditionally.
268 if test "$with_hesiod" != no; then
269 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
272 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
273 if test "$with_mmdf" != no; then
274 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
277 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
278 if test "$with_mail_unlink" != no; then
279 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
282 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
283 [string giving default POP mail host])],
284 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
286 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
287 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
288 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
289 [ case "${withval}" in
290 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
291 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
292 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
297 [with_sound=$with_features])
299 dnl FIXME currently it is not the last.
300 dnl This should be the last --with option, because --with-x is
301 dnl added later on when we find the file name of X, and it's best to
302 dnl keep them together visually.
303 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
304 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
305 [ case "${withval}" in
306 y | ye | yes ) val=gtk ;;
308 l | lu | luc | luci | lucid ) val=lucid ;;
309 a | at | ath | athe | athen | athena ) val=athena ;;
310 m | mo | mot | moti | motif ) val=motif ;;
311 g | gt | gtk ) val=gtk ;;
315 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
316 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
317 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
318 `athena' and `lucid' are synonyms.])
324 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
325 if test "$with_wide_int" = yes; then
326 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
329 dnl _ON results in a '--without' option in the --help output, so
330 dnl the help text should refer to "don't compile", etc.
331 with_xpm_set=${with_xpm+set}
332 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
333 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
334 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
335 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
336 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
337 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
338 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
339 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
341 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
342 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
343 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
345 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
346 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
347 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
348 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
349 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
351 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
352 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
353 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
354 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
355 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
356 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
357 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
359 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
360 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
361 [ case "${withval}" in
362 y | ye | yes ) val=yes ;;
364 g | gf | gfi | gfil | gfile ) val=gfile ;;
365 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
366 w | w3 | w32 ) val=w32 ;;
367 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
368 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
369 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
370 otherwise for the first of `gfile' or `inotify' that is usable.])
373 with_file_notification=$val
375 [with_file_notification=$with_features])
377 ## For the times when you want to build Emacs but don't have
378 ## a suitable makeinfo, and can live without the manuals.
379 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
380 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
382 ## This might be a 'configure' arg.
383 AC_SUBST([ACLOCAL_PATH])
385 ## Makefile.in needs the cache file name.
388 ## This is an option because I do not know if all info/man support
389 ## compressed files, nor how to test if they do so.
390 OPTION_DEFAULT_ON([compress-install],
391 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
392 make GZIP_PROG= install])
394 AC_ARG_WITH(gameuser,dnl
395 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
396 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
397 && gameuser="${with_gameuser}"
398 test "X$gameuser" = X && gameuser=games
400 AC_ARG_WITH([gnustep-conf],dnl
401 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
402 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
403 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
404 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
405 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
406 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
408 AC_ARG_ENABLE(ns-self-contained,
409 [AS_HELP_STRING([--disable-ns-self-contained],
410 [disable self contained build under NeXTstep])],
411 EN_NS_SELF_CONTAINED=$enableval,
412 EN_NS_SELF_CONTAINED=yes)
414 AC_ARG_ENABLE(locallisppath,
415 [AS_HELP_STRING([--enable-locallisppath=PATH],
416 [directories Emacs should search for lisp files specific
418 if test "${enableval}" = "no"; then
420 elif test "${enableval}" != "yes"; then
421 locallisppath=${enableval}
424 AC_ARG_ENABLE(checking,
425 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
426 [enable expensive run-time checks. With LIST,
427 enable only specific categories of checks.
428 Categories are: all,yes,no.
429 Flags are: stringbytes, stringoverrun, stringfreelist,
430 xmallocoverrun, conslist, glyphs])],
431 [ac_checking_flags="${enableval}"],[])
432 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
433 for check in $ac_checking_flags
436 # these set all the flags to specific states
437 yes) ac_enable_checking=1 ;;
438 no) ac_enable_checking= ;
439 ac_gc_check_stringbytes= ;
440 ac_gc_check_string_overrun= ;
441 ac_gc_check_string_free_list= ;
442 ac_xmalloc_overrun= ;
443 ac_gc_check_cons_list= ;
445 all) ac_enable_checking=1 ;
446 ac_gc_check_stringbytes=1 ;
447 ac_gc_check_string_overrun=1 ;
448 ac_gc_check_string_free_list=1 ;
449 ac_xmalloc_overrun=1 ;
450 ac_gc_check_cons_list=1 ;
452 # these enable particular checks
453 stringbytes) ac_gc_check_stringbytes=1 ;;
454 stringoverrun) ac_gc_check_string_overrun=1 ;;
455 stringfreelist) ac_gc_check_string_free_list=1 ;;
456 xmallocoverrun) ac_xmalloc_overrun=1 ;;
457 conslist) ac_gc_check_cons_list=1 ;;
458 glyphs) ac_glyphs_debug=1 ;;
459 *) AC_MSG_ERROR(unknown check category $check) ;;
464 if test x$ac_enable_checking != x ; then
465 AC_DEFINE(ENABLE_CHECKING, 1,
466 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
468 if test x$ac_gc_check_stringbytes != x ; then
469 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
470 [Define this temporarily to hunt a bug. If defined, the size of
471 strings is redundantly recorded in sdata structures so that it can
472 be compared to the sizes recorded in Lisp strings.])
474 if test x$ac_gc_check_string_overrun != x ; then
475 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
476 [Define this to check for short string overrun.])
478 if test x$ac_gc_check_string_free_list != x ; then
479 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
480 [Define this to check the string free list.])
482 if test x$ac_xmalloc_overrun != x ; then
483 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
484 [Define this to check for malloc buffer overrun.])
486 if test x$ac_gc_check_cons_list != x ; then
487 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
488 [Define this to check for errors in cons list.])
490 if test x$ac_glyphs_debug != x ; then
491 AC_DEFINE(GLYPH_DEBUG, 1,
492 [Define this to enable glyphs debugging code.])
495 AC_ARG_ENABLE(check-lisp-object-type,
496 [AS_HELP_STRING([--enable-check-lisp-object-type],
497 [enable compile time checks for the Lisp_Object data type.
498 This is useful for development for catching certain types of bugs.])],
499 if test "${enableval}" != "no"; then
500 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
501 [Define this to enable compile time checks for the Lisp_Object data type.])
505 dnl The name of this option is unfortunate. It predates, and has no
506 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
507 dnl Actually, it stops it working.
508 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
509 AC_ARG_ENABLE(profiling,
510 [AS_HELP_STRING([--enable-profiling],
511 [build emacs with low-level, gprof profiling support.
512 Mainly useful for debugging Emacs itself. May not work on
513 all platforms. Stops profiler.el working.])],
514 [ac_enable_profiling="${enableval}"],[])
515 if test x$ac_enable_profiling != x ; then
516 PROFILING_CFLAGS="-DPROFILING=1 -pg"
520 AC_SUBST(PROFILING_CFLAGS)
522 AC_ARG_ENABLE(autodepend,
523 [AS_HELP_STRING([--enable-autodepend],
524 [automatically generate dependencies to .h-files.
525 Requires gcc, enabled if found.])],
526 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
528 AC_ARG_ENABLE(gtk-deprecation-warnings,
529 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
530 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
531 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
533 dnl This used to use changequote, but, apart from `changequote is evil'
534 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
535 dnl the great gob of text. Thus it's not processed for possible expansion.
536 dnl Just make sure the brackets remain balanced.
538 dnl Since Emacs can't find matching pairs of quotes, boundaries are
539 dnl indicated by comments.
543 ### If you add support for a new configuration, add code to this
544 ### switch statement to recognize your configuration name and select
545 ### the appropriate opsys.
547 ### As far as handling version numbers on operating systems is
548 ### concerned, make sure things will fail in a fixable way. If
549 ### /etc/MACHINES doesn't say anything about version numbers, be
550 ### prepared to handle anything reasonably. If version numbers
551 ### matter, be sure /etc/MACHINES says something about it.
554 case "${canonical}" in
556 ## GNU/Linux and similar ports
571 ## FreeBSD kernel + glibc based userland
582 *-*-openbsd* | *-*-mirbsd* )
586 ## Apple Darwin / Mac OS X
588 case "${canonical}" in
589 *-apple-darwin[0-9].*) unported=yes ;;
590 i[3456]86-* | x86_64-* ) ;;
594 ## Use fink packages if available.
595 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
596 ## if test -d /sw/include && test -d /sw/lib; then
597 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
598 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
607 ## HP 9000 series 700 and 800, running HP/UX
611 hppa*-hp-hpux1[1-9]* )
613 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
617 rs6000-ibm-aix4.[23]* )
620 powerpc-ibm-aix4.[23]* )
623 rs6000-ibm-aix[56]* )
626 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
630 ## Silicon Graphics machines
634 # Without defining _LANGUAGE_C, things get masked out in the headers
635 # so that, for instance, grepping for `free' in stdlib.h fails and
636 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
637 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
642 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
643 | x86_64-*-solaris2* | x86_64-*-sunos5*)
644 case "${canonical}" in
646 amd64-*-*|x86_64-*-*) ;;
650 case "${canonical}" in
651 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
653 emacs_check_sunpro_c=yes
655 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
656 ## Note that Emacs 23.1's NEWS said the following would be dropped.
657 *-sunos5.6* | *-solaris2.6* )
661 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
662 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
664 emacs_check_sunpro_c=yes
667 ## Watch out for a compiler that we know will not work.
668 case "${canonical}" in
669 *-solaris* | *-sunos5* )
670 if [ "x$CC" = x/usr/ucb/cc ]; then
671 ## /usr/ucb/cc doesn't work;
672 ## we should find some other compiler that does work.
680 ## Intel 386 machines where we don't care about the manufacturer.
682 case "${canonical}" in
683 *-darwin* ) opsys=darwin ;;
686 # MinGW overrides and adds some system headers in nt/inc.
687 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
689 *-sysv4.2uw* ) opsys=unixware ;;
690 *-sysv5uw* ) opsys=unixware ;;
691 *-sysv5OpenUNIX* ) opsys=unixware ;;
692 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
698 case "${canonical}" in
701 # MinGW overrides and adds some system headers in nt/inc.
702 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
704 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
713 ### If the code above didn't choose an operating system, just choose
714 ### an operating system based on the configuration name. You really
715 ### only want to use this when you have no idea what the right
716 ### operating system is; if you know what operating systems a machine
717 ### runs, it's cleaner to make it explicit in the case statement
719 if test x"${opsys}" = x; then
720 case "${canonical}" in
721 *-gnu* ) opsys=gnu ;;
731 if test $unported = yes; then
732 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
733 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
734 Check `etc/MACHINES' for recognized configuration names.])
737 #### Choose a compiler.
739 dnl Don't bother to test for C89.
740 AC_DEFUN([_AC_PROG_CC_C89], [$2])
742 dnl Sets GCC=yes if using gcc.
743 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
744 if test -n "$XCRUN"; then
745 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
746 test -n "$AR" && export AR
749 dnl Emacs needs C99 or later.
754 if test x$GCC = xyes; then
755 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
757 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
760 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
761 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
762 dnl that clash with MinGW.
763 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
765 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
766 AC_DEFUN([gl_CRYPTO_CHECK])
767 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
768 # as we don't use them.
769 AC_DEFUN([gl_FCNTL_O_FLAGS])
771 # Initialize gnulib right after choosing the compiler.
772 dnl Amongst other things, this sets AR and ARFLAGS.
775 if test "$ac_test_CFLAGS" != set; then
776 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
777 # if -g3 works and the user does not specify CFLAGS.
778 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
781 emacs_g3_CFLAGS='-g3';;
783 emacs_g3_CFLAGS='-g3 -O2';;
787 if test -n "$emacs_g3_CFLAGS"; then
788 emacs_save_CFLAGS=$CFLAGS
789 CFLAGS=$emacs_g3_CFLAGS
790 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
791 [emacs_cv_prog_cc_g3],
792 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
793 [emacs_cv_prog_cc_g3=yes],
794 [emacs_cv_prog_cc_g3=no])])
795 if test $emacs_cv_prog_cc_g3 != yes; then
796 CFLAGS=$emacs_save_CFLAGS
798 if test $opsys = mingw32; then
799 CFLAGS="$CFLAGS -gdwarf-2"
806 # No optimization flag was inferred for this non-GCC compiler.
807 # Try -O. This is needed for xlc on AIX; see Bug#14258.
808 emacs_save_CFLAGS=$CFLAGS
809 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
811 AC_CACHE_CHECK([whether $CC accepts -O],
812 [emacs_cv_prog_cc_o],
813 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
814 [emacs_cv_prog_cc_o=yes],
815 [emacs_cv_prog_cc_o=no])])
816 if test $emacs_cv_prog_cc_o != yes; then
817 CFLAGS=$emacs_save_CFLAGS
822 AC_ARG_ENABLE([gcc-warnings],
823 [AS_HELP_STRING([--enable-gcc-warnings],
824 [turn on lots of GCC warnings/errors. This is intended for
825 developers, and may generate false alarms when used
826 with older or non-GNU development tools.])],
829 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
831 gl_gcc_warnings=$enableval],
835 # clang is unduly picky about some things.
836 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
843 [emacs_cv_clang=yes],
844 [emacs_cv_clang=no])])
846 # When compiling with GCC, prefer -isystem to -I when including system
847 # include files, to avoid generating useless diagnostics for the files.
848 if test "$gl_gcc_warnings" != yes; then
850 if test "$emacs_cv_clang" = yes
852 # Turn off some warnings if supported.
853 gl_WARN_ADD([-Wno-switch])
854 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
855 gl_WARN_ADD([-Wno-pointer-sign])
856 gl_WARN_ADD([-Wno-string-plus-int])
861 # This, $nw, is the list of warnings we disable.
864 case $with_x_toolkit in
865 lucid | athena | motif)
866 # Old toolkits mishandle 'const'.
867 nw="$nw -Wwrite-strings"
870 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
873 AC_SUBST([WERROR_CFLAGS])
875 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
876 nw="$nw -Woverlength-strings" # Not a problem these days
877 nw="$nw -Wformat-nonliteral" # we do this a lot
878 nw="$nw -Wvla" # Emacs uses <vla.h>.
879 nw="$nw -Wswitch-default" # Too many warnings for now
880 nw="$nw -Winline" # OK to ignore 'inline'
881 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
882 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
883 # signed overflow has undefined behavior
884 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
885 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
886 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
888 # Emacs doesn't care about shadowing; see
889 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
892 # Emacs's use of alloca inhibits protecting the stack.
