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 if test $opsys = mingw32; then
1117 DOCMISC_W32=efaq-w32
1121 AC_SUBST(DOCMISC_W32)
1123 dnl Add our options to ac_link now, after it is set up.
1125 if test x$GCC = xyes; then
1126 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1127 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1129 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1130 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1133 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1134 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1135 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1136 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1137 dnl if not built to support GNU ld.
1139 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1140 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1141 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1142 dnl Eg "make LDFLAGS=... all" could run into problems,
1143 dnl http://bugs.debian.org/684788
1144 dnl * unnecessary, since temacs is the only thing that actually needs it.
1145 dnl Indeed this is where it was originally, prior to:
1146 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1147 late_LDFLAGS="$LDFLAGS"
1148 if test x$GCC = xyes; then
1149 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1151 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1154 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1156 AC_MSG_CHECKING([for -znocombreloc])
1157 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1158 [AC_MSG_RESULT(yes)],
1159 LDFLAGS_NOCOMBRELOC=
1160 [AC_MSG_RESULT(no)])
1162 LDFLAGS="$late_LDFLAGS"
1164 AC_CACHE_CHECK([whether addresses are sanitized],
1165 [emacs_cv_sanitize_address],
1168 [[#ifndef __has_feature
1169 #define __has_feature(f) 0
1171 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1173 error "Addresses are not sanitized.";
1176 [emacs_cv_sanitize_address=yes],
1177 [emacs_cv_sanitize_address=no])])
1179 dnl The function dump-emacs will not be defined and temacs will do
1180 dnl (load "loadup") automatically unless told otherwise.
1181 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1183 your-opsys-here) CANNOT_DUMP=yes ;;
1186 if test "$CANNOT_DUMP" = "yes"; then
1187 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1188 elif test "$emacs_cv_sanitize_address" = yes; then
1189 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1192 AC_SUBST(CANNOT_DUMP)
1195 UNEXEC_OBJ=unexelf.o
1197 # MSDOS uses unexcoff.o
1199 UNEXEC_OBJ=unexaix.o
1205 UNEXEC_OBJ=unexmacosx.o
1208 UNEXEC_OBJ=unexhp9k800.o
1211 UNEXEC_OBJ=unexw32.o
1214 # Use the Solaris dldump() function, called from unexsol.c, to dump
1215 # emacs, instead of the generic ELF dump code found in unexelf.c.
1216 # The resulting binary has a complete symbol table, and is better
1217 # for debugging and other observability tools (debuggers, pstack, etc).
1219 # If you encounter a problem using dldump(), please consider sending
1220 # a message to the OpenSolaris tools-linking mailing list:
1221 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1223 # It is likely that dldump() works with older Solaris too, but this has
1224 # not been tested, so for now this change is for Solaris 10 or newer.
1225 UNEXEC_OBJ=unexsol.o
1232 ## Let `ld' find image libs and similar things in /usr/local/lib.
1233 ## The system compiler, GCC, has apparently been modified to not
1234 ## look there, contrary to what a stock GCC would do.
1235 ### It's not our place to do this. See bug#10313#17.
1236 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1241 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1242 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1246 ### It's not our place to do this. See bug#10313#17.
1247 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1252 ## Han Boetes <han@boetes.org> says this is necessary,
1253 ## otherwise Emacs dumps core on elf systems.
1254 LD_SWITCH_SYSTEM="-Z"
1257 AC_SUBST(LD_SWITCH_SYSTEM)
1259 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1261 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1262 ## which has not been defined yet. When this was handled with cpp,
1263 ## it was expanded to null when configure sourced the s/*.h file.
1264 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1265 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1266 ## (or somesuch), but because it is supposed to go at the _front_
1267 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1268 ## Compare with the gnu-linux case below, which added to the end
1269 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1270 ## LD_SWITCH_SYSTEM_TEMACS.
1273 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1280 AC_CHECK_DECL([__ELF__])
1281 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1282 ## With ELF, make sure that all common symbols get allocated to in the
1283 ## data section. Otherwise, the dump of temacs may miss variables in
1284 ## the shared library that have been initialized. For example, with
1285 ## GNU libc, __malloc_initialized would normally be resolved to the
1286 ## shared library's .bss section, which is fatal.
1287 if test "x$GCC" = "xyes"; then
1288 C_SWITCH_MACHINE="-fno-common"
1290 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1293 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1294 dnl albeit under the mistaken assumption that said file
1295 dnl was no longer used.
1296 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1300 AC_SUBST(C_SWITCH_MACHINE)
1302 AC_SUBST(UNEXEC_OBJ)
1305 ## Some programs in src produce warnings saying certain subprograms
1306 ## are too complex and need a MAXMEM value greater than 2000 for
1307 ## additional optimization. --nils@exp-math.uni-essen.de
1308 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1309 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1310 if test "$opsys" = "mingw32"; then
1311 case "$canonical" in
1312 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1313 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1316 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1317 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1318 AC_SUBST(C_SWITCH_SYSTEM)
1323 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1324 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1326 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1328 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1330 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1332 ## Motif needs -lgen.
1333 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1336 AC_SUBST(LIBS_SYSTEM)
1338 ### Make sure subsequent tests use flags consistent with the build flags.
1340 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1341 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1343 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1346 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1347 AC_DEFUN([AC_TYPE_SIZE_T])
1348 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1349 AC_DEFUN([AC_TYPE_UID_T])
1351 # sqrt and other floating-point functions such as fmod and frexp
1352 # are found in -lm on many systems.
1354 AC_SEARCH_LIBS([sqrt], [m])
1355 if test "X$LIBS" = "X$OLD_LIBS"; then
1358 LIB_MATH=$ac_cv_search_sqrt
1362 dnl Current possibilities handled by sed (aix4-2 -> aix,
1363 dnl gnu-linux -> gnu/linux, etc.):
1364 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1365 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1366 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1373 ## Adding -lm confuses the dynamic linker, so omit it.
1376 freebsd | dragonfly )
1377 SYSTEM_TYPE=berkeley-unix
1379 gnu-linux | gnu-kfreebsd )
1381 hpux10-20 | hpux11 )
1385 SYSTEM_TYPE=windows-nt
1387 dnl NB this may be adjusted below.
1389 SYSTEM_TYPE=berkeley-unix
1393 SYSTEM_TYPE=usg-unix-v
1399 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1400 [The type of system you are compiling for; sets `system-type'.])
1403 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1404 pre_PKG_CONFIG_LIBS=$LIBS
1406 PKG_PROG_PKG_CONFIG(0.9.0)
1408 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1409 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1410 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1411 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1412 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1413 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1415 AC_DEFUN([EMACS_CHECK_MODULES],
1416 [PKG_CHECK_MODULES([$1], [$2],
1417 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1418 m4_default([$3], [HAVE_$1=yes])],
1419 [m4_default([$4], [HAVE_$1=no])])])
1422 if test "${with_sound}" != "no"; then
1423 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1424 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1425 have_sound_header=yes, [], [
1427 #define WIN32_LEAN_AND_MEAN
1428 #include <windows.h>
1431 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1432 AC_MSG_ERROR([OSS sound support requested but not found.])
1434 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1435 # Emulation library used on NetBSD.
1436 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1437 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1438 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1439 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1440 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1444 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1446 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1447 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1448 if test $HAVE_ALSA = yes; then
1449 SAVE_CFLAGS="$CFLAGS"
1451 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1452 LIBS="$ALSA_LIBS $LIBS"
1453 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1454 emacs_alsa_normal=yes,
1455 emacs_alsa_normal=no)
1456 if test "$emacs_alsa_normal" != yes; then
1457 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1458 [[snd_lib_error_set_handler (0);]])],
1459 emacs_alsa_subdir=yes,
1460 emacs_alsa_subdir=no)
1461 if test "$emacs_alsa_subdir" != yes; then
1462 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1464 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1467 CFLAGS="$SAVE_CFLAGS"
1469 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1470 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1471 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1472 elif test "${with_sound}" = "alsa"; then
1473 AC_MSG_ERROR([ALSA sound support requested but not found.])
1475 fi dnl with_sound = alsa|yes
1477 dnl Define HAVE_SOUND if we have sound support. We know it works and
1478 dnl compiles only on the specified platforms. For others, it
1479 dnl probably doesn't make sense to try.
1480 dnl FIXME So surely we should bypass this whole section if not using
1481 dnl one of these platforms?
1482 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1484 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1485 dnl Adjust the --with-sound help text if you change this.
1486 gnu-linux|freebsd|netbsd|mingw32)
1487 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1493 AC_SUBST(CFLAGS_SOUND)
1496 dnl checks for header files
1497 AC_CHECK_HEADERS_ONCE(
1501 sys/utsname.h pwd.h utmp.h util.h)
1503 AC_MSG_CHECKING(if personality LINUX32 can be set)
1504 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1505 emacs_cv_personality_linux32=yes,
1506 emacs_cv_personality_linux32=no)
1507 AC_MSG_RESULT($emacs_cv_personality_linux32)
1509 if test $emacs_cv_personality_linux32 = yes; then
1510 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1511 [Define to 1 if personality LINUX32 can be set.])
1514 dnl On Solaris 8 there's a compilation warning for term.h because
1515 dnl it doesn't define `bool'.
1516 AC_CHECK_HEADERS(term.h, , , -)
1518 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1520 if test $ac_cv_have_decl_sys_siglist != yes; then
1521 # For Tru64, at least:
1522 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1527 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1528 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1529 #if HAVE_SYS_SOCKET_H
1530 #include <sys/socket.h>
1532 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1533 #if HAVE_SYS_SOCKET_H
1534 #include <sys/socket.h>
1536 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1537 #if HAVE_SYS_SOCKET_H
1538 #include <sys/socket.h>
1541 dnl checks for structure members
1542 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1543 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1544 struct ifreq.ifr_addr,
1545 struct ifreq.ifr_addr.sa_len], , ,
1546 [AC_INCLUDES_DEFAULT
1547 #if HAVE_SYS_SOCKET_H
1548 #include <sys/socket.h>
1554 dnl Check for endianness.
1555 dnl AC_C_BIGENDIAN is done by gnulib.
1557 dnl check for Make feature
1562 dnl check if we have GCC and autodepend is on.
1563 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1564 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1565 SAVE_CFLAGS="$CFLAGS"
1566 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1567 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1568 CFLAGS="$SAVE_CFLAGS"
1569 test -f deps.d || ac_enable_autodepend=no
1571 AC_MSG_RESULT([$ac_enable_autodepend])
1572 if test $ac_enable_autodepend = yes; then
1573 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1574 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1575 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1576 deps_frag=autodeps.mk
1579 deps_frag=$srcdir/src/$deps_frag
1582 AC_SUBST_FILE(deps_frag)
1585 lisp_frag=$srcdir/src/lisp.mk
1586 AC_SUBST_FILE(lisp_frag)
1589 dnl checks for operating system services
1590 AC_SYS_LONG_FILE_NAMES
1592 #### Choose a window system.
1594 ## We leave window_system equal to none if
1595 ## we end up building without one. Any new window system should
1596 ## set window_system to an appropriate value and add objects to
1597 ## window-system-specific substs.
