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 # We don't test if we can actually chown/chgrp here, because configure
403 # may run without root privileges. lib-src/Makefile.in will handle
404 # any errors due to missing user/group gracefully.
405 case ${with_gameuser} in
407 "" | yes) gamegroup=games ;;
408 :*) gamegroup=`echo "${with_gameuser}" | sed -e "s/://"` ;;
409 *) gameuser=${with_gameuser} ;;
412 AC_ARG_WITH([gnustep-conf],dnl
413 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
414 [name of GNUstep configuration file to use on systems where the command
415 'gnustep-config' does not work; default $GNUSTEP_CONFIG_FILE, or
416 /etc/GNUstep/GNUstep.conf])])
417 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
418 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
419 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
420 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
422 AC_ARG_ENABLE(ns-self-contained,
423 [AS_HELP_STRING([--disable-ns-self-contained],
424 [disable self contained build under NeXTstep])],
425 EN_NS_SELF_CONTAINED=$enableval,
426 EN_NS_SELF_CONTAINED=yes)
428 AC_ARG_ENABLE(locallisppath,
429 [AS_HELP_STRING([--enable-locallisppath=PATH],
430 [directories Emacs should search for lisp files specific
432 if test "${enableval}" = "no"; then
434 elif test "${enableval}" != "yes"; then
435 locallisppath=${enableval}
438 AC_ARG_ENABLE(checking,
439 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
440 [enable expensive run-time checks. With LIST,
441 enable only specific categories of checks.
442 Categories are: all,yes,no.
443 Flags are: stringbytes, stringoverrun, stringfreelist,
444 xmallocoverrun, conslist, glyphs])],
445 [ac_checking_flags="${enableval}"],[])
446 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
447 for check in $ac_checking_flags
450 # these set all the flags to specific states
451 yes) ac_enable_checking=1 ;;
452 no) ac_enable_checking= ;
453 ac_gc_check_stringbytes= ;
454 ac_gc_check_string_overrun= ;
455 ac_gc_check_string_free_list= ;
456 ac_xmalloc_overrun= ;
457 ac_gc_check_cons_list= ;
459 all) ac_enable_checking=1 ;
460 ac_gc_check_stringbytes=1 ;
461 ac_gc_check_string_overrun=1 ;
462 ac_gc_check_string_free_list=1 ;
463 ac_xmalloc_overrun=1 ;
464 ac_gc_check_cons_list=1 ;
466 # these enable particular checks
467 stringbytes) ac_gc_check_stringbytes=1 ;;
468 stringoverrun) ac_gc_check_string_overrun=1 ;;
469 stringfreelist) ac_gc_check_string_free_list=1 ;;
470 xmallocoverrun) ac_xmalloc_overrun=1 ;;
471 conslist) ac_gc_check_cons_list=1 ;;
472 glyphs) ac_glyphs_debug=1 ;;
473 *) AC_MSG_ERROR(unknown check category $check) ;;
478 if test x$ac_enable_checking != x ; then
479 AC_DEFINE(ENABLE_CHECKING, 1,
480 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
482 if test x$ac_gc_check_stringbytes != x ; then
483 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
484 [Define this temporarily to hunt a bug. If defined, the size of
485 strings is redundantly recorded in sdata structures so that it can
486 be compared to the sizes recorded in Lisp strings.])
488 if test x$ac_gc_check_string_overrun != x ; then
489 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
490 [Define this to check for short string overrun.])
492 if test x$ac_gc_check_string_free_list != x ; then
493 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
494 [Define this to check the string free list.])
496 if test x$ac_xmalloc_overrun != x ; then
497 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
498 [Define this to check for malloc buffer overrun.])
500 if test x$ac_gc_check_cons_list != x ; then
501 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
502 [Define this to check for errors in cons list.])
504 if test x$ac_glyphs_debug != x ; then
505 AC_DEFINE(GLYPH_DEBUG, 1,
506 [Define this to enable glyphs debugging code.])
509 AC_ARG_ENABLE(check-lisp-object-type,
510 [AS_HELP_STRING([--enable-check-lisp-object-type],
511 [enable compile time checks for the Lisp_Object data type.
512 This is useful for development for catching certain types of bugs.])],
513 if test "${enableval}" != "no"; then
514 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
515 [Define this to enable compile time checks for the Lisp_Object data type.])
519 dnl The name of this option is unfortunate. It predates, and has no
520 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
521 dnl Actually, it stops it working.
522 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
523 AC_ARG_ENABLE(profiling,
524 [AS_HELP_STRING([--enable-profiling],
525 [build emacs with low-level, gprof profiling support.
526 Mainly useful for debugging Emacs itself. May not work on
527 all platforms. Stops profiler.el working.])],
528 [ac_enable_profiling="${enableval}"],[])
529 if test x$ac_enable_profiling != x ; then
530 PROFILING_CFLAGS="-DPROFILING=1 -pg"
534 AC_SUBST(PROFILING_CFLAGS)
536 AC_ARG_ENABLE(autodepend,
537 [AS_HELP_STRING([--enable-autodepend],
538 [automatically generate dependencies to .h-files.
539 Requires gcc, enabled if found.])],
540 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
542 AC_ARG_ENABLE(gtk-deprecation-warnings,
543 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
544 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
545 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
547 dnl This used to use changequote, but, apart from `changequote is evil'
548 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
549 dnl the great gob of text. Thus it's not processed for possible expansion.
550 dnl Just make sure the brackets remain balanced.
552 dnl Since Emacs can't find matching pairs of quotes, boundaries are
553 dnl indicated by comments.
557 ### If you add support for a new configuration, add code to this
558 ### switch statement to recognize your configuration name and select
559 ### the appropriate opsys.
561 ### As far as handling version numbers on operating systems is
562 ### concerned, make sure things will fail in a fixable way. If
563 ### /etc/MACHINES doesn't say anything about version numbers, be
564 ### prepared to handle anything reasonably. If version numbers
565 ### matter, be sure /etc/MACHINES says something about it.
568 case "${canonical}" in
570 ## GNU/Linux and similar ports
585 ## FreeBSD kernel + glibc based userland
596 *-*-openbsd* | *-*-mirbsd* )
600 ## Apple Darwin / Mac OS X
602 case "${canonical}" in
603 *-apple-darwin[0-9].*) unported=yes ;;
604 i[3456]86-* | x86_64-* ) ;;
608 ## Use fink packages if available.
609 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
610 ## if test -d /sw/include && test -d /sw/lib; then
611 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
612 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
621 ## HP 9000 series 700 and 800, running HP/UX
625 hppa*-hp-hpux1[1-9]* )
627 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
631 rs6000-ibm-aix4.[23]* )
634 powerpc-ibm-aix4.[23]* )
637 rs6000-ibm-aix[56]* )
640 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
644 ## Silicon Graphics machines
648 # Without defining _LANGUAGE_C, things get masked out in the headers
649 # so that, for instance, grepping for `free' in stdlib.h fails and
650 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
651 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
656 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
657 | x86_64-*-solaris2* | x86_64-*-sunos5*)
658 case "${canonical}" in
660 amd64-*-*|x86_64-*-*) ;;
664 case "${canonical}" in
665 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
667 emacs_check_sunpro_c=yes
669 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
670 ## Note that Emacs 23.1's NEWS said the following would be dropped.
671 *-sunos5.6* | *-solaris2.6* )
675 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
676 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
678 emacs_check_sunpro_c=yes
681 ## Watch out for a compiler that we know will not work.
682 case "${canonical}" in
683 *-solaris* | *-sunos5* )
684 if [ "x$CC" = x/usr/ucb/cc ]; then
685 ## /usr/ucb/cc doesn't work;
686 ## we should find some other compiler that does work.
694 ## Intel 386 machines where we don't care about the manufacturer.
696 case "${canonical}" in
697 *-darwin* ) opsys=darwin ;;
700 # MinGW overrides and adds some system headers in nt/inc.
701 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
703 *-sysv4.2uw* ) opsys=unixware ;;
704 *-sysv5uw* ) opsys=unixware ;;
705 *-sysv5OpenUNIX* ) opsys=unixware ;;
706 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
712 case "${canonical}" in
715 # MinGW overrides and adds some system headers in nt/inc.
716 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
718 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
727 ### If the code above didn't choose an operating system, just choose
728 ### an operating system based on the configuration name. You really
729 ### only want to use this when you have no idea what the right
730 ### operating system is; if you know what operating systems a machine
731 ### runs, it's cleaner to make it explicit in the case statement
733 if test x"${opsys}" = x; then
734 case "${canonical}" in
735 *-gnu* ) opsys=gnu ;;
745 if test $unported = yes; then
746 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
747 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
748 Check `etc/MACHINES' for recognized configuration names.])
751 #### Choose a compiler.
753 dnl Don't bother to test for C89.
754 AC_DEFUN([_AC_PROG_CC_C89], [$2])
756 dnl Sets GCC=yes if using gcc.
757 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
758 if test -n "$XCRUN"; then
759 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
760 test -n "$AR" && export AR
763 dnl Emacs needs C99 or later.
768 if test x$GCC = xyes; then
769 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
771 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
774 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
775 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
776 dnl that clash with MinGW.
777 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
779 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
780 AC_DEFUN([gl_CRYPTO_CHECK])
781 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
782 # as we don't use them.
783 AC_DEFUN([gl_FCNTL_O_FLAGS])
785 # Initialize gnulib right after choosing the compiler.
786 dnl Amongst other things, this sets AR and ARFLAGS.
789 if test "$ac_test_CFLAGS" != set; then
790 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
791 # if -g3 works and the user does not specify CFLAGS.
792 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
795 emacs_g3_CFLAGS='-g3';;
797 emacs_g3_CFLAGS='-g3 -O2';;
801 if test -n "$emacs_g3_CFLAGS"; then
802 emacs_save_CFLAGS=$CFLAGS
803 CFLAGS=$emacs_g3_CFLAGS
804 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
805 [emacs_cv_prog_cc_g3],
806 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
807 [emacs_cv_prog_cc_g3=yes],
808 [emacs_cv_prog_cc_g3=no])])
809 if test $emacs_cv_prog_cc_g3 != yes; then
810 CFLAGS=$emacs_save_CFLAGS
812 if test $opsys = mingw32; then
813 CFLAGS="$CFLAGS -gdwarf-2"
820 # No optimization flag was inferred for this non-GCC compiler.
821 # Try -O. This is needed for xlc on AIX; see Bug#14258.
822 emacs_save_CFLAGS=$CFLAGS
823 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
825 AC_CACHE_CHECK([whether $CC accepts -O],
826 [emacs_cv_prog_cc_o],
827 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
828 [emacs_cv_prog_cc_o=yes],
829 [emacs_cv_prog_cc_o=no])])
830 if test $emacs_cv_prog_cc_o != yes; then
831 CFLAGS=$emacs_save_CFLAGS
836 AC_ARG_ENABLE([gcc-warnings],
837 [AS_HELP_STRING([--enable-gcc-warnings],
838 [turn on lots of GCC warnings/errors. This is intended for
839 developers, and may generate false alarms when used
840 with older or non-GNU development tools.])],
843 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
845 gl_gcc_warnings=$enableval],
849 # clang is unduly picky about some things.
850 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
857 [emacs_cv_clang=yes],
858 [emacs_cv_clang=no])])
860 # When compiling with GCC, prefer -isystem to -I when including system
861 # include files, to avoid generating useless diagnostics for the files.
862 if test "$gl_gcc_warnings" != yes; then
864 if test "$emacs_cv_clang" = yes
866 # Turn off some warnings if supported.
867 gl_WARN_ADD([-Wno-switch])
868 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
869 gl_WARN_ADD([-Wno-pointer-sign])
870 gl_WARN_ADD([-Wno-string-plus-int])
875 # This, $nw, is the list of warnings we disable.
878 case $with_x_toolkit in
879 lucid | athena | motif)
880 # Old toolkits mishandle 'const'.
881 nw="$nw -Wwrite-strings"
884 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
887 AC_SUBST([WERROR_CFLAGS])
889 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
890 nw="$nw -Woverlength-strings" # Not a problem these days
891 nw="$nw -Wformat-nonliteral" # we do this a lot
892 nw="$nw -Wvla" # Emacs uses <vla.h>.
893 nw="$nw -Wswitch-default" # Too many warnings for now
894 nw="$nw -Winline" # OK to ignore 'inline'
895 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
896 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
897 # signed overflow has undefined behavior
898 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
899 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
900 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
902 # Emacs doesn't care about shadowing; see
903 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
906 # Emacs's use of alloca inhibits protecting the stack.
907 nw="$nw -Wstack-protector"
909 # Emacs's use of partly-const functions such as Fgnutls_available_p
910 # make this option problematic.
911 nw="$nw -Wsuggest-attribute=const"
913 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
914 # option problematic.
915 nw="$nw -Wsuggest-attribute=pure"
917 # This part is merely for shortening the command line,
918 # since -Wno-FOO needs to be added below regardless.
919 nw="$nw -Wmissing-field-initializers"
921 nw="$nw -Wtype-limits"
922 nw="$nw -Wunused-parameter"
924 if test $emacs_cv_clang = yes; then
925 nw="$nw -Wcast-align"
928 gl_MANYWARN_ALL_GCC([ws])
929 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
933 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
934 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
935 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
936 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
937 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
938 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
939 gl_WARN_ADD([-Wno-format-nonliteral])
941 # More things that clang is unduly picky about.
942 if test $emacs_cv_clang = yes; then
943 gl_WARN_ADD([-Wno-format-extra-args])
944 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
945 gl_WARN_ADD([-Wno-unused-command-line-argument])
946 gl_WARN_ADD([-Wno-unused-value])
949 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
950 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
951 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
952 [/* Enable compile-time and run-time bounds-checking, and some warnings,
953 without upsetting glibc 2.15+. */
954 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
955 && defined __OPTIMIZE__ && __OPTIMIZE__)
956 # define _FORTIFY_SOURCE 2
960 # We use a slightly smaller set of warning options for lib/.
961 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
963 nw="$nw -Wunused-macros"
965 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
966 AC_SUBST([GNULIB_WARN_CFLAGS])
976 AC_ARG_ENABLE(link-time-optimization,
977 [AS_HELP_STRING([--enable-link-time-optimization],
978 [build emacs with link-time optimization.
979 This requires GCC 4.5.0 or later, or clang.
980 (Note that clang support is experimental - see INSTALL.)
