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, 24.4.50, 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
134 dnl Fairly arbitrary, older versions might work too.
135 AM_INIT_AUTOMAKE(1.11)
137 dnl Canonicalize the configuration name.
140 configuration=${host_alias-${build_alias-$host}}
142 dnl We get MINGW64 with MSYS2.
145 . $srcdir/nt/mingw-cfg.site
149 # srcdir is an absolute path. In this case, force the format
150 # "/c/foo/bar", to simplify later conversions to native Windows
151 # format ("c:/foo/bar").
152 srcdir=`cd "${srcdir}" && pwd -W`
153 srcdir="/${srcdir:0:1}${srcdir:2}"
158 dnl Support for --program-prefix, --program-suffix and
159 dnl --program-transform-name options
162 dnl It is important that variables on the RHS not be expanded here,
163 dnl hence the single quotes. This is per the GNU coding standards, see
164 dnl (autoconf) Installation Directory Variables
165 dnl See also epaths.h below.
166 lispdir='${datadir}/emacs/${version}/lisp'
167 standardlisppath='${lispdir}'
168 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
169 '${datadir}/emacs/site-lisp'
170 lisppath='${locallisppath}:${standardlisppath}'
171 etcdir='${datadir}/emacs/${version}/etc'
172 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
173 etcdocdir='${datadir}/emacs/${version}/etc'
174 gamedir='${localstatedir}/games/emacs'
176 dnl Special option to disable the most of other options.
178 [AS_HELP_STRING([--without-all],
179 [omit almost all features and build
180 small executable with minimal dependencies])],
181 [with_features=$withval],
184 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
185 dnl Create a new --with option that defaults to being disabled.
186 dnl NAME is the base name of the option. The shell variable with_NAME
187 dnl will be set to either the user's value (if the option is
188 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
189 dnl option is not specified). Note that the shell variable name is
190 dnl constructed as autoconf does, by replacing non-alphanumeric
191 dnl characters with "_".
192 dnl HELP-STRING is the help text for the option.
193 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
194 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
195 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
198 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
199 dnl Create a new --with option that defaults to $with_features.
200 dnl NAME is the base name of the option. The shell variable with_NAME
201 dnl will be set either to 'no' (for a plain --without-NAME) or to
202 dnl 'yes' (if the option is not specified). Note that the shell
203 dnl variable name is constructed as autoconf does, by replacing
204 dnl non-alphanumeric characters with "_".
205 dnl HELP-STRING is the help text for the option.
206 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
207 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
208 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
211 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
212 if test "$with_pop" = yes; then
213 AC_DEFINE(MAIL_USE_POP)
215 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
217 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
218 if test "$with_kerberos" != no; then
221 AH_TEMPLATE(KERBEROS,
222 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
224 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
225 if test "${with_kerberos5}" != no; then
226 if test "${with_kerberos}" = no; then
230 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
233 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
234 dnl FIXME hesiod support may not be present, so it seems like an error
235 dnl to define, or at least use, this unconditionally.
236 if test "$with_hesiod" != no; then
237 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
240 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
241 if test "$with_mmdf" != no; then
242 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
245 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
246 if test "$with_mail_unlink" != no; then
247 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
250 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
251 [string giving default POP mail host])],
252 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
254 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
255 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
256 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
257 [ case "${withval}" in
258 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
259 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
260 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
265 [with_sound=$with_features])
267 dnl FIXME currently it is not the last.
268 dnl This should be the last --with option, because --with-x is
269 dnl added later on when we find the file name of X, and it's best to
270 dnl keep them together visually.
271 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
272 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
273 [ case "${withval}" in
274 y | ye | yes ) val=gtk ;;
276 l | lu | luc | luci | lucid ) val=lucid ;;
277 a | at | ath | athe | athen | athena ) val=athena ;;
278 m | mo | mot | moti | motif ) val=motif ;;
279 g | gt | gtk ) val=gtk ;;
283 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
284 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
285 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
286 `athena' and `lucid' are synonyms.])
292 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
293 if test "$with_wide_int" = yes; then
294 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
297 dnl _ON results in a '--without' option in the --help output, so
298 dnl the help text should refer to "don't compile", etc.
299 with_xpm_set=${with_xpm+set}
300 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
301 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
302 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
303 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
304 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
305 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
306 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
307 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
309 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
310 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
311 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
313 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
314 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
315 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
316 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
317 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
319 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
320 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
321 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
322 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
323 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
324 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
325 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
327 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
328 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
329 [ case "${withval}" in
330 y | ye | yes ) val=yes ;;
332 g | gf | gfi | gfil | gfile ) val=gfile ;;
333 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
334 w | w3 | w32 ) val=w32 ;;
335 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
336 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
337 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
338 otherwise for the first of `gfile' or `inotify' that is usable.])
341 with_file_notification=$val
343 [with_file_notification=$with_features])
345 ## For the times when you want to build Emacs but don't have
346 ## a suitable makeinfo, and can live without the manuals.
347 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
348 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
350 ## This might be a 'configure' arg.
351 AC_SUBST([ACLOCAL_PATH])
353 ## Makefile.in needs the cache file name.
356 ## This is an option because I do not know if all info/man support
357 ## compressed files, nor how to test if they do so.
358 OPTION_DEFAULT_ON([compress-install],
359 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
360 make GZIP_PROG= install])
362 AC_ARG_WITH(gameuser,dnl
363 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
364 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
365 && gameuser="${with_gameuser}"
366 test "X$gameuser" = X && gameuser=games
368 AC_ARG_WITH([gnustep-conf],dnl
369 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
370 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
371 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
372 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
373 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
374 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
376 AC_ARG_ENABLE(ns-self-contained,
377 [AS_HELP_STRING([--disable-ns-self-contained],
378 [disable self contained build under NeXTstep])],
379 EN_NS_SELF_CONTAINED=$enableval,
380 EN_NS_SELF_CONTAINED=yes)
382 AC_ARG_ENABLE(locallisppath,
383 [AS_HELP_STRING([--enable-locallisppath=PATH],
384 [directories Emacs should search for lisp files specific
386 if test "${enableval}" = "no"; then
388 elif test "${enableval}" != "yes"; then
389 locallisppath=${enableval}
392 AC_ARG_ENABLE(checking,
393 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
394 [enable expensive run-time checks. With LIST,
395 enable only specific categories of checks.
396 Categories are: all,yes,no.
397 Flags are: stringbytes, stringoverrun, stringfreelist,
398 xmallocoverrun, conslist, glyphs])],
399 [ac_checking_flags="${enableval}"],[])
400 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
401 for check in $ac_checking_flags
404 # these set all the flags to specific states
405 yes) ac_enable_checking=1 ;;
406 no) ac_enable_checking= ;
407 ac_gc_check_stringbytes= ;
408 ac_gc_check_string_overrun= ;
409 ac_gc_check_string_free_list= ;
410 ac_xmalloc_overrun= ;
411 ac_gc_check_cons_list= ;
413 all) ac_enable_checking=1 ;
414 ac_gc_check_stringbytes=1 ;
415 ac_gc_check_string_overrun=1 ;
416 ac_gc_check_string_free_list=1 ;
417 ac_xmalloc_overrun=1 ;
418 ac_gc_check_cons_list=1 ;
420 # these enable particular checks
421 stringbytes) ac_gc_check_stringbytes=1 ;;
422 stringoverrun) ac_gc_check_string_overrun=1 ;;
423 stringfreelist) ac_gc_check_string_free_list=1 ;;
424 xmallocoverrun) ac_xmalloc_overrun=1 ;;
425 conslist) ac_gc_check_cons_list=1 ;;
426 glyphs) ac_glyphs_debug=1 ;;
427 *) AC_MSG_ERROR(unknown check category $check) ;;
432 if test x$ac_enable_checking != x ; then
433 AC_DEFINE(ENABLE_CHECKING, 1,
434 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
436 if test x$ac_gc_check_stringbytes != x ; then
437 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
438 [Define this temporarily to hunt a bug. If defined, the size of
439 strings is redundantly recorded in sdata structures so that it can
440 be compared to the sizes recorded in Lisp strings.])
442 if test x$ac_gc_check_string_overrun != x ; then
443 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
444 [Define this to check for short string overrun.])
446 if test x$ac_gc_check_string_free_list != x ; then
447 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
448 [Define this to check the string free list.])
450 if test x$ac_xmalloc_overrun != x ; then
451 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
452 [Define this to check for malloc buffer overrun.])
454 if test x$ac_gc_check_cons_list != x ; then
455 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
456 [Define this to check for errors in cons list.])
458 if test x$ac_glyphs_debug != x ; then
459 AC_DEFINE(GLYPH_DEBUG, 1,
460 [Define this to enable glyphs debugging code.])
463 AC_ARG_ENABLE(check-lisp-object-type,
464 [AS_HELP_STRING([--enable-check-lisp-object-type],
465 [enable compile time checks for the Lisp_Object data type.
466 This is useful for development for catching certain types of bugs.])],
467 if test "${enableval}" != "no"; then
468 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
469 [Define this to enable compile time checks for the Lisp_Object data type.])
473 dnl The name of this option is unfortunate. It predates, and has no
474 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
475 dnl Actually, it stops it working.
476 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
477 AC_ARG_ENABLE(profiling,
478 [AS_HELP_STRING([--enable-profiling],
479 [build emacs with low-level, gprof profiling support.
480 Mainly useful for debugging Emacs itself. May not work on
481 all platforms. Stops profiler.el working.])],
482 [ac_enable_profiling="${enableval}"],[])
483 if test x$ac_enable_profiling != x ; then
484 PROFILING_CFLAGS="-DPROFILING=1 -pg"
488 AC_SUBST(PROFILING_CFLAGS)
490 AC_ARG_ENABLE(autodepend,
491 [AS_HELP_STRING([--enable-autodepend],
492 [automatically generate dependencies to .h-files.
493 Requires gcc, enabled if found.])],
494 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
496 AC_ARG_ENABLE(gtk-deprecation-warnings,
497 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
498 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
499 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
501 dnl This used to use changequote, but, apart from `changequote is evil'
502 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
503 dnl the great gob of text. Thus it's not processed for possible expansion.
504 dnl Just make sure the brackets remain balanced.
506 dnl Since Emacs can't find matching pairs of quotes, boundaries are
507 dnl indicated by comments.
511 ### If you add support for a new configuration, add code to this
512 ### switch statement to recognize your configuration name and select
513 ### the appropriate opsys.
515 ### As far as handling version numbers on operating systems is
516 ### concerned, make sure things will fail in a fixable way. If
517 ### /etc/MACHINES doesn't say anything about version numbers, be
518 ### prepared to handle anything reasonably. If version numbers
519 ### matter, be sure /etc/MACHINES says something about it.
522 case "${canonical}" in
524 ## GNU/Linux and similar ports
539 ## FreeBSD kernel + glibc based userland
550 *-*-openbsd* | *-*-mirbsd* )
554 ## Apple Darwin / Mac OS X
556 case "${canonical}" in
563 ## Use fink packages if available.
564 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
565 ## if test -d /sw/include && test -d /sw/lib; then
566 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
567 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
576 ## HP 9000 series 700 and 800, running HP/UX
580 hppa*-hp-hpux1[1-9]* )
582 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
586 rs6000-ibm-aix4.[23]* )
589 powerpc-ibm-aix4.[23]* )
592 rs6000-ibm-aix[56]* )
595 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
599 ## Silicon Graphics machines
603 # Without defining _LANGUAGE_C, things get masked out in the headers
604 # so that, for instance, grepping for `free' in stdlib.h fails and
605 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
606 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
611 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
612 | x86_64-*-solaris2* | x86_64-*-sunos5*)
613 case "${canonical}" in
615 amd64-*-*|x86_64-*-*) ;;
619 case "${canonical}" in
620 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
622 emacs_check_sunpro_c=yes
624 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
625 ## Note that Emacs 23.1's NEWS said the following would be dropped.
626 *-sunos5.6* | *-solaris2.6* )
630 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
631 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
633 emacs_check_sunpro_c=yes
636 ## Watch out for a compiler that we know will not work.
637 case "${canonical}" in
638 *-solaris* | *-sunos5* )
639 if [ "x$CC" = x/usr/ucb/cc ]; then
640 ## /usr/ucb/cc doesn't work;
641 ## we should find some other compiler that does work.
649 ## Intel 386 machines where we don't care about the manufacturer.
651 case "${canonical}" in
652 *-darwin* ) opsys=darwin ;;
655 # MinGW overrides and adds some system headers in nt/inc.
656 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
658 *-sysv4.2uw* ) opsys=unixware ;;
659 *-sysv5uw* ) opsys=unixware ;;
660 *-sysv5OpenUNIX* ) opsys=unixware ;;
661 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
667 case "${canonical}" in
670 # MinGW overrides and adds some system headers in nt/inc.
671 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
673 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
682 ### If the code above didn't choose an operating system, just choose
683 ### an operating system based on the configuration name. You really
684 ### only want to use this when you have no idea what the right
685 ### operating system is; if you know what operating systems a machine
686 ### runs, it's cleaner to make it explicit in the case statement
688 if test x"${opsys}" = x; then
689 case "${canonical}" in
690 *-gnu* ) opsys=gnu ;;
700 if test $unported = yes; then
701 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
702 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
703 Check `etc/MACHINES' for recognized configuration names.])
707 #### Choose a compiler.
709 dnl Don't bother to test for C89.
710 AC_DEFUN([_AC_PROG_CC_C89], [$2])
712 dnl Sets GCC=yes if using gcc.
713 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
714 if test -n "$XCRUN"; then
715 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
716 test -n "$AR" && export AR
719 dnl Emacs needs C99 or later.
724 if test x$GCC = xyes; then
725 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
727 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
730 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
731 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
732 dnl that clash with MinGW.
733 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
735 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
736 AC_DEFUN([gl_CRYPTO_CHECK])
737 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
738 # as we don't use them.
739 AC_DEFUN([gl_FCNTL_O_FLAGS])
741 # Initialize gnulib right after choosing the compiler.
742 dnl Amongst other things, this sets AR and ARFLAGS.
745 if test "$ac_test_CFLAGS" != set; then
746 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
747 # if -g3 works and the user does not specify CFLAGS.
