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 in Emacs buffers])
379 ## For the times when you want to build Emacs but don't have
380 ## a suitable makeinfo, and can live without the manuals.
381 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
382 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
384 ## This might be a 'configure' arg.
385 AC_SUBST([ACLOCAL_PATH])
387 ## Makefile.in needs the cache file name.
390 ## This is an option because I do not know if all info/man support
391 ## compressed files, nor how to test if they do so.
392 OPTION_DEFAULT_ON([compress-install],
393 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
394 make GZIP_PROG= install])
396 AC_ARG_WITH(gameuser,dnl
397 [AS_HELP_STRING([--with-gameuser=USER_OR_GROUP],
398 [user for shared game score files.
399 An argument prefixed by ':' specifies a group instead.])])
402 case ${with_gameuser} in
405 AC_MSG_CHECKING([whether a 'games' user exists])
406 if id -u games >/dev/null 2>&1; then
413 :*) gamegroup=`echo "${with_gameuser}" | sed -e "s/://"` ;;
414 *) gameuser=${with_gameuser} ;;
417 AC_ARG_WITH([gnustep-conf],dnl
418 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
419 [name of GNUstep configuration file to use on systems where the command
420 'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or
421 /etc/GNUstep/GNUstep.conf])])
422 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
423 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
424 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
425 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
427 AC_ARG_ENABLE(ns-self-contained,
428 [AS_HELP_STRING([--disable-ns-self-contained],
429 [disable self contained build under NeXTstep])],
430 EN_NS_SELF_CONTAINED=$enableval,
431 EN_NS_SELF_CONTAINED=yes)
433 AC_ARG_ENABLE(locallisppath,
434 [AS_HELP_STRING([--enable-locallisppath=PATH],
435 [directories Emacs should search for lisp files specific
437 if test "${enableval}" = "no"; then
439 elif test "${enableval}" != "yes"; then
440 locallisppath=${enableval}
443 AC_ARG_ENABLE(checking,
444 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
445 [enable expensive run-time checks. With LIST,
446 enable only specific categories of checks.
447 Categories are: all,yes,no.
448 Flags are: stringbytes, stringoverrun, stringfreelist,
449 xmallocoverrun, conslist, glyphs])],
450 [ac_checking_flags="${enableval}"],[])
451 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
452 for check in $ac_checking_flags
455 # these set all the flags to specific states
456 yes) ac_enable_checking=1 ;;
457 no) ac_enable_checking= ;
458 ac_gc_check_stringbytes= ;
459 ac_gc_check_string_overrun= ;
460 ac_gc_check_string_free_list= ;
461 ac_xmalloc_overrun= ;
462 ac_gc_check_cons_list= ;
464 all) ac_enable_checking=1 ;
465 ac_gc_check_stringbytes=1 ;
466 ac_gc_check_string_overrun=1 ;
467 ac_gc_check_string_free_list=1 ;
468 ac_xmalloc_overrun=1 ;
469 ac_gc_check_cons_list=1 ;
471 # these enable particular checks
472 stringbytes) ac_gc_check_stringbytes=1 ;;
473 stringoverrun) ac_gc_check_string_overrun=1 ;;
474 stringfreelist) ac_gc_check_string_free_list=1 ;;
475 xmallocoverrun) ac_xmalloc_overrun=1 ;;
476 conslist) ac_gc_check_cons_list=1 ;;
477 glyphs) ac_glyphs_debug=1 ;;
478 *) AC_MSG_ERROR(unknown check category $check) ;;
483 if test x$ac_enable_checking != x ; then
484 AC_DEFINE(ENABLE_CHECKING, 1,
485 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
487 if test x$ac_gc_check_stringbytes != x ; then
488 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
489 [Define this temporarily to hunt a bug. If defined, the size of
490 strings is redundantly recorded in sdata structures so that it can
491 be compared to the sizes recorded in Lisp strings.])
493 if test x$ac_gc_check_string_overrun != x ; then
494 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
495 [Define this to check for short string overrun.])
497 if test x$ac_gc_check_string_free_list != x ; then
498 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
499 [Define this to check the string free list.])
501 if test x$ac_xmalloc_overrun != x ; then
502 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
503 [Define this to check for malloc buffer overrun.])
505 if test x$ac_gc_check_cons_list != x ; then
506 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
507 [Define this to check for errors in cons list.])
509 if test x$ac_glyphs_debug != x ; then
510 AC_DEFINE(GLYPH_DEBUG, 1,
511 [Define this to enable glyphs debugging code.])
514 AC_ARG_ENABLE(check-lisp-object-type,
515 [AS_HELP_STRING([--enable-check-lisp-object-type],
516 [enable compile time checks for the Lisp_Object data type.
517 This is useful for development for catching certain types of bugs.])],
518 if test "${enableval}" != "no"; then
519 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
520 [Define this to enable compile time checks for the Lisp_Object data type.])
524 dnl The name of this option is unfortunate. It predates, and has no
525 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
526 dnl Actually, it stops it working.
527 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
528 AC_ARG_ENABLE(profiling,
529 [AS_HELP_STRING([--enable-profiling],
530 [build emacs with low-level, gprof profiling support.
531 Mainly useful for debugging Emacs itself. May not work on
532 all platforms. Stops profiler.el working.])],
533 [ac_enable_profiling="${enableval}"],[])
534 if test x$ac_enable_profiling != x ; then
535 PROFILING_CFLAGS="-DPROFILING=1 -pg"
539 AC_SUBST(PROFILING_CFLAGS)
541 AC_ARG_ENABLE(autodepend,
542 [AS_HELP_STRING([--enable-autodepend],
543 [automatically generate dependencies to .h-files.
544 Requires gcc, enabled if found.])],
545 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
547 AC_ARG_ENABLE(gtk-deprecation-warnings,
548 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
549 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
550 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
552 dnl This used to use changequote, but, apart from `changequote is evil'
553 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
554 dnl the great gob of text. Thus it's not processed for possible expansion.
555 dnl Just make sure the brackets remain balanced.
557 dnl Since Emacs can't find matching pairs of quotes, boundaries are
558 dnl indicated by comments.
562 ### If you add support for a new configuration, add code to this
563 ### switch statement to recognize your configuration name and select
564 ### the appropriate opsys.
566 ### As far as handling version numbers on operating systems is
567 ### concerned, make sure things will fail in a fixable way. If
568 ### /etc/MACHINES doesn't say anything about version numbers, be
569 ### prepared to handle anything reasonably. If version numbers
570 ### matter, be sure /etc/MACHINES says something about it.
573 case "${canonical}" in
575 ## GNU/Linux and similar ports
590 ## FreeBSD kernel + glibc based userland
601 *-*-openbsd* | *-*-mirbsd* )
605 ## Apple Darwin / Mac OS X
607 case "${canonical}" in
608 *-apple-darwin[0-9].*) unported=yes ;;
609 i[3456]86-* | x86_64-* ) ;;
613 ## Use fink packages if available.
614 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
615 ## if test -d /sw/include && test -d /sw/lib; then
616 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
617 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
626 ## HP 9000 series 700 and 800, running HP/UX
630 hppa*-hp-hpux1[1-9]* )
632 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
636 rs6000-ibm-aix4.[23]* )
639 powerpc-ibm-aix4.[23]* )
642 rs6000-ibm-aix[56]* )
645 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
649 ## Silicon Graphics machines
653 # Without defining _LANGUAGE_C, things get masked out in the headers
654 # so that, for instance, grepping for `free' in stdlib.h fails and
655 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
656 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
661 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
662 | x86_64-*-solaris2* | x86_64-*-sunos5*)
663 case "${canonical}" in
665 amd64-*-*|x86_64-*-*) ;;
669 case "${canonical}" in
670 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
672 emacs_check_sunpro_c=yes
674 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
675 ## Note that Emacs 23.1's NEWS said the following would be dropped.
676 *-sunos5.6* | *-solaris2.6* )
680 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
681 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
683 emacs_check_sunpro_c=yes
686 ## Watch out for a compiler that we know will not work.
687 case "${canonical}" in
688 *-solaris* | *-sunos5* )
689 if [ "x$CC" = x/usr/ucb/cc ]; then
690 ## /usr/ucb/cc doesn't work;
691 ## we should find some other compiler that does work.
699 ## Intel 386 machines where we don't care about the manufacturer.
701 case "${canonical}" in
702 *-darwin* ) opsys=darwin ;;
705 # MinGW overrides and adds some system headers in nt/inc.
706 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
708 *-sysv4.2uw* ) opsys=unixware ;;
709 *-sysv5uw* ) opsys=unixware ;;
710 *-sysv5OpenUNIX* ) opsys=unixware ;;
711 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
717 case "${canonical}" in
720 # MinGW overrides and adds some system headers in nt/inc.
721 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
723 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
732 ### If the code above didn't choose an operating system, just choose
733 ### an operating system based on the configuration name. You really
734 ### only want to use this when you have no idea what the right
735 ### operating system is; if you know what operating systems a machine
736 ### runs, it's cleaner to make it explicit in the case statement
738 if test x"${opsys}" = x; then
739 case "${canonical}" in
740 *-gnu* ) opsys=gnu ;;
750 if test $unported = yes; then
751 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
752 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
753 Check `etc/MACHINES' for recognized configuration names.])
756 #### Choose a compiler.
758 dnl Don't bother to test for C89.
759 AC_DEFUN([_AC_PROG_CC_C89], [$2])
761 dnl Sets GCC=yes if using gcc.
762 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
763 if test -n "$XCRUN"; then
764 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
765 test -n "$AR" && export AR
768 dnl Emacs needs C99 or later.
773 if test x$GCC = xyes; then
774 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
776 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
779 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
780 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
781 dnl that clash with MinGW.
782 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
784 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
785 AC_DEFUN([gl_CRYPTO_CHECK])
786 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
787 # as we don't use them.
788 AC_DEFUN([gl_FCNTL_O_FLAGS])
790 # Initialize gnulib right after choosing the compiler.
791 dnl Amongst other things, this sets AR and ARFLAGS.
794 if test "$ac_test_CFLAGS" != set; then
795 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
796 # if -g3 works and the user does not specify CFLAGS.
797 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
800 emacs_g3_CFLAGS='-g3';;
802 emacs_g3_CFLAGS='-g3 -O2';;
806 if test -n "$emacs_g3_CFLAGS"; then
807 emacs_save_CFLAGS=$CFLAGS
808 CFLAGS=$emacs_g3_CFLAGS
809 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
810 [emacs_cv_prog_cc_g3],
811 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
812 [emacs_cv_prog_cc_g3=yes],
813 [emacs_cv_prog_cc_g3=no])])
814 if test $emacs_cv_prog_cc_g3 != yes; then
815 CFLAGS=$emacs_save_CFLAGS
817 if test $opsys = mingw32; then
818 CFLAGS="$CFLAGS -gdwarf-2"
825 # No optimization flag was inferred for this non-GCC compiler.
826 # Try -O. This is needed for xlc on AIX; see Bug#14258.
827 emacs_save_CFLAGS=$CFLAGS
828 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
830 AC_CACHE_CHECK([whether $CC accepts -O],
831 [emacs_cv_prog_cc_o],
832 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
833 [emacs_cv_prog_cc_o=yes],
834 [emacs_cv_prog_cc_o=no])])
835 if test $emacs_cv_prog_cc_o != yes; then
836 CFLAGS=$emacs_save_CFLAGS
841 AC_ARG_ENABLE([gcc-warnings],
842 [AS_HELP_STRING([--enable-gcc-warnings],
843 [turn on lots of GCC warnings/errors. This is intended for
844 developers, and may generate false alarms when used
845 with older or non-GNU development tools.])],
848 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
850 gl_gcc_warnings=$enableval],
854 # clang is unduly picky about some things.
855 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
862 [emacs_cv_clang=yes],
863 [emacs_cv_clang=no])])
865 # When compiling with GCC, prefer -isystem to -I when including system
866 # include files, to avoid generating useless diagnostics for the files.
867 if test "$gl_gcc_warnings" != yes; then
869 if test "$emacs_cv_clang" = yes
871 # Turn off some warnings if supported.
872 gl_WARN_ADD([-Wno-switch])
873 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
874 gl_WARN_ADD([-Wno-pointer-sign])
875 gl_WARN_ADD([-Wno-string-plus-int])
880 # This, $nw, is the list of warnings we disable.
883 case $with_x_toolkit in
884 lucid | athena | motif)
885 # Old toolkits mishandle 'const'.
886 nw="$nw -Wwrite-strings"
889 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
892 AC_SUBST([WERROR_CFLAGS])
894 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
895 nw="$nw -Woverlength-strings" # Not a problem these days
896 nw="$nw -Wformat-nonliteral" # we do this a lot
897 nw="$nw -Wvla" # Emacs uses <vla.h>.
898 nw="$nw -Wswitch-default" # Too many warnings for now
899 nw="$nw -Winline" # OK to ignore 'inline'
900 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
901 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
902 # signed overflow has undefined behavior
903 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
904 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
905 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
907 # Emacs doesn't care about shadowing; see
908 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
911 # Emacs's use of alloca inhibits protecting the stack.
912 nw="$nw -Wstack-protector"
914 # Emacs's use of partly-const functions such as Fgnutls_available_p
915 # make this option problematic.
916 nw="$nw -Wsuggest-attribute=const"
918 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
919 # option problematic.
920 nw="$nw -Wsuggest-attribute=pure"
922 # This part is merely for shortening the command line,
923 # since -Wno-FOO needs to be added below regardless.
924 nw="$nw -Wmissing-field-initializers"
926 nw="$nw -Wtype-limits"
927 nw="$nw -Wunused-parameter"
929 if test $emacs_cv_clang = yes; then
930 nw="$nw -Wcast-align"
933 gl_MANYWARN_ALL_GCC([ws])
934 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
938 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
939 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
940 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
941 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
942 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
943 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
944 gl_WARN_ADD([-Wno-format-nonliteral])
946 # More things that clang is unduly picky about.
947 if test $emacs_cv_clang = yes; then
948 gl_WARN_ADD([-Wno-format-extra-args])
949 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
950 gl_WARN_ADD([-Wno-unused-command-line-argument])
951 gl_WARN_ADD([-Wno-unused-value])
954 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
955 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
956 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
957 [/* Enable compile-time and run-time bounds-checking, and some warnings,
958 without upsetting glibc 2.15+. */
959 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
960 && defined __OPTIMIZE__ && __OPTIMIZE__)
961 # define _FORTIFY_SOURCE 2
965 # We use a slightly smaller set of warning options for lib/.
