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_OFF([cairo],[compile with Cairo drawing])
339 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
340 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
342 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
343 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
344 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
346 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
347 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
348 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
349 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
350 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
352 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
353 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
354 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
355 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
356 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
357 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
358 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
360 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
361 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
362 [ case "${withval}" in
363 y | ye | yes ) val=yes ;;
365 g | gf | gfi | gfil | gfile ) val=gfile ;;
366 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
367 w | w3 | w32 ) val=w32 ;;
368 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
369 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
370 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
371 otherwise for the first of `gfile' or `inotify' that is usable.])
374 with_file_notification=$val
376 [with_file_notification=$with_features])
378 ## For the times when you want to build Emacs but don't have
379 ## a suitable makeinfo, and can live without the manuals.
380 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
381 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
383 ## This might be a 'configure' arg.
384 AC_SUBST([ACLOCAL_PATH])
386 ## Makefile.in needs the cache file name.
389 ## This is an option because I do not know if all info/man support
390 ## compressed files, nor how to test if they do so.
391 OPTION_DEFAULT_ON([compress-install],
392 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
393 make GZIP_PROG= install])
395 AC_ARG_WITH(gameuser,dnl
396 [AS_HELP_STRING([--with-gameuser=USER_OR_GROUP],
397 [user for shared game score files.
398 An argument prefixed by ':' specifies a group instead.])])
401 # We don't test if we can actually chown/chgrp here, because configure
402 # may run without root privileges. lib-src/Makefile.in will handle
403 # any errors due to missing user/group gracefully.
404 case ${with_gameuser} in
406 "" | yes) gamegroup=games ;;
407 :*) gamegroup=`echo "${with_gameuser}" | sed -e "s/://"` ;;
408 *) gameuser=${with_gameuser} ;;
411 AC_ARG_WITH([gnustep-conf],dnl
412 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
413 [name of GNUstep configuration file to use on systems where the command
414 'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or
415 /etc/GNUstep/GNUstep.conf])])
416 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
417 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
418 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
419 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
421 AC_ARG_ENABLE(ns-self-contained,
422 [AS_HELP_STRING([--disable-ns-self-contained],
423 [disable self contained build under NeXTstep])],
424 EN_NS_SELF_CONTAINED=$enableval,
425 EN_NS_SELF_CONTAINED=yes)
428 AC_ARG_ENABLE(locallisppath,
429 [AS_HELP_STRING([--enable-locallisppath=PATH],
430 [directories Emacs should search for lisp files specific
432 if test "${enableval}" = "no"; then
434 elif test "${enableval}" != "yes"; then
435 locallisppath=${enableval} locallisppathset=yes
438 AC_ARG_ENABLE(checking,
439 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
440 [enable expensive run-time checks. With LIST,
441 enable only specific categories of checks.
442 Categories are: all,yes,no.
443 Flags are: stringbytes, stringoverrun, stringfreelist,
444 xmallocoverrun, conslist, glyphs])],
445 [ac_checking_flags="${enableval}"],[])
446 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
447 for check in $ac_checking_flags
450 # these set all the flags to specific states
451 yes) ac_enable_checking=1 ;;
452 no) ac_enable_checking= ;
453 ac_gc_check_stringbytes= ;
454 ac_gc_check_string_overrun= ;
455 ac_gc_check_string_free_list= ;
456 ac_xmalloc_overrun= ;
457 ac_gc_check_cons_list= ;
459 all) ac_enable_checking=1 ;
460 ac_gc_check_stringbytes=1 ;
461 ac_gc_check_string_overrun=1 ;
462 ac_gc_check_string_free_list=1 ;
463 ac_xmalloc_overrun=1 ;
464 ac_gc_check_cons_list=1 ;
466 # these enable particular checks
467 stringbytes) ac_gc_check_stringbytes=1 ;;
468 stringoverrun) ac_gc_check_string_overrun=1 ;;
469 stringfreelist) ac_gc_check_string_free_list=1 ;;
470 xmallocoverrun) ac_xmalloc_overrun=1 ;;
471 conslist) ac_gc_check_cons_list=1 ;;
472 glyphs) ac_glyphs_debug=1 ;;
473 *) AC_MSG_ERROR(unknown check category $check) ;;
478 if test x$ac_enable_checking != x ; then
479 AC_DEFINE(ENABLE_CHECKING, 1,
480 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
482 if test x$ac_gc_check_stringbytes != x ; then
483 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
484 [Define this temporarily to hunt a bug. If defined, the size of
485 strings is redundantly recorded in sdata structures so that it can
486 be compared to the sizes recorded in Lisp strings.])
488 if test x$ac_gc_check_string_overrun != x ; then
489 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
490 [Define this to check for short string overrun.])
492 if test x$ac_gc_check_string_free_list != x ; then
493 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
494 [Define this to check the string free list.])
496 if test x$ac_xmalloc_overrun != x ; then
497 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
498 [Define this to check for malloc buffer overrun.])
500 if test x$ac_gc_check_cons_list != x ; then
501 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
502 [Define this to check for errors in cons list.])
504 if test x$ac_glyphs_debug != x ; then
505 AC_DEFINE(GLYPH_DEBUG, 1,
506 [Define this to enable glyphs debugging code.])
509 AC_ARG_ENABLE(check-lisp-object-type,
510 [AS_HELP_STRING([--enable-check-lisp-object-type],
511 [enable compile time checks for the Lisp_Object data type.
512 This is useful for development for catching certain types of bugs.])],
513 if test "${enableval}" != "no"; then
514 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
515 [Define this to enable compile time checks for the Lisp_Object data type.])
519 dnl The name of this option is unfortunate. It predates, and has no
520 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
521 dnl Actually, it stops it working.
522 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
523 AC_ARG_ENABLE(profiling,
524 [AS_HELP_STRING([--enable-profiling],
525 [build emacs with low-level, gprof profiling support.
526 Mainly useful for debugging Emacs itself. May not work on
527 all platforms. Stops profiler.el working.])],
528 [ac_enable_profiling="${enableval}"],[])
529 if test x$ac_enable_profiling != x ; then
530 PROFILING_CFLAGS="-DPROFILING=1 -pg"
534 AC_SUBST(PROFILING_CFLAGS)
536 AC_ARG_ENABLE(autodepend,
537 [AS_HELP_STRING([--enable-autodepend],
538 [automatically generate dependencies to .h-files.
539 Requires gcc, enabled if found.])],
540 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
542 AC_ARG_ENABLE(gtk-deprecation-warnings,
543 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
544 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
545 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
547 dnl This used to use changequote, but, apart from `changequote is evil'
548 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
549 dnl the great gob of text. Thus it's not processed for possible expansion.
550 dnl Just make sure the brackets remain balanced.
552 dnl Since Emacs can't find matching pairs of quotes, boundaries are
553 dnl indicated by comments.
557 ### If you add support for a new configuration, add code to this
558 ### switch statement to recognize your configuration name and select
559 ### the appropriate opsys.
561 ### As far as handling version numbers on operating systems is
562 ### concerned, make sure things will fail in a fixable way. If
563 ### /etc/MACHINES doesn't say anything about version numbers, be
564 ### prepared to handle anything reasonably. If version numbers
565 ### matter, be sure /etc/MACHINES says something about it.
568 case "${canonical}" in
570 ## GNU/Linux and similar ports
585 ## FreeBSD kernel + glibc based userland
596 *-*-openbsd* | *-*-mirbsd* )
600 ## Apple Darwin / Mac OS X
602 case "${canonical}" in
603 *-apple-darwin[0-9].*) unported=yes ;;
604 i[3456]86-* | x86_64-* ) ;;
608 ## Use fink packages if available.
609 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
610 ## if test -d /sw/include && test -d /sw/lib; then
611 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
612 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
616 ## Chromium Native Client
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])
789 # Avoid gnulib's test for pthread_sigmask.
791 for func in $ac_func_list; do
792 test $func = pthread_sigmask || AS_VAR_APPEND([funcs], [" $func"])
795 # Use the system putenv even if it lacks GNU features, as we don't need them,
796 # and the gnulib replacement runs afoul of a FreeBSD 10.1 bug; see Bug#19874.
797 AC_CHECK_FUNCS_ONCE([putenv])
798 AC_DEFUN([gl_FUNC_PUTENV],
799 [test "$ac_cv_func_putenv" = yes || REPLACE_PUTENV=1])
801 # Initialize gnulib right after choosing the compiler.
802 dnl Amongst other things, this sets AR and ARFLAGS.
805 if test "$ac_test_CFLAGS" != set; then
806 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
807 # if -g3 works and the user does not specify CFLAGS.
808 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
811 emacs_g3_CFLAGS='-g3';;
813 emacs_g3_CFLAGS='-g3 -O2';;
817 if test -n "$emacs_g3_CFLAGS"; then
818 emacs_save_CFLAGS=$CFLAGS
819 CFLAGS=$emacs_g3_CFLAGS
820 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
821 [emacs_cv_prog_cc_g3],
822 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
823 [emacs_cv_prog_cc_g3=yes],
824 [emacs_cv_prog_cc_g3=no])])
825 if test $emacs_cv_prog_cc_g3 != yes; then
826 CFLAGS=$emacs_save_CFLAGS
828 if test $opsys = mingw32; then
829 CFLAGS="$CFLAGS -gdwarf-2"
836 # No optimization flag was inferred for this non-GCC compiler.
837 # Try -O. This is needed for xlc on AIX; see Bug#14258.
838 emacs_save_CFLAGS=$CFLAGS
839 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
841 AC_CACHE_CHECK([whether $CC accepts -O],
842 [emacs_cv_prog_cc_o],
843 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
844 [emacs_cv_prog_cc_o=yes],
845 [emacs_cv_prog_cc_o=no])])
846 if test $emacs_cv_prog_cc_o != yes; then
847 CFLAGS=$emacs_save_CFLAGS
852 AC_ARG_ENABLE([gcc-warnings],
853 [AS_HELP_STRING([--enable-gcc-warnings],
854 [turn on lots of GCC warnings/errors. This is intended for
855 developers, and may generate false alarms when used
856 with older or non-GNU development tools.])],
859 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
861 gl_gcc_warnings=$enableval],
865 # clang is unduly picky about some things.
866 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
873 [emacs_cv_clang=yes],
874 [emacs_cv_clang=no])])
876 # When compiling with GCC, prefer -isystem to -I when including system
877 # include files, to avoid generating useless diagnostics for the files.
878 if test "$gl_gcc_warnings" != yes; then
880 if test "$emacs_cv_clang" = yes
882 # Turn off some warnings if supported.
883 gl_WARN_ADD([-Wno-switch])
884 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
885 gl_WARN_ADD([-Wno-pointer-sign])
886 gl_WARN_ADD([-Wno-string-plus-int])
891 # This, $nw, is the list of warnings we disable.
894 case $with_x_toolkit in
895 lucid | athena | motif)
896 # Old toolkits mishandle 'const'.
897 nw="$nw -Wwrite-strings"
900 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
903 AC_SUBST([WERROR_CFLAGS])
905 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
906 nw="$nw -Woverlength-strings" # Not a problem these days
907 nw="$nw -Wformat-nonliteral" # we do this a lot
908 nw="$nw -Wvla" # Emacs uses <vla.h>.
909 nw="$nw -Wswitch-default" # Too many warnings for now
910 nw="$nw -Winline" # OK to ignore 'inline'
911 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
912 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
913 # signed overflow has undefined behavior
914 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
915 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
916 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
918 # Emacs doesn't care about shadowing; see
919 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
922 # Emacs's use of alloca inhibits protecting the stack.
923 nw="$nw -Wstack-protector"
925 # Emacs's use of partly-const functions such as Fgnutls_available_p
926 # make this option problematic.
927 nw="$nw -Wsuggest-attribute=const"
929 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
930 # option problematic.
931 nw="$nw -Wsuggest-attribute=pure"
933 # This part is merely for shortening the command line,
934 # since -Wno-FOO needs to be added below regardless.
935 nw="$nw -Wmissing-field-initializers"
937 nw="$nw -Wtype-limits"
938 nw="$nw -Wunused-parameter"
940 if test $emacs_cv_clang = yes; then
941 nw="$nw -Wcast-align"
944 gl_MANYWARN_ALL_GCC([ws])
945 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
949 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
950 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
951 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
952 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
953 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
954 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
955 gl_WARN_ADD([-Wno-format-nonliteral])
957 # More things that clang is unduly picky about.
958 if test $emacs_cv_clang = yes; then
959 gl_WARN_ADD([-Wno-format-extra-args])
960 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
961 gl_WARN_ADD([-Wno-unused-command-line-argument])
962 gl_WARN_ADD([-Wno-unused-value])
965 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
966 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
967 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
968 [/* Enable compile-time and run-time bounds-checking, and some warnings,
969 without upsetting glibc 2.15+. */
970 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
971 && defined __OPTIMIZE__ && __OPTIMIZE__)
972 # define _FORTIFY_SOURCE 2
976 # We use a slightly smaller set of warning options for lib/.
977 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
979 nw="$nw -Wunused-macros"
981 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
982 AC_SUBST([GNULIB_WARN_CFLAGS])
992 AC_ARG_ENABLE(link-time-optimization,
993 [AS_HELP_STRING([--enable-link-time-optimization],
994 [build emacs with link-time optimization.
995 This requires GCC 4.5.0 or later, or clang.
996 (Note that clang support is experimental - see INSTALL.)
997 It also makes Emacs harder to debug, and when we tried it
998 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
999 recommended for typical use.])],
1000 if test "${enableval}" != "no"; then
1002 if test $emacs_cv_clang = yes; then
1003 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
1004 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
1005 if test -x "$GOLD_PLUGIN"; then
1008 elif test x$GCC = xyes; then
1009 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
1010 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
1011 if test x$CPUS != x; then
1017 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1019 if test -z "$LTO"; then
1023 CFLAGS="$CFLAGS $LTO"
1024 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1025 [ac_lto_supported=yes], [ac_lto_supported=no])
1026 CFLAGS="$old_CFLAGS"
1028 AC_MSG_RESULT([$ac_lto_supported])
1029 if test "$ac_lto_supported" = "yes"; then
1030 CFLAGS="$CFLAGS $LTO"
1031 if test x$emacs_cv_clang = xyes; then
1032 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1033 # WARNING: 'ar --plugin ...' doesn't work without
1034 # command, so plugin name is appended to ARFLAGS.
1035 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1036 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1038 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1039 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1040 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1041 dnl dump core on Fedora 20, so play it safe for now.
1042 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1043 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1048 dnl Prefer silent make output. For verbose output, use
1049 dnl 'configure --disable-silent-rules' or 'make V=1' .