748 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
751 emacs_g3_CFLAGS='-g3';;
753 emacs_g3_CFLAGS='-g3 -O2';;
757 if test -n "$emacs_g3_CFLAGS"; then
758 emacs_save_CFLAGS=$CFLAGS
759 CFLAGS=$emacs_g3_CFLAGS
760 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
761 [emacs_cv_prog_cc_g3],
762 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
763 [emacs_cv_prog_cc_g3=yes],
764 [emacs_cv_prog_cc_g3=no])])
765 if test $emacs_cv_prog_cc_g3 != yes; then
766 CFLAGS=$emacs_save_CFLAGS
768 if test $opsys = mingw32; then
769 CFLAGS="$CFLAGS -gdwarf-2"
776 # No optimization flag was inferred for this non-GCC compiler.
777 # Try -O. This is needed for xlc on AIX; see Bug#14258.
778 emacs_save_CFLAGS=$CFLAGS
779 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
781 AC_CACHE_CHECK([whether $CC accepts -O],
782 [emacs_cv_prog_cc_o],
783 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
784 [emacs_cv_prog_cc_o=yes],
785 [emacs_cv_prog_cc_o=no])])
786 if test $emacs_cv_prog_cc_o != yes; then
787 CFLAGS=$emacs_save_CFLAGS
792 AC_ARG_ENABLE([gcc-warnings],
793 [AS_HELP_STRING([--enable-gcc-warnings],
794 [turn on lots of GCC warnings/errors. This is intended for
795 developers, and may generate false alarms when used
796 with older or non-GNU development tools.])],
799 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
801 gl_gcc_warnings=$enableval],
805 # clang is unduly picky about some things.
806 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
813 [emacs_cv_clang=yes],
814 [emacs_cv_clang=no])])
816 # When compiling with GCC, prefer -isystem to -I when including system
817 # include files, to avoid generating useless diagnostics for the files.
818 if test "$gl_gcc_warnings" != yes; then
820 if test "$emacs_cv_clang" = yes
822 # Turn off some warnings if supported.
823 gl_WARN_ADD([-Wno-switch])
824 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
825 gl_WARN_ADD([-Wno-pointer-sign])
830 # This, $nw, is the list of warnings we disable.
833 case $with_x_toolkit in
834 lucid | athena | motif)
835 # Old toolkits mishandle 'const'.
836 nw="$nw -Wwrite-strings"
839 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
842 AC_SUBST([WERROR_CFLAGS])
844 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
845 nw="$nw -Woverlength-strings" # Not a problem these days
846 nw="$nw -Wlogical-op" # any use of fwrite provokes this
847 nw="$nw -Wformat-nonliteral" # we do this a lot
848 nw="$nw -Wvla" # warnings in gettext.h
849 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
850 nw="$nw -Wswitch-default" # Too many warnings for now
851 nw="$nw -Winline" # OK to ignore 'inline'
852 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
853 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
854 # signed overflow has undefined behavior
855 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
856 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
857 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
859 # Emacs doesn't care about shadowing; see
860 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
863 # Emacs's use of alloca inhibits protecting the stack.
864 nw="$nw -Wstack-protector"
866 # The following line should be removable at some point.
867 nw="$nw -Wsuggest-attribute=pure"
869 # This part is merely for shortening the command line,
870 # since -Wno-FOO needs to be added below regardless.
871 nw="$nw -Wmissing-field-initializers"
873 nw="$nw -Wtype-limits"
874 nw="$nw -Wunused-parameter"
876 if test $emacs_cv_clang = yes; then
877 nw="$nw -Wcast-align"
880 gl_MANYWARN_ALL_GCC([ws])
881 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
885 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
886 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
887 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
888 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
889 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
890 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
891 gl_WARN_ADD([-Wno-format-nonliteral])
893 # In spite of excluding -Wlogical-op above, it is enabled, as of
894 # gcc 4.5.0 20090517.
895 gl_WARN_ADD([-Wno-logical-op])
897 # More things that clang is unduly picky about.
898 if test $emacs_cv_clang = yes; then
899 gl_WARN_ADD([-Wno-format-extra-args])
900 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
901 gl_WARN_ADD([-Wno-unused-command-line-argument])
902 gl_WARN_ADD([-Wno-unused-value])
905 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
906 AH_VERBATIM([FORTIFY_SOURCE],
907 [/* Enable compile-time and run-time bounds-checking, and some warnings,
908 without upsetting glibc 2.15+. */
909 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
910 # define _FORTIFY_SOURCE 2
913 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
915 # We use a slightly smaller set of warning options for lib/.
916 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
918 nw="$nw -Wunused-macros"
920 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
921 AC_SUBST([GNULIB_WARN_CFLAGS])
931 AC_ARG_ENABLE(link-time-optimization,
932 [AS_HELP_STRING([--enable-link-time-optimization],
933 [build emacs with link-time optimization.
934 This is supported for gcc since 4.5.0 and clang.
935 Note that clang support is experimental - see INSTALL])],
936 if test "${enableval}" != "no"; then
938 if test $emacs_cv_clang = yes; then
939 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
940 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
941 if test -x "$GOLD_PLUGIN"; then
944 elif test x$GCC = xyes; then
945 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
946 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
947 if test x$CPUS != x; then
953 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
955 if test -z "$LTO"; then
959 CFLAGS="$CFLAGS $LTO"
960 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
961 [ac_lto_supported=yes], [ac_lto_supported=no])
964 AC_MSG_RESULT([$ac_lto_supported])
965 if test "$ac_lto_supported" = "yes"; then
966 CFLAGS="$CFLAGS $LTO"
967 if test x$emacs_cv_clang = xyes; then
968 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
969 # WARNING: 'ar --plugin ...' doesn't work without
970 # command, so plugin name is appended to ARFLAGS.
971 ARFLAGS="cru --plugin $GOLD_PLUGIN"
972 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
977 dnl Some other nice autoconf tests.
978 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
981 dnl if test "x$RANLIB" = x; then
986 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
987 dnl can be made to directories. This is not relevant for our usage, and
988 dnl excludes some cases that work fine for us. Eg MS Windows or files
989 dnl hosted on AFS, both examples where simple links work, but links to
990 dnl directories fail. We use a cut-down version instead.
993 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
994 rm -f conf$$ conf$$.file
996 LN_S_FILEONLY='cp -p'
998 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
999 dnl random program in the current directory.
1000 if (echo >conf$$.file) 2>/dev/null; then
1001 if ln -s conf$$.file conf$$ 2>/dev/null; then
1002 if test "$opsys" = "mingw32"; then
1003 LN_S_FILEONLY='/bin/ln -s'
1005 LN_S_FILEONLY='ln -s'
1007 elif ln conf$$.file conf$$ 2>/dev/null; then
1008 if test "$opsys" = "mingw32"; then
1009 LN_S_FILEONLY=/bin/ln
1016 rm -f conf$$ conf$$.file
1018 if test "$LN_S_FILEONLY" = "ln -s"; then
1019 AC_MSG_RESULT([yes])
1021 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1024 AC_SUBST(LN_S_FILEONLY)
1027 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1028 dnl doesn't support links to directories, as in "ln file dir". But that
1029 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1030 dnl executables at "make install" time.
1031 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1032 dnl for more details.
1033 if test "$opsys" = "mingw32"; then
1037 dnl On some Debian versions, "install-info" prints irritating messages
1038 dnl "This is not dpkg install-info anymore, but GNU install-info"
1039 dnl if called via an absolute file name.
1040 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1041 dnl Sadly some people may have an old ginstall-info installed on
1042 dnl non-Debian systems, so we can't use this.
1043 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1044 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1046 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1047 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1048 dnl Don't use GZIP, which is used by gzip for additional parameters.
1049 AC_PATH_PROG(GZIP_PROG, gzip)
1051 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1052 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1054 if test $opsys = gnu-linux; then
1055 AC_PATH_PROG(PAXCTL, paxctl,,
1056 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1057 if test "X$PAXCTL" != X; then
1058 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1059 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1060 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1061 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1064 if test "${SETFATTR+set}" != set; then
1065 AC_CACHE_CHECK([for setfattr],
1066 [emacs_cv_prog_setfattr],
1068 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1069 emacs_cv_prog_setfattr=yes
1071 emacs_cv_prog_setfattr=no
1073 if test "$emacs_cv_prog_setfattr" = yes; then
1079 AC_SUBST([SETFATTR])
1083 ## Need makeinfo >= 4.7 (?) to build the manuals.
1084 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1085 dnl By this stage, configure has already checked for egrep and set EGREP,
1086 dnl or exited with an error if no egrep was found.
1087 if test "$MAKEINFO" != "no"; then
1089 $MAKEINFO --version 2> /dev/null |
1090 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1096 ## Makeinfo is unusual. For a released Emacs, the manuals are
1097 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1098 ## therefore in the category of "special tools" not normally required, which
1099 ## configure does not have to check for (eg autoconf itself).
1100 ## In a repository checkout on the other hand, the manuals are not included.
1101 ## So makeinfo is a requirement to build from the repository, and configure
1102 ## should test for it as it does for any other build requirement.
1103 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1104 ## with pre-built manuals, from a repository checkout.
1107 if test "$MAKEINFO" = "no"; then
1109 if test "x${with_makeinfo}" = "xno"; then
1111 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1112 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1113 source tree does not seem to have pre-built manuals in the `info' directory.
1114 Either install a suitable version of makeinfo, or re-run configure
1115 with the `--without-makeinfo' option to build without the manuals.] )
1118 AC_SUBST(HAVE_MAKEINFO)
1120 if test $opsys = mingw32; then
1121 DOCMISC_W32=efaq-w32
1125 AC_SUBST(DOCMISC_W32)
1127 dnl Add our options to ac_link now, after it is set up.
1129 if test x$GCC = xyes; then
1130 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1131 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1133 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1134 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1137 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1138 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1139 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1140 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1141 dnl if not built to support GNU ld.
1143 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1144 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1145 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1146 dnl Eg "make LDFLAGS=... all" could run into problems,
1147 dnl http://bugs.debian.org/684788
1148 dnl * unnecessary, since temacs is the only thing that actually needs it.
1149 dnl Indeed this is where it was originally, prior to:
1150 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1151 late_LDFLAGS="$LDFLAGS"
1152 if test x$GCC = xyes; then
1153 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1155 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1158 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1160 AC_MSG_CHECKING([for -znocombreloc])
1161 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1162 [AC_MSG_RESULT(yes)],
1163 LDFLAGS_NOCOMBRELOC=
1164 [AC_MSG_RESULT(no)])
1166 LDFLAGS="$late_LDFLAGS"
1168 AC_CACHE_CHECK([whether addresses are sanitized],
1169 [emacs_cv_sanitize_address],
1172 [[#ifndef __has_feature
1173 #define __has_feature(f) 0
1175 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1177 error "Addresses are not sanitized.";
1180 [emacs_cv_sanitize_address=yes],
1181 [emacs_cv_sanitize_address=no])])
1183 dnl The function dump-emacs will not be defined and temacs will do
1184 dnl (load "loadup") automatically unless told otherwise.
1185 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1187 your-opsys-here) CANNOT_DUMP=yes ;;
1190 if test "$CANNOT_DUMP" = "yes"; then
1191 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1192 elif test "$emacs_cv_sanitize_address" = yes; then
1193 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1196 AC_SUBST(CANNOT_DUMP)
1199 UNEXEC_OBJ=unexelf.o
1201 # MSDOS uses unexcoff.o
1203 UNEXEC_OBJ=unexaix.o
1209 UNEXEC_OBJ=unexmacosx.o
1212 UNEXEC_OBJ=unexhp9k800.o
1215 UNEXEC_OBJ=unexw32.o
1218 # Use the Solaris dldump() function, called from unexsol.c, to dump
1219 # emacs, instead of the generic ELF dump code found in unexelf.c.
1220 # The resulting binary has a complete symbol table, and is better
1221 # for debugging and other observability tools (debuggers, pstack, etc).
1223 # If you encounter a problem using dldump(), please consider sending
1224 # a message to the OpenSolaris tools-linking mailing list:
1225 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1227 # It is likely that dldump() works with older Solaris too, but this has
1228 # not been tested, so for now this change is for Solaris 10 or newer.
1229 UNEXEC_OBJ=unexsol.o
1236 ## Let `ld' find image libs and similar things in /usr/local/lib.
1237 ## The system compiler, GCC, has apparently been modified to not
1238 ## look there, contrary to what a stock GCC would do.
1239 ### It's not our place to do this. See bug#10313#17.
1240 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1245 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1246 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1250 ### It's not our place to do this. See bug#10313#17.
1251 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1256 ## Han Boetes <han@boetes.org> says this is necessary,
1257 ## otherwise Emacs dumps core on elf systems.
1258 LD_SWITCH_SYSTEM="-Z"
1261 AC_SUBST(LD_SWITCH_SYSTEM)
1263 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1265 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1266 ## which has not been defined yet. When this was handled with cpp,
1267 ## it was expanded to null when configure sourced the s/*.h file.
1268 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1269 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1270 ## (or somesuch), but because it is supposed to go at the _front_
1271 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1272 ## Compare with the gnu-linux case below, which added to the end
1273 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1274 ## LD_SWITCH_SYSTEM_TEMACS.
1277 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1284 AC_CHECK_DECL([__ELF__])
1285 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1286 ## With ELF, make sure that all common symbols get allocated to in the
1287 ## data section. Otherwise, the dump of temacs may miss variables in
1288 ## the shared library that have been initialized. For example, with
1289 ## GNU libc, __malloc_initialized would normally be resolved to the
1290 ## shared library's .bss section, which is fatal.
1291 if test "x$GCC" = "xyes"; then
1292 C_SWITCH_MACHINE="-fno-common"
1294 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1297 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1298 dnl albeit under the mistaken assumption that said file
1299 dnl was no longer used.
1300 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1304 AC_SUBST(C_SWITCH_MACHINE)
1306 AC_SUBST(UNEXEC_OBJ)
1309 ## Some programs in src produce warnings saying certain subprograms
1310 ## are too complex and need a MAXMEM value greater than 2000 for
1311 ## additional optimization. --nils@exp-math.uni-essen.de
1312 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1313 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1314 if test "$opsys" = "mingw32"; then
1315 case "$canonical" in
1316 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1317 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1320 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1321 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1322 AC_SUBST(C_SWITCH_SYSTEM)
1327 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1328 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1330 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1332 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1334 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1336 ## Motif needs -lgen.
1337 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1340 AC_SUBST(LIBS_SYSTEM)
1342 ### Make sure subsequent tests use flags consistent with the build flags.
1344 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1345 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1347 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1350 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1351 AC_DEFUN([AC_TYPE_SIZE_T])
1352 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1353 AC_DEFUN([AC_TYPE_UID_T])
1355 # sqrt and other floating-point functions such as fmod and frexp
1356 # are found in -lm on many systems.
