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, 1999-2013 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 AC_INIT(emacs, 24.3.50)
27 test "x$MSYSTEM" = "xMINGW32" && . $srcdir/nt/mingw-cfg.site
29 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
30 dnl and then quoted again for a C string. Separate options with spaces.
31 dnl Add some environment variables, if they were passed via the environment
32 dnl rather than on the command-line.
35 dnl This is the documented way to record the args passed to configure,
36 dnl rather than $ac_configure_args.
37 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
39 -n | --no-create | --no-recursion)
41 CFLAGS | CPPFLAGS | LDFLAGS)
42 eval 'test "${'$opt'+set}" = set' || continue
44 *" $opt="*) continue ;;
46 eval opt=$opt=\$$opt ;;
49 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
51 *[["$emacs_shell_specials"]]*)
54 emacs_quote_apostrophes="s/'/'\\\\''/g"
55 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
60 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
61 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
64 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
68 AC_CONFIG_HEADER(src/config.h:src/config.in)
69 AC_CONFIG_SRCDIR(src/lisp.h)
70 AC_CONFIG_AUX_DIR(build-aux)
71 dnl Fairly arbitrary, older versions might work too.
72 AM_INIT_AUTOMAKE(1.11)
74 dnl Support for --program-prefix, --program-suffix and
75 dnl --program-transform-name options
78 dnl It is important that variables on the RHS not be expanded here,
79 dnl hence the single quotes. This is per the GNU coding standards, see
80 dnl (autoconf) Installation Directory Variables
81 dnl See also epaths.h below.
82 lispdir='${datadir}/emacs/${version}/lisp'
83 standardlisppath='${lispdir}'
84 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
85 '${datadir}/emacs/site-lisp'
86 lisppath='${locallisppath}:${standardlisppath}'
87 etcdir='${datadir}/emacs/${version}/etc'
88 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
89 etcdocdir='${datadir}/emacs/${version}/etc'
90 gamedir='${localstatedir}/games/emacs'
92 dnl Special option to disable the most of other options.
94 [AS_HELP_STRING([--without-all],
95 [omit almost all features and build
96 small executable with minimal dependencies])],
97 [with_features=$withval],
100 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
101 dnl Create a new --with option that defaults to being disabled.
102 dnl NAME is the base name of the option. The shell variable with_NAME
103 dnl will be set to either the user's value (if the option is
104 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
105 dnl option is not specified). Note that the shell variable name is
106 dnl constructed as autoconf does, by replacing non-alphanumeric
107 dnl characters with "_".
108 dnl HELP-STRING is the help text for the option.
109 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
110 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
111 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
114 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
115 dnl Create a new --with option that defaults to $with_features.
116 dnl NAME is the base name of the option. The shell variable with_NAME
117 dnl will be set either to 'no' (for a plain --without-NAME) or to
118 dnl 'yes' (if the option is not specified). Note that the shell
119 dnl variable name is constructed as autoconf does, by replacing
120 dnl non-alphanumeric characters with "_".
121 dnl HELP-STRING is the help text for the option.
122 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
123 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
124 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
127 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
128 if test "$with_pop" = yes; then
129 AC_DEFINE(MAIL_USE_POP)
131 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
133 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
134 if test "$with_kerberos" != no; then
137 AH_TEMPLATE(KERBEROS,
138 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
140 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
141 if test "${with_kerberos5}" != no; then
142 if test "${with_kerberos}" = no; then
146 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
149 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
150 dnl FIXME hesiod support may not be present, so it seems like an error
151 dnl to define, or at least use, this unconditionally.
152 if test "$with_hesiod" != no; then
153 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
156 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
157 if test "$with_mmdf" != no; then
158 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
161 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
162 if test "$with_mail_unlink" != no; then
163 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
166 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
167 [string giving default POP mail host])],
168 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
170 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
171 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
172 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
173 [ case "${withval}" in
174 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
175 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
176 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
181 [with_sound=$with_features])
183 dnl FIXME currently it is not the last.
184 dnl This should be the last --with option, because --with-x is
185 dnl added later on when we find the file name of X, and it's best to
186 dnl keep them together visually.
187 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
188 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
189 [ case "${withval}" in
190 y | ye | yes ) val=gtk ;;
192 l | lu | luc | luci | lucid ) val=lucid ;;
193 a | at | ath | athe | athen | athena ) val=athena ;;
194 m | mo | mot | moti | motif ) val=motif ;;
195 g | gt | gtk ) val=gtk ;;
199 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
200 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
201 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
202 `athena' and `lucid' are synonyms.])
208 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
209 if test "$with_wide_int" = yes; then
210 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
213 dnl _ON results in a '--without' option in the --help output, so
214 dnl the help text should refer to "don't compile", etc.
215 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
216 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
217 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
218 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
219 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
220 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
221 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
222 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
224 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
225 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
226 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
228 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
229 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
230 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
231 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
232 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
234 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
235 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
236 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
237 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
238 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
239 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
240 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
242 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
243 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
244 [ case "${withval}" in
245 y | ye | yes ) val=yes ;;
247 g | gf | gfi | gfil | gfile ) val=gfile ;;
248 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
249 w | w3 | w32 ) val=w32 ;;
250 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
251 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
252 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
253 otherwise for the first of `gfile' or `inotify' that is usable.])
256 with_file_notification=$val
258 [with_file_notification=$with_features])
260 ## For the times when you want to build Emacs but don't have
261 ## a suitable makeinfo, and can live without the manuals.
262 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
263 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
265 ## Makefile.in needs the cache file name.
268 ## This is an option because I do not know if all info/man support
269 ## compressed files, nor how to test if they do so.
270 OPTION_DEFAULT_ON([compress-install],
271 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
272 make GZIP_PROG= install])
274 AC_ARG_WITH([pkg-config-prog],dnl
275 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
276 [file name of pkg-config for finding GTK and librsvg])])
277 if test "X${with_pkg_config_prog}" != X; then
278 if test "${with_pkg_config_prog}" != yes; then
279 PKG_CONFIG="${with_pkg_config_prog}"
283 AC_ARG_WITH(gameuser,dnl
284 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
285 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
286 && gameuser="${with_gameuser}"
287 test "X$gameuser" = X && gameuser=games
289 AC_ARG_WITH([gnustep-conf],dnl
290 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
291 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
292 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
293 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
294 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
295 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
297 AC_ARG_ENABLE(ns-self-contained,
298 [AS_HELP_STRING([--disable-ns-self-contained],
299 [disable self contained build under NeXTstep])],
300 EN_NS_SELF_CONTAINED=$enableval,
301 EN_NS_SELF_CONTAINED=yes)
303 AC_ARG_ENABLE(locallisppath,
304 [AS_HELP_STRING([--enable-locallisppath=PATH],
305 [directories Emacs should search for lisp files specific
307 if test "${enableval}" = "no"; then
309 elif test "${enableval}" != "yes"; then
310 locallisppath=${enableval}
313 AC_ARG_ENABLE(checking,
314 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
315 [enable expensive run-time checks. With LIST,
316 enable only specific categories of checks.
317 Categories are: all,yes,no.
318 Flags are: stringbytes, stringoverrun, stringfreelist,
319 xmallocoverrun, conslist, glyphs])],
320 [ac_checking_flags="${enableval}"],[])
321 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
322 for check in $ac_checking_flags
325 # these set all the flags to specific states
326 yes) ac_enable_checking=1 ;;
327 no) ac_enable_checking= ;
328 ac_gc_check_stringbytes= ;
329 ac_gc_check_string_overrun= ;
330 ac_gc_check_string_free_list= ;
331 ac_xmalloc_overrun= ;
332 ac_gc_check_cons_list= ;
334 all) ac_enable_checking=1 ;
335 ac_gc_check_stringbytes=1 ;
336 ac_gc_check_string_overrun=1 ;
337 ac_gc_check_string_free_list=1 ;
338 ac_xmalloc_overrun=1 ;
339 ac_gc_check_cons_list=1 ;
341 # these enable particular checks
342 stringbytes) ac_gc_check_stringbytes=1 ;;
343 stringoverrun) ac_gc_check_string_overrun=1 ;;
344 stringfreelist) ac_gc_check_string_free_list=1 ;;
345 xmallocoverrun) ac_xmalloc_overrun=1 ;;
346 conslist) ac_gc_check_cons_list=1 ;;
347 glyphs) ac_glyphs_debug=1 ;;
348 *) AC_MSG_ERROR(unknown check category $check) ;;
353 if test x$ac_enable_checking != x ; then
354 AC_DEFINE(ENABLE_CHECKING, 1,
355 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
357 if test x$ac_gc_check_stringbytes != x ; then
358 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
359 [Define this temporarily to hunt a bug. If defined, the size of
360 strings is redundantly recorded in sdata structures so that it can
361 be compared to the sizes recorded in Lisp strings.])
363 if test x$ac_gc_check_string_overrun != x ; then
364 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
365 [Define this to check for short string overrun.])
367 if test x$ac_gc_check_string_free_list != x ; then
368 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
369 [Define this to check the string free list.])
371 if test x$ac_xmalloc_overrun != x ; then
372 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
373 [Define this to check for malloc buffer overrun.])
375 if test x$ac_gc_check_cons_list != x ; then
376 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
377 [Define this to check for errors in cons list.])
379 if test x$ac_glyphs_debug != x ; then
380 AC_DEFINE(GLYPH_DEBUG, 1,
381 [Define this to enable glyphs debugging code.])
384 AC_ARG_ENABLE(check-lisp-object-type,
385 [AS_HELP_STRING([--enable-check-lisp-object-type],
386 [enable compile time checks for the Lisp_Object data type.
387 This is useful for development for catching certain types of bugs.])],
388 if test "${enableval}" != "no"; then
389 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
390 [Define this to enable compile time checks for the Lisp_Object data type.])
394 dnl The name of this option is unfortunate. It predates, and has no
395 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
396 dnl Actually, it stops it working.
397 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
398 AC_ARG_ENABLE(profiling,
399 [AS_HELP_STRING([--enable-profiling],
400 [build emacs with low-level, gprof profiling support.
401 Mainly useful for debugging Emacs itself. May not work on
402 all platforms. Stops profiler.el working.])],
403 [ac_enable_profiling="${enableval}"],[])
404 if test x$ac_enable_profiling != x ; then
405 PROFILING_CFLAGS="-DPROFILING=1 -pg"
409 AC_SUBST(PROFILING_CFLAGS)
411 AC_ARG_ENABLE(autodepend,
412 [AS_HELP_STRING([--enable-autodepend],
413 [automatically generate dependencies to .h-files.
414 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
416 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
418 AC_ARG_ENABLE(gtk-deprecation-warnings,
419 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
420 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
421 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
423 ### Canonicalize the configuration name.
427 configuration=${host_alias-${build_alias-$host}}
429 dnl This used to use changequote, but, apart from `changequote is evil'
430 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
431 dnl the great gob of text. Thus it's not processed for possible expansion.
432 dnl Just make sure the brackets remain balanced.
434 dnl Since Emacs can't find matching pairs of quotes, boundaries are
435 dnl indicated by comments.
439 ### If you add support for a new configuration, add code to this
440 ### switch statement to recognize your configuration name and select
441 ### the appropriate operating system file.
443 ### You would hope that you could choose an s/*.h
444 ### file based on the operating system portion. However, it turns out
445 ### that each s/*.h file is pretty manufacturer-specific.
446 ### So we basically have to have a special case for each
447 ### configuration name.
449 ### As far as handling version numbers on operating systems is
450 ### concerned, make sure things will fail in a fixable way. If
451 ### /etc/MACHINES doesn't say anything about version numbers, be
452 ### prepared to handle anything reasonably. If version numbers
453 ### matter, be sure /etc/MACHINES says something about it.
456 case "${canonical}" in
458 ## GNU/Linux and similar ports
473 ## FreeBSD kernel + glibc based userland
488 ## Apple Darwin / Mac OS X
490 case "${canonical}" in
497 ## Use fink packages if available.
498 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
499 ## if test -d /sw/include && test -d /sw/lib; then
500 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
501 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
510 ## HP 9000 series 700 and 800, running HP/UX
514 hppa*-hp-hpux1[1-9]* )
516 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
520 rs6000-ibm-aix4.[23]* )
523 powerpc-ibm-aix4.[23]* )
526 rs6000-ibm-aix[56]* )
529 powerpc-ibm-aix[56]* )
533 ## Silicon Graphics machines
537 # Without defining _LANGUAGE_C, things get masked out in the headers
538 # so that, for instance, grepping for `free' in stdlib.h fails and
539 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
540 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
545 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
546 | x86_64-*-solaris2* | x86_64-*-sunos5*)
547 case "${canonical}" in
549 amd64-*-*|x86_64-*-*) ;;
553 case "${canonical}" in
554 *-sunos5.6* | *-solaris2.6* )
558 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
560 emacs_check_sunpro_c=yes
562 *-sunos5* | *-solaris* )
564 emacs_check_sunpro_c=yes
567 ## Watch out for a compiler that we know will not work.
568 case "${canonical}" in
569 *-solaris* | *-sunos5* )
570 if [ "x$CC" = x/usr/ucb/cc ]; then
571 ## /usr/ucb/cc doesn't work;
572 ## we should find some other compiler that does work.
580 ## Intel 386 machines where we don't care about the manufacturer.
582 case "${canonical}" in
583 *-darwin* ) opsys=darwin ;;
586 # MinGW overrides and adds some system headers in nt/inc.
587 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
589 *-sysv4.2uw* ) opsys=unixware ;;
590 *-sysv5uw* ) opsys=unixware ;;
591 *-sysv5OpenUNIX* ) opsys=unixware ;;
592 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
601 ### If the code above didn't choose an operating system, just choose
602 ### an operating system based on the configuration name. You really
603 ### only want to use this when you have no idea what the right
604 ### operating system is; if you know what operating systems a machine
605 ### runs, it's cleaner to make it explicit in the case statement
607 if test x"${opsys}" = x; then
608 case "${canonical}" in
609 *-gnu* ) opsys=gnu ;;
619 if test $unported = yes; then
620 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
621 Check `etc/MACHINES' for recognized configuration names.])
625 #### Choose a compiler.
627 dnl Sets GCC=yes if using gcc.
631 if test x$GCC = xyes; then
632 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
634 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
637 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
638 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
639 dnl that clash with MinGW.
640 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
642 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
643 AC_DEFUN([gl_CRYPTO_CHECK])
644 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
645 # as we don't use them.
646 AC_DEFUN([gl_FCNTL_O_FLAGS])
647 # Avoid gnulib's threadlib module, as we do threads our own way.
