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 We get MINGW64 with MSYS2
29 if test "x$MSYSTEM" = "xMINGW32" -o "x$MSYSTEM" = "xMINGW64"
31 . $srcdir/nt/mingw-cfg.site
35 # srcdir is an absolute path. In this case, force the format
36 # "/c/foo/bar", to simplify later conversions to native Windows
37 # format ("c:/foo/bar")
38 srcdir=`cd "${srcdir}" && pwd -W`
39 srcdir="/${srcdir:0:1}${srcdir:2}"
44 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
45 dnl and then quoted again for a C string. Separate options with spaces.
46 dnl Add some environment variables, if they were passed via the environment
47 dnl rather than on the command-line.
50 dnl This is the documented way to record the args passed to configure,
51 dnl rather than $ac_configure_args.
52 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
54 -n | --no-create | --no-recursion)
56 CFLAGS | CPPFLAGS | LDFLAGS)
57 eval 'test "${'$opt'+set}" = set' || continue
59 *" $opt="*) continue ;;
61 eval opt=$opt=\$$opt ;;
64 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
66 *[["$emacs_shell_specials"]]*)
69 emacs_quote_apostrophes="s/'/'\\\\''/g"
70 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
75 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
76 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
79 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
83 AC_CONFIG_HEADERS(src/config.h:src/config.in)
84 AC_CONFIG_SRCDIR(src/lisp.h)
85 AC_CONFIG_AUX_DIR(build-aux)
86 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
87 dnl With older versions this is a no-op.
88 AC_CONFIG_MACRO_DIR(m4)
91 AC_CHECK_PROGS(XCRUN, [xcrun])
92 if test -n "$XCRUN"; then
93 if test -z "$MAKE"; then
94 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
95 dnl the usual MAKE variable that 'make' itself uses.
96 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
97 if test -z "$MAKE_PROG"; then
100 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
105 dnl GNU Make is required, so don't test for its individual features.
106 am_cv_make_support_nested_variables=yes
107 AC_DEFUN([AC_PROG_MAKE_SET],
109 AC_SUBST([SET_MAKE])])
111 dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
112 AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
113 [ac_path_MAKE_found=false
114 if test -n "$MAKE"; then
115 emacs_makeout=`($MAKE --version) 2>/dev/null` &&
116 case $emacs_makeout in
118 ac_path_MAKE_found=:;;
120 ac_cv_path_MAKE=$MAKE
122 emacs_tried_make=false
123 emacs_tried_gmake=false
124 emacs_tried_gnumake=false
125 AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
126 [[emacs_makeout=`($ac_path_MAKE --version) 2>/dev/null` &&
127 case $emacs_makeout in
129 # Use the fully-qualified program name only if the basename
130 # would not resolve to it.
131 if eval \$emacs_tried_$ac_prog; then
132 ac_cv_path_MAKE=$ac_path_MAKE
134 ac_cv_path_MAKE=$ac_prog
136 ac_path_MAKE_found=:;;
138 eval emacs_tried_$ac_prog=:]])
140 $ac_path_MAKE_found || { AC_MSG_ERROR([[Building Emacs requires GNU Make.
141 If you have it installed under another name, configure with 'MAKE=...'.
142 For example, run '$0 MAKE=gnu-make'.]])
144 MAKE=$ac_cv_path_MAKE
146 dnl Fairly arbitrary, older versions might work too.
147 AM_INIT_AUTOMAKE(1.11)
149 dnl Support for --program-prefix, --program-suffix and
150 dnl --program-transform-name options
153 dnl It is important that variables on the RHS not be expanded here,
154 dnl hence the single quotes. This is per the GNU coding standards, see
155 dnl (autoconf) Installation Directory Variables
156 dnl See also epaths.h below.
157 lispdir='${datadir}/emacs/${version}/lisp'
158 standardlisppath='${lispdir}'
159 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
160 '${datadir}/emacs/site-lisp'
161 lisppath='${locallisppath}:${standardlisppath}'
162 etcdir='${datadir}/emacs/${version}/etc'
163 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
164 etcdocdir='${datadir}/emacs/${version}/etc'
165 gamedir='${localstatedir}/games/emacs'
167 dnl Special option to disable the most of other options.
169 [AS_HELP_STRING([--without-all],
170 [omit almost all features and build
171 small executable with minimal dependencies])],
172 [with_features=$withval],
175 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
176 dnl Create a new --with option that defaults to being disabled.
177 dnl NAME is the base name of the option. The shell variable with_NAME
178 dnl will be set to either the user's value (if the option is
179 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
180 dnl option is not specified). Note that the shell variable name is
181 dnl constructed as autoconf does, by replacing non-alphanumeric
182 dnl characters with "_".
183 dnl HELP-STRING is the help text for the option.
184 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
185 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
186 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
189 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
190 dnl Create a new --with option that defaults to $with_features.
191 dnl NAME is the base name of the option. The shell variable with_NAME
192 dnl will be set either to 'no' (for a plain --without-NAME) or to
193 dnl 'yes' (if the option is not specified). Note that the shell
194 dnl variable name is constructed as autoconf does, by replacing
195 dnl non-alphanumeric characters with "_".
196 dnl HELP-STRING is the help text for the option.
197 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
198 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
199 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
202 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
203 if test "$with_pop" = yes; then
204 AC_DEFINE(MAIL_USE_POP)
206 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
208 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
209 if test "$with_kerberos" != no; then
212 AH_TEMPLATE(KERBEROS,
213 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
215 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
216 if test "${with_kerberos5}" != no; then
217 if test "${with_kerberos}" = no; then
221 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
224 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
225 dnl FIXME hesiod support may not be present, so it seems like an error
226 dnl to define, or at least use, this unconditionally.
227 if test "$with_hesiod" != no; then
228 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
231 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
232 if test "$with_mmdf" != no; then
233 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
236 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
237 if test "$with_mail_unlink" != no; then
238 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
241 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
242 [string giving default POP mail host])],
243 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
245 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
246 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
247 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
248 [ case "${withval}" in
249 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
250 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
251 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
256 [with_sound=$with_features])
258 dnl FIXME currently it is not the last.
259 dnl This should be the last --with option, because --with-x is
260 dnl added later on when we find the file name of X, and it's best to
261 dnl keep them together visually.
262 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
263 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
264 [ case "${withval}" in
265 y | ye | yes ) val=gtk ;;
267 l | lu | luc | luci | lucid ) val=lucid ;;
268 a | at | ath | athe | athen | athena ) val=athena ;;
269 m | mo | mot | moti | motif ) val=motif ;;
270 g | gt | gtk ) val=gtk ;;
274 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
275 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
276 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
277 `athena' and `lucid' are synonyms.])
283 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
284 if test "$with_wide_int" = yes; then
285 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
288 dnl _ON results in a '--without' option in the --help output, so
289 dnl the help text should refer to "don't compile", etc.
290 with_xpm_set=${with_xpm+set}
291 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
292 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
293 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
294 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
295 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
296 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
297 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
298 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
300 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
301 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
302 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
304 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
305 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
306 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
307 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
308 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
310 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
311 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
312 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
313 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
314 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
315 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
316 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
318 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
319 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
320 [ case "${withval}" in
321 y | ye | yes ) val=yes ;;
323 g | gf | gfi | gfil | gfile ) val=gfile ;;
324 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
325 w | w3 | w32 ) val=w32 ;;
326 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
327 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
328 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
329 otherwise for the first of `gfile' or `inotify' that is usable.])
332 with_file_notification=$val
334 [with_file_notification=$with_features])
336 ## For the times when you want to build Emacs but don't have
337 ## a suitable makeinfo, and can live without the manuals.
338 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
339 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
341 ## This might be a 'configure' arg.
342 AC_SUBST([ACLOCAL_PATH])
344 ## Makefile.in needs the cache file name.
347 ## This is an option because I do not know if all info/man support
348 ## compressed files, nor how to test if they do so.
349 OPTION_DEFAULT_ON([compress-install],
350 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
351 make GZIP_PROG= install])
353 AC_ARG_WITH(gameuser,dnl
354 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
355 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
356 && gameuser="${with_gameuser}"
357 test "X$gameuser" = X && gameuser=games
359 AC_ARG_WITH([gnustep-conf],dnl
360 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
361 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
362 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
363 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
364 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
365 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
367 AC_ARG_ENABLE(ns-self-contained,
368 [AS_HELP_STRING([--disable-ns-self-contained],
369 [disable self contained build under NeXTstep])],
370 EN_NS_SELF_CONTAINED=$enableval,
371 EN_NS_SELF_CONTAINED=yes)
373 AC_ARG_ENABLE(locallisppath,
374 [AS_HELP_STRING([--enable-locallisppath=PATH],
375 [directories Emacs should search for lisp files specific
377 if test "${enableval}" = "no"; then
379 elif test "${enableval}" != "yes"; then
380 locallisppath=${enableval}
383 AC_ARG_ENABLE(checking,
384 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
385 [enable expensive run-time checks. With LIST,
386 enable only specific categories of checks.
387 Categories are: all,yes,no.
388 Flags are: stringbytes, stringoverrun, stringfreelist,
389 xmallocoverrun, conslist, glyphs])],
390 [ac_checking_flags="${enableval}"],[])
391 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
392 for check in $ac_checking_flags
395 # these set all the flags to specific states
396 yes) ac_enable_checking=1 ;;
397 no) ac_enable_checking= ;
398 ac_gc_check_stringbytes= ;
399 ac_gc_check_string_overrun= ;
400 ac_gc_check_string_free_list= ;
401 ac_xmalloc_overrun= ;
402 ac_gc_check_cons_list= ;
404 all) ac_enable_checking=1 ;
405 ac_gc_check_stringbytes=1 ;
406 ac_gc_check_string_overrun=1 ;
407 ac_gc_check_string_free_list=1 ;
408 ac_xmalloc_overrun=1 ;
409 ac_gc_check_cons_list=1 ;
411 # these enable particular checks
412 stringbytes) ac_gc_check_stringbytes=1 ;;
413 stringoverrun) ac_gc_check_string_overrun=1 ;;
414 stringfreelist) ac_gc_check_string_free_list=1 ;;
415 xmallocoverrun) ac_xmalloc_overrun=1 ;;
416 conslist) ac_gc_check_cons_list=1 ;;
417 glyphs) ac_glyphs_debug=1 ;;
418 *) AC_MSG_ERROR(unknown check category $check) ;;
423 if test x$ac_enable_checking != x ; then
424 AC_DEFINE(ENABLE_CHECKING, 1,
425 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
427 if test x$ac_gc_check_stringbytes != x ; then
428 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
429 [Define this temporarily to hunt a bug. If defined, the size of
430 strings is redundantly recorded in sdata structures so that it can
431 be compared to the sizes recorded in Lisp strings.])
433 if test x$ac_gc_check_string_overrun != x ; then
434 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
435 [Define this to check for short string overrun.])
437 if test x$ac_gc_check_string_free_list != x ; then
438 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
439 [Define this to check the string free list.])
441 if test x$ac_xmalloc_overrun != x ; then
442 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
443 [Define this to check for malloc buffer overrun.])
445 if test x$ac_gc_check_cons_list != x ; then
446 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
447 [Define this to check for errors in cons list.])
449 if test x$ac_glyphs_debug != x ; then
450 AC_DEFINE(GLYPH_DEBUG, 1,
451 [Define this to enable glyphs debugging code.])
454 AC_ARG_ENABLE(check-lisp-object-type,
455 [AS_HELP_STRING([--enable-check-lisp-object-type],
456 [enable compile time checks for the Lisp_Object data type.
457 This is useful for development for catching certain types of bugs.])],
458 if test "${enableval}" != "no"; then
459 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
460 [Define this to enable compile time checks for the Lisp_Object data type.])
464 dnl The name of this option is unfortunate. It predates, and has no
465 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
466 dnl Actually, it stops it working.
467 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
468 AC_ARG_ENABLE(profiling,
469 [AS_HELP_STRING([--enable-profiling],
470 [build emacs with low-level, gprof profiling support.
471 Mainly useful for debugging Emacs itself. May not work on
472 all platforms. Stops profiler.el working.])],
473 [ac_enable_profiling="${enableval}"],[])
474 if test x$ac_enable_profiling != x ; then
475 PROFILING_CFLAGS="-DPROFILING=1 -pg"
479 AC_SUBST(PROFILING_CFLAGS)
481 AC_ARG_ENABLE(autodepend,
482 [AS_HELP_STRING([--enable-autodepend],
483 [automatically generate dependencies to .h-files.
484 Requires gcc, enabled if found.])],
485 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
487 AC_ARG_ENABLE(gtk-deprecation-warnings,
488 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
489 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
490 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
492 ### Canonicalize the configuration name.
496 configuration=${host_alias-${build_alias-$host}}
498 dnl This used to use changequote, but, apart from `changequote is evil'
499 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
500 dnl the great gob of text. Thus it's not processed for possible expansion.
501 dnl Just make sure the brackets remain balanced.
503 dnl Since Emacs can't find matching pairs of quotes, boundaries are
504 dnl indicated by comments.
508 ### If you add support for a new configuration, add code to this
509 ### switch statement to recognize your configuration name and select
510 ### the appropriate opsys.
512 ### As far as handling version numbers on operating systems is
513 ### concerned, make sure things will fail in a fixable way. If
514 ### /etc/MACHINES doesn't say anything about version numbers, be
515 ### prepared to handle anything reasonably. If version numbers
516 ### matter, be sure /etc/MACHINES says something about it.
519 case "${canonical}" in
521 ## GNU/Linux and similar ports
536 ## FreeBSD kernel + glibc based userland
547 *-*-openbsd* | *-*-mirbsd* )
551 ## Apple Darwin / Mac OS X
553 case "${canonical}" in
560 ## Use fink packages if available.
561 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
562 ## if test -d /sw/include && test -d /sw/lib; then
563 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
564 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
573 ## HP 9000 series 700 and 800, running HP/UX
577 hppa*-hp-hpux1[1-9]* )
579 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
583 rs6000-ibm-aix4.[23]* )
586 powerpc-ibm-aix4.[23]* )
589 rs6000-ibm-aix[56]* )
592 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
596 ## Silicon Graphics machines
600 # Without defining _LANGUAGE_C, things get masked out in the headers
601 # so that, for instance, grepping for `free' in stdlib.h fails and
602 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
603 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
608 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
609 | x86_64-*-solaris2* | x86_64-*-sunos5*)
610 case "${canonical}" in
612 amd64-*-*|x86_64-*-*) ;;
616 case "${canonical}" in
617 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
619 emacs_check_sunpro_c=yes
621 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
622 ## Note that Emacs 23.1's NEWS said the following would be dropped.
623 *-sunos5.6* | *-solaris2.6* )
627 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
628 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
630 emacs_check_sunpro_c=yes
633 ## Watch out for a compiler that we know will not work.