981 It also makes Emacs harder to debug, and when we tried it
982 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
983 recommended for typical use.])],
984 if test "${enableval}" != "no"; then
986 if test $emacs_cv_clang = yes; then
987 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
988 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
989 if test -x "$GOLD_PLUGIN"; then
992 elif test x$GCC = xyes; then
993 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
994 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
995 if test x$CPUS != x; then
1001 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
1003 if test -z "$LTO"; then
1007 CFLAGS="$CFLAGS $LTO"
1008 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
1009 [ac_lto_supported=yes], [ac_lto_supported=no])
1010 CFLAGS="$old_CFLAGS"
1012 AC_MSG_RESULT([$ac_lto_supported])
1013 if test "$ac_lto_supported" = "yes"; then
1014 CFLAGS="$CFLAGS $LTO"
1015 if test x$emacs_cv_clang = xyes; then
1016 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1017 # WARNING: 'ar --plugin ...' doesn't work without
1018 # command, so plugin name is appended to ARFLAGS.
1019 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1020 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1022 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1023 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1024 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1025 dnl dump core on Fedora 20, so play it safe for now.
1026 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1027 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1032 dnl Prefer silent make output. For verbose output, use
1033 dnl 'configure --disable-silent-rules' or 'make V=1' .
1034 AM_SILENT_RULES([yes])
1035 dnl Port to Automake 1.11.
1036 dnl This section can be removed once we assume Automake 1.14 or later.
1037 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1038 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1040 AM_SUBST_NOTMAKE([AM_V])
1041 AC_SUBST([AM_DEFAULT_V])
1042 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1043 AC_SUBST([AM_DEFAULT_VERBOSITY])
1045 dnl Some other nice autoconf tests.
1046 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1049 dnl if test "x$RANLIB" = x; then
1054 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1055 dnl can be made to directories. This is not relevant for our usage, and
1056 dnl excludes some cases that work fine for us. Eg MS Windows or files
1057 dnl hosted on AFS, both examples where simple links work, but links to
1058 dnl directories fail. We use a cut-down version instead.
1061 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1062 rm -f conf$$ conf$$.file
1064 LN_S_FILEONLY='cp -p'
1066 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1067 dnl random program in the current directory.
1068 if (echo >conf$$.file) 2>/dev/null; then
1069 if ln -s conf$$.file conf$$ 2>/dev/null; then
1070 if test "$opsys" = "mingw32"; then
1071 LN_S_FILEONLY='/bin/ln -s'
1073 LN_S_FILEONLY='ln -s'
1075 elif ln conf$$.file conf$$ 2>/dev/null; then
1076 if test "$opsys" = "mingw32"; then
1077 LN_S_FILEONLY=/bin/ln
1084 rm -f conf$$ conf$$.file
1086 if test "$LN_S_FILEONLY" = "ln -s"; then
1087 AC_MSG_RESULT([yes])
1089 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1092 AC_SUBST(LN_S_FILEONLY)
1095 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1096 dnl doesn't support links to directories, as in "ln file dir". But that
1097 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1098 dnl executables at "make install" time.
1099 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1100 dnl for more details.
1101 if test "$opsys" = "mingw32"; then
1105 dnl On some Debian versions, "install-info" prints irritating messages
1106 dnl "This is not dpkg install-info anymore, but GNU install-info"
1107 dnl if called via an absolute file name.
1108 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1109 dnl Sadly some people may have an old ginstall-info installed on
1110 dnl non-Debian systems, so we can't use this.
1111 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1112 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1114 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1115 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1116 dnl Don't use GZIP, which is used by gzip for additional parameters.
1117 AC_PATH_PROG(GZIP_PROG, gzip)
1119 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1120 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1122 if test $opsys = gnu-linux; then
1123 AC_PATH_PROG(PAXCTL, paxctl,,
1124 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1125 if test "X$PAXCTL" != X; then
1126 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1127 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1128 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1129 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1132 if test "${SETFATTR+set}" != set; then
1133 AC_CACHE_CHECK([for setfattr],
1134 [emacs_cv_prog_setfattr],
1136 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1137 emacs_cv_prog_setfattr=yes
1139 emacs_cv_prog_setfattr=no
1141 if test "$emacs_cv_prog_setfattr" = yes; then
1147 AC_SUBST([SETFATTR])
1151 ## Need makeinfo >= 4.7 (?) to build the manuals.
1152 if test "$MAKEINFO" != "no"; then
1153 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1156 case `($MAKEINFO --version) 2>/dev/null` in
1157 *' (GNU texinfo) '4.[[7-9]]* | \
1158 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1159 *' (GNU texinfo) '[[5-9]]* | \
1160 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1165 ## Makeinfo is unusual. For a released Emacs, the manuals are
1166 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1167 ## therefore in the category of "special tools" not normally required, which
1168 ## configure does not have to check for (eg autoconf itself).
1169 ## In a repository checkout on the other hand, the manuals are not included.
1170 ## So makeinfo is a requirement to build from the repository, and configure
1171 ## should test for it as it does for any other build requirement.
1172 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1173 ## with pre-built manuals, from a repository checkout.
1176 if test "$MAKEINFO" = "no"; then
1178 if test "x${with_makeinfo}" = "xno"; then
1180 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1181 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1182 source tree does not seem to have pre-built manuals in the `info' directory.
1183 Either install a suitable version of makeinfo, or re-run configure
1184 with the `--without-makeinfo' option to build without the manuals.] )
1187 AC_SUBST(HAVE_MAKEINFO)
1189 if test $opsys = mingw32; then
1190 DOCMISC_W32=efaq-w32
1194 AC_SUBST(DOCMISC_W32)
1196 dnl Add our options to ac_link now, after it is set up.
1198 if test x$GCC = xyes; then
1199 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1200 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1202 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1203 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1206 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1207 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1208 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1209 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1210 dnl if not built to support GNU ld.
1212 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1213 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1214 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1215 dnl Eg "make LDFLAGS=... all" could run into problems,
1216 dnl http://bugs.debian.org/684788
1217 dnl * unnecessary, since temacs is the only thing that actually needs it.
1218 dnl Indeed this is where it was originally, prior to:
1219 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1220 late_LDFLAGS="$LDFLAGS"
1221 if test x$GCC = xyes; then
1222 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1224 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1227 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1229 AC_MSG_CHECKING([for -znocombreloc])
1230 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1231 [AC_MSG_RESULT(yes)],
1232 LDFLAGS_NOCOMBRELOC=
1233 [AC_MSG_RESULT(no)])
1235 LDFLAGS="$late_LDFLAGS"
1237 AC_CACHE_CHECK([whether addresses are sanitized],
1238 [emacs_cv_sanitize_address],
1241 [[#ifndef __has_feature
1242 #define __has_feature(f) 0
1244 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1246 error "Addresses are not sanitized.";
1249 [emacs_cv_sanitize_address=yes],
1250 [emacs_cv_sanitize_address=no])])
1252 dnl The function dump-emacs will not be defined and temacs will do
1253 dnl (load "loadup") automatically unless told otherwise.
1254 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1256 your-opsys-here) CANNOT_DUMP=yes ;;
1259 if test "$CANNOT_DUMP" = "yes"; then
1260 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1261 elif test "$emacs_cv_sanitize_address" = yes; then
1262 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1265 AC_SUBST(CANNOT_DUMP)
1268 UNEXEC_OBJ=unexelf.o
1270 # MSDOS uses unexcoff.o
1272 UNEXEC_OBJ=unexaix.o
1278 UNEXEC_OBJ=unexmacosx.o
1281 UNEXEC_OBJ=unexhp9k800.o
1284 UNEXEC_OBJ=unexw32.o
1287 # Use the Solaris dldump() function, called from unexsol.c, to dump
1288 # emacs, instead of the generic ELF dump code found in unexelf.c.
1289 # The resulting binary has a complete symbol table, and is better
1290 # for debugging and other observability tools (debuggers, pstack, etc).
1292 # If you encounter a problem using dldump(), please consider sending
1293 # a message to the OpenSolaris tools-linking mailing list:
1294 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1296 # It is likely that dldump() works with older Solaris too, but this has
1297 # not been tested, so for now this change is for Solaris 10 or newer.
1298 UNEXEC_OBJ=unexsol.o
1305 ## Let `ld' find image libs and similar things in /usr/local/lib.
1306 ## The system compiler, GCC, has apparently been modified to not
1307 ## look there, contrary to what a stock GCC would do.
1308 ### It's not our place to do this. See bug#10313#17.
1309 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1314 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1315 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1319 ### It's not our place to do this. See bug#10313#17.
1320 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1325 ## Han Boetes <han@boetes.org> says this is necessary,
1326 ## otherwise Emacs dumps core on elf systems.
1327 LD_SWITCH_SYSTEM="-Z"
1330 AC_SUBST(LD_SWITCH_SYSTEM)
1332 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1334 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1335 ## which has not been defined yet. When this was handled with cpp,
1336 ## it was expanded to null when configure sourced the s/*.h file.
1337 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1338 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1339 ## (or somesuch), but because it is supposed to go at the _front_
1340 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1341 ## Compare with the gnu-linux case below, which added to the end
1342 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1343 ## LD_SWITCH_SYSTEM_TEMACS.
1346 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1353 AC_CHECK_DECL([__ELF__])
1354 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1355 ## With ELF, make sure that all common symbols get allocated to in the
1356 ## data section. Otherwise, the dump of temacs may miss variables in
1357 ## the shared library that have been initialized. For example, with
1358 ## GNU libc, __malloc_initialized would normally be resolved to the
1359 ## shared library's .bss section, which is fatal.
1360 if test "x$GCC" = "xyes"; then
1361 C_SWITCH_MACHINE="-fno-common"
1363 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1366 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1367 dnl albeit under the mistaken assumption that said file
1368 dnl was no longer used.
1369 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1373 AC_SUBST(C_SWITCH_MACHINE)
1375 AC_SUBST(UNEXEC_OBJ)
1378 ## Some programs in src produce warnings saying certain subprograms
1379 ## are too complex and need a MAXMEM value greater than 2000 for
1380 ## additional optimization. --nils@exp-math.uni-essen.de
1381 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1382 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1383 if test "$opsys" = "mingw32"; then
1384 case "$canonical" in
1385 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1386 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1389 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1390 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1391 AC_SUBST(C_SWITCH_SYSTEM)
1396 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1397 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1399 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1401 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1403 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1405 ## Motif needs -lgen.
1406 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1409 AC_SUBST(LIBS_SYSTEM)
1411 ### Make sure subsequent tests use flags consistent with the build flags.
1413 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1414 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1416 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1419 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1420 AC_DEFUN([AC_TYPE_SIZE_T])
1421 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1422 AC_DEFUN([AC_TYPE_UID_T])
1424 # sqrt and other floating-point functions such as fmod and frexp
1425 # are found in -lm on many systems.
1427 AC_SEARCH_LIBS([sqrt], [m])
1428 if test "X$LIBS" = "X$OLD_LIBS"; then
1431 LIB_MATH=$ac_cv_search_sqrt
1435 dnl Current possibilities handled by sed (aix4-2 -> aix,
1436 dnl gnu-linux -> gnu/linux, etc.):
1437 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1438 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1439 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1446 ## Adding -lm confuses the dynamic linker, so omit it.
1449 freebsd | dragonfly )
1450 SYSTEM_TYPE=berkeley-unix
1452 gnu-linux | gnu-kfreebsd )
1454 hpux10-20 | hpux11 )
1458 SYSTEM_TYPE=windows-nt
1460 dnl NB this may be adjusted below.
1462 SYSTEM_TYPE=berkeley-unix
1466 SYSTEM_TYPE=usg-unix-v
1472 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1473 [The type of system you are compiling for; sets `system-type'.])
1476 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1477 pre_PKG_CONFIG_LIBS=$LIBS
1479 PKG_PROG_PKG_CONFIG(0.9.0)
1481 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1482 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1483 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1484 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1485 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1486 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1488 AC_DEFUN([EMACS_CHECK_MODULES],
1489 [PKG_CHECK_MODULES([$1], [$2],
1490 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1491 m4_default([$3], [HAVE_$1=yes])],
1492 [m4_default([$4], [HAVE_$1=no])])])
1495 if test "${with_sound}" != "no"; then
1496 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1497 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1498 have_sound_header=yes, [], [
1500 #define WIN32_LEAN_AND_MEAN
1501 #include <windows.h>
1504 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1505 AC_MSG_ERROR([OSS sound support requested but not found.])
1507 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1508 # Emulation library used on NetBSD.
1509 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1510 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1511 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1512 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1513 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1517 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1519 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1520 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1521 if test $HAVE_ALSA = yes; then
1522 SAVE_CFLAGS="$CFLAGS"
1524 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1525 LIBS="$ALSA_LIBS $LIBS"
1526 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1527 emacs_alsa_normal=yes,
1528 emacs_alsa_normal=no)
1529 if test "$emacs_alsa_normal" != yes; then
1530 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1531 [[snd_lib_error_set_handler (0);]])],
1532 emacs_alsa_subdir=yes,
1533 emacs_alsa_subdir=no)
1534 if test "$emacs_alsa_subdir" != yes; then
1535 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1537 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1540 CFLAGS="$SAVE_CFLAGS"
1542 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1543 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1544 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1545 elif test "${with_sound}" = "alsa"; then
1546 AC_MSG_ERROR([ALSA sound support requested but not found.])
1548 fi dnl with_sound = alsa|yes
1550 dnl Define HAVE_SOUND if we have sound support. We know it works and
1551 dnl compiles only on the specified platforms. For others, it
1552 dnl probably doesn't make sense to try.
1553 dnl FIXME So surely we should bypass this whole section if not using
1554 dnl one of these platforms?
1555 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1557 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1558 dnl Adjust the --with-sound help text if you change this.
1559 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1560 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1566 AC_SUBST(CFLAGS_SOUND)
1569 dnl checks for header files
1570 AC_CHECK_HEADERS_ONCE(
1575 sys/utsname.h pwd.h utmp.h util.h)
1577 AC_MSG_CHECKING(if personality LINUX32 can be set)
1578 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1579 emacs_cv_personality_linux32=yes,
1580 emacs_cv_personality_linux32=no)
1581 AC_MSG_RESULT($emacs_cv_personality_linux32)
1583 if test $emacs_cv_personality_linux32 = yes; then
1584 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1585 [Define to 1 if personality LINUX32 can be set.])
1588 # Note that Solaris has sys/sysinfo.h which defines struct
1589 # sysinfo as well. To make sure that we're using GNU/Linux
1590 # sysinfo, we explicitly set one of its fields.
