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, 1999-2014 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 25.0.50, bug-gnu-emacs@gnu.org)
28 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
29 dnl and then quoted again for a C string. Separate options with spaces.
30 dnl Add some environment variables, if they were passed via the environment
31 dnl rather than on the command-line.
34 dnl This is the documented way to record the args passed to configure,
35 dnl rather than $ac_configure_args.
36 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
38 -n | --no-create | --no-recursion)
40 CFLAGS | CPPFLAGS | LDFLAGS)
41 eval 'test "${'$opt'+set}" = set' || continue
43 *" $opt="*) continue ;;
45 eval opt=$opt=\$$opt ;;
48 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
50 *[["$emacs_shell_specials"]]*)
53 emacs_quote_apostrophes="s/'/'\\\\''/g"
54 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
59 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
60 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
63 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
67 AC_CONFIG_HEADERS(src/config.h:src/config.in)
68 AC_CONFIG_SRCDIR(src/lisp.h)
69 AC_CONFIG_AUX_DIR(build-aux)
70 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
71 dnl With older versions this is a no-op.
72 AC_CONFIG_MACRO_DIR(m4)
75 AC_CHECK_PROGS(XCRUN, [xcrun])
76 if test -n "$XCRUN"; then
77 if test -z "$MAKE"; then
78 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
79 dnl the usual MAKE variable that 'make' itself uses.
80 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
81 if test -z "$MAKE_PROG"; then
84 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
89 dnl GNU Make is required, so don't test for its individual features.
90 am_cv_make_support_nested_variables=yes
91 AC_DEFUN([AC_PROG_MAKE_SET],
93 AC_SUBST([SET_MAKE])])
95 dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
96 [emacs_check_gnu_make ()
98 emacs_makeout=`($1 --version) 2>/dev/null` &&
99 case $emacs_makeout in
100 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
101 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
102 ac_path_MAKE_found=:;;
105 AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
106 [ac_path_MAKE_found=false
107 if test -n "$MAKE"; then
108 emacs_check_gnu_make "$MAKE"
109 ac_cv_path_MAKE=$MAKE
111 emacs_tried_make=false
112 emacs_tried_gmake=false
113 emacs_tried_gnumake=false
114 AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
115 [[emacs_check_gnu_make "$ac_path_MAKE"
116 if $ac_path_MAKE_found; then
117 # Use the fully-qualified program name only if the basename
118 # would not resolve to it.
119 if eval \$emacs_tried_$ac_prog; then
120 ac_cv_path_MAKE=$ac_path_MAKE
122 ac_cv_path_MAKE=$ac_prog
125 eval emacs_tried_$ac_prog=:]])
127 $ac_path_MAKE_found || {
128 AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
129 If you have it installed under another name, configure with 'MAKE=...'.
130 For example, run '$0 MAKE=gnu-make'.]])
132 MAKE=$ac_cv_path_MAKE
135 dnl Fairly arbitrary, older versions might work too.
136 AM_INIT_AUTOMAKE(1.11)
138 dnl Canonicalize the configuration name.
144 if test -z "$host_alias"; then
146 # No --host argument was given to 'configure'; therefore $host
147 # was set to a default value based on the build platform. But
148 # this default value may be wrong if we are building from a
149 # 64-bit MSYS[2] pre-configured to build 32-bit MinGW programs.
150 # Therefore, we'll try to get the right host platform from the
153 AC_MSG_CHECKING([the compiler's target])
154 if test -z "$CC"; then
159 cc_target=`$cc -v 2>&1 | sed -n 's/Target: //p'`
163 "") AC_MSG_ERROR([Impossible to obtain $cc compiler target.
164 Please explicitly provide --host.])
166 *) AC_MSG_WARN([Compiler reported non-standard target.
167 Defaulting to $host.])
170 AC_MSG_RESULT([$host])
173 . $srcdir/nt/mingw-cfg.site
177 # srcdir is an absolute path. In this case, force the format
178 # "/c/foo/bar", to simplify later conversions to native Windows
179 # format ("c:/foo/bar").
180 srcdir=`cd "${srcdir}" && pwd -W`
181 # 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612).
182 eval 'srcdir="/${srcdir:0:1}${srcdir:2}"'
188 configuration=${host_alias-${build_alias-$host}}
190 dnl Support for --program-prefix, --program-suffix and
191 dnl --program-transform-name options
194 dnl It is important that variables on the RHS not be expanded here,
195 dnl hence the single quotes. This is per the GNU coding standards, see
196 dnl (autoconf) Installation Directory Variables
197 dnl See also epaths.h below.
198 lispdir='${datadir}/emacs/${version}/lisp'
199 standardlisppath='${lispdir}'
200 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
201 '${datadir}/emacs/site-lisp'
202 lisppath='${locallisppath}:${standardlisppath}'
203 etcdir='${datadir}/emacs/${version}/etc'
204 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
205 etcdocdir='${datadir}/emacs/${version}/etc'
206 gamedir='${localstatedir}/games/emacs'
208 dnl Special option to disable the most of other options.
210 [AS_HELP_STRING([--without-all],
211 [omit almost all features and build
212 small executable with minimal dependencies])],
213 [with_features=$withval],
216 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
217 dnl Create a new --with option that defaults to being disabled.
218 dnl NAME is the base name of the option. The shell variable with_NAME
219 dnl will be set to either the user's value (if the option is
220 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
221 dnl option is not specified). Note that the shell variable name is
222 dnl constructed as autoconf does, by replacing non-alphanumeric
223 dnl characters with "_".
224 dnl HELP-STRING is the help text for the option.
225 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
226 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
227 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
230 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
231 dnl Create a new --with option that defaults to $with_features.
232 dnl NAME is the base name of the option. The shell variable with_NAME
233 dnl will be set either to 'no' (for a plain --without-NAME) or to
234 dnl 'yes' (if the option is not specified). Note that the shell
235 dnl variable name is constructed as autoconf does, by replacing
236 dnl non-alphanumeric characters with "_".
237 dnl HELP-STRING is the help text for the option.
238 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
239 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
240 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
243 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
244 if test "$with_pop" = yes; then
245 AC_DEFINE(MAIL_USE_POP)
247 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
249 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
250 if test "$with_kerberos" != no; then
253 AH_TEMPLATE(KERBEROS,
254 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
256 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
257 if test "${with_kerberos5}" != no; then
258 if test "${with_kerberos}" = no; then
262 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
265 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
266 dnl FIXME hesiod support may not be present, so it seems like an error
267 dnl to define, or at least use, this unconditionally.
268 if test "$with_hesiod" != no; then
269 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
272 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
273 if test "$with_mmdf" != no; then
274 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
277 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
278 if test "$with_mail_unlink" != no; then
279 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
282 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
283 [string giving default POP mail host])],
284 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
286 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
287 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
288 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
289 [ case "${withval}" in
290 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
291 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
292 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
297 [with_sound=$with_features])
299 dnl FIXME currently it is not the last.
300 dnl This should be the last --with option, because --with-x is
301 dnl added later on when we find the file name of X, and it's best to
302 dnl keep them together visually.
303 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
304 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
305 [ case "${withval}" in
306 y | ye | yes ) val=gtk ;;
308 l | lu | luc | luci | lucid ) val=lucid ;;
309 a | at | ath | athe | athen | athena ) val=athena ;;
310 m | mo | mot | moti | motif ) val=motif ;;
311 g | gt | gtk ) val=gtk ;;
315 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
316 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
317 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
318 `athena' and `lucid' are synonyms.])
324 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
325 if test "$with_wide_int" = yes; then
326 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
329 dnl _ON results in a '--without' option in the --help output, so
330 dnl the help text should refer to "don't compile", etc.
331 with_xpm_set=${with_xpm+set}
332 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
333 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
334 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
335 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
336 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
337 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
338 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
339 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
341 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
342 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
343 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
345 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
346 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
347 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
348 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
349 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
351 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
352 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
353 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
354 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
355 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
356 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
357 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
359 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
360 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
361 [ case "${withval}" in
362 y | ye | yes ) val=yes ;;
364 g | gf | gfi | gfil | gfile ) val=gfile ;;
365 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
366 w | w3 | w32 ) val=w32 ;;
367 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
368 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
369 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
370 otherwise for the first of `gfile' or `inotify' that is usable.])
373 with_file_notification=$val
375 [with_file_notification=$with_features])
377 OPTION_DEFAULT_OFF([xwidgets],[enable use of some gtk widgets it Emacs buffers])
379 ## For the times when you want to build Emacs but don't have
380 ## a suitable makeinfo, and can live without the manuals.
381 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
382 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
384 ## This might be a 'configure' arg.
385 AC_SUBST([ACLOCAL_PATH])
387 ## Makefile.in needs the cache file name.
390 ## This is an option because I do not know if all info/man support
391 ## compressed files, nor how to test if they do so.
392 OPTION_DEFAULT_ON([compress-install],
393 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
394 make GZIP_PROG= install])
396 AC_ARG_WITH(gameuser,dnl
397 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
398 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
399 && gameuser="${with_gameuser}"
400 test "X$gameuser" = X && gameuser=games
402 AC_ARG_WITH([gnustep-conf],dnl
403 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
404 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
405 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
406 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
407 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
408 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
410 AC_ARG_ENABLE(ns-self-contained,
411 [AS_HELP_STRING([--disable-ns-self-contained],
412 [disable self contained build under NeXTstep])],
413 EN_NS_SELF_CONTAINED=$enableval,
414 EN_NS_SELF_CONTAINED=yes)
416 AC_ARG_ENABLE(locallisppath,
417 [AS_HELP_STRING([--enable-locallisppath=PATH],
418 [directories Emacs should search for lisp files specific
420 if test "${enableval}" = "no"; then
422 elif test "${enableval}" != "yes"; then
423 locallisppath=${enableval}
426 AC_ARG_ENABLE(checking,
427 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
428 [enable expensive run-time checks. With LIST,
429 enable only specific categories of checks.
430 Categories are: all,yes,no.
431 Flags are: stringbytes, stringoverrun, stringfreelist,
432 xmallocoverrun, conslist, glyphs])],
433 [ac_checking_flags="${enableval}"],[])
434 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
435 for check in $ac_checking_flags
438 # these set all the flags to specific states
439 yes) ac_enable_checking=1 ;;
440 no) ac_enable_checking= ;
441 ac_gc_check_stringbytes= ;
442 ac_gc_check_string_overrun= ;
443 ac_gc_check_string_free_list= ;
444 ac_xmalloc_overrun= ;
445 ac_gc_check_cons_list= ;
447 all) ac_enable_checking=1 ;
448 ac_gc_check_stringbytes=1 ;
449 ac_gc_check_string_overrun=1 ;
450 ac_gc_check_string_free_list=1 ;
451 ac_xmalloc_overrun=1 ;
452 ac_gc_check_cons_list=1 ;
454 # these enable particular checks
455 stringbytes) ac_gc_check_stringbytes=1 ;;
456 stringoverrun) ac_gc_check_string_overrun=1 ;;
457 stringfreelist) ac_gc_check_string_free_list=1 ;;
458 xmallocoverrun) ac_xmalloc_overrun=1 ;;
459 conslist) ac_gc_check_cons_list=1 ;;
460 glyphs) ac_glyphs_debug=1 ;;
461 *) AC_MSG_ERROR(unknown check category $check) ;;
466 if test x$ac_enable_checking != x ; then
467 AC_DEFINE(ENABLE_CHECKING, 1,
468 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
470 if test x$ac_gc_check_stringbytes != x ; then
471 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
472 [Define this temporarily to hunt a bug. If defined, the size of
473 strings is redundantly recorded in sdata structures so that it can
474 be compared to the sizes recorded in Lisp strings.])
476 if test x$ac_gc_check_string_overrun != x ; then
477 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
478 [Define this to check for short string overrun.])
480 if test x$ac_gc_check_string_free_list != x ; then
481 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
482 [Define this to check the string free list.])
484 if test x$ac_xmalloc_overrun != x ; then
485 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
486 [Define this to check for malloc buffer overrun.])
488 if test x$ac_gc_check_cons_list != x ; then
489 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
490 [Define this to check for errors in cons list.])
492 if test x$ac_glyphs_debug != x ; then
493 AC_DEFINE(GLYPH_DEBUG, 1,
494 [Define this to enable glyphs debugging code.])
497 AC_ARG_ENABLE(check-lisp-object-type,
498 [AS_HELP_STRING([--enable-check-lisp-object-type],
499 [enable compile time checks for the Lisp_Object data type.
500 This is useful for development for catching certain types of bugs.])],
501 if test "${enableval}" != "no"; then
502 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
503 [Define this to enable compile time checks for the Lisp_Object data type.])
507 dnl The name of this option is unfortunate. It predates, and has no
508 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
509 dnl Actually, it stops it working.
510 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
511 AC_ARG_ENABLE(profiling,
512 [AS_HELP_STRING([--enable-profiling],
513 [build emacs with low-level, gprof profiling support.
514 Mainly useful for debugging Emacs itself. May not work on
515 all platforms. Stops profiler.el working.])],
516 [ac_enable_profiling="${enableval}"],[])
517 if test x$ac_enable_profiling != x ; then
518 PROFILING_CFLAGS="-DPROFILING=1 -pg"
522 AC_SUBST(PROFILING_CFLAGS)
524 AC_ARG_ENABLE(autodepend,
525 [AS_HELP_STRING([--enable-autodepend],
526 [automatically generate dependencies to .h-files.
527 Requires gcc, enabled if found.])],
528 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
530 AC_ARG_ENABLE(gtk-deprecation-warnings,
531 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
532 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
533 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
535 dnl This used to use changequote, but, apart from `changequote is evil'
536 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
537 dnl the great gob of text. Thus it's not processed for possible expansion.
538 dnl Just make sure the brackets remain balanced.
540 dnl Since Emacs can't find matching pairs of quotes, boundaries are
541 dnl indicated by comments.
545 ### If you add support for a new configuration, add code to this
546 ### switch statement to recognize your configuration name and select
547 ### the appropriate opsys.
549 ### As far as handling version numbers on operating systems is
550 ### concerned, make sure things will fail in a fixable way. If
551 ### /etc/MACHINES doesn't say anything about version numbers, be
552 ### prepared to handle anything reasonably. If version numbers
553 ### matter, be sure /etc/MACHINES says something about it.
556 case "${canonical}" in
558 ## GNU/Linux and similar ports
573 ## FreeBSD kernel + glibc based userland
584 *-*-openbsd* | *-*-mirbsd* )
588 ## Apple Darwin / Mac OS X
590 case "${canonical}" in
591 *-apple-darwin[0-9].*) unported=yes ;;
592 i[3456]86-* | x86_64-* ) ;;
596 ## Use fink packages if available.
597 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
598 ## if test -d /sw/include && test -d /sw/lib; then
599 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
600 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
609 ## HP 9000 series 700 and 800, running HP/UX
613 hppa*-hp-hpux1[1-9]* )
615 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
619 rs6000-ibm-aix4.[23]* )
622 powerpc-ibm-aix4.[23]* )
625 rs6000-ibm-aix[56]* )
628 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
632 ## Silicon Graphics machines
636 # Without defining _LANGUAGE_C, things get masked out in the headers
637 # so that, for instance, grepping for `free' in stdlib.h fails and
638 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
639 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
644 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
645 | x86_64-*-solaris2* | x86_64-*-sunos5*)
646 case "${canonical}" in
648 amd64-*-*|x86_64-*-*) ;;
652 case "${canonical}" in
653 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
655 emacs_check_sunpro_c=yes
657 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
658 ## Note that Emacs 23.1's NEWS said the following would be dropped.