1358 AC_SEARCH_LIBS([sqrt], [m])
1359 if test "X$LIBS" = "X$OLD_LIBS"; then
1362 LIB_MATH=$ac_cv_search_sqrt
1366 dnl Current possibilities handled by sed (aix4-2 -> aix,
1367 dnl gnu-linux -> gnu/linux, etc.):
1368 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1369 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1370 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1377 ## Adding -lm confuses the dynamic linker, so omit it.
1380 freebsd | dragonfly )
1381 SYSTEM_TYPE=berkeley-unix
1383 gnu-linux | gnu-kfreebsd )
1385 hpux10-20 | hpux11 )
1389 SYSTEM_TYPE=windows-nt
1391 dnl NB this may be adjusted below.
1393 SYSTEM_TYPE=berkeley-unix
1397 SYSTEM_TYPE=usg-unix-v
1403 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1404 [The type of system you are compiling for; sets `system-type'.])
1407 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1408 pre_PKG_CONFIG_LIBS=$LIBS
1410 PKG_PROG_PKG_CONFIG(0.9.0)
1412 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1413 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1414 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1415 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1416 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1417 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1419 AC_DEFUN([EMACS_CHECK_MODULES],
1420 [PKG_CHECK_MODULES([$1], [$2],
1421 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1422 m4_default([$3], [HAVE_$1=yes])],
1423 [m4_default([$4], [HAVE_$1=no])])])
1426 if test "${with_sound}" != "no"; then
1427 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1428 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1429 have_sound_header=yes, [], [
1431 #define WIN32_LEAN_AND_MEAN
1432 #include <windows.h>
1435 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1436 AC_MSG_ERROR([OSS sound support requested but not found.])
1438 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1439 # Emulation library used on NetBSD.
1440 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1441 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1442 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1443 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1444 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1448 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1450 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1451 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1452 if test $HAVE_ALSA = yes; then
1453 SAVE_CFLAGS="$CFLAGS"
1455 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1456 LIBS="$ALSA_LIBS $LIBS"
1457 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1458 emacs_alsa_normal=yes,
1459 emacs_alsa_normal=no)
1460 if test "$emacs_alsa_normal" != yes; then
1461 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1462 [[snd_lib_error_set_handler (0);]])],
1463 emacs_alsa_subdir=yes,
1464 emacs_alsa_subdir=no)
1465 if test "$emacs_alsa_subdir" != yes; then
1466 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1468 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1471 CFLAGS="$SAVE_CFLAGS"
1473 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1474 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1475 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1476 elif test "${with_sound}" = "alsa"; then
1477 AC_MSG_ERROR([ALSA sound support requested but not found.])
1479 fi dnl with_sound = alsa|yes
1481 dnl Define HAVE_SOUND if we have sound support. We know it works and
1482 dnl compiles only on the specified platforms. For others, it
1483 dnl probably doesn't make sense to try.
1484 dnl FIXME So surely we should bypass this whole section if not using
1485 dnl one of these platforms?
1486 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1488 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1489 dnl Adjust the --with-sound help text if you change this.
1490 gnu-linux|freebsd|netbsd|mingw32)
1491 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1497 AC_SUBST(CFLAGS_SOUND)
1500 dnl checks for header files
1501 AC_CHECK_HEADERS_ONCE(
1505 sys/utsname.h pwd.h utmp.h util.h)
1507 AC_MSG_CHECKING(if personality LINUX32 can be set)
1508 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1509 emacs_cv_personality_linux32=yes,
1510 emacs_cv_personality_linux32=no)
1511 AC_MSG_RESULT($emacs_cv_personality_linux32)
1513 if test $emacs_cv_personality_linux32 = yes; then
1514 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1515 [Define to 1 if personality LINUX32 can be set.])
1518 dnl On Solaris 8 there's a compilation warning for term.h because
1519 dnl it doesn't define `bool'.
1520 AC_CHECK_HEADERS(term.h, , , -)
1522 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1524 if test $ac_cv_have_decl_sys_siglist != yes; then
1525 # For Tru64, at least:
1526 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1531 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1532 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1533 #if HAVE_SYS_SOCKET_H
1534 #include <sys/socket.h>
1536 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1537 #if HAVE_SYS_SOCKET_H
1538 #include <sys/socket.h>
1540 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1541 #if HAVE_SYS_SOCKET_H
1542 #include <sys/socket.h>
1545 dnl checks for structure members
1546 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1547 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1548 struct ifreq.ifr_addr,
1549 struct ifreq.ifr_addr.sa_len], , ,
1550 [AC_INCLUDES_DEFAULT
1551 #if HAVE_SYS_SOCKET_H
1552 #include <sys/socket.h>
1558 dnl Check for endianness.
1559 dnl AC_C_BIGENDIAN is done by gnulib.
1561 dnl check for Make feature
1566 dnl check if we have GCC and autodepend is on.
1567 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1568 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1569 SAVE_CFLAGS="$CFLAGS"
1570 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1571 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1572 CFLAGS="$SAVE_CFLAGS"
1573 test -f deps.d || ac_enable_autodepend=no
1575 AC_MSG_RESULT([$ac_enable_autodepend])
1576 if test $ac_enable_autodepend = yes; then
1577 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1578 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1579 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1580 deps_frag=autodeps.mk
1583 deps_frag=$srcdir/src/$deps_frag
1586 AC_SUBST_FILE(deps_frag)
1589 lisp_frag=$srcdir/src/lisp.mk
1590 AC_SUBST_FILE(lisp_frag)
1593 dnl checks for operating system services
1594 AC_SYS_LONG_FILE_NAMES
1596 #### Choose a window system.
1598 ## We leave window_system equal to none if
1599 ## we end up building without one. Any new window system should
1600 ## set window_system to an appropriate value and add objects to
1601 ## window-system-specific substs.
1605 if test "$no_x" != yes; then
1609 LD_SWITCH_X_SITE_RPATH=
1610 if test "${x_libraries}" != NONE; then
1611 if test -n "${x_libraries}"; then
1612 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1613 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1615 x_default_search_path=""
1616 x_search_path=${x_libraries}
1617 if test -z "${x_search_path}"; then
1618 x_search_path=/usr/lib
1620 for x_library in `echo ${x_search_path}: | \
1621 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1623 ${x_library}/X11/%L/%T/%N%C%S:\
1624 ${x_library}/X11/%l/%T/%N%C%S:\
1625 ${x_library}/X11/%T/%N%C%S:\
1626 ${x_library}/X11/%L/%T/%N%S:\
1627 ${x_library}/X11/%l/%T/%N%S:\
1628 ${x_library}/X11/%T/%N%S"
1629 if test x"${x_default_search_path}" = x; then
1630 x_default_search_path=${x_search_path}
1632 x_default_search_path="${x_search_path}:${x_default_search_path}"
1636 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1638 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1639 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1642 if test x"${x_includes}" = x; then
1643 bitmapdir=/usr/include/X11/bitmaps
1645 # accumulate include directories that have X11 bitmap subdirectories
1647 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1648 if test -d "${bmd}/X11/bitmaps"; then
1649 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1651 if test -d "${bmd}/bitmaps"; then
1652 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1655 if test ${bmd_acc} != "dummyval"; then
1656 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1663 tmp_CPPFLAGS="$CPPFLAGS"
1664 tmp_CFLAGS="$CFLAGS"
1665 CPPFLAGS="$CPPFLAGS -x objective-c"
1666 CFLAGS="$CFLAGS -x objective-c"
1669 if test "${with_ns}" != no; then
1670 if test "${opsys}" = darwin; then
1672 ns_appdir=`pwd`/nextstep/Emacs.app
1673 ns_appbindir=${ns_appdir}/Contents/MacOS
1674 ns_appresdir=${ns_appdir}/Contents/Resources
1675 ns_appsrc=Cocoa/Emacs.base
1676 elif test -f $GNUSTEP_CONFIG_FILE; then
1678 ns_appdir=`pwd`/nextstep/Emacs.app
1679 ns_appbindir=${ns_appdir}
1680 ns_appresdir=${ns_appdir}/Resources
1681 ns_appsrc=GNUstep/Emacs.base
1682 dnl FIXME sourcing this several times in subshells seems inefficient.
1683 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1684 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1685 dnl I seemed to need these as well with GNUstep-startup 0.25.
1686 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1687 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1688 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1689 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1690 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1691 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1692 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1693 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1694 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1695 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1696 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1697 dnl If they had chosen to either define it or not, we could have
1698 dnl just used AC_CHECK_DECL here.
1699 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1700 emacs_cv_objc_exceptions,
1701 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1702 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1706 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1707 if test $emacs_cv_objc_exceptions = yes; then
1708 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1709 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1710 [Define if GNUstep uses ObjC exceptions.])
1711 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1715 dnl This is only used while we test the NS headers, it gets reset below.
1716 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1718 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1719 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1720 files are missing or cannot be compiled.])])
1723 if test "${NS_IMPL_COCOA}" = "yes"; then
1724 AC_MSG_CHECKING([for OSX 10.4 or newer])
1725 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1727 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1728 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1731 error "OSX 10.4 or newer required";
1735 ns_osx_have_104=yes,
1737 AC_MSG_RESULT([$ns_osx_have_104])
1739 if test $ns_osx_have_104 = no; then
1740 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1742 AC_MSG_CHECKING([for OSX 10.5 or newer])
1743 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1745 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1746 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1749 error "OSX 10.5 not found";
1753 ns_osx_have_105=yes,
1755 AC_MSG_RESULT([$ns_osx_have_105])
1756 if test $ns_osx_have_105 = yes; then
1757 macfont_file="macfont.o"
1760 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1762 ns_have_nsinteger=yes,
1763 ns_have_nsinteger=no)
1764 if test $ns_have_nsinteger = yes; then
1765 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1769 AC_SUBST(LIBS_GNUSTEP)
1771 INSTALL_ARCH_INDEP_EXTRA=install-etc
1772 ns_self_contained=no
1775 if test "${HAVE_NS}" = yes; then
1776 if test "$with_toolkit_scroll_bars" = "no"; then
1777 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1780 window_system=nextstep
1781 # set up packaging dirs
1782 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1783 ns_self_contained=yes
1784 prefix=${ns_appresdir}
1785 exec_prefix=${ns_appbindir}
1786 dnl This one isn't really used, only archlibdir is.
1787 libexecdir="\${ns_appbindir}/libexec"
1788 archlibdir="\${ns_appbindir}/libexec"
1789 etcdocdir="\${ns_appresdir}/etc"
1790 etcdir="\${ns_appresdir}/etc"
1791 dnl FIXME maybe set datarootdir instead.
1792 dnl That would also get applications, icons, man.
1793 infodir="\${ns_appresdir}/info"
1794 mandir="\${ns_appresdir}/man"
1795 lispdir="\${ns_appresdir}/lisp"
1796 INSTALL_ARCH_INDEP_EXTRA=
1799 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1801 CFLAGS="$tmp_CFLAGS"
1802 CPPFLAGS="$tmp_CPPFLAGS"
1803 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1804 AC_SUBST(ns_self_contained)
1806 AC_SUBST(NS_OBJC_OBJ)
1817 if test "${with_w32}" != no; then
1820 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1821 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1822 cannot be found.])])
1825 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1828 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1833 if test "${opsys}" = "mingw32"; then
1834 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1835 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1836 #include <windows.h>
1837 #include <usp10.h>]],
1838 [[PIMAGE_NT_HEADERS pHeader;
1839 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1840 [emacs_cv_w32api=yes
1843 AC_MSG_RESULT($emacs_cv_w32api)
1844 if test "${emacs_cv_w32api}" = "no"; then
1845 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1856 if test "${HAVE_W32}" = "yes"; then
1857 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1858 AC_CHECK_TOOL(WINDRES, [windres],
1859 [AC_MSG_ERROR([No resource compiler found.])])
1860 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1861 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1862 EMACSRES="emacs.res"
1863 case "$canonical" in
1864 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1865 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1867 if test "${opsys}" = "cygwin"; then
1868 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1869 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1870 # Tell the linker that emacs.res is an object (which we compile from
1871 # the rc file), not a linker script.
1872 W32_RES_LINK="-Wl,emacs.res"
1874 UPDATE_MANIFEST=update-game-score.exe.manifest
1875 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1876 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1877 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1878 W32_RES_LINK="\$(EMACSRES)"
1879 CLIENTRES="emacsclient.res"
1880 CLIENTW="emacsclientw\$(EXEEXT)"
1881 FIRSTFILE_OBJ=firstfile.o
1884 LIBS_ECLIENT="-lcomctl32"
1885 LIB_WSOCK32="-lwsock32"
1886 NTLIB="ntlib.$ac_objext"
1887 XARGS_LIMIT="-s 10000"
1893 AC_SUBST(EMACS_MANIFEST)
1894 AC_SUBST(UPDATE_MANIFEST)
1897 AC_SUBST(W32_RES_LINK)
1898 AC_SUBST(FIRSTFILE_OBJ)
1901 AC_SUBST(LIBS_ECLIENT)
1902 AC_SUBST(LIB_WSOCK32)
1904 AC_SUBST(XARGS_LIMIT)
1906 if test "${HAVE_W32}" = "yes"; then
1911 ## $window_system is now set to the window system we will
1914 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1915 # Too many warnings for now.
1917 nw="$nw -Wsuggest-attribute=const"
1918 nw="$nw -Wsuggest-attribute=noreturn"
1919 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1921 gl_WARN_ADD([-Wno-unused-variable])
1922 gl_WARN_ADD([-Wno-unused-but-set-variable])
1923 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1931 case "${window_system}" in
1936 case "${with_x_toolkit}" in
1937 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1938 motif ) USE_X_TOOLKIT=MOTIF ;;
1940 term_header=gtkutil.h
1941 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1942 dnl USE_X_TOOLKIT is set.
1943 USE_X_TOOLKIT=none ;;
1944 gtk2 ) with_gtk2=yes
1945 term_header=gtkutil.h
1946 USE_X_TOOLKIT=none ;;
1947 gtk3 ) with_gtk3=yes
1948 term_header=gtkutil.h
1949 USE_X_TOOLKIT=none ;;
1950 no ) USE_X_TOOLKIT=none ;;
1951 dnl If user did not say whether to use a toolkit, make this decision later:
1952 dnl use the toolkit if we have gtk, or X11R5 or newer.
