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 dnl This is the documented way to record the args passed to configure,
28 dnl rather than $ac_configure_args.
29 emacs_config_options="$@"
30 ## Add some environment variables, if they were passed via the environment
31 ## rather than on the command-line.
32 for var in CFLAGS CPPFLAGS LDFLAGS; do
33 case "$emacs_config_options" in
37 test x"$val" = x && continue
38 emacs_config_options="${emacs_config_options}${emacs_config_options:+ }$var=\"$val\""
41 AC_CONFIG_HEADER(src/config.h:src/config.in)
42 AC_CONFIG_SRCDIR(src/lisp.h)
43 AC_CONFIG_AUX_DIR(build-aux)
44 dnl Fairly arbitrary, older versions might work too.
45 AM_INIT_AUTOMAKE(1.11)
47 dnl Support for --program-prefix, --program-suffix and
48 dnl --program-transform-name options
51 dnl It is important that variables on the RHS not be expanded here,
52 dnl hence the single quotes. This is per the GNU coding standards, see
53 dnl (autoconf) Installation Directory Variables
54 dnl See also epaths.h below.
55 lispdir='${datadir}/emacs/${version}/lisp'
56 leimdir='${datadir}/emacs/${version}/leim'
57 standardlisppath='${lispdir}:${leimdir}'
58 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
59 '${datadir}/emacs/site-lisp'
60 lisppath='${locallisppath}:${standardlisppath}'
61 etcdir='${datadir}/emacs/${version}/etc'
62 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
63 docdir='${datadir}/emacs/${version}/etc'
64 gamedir='${localstatedir}/games/emacs'
66 dnl Special option to disable the most of other options.
68 [AS_HELP_STRING([--without-all],
69 [omit almost all features and build
70 small executable with minimal dependencies])],
71 with_features=$withval,
74 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
75 dnl Create a new --with option that defaults to being disabled.
76 dnl NAME is the base name of the option. The shell variable with_NAME
77 dnl will be set to either the user's value (if the option is
78 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
79 dnl option is not specified). Note that the shell variable name is
80 dnl constructed as autoconf does, by replacing non-alphanumeric
81 dnl characters with "_".
82 dnl HELP-STRING is the help text for the option.
83 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
84 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
85 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
88 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
89 dnl Create a new --with option that defaults to $enable_features.
90 dnl NAME is the base name of the option. The shell variable with_NAME
91 dnl will be set either to 'no' (for a plain --without-NAME) or to
92 dnl 'yes' (if the option is not specified). Note that the shell
93 dnl variable name is constructed as autoconf does, by replacing
94 dnl non-alphanumeric characters with "_".
95 dnl HELP-STRING is the help text for the option.
96 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
97 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
98 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
101 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
102 if test "$with_pop" = yes; then
103 AC_DEFINE(MAIL_USE_POP)
105 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
107 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
108 if test "$with_kerberos" != no; then
111 AH_TEMPLATE(KERBEROS,
112 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
114 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
115 if test "${with_kerberos5}" != no; then
116 if test "${with_kerberos}" = no; then
120 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
123 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
124 dnl FIXME hesiod support may not be present, so it seems like an error
125 dnl to define, or at least use, this unconditionally.
126 if test "$with_hesiod" != no; then
127 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
130 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
131 if test "$with_mmdf" != no; then
132 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
135 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
136 if test "$with_mail_unlink" != no; then
137 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
140 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
141 [string giving default POP mail host])],
142 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
144 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
146 dnl FIXME currently it is not the last.
147 dnl This should be the last --with option, because --with-x is
148 dnl added later on when we find the file name of X, and it's best to
149 dnl keep them together visually.
150 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
151 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
152 [ case "${withval}" in
153 y | ye | yes ) val=gtk ;;
155 l | lu | luc | luci | lucid ) val=lucid ;;
156 a | at | ath | athe | athen | athena ) val=athena ;;
157 m | mo | mot | moti | motif ) val=motif ;;
158 g | gt | gtk ) val=gtk ;;
162 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
163 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
164 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
165 `athena' and `lucid' are synonyms.])
171 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
172 if test "$with_wide_int" = yes; then
173 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
176 dnl _ON results in a '--without' option in the --help output, so
177 dnl the help text should refer to "don't compile", etc.
178 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
179 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
180 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
181 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
182 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
183 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
184 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
185 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
187 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
188 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
189 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
191 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
192 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
193 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
194 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
195 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
197 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
198 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
199 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
200 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
201 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
202 OPTION_DEFAULT_ON([acl],[don't compile with ACL support])
203 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
204 OPTION_DEFAULT_ON([inotify],[don't compile with inotify (file-watch) support])
206 ## For the times when you want to build Emacs but don't have
207 ## a suitable makeinfo, and can live without the manuals.
208 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
209 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
211 ## Makefile.in needs the cache file name.
214 ## This is an option because I do not know if all info/man support
215 ## compressed files, nor how to test if they do so.
216 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
217 if test $with_compress_info = yes; then
224 AC_ARG_WITH([pkg-config-prog],dnl
225 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
226 [file name of pkg-config for finding GTK and librsvg])])
227 if test "X${with_pkg_config_prog}" != X; then
228 if test "${with_pkg_config_prog}" != yes; then
229 PKG_CONFIG="${with_pkg_config_prog}"
233 AC_ARG_WITH(gameuser,dnl
234 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
235 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
236 && gameuser="${with_gameuser}"
237 test "X$gameuser" = X && gameuser=games
239 AC_ARG_WITH([gnustep-conf],dnl
240 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
241 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
242 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
243 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
244 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
245 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
247 AC_ARG_ENABLE(ns-self-contained,
248 [AS_HELP_STRING([--disable-ns-self-contained],
249 [disable self contained build under NeXTstep])],
250 EN_NS_SELF_CONTAINED=$enableval,
251 EN_NS_SELF_CONTAINED=yes)
253 AC_ARG_ENABLE(locallisppath,
254 [AS_HELP_STRING([--enable-locallisppath=PATH],
255 [directories Emacs should search for lisp files specific
257 if test "${enableval}" = "no"; then
259 elif test "${enableval}" != "yes"; then
260 locallisppath=${enableval}
263 AC_ARG_ENABLE(checking,
264 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
265 [enable expensive run-time checks. With LIST,
266 enable only specific categories of checks.
267 Categories are: all,yes,no.
268 Flags are: stringbytes, stringoverrun, stringfreelist,
269 xmallocoverrun, conslist, glyphs])],
270 [ac_checking_flags="${enableval}"],[])
271 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
272 for check in $ac_checking_flags
275 # these set all the flags to specific states
276 yes) ac_enable_checking=1 ;;
277 no) ac_enable_checking= ;
278 ac_gc_check_stringbytes= ;
279 ac_gc_check_string_overrun= ;
280 ac_gc_check_string_free_list= ;
281 ac_xmalloc_overrun= ;
282 ac_gc_check_cons_list= ;
284 all) ac_enable_checking=1 ;
285 ac_gc_check_stringbytes=1 ;
286 ac_gc_check_string_overrun=1 ;
287 ac_gc_check_string_free_list=1 ;
288 ac_xmalloc_overrun=1 ;
289 ac_gc_check_cons_list=1 ;
291 # these enable particular checks
292 stringbytes) ac_gc_check_stringbytes=1 ;;
293 stringoverrun) ac_gc_check_string_overrun=1 ;;
294 stringfreelist) ac_gc_check_string_free_list=1 ;;
295 xmallocoverrun) ac_xmalloc_overrun=1 ;;
296 conslist) ac_gc_check_cons_list=1 ;;
297 glyphs) ac_glyphs_debug=1 ;;
298 *) AC_MSG_ERROR(unknown check category $check) ;;
303 if test x$ac_enable_checking != x ; then
304 AC_DEFINE(ENABLE_CHECKING, 1,
305 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
307 if test x$ac_gc_check_stringbytes != x ; then
308 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
309 [Define this temporarily to hunt a bug. If defined, the size of
310 strings is redundantly recorded in sdata structures so that it can
311 be compared to the sizes recorded in Lisp strings.])
313 if test x$ac_gc_check_string_overrun != x ; then
314 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
315 [Define this to check for short string overrun.])
317 if test x$ac_gc_check_string_free_list != x ; then
318 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
319 [Define this to check the string free list.])
321 if test x$ac_xmalloc_overrun != x ; then
322 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
323 [Define this to check for malloc buffer overrun.])
325 if test x$ac_gc_check_cons_list != x ; then
326 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
327 [Define this to check for errors in cons list.])
329 if test x$ac_glyphs_debug != x ; then
330 AC_DEFINE(GLYPH_DEBUG, 1,
331 [Define this to enable glyphs debugging code.])
334 AC_ARG_ENABLE(check-lisp-object-type,
335 [AS_HELP_STRING([--enable-check-lisp-object-type],
336 [enable compile time checks for the Lisp_Object data type.
337 This is useful for development for catching certain types of bugs.])],
338 if test "${enableval}" != "no"; then
339 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
340 [Define this to enable compile time checks for the Lisp_Object data type.])
344 dnl The name of this option is unfortunate. It predates, and has no
345 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
346 dnl Actually, it stops it working.
347 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
348 AC_ARG_ENABLE(profiling,
349 [AS_HELP_STRING([--enable-profiling],
350 [build emacs with low-level, gprof profiling support.
351 Mainly useful for debugging Emacs itself. May not work on
352 all platforms. Stops profiler.el working.])],
353 [ac_enable_profiling="${enableval}"],[])
354 if test x$ac_enable_profiling != x ; then
355 PROFILING_CFLAGS="-DPROFILING=1 -pg"
359 AC_SUBST(PROFILING_CFLAGS)
361 AC_ARG_ENABLE(autodepend,
362 [AS_HELP_STRING([--enable-autodepend],
363 [automatically generate dependencies to .h-files.
364 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
366 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
368 AC_ARG_ENABLE(gtk-deprecation-warnings,
369 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
370 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
371 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
373 #### Make srcdir absolute, if it isn't already. It's important to
374 #### avoid running the file name through pwd unnecessarily, since pwd can
375 #### give you automounter prefixes, which can go away. We do all this
376 #### so Emacs can find its files when run uninstalled.
377 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
380 [[\\/]]* | ?:[[\\/]]*) ;;
382 ## We may be able to use the $PWD environment variable to make this
383 ## absolute. But sometimes PWD is inaccurate.
384 ## Note: we used to use $PWD at the end instead of `pwd`,
385 ## but that tested only for a well-formed and valid PWD,
386 ## it did not object when PWD was well-formed and valid but just wrong.
387 if test ".$PWD" != "." && test ".`(cd "$PWD" ; sh -c pwd)`" = ".`pwd`" ;
391 srcdir=`(cd "$srcdir"; pwd)`
394 * ) srcdir=`(cd "$srcdir"; pwd)` ;;
397 ### Canonicalize the configuration name.
401 configuration=${host_alias-${build_alias-$host}}
403 dnl This used to use changequote, but, apart from `changequote is evil'
404 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
405 dnl the great gob of text. Thus it's not processed for possible expansion.
406 dnl Just make sure the brackets remain balanced.
408 dnl Since Emacs can't find matching pairs of quotes, boundaries are
409 dnl indicated by comments.
413 ### If you add support for a new configuration, add code to this
414 ### switch statement to recognize your configuration name and select
415 ### the appropriate operating system file.
417 ### You would hope that you could choose an s/*.h
418 ### file based on the operating system portion. However, it turns out
419 ### that each s/*.h file is pretty manufacturer-specific.
420 ### So we basically have to have a special case for each
421 ### configuration name.
423 ### As far as handling version numbers on operating systems is
424 ### concerned, make sure things will fail in a fixable way. If
425 ### /etc/MACHINES doesn't say anything about version numbers, be
426 ### prepared to handle anything reasonably. If version numbers
427 ### matter, be sure /etc/MACHINES says something about it.
430 case "${canonical}" in
432 ## GNU/Linux and similar ports
447 ## FreeBSD kernel + glibc based userland
462 ## Apple Darwin / Mac OS X
464 case "${canonical}" in
471 ## Use fink packages if available.
472 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
473 ## if test -d /sw/include && test -d /sw/lib; then
474 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
475 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
484 ## HP 9000 series 700 and 800, running HP/UX
488 hppa*-hp-hpux1[1-9]* )
490 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
494 rs6000-ibm-aix4.[23]* )
497 powerpc-ibm-aix4.[23]* )
500 rs6000-ibm-aix[56]* )
503 powerpc-ibm-aix[56]* )
507 ## Silicon Graphics machines
511 # Without defining _LANGUAGE_C, things get masked out in the headers
512 # so that, for instance, grepping for `free' in stdlib.h fails and
513 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
514 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
519 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
520 | x86_64-*-solaris2* | x86_64-*-sunos5*)
521 case "${canonical}" in
523 amd64-*-*|x86_64-*-*) ;;
527 case "${canonical}" in
528 *-sunos5.6* | *-solaris2.6* )
532 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
534 emacs_check_sunpro_c=yes
536 *-sunos5* | *-solaris* )
538 emacs_check_sunpro_c=yes
541 ## Watch out for a compiler that we know will not work.
542 case "${canonical}" in
543 *-solaris* | *-sunos5* )
544 if [ "x$CC" = x/usr/ucb/cc ]; then
545 ## /usr/ucb/cc doesn't work;
546 ## we should find some other compiler that does work.
554 ## Intel 386 machines where we don't care about the manufacturer.
556 case "${canonical}" in
557 *-darwin* ) opsys=darwin ;;
560 # MinGW overrides and adds some system headers in nt/inc.
561 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
563 *-sysv4.2uw* ) opsys=unixware ;;
564 *-sysv5uw* ) opsys=unixware ;;
565 *-sysv5OpenUNIX* ) opsys=unixware ;;
566 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
575 ### If the code above didn't choose an operating system, just choose
576 ### an operating system based on the configuration name. You really
577 ### only want to use this when you have no idea what the right
578 ### operating system is; if you know what operating systems a machine
579 ### runs, it's cleaner to make it explicit in the case statement
581 if test x"${opsys}" = x; then
582 case "${canonical}" in
583 *-gnu* ) opsys=gnu ;;
593 if test $unported = yes; then
594 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
595 Check `etc/MACHINES' for recognized configuration names.])
599 #### Choose a compiler.