634 case "${canonical}" in
635 *-solaris* | *-sunos5* )
636 if [ "x$CC" = x/usr/ucb/cc ]; then
637 ## /usr/ucb/cc doesn't work;
638 ## we should find some other compiler that does work.
646 ## Intel 386 machines where we don't care about the manufacturer.
648 case "${canonical}" in
649 *-darwin* ) opsys=darwin ;;
652 # MinGW overrides and adds some system headers in nt/inc.
653 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
655 *-sysv4.2uw* ) opsys=unixware ;;
656 *-sysv5uw* ) opsys=unixware ;;
657 *-sysv5OpenUNIX* ) opsys=unixware ;;
658 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
664 case "${canonical}" in
667 # MinGW overrides and adds some system headers in nt/inc.
668 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
670 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
679 ### If the code above didn't choose an operating system, just choose
680 ### an operating system based on the configuration name. You really
681 ### only want to use this when you have no idea what the right
682 ### operating system is; if you know what operating systems a machine
683 ### runs, it's cleaner to make it explicit in the case statement
685 if test x"${opsys}" = x; then
686 case "${canonical}" in
687 *-gnu* ) opsys=gnu ;;
697 if test $unported = yes; then
698 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
699 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
700 Check `etc/MACHINES' for recognized configuration names.])
704 #### Choose a compiler.
706 dnl Don't bother to test for C89.
707 AC_DEFUN([_AC_PROG_CC_C89], [$2])
709 dnl Sets GCC=yes if using gcc.
710 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
711 if test -n "$XCRUN"; then
712 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
713 test -n "$AR" && export AR
716 dnl Emacs needs C99 or later.
721 if test x$GCC = xyes; then
722 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
724 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
727 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
728 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
729 dnl that clash with MinGW.
730 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
732 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
733 AC_DEFUN([gl_CRYPTO_CHECK])
734 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
735 # as we don't use them.
736 AC_DEFUN([gl_FCNTL_O_FLAGS])
738 # Initialize gnulib right after choosing the compiler.
739 dnl Amongst other things, this sets AR and ARFLAGS.
742 if test "$ac_test_CFLAGS" != set; then
743 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
744 # if -g3 works and the user does not specify CFLAGS.
745 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
748 emacs_g3_CFLAGS='-g3';;
750 emacs_g3_CFLAGS='-g3 -O2';;
754 if test -n "$emacs_g3_CFLAGS"; then
755 emacs_save_CFLAGS=$CFLAGS
756 CFLAGS=$emacs_g3_CFLAGS
757 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
758 [emacs_cv_prog_cc_g3],
759 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
760 [emacs_cv_prog_cc_g3=yes],
761 [emacs_cv_prog_cc_g3=no])])
762 if test $emacs_cv_prog_cc_g3 != yes; then
763 CFLAGS=$emacs_save_CFLAGS
765 if test $opsys = mingw32; then
766 CFLAGS="$CFLAGS -gdwarf-2"
773 # No optimization flag was inferred for this non-GCC compiler.
774 # Try -O. This is needed for xlc on AIX; see Bug#14258.
775 emacs_save_CFLAGS=$CFLAGS
776 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
778 AC_CACHE_CHECK([whether $CC accepts -O],
779 [emacs_cv_prog_cc_o],
780 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
781 [emacs_cv_prog_cc_o=yes],
782 [emacs_cv_prog_cc_o=no])])
783 if test $emacs_cv_prog_cc_o != yes; then
784 CFLAGS=$emacs_save_CFLAGS
789 AC_ARG_ENABLE([gcc-warnings],
790 [AS_HELP_STRING([--enable-gcc-warnings],
791 [turn on lots of GCC warnings/errors. This is intended for
792 developers, and may generate false alarms when used
793 with older or non-GNU development tools.])],
796 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
798 gl_gcc_warnings=$enableval],
802 # clang is unduly picky about some things.
803 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
810 [emacs_cv_clang=yes],
811 [emacs_cv_clang=no])])
813 # When compiling with GCC, prefer -isystem to -I when including system
814 # include files, to avoid generating useless diagnostics for the files.
815 if test "$gl_gcc_warnings" != yes; then
817 if test "$emacs_cv_clang" = yes
819 # Turn off some warnings if supported.
820 gl_WARN_ADD([-Wno-switch])
821 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
822 gl_WARN_ADD([-Wno-pointer-sign])
827 # This, $nw, is the list of warnings we disable.
830 case $with_x_toolkit in
831 lucid | athena | motif)
832 # Old toolkits mishandle 'const'.
833 nw="$nw -Wwrite-strings"
836 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
839 AC_SUBST([WERROR_CFLAGS])
841 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
842 nw="$nw -Woverlength-strings" # Not a problem these days
843 nw="$nw -Wlogical-op" # any use of fwrite provokes this
844 nw="$nw -Wformat-nonliteral" # we do this a lot
845 nw="$nw -Wvla" # warnings in gettext.h
846 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
847 nw="$nw -Wswitch-default" # Too many warnings for now
848 nw="$nw -Winline" # OK to ignore 'inline'
849 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
850 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
851 # signed overflow has undefined behavior
852 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
853 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
854 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
856 # Emacs doesn't care about shadowing; see
857 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
860 # Emacs's use of alloca inhibits protecting the stack.
861 nw="$nw -Wstack-protector"
863 # The following line should be removable at some point.
864 nw="$nw -Wsuggest-attribute=pure"
866 # This part is merely for shortening the command line,
867 # since -Wno-FOO needs to be added below regardless.
868 nw="$nw -Wmissing-field-initializers"
870 nw="$nw -Wtype-limits"
871 nw="$nw -Wunused-parameter"
873 if test $emacs_cv_clang = yes; then
874 nw="$nw -Wcast-align"
877 gl_MANYWARN_ALL_GCC([ws])
878 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
882 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
883 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
884 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
885 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
886 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
887 gl_WARN_ADD([-Wno-format-nonliteral])
889 # In spite of excluding -Wlogical-op above, it is enabled, as of
890 # gcc 4.5.0 20090517.
891 gl_WARN_ADD([-Wno-logical-op])
893 # More things that clang is unduly picky about.
894 if test $emacs_cv_clang = yes; then
895 gl_WARN_ADD([-Wno-format-extra-args])
896 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
897 gl_WARN_ADD([-Wno-unused-command-line-argument])
898 gl_WARN_ADD([-Wno-unused-value])
901 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
902 AH_VERBATIM([FORTIFY_SOURCE],
903 [/* Enable compile-time and run-time bounds-checking, and some warnings,
904 without upsetting glibc 2.15+. */
905 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
906 # define _FORTIFY_SOURCE 2
909 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
911 # We use a slightly smaller set of warning options for lib/.
912 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
914 nw="$nw -Wunused-macros"
916 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
917 AC_SUBST([GNULIB_WARN_CFLAGS])
927 AC_ARG_ENABLE(link-time-optimization,
928 [AS_HELP_STRING([--enable-link-time-optimization],
929 [build emacs with link-time optimization.
930 This is supported for gcc since 4.5.0 and clang.
931 Note that clang support is experimental - see INSTALL])],
932 if test "${enableval}" != "no"; then
934 if test $emacs_cv_clang = yes; then
935 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
936 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
937 if test -x "$GOLD_PLUGIN"; then
940 elif test x$GCC = xyes; then
941 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
942 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
943 if test x$CPUS != x; then
949 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
951 if test -z "$LTO"; then
955 CFLAGS="$CFLAGS $LTO"
956 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
957 [ac_lto_supported=yes], [ac_lto_supported=no])
960 AC_MSG_RESULT([$ac_lto_supported])
961 if test "$ac_lto_supported" = "yes"; then
962 CFLAGS="$CFLAGS $LTO"
963 if test x$emacs_cv_clang = xyes; then
964 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
965 # WARNING: 'ar --plugin ...' doesn't work without
966 # command, so plugin name is appended to ARFLAGS.
967 ARFLAGS="cru --plugin $GOLD_PLUGIN"
968 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
973 dnl Some other nice autoconf tests.
974 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
977 dnl if test "x$RANLIB" = x; then
982 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
983 dnl can be made to directories. This is not relevant for our usage, and
984 dnl excludes some cases that work fine for us. Eg MS Windows or files
985 dnl hosted on AFS, both examples where simple links work, but links to
986 dnl directories fail. We use a cut-down version instead.
989 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
990 rm -f conf$$ conf$$.file
992 LN_S_FILEONLY='cp -p'
994 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
995 dnl random program in the current directory.
996 if (echo >conf$$.file) 2>/dev/null; then
997 if ln -s conf$$.file conf$$ 2>/dev/null; then
998 if test "$opsys" = "mingw32"; then
999 LN_S_FILEONLY='/bin/ln -s'
1001 LN_S_FILEONLY='ln -s'
1003 elif ln conf$$.file conf$$ 2>/dev/null; then
1004 if test "$opsys" = "mingw32"; then
1005 LN_S_FILEONLY=/bin/ln
1012 rm -f conf$$ conf$$.file
1014 if test "$LN_S_FILEONLY" = "ln -s"; then
1015 AC_MSG_RESULT([yes])
1017 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1020 AC_SUBST(LN_S_FILEONLY)
1023 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1024 dnl doesn't support links to directories, as in "ln file dir". But that
1025 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1026 dnl executables at "make install" time.
1027 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1028 dnl for more details.
1029 if test "$opsys" = "mingw32"; then
1033 dnl On some Debian versions, "install-info" prints irritating messages
1034 dnl "This is not dpkg install-info anymore, but GNU install-info"
1035 dnl if called via an absolute file name.
1036 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1037 dnl Sadly some people may have an old ginstall-info installed on
1038 dnl non-Debian systems, so we can't use this.
1039 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1040 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1042 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1043 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1044 dnl Don't use GZIP, which is used by gzip for additional parameters.
1045 AC_PATH_PROG(GZIP_PROG, gzip)
1047 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1048 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1050 if test $opsys = gnu-linux; then
1051 AC_PATH_PROG(PAXCTL, paxctl,,
1052 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1053 if test "X$PAXCTL" != X; then
1054 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1055 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1056 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1057 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1060 if test "${SETFATTR+set}" != set; then
1061 AC_CACHE_CHECK([for setfattr],
1062 [emacs_cv_prog_setfattr],
1064 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1065 emacs_cv_prog_setfattr=yes
1067 emacs_cv_prog_setfattr=no
1069 if test "$emacs_cv_prog_setfattr" = yes; then
1075 AC_SUBST([SETFATTR])
1079 ## Need makeinfo >= 4.7 (?) to build the manuals.
1080 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1081 dnl By this stage, configure has already checked for egrep and set EGREP,
1082 dnl or exited with an error if no egrep was found.
1083 if test "$MAKEINFO" != "no"; then
1085 $MAKEINFO --version 2> /dev/null |
1086 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1092 ## Makeinfo is unusual. For a released Emacs, the manuals are
1093 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1094 ## therefore in the category of "special tools" not normally required, which
1095 ## configure does not have to check for (eg autoconf itself).
1096 ## In a repository checkout on the other hand, the manuals are not included.
1097 ## So makeinfo is a requirement to build from the repository, and configure
1098 ## should test for it as it does for any other build requirement.
1099 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1100 ## with pre-built manuals, from a repository checkout.
1103 if test "$MAKEINFO" = "no"; then
1105 if test "x${with_makeinfo}" = "xno"; then
1107 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1108 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1109 source tree does not seem to have pre-built manuals in the `info' directory.
1110 Either install a suitable version of makeinfo, or re-run configure
1111 with the `--without-makeinfo' option to build without the manuals.] )
1114 AC_SUBST(HAVE_MAKEINFO)
1116 dnl Just so that there is only a single place we need to edit.
1118 INFO_OPTS=--no-split
1122 if test $opsys = mingw32; then
1123 DOCMISC_W32=efaq-w32
1127 AC_SUBST(DOCMISC_W32)
1129 dnl Add our options to ac_link now, after it is set up.
1131 if test x$GCC = xyes; then
1132 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1133 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1135 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1136 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1139 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1140 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1141 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1142 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1143 dnl if not built to support GNU ld.
1145 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1146 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1147 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1148 dnl Eg "make LDFLAGS=... all" could run into problems,
1149 dnl http://bugs.debian.org/684788
1150 dnl * unnecessary, since temacs is the only thing that actually needs it.
1151 dnl Indeed this is where it was originally, prior to:
1152 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1153 late_LDFLAGS="$LDFLAGS"
1154 if test x$GCC = xyes; then
1155 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1157 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1160 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1162 AC_MSG_CHECKING([for -znocombreloc])
1163 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1164 [AC_MSG_RESULT(yes)],
1165 LDFLAGS_NOCOMBRELOC=
1166 [AC_MSG_RESULT(no)])
1168 LDFLAGS="$late_LDFLAGS"
1170 AC_CACHE_CHECK([whether addresses are sanitized],
1171 [emacs_cv_sanitize_address],
1174 [[#ifndef __has_feature
1175 #define __has_feature(f) 0
1177 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1179 error "Addresses are not sanitized.";
1182 [emacs_cv_sanitize_address=yes],
1183 [emacs_cv_sanitize_address=no])])
1185 dnl The function dump-emacs will not be defined and temacs will do
1186 dnl (load "loadup") automatically unless told otherwise.
1187 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1189 your-opsys-here) CANNOT_DUMP=yes ;;
1192 if test "$CANNOT_DUMP" = "yes"; then
1193 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1194 elif test "$emacs_cv_sanitize_address" = yes; then
1195 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1198 AC_SUBST(CANNOT_DUMP)
1201 UNEXEC_OBJ=unexelf.o
1203 # MSDOS uses unexcoff.o
1205 UNEXEC_OBJ=unexaix.o
1211 UNEXEC_OBJ=unexmacosx.o
1214 UNEXEC_OBJ=unexhp9k800.o
1217 UNEXEC_OBJ=unexw32.o
1220 # Use the Solaris dldump() function, called from unexsol.c, to dump
1221 # emacs, instead of the generic ELF dump code found in unexelf.c.
1222 # The resulting binary has a complete symbol table, and is better
1223 # for debugging and other observability tools (debuggers, pstack, etc).
1225 # If you encounter a problem using dldump(), please consider sending
1226 # a message to the OpenSolaris tools-linking mailing list:
1227 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1229 # It is likely that dldump() works with older Solaris too, but this has
1230 # not been tested, so for now this change is for Solaris 10 or newer.
1231 UNEXEC_OBJ=unexsol.o
1238 ## Let `ld' find image libs and similar things in /usr/local/lib.
1239 ## The system compiler, GCC, has apparently been modified to not
1240 ## look there, contrary to what a stock GCC would do.
1241 ### It's not our place to do this. See bug#10313#17.
1242 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1247 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1248 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1252 ### It's not our place to do this. See bug#10313#17.
1253 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1258 ## Han Boetes <han@boetes.org> says this is necessary,
1259 ## otherwise Emacs dumps core on elf systems.