648 AC_DEFUN([gl_THREADLIB])
650 # Initialize gnulib right after choosing the compiler.
651 dnl Amongst other things, this sets AR and ARFLAGS.
654 if test "$ac_test_CFLAGS" != set; then
655 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
656 # if -g3 works and the user does not specify CFLAGS.
657 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
660 emacs_g3_CFLAGS='-g3';;
662 emacs_g3_CFLAGS='-g3 -O2';;
666 if test -n "$emacs_g3_CFLAGS"; then
667 emacs_save_CFLAGS=$CFLAGS
668 CFLAGS=$emacs_g3_CFLAGS
669 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
670 [emacs_cv_prog_cc_g3],
671 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
672 [emacs_cv_prog_cc_g3=yes],
673 [emacs_cv_prog_cc_g3=no])])
674 if test $emacs_cv_prog_cc_g3 != yes; then
675 CFLAGS=$emacs_save_CFLAGS
677 if test $opsys = mingw32; then
678 CFLAGS="$CFLAGS -gdwarf-2"
685 # No optimization flag was inferred for this non-GCC compiler.
686 # Try -O. This is needed for xlc on AIX; see Bug#14258.
687 emacs_save_CFLAGS=$CFLAGS
688 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
690 AC_CACHE_CHECK([whether $CC accepts -O],
691 [emacs_cv_prog_cc_o],
692 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
693 [emacs_cv_prog_cc_o=yes],
694 [emacs_cv_prog_cc_o=no])])
695 if test $emacs_cv_prog_cc_o != yes; then
696 CFLAGS=$emacs_save_CFLAGS
701 AC_ARG_ENABLE([gcc-warnings],
702 [AS_HELP_STRING([--enable-gcc-warnings],
703 [turn on lots of GCC warnings/errors. This is intended for
704 developers, and may generate false alarms when used
705 with older or non-GNU development tools.])],
708 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
710 gl_gcc_warnings=$enableval],
714 AC_ARG_ENABLE(link-time-optimization,
715 [AS_HELP_STRING([--enable-link-time-optimization],
716 [build emacs with link-time optimization.
717 This is supported only for GCC since 4.5.0.])],
718 if test "${enableval}" != "no"; then
719 AC_MSG_CHECKING([whether link-time optimization is supported])
721 if test x$GCC = xyes; then
722 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
723 if test x$CPUS != x; then
729 CFLAGS="$CFLAGS $LTO"
730 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
731 [ac_lto_supported=yes], [ac_lto_supported=no])
734 AC_MSG_RESULT([$ac_lto_supported])
735 if test "$ac_lto_supported" = "yes"; then
736 CFLAGS="$CFLAGS $LTO"
740 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
741 # ------------------------------------------------
742 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
743 # Otherwise, run RUN-IF-NOT-FOUND.
744 AC_DEFUN([gl_GCC_VERSION_IFELSE],
748 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
751 # error "your version of gcc is older than $1.$2"
758 # clang is unduly picky about some things.
759 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
766 [emacs_cv_clang=yes],
767 [emacs_cv_clang=no])])
769 # When compiling with GCC, prefer -isystem to -I when including system
770 # include files, to avoid generating useless diagnostics for the files.
771 if test "$gl_gcc_warnings" != yes; then
773 if test "$emacs_cv_clang" = yes
775 # Turn off some warnings if supported.
776 gl_WARN_ADD([-Wno-switch])
777 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
778 gl_WARN_ADD([-Wno-pointer-sign])
783 # This, $nw, is the list of warnings we disable.
786 case $with_x_toolkit in
787 lucid | athena | motif)
788 # Old toolkits mishandle 'const'.
789 nw="$nw -Wwrite-strings"
792 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
795 AC_SUBST([WERROR_CFLAGS])
797 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
798 nw="$nw -Woverlength-strings" # Not a problem these days
799 nw="$nw -Wlogical-op" # any use of fwrite provokes this
800 nw="$nw -Wformat-nonliteral" # we do this a lot
801 nw="$nw -Wvla" # warnings in gettext.h
802 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
803 nw="$nw -Wswitch-default" # Too many warnings for now
804 nw="$nw -Winline" # OK to ignore 'inline'
805 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
806 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
807 # signed overflow has undefined behavior
808 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
809 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
810 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
812 # Emacs doesn't care about shadowing; see
813 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
816 # Emacs's use of alloca inhibits protecting the stack.
817 nw="$nw -Wstack-protector"
819 # The following line should be removable at some point.
820 nw="$nw -Wsuggest-attribute=pure"
822 # This part is merely for shortening the command line,
823 # since -Wno-FOO needs to be added below regardless.
824 nw="$nw -Wmissing-field-initializers"
826 nw="$nw -Wtype-limits"
827 nw="$nw -Wunused-parameter"
829 if test $emacs_cv_clang = yes; then
830 nw="$nw -Wcast-align"
833 gl_MANYWARN_ALL_GCC([ws])
834 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
838 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
839 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
840 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
841 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
842 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
843 gl_WARN_ADD([-Wno-format-nonliteral])
845 # In spite of excluding -Wlogical-op above, it is enabled, as of
846 # gcc 4.5.0 20090517.
847 gl_WARN_ADD([-Wno-logical-op])
849 # More things that clang is unduly picky about.
850 if test $emacs_cv_clang = yes; then
851 gl_WARN_ADD([-Wno-format-extra-args])
852 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
853 gl_WARN_ADD([-Wno-unused-command-line-argument])
854 gl_WARN_ADD([-Wno-unused-value])
857 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
858 AH_VERBATIM([FORTIFY_SOURCE],
859 [/* Enable compile-time and run-time bounds-checking, and some warnings,
860 without upsetting glibc 2.15+. */
861 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
862 # define _FORTIFY_SOURCE 2
865 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
867 # We use a slightly smaller set of warning options for lib/.
868 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
870 nw="$nw -Wunused-macros"
872 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
873 AC_SUBST([GNULIB_WARN_CFLAGS])
878 dnl Some other nice autoconf tests.
879 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
882 dnl if test "x$RANLIB" = x; then
887 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
888 dnl can be made to directories. This is not relevant for our usage, and
889 dnl excludes some cases that work fine for us. Eg MS Windows or files
890 dnl hosted on AFS, both examples where simple links work, but links to
891 dnl directories fail. We use a cut-down version instead.
894 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
895 rm -f conf$$ conf$$.file
897 LN_S_FILEONLY='cp -p'
899 if (echo >conf$$.file) 2>/dev/null; then
900 if ln -s conf$$.file conf$$ 2>/dev/null; then
901 LN_S_FILEONLY='ln -s'
902 elif ln conf$$.file conf$$ 2>/dev/null; then
907 rm -f conf$$ conf$$.file
909 if test "$LN_S_FILEONLY" = "ln -s"; then
912 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
915 AC_SUBST(LN_S_FILEONLY)
918 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
919 dnl doesn't support links to directories, as in "ln file dir". But that
920 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
921 dnl executables at "make install" time.
922 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
923 dnl for more details.
924 if test "$opsys" = "mingw32"; then
928 AC_PATH_PROG(INSTALL_INFO, install-info, :,
929 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
930 dnl Don't use GZIP, which is used by gzip for additional parameters.
931 AC_PATH_PROG(GZIP_PROG, gzip)
933 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
934 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
936 if test $opsys = gnu-linux; then
937 AC_PATH_PROG(PAXCTL, paxctl,,
938 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
939 if test "X$PAXCTL" != X; then
940 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
941 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
942 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
943 else AC_MSG_RESULT(no); PAXCTL=""; fi])
947 ## Need makeinfo >= 4.7 (?) to build the manuals.
948 AC_PATH_PROG(MAKEINFO, makeinfo, no)
949 dnl By this stage, configure has already checked for egrep and set EGREP,
950 dnl or exited with an error if no egrep was found.
951 if test "$MAKEINFO" != "no"; then
953 $MAKEINFO --version 2> /dev/null |
954 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
960 ## Makeinfo is unusual. For a released Emacs, the manuals are
961 ## pre-built, and not deleted by the normal clean rules. makeinfo is
962 ## therefore in the category of "special tools" not normally required, which
963 ## configure does not have to check for (eg autoconf itself).
964 ## In a Bazaar checkout on the other hand, the manuals are not included.
965 ## So makeinfo is a requirement to build from Bazaar, and configure
966 ## should test for it as it does for any other build requirement.
967 ## We use the presence of $srcdir/info/emacs to distinguish a release,
968 ## with pre-built manuals, from a Bazaar checkout.
971 if test "$MAKEINFO" = "no"; then
973 if test "x${with_makeinfo}" = "xno"; then
975 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
976 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
977 source tree does not seem to have pre-built manuals in the `info' directory.
978 Either install a suitable version of makeinfo, or re-run configure
979 with the `--without-makeinfo' option to build without the manuals.] )
982 AC_SUBST(HAVE_MAKEINFO)
984 dnl Just so that there is only a single place we need to edit.
990 if test $opsys = mingw32; then
995 AC_SUBST(DOCMISC_W32)
997 dnl Add our options to ac_link now, after it is set up.
999 if test x$GCC = xyes; then
1000 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1001 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1003 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1004 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1007 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1008 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1009 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1010 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1011 dnl if not built to support GNU ld.
1013 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1014 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1015 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1016 dnl Eg "make LDFLAGS=... all" could run into problems,
1017 dnl http://bugs.debian.org/684788
1018 dnl * unnecessary, since temacs is the only thing that actually needs it.
1019 dnl Indeed this is where it was originally, prior to:
1020 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1021 late_LDFLAGS="$LDFLAGS"
1022 if test x$GCC = xyes; then
1023 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1025 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1028 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1030 AC_MSG_CHECKING([for -znocombreloc])
1031 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1032 [AC_MSG_RESULT(yes)],
1033 LDFLAGS_NOCOMBRELOC=
1034 [AC_MSG_RESULT(no)])
1036 LDFLAGS="$late_LDFLAGS"
1038 dnl The function dump-emacs will not be defined and temacs will do
1039 dnl (load "loadup") automatically unless told otherwise.
1040 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1042 your-opsys-here) CANNOT_DUMP=yes ;;
1045 test "$CANNOT_DUMP" = "yes" && \
1046 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1048 AC_SUBST(CANNOT_DUMP)
1051 UNEXEC_OBJ=unexelf.o
1053 # MSDOS uses unexcoff.o
1055 UNEXEC_OBJ=unexaix.o
1061 UNEXEC_OBJ=unexmacosx.o
1064 UNEXEC_OBJ=unexhp9k800.o
1067 UNEXEC_OBJ=unexw32.o
1070 # Use the Solaris dldump() function, called from unexsol.c, to dump
1071 # emacs, instead of the generic ELF dump code found in unexelf.c.
1072 # The resulting binary has a complete symbol table, and is better
1073 # for debugging and other observability tools (debuggers, pstack, etc).
1075 # If you encounter a problem using dldump(), please consider sending
1076 # a message to the OpenSolaris tools-linking mailing list:
1077 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1079 # It is likely that dldump() works with older Solaris too, but this has
1080 # not been tested, so for now this change is for Solaris 10 or newer.
1081 UNEXEC_OBJ=unexsol.o
1088 ## Let `ld' find image libs and similar things in /usr/local/lib.
1089 ## The system compiler, GCC, has apparently been modified to not
1090 ## look there, contrary to what a stock GCC would do.
1091 ### It's not our place to do this. See bug#10313#17.
1092 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1097 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1098 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1102 ### It's not our place to do this. See bug#10313#17.
1103 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1108 ## Han Boetes <han@boetes.org> says this is necessary,
1109 ## otherwise Emacs dumps core on elf systems.
1110 LD_SWITCH_SYSTEM="-Z"
1113 AC_SUBST(LD_SWITCH_SYSTEM)
1115 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1117 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1118 ## which has not been defined yet. When this was handled with cpp,
1119 ## it was expanded to null when configure sourced the s/*.h file.
1120 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1121 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1122 ## (or somesuch), but because it is supposed to go at the _front_
1123 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1124 ## Compare with the gnu-linux case below, which added to the end
1125 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1126 ## LD_SWITCH_SYSTEM_TEMACS.
1129 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1136 AC_CHECK_DECL([__ELF__])
1137 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1138 ## With ELF, make sure that all common symbols get allocated to in the
1139 ## data section. Otherwise, the dump of temacs may miss variables in
1140 ## the shared library that have been initialized. For example, with
1141 ## GNU libc, __malloc_initialized would normally be resolved to the
1142 ## shared library's .bss section, which is fatal.
1143 if test "x$GCC" = "xyes"; then
1144 C_SWITCH_MACHINE="-fno-common"
1146 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1149 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1150 dnl albeit under the mistaken assumption that said file
1151 dnl was no longer used.
1152 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1156 AC_SUBST(C_SWITCH_MACHINE)
1158 AC_SUBST(UNEXEC_OBJ)
1161 ## Some programs in src produce warnings saying certain subprograms
1162 ## are too complex and need a MAXMEM value greater than 2000 for
1163 ## additional optimization. --nils@exp-math.uni-essen.de
1164 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1165 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1166 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1167 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1168 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1169 AC_SUBST(C_SWITCH_SYSTEM)
1174 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1175 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1177 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1179 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1181 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1183 ## Motif needs -lgen.
1184 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1187 AC_SUBST(LIBS_SYSTEM)
1189 ### Make sure subsequent tests use flags consistent with the build flags.
1191 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1192 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1194 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1197 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1198 AC_DEFUN([AC_TYPE_SIZE_T])
1199 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1200 AC_DEFUN([AC_TYPE_UID_T])
1204 dnl Current possibilities handled by sed (aix4-2 -> aix,
1205 dnl gnu-linux -> gnu/linux, etc.):
1206 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1207 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1208 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1215 ## Adding -lm confuses the dynamic linker, so omit it.
1218 freebsd | dragonfly )
1219 SYSTEM_TYPE=berkeley-unix
1221 gnu-linux | gnu-kfreebsd )
1223 hpux10-20 | hpux11 )
1227 SYSTEM_TYPE=windows-nt
1229 dnl NB this may be adjusted below.
1231 SYSTEM_TYPE=berkeley-unix
1235 SYSTEM_TYPE=usg-unix-v
1241 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1242 [The type of system you are compiling for; sets `system-type'.])
