1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2015 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 25.0.50, bug-gnu-emacs@gnu.org)
28 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
29 dnl and then quoted again for a C string. Separate options with spaces.
30 dnl Add some environment variables, if they were passed via the environment
31 dnl rather than on the command-line.
34 dnl This is the documented way to record the args passed to configure,
35 dnl rather than $ac_configure_args.
36 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
38 -n | --no-create | --no-recursion)
40 CFLAGS | CPPFLAGS | LDFLAGS)
41 eval 'test "${'$opt'+set}" = set' || continue
43 *" $opt="*) continue ;;
45 eval opt=$opt=\$$opt ;;
48 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
50 *[["$emacs_shell_specials"]]*)
53 emacs_quote_apostrophes="s/'/'\\\\''/g"
54 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
59 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
60 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
63 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
67 AC_CONFIG_HEADERS(src/config.h:src/config.in)
68 AC_CONFIG_SRCDIR(src/lisp.h)
69 AC_CONFIG_AUX_DIR(build-aux)
70 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
71 dnl With older versions this is a no-op.
72 AC_CONFIG_MACRO_DIR(m4)
75 AC_CHECK_PROGS(XCRUN, [xcrun])
76 if test -n "$XCRUN"; then
77 if test -z "$MAKE"; then
78 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
79 dnl the usual MAKE variable that 'make' itself uses.
80 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
81 if test -z "$MAKE_PROG"; then
84 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
89 dnl GNU Make is required, so don't test for its individual features.
90 am_cv_make_support_nested_variables=yes
91 AC_DEFUN([AC_PROG_MAKE_SET],
93 AC_SUBST([SET_MAKE])])
95 dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
96 [emacs_check_gnu_make ()
98 emacs_makeout=`($1 --version) 2>/dev/null` &&
99 case $emacs_makeout in
100 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
101 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
102 ac_path_MAKE_found=:;;
105 AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
106 [ac_path_MAKE_found=false
107 if test -n "$MAKE"; then
108 emacs_check_gnu_make "$MAKE"
109 ac_cv_path_MAKE=$MAKE
111 emacs_tried_make=false
112 emacs_tried_gmake=false
113 emacs_tried_gnumake=false
114 AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
115 [[emacs_check_gnu_make "$ac_path_MAKE"
116 if $ac_path_MAKE_found; then
117 # Use the fully-qualified program name only if the basename
118 # would not resolve to it.
119 if eval \$emacs_tried_$ac_prog; then
120 ac_cv_path_MAKE=$ac_path_MAKE
122 ac_cv_path_MAKE=$ac_prog
125 eval emacs_tried_$ac_prog=:]])
127 $ac_path_MAKE_found || {
128 AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
129 If you have it installed under another name, configure with 'MAKE=...'.
130 For example, run '$0 MAKE=gnu-make'.]])
132 MAKE=$ac_cv_path_MAKE
135 dnl Fairly arbitrary, older versions might work too.
136 AM_INIT_AUTOMAKE(1.11)
138 dnl Canonicalize the configuration name.
144 if test -z "$host_alias"; then
146 # No --host argument was given to 'configure'; therefore $host
147 # was set to a default value based on the build platform. But
148 # this default value may be wrong if we are building from a
149 # 64-bit MSYS[2] pre-configured to build 32-bit MinGW programs.
150 # Therefore, we'll try to get the right host platform from the
153 AC_MSG_CHECKING([the compiler's target])
154 if test -z "$CC"; then
159 cc_target=`$cc -v 2>&1 | sed -n 's/Target: //p'`
163 "") AC_MSG_ERROR([Impossible to obtain $cc compiler target.
164 Please explicitly provide --host.])
166 *) AC_MSG_WARN([Compiler reported non-standard target.
167 Defaulting to $host.])
170 AC_MSG_RESULT([$host])
173 . $srcdir/nt/mingw-cfg.site
177 # srcdir is an absolute path. In this case, force the format
178 # "/c/foo/bar", to simplify later conversions to native Windows
179 # format ("c:/foo/bar").
180 srcdir=`cd "${srcdir}" && pwd -W`
181 # 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612).
182 eval 'srcdir="/${srcdir:0:1}${srcdir:2}"'
188 configuration=${host_alias-${build_alias-$host}}
190 dnl Support for --program-prefix, --program-suffix and
191 dnl --program-transform-name options
194 dnl It is important that variables on the RHS not be expanded here,
195 dnl hence the single quotes. This is per the GNU coding standards, see
196 dnl (autoconf) Installation Directory Variables
197 dnl See also epaths.h below.
198 lispdir='${datadir}/emacs/${version}/lisp'
199 standardlisppath='${lispdir}'
200 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
201 '${datadir}/emacs/site-lisp'
202 lisppath='${locallisppath}:${standardlisppath}'
203 etcdir='${datadir}/emacs/${version}/etc'
204 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
205 etcdocdir='${datadir}/emacs/${version}/etc'
206 gamedir='${localstatedir}/games/emacs'
208 dnl Special option to disable the most of other options.
210 [AS_HELP_STRING([--without-all],
211 [omit almost all features and build
212 small executable with minimal dependencies])],
213 [with_features=$withval],
216 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
217 dnl Create a new --with option that defaults to being disabled.
218 dnl NAME is the base name of the option. The shell variable with_NAME
219 dnl will be set to either the user's value (if the option is
220 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
221 dnl option is not specified). Note that the shell variable name is
222 dnl constructed as autoconf does, by replacing non-alphanumeric
223 dnl characters with "_".
224 dnl HELP-STRING is the help text for the option.
225 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
226 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
227 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
230 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
231 dnl Create a new --with option that defaults to $with_features.
232 dnl NAME is the base name of the option. The shell variable with_NAME
233 dnl will be set either to 'no' (for a plain --without-NAME) or to
234 dnl 'yes' (if the option is not specified). Note that the shell
235 dnl variable name is constructed as autoconf does, by replacing
236 dnl non-alphanumeric characters with "_".
237 dnl HELP-STRING is the help text for the option.
238 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
239 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
240 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
243 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
244 if test "$with_pop" = yes; then
245 AC_DEFINE(MAIL_USE_POP)
247 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
249 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
250 if test "$with_kerberos" != no; then
253 AH_TEMPLATE(KERBEROS,
254 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
256 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
257 if test "${with_kerberos5}" != no; then
258 if test "${with_kerberos}" = no; then
262 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
265 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
266 dnl FIXME hesiod support may not be present, so it seems like an error
267 dnl to define, or at least use, this unconditionally.
268 if test "$with_hesiod" != no; then
269 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
272 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
273 if test "$with_mmdf" != no; then
274 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
277 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
278 if test "$with_mail_unlink" != no; then
279 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
282 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
283 [string giving default POP mail host])],
284 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
286 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
287 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
288 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
289 [ case "${withval}" in
290 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
291 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
292 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
297 [with_sound=$with_features])
299 dnl FIXME currently it is not the last.
300 dnl This should be the last --with option, because --with-x is
301 dnl added later on when we find the file name of X, and it's best to
302 dnl keep them together visually.
303 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
304 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
305 [ case "${withval}" in
306 y | ye | yes ) val=gtk ;;
308 l | lu | luc | luci | lucid ) val=lucid ;;
309 a | at | ath | athe | athen | athena ) val=athena ;;
310 m | mo | mot | moti | motif ) val=motif ;;
311 g | gt | gtk ) val=gtk ;;
315 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
316 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
317 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
318 `athena' and `lucid' are synonyms.])
324 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
325 if test "$with_wide_int" = yes; then
326 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
329 dnl _ON results in a '--without' option in the --help output, so
330 dnl the help text should refer to "don't compile", etc.
331 with_xpm_set=${with_xpm+set}
332 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
333 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
334 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
335 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
336 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
337 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
338 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
339 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
341 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
342 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
343 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
345 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
346 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
347 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
348 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
349 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
351 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
352 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
353 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
354 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
355 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
356 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
357 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
359 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
360 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
361 [ case "${withval}" in
362 y | ye | yes ) val=yes ;;
364 g | gf | gfi | gfil | gfile ) val=gfile ;;
365 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
366 w | w3 | w32 ) val=w32 ;;
367 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
368 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
369 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
370 otherwise for the first of `gfile' or `inotify' that is usable.])
373 with_file_notification=$val
375 [with_file_notification=$with_features])
377 OPTION_DEFAULT_OFF([xwidgets],[enable use of some gtk widgets it Emacs buffers])
379 ## For the times when you want to build Emacs but don't have
380 ## a suitable makeinfo, and can live without the manuals.
381 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
382 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
384 ## This might be a 'configure' arg.
385 AC_SUBST([ACLOCAL_PATH])
387 ## Makefile.in needs the cache file name.
390 ## This is an option because I do not know if all info/man support
391 ## compressed files, nor how to test if they do so.
392 OPTION_DEFAULT_ON([compress-install],
393 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
394 make GZIP_PROG= install])
396 AC_ARG_WITH(gameuser,dnl
397 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
398 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
399 && gameuser="${with_gameuser}"
400 test "X$gameuser" = X && gameuser=games
402 AC_ARG_WITH([gnustep-conf],dnl
403 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
404 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
405 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
406 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
407 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
408 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
410 AC_ARG_ENABLE(ns-self-contained,
411 [AS_HELP_STRING([--disable-ns-self-contained],
412 [disable self contained build under NeXTstep])],
413 EN_NS_SELF_CONTAINED=$enableval,
414 EN_NS_SELF_CONTAINED=yes)
416 AC_ARG_ENABLE(locallisppath,
417 [AS_HELP_STRING([--enable-locallisppath=PATH],
418 [directories Emacs should search for lisp files specific
420 if test "${enableval}" = "no"; then
422 elif test "${enableval}" != "yes"; then
423 locallisppath=${enableval}
426 AC_ARG_ENABLE(checking,
427 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
428 [enable expensive run-time checks. With LIST,
429 enable only specific categories of checks.
430 Categories are: all,yes,no.
431 Flags are: stringbytes, stringoverrun, stringfreelist,
432 xmallocoverrun, conslist, glyphs])],
433 [ac_checking_flags="${enableval}"],[])
434 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
435 for check in $ac_checking_flags
438 # these set all the flags to specific states
439 yes) ac_enable_checking=1 ;;
440 no) ac_enable_checking= ;
441 ac_gc_check_stringbytes= ;
442 ac_gc_check_string_overrun= ;
443 ac_gc_check_string_free_list= ;
444 ac_xmalloc_overrun= ;
445 ac_gc_check_cons_list= ;
447 all) ac_enable_checking=1 ;
448 ac_gc_check_stringbytes=1 ;
449 ac_gc_check_string_overrun=1 ;
450 ac_gc_check_string_free_list=1 ;
451 ac_xmalloc_overrun=1 ;
452 ac_gc_check_cons_list=1 ;
454 # these enable particular checks
455 stringbytes) ac_gc_check_stringbytes=1 ;;
456 stringoverrun) ac_gc_check_string_overrun=1 ;;
457 stringfreelist) ac_gc_check_string_free_list=1 ;;
458 xmallocoverrun) ac_xmalloc_overrun=1 ;;
459 conslist) ac_gc_check_cons_list=1 ;;
460 glyphs) ac_glyphs_debug=1 ;;
461 *) AC_MSG_ERROR(unknown check category $check) ;;
466 if test x$ac_enable_checking != x ; then
467 AC_DEFINE(ENABLE_CHECKING, 1,
468 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
470 if test x$ac_gc_check_stringbytes != x ; then
471 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
472 [Define this temporarily to hunt a bug. If defined, the size of
473 strings is redundantly recorded in sdata structures so that it can
474 be compared to the sizes recorded in Lisp strings.])
476 if test x$ac_gc_check_string_overrun != x ; then
477 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
478 [Define this to check for short string overrun.])
480 if test x$ac_gc_check_string_free_list != x ; then
481 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
482 [Define this to check the string free list.])
484 if test x$ac_xmalloc_overrun != x ; then
485 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
486 [Define this to check for malloc buffer overrun.])
488 if test x$ac_gc_check_cons_list != x ; then
489 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
490 [Define this to check for errors in cons list.])
492 if test x$ac_glyphs_debug != x ; then
493 AC_DEFINE(GLYPH_DEBUG, 1,
494 [Define this to enable glyphs debugging code.])
497 AC_ARG_ENABLE(check-lisp-object-type,
498 [AS_HELP_STRING([--enable-check-lisp-object-type],
499 [enable compile time checks for the Lisp_Object data type.
500 This is useful for development for catching certain types of bugs.])],
501 if test "${enableval}" != "no"; then
502 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
503 [Define this to enable compile time checks for the Lisp_Object data type.])
507 dnl The name of this option is unfortunate. It predates, and has no
508 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
509 dnl Actually, it stops it working.
510 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
511 AC_ARG_ENABLE(profiling,
512 [AS_HELP_STRING([--enable-profiling],
513 [build emacs with low-level, gprof profiling support.
514 Mainly useful for debugging Emacs itself. May not work on
515 all platforms. Stops profiler.el working.])],
516 [ac_enable_profiling="${enableval}"],[])
517 if test x$ac_enable_profiling != x ; then
518 PROFILING_CFLAGS="-DPROFILING=1 -pg"
522 AC_SUBST(PROFILING_CFLAGS)
524 AC_ARG_ENABLE(autodepend,
525 [AS_HELP_STRING([--enable-autodepend],
526 [automatically generate dependencies to .h-files.
527 Requires gcc, enabled if found.])],
528 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
530 AC_ARG_ENABLE(gtk-deprecation-warnings,
531 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
532 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
533 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
535 dnl This used to use changequote, but, apart from `changequote is evil'
536 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
537 dnl the great gob of text. Thus it's not processed for possible expansion.
538 dnl Just make sure the brackets remain balanced.
540 dnl Since Emacs can't find matching pairs of quotes, boundaries are
541 dnl indicated by comments.
545 ### If you add support for a new configuration, add code to this
546 ### switch statement to recognize your configuration name and select
547 ### the appropriate opsys.
549 ### As far as handling version numbers on operating systems is
550 ### concerned, make sure things will fail in a fixable way. If
551 ### /etc/MACHINES doesn't say anything about version numbers, be
552 ### prepared to handle anything reasonably. If version numbers
553 ### matter, be sure /etc/MACHINES says something about it.
556 case "${canonical}" in
558 ## GNU/Linux and similar ports
573 ## FreeBSD kernel + glibc based userland
584 *-*-openbsd* | *-*-mirbsd* )
588 ## Apple Darwin / Mac OS X
590 case "${canonical}" in
591 *-apple-darwin[0-9].*) unported=yes ;;
592 i[3456]86-* | x86_64-* ) ;;
596 ## Use fink packages if available.
597 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
598 ## if test -d /sw/include && test -d /sw/lib; then
599 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
600 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
609 ## HP 9000 series 700 and 800, running HP/UX
613 hppa*-hp-hpux1[1-9]* )
615 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
619 rs6000-ibm-aix4.[23]* )
622 powerpc-ibm-aix4.[23]* )
625 rs6000-ibm-aix[56]* )
628 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
632 ## Silicon Graphics machines
636 # Without defining _LANGUAGE_C, things get masked out in the headers
637 # so that, for instance, grepping for `free' in stdlib.h fails and
638 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
639 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
644 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
645 | x86_64-*-solaris2* | x86_64-*-sunos5*)
646 case "${canonical}" in
648 amd64-*-*|x86_64-*-*) ;;
652 case "${canonical}" in
653 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
655 emacs_check_sunpro_c=yes
657 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
658 ## Note that Emacs 23.1's NEWS said the following would be dropped.