601 dnl Sets GCC=yes if using gcc.
605 if test x$GCC = xyes; then
606 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
608 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
611 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
612 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
613 dnl that clash with MinGW.
614 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
616 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
617 # as we don't use them.
618 AC_DEFUN([gl_FCNTL_O_FLAGS])
619 # Avoid gnulib's threadlib module, as we do threads our own way.
620 AC_DEFUN([gl_THREADLIB])
622 # Initialize gnulib right after choosing the compiler.
623 dnl Amongst other things, this sets AR and ARFLAGS.
626 if test "$ac_test_CFLAGS" != set; then
627 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
628 # if -g3 works and the user does not specify CFLAGS.
629 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
632 emacs_g3_CFLAGS='-g3';;
634 emacs_g3_CFLAGS='-g3 -O2';;
638 if test -n "$emacs_g3_CFLAGS"; then
639 emacs_save_CFLAGS=$CFLAGS
640 CFLAGS=$emacs_g3_CFLAGS
641 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
642 [emacs_cv_prog_cc_g3],
643 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
644 [emacs_cv_prog_cc_g3=yes],
645 [emacs_cv_prog_cc_g3=no])])
646 if test $emacs_cv_prog_cc_g3 != yes; then
647 CFLAGS=$emacs_save_CFLAGS
649 if test $opsys = mingw32; then
650 CFLAGS="$CFLAGS -gdwarf-2"
657 # No optimization flag was inferred for this non-GCC compiler.
658 # Try -O. This is needed for xlc on AIX; see Bug#14258.
659 emacs_save_CFLAGS=$CFLAGS
660 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
662 AC_CACHE_CHECK([whether $CC accepts -O],
663 [emacs_cv_prog_cc_o],
664 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
665 [emacs_cv_prog_cc_o=yes],
666 [emacs_cv_prog_cc_o=no])])
667 if test $emacs_cv_prog_cc_o != yes; then
668 CFLAGS=$emacs_save_CFLAGS
673 AC_ARG_ENABLE([gcc-warnings],
674 [AS_HELP_STRING([--enable-gcc-warnings],
675 [turn on lots of GCC warnings/errors. This is intended for
676 developers, and may generate false alarms when used
677 with older or non-GNU development tools.])],
680 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
682 gl_gcc_warnings=$enableval],
686 AC_ARG_ENABLE(link-time-optimization,
687 [AS_HELP_STRING([--enable-link-time-optimization],
688 [build emacs with link-time optimization.
689 This is supported only for GCC since 4.5.0.])],
690 if test "${enableval}" != "no"; then
691 AC_MSG_CHECKING([whether link-time optimization is supported])
693 if test x$GCC = xyes; then
694 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
695 if test x$CPUS != x; then
701 CFLAGS="$CFLAGS $LTO"
702 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
703 [ac_lto_supported=yes], [ac_lto_supported=no])
706 AC_MSG_RESULT([$ac_lto_supported])
707 if test "$ac_lto_supported" = "yes"; then
708 CFLAGS="$CFLAGS $LTO"
712 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
713 # ------------------------------------------------
714 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
715 # Otherwise, run RUN-IF-NOT-FOUND.
716 AC_DEFUN([gl_GCC_VERSION_IFELSE],
720 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
723 # error "your version of gcc is older than $1.$2"
730 # When compiling with GCC, prefer -isystem to -I when including system
731 # include files, to avoid generating useless diagnostics for the files.
732 if test "$gl_gcc_warnings" != yes; then
737 # This, $nw, is the list of warnings we disable.
740 case $with_x_toolkit in
741 lucid | athena | motif)
742 # Old toolkits mishandle 'const'.
743 nw="$nw -Wwrite-strings"
746 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
749 AC_SUBST([WERROR_CFLAGS])
751 nw="$nw -Waggregate-return" # anachronistic
752 nw="$nw -Wlong-long" # C90 is anachronistic
753 nw="$nw -Wc++-compat" # We don't care about C++ compilers
754 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
755 nw="$nw -Wtraditional" # Warns on #elif which we use often
756 nw="$nw -Wcast-qual" # Too many warnings for now
757 nw="$nw -Wconversion" # Too many warnings for now
758 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
759 nw="$nw -Wsign-conversion" # Too many warnings for now
760 nw="$nw -Woverlength-strings" # Not a problem these days
761 nw="$nw -Wtraditional-conversion" # Too many warnings for now
762 nw="$nw -Wunreachable-code" # so buggy that it's now silently ignored
763 nw="$nw -Wpadded" # Our structs are not padded
764 nw="$nw -Wredundant-decls" # we regularly (re)declare functions
765 nw="$nw -Wlogical-op" # any use of fwrite provokes this
766 nw="$nw -Wformat-nonliteral" # we do this a lot
767 nw="$nw -Wvla" # warnings in gettext.h
768 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
769 nw="$nw -Wswitch-enum" # Too many warnings for now
770 nw="$nw -Wswitch-default" # Too many warnings for now
771 nw="$nw -Wfloat-equal" # warns about high-quality code
772 nw="$nw -Winline" # OK to ignore 'inline'
773 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
774 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
775 # signed overflow has undefined behavior
776 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
777 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
779 # Emacs doesn't care about shadowing; see
780 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
783 # Emacs's use of alloca inhibits protecting the stack.
784 nw="$nw -Wstack-protector"
786 # The following line should be removable at some point.
787 nw="$nw -Wsuggest-attribute=pure"
789 gl_MANYWARN_ALL_GCC([ws])
790 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
794 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
795 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
796 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
797 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
798 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
799 gl_WARN_ADD([-Wno-format-nonliteral])
801 # In spite of excluding -Wlogical-op above, it is enabled, as of
802 # gcc 4.5.0 20090517.
803 gl_WARN_ADD([-Wno-logical-op])
805 gl_WARN_ADD([-fdiagnostics-show-option])
806 gl_WARN_ADD([-funit-at-a-time])
808 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
809 AH_VERBATIM([FORTIFY_SOURCE],
810 [/* Enable compile-time and run-time bounds-checking, and some warnings,
811 without upsetting glibc 2.15+. */
812 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
813 # define _FORTIFY_SOURCE 2
816 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
818 # We use a slightly smaller set of warning options for lib/.
819 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
821 nw="$nw -Wunused-macros"
823 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
824 AC_SUBST([GNULIB_WARN_CFLAGS])
829 dnl Some other nice autoconf tests.
830 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
833 dnl if test "x$RANLIB" = x; then
838 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
839 dnl can be made to directories. This is not relevant for our usage, and
840 dnl excludes some cases that work fine for us. Eg MS Windows or files
841 dnl hosted on AFS, both examples where simple links work, but links to
842 dnl directories fail. We use a cut-down version instead.
845 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
846 rm -f conf$$ conf$$.file
848 LN_S_FILEONLY='cp -p'
850 if (echo >conf$$.file) 2>/dev/null; then
851 if ln -s conf$$.file conf$$ 2>/dev/null; then
852 LN_S_FILEONLY='ln -s'
853 elif ln conf$$.file conf$$ 2>/dev/null; then
858 rm -f conf$$ conf$$.file
860 if test "$LN_S_FILEONLY" = "ln -s"; then
863 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
866 AC_SUBST(LN_S_FILEONLY)
869 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
870 dnl doesn't support links to directories, as in "ln file dir". But that
871 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
872 dnl executables at "make install" time.
873 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
874 dnl for more details.
875 if test "$opsys" = "mingw32"; then
879 AC_PATH_PROG(INSTALL_INFO, install-info, :,
880 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
881 dnl Don't use GZIP, which is used by gzip for additional parameters.
882 AC_PATH_PROG(GZIP_PROG, gzip)
884 if test $opsys = gnu-linux; then
885 AC_PATH_PROG(PAXCTL, paxctl,,
886 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
887 if test "X$PAXCTL" != X; then
888 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
889 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
890 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
891 else AC_MSG_RESULT(no); PAXCTL=""; fi])
895 ## Need makeinfo >= 4.7 (?) to build the manuals.
896 AC_PATH_PROG(MAKEINFO, makeinfo, no)
897 dnl By this stage, configure has already checked for egrep and set EGREP,
898 dnl or exited with an error if no egrep was found.
899 if test "$MAKEINFO" != "no"; then
901 $MAKEINFO --version 2> /dev/null |
902 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
908 ## Makeinfo is unusual. For a released Emacs, the manuals are
909 ## pre-built, and not deleted by the normal clean rules. makeinfo is
910 ## therefore in the category of "special tools" not normally required, which
911 ## configure does not have to check for (eg autoconf itself).
912 ## In a Bazaar checkout on the other hand, the manuals are not included.
913 ## So makeinfo is a requirement to build from Bazaar, and configure
914 ## should test for it as it does for any other build requirement.
915 ## We use the presence of $srcdir/info/emacs to distinguish a release,
916 ## with pre-built manuals, from a Bazaar checkout.
919 if test "$MAKEINFO" = "no"; then
921 if test "x${with_makeinfo}" = "xno"; then
923 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
924 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
925 source tree does not seem to have pre-built manuals in the `info' directory.
926 Either install a suitable version of makeinfo, or re-run configure
927 with the `--without-makeinfo' option to build without the manuals.] )
930 AC_SUBST(HAVE_MAKEINFO)
932 dnl Just so that there is only a single place we need to edit.
938 dnl Add our options to ac_link now, after it is set up.
940 if test x$GCC = xyes; then
941 test "x$GCC_LINK_TEST_OPTIONS" != x && \
942 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
944 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
945 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
948 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
949 dnl If we can link with the flag, it shouldn't do any harm anyhow.
950 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
951 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
952 dnl if not built to support GNU ld.
954 late_LDFLAGS=$LDFLAGS
955 if test x$GCC = xyes; then
956 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
958 LDFLAGS="$LDFLAGS -znocombreloc"
961 AC_MSG_CHECKING([for -znocombreloc])
962 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
963 [AC_MSG_RESULT(yes)],
964 LDFLAGS=$late_LDFLAGS
968 dnl The function dump-emacs will not be defined and temacs will do
969 dnl (load "loadup") automatically unless told otherwise.
970 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
972 your-opsys-here) CANNOT_DUMP=yes ;;
975 test "$CANNOT_DUMP" = "yes" && \
976 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
978 AC_SUBST(CANNOT_DUMP)
983 # MSDOS uses unexcoff.o
991 UNEXEC_OBJ=unexmacosx.o
994 UNEXEC_OBJ=unexhp9k800.o
1000 # Use the Solaris dldump() function, called from unexsol.c, to dump
1001 # emacs, instead of the generic ELF dump code found in unexelf.c.
1002 # The resulting binary has a complete symbol table, and is better
1003 # for debugging and other observability tools (debuggers, pstack, etc).
1005 # If you encounter a problem using dldump(), please consider sending
1006 # a message to the OpenSolaris tools-linking mailing list:
1007 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1009 # It is likely that dldump() works with older Solaris too, but this has
1010 # not been tested, so for now this change is for Solaris 10 or newer.
1011 UNEXEC_OBJ=unexsol.o
1018 ## Let `ld' find image libs and similar things in /usr/local/lib.
1019 ## The system compiler, GCC, has apparently been modified to not
1020 ## look there, contrary to what a stock GCC would do.
1021 ### It's not our place to do this. See bug#10313#17.
1022 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1027 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1028 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1032 ### It's not our place to do this. See bug#10313#17.
1033 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1038 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
1039 ## otherwise Emacs dumps core on elf systems.
1040 LD_SWITCH_SYSTEM="-Z"
1043 AC_SUBST(LD_SWITCH_SYSTEM)
1045 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1047 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1048 ## which has not been defined yet. When this was handled with cpp,
1049 ## it was expanded to null when configure sourced the s/*.h file.
1050 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1051 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1052 ## (or somesuch), but because it is supposed to go at the _front_
1053 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1054 ## Compare with the gnu-linux case below, which added to the end
1055 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1056 ## LD_SWITCH_SYSTEM_TEMACS.
1059 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1066 AC_CHECK_DECL([__ELF__])
1067 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1068 ## With ELF, make sure that all common symbols get allocated to in the
1069 ## data section. Otherwise, the dump of temacs may miss variables in
1070 ## the shared library that have been initialized. For example, with
1071 ## GNU libc, __malloc_initialized would normally be resolved to the
1072 ## shared library's .bss section, which is fatal.
1073 if test "x$GCC" = "xyes"; then
1074 C_SWITCH_MACHINE="-fno-common"
1076 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
1079 UNEXEC_OBJ=unexalpha.o
1083 AC_SUBST(C_SWITCH_MACHINE)
1085 AC_SUBST(UNEXEC_OBJ)
1088 ## Some programs in src produce warnings saying certain subprograms
1089 ## are too complex and need a MAXMEM value greater than 2000 for
1090 ## additional optimization. --nils@exp-math.uni-essen.de
1091 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1092 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1093 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1094 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1095 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1096 AC_SUBST(C_SWITCH_SYSTEM)
1101 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1102 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1104 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1106 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1108 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1110 ## Motif needs -lgen.
1111 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1114 AC_SUBST(LIBS_SYSTEM)
1116 ### Make sure subsequent tests use flags consistent with the build flags.
1118 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1119 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1121 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1124 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1125 AC_DEFUN([AC_TYPE_SIZE_T])
1126 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1127 AC_DEFUN([AC_TYPE_UID_T])
1131 dnl Current possibilities handled by sed (aix4-2 -> aix,
1132 dnl gnu-linux -> gnu/linux, etc.):
1133 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1134 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1135 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1142 ## Adding -lm confuses the dynamic linker, so omit it.
1145 freebsd | dragonfly )
1146 SYSTEM_TYPE=berkeley-unix
1148 gnu-linux | gnu-kfreebsd )
1150 hpux10-20 | hpux11 )
1154 SYSTEM_TYPE=windows-nt
1156 dnl NB this may be adjusted below.
