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_OR_GROUP],
396 [user for shared game score files.
397 An argument prefixed by ':' specifies a group instead.])])
400 # We don't test if we can actually chown/chgrp here, because configure
401 # may run without root privileges. lib-src/Makefile.in will handle
402 # any errors due to missing user/group gracefully.
403 case ${with_gameuser} in
405 "" | yes) gamegroup=games ;;
406 :*) gamegroup=`echo "${with_gameuser}" | sed -e "s/://"` ;;
407 *) gameuser=${with_gameuser} ;;
410 AC_ARG_WITH([gnustep-conf],dnl
411 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
412 [name of GNUstep configuration file to use on systems where the command
413 'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or
414 /etc/GNUstep/GNUstep.conf])])
415 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
416 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
417 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
418 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
420 AC_ARG_ENABLE(ns-self-contained,
421 [AS_HELP_STRING([--disable-ns-self-contained],
422 [disable self contained build under NeXTstep])],
423 EN_NS_SELF_CONTAINED=$enableval,
424 EN_NS_SELF_CONTAINED=yes)
427 AC_ARG_ENABLE(locallisppath,
428 [AS_HELP_STRING([--enable-locallisppath=PATH],
429 [directories Emacs should search for lisp files specific
431 if test "${enableval}" = "no"; then
433 elif test "${enableval}" != "yes"; then
434 locallisppath=${enableval} locallisppathset=yes
437 AC_ARG_ENABLE(checking,
438 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
439 [enable expensive run-time checks. With LIST,
440 enable only specific categories of checks.
441 Categories are: all,yes,no.
442 Flags are: stringbytes, stringoverrun, stringfreelist,
443 xmallocoverrun, conslist, glyphs])],
444 [ac_checking_flags="${enableval}"],[])
445 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
446 for check in $ac_checking_flags
449 # these set all the flags to specific states
450 yes) ac_enable_checking=1 ;;
451 no) ac_enable_checking= ;
452 ac_gc_check_stringbytes= ;
453 ac_gc_check_string_overrun= ;
454 ac_gc_check_string_free_list= ;
455 ac_xmalloc_overrun= ;
456 ac_gc_check_cons_list= ;
458 all) ac_enable_checking=1 ;
459 ac_gc_check_stringbytes=1 ;
460 ac_gc_check_string_overrun=1 ;
461 ac_gc_check_string_free_list=1 ;
462 ac_xmalloc_overrun=1 ;
463 ac_gc_check_cons_list=1 ;
465 # these enable particular checks
466 stringbytes) ac_gc_check_stringbytes=1 ;;
467 stringoverrun) ac_gc_check_string_overrun=1 ;;
468 stringfreelist) ac_gc_check_string_free_list=1 ;;
469 xmallocoverrun) ac_xmalloc_overrun=1 ;;
470 conslist) ac_gc_check_cons_list=1 ;;
471 glyphs) ac_glyphs_debug=1 ;;
472 *) AC_MSG_ERROR(unknown check category $check) ;;
477 if test x$ac_enable_checking != x ; then
478 AC_DEFINE(ENABLE_CHECKING, 1,
479 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
481 if test x$ac_gc_check_stringbytes != x ; then
482 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
483 [Define this temporarily to hunt a bug. If defined, the size of
484 strings is redundantly recorded in sdata structures so that it can
485 be compared to the sizes recorded in Lisp strings.])
487 if test x$ac_gc_check_string_overrun != x ; then
488 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
489 [Define this to check for short string overrun.])
491 if test x$ac_gc_check_string_free_list != x ; then
492 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
493 [Define this to check the string free list.])
495 if test x$ac_xmalloc_overrun != x ; then
496 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
497 [Define this to check for malloc buffer overrun.])
499 if test x$ac_gc_check_cons_list != x ; then
500 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
501 [Define this to check for errors in cons list.])
503 if test x$ac_glyphs_debug != x ; then
504 AC_DEFINE(GLYPH_DEBUG, 1,
505 [Define this to enable glyphs debugging code.])
508 AC_ARG_ENABLE(check-lisp-object-type,
509 [AS_HELP_STRING([--enable-check-lisp-object-type],
510 [enable compile time checks for the Lisp_Object data type.
511 This is useful for development for catching certain types of bugs.])],
512 if test "${enableval}" != "no"; then
513 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
514 [Define this to enable compile time checks for the Lisp_Object data type.])
518 dnl The name of this option is unfortunate. It predates, and has no
519 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
520 dnl Actually, it stops it working.
521 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
522 AC_ARG_ENABLE(profiling,
523 [AS_HELP_STRING([--enable-profiling],
524 [build emacs with low-level, gprof profiling support.
525 Mainly useful for debugging Emacs itself. May not work on
526 all platforms. Stops profiler.el working.])],
527 [ac_enable_profiling="${enableval}"],[])
528 if test x$ac_enable_profiling != x ; then
529 PROFILING_CFLAGS="-DPROFILING=1 -pg"
533 AC_SUBST(PROFILING_CFLAGS)
535 AC_ARG_ENABLE(autodepend,
536 [AS_HELP_STRING([--enable-autodepend],
537 [automatically generate dependencies to .h-files.
538 Requires gcc, enabled if found.])],
539 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
541 AC_ARG_ENABLE(gtk-deprecation-warnings,
542 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
543 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
544 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
546 dnl This used to use changequote, but, apart from `changequote is evil'
547 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
548 dnl the great gob of text. Thus it's not processed for possible expansion.
549 dnl Just make sure the brackets remain balanced.
551 dnl Since Emacs can't find matching pairs of quotes, boundaries are
552 dnl indicated by comments.
556 ### If you add support for a new configuration, add code to this
557 ### switch statement to recognize your configuration name and select
558 ### the appropriate opsys.
560 ### As far as handling version numbers on operating systems is
561 ### concerned, make sure things will fail in a fixable way. If
562 ### /etc/MACHINES doesn't say anything about version numbers, be
563 ### prepared to handle anything reasonably. If version numbers
564 ### matter, be sure /etc/MACHINES says something about it.
567 case "${canonical}" in
569 ## GNU/Linux and similar ports
584 ## FreeBSD kernel + glibc based userland
595 *-*-openbsd* | *-*-mirbsd* )
599 ## Apple Darwin / Mac OS X
601 case "${canonical}" in
602 *-apple-darwin[0-9].*) unported=yes ;;
603 i[3456]86-* | x86_64-* ) ;;
607 ## Use fink packages if available.
608 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
609 ## if test -d /sw/include && test -d /sw/lib; then
610 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
611 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
620 ## HP 9000 series 700 and 800, running HP/UX
624 hppa*-hp-hpux1[1-9]* )
626 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
630 rs6000-ibm-aix4.[23]* )
633 powerpc-ibm-aix4.[23]* )
636 rs6000-ibm-aix[56]* )
639 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
643 ## Silicon Graphics machines
647 # Without defining _LANGUAGE_C, things get masked out in the headers
648 # so that, for instance, grepping for `free' in stdlib.h fails and
649 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
650 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
655 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
656 | x86_64-*-solaris2* | x86_64-*-sunos5*)
657 case "${canonical}" in
659 amd64-*-*|x86_64-*-*) ;;
663 case "${canonical}" in
664 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
666 emacs_check_sunpro_c=yes
668 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
669 ## Note that Emacs 23.1's NEWS said the following would be dropped.
670 *-sunos5.6* | *-solaris2.6* )
674 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
675 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
677 emacs_check_sunpro_c=yes
680 ## Watch out for a compiler that we know will not work.
681 case "${canonical}" in
682 *-solaris* | *-sunos5* )
683 if [ "x$CC" = x/usr/ucb/cc ]; then
684 ## /usr/ucb/cc doesn't work;
685 ## we should find some other compiler that does work.
693 ## Intel 386 machines where we don't care about the manufacturer.
695 case "${canonical}" in
696 *-darwin* ) opsys=darwin ;;
699 # MinGW overrides and adds some system headers in nt/inc.
700 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
702 *-sysv4.2uw* ) opsys=unixware ;;
703 *-sysv5uw* ) opsys=unixware ;;
704 *-sysv5OpenUNIX* ) opsys=unixware ;;
705 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
711 case "${canonical}" in
714 # MinGW overrides and adds some system headers in nt/inc.
715 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
717 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
726 ### If the code above didn't choose an operating system, just choose
727 ### an operating system based on the configuration name. You really
728 ### only want to use this when you have no idea what the right
729 ### operating system is; if you know what operating systems a machine
730 ### runs, it's cleaner to make it explicit in the case statement
732 if test x"${opsys}" = x; then
733 case "${canonical}" in
734 *-gnu* ) opsys=gnu ;;
744 if test $unported = yes; then
745 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
746 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
747 Check `etc/MACHINES' for recognized configuration names.])
750 #### Choose a compiler.
752 dnl Don't bother to test for C89.
753 AC_DEFUN([_AC_PROG_CC_C89], [$2])
755 dnl Sets GCC=yes if using gcc.
756 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
757 if test -n "$XCRUN"; then
758 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
759 test -n "$AR" && export AR
762 dnl Emacs needs C99 or later.
767 if test x$GCC = xyes; then
768 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
770 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
773 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
774 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
775 dnl that clash with MinGW.
776 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
778 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
779 AC_DEFUN([gl_CRYPTO_CHECK])
780 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
781 # as we don't use them.
782 AC_DEFUN([gl_FCNTL_O_FLAGS])
783 # Avoid gnulib's test for pthread_sigmask.
785 for func in $ac_func_list; do
786 test $func = pthread_sigmask || AS_VAR_APPEND([funcs], [" $func"])
789 # Use the system putenv even if it lacks GNU features, as we don't need them,
790 # and the gnulib replacement runs afoul of a FreeBSD 10.1 bug; see Bug#19874.
791 AC_CHECK_FUNCS_ONCE([putenv])
792 AC_DEFUN([gl_FUNC_PUTENV],
793 [test "$ac_cv_func_putenv" = yes || REPLACE_PUTENV=1])
795 # Initialize gnulib right after choosing the compiler.
796 dnl Amongst other things, this sets AR and ARFLAGS.
799 if test "$ac_test_CFLAGS" != set; then
800 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
801 # if -g3 works and the user does not specify CFLAGS.
802 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
805 emacs_g3_CFLAGS='-g3';;
807 emacs_g3_CFLAGS='-g3 -O2';;
811 if test -n "$emacs_g3_CFLAGS"; then
812 emacs_save_CFLAGS=$CFLAGS
813 CFLAGS=$emacs_g3_CFLAGS
814 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
815 [emacs_cv_prog_cc_g3],
816 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
817 [emacs_cv_prog_cc_g3=yes],
818 [emacs_cv_prog_cc_g3=no])])
819 if test $emacs_cv_prog_cc_g3 != yes; then
820 CFLAGS=$emacs_save_CFLAGS
822 if test $opsys = mingw32; then
823 CFLAGS="$CFLAGS -gdwarf-2"
830 # No optimization flag was inferred for this non-GCC compiler.
831 # Try -O. This is needed for xlc on AIX; see Bug#14258.
832 emacs_save_CFLAGS=$CFLAGS
833 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
835 AC_CACHE_CHECK([whether $CC accepts -O],
836 [emacs_cv_prog_cc_o],
837 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
838 [emacs_cv_prog_cc_o=yes],
839 [emacs_cv_prog_cc_o=no])])
840 if test $emacs_cv_prog_cc_o != yes; then
841 CFLAGS=$emacs_save_CFLAGS
846 AC_ARG_ENABLE([gcc-warnings],
847 [AS_HELP_STRING([--enable-gcc-warnings],
848 [turn on lots of GCC warnings/errors. This is intended for
849 developers, and may generate false alarms when used
850 with older or non-GNU development tools.])],
853 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
855 gl_gcc_warnings=$enableval],
859 # clang is unduly picky about some things.
860 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
867 [emacs_cv_clang=yes],
868 [emacs_cv_clang=no])])
870 # When compiling with GCC, prefer -isystem to -I when including system
871 # include files, to avoid generating useless diagnostics for the files.
872 if test "$gl_gcc_warnings" != yes; then
874 if test "$emacs_cv_clang" = yes
876 # Turn off some warnings if supported.
877 gl_WARN_ADD([-Wno-switch])
878 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
879 gl_WARN_ADD([-Wno-pointer-sign])
880 gl_WARN_ADD([-Wno-string-plus-int])
885 # This, $nw, is the list of warnings we disable.
888 case $with_x_toolkit in
889 lucid | athena | motif)
890 # Old toolkits mishandle 'const'.
891 nw="$nw -Wwrite-strings"
894 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
897 AC_SUBST([WERROR_CFLAGS])
899 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
900 nw="$nw -Woverlength-strings" # Not a problem these days
901 nw="$nw -Wformat-nonliteral" # we do this a lot
902 nw="$nw -Wvla" # Emacs uses <vla.h>.
903 nw="$nw -Wswitch-default" # Too many warnings for now
904 nw="$nw -Winline" # OK to ignore 'inline'
905 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
906 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
907 # signed overflow has undefined behavior
908 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
909 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
910 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
912 # Emacs doesn't care about shadowing; see
913 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
916 # Emacs's use of alloca inhibits protecting the stack.
917 nw="$nw -Wstack-protector"
919 # Emacs's use of partly-const functions such as Fgnutls_available_p
920 # make this option problematic.
921 nw="$nw -Wsuggest-attribute=const"
923 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
924 # option problematic.
925 nw="$nw -Wsuggest-attribute=pure"
927 # This part is merely for shortening the command line,
928 # since -Wno-FOO needs to be added below regardless.
929 nw="$nw -Wmissing-field-initializers"
931 nw="$nw -Wtype-limits"
932 nw="$nw -Wunused-parameter"
934 if test $emacs_cv_clang = yes; then
935 nw="$nw -Wcast-align"
938 gl_MANYWARN_ALL_GCC([ws])
939 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
943 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
944 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
945 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
946 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
947 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
948 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
949 gl_WARN_ADD([-Wno-format-nonliteral])
951 # More things that clang is unduly picky about.
952 if test $emacs_cv_clang = yes; then
953 gl_WARN_ADD([-Wno-format-extra-args])
954 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
955 gl_WARN_ADD([-Wno-unused-command-line-argument])
956 gl_WARN_ADD([-Wno-unused-value])
959 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
960 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
961 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
962 [/* Enable compile-time and run-time bounds-checking, and some warnings,
963 without upsetting glibc 2.15+. */
964 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
965 && defined __OPTIMIZE__ && __OPTIMIZE__)
966 # define _FORTIFY_SOURCE 2
970 # We use a slightly smaller set of warning options for lib/.