1591 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1592 AC_MSG_CHECKING([if Linux sysinfo may be used])
1593 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1594 [[struct sysinfo si;
1597 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1598 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1599 if test $emacs_cv_linux_sysinfo = yes; then
1600 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1601 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1602 [[struct sysinfo si; return si.mem_unit]])],
1603 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1604 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1608 dnl On Solaris 8 there's a compilation warning for term.h because
1609 dnl it doesn't define `bool'.
1610 AC_CHECK_HEADERS(term.h, , , -)
1612 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1614 if test $ac_cv_have_decl_sys_siglist != yes; then
1615 # For Tru64, at least:
1616 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1621 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1622 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1623 #if HAVE_SYS_SOCKET_H
1624 #include <sys/socket.h>
1626 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1627 #if HAVE_SYS_SOCKET_H
1628 #include <sys/socket.h>
1630 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1631 #if HAVE_SYS_SOCKET_H
1632 #include <sys/socket.h>
1635 dnl checks for structure members
1636 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1637 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1638 struct ifreq.ifr_addr,
1639 struct ifreq.ifr_addr.sa_len], , ,
1640 [AC_INCLUDES_DEFAULT
1641 #if HAVE_SYS_SOCKET_H
1642 #include <sys/socket.h>
1648 dnl Check for endianness.
1649 dnl AC_C_BIGENDIAN is done by gnulib.
1651 dnl check for Make feature
1656 dnl check if we have GCC and autodepend is on.
1657 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1658 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1659 SAVE_CFLAGS="$CFLAGS"
1660 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1661 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1662 CFLAGS="$SAVE_CFLAGS"
1663 test -f deps.d || ac_enable_autodepend=no
1665 AC_MSG_RESULT([$ac_enable_autodepend])
1666 if test $ac_enable_autodepend = yes; then
1667 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1668 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1669 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1670 deps_frag=autodeps.mk
1673 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1674 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1675 deps_frag=$srcdir/src/$deps_frag
1678 AC_SUBST_FILE(deps_frag)
1679 AC_SUBST_FILE(lwlib_deps_frag)
1680 AC_SUBST_FILE(oldxmenu_deps_frag)
1682 lisp_frag=$srcdir/src/lisp.mk
1683 AC_SUBST_FILE(lisp_frag)
1686 dnl checks for operating system services
1687 AC_SYS_LONG_FILE_NAMES
1689 #### Choose a window system.
1691 ## We leave window_system equal to none if
1692 ## we end up building without one. Any new window system should
1693 ## set window_system to an appropriate value and add objects to
1694 ## window-system-specific substs.
1698 if test "$no_x" != yes; then
1702 LD_SWITCH_X_SITE_RPATH=
1703 if test "${x_libraries}" != NONE; then
1704 if test -n "${x_libraries}"; then
1705 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1706 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1708 x_default_search_path=""
1709 x_search_path=${x_libraries}
1710 if test -z "${x_search_path}"; then
1711 x_search_path=/usr/lib
1713 for x_library in `echo ${x_search_path}: | \
1714 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1716 ${x_library}/X11/%L/%T/%N%C%S:\
1717 ${x_library}/X11/%l/%T/%N%C%S:\
1718 ${x_library}/X11/%T/%N%C%S:\
1719 ${x_library}/X11/%L/%T/%N%S:\
1720 ${x_library}/X11/%l/%T/%N%S:\
1721 ${x_library}/X11/%T/%N%S"
1722 if test x"${x_default_search_path}" = x; then
1723 x_default_search_path=${x_search_path}
1725 x_default_search_path="${x_search_path}:${x_default_search_path}"
1729 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1731 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1732 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1735 if test x"${x_includes}" = x; then
1736 bitmapdir=/usr/include/X11/bitmaps
1738 # accumulate include directories that have X11 bitmap subdirectories
1740 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1741 if test -d "${bmd}/X11/bitmaps"; then
1742 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1744 if test -d "${bmd}/bitmaps"; then
1745 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1748 if test ${bmd_acc} != "dummyval"; then
1749 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1754 NS_GNUSTEP_CONFIG=no
1757 tmp_CPPFLAGS="$CPPFLAGS"
1758 tmp_CFLAGS="$CFLAGS"
1759 CPPFLAGS="$CPPFLAGS -x objective-c"
1760 CFLAGS="$CFLAGS -x objective-c"
1763 if test "${with_ns}" != no; then
1764 if test "${opsys}" = darwin; then
1766 ns_appdir=`pwd`/nextstep/Emacs.app
1767 ns_appbindir=${ns_appdir}/Contents/MacOS
1768 ns_appresdir=${ns_appdir}/Contents/Resources
1769 ns_appsrc=Cocoa/Emacs.base
1770 ns_fontfile=macfont.o
1771 elif flags=$( (gnustep-config --objc-flags) 2>/dev/null); then
1773 NS_GNUSTEP_CONFIG=yes
1774 GNU_OBJC_CFLAGS=$flags
1775 LIBS_GNUSTEP=$(gnustep-config --gui-libs) || exit
1776 elif test -f $GNUSTEP_CONFIG_FILE; then
1778 dnl FIXME sourcing this several times in subshells seems inefficient.
1779 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1780 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1781 dnl I seemed to need these as well with GNUstep-startup 0.25.
1782 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1783 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1784 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1785 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1786 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1787 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1788 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1789 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1790 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1791 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1792 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1793 dnl If they had chosen to either define it or not, we could have
1794 dnl just used AC_CHECK_DECL here.
1795 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1796 emacs_cv_objc_exceptions,
1797 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1798 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1802 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1803 if test $emacs_cv_objc_exceptions = yes; then
1804 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1805 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1806 [Define if GNUstep uses ObjC exceptions.])
1807 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1810 if test $NS_IMPL_GNUSTEP = yes; then
1811 ns_appdir=`pwd`/nextstep/Emacs.app
1812 ns_appbindir=${ns_appdir}
1813 ns_appresdir=${ns_appdir}/Resources
1814 ns_appsrc=GNUstep/Emacs.base
1815 ns_fontfile=nsfont.o
1818 dnl This is only used while we test the NS headers, it gets reset below.
1819 CPPFLAGS="$CPPFLAGS $GNU_OBJC_CFLAGS"
1820 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1822 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1823 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1824 files are missing or cannot be compiled.])])
1827 if test "${NS_IMPL_COCOA}" = "yes"; then
1828 AC_MSG_CHECKING([for OSX 10.6 or newer])
1829 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1831 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1832 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1835 error "OSX 10.6 or newer required";
1839 ns_osx_have_106=yes,
1841 AC_MSG_RESULT([$ns_osx_have_106])
1843 if test $ns_osx_have_106 = no; then
1844 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1849 AC_SUBST(LIBS_GNUSTEP)
1851 INSTALL_ARCH_INDEP_EXTRA=install-etc
1852 ns_self_contained=no
1855 if test "${HAVE_NS}" = yes; then
1856 if test "$with_toolkit_scroll_bars" = "no"; then
1857 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1860 window_system=nextstep
1861 # set up packaging dirs
1862 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1863 ns_self_contained=yes
1864 prefix=${ns_appresdir}
1865 exec_prefix=${ns_appbindir}
1866 dnl This one isn't really used, only archlibdir is.
1867 libexecdir="\${ns_appbindir}/libexec"
1868 archlibdir="\${ns_appbindir}/libexec"
1869 etcdocdir="\${ns_appresdir}/etc"
1870 etcdir="\${ns_appresdir}/etc"
1871 dnl FIXME maybe set datarootdir instead.
1872 dnl That would also get applications, icons, man.
1873 infodir="\${ns_appresdir}/info"
1874 mandir="\${ns_appresdir}/man"
1875 lispdir="\${ns_appresdir}/lisp"
1876 INSTALL_ARCH_INDEP_EXTRA=
1879 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1881 CFLAGS="$tmp_CFLAGS"
1882 CPPFLAGS="$tmp_CPPFLAGS"
1883 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1884 AC_SUBST(ns_self_contained)
1886 AC_SUBST(NS_OBJC_OBJ)
1897 if test "${with_w32}" != no; then
1900 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1901 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1902 cannot be found.])])
1905 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1908 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1913 if test "${opsys}" = "mingw32"; then
1914 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1915 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1916 #include <windows.h>
1917 #include <usp10.h>]],
1918 [[PIMAGE_NT_HEADERS pHeader;
1919 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1920 [emacs_cv_w32api=yes
1923 AC_MSG_RESULT($emacs_cv_w32api)
1924 if test "${emacs_cv_w32api}" = "no"; then
1925 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1936 if test "${HAVE_W32}" = "yes"; then
1937 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1938 if test "$with_toolkit_scroll_bars" = "no"; then
1939 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for w32 build.])
1941 AC_CHECK_TOOL(WINDRES, [windres],
1942 [AC_MSG_ERROR([No resource compiler found.])])
1943 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1944 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1945 EMACSRES="emacs.res"
1946 case "$canonical" in
1947 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1948 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1950 dnl Construct something of the form "24,4,0,0" with 4 components.
1951 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1953 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1954 AC_SUBST(comma_version)
1955 AC_SUBST(comma_space_version)
1956 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1957 if test "${opsys}" = "cygwin"; then
1958 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1959 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1960 # Tell the linker that emacs.res is an object (which we compile from
1961 # the rc file), not a linker script.
1962 W32_RES_LINK="-Wl,emacs.res"
1964 UPDATE_MANIFEST=update-game-score.exe.manifest
1965 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1966 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1967 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1968 W32_RES_LINK="\$(EMACSRES)"
1969 CLIENTRES="emacsclient.res"
1970 CLIENTW="emacsclientw\$(EXEEXT)"
1971 FIRSTFILE_OBJ=firstfile.o
1974 LIBS_ECLIENT="-lcomctl32"
1975 LIB_WSOCK32="-lwsock32"
1976 NTLIB="ntlib.$ac_objext"
1977 XARGS_LIMIT="-s 10000"
1983 AC_SUBST(EMACS_MANIFEST)
1984 AC_SUBST(UPDATE_MANIFEST)
1987 AC_SUBST(W32_RES_LINK)
1988 AC_SUBST(FIRSTFILE_OBJ)
1991 AC_SUBST(LIBS_ECLIENT)
1992 AC_SUBST(LIB_WSOCK32)
1994 AC_SUBST(XARGS_LIMIT)
1996 if test "${HAVE_W32}" = "yes"; then
2001 ## $window_system is now set to the window system we will
2004 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
2005 # Too many warnings for now.
2007 nw="$nw -Wsuggest-attribute=noreturn"
2008 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
2010 gl_WARN_ADD([-Wno-unused-variable])
2011 gl_WARN_ADD([-Wno-unused-but-set-variable])
2012 gl_WARN_ADD([-Wno-unused-but-set-parameter])
2020 case "${window_system}" in
2025 case "${with_x_toolkit}" in
2026 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
2027 motif ) USE_X_TOOLKIT=MOTIF ;;
2029 term_header=gtkutil.h
2030 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2031 dnl USE_X_TOOLKIT is set.
2032 USE_X_TOOLKIT=none ;;
2033 gtk2 ) with_gtk2=yes
2034 term_header=gtkutil.h
2035 USE_X_TOOLKIT=none ;;
2036 gtk3 ) with_gtk3=yes
2037 term_header=gtkutil.h
2038 USE_X_TOOLKIT=none ;;
2039 no ) USE_X_TOOLKIT=none ;;
2040 dnl If user did not say whether to use a toolkit, make this decision later:
2041 dnl use the toolkit if we have gtk, or X11R5 or newer.
2042 * ) USE_X_TOOLKIT=maybe ;;
2046 term_header=nsterm.h
2049 term_header=w32term.h
2053 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2054 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2055 if test "$HAVE_XSERVER" = true ||
2056 test -n "$DISPLAY" ||
2057 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2058 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2059 were found. You should install the relevant development files for X
2060 and for the toolkit you want, such as Gtk+ or Motif. Also make
2061 sure you have development files for image handling, i.e.
2062 tiff, gif, jpeg, png and xpm.
2063 If you are sure you want Emacs compiled without X window support, pass
2069 # Does the opsystem file prohibit the use of the GNU malloc?
2070 # Assume not, until told otherwise.
2074 [whether malloc is Doug Lea style],
2075 [emacs_cv_var_doug_lea_malloc],
2076 [emacs_cv_var_doug_lea_malloc=no
2077 dnl Hooks do not work with address sanitization.
2078 if test "$emacs_cv_sanitize_address" != yes; then
2081 [[#include <malloc.h>
2082 static void hook (void) {}]],
2083 [[malloc_set_state (malloc_get_state ());
2084 __after_morecore_hook = hook;
2085 __malloc_initialize_hook = hook;]])],
2086 [emacs_cv_var_doug_lea_malloc=yes])])
2088 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2090 system_malloc=$emacs_cv_sanitize_address
2095 ## darwin ld insists on the use of malloc routines in the System framework.
2096 darwin|mingw32|sol2-10) system_malloc=yes ;;
2097 cygwin) hybrid_malloc=yes;;
2101 if test "${system_malloc}" = "yes"; then
2102 AC_DEFINE([SYSTEM_MALLOC], 1,
2103 [Define to 1 to use the system memory allocator, even if it is not
2107 (The GNU allocators don't work with this system configuration.)"
2109 elif test "$hybrid_malloc" = yes; then
2110 AC_DEFINE(HYBRID_MALLOC, 1,
2111 [Define to use gmalloc before dumping and the system malloc after.])
2113 GNU_MALLOC_reason="only before dumping"
2114 GMALLOC_OBJ=gmalloc.o
2117 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2118 VMLIMIT_OBJ=vm-limit.o
2120 AC_CHECK_HEADERS([sys/vlimit.h])
2121 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2124 [[extern char data_start[]; char ch;]],
2125 [[return data_start < &ch;]])],
2126 [emacs_cv_data_start=yes],
2127 [emacs_cv_data_start=no])])
2128 if test $emacs_cv_data_start = yes; then
2129 AC_DEFINE([HAVE_DATA_START], 1,
2130 [Define to 1 if data_start is the address of the start
2131 of the main data segment.])
2134 AC_SUBST(GMALLOC_OBJ)
2135 AC_SUBST(VMLIMIT_OBJ)
2137 if test "$doug_lea_malloc" = "yes" ; then
2138 if test "$GNU_MALLOC" = yes ; then
2140 (Using Doug Lea's new malloc from the GNU C Library.)"