1260 LD_SWITCH_SYSTEM="-Z"
1263 AC_SUBST(LD_SWITCH_SYSTEM)
1265 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1267 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1268 ## which has not been defined yet. When this was handled with cpp,
1269 ## it was expanded to null when configure sourced the s/*.h file.
1270 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1271 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1272 ## (or somesuch), but because it is supposed to go at the _front_
1273 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1274 ## Compare with the gnu-linux case below, which added to the end
1275 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1276 ## LD_SWITCH_SYSTEM_TEMACS.
1279 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1286 AC_CHECK_DECL([__ELF__])
1287 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1288 ## With ELF, make sure that all common symbols get allocated to in the
1289 ## data section. Otherwise, the dump of temacs may miss variables in
1290 ## the shared library that have been initialized. For example, with
1291 ## GNU libc, __malloc_initialized would normally be resolved to the
1292 ## shared library's .bss section, which is fatal.
1293 if test "x$GCC" = "xyes"; then
1294 C_SWITCH_MACHINE="-fno-common"
1296 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1299 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1300 dnl albeit under the mistaken assumption that said file
1301 dnl was no longer used.
1302 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1306 AC_SUBST(C_SWITCH_MACHINE)
1308 AC_SUBST(UNEXEC_OBJ)
1311 ## Some programs in src produce warnings saying certain subprograms
1312 ## are too complex and need a MAXMEM value greater than 2000 for
1313 ## additional optimization. --nils@exp-math.uni-essen.de
1314 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1315 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1316 if test "$opsys" = "mingw32"; then
1317 case "$canonical" in
1318 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1319 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1322 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1323 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1324 AC_SUBST(C_SWITCH_SYSTEM)
1329 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1330 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1332 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1334 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1336 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1338 ## Motif needs -lgen.
1339 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1342 AC_SUBST(LIBS_SYSTEM)
1344 ### Make sure subsequent tests use flags consistent with the build flags.
1346 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1347 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1349 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1352 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1353 AC_DEFUN([AC_TYPE_SIZE_T])
1354 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1355 AC_DEFUN([AC_TYPE_UID_T])
1357 # sqrt and other floating-point functions such as fmod and frexp
1358 # are found in -lm on many systems.
1360 AC_SEARCH_LIBS([sqrt], [m])
1361 if test "X$LIBS" = "X$OLD_LIBS"; then
1364 LIB_MATH=$ac_cv_search_sqrt
1368 dnl Current possibilities handled by sed (aix4-2 -> aix,
1369 dnl gnu-linux -> gnu/linux, etc.):
1370 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1371 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1372 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1379 ## Adding -lm confuses the dynamic linker, so omit it.
1382 freebsd | dragonfly )
1383 SYSTEM_TYPE=berkeley-unix
1385 gnu-linux | gnu-kfreebsd )
1387 hpux10-20 | hpux11 )
1391 SYSTEM_TYPE=windows-nt
1393 dnl NB this may be adjusted below.
1395 SYSTEM_TYPE=berkeley-unix
1399 SYSTEM_TYPE=usg-unix-v
1405 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1406 [The type of system you are compiling for; sets `system-type'.])
1409 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1410 pre_PKG_CONFIG_LIBS=$LIBS
1412 PKG_PROG_PKG_CONFIG(0.9.0)
1414 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1415 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1416 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1417 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1418 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1419 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1421 AC_DEFUN([EMACS_CHECK_MODULES],
1422 [PKG_CHECK_MODULES([$1], [$2],
1423 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1424 m4_default([$3], [HAVE_$1=yes])],
1425 [m4_default([$4], [HAVE_$1=no])])])
1428 if test "${with_sound}" != "no"; then
1429 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1430 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1431 have_sound_header=yes, [], [
1433 #define WIN32_LEAN_AND_MEAN
1434 #include <windows.h>
1437 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1438 AC_MSG_ERROR([OSS sound support requested but not found.])
1440 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1441 # Emulation library used on NetBSD.
1442 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1443 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1444 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1445 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1446 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1450 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1452 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1453 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1454 if test $HAVE_ALSA = yes; then
1455 SAVE_CFLAGS="$CFLAGS"
1457 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1458 LIBS="$ALSA_LIBS $LIBS"
1459 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1460 emacs_alsa_normal=yes,
1461 emacs_alsa_normal=no)
1462 if test "$emacs_alsa_normal" != yes; then
1463 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1464 [[snd_lib_error_set_handler (0);]])],
1465 emacs_alsa_subdir=yes,
1466 emacs_alsa_subdir=no)
1467 if test "$emacs_alsa_subdir" != yes; then
1468 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1470 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1473 CFLAGS="$SAVE_CFLAGS"
1475 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1476 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1477 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1478 elif test "${with_sound}" = "alsa"; then
1479 AC_MSG_ERROR([ALSA sound support requested but not found.])
1481 fi dnl with_sound = alsa|yes
1483 dnl Define HAVE_SOUND if we have sound support. We know it works and
1484 dnl compiles only on the specified platforms. For others, it
1485 dnl probably doesn't make sense to try.
1486 dnl FIXME So surely we should bypass this whole section if not using
1487 dnl one of these platforms?
1488 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1490 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1491 dnl Adjust the --with-sound help text if you change this.
1492 gnu-linux|freebsd|netbsd|mingw32)
1493 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1499 AC_SUBST(CFLAGS_SOUND)
1502 dnl checks for header files
1503 AC_CHECK_HEADERS_ONCE(
1507 sys/utsname.h pwd.h utmp.h util.h)
1509 AC_MSG_CHECKING(if personality LINUX32 can be set)
1510 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1511 emacs_cv_personality_linux32=yes,
1512 emacs_cv_personality_linux32=no)
1513 AC_MSG_RESULT($emacs_cv_personality_linux32)
1515 if test $emacs_cv_personality_linux32 = yes; then
1516 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1517 [Define to 1 if personality LINUX32 can be set.])
1520 dnl On Solaris 8 there's a compilation warning for term.h because
1521 dnl it doesn't define `bool'.
1522 AC_CHECK_HEADERS(term.h, , , -)
1524 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1526 if test $ac_cv_have_decl_sys_siglist != yes; then
1527 # For Tru64, at least:
1528 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1533 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1534 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1535 #if HAVE_SYS_SOCKET_H
1536 #include <sys/socket.h>
1538 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1539 #if HAVE_SYS_SOCKET_H
1540 #include <sys/socket.h>
1542 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1543 #if HAVE_SYS_SOCKET_H
1544 #include <sys/socket.h>
1547 dnl checks for structure members
1548 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1549 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1550 struct ifreq.ifr_addr,
1551 struct ifreq.ifr_addr.sa_len], , ,
1552 [AC_INCLUDES_DEFAULT
1553 #if HAVE_SYS_SOCKET_H
1554 #include <sys/socket.h>
1560 dnl Check for endianness.
1561 dnl AC_C_BIGENDIAN is done by gnulib.
1563 dnl check for Make feature
1568 dnl check if we have GCC and autodepend is on.
1569 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1570 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1571 SAVE_CFLAGS="$CFLAGS"
1572 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1573 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1574 CFLAGS="$SAVE_CFLAGS"
1575 test -f deps.d || ac_enable_autodepend=no
1577 AC_MSG_RESULT([$ac_enable_autodepend])
1578 if test $ac_enable_autodepend = yes; then
1579 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1580 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1581 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1582 deps_frag=autodeps.mk
1585 deps_frag=$srcdir/src/$deps_frag
1588 AC_SUBST_FILE(deps_frag)
1591 lisp_frag=$srcdir/src/lisp.mk
1592 AC_SUBST_FILE(lisp_frag)
1595 dnl checks for operating system services
1596 AC_SYS_LONG_FILE_NAMES
1598 #### Choose a window system.
1600 ## We leave window_system equal to none if
1601 ## we end up building without one. Any new window system should
1602 ## set window_system to an appropriate value and add objects to
1603 ## window-system-specific substs.
1607 if test "$no_x" != yes; then
1611 LD_SWITCH_X_SITE_RPATH=
1612 if test "${x_libraries}" != NONE; then
1613 if test -n "${x_libraries}"; then
1614 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1615 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1617 x_default_search_path=""
1618 x_search_path=${x_libraries}
1619 if test -z "${x_search_path}"; then
1620 x_search_path=/usr/lib
1622 for x_library in `echo ${x_search_path}: | \
1623 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1625 ${x_library}/X11/%L/%T/%N%C%S:\
1626 ${x_library}/X11/%l/%T/%N%C%S:\
1627 ${x_library}/X11/%T/%N%C%S:\
1628 ${x_library}/X11/%L/%T/%N%S:\
1629 ${x_library}/X11/%l/%T/%N%S:\
1630 ${x_library}/X11/%T/%N%S"
1631 if test x"${x_default_search_path}" = x; then
1632 x_default_search_path=${x_search_path}
1634 x_default_search_path="${x_search_path}:${x_default_search_path}"
1638 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1640 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1641 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1644 if test x"${x_includes}" = x; then
1645 bitmapdir=/usr/include/X11/bitmaps
1647 # accumulate include directories that have X11 bitmap subdirectories
1649 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1650 if test -d "${bmd}/X11/bitmaps"; then
1651 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1653 if test -d "${bmd}/bitmaps"; then
1654 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1657 if test ${bmd_acc} != "dummyval"; then
1658 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1665 tmp_CPPFLAGS="$CPPFLAGS"
1666 tmp_CFLAGS="$CFLAGS"
1667 CPPFLAGS="$CPPFLAGS -x objective-c"
1668 CFLAGS="$CFLAGS -x objective-c"
1671 if test "${with_ns}" != no; then
1672 if test "${opsys}" = darwin; then
1674 ns_appdir=`pwd`/nextstep/Emacs.app
1675 ns_appbindir=${ns_appdir}/Contents/MacOS
1676 ns_appresdir=${ns_appdir}/Contents/Resources
1677 ns_appsrc=Cocoa/Emacs.base
1678 elif test -f $GNUSTEP_CONFIG_FILE; then
1680 ns_appdir=`pwd`/nextstep/Emacs.app
1681 ns_appbindir=${ns_appdir}
1682 ns_appresdir=${ns_appdir}/Resources
1683 ns_appsrc=GNUstep/Emacs.base
1684 dnl FIXME sourcing this several times in subshells seems inefficient.
1685 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1686 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1687 dnl I seemed to need these as well with GNUstep-startup 0.25.
1688 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1689 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1690 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1691 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1692 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1693 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1694 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1695 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1696 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1697 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1698 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1699 dnl If they had chosen to either define it or not, we could have
1700 dnl just used AC_CHECK_DECL here.
1701 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1702 emacs_cv_objc_exceptions,
1703 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1704 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1708 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1709 if test $emacs_cv_objc_exceptions = yes; then
1710 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1711 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1712 [Define if GNUstep uses ObjC exceptions.])
1713 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1717 dnl This is only used while we test the NS headers, it gets reset below.
1718 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1720 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1721 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1722 files are missing or cannot be compiled.])])
1725 if test "${NS_IMPL_COCOA}" = "yes"; then
1726 AC_MSG_CHECKING([for OSX 10.4 or newer])
1727 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1729 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1730 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1733 error "OSX 10.4 or newer required";
1737 ns_osx_have_104=yes,
1739 AC_MSG_RESULT([$ns_osx_have_104])
1741 if test $ns_osx_have_104 = no; then
1742 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1744 AC_MSG_CHECKING([for OSX 10.5 or newer])
1745 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1747 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1748 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1751 error "OSX 10.5 not found";
1755 ns_osx_have_105=yes,
1757 AC_MSG_RESULT([$ns_osx_have_105])
1758 if test $ns_osx_have_105 = yes; then
1759 macfont_file="macfont.o"
1762 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1764 ns_have_nsinteger=yes,
1765 ns_have_nsinteger=no)
1766 if test $ns_have_nsinteger = yes; then
1767 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1771 AC_SUBST(LIBS_GNUSTEP)
1773 INSTALL_ARCH_INDEP_EXTRA=install-etc
1774 ns_self_contained=no
1777 if test "${HAVE_NS}" = yes; then
1778 if test "$with_toolkit_scroll_bars" = "no"; then
1779 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1782 window_system=nextstep
1783 # set up packaging dirs
1784 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1785 ns_self_contained=yes
1786 prefix=${ns_appresdir}
1787 exec_prefix=${ns_appbindir}
1788 dnl This one isn't really used, only archlibdir is.
1789 libexecdir="\${ns_appbindir}/libexec"
1790 archlibdir="\${ns_appbindir}/libexec"
1791 etcdocdir="\${ns_appresdir}/etc"
1792 etcdir="\${ns_appresdir}/etc"
1793 dnl FIXME maybe set datarootdir instead.
1794 dnl That would also get applications, icons, man.
1795 infodir="\${ns_appresdir}/info"
1796 mandir="\${ns_appresdir}/man"
1797 lispdir="\${ns_appresdir}/lisp"
1798 INSTALL_ARCH_INDEP_EXTRA=
1801 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1803 CFLAGS="$tmp_CFLAGS"
1804 CPPFLAGS="$tmp_CPPFLAGS"
1805 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1806 AC_SUBST(ns_self_contained)
1808 AC_SUBST(NS_OBJC_OBJ)
1819 if test "${with_w32}" != no; then
1822 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1823 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1824 cannot be found.])])
1827 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1830 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1835 if test "${opsys}" = "mingw32"; then
1836 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1837 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1838 #include <windows.h>
1839 #include <usp10.h>]],
1840 [[PIMAGE_NT_HEADERS pHeader;
1841 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1842 [emacs_cv_w32api=yes
1845 AC_MSG_RESULT($emacs_cv_w32api)
1846 if test "${emacs_cv_w32api}" = "no"; then
1847 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1858 if test "${HAVE_W32}" = "yes"; then
1859 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1860 AC_CHECK_TOOL(WINDRES, [windres],
1861 [AC_MSG_ERROR([No resource compiler found.])])
1862 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1863 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1864 EMACSRES="emacs.res"
1865 case "$canonical" in
1866 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1867 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1869 if test "${opsys}" = "cygwin"; then
1870 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1871 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1872 # Tell the linker that emacs.res is an object (which we compile from
1873 # the rc file), not a linker script.