966 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
968 nw="$nw -Wunused-macros"
970 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
971 AC_SUBST([GNULIB_WARN_CFLAGS])
981 AC_ARG_ENABLE(link-time-optimization,
982 [AS_HELP_STRING([--enable-link-time-optimization],
983 [build emacs with link-time optimization.
984 This requires GCC 4.5.0 or later, or clang.
985 (Note that clang support is experimental - see INSTALL.)
986 It also makes Emacs harder to debug, and when we tried it
987 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
988 recommended for typical use.])],
989 if test "${enableval}" != "no"; then
991 if test $emacs_cv_clang = yes; then
992 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
993 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
994 if test -x "$GOLD_PLUGIN"; then
997 elif test x$GCC = xyes; then
998 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
999 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
1000 if test x$CPUS != x; then
1006 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1008 if test -z "$LTO"; then
1012 CFLAGS="$CFLAGS $LTO"
1013 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1014 [ac_lto_supported=yes], [ac_lto_supported=no])
1015 CFLAGS="$old_CFLAGS"
1017 AC_MSG_RESULT([$ac_lto_supported])
1018 if test "$ac_lto_supported" = "yes"; then
1019 CFLAGS="$CFLAGS $LTO"
1020 if test x$emacs_cv_clang = xyes; then
1021 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1022 # WARNING: 'ar --plugin ...' doesn't work without
1023 # command, so plugin name is appended to ARFLAGS.
1024 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1025 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1027 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1028 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1029 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1030 dnl dump core on Fedora 20, so play it safe for now.
1031 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1032 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1037 dnl Prefer silent make output. For verbose output, use
1038 dnl 'configure --disable-silent-rules' or 'make V=1' .
1039 AM_SILENT_RULES([yes])
1040 dnl Port to Automake 1.11.
1041 dnl This section can be removed once we assume Automake 1.14 or later.
1042 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1043 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1045 AM_SUBST_NOTMAKE([AM_V])
1046 AC_SUBST([AM_DEFAULT_V])
1047 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1048 AC_SUBST([AM_DEFAULT_VERBOSITY])
1050 dnl Some other nice autoconf tests.
1051 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1054 dnl if test "x$RANLIB" = x; then
1059 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1060 dnl can be made to directories. This is not relevant for our usage, and
1061 dnl excludes some cases that work fine for us. Eg MS Windows or files
1062 dnl hosted on AFS, both examples where simple links work, but links to
1063 dnl directories fail. We use a cut-down version instead.
1066 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1067 rm -f conf$$ conf$$.file
1069 LN_S_FILEONLY='cp -p'
1071 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1072 dnl random program in the current directory.
1073 if (echo >conf$$.file) 2>/dev/null; then
1074 if ln -s conf$$.file conf$$ 2>/dev/null; then
1075 if test "$opsys" = "mingw32"; then
1076 LN_S_FILEONLY='/bin/ln -s'
1078 LN_S_FILEONLY='ln -s'
1080 elif ln conf$$.file conf$$ 2>/dev/null; then
1081 if test "$opsys" = "mingw32"; then
1082 LN_S_FILEONLY=/bin/ln
1089 rm -f conf$$ conf$$.file
1091 if test "$LN_S_FILEONLY" = "ln -s"; then
1092 AC_MSG_RESULT([yes])
1094 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1097 AC_SUBST(LN_S_FILEONLY)
1100 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1101 dnl doesn't support links to directories, as in "ln file dir". But that
1102 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1103 dnl executables at "make install" time.
1104 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1105 dnl for more details.
1106 if test "$opsys" = "mingw32"; then
1110 dnl On some Debian versions, "install-info" prints irritating messages
1111 dnl "This is not dpkg install-info anymore, but GNU install-info"
1112 dnl if called via an absolute file name.
1113 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1114 dnl Sadly some people may have an old ginstall-info installed on
1115 dnl non-Debian systems, so we can't use this.
1116 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1117 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1119 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1120 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1121 dnl Don't use GZIP, which is used by gzip for additional parameters.
1122 AC_PATH_PROG(GZIP_PROG, gzip)
1124 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1125 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1127 if test $opsys = gnu-linux; then
1128 AC_PATH_PROG(PAXCTL, paxctl,,
1129 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1130 if test "X$PAXCTL" != X; then
1131 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1132 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1133 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1134 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1137 if test "${SETFATTR+set}" != set; then
1138 AC_CACHE_CHECK([for setfattr],
1139 [emacs_cv_prog_setfattr],
1141 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1142 emacs_cv_prog_setfattr=yes
1144 emacs_cv_prog_setfattr=no
1146 if test "$emacs_cv_prog_setfattr" = yes; then
1152 AC_SUBST([SETFATTR])
1156 ## Need makeinfo >= 4.7 (?) to build the manuals.
1157 if test "$MAKEINFO" != "no"; then
1158 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1161 case `($MAKEINFO --version) 2>/dev/null` in
1162 *' (GNU texinfo) '4.[[7-9]]* | \
1163 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1164 *' (GNU texinfo) '[[5-9]]* | \
1165 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1170 ## Makeinfo is unusual. For a released Emacs, the manuals are
1171 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1172 ## therefore in the category of "special tools" not normally required, which
1173 ## configure does not have to check for (eg autoconf itself).
1174 ## In a repository checkout on the other hand, the manuals are not included.
1175 ## So makeinfo is a requirement to build from the repository, and configure
1176 ## should test for it as it does for any other build requirement.
1177 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1178 ## with pre-built manuals, from a repository checkout.
1181 if test "$MAKEINFO" = "no"; then
1183 if test "x${with_makeinfo}" = "xno"; then
1185 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1186 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1187 source tree does not seem to have pre-built manuals in the `info' directory.
1188 Either install a suitable version of makeinfo, or re-run configure
1189 with the `--without-makeinfo' option to build without the manuals.] )
1192 AC_SUBST(HAVE_MAKEINFO)
1194 if test $opsys = mingw32; then
1195 DOCMISC_W32=efaq-w32
1199 AC_SUBST(DOCMISC_W32)
1201 dnl Add our options to ac_link now, after it is set up.
1203 if test x$GCC = xyes; then
1204 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1205 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1207 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1208 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1211 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1212 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1213 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1214 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1215 dnl if not built to support GNU ld.
1217 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1218 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1219 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1220 dnl Eg "make LDFLAGS=... all" could run into problems,
1221 dnl http://bugs.debian.org/684788
1222 dnl * unnecessary, since temacs is the only thing that actually needs it.
1223 dnl Indeed this is where it was originally, prior to:
1224 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1225 late_LDFLAGS="$LDFLAGS"
1226 if test x$GCC = xyes; then
1227 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1229 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1232 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1234 AC_MSG_CHECKING([for -znocombreloc])
1235 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1236 [AC_MSG_RESULT(yes)],
1237 LDFLAGS_NOCOMBRELOC=
1238 [AC_MSG_RESULT(no)])
1240 LDFLAGS="$late_LDFLAGS"
1242 AC_CACHE_CHECK([whether addresses are sanitized],
1243 [emacs_cv_sanitize_address],
1246 [[#ifndef __has_feature
1247 #define __has_feature(f) 0
1249 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1251 error "Addresses are not sanitized.";
1254 [emacs_cv_sanitize_address=yes],
1255 [emacs_cv_sanitize_address=no])])
1257 dnl The function dump-emacs will not be defined and temacs will do
1258 dnl (load "loadup") automatically unless told otherwise.
1259 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1261 your-opsys-here) CANNOT_DUMP=yes ;;
1264 if test "$CANNOT_DUMP" = "yes"; then
1265 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1266 elif test "$emacs_cv_sanitize_address" = yes; then
1267 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1270 AC_SUBST(CANNOT_DUMP)
1273 UNEXEC_OBJ=unexelf.o
1275 # MSDOS uses unexcoff.o
1277 UNEXEC_OBJ=unexaix.o
1283 UNEXEC_OBJ=unexmacosx.o
1286 UNEXEC_OBJ=unexhp9k800.o
1289 UNEXEC_OBJ=unexw32.o
1292 # Use the Solaris dldump() function, called from unexsol.c, to dump
1293 # emacs, instead of the generic ELF dump code found in unexelf.c.
1294 # The resulting binary has a complete symbol table, and is better
1295 # for debugging and other observability tools (debuggers, pstack, etc).
1297 # If you encounter a problem using dldump(), please consider sending
1298 # a message to the OpenSolaris tools-linking mailing list:
1299 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1301 # It is likely that dldump() works with older Solaris too, but this has
1302 # not been tested, so for now this change is for Solaris 10 or newer.
1303 UNEXEC_OBJ=unexsol.o
1310 ## Let `ld' find image libs and similar things in /usr/local/lib.
1311 ## The system compiler, GCC, has apparently been modified to not
1312 ## look there, contrary to what a stock GCC would do.
1313 ### It's not our place to do this. See bug#10313#17.
1314 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1319 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1320 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1324 ### It's not our place to do this. See bug#10313#17.
1325 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1330 ## Han Boetes <han@boetes.org> says this is necessary,
1331 ## otherwise Emacs dumps core on elf systems.
1332 LD_SWITCH_SYSTEM="-Z"
1335 AC_SUBST(LD_SWITCH_SYSTEM)
1337 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1339 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1340 ## which has not been defined yet. When this was handled with cpp,
1341 ## it was expanded to null when configure sourced the s/*.h file.
1342 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1343 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1344 ## (or somesuch), but because it is supposed to go at the _front_
1345 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1346 ## Compare with the gnu-linux case below, which added to the end
1347 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1348 ## LD_SWITCH_SYSTEM_TEMACS.
1351 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1358 AC_CHECK_DECL([__ELF__])
1359 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1360 ## With ELF, make sure that all common symbols get allocated to in the
1361 ## data section. Otherwise, the dump of temacs may miss variables in
1362 ## the shared library that have been initialized. For example, with
1363 ## GNU libc, __malloc_initialized would normally be resolved to the
1364 ## shared library's .bss section, which is fatal.
1365 if test "x$GCC" = "xyes"; then
1366 C_SWITCH_MACHINE="-fno-common"
1368 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1371 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1372 dnl albeit under the mistaken assumption that said file
1373 dnl was no longer used.
1374 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1378 AC_SUBST(C_SWITCH_MACHINE)
1380 AC_SUBST(UNEXEC_OBJ)
1383 ## Some programs in src produce warnings saying certain subprograms
1384 ## are too complex and need a MAXMEM value greater than 2000 for
1385 ## additional optimization. --nils@exp-math.uni-essen.de
1386 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1387 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1388 if test "$opsys" = "mingw32"; then
1389 case "$canonical" in
1390 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1391 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1394 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1395 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1396 AC_SUBST(C_SWITCH_SYSTEM)
1401 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1402 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1404 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1406 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1408 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1410 ## Motif needs -lgen.
1411 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1414 AC_SUBST(LIBS_SYSTEM)
1416 ### Make sure subsequent tests use flags consistent with the build flags.
1418 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1419 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1421 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1424 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1425 AC_DEFUN([AC_TYPE_SIZE_T])
1426 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1427 AC_DEFUN([AC_TYPE_UID_T])
1429 # sqrt and other floating-point functions such as fmod and frexp
1430 # are found in -lm on many systems.
1432 AC_SEARCH_LIBS([sqrt], [m])
1433 if test "X$LIBS" = "X$OLD_LIBS"; then
1436 LIB_MATH=$ac_cv_search_sqrt
1440 dnl Current possibilities handled by sed (aix4-2 -> aix,
1441 dnl gnu-linux -> gnu/linux, etc.):
1442 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1443 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1444 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1451 ## Adding -lm confuses the dynamic linker, so omit it.
1454 freebsd | dragonfly )
1455 SYSTEM_TYPE=berkeley-unix
1457 gnu-linux | gnu-kfreebsd )
1459 hpux10-20 | hpux11 )
1463 SYSTEM_TYPE=windows-nt
1465 dnl NB this may be adjusted below.
1467 SYSTEM_TYPE=berkeley-unix
1471 SYSTEM_TYPE=usg-unix-v
1477 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1478 [The type of system you are compiling for; sets `system-type'.])
1481 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1482 pre_PKG_CONFIG_LIBS=$LIBS
1484 PKG_PROG_PKG_CONFIG(0.9.0)
1486 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1487 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1488 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1489 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1490 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1491 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1493 AC_DEFUN([EMACS_CHECK_MODULES],
1494 [PKG_CHECK_MODULES([$1], [$2],
1495 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1496 m4_default([$3], [HAVE_$1=yes])],
1497 [m4_default([$4], [HAVE_$1=no])])])
1500 if test "${with_sound}" != "no"; then
1501 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1502 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1503 have_sound_header=yes, [], [
1505 #define WIN32_LEAN_AND_MEAN
1506 #include <windows.h>
1509 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1510 AC_MSG_ERROR([OSS sound support requested but not found.])
1512 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1513 # Emulation library used on NetBSD.
1514 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1515 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1516 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1517 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1518 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1522 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1524 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1525 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1526 if test $HAVE_ALSA = yes; then
1527 SAVE_CFLAGS="$CFLAGS"
1529 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1530 LIBS="$ALSA_LIBS $LIBS"
1531 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1532 emacs_alsa_normal=yes,
1533 emacs_alsa_normal=no)
1534 if test "$emacs_alsa_normal" != yes; then
1535 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1536 [[snd_lib_error_set_handler (0);]])],
1537 emacs_alsa_subdir=yes,
1538 emacs_alsa_subdir=no)
1539 if test "$emacs_alsa_subdir" != yes; then
1540 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1542 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1545 CFLAGS="$SAVE_CFLAGS"
1547 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1548 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1549 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1550 elif test "${with_sound}" = "alsa"; then
1551 AC_MSG_ERROR([ALSA sound support requested but not found.])
1553 fi dnl with_sound = alsa|yes
1555 dnl Define HAVE_SOUND if we have sound support. We know it works and
1556 dnl compiles only on the specified platforms. For others, it
1557 dnl probably doesn't make sense to try.
1558 dnl FIXME So surely we should bypass this whole section if not using
1559 dnl one of these platforms?
1560 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1562 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1563 dnl Adjust the --with-sound help text if you change this.