1953 * ) USE_X_TOOLKIT=maybe ;;
1957 term_header=nsterm.h
1960 term_header=w32term.h
1964 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1965 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1966 if test "$HAVE_XSERVER" = true ||
1967 test -n "$DISPLAY" ||
1968 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1969 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1970 were found. You should install the relevant development files for X
1971 and for the toolkit you want, such as Gtk+ or Motif. Also make
1972 sure you have development files for image handling, i.e.
1973 tiff, gif, jpeg, png and xpm.
1974 If you are sure you want Emacs compiled without X window support, pass
1980 # Does the opsystem file prohibit the use of the GNU malloc?
1981 # Assume not, until told otherwise.
1985 [whether malloc is Doug Lea style],
1986 [emacs_cv_var_doug_lea_malloc],
1987 [emacs_cv_var_doug_lea_malloc=no
1988 dnl Hooks do not work with address sanitization.
1989 if test "$emacs_cv_sanitize_address" != yes; then
1992 [[#include <malloc.h>
1993 static void hook (void) {}]],
1994 [[malloc_set_state (malloc_get_state ());
1995 __after_morecore_hook = hook;
1996 __malloc_initialize_hook = hook;]])],
1997 [emacs_cv_var_doug_lea_malloc=yes])])
1999 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2001 system_malloc=$emacs_cv_sanitize_address
2003 ## darwin ld insists on the use of malloc routines in the System framework.
2004 darwin|mingw32|sol2-10) system_malloc=yes ;;
2008 if test "${system_malloc}" = "yes"; then
2009 AC_DEFINE([SYSTEM_MALLOC], 1,
2010 [Define to 1 to use the system memory allocator, even if it is not
2014 (The GNU allocators don't work with this system configuration.)"
2017 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2018 VMLIMIT_OBJ=vm-limit.o
2020 AC_CHECK_HEADERS([sys/vlimit.h])
2021 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2024 [[extern char data_start[]; char ch;]],
2025 [[return data_start < &ch;]])],
2026 [emacs_cv_data_start=yes],
2027 [emacs_cv_data_start=no])])
2028 if test $emacs_cv_data_start = yes; then
2029 AC_DEFINE([HAVE_DATA_START], 1,
2030 [Define to 1 if data_start is the address of the start
2031 of the main data segment.])
2034 AC_SUBST(GMALLOC_OBJ)
2035 AC_SUBST(VMLIMIT_OBJ)
2037 if test "$doug_lea_malloc" = "yes" ; then
2038 if test "$GNU_MALLOC" = yes ; then
2040 (Using Doug Lea's new malloc from the GNU C Library.)"
2042 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2043 [Define to 1 if the system memory allocator is Doug Lea style,
2044 with malloc hooks and malloc_set_state.])
2046 ## Use mmap directly for allocating larger buffers.
2047 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2048 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2049 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2051 mingw32|gnu*) REL_ALLOC=no ;;
2055 if test x"${REL_ALLOC}" = x; then
2056 REL_ALLOC=${GNU_MALLOC}
2059 use_mmap_for_buffers=no
2061 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2065 if test $use_mmap_for_buffers = yes; then
2066 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2070 LIBS="$LIBS_SYSTEM $LIBS"
2072 dnl FIXME replace main with a function we actually want from this library.
2073 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2075 dnl Check for the POSIX thread library.
2077 if test "$opsys" != "mingw32"; then
2078 AC_CHECK_HEADERS_ONCE(pthread.h)
2079 if test "$ac_cv_header_pthread_h"; then
2080 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2081 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2082 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2083 if test "$GMALLOC_OBJ" = gmalloc.o; then
2084 emacs_pthread_function=pthread_atfork
2086 emacs_pthread_function=pthread_kill
2089 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2090 [AC_DEFINE([HAVE_PTHREAD], [1],
2091 [Define to 1 if you have pthread (-lpthread).])
2092 # Some systems optimize for single-threaded programs by default, and
2093 # need special flags to disable these optimizations. For example, the
2094 # definition of 'errno' in <errno.h>.
2097 AC_DEFINE([_REENTRANT], 1,
2098 [Define to 1 if your system requires this in multithreaded code.]);;
2100 AC_DEFINE([_THREAD_SAFE], 1,
2101 [Define to 1 if your system requires this in multithreaded code.]);;
2103 if test "X$LIBS" != "X$OLD_LIBS"; then
2104 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2108 AC_SUBST([LIB_PTHREAD])
2111 dnl Check for need for bigtoc support on IBM AIX
2115 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2117 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2118 *) gdb_cv_bigtoc=-bbigtoc ;;
2121 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2122 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2127 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2128 # is for the tests that follow. We set them back later on.
2130 REAL_CFLAGS="$CFLAGS"
2131 REAL_CPPFLAGS="$CPPFLAGS"
2134 if test "${HAVE_X11}" = "yes"; then
2135 DEFS="$C_SWITCH_X_SITE $DEFS"
2136 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2138 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2139 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2141 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2142 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2143 # but it's more convenient here to set LD_RUN_PATH since this
2144 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2145 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2146 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2150 if test "${opsys}" = "gnu-linux"; then
2151 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2152 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2153 [[XOpenDisplay ("foo");]])],
2154 [xgnu_linux_first_failure=no],
2155 [xgnu_linux_first_failure=yes])
2156 if test "${xgnu_linux_first_failure}" = "yes"; then
2157 OLD_CPPFLAGS="$CPPFLAGS"
2159 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2160 LIBS="$LIBS -b i486-linuxaout"
2161 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2162 [[XOpenDisplay ("foo");]])],
2163 [xgnu_linux_second_failure=no],
2164 [xgnu_linux_second_failure=yes])
2165 if test "${xgnu_linux_second_failure}" = "yes"; then
2166 # If we get the same failure with -b, there is no use adding -b.
2167 # So leave it out. This plays safe.
2170 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2171 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2174 CPPFLAGS=$OLD_CPPFLAGS
2181 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2182 # header files included from there.
2183 AC_MSG_CHECKING(for Xkb)
2184 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2185 #include <X11/XKBlib.h>]],
2186 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2187 emacs_xkb=yes, emacs_xkb=no)
2188 AC_MSG_RESULT($emacs_xkb)
2189 if test $emacs_xkb = yes; then
2190 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2193 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2194 XScreenNumberOfScreen)
2197 if test "${window_system}" = "x11"; then
2198 AC_MSG_CHECKING(X11 version 6)
2199 AC_CACHE_VAL(emacs_cv_x11_version_6,
2200 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2201 [[#if XlibSpecificationRelease < 6
2204 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2205 if test $emacs_cv_x11_version_6 = yes; then
2206 AC_MSG_RESULT(6 or newer)
2207 AC_DEFINE(HAVE_X11R6, 1,
2208 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2209 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2210 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2214 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2215 [Define if you have usable X11R6-style XIM support.])
2219 AC_MSG_RESULT(before 6)
2224 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2226 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2227 if test "${with_rsvg}" != "no"; then
2228 RSVG_REQUIRED=2.11.0
2229 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2231 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2232 AC_SUBST(RSVG_CFLAGS)
2235 if test $HAVE_RSVG = yes; then
2236 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2237 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2238 # Windows loads librsvg dynamically
2239 if test "${opsys}" = "mingw32"; then
2247 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2248 if test "${with_imagemagick}" != "no"; then
2249 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2250 ## 6.8.2 makes Emacs crash; see Bug#13867.
2251 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2252 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2253 AC_SUBST(IMAGEMAGICK_CFLAGS)
2254 AC_SUBST(IMAGEMAGICK_LIBS)
2256 if test $HAVE_IMAGEMAGICK = yes; then
2257 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2260 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2261 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2262 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2272 gtk_term_header=$term_header
2275 if test "${opsys}" != "mingw32"; then
2276 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2279 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2281 dnl Checks for libraries.
2282 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2283 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2284 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2285 AC_MSG_ERROR($GTK_PKG_ERRORS)
2287 if test "$pkg_check_gtk" = "yes"; then
2288 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2289 GTK_OBJ=emacsgtkfixed.o
2290 gtk_term_header=gtkutil.h
2291 USE_GTK_TOOLKIT="GTK3"
2292 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2293 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2294 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2295 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2296 [Define to 1 to disable Glib deprecation warnings.])
2300 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2304 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2307 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2309 dnl Checks for libraries.
2310 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2311 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2312 if test "$pkg_check_gtk" = "no" &&
2313 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2315 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2317 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2324 if test x"$pkg_check_gtk" = xyes; then
2327 CFLAGS="$CFLAGS $GTK_CFLAGS"
2328 LIBS="$GTK_LIBS $LIBS"
2329 dnl Try to compile a simple GTK program.
2330 AC_MSG_CHECKING([whether GTK compiles])
2334 [[/* Check the Gtk and Glib APIs. */
2335 #include <gtk/gtk.h>
2336 #include <glib-object.h>
2338 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2342 GtkSettings *gs = 0;
2343 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2344 strict C prohibits this. Use gtk_main_iteration to test that the
2345 libraries are there. */
2346 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2347 0, 0, 0, G_CALLBACK (callback), 0))
2348 gtk_main_iteration ();
2351 AC_MSG_RESULT([$GTK_COMPILES])
2352 if test "${GTK_COMPILES}" != "yes"; then
2354 if test "$USE_X_TOOLKIT" != "maybe"; then
2355 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2358 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2360 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2361 GTK_OBJ="gtkutil.o $GTK_OBJ"
2362 term_header=$gtk_term_header
2364 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2367 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2368 closing open displays. This is no problem if you just use
2369 one display, but if you use more than one and close one of them
2379 if test "${HAVE_GTK}" = "yes"; then
2381 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2382 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2383 if test "$with_toolkit_scroll_bars" != no; then
2384 with_toolkit_scroll_bars=yes
2387 dnl Check if we have the old file selection dialog declared and
2388 dnl in the link library. In 2.x it may be in the library,
2389 dnl but not declared if deprecated featured has been selected out.
2390 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2391 HAVE_GTK_FILE_SELECTION=no
2392 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2393 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2394 #include <gtk/gtk.h>])
2395 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2396 AC_CHECK_FUNCS(gtk_file_selection_new)
2399 dnl Same as above for gtk_handle_box.
2400 HAVE_GTK_HANDLE_BOX=no
2401 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2402 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2403 #include <gtk/gtk.h>])
2404 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2405 AC_CHECK_FUNCS(gtk_handle_box_new)
2408 dnl Same as above for gtk_tearoff_menu_item.
2409 HAVE_GTK_TEAROFF_MENU_ITEM=no
2410 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2411 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2412 #include <gtk/gtk.h>])
2413 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2414 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2417 dnl Check for functions introduced in 2.14 and later.
2418 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2419 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2420 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2421 gtk_orientable_set_orientation \
2422 gtk_window_set_has_resize_grip)
2424 term_header=gtkutil.h
2430 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2431 dnl other platforms.
2434 if test "${with_dbus}" = "yes"; then
2435 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2436 if test "$HAVE_DBUS" = yes; then
2437 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2438 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2439 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2442 LIBS="$LIBS $DBUS_LIBS"
2443 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2444 dbus_type_is_valid \
2445 dbus_validate_bus_name \
2446 dbus_validate_path \
2447 dbus_validate_interface \
2448 dbus_validate_member)
2453 AC_SUBST(DBUS_CFLAGS)
2457 dnl GSettings has been tested under GNU/Linux only.
2459 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2460 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2461 if test "$HAVE_GSETTINGS" = "yes"; then
2463 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2465 LIBS="$LIBS $GSETTINGS_LIBS"
2466 AC_MSG_CHECKING([whether GSettings is in gio])
2469 [[/* Check that gsettings really is present. */
2470 #include <glib-object.h>
2471 #include <gio/gio.h>
2474 GSettings *settings;
2475 GVariant *val = g_settings_get_value (settings, "");
2477 [], HAVE_GSETTINGS=no)
2478 AC_MSG_RESULT([$HAVE_GSETTINGS])
2480 if test "$HAVE_GSETTINGS" = "yes"; then
2481 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2482 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2483 SETTINGS_LIBS="$GSETTINGS_LIBS"
2490 dnl GConf has been tested under GNU/Linux only.
2491 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2493 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2494 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2495 if test "$HAVE_GCONF" = yes; then
2496 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2497 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2498 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2499 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2503 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2504 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2505 if test "$HAVE_GOBJECT" = "yes"; then
2506 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2507 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2509 SAVE_CFLAGS="$CFLAGS"
2511 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2512 LIBS="$SETTINGS_LIBS $LIBS"
2513 CFLAGS="$SAVE_CFLAGS"
2516 AC_SUBST(SETTINGS_CFLAGS)
2517 AC_SUBST(SETTINGS_LIBS)
2520 dnl SELinux is available for GNU/Linux only.
2523 if test "${with_selinux}" = "yes"; then
2524 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2525 if test "$HAVE_LIBSELINUX" = yes; then
2526 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2527 LIBSELINUX_LIBS=-lselinux
2530 AC_SUBST(LIBSELINUX_LIBS)
2534 if test "${with_gnutls}" = "yes" ; then
2535 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
2536 [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
2537 if test "${HAVE_GNUTLS3}" = "yes"; then
2538 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2541 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2542 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2544 if test "${HAVE_GNUTLS}" = "yes"; then
2545 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2548 # Windows loads GnuTLS dynamically
2549 if test "${opsys}" = "mingw32"; then
2554 AC_SUBST(LIBGNUTLS_LIBS)
2555 AC_SUBST(LIBGNUTLS_CFLAGS)
2560 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2561 dnl a particular library. This doesn't make much sense?
2562 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2563 with_file_notification=no
2566 dnl MS Windows native file monitor is available for mingw32 only.
2567 case $with_file_notification,$opsys in
2568 w32,* | yes,mingw32)
2569 AC_CHECK_HEADER(windows.h)
2570 if test "$ac_cv_header_windows_h" = yes ; then
2571 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2572 NOTIFY_OBJ=w32notify.o
2573 NOTIFY_SUMMARY="yes (w32)"
2577 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2578 dnl has been added in glib 2.24. It has been tested under
2579 dnl GNU/Linux only. We take precedence over inotify, but this makes
2580 dnl only sense when glib has been compiled with inotify support. How
2582 case $with_file_notification,$NOTIFY_OBJ in
2584 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2585 if test "$HAVE_GFILENOTIFY" = "yes"; then
2586 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2587 NOTIFY_OBJ=gfilenotify.o
2588 NOTIFY_SUMMARY="yes -lgio (gfile)"
2592 dnl inotify is only available on GNU/Linux.