1874 W32_RES_LINK="-Wl,emacs.res"
1876 UPDATE_MANIFEST=update-game-score.exe.manifest
1877 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1878 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1879 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1880 W32_RES_LINK="\$(EMACSRES)"
1881 CLIENTRES="emacsclient.res"
1882 CLIENTW="emacsclientw\$(EXEEXT)"
1883 FIRSTFILE_OBJ=firstfile.o
1886 LIBS_ECLIENT="-lcomctl32"
1887 LIB_WSOCK32="-lwsock32"
1888 NTLIB="ntlib.$ac_objext"
1889 XARGS_LIMIT="-s 10000"
1895 AC_SUBST(EMACS_MANIFEST)
1896 AC_SUBST(UPDATE_MANIFEST)
1899 AC_SUBST(W32_RES_LINK)
1900 AC_SUBST(FIRSTFILE_OBJ)
1903 AC_SUBST(LIBS_ECLIENT)
1904 AC_SUBST(LIB_WSOCK32)
1906 AC_SUBST(XARGS_LIMIT)
1908 if test "${HAVE_W32}" = "yes"; then
1913 ## $window_system is now set to the window system we will
1916 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1917 # Too many warnings for now.
1919 nw="$nw -Wsuggest-attribute=const"
1920 nw="$nw -Wsuggest-attribute=noreturn"
1921 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1923 gl_WARN_ADD([-Wno-unused-variable])
1924 gl_WARN_ADD([-Wno-unused-but-set-variable])
1925 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1933 case "${window_system}" in
1938 case "${with_x_toolkit}" in
1939 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1940 motif ) USE_X_TOOLKIT=MOTIF ;;
1942 term_header=gtkutil.h
1943 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1944 dnl USE_X_TOOLKIT is set.
1945 USE_X_TOOLKIT=none ;;
1946 gtk2 ) with_gtk2=yes
1947 term_header=gtkutil.h
1948 USE_X_TOOLKIT=none ;;
1949 gtk3 ) with_gtk3=yes
1950 term_header=gtkutil.h
1951 USE_X_TOOLKIT=none ;;
1952 no ) USE_X_TOOLKIT=none ;;
1953 dnl If user did not say whether to use a toolkit, make this decision later:
1954 dnl use the toolkit if we have gtk, or X11R5 or newer.
1955 * ) USE_X_TOOLKIT=maybe ;;
1959 term_header=nsterm.h
1962 term_header=w32term.h
1966 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1967 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1968 if test "$HAVE_XSERVER" = true ||
1969 test -n "$DISPLAY" ||
1970 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1971 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1972 were found. You should install the relevant development files for X
1973 and for the toolkit you want, such as Gtk+ or Motif. Also make
1974 sure you have development files for image handling, i.e.
1975 tiff, gif, jpeg, png and xpm.
1976 If you are sure you want Emacs compiled without X window support, pass
1982 # Does the opsystem file prohibit the use of the GNU malloc?
1983 # Assume not, until told otherwise.
1987 [whether malloc is Doug Lea style],
1988 [emacs_cv_var_doug_lea_malloc],
1989 [emacs_cv_var_doug_lea_malloc=no
1990 dnl Hooks do not work with address sanitization.
1991 if test "$emacs_cv_sanitize_address" != yes; then
1994 [[#include <malloc.h>
1995 static void hook (void) {}]],
1996 [[malloc_set_state (malloc_get_state ());
1997 __after_morecore_hook = hook;
1998 __malloc_initialize_hook = hook;]])],
1999 [emacs_cv_var_doug_lea_malloc=yes])])
2001 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2003 system_malloc=$emacs_cv_sanitize_address
2005 ## darwin ld insists on the use of malloc routines in the System framework.
2006 darwin|mingw32|sol2-10) system_malloc=yes ;;
2010 if test "${system_malloc}" = "yes"; then
2011 AC_DEFINE([SYSTEM_MALLOC], 1,
2012 [Define to 1 to use the system memory allocator, even if it is not
2016 (The GNU allocators don't work with this system configuration.)"
2019 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2020 VMLIMIT_OBJ=vm-limit.o
2022 AC_CHECK_HEADERS([sys/vlimit.h])
2023 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2026 [[extern char data_start[]; char ch;]],
2027 [[return data_start < &ch;]])],
2028 [emacs_cv_data_start=yes],
2029 [emacs_cv_data_start=no])])
2030 if test $emacs_cv_data_start = yes; then
2031 AC_DEFINE([HAVE_DATA_START], 1,
2032 [Define to 1 if data_start is the address of the start
2033 of the main data segment.])
2036 AC_SUBST(GMALLOC_OBJ)
2037 AC_SUBST(VMLIMIT_OBJ)
2039 if test "$doug_lea_malloc" = "yes" ; then
2040 if test "$GNU_MALLOC" = yes ; then
2042 (Using Doug Lea's new malloc from the GNU C Library.)"
2044 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2045 [Define to 1 if the system memory allocator is Doug Lea style,
2046 with malloc hooks and malloc_set_state.])
2048 ## Use mmap directly for allocating larger buffers.
2049 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2050 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2051 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2053 mingw32|gnu*) REL_ALLOC=no ;;
2057 if test x"${REL_ALLOC}" = x; then
2058 REL_ALLOC=${GNU_MALLOC}
2061 use_mmap_for_buffers=no
2063 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2067 if test $use_mmap_for_buffers = yes; then
2068 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2072 LIBS="$LIBS_SYSTEM $LIBS"
2074 dnl FIXME replace main with a function we actually want from this library.
2075 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2077 dnl Check for the POSIX thread library.
2079 if test "$opsys" != "mingw32"; then
2080 AC_CHECK_HEADERS_ONCE(pthread.h)
2081 if test "$ac_cv_header_pthread_h"; then
2082 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2083 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2084 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2085 if test "$GMALLOC_OBJ" = gmalloc.o; then
2086 emacs_pthread_function=pthread_atfork
2088 emacs_pthread_function=pthread_kill
2091 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2092 [AC_DEFINE([HAVE_PTHREAD], [1],
2093 [Define to 1 if you have pthread (-lpthread).])
2094 # Some systems optimize for single-threaded programs by default, and
2095 # need special flags to disable these optimizations. For example, the
2096 # definition of 'errno' in <errno.h>.
2097 if test "$opsys" = aix4-2; then
2098 AC_DEFINE([_THREAD_SAFE], [1],
2099 [Define to 1 if your system requires this in multithreaded code.])
2101 if test "X$LIBS" != "X$OLD_LIBS"; then
2102 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2106 AC_SUBST([LIB_PTHREAD])
2109 dnl Check for need for bigtoc support on IBM AIX
2113 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2115 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2116 *) gdb_cv_bigtoc=-bbigtoc ;;
2119 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2120 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2125 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2126 # is for the tests that follow. We set them back later on.
2128 REAL_CFLAGS="$CFLAGS"
2129 REAL_CPPFLAGS="$CPPFLAGS"
2132 if test "${HAVE_X11}" = "yes"; then
2133 DEFS="$C_SWITCH_X_SITE $DEFS"
2134 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2136 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2137 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2139 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2140 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2141 # but it's more convenient here to set LD_RUN_PATH since this
2142 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2143 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2144 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2148 if test "${opsys}" = "gnu-linux"; then
2149 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2150 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2151 [[XOpenDisplay ("foo");]])],
2152 [xgnu_linux_first_failure=no],
2153 [xgnu_linux_first_failure=yes])
2154 if test "${xgnu_linux_first_failure}" = "yes"; then
2155 OLD_CPPFLAGS="$CPPFLAGS"
2157 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2158 LIBS="$LIBS -b i486-linuxaout"
2159 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2160 [[XOpenDisplay ("foo");]])],
2161 [xgnu_linux_second_failure=no],
2162 [xgnu_linux_second_failure=yes])
2163 if test "${xgnu_linux_second_failure}" = "yes"; then
2164 # If we get the same failure with -b, there is no use adding -b.
2165 # So leave it out. This plays safe.
2168 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2169 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2172 CPPFLAGS=$OLD_CPPFLAGS
2179 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2180 # header files included from there.
2181 AC_MSG_CHECKING(for Xkb)
2182 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2183 #include <X11/XKBlib.h>]],
2184 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2185 emacs_xkb=yes, emacs_xkb=no)
2186 AC_MSG_RESULT($emacs_xkb)
2187 if test $emacs_xkb = yes; then
2188 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2191 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2192 XScreenNumberOfScreen)
2195 if test "${window_system}" = "x11"; then
2196 AC_MSG_CHECKING(X11 version 6)
2197 AC_CACHE_VAL(emacs_cv_x11_version_6,
2198 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2199 [[#if XlibSpecificationRelease < 6
2202 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2203 if test $emacs_cv_x11_version_6 = yes; then
2204 AC_MSG_RESULT(6 or newer)
2205 AC_DEFINE(HAVE_X11R6, 1,
2206 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2207 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2208 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2212 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2213 [Define if you have usable X11R6-style XIM support.])
2217 AC_MSG_RESULT(before 6)
2222 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2224 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2225 if test "${with_rsvg}" != "no"; then
2226 RSVG_REQUIRED=2.11.0
2227 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2229 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2230 AC_SUBST(RSVG_CFLAGS)
2233 if test $HAVE_RSVG = yes; then
2234 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2235 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2236 # Windows loads librsvg dynamically
2237 if test "${opsys}" = "mingw32"; then
2245 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2246 if test "${with_imagemagick}" != "no"; then
2247 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2248 ## 6.8.2 makes Emacs crash; see Bug#13867.
2249 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2250 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2251 AC_SUBST(IMAGEMAGICK_CFLAGS)
2252 AC_SUBST(IMAGEMAGICK_LIBS)
2254 if test $HAVE_IMAGEMAGICK = yes; then
2255 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2258 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2259 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2260 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2270 gtk_term_header=$term_header
2273 if test "${opsys}" != "mingw32"; then
2274 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2277 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2279 dnl Checks for libraries.
2280 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2281 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2282 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2283 AC_MSG_ERROR($GTK_PKG_ERRORS)
2285 if test "$pkg_check_gtk" = "yes"; then
2286 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2287 GTK_OBJ=emacsgtkfixed.o
2288 gtk_term_header=gtkutil.h
2289 USE_GTK_TOOLKIT="GTK3"
2290 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2291 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2292 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2293 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2294 [Define to 1 to disable Glib deprecation warnings.])
2298 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2302 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2305 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2307 dnl Checks for libraries.
2308 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2309 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2310 if test "$pkg_check_gtk" = "no" &&
2311 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2313 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2315 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2322 if test x"$pkg_check_gtk" = xyes; then
2325 CFLAGS="$CFLAGS $GTK_CFLAGS"
2326 LIBS="$GTK_LIBS $LIBS"
2327 dnl Try to compile a simple GTK program.
2328 AC_MSG_CHECKING([whether GTK compiles])
2332 [[/* Check the Gtk and Glib APIs. */
2333 #include <gtk/gtk.h>
2334 #include <glib-object.h>
2336 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2340 GtkSettings *gs = 0;
2341 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2342 strict C prohibits this. Use gtk_main_iteration to test that the
2343 libraries are there. */
2344 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2345 0, 0, 0, G_CALLBACK (callback), 0))
2346 gtk_main_iteration ();
2349 AC_MSG_RESULT([$GTK_COMPILES])
2350 if test "${GTK_COMPILES}" != "yes"; then
2352 if test "$USE_X_TOOLKIT" != "maybe"; then
2353 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2356 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2358 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2359 GTK_OBJ="gtkutil.o $GTK_OBJ"
2360 term_header=$gtk_term_header
2362 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2365 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2366 closing open displays. This is no problem if you just use
2367 one display, but if you use more than one and close one of them
2377 if test "${HAVE_GTK}" = "yes"; then
2379 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2380 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2381 if test "$with_toolkit_scroll_bars" != no; then
2382 with_toolkit_scroll_bars=yes
2385 dnl Check if we have the old file selection dialog declared and
2386 dnl in the link library. In 2.x it may be in the library,
2387 dnl but not declared if deprecated featured has been selected out.
2388 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2389 HAVE_GTK_FILE_SELECTION=no
2390 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2391 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2392 #include <gtk/gtk.h>])
2393 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2394 AC_CHECK_FUNCS(gtk_file_selection_new)
2397 dnl Same as above for gtk_handle_box.
2398 HAVE_GTK_HANDLE_BOX=no
2399 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2400 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2401 #include <gtk/gtk.h>])
2402 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2403 AC_CHECK_FUNCS(gtk_handle_box_new)
2406 dnl Same as above for gtk_tearoff_menu_item.
2407 HAVE_GTK_TEAROFF_MENU_ITEM=no
2408 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2409 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2410 #include <gtk/gtk.h>])
2411 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2412 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2415 dnl Check for functions introduced in 2.14 and later.
2416 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2417 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2418 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2419 gtk_orientable_set_orientation \
2420 gtk_window_set_has_resize_grip)
2422 term_header=gtkutil.h
2428 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2429 dnl other platforms.
2432 if test "${with_dbus}" = "yes"; then
2433 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2434 if test "$HAVE_DBUS" = yes; then
2435 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2436 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2437 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2440 LIBS="$LIBS $DBUS_LIBS"
2441 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2442 dbus_type_is_valid \
2443 dbus_validate_bus_name \
2444 dbus_validate_path \
2445 dbus_validate_interface \
2446 dbus_validate_member)
2451 AC_SUBST(DBUS_CFLAGS)
2455 dnl GSettings has been tested under GNU/Linux only.
2457 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2458 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2459 if test "$HAVE_GSETTINGS" = "yes"; then
2461 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2463 LIBS="$LIBS $GSETTINGS_LIBS"
2464 AC_MSG_CHECKING([whether GSettings is in gio])
2467 [[/* Check that gsettings really is present. */
2468 #include <glib-object.h>
2469 #include <gio/gio.h>
2472 GSettings *settings;
2473 GVariant *val = g_settings_get_value (settings, "");
2475 [], HAVE_GSETTINGS=no)
2476 AC_MSG_RESULT([$HAVE_GSETTINGS])
2478 if test "$HAVE_GSETTINGS" = "yes"; then
2479 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2480 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2481 SETTINGS_LIBS="$GSETTINGS_LIBS"
2488 dnl GConf has been tested under GNU/Linux only.
2489 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2491 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2492 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2493 if test "$HAVE_GCONF" = yes; then
2494 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2495 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2496 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2497 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2501 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2502 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2503 if test "$HAVE_GOBJECT" = "yes"; then
2504 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2505 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2507 SAVE_CFLAGS="$CFLAGS"
2509 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2510 LIBS="$SETTINGS_LIBS $LIBS"
2511 CFLAGS="$SAVE_CFLAGS"
2514 AC_SUBST(SETTINGS_CFLAGS)
2515 AC_SUBST(SETTINGS_LIBS)
2518 dnl SELinux is available for GNU/Linux only.
2521 if test "${with_selinux}" = "yes"; then
2522 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2523 if test "$HAVE_LIBSELINUX" = yes; then
2524 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2525 LIBSELINUX_LIBS=-lselinux
2528 AC_SUBST(LIBSELINUX_LIBS)
2532 if test "${with_gnutls}" = "yes" ; then
2533 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
2534 [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
2535 if test "${HAVE_GNUTLS3}" = "yes"; then
2536 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2539 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2540 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2542 if test "${HAVE_GNUTLS}" = "yes"; then
2543 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2546 # Windows loads GnuTLS dynamically
2547 if test "${opsys}" = "mingw32"; then
2552 AC_SUBST(LIBGNUTLS_LIBS)
2553 AC_SUBST(LIBGNUTLS_CFLAGS)
2558 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2559 dnl a particular library. This doesn't make much sense?