1601 if test "$no_x" != yes; then
1605 LD_SWITCH_X_SITE_RPATH=
1606 if test "${x_libraries}" != NONE; then
1607 if test -n "${x_libraries}"; then
1608 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1609 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1611 x_default_search_path=""
1612 x_search_path=${x_libraries}
1613 if test -z "${x_search_path}"; then
1614 x_search_path=/usr/lib
1616 for x_library in `echo ${x_search_path}: | \
1617 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1619 ${x_library}/X11/%L/%T/%N%C%S:\
1620 ${x_library}/X11/%l/%T/%N%C%S:\
1621 ${x_library}/X11/%T/%N%C%S:\
1622 ${x_library}/X11/%L/%T/%N%S:\
1623 ${x_library}/X11/%l/%T/%N%S:\
1624 ${x_library}/X11/%T/%N%S"
1625 if test x"${x_default_search_path}" = x; then
1626 x_default_search_path=${x_search_path}
1628 x_default_search_path="${x_search_path}:${x_default_search_path}"
1632 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1634 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1635 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1638 if test x"${x_includes}" = x; then
1639 bitmapdir=/usr/include/X11/bitmaps
1641 # accumulate include directories that have X11 bitmap subdirectories
1643 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1644 if test -d "${bmd}/X11/bitmaps"; then
1645 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1647 if test -d "${bmd}/bitmaps"; then
1648 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1651 if test ${bmd_acc} != "dummyval"; then
1652 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1659 tmp_CPPFLAGS="$CPPFLAGS"
1660 tmp_CFLAGS="$CFLAGS"
1661 CPPFLAGS="$CPPFLAGS -x objective-c"
1662 CFLAGS="$CFLAGS -x objective-c"
1665 if test "${with_ns}" != no; then
1666 if test "${opsys}" = darwin; then
1668 ns_appdir=`pwd`/nextstep/Emacs.app
1669 ns_appbindir=${ns_appdir}/Contents/MacOS
1670 ns_appresdir=${ns_appdir}/Contents/Resources
1671 ns_appsrc=Cocoa/Emacs.base
1672 elif test -f $GNUSTEP_CONFIG_FILE; then
1674 ns_appdir=`pwd`/nextstep/Emacs.app
1675 ns_appbindir=${ns_appdir}
1676 ns_appresdir=${ns_appdir}/Resources
1677 ns_appsrc=GNUstep/Emacs.base
1678 dnl FIXME sourcing this several times in subshells seems inefficient.
1679 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1680 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1681 dnl I seemed to need these as well with GNUstep-startup 0.25.
1682 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1683 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1684 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1685 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1686 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1687 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1688 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1689 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1690 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1691 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1692 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1693 dnl If they had chosen to either define it or not, we could have
1694 dnl just used AC_CHECK_DECL here.
1695 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1696 emacs_cv_objc_exceptions,
1697 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1698 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1702 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1703 if test $emacs_cv_objc_exceptions = yes; then
1704 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1705 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1706 [Define if GNUstep uses ObjC exceptions.])
1707 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1711 dnl This is only used while we test the NS headers, it gets reset below.
1712 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1714 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1715 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1716 files are missing or cannot be compiled.])])
1719 if test "${NS_IMPL_COCOA}" = "yes"; then
1720 AC_MSG_CHECKING([for OSX 10.4 or newer])
1721 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1723 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1724 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1727 error "OSX 10.4 or newer required";
1731 ns_osx_have_104=yes,
1733 AC_MSG_RESULT([$ns_osx_have_104])
1735 if test $ns_osx_have_104 = no; then
1736 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1738 AC_MSG_CHECKING([for OSX 10.5 or newer])
1739 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1741 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1742 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1745 error "OSX 10.5 not found";
1749 ns_osx_have_105=yes,
1751 AC_MSG_RESULT([$ns_osx_have_105])
1752 if test $ns_osx_have_105 = yes; then
1753 macfont_file="macfont.o"
1756 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1758 ns_have_nsinteger=yes,
1759 ns_have_nsinteger=no)
1760 if test $ns_have_nsinteger = yes; then
1761 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1765 AC_SUBST(LIBS_GNUSTEP)
1767 INSTALL_ARCH_INDEP_EXTRA=install-etc
1768 ns_self_contained=no
1771 if test "${HAVE_NS}" = yes; then
1772 if test "$with_toolkit_scroll_bars" = "no"; then
1773 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1776 window_system=nextstep
1777 # set up packaging dirs
1778 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1779 ns_self_contained=yes
1780 prefix=${ns_appresdir}
1781 exec_prefix=${ns_appbindir}
1782 dnl This one isn't really used, only archlibdir is.
1783 libexecdir="\${ns_appbindir}/libexec"
1784 archlibdir="\${ns_appbindir}/libexec"
1785 etcdocdir="\${ns_appresdir}/etc"
1786 etcdir="\${ns_appresdir}/etc"
1787 dnl FIXME maybe set datarootdir instead.
1788 dnl That would also get applications, icons, man.
1789 infodir="\${ns_appresdir}/info"
1790 mandir="\${ns_appresdir}/man"
1791 lispdir="\${ns_appresdir}/lisp"
1792 INSTALL_ARCH_INDEP_EXTRA=
1795 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1797 CFLAGS="$tmp_CFLAGS"
1798 CPPFLAGS="$tmp_CPPFLAGS"
1799 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1800 AC_SUBST(ns_self_contained)
1802 AC_SUBST(NS_OBJC_OBJ)
1813 if test "${with_w32}" != no; then
1816 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1817 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1818 cannot be found.])])
1821 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1824 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1829 if test "${opsys}" = "mingw32"; then
1830 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1831 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1832 #include <windows.h>
1833 #include <usp10.h>]],
1834 [[PIMAGE_NT_HEADERS pHeader;
1835 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1836 [emacs_cv_w32api=yes
1839 AC_MSG_RESULT($emacs_cv_w32api)
1840 if test "${emacs_cv_w32api}" = "no"; then
1841 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1852 if test "${HAVE_W32}" = "yes"; then
1853 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1854 AC_CHECK_TOOL(WINDRES, [windres],
1855 [AC_MSG_ERROR([No resource compiler found.])])
1856 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1857 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1858 EMACSRES="emacs.res"
1859 case "$canonical" in
1860 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1861 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1863 if test "${opsys}" = "cygwin"; then
1864 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1865 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1866 # Tell the linker that emacs.res is an object (which we compile from
1867 # the rc file), not a linker script.
1868 W32_RES_LINK="-Wl,emacs.res"
1870 UPDATE_MANIFEST=update-game-score.exe.manifest
1871 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1872 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1873 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1874 W32_RES_LINK="\$(EMACSRES)"
1875 CLIENTRES="emacsclient.res"
1876 CLIENTW="emacsclientw\$(EXEEXT)"
1877 FIRSTFILE_OBJ=firstfile.o
1880 LIBS_ECLIENT="-lcomctl32"
1881 LIB_WSOCK32="-lwsock32"
1882 NTLIB="ntlib.$ac_objext"
1883 XARGS_LIMIT="-s 10000"
1889 AC_SUBST(EMACS_MANIFEST)
1890 AC_SUBST(UPDATE_MANIFEST)
1893 AC_SUBST(W32_RES_LINK)
1894 AC_SUBST(FIRSTFILE_OBJ)
1897 AC_SUBST(LIBS_ECLIENT)
1898 AC_SUBST(LIB_WSOCK32)
1900 AC_SUBST(XARGS_LIMIT)
1902 if test "${HAVE_W32}" = "yes"; then
1907 ## $window_system is now set to the window system we will
1910 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1911 # Too many warnings for now.
1913 nw="$nw -Wsuggest-attribute=const"
1914 nw="$nw -Wsuggest-attribute=noreturn"
1915 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1917 gl_WARN_ADD([-Wno-unused-variable])
1918 gl_WARN_ADD([-Wno-unused-but-set-variable])
1919 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1927 case "${window_system}" in
1932 case "${with_x_toolkit}" in
1933 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1934 motif ) USE_X_TOOLKIT=MOTIF ;;
1936 term_header=gtkutil.h
1937 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1938 dnl USE_X_TOOLKIT is set.
1939 USE_X_TOOLKIT=none ;;
1940 gtk2 ) with_gtk2=yes
1941 term_header=gtkutil.h
1942 USE_X_TOOLKIT=none ;;
1943 gtk3 ) with_gtk3=yes
1944 term_header=gtkutil.h
1945 USE_X_TOOLKIT=none ;;
1946 no ) USE_X_TOOLKIT=none ;;
1947 dnl If user did not say whether to use a toolkit, make this decision later:
1948 dnl use the toolkit if we have gtk, or X11R5 or newer.
1949 * ) USE_X_TOOLKIT=maybe ;;
1953 term_header=nsterm.h
1956 term_header=w32term.h
1960 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1961 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1962 if test "$HAVE_XSERVER" = true ||
1963 test -n "$DISPLAY" ||
1964 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1965 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1966 were found. You should install the relevant development files for X
1967 and for the toolkit you want, such as Gtk+ or Motif. Also make
1968 sure you have development files for image handling, i.e.
1969 tiff, gif, jpeg, png and xpm.
1970 If you are sure you want Emacs compiled without X window support, pass
1976 # Does the opsystem file prohibit the use of the GNU malloc?
1977 # Assume not, until told otherwise.
1981 [whether malloc is Doug Lea style],
1982 [emacs_cv_var_doug_lea_malloc],
1983 [emacs_cv_var_doug_lea_malloc=no
1984 dnl Hooks do not work with address sanitization.
1985 if test "$emacs_cv_sanitize_address" != yes; then
1988 [[#include <malloc.h>
1989 static void hook (void) {}]],
1990 [[malloc_set_state (malloc_get_state ());
1991 __after_morecore_hook = hook;
1992 __malloc_initialize_hook = hook;]])],
1993 [emacs_cv_var_doug_lea_malloc=yes])])
1995 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1997 system_malloc=$emacs_cv_sanitize_address
1999 ## darwin ld insists on the use of malloc routines in the System framework.
2000 darwin|mingw32|sol2-10) system_malloc=yes ;;
2004 if test "${system_malloc}" = "yes"; then
2005 AC_DEFINE([SYSTEM_MALLOC], 1,
2006 [Define to 1 to use the system memory allocator, even if it is not
2010 (The GNU allocators don't work with this system configuration.)"
2013 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2014 VMLIMIT_OBJ=vm-limit.o
2016 AC_CHECK_HEADERS([sys/vlimit.h])
2017 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2020 [[extern char data_start[]; char ch;]],
2021 [[return data_start < &ch;]])],
2022 [emacs_cv_data_start=yes],
2023 [emacs_cv_data_start=no])])
2024 if test $emacs_cv_data_start = yes; then
2025 AC_DEFINE([HAVE_DATA_START], 1,
2026 [Define to 1 if data_start is the address of the start
2027 of the main data segment.])
2030 AC_SUBST(GMALLOC_OBJ)
2031 AC_SUBST(VMLIMIT_OBJ)
2033 if test "$doug_lea_malloc" = "yes" ; then
2034 if test "$GNU_MALLOC" = yes ; then
2036 (Using Doug Lea's new malloc from the GNU C Library.)"
2038 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2039 [Define to 1 if the system memory allocator is Doug Lea style,
2040 with malloc hooks and malloc_set_state.])
2042 ## Use mmap directly for allocating larger buffers.
2043 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2044 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2045 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2047 mingw32|gnu*) REL_ALLOC=no ;;
2051 if test x"${REL_ALLOC}" = x; then
2052 REL_ALLOC=${GNU_MALLOC}
2055 use_mmap_for_buffers=no
2057 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2061 if test $use_mmap_for_buffers = yes; then
2062 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2066 LIBS="$LIBS_SYSTEM $LIBS"
2068 dnl FIXME replace main with a function we actually want from this library.
2069 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2071 dnl Check for the POSIX thread library.
