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-pure functions such as CHECK_TYPE make this
896 # option problematic.
897 nw="$nw -Wsuggest-attribute=pure"
899 # This part is merely for shortening the command line,
900 # since -Wno-FOO needs to be added below regardless.
901 nw="$nw -Wmissing-field-initializers"
903 nw="$nw -Wtype-limits"
904 nw="$nw -Wunused-parameter"
906 if test $emacs_cv_clang = yes; then
907 nw="$nw -Wcast-align"
910 gl_MANYWARN_ALL_GCC([ws])
911 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
915 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
916 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
917 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
918 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
919 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
920 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
921 gl_WARN_ADD([-Wno-format-nonliteral])
923 # More things that clang is unduly picky about.
924 if test $emacs_cv_clang = yes; then
925 gl_WARN_ADD([-Wno-format-extra-args])
926 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
927 gl_WARN_ADD([-Wno-unused-command-line-argument])
928 gl_WARN_ADD([-Wno-unused-value])
931 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
932 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
933 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
934 [/* Enable compile-time and run-time bounds-checking, and some warnings,
935 without upsetting glibc 2.15+. */
936 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
937 && defined __OPTIMIZE__ && __OPTIMIZE__)
938 # define _FORTIFY_SOURCE 2
942 # We use a slightly smaller set of warning options for lib/.
943 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
945 nw="$nw -Wunused-macros"
947 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
948 AC_SUBST([GNULIB_WARN_CFLAGS])
958 AC_ARG_ENABLE(link-time-optimization,
959 [AS_HELP_STRING([--enable-link-time-optimization],
960 [build emacs with link-time optimization.
961 This requires GCC 4.5.0 or later, or clang.
962 (Note that clang support is experimental - see INSTALL.)
963 It also makes Emacs harder to debug, and when we tried it
964 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
965 recommended for typical use.])],
966 if test "${enableval}" != "no"; then
968 if test $emacs_cv_clang = yes; then
969 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
970 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
971 if test -x "$GOLD_PLUGIN"; then
974 elif test x$GCC = xyes; then
975 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
976 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
977 if test x$CPUS != x; then
983 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
985 if test -z "$LTO"; then
989 CFLAGS="$CFLAGS $LTO"
990 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
991 [ac_lto_supported=yes], [ac_lto_supported=no])
994 AC_MSG_RESULT([$ac_lto_supported])
995 if test "$ac_lto_supported" = "yes"; then
996 CFLAGS="$CFLAGS $LTO"
997 if test x$emacs_cv_clang = xyes; then
998 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
999 # WARNING: 'ar --plugin ...' doesn't work without
1000 # command, so plugin name is appended to ARFLAGS.
1001 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1002 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1004 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1005 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1006 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1007 dnl dump core on Fedora 20, so play it safe for now.
1008 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1009 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1014 dnl Prefer silent make output. For verbose output, use
1015 dnl 'configure --disable-silent-rules' or 'make V=1' .
1016 AM_SILENT_RULES([yes])
1017 dnl Port to Automake 1.11.
1018 dnl This section can be removed once we assume Automake 1.14 or later.
1019 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1020 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1022 AM_SUBST_NOTMAKE([AM_V])
1023 AC_SUBST([AM_DEFAULT_V])
1024 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1025 AC_SUBST([AM_DEFAULT_VERBOSITY])
1027 dnl Some other nice autoconf tests.
1028 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1031 dnl if test "x$RANLIB" = x; then
1036 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1037 dnl can be made to directories. This is not relevant for our usage, and
1038 dnl excludes some cases that work fine for us. Eg MS Windows or files
1039 dnl hosted on AFS, both examples where simple links work, but links to
1040 dnl directories fail. We use a cut-down version instead.
1043 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1044 rm -f conf$$ conf$$.file
1046 LN_S_FILEONLY='cp -p'
1048 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1049 dnl random program in the current directory.
1050 if (echo >conf$$.file) 2>/dev/null; then
1051 if ln -s conf$$.file conf$$ 2>/dev/null; then
1052 if test "$opsys" = "mingw32"; then
1053 LN_S_FILEONLY='/bin/ln -s'
1055 LN_S_FILEONLY='ln -s'
1057 elif ln conf$$.file conf$$ 2>/dev/null; then
1058 if test "$opsys" = "mingw32"; then
1059 LN_S_FILEONLY=/bin/ln
1066 rm -f conf$$ conf$$.file
1068 if test "$LN_S_FILEONLY" = "ln -s"; then
1069 AC_MSG_RESULT([yes])
1071 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1074 AC_SUBST(LN_S_FILEONLY)
1077 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1078 dnl doesn't support links to directories, as in "ln file dir". But that
1079 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1080 dnl executables at "make install" time.
1081 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1082 dnl for more details.
1083 if test "$opsys" = "mingw32"; then
1087 dnl On some Debian versions, "install-info" prints irritating messages
1088 dnl "This is not dpkg install-info anymore, but GNU install-info"
1089 dnl if called via an absolute file name.
1090 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1091 dnl Sadly some people may have an old ginstall-info installed on
1092 dnl non-Debian systems, so we can't use this.
1093 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1094 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1096 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1097 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1098 dnl Don't use GZIP, which is used by gzip for additional parameters.
1099 AC_PATH_PROG(GZIP_PROG, gzip)
1101 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1102 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1104 if test $opsys = gnu-linux; then
1105 AC_PATH_PROG(PAXCTL, paxctl,,
1106 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1107 if test "X$PAXCTL" != X; then
1108 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1109 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1110 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1111 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1114 if test "${SETFATTR+set}" != set; then
1115 AC_CACHE_CHECK([for setfattr],
1116 [emacs_cv_prog_setfattr],
1118 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1119 emacs_cv_prog_setfattr=yes
1121 emacs_cv_prog_setfattr=no
1123 if test "$emacs_cv_prog_setfattr" = yes; then
1129 AC_SUBST([SETFATTR])
1133 ## Need makeinfo >= 4.7 (?) to build the manuals.
1134 if test "$MAKEINFO" != "no"; then
1135 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1138 case `($MAKEINFO --version) 2>/dev/null` in
1139 *' (GNU texinfo) '4.[[7-9]]* | \
1140 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1141 *' (GNU texinfo) '[[5-9]]* | \
1142 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1147 ## Makeinfo is unusual. For a released Emacs, the manuals are
1148 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1149 ## therefore in the category of "special tools" not normally required, which
1150 ## configure does not have to check for (eg autoconf itself).
1151 ## In a repository checkout on the other hand, the manuals are not included.
1152 ## So makeinfo is a requirement to build from the repository, and configure
1153 ## should test for it as it does for any other build requirement.
1154 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1155 ## with pre-built manuals, from a repository checkout.
1158 if test "$MAKEINFO" = "no"; then
1160 if test "x${with_makeinfo}" = "xno"; then
1162 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1163 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1164 source tree does not seem to have pre-built manuals in the `info' directory.
1165 Either install a suitable version of makeinfo, or re-run configure
1166 with the `--without-makeinfo' option to build without the manuals.] )
1169 AC_SUBST(HAVE_MAKEINFO)
1171 if test $opsys = mingw32; then
1172 DOCMISC_W32=efaq-w32
1176 AC_SUBST(DOCMISC_W32)
1178 dnl Add our options to ac_link now, after it is set up.
1180 if test x$GCC = xyes; then
1181 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1182 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1184 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1185 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1188 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1189 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1190 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1191 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1192 dnl if not built to support GNU ld.
1194 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1195 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1196 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1197 dnl Eg "make LDFLAGS=... all" could run into problems,
1198 dnl http://bugs.debian.org/684788
1199 dnl * unnecessary, since temacs is the only thing that actually needs it.
1200 dnl Indeed this is where it was originally, prior to:
1201 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1202 late_LDFLAGS="$LDFLAGS"
1203 if test x$GCC = xyes; then
1204 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1206 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1209 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1211 AC_MSG_CHECKING([for -znocombreloc])
1212 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1213 [AC_MSG_RESULT(yes)],
1214 LDFLAGS_NOCOMBRELOC=
1215 [AC_MSG_RESULT(no)])
1217 LDFLAGS="$late_LDFLAGS"
1219 AC_CACHE_CHECK([whether addresses are sanitized],
1220 [emacs_cv_sanitize_address],
1223 [[#ifndef __has_feature
1224 #define __has_feature(f) 0
1226 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1228 error "Addresses are not sanitized.";
1231 [emacs_cv_sanitize_address=yes],
1232 [emacs_cv_sanitize_address=no])])
1234 dnl The function dump-emacs will not be defined and temacs will do
1235 dnl (load "loadup") automatically unless told otherwise.
1236 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1238 your-opsys-here) CANNOT_DUMP=yes ;;
1241 if test "$CANNOT_DUMP" = "yes"; then
1242 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1243 elif test "$emacs_cv_sanitize_address" = yes; then
1244 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1247 AC_SUBST(CANNOT_DUMP)
1250 UNEXEC_OBJ=unexelf.o
1252 # MSDOS uses unexcoff.o
1254 UNEXEC_OBJ=unexaix.o
1260 UNEXEC_OBJ=unexmacosx.o
1263 UNEXEC_OBJ=unexhp9k800.o
1266 UNEXEC_OBJ=unexw32.o
1269 # Use the Solaris dldump() function, called from unexsol.c, to dump
1270 # emacs, instead of the generic ELF dump code found in unexelf.c.
1271 # The resulting binary has a complete symbol table, and is better
1272 # for debugging and other observability tools (debuggers, pstack, etc).
1274 # If you encounter a problem using dldump(), please consider sending
1275 # a message to the OpenSolaris tools-linking mailing list:
1276 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1278 # It is likely that dldump() works with older Solaris too, but this has
1279 # not been tested, so for now this change is for Solaris 10 or newer.
1280 UNEXEC_OBJ=unexsol.o
1287 ## Let `ld' find image libs and similar things in /usr/local/lib.
1288 ## The system compiler, GCC, has apparently been modified to not
1289 ## look there, contrary to what a stock GCC would do.
1290 ### It's not our place to do this. See bug#10313#17.
1291 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1296 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1297 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1301 ### It's not our place to do this. See bug#10313#17.
1302 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1307 ## Han Boetes <han@boetes.org> says this is necessary,
1308 ## otherwise Emacs dumps core on elf systems.
1309 LD_SWITCH_SYSTEM="-Z"
1312 AC_SUBST(LD_SWITCH_SYSTEM)
1314 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1316 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1317 ## which has not been defined yet. When this was handled with cpp,
1318 ## it was expanded to null when configure sourced the s/*.h file.
1319 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1320 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1321 ## (or somesuch), but because it is supposed to go at the _front_
1322 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1323 ## Compare with the gnu-linux case below, which added to the end
1324 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1325 ## LD_SWITCH_SYSTEM_TEMACS.
1328 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1335 AC_CHECK_DECL([__ELF__])
1336 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1337 ## With ELF, make sure that all common symbols get allocated to in the
1338 ## data section. Otherwise, the dump of temacs may miss variables in
1339 ## the shared library that have been initialized. For example, with
1340 ## GNU libc, __malloc_initialized would normally be resolved to the
1341 ## shared library's .bss section, which is fatal.
1342 if test "x$GCC" = "xyes"; then
1343 C_SWITCH_MACHINE="-fno-common"
1345 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1348 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1349 dnl albeit under the mistaken assumption that said file
1350 dnl was no longer used.
1351 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1355 AC_SUBST(C_SWITCH_MACHINE)
1357 AC_SUBST(UNEXEC_OBJ)
1360 ## Some programs in src produce warnings saying certain subprograms
1361 ## are too complex and need a MAXMEM value greater than 2000 for
1362 ## additional optimization. --nils@exp-math.uni-essen.de
1363 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1364 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1365 if test "$opsys" = "mingw32"; then
1366 case "$canonical" in
1367 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1368 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1371 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1372 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1373 AC_SUBST(C_SWITCH_SYSTEM)
1378 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1379 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1381 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1383 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1385 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1387 ## Motif needs -lgen.
1388 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1391 AC_SUBST(LIBS_SYSTEM)
1393 ### Make sure subsequent tests use flags consistent with the build flags.
1395 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1396 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1398 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1401 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1402 AC_DEFUN([AC_TYPE_SIZE_T])
1403 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1404 AC_DEFUN([AC_TYPE_UID_T])
1406 # sqrt and other floating-point functions such as fmod and frexp
1407 # are found in -lm on many systems.