2560 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2561 with_file_notification=no
2564 dnl MS Windows native file monitor is available for mingw32 only.
2565 case $with_file_notification,$opsys in
2566 w32,* | yes,mingw32)
2567 AC_CHECK_HEADER(windows.h)
2568 if test "$ac_cv_header_windows_h" = yes ; then
2569 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2570 NOTIFY_OBJ=w32notify.o
2571 NOTIFY_SUMMARY="yes (w32)"
2575 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2576 dnl has been added in glib 2.24. It has been tested under
2577 dnl GNU/Linux only. We take precedence over inotify, but this makes
2578 dnl only sense when glib has been compiled with inotify support. How
2580 case $with_file_notification,$NOTIFY_OBJ in
2582 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2583 if test "$HAVE_GFILENOTIFY" = "yes"; then
2584 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2585 NOTIFY_OBJ=gfilenotify.o
2586 NOTIFY_SUMMARY="yes -lgio (gfile)"
2590 dnl inotify is only available on GNU/Linux.
2591 case $with_file_notification,$NOTIFY_OBJ in
2593 AC_CHECK_HEADER(sys/inotify.h)
2594 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2595 AC_CHECK_FUNC(inotify_init1)
2596 if test "$ac_cv_func_inotify_init1" = yes; then
2597 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2598 NOTIFY_OBJ=inotify.o
2599 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2604 case $with_file_notification,$NOTIFY_OBJ in
2605 yes,* | no,* | *,?*) ;;
2606 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2609 if test -n "$NOTIFY_OBJ"; then
2610 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2612 AC_SUBST(NOTIFY_OBJ)
2613 AC_SUBST(GFILENOTIFY_CFLAGS)
2614 AC_SUBST(GFILENOTIFY_LIBS)
2616 dnl Do not put whitespace before the #include statements below.
2617 dnl Older compilers (eg sunos4 cc) choke on it.
2620 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2621 if test "$with_xaw3d" != no; then
2622 AC_CACHE_VAL(emacs_cv_xaw3d,
2623 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2624 #include <X11/Intrinsic.h>
2625 #include <X11/Xaw3d/Simple.h>]],
2627 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2628 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2629 emacs_cv_xaw3d=no)])
2633 if test $emacs_cv_xaw3d = yes; then
2634 AC_MSG_CHECKING(for xaw3d)
2635 AC_MSG_RESULT([yes; using Lucid toolkit])
2639 AC_DEFINE(HAVE_XAW3D, 1,
2640 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2642 AC_MSG_CHECKING(for xaw3d)
2644 AC_MSG_CHECKING(for libXaw)
2645 AC_CACHE_VAL(emacs_cv_xaw,
2646 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2647 #include <X11/Intrinsic.h>
2648 #include <X11/Xaw/Simple.h>]],
2652 if test $emacs_cv_xaw = yes; then
2653 AC_MSG_RESULT([yes; using Lucid toolkit])
2656 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2657 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2659 AC_MSG_ERROR([No X toolkit could be found.
2660 If you are sure you want Emacs compiled without an X toolkit, pass
2662 to configure. Otherwise, install the development libraries for the toolkit
2663 that you want to use (e.g. Gtk+) and re-run configure.])
2668 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2672 if test "${USE_X_TOOLKIT}" != "none"; then
2673 AC_MSG_CHECKING(X11 toolkit version)
2674 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2675 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2676 [[#if XtSpecificationRelease < 6
2679 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2680 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2681 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2682 AC_MSG_RESULT(6 or newer)
2683 AC_DEFINE(HAVE_X11XTR6, 1,
2684 [Define to 1 if you have the X11R6 or newer version of Xt.])
2685 LIBXTR6="-lSM -lICE"
2687 ## Use libw.a along with X11R6 Xt.
2688 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2691 AC_MSG_RESULT(before 6)
2694 dnl If using toolkit, check whether libXmu.a exists.
2695 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2697 if test x$HAVE_X11XTR6 = xyes; then
2698 OTHERLIBS='-lXt -lSM -lICE'
2702 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2703 if test "X$LIBS" != "X$OLDLIBS"; then
2704 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2707 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2713 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2714 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2715 if test -d /usr/include/openmotif; then
2716 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2717 emacs_cv_openmotif=yes
2718 case "$canonical" in
2719 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2720 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2723 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2726 emacs_cv_openmotif=no
2728 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2729 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2730 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2733 Motif version prior to 2.1.
2735 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2736 if test $emacs_cv_motif_version_2_1 = yes; then
2737 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2738 if test x$emacs_cv_openmotif = xyes; then
2739 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2742 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2743 # We put this in CFLAGS temporarily to precede other -I options
2744 # that might be in CFLAGS temporarily.
2745 # We put this in CPPFLAGS where it precedes the other -I options.
2746 OLD_CPPFLAGS=$CPPFLAGS
2748 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2749 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2750 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2752 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2753 if test $emacs_cv_lesstif = yes; then
2754 # Make sure this -I option remains in CPPFLAGS after it is set
2755 # back to REAL_CPPFLAGS.
2756 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2757 # have those other -I options anyway. Ultimately, having this
2758 # directory ultimately in CPPFLAGS will be enough.
2759 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2760 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2763 CPPFLAGS=$OLD_CPPFLAGS
2766 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2767 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2770 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2771 dnl using Motif or Xaw3d is available, and unless
2772 dnl --with-toolkit-scroll-bars=no was specified.
2774 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2775 [Define to 1 if we should use toolkit scroll bars.])dnl
2776 USE_TOOLKIT_SCROLL_BARS=no
2777 if test "${with_toolkit_scroll_bars}" != "no"; then
2778 if test "${USE_X_TOOLKIT}" != "none"; then
2779 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2780 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2782 USE_TOOLKIT_SCROLL_BARS=yes
2783 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2784 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2785 USE_TOOLKIT_SCROLL_BARS=yes
2787 elif test "${HAVE_GTK}" = "yes"; then
2788 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2789 USE_TOOLKIT_SCROLL_BARS=yes
2790 elif test "${HAVE_NS}" = "yes"; then
2791 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2792 USE_TOOLKIT_SCROLL_BARS=yes
2793 elif test "${HAVE_W32}" = "yes"; then
2794 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2795 USE_TOOLKIT_SCROLL_BARS=yes
2799 dnl See if XIM is available.
2800 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2801 #include <X11/Xlib.h>
2802 #include <X11/Xresource.h>]],
2803 [[XIMProc callback;]])],
2805 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2808 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2810 if test "${with_xim}" != "no"; then
2811 AC_DEFINE(USE_XIM, 1,
2812 [Define to 1 if we should use XIM, if it is available.])
2816 if test "${HAVE_XIM}" != "no"; then
2818 if test "$GCC" = yes; then
2819 CFLAGS="$CFLAGS --pedantic-errors"
2821 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2822 #include <X11/Xlib.h>
2823 #include <X11/Xresource.h>]],
2829 XPointer *client_data;
2831 /* If we're not using GCC, it's probably not XFree86, and this is
2832 probably right, but we can't use something like --pedantic-errors. */
2833 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2834 char*, XIMProc, XPointer*);
2836 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2838 [emacs_cv_arg6_star=yes])
2839 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2840 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2841 either XPointer or XPointer*.])dnl
2842 if test "$emacs_cv_arg6_star" = yes; then
2843 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2845 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2850 ### Start of font-backend (under any platform) section.
2851 # (nothing here yet -- this is a placeholder)
2852 ### End of font-backend (under any platform) section.
2854 ### Start of font-backend (under X11) section.
2855 if test "${HAVE_X11}" = "yes"; then
2856 ## Use -lXft if available, unless `--with-xft=no'.
2858 if test "x${with_x}" = "xno"; then
2862 if test "$with_xft" != no; then
2863 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2864 with_xft=$HAVE_FONTCONFIG
2867 if test "x${with_xft}" != "xno"; then
2869 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2870 ## Because xftfont.c uses XRenderQueryExtension, we also
2871 ## need to link to -lXrender.
2873 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2874 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2875 OLD_CPPFLAGS="$CPPFLAGS"
2876 OLD_CFLAGS="$CFLAGS"
2878 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2879 CFLAGS="$CFLAGS $XFT_CFLAGS"
2880 XFT_LIBS="-lXrender $XFT_LIBS"
2881 LIBS="$XFT_LIBS $LIBS"
2882 AC_CHECK_HEADER(X11/Xft/Xft.h,
2883 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2884 [[#include <X11/X.h>]])
2886 if test "${HAVE_XFT}" = "yes"; then
2887 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2889 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2890 fi # "${HAVE_XFT}" = "yes"
2891 CPPFLAGS=$OLD_CPPFLAGS
2894 fi # "$HAVE_XFT" != no
2895 fi # "x${with_xft}" != "xno"
2897 ## We used to allow building with FreeType and without Xft.
2898 ## However, the ftx font backend driver is not in good shape.
2899 if test "$HAVE_XFT" != "yes"; then
2900 dnl For the "Does Emacs use" message at the end.
2904 dnl Strict linkers fail with
2905 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2906 dnl if -lfreetype is not specified.
2907 dnl The following is needed to set FREETYPE_LIBS.
2908 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2910 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2914 if test "${HAVE_FREETYPE}" = "yes"; then
2915 AC_DEFINE(HAVE_FREETYPE, 1,
2916 [Define to 1 if using the freetype and fontconfig libraries.])
2917 if test "${with_libotf}" != "no"; then
2918 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2919 if test "$HAVE_LIBOTF" = "yes"; then
2920 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2921 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2922 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2923 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2924 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2925 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2926 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2930 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2931 dnl Does the new font backend require it, or can it work without it?
2935 if test "${HAVE_LIBOTF}" = yes; then
2936 if test "${with_m17n_flt}" != "no"; then
2937 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
2938 if test "$HAVE_M17N_FLT" = "yes"; then
2939 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2950 ### End of font-backend (under X11) section.
2952 AC_SUBST(FREETYPE_CFLAGS)
2953 AC_SUBST(FREETYPE_LIBS)
2954 AC_SUBST(FONTCONFIG_CFLAGS)
2955 AC_SUBST(FONTCONFIG_LIBS)
2956 AC_SUBST(LIBOTF_CFLAGS)
2957 AC_SUBST(LIBOTF_LIBS)
2958 AC_SUBST(M17N_FLT_CFLAGS)
2959 AC_SUBST(M17N_FLT_LIBS)
2961 ### Use -lXpm if available, unless `--with-xpm=no'.
2962 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2965 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2966 if test "${with_xpm}" != "no"; then
2967 SAVE_CPPFLAGS="$CPPFLAGS"
2968 SAVE_LDFLAGS="$LDFLAGS"
2969 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2970 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2971 AC_CHECK_HEADER(X11/xpm.h,
2972 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2973 if test "${HAVE_XPM}" = "yes"; then
2974 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2975 AC_EGREP_CPP(no_return_alloc_pixels,
2976 [#include "X11/xpm.h"
2977 #ifndef XpmReturnAllocPixels
2978 no_return_alloc_pixels
2980 ], HAVE_XPM=no, HAVE_XPM=yes)
2982 if test "${HAVE_XPM}" = "yes"; then
2983 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2987 CPPFLAGS="$SAVE_CPPFLAGS"
2988 LDFLAGS="$SAVE_LDFLAGS"
2993 if test "${HAVE_XPM}" = "yes"; then
2994 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2999 if test "${HAVE_X11}" = "yes"; then
3000 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3001 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3003 if test "${with_xpm}" != "no"; then
3004 AC_CHECK_HEADER(X11/xpm.h,
3005 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3006 if test "${HAVE_XPM}" = "yes"; then
3007 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3008 AC_EGREP_CPP(no_return_alloc_pixels,
3009 [#include "X11/xpm.h"
3010 #ifndef XpmReturnAllocPixels
3011 no_return_alloc_pixels
3013 ], HAVE_XPM=no, HAVE_XPM=yes)
3015 if test "${HAVE_XPM}" = "yes"; then
3023 if test "${HAVE_XPM}" = "yes"; then
3024 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3026 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3027 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3032 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3033 ### slightly different requirements wrt image libraries (it doesn't
3034 ### use -lXpm because it loads the xpm shared library dynamically at
3036 if test "${opsys}" = "mingw32"; then
3037 if test "${with_xpm}" != "no"; then
3038 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3042 if test "${HAVE_XPM}" = "yes"; then
3043 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3049 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3050 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3053 if test "${opsys}" = "mingw32"; then
3054 if test "${with_jpeg}" != "no"; then
3055 dnl Checking for jpeglib.h can lose because of a redefinition of
3057 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3059 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3060 if test "${HAVE_JPEG}" = "yes"; then
3061 AC_DEFINE(HAVE_JPEG)
3062 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3063 [#include <jpeglib.h>
3064 version=JPEG_LIB_VERSION
3066 [AC_DEFINE(HAVE_JPEG)],
3067 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3070 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3071 if test "${with_jpeg}" != "no"; then
3072 dnl Checking for jpeglib.h can lose because of a redefinition of
3074 AC_CHECK_HEADER(jerror.h,
3075 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3078 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3079 if test "${HAVE_JPEG}" = "yes"; then
3080 AC_DEFINE(HAVE_JPEG)
3081 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3082 [#include <jpeglib.h>
3083 version=JPEG_LIB_VERSION
3085 [AC_DEFINE(HAVE_JPEG)],
3086 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3089 if test "${HAVE_JPEG}" = "yes"; then
3097 if test "${with_zlib}" != "no"; then
3099 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3101 case $ac_cv_search_inflateEnd in
3102 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3105 if test "${HAVE_ZLIB}" = "yes"; then
3106 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3107 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3108 if test "${opsys}" = "mingw32"; then
3114 ### Use -lpng if available, unless `--with-png=no'.
3118 if test "${NS_IMPL_COCOA}" = yes; then
3120 elif test "${with_png}" != no; then
3121 # mingw32 loads the library dynamically.
3122 if test "$opsys" = mingw32; then
3123 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3124 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3125 AC_MSG_CHECKING([for png])
3126 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3127 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3128 # libpng-config does not work; configure by hand.
3129 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3130 # in /usr/include/libpng.
3131 if test -r /usr/include/libpng/png.h &&
3132 test ! -r /usr/include/png.h; then
3133 png_cflags=-I/usr/include/libpng
3141 CFLAGS="$CFLAGS $png_cflags"
3142 LIBS="$png_libs -lz -lm $LIBS"
3144 [AC_LANG_PROGRAM([[#include <png.h>]],
3145 [[return !png_get_channels (0, 0);]])],
3147 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3149 # $LIBPNG requires explicit -lz in some cases.