1564 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1565 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1571 AC_SUBST(CFLAGS_SOUND)
1574 dnl checks for header files
1575 AC_CHECK_HEADERS_ONCE(
1580 sys/utsname.h pwd.h utmp.h util.h)
1582 AC_MSG_CHECKING(if personality LINUX32 can be set)
1583 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1584 emacs_cv_personality_linux32=yes,
1585 emacs_cv_personality_linux32=no)
1586 AC_MSG_RESULT($emacs_cv_personality_linux32)
1588 if test $emacs_cv_personality_linux32 = yes; then
1589 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1590 [Define to 1 if personality LINUX32 can be set.])
1593 # Note that Solaris has sys/sysinfo.h which defines struct
1594 # sysinfo as well. To make sure that we're using GNU/Linux
1595 # sysinfo, we explicitly set one of its fields.
1596 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1597 AC_MSG_CHECKING([if Linux sysinfo may be used])
1598 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1599 [[struct sysinfo si;
1602 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1603 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1604 if test $emacs_cv_linux_sysinfo = yes; then
1605 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1606 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1607 [[struct sysinfo si; return si.mem_unit]])],
1608 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1609 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1613 dnl On Solaris 8 there's a compilation warning for term.h because
1614 dnl it doesn't define `bool'.
1615 AC_CHECK_HEADERS(term.h, , , -)
1617 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1619 if test $ac_cv_have_decl_sys_siglist != yes; then
1620 # For Tru64, at least:
1621 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1626 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1627 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1628 #if HAVE_SYS_SOCKET_H
1629 #include <sys/socket.h>
1631 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1632 #if HAVE_SYS_SOCKET_H
1633 #include <sys/socket.h>
1635 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1636 #if HAVE_SYS_SOCKET_H
1637 #include <sys/socket.h>
1640 dnl checks for structure members
1641 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1642 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1643 struct ifreq.ifr_addr,
1644 struct ifreq.ifr_addr.sa_len], , ,
1645 [AC_INCLUDES_DEFAULT
1646 #if HAVE_SYS_SOCKET_H
1647 #include <sys/socket.h>
1653 dnl Check for endianness.
1654 dnl AC_C_BIGENDIAN is done by gnulib.
1656 dnl check for Make feature
1661 dnl check if we have GCC and autodepend is on.
1662 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1663 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1664 SAVE_CFLAGS="$CFLAGS"
1665 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1666 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1667 CFLAGS="$SAVE_CFLAGS"
1668 test -f deps.d || ac_enable_autodepend=no
1670 AC_MSG_RESULT([$ac_enable_autodepend])
1671 if test $ac_enable_autodepend = yes; then
1672 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1673 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1674 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1675 deps_frag=autodeps.mk
1678 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1679 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1680 deps_frag=$srcdir/src/$deps_frag
1683 AC_SUBST_FILE(deps_frag)
1684 AC_SUBST_FILE(lwlib_deps_frag)
1685 AC_SUBST_FILE(oldxmenu_deps_frag)
1687 lisp_frag=$srcdir/src/lisp.mk
1688 AC_SUBST_FILE(lisp_frag)
1691 dnl checks for operating system services
1692 AC_SYS_LONG_FILE_NAMES
1694 #### Choose a window system.
1696 ## We leave window_system equal to none if
1697 ## we end up building without one. Any new window system should
1698 ## set window_system to an appropriate value and add objects to
1699 ## window-system-specific substs.
1703 if test "$no_x" != yes; then
1707 LD_SWITCH_X_SITE_RPATH=
1708 if test "${x_libraries}" != NONE; then
1709 if test -n "${x_libraries}"; then
1710 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1711 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1713 x_default_search_path=""
1714 x_search_path=${x_libraries}
1715 if test -z "${x_search_path}"; then
1716 x_search_path=/usr/lib
1718 for x_library in `echo ${x_search_path}: | \
1719 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1721 ${x_library}/X11/%L/%T/%N%C%S:\
1722 ${x_library}/X11/%l/%T/%N%C%S:\
1723 ${x_library}/X11/%T/%N%C%S:\
1724 ${x_library}/X11/%L/%T/%N%S:\
1725 ${x_library}/X11/%l/%T/%N%S:\
1726 ${x_library}/X11/%T/%N%S"
1727 if test x"${x_default_search_path}" = x; then
1728 x_default_search_path=${x_search_path}
1730 x_default_search_path="${x_search_path}:${x_default_search_path}"
1734 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1736 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1737 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1740 if test x"${x_includes}" = x; then
1741 bitmapdir=/usr/include/X11/bitmaps
1743 # accumulate include directories that have X11 bitmap subdirectories
1745 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1746 if test -d "${bmd}/X11/bitmaps"; then
1747 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1749 if test -d "${bmd}/bitmaps"; then
1750 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1753 if test ${bmd_acc} != "dummyval"; then
1754 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1759 NS_GNUSTEP_CONFIG=no
1762 tmp_CPPFLAGS="$CPPFLAGS"
1763 tmp_CFLAGS="$CFLAGS"
1764 CPPFLAGS="$CPPFLAGS -x objective-c"
1765 CFLAGS="$CFLAGS -x objective-c"
1768 if test "${with_ns}" != no; then
1769 if test "${opsys}" = darwin; then
1771 ns_appdir=`pwd`/nextstep/Emacs.app
1772 ns_appbindir=${ns_appdir}/Contents/MacOS
1773 ns_appresdir=${ns_appdir}/Contents/Resources
1774 ns_appsrc=Cocoa/Emacs.base
1775 ns_fontfile=macfont.o
1776 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1778 NS_GNUSTEP_CONFIG=yes
1779 GNU_OBJC_CFLAGS=$flags
1780 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1781 elif test -f $GNUSTEP_CONFIG_FILE; then
1783 dnl FIXME sourcing this several times in subshells seems inefficient.
1784 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1785 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1786 dnl I seemed to need these as well with GNUstep-startup 0.25.
1787 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1788 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1789 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1790 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1791 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1792 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1793 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1794 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1795 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1796 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1797 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1798 dnl If they had chosen to either define it or not, we could have
1799 dnl just used AC_CHECK_DECL here.
1800 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1801 emacs_cv_objc_exceptions,
1802 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1803 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1807 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1808 if test $emacs_cv_objc_exceptions = yes; then
1809 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1810 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1811 [Define if GNUstep uses ObjC exceptions.])
1812 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1815 if test $NS_IMPL_GNUSTEP = yes; then
1816 ns_appdir=`pwd`/nextstep/Emacs.app
1817 ns_appbindir=${ns_appdir}
1818 ns_appresdir=${ns_appdir}/Resources
1819 ns_appsrc=GNUstep/Emacs.base
1820 ns_fontfile=nsfont.o
1823 dnl This is only used while we test the NS headers, it gets reset below.
1824 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1825 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1827 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1828 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1829 files are missing or cannot be compiled.])])
1832 if test "${NS_IMPL_COCOA}" = "yes"; then
1833 AC_MSG_CHECKING([for OSX 10.6 or newer])
1834 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1836 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1837 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1840 error "OSX 10.6 or newer required";
1844 ns_osx_have_106=yes,
1846 AC_MSG_RESULT([$ns_osx_have_106])
1848 if test $ns_osx_have_106 = no; then
1849 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1854 AC_SUBST(LIBS_GNUSTEP)
1856 INSTALL_ARCH_INDEP_EXTRA=install-etc
1857 ns_self_contained=no
1860 if test "${HAVE_NS}" = yes; then
1861 if test "$with_toolkit_scroll_bars" = "no"; then
1862 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1865 window_system=nextstep
1866 # set up packaging dirs
1867 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1868 ns_self_contained=yes
1869 prefix=${ns_appresdir}
1870 exec_prefix=${ns_appbindir}
1871 dnl This one isn't really used, only archlibdir is.
1872 libexecdir="\${ns_appbindir}/libexec"
1873 archlibdir="\${ns_appbindir}/libexec"
1874 etcdocdir="\${ns_appresdir}/etc"
1875 etcdir="\${ns_appresdir}/etc"
1876 dnl FIXME maybe set datarootdir instead.
1877 dnl That would also get applications, icons, man.
1878 infodir="\${ns_appresdir}/info"
1879 mandir="\${ns_appresdir}/man"
1880 lispdir="\${ns_appresdir}/lisp"
1881 INSTALL_ARCH_INDEP_EXTRA=
1884 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1886 CFLAGS="$tmp_CFLAGS"
1887 CPPFLAGS="$tmp_CPPFLAGS"
1888 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1889 AC_SUBST(ns_self_contained)
1891 AC_SUBST(NS_OBJC_OBJ)
1902 if test "${with_w32}" != no; then
1905 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1906 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1907 cannot be found.])])
1910 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1913 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1918 if test "${opsys}" = "mingw32"; then
1919 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1920 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1921 #include <windows.h>
1922 #include <usp10.h>]],
1923 [[PIMAGE_NT_HEADERS pHeader;
1924 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1925 [emacs_cv_w32api=yes
1928 AC_MSG_RESULT($emacs_cv_w32api)
1929 if test "${emacs_cv_w32api}" = "no"; then
1930 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1941 if test "${HAVE_W32}" = "yes"; then
1942 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1943 if test "$with_toolkit_scroll_bars" = "no"; then
1944 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
1946 AC_CHECK_TOOL(WINDRES, [windres],
1947 [AC_MSG_ERROR([No resource compiler found.])])
1948 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1949 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1950 EMACSRES="emacs.res"
1951 case "$canonical" in
1952 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1953 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1955 dnl Construct something of the form "24,4,0,0" with 4 components.
1956 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1958 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1959 AC_SUBST(comma_version)
1960 AC_SUBST(comma_space_version)
1961 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1962 if test "${opsys}" = "cygwin"; then
1963 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1964 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1965 # Tell the linker that emacs.res is an object (which we compile from
1966 # the rc file), not a linker script.
1967 W32_RES_LINK="-Wl,emacs.res"
1969 UPDATE_MANIFEST=update-game-score.exe.manifest
1970 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1971 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1972 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1973 W32_RES_LINK="\$(EMACSRES)"
1974 CLIENTRES="emacsclient.res"
1975 CLIENTW="emacsclientw\$(EXEEXT)"
1976 FIRSTFILE_OBJ=firstfile.o
1979 LIBS_ECLIENT="-lcomctl32"
1980 LIB_WSOCK32="-lwsock32"
1981 NTLIB="ntlib.$ac_objext"
1982 XARGS_LIMIT="-s 10000"
1988 AC_SUBST(EMACS_MANIFEST)
1989 AC_SUBST(UPDATE_MANIFEST)
1992 AC_SUBST(W32_RES_LINK)
1993 AC_SUBST(FIRSTFILE_OBJ)
1996 AC_SUBST(LIBS_ECLIENT)
1997 AC_SUBST(LIB_WSOCK32)
1999 AC_SUBST(XARGS_LIMIT)
2001 if test "${HAVE_W32}" = "yes"; then
2006 ## $window_system is now set to the window system we will
2009 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
2010 # Too many warnings for now.
2012 nw="$nw -Wsuggest-attribute=noreturn"
2013 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
2015 gl_WARN_ADD([-Wno-unused-variable])
2016 gl_WARN_ADD([-Wno-unused-but-set-variable])
2017 gl_WARN_ADD([-Wno-unused-but-set-parameter])
2025 case "${window_system}" in
2030 case "${with_x_toolkit}" in
2031 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2032 motif ) USE_X_TOOLKIT=MOTIF ;;
2034 term_header=gtkutil.h
2035 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2036 dnl USE_X_TOOLKIT is set.
2037 USE_X_TOOLKIT=none ;;
2038 gtk2 ) with_gtk2=yes
2039 term_header=gtkutil.h
2040 USE_X_TOOLKIT=none ;;
2041 gtk3 ) with_gtk3=yes
2042 term_header=gtkutil.h
2043 USE_X_TOOLKIT=none ;;
2044 no ) USE_X_TOOLKIT=none ;;
2045 dnl If user did not say whether to use a toolkit, make this decision later:
2046 dnl use the toolkit if we have gtk, or X11R5 or newer.
2047 * ) USE_X_TOOLKIT=maybe ;;
2051 term_header=nsterm.h
2054 term_header=w32term.h
2058 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2059 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2060 if test "$HAVE_XSERVER" = true ||
2061 test -n "$DISPLAY" ||
2062 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2063 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2064 were found. You should install the relevant development files for X
2065 and for the toolkit you want, such as Gtk+ or Motif. Also make
2066 sure you have development files for image handling, i.e.
2067 tiff, gif, jpeg, png and xpm.
2068 If you are sure you want Emacs compiled without X window support, pass
2074 # Does the opsystem file prohibit the use of the GNU malloc?
2075 # Assume not, until told otherwise.
2079 [whether malloc is Doug Lea style],
2080 [emacs_cv_var_doug_lea_malloc],
2081 [emacs_cv_var_doug_lea_malloc=no
2082 dnl Hooks do not work with address sanitization.
2083 if test "$emacs_cv_sanitize_address" != yes; then
2086 [[#include <malloc.h>
2087 static void hook (void) {}]],
2088 [[malloc_set_state (malloc_get_state ());
2089 __after_morecore_hook = hook;
2090 __malloc_initialize_hook = hook;]])],
2091 [emacs_cv_var_doug_lea_malloc=yes])])
2093 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2095 system_malloc=$emacs_cv_sanitize_address
2100 ## darwin ld insists on the use of malloc routines in the System framework.
2101 darwin|mingw32|sol2-10) system_malloc=yes ;;
2102 cygwin) hybrid_malloc=yes;;
2106 if test "${system_malloc}" = "yes"; then
2107 AC_DEFINE([SYSTEM_MALLOC], 1,
2108 [Define to 1 to use the system memory allocator, even if it is not
2112 (The GNU allocators don't work with this system configuration.)"
2114 elif test "$hybrid_malloc" = yes; then
2115 AC_DEFINE(HYBRID_MALLOC, 1,
2116 [Define to use gmalloc before dumping and the system malloc after.])
2118 GNU_MALLOC_reason="only before dumping"
2119 GMALLOC_OBJ=gmalloc.o
2122 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2123 VMLIMIT_OBJ=vm-limit.o
2125 AC_CHECK_HEADERS([sys/vlimit.h])
2126 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2129 [[extern char data_start[]; char ch;]],
2130 [[return data_start < &ch;]])],
2131 [emacs_cv_data_start=yes],
2132 [emacs_cv_data_start=no])])
2133 if test $emacs_cv_data_start = yes; then
2134 AC_DEFINE([HAVE_DATA_START], 1,
2135 [Define to 1 if data_start is the address of the start
2136 of the main data segment.])