1245 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1246 pre_PKG_CONFIG_LIBS=$LIBS
1248 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1250 dnl This function definition taken from Gnome 2.0
1251 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1252 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1253 dnl also defines GSTUFF_PKG_ERRORS on error
1254 AC_DEFUN([PKG_CHECK_MODULES], [
1257 if test "$PKG_CONFIG" = "no" ; then
1258 ifelse([$4], , [AC_MSG_ERROR([
1259 *** The pkg-config script could not be found. Make sure it is in your path, or give the full name of pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1261 PKG_CONFIG_MIN_VERSION=0.9.0
1262 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1263 AC_MSG_CHECKING(for $2)
1265 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1266 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1267 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1274 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1275 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1276 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1282 ## If we have a custom action on failure, don't print errors, but
1283 ## do set a variable so people can do so. Do it in a subshell
1284 ## to capture any diagnostics in invoking pkg-config.
1285 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1286 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1292 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1293 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1297 if test $succeeded = yes; then
1298 ifelse([$3], , :, [$3])
1300 ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1305 if test "${with_sound}" != "no"; then
1306 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1307 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1308 have_sound_header=yes, [], [
1310 #define WIN32_LEAN_AND_MEAN
1311 #include <windows.h>
1314 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1315 AC_MSG_ERROR([OSS sound support requested but not found.])
1317 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1318 # Emulation library used on NetBSD.
1319 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1320 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1321 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1322 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1323 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1327 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1329 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1330 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1331 if test $HAVE_ALSA = yes; then
1332 SAVE_CFLAGS="$CFLAGS"
1334 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1335 LIBS="$ALSA_LIBS $LIBS"
1336 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1337 emacs_alsa_normal=yes,
1338 emacs_alsa_normal=no)
1339 if test "$emacs_alsa_normal" != yes; then
1340 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1341 [[snd_lib_error_set_handler (0);]])],
1342 emacs_alsa_subdir=yes,
1343 emacs_alsa_subdir=no)
1344 if test "$emacs_alsa_subdir" != yes; then
1345 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1347 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1350 CFLAGS="$SAVE_CFLAGS"
1352 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1353 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1354 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1355 elif test "${with_sound}" = "alsa"; then
1356 AC_MSG_ERROR([ALSA sound support requested but not found.])
1358 fi dnl with_sound = alsa|yes
1360 dnl Define HAVE_SOUND if we have sound support. We know it works and
1361 dnl compiles only on the specified platforms. For others, it
1362 dnl probably doesn't make sense to try.
1363 dnl FIXME So surely we should bypass this whole section if not using
1364 dnl one of these platforms?
1365 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1367 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1368 dnl Adjust the --with-sound help text if you change this.
1369 gnu-linux|freebsd|netbsd|mingw32)
1370 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1376 AC_SUBST(CFLAGS_SOUND)
1379 dnl checks for header files
1380 AC_CHECK_HEADERS_ONCE(
1384 sys/utsname.h pwd.h utmp.h util.h)
1386 AC_MSG_CHECKING(if personality LINUX32 can be set)
1387 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1388 emacs_cv_personality_linux32=yes,
1389 emacs_cv_personality_linux32=no)
1390 AC_MSG_RESULT($emacs_cv_personality_linux32)
1392 if test $emacs_cv_personality_linux32 = yes; then
1393 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1394 [Define to 1 if personality LINUX32 can be set.])
1397 dnl On Solaris 8 there's a compilation warning for term.h because
1398 dnl it doesn't define `bool'.
1399 AC_CHECK_HEADERS(term.h, , , -)
1401 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1403 if test $ac_cv_have_decl_sys_siglist != yes; then
1404 # For Tru64, at least:
1405 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1410 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1411 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1412 #if HAVE_SYS_SOCKET_H
1413 #include <sys/socket.h>
1415 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1416 #if HAVE_SYS_SOCKET_H
1417 #include <sys/socket.h>
1419 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1420 #if HAVE_SYS_SOCKET_H
1421 #include <sys/socket.h>
1424 dnl checks for structure members
1425 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1426 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1427 struct ifreq.ifr_addr,
1428 struct ifreq.ifr_addr.sa_len], , ,
1429 [AC_INCLUDES_DEFAULT
1430 #if HAVE_SYS_SOCKET_H
1431 #include <sys/socket.h>
1437 dnl Check for endianness.
1438 dnl AC_C_BIGENDIAN is done by gnulib.
1440 dnl check for Make feature
1441 dnl AC_PROG_MAKE_SET is done by Automake.
1446 dnl check for GNU Make if we have GCC and autodepend is on.
1447 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1448 AC_MSG_CHECKING([whether we are using GNU Make])
1450 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1451 if test "x$testval" != x; then
1454 ac_enable_autodepend=no
1456 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1457 if test $HAVE_GNU_MAKE = yes; then
1458 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1459 SAVE_CFLAGS="$CFLAGS"
1460 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1461 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1462 CFLAGS="$SAVE_CFLAGS"
1463 test -f deps.d || ac_enable_autodepend=no
1465 AC_MSG_RESULT([$ac_enable_autodepend])
1467 if test $ac_enable_autodepend = yes; then
1468 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1469 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1470 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1471 deps_frag=autodeps.mk
1474 deps_frag=$srcdir/src/$deps_frag
1477 AC_SUBST_FILE(deps_frag)
1480 lisp_frag=$srcdir/src/lisp.mk
1481 AC_SUBST_FILE(lisp_frag)
1484 dnl checks for operating system services
1485 AC_SYS_LONG_FILE_NAMES
1487 #### Choose a window system.
1489 ## We leave window_system equal to none if
1490 ## we end up building without one. Any new window system should
1491 ## set window_system to an appropriate value and add objects to
1492 ## window-system-specific substs.
1496 if test "$no_x" != yes; then
1500 LD_SWITCH_X_SITE_RPATH=
1501 if test "${x_libraries}" != NONE; then
1502 if test -n "${x_libraries}"; then
1503 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1504 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1506 x_default_search_path=""
1507 x_search_path=${x_libraries}
1508 if test -z "${x_search_path}"; then
1509 x_search_path=/usr/lib
1511 for x_library in `echo ${x_search_path}: | \
1512 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1514 ${x_library}/X11/%L/%T/%N%C%S:\
1515 ${x_library}/X11/%l/%T/%N%C%S:\
1516 ${x_library}/X11/%T/%N%C%S:\
1517 ${x_library}/X11/%L/%T/%N%S:\
1518 ${x_library}/X11/%l/%T/%N%S:\
1519 ${x_library}/X11/%T/%N%S"
1520 if test x"${x_default_search_path}" = x; then
1521 x_default_search_path=${x_search_path}
1523 x_default_search_path="${x_search_path}:${x_default_search_path}"
1527 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1529 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1530 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1533 if test x"${x_includes}" = x; then
1534 bitmapdir=/usr/include/X11/bitmaps
1536 # accumulate include directories that have X11 bitmap subdirectories
1538 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1539 if test -d "${bmd}/X11/bitmaps"; then
1540 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1542 if test -d "${bmd}/bitmaps"; then
1543 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1546 if test ${bmd_acc} != "dummyval"; then
1547 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1554 tmp_CPPFLAGS="$CPPFLAGS"
1555 tmp_CFLAGS="$CFLAGS"
1556 CPPFLAGS="$CPPFLAGS -x objective-c"
1557 CFLAGS="$CFLAGS -x objective-c"
1560 if test "${with_ns}" != no; then
1561 if test "${opsys}" = darwin; then
1563 ns_appdir=`pwd`/nextstep/Emacs.app
1564 ns_appbindir=${ns_appdir}/Contents/MacOS
1565 ns_appresdir=${ns_appdir}/Contents/Resources
1566 ns_appsrc=Cocoa/Emacs.base
1567 elif test -f $GNUSTEP_CONFIG_FILE; then
1569 ns_appdir=`pwd`/nextstep/Emacs.app
1570 ns_appbindir=${ns_appdir}
1571 ns_appresdir=${ns_appdir}/Resources
1572 ns_appsrc=GNUstep/Emacs.base
1573 dnl FIXME sourcing this several times in subshells seems inefficient.
1574 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1575 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1576 dnl I seemed to need these as well with GNUstep-startup 0.25.
1577 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1578 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1579 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1580 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1581 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1582 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1583 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1584 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1585 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1586 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1587 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1588 dnl If they had chosen to either define it or not, we could have
1589 dnl just used AC_CHECK_DECL here.
1590 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1591 emacs_cv_objc_exceptions,
1592 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1593 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1597 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1598 if test $emacs_cv_objc_exceptions = yes; then
1599 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1600 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1601 [Define if GNUstep uses ObjC exceptions.])
1602 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1606 dnl This is only used while we test the NS headers, it gets reset below.
1607 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1609 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1610 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1611 files are missing or cannot be compiled.])])
1614 if test "${NS_IMPL_COCOA}" = "yes"; then
1615 AC_MSG_CHECKING([for OSX 10.4 or newer])
1616 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1618 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1619 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1622 #error "OSX 10.4 or newer required"
1626 ns_osx_have_104=yes,
1628 AC_MSG_RESULT([$ns_osx_have_104])
1630 if test $ns_osx_have_104 = no; then
1631 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1633 AC_MSG_CHECKING([for OSX 10.5 or newer])
1634 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1636 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1637 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1640 #error "OSX 10.5 not found"
1644 ns_osx_have_105=yes,
1646 AC_MSG_RESULT([$ns_osx_have_105])
1647 if test $ns_osx_have_105 = yes; then
1648 macfont_file="macfont.o"
1651 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1653 ns_have_nsinteger=yes,
1654 ns_have_nsinteger=no)
1655 if test $ns_have_nsinteger = yes; then
1656 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1660 AC_SUBST(LIBS_GNUSTEP)
1662 INSTALL_ARCH_INDEP_EXTRA=install-etc
1663 ns_self_contained=no
1666 if test "${HAVE_NS}" = yes; then
1667 if test "$with_toolkit_scroll_bars" = "no"; then
1668 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1671 window_system=nextstep
1672 # set up packaging dirs
1673 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1674 ns_self_contained=yes
1675 prefix=${ns_appresdir}
1676 exec_prefix=${ns_appbindir}
1677 dnl This one isn't really used, only archlibdir is.
1678 libexecdir="\${ns_appbindir}/libexec"
1679 archlibdir="\${ns_appbindir}/libexec"
1680 etcdocdir="\${ns_appresdir}/etc"
1681 etcdir="\${ns_appresdir}/etc"
1682 dnl FIXME maybe set datarootdir instead.
1683 dnl That would also get applications, icons, man.
1684 infodir="\${ns_appresdir}/info"
1685 mandir="\${ns_appresdir}/man"
1686 lispdir="\${ns_appresdir}/lisp"
1687 INSTALL_ARCH_INDEP_EXTRA=
1690 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1692 CFLAGS="$tmp_CFLAGS"
1693 CPPFLAGS="$tmp_CPPFLAGS"
1694 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1695 AC_SUBST(ns_self_contained)
1697 AC_SUBST(NS_OBJC_OBJ)
1708 if test "${with_w32}" != no; then
1711 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1712 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1713 cannot be found.])])
1716 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1719 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1724 if test "${opsys}" = "mingw32"; then
1725 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1726 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1727 #include <windows.h>
1728 #include <usp10.h>]],
1729 [[PIMAGE_NT_HEADERS pHeader;
1730 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1731 [emacs_cv_w32api=yes
1734 AC_MSG_RESULT($emacs_cv_w32api)
1735 if test "${emacs_cv_w32api}" = "no"; then
1736 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1747 if test "${HAVE_W32}" = "yes"; then
1748 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1749 AC_CHECK_TOOL(WINDRES, [windres],
1750 [AC_MSG_ERROR([No resource compiler found.])])
1751 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1752 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1753 EMACSRES="emacs.res"
1754 case "$canonical" in
1755 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1756 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1758 UPDATE_MANIFEST=update-game-score.exe.manifest
1759 if test "${opsys}" = "cygwin"; then
1760 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1761 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1762 # Tell the linker that emacs.res is an object (which we compile from
1763 # the rc file), not a linker script.
1764 W32_RES_LINK="-Wl,emacs.res"
1766 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1767 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1768 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1769 W32_RES_LINK="\$(EMACSRES)"
1770 CLIENTRES="emacsclient.res"
1771 CLIENTW="emacsclientw\$(EXEEXT)"
1772 FIRSTFILE_OBJ=firstfile.o
1775 LIBS_ECLIENT="-lcomctl32"
1776 LIB_WSOCK32="-lwsock32"
1777 NTLIB="ntlib.$ac_objext"
1778 XARGS_LIMIT="-s 10000"
1784 AC_SUBST(EMACS_MANIFEST)
1785 AC_SUBST(UPDATE_MANIFEST)
1788 AC_SUBST(W32_RES_LINK)
1789 AC_SUBST(FIRSTFILE_OBJ)
1792 AC_SUBST(LIBS_ECLIENT)
1793 AC_SUBST(LIB_WSOCK32)
1795 AC_SUBST(XARGS_LIMIT)
1797 if test "${HAVE_W32}" = "yes"; then
1802 ## $window_system is now set to the window system we will
1805 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1806 # Too many warnings for now.
1808 nw="$nw -Wsuggest-attribute=const"
1809 nw="$nw -Wsuggest-attribute=noreturn"
1810 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1812 gl_WARN_ADD([-Wno-unused-variable])
1813 gl_WARN_ADD([-Wno-unused-but-set-variable])
1814 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1822 case "${window_system}" in
1827 case "${with_x_toolkit}" in
1828 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1829 motif ) USE_X_TOOLKIT=MOTIF ;;
1831 term_header=gtkutil.h
1832 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1833 dnl USE_X_TOOLKIT is set.
1834 USE_X_TOOLKIT=none ;;
1835 gtk2 ) with_gtk2=yes
1836 term_header=gtkutil.h
1837 USE_X_TOOLKIT=none ;;
1838 gtk3 ) with_gtk3=yes
1839 term_header=gtkutil.h
1840 USE_X_TOOLKIT=none ;;
1841 no ) USE_X_TOOLKIT=none ;;
1842 dnl If user did not say whether to use a toolkit, make this decision later:
1843 dnl use the toolkit if we have gtk, or X11R5 or newer.
1844 * ) USE_X_TOOLKIT=maybe ;;
1848 term_header=nsterm.h
1851 term_header=w32term.h
1855 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1856 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1857 if test "$HAVE_XSERVER" = true ||
1858 test -n "$DISPLAY" ||
1859 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1860 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1861 were found. You should install the relevant development files for X
1862 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1863 sure you have development files for image handling, i.e.
1864 tiff, gif, jpeg, png and xpm.
1865 If you are sure you want Emacs compiled without X window support, pass
1871 # Does the opsystem file prohibit the use of the GNU malloc?