893 nw="$nw -Wstack-protector"
895 # Emacs's use of partly-const functions such as Fgnutls_available_p
896 # make this option problematic.
897 nw="$nw -Wsuggest-attribute=const"
899 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
900 # option problematic.
901 nw="$nw -Wsuggest-attribute=pure"
903 # This part is merely for shortening the command line,
904 # since -Wno-FOO needs to be added below regardless.
905 nw="$nw -Wmissing-field-initializers"
907 nw="$nw -Wtype-limits"
908 nw="$nw -Wunused-parameter"
910 if test $emacs_cv_clang = yes; then
911 nw="$nw -Wcast-align"
914 gl_MANYWARN_ALL_GCC([ws])
915 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
919 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
920 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
921 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
922 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
923 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
924 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
925 gl_WARN_ADD([-Wno-format-nonliteral])
927 # More things that clang is unduly picky about.
928 if test $emacs_cv_clang = yes; then
929 gl_WARN_ADD([-Wno-format-extra-args])
930 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
931 gl_WARN_ADD([-Wno-unused-command-line-argument])
932 gl_WARN_ADD([-Wno-unused-value])
935 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
936 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
937 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
938 [/* Enable compile-time and run-time bounds-checking, and some warnings,
939 without upsetting glibc 2.15+. */
940 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
941 && defined __OPTIMIZE__ && __OPTIMIZE__)
942 # define _FORTIFY_SOURCE 2
946 # We use a slightly smaller set of warning options for lib/.
947 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
949 nw="$nw -Wunused-macros"
951 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
952 AC_SUBST([GNULIB_WARN_CFLAGS])
962 AC_ARG_ENABLE(link-time-optimization,
963 [AS_HELP_STRING([--enable-link-time-optimization],
964 [build emacs with link-time optimization.
965 This requires GCC 4.5.0 or later, or clang.
966 (Note that clang support is experimental - see INSTALL.)
967 It also makes Emacs harder to debug, and when we tried it
968 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
969 recommended for typical use.])],
970 if test "${enableval}" != "no"; then
972 if test $emacs_cv_clang = yes; then
973 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
974 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
975 if test -x "$GOLD_PLUGIN"; then
978 elif test x$GCC = xyes; then
979 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
980 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
981 if test x$CPUS != x; then
987 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
989 if test -z "$LTO"; then
993 CFLAGS="$CFLAGS $LTO"
994 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
995 [ac_lto_supported=yes], [ac_lto_supported=no])
998 AC_MSG_RESULT([$ac_lto_supported])
999 if test "$ac_lto_supported" = "yes"; then
1000 CFLAGS="$CFLAGS $LTO"
1001 if test x$emacs_cv_clang = xyes; then
1002 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1003 # WARNING: 'ar --plugin ...' doesn't work without
1004 # command, so plugin name is appended to ARFLAGS.
1005 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1006 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1008 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1009 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1010 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1011 dnl dump core on Fedora 20, so play it safe for now.
1012 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1013 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1018 dnl Prefer silent make output. For verbose output, use
1019 dnl 'configure --disable-silent-rules' or 'make V=1' .
1020 AM_SILENT_RULES([yes])
1021 dnl Port to Automake 1.11.
1022 dnl This section can be removed once we assume Automake 1.14 or later.
1023 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1024 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1026 AM_SUBST_NOTMAKE([AM_V])
1027 AC_SUBST([AM_DEFAULT_V])
1028 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1029 AC_SUBST([AM_DEFAULT_VERBOSITY])
1031 dnl Some other nice autoconf tests.
1032 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1035 dnl if test "x$RANLIB" = x; then
1040 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1041 dnl can be made to directories. This is not relevant for our usage, and
1042 dnl excludes some cases that work fine for us. Eg MS Windows or files
1043 dnl hosted on AFS, both examples where simple links work, but links to
1044 dnl directories fail. We use a cut-down version instead.
1047 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1048 rm -f conf$$ conf$$.file
1050 LN_S_FILEONLY='cp -p'
1052 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1053 dnl random program in the current directory.
1054 if (echo >conf$$.file) 2>/dev/null; then
1055 if ln -s conf$$.file conf$$ 2>/dev/null; then
1056 if test "$opsys" = "mingw32"; then
1057 LN_S_FILEONLY='/bin/ln -s'
1059 LN_S_FILEONLY='ln -s'
1061 elif ln conf$$.file conf$$ 2>/dev/null; then
1062 if test "$opsys" = "mingw32"; then
1063 LN_S_FILEONLY=/bin/ln
1070 rm -f conf$$ conf$$.file
1072 if test "$LN_S_FILEONLY" = "ln -s"; then
1073 AC_MSG_RESULT([yes])
1075 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1078 AC_SUBST(LN_S_FILEONLY)
1081 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1082 dnl doesn't support links to directories, as in "ln file dir". But that
1083 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1084 dnl executables at "make install" time.
1085 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1086 dnl for more details.
1087 if test "$opsys" = "mingw32"; then
1091 dnl On some Debian versions, "install-info" prints irritating messages
1092 dnl "This is not dpkg install-info anymore, but GNU install-info"
1093 dnl if called via an absolute file name.
1094 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1095 dnl Sadly some people may have an old ginstall-info installed on
1096 dnl non-Debian systems, so we can't use this.
1097 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1098 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1100 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1101 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1102 dnl Don't use GZIP, which is used by gzip for additional parameters.
1103 AC_PATH_PROG(GZIP_PROG, gzip)
1105 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1106 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1108 if test $opsys = gnu-linux; then
1109 AC_PATH_PROG(PAXCTL, paxctl,,
1110 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1111 if test "X$PAXCTL" != X; then
1112 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1113 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1114 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1115 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1118 if test "${SETFATTR+set}" != set; then
1119 AC_CACHE_CHECK([for setfattr],
1120 [emacs_cv_prog_setfattr],
1122 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1123 emacs_cv_prog_setfattr=yes
1125 emacs_cv_prog_setfattr=no
1127 if test "$emacs_cv_prog_setfattr" = yes; then
1133 AC_SUBST([SETFATTR])
1137 ## Need makeinfo >= 4.7 (?) to build the manuals.
1138 if test "$MAKEINFO" != "no"; then
1139 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1142 case `($MAKEINFO --version) 2>/dev/null` in
1143 *' (GNU texinfo) '4.[[7-9]]* | \
1144 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1145 *' (GNU texinfo) '[[5-9]]* | \
1146 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1151 ## Makeinfo is unusual. For a released Emacs, the manuals are
1152 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1153 ## therefore in the category of "special tools" not normally required, which
1154 ## configure does not have to check for (eg autoconf itself).
1155 ## In a repository checkout on the other hand, the manuals are not included.
1156 ## So makeinfo is a requirement to build from the repository, and configure
1157 ## should test for it as it does for any other build requirement.
1158 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1159 ## with pre-built manuals, from a repository checkout.
1162 if test "$MAKEINFO" = "no"; then
1164 if test "x${with_makeinfo}" = "xno"; then
1166 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1167 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1168 source tree does not seem to have pre-built manuals in the `info' directory.
1169 Either install a suitable version of makeinfo, or re-run configure
1170 with the `--without-makeinfo' option to build without the manuals.] )
1173 AC_SUBST(HAVE_MAKEINFO)
1175 if test $opsys = mingw32; then
1176 DOCMISC_W32=efaq-w32
1180 AC_SUBST(DOCMISC_W32)
1182 dnl Add our options to ac_link now, after it is set up.
1184 if test x$GCC = xyes; then
1185 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1186 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1188 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1189 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1192 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1193 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1194 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1195 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1196 dnl if not built to support GNU ld.
1198 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1199 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1200 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1201 dnl Eg "make LDFLAGS=... all" could run into problems,
1202 dnl http://bugs.debian.org/684788
1203 dnl * unnecessary, since temacs is the only thing that actually needs it.
1204 dnl Indeed this is where it was originally, prior to:
1205 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1206 late_LDFLAGS="$LDFLAGS"
1207 if test x$GCC = xyes; then
1208 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1210 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1213 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1215 AC_MSG_CHECKING([for -znocombreloc])
1216 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1217 [AC_MSG_RESULT(yes)],
1218 LDFLAGS_NOCOMBRELOC=
1219 [AC_MSG_RESULT(no)])
1221 LDFLAGS="$late_LDFLAGS"
1223 AC_CACHE_CHECK([whether addresses are sanitized],
1224 [emacs_cv_sanitize_address],
1227 [[#ifndef __has_feature
1228 #define __has_feature(f) 0
1230 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1232 error "Addresses are not sanitized.";
1235 [emacs_cv_sanitize_address=yes],
1236 [emacs_cv_sanitize_address=no])])
1238 dnl The function dump-emacs will not be defined and temacs will do
1239 dnl (load "loadup") automatically unless told otherwise.
1240 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1242 your-opsys-here) CANNOT_DUMP=yes ;;
1245 if test "$CANNOT_DUMP" = "yes"; then
1246 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1247 elif test "$emacs_cv_sanitize_address" = yes; then
1248 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1251 AC_SUBST(CANNOT_DUMP)
1254 UNEXEC_OBJ=unexelf.o
1256 # MSDOS uses unexcoff.o
1258 UNEXEC_OBJ=unexaix.o
1264 UNEXEC_OBJ=unexmacosx.o
1267 UNEXEC_OBJ=unexhp9k800.o
1270 UNEXEC_OBJ=unexw32.o
1273 # Use the Solaris dldump() function, called from unexsol.c, to dump
1274 # emacs, instead of the generic ELF dump code found in unexelf.c.
1275 # The resulting binary has a complete symbol table, and is better
1276 # for debugging and other observability tools (debuggers, pstack, etc).
1278 # If you encounter a problem using dldump(), please consider sending
1279 # a message to the OpenSolaris tools-linking mailing list:
1280 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1282 # It is likely that dldump() works with older Solaris too, but this has
1283 # not been tested, so for now this change is for Solaris 10 or newer.
1284 UNEXEC_OBJ=unexsol.o
1291 ## Let `ld' find image libs and similar things in /usr/local/lib.
1292 ## The system compiler, GCC, has apparently been modified to not
1293 ## look there, contrary to what a stock GCC would do.
1294 ### It's not our place to do this. See bug#10313#17.
1295 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1300 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1301 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1305 ### It's not our place to do this. See bug#10313#17.
1306 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1311 ## Han Boetes <han@boetes.org> says this is necessary,
1312 ## otherwise Emacs dumps core on elf systems.
1313 LD_SWITCH_SYSTEM="-Z"
1316 AC_SUBST(LD_SWITCH_SYSTEM)
1318 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1320 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1321 ## which has not been defined yet. When this was handled with cpp,
1322 ## it was expanded to null when configure sourced the s/*.h file.
1323 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1324 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1325 ## (or somesuch), but because it is supposed to go at the _front_
1326 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1327 ## Compare with the gnu-linux case below, which added to the end
1328 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1329 ## LD_SWITCH_SYSTEM_TEMACS.
1332 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1339 AC_CHECK_DECL([__ELF__])
1340 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1341 ## With ELF, make sure that all common symbols get allocated to in the
1342 ## data section. Otherwise, the dump of temacs may miss variables in
1343 ## the shared library that have been initialized. For example, with
1344 ## GNU libc, __malloc_initialized would normally be resolved to the
1345 ## shared library's .bss section, which is fatal.
1346 if test "x$GCC" = "xyes"; then
1347 C_SWITCH_MACHINE="-fno-common"
1349 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1352 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1353 dnl albeit under the mistaken assumption that said file
1354 dnl was no longer used.
1355 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1359 AC_SUBST(C_SWITCH_MACHINE)
1361 AC_SUBST(UNEXEC_OBJ)
1364 ## Some programs in src produce warnings saying certain subprograms
1365 ## are too complex and need a MAXMEM value greater than 2000 for
1366 ## additional optimization. --nils@exp-math.uni-essen.de
1367 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1368 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1369 if test "$opsys" = "mingw32"; then
1370 case "$canonical" in
1371 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1372 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1375 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1376 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1377 AC_SUBST(C_SWITCH_SYSTEM)
1382 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1383 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1385 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1387 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1389 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1391 ## Motif needs -lgen.
1392 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1395 AC_SUBST(LIBS_SYSTEM)
1397 ### Make sure subsequent tests use flags consistent with the build flags.
1399 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1400 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1402 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1405 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1406 AC_DEFUN([AC_TYPE_SIZE_T])
1407 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1408 AC_DEFUN([AC_TYPE_UID_T])
1410 # sqrt and other floating-point functions such as fmod and frexp
1411 # are found in -lm on many systems.
1413 AC_SEARCH_LIBS([sqrt], [m])
1414 if test "X$LIBS" = "X$OLD_LIBS"; then
1417 LIB_MATH=$ac_cv_search_sqrt
1421 dnl Current possibilities handled by sed (aix4-2 -> aix,
1422 dnl gnu-linux -> gnu/linux, etc.):
1423 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1424 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1425 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1432 ## Adding -lm confuses the dynamic linker, so omit it.
1435 freebsd | dragonfly )
1436 SYSTEM_TYPE=berkeley-unix
1438 gnu-linux | gnu-kfreebsd )
1440 hpux10-20 | hpux11 )
1444 SYSTEM_TYPE=windows-nt
1446 dnl NB this may be adjusted below.
1448 SYSTEM_TYPE=berkeley-unix
1452 SYSTEM_TYPE=usg-unix-v
1458 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1459 [The type of system you are compiling for; sets `system-type'.])
1462 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1463 pre_PKG_CONFIG_LIBS=$LIBS
1465 PKG_PROG_PKG_CONFIG(0.9.0)
1467 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1468 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1469 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1470 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1471 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1472 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1474 AC_DEFUN([EMACS_CHECK_MODULES],
1475 [PKG_CHECK_MODULES([$1], [$2],
1476 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1477 m4_default([$3], [HAVE_$1=yes])],
1478 [m4_default([$4], [HAVE_$1=no])])])
1481 if test "${with_sound}" != "no"; then
1482 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1483 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1484 have_sound_header=yes, [], [
1486 #define WIN32_LEAN_AND_MEAN
1487 #include <windows.h>
1490 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1491 AC_MSG_ERROR([OSS sound support requested but not found.])
1493 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1494 # Emulation library used on NetBSD.
