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 OPTION_DEFAULT_OFF([xwidgets],[enable use of some gtk widgets it Emacs buffers])
379 ## For the times when you want to build Emacs but don't have
380 ## a suitable makeinfo, and can live without the manuals.
381 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
382 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
384 ## This might be a 'configure' arg.
385 AC_SUBST([ACLOCAL_PATH])
387 ## Makefile.in needs the cache file name.
390 ## This is an option because I do not know if all info/man support
391 ## compressed files, nor how to test if they do so.
392 OPTION_DEFAULT_ON([compress-install],
393 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
394 make GZIP_PROG= install])
396 AC_ARG_WITH(gameuser,dnl
397 [AS_HELP_STRING([--with-gameuser=USER_OR_GROUP],
398 [user for shared game score files.
399 An argument prefixed by ':' specifies a group instead.])])
402 case ${with_gameuser} in
405 AC_MSG_CHECKING([whether a 'games' user exists])
406 if id -u games >/dev/null 2>&1; then
413 :*) gamegroup=`echo "${with_gameuser}" | sed -e "s/://"` ;;
414 *) gameuser=${with_gameuser} ;;
417 AC_ARG_WITH([gnustep-conf],dnl
418 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
419 [name of GNUstep configuration file to use on systems where the command
420 'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or
421 /etc/GNUstep/GNUstep.conf])])
422 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
423 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
424 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
425 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
427 AC_ARG_ENABLE(ns-self-contained,
428 [AS_HELP_STRING([--disable-ns-self-contained],
429 [disable self contained build under NeXTstep])],
430 EN_NS_SELF_CONTAINED=$enableval,
431 EN_NS_SELF_CONTAINED=yes)
433 AC_ARG_ENABLE(locallisppath,
434 [AS_HELP_STRING([--enable-locallisppath=PATH],
435 [directories Emacs should search for lisp files specific
437 if test "${enableval}" = "no"; then
439 elif test "${enableval}" != "yes"; then
440 locallisppath=${enableval}
443 AC_ARG_ENABLE(checking,
444 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
445 [enable expensive run-time checks. With LIST,
446 enable only specific categories of checks.
447 Categories are: all,yes,no.
448 Flags are: stringbytes, stringoverrun, stringfreelist,
449 xmallocoverrun, conslist, glyphs])],
450 [ac_checking_flags="${enableval}"],[])
451 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
452 for check in $ac_checking_flags
455 # these set all the flags to specific states
456 yes) ac_enable_checking=1 ;;
457 no) ac_enable_checking= ;
458 ac_gc_check_stringbytes= ;
459 ac_gc_check_string_overrun= ;
460 ac_gc_check_string_free_list= ;
461 ac_xmalloc_overrun= ;
462 ac_gc_check_cons_list= ;
464 all) ac_enable_checking=1 ;
465 ac_gc_check_stringbytes=1 ;
466 ac_gc_check_string_overrun=1 ;
467 ac_gc_check_string_free_list=1 ;
468 ac_xmalloc_overrun=1 ;
469 ac_gc_check_cons_list=1 ;
471 # these enable particular checks
472 stringbytes) ac_gc_check_stringbytes=1 ;;
473 stringoverrun) ac_gc_check_string_overrun=1 ;;
474 stringfreelist) ac_gc_check_string_free_list=1 ;;
475 xmallocoverrun) ac_xmalloc_overrun=1 ;;
476 conslist) ac_gc_check_cons_list=1 ;;
477 glyphs) ac_glyphs_debug=1 ;;
478 *) AC_MSG_ERROR(unknown check category $check) ;;
483 if test x$ac_enable_checking != x ; then
484 AC_DEFINE(ENABLE_CHECKING, 1,
485 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
487 if test x$ac_gc_check_stringbytes != x ; then
488 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
489 [Define this temporarily to hunt a bug. If defined, the size of
490 strings is redundantly recorded in sdata structures so that it can
491 be compared to the sizes recorded in Lisp strings.])
493 if test x$ac_gc_check_string_overrun != x ; then
494 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
495 [Define this to check for short string overrun.])
497 if test x$ac_gc_check_string_free_list != x ; then
498 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
499 [Define this to check the string free list.])
501 if test x$ac_xmalloc_overrun != x ; then
502 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
503 [Define this to check for malloc buffer overrun.])
505 if test x$ac_gc_check_cons_list != x ; then
506 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
507 [Define this to check for errors in cons list.])
509 if test x$ac_glyphs_debug != x ; then
510 AC_DEFINE(GLYPH_DEBUG, 1,
511 [Define this to enable glyphs debugging code.])
514 AC_ARG_ENABLE(check-lisp-object-type,
515 [AS_HELP_STRING([--enable-check-lisp-object-type],
516 [enable compile time checks for the Lisp_Object data type.
517 This is useful for development for catching certain types of bugs.])],
518 if test "${enableval}" != "no"; then
519 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
520 [Define this to enable compile time checks for the Lisp_Object data type.])
524 dnl The name of this option is unfortunate. It predates, and has no
525 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
526 dnl Actually, it stops it working.
527 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
528 AC_ARG_ENABLE(profiling,
529 [AS_HELP_STRING([--enable-profiling],
530 [build emacs with low-level, gprof profiling support.
531 Mainly useful for debugging Emacs itself. May not work on
532 all platforms. Stops profiler.el working.])],
533 [ac_enable_profiling="${enableval}"],[])
534 if test x$ac_enable_profiling != x ; then
535 PROFILING_CFLAGS="-DPROFILING=1 -pg"
539 AC_SUBST(PROFILING_CFLAGS)
541 AC_ARG_ENABLE(autodepend,
542 [AS_HELP_STRING([--enable-autodepend],
543 [automatically generate dependencies to .h-files.
544 Requires gcc, enabled if found.])],
545 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
547 AC_ARG_ENABLE(gtk-deprecation-warnings,
548 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
549 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
550 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
552 dnl This used to use changequote, but, apart from `changequote is evil'
553 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
554 dnl the great gob of text. Thus it's not processed for possible expansion.
555 dnl Just make sure the brackets remain balanced.
557 dnl Since Emacs can't find matching pairs of quotes, boundaries are
558 dnl indicated by comments.
562 ### If you add support for a new configuration, add code to this
563 ### switch statement to recognize your configuration name and select
564 ### the appropriate opsys.
566 ### As far as handling version numbers on operating systems is
567 ### concerned, make sure things will fail in a fixable way. If
568 ### /etc/MACHINES doesn't say anything about version numbers, be
569 ### prepared to handle anything reasonably. If version numbers
570 ### matter, be sure /etc/MACHINES says something about it.
573 case "${canonical}" in
575 ## GNU/Linux and similar ports
590 ## FreeBSD kernel + glibc based userland
601 *-*-openbsd* | *-*-mirbsd* )
605 ## Apple Darwin / Mac OS X
607 case "${canonical}" in
608 *-apple-darwin[0-9].*) unported=yes ;;
609 i[3456]86-* | x86_64-* ) ;;
613 ## Use fink packages if available.
614 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
615 ## if test -d /sw/include && test -d /sw/lib; then
616 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
617 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
626 ## HP 9000 series 700 and 800, running HP/UX
630 hppa*-hp-hpux1[1-9]* )
632 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
636 rs6000-ibm-aix4.[23]* )
639 powerpc-ibm-aix4.[23]* )
642 rs6000-ibm-aix[56]* )
645 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
649 ## Silicon Graphics machines
653 # Without defining _LANGUAGE_C, things get masked out in the headers
654 # so that, for instance, grepping for `free' in stdlib.h fails and
655 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
656 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
661 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
662 | x86_64-*-solaris2* | x86_64-*-sunos5*)
663 case "${canonical}" in
665 amd64-*-*|x86_64-*-*) ;;
669 case "${canonical}" in
670 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
672 emacs_check_sunpro_c=yes
674 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
675 ## Note that Emacs 23.1's NEWS said the following would be dropped.
676 *-sunos5.6* | *-solaris2.6* )
680 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
681 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
683 emacs_check_sunpro_c=yes
686 ## Watch out for a compiler that we know will not work.
687 case "${canonical}" in
688 *-solaris* | *-sunos5* )
689 if [ "x$CC" = x/usr/ucb/cc ]; then
690 ## /usr/ucb/cc doesn't work;
691 ## we should find some other compiler that does work.
699 ## Intel 386 machines where we don't care about the manufacturer.
701 case "${canonical}" in
702 *-darwin* ) opsys=darwin ;;
705 # MinGW overrides and adds some system headers in nt/inc.
706 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
708 *-sysv4.2uw* ) opsys=unixware ;;
709 *-sysv5uw* ) opsys=unixware ;;
710 *-sysv5OpenUNIX* ) opsys=unixware ;;
711 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
717 case "${canonical}" in
720 # MinGW overrides and adds some system headers in nt/inc.
721 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
723 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
732 ### If the code above didn't choose an operating system, just choose
733 ### an operating system based on the configuration name. You really
734 ### only want to use this when you have no idea what the right
735 ### operating system is; if you know what operating systems a machine
736 ### runs, it's cleaner to make it explicit in the case statement
738 if test x"${opsys}" = x; then
739 case "${canonical}" in
740 *-gnu* ) opsys=gnu ;;
750 if test $unported = yes; then
751 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
752 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
753 Check `etc/MACHINES' for recognized configuration names.])
756 #### Choose a compiler.
758 dnl Don't bother to test for C89.
759 AC_DEFUN([_AC_PROG_CC_C89], [$2])
761 dnl Sets GCC=yes if using gcc.
762 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
763 if test -n "$XCRUN"; then
764 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
765 test -n "$AR" && export AR
768 dnl Emacs needs C99 or later.
773 if test x$GCC = xyes; then
774 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
776 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
779 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
780 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
781 dnl that clash with MinGW.
782 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
784 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
785 AC_DEFUN([gl_CRYPTO_CHECK])
786 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
787 # as we don't use them.
788 AC_DEFUN([gl_FCNTL_O_FLAGS])
790 # Initialize gnulib right after choosing the compiler.
791 dnl Amongst other things, this sets AR and ARFLAGS.
794 if test "$ac_test_CFLAGS" != set; then
795 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
796 # if -g3 works and the user does not specify CFLAGS.
797 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
800 emacs_g3_CFLAGS='-g3';;
802 emacs_g3_CFLAGS='-g3 -O2';;
806 if test -n "$emacs_g3_CFLAGS"; then
807 emacs_save_CFLAGS=$CFLAGS
808 CFLAGS=$emacs_g3_CFLAGS
809 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
810 [emacs_cv_prog_cc_g3],
811 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
812 [emacs_cv_prog_cc_g3=yes],
813 [emacs_cv_prog_cc_g3=no])])
814 if test $emacs_cv_prog_cc_g3 != yes; then
815 CFLAGS=$emacs_save_CFLAGS
817 if test $opsys = mingw32; then
818 CFLAGS="$CFLAGS -gdwarf-2"
825 # No optimization flag was inferred for this non-GCC compiler.
826 # Try -O. This is needed for xlc on AIX; see Bug#14258.
827 emacs_save_CFLAGS=$CFLAGS
828 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
830 AC_CACHE_CHECK([whether $CC accepts -O],
831 [emacs_cv_prog_cc_o],
832 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
833 [emacs_cv_prog_cc_o=yes],
834 [emacs_cv_prog_cc_o=no])])
835 if test $emacs_cv_prog_cc_o != yes; then
836 CFLAGS=$emacs_save_CFLAGS
841 AC_ARG_ENABLE([gcc-warnings],
842 [AS_HELP_STRING([--enable-gcc-warnings],
843 [turn on lots of GCC warnings/errors. This is intended for
844 developers, and may generate false alarms when used
845 with older or non-GNU development tools.])],
848 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
850 gl_gcc_warnings=$enableval],
854 # clang is unduly picky about some things.
855 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
862 [emacs_cv_clang=yes],
863 [emacs_cv_clang=no])])
865 # When compiling with GCC, prefer -isystem to -I when including system
866 # include files, to avoid generating useless diagnostics for the files.
867 if test "$gl_gcc_warnings" != yes; then
869 if test "$emacs_cv_clang" = yes
871 # Turn off some warnings if supported.
872 gl_WARN_ADD([-Wno-switch])
873 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
874 gl_WARN_ADD([-Wno-pointer-sign])
875 gl_WARN_ADD([-Wno-string-plus-int])
880 # This, $nw, is the list of warnings we disable.
883 case $with_x_toolkit in
884 lucid | athena | motif)
885 # Old toolkits mishandle 'const'.
886 nw="$nw -Wwrite-strings"
889 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
892 AC_SUBST([WERROR_CFLAGS])
894 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
895 nw="$nw -Woverlength-strings" # Not a problem these days
896 nw="$nw -Wformat-nonliteral" # we do this a lot
897 nw="$nw -Wvla" # Emacs uses <vla.h>.
898 nw="$nw -Wswitch-default" # Too many warnings for now
899 nw="$nw -Winline" # OK to ignore 'inline'
900 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
901 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
902 # signed overflow has undefined behavior
903 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
904 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
905 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
907 # Emacs doesn't care about shadowing; see
908 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
911 # Emacs's use of alloca inhibits protecting the stack.
912 nw="$nw -Wstack-protector"
914 # Emacs's use of partly-const functions such as Fgnutls_available_p
915 # make this option problematic.
916 nw="$nw -Wsuggest-attribute=const"
918 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
919 # option problematic.
920 nw="$nw -Wsuggest-attribute=pure"
922 # This part is merely for shortening the command line,
923 # since -Wno-FOO needs to be added below regardless.
924 nw="$nw -Wmissing-field-initializers"
926 nw="$nw -Wtype-limits"
927 nw="$nw -Wunused-parameter"
929 if test $emacs_cv_clang = yes; then
930 nw="$nw -Wcast-align"
933 gl_MANYWARN_ALL_GCC([ws])
934 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
938 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
939 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
940 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
941 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
942 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
943 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
944 gl_WARN_ADD([-Wno-format-nonliteral])
946 # More things that clang is unduly picky about.
947 if test $emacs_cv_clang = yes; then
948 gl_WARN_ADD([-Wno-format-extra-args])
949 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
950 gl_WARN_ADD([-Wno-unused-command-line-argument])
951 gl_WARN_ADD([-Wno-unused-value])
954 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
955 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
956 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
957 [/* Enable compile-time and run-time bounds-checking, and some warnings,
958 without upsetting glibc 2.15+. */
959 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
960 && defined __OPTIMIZE__ && __OPTIMIZE__)
961 # define _FORTIFY_SOURCE 2
965 # We use a slightly smaller set of warning options for lib/.