1158 SYSTEM_TYPE=berkeley-unix
1162 SYSTEM_TYPE=usg-unix-v
1168 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1169 [The type of system you are compiling for; sets `system-type'.])
1172 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1173 pre_PKG_CONFIG_LIBS=$LIBS
1175 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1177 dnl This function definition taken from Gnome 2.0
1178 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1179 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1180 dnl also defines GSTUFF_PKG_ERRORS on error
1181 AC_DEFUN([PKG_CHECK_MODULES], [
1184 if test "$PKG_CONFIG" = "no" ; then
1185 ifelse([$4], , [AC_MSG_ERROR([
1186 *** 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])
1188 PKG_CONFIG_MIN_VERSION=0.9.0
1189 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1190 AC_MSG_CHECKING(for $2)
1192 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1193 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1194 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1201 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1202 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1203 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1209 ## If we have a custom action on failure, don't print errors, but
1210 ## do set a variable so people can do so. Do it in a subshell
1211 ## to capture any diagnostics in invoking pkg-config.
1212 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1213 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1219 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1220 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1224 if test $succeeded = yes; then
1225 ifelse([$3], , :, [$3])
1227 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.])], [$4])
1231 if test "${with_sound}" != "no"; then
1232 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1233 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h,
1234 have_sound_header=yes, [], [
1236 #define WIN32_LEAN_AND_MEAN
1237 #include <windows.h>
1240 # Emulation library used on NetBSD.
1241 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1245 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1246 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1247 if test $HAVE_ALSA = yes; then
1248 SAVE_CFLAGS="$CFLAGS"
1250 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1251 LIBS="$ALSA_LIBS $LIBS"
1252 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1253 emacs_alsa_normal=yes,
1254 emacs_alsa_normal=no)
1255 if test "$emacs_alsa_normal" != yes; then
1256 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1257 [[snd_lib_error_set_handler (0);]])],
1258 emacs_alsa_subdir=yes,
1259 emacs_alsa_subdir=no)
1260 if test "$emacs_alsa_subdir" != yes; then
1261 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1263 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1266 CFLAGS="$SAVE_CFLAGS"
1268 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1269 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1270 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1273 dnl Define HAVE_SOUND if we have sound support. We know it works and
1274 dnl compiles only on the specified platforms. For others, it
1275 dnl probably doesn't make sense to try.
1276 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1278 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1279 gnu-linux|freebsd|netbsd|mingw32)
1280 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1285 AC_SUBST(CFLAGS_SOUND)
1288 dnl checks for header files
1289 AC_CHECK_HEADERS_ONCE(
1290 linux/version.h sys/systeminfo.h
1293 sys/utsname.h pwd.h utmp.h util.h)
1295 AC_MSG_CHECKING(if personality LINUX32 can be set)
1296 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1297 emacs_cv_personality_linux32=yes,
1298 emacs_cv_personality_linux32=no)
1299 AC_MSG_RESULT($emacs_cv_personality_linux32)
1301 if test $emacs_cv_personality_linux32 = yes; then
1302 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1303 [Define to 1 if personality LINUX32 can be set.])
1306 dnl On Solaris 8 there's a compilation warning for term.h because
1307 dnl it doesn't define `bool'.
1308 AC_CHECK_HEADERS(term.h, , , -)
1310 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1312 if test $ac_cv_have_decl_sys_siglist != yes; then
1313 # For Tru64, at least:
1314 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1316 if test $ac_cv_have_decl___sys_siglist = yes; then
1317 AC_DEFINE(sys_siglist, __sys_siglist,
1318 [Define to any substitute for sys_siglist.])
1323 dnl Check for speed_t typedef.
1324 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1325 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1326 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1327 if test $emacs_cv_speed_t = yes; then
1328 AC_DEFINE(HAVE_SPEED_T, 1,
1329 [Define to 1 if `speed_t' is declared by <termios.h>.])
1332 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1333 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1334 #if HAVE_SYS_SOCKET_H
1335 #include <sys/socket.h>
1337 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1338 #if HAVE_SYS_SOCKET_H
1339 #include <sys/socket.h>
1341 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1342 #if HAVE_SYS_SOCKET_H
1343 #include <sys/socket.h>
1346 dnl checks for structure members
1347 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1348 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1349 struct ifreq.ifr_addr,
1350 struct ifreq.ifr_addr.sa_len], , ,
1351 [AC_INCLUDES_DEFAULT
1352 #if HAVE_SYS_SOCKET_H
1353 #include <sys/socket.h>
1359 dnl Check for endianness.
1360 dnl AC_C_BIGENDIAN is done by gnulib.
1362 dnl check for Make feature
1363 dnl AC_PROG_MAKE_SET is done by Automake.
1368 dnl check for GNU Make if we have GCC and autodepend is on.
1369 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1370 AC_MSG_CHECKING([whether we are using GNU Make])
1372 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1373 if test "x$testval" != x; then
1376 ac_enable_autodepend=no
1378 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1379 if test $HAVE_GNU_MAKE = yes; then
1380 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1381 SAVE_CFLAGS="$CFLAGS"
1382 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1383 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1384 CFLAGS="$SAVE_CFLAGS"
1385 test -f deps.d || ac_enable_autodepend=no
1387 AC_MSG_RESULT([$ac_enable_autodepend])
1389 if test $ac_enable_autodepend = yes; then
1390 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1391 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1392 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1393 deps_frag=autodeps.mk
1396 deps_frag=$srcdir/src/$deps_frag
1399 AC_SUBST_FILE(deps_frag)
1402 lisp_frag=$srcdir/src/lisp.mk
1403 AC_SUBST_FILE(lisp_frag)
1406 dnl checks for operating system services
1407 AC_SYS_LONG_FILE_NAMES
1409 #### Choose a window system.
1411 ## We leave window_system equal to none if
1412 ## we end up building without one. Any new window system should
1413 ## set window_system to an appropriate value and add objects to
1414 ## window-system-specific substs.
1418 if test "$no_x" != yes; then
1422 LD_SWITCH_X_SITE_RPATH=
1423 if test "${x_libraries}" != NONE; then
1424 if test -n "${x_libraries}"; then
1425 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1426 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1428 x_default_search_path=""
1429 x_search_path=${x_libraries}
1430 if test -z "${x_search_path}"; then
1431 x_search_path=/usr/lib
1433 for x_library in `echo ${x_search_path}: | \
1434 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1436 ${x_library}/X11/%L/%T/%N%C%S:\
1437 ${x_library}/X11/%l/%T/%N%C%S:\
1438 ${x_library}/X11/%T/%N%C%S:\
1439 ${x_library}/X11/%L/%T/%N%S:\
1440 ${x_library}/X11/%l/%T/%N%S:\
1441 ${x_library}/X11/%T/%N%S"
1442 if test x"${x_default_search_path}" = x; then
1443 x_default_search_path=${x_search_path}
1445 x_default_search_path="${x_search_path}:${x_default_search_path}"
1449 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1451 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1452 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1455 if test x"${x_includes}" = x; then
1456 bitmapdir=/usr/include/X11/bitmaps
1458 # accumulate include directories that have X11 bitmap subdirectories
1460 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1461 if test -d "${bmd}/X11/bitmaps"; then
1462 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1464 if test -d "${bmd}/bitmaps"; then
1465 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1468 if test ${bmd_acc} != "dummyval"; then
1469 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1476 tmp_CPPFLAGS="$CPPFLAGS"
1477 tmp_CFLAGS="$CFLAGS"
1478 CPPFLAGS="$CPPFLAGS -x objective-c"
1479 CFLAGS="$CFLAGS -x objective-c"
1482 if test "${with_ns}" != no; then
1483 if test "${opsys}" = darwin; then
1485 ns_appdir=`pwd`/nextstep/Emacs.app
1486 ns_appbindir=${ns_appdir}/Contents/MacOS
1487 ns_appresdir=${ns_appdir}/Contents/Resources
1488 ns_appsrc=Cocoa/Emacs.base
1489 elif test -f $GNUSTEP_CONFIG_FILE; then
1491 ns_appdir=`pwd`/nextstep/Emacs.app
1492 ns_appbindir=${ns_appdir}
1493 ns_appresdir=${ns_appdir}/Resources
1494 ns_appsrc=GNUstep/Emacs.base
1495 dnl FIXME sourcing this several times in subshells seems inefficient.
1496 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1497 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1498 dnl I seemed to need these as well with GNUstep-startup 0.25.
1499 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1500 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1501 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1502 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1503 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1504 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1505 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1506 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1507 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1508 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1509 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1510 dnl If they had chosen to either define it or not, we could have
1511 dnl just used AC_CHECK_DECL here.
1512 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1513 emacs_cv_objc_exceptions,
1514 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1515 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1519 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1520 if test $emacs_cv_objc_exceptions = yes; then
1521 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1522 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1523 [Define if GNUstep uses ObjC exceptions.])
1524 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1528 dnl This is only used while we test the NS headers, it gets reset below.
1529 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1531 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1532 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1533 files are missing or cannot be compiled.])])
1535 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1537 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1538 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1541 #error "OSX 10.4 or newer required"
1545 ns_osx_have_104=yes,
1547 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1549 ns_have_nsinteger=yes,
1550 ns_have_nsinteger=no)
1551 if test $ns_osx_have_104 = no; then
1552 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1554 if test $ns_have_nsinteger = yes; then
1555 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1559 AC_SUBST(LIBS_GNUSTEP)
1561 INSTALL_ARCH_INDEP_EXTRA=install-etc
1562 ns_self_contained=no
1565 if test "${HAVE_NS}" = yes; then
1566 if test "$with_toolkit_scroll_bars" = "no"; then
1567 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1570 window_system=nextstep
1571 # set up packaging dirs
1572 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1573 ns_self_contained=yes
1574 prefix=${ns_appresdir}
1575 exec_prefix=${ns_appbindir}
1576 dnl This one isn't really used, only archlibdir is.
1577 libexecdir="\${ns_appbindir}/libexec"
1578 archlibdir="\${ns_appbindir}/libexec"
1579 docdir="\${ns_appresdir}/etc"
1580 etcdir="\${ns_appresdir}/etc"
1581 dnl FIXME maybe set datarootdir instead.
1582 dnl That would also get applications, icons, man.
1583 infodir="\${ns_appresdir}/info"
1584 mandir="\${ns_appresdir}/man"
1585 lispdir="\${ns_appresdir}/lisp"
1586 leimdir="\${ns_appresdir}/leim"
1587 INSTALL_ARCH_INDEP_EXTRA=
1589 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1591 CFLAGS="$tmp_CFLAGS"
1592 CPPFLAGS="$tmp_CPPFLAGS"
1593 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1594 AC_SUBST(ns_self_contained)
1596 AC_SUBST(NS_OBJC_OBJ)
1606 if test "${with_w32}" != no; then
1609 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1610 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1611 cannot be found.])])
1614 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1617 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1622 if test "${opsys}" = "mingw32"; then
1623 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1624 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1625 #include <windows.h>
1626 #include <usp10.h>]],
1627 [[void test(PIMAGE_NT_HEADERS pHeader)
1628 {PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader);}]])],
1629 [emacs_cv_w32api=yes
1632 AC_MSG_RESULT($emacs_cv_w32api)
1633 if test "${emacs_cv_w32api}" = "no"; then
1634 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1645 if test "${HAVE_W32}" = "yes"; then
1646 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1647 AC_CHECK_TOOL(WINDRES, [windres],
1648 [AC_MSG_ERROR([No resource compiler found.])])
1649 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1650 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1651 EMACSRES="emacs.res"
1652 case "$canonical" in
1653 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1654 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1656 if test "${opsys}" = "cygwin"; then
1657 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1658 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1659 # Tell the linker that emacs.res is an object (which we compile from
1660 # the rc file), not a linker script.
1661 W32_RES_LINK="-Wl,emacs.res"
1663 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1664 W32_OBJ="$W32_OBJ w32notify.o"
1665 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1666 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1667 W32_RES_LINK="\$(EMACSRES)"
1668 CLIENTRES="emacsclient.res"
1669 CLIENTW="emacsclientw\$(EXEEXT)"
1670 FIRSTFILE_OBJ=firstfile.o
1673 LIBS_ECLIENT="-lcomctl32"
1674 LIB_WSOCK32="-lwsock32"
1675 NTLIB="ntlib.$ac_objext"
1676 XARGS_LIMIT="-s 10000"
1682 AC_SUBST(EMACS_MANIFEST)
1685 AC_SUBST(W32_RES_LINK)
1686 AC_SUBST(FIRSTFILE_OBJ)
1689 AC_SUBST(LIBS_ECLIENT)
1690 AC_SUBST(LIB_WSOCK32)
1692 AC_SUBST(XARGS_LIMIT)
1694 if test "${HAVE_W32}" = "yes"; then
1699 ## $window_system is now set to the window system we will
1707 case "${window_system}" in
1712 case "${with_x_toolkit}" in
1713 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1714 motif ) USE_X_TOOLKIT=MOTIF ;;
1716 term_header=gtkutil.h
1717 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1718 dnl USE_X_TOOLKIT is set.
1719 USE_X_TOOLKIT=none ;;
1720 gtk2 ) with_gtk2=yes
1721 term_header=gtkutil.h
1722 USE_X_TOOLKIT=none ;;
1723 gtk3 ) with_gtk3=yes
1724 term_header=gtkutil.h
1725 USE_X_TOOLKIT=none ;;
1726 no ) USE_X_TOOLKIT=none ;;
1727 dnl If user did not say whether to use a toolkit, make this decision later:
1728 dnl use the toolkit if we have gtk, or X11R5 or newer.
1729 * ) USE_X_TOOLKIT=maybe ;;
1733 term_header=nsterm.h
1736 term_header=w32term.h
1740 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1741 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1742 if test "$HAVE_XSERVER" = true ||
1743 test -n "$DISPLAY" ||
1744 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1745 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1746 were found. You should install the relevant development files for X
1747 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1748 sure you have development files for image handling, i.e.