2139 AC_SUBST(GMALLOC_OBJ)
2140 AC_SUBST(VMLIMIT_OBJ)
2142 if test "$doug_lea_malloc" = "yes" ; then
2143 if test "$GNU_MALLOC" = yes ; then
2145 (Using Doug Lea's new malloc from the GNU C Library.)"
2147 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2148 [Define to 1 if the system memory allocator is Doug Lea style,
2149 with malloc hooks and malloc_set_state.])
2151 ## Use mmap directly for allocating larger buffers.
2152 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2153 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2154 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2156 mingw32|gnu*) REL_ALLOC=no ;;
2160 if test x"${REL_ALLOC}" = x; then
2161 REL_ALLOC=${GNU_MALLOC}
2164 use_mmap_for_buffers=no
2166 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2170 if test $use_mmap_for_buffers = yes; then
2171 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2175 LIBS="$LIBS_SYSTEM $LIBS"
2177 dnl FIXME replace main with a function we actually want from this library.
2178 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2180 dnl Check for the POSIX thread library.
2182 if test "$opsys" != "mingw32"; then
2183 AC_CHECK_HEADERS_ONCE(pthread.h)
2184 if test "$ac_cv_header_pthread_h"; then
2185 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2186 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2187 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2188 if test "$GMALLOC_OBJ" = gmalloc.o; then
2189 emacs_pthread_function=pthread_atfork
2191 emacs_pthread_function=pthread_kill
2194 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2195 [AC_DEFINE([HAVE_PTHREAD], [1],
2196 [Define to 1 if you have pthread (-lpthread).])
2197 # Some systems optimize for single-threaded programs by default, and
2198 # need special flags to disable these optimizations. For example, the
2199 # definition of 'errno' in <errno.h>.
2202 AC_DEFINE([_REENTRANT], 1,
2203 [Define to 1 if your system requires this in multithreaded code.]);;
2205 AC_DEFINE([_THREAD_SAFE], 1,
2206 [Define to 1 if your system requires this in multithreaded code.]);;
2208 if test "X$LIBS" != "X$OLD_LIBS"; then
2209 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2213 AC_SUBST([LIB_PTHREAD])
2216 dnl Check for need for bigtoc support on IBM AIX
2220 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2222 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2223 *) gdb_cv_bigtoc=-bbigtoc ;;
2226 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2227 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2232 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2233 # is for the tests that follow. We set them back later on.
2235 REAL_CFLAGS="$CFLAGS"
2236 REAL_CPPFLAGS="$CPPFLAGS"
2239 if test "${HAVE_X11}" = "yes"; then
2240 DEFS="$C_SWITCH_X_SITE $DEFS"
2241 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2243 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2244 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2246 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2247 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2248 # but it's more convenient here to set LD_RUN_PATH since this
2249 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2250 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2251 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2255 if test "${opsys}" = "gnu-linux"; then
2256 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2257 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2258 [[XOpenDisplay ("foo");]])],
2259 [xgnu_linux_first_failure=no],
2260 [xgnu_linux_first_failure=yes])
2261 if test "${xgnu_linux_first_failure}" = "yes"; then
2262 OLD_CPPFLAGS="$CPPFLAGS"
2264 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2265 LIBS="$LIBS -b i486-linuxaout"
2266 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2267 [[XOpenDisplay ("foo");]])],
2268 [xgnu_linux_second_failure=no],
2269 [xgnu_linux_second_failure=yes])
2270 if test "${xgnu_linux_second_failure}" = "yes"; then
2271 # If we get the same failure with -b, there is no use adding -b.
2272 # So leave it out. This plays safe.
2275 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2276 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2279 CPPFLAGS=$OLD_CPPFLAGS
2286 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2287 # header files included from there.
2288 AC_MSG_CHECKING(for Xkb)
2289 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2290 #include <X11/XKBlib.h>]],
2291 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2292 emacs_xkb=yes, emacs_xkb=no)
2293 AC_MSG_RESULT($emacs_xkb)
2294 if test $emacs_xkb = yes; then
2295 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2298 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2299 XScreenNumberOfScreen)
2302 if test "${window_system}" = "x11"; then
2303 AC_MSG_CHECKING(X11 version 6)
2304 AC_CACHE_VAL(emacs_cv_x11_version_6,
2305 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2306 [[#if XlibSpecificationRelease < 6
2309 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2310 if test $emacs_cv_x11_version_6 = yes; then
2311 AC_MSG_RESULT(6 or newer)
2312 AC_DEFINE(HAVE_X11R6, 1,
2313 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2314 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2315 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2319 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2320 [Define if you have usable X11R6-style XIM support.])
2324 AC_MSG_RESULT(before 6)
2329 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2331 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2332 if test "${with_rsvg}" != "no"; then
2333 RSVG_REQUIRED=2.11.0
2334 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2336 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2337 AC_SUBST(RSVG_CFLAGS)
2340 if test $HAVE_RSVG = yes; then
2341 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2342 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2343 # Windows loads librsvg dynamically
2344 if test "${opsys}" = "mingw32"; then
2352 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2353 if test "${with_imagemagick}" != "no"; then
2354 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2355 ## 6.8.2 makes Emacs crash; see Bug#13867.
2356 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2357 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2358 AC_SUBST(IMAGEMAGICK_CFLAGS)
2359 AC_SUBST(IMAGEMAGICK_LIBS)
2361 if test $HAVE_IMAGEMAGICK = yes; then
2362 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2365 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2366 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2367 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2377 gtk_term_header=$term_header
2380 if test "${opsys}" != "mingw32"; then
2381 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2384 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2386 dnl Checks for libraries.
2387 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2388 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2389 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2390 AC_MSG_ERROR($GTK_PKG_ERRORS)
2392 if test "$pkg_check_gtk" = "yes"; then
2393 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2394 GTK_OBJ=emacsgtkfixed.o
2395 gtk_term_header=gtkutil.h
2396 USE_GTK_TOOLKIT="GTK3"
2397 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2398 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2399 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2400 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2401 [Define to 1 to disable Glib deprecation warnings.])
2405 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2409 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2412 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2414 dnl Checks for libraries.
2415 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2416 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2417 if test "$pkg_check_gtk" = "no" &&
2418 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2420 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2422 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2429 if test x"$pkg_check_gtk" = xyes; then
2432 CFLAGS="$CFLAGS $GTK_CFLAGS"
2433 LIBS="$GTK_LIBS $LIBS"
2434 dnl Try to compile a simple GTK program.
2435 AC_MSG_CHECKING([whether GTK compiles])
2439 [[/* Check the Gtk and Glib APIs. */
2440 #include <gtk/gtk.h>
2441 #include <glib-object.h>
2443 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2447 GtkSettings *gs = 0;
2448 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2449 strict C prohibits this. Use gtk_main_iteration to test that the
2450 libraries are there. */
2451 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2452 0, 0, 0, G_CALLBACK (callback), 0))
2453 gtk_main_iteration ();
2456 AC_MSG_RESULT([$GTK_COMPILES])
2457 if test "${GTK_COMPILES}" != "yes"; then
2459 if test "$USE_X_TOOLKIT" != "maybe"; then
2460 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2463 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2465 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2466 GTK_OBJ="gtkutil.o $GTK_OBJ"
2467 term_header=$gtk_term_header
2469 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2472 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2473 closing open displays. This is no problem if you just use
2474 one display, but if you use more than one and close one of them
2484 if test "${HAVE_GTK}" = "yes"; then
2486 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2487 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2488 if test "$with_toolkit_scroll_bars" != no; then
2489 with_toolkit_scroll_bars=yes
2492 dnl Check if we have the old file selection dialog declared and
2493 dnl in the link library. In 2.x it may be in the library,
2494 dnl but not declared if deprecated featured has been selected out.
2495 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2496 HAVE_GTK_FILE_SELECTION=no
2497 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2498 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2499 #include <gtk/gtk.h>])
2500 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2501 AC_CHECK_FUNCS(gtk_file_selection_new)
2504 dnl Same as above for gtk_handle_box.
2505 HAVE_GTK_HANDLE_BOX=no
2506 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2507 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2508 #include <gtk/gtk.h>])
2509 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2510 AC_CHECK_FUNCS(gtk_handle_box_new)
2513 dnl Same as above for gtk_tearoff_menu_item.
2514 HAVE_GTK_TEAROFF_MENU_ITEM=no
2515 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2516 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2517 #include <gtk/gtk.h>])
2518 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2519 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2522 dnl Check for functions introduced in 2.14 and later.
2523 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2524 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2525 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2526 gtk_orientable_set_orientation \
2527 gtk_window_set_has_resize_grip)
2529 term_header=gtkutil.h
2537 if test "${with_xwidgets}" != "no" && test "${USE_GTK_TOOLKIT}" = "GTK3" && test "$window_system" != "none" ; then
2538 echo "xwidgets enabled, checking webkit, and others"
2540 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2542 dnl - enable only if GTK3 is enabled, and we have a window system
2543 dnl - check for webkit and gobject introspection
2546 #webkit version for gtk3.
2547 WEBKIT_REQUIRED=1.4.0
2548 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2550 if test "${with_gtk3}" = "yes"; then
2551 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2552 if test $HAVE_WEBKIT = yes; then
2553 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2558 GIR_MODULES="gobject-introspection-1.0 >= $GIR_REQUIRED"
2559 PKG_CHECK_MODULES(GIR, $GIR_MODULES, HAVE_GIR=yes, HAVE_GIR=no)
2560 if test $HAVE_GIR = yes; then
2561 AC_DEFINE(HAVE_GIR, 1, [Define to 1 if you have GIR support.])
2570 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2571 dnl other platforms.
2574 if test "${with_dbus}" = "yes"; then
2575 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2576 if test "$HAVE_DBUS" = yes; then
2577 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2578 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2579 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2582 LIBS="$LIBS $DBUS_LIBS"
2583 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2584 dbus_type_is_valid \
2585 dbus_validate_bus_name \
2586 dbus_validate_path \
2587 dbus_validate_interface \
2588 dbus_validate_member)
2593 AC_SUBST(DBUS_CFLAGS)
2597 dnl GSettings has been tested under GNU/Linux only.
2599 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2600 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2601 if test "$HAVE_GSETTINGS" = "yes"; then
2603 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2605 LIBS="$LIBS $GSETTINGS_LIBS"
2606 AC_MSG_CHECKING([whether GSettings is in gio])
2609 [[/* Check that gsettings really is present. */
2610 #include <glib-object.h>
2611 #include <gio/gio.h>
2614 GSettings *settings;
2615 GVariant *val = g_settings_get_value (settings, "");
2617 [], HAVE_GSETTINGS=no)
2618 AC_MSG_RESULT([$HAVE_GSETTINGS])
2620 if test "$HAVE_GSETTINGS" = "yes"; then
2621 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2622 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2623 SETTINGS_LIBS="$GSETTINGS_LIBS"
2630 dnl GConf has been tested under GNU/Linux only.
2631 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2633 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2634 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2635 if test "$HAVE_GCONF" = yes; then
2636 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2637 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2638 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2639 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2643 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2644 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2645 if test "$HAVE_GOBJECT" = "yes"; then
2646 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2647 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2649 SAVE_CFLAGS="$CFLAGS"
2651 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2652 LIBS="$SETTINGS_LIBS $LIBS"
2653 CFLAGS="$SAVE_CFLAGS"
2656 AC_SUBST(SETTINGS_CFLAGS)
2657 AC_SUBST(SETTINGS_LIBS)
2660 dnl SELinux is available for GNU/Linux only.
2663 if test "${with_selinux}" = "yes"; then
2664 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2665 if test "$HAVE_LIBSELINUX" = yes; then
2666 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2667 LIBSELINUX_LIBS=-lselinux
2670 AC_SUBST(LIBSELINUX_LIBS)
2673 if test "${with_gnutls}" = "yes" ; then
2674 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2675 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2676 if test "${HAVE_GNUTLS}" = "yes"; then
2677 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2678 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2679 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2682 # Windows loads GnuTLS dynamically
2683 if test "${opsys}" = "mingw32"; then
2688 AC_SUBST(LIBGNUTLS_LIBS)
2689 AC_SUBST(LIBGNUTLS_CFLAGS)
2694 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2695 dnl a particular library. This doesn't make much sense?
2696 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2697 with_file_notification=no
2700 dnl MS Windows native file monitor is available for mingw32 only.
2701 case $with_file_notification,$opsys in
2702 w32,* | yes,mingw32)
2703 AC_CHECK_HEADER(windows.h)
2704 if test "$ac_cv_header_windows_h" = yes ; then
2705 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2706 NOTIFY_OBJ=w32notify.o
2707 NOTIFY_SUMMARY="yes (w32)"
2711 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2712 dnl has been added in glib 2.24. It has been tested under
2713 dnl GNU/Linux only. We take precedence over inotify, but this makes
2714 dnl only sense when glib has been compiled with inotify support. How
2716 case $with_file_notification,$NOTIFY_OBJ in
2718 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2719 if test "$HAVE_GFILENOTIFY" = "yes"; then
2720 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2721 NOTIFY_OBJ=gfilenotify.o
2722 NOTIFY_SUMMARY="yes -lgio (gfile)"
2726 dnl inotify is only available on GNU/Linux.
2727 case $with_file_notification,$NOTIFY_OBJ in
2729 AC_CHECK_HEADER(sys/inotify.h)
2730 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2731 AC_CHECK_FUNC(inotify_init1)
2732 if test "$ac_cv_func_inotify_init1" = yes; then
2733 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2734 NOTIFY_OBJ=inotify.o
2735 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2740 case $with_file_notification,$NOTIFY_OBJ in
2741 yes,* | no,* | *,?*) ;;
2742 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2745 if test -n "$NOTIFY_OBJ"; then
2746 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2748 AC_SUBST(NOTIFY_OBJ)
2749 AC_SUBST(GFILENOTIFY_CFLAGS)
2750 AC_SUBST(GFILENOTIFY_LIBS)
2752 dnl Do not put whitespace before the #include statements below.
2753 dnl Older compilers (eg sunos4 cc) choke on it.