1409 AC_SEARCH_LIBS([sqrt], [m])
1410 if test "X$LIBS" = "X$OLD_LIBS"; then
1413 LIB_MATH=$ac_cv_search_sqrt
1417 dnl Current possibilities handled by sed (aix4-2 -> aix,
1418 dnl gnu-linux -> gnu/linux, etc.):
1419 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1420 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1421 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1428 ## Adding -lm confuses the dynamic linker, so omit it.
1431 freebsd | dragonfly )
1432 SYSTEM_TYPE=berkeley-unix
1434 gnu-linux | gnu-kfreebsd )
1436 hpux10-20 | hpux11 )
1440 SYSTEM_TYPE=windows-nt
1442 dnl NB this may be adjusted below.
1444 SYSTEM_TYPE=berkeley-unix
1448 SYSTEM_TYPE=usg-unix-v
1454 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1455 [The type of system you are compiling for; sets `system-type'.])
1458 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1459 pre_PKG_CONFIG_LIBS=$LIBS
1461 PKG_PROG_PKG_CONFIG(0.9.0)
1463 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1464 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1465 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1466 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1467 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1468 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1470 AC_DEFUN([EMACS_CHECK_MODULES],
1471 [PKG_CHECK_MODULES([$1], [$2],
1472 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1473 m4_default([$3], [HAVE_$1=yes])],
1474 [m4_default([$4], [HAVE_$1=no])])])
1477 if test "${with_sound}" != "no"; then
1478 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1479 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1480 have_sound_header=yes, [], [
1482 #define WIN32_LEAN_AND_MEAN
1483 #include <windows.h>
1486 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1487 AC_MSG_ERROR([OSS sound support requested but not found.])
1489 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1490 # Emulation library used on NetBSD.
1491 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1492 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1493 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1494 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1495 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1499 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1501 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1502 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1503 if test $HAVE_ALSA = yes; then
1504 SAVE_CFLAGS="$CFLAGS"
1506 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1507 LIBS="$ALSA_LIBS $LIBS"
1508 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1509 emacs_alsa_normal=yes,
1510 emacs_alsa_normal=no)
1511 if test "$emacs_alsa_normal" != yes; then
1512 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1513 [[snd_lib_error_set_handler (0);]])],
1514 emacs_alsa_subdir=yes,
1515 emacs_alsa_subdir=no)
1516 if test "$emacs_alsa_subdir" != yes; then
1517 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1519 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1522 CFLAGS="$SAVE_CFLAGS"
1524 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1525 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1526 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1527 elif test "${with_sound}" = "alsa"; then
1528 AC_MSG_ERROR([ALSA sound support requested but not found.])
1530 fi dnl with_sound = alsa|yes
1532 dnl Define HAVE_SOUND if we have sound support. We know it works and
1533 dnl compiles only on the specified platforms. For others, it
1534 dnl probably doesn't make sense to try.
1535 dnl FIXME So surely we should bypass this whole section if not using
1536 dnl one of these platforms?
1537 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1539 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1540 dnl Adjust the --with-sound help text if you change this.
1541 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1542 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1548 AC_SUBST(CFLAGS_SOUND)
1551 dnl checks for header files
1552 AC_CHECK_HEADERS_ONCE(
1557 sys/utsname.h pwd.h utmp.h util.h)
1559 AC_MSG_CHECKING(if personality LINUX32 can be set)
1560 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1561 emacs_cv_personality_linux32=yes,
1562 emacs_cv_personality_linux32=no)
1563 AC_MSG_RESULT($emacs_cv_personality_linux32)
1565 if test $emacs_cv_personality_linux32 = yes; then
1566 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1567 [Define to 1 if personality LINUX32 can be set.])
1570 # Note that Solaris has sys/sysinfo.h which defines struct
1571 # sysinfo as well. To make sure that we're using GNU/Linux
1572 # sysinfo, we explicitly set one of its fields.
1573 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1574 AC_MSG_CHECKING([if Linux sysinfo may be used])
1575 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1576 [[struct sysinfo si;
1579 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1580 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1581 if test $emacs_cv_linux_sysinfo = yes; then
1582 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1583 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1584 [[struct sysinfo si; return si.mem_unit]])],
1585 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1586 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1590 dnl On Solaris 8 there's a compilation warning for term.h because
1591 dnl it doesn't define `bool'.
1592 AC_CHECK_HEADERS(term.h, , , -)
1594 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1596 if test $ac_cv_have_decl_sys_siglist != yes; then
1597 # For Tru64, at least:
1598 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1603 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1604 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1605 #if HAVE_SYS_SOCKET_H
1606 #include <sys/socket.h>
1608 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1609 #if HAVE_SYS_SOCKET_H
1610 #include <sys/socket.h>
1612 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1613 #if HAVE_SYS_SOCKET_H
1614 #include <sys/socket.h>
1617 dnl checks for structure members
1618 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1619 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1620 struct ifreq.ifr_addr,
1621 struct ifreq.ifr_addr.sa_len], , ,
1622 [AC_INCLUDES_DEFAULT
1623 #if HAVE_SYS_SOCKET_H
1624 #include <sys/socket.h>
1630 dnl Check for endianness.
1631 dnl AC_C_BIGENDIAN is done by gnulib.
1633 dnl check for Make feature
1638 dnl check if we have GCC and autodepend is on.
1639 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1640 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1641 SAVE_CFLAGS="$CFLAGS"
1642 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1643 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1644 CFLAGS="$SAVE_CFLAGS"
1645 test -f deps.d || ac_enable_autodepend=no
1647 AC_MSG_RESULT([$ac_enable_autodepend])
1648 if test $ac_enable_autodepend = yes; then
1649 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1650 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1651 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1652 deps_frag=autodeps.mk
1655 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1656 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1657 deps_frag=$srcdir/src/$deps_frag
1660 AC_SUBST_FILE(deps_frag)
1661 AC_SUBST_FILE(lwlib_deps_frag)
1662 AC_SUBST_FILE(oldxmenu_deps_frag)
1664 lisp_frag=$srcdir/src/lisp.mk
1665 AC_SUBST_FILE(lisp_frag)
1668 dnl checks for operating system services
1669 AC_SYS_LONG_FILE_NAMES
1671 #### Choose a window system.
1673 ## We leave window_system equal to none if
1674 ## we end up building without one. Any new window system should
1675 ## set window_system to an appropriate value and add objects to
1676 ## window-system-specific substs.
1680 if test "$no_x" != yes; then
1684 LD_SWITCH_X_SITE_RPATH=
1685 if test "${x_libraries}" != NONE; then
1686 if test -n "${x_libraries}"; then
1687 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1688 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1690 x_default_search_path=""
1691 x_search_path=${x_libraries}
1692 if test -z "${x_search_path}"; then
1693 x_search_path=/usr/lib
1695 for x_library in `echo ${x_search_path}: | \
1696 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1698 ${x_library}/X11/%L/%T/%N%C%S:\
1699 ${x_library}/X11/%l/%T/%N%C%S:\
1700 ${x_library}/X11/%T/%N%C%S:\
1701 ${x_library}/X11/%L/%T/%N%S:\
1702 ${x_library}/X11/%l/%T/%N%S:\
1703 ${x_library}/X11/%T/%N%S"
1704 if test x"${x_default_search_path}" = x; then
1705 x_default_search_path=${x_search_path}
1707 x_default_search_path="${x_search_path}:${x_default_search_path}"
1711 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1713 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1714 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1717 if test x"${x_includes}" = x; then
1718 bitmapdir=/usr/include/X11/bitmaps
1720 # accumulate include directories that have X11 bitmap subdirectories
1722 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1723 if test -d "${bmd}/X11/bitmaps"; then
1724 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1726 if test -d "${bmd}/bitmaps"; then
1727 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1730 if test ${bmd_acc} != "dummyval"; then
1731 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1738 tmp_CPPFLAGS="$CPPFLAGS"
1739 tmp_CFLAGS="$CFLAGS"
1740 CPPFLAGS="$CPPFLAGS -x objective-c"
1741 CFLAGS="$CFLAGS -x objective-c"
1744 if test "${with_ns}" != no; then
1745 if test "${opsys}" = darwin; then
1747 ns_appdir=`pwd`/nextstep/Emacs.app
1748 ns_appbindir=${ns_appdir}/Contents/MacOS
1749 ns_appresdir=${ns_appdir}/Contents/Resources
1750 ns_appsrc=Cocoa/Emacs.base
1751 ns_fontfile=macfont.o
1752 elif test -f $GNUSTEP_CONFIG_FILE; then
1754 ns_appdir=`pwd`/nextstep/Emacs.app
1755 ns_appbindir=${ns_appdir}
1756 ns_appresdir=${ns_appdir}/Resources
1757 ns_appsrc=GNUstep/Emacs.base
1758 ns_fontfile=nsfont.o
1759 dnl FIXME sourcing this several times in subshells seems inefficient.
1760 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1761 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1762 dnl I seemed to need these as well with GNUstep-startup 0.25.
1763 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1764 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1765 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1766 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1767 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1768 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1769 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1770 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1771 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1772 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1773 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1774 dnl If they had chosen to either define it or not, we could have
1775 dnl just used AC_CHECK_DECL here.
1776 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1777 emacs_cv_objc_exceptions,
1778 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1779 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1783 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1784 if test $emacs_cv_objc_exceptions = yes; then
1785 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1786 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1787 [Define if GNUstep uses ObjC exceptions.])
1788 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1792 dnl This is only used while we test the NS headers, it gets reset below.
1793 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1795 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1796 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1797 files are missing or cannot be compiled.])])
1800 if test "${NS_IMPL_COCOA}" = "yes"; then
1801 AC_MSG_CHECKING([for OSX 10.6 or newer])
1802 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1804 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1805 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1808 error "OSX 10.6 or newer required";
1812 ns_osx_have_106=yes,
1814 AC_MSG_RESULT([$ns_osx_have_106])
1816 if test $ns_osx_have_106 = no; then
1817 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1822 AC_SUBST(LIBS_GNUSTEP)
1824 INSTALL_ARCH_INDEP_EXTRA=install-etc
1825 ns_self_contained=no
1828 if test "${HAVE_NS}" = yes; then
1829 if test "$with_toolkit_scroll_bars" = "no"; then
1830 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1833 window_system=nextstep
1834 # set up packaging dirs
1835 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1836 ns_self_contained=yes
1837 prefix=${ns_appresdir}
1838 exec_prefix=${ns_appbindir}
1839 dnl This one isn't really used, only archlibdir is.
1840 libexecdir="\${ns_appbindir}/libexec"
1841 archlibdir="\${ns_appbindir}/libexec"
1842 etcdocdir="\${ns_appresdir}/etc"
1843 etcdir="\${ns_appresdir}/etc"
1844 dnl FIXME maybe set datarootdir instead.
1845 dnl That would also get applications, icons, man.
1846 infodir="\${ns_appresdir}/info"
1847 mandir="\${ns_appresdir}/man"
1848 lispdir="\${ns_appresdir}/lisp"
1849 INSTALL_ARCH_INDEP_EXTRA=
1852 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1854 CFLAGS="$tmp_CFLAGS"
1855 CPPFLAGS="$tmp_CPPFLAGS"
1856 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1857 AC_SUBST(ns_self_contained)
1859 AC_SUBST(NS_OBJC_OBJ)
1870 if test "${with_w32}" != no; then
1873 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1874 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1875 cannot be found.])])
1878 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1881 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1886 if test "${opsys}" = "mingw32"; then
1887 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1888 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1889 #include <windows.h>
1890 #include <usp10.h>]],
1891 [[PIMAGE_NT_HEADERS pHeader;
1892 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1893 [emacs_cv_w32api=yes
1896 AC_MSG_RESULT($emacs_cv_w32api)
1897 if test "${emacs_cv_w32api}" = "no"; then
1898 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1909 if test "${HAVE_W32}" = "yes"; then
1910 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1911 AC_CHECK_TOOL(WINDRES, [windres],
1912 [AC_MSG_ERROR([No resource compiler found.])])
1913 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1914 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1915 EMACSRES="emacs.res"
1916 case "$canonical" in
1917 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1918 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1920 dnl Construct something of the form "24,4,0,0" with 4 components.
1921 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1923 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1924 AC_SUBST(comma_version)
1925 AC_SUBST(comma_space_version)
1926 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1927 if test "${opsys}" = "cygwin"; then
1928 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1929 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1930 # Tell the linker that emacs.res is an object (which we compile from
1931 # the rc file), not a linker script.
1932 W32_RES_LINK="-Wl,emacs.res"
1934 UPDATE_MANIFEST=update-game-score.exe.manifest
1935 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1936 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1937 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1938 W32_RES_LINK="\$(EMACSRES)"
1939 CLIENTRES="emacsclient.res"
1940 CLIENTW="emacsclientw\$(EXEEXT)"
1941 FIRSTFILE_OBJ=firstfile.o
1944 LIBS_ECLIENT="-lcomctl32"
1945 LIB_WSOCK32="-lwsock32"
1946 NTLIB="ntlib.$ac_objext"
1947 XARGS_LIMIT="-s 10000"
1953 AC_SUBST(EMACS_MANIFEST)
1954 AC_SUBST(UPDATE_MANIFEST)
1957 AC_SUBST(W32_RES_LINK)
1958 AC_SUBST(FIRSTFILE_OBJ)
1961 AC_SUBST(LIBS_ECLIENT)
1962 AC_SUBST(LIB_WSOCK32)
1964 AC_SUBST(XARGS_LIMIT)
1966 if test "${HAVE_W32}" = "yes"; then
1971 ## $window_system is now set to the window system we will
1974 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1975 # Too many warnings for now.
1977 nw="$nw -Wsuggest-attribute=const"
1978 nw="$nw -Wsuggest-attribute=noreturn"
1979 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1981 gl_WARN_ADD([-Wno-unused-variable])
1982 gl_WARN_ADD([-Wno-unused-but-set-variable])
1983 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1991 case "${window_system}" in
1996 case "${with_x_toolkit}" in
1997 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1998 motif ) USE_X_TOOLKIT=MOTIF ;;
2000 term_header=gtkutil.h
2001 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2002 dnl USE_X_TOOLKIT is set.
2003 USE_X_TOOLKIT=none ;;
2004 gtk2 ) with_gtk2=yes
2005 term_header=gtkutil.h
2006 USE_X_TOOLKIT=none ;;
2007 gtk3 ) with_gtk3=yes
2008 term_header=gtkutil.h
2009 USE_X_TOOLKIT=none ;;
2010 no ) USE_X_TOOLKIT=none ;;
2011 dnl If user did not say whether to use a toolkit, make this decision later:
2012 dnl use the toolkit if we have gtk, or X11R5 or newer.
2013 * ) USE_X_TOOLKIT=maybe ;;
2017 term_header=nsterm.h
2020 term_header=w32term.h
2024 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2025 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2026 if test "$HAVE_XSERVER" = true ||
2027 test -n "$DISPLAY" ||
2028 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2029 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2030 were found. You should install the relevant development files for X
2031 and for the toolkit you want, such as Gtk+ or Motif. Also make
2032 sure you have development files for image handling, i.e.
2033 tiff, gif, jpeg, png and xpm.
2034 If you are sure you want Emacs compiled without X window support, pass
2040 # Does the opsystem file prohibit the use of the GNU malloc?
2041 # Assume not, until told otherwise.
2045 [whether malloc is Doug Lea style],
2046 [emacs_cv_var_doug_lea_malloc],
2047 [emacs_cv_var_doug_lea_malloc=no
2048 dnl Hooks do not work with address sanitization.
2049 if test "$emacs_cv_sanitize_address" != yes; then
2052 [[#include <malloc.h>
2053 static void hook (void) {}]],
2054 [[malloc_set_state (malloc_get_state ());
2055 __after_morecore_hook = hook;
2056 __malloc_initialize_hook = hook;]])],
2057 [emacs_cv_var_doug_lea_malloc=yes])])
2059 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2061 system_malloc=$emacs_cv_sanitize_address
2066 ## darwin ld insists on the use of malloc routines in the System framework.
2067 darwin|mingw32|sol2-10) system_malloc=yes ;;
2068 cygwin) hybrid_malloc=yes;;
2072 if test "${system_malloc}" = "yes"; then
2073 AC_DEFINE([SYSTEM_MALLOC], 1,
2074 [Define to 1 to use the system memory allocator, even if it is not
2078 (The GNU allocators don't work with this system configuration.)"
2080 elif test "$hybrid_malloc" = yes; then
2081 AC_DEFINE(HYBRID_MALLOC, 1,
2082 [Define to use gmalloc before dumping and the system malloc after.])
2084 GNU_MALLOC_reason="only before dumping"
2085 GMALLOC_OBJ=gmalloc.o
2088 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2089 VMLIMIT_OBJ=vm-limit.o
2091 AC_CHECK_HEADERS([sys/vlimit.h])
2092 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2095 [[extern char data_start[]; char ch;]],
2096 [[return data_start < &ch;]])],
2097 [emacs_cv_data_start=yes],
2098 [emacs_cv_data_start=no])])
2099 if test $emacs_cv_data_start = yes; then
2100 AC_DEFINE([HAVE_DATA_START], 1,
2101 [Define to 1 if data_start is the address of the start
2102 of the main data segment.])
2105 AC_SUBST(GMALLOC_OBJ)
2106 AC_SUBST(VMLIMIT_OBJ)
2108 if test "$doug_lea_malloc" = "yes" ; then
2109 if test "$GNU_MALLOC" = yes ; then
2111 (Using Doug Lea's new malloc from the GNU C Library.)"
2113 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2114 [Define to 1 if the system memory allocator is Doug Lea style,
2115 with malloc hooks and malloc_set_state.])
2117 ## Use mmap directly for allocating larger buffers.
2118 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2119 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2120 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2122 mingw32|gnu*) REL_ALLOC=no ;;
2126 if test x"${REL_ALLOC}" = x; then
2127 REL_ALLOC=${GNU_MALLOC}
2130 use_mmap_for_buffers=no
2132 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2136 if test $use_mmap_for_buffers = yes; then
2137 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2141 LIBS="$LIBS_SYSTEM $LIBS"
2143 dnl FIXME replace main with a function we actually want from this library.
2144 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2146 dnl Check for the POSIX thread library.
2148 if test "$opsys" != "mingw32"; then
2149 AC_CHECK_HEADERS_ONCE(pthread.h)
2150 if test "$ac_cv_header_pthread_h"; then
2151 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2152 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2153 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2154 if test "$GMALLOC_OBJ" = gmalloc.o; then
2155 emacs_pthread_function=pthread_atfork
2157 emacs_pthread_function=pthread_kill
2160 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2161 [AC_DEFINE([HAVE_PTHREAD], [1],
2162 [Define to 1 if you have pthread (-lpthread).])
2163 # Some systems optimize for single-threaded programs by default, and
2164 # need special flags to disable these optimizations. For example, the
2165 # definition of 'errno' in <errno.h>.
2168 AC_DEFINE([_REENTRANT], 1,
2169 [Define to 1 if your system requires this in multithreaded code.]);;
2171 AC_DEFINE([_THREAD_SAFE], 1,
2172 [Define to 1 if your system requires this in multithreaded code.]);;
2174 if test "X$LIBS" != "X$OLD_LIBS"; then
2175 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2179 AC_SUBST([LIB_PTHREAD])
2182 dnl Check for need for bigtoc support on IBM AIX
2186 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2188 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2189 *) gdb_cv_bigtoc=-bbigtoc ;;
2192 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2193 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2198 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2199 # is for the tests that follow. We set them back later on.
2201 REAL_CFLAGS="$CFLAGS"
2202 REAL_CPPFLAGS="$CPPFLAGS"
2205 if test "${HAVE_X11}" = "yes"; then
2206 DEFS="$C_SWITCH_X_SITE $DEFS"
2207 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2209 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2210 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2212 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2213 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2214 # but it's more convenient here to set LD_RUN_PATH since this
2215 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2216 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2217 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2221 if test "${opsys}" = "gnu-linux"; then
2222 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2223 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2224 [[XOpenDisplay ("foo");]])],
2225 [xgnu_linux_first_failure=no],
2226 [xgnu_linux_first_failure=yes])
2227 if test "${xgnu_linux_first_failure}" = "yes"; then
2228 OLD_CPPFLAGS="$CPPFLAGS"
2230 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2231 LIBS="$LIBS -b i486-linuxaout"
2232 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2233 [[XOpenDisplay ("foo");]])],
2234 [xgnu_linux_second_failure=no],
2235 [xgnu_linux_second_failure=yes])
2236 if test "${xgnu_linux_second_failure}" = "yes"; then
2237 # If we get the same failure with -b, there is no use adding -b.
2238 # So leave it out. This plays safe.
2241 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2242 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2245 CPPFLAGS=$OLD_CPPFLAGS
2252 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2253 # header files included from there.
2254 AC_MSG_CHECKING(for Xkb)
2255 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2256 #include <X11/XKBlib.h>]],
2257 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2258 emacs_xkb=yes, emacs_xkb=no)
2259 AC_MSG_RESULT($emacs_xkb)
2260 if test $emacs_xkb = yes; then
2261 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2264 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2265 XScreenNumberOfScreen)
2268 if test "${window_system}" = "x11"; then
2269 AC_MSG_CHECKING(X11 version 6)
2270 AC_CACHE_VAL(emacs_cv_x11_version_6,
2271 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2272 [[#if XlibSpecificationRelease < 6
2275 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2276 if test $emacs_cv_x11_version_6 = yes; then
2277 AC_MSG_RESULT(6 or newer)
2278 AC_DEFINE(HAVE_X11R6, 1,
2279 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2280 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2281 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2285 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2286 [Define if you have usable X11R6-style XIM support.])
2290 AC_MSG_RESULT(before 6)
2295 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2297 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2298 if test "${with_rsvg}" != "no"; then
2299 RSVG_REQUIRED=2.11.0
2300 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2302 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2303 AC_SUBST(RSVG_CFLAGS)
2306 if test $HAVE_RSVG = yes; then
2307 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2308 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2309 # Windows loads librsvg dynamically
2310 if test "${opsys}" = "mingw32"; then
2318 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2319 if test "${with_imagemagick}" != "no"; then
2320 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2321 ## 6.8.2 makes Emacs crash; see Bug#13867.
2322 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2323 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2324 AC_SUBST(IMAGEMAGICK_CFLAGS)
2325 AC_SUBST(IMAGEMAGICK_LIBS)
2327 if test $HAVE_IMAGEMAGICK = yes; then
2328 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2331 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2332 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2333 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2343 gtk_term_header=$term_header
2346 if test "${opsys}" != "mingw32"; then
2347 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2350 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2352 dnl Checks for libraries.
2353 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2354 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2355 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2356 AC_MSG_ERROR($GTK_PKG_ERRORS)
2358 if test "$pkg_check_gtk" = "yes"; then
2359 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2360 GTK_OBJ=emacsgtkfixed.o
2361 gtk_term_header=gtkutil.h
2362 USE_GTK_TOOLKIT="GTK3"
2363 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2364 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2365 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2366 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2367 [Define to 1 to disable Glib deprecation warnings.])
2371 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2375 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2378 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2380 dnl Checks for libraries.
2381 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2382 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2383 if test "$pkg_check_gtk" = "no" &&
2384 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2386 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2388 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2395 if test x"$pkg_check_gtk" = xyes; then
2398 CFLAGS="$CFLAGS $GTK_CFLAGS"
2399 LIBS="$GTK_LIBS $LIBS"
2400 dnl Try to compile a simple GTK program.
2401 AC_MSG_CHECKING([whether GTK compiles])
2405 [[/* Check the Gtk and Glib APIs. */
2406 #include <gtk/gtk.h>
2407 #include <glib-object.h>
2409 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2413 GtkSettings *gs = 0;
2414 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2415 strict C prohibits this. Use gtk_main_iteration to test that the
2416 libraries are there. */
2417 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2418 0, 0, 0, G_CALLBACK (callback), 0))
2419 gtk_main_iteration ();
2422 AC_MSG_RESULT([$GTK_COMPILES])
2423 if test "${GTK_COMPILES}" != "yes"; then
2425 if test "$USE_X_TOOLKIT" != "maybe"; then
2426 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2429 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2431 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2432 GTK_OBJ="gtkutil.o $GTK_OBJ"
2433 term_header=$gtk_term_header
2435 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2438 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2439 closing open displays. This is no problem if you just use
2440 one display, but if you use more than one and close one of them
2450 if test "${HAVE_GTK}" = "yes"; then
2452 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2453 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2454 if test "$with_toolkit_scroll_bars" != no; then
2455 with_toolkit_scroll_bars=yes
2458 dnl Check if we have the old file selection dialog declared and
2459 dnl in the link library. In 2.x it may be in the library,
2460 dnl but not declared if deprecated featured has been selected out.
2461 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2462 HAVE_GTK_FILE_SELECTION=no
2463 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2464 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2465 #include <gtk/gtk.h>])
2466 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2467 AC_CHECK_FUNCS(gtk_file_selection_new)
2470 dnl Same as above for gtk_handle_box.
2471 HAVE_GTK_HANDLE_BOX=no
2472 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2473 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2474 #include <gtk/gtk.h>])
2475 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2476 AC_CHECK_FUNCS(gtk_handle_box_new)
2479 dnl Same as above for gtk_tearoff_menu_item.
2480 HAVE_GTK_TEAROFF_MENU_ITEM=no
2481 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2482 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2483 #include <gtk/gtk.h>])
2484 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2485 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2488 dnl Check for functions introduced in 2.14 and later.
2489 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2490 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2491 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2492 gtk_orientable_set_orientation \
2493 gtk_window_set_has_resize_grip)
2495 term_header=gtkutil.h
2501 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2502 dnl other platforms.
2505 if test "${with_dbus}" = "yes"; then
2506 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2507 if test "$HAVE_DBUS" = yes; then
2508 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2509 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2510 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2513 LIBS="$LIBS $DBUS_LIBS"
2514 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2515 dbus_type_is_valid \
2516 dbus_validate_bus_name \
2517 dbus_validate_path \
2518 dbus_validate_interface \
2519 dbus_validate_member)
2524 AC_SUBST(DBUS_CFLAGS)
2528 dnl GSettings has been tested under GNU/Linux only.
2530 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2531 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2532 if test "$HAVE_GSETTINGS" = "yes"; then
2534 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2536 LIBS="$LIBS $GSETTINGS_LIBS"
2537 AC_MSG_CHECKING([whether GSettings is in gio])
2540 [[/* Check that gsettings really is present. */
2541 #include <glib-object.h>
2542 #include <gio/gio.h>
2545 GSettings *settings;
2546 GVariant *val = g_settings_get_value (settings, "");
2548 [], HAVE_GSETTINGS=no)
2549 AC_MSG_RESULT([$HAVE_GSETTINGS])
2551 if test "$HAVE_GSETTINGS" = "yes"; then
2552 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2553 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2554 SETTINGS_LIBS="$GSETTINGS_LIBS"
2561 dnl GConf has been tested under GNU/Linux only.
2562 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2564 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2565 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2566 if test "$HAVE_GCONF" = yes; then
2567 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2568 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2569 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2570 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2574 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2575 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2576 if test "$HAVE_GOBJECT" = "yes"; then
2577 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2578 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2580 SAVE_CFLAGS="$CFLAGS"
2582 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2583 LIBS="$SETTINGS_LIBS $LIBS"
2584 CFLAGS="$SAVE_CFLAGS"
2587 AC_SUBST(SETTINGS_CFLAGS)
2588 AC_SUBST(SETTINGS_LIBS)
2591 dnl SELinux is available for GNU/Linux only.
2594 if test "${with_selinux}" = "yes"; then
2595 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2596 if test "$HAVE_LIBSELINUX" = yes; then
2597 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2598 LIBSELINUX_LIBS=-lselinux
2601 AC_SUBST(LIBSELINUX_LIBS)
2604 if test "${with_gnutls}" = "yes" ; then
2605 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2606 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2607 if test "${HAVE_GNUTLS}" = "yes"; then
2608 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2609 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2610 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2613 # Windows loads GnuTLS dynamically
2614 if test "${opsys}" = "mingw32"; then
2619 AC_SUBST(LIBGNUTLS_LIBS)
2620 AC_SUBST(LIBGNUTLS_CFLAGS)
2625 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2626 dnl a particular library. This doesn't make much sense?
2627 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2628 with_file_notification=no
2631 dnl MS Windows native file monitor is available for mingw32 only.
2632 case $with_file_notification,$opsys in
2633 w32,* | yes,mingw32)
2634 AC_CHECK_HEADER(windows.h)
2635 if test "$ac_cv_header_windows_h" = yes ; then
2636 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2637 NOTIFY_OBJ=w32notify.o
2638 NOTIFY_SUMMARY="yes (w32)"
2642 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2643 dnl has been added in glib 2.24. It has been tested under
2644 dnl GNU/Linux only. We take precedence over inotify, but this makes
2645 dnl only sense when glib has been compiled with inotify support. How
2647 case $with_file_notification,$NOTIFY_OBJ in
2649 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2650 if test "$HAVE_GFILENOTIFY" = "yes"; then
2651 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2652 NOTIFY_OBJ=gfilenotify.o
2653 NOTIFY_SUMMARY="yes -lgio (gfile)"
2657 dnl inotify is only available on GNU/Linux.
2658 case $with_file_notification,$NOTIFY_OBJ in
2660 AC_CHECK_HEADER(sys/inotify.h)
2661 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2662 AC_CHECK_FUNC(inotify_init1)
2663 if test "$ac_cv_func_inotify_init1" = yes; then
2664 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2665 NOTIFY_OBJ=inotify.o
2666 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2671 case $with_file_notification,$NOTIFY_OBJ in
2672 yes,* | no,* | *,?*) ;;
2673 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2676 if test -n "$NOTIFY_OBJ"; then
2677 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2679 AC_SUBST(NOTIFY_OBJ)
2680 AC_SUBST(GFILENOTIFY_CFLAGS)
2681 AC_SUBST(GFILENOTIFY_LIBS)
2683 dnl Do not put whitespace before the #include statements below.
2684 dnl Older compilers (eg sunos4 cc) choke on it.
2687 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2688 if test "$with_xaw3d" != no; then
2689 AC_CACHE_VAL(emacs_cv_xaw3d,
2690 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2691 #include <X11/Intrinsic.h>
2692 #include <X11/Xaw3d/Simple.h>]],
2694 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2695 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2696 emacs_cv_xaw3d=no)])
2700 if test $emacs_cv_xaw3d = yes; then
2701 AC_MSG_CHECKING(for xaw3d)
2702 AC_MSG_RESULT([yes; using Lucid toolkit])
2706 AC_DEFINE(HAVE_XAW3D, 1,
2707 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2709 AC_MSG_CHECKING(for xaw3d)
2711 AC_MSG_CHECKING(for libXaw)
2712 AC_CACHE_VAL(emacs_cv_xaw,
2713 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2714 #include <X11/Intrinsic.h>
2715 #include <X11/Xaw/Simple.h>]],
2719 if test $emacs_cv_xaw = yes; then
2720 AC_MSG_RESULT([yes; using Lucid toolkit])
2723 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2724 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2726 AC_MSG_ERROR([No X toolkit could be found.
2727 If you are sure you want Emacs compiled without an X toolkit, pass
2729 to configure. Otherwise, install the development libraries for the toolkit
2730 that you want to use (e.g. Gtk+) and re-run configure.])
2735 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2739 if test "${USE_X_TOOLKIT}" != "none"; then
2740 AC_MSG_CHECKING(X11 toolkit version)
2741 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2742 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2743 [[#if XtSpecificationRelease < 6
2746 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2747 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2748 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2749 AC_MSG_RESULT(6 or newer)
2750 AC_DEFINE(HAVE_X11XTR6, 1,
2751 [Define to 1 if you have the X11R6 or newer version of Xt.])
2752 LIBXTR6="-lSM -lICE"
2754 ## Use libw.a along with X11R6 Xt.
2755 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2758 AC_MSG_RESULT(before 6)
2761 dnl If using toolkit, check whether libXmu.a exists.
2762 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2764 if test x$HAVE_X11XTR6 = xyes; then
2765 OTHERLIBS='-lXt -lSM -lICE'
2769 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2770 if test "X$LIBS" != "X$OLDLIBS"; then
2771 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2774 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2780 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2781 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2782 if test -d /usr/include/openmotif; then
2783 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2784 emacs_cv_openmotif=yes
2785 case "$canonical" in
2786 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2787 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2790 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2793 emacs_cv_openmotif=no
2795 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2796 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2797 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2800 Motif version prior to 2.1.
2802 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2803 if test $emacs_cv_motif_version_2_1 = yes; then
2804 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2805 if test x$emacs_cv_openmotif = xyes; then
2806 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2809 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2810 # We put this in CFLAGS temporarily to precede other -I options
2811 # that might be in CFLAGS temporarily.
2812 # We put this in CPPFLAGS where it precedes the other -I options.
2813 OLD_CPPFLAGS=$CPPFLAGS
2815 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2816 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2817 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2819 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2820 if test $emacs_cv_lesstif = yes; then
2821 # Make sure this -I option remains in CPPFLAGS after it is set
2822 # back to REAL_CPPFLAGS.
2823 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2824 # have those other -I options anyway. Ultimately, having this
2825 # directory ultimately in CPPFLAGS will be enough.
2826 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2827 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2830 CPPFLAGS=$OLD_CPPFLAGS
2833 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2834 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2837 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2838 dnl using Motif or Xaw3d is available, and unless
2839 dnl --with-toolkit-scroll-bars=no was specified.
2841 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2842 [Define to 1 if we should use toolkit scroll bars.])dnl
2843 USE_TOOLKIT_SCROLL_BARS=no
2844 if test "${with_toolkit_scroll_bars}" != "no"; then
2845 if test "${USE_X_TOOLKIT}" != "none"; then
2846 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2847 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2849 USE_TOOLKIT_SCROLL_BARS=yes
2850 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2851 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2852 USE_TOOLKIT_SCROLL_BARS=yes
2854 elif test "${HAVE_GTK}" = "yes"; then
2855 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2856 USE_TOOLKIT_SCROLL_BARS=yes
2857 elif test "${HAVE_NS}" = "yes"; then
2858 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2859 USE_TOOLKIT_SCROLL_BARS=yes
2860 elif test "${HAVE_W32}" = "yes"; then
2861 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2862 USE_TOOLKIT_SCROLL_BARS=yes
2866 dnl See if XIM is available.
2867 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2868 #include <X11/Xlib.h>
2869 #include <X11/Xresource.h>]],
2870 [[XIMProc callback;]])],
2872 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2875 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2877 if test "${with_xim}" != "no"; then
2878 AC_DEFINE(USE_XIM, 1,
2879 [Define to 1 if we should use XIM, if it is available.])
2883 if test "${HAVE_XIM}" != "no"; then
2885 if test "$GCC" = yes; then
2886 CFLAGS="$CFLAGS --pedantic-errors"
2888 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2889 #include <X11/Xlib.h>
2890 #include <X11/Xresource.h>]],
2896 XPointer *client_data;
2898 /* If we're not using GCC, it's probably not XFree86, and this is
2899 probably right, but we can't use something like --pedantic-errors. */
2900 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2901 char*, XIMProc, XPointer*);
2903 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2905 [emacs_cv_arg6_star=yes])
2906 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2907 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2908 either XPointer or XPointer*.])dnl
2909 if test "$emacs_cv_arg6_star" = yes; then
2910 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2912 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2917 ### Start of font-backend (under any platform) section.
2918 # (nothing here yet -- this is a placeholder)
2919 ### End of font-backend (under any platform) section.
2921 ### Start of font-backend (under X11) section.
2922 if test "${HAVE_X11}" = "yes"; then
2923 ## Use -lXft if available, unless `--with-xft=no'.
2925 if test "x${with_x}" = "xno"; then
2929 if test "$with_xft" != no; then
2930 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2931 with_xft=$HAVE_FONTCONFIG
2934 if test "x${with_xft}" != "xno"; then
2936 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2937 ## Because xftfont.c uses XRenderQueryExtension, we also
2938 ## need to link to -lXrender.
2940 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2941 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2942 OLD_CPPFLAGS="$CPPFLAGS"
2943 OLD_CFLAGS="$CFLAGS"
2945 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2946 CFLAGS="$CFLAGS $XFT_CFLAGS"
2947 XFT_LIBS="-lXrender $XFT_LIBS"
2948 LIBS="$XFT_LIBS $LIBS"
2949 AC_CHECK_HEADER(X11/Xft/Xft.h,
2950 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2951 [[#include <X11/X.h>]])
2953 if test "${HAVE_XFT}" = "yes"; then
2954 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2956 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2957 fi # "${HAVE_XFT}" = "yes"
2958 CPPFLAGS=$OLD_CPPFLAGS
2961 fi # "$HAVE_XFT" != no
2962 fi # "x${with_xft}" != "xno"
2964 ## We used to allow building with FreeType and without Xft.
2965 ## However, the ftx font backend driver is not in good shape.
2966 if test "$HAVE_XFT" != "yes"; then
2967 dnl For the "Does Emacs use" message at the end.
2971 dnl Strict linkers fail with
2972 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2973 dnl if -lfreetype is not specified.
2974 dnl The following is needed to set FREETYPE_LIBS.
2975 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2977 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2981 if test "${HAVE_FREETYPE}" = "yes"; then
2982 AC_DEFINE(HAVE_FREETYPE, 1,
2983 [Define to 1 if using the freetype and fontconfig libraries.])
2984 if test "${with_libotf}" != "no"; then
2985 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2986 if test "$HAVE_LIBOTF" = "yes"; then
2987 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2988 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2989 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2990 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2991 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2992 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2993 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2997 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2998 dnl Does the new font backend require it, or can it work without it?
3002 if test "${HAVE_LIBOTF}" = yes; then
3003 if test "${with_m17n_flt}" != "no"; then
3004 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3005 if test "$HAVE_M17N_FLT" = "yes"; then
3006 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3017 ### End of font-backend (under X11) section.
3019 AC_SUBST(FREETYPE_CFLAGS)
3020 AC_SUBST(FREETYPE_LIBS)
3021 AC_SUBST(FONTCONFIG_CFLAGS)
3022 AC_SUBST(FONTCONFIG_LIBS)
3023 AC_SUBST(LIBOTF_CFLAGS)
3024 AC_SUBST(LIBOTF_LIBS)
3025 AC_SUBST(M17N_FLT_CFLAGS)
3026 AC_SUBST(M17N_FLT_LIBS)
3028 ### Use -lXpm if available, unless `--with-xpm=no'.
3029 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3030 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3031 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3032 ### LDFLAGS) accordingly.
3035 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3036 if test "${with_xpm}" != "no"; then
3037 SAVE_CPPFLAGS="$CPPFLAGS"
3038 SAVE_LDFLAGS="$LDFLAGS"
3039 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3040 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3041 AC_CHECK_HEADER(X11/xpm.h,
3042 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3043 if test "${HAVE_XPM}" = "yes"; then
3044 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3045 AC_EGREP_CPP(no_return_alloc_pixels,
3046 [#include "X11/xpm.h"
3047 #ifndef XpmReturnAllocPixels
3048 no_return_alloc_pixels
3050 ], HAVE_XPM=no, HAVE_XPM=yes)
3052 if test "${HAVE_XPM}" = "yes"; then
3053 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3057 CPPFLAGS="$SAVE_CPPFLAGS"
3058 LDFLAGS="$SAVE_LDFLAGS"
3063 if test "${HAVE_XPM}" = "yes"; then
3064 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3069 if test "${HAVE_X11}" = "yes"; then
3070 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3071 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3073 if test "${with_xpm}" != "no"; then
3074 AC_CHECK_HEADER(X11/xpm.h,
3075 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3076 if test "${HAVE_XPM}" = "yes"; then
3077 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3078 AC_EGREP_CPP(no_return_alloc_pixels,
3079 [#include "X11/xpm.h"
3080 #ifndef XpmReturnAllocPixels
3081 no_return_alloc_pixels
3083 ], HAVE_XPM=no, HAVE_XPM=yes)
3085 if test "${HAVE_XPM}" = "yes"; then
3093 if test "${HAVE_XPM}" = "yes"; then
3094 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3096 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3097 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3102 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3103 ### slightly different requirements wrt image libraries (it doesn't
3104 ### use -lXpm because it loads the xpm shared library dynamically at
3106 if test "${opsys}" = "mingw32"; then
3107 if test "${with_xpm}" != "no"; then
3108 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3112 if test "${HAVE_XPM}" = "yes"; then
3113 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3119 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3120 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3123 if test "${opsys}" = "mingw32"; then
3124 if test "${with_jpeg}" != "no"; then
3125 dnl Checking for jpeglib.h can lose because of a redefinition of
3127 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3129 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3130 if test "${HAVE_JPEG}" = "yes"; then
3131 AC_DEFINE(HAVE_JPEG)
3132 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3133 [#include <jpeglib.h>
3134 version=JPEG_LIB_VERSION
3136 [AC_DEFINE(HAVE_JPEG)],
3137 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3140 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3141 if test "${with_jpeg}" != "no"; then
3142 dnl Checking for jpeglib.h can lose because of a redefinition of
3144 AC_CHECK_HEADER(jerror.h,
3145 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3148 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3149 if test "${HAVE_JPEG}" = "yes"; then
3150 AC_DEFINE(HAVE_JPEG)
3151 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3152 [#include <jpeglib.h>
3153 version=JPEG_LIB_VERSION
3155 [AC_DEFINE(HAVE_JPEG)],
3156 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3159 if test "${HAVE_JPEG}" = "yes"; then
3167 if test "${with_zlib}" != "no"; then
3169 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3171 case $ac_cv_search_inflateEnd in
3172 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3175 if test "${HAVE_ZLIB}" = "yes"; then
3176 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3177 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3178 if test "${opsys}" = "mingw32"; then
3184 ### Use -lpng if available, unless `--with-png=no'.
3188 if test "${NS_IMPL_COCOA}" = yes; then
3190 elif test "${with_png}" != no; then
3191 # mingw32 loads the library dynamically.
3192 if test "$opsys" = mingw32; then
3193 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3194 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3195 AC_MSG_CHECKING([for png])
3196 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3197 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3198 # libpng-config does not work; configure by hand.
3199 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3200 # in /usr/include/libpng.
3201 if test -r /usr/include/libpng/png.h &&
3202 test ! -r /usr/include/png.h; then
3203 png_cflags=-I/usr/include/libpng
3211 CFLAGS="$CFLAGS $png_cflags"
3212 LIBS="$png_libs -lz -lm $LIBS"
3214 [AC_LANG_PROGRAM([[#include <png.h>]],
3215 [[return !png_get_channels (0, 0);]])],
3217 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3219 # $LIBPNG requires explicit -lz in some cases.
3220 # We don't know what those cases are, exactly, so play it safe and
3221 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3222 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3223 LIBPNG="$LIBPNG -lz"
3227 AC_MSG_RESULT([$HAVE_PNG])
3230 if test $HAVE_PNG = yes; then
3231 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3234 CFLAGS="$CFLAGS $PNG_CFLAGS"
3235 AC_CHECK_DECL([png_longjmp],
3237 [AC_DEFINE([PNG_DEPSTRUCT], [],
3238 [Define to empty to suppress deprecation warnings when building
3239 with --enable-gcc-warnings and with libpng versions before 1.5,
3240 which lack png_longjmp.])],
3246 AC_SUBST(PNG_CFLAGS)
3248 ### Use -ltiff if available, unless `--with-tiff=no'.
3249 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3252 if test "${opsys}" = "mingw32"; then
3253 if test "${with_tiff}" != "no"; then
3254 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3256 if test "${HAVE_TIFF}" = "yes"; then
3257 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3259 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3260 if test "${with_tiff}" != "no"; then
3261 AC_CHECK_HEADER(tiffio.h,
3263 # At least one tiff package requires the jpeg library.
3264 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3265 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3268 if test "${HAVE_TIFF}" = "yes"; then
3269 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3270 dnl FIXME -lz -lm, as per libpng?
3276 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3277 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3280 if test "${opsys}" = "mingw32"; then
3281 if test "${with_gif}" != "no"; then
3282 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3284 if test "${HAVE_GIF}" = "yes"; then
3285 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3287 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3288 || test "${HAVE_W32}" = "yes"; then
3289 AC_CHECK_HEADER(gif_lib.h,
3290 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3291 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3292 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3293 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3295 if test "$HAVE_GIF" = yes; then
3297 elif test "$HAVE_GIF" = maybe; then
3298 # If gif_lib.h but no libgif, try libungif.
3299 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3300 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3303 if test "${HAVE_GIF}" = "yes"; then
3304 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3309 dnl Check for required libraries.
3310 if test "${HAVE_X11}" = "yes"; then
3313 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3314 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3315 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3316 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3317 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3318 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3319 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3320 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3321 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3322 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3324 if test "X${MISSING}" != X; then
3325 AC_MSG_ERROR([The following required libraries were not found:
3327 Maybe some development libraries/packages are missing?
3328 If you don't want to link with them give
3330 as options to configure])
3334 ### Use -lgpm if available, unless `--with-gpm=no'.
3337 if test "${with_gpm}" != "no"; then
3338 AC_CHECK_HEADER(gpm.h,
3339 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3341 if test "${HAVE_GPM}" = "yes"; then
3342 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3348 dnl Check for malloc/malloc.h on darwin
3349 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3352 ### Use NeXTstep API to implement GUI.
3353 if test "${HAVE_NS}" = "yes"; then
3354 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3355 if test "${NS_IMPL_COCOA}" = "yes"; then
3356 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3358 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3359 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3360 # See also .m.o rule in Makefile.in */
3361 # FIXME: are all these flags really needed? Document here why. */
3362 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3363 ## Extra CFLAGS applied to src/*.m files.
3364 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3369 ### Use session management (-lSM -lICE) if available
3372 if test "${HAVE_X11}" = "yes"; then
3373 AC_CHECK_HEADER(X11/SM/SMlib.h,
3374 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3376 if test "${HAVE_X_SM}" = "yes"; then
3377 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3383 ### Use XRandr (-lXrandr) if available
3385 if test "${HAVE_X11}" = "yes"; then
3386 XRANDR_REQUIRED=1.2.2
3387 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3388 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3389 if test $HAVE_XRANDR = no; then
3390 # Test old way in case pkg-config doesn't have it (older machines).
3391 # Include Xrender.h by hand to work around bug in older Xrandr.h
3392 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3393 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3394 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3395 [], [AC_INCLUDES_DEFAULT
3396 #include <X11/extensions/Xrender.h>])
3397 if test $HAVE_XRANDR = yes; then
3398 XRANDR_LIBS=-lXrandr
3401 if test $HAVE_XRANDR = yes; then
3402 SAVE_CFLAGS="$CFLAGS"
3404 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3405 LIBS="$XRANDR_LIBS $LIBS"
3406 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3407 CFLAGS="$SAVE_CFLAGS"
3410 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3413 AC_SUBST(XRANDR_CFLAGS)
3414 AC_SUBST(XRANDR_LIBS)
3416 ### Use Xinerama (-lXinerama) if available
3418 if test "${HAVE_X11}" = "yes"; then
3419 XINERAMA_REQUIRED=1.0.2
3420 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3421 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3422 if test $HAVE_XINERAMA = no; then
3423 # Test old way in case pkg-config doesn't have it (older machines).
3424 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3425 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3426 if test $HAVE_XINERAMA = yes; then
3427 XINERAMA_LIBS=-lXinerama
3430 if test $HAVE_XINERAMA = yes; then
3431 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3434 AC_SUBST(XINERAMA_CFLAGS)
3435 AC_SUBST(XINERAMA_LIBS)
3437 ### Use Xfixes (-lXfixes) if available
3439 if test "${HAVE_X11}" = "yes"; then
3440 XFIXES_REQUIRED=4.0.0
3441 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3442 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3443 if test $HAVE_XFIXES = no; then
3444 # Test old way in case pkg-config doesn't have it (older machines).
3445 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3446 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3447 if test $HAVE_XFIXES = yes; then
3448 XFIXES_LIBS=-lXfixes
3451 if test $HAVE_XFIXES = yes; then
3452 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3455 AC_SUBST(XFIXES_CFLAGS)
3456 AC_SUBST(XFIXES_LIBS)
3458 ### Use libxml (-lxml2) if available
3459 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3461 if test "${with_xml2}" != "no"; then
3462 ### I'm not sure what the version number should be, so I just guessed.
3463 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3464 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3465 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3466 SAVE_CPPFLAGS="$CPPFLAGS"
3467 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3468 AC_CHECK_HEADER(libxml/HTMLparser.h,
3469 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3470 [#include <libxml/HTMLparser.h>])])
3471 CPPFLAGS="$SAVE_CPPFLAGS"
3472 if test "${HAVE_LIBXML2}" = "yes"; then
3473 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3474 LIBXML2_LIBS="-lxml2"
3477 if test "${HAVE_LIBXML2}" = "yes"; then
3478 if test "${opsys}" != "mingw32"; then
3479 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3484 if test "${HAVE_LIBXML2}" = "yes"; then
3485 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3492 AC_SUBST(LIBXML2_LIBS)
3493 AC_SUBST(LIBXML2_CFLAGS)
3495 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3496 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3497 if test "${opsys}" = "mingw32"; then
3498 emacs_cv_netdb_declares_h_errno=yes
3500 AC_CACHE_CHECK(whether netdb declares h_errno,
3501 emacs_cv_netdb_declares_h_errno,
3502 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3503 [[return h_errno;]])],
3504 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3505 if test $emacs_cv_netdb_declares_h_errno = yes; then
3506 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3509 # Check for mail-locking functions in a "mail" library. Probably this should
3510 # have the same check as for liblockfile below.
3511 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3512 if test $have_mail = yes; then
3514 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3517 LIBS="$LIBS_MAIL $LIBS"
3518 AC_CHECK_FUNCS(touchlock)
3523 dnl Debian, at least:
3524 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3525 if test $have_lockfile = yes; then
3526 LIBS_MAIL=-llockfile
3527 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3529 # If we have the shared liblockfile, assume we must use it for mail
3530 # locking (e.g. Debian). If we couldn't link against liblockfile
3531 # (no liblockfile.a installed), ensure that we don't need to.