1749 tiff, gif, jpeg, png and xpm.
1750 If you are sure you want Emacs compiled without X window support, pass
1756 ### If we're using X11, we should use the X menu package.
1759 yes ) HAVE_MENUS=yes ;;
1762 # Does the opsystem file prohibit the use of the GNU malloc?
1763 # Assume not, until told otherwise.
1767 [whether malloc is Doug Lea style],
1768 [emacs_cv_var_doug_lea_malloc],
1771 [[#include <malloc.h>
1772 static void hook (void) {}]],
1773 [[malloc_set_state (malloc_get_state ());
1774 __after_morecore_hook = hook;
1775 __malloc_initialize_hook = hook;]])],
1776 [emacs_cv_var_doug_lea_malloc=yes],
1777 [emacs_cv_var_doug_lea_malloc=no])])
1778 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1781 dnl See comments in aix4-2.h about maybe using system malloc there.
1784 ## darwin ld insists on the use of malloc routines in the System framework.
1785 darwin|sol2-10) system_malloc=yes ;;
1788 if test "${system_malloc}" = "yes"; then
1789 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1792 (The GNU allocators don't work with this system configuration.)"
1796 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1797 VMLIMIT_OBJ=vm-limit.o
1799 AC_CHECK_HEADERS([sys/vlimit.h])
1800 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1803 [[extern char data_start[]; char ch;]],
1804 [[return data_start < &ch;]])],
1805 [emacs_cv_data_start=yes],
1806 [emacs_cv_data_start=no])])
1807 if test $emacs_cv_data_start = yes; then
1808 AC_DEFINE([HAVE_DATA_START], 1,
1809 [Define to 1 if data_start is the address of the start
1810 of the main data segment.])
1813 AC_SUBST(GMALLOC_OBJ)
1814 AC_SUBST(VMLIMIT_OBJ)
1816 if test "$doug_lea_malloc" = "yes" ; then
1817 if test "$GNU_MALLOC" = yes ; then
1819 (Using Doug Lea's new malloc from the GNU C Library.)"
1821 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1822 [Define to 1 if you are using the GNU C Library.])
1824 ## Use mmap directly for allocating larger buffers.
1825 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1826 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1827 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1829 gnu*) REL_ALLOC=no ;;
1833 if test x"${REL_ALLOC}" = x; then
1834 REL_ALLOC=${GNU_MALLOC}
1837 use_mmap_for_buffers=no
1839 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1843 if test $use_mmap_for_buffers = yes; then
1844 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1848 LIBS="$LIBS_SYSTEM $LIBS"
1850 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1851 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1852 AC_CHECK_LIB(dnet, dnet_ntoa)
1853 dnl This causes -lresolv to get used in subsequent tests,
1854 dnl which causes failures on some systems such as HPUX 9.
1855 dnl AC_CHECK_LIB(resolv, gethostbyname)
1857 dnl FIXME replace main with a function we actually want from this library.
1858 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1860 dnl Check if pthreads is available.
1862 AC_CHECK_HEADERS_ONCE(pthread.h)
1863 if test "$ac_cv_header_pthread_h"; then
1864 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1865 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1866 dnl testing for pthread_self if Emacs uses gmalloc.c.
1867 if test "$GMALLOC_OBJ" = gmalloc.o; then
1868 emacs_pthread_function=pthread_atfork
1870 emacs_pthread_function=pthread_self
1872 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1874 if test "$HAVE_PTHREAD" = yes; then
1875 case "${canonical}" in
1877 *) LIB_PTHREAD="-lpthread"
1878 LIBS="$LIB_PTHREAD $LIBS" ;;
1880 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1882 AC_SUBST([LIB_PTHREAD])
1884 AC_CHECK_LIB(pthreads, cma_open)
1886 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1887 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1888 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1889 ## added to LIBS in configure would never contain the pthreads part,
1890 ## but the value used in Makefiles might. FIXME?
1892 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1893 ## be harmless on older versions of X where it happens to exist.
1894 test "$opsys" = "aix4-2" && \
1895 test $ac_cv_lib_pthreads_cma_open = yes && \
1896 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1898 dnl Check for need for bigtoc support on IBM AIX
1902 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1904 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1905 *) gdb_cv_bigtoc=-bbigtoc ;;
1908 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1909 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1914 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1915 # used for the tests that follow. We set them back to REAL_CFLAGS and
1916 # REAL_CPPFLAGS later on.
1918 REAL_CFLAGS="$CFLAGS"
1919 REAL_CPPFLAGS="$CPPFLAGS"
1921 if test "${HAVE_X11}" = "yes"; then
1922 DEFS="$C_SWITCH_X_SITE $DEFS"
1923 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1925 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1926 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1928 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1929 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1930 # but it's more convenient here to set LD_RUN_PATH since this
1931 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1932 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1933 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1937 if test "${opsys}" = "gnu-linux"; then
1938 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1939 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1940 [[XOpenDisplay ("foo");]])],
1941 [xgnu_linux_first_failure=no],
1942 [xgnu_linux_first_failure=yes])
1943 if test "${xgnu_linux_first_failure}" = "yes"; then
1944 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1945 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1946 OLD_CPPFLAGS="$CPPFLAGS"
1948 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1949 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1950 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1951 LIBS="$LIBS -b i486-linuxaout"
1952 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1953 [[XOpenDisplay ("foo");]])],
1954 [xgnu_linux_second_failure=no],
1955 [xgnu_linux_second_failure=yes])
1956 if test "${xgnu_linux_second_failure}" = "yes"; then
1957 # If we get the same failure with -b, there is no use adding -b.
1958 # So take it out. This plays safe.
1959 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1960 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1961 CPPFLAGS="$OLD_CPPFLAGS"
1972 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1973 # header files included from there.
1974 AC_MSG_CHECKING(for Xkb)
1975 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1976 #include <X11/XKBlib.h>]],
1977 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1978 emacs_xkb=yes, emacs_xkb=no)
1979 AC_MSG_RESULT($emacs_xkb)
1980 if test $emacs_xkb = yes; then
1981 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
1984 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1985 XScreenNumberOfScreen)
1988 if test "${window_system}" = "x11"; then
1989 AC_MSG_CHECKING(X11 version 6)
1990 AC_CACHE_VAL(emacs_cv_x11_version_6,
1991 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1992 [[#if XlibSpecificationRelease < 6
1995 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1996 if test $emacs_cv_x11_version_6 = yes; then
1997 AC_MSG_RESULT(6 or newer)
1998 AC_DEFINE(HAVE_X11R6, 1,
1999 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2000 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2001 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2005 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2006 [Define if you have usable X11R6-style XIM support.])
2010 AC_MSG_RESULT(before 6)
2015 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2017 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2018 if test "${with_rsvg}" != "no"; then
2019 RSVG_REQUIRED=2.11.0
2020 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2022 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2023 AC_SUBST(RSVG_CFLAGS)
2026 if test $HAVE_RSVG = yes; then
2027 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2028 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2029 LIBS="$RSVG_LIBS $LIBS"
2035 if test "${HAVE_X11}" = "yes"; then
2036 if test "${with_imagemagick}" != "no"; then
2037 ## 6.2.8 is the earliest version known to work, but earlier versions
2038 ## might work - let us know if you find one.
2039 ## 6.0.7 does not work. See bug#7955.
2040 ## 6.8.2 makes Emacs crash; see Bug#13867.
2041 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2042 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2043 AC_SUBST(IMAGEMAGICK_CFLAGS)
2044 AC_SUBST(IMAGEMAGICK_LIBS)
2046 if test $HAVE_IMAGEMAGICK = yes; then
2047 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2048 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2049 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2050 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2060 if test "${opsys}" != "mingw32"; then
2061 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2064 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2066 dnl Checks for libraries.
2067 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2068 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2069 AC_MSG_ERROR($GTK_PKG_ERRORS)
2071 if test "$pkg_check_gtk" = "yes"; then
2072 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2073 GTK_OBJ=emacsgtkfixed.o
2074 term_header=gtkutil.h
2075 USE_GTK_TOOLKIT="GTK3"
2076 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2077 GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
2081 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2085 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2088 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2090 dnl Checks for libraries.
2091 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2092 if test "$pkg_check_gtk" = "no" &&
2093 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2095 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2097 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2101 if test x"$pkg_check_gtk" = xyes; then
2103 AC_SUBST(GTK_CFLAGS)
2105 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2106 CFLAGS="$CFLAGS $GTK_CFLAGS"
2107 LIBS="$GTK_LIBS $LIBS"
2108 dnl Try to compile a simple GTK program.
2110 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2111 if test "${GTK_COMPILES}" != "yes"; then
2112 if test "$USE_X_TOOLKIT" != "maybe"; then
2113 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2117 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2118 GTK_OBJ="gtkutil.o $GTK_OBJ"
2120 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2123 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2124 closing open displays. This is no problem if you just use
2125 one display, but if you use more than one and close one of them
2135 if test "${HAVE_GTK}" = "yes"; then
2137 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2138 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2139 if test "$with_toolkit_scroll_bars" != no; then
2140 with_toolkit_scroll_bars=yes
2143 dnl Check if we have the old file selection dialog declared and
2144 dnl in the link library. In 2.x it may be in the library,
2145 dnl but not declared if deprecated featured has been selected out.
2146 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2147 HAVE_GTK_FILE_SELECTION=no
2148 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2149 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2150 #include <gtk/gtk.h>])
2151 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2152 AC_CHECK_FUNCS(gtk_file_selection_new)
2155 dnl Same as above for gtk_handle_box.
2156 HAVE_GTK_HANDLE_BOX=no
2157 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2158 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2159 #include <gtk/gtk.h>])
2160 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2161 AC_CHECK_FUNCS(gtk_handle_box_new)
2164 dnl Same as above for gtk_tearoff_menu_item.
2165 HAVE_GTK_TEAROFF_MENU_ITEM=no
2166 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2167 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2168 #include <gtk/gtk.h>])
2169 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2170 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2173 dnl Check for functions introduced in 2.14 and later.
2174 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2175 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2176 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2177 gtk_orientable_set_orientation \
2178 gtk_window_set_has_resize_grip)
2180 term_header=gtkutil.h
2183 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2184 dnl other platforms.
2187 if test "${with_dbus}" = "yes"; then
2188 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2189 if test "$HAVE_DBUS" = yes; then
2190 LIBS="$LIBS $DBUS_LIBS"
2191 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2192 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2193 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2195 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2196 dbus_type_is_valid \
2197 dbus_validate_bus_name \
2198 dbus_validate_path \
2199 dbus_validate_interface \
2200 dbus_validate_member)
2206 dnl GSettings has been tested under GNU/Linux only.
2208 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2209 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2210 if test "$HAVE_GSETTINGS" = "yes"; then
2211 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2212 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2213 SETTINGS_LIBS="$GSETTINGS_LIBS"
2217 dnl GConf has been tested under GNU/Linux only.
2218 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2220 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2221 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2222 if test "$HAVE_GCONF" = yes; then
2223 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2224 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2225 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2226 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2230 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2231 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2232 if test "$HAVE_GOBJECT" = "yes"; then
2233 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2234 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2236 SAVE_CFLAGS="$CFLAGS"
2238 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2239 LIBS="$SETTINGS_LIBS $LIBS"
2240 AC_CHECK_FUNCS([g_type_init])
2241 CFLAGS="$SAVE_CFLAGS"
2244 AC_SUBST(SETTINGS_CFLAGS)
2245 AC_SUBST(SETTINGS_LIBS)
2248 dnl SELinux is available for GNU/Linux only.
2251 if test "${with_selinux}" = "yes"; then
2252 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2253 if test "$HAVE_LIBSELINUX" = yes; then
2254 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2255 LIBSELINUX_LIBS=-lselinux
2258 AC_SUBST(LIBSELINUX_LIBS)
2261 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2262 if test "${with_gnutls}" = "yes" ; then
2263 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2264 if test "${HAVE_GNUTLS}" = "yes"; then
2265 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2270 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2271 LIBS="$LIBGNUTLS_LIBS $LIBS"
2272 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2274 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2275 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2278 # Windows loads GnuTLS dynamically
2279 if test "${opsys}" = "mingw32"; then
2286 AC_SUBST(LIBGNUTLS_LIBS)
2287 AC_SUBST(LIBGNUTLS_CFLAGS)
2289 dnl inotify is only available on GNU/Linux.
2290 if test "${with_inotify}" = "yes"; then
2291 AC_CHECK_HEADERS(sys/inotify.h)
2292 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2293 AC_CHECK_FUNC(inotify_init1)
2296 if test "$ac_cv_func_inotify_init1" = yes; then
2297 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2300 dnl POSIX ACL support: provided by libacl on GNU/Linux, by libc on FreeBSD.
2303 if test "${with_acl}" = "yes"; then
2304 AC_CHECK_LIB([acl], [acl_set_file], HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2305 if test "$HAVE_POSIX_ACL" = yes; then
2306 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2309 AC_CHECK_FUNC(acl_set_file, HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2310 if test "$HAVE_POSIX_ACL" = yes; then
2311 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2315 AC_SUBST(LIBACL_LIBS)
2317 dnl Do not put whitespace before the #include statements below.
2318 dnl Older compilers (eg sunos4 cc) choke on it.
2321 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2322 if test "$with_xaw3d" != no; then
2323 AC_CACHE_VAL(emacs_cv_xaw3d,
2324 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2325 #include <X11/Intrinsic.h>
2326 #include <X11/Xaw3d/Simple.h>]],
2328 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2329 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2330 emacs_cv_xaw3d=no)])
2334 if test $emacs_cv_xaw3d = yes; then
2335 AC_MSG_CHECKING(for xaw3d)
2336 AC_MSG_RESULT([yes; using Lucid toolkit])
2340 AC_DEFINE(HAVE_XAW3D, 1,
2341 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2343 AC_MSG_CHECKING(for xaw3d)
2345 AC_MSG_CHECKING(for libXaw)
2346 AC_CACHE_VAL(emacs_cv_xaw,
2347 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2348 #include <X11/Intrinsic.h>
2349 #include <X11/Xaw/Simple.h>]],
2353 if test $emacs_cv_xaw = yes; then
2354 AC_MSG_RESULT([yes; using Lucid toolkit])
2357 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2358 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2360 AC_MSG_ERROR([No X toolkit could be found.