659 *-sunos5.6* | *-solaris2.6* )
663 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
664 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
666 emacs_check_sunpro_c=yes
669 ## Watch out for a compiler that we know will not work.
670 case "${canonical}" in
671 *-solaris* | *-sunos5* )
672 if [ "x$CC" = x/usr/ucb/cc ]; then
673 ## /usr/ucb/cc doesn't work;
674 ## we should find some other compiler that does work.
682 ## Intel 386 machines where we don't care about the manufacturer.
684 case "${canonical}" in
685 *-darwin* ) opsys=darwin ;;
688 # MinGW overrides and adds some system headers in nt/inc.
689 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
691 *-sysv4.2uw* ) opsys=unixware ;;
692 *-sysv5uw* ) opsys=unixware ;;
693 *-sysv5OpenUNIX* ) opsys=unixware ;;
694 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
700 case "${canonical}" in
703 # MinGW overrides and adds some system headers in nt/inc.
704 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
706 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
715 ### If the code above didn't choose an operating system, just choose
716 ### an operating system based on the configuration name. You really
717 ### only want to use this when you have no idea what the right
718 ### operating system is; if you know what operating systems a machine
719 ### runs, it's cleaner to make it explicit in the case statement
721 if test x"${opsys}" = x; then
722 case "${canonical}" in
723 *-gnu* ) opsys=gnu ;;
733 if test $unported = yes; then
734 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
735 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
736 Check `etc/MACHINES' for recognized configuration names.])
739 #### Choose a compiler.
741 dnl Don't bother to test for C89.
742 AC_DEFUN([_AC_PROG_CC_C89], [$2])
744 dnl Sets GCC=yes if using gcc.
745 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
746 if test -n "$XCRUN"; then
747 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
748 test -n "$AR" && export AR
751 dnl Emacs needs C99 or later.
756 if test x$GCC = xyes; then
757 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
759 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
762 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
763 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
764 dnl that clash with MinGW.
765 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
767 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
768 AC_DEFUN([gl_CRYPTO_CHECK])
769 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
770 # as we don't use them.
771 AC_DEFUN([gl_FCNTL_O_FLAGS])
773 # Initialize gnulib right after choosing the compiler.
774 dnl Amongst other things, this sets AR and ARFLAGS.
777 if test "$ac_test_CFLAGS" != set; then
778 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
779 # if -g3 works and the user does not specify CFLAGS.
780 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
783 emacs_g3_CFLAGS='-g3';;
785 emacs_g3_CFLAGS='-g3 -O2';;
789 if test -n "$emacs_g3_CFLAGS"; then
790 emacs_save_CFLAGS=$CFLAGS
791 CFLAGS=$emacs_g3_CFLAGS
792 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
793 [emacs_cv_prog_cc_g3],
794 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
795 [emacs_cv_prog_cc_g3=yes],
796 [emacs_cv_prog_cc_g3=no])])
797 if test $emacs_cv_prog_cc_g3 != yes; then
798 CFLAGS=$emacs_save_CFLAGS
800 if test $opsys = mingw32; then
801 CFLAGS="$CFLAGS -gdwarf-2"
808 # No optimization flag was inferred for this non-GCC compiler.
809 # Try -O. This is needed for xlc on AIX; see Bug#14258.
810 emacs_save_CFLAGS=$CFLAGS
811 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
813 AC_CACHE_CHECK([whether $CC accepts -O],
814 [emacs_cv_prog_cc_o],
815 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
816 [emacs_cv_prog_cc_o=yes],
817 [emacs_cv_prog_cc_o=no])])
818 if test $emacs_cv_prog_cc_o != yes; then
819 CFLAGS=$emacs_save_CFLAGS
824 AC_ARG_ENABLE([gcc-warnings],
825 [AS_HELP_STRING([--enable-gcc-warnings],
826 [turn on lots of GCC warnings/errors. This is intended for
827 developers, and may generate false alarms when used
828 with older or non-GNU development tools.])],
831 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
833 gl_gcc_warnings=$enableval],
837 # clang is unduly picky about some things.
838 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
845 [emacs_cv_clang=yes],
846 [emacs_cv_clang=no])])
848 # When compiling with GCC, prefer -isystem to -I when including system
849 # include files, to avoid generating useless diagnostics for the files.
850 if test "$gl_gcc_warnings" != yes; then
852 if test "$emacs_cv_clang" = yes
854 # Turn off some warnings if supported.
855 gl_WARN_ADD([-Wno-switch])
856 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
857 gl_WARN_ADD([-Wno-pointer-sign])
858 gl_WARN_ADD([-Wno-string-plus-int])
863 # This, $nw, is the list of warnings we disable.
866 case $with_x_toolkit in
867 lucid | athena | motif)
868 # Old toolkits mishandle 'const'.
869 nw="$nw -Wwrite-strings"
872 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
875 AC_SUBST([WERROR_CFLAGS])
877 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
878 nw="$nw -Woverlength-strings" # Not a problem these days
879 nw="$nw -Wformat-nonliteral" # we do this a lot
880 nw="$nw -Wvla" # Emacs uses <vla.h>.
881 nw="$nw -Wswitch-default" # Too many warnings for now
882 nw="$nw -Winline" # OK to ignore 'inline'
883 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
884 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
885 # signed overflow has undefined behavior
886 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
887 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
888 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
890 # Emacs doesn't care about shadowing; see
891 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
894 # Emacs's use of alloca inhibits protecting the stack.
895 nw="$nw -Wstack-protector"
897 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
898 # option problematic.
899 nw="$nw -Wsuggest-attribute=pure"
901 # This part is merely for shortening the command line,
902 # since -Wno-FOO needs to be added below regardless.
903 nw="$nw -Wmissing-field-initializers"
905 nw="$nw -Wtype-limits"
906 nw="$nw -Wunused-parameter"
908 if test $emacs_cv_clang = yes; then
909 nw="$nw -Wcast-align"
912 gl_MANYWARN_ALL_GCC([ws])
913 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
917 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
918 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
919 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
920 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
921 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
922 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
923 gl_WARN_ADD([-Wno-format-nonliteral])
925 # More things that clang is unduly picky about.
926 if test $emacs_cv_clang = yes; then
927 gl_WARN_ADD([-Wno-format-extra-args])
928 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
929 gl_WARN_ADD([-Wno-unused-command-line-argument])
930 gl_WARN_ADD([-Wno-unused-value])
933 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
934 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
935 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
936 [/* Enable compile-time and run-time bounds-checking, and some warnings,
937 without upsetting glibc 2.15+. */
938 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
939 && defined __OPTIMIZE__ && __OPTIMIZE__)
940 # define _FORTIFY_SOURCE 2
944 # We use a slightly smaller set of warning options for lib/.
945 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
947 nw="$nw -Wunused-macros"
949 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
950 AC_SUBST([GNULIB_WARN_CFLAGS])
960 AC_ARG_ENABLE(link-time-optimization,
961 [AS_HELP_STRING([--enable-link-time-optimization],
962 [build emacs with link-time optimization.
963 This requires GCC 4.5.0 or later, or clang.
964 (Note that clang support is experimental - see INSTALL.)
965 It also makes Emacs harder to debug, and when we tried it
966 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
967 recommended for typical use.])],
968 if test "${enableval}" != "no"; then
970 if test $emacs_cv_clang = yes; then
971 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
972 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
973 if test -x "$GOLD_PLUGIN"; then
976 elif test x$GCC = xyes; then
977 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
978 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
979 if test x$CPUS != x; then
985 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
987 if test -z "$LTO"; then
991 CFLAGS="$CFLAGS $LTO"
992 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
993 [ac_lto_supported=yes], [ac_lto_supported=no])
996 AC_MSG_RESULT([$ac_lto_supported])
997 if test "$ac_lto_supported" = "yes"; then
998 CFLAGS="$CFLAGS $LTO"
999 if test x$emacs_cv_clang = xyes; then
1000 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1001 # WARNING: 'ar --plugin ...' doesn't work without
1002 # command, so plugin name is appended to ARFLAGS.
1003 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1004 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1006 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1007 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1008 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1009 dnl dump core on Fedora 20, so play it safe for now.
1010 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1011 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1016 dnl Prefer silent make output. For verbose output, use
1017 dnl 'configure --disable-silent-rules' or 'make V=1' .
1018 AM_SILENT_RULES([yes])
1019 dnl Port to Automake 1.11.
1020 dnl This section can be removed once we assume Automake 1.14 or later.
1021 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1022 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1024 AM_SUBST_NOTMAKE([AM_V])
1025 AC_SUBST([AM_DEFAULT_V])
1026 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1027 AC_SUBST([AM_DEFAULT_VERBOSITY])
1029 dnl Some other nice autoconf tests.
1030 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1033 dnl if test "x$RANLIB" = x; then
1038 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1039 dnl can be made to directories. This is not relevant for our usage, and
1040 dnl excludes some cases that work fine for us. Eg MS Windows or files
1041 dnl hosted on AFS, both examples where simple links work, but links to
1042 dnl directories fail. We use a cut-down version instead.
1045 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1046 rm -f conf$$ conf$$.file
1048 LN_S_FILEONLY='cp -p'
1050 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1051 dnl random program in the current directory.
1052 if (echo >conf$$.file) 2>/dev/null; then
1053 if ln -s conf$$.file conf$$ 2>/dev/null; then
1054 if test "$opsys" = "mingw32"; then
1055 LN_S_FILEONLY='/bin/ln -s'
1057 LN_S_FILEONLY='ln -s'
1059 elif ln conf$$.file conf$$ 2>/dev/null; then
1060 if test "$opsys" = "mingw32"; then
1061 LN_S_FILEONLY=/bin/ln
1068 rm -f conf$$ conf$$.file
1070 if test "$LN_S_FILEONLY" = "ln -s"; then
1071 AC_MSG_RESULT([yes])
1073 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1076 AC_SUBST(LN_S_FILEONLY)
1079 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1080 dnl doesn't support links to directories, as in "ln file dir". But that
1081 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1082 dnl executables at "make install" time.
1083 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1084 dnl for more details.
1085 if test "$opsys" = "mingw32"; then
1089 dnl On some Debian versions, "install-info" prints irritating messages
1090 dnl "This is not dpkg install-info anymore, but GNU install-info"
1091 dnl if called via an absolute file name.
1092 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1093 dnl Sadly some people may have an old ginstall-info installed on
1094 dnl non-Debian systems, so we can't use this.
1095 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1096 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1098 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1099 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1100 dnl Don't use GZIP, which is used by gzip for additional parameters.
1101 AC_PATH_PROG(GZIP_PROG, gzip)
1103 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1104 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1106 if test $opsys = gnu-linux; then
1107 AC_PATH_PROG(PAXCTL, paxctl,,
1108 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1109 if test "X$PAXCTL" != X; then
1110 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1111 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1112 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1113 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1116 if test "${SETFATTR+set}" != set; then
1117 AC_CACHE_CHECK([for setfattr],
1118 [emacs_cv_prog_setfattr],
1120 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1121 emacs_cv_prog_setfattr=yes
1123 emacs_cv_prog_setfattr=no
1125 if test "$emacs_cv_prog_setfattr" = yes; then
1131 AC_SUBST([SETFATTR])
1135 ## Need makeinfo >= 4.7 (?) to build the manuals.
1136 if test "$MAKEINFO" != "no"; then
1137 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1140 case `($MAKEINFO --version) 2>/dev/null` in
1141 *' (GNU texinfo) '4.[[7-9]]* | \
1142 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1143 *' (GNU texinfo) '[[5-9]]* | \
1144 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1149 ## Makeinfo is unusual. For a released Emacs, the manuals are
1150 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1151 ## therefore in the category of "special tools" not normally required, which
1152 ## configure does not have to check for (eg autoconf itself).
1153 ## In a repository checkout on the other hand, the manuals are not included.
1154 ## So makeinfo is a requirement to build from the repository, and configure
1155 ## should test for it as it does for any other build requirement.
1156 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1157 ## with pre-built manuals, from a repository checkout.
1160 if test "$MAKEINFO" = "no"; then
1162 if test "x${with_makeinfo}" = "xno"; then
1164 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1165 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1166 source tree does not seem to have pre-built manuals in the `info' directory.
1167 Either install a suitable version of makeinfo, or re-run configure
1168 with the `--without-makeinfo' option to build without the manuals.] )
1171 AC_SUBST(HAVE_MAKEINFO)
1173 if test $opsys = mingw32; then
1174 DOCMISC_W32=efaq-w32
1178 AC_SUBST(DOCMISC_W32)
1180 dnl Add our options to ac_link now, after it is set up.
1182 if test x$GCC = xyes; then
1183 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1184 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1186 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1187 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1190 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1191 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1192 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1193 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1194 dnl if not built to support GNU ld.
1196 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1197 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1198 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1199 dnl Eg "make LDFLAGS=... all" could run into problems,
1200 dnl http://bugs.debian.org/684788
1201 dnl * unnecessary, since temacs is the only thing that actually needs it.
1202 dnl Indeed this is where it was originally, prior to:
1203 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1204 late_LDFLAGS="$LDFLAGS"
1205 if test x$GCC = xyes; then
1206 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1208 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1211 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1213 AC_MSG_CHECKING([for -znocombreloc])
1214 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1215 [AC_MSG_RESULT(yes)],
1216 LDFLAGS_NOCOMBRELOC=
1217 [AC_MSG_RESULT(no)])
1219 LDFLAGS="$late_LDFLAGS"
1221 AC_CACHE_CHECK([whether addresses are sanitized],
1222 [emacs_cv_sanitize_address],
1225 [[#ifndef __has_feature
1226 #define __has_feature(f) 0
1228 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1230 error "Addresses are not sanitized.";
1233 [emacs_cv_sanitize_address=yes],
1234 [emacs_cv_sanitize_address=no])])
1236 dnl The function dump-emacs will not be defined and temacs will do
1237 dnl (load "loadup") automatically unless told otherwise.
1238 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1240 your-opsys-here) CANNOT_DUMP=yes ;;
1243 if test "$CANNOT_DUMP" = "yes"; then
1244 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1245 elif test "$emacs_cv_sanitize_address" = yes; then
1246 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1249 AC_SUBST(CANNOT_DUMP)
1252 UNEXEC_OBJ=unexelf.o
1254 # MSDOS uses unexcoff.o
1256 UNEXEC_OBJ=unexaix.o
1262 UNEXEC_OBJ=unexmacosx.o
1265 UNEXEC_OBJ=unexhp9k800.o
1268 UNEXEC_OBJ=unexw32.o
1271 # Use the Solaris dldump() function, called from unexsol.c, to dump
1272 # emacs, instead of the generic ELF dump code found in unexelf.c.
1273 # The resulting binary has a complete symbol table, and is better
1274 # for debugging and other observability tools (debuggers, pstack, etc).
1276 # If you encounter a problem using dldump(), please consider sending
1277 # a message to the OpenSolaris tools-linking mailing list:
1278 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1280 # It is likely that dldump() works with older Solaris too, but this has
1281 # not been tested, so for now this change is for Solaris 10 or newer.