2593 case $with_file_notification,$NOTIFY_OBJ in
2595 AC_CHECK_HEADER(sys/inotify.h)
2596 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2597 AC_CHECK_FUNC(inotify_init1)
2598 if test "$ac_cv_func_inotify_init1" = yes; then
2599 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2600 NOTIFY_OBJ=inotify.o
2601 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2606 case $with_file_notification,$NOTIFY_OBJ in
2607 yes,* | no,* | *,?*) ;;
2608 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2611 if test -n "$NOTIFY_OBJ"; then
2612 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2614 AC_SUBST(NOTIFY_OBJ)
2615 AC_SUBST(GFILENOTIFY_CFLAGS)
2616 AC_SUBST(GFILENOTIFY_LIBS)
2618 dnl Do not put whitespace before the #include statements below.
2619 dnl Older compilers (eg sunos4 cc) choke on it.
2622 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2623 if test "$with_xaw3d" != no; then
2624 AC_CACHE_VAL(emacs_cv_xaw3d,
2625 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2626 #include <X11/Intrinsic.h>
2627 #include <X11/Xaw3d/Simple.h>]],
2629 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2630 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2631 emacs_cv_xaw3d=no)])
2635 if test $emacs_cv_xaw3d = yes; then
2636 AC_MSG_CHECKING(for xaw3d)
2637 AC_MSG_RESULT([yes; using Lucid toolkit])
2641 AC_DEFINE(HAVE_XAW3D, 1,
2642 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2644 AC_MSG_CHECKING(for xaw3d)
2646 AC_MSG_CHECKING(for libXaw)
2647 AC_CACHE_VAL(emacs_cv_xaw,
2648 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2649 #include <X11/Intrinsic.h>
2650 #include <X11/Xaw/Simple.h>]],
2654 if test $emacs_cv_xaw = yes; then
2655 AC_MSG_RESULT([yes; using Lucid toolkit])
2658 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2659 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2661 AC_MSG_ERROR([No X toolkit could be found.
2662 If you are sure you want Emacs compiled without an X toolkit, pass
2664 to configure. Otherwise, install the development libraries for the toolkit
2665 that you want to use (e.g. Gtk+) and re-run configure.])
2670 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2674 if test "${USE_X_TOOLKIT}" != "none"; then
2675 AC_MSG_CHECKING(X11 toolkit version)
2676 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2677 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2678 [[#if XtSpecificationRelease < 6
2681 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2682 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2683 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2684 AC_MSG_RESULT(6 or newer)
2685 AC_DEFINE(HAVE_X11XTR6, 1,
2686 [Define to 1 if you have the X11R6 or newer version of Xt.])
2687 LIBXTR6="-lSM -lICE"
2689 ## Use libw.a along with X11R6 Xt.
2690 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2693 AC_MSG_RESULT(before 6)
2696 dnl If using toolkit, check whether libXmu.a exists.
2697 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2699 if test x$HAVE_X11XTR6 = xyes; then
2700 OTHERLIBS='-lXt -lSM -lICE'
2704 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2705 if test "X$LIBS" != "X$OLDLIBS"; then
2706 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2709 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2715 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2716 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2717 if test -d /usr/include/openmotif; then
2718 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2719 emacs_cv_openmotif=yes
2720 case "$canonical" in
2721 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2722 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2725 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2728 emacs_cv_openmotif=no
2730 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2731 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2732 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2735 Motif version prior to 2.1.
2737 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2738 if test $emacs_cv_motif_version_2_1 = yes; then
2739 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2740 if test x$emacs_cv_openmotif = xyes; then
2741 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2744 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2745 # We put this in CFLAGS temporarily to precede other -I options
2746 # that might be in CFLAGS temporarily.
2747 # We put this in CPPFLAGS where it precedes the other -I options.
2748 OLD_CPPFLAGS=$CPPFLAGS
2750 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2751 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2752 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2754 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2755 if test $emacs_cv_lesstif = yes; then
2756 # Make sure this -I option remains in CPPFLAGS after it is set
2757 # back to REAL_CPPFLAGS.
2758 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2759 # have those other -I options anyway. Ultimately, having this
2760 # directory ultimately in CPPFLAGS will be enough.
2761 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2762 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2765 CPPFLAGS=$OLD_CPPFLAGS
2768 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2769 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2772 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2773 dnl using Motif or Xaw3d is available, and unless
2774 dnl --with-toolkit-scroll-bars=no was specified.
2776 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2777 [Define to 1 if we should use toolkit scroll bars.])dnl
2778 USE_TOOLKIT_SCROLL_BARS=no
2779 if test "${with_toolkit_scroll_bars}" != "no"; then
2780 if test "${USE_X_TOOLKIT}" != "none"; then
2781 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2782 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2784 USE_TOOLKIT_SCROLL_BARS=yes
2785 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2786 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2787 USE_TOOLKIT_SCROLL_BARS=yes
2789 elif test "${HAVE_GTK}" = "yes"; then
2790 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2791 USE_TOOLKIT_SCROLL_BARS=yes
2792 elif test "${HAVE_NS}" = "yes"; then
2793 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2794 USE_TOOLKIT_SCROLL_BARS=yes
2795 elif test "${HAVE_W32}" = "yes"; then
2796 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2797 USE_TOOLKIT_SCROLL_BARS=yes
2801 dnl See if XIM is available.
2802 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2803 #include <X11/Xlib.h>
2804 #include <X11/Xresource.h>]],
2805 [[XIMProc callback;]])],
2807 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2810 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2812 if test "${with_xim}" != "no"; then
2813 AC_DEFINE(USE_XIM, 1,
2814 [Define to 1 if we should use XIM, if it is available.])
2818 if test "${HAVE_XIM}" != "no"; then
2820 if test "$GCC" = yes; then
2821 CFLAGS="$CFLAGS --pedantic-errors"
2823 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2824 #include <X11/Xlib.h>
2825 #include <X11/Xresource.h>]],
2831 XPointer *client_data;
2833 /* If we're not using GCC, it's probably not XFree86, and this is
2834 probably right, but we can't use something like --pedantic-errors. */
2835 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2836 char*, XIMProc, XPointer*);
2838 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2840 [emacs_cv_arg6_star=yes])
2841 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2842 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2843 either XPointer or XPointer*.])dnl
2844 if test "$emacs_cv_arg6_star" = yes; then
2845 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2847 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2852 ### Start of font-backend (under any platform) section.
2853 # (nothing here yet -- this is a placeholder)
2854 ### End of font-backend (under any platform) section.
2856 ### Start of font-backend (under X11) section.
2857 if test "${HAVE_X11}" = "yes"; then
2858 ## Use -lXft if available, unless `--with-xft=no'.
2860 if test "x${with_x}" = "xno"; then
2864 if test "$with_xft" != no; then
2865 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2866 with_xft=$HAVE_FONTCONFIG
2869 if test "x${with_xft}" != "xno"; then
2871 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2872 ## Because xftfont.c uses XRenderQueryExtension, we also
2873 ## need to link to -lXrender.
2875 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2876 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2877 OLD_CPPFLAGS="$CPPFLAGS"
2878 OLD_CFLAGS="$CFLAGS"
2880 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2881 CFLAGS="$CFLAGS $XFT_CFLAGS"
2882 XFT_LIBS="-lXrender $XFT_LIBS"
2883 LIBS="$XFT_LIBS $LIBS"
2884 AC_CHECK_HEADER(X11/Xft/Xft.h,
2885 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2886 [[#include <X11/X.h>]])
2888 if test "${HAVE_XFT}" = "yes"; then
2889 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2891 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2892 fi # "${HAVE_XFT}" = "yes"
2893 CPPFLAGS=$OLD_CPPFLAGS
2896 fi # "$HAVE_XFT" != no
2897 fi # "x${with_xft}" != "xno"
2899 ## We used to allow building with FreeType and without Xft.
2900 ## However, the ftx font backend driver is not in good shape.
2901 if test "$HAVE_XFT" != "yes"; then
2902 dnl For the "Does Emacs use" message at the end.
2906 dnl Strict linkers fail with
2907 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2908 dnl if -lfreetype is not specified.
2909 dnl The following is needed to set FREETYPE_LIBS.
2910 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2912 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2916 if test "${HAVE_FREETYPE}" = "yes"; then
2917 AC_DEFINE(HAVE_FREETYPE, 1,
2918 [Define to 1 if using the freetype and fontconfig libraries.])
2919 if test "${with_libotf}" != "no"; then
2920 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2921 if test "$HAVE_LIBOTF" = "yes"; then
2922 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2923 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2924 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2925 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2926 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2927 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2928 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2932 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2933 dnl Does the new font backend require it, or can it work without it?
2937 if test "${HAVE_LIBOTF}" = yes; then
2938 if test "${with_m17n_flt}" != "no"; then
2939 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
2940 if test "$HAVE_M17N_FLT" = "yes"; then
2941 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2952 ### End of font-backend (under X11) section.
2954 AC_SUBST(FREETYPE_CFLAGS)
2955 AC_SUBST(FREETYPE_LIBS)
2956 AC_SUBST(FONTCONFIG_CFLAGS)
2957 AC_SUBST(FONTCONFIG_LIBS)
2958 AC_SUBST(LIBOTF_CFLAGS)
2959 AC_SUBST(LIBOTF_LIBS)
2960 AC_SUBST(M17N_FLT_CFLAGS)
2961 AC_SUBST(M17N_FLT_LIBS)
2963 ### Use -lXpm if available, unless `--with-xpm=no'.
2964 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2967 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2968 if test "${with_xpm}" != "no"; then
2969 SAVE_CPPFLAGS="$CPPFLAGS"
2970 SAVE_LDFLAGS="$LDFLAGS"
2971 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2972 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2973 AC_CHECK_HEADER(X11/xpm.h,
2974 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2975 if test "${HAVE_XPM}" = "yes"; then
2976 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2977 AC_EGREP_CPP(no_return_alloc_pixels,
2978 [#include "X11/xpm.h"
2979 #ifndef XpmReturnAllocPixels
2980 no_return_alloc_pixels
2982 ], HAVE_XPM=no, HAVE_XPM=yes)
2984 if test "${HAVE_XPM}" = "yes"; then
2985 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2989 CPPFLAGS="$SAVE_CPPFLAGS"
2990 LDFLAGS="$SAVE_LDFLAGS"
2995 if test "${HAVE_XPM}" = "yes"; then
2996 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3001 if test "${HAVE_X11}" = "yes"; then
3002 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3003 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3005 if test "${with_xpm}" != "no"; then
3006 AC_CHECK_HEADER(X11/xpm.h,
3007 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3008 if test "${HAVE_XPM}" = "yes"; then
3009 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3010 AC_EGREP_CPP(no_return_alloc_pixels,
3011 [#include "X11/xpm.h"
3012 #ifndef XpmReturnAllocPixels
3013 no_return_alloc_pixels
3015 ], HAVE_XPM=no, HAVE_XPM=yes)
3017 if test "${HAVE_XPM}" = "yes"; then
3025 if test "${HAVE_XPM}" = "yes"; then
3026 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3028 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3029 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3034 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3035 ### slightly different requirements wrt image libraries (it doesn't
3036 ### use -lXpm because it loads the xpm shared library dynamically at
3038 if test "${opsys}" = "mingw32"; then
3039 if test "${with_xpm}" != "no"; then
3040 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3044 if test "${HAVE_XPM}" = "yes"; then
3045 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3051 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3052 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3055 if test "${opsys}" = "mingw32"; then
3056 if test "${with_jpeg}" != "no"; then
3057 dnl Checking for jpeglib.h can lose because of a redefinition of
3059 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3061 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3062 if test "${HAVE_JPEG}" = "yes"; then
3063 AC_DEFINE(HAVE_JPEG)
3064 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3065 [#include <jpeglib.h>
3066 version=JPEG_LIB_VERSION
3068 [AC_DEFINE(HAVE_JPEG)],
3069 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3072 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3073 if test "${with_jpeg}" != "no"; then
3074 dnl Checking for jpeglib.h can lose because of a redefinition of
3076 AC_CHECK_HEADER(jerror.h,
3077 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3080 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3081 if test "${HAVE_JPEG}" = "yes"; then
3082 AC_DEFINE(HAVE_JPEG)
3083 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3084 [#include <jpeglib.h>
3085 version=JPEG_LIB_VERSION
3087 [AC_DEFINE(HAVE_JPEG)],
3088 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3091 if test "${HAVE_JPEG}" = "yes"; then
3099 if test "${with_zlib}" != "no"; then
3101 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3103 case $ac_cv_search_inflateEnd in
3104 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3107 if test "${HAVE_ZLIB}" = "yes"; then
3108 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3109 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3110 if test "${opsys}" = "mingw32"; then
3116 ### Use -lpng if available, unless `--with-png=no'.
3120 if test "${NS_IMPL_COCOA}" = yes; then
3122 elif test "${with_png}" != no; then
3123 # mingw32 loads the library dynamically.
3124 if test "$opsys" = mingw32; then
3125 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3126 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3127 AC_MSG_CHECKING([for png])
3128 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3129 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3130 # libpng-config does not work; configure by hand.
3131 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3132 # in /usr/include/libpng.
3133 if test -r /usr/include/libpng/png.h &&
3134 test ! -r /usr/include/png.h; then
3135 png_cflags=-I/usr/include/libpng
3143 CFLAGS="$CFLAGS $png_cflags"
3144 LIBS="$png_libs -lz -lm $LIBS"
3146 [AC_LANG_PROGRAM([[#include <png.h>]],
3147 [[return !png_get_channels (0, 0);]])],
3149 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3151 # $LIBPNG requires explicit -lz in some cases.
3152 # We don't know what those cases are, exactly, so play it safe and
3153 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3154 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3155 LIBPNG="$LIBPNG -lz"
3159 AC_MSG_RESULT([$HAVE_PNG])
3162 if test $HAVE_PNG = yes; then
3163 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3166 CFLAGS="$CFLAGS $PNG_CFLAGS"
3167 AC_CHECK_DECL([png_longjmp],
3169 [AC_DEFINE([PNG_DEPSTRUCT], [],
3170 [Define to empty to suppress deprecation warnings when building
3171 with --enable-gcc-warnings and with libpng versions before 1.5,
3172 which lack png_longjmp.])],
3178 AC_SUBST(PNG_CFLAGS)
3180 ### Use -ltiff if available, unless `--with-tiff=no'.
3181 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3184 if test "${opsys}" = "mingw32"; then
3185 if test "${with_tiff}" != "no"; then
3186 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3188 if test "${HAVE_TIFF}" = "yes"; then
3189 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3191 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3192 if test "${with_tiff}" != "no"; then
3193 AC_CHECK_HEADER(tiffio.h,
3195 # At least one tiff package requires the jpeg library.