2361 If you are sure you want Emacs compiled without an X toolkit, pass
2363 to configure. Otherwise, install the development libraries for the toolkit
2364 that you want to use (e.g. Gtk+) and re-run configure.])
2369 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2372 if test "${USE_X_TOOLKIT}" != "none"; then
2373 AC_MSG_CHECKING(X11 toolkit version)
2374 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2375 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2376 [[#if XtSpecificationRelease < 6
2379 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2380 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2381 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2382 AC_MSG_RESULT(6 or newer)
2383 AC_DEFINE(HAVE_X11XTR6, 1,
2384 [Define to 1 if you have the X11R6 or newer version of Xt.])
2385 LIBXTR6="-lSM -lICE"
2387 ## Use libw.a along with X11R6 Xt.
2388 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2391 AC_MSG_RESULT(before 6)
2394 dnl If using toolkit, check whether libXmu.a exists.
2395 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2397 if test x$HAVE_X11XTR6 = xyes; then
2398 LIBS="-lXt -lSM -lICE $LIBS"
2402 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2403 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2404 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2408 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2409 dnl Why not just test for libxmu in the normal way?
2412 ## These systems don't supply Xmu.
2414 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2422 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2423 if test "${HAVE_X11}" = "yes"; then
2424 if test "${USE_X_TOOLKIT}" != "none"; then
2425 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2430 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2431 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2432 if test -d /usr/include/openmotif; then
2433 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2434 emacs_cv_openmotif=yes
2435 case "$canonical" in
2436 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2437 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2440 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2443 emacs_cv_openmotif=no
2445 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2446 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2447 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2450 Motif version prior to 2.1.
2452 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2453 if test $emacs_cv_motif_version_2_1 = yes; then
2454 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2455 if test x$emacs_cv_openmotif = xyes; then
2456 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2459 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2460 # We put this in CFLAGS temporarily to precede other -I options
2461 # that might be in CFLAGS temporarily.
2462 # We put this in CPPFLAGS where it precedes the other -I options.
2463 OLD_CPPFLAGS=$CPPFLAGS
2465 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2466 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2467 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2469 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2470 if test $emacs_cv_lesstif = yes; then
2471 # Make sure this -I option remains in CPPFLAGS after it is set
2472 # back to REAL_CPPFLAGS.
2473 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2474 # have those other -I options anyway. Ultimately, having this
2475 # directory ultimately in CPPFLAGS will be enough.
2476 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2477 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2480 CPPFLAGS=$OLD_CPPFLAGS
2483 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2484 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2487 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2488 dnl using Motif or Xaw3d is available, and unless
2489 dnl --with-toolkit-scroll-bars=no was specified.
2491 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2492 [Define to 1 if we should use toolkit scroll bars.])dnl
2493 USE_TOOLKIT_SCROLL_BARS=no
2494 if test "${with_toolkit_scroll_bars}" != "no"; then
2495 if test "${USE_X_TOOLKIT}" != "none"; then
2496 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2497 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2499 USE_TOOLKIT_SCROLL_BARS=yes
2500 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2501 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2502 USE_TOOLKIT_SCROLL_BARS=yes
2504 elif test "${HAVE_GTK}" = "yes"; then
2505 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2506 USE_TOOLKIT_SCROLL_BARS=yes
2507 elif test "${HAVE_NS}" = "yes"; then
2508 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2509 USE_TOOLKIT_SCROLL_BARS=yes
2510 elif test "${HAVE_W32}" = "yes"; then
2511 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2512 USE_TOOLKIT_SCROLL_BARS=yes
2516 dnl See if XIM is available.
2517 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2518 #include <X11/Xlib.h>
2519 #include <X11/Xresource.h>]],
2520 [[XIMProc callback;]])],
2522 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2525 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2527 if test "${with_xim}" != "no"; then
2528 AC_DEFINE(USE_XIM, 1,
2529 [Define to 1 if we should use XIM, if it is available.])
2533 if test "${HAVE_XIM}" != "no"; then
2535 if test "$GCC" = yes; then
2536 CFLAGS="$CFLAGS --pedantic-errors"
2538 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2539 #include <X11/Xlib.h>
2540 #include <X11/Xresource.h>]],
2546 XPointer *client_data;
2548 /* If we're not using GCC, it's probably not XFree86, and this is
2549 probably right, but we can't use something like --pedantic-errors. */
2550 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2551 char*, XIMProc, XPointer*);
2553 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2555 [emacs_cv_arg6_star=yes])
2556 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2557 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2558 either XPointer or XPointer*.])dnl
2559 if test "$emacs_cv_arg6_star" = yes; then
2560 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2562 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2567 ### Start of font-backend (under any platform) section.
2568 # (nothing here yet -- this is a placeholder)
2569 ### End of font-backend (under any platform) section.
2571 ### Start of font-backend (under X11) section.
2572 if test "${HAVE_X11}" = "yes"; then
2573 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2575 ## Use -lXft if available, unless `--with-xft=no'.
2577 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2580 if test "x${with_xft}" != "xno"; then
2582 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2583 ## Because xftfont.c uses XRenderQueryExtension, we also
2584 ## need to link to -lXrender.
2586 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2587 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2588 OLD_CPPFLAGS="$CPPFLAGS"
2589 OLD_CFLAGS="$CFLAGS"
2591 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2592 CFLAGS="$CFLAGS $XFT_CFLAGS"
2593 XFT_LIBS="-lXrender $XFT_LIBS"
2594 LIBS="$XFT_LIBS $LIBS"
2595 AC_CHECK_HEADER(X11/Xft/Xft.h,
2596 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2598 if test "${HAVE_XFT}" = "yes"; then
2599 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2601 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2603 CPPFLAGS="$OLD_CPPFLAGS"
2604 CFLAGS="$OLD_CFLAGS"
2606 fi # "${HAVE_XFT}" = "yes"
2607 fi # "$HAVE_XFT" != no
2608 fi # "x${with_xft}" != "xno"
2610 ## We used to allow building with FreeType and without Xft.
2611 ## However, the ftx font backend driver is not in good shape.
2612 if test "$HAVE_XFT" != "yes"; then
2613 dnl For the "Does Emacs use" message at the end.
2617 dnl Strict linkers fail with
2618 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2619 dnl if -lfreetype is not specified.
2620 dnl The following is needed to set FREETYPE_LIBS.
2621 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2624 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2628 if test "${HAVE_FREETYPE}" = "yes"; then
2629 AC_DEFINE(HAVE_FREETYPE, 1,
2630 [Define to 1 if using the freetype and fontconfig libraries.])
2631 if test "${with_libotf}" != "no"; then
2632 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2634 if test "$HAVE_LIBOTF" = "yes"; then
2635 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2636 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2637 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2638 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2639 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2640 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2641 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2645 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2646 dnl Does the new font backend require it, or can it work without it?
2650 if test "${HAVE_LIBOTF}" = yes; then
2651 if test "${with_m17n_flt}" != "no"; then
2652 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2653 if test "$HAVE_M17N_FLT" = "yes"; then
2654 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2665 ### End of font-backend (under X11) section.
2667 AC_SUBST(FREETYPE_CFLAGS)
2668 AC_SUBST(FREETYPE_LIBS)
2669 AC_SUBST(FONTCONFIG_CFLAGS)
2670 AC_SUBST(FONTCONFIG_LIBS)
2671 AC_SUBST(LIBOTF_CFLAGS)
2672 AC_SUBST(LIBOTF_LIBS)
2673 AC_SUBST(M17N_FLT_CFLAGS)
2674 AC_SUBST(M17N_FLT_LIBS)
2676 ### Use -lXpm if available, unless `--with-xpm=no'.
2677 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2680 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2681 if test "${with_xpm}" != "no"; then
2682 SAVE_CPPFLAGS="$CPPFLAGS"
2683 SAVE_LDFLAGS="$LDFLAGS"
2684 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2685 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2686 AC_CHECK_HEADER(X11/xpm.h,
2687 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2688 if test "${HAVE_XPM}" = "yes"; then
2689 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2690 AC_EGREP_CPP(no_return_alloc_pixels,
2691 [#include "X11/xpm.h"
2692 #ifndef XpmReturnAllocPixels
2693 no_return_alloc_pixels
2695 ], HAVE_XPM=no, HAVE_XPM=yes)
2697 if test "${HAVE_XPM}" = "yes"; then
2698 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2702 CPPFLAGS="$SAVE_CPPFLAGS"
2703 LDFLAGS="$SAVE_LDFLAGS"
2708 if test "${HAVE_XPM}" = "yes"; then
2709 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2714 if test "${HAVE_X11}" = "yes"; then
2715 if test "${with_xpm}" != "no"; then
2716 AC_CHECK_HEADER(X11/xpm.h,
2717 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2718 if test "${HAVE_XPM}" = "yes"; then
2719 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2720 AC_EGREP_CPP(no_return_alloc_pixels,
2721 [#include "X11/xpm.h"
2722 #ifndef XpmReturnAllocPixels
2723 no_return_alloc_pixels
2725 ], HAVE_XPM=no, HAVE_XPM=yes)
2727 if test "${HAVE_XPM}" = "yes"; then
2735 if test "${HAVE_XPM}" = "yes"; then
2736 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2741 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2742 ### slightly different requirements wrt image libraries (it doesn't
2743 ### use -lXpm because it loads the xpm shared library dynamically at
2745 if test "${opsys}" = "mingw32"; then
2746 if test "${with_xpm}" != "no"; then
2747 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2751 if test "${HAVE_XPM}" = "yes"; then
2752 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2758 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2759 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2762 if test "${opsys}" = "mingw32"; then
2763 if test "${with_jpeg}" != "no"; then
2764 dnl Checking for jpeglib.h can lose because of a redefinition of
2766 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2768 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2769 if test "${HAVE_JPEG}" = "yes"; then
2770 AC_DEFINE(HAVE_JPEG)
2771 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2772 [#include <jpeglib.h>
2773 version=JPEG_LIB_VERSION
2775 [AC_DEFINE(HAVE_JPEG)],
2776 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2779 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2780 if test "${with_jpeg}" != "no"; then
2781 dnl Checking for jpeglib.h can lose because of a redefinition of
2783 AC_CHECK_HEADER(jerror.h,
2784 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2787 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2788 if test "${HAVE_JPEG}" = "yes"; then
2789 AC_DEFINE(HAVE_JPEG)
2790 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2791 [#include <jpeglib.h>
2792 version=JPEG_LIB_VERSION
2794 [AC_DEFINE(HAVE_JPEG)],
2795 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2798 if test "${HAVE_JPEG}" = "yes"; then
2804 ### Use -lpng if available, unless `--with-png=no'.
2805 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2808 if test "${opsys}" = "mingw32"; then
2809 if test "${with_png}" != "no"; then
2810 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2812 if test "${HAVE_PNG}" = "yes"; then
2813 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2815 AC_CHECK_DECL(png_longjmp,
2817 [AC_DEFINE(PNG_DEPSTRUCT, [],
2818 [Define to empty to suppress deprecation warnings when building
2819 with --enable-gcc-warnings and with libpng versions before 1.5,
2820 which lack png_longjmp.])],
2821 [[#ifdef HAVE_LIBPNG_PNG_H
2822 # include <libpng/png.h>
2828 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2829 if test "${with_png}" != "no"; then
2830 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2831 # in /usr/include/libpng.
2832 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2833 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2834 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2838 if test "${HAVE_PNG}" = "yes"; then
2839 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2840 LIBPNG="-lpng -lz -lm"
2842 AC_CHECK_DECL(png_longjmp,
2844 [AC_DEFINE(PNG_DEPSTRUCT, [],
2845 [Define to empty to suppress deprecation warnings when building
2846 with --enable-gcc-warnings and with libpng versions before 1.5,
2847 which lack png_longjmp.])],
2848 [[#ifdef HAVE_LIBPNG_PNG_H
2849 # include <libpng/png.h>
2858 ### Use -ltiff if available, unless `--with-tiff=no'.
2859 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
2862 if test "${opsys}" = "mingw32"; then
2863 if test "${with_tiff}" != "no"; then
2864 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
2866 if test "${HAVE_TIFF}" = "yes"; then
2867 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2869 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2870 if test "${with_tiff}" != "no"; then
2871 AC_CHECK_HEADER(tiffio.h,
2873 # At least one tiff package requires the jpeg library.
2874 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2875 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2878 if test "${HAVE_TIFF}" = "yes"; then
2879 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2880 dnl FIXME -lz -lm, as per libpng?
2886 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2887 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
2890 if test "${opsys}" = "mingw32"; then
2891 if test "${with_gif}" != "no"; then
2892 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
2894 if test "${HAVE_GIF}" = "yes"; then
2895 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2897 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
2898 || test "${HAVE_W32}" = "yes"; then
2899 AC_CHECK_HEADER(gif_lib.h,
2900 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2901 # Earlier versions can crash Emacs.
2902 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2904 if test "$HAVE_GIF" = yes; then
2906 elif test "$HAVE_GIF" = maybe; then
2907 # If gif_lib.h but no libgif, try libungif.
2908 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2909 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2912 if test "${HAVE_GIF}" = "yes"; then
2913 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2918 dnl Check for required libraries.
2919 if test "${HAVE_X11}" = "yes"; then
2922 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2923 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2924 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2925 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2926 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2927 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2928 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2929 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2930 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2931 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2933 if test "X${MISSING}" != X; then
2934 AC_MSG_ERROR([The following required libraries were not found:
2936 Maybe some development libraries/packages are missing?
2937 If you don't want to link with them give
2939 as options to configure])
2943 ### Use -lgpm if available, unless `--with-gpm=no'.