1050 AM_SILENT_RULES([yes])
1051 dnl Port to Automake 1.11.
1052 dnl This section can be removed once we assume Automake 1.14 or later.
1053 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1054 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1056 AM_SUBST_NOTMAKE([AM_V])
1057 AC_SUBST([AM_DEFAULT_V])
1058 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1059 AC_SUBST([AM_DEFAULT_VERBOSITY])
1061 dnl Some other nice autoconf tests.
1062 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1065 dnl if test "x$RANLIB" = x; then
1070 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1071 dnl can be made to directories. This is not relevant for our usage, and
1072 dnl excludes some cases that work fine for us. Eg MS Windows or files
1073 dnl hosted on AFS, both examples where simple links work, but links to
1074 dnl directories fail. We use a cut-down version instead.
1077 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1078 rm -f conf$$ conf$$.file
1080 LN_S_FILEONLY='cp -p'
1082 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1083 dnl random program in the current directory.
1084 if (echo >conf$$.file) 2>/dev/null; then
1085 if ln -s conf$$.file conf$$ 2>/dev/null; then
1086 if test "$opsys" = "mingw32"; then
1087 LN_S_FILEONLY='/bin/ln -s'
1089 LN_S_FILEONLY='ln -s'
1091 elif ln conf$$.file conf$$ 2>/dev/null; then
1092 if test "$opsys" = "mingw32"; then
1093 LN_S_FILEONLY=/bin/ln
1100 rm -f conf$$ conf$$.file
1102 if test "$LN_S_FILEONLY" = "ln -s"; then
1103 AC_MSG_RESULT([yes])
1105 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1108 AC_SUBST(LN_S_FILEONLY)
1111 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1112 dnl doesn't support links to directories, as in "ln file dir". But that
1113 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1114 dnl executables at "make install" time.
1115 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1116 dnl for more details.
1117 if test "$opsys" = "mingw32"; then
1121 dnl On some Debian versions, "install-info" prints irritating messages
1122 dnl "This is not dpkg install-info anymore, but GNU install-info"
1123 dnl if called via an absolute file name.
1124 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1125 dnl Sadly some people may have an old ginstall-info installed on
1126 dnl non-Debian systems, so we can't use this.
1127 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1128 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1130 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1131 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1132 dnl Don't use GZIP, which is used by gzip for additional parameters.
1133 AC_PATH_PROG(GZIP_PROG, gzip)
1135 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1136 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1138 if test $opsys = gnu-linux; then
1139 AC_PATH_PROG(PAXCTL, paxctl,,
1140 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1141 if test "X$PAXCTL" != X; then
1142 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1143 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1144 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1145 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1148 if test "${SETFATTR+set}" != set; then
1149 AC_CACHE_CHECK([for setfattr],
1150 [emacs_cv_prog_setfattr],
1152 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1153 emacs_cv_prog_setfattr=yes
1155 emacs_cv_prog_setfattr=no
1157 if test "$emacs_cv_prog_setfattr" = yes; then
1163 AC_SUBST([SETFATTR])
1167 ## Need makeinfo >= 4.7 (?) to build the manuals.
1168 if test "$MAKEINFO" != "no"; then
1169 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1172 case `($MAKEINFO --version) 2>/dev/null` in
1173 *' (GNU texinfo) '4.[[7-9]]* | \
1174 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1175 *' (GNU texinfo) '[[5-9]]* | \
1176 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1181 ## Makeinfo is unusual. For a released Emacs, the manuals are
1182 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1183 ## therefore in the category of "special tools" not normally required, which
1184 ## configure does not have to check for (eg autoconf itself).
1185 ## In a repository checkout on the other hand, the manuals are not included.
1186 ## So makeinfo is a requirement to build from the repository, and configure
1187 ## should test for it as it does for any other build requirement.
1188 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1189 ## with pre-built manuals, from a repository checkout.
1192 if test "$MAKEINFO" = "no"; then
1194 if test "x${with_makeinfo}" = "xno"; then
1196 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1197 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1198 source tree does not seem to have pre-built manuals in the `info' directory.
1199 Either install a suitable version of makeinfo, or re-run configure
1200 with the `--without-makeinfo' option to build without the manuals.] )
1203 AC_SUBST(HAVE_MAKEINFO)
1205 if test $opsys = mingw32; then
1206 DOCMISC_W32=efaq-w32
1210 AC_SUBST(DOCMISC_W32)
1212 dnl Add our options to ac_link now, after it is set up.
1214 if test x$GCC = xyes; then
1215 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1216 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1218 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1219 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1222 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1223 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1224 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1225 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1226 dnl if not built to support GNU ld.
1228 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1229 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1230 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1231 dnl Eg "make LDFLAGS=... all" could run into problems,
1232 dnl http://bugs.debian.org/684788
1233 dnl * unnecessary, since temacs is the only thing that actually needs it.
1234 dnl Indeed this is where it was originally, prior to:
1235 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1236 late_LDFLAGS="$LDFLAGS"
1237 if test x$GCC = xyes; then
1238 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1240 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1243 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1245 AC_MSG_CHECKING([for -znocombreloc])
1246 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1247 [AC_MSG_RESULT(yes)],
1248 LDFLAGS_NOCOMBRELOC=
1249 [AC_MSG_RESULT(no)])
1251 LDFLAGS="$late_LDFLAGS"
1253 AC_CACHE_CHECK([whether addresses are sanitized],
1254 [emacs_cv_sanitize_address],
1257 [[#ifndef __has_feature
1258 #define __has_feature(f) 0
1260 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1262 error "Addresses are not sanitized.";
1265 [emacs_cv_sanitize_address=yes],
1266 [emacs_cv_sanitize_address=no])])
1268 dnl The function dump-emacs will not be defined and temacs will do
1269 dnl (load "loadup") automatically unless told otherwise.
1270 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1272 nacl) CANNOT_DUMP=yes ;;
1275 if test "$CANNOT_DUMP" = "yes"; then
1276 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1277 elif test "$emacs_cv_sanitize_address" = yes; then
1278 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1281 AC_SUBST(CANNOT_DUMP)
1284 UNEXEC_OBJ=unexelf.o
1286 # MSDOS uses unexcoff.o
1288 UNEXEC_OBJ=unexaix.o
1294 UNEXEC_OBJ=unexmacosx.o
1297 UNEXEC_OBJ=unexhp9k800.o
1300 UNEXEC_OBJ=unexw32.o
1303 # Use the Solaris dldump() function, called from unexsol.c, to dump
1304 # emacs, instead of the generic ELF dump code found in unexelf.c.
1305 # The resulting binary has a complete symbol table, and is better
1306 # for debugging and other observability tools (debuggers, pstack, etc).
1308 # If you encounter a problem using dldump(), please consider sending
1309 # a message to the OpenSolaris tools-linking mailing list:
1310 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1312 # It is likely that dldump() works with older Solaris too, but this has
1313 # not been tested, so for now this change is for Solaris 10 or newer.
1314 UNEXEC_OBJ=unexsol.o
1321 ## Let `ld' find image libs and similar things in /usr/local/lib.
1322 ## The system compiler, GCC, has apparently been modified to not
1323 ## look there, contrary to what a stock GCC would do.
1324 ### It's not our place to do this. See bug#10313#17.
1325 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1330 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1331 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1335 ### It's not our place to do this. See bug#10313#17.
1336 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1341 ## Han Boetes <han@boetes.org> says this is necessary,
1342 ## otherwise Emacs dumps core on elf systems.
1343 LD_SWITCH_SYSTEM="-Z"
1346 AC_SUBST(LD_SWITCH_SYSTEM)
1348 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1350 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1351 ## which has not been defined yet. When this was handled with cpp,
1352 ## it was expanded to null when configure sourced the s/*.h file.
1353 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1354 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1355 ## (or somesuch), but because it is supposed to go at the _front_
1356 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1357 ## Compare with the gnu-linux case below, which added to the end
1358 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1359 ## LD_SWITCH_SYSTEM_TEMACS.
1362 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1369 AC_CHECK_DECL([__ELF__])
1370 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1371 ## With ELF, make sure that all common symbols get allocated to in the
1372 ## data section. Otherwise, the dump of temacs may miss variables in
1373 ## the shared library that have been initialized. For example, with
1374 ## GNU libc, __malloc_initialized would normally be resolved to the
1375 ## shared library's .bss section, which is fatal.
1376 if test "x$GCC" = "xyes"; then
1377 C_SWITCH_MACHINE="-fno-common"
1379 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1382 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1383 dnl albeit under the mistaken assumption that said file
1384 dnl was no longer used.
1385 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1389 AC_SUBST(C_SWITCH_MACHINE)
1391 AC_SUBST(UNEXEC_OBJ)
1394 ## Some programs in src produce warnings saying certain subprograms
1395 ## are too complex and need a MAXMEM value greater than 2000 for
1396 ## additional optimization. --nils@exp-math.uni-essen.de
1397 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1398 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1399 if test "$opsys" = "mingw32"; then
1400 case "$canonical" in
1401 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1402 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1405 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1406 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1407 AC_SUBST(C_SWITCH_SYSTEM)
1412 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1413 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1415 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1417 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1419 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1421 ## Motif needs -lgen.
1422 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1425 AC_SUBST(LIBS_SYSTEM)
1427 ### Make sure subsequent tests use flags consistent with the build flags.
1429 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1430 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1432 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1435 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1436 AC_DEFUN([AC_TYPE_SIZE_T])
1437 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1438 AC_DEFUN([AC_TYPE_UID_T])
1440 # sqrt and other floating-point functions such as fmod and frexp
1441 # are found in -lm on many systems.
1443 AC_SEARCH_LIBS([sqrt], [m])
1444 if test "X$LIBS" = "X$OLD_LIBS"; then
1447 LIB_MATH=$ac_cv_search_sqrt
1451 dnl Current possibilities handled by sed (aix4-2 -> aix,
1452 dnl gnu-linux -> gnu/linux, etc.):
1453 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1454 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1455 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1462 ## Adding -lm confuses the dynamic linker, so omit it.
1465 freebsd | dragonfly )
1466 SYSTEM_TYPE=berkeley-unix
1468 gnu-linux | gnu-kfreebsd )
1470 hpux10-20 | hpux11 )
1474 SYSTEM_TYPE=windows-nt
1476 dnl NB this may be adjusted below.
1478 SYSTEM_TYPE=berkeley-unix
1482 SYSTEM_TYPE=usg-unix-v
1488 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1489 [The type of system you are compiling for; sets `system-type'.])
1492 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1493 pre_PKG_CONFIG_LIBS=$LIBS
1495 PKG_PROG_PKG_CONFIG(0.9.0)
1497 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1498 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1499 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1500 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1501 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1502 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1504 AC_DEFUN([EMACS_CHECK_MODULES],
1505 [PKG_CHECK_MODULES([$1], [$2],
1506 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1507 m4_default([$3], [HAVE_$1=yes])],
1508 [m4_default([$4], [HAVE_$1=no])])])
1511 if test "${with_sound}" != "no"; then
1512 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1513 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1514 have_sound_header=yes, [], [
1516 #define WIN32_LEAN_AND_MEAN
1517 #include <windows.h>
1520 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1521 AC_MSG_ERROR([OSS sound support requested but not found.])
1523 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1524 # Emulation library used on NetBSD.
1525 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1526 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1527 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1528 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1529 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1533 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1535 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1536 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1537 if test $HAVE_ALSA = yes; then
1538 SAVE_CFLAGS="$CFLAGS"
1540 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1541 LIBS="$ALSA_LIBS $LIBS"
1542 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1543 emacs_alsa_normal=yes,
1544 emacs_alsa_normal=no)
1545 if test "$emacs_alsa_normal" != yes; then
1546 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1547 [[snd_lib_error_set_handler (0);]])],
1548 emacs_alsa_subdir=yes,
1549 emacs_alsa_subdir=no)
1550 if test "$emacs_alsa_subdir" != yes; then
1551 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1553 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1556 CFLAGS="$SAVE_CFLAGS"
1558 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1559 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1560 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1561 elif test "${with_sound}" = "alsa"; then
1562 AC_MSG_ERROR([ALSA sound support requested but not found.])
1564 fi dnl with_sound = alsa|yes
1566 dnl Define HAVE_SOUND if we have sound support. We know it works and
1567 dnl compiles only on the specified platforms. For others, it
1568 dnl probably doesn't make sense to try.
1569 dnl FIXME So surely we should bypass this whole section if not using
1570 dnl one of these platforms?
1571 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1573 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1574 dnl Adjust the --with-sound help text if you change this.
1575 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1576 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1582 AC_SUBST(CFLAGS_SOUND)
1585 dnl checks for header files
1586 AC_CHECK_HEADERS_ONCE(
1591 sys/utsname.h pwd.h utmp.h util.h)
1593 AC_MSG_CHECKING(if personality LINUX32 can be set)
1594 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1595 emacs_cv_personality_linux32=yes,
1596 emacs_cv_personality_linux32=no)
1597 AC_MSG_RESULT($emacs_cv_personality_linux32)
1599 if test $emacs_cv_personality_linux32 = yes; then
1600 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1601 [Define to 1 if personality LINUX32 can be set.])
1604 # Note that Solaris has sys/sysinfo.h which defines struct
1605 # sysinfo as well. To make sure that we're using GNU/Linux
1606 # sysinfo, we explicitly set one of its fields.
1607 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1608 AC_MSG_CHECKING([if Linux sysinfo may be used])
1609 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1610 [[struct sysinfo si;
1613 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1614 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1615 if test $emacs_cv_linux_sysinfo = yes; then
1616 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1617 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1618 [[struct sysinfo si; return si.mem_unit]])],
1619 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1620 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1624 dnl On Solaris 8 there's a compilation warning for term.h because
1625 dnl it doesn't define `bool'.
1626 AC_CHECK_HEADERS(term.h, , , -)
1628 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1630 if test $ac_cv_have_decl_sys_siglist != yes; then
1631 # For Tru64, at least:
1632 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1637 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1638 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1639 #if HAVE_SYS_SOCKET_H
1640 #include <sys/socket.h>
1642 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1643 #if HAVE_SYS_SOCKET_H
1644 #include <sys/socket.h>
1646 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1647 #if HAVE_SYS_SOCKET_H
1648 #include <sys/socket.h>
1651 dnl checks for structure members
1652 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1653 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1654 struct ifreq.ifr_addr,
1655 struct ifreq.ifr_addr.sa_len], , ,
1656 [AC_INCLUDES_DEFAULT
1657 #if HAVE_SYS_SOCKET_H
1658 #include <sys/socket.h>
1664 dnl Check for endianness.