1282 UNEXEC_OBJ=unexsol.o
1289 ## Let `ld' find image libs and similar things in /usr/local/lib.
1290 ## The system compiler, GCC, has apparently been modified to not
1291 ## look there, contrary to what a stock GCC would do.
1292 ### It's not our place to do this. See bug#10313#17.
1293 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1298 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1299 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1303 ### It's not our place to do this. See bug#10313#17.
1304 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1309 ## Han Boetes <han@boetes.org> says this is necessary,
1310 ## otherwise Emacs dumps core on elf systems.
1311 LD_SWITCH_SYSTEM="-Z"
1314 AC_SUBST(LD_SWITCH_SYSTEM)
1316 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1318 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1319 ## which has not been defined yet. When this was handled with cpp,
1320 ## it was expanded to null when configure sourced the s/*.h file.
1321 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1322 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1323 ## (or somesuch), but because it is supposed to go at the _front_
1324 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1325 ## Compare with the gnu-linux case below, which added to the end
1326 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1327 ## LD_SWITCH_SYSTEM_TEMACS.
1330 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1337 AC_CHECK_DECL([__ELF__])
1338 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1339 ## With ELF, make sure that all common symbols get allocated to in the
1340 ## data section. Otherwise, the dump of temacs may miss variables in
1341 ## the shared library that have been initialized. For example, with
1342 ## GNU libc, __malloc_initialized would normally be resolved to the
1343 ## shared library's .bss section, which is fatal.
1344 if test "x$GCC" = "xyes"; then
1345 C_SWITCH_MACHINE="-fno-common"
1347 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1350 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1351 dnl albeit under the mistaken assumption that said file
1352 dnl was no longer used.
1353 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1357 AC_SUBST(C_SWITCH_MACHINE)
1359 AC_SUBST(UNEXEC_OBJ)
1362 ## Some programs in src produce warnings saying certain subprograms
1363 ## are too complex and need a MAXMEM value greater than 2000 for
1364 ## additional optimization. --nils@exp-math.uni-essen.de
1365 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1366 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1367 if test "$opsys" = "mingw32"; then
1368 case "$canonical" in
1369 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1370 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1373 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1374 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1375 AC_SUBST(C_SWITCH_SYSTEM)
1380 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1381 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1383 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1385 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1387 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1389 ## Motif needs -lgen.
1390 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1393 AC_SUBST(LIBS_SYSTEM)
1395 ### Make sure subsequent tests use flags consistent with the build flags.
1397 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1398 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1400 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1403 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1404 AC_DEFUN([AC_TYPE_SIZE_T])
1405 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1406 AC_DEFUN([AC_TYPE_UID_T])
1408 # sqrt and other floating-point functions such as fmod and frexp
1409 # are found in -lm on many systems.
1411 AC_SEARCH_LIBS([sqrt], [m])
1412 if test "X$LIBS" = "X$OLD_LIBS"; then
1415 LIB_MATH=$ac_cv_search_sqrt
1419 dnl Current possibilities handled by sed (aix4-2 -> aix,
1420 dnl gnu-linux -> gnu/linux, etc.):
1421 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1422 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1423 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1430 ## Adding -lm confuses the dynamic linker, so omit it.
1433 freebsd | dragonfly )
1434 SYSTEM_TYPE=berkeley-unix
1436 gnu-linux | gnu-kfreebsd )
1438 hpux10-20 | hpux11 )
1442 SYSTEM_TYPE=windows-nt
1444 dnl NB this may be adjusted below.
1446 SYSTEM_TYPE=berkeley-unix
1450 SYSTEM_TYPE=usg-unix-v
1456 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1457 [The type of system you are compiling for; sets `system-type'.])
1460 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1461 pre_PKG_CONFIG_LIBS=$LIBS
1463 PKG_PROG_PKG_CONFIG(0.9.0)
1465 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1466 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1467 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1468 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1469 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1470 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1472 AC_DEFUN([EMACS_CHECK_MODULES],
1473 [PKG_CHECK_MODULES([$1], [$2],
1474 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1475 m4_default([$3], [HAVE_$1=yes])],
1476 [m4_default([$4], [HAVE_$1=no])])])
1479 if test "${with_sound}" != "no"; then
1480 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1481 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1482 have_sound_header=yes, [], [
1484 #define WIN32_LEAN_AND_MEAN
1485 #include <windows.h>
1488 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1489 AC_MSG_ERROR([OSS sound support requested but not found.])
1491 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1492 # Emulation library used on NetBSD.
1493 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1494 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1495 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1496 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1497 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1501 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1503 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1504 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1505 if test $HAVE_ALSA = yes; then
1506 SAVE_CFLAGS="$CFLAGS"
1508 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1509 LIBS="$ALSA_LIBS $LIBS"
1510 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1511 emacs_alsa_normal=yes,
1512 emacs_alsa_normal=no)
1513 if test "$emacs_alsa_normal" != yes; then
1514 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1515 [[snd_lib_error_set_handler (0);]])],
1516 emacs_alsa_subdir=yes,
1517 emacs_alsa_subdir=no)
1518 if test "$emacs_alsa_subdir" != yes; then
1519 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1521 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1524 CFLAGS="$SAVE_CFLAGS"
1526 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1527 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1528 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1529 elif test "${with_sound}" = "alsa"; then
1530 AC_MSG_ERROR([ALSA sound support requested but not found.])
1532 fi dnl with_sound = alsa|yes
1534 dnl Define HAVE_SOUND if we have sound support. We know it works and
1535 dnl compiles only on the specified platforms. For others, it
1536 dnl probably doesn't make sense to try.
1537 dnl FIXME So surely we should bypass this whole section if not using
1538 dnl one of these platforms?
1539 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1541 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1542 dnl Adjust the --with-sound help text if you change this.
1543 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1544 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1550 AC_SUBST(CFLAGS_SOUND)
1553 dnl checks for header files
1554 AC_CHECK_HEADERS_ONCE(
1559 sys/utsname.h pwd.h utmp.h util.h)
1561 AC_MSG_CHECKING(if personality LINUX32 can be set)
1562 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1563 emacs_cv_personality_linux32=yes,
1564 emacs_cv_personality_linux32=no)
1565 AC_MSG_RESULT($emacs_cv_personality_linux32)
1567 if test $emacs_cv_personality_linux32 = yes; then
1568 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1569 [Define to 1 if personality LINUX32 can be set.])
1572 # Note that Solaris has sys/sysinfo.h which defines struct
1573 # sysinfo as well. To make sure that we're using GNU/Linux
1574 # sysinfo, we explicitly set one of its fields.
1575 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1576 AC_MSG_CHECKING([if Linux sysinfo may be used])
1577 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1578 [[struct sysinfo si;
1581 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1582 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1583 if test $emacs_cv_linux_sysinfo = yes; then
1584 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1585 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1586 [[struct sysinfo si; return si.mem_unit]])],
1587 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1588 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1592 dnl On Solaris 8 there's a compilation warning for term.h because
1593 dnl it doesn't define `bool'.
1594 AC_CHECK_HEADERS(term.h, , , -)
1596 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1598 if test $ac_cv_have_decl_sys_siglist != yes; then
1599 # For Tru64, at least:
1600 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1605 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1606 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1607 #if HAVE_SYS_SOCKET_H
1608 #include <sys/socket.h>
1610 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1611 #if HAVE_SYS_SOCKET_H
1612 #include <sys/socket.h>
1614 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1615 #if HAVE_SYS_SOCKET_H
1616 #include <sys/socket.h>
1619 dnl checks for structure members
1620 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1621 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1622 struct ifreq.ifr_addr,
1623 struct ifreq.ifr_addr.sa_len], , ,
1624 [AC_INCLUDES_DEFAULT
1625 #if HAVE_SYS_SOCKET_H
1626 #include <sys/socket.h>
1632 dnl Check for endianness.
1633 dnl AC_C_BIGENDIAN is done by gnulib.
1635 dnl check for Make feature
1640 dnl check if we have GCC and autodepend is on.
1641 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1642 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1643 SAVE_CFLAGS="$CFLAGS"
1644 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1645 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1646 CFLAGS="$SAVE_CFLAGS"
1647 test -f deps.d || ac_enable_autodepend=no
1649 AC_MSG_RESULT([$ac_enable_autodepend])
1650 if test $ac_enable_autodepend = yes; then
1651 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1652 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1653 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1654 deps_frag=autodeps.mk
1657 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1658 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1659 deps_frag=$srcdir/src/$deps_frag
1662 AC_SUBST_FILE(deps_frag)
1663 AC_SUBST_FILE(lwlib_deps_frag)
1664 AC_SUBST_FILE(oldxmenu_deps_frag)
1666 lisp_frag=$srcdir/src/lisp.mk
1667 AC_SUBST_FILE(lisp_frag)
1670 dnl checks for operating system services
1671 AC_SYS_LONG_FILE_NAMES
1673 #### Choose a window system.
1675 ## We leave window_system equal to none if
1676 ## we end up building without one. Any new window system should
1677 ## set window_system to an appropriate value and add objects to
1678 ## window-system-specific substs.
1682 if test "$no_x" != yes; then
1686 LD_SWITCH_X_SITE_RPATH=
1687 if test "${x_libraries}" != NONE; then
1688 if test -n "${x_libraries}"; then
1689 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1690 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1692 x_default_search_path=""
1693 x_search_path=${x_libraries}
1694 if test -z "${x_search_path}"; then
1695 x_search_path=/usr/lib
1697 for x_library in `echo ${x_search_path}: | \
1698 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1700 ${x_library}/X11/%L/%T/%N%C%S:\
1701 ${x_library}/X11/%l/%T/%N%C%S:\
1702 ${x_library}/X11/%T/%N%C%S:\
1703 ${x_library}/X11/%L/%T/%N%S:\
1704 ${x_library}/X11/%l/%T/%N%S:\
1705 ${x_library}/X11/%T/%N%S"
1706 if test x"${x_default_search_path}" = x; then
1707 x_default_search_path=${x_search_path}
1709 x_default_search_path="${x_search_path}:${x_default_search_path}"
1713 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1715 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1716 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1719 if test x"${x_includes}" = x; then
1720 bitmapdir=/usr/include/X11/bitmaps
1722 # accumulate include directories that have X11 bitmap subdirectories
1724 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1725 if test -d "${bmd}/X11/bitmaps"; then
1726 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1728 if test -d "${bmd}/bitmaps"; then
1729 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1732 if test ${bmd_acc} != "dummyval"; then
1733 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1740 tmp_CPPFLAGS="$CPPFLAGS"
1741 tmp_CFLAGS="$CFLAGS"
1742 CPPFLAGS="$CPPFLAGS -x objective-c"
1743 CFLAGS="$CFLAGS -x objective-c"
1746 if test "${with_ns}" != no; then
1747 if test "${opsys}" = darwin; then
1749 ns_appdir=`pwd`/nextstep/Emacs.app
1750 ns_appbindir=${ns_appdir}/Contents/MacOS
1751 ns_appresdir=${ns_appdir}/Contents/Resources
1752 ns_appsrc=Cocoa/Emacs.base
1753 ns_fontfile=macfont.o
1754 elif test -f $GNUSTEP_CONFIG_FILE; then
1756 ns_appdir=`pwd`/nextstep/Emacs.app
1757 ns_appbindir=${ns_appdir}
1758 ns_appresdir=${ns_appdir}/Resources
1759 ns_appsrc=GNUstep/Emacs.base
1760 ns_fontfile=nsfont.o
1761 dnl FIXME sourcing this several times in subshells seems inefficient.
1762 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1763 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1764 dnl I seemed to need these as well with GNUstep-startup 0.25.
1765 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1766 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1767 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1768 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1769 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1770 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1771 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1772 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1773 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1774 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1775 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1776 dnl If they had chosen to either define it or not, we could have
1777 dnl just used AC_CHECK_DECL here.
1778 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1779 emacs_cv_objc_exceptions,
1780 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1781 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1785 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1786 if test $emacs_cv_objc_exceptions = yes; then
1787 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1788 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1789 [Define if GNUstep uses ObjC exceptions.])
1790 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1794 dnl This is only used while we test the NS headers, it gets reset below.
1795 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1797 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1798 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1799 files are missing or cannot be compiled.])])
1802 if test "${NS_IMPL_COCOA}" = "yes"; then
1803 AC_MSG_CHECKING([for OSX 10.6 or newer])
1804 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1806 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1807 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1810 error "OSX 10.6 or newer required";
1814 ns_osx_have_106=yes,
1816 AC_MSG_RESULT([$ns_osx_have_106])
1818 if test $ns_osx_have_106 = no; then
1819 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1824 AC_SUBST(LIBS_GNUSTEP)
1826 INSTALL_ARCH_INDEP_EXTRA=install-etc
1827 ns_self_contained=no
1830 if test "${HAVE_NS}" = yes; then
1831 if test "$with_toolkit_scroll_bars" = "no"; then
1832 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1835 window_system=nextstep
1836 # set up packaging dirs
1837 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1838 ns_self_contained=yes
1839 prefix=${ns_appresdir}
1840 exec_prefix=${ns_appbindir}
1841 dnl This one isn't really used, only archlibdir is.
1842 libexecdir="\${ns_appbindir}/libexec"
1843 archlibdir="\${ns_appbindir}/libexec"
1844 etcdocdir="\${ns_appresdir}/etc"
1845 etcdir="\${ns_appresdir}/etc"
1846 dnl FIXME maybe set datarootdir instead.
1847 dnl That would also get applications, icons, man.
1848 infodir="\${ns_appresdir}/info"
1849 mandir="\${ns_appresdir}/man"
1850 lispdir="\${ns_appresdir}/lisp"
1851 INSTALL_ARCH_INDEP_EXTRA=
1854 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1856 CFLAGS="$tmp_CFLAGS"
1857 CPPFLAGS="$tmp_CPPFLAGS"
1858 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1859 AC_SUBST(ns_self_contained)
1861 AC_SUBST(NS_OBJC_OBJ)
1872 if test "${with_w32}" != no; then
1875 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1876 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1877 cannot be found.])])
1880 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1883 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1888 if test "${opsys}" = "mingw32"; then
1889 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1890 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1891 #include <windows.h>
1892 #include <usp10.h>]],
1893 [[PIMAGE_NT_HEADERS pHeader;
1894 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1895 [emacs_cv_w32api=yes
1898 AC_MSG_RESULT($emacs_cv_w32api)
1899 if test "${emacs_cv_w32api}" = "no"; then
1900 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1911 if test "${HAVE_W32}" = "yes"; then
1912 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1913 AC_CHECK_TOOL(WINDRES, [windres],
1914 [AC_MSG_ERROR([No resource compiler found.])])
1915 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1916 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1917 EMACSRES="emacs.res"
1918 case "$canonical" in
1919 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1920 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1922 dnl Construct something of the form "24,4,0,0" with 4 components.
1923 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1925 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1926 AC_SUBST(comma_version)
1927 AC_SUBST(comma_space_version)
1928 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1929 if test "${opsys}" = "cygwin"; then
1930 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1931 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1932 # Tell the linker that emacs.res is an object (which we compile from
1933 # the rc file), not a linker script.