2946 if test "${with_gpm}" != "no"; then
2947 AC_CHECK_HEADER(gpm.h,
2948 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2950 if test "${HAVE_GPM}" = "yes"; then
2951 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2957 dnl Check for malloc/malloc.h on darwin
2958 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2961 ### Use NeXTstep API to implement GUI.
2962 if test "${HAVE_NS}" = "yes"; then
2963 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2964 if test "${NS_IMPL_COCOA}" = "yes"; then
2965 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2967 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2968 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2969 # See also .m.o rule in Makefile.in */
2970 # FIXME: are all these flags really needed? Document here why. */
2971 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2972 ## Extra CFLAGS applied to src/*.m files.
2973 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2975 # We also have mouse menus.
2980 if test "${HAVE_W32}" = "yes"; then
2984 ### Use session management (-lSM -lICE) if available
2987 if test "${HAVE_X11}" = "yes"; then
2988 AC_CHECK_HEADER(X11/SM/SMlib.h,
2989 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2991 if test "${HAVE_X_SM}" = "yes"; then
2992 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2996 *) LIBS="$LIBXSM $LIBS" ;;
3002 ### Use libxml (-lxml2) if available
3003 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3005 if test "${with_xml2}" != "no"; then
3006 ### I'm not sure what the version number should be, so I just guessed.
3007 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3008 if test "${HAVE_LIBXML2}" = "yes"; then
3009 if test "${opsys}" != "mingw32"; then
3010 LIBS="$LIBXML2_LIBS $LIBS"
3011 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3015 if test "${HAVE_LIBXML2}" = "yes"; then
3016 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3023 AC_SUBST(LIBXML2_LIBS)
3024 AC_SUBST(LIBXML2_CFLAGS)
3026 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3027 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3028 if test "${opsys}" = "mingw32"; then
3029 emacs_cv_netdb_declares_h_errno=yes
3031 AC_CACHE_CHECK(whether netdb declares h_errno,
3032 emacs_cv_netdb_declares_h_errno,
3033 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3034 [[return h_errno;]])],
3035 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3036 if test $emacs_cv_netdb_declares_h_errno = yes; then
3037 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3040 # sqrt and other floating-point functions such as fmod and frexp
3041 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3042 if test "${opsys}" != "mingw32"; then
3043 AC_CHECK_LIB(m, sqrt)
3046 # Check for mail-locking functions in a "mail" library. Probably this should
3047 # have the same check as for liblockfile below.
3048 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3049 if test $have_mail = yes; then
3051 LIBS="$LIBS_MAIL $LIBS"
3052 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3056 dnl Debian, at least:
3057 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3058 if test $have_lockfile = yes; then
3059 LIBS_MAIL=-llockfile
3060 LIBS="$LIBS_MAIL $LIBS"
3061 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3063 # If we have the shared liblockfile, assume we must use it for mail
3064 # locking (e.g. Debian). If we couldn't link against liblockfile
3065 # (no liblockfile.a installed), ensure that we don't need to.
3066 dnl This works for files generally, not just executables.
3067 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3068 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3069 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3070 if test $ac_cv_prog_liblockfile = yes; then
3071 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3072 This probably means that movemail could lose mail.
3073 There may be a `development' package to install containing liblockfile.])
3076 AC_CHECK_HEADERS_ONCE(maillock.h)
3079 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3080 ## interlock access to the mail spool. The alternative is a lock file named
3081 ## /usr/spool/mail/$USER.lock.
3084 aix4-2) mail_lock="lockf" ;;
3086 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3088 ## On GNU/Linux systems, both methods are used by various mail programs.
3089 ## I assume most people are using newer mailers that have heard of flock.
3090 ## Change this if you need to.
3091 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3092 ## configure gets the right answers, and that means *NOT* using flock.
3093 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3094 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3095 ## Debian maintainer hasn't provided a clean fix for Emacs.
3096 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3097 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3098 ## correct logic. -- fx
3099 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3100 ## liblockfile is a Free Software replacement for libmail, used on
3101 ## Debian systems and elsewhere. -rfr.
3104 if test $have_mail = yes || test $have_lockfile = yes; then
3105 test $ac_cv_header_maillock_h = yes && mail_lock=no
3110 mail_lock="none-needed" ;;
3114 case "$mail_lock" in
3115 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3117 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3121 *) BLESSMAIL_TARGET="need-blessmail" ;;
3123 AC_SUBST(BLESSMAIL_TARGET)
3126 AC_CHECK_FUNCS(gethostname \
3127 getrusage get_current_dir_name \
3129 select getpagesize setlocale \
3130 utimes getrlimit setrlimit shutdown getaddrinfo \
3131 strsignal setitimer \
3132 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3133 gai_strerror mkstemp getline getdelim sync \
3134 difftime posix_memalign \
3135 getpwent endpwent getgrent endgrent \
3137 cfmakeraw cfsetspeed copysign __executable_start)
3139 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3140 ## has a broken `rint' in some library versions including math library
3141 ## version number A.09.05.
3142 ## You can fix the math library by installing patch number PHSS_4630.
3143 ## But we can fix it more reliably for Emacs by just not using rint.
3144 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3147 *) AC_CHECK_FUNCS(random rint) ;;
3150 dnl Cannot use AC_CHECK_FUNCS
3151 AC_CACHE_CHECK([for __builtin_unwind_init],
3152 emacs_cv_func___builtin_unwind_init,
3153 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3154 emacs_cv_func___builtin_unwind_init=yes,
3155 emacs_cv_func___builtin_unwind_init=no)])
3156 if test $emacs_cv_func___builtin_unwind_init = yes; then
3157 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3158 [Define to 1 if you have the `__builtin_unwind_init' function.])
3161 AC_CHECK_HEADERS_ONCE(sys/un.h)
3166 AC_CHECK_FUNCS(grantpt)
3168 # PTY-related GNU extensions.
3169 AC_CHECK_FUNCS(getpt posix_openpt)
3171 # Check this now, so that we will NOT find the above functions in ncurses.
3172 # That is because we have not set up to link ncurses in lib-src.
3173 # It's better to believe a function is not available
3174 # than to expect to find it in ncurses.
3175 # Also we need tputs and friends to be able to build at all.
3176 AC_MSG_CHECKING([for library containing tputs])
3177 # Run a test program that contains a call to tputs, a call that is
3178 # never executed. This tests whether a pre-'main' dynamic linker
3179 # works with the library. It's too much trouble to actually call
3180 # tputs in the test program, due to portability hassles. When
3181 # cross-compiling, assume the test program will run if it links.
3182 AC_DEFUN([tputs_link_source], [
3184 [[extern void tputs (const char *, int, int (*)(int));
3185 int main (int argc, char **argv)
3188 tputs (argv[0], 0, 0);
3192 if test "${opsys}" = "mingw32"; then
3195 # Maybe curses should be tried earlier?
3196 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3197 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3199 if test -z "$tputs_library"; then
3203 LIBS_TERMCAP=-l$tputs_library
3205 LIBS="$LIBS_TERMCAP $LIBS"
3207 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3208 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3210 if test "X$msg" != Xno; then
3215 AC_MSG_RESULT([$msg])
3216 if test "X$msg" = Xno; then
3217 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3218 The following libraries were tried (in order):
3219 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3220 Please try installing whichever of these libraries is most appropriate
3221 for your system, together with its header files.
3222 For example, a libncurses-dev(el) or similar package.])
3225 ## Use termcap instead of terminfo?
3226 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3228 ## FIXME? In the cases below where we unconditionally set
3229 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3230 ## if that was found above to have tputs.
3231 ## Should we use the gnu* logic everywhere?
3233 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3234 ## The ncurses library has been moved out of the System framework in
3235 ## Mac OS X 10.2. So if configure detects it, set the command-line
3236 ## option to use it.
3237 darwin) LIBS_TERMCAP="-lncurses" ;;
3239 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3242 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3243 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3244 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3245 [[#if __FreeBSD_version < 400000
3248 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3250 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3252 if test $emacs_cv_freebsd_terminfo = yes; then
3253 LIBS_TERMCAP="-lncurses"
3256 LIBS_TERMCAP="-ltermcap"
3266 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3268 LIBS_TERMCAP="-ltermcap"
3272 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3274 ## hpux: Make sure we get select from libc rather than from libcurses
3275 ## because libcurses on HPUX 10.10 has a broken version of select.
3276 ## We used to use -lc -lcurses, but this may be cleaner.
3277 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3278 # set that way, now it uses the default). Isn't this a contradiction?
3279 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3283 TERMCAP_OBJ=tparam.o
3284 if test $TERMINFO = yes; then
3285 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3286 TERMCAP_OBJ=terminfo.o
3288 AC_SUBST(LIBS_TERMCAP)
3289 AC_SUBST(TERMCAP_OBJ)
3292 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3293 # On Darwin, res_init appears not to be useful: see bug#562 and
3294 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3297 if test $opsys != darwin; then
3299 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3300 #include <arpa/nameser.h>
3301 #include <resolv.h>]],
3302 [[return res_init();]])],
3303 have_res_init=yes, have_res_init=no)
3304 if test "$have_res_init" = no; then
3306 LIBS="$LIBS -lresolv"
3307 AC_MSG_CHECKING(for res_init with -lresolv)
3308 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3309 #include <arpa/nameser.h>
3310 #include <resolv.h>]],
3311 [[return res_init();]])],
3312 have_res_init=yes, have_res_init=no)
3313 AC_MSG_RESULT($have_res_init)
3314 if test "$have_res_init" = yes ; then
3320 if test "$have_res_init" = yes; then
3321 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3325 # Do we need the Hesiod library to provide the support routines?
3326 dnl FIXME? Should we be skipping this on Darwin too?
3328 if test "$with_hesiod" != no ; then
3329 # Don't set $LIBS here -- see comments above. FIXME which comments?
3330 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3331 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3332 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3333 if test "$resolv" = yes ; then
3338 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3339 hesiod=yes, :, $RESOLVLIB)])
3341 if test x"$hesiod" = xyes; then
3342 AC_DEFINE(HAVE_LIBHESIOD, 1,
3343 [Define to 1 if you have the hesiod library (-lhesiod).])
3349 # Do we need libresolv (due to res_init or Hesiod)?
3350 if test "$resolv" = yes && test $opsys != darwin; then
3351 AC_DEFINE(HAVE_LIBRESOLV, 1,
3352 [Define to 1 if you have the resolv library (-lresolv).])
3359 # These tell us which Kerberos-related libraries to use.
3366 if test "${with_kerberos}" != no; then
3367 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3368 if test $have_com_err = yes; then
3369 COM_ERRLIB=-lcom_err
3370 LIBS="$COM_ERRLIB $LIBS"
3371 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3373 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3374 if test $have_crypto = yes; then
3376 LIBS="$CRYPTOLIB $LIBS"
3377 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3379 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3380 if test $have_k5crypto = yes; then
3381 CRYPTOLIB=-lk5crypto
3382 LIBS="$CRYPTOLIB $LIBS"
3383 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3385 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3386 if test $have_krb5=yes; then
3388 LIBS="$KRB5LIB $LIBS"
3389 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3391 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3392 if test "${with_kerberos5}" = no; then
3393 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3394 if test $have_des425 = yes; then
3396 LIBS="$DESLIB $LIBS"
3397 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3399 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3400 if test $have_des = yes; then
3402 LIBS="$DESLIB $LIBS"
3403 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3406 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3407 if test $have_krb4 = yes; then
3409 LIBS="$KRB4LIB $LIBS"
3410 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3412 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3413 if test $have_krb = yes; then
3415 LIBS="$KRB4LIB $LIBS"
3416 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3421 if test "${with_kerberos5}" != no; then
3422 AC_CHECK_HEADERS(krb5.h,
3423 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3424 [#include <krb5.h>])])
3426 AC_CHECK_HEADERS(des.h,,
3427 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3428 [AC_CHECK_HEADERS(kerberos/des.h)])])
3429 AC_CHECK_HEADERS(krb.h,,
3430 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3431 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3433 AC_CHECK_HEADERS(com_err.h)
3436 AC_SUBST(COM_ERRLIB)
3442 AC_CHECK_FUNCS_ONCE(tzset)
3443 AC_MSG_CHECKING(whether localtime caches TZ)
3444 AC_CACHE_VAL(emacs_cv_localtime_cache,
3445 [if test x$ac_cv_func_tzset = xyes; then
3446 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3447 char TZ_GMT0[] = "TZ=GMT0";
3448 char TZ_PST8[] = "TZ=PST8";
3451 time_t now = time ((time_t *) 0);
3452 int hour_GMT0, hour_unset;
3453 if (putenv (TZ_GMT0) != 0)
3455 hour_GMT0 = localtime (&now)->tm_hour;
3457 hour_unset = localtime (&now)->tm_hour;
3458 if (putenv (TZ_PST8) != 0)
3460 if (localtime (&now)->tm_hour == hour_GMT0)
3463 if (localtime (&now)->tm_hour != hour_unset)
3466 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3467 [# If we have tzset, assume the worst when cross-compiling.
3468 emacs_cv_localtime_cache=yes])
3470 # If we lack tzset, report that localtime does not cache TZ,
3471 # since we can't invalidate the cache if we don't have tzset.
3472 emacs_cv_localtime_cache=no
3474 AC_MSG_RESULT($emacs_cv_localtime_cache)
3475 if test $emacs_cv_localtime_cache = yes; then
3476 AC_DEFINE(LOCALTIME_CACHE, 1,
3477 [Define to 1 if localtime caches TZ.])
3481 AC_CHECK_FUNC(socket, , ok_so_far=no)
3482 if test $ok_so_far = yes; then
3483 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3485 if test $ok_so_far = yes; then
3486 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3488 if test $ok_so_far = yes; then
3489 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3490 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3491 [Define to 1 if you have inet sockets.])
3494 if test -f /usr/lpp/X11/bin/smt.exp; then
3495 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3496 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3499 AC_MSG_CHECKING(whether system supports dynamic ptys)
3500 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3502 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3507 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3508 dnl This can be removed once we assume Autoconf 2.70.