2756 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2757 if test "$with_xaw3d" != no; then
2758 AC_CACHE_VAL(emacs_cv_xaw3d,
2759 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2760 #include <X11/Intrinsic.h>
2761 #include <X11/Xaw3d/Simple.h>]],
2763 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2764 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2765 emacs_cv_xaw3d=no)])
2769 if test $emacs_cv_xaw3d = yes; then
2770 AC_MSG_CHECKING(for xaw3d)
2771 AC_MSG_RESULT([yes; using Lucid toolkit])
2775 AC_DEFINE(HAVE_XAW3D, 1,
2776 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2778 AC_MSG_CHECKING(for xaw3d)
2780 AC_MSG_CHECKING(for libXaw)
2781 AC_CACHE_VAL(emacs_cv_xaw,
2782 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2783 #include <X11/Intrinsic.h>
2784 #include <X11/Xaw/Simple.h>]],
2788 if test $emacs_cv_xaw = yes; then
2789 AC_MSG_RESULT([yes; using Lucid toolkit])
2792 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2793 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2795 AC_MSG_ERROR([No X toolkit could be found.
2796 If you are sure you want Emacs compiled without an X toolkit, pass
2798 to configure. Otherwise, install the development libraries for the toolkit
2799 that you want to use (e.g. Gtk+) and re-run configure.])
2804 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2808 if test "${USE_X_TOOLKIT}" != "none"; then
2809 AC_MSG_CHECKING(X11 toolkit version)
2810 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2811 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2812 [[#if XtSpecificationRelease < 6
2815 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2816 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2817 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2818 AC_MSG_RESULT(6 or newer)
2819 AC_DEFINE(HAVE_X11XTR6, 1,
2820 [Define to 1 if you have the X11R6 or newer version of Xt.])
2821 LIBXTR6="-lSM -lICE"
2823 ## Use libw.a along with X11R6 Xt.
2824 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2827 AC_MSG_RESULT(before 6)
2830 dnl If using toolkit, check whether libXmu.a exists.
2831 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2833 if test x$HAVE_X11XTR6 = xyes; then
2834 OTHERLIBS='-lXt -lSM -lICE'
2838 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2839 if test "X$LIBS" != "X$OLDLIBS"; then
2840 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2843 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2849 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2850 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2851 if test -d /usr/include/openmotif; then
2852 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2853 emacs_cv_openmotif=yes
2854 case "$canonical" in
2855 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2856 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2859 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2862 emacs_cv_openmotif=no
2864 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2865 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2866 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2869 Motif version prior to 2.1.
2871 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2872 if test $emacs_cv_motif_version_2_1 = yes; then
2873 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2874 if test x$emacs_cv_openmotif = xyes; then
2875 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2878 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2879 # We put this in CFLAGS temporarily to precede other -I options
2880 # that might be in CFLAGS temporarily.
2881 # We put this in CPPFLAGS where it precedes the other -I options.
2882 OLD_CPPFLAGS=$CPPFLAGS
2884 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2885 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2886 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2888 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2889 if test $emacs_cv_lesstif = yes; then
2890 # Make sure this -I option remains in CPPFLAGS after it is set
2891 # back to REAL_CPPFLAGS.
2892 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2893 # have those other -I options anyway. Ultimately, having this
2894 # directory ultimately in CPPFLAGS will be enough.
2895 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2896 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2899 CPPFLAGS=$OLD_CPPFLAGS
2902 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2903 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2906 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2907 dnl using Motif or Xaw3d is available, and unless
2908 dnl --with-toolkit-scroll-bars=no was specified.
2910 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2911 [Define to 1 if we should use toolkit scroll bars.])dnl
2912 USE_TOOLKIT_SCROLL_BARS=no
2913 if test "${with_toolkit_scroll_bars}" != "no"; then
2914 if test "${USE_X_TOOLKIT}" != "none"; then
2915 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2916 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2918 USE_TOOLKIT_SCROLL_BARS=yes
2919 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2920 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2921 USE_TOOLKIT_SCROLL_BARS=yes
2923 elif test "${HAVE_GTK}" = "yes"; then
2924 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2925 USE_TOOLKIT_SCROLL_BARS=yes
2926 elif test "${HAVE_NS}" = "yes"; then
2927 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2928 USE_TOOLKIT_SCROLL_BARS=yes
2929 elif test "${HAVE_W32}" = "yes"; then
2930 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2931 USE_TOOLKIT_SCROLL_BARS=yes
2935 dnl See if XIM is available.
2936 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2937 #include <X11/Xlib.h>
2938 #include <X11/Xresource.h>]],
2939 [[XIMProc callback;]])],
2941 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2944 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2946 if test "${with_xim}" != "no"; then
2947 AC_DEFINE(USE_XIM, 1,
2948 [Define to 1 if we should use XIM, if it is available.])
2952 if test "${HAVE_XIM}" != "no"; then
2954 if test "$GCC" = yes; then
2955 CFLAGS="$CFLAGS --pedantic-errors"
2957 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2958 #include <X11/Xlib.h>
2959 #include <X11/Xresource.h>]],
2965 XPointer *client_data;
2967 /* If we're not using GCC, it's probably not XFree86, and this is
2968 probably right, but we can't use something like --pedantic-errors. */
2969 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2970 char*, XIMProc, XPointer*);
2972 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2974 [emacs_cv_arg6_star=yes])
2975 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2976 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2977 either XPointer or XPointer*.])dnl
2978 if test "$emacs_cv_arg6_star" = yes; then
2979 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2981 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2986 ### Start of font-backend (under any platform) section.
2987 # (nothing here yet -- this is a placeholder)
2988 ### End of font-backend (under any platform) section.
2990 ### Start of font-backend (under X11) section.
2991 if test "${HAVE_X11}" = "yes"; then
2992 ## Use -lXft if available, unless `--with-xft=no'.
2994 if test "x${with_x}" = "xno"; then
2998 if test "$with_xft" != no; then
2999 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
3000 with_xft=$HAVE_FONTCONFIG
3003 if test "x${with_xft}" != "xno"; then
3005 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
3006 ## Because xftfont.c uses XRenderQueryExtension, we also
3007 ## need to link to -lXrender.
3009 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
3010 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
3011 OLD_CPPFLAGS="$CPPFLAGS"
3012 OLD_CFLAGS="$CFLAGS"
3014 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3015 CFLAGS="$CFLAGS $XFT_CFLAGS"
3016 XFT_LIBS="-lXrender $XFT_LIBS"
3017 LIBS="$XFT_LIBS $LIBS"
3018 AC_CHECK_HEADER(X11/Xft/Xft.h,
3019 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3020 [[#include <X11/X.h>]])
3022 if test "${HAVE_XFT}" = "yes"; then
3023 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3025 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3026 fi # "${HAVE_XFT}" = "yes"
3027 CPPFLAGS=$OLD_CPPFLAGS
3030 fi # "$HAVE_XFT" != no
3031 fi # "x${with_xft}" != "xno"
3033 ## We used to allow building with FreeType and without Xft.
3034 ## However, the ftx font backend driver is not in good shape.
3035 if test "$HAVE_XFT" != "yes"; then
3036 dnl For the "Does Emacs use" message at the end.
3040 dnl Strict linkers fail with
3041 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3042 dnl if -lfreetype is not specified.
3043 dnl The following is needed to set FREETYPE_LIBS.
3044 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3046 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3050 if test "${HAVE_FREETYPE}" = "yes"; then
3051 AC_DEFINE(HAVE_FREETYPE, 1,
3052 [Define to 1 if using the freetype and fontconfig libraries.])
3053 if test "${with_libotf}" != "no"; then
3054 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3055 if test "$HAVE_LIBOTF" = "yes"; then
3056 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3057 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3058 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3059 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3060 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3061 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3062 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3066 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3067 dnl Does the new font backend require it, or can it work without it?
3071 if test "${HAVE_LIBOTF}" = yes; then
3072 if test "${with_m17n_flt}" != "no"; then
3073 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3074 if test "$HAVE_M17N_FLT" = "yes"; then
3075 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3086 ### End of font-backend (under X11) section.
3088 AC_SUBST(FREETYPE_CFLAGS)
3089 AC_SUBST(FREETYPE_LIBS)
3090 AC_SUBST(FONTCONFIG_CFLAGS)
3091 AC_SUBST(FONTCONFIG_LIBS)
3092 AC_SUBST(LIBOTF_CFLAGS)
3093 AC_SUBST(LIBOTF_LIBS)
3094 AC_SUBST(M17N_FLT_CFLAGS)
3095 AC_SUBST(M17N_FLT_LIBS)
3097 ### Use -lXpm if available, unless `--with-xpm=no'.
3098 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3099 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3100 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3101 ### LDFLAGS) accordingly.
3104 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3105 if test "${with_xpm}" != "no"; then
3106 SAVE_CPPFLAGS="$CPPFLAGS"
3107 SAVE_LDFLAGS="$LDFLAGS"
3108 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3109 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3110 AC_CHECK_HEADER(X11/xpm.h,
3111 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3112 if test "${HAVE_XPM}" = "yes"; then
3113 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3114 AC_EGREP_CPP(no_return_alloc_pixels,
3115 [#include "X11/xpm.h"
3116 #ifndef XpmReturnAllocPixels
3117 no_return_alloc_pixels
3119 ], HAVE_XPM=no, HAVE_XPM=yes)
3121 if test "${HAVE_XPM}" = "yes"; then
3122 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3126 CPPFLAGS="$SAVE_CPPFLAGS"
3127 LDFLAGS="$SAVE_LDFLAGS"
3132 if test "${HAVE_XPM}" = "yes"; then
3133 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3138 if test "${HAVE_X11}" = "yes"; then
3139 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3140 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3142 if test "${with_xpm}" != "no"; then
3143 AC_CHECK_HEADER(X11/xpm.h,
3144 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3145 if test "${HAVE_XPM}" = "yes"; then
3146 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3147 AC_EGREP_CPP(no_return_alloc_pixels,
3148 [#include "X11/xpm.h"
3149 #ifndef XpmReturnAllocPixels
3150 no_return_alloc_pixels
3152 ], HAVE_XPM=no, HAVE_XPM=yes)
3154 if test "${HAVE_XPM}" = "yes"; then
3162 if test "${HAVE_XPM}" = "yes"; then
3163 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3165 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3166 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3171 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3172 ### slightly different requirements wrt image libraries (it doesn't
3173 ### use -lXpm because it loads the xpm shared library dynamically at
3175 if test "${opsys}" = "mingw32"; then
3176 if test "${with_xpm}" != "no"; then
3177 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3181 if test "${HAVE_XPM}" = "yes"; then
3182 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3188 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3189 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3192 if test "${opsys}" = "mingw32"; then
3193 if test "${with_jpeg}" != "no"; then
3194 dnl Checking for jpeglib.h can lose because of a redefinition of
3196 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3198 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3199 if test "${HAVE_JPEG}" = "yes"; then
3200 AC_DEFINE(HAVE_JPEG)
3201 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3202 [#include <jpeglib.h>
3203 version=JPEG_LIB_VERSION
3205 [AC_DEFINE(HAVE_JPEG)],
3206 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3209 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3210 if test "${with_jpeg}" != "no"; then
3211 dnl Checking for jpeglib.h can lose because of a redefinition of
3213 AC_CHECK_HEADER(jerror.h,
3214 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3217 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3218 if test "${HAVE_JPEG}" = "yes"; then
3219 AC_DEFINE(HAVE_JPEG)
3220 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3221 [#include <jpeglib.h>
3222 version=JPEG_LIB_VERSION
3224 [AC_DEFINE(HAVE_JPEG)],
3225 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3228 if test "${HAVE_JPEG}" = "yes"; then
3236 if test "${with_zlib}" != "no"; then
3238 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3240 case $ac_cv_search_inflateEnd in
3241 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3244 if test "${HAVE_ZLIB}" = "yes"; then
3245 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3246 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3247 if test "${opsys}" = "mingw32"; then
3253 ### Use -lpng if available, unless `--with-png=no'.
3257 if test "${NS_IMPL_COCOA}" = yes; then
3259 elif test "${with_png}" != no; then
3260 # mingw32 loads the library dynamically.
3261 if test "$opsys" = mingw32; then
3262 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3263 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3264 AC_MSG_CHECKING([for png])
3265 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3266 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3267 # libpng-config does not work; configure by hand.
3268 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3269 # in /usr/include/libpng.
3270 if test -r /usr/include/libpng/png.h &&
3271 test ! -r /usr/include/png.h; then
3272 png_cflags=-I/usr/include/libpng
3280 CFLAGS="$CFLAGS $png_cflags"
3281 LIBS="$png_libs -lz -lm $LIBS"
3283 [AC_LANG_PROGRAM([[#include <png.h>]],
3284 [[return !png_get_channels (0, 0);]])],
3286 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3288 # $LIBPNG requires explicit -lz in some cases.
3289 # We don't know what those cases are, exactly, so play it safe and
3290 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3291 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3292 LIBPNG="$LIBPNG -lz"
3296 AC_MSG_RESULT([$HAVE_PNG])
3299 if test $HAVE_PNG = yes; then
3300 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3303 CFLAGS="$CFLAGS $PNG_CFLAGS"
3304 AC_CHECK_DECL([png_longjmp],
3306 [AC_DEFINE([PNG_DEPSTRUCT], [],
3307 [Define to empty to suppress deprecation warnings when building
3308 with --enable-gcc-warnings and with libpng versions before 1.5,
3309 which lack png_longjmp.])],
3315 AC_SUBST(PNG_CFLAGS)
3317 ### Use -ltiff if available, unless `--with-tiff=no'.
3318 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3321 if test "${opsys}" = "mingw32"; then
3322 if test "${with_tiff}" != "no"; then
3323 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3325 if test "${HAVE_TIFF}" = "yes"; then
3326 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3328 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3329 if test "${with_tiff}" != "no"; then
3330 AC_CHECK_HEADER(tiffio.h,
3332 # At least one tiff package requires the jpeg library.
3333 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3334 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3337 if test "${HAVE_TIFF}" = "yes"; then
3338 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3339 dnl FIXME -lz -lm, as per libpng?
3345 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3346 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3349 if test "${opsys}" = "mingw32"; then
3350 if test "${with_gif}" != "no"; then
3351 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3353 if test "${HAVE_GIF}" = "yes"; then
3354 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3356 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3357 || test "${HAVE_W32}" = "yes"; then
3358 AC_CHECK_HEADER(gif_lib.h,
3359 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3360 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3361 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3362 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3364 if test "$HAVE_GIF" = yes; then
3366 elif test "$HAVE_GIF" = maybe; then
3367 # If gif_lib.h but no libgif, try libungif.
3368 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3369 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3372 if test "${HAVE_GIF}" = "yes"; then
3373 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3378 dnl Check for required libraries.