1872 # Assume not, until told otherwise.
1876 [whether malloc is Doug Lea style],
1877 [emacs_cv_var_doug_lea_malloc],
1880 [[#include <malloc.h>
1881 static void hook (void) {}]],
1882 [[malloc_set_state (malloc_get_state ());
1883 __after_morecore_hook = hook;
1884 __malloc_initialize_hook = hook;]])],
1885 [emacs_cv_var_doug_lea_malloc=yes],
1886 [emacs_cv_var_doug_lea_malloc=no])])
1887 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1890 dnl See comments in aix4-2.h about maybe using system malloc there.
1893 ## darwin ld insists on the use of malloc routines in the System framework.
1894 darwin|sol2-10) system_malloc=yes ;;
1898 if test "${system_malloc}" = "yes"; then
1899 AC_DEFINE([SYSTEM_MALLOC], 1,
1900 [Define to 1 to use the system memory allocator, even if it is not
1904 (The GNU allocators don't work with this system configuration.)"
1907 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1908 VMLIMIT_OBJ=vm-limit.o
1910 AC_CHECK_HEADERS([sys/vlimit.h])
1911 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1914 [[extern char data_start[]; char ch;]],
1915 [[return data_start < &ch;]])],
1916 [emacs_cv_data_start=yes],
1917 [emacs_cv_data_start=no])])
1918 if test $emacs_cv_data_start = yes; then
1919 AC_DEFINE([HAVE_DATA_START], 1,
1920 [Define to 1 if data_start is the address of the start
1921 of the main data segment.])
1924 AC_SUBST(GMALLOC_OBJ)
1925 AC_SUBST(VMLIMIT_OBJ)
1927 if test "$doug_lea_malloc" = "yes" ; then
1928 if test "$GNU_MALLOC" = yes ; then
1930 (Using Doug Lea's new malloc from the GNU C Library.)"
1932 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1933 [Define to 1 if the system memory allocator is Doug Lea style,
1934 with malloc hooks and malloc_set_state.])
1936 ## Use mmap directly for allocating larger buffers.
1937 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1938 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1939 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1941 gnu*) REL_ALLOC=no ;;
1945 if test x"${REL_ALLOC}" = x; then
1946 REL_ALLOC=${GNU_MALLOC}
1949 use_mmap_for_buffers=no
1951 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1955 if test $use_mmap_for_buffers = yes; then
1956 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1960 LIBS="$LIBS_SYSTEM $LIBS"
1962 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
1963 AC_CHECK_LIB(dnet, dnet_ntoa)
1964 dnl This causes -lresolv to get used in subsequent tests,
1965 dnl which causes failures on some systems such as HPUX 9.
1966 dnl AC_CHECK_LIB(resolv, gethostbyname)
1968 dnl FIXME replace main with a function we actually want from this library.
1969 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1971 dnl Check if pthreads is available.
1973 AC_CHECK_HEADERS_ONCE(pthread.h)
1974 if test "$ac_cv_header_pthread_h"; then
1975 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1976 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1977 dnl testing for pthread_self if Emacs uses gmalloc.c.
1978 if test "$GMALLOC_OBJ" = gmalloc.o; then
1979 emacs_pthread_function=pthread_atfork
1981 emacs_pthread_function=pthread_self
1983 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1985 if test "$HAVE_PTHREAD" = yes; then
1986 case "${canonical}" in
1988 *) LIB_PTHREAD="-lpthread"
1989 LIBS="$LIB_PTHREAD $LIBS" ;;
1991 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1993 AC_SUBST([LIB_PTHREAD])
1995 AC_CHECK_LIB(pthreads, cma_open)
1997 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1998 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1999 ## the system file was sourced. Hence the value of LIBS_SYSTEM
2000 ## added to LIBS in configure would never contain the pthreads part,
2001 ## but the value used in Makefiles might. FIXME?
2003 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
2004 ## be harmless on older versions of X where it happens to exist.
2005 test "$opsys" = "aix4-2" && \
2006 test $ac_cv_lib_pthreads_cma_open = yes && \
2007 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2009 dnl Check for need for bigtoc support on IBM AIX
2013 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2015 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2016 *) gdb_cv_bigtoc=-bbigtoc ;;
2019 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2020 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2025 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2026 # used for the tests that follow. We set them back to REAL_CFLAGS and
2027 # REAL_CPPFLAGS later on.
2029 REAL_CFLAGS="$CFLAGS"
2030 REAL_CPPFLAGS="$CPPFLAGS"
2032 if test "${HAVE_X11}" = "yes"; then
2033 DEFS="$C_SWITCH_X_SITE $DEFS"
2034 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2036 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2037 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2039 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2040 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2041 # but it's more convenient here to set LD_RUN_PATH since this
2042 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2043 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2044 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2048 if test "${opsys}" = "gnu-linux"; then
2049 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2050 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2051 [[XOpenDisplay ("foo");]])],
2052 [xgnu_linux_first_failure=no],
2053 [xgnu_linux_first_failure=yes])
2054 if test "${xgnu_linux_first_failure}" = "yes"; then
2055 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2056 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2057 OLD_CPPFLAGS="$CPPFLAGS"
2059 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2060 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2061 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2062 LIBS="$LIBS -b i486-linuxaout"
2063 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2064 [[XOpenDisplay ("foo");]])],
2065 [xgnu_linux_second_failure=no],
2066 [xgnu_linux_second_failure=yes])
2067 if test "${xgnu_linux_second_failure}" = "yes"; then
2068 # If we get the same failure with -b, there is no use adding -b.
2069 # So take it out. This plays safe.
2070 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2071 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2072 CPPFLAGS="$OLD_CPPFLAGS"
2083 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2084 # header files included from there.
2085 AC_MSG_CHECKING(for Xkb)
2086 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2087 #include <X11/XKBlib.h>]],
2088 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2089 emacs_xkb=yes, emacs_xkb=no)
2090 AC_MSG_RESULT($emacs_xkb)
2091 if test $emacs_xkb = yes; then
2092 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2095 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2096 XScreenNumberOfScreen)
2099 if test "${window_system}" = "x11"; then
2100 AC_MSG_CHECKING(X11 version 6)
2101 AC_CACHE_VAL(emacs_cv_x11_version_6,
2102 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2103 [[#if XlibSpecificationRelease < 6
2106 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2107 if test $emacs_cv_x11_version_6 = yes; then
2108 AC_MSG_RESULT(6 or newer)
2109 AC_DEFINE(HAVE_X11R6, 1,
2110 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2111 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2112 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2116 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2117 [Define if you have usable X11R6-style XIM support.])
2121 AC_MSG_RESULT(before 6)
2126 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2128 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2129 if test "${with_rsvg}" != "no"; then
2130 RSVG_REQUIRED=2.11.0
2131 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2133 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2134 AC_SUBST(RSVG_CFLAGS)
2137 if test $HAVE_RSVG = yes; then
2138 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2139 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2140 # Windows loads librsvg dynamically
2141 if test "${opsys}" = "mingw32"; then
2144 LIBS="$RSVG_LIBS $LIBS"
2150 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
2151 if test "${with_imagemagick}" != "no"; then
2152 ## 6.2.8 is the earliest version known to work, but earlier versions
2153 ## might work - let us know if you find one.
2154 ## 6.0.7 does not work. See bug#7955.
2155 ## 6.8.2 makes Emacs crash; see Bug#13867.
2156 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2157 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2158 AC_SUBST(IMAGEMAGICK_CFLAGS)
2159 AC_SUBST(IMAGEMAGICK_LIBS)
2161 if test $HAVE_IMAGEMAGICK = yes; then
2162 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2163 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2164 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2165 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2173 gtk_term_header=$term_header
2176 if test "${opsys}" != "mingw32"; then
2177 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2180 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2182 dnl Checks for libraries.
2183 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2184 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2185 AC_MSG_ERROR($GTK_PKG_ERRORS)
2187 if test "$pkg_check_gtk" = "yes"; then
2188 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2189 GTK_OBJ=emacsgtkfixed.o
2190 gtk_term_header=gtkutil.h
2191 USE_GTK_TOOLKIT="GTK3"
2192 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2193 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2194 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2195 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2196 [Define to 1 to disable Glib deprecation warnings.])
2200 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2204 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2207 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2209 dnl Checks for libraries.
2210 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2211 if test "$pkg_check_gtk" = "no" &&
2212 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2214 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2216 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2220 if test x"$pkg_check_gtk" = xyes; then
2223 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2224 CFLAGS="$CFLAGS $GTK_CFLAGS"
2225 LIBS="$GTK_LIBS $LIBS"
2226 dnl Try to compile a simple GTK program.
2227 AC_MSG_CHECKING([whether GTK compiles])
2231 [[/* Check the Gtk and Glib APIs. */
2232 #include <gtk/gtk.h>
2233 #include <glib-object.h>
2235 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2239 GtkSettings *gs = 0;
2240 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2241 strict C prohibits this. Use gtk_main_iteration to test that the
2242 libraries are there. */
2243 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2244 0, 0, 0, G_CALLBACK (callback), 0))
2245 gtk_main_iteration ();
2248 AC_MSG_RESULT([$GTK_COMPILES])
2249 if test "${GTK_COMPILES}" != "yes"; then
2251 if test "$USE_X_TOOLKIT" != "maybe"; then
2252 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2256 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2257 GTK_OBJ="gtkutil.o $GTK_OBJ"
2258 term_header=$gtk_term_header
2260 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2263 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2264 closing open displays. This is no problem if you just use
2265 one display, but if you use more than one and close one of them
2275 if test "${HAVE_GTK}" = "yes"; then
2277 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2278 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2279 if test "$with_toolkit_scroll_bars" != no; then
2280 with_toolkit_scroll_bars=yes
2283 dnl Check if we have the old file selection dialog declared and
2284 dnl in the link library. In 2.x it may be in the library,
2285 dnl but not declared if deprecated featured has been selected out.
2286 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2287 HAVE_GTK_FILE_SELECTION=no
2288 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2289 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2290 #include <gtk/gtk.h>])
2291 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2292 AC_CHECK_FUNCS(gtk_file_selection_new)
2295 dnl Same as above for gtk_handle_box.
2296 HAVE_GTK_HANDLE_BOX=no
2297 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2298 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2299 #include <gtk/gtk.h>])
2300 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2301 AC_CHECK_FUNCS(gtk_handle_box_new)
2304 dnl Same as above for gtk_tearoff_menu_item.
2305 HAVE_GTK_TEAROFF_MENU_ITEM=no
2306 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2307 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2308 #include <gtk/gtk.h>])
2309 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2310 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2313 dnl Check for functions introduced in 2.14 and later.
2314 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2315 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2316 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2317 gtk_orientable_set_orientation \
2318 gtk_window_set_has_resize_grip)
2320 term_header=gtkutil.h
2323 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2324 dnl other platforms.
2327 if test "${with_dbus}" = "yes"; then
2328 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2329 if test "$HAVE_DBUS" = yes; then
2330 LIBS="$LIBS $DBUS_LIBS"
2331 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2332 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2333 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2335 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2336 dbus_type_is_valid \
2337 dbus_validate_bus_name \
2338 dbus_validate_path \
2339 dbus_validate_interface \
2340 dbus_validate_member)
2346 dnl GSettings has been tested under GNU/Linux only.
2348 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2349 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2350 if test "$HAVE_GSETTINGS" = "yes"; then
2351 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2352 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2353 SETTINGS_LIBS="$GSETTINGS_LIBS"
2357 dnl GConf has been tested under GNU/Linux only.
2358 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2360 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2361 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2362 if test "$HAVE_GCONF" = yes; then
2363 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2364 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2365 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2366 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2370 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2371 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2372 if test "$HAVE_GOBJECT" = "yes"; then
2373 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2374 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2376 SAVE_CFLAGS="$CFLAGS"
2378 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2379 LIBS="$SETTINGS_LIBS $LIBS"
2380 CFLAGS="$SAVE_CFLAGS"
2383 AC_SUBST(SETTINGS_CFLAGS)
2384 AC_SUBST(SETTINGS_LIBS)
2387 dnl SELinux is available for GNU/Linux only.
2390 if test "${with_selinux}" = "yes"; then
2391 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2392 if test "$HAVE_LIBSELINUX" = yes; then
2393 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2394 LIBSELINUX_LIBS=-lselinux
2397 AC_SUBST(LIBSELINUX_LIBS)
2401 if test "${with_gnutls}" = "yes" ; then
2402 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2403 if test "${HAVE_GNUTLS3}" = "yes"; then
2404 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2407 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2409 if test "${HAVE_GNUTLS}" = "yes"; then
2410 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2413 # Windows loads GnuTLS dynamically
2414 if test "${opsys}" = "mingw32"; then
2417 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2418 LIBS="$LIBGNUTLS_LIBS $LIBS"
2422 AC_SUBST(LIBGNUTLS_LIBS)
2423 AC_SUBST(LIBGNUTLS_CFLAGS)
2428 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2429 dnl a particular library. This doesn't make much sense?
2430 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2431 with_file_notification=no
2434 dnl MS Windows native file monitor is available for mingw32 only.
2435 case $with_file_notification,$opsys in
2436 w32,* | yes,mingw32)
2437 AC_CHECK_HEADER(windows.h)
2438 if test "$ac_cv_header_windows_h" = yes ; then
2439 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2440 NOTIFY_OBJ=w32notify.o
2441 NOTIFY_SUMMARY="yes (w32)"
2445 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2446 dnl has been added in glib 2.24. It has been tested under
2447 dnl GNU/Linux only. We take precedence over inotify, but this makes
2448 dnl only sense when glib has been compiled with inotify support. How
2450 case $with_file_notification,$NOTIFY_OBJ in
2452 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2453 if test "$HAVE_GFILENOTIFY" = "yes"; then
2454 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2455 NOTIFY_OBJ=gfilenotify.o
2456 NOTIFY_SUMMARY="yes -lgio (gfile)"
2460 dnl inotify is only available on GNU/Linux.
2461 case $with_file_notification,$NOTIFY_OBJ in
2463 AC_CHECK_HEADER(sys/inotify.h)
2464 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2465 AC_CHECK_FUNC(inotify_init1)
2466 if test "$ac_cv_func_inotify_init1" = yes; then
2467 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2468 NOTIFY_OBJ=inotify.o
2469 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2474 case $with_file_notification,$NOTIFY_OBJ in
2475 yes,* | no,* | *,?*) ;;
2476 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2479 if test -n "$NOTIFY_OBJ"; then
2480 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2482 AC_SUBST(NOTIFY_OBJ)
2483 AC_SUBST(GFILENOTIFY_CFLAGS)
2484 AC_SUBST(GFILENOTIFY_LIBS)
2486 dnl Do not put whitespace before the #include statements below.