3510 *-solaris2.4 | *-solaris2.4.*)
3511 dnl Disable the Autoconf-generated vfork test.
3512 : ${ac_cv_func_vfork_works=no};;
3517 AC_CHECK_FUNCS(snprintf)
3519 dnl Adapted from Haible's version.
3520 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3521 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3522 [[char* cs = nl_langinfo(CODESET);]])],
3523 emacs_cv_langinfo_codeset=yes,
3524 emacs_cv_langinfo_codeset=no)
3526 if test $emacs_cv_langinfo_codeset = yes; then
3527 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3528 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3533 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3534 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3535 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3536 if test "$emacs_cv_c_restrict_arr" = yes; then
3537 AC_DEFINE(__restrict_arr, __restrict,
3538 [Define to compiler's equivalent of C99 restrict keyword in array
3539 declarations. Define as empty for no equivalent.])
3542 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3543 dnl how the tty code is related to POSIX and/or other versions of termios.
3544 dnl The following looks like a useful start.
3546 dnl AC_SYS_POSIX_TERMIOS
3547 dnl if test $ac_cv_sys_posix_termios = yes; then
3548 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3549 dnl and macros for terminal control.])
3550 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3553 dnl Turned on June 1996 supposing nobody will mind it.
3554 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3555 if test "${opsys}" != "mingw32"; then
3556 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3557 in the full name stands for the login id.])
3560 dnl Every platform that uses configure supports this.
3561 dnl There is a create-lockfiles option you can
3562 dnl customize if you do not want the lock files to be written.
3563 dnl So it is not clear that this #define still needs to exist.
3564 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3565 so that Emacs can tell instantly when you try to modify a file that
3566 someone else has modified in his/her Emacs.])
3568 dnl Everybody supports this, except MS.
3569 dnl Seems like the kind of thing we should be testing for, though.
3570 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3571 if test "${opsys}" != "mingw32"; then
3572 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3575 dnl Everybody supports this, except MS-DOS.
3576 dnl Seems like the kind of thing we should be testing for, though.
3577 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3578 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3579 4.2-compatible sockets.])
3581 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3583 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3584 a null file, or a data sink.])
3585 if test "${opsys}" = "mingw32"; then
3586 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3588 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3591 AH_TEMPLATE(SEPCHAR, [Character that separates PATH elements.])
3592 if test "${opsys}" = "mingw32"; then
3593 AC_DEFINE(SEPCHAR, [';'])
3595 AC_DEFINE(SEPCHAR, [':'])
3598 dnl Everybody supports this, except MS-DOS.
3599 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3601 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3604 AC_DEFINE(DIRECTORY_SEP, ['/'],
3605 [Character that separates directories in a file name.])
3607 AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.])
3608 if test "${opsys}" = "mingw32"; then
3609 dnl Only used on MS platforms.
3610 AC_DEFINE(DEVICE_SEP, ':')
3611 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == DEVICE_SEP)],
3612 [Returns true if character is a device separator.])
3614 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3615 [Returns true if character is a directory separator.])
3617 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3618 [Returns true if character is any form of separator.])
3620 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3621 [Returns true if character is a device separator.])
3623 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3624 [Returns true if character is a directory separator.])
3626 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3627 [Returns true if character is any form of separator.])
3630 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3634 dnl Unfortunately without libXmu we cannot support EditRes.
3635 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3636 AC_DEFINE(NO_EDITRES, 1)
3641 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3642 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3643 AC_DEFINE(NO_EDITRES, 1)
3649 irix6-5 | sol2* | unixware )
3650 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3651 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3652 dnl need the constant to dimension an array. So wire in the appropriate
3654 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3658 emacs_broken_SIGIO=no
3661 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3662 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3663 hpux* | irix6-5 | openbsd | sol2* | unixware )
3664 emacs_broken_SIGIO=yes
3668 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3669 dnl the way this system works, libc functions that return malloced
3670 dnl memory use the libc malloc implementation. Calling xfree or
3671 dnl xrealloc on the results of such functions results in a crash.
3673 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3674 dnl but that does not currently work on this system.
3676 dnl It is possible to completely override the malloc implementation on
3677 dnl AIX, but that involves putting the malloc functions in a shared
3678 dnl library and setting the MALLOCTYPE environment variable to point to
3679 dnl that shared library.
3681 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3682 dnl to avoid a crash just use the Emacs implementation for that function.
3684 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3685 dnl of this file, so that we do not check for get_current_dir_name
3686 dnl on AIX. But that might be fragile if something else ends
3687 dnl up testing for get_current_dir_name as a dependency.
3688 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3689 get_current_dir_name should not be used.])
3693 dnl Circumvent a bug in FreeBSD. In the following sequence of
3694 dnl writes/reads on a PTY, read(2) returns bogus data:
3696 dnl write(2) 1022 bytes
3697 dnl write(2) 954 bytes, get EAGAIN
3698 dnl read(2) 1024 bytes in process_read_output
3699 dnl read(2) 11 bytes in process_read_output
3701 dnl That is, read(2) returns more bytes than have ever been written
3702 dnl successfully. The 1033 bytes read are the 1022 bytes written
3703 dnl successfully after processing (for example with CRs added if the
3704 dnl terminal is set up that way which it is here). The same bytes will
3705 dnl be seen again in a later read(2), without the CRs.
3706 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3707 work around an issue when reading from a PTY.])
3713 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3714 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3719 darwin | dragonfly | freebsd | netbsd | openbsd )
3720 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3721 close a pty to make it a controlling terminal (it is already a
3722 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3726 dnl FIXME Surely we can test for this rather than hard-code it.
3728 netbsd | openbsd) sound_device="/dev/audio" ;;
3729 *) sound_device="/dev/dsp" ;;
3733 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3734 [Name of the default sound device.])
3737 dnl Emacs can read input using SIGIO and buffering characters itself,
3738 dnl or using CBREAK mode and making C-g cause SIGINT.
3739 dnl The choice is controlled by the variable interrupt_input.
3741 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3743 dnl Emacs uses the presence of the USABLE_SIGIO macro
3744 dnl to indicate whether or not signal-driven I/O is possible. It uses
3745 dnl INTERRUPT_INPUT to decide whether to use it by default.
3747 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3748 dnl CBREAK mode has two disadvantages
3749 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3750 dnl I hear that in system V this problem does not exist.
3751 dnl 2) Control-G causes output to be discarded.
3752 dnl I do not know whether this can be fixed in system V.
3754 dnl Another method of doing input is planned but not implemented.
3755 dnl It would have Emacs fork off a separate process
3756 dnl to read the input and send it to the true Emacs process
3759 darwin | gnu-linux | gnu-kfreebsd )
3760 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3765 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3766 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3767 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3768 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3769 dnl taking float or double parameters.
3771 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3772 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3773 file defines `NeedWidePrototypes' as `NO'.])
3778 dnl Used in process.c, this must be a loop, even if it only runs once.
3779 dnl (Except on SGI; see below. Take that, clarity and consistency!)
3780 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
3781 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
3782 dnl trying suffixes 0-16.
3783 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
3784 first PTY, if PTYs are supported.])
3785 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
3786 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
3787 end of a PTY, if non-standard.])
3788 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
3789 end of a PTY, if non-standard.])
3793 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
3794 dnl You allocate a pty by opening /dev/ptc to get the master side.
3795 dnl To get the name of the slave side, you just ttyname() the master side.
3796 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
3797 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
3801 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3802 dnl multi-line AC_DEFINEs are hard. :(
3803 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)])
3804 AC_DEFINE(PTY_NAME_SPRINTF, [])
3805 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3808 dnl FIXME? Maybe use same as freebsd - see bug#12040.
3810 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3811 dnl Not used, because PTY_ITERATION is defined.
3812 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3813 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
3814 dnl But we don't have to block SIGCHLD because it is blocked in the
3815 dnl implementation of grantpt.
3816 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
3817 AC_DEFINE(PTY_NAME_SPRINTF, [])
3818 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3822 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3825 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
3827 if test "x$ac_cv_func_grantpt" = xyes; then
3828 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
3829 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3830 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
3831 dnl to prevent sigchld_handler from intercepting the child's death.
3832 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) { close (fd); return -1; } snprintf (pty_name, sizeof pty_name, "%s", ptyname); }])
3833 dnl if HAVE_POSIX_OPENPT
3834 if test "x$ac_cv_func_posix_openpt" = xyes; then
3835 AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
3836 AC_DEFINE(PTY_NAME_SPRINTF, [])
3838 elif test "x$ac_cv_func_getpt" = xyes; then
3839 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
3840 AC_DEFINE(PTY_NAME_SPRINTF, [])
3842 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3845 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3850 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3851 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
3852 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
3856 dnl It looks like this cannot be right, because it is not a loop.
3857 dnl However, process.c actually does this:
3863 dnl which presumably makes it OK, since irix == sgi (?).
3864 dnl FIXME it seems like this special treatment is unnecessary?
3865 dnl Why can't irix use a single-trip loop like eg cygwin?
3866 AC_DEFINE(PTY_ITERATION, [])
3867 dnl Not used, because PTY_ITERATION is defined.
3868 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
3869 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); }])
3870 dnl No need to get the pty name at all.
3871 AC_DEFINE(PTY_NAME_SPRINTF, [])
3872 dnl No need to use sprintf to get the tty name--we get that from _getpty.
3873 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3877 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
3878 dnl from intercepting that death. If any child but grantpt's should die
3879 dnl within, it should be caught after sigrelse(2).
3880 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, sizeof pty_name, "%s", ptyname); }])
3884 dnl Comments are as per sol2*.
3885 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, sizeof pty_name, "%s", ptyname); }])
3892 dnl This change means that we don't loop through allocate_pty too
3893 dnl many times in the (rare) event of a failure.
3894 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
3895 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3896 dnl Push various streams modules onto a PTY channel. Used in process.c.
3897 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.])
3902 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
3903 "typing" a signal character on the pty.])
3906 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
3907 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
3908 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
3909 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3912 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
3913 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
3914 gnu-linux | gnu-kfreebsd )
3916 AC_MSG_CHECKING([for signals via characters])
3917 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3918 #include <linux/version.h>
3919 #if LINUX_VERSION_CODE < 0x20400
3920 # error "Linux version too old"
3922 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
3924 AC_MSG_RESULT([$emacs_signals_via_chars])
3925 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3930 dnl Used in lisp.h, emacs.c, vm-limit.c
3931 dnl NEWS.18 describes this as "a number which contains
3932 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
3933 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
3934 stored in a Lisp_Object.])
3935 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
3939 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
3940 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
3943 dnl The data segment on this machine always starts at address 0x40000000.
3944 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
3947 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
3952 AH_TEMPLATE(TAB3, [Undocumented.])
3955 darwin) AC_DEFINE(TAB3, OXTABS) ;;
3957 gnu | dragonfly | freebsd | netbsd | openbsd )
3958 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
3959 AC_DEFINE(TAB3, OXTABS)
3962 gnu-linux | gnu-kfreebsd )
3963 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3967 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
3968 [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)],
3969 [Mark a secondary stack, like the register stack on the ia64.]), [])
3973 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
3974 run_time_remap; for HPUX.])
3979 dnl This won't be used automatically yet. We also need to know, at least,
3980 dnl that the stack is continuous.
3981 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
3982 registers relevant for conservative garbage collection in the jmp_buf.])
3986 dnl Not all the architectures are tested, but there are Debian packages
3987 dnl for SCM and/or Guile on them, so the technique must work. See also
3988 dnl comments in alloc.c concerning setjmp and gcc.
3989 dnl Fixme: it's probably safe to just use the GCC conditional below.
3990 gnu-linux | gnu-kfreebsd )
3991 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3992 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
3993 || defined __alpha__ || defined __mips__ || defined __s390__ \
3994 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
3995 || defined __ia64__ || defined __sh__
3998 # error "setjmp not known to work on this arch"
4000 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4005 if test x$GCC = xyes; then
4006 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4007 AC_DEFINE(GC_SETJMP_WORKS, 1)
4010 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4011 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4012 AC_DEFINE(GC_SETJMP_WORKS, 1)
4017 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4018 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4021 [[#include <setjmp.h>
4023 # define _longjmp longjmp
4028 _longjmp (j, 1);]])],
4029 [emacs_cv_func__setjmp=yes],
4030 [emacs_cv_func__setjmp=no])])
4031 if test $emacs_cv_func__setjmp = yes; then
4032 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4034 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4037 [[#include <setjmp.h>
4040 if (! sigsetjmp (j, 1))
4041 siglongjmp (j, 1);]])],
4042 [emacs_cv_func_sigsetjmp=yes],
4043 [emacs_cv_func_sigsetjmp=no])])
4044 if test $emacs_cv_func_sigsetjmp = yes; then
4045 AC_DEFINE([HAVE_SIGSETJMP], 1,
4046 [Define to 1 if sigsetjmp and siglongjmp work.
4047 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4053 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4054 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4055 dnl and this is all we need.
4056 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4063 dnl Used in xfaces.c.
4064 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4065 some systems, where it requires time.h.])
4070 dnl Define symbols to identify the version of Unix this is.
4071 dnl Define all the symbols that apply correctly.
4072 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4073 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4074 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4075 AH_TEMPLATE(USG5, [Define if the system is compatible with System V.])
4076 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4082 dnl This symbol should be defined on AIX Version 3 ???????
4083 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4085 # error "_AIX not defined"
4087 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4091 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4095 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4096 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4097 dnl distinguish OS X from pure Darwin.