1495 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1496 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1497 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1498 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1499 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1503 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1505 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1506 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1507 if test $HAVE_ALSA = yes; then
1508 SAVE_CFLAGS="$CFLAGS"
1510 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1511 LIBS="$ALSA_LIBS $LIBS"
1512 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1513 emacs_alsa_normal=yes,
1514 emacs_alsa_normal=no)
1515 if test "$emacs_alsa_normal" != yes; then
1516 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1517 [[snd_lib_error_set_handler (0);]])],
1518 emacs_alsa_subdir=yes,
1519 emacs_alsa_subdir=no)
1520 if test "$emacs_alsa_subdir" != yes; then
1521 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1523 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1526 CFLAGS="$SAVE_CFLAGS"
1528 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1529 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1530 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1531 elif test "${with_sound}" = "alsa"; then
1532 AC_MSG_ERROR([ALSA sound support requested but not found.])
1534 fi dnl with_sound = alsa|yes
1536 dnl Define HAVE_SOUND if we have sound support. We know it works and
1537 dnl compiles only on the specified platforms. For others, it
1538 dnl probably doesn't make sense to try.
1539 dnl FIXME So surely we should bypass this whole section if not using
1540 dnl one of these platforms?
1541 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1543 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1544 dnl Adjust the --with-sound help text if you change this.
1545 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1546 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1552 AC_SUBST(CFLAGS_SOUND)
1555 dnl checks for header files
1556 AC_CHECK_HEADERS_ONCE(
1561 sys/utsname.h pwd.h utmp.h util.h)
1563 AC_MSG_CHECKING(if personality LINUX32 can be set)
1564 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1565 emacs_cv_personality_linux32=yes,
1566 emacs_cv_personality_linux32=no)
1567 AC_MSG_RESULT($emacs_cv_personality_linux32)
1569 if test $emacs_cv_personality_linux32 = yes; then
1570 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1571 [Define to 1 if personality LINUX32 can be set.])
1574 # Note that Solaris has sys/sysinfo.h which defines struct
1575 # sysinfo as well. To make sure that we're using GNU/Linux
1576 # sysinfo, we explicitly set one of its fields.
1577 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1578 AC_MSG_CHECKING([if Linux sysinfo may be used])
1579 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1580 [[struct sysinfo si;
1583 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1584 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1585 if test $emacs_cv_linux_sysinfo = yes; then
1586 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1587 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1588 [[struct sysinfo si; return si.mem_unit]])],
1589 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1590 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1594 dnl On Solaris 8 there's a compilation warning for term.h because
1595 dnl it doesn't define `bool'.
1596 AC_CHECK_HEADERS(term.h, , , -)
1598 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1600 if test $ac_cv_have_decl_sys_siglist != yes; then
1601 # For Tru64, at least:
1602 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1607 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1608 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1609 #if HAVE_SYS_SOCKET_H
1610 #include <sys/socket.h>
1612 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1613 #if HAVE_SYS_SOCKET_H
1614 #include <sys/socket.h>
1616 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1617 #if HAVE_SYS_SOCKET_H
1618 #include <sys/socket.h>
1621 dnl checks for structure members
1622 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1623 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1624 struct ifreq.ifr_addr,
1625 struct ifreq.ifr_addr.sa_len], , ,
1626 [AC_INCLUDES_DEFAULT
1627 #if HAVE_SYS_SOCKET_H
1628 #include <sys/socket.h>
1634 dnl Check for endianness.
1635 dnl AC_C_BIGENDIAN is done by gnulib.
1637 dnl check for Make feature
1642 dnl check if we have GCC and autodepend is on.
1643 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1644 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1645 SAVE_CFLAGS="$CFLAGS"
1646 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1647 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1648 CFLAGS="$SAVE_CFLAGS"
1649 test -f deps.d || ac_enable_autodepend=no
1651 AC_MSG_RESULT([$ac_enable_autodepend])
1652 if test $ac_enable_autodepend = yes; then
1653 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1654 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1655 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1656 deps_frag=autodeps.mk
1659 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1660 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1661 deps_frag=$srcdir/src/$deps_frag
1664 AC_SUBST_FILE(deps_frag)
1665 AC_SUBST_FILE(lwlib_deps_frag)
1666 AC_SUBST_FILE(oldxmenu_deps_frag)
1668 lisp_frag=$srcdir/src/lisp.mk
1669 AC_SUBST_FILE(lisp_frag)
1672 dnl checks for operating system services
1673 AC_SYS_LONG_FILE_NAMES
1675 #### Choose a window system.
1677 ## We leave window_system equal to none if
1678 ## we end up building without one. Any new window system should
1679 ## set window_system to an appropriate value and add objects to
1680 ## window-system-specific substs.
1684 if test "$no_x" != yes; then
1688 LD_SWITCH_X_SITE_RPATH=
1689 if test "${x_libraries}" != NONE; then
1690 if test -n "${x_libraries}"; then
1691 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1692 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1694 x_default_search_path=""
1695 x_search_path=${x_libraries}
1696 if test -z "${x_search_path}"; then
1697 x_search_path=/usr/lib
1699 for x_library in `echo ${x_search_path}: | \
1700 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1702 ${x_library}/X11/%L/%T/%N%C%S:\
1703 ${x_library}/X11/%l/%T/%N%C%S:\
1704 ${x_library}/X11/%T/%N%C%S:\
1705 ${x_library}/X11/%L/%T/%N%S:\
1706 ${x_library}/X11/%l/%T/%N%S:\
1707 ${x_library}/X11/%T/%N%S"
1708 if test x"${x_default_search_path}" = x; then
1709 x_default_search_path=${x_search_path}
1711 x_default_search_path="${x_search_path}:${x_default_search_path}"
1715 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1717 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1718 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1721 if test x"${x_includes}" = x; then
1722 bitmapdir=/usr/include/X11/bitmaps
1724 # accumulate include directories that have X11 bitmap subdirectories
1726 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1727 if test -d "${bmd}/X11/bitmaps"; then
1728 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1730 if test -d "${bmd}/bitmaps"; then
1731 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1734 if test ${bmd_acc} != "dummyval"; then
1735 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1742 tmp_CPPFLAGS="$CPPFLAGS"
1743 tmp_CFLAGS="$CFLAGS"
1744 CPPFLAGS="$CPPFLAGS -x objective-c"
1745 CFLAGS="$CFLAGS -x objective-c"
1748 if test "${with_ns}" != no; then
1749 if test "${opsys}" = darwin; then
1751 ns_appdir=`pwd`/nextstep/Emacs.app
1752 ns_appbindir=${ns_appdir}/Contents/MacOS
1753 ns_appresdir=${ns_appdir}/Contents/Resources
1754 ns_appsrc=Cocoa/Emacs.base
1755 ns_fontfile=macfont.o
1756 elif test -f $GNUSTEP_CONFIG_FILE; then
1758 ns_appdir=`pwd`/nextstep/Emacs.app
1759 ns_appbindir=${ns_appdir}
1760 ns_appresdir=${ns_appdir}/Resources
1761 ns_appsrc=GNUstep/Emacs.base
1762 ns_fontfile=nsfont.o
1763 dnl FIXME sourcing this several times in subshells seems inefficient.
1764 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1765 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1766 dnl I seemed to need these as well with GNUstep-startup 0.25.
1767 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1768 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1769 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1770 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1771 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1772 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1773 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1774 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1775 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1776 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1777 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1778 dnl If they had chosen to either define it or not, we could have
1779 dnl just used AC_CHECK_DECL here.
1780 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1781 emacs_cv_objc_exceptions,
1782 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1783 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1787 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1788 if test $emacs_cv_objc_exceptions = yes; then
1789 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1790 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1791 [Define if GNUstep uses ObjC exceptions.])
1792 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1796 dnl This is only used while we test the NS headers, it gets reset below.
1797 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1799 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1800 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1801 files are missing or cannot be compiled.])])
1804 if test "${NS_IMPL_COCOA}" = "yes"; then
1805 AC_MSG_CHECKING([for OSX 10.6 or newer])
1806 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1808 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1809 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1812 error "OSX 10.6 or newer required";
1816 ns_osx_have_106=yes,
1818 AC_MSG_RESULT([$ns_osx_have_106])
1820 if test $ns_osx_have_106 = no; then
1821 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1826 AC_SUBST(LIBS_GNUSTEP)
1828 INSTALL_ARCH_INDEP_EXTRA=install-etc
1829 ns_self_contained=no
1832 if test "${HAVE_NS}" = yes; then
1833 if test "$with_toolkit_scroll_bars" = "no"; then
1834 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1837 window_system=nextstep
1838 # set up packaging dirs
1839 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1840 ns_self_contained=yes
1841 prefix=${ns_appresdir}
1842 exec_prefix=${ns_appbindir}
1843 dnl This one isn't really used, only archlibdir is.
1844 libexecdir="\${ns_appbindir}/libexec"
1845 archlibdir="\${ns_appbindir}/libexec"
1846 etcdocdir="\${ns_appresdir}/etc"
1847 etcdir="\${ns_appresdir}/etc"
1848 dnl FIXME maybe set datarootdir instead.
1849 dnl That would also get applications, icons, man.
1850 infodir="\${ns_appresdir}/info"
1851 mandir="\${ns_appresdir}/man"
1852 lispdir="\${ns_appresdir}/lisp"
1853 INSTALL_ARCH_INDEP_EXTRA=
1856 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1858 CFLAGS="$tmp_CFLAGS"
1859 CPPFLAGS="$tmp_CPPFLAGS"
1860 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1861 AC_SUBST(ns_self_contained)
1863 AC_SUBST(NS_OBJC_OBJ)
1874 if test "${with_w32}" != no; then
1877 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1878 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1879 cannot be found.])])
1882 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1885 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1890 if test "${opsys}" = "mingw32"; then
1891 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1892 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1893 #include <windows.h>
1894 #include <usp10.h>]],
1895 [[PIMAGE_NT_HEADERS pHeader;
1896 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1897 [emacs_cv_w32api=yes
1900 AC_MSG_RESULT($emacs_cv_w32api)
1901 if test "${emacs_cv_w32api}" = "no"; then
1902 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1913 if test "${HAVE_W32}" = "yes"; then
1914 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1915 AC_CHECK_TOOL(WINDRES, [windres],
1916 [AC_MSG_ERROR([No resource compiler found.])])
1917 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1918 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1919 EMACSRES="emacs.res"
1920 case "$canonical" in
1921 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1922 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1924 dnl Construct something of the form "24,4,0,0" with 4 components.
1925 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1927 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1928 AC_SUBST(comma_version)
1929 AC_SUBST(comma_space_version)
1930 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1931 if test "${opsys}" = "cygwin"; then
1932 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1933 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1934 # Tell the linker that emacs.res is an object (which we compile from
1935 # the rc file), not a linker script.
1936 W32_RES_LINK="-Wl,emacs.res"
1938 UPDATE_MANIFEST=update-game-score.exe.manifest
1939 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1940 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1941 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1942 W32_RES_LINK="\$(EMACSRES)"
1943 CLIENTRES="emacsclient.res"
1944 CLIENTW="emacsclientw\$(EXEEXT)"
1945 FIRSTFILE_OBJ=firstfile.o
1948 LIBS_ECLIENT="-lcomctl32"
1949 LIB_WSOCK32="-lwsock32"
1950 NTLIB="ntlib.$ac_objext"
1951 XARGS_LIMIT="-s 10000"
1957 AC_SUBST(EMACS_MANIFEST)
1958 AC_SUBST(UPDATE_MANIFEST)
1961 AC_SUBST(W32_RES_LINK)
1962 AC_SUBST(FIRSTFILE_OBJ)
1965 AC_SUBST(LIBS_ECLIENT)
1966 AC_SUBST(LIB_WSOCK32)
1968 AC_SUBST(XARGS_LIMIT)
1970 if test "${HAVE_W32}" = "yes"; then
1975 ## $window_system is now set to the window system we will
1978 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1979 # Too many warnings for now.
1981 nw="$nw -Wsuggest-attribute=noreturn"
1982 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1984 gl_WARN_ADD([-Wno-unused-variable])
1985 gl_WARN_ADD([-Wno-unused-but-set-variable])
1986 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1994 case "${window_system}" in
1999 case "${with_x_toolkit}" in
2000 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2001 motif ) USE_X_TOOLKIT=MOTIF ;;
2003 term_header=gtkutil.h
2004 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2005 dnl USE_X_TOOLKIT is set.
2006 USE_X_TOOLKIT=none ;;
2007 gtk2 ) with_gtk2=yes
2008 term_header=gtkutil.h
2009 USE_X_TOOLKIT=none ;;
2010 gtk3 ) with_gtk3=yes
2011 term_header=gtkutil.h
2012 USE_X_TOOLKIT=none ;;
2013 no ) USE_X_TOOLKIT=none ;;
2014 dnl If user did not say whether to use a toolkit, make this decision later:
2015 dnl use the toolkit if we have gtk, or X11R5 or newer.
2016 * ) USE_X_TOOLKIT=maybe ;;
2020 term_header=nsterm.h
2023 term_header=w32term.h
2027 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2028 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2029 if test "$HAVE_XSERVER" = true ||
2030 test -n "$DISPLAY" ||
2031 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2032 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2033 were found. You should install the relevant development files for X
2034 and for the toolkit you want, such as Gtk+ or Motif. Also make
2035 sure you have development files for image handling, i.e.
2036 tiff, gif, jpeg, png and xpm.
2037 If you are sure you want Emacs compiled without X window support, pass
2043 # Does the opsystem file prohibit the use of the GNU malloc?
2044 # Assume not, until told otherwise.
2048 [whether malloc is Doug Lea style],
2049 [emacs_cv_var_doug_lea_malloc],
2050 [emacs_cv_var_doug_lea_malloc=no
2051 dnl Hooks do not work with address sanitization.
2052 if test "$emacs_cv_sanitize_address" != yes; then
2055 [[#include <malloc.h>
2056 static void hook (void) {}]],
2057 [[malloc_set_state (malloc_get_state ());
2058 __after_morecore_hook = hook;
2059 __malloc_initialize_hook = hook;]])],
2060 [emacs_cv_var_doug_lea_malloc=yes])])
2062 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2064 system_malloc=$emacs_cv_sanitize_address
2069 ## darwin ld insists on the use of malloc routines in the System framework.
2070 darwin|mingw32|sol2-10) system_malloc=yes ;;
2071 cygwin) hybrid_malloc=yes;;
2075 if test "${system_malloc}" = "yes"; then
2076 AC_DEFINE([SYSTEM_MALLOC], 1,
2077 [Define to 1 to use the system memory allocator, even if it is not
2081 (The GNU allocators don't work with this system configuration.)"
2083 elif test "$hybrid_malloc" = yes; then
2084 AC_DEFINE(HYBRID_MALLOC, 1,
2085 [Define to use gmalloc before dumping and the system malloc after.])
2087 GNU_MALLOC_reason="only before dumping"
2088 GMALLOC_OBJ=gmalloc.o
2091 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2092 VMLIMIT_OBJ=vm-limit.o
2094 AC_CHECK_HEADERS([sys/vlimit.h])
2095 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2098 [[extern char data_start[]; char ch;]],
2099 [[return data_start < &ch;]])],
2100 [emacs_cv_data_start=yes],
2101 [emacs_cv_data_start=no])])
2102 if test $emacs_cv_data_start = yes; then
2103 AC_DEFINE([HAVE_DATA_START], 1,
2104 [Define to 1 if data_start is the address of the start
2105 of the main data segment.])
2108 AC_SUBST(GMALLOC_OBJ)
2109 AC_SUBST(VMLIMIT_OBJ)
2111 if test "$doug_lea_malloc" = "yes" ; then
2112 if test "$GNU_MALLOC" = yes ; then
2114 (Using Doug Lea's new malloc from the GNU C Library.)"
2116 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2117 [Define to 1 if the system memory allocator is Doug Lea style,
2118 with malloc hooks and malloc_set_state.])
2120 ## Use mmap directly for allocating larger buffers.
2121 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2122 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2123 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2125 mingw32|gnu*) REL_ALLOC=no ;;
2129 if test x"${REL_ALLOC}" = x; then
2130 REL_ALLOC=${GNU_MALLOC}
2133 use_mmap_for_buffers=no
2135 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2139 if test $use_mmap_for_buffers = yes; then
2140 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2144 LIBS="$LIBS_SYSTEM $LIBS"
2146 dnl FIXME replace main with a function we actually want from this library.
2147 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2149 dnl Check for the POSIX thread library.
2151 if test "$opsys" != "mingw32"; then
2152 AC_CHECK_HEADERS_ONCE(pthread.h)
2153 if test "$ac_cv_header_pthread_h"; then
2154 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2155 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2156 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2157 if test "$GMALLOC_OBJ" = gmalloc.o; then
2158 emacs_pthread_function=pthread_atfork
2160 emacs_pthread_function=pthread_kill
2163 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2164 [AC_DEFINE([HAVE_PTHREAD], [1],
2165 [Define to 1 if you have pthread (-lpthread).])
2166 # Some systems optimize for single-threaded programs by default, and
2167 # need special flags to disable these optimizations. For example, the
2168 # definition of 'errno' in <errno.h>.
2171 AC_DEFINE([_REENTRANT], 1,
2172 [Define to 1 if your system requires this in multithreaded code.]);;
2174 AC_DEFINE([_THREAD_SAFE], 1,
2175 [Define to 1 if your system requires this in multithreaded code.]);;
2177 if test "X$LIBS" != "X$OLD_LIBS"; then
2178 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2182 AC_SUBST([LIB_PTHREAD])
2185 dnl Check for need for bigtoc support on IBM AIX
2189 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2191 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2192 *) gdb_cv_bigtoc=-bbigtoc ;;
2195 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2196 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2201 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2202 # is for the tests that follow. We set them back later on.
2204 REAL_CFLAGS="$CFLAGS"
2205 REAL_CPPFLAGS="$CPPFLAGS"
2208 if test "${HAVE_X11}" = "yes"; then
2209 DEFS="$C_SWITCH_X_SITE $DEFS"
2210 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2212 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2213 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2215 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2216 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2217 # but it's more convenient here to set LD_RUN_PATH since this
2218 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2219 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2220 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2224 if test "${opsys}" = "gnu-linux"; then
2225 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2226 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2227 [[XOpenDisplay ("foo");]])],
2228 [xgnu_linux_first_failure=no],
2229 [xgnu_linux_first_failure=yes])
2230 if test "${xgnu_linux_first_failure}" = "yes"; then
2231 OLD_CPPFLAGS="$CPPFLAGS"
2233 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2234 LIBS="$LIBS -b i486-linuxaout"
2235 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2236 [[XOpenDisplay ("foo");]])],
2237 [xgnu_linux_second_failure=no],
2238 [xgnu_linux_second_failure=yes])
2239 if test "${xgnu_linux_second_failure}" = "yes"; then
2240 # If we get the same failure with -b, there is no use adding -b.
2241 # So leave it out. This plays safe.
2244 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2245 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2248 CPPFLAGS=$OLD_CPPFLAGS
2255 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2256 # header files included from there.
2257 AC_MSG_CHECKING(for Xkb)
2258 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2259 #include <X11/XKBlib.h>]],
2260 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2261 emacs_xkb=yes, emacs_xkb=no)
2262 AC_MSG_RESULT($emacs_xkb)
2263 if test $emacs_xkb = yes; then
2264 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2267 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2268 XScreenNumberOfScreen)
2271 if test "${window_system}" = "x11"; then
2272 AC_MSG_CHECKING(X11 version 6)
2273 AC_CACHE_VAL(emacs_cv_x11_version_6,
2274 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2275 [[#if XlibSpecificationRelease < 6
2278 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2279 if test $emacs_cv_x11_version_6 = yes; then
2280 AC_MSG_RESULT(6 or newer)
2281 AC_DEFINE(HAVE_X11R6, 1,
2282 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2283 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2284 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2288 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2289 [Define if you have usable X11R6-style XIM support.])
2293 AC_MSG_RESULT(before 6)
2298 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2300 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2301 if test "${with_rsvg}" != "no"; then
2302 RSVG_REQUIRED=2.11.0
2303 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2305 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2306 AC_SUBST(RSVG_CFLAGS)
2309 if test $HAVE_RSVG = yes; then
2310 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2311 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2312 # Windows loads librsvg dynamically
2313 if test "${opsys}" = "mingw32"; then
2321 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2322 if test "${with_imagemagick}" != "no"; then
2323 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2324 ## 6.8.2 makes Emacs crash; see Bug#13867.
2325 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2326 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2327 AC_SUBST(IMAGEMAGICK_CFLAGS)
2328 AC_SUBST(IMAGEMAGICK_LIBS)
2330 if test $HAVE_IMAGEMAGICK = yes; then
2331 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2334 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2335 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2336 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2346 gtk_term_header=$term_header
2349 if test "${opsys}" != "mingw32"; then
2350 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2353 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2355 dnl Checks for libraries.
2356 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2357 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2358 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2359 AC_MSG_ERROR($GTK_PKG_ERRORS)
2361 if test "$pkg_check_gtk" = "yes"; then
2362 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2363 GTK_OBJ=emacsgtkfixed.o
2364 gtk_term_header=gtkutil.h
2365 USE_GTK_TOOLKIT="GTK3"
2366 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2367 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2368 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2369 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2370 [Define to 1 to disable Glib deprecation warnings.])
2374 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2378 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2381 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2383 dnl Checks for libraries.
2384 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2385 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2386 if test "$pkg_check_gtk" = "no" &&
2387 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2389 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2391 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2398 if test x"$pkg_check_gtk" = xyes; then
2401 CFLAGS="$CFLAGS $GTK_CFLAGS"
2402 LIBS="$GTK_LIBS $LIBS"
2403 dnl Try to compile a simple GTK program.
2404 AC_MSG_CHECKING([whether GTK compiles])
2408 [[/* Check the Gtk and Glib APIs. */
2409 #include <gtk/gtk.h>
2410 #include <glib-object.h>
2412 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2416 GtkSettings *gs = 0;
2417 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2418 strict C prohibits this. Use gtk_main_iteration to test that the
2419 libraries are there. */
2420 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2421 0, 0, 0, G_CALLBACK (callback), 0))
2422 gtk_main_iteration ();
2425 AC_MSG_RESULT([$GTK_COMPILES])
2426 if test "${GTK_COMPILES}" != "yes"; then
2428 if test "$USE_X_TOOLKIT" != "maybe"; then
2429 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2432 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2434 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2435 GTK_OBJ="gtkutil.o $GTK_OBJ"
2436 term_header=$gtk_term_header
2438 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2441 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2442 closing open displays. This is no problem if you just use
2443 one display, but if you use more than one and close one of them
2453 if test "${HAVE_GTK}" = "yes"; then
2455 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2456 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2457 if test "$with_toolkit_scroll_bars" != no; then
2458 with_toolkit_scroll_bars=yes
2461 dnl Check if we have the old file selection dialog declared and
2462 dnl in the link library. In 2.x it may be in the library,
2463 dnl but not declared if deprecated featured has been selected out.
2464 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2465 HAVE_GTK_FILE_SELECTION=no
2466 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2467 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2468 #include <gtk/gtk.h>])
2469 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2470 AC_CHECK_FUNCS(gtk_file_selection_new)
2473 dnl Same as above for gtk_handle_box.
2474 HAVE_GTK_HANDLE_BOX=no
2475 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2476 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2477 #include <gtk/gtk.h>])
2478 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2479 AC_CHECK_FUNCS(gtk_handle_box_new)
2482 dnl Same as above for gtk_tearoff_menu_item.
2483 HAVE_GTK_TEAROFF_MENU_ITEM=no
2484 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2485 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2486 #include <gtk/gtk.h>])
2487 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2488 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2491 dnl Check for functions introduced in 2.14 and later.
2492 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2493 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2494 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2495 gtk_orientable_set_orientation \
2496 gtk_window_set_has_resize_grip)
2498 term_header=gtkutil.h
2504 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2505 dnl other platforms.
2508 if test "${with_dbus}" = "yes"; then
2509 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2510 if test "$HAVE_DBUS" = yes; then
2511 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2512 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2513 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2516 LIBS="$LIBS $DBUS_LIBS"
2517 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2518 dbus_type_is_valid \
2519 dbus_validate_bus_name \
2520 dbus_validate_path \
2521 dbus_validate_interface \
2522 dbus_validate_member)
2527 AC_SUBST(DBUS_CFLAGS)
2531 dnl GSettings has been tested under GNU/Linux only.
2533 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2534 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2535 if test "$HAVE_GSETTINGS" = "yes"; then
2537 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2539 LIBS="$LIBS $GSETTINGS_LIBS"
2540 AC_MSG_CHECKING([whether GSettings is in gio])
2543 [[/* Check that gsettings really is present. */
2544 #include <glib-object.h>
2545 #include <gio/gio.h>
2548 GSettings *settings;
2549 GVariant *val = g_settings_get_value (settings, "");
2551 [], HAVE_GSETTINGS=no)
2552 AC_MSG_RESULT([$HAVE_GSETTINGS])
2554 if test "$HAVE_GSETTINGS" = "yes"; then
2555 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2556 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2557 SETTINGS_LIBS="$GSETTINGS_LIBS"
2564 dnl GConf has been tested under GNU/Linux only.
2565 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2567 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2568 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2569 if test "$HAVE_GCONF" = yes; then
2570 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2571 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2572 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2573 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2577 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2578 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2579 if test "$HAVE_GOBJECT" = "yes"; then
2580 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2581 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2583 SAVE_CFLAGS="$CFLAGS"
2585 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2586 LIBS="$SETTINGS_LIBS $LIBS"
2587 CFLAGS="$SAVE_CFLAGS"
2590 AC_SUBST(SETTINGS_CFLAGS)
2591 AC_SUBST(SETTINGS_LIBS)
2594 dnl SELinux is available for GNU/Linux only.
2597 if test "${with_selinux}" = "yes"; then
2598 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2599 if test "$HAVE_LIBSELINUX" = yes; then
2600 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2601 LIBSELINUX_LIBS=-lselinux
2604 AC_SUBST(LIBSELINUX_LIBS)
2607 if test "${with_gnutls}" = "yes" ; then
2608 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2609 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2610 if test "${HAVE_GNUTLS}" = "yes"; then
2611 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2612 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2613 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2616 # Windows loads GnuTLS dynamically
2617 if test "${opsys}" = "mingw32"; then
2622 AC_SUBST(LIBGNUTLS_LIBS)
2623 AC_SUBST(LIBGNUTLS_CFLAGS)
2628 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2629 dnl a particular library. This doesn't make much sense?
2630 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2631 with_file_notification=no
2634 dnl MS Windows native file monitor is available for mingw32 only.
2635 case $with_file_notification,$opsys in
2636 w32,* | yes,mingw32)
2637 AC_CHECK_HEADER(windows.h)
2638 if test "$ac_cv_header_windows_h" = yes ; then
2639 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2640 NOTIFY_OBJ=w32notify.o
2641 NOTIFY_SUMMARY="yes (w32)"
2645 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2646 dnl has been added in glib 2.24. It has been tested under
2647 dnl GNU/Linux only. We take precedence over inotify, but this makes
2648 dnl only sense when glib has been compiled with inotify support. How
2650 case $with_file_notification,$NOTIFY_OBJ in
2652 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2653 if test "$HAVE_GFILENOTIFY" = "yes"; then
2654 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2655 NOTIFY_OBJ=gfilenotify.o
2656 NOTIFY_SUMMARY="yes -lgio (gfile)"
2660 dnl inotify is only available on GNU/Linux.
2661 case $with_file_notification,$NOTIFY_OBJ in
2663 AC_CHECK_HEADER(sys/inotify.h)
2664 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2665 AC_CHECK_FUNC(inotify_init1)
2666 if test "$ac_cv_func_inotify_init1" = yes; then
2667 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2668 NOTIFY_OBJ=inotify.o
2669 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2674 case $with_file_notification,$NOTIFY_OBJ in
2675 yes,* | no,* | *,?*) ;;
2676 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2679 if test -n "$NOTIFY_OBJ"; then
2680 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2682 AC_SUBST(NOTIFY_OBJ)
2683 AC_SUBST(GFILENOTIFY_CFLAGS)
2684 AC_SUBST(GFILENOTIFY_LIBS)
2686 dnl Do not put whitespace before the #include statements below.
2687 dnl Older compilers (eg sunos4 cc) choke on it.
2690 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2691 if test "$with_xaw3d" != no; then
2692 AC_CACHE_VAL(emacs_cv_xaw3d,
2693 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2694 #include <X11/Intrinsic.h>
2695 #include <X11/Xaw3d/Simple.h>]],
2697 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2698 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2699 emacs_cv_xaw3d=no)])
2703 if test $emacs_cv_xaw3d = yes; then
2704 AC_MSG_CHECKING(for xaw3d)
2705 AC_MSG_RESULT([yes; using Lucid toolkit])
2709 AC_DEFINE(HAVE_XAW3D, 1,
2710 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2712 AC_MSG_CHECKING(for xaw3d)
2714 AC_MSG_CHECKING(for libXaw)
2715 AC_CACHE_VAL(emacs_cv_xaw,
2716 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2717 #include <X11/Intrinsic.h>
2718 #include <X11/Xaw/Simple.h>]],
2722 if test $emacs_cv_xaw = yes; then
2723 AC_MSG_RESULT([yes; using Lucid toolkit])
2726 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2727 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2729 AC_MSG_ERROR([No X toolkit could be found.
2730 If you are sure you want Emacs compiled without an X toolkit, pass
2732 to configure. Otherwise, install the development libraries for the toolkit
2733 that you want to use (e.g. Gtk+) and re-run configure.])
2738 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2742 if test "${USE_X_TOOLKIT}" != "none"; then
2743 AC_MSG_CHECKING(X11 toolkit version)
2744 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2745 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2746 [[#if XtSpecificationRelease < 6
2749 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2750 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2751 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2752 AC_MSG_RESULT(6 or newer)
2753 AC_DEFINE(HAVE_X11XTR6, 1,
2754 [Define to 1 if you have the X11R6 or newer version of Xt.])
2755 LIBXTR6="-lSM -lICE"
2757 ## Use libw.a along with X11R6 Xt.
2758 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2761 AC_MSG_RESULT(before 6)
2764 dnl If using toolkit, check whether libXmu.a exists.
2765 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2767 if test x$HAVE_X11XTR6 = xyes; then
2768 OTHERLIBS='-lXt -lSM -lICE'
2772 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2773 if test "X$LIBS" != "X$OLDLIBS"; then
2774 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2777 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2783 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2784 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2785 if test -d /usr/include/openmotif; then
2786 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2787 emacs_cv_openmotif=yes
2788 case "$canonical" in
2789 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2790 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2793 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2796 emacs_cv_openmotif=no
2798 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2799 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2800 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2803 Motif version prior to 2.1.
2805 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2806 if test $emacs_cv_motif_version_2_1 = yes; then
2807 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2808 if test x$emacs_cv_openmotif = xyes; then
2809 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2812 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2813 # We put this in CFLAGS temporarily to precede other -I options
2814 # that might be in CFLAGS temporarily.
2815 # We put this in CPPFLAGS where it precedes the other -I options.
2816 OLD_CPPFLAGS=$CPPFLAGS
2818 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2819 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2820 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2822 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2823 if test $emacs_cv_lesstif = yes; then
2824 # Make sure this -I option remains in CPPFLAGS after it is set
2825 # back to REAL_CPPFLAGS.
2826 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2827 # have those other -I options anyway. Ultimately, having this
2828 # directory ultimately in CPPFLAGS will be enough.
2829 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2830 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2833 CPPFLAGS=$OLD_CPPFLAGS
2836 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2837 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2840 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2841 dnl using Motif or Xaw3d is available, and unless
2842 dnl --with-toolkit-scroll-bars=no was specified.
2844 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2845 [Define to 1 if we should use toolkit scroll bars.])dnl
2846 USE_TOOLKIT_SCROLL_BARS=no
2847 if test "${with_toolkit_scroll_bars}" != "no"; then
2848 if test "${USE_X_TOOLKIT}" != "none"; then
2849 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2850 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2852 USE_TOOLKIT_SCROLL_BARS=yes
2853 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2854 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2855 USE_TOOLKIT_SCROLL_BARS=yes
2857 elif test "${HAVE_GTK}" = "yes"; then
2858 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2859 USE_TOOLKIT_SCROLL_BARS=yes
2860 elif test "${HAVE_NS}" = "yes"; then
2861 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2862 USE_TOOLKIT_SCROLL_BARS=yes
2863 elif test "${HAVE_W32}" = "yes"; then
2864 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2865 USE_TOOLKIT_SCROLL_BARS=yes
2869 dnl See if XIM is available.
2870 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2871 #include <X11/Xlib.h>
2872 #include <X11/Xresource.h>]],
2873 [[XIMProc callback;]])],
2875 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2878 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2880 if test "${with_xim}" != "no"; then
2881 AC_DEFINE(USE_XIM, 1,
2882 [Define to 1 if we should use XIM, if it is available.])
2886 if test "${HAVE_XIM}" != "no"; then
2888 if test "$GCC" = yes; then
2889 CFLAGS="$CFLAGS --pedantic-errors"
2891 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2892 #include <X11/Xlib.h>
2893 #include <X11/Xresource.h>]],
2899 XPointer *client_data;
2901 /* If we're not using GCC, it's probably not XFree86, and this is
2902 probably right, but we can't use something like --pedantic-errors. */
2903 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2904 char*, XIMProc, XPointer*);
2906 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2908 [emacs_cv_arg6_star=yes])
2909 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2910 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2911 either XPointer or XPointer*.])dnl
2912 if test "$emacs_cv_arg6_star" = yes; then
2913 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2915 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2920 ### Start of font-backend (under any platform) section.
2921 # (nothing here yet -- this is a placeholder)
2922 ### End of font-backend (under any platform) section.
2924 ### Start of font-backend (under X11) section.
2925 if test "${HAVE_X11}" = "yes"; then
2926 ## Use -lXft if available, unless `--with-xft=no'.
2928 if test "x${with_x}" = "xno"; then
2932 if test "$with_xft" != no; then
2933 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2934 with_xft=$HAVE_FONTCONFIG
2937 if test "x${with_xft}" != "xno"; then
2939 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2940 ## Because xftfont.c uses XRenderQueryExtension, we also
2941 ## need to link to -lXrender.
2943 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2944 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2945 OLD_CPPFLAGS="$CPPFLAGS"
2946 OLD_CFLAGS="$CFLAGS"
2948 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2949 CFLAGS="$CFLAGS $XFT_CFLAGS"
2950 XFT_LIBS="-lXrender $XFT_LIBS"
2951 LIBS="$XFT_LIBS $LIBS"
2952 AC_CHECK_HEADER(X11/Xft/Xft.h,
2953 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2954 [[#include <X11/X.h>]])
2956 if test "${HAVE_XFT}" = "yes"; then
2957 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2959 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2960 fi # "${HAVE_XFT}" = "yes"
2961 CPPFLAGS=$OLD_CPPFLAGS
2964 fi # "$HAVE_XFT" != no
2965 fi # "x${with_xft}" != "xno"
2967 ## We used to allow building with FreeType and without Xft.
2968 ## However, the ftx font backend driver is not in good shape.
2969 if test "$HAVE_XFT" != "yes"; then
2970 dnl For the "Does Emacs use" message at the end.
2974 dnl Strict linkers fail with
2975 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2976 dnl if -lfreetype is not specified.
2977 dnl The following is needed to set FREETYPE_LIBS.
2978 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2980 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2984 if test "${HAVE_FREETYPE}" = "yes"; then
2985 AC_DEFINE(HAVE_FREETYPE, 1,
2986 [Define to 1 if using the freetype and fontconfig libraries.])
2987 if test "${with_libotf}" != "no"; then
2988 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2989 if test "$HAVE_LIBOTF" = "yes"; then
2990 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2991 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2992 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2993 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2994 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2995 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2996 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3000 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3001 dnl Does the new font backend require it, or can it work without it?
3005 if test "${HAVE_LIBOTF}" = yes; then
3006 if test "${with_m17n_flt}" != "no"; then
3007 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3008 if test "$HAVE_M17N_FLT" = "yes"; then
3009 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3020 ### End of font-backend (under X11) section.
3022 AC_SUBST(FREETYPE_CFLAGS)
3023 AC_SUBST(FREETYPE_LIBS)
3024 AC_SUBST(FONTCONFIG_CFLAGS)
3025 AC_SUBST(FONTCONFIG_LIBS)
3026 AC_SUBST(LIBOTF_CFLAGS)
3027 AC_SUBST(LIBOTF_LIBS)
3028 AC_SUBST(M17N_FLT_CFLAGS)
3029 AC_SUBST(M17N_FLT_LIBS)
3031 ### Use -lXpm if available, unless `--with-xpm=no'.
3032 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3033 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3034 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3035 ### LDFLAGS) accordingly.
3038 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3039 if test "${with_xpm}" != "no"; then
3040 SAVE_CPPFLAGS="$CPPFLAGS"
3041 SAVE_LDFLAGS="$LDFLAGS"
3042 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3043 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3044 AC_CHECK_HEADER(X11/xpm.h,
3045 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3046 if test "${HAVE_XPM}" = "yes"; then
3047 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3048 AC_EGREP_CPP(no_return_alloc_pixels,
3049 [#include "X11/xpm.h"
3050 #ifndef XpmReturnAllocPixels
3051 no_return_alloc_pixels
3053 ], HAVE_XPM=no, HAVE_XPM=yes)
3055 if test "${HAVE_XPM}" = "yes"; then
3056 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3060 CPPFLAGS="$SAVE_CPPFLAGS"
3061 LDFLAGS="$SAVE_LDFLAGS"
3066 if test "${HAVE_XPM}" = "yes"; then
3067 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3072 if test "${HAVE_X11}" = "yes"; then
3073 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3074 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3076 if test "${with_xpm}" != "no"; then
3077 AC_CHECK_HEADER(X11/xpm.h,
3078 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3079 if test "${HAVE_XPM}" = "yes"; then
3080 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3081 AC_EGREP_CPP(no_return_alloc_pixels,
3082 [#include "X11/xpm.h"
3083 #ifndef XpmReturnAllocPixels
3084 no_return_alloc_pixels
3086 ], HAVE_XPM=no, HAVE_XPM=yes)
3088 if test "${HAVE_XPM}" = "yes"; then
3096 if test "${HAVE_XPM}" = "yes"; then
3097 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3099 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3100 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3105 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3106 ### slightly different requirements wrt image libraries (it doesn't
3107 ### use -lXpm because it loads the xpm shared library dynamically at
3109 if test "${opsys}" = "mingw32"; then
3110 if test "${with_xpm}" != "no"; then
3111 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3115 if test "${HAVE_XPM}" = "yes"; then
3116 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3122 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3123 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3126 if test "${opsys}" = "mingw32"; then
3127 if test "${with_jpeg}" != "no"; then
3128 dnl Checking for jpeglib.h can lose because of a redefinition of
3130 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3132 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3133 if test "${HAVE_JPEG}" = "yes"; then
3134 AC_DEFINE(HAVE_JPEG)
3135 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3136 [#include <jpeglib.h>
3137 version=JPEG_LIB_VERSION
3139 [AC_DEFINE(HAVE_JPEG)],
3140 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3143 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3144 if test "${with_jpeg}" != "no"; then
3145 dnl Checking for jpeglib.h can lose because of a redefinition of
3147 AC_CHECK_HEADER(jerror.h,
3148 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3151 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3152 if test "${HAVE_JPEG}" = "yes"; then
3153 AC_DEFINE(HAVE_JPEG)
3154 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3155 [#include <jpeglib.h>
3156 version=JPEG_LIB_VERSION
3158 [AC_DEFINE(HAVE_JPEG)],
3159 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3162 if test "${HAVE_JPEG}" = "yes"; then
3170 if test "${with_zlib}" != "no"; then
3172 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3174 case $ac_cv_search_inflateEnd in
3175 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3178 if test "${HAVE_ZLIB}" = "yes"; then
3179 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3180 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3181 if test "${opsys}" = "mingw32"; then
3187 ### Use -lpng if available, unless `--with-png=no'.
3191 if test "${NS_IMPL_COCOA}" = yes; then
3193 elif test "${with_png}" != no; then
3194 # mingw32 loads the library dynamically.
3195 if test "$opsys" = mingw32; then
3196 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3197 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3198 AC_MSG_CHECKING([for png])
3199 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3200 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3201 # libpng-config does not work; configure by hand.
3202 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3203 # in /usr/include/libpng.
3204 if test -r /usr/include/libpng/png.h &&
3205 test ! -r /usr/include/png.h; then
3206 png_cflags=-I/usr/include/libpng
3214 CFLAGS="$CFLAGS $png_cflags"
3215 LIBS="$png_libs -lz -lm $LIBS"
3217 [AC_LANG_PROGRAM([[#include <png.h>]],
3218 [[return !png_get_channels (0, 0);]])],
3220 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3222 # $LIBPNG requires explicit -lz in some cases.
3223 # We don't know what those cases are, exactly, so play it safe and
3224 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3225 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3226 LIBPNG="$LIBPNG -lz"
3230 AC_MSG_RESULT([$HAVE_PNG])
3233 if test $HAVE_PNG = yes; then
3234 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3237 CFLAGS="$CFLAGS $PNG_CFLAGS"
3238 AC_CHECK_DECL([png_longjmp],
3240 [AC_DEFINE([PNG_DEPSTRUCT], [],
3241 [Define to empty to suppress deprecation warnings when building
3242 with --enable-gcc-warnings and with libpng versions before 1.5,
3243 which lack png_longjmp.])],
3249 AC_SUBST(PNG_CFLAGS)
3251 ### Use -ltiff if available, unless `--with-tiff=no'.
3252 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3255 if test "${opsys}" = "mingw32"; then
3256 if test "${with_tiff}" != "no"; then
3257 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3259 if test "${HAVE_TIFF}" = "yes"; then
3260 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3262 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3263 if test "${with_tiff}" != "no"; then
3264 AC_CHECK_HEADER(tiffio.h,
3266 # At least one tiff package requires the jpeg library.
3267 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3268 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3271 if test "${HAVE_TIFF}" = "yes"; then
3272 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3273 dnl FIXME -lz -lm, as per libpng?
3279 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3280 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3283 if test "${opsys}" = "mingw32"; then
3284 if test "${with_gif}" != "no"; then
3285 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3287 if test "${HAVE_GIF}" = "yes"; then
3288 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3290 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3291 || test "${HAVE_W32}" = "yes"; then
3292 AC_CHECK_HEADER(gif_lib.h,
3293 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3294 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3295 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3296 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3298 if test "$HAVE_GIF" = yes; then
3300 elif test "$HAVE_GIF" = maybe; then
3301 # If gif_lib.h but no libgif, try libungif.
3302 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3303 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3306 if test "${HAVE_GIF}" = "yes"; then
3307 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3312 dnl Check for required libraries.
3313 if test "${HAVE_X11}" = "yes"; then
3316 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3317 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3318 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3319 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3320 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3321 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3322 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3323 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3324 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3325 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3327 if test "X${MISSING}" != X; then
3328 AC_MSG_ERROR([The following required libraries were not found:
3330 Maybe some development libraries/packages are missing?
3331 If you don't want to link with them give
3333 as options to configure])
3337 ### Use -lgpm if available, unless `--with-gpm=no'.
3340 if test "${with_gpm}" != "no"; then
3341 AC_CHECK_HEADER(gpm.h,
3342 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3344 if test "${HAVE_GPM}" = "yes"; then
3345 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3351 dnl Check for malloc/malloc.h on darwin
3352 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3355 ### Use NeXTstep API to implement GUI.
3356 if test "${HAVE_NS}" = "yes"; then
3357 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3358 if test "${NS_IMPL_COCOA}" = "yes"; then
3359 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3361 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3362 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3363 # See also .m.o rule in Makefile.in */
3364 # FIXME: are all these flags really needed? Document here why. */
3365 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3366 ## Extra CFLAGS applied to src/*.m files.
3367 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3372 ### Use session management (-lSM -lICE) if available
3375 if test "${HAVE_X11}" = "yes"; then
3376 AC_CHECK_HEADER(X11/SM/SMlib.h,
3377 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3379 if test "${HAVE_X_SM}" = "yes"; then
3380 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3386 ### Use XRandr (-lXrandr) if available
3388 if test "${HAVE_X11}" = "yes"; then
3389 XRANDR_REQUIRED=1.2.2
3390 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3391 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3392 if test $HAVE_XRANDR = no; then
3393 # Test old way in case pkg-config doesn't have it (older machines).
3394 # Include Xrender.h by hand to work around bug in older Xrandr.h
3395 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3396 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3397 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3398 [], [AC_INCLUDES_DEFAULT
3399 #include <X11/extensions/Xrender.h>])
3400 if test $HAVE_XRANDR = yes; then
3401 XRANDR_LIBS=-lXrandr
3404 if test $HAVE_XRANDR = yes; then
3405 SAVE_CFLAGS="$CFLAGS"
3407 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3408 LIBS="$XRANDR_LIBS $LIBS"
3409 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3410 CFLAGS="$SAVE_CFLAGS"
3413 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3416 AC_SUBST(XRANDR_CFLAGS)
3417 AC_SUBST(XRANDR_LIBS)
3419 ### Use Xinerama (-lXinerama) if available
3421 if test "${HAVE_X11}" = "yes"; then
3422 XINERAMA_REQUIRED=1.0.2
3423 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3424 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3425 if test $HAVE_XINERAMA = no; then
3426 # Test old way in case pkg-config doesn't have it (older machines).
3427 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3428 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3429 if test $HAVE_XINERAMA = yes; then
3430 XINERAMA_LIBS=-lXinerama
3433 if test $HAVE_XINERAMA = yes; then
3434 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3437 AC_SUBST(XINERAMA_CFLAGS)
3438 AC_SUBST(XINERAMA_LIBS)
3440 ### Use Xfixes (-lXfixes) if available
3442 if test "${HAVE_X11}" = "yes"; then
3443 XFIXES_REQUIRED=4.0.0
3444 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3445 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3446 if test $HAVE_XFIXES = no; then
3447 # Test old way in case pkg-config doesn't have it (older machines).
3448 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3449 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3450 if test $HAVE_XFIXES = yes; then
3451 XFIXES_LIBS=-lXfixes
3454 if test $HAVE_XFIXES = yes; then
3455 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3458 AC_SUBST(XFIXES_CFLAGS)
3459 AC_SUBST(XFIXES_LIBS)
3461 ### Use libxml (-lxml2) if available
3462 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3464 if test "${with_xml2}" != "no"; then
3465 ### I'm not sure what the version number should be, so I just guessed.
3466 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3467 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3468 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3469 SAVE_CPPFLAGS="$CPPFLAGS"
3470 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3471 AC_CHECK_HEADER(libxml/HTMLparser.h,
3472 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3473 [#include <libxml/HTMLparser.h>])])
3474 CPPFLAGS="$SAVE_CPPFLAGS"
3475 if test "${HAVE_LIBXML2}" = "yes"; then
3476 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3477 LIBXML2_LIBS="-lxml2"
3480 if test "${HAVE_LIBXML2}" = "yes"; then
3481 if test "${opsys}" != "mingw32"; then
3482 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3487 if test "${HAVE_LIBXML2}" = "yes"; then
3488 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3495 AC_SUBST(LIBXML2_LIBS)
3496 AC_SUBST(LIBXML2_CFLAGS)
3498 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3499 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3500 if test "${opsys}" = "mingw32"; then
3501 emacs_cv_netdb_declares_h_errno=yes
3503 AC_CACHE_CHECK(whether netdb declares h_errno,
3504 emacs_cv_netdb_declares_h_errno,
3505 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3506 [[return h_errno;]])],
3507 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3508 if test $emacs_cv_netdb_declares_h_errno = yes; then
3509 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3512 # Check for mail-locking functions in a "mail" library. Probably this should
3513 # have the same check as for liblockfile below.
3514 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3515 if test $have_mail = yes; then
3517 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3520 LIBS="$LIBS_MAIL $LIBS"
3521 AC_CHECK_FUNCS(touchlock)
3526 dnl Debian, at least:
3527 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3528 if test $have_lockfile = yes; then
3529 LIBS_MAIL=-llockfile
3530 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3532 # If we have the shared liblockfile, assume we must use it for mail
3533 # locking (e.g. Debian). If we couldn't link against liblockfile
3534 # (no liblockfile.a installed), ensure that we don't need to.
3535 dnl This works for files generally, not just executables.
3536 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3537 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3538 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3539 if test $ac_cv_prog_liblockfile = yes; then
3540 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3541 This probably means that movemail could lose mail.
3542 There may be a `development' package to install containing liblockfile.])
3545 AC_CHECK_HEADERS_ONCE(maillock.h)
3548 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3549 ## interlock access to the mail spool. The alternative is a lock file named
3550 ## /usr/spool/mail/$USER.lock.
3553 aix4-2) mail_lock="lockf" ;;
3555 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3557 ## On GNU/Linux systems, both methods are used by various mail programs.
3558 ## I assume most people are using newer mailers that have heard of flock.
3559 ## Change this if you need to.
3560 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3561 ## configure gets the right answers, and that means *NOT* using flock.
3562 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3563 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3564 ## Debian maintainer hasn't provided a clean fix for Emacs.
3565 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3566 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3567 ## correct logic. -- fx
3568 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3569 ## liblockfile is a Free Software replacement for libmail, used on
3570 ## Debian systems and elsewhere. -rfr.
3573 if test $have_mail = yes || test $have_lockfile = yes; then
3574 test $ac_cv_header_maillock_h = yes && mail_lock=no
3579 mail_lock="none-needed" ;;
3583 case "$mail_lock" in
3584 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3586 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3590 *) BLESSMAIL_TARGET="need-blessmail" ;;
3592 AC_SUBST(BLESSMAIL_TARGET)
3595 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3596 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3597 getrusage get_current_dir_name \
3598 lrand48 random rint \
3599 select getpagesize setlocale newlocale \
3600 getrlimit setrlimit shutdown getaddrinfo \
3601 pthread_sigmask strsignal setitimer \
3602 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3604 getpwent endpwent getgrent endgrent \
3605 cfmakeraw cfsetspeed copysign __executable_start log2)
3608 dnl No need to check for aligned_alloc and posix_memalign if using
3609 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3610 dnl Don't use these functions on Darwin as they are incompatible with
3612 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3613 && test "$opsys" != darwin; then
3614 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3617 dnl Cannot use AC_CHECK_FUNCS
3618 AC_CACHE_CHECK([for __builtin_unwind_init],
3619 emacs_cv_func___builtin_unwind_init,
3620 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3621 emacs_cv_func___builtin_unwind_init=yes,
3622 emacs_cv_func___builtin_unwind_init=no)])
3623 if test $emacs_cv_func___builtin_unwind_init = yes; then
3624 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3625 [Define to 1 if you have the `__builtin_unwind_init' function.])
3628 AC_CHECK_HEADERS_ONCE(sys/un.h)
3633 AC_CHECK_FUNCS(grantpt)
3635 # PTY-related GNU extensions.
3636 AC_CHECK_FUNCS(getpt posix_openpt)
3638 # Check this now, so that we will NOT find the above functions in ncurses.
3639 # That is because we have not set up to link ncurses in lib-src.
3640 # It's better to believe a function is not available
3641 # than to expect to find it in ncurses.
3642 # Also we need tputs and friends to be able to build at all.
3643 AC_MSG_CHECKING([for library containing tputs])
3644 # Run a test program that contains a call to tputs, a call that is
3645 # never executed. This tests whether a pre-'main' dynamic linker
3646 # works with the library. It's too much trouble to actually call
3647 # tputs in the test program, due to portability hassles. When
3648 # cross-compiling, assume the test program will run if it links.
3649 AC_DEFUN([tputs_link_source], [
3651 [[extern void tputs (const char *, int, int (*)(int));
3652 int main (int argc, char **argv)
3655 tputs (argv[0], 0, 0);
3659 if test "${opsys}" = "mingw32"; then
3662 # Maybe curses should be tried earlier?
3663 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3664 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3666 if test -z "$tputs_library"; then
3670 LIBS_TERMCAP=-l$tputs_library
3672 LIBS="$LIBS_TERMCAP $LIBS"
3674 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3675 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3677 if test "X$msg" != Xno; then
3682 AC_MSG_RESULT([$msg])
3683 if test "X$msg" = Xno; then
3684 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3685 The following libraries were tried (in order):
3686 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3687 Please try installing whichever of these libraries is most appropriate
3688 for your system, together with its header files.
3689 For example, a libncurses-dev(el) or similar package.])
3692 ## Use termcap instead of terminfo?
3693 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3695 ## FIXME? In the cases below where we unconditionally set
3696 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3697 ## if that was found above to have tputs.
3698 ## Should we use the gnu* logic everywhere?
3700 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3701 ## The ncurses library has been moved out of the System framework in
3702 ## Mac OS X 10.2. So if configure detects it, set the command-line
3703 ## option to use it.
3704 darwin) LIBS_TERMCAP="-lncurses" ;;
3706 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3709 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3710 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3711 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3712 [[#if __FreeBSD_version < 400000
3715 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3717 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3719 if test $emacs_cv_freebsd_terminfo = yes; then
3720 LIBS_TERMCAP="-lncurses"
3723 LIBS_TERMCAP="-ltermcap"
3733 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3735 LIBS_TERMCAP="-ltermcap"
3739 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3741 ## hpux: Make sure we get select from libc rather than from libcurses
3742 ## because libcurses on HPUX 10.10 has a broken version of select.
3743 ## We used to use -lc -lcurses, but this may be cleaner.
3744 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3745 # set that way, now it uses the default). Isn't this a contradiction?
3746 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3750 TERMCAP_OBJ=tparam.o
3751 if test $TERMINFO = yes; then
3752 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3753 TERMCAP_OBJ=terminfo.o
3755 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3756 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3758 AC_SUBST(LIBS_TERMCAP)
3759 AC_SUBST(TERMCAP_OBJ)
3761 # GNU/Linux-specific timer functions.
3762 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3764 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3766 [[timerfd_create (CLOCK_REALTIME,
3767 TFD_CLOEXEC | TFD_NONBLOCK);
3768 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3769 [emacs_cv_have_timerfd=yes],
3770 [emacs_cv_have_timerfd=no])])
3771 if test "$emacs_cv_have_timerfd" = yes; then
3772 AC_DEFINE([HAVE_TIMERFD], 1,
3773 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3776 # Alternate stack for signal handlers.
3777 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3778 [emacs_cv_alternate_stack],
3780 [AC_LANG_PROGRAM([[#include <signal.h>
3783 struct sigaction sa;
3784 ss.ss_sp = malloc (SIGSTKSZ);
3785 ss.ss_size = SIGSTKSZ;
3786 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3787 sigaltstack (&ss, 0);
3788 sigaction (SIGSEGV, &sa, 0);]])],
3789 [emacs_cv_alternate_stack=yes],
3790 [emacs_cv_alternate_stack=no])])
3792 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3793 # On Darwin, res_init appears not to be useful: see bug#562 and
3794 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3797 if test $opsys != darwin; then
3799 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3800 #include <arpa/nameser.h>
3801 #include <resolv.h>]],
3802 [[return res_init();]])],
3803 have_res_init=yes, have_res_init=no)
3804 if test "$have_res_init" = no; then
3806 LIBS="$LIBS -lresolv"
3807 AC_MSG_CHECKING(for res_init with -lresolv)
3808 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3809 #include <arpa/nameser.h>
3810 #include <resolv.h>]],
3811 [[return res_init();]])],
3812 have_res_init=yes, have_res_init=no)
3813 AC_MSG_RESULT($have_res_init)
3814 if test "$have_res_init" = yes ; then
3820 if test "$have_res_init" = yes; then
3821 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3825 # Do we need the Hesiod library to provide the support routines?
3826 dnl FIXME? Should we be skipping this on Darwin too?
3828 if test "$with_hesiod" != no ; then
3829 # Don't set $LIBS here -- see comments above. FIXME which comments?
3830 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3831 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3832 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3833 if test "$resolv" = yes ; then
3838 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3839 hesiod=yes, :, $RESOLVLIB)])
3841 if test x"$hesiod" = xyes; then
3847 # Do we need libresolv (due to res_init or Hesiod)?
3848 if test "$resolv" = yes && test $opsys != darwin; then
3855 # These tell us which Kerberos-related libraries to use.
3862 if test "${with_kerberos}" != no; then
3864 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3865 if test $have_com_err = yes; then
3866 COM_ERRLIB=-lcom_err
3867 LIBS="$COM_ERRLIB $LIBS"
3869 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3870 if test $have_crypto = yes; then
3872 LIBS="$CRYPTOLIB $LIBS"
3874 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3875 if test $have_k5crypto = yes; then
3876 CRYPTOLIB=-lk5crypto
3877 LIBS="$CRYPTOLIB $LIBS"
3879 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3880 if test $have_krb5=yes; then
3882 LIBS="$KRB5LIB $LIBS"
3884 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3885 if test "${with_kerberos5}" = no; then
3886 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3887 if test $have_des425 = yes; then
3889 LIBS="$DESLIB $LIBS"
3891 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3892 if test $have_des = yes; then
3894 LIBS="$DESLIB $LIBS"
3897 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3898 if test $have_krb4 = yes; then
3900 LIBS="$KRB4LIB $LIBS"
3902 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3903 if test $have_krb = yes; then
3905 LIBS="$KRB4LIB $LIBS"
3910 if test "${with_kerberos5}" != no; then
3911 AC_CHECK_HEADERS(krb5.h,
3912 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3913 [#include <krb5.h>])])
3915 AC_CHECK_HEADERS(krb.h,,
3916 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3917 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3919 AC_CHECK_HEADERS(com_err.h)
3923 AC_SUBST(COM_ERRLIB)
3929 AC_CHECK_HEADERS(valgrind/valgrind.h)
3931 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3934 AC_CHECK_FUNC(socket, , ok_so_far=no)
3935 if test $ok_so_far = yes; then
3936 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3938 if test $ok_so_far = yes; then
3939 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3941 if test $ok_so_far = yes; then
3942 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3943 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3944 [Define to 1 if you have inet sockets.])
3949 AC_CHECK_FUNCS(snprintf)
3951 dnl Check for glib. This differs from other library checks in that
3952 dnl Emacs need not link to glib unless some other library is already
3953 dnl linking to glib. Although glib provides no facilities that Emacs
3954 dnl needs for its own purposes, when glib is present Emacs needs to
3955 dnl use primitives like g_main_context_query to avoid clashing with
3956 dnl glib at a low level.
3958 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3962 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3963 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3964 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3965 LIBS="$LIBS $GFILENOTIFY_LIBS"
3966 AC_MSG_CHECKING([whether GLib is linked in])
3967 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3970 [[g_print ("Hello world");]])],
3973 AC_MSG_RESULT([$links_glib])
3974 if test "${links_glib}" = "yes"; then
3975 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3976 if test "$HAVE_NS" = no;then
3984 dnl Adapted from Haible's version.
3985 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3986 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3987 [[char* cs = nl_langinfo(CODESET);]])],
3988 emacs_cv_langinfo_codeset=yes,
3989 emacs_cv_langinfo_codeset=no)
3991 if test $emacs_cv_langinfo_codeset = yes; then
3992 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3993 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3998 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3999 dnl how the tty code is related to POSIX and/or other versions of termios.
4000 dnl The following looks like a useful start.
4002 dnl AC_SYS_POSIX_TERMIOS
4003 dnl if test $ac_cv_sys_posix_termios = yes; then
4004 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4005 dnl and macros for terminal control.])
4006 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4009 dnl Turned on June 1996 supposing nobody will mind it.
4010 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4011 if test "${opsys}" != "mingw32"; then
4012 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4013 in the full name stands for the login id.])
4016 dnl Everybody supports this, except MS.
4017 dnl Seems like the kind of thing we should be testing for, though.
4018 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4019 if test "${opsys}" != "mingw32"; then
4020 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4023 dnl Everybody supports this, except MS-DOS.
4024 dnl Seems like the kind of thing we should be testing for, though.
4025 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4026 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4027 4.2-compatible sockets.])
4029 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4031 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4032 a null file, or a data sink.])
4033 if test "${opsys}" = "mingw32"; then
4034 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4036 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4039 if test "${opsys}" = "mingw32"; then
4044 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4045 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4046 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4047 dnl decides that a command-line argument to be passed to a MinGW program
4048 dnl is a PATH-style list of directories. But that heuristics plays it
4049 dnl safe, and only does the replacement when it is _absolutely_ sure it
4050 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4051 dnl which breaks in-tree builds. So we do this manually instead.
4052 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4053 dnl be computed as ':' in MSYS Bash.
4056 dnl Everybody supports this, except MS-DOS.
4057 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4059 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4062 AC_DEFINE(DIRECTORY_SEP, ['/'],
4063 [Character that separates directories in a file name.])
4065 if test "${opsys}" = "mingw32"; then
4066 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4067 [Returns true if character is a device separator.])
4069 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4070 [Returns true if character is a directory separator.])
4072 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4073 [Returns true if character is any form of separator.])
4075 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4076 [Returns true if character is a device separator.])
4078 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4079 [Returns true if character is a directory separator.])
4081 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4082 [Returns true if character is any form of separator.])
4085 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4089 dnl Unfortunately without libXmu we cannot support EditRes.
4090 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4091 AC_DEFINE(NO_EDITRES, 1)
4096 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4097 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4098 AC_DEFINE(NO_EDITRES, 1)
4104 irix6-5 | sol2* | unixware )
4105 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4106 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4107 dnl need the constant to dimension an array. So wire in the appropriate
4109 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4113 emacs_broken_SIGIO=no
4116 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4117 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4118 hpux* | irix6-5 | openbsd | sol2* | unixware )
4119 emacs_broken_SIGIO=yes
4123 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4124 dnl the way this system works, libc functions that return malloced
4125 dnl memory use the libc malloc implementation. Calling xfree or
4126 dnl xrealloc on the results of such functions results in a crash.
4128 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4129 dnl but that does not currently work on this system.
4131 dnl It is possible to completely override the malloc implementation on
4132 dnl AIX, but that involves putting the malloc functions in a shared
4133 dnl library and setting the MALLOCTYPE environment variable to point to
4134 dnl that shared library.
4136 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4137 dnl to avoid a crash just use the Emacs implementation for that function.
4139 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4140 dnl of this file, so that we do not check for get_current_dir_name
4141 dnl on AIX. But that might be fragile if something else ends
4142 dnl up testing for get_current_dir_name as a dependency.
4143 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4144 get_current_dir_name should not be used.])
4148 dnl Circumvent a bug in FreeBSD. In the following sequence of
4149 dnl writes/reads on a PTY, read(2) returns bogus data:
4151 dnl write(2) 1022 bytes
4152 dnl write(2) 954 bytes, get EAGAIN
4153 dnl read(2) 1024 bytes in process_read_output
4154 dnl read(2) 11 bytes in process_read_output
4156 dnl That is, read(2) returns more bytes than have ever been written
4157 dnl successfully. The 1033 bytes read are the 1022 bytes written
4158 dnl successfully after processing (for example with CRs added if the
4159 dnl terminal is set up that way which it is here). The same bytes will
4160 dnl be seen again in a later read(2), without the CRs.
4161 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4162 work around an issue when reading from a PTY.])
4168 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4169 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4174 darwin | dragonfly | freebsd | netbsd | openbsd )
4175 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4176 close a pty to make it a controlling terminal (it is already a
4177 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4181 dnl FIXME Surely we can test for this rather than hard-code it.
4183 netbsd | openbsd) sound_device="/dev/audio" ;;
4184 *) sound_device="/dev/dsp" ;;
4188 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4189 [Name of the default sound device.])
4192 dnl Emacs can read input using SIGIO and buffering characters itself,
4193 dnl or using CBREAK mode and making C-g cause SIGINT.
4194 dnl The choice is controlled by the variable interrupt_input.
4196 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4198 dnl Emacs uses the presence of the USABLE_SIGIO macro
4199 dnl to indicate whether or not signal-driven I/O is possible. It uses
4200 dnl INTERRUPT_INPUT to decide whether to use it by default.
4202 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4203 dnl CBREAK mode has two disadvantages
4204 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4205 dnl I hear that in system V this problem does not exist.
4206 dnl 2) Control-G causes output to be discarded.
4207 dnl I do not know whether this can be fixed in system V.
4209 dnl Another method of doing input is planned but not implemented.
4210 dnl It would have Emacs fork off a separate process
4211 dnl to read the input and send it to the true Emacs process
4214 darwin | gnu-linux | gnu-kfreebsd )
4215 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4220 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4221 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4222 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4223 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4224 dnl taking float or double parameters.
4226 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4227 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4228 file defines `NeedWidePrototypes' as `NO'.])
4233 dnl Used in process.c, this must be a loop, even if it only runs once.
4234 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4235 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4236 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4237 dnl trying suffixes 0-16.
4238 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4239 first PTY, if PTYs are supported.])
4240 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4241 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4242 end of a PTY, if non-standard.])
4243 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4244 end of a PTY, if non-standard.])
4248 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4249 dnl You allocate a pty by opening /dev/ptc to get the master side.
4250 dnl To get the name of the slave side, you just ttyname() the master side.
4251 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4252 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4256 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4257 dnl multi-line AC_DEFINEs are hard. :(
4258 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)])
4259 AC_DEFINE(PTY_NAME_SPRINTF, [])
4260 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4263 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4265 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4266 dnl Not used, because PTY_ITERATION is defined.
4267 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4268 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4269 dnl But we don't have to block SIGCHLD because it is blocked in the
4270 dnl implementation of grantpt.
4271 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4272 AC_DEFINE(PTY_NAME_SPRINTF, [])
4273 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4277 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4280 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4282 if test "x$ac_cv_func_grantpt" = xyes; then
4283 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4284 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4285 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4286 dnl to prevent sigchld_handler from intercepting the child's death.
4287 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); }])
4288 dnl if HAVE_POSIX_OPENPT
4289 if test "x$ac_cv_func_posix_openpt" = xyes; then
4290 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4291 AC_DEFINE(PTY_NAME_SPRINTF, [])
4293 elif test "x$ac_cv_func_getpt" = xyes; then
4294 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4295 AC_DEFINE(PTY_NAME_SPRINTF, [])
4297 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4300 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4305 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4306 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4307 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4311 dnl It looks like this cannot be right, because it is not a loop.
4312 dnl However, process.c actually does this:
4318 dnl which presumably makes it OK, since irix == sgi (?).
4319 dnl FIXME it seems like this special treatment is unnecessary?
4320 dnl Why can't irix use a single-trip loop like eg cygwin?
4321 AC_DEFINE(PTY_ITERATION, [])
4322 dnl Not used, because PTY_ITERATION is defined.
4323 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4324 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); }])
4325 dnl No need to get the pty name at all.
4326 AC_DEFINE(PTY_NAME_SPRINTF, [])
4327 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4328 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4332 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4333 dnl from intercepting that death. If any child but grantpt's should die
4334 dnl within, it should be caught after sigrelse(2).
4335 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); }])
4339 dnl Comments are as per sol2*.
4340 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); }])
4347 dnl This change means that we don't loop through allocate_pty too
4348 dnl many times in the (rare) event of a failure.
4349 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4350 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4351 dnl Push various streams modules onto a PTY channel. Used in process.c.
4352 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.])
4357 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4358 "typing" a signal character on the pty.])
4361 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4362 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4363 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4364 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4367 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4368 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4369 gnu-linux | gnu-kfreebsd )
4371 AC_MSG_CHECKING([for signals via characters])
4372 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4373 #include <linux/version.h>
4374 #if LINUX_VERSION_CODE < 0x20400
4375 # error "Linux version too old"
4377 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4379 AC_MSG_RESULT([$emacs_signals_via_chars])
4380 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4385 AH_TEMPLATE(TAB3, [Undocumented.])
4388 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4390 gnu | dragonfly | freebsd | netbsd | openbsd )
4391 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4392 AC_DEFINE(TAB3, OXTABS)
4395 gnu-linux | gnu-kfreebsd )
4396 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4400 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4401 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4402 [Mark a secondary stack, like the register stack on the ia64.]), [])
4406 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4407 run_time_remap; for HPUX.])
4412 dnl This won't be used automatically yet. We also need to know, at least,
4413 dnl that the stack is continuous.
4414 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4415 registers relevant for conservative garbage collection in the jmp_buf.])
4419 dnl Not all the architectures are tested, but there are Debian packages
4420 dnl for SCM and/or Guile on them, so the technique must work. See also
4421 dnl comments in alloc.c concerning setjmp and gcc.
4422 dnl Fixme: it's probably safe to just use the GCC conditional below.
4423 gnu-linux | gnu-kfreebsd )
4424 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4425 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4426 || defined __alpha__ || defined __mips__ || defined __s390__ \
4427 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4428 || defined __ia64__ || defined __sh__
4431 # error "setjmp not known to work on this arch"
4433 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4438 if test x$GCC = xyes; then
4439 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4440 AC_DEFINE(GC_SETJMP_WORKS, 1)
4443 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4444 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4445 AC_DEFINE(GC_SETJMP_WORKS, 1)
4450 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4451 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4454 [[#include <setjmp.h>
4456 # define _longjmp longjmp
4461 _longjmp (j, 1);]])],
4462 [emacs_cv_func__setjmp=yes],
4463 [emacs_cv_func__setjmp=no])])
4464 if test $emacs_cv_func__setjmp = yes; then
4465 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4468 # We need to preserve signal mask to handle C stack overflows.
4469 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4472 [[#include <setjmp.h>
4475 if (! sigsetjmp (j, 1))
4476 siglongjmp (j, 1);]])],
4477 [emacs_cv_func_sigsetjmp=yes],
4478 [emacs_cv_func_sigsetjmp=no])])
4479 if test $emacs_cv_func_sigsetjmp = yes; then
4480 AC_DEFINE([HAVE_SIGSETJMP], 1,
4481 [Define to 1 if sigsetjmp and siglongjmp work.])
4484 # We need all of these features to handle C stack overflows.
4485 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4486 "$ac_cv_func_getrlimit" = "yes" -a \
4487 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4488 "$emacs_cv_alternate_stack" = yes; then
4489 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4490 [Define to 1 if C stack overflow can be handled in some cases.])
4495 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4496 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4497 dnl and this is all we need.
4498 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4505 dnl Used in xfaces.c.
4506 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4507 some systems, where it requires time.h.])
4512 dnl Define symbols to identify the version of Unix this is.
4513 dnl Define all the symbols that apply correctly.
4514 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4515 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4516 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4517 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4522 dnl This symbol should be defined on AIX Version 3 ???????
4523 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4525 # error "_AIX not defined"
4527 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4531 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4535 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4536 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4537 dnl distinguish OS X from pure Darwin.
4538 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4541 gnu-linux | gnu-kfreebsd )
4543 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4548 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4553 AC_DEFINE(USG5_4, [])
4554 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4558 AC_DEFINE(DOS_NT, [])
4559 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4560 if test "x$ac_enable_checking" != "x" ; then
4561 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4567 AC_DEFINE(USG5_4, [])
4568 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4573 AC_DEFINE(USG5_4, [])
4577 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4580 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4581 emacs_cv_usable_FIONREAD=no
4585 emacs_cv_usable_FIONREAD=yes
4590 [AC_LANG_PROGRAM([[#include <sys/types.h>
4591 #include <sys/ioctl.h>
4593 # include <sys/filio.h>
4596 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4597 [emacs_cv_usable_FIONREAD=yes],
4598 [emacs_cv_usable_FIONREAD=no])
4601 if test $emacs_cv_usable_FIONREAD = yes; then
4602 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4604 if test $emacs_broken_SIGIO = no; then
4605 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4607 [AC_LANG_PROGRAM([[#include <fcntl.h>
4610 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4611 [emacs_cv_usable_SIGIO=yes],
4612 [emacs_cv_usable_SIGIO=no])],
4613 [emacs_cv_usable_SIGIO=yes],
4614 [emacs_cv_usable_SIGIO=no])
4615 if test $emacs_cv_usable_SIGIO = yes; then
4616 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4623 dnl It works to open the pty's tty in the parent (Emacs), then
4624 dnl close and reopen it in the child.
4625 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4626 works to open a pty's tty in the parent process, then close and
4627 reopen it in the child.])
4631 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4632 use VSUSP instead of VSWTCH.])
4636 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4641 # Set up the CFLAGS for real compilation, so we can substitute it.
4642 CFLAGS="$REAL_CFLAGS"
4643 CPPFLAGS="$REAL_CPPFLAGS"
4646 ## Hack to detect a buggy GCC version.
4647 if test "x$GCC" = xyes \
4648 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4649 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4650 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4651 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4654 version=$PACKAGE_VERSION
4656 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4657 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4658 [Short copyright string for this version of Emacs.])
4661 ### Specify what sort of things we'll be editing into Makefile and config.h.
4662 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4664 AC_SUBST(configuration)
4669 AC_SUBST(exec_prefix)
4672 AC_SUBST(sharedstatedir)
4673 AC_SUBST(libexecdir)
4677 AC_SUBST(standardlisppath)
4678 AC_SUBST(locallisppath)
4680 AC_SUBST(x_default_search_path)
4682 AC_SUBST(archlibdir)
4687 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4688 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4689 ## end of LIBX_BASE, but nothing ever set it.
4690 AC_SUBST(LD_SWITCH_X_SITE)
4691 AC_SUBST(C_SWITCH_X_SITE)
4692 AC_SUBST(GNUSTEP_CFLAGS)
4694 ## Used in lwlib/Makefile.in.
4695 AC_SUBST(X_TOOLKIT_TYPE)
4697 AC_SUBST(ns_appbindir)
4698 AC_SUBST(ns_appresdir)
4700 AC_SUBST(GNU_OBJC_CFLAGS)
4701 AC_SUBST(OTHER_FILES)
4703 if test -n "${term_header}"; then
4704 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4705 [Define to the header for the built-in window system.])
4708 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4709 [Define to the canonical Emacs configuration name.])
4710 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4711 [Define to the options passed to configure.])
4712 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4713 define this to include extra configuration information.])
4717 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4724 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4725 AC_DEFINE(HAVE_X_WINDOWS, 1,
4726 [Define to 1 if you want to use the X window system.])
4728 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4730 if test "$HAVE_XFT" = "yes"; then
4731 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4732 elif test "$HAVE_FREETYPE" = "yes"; then
4733 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4743 if test "${USE_X_TOOLKIT}" != "none" ; then
4745 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4746 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4747 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4748 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4749 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4753 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4754 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4758 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4759 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4760 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4764 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4765 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4768 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4771 AC_SUBST(WIDGET_OBJ)
4774 case "$USE_X_TOOLKIT" in
4775 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4776 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4777 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4779 AC_SUBST(TOOLKIT_LIBW)
4781 if test "${opsys}" != "mingw32"; then
4782 if test "$USE_X_TOOLKIT" = "none"; then
4783 LIBXT_OTHER="\$(LIBXSM)"
4785 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4788 AC_SUBST(LIBXT_OTHER)
4790 if test "${HAVE_X11}" = "yes" ; then
4791 AC_DEFINE(HAVE_X11, 1,
4792 [Define to 1 if you want to use version 11 of X windows.])
4793 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4797 AC_SUBST(LIBX_OTHER)
4799 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4801 elif test "$USE_X_TOOLKIT" = none; then
4802 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4804 LIBXMENU='$(lwlibdir)/liblw.a'
4808 AC_CACHE_CHECK([for struct alignment],
4809 [emacs_cv_struct_alignment],
4811 [AC_LANG_PROGRAM([[#include <stddef.h>
4812 struct __attribute__ ((aligned (8))) s { char c; };
4813 struct t { char c; struct s s; };
4814 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4816 [emacs_cv_struct_alignment=yes],
4817 [emacs_cv_struct_alignment=no])])
4818 if test "$emacs_cv_struct_alignment" = yes; then
4819 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4820 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4821 structure to an N-byte boundary.])
4824 if test "${GNU_MALLOC}" = "yes" ; then
4825 AC_DEFINE(GNU_MALLOC, 1,
4826 [Define to 1 if you want to use the GNU memory allocator.])
4830 if test "${REL_ALLOC}" = "yes" ; then
4831 AC_DEFINE(REL_ALLOC, 1,
4832 [Define REL_ALLOC if you want to use the relocating allocator for
4835 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4837 AC_SUBST(RALLOC_OBJ)
4839 if test "$opsys" = "cygwin"; then
4840 CYGWIN_OBJ="sheap.o cygw32.o"
4841 ## Cygwin differs because of its unexec().
4843 POST_ALLOC_OBJ=lastfile.o
4844 elif test "$opsys" = "mingw32"; then
4847 POST_ALLOC_OBJ=lastfile.o
4850 PRE_ALLOC_OBJ=lastfile.o
4853 AC_SUBST(CYGWIN_OBJ)
4854 AC_SUBST(PRE_ALLOC_OBJ)
4855 AC_SUBST(POST_ALLOC_OBJ)
4857 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4858 dnl verbatim defined above. The tricky name is apropos, as this hack
4859 dnl makes Fortify go sour!
4860 AH_VERBATIM([FORTIFY_SOUR],
4861 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4862 The workaround disables some useful run-time checking, so it
4863 should be conditional to the platforms with the performance bug.
4864 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4865 #if defined __APPLE__ && defined __GNUC__
4866 # ifndef _DONT_USE_CTYPE_INLINE_
4867 # define _DONT_USE_CTYPE_INLINE_
4869 # ifndef _FORTIFY_SOURCE
4870 # define _FORTIFY_SOURCE 0
4875 # If user asks to omit features, disable optional features that gnulib
4876 # might otherwise enable.
4877 if test "$with_features" = no && test "$enable_acl" != yes; then
4881 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4882 # it temporarily reverts them to their pre-pkg-config values,
4883 # because gnulib needs to work with both src (which uses the
4884 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4885 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4886 # and it therefore needs to run in an environment where LIBS does not
4887 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4888 # for some package unrelated to lib-src.
4891 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4892 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4893 gl_ASSERT_NO_GNULIB_POSIXCHECK
4894 gl_ASSERT_NO_GNULIB_TESTS
4899 if test "${opsys}" = "mingw32"; then
4900 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4901 # Remove unneeded switches from the value of CC that goes to Makefiles
4902 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4906 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4908 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4911 ## The -headerpad option tells ld (see man page) to leave room at the
4912 ## end of the header for adding load commands. Needed for dumping.
4913 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4914 ## architecture (where they are 78 bytes each). The actual number of
4915 ## load commands added is not consistent but normally ranges from
4916 ## about 14 to about 34. Setting it high gets us plenty of slop and
4917 ## only costs about 1.5K of wasted binary space.
4918 headerpad_extra=1000
4919 if test "$HAVE_NS" = "yes"; then
4920 libs_nsgui="-framework AppKit"
4921 if test "$NS_IMPL_COCOA" = "yes"; then
4922 libs_nsgui="$libs_nsgui -framework IOKit"
4927 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4929 ## This is here because src/Makefile.in did some extra fiddling around
4930 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4931 ## LD_SWITCH_SYSTEM_TEMACS instead,
4932 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4933 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4936 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4937 ## find X at run-time.
4938 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4939 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4940 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4941 ## had different values in configure (in ac_link) and src/Makefile.in.
4942 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4943 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4946 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4947 case "$canonical" in
4948 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4949 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4953 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4955 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4958 if test x$ac_enable_profiling != x ; then
4960 *freebsd | gnu-linux) ;;
4961 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4965 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4967 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4969 ## Common for all window systems
4970 if test "$window_system" != "none"; then
4971 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4972 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4973 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4976 AC_SUBST(WINDOW_SYSTEM_OBJ)
4978 AH_TOP([/* GNU Emacs site configuration template file.
4980 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
4981 Free Software Foundation, Inc.
4983 This file is part of GNU Emacs.
4985 GNU Emacs is free software: you can redistribute it and/or modify
4986 it under the terms of the GNU General Public License as published by
4987 the Free Software Foundation, either version 3 of the License, or
4988 (at your option) any later version.
4990 GNU Emacs is distributed in the hope that it will be useful,
4991 but WITHOUT ANY WARRANTY; without even the implied warranty of
4992 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4993 GNU General Public License for more details.
4995 You should have received a copy of the GNU General Public License
4996 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4999 /* No code in Emacs #includes config.h twice, but some bits of code
5000 intended to work with other packages as well (like gmalloc.c)
5001 think they can include it as many times as they like. */
5002 #ifndef EMACS_CONFIG_H
5003 #define EMACS_CONFIG_H
5006 AH_BOTTOM([#include <conf_post.h>
5008 #endif /* EMACS_CONFIG_H */
5017 #### Report on what we decided to do.
5018 #### Report GTK as a toolkit, even if it doesn't use Xt.
5019 #### It makes printing result more understandable as using GTK sets
5020 #### toolkit_scroll_bars to yes by default.
5021 if test "${HAVE_GTK}" = "yes"; then
5022 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5025 if test $USE_ACL -ne 0; then
5026 ACL_SUMMARY="yes $LIB_ACL"
5032 Configured for \`${canonical}'.
5034 Where should the build process find the source code? ${srcdir}
5035 What compiler should emacs be built with? ${CC} ${CFLAGS}
5036 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5037 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5038 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5039 What window system should Emacs use? ${window_system}
5040 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5042 if test -n "${x_includes}"; then
5043 echo " Where do we find X Windows header files? ${x_includes}"
5045 echo " Where do we find X Windows header files? Standard dirs"
5047 if test -n "${x_libraries}"; then
5048 echo " Where do we find X Windows libraries? ${x_libraries}"
5050 echo " Where do we find X Windows libraries? Standard dirs"
5054 emacs_config_features=
5055 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5056 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5060 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5061 *) eval val=\${HAVE_$opt} ;;
5063 test x"$val" = xno && continue
5064 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5067 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5068 [Summary of some of the main features enabled by configure.])
5070 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5071 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5072 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5073 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5074 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5075 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5076 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5077 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5079 echo " Does Emacs support sound? ${HAVE_SOUND}"
5081 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5082 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5083 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5084 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5085 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5086 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5087 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5088 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5089 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5091 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5092 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5093 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5094 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5095 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5097 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5100 if test -n "${EMACSDATA}"; then
5101 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5103 if test -n "${EMACSDOC}"; then
5104 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5109 if test "$HAVE_NS" = "yes"; then
5111 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5112 The installed application will go to nextstep/Emacs.app and can be
5113 run or moved from there."
5114 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5115 echo "The application will be fully self-contained."
5117 echo "The lisp resources for the application will be installed under ${prefix}.
5118 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5119 to run if these resources are not installed."
5124 if test "${opsys}" = "cygwin"; then
5126 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5132 # Remove any trailing slashes in these variables.
5133 [test "${prefix}" != NONE &&
5134 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5135 test "${exec_prefix}" != NONE &&
5136 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5138 if test "$HAVE_NS" = "yes"; then
5139 if test "$NS_IMPL_GNUSTEP" = yes; then
5140 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5141 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5142 ns_check_file=Resources/Info-gnustep.plist
5144 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5145 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5146 ns_check_file=Contents/Info.plist
5148 AC_SUBST(ns_check_file)
5151 dnl config.status treats $srcdir specially, so I think this is ok...
5152 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5154 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5155 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5156 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5157 dnl (else you get "no `Makefile.am' found for any configure output").
5158 dnl This will work, but you get a config.status that is not quite right
5159 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5160 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5161 dnl it seems better to just live with the duplication.
5162 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5164 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5165 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5166 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5167 leim/Makefile nextstep/Makefile nt/Makefile])
5169 dnl test/ is not present in release tarfiles.
5170 opt_makefile=test/automated/Makefile
5172 if test -f "$srcdir/$opt_makefile.in"; then
5173 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5174 dnl Again, it's best not to use a variable. Though you can add
5175 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5176 AC_CONFIG_FILES([test/automated/Makefile])
5180 dnl The admin/ directory used to be excluded from tarfiles.
5181 if test -d $srcdir/admin; then
5182 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5183 AC_CONFIG_FILES([admin/unidata/Makefile])
5184 AC_CONFIG_FILES([admin/grammars/Makefile])
5188 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5190 AC_SUBST(SUBDIR_MAKEFILES_IN)
5192 dnl You might wonder (I did) why epaths.h is generated by running make,
5193 dnl rather than just letting configure generate it from epaths.in.
5194 dnl One reason is that the various paths are not fully expanded (see above);
5195 dnl eg gamedir=${prefix}/var/games/emacs.
5196 dnl Secondly, the GNU Coding standards require that one should be able
5197 dnl to run `make prefix=/some/where/else' and override the values set
5198 dnl by configure. This also explains the `move-if-change' test and
5199 dnl the use of force in the `epaths-force' rule in Makefile.in.
5200 AC_CONFIG_COMMANDS([src/epaths.h], [
5201 if test "${opsys}" = "mingw32"; then
5202 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5204 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5205 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5206 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5208 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5209 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5211 AC_CONFIG_COMMANDS([src/.gdbinit], [
5212 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5213 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5217 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5218 dnl See comments for etc-refcards-emacsver.tex.
5219 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5220 dnl it is not quite the same. But we are generating in $srcdir.
5221 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5222 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5223 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5226 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5227 dnl then a directory etc/refcards is created in the build directory,
5228 dnl which is probably harmless, but confusing (in out-of-tree builds).
5229 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5230 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5231 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5232 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5233 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5238 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])