2142 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2143 [Define to 1 if the system memory allocator is Doug Lea style,
2144 with malloc hooks and malloc_set_state.])
2146 ## Use mmap directly for allocating larger buffers.
2147 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2148 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2149 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2151 mingw32|gnu*) REL_ALLOC=no ;;
2155 if test x"${REL_ALLOC}" = x; then
2156 REL_ALLOC=${GNU_MALLOC}
2159 use_mmap_for_buffers=no
2161 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2165 if test $use_mmap_for_buffers = yes; then
2166 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2170 LIBS="$LIBS_SYSTEM $LIBS"
2172 dnl FIXME replace main with a function we actually want from this library.
2173 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2175 dnl Check for the POSIX thread library.
2177 if test "$opsys" != "mingw32"; then
2178 AC_CHECK_HEADERS_ONCE(pthread.h)
2179 if test "$ac_cv_header_pthread_h"; then
2180 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2181 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2182 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2183 if test "$GMALLOC_OBJ" = gmalloc.o; then
2184 emacs_pthread_function=pthread_atfork
2186 emacs_pthread_function=pthread_kill
2189 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2190 [AC_DEFINE([HAVE_PTHREAD], [1],
2191 [Define to 1 if you have pthread (-lpthread).])
2192 # Some systems optimize for single-threaded programs by default, and
2193 # need special flags to disable these optimizations. For example, the
2194 # definition of 'errno' in <errno.h>.
2197 AC_DEFINE([_REENTRANT], 1,
2198 [Define to 1 if your system requires this in multithreaded code.]);;
2200 AC_DEFINE([_THREAD_SAFE], 1,
2201 [Define to 1 if your system requires this in multithreaded code.]);;
2203 if test "X$LIBS" != "X$OLD_LIBS"; then
2204 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2208 AC_SUBST([LIB_PTHREAD])
2211 dnl Check for need for bigtoc support on IBM AIX
2215 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2217 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2218 *) gdb_cv_bigtoc=-bbigtoc ;;
2221 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2222 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2227 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2228 # is for the tests that follow. We set them back later on.
2230 REAL_CFLAGS="$CFLAGS"
2231 REAL_CPPFLAGS="$CPPFLAGS"
2234 if test "${HAVE_X11}" = "yes"; then
2235 DEFS="$C_SWITCH_X_SITE $DEFS"
2236 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2238 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2239 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2241 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2242 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2243 # but it's more convenient here to set LD_RUN_PATH since this
2244 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2245 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2246 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2250 if test "${opsys}" = "gnu-linux"; then
2251 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2252 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2253 [[XOpenDisplay ("foo");]])],
2254 [xgnu_linux_first_failure=no],
2255 [xgnu_linux_first_failure=yes])
2256 if test "${xgnu_linux_first_failure}" = "yes"; then
2257 OLD_CPPFLAGS="$CPPFLAGS"
2259 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2260 LIBS="$LIBS -b i486-linuxaout"
2261 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2262 [[XOpenDisplay ("foo");]])],
2263 [xgnu_linux_second_failure=no],
2264 [xgnu_linux_second_failure=yes])
2265 if test "${xgnu_linux_second_failure}" = "yes"; then
2266 # If we get the same failure with -b, there is no use adding -b.
2267 # So leave it out. This plays safe.
2270 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2271 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2274 CPPFLAGS=$OLD_CPPFLAGS
2281 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2282 # header files included from there.
2283 AC_MSG_CHECKING(for Xkb)
2284 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2285 #include <X11/XKBlib.h>]],
2286 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2287 emacs_xkb=yes, emacs_xkb=no)
2288 AC_MSG_RESULT($emacs_xkb)
2289 if test $emacs_xkb = yes; then
2290 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2293 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2294 XScreenNumberOfScreen)
2297 if test "${window_system}" = "x11"; then
2298 AC_MSG_CHECKING(X11 version 6)
2299 AC_CACHE_VAL(emacs_cv_x11_version_6,
2300 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2301 [[#if XlibSpecificationRelease < 6
2304 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2305 if test $emacs_cv_x11_version_6 = yes; then
2306 AC_MSG_RESULT(6 or newer)
2307 AC_DEFINE(HAVE_X11R6, 1,
2308 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2309 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2310 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2314 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2315 [Define if you have usable X11R6-style XIM support.])
2319 AC_MSG_RESULT(before 6)
2324 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2326 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2327 if test "${with_rsvg}" != "no"; then
2328 RSVG_REQUIRED=2.11.0
2329 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2331 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2332 AC_SUBST(RSVG_CFLAGS)
2335 if test $HAVE_RSVG = yes; then
2336 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2337 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2338 # Windows loads librsvg dynamically
2339 if test "${opsys}" = "mingw32"; then
2347 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2348 if test "${with_imagemagick}" != "no"; then
2349 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2350 ## 6.8.2 makes Emacs crash; see Bug#13867.
2351 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2352 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2353 AC_SUBST(IMAGEMAGICK_CFLAGS)
2354 AC_SUBST(IMAGEMAGICK_LIBS)
2356 if test $HAVE_IMAGEMAGICK = yes; then
2357 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2360 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2361 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2362 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2372 gtk_term_header=$term_header
2375 if test "${opsys}" != "mingw32"; then
2376 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2379 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2381 dnl Checks for libraries.
2382 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2383 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2384 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2385 AC_MSG_ERROR($GTK_PKG_ERRORS)
2387 if test "$pkg_check_gtk" = "yes"; then
2388 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2389 GTK_OBJ=emacsgtkfixed.o
2390 gtk_term_header=gtkutil.h
2391 USE_GTK_TOOLKIT="GTK3"
2392 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2393 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2394 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2395 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2396 [Define to 1 to disable Glib deprecation warnings.])
2400 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2404 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2407 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2409 dnl Checks for libraries.
2410 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2411 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2412 if test "$pkg_check_gtk" = "no" &&
2413 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2415 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2417 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2424 if test x"$pkg_check_gtk" = xyes; then
2427 CFLAGS="$CFLAGS $GTK_CFLAGS"
2428 LIBS="$GTK_LIBS $LIBS"
2429 dnl Try to compile a simple GTK program.
2430 AC_MSG_CHECKING([whether GTK compiles])
2434 [[/* Check the Gtk and Glib APIs. */
2435 #include <gtk/gtk.h>
2436 #include <glib-object.h>
2438 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2442 GtkSettings *gs = 0;
2443 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2444 strict C prohibits this. Use gtk_main_iteration to test that the
2445 libraries are there. */
2446 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2447 0, 0, 0, G_CALLBACK (callback), 0))
2448 gtk_main_iteration ();
2451 AC_MSG_RESULT([$GTK_COMPILES])
2452 if test "${GTK_COMPILES}" != "yes"; then
2454 if test "$USE_X_TOOLKIT" != "maybe"; then
2455 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2458 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2460 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2461 GTK_OBJ="gtkutil.o $GTK_OBJ"
2462 term_header=$gtk_term_header
2464 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2467 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2468 closing open displays. This is no problem if you just use
2469 one display, but if you use more than one and close one of them
2479 if test "${HAVE_GTK}" = "yes"; then
2481 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2482 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2483 if test "$with_toolkit_scroll_bars" != no; then
2484 with_toolkit_scroll_bars=yes
2487 dnl Check if we have the old file selection dialog declared and
2488 dnl in the link library. In 2.x it may be in the library,
2489 dnl but not declared if deprecated featured has been selected out.
2490 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2491 HAVE_GTK_FILE_SELECTION=no
2492 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2493 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2494 #include <gtk/gtk.h>])
2495 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2496 AC_CHECK_FUNCS(gtk_file_selection_new)
2499 dnl Same as above for gtk_handle_box.
2500 HAVE_GTK_HANDLE_BOX=no
2501 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2502 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2503 #include <gtk/gtk.h>])
2504 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2505 AC_CHECK_FUNCS(gtk_handle_box_new)
2508 dnl Same as above for gtk_tearoff_menu_item.
2509 HAVE_GTK_TEAROFF_MENU_ITEM=no
2510 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2511 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2512 #include <gtk/gtk.h>])
2513 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2514 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2517 dnl Check for functions introduced in 2.14 and later.
2518 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2519 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2520 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2521 gtk_orientable_set_orientation \
2522 gtk_window_set_has_resize_grip)
2524 term_header=gtkutil.h
2532 if test "${with_xwidgets}" != "no" && test "${USE_GTK_TOOLKIT}" = "GTK3" && test "$window_system" != "none" ; then
2533 echo "xwidgets enabled, checking webkit, and others"
2535 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2537 dnl - enable only if GTK3 is enabled, and we have a window system
2538 dnl - check for webkit and gobject introspection
2541 #webkit version for gtk3.
2542 WEBKIT_REQUIRED=1.4.0
2543 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2545 if test "${with_gtk3}" = "yes"; then
2546 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2547 if test $HAVE_WEBKIT = yes; then
2548 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2553 GIR_MODULES="gobject-introspection-1.0 >= $GIR_REQUIRED"
2554 PKG_CHECK_MODULES(GIR, $GIR_MODULES, HAVE_GIR=yes, HAVE_GIR=no)
2555 if test $HAVE_GIR = yes; then
2556 AC_DEFINE(HAVE_GIR, 1, [Define to 1 if you have GIR support.])
2565 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2566 dnl other platforms.
2569 if test "${with_dbus}" = "yes"; then
2570 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2571 if test "$HAVE_DBUS" = yes; then
2572 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2573 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2574 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2577 LIBS="$LIBS $DBUS_LIBS"
2578 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2579 dbus_type_is_valid \
2580 dbus_validate_bus_name \
2581 dbus_validate_path \
2582 dbus_validate_interface \
2583 dbus_validate_member)
2588 AC_SUBST(DBUS_CFLAGS)
2592 dnl GSettings has been tested under GNU/Linux only.
2594 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2595 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2596 if test "$HAVE_GSETTINGS" = "yes"; then
2598 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2600 LIBS="$LIBS $GSETTINGS_LIBS"
2601 AC_MSG_CHECKING([whether GSettings is in gio])
2604 [[/* Check that gsettings really is present. */
2605 #include <glib-object.h>
2606 #include <gio/gio.h>
2609 GSettings *settings;
2610 GVariant *val = g_settings_get_value (settings, "");
2612 [], HAVE_GSETTINGS=no)
2613 AC_MSG_RESULT([$HAVE_GSETTINGS])
2615 if test "$HAVE_GSETTINGS" = "yes"; then
2616 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2617 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2618 SETTINGS_LIBS="$GSETTINGS_LIBS"
2625 dnl GConf has been tested under GNU/Linux only.
2626 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2628 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2629 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2630 if test "$HAVE_GCONF" = yes; then
2631 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2632 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2633 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2634 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2638 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2639 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2640 if test "$HAVE_GOBJECT" = "yes"; then
2641 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2642 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2644 SAVE_CFLAGS="$CFLAGS"
2646 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2647 LIBS="$SETTINGS_LIBS $LIBS"
2648 CFLAGS="$SAVE_CFLAGS"
2651 AC_SUBST(SETTINGS_CFLAGS)
2652 AC_SUBST(SETTINGS_LIBS)
2655 dnl SELinux is available for GNU/Linux only.
2658 if test "${with_selinux}" = "yes"; then
2659 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2660 if test "$HAVE_LIBSELINUX" = yes; then
2661 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2662 LIBSELINUX_LIBS=-lselinux
2665 AC_SUBST(LIBSELINUX_LIBS)
2668 if test "${with_gnutls}" = "yes" ; then
2669 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2670 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2671 if test "${HAVE_GNUTLS}" = "yes"; then
2672 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2673 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2674 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2677 # Windows loads GnuTLS dynamically
2678 if test "${opsys}" = "mingw32"; then
2683 AC_SUBST(LIBGNUTLS_LIBS)
2684 AC_SUBST(LIBGNUTLS_CFLAGS)
2689 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2690 dnl a particular library. This doesn't make much sense?
2691 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2692 with_file_notification=no
2695 dnl MS Windows native file monitor is available for mingw32 only.
2696 case $with_file_notification,$opsys in
2697 w32,* | yes,mingw32)
2698 AC_CHECK_HEADER(windows.h)
2699 if test "$ac_cv_header_windows_h" = yes ; then
2700 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2701 NOTIFY_OBJ=w32notify.o
2702 NOTIFY_SUMMARY="yes (w32)"
2706 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2707 dnl has been added in glib 2.24. It has been tested under
2708 dnl GNU/Linux only. We take precedence over inotify, but this makes
2709 dnl only sense when glib has been compiled with inotify support. How
2711 case $with_file_notification,$NOTIFY_OBJ in
2713 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2714 if test "$HAVE_GFILENOTIFY" = "yes"; then
2715 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2716 NOTIFY_OBJ=gfilenotify.o
2717 NOTIFY_SUMMARY="yes -lgio (gfile)"
2721 dnl inotify is only available on GNU/Linux.
2722 case $with_file_notification,$NOTIFY_OBJ in
2724 AC_CHECK_HEADER(sys/inotify.h)
2725 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2726 AC_CHECK_FUNC(inotify_init1)
2727 if test "$ac_cv_func_inotify_init1" = yes; then
2728 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2729 NOTIFY_OBJ=inotify.o
2730 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2735 case $with_file_notification,$NOTIFY_OBJ in
2736 yes,* | no,* | *,?*) ;;
2737 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2740 if test -n "$NOTIFY_OBJ"; then
2741 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2743 AC_SUBST(NOTIFY_OBJ)
2744 AC_SUBST(GFILENOTIFY_CFLAGS)
2745 AC_SUBST(GFILENOTIFY_LIBS)
2747 dnl Do not put whitespace before the #include statements below.
2748 dnl Older compilers (eg sunos4 cc) choke on it.
2751 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2752 if test "$with_xaw3d" != no; then
2753 AC_CACHE_VAL(emacs_cv_xaw3d,
2754 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2755 #include <X11/Intrinsic.h>
2756 #include <X11/Xaw3d/Simple.h>]],
2758 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2759 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2760 emacs_cv_xaw3d=no)])
2764 if test $emacs_cv_xaw3d = yes; then
2765 AC_MSG_CHECKING(for xaw3d)
2766 AC_MSG_RESULT([yes; using Lucid toolkit])
2770 AC_DEFINE(HAVE_XAW3D, 1,
2771 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2773 AC_MSG_CHECKING(for xaw3d)
2775 AC_MSG_CHECKING(for libXaw)
2776 AC_CACHE_VAL(emacs_cv_xaw,
2777 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2778 #include <X11/Intrinsic.h>
2779 #include <X11/Xaw/Simple.h>]],
2783 if test $emacs_cv_xaw = yes; then
2784 AC_MSG_RESULT([yes; using Lucid toolkit])
2787 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2788 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2790 AC_MSG_ERROR([No X toolkit could be found.