1665 dnl AC_C_BIGENDIAN is done by gnulib.
1667 dnl check for Make feature
1672 dnl check if we have GCC and autodepend is on.
1673 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1674 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1675 SAVE_CFLAGS="$CFLAGS"
1676 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1677 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1678 CFLAGS="$SAVE_CFLAGS"
1679 test -f deps.d || ac_enable_autodepend=no
1681 AC_MSG_RESULT([$ac_enable_autodepend])
1682 if test $ac_enable_autodepend = yes; then
1683 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1684 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1685 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1686 deps_frag=autodeps.mk
1689 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1690 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1691 deps_frag=$srcdir/src/$deps_frag
1694 AC_SUBST_FILE(deps_frag)
1695 AC_SUBST_FILE(lwlib_deps_frag)
1696 AC_SUBST_FILE(oldxmenu_deps_frag)
1698 lisp_frag=$srcdir/src/lisp.mk
1699 AC_SUBST_FILE(lisp_frag)
1702 dnl checks for operating system services
1703 AC_SYS_LONG_FILE_NAMES
1705 #### Choose a window system.
1707 ## We leave window_system equal to none if
1708 ## we end up building without one. Any new window system should
1709 ## set window_system to an appropriate value and add objects to
1710 ## window-system-specific substs.
1714 if test "$no_x" != yes; then
1718 LD_SWITCH_X_SITE_RPATH=
1719 if test "${x_libraries}" != NONE; then
1720 if test -n "${x_libraries}"; then
1721 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1722 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1724 x_default_search_path=""
1725 x_search_path=${x_libraries}
1726 if test -z "${x_search_path}"; then
1727 x_search_path=/usr/lib
1729 for x_library in `echo ${x_search_path}: | \
1730 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1732 ${x_library}/X11/%L/%T/%N%C%S:\
1733 ${x_library}/X11/%l/%T/%N%C%S:\
1734 ${x_library}/X11/%T/%N%C%S:\
1735 ${x_library}/X11/%L/%T/%N%S:\
1736 ${x_library}/X11/%l/%T/%N%S:\
1737 ${x_library}/X11/%T/%N%S"
1738 if test x"${x_default_search_path}" = x; then
1739 x_default_search_path=${x_search_path}
1741 x_default_search_path="${x_search_path}:${x_default_search_path}"
1745 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1747 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1748 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1751 if test x"${x_includes}" = x; then
1752 bitmapdir=/usr/include/X11/bitmaps
1754 # accumulate include directories that have X11 bitmap subdirectories
1756 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1757 if test -d "${bmd}/X11/bitmaps"; then
1758 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1760 if test -d "${bmd}/bitmaps"; then
1761 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1764 if test ${bmd_acc} != "dummyval"; then
1765 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1770 NS_GNUSTEP_CONFIG=no
1773 tmp_CPPFLAGS="$CPPFLAGS"
1774 tmp_CFLAGS="$CFLAGS"
1775 CPPFLAGS="$CPPFLAGS -x objective-c"
1776 CFLAGS="$CFLAGS -x objective-c"
1779 if test "${with_ns}" != no; then
1780 if test "${opsys}" = darwin; then
1782 ns_appdir=`pwd`/nextstep/Emacs.app
1783 ns_appbindir=${ns_appdir}/Contents/MacOS
1784 ns_appresdir=${ns_appdir}/Contents/Resources
1785 ns_appsrc=Cocoa/Emacs.base
1786 ns_fontfile=macfont.o
1787 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1789 NS_GNUSTEP_CONFIG=yes
1790 GNU_OBJC_CFLAGS=$flags
1791 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1792 elif test -f $GNUSTEP_CONFIG_FILE; then
1794 dnl FIXME sourcing this several times in subshells seems inefficient.
1795 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1796 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1797 dnl I seemed to need these as well with GNUstep-startup 0.25.
1798 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1799 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1800 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1801 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1802 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1803 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1804 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1805 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1806 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1807 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1808 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1809 dnl If they had chosen to either define it or not, we could have
1810 dnl just used AC_CHECK_DECL here.
1811 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1812 emacs_cv_objc_exceptions,
1813 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1814 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1818 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1819 if test $emacs_cv_objc_exceptions = yes; then
1820 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1821 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1822 [Define if GNUstep uses ObjC exceptions.])
1823 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1826 if test $NS_IMPL_GNUSTEP = yes; then
1827 ns_appdir=`pwd`/nextstep/Emacs.app
1828 ns_appbindir=${ns_appdir}
1829 ns_appresdir=${ns_appdir}/Resources
1830 ns_appsrc=GNUstep/Emacs.base
1831 ns_fontfile=nsfont.o
1834 dnl This is only used while we test the NS headers, it gets reset below.
1835 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1836 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1838 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1839 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1840 files are missing or cannot be compiled.])])
1843 if test "${NS_IMPL_COCOA}" = "yes"; then
1844 AC_MSG_CHECKING([for OSX 10.6 or newer])
1845 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1847 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1848 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1851 error "OSX 10.6 or newer required";
1855 ns_osx_have_106=yes,
1857 AC_MSG_RESULT([$ns_osx_have_106])
1859 if test $ns_osx_have_106 = no; then
1860 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1865 AC_SUBST(LIBS_GNUSTEP)
1867 INSTALL_ARCH_INDEP_EXTRA=install-etc
1868 ns_self_contained=no
1871 if test "${HAVE_NS}" = yes; then
1872 if test "$with_toolkit_scroll_bars" = "no"; then
1873 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1876 window_system=nextstep
1877 # set up packaging dirs
1878 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1879 ns_self_contained=yes
1880 prefix=${ns_appresdir}
1881 exec_prefix=${ns_appbindir}
1882 dnl This one isn't really used, only archlibdir is.
1883 libexecdir="\${ns_appbindir}/libexec"
1884 archlibdir="\${ns_appbindir}/libexec"
1885 etcdocdir="\${ns_appresdir}/etc"
1886 etcdir="\${ns_appresdir}/etc"
1887 dnl FIXME maybe set datarootdir instead.
1888 dnl That would also get applications, icons, man.
1889 infodir="\${ns_appresdir}/info"
1890 mandir="\${ns_appresdir}/man"
1891 lispdir="\${ns_appresdir}/lisp"
1892 test "$locallisppathset" = no && locallisppath=""
1893 INSTALL_ARCH_INDEP_EXTRA=
1896 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1898 CFLAGS="$tmp_CFLAGS"
1899 CPPFLAGS="$tmp_CPPFLAGS"
1900 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1901 AC_SUBST(ns_self_contained)
1903 AC_SUBST(NS_OBJC_OBJ)
1914 if test "${with_w32}" != no; then
1917 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1918 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1919 cannot be found.])])
1922 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1925 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1930 if test "${opsys}" = "mingw32"; then
1931 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1932 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1933 #include <windows.h>
1934 #include <usp10.h>]],
1935 [[PIMAGE_NT_HEADERS pHeader;
1936 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1937 [emacs_cv_w32api=yes
1940 AC_MSG_RESULT($emacs_cv_w32api)
1941 if test "${emacs_cv_w32api}" = "no"; then
1942 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1953 if test "${HAVE_W32}" = "yes"; then
1954 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1955 if test "$with_toolkit_scroll_bars" = "no"; then
1956 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
1958 AC_CHECK_TOOL(WINDRES, [windres],
1959 [AC_MSG_ERROR([No resource compiler found.])])
1960 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1961 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1962 EMACSRES="emacs.res"
1963 case "$canonical" in
1964 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1965 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1967 dnl Construct something of the form "24,4,0,0" with 4 components.
1968 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1970 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1971 AC_SUBST(comma_version)
1972 AC_SUBST(comma_space_version)
1973 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1974 if test "${opsys}" = "cygwin"; then
1975 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1976 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1977 # Tell the linker that emacs.res is an object (which we compile from
1978 # the rc file), not a linker script.
1979 W32_RES_LINK="-Wl,emacs.res"
1981 UPDATE_MANIFEST=update-game-score.exe.manifest
1982 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1983 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1984 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1985 W32_RES_LINK="\$(EMACSRES)"
1986 CLIENTRES="emacsclient.res"
1987 CLIENTW="emacsclientw\$(EXEEXT)"
1988 FIRSTFILE_OBJ=firstfile.o
1991 LIBS_ECLIENT="-lcomctl32"
1992 LIB_WSOCK32="-lwsock32"
1993 NTLIB="ntlib.$ac_objext"
1994 XARGS_LIMIT="-s 10000"
2000 AC_SUBST(EMACS_MANIFEST)
2001 AC_SUBST(UPDATE_MANIFEST)
2004 AC_SUBST(W32_RES_LINK)
2005 AC_SUBST(FIRSTFILE_OBJ)
2008 AC_SUBST(LIBS_ECLIENT)
2009 AC_SUBST(LIB_WSOCK32)
2011 AC_SUBST(XARGS_LIMIT)
2013 if test "${HAVE_W32}" = "yes"; then
2018 ## $window_system is now set to the window system we will
2021 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
2022 # Too many warnings for now.
2024 nw="$nw -Wsuggest-attribute=noreturn"
2025 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
2027 gl_WARN_ADD([-Wno-unused-variable])
2028 gl_WARN_ADD([-Wno-unused-but-set-variable])
2029 gl_WARN_ADD([-Wno-unused-but-set-parameter])
2037 case "${window_system}" in
2042 case "${with_x_toolkit}" in
2043 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2044 motif ) USE_X_TOOLKIT=MOTIF ;;
2046 term_header=gtkutil.h
2047 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2048 dnl USE_X_TOOLKIT is set.
2049 USE_X_TOOLKIT=none ;;
2050 gtk2 ) with_gtk2=yes
2051 term_header=gtkutil.h
2052 USE_X_TOOLKIT=none ;;
2053 gtk3 ) with_gtk3=yes
2054 term_header=gtkutil.h
2055 USE_X_TOOLKIT=none ;;
2056 no ) USE_X_TOOLKIT=none ;;
2057 dnl If user did not say whether to use a toolkit, make this decision later:
2058 dnl use the toolkit if we have gtk, or X11R5 or newer.
2059 * ) USE_X_TOOLKIT=maybe ;;
2063 term_header=nsterm.h
2066 term_header=w32term.h
2070 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2071 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2072 if test "$HAVE_XSERVER" = true ||
2073 test -n "$DISPLAY" ||
2074 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2075 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2076 were found. You should install the relevant development files for X
2077 and for the toolkit you want, such as Gtk+ or Motif. Also make
2078 sure you have development files for image handling, i.e.
2079 tiff, gif, jpeg, png and xpm.
2080 If you are sure you want Emacs compiled without X window support, pass
2086 # Does the opsystem file prohibit the use of the GNU malloc?
2087 # Assume not, until told otherwise.
2091 [whether malloc is Doug Lea style],
2092 [emacs_cv_var_doug_lea_malloc],
2093 [emacs_cv_var_doug_lea_malloc=no
2094 dnl Hooks do not work with address sanitization.
2095 if test "$emacs_cv_sanitize_address" != yes; then
2098 [[#include <malloc.h>
2099 static void hook (void) {}]],
2100 [[malloc_set_state (malloc_get_state ());
2101 __after_morecore_hook = hook;
2102 __malloc_initialize_hook = hook;]])],
2103 [emacs_cv_var_doug_lea_malloc=yes])])
2105 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2107 system_malloc=$emacs_cv_sanitize_address
2112 ## darwin ld insists on the use of malloc routines in the System framework.
2113 darwin | mingw32 | nacl | sol2-10) system_malloc=yes ;;
2114 cygwin) hybrid_malloc=yes;;
2118 if test "${system_malloc}" = "yes"; then
2119 AC_DEFINE([SYSTEM_MALLOC], 1,
2120 [Define to 1 to use the system memory allocator, even if it is not
2124 (The GNU allocators don't work with this system configuration.)"
2126 elif test "$hybrid_malloc" = yes; then
2127 AC_DEFINE(HYBRID_MALLOC, 1,
2128 [Define to use gmalloc before dumping and the system malloc after.])
2130 GNU_MALLOC_reason="only before dumping"
2131 GMALLOC_OBJ=gmalloc.o
2134 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2135 VMLIMIT_OBJ=vm-limit.o
2137 AC_CHECK_HEADERS([sys/vlimit.h])
2138 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2141 [[extern char data_start[]; char ch;]],
2142 [[return data_start < &ch;]])],
2143 [emacs_cv_data_start=yes],
2144 [emacs_cv_data_start=no])])
2145 if test $emacs_cv_data_start = yes; then
2146 AC_DEFINE([HAVE_DATA_START], 1,
2147 [Define to 1 if data_start is the address of the start
2148 of the main data segment.])
2151 AC_SUBST(GMALLOC_OBJ)
2152 AC_SUBST(VMLIMIT_OBJ)
2154 if test "$doug_lea_malloc" = "yes" ; then
2155 if test "$GNU_MALLOC" = yes ; then
2157 (Using Doug Lea's new malloc from the GNU C Library.)"
2159 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2160 [Define to 1 if the system memory allocator is Doug Lea style,
2161 with malloc hooks and malloc_set_state.])
2163 ## Use mmap directly for allocating larger buffers.
2164 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2165 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2166 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2168 mingw32|gnu*) REL_ALLOC=no ;;
2172 if test x"${REL_ALLOC}" = x; then
2173 REL_ALLOC=${GNU_MALLOC}
2176 use_mmap_for_buffers=no
2178 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2182 if test $use_mmap_for_buffers = yes; then
2183 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2187 LIBS="$LIBS_SYSTEM $LIBS"
2189 dnl FIXME replace main with a function we actually want from this library.
2190 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2192 dnl Check for the POSIX thread library.