3150 # We don't know what those cases are, exactly, so play it safe and
3151 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3152 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3153 LIBPNG="$LIBPNG -lz"
3157 AC_MSG_RESULT([$HAVE_PNG])
3160 if test $HAVE_PNG = yes; then
3161 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3164 CFLAGS="$CFLAGS $PNG_CFLAGS"
3165 AC_CHECK_DECL([png_longjmp],
3167 [AC_DEFINE([PNG_DEPSTRUCT], [],
3168 [Define to empty to suppress deprecation warnings when building
3169 with --enable-gcc-warnings and with libpng versions before 1.5,
3170 which lack png_longjmp.])],
3176 AC_SUBST(PNG_CFLAGS)
3178 ### Use -ltiff if available, unless `--with-tiff=no'.
3179 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3182 if test "${opsys}" = "mingw32"; then
3183 if test "${with_tiff}" != "no"; then
3184 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3186 if test "${HAVE_TIFF}" = "yes"; then
3187 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3189 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3190 if test "${with_tiff}" != "no"; then
3191 AC_CHECK_HEADER(tiffio.h,
3193 # At least one tiff package requires the jpeg library.
3194 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3195 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3198 if test "${HAVE_TIFF}" = "yes"; then
3199 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3200 dnl FIXME -lz -lm, as per libpng?
3206 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3207 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3210 if test "${opsys}" = "mingw32"; then
3211 if test "${with_gif}" != "no"; then
3212 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3214 if test "${HAVE_GIF}" = "yes"; then
3215 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3217 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3218 || test "${HAVE_W32}" = "yes"; then
3219 AC_CHECK_HEADER(gif_lib.h,
3220 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3221 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3222 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3223 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3225 if test "$HAVE_GIF" = yes; then
3227 elif test "$HAVE_GIF" = maybe; then
3228 # If gif_lib.h but no libgif, try libungif.
3229 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3230 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3233 if test "${HAVE_GIF}" = "yes"; then
3234 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3239 dnl Check for required libraries.
3240 if test "${HAVE_X11}" = "yes"; then
3243 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3244 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3245 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3246 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3247 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3248 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3249 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3250 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3251 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3252 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3254 if test "X${MISSING}" != X; then
3255 AC_MSG_ERROR([The following required libraries were not found:
3257 Maybe some development libraries/packages are missing?
3258 If you don't want to link with them give
3260 as options to configure])
3264 ### Use -lgpm if available, unless `--with-gpm=no'.
3267 if test "${with_gpm}" != "no"; then
3268 AC_CHECK_HEADER(gpm.h,
3269 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3271 if test "${HAVE_GPM}" = "yes"; then
3272 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3278 dnl Check for malloc/malloc.h on darwin
3279 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3282 ### Use NeXTstep API to implement GUI.
3283 if test "${HAVE_NS}" = "yes"; then
3284 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3285 if test "${NS_IMPL_COCOA}" = "yes"; then
3286 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3288 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3289 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3290 # See also .m.o rule in Makefile.in */
3291 # FIXME: are all these flags really needed? Document here why. */
3292 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3293 ## Extra CFLAGS applied to src/*.m files.
3294 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3299 ### Use session management (-lSM -lICE) if available
3302 if test "${HAVE_X11}" = "yes"; then
3303 AC_CHECK_HEADER(X11/SM/SMlib.h,
3304 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3306 if test "${HAVE_X_SM}" = "yes"; then
3307 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3313 ### Use XRandr (-lXrandr) if available
3315 if test "${HAVE_X11}" = "yes"; then
3316 XRANDR_REQUIRED=1.2.2
3317 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3318 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3319 if test $HAVE_XRANDR = no; then
3320 # Test old way in case pkg-config doesn't have it (older machines).
3321 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3322 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3323 if test $HAVE_XRANDR = yes; then
3324 XRANDR_LIBS=-lXrandr
3327 if test $HAVE_XRANDR = yes; then
3328 SAVE_CFLAGS="$CFLAGS"
3330 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3331 LIBS="$XRANDR_LIBS $LIBS"
3332 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3333 CFLAGS="$SAVE_CFLAGS"
3336 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3339 AC_SUBST(XRANDR_CFLAGS)
3340 AC_SUBST(XRANDR_LIBS)
3342 ### Use Xinerama (-lXinerama) if available
3344 if test "${HAVE_X11}" = "yes"; then
3345 XINERAMA_REQUIRED=1.0.2
3346 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3347 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3348 if test $HAVE_XINERAMA = no; then
3349 # Test old way in case pkg-config doesn't have it (older machines).
3350 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3351 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3352 if test $HAVE_XINERAMA = yes; then
3353 XINERAMA_LIBS=-lXinerama
3356 if test $HAVE_XINERAMA = yes; then
3357 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3360 AC_SUBST(XINERAMA_CFLAGS)
3361 AC_SUBST(XINERAMA_LIBS)
3363 ### Use Xfixes (-lXfixes) if available
3365 if test "${HAVE_X11}" = "yes"; then
3366 XFIXES_REQUIRED=4.0.0
3367 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3368 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3369 if test $HAVE_XFIXES = no; then
3370 # Test old way in case pkg-config doesn't have it (older machines).
3371 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3372 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3373 if test $HAVE_XFIXES = yes; then
3374 XFIXES_LIBS=-lXfixes
3377 if test $HAVE_XFIXES = yes; then
3378 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3381 AC_SUBST(XFIXES_CFLAGS)
3382 AC_SUBST(XFIXES_LIBS)
3384 ### Use libxml (-lxml2) if available
3385 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3387 if test "${with_xml2}" != "no"; then
3388 ### I'm not sure what the version number should be, so I just guessed.
3389 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3390 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3391 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3392 SAVE_CPPFLAGS="$CPPFLAGS"
3393 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3394 AC_CHECK_HEADER(libxml/HTMLparser.h,
3395 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3396 [#include <libxml/HTMLparser.h>])])
3397 CPPFLAGS="$SAVE_CPPFLAGS"
3398 if test "${HAVE_LIBXML2}" = "yes"; then
3399 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3400 LIBXML2_LIBS="-lxml2"
3403 if test "${HAVE_LIBXML2}" = "yes"; then
3404 if test "${opsys}" != "mingw32"; then
3405 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3410 if test "${HAVE_LIBXML2}" = "yes"; then
3411 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3418 AC_SUBST(LIBXML2_LIBS)
3419 AC_SUBST(LIBXML2_CFLAGS)
3421 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3422 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3423 if test "${opsys}" = "mingw32"; then
3424 emacs_cv_netdb_declares_h_errno=yes
3426 AC_CACHE_CHECK(whether netdb declares h_errno,
3427 emacs_cv_netdb_declares_h_errno,
3428 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3429 [[return h_errno;]])],
3430 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3431 if test $emacs_cv_netdb_declares_h_errno = yes; then
3432 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3435 # Check for mail-locking functions in a "mail" library. Probably this should
3436 # have the same check as for liblockfile below.
3437 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3438 if test $have_mail = yes; then
3440 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3443 LIBS="$LIBS_MAIL $LIBS"
3444 AC_CHECK_FUNCS(touchlock)
3449 dnl Debian, at least:
3450 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3451 if test $have_lockfile = yes; then
3452 LIBS_MAIL=-llockfile
3453 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3455 # If we have the shared liblockfile, assume we must use it for mail
3456 # locking (e.g. Debian). If we couldn't link against liblockfile
3457 # (no liblockfile.a installed), ensure that we don't need to.
3458 dnl This works for files generally, not just executables.
3459 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3460 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3461 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3462 if test $ac_cv_prog_liblockfile = yes; then
3463 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3464 This probably means that movemail could lose mail.
3465 There may be a `development' package to install containing liblockfile.])
3468 AC_CHECK_HEADERS_ONCE(maillock.h)
3471 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3472 ## interlock access to the mail spool. The alternative is a lock file named
3473 ## /usr/spool/mail/$USER.lock.
3476 aix4-2) mail_lock="lockf" ;;
3478 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3480 ## On GNU/Linux systems, both methods are used by various mail programs.
3481 ## I assume most people are using newer mailers that have heard of flock.
3482 ## Change this if you need to.
3483 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3484 ## configure gets the right answers, and that means *NOT* using flock.
3485 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3486 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3487 ## Debian maintainer hasn't provided a clean fix for Emacs.
3488 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3489 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3490 ## correct logic. -- fx
3491 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3492 ## liblockfile is a Free Software replacement for libmail, used on
3493 ## Debian systems and elsewhere. -rfr.
3496 if test $have_mail = yes || test $have_lockfile = yes; then
3497 test $ac_cv_header_maillock_h = yes && mail_lock=no
3502 mail_lock="none-needed" ;;
3506 case "$mail_lock" in
3507 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3509 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3513 *) BLESSMAIL_TARGET="need-blessmail" ;;
3515 AC_SUBST(BLESSMAIL_TARGET)
3518 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3519 AC_CHECK_FUNCS(accept4 gethostname \
3520 getrusage get_current_dir_name \
3521 lrand48 random rint \
3522 select getpagesize setlocale \
3523 getrlimit setrlimit shutdown getaddrinfo \
3524 pthread_sigmask strsignal setitimer \
3525 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3527 getpwent endpwent getgrent endgrent \
3528 cfmakeraw cfsetspeed copysign __executable_start log2)
3531 dnl No need to check for aligned_alloc and posix_memalign if using
3532 dnl gmalloc.o, as it supplies them. Don't use these functions on
3533 dnl Darwin as they are incompatible with unexmacosx.c.
3534 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3535 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3538 dnl Cannot use AC_CHECK_FUNCS
3539 AC_CACHE_CHECK([for __builtin_unwind_init],
3540 emacs_cv_func___builtin_unwind_init,
3541 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3542 emacs_cv_func___builtin_unwind_init=yes,
3543 emacs_cv_func___builtin_unwind_init=no)])
3544 if test $emacs_cv_func___builtin_unwind_init = yes; then
3545 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3546 [Define to 1 if you have the `__builtin_unwind_init' function.])
3549 AC_CHECK_HEADERS_ONCE(sys/un.h)
3554 AC_CHECK_FUNCS(grantpt)
3556 # PTY-related GNU extensions.
3557 AC_CHECK_FUNCS(getpt posix_openpt)
3559 # Check this now, so that we will NOT find the above functions in ncurses.
3560 # That is because we have not set up to link ncurses in lib-src.
3561 # It's better to believe a function is not available
3562 # than to expect to find it in ncurses.
3563 # Also we need tputs and friends to be able to build at all.
3564 AC_MSG_CHECKING([for library containing tputs])
3565 # Run a test program that contains a call to tputs, a call that is
3566 # never executed. This tests whether a pre-'main' dynamic linker
3567 # works with the library. It's too much trouble to actually call
3568 # tputs in the test program, due to portability hassles. When
3569 # cross-compiling, assume the test program will run if it links.
3570 AC_DEFUN([tputs_link_source], [
3572 [[extern void tputs (const char *, int, int (*)(int));
3573 int main (int argc, char **argv)
3576 tputs (argv[0], 0, 0);
3580 if test "${opsys}" = "mingw32"; then
3583 # Maybe curses should be tried earlier?
3584 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3585 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3587 if test -z "$tputs_library"; then
3591 LIBS_TERMCAP=-l$tputs_library
3593 LIBS="$LIBS_TERMCAP $LIBS"
3595 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3596 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3598 if test "X$msg" != Xno; then
3603 AC_MSG_RESULT([$msg])
3604 if test "X$msg" = Xno; then
3605 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3606 The following libraries were tried (in order):
3607 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3608 Please try installing whichever of these libraries is most appropriate
3609 for your system, together with its header files.
3610 For example, a libncurses-dev(el) or similar package.])
3613 ## Use termcap instead of terminfo?
3614 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3616 ## FIXME? In the cases below where we unconditionally set
3617 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3618 ## if that was found above to have tputs.
3619 ## Should we use the gnu* logic everywhere?
3621 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3622 ## The ncurses library has been moved out of the System framework in
3623 ## Mac OS X 10.2. So if configure detects it, set the command-line
3624 ## option to use it.
3625 darwin) LIBS_TERMCAP="-lncurses" ;;
3627 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3630 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3631 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3632 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3633 [[#if __FreeBSD_version < 400000
3636 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3638 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3640 if test $emacs_cv_freebsd_terminfo = yes; then
3641 LIBS_TERMCAP="-lncurses"
3644 LIBS_TERMCAP="-ltermcap"
3654 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3656 LIBS_TERMCAP="-ltermcap"
3660 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3662 ## hpux: Make sure we get select from libc rather than from libcurses
3663 ## because libcurses on HPUX 10.10 has a broken version of select.
3664 ## We used to use -lc -lcurses, but this may be cleaner.
3665 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3666 # set that way, now it uses the default). Isn't this a contradiction?
3667 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3671 TERMCAP_OBJ=tparam.o
3672 if test $TERMINFO = yes; then
3673 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3674 TERMCAP_OBJ=terminfo.o
3676 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3677 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3679 AC_SUBST(LIBS_TERMCAP)
3680 AC_SUBST(TERMCAP_OBJ)
3683 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3684 # On Darwin, res_init appears not to be useful: see bug#562 and
3685 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3688 if test $opsys != darwin; then
3690 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3691 #include <arpa/nameser.h>
3692 #include <resolv.h>]],
3693 [[return res_init();]])],
3694 have_res_init=yes, have_res_init=no)
3695 if test "$have_res_init" = no; then
3697 LIBS="$LIBS -lresolv"
3698 AC_MSG_CHECKING(for res_init with -lresolv)
3699 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3700 #include <arpa/nameser.h>
3701 #include <resolv.h>]],
3702 [[return res_init();]])],
3703 have_res_init=yes, have_res_init=no)
3704 AC_MSG_RESULT($have_res_init)
3705 if test "$have_res_init" = yes ; then
3711 if test "$have_res_init" = yes; then
3712 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3716 # Do we need the Hesiod library to provide the support routines?
3717 dnl FIXME? Should we be skipping this on Darwin too?
3719 if test "$with_hesiod" != no ; then
3720 # Don't set $LIBS here -- see comments above. FIXME which comments?
3721 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3722 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3723 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3724 if test "$resolv" = yes ; then
3729 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3730 hesiod=yes, :, $RESOLVLIB)])
3732 if test x"$hesiod" = xyes; then
3738 # Do we need libresolv (due to res_init or Hesiod)?
3739 if test "$resolv" = yes && test $opsys != darwin; then
3746 # These tell us which Kerberos-related libraries to use.