2073 if test "$opsys" != "mingw32"; then
2074 AC_CHECK_HEADERS_ONCE(pthread.h)
2075 if test "$ac_cv_header_pthread_h"; then
2076 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2077 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2078 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2079 if test "$GMALLOC_OBJ" = gmalloc.o; then
2080 emacs_pthread_function=pthread_atfork
2082 emacs_pthread_function=pthread_kill
2085 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2086 [AC_DEFINE([HAVE_PTHREAD], [1],
2087 [Define to 1 if you have pthread (-lpthread).])
2088 # Some systems optimize for single-threaded programs by default, and
2089 # need special flags to disable these optimizations. For example, the
2090 # definition of 'errno' in <errno.h>.
2091 if test "$opsys" = aix4-2; then
2092 AC_DEFINE([_THREAD_SAFE], [1],
2093 [Define to 1 if your system requires this in multithreaded code.])
2095 if test "X$LIBS" != "X$OLD_LIBS"; then
2096 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2100 AC_SUBST([LIB_PTHREAD])
2103 dnl Check for need for bigtoc support on IBM AIX
2107 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2109 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2110 *) gdb_cv_bigtoc=-bbigtoc ;;
2113 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2114 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2119 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2120 # is for the tests that follow. We set them back later on.
2122 REAL_CFLAGS="$CFLAGS"
2123 REAL_CPPFLAGS="$CPPFLAGS"
2126 if test "${HAVE_X11}" = "yes"; then
2127 DEFS="$C_SWITCH_X_SITE $DEFS"
2128 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2130 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2131 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2133 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2134 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2135 # but it's more convenient here to set LD_RUN_PATH since this
2136 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2137 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2138 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2142 if test "${opsys}" = "gnu-linux"; then
2143 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2144 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2145 [[XOpenDisplay ("foo");]])],
2146 [xgnu_linux_first_failure=no],
2147 [xgnu_linux_first_failure=yes])
2148 if test "${xgnu_linux_first_failure}" = "yes"; then
2149 OLD_CPPFLAGS="$CPPFLAGS"
2151 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2152 LIBS="$LIBS -b i486-linuxaout"
2153 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2154 [[XOpenDisplay ("foo");]])],
2155 [xgnu_linux_second_failure=no],
2156 [xgnu_linux_second_failure=yes])
2157 if test "${xgnu_linux_second_failure}" = "yes"; then
2158 # If we get the same failure with -b, there is no use adding -b.
2159 # So leave it out. This plays safe.
2162 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2163 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2166 CPPFLAGS=$OLD_CPPFLAGS
2173 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2174 # header files included from there.
2175 AC_MSG_CHECKING(for Xkb)
2176 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2177 #include <X11/XKBlib.h>]],
2178 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2179 emacs_xkb=yes, emacs_xkb=no)
2180 AC_MSG_RESULT($emacs_xkb)
2181 if test $emacs_xkb = yes; then
2182 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2185 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2186 XScreenNumberOfScreen)
2189 if test "${window_system}" = "x11"; then
2190 AC_MSG_CHECKING(X11 version 6)
2191 AC_CACHE_VAL(emacs_cv_x11_version_6,
2192 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2193 [[#if XlibSpecificationRelease < 6
2196 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2197 if test $emacs_cv_x11_version_6 = yes; then
2198 AC_MSG_RESULT(6 or newer)
2199 AC_DEFINE(HAVE_X11R6, 1,
2200 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2201 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2202 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2206 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2207 [Define if you have usable X11R6-style XIM support.])
2211 AC_MSG_RESULT(before 6)
2216 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2218 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2219 if test "${with_rsvg}" != "no"; then
2220 RSVG_REQUIRED=2.11.0
2221 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2223 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2224 AC_SUBST(RSVG_CFLAGS)
2227 if test $HAVE_RSVG = yes; then
2228 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2229 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2230 # Windows loads librsvg dynamically
2231 if test "${opsys}" = "mingw32"; then
2239 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2240 if test "${with_imagemagick}" != "no"; then
2241 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2242 ## 6.8.2 makes Emacs crash; see Bug#13867.
2243 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2244 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2245 AC_SUBST(IMAGEMAGICK_CFLAGS)
2246 AC_SUBST(IMAGEMAGICK_LIBS)
2248 if test $HAVE_IMAGEMAGICK = yes; then
2249 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2252 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2253 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2254 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2264 gtk_term_header=$term_header
2267 if test "${opsys}" != "mingw32"; then
2268 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2271 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2273 dnl Checks for libraries.
2274 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2275 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2276 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2277 AC_MSG_ERROR($GTK_PKG_ERRORS)
2279 if test "$pkg_check_gtk" = "yes"; then
2280 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2281 GTK_OBJ=emacsgtkfixed.o
2282 gtk_term_header=gtkutil.h
2283 USE_GTK_TOOLKIT="GTK3"
2284 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2285 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2286 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2287 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2288 [Define to 1 to disable Glib deprecation warnings.])
2292 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2296 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2299 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2301 dnl Checks for libraries.
2302 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2303 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2304 if test "$pkg_check_gtk" = "no" &&
2305 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2307 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2309 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2316 if test x"$pkg_check_gtk" = xyes; then
2319 CFLAGS="$CFLAGS $GTK_CFLAGS"
2320 LIBS="$GTK_LIBS $LIBS"
2321 dnl Try to compile a simple GTK program.
2322 AC_MSG_CHECKING([whether GTK compiles])
2326 [[/* Check the Gtk and Glib APIs. */
2327 #include <gtk/gtk.h>
2328 #include <glib-object.h>
2330 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2334 GtkSettings *gs = 0;
2335 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2336 strict C prohibits this. Use gtk_main_iteration to test that the
2337 libraries are there. */
2338 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2339 0, 0, 0, G_CALLBACK (callback), 0))
2340 gtk_main_iteration ();
2343 AC_MSG_RESULT([$GTK_COMPILES])
2344 if test "${GTK_COMPILES}" != "yes"; then
2346 if test "$USE_X_TOOLKIT" != "maybe"; then
2347 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2350 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2352 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2353 GTK_OBJ="gtkutil.o $GTK_OBJ"
2354 term_header=$gtk_term_header
2356 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2359 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2360 closing open displays. This is no problem if you just use
2361 one display, but if you use more than one and close one of them
2371 if test "${HAVE_GTK}" = "yes"; then
2373 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2374 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2375 if test "$with_toolkit_scroll_bars" != no; then
2376 with_toolkit_scroll_bars=yes
2379 dnl Check if we have the old file selection dialog declared and
2380 dnl in the link library. In 2.x it may be in the library,
2381 dnl but not declared if deprecated featured has been selected out.
2382 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2383 HAVE_GTK_FILE_SELECTION=no
2384 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2385 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2386 #include <gtk/gtk.h>])
2387 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2388 AC_CHECK_FUNCS(gtk_file_selection_new)
2391 dnl Same as above for gtk_handle_box.
2392 HAVE_GTK_HANDLE_BOX=no
2393 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2394 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2395 #include <gtk/gtk.h>])
2396 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2397 AC_CHECK_FUNCS(gtk_handle_box_new)
2400 dnl Same as above for gtk_tearoff_menu_item.
2401 HAVE_GTK_TEAROFF_MENU_ITEM=no
2402 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2403 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2404 #include <gtk/gtk.h>])
2405 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2406 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2409 dnl Check for functions introduced in 2.14 and later.
2410 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2411 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2412 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2413 gtk_orientable_set_orientation \
2414 gtk_window_set_has_resize_grip)
2416 term_header=gtkutil.h
2422 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2423 dnl other platforms.
2426 if test "${with_dbus}" = "yes"; then
2427 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2428 if test "$HAVE_DBUS" = yes; then
2429 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2430 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2431 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2434 LIBS="$LIBS $DBUS_LIBS"
2435 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2436 dbus_type_is_valid \
2437 dbus_validate_bus_name \
2438 dbus_validate_path \
2439 dbus_validate_interface \
2440 dbus_validate_member)
2445 AC_SUBST(DBUS_CFLAGS)
2449 dnl GSettings has been tested under GNU/Linux only.
2451 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2452 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2453 if test "$HAVE_GSETTINGS" = "yes"; then
2455 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2457 LIBS="$LIBS $GSETTINGS_LIBS"
2458 AC_MSG_CHECKING([whether GSettings is in gio])
2461 [[/* Check that gsettings really is present. */
2462 #include <glib-object.h>
2463 #include <gio/gio.h>
2466 GSettings *settings;
2467 GVariant *val = g_settings_get_value (settings, "");
2469 [], HAVE_GSETTINGS=no)
2470 AC_MSG_RESULT([$HAVE_GSETTINGS])
2472 if test "$HAVE_GSETTINGS" = "yes"; then
2473 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2474 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2475 SETTINGS_LIBS="$GSETTINGS_LIBS"
2482 dnl GConf has been tested under GNU/Linux only.
2483 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2485 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2486 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2487 if test "$HAVE_GCONF" = yes; then
2488 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2489 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2490 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2491 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2495 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2496 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2497 if test "$HAVE_GOBJECT" = "yes"; then
2498 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2499 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2501 SAVE_CFLAGS="$CFLAGS"
2503 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2504 LIBS="$SETTINGS_LIBS $LIBS"
2505 CFLAGS="$SAVE_CFLAGS"
2508 AC_SUBST(SETTINGS_CFLAGS)
2509 AC_SUBST(SETTINGS_LIBS)
2512 dnl SELinux is available for GNU/Linux only.
2515 if test "${with_selinux}" = "yes"; then
2516 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2517 if test "$HAVE_LIBSELINUX" = yes; then
2518 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2519 LIBSELINUX_LIBS=-lselinux
2522 AC_SUBST(LIBSELINUX_LIBS)
2526 if test "${with_gnutls}" = "yes" ; then
2527 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
2528 [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
2529 if test "${HAVE_GNUTLS3}" = "yes"; then
2530 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2533 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2534 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2536 if test "${HAVE_GNUTLS}" = "yes"; then
2537 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2540 # Windows loads GnuTLS dynamically
2541 if test "${opsys}" = "mingw32"; then
2546 AC_SUBST(LIBGNUTLS_LIBS)
2547 AC_SUBST(LIBGNUTLS_CFLAGS)
2552 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2553 dnl a particular library. This doesn't make much sense?
2554 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2555 with_file_notification=no
2558 dnl MS Windows native file monitor is available for mingw32 only.
2559 case $with_file_notification,$opsys in
2560 w32,* | yes,mingw32)
2561 AC_CHECK_HEADER(windows.h)
2562 if test "$ac_cv_header_windows_h" = yes ; then
2563 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2564 NOTIFY_OBJ=w32notify.o
2565 NOTIFY_SUMMARY="yes (w32)"
2569 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2570 dnl has been added in glib 2.24. It has been tested under
2571 dnl GNU/Linux only. We take precedence over inotify, but this makes
2572 dnl only sense when glib has been compiled with inotify support. How
2574 case $with_file_notification,$NOTIFY_OBJ in
2576 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2577 if test "$HAVE_GFILENOTIFY" = "yes"; then
2578 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2579 NOTIFY_OBJ=gfilenotify.o
2580 NOTIFY_SUMMARY="yes -lgio (gfile)"
2584 dnl inotify is only available on GNU/Linux.
2585 case $with_file_notification,$NOTIFY_OBJ in
2587 AC_CHECK_HEADER(sys/inotify.h)
2588 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2589 AC_CHECK_FUNC(inotify_init1)
2590 if test "$ac_cv_func_inotify_init1" = yes; then
2591 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2592 NOTIFY_OBJ=inotify.o
2593 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2598 case $with_file_notification,$NOTIFY_OBJ in
2599 yes,* | no,* | *,?*) ;;
2600 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2603 if test -n "$NOTIFY_OBJ"; then
2604 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2606 AC_SUBST(NOTIFY_OBJ)
2607 AC_SUBST(GFILENOTIFY_CFLAGS)
2608 AC_SUBST(GFILENOTIFY_LIBS)
2610 dnl Do not put whitespace before the #include statements below.