3379 if test "${HAVE_X11}" = "yes"; then
3382 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3383 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3384 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3385 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3386 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3387 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3388 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3389 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3390 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3391 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3393 if test "X${MISSING}" != X; then
3394 AC_MSG_ERROR([The following required libraries were not found:
3396 Maybe some development libraries/packages are missing?
3397 If you don't want to link with them give
3399 as options to configure])
3403 ### Use -lgpm if available, unless `--with-gpm=no'.
3406 if test "${with_gpm}" != "no"; then
3407 AC_CHECK_HEADER(gpm.h,
3408 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3410 if test "${HAVE_GPM}" = "yes"; then
3411 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3417 dnl Check for malloc/malloc.h on darwin
3418 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3421 ### Use NeXTstep API to implement GUI.
3422 if test "${HAVE_NS}" = "yes"; then
3423 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3424 if test "${NS_IMPL_COCOA}" = "yes"; then
3425 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3427 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3428 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3429 if test $NS_GNUSTEP_CONFIG != yes; then
3430 # See also .m.o rule in src/Makefile.in. */
3431 # FIXME: are all these flags really needed? Document here why. */
3432 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3433 ## Extra CFLAGS applied to src/*.m files.
3434 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3440 ### Use session management (-lSM -lICE) if available
3443 if test "${HAVE_X11}" = "yes"; then
3444 AC_CHECK_HEADER(X11/SM/SMlib.h,
3445 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3447 if test "${HAVE_X_SM}" = "yes"; then
3448 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3454 ### Use XRandr (-lXrandr) if available
3456 if test "${HAVE_X11}" = "yes"; then
3457 XRANDR_REQUIRED=1.2.2
3458 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3459 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3460 if test $HAVE_XRANDR = no; then
3461 # Test old way in case pkg-config doesn't have it (older machines).
3462 # Include Xrender.h by hand to work around bug in older Xrandr.h
3463 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3464 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3465 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3466 [], [AC_INCLUDES_DEFAULT
3467 #include <X11/extensions/Xrender.h>])
3468 if test $HAVE_XRANDR = yes; then
3469 XRANDR_LIBS=-lXrandr
3472 if test $HAVE_XRANDR = yes; then
3473 SAVE_CFLAGS="$CFLAGS"
3475 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3476 LIBS="$XRANDR_LIBS $LIBS"
3477 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3478 CFLAGS="$SAVE_CFLAGS"
3481 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3484 AC_SUBST(XRANDR_CFLAGS)
3485 AC_SUBST(XRANDR_LIBS)
3487 ### Use Xinerama (-lXinerama) if available
3489 if test "${HAVE_X11}" = "yes"; then
3490 XINERAMA_REQUIRED=1.0.2
3491 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3492 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3493 if test $HAVE_XINERAMA = no; then
3494 # Test old way in case pkg-config doesn't have it (older machines).
3495 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3496 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3497 if test $HAVE_XINERAMA = yes; then
3498 XINERAMA_LIBS=-lXinerama
3501 if test $HAVE_XINERAMA = yes; then
3502 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3505 AC_SUBST(XINERAMA_CFLAGS)
3506 AC_SUBST(XINERAMA_LIBS)
3508 ### Use Xfixes (-lXfixes) if available
3510 if test "${HAVE_X11}" = "yes"; then
3511 XFIXES_REQUIRED=4.0.0
3512 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3513 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3514 if test $HAVE_XFIXES = no; then
3515 # Test old way in case pkg-config doesn't have it (older machines).
3516 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3517 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3518 if test $HAVE_XFIXES = yes; then
3519 XFIXES_LIBS=-lXfixes
3522 if test $HAVE_XFIXES = yes; then
3523 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3526 AC_SUBST(XFIXES_CFLAGS)
3527 AC_SUBST(XFIXES_LIBS)
3529 ### Use libxml (-lxml2) if available
3530 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3532 if test "${with_xml2}" != "no"; then
3533 ### I'm not sure what the version number should be, so I just guessed.
3534 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3535 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3536 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3537 SAVE_CPPFLAGS="$CPPFLAGS"
3538 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3539 AC_CHECK_HEADER(libxml/HTMLparser.h,
3540 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3541 [#include <libxml/HTMLparser.h>])])
3542 CPPFLAGS="$SAVE_CPPFLAGS"
3543 if test "${HAVE_LIBXML2}" = "yes"; then
3544 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3545 LIBXML2_LIBS="-lxml2"
3548 if test "${HAVE_LIBXML2}" = "yes"; then
3549 if test "${opsys}" != "mingw32"; then
3550 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3555 if test "${HAVE_LIBXML2}" = "yes"; then
3556 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3563 AC_SUBST(LIBXML2_LIBS)
3564 AC_SUBST(LIBXML2_CFLAGS)
3566 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3567 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3568 if test "${opsys}" = "mingw32"; then
3569 emacs_cv_netdb_declares_h_errno=yes
3571 AC_CACHE_CHECK(whether netdb declares h_errno,
3572 emacs_cv_netdb_declares_h_errno,
3573 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3574 [[return h_errno;]])],
3575 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3576 if test $emacs_cv_netdb_declares_h_errno = yes; then
3577 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3580 # Check for mail-locking functions in a "mail" library. Probably this should
3581 # have the same check as for liblockfile below.
3582 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3583 if test $have_mail = yes; then
3585 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3588 LIBS="$LIBS_MAIL $LIBS"
3589 AC_CHECK_FUNCS(touchlock)
3594 dnl Debian, at least:
3595 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3596 if test $have_lockfile = yes; then
3597 LIBS_MAIL=-llockfile
3598 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3600 # If we have the shared liblockfile, assume we must use it for mail
3601 # locking (e.g. Debian). If we couldn't link against liblockfile
3602 # (no liblockfile.a installed), ensure that we don't need to.
3603 dnl This works for files generally, not just executables.
3604 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3605 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3606 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3607 if test $ac_cv_prog_liblockfile = yes; then
3608 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3609 This probably means that movemail could lose mail.
3610 There may be a `development' package to install containing liblockfile.])
3613 AC_CHECK_HEADERS_ONCE(maillock.h)
3616 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3617 ## interlock access to the mail spool. The alternative is a lock file named
3618 ## /usr/spool/mail/$USER.lock.
3621 aix4-2) mail_lock="lockf" ;;
3623 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3625 ## On GNU/Linux systems, both methods are used by various mail programs.
3626 ## I assume most people are using newer mailers that have heard of flock.
3627 ## Change this if you need to.
3628 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3629 ## configure gets the right answers, and that means *NOT* using flock.
3630 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3631 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3632 ## Debian maintainer hasn't provided a clean fix for Emacs.
3633 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3634 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3635 ## correct logic. -- fx
3636 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3637 ## liblockfile is a Free Software replacement for libmail, used on
3638 ## Debian systems and elsewhere. -rfr.
3641 if test $have_mail = yes || test $have_lockfile = yes; then
3642 test $ac_cv_header_maillock_h = yes && mail_lock=no
3647 mail_lock="none-needed" ;;
3651 case "$mail_lock" in
3652 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3654 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3658 *) BLESSMAIL_TARGET="need-blessmail" ;;
3660 AC_SUBST(BLESSMAIL_TARGET)
3663 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3664 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3665 getrusage get_current_dir_name \
3666 lrand48 random rint \
3667 select getpagesize setlocale newlocale \
3668 getrlimit setrlimit shutdown getaddrinfo \
3669 pthread_sigmask strsignal setitimer \
3670 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3672 getpwent endpwent getgrent endgrent \
3673 cfmakeraw cfsetspeed copysign __executable_start log2)
3676 dnl No need to check for aligned_alloc and posix_memalign if using
3677 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3678 dnl Don't use these functions on Darwin as they are incompatible with
3680 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3681 && test "$opsys" != darwin; then
3682 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3685 dnl Cannot use AC_CHECK_FUNCS
3686 AC_CACHE_CHECK([for __builtin_unwind_init],
3687 emacs_cv_func___builtin_unwind_init,
3688 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3689 emacs_cv_func___builtin_unwind_init=yes,
3690 emacs_cv_func___builtin_unwind_init=no)])
3691 if test $emacs_cv_func___builtin_unwind_init = yes; then
3692 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3693 [Define to 1 if you have the `__builtin_unwind_init' function.])
3696 AC_CHECK_HEADERS_ONCE(sys/un.h)
3701 AC_CHECK_FUNCS(grantpt)
3703 # PTY-related GNU extensions.
3704 AC_CHECK_FUNCS(getpt posix_openpt)
3706 # Check this now, so that we will NOT find the above functions in ncurses.
3707 # That is because we have not set up to link ncurses in lib-src.
3708 # It's better to believe a function is not available
3709 # than to expect to find it in ncurses.
3710 # Also we need tputs and friends to be able to build at all.
3711 AC_MSG_CHECKING([for library containing tputs])
3712 # Run a test program that contains a call to tputs, a call that is
3713 # never executed. This tests whether a pre-'main' dynamic linker
3714 # works with the library. It's too much trouble to actually call
3715 # tputs in the test program, due to portability hassles. When
3716 # cross-compiling, assume the test program will run if it links.
3717 AC_DEFUN([tputs_link_source], [
3719 [[extern void tputs (const char *, int, int (*)(int));
3720 int main (int argc, char **argv)
3723 tputs (argv[0], 0, 0);
3727 if test "${opsys}" = "mingw32"; then
3730 # Maybe curses should be tried earlier?
3731 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3732 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3734 if test -z "$tputs_library"; then
3738 LIBS_TERMCAP=-l$tputs_library
3740 LIBS="$LIBS_TERMCAP $LIBS"
3742 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3743 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3745 if test "X$msg" != Xno; then
3750 AC_MSG_RESULT([$msg])
3751 if test "X$msg" = Xno; then
3752 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3753 The following libraries were tried (in order):
3754 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3755 Please try installing whichever of these libraries is most appropriate
3756 for your system, together with its header files.
3757 For example, a libncurses-dev(el) or similar package.])
3760 ## Use termcap instead of terminfo?
3761 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3763 ## FIXME? In the cases below where we unconditionally set
3764 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3765 ## if that was found above to have tputs.
3766 ## Should we use the gnu* logic everywhere?
3768 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3769 ## The ncurses library has been moved out of the System framework in
3770 ## Mac OS X 10.2. So if configure detects it, set the command-line
3771 ## option to use it.
3772 darwin) LIBS_TERMCAP="-lncurses" ;;
3774 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3777 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3778 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3779 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3780 [[#if __FreeBSD_version < 400000
3783 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3785 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3787 if test $emacs_cv_freebsd_terminfo = yes; then
3788 LIBS_TERMCAP="-lncurses"
3791 LIBS_TERMCAP="-ltermcap"
3801 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3803 LIBS_TERMCAP="-ltermcap"
3807 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3809 ## hpux: Make sure we get select from libc rather than from libcurses
3810 ## because libcurses on HPUX 10.10 has a broken version of select.
3811 ## We used to use -lc -lcurses, but this may be cleaner.
3812 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3813 # set that way, now it uses the default). Isn't this a contradiction?
3814 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3818 TERMCAP_OBJ=tparam.o
3819 if test $TERMINFO = yes; then
3820 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3821 TERMCAP_OBJ=terminfo.o
3823 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3824 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3826 AC_SUBST(LIBS_TERMCAP)
3827 AC_SUBST(TERMCAP_OBJ)
3829 # GNU/Linux-specific timer functions.
3830 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3832 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3834 [[timerfd_create (CLOCK_REALTIME,
3835 TFD_CLOEXEC | TFD_NONBLOCK);
3836 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3837 [emacs_cv_have_timerfd=yes],
3838 [emacs_cv_have_timerfd=no])])
3839 if test "$emacs_cv_have_timerfd" = yes; then
3840 AC_DEFINE([HAVE_TIMERFD], 1,
3841 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3844 # Alternate stack for signal handlers.
3845 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3846 [emacs_cv_alternate_stack],
3848 [AC_LANG_PROGRAM([[#include <signal.h>
3851 struct sigaction sa;
3852 ss.ss_sp = malloc (SIGSTKSZ);
3853 ss.ss_size = SIGSTKSZ;
3854 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3855 sigaltstack (&ss, 0);
3856 sigaction (SIGSEGV, &sa, 0);]])],
3857 [emacs_cv_alternate_stack=yes],
3858 [emacs_cv_alternate_stack=no])])
3860 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3861 # On Darwin, res_init appears not to be useful: see bug#562 and
3862 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3865 if test $opsys != darwin; then
3867 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3868 #include <arpa/nameser.h>
3869 #include <resolv.h>]],
3870 [[return res_init();]])],
3871 have_res_init=yes, have_res_init=no)
3872 if test "$have_res_init" = no; then
3874 LIBS="$LIBS -lresolv"
3875 AC_MSG_CHECKING(for res_init with -lresolv)
3876 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3877 #include <arpa/nameser.h>
3878 #include <resolv.h>]],
3879 [[return res_init();]])],
3880 have_res_init=yes, have_res_init=no)
3881 AC_MSG_RESULT($have_res_init)
3882 if test "$have_res_init" = yes ; then
3888 if test "$have_res_init" = yes; then
3889 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3893 # Do we need the Hesiod library to provide the support routines?
3894 dnl FIXME? Should we be skipping this on Darwin too?
3896 if test "$with_hesiod" != no ; then
3897 # Don't set $LIBS here -- see comments above. FIXME which comments?
3898 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3899 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3900 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3901 if test "$resolv" = yes ; then
3906 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3907 hesiod=yes, :, $RESOLVLIB)])
3909 if test x"$hesiod" = xyes; then
3915 # Do we need libresolv (due to res_init or Hesiod)?
3916 if test "$resolv" = yes && test $opsys != darwin; then
3923 # These tell us which Kerberos-related libraries to use.