966 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
968 nw="$nw -Wunused-macros"
970 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
971 AC_SUBST([GNULIB_WARN_CFLAGS])
981 AC_ARG_ENABLE(link-time-optimization,
982 [AS_HELP_STRING([--enable-link-time-optimization],
983 [build emacs with link-time optimization.
984 This requires GCC 4.5.0 or later, or clang.
985 (Note that clang support is experimental - see INSTALL.)
986 It also makes Emacs harder to debug, and when we tried it
987 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
988 recommended for typical use.])],
989 if test "${enableval}" != "no"; then
991 if test $emacs_cv_clang = yes; then
992 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
993 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
994 if test -x "$GOLD_PLUGIN"; then
997 elif test x$GCC = xyes; then
998 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
999 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
1000 if test x$CPUS != x; then
1006 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1008 if test -z "$LTO"; then
1012 CFLAGS="$CFLAGS $LTO"
1013 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1014 [ac_lto_supported=yes], [ac_lto_supported=no])
1015 CFLAGS="$old_CFLAGS"
1017 AC_MSG_RESULT([$ac_lto_supported])
1018 if test "$ac_lto_supported" = "yes"; then
1019 CFLAGS="$CFLAGS $LTO"
1020 if test x$emacs_cv_clang = xyes; then
1021 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1022 # WARNING: 'ar --plugin ...' doesn't work without
1023 # command, so plugin name is appended to ARFLAGS.
1024 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1025 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1027 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1028 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1029 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1030 dnl dump core on Fedora 20, so play it safe for now.
1031 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1032 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1037 dnl Prefer silent make output. For verbose output, use
1038 dnl 'configure --disable-silent-rules' or 'make V=1' .
1039 AM_SILENT_RULES([yes])
1040 dnl Port to Automake 1.11.
1041 dnl This section can be removed once we assume Automake 1.14 or later.
1042 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1043 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1045 AM_SUBST_NOTMAKE([AM_V])
1046 AC_SUBST([AM_DEFAULT_V])
1047 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1048 AC_SUBST([AM_DEFAULT_VERBOSITY])
1050 dnl Some other nice autoconf tests.
1051 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1054 dnl if test "x$RANLIB" = x; then
1059 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1060 dnl can be made to directories. This is not relevant for our usage, and
1061 dnl excludes some cases that work fine for us. Eg MS Windows or files
1062 dnl hosted on AFS, both examples where simple links work, but links to
1063 dnl directories fail. We use a cut-down version instead.
1066 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1067 rm -f conf$$ conf$$.file
1069 LN_S_FILEONLY='cp -p'
1071 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1072 dnl random program in the current directory.
1073 if (echo >conf$$.file) 2>/dev/null; then
1074 if ln -s conf$$.file conf$$ 2>/dev/null; then
1075 if test "$opsys" = "mingw32"; then
1076 LN_S_FILEONLY='/bin/ln -s'
1078 LN_S_FILEONLY='ln -s'
1080 elif ln conf$$.file conf$$ 2>/dev/null; then
1081 if test "$opsys" = "mingw32"; then
1082 LN_S_FILEONLY=/bin/ln
1089 rm -f conf$$ conf$$.file
1091 if test "$LN_S_FILEONLY" = "ln -s"; then
1092 AC_MSG_RESULT([yes])
1094 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1097 AC_SUBST(LN_S_FILEONLY)
1100 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1101 dnl doesn't support links to directories, as in "ln file dir". But that
1102 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1103 dnl executables at "make install" time.
1104 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1105 dnl for more details.
1106 if test "$opsys" = "mingw32"; then
1110 dnl On some Debian versions, "install-info" prints irritating messages
1111 dnl "This is not dpkg install-info anymore, but GNU install-info"
1112 dnl if called via an absolute file name.
1113 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1114 dnl Sadly some people may have an old ginstall-info installed on
1115 dnl non-Debian systems, so we can't use this.
1116 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1117 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1119 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1120 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1121 dnl Don't use GZIP, which is used by gzip for additional parameters.
1122 AC_PATH_PROG(GZIP_PROG, gzip)
1124 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1125 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1127 if test $opsys = gnu-linux; then
1128 AC_PATH_PROG(PAXCTL, paxctl,,
1129 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1130 if test "X$PAXCTL" != X; then
1131 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1132 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1133 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1134 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1137 if test "${SETFATTR+set}" != set; then
1138 AC_CACHE_CHECK([for setfattr],
1139 [emacs_cv_prog_setfattr],
1141 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1142 emacs_cv_prog_setfattr=yes
1144 emacs_cv_prog_setfattr=no
1146 if test "$emacs_cv_prog_setfattr" = yes; then
1152 AC_SUBST([SETFATTR])
1156 ## Need makeinfo >= 4.7 (?) to build the manuals.
1157 if test "$MAKEINFO" != "no"; then
1158 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1161 case `($MAKEINFO --version) 2>/dev/null` in
1162 *' (GNU texinfo) '4.[[7-9]]* | \
1163 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1164 *' (GNU texinfo) '[[5-9]]* | \
1165 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1170 ## Makeinfo is unusual. For a released Emacs, the manuals are
1171 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1172 ## therefore in the category of "special tools" not normally required, which
1173 ## configure does not have to check for (eg autoconf itself).
1174 ## In a repository checkout on the other hand, the manuals are not included.
1175 ## So makeinfo is a requirement to build from the repository, and configure
1176 ## should test for it as it does for any other build requirement.
1177 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1178 ## with pre-built manuals, from a repository checkout.
1181 if test "$MAKEINFO" = "no"; then
1183 if test "x${with_makeinfo}" = "xno"; then
1185 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1186 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1187 source tree does not seem to have pre-built manuals in the `info' directory.
1188 Either install a suitable version of makeinfo, or re-run configure
1189 with the `--without-makeinfo' option to build without the manuals.] )
1192 AC_SUBST(HAVE_MAKEINFO)
1194 if test $opsys = mingw32; then
1195 DOCMISC_W32=efaq-w32
1199 AC_SUBST(DOCMISC_W32)
1201 dnl Add our options to ac_link now, after it is set up.
1203 if test x$GCC = xyes; then
1204 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1205 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1207 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1208 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1211 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1212 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1213 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1214 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1215 dnl if not built to support GNU ld.
1217 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1218 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1219 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1220 dnl Eg "make LDFLAGS=... all" could run into problems,
1221 dnl http://bugs.debian.org/684788
1222 dnl * unnecessary, since temacs is the only thing that actually needs it.
1223 dnl Indeed this is where it was originally, prior to:
1224 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1225 late_LDFLAGS="$LDFLAGS"
1226 if test x$GCC = xyes; then
1227 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1229 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1232 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1234 AC_MSG_CHECKING([for -znocombreloc])
1235 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1236 [AC_MSG_RESULT(yes)],
1237 LDFLAGS_NOCOMBRELOC=
1238 [AC_MSG_RESULT(no)])
1240 LDFLAGS="$late_LDFLAGS"
1242 AC_CACHE_CHECK([whether addresses are sanitized],
1243 [emacs_cv_sanitize_address],
1246 [[#ifndef __has_feature
1247 #define __has_feature(f) 0
1249 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1251 error "Addresses are not sanitized.";
1254 [emacs_cv_sanitize_address=yes],
1255 [emacs_cv_sanitize_address=no])])
1257 dnl The function dump-emacs will not be defined and temacs will do
1258 dnl (load "loadup") automatically unless told otherwise.
1259 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1261 your-opsys-here) CANNOT_DUMP=yes ;;
1264 if test "$CANNOT_DUMP" = "yes"; then
1265 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1266 elif test "$emacs_cv_sanitize_address" = yes; then
1267 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1270 AC_SUBST(CANNOT_DUMP)
1273 UNEXEC_OBJ=unexelf.o
1275 # MSDOS uses unexcoff.o
1277 UNEXEC_OBJ=unexaix.o
1283 UNEXEC_OBJ=unexmacosx.o
1286 UNEXEC_OBJ=unexhp9k800.o
1289 UNEXEC_OBJ=unexw32.o
1292 # Use the Solaris dldump() function, called from unexsol.c, to dump
1293 # emacs, instead of the generic ELF dump code found in unexelf.c.
1294 # The resulting binary has a complete symbol table, and is better
1295 # for debugging and other observability tools (debuggers, pstack, etc).
1297 # If you encounter a problem using dldump(), please consider sending
1298 # a message to the OpenSolaris tools-linking mailing list:
1299 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1301 # It is likely that dldump() works with older Solaris too, but this has
1302 # not been tested, so for now this change is for Solaris 10 or newer.
1303 UNEXEC_OBJ=unexsol.o
1310 ## Let `ld' find image libs and similar things in /usr/local/lib.
1311 ## The system compiler, GCC, has apparently been modified to not
1312 ## look there, contrary to what a stock GCC would do.
1313 ### It's not our place to do this. See bug#10313#17.
1314 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1319 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1320 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1324 ### It's not our place to do this. See bug#10313#17.
1325 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1330 ## Han Boetes <han@boetes.org> says this is necessary,
1331 ## otherwise Emacs dumps core on elf systems.
1332 LD_SWITCH_SYSTEM="-Z"
1335 AC_SUBST(LD_SWITCH_SYSTEM)
1337 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1339 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1340 ## which has not been defined yet. When this was handled with cpp,
1341 ## it was expanded to null when configure sourced the s/*.h file.
1342 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1343 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1344 ## (or somesuch), but because it is supposed to go at the _front_
1345 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1346 ## Compare with the gnu-linux case below, which added to the end
1347 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1348 ## LD_SWITCH_SYSTEM_TEMACS.
1351 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1358 AC_CHECK_DECL([__ELF__])
1359 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1360 ## With ELF, make sure that all common symbols get allocated to in the
1361 ## data section. Otherwise, the dump of temacs may miss variables in
1362 ## the shared library that have been initialized. For example, with
1363 ## GNU libc, __malloc_initialized would normally be resolved to the
1364 ## shared library's .bss section, which is fatal.
1365 if test "x$GCC" = "xyes"; then
1366 C_SWITCH_MACHINE="-fno-common"
1368 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1371 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1372 dnl albeit under the mistaken assumption that said file
1373 dnl was no longer used.
1374 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1378 AC_SUBST(C_SWITCH_MACHINE)
1380 AC_SUBST(UNEXEC_OBJ)
1383 ## Some programs in src produce warnings saying certain subprograms
1384 ## are too complex and need a MAXMEM value greater than 2000 for
1385 ## additional optimization. --nils@exp-math.uni-essen.de
1386 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1387 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1388 if test "$opsys" = "mingw32"; then
1389 case "$canonical" in
1390 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1391 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1394 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1395 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1396 AC_SUBST(C_SWITCH_SYSTEM)
1401 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1402 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1404 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1406 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1408 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1410 ## Motif needs -lgen.
1411 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1414 AC_SUBST(LIBS_SYSTEM)
1416 ### Make sure subsequent tests use flags consistent with the build flags.
1418 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1419 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1421 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1424 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1425 AC_DEFUN([AC_TYPE_SIZE_T])
1426 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1427 AC_DEFUN([AC_TYPE_UID_T])
1429 # sqrt and other floating-point functions such as fmod and frexp
1430 # are found in -lm on many systems.
1432 AC_SEARCH_LIBS([sqrt], [m])
1433 if test "X$LIBS" = "X$OLD_LIBS"; then
1436 LIB_MATH=$ac_cv_search_sqrt
1440 dnl Current possibilities handled by sed (aix4-2 -> aix,
1441 dnl gnu-linux -> gnu/linux, etc.):
1442 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1443 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1444 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1451 ## Adding -lm confuses the dynamic linker, so omit it.
1454 freebsd | dragonfly )
1455 SYSTEM_TYPE=berkeley-unix
1457 gnu-linux | gnu-kfreebsd )
1459 hpux10-20 | hpux11 )
1463 SYSTEM_TYPE=windows-nt
1465 dnl NB this may be adjusted below.
1467 SYSTEM_TYPE=berkeley-unix
1471 SYSTEM_TYPE=usg-unix-v
1477 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1478 [The type of system you are compiling for; sets `system-type'.])
1481 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1482 pre_PKG_CONFIG_LIBS=$LIBS
1484 PKG_PROG_PKG_CONFIG(0.9.0)
1486 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1487 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1488 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1489 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1490 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1491 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1493 AC_DEFUN([EMACS_CHECK_MODULES],
1494 [PKG_CHECK_MODULES([$1], [$2],
1495 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1496 m4_default([$3], [HAVE_$1=yes])],
1497 [m4_default([$4], [HAVE_$1=no])])])
1500 if test "${with_sound}" != "no"; then
1501 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1502 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1503 have_sound_header=yes, [], [
1505 #define WIN32_LEAN_AND_MEAN
1506 #include <windows.h>
1509 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1510 AC_MSG_ERROR([OSS sound support requested but not found.])
1512 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1513 # Emulation library used on NetBSD.
1514 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1515 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1516 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1517 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1518 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1522 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1524 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1525 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1526 if test $HAVE_ALSA = yes; then
1527 SAVE_CFLAGS="$CFLAGS"
1529 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1530 LIBS="$ALSA_LIBS $LIBS"
1531 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1532 emacs_alsa_normal=yes,
1533 emacs_alsa_normal=no)
1534 if test "$emacs_alsa_normal" != yes; then
1535 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1536 [[snd_lib_error_set_handler (0);]])],
1537 emacs_alsa_subdir=yes,
1538 emacs_alsa_subdir=no)
1539 if test "$emacs_alsa_subdir" != yes; then
1540 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1542 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1545 CFLAGS="$SAVE_CFLAGS"
1547 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1548 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1549 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1550 elif test "${with_sound}" = "alsa"; then
1551 AC_MSG_ERROR([ALSA sound support requested but not found.])
1553 fi dnl with_sound = alsa|yes
1555 dnl Define HAVE_SOUND if we have sound support. We know it works and
1556 dnl compiles only on the specified platforms. For others, it
1557 dnl probably doesn't make sense to try.
1558 dnl FIXME So surely we should bypass this whole section if not using
1559 dnl one of these platforms?
1560 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1562 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1563 dnl Adjust the --with-sound help text if you change this.