1934 W32_RES_LINK="-Wl,emacs.res"
1936 UPDATE_MANIFEST=update-game-score.exe.manifest
1937 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1938 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1939 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1940 W32_RES_LINK="\$(EMACSRES)"
1941 CLIENTRES="emacsclient.res"
1942 CLIENTW="emacsclientw\$(EXEEXT)"
1943 FIRSTFILE_OBJ=firstfile.o
1946 LIBS_ECLIENT="-lcomctl32"
1947 LIB_WSOCK32="-lwsock32"
1948 NTLIB="ntlib.$ac_objext"
1949 XARGS_LIMIT="-s 10000"
1955 AC_SUBST(EMACS_MANIFEST)
1956 AC_SUBST(UPDATE_MANIFEST)
1959 AC_SUBST(W32_RES_LINK)
1960 AC_SUBST(FIRSTFILE_OBJ)
1963 AC_SUBST(LIBS_ECLIENT)
1964 AC_SUBST(LIB_WSOCK32)
1966 AC_SUBST(XARGS_LIMIT)
1968 if test "${HAVE_W32}" = "yes"; then
1973 ## $window_system is now set to the window system we will
1976 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1977 # Too many warnings for now.
1979 nw="$nw -Wsuggest-attribute=const"
1980 nw="$nw -Wsuggest-attribute=noreturn"
1981 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1983 gl_WARN_ADD([-Wno-unused-variable])
1984 gl_WARN_ADD([-Wno-unused-but-set-variable])
1985 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1993 case "${window_system}" in
1998 case "${with_x_toolkit}" in
1999 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2000 motif ) USE_X_TOOLKIT=MOTIF ;;
2002 term_header=gtkutil.h
2003 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2004 dnl USE_X_TOOLKIT is set.
2005 USE_X_TOOLKIT=none ;;
2006 gtk2 ) with_gtk2=yes
2007 term_header=gtkutil.h
2008 USE_X_TOOLKIT=none ;;
2009 gtk3 ) with_gtk3=yes
2010 term_header=gtkutil.h
2011 USE_X_TOOLKIT=none ;;
2012 no ) USE_X_TOOLKIT=none ;;
2013 dnl If user did not say whether to use a toolkit, make this decision later:
2014 dnl use the toolkit if we have gtk, or X11R5 or newer.
2015 * ) USE_X_TOOLKIT=maybe ;;
2019 term_header=nsterm.h
2022 term_header=w32term.h
2026 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2027 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2028 if test "$HAVE_XSERVER" = true ||
2029 test -n "$DISPLAY" ||
2030 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2031 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2032 were found. You should install the relevant development files for X
2033 and for the toolkit you want, such as Gtk+ or Motif. Also make
2034 sure you have development files for image handling, i.e.
2035 tiff, gif, jpeg, png and xpm.
2036 If you are sure you want Emacs compiled without X window support, pass
2042 # Does the opsystem file prohibit the use of the GNU malloc?
2043 # Assume not, until told otherwise.
2047 [whether malloc is Doug Lea style],
2048 [emacs_cv_var_doug_lea_malloc],
2049 [emacs_cv_var_doug_lea_malloc=no
2050 dnl Hooks do not work with address sanitization.
2051 if test "$emacs_cv_sanitize_address" != yes; then
2054 [[#include <malloc.h>
2055 static void hook (void) {}]],
2056 [[malloc_set_state (malloc_get_state ());
2057 __after_morecore_hook = hook;
2058 __malloc_initialize_hook = hook;]])],
2059 [emacs_cv_var_doug_lea_malloc=yes])])
2061 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2063 system_malloc=$emacs_cv_sanitize_address
2068 ## darwin ld insists on the use of malloc routines in the System framework.
2069 darwin|mingw32|sol2-10) system_malloc=yes ;;
2070 cygwin) hybrid_malloc=yes;;
2074 if test "${system_malloc}" = "yes"; then
2075 AC_DEFINE([SYSTEM_MALLOC], 1,
2076 [Define to 1 to use the system memory allocator, even if it is not
2080 (The GNU allocators don't work with this system configuration.)"
2082 elif test "$hybrid_malloc" = yes; then
2083 AC_DEFINE(HYBRID_MALLOC, 1,
2084 [Define to use gmalloc before dumping and the system malloc after.])
2086 GNU_MALLOC_reason="only before dumping"
2087 GMALLOC_OBJ=gmalloc.o
2090 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2091 VMLIMIT_OBJ=vm-limit.o
2093 AC_CHECK_HEADERS([sys/vlimit.h])
2094 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2097 [[extern char data_start[]; char ch;]],
2098 [[return data_start < &ch;]])],
2099 [emacs_cv_data_start=yes],
2100 [emacs_cv_data_start=no])])
2101 if test $emacs_cv_data_start = yes; then
2102 AC_DEFINE([HAVE_DATA_START], 1,
2103 [Define to 1 if data_start is the address of the start
2104 of the main data segment.])
2107 AC_SUBST(GMALLOC_OBJ)
2108 AC_SUBST(VMLIMIT_OBJ)
2110 if test "$doug_lea_malloc" = "yes" ; then
2111 if test "$GNU_MALLOC" = yes ; then
2113 (Using Doug Lea's new malloc from the GNU C Library.)"
2115 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2116 [Define to 1 if the system memory allocator is Doug Lea style,
2117 with malloc hooks and malloc_set_state.])
2119 ## Use mmap directly for allocating larger buffers.
2120 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2121 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2122 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2124 mingw32|gnu*) REL_ALLOC=no ;;
2128 if test x"${REL_ALLOC}" = x; then
2129 REL_ALLOC=${GNU_MALLOC}
2132 use_mmap_for_buffers=no
2134 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2138 if test $use_mmap_for_buffers = yes; then
2139 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2143 LIBS="$LIBS_SYSTEM $LIBS"
2145 dnl FIXME replace main with a function we actually want from this library.
2146 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2148 dnl Check for the POSIX thread library.
2150 if test "$opsys" != "mingw32"; then
2151 AC_CHECK_HEADERS_ONCE(pthread.h)
2152 if test "$ac_cv_header_pthread_h"; then
2153 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2154 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2155 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2156 if test "$GMALLOC_OBJ" = gmalloc.o; then
2157 emacs_pthread_function=pthread_atfork
2159 emacs_pthread_function=pthread_kill
2162 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2163 [AC_DEFINE([HAVE_PTHREAD], [1],
2164 [Define to 1 if you have pthread (-lpthread).])
2165 # Some systems optimize for single-threaded programs by default, and
2166 # need special flags to disable these optimizations. For example, the
2167 # definition of 'errno' in <errno.h>.
2170 AC_DEFINE([_REENTRANT], 1,
2171 [Define to 1 if your system requires this in multithreaded code.]);;
2173 AC_DEFINE([_THREAD_SAFE], 1,
2174 [Define to 1 if your system requires this in multithreaded code.]);;
2176 if test "X$LIBS" != "X$OLD_LIBS"; then
2177 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2181 AC_SUBST([LIB_PTHREAD])
2184 dnl Check for need for bigtoc support on IBM AIX
2188 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2190 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2191 *) gdb_cv_bigtoc=-bbigtoc ;;
2194 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2195 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2200 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2201 # is for the tests that follow. We set them back later on.
2203 REAL_CFLAGS="$CFLAGS"
2204 REAL_CPPFLAGS="$CPPFLAGS"
2207 if test "${HAVE_X11}" = "yes"; then
2208 DEFS="$C_SWITCH_X_SITE $DEFS"
2209 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2211 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2212 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2214 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2215 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2216 # but it's more convenient here to set LD_RUN_PATH since this
2217 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2218 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2219 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2223 if test "${opsys}" = "gnu-linux"; then
2224 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2225 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2226 [[XOpenDisplay ("foo");]])],
2227 [xgnu_linux_first_failure=no],
2228 [xgnu_linux_first_failure=yes])
2229 if test "${xgnu_linux_first_failure}" = "yes"; then
2230 OLD_CPPFLAGS="$CPPFLAGS"
2232 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2233 LIBS="$LIBS -b i486-linuxaout"
2234 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2235 [[XOpenDisplay ("foo");]])],
2236 [xgnu_linux_second_failure=no],
2237 [xgnu_linux_second_failure=yes])
2238 if test "${xgnu_linux_second_failure}" = "yes"; then
2239 # If we get the same failure with -b, there is no use adding -b.
2240 # So leave it out. This plays safe.
2243 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2244 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2247 CPPFLAGS=$OLD_CPPFLAGS
2254 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2255 # header files included from there.
2256 AC_MSG_CHECKING(for Xkb)
2257 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2258 #include <X11/XKBlib.h>]],
2259 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2260 emacs_xkb=yes, emacs_xkb=no)
2261 AC_MSG_RESULT($emacs_xkb)
2262 if test $emacs_xkb = yes; then
2263 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2266 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2267 XScreenNumberOfScreen)
2270 if test "${window_system}" = "x11"; then
2271 AC_MSG_CHECKING(X11 version 6)
2272 AC_CACHE_VAL(emacs_cv_x11_version_6,
2273 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2274 [[#if XlibSpecificationRelease < 6
2277 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2278 if test $emacs_cv_x11_version_6 = yes; then
2279 AC_MSG_RESULT(6 or newer)
2280 AC_DEFINE(HAVE_X11R6, 1,
2281 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2282 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2283 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2287 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2288 [Define if you have usable X11R6-style XIM support.])
2292 AC_MSG_RESULT(before 6)
2297 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2299 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2300 if test "${with_rsvg}" != "no"; then
2301 RSVG_REQUIRED=2.11.0
2302 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2304 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2305 AC_SUBST(RSVG_CFLAGS)
2308 if test $HAVE_RSVG = yes; then
2309 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2310 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2311 # Windows loads librsvg dynamically
2312 if test "${opsys}" = "mingw32"; then
2320 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2321 if test "${with_imagemagick}" != "no"; then
2322 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2323 ## 6.8.2 makes Emacs crash; see Bug#13867.
2324 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2325 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2326 AC_SUBST(IMAGEMAGICK_CFLAGS)
2327 AC_SUBST(IMAGEMAGICK_LIBS)
2329 if test $HAVE_IMAGEMAGICK = yes; then
2330 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2333 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2334 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2335 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2345 gtk_term_header=$term_header
2348 if test "${opsys}" != "mingw32"; then
2349 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2352 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2354 dnl Checks for libraries.
2355 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2356 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2357 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2358 AC_MSG_ERROR($GTK_PKG_ERRORS)
2360 if test "$pkg_check_gtk" = "yes"; then
2361 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2362 GTK_OBJ=emacsgtkfixed.o
2363 gtk_term_header=gtkutil.h
2364 USE_GTK_TOOLKIT="GTK3"
2365 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2366 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2367 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2368 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2369 [Define to 1 to disable Glib deprecation warnings.])
2373 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2377 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2380 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2382 dnl Checks for libraries.
2383 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2384 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2385 if test "$pkg_check_gtk" = "no" &&
2386 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2388 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2390 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2397 if test x"$pkg_check_gtk" = xyes; then
2400 CFLAGS="$CFLAGS $GTK_CFLAGS"
2401 LIBS="$GTK_LIBS $LIBS"
2402 dnl Try to compile a simple GTK program.
2403 AC_MSG_CHECKING([whether GTK compiles])
2407 [[/* Check the Gtk and Glib APIs. */
2408 #include <gtk/gtk.h>
2409 #include <glib-object.h>
2411 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2415 GtkSettings *gs = 0;
2416 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2417 strict C prohibits this. Use gtk_main_iteration to test that the
2418 libraries are there. */
2419 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2420 0, 0, 0, G_CALLBACK (callback), 0))
2421 gtk_main_iteration ();
2424 AC_MSG_RESULT([$GTK_COMPILES])
2425 if test "${GTK_COMPILES}" != "yes"; then
2427 if test "$USE_X_TOOLKIT" != "maybe"; then
2428 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2431 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2433 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2434 GTK_OBJ="gtkutil.o $GTK_OBJ"
2435 term_header=$gtk_term_header
2437 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2440 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2441 closing open displays. This is no problem if you just use
2442 one display, but if you use more than one and close one of them
2452 if test "${HAVE_GTK}" = "yes"; then
2454 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2455 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2456 if test "$with_toolkit_scroll_bars" != no; then
2457 with_toolkit_scroll_bars=yes
2460 dnl Check if we have the old file selection dialog declared and
2461 dnl in the link library. In 2.x it may be in the library,
2462 dnl but not declared if deprecated featured has been selected out.
2463 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2464 HAVE_GTK_FILE_SELECTION=no
2465 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2466 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2467 #include <gtk/gtk.h>])
2468 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2469 AC_CHECK_FUNCS(gtk_file_selection_new)
2472 dnl Same as above for gtk_handle_box.
2473 HAVE_GTK_HANDLE_BOX=no
2474 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2475 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2476 #include <gtk/gtk.h>])
2477 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2478 AC_CHECK_FUNCS(gtk_handle_box_new)
2481 dnl Same as above for gtk_tearoff_menu_item.
2482 HAVE_GTK_TEAROFF_MENU_ITEM=no
2483 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2484 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2485 #include <gtk/gtk.h>])
2486 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2487 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2490 dnl Check for functions introduced in 2.14 and later.
2491 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2492 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2493 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2494 gtk_orientable_set_orientation \
2495 gtk_window_set_has_resize_grip)
2497 term_header=gtkutil.h
2505 if test "${with_xwidgets}" != "no" && test "${USE_GTK_TOOLKIT}" = "GTK3" && test "$window_system" != "none" ; then
2506 echo "xwidgets enabled, checking webkit, and others"
2508 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2510 dnl - enable only if GTK3 is enabled, and we have a window system
2511 dnl - check for webkit and gobject introspection
2514 #webkit version for gtk3.
2515 WEBKIT_REQUIRED=1.4.0
2516 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2518 if test "${with_gtk3}" = "yes"; then
2519 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2520 if test $HAVE_WEBKIT = yes; then
2521 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2526 GIR_MODULES="gobject-introspection-1.0 >= $GIR_REQUIRED"
2527 PKG_CHECK_MODULES(GIR, $GIR_MODULES, HAVE_GIR=yes, HAVE_GIR=no)
2528 if test $HAVE_GIR = yes; then
2529 AC_DEFINE(HAVE_GIR, 1, [Define to 1 if you have GIR support.])
2538 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2539 dnl other platforms.
2542 if test "${with_dbus}" = "yes"; then
2543 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2544 if test "$HAVE_DBUS" = yes; then
2545 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2546 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2547 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2550 LIBS="$LIBS $DBUS_LIBS"
2551 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2552 dbus_type_is_valid \
2553 dbus_validate_bus_name \
2554 dbus_validate_path \
2555 dbus_validate_interface \
2556 dbus_validate_member)
2561 AC_SUBST(DBUS_CFLAGS)
2565 dnl GSettings has been tested under GNU/Linux only.
2567 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2568 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2569 if test "$HAVE_GSETTINGS" = "yes"; then
2571 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2573 LIBS="$LIBS $GSETTINGS_LIBS"
2574 AC_MSG_CHECKING([whether GSettings is in gio])
2577 [[/* Check that gsettings really is present. */
2578 #include <glib-object.h>
2579 #include <gio/gio.h>
2582 GSettings *settings;
2583 GVariant *val = g_settings_get_value (settings, "");
2585 [], HAVE_GSETTINGS=no)
2586 AC_MSG_RESULT([$HAVE_GSETTINGS])
2588 if test "$HAVE_GSETTINGS" = "yes"; then
2589 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2590 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2591 SETTINGS_LIBS="$GSETTINGS_LIBS"
2598 dnl GConf has been tested under GNU/Linux only.
2599 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2601 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2602 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2603 if test "$HAVE_GCONF" = yes; then
2604 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2605 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2606 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2607 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2611 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2612 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2613 if test "$HAVE_GOBJECT" = "yes"; then
2614 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2615 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2617 SAVE_CFLAGS="$CFLAGS"
2619 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2620 LIBS="$SETTINGS_LIBS $LIBS"
2621 CFLAGS="$SAVE_CFLAGS"
2624 AC_SUBST(SETTINGS_CFLAGS)
2625 AC_SUBST(SETTINGS_LIBS)
2628 dnl SELinux is available for GNU/Linux only.
2631 if test "${with_selinux}" = "yes"; then
2632 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2633 if test "$HAVE_LIBSELINUX" = yes; then
2634 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2635 LIBSELINUX_LIBS=-lselinux
2638 AC_SUBST(LIBSELINUX_LIBS)
2641 if test "${with_gnutls}" = "yes" ; then
2642 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2643 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2644 if test "${HAVE_GNUTLS}" = "yes"; then
2645 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2646 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2647 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2650 # Windows loads GnuTLS dynamically
2651 if test "${opsys}" = "mingw32"; then
2656 AC_SUBST(LIBGNUTLS_LIBS)
2657 AC_SUBST(LIBGNUTLS_CFLAGS)
2662 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2663 dnl a particular library. This doesn't make much sense?
2664 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2665 with_file_notification=no
2668 dnl MS Windows native file monitor is available for mingw32 only.
2669 case $with_file_notification,$opsys in
2670 w32,* | yes,mingw32)
2671 AC_CHECK_HEADER(windows.h)
2672 if test "$ac_cv_header_windows_h" = yes ; then
2673 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2674 NOTIFY_OBJ=w32notify.o
2675 NOTIFY_SUMMARY="yes (w32)"
2679 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2680 dnl has been added in glib 2.24. It has been tested under
2681 dnl GNU/Linux only. We take precedence over inotify, but this makes
2682 dnl only sense when glib has been compiled with inotify support. How
2684 case $with_file_notification,$NOTIFY_OBJ in
2686 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2687 if test "$HAVE_GFILENOTIFY" = "yes"; then
2688 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2689 NOTIFY_OBJ=gfilenotify.o
2690 NOTIFY_SUMMARY="yes -lgio (gfile)"
2694 dnl inotify is only available on GNU/Linux.
2695 case $with_file_notification,$NOTIFY_OBJ in
2697 AC_CHECK_HEADER(sys/inotify.h)
2698 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2699 AC_CHECK_FUNC(inotify_init1)
2700 if test "$ac_cv_func_inotify_init1" = yes; then
2701 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2702 NOTIFY_OBJ=inotify.o
2703 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2708 case $with_file_notification,$NOTIFY_OBJ in
2709 yes,* | no,* | *,?*) ;;
2710 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2713 if test -n "$NOTIFY_OBJ"; then
2714 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2716 AC_SUBST(NOTIFY_OBJ)
2717 AC_SUBST(GFILENOTIFY_CFLAGS)
2718 AC_SUBST(GFILENOTIFY_LIBS)
2720 dnl Do not put whitespace before the #include statements below.
2721 dnl Older compilers (eg sunos4 cc) choke on it.
2724 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2725 if test "$with_xaw3d" != no; then
2726 AC_CACHE_VAL(emacs_cv_xaw3d,
2727 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2728 #include <X11/Intrinsic.h>
2729 #include <X11/Xaw3d/Simple.h>]],
2731 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2732 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2733 emacs_cv_xaw3d=no)])
2737 if test $emacs_cv_xaw3d = yes; then
2738 AC_MSG_CHECKING(for xaw3d)
2739 AC_MSG_RESULT([yes; using Lucid toolkit])
2743 AC_DEFINE(HAVE_XAW3D, 1,
2744 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2746 AC_MSG_CHECKING(for xaw3d)
2748 AC_MSG_CHECKING(for libXaw)
2749 AC_CACHE_VAL(emacs_cv_xaw,
2750 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2751 #include <X11/Intrinsic.h>
2752 #include <X11/Xaw/Simple.h>]],
2756 if test $emacs_cv_xaw = yes; then
2757 AC_MSG_RESULT([yes; using Lucid toolkit])
2760 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2761 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2763 AC_MSG_ERROR([No X toolkit could be found.
2764 If you are sure you want Emacs compiled without an X toolkit, pass
2766 to configure. Otherwise, install the development libraries for the toolkit
2767 that you want to use (e.g. Gtk+) and re-run configure.])
2772 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2776 if test "${USE_X_TOOLKIT}" != "none"; then
2777 AC_MSG_CHECKING(X11 toolkit version)
2778 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2779 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2780 [[#if XtSpecificationRelease < 6
2783 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2784 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2785 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2786 AC_MSG_RESULT(6 or newer)
2787 AC_DEFINE(HAVE_X11XTR6, 1,
2788 [Define to 1 if you have the X11R6 or newer version of Xt.])
2789 LIBXTR6="-lSM -lICE"
2791 ## Use libw.a along with X11R6 Xt.
2792 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2795 AC_MSG_RESULT(before 6)
2798 dnl If using toolkit, check whether libXmu.a exists.
2799 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2801 if test x$HAVE_X11XTR6 = xyes; then
2802 OTHERLIBS='-lXt -lSM -lICE'
2806 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2807 if test "X$LIBS" != "X$OLDLIBS"; then
2808 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2811 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2817 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2818 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2819 if test -d /usr/include/openmotif; then
2820 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2821 emacs_cv_openmotif=yes
2822 case "$canonical" in
2823 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2824 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2827 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2830 emacs_cv_openmotif=no
2832 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2833 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2834 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2837 Motif version prior to 2.1.
2839 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2840 if test $emacs_cv_motif_version_2_1 = yes; then
2841 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2842 if test x$emacs_cv_openmotif = xyes; then
2843 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2846 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2847 # We put this in CFLAGS temporarily to precede other -I options
2848 # that might be in CFLAGS temporarily.
2849 # We put this in CPPFLAGS where it precedes the other -I options.
2850 OLD_CPPFLAGS=$CPPFLAGS
2852 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2853 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2854 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2856 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2857 if test $emacs_cv_lesstif = yes; then
2858 # Make sure this -I option remains in CPPFLAGS after it is set
2859 # back to REAL_CPPFLAGS.
2860 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2861 # have those other -I options anyway. Ultimately, having this
2862 # directory ultimately in CPPFLAGS will be enough.
2863 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2864 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2867 CPPFLAGS=$OLD_CPPFLAGS
2870 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2871 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2874 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2875 dnl using Motif or Xaw3d is available, and unless
2876 dnl --with-toolkit-scroll-bars=no was specified.
2878 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2879 [Define to 1 if we should use toolkit scroll bars.])dnl
2880 USE_TOOLKIT_SCROLL_BARS=no
2881 if test "${with_toolkit_scroll_bars}" != "no"; then
2882 if test "${USE_X_TOOLKIT}" != "none"; then
2883 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2884 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2886 USE_TOOLKIT_SCROLL_BARS=yes
2887 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2888 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2889 USE_TOOLKIT_SCROLL_BARS=yes
2891 elif test "${HAVE_GTK}" = "yes"; then
2892 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2893 USE_TOOLKIT_SCROLL_BARS=yes
2894 elif test "${HAVE_NS}" = "yes"; then
2895 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2896 USE_TOOLKIT_SCROLL_BARS=yes
2897 elif test "${HAVE_W32}" = "yes"; then
2898 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2899 USE_TOOLKIT_SCROLL_BARS=yes
2903 dnl See if XIM is available.
2904 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2905 #include <X11/Xlib.h>
2906 #include <X11/Xresource.h>]],
2907 [[XIMProc callback;]])],
2909 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2912 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2914 if test "${with_xim}" != "no"; then
2915 AC_DEFINE(USE_XIM, 1,
2916 [Define to 1 if we should use XIM, if it is available.])
2920 if test "${HAVE_XIM}" != "no"; then
2922 if test "$GCC" = yes; then
2923 CFLAGS="$CFLAGS --pedantic-errors"
2925 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2926 #include <X11/Xlib.h>
2927 #include <X11/Xresource.h>]],
2933 XPointer *client_data;
2935 /* If we're not using GCC, it's probably not XFree86, and this is
2936 probably right, but we can't use something like --pedantic-errors. */
2937 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2938 char*, XIMProc, XPointer*);
2940 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2942 [emacs_cv_arg6_star=yes])
2943 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2944 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2945 either XPointer or XPointer*.])dnl
2946 if test "$emacs_cv_arg6_star" = yes; then
2947 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2949 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2954 ### Start of font-backend (under any platform) section.
2955 # (nothing here yet -- this is a placeholder)
2956 ### End of font-backend (under any platform) section.
2958 ### Start of font-backend (under X11) section.
2959 if test "${HAVE_X11}" = "yes"; then
2960 ## Use -lXft if available, unless `--with-xft=no'.
2962 if test "x${with_x}" = "xno"; then
2966 if test "$with_xft" != no; then
2967 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2968 with_xft=$HAVE_FONTCONFIG
2971 if test "x${with_xft}" != "xno"; then
2973 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2974 ## Because xftfont.c uses XRenderQueryExtension, we also
2975 ## need to link to -lXrender.
2977 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2978 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2979 OLD_CPPFLAGS="$CPPFLAGS"
2980 OLD_CFLAGS="$CFLAGS"
2982 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2983 CFLAGS="$CFLAGS $XFT_CFLAGS"
2984 XFT_LIBS="-lXrender $XFT_LIBS"
2985 LIBS="$XFT_LIBS $LIBS"
2986 AC_CHECK_HEADER(X11/Xft/Xft.h,
2987 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2988 [[#include <X11/X.h>]])
2990 if test "${HAVE_XFT}" = "yes"; then
2991 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2993 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2994 fi # "${HAVE_XFT}" = "yes"
2995 CPPFLAGS=$OLD_CPPFLAGS
2998 fi # "$HAVE_XFT" != no
2999 fi # "x${with_xft}" != "xno"
3001 ## We used to allow building with FreeType and without Xft.
3002 ## However, the ftx font backend driver is not in good shape.
3003 if test "$HAVE_XFT" != "yes"; then
3004 dnl For the "Does Emacs use" message at the end.
3008 dnl Strict linkers fail with
3009 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3010 dnl if -lfreetype is not specified.
3011 dnl The following is needed to set FREETYPE_LIBS.
3012 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3014 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3018 if test "${HAVE_FREETYPE}" = "yes"; then
3019 AC_DEFINE(HAVE_FREETYPE, 1,
3020 [Define to 1 if using the freetype and fontconfig libraries.])
3021 if test "${with_libotf}" != "no"; then
3022 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3023 if test "$HAVE_LIBOTF" = "yes"; then
3024 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3025 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3026 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3027 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3028 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3029 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3030 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3034 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3035 dnl Does the new font backend require it, or can it work without it?
3039 if test "${HAVE_LIBOTF}" = yes; then
3040 if test "${with_m17n_flt}" != "no"; then
3041 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3042 if test "$HAVE_M17N_FLT" = "yes"; then
3043 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3054 ### End of font-backend (under X11) section.
3056 AC_SUBST(FREETYPE_CFLAGS)
3057 AC_SUBST(FREETYPE_LIBS)
3058 AC_SUBST(FONTCONFIG_CFLAGS)
3059 AC_SUBST(FONTCONFIG_LIBS)
3060 AC_SUBST(LIBOTF_CFLAGS)
3061 AC_SUBST(LIBOTF_LIBS)
3062 AC_SUBST(M17N_FLT_CFLAGS)
3063 AC_SUBST(M17N_FLT_LIBS)
3065 ### Use -lXpm if available, unless `--with-xpm=no'.
3066 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3067 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3068 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3069 ### LDFLAGS) accordingly.
3072 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3073 if test "${with_xpm}" != "no"; then
3074 SAVE_CPPFLAGS="$CPPFLAGS"
3075 SAVE_LDFLAGS="$LDFLAGS"
3076 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3077 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3078 AC_CHECK_HEADER(X11/xpm.h,
3079 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3080 if test "${HAVE_XPM}" = "yes"; then
3081 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3082 AC_EGREP_CPP(no_return_alloc_pixels,
3083 [#include "X11/xpm.h"
3084 #ifndef XpmReturnAllocPixels
3085 no_return_alloc_pixels
3087 ], HAVE_XPM=no, HAVE_XPM=yes)
3089 if test "${HAVE_XPM}" = "yes"; then
3090 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3094 CPPFLAGS="$SAVE_CPPFLAGS"
3095 LDFLAGS="$SAVE_LDFLAGS"
3100 if test "${HAVE_XPM}" = "yes"; then
3101 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3106 if test "${HAVE_X11}" = "yes"; then
3107 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3108 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3110 if test "${with_xpm}" != "no"; then
3111 AC_CHECK_HEADER(X11/xpm.h,
3112 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3113 if test "${HAVE_XPM}" = "yes"; then
3114 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3115 AC_EGREP_CPP(no_return_alloc_pixels,
3116 [#include "X11/xpm.h"
3117 #ifndef XpmReturnAllocPixels
3118 no_return_alloc_pixels
3120 ], HAVE_XPM=no, HAVE_XPM=yes)
3122 if test "${HAVE_XPM}" = "yes"; then
3130 if test "${HAVE_XPM}" = "yes"; then
3131 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3133 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3134 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3139 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3140 ### slightly different requirements wrt image libraries (it doesn't
3141 ### use -lXpm because it loads the xpm shared library dynamically at
3143 if test "${opsys}" = "mingw32"; then
3144 if test "${with_xpm}" != "no"; then
3145 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3149 if test "${HAVE_XPM}" = "yes"; then
3150 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3156 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3157 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3160 if test "${opsys}" = "mingw32"; then
3161 if test "${with_jpeg}" != "no"; then
3162 dnl Checking for jpeglib.h can lose because of a redefinition of
3164 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3166 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3167 if test "${HAVE_JPEG}" = "yes"; then
3168 AC_DEFINE(HAVE_JPEG)
3169 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3170 [#include <jpeglib.h>
3171 version=JPEG_LIB_VERSION
3173 [AC_DEFINE(HAVE_JPEG)],
3174 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3177 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3178 if test "${with_jpeg}" != "no"; then
3179 dnl Checking for jpeglib.h can lose because of a redefinition of
3181 AC_CHECK_HEADER(jerror.h,
3182 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3185 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3186 if test "${HAVE_JPEG}" = "yes"; then
3187 AC_DEFINE(HAVE_JPEG)
3188 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3189 [#include <jpeglib.h>
3190 version=JPEG_LIB_VERSION
3192 [AC_DEFINE(HAVE_JPEG)],
3193 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3196 if test "${HAVE_JPEG}" = "yes"; then
3204 if test "${with_zlib}" != "no"; then
3206 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3208 case $ac_cv_search_inflateEnd in
3209 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3212 if test "${HAVE_ZLIB}" = "yes"; then
3213 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3214 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3215 if test "${opsys}" = "mingw32"; then
3221 ### Use -lpng if available, unless `--with-png=no'.
3225 if test "${NS_IMPL_COCOA}" = yes; then
3227 elif test "${with_png}" != no; then
3228 # mingw32 loads the library dynamically.
3229 if test "$opsys" = mingw32; then
3230 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3231 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3232 AC_MSG_CHECKING([for png])
3233 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3234 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3235 # libpng-config does not work; configure by hand.
3236 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3237 # in /usr/include/libpng.
3238 if test -r /usr/include/libpng/png.h &&
3239 test ! -r /usr/include/png.h; then
3240 png_cflags=-I/usr/include/libpng
3248 CFLAGS="$CFLAGS $png_cflags"
3249 LIBS="$png_libs -lz -lm $LIBS"
3251 [AC_LANG_PROGRAM([[#include <png.h>]],
3252 [[return !png_get_channels (0, 0);]])],
3254 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3256 # $LIBPNG requires explicit -lz in some cases.
3257 # We don't know what those cases are, exactly, so play it safe and
3258 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3259 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3260 LIBPNG="$LIBPNG -lz"
3264 AC_MSG_RESULT([$HAVE_PNG])
3267 if test $HAVE_PNG = yes; then
3268 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3271 CFLAGS="$CFLAGS $PNG_CFLAGS"
3272 AC_CHECK_DECL([png_longjmp],
3274 [AC_DEFINE([PNG_DEPSTRUCT], [],
3275 [Define to empty to suppress deprecation warnings when building
3276 with --enable-gcc-warnings and with libpng versions before 1.5,
3277 which lack png_longjmp.])],
3283 AC_SUBST(PNG_CFLAGS)
3285 ### Use -ltiff if available, unless `--with-tiff=no'.
3286 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3289 if test "${opsys}" = "mingw32"; then
3290 if test "${with_tiff}" != "no"; then
3291 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3293 if test "${HAVE_TIFF}" = "yes"; then
3294 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3296 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3297 if test "${with_tiff}" != "no"; then
3298 AC_CHECK_HEADER(tiffio.h,
3300 # At least one tiff package requires the jpeg library.
3301 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3302 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3305 if test "${HAVE_TIFF}" = "yes"; then
3306 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3307 dnl FIXME -lz -lm, as per libpng?
3313 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3314 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3317 if test "${opsys}" = "mingw32"; then
3318 if test "${with_gif}" != "no"; then
3319 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3321 if test "${HAVE_GIF}" = "yes"; then
3322 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3324 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3325 || test "${HAVE_W32}" = "yes"; then
3326 AC_CHECK_HEADER(gif_lib.h,
3327 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3328 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3329 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3330 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3332 if test "$HAVE_GIF" = yes; then
3334 elif test "$HAVE_GIF" = maybe; then
3335 # If gif_lib.h but no libgif, try libungif.
3336 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3337 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3340 if test "${HAVE_GIF}" = "yes"; then
3341 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3346 dnl Check for required libraries.
3347 if test "${HAVE_X11}" = "yes"; then
3350 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3351 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3352 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3353 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3354 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3355 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3356 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3357 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3358 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3359 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3361 if test "X${MISSING}" != X; then
3362 AC_MSG_ERROR([The following required libraries were not found:
3364 Maybe some development libraries/packages are missing?
3365 If you don't want to link with them give
3367 as options to configure])
3371 ### Use -lgpm if available, unless `--with-gpm=no'.
3374 if test "${with_gpm}" != "no"; then
3375 AC_CHECK_HEADER(gpm.h,
3376 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3378 if test "${HAVE_GPM}" = "yes"; then
3379 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3385 dnl Check for malloc/malloc.h on darwin
3386 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3389 ### Use NeXTstep API to implement GUI.
3390 if test "${HAVE_NS}" = "yes"; then
3391 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3392 if test "${NS_IMPL_COCOA}" = "yes"; then
3393 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3395 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3396 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3397 # See also .m.o rule in Makefile.in */
3398 # FIXME: are all these flags really needed? Document here why. */
3399 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3400 ## Extra CFLAGS applied to src/*.m files.
3401 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3406 ### Use session management (-lSM -lICE) if available
3409 if test "${HAVE_X11}" = "yes"; then
3410 AC_CHECK_HEADER(X11/SM/SMlib.h,
3411 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3413 if test "${HAVE_X_SM}" = "yes"; then
3414 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3420 ### Use XRandr (-lXrandr) if available
3422 if test "${HAVE_X11}" = "yes"; then
3423 XRANDR_REQUIRED=1.2.2
3424 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3425 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3426 if test $HAVE_XRANDR = no; then
3427 # Test old way in case pkg-config doesn't have it (older machines).
3428 # Include Xrender.h by hand to work around bug in older Xrandr.h
3429 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3430 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3431 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3432 [], [AC_INCLUDES_DEFAULT
3433 #include <X11/extensions/Xrender.h>])
3434 if test $HAVE_XRANDR = yes; then
3435 XRANDR_LIBS=-lXrandr
3438 if test $HAVE_XRANDR = yes; then
3439 SAVE_CFLAGS="$CFLAGS"
3441 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3442 LIBS="$XRANDR_LIBS $LIBS"
3443 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3444 CFLAGS="$SAVE_CFLAGS"
3447 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3450 AC_SUBST(XRANDR_CFLAGS)
3451 AC_SUBST(XRANDR_LIBS)
3453 ### Use Xinerama (-lXinerama) if available
3455 if test "${HAVE_X11}" = "yes"; then
3456 XINERAMA_REQUIRED=1.0.2
3457 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3458 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3459 if test $HAVE_XINERAMA = no; then
3460 # Test old way in case pkg-config doesn't have it (older machines).
3461 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3462 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3463 if test $HAVE_XINERAMA = yes; then
3464 XINERAMA_LIBS=-lXinerama
3467 if test $HAVE_XINERAMA = yes; then
3468 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3471 AC_SUBST(XINERAMA_CFLAGS)
3472 AC_SUBST(XINERAMA_LIBS)
3474 ### Use Xfixes (-lXfixes) if available
3476 if test "${HAVE_X11}" = "yes"; then
3477 XFIXES_REQUIRED=4.0.0
3478 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3479 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3480 if test $HAVE_XFIXES = no; then
3481 # Test old way in case pkg-config doesn't have it (older machines).
3482 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3483 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3484 if test $HAVE_XFIXES = yes; then
3485 XFIXES_LIBS=-lXfixes
3488 if test $HAVE_XFIXES = yes; then
3489 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3492 AC_SUBST(XFIXES_CFLAGS)
3493 AC_SUBST(XFIXES_LIBS)
3495 ### Use libxml (-lxml2) if available
3496 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3498 if test "${with_xml2}" != "no"; then
3499 ### I'm not sure what the version number should be, so I just guessed.
3500 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3501 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3502 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3503 SAVE_CPPFLAGS="$CPPFLAGS"
3504 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3505 AC_CHECK_HEADER(libxml/HTMLparser.h,
3506 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3507 [#include <libxml/HTMLparser.h>])])
3508 CPPFLAGS="$SAVE_CPPFLAGS"
3509 if test "${HAVE_LIBXML2}" = "yes"; then
3510 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3511 LIBXML2_LIBS="-lxml2"
3514 if test "${HAVE_LIBXML2}" = "yes"; then
3515 if test "${opsys}" != "mingw32"; then
3516 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3521 if test "${HAVE_LIBXML2}" = "yes"; then
3522 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3529 AC_SUBST(LIBXML2_LIBS)
3530 AC_SUBST(LIBXML2_CFLAGS)
3532 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3533 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3534 if test "${opsys}" = "mingw32"; then
3535 emacs_cv_netdb_declares_h_errno=yes
3537 AC_CACHE_CHECK(whether netdb declares h_errno,
3538 emacs_cv_netdb_declares_h_errno,
3539 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3540 [[return h_errno;]])],
3541 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3542 if test $emacs_cv_netdb_declares_h_errno = yes; then
3543 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3546 # Check for mail-locking functions in a "mail" library. Probably this should
3547 # have the same check as for liblockfile below.
3548 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3549 if test $have_mail = yes; then
3551 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3554 LIBS="$LIBS_MAIL $LIBS"
3555 AC_CHECK_FUNCS(touchlock)
3560 dnl Debian, at least:
3561 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3562 if test $have_lockfile = yes; then
3563 LIBS_MAIL=-llockfile
3564 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3566 # If we have the shared liblockfile, assume we must use it for mail
3567 # locking (e.g. Debian). If we couldn't link against liblockfile
3568 # (no liblockfile.a installed), ensure that we don't need to.
3569 dnl This works for files generally, not just executables.
3570 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3571 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3572 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3573 if test $ac_cv_prog_liblockfile = yes; then
3574 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3575 This probably means that movemail could lose mail.
3576 There may be a `development' package to install containing liblockfile.])
3579 AC_CHECK_HEADERS_ONCE(maillock.h)
3582 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3583 ## interlock access to the mail spool. The alternative is a lock file named
3584 ## /usr/spool/mail/$USER.lock.
3587 aix4-2) mail_lock="lockf" ;;
3589 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3591 ## On GNU/Linux systems, both methods are used by various mail programs.
3592 ## I assume most people are using newer mailers that have heard of flock.
3593 ## Change this if you need to.
3594 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3595 ## configure gets the right answers, and that means *NOT* using flock.
3596 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3597 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3598 ## Debian maintainer hasn't provided a clean fix for Emacs.
3599 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3600 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3601 ## correct logic. -- fx
3602 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3603 ## liblockfile is a Free Software replacement for libmail, used on
3604 ## Debian systems and elsewhere. -rfr.
3607 if test $have_mail = yes || test $have_lockfile = yes; then
3608 test $ac_cv_header_maillock_h = yes && mail_lock=no
3613 mail_lock="none-needed" ;;
3617 case "$mail_lock" in
3618 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3620 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3624 *) BLESSMAIL_TARGET="need-blessmail" ;;
3626 AC_SUBST(BLESSMAIL_TARGET)
3629 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3630 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3631 getrusage get_current_dir_name \
3632 lrand48 random rint \
3633 select getpagesize setlocale newlocale \
3634 getrlimit setrlimit shutdown getaddrinfo \
3635 pthread_sigmask strsignal setitimer \
3636 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3638 getpwent endpwent getgrent endgrent \
3639 cfmakeraw cfsetspeed copysign __executable_start log2)
3642 dnl No need to check for aligned_alloc and posix_memalign if using
3643 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3644 dnl Don't use these functions on Darwin as they are incompatible with
3646 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3647 && test "$opsys" != darwin; then
3648 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3651 dnl Cannot use AC_CHECK_FUNCS
3652 AC_CACHE_CHECK([for __builtin_unwind_init],
3653 emacs_cv_func___builtin_unwind_init,
3654 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3655 emacs_cv_func___builtin_unwind_init=yes,
3656 emacs_cv_func___builtin_unwind_init=no)])
3657 if test $emacs_cv_func___builtin_unwind_init = yes; then
3658 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3659 [Define to 1 if you have the `__builtin_unwind_init' function.])
3662 AC_CHECK_HEADERS_ONCE(sys/un.h)
3667 AC_CHECK_FUNCS(grantpt)
3669 # PTY-related GNU extensions.
3670 AC_CHECK_FUNCS(getpt posix_openpt)
3672 # Check this now, so that we will NOT find the above functions in ncurses.
3673 # That is because we have not set up to link ncurses in lib-src.
3674 # It's better to believe a function is not available
3675 # than to expect to find it in ncurses.
3676 # Also we need tputs and friends to be able to build at all.
3677 AC_MSG_CHECKING([for library containing tputs])
3678 # Run a test program that contains a call to tputs, a call that is
3679 # never executed. This tests whether a pre-'main' dynamic linker
3680 # works with the library. It's too much trouble to actually call
3681 # tputs in the test program, due to portability hassles. When
3682 # cross-compiling, assume the test program will run if it links.
3683 AC_DEFUN([tputs_link_source], [
3685 [[extern void tputs (const char *, int, int (*)(int));
3686 int main (int argc, char **argv)
3689 tputs (argv[0], 0, 0);
3693 if test "${opsys}" = "mingw32"; then
3696 # Maybe curses should be tried earlier?
3697 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3698 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3700 if test -z "$tputs_library"; then
3704 LIBS_TERMCAP=-l$tputs_library
3706 LIBS="$LIBS_TERMCAP $LIBS"
3708 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3709 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3711 if test "X$msg" != Xno; then
3716 AC_MSG_RESULT([$msg])
3717 if test "X$msg" = Xno; then
3718 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3719 The following libraries were tried (in order):
3720 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3721 Please try installing whichever of these libraries is most appropriate
3722 for your system, together with its header files.
3723 For example, a libncurses-dev(el) or similar package.])
3726 ## Use termcap instead of terminfo?
3727 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3729 ## FIXME? In the cases below where we unconditionally set
3730 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3731 ## if that was found above to have tputs.
3732 ## Should we use the gnu* logic everywhere?
3734 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3735 ## The ncurses library has been moved out of the System framework in
3736 ## Mac OS X 10.2. So if configure detects it, set the command-line
3737 ## option to use it.
3738 darwin) LIBS_TERMCAP="-lncurses" ;;
3740 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3743 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3744 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3745 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3746 [[#if __FreeBSD_version < 400000
3749 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3751 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3753 if test $emacs_cv_freebsd_terminfo = yes; then
3754 LIBS_TERMCAP="-lncurses"
3757 LIBS_TERMCAP="-ltermcap"
3767 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3769 LIBS_TERMCAP="-ltermcap"
3773 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3775 ## hpux: Make sure we get select from libc rather than from libcurses
3776 ## because libcurses on HPUX 10.10 has a broken version of select.
3777 ## We used to use -lc -lcurses, but this may be cleaner.
3778 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3779 # set that way, now it uses the default). Isn't this a contradiction?
3780 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3784 TERMCAP_OBJ=tparam.o
3785 if test $TERMINFO = yes; then
3786 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3787 TERMCAP_OBJ=terminfo.o
3789 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3790 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3792 AC_SUBST(LIBS_TERMCAP)
3793 AC_SUBST(TERMCAP_OBJ)
3795 # GNU/Linux-specific timer functions.
3796 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3798 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3800 [[timerfd_create (CLOCK_REALTIME,
3801 TFD_CLOEXEC | TFD_NONBLOCK);
3802 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3803 [emacs_cv_have_timerfd=yes],
3804 [emacs_cv_have_timerfd=no])])
3805 if test "$emacs_cv_have_timerfd" = yes; then
3806 AC_DEFINE([HAVE_TIMERFD], 1,
3807 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3810 # Alternate stack for signal handlers.
3811 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3812 [emacs_cv_alternate_stack],
3814 [AC_LANG_PROGRAM([[#include <signal.h>
3817 struct sigaction sa;
3818 ss.ss_sp = malloc (SIGSTKSZ);
3819 ss.ss_size = SIGSTKSZ;
3820 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3821 sigaltstack (&ss, 0);
3822 sigaction (SIGSEGV, &sa, 0);]])],
3823 [emacs_cv_alternate_stack=yes],
3824 [emacs_cv_alternate_stack=no])])
3826 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3827 # On Darwin, res_init appears not to be useful: see bug#562 and
3828 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3831 if test $opsys != darwin; then
3833 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3834 #include <arpa/nameser.h>
3835 #include <resolv.h>]],
3836 [[return res_init();]])],
3837 have_res_init=yes, have_res_init=no)
3838 if test "$have_res_init" = no; then
3840 LIBS="$LIBS -lresolv"
3841 AC_MSG_CHECKING(for res_init with -lresolv)
3842 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3843 #include <arpa/nameser.h>
3844 #include <resolv.h>]],
3845 [[return res_init();]])],
3846 have_res_init=yes, have_res_init=no)
3847 AC_MSG_RESULT($have_res_init)
3848 if test "$have_res_init" = yes ; then
3854 if test "$have_res_init" = yes; then
3855 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3859 # Do we need the Hesiod library to provide the support routines?
3860 dnl FIXME? Should we be skipping this on Darwin too?
3862 if test "$with_hesiod" != no ; then
3863 # Don't set $LIBS here -- see comments above. FIXME which comments?
3864 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3865 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3866 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3867 if test "$resolv" = yes ; then
3872 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3873 hesiod=yes, :, $RESOLVLIB)])
3875 if test x"$hesiod" = xyes; then
3881 # Do we need libresolv (due to res_init or Hesiod)?
3882 if test "$resolv" = yes && test $opsys != darwin; then
3889 # These tell us which Kerberos-related libraries to use.
3896 if test "${with_kerberos}" != no; then
3898 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3899 if test $have_com_err = yes; then
3900 COM_ERRLIB=-lcom_err
3901 LIBS="$COM_ERRLIB $LIBS"
3903 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3904 if test $have_crypto = yes; then
3906 LIBS="$CRYPTOLIB $LIBS"
3908 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3909 if test $have_k5crypto = yes; then
3910 CRYPTOLIB=-lk5crypto
3911 LIBS="$CRYPTOLIB $LIBS"
3913 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3914 if test $have_krb5=yes; then
3916 LIBS="$KRB5LIB $LIBS"
3918 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3919 if test "${with_kerberos5}" = no; then
3920 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3921 if test $have_des425 = yes; then
3923 LIBS="$DESLIB $LIBS"
3925 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3926 if test $have_des = yes; then
3928 LIBS="$DESLIB $LIBS"
3931 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3932 if test $have_krb4 = yes; then
3934 LIBS="$KRB4LIB $LIBS"
3936 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3937 if test $have_krb = yes; then
3939 LIBS="$KRB4LIB $LIBS"
3944 if test "${with_kerberos5}" != no; then
3945 AC_CHECK_HEADERS(krb5.h,
3946 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3947 [#include <krb5.h>])])
3949 AC_CHECK_HEADERS(krb.h,,
3950 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3951 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3953 AC_CHECK_HEADERS(com_err.h)
3957 AC_SUBST(COM_ERRLIB)
3963 AC_CHECK_HEADERS(valgrind/valgrind.h)
3965 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3968 AC_CHECK_FUNC(socket, , ok_so_far=no)
3969 if test $ok_so_far = yes; then
3970 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3972 if test $ok_so_far = yes; then
3973 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3975 if test $ok_so_far = yes; then
3976 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3977 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3978 [Define to 1 if you have inet sockets.])
3983 AC_CHECK_FUNCS(snprintf)
3985 dnl Check for glib. This differs from other library checks in that
3986 dnl Emacs need not link to glib unless some other library is already
3987 dnl linking to glib. Although glib provides no facilities that Emacs
3988 dnl needs for its own purposes, when glib is present Emacs needs to
3989 dnl use primitives like g_main_context_query to avoid clashing with
3990 dnl glib at a low level.
3992 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3996 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3997 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3998 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3999 LIBS="$LIBS $GFILENOTIFY_LIBS"
4000 AC_MSG_CHECKING([whether GLib is linked in])
4001 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4004 [[g_print ("Hello world");]])],
4007 AC_MSG_RESULT([$links_glib])
4008 if test "${links_glib}" = "yes"; then
4009 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4010 if test "$HAVE_NS" = no;then
4018 dnl Adapted from Haible's version.
4019 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4020 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4021 [[char* cs = nl_langinfo(CODESET);]])],
4022 emacs_cv_langinfo_codeset=yes,
4023 emacs_cv_langinfo_codeset=no)
4025 if test $emacs_cv_langinfo_codeset = yes; then
4026 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4027 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4032 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4033 dnl how the tty code is related to POSIX and/or other versions of termios.
4034 dnl The following looks like a useful start.
4036 dnl AC_SYS_POSIX_TERMIOS
4037 dnl if test $ac_cv_sys_posix_termios = yes; then
4038 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4039 dnl and macros for terminal control.])
4040 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4043 dnl Turned on June 1996 supposing nobody will mind it.
4044 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4045 if test "${opsys}" != "mingw32"; then
4046 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4047 in the full name stands for the login id.])
4050 dnl Everybody supports this, except MS.
4051 dnl Seems like the kind of thing we should be testing for, though.
4052 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4053 if test "${opsys}" != "mingw32"; then
4054 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4057 dnl Everybody supports this, except MS-DOS.
4058 dnl Seems like the kind of thing we should be testing for, though.
4059 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4060 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4061 4.2-compatible sockets.])
4063 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4065 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4066 a null file, or a data sink.])
4067 if test "${opsys}" = "mingw32"; then
4068 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4070 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4073 if test "${opsys}" = "mingw32"; then
4078 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4079 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4080 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4081 dnl decides that a command-line argument to be passed to a MinGW program
4082 dnl is a PATH-style list of directories. But that heuristics plays it
4083 dnl safe, and only does the replacement when it is _absolutely_ sure it
4084 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4085 dnl which breaks in-tree builds. So we do this manually instead.
4086 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4087 dnl be computed as ':' in MSYS Bash.
4090 dnl Everybody supports this, except MS-DOS.
4091 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4093 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4096 AC_DEFINE(DIRECTORY_SEP, ['/'],
4097 [Character that separates directories in a file name.])
4099 if test "${opsys}" = "mingw32"; then
4100 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4101 [Returns true if character is a device separator.])
4103 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4104 [Returns true if character is a directory separator.])
4106 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4107 [Returns true if character is any form of separator.])
4109 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4110 [Returns true if character is a device separator.])
4112 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4113 [Returns true if character is a directory separator.])
4115 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4116 [Returns true if character is any form of separator.])
4119 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4123 dnl Unfortunately without libXmu we cannot support EditRes.
4124 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4125 AC_DEFINE(NO_EDITRES, 1)
4130 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4131 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4132 AC_DEFINE(NO_EDITRES, 1)
4138 irix6-5 | sol2* | unixware )
4139 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4140 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4141 dnl need the constant to dimension an array. So wire in the appropriate
4143 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4147 emacs_broken_SIGIO=no
4150 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4151 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4152 hpux* | irix6-5 | openbsd | sol2* | unixware )
4153 emacs_broken_SIGIO=yes
4157 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4158 dnl the way this system works, libc functions that return malloced
4159 dnl memory use the libc malloc implementation. Calling xfree or
4160 dnl xrealloc on the results of such functions results in a crash.
4162 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4163 dnl but that does not currently work on this system.
4165 dnl It is possible to completely override the malloc implementation on
4166 dnl AIX, but that involves putting the malloc functions in a shared
4167 dnl library and setting the MALLOCTYPE environment variable to point to
4168 dnl that shared library.
4170 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4171 dnl to avoid a crash just use the Emacs implementation for that function.
4173 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4174 dnl of this file, so that we do not check for get_current_dir_name
4175 dnl on AIX. But that might be fragile if something else ends
4176 dnl up testing for get_current_dir_name as a dependency.
4177 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4178 get_current_dir_name should not be used.])
4182 dnl Circumvent a bug in FreeBSD. In the following sequence of
4183 dnl writes/reads on a PTY, read(2) returns bogus data:
4185 dnl write(2) 1022 bytes
4186 dnl write(2) 954 bytes, get EAGAIN
4187 dnl read(2) 1024 bytes in process_read_output
4188 dnl read(2) 11 bytes in process_read_output
4190 dnl That is, read(2) returns more bytes than have ever been written
4191 dnl successfully. The 1033 bytes read are the 1022 bytes written
4192 dnl successfully after processing (for example with CRs added if the
4193 dnl terminal is set up that way which it is here). The same bytes will
4194 dnl be seen again in a later read(2), without the CRs.
4195 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4196 work around an issue when reading from a PTY.])
4202 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4203 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4208 darwin | dragonfly | freebsd | netbsd | openbsd )
4209 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4210 close a pty to make it a controlling terminal (it is already a
4211 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4215 dnl FIXME Surely we can test for this rather than hard-code it.
4217 netbsd | openbsd) sound_device="/dev/audio" ;;
4218 *) sound_device="/dev/dsp" ;;
4222 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4223 [Name of the default sound device.])
4226 dnl Emacs can read input using SIGIO and buffering characters itself,
4227 dnl or using CBREAK mode and making C-g cause SIGINT.
4228 dnl The choice is controlled by the variable interrupt_input.
4230 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4232 dnl Emacs uses the presence of the USABLE_SIGIO macro
4233 dnl to indicate whether or not signal-driven I/O is possible. It uses
4234 dnl INTERRUPT_INPUT to decide whether to use it by default.
4236 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4237 dnl CBREAK mode has two disadvantages
4238 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4239 dnl I hear that in system V this problem does not exist.
4240 dnl 2) Control-G causes output to be discarded.
4241 dnl I do not know whether this can be fixed in system V.
4243 dnl Another method of doing input is planned but not implemented.
4244 dnl It would have Emacs fork off a separate process
4245 dnl to read the input and send it to the true Emacs process
4248 darwin | gnu-linux | gnu-kfreebsd )
4249 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4254 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4255 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4256 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4257 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4258 dnl taking float or double parameters.
4260 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4261 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4262 file defines `NeedWidePrototypes' as `NO'.])
4267 dnl Used in process.c, this must be a loop, even if it only runs once.
4268 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4269 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4270 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4271 dnl trying suffixes 0-16.
4272 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4273 first PTY, if PTYs are supported.])
4274 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4275 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4276 end of a PTY, if non-standard.])
4277 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4278 end of a PTY, if non-standard.])
4282 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4283 dnl You allocate a pty by opening /dev/ptc to get the master side.
4284 dnl To get the name of the slave side, you just ttyname() the master side.
4285 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4286 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4290 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4291 dnl multi-line AC_DEFINEs are hard. :(
4292 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)])
4293 AC_DEFINE(PTY_NAME_SPRINTF, [])
4294 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4297 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4299 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4300 dnl Not used, because PTY_ITERATION is defined.
4301 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4302 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4303 dnl But we don't have to block SIGCHLD because it is blocked in the
4304 dnl implementation of grantpt.
4305 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4306 AC_DEFINE(PTY_NAME_SPRINTF, [])
4307 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4311 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4314 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4316 if test "x$ac_cv_func_grantpt" = xyes; then
4317 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4318 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4319 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4320 dnl to prevent sigchld_handler from intercepting the child's death.
4321 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); }])
4322 dnl if HAVE_POSIX_OPENPT
4323 if test "x$ac_cv_func_posix_openpt" = xyes; then
4324 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4325 AC_DEFINE(PTY_NAME_SPRINTF, [])
4327 elif test "x$ac_cv_func_getpt" = xyes; then
4328 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4329 AC_DEFINE(PTY_NAME_SPRINTF, [])
4331 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4334 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4339 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4340 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4341 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4345 dnl It looks like this cannot be right, because it is not a loop.
4346 dnl However, process.c actually does this:
4352 dnl which presumably makes it OK, since irix == sgi (?).
4353 dnl FIXME it seems like this special treatment is unnecessary?
4354 dnl Why can't irix use a single-trip loop like eg cygwin?
4355 AC_DEFINE(PTY_ITERATION, [])
4356 dnl Not used, because PTY_ITERATION is defined.
4357 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4358 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); }])
4359 dnl No need to get the pty name at all.
4360 AC_DEFINE(PTY_NAME_SPRINTF, [])
4361 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4362 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4366 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4367 dnl from intercepting that death. If any child but grantpt's should die
4368 dnl within, it should be caught after sigrelse(2).
4369 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); }])
4373 dnl Comments are as per sol2*.
4374 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); }])
4381 dnl This change means that we don't loop through allocate_pty too
4382 dnl many times in the (rare) event of a failure.
4383 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4384 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4385 dnl Push various streams modules onto a PTY channel. Used in process.c.
4386 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.])
4391 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4392 "typing" a signal character on the pty.])
4395 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4396 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4397 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4398 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4401 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4402 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4403 gnu-linux | gnu-kfreebsd )
4405 AC_MSG_CHECKING([for signals via characters])
4406 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4407 #include <linux/version.h>
4408 #if LINUX_VERSION_CODE < 0x20400
4409 # error "Linux version too old"
4411 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4413 AC_MSG_RESULT([$emacs_signals_via_chars])
4414 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4419 AH_TEMPLATE(TAB3, [Undocumented.])
4422 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4424 gnu | dragonfly | freebsd | netbsd | openbsd )
4425 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4426 AC_DEFINE(TAB3, OXTABS)
4429 gnu-linux | gnu-kfreebsd )
4430 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4434 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4435 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4436 [Mark a secondary stack, like the register stack on the ia64.]), [])
4440 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4441 run_time_remap; for HPUX.])
4446 dnl This won't be used automatically yet. We also need to know, at least,
4447 dnl that the stack is continuous.
4448 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4449 registers relevant for conservative garbage collection in the jmp_buf.])
4453 dnl Not all the architectures are tested, but there are Debian packages
4454 dnl for SCM and/or Guile on them, so the technique must work. See also
4455 dnl comments in alloc.c concerning setjmp and gcc.
4456 dnl Fixme: it's probably safe to just use the GCC conditional below.
4457 gnu-linux | gnu-kfreebsd )
4458 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4459 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4460 || defined __alpha__ || defined __mips__ || defined __s390__ \
4461 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4462 || defined __ia64__ || defined __sh__
4465 # error "setjmp not known to work on this arch"
4467 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4472 if test x$GCC = xyes; then
4473 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4474 AC_DEFINE(GC_SETJMP_WORKS, 1)
4477 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4478 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4479 AC_DEFINE(GC_SETJMP_WORKS, 1)
4484 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4485 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4488 [[#include <setjmp.h>
4490 # define _longjmp longjmp
4495 _longjmp (j, 1);]])],
4496 [emacs_cv_func__setjmp=yes],
4497 [emacs_cv_func__setjmp=no])])
4498 if test $emacs_cv_func__setjmp = yes; then
4499 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4502 # We need to preserve signal mask to handle C stack overflows.
4503 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4506 [[#include <setjmp.h>
4509 if (! sigsetjmp (j, 1))
4510 siglongjmp (j, 1);]])],
4511 [emacs_cv_func_sigsetjmp=yes],
4512 [emacs_cv_func_sigsetjmp=no])])
4513 if test $emacs_cv_func_sigsetjmp = yes; then
4514 AC_DEFINE([HAVE_SIGSETJMP], 1,
4515 [Define to 1 if sigsetjmp and siglongjmp work.])
4518 # We need all of these features to handle C stack overflows.
4519 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4520 "$ac_cv_func_getrlimit" = "yes" -a \
4521 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4522 "$emacs_cv_alternate_stack" = yes; then
4523 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4524 [Define to 1 if C stack overflow can be handled in some cases.])
4529 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4530 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4531 dnl and this is all we need.
4532 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4539 dnl Used in xfaces.c.
4540 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4541 some systems, where it requires time.h.])