3753 if test "${with_kerberos}" != no; then
3755 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3756 if test $have_com_err = yes; then
3757 COM_ERRLIB=-lcom_err
3758 LIBS="$COM_ERRLIB $LIBS"
3760 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3761 if test $have_crypto = yes; then
3763 LIBS="$CRYPTOLIB $LIBS"
3765 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3766 if test $have_k5crypto = yes; then
3767 CRYPTOLIB=-lk5crypto
3768 LIBS="$CRYPTOLIB $LIBS"
3770 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3771 if test $have_krb5=yes; then
3773 LIBS="$KRB5LIB $LIBS"
3775 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3776 if test "${with_kerberos5}" = no; then
3777 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3778 if test $have_des425 = yes; then
3780 LIBS="$DESLIB $LIBS"
3782 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3783 if test $have_des = yes; then
3785 LIBS="$DESLIB $LIBS"
3788 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3789 if test $have_krb4 = yes; then
3791 LIBS="$KRB4LIB $LIBS"
3793 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3794 if test $have_krb = yes; then
3796 LIBS="$KRB4LIB $LIBS"
3801 if test "${with_kerberos5}" != no; then
3802 AC_CHECK_HEADERS(krb5.h,
3803 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3804 [#include <krb5.h>])])
3806 AC_CHECK_HEADERS(krb.h,,
3807 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3808 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3810 AC_CHECK_HEADERS(com_err.h)
3814 AC_SUBST(COM_ERRLIB)
3820 AC_CHECK_HEADERS(valgrind/valgrind.h)
3822 AC_CHECK_FUNCS_ONCE(tzset)
3823 AC_MSG_CHECKING(whether localtime caches TZ)
3824 AC_CACHE_VAL(emacs_cv_localtime_cache,
3825 [if test x$ac_cv_func_tzset = xyes; then
3826 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3827 char TZ_GMT0[] = "TZ=GMT0";
3828 char TZ_PST8[] = "TZ=PST8";
3831 time_t now = time ((time_t *) 0);
3832 int hour_GMT0, hour_unset;
3833 if (putenv (TZ_GMT0) != 0)
3835 hour_GMT0 = localtime (&now)->tm_hour;
3837 hour_unset = localtime (&now)->tm_hour;
3838 if (putenv (TZ_PST8) != 0)
3840 if (localtime (&now)->tm_hour == hour_GMT0)
3843 if (localtime (&now)->tm_hour != hour_unset)
3846 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3847 [# If we have tzset, assume the worst when cross-compiling.
3848 emacs_cv_localtime_cache=yes])
3850 # If we lack tzset, report that localtime does not cache TZ,
3851 # since we can't invalidate the cache if we don't have tzset.
3852 emacs_cv_localtime_cache=no
3854 AC_MSG_RESULT($emacs_cv_localtime_cache)
3855 if test $emacs_cv_localtime_cache = yes; then
3856 AC_DEFINE(LOCALTIME_CACHE, 1,
3857 [Define to 1 if localtime caches TZ.])
3861 AC_CHECK_FUNC(socket, , ok_so_far=no)
3862 if test $ok_so_far = yes; then
3863 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3865 if test $ok_so_far = yes; then
3866 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3868 if test $ok_so_far = yes; then
3869 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3870 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3871 [Define to 1 if you have inet sockets.])
3876 AC_CHECK_FUNCS(snprintf)
3878 dnl Check for glib. This differs from other library checks in that
3879 dnl Emacs need not link to glib unless some other library is already
3880 dnl linking to glib. Although glib provides no facilities that Emacs
3881 dnl needs for its own purposes, when glib is present Emacs needs to
3882 dnl use primitives like g_main_context_query to avoid clashing with
3883 dnl glib at a low level.
3885 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3889 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3890 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3891 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3892 LIBS="$LIBS $GFILENOTIFY_LIBS"
3893 AC_MSG_CHECKING([whether GLib is linked in])
3894 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3897 [[g_print ("Hello world");]])],
3900 AC_MSG_RESULT([$links_glib])
3901 if test "${links_glib}" = "yes"; then
3902 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3903 if test "$HAVE_NS" = no;then
3911 dnl Adapted from Haible's version.
3912 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3913 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3914 [[char* cs = nl_langinfo(CODESET);]])],
3915 emacs_cv_langinfo_codeset=yes,
3916 emacs_cv_langinfo_codeset=no)
3918 if test $emacs_cv_langinfo_codeset = yes; then
3919 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3920 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3925 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3926 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3927 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3928 if test "$emacs_cv_c_restrict_arr" = yes; then
3929 AC_DEFINE(__restrict_arr, __restrict,
3930 [Define to compiler's equivalent of C99 restrict keyword in array
3931 declarations. Define as empty for no equivalent.])
3934 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3935 dnl how the tty code is related to POSIX and/or other versions of termios.
3936 dnl The following looks like a useful start.
3938 dnl AC_SYS_POSIX_TERMIOS
3939 dnl if test $ac_cv_sys_posix_termios = yes; then
3940 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3941 dnl and macros for terminal control.])
3942 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3945 dnl Turned on June 1996 supposing nobody will mind it.
3946 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3947 if test "${opsys}" != "mingw32"; then
3948 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3949 in the full name stands for the login id.])
3952 dnl Everybody supports this, except MS.
3953 dnl Seems like the kind of thing we should be testing for, though.
3954 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3955 if test "${opsys}" != "mingw32"; then
3956 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3959 dnl Everybody supports this, except MS-DOS.
3960 dnl Seems like the kind of thing we should be testing for, though.
3961 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3962 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3963 4.2-compatible sockets.])
3965 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3967 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3968 a null file, or a data sink.])
3969 if test "${opsys}" = "mingw32"; then
3970 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3972 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3975 if test "${opsys}" = "mingw32"; then
3980 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3981 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3982 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3983 dnl decides that a command-line argument to be passed to a MinGW program
3984 dnl is a PATH-style list of directories. But that heuristics plays it
3985 dnl safe, and only does the replacement when it is _absolutely_ sure it
3986 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3987 dnl which breaks in-tree builds. So we do this manually instead.
3988 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3989 dnl be computed as ':' in MSYS Bash.
3992 dnl Everybody supports this, except MS-DOS.
3993 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3995 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3998 AC_DEFINE(DIRECTORY_SEP, ['/'],
3999 [Character that separates directories in a file name.])
4001 if test "${opsys}" = "mingw32"; then
4002 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4003 [Returns true if character is a device separator.])
4005 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4006 [Returns true if character is a directory separator.])
4008 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4009 [Returns true if character is any form of separator.])
4011 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4012 [Returns true if character is a device separator.])
4014 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4015 [Returns true if character is a directory separator.])
4017 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4018 [Returns true if character is any form of separator.])
4021 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4025 dnl Unfortunately without libXmu we cannot support EditRes.
4026 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4027 AC_DEFINE(NO_EDITRES, 1)
4032 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4033 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4034 AC_DEFINE(NO_EDITRES, 1)
4040 irix6-5 | sol2* | unixware )
4041 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4042 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4043 dnl need the constant to dimension an array. So wire in the appropriate
4045 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4049 emacs_broken_SIGIO=no
4052 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4053 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4054 hpux* | irix6-5 | openbsd | sol2* | unixware )
4055 emacs_broken_SIGIO=yes
4059 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4060 dnl the way this system works, libc functions that return malloced
4061 dnl memory use the libc malloc implementation. Calling xfree or
4062 dnl xrealloc on the results of such functions results in a crash.
4064 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4065 dnl but that does not currently work on this system.
4067 dnl It is possible to completely override the malloc implementation on
4068 dnl AIX, but that involves putting the malloc functions in a shared
4069 dnl library and setting the MALLOCTYPE environment variable to point to
4070 dnl that shared library.
4072 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4073 dnl to avoid a crash just use the Emacs implementation for that function.
4075 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4076 dnl of this file, so that we do not check for get_current_dir_name
4077 dnl on AIX. But that might be fragile if something else ends
4078 dnl up testing for get_current_dir_name as a dependency.
4079 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4080 get_current_dir_name should not be used.])
4084 dnl Circumvent a bug in FreeBSD. In the following sequence of
4085 dnl writes/reads on a PTY, read(2) returns bogus data:
4087 dnl write(2) 1022 bytes
4088 dnl write(2) 954 bytes, get EAGAIN
4089 dnl read(2) 1024 bytes in process_read_output
4090 dnl read(2) 11 bytes in process_read_output
4092 dnl That is, read(2) returns more bytes than have ever been written
4093 dnl successfully. The 1033 bytes read are the 1022 bytes written
4094 dnl successfully after processing (for example with CRs added if the
4095 dnl terminal is set up that way which it is here). The same bytes will
4096 dnl be seen again in a later read(2), without the CRs.
4097 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4098 work around an issue when reading from a PTY.])
4104 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4105 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4110 darwin | dragonfly | freebsd | netbsd | openbsd )
4111 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4112 close a pty to make it a controlling terminal (it is already a
4113 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4117 dnl FIXME Surely we can test for this rather than hard-code it.
4119 netbsd | openbsd) sound_device="/dev/audio" ;;
4120 *) sound_device="/dev/dsp" ;;
4124 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4125 [Name of the default sound device.])
4128 dnl Emacs can read input using SIGIO and buffering characters itself,
4129 dnl or using CBREAK mode and making C-g cause SIGINT.
4130 dnl The choice is controlled by the variable interrupt_input.
4132 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4134 dnl Emacs uses the presence of the USABLE_SIGIO macro
4135 dnl to indicate whether or not signal-driven I/O is possible. It uses
4136 dnl INTERRUPT_INPUT to decide whether to use it by default.
4138 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4139 dnl CBREAK mode has two disadvantages
4140 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4141 dnl I hear that in system V this problem does not exist.
4142 dnl 2) Control-G causes output to be discarded.
4143 dnl I do not know whether this can be fixed in system V.
4145 dnl Another method of doing input is planned but not implemented.
4146 dnl It would have Emacs fork off a separate process
4147 dnl to read the input and send it to the true Emacs process
4150 darwin | gnu-linux | gnu-kfreebsd )
4151 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4156 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4157 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4158 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4159 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4160 dnl taking float or double parameters.
4162 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4163 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4164 file defines `NeedWidePrototypes' as `NO'.])
4169 dnl Used in process.c, this must be a loop, even if it only runs once.
4170 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4171 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4172 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4173 dnl trying suffixes 0-16.
4174 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4175 first PTY, if PTYs are supported.])
4176 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4177 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4178 end of a PTY, if non-standard.])
4179 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4180 end of a PTY, if non-standard.])
4184 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4185 dnl You allocate a pty by opening /dev/ptc to get the master side.
4186 dnl To get the name of the slave side, you just ttyname() the master side.
4187 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4188 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4192 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4193 dnl multi-line AC_DEFINEs are hard. :(
4194 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)])
4195 AC_DEFINE(PTY_NAME_SPRINTF, [])
4196 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4199 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4201 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4202 dnl Not used, because PTY_ITERATION is defined.
4203 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4204 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4205 dnl But we don't have to block SIGCHLD because it is blocked in the
4206 dnl implementation of grantpt.
4207 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4208 AC_DEFINE(PTY_NAME_SPRINTF, [])
4209 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4213 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4216 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4218 if test "x$ac_cv_func_grantpt" = xyes; then
4219 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4220 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4221 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4222 dnl to prevent sigchld_handler from intercepting the child's death.
4223 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); }])
4224 dnl if HAVE_POSIX_OPENPT
4225 if test "x$ac_cv_func_posix_openpt" = xyes; then
4226 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4227 AC_DEFINE(PTY_NAME_SPRINTF, [])
4229 elif test "x$ac_cv_func_getpt" = xyes; then
4230 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4231 AC_DEFINE(PTY_NAME_SPRINTF, [])
4233 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4236 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4241 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4242 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4243 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4247 dnl It looks like this cannot be right, because it is not a loop.
4248 dnl However, process.c actually does this:
4254 dnl which presumably makes it OK, since irix == sgi (?).
4255 dnl FIXME it seems like this special treatment is unnecessary?
4256 dnl Why can't irix use a single-trip loop like eg cygwin?
4257 AC_DEFINE(PTY_ITERATION, [])
4258 dnl Not used, because PTY_ITERATION is defined.
4259 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4260 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); }])
4261 dnl No need to get the pty name at all.
4262 AC_DEFINE(PTY_NAME_SPRINTF, [])
4263 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4264 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4268 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4269 dnl from intercepting that death. If any child but grantpt's should die
4270 dnl within, it should be caught after sigrelse(2).
4271 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); }])
4275 dnl Comments are as per sol2*.
4276 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); }])
4283 dnl This change means that we don't loop through allocate_pty too
4284 dnl many times in the (rare) event of a failure.
4285 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4286 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4287 dnl Push various streams modules onto a PTY channel. Used in process.c.
4288 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.])
4293 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4294 "typing" a signal character on the pty.])
4297 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4298 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4299 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4300 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4303 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4304 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4305 gnu-linux | gnu-kfreebsd )
4307 AC_MSG_CHECKING([for signals via characters])
4308 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4309 #include <linux/version.h>
4310 #if LINUX_VERSION_CODE < 0x20400
4311 # error "Linux version too old"
4313 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4315 AC_MSG_RESULT([$emacs_signals_via_chars])
4316 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4321 AH_TEMPLATE(TAB3, [Undocumented.])
4324 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4326 gnu | dragonfly | freebsd | netbsd | openbsd )
4327 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4328 AC_DEFINE(TAB3, OXTABS)
4331 gnu-linux | gnu-kfreebsd )
4332 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4336 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4337 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4338 [Mark a secondary stack, like the register stack on the ia64.]), [])
4342 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4343 run_time_remap; for HPUX.])
4348 dnl This won't be used automatically yet. We also need to know, at least,
4349 dnl that the stack is continuous.
4350 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4351 registers relevant for conservative garbage collection in the jmp_buf.])
4355 dnl Not all the architectures are tested, but there are Debian packages
4356 dnl for SCM and/or Guile on them, so the technique must work. See also
4357 dnl comments in alloc.c concerning setjmp and gcc.
4358 dnl Fixme: it's probably safe to just use the GCC conditional below.
4359 gnu-linux | gnu-kfreebsd )
4360 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4361 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4362 || defined __alpha__ || defined __mips__ || defined __s390__ \
4363 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4364 || defined __ia64__ || defined __sh__
4367 # error "setjmp not known to work on this arch"
4369 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4374 if test x$GCC = xyes; then
4375 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4376 AC_DEFINE(GC_SETJMP_WORKS, 1)
4379 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4380 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4381 AC_DEFINE(GC_SETJMP_WORKS, 1)
4386 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4387 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4390 [[#include <setjmp.h>
4392 # define _longjmp longjmp
4397 _longjmp (j, 1);]])],
4398 [emacs_cv_func__setjmp=yes],
4399 [emacs_cv_func__setjmp=no])])
4400 if test $emacs_cv_func__setjmp = yes; then
4401 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4403 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4406 [[#include <setjmp.h>
4409 if (! sigsetjmp (j, 1))
4410 siglongjmp (j, 1);]])],
4411 [emacs_cv_func_sigsetjmp=yes],
4412 [emacs_cv_func_sigsetjmp=no])])
4413 if test $emacs_cv_func_sigsetjmp = yes; then
4414 AC_DEFINE([HAVE_SIGSETJMP], 1,
4415 [Define to 1 if sigsetjmp and siglongjmp work.