2791 If you are sure you want Emacs compiled without an X toolkit, pass
2793 to configure. Otherwise, install the development libraries for the toolkit
2794 that you want to use (e.g. Gtk+) and re-run configure.])
2799 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2803 if test "${USE_X_TOOLKIT}" != "none"; then
2804 AC_MSG_CHECKING(X11 toolkit version)
2805 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2806 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2807 [[#if XtSpecificationRelease < 6
2810 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2811 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2812 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2813 AC_MSG_RESULT(6 or newer)
2814 AC_DEFINE(HAVE_X11XTR6, 1,
2815 [Define to 1 if you have the X11R6 or newer version of Xt.])
2816 LIBXTR6="-lSM -lICE"
2818 ## Use libw.a along with X11R6 Xt.
2819 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2822 AC_MSG_RESULT(before 6)
2825 dnl If using toolkit, check whether libXmu.a exists.
2826 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2828 if test x$HAVE_X11XTR6 = xyes; then
2829 OTHERLIBS='-lXt -lSM -lICE'
2833 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2834 if test "X$LIBS" != "X$OLDLIBS"; then
2835 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2838 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2844 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2845 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2846 if test -d /usr/include/openmotif; then
2847 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2848 emacs_cv_openmotif=yes
2849 case "$canonical" in
2850 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2851 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2854 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2857 emacs_cv_openmotif=no
2859 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2860 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2861 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2864 Motif version prior to 2.1.
2866 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2867 if test $emacs_cv_motif_version_2_1 = yes; then
2868 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2869 if test x$emacs_cv_openmotif = xyes; then
2870 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2873 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2874 # We put this in CFLAGS temporarily to precede other -I options
2875 # that might be in CFLAGS temporarily.
2876 # We put this in CPPFLAGS where it precedes the other -I options.
2877 OLD_CPPFLAGS=$CPPFLAGS
2879 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2880 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2881 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2883 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2884 if test $emacs_cv_lesstif = yes; then
2885 # Make sure this -I option remains in CPPFLAGS after it is set
2886 # back to REAL_CPPFLAGS.
2887 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2888 # have those other -I options anyway. Ultimately, having this
2889 # directory ultimately in CPPFLAGS will be enough.
2890 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2891 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2894 CPPFLAGS=$OLD_CPPFLAGS
2897 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2898 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2901 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2902 dnl using Motif or Xaw3d is available, and unless
2903 dnl --with-toolkit-scroll-bars=no was specified.
2905 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2906 [Define to 1 if we should use toolkit scroll bars.])dnl
2907 USE_TOOLKIT_SCROLL_BARS=no
2908 if test "${with_toolkit_scroll_bars}" != "no"; then
2909 if test "${USE_X_TOOLKIT}" != "none"; then
2910 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2911 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2913 USE_TOOLKIT_SCROLL_BARS=yes
2914 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2915 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2916 USE_TOOLKIT_SCROLL_BARS=yes
2918 elif test "${HAVE_GTK}" = "yes"; then
2919 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2920 USE_TOOLKIT_SCROLL_BARS=yes
2921 elif test "${HAVE_NS}" = "yes"; then
2922 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2923 USE_TOOLKIT_SCROLL_BARS=yes
2924 elif test "${HAVE_W32}" = "yes"; then
2925 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2926 USE_TOOLKIT_SCROLL_BARS=yes
2930 dnl See if XIM is available.
2931 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2932 #include <X11/Xlib.h>
2933 #include <X11/Xresource.h>]],
2934 [[XIMProc callback;]])],
2936 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2939 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2941 if test "${with_xim}" != "no"; then
2942 AC_DEFINE(USE_XIM, 1,
2943 [Define to 1 if we should use XIM, if it is available.])
2947 if test "${HAVE_XIM}" != "no"; then
2949 if test "$GCC" = yes; then
2950 CFLAGS="$CFLAGS --pedantic-errors"
2952 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2953 #include <X11/Xlib.h>
2954 #include <X11/Xresource.h>]],
2960 XPointer *client_data;
2962 /* If we're not using GCC, it's probably not XFree86, and this is
2963 probably right, but we can't use something like --pedantic-errors. */
2964 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2965 char*, XIMProc, XPointer*);
2967 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2969 [emacs_cv_arg6_star=yes])
2970 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2971 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2972 either XPointer or XPointer*.])dnl
2973 if test "$emacs_cv_arg6_star" = yes; then
2974 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2976 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2981 ### Start of font-backend (under any platform) section.
2982 # (nothing here yet -- this is a placeholder)
2983 ### End of font-backend (under any platform) section.
2985 ### Start of font-backend (under X11) section.
2986 if test "${HAVE_X11}" = "yes"; then
2987 ## Use -lXft if available, unless `--with-xft=no'.
2989 if test "x${with_x}" = "xno"; then
2993 if test "$with_xft" != no; then
2994 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2995 with_xft=$HAVE_FONTCONFIG
2998 if test "x${with_xft}" != "xno"; then
3000 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
3001 ## Because xftfont.c uses XRenderQueryExtension, we also
3002 ## need to link to -lXrender.
3004 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
3005 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
3006 OLD_CPPFLAGS="$CPPFLAGS"
3007 OLD_CFLAGS="$CFLAGS"
3009 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
3010 CFLAGS="$CFLAGS $XFT_CFLAGS"
3011 XFT_LIBS="-lXrender $XFT_LIBS"
3012 LIBS="$XFT_LIBS $LIBS"
3013 AC_CHECK_HEADER(X11/Xft/Xft.h,
3014 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
3015 [[#include <X11/X.h>]])
3017 if test "${HAVE_XFT}" = "yes"; then
3018 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
3020 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
3021 fi # "${HAVE_XFT}" = "yes"
3022 CPPFLAGS=$OLD_CPPFLAGS
3025 fi # "$HAVE_XFT" != no
3026 fi # "x${with_xft}" != "xno"
3028 ## We used to allow building with FreeType and without Xft.
3029 ## However, the ftx font backend driver is not in good shape.
3030 if test "$HAVE_XFT" != "yes"; then
3031 dnl For the "Does Emacs use" message at the end.
3035 dnl Strict linkers fail with
3036 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3037 dnl if -lfreetype is not specified.
3038 dnl The following is needed to set FREETYPE_LIBS.
3039 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3041 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3045 if test "${HAVE_FREETYPE}" = "yes"; then
3046 AC_DEFINE(HAVE_FREETYPE, 1,
3047 [Define to 1 if using the freetype and fontconfig libraries.])
3048 if test "${with_libotf}" != "no"; then
3049 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3050 if test "$HAVE_LIBOTF" = "yes"; then
3051 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3052 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3053 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3054 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3055 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3056 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3057 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3061 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3062 dnl Does the new font backend require it, or can it work without it?
3066 if test "${HAVE_LIBOTF}" = yes; then
3067 if test "${with_m17n_flt}" != "no"; then
3068 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3069 if test "$HAVE_M17N_FLT" = "yes"; then
3070 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3081 ### End of font-backend (under X11) section.
3083 AC_SUBST(FREETYPE_CFLAGS)
3084 AC_SUBST(FREETYPE_LIBS)
3085 AC_SUBST(FONTCONFIG_CFLAGS)
3086 AC_SUBST(FONTCONFIG_LIBS)
3087 AC_SUBST(LIBOTF_CFLAGS)
3088 AC_SUBST(LIBOTF_LIBS)
3089 AC_SUBST(M17N_FLT_CFLAGS)
3090 AC_SUBST(M17N_FLT_LIBS)
3092 ### Use -lXpm if available, unless `--with-xpm=no'.
3093 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3094 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3095 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3096 ### LDFLAGS) accordingly.
3099 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3100 if test "${with_xpm}" != "no"; then
3101 SAVE_CPPFLAGS="$CPPFLAGS"
3102 SAVE_LDFLAGS="$LDFLAGS"
3103 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3104 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3105 AC_CHECK_HEADER(X11/xpm.h,
3106 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3107 if test "${HAVE_XPM}" = "yes"; then
3108 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3109 AC_EGREP_CPP(no_return_alloc_pixels,
3110 [#include "X11/xpm.h"
3111 #ifndef XpmReturnAllocPixels
3112 no_return_alloc_pixels
3114 ], HAVE_XPM=no, HAVE_XPM=yes)
3116 if test "${HAVE_XPM}" = "yes"; then
3117 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3121 CPPFLAGS="$SAVE_CPPFLAGS"
3122 LDFLAGS="$SAVE_LDFLAGS"
3127 if test "${HAVE_XPM}" = "yes"; then
3128 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3133 if test "${HAVE_X11}" = "yes"; then
3134 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3135 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3137 if test "${with_xpm}" != "no"; then
3138 AC_CHECK_HEADER(X11/xpm.h,
3139 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3140 if test "${HAVE_XPM}" = "yes"; then
3141 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3142 AC_EGREP_CPP(no_return_alloc_pixels,
3143 [#include "X11/xpm.h"
3144 #ifndef XpmReturnAllocPixels
3145 no_return_alloc_pixels
3147 ], HAVE_XPM=no, HAVE_XPM=yes)
3149 if test "${HAVE_XPM}" = "yes"; then
3157 if test "${HAVE_XPM}" = "yes"; then
3158 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3160 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3161 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3166 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3167 ### slightly different requirements wrt image libraries (it doesn't
3168 ### use -lXpm because it loads the xpm shared library dynamically at
3170 if test "${opsys}" = "mingw32"; then
3171 if test "${with_xpm}" != "no"; then
3172 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3176 if test "${HAVE_XPM}" = "yes"; then
3177 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3183 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3184 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3187 if test "${opsys}" = "mingw32"; then
3188 if test "${with_jpeg}" != "no"; then
3189 dnl Checking for jpeglib.h can lose because of a redefinition of
3191 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3193 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3194 if test "${HAVE_JPEG}" = "yes"; then
3195 AC_DEFINE(HAVE_JPEG)
3196 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3197 [#include <jpeglib.h>
3198 version=JPEG_LIB_VERSION
3200 [AC_DEFINE(HAVE_JPEG)],
3201 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3204 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3205 if test "${with_jpeg}" != "no"; then
3206 dnl Checking for jpeglib.h can lose because of a redefinition of
3208 AC_CHECK_HEADER(jerror.h,
3209 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3212 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3213 if test "${HAVE_JPEG}" = "yes"; then
3214 AC_DEFINE(HAVE_JPEG)
3215 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3216 [#include <jpeglib.h>
3217 version=JPEG_LIB_VERSION
3219 [AC_DEFINE(HAVE_JPEG)],
3220 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3223 if test "${HAVE_JPEG}" = "yes"; then
3231 if test "${with_zlib}" != "no"; then
3233 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3235 case $ac_cv_search_inflateEnd in
3236 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3239 if test "${HAVE_ZLIB}" = "yes"; then
3240 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3241 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3242 if test "${opsys}" = "mingw32"; then
3248 ### Use -lpng if available, unless `--with-png=no'.
3252 if test "${NS_IMPL_COCOA}" = yes; then
3254 elif test "${with_png}" != no; then
3255 # mingw32 loads the library dynamically.
3256 if test "$opsys" = mingw32; then
3257 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3258 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3259 AC_MSG_CHECKING([for png])
3260 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3261 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3262 # libpng-config does not work; configure by hand.
3263 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3264 # in /usr/include/libpng.
3265 if test -r /usr/include/libpng/png.h &&
3266 test ! -r /usr/include/png.h; then
3267 png_cflags=-I/usr/include/libpng
3275 CFLAGS="$CFLAGS $png_cflags"
3276 LIBS="$png_libs -lz -lm $LIBS"
3278 [AC_LANG_PROGRAM([[#include <png.h>]],
3279 [[return !png_get_channels (0, 0);]])],
3281 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3283 # $LIBPNG requires explicit -lz in some cases.
3284 # We don't know what those cases are, exactly, so play it safe and
3285 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3286 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3287 LIBPNG="$LIBPNG -lz"
3291 AC_MSG_RESULT([$HAVE_PNG])
3294 if test $HAVE_PNG = yes; then
3295 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3298 CFLAGS="$CFLAGS $PNG_CFLAGS"
3299 AC_CHECK_DECL([png_longjmp],
3301 [AC_DEFINE([PNG_DEPSTRUCT], [],
3302 [Define to empty to suppress deprecation warnings when building
3303 with --enable-gcc-warnings and with libpng versions before 1.5,
3304 which lack png_longjmp.])],
3310 AC_SUBST(PNG_CFLAGS)
3312 ### Use -ltiff if available, unless `--with-tiff=no'.
3313 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3316 if test "${opsys}" = "mingw32"; then
3317 if test "${with_tiff}" != "no"; then
3318 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3320 if test "${HAVE_TIFF}" = "yes"; then
3321 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3323 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3324 if test "${with_tiff}" != "no"; then
3325 AC_CHECK_HEADER(tiffio.h,
3327 # At least one tiff package requires the jpeg library.
3328 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3329 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3332 if test "${HAVE_TIFF}" = "yes"; then
3333 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3334 dnl FIXME -lz -lm, as per libpng?
3340 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3341 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3344 if test "${opsys}" = "mingw32"; then
3345 if test "${with_gif}" != "no"; then
3346 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3348 if test "${HAVE_GIF}" = "yes"; then
3349 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3351 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3352 || test "${HAVE_W32}" = "yes"; then
3353 AC_CHECK_HEADER(gif_lib.h,
3354 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3355 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3356 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3357 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3359 if test "$HAVE_GIF" = yes; then
3361 elif test "$HAVE_GIF" = maybe; then
3362 # If gif_lib.h but no libgif, try libungif.
3363 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3364 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3367 if test "${HAVE_GIF}" = "yes"; then
3368 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3373 dnl Check for required libraries.
3374 if test "${HAVE_X11}" = "yes"; then
3377 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3378 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3379 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3380 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3381 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3382 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3383 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3384 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3385 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3386 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3388 if test "X${MISSING}" != X; then
3389 AC_MSG_ERROR([The following required libraries were not found:
3391 Maybe some development libraries/packages are missing?
3392 If you don't want to link with them give
3394 as options to configure])
3398 ### Use -lgpm if available, unless `--with-gpm=no'.
3401 if test "${with_gpm}" != "no"; then
3402 AC_CHECK_HEADER(gpm.h,
3403 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3405 if test "${HAVE_GPM}" = "yes"; then
3406 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3412 dnl Check for malloc/malloc.h on darwin
3413 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3416 ### Use NeXTstep API to implement GUI.
3417 if test "${HAVE_NS}" = "yes"; then
3418 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3419 if test "${NS_IMPL_COCOA}" = "yes"; then
3420 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3422 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3423 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3424 if test $NS_GNUSTEP_CONFIG != yes; then
3425 # See also .m.o rule in src/Makefile.in. */
3426 # FIXME: are all these flags really needed? Document here why. */
3427 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3428 ## Extra CFLAGS applied to src/*.m files.
3429 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3435 ### Use session management (-lSM -lICE) if available
3438 if test "${HAVE_X11}" = "yes"; then
3439 AC_CHECK_HEADER(X11/SM/SMlib.h,
3440 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3442 if test "${HAVE_X_SM}" = "yes"; then
3443 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3449 ### Use XRandr (-lXrandr) if available
3451 if test "${HAVE_X11}" = "yes"; then
3452 XRANDR_REQUIRED=1.2.2
3453 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3454 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3455 if test $HAVE_XRANDR = no; then
3456 # Test old way in case pkg-config doesn't have it (older machines).
3457 # Include Xrender.h by hand to work around bug in older Xrandr.h
3458 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3459 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3460 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3461 [], [AC_INCLUDES_DEFAULT
3462 #include <X11/extensions/Xrender.h>])
3463 if test $HAVE_XRANDR = yes; then
3464 XRANDR_LIBS=-lXrandr
3467 if test $HAVE_XRANDR = yes; then
3468 SAVE_CFLAGS="$CFLAGS"
3470 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3471 LIBS="$XRANDR_LIBS $LIBS"
3472 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3473 CFLAGS="$SAVE_CFLAGS"
3476 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3479 AC_SUBST(XRANDR_CFLAGS)
3480 AC_SUBST(XRANDR_LIBS)
3482 ### Use Xinerama (-lXinerama) if available
3484 if test "${HAVE_X11}" = "yes"; then
3485 XINERAMA_REQUIRED=1.0.2
3486 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3487 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3488 if test $HAVE_XINERAMA = no; then
3489 # Test old way in case pkg-config doesn't have it (older machines).
3490 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3491 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3492 if test $HAVE_XINERAMA = yes; then
3493 XINERAMA_LIBS=-lXinerama
3496 if test $HAVE_XINERAMA = yes; then
3497 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3500 AC_SUBST(XINERAMA_CFLAGS)
3501 AC_SUBST(XINERAMA_LIBS)
3503 ### Use Xfixes (-lXfixes) if available
3505 if test "${HAVE_X11}" = "yes"; then
3506 XFIXES_REQUIRED=4.0.0
3507 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3508 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3509 if test $HAVE_XFIXES = no; then
3510 # Test old way in case pkg-config doesn't have it (older machines).
3511 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3512 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3513 if test $HAVE_XFIXES = yes; then
3514 XFIXES_LIBS=-lXfixes
3517 if test $HAVE_XFIXES = yes; then
3518 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3521 AC_SUBST(XFIXES_CFLAGS)
3522 AC_SUBST(XFIXES_LIBS)
3524 ### Use libxml (-lxml2) if available
3525 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3527 if test "${with_xml2}" != "no"; then
3528 ### I'm not sure what the version number should be, so I just guessed.
3529 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3530 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3531 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3532 SAVE_CPPFLAGS="$CPPFLAGS"
3533 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3534 AC_CHECK_HEADER(libxml/HTMLparser.h,
3535 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3536 [#include <libxml/HTMLparser.h>])])
3537 CPPFLAGS="$SAVE_CPPFLAGS"
3538 if test "${HAVE_LIBXML2}" = "yes"; then
3539 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3540 LIBXML2_LIBS="-lxml2"
3543 if test "${HAVE_LIBXML2}" = "yes"; then
3544 if test "${opsys}" != "mingw32"; then
3545 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3550 if test "${HAVE_LIBXML2}" = "yes"; then
3551 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3558 AC_SUBST(LIBXML2_LIBS)
3559 AC_SUBST(LIBXML2_CFLAGS)
3561 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3562 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3563 if test "${opsys}" = "mingw32"; then
3564 emacs_cv_netdb_declares_h_errno=yes
3566 AC_CACHE_CHECK(whether netdb declares h_errno,
3567 emacs_cv_netdb_declares_h_errno,
3568 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3569 [[return h_errno;]])],
3570 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3571 if test $emacs_cv_netdb_declares_h_errno = yes; then
3572 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3575 # Check for mail-locking functions in a "mail" library. Probably this should
3576 # have the same check as for liblockfile below.
3577 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3578 if test $have_mail = yes; then
3580 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3583 LIBS="$LIBS_MAIL $LIBS"
3584 AC_CHECK_FUNCS(touchlock)
3589 dnl Debian, at least:
3590 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3591 if test $have_lockfile = yes; then
3592 LIBS_MAIL=-llockfile
3593 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3595 # If we have the shared liblockfile, assume we must use it for mail
3596 # locking (e.g. Debian). If we couldn't link against liblockfile
3597 # (no liblockfile.a installed), ensure that we don't need to.
3598 dnl This works for files generally, not just executables.
3599 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3600 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3601 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3602 if test $ac_cv_prog_liblockfile = yes; then
3603 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3604 This probably means that movemail could lose mail.
3605 There may be a `development' package to install containing liblockfile.])
3608 AC_CHECK_HEADERS_ONCE(maillock.h)
3611 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3612 ## interlock access to the mail spool. The alternative is a lock file named
3613 ## /usr/spool/mail/$USER.lock.
3616 aix4-2) mail_lock="lockf" ;;
3618 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3620 ## On GNU/Linux systems, both methods are used by various mail programs.
3621 ## I assume most people are using newer mailers that have heard of flock.
3622 ## Change this if you need to.
3623 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3624 ## configure gets the right answers, and that means *NOT* using flock.
3625 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3626 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3627 ## Debian maintainer hasn't provided a clean fix for Emacs.
3628 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3629 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3630 ## correct logic. -- fx
3631 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3632 ## liblockfile is a Free Software replacement for libmail, used on
3633 ## Debian systems and elsewhere. -rfr.
3636 if test $have_mail = yes || test $have_lockfile = yes; then
3637 test $ac_cv_header_maillock_h = yes && mail_lock=no
3642 mail_lock="none-needed" ;;
3646 case "$mail_lock" in
3647 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3649 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3653 *) BLESSMAIL_TARGET="need-blessmail" ;;
3655 AC_SUBST(BLESSMAIL_TARGET)
3658 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3659 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3660 getrusage get_current_dir_name \
3661 lrand48 random rint \
3662 select getpagesize setlocale newlocale \
3663 getrlimit setrlimit shutdown getaddrinfo \
3664 pthread_sigmask strsignal setitimer \
3665 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3667 getpwent endpwent getgrent endgrent \
3668 cfmakeraw cfsetspeed copysign __executable_start log2)
3671 dnl No need to check for aligned_alloc and posix_memalign if using
3672 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3673 dnl Don't use these functions on Darwin as they are incompatible with
3675 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3676 && test "$opsys" != darwin; then
3677 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3680 dnl Cannot use AC_CHECK_FUNCS
3681 AC_CACHE_CHECK([for __builtin_unwind_init],
3682 emacs_cv_func___builtin_unwind_init,
3683 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3684 emacs_cv_func___builtin_unwind_init=yes,
3685 emacs_cv_func___builtin_unwind_init=no)])
3686 if test $emacs_cv_func___builtin_unwind_init = yes; then
3687 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3688 [Define to 1 if you have the `__builtin_unwind_init' function.])
3691 AC_CHECK_HEADERS_ONCE(sys/un.h)
3696 AC_CHECK_FUNCS(grantpt)
3698 # PTY-related GNU extensions.
3699 AC_CHECK_FUNCS(getpt posix_openpt)
3701 # Check this now, so that we will NOT find the above functions in ncurses.
3702 # That is because we have not set up to link ncurses in lib-src.
3703 # It's better to believe a function is not available
3704 # than to expect to find it in ncurses.
3705 # Also we need tputs and friends to be able to build at all.
3706 AC_MSG_CHECKING([for library containing tputs])
3707 # Run a test program that contains a call to tputs, a call that is
3708 # never executed. This tests whether a pre-'main' dynamic linker
3709 # works with the library. It's too much trouble to actually call
3710 # tputs in the test program, due to portability hassles. When
3711 # cross-compiling, assume the test program will run if it links.
3712 AC_DEFUN([tputs_link_source], [
3714 [[extern void tputs (const char *, int, int (*)(int));
3715 int main (int argc, char **argv)
3718 tputs (argv[0], 0, 0);
3722 if test "${opsys}" = "mingw32"; then
3725 # Maybe curses should be tried earlier?
3726 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3727 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3729 if test -z "$tputs_library"; then
3733 LIBS_TERMCAP=-l$tputs_library
3735 LIBS="$LIBS_TERMCAP $LIBS"
3737 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3738 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3740 if test "X$msg" != Xno; then
3745 AC_MSG_RESULT([$msg])
3746 if test "X$msg" = Xno; then
3747 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3748 The following libraries were tried (in order):
3749 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3750 Please try installing whichever of these libraries is most appropriate
3751 for your system, together with its header files.
3752 For example, a libncurses-dev(el) or similar package.])
3755 ## Use termcap instead of terminfo?
3756 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3758 ## FIXME? In the cases below where we unconditionally set
3759 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3760 ## if that was found above to have tputs.
3761 ## Should we use the gnu* logic everywhere?
3763 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3764 ## The ncurses library has been moved out of the System framework in
3765 ## Mac OS X 10.2. So if configure detects it, set the command-line
3766 ## option to use it.
3767 darwin) LIBS_TERMCAP="-lncurses" ;;
3769 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3772 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3773 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3774 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3775 [[#if __FreeBSD_version < 400000
3778 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3780 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3782 if test $emacs_cv_freebsd_terminfo = yes; then
3783 LIBS_TERMCAP="-lncurses"
3786 LIBS_TERMCAP="-ltermcap"
3796 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3798 LIBS_TERMCAP="-ltermcap"
3802 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3804 ## hpux: Make sure we get select from libc rather than from libcurses
3805 ## because libcurses on HPUX 10.10 has a broken version of select.
3806 ## We used to use -lc -lcurses, but this may be cleaner.
3807 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3808 # set that way, now it uses the default). Isn't this a contradiction?
3809 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3813 TERMCAP_OBJ=tparam.o
3814 if test $TERMINFO = yes; then
3815 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3816 TERMCAP_OBJ=terminfo.o
3818 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3819 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3821 AC_SUBST(LIBS_TERMCAP)
3822 AC_SUBST(TERMCAP_OBJ)
3824 # GNU/Linux-specific timer functions.
3825 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3827 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3829 [[timerfd_create (CLOCK_REALTIME,
3830 TFD_CLOEXEC | TFD_NONBLOCK);
3831 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3832 [emacs_cv_have_timerfd=yes],
3833 [emacs_cv_have_timerfd=no])])
3834 if test "$emacs_cv_have_timerfd" = yes; then
3835 AC_DEFINE([HAVE_TIMERFD], 1,
3836 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3839 # Alternate stack for signal handlers.
3840 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3841 [emacs_cv_alternate_stack],
3843 [AC_LANG_PROGRAM([[#include <signal.h>
3846 struct sigaction sa;
3847 ss.ss_sp = malloc (SIGSTKSZ);
3848 ss.ss_size = SIGSTKSZ;
3849 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3850 sigaltstack (&ss, 0);
3851 sigaction (SIGSEGV, &sa, 0);]])],
3852 [emacs_cv_alternate_stack=yes],
3853 [emacs_cv_alternate_stack=no])])
3855 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3856 # On Darwin, res_init appears not to be useful: see bug#562 and
3857 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3860 if test $opsys != darwin; then
3862 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3863 #include <arpa/nameser.h>
3864 #include <resolv.h>]],
3865 [[return res_init();]])],
3866 have_res_init=yes, have_res_init=no)
3867 if test "$have_res_init" = no; then
3869 LIBS="$LIBS -lresolv"
3870 AC_MSG_CHECKING(for res_init with -lresolv)
3871 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3872 #include <arpa/nameser.h>
3873 #include <resolv.h>]],
3874 [[return res_init();]])],
3875 have_res_init=yes, have_res_init=no)
3876 AC_MSG_RESULT($have_res_init)
3877 if test "$have_res_init" = yes ; then
3883 if test "$have_res_init" = yes; then
3884 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3888 # Do we need the Hesiod library to provide the support routines?
3889 dnl FIXME? Should we be skipping this on Darwin too?
3891 if test "$with_hesiod" != no ; then
3892 # Don't set $LIBS here -- see comments above. FIXME which comments?
3893 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3894 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3895 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3896 if test "$resolv" = yes ; then
3901 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3902 hesiod=yes, :, $RESOLVLIB)])
3904 if test x"$hesiod" = xyes; then
3910 # Do we need libresolv (due to res_init or Hesiod)?
3911 if test "$resolv" = yes && test $opsys != darwin; then
3918 # These tell us which Kerberos-related libraries to use.
3925 if test "${with_kerberos}" != no; then
3927 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3928 if test $have_com_err = yes; then
3929 COM_ERRLIB=-lcom_err
3930 LIBS="$COM_ERRLIB $LIBS"
3932 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3933 if test $have_crypto = yes; then
3935 LIBS="$CRYPTOLIB $LIBS"
3937 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3938 if test $have_k5crypto = yes; then
3939 CRYPTOLIB=-lk5crypto
3940 LIBS="$CRYPTOLIB $LIBS"
3942 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3943 if test $have_krb5=yes; then
3945 LIBS="$KRB5LIB $LIBS"
3947 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3948 if test "${with_kerberos5}" = no; then
3949 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3950 if test $have_des425 = yes; then
3952 LIBS="$DESLIB $LIBS"
3954 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3955 if test $have_des = yes; then
3957 LIBS="$DESLIB $LIBS"
3960 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3961 if test $have_krb4 = yes; then
3963 LIBS="$KRB4LIB $LIBS"
3965 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3966 if test $have_krb = yes; then
3968 LIBS="$KRB4LIB $LIBS"
3973 if test "${with_kerberos5}" != no; then
3974 AC_CHECK_HEADERS(krb5.h,
3975 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3976 [#include <krb5.h>])])
3978 AC_CHECK_HEADERS(krb.h,,
3979 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3980 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3982 AC_CHECK_HEADERS(com_err.h)
3986 AC_SUBST(COM_ERRLIB)
3992 AC_CHECK_HEADERS(valgrind/valgrind.h)
3994 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3997 AC_CHECK_FUNC(socket, , ok_so_far=no)
3998 if test $ok_so_far = yes; then
3999 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
4001 if test $ok_so_far = yes; then
4002 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
4004 if test $ok_so_far = yes; then
4005 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
4006 AC_DEFINE(HAVE_INET_SOCKETS, 1,
4007 [Define to 1 if you have inet sockets.])
4012 AC_CHECK_FUNCS(snprintf)
4014 dnl Check for glib. This differs from other library checks in that
4015 dnl Emacs need not link to glib unless some other library is already
4016 dnl linking to glib. Although glib provides no facilities that Emacs
4017 dnl needs for its own purposes, when glib is present Emacs needs to
4018 dnl use primitives like g_main_context_query to avoid clashing with
4019 dnl glib at a low level.
4021 dnl Check this late, since it depends on $GTK_CFLAGS etc.
4025 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
4026 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
4027 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
4028 LIBS="$LIBS $GFILENOTIFY_LIBS"
4029 AC_MSG_CHECKING([whether GLib is linked in])
4030 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4033 [[g_print ("Hello world");]])],
4036 AC_MSG_RESULT([$links_glib])
4037 if test "${links_glib}" = "yes"; then
4038 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4039 if test "$HAVE_NS" = no;then
4047 dnl Adapted from Haible's version.
4048 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4049 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4050 [[char* cs = nl_langinfo(CODESET);]])],
4051 emacs_cv_langinfo_codeset=yes,
4052 emacs_cv_langinfo_codeset=no)
4054 if test $emacs_cv_langinfo_codeset = yes; then
4055 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4056 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4061 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4062 dnl how the tty code is related to POSIX and/or other versions of termios.
4063 dnl The following looks like a useful start.
4065 dnl AC_SYS_POSIX_TERMIOS
4066 dnl if test $ac_cv_sys_posix_termios = yes; then
4067 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4068 dnl and macros for terminal control.])
4069 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4072 dnl Turned on June 1996 supposing nobody will mind it.
4073 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4074 if test "${opsys}" != "mingw32"; then
4075 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4076 in the full name stands for the login id.])
4079 dnl Everybody supports this, except MS.
4080 dnl Seems like the kind of thing we should be testing for, though.
4081 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4082 if test "${opsys}" != "mingw32"; then
4083 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4086 dnl Everybody supports this, except MS-DOS.
4087 dnl Seems like the kind of thing we should be testing for, though.
4088 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4089 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4090 4.2-compatible sockets.])
4092 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4094 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4095 a null file, or a data sink.])
4096 if test "${opsys}" = "mingw32"; then
4097 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4099 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4102 if test "${opsys}" = "mingw32"; then
4107 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4108 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4109 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4110 dnl decides that a command-line argument to be passed to a MinGW program
4111 dnl is a PATH-style list of directories. But that heuristics plays it
4112 dnl safe, and only does the replacement when it is _absolutely_ sure it
4113 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4114 dnl which breaks in-tree builds. So we do this manually instead.
4115 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4116 dnl be computed as ':' in MSYS Bash.
4119 dnl Everybody supports this, except MS-DOS.
4120 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4122 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4125 AC_DEFINE(DIRECTORY_SEP, ['/'],
4126 [Character that separates directories in a file name.])
4128 if test "${opsys}" = "mingw32"; then
4129 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4130 [Returns true if character is a device separator.])
4132 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4133 [Returns true if character is a directory separator.])
4135 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4136 [Returns true if character is any form of separator.])
4138 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4139 [Returns true if character is a device separator.])
4141 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4142 [Returns true if character is a directory separator.])
4144 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4145 [Returns true if character is any form of separator.])
4148 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4152 dnl Unfortunately without libXmu we cannot support EditRes.
4153 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4154 AC_DEFINE(NO_EDITRES, 1)
4159 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4160 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4161 AC_DEFINE(NO_EDITRES, 1)
4167 irix6-5 | sol2* | unixware )
4168 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4169 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4170 dnl need the constant to dimension an array. So wire in the appropriate
4172 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4176 emacs_broken_SIGIO=no
4179 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4180 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4181 hpux* | irix6-5 | openbsd | sol2* | unixware )
4182 emacs_broken_SIGIO=yes
4186 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4187 dnl the way this system works, libc functions that return malloced
4188 dnl memory use the libc malloc implementation. Calling xfree or
4189 dnl xrealloc on the results of such functions results in a crash.
4191 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4192 dnl but that does not currently work on this system.
4194 dnl It is possible to completely override the malloc implementation on
4195 dnl AIX, but that involves putting the malloc functions in a shared
4196 dnl library and setting the MALLOCTYPE environment variable to point to
4197 dnl that shared library.
4199 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4200 dnl to avoid a crash just use the Emacs implementation for that function.
4202 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4203 dnl of this file, so that we do not check for get_current_dir_name
4204 dnl on AIX. But that might be fragile if something else ends
4205 dnl up testing for get_current_dir_name as a dependency.
4206 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4207 get_current_dir_name should not be used.])
4211 dnl Circumvent a bug in FreeBSD. In the following sequence of
4212 dnl writes/reads on a PTY, read(2) returns bogus data:
4214 dnl write(2) 1022 bytes
4215 dnl write(2) 954 bytes, get EAGAIN
4216 dnl read(2) 1024 bytes in process_read_output
4217 dnl read(2) 11 bytes in process_read_output
4219 dnl That is, read(2) returns more bytes than have ever been written
4220 dnl successfully. The 1033 bytes read are the 1022 bytes written
4221 dnl successfully after processing (for example with CRs added if the
4222 dnl terminal is set up that way which it is here). The same bytes will
4223 dnl be seen again in a later read(2), without the CRs.
4224 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4225 work around an issue when reading from a PTY.])
4231 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4232 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4237 darwin | dragonfly | freebsd | netbsd | openbsd )
4238 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4239 close a pty to make it a controlling terminal (it is already a
4240 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4244 dnl FIXME Surely we can test for this rather than hard-code it.
4246 netbsd | openbsd) sound_device="/dev/audio" ;;
4247 *) sound_device="/dev/dsp" ;;
4251 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4252 [Name of the default sound device.])
4255 dnl Emacs can read input using SIGIO and buffering characters itself,
4256 dnl or using CBREAK mode and making C-g cause SIGINT.
4257 dnl The choice is controlled by the variable interrupt_input.
4259 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4261 dnl Emacs uses the presence of the USABLE_SIGIO macro
4262 dnl to indicate whether or not signal-driven I/O is possible. It uses
4263 dnl INTERRUPT_INPUT to decide whether to use it by default.
4265 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4266 dnl CBREAK mode has two disadvantages
4267 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4268 dnl I hear that in system V this problem does not exist.
4269 dnl 2) Control-G causes output to be discarded.
4270 dnl I do not know whether this can be fixed in system V.
4272 dnl Another method of doing input is planned but not implemented.
4273 dnl It would have Emacs fork off a separate process
4274 dnl to read the input and send it to the true Emacs process
4277 darwin | gnu-linux | gnu-kfreebsd )
4278 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4283 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4284 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4285 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4286 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4287 dnl taking float or double parameters.
4289 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4290 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4291 file defines `NeedWidePrototypes' as `NO'.])
4296 dnl Used in process.c, this must be a loop, even if it only runs once.
4297 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4298 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4299 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4300 dnl trying suffixes 0-16.
4301 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4302 first PTY, if PTYs are supported.])
4303 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4304 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4305 end of a PTY, if non-standard.])
4306 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4307 end of a PTY, if non-standard.])
4311 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4312 dnl You allocate a pty by opening /dev/ptc to get the master side.
4313 dnl To get the name of the slave side, you just ttyname() the master side.
4314 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4315 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4319 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4320 dnl multi-line AC_DEFINEs are hard. :(
4321 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)])
4322 AC_DEFINE(PTY_NAME_SPRINTF, [])
4323 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4326 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4328 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4329 dnl Not used, because PTY_ITERATION is defined.
4330 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4331 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4332 dnl But we don't have to block SIGCHLD because it is blocked in the
4333 dnl implementation of grantpt.
4334 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4335 AC_DEFINE(PTY_NAME_SPRINTF, [])
4336 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4340 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4343 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4345 if test "x$ac_cv_func_grantpt" = xyes; then
4346 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4347 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4348 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4349 dnl to prevent sigchld_handler from intercepting the child's death.
4350 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); }])
4351 dnl if HAVE_POSIX_OPENPT
4352 if test "x$ac_cv_func_posix_openpt" = xyes; then
4353 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4354 AC_DEFINE(PTY_NAME_SPRINTF, [])
4356 elif test "x$ac_cv_func_getpt" = xyes; then
4357 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4358 AC_DEFINE(PTY_NAME_SPRINTF, [])
4360 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4363 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4368 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4369 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4370 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4374 dnl It looks like this cannot be right, because it is not a loop.
4375 dnl However, process.c actually does this:
4381 dnl which presumably makes it OK, since irix == sgi (?).
4382 dnl FIXME it seems like this special treatment is unnecessary?
4383 dnl Why can't irix use a single-trip loop like eg cygwin?
4384 AC_DEFINE(PTY_ITERATION, [])
4385 dnl Not used, because PTY_ITERATION is defined.
4386 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4387 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); }])
4388 dnl No need to get the pty name at all.
4389 AC_DEFINE(PTY_NAME_SPRINTF, [])
4390 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4391 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4395 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4396 dnl from intercepting that death. If any child but grantpt's should die
4397 dnl within, it should be caught after sigrelse(2).
4398 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); }])
4402 dnl Comments are as per sol2*.
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) 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); }])
4410 dnl This change means that we don't loop through allocate_pty too
4411 dnl many times in the (rare) event of a failure.
4412 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4413 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4414 dnl Push various streams modules onto a PTY channel. Used in process.c.
4415 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.])
4420 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4421 "typing" a signal character on the pty.])
4424 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4425 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4426 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4427 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4430 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4431 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4432 gnu-linux | gnu-kfreebsd )
4434 AC_MSG_CHECKING([for signals via characters])
4435 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4436 #include <linux/version.h>
4437 #if LINUX_VERSION_CODE < 0x20400
4438 # error "Linux version too old"
4440 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4442 AC_MSG_RESULT([$emacs_signals_via_chars])
4443 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4448 AH_TEMPLATE(TAB3, [Undocumented.])
4451 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4453 gnu | dragonfly | freebsd | netbsd | openbsd )
4454 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4455 AC_DEFINE(TAB3, OXTABS)
4458 gnu-linux | gnu-kfreebsd )
4459 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4463 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4464 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4465 [Mark a secondary stack, like the register stack on the ia64.]), [])
4469 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4470 run_time_remap; for HPUX.])
4475 dnl This won't be used automatically yet. We also need to know, at least,
4476 dnl that the stack is continuous.
4477 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4478 registers relevant for conservative garbage collection in the jmp_buf.])
4482 dnl Not all the architectures are tested, but there are Debian packages
4483 dnl for SCM and/or Guile on them, so the technique must work. See also
4484 dnl comments in alloc.c concerning setjmp and gcc.
4485 dnl Fixme: it's probably safe to just use the GCC conditional below.
4486 gnu-linux | gnu-kfreebsd )
4487 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4488 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4489 || defined __alpha__ || defined __mips__ || defined __s390__ \
4490 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4491 || defined __ia64__ || defined __sh__
4494 # error "setjmp not known to work on this arch"
4496 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4501 if test x$GCC = xyes; then
4502 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4503 AC_DEFINE(GC_SETJMP_WORKS, 1)
4506 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4507 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4508 AC_DEFINE(GC_SETJMP_WORKS, 1)
4513 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4514 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4517 [[#include <setjmp.h>
4519 # define _longjmp longjmp
4524 _longjmp (j, 1);]])],
4525 [emacs_cv_func__setjmp=yes],
4526 [emacs_cv_func__setjmp=no])])
4527 if test $emacs_cv_func__setjmp = yes; then
4528 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4531 # We need to preserve signal mask to handle C stack overflows.
4532 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4535 [[#include <setjmp.h>
4538 if (! sigsetjmp (j, 1))
4539 siglongjmp (j, 1);]])],
4540 [emacs_cv_func_sigsetjmp=yes],
4541 [emacs_cv_func_sigsetjmp=no])])
4542 if test $emacs_cv_func_sigsetjmp = yes; then
4543 AC_DEFINE([HAVE_SIGSETJMP], 1,
4544 [Define to 1 if sigsetjmp and siglongjmp work.])
4547 # We need all of these features to handle C stack overflows.
4548 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4549 "$ac_cv_func_getrlimit" = "yes" -a \
4550 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4551 "$emacs_cv_alternate_stack" = yes; then
4552 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4553 [Define to 1 if C stack overflow can be handled in some cases.])
4558 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4559 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4560 dnl and this is all we need.
4561 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4568 dnl Used in xfaces.c.
4569 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4570 some systems, where it requires time.h.])
4575 dnl Define symbols to identify the version of Unix this is.
4576 dnl Define all the symbols that apply correctly.
4577 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4578 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4579 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4580 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4585 dnl This symbol should be defined on AIX Version 3 ???????
4586 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4588 # error "_AIX not defined"
4590 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4594 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4598 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4599 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4600 dnl distinguish OS X from pure Darwin.
4601 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4604 gnu-linux | gnu-kfreebsd )
4606 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4611 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4616 AC_DEFINE(USG5_4, [])
4617 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4621 AC_DEFINE(DOS_NT, [])
4622 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4623 if test "x$ac_enable_checking" != "x" ; then
4624 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4630 AC_DEFINE(USG5_4, [])
4631 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4636 AC_DEFINE(USG5_4, [])
4640 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4643 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4644 emacs_cv_usable_FIONREAD=no
4648 emacs_cv_usable_FIONREAD=yes
4653 [AC_LANG_PROGRAM([[#include <sys/types.h>
4654 #include <sys/ioctl.h>
4656 # include <sys/filio.h>
4659 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4660 [emacs_cv_usable_FIONREAD=yes],
4661 [emacs_cv_usable_FIONREAD=no])
4664 if test $emacs_cv_usable_FIONREAD = yes; then
4665 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4667 if test $emacs_broken_SIGIO = no; then
4668 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4670 [AC_LANG_PROGRAM([[#include <fcntl.h>
4673 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4674 [emacs_cv_usable_SIGIO=yes],
4675 [emacs_cv_usable_SIGIO=no])],
4676 [emacs_cv_usable_SIGIO=yes],
4677 [emacs_cv_usable_SIGIO=no])
4678 if test $emacs_cv_usable_SIGIO = yes; then
4679 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4686 dnl It works to open the pty's tty in the parent (Emacs), then
4687 dnl close and reopen it in the child.
4688 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4689 works to open a pty's tty in the parent process, then close and
4690 reopen it in the child.])
4694 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4695 use VSUSP instead of VSWTCH.])
4699 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4704 # Set up the CFLAGS for real compilation, so we can substitute it.
4705 CFLAGS="$REAL_CFLAGS"
4706 CPPFLAGS="$REAL_CPPFLAGS"
4709 ## Hack to detect a buggy GCC version.
4710 if test "x$GCC" = xyes \
4711 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4712 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4713 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4714 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4717 version=$PACKAGE_VERSION
4719 copyright="Copyright (C) 2015 Free Software Foundation, Inc."
4720 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4721 [Short copyright string for this version of Emacs.])
4724 ### Specify what sort of things we'll be editing into Makefile and config.h.
4725 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4727 AC_SUBST(configuration)
4732 AC_SUBST(exec_prefix)
4735 AC_SUBST(sharedstatedir)
4736 AC_SUBST(libexecdir)
4740 AC_SUBST(standardlisppath)
4741 AC_SUBST(locallisppath)
4743 AC_SUBST(x_default_search_path)
4745 AC_SUBST(archlibdir)
4751 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4752 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4753 ## end of LIBX_BASE, but nothing ever set it.
4754 AC_SUBST(LD_SWITCH_X_SITE)
4755 AC_SUBST(C_SWITCH_X_SITE)
4756 AC_SUBST(GNUSTEP_CFLAGS)
4758 ## Used in lwlib/Makefile.in.
4759 AC_SUBST(X_TOOLKIT_TYPE)
4761 AC_SUBST(ns_appbindir)
4762 AC_SUBST(ns_appresdir)
4764 AC_SUBST(GNU_OBJC_CFLAGS)
4765 AC_SUBST(OTHER_FILES)
4767 if test -n "${term_header}"; then
4768 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4769 [Define to the header for the built-in window system.])
4772 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4773 [Define to the canonical Emacs configuration name.])
4774 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4775 [Define to the options passed to configure.])
4776 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4777 define this to include extra configuration information.])
4781 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4788 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4789 AC_DEFINE(HAVE_X_WINDOWS, 1,
4790 [Define to 1 if you want to use the X window system.])
4792 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4794 if test "$HAVE_XFT" = "yes"; then
4795 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4796 elif test "$HAVE_FREETYPE" = "yes"; then
4797 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4807 if test "${USE_X_TOOLKIT}" != "none" ; then
4809 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4810 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4811 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4812 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4813 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4817 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4818 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4822 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4823 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4824 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4828 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4829 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4832 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4835 AC_SUBST(WIDGET_OBJ)
4838 case "$USE_X_TOOLKIT" in
4839 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4840 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4841 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
4843 AC_SUBST(TOOLKIT_LIBW)
4845 if test "${opsys}" != "mingw32"; then
4846 if test "$USE_X_TOOLKIT" = "none"; then
4847 LIBXT_OTHER="\$(LIBXSM)"
4849 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4852 AC_SUBST(LIBXT_OTHER)
4854 if test "${HAVE_X11}" = "yes" ; then
4855 AC_DEFINE(HAVE_X11, 1,
4856 [Define to 1 if you want to use version 11 of X windows.])
4857 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4861 AC_SUBST(LIBX_OTHER)
4863 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4865 elif test "$USE_X_TOOLKIT" = none; then
4866 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4868 LIBXMENU='$(lwlibdir)/liblw.a'
4872 AC_CACHE_CHECK([for struct alignment],
4873 [emacs_cv_struct_alignment],
4875 [AC_LANG_PROGRAM([[#include <stddef.h>
4876 struct __attribute__ ((aligned (8))) s { char c; };
4877 struct t { char c; struct s s; };
4878 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4880 [emacs_cv_struct_alignment=yes],
4881 [emacs_cv_struct_alignment=no])])
4882 if test "$emacs_cv_struct_alignment" = yes; then
4883 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4884 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4885 structure to an N-byte boundary.])
4888 if test "${GNU_MALLOC}" = "yes" ; then
4889 AC_DEFINE(GNU_MALLOC, 1,
4890 [Define to 1 if you want to use the GNU memory allocator.])
4894 if test "${REL_ALLOC}" = "yes" ; then
4895 AC_DEFINE(REL_ALLOC, 1,
4896 [Define REL_ALLOC if you want to use the relocating allocator for
4899 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4901 AC_SUBST(RALLOC_OBJ)
4903 if test "$opsys" = "cygwin"; then
4904 CYGWIN_OBJ="sheap.o cygw32.o"
4905 ## Cygwin differs because of its unexec().
4907 POST_ALLOC_OBJ=lastfile.o
4908 elif test "$opsys" = "mingw32"; then
4911 POST_ALLOC_OBJ=lastfile.o
4914 PRE_ALLOC_OBJ=lastfile.o
4917 AC_SUBST(CYGWIN_OBJ)
4918 AC_SUBST(PRE_ALLOC_OBJ)
4919 AC_SUBST(POST_ALLOC_OBJ)
4921 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4922 dnl verbatim defined above. The tricky name is apropos, as this hack
4923 dnl makes Fortify go sour!
4924 AH_VERBATIM([FORTIFY_SOUR],
4925 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4926 The workaround disables some useful run-time checking, so it
4927 should be conditional to the platforms with the performance bug.
4928 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4929 #if defined __APPLE__ && defined __GNUC__
4930 # ifndef _DONT_USE_CTYPE_INLINE_
4931 # define _DONT_USE_CTYPE_INLINE_
4933 # ifndef _FORTIFY_SOURCE
4934 # define _FORTIFY_SOURCE 0
4939 # If user asks to omit features, disable optional features that gnulib
4940 # might otherwise enable.
4941 if test "$with_features" = no && test "$enable_acl" != yes; then
4945 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4946 # it temporarily reverts them to their pre-pkg-config values,
4947 # because gnulib needs to work with both src (which uses the
4948 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4949 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4950 # and it therefore needs to run in an environment where LIBS does not
4951 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4952 # for some package unrelated to lib-src.
4955 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4956 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4957 gl_ASSERT_NO_GNULIB_POSIXCHECK
4958 gl_ASSERT_NO_GNULIB_TESTS
4963 if test "${opsys}" = "mingw32"; then
4964 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4965 # Remove unneeded switches from the value of CC that goes to Makefiles
4966 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4970 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4972 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4975 ## The -headerpad option tells ld (see man page) to leave room at the
4976 ## end of the header for adding load commands. Needed for dumping.
4977 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4978 ## architecture (where they are 78 bytes each). The actual number of
4979 ## load commands added is not consistent but normally ranges from
4980 ## about 14 to about 34. Setting it high gets us plenty of slop and
4981 ## only costs about 1.5K of wasted binary space.
4982 headerpad_extra=1000
4983 if test "$HAVE_NS" = "yes"; then
4984 libs_nsgui="-framework AppKit"
4985 if test "$NS_IMPL_COCOA" = "yes"; then
4986 libs_nsgui="$libs_nsgui -framework IOKit"
4991 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4993 ## This is here because src/Makefile.in did some extra fiddling around
4994 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4995 ## LD_SWITCH_SYSTEM_TEMACS instead,
4996 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4997 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
5000 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
5001 ## find X at run-time.
5002 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
5003 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
5004 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
5005 ## had different values in configure (in ac_link) and src/Makefile.in.
5006 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
5007 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
5010 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
5011 case "$canonical" in
5012 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5013 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
5017 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
5019 *) LD_SWITCH_SYSTEM_TEMACS= ;;
5022 if test x$ac_enable_profiling != x ; then
5024 *freebsd | gnu-linux) ;;
5025 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
5029 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5031 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5033 ## Common for all window systems
5034 if test "$window_system" != "none"; then
5035 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5036 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5037 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5040 AC_SUBST(WINDOW_SYSTEM_OBJ)
5042 AH_TOP([/* GNU Emacs site configuration template file.
5044 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2015
5045 Free Software Foundation, Inc.
5047 This file is part of GNU Emacs.
5049 GNU Emacs is free software: you can redistribute it and/or modify
5050 it under the terms of the GNU General Public License as published by
5051 the Free Software Foundation, either version 3 of the License, or
5052 (at your option) any later version.
5054 GNU Emacs is distributed in the hope that it will be useful,
5055 but WITHOUT ANY WARRANTY; without even the implied warranty of
5056 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5057 GNU General Public License for more details.
5059 You should have received a copy of the GNU General Public License
5060 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5063 /* No code in Emacs #includes config.h twice, but some bits of code
5064 intended to work with other packages as well (like gmalloc.c)
5065 think they can include it as many times as they like. */
5066 #ifndef EMACS_CONFIG_H
5067 #define EMACS_CONFIG_H
5070 AH_BOTTOM([#include <conf_post.h>
5072 #endif /* EMACS_CONFIG_H */
5081 #### Report on what we decided to do.
5082 #### Report GTK as a toolkit, even if it doesn't use Xt.
5083 #### It makes printing result more understandable as using GTK sets
5084 #### toolkit_scroll_bars to yes by default.
5085 if test "${HAVE_GTK}" = "yes"; then
5086 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5089 if test $USE_ACL -ne 0; then
5090 ACL_SUMMARY="yes $LIB_ACL"
5096 Configured for \`${canonical}'.
5098 Where should the build process find the source code? ${srcdir}
5099 What compiler should emacs be built with? ${CC} ${CFLAGS}
5100 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5101 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5102 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5103 What window system should Emacs use? ${window_system}
5104 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5106 if test -n "${x_includes}"; then
5107 echo " Where do we find X Windows header files? ${x_includes}"
5109 echo " Where do we find X Windows header files? Standard dirs"
5111 if test -n "${x_libraries}"; then
5112 echo " Where do we find X Windows libraries? ${x_libraries}"
5114 echo " Where do we find X Windows libraries? Standard dirs"
5118 emacs_config_features=
5119 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5120 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5124 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5125 *) eval val=\${HAVE_$opt} ;;
5127 test x"$val" = xno && continue
5128 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5131 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5132 [Summary of some of the main features enabled by configure.])
5134 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5135 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5136 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5137 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5138 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5139 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5140 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5141 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5143 echo " Does Emacs support sound? ${HAVE_SOUND}"
5145 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5146 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5147 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5148 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5149 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5150 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5151 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5152 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5153 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5155 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5156 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5157 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5158 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5159 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5161 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5163 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
5164 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
5165 echo " Does xwidgets support gobject introspection? ${HAVE_GIR}"
5168 if test -n "${EMACSDATA}"; then
5169 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5171 if test -n "${EMACSDOC}"; then
5172 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5177 if test "$HAVE_NS" = "yes"; then
5179 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5180 The installed application will go to nextstep/Emacs.app and can be
5181 run or moved from there."
5182 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5183 echo "The application will be fully self-contained."
5185 echo "The lisp resources for the application will be installed under ${prefix}.
5186 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5187 to run if these resources are not installed."
5192 if test "${opsys}" = "cygwin"; then
5194 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5200 # Remove any trailing slashes in these variables.
5201 [test "${prefix}" != NONE &&
5202 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5203 test "${exec_prefix}" != NONE &&
5204 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5206 if test "$HAVE_NS" = "yes"; then
5207 if test "$NS_IMPL_GNUSTEP" = yes; then
5208 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5209 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5210 ns_check_file=Resources/Info-gnustep.plist
5212 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5213 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5214 ns_check_file=Contents/Info.plist
5216 AC_SUBST(ns_check_file)
5219 dnl config.status treats $srcdir specially, so I think this is ok...
5220 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5222 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5223 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5224 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5225 dnl (else you get "no `Makefile.am' found for any configure output").
5226 dnl This will work, but you get a config.status that is not quite right
5227 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5228 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5229 dnl it seems better to just live with the duplication.
5230 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5232 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5233 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5234 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5235 leim/Makefile nextstep/Makefile nt/Makefile])
5237 dnl test/ is not present in release tarfiles.
5238 opt_makefile=test/automated/Makefile
5240 if test -f "$srcdir/$opt_makefile.in"; then
5241 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5242 dnl Again, it's best not to use a variable. Though you can add
5243 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5244 AC_CONFIG_FILES([test/automated/Makefile])
5248 dnl The admin/ directory used to be excluded from tarfiles.
5249 if test -d $srcdir/admin; then
5250 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5251 AC_CONFIG_FILES([admin/unidata/Makefile])
5252 AC_CONFIG_FILES([admin/grammars/Makefile])
5256 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5258 AC_SUBST(SUBDIR_MAKEFILES_IN)
5260 dnl You might wonder (I did) why epaths.h is generated by running make,
5261 dnl rather than just letting configure generate it from epaths.in.
5262 dnl One reason is that the various paths are not fully expanded (see above);
5263 dnl eg gamedir=${prefix}/var/games/emacs.
5264 dnl Secondly, the GNU Coding standards require that one should be able
5265 dnl to run `make prefix=/some/where/else' and override the values set
5266 dnl by configure. This also explains the `move-if-change' test and
5267 dnl the use of force in the `epaths-force' rule in Makefile.in.
5268 AC_CONFIG_COMMANDS([src/epaths.h], [
5269 if test "${opsys}" = "mingw32"; then
5270 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5272 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5273 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5274 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5276 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5277 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5279 AC_CONFIG_COMMANDS([src/.gdbinit], [
5280 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5281 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5285 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5286 dnl See comments for etc-refcards-emacsver.tex.
5287 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5288 dnl it is not quite the same. But we are generating in $srcdir.
5289 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5290 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5291 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5294 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5295 dnl then a directory etc/refcards is created in the build directory,
5296 dnl which is probably harmless, but confusing (in out-of-tree builds).
5297 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5298 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5299 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5300 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5301 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5306 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])