2611 dnl Older compilers (eg sunos4 cc) choke on it.
2614 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2615 if test "$with_xaw3d" != no; then
2616 AC_CACHE_VAL(emacs_cv_xaw3d,
2617 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2618 #include <X11/Intrinsic.h>
2619 #include <X11/Xaw3d/Simple.h>]],
2621 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2622 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2623 emacs_cv_xaw3d=no)])
2627 if test $emacs_cv_xaw3d = yes; then
2628 AC_MSG_CHECKING(for xaw3d)
2629 AC_MSG_RESULT([yes; using Lucid toolkit])
2633 AC_DEFINE(HAVE_XAW3D, 1,
2634 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2636 AC_MSG_CHECKING(for xaw3d)
2638 AC_MSG_CHECKING(for libXaw)
2639 AC_CACHE_VAL(emacs_cv_xaw,
2640 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2641 #include <X11/Intrinsic.h>
2642 #include <X11/Xaw/Simple.h>]],
2646 if test $emacs_cv_xaw = yes; then
2647 AC_MSG_RESULT([yes; using Lucid toolkit])
2650 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2651 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2653 AC_MSG_ERROR([No X toolkit could be found.
2654 If you are sure you want Emacs compiled without an X toolkit, pass
2656 to configure. Otherwise, install the development libraries for the toolkit
2657 that you want to use (e.g. Gtk+) and re-run configure.])
2662 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2666 if test "${USE_X_TOOLKIT}" != "none"; then
2667 AC_MSG_CHECKING(X11 toolkit version)
2668 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2669 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2670 [[#if XtSpecificationRelease < 6
2673 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2674 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2675 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2676 AC_MSG_RESULT(6 or newer)
2677 AC_DEFINE(HAVE_X11XTR6, 1,
2678 [Define to 1 if you have the X11R6 or newer version of Xt.])
2679 LIBXTR6="-lSM -lICE"
2681 ## Use libw.a along with X11R6 Xt.
2682 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2685 AC_MSG_RESULT(before 6)
2688 dnl If using toolkit, check whether libXmu.a exists.
2689 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2691 if test x$HAVE_X11XTR6 = xyes; then
2692 OTHERLIBS='-lXt -lSM -lICE'
2696 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2697 if test "X$LIBS" != "X$OLDLIBS"; then
2698 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2701 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2707 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2708 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2709 if test -d /usr/include/openmotif; then
2710 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2711 emacs_cv_openmotif=yes
2712 case "$canonical" in
2713 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2714 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2717 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2720 emacs_cv_openmotif=no
2722 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2723 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2724 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2727 Motif version prior to 2.1.
2729 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2730 if test $emacs_cv_motif_version_2_1 = yes; then
2731 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2732 if test x$emacs_cv_openmotif = xyes; then
2733 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2736 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2737 # We put this in CFLAGS temporarily to precede other -I options
2738 # that might be in CFLAGS temporarily.
2739 # We put this in CPPFLAGS where it precedes the other -I options.
2740 OLD_CPPFLAGS=$CPPFLAGS
2742 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2743 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2744 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2746 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2747 if test $emacs_cv_lesstif = yes; then
2748 # Make sure this -I option remains in CPPFLAGS after it is set
2749 # back to REAL_CPPFLAGS.
2750 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2751 # have those other -I options anyway. Ultimately, having this
2752 # directory ultimately in CPPFLAGS will be enough.
2753 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2754 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2757 CPPFLAGS=$OLD_CPPFLAGS
2760 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2761 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2764 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2765 dnl using Motif or Xaw3d is available, and unless
2766 dnl --with-toolkit-scroll-bars=no was specified.
2768 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2769 [Define to 1 if we should use toolkit scroll bars.])dnl
2770 USE_TOOLKIT_SCROLL_BARS=no
2771 if test "${with_toolkit_scroll_bars}" != "no"; then
2772 if test "${USE_X_TOOLKIT}" != "none"; then
2773 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2774 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2776 USE_TOOLKIT_SCROLL_BARS=yes
2777 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2778 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2779 USE_TOOLKIT_SCROLL_BARS=yes
2781 elif test "${HAVE_GTK}" = "yes"; then
2782 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2783 USE_TOOLKIT_SCROLL_BARS=yes
2784 elif test "${HAVE_NS}" = "yes"; then
2785 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2786 USE_TOOLKIT_SCROLL_BARS=yes
2787 elif test "${HAVE_W32}" = "yes"; then
2788 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2789 USE_TOOLKIT_SCROLL_BARS=yes
2793 dnl See if XIM is available.
2794 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2795 #include <X11/Xlib.h>
2796 #include <X11/Xresource.h>]],
2797 [[XIMProc callback;]])],
2799 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2802 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2804 if test "${with_xim}" != "no"; then
2805 AC_DEFINE(USE_XIM, 1,
2806 [Define to 1 if we should use XIM, if it is available.])
2810 if test "${HAVE_XIM}" != "no"; then
2812 if test "$GCC" = yes; then
2813 CFLAGS="$CFLAGS --pedantic-errors"
2815 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2816 #include <X11/Xlib.h>
2817 #include <X11/Xresource.h>]],
2823 XPointer *client_data;
2825 /* If we're not using GCC, it's probably not XFree86, and this is
2826 probably right, but we can't use something like --pedantic-errors. */
2827 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2828 char*, XIMProc, XPointer*);
2830 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2832 [emacs_cv_arg6_star=yes])
2833 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2834 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2835 either XPointer or XPointer*.])dnl
2836 if test "$emacs_cv_arg6_star" = yes; then
2837 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2839 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2844 ### Start of font-backend (under any platform) section.
2845 # (nothing here yet -- this is a placeholder)
2846 ### End of font-backend (under any platform) section.
2848 ### Start of font-backend (under X11) section.
2849 if test "${HAVE_X11}" = "yes"; then
2850 ## Use -lXft if available, unless `--with-xft=no'.
2852 if test "x${with_x}" = "xno"; then
2856 if test "$with_xft" != no; then
2857 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2858 with_xft=$HAVE_FONTCONFIG
2861 if test "x${with_xft}" != "xno"; then
2863 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2864 ## Because xftfont.c uses XRenderQueryExtension, we also
2865 ## need to link to -lXrender.
2867 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2868 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2869 OLD_CPPFLAGS="$CPPFLAGS"
2870 OLD_CFLAGS="$CFLAGS"
2872 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2873 CFLAGS="$CFLAGS $XFT_CFLAGS"
2874 XFT_LIBS="-lXrender $XFT_LIBS"
2875 LIBS="$XFT_LIBS $LIBS"
2876 AC_CHECK_HEADER(X11/Xft/Xft.h,
2877 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2878 [[#include <X11/X.h>]])
2880 if test "${HAVE_XFT}" = "yes"; then
2881 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2883 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2884 fi # "${HAVE_XFT}" = "yes"
2885 CPPFLAGS=$OLD_CPPFLAGS
2888 fi # "$HAVE_XFT" != no
2889 fi # "x${with_xft}" != "xno"
2891 ## We used to allow building with FreeType and without Xft.
2892 ## However, the ftx font backend driver is not in good shape.
2893 if test "$HAVE_XFT" != "yes"; then
2894 dnl For the "Does Emacs use" message at the end.
2898 dnl Strict linkers fail with
2899 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2900 dnl if -lfreetype is not specified.
2901 dnl The following is needed to set FREETYPE_LIBS.
2902 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2904 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2908 if test "${HAVE_FREETYPE}" = "yes"; then
2909 AC_DEFINE(HAVE_FREETYPE, 1,
2910 [Define to 1 if using the freetype and fontconfig libraries.])
2911 if test "${with_libotf}" != "no"; then
2912 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2913 if test "$HAVE_LIBOTF" = "yes"; then
2914 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2915 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2916 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2917 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2918 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2919 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2920 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2924 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2925 dnl Does the new font backend require it, or can it work without it?
2929 if test "${HAVE_LIBOTF}" = yes; then
2930 if test "${with_m17n_flt}" != "no"; then
2931 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
2932 if test "$HAVE_M17N_FLT" = "yes"; then
2933 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2944 ### End of font-backend (under X11) section.
2946 AC_SUBST(FREETYPE_CFLAGS)
2947 AC_SUBST(FREETYPE_LIBS)
2948 AC_SUBST(FONTCONFIG_CFLAGS)
2949 AC_SUBST(FONTCONFIG_LIBS)
2950 AC_SUBST(LIBOTF_CFLAGS)
2951 AC_SUBST(LIBOTF_LIBS)
2952 AC_SUBST(M17N_FLT_CFLAGS)
2953 AC_SUBST(M17N_FLT_LIBS)
2955 ### Use -lXpm if available, unless `--with-xpm=no'.
2956 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2959 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2960 if test "${with_xpm}" != "no"; then
2961 SAVE_CPPFLAGS="$CPPFLAGS"
2962 SAVE_LDFLAGS="$LDFLAGS"
2963 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2964 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2965 AC_CHECK_HEADER(X11/xpm.h,
2966 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2967 if test "${HAVE_XPM}" = "yes"; then
2968 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2969 AC_EGREP_CPP(no_return_alloc_pixels,
2970 [#include "X11/xpm.h"
2971 #ifndef XpmReturnAllocPixels
2972 no_return_alloc_pixels
2974 ], HAVE_XPM=no, HAVE_XPM=yes)
2976 if test "${HAVE_XPM}" = "yes"; then
2977 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2981 CPPFLAGS="$SAVE_CPPFLAGS"
2982 LDFLAGS="$SAVE_LDFLAGS"
2987 if test "${HAVE_XPM}" = "yes"; then
2988 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2993 if test "${HAVE_X11}" = "yes"; then
2994 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
2995 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
2997 if test "${with_xpm}" != "no"; then
2998 AC_CHECK_HEADER(X11/xpm.h,
2999 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3000 if test "${HAVE_XPM}" = "yes"; then
3001 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3002 AC_EGREP_CPP(no_return_alloc_pixels,
3003 [#include "X11/xpm.h"
3004 #ifndef XpmReturnAllocPixels
3005 no_return_alloc_pixels
3007 ], HAVE_XPM=no, HAVE_XPM=yes)
3009 if test "${HAVE_XPM}" = "yes"; then
3017 if test "${HAVE_XPM}" = "yes"; then
3018 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3020 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3021 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3026 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3027 ### slightly different requirements wrt image libraries (it doesn't
3028 ### use -lXpm because it loads the xpm shared library dynamically at
3030 if test "${opsys}" = "mingw32"; then
3031 if test "${with_xpm}" != "no"; then
3032 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3036 if test "${HAVE_XPM}" = "yes"; then
3037 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3043 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3044 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3047 if test "${opsys}" = "mingw32"; then
3048 if test "${with_jpeg}" != "no"; then
3049 dnl Checking for jpeglib.h can lose because of a redefinition of
3051 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3053 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3054 if test "${HAVE_JPEG}" = "yes"; then
3055 AC_DEFINE(HAVE_JPEG)
3056 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3057 [#include <jpeglib.h>
3058 version=JPEG_LIB_VERSION
3060 [AC_DEFINE(HAVE_JPEG)],
3061 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3064 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3065 if test "${with_jpeg}" != "no"; then
3066 dnl Checking for jpeglib.h can lose because of a redefinition of
3068 AC_CHECK_HEADER(jerror.h,
3069 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3072 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3073 if test "${HAVE_JPEG}" = "yes"; then
3074 AC_DEFINE(HAVE_JPEG)
3075 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3076 [#include <jpeglib.h>
3077 version=JPEG_LIB_VERSION
3079 [AC_DEFINE(HAVE_JPEG)],
3080 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3083 if test "${HAVE_JPEG}" = "yes"; then
3091 if test "${with_zlib}" != "no"; then
3093 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3095 case $ac_cv_search_inflateEnd in
3096 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3099 if test "${HAVE_ZLIB}" = "yes"; then
3100 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3101 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3102 if test "${opsys}" = "mingw32"; then
3108 ### Use -lpng if available, unless `--with-png=no'.