4416 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4422 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4423 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4424 dnl and this is all we need.
4425 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4432 dnl Used in xfaces.c.
4433 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4434 some systems, where it requires time.h.])
4439 dnl Define symbols to identify the version of Unix this is.
4440 dnl Define all the symbols that apply correctly.
4441 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4442 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4443 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4444 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4449 dnl This symbol should be defined on AIX Version 3 ???????
4450 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4452 # error "_AIX not defined"
4454 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4458 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4462 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4463 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4464 dnl distinguish OS X from pure Darwin.
4465 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4468 gnu-linux | gnu-kfreebsd )
4470 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4475 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4480 AC_DEFINE(USG5_4, [])
4481 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4485 AC_DEFINE(DOS_NT, [])
4486 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4487 if test "x$ac_enable_checking" != "x" ; then
4488 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4494 AC_DEFINE(USG5_4, [])
4495 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4500 AC_DEFINE(USG5_4, [])
4504 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4507 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4508 emacs_cv_usable_FIONREAD=no
4512 emacs_cv_usable_FIONREAD=yes
4517 [AC_LANG_PROGRAM([[#include <sys/types.h>
4518 #include <sys/ioctl.h>
4520 # include <sys/filio.h>
4523 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4524 [emacs_cv_usable_FIONREAD=yes],
4525 [emacs_cv_usable_FIONREAD=no])
4528 if test $emacs_cv_usable_FIONREAD = yes; then
4529 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4531 if test $emacs_broken_SIGIO = no; then
4532 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4534 [AC_LANG_PROGRAM([[#include <fcntl.h>
4537 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4538 [emacs_cv_usable_SIGIO=yes],
4539 [emacs_cv_usable_SIGIO=no])],
4540 [emacs_cv_usable_SIGIO=yes],
4541 [emacs_cv_usable_SIGIO=no])
4542 if test $emacs_cv_usable_SIGIO = yes; then
4543 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4550 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4551 dnl and on Cygwin prior to version 1.7.24 that becomes the
4552 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4553 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4554 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4555 dnl needed starting with cygwin-1.7.24, and it is no longer
4556 dnl effective starting with glib-2.36. */
4558 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4559 G_SLICE environment variable to "always-malloc" at startup.])
4563 dnl It works to open the pty's tty in the parent (Emacs), then
4564 dnl close and reopen it in the child.
4565 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4566 works to open a pty's tty in the parent process, then close and
4567 reopen it in the child.])
4571 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4572 use VSUSP instead of VSWTCH.])
4576 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4581 # Set up the CFLAGS for real compilation, so we can substitute it.
4582 CFLAGS="$REAL_CFLAGS"
4583 CPPFLAGS="$REAL_CPPFLAGS"
4586 ## Hack to detect a buggy GCC version.
4587 if test "x$GCC" = xyes \
4588 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4589 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4590 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4591 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4594 version=$PACKAGE_VERSION
4596 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4597 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4598 [Short copyright string for this version of Emacs.])
4601 ### Specify what sort of things we'll be editing into Makefile and config.h.
4602 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4604 AC_SUBST(configuration)
4609 AC_SUBST(exec_prefix)
4612 AC_SUBST(sharedstatedir)
4613 AC_SUBST(libexecdir)
4617 AC_SUBST(standardlisppath)
4618 AC_SUBST(locallisppath)
4620 AC_SUBST(x_default_search_path)
4622 AC_SUBST(archlibdir)
4627 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4628 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4629 ## end of LIBX_BASE, but nothing ever set it.
4630 AC_SUBST(LD_SWITCH_X_SITE)
4631 AC_SUBST(C_SWITCH_X_SITE)
4632 AC_SUBST(GNUSTEP_CFLAGS)
4634 ## Used in lwlib/Makefile.in.
4635 AC_SUBST(X_TOOLKIT_TYPE)
4637 AC_SUBST(ns_appbindir)
4638 AC_SUBST(ns_appresdir)
4640 AC_SUBST(GNU_OBJC_CFLAGS)
4641 AC_SUBST(OTHER_FILES)
4643 if test -n "${term_header}"; then
4644 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4645 [Define to the header for the built-in window system.])
4648 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4649 [Define to the canonical Emacs configuration name.])
4650 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4651 [Define to the options passed to configure.])
4652 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4653 define this to include extra configuration information.])
4657 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4664 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4665 AC_DEFINE(HAVE_X_WINDOWS, 1,
4666 [Define to 1 if you want to use the X window system.])
4668 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4670 if test "$HAVE_XFT" = "yes"; then
4671 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4672 elif test "$HAVE_FREETYPE" = "yes"; then
4673 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4683 if test "${USE_X_TOOLKIT}" != "none" ; then
4685 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4686 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4687 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4688 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4689 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4693 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4694 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4698 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4699 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4700 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4704 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4705 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4708 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4711 AC_SUBST(WIDGET_OBJ)
4714 case "$USE_X_TOOLKIT" in
4715 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4716 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4717 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4719 AC_SUBST(TOOLKIT_LIBW)
4721 if test "${opsys}" != "mingw32"; then
4722 if test "$USE_X_TOOLKIT" = "none"; then
4723 LIBXT_OTHER="\$(LIBXSM)"
4725 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4728 AC_SUBST(LIBXT_OTHER)
4730 if test "${HAVE_X11}" = "yes" ; then
4731 AC_DEFINE(HAVE_X11, 1,
4732 [Define to 1 if you want to use version 11 of X windows.])
4733 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4737 AC_SUBST(LIBX_OTHER)
4739 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4741 elif test "$USE_X_TOOLKIT" = none; then
4742 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4744 LIBXMENU='$(lwlibdir)/liblw.a'
4748 if test "${GNU_MALLOC}" = "yes" ; then
4749 AC_DEFINE(GNU_MALLOC, 1,
4750 [Define to 1 if you want to use the GNU memory allocator.])
4754 if test "${REL_ALLOC}" = "yes" ; then
4755 AC_DEFINE(REL_ALLOC, 1,
4756 [Define REL_ALLOC if you want to use the relocating allocator for
4759 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4761 AC_SUBST(RALLOC_OBJ)
4763 if test "$opsys" = "cygwin"; then
4764 CYGWIN_OBJ="sheap.o cygw32.o"
4765 ## Cygwin differs because of its unexec().
4767 POST_ALLOC_OBJ=lastfile.o
4768 elif test "$opsys" = "mingw32"; then
4771 POST_ALLOC_OBJ=lastfile.o
4774 PRE_ALLOC_OBJ=lastfile.o
4777 AC_SUBST(CYGWIN_OBJ)
4778 AC_SUBST(PRE_ALLOC_OBJ)
4779 AC_SUBST(POST_ALLOC_OBJ)
4781 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4782 dnl verbatim defined above. The tricky name is apropos, as this hack
4783 dnl makes Fortify go sour!
4784 AH_VERBATIM([FORTIFY_SOUR],
4785 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4786 The workaround disables some useful run-time checking, so it
4787 should be conditional to the platforms with the performance bug.
4788 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4789 #if defined __APPLE__ && defined __GNUC__
4790 # ifndef _DONT_USE_CTYPE_INLINE_
4791 # define _DONT_USE_CTYPE_INLINE_
4793 # ifndef _FORTIFY_SOURCE
4794 # define _FORTIFY_SOURCE 0
4799 # If user asks to omit features, disable optional features that gnulib
4800 # might otherwise enable.
4801 if test "$with_features" = no && test "$enable_acl" != yes; then
4805 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4806 # it temporarily reverts them to their pre-pkg-config values,
4807 # because gnulib needs to work with both src (which uses the
4808 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4809 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4810 # and it therefore needs to run in an environment where LIBS does not
4811 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4812 # for some package unrelated to lib-src.
4815 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4816 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4817 gl_ASSERT_NO_GNULIB_POSIXCHECK
4818 gl_ASSERT_NO_GNULIB_TESTS
4823 if test "${opsys}" = "mingw32"; then
4824 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4825 # Remove unneeded switches from the value of CC that goes to Makefiles
4826 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4830 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4833 ## The -headerpad option tells ld (see man page) to leave room at the
4834 ## end of the header for adding load commands. Needed for dumping.
4835 ## 0x690 is the total size of 30 segment load commands (at 56
4836 ## each); under Cocoa 31 commands are required.
4837 if test "$HAVE_NS" = "yes"; then
4838 libs_nsgui="-framework AppKit"
4839 if test "$NS_IMPL_COCOA" = "yes"; then
4840 libs_nsgui="$libs_nsgui -framework IOKit"
4847 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4849 ## This is here because src/Makefile.in did some extra fiddling around
4850 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4851 ## LD_SWITCH_SYSTEM_TEMACS instead,
4852 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4853 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4856 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4857 ## find X at run-time.
4858 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4859 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4860 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4861 ## had different values in configure (in ac_link) and src/Makefile.in.
4862 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4863 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4866 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4867 case "$canonical" in
4868 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4869 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4873 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4875 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4878 if test x$ac_enable_profiling != x ; then
4880 *freebsd | gnu-linux) ;;
4881 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4885 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4887 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4889 ## Common for all window systems
4890 if test "$window_system" != "none"; then
4891 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4892 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4893 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4896 AC_SUBST(WINDOW_SYSTEM_OBJ)
4898 AH_TOP([/* GNU Emacs site configuration template file.
4900 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4901 Free Software Foundation, Inc.
4903 This file is part of GNU Emacs.
4905 GNU Emacs is free software: you can redistribute it and/or modify
4906 it under the terms of the GNU General Public License as published by
4907 the Free Software Foundation, either version 3 of the License, or
4908 (at your option) any later version.
4910 GNU Emacs is distributed in the hope that it will be useful,
4911 but WITHOUT ANY WARRANTY; without even the implied warranty of
4912 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4913 GNU General Public License for more details.
4915 You should have received a copy of the GNU General Public License
4916 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4919 /* No code in Emacs #includes config.h twice, but some bits of code
4920 intended to work with other packages as well (like gmalloc.c)
4921 think they can include it as many times as they like. */
4922 #ifndef EMACS_CONFIG_H
4923 #define EMACS_CONFIG_H
4926 AH_BOTTOM([#include <conf_post.h>
4928 #endif /* EMACS_CONFIG_H */
4937 #### Report on what we decided to do.
4938 #### Report GTK as a toolkit, even if it doesn't use Xt.
4939 #### It makes printing result more understandable as using GTK sets
4940 #### toolkit_scroll_bars to yes by default.
4941 if test "${HAVE_GTK}" = "yes"; then
4942 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4945 if test $USE_ACL -ne 0; then
4946 ACL_SUMMARY="yes $LIB_ACL"
4952 Configured for \`${canonical}'.
4954 Where should the build process find the source code? ${srcdir}
4955 What compiler should emacs be built with? ${CC} ${CFLAGS}
4956 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4957 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4958 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4959 What window system should Emacs use? ${window_system}
4960 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4962 if test -n "${x_includes}"; then
4963 echo " Where do we find X Windows header files? ${x_includes}"
4965 echo " Where do we find X Windows header files? Standard dirs"
4967 if test -n "${x_libraries}"; then
4968 echo " Where do we find X Windows libraries? ${x_libraries}"
4970 echo " Where do we find X Windows libraries? Standard dirs"
4974 emacs_config_features=
4975 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
4976 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
4980 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
4981 *) eval val=\${HAVE_$opt} ;;
4983 test x"$val" = xno && continue
4984 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
4987 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
4988 [Summary of some of the main features enabled by configure.])
4990 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4991 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4992 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4993 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4994 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4995 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
4996 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4997 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4999 echo " Does Emacs support sound? ${HAVE_SOUND}"
5001 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5002 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5003 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5004 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5005 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5006 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5007 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5008 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5009 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5011 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5012 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5013 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5014 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5015 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5017 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5020 if test -n "${EMACSDATA}"; then
5021 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5023 if test -n "${EMACSDOC}"; then
5024 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5029 if test "$HAVE_NS" = "yes"; then
5031 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5032 The installed application will go to nextstep/Emacs.app and can be
5033 run or moved from there."
5034 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5035 echo "The application will be fully self-contained."
5037 echo "The lisp resources for the application will be installed under ${prefix}.
5038 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5039 to run if these resources are not installed."
5044 if test "${opsys}" = "cygwin"; then
5046 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5052 # Remove any trailing slashes in these variables.
5053 [test "${prefix}" != NONE &&
5054 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5055 test "${exec_prefix}" != NONE &&
5056 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5058 if test "$HAVE_NS" = "yes"; then
5059 if test "$NS_IMPL_GNUSTEP" = yes; then
5060 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5061 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5062 ns_check_file=Resources/Info-gnustep.plist
5064 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5065 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5066 ns_check_file=Contents/Info.plist
5068 AC_SUBST(ns_check_file)
5071 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5072 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5073 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5074 dnl (else you get "no `Makefile.am' found for any configure output").
5075 dnl This will work, but you get a config.status that is not quite right
5076 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5077 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5078 dnl it seems better to just live with the duplication.
5079 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5081 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5082 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5083 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5084 leim/Makefile nextstep/Makefile nt/Makefile])
5086 dnl test/ is not present in release tarfiles.
5087 opt_makefile=test/automated/Makefile
5089 if test -f "$srcdir/$opt_makefile.in"; then
5090 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5091 dnl Again, it's best not to use a variable. Though you can add
5092 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5093 AC_CONFIG_FILES([test/automated/Makefile])
5097 dnl The admin/ directory used to be excluded from tarfiles.
5098 if test -d $srcdir/admin; then
5099 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5100 AC_CONFIG_FILES([admin/unidata/Makefile])
5101 AC_CONFIG_FILES([admin/grammars/Makefile])
5105 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5107 AC_SUBST(SUBDIR_MAKEFILES_IN)
5109 dnl You might wonder (I did) why epaths.h is generated by running make,
5110 dnl rather than just letting configure generate it from epaths.in.
5111 dnl One reason is that the various paths are not fully expanded (see above);
5112 dnl eg gamedir=${prefix}/var/games/emacs.
5113 dnl Secondly, the GNU Coding standards require that one should be able
5114 dnl to run `make prefix=/some/where/else' and override the values set
5115 dnl by configure. This also explains the `move-if-change' test and
5116 dnl the use of force in the `epaths-force' rule in Makefile.in.
5117 AC_CONFIG_COMMANDS([src/epaths.h], [
5118 if test "${opsys}" = "mingw32"; then
5119 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5121 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5123 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5125 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5126 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5128 AC_CONFIG_COMMANDS([src/.gdbinit], [
5129 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5130 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5136 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])