1564 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1565 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1571 AC_SUBST(CFLAGS_SOUND)
1574 dnl checks for header files
1575 AC_CHECK_HEADERS_ONCE(
1580 sys/utsname.h pwd.h utmp.h util.h)
1582 AC_MSG_CHECKING(if personality LINUX32 can be set)
1583 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1584 emacs_cv_personality_linux32=yes,
1585 emacs_cv_personality_linux32=no)
1586 AC_MSG_RESULT($emacs_cv_personality_linux32)
1588 if test $emacs_cv_personality_linux32 = yes; then
1589 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1590 [Define to 1 if personality LINUX32 can be set.])
1593 # Note that Solaris has sys/sysinfo.h which defines struct
1594 # sysinfo as well. To make sure that we're using GNU/Linux
1595 # sysinfo, we explicitly set one of its fields.
1596 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1597 AC_MSG_CHECKING([if Linux sysinfo may be used])
1598 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1599 [[struct sysinfo si;
1602 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1603 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1604 if test $emacs_cv_linux_sysinfo = yes; then
1605 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1606 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1607 [[struct sysinfo si; return si.mem_unit]])],
1608 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1609 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1613 dnl On Solaris 8 there's a compilation warning for term.h because
1614 dnl it doesn't define `bool'.
1615 AC_CHECK_HEADERS(term.h, , , -)
1617 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1619 if test $ac_cv_have_decl_sys_siglist != yes; then
1620 # For Tru64, at least:
1621 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1626 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1627 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1628 #if HAVE_SYS_SOCKET_H
1629 #include <sys/socket.h>
1631 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1632 #if HAVE_SYS_SOCKET_H
1633 #include <sys/socket.h>
1635 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1636 #if HAVE_SYS_SOCKET_H
1637 #include <sys/socket.h>
1640 dnl checks for structure members
1641 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1642 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1643 struct ifreq.ifr_addr,
1644 struct ifreq.ifr_addr.sa_len], , ,
1645 [AC_INCLUDES_DEFAULT
1646 #if HAVE_SYS_SOCKET_H
1647 #include <sys/socket.h>
1653 dnl Check for endianness.
1654 dnl AC_C_BIGENDIAN is done by gnulib.
1656 dnl check for Make feature
1661 dnl check if we have GCC and autodepend is on.
1662 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1663 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1664 SAVE_CFLAGS="$CFLAGS"
1665 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1666 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1667 CFLAGS="$SAVE_CFLAGS"
1668 test -f deps.d || ac_enable_autodepend=no
1670 AC_MSG_RESULT([$ac_enable_autodepend])
1671 if test $ac_enable_autodepend = yes; then
1672 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1673 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1674 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1675 deps_frag=autodeps.mk
1678 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1679 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1680 deps_frag=$srcdir/src/$deps_frag
1683 AC_SUBST_FILE(deps_frag)
1684 AC_SUBST_FILE(lwlib_deps_frag)
1685 AC_SUBST_FILE(oldxmenu_deps_frag)
1687 lisp_frag=$srcdir/src/lisp.mk
1688 AC_SUBST_FILE(lisp_frag)
1691 dnl checks for operating system services
1692 AC_SYS_LONG_FILE_NAMES
1694 #### Choose a window system.
1696 ## We leave window_system equal to none if
1697 ## we end up building without one. Any new window system should
1698 ## set window_system to an appropriate value and add objects to
1699 ## window-system-specific substs.
1703 if test "$no_x" != yes; then
1707 LD_SWITCH_X_SITE_RPATH=
1708 if test "${x_libraries}" != NONE; then
1709 if test -n "${x_libraries}"; then
1710 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1711 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1713 x_default_search_path=""
1714 x_search_path=${x_libraries}
1715 if test -z "${x_search_path}"; then
1716 x_search_path=/usr/lib
1718 for x_library in `echo ${x_search_path}: | \
1719 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1721 ${x_library}/X11/%L/%T/%N%C%S:\
1722 ${x_library}/X11/%l/%T/%N%C%S:\
1723 ${x_library}/X11/%T/%N%C%S:\
1724 ${x_library}/X11/%L/%T/%N%S:\
1725 ${x_library}/X11/%l/%T/%N%S:\
1726 ${x_library}/X11/%T/%N%S"
1727 if test x"${x_default_search_path}" = x; then
1728 x_default_search_path=${x_search_path}
1730 x_default_search_path="${x_search_path}:${x_default_search_path}"
1734 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1736 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1737 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1740 if test x"${x_includes}" = x; then
1741 bitmapdir=/usr/include/X11/bitmaps
1743 # accumulate include directories that have X11 bitmap subdirectories
1745 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1746 if test -d "${bmd}/X11/bitmaps"; then
1747 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1749 if test -d "${bmd}/bitmaps"; then
1750 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1753 if test ${bmd_acc} != "dummyval"; then
1754 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1759 NS_GNUSTEP_CONFIG=no
1762 tmp_CPPFLAGS="$CPPFLAGS"
1763 tmp_CFLAGS="$CFLAGS"
1764 CPPFLAGS="$CPPFLAGS -x objective-c"
1765 CFLAGS="$CFLAGS -x objective-c"
1768 if test "${with_ns}" != no; then
1769 if test "${opsys}" = darwin; then
1771 ns_appdir=`pwd`/nextstep/Emacs.app
1772 ns_appbindir=${ns_appdir}/Contents/MacOS
1773 ns_appresdir=${ns_appdir}/Contents/Resources
1774 ns_appsrc=Cocoa/Emacs.base
1775 ns_fontfile=macfont.o
1776 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1778 NS_GNUSTEP_CONFIG=yes
1779 GNU_OBJC_CFLAGS=$flags
1780 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1781 elif test -f $GNUSTEP_CONFIG_FILE; then
1783 dnl FIXME sourcing this several times in subshells seems inefficient.
1784 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1785 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1786 dnl I seemed to need these as well with GNUstep-startup 0.25.
1787 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1788 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1789 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1790 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1791 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1792 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1793 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1794 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1795 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1796 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1797 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1798 dnl If they had chosen to either define it or not, we could have
1799 dnl just used AC_CHECK_DECL here.
1800 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1801 emacs_cv_objc_exceptions,
1802 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1803 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1807 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1808 if test $emacs_cv_objc_exceptions = yes; then
1809 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1810 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1811 [Define if GNUstep uses ObjC exceptions.])
1812 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1815 if test $NS_IMPL_GNUSTEP = yes; then
1816 ns_appdir=`pwd`/nextstep/Emacs.app
1817 ns_appbindir=${ns_appdir}
1818 ns_appresdir=${ns_appdir}/Resources
1819 ns_appsrc=GNUstep/Emacs.base
1820 ns_fontfile=nsfont.o
1823 dnl This is only used while we test the NS headers, it gets reset below.
1824 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1825 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1827 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1828 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1829 files are missing or cannot be compiled.])])
1832 if test "${NS_IMPL_COCOA}" = "yes"; then
1833 AC_MSG_CHECKING([for OSX 10.6 or newer])
1834 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1836 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1837 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1840 error "OSX 10.6 or newer required";
1844 ns_osx_have_106=yes,
1846 AC_MSG_RESULT([$ns_osx_have_106])
1848 if test $ns_osx_have_106 = no; then
1849 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1854 AC_SUBST(LIBS_GNUSTEP)
1856 INSTALL_ARCH_INDEP_EXTRA=install-etc
1857 ns_self_contained=no
1860 if test "${HAVE_NS}" = yes; then
1861 if test "$with_toolkit_scroll_bars" = "no"; then
1862 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1865 window_system=nextstep
1866 # set up packaging dirs
1867 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1868 ns_self_contained=yes
1869 prefix=${ns_appresdir}
1870 exec_prefix=${ns_appbindir}
1871 dnl This one isn't really used, only archlibdir is.
1872 libexecdir="\${ns_appbindir}/libexec"
1873 archlibdir="\${ns_appbindir}/libexec"
1874 etcdocdir="\${ns_appresdir}/etc"
1875 etcdir="\${ns_appresdir}/etc"
1876 dnl FIXME maybe set datarootdir instead.
1877 dnl That would also get applications, icons, man.
1878 infodir="\${ns_appresdir}/info"
1879 mandir="\${ns_appresdir}/man"
1880 lispdir="\${ns_appresdir}/lisp"
1881 INSTALL_ARCH_INDEP_EXTRA=
1884 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1886 CFLAGS="$tmp_CFLAGS"
1887 CPPFLAGS="$tmp_CPPFLAGS"
1888 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1889 AC_SUBST(ns_self_contained)
1891 AC_SUBST(NS_OBJC_OBJ)
1902 if test "${with_w32}" != no; then
1905 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1906 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1907 cannot be found.])])
1910 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1913 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1918 if test "${opsys}" = "mingw32"; then
1919 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1920 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1921 #include <windows.h>
1922 #include <usp10.h>]],
1923 [[PIMAGE_NT_HEADERS pHeader;
1924 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1925 [emacs_cv_w32api=yes
1928 AC_MSG_RESULT($emacs_cv_w32api)
1929 if test "${emacs_cv_w32api}" = "no"; then
1930 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1941 if test "${HAVE_W32}" = "yes"; then
1942 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1943 AC_CHECK_TOOL(WINDRES, [windres],
1944 [AC_MSG_ERROR([No resource compiler found.])])
1945 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1946 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1947 EMACSRES="emacs.res"
1948 case "$canonical" in
1949 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1950 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1952 dnl Construct something of the form "24,4,0,0" with 4 components.
1953 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1955 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1956 AC_SUBST(comma_version)
1957 AC_SUBST(comma_space_version)
1958 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1959 if test "${opsys}" = "cygwin"; then
1960 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1961 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1962 # Tell the linker that emacs.res is an object (which we compile from
1963 # the rc file), not a linker script.
1964 W32_RES_LINK="-Wl,emacs.res"
1966 UPDATE_MANIFEST=update-game-score.exe.manifest
1967 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1968 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1969 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1970 W32_RES_LINK="\$(EMACSRES)"
1971 CLIENTRES="emacsclient.res"
1972 CLIENTW="emacsclientw\$(EXEEXT)"
1973 FIRSTFILE_OBJ=firstfile.o
1976 LIBS_ECLIENT="-lcomctl32"
1977 LIB_WSOCK32="-lwsock32"
1978 NTLIB="ntlib.$ac_objext"
1979 XARGS_LIMIT="-s 10000"
1985 AC_SUBST(EMACS_MANIFEST)
1986 AC_SUBST(UPDATE_MANIFEST)
1989 AC_SUBST(W32_RES_LINK)
1990 AC_SUBST(FIRSTFILE_OBJ)
1993 AC_SUBST(LIBS_ECLIENT)
1994 AC_SUBST(LIB_WSOCK32)
1996 AC_SUBST(XARGS_LIMIT)
1998 if test "${HAVE_W32}" = "yes"; then
2003 ## $window_system is now set to the window system we will
2006 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
2007 # Too many warnings for now.
2009 nw="$nw -Wsuggest-attribute=noreturn"
2010 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
2012 gl_WARN_ADD([-Wno-unused-variable])
2013 gl_WARN_ADD([-Wno-unused-but-set-variable])
2014 gl_WARN_ADD([-Wno-unused-but-set-parameter])
2022 case "${window_system}" in
2027 case "${with_x_toolkit}" in
2028 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2029 motif ) USE_X_TOOLKIT=MOTIF ;;
2031 term_header=gtkutil.h
2032 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2033 dnl USE_X_TOOLKIT is set.
2034 USE_X_TOOLKIT=none ;;
2035 gtk2 ) with_gtk2=yes
2036 term_header=gtkutil.h
2037 USE_X_TOOLKIT=none ;;
2038 gtk3 ) with_gtk3=yes
2039 term_header=gtkutil.h
2040 USE_X_TOOLKIT=none ;;
2041 no ) USE_X_TOOLKIT=none ;;
2042 dnl If user did not say whether to use a toolkit, make this decision later:
2043 dnl use the toolkit if we have gtk, or X11R5 or newer.
2044 * ) USE_X_TOOLKIT=maybe ;;
2048 term_header=nsterm.h
2051 term_header=w32term.h
2055 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2056 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2057 if test "$HAVE_XSERVER" = true ||
2058 test -n "$DISPLAY" ||
2059 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2060 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2061 were found. You should install the relevant development files for X
2062 and for the toolkit you want, such as Gtk+ or Motif. Also make
2063 sure you have development files for image handling, i.e.
2064 tiff, gif, jpeg, png and xpm.
2065 If you are sure you want Emacs compiled without X window support, pass
2071 # Does the opsystem file prohibit the use of the GNU malloc?
2072 # Assume not, until told otherwise.
2076 [whether malloc is Doug Lea style],
2077 [emacs_cv_var_doug_lea_malloc],
2078 [emacs_cv_var_doug_lea_malloc=no
2079 dnl Hooks do not work with address sanitization.
2080 if test "$emacs_cv_sanitize_address" != yes; then
2083 [[#include <malloc.h>
2084 static void hook (void) {}]],
2085 [[malloc_set_state (malloc_get_state ());
2086 __after_morecore_hook = hook;
2087 __malloc_initialize_hook = hook;]])],
2088 [emacs_cv_var_doug_lea_malloc=yes])])
2090 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2092 system_malloc=$emacs_cv_sanitize_address
2097 ## darwin ld insists on the use of malloc routines in the System framework.
2098 darwin|mingw32|sol2-10) system_malloc=yes ;;
2099 cygwin) hybrid_malloc=yes;;
2103 if test "${system_malloc}" = "yes"; then
2104 AC_DEFINE([SYSTEM_MALLOC], 1,
2105 [Define to 1 to use the system memory allocator, even if it is not
2109 (The GNU allocators don't work with this system configuration.)"
2111 elif test "$hybrid_malloc" = yes; then
2112 AC_DEFINE(HYBRID_MALLOC, 1,
2113 [Define to use gmalloc before dumping and the system malloc after.])
2115 GNU_MALLOC_reason="only before dumping"
2116 GMALLOC_OBJ=gmalloc.o
2119 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2120 VMLIMIT_OBJ=vm-limit.o
2122 AC_CHECK_HEADERS([sys/vlimit.h])
2123 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2126 [[extern char data_start[]; char ch;]],
2127 [[return data_start < &ch;]])],
2128 [emacs_cv_data_start=yes],
2129 [emacs_cv_data_start=no])])
2130 if test $emacs_cv_data_start = yes; then
2131 AC_DEFINE([HAVE_DATA_START], 1,
2132 [Define to 1 if data_start is the address of the start
2133 of the main data segment.])