2487 dnl Older compilers (eg sunos4 cc) choke on it.
2490 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2491 if test "$with_xaw3d" != no; then
2492 AC_CACHE_VAL(emacs_cv_xaw3d,
2493 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2494 #include <X11/Intrinsic.h>
2495 #include <X11/Xaw3d/Simple.h>]],
2497 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2498 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2499 emacs_cv_xaw3d=no)])
2503 if test $emacs_cv_xaw3d = yes; then
2504 AC_MSG_CHECKING(for xaw3d)
2505 AC_MSG_RESULT([yes; using Lucid toolkit])
2509 AC_DEFINE(HAVE_XAW3D, 1,
2510 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2512 AC_MSG_CHECKING(for xaw3d)
2514 AC_MSG_CHECKING(for libXaw)
2515 AC_CACHE_VAL(emacs_cv_xaw,
2516 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2517 #include <X11/Intrinsic.h>
2518 #include <X11/Xaw/Simple.h>]],
2522 if test $emacs_cv_xaw = yes; then
2523 AC_MSG_RESULT([yes; using Lucid toolkit])
2526 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2527 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2529 AC_MSG_ERROR([No X toolkit could be found.
2530 If you are sure you want Emacs compiled without an X toolkit, pass
2532 to configure. Otherwise, install the development libraries for the toolkit
2533 that you want to use (e.g. Gtk+) and re-run configure.])
2538 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2541 if test "${USE_X_TOOLKIT}" != "none"; then
2542 AC_MSG_CHECKING(X11 toolkit version)
2543 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2544 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2545 [[#if XtSpecificationRelease < 6
2548 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2549 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2550 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2551 AC_MSG_RESULT(6 or newer)
2552 AC_DEFINE(HAVE_X11XTR6, 1,
2553 [Define to 1 if you have the X11R6 or newer version of Xt.])
2554 LIBXTR6="-lSM -lICE"
2556 ## Use libw.a along with X11R6 Xt.
2557 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2560 AC_MSG_RESULT(before 6)
2563 dnl If using toolkit, check whether libXmu.a exists.
2564 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2566 if test x$HAVE_X11XTR6 = xyes; then
2567 LIBS="-lXt -lSM -lICE $LIBS"
2571 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2572 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2573 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2577 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2578 dnl Why not just test for libxmu in the normal way?
2581 ## These systems don't supply Xmu.
2583 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2591 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2592 if test "${HAVE_X11}" = "yes"; then
2593 if test "${USE_X_TOOLKIT}" != "none"; then
2594 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2599 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2600 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2601 if test -d /usr/include/openmotif; then
2602 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2603 emacs_cv_openmotif=yes
2604 case "$canonical" in
2605 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2606 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2609 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2612 emacs_cv_openmotif=no
2614 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2615 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2616 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2619 Motif version prior to 2.1.
2621 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2622 if test $emacs_cv_motif_version_2_1 = yes; then
2623 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2624 if test x$emacs_cv_openmotif = xyes; then
2625 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2628 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2629 # We put this in CFLAGS temporarily to precede other -I options
2630 # that might be in CFLAGS temporarily.
2631 # We put this in CPPFLAGS where it precedes the other -I options.
2632 OLD_CPPFLAGS=$CPPFLAGS
2634 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2635 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2636 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2638 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2639 if test $emacs_cv_lesstif = yes; then
2640 # Make sure this -I option remains in CPPFLAGS after it is set
2641 # back to REAL_CPPFLAGS.
2642 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2643 # have those other -I options anyway. Ultimately, having this
2644 # directory ultimately in CPPFLAGS will be enough.
2645 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2646 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2649 CPPFLAGS=$OLD_CPPFLAGS
2652 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2653 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2656 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2657 dnl using Motif or Xaw3d is available, and unless
2658 dnl --with-toolkit-scroll-bars=no was specified.
2660 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2661 [Define to 1 if we should use toolkit scroll bars.])dnl
2662 USE_TOOLKIT_SCROLL_BARS=no
2663 if test "${with_toolkit_scroll_bars}" != "no"; then
2664 if test "${USE_X_TOOLKIT}" != "none"; then
2665 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2666 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2668 USE_TOOLKIT_SCROLL_BARS=yes
2669 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2670 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2671 USE_TOOLKIT_SCROLL_BARS=yes
2673 elif test "${HAVE_GTK}" = "yes"; then
2674 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2675 USE_TOOLKIT_SCROLL_BARS=yes
2676 elif test "${HAVE_NS}" = "yes"; then
2677 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2678 USE_TOOLKIT_SCROLL_BARS=yes
2679 elif test "${HAVE_W32}" = "yes"; then
2680 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2681 USE_TOOLKIT_SCROLL_BARS=yes
2685 dnl See if XIM is available.
2686 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2687 #include <X11/Xlib.h>
2688 #include <X11/Xresource.h>]],
2689 [[XIMProc callback;]])],
2691 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2694 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2696 if test "${with_xim}" != "no"; then
2697 AC_DEFINE(USE_XIM, 1,
2698 [Define to 1 if we should use XIM, if it is available.])
2702 if test "${HAVE_XIM}" != "no"; then
2704 if test "$GCC" = yes; then
2705 CFLAGS="$CFLAGS --pedantic-errors"
2707 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2708 #include <X11/Xlib.h>
2709 #include <X11/Xresource.h>]],
2715 XPointer *client_data;
2717 /* If we're not using GCC, it's probably not XFree86, and this is
2718 probably right, but we can't use something like --pedantic-errors. */
2719 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2720 char*, XIMProc, XPointer*);
2722 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2724 [emacs_cv_arg6_star=yes])
2725 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2726 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2727 either XPointer or XPointer*.])dnl
2728 if test "$emacs_cv_arg6_star" = yes; then
2729 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2731 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2736 ### Start of font-backend (under any platform) section.
2737 # (nothing here yet -- this is a placeholder)
2738 ### End of font-backend (under any platform) section.
2740 ### Start of font-backend (under X11) section.
2741 if test "${HAVE_X11}" = "yes"; then
2742 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2744 ## Use -lXft if available, unless `--with-xft=no'.
2746 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2749 if test "x${with_xft}" != "xno"; then
2751 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2752 ## Because xftfont.c uses XRenderQueryExtension, we also
2753 ## need to link to -lXrender.
2755 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2756 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2757 OLD_CPPFLAGS="$CPPFLAGS"
2758 OLD_CFLAGS="$CFLAGS"
2760 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2761 CFLAGS="$CFLAGS $XFT_CFLAGS"
2762 XFT_LIBS="-lXrender $XFT_LIBS"
2763 LIBS="$XFT_LIBS $LIBS"
2764 AC_CHECK_HEADER(X11/Xft/Xft.h,
2765 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2766 [[#include <X11/X.h>]])
2768 if test "${HAVE_XFT}" = "yes"; then
2769 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2771 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2773 CPPFLAGS="$OLD_CPPFLAGS"
2774 CFLAGS="$OLD_CFLAGS"
2776 fi # "${HAVE_XFT}" = "yes"
2777 fi # "$HAVE_XFT" != no
2778 fi # "x${with_xft}" != "xno"
2780 ## We used to allow building with FreeType and without Xft.
2781 ## However, the ftx font backend driver is not in good shape.
2782 if test "$HAVE_XFT" != "yes"; then
2783 dnl For the "Does Emacs use" message at the end.
2787 dnl Strict linkers fail with
2788 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2789 dnl if -lfreetype is not specified.
2790 dnl The following is needed to set FREETYPE_LIBS.
2791 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2794 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2798 if test "${HAVE_FREETYPE}" = "yes"; then
2799 AC_DEFINE(HAVE_FREETYPE, 1,
2800 [Define to 1 if using the freetype and fontconfig libraries.])
2801 if test "${with_libotf}" != "no"; then
2802 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2804 if test "$HAVE_LIBOTF" = "yes"; then
2805 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2806 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2807 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2808 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2809 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2810 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2811 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2815 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2816 dnl Does the new font backend require it, or can it work without it?
2820 if test "${HAVE_LIBOTF}" = yes; then
2821 if test "${with_m17n_flt}" != "no"; then
2822 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2823 if test "$HAVE_M17N_FLT" = "yes"; then
2824 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2835 ### End of font-backend (under X11) section.
2837 AC_SUBST(FREETYPE_CFLAGS)
2838 AC_SUBST(FREETYPE_LIBS)
2839 AC_SUBST(FONTCONFIG_CFLAGS)
2840 AC_SUBST(FONTCONFIG_LIBS)
2841 AC_SUBST(LIBOTF_CFLAGS)
2842 AC_SUBST(LIBOTF_LIBS)
2843 AC_SUBST(M17N_FLT_CFLAGS)
2844 AC_SUBST(M17N_FLT_LIBS)
2846 ### Use -lXpm if available, unless `--with-xpm=no'.
2847 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2850 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2851 if test "${with_xpm}" != "no"; then
2852 SAVE_CPPFLAGS="$CPPFLAGS"
2853 SAVE_LDFLAGS="$LDFLAGS"
2854 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2855 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2856 AC_CHECK_HEADER(X11/xpm.h,
2857 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2858 if test "${HAVE_XPM}" = "yes"; then
2859 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2860 AC_EGREP_CPP(no_return_alloc_pixels,
2861 [#include "X11/xpm.h"
2862 #ifndef XpmReturnAllocPixels
2863 no_return_alloc_pixels
2865 ], HAVE_XPM=no, HAVE_XPM=yes)
2867 if test "${HAVE_XPM}" = "yes"; then
2868 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2872 CPPFLAGS="$SAVE_CPPFLAGS"
2873 LDFLAGS="$SAVE_LDFLAGS"
2878 if test "${HAVE_XPM}" = "yes"; then
2879 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2884 if test "${HAVE_X11}" = "yes"; then
2885 if test "${with_xpm}" != "no"; then
2886 AC_CHECK_HEADER(X11/xpm.h,
2887 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2888 if test "${HAVE_XPM}" = "yes"; then
2889 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2890 AC_EGREP_CPP(no_return_alloc_pixels,
2891 [#include "X11/xpm.h"
2892 #ifndef XpmReturnAllocPixels
2893 no_return_alloc_pixels
2895 ], HAVE_XPM=no, HAVE_XPM=yes)
2897 if test "${HAVE_XPM}" = "yes"; then
2905 if test "${HAVE_XPM}" = "yes"; then
2906 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2911 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2912 ### slightly different requirements wrt image libraries (it doesn't
2913 ### use -lXpm because it loads the xpm shared library dynamically at
2915 if test "${opsys}" = "mingw32"; then
2916 if test "${with_xpm}" != "no"; then
2917 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2921 if test "${HAVE_XPM}" = "yes"; then
2922 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2928 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2929 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2932 if test "${opsys}" = "mingw32"; then
2933 if test "${with_jpeg}" != "no"; then
2934 dnl Checking for jpeglib.h can lose because of a redefinition of
2936 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2938 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2939 if test "${HAVE_JPEG}" = "yes"; then
2940 AC_DEFINE(HAVE_JPEG)
2941 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2942 [#include <jpeglib.h>
2943 version=JPEG_LIB_VERSION
2945 [AC_DEFINE(HAVE_JPEG)],
2946 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2949 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2950 if test "${with_jpeg}" != "no"; then
2951 dnl Checking for jpeglib.h can lose because of a redefinition of
2953 AC_CHECK_HEADER(jerror.h,
2954 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2957 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2958 if test "${HAVE_JPEG}" = "yes"; then
2959 AC_DEFINE(HAVE_JPEG)
2960 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2961 [#include <jpeglib.h>
2962 version=JPEG_LIB_VERSION
2964 [AC_DEFINE(HAVE_JPEG)],
2965 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2968 if test "${HAVE_JPEG}" = "yes"; then
2974 ### Use -lpng if available, unless `--with-png=no'.
2975 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2978 if test "${opsys}" = "mingw32"; then
2979 if test "${with_png}" != "no"; then
2980 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2982 if test "${HAVE_PNG}" = "yes"; then
2983 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2985 AC_CHECK_DECL(png_longjmp,
2987 [AC_DEFINE(PNG_DEPSTRUCT, [],
2988 [Define to empty to suppress deprecation warnings when building
2989 with --enable-gcc-warnings and with libpng versions before 1.5,
2990 which lack png_longjmp.])],
2991 [[#ifdef HAVE_LIBPNG_PNG_H
2992 # include <libpng/png.h>
2998 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2999 if test "${with_png}" != "no"; then
3000 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3001 # in /usr/include/libpng.
3002 AC_CHECK_HEADERS(png.h libpng/png.h, break)
3003 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
3004 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3008 if test "${HAVE_PNG}" = "yes"; then
3009 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3010 LIBPNG="-lpng -lz -lm"
3012 AC_CHECK_DECL(png_longjmp,
3014 [AC_DEFINE(PNG_DEPSTRUCT, [],
3015 [Define to empty to suppress deprecation warnings when building
3016 with --enable-gcc-warnings and with libpng versions before 1.5,
3017 which lack png_longjmp.])],
3018 [[#ifdef HAVE_LIBPNG_PNG_H
3019 # include <libpng/png.h>
3030 if test "${with_zlib}" != "no"; then
3032 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3034 case $ac_cv_search_inflateEnd in
3035 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3038 if test "${HAVE_ZLIB}" = "yes"; then
3039 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3040 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3041 if test "${opsys}" = "mingw32"; then
3048 ### Use -ltiff if available, unless `--with-tiff=no'.
3049 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3052 if test "${opsys}" = "mingw32"; then
3053 if test "${with_tiff}" != "no"; then
3054 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3056 if test "${HAVE_TIFF}" = "yes"; then
3057 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3059 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3060 if test "${with_tiff}" != "no"; then
3061 AC_CHECK_HEADER(tiffio.h,
3063 # At least one tiff package requires the jpeg library.
3064 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3065 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3068 if test "${HAVE_TIFF}" = "yes"; then
3069 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3070 dnl FIXME -lz -lm, as per libpng?
3076 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3077 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3080 if test "${opsys}" = "mingw32"; then
3081 if test "${with_gif}" != "no"; then
3082 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3084 if test "${HAVE_GIF}" = "yes"; then
3085 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3087 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3088 || test "${HAVE_W32}" = "yes"; then
3089 AC_CHECK_HEADER(gif_lib.h,
3090 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3091 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3092 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3093 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3095 if test "$HAVE_GIF" = yes; then
3097 elif test "$HAVE_GIF" = maybe; then
3098 # If gif_lib.h but no libgif, try libungif.