2194 AC_CHECK_HEADERS_ONCE(pthread.h)
2195 if test "$ac_cv_header_pthread_h" && test "$opsys" != "mingw32"; then
2196 AC_CACHE_CHECK([for pthread library],
2197 [emacs_cv_pthread_lib],
2198 [emacs_cv_pthread_lib=no
2199 OLD_CPPFLAGS=$CPPFLAGS
2201 for emacs_pthread_lib in 'none needed' -lpthread; do
2202 case $emacs_pthread_lib in
2203 -*) LIBS="$OLD_LIBS $emacs_pthread_lib";;
2207 [[#include <pthread.h>
2209 sigset_t old_mask, new_mask;
2210 void noop (void) {}]],
2211 [[pthread_t th = pthread_self ();
2213 status += pthread_create (&th, 0, 0, 0);
2214 status += pthread_sigmask (SIG_BLOCK, &new_mask, &old_mask);
2215 status += pthread_kill (th, 0);
2216 #if ! (defined SYSTEM_MALLOC || defined HYBRID_MALLOC \
2217 || defined DOUG_LEA_MALLOC)
2218 /* Test for pthread_atfork only if gmalloc uses it,
2219 as older-style hosts like MirBSD 10 lack it. */
2220 status += pthread_atfork (noop, noop, noop);
2223 [emacs_cv_pthread_lib=$emacs_pthread_lib])
2225 if test "$emacs_cv_pthread_lib" != no; then
2229 CPPFLAGS=$OLD_CPPFLAGS])
2230 if test "$emacs_cv_pthread_lib" != no; then
2231 AC_DEFINE([HAVE_PTHREAD], 1, [Define to 1 if you have POSIX threads.])
2232 case $emacs_cv_pthread_lib in
2233 -*) LIB_PTHREAD=$emacs_cv_pthread_lib;;
2235 ac_cv_func_pthread_sigmask=yes
2236 # Some systems optimize for single-threaded programs by default, and
2237 # need special flags to disable these optimizations. For example, the
2238 # definition of 'errno' in <errno.h>.
2241 AC_DEFINE([_REENTRANT], 1,
2242 [Define to 1 if your system requires this in multithreaded code.]);;
2244 AC_DEFINE([_THREAD_SAFE], 1,
2245 [Define to 1 if your system requires this in multithreaded code.]);;
2249 AC_SUBST([LIB_PTHREAD])
2251 dnl Check for need for bigtoc support on IBM AIX
2255 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2257 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2258 *) gdb_cv_bigtoc=-bbigtoc ;;
2261 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2262 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2267 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2268 # is for the tests that follow. We set them back later on.
2270 REAL_CFLAGS="$CFLAGS"
2271 REAL_CPPFLAGS="$CPPFLAGS"
2274 if test "${HAVE_X11}" = "yes"; then
2275 DEFS="$C_SWITCH_X_SITE $DEFS"
2276 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2278 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2279 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2281 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2282 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2283 # but it's more convenient here to set LD_RUN_PATH since this
2284 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2285 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2286 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2290 if test "${opsys}" = "gnu-linux"; then
2291 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2292 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2293 [[XOpenDisplay ("foo");]])],
2294 [xgnu_linux_first_failure=no],
2295 [xgnu_linux_first_failure=yes])
2296 if test "${xgnu_linux_first_failure}" = "yes"; then
2297 OLD_CPPFLAGS="$CPPFLAGS"
2299 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2300 LIBS="$LIBS -b i486-linuxaout"
2301 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2302 [[XOpenDisplay ("foo");]])],
2303 [xgnu_linux_second_failure=no],
2304 [xgnu_linux_second_failure=yes])
2305 if test "${xgnu_linux_second_failure}" = "yes"; then
2306 # If we get the same failure with -b, there is no use adding -b.
2307 # So leave it out. This plays safe.
2310 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2311 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2314 CPPFLAGS=$OLD_CPPFLAGS
2321 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2322 # header files included from there.
2323 AC_MSG_CHECKING(for Xkb)
2324 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2325 #include <X11/XKBlib.h>]],
2326 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2327 emacs_xkb=yes, emacs_xkb=no)
2328 AC_MSG_RESULT($emacs_xkb)
2329 if test $emacs_xkb = yes; then
2330 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2333 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2334 XScreenNumberOfScreen)
2337 if test "${window_system}" = "x11"; then
2338 AC_MSG_CHECKING(X11 version 6)
2339 AC_CACHE_VAL(emacs_cv_x11_version_6,
2340 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2341 [[#if XlibSpecificationRelease < 6
2344 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2345 if test $emacs_cv_x11_version_6 = yes; then
2346 AC_MSG_RESULT(6 or newer)
2347 AC_DEFINE(HAVE_X11R6, 1,
2348 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2349 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2350 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2354 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2355 [Define if you have usable X11R6-style XIM support.])
2359 AC_MSG_RESULT(before 6)
2364 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2366 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2367 if test "${with_rsvg}" != "no"; then
2368 RSVG_REQUIRED=2.11.0
2369 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2371 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2372 AC_SUBST(RSVG_CFLAGS)
2375 if test $HAVE_RSVG = yes; then
2376 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2377 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2378 # Windows loads librsvg dynamically
2379 if test "${opsys}" = "mingw32"; then
2387 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2388 if test "${with_imagemagick}" != "no"; then
2389 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2390 ## 6.8.2 makes Emacs crash; see Bug#13867.
2391 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2392 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2393 AC_SUBST(IMAGEMAGICK_CFLAGS)
2394 AC_SUBST(IMAGEMAGICK_LIBS)
2396 if test $HAVE_IMAGEMAGICK = yes; then
2397 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2400 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2401 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2402 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2412 gtk_term_header=$term_header
2415 if test "${opsys}" != "mingw32"; then
2416 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2419 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2421 dnl Checks for libraries.
2422 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2423 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2424 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2425 AC_MSG_ERROR($GTK_PKG_ERRORS)
2427 if test "$pkg_check_gtk" = "yes"; then
2428 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2429 GTK_OBJ=emacsgtkfixed.o
2430 gtk_term_header=gtkutil.h
2432 USE_GTK_TOOLKIT="GTK3"
2433 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2434 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2435 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2436 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2437 [Define to 1 to disable Glib deprecation warnings.])
2441 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2445 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2448 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2450 dnl Checks for libraries.
2451 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2452 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2453 if test "$pkg_check_gtk" = "no" &&
2454 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2456 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2458 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2465 if test x"$pkg_check_gtk" = xyes; then
2468 CFLAGS="$CFLAGS $GTK_CFLAGS"
2469 LIBS="$GTK_LIBS $LIBS"
2470 dnl Try to compile a simple GTK program.
2471 AC_MSG_CHECKING([whether GTK compiles])
2475 [[/* Check the Gtk and Glib APIs. */
2476 #include <gtk/gtk.h>
2477 #include <glib-object.h>
2479 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2483 GtkSettings *gs = 0;
2484 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2485 strict C prohibits this. Use gtk_main_iteration to test that the
2486 libraries are there. */
2487 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2488 0, 0, 0, G_CALLBACK (callback), 0))
2489 gtk_main_iteration ();
2492 AC_MSG_RESULT([$GTK_COMPILES])
2493 if test "${GTK_COMPILES}" != "yes"; then
2495 if test "$USE_X_TOOLKIT" != "maybe"; then
2496 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2499 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2501 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2502 GTK_OBJ="gtkutil.o $GTK_OBJ"
2503 term_header=$gtk_term_header
2505 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2508 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2509 closing open displays. This is no problem if you just use
2510 one display, but if you use more than one and close one of them
2520 if test "${HAVE_GTK}" = "yes"; then
2522 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2523 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2524 if test "$with_toolkit_scroll_bars" != no; then
2525 with_toolkit_scroll_bars=yes
2528 dnl Check if we have the old file selection dialog declared and
2529 dnl in the link library. In 2.x it may be in the library,
2530 dnl but not declared if deprecated featured has been selected out.
2531 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2532 HAVE_GTK_FILE_SELECTION=no
2533 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2534 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2535 #include <gtk/gtk.h>])
2536 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2537 AC_CHECK_FUNCS(gtk_file_selection_new)
2540 dnl Same as above for gtk_handle_box.
2541 HAVE_GTK_HANDLE_BOX=no
2542 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2543 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2544 #include <gtk/gtk.h>])
2545 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2546 AC_CHECK_FUNCS(gtk_handle_box_new)
2549 dnl Same as above for gtk_tearoff_menu_item.
2550 HAVE_GTK_TEAROFF_MENU_ITEM=no
2551 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2552 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2553 #include <gtk/gtk.h>])
2554 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2555 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2558 dnl Check for functions introduced in 2.14 and later.
2559 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2560 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2561 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2562 gtk_orientable_set_orientation \
2563 gtk_window_set_has_resize_grip)
2565 term_header=gtkutil.h
2571 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2572 dnl other platforms.
2575 if test "${with_dbus}" = "yes"; then
2576 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2577 if test "$HAVE_DBUS" = yes; then
2578 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2579 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2580 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2583 LIBS="$LIBS $DBUS_LIBS"
2584 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2585 dbus_type_is_valid \
2586 dbus_validate_bus_name \
2587 dbus_validate_path \
2588 dbus_validate_interface \
2589 dbus_validate_member)
2594 AC_SUBST(DBUS_CFLAGS)
2598 dnl GSettings has been tested under GNU/Linux only.
2600 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2601 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2602 if test "$HAVE_GSETTINGS" = "yes"; then
2604 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2606 LIBS="$LIBS $GSETTINGS_LIBS"
2607 AC_MSG_CHECKING([whether GSettings is in gio])
2610 [[/* Check that gsettings really is present. */
2611 #include <glib-object.h>
2612 #include <gio/gio.h>
2615 GSettings *settings;
2616 GVariant *val = g_settings_get_value (settings, "");
2618 [], HAVE_GSETTINGS=no)
2619 AC_MSG_RESULT([$HAVE_GSETTINGS])
2621 if test "$HAVE_GSETTINGS" = "yes"; then
2622 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2623 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2624 SETTINGS_LIBS="$GSETTINGS_LIBS"
2631 dnl GConf has been tested under GNU/Linux only.
2632 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2634 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2635 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2636 if test "$HAVE_GCONF" = yes; then
2637 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2638 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2639 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2640 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2644 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2645 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2646 if test "$HAVE_GOBJECT" = "yes"; then
2647 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2648 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2650 SAVE_CFLAGS="$CFLAGS"
2652 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2653 LIBS="$SETTINGS_LIBS $LIBS"
2654 CFLAGS="$SAVE_CFLAGS"
2657 AC_SUBST(SETTINGS_CFLAGS)
2658 AC_SUBST(SETTINGS_LIBS)
2661 dnl SELinux is available for GNU/Linux only.
2664 if test "${with_selinux}" = "yes"; then
2665 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2666 if test "$HAVE_LIBSELINUX" = yes; then
2667 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2668 LIBSELINUX_LIBS=-lselinux
2671 AC_SUBST(LIBSELINUX_LIBS)
2674 if test "${with_gnutls}" = "yes" ; then
2675 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2676 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2677 if test "${HAVE_GNUTLS}" = "yes"; then
2678 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2679 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2680 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2683 # Windows loads GnuTLS dynamically
2684 if test "${opsys}" = "mingw32"; then
2689 AC_SUBST(LIBGNUTLS_LIBS)
2690 AC_SUBST(LIBGNUTLS_CFLAGS)
2695 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2696 dnl a particular library. This doesn't make much sense?
2697 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2698 with_file_notification=no
2701 dnl MS Windows native file monitor is available for mingw32 only.
2702 case $with_file_notification,$opsys in
2704 AC_MSG_ERROR([`--with-file-notification=w32' was specified, but
2705 this is only supported on MS-Windows native and MinGW32 builds.
2706 Consider using gfile instead.])
2708 w32,* | yes,mingw32)
2709 AC_CHECK_HEADER(windows.h)
2710 if test "$ac_cv_header_windows_h" = yes ; then
2711 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2712 NOTIFY_OBJ=w32notify.o
2713 NOTIFY_SUMMARY="yes (w32)"
2717 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2718 dnl has been added in glib 2.24. It has been tested under
2719 dnl GNU/Linux only. We take precedence over inotify, but this makes
2720 dnl only sense when glib has been compiled with inotify support. How
2722 case $with_file_notification,$NOTIFY_OBJ in
2724 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2725 if test "$HAVE_GFILENOTIFY" = "yes"; then
2726 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2727 NOTIFY_OBJ=gfilenotify.o
2728 NOTIFY_SUMMARY="yes -lgio (gfile)"
2732 dnl inotify is only available on GNU/Linux.
2733 case $with_file_notification,$NOTIFY_OBJ in
2735 AC_CHECK_HEADER(sys/inotify.h)
2736 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2737 AC_CHECK_FUNC(inotify_init1)
2738 if test "$ac_cv_func_inotify_init1" = yes; then
2739 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2740 NOTIFY_OBJ=inotify.o
2741 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2746 case $with_file_notification,$NOTIFY_OBJ in
2747 yes,* | no,* | *,?*) ;;
2748 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2751 if test -n "$NOTIFY_OBJ"; then
2752 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2754 AC_SUBST(NOTIFY_OBJ)
2755 AC_SUBST(GFILENOTIFY_CFLAGS)
2756 AC_SUBST(GFILENOTIFY_LIBS)
2758 dnl Do not put whitespace before the #include statements below.
2759 dnl Older compilers (eg sunos4 cc) choke on it.
2762 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2763 if test "$with_xaw3d" != no; then
2764 AC_CACHE_VAL(emacs_cv_xaw3d,
2765 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2766 #include <X11/Intrinsic.h>
2767 #include <X11/Xaw3d/Simple.h>]],
2769 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2770 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2771 emacs_cv_xaw3d=no)])
2775 if test $emacs_cv_xaw3d = yes; then
2776 AC_MSG_CHECKING(for xaw3d)
2777 AC_MSG_RESULT([yes; using Lucid toolkit])
2781 AC_DEFINE(HAVE_XAW3D, 1,
2782 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2784 AC_MSG_CHECKING(for xaw3d)
2786 AC_MSG_CHECKING(for libXaw)
2787 AC_CACHE_VAL(emacs_cv_xaw,
2788 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2789 #include <X11/Intrinsic.h>
2790 #include <X11/Xaw/Simple.h>]],
2794 if test $emacs_cv_xaw = yes; then
2795 AC_MSG_RESULT([yes; using Lucid toolkit])
2798 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2799 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2801 AC_MSG_ERROR([No X toolkit could be found.
2802 If you are sure you want Emacs compiled without an X toolkit, pass
2804 to configure. Otherwise, install the development libraries for the toolkit
2805 that you want to use (e.g. Gtk+) and re-run configure.])
2810 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2814 if test "${USE_X_TOOLKIT}" != "none"; then
2815 AC_MSG_CHECKING(X11 toolkit version)
2816 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2817 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2818 [[#if XtSpecificationRelease < 6
2821 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2822 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2823 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2824 AC_MSG_RESULT(6 or newer)
2825 AC_DEFINE(HAVE_X11XTR6, 1,
2826 [Define to 1 if you have the X11R6 or newer version of Xt.])
2827 LIBXTR6="-lSM -lICE"
2829 ## Use libw.a along with X11R6 Xt.
2830 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2833 AC_MSG_RESULT(before 6)
2836 dnl If using toolkit, check whether libXmu.a exists.