2136 AC_SUBST(GMALLOC_OBJ)
2137 AC_SUBST(VMLIMIT_OBJ)
2139 if test "$doug_lea_malloc" = "yes" ; then
2140 if test "$GNU_MALLOC" = yes ; then
2142 (Using Doug Lea's new malloc from the GNU C Library.)"
2144 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2145 [Define to 1 if the system memory allocator is Doug Lea style,
2146 with malloc hooks and malloc_set_state.])
2148 ## Use mmap directly for allocating larger buffers.
2149 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2150 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2151 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2153 mingw32|gnu*) REL_ALLOC=no ;;
2157 if test x"${REL_ALLOC}" = x; then
2158 REL_ALLOC=${GNU_MALLOC}
2161 use_mmap_for_buffers=no
2163 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2167 if test $use_mmap_for_buffers = yes; then
2168 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2172 LIBS="$LIBS_SYSTEM $LIBS"
2174 dnl FIXME replace main with a function we actually want from this library.
2175 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2177 dnl Check for the POSIX thread library.
2179 if test "$opsys" != "mingw32"; then
2180 AC_CHECK_HEADERS_ONCE(pthread.h)
2181 if test "$ac_cv_header_pthread_h"; then
2182 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2183 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2184 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2185 if test "$GMALLOC_OBJ" = gmalloc.o; then
2186 emacs_pthread_function=pthread_atfork
2188 emacs_pthread_function=pthread_kill
2191 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2192 [AC_DEFINE([HAVE_PTHREAD], [1],
2193 [Define to 1 if you have pthread (-lpthread).])
2194 # Some systems optimize for single-threaded programs by default, and
2195 # need special flags to disable these optimizations. For example, the
2196 # definition of 'errno' in <errno.h>.
2199 AC_DEFINE([_REENTRANT], 1,
2200 [Define to 1 if your system requires this in multithreaded code.]);;
2202 AC_DEFINE([_THREAD_SAFE], 1,
2203 [Define to 1 if your system requires this in multithreaded code.]);;
2205 if test "X$LIBS" != "X$OLD_LIBS"; then
2206 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2210 AC_SUBST([LIB_PTHREAD])
2213 dnl Check for need for bigtoc support on IBM AIX
2217 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2219 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2220 *) gdb_cv_bigtoc=-bbigtoc ;;
2223 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2224 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2229 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2230 # is for the tests that follow. We set them back later on.
2232 REAL_CFLAGS="$CFLAGS"
2233 REAL_CPPFLAGS="$CPPFLAGS"
2236 if test "${HAVE_X11}" = "yes"; then
2237 DEFS="$C_SWITCH_X_SITE $DEFS"
2238 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2240 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2241 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2243 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2244 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2245 # but it's more convenient here to set LD_RUN_PATH since this
2246 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2247 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2248 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2252 if test "${opsys}" = "gnu-linux"; then
2253 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2254 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2255 [[XOpenDisplay ("foo");]])],
2256 [xgnu_linux_first_failure=no],
2257 [xgnu_linux_first_failure=yes])
2258 if test "${xgnu_linux_first_failure}" = "yes"; then
2259 OLD_CPPFLAGS="$CPPFLAGS"
2261 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2262 LIBS="$LIBS -b i486-linuxaout"
2263 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2264 [[XOpenDisplay ("foo");]])],
2265 [xgnu_linux_second_failure=no],
2266 [xgnu_linux_second_failure=yes])
2267 if test "${xgnu_linux_second_failure}" = "yes"; then
2268 # If we get the same failure with -b, there is no use adding -b.
2269 # So leave it out. This plays safe.
2272 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2273 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2276 CPPFLAGS=$OLD_CPPFLAGS
2283 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2284 # header files included from there.
2285 AC_MSG_CHECKING(for Xkb)
2286 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2287 #include <X11/XKBlib.h>]],
2288 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2289 emacs_xkb=yes, emacs_xkb=no)
2290 AC_MSG_RESULT($emacs_xkb)
2291 if test $emacs_xkb = yes; then
2292 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2295 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2296 XScreenNumberOfScreen)
2299 if test "${window_system}" = "x11"; then
2300 AC_MSG_CHECKING(X11 version 6)
2301 AC_CACHE_VAL(emacs_cv_x11_version_6,
2302 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2303 [[#if XlibSpecificationRelease < 6
2306 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2307 if test $emacs_cv_x11_version_6 = yes; then
2308 AC_MSG_RESULT(6 or newer)
2309 AC_DEFINE(HAVE_X11R6, 1,
2310 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2311 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2312 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2316 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2317 [Define if you have usable X11R6-style XIM support.])
2321 AC_MSG_RESULT(before 6)
2326 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2328 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2329 if test "${with_rsvg}" != "no"; then
2330 RSVG_REQUIRED=2.11.0
2331 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2333 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2334 AC_SUBST(RSVG_CFLAGS)
2337 if test $HAVE_RSVG = yes; then
2338 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2339 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2340 # Windows loads librsvg dynamically
2341 if test "${opsys}" = "mingw32"; then
2349 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2350 if test "${with_imagemagick}" != "no"; then
2351 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2352 ## 6.8.2 makes Emacs crash; see Bug#13867.
2353 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2354 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2355 AC_SUBST(IMAGEMAGICK_CFLAGS)
2356 AC_SUBST(IMAGEMAGICK_LIBS)
2358 if test $HAVE_IMAGEMAGICK = yes; then
2359 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2362 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2363 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2364 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2374 gtk_term_header=$term_header
2377 if test "${opsys}" != "mingw32"; then
2378 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2381 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2383 dnl Checks for libraries.
2384 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2385 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2386 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2387 AC_MSG_ERROR($GTK_PKG_ERRORS)
2389 if test "$pkg_check_gtk" = "yes"; then
2390 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2391 GTK_OBJ=emacsgtkfixed.o
2392 gtk_term_header=gtkutil.h
2393 USE_GTK_TOOLKIT="GTK3"
2394 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2395 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2396 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2397 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2398 [Define to 1 to disable Glib deprecation warnings.])
2402 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2406 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2409 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2411 dnl Checks for libraries.
2412 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2413 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2414 if test "$pkg_check_gtk" = "no" &&
2415 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2417 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2419 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2426 if test x"$pkg_check_gtk" = xyes; then
2429 CFLAGS="$CFLAGS $GTK_CFLAGS"
2430 LIBS="$GTK_LIBS $LIBS"
2431 dnl Try to compile a simple GTK program.
2432 AC_MSG_CHECKING([whether GTK compiles])
2436 [[/* Check the Gtk and Glib APIs. */
2437 #include <gtk/gtk.h>
2438 #include <glib-object.h>
2440 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2444 GtkSettings *gs = 0;
2445 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2446 strict C prohibits this. Use gtk_main_iteration to test that the
2447 libraries are there. */
2448 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2449 0, 0, 0, G_CALLBACK (callback), 0))
2450 gtk_main_iteration ();
2453 AC_MSG_RESULT([$GTK_COMPILES])
2454 if test "${GTK_COMPILES}" != "yes"; then
2456 if test "$USE_X_TOOLKIT" != "maybe"; then
2457 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2460 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2462 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2463 GTK_OBJ="gtkutil.o $GTK_OBJ"
2464 term_header=$gtk_term_header
2466 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2469 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2470 closing open displays. This is no problem if you just use
2471 one display, but if you use more than one and close one of them
2481 if test "${HAVE_GTK}" = "yes"; then
2483 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2484 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2485 if test "$with_toolkit_scroll_bars" != no; then
2486 with_toolkit_scroll_bars=yes
2489 dnl Check if we have the old file selection dialog declared and
2490 dnl in the link library. In 2.x it may be in the library,
2491 dnl but not declared if deprecated featured has been selected out.
2492 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2493 HAVE_GTK_FILE_SELECTION=no
2494 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2495 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2496 #include <gtk/gtk.h>])
2497 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2498 AC_CHECK_FUNCS(gtk_file_selection_new)
2501 dnl Same as above for gtk_handle_box.
2502 HAVE_GTK_HANDLE_BOX=no
2503 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2504 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2505 #include <gtk/gtk.h>])
2506 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2507 AC_CHECK_FUNCS(gtk_handle_box_new)
2510 dnl Same as above for gtk_tearoff_menu_item.
2511 HAVE_GTK_TEAROFF_MENU_ITEM=no
2512 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2513 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2514 #include <gtk/gtk.h>])
2515 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2516 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2519 dnl Check for functions introduced in 2.14 and later.
2520 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2521 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2522 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2523 gtk_orientable_set_orientation \
2524 gtk_window_set_has_resize_grip)
2526 term_header=gtkutil.h
2534 if test "${with_xwidgets}" != "no" && test "${USE_GTK_TOOLKIT}" = "GTK3" && test "$window_system" != "none" ; then
2535 echo "xwidgets enabled, checking webkit, and others"
2537 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2539 dnl - enable only if GTK3 is enabled, and we have a window system
2540 dnl - check for webkit and gobject introspection
2543 #webkit version for gtk3.
2544 WEBKIT_REQUIRED=1.4.0
2545 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2547 if test "${with_gtk3}" = "yes"; then
2548 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2549 if test $HAVE_WEBKIT = yes; then
2550 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2555 GIR_MODULES="gobject-introspection-1.0 >= $GIR_REQUIRED"
2556 PKG_CHECK_MODULES(GIR, $GIR_MODULES, HAVE_GIR=yes, HAVE_GIR=no)
2557 if test $HAVE_GIR = yes; then
2558 AC_DEFINE(HAVE_GIR, 1, [Define to 1 if you have GIR support.])
2567 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2568 dnl other platforms.
2571 if test "${with_dbus}" = "yes"; then
2572 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2573 if test "$HAVE_DBUS" = yes; then
2574 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2575 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2576 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2579 LIBS="$LIBS $DBUS_LIBS"
2580 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2581 dbus_type_is_valid \
2582 dbus_validate_bus_name \
2583 dbus_validate_path \
2584 dbus_validate_interface \
2585 dbus_validate_member)
2590 AC_SUBST(DBUS_CFLAGS)
2594 dnl GSettings has been tested under GNU/Linux only.
2596 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2597 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2598 if test "$HAVE_GSETTINGS" = "yes"; then
2600 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2602 LIBS="$LIBS $GSETTINGS_LIBS"
2603 AC_MSG_CHECKING([whether GSettings is in gio])
2606 [[/* Check that gsettings really is present. */
2607 #include <glib-object.h>
2608 #include <gio/gio.h>
2611 GSettings *settings;
2612 GVariant *val = g_settings_get_value (settings, "");
2614 [], HAVE_GSETTINGS=no)
2615 AC_MSG_RESULT([$HAVE_GSETTINGS])
2617 if test "$HAVE_GSETTINGS" = "yes"; then
2618 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2619 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2620 SETTINGS_LIBS="$GSETTINGS_LIBS"
2627 dnl GConf has been tested under GNU/Linux only.
2628 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2630 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2631 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2632 if test "$HAVE_GCONF" = yes; then
2633 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2634 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2635 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2636 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2640 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2641 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2642 if test "$HAVE_GOBJECT" = "yes"; then
2643 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2644 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2646 SAVE_CFLAGS="$CFLAGS"
2648 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2649 LIBS="$SETTINGS_LIBS $LIBS"
2650 CFLAGS="$SAVE_CFLAGS"
2653 AC_SUBST(SETTINGS_CFLAGS)
2654 AC_SUBST(SETTINGS_LIBS)
2657 dnl SELinux is available for GNU/Linux only.
2660 if test "${with_selinux}" = "yes"; then
2661 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2662 if test "$HAVE_LIBSELINUX" = yes; then
2663 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2664 LIBSELINUX_LIBS=-lselinux
2667 AC_SUBST(LIBSELINUX_LIBS)
2670 if test "${with_gnutls}" = "yes" ; then
2671 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2672 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2673 if test "${HAVE_GNUTLS}" = "yes"; then
2674 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2675 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2676 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2679 # Windows loads GnuTLS dynamically
2680 if test "${opsys}" = "mingw32"; then
2685 AC_SUBST(LIBGNUTLS_LIBS)
2686 AC_SUBST(LIBGNUTLS_CFLAGS)
2691 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2692 dnl a particular library. This doesn't make much sense?
2693 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2694 with_file_notification=no
2697 dnl MS Windows native file monitor is available for mingw32 only.
2698 case $with_file_notification,$opsys in
2699 w32,* | yes,mingw32)
2700 AC_CHECK_HEADER(windows.h)
2701 if test "$ac_cv_header_windows_h" = yes ; then
2702 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2703 NOTIFY_OBJ=w32notify.o
2704 NOTIFY_SUMMARY="yes (w32)"
2708 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2709 dnl has been added in glib 2.24. It has been tested under
2710 dnl GNU/Linux only. We take precedence over inotify, but this makes
2711 dnl only sense when glib has been compiled with inotify support. How
2713 case $with_file_notification,$NOTIFY_OBJ in
2715 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2716 if test "$HAVE_GFILENOTIFY" = "yes"; then
2717 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2718 NOTIFY_OBJ=gfilenotify.o
2719 NOTIFY_SUMMARY="yes -lgio (gfile)"
2723 dnl inotify is only available on GNU/Linux.
2724 case $with_file_notification,$NOTIFY_OBJ in
2726 AC_CHECK_HEADER(sys/inotify.h)
2727 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2728 AC_CHECK_FUNC(inotify_init1)
2729 if test "$ac_cv_func_inotify_init1" = yes; then
2730 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2731 NOTIFY_OBJ=inotify.o
2732 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2737 case $with_file_notification,$NOTIFY_OBJ in
2738 yes,* | no,* | *,?*) ;;
2739 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2742 if test -n "$NOTIFY_OBJ"; then
2743 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2745 AC_SUBST(NOTIFY_OBJ)
2746 AC_SUBST(GFILENOTIFY_CFLAGS)
2747 AC_SUBST(GFILENOTIFY_LIBS)
2749 dnl Do not put whitespace before the #include statements below.
2750 dnl Older compilers (eg sunos4 cc) choke on it.