4098 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4101 gnu-linux | gnu-kfreebsd )
4103 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4109 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4115 AC_DEFINE(USG5_4, [])
4116 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4120 AC_DEFINE(DOS_NT, [])
4121 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4122 if test "x$ac_enable_checking" != "x" ; then
4123 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4130 AC_DEFINE(USG5_4, [])
4131 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4137 AC_DEFINE(USG5_4, [])
4141 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4144 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4145 emacs_cv_usable_FIONREAD=no
4149 emacs_cv_usable_FIONREAD=yes
4154 [AC_LANG_PROGRAM([[#include <sys/types.h>
4155 #include <sys/ioctl.h>
4157 # include <sys/filio.h>
4160 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4161 [emacs_cv_usable_FIONREAD=yes],
4162 [emacs_cv_usable_FIONREAD=no])
4165 if test $emacs_cv_usable_FIONREAD = yes; then
4166 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4168 if test $emacs_broken_SIGIO = no; then
4169 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4171 [AC_LANG_PROGRAM([[#include <fcntl.h>
4174 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4175 [emacs_cv_usable_SIGIO=yes],
4176 [emacs_cv_usable_SIGIO=no])],
4177 [emacs_cv_usable_SIGIO=yes],
4178 [emacs_cv_usable_SIGIO=no])
4179 if test $emacs_cv_usable_SIGIO = yes; then
4180 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4187 dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls
4188 dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
4189 dnl As malloc is not the Cygwin malloc, the Cygwin memalign always
4190 dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
4192 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4193 G_SLICE environment variable to "always-malloc" at startup, if
4198 dnl It works to open the pty's tty in the parent (Emacs), then
4199 dnl close and reopen it in the child.
4200 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4201 works to open a pty's tty in the parent process, then close and
4202 reopen it in the child.])
4206 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4207 use VSUSP instead of VSWTCH.])
4211 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4216 # Set up the CFLAGS for real compilation, so we can substitute it.
4217 CFLAGS="$REAL_CFLAGS"
4218 CPPFLAGS="$REAL_CPPFLAGS"
4220 ## Hack to detect a buggy GCC version.
4221 if test "x$GCC" = xyes \
4222 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4223 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4224 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4225 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4228 version=$PACKAGE_VERSION
4230 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4231 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4232 [Short copyright string for this version of Emacs.])
4235 ### Specify what sort of things we'll be editing into Makefile and config.h.
4236 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4238 AC_SUBST(configuration)
4243 AC_SUBST(exec_prefix)
4246 AC_SUBST(sharedstatedir)
4247 AC_SUBST(libexecdir)
4252 AC_SUBST(standardlisppath)
4253 AC_SUBST(locallisppath)
4255 AC_SUBST(x_default_search_path)
4257 AC_SUBST(archlibdir)
4262 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4263 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4264 ## end of LIBX_BASE, but nothing ever set it.
4265 AC_SUBST(LD_SWITCH_X_SITE)
4266 AC_SUBST(C_SWITCH_X_SITE)
4267 AC_SUBST(GNUSTEP_CFLAGS)
4269 ## Used in lwlib/Makefile.in.
4270 AC_SUBST(X_TOOLKIT_TYPE)
4272 AC_SUBST(ns_appbindir)
4273 AC_SUBST(ns_appresdir)
4275 AC_SUBST(GNU_OBJC_CFLAGS)
4276 AC_SUBST(OTHER_FILES)
4278 if test -n "${term_header}"; then
4279 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4280 [Define to the header for the built-in window system.])
4283 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4284 [Define to the canonical Emacs configuration name.])
4285 dnl Replace any embedded " characters (bug#13274).
4286 emacs_config_options=`echo "$emacs_config_options " | sed -e 's/--no-create //' -e 's/--no-recursion //' -e 's/ *$//' -e "s/\"/'/g"`
4287 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4288 [Define to the options passed to configure.])
4289 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4290 define this to include extra configuration information.])
4294 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4301 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4302 AC_DEFINE(HAVE_X_WINDOWS, 1,
4303 [Define to 1 if you want to use the X window system.])
4305 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
4307 if test "$HAVE_XFT" = "yes"; then
4308 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4309 elif test "$HAVE_FREETYPE" = "yes"; then
4310 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4320 if test "${USE_X_TOOLKIT}" != "none" ; then
4322 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4323 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4324 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4325 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4326 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4330 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4331 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4335 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4336 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4337 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4341 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4342 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4345 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4348 AC_SUBST(WIDGET_OBJ)
4351 case "$USE_X_TOOLKIT" in
4352 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4353 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4354 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4356 AC_SUBST(TOOLKIT_LIBW)
4358 if test "${opsys}" != "mingw32"; then
4359 if test "$USE_X_TOOLKIT" = "none"; then
4360 LIBXT_OTHER="\$(LIBXSM)"
4361 OLDXMENU_TARGET="really-oldXMenu"
4363 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4364 OLDXMENU_TARGET="really-lwlib"
4367 AC_SUBST(LIBXT_OTHER)
4369 ## The X Menu stuff is present in the X10 distribution, but missing
4370 ## from X11. If we have X10, just use the installed library;
4371 ## otherwise, use our own copy.
4372 if test "${HAVE_X11}" = "yes" ; then
4373 AC_DEFINE(HAVE_X11, 1,
4374 [Define to 1 if you want to use version 11 of X windows.
4375 Otherwise, Emacs expects to use version 10.])
4377 if test "$USE_X_TOOLKIT" = "none"; then
4378 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4380 OLDXMENU="\${lwlibdir}/liblw.a"
4382 LIBXMENU="\$(OLDXMENU)"
4383 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4384 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4386 ## For a syntactically valid Makefile; not actually used for anything.
4387 ## See comments in src/Makefile.in.
4389 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4390 if test "${HAVE_X_WINDOWS}" = "yes"; then
4399 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4406 AC_SUBST(OLDXMENU_TARGET)
4409 AC_SUBST(LIBX_OTHER)
4410 AC_SUBST(OLDXMENU_DEPS)
4412 if test "${HAVE_MENUS}" = "yes" ; then
4413 AC_DEFINE(HAVE_MENUS, 1,
4414 [Define to 1 if you have mouse menus.
4415 (This is automatic if you use X, but the option to specify it remains.)
4416 It is also defined with other window systems that support xmenu.c.])
4419 if test "${GNU_MALLOC}" = "yes" ; then
4420 AC_DEFINE(GNU_MALLOC, 1,
4421 [Define to 1 if you want to use the GNU memory allocator.])
4425 if test "${REL_ALLOC}" = "yes" ; then
4426 AC_DEFINE(REL_ALLOC, 1,
4427 [Define REL_ALLOC if you want to use the relocating allocator for
4430 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4432 AC_SUBST(RALLOC_OBJ)
4434 if test "$opsys" = "cygwin"; then
4435 CYGWIN_OBJ="sheap.o cygw32.o"
4436 ## Cygwin differs because of its unexec().
4438 POST_ALLOC_OBJ=lastfile.o
4439 elif test "$opsys" = "mingw32"; then
4442 POST_ALLOC_OBJ=lastfile.o
4445 PRE_ALLOC_OBJ=lastfile.o
4448 AC_SUBST(CYGWIN_OBJ)
4449 AC_SUBST(PRE_ALLOC_OBJ)
4450 AC_SUBST(POST_ALLOC_OBJ)
4452 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4453 # it temporarily reverts them to their pre-pkg-config values,
4454 # because gnulib needs to work with both src (which uses the
4455 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4456 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4457 # and it therefore needs to run in an environment where LIBS does not
4458 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4459 # for some package unrelated to lib-src.
4462 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4463 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4464 gl_ASSERT_NO_GNULIB_POSIXCHECK
4465 gl_ASSERT_NO_GNULIB_TESTS
4470 if test "${opsys}" = "mingw32"; then
4471 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I $srcdir/nt/inc"
4472 # Remove unneeded switches from the value of CC that goes to Makefiles
4473 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4477 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4480 ## The -headerpad option tells ld (see man page) to leave room at the
4481 ## end of the header for adding load commands. Needed for dumping.
4482 ## 0x690 is the total size of 30 segment load commands (at 56
4483 ## each); under Cocoa 31 commands are required.
4484 if test "$HAVE_NS" = "yes"; then
4485 libs_nsgui="-framework AppKit"
4491 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4493 ## This is here because src/Makefile.in did some extra fiddling around
4494 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4495 ## LD_SWITCH_SYSTEM_TEMACS instead,
4496 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4497 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4500 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4501 ## find X at run-time.
4502 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4503 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4504 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4505 ## had different values in configure (in ac_link) and src/Makefile.in.
4506 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4507 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4510 case "$canonical" in
4511 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4512 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4516 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4519 if test x$ac_enable_profiling != x ; then
4521 *freebsd | gnu-linux) ;;
4522 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4526 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4528 ## MinGW-specific post-link processing of temacs.
4529 TEMACS_POST_LINK=":"
4532 if test "${opsys}" = "mingw32"; then
4533 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4534 ADDSECTION="../nt/addsection\$(EXEEXT)"
4535 ## Preload heap size of temacs.exe in MB.
4536 case "$canonical" in
4537 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4538 *) EMACS_HEAPSIZE=27 ;;
4542 AC_SUBST(ADDSECTION)
4543 AC_SUBST(TEMACS_POST_LINK)
4544 AC_SUBST(EMACS_HEAPSIZE)
4546 ## Common for all window systems
4547 if test "$window_system" != "none"; then
4548 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4549 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4552 AC_SUBST(WINDOW_SYSTEM_OBJ)
4554 AH_TOP([/* GNU Emacs site configuration template file.
4556 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4557 Free Software Foundation, Inc.
4559 This file is part of GNU Emacs.
4561 GNU Emacs is free software: you can redistribute it and/or modify
4562 it under the terms of the GNU General Public License as published by
4563 the Free Software Foundation, either version 3 of the License, or
4564 (at your option) any later version.
4566 GNU Emacs is distributed in the hope that it will be useful,
4567 but WITHOUT ANY WARRANTY; without even the implied warranty of
4568 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4569 GNU General Public License for more details.
4571 You should have received a copy of the GNU General Public License
4572 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4575 /* No code in Emacs #includes config.h twice, but some bits of code
4576 intended to work with other packages as well (like gmalloc.c)
4577 think they can include it as many times as they like. */
4578 #ifndef EMACS_CONFIG_H
4579 #define EMACS_CONFIG_H
4582 AH_BOTTOM([#include <conf_post.h>
4584 #endif /* EMACS_CONFIG_H */
4593 #### Report on what we decided to do.
4594 #### Report GTK as a toolkit, even if it doesn't use Xt.
4595 #### It makes printing result more understandable as using GTK sets
4596 #### toolkit_scroll_bars to yes by default.
4597 if test "${HAVE_GTK}" = "yes"; then
4598 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4602 Configured for \`${canonical}'.
4604 Where should the build process find the source code? ${srcdir}
4605 What compiler should emacs be built with? ${CC} ${CFLAGS}
4606 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4607 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4608 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4609 What window system should Emacs use? ${window_system}
4610 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4612 if test -n "${x_includes}"; then
4613 echo " Where do we find X Windows header files? ${x_includes}"
4615 echo " Where do we find X Windows header files? Standard dirs"
4617 if test -n "${x_libraries}"; then
4618 echo " Where do we find X Windows libraries? ${x_libraries}"
4620 echo " Where do we find X Windows libraries? Standard dirs"
4623 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4624 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4625 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4626 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4627 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4628 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4629 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4630 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4632 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4633 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4634 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4635 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4636 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4637 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4638 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4640 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4641 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4642 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4643 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4645 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4648 if test -n "${EMACSDATA}"; then
4649 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4651 if test -n "${EMACSDOC}"; then
4652 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4657 if test "$HAVE_NS" = "yes"; then
4659 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4660 The installed application will go to nextstep/Emacs.app and can be
4661 run or moved from there."
4662 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4663 echo "The application will be fully self-contained."
4665 echo "The lisp resources for the application will be installed under ${prefix}.
4666 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4667 to run if these resources are not installed."
4672 if test "${opsys}" = "cygwin"; then
4674 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4680 # Remove any trailing slashes in these variables.
4681 [test "${prefix}" != NONE &&
4682 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4683 test "${exec_prefix}" != NONE &&
4684 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4686 if test "$HAVE_NS" = "yes"; then
4687 if test "$NS_IMPL_GNUSTEP" = yes; then
4688 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4689 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4691 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4692 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4696 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4697 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4698 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4699 dnl (else you get "no `Makefile.am' found for any configure output").
4700 dnl This will work, but you get a config.status that is not quite right
4701 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4702 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4703 dnl it seems better to just live with the duplication.
4704 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
4706 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4707 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4708 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4709 leim/Makefile nextstep/Makefile nt/Makefile])
4711 dnl test/ is not present in release tarfiles.
4712 opt_makefile=test/automated/Makefile
4714 if test -f "$srcdir/$opt_makefile.in"; then
4715 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4716 dnl Again, it's best not to use a variable. Though you can add
4717 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4718 AC_CONFIG_FILES([test/automated/Makefile])
4722 dnl admin/ may or may not be present.
4723 opt_makefile=admin/unidata/Makefile
4725 if test -f "$srcdir/$opt_makefile.in"; then
4726 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4727 AC_CONFIG_FILES([admin/unidata/Makefile])
4731 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4733 AC_SUBST(SUBDIR_MAKEFILES_IN)
4735 dnl Make the necessary directories, if they don't exist.
4736 AC_CONFIG_COMMANDS([mkdirs], [
4737 for dir in etc lisp ; do
4738 test -d ${dir} || mkdir ${dir}
4742 dnl You might wonder (I did) why epaths.h is generated by running make,
4743 dnl rather than just letting configure generate it from epaths.in.
4744 dnl One reason is that the various paths are not fully expanded (see above);
4745 dnl eg gamedir=${prefix}/var/games/emacs.
4746 dnl Secondly, the GNU Coding standards require that one should be able
4747 dnl to run `make prefix=/some/where/else' and override the values set
4748 dnl by configure. This also explains the `move-if-change' test and
4749 dnl the use of force in the `epaths-force' rule in Makefile.in.
4750 AC_CONFIG_COMMANDS([epaths], [
4751 echo creating src/epaths.h
4752 if test "${opsys}" = "mingw32"; then
4753 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
4755 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4757 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
4759 AC_CONFIG_COMMANDS([gdbinit], [
4760 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
4761 echo creating src/.gdbinit
4762 echo "source $srcdir/src/.gdbinit" > src/.gdbinit