2837 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2839 if test x$HAVE_X11XTR6 = xyes; then
2840 OTHERLIBS='-lXt -lSM -lICE'
2844 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2845 if test "X$LIBS" != "X$OLDLIBS"; then
2846 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2849 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2855 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2856 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2857 if test -d /usr/include/openmotif; then
2858 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2859 emacs_cv_openmotif=yes
2860 case "$canonical" in
2861 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2862 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2865 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2868 emacs_cv_openmotif=no
2870 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2871 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2872 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2875 Motif version prior to 2.1.
2877 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2878 if test $emacs_cv_motif_version_2_1 = yes; then
2879 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2880 if test x$emacs_cv_openmotif = xyes; then
2881 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2884 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2885 # We put this in CFLAGS temporarily to precede other -I options
2886 # that might be in CFLAGS temporarily.
2887 # We put this in CPPFLAGS where it precedes the other -I options.
2888 OLD_CPPFLAGS=$CPPFLAGS
2890 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2891 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2892 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2894 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2895 if test $emacs_cv_lesstif = yes; then
2896 # Make sure this -I option remains in CPPFLAGS after it is set
2897 # back to REAL_CPPFLAGS.
2898 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2899 # have those other -I options anyway. Ultimately, having this
2900 # directory ultimately in CPPFLAGS will be enough.
2901 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2902 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2905 CPPFLAGS=$OLD_CPPFLAGS
2908 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2909 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2912 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2913 dnl using Motif or Xaw3d is available, and unless
2914 dnl --with-toolkit-scroll-bars=no was specified.
2916 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2917 [Define to 1 if we should use toolkit scroll bars.])dnl
2918 USE_TOOLKIT_SCROLL_BARS=no
2919 if test "${with_toolkit_scroll_bars}" != "no"; then
2920 if test "${USE_X_TOOLKIT}" != "none"; then
2921 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2922 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2924 USE_TOOLKIT_SCROLL_BARS=yes
2925 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2926 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2927 USE_TOOLKIT_SCROLL_BARS=yes
2929 elif test "${HAVE_GTK}" = "yes"; then
2930 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2931 USE_TOOLKIT_SCROLL_BARS=yes
2932 elif test "${HAVE_NS}" = "yes"; then
2933 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2934 USE_TOOLKIT_SCROLL_BARS=yes
2935 elif test "${HAVE_W32}" = "yes"; then
2936 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2937 USE_TOOLKIT_SCROLL_BARS=yes
2941 dnl See if XIM is available.
2942 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2943 #include <X11/Xlib.h>
2944 #include <X11/Xresource.h>]],
2945 [[XIMProc callback;]])],
2947 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2950 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2952 if test "${with_xim}" != "no"; then
2953 AC_DEFINE(USE_XIM, 1,
2954 [Define to 1 if we should use XIM, if it is available.])
2958 if test "${HAVE_XIM}" != "no"; then
2960 if test "$GCC" = yes; then
2961 CFLAGS="$CFLAGS --pedantic-errors"
2963 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2964 #include <X11/Xlib.h>
2965 #include <X11/Xresource.h>]],
2971 XPointer *client_data;
2973 /* If we're not using GCC, it's probably not XFree86, and this is
2974 probably right, but we can't use something like --pedantic-errors. */
2975 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2976 char*, XIMProc, XPointer*);
2978 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2980 [emacs_cv_arg6_star=yes])
2981 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2982 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2983 either XPointer or XPointer*.])dnl
2984 if test "$emacs_cv_arg6_star" = yes; then
2985 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2987 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2992 ### Start of font-backend (under any platform) section.
2993 # (nothing here yet -- this is a placeholder)
2994 ### End of font-backend (under any platform) section.
2996 ### Start of font-backend (under X11) section.
2997 if test "${HAVE_X11}" = "yes"; then
2998 ## Use -lXft if available, unless `--with-xft=no'.
3000 if test "x${with_x}" = "xno"; then
3004 if test "$with_xft" != no; then
3005 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
3006 with_xft=$HAVE_FONTCONFIG
3009 if test "x${with_xft}" != "xno"; then
3011 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
3012 ## Because xftfont.c uses XRenderQueryExtension, we also
3013 ## need to link to -lXrender.
3015 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
3016 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
3017 OLD_CPPFLAGS="$CPPFLAGS"
3018 OLD_CFLAGS="$CFLAGS"
3020 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3021 CFLAGS="$CFLAGS $XFT_CFLAGS"
3022 XFT_LIBS="-lXrender $XFT_LIBS"
3023 LIBS="$XFT_LIBS $LIBS"
3024 AC_CHECK_HEADER(X11/Xft/Xft.h,
3025 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3026 [[#include <X11/X.h>]])
3028 if test "${HAVE_XFT}" = "yes"; then
3029 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3031 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3032 fi # "${HAVE_XFT}" = "yes"
3033 CPPFLAGS=$OLD_CPPFLAGS
3036 fi # "$HAVE_XFT" != no
3037 fi # "x${with_xft}" != "xno"
3039 ## We used to allow building with FreeType and without Xft.
3040 ## However, the ftx font backend driver is not in good shape.
3041 if test "$HAVE_XFT" != "yes"; then
3042 dnl For the "Does Emacs use" message at the end.
3046 dnl Strict linkers fail with
3047 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3048 dnl if -lfreetype is not specified.
3049 dnl The following is needed to set FREETYPE_LIBS.
3050 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3052 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3056 if test "${HAVE_FREETYPE}" = "yes"; then
3057 AC_DEFINE(HAVE_FREETYPE, 1,
3058 [Define to 1 if using the freetype and fontconfig libraries.])
3059 if test "${with_libotf}" != "no"; then
3060 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3061 if test "$HAVE_LIBOTF" = "yes"; then
3062 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3063 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3064 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3065 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3066 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3067 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3068 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3072 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3073 dnl Does the new font backend require it, or can it work without it?
3077 if test "${HAVE_LIBOTF}" = yes; then
3078 if test "${with_m17n_flt}" != "no"; then
3079 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3080 if test "$HAVE_M17N_FLT" = "yes"; then
3081 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3092 ### End of font-backend (under X11) section.
3094 AC_SUBST(FREETYPE_CFLAGS)
3095 AC_SUBST(FREETYPE_LIBS)
3096 AC_SUBST(FONTCONFIG_CFLAGS)
3097 AC_SUBST(FONTCONFIG_LIBS)
3098 AC_SUBST(LIBOTF_CFLAGS)
3099 AC_SUBST(LIBOTF_LIBS)
3100 AC_SUBST(M17N_FLT_CFLAGS)
3101 AC_SUBST(M17N_FLT_LIBS)
3104 if test "${HAVE_X11}" = "yes"; then
3105 if test "${with_cairo}" != "no"; then
3106 CAIRO_REQUIRED=1.12.0
3107 CAIRO_MODULE="cairo >= $CAIRO_REQUIRED"
3108 PKG_CHECK_MODULES(CAIRO, $CAIRO_MODULE, USE_CAIRO=yes, :)
3109 if test $USE_CAIRO = yes; then
3110 AC_DEFINE(USE_CAIRO, 1, [Define to 1 if using cairo.])
3112 AC_MSG_ERROR([cairo requested but not found.])
3115 CFLAGS="$CFLAGS $CAIRO_CFLAGS"
3116 LIBS="$LIBS $CAIRO_LIBS"
3117 AC_SUBST(CAIRO_CFLAGS)
3118 AC_SUBST(CAIRO_LIBS)
3122 ### Use -lXpm if available, unless `--with-xpm=no'.
3123 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3124 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3125 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3126 ### LDFLAGS) accordingly.
3129 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3130 if test "${with_xpm}" != "no"; then
3131 SAVE_CPPFLAGS="$CPPFLAGS"
3132 SAVE_LDFLAGS="$LDFLAGS"
3133 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3134 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3135 AC_CHECK_HEADER(X11/xpm.h,
3136 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3137 if test "${HAVE_XPM}" = "yes"; then
3138 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3139 AC_EGREP_CPP(no_return_alloc_pixels,
3140 [#include "X11/xpm.h"
3141 #ifndef XpmReturnAllocPixels
3142 no_return_alloc_pixels
3144 ], HAVE_XPM=no, HAVE_XPM=yes)
3146 if test "${HAVE_XPM}" = "yes"; then
3147 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3151 CPPFLAGS="$SAVE_CPPFLAGS"
3152 LDFLAGS="$SAVE_LDFLAGS"
3157 if test "${HAVE_XPM}" = "yes"; then
3158 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3163 if test "${HAVE_X11}" = "yes"; then
3164 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3165 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3167 if test "${with_xpm}" != "no"; then
3168 AC_CHECK_HEADER(X11/xpm.h,
3169 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3170 if test "${HAVE_XPM}" = "yes"; then
3171 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3172 AC_EGREP_CPP(no_return_alloc_pixels,
3173 [#include "X11/xpm.h"
3174 #ifndef XpmReturnAllocPixels
3175 no_return_alloc_pixels
3177 ], HAVE_XPM=no, HAVE_XPM=yes)
3179 if test "${HAVE_XPM}" = "yes"; then
3187 if test "${HAVE_XPM}" = "yes"; then
3188 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3190 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3191 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3196 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3197 ### slightly different requirements wrt image libraries (it doesn't
3198 ### use -lXpm because it loads the xpm shared library dynamically at
3200 if test "${opsys}" = "mingw32"; then
3201 if test "${with_xpm}" != "no"; then
3202 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3206 if test "${HAVE_XPM}" = "yes"; then
3207 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3213 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3214 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3217 if test "${opsys}" = "mingw32"; then
3218 if test "${with_jpeg}" != "no"; then
3219 dnl Checking for jpeglib.h can lose because of a redefinition of
3221 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3223 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3224 if test "${HAVE_JPEG}" = "yes"; then
3225 AC_DEFINE(HAVE_JPEG)
3226 AC_EGREP_CPP([version 6b or later],
3227 [#include <jpeglib.h>
3228 #if JPEG_LIB_VERSION >= 62
3232 [AC_DEFINE(HAVE_JPEG)],
3233 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3236 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3237 if test "${with_jpeg}" != "no"; then
3238 dnl Checking for jpeglib.h can lose because of a redefinition of
3240 AC_CHECK_HEADER(jerror.h,
3241 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3244 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3245 if test "${HAVE_JPEG}" = "yes"; then
3246 AC_DEFINE(HAVE_JPEG)
3247 AC_EGREP_CPP([version 6b or later],
3248 [#include <jpeglib.h>
3249 #if JPEG_LIB_VERSION >= 62
3253 [AC_DEFINE(HAVE_JPEG)],
3254 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3257 if test "${HAVE_JPEG}" = "yes"; then
3265 if test "${with_zlib}" != "no"; then
3267 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3269 case $ac_cv_search_inflateEnd in
3270 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3273 if test "${HAVE_ZLIB}" = "yes"; then
3274 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3275 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3276 if test "${opsys}" = "mingw32"; then
3282 ### Use -lpng if available, unless `--with-png=no'.
3286 if test "${NS_IMPL_COCOA}" = yes; then
3288 elif test "${with_png}" != no; then
3289 # mingw32 loads the library dynamically.
3290 if test "$opsys" = mingw32; then
3291 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3292 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3293 AC_MSG_CHECKING([for png])
3294 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3295 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3296 # libpng-config does not work; configure by hand.
3297 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3298 # in /usr/include/libpng.
3299 if test -r /usr/include/libpng/png.h &&
3300 test ! -r /usr/include/png.h; then
3301 png_cflags=-I/usr/include/libpng
3309 CFLAGS="$CFLAGS $png_cflags"
3310 LIBS="$png_libs -lz -lm $LIBS"
3312 [AC_LANG_PROGRAM([[#include <png.h>]],
3313 [[return !png_get_channels (0, 0);]])],
3315 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3317 # $LIBPNG requires explicit -lz in some cases.
3318 # We don't know what those cases are, exactly, so play it safe and
3319 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3320 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3321 LIBPNG="$LIBPNG -lz"
3325 AC_MSG_RESULT([$HAVE_PNG])
3328 if test $HAVE_PNG = yes; then
3329 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3332 CFLAGS="$CFLAGS $PNG_CFLAGS"
3333 AC_CHECK_DECL([png_longjmp],
3335 [AC_DEFINE([PNG_DEPSTRUCT], [],
3336 [Define to empty to suppress deprecation warnings when building
3337 with --enable-gcc-warnings and with libpng versions before 1.5,
3338 which lack png_longjmp.])],
3344 AC_SUBST(PNG_CFLAGS)
3346 ### Use -ltiff if available, unless `--with-tiff=no'.
3347 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3350 if test "${opsys}" = "mingw32"; then
3351 if test "${with_tiff}" != "no"; then
3352 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3354 if test "${HAVE_TIFF}" = "yes"; then
3355 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3357 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3358 if test "${with_tiff}" != "no"; then
3359 AC_CHECK_HEADER(tiffio.h,
3361 # At least one tiff package requires the jpeg library.
3362 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3363 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3366 if test "${HAVE_TIFF}" = "yes"; then
3367 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3368 dnl FIXME -lz -lm, as per libpng?
3374 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3375 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3378 if test "${opsys}" = "mingw32"; then
3379 if test "${with_gif}" != "no"; then
3380 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3382 if test "${HAVE_GIF}" = "yes"; then
3383 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3385 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3386 || test "${HAVE_W32}" = "yes"; then
3387 AC_CHECK_HEADER(gif_lib.h,
3388 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3389 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3390 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3391 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3393 if test "$HAVE_GIF" = yes; then
3395 elif test "$HAVE_GIF" = maybe; then
3396 # If gif_lib.h but no libgif, try libungif.
3397 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3398 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3401 if test "${HAVE_GIF}" = "yes"; then
3402 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3407 dnl Check for required libraries.
3408 if test "${HAVE_X11}" = "yes"; then
3411 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3412 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3413 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3414 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3415 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3416 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3417 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3418 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3419 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3420 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3422 if test "X${MISSING}" != X; then
3423 AC_MSG_ERROR([The following required libraries were not found:
3425 Maybe some development libraries/packages are missing?
3426 If you don't want to link with them give
3428 as options to configure])
3432 ### Use -lgpm if available, unless `--with-gpm=no'.
3435 if test "${with_gpm}" != "no"; then
3436 AC_CHECK_HEADER(gpm.h,
3437 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3439 if test "${HAVE_GPM}" = "yes"; then
3440 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3446 dnl Check for malloc/malloc.h on darwin
3447 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3450 ### Use NeXTstep API to implement GUI.