2753 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2754 if test "$with_xaw3d" != no; then
2755 AC_CACHE_VAL(emacs_cv_xaw3d,
2756 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2757 #include <X11/Intrinsic.h>
2758 #include <X11/Xaw3d/Simple.h>]],
2760 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2761 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2762 emacs_cv_xaw3d=no)])
2766 if test $emacs_cv_xaw3d = yes; then
2767 AC_MSG_CHECKING(for xaw3d)
2768 AC_MSG_RESULT([yes; using Lucid toolkit])
2772 AC_DEFINE(HAVE_XAW3D, 1,
2773 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2775 AC_MSG_CHECKING(for xaw3d)
2777 AC_MSG_CHECKING(for libXaw)
2778 AC_CACHE_VAL(emacs_cv_xaw,
2779 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2780 #include <X11/Intrinsic.h>
2781 #include <X11/Xaw/Simple.h>]],
2785 if test $emacs_cv_xaw = yes; then
2786 AC_MSG_RESULT([yes; using Lucid toolkit])
2789 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2790 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2792 AC_MSG_ERROR([No X toolkit could be found.
2793 If you are sure you want Emacs compiled without an X toolkit, pass
2795 to configure. Otherwise, install the development libraries for the toolkit
2796 that you want to use (e.g. Gtk+) and re-run configure.])
2801 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2805 if test "${USE_X_TOOLKIT}" != "none"; then
2806 AC_MSG_CHECKING(X11 toolkit version)
2807 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2808 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2809 [[#if XtSpecificationRelease < 6
2812 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2813 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2814 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2815 AC_MSG_RESULT(6 or newer)
2816 AC_DEFINE(HAVE_X11XTR6, 1,
2817 [Define to 1 if you have the X11R6 or newer version of Xt.])
2818 LIBXTR6="-lSM -lICE"
2820 ## Use libw.a along with X11R6 Xt.
2821 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2824 AC_MSG_RESULT(before 6)
2827 dnl If using toolkit, check whether libXmu.a exists.
2828 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2830 if test x$HAVE_X11XTR6 = xyes; then
2831 OTHERLIBS='-lXt -lSM -lICE'
2835 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2836 if test "X$LIBS" != "X$OLDLIBS"; then
2837 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2840 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2846 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2847 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2848 if test -d /usr/include/openmotif; then
2849 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2850 emacs_cv_openmotif=yes
2851 case "$canonical" in
2852 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2853 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2856 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2859 emacs_cv_openmotif=no
2861 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2862 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2863 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2866 Motif version prior to 2.1.
2868 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2869 if test $emacs_cv_motif_version_2_1 = yes; then
2870 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2871 if test x$emacs_cv_openmotif = xyes; then
2872 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2875 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2876 # We put this in CFLAGS temporarily to precede other -I options
2877 # that might be in CFLAGS temporarily.
2878 # We put this in CPPFLAGS where it precedes the other -I options.
2879 OLD_CPPFLAGS=$CPPFLAGS
2881 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2882 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2883 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2885 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2886 if test $emacs_cv_lesstif = yes; then
2887 # Make sure this -I option remains in CPPFLAGS after it is set
2888 # back to REAL_CPPFLAGS.
2889 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2890 # have those other -I options anyway. Ultimately, having this
2891 # directory ultimately in CPPFLAGS will be enough.
2892 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2893 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2896 CPPFLAGS=$OLD_CPPFLAGS
2899 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2900 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2903 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2904 dnl using Motif or Xaw3d is available, and unless
2905 dnl --with-toolkit-scroll-bars=no was specified.
2907 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2908 [Define to 1 if we should use toolkit scroll bars.])dnl
2909 USE_TOOLKIT_SCROLL_BARS=no
2910 if test "${with_toolkit_scroll_bars}" != "no"; then
2911 if test "${USE_X_TOOLKIT}" != "none"; then
2912 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2913 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2915 USE_TOOLKIT_SCROLL_BARS=yes
2916 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2917 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2918 USE_TOOLKIT_SCROLL_BARS=yes
2920 elif test "${HAVE_GTK}" = "yes"; then
2921 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2922 USE_TOOLKIT_SCROLL_BARS=yes
2923 elif test "${HAVE_NS}" = "yes"; then
2924 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2925 USE_TOOLKIT_SCROLL_BARS=yes
2926 elif test "${HAVE_W32}" = "yes"; then
2927 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2928 USE_TOOLKIT_SCROLL_BARS=yes
2932 dnl See if XIM is available.
2933 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2934 #include <X11/Xlib.h>
2935 #include <X11/Xresource.h>]],
2936 [[XIMProc callback;]])],
2938 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2941 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2943 if test "${with_xim}" != "no"; then
2944 AC_DEFINE(USE_XIM, 1,
2945 [Define to 1 if we should use XIM, if it is available.])
2949 if test "${HAVE_XIM}" != "no"; then
2951 if test "$GCC" = yes; then
2952 CFLAGS="$CFLAGS --pedantic-errors"
2954 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2955 #include <X11/Xlib.h>
2956 #include <X11/Xresource.h>]],
2962 XPointer *client_data;
2964 /* If we're not using GCC, it's probably not XFree86, and this is
2965 probably right, but we can't use something like --pedantic-errors. */
2966 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2967 char*, XIMProc, XPointer*);
2969 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2971 [emacs_cv_arg6_star=yes])
2972 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2973 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2974 either XPointer or XPointer*.])dnl
2975 if test "$emacs_cv_arg6_star" = yes; then
2976 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2978 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2983 ### Start of font-backend (under any platform) section.
2984 # (nothing here yet -- this is a placeholder)
2985 ### End of font-backend (under any platform) section.
2987 ### Start of font-backend (under X11) section.
2988 if test "${HAVE_X11}" = "yes"; then
2989 ## Use -lXft if available, unless `--with-xft=no'.
2991 if test "x${with_x}" = "xno"; then
2995 if test "$with_xft" != no; then
2996 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2997 with_xft=$HAVE_FONTCONFIG
3000 if test "x${with_xft}" != "xno"; then
3002 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
3003 ## Because xftfont.c uses XRenderQueryExtension, we also
3004 ## need to link to -lXrender.
3006 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
3007 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
3008 OLD_CPPFLAGS="$CPPFLAGS"
3009 OLD_CFLAGS="$CFLAGS"
3011 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3012 CFLAGS="$CFLAGS $XFT_CFLAGS"
3013 XFT_LIBS="-lXrender $XFT_LIBS"
3014 LIBS="$XFT_LIBS $LIBS"
3015 AC_CHECK_HEADER(X11/Xft/Xft.h,
3016 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3017 [[#include <X11/X.h>]])
3019 if test "${HAVE_XFT}" = "yes"; then
3020 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3022 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3023 fi # "${HAVE_XFT}" = "yes"
3024 CPPFLAGS=$OLD_CPPFLAGS
3027 fi # "$HAVE_XFT" != no
3028 fi # "x${with_xft}" != "xno"
3030 ## We used to allow building with FreeType and without Xft.
3031 ## However, the ftx font backend driver is not in good shape.
3032 if test "$HAVE_XFT" != "yes"; then
3033 dnl For the "Does Emacs use" message at the end.
3037 dnl Strict linkers fail with
3038 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3039 dnl if -lfreetype is not specified.
3040 dnl The following is needed to set FREETYPE_LIBS.
3041 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3043 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3047 if test "${HAVE_FREETYPE}" = "yes"; then
3048 AC_DEFINE(HAVE_FREETYPE, 1,
3049 [Define to 1 if using the freetype and fontconfig libraries.])
3050 if test "${with_libotf}" != "no"; then
3051 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3052 if test "$HAVE_LIBOTF" = "yes"; then
3053 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3054 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3055 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3056 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3057 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3058 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3059 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3063 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3064 dnl Does the new font backend require it, or can it work without it?
3068 if test "${HAVE_LIBOTF}" = yes; then
3069 if test "${with_m17n_flt}" != "no"; then
3070 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3071 if test "$HAVE_M17N_FLT" = "yes"; then
3072 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3083 ### End of font-backend (under X11) section.
3085 AC_SUBST(FREETYPE_CFLAGS)
3086 AC_SUBST(FREETYPE_LIBS)
3087 AC_SUBST(FONTCONFIG_CFLAGS)
3088 AC_SUBST(FONTCONFIG_LIBS)
3089 AC_SUBST(LIBOTF_CFLAGS)
3090 AC_SUBST(LIBOTF_LIBS)
3091 AC_SUBST(M17N_FLT_CFLAGS)
3092 AC_SUBST(M17N_FLT_LIBS)
3094 ### Use -lXpm if available, unless `--with-xpm=no'.
3095 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3096 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3097 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3098 ### LDFLAGS) accordingly.
3101 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3102 if test "${with_xpm}" != "no"; then
3103 SAVE_CPPFLAGS="$CPPFLAGS"
3104 SAVE_LDFLAGS="$LDFLAGS"
3105 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3106 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3107 AC_CHECK_HEADER(X11/xpm.h,
3108 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3109 if test "${HAVE_XPM}" = "yes"; then
3110 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3111 AC_EGREP_CPP(no_return_alloc_pixels,
3112 [#include "X11/xpm.h"
3113 #ifndef XpmReturnAllocPixels
3114 no_return_alloc_pixels
3116 ], HAVE_XPM=no, HAVE_XPM=yes)
3118 if test "${HAVE_XPM}" = "yes"; then
3119 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3123 CPPFLAGS="$SAVE_CPPFLAGS"
3124 LDFLAGS="$SAVE_LDFLAGS"
3129 if test "${HAVE_XPM}" = "yes"; then
3130 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3135 if test "${HAVE_X11}" = "yes"; then
3136 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3137 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3139 if test "${with_xpm}" != "no"; then
3140 AC_CHECK_HEADER(X11/xpm.h,
3141 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3142 if test "${HAVE_XPM}" = "yes"; then
3143 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3144 AC_EGREP_CPP(no_return_alloc_pixels,
3145 [#include "X11/xpm.h"
3146 #ifndef XpmReturnAllocPixels
3147 no_return_alloc_pixels
3149 ], HAVE_XPM=no, HAVE_XPM=yes)
3151 if test "${HAVE_XPM}" = "yes"; then
3159 if test "${HAVE_XPM}" = "yes"; then
3160 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3162 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3163 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3168 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3169 ### slightly different requirements wrt image libraries (it doesn't
3170 ### use -lXpm because it loads the xpm shared library dynamically at
3172 if test "${opsys}" = "mingw32"; then
3173 if test "${with_xpm}" != "no"; then
3174 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3178 if test "${HAVE_XPM}" = "yes"; then
3179 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3185 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3186 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3189 if test "${opsys}" = "mingw32"; then
3190 if test "${with_jpeg}" != "no"; then
3191 dnl Checking for jpeglib.h can lose because of a redefinition of
3193 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3195 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3196 if test "${HAVE_JPEG}" = "yes"; then
3197 AC_DEFINE(HAVE_JPEG)
3198 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3199 [#include <jpeglib.h>
3200 version=JPEG_LIB_VERSION
3202 [AC_DEFINE(HAVE_JPEG)],
3203 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3206 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3207 if test "${with_jpeg}" != "no"; then
3208 dnl Checking for jpeglib.h can lose because of a redefinition of
3210 AC_CHECK_HEADER(jerror.h,
3211 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3214 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3215 if test "${HAVE_JPEG}" = "yes"; then
3216 AC_DEFINE(HAVE_JPEG)
3217 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3218 [#include <jpeglib.h>
3219 version=JPEG_LIB_VERSION
3221 [AC_DEFINE(HAVE_JPEG)],
3222 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3225 if test "${HAVE_JPEG}" = "yes"; then
3233 if test "${with_zlib}" != "no"; then
3235 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3237 case $ac_cv_search_inflateEnd in
3238 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3241 if test "${HAVE_ZLIB}" = "yes"; then
3242 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3243 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3244 if test "${opsys}" = "mingw32"; then
3250 ### Use -lpng if available, unless `--with-png=no'.
3254 if test "${NS_IMPL_COCOA}" = yes; then
3256 elif test "${with_png}" != no; then
3257 # mingw32 loads the library dynamically.
3258 if test "$opsys" = mingw32; then
3259 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3260 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3261 AC_MSG_CHECKING([for png])
3262 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3263 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3264 # libpng-config does not work; configure by hand.
3265 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3266 # in /usr/include/libpng.
3267 if test -r /usr/include/libpng/png.h &&
3268 test ! -r /usr/include/png.h; then
3269 png_cflags=-I/usr/include/libpng
3277 CFLAGS="$CFLAGS $png_cflags"
3278 LIBS="$png_libs -lz -lm $LIBS"
3280 [AC_LANG_PROGRAM([[#include <png.h>]],
3281 [[return !png_get_channels (0, 0);]])],
3283 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3285 # $LIBPNG requires explicit -lz in some cases.
3286 # We don't know what those cases are, exactly, so play it safe and
3287 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3288 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3289 LIBPNG="$LIBPNG -lz"
3293 AC_MSG_RESULT([$HAVE_PNG])
3296 if test $HAVE_PNG = yes; then
3297 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3300 CFLAGS="$CFLAGS $PNG_CFLAGS"
3301 AC_CHECK_DECL([png_longjmp],
3303 [AC_DEFINE([PNG_DEPSTRUCT], [],
3304 [Define to empty to suppress deprecation warnings when building
3305 with --enable-gcc-warnings and with libpng versions before 1.5,
3306 which lack png_longjmp.])],
3312 AC_SUBST(PNG_CFLAGS)
3314 ### Use -ltiff if available, unless `--with-tiff=no'.
3315 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3318 if test "${opsys}" = "mingw32"; then
3319 if test "${with_tiff}" != "no"; then
3320 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3322 if test "${HAVE_TIFF}" = "yes"; then
3323 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3325 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3326 if test "${with_tiff}" != "no"; then
3327 AC_CHECK_HEADER(tiffio.h,
3329 # At least one tiff package requires the jpeg library.
3330 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3331 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3334 if test "${HAVE_TIFF}" = "yes"; then
3335 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3336 dnl FIXME -lz -lm, as per libpng?
3342 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3343 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3346 if test "${opsys}" = "mingw32"; then
3347 if test "${with_gif}" != "no"; then
3348 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3350 if test "${HAVE_GIF}" = "yes"; then
3351 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3353 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3354 || test "${HAVE_W32}" = "yes"; then
3355 AC_CHECK_HEADER(gif_lib.h,
3356 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3357 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3358 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3359 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3361 if test "$HAVE_GIF" = yes; then
3363 elif test "$HAVE_GIF" = maybe; then
3364 # If gif_lib.h but no libgif, try libungif.
3365 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3366 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3369 if test "${HAVE_GIF}" = "yes"; then
3370 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3375 dnl Check for required libraries.