4546 dnl Define symbols to identify the version of Unix this is.
4547 dnl Define all the symbols that apply correctly.
4548 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4549 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4550 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4551 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4556 dnl This symbol should be defined on AIX Version 3 ???????
4557 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4559 # error "_AIX not defined"
4561 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4565 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4569 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4570 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4571 dnl distinguish OS X from pure Darwin.
4572 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4575 gnu-linux | gnu-kfreebsd )
4577 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4582 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4587 AC_DEFINE(USG5_4, [])
4588 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4592 AC_DEFINE(DOS_NT, [])
4593 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4594 if test "x$ac_enable_checking" != "x" ; then
4595 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4601 AC_DEFINE(USG5_4, [])
4602 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4607 AC_DEFINE(USG5_4, [])
4611 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4614 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4615 emacs_cv_usable_FIONREAD=no
4619 emacs_cv_usable_FIONREAD=yes
4624 [AC_LANG_PROGRAM([[#include <sys/types.h>
4625 #include <sys/ioctl.h>
4627 # include <sys/filio.h>
4630 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4631 [emacs_cv_usable_FIONREAD=yes],
4632 [emacs_cv_usable_FIONREAD=no])
4635 if test $emacs_cv_usable_FIONREAD = yes; then
4636 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4638 if test $emacs_broken_SIGIO = no; then
4639 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4641 [AC_LANG_PROGRAM([[#include <fcntl.h>
4644 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4645 [emacs_cv_usable_SIGIO=yes],
4646 [emacs_cv_usable_SIGIO=no])],
4647 [emacs_cv_usable_SIGIO=yes],
4648 [emacs_cv_usable_SIGIO=no])
4649 if test $emacs_cv_usable_SIGIO = yes; then
4650 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4657 dnl It works to open the pty's tty in the parent (Emacs), then
4658 dnl close and reopen it in the child.
4659 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4660 works to open a pty's tty in the parent process, then close and
4661 reopen it in the child.])
4665 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4666 use VSUSP instead of VSWTCH.])
4670 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4675 # Set up the CFLAGS for real compilation, so we can substitute it.
4676 CFLAGS="$REAL_CFLAGS"
4677 CPPFLAGS="$REAL_CPPFLAGS"
4680 ## Hack to detect a buggy GCC version.
4681 if test "x$GCC" = xyes \
4682 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4683 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4684 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4685 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4688 version=$PACKAGE_VERSION
4690 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4691 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4692 [Short copyright string for this version of Emacs.])
4695 ### Specify what sort of things we'll be editing into Makefile and config.h.
4696 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4698 AC_SUBST(configuration)
4703 AC_SUBST(exec_prefix)
4706 AC_SUBST(sharedstatedir)
4707 AC_SUBST(libexecdir)
4711 AC_SUBST(standardlisppath)
4712 AC_SUBST(locallisppath)
4714 AC_SUBST(x_default_search_path)
4716 AC_SUBST(archlibdir)
4721 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4722 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4723 ## end of LIBX_BASE, but nothing ever set it.
4724 AC_SUBST(LD_SWITCH_X_SITE)
4725 AC_SUBST(C_SWITCH_X_SITE)
4726 AC_SUBST(GNUSTEP_CFLAGS)
4728 ## Used in lwlib/Makefile.in.
4729 AC_SUBST(X_TOOLKIT_TYPE)
4731 AC_SUBST(ns_appbindir)
4732 AC_SUBST(ns_appresdir)
4734 AC_SUBST(GNU_OBJC_CFLAGS)
4735 AC_SUBST(OTHER_FILES)
4737 if test -n "${term_header}"; then
4738 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4739 [Define to the header for the built-in window system.])
4742 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4743 [Define to the canonical Emacs configuration name.])
4744 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4745 [Define to the options passed to configure.])
4746 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4747 define this to include extra configuration information.])
4751 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4758 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4759 AC_DEFINE(HAVE_X_WINDOWS, 1,
4760 [Define to 1 if you want to use the X window system.])
4762 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4764 if test "$HAVE_XFT" = "yes"; then
4765 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4766 elif test "$HAVE_FREETYPE" = "yes"; then
4767 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4777 if test "${USE_X_TOOLKIT}" != "none" ; then
4779 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4780 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4781 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4782 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4783 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4787 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4788 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4792 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4793 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4794 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4798 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4799 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4802 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4805 AC_SUBST(WIDGET_OBJ)
4808 case "$USE_X_TOOLKIT" in
4809 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4810 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4811 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
4813 AC_SUBST(TOOLKIT_LIBW)
4815 if test "${opsys}" != "mingw32"; then
4816 if test "$USE_X_TOOLKIT" = "none"; then
4817 LIBXT_OTHER="\$(LIBXSM)"
4819 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4822 AC_SUBST(LIBXT_OTHER)
4824 if test "${HAVE_X11}" = "yes" ; then
4825 AC_DEFINE(HAVE_X11, 1,
4826 [Define to 1 if you want to use version 11 of X windows.])
4827 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4831 AC_SUBST(LIBX_OTHER)
4833 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4835 elif test "$USE_X_TOOLKIT" = none; then
4836 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4838 LIBXMENU='$(lwlibdir)/liblw.a'
4842 AC_CACHE_CHECK([for struct alignment],
4843 [emacs_cv_struct_alignment],
4845 [AC_LANG_PROGRAM([[#include <stddef.h>
4846 struct __attribute__ ((aligned (8))) s { char c; };
4847 struct t { char c; struct s s; };
4848 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4850 [emacs_cv_struct_alignment=yes],
4851 [emacs_cv_struct_alignment=no])])
4852 if test "$emacs_cv_struct_alignment" = yes; then
4853 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4854 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4855 structure to an N-byte boundary.])
4858 if test "${GNU_MALLOC}" = "yes" ; then
4859 AC_DEFINE(GNU_MALLOC, 1,
4860 [Define to 1 if you want to use the GNU memory allocator.])
4864 if test "${REL_ALLOC}" = "yes" ; then
4865 AC_DEFINE(REL_ALLOC, 1,
4866 [Define REL_ALLOC if you want to use the relocating allocator for
4869 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4871 AC_SUBST(RALLOC_OBJ)
4873 if test "$opsys" = "cygwin"; then
4874 CYGWIN_OBJ="sheap.o cygw32.o"
4875 ## Cygwin differs because of its unexec().
4877 POST_ALLOC_OBJ=lastfile.o
4878 elif test "$opsys" = "mingw32"; then
4881 POST_ALLOC_OBJ=lastfile.o
4884 PRE_ALLOC_OBJ=lastfile.o
4887 AC_SUBST(CYGWIN_OBJ)
4888 AC_SUBST(PRE_ALLOC_OBJ)
4889 AC_SUBST(POST_ALLOC_OBJ)
4891 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4892 dnl verbatim defined above. The tricky name is apropos, as this hack
4893 dnl makes Fortify go sour!
4894 AH_VERBATIM([FORTIFY_SOUR],
4895 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4896 The workaround disables some useful run-time checking, so it
4897 should be conditional to the platforms with the performance bug.
4898 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4899 #if defined __APPLE__ && defined __GNUC__
4900 # ifndef _DONT_USE_CTYPE_INLINE_
4901 # define _DONT_USE_CTYPE_INLINE_
4903 # ifndef _FORTIFY_SOURCE
4904 # define _FORTIFY_SOURCE 0
4909 # If user asks to omit features, disable optional features that gnulib
4910 # might otherwise enable.
4911 if test "$with_features" = no && test "$enable_acl" != yes; then
4915 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4916 # it temporarily reverts them to their pre-pkg-config values,
4917 # because gnulib needs to work with both src (which uses the
4918 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4919 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4920 # and it therefore needs to run in an environment where LIBS does not
4921 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4922 # for some package unrelated to lib-src.
4925 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4926 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4927 gl_ASSERT_NO_GNULIB_POSIXCHECK
4928 gl_ASSERT_NO_GNULIB_TESTS
4933 if test "${opsys}" = "mingw32"; then
4934 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4935 # Remove unneeded switches from the value of CC that goes to Makefiles
4936 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4940 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4942 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4945 ## The -headerpad option tells ld (see man page) to leave room at the
4946 ## end of the header for adding load commands. Needed for dumping.
4947 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4948 ## architecture (where they are 78 bytes each). The actual number of
4949 ## load commands added is not consistent but normally ranges from
4950 ## about 14 to about 34. Setting it high gets us plenty of slop and
4951 ## only costs about 1.5K of wasted binary space.
4952 headerpad_extra=1000
4953 if test "$HAVE_NS" = "yes"; then
4954 libs_nsgui="-framework AppKit"
4955 if test "$NS_IMPL_COCOA" = "yes"; then
4956 libs_nsgui="$libs_nsgui -framework IOKit"
4961 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4963 ## This is here because src/Makefile.in did some extra fiddling around
4964 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4965 ## LD_SWITCH_SYSTEM_TEMACS instead,
4966 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4967 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4970 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4971 ## find X at run-time.
4972 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4973 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4974 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4975 ## had different values in configure (in ac_link) and src/Makefile.in.
4976 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4977 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4980 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4981 case "$canonical" in
4982 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4983 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4987 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4989 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4992 if test x$ac_enable_profiling != x ; then
4994 *freebsd | gnu-linux) ;;
4995 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4999 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5001 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5003 ## Common for all window systems
5004 if test "$window_system" != "none"; then
5005 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5006 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5007 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5010 AC_SUBST(WINDOW_SYSTEM_OBJ)
5012 AH_TOP([/* GNU Emacs site configuration template file.
5014 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
5015 Free Software Foundation, Inc.
5017 This file is part of GNU Emacs.
5019 GNU Emacs is free software: you can redistribute it and/or modify
5020 it under the terms of the GNU General Public License as published by
5021 the Free Software Foundation, either version 3 of the License, or
5022 (at your option) any later version.
5024 GNU Emacs is distributed in the hope that it will be useful,
5025 but WITHOUT ANY WARRANTY; without even the implied warranty of
5026 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5027 GNU General Public License for more details.
5029 You should have received a copy of the GNU General Public License
5030 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5033 /* No code in Emacs #includes config.h twice, but some bits of code
5034 intended to work with other packages as well (like gmalloc.c)
5035 think they can include it as many times as they like. */
5036 #ifndef EMACS_CONFIG_H
5037 #define EMACS_CONFIG_H
5040 AH_BOTTOM([#include <conf_post.h>
5042 #endif /* EMACS_CONFIG_H */
5051 #### Report on what we decided to do.
5052 #### Report GTK as a toolkit, even if it doesn't use Xt.
5053 #### It makes printing result more understandable as using GTK sets
5054 #### toolkit_scroll_bars to yes by default.
5055 if test "${HAVE_GTK}" = "yes"; then
5056 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5059 if test $USE_ACL -ne 0; then
5060 ACL_SUMMARY="yes $LIB_ACL"
5066 Configured for \`${canonical}'.
5068 Where should the build process find the source code? ${srcdir}
5069 What compiler should emacs be built with? ${CC} ${CFLAGS}
5070 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5071 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5072 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5073 What window system should Emacs use? ${window_system}
5074 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5076 if test -n "${x_includes}"; then
5077 echo " Where do we find X Windows header files? ${x_includes}"
5079 echo " Where do we find X Windows header files? Standard dirs"
5081 if test -n "${x_libraries}"; then
5082 echo " Where do we find X Windows libraries? ${x_libraries}"
5084 echo " Where do we find X Windows libraries? Standard dirs"
5088 emacs_config_features=
5089 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5090 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5094 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5095 *) eval val=\${HAVE_$opt} ;;
5097 test x"$val" = xno && continue
5098 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5101 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5102 [Summary of some of the main features enabled by configure.])
5104 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5105 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5106 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5107 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5108 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5109 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5110 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5111 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5113 echo " Does Emacs support sound? ${HAVE_SOUND}"
5115 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5116 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5117 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5118 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5119 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5120 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5121 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5122 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5123 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5125 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5126 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5127 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5128 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5129 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5131 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5133 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
5134 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
5135 echo " Does xwidgets support gobject introspection? ${HAVE_GIR}"
5138 if test -n "${EMACSDATA}"; then
5139 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5141 if test -n "${EMACSDOC}"; then
5142 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5147 if test "$HAVE_NS" = "yes"; then
5149 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5150 The installed application will go to nextstep/Emacs.app and can be
5151 run or moved from there."
5152 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5153 echo "The application will be fully self-contained."
5155 echo "The lisp resources for the application will be installed under ${prefix}.
5156 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5157 to run if these resources are not installed."
5162 if test "${opsys}" = "cygwin"; then
5164 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5170 # Remove any trailing slashes in these variables.
5171 [test "${prefix}" != NONE &&
5172 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5173 test "${exec_prefix}" != NONE &&
5174 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5176 if test "$HAVE_NS" = "yes"; then
5177 if test "$NS_IMPL_GNUSTEP" = yes; then
5178 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5179 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5180 ns_check_file=Resources/Info-gnustep.plist
5182 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5183 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5184 ns_check_file=Contents/Info.plist
5186 AC_SUBST(ns_check_file)
5189 dnl config.status treats $srcdir specially, so I think this is ok...
5190 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5192 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5193 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5194 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5195 dnl (else you get "no `Makefile.am' found for any configure output").
5196 dnl This will work, but you get a config.status that is not quite right
5197 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5198 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5199 dnl it seems better to just live with the duplication.
5200 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5202 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5203 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5204 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5205 leim/Makefile nextstep/Makefile nt/Makefile])
5207 dnl test/ is not present in release tarfiles.
5208 opt_makefile=test/automated/Makefile
5210 if test -f "$srcdir/$opt_makefile.in"; then
5211 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5212 dnl Again, it's best not to use a variable. Though you can add
5213 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5214 AC_CONFIG_FILES([test/automated/Makefile])
5218 dnl The admin/ directory used to be excluded from tarfiles.
5219 if test -d $srcdir/admin; then
5220 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5221 AC_CONFIG_FILES([admin/unidata/Makefile])
5222 AC_CONFIG_FILES([admin/grammars/Makefile])
5226 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5228 AC_SUBST(SUBDIR_MAKEFILES_IN)
5230 dnl You might wonder (I did) why epaths.h is generated by running make,
5231 dnl rather than just letting configure generate it from epaths.in.
5232 dnl One reason is that the various paths are not fully expanded (see above);
5233 dnl eg gamedir=${prefix}/var/games/emacs.
5234 dnl Secondly, the GNU Coding standards require that one should be able
5235 dnl to run `make prefix=/some/where/else' and override the values set
5236 dnl by configure. This also explains the `move-if-change' test and
5237 dnl the use of force in the `epaths-force' rule in Makefile.in.
5238 AC_CONFIG_COMMANDS([src/epaths.h], [
5239 if test "${opsys}" = "mingw32"; then
5240 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5242 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5243 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5244 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5246 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5247 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5249 AC_CONFIG_COMMANDS([src/.gdbinit], [
5250 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5251 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5255 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5256 dnl See comments for etc-refcards-emacsver.tex.
5257 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5258 dnl it is not quite the same. But we are generating in $srcdir.
5259 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5260 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5261 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5264 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5265 dnl then a directory etc/refcards is created in the build directory,
5266 dnl which is probably harmless, but confusing (in out-of-tree builds).
5267 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5268 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5269 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5270 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5271 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5276 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])