971 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
973 nw="$nw -Wunused-macros"
975 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
976 AC_SUBST([GNULIB_WARN_CFLAGS])
986 AC_ARG_ENABLE(link-time-optimization,
987 [AS_HELP_STRING([--enable-link-time-optimization],
988 [build emacs with link-time optimization.
989 This requires GCC 4.5.0 or later, or clang.
990 (Note that clang support is experimental - see INSTALL.)
991 It also makes Emacs harder to debug, and when we tried it
992 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
993 recommended for typical use.])],
994 if test "${enableval}" != "no"; then
996 if test $emacs_cv_clang = yes; then
997 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
998 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
999 if test -x "$GOLD_PLUGIN"; then
1002 elif test x$GCC = xyes; then
1003 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
1004 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
1005 if test x$CPUS != x; then
1011 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1013 if test -z "$LTO"; then
1017 CFLAGS="$CFLAGS $LTO"
1018 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1019 [ac_lto_supported=yes], [ac_lto_supported=no])
1020 CFLAGS="$old_CFLAGS"
1022 AC_MSG_RESULT([$ac_lto_supported])
1023 if test "$ac_lto_supported" = "yes"; then
1024 CFLAGS="$CFLAGS $LTO"
1025 if test x$emacs_cv_clang = xyes; then
1026 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1027 # WARNING: 'ar --plugin ...' doesn't work without
1028 # command, so plugin name is appended to ARFLAGS.
1029 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1030 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1032 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1033 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1034 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1035 dnl dump core on Fedora 20, so play it safe for now.
1036 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1037 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1042 dnl Prefer silent make output. For verbose output, use
1043 dnl 'configure --disable-silent-rules' or 'make V=1' .
1044 AM_SILENT_RULES([yes])
1045 dnl Port to Automake 1.11.
1046 dnl This section can be removed once we assume Automake 1.14 or later.
1047 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1048 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1050 AM_SUBST_NOTMAKE([AM_V])
1051 AC_SUBST([AM_DEFAULT_V])
1052 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1053 AC_SUBST([AM_DEFAULT_VERBOSITY])
1055 dnl Some other nice autoconf tests.
1056 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1059 dnl if test "x$RANLIB" = x; then
1064 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1065 dnl can be made to directories. This is not relevant for our usage, and
1066 dnl excludes some cases that work fine for us. Eg MS Windows or files
1067 dnl hosted on AFS, both examples where simple links work, but links to
1068 dnl directories fail. We use a cut-down version instead.
1071 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1072 rm -f conf$$ conf$$.file
1074 LN_S_FILEONLY='cp -p'
1076 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1077 dnl random program in the current directory.
1078 if (echo >conf$$.file) 2>/dev/null; then
1079 if ln -s conf$$.file conf$$ 2>/dev/null; then
1080 if test "$opsys" = "mingw32"; then
1081 LN_S_FILEONLY='/bin/ln -s'
1083 LN_S_FILEONLY='ln -s'
1085 elif ln conf$$.file conf$$ 2>/dev/null; then
1086 if test "$opsys" = "mingw32"; then
1087 LN_S_FILEONLY=/bin/ln
1094 rm -f conf$$ conf$$.file
1096 if test "$LN_S_FILEONLY" = "ln -s"; then
1097 AC_MSG_RESULT([yes])
1099 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1102 AC_SUBST(LN_S_FILEONLY)
1105 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1106 dnl doesn't support links to directories, as in "ln file dir". But that
1107 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1108 dnl executables at "make install" time.
1109 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1110 dnl for more details.
1111 if test "$opsys" = "mingw32"; then
1115 dnl On some Debian versions, "install-info" prints irritating messages
1116 dnl "This is not dpkg install-info anymore, but GNU install-info"
1117 dnl if called via an absolute file name.
1118 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1119 dnl Sadly some people may have an old ginstall-info installed on
1120 dnl non-Debian systems, so we can't use this.
1121 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1122 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1124 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1125 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1126 dnl Don't use GZIP, which is used by gzip for additional parameters.
1127 AC_PATH_PROG(GZIP_PROG, gzip)
1129 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1130 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1132 if test $opsys = gnu-linux; then
1133 AC_PATH_PROG(PAXCTL, paxctl,,
1134 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1135 if test "X$PAXCTL" != X; then
1136 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1137 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1138 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1139 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1142 if test "${SETFATTR+set}" != set; then
1143 AC_CACHE_CHECK([for setfattr],
1144 [emacs_cv_prog_setfattr],
1146 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1147 emacs_cv_prog_setfattr=yes
1149 emacs_cv_prog_setfattr=no
1151 if test "$emacs_cv_prog_setfattr" = yes; then
1157 AC_SUBST([SETFATTR])
1161 ## Need makeinfo >= 4.7 (?) to build the manuals.
1162 if test "$MAKEINFO" != "no"; then
1163 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1166 case `($MAKEINFO --version) 2>/dev/null` in
1167 *' (GNU texinfo) '4.[[7-9]]* | \
1168 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1169 *' (GNU texinfo) '[[5-9]]* | \
1170 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1175 ## Makeinfo is unusual. For a released Emacs, the manuals are
1176 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1177 ## therefore in the category of "special tools" not normally required, which
1178 ## configure does not have to check for (eg autoconf itself).
1179 ## In a repository checkout on the other hand, the manuals are not included.
1180 ## So makeinfo is a requirement to build from the repository, and configure
1181 ## should test for it as it does for any other build requirement.
1182 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1183 ## with pre-built manuals, from a repository checkout.
1186 if test "$MAKEINFO" = "no"; then
1188 if test "x${with_makeinfo}" = "xno"; then
1190 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1191 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1192 source tree does not seem to have pre-built manuals in the `info' directory.
1193 Either install a suitable version of makeinfo, or re-run configure
1194 with the `--without-makeinfo' option to build without the manuals.] )
1197 AC_SUBST(HAVE_MAKEINFO)
1199 if test $opsys = mingw32; then
1200 DOCMISC_W32=efaq-w32
1204 AC_SUBST(DOCMISC_W32)
1206 dnl Add our options to ac_link now, after it is set up.
1208 if test x$GCC = xyes; then
1209 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1210 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1212 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1213 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1216 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1217 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1218 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1219 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1220 dnl if not built to support GNU ld.
1222 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1223 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1224 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1225 dnl Eg "make LDFLAGS=... all" could run into problems,
1226 dnl http://bugs.debian.org/684788
1227 dnl * unnecessary, since temacs is the only thing that actually needs it.
1228 dnl Indeed this is where it was originally, prior to:
1229 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1230 late_LDFLAGS="$LDFLAGS"
1231 if test x$GCC = xyes; then
1232 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1234 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1237 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1239 AC_MSG_CHECKING([for -znocombreloc])
1240 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1241 [AC_MSG_RESULT(yes)],
1242 LDFLAGS_NOCOMBRELOC=
1243 [AC_MSG_RESULT(no)])
1245 LDFLAGS="$late_LDFLAGS"
1247 AC_CACHE_CHECK([whether addresses are sanitized],
1248 [emacs_cv_sanitize_address],
1251 [[#ifndef __has_feature
1252 #define __has_feature(f) 0
1254 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1256 error "Addresses are not sanitized.";
1259 [emacs_cv_sanitize_address=yes],
1260 [emacs_cv_sanitize_address=no])])
1262 dnl The function dump-emacs will not be defined and temacs will do
1263 dnl (load "loadup") automatically unless told otherwise.
1264 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1266 your-opsys-here) CANNOT_DUMP=yes ;;
1269 if test "$CANNOT_DUMP" = "yes"; then
1270 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1271 elif test "$emacs_cv_sanitize_address" = yes; then
1272 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1275 AC_SUBST(CANNOT_DUMP)
1278 UNEXEC_OBJ=unexelf.o
1280 # MSDOS uses unexcoff.o
1282 UNEXEC_OBJ=unexaix.o
1288 UNEXEC_OBJ=unexmacosx.o
1291 UNEXEC_OBJ=unexhp9k800.o
1294 UNEXEC_OBJ=unexw32.o
1297 # Use the Solaris dldump() function, called from unexsol.c, to dump
1298 # emacs, instead of the generic ELF dump code found in unexelf.c.
1299 # The resulting binary has a complete symbol table, and is better
1300 # for debugging and other observability tools (debuggers, pstack, etc).
1302 # If you encounter a problem using dldump(), please consider sending
1303 # a message to the OpenSolaris tools-linking mailing list:
1304 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1306 # It is likely that dldump() works with older Solaris too, but this has
1307 # not been tested, so for now this change is for Solaris 10 or newer.
1308 UNEXEC_OBJ=unexsol.o
1315 ## Let `ld' find image libs and similar things in /usr/local/lib.
1316 ## The system compiler, GCC, has apparently been modified to not
1317 ## look there, contrary to what a stock GCC would do.
1318 ### It's not our place to do this. See bug#10313#17.
1319 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1324 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1325 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1329 ### It's not our place to do this. See bug#10313#17.
1330 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1335 ## Han Boetes <han@boetes.org> says this is necessary,
1336 ## otherwise Emacs dumps core on elf systems.
1337 LD_SWITCH_SYSTEM="-Z"
1340 AC_SUBST(LD_SWITCH_SYSTEM)
1342 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1344 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1345 ## which has not been defined yet. When this was handled with cpp,
1346 ## it was expanded to null when configure sourced the s/*.h file.
1347 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1348 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1349 ## (or somesuch), but because it is supposed to go at the _front_
1350 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1351 ## Compare with the gnu-linux case below, which added to the end
1352 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1353 ## LD_SWITCH_SYSTEM_TEMACS.
1356 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1363 AC_CHECK_DECL([__ELF__])
1364 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1365 ## With ELF, make sure that all common symbols get allocated to in the
1366 ## data section. Otherwise, the dump of temacs may miss variables in
1367 ## the shared library that have been initialized. For example, with
1368 ## GNU libc, __malloc_initialized would normally be resolved to the
1369 ## shared library's .bss section, which is fatal.
1370 if test "x$GCC" = "xyes"; then
1371 C_SWITCH_MACHINE="-fno-common"
1373 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1376 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1377 dnl albeit under the mistaken assumption that said file
1378 dnl was no longer used.
1379 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1383 AC_SUBST(C_SWITCH_MACHINE)
1385 AC_SUBST(UNEXEC_OBJ)
1388 ## Some programs in src produce warnings saying certain subprograms
1389 ## are too complex and need a MAXMEM value greater than 2000 for
1390 ## additional optimization. --nils@exp-math.uni-essen.de
1391 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1392 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1393 if test "$opsys" = "mingw32"; then
1394 case "$canonical" in
1395 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1396 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1399 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1400 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1401 AC_SUBST(C_SWITCH_SYSTEM)
1406 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1407 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1409 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1411 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1413 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1415 ## Motif needs -lgen.
1416 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1419 AC_SUBST(LIBS_SYSTEM)
1421 ### Make sure subsequent tests use flags consistent with the build flags.
1423 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1424 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1426 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1429 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1430 AC_DEFUN([AC_TYPE_SIZE_T])
1431 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1432 AC_DEFUN([AC_TYPE_UID_T])
1434 # sqrt and other floating-point functions such as fmod and frexp
1435 # are found in -lm on many systems.
1437 AC_SEARCH_LIBS([sqrt], [m])
1438 if test "X$LIBS" = "X$OLD_LIBS"; then
1441 LIB_MATH=$ac_cv_search_sqrt
1445 dnl Current possibilities handled by sed (aix4-2 -> aix,
1446 dnl gnu-linux -> gnu/linux, etc.):
1447 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1448 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1449 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1456 ## Adding -lm confuses the dynamic linker, so omit it.
1459 freebsd | dragonfly )
1460 SYSTEM_TYPE=berkeley-unix
1462 gnu-linux | gnu-kfreebsd )
1464 hpux10-20 | hpux11 )
1468 SYSTEM_TYPE=windows-nt
1470 dnl NB this may be adjusted below.
1472 SYSTEM_TYPE=berkeley-unix
1476 SYSTEM_TYPE=usg-unix-v
1482 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1483 [The type of system you are compiling for; sets `system-type'.])
1486 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1487 pre_PKG_CONFIG_LIBS=$LIBS
1489 PKG_PROG_PKG_CONFIG(0.9.0)
1491 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1492 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1493 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1494 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1495 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1496 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1498 AC_DEFUN([EMACS_CHECK_MODULES],
1499 [PKG_CHECK_MODULES([$1], [$2],
1500 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1501 m4_default([$3], [HAVE_$1=yes])],
1502 [m4_default([$4], [HAVE_$1=no])])])
1505 if test "${with_sound}" != "no"; then
1506 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1507 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1508 have_sound_header=yes, [], [
1510 #define WIN32_LEAN_AND_MEAN
1511 #include <windows.h>
1514 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1515 AC_MSG_ERROR([OSS sound support requested but not found.])
1517 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1518 # Emulation library used on NetBSD.
1519 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1520 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1521 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1522 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1523 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1527 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1529 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1530 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1531 if test $HAVE_ALSA = yes; then
1532 SAVE_CFLAGS="$CFLAGS"
1534 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1535 LIBS="$ALSA_LIBS $LIBS"
1536 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1537 emacs_alsa_normal=yes,
1538 emacs_alsa_normal=no)
1539 if test "$emacs_alsa_normal" != yes; then
1540 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1541 [[snd_lib_error_set_handler (0);]])],
1542 emacs_alsa_subdir=yes,
1543 emacs_alsa_subdir=no)
1544 if test "$emacs_alsa_subdir" != yes; then
1545 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1547 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1550 CFLAGS="$SAVE_CFLAGS"
1552 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1553 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1554 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1555 elif test "${with_sound}" = "alsa"; then
1556 AC_MSG_ERROR([ALSA sound support requested but not found.])
1558 fi dnl with_sound = alsa|yes
1560 dnl Define HAVE_SOUND if we have sound support. We know it works and
1561 dnl compiles only on the specified platforms. For others, it
1562 dnl probably doesn't make sense to try.
1563 dnl FIXME So surely we should bypass this whole section if not using
1564 dnl one of these platforms?
1565 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1567 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1568 dnl Adjust the --with-sound help text if you change this.
1569 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1570 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1576 AC_SUBST(CFLAGS_SOUND)
1579 dnl checks for header files
1580 AC_CHECK_HEADERS_ONCE(
1585 sys/utsname.h pwd.h utmp.h util.h)
1587 AC_MSG_CHECKING(if personality LINUX32 can be set)
1588 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1589 emacs_cv_personality_linux32=yes,
1590 emacs_cv_personality_linux32=no)
1591 AC_MSG_RESULT($emacs_cv_personality_linux32)
1593 if test $emacs_cv_personality_linux32 = yes; then
1594 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1595 [Define to 1 if personality LINUX32 can be set.])
1598 # Note that Solaris has sys/sysinfo.h which defines struct
1599 # sysinfo as well. To make sure that we're using GNU/Linux
1600 # sysinfo, we explicitly set one of its fields.
1601 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1602 AC_MSG_CHECKING([if Linux sysinfo may be used])
1603 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1604 [[struct sysinfo si;
1607 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1608 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1609 if test $emacs_cv_linux_sysinfo = yes; then
1610 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1611 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1612 [[struct sysinfo si; return si.mem_unit]])],
1613 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1614 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1618 dnl On Solaris 8 there's a compilation warning for term.h because
1619 dnl it doesn't define `bool'.
1620 AC_CHECK_HEADERS(term.h, , , -)
1622 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1624 if test $ac_cv_have_decl_sys_siglist != yes; then
1625 # For Tru64, at least:
1626 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1631 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1632 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1633 #if HAVE_SYS_SOCKET_H
1634 #include <sys/socket.h>
1636 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1637 #if HAVE_SYS_SOCKET_H
1638 #include <sys/socket.h>
1640 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1641 #if HAVE_SYS_SOCKET_H
1642 #include <sys/socket.h>
1645 dnl checks for structure members
1646 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1647 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1648 struct ifreq.ifr_addr,
1649 struct ifreq.ifr_addr.sa_len], , ,
1650 [AC_INCLUDES_DEFAULT
1651 #if HAVE_SYS_SOCKET_H
1652 #include <sys/socket.h>
1658 dnl Check for endianness.
1659 dnl AC_C_BIGENDIAN is done by gnulib.
1661 dnl check for Make feature
1666 dnl check if we have GCC and autodepend is on.
1667 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1668 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1669 SAVE_CFLAGS="$CFLAGS"
1670 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1671 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1672 CFLAGS="$SAVE_CFLAGS"
1673 test -f deps.d || ac_enable_autodepend=no
1675 AC_MSG_RESULT([$ac_enable_autodepend])
1676 if test $ac_enable_autodepend = yes; then
1677 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1678 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1679 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1680 deps_frag=autodeps.mk
1683 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1684 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1685 deps_frag=$srcdir/src/$deps_frag
1688 AC_SUBST_FILE(deps_frag)
1689 AC_SUBST_FILE(lwlib_deps_frag)
1690 AC_SUBST_FILE(oldxmenu_deps_frag)
1692 lisp_frag=$srcdir/src/lisp.mk
1693 AC_SUBST_FILE(lisp_frag)
1696 dnl checks for operating system services
1697 AC_SYS_LONG_FILE_NAMES
1699 #### Choose a window system.
1701 ## We leave window_system equal to none if
1702 ## we end up building without one. Any new window system should
1703 ## set window_system to an appropriate value and add objects to
1704 ## window-system-specific substs.
1708 if test "$no_x" != yes; then
1712 LD_SWITCH_X_SITE_RPATH=
1713 if test "${x_libraries}" != NONE; then
1714 if test -n "${x_libraries}"; then
1715 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1716 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1718 x_default_search_path=""
1719 x_search_path=${x_libraries}
1720 if test -z "${x_search_path}"; then
1721 x_search_path=/usr/lib
1723 for x_library in `echo ${x_search_path}: | \
1724 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1726 ${x_library}/X11/%L/%T/%N%C%S:\
1727 ${x_library}/X11/%l/%T/%N%C%S:\
1728 ${x_library}/X11/%T/%N%C%S:\
1729 ${x_library}/X11/%L/%T/%N%S:\
1730 ${x_library}/X11/%l/%T/%N%S:\
1731 ${x_library}/X11/%T/%N%S"
1732 if test x"${x_default_search_path}" = x; then
1733 x_default_search_path=${x_search_path}
1735 x_default_search_path="${x_search_path}:${x_default_search_path}"
1739 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1741 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1742 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1745 if test x"${x_includes}" = x; then
1746 bitmapdir=/usr/include/X11/bitmaps
1748 # accumulate include directories that have X11 bitmap subdirectories
1750 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1751 if test -d "${bmd}/X11/bitmaps"; then
1752 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1754 if test -d "${bmd}/bitmaps"; then
1755 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1758 if test ${bmd_acc} != "dummyval"; then
1759 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1764 NS_GNUSTEP_CONFIG=no
1767 tmp_CPPFLAGS="$CPPFLAGS"
1768 tmp_CFLAGS="$CFLAGS"
1769 CPPFLAGS="$CPPFLAGS -x objective-c"
1770 CFLAGS="$CFLAGS -x objective-c"
1773 if test "${with_ns}" != no; then
1774 if test "${opsys}" = darwin; then
1776 ns_appdir=`pwd`/nextstep/Emacs.app
1777 ns_appbindir=${ns_appdir}/Contents/MacOS
1778 ns_appresdir=${ns_appdir}/Contents/Resources
1779 ns_appsrc=Cocoa/Emacs.base
1780 ns_fontfile=macfont.o
1781 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1783 NS_GNUSTEP_CONFIG=yes
1784 GNU_OBJC_CFLAGS=$flags
1785 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1786 elif test -f $GNUSTEP_CONFIG_FILE; then
1788 dnl FIXME sourcing this several times in subshells seems inefficient.
1789 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1790 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1791 dnl I seemed to need these as well with GNUstep-startup 0.25.
1792 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1793 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1794 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1795 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1796 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1797 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1798 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1799 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1800 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1801 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1802 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1803 dnl If they had chosen to either define it or not, we could have
1804 dnl just used AC_CHECK_DECL here.
1805 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1806 emacs_cv_objc_exceptions,
1807 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1808 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1812 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1813 if test $emacs_cv_objc_exceptions = yes; then
1814 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1815 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1816 [Define if GNUstep uses ObjC exceptions.])
1817 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1820 if test $NS_IMPL_GNUSTEP = yes; then
1821 ns_appdir=`pwd`/nextstep/Emacs.app
1822 ns_appbindir=${ns_appdir}
1823 ns_appresdir=${ns_appdir}/Resources
1824 ns_appsrc=GNUstep/Emacs.base
1825 ns_fontfile=nsfont.o
1828 dnl This is only used while we test the NS headers, it gets reset below.
1829 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1830 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1832 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1833 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1834 files are missing or cannot be compiled.])])
1837 if test "${NS_IMPL_COCOA}" = "yes"; then
1838 AC_MSG_CHECKING([for OSX 10.6 or newer])
1839 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1841 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1842 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1845 error "OSX 10.6 or newer required";
1849 ns_osx_have_106=yes,
1851 AC_MSG_RESULT([$ns_osx_have_106])
1853 if test $ns_osx_have_106 = no; then
1854 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1859 AC_SUBST(LIBS_GNUSTEP)
1861 INSTALL_ARCH_INDEP_EXTRA=install-etc
1862 ns_self_contained=no
1865 if test "${HAVE_NS}" = yes; then
1866 if test "$with_toolkit_scroll_bars" = "no"; then
1867 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1870 window_system=nextstep
1871 # set up packaging dirs
1872 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1873 ns_self_contained=yes
1874 prefix=${ns_appresdir}
1875 exec_prefix=${ns_appbindir}
1876 dnl This one isn't really used, only archlibdir is.
1877 libexecdir="\${ns_appbindir}/libexec"
1878 archlibdir="\${ns_appbindir}/libexec"
1879 etcdocdir="\${ns_appresdir}/etc"
1880 etcdir="\${ns_appresdir}/etc"
1881 dnl FIXME maybe set datarootdir instead.
1882 dnl That would also get applications, icons, man.
1883 infodir="\${ns_appresdir}/info"
1884 mandir="\${ns_appresdir}/man"
1885 lispdir="\${ns_appresdir}/lisp"
1886 test "$locallisppathset" = no && locallisppath=""
1887 INSTALL_ARCH_INDEP_EXTRA=
1890 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1892 CFLAGS="$tmp_CFLAGS"
1893 CPPFLAGS="$tmp_CPPFLAGS"
1894 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1895 AC_SUBST(ns_self_contained)
1897 AC_SUBST(NS_OBJC_OBJ)
1908 if test "${with_w32}" != no; then
1911 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1912 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1913 cannot be found.])])
1916 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1919 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1924 if test "${opsys}" = "mingw32"; then
1925 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1926 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1927 #include <windows.h>
1928 #include <usp10.h>]],
1929 [[PIMAGE_NT_HEADERS pHeader;
1930 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1931 [emacs_cv_w32api=yes
1934 AC_MSG_RESULT($emacs_cv_w32api)
1935 if test "${emacs_cv_w32api}" = "no"; then
1936 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1947 if test "${HAVE_W32}" = "yes"; then
1948 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1949 if test "$with_toolkit_scroll_bars" = "no"; then
1950 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
1952 AC_CHECK_TOOL(WINDRES, [windres],
1953 [AC_MSG_ERROR([No resource compiler found.])])
1954 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1955 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1956 EMACSRES="emacs.res"
1957 case "$canonical" in
1958 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1959 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1961 dnl Construct something of the form "24,4,0,0" with 4 components.
1962 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1964 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1965 AC_SUBST(comma_version)
1966 AC_SUBST(comma_space_version)
1967 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1968 if test "${opsys}" = "cygwin"; then
1969 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1970 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1971 # Tell the linker that emacs.res is an object (which we compile from
1972 # the rc file), not a linker script.
1973 W32_RES_LINK="-Wl,emacs.res"
1975 UPDATE_MANIFEST=update-game-score.exe.manifest
1976 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1977 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1978 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1979 W32_RES_LINK="\$(EMACSRES)"
1980 CLIENTRES="emacsclient.res"
1981 CLIENTW="emacsclientw\$(EXEEXT)"
1982 FIRSTFILE_OBJ=firstfile.o
1985 LIBS_ECLIENT="-lcomctl32"
1986 LIB_WSOCK32="-lwsock32"
1987 NTLIB="ntlib.$ac_objext"
1988 XARGS_LIMIT="-s 10000"
1994 AC_SUBST(EMACS_MANIFEST)
1995 AC_SUBST(UPDATE_MANIFEST)
1998 AC_SUBST(W32_RES_LINK)
1999 AC_SUBST(FIRSTFILE_OBJ)
2002 AC_SUBST(LIBS_ECLIENT)
2003 AC_SUBST(LIB_WSOCK32)
2005 AC_SUBST(XARGS_LIMIT)
2007 if test "${HAVE_W32}" = "yes"; then
2012 ## $window_system is now set to the window system we will
2015 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
2016 # Too many warnings for now.
2018 nw="$nw -Wsuggest-attribute=noreturn"
2019 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
2021 gl_WARN_ADD([-Wno-unused-variable])
2022 gl_WARN_ADD([-Wno-unused-but-set-variable])
2023 gl_WARN_ADD([-Wno-unused-but-set-parameter])
2031 case "${window_system}" in
2036 case "${with_x_toolkit}" in
2037 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2038 motif ) USE_X_TOOLKIT=MOTIF ;;
2040 term_header=gtkutil.h
2041 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2042 dnl USE_X_TOOLKIT is set.
2043 USE_X_TOOLKIT=none ;;
2044 gtk2 ) with_gtk2=yes
2045 term_header=gtkutil.h
2046 USE_X_TOOLKIT=none ;;
2047 gtk3 ) with_gtk3=yes
2048 term_header=gtkutil.h
2049 USE_X_TOOLKIT=none ;;
2050 no ) USE_X_TOOLKIT=none ;;
2051 dnl If user did not say whether to use a toolkit, make this decision later:
2052 dnl use the toolkit if we have gtk, or X11R5 or newer.
2053 * ) USE_X_TOOLKIT=maybe ;;
2057 term_header=nsterm.h
2060 term_header=w32term.h
2064 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2065 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2066 if test "$HAVE_XSERVER" = true ||
2067 test -n "$DISPLAY" ||
2068 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2069 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2070 were found. You should install the relevant development files for X
2071 and for the toolkit you want, such as Gtk+ or Motif. Also make
2072 sure you have development files for image handling, i.e.
2073 tiff, gif, jpeg, png and xpm.
2074 If you are sure you want Emacs compiled without X window support, pass
2080 # Does the opsystem file prohibit the use of the GNU malloc?
2081 # Assume not, until told otherwise.
2085 [whether malloc is Doug Lea style],
2086 [emacs_cv_var_doug_lea_malloc],
2087 [emacs_cv_var_doug_lea_malloc=no
2088 dnl Hooks do not work with address sanitization.
2089 if test "$emacs_cv_sanitize_address" != yes; then
2092 [[#include <malloc.h>
2093 static void hook (void) {}]],
2094 [[malloc_set_state (malloc_get_state ());
2095 __after_morecore_hook = hook;
2096 __malloc_initialize_hook = hook;]])],
2097 [emacs_cv_var_doug_lea_malloc=yes])])
2099 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2101 system_malloc=$emacs_cv_sanitize_address
2106 ## darwin ld insists on the use of malloc routines in the System framework.
2107 darwin|mingw32|sol2-10) system_malloc=yes ;;
2108 cygwin) hybrid_malloc=yes;;
2112 if test "${system_malloc}" = "yes"; then
2113 AC_DEFINE([SYSTEM_MALLOC], 1,
2114 [Define to 1 to use the system memory allocator, even if it is not
2118 (The GNU allocators don't work with this system configuration.)"
2120 elif test "$hybrid_malloc" = yes; then
2121 AC_DEFINE(HYBRID_MALLOC, 1,
2122 [Define to use gmalloc before dumping and the system malloc after.])
2124 GNU_MALLOC_reason="only before dumping"
2125 GMALLOC_OBJ=gmalloc.o
2128 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2129 VMLIMIT_OBJ=vm-limit.o
2131 AC_CHECK_HEADERS([sys/vlimit.h])
2132 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2135 [[extern char data_start[]; char ch;]],
2136 [[return data_start < &ch;]])],
2137 [emacs_cv_data_start=yes],
2138 [emacs_cv_data_start=no])])
2139 if test $emacs_cv_data_start = yes; then
2140 AC_DEFINE([HAVE_DATA_START], 1,
2141 [Define to 1 if data_start is the address of the start
2142 of the main data segment.])
2145 AC_SUBST(GMALLOC_OBJ)
2146 AC_SUBST(VMLIMIT_OBJ)
2148 if test "$doug_lea_malloc" = "yes" ; then
2149 if test "$GNU_MALLOC" = yes ; then
2151 (Using Doug Lea's new malloc from the GNU C Library.)"
2153 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2154 [Define to 1 if the system memory allocator is Doug Lea style,
2155 with malloc hooks and malloc_set_state.])
2157 ## Use mmap directly for allocating larger buffers.
2158 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2159 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2160 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2162 mingw32|gnu*) REL_ALLOC=no ;;
2166 if test x"${REL_ALLOC}" = x; then
2167 REL_ALLOC=${GNU_MALLOC}
2170 use_mmap_for_buffers=no
2172 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2176 if test $use_mmap_for_buffers = yes; then
2177 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2181 LIBS="$LIBS_SYSTEM $LIBS"
2183 dnl FIXME replace main with a function we actually want from this library.
2184 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2186 dnl Check for the POSIX thread library.
2188 AC_CHECK_HEADERS_ONCE(pthread.h)
2189 if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then
2190 AC_CACHE_CHECK([for pthread library],
2191 [emacs_cv_pthread_lib],
2192 [emacs_cv_pthread_lib=no
2193 OLD_CPPFLAGS=$CPPFLAGS
2195 for emacs_pthread_lib in 'none needed' -lpthread; do
2196 case $emacs_pthread_lib in
2197 -*) LIBS="$OLD_LIBS $emacs_pthread_lib";;
2201 [[#include <pthread.h>
2203 sigset_t old_mask, new_mask;
2204 void noop (void) {}]],
2205 [[pthread_t th = pthread_self ();
2207 status += pthread_create (&th, 0, 0, 0);
2208 status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask);
2209 status += pthread_kill (th, 0);
2210 #if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \
2211 || defined DOUG_LEA_MALLOC)
2212 /* Test for pthread_atfork only if gmalloc uses it,
2213 as older-style hosts like MirBSD 10 lack it. */
2214 status += pthread_atfork (noop, noop, noop);
2217 [emacs_cv_pthread_lib=$emacs_pthread_lib])
2219 if test "$emacs_cv_pthread_lib" != no; then
2223 CPPFLAGS=$OLD_CPPFLAGS])
2224 if test "$emacs_cv_pthread_lib" != no; then
2225 AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.])
2226 case $emacs_cv_pthread_lib in
2227 -*) LIB_PTHREAD=$emacs_cv_pthread_lib;;
2229 ac_cv_func_pthread_sigmask=yes
2230 # Some systems optimize for single-threaded programs by default, and
2231 # need special flags to disable these optimizations. For example, the
2232 # definition of 'errno' in <errno.h>.
2235 AC_DEFINE([_REENTRANT], 1,
2236 [Define to 1 if your system requires this in multithreaded code.]);;
2238 AC_DEFINE([_THREAD_SAFE], 1,
2239 [Define to 1 if your system requires this in multithreaded code.]);;
2243 AC_SUBST([LIB_PTHREAD])
2245 dnl Check for need for bigtoc support on IBM AIX
2249 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2251 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2252 *) gdb_cv_bigtoc=-bbigtoc ;;
2255 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2256 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2261 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2262 # is for the tests that follow. We set them back later on.
2264 REAL_CFLAGS="$CFLAGS"
2265 REAL_CPPFLAGS="$CPPFLAGS"
2268 if test "${HAVE_X11}" = "yes"; then
2269 DEFS="$C_SWITCH_X_SITE $DEFS"
2270 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2272 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2273 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2275 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2276 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2277 # but it's more convenient here to set LD_RUN_PATH since this
2278 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2279 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2280 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2284 if test "${opsys}" = "gnu-linux"; then
2285 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2286 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2287 [[XOpenDisplay ("foo");]])],
2288 [xgnu_linux_first_failure=no],
2289 [xgnu_linux_first_failure=yes])
2290 if test "${xgnu_linux_first_failure}" = "yes"; then
2291 OLD_CPPFLAGS="$CPPFLAGS"
2293 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2294 LIBS="$LIBS -b i486-linuxaout"
2295 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2296 [[XOpenDisplay ("foo");]])],
2297 [xgnu_linux_second_failure=no],
2298 [xgnu_linux_second_failure=yes])
2299 if test "${xgnu_linux_second_failure}" = "yes"; then
2300 # If we get the same failure with -b, there is no use adding -b.
2301 # So leave it out. This plays safe.
2304 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2305 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2308 CPPFLAGS=$OLD_CPPFLAGS
2315 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2316 # header files included from there.
2317 AC_MSG_CHECKING(for Xkb)
2318 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2319 #include <X11/XKBlib.h>]],
2320 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2321 emacs_xkb=yes, emacs_xkb=no)
2322 AC_MSG_RESULT($emacs_xkb)
2323 if test $emacs_xkb = yes; then
2324 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2327 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2328 XScreenNumberOfScreen)
2331 if test "${window_system}" = "x11"; then
2332 AC_MSG_CHECKING(X11 version 6)
2333 AC_CACHE_VAL(emacs_cv_x11_version_6,
2334 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2335 [[#if XlibSpecificationRelease < 6
2338 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2339 if test $emacs_cv_x11_version_6 = yes; then
2340 AC_MSG_RESULT(6 or newer)
2341 AC_DEFINE(HAVE_X11R6, 1,
2342 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2343 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2344 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2348 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2349 [Define if you have usable X11R6-style XIM support.])
2353 AC_MSG_RESULT(before 6)
2358 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2360 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2361 if test "${with_rsvg}" != "no"; then
2362 RSVG_REQUIRED=2.11.0
2363 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2365 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2366 AC_SUBST(RSVG_CFLAGS)
2369 if test $HAVE_RSVG = yes; then
2370 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2371 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2372 # Windows loads librsvg dynamically
2373 if test "${opsys}" = "mingw32"; then
2381 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2382 if test "${with_imagemagick}" != "no"; then
2383 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2384 ## 6.8.2 makes Emacs crash; see Bug#13867.
2385 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2386 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2387 AC_SUBST(IMAGEMAGICK_CFLAGS)
2388 AC_SUBST(IMAGEMAGICK_LIBS)
2390 if test $HAVE_IMAGEMAGICK = yes; then
2391 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2394 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2395 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2396 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2406 gtk_term_header=$term_header
2409 if test "${opsys}" != "mingw32"; then
2410 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2413 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2415 dnl Checks for libraries.
2416 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2417 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2418 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2419 AC_MSG_ERROR($GTK_PKG_ERRORS)
2421 if test "$pkg_check_gtk" = "yes"; then
2422 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2423 GTK_OBJ=emacsgtkfixed.o
2424 gtk_term_header=gtkutil.h
2425 USE_GTK_TOOLKIT="GTK3"
2426 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2427 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2428 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2429 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2430 [Define to 1 to disable Glib deprecation warnings.])
2434 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2438 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2441 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2443 dnl Checks for libraries.
2444 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2445 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2446 if test "$pkg_check_gtk" = "no" &&
2447 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2449 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2451 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2458 if test x"$pkg_check_gtk" = xyes; then
2461 CFLAGS="$CFLAGS $GTK_CFLAGS"
2462 LIBS="$GTK_LIBS $LIBS"
2463 dnl Try to compile a simple GTK program.
2464 AC_MSG_CHECKING([whether GTK compiles])
2468 [[/* Check the Gtk and Glib APIs. */
2469 #include <gtk/gtk.h>
2470 #include <glib-object.h>
2472 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2476 GtkSettings *gs = 0;
2477 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2478 strict C prohibits this. Use gtk_main_iteration to test that the
2479 libraries are there. */
2480 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2481 0, 0, 0, G_CALLBACK (callback), 0))
2482 gtk_main_iteration ();
2485 AC_MSG_RESULT([$GTK_COMPILES])
2486 if test "${GTK_COMPILES}" != "yes"; then
2488 if test "$USE_X_TOOLKIT" != "maybe"; then
2489 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2492 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2494 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2495 GTK_OBJ="gtkutil.o $GTK_OBJ"
2496 term_header=$gtk_term_header
2498 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2501 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2502 closing open displays. This is no problem if you just use
2503 one display, but if you use more than one and close one of them
2513 if test "${HAVE_GTK}" = "yes"; then
2515 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2516 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2517 if test "$with_toolkit_scroll_bars" != no; then
2518 with_toolkit_scroll_bars=yes
2521 dnl Check if we have the old file selection dialog declared and
2522 dnl in the link library. In 2.x it may be in the library,
2523 dnl but not declared if deprecated featured has been selected out.
2524 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2525 HAVE_GTK_FILE_SELECTION=no
2526 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2527 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2528 #include <gtk/gtk.h>])
2529 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2530 AC_CHECK_FUNCS(gtk_file_selection_new)
2533 dnl Same as above for gtk_handle_box.
2534 HAVE_GTK_HANDLE_BOX=no
2535 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2536 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2537 #include <gtk/gtk.h>])
2538 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2539 AC_CHECK_FUNCS(gtk_handle_box_new)
2542 dnl Same as above for gtk_tearoff_menu_item.
2543 HAVE_GTK_TEAROFF_MENU_ITEM=no
2544 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2545 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2546 #include <gtk/gtk.h>])
2547 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2548 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2551 dnl Check for functions introduced in 2.14 and later.
2552 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2553 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2554 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2555 gtk_orientable_set_orientation \
2556 gtk_window_set_has_resize_grip)
2558 term_header=gtkutil.h
2564 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2565 dnl other platforms.
2568 if test "${with_dbus}" = "yes"; then
2569 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2570 if test "$HAVE_DBUS" = yes; then
2571 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2572 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2573 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2576 LIBS="$LIBS $DBUS_LIBS"
2577 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2578 dbus_type_is_valid \
2579 dbus_validate_bus_name \
2580 dbus_validate_path \
2581 dbus_validate_interface \
2582 dbus_validate_member)
2587 AC_SUBST(DBUS_CFLAGS)
2591 dnl GSettings has been tested under GNU/Linux only.
2593 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2594 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2595 if test "$HAVE_GSETTINGS" = "yes"; then
2597 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2599 LIBS="$LIBS $GSETTINGS_LIBS"
2600 AC_MSG_CHECKING([whether GSettings is in gio])
2603 [[/* Check that gsettings really is present. */
2604 #include <glib-object.h>
2605 #include <gio/gio.h>
2608 GSettings *settings;
2609 GVariant *val = g_settings_get_value (settings, "");
2611 [], HAVE_GSETTINGS=no)
2612 AC_MSG_RESULT([$HAVE_GSETTINGS])
2614 if test "$HAVE_GSETTINGS" = "yes"; then
2615 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2616 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2617 SETTINGS_LIBS="$GSETTINGS_LIBS"
2624 dnl GConf has been tested under GNU/Linux only.
2625 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2627 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2628 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2629 if test "$HAVE_GCONF" = yes; then
2630 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2631 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2632 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2633 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2637 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2638 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2639 if test "$HAVE_GOBJECT" = "yes"; then
2640 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2641 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2643 SAVE_CFLAGS="$CFLAGS"
2645 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2646 LIBS="$SETTINGS_LIBS $LIBS"
2647 CFLAGS="$SAVE_CFLAGS"
2650 AC_SUBST(SETTINGS_CFLAGS)
2651 AC_SUBST(SETTINGS_LIBS)
2654 dnl SELinux is available for GNU/Linux only.
2657 if test "${with_selinux}" = "yes"; then
2658 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2659 if test "$HAVE_LIBSELINUX" = yes; then
2660 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2661 LIBSELINUX_LIBS=-lselinux
2664 AC_SUBST(LIBSELINUX_LIBS)
2667 if test "${with_gnutls}" = "yes" ; then
2668 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2669 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2670 if test "${HAVE_GNUTLS}" = "yes"; then
2671 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2672 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2673 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2676 # Windows loads GnuTLS dynamically
2677 if test "${opsys}" = "mingw32"; then
2682 AC_SUBST(LIBGNUTLS_LIBS)
2683 AC_SUBST(LIBGNUTLS_CFLAGS)
2688 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2689 dnl a particular library. This doesn't make much sense?
2690 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2691 with_file_notification=no
2694 dnl MS Windows native file monitor is available for mingw32 only.
2695 case $with_file_notification,$opsys in
2697 AC_MSG_ERROR([`--with-file-notification=w32' was specified, but
2698 this is only supported on MS-Windows native and MinGW32 builds.
2699 Consider using gfile instead.])
2701 w32,* | yes,mingw32)
2702 AC_CHECK_HEADER(windows.h)
2703 if test "$ac_cv_header_windows_h" = yes ; then
2704 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2705 NOTIFY_OBJ=w32notify.o
2706 NOTIFY_SUMMARY="yes (w32)"
2710 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2711 dnl has been added in glib 2.24. It has been tested under
2712 dnl GNU/Linux only. We take precedence over inotify, but this makes
2713 dnl only sense when glib has been compiled with inotify support. How
2715 case $with_file_notification,$NOTIFY_OBJ in
2717 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2718 if test "$HAVE_GFILENOTIFY" = "yes"; then
2719 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2720 NOTIFY_OBJ=gfilenotify.o
2721 NOTIFY_SUMMARY="yes -lgio (gfile)"
2725 dnl inotify is only available on GNU/Linux.
2726 case $with_file_notification,$NOTIFY_OBJ in
2728 AC_CHECK_HEADER(sys/inotify.h)
2729 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2730 AC_CHECK_FUNC(inotify_init1)
2731 if test "$ac_cv_func_inotify_init1" = yes; then
2732 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2733 NOTIFY_OBJ=inotify.o
2734 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2739 case $with_file_notification,$NOTIFY_OBJ in
2740 yes,* | no,* | *,?*) ;;
2741 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2744 if test -n "$NOTIFY_OBJ"; then
2745 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2747 AC_SUBST(NOTIFY_OBJ)
2748 AC_SUBST(GFILENOTIFY_CFLAGS)
2749 AC_SUBST(GFILENOTIFY_LIBS)
2751 dnl Do not put whitespace before the #include statements below.
2752 dnl Older compilers (eg sunos4 cc) choke on it.
2755 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2756 if test "$with_xaw3d" != no; then
2757 AC_CACHE_VAL(emacs_cv_xaw3d,
2758 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2759 #include <X11/Intrinsic.h>
2760 #include <X11/Xaw3d/Simple.h>]],
2762 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2763 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2764 emacs_cv_xaw3d=no)])
2768 if test $emacs_cv_xaw3d = yes; then
2769 AC_MSG_CHECKING(for xaw3d)
2770 AC_MSG_RESULT([yes; using Lucid toolkit])
2774 AC_DEFINE(HAVE_XAW3D, 1,
2775 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2777 AC_MSG_CHECKING(for xaw3d)
2779 AC_MSG_CHECKING(for libXaw)
2780 AC_CACHE_VAL(emacs_cv_xaw,
2781 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2782 #include <X11/Intrinsic.h>
2783 #include <X11/Xaw/Simple.h>]],
2787 if test $emacs_cv_xaw = yes; then
2788 AC_MSG_RESULT([yes; using Lucid toolkit])
2791 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2792 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2794 AC_MSG_ERROR([No X toolkit could be found.
2795 If you are sure you want Emacs compiled without an X toolkit, pass
2797 to configure. Otherwise, install the development libraries for the toolkit
2798 that you want to use (e.g. Gtk+) and re-run configure.])
2803 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2807 if test "${USE_X_TOOLKIT}" != "none"; then
2808 AC_MSG_CHECKING(X11 toolkit version)
2809 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2810 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2811 [[#if XtSpecificationRelease < 6
2814 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2815 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2816 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2817 AC_MSG_RESULT(6 or newer)
2818 AC_DEFINE(HAVE_X11XTR6, 1,
2819 [Define to 1 if you have the X11R6 or newer version of Xt.])
2820 LIBXTR6="-lSM -lICE"
2822 ## Use libw.a along with X11R6 Xt.
2823 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2826 AC_MSG_RESULT(before 6)
2829 dnl If using toolkit, check whether libXmu.a exists.
2830 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2832 if test x$HAVE_X11XTR6 = xyes; then
2833 OTHERLIBS='-lXt -lSM -lICE'
2837 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2838 if test "X$LIBS" != "X$OLDLIBS"; then
2839 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2842 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2848 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2849 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2850 if test -d /usr/include/openmotif; then
2851 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2852 emacs_cv_openmotif=yes
2853 case "$canonical" in
2854 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2855 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2858 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2861 emacs_cv_openmotif=no
2863 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2864 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2865 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2868 Motif version prior to 2.1.
2870 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2871 if test $emacs_cv_motif_version_2_1 = yes; then
2872 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2873 if test x$emacs_cv_openmotif = xyes; then
2874 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2877 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2878 # We put this in CFLAGS temporarily to precede other -I options
2879 # that might be in CFLAGS temporarily.
2880 # We put this in CPPFLAGS where it precedes the other -I options.
2881 OLD_CPPFLAGS=$CPPFLAGS
2883 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2884 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2885 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2887 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2888 if test $emacs_cv_lesstif = yes; then
2889 # Make sure this -I option remains in CPPFLAGS after it is set
2890 # back to REAL_CPPFLAGS.
2891 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2892 # have those other -I options anyway. Ultimately, having this
2893 # directory ultimately in CPPFLAGS will be enough.
2894 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2895 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2898 CPPFLAGS=$OLD_CPPFLAGS
2901 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2902 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2905 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2906 dnl using Motif or Xaw3d is available, and unless
2907 dnl --with-toolkit-scroll-bars=no was specified.
2909 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2910 [Define to 1 if we should use toolkit scroll bars.])dnl
2911 USE_TOOLKIT_SCROLL_BARS=no
2912 if test "${with_toolkit_scroll_bars}" != "no"; then
2913 if test "${USE_X_TOOLKIT}" != "none"; then
2914 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2915 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2917 USE_TOOLKIT_SCROLL_BARS=yes
2918 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2919 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2920 USE_TOOLKIT_SCROLL_BARS=yes
2922 elif test "${HAVE_GTK}" = "yes"; then
2923 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2924 USE_TOOLKIT_SCROLL_BARS=yes
2925 elif test "${HAVE_NS}" = "yes"; then
2926 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2927 USE_TOOLKIT_SCROLL_BARS=yes
2928 elif test "${HAVE_W32}" = "yes"; then
2929 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2930 USE_TOOLKIT_SCROLL_BARS=yes
2934 dnl See if XIM is available.
2935 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2936 #include <X11/Xlib.h>
2937 #include <X11/Xresource.h>]],
2938 [[XIMProc callback;]])],
2940 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2943 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2945 if test "${with_xim}" != "no"; then
2946 AC_DEFINE(USE_XIM, 1,
2947 [Define to 1 if we should use XIM, if it is available.])
2951 if test "${HAVE_XIM}" != "no"; then
2953 if test "$GCC" = yes; then
2954 CFLAGS="$CFLAGS --pedantic-errors"
2956 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2957 #include <X11/Xlib.h>
2958 #include <X11/Xresource.h>]],
2964 XPointer *client_data;
2966 /* If we're not using GCC, it's probably not XFree86, and this is
2967 probably right, but we can't use something like --pedantic-errors. */
2968 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2969 char*, XIMProc, XPointer*);
2971 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2973 [emacs_cv_arg6_star=yes])
2974 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2975 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2976 either XPointer or XPointer*.])dnl
2977 if test "$emacs_cv_arg6_star" = yes; then
2978 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2980 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2985 ### Start of font-backend (under any platform) section.
2986 # (nothing here yet -- this is a placeholder)
2987 ### End of font-backend (under any platform) section.
2989 ### Start of font-backend (under X11) section.
2990 if test "${HAVE_X11}" = "yes"; then
2991 ## Use -lXft if available, unless `--with-xft=no'.
2993 if test "x${with_x}" = "xno"; then
2997 if test "$with_xft" != no; then
2998 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2999 with_xft=$HAVE_FONTCONFIG
3002 if test "x${with_xft}" != "xno"; then
3004 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
3005 ## Because xftfont.c uses XRenderQueryExtension, we also
3006 ## need to link to -lXrender.
3008 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
3009 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
3010 OLD_CPPFLAGS="$CPPFLAGS"
3011 OLD_CFLAGS="$CFLAGS"
3013 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3014 CFLAGS="$CFLAGS $XFT_CFLAGS"
3015 XFT_LIBS="-lXrender $XFT_LIBS"
3016 LIBS="$XFT_LIBS $LIBS"
3017 AC_CHECK_HEADER(X11/Xft/Xft.h,
3018 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3019 [[#include <X11/X.h>]])
3021 if test "${HAVE_XFT}" = "yes"; then
3022 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3024 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3025 fi # "${HAVE_XFT}" = "yes"
3026 CPPFLAGS=$OLD_CPPFLAGS
3029 fi # "$HAVE_XFT" != no
3030 fi # "x${with_xft}" != "xno"
3032 ## We used to allow building with FreeType and without Xft.
3033 ## However, the ftx font backend driver is not in good shape.
3034 if test "$HAVE_XFT" != "yes"; then
3035 dnl For the "Does Emacs use" message at the end.
3039 dnl Strict linkers fail with
3040 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3041 dnl if -lfreetype is not specified.
3042 dnl The following is needed to set FREETYPE_LIBS.
3043 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3045 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3049 if test "${HAVE_FREETYPE}" = "yes"; then
3050 AC_DEFINE(HAVE_FREETYPE, 1,
3051 [Define to 1 if using the freetype and fontconfig libraries.])
3052 if test "${with_libotf}" != "no"; then
3053 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3054 if test "$HAVE_LIBOTF" = "yes"; then
3055 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3056 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3057 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3058 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3059 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3060 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3061 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3065 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3066 dnl Does the new font backend require it, or can it work without it?
3070 if test "${HAVE_LIBOTF}" = yes; then
3071 if test "${with_m17n_flt}" != "no"; then
3072 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3073 if test "$HAVE_M17N_FLT" = "yes"; then
3074 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3085 ### End of font-backend (under X11) section.
3087 AC_SUBST(FREETYPE_CFLAGS)
3088 AC_SUBST(FREETYPE_LIBS)
3089 AC_SUBST(FONTCONFIG_CFLAGS)
3090 AC_SUBST(FONTCONFIG_LIBS)
3091 AC_SUBST(LIBOTF_CFLAGS)
3092 AC_SUBST(LIBOTF_LIBS)
3093 AC_SUBST(M17N_FLT_CFLAGS)
3094 AC_SUBST(M17N_FLT_LIBS)
3096 ### Use -lXpm if available, unless `--with-xpm=no'.
3097 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3098 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3099 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3100 ### LDFLAGS) accordingly.
3103 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3104 if test "${with_xpm}" != "no"; then
3105 SAVE_CPPFLAGS="$CPPFLAGS"
3106 SAVE_LDFLAGS="$LDFLAGS"
3107 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3108 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3109 AC_CHECK_HEADER(X11/xpm.h,
3110 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3111 if test "${HAVE_XPM}" = "yes"; then
3112 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3113 AC_EGREP_CPP(no_return_alloc_pixels,
3114 [#include "X11/xpm.h"
3115 #ifndef XpmReturnAllocPixels
3116 no_return_alloc_pixels
3118 ], HAVE_XPM=no, HAVE_XPM=yes)
3120 if test "${HAVE_XPM}" = "yes"; then
3121 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3125 CPPFLAGS="$SAVE_CPPFLAGS"
3126 LDFLAGS="$SAVE_LDFLAGS"
3131 if test "${HAVE_XPM}" = "yes"; then
3132 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3137 if test "${HAVE_X11}" = "yes"; then
3138 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3139 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3141 if test "${with_xpm}" != "no"; then
3142 AC_CHECK_HEADER(X11/xpm.h,
3143 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3144 if test "${HAVE_XPM}" = "yes"; then
3145 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3146 AC_EGREP_CPP(no_return_alloc_pixels,
3147 [#include "X11/xpm.h"
3148 #ifndef XpmReturnAllocPixels
3149 no_return_alloc_pixels
3151 ], HAVE_XPM=no, HAVE_XPM=yes)
3153 if test "${HAVE_XPM}" = "yes"; then
3161 if test "${HAVE_XPM}" = "yes"; then
3162 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3164 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3165 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3170 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3171 ### slightly different requirements wrt image libraries (it doesn't
3172 ### use -lXpm because it loads the xpm shared library dynamically at
3174 if test "${opsys}" = "mingw32"; then
3175 if test "${with_xpm}" != "no"; then
3176 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3180 if test "${HAVE_XPM}" = "yes"; then
3181 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3187 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3188 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3191 if test "${opsys}" = "mingw32"; then
3192 if test "${with_jpeg}" != "no"; then
3193 dnl Checking for jpeglib.h can lose because of a redefinition of
3195 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3197 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3198 if test "${HAVE_JPEG}" = "yes"; then
3199 AC_DEFINE(HAVE_JPEG)
3200 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3201 [#include <jpeglib.h>
3202 version=JPEG_LIB_VERSION
3204 [AC_DEFINE(HAVE_JPEG)],
3205 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3208 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3209 if test "${with_jpeg}" != "no"; then
3210 dnl Checking for jpeglib.h can lose because of a redefinition of
3212 AC_CHECK_HEADER(jerror.h,
3213 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3216 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3217 if test "${HAVE_JPEG}" = "yes"; then
3218 AC_DEFINE(HAVE_JPEG)
3219 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3220 [#include <jpeglib.h>
3221 version=JPEG_LIB_VERSION
3223 [AC_DEFINE(HAVE_JPEG)],
3224 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3227 if test "${HAVE_JPEG}" = "yes"; then
3235 if test "${with_zlib}" != "no"; then
3237 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3239 case $ac_cv_search_inflateEnd in
3240 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3243 if test "${HAVE_ZLIB}" = "yes"; then
3244 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3245 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3246 if test "${opsys}" = "mingw32"; then
3252 ### Use -lpng if available, unless `--with-png=no'.
3256 if test "${NS_IMPL_COCOA}" = yes; then
3258 elif test "${with_png}" != no; then
3259 # mingw32 loads the library dynamically.
3260 if test "$opsys" = mingw32; then
3261 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3262 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3263 AC_MSG_CHECKING([for png])
3264 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3265 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3266 # libpng-config does not work; configure by hand.
3267 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3268 # in /usr/include/libpng.
3269 if test -r /usr/include/libpng/png.h &&
3270 test ! -r /usr/include/png.h; then
3271 png_cflags=-I/usr/include/libpng
3279 CFLAGS="$CFLAGS $png_cflags"
3280 LIBS="$png_libs -lz -lm $LIBS"
3282 [AC_LANG_PROGRAM([[#include <png.h>]],
3283 [[return !png_get_channels (0, 0);]])],
3285 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3287 # $LIBPNG requires explicit -lz in some cases.
3288 # We don't know what those cases are, exactly, so play it safe and
3289 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3290 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3291 LIBPNG="$LIBPNG -lz"
3295 AC_MSG_RESULT([$HAVE_PNG])
3298 if test $HAVE_PNG = yes; then
3299 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3302 CFLAGS="$CFLAGS $PNG_CFLAGS"
3303 AC_CHECK_DECL([png_longjmp],
3305 [AC_DEFINE([PNG_DEPSTRUCT], [],
3306 [Define to empty to suppress deprecation warnings when building
3307 with --enable-gcc-warnings and with libpng versions before 1.5,
3308 which lack png_longjmp.])],
3314 AC_SUBST(PNG_CFLAGS)
3316 ### Use -ltiff if available, unless `--with-tiff=no'.
3317 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3320 if test "${opsys}" = "mingw32"; then
3321 if test "${with_tiff}" != "no"; then
3322 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3324 if test "${HAVE_TIFF}" = "yes"; then
3325 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3327 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3328 if test "${with_tiff}" != "no"; then
3329 AC_CHECK_HEADER(tiffio.h,
3331 # At least one tiff package requires the jpeg library.
3332 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3333 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3336 if test "${HAVE_TIFF}" = "yes"; then
3337 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3338 dnl FIXME -lz -lm, as per libpng?
3344 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3345 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3348 if test "${opsys}" = "mingw32"; then
3349 if test "${with_gif}" != "no"; then
3350 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3352 if test "${HAVE_GIF}" = "yes"; then
3353 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3355 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3356 || test "${HAVE_W32}" = "yes"; then
3357 AC_CHECK_HEADER(gif_lib.h,
3358 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3359 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3360 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3361 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3363 if test "$HAVE_GIF" = yes; then
3365 elif test "$HAVE_GIF" = maybe; then
3366 # If gif_lib.h but no libgif, try libungif.
3367 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3368 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3371 if test "${HAVE_GIF}" = "yes"; then
3372 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3377 dnl Check for required libraries.
3378 if test "${HAVE_X11}" = "yes"; then
3381 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3382 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3383 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3384 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3385 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3386 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3387 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3388 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3389 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3390 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3392 if test "X${MISSING}" != X; then
3393 AC_MSG_ERROR([The following required libraries were not found:
3395 Maybe some development libraries/packages are missing?
3396 If you don't want to link with them give
3398 as options to configure])
3402 ### Use -lgpm if available, unless `--with-gpm=no'.
3405 if test "${with_gpm}" != "no"; then
3406 AC_CHECK_HEADER(gpm.h,
3407 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3409 if test "${HAVE_GPM}" = "yes"; then
3410 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3416 dnl Check for malloc/malloc.h on darwin
3417 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3420 ### Use NeXTstep API to implement GUI.
3421 if test "${HAVE_NS}" = "yes"; then
3422 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3423 if test "${NS_IMPL_COCOA}" = "yes"; then
3424 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3426 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3427 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3428 if test $NS_GNUSTEP_CONFIG != yes; then
3429 # See also .m.o rule in src/Makefile.in. */
3430 # FIXME: are all these flags really needed? Document here why. */
3431 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3432 ## Extra CFLAGS applied to src/*.m files.
3433 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3439 ### Use session management (-lSM -lICE) if available
3442 if test "${HAVE_X11}" = "yes"; then
3443 AC_CHECK_HEADER(X11/SM/SMlib.h,
3444 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3446 if test "${HAVE_X_SM}" = "yes"; then
3447 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3453 ### Use XRandr (-lXrandr) if available
3455 if test "${HAVE_X11}" = "yes"; then
3456 XRANDR_REQUIRED=1.2.2
3457 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3458 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3459 if test $HAVE_XRANDR = no; then
3460 # Test old way in case pkg-config doesn't have it (older machines).
3461 # Include Xrender.h by hand to work around bug in older Xrandr.h
3462 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3463 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3464 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3465 [], [AC_INCLUDES_DEFAULT
3466 #include <X11/extensions/Xrender.h>])
3467 if test $HAVE_XRANDR = yes; then
3468 XRANDR_LIBS=-lXrandr
3471 if test $HAVE_XRANDR = yes; then
3472 SAVE_CFLAGS="$CFLAGS"
3474 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3475 LIBS="$XRANDR_LIBS $LIBS"
3476 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3477 CFLAGS="$SAVE_CFLAGS"
3480 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3483 AC_SUBST(XRANDR_CFLAGS)
3484 AC_SUBST(XRANDR_LIBS)
3486 ### Use Xinerama (-lXinerama) if available
3488 if test "${HAVE_X11}" = "yes"; then
3489 XINERAMA_REQUIRED=1.0.2
3490 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3491 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3492 if test $HAVE_XINERAMA = no; then
3493 # Test old way in case pkg-config doesn't have it (older machines).
3494 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3495 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3496 if test $HAVE_XINERAMA = yes; then
3497 XINERAMA_LIBS=-lXinerama
3500 if test $HAVE_XINERAMA = yes; then
3501 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3504 AC_SUBST(XINERAMA_CFLAGS)
3505 AC_SUBST(XINERAMA_LIBS)
3507 ### Use Xfixes (-lXfixes) if available
3509 if test "${HAVE_X11}" = "yes"; then
3510 XFIXES_REQUIRED=4.0.0
3511 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3512 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3513 if test $HAVE_XFIXES = no; then
3514 # Test old way in case pkg-config doesn't have it (older machines).
3515 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3516 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3517 if test $HAVE_XFIXES = yes; then
3518 XFIXES_LIBS=-lXfixes
3521 if test $HAVE_XFIXES = yes; then
3522 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3525 AC_SUBST(XFIXES_CFLAGS)
3526 AC_SUBST(XFIXES_LIBS)
3528 ### Use libxml (-lxml2) if available
3529 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3531 if test "${with_xml2}" != "no"; then
3532 ### I'm not sure what the version number should be, so I just guessed.
3533 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3534 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3535 if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
3536 SAVE_CPPFLAGS="$CPPFLAGS"
3537 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3538 AC_CHECK_HEADER(libxml/HTMLparser.h,
3539 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3540 [#include <libxml/HTMLparser.h>])])
3541 CPPFLAGS="$SAVE_CPPFLAGS"
3542 if test "${HAVE_LIBXML2}" = "yes"; then
3543 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3544 LIBXML2_LIBS="-lxml2"
3547 if test "${HAVE_LIBXML2}" = "yes"; then
3548 if test "${opsys}" != "mingw32"; then
3549 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no,
3554 if test "${HAVE_LIBXML2}" = "yes"; then
3555 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3562 AC_SUBST(LIBXML2_LIBS)
3563 AC_SUBST(LIBXML2_CFLAGS)
3565 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3566 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3567 if test "${opsys}" = "mingw32"; then
3568 emacs_cv_netdb_declares_h_errno=yes
3570 AC_CACHE_CHECK(whether netdb declares h_errno,
3571 emacs_cv_netdb_declares_h_errno,
3572 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3573 [[return h_errno;]])],
3574 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3575 if test $emacs_cv_netdb_declares_h_errno = yes; then
3576 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3579 # Check for mail-locking functions in a "mail" library. Probably this should
3580 # have the same check as for liblockfile below.
3581 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3582 if test $have_mail = yes; then
3584 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3587 LIBS="$LIBS_MAIL $LIBS"
3588 AC_CHECK_FUNCS(touchlock)
3593 dnl Debian, at least:
3594 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3595 if test $have_lockfile = yes; then
3596 LIBS_MAIL=-llockfile
3597 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3599 # If we have the shared liblockfile, assume we must use it for mail
3600 # locking (e.g. Debian). If we couldn't link against liblockfile
3601 # (no liblockfile.a installed), ensure that we don't need to.
3602 dnl This works for files generally, not just executables.
3603 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3604 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3605 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3606 if test $ac_cv_prog_liblockfile = yes; then
3607 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3608 This probably means that movemail could lose mail.
3609 There may be a `development' package to install containing liblockfile.])
3612 AC_CHECK_HEADERS_ONCE(maillock.h)
3615 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3616 ## interlock access to the mail spool. The alternative is a lock file named
3617 ## /usr/spool/mail/$USER.lock.
3620 aix4-2) mail_lock="lockf" ;;
3622 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3624 ## On GNU/Linux systems, both methods are used by various mail programs.
3625 ## I assume most people are using newer mailers that have heard of flock.
3626 ## Change this if you need to.
3627 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3628 ## configure gets the right answers, and that means *NOT* using flock.
3629 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3630 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3631 ## Debian maintainer hasn't provided a clean fix for Emacs.
3632 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3633 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3634 ## correct logic. -- fx
3635 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3636 ## liblockfile is a Free Software replacement for libmail, used on
3637 ## Debian systems and elsewhere. -rfr.
3640 if test $have_mail = yes || test $have_lockfile = yes; then
3641 test $ac_cv_header_maillock_h = yes && mail_lock=no
3646 mail_lock="none-needed" ;;
3650 case "$mail_lock" in
3651 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3653 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3657 *) BLESSMAIL_TARGET="need-blessmail" ;;
3659 AC_SUBST(BLESSMAIL_TARGET)
3662 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3663 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3664 getrusage get_current_dir_name \
3665 lrand48 random rint \
3666 select getpagesize setlocale newlocale \
3667 getrlimit setrlimit shutdown getaddrinfo \
3668 pthread_sigmask strsignal setitimer \
3669 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3671 getpwent endpwent getgrent endgrent \
3672 cfmakeraw cfsetspeed copysign __executable_start log2)
3675 dnl No need to check for aligned_alloc and posix_memalign if using
3676 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3677 dnl Don't use these functions on Darwin as they are incompatible with
3679 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3680 && test "$opsys" != darwin; then
3681 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3684 dnl Cannot use AC_CHECK_FUNCS
3685 AC_CACHE_CHECK([for __builtin_unwind_init],
3686 emacs_cv_func___builtin_unwind_init,
3687 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3688 emacs_cv_func___builtin_unwind_init=yes,
3689 emacs_cv_func___builtin_unwind_init=no)])
3690 if test $emacs_cv_func___builtin_unwind_init = yes; then
3691 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3692 [Define to 1 if you have the `__builtin_unwind_init' function.])
3695 AC_CHECK_HEADERS_ONCE(sys/un.h)
3700 AC_CHECK_FUNCS(grantpt)
3702 # PTY-related GNU extensions.
3703 AC_CHECK_FUNCS(getpt posix_openpt)
3705 # Check this now, so that we will NOT find the above functions in ncurses.
3706 # That is because we have not set up to link ncurses in lib-src.
3707 # It's better to believe a function is not available
3708 # than to expect to find it in ncurses.
3709 # Also we need tputs and friends to be able to build at all.
3710 AC_MSG_CHECKING([for library containing tputs])
3711 # Run a test program that contains a call to tputs, a call that is
3712 # never executed. This tests whether a pre-'main' dynamic linker
3713 # works with the library. It's too much trouble to actually call
3714 # tputs in the test program, due to portability hassles. When
3715 # cross-compiling, assume the test program will run if it links.
3716 AC_DEFUN([tputs_link_source], [
3718 [[extern void tputs (const char *, int, int (*)(int));
3719 int main (int argc, char **argv)
3722 tputs (argv[0], 0, 0);
3726 if test "${opsys}" = "mingw32"; then
3729 # Maybe curses should be tried earlier?
3730 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3731 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3733 if test -z "$tputs_library"; then
3737 LIBS_TERMCAP=-l$tputs_library
3739 LIBS="$LIBS_TERMCAP $LIBS"
3741 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3742 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3744 if test "X$msg" != Xno; then
3749 AC_MSG_RESULT([$msg])
3750 if test "X$msg" = Xno; then
3751 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3752 The following libraries were tried (in order):
3753 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3754 Please try installing whichever of these libraries is most appropriate
3755 for your system, together with its header files.
3756 For example, a libncurses-dev(el) or similar package.])
3759 ## Use termcap instead of terminfo?
3760 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3762 ## FIXME? In the cases below where we unconditionally set
3763 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3764 ## if that was found above to have tputs.
3765 ## Should we use the gnu* logic everywhere?
3767 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3768 ## The ncurses library has been moved out of the System framework in
3769 ## Mac OS X 10.2. So if configure detects it, set the command-line
3770 ## option to use it.
3771 darwin) LIBS_TERMCAP="-lncurses" ;;
3773 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3776 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3777 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3778 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3779 [[#if __FreeBSD_version < 400000
3782 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3784 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3786 if test $emacs_cv_freebsd_terminfo = yes; then
3787 LIBS_TERMCAP="-lncurses"
3790 LIBS_TERMCAP="-ltermcap"
3800 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3802 LIBS_TERMCAP="-ltermcap"
3806 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3808 ## hpux: Make sure we get select from libc rather than from libcurses
3809 ## because libcurses on HPUX 10.10 has a broken version of select.
3810 ## We used to use -lc -lcurses, but this may be cleaner.
3811 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3812 # set that way, now it uses the default). Isn't this a contradiction?
3813 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3817 TERMCAP_OBJ=tparam.o
3818 if test $TERMINFO = yes; then
3819 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3820 TERMCAP_OBJ=terminfo.o
3822 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3823 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3825 AC_SUBST(LIBS_TERMCAP)
3826 AC_SUBST(TERMCAP_OBJ)
3828 # GNU/Linux-specific timer functions.
3829 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3831 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3833 [[timerfd_create (CLOCK_REALTIME,
3834 TFD_CLOEXEC | TFD_NONBLOCK);
3835 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3836 [emacs_cv_have_timerfd=yes],
3837 [emacs_cv_have_timerfd=no])])
3838 if test "$emacs_cv_have_timerfd" = yes; then
3839 AC_DEFINE([HAVE_TIMERFD], 1,
3840 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3843 # Alternate stack for signal handlers.
3844 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3845 [emacs_cv_alternate_stack],
3847 [AC_LANG_PROGRAM([[#include <signal.h>
3850 struct sigaction sa;
3851 ss.ss_sp = malloc (SIGSTKSZ);
3852 ss.ss_size = SIGSTKSZ;
3853 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3854 sigaltstack (&ss, 0);
3855 sigaction (SIGSEGV, &sa, 0);]])],
3856 [emacs_cv_alternate_stack=yes],
3857 [emacs_cv_alternate_stack=no])])
3859 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3860 # On Darwin, res_init appears not to be useful: see bug#562 and
3861 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3864 if test $opsys != darwin; then
3866 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3867 #include <arpa/nameser.h>
3868 #include <resolv.h>]],
3869 [[return res_init();]])],
3870 have_res_init=yes, have_res_init=no)
3871 if test "$have_res_init" = no; then
3873 LIBS="$LIBS -lresolv"
3874 AC_MSG_CHECKING(for res_init with -lresolv)
3875 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3876 #include <arpa/nameser.h>
3877 #include <resolv.h>]],
3878 [[return res_init();]])],
3879 have_res_init=yes, have_res_init=no)
3880 AC_MSG_RESULT($have_res_init)
3881 if test "$have_res_init" = yes ; then
3887 if test "$have_res_init" = yes; then
3888 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3892 # Do we need the Hesiod library to provide the support routines?
3893 dnl FIXME? Should we be skipping this on Darwin too?
3895 if test "$with_hesiod" != no ; then
3896 # Don't set $LIBS here -- see comments above. FIXME which comments?
3897 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3898 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3899 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3900 if test "$resolv" = yes ; then
3905 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3906 hesiod=yes, :, $RESOLVLIB)])
3908 if test x"$hesiod" = xyes; then
3914 # Do we need libresolv (due to res_init or Hesiod)?
3915 if test "$resolv" = yes && test $opsys != darwin; then
3922 # These tell us which Kerberos-related libraries to use.
3929 if test "${with_kerberos}" != no; then
3931 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3932 if test $have_com_err = yes; then
3933 COM_ERRLIB=-lcom_err
3934 LIBS="$COM_ERRLIB $LIBS"
3936 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3937 if test $have_crypto = yes; then
3939 LIBS="$CRYPTOLIB $LIBS"
3941 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3942 if test $have_k5crypto = yes; then
3943 CRYPTOLIB=-lk5crypto
3944 LIBS="$CRYPTOLIB $LIBS"
3946 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3947 if test $have_krb5=yes; then
3949 LIBS="$KRB5LIB $LIBS"
3951 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3952 if test "${with_kerberos5}" = no; then
3953 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3954 if test $have_des425 = yes; then
3956 LIBS="$DESLIB $LIBS"
3958 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3959 if test $have_des = yes; then
3961 LIBS="$DESLIB $LIBS"
3964 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3965 if test $have_krb4 = yes; then
3967 LIBS="$KRB4LIB $LIBS"
3969 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3970 if test $have_krb = yes; then
3972 LIBS="$KRB4LIB $LIBS"
3977 if test "${with_kerberos5}" != no; then
3978 AC_CHECK_HEADERS(krb5.h,
3979 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3980 [#include <krb5.h>])])
3982 AC_CHECK_HEADERS(krb.h,,
3983 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3984 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3986 AC_CHECK_HEADERS(com_err.h)
3990 AC_SUBST(COM_ERRLIB)
3996 AC_CHECK_HEADERS(valgrind/valgrind.h)
3998 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
4001 AC_CHECK_FUNC(socket, , ok_so_far=no)
4002 if test $ok_so_far = yes; then
4003 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4005 if test $ok_so_far = yes; then
4006 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4008 if test $ok_so_far = yes; then
4009 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4010 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4011 [Define to 1 if you have inet sockets.])
4016 AC_CHECK_FUNCS(snprintf)
4018 dnl Check for glib. This differs from other library checks in that
4019 dnl Emacs need not link to glib unless some other library is already
4020 dnl linking to glib. Although glib provides no facilities that Emacs
4021 dnl needs for its own purposes, when glib is present Emacs needs to
4022 dnl use primitives like g_main_context_query to avoid clashing with
4023 dnl glib at a low level.
4025 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4029 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4030 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4031 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
4032 LIBS="$LIBS $GFILENOTIFY_LIBS"
4033 AC_MSG_CHECKING([whether GLib is linked in])
4034 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4037 [[g_print ("Hello world");]])],
4040 AC_MSG_RESULT([$links_glib])
4041 if test "${links_glib}" = "yes"; then
4042 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4043 if test "$HAVE_NS" = no;then
4051 dnl Adapted from Haible's version.
4052 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4053 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4054 [[char* cs = nl_langinfo(CODESET);]])],
4055 emacs_cv_langinfo_codeset=yes,
4056 emacs_cv_langinfo_codeset=no)
4058 if test $emacs_cv_langinfo_codeset = yes; then
4059 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4060 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4065 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4066 dnl how the tty code is related to POSIX and/or other versions of termios.
4067 dnl The following looks like a useful start.
4069 dnl AC_SYS_POSIX_TERMIOS
4070 dnl if test $ac_cv_sys_posix_termios = yes; then
4071 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4072 dnl and macros for terminal control.])
4073 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4076 dnl Turned on June 1996 supposing nobody will mind it.
4077 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4078 if test "${opsys}" != "mingw32"; then
4079 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4080 in the full name stands for the login id.])
4083 dnl Everybody supports this, except MS.
4084 dnl Seems like the kind of thing we should be testing for, though.
4085 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4086 if test "${opsys}" != "mingw32"; then
4087 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4090 dnl Everybody supports this, except MS-DOS.
4091 dnl Seems like the kind of thing we should be testing for, though.
4092 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4093 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4094 4.2-compatible sockets.])
4096 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4098 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4099 a null file, or a data sink.])
4100 if test "${opsys}" = "mingw32"; then
4101 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4103 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4106 if test "${opsys}" = "mingw32"; then
4111 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4112 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4113 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4114 dnl decides that a command-line argument to be passed to a MinGW program
4115 dnl is a PATH-style list of directories. But that heuristics plays it
4116 dnl safe, and only does the replacement when it is _absolutely_ sure it
4117 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4118 dnl which breaks in-tree builds. So we do this manually instead.
4119 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4120 dnl be computed as ':' in MSYS Bash.
4123 dnl Everybody supports this, except MS-DOS.
4124 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4126 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4129 AC_DEFINE(DIRECTORY_SEP, ['/'],
4130 [Character that separates directories in a file name.])
4132 if test "${opsys}" = "mingw32"; then
4133 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4134 [Returns true if character is a device separator.])
4136 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4137 [Returns true if character is a directory separator.])
4139 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4140 [Returns true if character is any form of separator.])
4142 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4143 [Returns true if character is a device separator.])
4145 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4146 [Returns true if character is a directory separator.])
4148 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4149 [Returns true if character is any form of separator.])
4152 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4156 dnl Unfortunately without libXmu we cannot support EditRes.
4157 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4158 AC_DEFINE(NO_EDITRES, 1)
4163 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4164 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4165 AC_DEFINE(NO_EDITRES, 1)
4171 irix6-5 | sol2* | unixware )
4172 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4173 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4174 dnl need the constant to dimension an array. So wire in the appropriate
4176 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4180 emacs_broken_SIGIO=no
4183 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4184 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4185 hpux* | irix6-5 | openbsd | sol2* | unixware )
4186 emacs_broken_SIGIO=yes
4190 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4191 dnl the way this system works, libc functions that return malloced
4192 dnl memory use the libc malloc implementation. Calling xfree or
4193 dnl xrealloc on the results of such functions results in a crash.
4195 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4196 dnl but that does not currently work on this system.
4198 dnl It is possible to completely override the malloc implementation on
4199 dnl AIX, but that involves putting the malloc functions in a shared
4200 dnl library and setting the MALLOCTYPE environment variable to point to
4201 dnl that shared library.
4203 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4204 dnl to avoid a crash just use the Emacs implementation for that function.
4206 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4207 dnl of this file, so that we do not check for get_current_dir_name
4208 dnl on AIX. But that might be fragile if something else ends
4209 dnl up testing for get_current_dir_name as a dependency.
4210 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4211 get_current_dir_name should not be used.])
4215 dnl Circumvent a bug in FreeBSD. In the following sequence of
4216 dnl writes/reads on a PTY, read(2) returns bogus data:
4218 dnl write(2) 1022 bytes
4219 dnl write(2) 954 bytes, get EAGAIN
4220 dnl read(2) 1024 bytes in process_read_output
4221 dnl read(2) 11 bytes in process_read_output
4223 dnl That is, read(2) returns more bytes than have ever been written
4224 dnl successfully. The 1033 bytes read are the 1022 bytes written
4225 dnl successfully after processing (for example with CRs added if the
4226 dnl terminal is set up that way which it is here). The same bytes will
4227 dnl be seen again in a later read(2), without the CRs.
4228 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4229 work around an issue when reading from a PTY.])
4235 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4236 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4241 darwin | dragonfly | freebsd | netbsd | openbsd )
4242 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4243 close a pty to make it a controlling terminal (it is already a
4244 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4248 dnl FIXME Surely we can test for this rather than hard-code it.
4250 netbsd | openbsd) sound_device="/dev/audio" ;;
4251 *) sound_device="/dev/dsp" ;;
4255 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4256 [Name of the default sound device.])
4259 dnl Emacs can read input using SIGIO and buffering characters itself,
4260 dnl or using CBREAK mode and making C-g cause SIGINT.
4261 dnl The choice is controlled by the variable interrupt_input.
4263 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4265 dnl Emacs uses the presence of the USABLE_SIGIO macro
4266 dnl to indicate whether or not signal-driven I/O is possible. It uses
4267 dnl INTERRUPT_INPUT to decide whether to use it by default.
4269 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4270 dnl CBREAK mode has two disadvantages
4271 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4272 dnl I hear that in system V this problem does not exist.
4273 dnl 2) Control-G causes output to be discarded.
4274 dnl I do not know whether this can be fixed in system V.
4276 dnl Another method of doing input is planned but not implemented.
4277 dnl It would have Emacs fork off a separate process
4278 dnl to read the input and send it to the true Emacs process
4281 darwin | gnu-linux | gnu-kfreebsd )
4282 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4287 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4288 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4289 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4290 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4291 dnl taking float or double parameters.
4293 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4294 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4295 file defines `NeedWidePrototypes' as `NO'.])
4300 dnl Used in process.c, this must be a loop, even if it only runs once.
4301 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4302 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4303 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4304 dnl trying suffixes 0-16.
4305 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4306 first PTY, if PTYs are supported.])
4307 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4308 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4309 end of a PTY, if non-standard.])
4310 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4311 end of a PTY, if non-standard.])
4315 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4316 dnl You allocate a pty by opening /dev/ptc to get the master side.
4317 dnl To get the name of the slave side, you just ttyname() the master side.
4318 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4319 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4323 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4324 dnl multi-line AC_DEFINEs are hard. :(
4325 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)])
4326 AC_DEFINE(PTY_NAME_SPRINTF, [])
4327 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4330 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4332 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4333 dnl Not used, because PTY_ITERATION is defined.
4334 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4335 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4336 dnl But we don't have to block SIGCHLD because it is blocked in the
4337 dnl implementation of grantpt.
4338 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4339 AC_DEFINE(PTY_NAME_SPRINTF, [])
4340 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4344 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4347 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4349 if test "x$ac_cv_func_grantpt" = xyes; then
4350 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4351 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4352 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4353 dnl to prevent sigchld_handler from intercepting the child's death.
4354 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); }])
4355 dnl if HAVE_POSIX_OPENPT
4356 if test "x$ac_cv_func_posix_openpt" = xyes; then
4357 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4358 AC_DEFINE(PTY_NAME_SPRINTF, [])
4360 elif test "x$ac_cv_func_getpt" = xyes; then
4361 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4362 AC_DEFINE(PTY_NAME_SPRINTF, [])
4364 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4367 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4372 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4373 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4374 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4378 dnl It looks like this cannot be right, because it is not a loop.
4379 dnl However, process.c actually does this:
4385 dnl which presumably makes it OK, since irix == sgi (?).
4386 dnl FIXME it seems like this special treatment is unnecessary?
4387 dnl Why can't irix use a single-trip loop like eg cygwin?
4388 AC_DEFINE(PTY_ITERATION, [])
4389 dnl Not used, because PTY_ITERATION is defined.
4390 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4391 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); }])
4392 dnl No need to get the pty name at all.
4393 AC_DEFINE(PTY_NAME_SPRINTF, [])
4394 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4395 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4399 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4400 dnl from intercepting that death. If any child but grantpt's should die
4401 dnl within, it should be caught after sigrelse(2).
4402 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); }])
4406 dnl Comments are as per sol2*.
4407 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); }])
4414 dnl This change means that we don't loop through allocate_pty too
4415 dnl many times in the (rare) event of a failure.
4416 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4417 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4418 dnl Push various streams modules onto a PTY channel. Used in process.c.
4419 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.])
4424 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4425 "typing" a signal character on the pty.])
4428 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4429 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4430 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4431 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4434 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4435 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4436 gnu-linux | gnu-kfreebsd )
4438 AC_MSG_CHECKING([for signals via characters])
4439 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4440 #include <linux/version.h>
4441 #if LINUX_VERSION_CODE < 0x20400
4442 # error "Linux version too old"
4444 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4446 AC_MSG_RESULT([$emacs_signals_via_chars])
4447 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4452 AH_TEMPLATE(TAB3, [Undocumented.])
4455 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4457 gnu | dragonfly | freebsd | netbsd | openbsd )
4458 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4459 AC_DEFINE(TAB3, OXTABS)
4462 gnu-linux | gnu-kfreebsd )
4463 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4467 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4468 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4469 [Mark a secondary stack, like the register stack on the ia64.]), [])
4473 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4474 run_time_remap; for HPUX.])
4479 dnl This won't be used automatically yet. We also need to know, at least,
4480 dnl that the stack is continuous.
4481 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4482 registers relevant for conservative garbage collection in the jmp_buf.])
4486 dnl Not all the architectures are tested, but there are Debian packages
4487 dnl for SCM and/or Guile on them, so the technique must work. See also
4488 dnl comments in alloc.c concerning setjmp and gcc.
4489 dnl Fixme: it's probably safe to just use the GCC conditional below.
4490 gnu-linux | gnu-kfreebsd )
4491 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4492 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4493 || defined __alpha__ || defined __mips__ || defined __s390__ \
4494 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4495 || defined __ia64__ || defined __sh__
4498 # error "setjmp not known to work on this arch"
4500 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4505 if test x$GCC = xyes; then
4506 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4507 AC_DEFINE(GC_SETJMP_WORKS, 1)
4510 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4511 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4512 AC_DEFINE(GC_SETJMP_WORKS, 1)
4517 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4518 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4521 [[#include <setjmp.h>
4523 # define _longjmp longjmp
4528 _longjmp (j, 1);]])],
4529 [emacs_cv_func__setjmp=yes],
4530 [emacs_cv_func__setjmp=no])])
4531 if test $emacs_cv_func__setjmp = yes; then
4532 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4535 # We need to preserve signal mask to handle C stack overflows.
4536 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4539 [[#include <setjmp.h>
4542 if (! sigsetjmp (j, 1))
4543 siglongjmp (j, 1);]])],
4544 [emacs_cv_func_sigsetjmp=yes],
4545 [emacs_cv_func_sigsetjmp=no])])
4546 if test $emacs_cv_func_sigsetjmp = yes; then
4547 AC_DEFINE([HAVE_SIGSETJMP], 1,
4548 [Define to 1 if sigsetjmp and siglongjmp work.])
4551 # We need all of these features to handle C stack overflows.
4552 if test "$ac_cv_header_sys_resource_h" = "yes" &&
4553 test "$ac_cv_func_getrlimit" = "yes" &&
4554 test "$emacs_cv_func_sigsetjmp" = "yes" &&
4555 test "$emacs_cv_alternate_stack" = yes; then
4556 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4557 [Define to 1 if C stack overflow can be handled in some cases.])
4562 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4563 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4564 dnl and this is all we need.
4565 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4572 dnl Used in xfaces.c.
4573 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4574 some systems, where it requires time.h.])
4579 dnl Define symbols to identify the version of Unix this is.
4580 dnl Define all the symbols that apply correctly.
4581 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4582 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4583 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4584 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4589 dnl This symbol should be defined on AIX Version 3 ???????
4590 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4592 # error "_AIX not defined"
4594 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4598 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4602 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4603 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4604 dnl distinguish OS X from pure Darwin.
4605 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4608 gnu-linux | gnu-kfreebsd )
4610 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4615 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4620 AC_DEFINE(USG5_4, [])
4621 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4625 AC_DEFINE(DOS_NT, [])
4626 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4627 if test "x$ac_enable_checking" != "x" ; then
4628 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4634 AC_DEFINE(USG5_4, [])
4635 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4640 AC_DEFINE(USG5_4, [])
4644 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4647 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4648 emacs_cv_usable_FIONREAD=no
4652 emacs_cv_usable_FIONREAD=yes
4657 [AC_LANG_PROGRAM([[#include <sys/types.h>
4658 #include <sys/ioctl.h>
4660 # include <sys/filio.h>
4663 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4664 [emacs_cv_usable_FIONREAD=yes],
4665 [emacs_cv_usable_FIONREAD=no])
4668 if test $emacs_cv_usable_FIONREAD = yes; then
4669 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4671 if test $emacs_broken_SIGIO = no; then
4672 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4674 [AC_LANG_PROGRAM([[#include <fcntl.h>
4677 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4678 [emacs_cv_usable_SIGIO=yes],
4679 [emacs_cv_usable_SIGIO=no])],
4680 [emacs_cv_usable_SIGIO=yes],
4681 [emacs_cv_usable_SIGIO=no])
4682 if test $emacs_cv_usable_SIGIO = yes; then
4683 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4690 dnl It works to open the pty's tty in the parent (Emacs), then
4691 dnl close and reopen it in the child.
4692 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4693 works to open a pty's tty in the parent process, then close and
4694 reopen it in the child.])
4698 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4699 use VSUSP instead of VSWTCH.])
4703 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4708 # Set up the CFLAGS for real compilation, so we can substitute it.
4709 CFLAGS="$REAL_CFLAGS"
4710 CPPFLAGS="$REAL_CPPFLAGS"
4713 ## Hack to detect a buggy GCC version.
4714 if test "x$GCC" = xyes \
4715 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4716 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4717 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4718 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4721 version=$PACKAGE_VERSION
4723 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4724 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4725 [Short copyright string for this version of Emacs.])
4728 ### Specify what sort of things we'll be editing into Makefile and config.h.
4729 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4731 AC_SUBST(configuration)
4736 AC_SUBST(exec_prefix)
4739 AC_SUBST(sharedstatedir)
4740 AC_SUBST(libexecdir)
4744 AC_SUBST(standardlisppath)
4745 AC_SUBST(locallisppath)
4747 AC_SUBST(x_default_search_path)
4749 AC_SUBST(archlibdir)
4755 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4756 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4757 ## end of LIBX_BASE, but nothing ever set it.
4758 AC_SUBST(LD_SWITCH_X_SITE)
4759 AC_SUBST(C_SWITCH_X_SITE)
4760 AC_SUBST(GNUSTEP_CFLAGS)
4762 ## Used in lwlib/Makefile.in.
4763 AC_SUBST(X_TOOLKIT_TYPE)
4765 AC_SUBST(ns_appbindir)
4766 AC_SUBST(ns_appresdir)
4768 AC_SUBST(GNU_OBJC_CFLAGS)
4769 AC_SUBST(OTHER_FILES)
4771 if test -n "${term_header}"; then
4772 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4773 [Define to the header for the built-in window system.])
4776 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4777 [Define to the canonical Emacs configuration name.])
4778 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4779 [Define to the options passed to configure.])
4780 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4781 define this to include extra configuration information.])
4785 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4792 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4793 AC_DEFINE(HAVE_X_WINDOWS, 1,
4794 [Define to 1 if you want to use the X window system.])
4796 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4798 if test "$HAVE_XFT" = "yes"; then
4799 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4800 elif test "$HAVE_FREETYPE" = "yes"; then
4801 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4811 if test "${USE_X_TOOLKIT}" != "none" ; then
4813 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4814 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4815 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4816 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4817 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4821 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4822 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4826 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4827 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4828 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4832 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4833 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4836 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4839 AC_SUBST(WIDGET_OBJ)
4842 case "$USE_X_TOOLKIT" in
4843 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4844 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4845 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4847 AC_SUBST(TOOLKIT_LIBW)
4849 if test "${opsys}" != "mingw32"; then
4850 if test "$USE_X_TOOLKIT" = "none"; then
4851 LIBXT_OTHER="\$(LIBXSM)"
4853 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4856 AC_SUBST(LIBXT_OTHER)
4858 if test "${HAVE_X11}" = "yes" ; then
4859 AC_DEFINE(HAVE_X11, 1,
4860 [Define to 1 if you want to use version 11 of X windows.])
4861 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4865 AC_SUBST(LIBX_OTHER)
4867 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4869 elif test "$USE_X_TOOLKIT" = none; then
4870 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4872 LIBXMENU='$(lwlibdir)/liblw.a'
4876 AC_CACHE_CHECK([for struct alignment],
4877 [emacs_cv_struct_alignment],
4879 [AC_LANG_PROGRAM([[#include <stddef.h>
4880 struct __attribute__ ((aligned (8))) s { char c; };
4881 struct t { char c; struct s s; };
4882 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4884 [emacs_cv_struct_alignment=yes],
4885 [emacs_cv_struct_alignment=no])])
4886 if test "$emacs_cv_struct_alignment" = yes; then
4887 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4888 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4889 structure to an N-byte boundary.])
4892 if test "${GNU_MALLOC}" = "yes" ; then
4893 AC_DEFINE(GNU_MALLOC, 1,
4894 [Define to 1 if you want to use the GNU memory allocator.])
4898 if test "${REL_ALLOC}" = "yes" ; then
4899 AC_DEFINE(REL_ALLOC, 1,
4900 [Define REL_ALLOC if you want to use the relocating allocator for
4903 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4905 AC_SUBST(RALLOC_OBJ)
4907 if test "$opsys" = "cygwin"; then
4908 CYGWIN_OBJ="sheap.o cygw32.o"
4909 ## Cygwin differs because of its unexec().
4911 POST_ALLOC_OBJ=lastfile.o
4912 elif test "$opsys" = "mingw32"; then
4915 POST_ALLOC_OBJ=lastfile.o
4918 PRE_ALLOC_OBJ=lastfile.o
4921 AC_SUBST(CYGWIN_OBJ)
4922 AC_SUBST(PRE_ALLOC_OBJ)
4923 AC_SUBST(POST_ALLOC_OBJ)
4925 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4926 dnl verbatim defined above. The tricky name is apropos, as this hack
4927 dnl makes Fortify go sour!
4928 AH_VERBATIM([FORTIFY_SOUR],
4929 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4930 The workaround disables some useful run-time checking, so it
4931 should be conditional to the platforms with the performance bug.
4932 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4933 #if defined __APPLE__ && defined __GNUC__
4934 # ifndef _DONT_USE_CTYPE_INLINE_
4935 # define _DONT_USE_CTYPE_INLINE_
4937 # ifndef _FORTIFY_SOURCE
4938 # define _FORTIFY_SOURCE 0
4943 # If user asks to omit features, disable optional features that gnulib
4944 # might otherwise enable.
4945 if test "$with_features" = no && test "$enable_acl" != yes; then
4949 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4950 # it temporarily reverts them to their pre-pkg-config values,
4951 # because gnulib needs to work with both src (which uses the
4952 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4953 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4954 # and it therefore needs to run in an environment where LIBS does not
4955 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4956 # for some package unrelated to lib-src.
4959 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4960 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4961 gl_ASSERT_NO_GNULIB_POSIXCHECK
4962 gl_ASSERT_NO_GNULIB_TESTS
4967 if test "${opsys}" = "mingw32"; then
4968 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4969 # Remove unneeded switches from the value of CC that goes to Makefiles
4970 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4974 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4976 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4979 ## The -headerpad option tells ld (see man page) to leave room at the
4980 ## end of the header for adding load commands. Needed for dumping.
4981 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4982 ## architecture (where they are 78 bytes each). The actual number of
4983 ## load commands added is not consistent but normally ranges from
4984 ## about 14 to about 34. Setting it high gets us plenty of slop and
4985 ## only costs about 1.5K of wasted binary space.
4986 headerpad_extra=1000
4987 if test "$HAVE_NS" = "yes"; then
4988 libs_nsgui="-framework AppKit"
4989 if test "$NS_IMPL_COCOA" = "yes"; then
4990 libs_nsgui="$libs_nsgui -framework IOKit"
4995 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4997 ## This is here because src/Makefile.in did some extra fiddling around
4998 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4999 ## LD_SWITCH_SYSTEM_TEMACS instead,
5000 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
5001 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5004 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5005 ## find X at run-time.
5006 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5007 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5008 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5009 ## had different values in configure (in ac_link) and src/Makefile.in.
5010 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5011 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5014 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5015 case "$canonical" in
5016 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5017 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5021 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
5023 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5026 if test x$ac_enable_profiling != x ; then
5028 *freebsd | gnu-linux) ;;
5029 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5033 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5035 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5037 ## Common for all window systems
5038 if test "$window_system" != "none"; then
5039 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5040 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5041 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5044 AC_SUBST(WINDOW_SYSTEM_OBJ)
5046 AH_TOP([/* GNU Emacs site configuration template file.
5048 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
5049 Free Software Foundation, Inc.
5051 This file is part of GNU Emacs.
5053 GNU Emacs is free software: you can redistribute it and/or modify
5054 it under the terms of the GNU General Public License as published by
5055 the Free Software Foundation, either version 3 of the License, or
5056 (at your option) any later version.
5058 GNU Emacs is distributed in the hope that it will be useful,
5059 but WITHOUT ANY WARRANTY; without even the implied warranty of
5060 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5061 GNU General Public License for more details.
5063 You should have received a copy of the GNU General Public License
5064 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5067 /* No code in Emacs #includes config.h twice, but some bits of code
5068 intended to work with other packages as well (like gmalloc.c)
5069 think they can include it as many times as they like. */
5070 #ifndef EMACS_CONFIG_H
5071 #define EMACS_CONFIG_H
5074 AH_BOTTOM([#include <conf_post.h>
5076 #endif /* EMACS_CONFIG_H */
5085 #### Report on what we decided to do.
5086 #### Report GTK as a toolkit, even if it doesn't use Xt.
5087 #### It makes printing result more understandable as using GTK sets
5088 #### toolkit_scroll_bars to yes by default.
5089 if test "${HAVE_GTK}" = "yes"; then
5090 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5093 if test $USE_ACL -ne 0; then
5094 ACL_SUMMARY="yes $LIB_ACL"
5100 Configured for \`${canonical}'.
5102 Where should the build process find the source code? ${srcdir}
5103 What compiler should emacs be built with? ${CC} ${CFLAGS}
5104 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5105 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5106 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5107 What window system should Emacs use? ${window_system}
5108 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5110 if test -n "${x_includes}"; then
5111 echo " Where do we find X Windows header files? ${x_includes}"
5113 echo " Where do we find X Windows header files? Standard dirs"
5115 if test -n "${x_libraries}"; then
5116 echo " Where do we find X Windows libraries? ${x_libraries}"
5118 echo " Where do we find X Windows libraries? Standard dirs"
5122 emacs_config_features=
5123 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5124 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5128 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5129 *) eval val=\${HAVE_$opt} ;;
5131 test x"$val" = xno && continue
5132 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5135 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5136 [Summary of some of the main features enabled by configure.])
5138 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5139 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5140 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5141 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5142 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5143 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5144 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5145 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5147 echo " Does Emacs support sound? ${HAVE_SOUND}"
5149 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5150 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5151 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5152 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5153 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5154 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5155 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5156 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5157 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5159 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5160 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5161 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5162 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5163 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5165 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5168 if test -n "${EMACSDATA}"; then
5169 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5171 if test -n "${EMACSDOC}"; then
5172 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5177 if test "$HAVE_NS" = "yes"; then
5179 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5180 The installed application will go to nextstep/Emacs.app and can be
5181 run or moved from there."
5182 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5183 echo "The application will be fully self-contained."
5185 echo "The lisp resources for the application will be installed under ${prefix}.
5186 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5187 to run if these resources are not installed."
5192 if test "${opsys}" = "cygwin"; then
5194 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5200 # Remove any trailing slashes in these variables.
5201 [test "${prefix}" != NONE &&
5202 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5203 test "${exec_prefix}" != NONE &&
5204 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5206 if test "$HAVE_NS" = "yes"; then
5207 if test "$NS_IMPL_GNUSTEP" = yes; then
5208 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5209 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5210 ns_check_file=Resources/Info-gnustep.plist
5212 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5213 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5214 ns_check_file=Contents/Info.plist
5216 AC_SUBST(ns_check_file)
5219 dnl config.status treats $srcdir specially, so I think this is ok...
5220 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5222 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5223 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5224 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5225 dnl (else you get "no `Makefile.am' found for any configure output").
5226 dnl This will work, but you get a config.status that is not quite right
5227 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5228 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5229 dnl it seems better to just live with the duplication.
5230 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5232 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5233 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5234 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5235 leim/Makefile nextstep/Makefile nt/Makefile])
5237 dnl test/ is not present in release tarfiles.
5238 opt_makefile=test/automated/Makefile
5240 if test -f "$srcdir/$opt_makefile.in"; then
5241 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5242 dnl Again, it's best not to use a variable. Though you can add
5243 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5244 AC_CONFIG_FILES([test/automated/Makefile])
5248 dnl The admin/ directory used to be excluded from tarfiles.
5249 if test -d $srcdir/admin; then
5250 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5251 AC_CONFIG_FILES([admin/unidata/Makefile])
5252 AC_CONFIG_FILES([admin/grammars/Makefile])
5256 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5258 AC_SUBST(SUBDIR_MAKEFILES_IN)
5260 dnl You might wonder (I did) why epaths.h is generated by running make,
5261 dnl rather than just letting configure generate it from epaths.in.
5262 dnl One reason is that the various paths are not fully expanded (see above);
5263 dnl eg gamedir=${prefix}/var/games/emacs.
5264 dnl Secondly, the GNU Coding standards require that one should be able
5265 dnl to run `make prefix=/some/where/else' and override the values set
5266 dnl by configure. This also explains the `move-if-change' test and
5267 dnl the use of force in the `epaths-force' rule in Makefile.in.
5268 AC_CONFIG_COMMANDS([src/epaths.h], [
5269 if test "${opsys}" = "mingw32"; then
5270 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5272 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5273 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5274 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5276 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5277 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5279 AC_CONFIG_COMMANDS([src/.gdbinit], [
5280 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5281 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5285 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5286 dnl See comments for etc-refcards-emacsver.tex.
5287 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5288 dnl it is not quite the same. But we are generating in $srcdir.
5289 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5290 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5291 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5294 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5295 dnl then a directory etc/refcards is created in the build directory,
5296 dnl which is probably harmless, but confusing (in out-of-tree builds).
5297 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5298 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5299 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5300 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5301 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5306 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])