3376 if test "${HAVE_X11}" = "yes"; then
3379 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3380 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3381 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3382 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3383 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3384 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3385 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3386 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3387 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3388 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3390 if test "X${MISSING}" != X; then
3391 AC_MSG_ERROR([The following required libraries were not found:
3393 Maybe some development libraries/packages are missing?
3394 If you don't want to link with them give
3396 as options to configure])
3400 ### Use -lgpm if available, unless `--with-gpm=no'.
3403 if test "${with_gpm}" != "no"; then
3404 AC_CHECK_HEADER(gpm.h,
3405 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3407 if test "${HAVE_GPM}" = "yes"; then
3408 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3414 dnl Check for malloc/malloc.h on darwin
3415 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3418 ### Use NeXTstep API to implement GUI.
3419 if test "${HAVE_NS}" = "yes"; then
3420 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3421 if test "${NS_IMPL_COCOA}" = "yes"; then
3422 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3424 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3425 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3426 if test $NS_GNUSTEP_CONFIG != yes; then
3427 # See also .m.o rule in src/Makefile.in. */
3428 # FIXME: are all these flags really needed? Document here why. */
3429 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3430 ## Extra CFLAGS applied to src/*.m files.
3431 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3437 ### Use session management (-lSM -lICE) if available
3440 if test "${HAVE_X11}" = "yes"; then
3441 AC_CHECK_HEADER(X11/SM/SMlib.h,
3442 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3444 if test "${HAVE_X_SM}" = "yes"; then
3445 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3451 ### Use XRandr (-lXrandr) if available
3453 if test "${HAVE_X11}" = "yes"; then
3454 XRANDR_REQUIRED=1.2.2
3455 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3456 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3457 if test $HAVE_XRANDR = no; then
3458 # Test old way in case pkg-config doesn't have it (older machines).
3459 # Include Xrender.h by hand to work around bug in older Xrandr.h
3460 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3461 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3462 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3463 [], [AC_INCLUDES_DEFAULT
3464 #include <X11/extensions/Xrender.h>])
3465 if test $HAVE_XRANDR = yes; then
3466 XRANDR_LIBS=-lXrandr
3469 if test $HAVE_XRANDR = yes; then
3470 SAVE_CFLAGS="$CFLAGS"
3472 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3473 LIBS="$XRANDR_LIBS $LIBS"
3474 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3475 CFLAGS="$SAVE_CFLAGS"
3478 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3481 AC_SUBST(XRANDR_CFLAGS)
3482 AC_SUBST(XRANDR_LIBS)
3484 ### Use Xinerama (-lXinerama) if available
3486 if test "${HAVE_X11}" = "yes"; then
3487 XINERAMA_REQUIRED=1.0.2
3488 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3489 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3490 if test $HAVE_XINERAMA = no; then
3491 # Test old way in case pkg-config doesn't have it (older machines).
3492 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3493 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3494 if test $HAVE_XINERAMA = yes; then
3495 XINERAMA_LIBS=-lXinerama
3498 if test $HAVE_XINERAMA = yes; then
3499 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3502 AC_SUBST(XINERAMA_CFLAGS)
3503 AC_SUBST(XINERAMA_LIBS)
3505 ### Use Xfixes (-lXfixes) if available
3507 if test "${HAVE_X11}" = "yes"; then
3508 XFIXES_REQUIRED=4.0.0
3509 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3510 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3511 if test $HAVE_XFIXES = no; then
3512 # Test old way in case pkg-config doesn't have it (older machines).
3513 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3514 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3515 if test $HAVE_XFIXES = yes; then
3516 XFIXES_LIBS=-lXfixes
3519 if test $HAVE_XFIXES = yes; then
3520 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3523 AC_SUBST(XFIXES_CFLAGS)
3524 AC_SUBST(XFIXES_LIBS)
3526 ### Use libxml (-lxml2) if available
3527 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3529 if test "${with_xml2}" != "no"; then
3530 ### I'm not sure what the version number should be, so I just guessed.
3531 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3532 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3533 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3534 SAVE_CPPFLAGS="$CPPFLAGS"
3535 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3536 AC_CHECK_HEADER(libxml/HTMLparser.h,
3537 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3538 [#include <libxml/HTMLparser.h>])])
3539 CPPFLAGS="$SAVE_CPPFLAGS"
3540 if test "${HAVE_LIBXML2}" = "yes"; then
3541 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3542 LIBXML2_LIBS="-lxml2"
3545 if test "${HAVE_LIBXML2}" = "yes"; then
3546 if test "${opsys}" != "mingw32"; then
3547 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3552 if test "${HAVE_LIBXML2}" = "yes"; then
3553 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3560 AC_SUBST(LIBXML2_LIBS)
3561 AC_SUBST(LIBXML2_CFLAGS)
3563 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3564 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3565 if test "${opsys}" = "mingw32"; then
3566 emacs_cv_netdb_declares_h_errno=yes
3568 AC_CACHE_CHECK(whether netdb declares h_errno,
3569 emacs_cv_netdb_declares_h_errno,
3570 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3571 [[return h_errno;]])],
3572 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3573 if test $emacs_cv_netdb_declares_h_errno = yes; then
3574 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3577 # Check for mail-locking functions in a "mail" library. Probably this should
3578 # have the same check as for liblockfile below.
3579 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3580 if test $have_mail = yes; then
3582 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3585 LIBS="$LIBS_MAIL $LIBS"
3586 AC_CHECK_FUNCS(touchlock)
3591 dnl Debian, at least:
3592 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3593 if test $have_lockfile = yes; then
3594 LIBS_MAIL=-llockfile
3595 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3597 # If we have the shared liblockfile, assume we must use it for mail
3598 # locking (e.g. Debian). If we couldn't link against liblockfile
3599 # (no liblockfile.a installed), ensure that we don't need to.
3600 dnl This works for files generally, not just executables.
3601 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3602 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3603 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3604 if test $ac_cv_prog_liblockfile = yes; then
3605 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3606 This probably means that movemail could lose mail.
3607 There may be a `development' package to install containing liblockfile.])
3610 AC_CHECK_HEADERS_ONCE(maillock.h)
3613 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3614 ## interlock access to the mail spool. The alternative is a lock file named
3615 ## /usr/spool/mail/$USER.lock.
3618 aix4-2) mail_lock="lockf" ;;
3620 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3622 ## On GNU/Linux systems, both methods are used by various mail programs.
3623 ## I assume most people are using newer mailers that have heard of flock.
3624 ## Change this if you need to.
3625 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3626 ## configure gets the right answers, and that means *NOT* using flock.
3627 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3628 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3629 ## Debian maintainer hasn't provided a clean fix for Emacs.
3630 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3631 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3632 ## correct logic. -- fx
3633 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3634 ## liblockfile is a Free Software replacement for libmail, used on
3635 ## Debian systems and elsewhere. -rfr.
3638 if test $have_mail = yes || test $have_lockfile = yes; then
3639 test $ac_cv_header_maillock_h = yes && mail_lock=no
3644 mail_lock="none-needed" ;;
3648 case "$mail_lock" in
3649 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3651 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3655 *) BLESSMAIL_TARGET="need-blessmail" ;;
3657 AC_SUBST(BLESSMAIL_TARGET)
3660 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3661 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3662 getrusage get_current_dir_name \
3663 lrand48 random rint \
3664 select getpagesize setlocale newlocale \
3665 getrlimit setrlimit shutdown getaddrinfo \
3666 pthread_sigmask strsignal setitimer \
3667 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3669 getpwent endpwent getgrent endgrent \
3670 cfmakeraw cfsetspeed copysign __executable_start log2)
3673 dnl No need to check for aligned_alloc and posix_memalign if using
3674 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3675 dnl Don't use these functions on Darwin as they are incompatible with
3677 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3678 && test "$opsys" != darwin; then
3679 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3682 dnl Cannot use AC_CHECK_FUNCS
3683 AC_CACHE_CHECK([for __builtin_unwind_init],
3684 emacs_cv_func___builtin_unwind_init,
3685 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3686 emacs_cv_func___builtin_unwind_init=yes,
3687 emacs_cv_func___builtin_unwind_init=no)])
3688 if test $emacs_cv_func___builtin_unwind_init = yes; then
3689 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3690 [Define to 1 if you have the `__builtin_unwind_init' function.])
3693 AC_CHECK_HEADERS_ONCE(sys/un.h)
3698 AC_CHECK_FUNCS(grantpt)
3700 # PTY-related GNU extensions.
3701 AC_CHECK_FUNCS(getpt posix_openpt)
3703 # Check this now, so that we will NOT find the above functions in ncurses.
3704 # That is because we have not set up to link ncurses in lib-src.
3705 # It's better to believe a function is not available
3706 # than to expect to find it in ncurses.
3707 # Also we need tputs and friends to be able to build at all.
3708 AC_MSG_CHECKING([for library containing tputs])
3709 # Run a test program that contains a call to tputs, a call that is
3710 # never executed. This tests whether a pre-'main' dynamic linker
3711 # works with the library. It's too much trouble to actually call
3712 # tputs in the test program, due to portability hassles. When
3713 # cross-compiling, assume the test program will run if it links.
3714 AC_DEFUN([tputs_link_source], [
3716 [[extern void tputs (const char *, int, int (*)(int));
3717 int main (int argc, char **argv)
3720 tputs (argv[0], 0, 0);
3724 if test "${opsys}" = "mingw32"; then
3727 # Maybe curses should be tried earlier?
3728 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3729 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3731 if test -z "$tputs_library"; then
3735 LIBS_TERMCAP=-l$tputs_library
3737 LIBS="$LIBS_TERMCAP $LIBS"
3739 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3740 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3742 if test "X$msg" != Xno; then
3747 AC_MSG_RESULT([$msg])
3748 if test "X$msg" = Xno; then
3749 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3750 The following libraries were tried (in order):
3751 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3752 Please try installing whichever of these libraries is most appropriate
3753 for your system, together with its header files.
3754 For example, a libncurses-dev(el) or similar package.])
3757 ## Use termcap instead of terminfo?
3758 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3760 ## FIXME? In the cases below where we unconditionally set
3761 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3762 ## if that was found above to have tputs.
3763 ## Should we use the gnu* logic everywhere?
3765 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3766 ## The ncurses library has been moved out of the System framework in
3767 ## Mac OS X 10.2. So if configure detects it, set the command-line
3768 ## option to use it.
3769 darwin) LIBS_TERMCAP="-lncurses" ;;
3771 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3774 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3775 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3776 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3777 [[#if __FreeBSD_version < 400000
3780 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3782 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3784 if test $emacs_cv_freebsd_terminfo = yes; then
3785 LIBS_TERMCAP="-lncurses"
3788 LIBS_TERMCAP="-ltermcap"
3798 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3800 LIBS_TERMCAP="-ltermcap"
3804 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3806 ## hpux: Make sure we get select from libc rather than from libcurses
3807 ## because libcurses on HPUX 10.10 has a broken version of select.
3808 ## We used to use -lc -lcurses, but this may be cleaner.
3809 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3810 # set that way, now it uses the default). Isn't this a contradiction?
3811 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3815 TERMCAP_OBJ=tparam.o
3816 if test $TERMINFO = yes; then
3817 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3818 TERMCAP_OBJ=terminfo.o
3820 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3821 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3823 AC_SUBST(LIBS_TERMCAP)
3824 AC_SUBST(TERMCAP_OBJ)
3826 # GNU/Linux-specific timer functions.
3827 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3829 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3831 [[timerfd_create (CLOCK_REALTIME,
3832 TFD_CLOEXEC | TFD_NONBLOCK);
3833 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3834 [emacs_cv_have_timerfd=yes],
3835 [emacs_cv_have_timerfd=no])])
3836 if test "$emacs_cv_have_timerfd" = yes; then
3837 AC_DEFINE([HAVE_TIMERFD], 1,
3838 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3841 # Alternate stack for signal handlers.
3842 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3843 [emacs_cv_alternate_stack],
3845 [AC_LANG_PROGRAM([[#include <signal.h>
3848 struct sigaction sa;
3849 ss.ss_sp = malloc (SIGSTKSZ);
3850 ss.ss_size = SIGSTKSZ;
3851 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3852 sigaltstack (&ss, 0);
3853 sigaction (SIGSEGV, &sa, 0);]])],
3854 [emacs_cv_alternate_stack=yes],
3855 [emacs_cv_alternate_stack=no])])
3857 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3858 # On Darwin, res_init appears not to be useful: see bug#562 and
3859 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3862 if test $opsys != darwin; then
3864 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3865 #include <arpa/nameser.h>
3866 #include <resolv.h>]],
3867 [[return res_init();]])],
3868 have_res_init=yes, have_res_init=no)
3869 if test "$have_res_init" = no; then
3871 LIBS="$LIBS -lresolv"
3872 AC_MSG_CHECKING(for res_init with -lresolv)
3873 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3874 #include <arpa/nameser.h>
3875 #include <resolv.h>]],
3876 [[return res_init();]])],
3877 have_res_init=yes, have_res_init=no)
3878 AC_MSG_RESULT($have_res_init)
3879 if test "$have_res_init" = yes ; then
3885 if test "$have_res_init" = yes; then
3886 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3890 # Do we need the Hesiod library to provide the support routines?
3891 dnl FIXME? Should we be skipping this on Darwin too?
3893 if test "$with_hesiod" != no ; then
3894 # Don't set $LIBS here -- see comments above. FIXME which comments?
3895 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3896 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3897 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3898 if test "$resolv" = yes ; then
3903 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3904 hesiod=yes, :, $RESOLVLIB)])
3906 if test x"$hesiod" = xyes; then
3912 # Do we need libresolv (due to res_init or Hesiod)?
3913 if test "$resolv" = yes && test $opsys != darwin; then
3920 # These tell us which Kerberos-related libraries to use.