3196 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3197 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3200 if test "${HAVE_TIFF}" = "yes"; then
3201 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3202 dnl FIXME -lz -lm, as per libpng?
3208 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3209 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3212 if test "${opsys}" = "mingw32"; then
3213 if test "${with_gif}" != "no"; then
3214 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3216 if test "${HAVE_GIF}" = "yes"; then
3217 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3219 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3220 || test "${HAVE_W32}" = "yes"; then
3221 AC_CHECK_HEADER(gif_lib.h,
3222 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3223 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3224 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3225 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3227 if test "$HAVE_GIF" = yes; then
3229 elif test "$HAVE_GIF" = maybe; then
3230 # If gif_lib.h but no libgif, try libungif.
3231 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3232 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3235 if test "${HAVE_GIF}" = "yes"; then
3236 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3241 dnl Check for required libraries.
3242 if test "${HAVE_X11}" = "yes"; then
3245 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3246 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3247 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3248 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3249 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3250 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3251 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3252 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3253 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3254 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3256 if test "X${MISSING}" != X; then
3257 AC_MSG_ERROR([The following required libraries were not found:
3259 Maybe some development libraries/packages are missing?
3260 If you don't want to link with them give
3262 as options to configure])
3266 ### Use -lgpm if available, unless `--with-gpm=no'.
3269 if test "${with_gpm}" != "no"; then
3270 AC_CHECK_HEADER(gpm.h,
3271 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3273 if test "${HAVE_GPM}" = "yes"; then
3274 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3280 dnl Check for malloc/malloc.h on darwin
3281 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3284 ### Use NeXTstep API to implement GUI.
3285 if test "${HAVE_NS}" = "yes"; then
3286 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3287 if test "${NS_IMPL_COCOA}" = "yes"; then
3288 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3290 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3291 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3292 # See also .m.o rule in Makefile.in */
3293 # FIXME: are all these flags really needed? Document here why. */
3294 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3295 ## Extra CFLAGS applied to src/*.m files.
3296 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3301 ### Use session management (-lSM -lICE) if available
3304 if test "${HAVE_X11}" = "yes"; then
3305 AC_CHECK_HEADER(X11/SM/SMlib.h,
3306 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3308 if test "${HAVE_X_SM}" = "yes"; then
3309 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3315 ### Use XRandr (-lXrandr) if available
3317 if test "${HAVE_X11}" = "yes"; then
3318 XRANDR_REQUIRED=1.2.2
3319 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3320 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3321 if test $HAVE_XRANDR = no; then
3322 # Test old way in case pkg-config doesn't have it (older machines).
3323 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3324 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3325 if test $HAVE_XRANDR = yes; then
3326 XRANDR_LIBS=-lXrandr
3329 if test $HAVE_XRANDR = yes; then
3330 SAVE_CFLAGS="$CFLAGS"
3332 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3333 LIBS="$XRANDR_LIBS $LIBS"
3334 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3335 CFLAGS="$SAVE_CFLAGS"
3338 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3341 AC_SUBST(XRANDR_CFLAGS)
3342 AC_SUBST(XRANDR_LIBS)
3344 ### Use Xinerama (-lXinerama) if available
3346 if test "${HAVE_X11}" = "yes"; then
3347 XINERAMA_REQUIRED=1.0.2
3348 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3349 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3350 if test $HAVE_XINERAMA = no; then
3351 # Test old way in case pkg-config doesn't have it (older machines).
3352 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3353 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3354 if test $HAVE_XINERAMA = yes; then
3355 XINERAMA_LIBS=-lXinerama
3358 if test $HAVE_XINERAMA = yes; then
3359 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3362 AC_SUBST(XINERAMA_CFLAGS)
3363 AC_SUBST(XINERAMA_LIBS)
3365 ### Use Xfixes (-lXfixes) if available
3367 if test "${HAVE_X11}" = "yes"; then
3368 XFIXES_REQUIRED=4.0.0
3369 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3370 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3371 if test $HAVE_XFIXES = no; then
3372 # Test old way in case pkg-config doesn't have it (older machines).
3373 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3374 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3375 if test $HAVE_XFIXES = yes; then
3376 XFIXES_LIBS=-lXfixes
3379 if test $HAVE_XFIXES = yes; then
3380 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3383 AC_SUBST(XFIXES_CFLAGS)
3384 AC_SUBST(XFIXES_LIBS)
3386 ### Use libxml (-lxml2) if available
3387 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3389 if test "${with_xml2}" != "no"; then
3390 ### I'm not sure what the version number should be, so I just guessed.
3391 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3392 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3393 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3394 SAVE_CPPFLAGS="$CPPFLAGS"
3395 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3396 AC_CHECK_HEADER(libxml/HTMLparser.h,
3397 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3398 [#include <libxml/HTMLparser.h>])])
3399 CPPFLAGS="$SAVE_CPPFLAGS"
3400 if test "${HAVE_LIBXML2}" = "yes"; then
3401 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3402 LIBXML2_LIBS="-lxml2"
3405 if test "${HAVE_LIBXML2}" = "yes"; then
3406 if test "${opsys}" != "mingw32"; then
3407 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3412 if test "${HAVE_LIBXML2}" = "yes"; then
3413 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3420 AC_SUBST(LIBXML2_LIBS)
3421 AC_SUBST(LIBXML2_CFLAGS)
3423 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3424 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3425 if test "${opsys}" = "mingw32"; then
3426 emacs_cv_netdb_declares_h_errno=yes
3428 AC_CACHE_CHECK(whether netdb declares h_errno,
3429 emacs_cv_netdb_declares_h_errno,
3430 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3431 [[return h_errno;]])],
3432 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3433 if test $emacs_cv_netdb_declares_h_errno = yes; then
3434 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3437 # Check for mail-locking functions in a "mail" library. Probably this should
3438 # have the same check as for liblockfile below.
3439 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3440 if test $have_mail = yes; then
3442 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3445 LIBS="$LIBS_MAIL $LIBS"
3446 AC_CHECK_FUNCS(touchlock)
3451 dnl Debian, at least:
3452 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3453 if test $have_lockfile = yes; then
3454 LIBS_MAIL=-llockfile
3455 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3457 # If we have the shared liblockfile, assume we must use it for mail
3458 # locking (e.g. Debian). If we couldn't link against liblockfile
3459 # (no liblockfile.a installed), ensure that we don't need to.
3460 dnl This works for files generally, not just executables.
3461 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3462 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3463 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3464 if test $ac_cv_prog_liblockfile = yes; then
3465 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3466 This probably means that movemail could lose mail.
3467 There may be a `development' package to install containing liblockfile.])
3470 AC_CHECK_HEADERS_ONCE(maillock.h)
3473 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3474 ## interlock access to the mail spool. The alternative is a lock file named
3475 ## /usr/spool/mail/$USER.lock.
3478 aix4-2) mail_lock="lockf" ;;
3480 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3482 ## On GNU/Linux systems, both methods are used by various mail programs.
3483 ## I assume most people are using newer mailers that have heard of flock.
3484 ## Change this if you need to.
3485 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3486 ## configure gets the right answers, and that means *NOT* using flock.
3487 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3488 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3489 ## Debian maintainer hasn't provided a clean fix for Emacs.
3490 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3491 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3492 ## correct logic. -- fx
3493 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3494 ## liblockfile is a Free Software replacement for libmail, used on
3495 ## Debian systems and elsewhere. -rfr.
3498 if test $have_mail = yes || test $have_lockfile = yes; then
3499 test $ac_cv_header_maillock_h = yes && mail_lock=no
3504 mail_lock="none-needed" ;;
3508 case "$mail_lock" in
3509 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3511 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3515 *) BLESSMAIL_TARGET="need-blessmail" ;;
3517 AC_SUBST(BLESSMAIL_TARGET)
3520 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3521 AC_CHECK_FUNCS(accept4 gethostname \
3522 getrusage get_current_dir_name \
3523 lrand48 random rint \
3524 select getpagesize setlocale \
3525 getrlimit setrlimit shutdown getaddrinfo \
3526 pthread_sigmask strsignal setitimer \
3527 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3529 getpwent endpwent getgrent endgrent \
3530 cfmakeraw cfsetspeed copysign __executable_start log2)
3533 dnl No need to check for aligned_alloc and posix_memalign if using
3534 dnl gmalloc.o, as it supplies them. Don't use these functions on
3535 dnl Darwin as they are incompatible with unexmacosx.c.
3536 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3537 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3540 dnl Cannot use AC_CHECK_FUNCS
3541 AC_CACHE_CHECK([for __builtin_unwind_init],
3542 emacs_cv_func___builtin_unwind_init,
3543 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3544 emacs_cv_func___builtin_unwind_init=yes,
3545 emacs_cv_func___builtin_unwind_init=no)])
3546 if test $emacs_cv_func___builtin_unwind_init = yes; then
3547 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3548 [Define to 1 if you have the `__builtin_unwind_init' function.])
3551 AC_CHECK_HEADERS_ONCE(sys/un.h)
3556 AC_CHECK_FUNCS(grantpt)
3558 # PTY-related GNU extensions.
3559 AC_CHECK_FUNCS(getpt posix_openpt)
3561 # Check this now, so that we will NOT find the above functions in ncurses.
3562 # That is because we have not set up to link ncurses in lib-src.
3563 # It's better to believe a function is not available
3564 # than to expect to find it in ncurses.
3565 # Also we need tputs and friends to be able to build at all.
3566 AC_MSG_CHECKING([for library containing tputs])
3567 # Run a test program that contains a call to tputs, a call that is
3568 # never executed. This tests whether a pre-'main' dynamic linker
3569 # works with the library. It's too much trouble to actually call
3570 # tputs in the test program, due to portability hassles. When
3571 # cross-compiling, assume the test program will run if it links.
3572 AC_DEFUN([tputs_link_source], [
3574 [[extern void tputs (const char *, int, int (*)(int));
3575 int main (int argc, char **argv)
3578 tputs (argv[0], 0, 0);
3582 if test "${opsys}" = "mingw32"; then
3585 # Maybe curses should be tried earlier?
3586 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3587 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3589 if test -z "$tputs_library"; then
3593 LIBS_TERMCAP=-l$tputs_library
3595 LIBS="$LIBS_TERMCAP $LIBS"
3597 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3598 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3600 if test "X$msg" != Xno; then
3605 AC_MSG_RESULT([$msg])
3606 if test "X$msg" = Xno; then
3607 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3608 The following libraries were tried (in order):
3609 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3610 Please try installing whichever of these libraries is most appropriate
3611 for your system, together with its header files.
3612 For example, a libncurses-dev(el) or similar package.])
3615 ## Use termcap instead of terminfo?
3616 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3618 ## FIXME? In the cases below where we unconditionally set
3619 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3620 ## if that was found above to have tputs.
3621 ## Should we use the gnu* logic everywhere?
3623 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3624 ## The ncurses library has been moved out of the System framework in
3625 ## Mac OS X 10.2. So if configure detects it, set the command-line
3626 ## option to use it.
3627 darwin) LIBS_TERMCAP="-lncurses" ;;
3629 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3632 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3633 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3634 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3635 [[#if __FreeBSD_version < 400000
3638 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3640 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3642 if test $emacs_cv_freebsd_terminfo = yes; then
3643 LIBS_TERMCAP="-lncurses"
3646 LIBS_TERMCAP="-ltermcap"
3656 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3658 LIBS_TERMCAP="-ltermcap"
3662 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3664 ## hpux: Make sure we get select from libc rather than from libcurses
3665 ## because libcurses on HPUX 10.10 has a broken version of select.
3666 ## We used to use -lc -lcurses, but this may be cleaner.
3667 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3668 # set that way, now it uses the default). Isn't this a contradiction?
3669 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3673 TERMCAP_OBJ=tparam.o
3674 if test $TERMINFO = yes; then
3675 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3676 TERMCAP_OBJ=terminfo.o
3678 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3679 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3681 AC_SUBST(LIBS_TERMCAP)
3682 AC_SUBST(TERMCAP_OBJ)
3685 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3686 # On Darwin, res_init appears not to be useful: see bug#562 and
3687 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3690 if test $opsys != darwin; then
3692 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3693 #include <arpa/nameser.h>
3694 #include <resolv.h>]],
3695 [[return res_init();]])],
3696 have_res_init=yes, have_res_init=no)
3697 if test "$have_res_init" = no; then
3699 LIBS="$LIBS -lresolv"
3700 AC_MSG_CHECKING(for res_init with -lresolv)
3701 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3702 #include <arpa/nameser.h>
3703 #include <resolv.h>]],
3704 [[return res_init();]])],
3705 have_res_init=yes, have_res_init=no)
3706 AC_MSG_RESULT($have_res_init)
3707 if test "$have_res_init" = yes ; then
3713 if test "$have_res_init" = yes; then
3714 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3718 # Do we need the Hesiod library to provide the support routines?
3719 dnl FIXME? Should we be skipping this on Darwin too?
3721 if test "$with_hesiod" != no ; then
3722 # Don't set $LIBS here -- see comments above. FIXME which comments?
3723 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3724 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3725 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3726 if test "$resolv" = yes ; then
3731 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3732 hesiod=yes, :, $RESOLVLIB)])
3734 if test x"$hesiod" = xyes; then
3740 # Do we need libresolv (due to res_init or Hesiod)?
3741 if test "$resolv" = yes && test $opsys != darwin; then
3748 # These tell us which Kerberos-related libraries to use.
3755 if test "${with_kerberos}" != no; then
3757 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3758 if test $have_com_err = yes; then
3759 COM_ERRLIB=-lcom_err
3760 LIBS="$COM_ERRLIB $LIBS"
3762 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3763 if test $have_crypto = yes; then
3765 LIBS="$CRYPTOLIB $LIBS"
3767 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3768 if test $have_k5crypto = yes; then
3769 CRYPTOLIB=-lk5crypto
3770 LIBS="$CRYPTOLIB $LIBS"
3772 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3773 if test $have_krb5=yes; then
3775 LIBS="$KRB5LIB $LIBS"
3777 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3778 if test "${with_kerberos5}" = no; then
3779 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3780 if test $have_des425 = yes; then
3782 LIBS="$DESLIB $LIBS"
3784 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3785 if test $have_des = yes; then
3787 LIBS="$DESLIB $LIBS"
3790 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3791 if test $have_krb4 = yes; then
3793 LIBS="$KRB4LIB $LIBS"
3795 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3796 if test $have_krb = yes; then
3798 LIBS="$KRB4LIB $LIBS"
3803 if test "${with_kerberos5}" != no; then
3804 AC_CHECK_HEADERS(krb5.h,
3805 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3806 [#include <krb5.h>])])
3808 AC_CHECK_HEADERS(krb.h,,
3809 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3810 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3812 AC_CHECK_HEADERS(com_err.h)
3816 AC_SUBST(COM_ERRLIB)
3822 AC_CHECK_HEADERS(valgrind/valgrind.h)
3824 AC_CHECK_FUNCS_ONCE(tzset)
3825 AC_MSG_CHECKING(whether localtime caches TZ)
3826 AC_CACHE_VAL(emacs_cv_localtime_cache,
3827 [if test x$ac_cv_func_tzset = xyes; then
3828 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3829 char TZ_GMT0[] = "TZ=GMT0";
3830 char TZ_PST8[] = "TZ=PST8";
3833 time_t now = time ((time_t *) 0);
3834 int hour_GMT0, hour_unset;
3835 if (putenv (TZ_GMT0) != 0)
3837 hour_GMT0 = localtime (&now)->tm_hour;
3839 hour_unset = localtime (&now)->tm_hour;
3840 if (putenv (TZ_PST8) != 0)
3842 if (localtime (&now)->tm_hour == hour_GMT0)
3845 if (localtime (&now)->tm_hour != hour_unset)
3848 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3849 [# If we have tzset, assume the worst when cross-compiling.
3850 emacs_cv_localtime_cache=yes])
3852 # If we lack tzset, report that localtime does not cache TZ,
3853 # since we can't invalidate the cache if we don't have tzset.
3854 emacs_cv_localtime_cache=no
3856 AC_MSG_RESULT($emacs_cv_localtime_cache)
3857 if test $emacs_cv_localtime_cache = yes; then
3858 AC_DEFINE(LOCALTIME_CACHE, 1,
3859 [Define to 1 if localtime caches TZ.])
3863 AC_CHECK_FUNC(socket, , ok_so_far=no)
3864 if test $ok_so_far = yes; then
3865 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3867 if test $ok_so_far = yes; then
3868 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3870 if test $ok_so_far = yes; then
3871 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3872 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3873 [Define to 1 if you have inet sockets.])
3878 AC_CHECK_FUNCS(snprintf)
3880 dnl Check for glib. This differs from other library checks in that
3881 dnl Emacs need not link to glib unless some other library is already
3882 dnl linking to glib. Although glib provides no facilities that Emacs
3883 dnl needs for its own purposes, when glib is present Emacs needs to
3884 dnl use primitives like g_main_context_query to avoid clashing with
3885 dnl glib at a low level.
3887 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3891 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3892 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3893 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3894 LIBS="$LIBS $GFILENOTIFY_LIBS"
3895 AC_MSG_CHECKING([whether GLib is linked in])
3896 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3899 [[g_print ("Hello world");]])],
3902 AC_MSG_RESULT([$links_glib])
3903 if test "${links_glib}" = "yes"; then
3904 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3905 if test "$HAVE_NS" = no;then
3913 dnl Adapted from Haible's version.
3914 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3915 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3916 [[char* cs = nl_langinfo(CODESET);]])],
3917 emacs_cv_langinfo_codeset=yes,
3918 emacs_cv_langinfo_codeset=no)
3920 if test $emacs_cv_langinfo_codeset = yes; then
3921 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3922 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3927 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3928 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3929 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3930 if test "$emacs_cv_c_restrict_arr" = yes; then
3931 AC_DEFINE(__restrict_arr, __restrict,
3932 [Define to compiler's equivalent of C99 restrict keyword in array
3933 declarations. Define as empty for no equivalent.])
3936 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3937 dnl how the tty code is related to POSIX and/or other versions of termios.
3938 dnl The following looks like a useful start.
3940 dnl AC_SYS_POSIX_TERMIOS
3941 dnl if test $ac_cv_sys_posix_termios = yes; then
3942 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3943 dnl and macros for terminal control.])
3944 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3947 dnl Turned on June 1996 supposing nobody will mind it.
3948 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3949 if test "${opsys}" != "mingw32"; then
3950 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3951 in the full name stands for the login id.])
3954 dnl Everybody supports this, except MS.
3955 dnl Seems like the kind of thing we should be testing for, though.
3956 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3957 if test "${opsys}" != "mingw32"; then
3958 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3961 dnl Everybody supports this, except MS-DOS.
3962 dnl Seems like the kind of thing we should be testing for, though.
3963 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3964 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3965 4.2-compatible sockets.])
3967 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3969 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3970 a null file, or a data sink.])
3971 if test "${opsys}" = "mingw32"; then
3972 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3974 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3977 if test "${opsys}" = "mingw32"; then
3982 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3983 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3984 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3985 dnl decides that a command-line argument to be passed to a MinGW program
3986 dnl is a PATH-style list of directories. But that heuristics plays it
3987 dnl safe, and only does the replacement when it is _absolutely_ sure it
3988 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3989 dnl which breaks in-tree builds. So we do this manually instead.
3990 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3991 dnl be computed as ':' in MSYS Bash.
3994 dnl Everybody supports this, except MS-DOS.
3995 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3997 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4000 AC_DEFINE(DIRECTORY_SEP, ['/'],
4001 [Character that separates directories in a file name.])
4003 if test "${opsys}" = "mingw32"; then
4004 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4005 [Returns true if character is a device separator.])
4007 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4008 [Returns true if character is a directory separator.])
4010 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4011 [Returns true if character is any form of separator.])
4013 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4014 [Returns true if character is a device separator.])
4016 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4017 [Returns true if character is a directory separator.])
4019 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4020 [Returns true if character is any form of separator.])
4023 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4027 dnl Unfortunately without libXmu we cannot support EditRes.
4028 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4029 AC_DEFINE(NO_EDITRES, 1)
4034 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4035 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4036 AC_DEFINE(NO_EDITRES, 1)
4042 irix6-5 | sol2* | unixware )
4043 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4044 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4045 dnl need the constant to dimension an array. So wire in the appropriate
4047 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4051 emacs_broken_SIGIO=no
4054 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4055 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4056 hpux* | irix6-5 | openbsd | sol2* | unixware )
4057 emacs_broken_SIGIO=yes
4061 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4062 dnl the way this system works, libc functions that return malloced
4063 dnl memory use the libc malloc implementation. Calling xfree or
4064 dnl xrealloc on the results of such functions results in a crash.
4066 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4067 dnl but that does not currently work on this system.
4069 dnl It is possible to completely override the malloc implementation on
4070 dnl AIX, but that involves putting the malloc functions in a shared
4071 dnl library and setting the MALLOCTYPE environment variable to point to
4072 dnl that shared library.
4074 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4075 dnl to avoid a crash just use the Emacs implementation for that function.
4077 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4078 dnl of this file, so that we do not check for get_current_dir_name
4079 dnl on AIX. But that might be fragile if something else ends
4080 dnl up testing for get_current_dir_name as a dependency.
4081 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4082 get_current_dir_name should not be used.])
4086 dnl Circumvent a bug in FreeBSD. In the following sequence of
4087 dnl writes/reads on a PTY, read(2) returns bogus data:
4089 dnl write(2) 1022 bytes
4090 dnl write(2) 954 bytes, get EAGAIN
4091 dnl read(2) 1024 bytes in process_read_output
4092 dnl read(2) 11 bytes in process_read_output
4094 dnl That is, read(2) returns more bytes than have ever been written
4095 dnl successfully. The 1033 bytes read are the 1022 bytes written
4096 dnl successfully after processing (for example with CRs added if the
4097 dnl terminal is set up that way which it is here). The same bytes will
4098 dnl be seen again in a later read(2), without the CRs.
4099 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4100 work around an issue when reading from a PTY.])
4106 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4107 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4112 darwin | dragonfly | freebsd | netbsd | openbsd )
4113 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4114 close a pty to make it a controlling terminal (it is already a
4115 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4119 dnl FIXME Surely we can test for this rather than hard-code it.
4121 netbsd | openbsd) sound_device="/dev/audio" ;;
4122 *) sound_device="/dev/dsp" ;;
4126 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4127 [Name of the default sound device.])
4130 dnl Emacs can read input using SIGIO and buffering characters itself,
4131 dnl or using CBREAK mode and making C-g cause SIGINT.
4132 dnl The choice is controlled by the variable interrupt_input.
4134 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4136 dnl Emacs uses the presence of the USABLE_SIGIO macro
4137 dnl to indicate whether or not signal-driven I/O is possible. It uses
4138 dnl INTERRUPT_INPUT to decide whether to use it by default.
4140 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4141 dnl CBREAK mode has two disadvantages
4142 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4143 dnl I hear that in system V this problem does not exist.
4144 dnl 2) Control-G causes output to be discarded.
4145 dnl I do not know whether this can be fixed in system V.
4147 dnl Another method of doing input is planned but not implemented.
4148 dnl It would have Emacs fork off a separate process
4149 dnl to read the input and send it to the true Emacs process
4152 darwin | gnu-linux | gnu-kfreebsd )
4153 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4158 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4159 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4160 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4161 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4162 dnl taking float or double parameters.
4164 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4165 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4166 file defines `NeedWidePrototypes' as `NO'.])
4171 dnl Used in process.c, this must be a loop, even if it only runs once.
4172 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4173 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4174 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4175 dnl trying suffixes 0-16.
4176 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4177 first PTY, if PTYs are supported.])
4178 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4179 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4180 end of a PTY, if non-standard.])
4181 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4182 end of a PTY, if non-standard.])
4186 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4187 dnl You allocate a pty by opening /dev/ptc to get the master side.
4188 dnl To get the name of the slave side, you just ttyname() the master side.
4189 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4190 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4194 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4195 dnl multi-line AC_DEFINEs are hard. :(
4196 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)])
4197 AC_DEFINE(PTY_NAME_SPRINTF, [])
4198 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4201 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4203 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4204 dnl Not used, because PTY_ITERATION is defined.
4205 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4206 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4207 dnl But we don't have to block SIGCHLD because it is blocked in the
4208 dnl implementation of grantpt.
4209 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4210 AC_DEFINE(PTY_NAME_SPRINTF, [])
4211 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4215 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4218 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4220 if test "x$ac_cv_func_grantpt" = xyes; then
4221 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4222 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4223 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4224 dnl to prevent sigchld_handler from intercepting the child's death.
4225 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); }])
4226 dnl if HAVE_POSIX_OPENPT
4227 if test "x$ac_cv_func_posix_openpt" = xyes; then
4228 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4229 AC_DEFINE(PTY_NAME_SPRINTF, [])
4231 elif test "x$ac_cv_func_getpt" = xyes; then
4232 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4233 AC_DEFINE(PTY_NAME_SPRINTF, [])
4235 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4238 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4243 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4244 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4245 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4249 dnl It looks like this cannot be right, because it is not a loop.
4250 dnl However, process.c actually does this:
4256 dnl which presumably makes it OK, since irix == sgi (?).
4257 dnl FIXME it seems like this special treatment is unnecessary?
4258 dnl Why can't irix use a single-trip loop like eg cygwin?
4259 AC_DEFINE(PTY_ITERATION, [])
4260 dnl Not used, because PTY_ITERATION is defined.
4261 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4262 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); }])
4263 dnl No need to get the pty name at all.
4264 AC_DEFINE(PTY_NAME_SPRINTF, [])
4265 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4266 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4270 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4271 dnl from intercepting that death. If any child but grantpt's should die
4272 dnl within, it should be caught after sigrelse(2).
4273 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); }])
4277 dnl Comments are as per sol2*.
4278 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); }])
4285 dnl This change means that we don't loop through allocate_pty too
4286 dnl many times in the (rare) event of a failure.
4287 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4288 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4289 dnl Push various streams modules onto a PTY channel. Used in process.c.
4290 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.])
4295 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4296 "typing" a signal character on the pty.])
4299 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4300 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4301 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4302 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4305 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4306 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4307 gnu-linux | gnu-kfreebsd )
4309 AC_MSG_CHECKING([for signals via characters])
4310 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4311 #include <linux/version.h>
4312 #if LINUX_VERSION_CODE < 0x20400
4313 # error "Linux version too old"
4315 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4317 AC_MSG_RESULT([$emacs_signals_via_chars])
4318 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4323 AH_TEMPLATE(TAB3, [Undocumented.])
4326 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4328 gnu | dragonfly | freebsd | netbsd | openbsd )
4329 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4330 AC_DEFINE(TAB3, OXTABS)
4333 gnu-linux | gnu-kfreebsd )
4334 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4338 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4339 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4340 [Mark a secondary stack, like the register stack on the ia64.]), [])
4344 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4345 run_time_remap; for HPUX.])
4350 dnl This won't be used automatically yet. We also need to know, at least,
4351 dnl that the stack is continuous.
4352 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4353 registers relevant for conservative garbage collection in the jmp_buf.])
4357 dnl Not all the architectures are tested, but there are Debian packages
4358 dnl for SCM and/or Guile on them, so the technique must work. See also
4359 dnl comments in alloc.c concerning setjmp and gcc.
4360 dnl Fixme: it's probably safe to just use the GCC conditional below.
4361 gnu-linux | gnu-kfreebsd )
4362 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4363 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4364 || defined __alpha__ || defined __mips__ || defined __s390__ \
4365 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4366 || defined __ia64__ || defined __sh__
4369 # error "setjmp not known to work on this arch"
4371 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4376 if test x$GCC = xyes; then
4377 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4378 AC_DEFINE(GC_SETJMP_WORKS, 1)
4381 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4382 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4383 AC_DEFINE(GC_SETJMP_WORKS, 1)
4388 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4389 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4392 [[#include <setjmp.h>
4394 # define _longjmp longjmp
4399 _longjmp (j, 1);]])],
4400 [emacs_cv_func__setjmp=yes],
4401 [emacs_cv_func__setjmp=no])])
4402 if test $emacs_cv_func__setjmp = yes; then
4403 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4405 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4408 [[#include <setjmp.h>
4411 if (! sigsetjmp (j, 1))
4412 siglongjmp (j, 1);]])],
4413 [emacs_cv_func_sigsetjmp=yes],
4414 [emacs_cv_func_sigsetjmp=no])])
4415 if test $emacs_cv_func_sigsetjmp = yes; then
4416 AC_DEFINE([HAVE_SIGSETJMP], 1,
4417 [Define to 1 if sigsetjmp and siglongjmp work.
4418 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4424 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4425 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4426 dnl and this is all we need.