3112 if test "${NS_IMPL_COCOA}" = yes; then
3114 elif test "${with_png}" != no; then
3115 # mingw32 loads the library dynamically.
3116 if test "$opsys" = mingw32; then
3117 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3118 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3119 AC_MSG_CHECKING([for png])
3120 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3121 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3122 # libpng-config does not work; configure by hand.
3123 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3124 # in /usr/include/libpng.
3125 if test -r /usr/include/libpng/png.h &&
3126 test ! -r /usr/include/png.h; then
3127 png_cflags=-I/usr/include/libpng
3135 CFLAGS="$CFLAGS $png_cflags"
3136 LIBS="$png_libs -lz -lm $LIBS"
3138 [AC_LANG_PROGRAM([[#include <png.h>]],
3139 [[return !png_get_channels (0, 0);]])],
3141 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3143 # $LIBPNG requires explicit -lz in some cases.
3144 # We don't know what those cases are, exactly, so play it safe and
3145 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3146 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3147 LIBPNG="$LIBPNG -lz"
3151 AC_MSG_RESULT([$HAVE_PNG])
3154 if test $HAVE_PNG = yes; then
3155 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3158 CFLAGS="$CFLAGS $PNG_CFLAGS"
3159 AC_CHECK_DECL([png_longjmp],
3161 [AC_DEFINE([PNG_DEPSTRUCT], [],
3162 [Define to empty to suppress deprecation warnings when building
3163 with --enable-gcc-warnings and with libpng versions before 1.5,
3164 which lack png_longjmp.])],
3170 AC_SUBST(PNG_CFLAGS)
3172 ### Use -ltiff if available, unless `--with-tiff=no'.
3173 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3176 if test "${opsys}" = "mingw32"; then
3177 if test "${with_tiff}" != "no"; then
3178 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3180 if test "${HAVE_TIFF}" = "yes"; then
3181 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3183 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3184 if test "${with_tiff}" != "no"; then
3185 AC_CHECK_HEADER(tiffio.h,
3187 # At least one tiff package requires the jpeg library.
3188 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3189 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3192 if test "${HAVE_TIFF}" = "yes"; then
3193 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3194 dnl FIXME -lz -lm, as per libpng?
3200 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3201 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3204 if test "${opsys}" = "mingw32"; then
3205 if test "${with_gif}" != "no"; then
3206 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3208 if test "${HAVE_GIF}" = "yes"; then
3209 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3211 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3212 || test "${HAVE_W32}" = "yes"; then
3213 AC_CHECK_HEADER(gif_lib.h,
3214 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3215 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3216 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3217 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3219 if test "$HAVE_GIF" = yes; then
3221 elif test "$HAVE_GIF" = maybe; then
3222 # If gif_lib.h but no libgif, try libungif.
3223 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3224 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3227 if test "${HAVE_GIF}" = "yes"; then
3228 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3233 dnl Check for required libraries.
3234 if test "${HAVE_X11}" = "yes"; then
3237 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3238 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3239 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3240 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3241 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3242 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3243 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3244 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3245 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3246 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3248 if test "X${MISSING}" != X; then
3249 AC_MSG_ERROR([The following required libraries were not found:
3251 Maybe some development libraries/packages are missing?
3252 If you don't want to link with them give
3254 as options to configure])
3258 ### Use -lgpm if available, unless `--with-gpm=no'.
3261 if test "${with_gpm}" != "no"; then
3262 AC_CHECK_HEADER(gpm.h,
3263 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3265 if test "${HAVE_GPM}" = "yes"; then
3266 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3272 dnl Check for malloc/malloc.h on darwin
3273 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3276 ### Use NeXTstep API to implement GUI.
3277 if test "${HAVE_NS}" = "yes"; then
3278 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3279 if test "${NS_IMPL_COCOA}" = "yes"; then
3280 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3282 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3283 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3284 # See also .m.o rule in Makefile.in */
3285 # FIXME: are all these flags really needed? Document here why. */
3286 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3287 ## Extra CFLAGS applied to src/*.m files.
3288 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3293 ### Use session management (-lSM -lICE) if available
3296 if test "${HAVE_X11}" = "yes"; then
3297 AC_CHECK_HEADER(X11/SM/SMlib.h,
3298 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3300 if test "${HAVE_X_SM}" = "yes"; then
3301 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3307 ### Use XRandr (-lXrandr) if available
3309 if test "${HAVE_X11}" = "yes"; then
3310 XRANDR_REQUIRED=1.2.2
3311 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3312 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3313 if test $HAVE_XRANDR = no; then
3314 # Test old way in case pkg-config doesn't have it (older machines).
3315 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3316 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3317 if test $HAVE_XRANDR = yes; then
3318 XRANDR_LIBS=-lXrandr
3321 if test $HAVE_XRANDR = yes; then
3322 SAVE_CFLAGS="$CFLAGS"
3324 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3325 LIBS="$XRANDR_LIBS $LIBS"
3326 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3327 CFLAGS="$SAVE_CFLAGS"
3330 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3333 AC_SUBST(XRANDR_CFLAGS)
3334 AC_SUBST(XRANDR_LIBS)
3336 ### Use Xinerama (-lXinerama) if available
3338 if test "${HAVE_X11}" = "yes"; then
3339 XINERAMA_REQUIRED=1.0.2
3340 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3341 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3342 if test $HAVE_XINERAMA = no; then
3343 # Test old way in case pkg-config doesn't have it (older machines).
3344 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3345 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3346 if test $HAVE_XINERAMA = yes; then
3347 XINERAMA_LIBS=-lXinerama
3350 if test $HAVE_XINERAMA = yes; then
3351 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3354 AC_SUBST(XINERAMA_CFLAGS)
3355 AC_SUBST(XINERAMA_LIBS)
3357 ### Use Xfixes (-lXfixes) if available
3359 if test "${HAVE_X11}" = "yes"; then
3360 XFIXES_REQUIRED=4.0.0
3361 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3362 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3363 if test $HAVE_XFIXES = no; then
3364 # Test old way in case pkg-config doesn't have it (older machines).
3365 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3366 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3367 if test $HAVE_XFIXES = yes; then
3368 XFIXES_LIBS=-lXfixes
3371 if test $HAVE_XFIXES = yes; then
3372 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3375 AC_SUBST(XFIXES_CFLAGS)
3376 AC_SUBST(XFIXES_LIBS)
3378 ### Use libxml (-lxml2) if available
3379 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3381 if test "${with_xml2}" != "no"; then
3382 ### I'm not sure what the version number should be, so I just guessed.
3383 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3384 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3385 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3386 SAVE_CPPFLAGS="$CPPFLAGS"
3387 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3388 AC_CHECK_HEADER(libxml/HTMLparser.h,
3389 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3390 [#include <libxml/HTMLparser.h>])])
3391 CPPFLAGS="$SAVE_CPPFLAGS"
3392 if test "${HAVE_LIBXML2}" = "yes"; then
3393 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3394 LIBXML2_LIBS="-lxml2"
3397 if test "${HAVE_LIBXML2}" = "yes"; then
3398 if test "${opsys}" != "mingw32"; then
3399 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3404 if test "${HAVE_LIBXML2}" = "yes"; then
3405 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3412 AC_SUBST(LIBXML2_LIBS)
3413 AC_SUBST(LIBXML2_CFLAGS)
3415 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3416 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3417 if test "${opsys}" = "mingw32"; then
3418 emacs_cv_netdb_declares_h_errno=yes
3420 AC_CACHE_CHECK(whether netdb declares h_errno,
3421 emacs_cv_netdb_declares_h_errno,
3422 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3423 [[return h_errno;]])],
3424 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3425 if test $emacs_cv_netdb_declares_h_errno = yes; then
3426 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3429 # Check for mail-locking functions in a "mail" library. Probably this should
3430 # have the same check as for liblockfile below.
3431 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3432 if test $have_mail = yes; then
3434 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3437 LIBS="$LIBS_MAIL $LIBS"
3438 AC_CHECK_FUNCS(touchlock)
3443 dnl Debian, at least:
3444 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3445 if test $have_lockfile = yes; then
3446 LIBS_MAIL=-llockfile
3447 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3449 # If we have the shared liblockfile, assume we must use it for mail
3450 # locking (e.g. Debian). If we couldn't link against liblockfile
3451 # (no liblockfile.a installed), ensure that we don't need to.
3452 dnl This works for files generally, not just executables.
3453 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3454 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3455 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3456 if test $ac_cv_prog_liblockfile = yes; then
3457 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3458 This probably means that movemail could lose mail.
3459 There may be a `development' package to install containing liblockfile.])
3462 AC_CHECK_HEADERS_ONCE(maillock.h)
3465 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3466 ## interlock access to the mail spool. The alternative is a lock file named
3467 ## /usr/spool/mail/$USER.lock.
3470 aix4-2) mail_lock="lockf" ;;
3472 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3474 ## On GNU/Linux systems, both methods are used by various mail programs.
3475 ## I assume most people are using newer mailers that have heard of flock.
3476 ## Change this if you need to.
3477 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3478 ## configure gets the right answers, and that means *NOT* using flock.
3479 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3480 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3481 ## Debian maintainer hasn't provided a clean fix for Emacs.
3482 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3483 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3484 ## correct logic. -- fx
3485 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3486 ## liblockfile is a Free Software replacement for libmail, used on
3487 ## Debian systems and elsewhere. -rfr.
3490 if test $have_mail = yes || test $have_lockfile = yes; then
3491 test $ac_cv_header_maillock_h = yes && mail_lock=no
3496 mail_lock="none-needed" ;;
3500 case "$mail_lock" in
3501 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3503 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3507 *) BLESSMAIL_TARGET="need-blessmail" ;;
3509 AC_SUBST(BLESSMAIL_TARGET)
3512 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3513 AC_CHECK_FUNCS(accept4 gethostname \
3514 getrusage get_current_dir_name \
3515 lrand48 random rint \
3516 select getpagesize setlocale \
3517 getrlimit setrlimit shutdown getaddrinfo \
3518 pthread_sigmask strsignal setitimer \
3519 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3521 getpwent endpwent getgrent endgrent \
3522 cfmakeraw cfsetspeed copysign __executable_start log2)
3525 dnl No need to check for aligned_alloc and posix_memalign if using
3526 dnl gmalloc.o, as it supplies them. Don't use these functions on
3527 dnl Darwin as they are incompatible with unexmacosx.c.
3528 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3529 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3532 dnl Cannot use AC_CHECK_FUNCS
3533 AC_CACHE_CHECK([for __builtin_unwind_init],
3534 emacs_cv_func___builtin_unwind_init,
3535 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3536 emacs_cv_func___builtin_unwind_init=yes,
3537 emacs_cv_func___builtin_unwind_init=no)])
3538 if test $emacs_cv_func___builtin_unwind_init = yes; then
3539 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3540 [Define to 1 if you have the `__builtin_unwind_init' function.])
3543 AC_CHECK_HEADERS_ONCE(sys/un.h)
3548 AC_CHECK_FUNCS(grantpt)
3550 # PTY-related GNU extensions.
3551 AC_CHECK_FUNCS(getpt posix_openpt)
3553 # Check this now, so that we will NOT find the above functions in ncurses.
3554 # That is because we have not set up to link ncurses in lib-src.
3555 # It's better to believe a function is not available
3556 # than to expect to find it in ncurses.
3557 # Also we need tputs and friends to be able to build at all.
3558 AC_MSG_CHECKING([for library containing tputs])
3559 # Run a test program that contains a call to tputs, a call that is
3560 # never executed. This tests whether a pre-'main' dynamic linker
3561 # works with the library. It's too much trouble to actually call
3562 # tputs in the test program, due to portability hassles. When
3563 # cross-compiling, assume the test program will run if it links.
3564 AC_DEFUN([tputs_link_source], [
3566 [[extern void tputs (const char *, int, int (*)(int));
3567 int main (int argc, char **argv)
3570 tputs (argv[0], 0, 0);
3574 if test "${opsys}" = "mingw32"; then
3577 # Maybe curses should be tried earlier?
3578 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3579 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3581 if test -z "$tputs_library"; then
3585 LIBS_TERMCAP=-l$tputs_library
3587 LIBS="$LIBS_TERMCAP $LIBS"
3589 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3590 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3592 if test "X$msg" != Xno; then
3597 AC_MSG_RESULT([$msg])
3598 if test "X$msg" = Xno; then
3599 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3600 The following libraries were tried (in order):
3601 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3602 Please try installing whichever of these libraries is most appropriate
3603 for your system, together with its header files.
3604 For example, a libncurses-dev(el) or similar package.])
3607 ## Use termcap instead of terminfo?
3608 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3610 ## FIXME? In the cases below where we unconditionally set
3611 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3612 ## if that was found above to have tputs.
3613 ## Should we use the gnu* logic everywhere?
3615 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3616 ## The ncurses library has been moved out of the System framework in
3617 ## Mac OS X 10.2. So if configure detects it, set the command-line
3618 ## option to use it.
3619 darwin) LIBS_TERMCAP="-lncurses" ;;
3621 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3624 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3625 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3626 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3627 [[#if __FreeBSD_version < 400000
3630 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3632 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3634 if test $emacs_cv_freebsd_terminfo = yes; then
3635 LIBS_TERMCAP="-lncurses"
3638 LIBS_TERMCAP="-ltermcap"
3648 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3650 LIBS_TERMCAP="-ltermcap"
3654 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3656 ## hpux: Make sure we get select from libc rather than from libcurses
3657 ## because libcurses on HPUX 10.10 has a broken version of select.
3658 ## We used to use -lc -lcurses, but this may be cleaner.
3659 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3660 # set that way, now it uses the default). Isn't this a contradiction?
3661 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3665 TERMCAP_OBJ=tparam.o
3666 if test $TERMINFO = yes; then
3667 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3668 TERMCAP_OBJ=terminfo.o
3670 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3671 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3673 AC_SUBST(LIBS_TERMCAP)
3674 AC_SUBST(TERMCAP_OBJ)
3677 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3678 # On Darwin, res_init appears not to be useful: see bug#562 and
3679 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3682 if test $opsys != darwin; then
3684 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3685 #include <arpa/nameser.h>
3686 #include <resolv.h>]],
3687 [[return res_init();]])],
3688 have_res_init=yes, have_res_init=no)
3689 if test "$have_res_init" = no; then
3691 LIBS="$LIBS -lresolv"
3692 AC_MSG_CHECKING(for res_init with -lresolv)
3693 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3694 #include <arpa/nameser.h>
3695 #include <resolv.h>]],
3696 [[return res_init();]])],
3697 have_res_init=yes, have_res_init=no)
3698 AC_MSG_RESULT($have_res_init)
3699 if test "$have_res_init" = yes ; then
3705 if test "$have_res_init" = yes; then
3706 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3710 # Do we need the Hesiod library to provide the support routines?
3711 dnl FIXME? Should we be skipping this on Darwin too?
3713 if test "$with_hesiod" != no ; then
3714 # Don't set $LIBS here -- see comments above. FIXME which comments?
3715 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3716 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3717 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3718 if test "$resolv" = yes ; then
3723 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3724 hesiod=yes, :, $RESOLVLIB)])
3726 if test x"$hesiod" = xyes; then
3732 # Do we need libresolv (due to res_init or Hesiod)?
3733 if test "$resolv" = yes && test $opsys != darwin; then
3740 # These tell us which Kerberos-related libraries to use.
3747 if test "${with_kerberos}" != no; then
3749 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3750 if test $have_com_err = yes; then
3751 COM_ERRLIB=-lcom_err
3752 LIBS="$COM_ERRLIB $LIBS"
3754 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3755 if test $have_crypto = yes; then
3757 LIBS="$CRYPTOLIB $LIBS"
3759 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3760 if test $have_k5crypto = yes; then
3761 CRYPTOLIB=-lk5crypto
3762 LIBS="$CRYPTOLIB $LIBS"
3764 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3765 if test $have_krb5=yes; then
3767 LIBS="$KRB5LIB $LIBS"
3769 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3770 if test "${with_kerberos5}" = no; then
3771 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3772 if test $have_des425 = yes; then
3774 LIBS="$DESLIB $LIBS"
3776 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3777 if test $have_des = yes; then
3779 LIBS="$DESLIB $LIBS"
3782 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3783 if test $have_krb4 = yes; then
3785 LIBS="$KRB4LIB $LIBS"
3787 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3788 if test $have_krb = yes; then
3790 LIBS="$KRB4LIB $LIBS"
3795 if test "${with_kerberos5}" != no; then
3796 AC_CHECK_HEADERS(krb5.h,
3797 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3798 [#include <krb5.h>])])
3800 AC_CHECK_HEADERS(krb.h,,
3801 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3802 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3804 AC_CHECK_HEADERS(com_err.h)
3808 AC_SUBST(COM_ERRLIB)
3814 AC_CHECK_HEADERS(valgrind/valgrind.h)
3816 AC_CHECK_FUNCS_ONCE(tzset)
3817 AC_MSG_CHECKING(whether localtime caches TZ)
3818 AC_CACHE_VAL(emacs_cv_localtime_cache,
3819 [if test x$ac_cv_func_tzset = xyes; then
3820 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3821 char TZ_GMT0[] = "TZ=GMT0";
3822 char TZ_PST8[] = "TZ=PST8";
3825 time_t now = time ((time_t *) 0);
3826 int hour_GMT0, hour_unset;
3827 if (putenv (TZ_GMT0) != 0)
3829 hour_GMT0 = localtime (&now)->tm_hour;
3831 hour_unset = localtime (&now)->tm_hour;
3832 if (putenv (TZ_PST8) != 0)
3834 if (localtime (&now)->tm_hour == hour_GMT0)
3837 if (localtime (&now)->tm_hour != hour_unset)
3840 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3841 [# If we have tzset, assume the worst when cross-compiling.
3842 emacs_cv_localtime_cache=yes])
3844 # If we lack tzset, report that localtime does not cache TZ,
3845 # since we can't invalidate the cache if we don't have tzset.
3846 emacs_cv_localtime_cache=no
3848 AC_MSG_RESULT($emacs_cv_localtime_cache)
3849 if test $emacs_cv_localtime_cache = yes; then
3850 AC_DEFINE(LOCALTIME_CACHE, 1,
3851 [Define to 1 if localtime caches TZ.])
3855 AC_CHECK_FUNC(socket, , ok_so_far=no)
3856 if test $ok_so_far = yes; then
3857 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3859 if test $ok_so_far = yes; then
3860 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3862 if test $ok_so_far = yes; then
3863 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3864 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3865 [Define to 1 if you have inet sockets.])
3870 AC_CHECK_FUNCS(snprintf)
3872 dnl Check for glib. This differs from other library checks in that
3873 dnl Emacs need not link to glib unless some other library is already
3874 dnl linking to glib. Although glib provides no facilities that Emacs
3875 dnl needs for its own purposes, when glib is present Emacs needs to
3876 dnl use primitives like g_main_context_query to avoid clashing with
3877 dnl glib at a low level.
3879 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3883 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3884 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3885 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3886 LIBS="$LIBS $GFILENOTIFY_LIBS"
3887 AC_MSG_CHECKING([whether GLib is linked in])
3888 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3891 [[g_print ("Hello world");]])],
3894 AC_MSG_RESULT([$links_glib])
3895 if test "${links_glib}" = "yes"; then
3896 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3897 if test "$HAVE_NS" = no;then
3905 dnl Adapted from Haible's version.
3906 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3907 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3908 [[char* cs = nl_langinfo(CODESET);]])],
3909 emacs_cv_langinfo_codeset=yes,
3910 emacs_cv_langinfo_codeset=no)
3912 if test $emacs_cv_langinfo_codeset = yes; then
3913 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3914 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3919 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3920 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3921 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3922 if test "$emacs_cv_c_restrict_arr" = yes; then
3923 AC_DEFINE(__restrict_arr, __restrict,
3924 [Define to compiler's equivalent of C99 restrict keyword in array
3925 declarations. Define as empty for no equivalent.])
3928 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3929 dnl how the tty code is related to POSIX and/or other versions of termios.
3930 dnl The following looks like a useful start.
3932 dnl AC_SYS_POSIX_TERMIOS
3933 dnl if test $ac_cv_sys_posix_termios = yes; then
3934 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3935 dnl and macros for terminal control.])
3936 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3939 dnl Turned on June 1996 supposing nobody will mind it.
3940 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3941 if test "${opsys}" != "mingw32"; then
3942 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3943 in the full name stands for the login id.])
3946 dnl Everybody supports this, except MS.
3947 dnl Seems like the kind of thing we should be testing for, though.
3948 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3949 if test "${opsys}" != "mingw32"; then
3950 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3953 dnl Everybody supports this, except MS-DOS.
3954 dnl Seems like the kind of thing we should be testing for, though.
3955 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3956 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3957 4.2-compatible sockets.])
3959 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3961 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3962 a null file, or a data sink.])
3963 if test "${opsys}" = "mingw32"; then
3964 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3966 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3969 if test "${opsys}" = "mingw32"; then
3974 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3975 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3976 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3977 dnl decides that a command-line argument to be passed to a MinGW program
3978 dnl is a PATH-style list of directories. But that heuristics plays it
3979 dnl safe, and only does the replacement when it is _absolutely_ sure it
3980 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3981 dnl which breaks in-tree builds. So we do this manually instead.
3982 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3983 dnl be computed as ':' in MSYS Bash.
3986 dnl Everybody supports this, except MS-DOS.
3987 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3989 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3992 AC_DEFINE(DIRECTORY_SEP, ['/'],
3993 [Character that separates directories in a file name.])
3995 if test "${opsys}" = "mingw32"; then
3996 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3997 [Returns true if character is a device separator.])
3999 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4000 [Returns true if character is a directory separator.])
4002 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4003 [Returns true if character is any form of separator.])
4005 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4006 [Returns true if character is a device separator.])
4008 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4009 [Returns true if character is a directory separator.])
4011 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4012 [Returns true if character is any form of separator.])
4015 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4019 dnl Unfortunately without libXmu we cannot support EditRes.
4020 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4021 AC_DEFINE(NO_EDITRES, 1)
4026 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4027 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4028 AC_DEFINE(NO_EDITRES, 1)
4034 irix6-5 | sol2* | unixware )
4035 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4036 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4037 dnl need the constant to dimension an array. So wire in the appropriate
4039 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4043 emacs_broken_SIGIO=no
4046 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4047 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4048 hpux* | irix6-5 | openbsd | sol2* | unixware )
4049 emacs_broken_SIGIO=yes
4053 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4054 dnl the way this system works, libc functions that return malloced
4055 dnl memory use the libc malloc implementation. Calling xfree or
4056 dnl xrealloc on the results of such functions results in a crash.
4058 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4059 dnl but that does not currently work on this system.
4061 dnl It is possible to completely override the malloc implementation on
4062 dnl AIX, but that involves putting the malloc functions in a shared
4063 dnl library and setting the MALLOCTYPE environment variable to point to
4064 dnl that shared library.
4066 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4067 dnl to avoid a crash just use the Emacs implementation for that function.
4069 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4070 dnl of this file, so that we do not check for get_current_dir_name
4071 dnl on AIX. But that might be fragile if something else ends
4072 dnl up testing for get_current_dir_name as a dependency.
4073 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4074 get_current_dir_name should not be used.])
4078 dnl Circumvent a bug in FreeBSD. In the following sequence of
4079 dnl writes/reads on a PTY, read(2) returns bogus data:
4081 dnl write(2) 1022 bytes
4082 dnl write(2) 954 bytes, get EAGAIN
4083 dnl read(2) 1024 bytes in process_read_output
4084 dnl read(2) 11 bytes in process_read_output
4086 dnl That is, read(2) returns more bytes than have ever been written
4087 dnl successfully. The 1033 bytes read are the 1022 bytes written
4088 dnl successfully after processing (for example with CRs added if the
4089 dnl terminal is set up that way which it is here). The same bytes will
4090 dnl be seen again in a later read(2), without the CRs.
4091 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4092 work around an issue when reading from a PTY.])
4098 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4099 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4104 darwin | dragonfly | freebsd | netbsd | openbsd )
4105 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4106 close a pty to make it a controlling terminal (it is already a
4107 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4111 dnl FIXME Surely we can test for this rather than hard-code it.
4113 netbsd | openbsd) sound_device="/dev/audio" ;;
4114 *) sound_device="/dev/dsp" ;;
4118 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4119 [Name of the default sound device.])
4122 dnl Emacs can read input using SIGIO and buffering characters itself,
4123 dnl or using CBREAK mode and making C-g cause SIGINT.
4124 dnl The choice is controlled by the variable interrupt_input.
4126 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4128 dnl Emacs uses the presence of the USABLE_SIGIO macro
4129 dnl to indicate whether or not signal-driven I/O is possible. It uses
4130 dnl INTERRUPT_INPUT to decide whether to use it by default.
4132 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4133 dnl CBREAK mode has two disadvantages
4134 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4135 dnl I hear that in system V this problem does not exist.
4136 dnl 2) Control-G causes output to be discarded.
4137 dnl I do not know whether this can be fixed in system V.
4139 dnl Another method of doing input is planned but not implemented.
4140 dnl It would have Emacs fork off a separate process
4141 dnl to read the input and send it to the true Emacs process
4144 darwin | gnu-linux | gnu-kfreebsd )
4145 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4150 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4151 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4152 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4153 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4154 dnl taking float or double parameters.
4156 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4157 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4158 file defines `NeedWidePrototypes' as `NO'.])
4163 dnl Used in process.c, this must be a loop, even if it only runs once.
4164 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4165 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4166 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4167 dnl trying suffixes 0-16.
4168 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4169 first PTY, if PTYs are supported.])
4170 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4171 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4172 end of a PTY, if non-standard.])
4173 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4174 end of a PTY, if non-standard.])
4178 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4179 dnl You allocate a pty by opening /dev/ptc to get the master side.
4180 dnl To get the name of the slave side, you just ttyname() the master side.
4181 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4182 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4186 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4187 dnl multi-line AC_DEFINEs are hard. :(
4188 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)])
4189 AC_DEFINE(PTY_NAME_SPRINTF, [])
4190 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4193 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4195 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4196 dnl Not used, because PTY_ITERATION is defined.
4197 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4198 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4199 dnl But we don't have to block SIGCHLD because it is blocked in the
4200 dnl implementation of grantpt.
4201 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4202 AC_DEFINE(PTY_NAME_SPRINTF, [])
4203 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4207 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4210 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4212 if test "x$ac_cv_func_grantpt" = xyes; then
4213 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4214 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4215 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4216 dnl to prevent sigchld_handler from intercepting the child's death.
4217 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); }])
4218 dnl if HAVE_POSIX_OPENPT
4219 if test "x$ac_cv_func_posix_openpt" = xyes; then
4220 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4221 AC_DEFINE(PTY_NAME_SPRINTF, [])
4223 elif test "x$ac_cv_func_getpt" = xyes; then
4224 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4225 AC_DEFINE(PTY_NAME_SPRINTF, [])
4227 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4230 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4235 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4236 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4237 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4241 dnl It looks like this cannot be right, because it is not a loop.
4242 dnl However, process.c actually does this:
4248 dnl which presumably makes it OK, since irix == sgi (?).
4249 dnl FIXME it seems like this special treatment is unnecessary?
4250 dnl Why can't irix use a single-trip loop like eg cygwin?
4251 AC_DEFINE(PTY_ITERATION, [])
4252 dnl Not used, because PTY_ITERATION is defined.
4253 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4254 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); }])
4255 dnl No need to get the pty name at all.
4256 AC_DEFINE(PTY_NAME_SPRINTF, [])
4257 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4258 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4262 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4263 dnl from intercepting that death. If any child but grantpt's should die
4264 dnl within, it should be caught after sigrelse(2).
4265 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); }])
4269 dnl Comments are as per sol2*.
4270 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); }])
4277 dnl This change means that we don't loop through allocate_pty too
4278 dnl many times in the (rare) event of a failure.
4279 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4280 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4281 dnl Push various streams modules onto a PTY channel. Used in process.c.
4282 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.])
4287 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4288 "typing" a signal character on the pty.])
4291 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4292 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4293 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4294 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4297 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4298 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4299 gnu-linux | gnu-kfreebsd )
4301 AC_MSG_CHECKING([for signals via characters])
4302 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4303 #include <linux/version.h>
4304 #if LINUX_VERSION_CODE < 0x20400
4305 # error "Linux version too old"
4307 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4309 AC_MSG_RESULT([$emacs_signals_via_chars])
4310 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4315 AH_TEMPLATE(TAB3, [Undocumented.])
4318 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4320 gnu | dragonfly | freebsd | netbsd | openbsd )
4321 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4322 AC_DEFINE(TAB3, OXTABS)
4325 gnu-linux | gnu-kfreebsd )
4326 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4330 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4331 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4332 [Mark a secondary stack, like the register stack on the ia64.]), [])
4336 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4337 run_time_remap; for HPUX.])
4342 dnl This won't be used automatically yet. We also need to know, at least,
4343 dnl that the stack is continuous.
4344 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4345 registers relevant for conservative garbage collection in the jmp_buf.])
4349 dnl Not all the architectures are tested, but there are Debian packages
4350 dnl for SCM and/or Guile on them, so the technique must work. See also
4351 dnl comments in alloc.c concerning setjmp and gcc.
4352 dnl Fixme: it's probably safe to just use the GCC conditional below.
4353 gnu-linux | gnu-kfreebsd )
4354 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4355 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4356 || defined __alpha__ || defined __mips__ || defined __s390__ \
4357 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4358 || defined __ia64__ || defined __sh__
4361 # error "setjmp not known to work on this arch"
4363 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4368 if test x$GCC = xyes; then
4369 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4370 AC_DEFINE(GC_SETJMP_WORKS, 1)
4373 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4374 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4375 AC_DEFINE(GC_SETJMP_WORKS, 1)
4380 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4381 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4384 [[#include <setjmp.h>
4386 # define _longjmp longjmp
4391 _longjmp (j, 1);]])],
4392 [emacs_cv_func__setjmp=yes],
4393 [emacs_cv_func__setjmp=no])])
4394 if test $emacs_cv_func__setjmp = yes; then
4395 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4397 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4400 [[#include <setjmp.h>
4403 if (! sigsetjmp (j, 1))
4404 siglongjmp (j, 1);]])],
4405 [emacs_cv_func_sigsetjmp=yes],
4406 [emacs_cv_func_sigsetjmp=no])])
4407 if test $emacs_cv_func_sigsetjmp = yes; then
4408 AC_DEFINE([HAVE_SIGSETJMP], 1,
4409 [Define to 1 if sigsetjmp and siglongjmp work.
4410 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4416 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4417 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4418 dnl and this is all we need.
4419 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4426 dnl Used in xfaces.c.
4427 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4428 some systems, where it requires time.h.])
4433 dnl Define symbols to identify the version of Unix this is.
4434 dnl Define all the symbols that apply correctly.
4435 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4436 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4437 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4438 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4443 dnl This symbol should be defined on AIX Version 3 ???????
4444 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4446 # error "_AIX not defined"
4448 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4452 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4456 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4457 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4458 dnl distinguish OS X from pure Darwin.
4459 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4462 gnu-linux | gnu-kfreebsd )
4464 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4469 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4474 AC_DEFINE(USG5_4, [])
4475 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4479 AC_DEFINE(DOS_NT, [])
4480 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4481 if test "x$ac_enable_checking" != "x" ; then
4482 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4488 AC_DEFINE(USG5_4, [])
4489 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4494 AC_DEFINE(USG5_4, [])
4498 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4501 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4502 emacs_cv_usable_FIONREAD=no
4506 emacs_cv_usable_FIONREAD=yes
4511 [AC_LANG_PROGRAM([[#include <sys/types.h>
4512 #include <sys/ioctl.h>
4514 # include <sys/filio.h>
4517 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4518 [emacs_cv_usable_FIONREAD=yes],
4519 [emacs_cv_usable_FIONREAD=no])
4522 if test $emacs_cv_usable_FIONREAD = yes; then
4523 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4525 if test $emacs_broken_SIGIO = no; then
4526 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4528 [AC_LANG_PROGRAM([[#include <fcntl.h>
4531 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4532 [emacs_cv_usable_SIGIO=yes],
4533 [emacs_cv_usable_SIGIO=no])],
4534 [emacs_cv_usable_SIGIO=yes],
4535 [emacs_cv_usable_SIGIO=no])
4536 if test $emacs_cv_usable_SIGIO = yes; then
4537 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4544 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4545 dnl and on Cygwin prior to version 1.7.24 that becomes the
4546 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4547 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4548 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4549 dnl needed starting with cygwin-1.7.24, and it is no longer
4550 dnl effective starting with glib-2.36. */
4552 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4553 G_SLICE environment variable to "always-malloc" at startup.])
4557 dnl It works to open the pty's tty in the parent (Emacs), then
4558 dnl close and reopen it in the child.
4559 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4560 works to open a pty's tty in the parent process, then close and
4561 reopen it in the child.])
4565 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4566 use VSUSP instead of VSWTCH.])
4570 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4575 # Set up the CFLAGS for real compilation, so we can substitute it.
4576 CFLAGS="$REAL_CFLAGS"
4577 CPPFLAGS="$REAL_CPPFLAGS"
4580 ## Hack to detect a buggy GCC version.
4581 if test "x$GCC" = xyes \
4582 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4583 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4584 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4585 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4588 version=$PACKAGE_VERSION
4590 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4591 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4592 [Short copyright string for this version of Emacs.])
4595 ### Specify what sort of things we'll be editing into Makefile and config.h.
4596 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4598 AC_SUBST(configuration)
4603 AC_SUBST(exec_prefix)
4606 AC_SUBST(sharedstatedir)
4607 AC_SUBST(libexecdir)
4611 AC_SUBST(standardlisppath)
4612 AC_SUBST(locallisppath)
4614 AC_SUBST(x_default_search_path)
4616 AC_SUBST(archlibdir)
4621 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4622 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4623 ## end of LIBX_BASE, but nothing ever set it.
4624 AC_SUBST(LD_SWITCH_X_SITE)
4625 AC_SUBST(C_SWITCH_X_SITE)
4626 AC_SUBST(GNUSTEP_CFLAGS)
4628 ## Used in lwlib/Makefile.in.
4629 AC_SUBST(X_TOOLKIT_TYPE)
4631 AC_SUBST(ns_appbindir)
4632 AC_SUBST(ns_appresdir)
4634 AC_SUBST(GNU_OBJC_CFLAGS)
4635 AC_SUBST(OTHER_FILES)
4637 if test -n "${term_header}"; then
4638 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4639 [Define to the header for the built-in window system.])
4642 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4643 [Define to the canonical Emacs configuration name.])
4644 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4645 [Define to the options passed to configure.])
4646 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4647 define this to include extra configuration information.])
4651 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4658 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4659 AC_DEFINE(HAVE_X_WINDOWS, 1,
4660 [Define to 1 if you want to use the X window system.])
4662 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4664 if test "$HAVE_XFT" = "yes"; then
4665 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4666 elif test "$HAVE_FREETYPE" = "yes"; then
4667 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4677 if test "${USE_X_TOOLKIT}" != "none" ; then
4679 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4680 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4681 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4682 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4683 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4687 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4688 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4692 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4693 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4694 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4698 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4699 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4702 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4705 AC_SUBST(WIDGET_OBJ)
4708 case "$USE_X_TOOLKIT" in
4709 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4710 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4711 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4713 AC_SUBST(TOOLKIT_LIBW)
4715 if test "${opsys}" != "mingw32"; then
4716 if test "$USE_X_TOOLKIT" = "none"; then
4717 LIBXT_OTHER="\$(LIBXSM)"
4719 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4722 AC_SUBST(LIBXT_OTHER)
4724 if test "${HAVE_X11}" = "yes" ; then
4725 AC_DEFINE(HAVE_X11, 1,
4726 [Define to 1 if you want to use version 11 of X windows.])
4727 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4731 AC_SUBST(LIBX_OTHER)
4733 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4735 elif test "$USE_X_TOOLKIT" = none; then
4736 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4738 LIBXMENU='$(lwlibdir)/liblw.a'
4742 if test "${GNU_MALLOC}" = "yes" ; then
4743 AC_DEFINE(GNU_MALLOC, 1,
4744 [Define to 1 if you want to use the GNU memory allocator.])
4748 if test "${REL_ALLOC}" = "yes" ; then
4749 AC_DEFINE(REL_ALLOC, 1,
4750 [Define REL_ALLOC if you want to use the relocating allocator for
4753 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4755 AC_SUBST(RALLOC_OBJ)
4757 if test "$opsys" = "cygwin"; then
4758 CYGWIN_OBJ="sheap.o cygw32.o"
4759 ## Cygwin differs because of its unexec().
4761 POST_ALLOC_OBJ=lastfile.o
4762 elif test "$opsys" = "mingw32"; then
4765 POST_ALLOC_OBJ=lastfile.o
4768 PRE_ALLOC_OBJ=lastfile.o
4771 AC_SUBST(CYGWIN_OBJ)
4772 AC_SUBST(PRE_ALLOC_OBJ)
4773 AC_SUBST(POST_ALLOC_OBJ)
4775 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4776 dnl verbatim defined above. The tricky name is apropos, as this hack
4777 dnl makes Fortify go sour!
4778 AH_VERBATIM([FORTIFY_SOUR],
4779 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4780 The workaround disables some useful run-time checking, so it
4781 should be conditional to the platforms with the performance bug.
4782 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4783 #if defined __APPLE__ && defined __GNUC__
4784 # ifndef _DONT_USE_CTYPE_INLINE_
4785 # define _DONT_USE_CTYPE_INLINE_
4787 # ifndef _FORTIFY_SOURCE
4788 # define _FORTIFY_SOURCE 0
4793 # If user asks to omit features, disable optional features that gnulib
4794 # might otherwise enable.
4795 if test "$with_features" = no && test "$enable_acl" != yes; then
4799 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4800 # it temporarily reverts them to their pre-pkg-config values,
4801 # because gnulib needs to work with both src (which uses the
4802 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4803 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4804 # and it therefore needs to run in an environment where LIBS does not
4805 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4806 # for some package unrelated to lib-src.
4809 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4810 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4811 gl_ASSERT_NO_GNULIB_POSIXCHECK
4812 gl_ASSERT_NO_GNULIB_TESTS
4817 if test "${opsys}" = "mingw32"; then
4818 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4819 # Remove unneeded switches from the value of CC that goes to Makefiles
4820 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4824 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4827 ## The -headerpad option tells ld (see man page) to leave room at the
4828 ## end of the header for adding load commands. Needed for dumping.
4829 ## 0x690 is the total size of 30 segment load commands (at 56
4830 ## each); under Cocoa 31 commands are required.
4831 if test "$HAVE_NS" = "yes"; then
4832 libs_nsgui="-framework AppKit"
4833 if test "$NS_IMPL_COCOA" = "yes"; then
4834 libs_nsgui="$libs_nsgui -framework IOKit"
4841 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4843 ## This is here because src/Makefile.in did some extra fiddling around
4844 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4845 ## LD_SWITCH_SYSTEM_TEMACS instead,
4846 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4847 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4850 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4851 ## find X at run-time.
4852 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4853 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4854 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4855 ## had different values in configure (in ac_link) and src/Makefile.in.
4856 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4857 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4860 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4861 case "$canonical" in
4862 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4863 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4867 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4869 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4872 if test x$ac_enable_profiling != x ; then
4874 *freebsd | gnu-linux) ;;
4875 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4879 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4881 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4883 ## Common for all window systems
4884 if test "$window_system" != "none"; then
4885 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4886 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4887 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4890 AC_SUBST(WINDOW_SYSTEM_OBJ)
4892 AH_TOP([/* GNU Emacs site configuration template file.
4894 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4895 Free Software Foundation, Inc.
4897 This file is part of GNU Emacs.
4899 GNU Emacs is free software: you can redistribute it and/or modify
4900 it under the terms of the GNU General Public License as published by
4901 the Free Software Foundation, either version 3 of the License, or
4902 (at your option) any later version.
4904 GNU Emacs is distributed in the hope that it will be useful,
4905 but WITHOUT ANY WARRANTY; without even the implied warranty of
4906 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4907 GNU General Public License for more details.
4909 You should have received a copy of the GNU General Public License
4910 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4913 /* No code in Emacs #includes config.h twice, but some bits of code
4914 intended to work with other packages as well (like gmalloc.c)
4915 think they can include it as many times as they like. */
4916 #ifndef EMACS_CONFIG_H
4917 #define EMACS_CONFIG_H
4920 AH_BOTTOM([#include <conf_post.h>
4922 #endif /* EMACS_CONFIG_H */
4931 #### Report on what we decided to do.
4932 #### Report GTK as a toolkit, even if it doesn't use Xt.
4933 #### It makes printing result more understandable as using GTK sets
4934 #### toolkit_scroll_bars to yes by default.
4935 if test "${HAVE_GTK}" = "yes"; then
4936 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4939 if test $USE_ACL -ne 0; then
4940 ACL_SUMMARY="yes $LIB_ACL"
4946 Configured for \`${canonical}'.
4948 Where should the build process find the source code? ${srcdir}
4949 What compiler should emacs be built with? ${CC} ${CFLAGS}
4950 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4951 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4952 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4953 What window system should Emacs use? ${window_system}
4954 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4956 if test -n "${x_includes}"; then
4957 echo " Where do we find X Windows header files? ${x_includes}"
4959 echo " Where do we find X Windows header files? Standard dirs"
4961 if test -n "${x_libraries}"; then
4962 echo " Where do we find X Windows libraries? ${x_libraries}"
4964 echo " Where do we find X Windows libraries? Standard dirs"
4968 emacs_config_features=
4969 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
4970 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
4974 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
4975 *) eval val=\${HAVE_$opt} ;;
4977 test x"$val" = xno && continue
4978 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
4981 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
4982 [Summary of some of the main features enabled by configure.])
4984 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4985 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4986 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4987 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4988 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4989 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
4990 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4991 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4993 echo " Does Emacs support sound? ${HAVE_SOUND}"
4995 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4996 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4997 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4998 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4999 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5000 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5001 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5002 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5003 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5005 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5006 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5007 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5008 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5009 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5011 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5014 if test -n "${EMACSDATA}"; then
5015 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5017 if test -n "${EMACSDOC}"; then
5018 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5023 if test "$HAVE_NS" = "yes"; then
5025 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5026 The installed application will go to nextstep/Emacs.app and can be
5027 run or moved from there."
5028 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5029 echo "The application will be fully self-contained."
5031 echo "The lisp resources for the application will be installed under ${prefix}.
5032 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5033 to run if these resources are not installed."
5038 if test "${opsys}" = "cygwin"; then
5040 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5046 # Remove any trailing slashes in these variables.
5047 [test "${prefix}" != NONE &&
5048 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5049 test "${exec_prefix}" != NONE &&
5050 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5052 if test "$HAVE_NS" = "yes"; then
5053 if test "$NS_IMPL_GNUSTEP" = yes; then
5054 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5055 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5056 ns_check_file=Resources/Info-gnustep.plist
5058 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5059 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5060 ns_check_file=Contents/Info.plist
5062 AC_SUBST(ns_check_file)
5065 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5066 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5067 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5068 dnl (else you get "no `Makefile.am' found for any configure output").
5069 dnl This will work, but you get a config.status that is not quite right
5070 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5071 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5072 dnl it seems better to just live with the duplication.
5073 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5075 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5076 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5077 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5078 leim/Makefile nextstep/Makefile nt/Makefile])
5080 dnl test/ is not present in release tarfiles.
5081 opt_makefile=test/automated/Makefile
5083 if test -f "$srcdir/$opt_makefile.in"; then
5084 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5085 dnl Again, it's best not to use a variable. Though you can add
5086 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5087 AC_CONFIG_FILES([test/automated/Makefile])
5091 dnl The admin/ directory used to be excluded from tarfiles.
5092 if test -d $srcdir/admin; then
5093 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5094 AC_CONFIG_FILES([admin/unidata/Makefile])
5095 AC_CONFIG_FILES([admin/grammars/Makefile])
5099 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5101 AC_SUBST(SUBDIR_MAKEFILES_IN)
5103 dnl You might wonder (I did) why epaths.h is generated by running make,
5104 dnl rather than just letting configure generate it from epaths.in.
5105 dnl One reason is that the various paths are not fully expanded (see above);
5106 dnl eg gamedir=${prefix}/var/games/emacs.
5107 dnl Secondly, the GNU Coding standards require that one should be able
5108 dnl to run `make prefix=/some/where/else' and override the values set
5109 dnl by configure. This also explains the `move-if-change' test and
5110 dnl the use of force in the `epaths-force' rule in Makefile.in.
5111 AC_CONFIG_COMMANDS([src/epaths.h], [
5112 if test "${opsys}" = "mingw32"; then
5113 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5115 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5117 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5119 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5120 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5122 AC_CONFIG_COMMANDS([src/.gdbinit], [
5123 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5124 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5130 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])