3927 if test "${with_kerberos}" != no; then
3929 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3930 if test $have_com_err = yes; then
3931 COM_ERRLIB=-lcom_err
3932 LIBS="$COM_ERRLIB $LIBS"
3934 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3935 if test $have_crypto = yes; then
3937 LIBS="$CRYPTOLIB $LIBS"
3939 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3940 if test $have_k5crypto = yes; then
3941 CRYPTOLIB=-lk5crypto
3942 LIBS="$CRYPTOLIB $LIBS"
3944 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3945 if test $have_krb5=yes; then
3947 LIBS="$KRB5LIB $LIBS"
3949 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3950 if test "${with_kerberos5}" = no; then
3951 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3952 if test $have_des425 = yes; then
3954 LIBS="$DESLIB $LIBS"
3956 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3957 if test $have_des = yes; then
3959 LIBS="$DESLIB $LIBS"
3962 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3963 if test $have_krb4 = yes; then
3965 LIBS="$KRB4LIB $LIBS"
3967 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3968 if test $have_krb = yes; then
3970 LIBS="$KRB4LIB $LIBS"
3975 if test "${with_kerberos5}" != no; then
3976 AC_CHECK_HEADERS(krb5.h,
3977 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3978 [#include <krb5.h>])])
3980 AC_CHECK_HEADERS(krb.h,,
3981 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3982 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3984 AC_CHECK_HEADERS(com_err.h)
3988 AC_SUBST(COM_ERRLIB)
3994 AC_CHECK_HEADERS(valgrind/valgrind.h)
3996 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3999 AC_CHECK_FUNC(socket, , ok_so_far=no)
4000 if test $ok_so_far = yes; then
4001 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4003 if test $ok_so_far = yes; then
4004 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4006 if test $ok_so_far = yes; then
4007 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4008 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4009 [Define to 1 if you have inet sockets.])
4014 AC_CHECK_FUNCS(snprintf)
4016 dnl Check for glib. This differs from other library checks in that
4017 dnl Emacs need not link to glib unless some other library is already
4018 dnl linking to glib. Although glib provides no facilities that Emacs
4019 dnl needs for its own purposes, when glib is present Emacs needs to
4020 dnl use primitives like g_main_context_query to avoid clashing with
4021 dnl glib at a low level.
4023 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4027 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4028 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4029 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
4030 LIBS="$LIBS $GFILENOTIFY_LIBS"
4031 AC_MSG_CHECKING([whether GLib is linked in])
4032 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4035 [[g_print ("Hello world");]])],
4038 AC_MSG_RESULT([$links_glib])
4039 if test "${links_glib}" = "yes"; then
4040 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4041 if test "$HAVE_NS" = no;then
4049 dnl Adapted from Haible's version.
4050 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4051 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4052 [[char* cs = nl_langinfo(CODESET);]])],
4053 emacs_cv_langinfo_codeset=yes,
4054 emacs_cv_langinfo_codeset=no)
4056 if test $emacs_cv_langinfo_codeset = yes; then
4057 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4058 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4063 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4064 dnl how the tty code is related to POSIX and/or other versions of termios.
4065 dnl The following looks like a useful start.
4067 dnl AC_SYS_POSIX_TERMIOS
4068 dnl if test $ac_cv_sys_posix_termios = yes; then
4069 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4070 dnl and macros for terminal control.])
4071 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4074 dnl Turned on June 1996 supposing nobody will mind it.
4075 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4076 if test "${opsys}" != "mingw32"; then
4077 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4078 in the full name stands for the login id.])
4081 dnl Everybody supports this, except MS.
4082 dnl Seems like the kind of thing we should be testing for, though.
4083 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4084 if test "${opsys}" != "mingw32"; then
4085 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4088 dnl Everybody supports this, except MS-DOS.
4089 dnl Seems like the kind of thing we should be testing for, though.
4090 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4091 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4092 4.2-compatible sockets.])
4094 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4096 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4097 a null file, or a data sink.])
4098 if test "${opsys}" = "mingw32"; then
4099 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4101 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4104 if test "${opsys}" = "mingw32"; then
4109 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4110 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4111 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4112 dnl decides that a command-line argument to be passed to a MinGW program
4113 dnl is a PATH-style list of directories. But that heuristics plays it
4114 dnl safe, and only does the replacement when it is _absolutely_ sure it
4115 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4116 dnl which breaks in-tree builds. So we do this manually instead.
4117 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4118 dnl be computed as ':' in MSYS Bash.
4121 dnl Everybody supports this, except MS-DOS.
4122 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4124 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4127 AC_DEFINE(DIRECTORY_SEP, ['/'],
4128 [Character that separates directories in a file name.])
4130 if test "${opsys}" = "mingw32"; then
4131 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4132 [Returns true if character is a device separator.])
4134 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4135 [Returns true if character is a directory separator.])
4137 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4138 [Returns true if character is any form of separator.])
4140 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4141 [Returns true if character is a device separator.])
4143 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4144 [Returns true if character is a directory separator.])
4146 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4147 [Returns true if character is any form of separator.])
4150 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4154 dnl Unfortunately without libXmu we cannot support EditRes.
4155 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4156 AC_DEFINE(NO_EDITRES, 1)
4161 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4162 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4163 AC_DEFINE(NO_EDITRES, 1)
4169 irix6-5 | sol2* | unixware )
4170 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4171 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4172 dnl need the constant to dimension an array. So wire in the appropriate
4174 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4178 emacs_broken_SIGIO=no
4181 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4182 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4183 hpux* | irix6-5 | openbsd | sol2* | unixware )
4184 emacs_broken_SIGIO=yes
4188 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4189 dnl the way this system works, libc functions that return malloced
4190 dnl memory use the libc malloc implementation. Calling xfree or
4191 dnl xrealloc on the results of such functions results in a crash.
4193 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4194 dnl but that does not currently work on this system.
4196 dnl It is possible to completely override the malloc implementation on
4197 dnl AIX, but that involves putting the malloc functions in a shared
4198 dnl library and setting the MALLOCTYPE environment variable to point to
4199 dnl that shared library.
4201 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4202 dnl to avoid a crash just use the Emacs implementation for that function.
4204 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4205 dnl of this file, so that we do not check for get_current_dir_name
4206 dnl on AIX. But that might be fragile if something else ends
4207 dnl up testing for get_current_dir_name as a dependency.
4208 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4209 get_current_dir_name should not be used.])
4213 dnl Circumvent a bug in FreeBSD. In the following sequence of
4214 dnl writes/reads on a PTY, read(2) returns bogus data:
4216 dnl write(2) 1022 bytes
4217 dnl write(2) 954 bytes, get EAGAIN
4218 dnl read(2) 1024 bytes in process_read_output
4219 dnl read(2) 11 bytes in process_read_output
4221 dnl That is, read(2) returns more bytes than have ever been written
4222 dnl successfully. The 1033 bytes read are the 1022 bytes written
4223 dnl successfully after processing (for example with CRs added if the
4224 dnl terminal is set up that way which it is here). The same bytes will
4225 dnl be seen again in a later read(2), without the CRs.
4226 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4227 work around an issue when reading from a PTY.])
4233 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4234 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4239 darwin | dragonfly | freebsd | netbsd | openbsd )
4240 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4241 close a pty to make it a controlling terminal (it is already a
4242 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4246 dnl FIXME Surely we can test for this rather than hard-code it.
4248 netbsd | openbsd) sound_device="/dev/audio" ;;
4249 *) sound_device="/dev/dsp" ;;
4253 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4254 [Name of the default sound device.])
4257 dnl Emacs can read input using SIGIO and buffering characters itself,
4258 dnl or using CBREAK mode and making C-g cause SIGINT.
4259 dnl The choice is controlled by the variable interrupt_input.
4261 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4263 dnl Emacs uses the presence of the USABLE_SIGIO macro
4264 dnl to indicate whether or not signal-driven I/O is possible. It uses
4265 dnl INTERRUPT_INPUT to decide whether to use it by default.
4267 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4268 dnl CBREAK mode has two disadvantages
4269 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4270 dnl I hear that in system V this problem does not exist.
4271 dnl 2) Control-G causes output to be discarded.
4272 dnl I do not know whether this can be fixed in system V.
4274 dnl Another method of doing input is planned but not implemented.
4275 dnl It would have Emacs fork off a separate process
4276 dnl to read the input and send it to the true Emacs process
4279 darwin | gnu-linux | gnu-kfreebsd )
4280 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4285 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4286 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4287 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4288 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4289 dnl taking float or double parameters.
4291 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4292 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4293 file defines `NeedWidePrototypes' as `NO'.])
4298 dnl Used in process.c, this must be a loop, even if it only runs once.
4299 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4300 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4301 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4302 dnl trying suffixes 0-16.
4303 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4304 first PTY, if PTYs are supported.])
4305 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4306 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4307 end of a PTY, if non-standard.])
4308 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4309 end of a PTY, if non-standard.])
4313 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4314 dnl You allocate a pty by opening /dev/ptc to get the master side.
4315 dnl To get the name of the slave side, you just ttyname() the master side.
4316 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4317 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4321 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4322 dnl multi-line AC_DEFINEs are hard. :(
4323 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)])
4324 AC_DEFINE(PTY_NAME_SPRINTF, [])
4325 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4328 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4330 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4331 dnl Not used, because PTY_ITERATION is defined.
4332 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4333 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4334 dnl But we don't have to block SIGCHLD because it is blocked in the
4335 dnl implementation of grantpt.
4336 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4337 AC_DEFINE(PTY_NAME_SPRINTF, [])
4338 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4342 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4345 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4347 if test "x$ac_cv_func_grantpt" = xyes; then
4348 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4349 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4350 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4351 dnl to prevent sigchld_handler from intercepting the child's death.
4352 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); }])
4353 dnl if HAVE_POSIX_OPENPT
4354 if test "x$ac_cv_func_posix_openpt" = xyes; then
4355 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4356 AC_DEFINE(PTY_NAME_SPRINTF, [])
4358 elif test "x$ac_cv_func_getpt" = xyes; then
4359 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4360 AC_DEFINE(PTY_NAME_SPRINTF, [])
4362 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4365 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4370 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4371 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4372 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4376 dnl It looks like this cannot be right, because it is not a loop.
4377 dnl However, process.c actually does this:
4383 dnl which presumably makes it OK, since irix == sgi (?).
4384 dnl FIXME it seems like this special treatment is unnecessary?
4385 dnl Why can't irix use a single-trip loop like eg cygwin?
4386 AC_DEFINE(PTY_ITERATION, [])
4387 dnl Not used, because PTY_ITERATION is defined.
4388 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4389 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); }])
4390 dnl No need to get the pty name at all.
4391 AC_DEFINE(PTY_NAME_SPRINTF, [])
4392 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4393 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4397 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4398 dnl from intercepting that death. If any child but grantpt's should die
4399 dnl within, it should be caught after sigrelse(2).
4400 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); }])
4404 dnl Comments are as per sol2*.
4405 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); }])
4412 dnl This change means that we don't loop through allocate_pty too
4413 dnl many times in the (rare) event of a failure.
4414 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4415 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4416 dnl Push various streams modules onto a PTY channel. Used in process.c.
4417 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.])
4422 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4423 "typing" a signal character on the pty.])
4426 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4427 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4428 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4429 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4432 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4433 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4434 gnu-linux | gnu-kfreebsd )
4436 AC_MSG_CHECKING([for signals via characters])
4437 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4438 #include <linux/version.h>
4439 #if LINUX_VERSION_CODE < 0x20400
4440 # error "Linux version too old"
4442 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4444 AC_MSG_RESULT([$emacs_signals_via_chars])
4445 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4450 AH_TEMPLATE(TAB3, [Undocumented.])
4453 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4455 gnu | dragonfly | freebsd | netbsd | openbsd )
4456 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4457 AC_DEFINE(TAB3, OXTABS)
4460 gnu-linux | gnu-kfreebsd )
4461 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4465 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4466 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4467 [Mark a secondary stack, like the register stack on the ia64.]), [])
4471 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4472 run_time_remap; for HPUX.])
4477 dnl This won't be used automatically yet. We also need to know, at least,
4478 dnl that the stack is continuous.
4479 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4480 registers relevant for conservative garbage collection in the jmp_buf.])
4484 dnl Not all the architectures are tested, but there are Debian packages
4485 dnl for SCM and/or Guile on them, so the technique must work. See also
4486 dnl comments in alloc.c concerning setjmp and gcc.
4487 dnl Fixme: it's probably safe to just use the GCC conditional below.
4488 gnu-linux | gnu-kfreebsd )
4489 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4490 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4491 || defined __alpha__ || defined __mips__ || defined __s390__ \
4492 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4493 || defined __ia64__ || defined __sh__
4496 # error "setjmp not known to work on this arch"
4498 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4503 if test x$GCC = xyes; then
4504 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4505 AC_DEFINE(GC_SETJMP_WORKS, 1)
4508 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4509 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4510 AC_DEFINE(GC_SETJMP_WORKS, 1)
4515 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4516 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4519 [[#include <setjmp.h>
4521 # define _longjmp longjmp
4526 _longjmp (j, 1);]])],
4527 [emacs_cv_func__setjmp=yes],
4528 [emacs_cv_func__setjmp=no])])
4529 if test $emacs_cv_func__setjmp = yes; then
4530 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4533 # We need to preserve signal mask to handle C stack overflows.
4534 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4537 [[#include <setjmp.h>
4540 if (! sigsetjmp (j, 1))
4541 siglongjmp (j, 1);]])],
4542 [emacs_cv_func_sigsetjmp=yes],
4543 [emacs_cv_func_sigsetjmp=no])])
4544 if test $emacs_cv_func_sigsetjmp = yes; then
4545 AC_DEFINE([HAVE_SIGSETJMP], 1,
4546 [Define to 1 if sigsetjmp and siglongjmp work.])
4549 # We need all of these features to handle C stack overflows.
4550 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4551 "$ac_cv_func_getrlimit" = "yes" -a \
4552 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4553 "$emacs_cv_alternate_stack" = yes; then
4554 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4555 [Define to 1 if C stack overflow can be handled in some cases.])
4560 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4561 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4562 dnl and this is all we need.
4563 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4570 dnl Used in xfaces.c.
4571 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4572 some systems, where it requires time.h.])
4577 dnl Define symbols to identify the version of Unix this is.
4578 dnl Define all the symbols that apply correctly.
4579 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4580 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4581 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4582 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4587 dnl This symbol should be defined on AIX Version 3 ???????
4588 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4590 # error "_AIX not defined"
4592 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4596 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4600 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4601 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4602 dnl distinguish OS X from pure Darwin.