659 *-sunos5.6* | *-solaris2.6* )
663 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
664 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
666 emacs_check_sunpro_c=yes
669 ## Watch out for a compiler that we know will not work.
670 case "${canonical}" in
671 *-solaris* | *-sunos5* )
672 if [ "x$CC" = x/usr/ucb/cc ]; then
673 ## /usr/ucb/cc doesn't work;
674 ## we should find some other compiler that does work.
682 ## Intel 386 machines where we don't care about the manufacturer.
684 case "${canonical}" in
685 *-darwin* ) opsys=darwin ;;
688 # MinGW overrides and adds some system headers in nt/inc.
689 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
691 *-sysv4.2uw* ) opsys=unixware ;;
692 *-sysv5uw* ) opsys=unixware ;;
693 *-sysv5OpenUNIX* ) opsys=unixware ;;
694 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
700 case "${canonical}" in
703 # MinGW overrides and adds some system headers in nt/inc.
704 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
706 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
715 ### If the code above didn't choose an operating system, just choose
716 ### an operating system based on the configuration name. You really
717 ### only want to use this when you have no idea what the right
718 ### operating system is; if you know what operating systems a machine
719 ### runs, it's cleaner to make it explicit in the case statement
721 if test x"${opsys}" = x; then
722 case "${canonical}" in
723 *-gnu* ) opsys=gnu ;;
733 if test $unported = yes; then
734 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
735 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
736 Check `etc/MACHINES' for recognized configuration names.])
739 #### Choose a compiler.
741 dnl Don't bother to test for C89.
742 AC_DEFUN([_AC_PROG_CC_C89], [$2])
744 dnl Sets GCC=yes if using gcc.
745 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
746 if test -n "$XCRUN"; then
747 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
748 test -n "$AR" && export AR
751 dnl Emacs needs C99 or later.
756 if test x$GCC = xyes; then
757 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
759 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
762 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
763 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
764 dnl that clash with MinGW.
765 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
767 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
768 AC_DEFUN([gl_CRYPTO_CHECK])
769 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
770 # as we don't use them.
771 AC_DEFUN([gl_FCNTL_O_FLAGS])
773 # Initialize gnulib right after choosing the compiler.
774 dnl Amongst other things, this sets AR and ARFLAGS.
777 if test "$ac_test_CFLAGS" != set; then
778 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
779 # if -g3 works and the user does not specify CFLAGS.
780 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
783 emacs_g3_CFLAGS='-g3';;
785 emacs_g3_CFLAGS='-g3 -O2';;
789 if test -n "$emacs_g3_CFLAGS"; then
790 emacs_save_CFLAGS=$CFLAGS
791 CFLAGS=$emacs_g3_CFLAGS
792 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
793 [emacs_cv_prog_cc_g3],
794 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
795 [emacs_cv_prog_cc_g3=yes],
796 [emacs_cv_prog_cc_g3=no])])
797 if test $emacs_cv_prog_cc_g3 != yes; then
798 CFLAGS=$emacs_save_CFLAGS
800 if test $opsys = mingw32; then
801 CFLAGS="$CFLAGS -gdwarf-2"
808 # No optimization flag was inferred for this non-GCC compiler.
809 # Try -O. This is needed for xlc on AIX; see Bug#14258.
810 emacs_save_CFLAGS=$CFLAGS
811 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
813 AC_CACHE_CHECK([whether $CC accepts -O],
814 [emacs_cv_prog_cc_o],
815 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
816 [emacs_cv_prog_cc_o=yes],
817 [emacs_cv_prog_cc_o=no])])
818 if test $emacs_cv_prog_cc_o != yes; then
819 CFLAGS=$emacs_save_CFLAGS
824 AC_ARG_ENABLE([gcc-warnings],
825 [AS_HELP_STRING([--enable-gcc-warnings],
826 [turn on lots of GCC warnings/errors. This is intended for
827 developers, and may generate false alarms when used
828 with older or non-GNU development tools.])],
831 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
833 gl_gcc_warnings=$enableval],
837 # clang is unduly picky about some things.
838 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
845 [emacs_cv_clang=yes],
846 [emacs_cv_clang=no])])
848 # When compiling with GCC, prefer -isystem to -I when including system
849 # include files, to avoid generating useless diagnostics for the files.
850 if test "$gl_gcc_warnings" != yes; then
852 if test "$emacs_cv_clang" = yes
854 # Turn off some warnings if supported.
855 gl_WARN_ADD([-Wno-switch])
856 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
857 gl_WARN_ADD([-Wno-pointer-sign])
858 gl_WARN_ADD([-Wno-string-plus-int])
863 # This, $nw, is the list of warnings we disable.
866 case $with_x_toolkit in
867 lucid | athena | motif)
868 # Old toolkits mishandle 'const'.
869 nw="$nw -Wwrite-strings"
872 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
875 AC_SUBST([WERROR_CFLAGS])
877 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
878 nw="$nw -Woverlength-strings" # Not a problem these days
879 nw="$nw -Wformat-nonliteral" # we do this a lot
880 nw="$nw -Wvla" # Emacs uses <vla.h>.
881 nw="$nw -Wswitch-default" # Too many warnings for now
882 nw="$nw -Winline" # OK to ignore 'inline'
883 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
884 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
885 # signed overflow has undefined behavior
886 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
887 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
888 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
890 # Emacs doesn't care about shadowing; see
891 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
894 # Emacs's use of alloca inhibits protecting the stack.
895 nw="$nw -Wstack-protector"
897 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
898 # option problematic.
899 nw="$nw -Wsuggest-attribute=pure"
901 # This part is merely for shortening the command line,
902 # since -Wno-FOO needs to be added below regardless.
903 nw="$nw -Wmissing-field-initializers"
905 nw="$nw -Wtype-limits"
906 nw="$nw -Wunused-parameter"
908 if test $emacs_cv_clang = yes; then
909 nw="$nw -Wcast-align"
912 gl_MANYWARN_ALL_GCC([ws])
913 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
917 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
918 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
919 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
920 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
921 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
922 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
923 gl_WARN_ADD([-Wno-format-nonliteral])
925 # More things that clang is unduly picky about.
926 if test $emacs_cv_clang = yes; then
927 gl_WARN_ADD([-Wno-format-extra-args])
928 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
929 gl_WARN_ADD([-Wno-unused-command-line-argument])
930 gl_WARN_ADD([-Wno-unused-value])
933 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
934 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
935 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
936 [/* Enable compile-time and run-time bounds-checking, and some warnings,
937 without upsetting glibc 2.15+. */
938 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
939 && defined __OPTIMIZE__ && __OPTIMIZE__)
940 # define _FORTIFY_SOURCE 2
944 # We use a slightly smaller set of warning options for lib/.
945 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
947 nw="$nw -Wunused-macros"
949 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
950 AC_SUBST([GNULIB_WARN_CFLAGS])
960 AC_ARG_ENABLE(link-time-optimization,
961 [AS_HELP_STRING([--enable-link-time-optimization],
962 [build emacs with link-time optimization.
963 This requires GCC 4.5.0 or later, or clang.
964 (Note that clang support is experimental - see INSTALL.)
965 It also makes Emacs harder to debug, and when we tried it
966 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
967 recommended for typical use.])],
968 if test "${enableval}" != "no"; then
970 if test $emacs_cv_clang = yes; then
971 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
972 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
973 if test -x "$GOLD_PLUGIN"; then
976 elif test x$GCC = xyes; then
977 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
978 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
979 if test x$CPUS != x; then
985 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
987 if test -z "$LTO"; then
991 CFLAGS="$CFLAGS $LTO"
992 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
993 [ac_lto_supported=yes], [ac_lto_supported=no])
996 AC_MSG_RESULT([$ac_lto_supported])
997 if test "$ac_lto_supported" = "yes"; then
998 CFLAGS="$CFLAGS $LTO"
999 if test x$emacs_cv_clang = xyes; then
1000 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1001 # WARNING: 'ar --plugin ...' doesn't work without
1002 # command, so plugin name is appended to ARFLAGS.
1003 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1004 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1006 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1007 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1008 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1009 dnl dump core on Fedora 20, so play it safe for now.
1010 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1011 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1016 dnl Port to Automake 1.11.
1017 dnl This section can be removed once we assume Automake 1.14 or later.
1018 : ${AM_DEFAULT_VERBOSITY=1}
1019 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1020 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1022 AM_SUBST_NOTMAKE([AM_V])
1023 AC_SUBST([AM_DEFAULT_V])
1024 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1025 AC_SUBST([AM_DEFAULT_VERBOSITY])
1027 dnl Some other nice autoconf tests.
1028 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1031 dnl if test "x$RANLIB" = x; then
1036 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1037 dnl can be made to directories. This is not relevant for our usage, and
1038 dnl excludes some cases that work fine for us. Eg MS Windows or files
1039 dnl hosted on AFS, both examples where simple links work, but links to
1040 dnl directories fail. We use a cut-down version instead.
1043 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1044 rm -f conf$$ conf$$.file
1046 LN_S_FILEONLY='cp -p'
1048 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1049 dnl random program in the current directory.
1050 if (echo >conf$$.file) 2>/dev/null; then
1051 if ln -s conf$$.file conf$$ 2>/dev/null; then
1052 if test "$opsys" = "mingw32"; then
1053 LN_S_FILEONLY='/bin/ln -s'
1055 LN_S_FILEONLY='ln -s'
1057 elif ln conf$$.file conf$$ 2>/dev/null; then
1058 if test "$opsys" = "mingw32"; then
1059 LN_S_FILEONLY=/bin/ln
1066 rm -f conf$$ conf$$.file
1068 if test "$LN_S_FILEONLY" = "ln -s"; then
1069 AC_MSG_RESULT([yes])
1071 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1074 AC_SUBST(LN_S_FILEONLY)
1077 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1078 dnl doesn't support links to directories, as in "ln file dir". But that
1079 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1080 dnl executables at "make install" time.
1081 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1082 dnl for more details.
1083 if test "$opsys" = "mingw32"; then
1087 dnl On some Debian versions, "install-info" prints irritating messages
1088 dnl "This is not dpkg install-info anymore, but GNU install-info"
1089 dnl if called via an absolute file name.
1090 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1091 dnl Sadly some people may have an old ginstall-info installed on
1092 dnl non-Debian systems, so we can't use this.
1093 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1094 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1096 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1097 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1098 dnl Don't use GZIP, which is used by gzip for additional parameters.
1099 AC_PATH_PROG(GZIP_PROG, gzip)
1101 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1102 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1104 if test $opsys = gnu-linux; then
1105 AC_PATH_PROG(PAXCTL, paxctl,,
1106 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1107 if test "X$PAXCTL" != X; then
1108 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1109 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1110 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1111 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1114 if test "${SETFATTR+set}" != set; then
1115 AC_CACHE_CHECK([for setfattr],
1116 [emacs_cv_prog_setfattr],
1118 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1119 emacs_cv_prog_setfattr=yes
1121 emacs_cv_prog_setfattr=no
1123 if test "$emacs_cv_prog_setfattr" = yes; then
1129 AC_SUBST([SETFATTR])
1133 ## Need makeinfo >= 4.7 (?) to build the manuals.
1134 if test "$MAKEINFO" != "no"; then
1135 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1138 case `($MAKEINFO --version) 2>/dev/null` in
1139 *' (GNU texinfo) '4.[[7-9]]* | \
1140 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1141 *' (GNU texinfo) '[[5-9]]* | \
1142 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1147 ## Makeinfo is unusual. For a released Emacs, the manuals are
1148 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1149 ## therefore in the category of "special tools" not normally required, which
1150 ## configure does not have to check for (eg autoconf itself).
1151 ## In a repository checkout on the other hand, the manuals are not included.
1152 ## So makeinfo is a requirement to build from the repository, and configure
1153 ## should test for it as it does for any other build requirement.
1154 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1155 ## with pre-built manuals, from a repository checkout.
1158 if test "$MAKEINFO" = "no"; then
1160 if test "x${with_makeinfo}" = "xno"; then
1162 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1163 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1164 source tree does not seem to have pre-built manuals in the `info' directory.
1165 Either install a suitable version of makeinfo, or re-run configure
1166 with the `--without-makeinfo' option to build without the manuals.] )
1169 AC_SUBST(HAVE_MAKEINFO)
1171 if test $opsys = mingw32; then
1172 DOCMISC_W32=efaq-w32
1176 AC_SUBST(DOCMISC_W32)
1178 dnl Add our options to ac_link now, after it is set up.
1180 if test x$GCC = xyes; then
1181 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1182 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1184 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1185 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1188 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1189 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1190 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1191 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1192 dnl if not built to support GNU ld.
1194 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1195 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1196 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1197 dnl Eg "make LDFLAGS=... all" could run into problems,
1198 dnl http://bugs.debian.org/684788
1199 dnl * unnecessary, since temacs is the only thing that actually needs it.
1200 dnl Indeed this is where it was originally, prior to:
1201 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1202 late_LDFLAGS="$LDFLAGS"
1203 if test x$GCC = xyes; then
1204 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1206 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1209 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1211 AC_MSG_CHECKING([for -znocombreloc])
1212 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1213 [AC_MSG_RESULT(yes)],
1214 LDFLAGS_NOCOMBRELOC=
1215 [AC_MSG_RESULT(no)])
1217 LDFLAGS="$late_LDFLAGS"
1219 AC_CACHE_CHECK([whether addresses are sanitized],
1220 [emacs_cv_sanitize_address],
1223 [[#ifndef __has_feature
1224 #define __has_feature(f) 0
1226 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1228 error "Addresses are not sanitized.";
1231 [emacs_cv_sanitize_address=yes],
1232 [emacs_cv_sanitize_address=no])])
1234 dnl The function dump-emacs will not be defined and temacs will do
1235 dnl (load "loadup") automatically unless told otherwise.
1236 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1238 your-opsys-here) CANNOT_DUMP=yes ;;
1241 if test "$CANNOT_DUMP" = "yes"; then
1242 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1243 elif test "$emacs_cv_sanitize_address" = yes; then
1244 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1247 AC_SUBST(CANNOT_DUMP)
1250 UNEXEC_OBJ=unexelf.o
1252 # MSDOS uses unexcoff.o
1254 UNEXEC_OBJ=unexaix.o
1260 UNEXEC_OBJ=unexmacosx.o
1263 UNEXEC_OBJ=unexhp9k800.o
1266 UNEXEC_OBJ=unexw32.o
1269 # Use the Solaris dldump() function, called from unexsol.c, to dump
1270 # emacs, instead of the generic ELF dump code found in unexelf.c.
1271 # The resulting binary has a complete symbol table, and is better
1272 # for debugging and other observability tools (debuggers, pstack, etc).
1274 # If you encounter a problem using dldump(), please consider sending
1275 # a message to the OpenSolaris tools-linking mailing list:
1276 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1278 # It is likely that dldump() works with older Solaris too, but this has
1279 # not been tested, so for now this change is for Solaris 10 or newer.
1280 UNEXEC_OBJ=unexsol.o
1287 ## Let `ld' find image libs and similar things in /usr/local/lib.
1288 ## The system compiler, GCC, has apparently been modified to not
1289 ## look there, contrary to what a stock GCC would do.
1290 ### It's not our place to do this. See bug#10313#17.
1291 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1296 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1297 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1301 ### It's not our place to do this. See bug#10313#17.
1302 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1307 ## Han Boetes <han@boetes.org> says this is necessary,
1308 ## otherwise Emacs dumps core on elf systems.
1309 LD_SWITCH_SYSTEM="-Z"
1312 AC_SUBST(LD_SWITCH_SYSTEM)
1314 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1316 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1317 ## which has not been defined yet. When this was handled with cpp,
1318 ## it was expanded to null when configure sourced the s/*.h file.
1319 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1320 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1321 ## (or somesuch), but because it is supposed to go at the _front_
1322 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1323 ## Compare with the gnu-linux case below, which added to the end
1324 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1325 ## LD_SWITCH_SYSTEM_TEMACS.
1328 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1335 AC_CHECK_DECL([__ELF__])
1336 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1337 ## With ELF, make sure that all common symbols get allocated to in the
1338 ## data section. Otherwise, the dump of temacs may miss variables in
1339 ## the shared library that have been initialized. For example, with
1340 ## GNU libc, __malloc_initialized would normally be resolved to the
1341 ## shared library's .bss section, which is fatal.
1342 if test "x$GCC" = "xyes"; then
1343 C_SWITCH_MACHINE="-fno-common"
1345 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1348 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1349 dnl albeit under the mistaken assumption that said file
1350 dnl was no longer used.
1351 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1355 AC_SUBST(C_SWITCH_MACHINE)
1357 AC_SUBST(UNEXEC_OBJ)
1360 ## Some programs in src produce warnings saying certain subprograms
1361 ## are too complex and need a MAXMEM value greater than 2000 for
1362 ## additional optimization. --nils@exp-math.uni-essen.de
1363 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1364 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1365 if test "$opsys" = "mingw32"; then
1366 case "$canonical" in
1367 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1368 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1371 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1372 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1373 AC_SUBST(C_SWITCH_SYSTEM)
1378 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1379 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1381 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1383 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1385 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1387 ## Motif needs -lgen.
1388 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1391 AC_SUBST(LIBS_SYSTEM)
1393 ### Make sure subsequent tests use flags consistent with the build flags.
1395 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1396 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1398 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1401 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1402 AC_DEFUN([AC_TYPE_SIZE_T])
1403 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1404 AC_DEFUN([AC_TYPE_UID_T])
1406 # sqrt and other floating-point functions such as fmod and frexp
1407 # are found in -lm on many systems.
1409 AC_SEARCH_LIBS([sqrt], [m])
1410 if test "X$LIBS" = "X$OLD_LIBS"; then
1413 LIB_MATH=$ac_cv_search_sqrt
1417 dnl Current possibilities handled by sed (aix4-2 -> aix,
1418 dnl gnu-linux -> gnu/linux, etc.):
1419 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1420 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1421 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1428 ## Adding -lm confuses the dynamic linker, so omit it.
1431 freebsd | dragonfly )
1432 SYSTEM_TYPE=berkeley-unix
1434 gnu-linux | gnu-kfreebsd )
1436 hpux10-20 | hpux11 )
1440 SYSTEM_TYPE=windows-nt
1442 dnl NB this may be adjusted below.
1444 SYSTEM_TYPE=berkeley-unix
1448 SYSTEM_TYPE=usg-unix-v
1454 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1455 [The type of system you are compiling for; sets `system-type'.])
1458 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1459 pre_PKG_CONFIG_LIBS=$LIBS
1461 PKG_PROG_PKG_CONFIG(0.9.0)
1463 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1464 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1465 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1466 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1467 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1468 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1470 AC_DEFUN([EMACS_CHECK_MODULES],
1471 [PKG_CHECK_MODULES([$1], [$2],
1472 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1473 m4_default([$3], [HAVE_$1=yes])],
1474 [m4_default([$4], [HAVE_$1=no])])])
1477 if test "${with_sound}" != "no"; then
1478 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1479 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1480 have_sound_header=yes, [], [
1482 #define WIN32_LEAN_AND_MEAN
1483 #include <windows.h>
1486 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1487 AC_MSG_ERROR([OSS sound support requested but not found.])
1489 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1490 # Emulation library used on NetBSD.
1491 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1492 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1493 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1494 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1495 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1499 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1501 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1502 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1503 if test $HAVE_ALSA = yes; then
1504 SAVE_CFLAGS="$CFLAGS"
1506 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1507 LIBS="$ALSA_LIBS $LIBS"
1508 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1509 emacs_alsa_normal=yes,
1510 emacs_alsa_normal=no)
1511 if test "$emacs_alsa_normal" != yes; then
1512 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1513 [[snd_lib_error_set_handler (0);]])],
1514 emacs_alsa_subdir=yes,
1515 emacs_alsa_subdir=no)
1516 if test "$emacs_alsa_subdir" != yes; then
1517 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1519 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1522 CFLAGS="$SAVE_CFLAGS"
1524 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1525 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1526 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1527 elif test "${with_sound}" = "alsa"; then
1528 AC_MSG_ERROR([ALSA sound support requested but not found.])
1530 fi dnl with_sound = alsa|yes
1532 dnl Define HAVE_SOUND if we have sound support. We know it works and
1533 dnl compiles only on the specified platforms. For others, it
1534 dnl probably doesn't make sense to try.
1535 dnl FIXME So surely we should bypass this whole section if not using
1536 dnl one of these platforms?
1537 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1539 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1540 dnl Adjust the --with-sound help text if you change this.
1541 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1542 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1548 AC_SUBST(CFLAGS_SOUND)
1551 dnl checks for header files
1552 AC_CHECK_HEADERS_ONCE(
1557 sys/utsname.h pwd.h utmp.h util.h)
1559 AC_MSG_CHECKING(if personality LINUX32 can be set)
1560 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1561 emacs_cv_personality_linux32=yes,
1562 emacs_cv_personality_linux32=no)
1563 AC_MSG_RESULT($emacs_cv_personality_linux32)
1565 if test $emacs_cv_personality_linux32 = yes; then
1566 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1567 [Define to 1 if personality LINUX32 can be set.])
1570 # Note that Solaris has sys/sysinfo.h which defines struct
1571 # sysinfo as well. To make sure that we're using GNU/Linux
1572 # sysinfo, we explicitly set one of its fields.
1573 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1574 AC_MSG_CHECKING([if Linux sysinfo may be used])
1575 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1576 [[struct sysinfo si;
1579 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1580 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1581 if test $emacs_cv_linux_sysinfo = yes; then
1582 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1583 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1584 [[struct sysinfo si; return si.mem_unit]])],
1585 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1586 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1590 dnl On Solaris 8 there's a compilation warning for term.h because
1591 dnl it doesn't define `bool'.
1592 AC_CHECK_HEADERS(term.h, , , -)
1594 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1596 if test $ac_cv_have_decl_sys_siglist != yes; then
1597 # For Tru64, at least:
1598 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1603 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1604 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1605 #if HAVE_SYS_SOCKET_H
1606 #include <sys/socket.h>
1608 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1609 #if HAVE_SYS_SOCKET_H
1610 #include <sys/socket.h>
1612 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1613 #if HAVE_SYS_SOCKET_H
1614 #include <sys/socket.h>
1617 dnl checks for structure members
1618 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1619 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1620 struct ifreq.ifr_addr,
1621 struct ifreq.ifr_addr.sa_len], , ,
1622 [AC_INCLUDES_DEFAULT
1623 #if HAVE_SYS_SOCKET_H
1624 #include <sys/socket.h>
1630 dnl Check for endianness.
1631 dnl AC_C_BIGENDIAN is done by gnulib.
1633 dnl check for Make feature
1638 dnl check if we have GCC and autodepend is on.
1639 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1640 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1641 SAVE_CFLAGS="$CFLAGS"
1642 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1643 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1644 CFLAGS="$SAVE_CFLAGS"
1645 test -f deps.d || ac_enable_autodepend=no
1647 AC_MSG_RESULT([$ac_enable_autodepend])
1648 if test $ac_enable_autodepend = yes; then
1649 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1650 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1651 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1652 deps_frag=autodeps.mk
1655 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1656 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1657 deps_frag=$srcdir/src/$deps_frag
1660 AC_SUBST_FILE(deps_frag)
1661 AC_SUBST_FILE(lwlib_deps_frag)
1662 AC_SUBST_FILE(oldxmenu_deps_frag)
1664 lisp_frag=$srcdir/src/lisp.mk
1665 AC_SUBST_FILE(lisp_frag)
1668 dnl checks for operating system services
1669 AC_SYS_LONG_FILE_NAMES
1671 #### Choose a window system.
1673 ## We leave window_system equal to none if
1674 ## we end up building without one. Any new window system should
1675 ## set window_system to an appropriate value and add objects to
1676 ## window-system-specific substs.
1680 if test "$no_x" != yes; then
1684 LD_SWITCH_X_SITE_RPATH=
1685 if test "${x_libraries}" != NONE; then
1686 if test -n "${x_libraries}"; then
1687 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1688 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1690 x_default_search_path=""
1691 x_search_path=${x_libraries}
1692 if test -z "${x_search_path}"; then
1693 x_search_path=/usr/lib
1695 for x_library in `echo ${x_search_path}: | \
1696 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1698 ${x_library}/X11/%L/%T/%N%C%S:\
1699 ${x_library}/X11/%l/%T/%N%C%S:\
1700 ${x_library}/X11/%T/%N%C%S:\
1701 ${x_library}/X11/%L/%T/%N%S:\
1702 ${x_library}/X11/%l/%T/%N%S:\
1703 ${x_library}/X11/%T/%N%S"
1704 if test x"${x_default_search_path}" = x; then
1705 x_default_search_path=${x_search_path}
1707 x_default_search_path="${x_search_path}:${x_default_search_path}"
1711 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1713 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1714 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1717 if test x"${x_includes}" = x; then
1718 bitmapdir=/usr/include/X11/bitmaps
1720 # accumulate include directories that have X11 bitmap subdirectories
1722 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1723 if test -d "${bmd}/X11/bitmaps"; then
1724 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1726 if test -d "${bmd}/bitmaps"; then
1727 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1730 if test ${bmd_acc} != "dummyval"; then
1731 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1738 tmp_CPPFLAGS="$CPPFLAGS"
1739 tmp_CFLAGS="$CFLAGS"
1740 CPPFLAGS="$CPPFLAGS -x objective-c"
1741 CFLAGS="$CFLAGS -x objective-c"
1744 if test "${with_ns}" != no; then
1745 if test "${opsys}" = darwin; then
1747 ns_appdir=`pwd`/nextstep/Emacs.app
1748 ns_appbindir=${ns_appdir}/Contents/MacOS
1749 ns_appresdir=${ns_appdir}/Contents/Resources
1750 ns_appsrc=Cocoa/Emacs.base
1751 ns_fontfile=macfont.o
1752 elif test -f $GNUSTEP_CONFIG_FILE; then
1754 ns_appdir=`pwd`/nextstep/Emacs.app
1755 ns_appbindir=${ns_appdir}
1756 ns_appresdir=${ns_appdir}/Resources
1757 ns_appsrc=GNUstep/Emacs.base
1758 ns_fontfile=nsfont.o
1759 dnl FIXME sourcing this several times in subshells seems inefficient.
1760 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1761 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1762 dnl I seemed to need these as well with GNUstep-startup 0.25.
1763 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1764 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1765 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1766 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1767 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1768 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1769 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1770 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1771 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1772 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1773 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1774 dnl If they had chosen to either define it or not, we could have
1775 dnl just used AC_CHECK_DECL here.
1776 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1777 emacs_cv_objc_exceptions,
1778 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1779 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1783 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1784 if test $emacs_cv_objc_exceptions = yes; then
1785 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1786 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1787 [Define if GNUstep uses ObjC exceptions.])
1788 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1792 dnl This is only used while we test the NS headers, it gets reset below.
1793 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1795 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1796 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1797 files are missing or cannot be compiled.])])
1800 if test "${NS_IMPL_COCOA}" = "yes"; then
1801 AC_MSG_CHECKING([for OSX 10.6 or newer])
1802 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1804 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1805 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1808 error "OSX 10.6 or newer required";
1812 ns_osx_have_106=yes,
1814 AC_MSG_RESULT([$ns_osx_have_106])
1816 if test $ns_osx_have_106 = no; then
1817 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1822 AC_SUBST(LIBS_GNUSTEP)
1824 INSTALL_ARCH_INDEP_EXTRA=install-etc
1825 ns_self_contained=no
1828 if test "${HAVE_NS}" = yes; then
1829 if test "$with_toolkit_scroll_bars" = "no"; then
1830 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1833 window_system=nextstep
1834 # set up packaging dirs
1835 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1836 ns_self_contained=yes
1837 prefix=${ns_appresdir}
1838 exec_prefix=${ns_appbindir}
1839 dnl This one isn't really used, only archlibdir is.
1840 libexecdir="\${ns_appbindir}/libexec"
1841 archlibdir="\${ns_appbindir}/libexec"
1842 etcdocdir="\${ns_appresdir}/etc"
1843 etcdir="\${ns_appresdir}/etc"
1844 dnl FIXME maybe set datarootdir instead.
1845 dnl That would also get applications, icons, man.
1846 infodir="\${ns_appresdir}/info"
1847 mandir="\${ns_appresdir}/man"
1848 lispdir="\${ns_appresdir}/lisp"
1849 INSTALL_ARCH_INDEP_EXTRA=
1852 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1854 CFLAGS="$tmp_CFLAGS"
1855 CPPFLAGS="$tmp_CPPFLAGS"
1856 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1857 AC_SUBST(ns_self_contained)
1859 AC_SUBST(NS_OBJC_OBJ)
1870 if test "${with_w32}" != no; then
1873 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1874 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1875 cannot be found.])])
1878 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1881 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1886 if test "${opsys}" = "mingw32"; then
1887 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1888 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1889 #include <windows.h>
1890 #include <usp10.h>]],
1891 [[PIMAGE_NT_HEADERS pHeader;
1892 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1893 [emacs_cv_w32api=yes
1896 AC_MSG_RESULT($emacs_cv_w32api)
1897 if test "${emacs_cv_w32api}" = "no"; then
1898 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1909 if test "${HAVE_W32}" = "yes"; then
1910 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1911 AC_CHECK_TOOL(WINDRES, [windres],
1912 [AC_MSG_ERROR([No resource compiler found.])])
1913 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1914 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1915 EMACSRES="emacs.res"
1916 case "$canonical" in
1917 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1918 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1920 dnl Construct something of the form "24,4,0,0" with 4 components.
1921 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1923 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1924 AC_SUBST(comma_version)
1925 AC_SUBST(comma_space_version)
1926 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1927 if test "${opsys}" = "cygwin"; then
1928 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1929 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1930 # Tell the linker that emacs.res is an object (which we compile from
1931 # the rc file), not a linker script.
1932 W32_RES_LINK="-Wl,emacs.res"
1934 UPDATE_MANIFEST=update-game-score.exe.manifest
1935 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1936 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1937 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1938 W32_RES_LINK="\$(EMACSRES)"
1939 CLIENTRES="emacsclient.res"
1940 CLIENTW="emacsclientw\$(EXEEXT)"
1941 FIRSTFILE_OBJ=firstfile.o
1944 LIBS_ECLIENT="-lcomctl32"
1945 LIB_WSOCK32="-lwsock32"
1946 NTLIB="ntlib.$ac_objext"
1947 XARGS_LIMIT="-s 10000"
1953 AC_SUBST(EMACS_MANIFEST)
1954 AC_SUBST(UPDATE_MANIFEST)
1957 AC_SUBST(W32_RES_LINK)
1958 AC_SUBST(FIRSTFILE_OBJ)
1961 AC_SUBST(LIBS_ECLIENT)
1962 AC_SUBST(LIB_WSOCK32)
1964 AC_SUBST(XARGS_LIMIT)
1966 if test "${HAVE_W32}" = "yes"; then
1971 ## $window_system is now set to the window system we will
1974 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1975 # Too many warnings for now.
1977 nw="$nw -Wsuggest-attribute=const"
1978 nw="$nw -Wsuggest-attribute=noreturn"
1979 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1981 gl_WARN_ADD([-Wno-unused-variable])
1982 gl_WARN_ADD([-Wno-unused-but-set-variable])
1983 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1991 case "${window_system}" in
1996 case "${with_x_toolkit}" in
1997 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1998 motif ) USE_X_TOOLKIT=MOTIF ;;
2000 term_header=gtkutil.h
2001 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2002 dnl USE_X_TOOLKIT is set.
2003 USE_X_TOOLKIT=none ;;
2004 gtk2 ) with_gtk2=yes
2005 term_header=gtkutil.h
2006 USE_X_TOOLKIT=none ;;
2007 gtk3 ) with_gtk3=yes
2008 term_header=gtkutil.h
2009 USE_X_TOOLKIT=none ;;
2010 no ) USE_X_TOOLKIT=none ;;
2011 dnl If user did not say whether to use a toolkit, make this decision later:
2012 dnl use the toolkit if we have gtk, or X11R5 or newer.
2013 * ) USE_X_TOOLKIT=maybe ;;
2017 term_header=nsterm.h
2020 term_header=w32term.h
2024 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2025 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2026 if test "$HAVE_XSERVER" = true ||
2027 test -n "$DISPLAY" ||
2028 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2029 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2030 were found. You should install the relevant development files for X
2031 and for the toolkit you want, such as Gtk+ or Motif. Also make
2032 sure you have development files for image handling, i.e.
2033 tiff, gif, jpeg, png and xpm.
2034 If you are sure you want Emacs compiled without X window support, pass
2040 # Does the opsystem file prohibit the use of the GNU malloc?
2041 # Assume not, until told otherwise.
2045 [whether malloc is Doug Lea style],
2046 [emacs_cv_var_doug_lea_malloc],
2047 [emacs_cv_var_doug_lea_malloc=no
2048 dnl Hooks do not work with address sanitization.
2049 if test "$emacs_cv_sanitize_address" != yes; then
2052 [[#include <malloc.h>
2053 static void hook (void) {}]],
2054 [[malloc_set_state (malloc_get_state ());
2055 __after_morecore_hook = hook;
2056 __malloc_initialize_hook = hook;]])],
2057 [emacs_cv_var_doug_lea_malloc=yes])])
2059 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2061 system_malloc=$emacs_cv_sanitize_address
2066 ## darwin ld insists on the use of malloc routines in the System framework.
2067 darwin|mingw32|sol2-10) system_malloc=yes ;;
2068 cygwin) hybrid_malloc=yes;;
2072 if test "${system_malloc}" = "yes"; then
2073 AC_DEFINE([SYSTEM_MALLOC], 1,
2074 [Define to 1 to use the system memory allocator, even if it is not
2078 (The GNU allocators don't work with this system configuration.)"
2080 elif test "$hybrid_malloc" = yes; then
2081 AC_DEFINE(HYBRID_MALLOC, 1,
2082 [Define to use gmalloc before dumping and the system malloc after.])
2084 GNU_MALLOC_reason="only before dumping"
2085 GMALLOC_OBJ=gmalloc.o
2088 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2089 VMLIMIT_OBJ=vm-limit.o
2091 AC_CHECK_HEADERS([sys/vlimit.h])
2092 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2095 [[extern char data_start[]; char ch;]],
2096 [[return data_start < &ch;]])],
2097 [emacs_cv_data_start=yes],
2098 [emacs_cv_data_start=no])])
2099 if test $emacs_cv_data_start = yes; then
2100 AC_DEFINE([HAVE_DATA_START], 1,
2101 [Define to 1 if data_start is the address of the start
2102 of the main data segment.])
2105 AC_SUBST(GMALLOC_OBJ)
2106 AC_SUBST(VMLIMIT_OBJ)
2108 if test "$doug_lea_malloc" = "yes" ; then
2109 if test "$GNU_MALLOC" = yes ; then
2111 (Using Doug Lea's new malloc from the GNU C Library.)"
2113 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2114 [Define to 1 if the system memory allocator is Doug Lea style,
2115 with malloc hooks and malloc_set_state.])
2117 ## Use mmap directly for allocating larger buffers.
2118 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2119 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2120 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2122 mingw32|gnu*) REL_ALLOC=no ;;
2126 if test x"${REL_ALLOC}" = x; then
2127 REL_ALLOC=${GNU_MALLOC}
2130 use_mmap_for_buffers=no
2132 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2136 if test $use_mmap_for_buffers = yes; then
2137 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2141 LIBS="$LIBS_SYSTEM $LIBS"
2143 dnl FIXME replace main with a function we actually want from this library.
2144 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2146 dnl Check for the POSIX thread library.
2148 if test "$opsys" != "mingw32"; then
2149 AC_CHECK_HEADERS_ONCE(pthread.h)
2150 if test "$ac_cv_header_pthread_h"; then
2151 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2152 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2153 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2154 if test "$GMALLOC_OBJ" = gmalloc.o; then
2155 emacs_pthread_function=pthread_atfork
2157 emacs_pthread_function=pthread_kill
2160 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2161 [AC_DEFINE([HAVE_PTHREAD], [1],
2162 [Define to 1 if you have pthread (-lpthread).])
2163 # Some systems optimize for single-threaded programs by default, and
2164 # need special flags to disable these optimizations. For example, the
2165 # definition of 'errno' in <errno.h>.
2168 AC_DEFINE([_REENTRANT], 1,
2169 [Define to 1 if your system requires this in multithreaded code.]);;
2171 AC_DEFINE([_THREAD_SAFE], 1,
2172 [Define to 1 if your system requires this in multithreaded code.]);;
2174 if test "X$LIBS" != "X$OLD_LIBS"; then
2175 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2179 AC_SUBST([LIB_PTHREAD])
2182 dnl Check for need for bigtoc support on IBM AIX
2186 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2188 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2189 *) gdb_cv_bigtoc=-bbigtoc ;;
2192 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2193 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2198 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2199 # is for the tests that follow. We set them back later on.
2201 REAL_CFLAGS="$CFLAGS"
2202 REAL_CPPFLAGS="$CPPFLAGS"
2205 if test "${HAVE_X11}" = "yes"; then
2206 DEFS="$C_SWITCH_X_SITE $DEFS"
2207 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2209 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2210 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2212 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2213 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2214 # but it's more convenient here to set LD_RUN_PATH since this
2215 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2216 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2217 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2221 if test "${opsys}" = "gnu-linux"; then
2222 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2223 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2224 [[XOpenDisplay ("foo");]])],
2225 [xgnu_linux_first_failure=no],
2226 [xgnu_linux_first_failure=yes])
2227 if test "${xgnu_linux_first_failure}" = "yes"; then
2228 OLD_CPPFLAGS="$CPPFLAGS"
2230 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2231 LIBS="$LIBS -b i486-linuxaout"
2232 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2233 [[XOpenDisplay ("foo");]])],
2234 [xgnu_linux_second_failure=no],
2235 [xgnu_linux_second_failure=yes])
2236 if test "${xgnu_linux_second_failure}" = "yes"; then
2237 # If we get the same failure with -b, there is no use adding -b.
2238 # So leave it out. This plays safe.
2241 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2242 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2245 CPPFLAGS=$OLD_CPPFLAGS
2252 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2253 # header files included from there.
2254 AC_MSG_CHECKING(for Xkb)
2255 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2256 #include <X11/XKBlib.h>]],
2257 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2258 emacs_xkb=yes, emacs_xkb=no)
2259 AC_MSG_RESULT($emacs_xkb)
2260 if test $emacs_xkb = yes; then
2261 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2264 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2265 XScreenNumberOfScreen)
2268 if test "${window_system}" = "x11"; then
2269 AC_MSG_CHECKING(X11 version 6)
2270 AC_CACHE_VAL(emacs_cv_x11_version_6,
2271 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2272 [[#if XlibSpecificationRelease < 6
2275 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2276 if test $emacs_cv_x11_version_6 = yes; then
2277 AC_MSG_RESULT(6 or newer)
2278 AC_DEFINE(HAVE_X11R6, 1,
2279 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2280 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2281 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2285 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2286 [Define if you have usable X11R6-style XIM support.])
2290 AC_MSG_RESULT(before 6)
2295 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2297 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2298 if test "${with_rsvg}" != "no"; then
2299 RSVG_REQUIRED=2.11.0
2300 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2302 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2303 AC_SUBST(RSVG_CFLAGS)
2306 if test $HAVE_RSVG = yes; then
2307 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2308 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2309 # Windows loads librsvg dynamically
2310 if test "${opsys}" = "mingw32"; then
2318 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2319 if test "${with_imagemagick}" != "no"; then
2320 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2321 ## 6.8.2 makes Emacs crash; see Bug#13867.
2322 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2323 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2324 AC_SUBST(IMAGEMAGICK_CFLAGS)
2325 AC_SUBST(IMAGEMAGICK_LIBS)
2327 if test $HAVE_IMAGEMAGICK = yes; then
2328 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2331 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2332 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2333 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2343 gtk_term_header=$term_header
2346 if test "${opsys}" != "mingw32"; then
2347 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2350 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2352 dnl Checks for libraries.
2353 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2354 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2355 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2356 AC_MSG_ERROR($GTK_PKG_ERRORS)
2358 if test "$pkg_check_gtk" = "yes"; then
2359 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2360 GTK_OBJ=emacsgtkfixed.o
2361 gtk_term_header=gtkutil.h
2362 USE_GTK_TOOLKIT="GTK3"
2363 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2364 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2365 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2366 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2367 [Define to 1 to disable Glib deprecation warnings.])
2371 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2375 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2378 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2380 dnl Checks for libraries.
2381 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2382 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2383 if test "$pkg_check_gtk" = "no" &&
2384 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2386 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2388 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2395 if test x"$pkg_check_gtk" = xyes; then
2398 CFLAGS="$CFLAGS $GTK_CFLAGS"
2399 LIBS="$GTK_LIBS $LIBS"
2400 dnl Try to compile a simple GTK program.
2401 AC_MSG_CHECKING([whether GTK compiles])
2405 [[/* Check the Gtk and Glib APIs. */
2406 #include <gtk/gtk.h>
2407 #include <glib-object.h>
2409 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2413 GtkSettings *gs = 0;
2414 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2415 strict C prohibits this. Use gtk_main_iteration to test that the
2416 libraries are there. */
2417 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2418 0, 0, 0, G_CALLBACK (callback), 0))
2419 gtk_main_iteration ();
2422 AC_MSG_RESULT([$GTK_COMPILES])
2423 if test "${GTK_COMPILES}" != "yes"; then
2425 if test "$USE_X_TOOLKIT" != "maybe"; then
2426 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2429 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2431 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2432 GTK_OBJ="gtkutil.o $GTK_OBJ"
2433 term_header=$gtk_term_header
2435 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2438 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2439 closing open displays. This is no problem if you just use
2440 one display, but if you use more than one and close one of them
2450 if test "${HAVE_GTK}" = "yes"; then
2452 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2453 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2454 if test "$with_toolkit_scroll_bars" != no; then
2455 with_toolkit_scroll_bars=yes
2458 dnl Check if we have the old file selection dialog declared and
2459 dnl in the link library. In 2.x it may be in the library,
2460 dnl but not declared if deprecated featured has been selected out.
2461 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2462 HAVE_GTK_FILE_SELECTION=no
2463 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2464 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2465 #include <gtk/gtk.h>])
2466 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2467 AC_CHECK_FUNCS(gtk_file_selection_new)
2470 dnl Same as above for gtk_handle_box.
2471 HAVE_GTK_HANDLE_BOX=no
2472 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2473 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2474 #include <gtk/gtk.h>])
2475 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2476 AC_CHECK_FUNCS(gtk_handle_box_new)
2479 dnl Same as above for gtk_tearoff_menu_item.
2480 HAVE_GTK_TEAROFF_MENU_ITEM=no
2481 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2482 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2483 #include <gtk/gtk.h>])
2484 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2485 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2488 dnl Check for functions introduced in 2.14 and later.
2489 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2490 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2491 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2492 gtk_orientable_set_orientation \
2493 gtk_window_set_has_resize_grip)
2495 term_header=gtkutil.h
2503 if test "${with_xwidgets}" != "no" && test "${USE_GTK_TOOLKIT}" = "GTK3" && test "$window_system" != "none" ; then
2504 echo "xwidgets enabled, checking webkit, and others"
2506 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2508 dnl - enable only if GTK3 is enabled, and we have a window system
2509 dnl - check for webkit and gobject introspection
2512 #webkit version for gtk3.
2513 WEBKIT_REQUIRED=1.4.0
2514 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2516 if test "${with_gtk3}" = "yes"; then
2517 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2518 if test $HAVE_WEBKIT = yes; then
2519 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2524 GIR_MODULES="gobject-introspection-1.0 >= $GIR_REQUIRED"
2525 PKG_CHECK_MODULES(GIR, $GIR_MODULES, HAVE_GIR=yes, HAVE_GIR=no)
2526 if test $HAVE_GIR = yes; then
2527 AC_DEFINE(HAVE_GIR, 1, [Define to 1 if you have GIR support.])
2536 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2537 dnl other platforms.
2540 if test "${with_dbus}" = "yes"; then
2541 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2542 if test "$HAVE_DBUS" = yes; then
2543 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2544 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2545 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2548 LIBS="$LIBS $DBUS_LIBS"
2549 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2550 dbus_type_is_valid \
2551 dbus_validate_bus_name \
2552 dbus_validate_path \
2553 dbus_validate_interface \
2554 dbus_validate_member)
2559 AC_SUBST(DBUS_CFLAGS)
2563 dnl GSettings has been tested under GNU/Linux only.
2565 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2566 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2567 if test "$HAVE_GSETTINGS" = "yes"; then
2569 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2571 LIBS="$LIBS $GSETTINGS_LIBS"
2572 AC_MSG_CHECKING([whether GSettings is in gio])
2575 [[/* Check that gsettings really is present. */
2576 #include <glib-object.h>
2577 #include <gio/gio.h>
2580 GSettings *settings;
2581 GVariant *val = g_settings_get_value (settings, "");
2583 [], HAVE_GSETTINGS=no)
2584 AC_MSG_RESULT([$HAVE_GSETTINGS])
2586 if test "$HAVE_GSETTINGS" = "yes"; then
2587 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2588 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2589 SETTINGS_LIBS="$GSETTINGS_LIBS"
2596 dnl GConf has been tested under GNU/Linux only.
2597 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2599 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2600 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2601 if test "$HAVE_GCONF" = yes; then
2602 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2603 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2604 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2605 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2609 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2610 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2611 if test "$HAVE_GOBJECT" = "yes"; then
2612 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2613 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2615 SAVE_CFLAGS="$CFLAGS"
2617 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2618 LIBS="$SETTINGS_LIBS $LIBS"
2619 CFLAGS="$SAVE_CFLAGS"
2622 AC_SUBST(SETTINGS_CFLAGS)
2623 AC_SUBST(SETTINGS_LIBS)
2626 dnl SELinux is available for GNU/Linux only.
2629 if test "${with_selinux}" = "yes"; then
2630 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2631 if test "$HAVE_LIBSELINUX" = yes; then
2632 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2633 LIBSELINUX_LIBS=-lselinux
2636 AC_SUBST(LIBSELINUX_LIBS)
2639 if test "${with_gnutls}" = "yes" ; then
2640 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2641 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2642 if test "${HAVE_GNUTLS}" = "yes"; then
2643 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2644 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2645 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2648 # Windows loads GnuTLS dynamically
2649 if test "${opsys}" = "mingw32"; then
2654 AC_SUBST(LIBGNUTLS_LIBS)
2655 AC_SUBST(LIBGNUTLS_CFLAGS)
2660 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2661 dnl a particular library. This doesn't make much sense?
2662 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2663 with_file_notification=no
2666 dnl MS Windows native file monitor is available for mingw32 only.
2667 case $with_file_notification,$opsys in
2668 w32,* | yes,mingw32)
2669 AC_CHECK_HEADER(windows.h)
2670 if test "$ac_cv_header_windows_h" = yes ; then
2671 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2672 NOTIFY_OBJ=w32notify.o
2673 NOTIFY_SUMMARY="yes (w32)"
2677 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2678 dnl has been added in glib 2.24. It has been tested under
2679 dnl GNU/Linux only. We take precedence over inotify, but this makes
2680 dnl only sense when glib has been compiled with inotify support. How
2682 case $with_file_notification,$NOTIFY_OBJ in
2684 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2685 if test "$HAVE_GFILENOTIFY" = "yes"; then
2686 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2687 NOTIFY_OBJ=gfilenotify.o
2688 NOTIFY_SUMMARY="yes -lgio (gfile)"
2692 dnl inotify is only available on GNU/Linux.
2693 case $with_file_notification,$NOTIFY_OBJ in
2695 AC_CHECK_HEADER(sys/inotify.h)
2696 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2697 AC_CHECK_FUNC(inotify_init1)
2698 if test "$ac_cv_func_inotify_init1" = yes; then
2699 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2700 NOTIFY_OBJ=inotify.o
2701 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2706 case $with_file_notification,$NOTIFY_OBJ in
2707 yes,* | no,* | *,?*) ;;
2708 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2711 if test -n "$NOTIFY_OBJ"; then
2712 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2714 AC_SUBST(NOTIFY_OBJ)
2715 AC_SUBST(GFILENOTIFY_CFLAGS)
2716 AC_SUBST(GFILENOTIFY_LIBS)
2718 dnl Do not put whitespace before the #include statements below.
2719 dnl Older compilers (eg sunos4 cc) choke on it.
2722 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2723 if test "$with_xaw3d" != no; then
2724 AC_CACHE_VAL(emacs_cv_xaw3d,
2725 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2726 #include <X11/Intrinsic.h>
2727 #include <X11/Xaw3d/Simple.h>]],
2729 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2730 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2731 emacs_cv_xaw3d=no)])
2735 if test $emacs_cv_xaw3d = yes; then
2736 AC_MSG_CHECKING(for xaw3d)
2737 AC_MSG_RESULT([yes; using Lucid toolkit])
2741 AC_DEFINE(HAVE_XAW3D, 1,
2742 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2744 AC_MSG_CHECKING(for xaw3d)
2746 AC_MSG_CHECKING(for libXaw)
2747 AC_CACHE_VAL(emacs_cv_xaw,
2748 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2749 #include <X11/Intrinsic.h>
2750 #include <X11/Xaw/Simple.h>]],
2754 if test $emacs_cv_xaw = yes; then
2755 AC_MSG_RESULT([yes; using Lucid toolkit])
2758 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2759 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2761 AC_MSG_ERROR([No X toolkit could be found.
2762 If you are sure you want Emacs compiled without an X toolkit, pass
2764 to configure. Otherwise, install the development libraries for the toolkit
2765 that you want to use (e.g. Gtk+) and re-run configure.])
2770 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2774 if test "${USE_X_TOOLKIT}" != "none"; then
2775 AC_MSG_CHECKING(X11 toolkit version)
2776 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2777 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2778 [[#if XtSpecificationRelease < 6
2781 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2782 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2783 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2784 AC_MSG_RESULT(6 or newer)
2785 AC_DEFINE(HAVE_X11XTR6, 1,
2786 [Define to 1 if you have the X11R6 or newer version of Xt.])
2787 LIBXTR6="-lSM -lICE"
2789 ## Use libw.a along with X11R6 Xt.
2790 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2793 AC_MSG_RESULT(before 6)
2796 dnl If using toolkit, check whether libXmu.a exists.
2797 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2799 if test x$HAVE_X11XTR6 = xyes; then
2800 OTHERLIBS='-lXt -lSM -lICE'
2804 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2805 if test "X$LIBS" != "X$OLDLIBS"; then
2806 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2809 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2815 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2816 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2817 if test -d /usr/include/openmotif; then
2818 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2819 emacs_cv_openmotif=yes
2820 case "$canonical" in
2821 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2822 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2825 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2828 emacs_cv_openmotif=no
2830 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2831 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2832 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2835 Motif version prior to 2.1.
2837 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2838 if test $emacs_cv_motif_version_2_1 = yes; then
2839 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2840 if test x$emacs_cv_openmotif = xyes; then
2841 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2844 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2845 # We put this in CFLAGS temporarily to precede other -I options
2846 # that might be in CFLAGS temporarily.
2847 # We put this in CPPFLAGS where it precedes the other -I options.
2848 OLD_CPPFLAGS=$CPPFLAGS
2850 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2851 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2852 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2854 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2855 if test $emacs_cv_lesstif = yes; then
2856 # Make sure this -I option remains in CPPFLAGS after it is set
2857 # back to REAL_CPPFLAGS.
2858 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2859 # have those other -I options anyway. Ultimately, having this
2860 # directory ultimately in CPPFLAGS will be enough.
2861 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2862 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2865 CPPFLAGS=$OLD_CPPFLAGS
2868 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2869 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2872 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2873 dnl using Motif or Xaw3d is available, and unless
2874 dnl --with-toolkit-scroll-bars=no was specified.
2876 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2877 [Define to 1 if we should use toolkit scroll bars.])dnl
2878 USE_TOOLKIT_SCROLL_BARS=no
2879 if test "${with_toolkit_scroll_bars}" != "no"; then
2880 if test "${USE_X_TOOLKIT}" != "none"; then
2881 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2882 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2884 USE_TOOLKIT_SCROLL_BARS=yes
2885 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2886 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2887 USE_TOOLKIT_SCROLL_BARS=yes
2889 elif test "${HAVE_GTK}" = "yes"; then
2890 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2891 USE_TOOLKIT_SCROLL_BARS=yes
2892 elif test "${HAVE_NS}" = "yes"; then
2893 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2894 USE_TOOLKIT_SCROLL_BARS=yes
2895 elif test "${HAVE_W32}" = "yes"; then
2896 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2897 USE_TOOLKIT_SCROLL_BARS=yes
2901 dnl See if XIM is available.
2902 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2903 #include <X11/Xlib.h>
2904 #include <X11/Xresource.h>]],
2905 [[XIMProc callback;]])],
2907 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2910 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2912 if test "${with_xim}" != "no"; then
2913 AC_DEFINE(USE_XIM, 1,
2914 [Define to 1 if we should use XIM, if it is available.])
2918 if test "${HAVE_XIM}" != "no"; then
2920 if test "$GCC" = yes; then
2921 CFLAGS="$CFLAGS --pedantic-errors"
2923 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2924 #include <X11/Xlib.h>
2925 #include <X11/Xresource.h>]],
2931 XPointer *client_data;
2933 /* If we're not using GCC, it's probably not XFree86, and this is
2934 probably right, but we can't use something like --pedantic-errors. */
2935 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2936 char*, XIMProc, XPointer*);
2938 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2940 [emacs_cv_arg6_star=yes])
2941 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2942 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2943 either XPointer or XPointer*.])dnl
2944 if test "$emacs_cv_arg6_star" = yes; then
2945 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2947 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2952 ### Start of font-backend (under any platform) section.
2953 # (nothing here yet -- this is a placeholder)
2954 ### End of font-backend (under any platform) section.
2956 ### Start of font-backend (under X11) section.
2957 if test "${HAVE_X11}" = "yes"; then
2958 ## Use -lXft if available, unless `--with-xft=no'.
2960 if test "x${with_x}" = "xno"; then
2964 if test "$with_xft" != no; then
2965 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2966 with_xft=$HAVE_FONTCONFIG
2969 if test "x${with_xft}" != "xno"; then
2971 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2972 ## Because xftfont.c uses XRenderQueryExtension, we also
2973 ## need to link to -lXrender.
2975 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2976 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2977 OLD_CPPFLAGS="$CPPFLAGS"
2978 OLD_CFLAGS="$CFLAGS"
2980 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2981 CFLAGS="$CFLAGS $XFT_CFLAGS"
2982 XFT_LIBS="-lXrender $XFT_LIBS"
2983 LIBS="$XFT_LIBS $LIBS"
2984 AC_CHECK_HEADER(X11/Xft/Xft.h,
2985 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2986 [[#include <X11/X.h>]])
2988 if test "${HAVE_XFT}" = "yes"; then
2989 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2991 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2992 fi # "${HAVE_XFT}" = "yes"
2993 CPPFLAGS=$OLD_CPPFLAGS
2996 fi # "$HAVE_XFT" != no
2997 fi # "x${with_xft}" != "xno"
2999 ## We used to allow building with FreeType and without Xft.
3000 ## However, the ftx font backend driver is not in good shape.
3001 if test "$HAVE_XFT" != "yes"; then
3002 dnl For the "Does Emacs use" message at the end.
3006 dnl Strict linkers fail with
3007 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3008 dnl if -lfreetype is not specified.
3009 dnl The following is needed to set FREETYPE_LIBS.
3010 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3012 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3016 if test "${HAVE_FREETYPE}" = "yes"; then
3017 AC_DEFINE(HAVE_FREETYPE, 1,
3018 [Define to 1 if using the freetype and fontconfig libraries.])
3019 if test "${with_libotf}" != "no"; then
3020 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3021 if test "$HAVE_LIBOTF" = "yes"; then
3022 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3023 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3024 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3025 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3026 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3027 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3028 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3032 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3033 dnl Does the new font backend require it, or can it work without it?
3037 if test "${HAVE_LIBOTF}" = yes; then
3038 if test "${with_m17n_flt}" != "no"; then
3039 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3040 if test "$HAVE_M17N_FLT" = "yes"; then
3041 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3052 ### End of font-backend (under X11) section.
3054 AC_SUBST(FREETYPE_CFLAGS)
3055 AC_SUBST(FREETYPE_LIBS)
3056 AC_SUBST(FONTCONFIG_CFLAGS)
3057 AC_SUBST(FONTCONFIG_LIBS)
3058 AC_SUBST(LIBOTF_CFLAGS)
3059 AC_SUBST(LIBOTF_LIBS)
3060 AC_SUBST(M17N_FLT_CFLAGS)
3061 AC_SUBST(M17N_FLT_LIBS)
3063 ### Use -lXpm if available, unless `--with-xpm=no'.
3064 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3065 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3066 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3067 ### LDFLAGS) accordingly.
3070 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3071 if test "${with_xpm}" != "no"; then
3072 SAVE_CPPFLAGS="$CPPFLAGS"
3073 SAVE_LDFLAGS="$LDFLAGS"
3074 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3075 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3076 AC_CHECK_HEADER(X11/xpm.h,
3077 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3078 if test "${HAVE_XPM}" = "yes"; then
3079 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3080 AC_EGREP_CPP(no_return_alloc_pixels,
3081 [#include "X11/xpm.h"
3082 #ifndef XpmReturnAllocPixels
3083 no_return_alloc_pixels
3085 ], HAVE_XPM=no, HAVE_XPM=yes)
3087 if test "${HAVE_XPM}" = "yes"; then
3088 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3092 CPPFLAGS="$SAVE_CPPFLAGS"
3093 LDFLAGS="$SAVE_LDFLAGS"
3098 if test "${HAVE_XPM}" = "yes"; then
3099 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3104 if test "${HAVE_X11}" = "yes"; then
3105 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3106 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3108 if test "${with_xpm}" != "no"; then
3109 AC_CHECK_HEADER(X11/xpm.h,
3110 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3111 if test "${HAVE_XPM}" = "yes"; then
3112 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3113 AC_EGREP_CPP(no_return_alloc_pixels,
3114 [#include "X11/xpm.h"
3115 #ifndef XpmReturnAllocPixels
3116 no_return_alloc_pixels
3118 ], HAVE_XPM=no, HAVE_XPM=yes)
3120 if test "${HAVE_XPM}" = "yes"; then
3128 if test "${HAVE_XPM}" = "yes"; then
3129 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3131 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3132 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3137 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3138 ### slightly different requirements wrt image libraries (it doesn't
3139 ### use -lXpm because it loads the xpm shared library dynamically at
3141 if test "${opsys}" = "mingw32"; then
3142 if test "${with_xpm}" != "no"; then
3143 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3147 if test "${HAVE_XPM}" = "yes"; then
3148 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3154 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3155 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3158 if test "${opsys}" = "mingw32"; then
3159 if test "${with_jpeg}" != "no"; then
3160 dnl Checking for jpeglib.h can lose because of a redefinition of
3162 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3164 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3165 if test "${HAVE_JPEG}" = "yes"; then
3166 AC_DEFINE(HAVE_JPEG)
3167 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3168 [#include <jpeglib.h>
3169 version=JPEG_LIB_VERSION
3171 [AC_DEFINE(HAVE_JPEG)],
3172 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3175 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3176 if test "${with_jpeg}" != "no"; then
3177 dnl Checking for jpeglib.h can lose because of a redefinition of
3179 AC_CHECK_HEADER(jerror.h,
3180 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3183 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3184 if test "${HAVE_JPEG}" = "yes"; then
3185 AC_DEFINE(HAVE_JPEG)
3186 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3187 [#include <jpeglib.h>
3188 version=JPEG_LIB_VERSION
3190 [AC_DEFINE(HAVE_JPEG)],
3191 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3194 if test "${HAVE_JPEG}" = "yes"; then
3202 if test "${with_zlib}" != "no"; then
3204 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3206 case $ac_cv_search_inflateEnd in
3207 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3210 if test "${HAVE_ZLIB}" = "yes"; then
3211 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3212 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3213 if test "${opsys}" = "mingw32"; then
3219 ### Use -lpng if available, unless `--with-png=no'.
3223 if test "${NS_IMPL_COCOA}" = yes; then
3225 elif test "${with_png}" != no; then
3226 # mingw32 loads the library dynamically.
3227 if test "$opsys" = mingw32; then
3228 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3229 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3230 AC_MSG_CHECKING([for png])
3231 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3232 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3233 # libpng-config does not work; configure by hand.
3234 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3235 # in /usr/include/libpng.
3236 if test -r /usr/include/libpng/png.h &&
3237 test ! -r /usr/include/png.h; then
3238 png_cflags=-I/usr/include/libpng
3246 CFLAGS="$CFLAGS $png_cflags"
3247 LIBS="$png_libs -lz -lm $LIBS"
3249 [AC_LANG_PROGRAM([[#include <png.h>]],
3250 [[return !png_get_channels (0, 0);]])],
3252 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3254 # $LIBPNG requires explicit -lz in some cases.
3255 # We don't know what those cases are, exactly, so play it safe and
3256 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3257 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3258 LIBPNG="$LIBPNG -lz"
3262 AC_MSG_RESULT([$HAVE_PNG])
3265 if test $HAVE_PNG = yes; then
3266 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3269 CFLAGS="$CFLAGS $PNG_CFLAGS"
3270 AC_CHECK_DECL([png_longjmp],
3272 [AC_DEFINE([PNG_DEPSTRUCT], [],
3273 [Define to empty to suppress deprecation warnings when building
3274 with --enable-gcc-warnings and with libpng versions before 1.5,
3275 which lack png_longjmp.])],
3281 AC_SUBST(PNG_CFLAGS)
3283 ### Use -ltiff if available, unless `--with-tiff=no'.
3284 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3287 if test "${opsys}" = "mingw32"; then
3288 if test "${with_tiff}" != "no"; then
3289 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3291 if test "${HAVE_TIFF}" = "yes"; then
3292 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3294 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3295 if test "${with_tiff}" != "no"; then
3296 AC_CHECK_HEADER(tiffio.h,
3298 # At least one tiff package requires the jpeg library.
3299 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3300 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3303 if test "${HAVE_TIFF}" = "yes"; then
3304 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3305 dnl FIXME -lz -lm, as per libpng?
3311 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3312 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3315 if test "${opsys}" = "mingw32"; then
3316 if test "${with_gif}" != "no"; then
3317 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3319 if test "${HAVE_GIF}" = "yes"; then
3320 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3322 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3323 || test "${HAVE_W32}" = "yes"; then
3324 AC_CHECK_HEADER(gif_lib.h,
3325 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3326 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3327 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3328 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3330 if test "$HAVE_GIF" = yes; then
3332 elif test "$HAVE_GIF" = maybe; then
3333 # If gif_lib.h but no libgif, try libungif.
3334 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3335 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3338 if test "${HAVE_GIF}" = "yes"; then
3339 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3344 dnl Check for required libraries.
3345 if test "${HAVE_X11}" = "yes"; then
3348 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3349 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3350 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3351 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3352 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3353 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3354 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3355 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3356 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3357 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3359 if test "X${MISSING}" != X; then
3360 AC_MSG_ERROR([The following required libraries were not found:
3362 Maybe some development libraries/packages are missing?
3363 If you don't want to link with them give
3365 as options to configure])
3369 ### Use -lgpm if available, unless `--with-gpm=no'.
3372 if test "${with_gpm}" != "no"; then
3373 AC_CHECK_HEADER(gpm.h,
3374 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3376 if test "${HAVE_GPM}" = "yes"; then
3377 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3383 dnl Check for malloc/malloc.h on darwin
3384 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3387 ### Use NeXTstep API to implement GUI.
3388 if test "${HAVE_NS}" = "yes"; then
3389 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3390 if test "${NS_IMPL_COCOA}" = "yes"; then
3391 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3393 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3394 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3395 # See also .m.o rule in Makefile.in */
3396 # FIXME: are all these flags really needed? Document here why. */
3397 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3398 ## Extra CFLAGS applied to src/*.m files.
3399 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3404 ### Use session management (-lSM -lICE) if available
3407 if test "${HAVE_X11}" = "yes"; then
3408 AC_CHECK_HEADER(X11/SM/SMlib.h,
3409 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3411 if test "${HAVE_X_SM}" = "yes"; then
3412 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3418 ### Use XRandr (-lXrandr) if available
3420 if test "${HAVE_X11}" = "yes"; then
3421 XRANDR_REQUIRED=1.2.2
3422 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3423 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3424 if test $HAVE_XRANDR = no; then
3425 # Test old way in case pkg-config doesn't have it (older machines).
3426 # Include Xrender.h by hand to work around bug in older Xrandr.h
3427 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3428 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3429 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3430 [], [AC_INCLUDES_DEFAULT
3431 #include <X11/extensions/Xrender.h>])
3432 if test $HAVE_XRANDR = yes; then
3433 XRANDR_LIBS=-lXrandr
3436 if test $HAVE_XRANDR = yes; then
3437 SAVE_CFLAGS="$CFLAGS"
3439 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3440 LIBS="$XRANDR_LIBS $LIBS"
3441 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3442 CFLAGS="$SAVE_CFLAGS"
3445 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3448 AC_SUBST(XRANDR_CFLAGS)
3449 AC_SUBST(XRANDR_LIBS)
3451 ### Use Xinerama (-lXinerama) if available
3453 if test "${HAVE_X11}" = "yes"; then
3454 XINERAMA_REQUIRED=1.0.2
3455 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3456 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3457 if test $HAVE_XINERAMA = no; then
3458 # Test old way in case pkg-config doesn't have it (older machines).
3459 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3460 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3461 if test $HAVE_XINERAMA = yes; then
3462 XINERAMA_LIBS=-lXinerama
3465 if test $HAVE_XINERAMA = yes; then
3466 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3469 AC_SUBST(XINERAMA_CFLAGS)
3470 AC_SUBST(XINERAMA_LIBS)
3472 ### Use Xfixes (-lXfixes) if available
3474 if test "${HAVE_X11}" = "yes"; then
3475 XFIXES_REQUIRED=4.0.0
3476 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3477 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3478 if test $HAVE_XFIXES = no; then
3479 # Test old way in case pkg-config doesn't have it (older machines).
3480 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3481 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3482 if test $HAVE_XFIXES = yes; then
3483 XFIXES_LIBS=-lXfixes
3486 if test $HAVE_XFIXES = yes; then
3487 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3490 AC_SUBST(XFIXES_CFLAGS)
3491 AC_SUBST(XFIXES_LIBS)
3493 ### Use libxml (-lxml2) if available
3494 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3496 if test "${with_xml2}" != "no"; then
3497 ### I'm not sure what the version number should be, so I just guessed.
3498 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3499 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3500 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3501 SAVE_CPPFLAGS="$CPPFLAGS"
3502 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3503 AC_CHECK_HEADER(libxml/HTMLparser.h,
3504 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3505 [#include <libxml/HTMLparser.h>])])
3506 CPPFLAGS="$SAVE_CPPFLAGS"
3507 if test "${HAVE_LIBXML2}" = "yes"; then
3508 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3509 LIBXML2_LIBS="-lxml2"
3512 if test "${HAVE_LIBXML2}" = "yes"; then
3513 if test "${opsys}" != "mingw32"; then
3514 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3519 if test "${HAVE_LIBXML2}" = "yes"; then
3520 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3527 AC_SUBST(LIBXML2_LIBS)
3528 AC_SUBST(LIBXML2_CFLAGS)
3530 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3531 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3532 if test "${opsys}" = "mingw32"; then
3533 emacs_cv_netdb_declares_h_errno=yes
3535 AC_CACHE_CHECK(whether netdb declares h_errno,
3536 emacs_cv_netdb_declares_h_errno,
3537 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3538 [[return h_errno;]])],
3539 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3540 if test $emacs_cv_netdb_declares_h_errno = yes; then
3541 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3544 # Check for mail-locking functions in a "mail" library. Probably this should
3545 # have the same check as for liblockfile below.
3546 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3547 if test $have_mail = yes; then
3549 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3552 LIBS="$LIBS_MAIL $LIBS"
3553 AC_CHECK_FUNCS(touchlock)
3558 dnl Debian, at least:
3559 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3560 if test $have_lockfile = yes; then
3561 LIBS_MAIL=-llockfile
3562 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3564 # If we have the shared liblockfile, assume we must use it for mail
3565 # locking (e.g. Debian). If we couldn't link against liblockfile
3566 # (no liblockfile.a installed), ensure that we don't need to.
3567 dnl This works for files generally, not just executables.
3568 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3569 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3570 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3571 if test $ac_cv_prog_liblockfile = yes; then
3572 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3573 This probably means that movemail could lose mail.
3574 There may be a `development' package to install containing liblockfile.])
3577 AC_CHECK_HEADERS_ONCE(maillock.h)
3580 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3581 ## interlock access to the mail spool. The alternative is a lock file named
3582 ## /usr/spool/mail/$USER.lock.
3585 aix4-2) mail_lock="lockf" ;;
3587 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3589 ## On GNU/Linux systems, both methods are used by various mail programs.
3590 ## I assume most people are using newer mailers that have heard of flock.
3591 ## Change this if you need to.
3592 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3593 ## configure gets the right answers, and that means *NOT* using flock.
3594 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3595 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3596 ## Debian maintainer hasn't provided a clean fix for Emacs.
3597 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3598 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3599 ## correct logic. -- fx
3600 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3601 ## liblockfile is a Free Software replacement for libmail, used on
3602 ## Debian systems and elsewhere. -rfr.
3605 if test $have_mail = yes || test $have_lockfile = yes; then
3606 test $ac_cv_header_maillock_h = yes && mail_lock=no
3611 mail_lock="none-needed" ;;
3615 case "$mail_lock" in
3616 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3618 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3622 *) BLESSMAIL_TARGET="need-blessmail" ;;
3624 AC_SUBST(BLESSMAIL_TARGET)
3627 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3628 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3629 getrusage get_current_dir_name \
3630 lrand48 random rint \
3631 select getpagesize setlocale newlocale \
3632 getrlimit setrlimit shutdown getaddrinfo \
3633 pthread_sigmask strsignal setitimer \
3634 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3636 getpwent endpwent getgrent endgrent \
3637 cfmakeraw cfsetspeed copysign __executable_start log2)
3640 dnl No need to check for aligned_alloc and posix_memalign if using
3641 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3642 dnl Don't use these functions on Darwin as they are incompatible with
3644 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3645 && test "$opsys" != darwin; then
3646 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3649 dnl Cannot use AC_CHECK_FUNCS
3650 AC_CACHE_CHECK([for __builtin_unwind_init],
3651 emacs_cv_func___builtin_unwind_init,
3652 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3653 emacs_cv_func___builtin_unwind_init=yes,
3654 emacs_cv_func___builtin_unwind_init=no)])
3655 if test $emacs_cv_func___builtin_unwind_init = yes; then
3656 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3657 [Define to 1 if you have the `__builtin_unwind_init' function.])
3660 AC_CHECK_HEADERS_ONCE(sys/un.h)
3665 AC_CHECK_FUNCS(grantpt)
3667 # PTY-related GNU extensions.
3668 AC_CHECK_FUNCS(getpt posix_openpt)
3670 # Check this now, so that we will NOT find the above functions in ncurses.
3671 # That is because we have not set up to link ncurses in lib-src.
3672 # It's better to believe a function is not available
3673 # than to expect to find it in ncurses.
3674 # Also we need tputs and friends to be able to build at all.
3675 AC_MSG_CHECKING([for library containing tputs])
3676 # Run a test program that contains a call to tputs, a call that is
3677 # never executed. This tests whether a pre-'main' dynamic linker
3678 # works with the library. It's too much trouble to actually call
3679 # tputs in the test program, due to portability hassles. When
3680 # cross-compiling, assume the test program will run if it links.
3681 AC_DEFUN([tputs_link_source], [
3683 [[extern void tputs (const char *, int, int (*)(int));
3684 int main (int argc, char **argv)
3687 tputs (argv[0], 0, 0);
3691 if test "${opsys}" = "mingw32"; then
3694 # Maybe curses should be tried earlier?
3695 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3696 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3698 if test -z "$tputs_library"; then
3702 LIBS_TERMCAP=-l$tputs_library
3704 LIBS="$LIBS_TERMCAP $LIBS"
3706 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3707 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3709 if test "X$msg" != Xno; then
3714 AC_MSG_RESULT([$msg])
3715 if test "X$msg" = Xno; then
3716 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3717 The following libraries were tried (in order):
3718 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3719 Please try installing whichever of these libraries is most appropriate
3720 for your system, together with its header files.
3721 For example, a libncurses-dev(el) or similar package.])
3724 ## Use termcap instead of terminfo?
3725 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3727 ## FIXME? In the cases below where we unconditionally set
3728 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3729 ## if that was found above to have tputs.
3730 ## Should we use the gnu* logic everywhere?
3732 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3733 ## The ncurses library has been moved out of the System framework in
3734 ## Mac OS X 10.2. So if configure detects it, set the command-line
3735 ## option to use it.
3736 darwin) LIBS_TERMCAP="-lncurses" ;;
3738 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3741 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3742 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3743 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3744 [[#if __FreeBSD_version < 400000
3747 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3749 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3751 if test $emacs_cv_freebsd_terminfo = yes; then
3752 LIBS_TERMCAP="-lncurses"
3755 LIBS_TERMCAP="-ltermcap"
3765 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3767 LIBS_TERMCAP="-ltermcap"
3771 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3773 ## hpux: Make sure we get select from libc rather than from libcurses
3774 ## because libcurses on HPUX 10.10 has a broken version of select.
3775 ## We used to use -lc -lcurses, but this may be cleaner.
3776 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3777 # set that way, now it uses the default). Isn't this a contradiction?
3778 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3782 TERMCAP_OBJ=tparam.o
3783 if test $TERMINFO = yes; then
3784 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3785 TERMCAP_OBJ=terminfo.o
3787 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3788 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3790 AC_SUBST(LIBS_TERMCAP)
3791 AC_SUBST(TERMCAP_OBJ)
3793 # GNU/Linux-specific timer functions.
3794 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3796 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3798 [[timerfd_create (CLOCK_REALTIME,
3799 TFD_CLOEXEC | TFD_NONBLOCK);
3800 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3801 [emacs_cv_have_timerfd=yes],
3802 [emacs_cv_have_timerfd=no])])
3803 if test "$emacs_cv_have_timerfd" = yes; then
3804 AC_DEFINE([HAVE_TIMERFD], 1,
3805 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3808 # Alternate stack for signal handlers.
3809 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3810 [emacs_cv_alternate_stack],
3812 [AC_LANG_PROGRAM([[#include <signal.h>
3815 struct sigaction sa;
3816 ss.ss_sp = malloc (SIGSTKSZ);
3817 ss.ss_size = SIGSTKSZ;
3818 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3819 sigaltstack (&ss, 0);
3820 sigaction (SIGSEGV, &sa, 0);]])],
3821 [emacs_cv_alternate_stack=yes],
3822 [emacs_cv_alternate_stack=no])])
3824 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3825 # On Darwin, res_init appears not to be useful: see bug#562 and
3826 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3829 if test $opsys != darwin; then
3831 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3832 #include <arpa/nameser.h>
3833 #include <resolv.h>]],
3834 [[return res_init();]])],
3835 have_res_init=yes, have_res_init=no)
3836 if test "$have_res_init" = no; then
3838 LIBS="$LIBS -lresolv"
3839 AC_MSG_CHECKING(for res_init with -lresolv)
3840 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3841 #include <arpa/nameser.h>
3842 #include <resolv.h>]],
3843 [[return res_init();]])],
3844 have_res_init=yes, have_res_init=no)
3845 AC_MSG_RESULT($have_res_init)
3846 if test "$have_res_init" = yes ; then
3852 if test "$have_res_init" = yes; then
3853 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3857 # Do we need the Hesiod library to provide the support routines?