4427 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4434 dnl Used in xfaces.c.
4435 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4436 some systems, where it requires time.h.])
4441 dnl Define symbols to identify the version of Unix this is.
4442 dnl Define all the symbols that apply correctly.
4443 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4444 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4445 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4446 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4451 dnl This symbol should be defined on AIX Version 3 ???????
4452 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4454 # error "_AIX not defined"
4456 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4460 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4464 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4465 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4466 dnl distinguish OS X from pure Darwin.
4467 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4470 gnu-linux | gnu-kfreebsd )
4472 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4477 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4482 AC_DEFINE(USG5_4, [])
4483 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4487 AC_DEFINE(DOS_NT, [])
4488 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4489 if test "x$ac_enable_checking" != "x" ; then
4490 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4496 AC_DEFINE(USG5_4, [])
4497 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4502 AC_DEFINE(USG5_4, [])
4506 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4509 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4510 emacs_cv_usable_FIONREAD=no
4514 emacs_cv_usable_FIONREAD=yes
4519 [AC_LANG_PROGRAM([[#include <sys/types.h>
4520 #include <sys/ioctl.h>
4522 # include <sys/filio.h>
4525 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4526 [emacs_cv_usable_FIONREAD=yes],
4527 [emacs_cv_usable_FIONREAD=no])
4530 if test $emacs_cv_usable_FIONREAD = yes; then
4531 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4533 if test $emacs_broken_SIGIO = no; then
4534 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4536 [AC_LANG_PROGRAM([[#include <fcntl.h>
4539 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4540 [emacs_cv_usable_SIGIO=yes],
4541 [emacs_cv_usable_SIGIO=no])],
4542 [emacs_cv_usable_SIGIO=yes],
4543 [emacs_cv_usable_SIGIO=no])
4544 if test $emacs_cv_usable_SIGIO = yes; then
4545 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4552 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4553 dnl and on Cygwin prior to version 1.7.24 that becomes the
4554 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4555 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4556 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4557 dnl needed starting with cygwin-1.7.24, and it is no longer
4558 dnl effective starting with glib-2.36. */
4560 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4561 G_SLICE environment variable to "always-malloc" at startup.])
4565 dnl It works to open the pty's tty in the parent (Emacs), then
4566 dnl close and reopen it in the child.
4567 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4568 works to open a pty's tty in the parent process, then close and
4569 reopen it in the child.])
4573 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4574 use VSUSP instead of VSWTCH.])
4578 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4583 # Set up the CFLAGS for real compilation, so we can substitute it.
4584 CFLAGS="$REAL_CFLAGS"
4585 CPPFLAGS="$REAL_CPPFLAGS"
4588 ## Hack to detect a buggy GCC version.
4589 if test "x$GCC" = xyes \
4590 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4591 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4592 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4593 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4596 version=$PACKAGE_VERSION
4598 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4599 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4600 [Short copyright string for this version of Emacs.])
4603 ### Specify what sort of things we'll be editing into Makefile and config.h.
4604 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4606 AC_SUBST(configuration)
4611 AC_SUBST(exec_prefix)
4614 AC_SUBST(sharedstatedir)
4615 AC_SUBST(libexecdir)
4619 AC_SUBST(standardlisppath)
4620 AC_SUBST(locallisppath)
4622 AC_SUBST(x_default_search_path)
4624 AC_SUBST(archlibdir)
4629 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4630 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4631 ## end of LIBX_BASE, but nothing ever set it.
4632 AC_SUBST(LD_SWITCH_X_SITE)
4633 AC_SUBST(C_SWITCH_X_SITE)
4634 AC_SUBST(GNUSTEP_CFLAGS)
4636 ## Used in lwlib/Makefile.in.
4637 AC_SUBST(X_TOOLKIT_TYPE)
4639 AC_SUBST(ns_appbindir)
4640 AC_SUBST(ns_appresdir)
4642 AC_SUBST(GNU_OBJC_CFLAGS)
4643 AC_SUBST(OTHER_FILES)
4645 if test -n "${term_header}"; then
4646 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4647 [Define to the header for the built-in window system.])
4650 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4651 [Define to the canonical Emacs configuration name.])
4652 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4653 [Define to the options passed to configure.])
4654 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4655 define this to include extra configuration information.])
4659 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4666 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4667 AC_DEFINE(HAVE_X_WINDOWS, 1,
4668 [Define to 1 if you want to use the X window system.])
4670 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4672 if test "$HAVE_XFT" = "yes"; then
4673 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4674 elif test "$HAVE_FREETYPE" = "yes"; then
4675 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4685 if test "${USE_X_TOOLKIT}" != "none" ; then
4687 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4688 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4689 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4690 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4691 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4695 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4696 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4700 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4701 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4702 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4706 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4707 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4710 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4713 AC_SUBST(WIDGET_OBJ)
4716 case "$USE_X_TOOLKIT" in
4717 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4718 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4719 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4721 AC_SUBST(TOOLKIT_LIBW)
4723 if test "${opsys}" != "mingw32"; then
4724 if test "$USE_X_TOOLKIT" = "none"; then
4725 LIBXT_OTHER="\$(LIBXSM)"
4727 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4730 AC_SUBST(LIBXT_OTHER)
4732 if test "${HAVE_X11}" = "yes" ; then
4733 AC_DEFINE(HAVE_X11, 1,
4734 [Define to 1 if you want to use version 11 of X windows.])
4735 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4739 AC_SUBST(LIBX_OTHER)
4741 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4743 elif test "$USE_X_TOOLKIT" = none; then
4744 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4746 LIBXMENU='$(lwlibdir)/liblw.a'
4750 if test "${GNU_MALLOC}" = "yes" ; then
4751 AC_DEFINE(GNU_MALLOC, 1,
4752 [Define to 1 if you want to use the GNU memory allocator.])
4756 if test "${REL_ALLOC}" = "yes" ; then
4757 AC_DEFINE(REL_ALLOC, 1,
4758 [Define REL_ALLOC if you want to use the relocating allocator for
4761 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4763 AC_SUBST(RALLOC_OBJ)
4765 if test "$opsys" = "cygwin"; then
4766 CYGWIN_OBJ="sheap.o cygw32.o"
4767 ## Cygwin differs because of its unexec().
4769 POST_ALLOC_OBJ=lastfile.o
4770 elif test "$opsys" = "mingw32"; then
4773 POST_ALLOC_OBJ=lastfile.o
4776 PRE_ALLOC_OBJ=lastfile.o
4779 AC_SUBST(CYGWIN_OBJ)
4780 AC_SUBST(PRE_ALLOC_OBJ)
4781 AC_SUBST(POST_ALLOC_OBJ)
4783 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4784 dnl verbatim defined above. The tricky name is apropos, as this hack
4785 dnl makes Fortify go sour!
4786 AH_VERBATIM([FORTIFY_SOUR],
4787 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4788 The workaround disables some useful run-time checking, so it
4789 should be conditional to the platforms with the performance bug.
4790 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4791 #if defined __APPLE__ && defined __GNUC__
4792 # ifndef _DONT_USE_CTYPE_INLINE_
4793 # define _DONT_USE_CTYPE_INLINE_
4795 # ifndef _FORTIFY_SOURCE
4796 # define _FORTIFY_SOURCE 0
4801 # If user asks to omit features, disable optional features that gnulib
4802 # might otherwise enable.
4803 if test "$with_features" = no && test "$enable_acl" != yes; then
4807 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4808 # it temporarily reverts them to their pre-pkg-config values,
4809 # because gnulib needs to work with both src (which uses the
4810 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4811 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4812 # and it therefore needs to run in an environment where LIBS does not
4813 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4814 # for some package unrelated to lib-src.
4817 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4818 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4819 gl_ASSERT_NO_GNULIB_POSIXCHECK
4820 gl_ASSERT_NO_GNULIB_TESTS
4825 if test "${opsys}" = "mingw32"; then
4826 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4827 # Remove unneeded switches from the value of CC that goes to Makefiles
4828 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4832 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4835 ## The -headerpad option tells ld (see man page) to leave room at the
4836 ## end of the header for adding load commands. Needed for dumping.
4837 ## 0x690 is the total size of 30 segment load commands (at 56
4838 ## each); under Cocoa 31 commands are required.
4839 if test "$HAVE_NS" = "yes"; then
4840 libs_nsgui="-framework AppKit"
4841 if test "$NS_IMPL_COCOA" = "yes"; then
4842 libs_nsgui="$libs_nsgui -framework IOKit"
4849 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4851 ## This is here because src/Makefile.in did some extra fiddling around
4852 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4853 ## LD_SWITCH_SYSTEM_TEMACS instead,
4854 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4855 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4858 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4859 ## find X at run-time.
4860 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4861 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4862 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4863 ## had different values in configure (in ac_link) and src/Makefile.in.
4864 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4865 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4868 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4869 case "$canonical" in
4870 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4871 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4875 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4877 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4880 if test x$ac_enable_profiling != x ; then
4882 *freebsd | gnu-linux) ;;
4883 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4887 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4889 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4891 ## Common for all window systems
4892 if test "$window_system" != "none"; then
4893 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4894 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4895 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4898 AC_SUBST(WINDOW_SYSTEM_OBJ)
4900 AH_TOP([/* GNU Emacs site configuration template file.
4902 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4903 Free Software Foundation, Inc.
4905 This file is part of GNU Emacs.
4907 GNU Emacs is free software: you can redistribute it and/or modify
4908 it under the terms of the GNU General Public License as published by
4909 the Free Software Foundation, either version 3 of the License, or
4910 (at your option) any later version.
4912 GNU Emacs is distributed in the hope that it will be useful,
4913 but WITHOUT ANY WARRANTY; without even the implied warranty of
4914 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4915 GNU General Public License for more details.
4917 You should have received a copy of the GNU General Public License
4918 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4921 /* No code in Emacs #includes config.h twice, but some bits of code
4922 intended to work with other packages as well (like gmalloc.c)
4923 think they can include it as many times as they like. */
4924 #ifndef EMACS_CONFIG_H
4925 #define EMACS_CONFIG_H
4928 AH_BOTTOM([#include <conf_post.h>
4930 #endif /* EMACS_CONFIG_H */
4939 #### Report on what we decided to do.
4940 #### Report GTK as a toolkit, even if it doesn't use Xt.
4941 #### It makes printing result more understandable as using GTK sets
4942 #### toolkit_scroll_bars to yes by default.
4943 if test "${HAVE_GTK}" = "yes"; then
4944 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4947 if test $USE_ACL -ne 0; then
4948 ACL_SUMMARY="yes $LIB_ACL"
4954 Configured for \`${canonical}'.
4956 Where should the build process find the source code? ${srcdir}
4957 What compiler should emacs be built with? ${CC} ${CFLAGS}
4958 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4959 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4960 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4961 What window system should Emacs use? ${window_system}
4962 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4964 if test -n "${x_includes}"; then
4965 echo " Where do we find X Windows header files? ${x_includes}"
4967 echo " Where do we find X Windows header files? Standard dirs"
4969 if test -n "${x_libraries}"; then
4970 echo " Where do we find X Windows libraries? ${x_libraries}"
4972 echo " Where do we find X Windows libraries? Standard dirs"
4976 emacs_config_features=
4977 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
4978 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
4982 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
4983 *) eval val=\${HAVE_$opt} ;;
4985 test x"$val" = xno && continue
4986 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
4989 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
4990 [Summary of some of the main features enabled by configure.])
4992 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4993 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4994 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4995 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4996 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4997 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
4998 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4999 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5001 echo " Does Emacs support sound? ${HAVE_SOUND}"
5003 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5004 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5005 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5006 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5007 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5008 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5009 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5010 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5011 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5013 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5014 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5015 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5016 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5017 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5019 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5022 if test -n "${EMACSDATA}"; then
5023 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5025 if test -n "${EMACSDOC}"; then
5026 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5031 if test "$HAVE_NS" = "yes"; then
5033 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5034 The installed application will go to nextstep/Emacs.app and can be
5035 run or moved from there."
5036 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5037 echo "The application will be fully self-contained."
5039 echo "The lisp resources for the application will be installed under ${prefix}.
5040 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5041 to run if these resources are not installed."
5046 if test "${opsys}" = "cygwin"; then
5048 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5054 # Remove any trailing slashes in these variables.
5055 [test "${prefix}" != NONE &&
5056 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5057 test "${exec_prefix}" != NONE &&
5058 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5060 if test "$HAVE_NS" = "yes"; then
5061 if test "$NS_IMPL_GNUSTEP" = yes; then
5062 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5063 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5064 ns_check_file=Resources/Info-gnustep.plist
5066 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5067 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5068 ns_check_file=Contents/Info.plist
5070 AC_SUBST(ns_check_file)
5073 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5074 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5075 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5076 dnl (else you get "no `Makefile.am' found for any configure output").
5077 dnl This will work, but you get a config.status that is not quite right
5078 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5079 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5080 dnl it seems better to just live with the duplication.
5081 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5083 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5084 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5085 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5086 leim/Makefile nextstep/Makefile nt/Makefile])
5088 dnl test/ is not present in release tarfiles.
5089 opt_makefile=test/automated/Makefile
5091 if test -f "$srcdir/$opt_makefile.in"; then
5092 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5093 dnl Again, it's best not to use a variable. Though you can add
5094 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5095 AC_CONFIG_FILES([test/automated/Makefile])
5099 dnl The admin/ directory used to be excluded from tarfiles.
5100 if test -d $srcdir/admin; then
5101 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5102 AC_CONFIG_FILES([admin/unidata/Makefile])
5103 AC_CONFIG_FILES([admin/grammars/Makefile])
5107 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5109 AC_SUBST(SUBDIR_MAKEFILES_IN)
5111 dnl You might wonder (I did) why epaths.h is generated by running make,
5112 dnl rather than just letting configure generate it from epaths.in.
5113 dnl One reason is that the various paths are not fully expanded (see above);
5114 dnl eg gamedir=${prefix}/var/games/emacs.
5115 dnl Secondly, the GNU Coding standards require that one should be able
5116 dnl to run `make prefix=/some/where/else' and override the values set
5117 dnl by configure. This also explains the `move-if-change' test and
5118 dnl the use of force in the `epaths-force' rule in Makefile.in.
5119 AC_CONFIG_COMMANDS([src/epaths.h], [
5120 if test "${opsys}" = "mingw32"; then
5121 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5123 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5125 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5127 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5128 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5130 AC_CONFIG_COMMANDS([src/.gdbinit], [
5131 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5132 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5138 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])