4603 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4606 gnu-linux | gnu-kfreebsd )
4608 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4613 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4618 AC_DEFINE(USG5_4, [])
4619 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4623 AC_DEFINE(DOS_NT, [])
4624 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4625 if test "x$ac_enable_checking" != "x" ; then
4626 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4632 AC_DEFINE(USG5_4, [])
4633 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4638 AC_DEFINE(USG5_4, [])
4642 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4645 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4646 emacs_cv_usable_FIONREAD=no
4650 emacs_cv_usable_FIONREAD=yes
4655 [AC_LANG_PROGRAM([[#include <sys/types.h>
4656 #include <sys/ioctl.h>
4658 # include <sys/filio.h>
4661 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4662 [emacs_cv_usable_FIONREAD=yes],
4663 [emacs_cv_usable_FIONREAD=no])
4666 if test $emacs_cv_usable_FIONREAD = yes; then
4667 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4669 if test $emacs_broken_SIGIO = no; then
4670 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4672 [AC_LANG_PROGRAM([[#include <fcntl.h>
4675 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4676 [emacs_cv_usable_SIGIO=yes],
4677 [emacs_cv_usable_SIGIO=no])],
4678 [emacs_cv_usable_SIGIO=yes],
4679 [emacs_cv_usable_SIGIO=no])
4680 if test $emacs_cv_usable_SIGIO = yes; then
4681 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4688 dnl It works to open the pty's tty in the parent (Emacs), then
4689 dnl close and reopen it in the child.
4690 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4691 works to open a pty's tty in the parent process, then close and
4692 reopen it in the child.])
4696 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4697 use VSUSP instead of VSWTCH.])
4701 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4706 # Set up the CFLAGS for real compilation, so we can substitute it.
4707 CFLAGS="$REAL_CFLAGS"
4708 CPPFLAGS="$REAL_CPPFLAGS"
4711 ## Hack to detect a buggy GCC version.
4712 if test "x$GCC" = xyes \
4713 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4714 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4715 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4716 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4719 version=$PACKAGE_VERSION
4721 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4722 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4723 [Short copyright string for this version of Emacs.])
4726 ### Specify what sort of things we'll be editing into Makefile and config.h.
4727 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4729 AC_SUBST(configuration)
4734 AC_SUBST(exec_prefix)
4737 AC_SUBST(sharedstatedir)
4738 AC_SUBST(libexecdir)
4742 AC_SUBST(standardlisppath)
4743 AC_SUBST(locallisppath)
4745 AC_SUBST(x_default_search_path)
4747 AC_SUBST(archlibdir)
4753 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4754 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4755 ## end of LIBX_BASE, but nothing ever set it.
4756 AC_SUBST(LD_SWITCH_X_SITE)
4757 AC_SUBST(C_SWITCH_X_SITE)
4758 AC_SUBST(GNUSTEP_CFLAGS)
4760 ## Used in lwlib/Makefile.in.
4761 AC_SUBST(X_TOOLKIT_TYPE)
4763 AC_SUBST(ns_appbindir)
4764 AC_SUBST(ns_appresdir)
4766 AC_SUBST(GNU_OBJC_CFLAGS)
4767 AC_SUBST(OTHER_FILES)
4769 if test -n "${term_header}"; then
4770 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4771 [Define to the header for the built-in window system.])
4774 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4775 [Define to the canonical Emacs configuration name.])
4776 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4777 [Define to the options passed to configure.])
4778 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4779 define this to include extra configuration information.])
4783 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4790 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4791 AC_DEFINE(HAVE_X_WINDOWS, 1,
4792 [Define to 1 if you want to use the X window system.])
4794 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4796 if test "$HAVE_XFT" = "yes"; then
4797 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4798 elif test "$HAVE_FREETYPE" = "yes"; then
4799 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4809 if test "${USE_X_TOOLKIT}" != "none" ; then
4811 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4812 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4813 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4814 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4815 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4819 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4820 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4824 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4825 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4826 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4830 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4831 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4834 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4837 AC_SUBST(WIDGET_OBJ)
4840 case "$USE_X_TOOLKIT" in
4841 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4842 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4843 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
4845 AC_SUBST(TOOLKIT_LIBW)
4847 if test "${opsys}" != "mingw32"; then
4848 if test "$USE_X_TOOLKIT" = "none"; then
4849 LIBXT_OTHER="\$(LIBXSM)"
4851 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4854 AC_SUBST(LIBXT_OTHER)
4856 if test "${HAVE_X11}" = "yes" ; then
4857 AC_DEFINE(HAVE_X11, 1,
4858 [Define to 1 if you want to use version 11 of X windows.])
4859 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4863 AC_SUBST(LIBX_OTHER)
4865 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4867 elif test "$USE_X_TOOLKIT" = none; then
4868 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4870 LIBXMENU='$(lwlibdir)/liblw.a'
4874 AC_CACHE_CHECK([for struct alignment],
4875 [emacs_cv_struct_alignment],
4877 [AC_LANG_PROGRAM([[#include <stddef.h>
4878 struct __attribute__ ((aligned (8))) s { char c; };
4879 struct t { char c; struct s s; };
4880 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4882 [emacs_cv_struct_alignment=yes],
4883 [emacs_cv_struct_alignment=no])])
4884 if test "$emacs_cv_struct_alignment" = yes; then
4885 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4886 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4887 structure to an N-byte boundary.])
4890 if test "${GNU_MALLOC}" = "yes" ; then
4891 AC_DEFINE(GNU_MALLOC, 1,
4892 [Define to 1 if you want to use the GNU memory allocator.])
4896 if test "${REL_ALLOC}" = "yes" ; then
4897 AC_DEFINE(REL_ALLOC, 1,
4898 [Define REL_ALLOC if you want to use the relocating allocator for
4901 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4903 AC_SUBST(RALLOC_OBJ)
4905 if test "$opsys" = "cygwin"; then
4906 CYGWIN_OBJ="sheap.o cygw32.o"
4907 ## Cygwin differs because of its unexec().
4909 POST_ALLOC_OBJ=lastfile.o
4910 elif test "$opsys" = "mingw32"; then
4913 POST_ALLOC_OBJ=lastfile.o
4916 PRE_ALLOC_OBJ=lastfile.o
4919 AC_SUBST(CYGWIN_OBJ)
4920 AC_SUBST(PRE_ALLOC_OBJ)
4921 AC_SUBST(POST_ALLOC_OBJ)
4923 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4924 dnl verbatim defined above. The tricky name is apropos, as this hack
4925 dnl makes Fortify go sour!
4926 AH_VERBATIM([FORTIFY_SOUR],
4927 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4928 The workaround disables some useful run-time checking, so it
4929 should be conditional to the platforms with the performance bug.
4930 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4931 #if defined __APPLE__ && defined __GNUC__
4932 # ifndef _DONT_USE_CTYPE_INLINE_
4933 # define _DONT_USE_CTYPE_INLINE_
4935 # ifndef _FORTIFY_SOURCE
4936 # define _FORTIFY_SOURCE 0
4941 # If user asks to omit features, disable optional features that gnulib
4942 # might otherwise enable.
4943 if test "$with_features" = no && test "$enable_acl" != yes; then
4947 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4948 # it temporarily reverts them to their pre-pkg-config values,
4949 # because gnulib needs to work with both src (which uses the
4950 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4951 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4952 # and it therefore needs to run in an environment where LIBS does not
4953 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4954 # for some package unrelated to lib-src.
4957 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4958 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4959 gl_ASSERT_NO_GNULIB_POSIXCHECK
4960 gl_ASSERT_NO_GNULIB_TESTS
4965 if test "${opsys}" = "mingw32"; then
4966 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4967 # Remove unneeded switches from the value of CC that goes to Makefiles
4968 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4972 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4974 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4977 ## The -headerpad option tells ld (see man page) to leave room at the
4978 ## end of the header for adding load commands. Needed for dumping.
4979 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4980 ## architecture (where they are 78 bytes each). The actual number of
4981 ## load commands added is not consistent but normally ranges from
4982 ## about 14 to about 34. Setting it high gets us plenty of slop and
4983 ## only costs about 1.5K of wasted binary space.
4984 headerpad_extra=1000
4985 if test "$HAVE_NS" = "yes"; then
4986 libs_nsgui="-framework AppKit"
4987 if test "$NS_IMPL_COCOA" = "yes"; then
4988 libs_nsgui="$libs_nsgui -framework IOKit"
4993 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4995 ## This is here because src/Makefile.in did some extra fiddling around
4996 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4997 ## LD_SWITCH_SYSTEM_TEMACS instead,
4998 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4999 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5002 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5003 ## find X at run-time.
5004 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5005 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5006 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5007 ## had different values in configure (in ac_link) and src/Makefile.in.
5008 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5009 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5012 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5013 case "$canonical" in
5014 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5015 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5019 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
5021 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5024 if test x$ac_enable_profiling != x ; then
5026 *freebsd | gnu-linux) ;;
5027 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5031 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5033 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5035 ## Common for all window systems
5036 if test "$window_system" != "none"; then
5037 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5038 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5039 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5042 AC_SUBST(WINDOW_SYSTEM_OBJ)
5044 AH_TOP([/* GNU Emacs site configuration template file.
5046 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
5047 Free Software Foundation, Inc.
5049 This file is part of GNU Emacs.
5051 GNU Emacs is free software: you can redistribute it and/or modify
5052 it under the terms of the GNU General Public License as published by
5053 the Free Software Foundation, either version 3 of the License, or
5054 (at your option) any later version.
5056 GNU Emacs is distributed in the hope that it will be useful,
5057 but WITHOUT ANY WARRANTY; without even the implied warranty of
5058 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5059 GNU General Public License for more details.
5061 You should have received a copy of the GNU General Public License
5062 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5065 /* No code in Emacs #includes config.h twice, but some bits of code
5066 intended to work with other packages as well (like gmalloc.c)
5067 think they can include it as many times as they like. */
5068 #ifndef EMACS_CONFIG_H
5069 #define EMACS_CONFIG_H
5072 AH_BOTTOM([#include <conf_post.h>
5074 #endif /* EMACS_CONFIG_H */
5083 #### Report on what we decided to do.
5084 #### Report GTK as a toolkit, even if it doesn't use Xt.
5085 #### It makes printing result more understandable as using GTK sets
5086 #### toolkit_scroll_bars to yes by default.
5087 if test "${HAVE_GTK}" = "yes"; then
5088 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5091 if test $USE_ACL -ne 0; then
5092 ACL_SUMMARY="yes $LIB_ACL"
5098 Configured for \`${canonical}'.
5100 Where should the build process find the source code? ${srcdir}
5101 What compiler should emacs be built with? ${CC} ${CFLAGS}
5102 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5103 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5104 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5105 What window system should Emacs use? ${window_system}
5106 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5108 if test -n "${x_includes}"; then
5109 echo " Where do we find X Windows header files? ${x_includes}"
5111 echo " Where do we find X Windows header files? Standard dirs"
5113 if test -n "${x_libraries}"; then
5114 echo " Where do we find X Windows libraries? ${x_libraries}"
5116 echo " Where do we find X Windows libraries? Standard dirs"
5120 emacs_config_features=
5121 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5122 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5126 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5127 *) eval val=\${HAVE_$opt} ;;
5129 test x"$val" = xno && continue
5130 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5133 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5134 [Summary of some of the main features enabled by configure.])
5136 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5137 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5138 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5139 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5140 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5141 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5142 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5143 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5145 echo " Does Emacs support sound? ${HAVE_SOUND}"
5147 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5148 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5149 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5150 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5151 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5152 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5153 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5154 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5155 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5157 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5158 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5159 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5160 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5161 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5163 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5165 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
5166 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
5167 echo " Does xwidgets support gobject introspection? ${HAVE_GIR}"
5170 if test -n "${EMACSDATA}"; then
5171 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5173 if test -n "${EMACSDOC}"; then
5174 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5179 if test "$HAVE_NS" = "yes"; then
5181 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5182 The installed application will go to nextstep/Emacs.app and can be
5183 run or moved from there."
5184 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5185 echo "The application will be fully self-contained."
5187 echo "The lisp resources for the application will be installed under ${prefix}.
5188 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5189 to run if these resources are not installed."
5194 if test "${opsys}" = "cygwin"; then
5196 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5202 # Remove any trailing slashes in these variables.
5203 [test "${prefix}" != NONE &&
5204 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5205 test "${exec_prefix}" != NONE &&
5206 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5208 if test "$HAVE_NS" = "yes"; then
5209 if test "$NS_IMPL_GNUSTEP" = yes; then
5210 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5211 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5212 ns_check_file=Resources/Info-gnustep.plist
5214 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5215 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5216 ns_check_file=Contents/Info.plist
5218 AC_SUBST(ns_check_file)
5221 dnl config.status treats $srcdir specially, so I think this is ok...
5222 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5224 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5225 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5226 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5227 dnl (else you get "no `Makefile.am' found for any configure output").
5228 dnl This will work, but you get a config.status that is not quite right
5229 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5230 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5231 dnl it seems better to just live with the duplication.
5232 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5234 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5235 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5236 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5237 leim/Makefile nextstep/Makefile nt/Makefile])
5239 dnl test/ is not present in release tarfiles.
5240 opt_makefile=test/automated/Makefile
5242 if test -f "$srcdir/$opt_makefile.in"; then
5243 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5244 dnl Again, it's best not to use a variable. Though you can add
5245 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5246 AC_CONFIG_FILES([test/automated/Makefile])
5250 dnl The admin/ directory used to be excluded from tarfiles.
5251 if test -d $srcdir/admin; then
5252 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5253 AC_CONFIG_FILES([admin/unidata/Makefile])
5254 AC_CONFIG_FILES([admin/grammars/Makefile])
5258 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5260 AC_SUBST(SUBDIR_MAKEFILES_IN)
5262 dnl You might wonder (I did) why epaths.h is generated by running make,
5263 dnl rather than just letting configure generate it from epaths.in.
5264 dnl One reason is that the various paths are not fully expanded (see above);
5265 dnl eg gamedir=${prefix}/var/games/emacs.
5266 dnl Secondly, the GNU Coding standards require that one should be able
5267 dnl to run `make prefix=/some/where/else' and override the values set
5268 dnl by configure. This also explains the `move-if-change' test and
5269 dnl the use of force in the `epaths-force' rule in Makefile.in.
5270 AC_CONFIG_COMMANDS([src/epaths.h], [
5271 if test "${opsys}" = "mingw32"; then
5272 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5274 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5275 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5276 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5278 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5279 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5281 AC_CONFIG_COMMANDS([src/.gdbinit], [
5282 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5283 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5287 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5288 dnl See comments for etc-refcards-emacsver.tex.
5289 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5290 dnl it is not quite the same. But we are generating in $srcdir.
5291 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5292 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5293 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5296 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5297 dnl then a directory etc/refcards is created in the build directory,
5298 dnl which is probably harmless, but confusing (in out-of-tree builds).
5299 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5300 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5301 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5302 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5303 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5308 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])