3451 if test "${HAVE_NS}" = "yes"; then
3452 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3453 if test "${NS_IMPL_COCOA}" = "yes"; then
3454 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3456 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3457 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3458 if test $NS_GNUSTEP_CONFIG != yes; then
3459 # See also .m.o rule in src/Makefile.in. */
3460 # FIXME: are all these flags really needed? Document here why. */
3461 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3462 ## Extra CFLAGS applied to src/*.m files.
3463 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3469 ### Use session management (-lSM -lICE) if available
3472 if test "${HAVE_X11}" = "yes"; then
3473 AC_CHECK_HEADER(X11/SM/SMlib.h,
3474 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3476 if test "${HAVE_X_SM}" = "yes"; then
3477 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3483 ### Use XRandr (-lXrandr) if available
3485 if test "${HAVE_X11}" = "yes"; then
3486 XRANDR_REQUIRED=1.2.2
3487 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3488 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3489 if test $HAVE_XRANDR = no; then
3490 # Test old way in case pkg-config doesn't have it (older machines).
3491 # Include Xrender.h by hand to work around bug in older Xrandr.h
3492 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3493 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3494 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3495 [], [AC_INCLUDES_DEFAULT
3496 #include <X11/extensions/Xrender.h>])
3497 if test $HAVE_XRANDR = yes; then
3498 XRANDR_LIBS=-lXrandr
3501 if test $HAVE_XRANDR = yes; then
3502 SAVE_CFLAGS="$CFLAGS"
3504 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3505 LIBS="$XRANDR_LIBS $LIBS"
3506 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3507 CFLAGS="$SAVE_CFLAGS"
3510 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3513 AC_SUBST(XRANDR_CFLAGS)
3514 AC_SUBST(XRANDR_LIBS)
3516 ### Use Xinerama (-lXinerama) if available
3518 if test "${HAVE_X11}" = "yes"; then
3519 XINERAMA_REQUIRED=1.0.2
3520 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3521 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3522 if test $HAVE_XINERAMA = no; then
3523 # Test old way in case pkg-config doesn't have it (older machines).
3524 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3525 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3526 if test $HAVE_XINERAMA = yes; then
3527 XINERAMA_LIBS=-lXinerama
3530 if test $HAVE_XINERAMA = yes; then
3531 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3534 AC_SUBST(XINERAMA_CFLAGS)
3535 AC_SUBST(XINERAMA_LIBS)
3537 ### Use Xfixes (-lXfixes) if available
3539 if test "${HAVE_X11}" = "yes"; then
3540 XFIXES_REQUIRED=4.0.0
3541 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3542 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3543 if test $HAVE_XFIXES = no; then
3544 # Test old way in case pkg-config doesn't have it (older machines).
3545 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3546 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3547 if test $HAVE_XFIXES = yes; then
3548 XFIXES_LIBS=-lXfixes
3551 if test $HAVE_XFIXES = yes; then
3552 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3555 AC_SUBST(XFIXES_CFLAGS)
3556 AC_SUBST(XFIXES_LIBS)
3558 ### Use libxml (-lxml2) if available
3559 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3561 if test "${with_xml2}" != "no"; then
3562 ### I'm not sure what the version number should be, so I just guessed.
3563 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3564 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3565 if test "${HAVE_LIBXML2}" != "yes" && test "$opsys" = "darwin"; then
3566 SAVE_CPPFLAGS="$CPPFLAGS"
3567 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3568 AC_CHECK_HEADER(libxml/HTMLparser.h,
3569 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3570 [#include <libxml/HTMLparser.h>])])
3571 CPPFLAGS="$SAVE_CPPFLAGS"
3572 if test "${HAVE_LIBXML2}" = "yes"; then
3573 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3574 LIBXML2_LIBS="-lxml2"
3577 if test "${HAVE_LIBXML2}" = "yes"; then
3578 if test "${opsys}" != "mingw32"; then
3579 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no,
3584 if test "${HAVE_LIBXML2}" = "yes"; then
3585 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3592 AC_SUBST(LIBXML2_LIBS)
3593 AC_SUBST(LIBXML2_CFLAGS)
3595 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3596 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3597 if test "${opsys}" = "mingw32"; then
3598 emacs_cv_netdb_declares_h_errno=yes
3600 AC_CACHE_CHECK(whether netdb declares h_errno,
3601 emacs_cv_netdb_declares_h_errno,
3602 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3603 [[return h_errno;]])],
3604 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3605 if test $emacs_cv_netdb_declares_h_errno = yes; then
3606 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3609 # Check for mail-locking functions in a "mail" library. Probably this should
3610 # have the same check as for liblockfile below.
3611 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3612 if test $have_mail = yes; then
3614 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3617 LIBS="$LIBS_MAIL $LIBS"
3618 AC_CHECK_FUNCS(touchlock)
3623 dnl Debian, at least:
3624 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3625 if test $have_lockfile = yes; then
3626 LIBS_MAIL=-llockfile
3627 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3629 # If we have the shared liblockfile, assume we must use it for mail
3630 # locking (e.g. Debian). If we couldn't link against liblockfile
3631 # (no liblockfile.a installed), ensure that we don't need to.
3632 dnl This works for files generally, not just executables.
3633 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3634 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3635 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3636 if test $ac_cv_prog_liblockfile = yes; then
3637 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3638 This probably means that movemail could lose mail.
3639 There may be a `development' package to install containing liblockfile.])
3642 AC_CHECK_HEADERS_ONCE(maillock.h)
3645 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3646 ## interlock access to the mail spool. The alternative is a lock file named
3647 ## /usr/spool/mail/$USER.lock.
3650 aix4-2) mail_lock="lockf" ;;
3652 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3654 ## On GNU/Linux systems, both methods are used by various mail programs.
3655 ## I assume most people are using newer mailers that have heard of flock.
3656 ## Change this if you need to.
3657 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3658 ## configure gets the right answers, and that means *NOT* using flock.
3659 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3660 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3661 ## Debian maintainer hasn't provided a clean fix for Emacs.
3662 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3663 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3664 ## correct logic. -- fx
3665 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3666 ## liblockfile is a Free Software replacement for libmail, used on
3667 ## Debian systems and elsewhere. -rfr.
3670 if test $have_mail = yes || test $have_lockfile = yes; then
3671 test $ac_cv_header_maillock_h = yes && mail_lock=no
3676 mail_lock="none-needed" ;;
3680 case "$mail_lock" in
3681 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3683 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3687 *) BLESSMAIL_TARGET="need-blessmail" ;;
3689 AC_SUBST(BLESSMAIL_TARGET)
3692 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3693 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3694 getrusage get_current_dir_name \
3695 lrand48 random rint \
3696 select getpagesize setlocale newlocale \
3697 getrlimit setrlimit shutdown getaddrinfo \
3698 pthread_sigmask strsignal setitimer \
3699 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3701 getpwent endpwent getgrent endgrent \
3702 cfmakeraw cfsetspeed copysign __executable_start log2)
3705 dnl No need to check for aligned_alloc and posix_memalign if using
3706 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3707 dnl Don't use these functions on Darwin as they are incompatible with
3709 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3710 && test "$opsys" != darwin; then
3711 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3714 dnl Cannot use AC_CHECK_FUNCS
3715 AC_CACHE_CHECK([for __builtin_unwind_init],
3716 emacs_cv_func___builtin_unwind_init,
3717 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3718 emacs_cv_func___builtin_unwind_init=yes,
3719 emacs_cv_func___builtin_unwind_init=no)])
3720 if test $emacs_cv_func___builtin_unwind_init = yes; then
3721 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3722 [Define to 1 if you have the `__builtin_unwind_init' function.])
3725 AC_CHECK_HEADERS_ONCE(sys/un.h)
3730 AC_CHECK_FUNCS(grantpt)
3732 # PTY-related GNU extensions.
3733 AC_CHECK_FUNCS(getpt posix_openpt)
3735 # Check this now, so that we will NOT find the above functions in ncurses.
3736 # That is because we have not set up to link ncurses in lib-src.
3737 # It's better to believe a function is not available
3738 # than to expect to find it in ncurses.
3739 # Also we need tputs and friends to be able to build at all.
3740 AC_MSG_CHECKING([for library containing tputs])
3741 # Run a test program that contains a call to tputs, a call that is
3742 # never executed. This tests whether a pre-'main' dynamic linker
3743 # works with the library. It's too much trouble to actually call
3744 # tputs in the test program, due to portability hassles. When
3745 # cross-compiling, assume the test program will run if it links.
3746 AC_DEFUN([tputs_link_source], [
3748 [[extern void tputs (const char *, int, int (*)(int));
3749 int main (int argc, char **argv)
3752 tputs (argv[0], 0, 0);
3756 if test "${opsys}" = "mingw32"; then
3759 # Maybe curses should be tried earlier?
3760 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3761 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3763 if test -z "$tputs_library"; then
3767 LIBS_TERMCAP=-l$tputs_library
3769 LIBS="$LIBS_TERMCAP $LIBS"
3771 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3772 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3774 if test "X$msg" != Xno; then
3779 AC_MSG_RESULT([$msg])
3780 if test "X$msg" = Xno; then
3781 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3782 The following libraries were tried (in order):
3783 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3784 Please try installing whichever of these libraries is most appropriate
3785 for your system, together with its header files.
3786 For example, a libncurses-dev(el) or similar package.])
3789 ## Use termcap instead of terminfo?
3790 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3792 ## FIXME? In the cases below where we unconditionally set
3793 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3794 ## if that was found above to have tputs.
3795 ## Should we use the gnu* logic everywhere?
3797 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3798 ## The ncurses library has been moved out of the System framework in
3799 ## Mac OS X 10.2. So if configure detects it, set the command-line
3800 ## option to use it.
3801 darwin) LIBS_TERMCAP="-lncurses" ;;
3803 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3806 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3807 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3808 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3809 [[#if __FreeBSD_version < 400000
3812 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3814 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3816 if test $emacs_cv_freebsd_terminfo = yes; then
3817 LIBS_TERMCAP="-lncurses"
3820 LIBS_TERMCAP="-ltermcap"
3830 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3832 LIBS_TERMCAP="-ltermcap"
3836 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3838 ## hpux: Make sure we get select from libc rather than from libcurses
3839 ## because libcurses on HPUX 10.10 has a broken version of select.
3840 ## We used to use -lc -lcurses, but this may be cleaner.
3841 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3842 # set that way, now it uses the default). Isn't this a contradiction?
3843 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3847 TERMCAP_OBJ=tparam.o
3848 if test $TERMINFO = yes; then
3849 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3850 TERMCAP_OBJ=terminfo.o
3852 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3853 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3855 AC_SUBST(LIBS_TERMCAP)
3856 AC_SUBST(TERMCAP_OBJ)
3858 # GNU/Linux-specific timer functions.
3859 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3861 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3863 [[timerfd_create (CLOCK_REALTIME,
3864 TFD_CLOEXEC | TFD_NONBLOCK);
3865 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3866 [emacs_cv_have_timerfd=yes],
3867 [emacs_cv_have_timerfd=no])])
3868 if test "$emacs_cv_have_timerfd" = yes; then
3869 AC_DEFINE([HAVE_TIMERFD], 1,
3870 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3873 # Alternate stack for signal handlers.
3874 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3875 [emacs_cv_alternate_stack],
3877 [AC_LANG_PROGRAM([[#include <signal.h>
3880 struct sigaction sa;
3881 ss.ss_sp = malloc (SIGSTKSZ);
3882 ss.ss_size = SIGSTKSZ;
3883 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3884 sigaltstack (&ss, 0);
3885 sigaction (SIGSEGV, &sa, 0);]])],
3886 [emacs_cv_alternate_stack=yes],
3887 [emacs_cv_alternate_stack=no])])
3889 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3890 # On Darwin, res_init appears not to be useful: see bug#562 and
3891 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3894 if test $opsys != darwin; then
3896 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3897 #include <arpa/nameser.h>
3898 #include <resolv.h>]],
3899 [[return res_init();]])],
3900 have_res_init=yes, have_res_init=no)
3901 if test "$have_res_init" = no; then
3903 LIBS="$LIBS -lresolv"
3904 AC_MSG_CHECKING(for res_init with -lresolv)
3905 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3906 #include <arpa/nameser.h>
3907 #include <resolv.h>]],
3908 [[return res_init();]])],
3909 have_res_init=yes, have_res_init=no)
3910 AC_MSG_RESULT($have_res_init)
3911 if test "$have_res_init" = yes ; then
3917 if test "$have_res_init" = yes; then
3918 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3922 # Do we need the Hesiod library to provide the support routines?
3923 dnl FIXME? Should we be skipping this on Darwin too?
3925 if test "$with_hesiod" != no ; then
3926 # Don't set $LIBS here -- see comments above. FIXME which comments?
3927 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3928 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3929 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3930 if test "$resolv" = yes ; then
3935 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3936 hesiod=yes, :, $RESOLVLIB)])
3938 if test x"$hesiod" = xyes; then
3944 # Do we need libresolv (due to res_init or Hesiod)?
3945 if test "$resolv" = yes && test $opsys != darwin; then
3952 # These tell us which Kerberos-related libraries to use.
3959 if test "${with_kerberos}" != no; then
3961 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3962 if test $have_com_err = yes; then
3963 COM_ERRLIB=-lcom_err
3964 LIBS="$COM_ERRLIB $LIBS"
3966 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3967 if test $have_crypto = yes; then
3969 LIBS="$CRYPTOLIB $LIBS"
3971 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3972 if test $have_k5crypto = yes; then
3973 CRYPTOLIB=-lk5crypto
3974 LIBS="$CRYPTOLIB $LIBS"
3976 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3977 if test $have_krb5=yes; then
3979 LIBS="$KRB5LIB $LIBS"
3981 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3982 if test "${with_kerberos5}" = no; then
3983 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3984 if test $have_des425 = yes; then
3986 LIBS="$DESLIB $LIBS"
3988 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3989 if test $have_des = yes; then
3991 LIBS="$DESLIB $LIBS"
3994 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3995 if test $have_krb4 = yes; then
3997 LIBS="$KRB4LIB $LIBS"
3999 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
4000 if test $have_krb = yes; then
4002 LIBS="$KRB4LIB $LIBS"
4007 if test "${with_kerberos5}" != no; then
4008 AC_CHECK_HEADERS(krb5.h,
4009 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
4010 [#include <krb5.h>])])
4012 AC_CHECK_HEADERS(krb.h,,
4013 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
4014 [AC_CHECK_HEADERS(kerberos/krb.h)])])
4016 AC_CHECK_HEADERS(com_err.h)
4020 AC_SUBST(COM_ERRLIB)
4026 AC_CHECK_HEADERS(valgrind/valgrind.h)
4028 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
4031 AC_CHECK_FUNC(socket, , ok_so_far=no)
4032 if test $ok_so_far = yes; then
4033 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4035 if test $ok_so_far = yes; then
4036 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4038 if test $ok_so_far = yes; then
4039 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4040 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4041 [Define to 1 if you have inet sockets.])
4046 AC_CHECK_FUNCS(snprintf)
4048 dnl Check for glib. This differs from other library checks in that
4049 dnl Emacs need not link to glib unless some other library is already
4050 dnl linking to glib. Although glib provides no facilities that Emacs
4051 dnl needs for its own purposes, when glib is present Emacs needs to
4052 dnl use primitives like g_main_context_query to avoid clashing with
4053 dnl glib at a low level.
4055 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4059 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4060 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4061 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS $CAIRO_CFLAGS"
4062 LIBS="$LIBS $GFILENOTIFY_LIBS $CAIRO_LIBS"
4063 AC_MSG_CHECKING([whether GLib is linked in])
4064 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4067 [[g_print ("Hello world");]])],
4070 AC_MSG_RESULT([$links_glib])
4071 if test "${links_glib}" = "yes"; then
4072 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4073 if test "$HAVE_NS" = no;then
4081 dnl Adapted from Haible's version.
4082 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4083 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4084 [[char* cs = nl_langinfo(CODESET);]])],
4085 emacs_cv_langinfo_codeset=yes,
4086 emacs_cv_langinfo_codeset=no)
4088 if test $emacs_cv_langinfo_codeset = yes; then
4089 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4090 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4095 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4096 dnl how the tty code is related to POSIX and/or other versions of termios.
4097 dnl The following looks like a useful start.
4099 dnl AC_SYS_POSIX_TERMIOS
4100 dnl if test $ac_cv_sys_posix_termios = yes; then
4101 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4102 dnl and macros for terminal control.])
4103 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4106 dnl Turned on June 1996 supposing nobody will mind it.
4107 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4108 if test "${opsys}" != "mingw32"; then
4109 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4110 in the full name stands for the login id.])
4113 dnl Everybody supports this, except MS.
4114 dnl Seems like the kind of thing we should be testing for, though.
4115 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4116 if test "${opsys}" != "mingw32"; then
4117 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4120 dnl Everybody supports this, except MS-DOS.
4121 dnl Seems like the kind of thing we should be testing for, though.
4122 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4123 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4124 4.2-compatible sockets.])
4126 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4128 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4129 a null file, or a data sink.])
4130 if test "${opsys}" = "mingw32"; then
4131 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4133 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4136 if test "${opsys}" = "mingw32"; then
4141 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4142 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4143 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4144 dnl decides that a command-line argument to be passed to a MinGW program
4145 dnl is a PATH-style list of directories. But that heuristics plays it
4146 dnl safe, and only does the replacement when it is _absolutely_ sure it
4147 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4148 dnl which breaks in-tree builds. So we do this manually instead.
4149 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4150 dnl be computed as ':' in MSYS Bash.
4153 dnl Everybody supports this, except MS-DOS.
4154 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4156 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4159 AC_DEFINE(DIRECTORY_SEP, ['/'],
4160 [Character that separates directories in a file name.])
4162 if test "${opsys}" = "mingw32"; then
4163 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4164 [Returns true if character is a device separator.])
4166 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4167 [Returns true if character is a directory separator.])
4169 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4170 [Returns true if character is any form of separator.])
4172 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4173 [Returns true if character is a device separator.])
4175 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4176 [Returns true if character is a directory separator.])
4178 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4179 [Returns true if character is any form of separator.])
4182 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4186 dnl Unfortunately without libXmu we cannot support EditRes.
4187 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4188 AC_DEFINE(NO_EDITRES, 1)
4193 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4194 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4195 AC_DEFINE(NO_EDITRES, 1)
4201 irix6-5 | sol2* | unixware )
4202 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4203 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4204 dnl need the constant to dimension an array. So wire in the appropriate
4206 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4210 emacs_broken_SIGIO=no
4213 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4214 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4215 hpux* | irix6-5 | nacl | openbsd | sol2* | unixware )
4216 emacs_broken_SIGIO=yes
4220 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4221 dnl the way this system works, libc functions that return malloced
4222 dnl memory use the libc malloc implementation. Calling xfree or
4223 dnl xrealloc on the results of such functions results in a crash.
4225 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4226 dnl but that does not currently work on this system.
4228 dnl It is possible to completely override the malloc implementation on
4229 dnl AIX, but that involves putting the malloc functions in a shared
4230 dnl library and setting the MALLOCTYPE environment variable to point to
4231 dnl that shared library.
4233 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4234 dnl to avoid a crash just use the Emacs implementation for that function.
4236 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4237 dnl of this file, so that we do not check for get_current_dir_name
4238 dnl on AIX. But that might be fragile if something else ends
4239 dnl up testing for get_current_dir_name as a dependency.
4240 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4241 get_current_dir_name should not be used.])
4245 dnl Circumvent a bug in FreeBSD. In the following sequence of
4246 dnl writes/reads on a PTY, read(2) returns bogus data:
4248 dnl write(2) 1022 bytes
4249 dnl write(2) 954 bytes, get EAGAIN
4250 dnl read(2) 1024 bytes in process_read_output
4251 dnl read(2) 11 bytes in process_read_output
4253 dnl That is, read(2) returns more bytes than have ever been written
4254 dnl successfully. The 1033 bytes read are the 1022 bytes written
4255 dnl successfully after processing (for example with CRs added if the
4256 dnl terminal is set up that way which it is here). The same bytes will
4257 dnl be seen again in a later read(2), without the CRs.
4258 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4259 work around an issue when reading from a PTY.])
4265 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4266 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4271 darwin | dragonfly | freebsd | netbsd | openbsd )
4272 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4273 close a pty to make it a controlling terminal (it is already a
4274 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4278 dnl FIXME Surely we can test for this rather than hard-code it.
4280 netbsd | openbsd) sound_device="/dev/audio" ;;
4281 *) sound_device="/dev/dsp" ;;
4285 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4286 [Name of the default sound device.])
4289 dnl Emacs can read input using SIGIO and buffering characters itself,
4290 dnl or using CBREAK mode and making C-g cause SIGINT.
4291 dnl The choice is controlled by the variable interrupt_input.
4293 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4295 dnl Emacs uses the presence of the USABLE_SIGIO macro
4296 dnl to indicate whether or not signal-driven I/O is possible. It uses
4297 dnl INTERRUPT_INPUT to decide whether to use it by default.
4299 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4300 dnl CBREAK mode has two disadvantages
4301 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4302 dnl I hear that in system V this problem does not exist.
4303 dnl 2) Control-G causes output to be discarded.
4304 dnl I do not know whether this can be fixed in system V.
4306 dnl Another method of doing input is planned but not implemented.
4307 dnl It would have Emacs fork off a separate process
4308 dnl to read the input and send it to the true Emacs process
4311 darwin | gnu-linux | gnu-kfreebsd )
4312 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4317 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4318 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4319 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4320 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4321 dnl taking float or double parameters.
4323 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4324 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4325 file defines `NeedWidePrototypes' as `NO'.])
4330 dnl Used in process.c, this must be a loop, even if it only runs once.
4331 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4332 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4333 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4334 dnl trying suffixes 0-16.
4335 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4336 first PTY, if PTYs are supported.])
4337 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4338 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4339 end of a PTY, if non-standard.])
4340 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4341 end of a PTY, if non-standard.])
4345 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4346 dnl You allocate a pty by opening /dev/ptc to get the master side.
4347 dnl To get the name of the slave side, you just ttyname() the master side.
4348 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4349 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4353 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4354 dnl multi-line AC_DEFINEs are hard. :(
4355 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)])
4356 AC_DEFINE(PTY_NAME_SPRINTF, [])
4357 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4360 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4362 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4363 dnl Not used, because PTY_ITERATION is defined.
4364 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4365 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4366 dnl But we don't have to block SIGCHLD because it is blocked in the
4367 dnl implementation of grantpt.
4368 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4369 AC_DEFINE(PTY_NAME_SPRINTF, [])
4370 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4374 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4377 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd | nacl )
4379 if test "x$ac_cv_func_grantpt" = xyes; then
4380 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4381 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4382 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4383 dnl to prevent sigchld_handler from intercepting the child's death.
4384 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); }])
4385 dnl if HAVE_POSIX_OPENPT
4386 if test "x$ac_cv_func_posix_openpt" = xyes; then
4387 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4388 AC_DEFINE(PTY_NAME_SPRINTF, [])
4390 elif test "x$ac_cv_func_getpt" = xyes; then
4391 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4392 AC_DEFINE(PTY_NAME_SPRINTF, [])
4394 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4397 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4402 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4403 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4404 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4408 dnl It looks like this cannot be right, because it is not a loop.
4409 dnl However, process.c actually does this:
4415 dnl which presumably makes it OK, since irix == sgi (?).
4416 dnl FIXME it seems like this special treatment is unnecessary?
4417 dnl Why can't irix use a single-trip loop like eg cygwin?
4418 AC_DEFINE(PTY_ITERATION, [])
4419 dnl Not used, because PTY_ITERATION is defined.
4420 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4421 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); }])
4422 dnl No need to get the pty name at all.
4423 AC_DEFINE(PTY_NAME_SPRINTF, [])
4424 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4425 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4429 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4430 dnl from intercepting that death. If any child but grantpt's should die
4431 dnl within, it should be caught after sigrelse(2).
4432 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); }])
4436 dnl Comments are as per sol2*.
4437 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); }])
4444 dnl This change means that we don't loop through allocate_pty too
4445 dnl many times in the (rare) event of a failure.
4446 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4447 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4448 dnl Push various streams modules onto a PTY channel. Used in process.c.
4449 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.])
4454 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4455 "typing" a signal character on the pty.])
4458 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4459 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4460 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4461 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4464 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4465 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4466 gnu-linux | gnu-kfreebsd )
4468 AC_MSG_CHECKING([for signals via characters])
4469 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4470 #include <linux/version.h>
4471 #if LINUX_VERSION_CODE < 0x20400
4472 # error "Linux version too old"
4474 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4476 AC_MSG_RESULT([$emacs_signals_via_chars])
4477 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4482 AH_TEMPLATE(TAB3, [Undocumented.])
4485 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4487 gnu | dragonfly | freebsd | netbsd | openbsd )
4488 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4489 AC_DEFINE(TAB3, OXTABS)
4492 gnu-linux | gnu-kfreebsd )
4493 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4497 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4498 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4499 [Mark a secondary stack, like the register stack on the ia64.]), [])
4503 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4504 run_time_remap; for HPUX.])
4509 dnl This won't be used automatically yet. We also need to know, at least,
4510 dnl that the stack is continuous.
4511 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4512 registers relevant for conservative garbage collection in the jmp_buf.])
4516 dnl Not all the architectures are tested, but there are Debian packages
4517 dnl for SCM and/or Guile on them, so the technique must work. See also
4518 dnl comments in alloc.c concerning setjmp and gcc.
4519 dnl Fixme: it's probably safe to just use the GCC conditional below.
4520 gnu-linux | gnu-kfreebsd )
4521 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4522 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4523 || defined __alpha__ || defined __mips__ || defined __s390__ \
4524 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4525 || defined __ia64__ || defined __sh__
4528 # error "setjmp not known to work on this arch"
4530 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4535 if test x$GCC = xyes; then
4536 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4537 AC_DEFINE(GC_SETJMP_WORKS, 1)
4540 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4541 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4542 AC_DEFINE(GC_SETJMP_WORKS, 1)
4547 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4548 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4551 [[#include <setjmp.h>
4553 # define _longjmp longjmp
4558 _longjmp (j, 1);]])],
4559 [emacs_cv_func__setjmp=yes],
4560 [emacs_cv_func__setjmp=no])])
4561 if test $emacs_cv_func__setjmp = yes; then
4562 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4565 # We need to preserve signal mask to handle C stack overflows.
4566 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4569 [[#include <setjmp.h>
4572 if (! sigsetjmp (j, 1))
4573 siglongjmp (j, 1);]])],
4574 [emacs_cv_func_sigsetjmp=yes],
4575 [emacs_cv_func_sigsetjmp=no])])
4576 if test $emacs_cv_func_sigsetjmp = yes; then
4577 AC_DEFINE([HAVE_SIGSETJMP], 1,
4578 [Define to 1 if sigsetjmp and siglongjmp work.])
4581 # We need all of these features to handle C stack overflows.
4582 if test "$ac_cv_header_sys_resource_h" = "yes" &&
4583 test "$ac_cv_func_getrlimit" = "yes" &&
4584 test "$emacs_cv_func_sigsetjmp" = "yes" &&
4585 test "$emacs_cv_alternate_stack" = yes; then
4586 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4587 [Define to 1 if C stack overflow can be handled in some cases.])
4592 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4593 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4594 dnl and this is all we need.
4595 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4602 dnl Used in xfaces.c.
4603 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4604 some systems, where it requires time.h.])
4609 dnl Define symbols to identify the version of Unix this is.
4610 dnl Define all the symbols that apply correctly.
4611 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4612 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4613 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4614 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4619 dnl This symbol should be defined on AIX Version 3 ???????
4620 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4622 # error "_AIX not defined"
4624 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4628 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4632 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4633 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4634 dnl distinguish OS X from pure Darwin.
4635 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4638 gnu-linux | gnu-kfreebsd )
4640 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4645 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4650 AC_DEFINE(USG5_4, [])
4651 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4655 AC_DEFINE(DOS_NT, [])
4656 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4657 if test "x$ac_enable_checking" != "x" ; then
4658 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4664 AC_DEFINE(USG5_4, [])
4665 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4670 AC_DEFINE(USG5_4, [])
4674 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4677 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4678 emacs_cv_usable_FIONREAD=no
4682 emacs_cv_usable_FIONREAD=yes
4687 [AC_LANG_PROGRAM([[#include <sys/types.h>
4688 #include <sys/ioctl.h>
4690 # include <sys/filio.h>
4693 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4694 [emacs_cv_usable_FIONREAD=yes],
4695 [emacs_cv_usable_FIONREAD=no])
4698 if test $emacs_cv_usable_FIONREAD = yes; then
4699 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4701 if test $emacs_broken_SIGIO = no; then
4702 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4704 [AC_LANG_PROGRAM([[#include <fcntl.h>
4707 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4708 [emacs_cv_usable_SIGIO=yes],
4709 [emacs_cv_usable_SIGIO=no])],
4710 [emacs_cv_usable_SIGIO=yes],
4711 [emacs_cv_usable_SIGIO=no])
4712 if test $emacs_cv_usable_SIGIO = yes; then
4713 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4720 dnl It works to open the pty's tty in the parent (Emacs), then
4721 dnl close and reopen it in the child.
4722 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4723 works to open a pty's tty in the parent process, then close and
4724 reopen it in the child.])
4728 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4729 use VSUSP instead of VSWTCH.])
4733 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4738 # Set up the CFLAGS for real compilation, so we can substitute it.
4739 CFLAGS="$REAL_CFLAGS"
4740 CPPFLAGS="$REAL_CPPFLAGS"
4743 ## Hack to detect a buggy GCC version.
4744 if test "x$GCC" = xyes \
4745 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4746 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4747 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4748 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4751 version=$PACKAGE_VERSION
4753 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4754 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4755 [Short copyright string for this version of Emacs.])
4758 ### Specify what sort of things we'll be editing into Makefile and config.h.
4759 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4761 AC_SUBST(configuration)
4766 AC_SUBST(exec_prefix)
4769 AC_SUBST(sharedstatedir)
4770 AC_SUBST(libexecdir)
4774 AC_SUBST(standardlisppath)
4775 AC_SUBST(locallisppath)
4777 AC_SUBST(x_default_search_path)
4779 AC_SUBST(archlibdir)
4785 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4786 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4787 ## end of LIBX_BASE, but nothing ever set it.
4788 AC_SUBST(LD_SWITCH_X_SITE)
4789 AC_SUBST(C_SWITCH_X_SITE)
4790 AC_SUBST(GNUSTEP_CFLAGS)
4792 ## Used in lwlib/Makefile.in.
4793 AC_SUBST(X_TOOLKIT_TYPE)
4795 AC_SUBST(ns_appbindir)
4796 AC_SUBST(ns_appresdir)
4798 AC_SUBST(GNU_OBJC_CFLAGS)
4799 AC_SUBST(OTHER_FILES)
4801 if test -n "${term_header}"; then
4802 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4803 [Define to the header for the built-in window system.])
4806 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4807 [Define to the canonical Emacs configuration name.])
4808 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4809 [Define to the options passed to configure.])
4810 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4811 define this to include extra configuration information.])
4815 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4822 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4823 AC_DEFINE(HAVE_X_WINDOWS, 1,
4824 [Define to 1 if you want to use the X window system.])
4826 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4828 if test "$USE_CAIRO" = "yes"; then
4829 FONT_OBJ="ftfont.o ftcrfont.o"
4830 elif test "$HAVE_XFT" = "yes"; then
4831 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4832 elif test "$HAVE_FREETYPE" = "yes"; then
4833 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4843 if test "${USE_X_TOOLKIT}" != "none" ; then
4845 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4846 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4847 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4848 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4849 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4853 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4854 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4858 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4859 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4860 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4864 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4865 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4868 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4871 AC_SUBST(WIDGET_OBJ)
4874 case "$USE_X_TOOLKIT" in
4875 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4876 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4877 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4879 AC_SUBST(TOOLKIT_LIBW)
4881 if test "${opsys}" != "mingw32"; then
4882 if test "$USE_X_TOOLKIT" = "none"; then
4883 LIBXT_OTHER="\$(LIBXSM)"
4885 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4888 AC_SUBST(LIBXT_OTHER)
4890 if test "${HAVE_X11}" = "yes" ; then
4891 AC_DEFINE(HAVE_X11, 1,
4892 [Define to 1 if you want to use version 11 of X windows.])
4893 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4897 AC_SUBST(LIBX_OTHER)
4899 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4901 elif test "$USE_X_TOOLKIT" = none; then
4902 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4904 LIBXMENU='$(lwlibdir)/liblw.a'
4908 AC_CACHE_CHECK([for struct alignment],
4909 [emacs_cv_struct_alignment],
4911 [AC_LANG_PROGRAM([[#include <stddef.h>
4912 struct __attribute__ ((aligned (8))) s { char c; };
4913 struct t { char c; struct s s; };
4914 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4916 [emacs_cv_struct_alignment=yes],
4917 [emacs_cv_struct_alignment=no])])
4918 if test "$emacs_cv_struct_alignment" = yes; then
4919 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4920 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4921 structure to an N-byte boundary.])
4924 if test "${GNU_MALLOC}" = "yes" ; then
4925 AC_DEFINE(GNU_MALLOC, 1,
4926 [Define to 1 if you want to use the GNU memory allocator.])
4930 if test "${REL_ALLOC}" = "yes" ; then
4931 AC_DEFINE(REL_ALLOC, 1,
4932 [Define REL_ALLOC if you want to use the relocating allocator for
4935 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4937 AC_SUBST(RALLOC_OBJ)
4939 if test "$opsys" = "cygwin"; then
4940 CYGWIN_OBJ="sheap.o cygw32.o"
4941 ## Cygwin differs because of its unexec().
4943 POST_ALLOC_OBJ=lastfile.o
4944 elif test "$opsys" = "mingw32"; then
4947 POST_ALLOC_OBJ=lastfile.o
4950 PRE_ALLOC_OBJ=lastfile.o
4953 AC_SUBST(CYGWIN_OBJ)
4954 AC_SUBST(PRE_ALLOC_OBJ)
4955 AC_SUBST(POST_ALLOC_OBJ)
4957 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4958 dnl verbatim defined above. The tricky name is apropos, as this hack
4959 dnl makes Fortify go sour!
4960 AH_VERBATIM([FORTIFY_SOUR],
4961 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4962 The workaround disables some useful run-time checking, so it
4963 should be conditional to the platforms with the performance bug.
4964 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4965 #if defined __APPLE__ && defined __GNUC__
4966 # ifndef _DONT_USE_CTYPE_INLINE_
4967 # define _DONT_USE_CTYPE_INLINE_
4969 # ifndef _FORTIFY_SOURCE
4970 # define _FORTIFY_SOURCE 0
4975 # If user asks to omit features, disable optional features that gnulib
4976 # might otherwise enable.
4977 if test "$with_features" = no && test "$enable_acl" != yes; then
4981 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4982 # it temporarily reverts them to their pre-pkg-config values,
4983 # because gnulib needs to work with both src (which uses the
4984 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4985 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4986 # and it therefore needs to run in an environment where LIBS does not
4987 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4988 # for some package unrelated to lib-src.
4991 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4992 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4993 gl_ASSERT_NO_GNULIB_POSIXCHECK
4994 gl_ASSERT_NO_GNULIB_TESTS
4999 if test "${opsys}" = "mingw32"; then
5000 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
5001 # Remove unneeded switches from the value of CC that goes to Makefiles
5002 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
5006 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
5008 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
5011 ## The -headerpad option tells ld (see man page) to leave room at the
5012 ## end of the header for adding load commands. Needed for dumping.
5013 ## 0x1000 is enough for roughly 52 load commands on the x86_64
5014 ## architecture (where they are 78 bytes each). The actual number of
5015 ## load commands added is not consistent but normally ranges from
5016 ## about 14 to about 34. Setting it high gets us plenty of slop and
5017 ## only costs about 1.5K of wasted binary space.
5018 headerpad_extra=1000
5019 if test "$HAVE_NS" = "yes"; then
5020 libs_nsgui="-framework AppKit"
5021 if test "$NS_IMPL_COCOA" = "yes"; then
5022 libs_nsgui="$libs_nsgui -framework IOKit"
5027 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
5029 ## This is here because src/Makefile.in did some extra fiddling around
5030 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
5031 ## LD_SWITCH_SYSTEM_TEMACS instead,
5032 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
5033 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5036 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5037 ## find X at run-time.
5038 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5039 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5040 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5041 ## had different values in configure (in ac_link) and src/Makefile.in.
5042 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5043 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5046 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5047 case "$canonical" in
5048 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5049 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5053 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5056 AC_CACHE_CHECK([whether the linker accepts -nopie],
5057 [emacs_cv_prog_cc_nopie],
5058 [emacs_save_LDFLAGS=$LDFLAGS
5059 LDFLAGS="$LDFLAGS -nopie"
5060 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
5061 [emacs_cv_prog_cc_nopie=yes],
5062 [emacs_cv_prog_cc_nopie=no])
5063 LDFLAGS=$emacs_save_LDFLAGS])
5064 if test "$emacs_cv_prog_cc_nopie" = yes; then
5065 # Disable PIE to avoid segfaults in temacs (bug#18784)
5066 LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -nopie"
5069 if test x$ac_enable_profiling != x ; then
5071 *freebsd | gnu-linux) ;;
5072 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5076 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5078 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5080 ## Common for all window systems
5081 if test "$window_system" != "none"; then
5082 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5083 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5084 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5087 AC_SUBST(WINDOW_SYSTEM_OBJ)
5089 AH_TOP([/* GNU Emacs site configuration template file.
5091 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
5092 Free Software Foundation, Inc.
5094 This file is part of GNU Emacs.
5096 GNU Emacs is free software: you can redistribute it and/or modify
5097 it under the terms of the GNU General Public License as published by
5098 the Free Software Foundation, either version 3 of the License, or
5099 (at your option) any later version.
5101 GNU Emacs is distributed in the hope that it will be useful,
5102 but WITHOUT ANY WARRANTY; without even the implied warranty of
5103 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5104 GNU General Public License for more details.
5106 You should have received a copy of the GNU General Public License
5107 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5110 /* No code in Emacs #includes config.h twice, but some bits of code
5111 intended to work with other packages as well (like gmalloc.c)
5112 think they can include it as many times as they like. */
5113 #ifndef EMACS_CONFIG_H
5114 #define EMACS_CONFIG_H
5117 AH_BOTTOM([#include <conf_post.h>
5119 #endif /* EMACS_CONFIG_H */
5128 #### Report on what we decided to do.
5129 #### Report GTK as a toolkit, even if it doesn't use Xt.
5130 #### It makes printing result more understandable as using GTK sets
5131 #### toolkit_scroll_bars to yes by default.
5132 if test "${HAVE_GTK}" = "yes"; then
5133 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5136 if test $USE_ACL -ne 0; then
5137 ACL_SUMMARY="yes $LIB_ACL"
5143 Configured for \`${canonical}'.
5145 Where should the build process find the source code? ${srcdir}
5146 What compiler should emacs be built with? ${CC} ${CFLAGS}
5147 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5148 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5149 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5150 What window system should Emacs use? ${window_system}
5151 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5153 if test -n "${x_includes}"; then
5154 echo " Where do we find X Windows header files? ${x_includes}"
5156 echo " Where do we find X Windows header files? Standard dirs"
5158 if test -n "${x_libraries}"; then
5159 echo " Where do we find X Windows libraries? ${x_libraries}"
5161 echo " Where do we find X Windows libraries? Standard dirs"
5165 emacs_config_features=
5166 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5167 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5171 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5172 *) eval val=\${HAVE_$opt} ;;
5174 test x"$val" = xno && continue
5175 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5178 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5179 [Summary of some of the main features enabled by configure.])
5181 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5182 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5183 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5184 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5185 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5186 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5187 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5188 echo " Does Emacs use cairo? ${USE_CAIRO}"
5189 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5191 echo " Does Emacs support sound? ${HAVE_SOUND}"
5193 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5194 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5195 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5196 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5197 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5198 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5199 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5200 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5201 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5203 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5204 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5205 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5206 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5207 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5209 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5212 if test -n "${EMACSDATA}"; then
5213 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5215 if test -n "${EMACSDOC}"; then
5216 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5221 if test "$HAVE_NS" = "yes"; then
5223 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5224 The installed application will go to nextstep/Emacs.app and can be
5225 run or moved from there."
5226 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5227 echo "The application will be fully self-contained."
5229 echo "The lisp resources for the application will be installed under ${prefix}.
5230 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5231 to run if these resources are not installed."
5236 if test "${opsys}" = "cygwin"; then
5238 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5244 # Remove any trailing slashes in these variables.
5245 [test "${prefix}" != NONE &&
5246 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5247 test "${exec_prefix}" != NONE &&
5248 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5250 if test "$HAVE_NS" = "yes"; then
5251 if test "$NS_IMPL_GNUSTEP" = yes; then
5252 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5253 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5254 ns_check_file=Resources/Info-gnustep.plist
5256 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5257 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5258 ns_check_file=Contents/Info.plist
5260 AC_SUBST(ns_check_file)
5263 dnl config.status treats $srcdir specially, so I think this is ok...
5264 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5266 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5267 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5268 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5269 dnl (else you get "no `Makefile.am' found for any configure output").
5270 dnl This will work, but you get a config.status that is not quite right
5271 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5272 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5273 dnl it seems better to just live with the duplication.
5274 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5276 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5277 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5278 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5279 leim/Makefile nextstep/Makefile nt/Makefile])
5281 dnl test/ is not present in release tarfiles.
5282 opt_makefile=test/automated/Makefile
5284 if test -f "$srcdir/$opt_makefile.in"; then
5285 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5286 dnl Again, it's best not to use a variable. Though you can add
5287 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5288 AC_CONFIG_FILES([test/automated/Makefile])
5292 dnl The admin/ directory used to be excluded from tarfiles.
5293 if test -d $srcdir/admin; then
5294 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5295 AC_CONFIG_FILES([admin/unidata/Makefile])
5296 AC_CONFIG_FILES([admin/grammars/Makefile])
5300 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5302 AC_SUBST(SUBDIR_MAKEFILES_IN)
5304 dnl You might wonder (I did) why epaths.h is generated by running make,
5305 dnl rather than just letting configure generate it from epaths.in.
5306 dnl One reason is that the various paths are not fully expanded (see above);
5307 dnl eg gamedir=${prefix}/var/games/emacs.
5308 dnl Secondly, the GNU Coding standards require that one should be able
5309 dnl to run `make prefix=/some/where/else' and override the values set
5310 dnl by configure. This also explains the `move-if-change' test and
5311 dnl the use of force in the `epaths-force' rule in Makefile.in.
5312 AC_CONFIG_COMMANDS([src/epaths.h], [
5313 if test "${opsys}" = "mingw32"; then
5314 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5316 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5317 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5318 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5320 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5321 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5323 AC_CONFIG_COMMANDS([src/.gdbinit], [
5324 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5325 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5329 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5330 dnl See comments for etc-refcards-emacsver.tex.
5331 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5332 dnl it is not quite the same. But we are generating in $srcdir.
5333 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5334 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5335 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5338 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5339 dnl then a directory etc/refcards is created in the build directory,
5340 dnl which is probably harmless, but confusing (in out-of-tree builds).
5341 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5342 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5343 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5344 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5345 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5350 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])