3099 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3100 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3103 if test "${HAVE_GIF}" = "yes"; then
3104 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3109 dnl Check for required libraries.
3110 if test "${HAVE_X11}" = "yes"; then
3113 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3114 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3115 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3116 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3117 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3118 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3119 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3120 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3121 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3122 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3124 if test "X${MISSING}" != X; then
3125 AC_MSG_ERROR([The following required libraries were not found:
3127 Maybe some development libraries/packages are missing?
3128 If you don't want to link with them give
3130 as options to configure])
3134 ### Use -lgpm if available, unless `--with-gpm=no'.
3137 if test "${with_gpm}" != "no"; then
3138 AC_CHECK_HEADER(gpm.h,
3139 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3141 if test "${HAVE_GPM}" = "yes"; then
3142 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3148 dnl Check for malloc/malloc.h on darwin
3149 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3152 ### Use NeXTstep API to implement GUI.
3153 if test "${HAVE_NS}" = "yes"; then
3154 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3155 if test "${NS_IMPL_COCOA}" = "yes"; then
3156 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3158 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3159 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3160 # See also .m.o rule in Makefile.in */
3161 # FIXME: are all these flags really needed? Document here why. */
3162 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3163 ## Extra CFLAGS applied to src/*.m files.
3164 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3169 ### Use session management (-lSM -lICE) if available
3172 if test "${HAVE_X11}" = "yes"; then
3173 AC_CHECK_HEADER(X11/SM/SMlib.h,
3174 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3176 if test "${HAVE_X_SM}" = "yes"; then
3177 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3181 *) LIBS="$LIBXSM $LIBS" ;;
3187 ### Use XRandr (-lXrandr) if available
3189 if test "${HAVE_X11}" = "yes"; then
3190 XRANDR_REQUIRED=1.2.2
3191 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3192 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3193 if test $HAVE_XRANDR = no; then
3194 # Test old way in case pkg-config doesn't have it (older machines).
3195 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3196 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3197 if test $HAVE_XRANDR = yes; then
3198 XRANDR_LIBS=-lXrandr
3199 AC_SUBST(XRANDR_LIBS)
3202 if test $HAVE_XRANDR = yes; then
3203 SAVE_CFLAGS="$CFLAGS"
3205 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3206 LIBS="$XRANDR_LIBS $LIBS"
3207 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3208 CFLAGS="$SAVE_CFLAGS"
3211 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3215 ### Use Xinerama (-lXinerama) if available
3217 if test "${HAVE_X11}" = "yes"; then
3218 XINERAMA_REQUIRED=1.0.2
3219 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3220 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3222 if test $HAVE_XINERAMA = no; then
3223 # Test old way in case pkg-config doesn't have it (older machines).
3224 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3225 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3226 if test $HAVE_XINERAMA = yes; then
3227 XINERAMA_LIBS=-lXinerama
3228 AC_SUBST(XINERAMA_LIBS)
3231 if test $HAVE_XINERAMA = yes; then
3232 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3237 ### Use libxml (-lxml2) if available
3238 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3240 if test "${with_xml2}" != "no"; then
3241 ### I'm not sure what the version number should be, so I just guessed.
3242 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3243 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3244 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3245 SAVE_CPPFLAGS="$CPPFLAGS"
3246 CPPFLAGS="$CPPFLAGS -I/usr/include/libxml2"
3247 AC_CHECK_HEADER(libxml/HTMLparser.h,
3248 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3249 [#include <libxml/HTMLparser.h>])])
3250 CPPFLAGS="$SAVE_CPPFLAGS"
3251 if test "${HAVE_LIBXML2}" = "yes"; then
3252 LIBXML2_LIBS="-lxml2"
3253 LIBXML2_CFLAGS="-I/usr/include/libxml2"
3256 if test "${HAVE_LIBXML2}" = "yes"; then
3257 if test "${opsys}" != "mingw32"; then
3258 LIBS="$LIBXML2_LIBS $LIBS"
3259 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3263 if test "${HAVE_LIBXML2}" = "yes"; then
3264 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3271 AC_SUBST(LIBXML2_LIBS)
3272 AC_SUBST(LIBXML2_CFLAGS)
3274 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3275 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3276 if test "${opsys}" = "mingw32"; then
3277 emacs_cv_netdb_declares_h_errno=yes
3279 AC_CACHE_CHECK(whether netdb declares h_errno,
3280 emacs_cv_netdb_declares_h_errno,
3281 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3282 [[return h_errno;]])],
3283 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3284 if test $emacs_cv_netdb_declares_h_errno = yes; then
3285 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3288 # sqrt and other floating-point functions such as fmod and frexp
3289 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3290 if test "${opsys}" != "mingw32"; then
3291 AC_CHECK_LIB(m, sqrt)
3294 # Check for mail-locking functions in a "mail" library. Probably this should
3295 # have the same check as for liblockfile below.
3296 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3297 if test $have_mail = yes; then
3299 LIBS="$LIBS_MAIL $LIBS"
3300 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3304 dnl Debian, at least:
3305 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3306 if test $have_lockfile = yes; then
3307 LIBS_MAIL=-llockfile
3308 LIBS="$LIBS_MAIL $LIBS"
3309 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3311 # If we have the shared liblockfile, assume we must use it for mail
3312 # locking (e.g. Debian). If we couldn't link against liblockfile
3313 # (no liblockfile.a installed), ensure that we don't need to.
3314 dnl This works for files generally, not just executables.
3315 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3316 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3317 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3318 if test $ac_cv_prog_liblockfile = yes; then
3319 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3320 This probably means that movemail could lose mail.
3321 There may be a `development' package to install containing liblockfile.])
3324 AC_CHECK_HEADERS_ONCE(maillock.h)
3327 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3328 ## interlock access to the mail spool. The alternative is a lock file named
3329 ## /usr/spool/mail/$USER.lock.
3332 aix4-2) mail_lock="lockf" ;;
3334 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3336 ## On GNU/Linux systems, both methods are used by various mail programs.
3337 ## I assume most people are using newer mailers that have heard of flock.
3338 ## Change this if you need to.
3339 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3340 ## configure gets the right answers, and that means *NOT* using flock.
3341 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3342 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3343 ## Debian maintainer hasn't provided a clean fix for Emacs.
3344 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3345 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3346 ## correct logic. -- fx
3347 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3348 ## liblockfile is a Free Software replacement for libmail, used on
3349 ## Debian systems and elsewhere. -rfr.
3352 if test $have_mail = yes || test $have_lockfile = yes; then
3353 test $ac_cv_header_maillock_h = yes && mail_lock=no
3358 mail_lock="none-needed" ;;
3362 case "$mail_lock" in
3363 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3365 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3369 *) BLESSMAIL_TARGET="need-blessmail" ;;
3371 AC_SUBST(BLESSMAIL_TARGET)
3374 AC_CHECK_FUNCS(accept4 gethostname \
3375 getrusage get_current_dir_name \
3377 select getpagesize setlocale \
3378 getrlimit setrlimit shutdown getaddrinfo \
3379 strsignal setitimer \
3380 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3381 gai_strerror getline getdelim sync \
3383 getpwent endpwent getgrent endgrent \
3385 cfmakeraw cfsetspeed copysign __executable_start log2)
3387 dnl No need to check for aligned_alloc and posix_memalign if using
3388 dnl gmalloc.o, as it supplies them. Don't use these functions on
3389 dnl Darwin as they are incompatible with unexmacosx.c.
3390 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3391 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3394 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3395 ## has a broken `rint' in some library versions including math library
3396 ## version number A.09.05.
3397 ## You can fix the math library by installing patch number PHSS_4630.
3398 ## But we can fix it more reliably for Emacs by just not using rint.
3399 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3402 *) AC_CHECK_FUNCS(random rint) ;;
3405 dnl Cannot use AC_CHECK_FUNCS
3406 AC_CACHE_CHECK([for __builtin_unwind_init],
3407 emacs_cv_func___builtin_unwind_init,
3408 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3409 emacs_cv_func___builtin_unwind_init=yes,
3410 emacs_cv_func___builtin_unwind_init=no)])
3411 if test $emacs_cv_func___builtin_unwind_init = yes; then
3412 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3413 [Define to 1 if you have the `__builtin_unwind_init' function.])
3416 AC_CHECK_HEADERS_ONCE(sys/un.h)
3421 AC_CHECK_FUNCS(grantpt)
3423 # PTY-related GNU extensions.
3424 AC_CHECK_FUNCS(getpt posix_openpt)
3426 # Check this now, so that we will NOT find the above functions in ncurses.
3427 # That is because we have not set up to link ncurses in lib-src.
3428 # It's better to believe a function is not available
3429 # than to expect to find it in ncurses.
3430 # Also we need tputs and friends to be able to build at all.
3431 AC_MSG_CHECKING([for library containing tputs])
3432 # Run a test program that contains a call to tputs, a call that is
3433 # never executed. This tests whether a pre-'main' dynamic linker
3434 # works with the library. It's too much trouble to actually call
3435 # tputs in the test program, due to portability hassles. When
3436 # cross-compiling, assume the test program will run if it links.
3437 AC_DEFUN([tputs_link_source], [
3439 [[extern void tputs (const char *, int, int (*)(int));
3440 int main (int argc, char **argv)
3443 tputs (argv[0], 0, 0);
3447 if test "${opsys}" = "mingw32"; then
3450 # Maybe curses should be tried earlier?
3451 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3452 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3454 if test -z "$tputs_library"; then
3458 LIBS_TERMCAP=-l$tputs_library
3460 LIBS="$LIBS_TERMCAP $LIBS"
3462 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3463 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3465 if test "X$msg" != Xno; then
3470 AC_MSG_RESULT([$msg])
3471 if test "X$msg" = Xno; then
3472 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3473 The following libraries were tried (in order):
3474 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3475 Please try installing whichever of these libraries is most appropriate
3476 for your system, together with its header files.
3477 For example, a libncurses-dev(el) or similar package.])
3480 ## Use termcap instead of terminfo?
3481 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3483 ## FIXME? In the cases below where we unconditionally set
3484 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3485 ## if that was found above to have tputs.
3486 ## Should we use the gnu* logic everywhere?
3488 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3489 ## The ncurses library has been moved out of the System framework in
3490 ## Mac OS X 10.2. So if configure detects it, set the command-line
3491 ## option to use it.
3492 darwin) LIBS_TERMCAP="-lncurses" ;;
3494 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3497 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3498 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3499 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3500 [[#if __FreeBSD_version < 400000
3503 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3505 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3507 if test $emacs_cv_freebsd_terminfo = yes; then
3508 LIBS_TERMCAP="-lncurses"
3511 LIBS_TERMCAP="-ltermcap"
3521 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3523 LIBS_TERMCAP="-ltermcap"
3527 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3529 ## hpux: Make sure we get select from libc rather than from libcurses
3530 ## because libcurses on HPUX 10.10 has a broken version of select.
3531 ## We used to use -lc -lcurses, but this may be cleaner.
3532 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3533 # set that way, now it uses the default). Isn't this a contradiction?
3534 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3538 TERMCAP_OBJ=tparam.o
3539 if test $TERMINFO = yes; then
3540 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3541 TERMCAP_OBJ=terminfo.o
3543 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3544 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3546 AC_SUBST(LIBS_TERMCAP)
3547 AC_SUBST(TERMCAP_OBJ)
3550 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3551 # On Darwin, res_init appears not to be useful: see bug#562 and
3552 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3555 if test $opsys != darwin; then
3557 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3558 #include <arpa/nameser.h>
3559 #include <resolv.h>]],
3560 [[return res_init();]])],
3561 have_res_init=yes, have_res_init=no)
3562 if test "$have_res_init" = no; then
3564 LIBS="$LIBS -lresolv"
3565 AC_MSG_CHECKING(for res_init with -lresolv)
3566 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3567 #include <arpa/nameser.h>
3568 #include <resolv.h>]],
3569 [[return res_init();]])],
3570 have_res_init=yes, have_res_init=no)
3571 AC_MSG_RESULT($have_res_init)
3572 if test "$have_res_init" = yes ; then
3578 if test "$have_res_init" = yes; then
3579 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3583 # Do we need the Hesiod library to provide the support routines?
3584 dnl FIXME? Should we be skipping this on Darwin too?
3586 if test "$with_hesiod" != no ; then
3587 # Don't set $LIBS here -- see comments above. FIXME which comments?
3588 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3589 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3590 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3591 if test "$resolv" = yes ; then
3596 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3597 hesiod=yes, :, $RESOLVLIB)])
3599 if test x"$hesiod" = xyes; then
3605 # Do we need libresolv (due to res_init or Hesiod)?
3606 if test "$resolv" = yes && test $opsys != darwin; then
3613 # These tell us which Kerberos-related libraries to use.
3620 if test "${with_kerberos}" != no; then
3621 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3622 if test $have_com_err = yes; then
3623 COM_ERRLIB=-lcom_err
3624 LIBS="$COM_ERRLIB $LIBS"
3626 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3627 if test $have_crypto = yes; then
3629 LIBS="$CRYPTOLIB $LIBS"
3631 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3632 if test $have_k5crypto = yes; then
3633 CRYPTOLIB=-lk5crypto
3634 LIBS="$CRYPTOLIB $LIBS"
3636 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3637 if test $have_krb5=yes; then
3639 LIBS="$KRB5LIB $LIBS"
3641 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3642 if test "${with_kerberos5}" = no; then
3643 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3644 if test $have_des425 = yes; then
3646 LIBS="$DESLIB $LIBS"
3648 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3649 if test $have_des = yes; then
3651 LIBS="$DESLIB $LIBS"
3654 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3655 if test $have_krb4 = yes; then
3657 LIBS="$KRB4LIB $LIBS"
3659 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3660 if test $have_krb = yes; then
3662 LIBS="$KRB4LIB $LIBS"
3667 if test "${with_kerberos5}" != no; then
3668 AC_CHECK_HEADERS(krb5.h,
3669 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3670 [#include <krb5.h>])])
3672 AC_CHECK_HEADERS(krb.h,,
3673 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3674 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3676 AC_CHECK_HEADERS(com_err.h)
3679 AC_SUBST(COM_ERRLIB)
3685 AC_CHECK_HEADERS(valgrind/valgrind.h)
3687 AC_CHECK_FUNCS_ONCE(tzset)
3688 AC_MSG_CHECKING(whether localtime caches TZ)
3689 AC_CACHE_VAL(emacs_cv_localtime_cache,
3690 [if test x$ac_cv_func_tzset = xyes; then
3691 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3692 char TZ_GMT0[] = "TZ=GMT0";
3693 char TZ_PST8[] = "TZ=PST8";
3696 time_t now = time ((time_t *) 0);
3697 int hour_GMT0, hour_unset;
3698 if (putenv (TZ_GMT0) != 0)
3700 hour_GMT0 = localtime (&now)->tm_hour;
3702 hour_unset = localtime (&now)->tm_hour;
3703 if (putenv (TZ_PST8) != 0)
3705 if (localtime (&now)->tm_hour == hour_GMT0)
3708 if (localtime (&now)->tm_hour != hour_unset)
3711 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3712 [# If we have tzset, assume the worst when cross-compiling.