3858 dnl FIXME? Should we be skipping this on Darwin too?
3860 if test "$with_hesiod" != no ; then
3861 # Don't set $LIBS here -- see comments above. FIXME which comments?
3862 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3863 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3864 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3865 if test "$resolv" = yes ; then
3870 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3871 hesiod=yes, :, $RESOLVLIB)])
3873 if test x"$hesiod" = xyes; then
3879 # Do we need libresolv (due to res_init or Hesiod)?
3880 if test "$resolv" = yes && test $opsys != darwin; then
3887 # These tell us which Kerberos-related libraries to use.
3894 if test "${with_kerberos}" != no; then
3896 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3897 if test $have_com_err = yes; then
3898 COM_ERRLIB=-lcom_err
3899 LIBS="$COM_ERRLIB $LIBS"
3901 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3902 if test $have_crypto = yes; then
3904 LIBS="$CRYPTOLIB $LIBS"
3906 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3907 if test $have_k5crypto = yes; then
3908 CRYPTOLIB=-lk5crypto
3909 LIBS="$CRYPTOLIB $LIBS"
3911 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3912 if test $have_krb5=yes; then
3914 LIBS="$KRB5LIB $LIBS"
3916 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3917 if test "${with_kerberos5}" = no; then
3918 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3919 if test $have_des425 = yes; then
3921 LIBS="$DESLIB $LIBS"
3923 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3924 if test $have_des = yes; then
3926 LIBS="$DESLIB $LIBS"
3929 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3930 if test $have_krb4 = yes; then
3932 LIBS="$KRB4LIB $LIBS"
3934 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3935 if test $have_krb = yes; then
3937 LIBS="$KRB4LIB $LIBS"
3942 if test "${with_kerberos5}" != no; then
3943 AC_CHECK_HEADERS(krb5.h,
3944 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3945 [#include <krb5.h>])])
3947 AC_CHECK_HEADERS(krb.h,,
3948 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3949 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3951 AC_CHECK_HEADERS(com_err.h)
3955 AC_SUBST(COM_ERRLIB)
3961 AC_CHECK_HEADERS(valgrind/valgrind.h)
3963 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3966 AC_CHECK_FUNC(socket, , ok_so_far=no)
3967 if test $ok_so_far = yes; then
3968 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3970 if test $ok_so_far = yes; then
3971 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3973 if test $ok_so_far = yes; then
3974 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3975 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3976 [Define to 1 if you have inet sockets.])
3981 AC_CHECK_FUNCS(snprintf)
3983 dnl Check for glib. This differs from other library checks in that
3984 dnl Emacs need not link to glib unless some other library is already
3985 dnl linking to glib. Although glib provides no facilities that Emacs
3986 dnl needs for its own purposes, when glib is present Emacs needs to
3987 dnl use primitives like g_main_context_query to avoid clashing with
3988 dnl glib at a low level.
3990 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3994 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3995 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3996 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3997 LIBS="$LIBS $GFILENOTIFY_LIBS"
3998 AC_MSG_CHECKING([whether GLib is linked in])
3999 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4002 [[g_print ("Hello world");]])],
4005 AC_MSG_RESULT([$links_glib])
4006 if test "${links_glib}" = "yes"; then
4007 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4008 if test "$HAVE_NS" = no;then
4016 dnl Adapted from Haible's version.
4017 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4018 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4019 [[char* cs = nl_langinfo(CODESET);]])],
4020 emacs_cv_langinfo_codeset=yes,
4021 emacs_cv_langinfo_codeset=no)
4023 if test $emacs_cv_langinfo_codeset = yes; then
4024 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4025 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4030 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4031 dnl how the tty code is related to POSIX and/or other versions of termios.
4032 dnl The following looks like a useful start.
4034 dnl AC_SYS_POSIX_TERMIOS
4035 dnl if test $ac_cv_sys_posix_termios = yes; then
4036 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4037 dnl and macros for terminal control.])
4038 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4041 dnl Turned on June 1996 supposing nobody will mind it.
4042 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4043 if test "${opsys}" != "mingw32"; then
4044 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4045 in the full name stands for the login id.])
4048 dnl Everybody supports this, except MS.
4049 dnl Seems like the kind of thing we should be testing for, though.
4050 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4051 if test "${opsys}" != "mingw32"; then
4052 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4055 dnl Everybody supports this, except MS-DOS.
4056 dnl Seems like the kind of thing we should be testing for, though.
4057 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4058 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4059 4.2-compatible sockets.])
4061 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4063 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4064 a null file, or a data sink.])
4065 if test "${opsys}" = "mingw32"; then
4066 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4068 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4071 if test "${opsys}" = "mingw32"; then
4076 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4077 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4078 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4079 dnl decides that a command-line argument to be passed to a MinGW program
4080 dnl is a PATH-style list of directories. But that heuristics plays it
4081 dnl safe, and only does the replacement when it is _absolutely_ sure it
4082 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4083 dnl which breaks in-tree builds. So we do this manually instead.
4084 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4085 dnl be computed as ':' in MSYS Bash.
4088 dnl Everybody supports this, except MS-DOS.
4089 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4091 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4094 AC_DEFINE(DIRECTORY_SEP, ['/'],
4095 [Character that separates directories in a file name.])
4097 if test "${opsys}" = "mingw32"; then
4098 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4099 [Returns true if character is a device separator.])
4101 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4102 [Returns true if character is a directory separator.])
4104 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4105 [Returns true if character is any form of separator.])
4107 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4108 [Returns true if character is a device separator.])
4110 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4111 [Returns true if character is a directory separator.])
4113 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4114 [Returns true if character is any form of separator.])
4117 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4121 dnl Unfortunately without libXmu we cannot support EditRes.
4122 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4123 AC_DEFINE(NO_EDITRES, 1)
4128 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4129 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4130 AC_DEFINE(NO_EDITRES, 1)
4136 irix6-5 | sol2* | unixware )
4137 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4138 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4139 dnl need the constant to dimension an array. So wire in the appropriate
4141 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4145 emacs_broken_SIGIO=no
4148 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4149 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4150 hpux* | irix6-5 | openbsd | sol2* | unixware )
4151 emacs_broken_SIGIO=yes
4155 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4156 dnl the way this system works, libc functions that return malloced
4157 dnl memory use the libc malloc implementation. Calling xfree or
4158 dnl xrealloc on the results of such functions results in a crash.
4160 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4161 dnl but that does not currently work on this system.
4163 dnl It is possible to completely override the malloc implementation on
4164 dnl AIX, but that involves putting the malloc functions in a shared
4165 dnl library and setting the MALLOCTYPE environment variable to point to
4166 dnl that shared library.
4168 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4169 dnl to avoid a crash just use the Emacs implementation for that function.
4171 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4172 dnl of this file, so that we do not check for get_current_dir_name
4173 dnl on AIX. But that might be fragile if something else ends
4174 dnl up testing for get_current_dir_name as a dependency.
4175 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4176 get_current_dir_name should not be used.])
4180 dnl Circumvent a bug in FreeBSD. In the following sequence of
4181 dnl writes/reads on a PTY, read(2) returns bogus data:
4183 dnl write(2) 1022 bytes
4184 dnl write(2) 954 bytes, get EAGAIN
4185 dnl read(2) 1024 bytes in process_read_output
4186 dnl read(2) 11 bytes in process_read_output
4188 dnl That is, read(2) returns more bytes than have ever been written
4189 dnl successfully. The 1033 bytes read are the 1022 bytes written
4190 dnl successfully after processing (for example with CRs added if the
4191 dnl terminal is set up that way which it is here). The same bytes will
4192 dnl be seen again in a later read(2), without the CRs.
4193 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4194 work around an issue when reading from a PTY.])
4200 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4201 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4206 darwin | dragonfly | freebsd | netbsd | openbsd )
4207 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4208 close a pty to make it a controlling terminal (it is already a
4209 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4213 dnl FIXME Surely we can test for this rather than hard-code it.
4215 netbsd | openbsd) sound_device="/dev/audio" ;;
4216 *) sound_device="/dev/dsp" ;;
4220 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4221 [Name of the default sound device.])
4224 dnl Emacs can read input using SIGIO and buffering characters itself,
4225 dnl or using CBREAK mode and making C-g cause SIGINT.
4226 dnl The choice is controlled by the variable interrupt_input.
4228 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4230 dnl Emacs uses the presence of the USABLE_SIGIO macro
4231 dnl to indicate whether or not signal-driven I/O is possible. It uses
4232 dnl INTERRUPT_INPUT to decide whether to use it by default.
4234 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4235 dnl CBREAK mode has two disadvantages
4236 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4237 dnl I hear that in system V this problem does not exist.
4238 dnl 2) Control-G causes output to be discarded.
4239 dnl I do not know whether this can be fixed in system V.
4241 dnl Another method of doing input is planned but not implemented.
4242 dnl It would have Emacs fork off a separate process
4243 dnl to read the input and send it to the true Emacs process
4246 darwin | gnu-linux | gnu-kfreebsd )
4247 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4252 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4253 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4254 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4255 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4256 dnl taking float or double parameters.
4258 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4259 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4260 file defines `NeedWidePrototypes' as `NO'.])
4265 dnl Used in process.c, this must be a loop, even if it only runs once.
4266 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4267 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4268 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4269 dnl trying suffixes 0-16.
4270 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4271 first PTY, if PTYs are supported.])
4272 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4273 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4274 end of a PTY, if non-standard.])
4275 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4276 end of a PTY, if non-standard.])
4280 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4281 dnl You allocate a pty by opening /dev/ptc to get the master side.
4282 dnl To get the name of the slave side, you just ttyname() the master side.
4283 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4284 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4288 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4289 dnl multi-line AC_DEFINEs are hard. :(
4290 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)])
4291 AC_DEFINE(PTY_NAME_SPRINTF, [])
4292 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4295 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4297 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4298 dnl Not used, because PTY_ITERATION is defined.
4299 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4300 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4301 dnl But we don't have to block SIGCHLD because it is blocked in the
4302 dnl implementation of grantpt.
4303 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4304 AC_DEFINE(PTY_NAME_SPRINTF, [])
4305 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4309 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4312 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4314 if test "x$ac_cv_func_grantpt" = xyes; then
4315 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4316 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4317 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4318 dnl to prevent sigchld_handler from intercepting the child's death.
4319 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); }])
4320 dnl if HAVE_POSIX_OPENPT
4321 if test "x$ac_cv_func_posix_openpt" = xyes; then
4322 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4323 AC_DEFINE(PTY_NAME_SPRINTF, [])
4325 elif test "x$ac_cv_func_getpt" = xyes; then
4326 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4327 AC_DEFINE(PTY_NAME_SPRINTF, [])
4329 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4332 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4337 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4338 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4339 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4343 dnl It looks like this cannot be right, because it is not a loop.
4344 dnl However, process.c actually does this:
4350 dnl which presumably makes it OK, since irix == sgi (?).
4351 dnl FIXME it seems like this special treatment is unnecessary?
4352 dnl Why can't irix use a single-trip loop like eg cygwin?
4353 AC_DEFINE(PTY_ITERATION, [])
4354 dnl Not used, because PTY_ITERATION is defined.
4355 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4356 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); }])
4357 dnl No need to get the pty name at all.
4358 AC_DEFINE(PTY_NAME_SPRINTF, [])
4359 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4360 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4364 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4365 dnl from intercepting that death. If any child but grantpt's should die
4366 dnl within, it should be caught after sigrelse(2).
4367 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); }])
4371 dnl Comments are as per sol2*.
4372 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); }])
4379 dnl This change means that we don't loop through allocate_pty too
4380 dnl many times in the (rare) event of a failure.
4381 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4382 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4383 dnl Push various streams modules onto a PTY channel. Used in process.c.
4384 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.])
4389 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4390 "typing" a signal character on the pty.])
4393 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4394 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4395 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4396 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4399 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4400 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4401 gnu-linux | gnu-kfreebsd )
4403 AC_MSG_CHECKING([for signals via characters])
4404 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4405 #include <linux/version.h>
4406 #if LINUX_VERSION_CODE < 0x20400
4407 # error "Linux version too old"
4409 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4411 AC_MSG_RESULT([$emacs_signals_via_chars])
4412 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4417 AH_TEMPLATE(TAB3, [Undocumented.])
4420 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4422 gnu | dragonfly | freebsd | netbsd | openbsd )
4423 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4424 AC_DEFINE(TAB3, OXTABS)
4427 gnu-linux | gnu-kfreebsd )
4428 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4432 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4433 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4434 [Mark a secondary stack, like the register stack on the ia64.]), [])
4438 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4439 run_time_remap; for HPUX.])
4444 dnl This won't be used automatically yet. We also need to know, at least,
4445 dnl that the stack is continuous.
4446 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4447 registers relevant for conservative garbage collection in the jmp_buf.])
4451 dnl Not all the architectures are tested, but there are Debian packages
4452 dnl for SCM and/or Guile on them, so the technique must work. See also
4453 dnl comments in alloc.c concerning setjmp and gcc.
4454 dnl Fixme: it's probably safe to just use the GCC conditional below.
4455 gnu-linux | gnu-kfreebsd )
4456 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4457 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4458 || defined __alpha__ || defined __mips__ || defined __s390__ \
4459 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4460 || defined __ia64__ || defined __sh__
4463 # error "setjmp not known to work on this arch"
4465 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4470 if test x$GCC = xyes; then
4471 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4472 AC_DEFINE(GC_SETJMP_WORKS, 1)
4475 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4476 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4477 AC_DEFINE(GC_SETJMP_WORKS, 1)
4482 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4483 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4486 [[#include <setjmp.h>
4488 # define _longjmp longjmp
4493 _longjmp (j, 1);]])],
4494 [emacs_cv_func__setjmp=yes],
4495 [emacs_cv_func__setjmp=no])])
4496 if test $emacs_cv_func__setjmp = yes; then
4497 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4500 # We need to preserve signal mask to handle C stack overflows.
4501 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4504 [[#include <setjmp.h>
4507 if (! sigsetjmp (j, 1))
4508 siglongjmp (j, 1);]])],
4509 [emacs_cv_func_sigsetjmp=yes],
4510 [emacs_cv_func_sigsetjmp=no])])
4511 if test $emacs_cv_func_sigsetjmp = yes; then
4512 AC_DEFINE([HAVE_SIGSETJMP], 1,
4513 [Define to 1 if sigsetjmp and siglongjmp work.])
4516 # We need all of these features to handle C stack overflows.
4517 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4518 "$ac_cv_func_getrlimit" = "yes" -a \
4519 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4520 "$emacs_cv_alternate_stack" = yes; then
4521 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4522 [Define to 1 if C stack overflow can be handled in some cases.])
4527 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4528 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4529 dnl and this is all we need.
4530 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4537 dnl Used in xfaces.c.
4538 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4539 some systems, where it requires time.h.])
4544 dnl Define symbols to identify the version of Unix this is.
4545 dnl Define all the symbols that apply correctly.
4546 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4547 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4548 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4549 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4554 dnl This symbol should be defined on AIX Version 3 ???????
4555 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4557 # error "_AIX not defined"
4559 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4563 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4567 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4568 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4569 dnl distinguish OS X from pure Darwin.
4570 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4573 gnu-linux | gnu-kfreebsd )
4575 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4580 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4585 AC_DEFINE(USG5_4, [])
4586 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4590 AC_DEFINE(DOS_NT, [])
4591 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4592 if test "x$ac_enable_checking" != "x" ; then
4593 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4599 AC_DEFINE(USG5_4, [])
4600 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4605 AC_DEFINE(USG5_4, [])
4609 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4612 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4613 emacs_cv_usable_FIONREAD=no
4617 emacs_cv_usable_FIONREAD=yes
4622 [AC_LANG_PROGRAM([[#include <sys/types.h>
4623 #include <sys/ioctl.h>
4625 # include <sys/filio.h>
4628 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4629 [emacs_cv_usable_FIONREAD=yes],
4630 [emacs_cv_usable_FIONREAD=no])
4633 if test $emacs_cv_usable_FIONREAD = yes; then
4634 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4636 if test $emacs_broken_SIGIO = no; then
4637 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4639 [AC_LANG_PROGRAM([[#include <fcntl.h>
4642 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4643 [emacs_cv_usable_SIGIO=yes],
4644 [emacs_cv_usable_SIGIO=no])],
4645 [emacs_cv_usable_SIGIO=yes],
4646 [emacs_cv_usable_SIGIO=no])
4647 if test $emacs_cv_usable_SIGIO = yes; then
4648 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4655 dnl It works to open the pty's tty in the parent (Emacs), then
4656 dnl close and reopen it in the child.
4657 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4658 works to open a pty's tty in the parent process, then close and
4659 reopen it in the child.])
4663 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4664 use VSUSP instead of VSWTCH.])
4668 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4673 # Set up the CFLAGS for real compilation, so we can substitute it.
4674 CFLAGS="$REAL_CFLAGS"
4675 CPPFLAGS="$REAL_CPPFLAGS"
4678 ## Hack to detect a buggy GCC version.
4679 if test "x$GCC" = xyes \
4680 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4681 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4682 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4683 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4686 version=$PACKAGE_VERSION
4688 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4689 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4690 [Short copyright string for this version of Emacs.])
4693 ### Specify what sort of things we'll be editing into Makefile and config.h.
4694 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4696 AC_SUBST(configuration)
4701 AC_SUBST(exec_prefix)
4704 AC_SUBST(sharedstatedir)
4705 AC_SUBST(libexecdir)
4709 AC_SUBST(standardlisppath)
4710 AC_SUBST(locallisppath)
4712 AC_SUBST(x_default_search_path)
4714 AC_SUBST(archlibdir)
4719 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4720 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4721 ## end of LIBX_BASE, but nothing ever set it.
4722 AC_SUBST(LD_SWITCH_X_SITE)
4723 AC_SUBST(C_SWITCH_X_SITE)
4724 AC_SUBST(GNUSTEP_CFLAGS)
4726 ## Used in lwlib/Makefile.in.
4727 AC_SUBST(X_TOOLKIT_TYPE)
4729 AC_SUBST(ns_appbindir)
4730 AC_SUBST(ns_appresdir)
4732 AC_SUBST(GNU_OBJC_CFLAGS)
4733 AC_SUBST(OTHER_FILES)
4735 if test -n "${term_header}"; then
4736 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4737 [Define to the header for the built-in window system.])
4740 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4741 [Define to the canonical Emacs configuration name.])
4742 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4743 [Define to the options passed to configure.])
4744 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4745 define this to include extra configuration information.])
4749 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4756 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4757 AC_DEFINE(HAVE_X_WINDOWS, 1,
4758 [Define to 1 if you want to use the X window system.])
4760 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4762 if test "$HAVE_XFT" = "yes"; then
4763 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4764 elif test "$HAVE_FREETYPE" = "yes"; then
4765 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4775 if test "${USE_X_TOOLKIT}" != "none" ; then
4777 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4778 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4779 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4780 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4781 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4785 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4786 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4790 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4791 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4792 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4796 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4797 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4800 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4803 AC_SUBST(WIDGET_OBJ)
4806 case "$USE_X_TOOLKIT" in
4807 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4808 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4809 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
4811 AC_SUBST(TOOLKIT_LIBW)
4813 if test "${opsys}" != "mingw32"; then
4814 if test "$USE_X_TOOLKIT" = "none"; then
4815 LIBXT_OTHER="\$(LIBXSM)"
4817 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4820 AC_SUBST(LIBXT_OTHER)
4822 if test "${HAVE_X11}" = "yes" ; then
4823 AC_DEFINE(HAVE_X11, 1,
4824 [Define to 1 if you want to use version 11 of X windows.])
4825 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4829 AC_SUBST(LIBX_OTHER)
4831 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4833 elif test "$USE_X_TOOLKIT" = none; then
4834 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4836 LIBXMENU='$(lwlibdir)/liblw.a'
4840 AC_CACHE_CHECK([for struct alignment],
4841 [emacs_cv_struct_alignment],
4843 [AC_LANG_PROGRAM([[#include <stddef.h>
4844 struct __attribute__ ((aligned (8))) s { char c; };
4845 struct t { char c; struct s s; };
4846 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4848 [emacs_cv_struct_alignment=yes],
4849 [emacs_cv_struct_alignment=no])])
4850 if test "$emacs_cv_struct_alignment" = yes; then
4851 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4852 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4853 structure to an N-byte boundary.])
4856 if test "${GNU_MALLOC}" = "yes" ; then
4857 AC_DEFINE(GNU_MALLOC, 1,
4858 [Define to 1 if you want to use the GNU memory allocator.])
4862 if test "${REL_ALLOC}" = "yes" ; then
4863 AC_DEFINE(REL_ALLOC, 1,
4864 [Define REL_ALLOC if you want to use the relocating allocator for
4867 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4869 AC_SUBST(RALLOC_OBJ)
4871 if test "$opsys" = "cygwin"; then
4872 CYGWIN_OBJ="sheap.o cygw32.o"
4873 ## Cygwin differs because of its unexec().
4875 POST_ALLOC_OBJ=lastfile.o
4876 elif test "$opsys" = "mingw32"; then
4879 POST_ALLOC_OBJ=lastfile.o
4882 PRE_ALLOC_OBJ=lastfile.o
4885 AC_SUBST(CYGWIN_OBJ)
4886 AC_SUBST(PRE_ALLOC_OBJ)
4887 AC_SUBST(POST_ALLOC_OBJ)
4889 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4890 dnl verbatim defined above. The tricky name is apropos, as this hack
4891 dnl makes Fortify go sour!
4892 AH_VERBATIM([FORTIFY_SOUR],
4893 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4894 The workaround disables some useful run-time checking, so it
4895 should be conditional to the platforms with the performance bug.
4896 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4897 #if defined __APPLE__ && defined __GNUC__
4898 # ifndef _DONT_USE_CTYPE_INLINE_
4899 # define _DONT_USE_CTYPE_INLINE_
4901 # ifndef _FORTIFY_SOURCE
4902 # define _FORTIFY_SOURCE 0
4907 # If user asks to omit features, disable optional features that gnulib
4908 # might otherwise enable.
4909 if test "$with_features" = no && test "$enable_acl" != yes; then
4913 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4914 # it temporarily reverts them to their pre-pkg-config values,
4915 # because gnulib needs to work with both src (which uses the
4916 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4917 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4918 # and it therefore needs to run in an environment where LIBS does not
4919 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4920 # for some package unrelated to lib-src.
4923 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4924 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4925 gl_ASSERT_NO_GNULIB_POSIXCHECK
4926 gl_ASSERT_NO_GNULIB_TESTS
4931 if test "${opsys}" = "mingw32"; then
4932 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4933 # Remove unneeded switches from the value of CC that goes to Makefiles
4934 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4938 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4940 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4943 ## The -headerpad option tells ld (see man page) to leave room at the
4944 ## end of the header for adding load commands. Needed for dumping.
4945 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4946 ## architecture (where they are 78 bytes each). The actual number of
4947 ## load commands added is not consistent but normally ranges from
4948 ## about 14 to about 34. Setting it high gets us plenty of slop and
4949 ## only costs about 1.5K of wasted binary space.
4950 headerpad_extra=1000
4951 if test "$HAVE_NS" = "yes"; then
4952 libs_nsgui="-framework AppKit"
4953 if test "$NS_IMPL_COCOA" = "yes"; then
4954 libs_nsgui="$libs_nsgui -framework IOKit"
4959 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4961 ## This is here because src/Makefile.in did some extra fiddling around
4962 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4963 ## LD_SWITCH_SYSTEM_TEMACS instead,
4964 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4965 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4968 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4969 ## find X at run-time.
4970 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4971 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4972 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4973 ## had different values in configure (in ac_link) and src/Makefile.in.
4974 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4975 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4978 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4979 case "$canonical" in
4980 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4981 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4985 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4987 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4990 if test x$ac_enable_profiling != x ; then
4992 *freebsd | gnu-linux) ;;
4993 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4997 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4999 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5001 ## Common for all window systems
5002 if test "$window_system" != "none"; then
5003 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5004 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5005 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5008 AC_SUBST(WINDOW_SYSTEM_OBJ)
5010 AH_TOP([/* GNU Emacs site configuration template file.
5012 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
5013 Free Software Foundation, Inc.
5015 This file is part of GNU Emacs.
5017 GNU Emacs is free software: you can redistribute it and/or modify
5018 it under the terms of the GNU General Public License as published by
5019 the Free Software Foundation, either version 3 of the License, or
5020 (at your option) any later version.
5022 GNU Emacs is distributed in the hope that it will be useful,
5023 but WITHOUT ANY WARRANTY; without even the implied warranty of
5024 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5025 GNU General Public License for more details.
5027 You should have received a copy of the GNU General Public License
5028 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5031 /* No code in Emacs #includes config.h twice, but some bits of code
5032 intended to work with other packages as well (like gmalloc.c)
5033 think they can include it as many times as they like. */
5034 #ifndef EMACS_CONFIG_H
5035 #define EMACS_CONFIG_H
5038 AH_BOTTOM([#include <conf_post.h>
5040 #endif /* EMACS_CONFIG_H */
5049 #### Report on what we decided to do.
5050 #### Report GTK as a toolkit, even if it doesn't use Xt.
5051 #### It makes printing result more understandable as using GTK sets
5052 #### toolkit_scroll_bars to yes by default.
5053 if test "${HAVE_GTK}" = "yes"; then
5054 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5057 if test $USE_ACL -ne 0; then
5058 ACL_SUMMARY="yes $LIB_ACL"
5064 Configured for \`${canonical}'.
5066 Where should the build process find the source code? ${srcdir}
5067 What compiler should emacs be built with? ${CC} ${CFLAGS}
5068 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5069 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5070 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5071 What window system should Emacs use? ${window_system}
5072 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5074 if test -n "${x_includes}"; then
5075 echo " Where do we find X Windows header files? ${x_includes}"
5077 echo " Where do we find X Windows header files? Standard dirs"
5079 if test -n "${x_libraries}"; then
5080 echo " Where do we find X Windows libraries? ${x_libraries}"
5082 echo " Where do we find X Windows libraries? Standard dirs"
5086 emacs_config_features=
5087 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5088 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5092 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5093 *) eval val=\${HAVE_$opt} ;;
5095 test x"$val" = xno && continue
5096 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5099 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5100 [Summary of some of the main features enabled by configure.])
5102 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5103 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5104 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5105 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5106 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5107 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5108 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5109 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5111 echo " Does Emacs support sound? ${HAVE_SOUND}"
5113 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5114 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5115 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5116 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5117 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5118 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5119 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5120 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5121 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5123 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5124 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5125 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5126 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5127 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5129 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5131 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
5132 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
5133 echo " Does xwidgets support gobject introspection? ${HAVE_GIR}"
5136 if test -n "${EMACSDATA}"; then
5137 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5139 if test -n "${EMACSDOC}"; then
5140 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5145 if test "$HAVE_NS" = "yes"; then
5147 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5148 The installed application will go to nextstep/Emacs.app and can be
5149 run or moved from there."
5150 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5151 echo "The application will be fully self-contained."
5153 echo "The lisp resources for the application will be installed under ${prefix}.
5154 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5155 to run if these resources are not installed."
5160 if test "${opsys}" = "cygwin"; then
5162 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5168 # Remove any trailing slashes in these variables.
5169 [test "${prefix}" != NONE &&
5170 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5171 test "${exec_prefix}" != NONE &&
5172 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5174 if test "$HAVE_NS" = "yes"; then
5175 if test "$NS_IMPL_GNUSTEP" = yes; then
5176 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5177 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5178 ns_check_file=Resources/Info-gnustep.plist
5180 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5181 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5182 ns_check_file=Contents/Info.plist
5184 AC_SUBST(ns_check_file)
5187 dnl config.status treats $srcdir specially, so I think this is ok...
5188 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5190 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5191 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5192 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5193 dnl (else you get "no `Makefile.am' found for any configure output").
5194 dnl This will work, but you get a config.status that is not quite right
5195 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5196 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5197 dnl it seems better to just live with the duplication.
5198 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5200 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5201 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5202 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5203 leim/Makefile nextstep/Makefile nt/Makefile])
5205 dnl test/ is not present in release tarfiles.
5206 opt_makefile=test/automated/Makefile
5208 if test -f "$srcdir/$opt_makefile.in"; then
5209 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5210 dnl Again, it's best not to use a variable. Though you can add
5211 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5212 AC_CONFIG_FILES([test/automated/Makefile])
5216 dnl The admin/ directory used to be excluded from tarfiles.
5217 if test -d $srcdir/admin; then
5218 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5219 AC_CONFIG_FILES([admin/unidata/Makefile])
5220 AC_CONFIG_FILES([admin/grammars/Makefile])
5224 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5226 AC_SUBST(SUBDIR_MAKEFILES_IN)
5228 dnl You might wonder (I did) why epaths.h is generated by running make,
5229 dnl rather than just letting configure generate it from epaths.in.
5230 dnl One reason is that the various paths are not fully expanded (see above);
5231 dnl eg gamedir=${prefix}/var/games/emacs.
5232 dnl Secondly, the GNU Coding standards require that one should be able
5233 dnl to run `make prefix=/some/where/else' and override the values set
5234 dnl by configure. This also explains the `move-if-change' test and
5235 dnl the use of force in the `epaths-force' rule in Makefile.in.
5236 AC_CONFIG_COMMANDS([src/epaths.h], [
5237 if test "${opsys}" = "mingw32"; then
5238 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5240 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5241 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5242 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5244 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5245 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5247 AC_CONFIG_COMMANDS([src/.gdbinit], [
5248 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5249 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5253 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5254 dnl See comments for etc-refcards-emacsver.tex.
5255 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5256 dnl it is not quite the same. But we are generating in $srcdir.
5257 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5258 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5259 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5262 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5263 dnl then a directory etc/refcards is created in the build directory,
5264 dnl which is probably harmless, but confusing (in out-of-tree builds).
5265 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5266 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5267 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5268 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5269 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5274 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])