3532 dnl This works for files generally, not just executables.
3533 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3534 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3535 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3536 if test $ac_cv_prog_liblockfile = yes; then
3537 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3538 This probably means that movemail could lose mail.
3539 There may be a `development' package to install containing liblockfile.])
3542 AC_CHECK_HEADERS_ONCE(maillock.h)
3545 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3546 ## interlock access to the mail spool. The alternative is a lock file named
3547 ## /usr/spool/mail/$USER.lock.
3550 aix4-2) mail_lock="lockf" ;;
3552 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3554 ## On GNU/Linux systems, both methods are used by various mail programs.
3555 ## I assume most people are using newer mailers that have heard of flock.
3556 ## Change this if you need to.
3557 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3558 ## configure gets the right answers, and that means *NOT* using flock.
3559 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3560 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3561 ## Debian maintainer hasn't provided a clean fix for Emacs.
3562 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3563 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3564 ## correct logic. -- fx
3565 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3566 ## liblockfile is a Free Software replacement for libmail, used on
3567 ## Debian systems and elsewhere. -rfr.
3570 if test $have_mail = yes || test $have_lockfile = yes; then
3571 test $ac_cv_header_maillock_h = yes && mail_lock=no
3576 mail_lock="none-needed" ;;
3580 case "$mail_lock" in
3581 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3583 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3587 *) BLESSMAIL_TARGET="need-blessmail" ;;
3589 AC_SUBST(BLESSMAIL_TARGET)
3592 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3593 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3594 getrusage get_current_dir_name \
3595 lrand48 random rint \
3596 select getpagesize setlocale newlocale \
3597 getrlimit setrlimit shutdown getaddrinfo \
3598 pthread_sigmask strsignal setitimer \
3599 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3601 getpwent endpwent getgrent endgrent \
3602 cfmakeraw cfsetspeed copysign __executable_start log2)
3605 dnl No need to check for aligned_alloc and posix_memalign if using
3606 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3607 dnl Don't use these functions on Darwin as they are incompatible with
3609 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3610 && test "$opsys" != darwin; then
3611 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3614 dnl Cannot use AC_CHECK_FUNCS
3615 AC_CACHE_CHECK([for __builtin_unwind_init],
3616 emacs_cv_func___builtin_unwind_init,
3617 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3618 emacs_cv_func___builtin_unwind_init=yes,
3619 emacs_cv_func___builtin_unwind_init=no)])
3620 if test $emacs_cv_func___builtin_unwind_init = yes; then
3621 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3622 [Define to 1 if you have the `__builtin_unwind_init' function.])
3625 AC_CHECK_HEADERS_ONCE(sys/un.h)
3630 AC_CHECK_FUNCS(grantpt)
3632 # PTY-related GNU extensions.
3633 AC_CHECK_FUNCS(getpt posix_openpt)
3635 # Check this now, so that we will NOT find the above functions in ncurses.
3636 # That is because we have not set up to link ncurses in lib-src.
3637 # It's better to believe a function is not available
3638 # than to expect to find it in ncurses.
3639 # Also we need tputs and friends to be able to build at all.
3640 AC_MSG_CHECKING([for library containing tputs])
3641 # Run a test program that contains a call to tputs, a call that is
3642 # never executed. This tests whether a pre-'main' dynamic linker
3643 # works with the library. It's too much trouble to actually call
3644 # tputs in the test program, due to portability hassles. When
3645 # cross-compiling, assume the test program will run if it links.
3646 AC_DEFUN([tputs_link_source], [
3648 [[extern void tputs (const char *, int, int (*)(int));
3649 int main (int argc, char **argv)
3652 tputs (argv[0], 0, 0);
3656 if test "${opsys}" = "mingw32"; then
3659 # Maybe curses should be tried earlier?
3660 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3661 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3663 if test -z "$tputs_library"; then
3667 LIBS_TERMCAP=-l$tputs_library
3669 LIBS="$LIBS_TERMCAP $LIBS"
3671 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3672 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3674 if test "X$msg" != Xno; then
3679 AC_MSG_RESULT([$msg])
3680 if test "X$msg" = Xno; then
3681 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3682 The following libraries were tried (in order):
3683 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3684 Please try installing whichever of these libraries is most appropriate
3685 for your system, together with its header files.
3686 For example, a libncurses-dev(el) or similar package.])
3689 ## Use termcap instead of terminfo?
3690 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3692 ## FIXME? In the cases below where we unconditionally set
3693 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3694 ## if that was found above to have tputs.
3695 ## Should we use the gnu* logic everywhere?
3697 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3698 ## The ncurses library has been moved out of the System framework in
3699 ## Mac OS X 10.2. So if configure detects it, set the command-line
3700 ## option to use it.
3701 darwin) LIBS_TERMCAP="-lncurses" ;;
3703 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3706 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3707 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3708 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3709 [[#if __FreeBSD_version < 400000
3712 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3714 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3716 if test $emacs_cv_freebsd_terminfo = yes; then
3717 LIBS_TERMCAP="-lncurses"
3720 LIBS_TERMCAP="-ltermcap"
3730 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3732 LIBS_TERMCAP="-ltermcap"
3736 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3738 ## hpux: Make sure we get select from libc rather than from libcurses
3739 ## because libcurses on HPUX 10.10 has a broken version of select.
3740 ## We used to use -lc -lcurses, but this may be cleaner.
3741 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3742 # set that way, now it uses the default). Isn't this a contradiction?
3743 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3747 TERMCAP_OBJ=tparam.o
3748 if test $TERMINFO = yes; then
3749 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3750 TERMCAP_OBJ=terminfo.o
3752 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3753 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3755 AC_SUBST(LIBS_TERMCAP)
3756 AC_SUBST(TERMCAP_OBJ)
3758 # GNU/Linux-specific timer functions.
3759 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3761 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3763 [[timerfd_create (CLOCK_REALTIME,
3764 TFD_CLOEXEC | TFD_NONBLOCK);
3765 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3766 [emacs_cv_have_timerfd=yes],
3767 [emacs_cv_have_timerfd=no])])
3768 if test "$emacs_cv_have_timerfd" = yes; then
3769 AC_DEFINE([HAVE_TIMERFD], 1,
3770 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3773 # Alternate stack for signal handlers.
3774 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3775 [emacs_cv_alternate_stack],
3777 [AC_LANG_PROGRAM([[#include <signal.h>
3780 struct sigaction sa;
3781 ss.ss_sp = malloc (SIGSTKSZ);
3782 ss.ss_size = SIGSTKSZ;
3783 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3784 sigaltstack (&ss, 0);
3785 sigaction (SIGSEGV, &sa, 0);]])],
3786 [emacs_cv_alternate_stack=yes],
3787 [emacs_cv_alternate_stack=no])])
3789 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3790 # On Darwin, res_init appears not to be useful: see bug#562 and
3791 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3794 if test $opsys != darwin; then
3796 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3797 #include <arpa/nameser.h>
3798 #include <resolv.h>]],
3799 [[return res_init();]])],
3800 have_res_init=yes, have_res_init=no)
3801 if test "$have_res_init" = no; then
3803 LIBS="$LIBS -lresolv"
3804 AC_MSG_CHECKING(for res_init with -lresolv)
3805 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3806 #include <arpa/nameser.h>
3807 #include <resolv.h>]],
3808 [[return res_init();]])],
3809 have_res_init=yes, have_res_init=no)
3810 AC_MSG_RESULT($have_res_init)
3811 if test "$have_res_init" = yes ; then
3817 if test "$have_res_init" = yes; then
3818 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3822 # Do we need the Hesiod library to provide the support routines?
3823 dnl FIXME? Should we be skipping this on Darwin too?
3825 if test "$with_hesiod" != no ; then
3826 # Don't set $LIBS here -- see comments above. FIXME which comments?
3827 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3828 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3829 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3830 if test "$resolv" = yes ; then
3835 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3836 hesiod=yes, :, $RESOLVLIB)])
3838 if test x"$hesiod" = xyes; then
3844 # Do we need libresolv (due to res_init or Hesiod)?
3845 if test "$resolv" = yes && test $opsys != darwin; then
3852 # These tell us which Kerberos-related libraries to use.
3859 if test "${with_kerberos}" != no; then
3861 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3862 if test $have_com_err = yes; then
3863 COM_ERRLIB=-lcom_err
3864 LIBS="$COM_ERRLIB $LIBS"
3866 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3867 if test $have_crypto = yes; then
3869 LIBS="$CRYPTOLIB $LIBS"
3871 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3872 if test $have_k5crypto = yes; then
3873 CRYPTOLIB=-lk5crypto
3874 LIBS="$CRYPTOLIB $LIBS"
3876 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3877 if test $have_krb5=yes; then
3879 LIBS="$KRB5LIB $LIBS"
3881 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3882 if test "${with_kerberos5}" = no; then
3883 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3884 if test $have_des425 = yes; then
3886 LIBS="$DESLIB $LIBS"
3888 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3889 if test $have_des = yes; then
3891 LIBS="$DESLIB $LIBS"
3894 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3895 if test $have_krb4 = yes; then
3897 LIBS="$KRB4LIB $LIBS"
3899 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3900 if test $have_krb = yes; then
3902 LIBS="$KRB4LIB $LIBS"
3907 if test "${with_kerberos5}" != no; then
3908 AC_CHECK_HEADERS(krb5.h,
3909 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3910 [#include <krb5.h>])])
3912 AC_CHECK_HEADERS(krb.h,,
3913 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3914 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3916 AC_CHECK_HEADERS(com_err.h)
3920 AC_SUBST(COM_ERRLIB)
3926 AC_CHECK_HEADERS(valgrind/valgrind.h)
3928 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3931 AC_CHECK_FUNC(socket, , ok_so_far=no)
3932 if test $ok_so_far = yes; then
3933 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3935 if test $ok_so_far = yes; then
3936 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3938 if test $ok_so_far = yes; then
3939 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3940 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3941 [Define to 1 if you have inet sockets.])
3946 AC_CHECK_FUNCS(snprintf)
3948 dnl Check for glib. This differs from other library checks in that
3949 dnl Emacs need not link to glib unless some other library is already
3950 dnl linking to glib. Although glib provides no facilities that Emacs
3951 dnl needs for its own purposes, when glib is present Emacs needs to
3952 dnl use primitives like g_main_context_query to avoid clashing with
3953 dnl glib at a low level.
3955 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3959 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3960 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3961 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3962 LIBS="$LIBS $GFILENOTIFY_LIBS"
3963 AC_MSG_CHECKING([whether GLib is linked in])
3964 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3967 [[g_print ("Hello world");]])],
3970 AC_MSG_RESULT([$links_glib])
3971 if test "${links_glib}" = "yes"; then
3972 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3973 if test "$HAVE_NS" = no;then
3981 dnl Adapted from Haible's version.
3982 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3983 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3984 [[char* cs = nl_langinfo(CODESET);]])],
3985 emacs_cv_langinfo_codeset=yes,
3986 emacs_cv_langinfo_codeset=no)
3988 if test $emacs_cv_langinfo_codeset = yes; then
3989 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3990 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3995 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3996 dnl how the tty code is related to POSIX and/or other versions of termios.
3997 dnl The following looks like a useful start.
3999 dnl AC_SYS_POSIX_TERMIOS
4000 dnl if test $ac_cv_sys_posix_termios = yes; then
4001 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4002 dnl and macros for terminal control.])
4003 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4006 dnl Turned on June 1996 supposing nobody will mind it.
4007 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4008 if test "${opsys}" != "mingw32"; then
4009 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4010 in the full name stands for the login id.])
4013 dnl Everybody supports this, except MS.
4014 dnl Seems like the kind of thing we should be testing for, though.
4015 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4016 if test "${opsys}" != "mingw32"; then
4017 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4020 dnl Everybody supports this, except MS-DOS.
4021 dnl Seems like the kind of thing we should be testing for, though.
4022 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4023 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4024 4.2-compatible sockets.])
4026 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4028 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4029 a null file, or a data sink.])
4030 if test "${opsys}" = "mingw32"; then
4031 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4033 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4036 if test "${opsys}" = "mingw32"; then
4041 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4042 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4043 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4044 dnl decides that a command-line argument to be passed to a MinGW program
4045 dnl is a PATH-style list of directories. But that heuristics plays it
4046 dnl safe, and only does the replacement when it is _absolutely_ sure it
4047 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4048 dnl which breaks in-tree builds. So we do this manually instead.
4049 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4050 dnl be computed as ':' in MSYS Bash.
4053 dnl Everybody supports this, except MS-DOS.
4054 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4056 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4059 AC_DEFINE(DIRECTORY_SEP, ['/'],
4060 [Character that separates directories in a file name.])
4062 if test "${opsys}" = "mingw32"; then
4063 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4064 [Returns true if character is a device separator.])
4066 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4067 [Returns true if character is a directory separator.])
4069 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4070 [Returns true if character is any form of separator.])
4072 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4073 [Returns true if character is a device separator.])
4075 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4076 [Returns true if character is a directory separator.])
4078 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4079 [Returns true if character is any form of separator.])
4082 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4086 dnl Unfortunately without libXmu we cannot support EditRes.
4087 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4088 AC_DEFINE(NO_EDITRES, 1)
4093 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4094 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4095 AC_DEFINE(NO_EDITRES, 1)
4101 irix6-5 | sol2* | unixware )
4102 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4103 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4104 dnl need the constant to dimension an array. So wire in the appropriate
4106 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4110 emacs_broken_SIGIO=no
4113 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4114 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4115 hpux* | irix6-5 | openbsd | sol2* | unixware )
4116 emacs_broken_SIGIO=yes
4120 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4121 dnl the way this system works, libc functions that return malloced
4122 dnl memory use the libc malloc implementation. Calling xfree or
4123 dnl xrealloc on the results of such functions results in a crash.
4125 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4126 dnl but that does not currently work on this system.
4128 dnl It is possible to completely override the malloc implementation on
4129 dnl AIX, but that involves putting the malloc functions in a shared
4130 dnl library and setting the MALLOCTYPE environment variable to point to
4131 dnl that shared library.
4133 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4134 dnl to avoid a crash just use the Emacs implementation for that function.
4136 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4137 dnl of this file, so that we do not check for get_current_dir_name
4138 dnl on AIX. But that might be fragile if something else ends
4139 dnl up testing for get_current_dir_name as a dependency.
4140 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4141 get_current_dir_name should not be used.])
4145 dnl Circumvent a bug in FreeBSD. In the following sequence of
4146 dnl writes/reads on a PTY, read(2) returns bogus data:
4148 dnl write(2) 1022 bytes
4149 dnl write(2) 954 bytes, get EAGAIN
4150 dnl read(2) 1024 bytes in process_read_output
4151 dnl read(2) 11 bytes in process_read_output
4153 dnl That is, read(2) returns more bytes than have ever been written
4154 dnl successfully. The 1033 bytes read are the 1022 bytes written
4155 dnl successfully after processing (for example with CRs added if the
4156 dnl terminal is set up that way which it is here). The same bytes will
4157 dnl be seen again in a later read(2), without the CRs.
4158 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4159 work around an issue when reading from a PTY.])
4165 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4166 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4171 darwin | dragonfly | freebsd | netbsd | openbsd )
4172 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4173 close a pty to make it a controlling terminal (it is already a
4174 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4178 dnl FIXME Surely we can test for this rather than hard-code it.
4180 netbsd | openbsd) sound_device="/dev/audio" ;;
4181 *) sound_device="/dev/dsp" ;;
4185 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4186 [Name of the default sound device.])
4189 dnl Emacs can read input using SIGIO and buffering characters itself,
4190 dnl or using CBREAK mode and making C-g cause SIGINT.
4191 dnl The choice is controlled by the variable interrupt_input.
4193 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4195 dnl Emacs uses the presence of the USABLE_SIGIO macro
4196 dnl to indicate whether or not signal-driven I/O is possible. It uses
4197 dnl INTERRUPT_INPUT to decide whether to use it by default.
4199 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4200 dnl CBREAK mode has two disadvantages
4201 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4202 dnl I hear that in system V this problem does not exist.
4203 dnl 2) Control-G causes output to be discarded.
4204 dnl I do not know whether this can be fixed in system V.
4206 dnl Another method of doing input is planned but not implemented.
4207 dnl It would have Emacs fork off a separate process
4208 dnl to read the input and send it to the true Emacs process
4211 darwin | gnu-linux | gnu-kfreebsd )
4212 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4217 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4218 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4219 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4220 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4221 dnl taking float or double parameters.
4223 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4224 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4225 file defines `NeedWidePrototypes' as `NO'.])
4230 dnl Used in process.c, this must be a loop, even if it only runs once.
4231 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4232 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4233 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4234 dnl trying suffixes 0-16.
4235 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4236 first PTY, if PTYs are supported.])
4237 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4238 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4239 end of a PTY, if non-standard.])
4240 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4241 end of a PTY, if non-standard.])
4245 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4246 dnl You allocate a pty by opening /dev/ptc to get the master side.
4247 dnl To get the name of the slave side, you just ttyname() the master side.
4248 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4249 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4253 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4254 dnl multi-line AC_DEFINEs are hard. :(
4255 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)])
4256 AC_DEFINE(PTY_NAME_SPRINTF, [])
4257 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4260 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4262 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4263 dnl Not used, because PTY_ITERATION is defined.
4264 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4265 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4266 dnl But we don't have to block SIGCHLD because it is blocked in the
4267 dnl implementation of grantpt.
4268 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4269 AC_DEFINE(PTY_NAME_SPRINTF, [])
4270 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4274 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4277 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4279 if test "x$ac_cv_func_grantpt" = xyes; then
4280 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4281 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4282 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4283 dnl to prevent sigchld_handler from intercepting the child's death.
4284 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); }])
4285 dnl if HAVE_POSIX_OPENPT
4286 if test "x$ac_cv_func_posix_openpt" = xyes; then
4287 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4288 AC_DEFINE(PTY_NAME_SPRINTF, [])
4290 elif test "x$ac_cv_func_getpt" = xyes; then
4291 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4292 AC_DEFINE(PTY_NAME_SPRINTF, [])
4294 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4297 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4302 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4303 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4304 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4308 dnl It looks like this cannot be right, because it is not a loop.
4309 dnl However, process.c actually does this:
4315 dnl which presumably makes it OK, since irix == sgi (?).
4316 dnl FIXME it seems like this special treatment is unnecessary?
4317 dnl Why can't irix use a single-trip loop like eg cygwin?
4318 AC_DEFINE(PTY_ITERATION, [])
4319 dnl Not used, because PTY_ITERATION is defined.
4320 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4321 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); }])
4322 dnl No need to get the pty name at all.
4323 AC_DEFINE(PTY_NAME_SPRINTF, [])
4324 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4325 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4329 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4330 dnl from intercepting that death. If any child but grantpt's should die
4331 dnl within, it should be caught after sigrelse(2).
4332 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); }])
4336 dnl Comments are as per sol2*.
4337 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); }])
4344 dnl This change means that we don't loop through allocate_pty too
4345 dnl many times in the (rare) event of a failure.
4346 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4347 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4348 dnl Push various streams modules onto a PTY channel. Used in process.c.
4349 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.])
4354 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4355 "typing" a signal character on the pty.])
4358 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4359 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4360 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4361 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4364 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4365 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4366 gnu-linux | gnu-kfreebsd )
4368 AC_MSG_CHECKING([for signals via characters])
4369 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4370 #include <linux/version.h>
4371 #if LINUX_VERSION_CODE < 0x20400
4372 # error "Linux version too old"
4374 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4376 AC_MSG_RESULT([$emacs_signals_via_chars])
4377 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4382 AH_TEMPLATE(TAB3, [Undocumented.])
4385 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4387 gnu | dragonfly | freebsd | netbsd | openbsd )
4388 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4389 AC_DEFINE(TAB3, OXTABS)
4392 gnu-linux | gnu-kfreebsd )
4393 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4397 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4398 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4399 [Mark a secondary stack, like the register stack on the ia64.]), [])
4403 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4404 run_time_remap; for HPUX.])
4409 dnl This won't be used automatically yet. We also need to know, at least,
4410 dnl that the stack is continuous.
4411 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4412 registers relevant for conservative garbage collection in the jmp_buf.])
4416 dnl Not all the architectures are tested, but there are Debian packages
4417 dnl for SCM and/or Guile on them, so the technique must work. See also
4418 dnl comments in alloc.c concerning setjmp and gcc.
4419 dnl Fixme: it's probably safe to just use the GCC conditional below.
4420 gnu-linux | gnu-kfreebsd )
4421 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4422 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4423 || defined __alpha__ || defined __mips__ || defined __s390__ \
4424 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4425 || defined __ia64__ || defined __sh__
4428 # error "setjmp not known to work on this arch"
4430 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4435 if test x$GCC = xyes; then
4436 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4437 AC_DEFINE(GC_SETJMP_WORKS, 1)
4440 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4441 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4442 AC_DEFINE(GC_SETJMP_WORKS, 1)
4447 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4448 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4451 [[#include <setjmp.h>
4453 # define _longjmp longjmp
4458 _longjmp (j, 1);]])],
4459 [emacs_cv_func__setjmp=yes],
4460 [emacs_cv_func__setjmp=no])])
4461 if test $emacs_cv_func__setjmp = yes; then
4462 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4465 # We need to preserve signal mask to handle C stack overflows.
4466 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4469 [[#include <setjmp.h>
4472 if (! sigsetjmp (j, 1))
4473 siglongjmp (j, 1);]])],
4474 [emacs_cv_func_sigsetjmp=yes],
4475 [emacs_cv_func_sigsetjmp=no])])
4476 if test $emacs_cv_func_sigsetjmp = yes; then
4477 AC_DEFINE([HAVE_SIGSETJMP], 1,
4478 [Define to 1 if sigsetjmp and siglongjmp work.])
4481 # We need all of these features to handle C stack overflows.
4482 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4483 "$ac_cv_func_getrlimit" = "yes" -a \
4484 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4485 "$emacs_cv_alternate_stack" = yes; then
4486 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4487 [Define to 1 if C stack overflow can be handled in some cases.])
4492 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4493 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4494 dnl and this is all we need.
4495 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4502 dnl Used in xfaces.c.
4503 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4504 some systems, where it requires time.h.])
4509 dnl Define symbols to identify the version of Unix this is.
4510 dnl Define all the symbols that apply correctly.
4511 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4512 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4513 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4514 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4519 dnl This symbol should be defined on AIX Version 3 ???????
4520 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4522 # error "_AIX not defined"
4524 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4528 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4532 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4533 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4534 dnl distinguish OS X from pure Darwin.
4535 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4538 gnu-linux | gnu-kfreebsd )
4540 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4545 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4550 AC_DEFINE(USG5_4, [])
4551 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4555 AC_DEFINE(DOS_NT, [])
4556 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4557 if test "x$ac_enable_checking" != "x" ; then
4558 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4564 AC_DEFINE(USG5_4, [])
4565 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4570 AC_DEFINE(USG5_4, [])
4574 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4577 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4578 emacs_cv_usable_FIONREAD=no
4582 emacs_cv_usable_FIONREAD=yes
4587 [AC_LANG_PROGRAM([[#include <sys/types.h>
4588 #include <sys/ioctl.h>
4590 # include <sys/filio.h>
4593 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4594 [emacs_cv_usable_FIONREAD=yes],
4595 [emacs_cv_usable_FIONREAD=no])
4598 if test $emacs_cv_usable_FIONREAD = yes; then
4599 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4601 if test $emacs_broken_SIGIO = no; then
4602 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4604 [AC_LANG_PROGRAM([[#include <fcntl.h>
4607 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4608 [emacs_cv_usable_SIGIO=yes],
4609 [emacs_cv_usable_SIGIO=no])],
4610 [emacs_cv_usable_SIGIO=yes],
4611 [emacs_cv_usable_SIGIO=no])
4612 if test $emacs_cv_usable_SIGIO = yes; then
4613 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4620 dnl It works to open the pty's tty in the parent (Emacs), then
4621 dnl close and reopen it in the child.
4622 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4623 works to open a pty's tty in the parent process, then close and
4624 reopen it in the child.])
4628 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4629 use VSUSP instead of VSWTCH.])
4633 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4638 # Set up the CFLAGS for real compilation, so we can substitute it.
4639 CFLAGS="$REAL_CFLAGS"
4640 CPPFLAGS="$REAL_CPPFLAGS"
4643 ## Hack to detect a buggy GCC version.
4644 if test "x$GCC" = xyes \
4645 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4646 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4647 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4648 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4651 version=$PACKAGE_VERSION
4653 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4654 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4655 [Short copyright string for this version of Emacs.])
4658 ### Specify what sort of things we'll be editing into Makefile and config.h.
4659 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4661 AC_SUBST(configuration)
4666 AC_SUBST(exec_prefix)
4669 AC_SUBST(sharedstatedir)
4670 AC_SUBST(libexecdir)
4674 AC_SUBST(standardlisppath)
4675 AC_SUBST(locallisppath)
4677 AC_SUBST(x_default_search_path)
4679 AC_SUBST(archlibdir)
4684 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4685 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4686 ## end of LIBX_BASE, but nothing ever set it.
4687 AC_SUBST(LD_SWITCH_X_SITE)
4688 AC_SUBST(C_SWITCH_X_SITE)
4689 AC_SUBST(GNUSTEP_CFLAGS)
4691 ## Used in lwlib/Makefile.in.
4692 AC_SUBST(X_TOOLKIT_TYPE)
4694 AC_SUBST(ns_appbindir)
4695 AC_SUBST(ns_appresdir)
4697 AC_SUBST(GNU_OBJC_CFLAGS)
4698 AC_SUBST(OTHER_FILES)
4700 if test -n "${term_header}"; then
4701 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4702 [Define to the header for the built-in window system.])
4705 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4706 [Define to the canonical Emacs configuration name.])
4707 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4708 [Define to the options passed to configure.])
4709 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4710 define this to include extra configuration information.])
4714 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4721 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4722 AC_DEFINE(HAVE_X_WINDOWS, 1,
4723 [Define to 1 if you want to use the X window system.])
4725 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4727 if test "$HAVE_XFT" = "yes"; then
4728 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4729 elif test "$HAVE_FREETYPE" = "yes"; then
4730 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4740 if test "${USE_X_TOOLKIT}" != "none" ; then
4742 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4743 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4744 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4745 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4746 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4750 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4751 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4755 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4756 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4757 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4761 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4762 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4765 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4768 AC_SUBST(WIDGET_OBJ)
4771 case "$USE_X_TOOLKIT" in
4772 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4773 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4774 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4776 AC_SUBST(TOOLKIT_LIBW)
4778 if test "${opsys}" != "mingw32"; then
4779 if test "$USE_X_TOOLKIT" = "none"; then
4780 LIBXT_OTHER="\$(LIBXSM)"
4782 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4785 AC_SUBST(LIBXT_OTHER)
4787 if test "${HAVE_X11}" = "yes" ; then
4788 AC_DEFINE(HAVE_X11, 1,
4789 [Define to 1 if you want to use version 11 of X windows.])
4790 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4794 AC_SUBST(LIBX_OTHER)
4796 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4798 elif test "$USE_X_TOOLKIT" = none; then
4799 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4801 LIBXMENU='$(lwlibdir)/liblw.a'
4805 AC_CACHE_CHECK([for struct alignment],
4806 [emacs_cv_struct_alignment],
4808 [AC_LANG_PROGRAM([[#include <stddef.h>
4809 struct __attribute__ ((aligned (8))) s { char c; };
4810 struct t { char c; struct s s; };
4811 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4813 [emacs_cv_struct_alignment=yes],
4814 [emacs_cv_struct_alignment=no])])
4815 if test "$emacs_cv_struct_alignment" = yes; then
4816 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4817 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4818 structure to an N-byte boundary.])
4821 if test "${GNU_MALLOC}" = "yes" ; then
4822 AC_DEFINE(GNU_MALLOC, 1,
4823 [Define to 1 if you want to use the GNU memory allocator.])
4827 if test "${REL_ALLOC}" = "yes" ; then
4828 AC_DEFINE(REL_ALLOC, 1,
4829 [Define REL_ALLOC if you want to use the relocating allocator for
4832 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4834 AC_SUBST(RALLOC_OBJ)
4836 if test "$opsys" = "cygwin"; then
4837 CYGWIN_OBJ="sheap.o cygw32.o"
4838 ## Cygwin differs because of its unexec().
4840 POST_ALLOC_OBJ=lastfile.o
4841 elif test "$opsys" = "mingw32"; then
4844 POST_ALLOC_OBJ=lastfile.o
4847 PRE_ALLOC_OBJ=lastfile.o
4850 AC_SUBST(CYGWIN_OBJ)
4851 AC_SUBST(PRE_ALLOC_OBJ)
4852 AC_SUBST(POST_ALLOC_OBJ)
4854 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4855 dnl verbatim defined above. The tricky name is apropos, as this hack
4856 dnl makes Fortify go sour!
4857 AH_VERBATIM([FORTIFY_SOUR],
4858 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4859 The workaround disables some useful run-time checking, so it
4860 should be conditional to the platforms with the performance bug.
4861 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4862 #if defined __APPLE__ && defined __GNUC__
4863 # ifndef _DONT_USE_CTYPE_INLINE_
4864 # define _DONT_USE_CTYPE_INLINE_
4866 # ifndef _FORTIFY_SOURCE
4867 # define _FORTIFY_SOURCE 0
4872 # If user asks to omit features, disable optional features that gnulib
4873 # might otherwise enable.
4874 if test "$with_features" = no && test "$enable_acl" != yes; then
4878 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4879 # it temporarily reverts them to their pre-pkg-config values,
4880 # because gnulib needs to work with both src (which uses the
4881 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4882 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4883 # and it therefore needs to run in an environment where LIBS does not
4884 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4885 # for some package unrelated to lib-src.
4888 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4889 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4890 gl_ASSERT_NO_GNULIB_POSIXCHECK
4891 gl_ASSERT_NO_GNULIB_TESTS
4896 if test "${opsys}" = "mingw32"; then
4897 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4898 # Remove unneeded switches from the value of CC that goes to Makefiles
4899 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4903 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4905 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4908 ## The -headerpad option tells ld (see man page) to leave room at the
4909 ## end of the header for adding load commands. Needed for dumping.
4910 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4911 ## architecture (where they are 78 bytes each). The actual number of
4912 ## load commands added is not consistent but normally ranges from
4913 ## about 14 to about 34. Setting it high gets us plenty of slop and
4914 ## only costs about 1.5K of wasted binary space.
4915 headerpad_extra=1000
4916 if test "$HAVE_NS" = "yes"; then
4917 libs_nsgui="-framework AppKit"
4918 if test "$NS_IMPL_COCOA" = "yes"; then
4919 libs_nsgui="$libs_nsgui -framework IOKit"
4924 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4926 ## This is here because src/Makefile.in did some extra fiddling around
4927 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4928 ## LD_SWITCH_SYSTEM_TEMACS instead,
4929 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4930 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4933 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4934 ## find X at run-time.
4935 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4936 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4937 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4938 ## had different values in configure (in ac_link) and src/Makefile.in.
4939 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4940 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4943 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4944 case "$canonical" in
4945 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4946 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4950 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4952 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4955 if test x$ac_enable_profiling != x ; then
4957 *freebsd | gnu-linux) ;;
4958 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4962 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4964 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4966 ## Common for all window systems
4967 if test "$window_system" != "none"; then
4968 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4969 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4970 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4973 AC_SUBST(WINDOW_SYSTEM_OBJ)
4975 AH_TOP([/* GNU Emacs site configuration template file.
4977 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
4978 Free Software Foundation, Inc.
4980 This file is part of GNU Emacs.
4982 GNU Emacs is free software: you can redistribute it and/or modify
4983 it under the terms of the GNU General Public License as published by
4984 the Free Software Foundation, either version 3 of the License, or
4985 (at your option) any later version.
4987 GNU Emacs is distributed in the hope that it will be useful,
4988 but WITHOUT ANY WARRANTY; without even the implied warranty of
4989 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4990 GNU General Public License for more details.
4992 You should have received a copy of the GNU General Public License
4993 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4996 /* No code in Emacs #includes config.h twice, but some bits of code
4997 intended to work with other packages as well (like gmalloc.c)
4998 think they can include it as many times as they like. */
4999 #ifndef EMACS_CONFIG_H
5000 #define EMACS_CONFIG_H
5003 AH_BOTTOM([#include <conf_post.h>
5005 #endif /* EMACS_CONFIG_H */
5014 #### Report on what we decided to do.
5015 #### Report GTK as a toolkit, even if it doesn't use Xt.
5016 #### It makes printing result more understandable as using GTK sets
5017 #### toolkit_scroll_bars to yes by default.
5018 if test "${HAVE_GTK}" = "yes"; then
5019 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5022 if test $USE_ACL -ne 0; then
5023 ACL_SUMMARY="yes $LIB_ACL"
5029 Configured for \`${canonical}'.
5031 Where should the build process find the source code? ${srcdir}
5032 What compiler should emacs be built with? ${CC} ${CFLAGS}
5033 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5034 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5035 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5036 What window system should Emacs use? ${window_system}
5037 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5039 if test -n "${x_includes}"; then
5040 echo " Where do we find X Windows header files? ${x_includes}"
5042 echo " Where do we find X Windows header files? Standard dirs"
5044 if test -n "${x_libraries}"; then
5045 echo " Where do we find X Windows libraries? ${x_libraries}"
5047 echo " Where do we find X Windows libraries? Standard dirs"
5051 emacs_config_features=
5052 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5053 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5057 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5058 *) eval val=\${HAVE_$opt} ;;
5060 test x"$val" = xno && continue
5061 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5064 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5065 [Summary of some of the main features enabled by configure.])
5067 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5068 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5069 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5070 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5071 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5072 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5073 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5074 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5076 echo " Does Emacs support sound? ${HAVE_SOUND}"
5078 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5079 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5080 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5081 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5082 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5083 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5084 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5085 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5086 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5088 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5089 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5090 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5091 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5092 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5094 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5097 if test -n "${EMACSDATA}"; then
5098 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5100 if test -n "${EMACSDOC}"; then
5101 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5106 if test "$HAVE_NS" = "yes"; then
5108 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5109 The installed application will go to nextstep/Emacs.app and can be
5110 run or moved from there."
5111 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5112 echo "The application will be fully self-contained."
5114 echo "The lisp resources for the application will be installed under ${prefix}.
5115 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5116 to run if these resources are not installed."
5121 if test "${opsys}" = "cygwin"; then
5123 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5129 # Remove any trailing slashes in these variables.
5130 [test "${prefix}" != NONE &&
5131 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5132 test "${exec_prefix}" != NONE &&
5133 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5135 if test "$HAVE_NS" = "yes"; then
5136 if test "$NS_IMPL_GNUSTEP" = yes; then
5137 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5138 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5139 ns_check_file=Resources/Info-gnustep.plist
5141 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5142 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5143 ns_check_file=Contents/Info.plist
5145 AC_SUBST(ns_check_file)
5148 dnl config.status treats $srcdir specially, so I think this is ok...
5149 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5151 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5152 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5153 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5154 dnl (else you get "no `Makefile.am' found for any configure output").
5155 dnl This will work, but you get a config.status that is not quite right
5156 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5157 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5158 dnl it seems better to just live with the duplication.
5159 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5161 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5162 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5163 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5164 leim/Makefile nextstep/Makefile nt/Makefile])
5166 dnl test/ is not present in release tarfiles.
5167 opt_makefile=test/automated/Makefile
5169 if test -f "$srcdir/$opt_makefile.in"; then
5170 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5171 dnl Again, it's best not to use a variable. Though you can add
5172 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5173 AC_CONFIG_FILES([test/automated/Makefile])
5177 dnl The admin/ directory used to be excluded from tarfiles.
5178 if test -d $srcdir/admin; then
5179 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5180 AC_CONFIG_FILES([admin/unidata/Makefile])
5181 AC_CONFIG_FILES([admin/grammars/Makefile])
5185 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5187 AC_SUBST(SUBDIR_MAKEFILES_IN)
5189 dnl You might wonder (I did) why epaths.h is generated by running make,
5190 dnl rather than just letting configure generate it from epaths.in.
5191 dnl One reason is that the various paths are not fully expanded (see above);
5192 dnl eg gamedir=${prefix}/var/games/emacs.
5193 dnl Secondly, the GNU Coding standards require that one should be able
5194 dnl to run `make prefix=/some/where/else' and override the values set
5195 dnl by configure. This also explains the `move-if-change' test and
5196 dnl the use of force in the `epaths-force' rule in Makefile.in.
5197 AC_CONFIG_COMMANDS([src/epaths.h], [
5198 if test "${opsys}" = "mingw32"; then
5199 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5201 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5202 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5203 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5205 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5206 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5208 AC_CONFIG_COMMANDS([src/.gdbinit], [
5209 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5210 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5214 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5215 dnl See comments for etc-refcards-emacsver.tex.
5216 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5217 dnl it is not quite the same. But we are generating in $srcdir.
5218 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5219 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5220 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5223 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5224 dnl then a directory etc/refcards is created in the build directory,
5225 dnl which is probably harmless, but confusing (in out-of-tree builds).
5226 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5227 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5228 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5229 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5230 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5235 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])