3713 emacs_cv_localtime_cache=yes])
3715 # If we lack tzset, report that localtime does not cache TZ,
3716 # since we can't invalidate the cache if we don't have tzset.
3717 emacs_cv_localtime_cache=no
3719 AC_MSG_RESULT($emacs_cv_localtime_cache)
3720 if test $emacs_cv_localtime_cache = yes; then
3721 AC_DEFINE(LOCALTIME_CACHE, 1,
3722 [Define to 1 if localtime caches TZ.])
3726 AC_CHECK_FUNC(socket, , ok_so_far=no)
3727 if test $ok_so_far = yes; then
3728 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3730 if test $ok_so_far = yes; then
3731 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3733 if test $ok_so_far = yes; then
3734 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3735 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3736 [Define to 1 if you have inet sockets.])
3739 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3740 dnl This can be removed once we assume Autoconf 2.70.
3742 *-solaris2.4 | *-solaris2.4.*)
3743 dnl Disable the Autoconf-generated vfork test.
3744 : ${ac_cv_func_vfork_works=no};;
3749 AC_CHECK_FUNCS(snprintf)
3751 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3754 AC_MSG_CHECKING([whether GLib is linked in])
3755 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3758 [[g_print ("Hello world");]])],
3761 AC_MSG_RESULT([$links_glib])
3762 if test "${links_glib}" = "yes"; then
3763 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3764 if test "$HAVE_NS" = no;then
3770 dnl Adapted from Haible's version.
3771 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3772 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3773 [[char* cs = nl_langinfo(CODESET);]])],
3774 emacs_cv_langinfo_codeset=yes,
3775 emacs_cv_langinfo_codeset=no)
3777 if test $emacs_cv_langinfo_codeset = yes; then
3778 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3779 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3784 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3785 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3786 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3787 if test "$emacs_cv_c_restrict_arr" = yes; then
3788 AC_DEFINE(__restrict_arr, __restrict,
3789 [Define to compiler's equivalent of C99 restrict keyword in array
3790 declarations. Define as empty for no equivalent.])
3793 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3794 dnl how the tty code is related to POSIX and/or other versions of termios.
3795 dnl The following looks like a useful start.
3797 dnl AC_SYS_POSIX_TERMIOS
3798 dnl if test $ac_cv_sys_posix_termios = yes; then
3799 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3800 dnl and macros for terminal control.])
3801 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3804 dnl Turned on June 1996 supposing nobody will mind it.
3805 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3806 if test "${opsys}" != "mingw32"; then
3807 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3808 in the full name stands for the login id.])
3811 dnl Every platform that uses configure supports this.
3812 dnl There is a create-lockfiles option you can
3813 dnl customize if you do not want the lock files to be written.
3814 dnl So it is not clear that this #define still needs to exist.
3815 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3816 so that Emacs can tell instantly when you try to modify a file that
3817 someone else has modified in his/her Emacs.])
3819 dnl Everybody supports this, except MS.
3820 dnl Seems like the kind of thing we should be testing for, though.
3821 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3822 if test "${opsys}" != "mingw32"; then
3823 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3826 dnl Everybody supports this, except MS-DOS.
3827 dnl Seems like the kind of thing we should be testing for, though.
3828 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3829 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3830 4.2-compatible sockets.])
3832 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3834 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3835 a null file, or a data sink.])
3836 if test "${opsys}" = "mingw32"; then
3837 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3839 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3842 if test "${opsys}" = "mingw32"; then
3847 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3848 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3849 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3850 dnl decides that a command-line argument to be passed to a MinGW program
3851 dnl is a PATH-style list of directories. But that heuristics plays it
3852 dnl safe, and only does the replacement when it is _absolutely_ sure it
3853 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3854 dnl which breaks in-tree builds. So we do this manually instead.
3855 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3856 dnl be computed as ':' in MSYS Bash.
3859 dnl Everybody supports this, except MS-DOS.
3860 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3862 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3865 AC_DEFINE(DIRECTORY_SEP, ['/'],
3866 [Character that separates directories in a file name.])
3868 if test "${opsys}" = "mingw32"; then
3869 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3870 [Returns true if character is a device separator.])
3872 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3873 [Returns true if character is a directory separator.])
3875 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3876 [Returns true if character is any form of separator.])
3878 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3879 [Returns true if character is a device separator.])
3881 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3882 [Returns true if character is a directory separator.])
3884 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3885 [Returns true if character is any form of separator.])
3888 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3892 dnl Unfortunately without libXmu we cannot support EditRes.
3893 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3894 AC_DEFINE(NO_EDITRES, 1)
3899 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3900 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3901 AC_DEFINE(NO_EDITRES, 1)
3907 irix6-5 | sol2* | unixware )
3908 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3909 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3910 dnl need the constant to dimension an array. So wire in the appropriate
3912 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3916 emacs_broken_SIGIO=no
3919 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3920 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3921 hpux* | irix6-5 | openbsd | sol2* | unixware )
3922 emacs_broken_SIGIO=yes
3926 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3927 dnl the way this system works, libc functions that return malloced
3928 dnl memory use the libc malloc implementation. Calling xfree or
3929 dnl xrealloc on the results of such functions results in a crash.
3931 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3932 dnl but that does not currently work on this system.
3934 dnl It is possible to completely override the malloc implementation on
3935 dnl AIX, but that involves putting the malloc functions in a shared
3936 dnl library and setting the MALLOCTYPE environment variable to point to
3937 dnl that shared library.
3939 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3940 dnl to avoid a crash just use the Emacs implementation for that function.
3942 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3943 dnl of this file, so that we do not check for get_current_dir_name
3944 dnl on AIX. But that might be fragile if something else ends
3945 dnl up testing for get_current_dir_name as a dependency.
3946 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3947 get_current_dir_name should not be used.])
3951 dnl Circumvent a bug in FreeBSD. In the following sequence of
3952 dnl writes/reads on a PTY, read(2) returns bogus data:
3954 dnl write(2) 1022 bytes
3955 dnl write(2) 954 bytes, get EAGAIN
3956 dnl read(2) 1024 bytes in process_read_output
3957 dnl read(2) 11 bytes in process_read_output
3959 dnl That is, read(2) returns more bytes than have ever been written
3960 dnl successfully. The 1033 bytes read are the 1022 bytes written
3961 dnl successfully after processing (for example with CRs added if the
3962 dnl terminal is set up that way which it is here). The same bytes will
3963 dnl be seen again in a later read(2), without the CRs.
3964 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3965 work around an issue when reading from a PTY.])
3971 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3972 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3977 darwin | dragonfly | freebsd | netbsd | openbsd )
3978 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3979 close a pty to make it a controlling terminal (it is already a
3980 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3984 dnl FIXME Surely we can test for this rather than hard-code it.
3986 netbsd | openbsd) sound_device="/dev/audio" ;;
3987 *) sound_device="/dev/dsp" ;;
3991 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3992 [Name of the default sound device.])
3995 dnl Emacs can read input using SIGIO and buffering characters itself,
3996 dnl or using CBREAK mode and making C-g cause SIGINT.
3997 dnl The choice is controlled by the variable interrupt_input.
3999 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4001 dnl Emacs uses the presence of the USABLE_SIGIO macro
4002 dnl to indicate whether or not signal-driven I/O is possible. It uses
4003 dnl INTERRUPT_INPUT to decide whether to use it by default.
4005 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4006 dnl CBREAK mode has two disadvantages
4007 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4008 dnl I hear that in system V this problem does not exist.
4009 dnl 2) Control-G causes output to be discarded.
4010 dnl I do not know whether this can be fixed in system V.
4012 dnl Another method of doing input is planned but not implemented.
4013 dnl It would have Emacs fork off a separate process
4014 dnl to read the input and send it to the true Emacs process
4017 darwin | gnu-linux | gnu-kfreebsd )
4018 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4023 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4024 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4025 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4026 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4027 dnl taking float or double parameters.
4029 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4030 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4031 file defines `NeedWidePrototypes' as `NO'.])
4036 dnl Used in process.c, this must be a loop, even if it only runs once.
4037 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4038 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4039 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4040 dnl trying suffixes 0-16.
4041 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4042 first PTY, if PTYs are supported.])
4043 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4044 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4045 end of a PTY, if non-standard.])
4046 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4047 end of a PTY, if non-standard.])
4051 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4052 dnl You allocate a pty by opening /dev/ptc to get the master side.
4053 dnl To get the name of the slave side, you just ttyname() the master side.
4054 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4055 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4059 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4060 dnl multi-line AC_DEFINEs are hard. :(
4061 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 (0)])
4062 AC_DEFINE(PTY_NAME_SPRINTF, [])
4063 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4066 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4068 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4069 dnl Not used, because PTY_ITERATION is defined.
4070 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4071 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4072 dnl But we don't have to block SIGCHLD because it is blocked in the
4073 dnl implementation of grantpt.
4074 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
4075 AC_DEFINE(PTY_NAME_SPRINTF, [])
4076 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4080 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4083 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4085 if test "x$ac_cv_func_grantpt" = xyes; then
4086 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4087 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4088 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4089 dnl to prevent sigchld_handler from intercepting the child's death.
4090 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); }])
4091 dnl if HAVE_POSIX_OPENPT
4092 if test "x$ac_cv_func_posix_openpt" = xyes; then
4093 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (0)])
4094 AC_DEFINE(PTY_NAME_SPRINTF, [])
4096 elif test "x$ac_cv_func_getpt" = xyes; then
4097 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4098 AC_DEFINE(PTY_NAME_SPRINTF, [])
4100 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4103 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4108 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4109 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4110 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4114 dnl It looks like this cannot be right, because it is not a loop.
4115 dnl However, process.c actually does this:
4121 dnl which presumably makes it OK, since irix == sgi (?).
4122 dnl FIXME it seems like this special treatment is unnecessary?
4123 dnl Why can't irix use a single-trip loop like eg cygwin?
4124 AC_DEFINE(PTY_ITERATION, [])
4125 dnl Not used, because PTY_ITERATION is defined.
4126 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4127 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); }])
4128 dnl No need to get the pty name at all.
4129 AC_DEFINE(PTY_NAME_SPRINTF, [])
4130 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4131 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4135 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4136 dnl from intercepting that death. If any child but grantpt's should die
4137 dnl within, it should be caught after sigrelse(2).
4138 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); }])
4142 dnl Comments are as per sol2*.
4143 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); }])
4150 dnl This change means that we don't loop through allocate_pty too
4151 dnl many times in the (rare) event of a failure.
4152 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4153 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4154 dnl Push various streams modules onto a PTY channel. Used in process.c.
4155 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.])
4160 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4161 "typing" a signal character on the pty.])
4164 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4165 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4166 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4167 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4170 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4171 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4172 gnu-linux | gnu-kfreebsd )
4174 AC_MSG_CHECKING([for signals via characters])
4175 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4176 #include <linux/version.h>
4177 #if LINUX_VERSION_CODE < 0x20400
4178 # error "Linux version too old"
4180 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4182 AC_MSG_RESULT([$emacs_signals_via_chars])
4183 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4188 dnl Used in lisp.h, emacs.c, vm-limit.c
4189 dnl NEWS.18 describes this as "a number which contains
4190 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4191 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4192 stored in a Lisp_Object.])
4193 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4197 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4198 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4201 dnl The data segment on this machine always starts at address 0x40000000.
4202 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4205 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4210 AH_TEMPLATE(TAB3, [Undocumented.])
4213 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4215 gnu | dragonfly | freebsd | netbsd | openbsd )
4216 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4217 AC_DEFINE(TAB3, OXTABS)
4220 gnu-linux | gnu-kfreebsd )
4221 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4225 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4226 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (0)],
4227 [Mark a secondary stack, like the register stack on the ia64.]), [])
4231 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4232 run_time_remap; for HPUX.])
4237 dnl This won't be used automatically yet. We also need to know, at least,
4238 dnl that the stack is continuous.
4239 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4240 registers relevant for conservative garbage collection in the jmp_buf.])
4244 dnl Not all the architectures are tested, but there are Debian packages
4245 dnl for SCM and/or Guile on them, so the technique must work. See also
4246 dnl comments in alloc.c concerning setjmp and gcc.
4247 dnl Fixme: it's probably safe to just use the GCC conditional below.
4248 gnu-linux | gnu-kfreebsd )
4249 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4250 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4251 || defined __alpha__ || defined __mips__ || defined __s390__ \
4252 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4253 || defined __ia64__ || defined __sh__
4256 # error "setjmp not known to work on this arch"
4258 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4263 if test x$GCC = xyes; then
4264 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4265 AC_DEFINE(GC_SETJMP_WORKS, 1)
4268 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4269 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4270 AC_DEFINE(GC_SETJMP_WORKS, 1)
4275 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4276 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4279 [[#include <setjmp.h>
4281 # define _longjmp longjmp
4286 _longjmp (j, 1);]])],
4287 [emacs_cv_func__setjmp=yes],
4288 [emacs_cv_func__setjmp=no])])
4289 if test $emacs_cv_func__setjmp = yes; then
4290 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4292 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4295 [[#include <setjmp.h>
4298 if (! sigsetjmp (j, 1))
4299 siglongjmp (j, 1);]])],
4300 [emacs_cv_func_sigsetjmp=yes],
4301 [emacs_cv_func_sigsetjmp=no])])
4302 if test $emacs_cv_func_sigsetjmp = yes; then
4303 AC_DEFINE([HAVE_SIGSETJMP], 1,
4304 [Define to 1 if sigsetjmp and siglongjmp work.
4305 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4311 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4312 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4313 dnl and this is all we need.
4314 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4321 dnl Used in xfaces.c.
4322 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4323 some systems, where it requires time.h.])
4328 dnl Define symbols to identify the version of Unix this is.
4329 dnl Define all the symbols that apply correctly.
4330 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4331 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4332 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4333 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4338 dnl This symbol should be defined on AIX Version 3 ???????