3930 if test "${with_kerberos}" != no; then
3932 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3933 if test $have_com_err = yes; then
3934 COM_ERRLIB=-lcom_err
3935 LIBS="$COM_ERRLIB $LIBS"
3937 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3938 if test $have_crypto = yes; then
3940 LIBS="$CRYPTOLIB $LIBS"
3942 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3943 if test $have_k5crypto = yes; then
3944 CRYPTOLIB=-lk5crypto
3945 LIBS="$CRYPTOLIB $LIBS"
3947 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3948 if test $have_krb5=yes; then
3950 LIBS="$KRB5LIB $LIBS"
3952 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3953 if test "${with_kerberos5}" = no; then
3954 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3955 if test $have_des425 = yes; then
3957 LIBS="$DESLIB $LIBS"
3959 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3960 if test $have_des = yes; then
3962 LIBS="$DESLIB $LIBS"
3965 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3966 if test $have_krb4 = yes; then
3968 LIBS="$KRB4LIB $LIBS"
3970 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3971 if test $have_krb = yes; then
3973 LIBS="$KRB4LIB $LIBS"
3978 if test "${with_kerberos5}" != no; then
3979 AC_CHECK_HEADERS(krb5.h,
3980 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3981 [#include <krb5.h>])])
3983 AC_CHECK_HEADERS(krb.h,,
3984 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3985 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3987 AC_CHECK_HEADERS(com_err.h)
3991 AC_SUBST(COM_ERRLIB)
3997 AC_CHECK_HEADERS(valgrind/valgrind.h)
3999 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
4002 AC_CHECK_FUNC(socket, , ok_so_far=no)
4003 if test $ok_so_far = yes; then
4004 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4006 if test $ok_so_far = yes; then
4007 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4009 if test $ok_so_far = yes; then
4010 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4011 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4012 [Define to 1 if you have inet sockets.])
4017 AC_CHECK_FUNCS(snprintf)
4019 dnl Check for glib. This differs from other library checks in that
4020 dnl Emacs need not link to glib unless some other library is already
4021 dnl linking to glib. Although glib provides no facilities that Emacs
4022 dnl needs for its own purposes, when glib is present Emacs needs to
4023 dnl use primitives like g_main_context_query to avoid clashing with
4024 dnl glib at a low level.
4026 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4030 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4031 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4032 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
4033 LIBS="$LIBS $GFILENOTIFY_LIBS"
4034 AC_MSG_CHECKING([whether GLib is linked in])
4035 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4038 [[g_print ("Hello world");]])],
4041 AC_MSG_RESULT([$links_glib])
4042 if test "${links_glib}" = "yes"; then
4043 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4044 if test "$HAVE_NS" = no;then
4052 dnl Adapted from Haible's version.
4053 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4054 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4055 [[char* cs = nl_langinfo(CODESET);]])],
4056 emacs_cv_langinfo_codeset=yes,
4057 emacs_cv_langinfo_codeset=no)
4059 if test $emacs_cv_langinfo_codeset = yes; then
4060 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4061 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4066 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4067 dnl how the tty code is related to POSIX and/or other versions of termios.
4068 dnl The following looks like a useful start.
4070 dnl AC_SYS_POSIX_TERMIOS
4071 dnl if test $ac_cv_sys_posix_termios = yes; then
4072 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4073 dnl and macros for terminal control.])
4074 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4077 dnl Turned on June 1996 supposing nobody will mind it.
4078 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4079 if test "${opsys}" != "mingw32"; then
4080 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4081 in the full name stands for the login id.])
4084 dnl Everybody supports this, except MS.
4085 dnl Seems like the kind of thing we should be testing for, though.
4086 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4087 if test "${opsys}" != "mingw32"; then
4088 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4091 dnl Everybody supports this, except MS-DOS.
4092 dnl Seems like the kind of thing we should be testing for, though.
4093 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4094 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4095 4.2-compatible sockets.])
4097 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4099 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4100 a null file, or a data sink.])
4101 if test "${opsys}" = "mingw32"; then
4102 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4104 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4107 if test "${opsys}" = "mingw32"; then
4112 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4113 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4114 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4115 dnl decides that a command-line argument to be passed to a MinGW program
4116 dnl is a PATH-style list of directories. But that heuristics plays it
4117 dnl safe, and only does the replacement when it is _absolutely_ sure it
4118 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4119 dnl which breaks in-tree builds. So we do this manually instead.
4120 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4121 dnl be computed as ':' in MSYS Bash.
4124 dnl Everybody supports this, except MS-DOS.
4125 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4127 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4130 AC_DEFINE(DIRECTORY_SEP, ['/'],
4131 [Character that separates directories in a file name.])
4133 if test "${opsys}" = "mingw32"; then
4134 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4135 [Returns true if character is a device separator.])
4137 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4138 [Returns true if character is a directory separator.])
4140 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4141 [Returns true if character is any form of separator.])
4143 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4144 [Returns true if character is a device separator.])
4146 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4147 [Returns true if character is a directory separator.])
4149 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4150 [Returns true if character is any form of separator.])
4153 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4157 dnl Unfortunately without libXmu we cannot support EditRes.
4158 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4159 AC_DEFINE(NO_EDITRES, 1)
4164 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4165 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4166 AC_DEFINE(NO_EDITRES, 1)
4172 irix6-5 | sol2* | unixware )
4173 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4174 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4175 dnl need the constant to dimension an array. So wire in the appropriate
4177 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4181 emacs_broken_SIGIO=no
4184 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4185 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4186 hpux* | irix6-5 | openbsd | sol2* | unixware )
4187 emacs_broken_SIGIO=yes
4191 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4192 dnl the way this system works, libc functions that return malloced
4193 dnl memory use the libc malloc implementation. Calling xfree or
4194 dnl xrealloc on the results of such functions results in a crash.
4196 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4197 dnl but that does not currently work on this system.
4199 dnl It is possible to completely override the malloc implementation on
4200 dnl AIX, but that involves putting the malloc functions in a shared
4201 dnl library and setting the MALLOCTYPE environment variable to point to
4202 dnl that shared library.
4204 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4205 dnl to avoid a crash just use the Emacs implementation for that function.
4207 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4208 dnl of this file, so that we do not check for get_current_dir_name
4209 dnl on AIX. But that might be fragile if something else ends
4210 dnl up testing for get_current_dir_name as a dependency.
4211 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4212 get_current_dir_name should not be used.])
4216 dnl Circumvent a bug in FreeBSD. In the following sequence of
4217 dnl writes/reads on a PTY, read(2) returns bogus data:
4219 dnl write(2) 1022 bytes
4220 dnl write(2) 954 bytes, get EAGAIN
4221 dnl read(2) 1024 bytes in process_read_output
4222 dnl read(2) 11 bytes in process_read_output
4224 dnl That is, read(2) returns more bytes than have ever been written
4225 dnl successfully. The 1033 bytes read are the 1022 bytes written
4226 dnl successfully after processing (for example with CRs added if the
4227 dnl terminal is set up that way which it is here). The same bytes will
4228 dnl be seen again in a later read(2), without the CRs.
4229 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4230 work around an issue when reading from a PTY.])
4236 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4237 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4242 darwin | dragonfly | freebsd | netbsd | openbsd )
4243 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4244 close a pty to make it a controlling terminal (it is already a
4245 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4249 dnl FIXME Surely we can test for this rather than hard-code it.
4251 netbsd | openbsd) sound_device="/dev/audio" ;;
4252 *) sound_device="/dev/dsp" ;;
4256 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4257 [Name of the default sound device.])
4260 dnl Emacs can read input using SIGIO and buffering characters itself,
4261 dnl or using CBREAK mode and making C-g cause SIGINT.
4262 dnl The choice is controlled by the variable interrupt_input.
4264 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4266 dnl Emacs uses the presence of the USABLE_SIGIO macro
4267 dnl to indicate whether or not signal-driven I/O is possible. It uses
4268 dnl INTERRUPT_INPUT to decide whether to use it by default.
4270 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4271 dnl CBREAK mode has two disadvantages
4272 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4273 dnl I hear that in system V this problem does not exist.
4274 dnl 2) Control-G causes output to be discarded.
4275 dnl I do not know whether this can be fixed in system V.
4277 dnl Another method of doing input is planned but not implemented.
4278 dnl It would have Emacs fork off a separate process
4279 dnl to read the input and send it to the true Emacs process
4282 darwin | gnu-linux | gnu-kfreebsd )
4283 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4288 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4289 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4290 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4291 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4292 dnl taking float or double parameters.
4294 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4295 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4296 file defines `NeedWidePrototypes' as `NO'.])
4301 dnl Used in process.c, this must be a loop, even if it only runs once.
4302 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4303 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4304 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4305 dnl trying suffixes 0-16.
4306 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4307 first PTY, if PTYs are supported.])
4308 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4309 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4310 end of a PTY, if non-standard.])
4311 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4312 end of a PTY, if non-standard.])
4316 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4317 dnl You allocate a pty by opening /dev/ptc to get the master side.
4318 dnl To get the name of the slave side, you just ttyname() the master side.
4319 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4320 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4324 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4325 dnl multi-line AC_DEFINEs are hard. :(
4326 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)])
4327 AC_DEFINE(PTY_NAME_SPRINTF, [])
4328 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4331 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4333 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4334 dnl Not used, because PTY_ITERATION is defined.
4335 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4336 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4337 dnl But we don't have to block SIGCHLD because it is blocked in the
4338 dnl implementation of grantpt.
4339 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4340 AC_DEFINE(PTY_NAME_SPRINTF, [])
4341 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4345 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4348 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4350 if test "x$ac_cv_func_grantpt" = xyes; then
4351 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4352 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4353 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4354 dnl to prevent sigchld_handler from intercepting the child's death.
4355 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); }])
4356 dnl if HAVE_POSIX_OPENPT
4357 if test "x$ac_cv_func_posix_openpt" = xyes; then
4358 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4359 AC_DEFINE(PTY_NAME_SPRINTF, [])
4361 elif test "x$ac_cv_func_getpt" = xyes; then
4362 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4363 AC_DEFINE(PTY_NAME_SPRINTF, [])
4365 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4368 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4373 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4374 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4375 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4379 dnl It looks like this cannot be right, because it is not a loop.
4380 dnl However, process.c actually does this:
4386 dnl which presumably makes it OK, since irix == sgi (?).
4387 dnl FIXME it seems like this special treatment is unnecessary?
4388 dnl Why can't irix use a single-trip loop like eg cygwin?
4389 AC_DEFINE(PTY_ITERATION, [])
4390 dnl Not used, because PTY_ITERATION is defined.
4391 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4392 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); }])
4393 dnl No need to get the pty name at all.
4394 AC_DEFINE(PTY_NAME_SPRINTF, [])
4395 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4396 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4400 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4401 dnl from intercepting that death. If any child but grantpt's should die
4402 dnl within, it should be caught after sigrelse(2).
4403 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); }])
4407 dnl Comments are as per sol2*.
4408 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); }])
4415 dnl This change means that we don't loop through allocate_pty too
4416 dnl many times in the (rare) event of a failure.
4417 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4418 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4419 dnl Push various streams modules onto a PTY channel. Used in process.c.
4420 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.])
4425 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4426 "typing" a signal character on the pty.])
4429 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4430 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4431 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4432 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4435 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4436 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4437 gnu-linux | gnu-kfreebsd )
4439 AC_MSG_CHECKING([for signals via characters])
4440 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4441 #include <linux/version.h>
4442 #if LINUX_VERSION_CODE < 0x20400
4443 # error "Linux version too old"
4445 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4447 AC_MSG_RESULT([$emacs_signals_via_chars])
4448 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4453 AH_TEMPLATE(TAB3, [Undocumented.])
4456 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4458 gnu | dragonfly | freebsd | netbsd | openbsd )
4459 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4460 AC_DEFINE(TAB3, OXTABS)
4463 gnu-linux | gnu-kfreebsd )
4464 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4468 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4469 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4470 [Mark a secondary stack, like the register stack on the ia64.]), [])
4474 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4475 run_time_remap; for HPUX.])
4480 dnl This won't be used automatically yet. We also need to know, at least,
4481 dnl that the stack is continuous.
4482 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4483 registers relevant for conservative garbage collection in the jmp_buf.])
4487 dnl Not all the architectures are tested, but there are Debian packages
4488 dnl for SCM and/or Guile on them, so the technique must work. See also
4489 dnl comments in alloc.c concerning setjmp and gcc.
4490 dnl Fixme: it's probably safe to just use the GCC conditional below.
4491 gnu-linux | gnu-kfreebsd )
4492 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4493 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4494 || defined __alpha__ || defined __mips__ || defined __s390__ \
4495 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4496 || defined __ia64__ || defined __sh__
4499 # error "setjmp not known to work on this arch"
4501 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4506 if test x$GCC = xyes; then
4507 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4508 AC_DEFINE(GC_SETJMP_WORKS, 1)
4511 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4512 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4513 AC_DEFINE(GC_SETJMP_WORKS, 1)
4518 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4519 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4522 [[#include <setjmp.h>
4524 # define _longjmp longjmp
4529 _longjmp (j, 1);]])],
4530 [emacs_cv_func__setjmp=yes],
4531 [emacs_cv_func__setjmp=no])])
4532 if test $emacs_cv_func__setjmp = yes; then
4533 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4536 # We need to preserve signal mask to handle C stack overflows.
4537 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4540 [[#include <setjmp.h>
4543 if (! sigsetjmp (j, 1))
4544 siglongjmp (j, 1);]])],
4545 [emacs_cv_func_sigsetjmp=yes],
4546 [emacs_cv_func_sigsetjmp=no])])
4547 if test $emacs_cv_func_sigsetjmp = yes; then
4548 AC_DEFINE([HAVE_SIGSETJMP], 1,
4549 [Define to 1 if sigsetjmp and siglongjmp work.])
4552 # We need all of these features to handle C stack overflows.
4553 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4554 "$ac_cv_func_getrlimit" = "yes" -a \
4555 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4556 "$emacs_cv_alternate_stack" = yes; then
4557 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4558 [Define to 1 if C stack overflow can be handled in some cases.])
4563 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4564 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4565 dnl and this is all we need.
4566 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4573 dnl Used in xfaces.c.
4574 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4575 some systems, where it requires time.h.])
4580 dnl Define symbols to identify the version of Unix this is.
4581 dnl Define all the symbols that apply correctly.
4582 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4583 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4584 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4585 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4590 dnl This symbol should be defined on AIX Version 3 ???????
4591 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4593 # error "_AIX not defined"
4595 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4599 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4603 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4604 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4605 dnl distinguish OS X from pure Darwin.
4606 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4609 gnu-linux | gnu-kfreebsd )
4611 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4616 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4621 AC_DEFINE(USG5_4, [])
4622 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4626 AC_DEFINE(DOS_NT, [])
4627 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4628 if test "x$ac_enable_checking" != "x" ; then
4629 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4635 AC_DEFINE(USG5_4, [])
4636 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4641 AC_DEFINE(USG5_4, [])
4645 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4648 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4649 emacs_cv_usable_FIONREAD=no
4653 emacs_cv_usable_FIONREAD=yes
4658 [AC_LANG_PROGRAM([[#include <sys/types.h>
4659 #include <sys/ioctl.h>
4661 # include <sys/filio.h>
4664 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4665 [emacs_cv_usable_FIONREAD=yes],
4666 [emacs_cv_usable_FIONREAD=no])
4669 if test $emacs_cv_usable_FIONREAD = yes; then
4670 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4672 if test $emacs_broken_SIGIO = no; then
4673 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4675 [AC_LANG_PROGRAM([[#include <fcntl.h>
4678 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4679 [emacs_cv_usable_SIGIO=yes],
4680 [emacs_cv_usable_SIGIO=no])],
4681 [emacs_cv_usable_SIGIO=yes],
4682 [emacs_cv_usable_SIGIO=no])
4683 if test $emacs_cv_usable_SIGIO = yes; then
4684 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4691 dnl It works to open the pty's tty in the parent (Emacs), then
4692 dnl close and reopen it in the child.
4693 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4694 works to open a pty's tty in the parent process, then close and
4695 reopen it in the child.])
4699 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4700 use VSUSP instead of VSWTCH.])
4704 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4709 # Set up the CFLAGS for real compilation, so we can substitute it.
4710 CFLAGS="$REAL_CFLAGS"
4711 CPPFLAGS="$REAL_CPPFLAGS"
4714 ## Hack to detect a buggy GCC version.
4715 if test "x$GCC" = xyes \
4716 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4717 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4718 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4719 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4722 version=$PACKAGE_VERSION
4724 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4725 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4726 [Short copyright string for this version of Emacs.])
4729 ### Specify what sort of things we'll be editing into Makefile and config.h.
4730 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4732 AC_SUBST(configuration)
4737 AC_SUBST(exec_prefix)
4740 AC_SUBST(sharedstatedir)
4741 AC_SUBST(libexecdir)
4745 AC_SUBST(standardlisppath)
4746 AC_SUBST(locallisppath)
4748 AC_SUBST(x_default_search_path)
4750 AC_SUBST(archlibdir)
4756 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4757 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4758 ## end of LIBX_BASE, but nothing ever set it.
4759 AC_SUBST(LD_SWITCH_X_SITE)
4760 AC_SUBST(C_SWITCH_X_SITE)
4761 AC_SUBST(GNUSTEP_CFLAGS)
4763 ## Used in lwlib/Makefile.in.
4764 AC_SUBST(X_TOOLKIT_TYPE)
4766 AC_SUBST(ns_appbindir)
4767 AC_SUBST(ns_appresdir)
4769 AC_SUBST(GNU_OBJC_CFLAGS)
4770 AC_SUBST(OTHER_FILES)
4772 if test -n "${term_header}"; then
4773 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4774 [Define to the header for the built-in window system.])
4777 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4778 [Define to the canonical Emacs configuration name.])
4779 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4780 [Define to the options passed to configure.])
4781 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4782 define this to include extra configuration information.])
4786 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4793 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4794 AC_DEFINE(HAVE_X_WINDOWS, 1,
4795 [Define to 1 if you want to use the X window system.])
4797 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4799 if test "$HAVE_XFT" = "yes"; then
4800 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4801 elif test "$HAVE_FREETYPE" = "yes"; then
4802 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4812 if test "${USE_X_TOOLKIT}" != "none" ; then
4814 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4815 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4816 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4817 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4818 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4822 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4823 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4827 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4828 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4829 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4833 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4834 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4837 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4840 AC_SUBST(WIDGET_OBJ)
4843 case "$USE_X_TOOLKIT" in
4844 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4845 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4846 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
4848 AC_SUBST(TOOLKIT_LIBW)
4850 if test "${opsys}" != "mingw32"; then
4851 if test "$USE_X_TOOLKIT" = "none"; then
4852 LIBXT_OTHER="\$(LIBXSM)"
4854 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4857 AC_SUBST(LIBXT_OTHER)
4859 if test "${HAVE_X11}" = "yes" ; then
4860 AC_DEFINE(HAVE_X11, 1,
4861 [Define to 1 if you want to use version 11 of X windows.])
4862 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4866 AC_SUBST(LIBX_OTHER)
4868 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4870 elif test "$USE_X_TOOLKIT" = none; then
4871 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4873 LIBXMENU='$(lwlibdir)/liblw.a'
4877 AC_CACHE_CHECK([for struct alignment],
4878 [emacs_cv_struct_alignment],
4880 [AC_LANG_PROGRAM([[#include <stddef.h>
4881 struct __attribute__ ((aligned (8))) s { char c; };
4882 struct t { char c; struct s s; };
4883 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4885 [emacs_cv_struct_alignment=yes],
4886 [emacs_cv_struct_alignment=no])])
4887 if test "$emacs_cv_struct_alignment" = yes; then
4888 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4889 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4890 structure to an N-byte boundary.])
4893 if test "${GNU_MALLOC}" = "yes" ; then
4894 AC_DEFINE(GNU_MALLOC, 1,
4895 [Define to 1 if you want to use the GNU memory allocator.])
4899 if test "${REL_ALLOC}" = "yes" ; then
4900 AC_DEFINE(REL_ALLOC, 1,
4901 [Define REL_ALLOC if you want to use the relocating allocator for
4904 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4906 AC_SUBST(RALLOC_OBJ)
4908 if test "$opsys" = "cygwin"; then
4909 CYGWIN_OBJ="sheap.o cygw32.o"
4910 ## Cygwin differs because of its unexec().
4912 POST_ALLOC_OBJ=lastfile.o
4913 elif test "$opsys" = "mingw32"; then
4916 POST_ALLOC_OBJ=lastfile.o
4919 PRE_ALLOC_OBJ=lastfile.o
4922 AC_SUBST(CYGWIN_OBJ)
4923 AC_SUBST(PRE_ALLOC_OBJ)
4924 AC_SUBST(POST_ALLOC_OBJ)
4926 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4927 dnl verbatim defined above. The tricky name is apropos, as this hack
4928 dnl makes Fortify go sour!
4929 AH_VERBATIM([FORTIFY_SOUR],
4930 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4931 The workaround disables some useful run-time checking, so it
4932 should be conditional to the platforms with the performance bug.
4933 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4934 #if defined __APPLE__ && defined __GNUC__
4935 # ifndef _DONT_USE_CTYPE_INLINE_
4936 # define _DONT_USE_CTYPE_INLINE_
4938 # ifndef _FORTIFY_SOURCE
4939 # define _FORTIFY_SOURCE 0
4944 # If user asks to omit features, disable optional features that gnulib
4945 # might otherwise enable.
4946 if test "$with_features" = no && test "$enable_acl" != yes; then
4950 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4951 # it temporarily reverts them to their pre-pkg-config values,
4952 # because gnulib needs to work with both src (which uses the
4953 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4954 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4955 # and it therefore needs to run in an environment where LIBS does not
4956 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4957 # for some package unrelated to lib-src.
4960 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4961 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4962 gl_ASSERT_NO_GNULIB_POSIXCHECK
4963 gl_ASSERT_NO_GNULIB_TESTS
4968 if test "${opsys}" = "mingw32"; then
4969 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4970 # Remove unneeded switches from the value of CC that goes to Makefiles
4971 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4975 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4977 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4980 ## The -headerpad option tells ld (see man page) to leave room at the
4981 ## end of the header for adding load commands. Needed for dumping.
4982 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4983 ## architecture (where they are 78 bytes each). The actual number of
4984 ## load commands added is not consistent but normally ranges from
4985 ## about 14 to about 34. Setting it high gets us plenty of slop and
4986 ## only costs about 1.5K of wasted binary space.
4987 headerpad_extra=1000
4988 if test "$HAVE_NS" = "yes"; then
4989 libs_nsgui="-framework AppKit"
4990 if test "$NS_IMPL_COCOA" = "yes"; then
4991 libs_nsgui="$libs_nsgui -framework IOKit"
4996 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4998 ## This is here because src/Makefile.in did some extra fiddling around
4999 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
5000 ## LD_SWITCH_SYSTEM_TEMACS instead,
5001 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
5002 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5005 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5006 ## find X at run-time.
5007 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5008 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5009 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5010 ## had different values in configure (in ac_link) and src/Makefile.in.
5011 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5012 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5015 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5016 case "$canonical" in
5017 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5018 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5022 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
5024 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5027 if test x$ac_enable_profiling != x ; then
5029 *freebsd | gnu-linux) ;;
5030 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5034 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5036 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5038 ## Common for all window systems
5039 if test "$window_system" != "none"; then
5040 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5041 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5042 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5045 AC_SUBST(WINDOW_SYSTEM_OBJ)
5047 AH_TOP([/* GNU Emacs site configuration template file.
5049 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
5050 Free Software Foundation, Inc.
5052 This file is part of GNU Emacs.
5054 GNU Emacs is free software: you can redistribute it and/or modify
5055 it under the terms of the GNU General Public License as published by
5056 the Free Software Foundation, either version 3 of the License, or
5057 (at your option) any later version.
5059 GNU Emacs is distributed in the hope that it will be useful,
5060 but WITHOUT ANY WARRANTY; without even the implied warranty of
5061 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5062 GNU General Public License for more details.
5064 You should have received a copy of the GNU General Public License
5065 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5068 /* No code in Emacs #includes config.h twice, but some bits of code
5069 intended to work with other packages as well (like gmalloc.c)
5070 think they can include it as many times as they like. */
5071 #ifndef EMACS_CONFIG_H
5072 #define EMACS_CONFIG_H
5075 AH_BOTTOM([#include <conf_post.h>
5077 #endif /* EMACS_CONFIG_H */
5086 #### Report on what we decided to do.
5087 #### Report GTK as a toolkit, even if it doesn't use Xt.
5088 #### It makes printing result more understandable as using GTK sets
5089 #### toolkit_scroll_bars to yes by default.
5090 if test "${HAVE_GTK}" = "yes"; then
5091 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5094 if test $USE_ACL -ne 0; then
5095 ACL_SUMMARY="yes $LIB_ACL"
5101 Configured for \`${canonical}'.
5103 Where should the build process find the source code? ${srcdir}
5104 What compiler should emacs be built with? ${CC} ${CFLAGS}
5105 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5106 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5107 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5108 What window system should Emacs use? ${window_system}
5109 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5111 if test -n "${x_includes}"; then
5112 echo " Where do we find X Windows header files? ${x_includes}"
5114 echo " Where do we find X Windows header files? Standard dirs"
5116 if test -n "${x_libraries}"; then
5117 echo " Where do we find X Windows libraries? ${x_libraries}"
5119 echo " Where do we find X Windows libraries? Standard dirs"
5123 emacs_config_features=
5124 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5125 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5129 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5130 *) eval val=\${HAVE_$opt} ;;
5132 test x"$val" = xno && continue
5133 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5136 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5137 [Summary of some of the main features enabled by configure.])
5139 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5140 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5141 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5142 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5143 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5144 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5145 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5146 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5148 echo " Does Emacs support sound? ${HAVE_SOUND}"
5150 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5151 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5152 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5153 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5154 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5155 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5156 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5157 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5158 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5160 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5161 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5162 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5163 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5164 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5166 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5168 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
5169 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
5170 echo " Does xwidgets support gobject introspection? ${HAVE_GIR}"
5173 if test -n "${EMACSDATA}"; then
5174 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5176 if test -n "${EMACSDOC}"; then
5177 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5182 if test "$HAVE_NS" = "yes"; then
5184 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5185 The installed application will go to nextstep/Emacs.app and can be
5186 run or moved from there."
5187 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5188 echo "The application will be fully self-contained."
5190 echo "The lisp resources for the application will be installed under ${prefix}.
5191 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5192 to run if these resources are not installed."
5197 if test "${opsys}" = "cygwin"; then
5199 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5205 # Remove any trailing slashes in these variables.
5206 [test "${prefix}" != NONE &&
5207 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5208 test "${exec_prefix}" != NONE &&
5209 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5211 if test "$HAVE_NS" = "yes"; then
5212 if test "$NS_IMPL_GNUSTEP" = yes; then
5213 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5214 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5215 ns_check_file=Resources/Info-gnustep.plist
5217 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5218 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5219 ns_check_file=Contents/Info.plist
5221 AC_SUBST(ns_check_file)
5224 dnl config.status treats $srcdir specially, so I think this is ok...
5225 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5227 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5228 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5229 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5230 dnl (else you get "no `Makefile.am' found for any configure output").
5231 dnl This will work, but you get a config.status that is not quite right
5232 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5233 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5234 dnl it seems better to just live with the duplication.
5235 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5237 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5238 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5239 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5240 leim/Makefile nextstep/Makefile nt/Makefile])
5242 dnl test/ is not present in release tarfiles.
5243 opt_makefile=test/automated/Makefile
5245 if test -f "$srcdir/$opt_makefile.in"; then
5246 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5247 dnl Again, it's best not to use a variable. Though you can add
5248 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5249 AC_CONFIG_FILES([test/automated/Makefile])
5253 dnl The admin/ directory used to be excluded from tarfiles.
5254 if test -d $srcdir/admin; then
5255 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5256 AC_CONFIG_FILES([admin/unidata/Makefile])
5257 AC_CONFIG_FILES([admin/grammars/Makefile])
5261 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5263 AC_SUBST(SUBDIR_MAKEFILES_IN)
5265 dnl You might wonder (I did) why epaths.h is generated by running make,
5266 dnl rather than just letting configure generate it from epaths.in.
5267 dnl One reason is that the various paths are not fully expanded (see above);
5268 dnl eg gamedir=${prefix}/var/games/emacs.
5269 dnl Secondly, the GNU Coding standards require that one should be able
5270 dnl to run `make prefix=/some/where/else' and override the values set
5271 dnl by configure. This also explains the `move-if-change' test and
5272 dnl the use of force in the `epaths-force' rule in Makefile.in.
5273 AC_CONFIG_COMMANDS([src/epaths.h], [
5274 if test "${opsys}" = "mingw32"; then
5275 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5277 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5278 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5279 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5281 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5282 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5284 AC_CONFIG_COMMANDS([src/.gdbinit], [
5285 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5286 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5290 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5291 dnl See comments for etc-refcards-emacsver.tex.
5292 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5293 dnl it is not quite the same. But we are generating in $srcdir.
5294 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5295 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5296 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5299 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5300 dnl then a directory etc/refcards is created in the build directory,
5301 dnl which is probably harmless, but confusing (in out-of-tree builds).
5302 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5303 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5304 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5305 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5306 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5311 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])