4339 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4341 # error "_AIX not defined"
4343 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4347 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4351 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4352 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4353 dnl distinguish OS X from pure Darwin.
4354 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4357 gnu-linux | gnu-kfreebsd )
4359 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4364 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4369 AC_DEFINE(USG5_4, [])
4370 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4374 AC_DEFINE(DOS_NT, [])
4375 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4376 if test "x$ac_enable_checking" != "x" ; then
4377 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4383 AC_DEFINE(USG5_4, [])
4384 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4389 AC_DEFINE(USG5_4, [])
4393 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4396 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4397 emacs_cv_usable_FIONREAD=no
4401 emacs_cv_usable_FIONREAD=yes
4406 [AC_LANG_PROGRAM([[#include <sys/types.h>
4407 #include <sys/ioctl.h>
4409 # include <sys/filio.h>
4412 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4413 [emacs_cv_usable_FIONREAD=yes],
4414 [emacs_cv_usable_FIONREAD=no])
4417 if test $emacs_cv_usable_FIONREAD = yes; then
4418 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4420 if test $emacs_broken_SIGIO = no; then
4421 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4423 [AC_LANG_PROGRAM([[#include <fcntl.h>
4426 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4427 [emacs_cv_usable_SIGIO=yes],
4428 [emacs_cv_usable_SIGIO=no])],
4429 [emacs_cv_usable_SIGIO=yes],
4430 [emacs_cv_usable_SIGIO=no])
4431 if test $emacs_cv_usable_SIGIO = yes; then
4432 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4439 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4440 dnl and on Cygwin prior to version 1.7.24 that becomes the
4441 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4442 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4443 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4444 dnl needed starting with cygwin-1.7.24, and it is no longer
4445 dnl effective starting with glib-2.36. */
4447 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4448 G_SLICE environment variable to "always-malloc" at startup.])
4452 dnl It works to open the pty's tty in the parent (Emacs), then
4453 dnl close and reopen it in the child.
4454 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4455 works to open a pty's tty in the parent process, then close and
4456 reopen it in the child.])
4460 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4461 use VSUSP instead of VSWTCH.])
4465 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4470 # Set up the CFLAGS for real compilation, so we can substitute it.
4471 CFLAGS="$REAL_CFLAGS"
4472 CPPFLAGS="$REAL_CPPFLAGS"
4474 ## Hack to detect a buggy GCC version.
4475 if test "x$GCC" = xyes \
4476 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4477 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4478 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4479 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4482 version=$PACKAGE_VERSION
4484 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4485 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4486 [Short copyright string for this version of Emacs.])
4489 ### Specify what sort of things we'll be editing into Makefile and config.h.
4490 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4492 AC_SUBST(configuration)
4497 AC_SUBST(exec_prefix)
4500 AC_SUBST(sharedstatedir)
4501 AC_SUBST(libexecdir)
4505 AC_SUBST(standardlisppath)
4506 AC_SUBST(locallisppath)
4508 AC_SUBST(x_default_search_path)
4510 AC_SUBST(archlibdir)
4515 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4516 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4517 ## end of LIBX_BASE, but nothing ever set it.
4518 AC_SUBST(LD_SWITCH_X_SITE)
4519 AC_SUBST(C_SWITCH_X_SITE)
4520 AC_SUBST(GNUSTEP_CFLAGS)
4522 ## Used in lwlib/Makefile.in.
4523 AC_SUBST(X_TOOLKIT_TYPE)
4525 AC_SUBST(ns_appbindir)
4526 AC_SUBST(ns_appresdir)
4528 AC_SUBST(GNU_OBJC_CFLAGS)
4529 AC_SUBST(OTHER_FILES)
4531 if test -n "${term_header}"; then
4532 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4533 [Define to the header for the built-in window system.])
4536 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4537 [Define to the canonical Emacs configuration name.])
4538 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4539 [Define to the options passed to configure.])
4540 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4541 define this to include extra configuration information.])
4545 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4552 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4553 AC_DEFINE(HAVE_X_WINDOWS, 1,
4554 [Define to 1 if you want to use the X window system.])
4556 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4558 if test "$HAVE_XFT" = "yes"; then
4559 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4560 elif test "$HAVE_FREETYPE" = "yes"; then
4561 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4571 if test "${USE_X_TOOLKIT}" != "none" ; then
4573 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4574 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4575 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4576 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4577 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4581 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4582 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4586 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4587 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4588 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4592 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4593 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4596 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4599 AC_SUBST(WIDGET_OBJ)
4602 case "$USE_X_TOOLKIT" in
4603 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4604 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4605 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4607 AC_SUBST(TOOLKIT_LIBW)
4609 if test "${opsys}" != "mingw32"; then
4610 if test "$USE_X_TOOLKIT" = "none"; then
4611 LIBXT_OTHER="\$(LIBXSM)"
4613 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4616 AC_SUBST(LIBXT_OTHER)
4618 if test "${HAVE_X11}" = "yes" ; then
4619 AC_DEFINE(HAVE_X11, 1,
4620 [Define to 1 if you want to use version 11 of X windows.])
4621 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4625 AC_SUBST(LIBX_OTHER)
4627 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4629 elif test "$USE_X_TOOLKIT" = none; then
4630 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4632 LIBXMENU='$(lwlibdir)/liblw.a'
4636 if test "${GNU_MALLOC}" = "yes" ; then
4637 AC_DEFINE(GNU_MALLOC, 1,
4638 [Define to 1 if you want to use the GNU memory allocator.])
4642 if test "${REL_ALLOC}" = "yes" ; then
4643 AC_DEFINE(REL_ALLOC, 1,
4644 [Define REL_ALLOC if you want to use the relocating allocator for
4647 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4649 AC_SUBST(RALLOC_OBJ)
4651 if test "$opsys" = "cygwin"; then
4652 CYGWIN_OBJ="sheap.o cygw32.o"
4653 ## Cygwin differs because of its unexec().
4655 POST_ALLOC_OBJ=lastfile.o
4656 elif test "$opsys" = "mingw32"; then
4659 POST_ALLOC_OBJ=lastfile.o
4662 PRE_ALLOC_OBJ=lastfile.o
4665 AC_SUBST(CYGWIN_OBJ)
4666 AC_SUBST(PRE_ALLOC_OBJ)
4667 AC_SUBST(POST_ALLOC_OBJ)
4669 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4670 dnl verbatim defined above. The tricky name is apropos, as this hack
4671 dnl makes Fortify go sour!
4672 AH_VERBATIM([FORTIFY_SOUR],
4673 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4674 The workaround disables some useful run-time checking, so it
4675 should be conditional to the platforms with the performance bug.
4676 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4677 #if defined __APPLE__ && defined __GNUC__
4678 # ifndef _DONT_USE_CTYPE_INLINE_
4679 # define _DONT_USE_CTYPE_INLINE_
4681 # ifndef _FORTIFY_SOURCE
4682 # define _FORTIFY_SOURCE 0
4687 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4688 # it temporarily reverts them to their pre-pkg-config values,
4689 # because gnulib needs to work with both src (which uses the
4690 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4691 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4692 # and it therefore needs to run in an environment where LIBS does not
4693 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4694 # for some package unrelated to lib-src.
4697 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4698 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4699 gl_ASSERT_NO_GNULIB_POSIXCHECK
4700 gl_ASSERT_NO_GNULIB_TESTS
4705 if test "${opsys}" = "mingw32"; then
4706 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4707 # Remove unneeded switches from the value of CC that goes to Makefiles
4708 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4712 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4715 ## The -headerpad option tells ld (see man page) to leave room at the
4716 ## end of the header for adding load commands. Needed for dumping.
4717 ## 0x690 is the total size of 30 segment load commands (at 56
4718 ## each); under Cocoa 31 commands are required.
4719 if test "$HAVE_NS" = "yes"; then
4720 libs_nsgui="-framework AppKit"
4721 if test "$NS_IMPL_COCOA" = "yes"; then
4722 libs_nsgui="$libs_nsgui -framework IOKit"
4729 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4731 ## This is here because src/Makefile.in did some extra fiddling around
4732 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4733 ## LD_SWITCH_SYSTEM_TEMACS instead,
4734 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4735 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4738 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4739 ## find X at run-time.
4740 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4741 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4742 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4743 ## had different values in configure (in ac_link) and src/Makefile.in.
4744 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4745 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4748 ## MinGW64 does not prepend an underscore to symbols, so we must
4749 ## pass a different -entry switch to linker. FIXME: It is better
4750 ## to make the entry points the same by changing unexw32.c.
4751 case "$canonical" in
4752 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4753 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4757 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4759 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4762 if test x$ac_enable_profiling != x ; then
4764 *freebsd | gnu-linux) ;;
4765 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4769 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4771 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4773 ## MinGW-specific post-link processing of temacs.
4774 TEMACS_POST_LINK=":"
4777 if test "${opsys}" = "mingw32"; then
4778 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4779 ADDSECTION="../nt/addsection\$(EXEEXT)"
4780 ## Preload heap size of temacs.exe in MB.
4781 case "$canonical" in
4782 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4783 *) EMACS_HEAPSIZE=27 ;;
4787 AC_SUBST(ADDSECTION)
4788 AC_SUBST(TEMACS_POST_LINK)
4789 AC_SUBST(EMACS_HEAPSIZE)
4791 ## Common for all window systems
4792 if test "$window_system" != "none"; then
4793 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4794 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4797 AC_SUBST(WINDOW_SYSTEM_OBJ)
4799 AH_TOP([/* GNU Emacs site configuration template file.
4801 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4802 Free Software Foundation, Inc.
4804 This file is part of GNU Emacs.
4806 GNU Emacs is free software: you can redistribute it and/or modify
4807 it under the terms of the GNU General Public License as published by
4808 the Free Software Foundation, either version 3 of the License, or
4809 (at your option) any later version.
4811 GNU Emacs is distributed in the hope that it will be useful,
4812 but WITHOUT ANY WARRANTY; without even the implied warranty of
4813 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4814 GNU General Public License for more details.
4816 You should have received a copy of the GNU General Public License
4817 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4820 /* No code in Emacs #includes config.h twice, but some bits of code
4821 intended to work with other packages as well (like gmalloc.c)
4822 think they can include it as many times as they like. */
4823 #ifndef EMACS_CONFIG_H
4824 #define EMACS_CONFIG_H
4827 AH_BOTTOM([#include <conf_post.h>
4829 #endif /* EMACS_CONFIG_H */
4838 #### Report on what we decided to do.
4839 #### Report GTK as a toolkit, even if it doesn't use Xt.
4840 #### It makes printing result more understandable as using GTK sets
4841 #### toolkit_scroll_bars to yes by default.
4842 if test "${HAVE_GTK}" = "yes"; then
4843 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4846 if test $USE_ACL -ne 0; then
4847 acl_summary="yes $LIB_ACL"
4853 Configured for \`${canonical}'.
4855 Where should the build process find the source code? ${srcdir}
4856 What compiler should emacs be built with? ${CC} ${CFLAGS}
4857 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4858 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4859 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4860 What window system should Emacs use? ${window_system}
4861 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4863 if test -n "${x_includes}"; then
4864 echo " Where do we find X Windows header files? ${x_includes}"
4866 echo " Where do we find X Windows header files? Standard dirs"
4868 if test -n "${x_libraries}"; then
4869 echo " Where do we find X Windows libraries? ${x_libraries}"
4871 echo " Where do we find X Windows libraries? Standard dirs"
4874 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4875 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4876 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4877 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4878 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4879 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4880 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4881 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4883 echo " Does Emacs support sound? ${HAVE_SOUND}"
4885 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4886 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4887 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4888 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4889 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4890 echo " Does Emacs use access control lists? ${acl_summary}"
4891 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4892 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4893 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4895 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4896 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4897 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4898 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4899 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4901 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4904 if test -n "${EMACSDATA}"; then
4905 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4907 if test -n "${EMACSDOC}"; then
4908 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4913 if test "$HAVE_NS" = "yes"; then
4915 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4916 The installed application will go to nextstep/Emacs.app and can be
4917 run or moved from there."
4918 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4919 echo "The application will be fully self-contained."
4921 echo "The lisp resources for the application will be installed under ${prefix}.
4922 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4923 to run if these resources are not installed."
4928 if test "${opsys}" = "cygwin"; then
4930 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4936 # Remove any trailing slashes in these variables.
4937 [test "${prefix}" != NONE &&
4938 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4939 test "${exec_prefix}" != NONE &&
4940 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4942 if test "$HAVE_NS" = "yes"; then
4943 if test "$NS_IMPL_GNUSTEP" = yes; then
4944 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4945 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4946 ns_check_file=Resources/Info-gnustep.plist
4948 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4949 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4950 ns_check_file=Contents/Info.plist
4952 AC_SUBST(ns_check_file)
4955 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4956 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4957 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4958 dnl (else you get "no `Makefile.am' found for any configure output").
4959 dnl This will work, but you get a config.status that is not quite right
4960 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4961 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4962 dnl it seems better to just live with the duplication.
4963 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
4965 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4966 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4967 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4968 leim/Makefile nextstep/Makefile nt/Makefile])
4970 dnl test/ is not present in release tarfiles.
4971 opt_makefile=test/automated/Makefile
4973 if test -f "$srcdir/$opt_makefile.in"; then
4974 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4975 dnl Again, it's best not to use a variable. Though you can add
4976 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4977 AC_CONFIG_FILES([test/automated/Makefile])
4981 dnl The admin/ directory used to be excluded from tarfiles.
4982 if test -d $srcdir/admin; then
4983 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
4984 AC_CONFIG_FILES([admin/unidata/Makefile])
4985 AC_CONFIG_FILES([admin/grammars/Makefile])
4989 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4991 AC_SUBST(SUBDIR_MAKEFILES_IN)
4993 dnl You might wonder (I did) why epaths.h is generated by running make,
4994 dnl rather than just letting configure generate it from epaths.in.
4995 dnl One reason is that the various paths are not fully expanded (see above);
4996 dnl eg gamedir=${prefix}/var/games/emacs.
4997 dnl Secondly, the GNU Coding standards require that one should be able
4998 dnl to run `make prefix=/some/where/else' and override the values set
4999 dnl by configure. This also explains the `move-if-change' test and
5000 dnl the use of force in the `epaths-force' rule in Makefile.in.
5001 AC_CONFIG_COMMANDS([src/epaths.h], [
5002 if test "${opsys}" = "mingw32"; then
5003 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5005 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5007 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5009 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5010 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5012 AC_CONFIG_COMMANDS([src/.gdbinit], [
5013 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5014 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit