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 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
627 # if -g3 works and the user does not specify CFLAGS.
628 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
629 if test "$ac_test_CFLAGS" != set; then
632 emacs_g3_CFLAGS='-g3';;
634 emacs_g3_CFLAGS='-g3 -O2';;
638 if test -n "$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_g3_CFLAGS
649 CFLAGS=$emacs_save_CFLAGS
651 if test $opsys = mingw32; then
652 CFLAGS="$CFLAGS -gdwarf-2"
657 AC_ARG_ENABLE([gcc-warnings],
658 [AS_HELP_STRING([--enable-gcc-warnings],
659 [turn on lots of GCC warnings/errors. This is intended for
660 developers, and may generate false alarms when used
661 with older or non-GNU development tools.])],
664 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
666 gl_gcc_warnings=$enableval],
670 AC_ARG_ENABLE(link-time-optimization,
671 [AS_HELP_STRING([--enable-link-time-optimization],
672 [build emacs with link-time optimization.
673 This is supported only for GCC since 4.5.0.])],
674 if test "${enableval}" != "no"; then
675 AC_MSG_CHECKING([whether link-time optimization is supported])
677 if test x$GCC = xyes; then
678 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
679 if test x$CPUS != x; then
685 CFLAGS="$CFLAGS $LTO"
686 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
687 [ac_lto_supported=yes], [ac_lto_supported=no])
690 AC_MSG_RESULT([$ac_lto_supported])
691 if test "$ac_lto_supported" = "yes"; then
692 CFLAGS="$CFLAGS $LTO"
696 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
697 # ------------------------------------------------
698 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
699 # Otherwise, run RUN-IF-NOT-FOUND.
700 AC_DEFUN([gl_GCC_VERSION_IFELSE],
704 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
707 # error "your version of gcc is older than $1.$2"
714 # When compiling with GCC, prefer -isystem to -I when including system
715 # include files, to avoid generating useless diagnostics for the files.
716 if test "$gl_gcc_warnings" != yes; then
721 # This, $nw, is the list of warnings we disable.
724 case $with_x_toolkit in
725 lucid | athena | motif)
726 # Old toolkits mishandle 'const'.
727 nw="$nw -Wwrite-strings"
730 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
733 AC_SUBST([WERROR_CFLAGS])
735 nw="$nw -Waggregate-return" # anachronistic
736 nw="$nw -Wlong-long" # C90 is anachronistic
737 nw="$nw -Wc++-compat" # We don't care about C++ compilers
738 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
739 nw="$nw -Wtraditional" # Warns on #elif which we use often
740 nw="$nw -Wcast-qual" # Too many warnings for now
741 nw="$nw -Wconversion" # Too many warnings for now
742 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
743 nw="$nw -Wsign-conversion" # Too many warnings for now
744 nw="$nw -Woverlength-strings" # Not a problem these days
745 nw="$nw -Wtraditional-conversion" # Too many warnings for now
746 nw="$nw -Wunreachable-code" # so buggy that it's now silently ignored
747 nw="$nw -Wpadded" # Our structs are not padded
748 nw="$nw -Wredundant-decls" # we regularly (re)declare functions
749 nw="$nw -Wlogical-op" # any use of fwrite provokes this
750 nw="$nw -Wformat-nonliteral" # we do this a lot
751 nw="$nw -Wvla" # warnings in gettext.h
752 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
753 nw="$nw -Wswitch-enum" # Too many warnings for now
754 nw="$nw -Wswitch-default" # Too many warnings for now
755 nw="$nw -Wfloat-equal" # warns about high-quality code
756 nw="$nw -Winline" # OK to ignore 'inline'
757 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
758 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
759 # signed overflow has undefined behavior
760 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
761 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
763 # Emacs doesn't care about shadowing; see
764 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
767 # Emacs's use of alloca inhibits protecting the stack.
768 nw="$nw -Wstack-protector"
770 # The following line should be removable at some point.
771 nw="$nw -Wsuggest-attribute=pure"
773 gl_MANYWARN_ALL_GCC([ws])
774 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
778 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
779 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
780 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
781 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
782 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
783 gl_WARN_ADD([-Wno-format-nonliteral])
785 # In spite of excluding -Wlogical-op above, it is enabled, as of
786 # gcc 4.5.0 20090517.
787 gl_WARN_ADD([-Wno-logical-op])
789 gl_WARN_ADD([-fdiagnostics-show-option])
790 gl_WARN_ADD([-funit-at-a-time])
792 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
793 AH_VERBATIM([FORTIFY_SOURCE],
794 [/* Enable compile-time and run-time bounds-checking, and some warnings,
795 without upsetting glibc 2.15+. */
796 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
797 # define _FORTIFY_SOURCE 2
800 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
802 # We use a slightly smaller set of warning options for lib/.
803 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
805 nw="$nw -Wunused-macros"
807 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
808 AC_SUBST([GNULIB_WARN_CFLAGS])
813 dnl Some other nice autoconf tests.
814 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
817 dnl if test "x$RANLIB" = x; then
822 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
823 dnl can be made to directories. This is not relevant for our usage, and
824 dnl excludes some cases that work fine for us. Eg MS Windows or files
825 dnl hosted on AFS, both examples where simple links work, but links to
826 dnl directories fail. We use a cut-down version instead.
829 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
830 rm -f conf$$ conf$$.file
832 LN_S_FILEONLY='cp -p'
834 if (echo >conf$$.file) 2>/dev/null; then
835 if ln -s conf$$.file conf$$ 2>/dev/null; then
836 LN_S_FILEONLY='ln -s'
837 elif ln conf$$.file conf$$ 2>/dev/null; then
842 rm -f conf$$ conf$$.file
844 if test "$LN_S_FILEONLY" = "ln -s"; then
847 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
850 AC_SUBST(LN_S_FILEONLY)
853 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
854 dnl doesn't support links to directories, as in "ln file dir". But that
855 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
856 dnl executables at "make install" time.
857 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
858 dnl for more details.
859 if test "$opsys" = "mingw32"; then
863 AC_PATH_PROG(INSTALL_INFO, install-info, :,
864 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
865 dnl Don't use GZIP, which is used by gzip for additional parameters.
866 AC_PATH_PROG(GZIP_PROG, gzip)
868 if test $opsys = gnu-linux; then
869 AC_PATH_PROG(PAXCTL, paxctl,,
870 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
871 if test "X$PAXCTL" != X; then
872 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
873 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
874 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
875 else AC_MSG_RESULT(no); PAXCTL=""; fi])
879 ## Need makeinfo >= 4.7 (?) to build the manuals.
880 AC_PATH_PROG(MAKEINFO, makeinfo, no)
881 dnl By this stage, configure has already checked for egrep and set EGREP,
882 dnl or exited with an error if no egrep was found.
883 if test "$MAKEINFO" != "no"; then
885 $MAKEINFO --version 2> /dev/null |
886 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
892 ## Makeinfo is unusual. For a released Emacs, the manuals are
893 ## pre-built, and not deleted by the normal clean rules. makeinfo is
894 ## therefore in the category of "special tools" not normally required, which
895 ## configure does not have to check for (eg autoconf itself).
896 ## In a Bazaar checkout on the other hand, the manuals are not included.
897 ## So makeinfo is a requirement to build from Bazaar, and configure
898 ## should test for it as it does for any other build requirement.
899 ## We use the presence of $srcdir/info/emacs to distinguish a release,
900 ## with pre-built manuals, from a Bazaar checkout.
903 if test "$MAKEINFO" = "no"; then
905 if test "x${with_makeinfo}" = "xno"; then
907 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
908 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
909 source tree does not seem to have pre-built manuals in the `info' directory.
910 Either install a suitable version of makeinfo, or re-run configure
911 with the `--without-makeinfo' option to build without the manuals.] )
914 AC_SUBST(HAVE_MAKEINFO)
916 dnl Just so that there is only a single place we need to edit.
922 dnl Add our options to ac_link now, after it is set up.
924 if test x$GCC = xyes; then
925 test "x$GCC_LINK_TEST_OPTIONS" != x && \
926 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
928 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
929 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
932 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
933 dnl If we can link with the flag, it shouldn't do any harm anyhow.
934 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
935 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
936 dnl if not built to support GNU ld.
938 late_LDFLAGS=$LDFLAGS
939 if test x$GCC = xyes; then
940 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
942 LDFLAGS="$LDFLAGS -znocombreloc"
945 AC_MSG_CHECKING([for -znocombreloc])
946 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
947 [AC_MSG_RESULT(yes)],
948 LDFLAGS=$late_LDFLAGS
952 dnl The function dump-emacs will not be defined and temacs will do
953 dnl (load "loadup") automatically unless told otherwise.
954 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
956 your-opsys-here) CANNOT_DUMP=yes ;;
959 test "$CANNOT_DUMP" = "yes" && \
960 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
962 AC_SUBST(CANNOT_DUMP)
967 # MSDOS uses unexcoff.o
975 UNEXEC_OBJ=unexmacosx.o
978 UNEXEC_OBJ=unexhp9k800.o
984 # Use the Solaris dldump() function, called from unexsol.c, to dump
985 # emacs, instead of the generic ELF dump code found in unexelf.c.
986 # The resulting binary has a complete symbol table, and is better
987 # for debugging and other observability tools (debuggers, pstack, etc).
989 # If you encounter a problem using dldump(), please consider sending
990 # a message to the OpenSolaris tools-linking mailing list:
991 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
993 # It is likely that dldump() works with older Solaris too, but this has
994 # not been tested, so for now this change is for Solaris 10 or newer.
1002 ## Let `ld' find image libs and similar things in /usr/local/lib.
1003 ## The system compiler, GCC, has apparently been modified to not
1004 ## look there, contrary to what a stock GCC would do.
1005 ### It's not our place to do this. See bug#10313#17.
1006 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1011 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1012 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1016 ### It's not our place to do this. See bug#10313#17.
1017 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1022 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
1023 ## otherwise Emacs dumps core on elf systems.
1024 LD_SWITCH_SYSTEM="-Z"
1027 AC_SUBST(LD_SWITCH_SYSTEM)
1029 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1031 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1032 ## which has not been defined yet. When this was handled with cpp,
1033 ## it was expanded to null when configure sourced the s/*.h file.
1034 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1035 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1036 ## (or somesuch), but because it is supposed to go at the _front_
1037 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1038 ## Compare with the gnu-linux case below, which added to the end
1039 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1040 ## LD_SWITCH_SYSTEM_TEMACS.
1043 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1050 AC_CHECK_DECL([__ELF__])
1051 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1052 ## With ELF, make sure that all common symbols get allocated to in the
1053 ## data section. Otherwise, the dump of temacs may miss variables in
1054 ## the shared library that have been initialized. For example, with
1055 ## GNU libc, __malloc_initialized would normally be resolved to the
1056 ## shared library's .bss section, which is fatal.
1057 if test "x$GCC" = "xyes"; then
1058 C_SWITCH_MACHINE="-fno-common"
1060 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
1063 UNEXEC_OBJ=unexalpha.o
1067 AC_SUBST(C_SWITCH_MACHINE)
1069 AC_SUBST(UNEXEC_OBJ)
1072 ## Some programs in src produce warnings saying certain subprograms
1073 ## are too complex and need a MAXMEM value greater than 2000 for
1074 ## additional optimization. --nils@exp-math.uni-essen.de
1075 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1076 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1077 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1078 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1079 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1080 AC_SUBST(C_SWITCH_SYSTEM)
1085 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1086 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1088 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1090 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1092 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1094 ## Motif needs -lgen.
1095 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1098 AC_SUBST(LIBS_SYSTEM)
1100 ### Make sure subsequent tests use flags consistent with the build flags.
1102 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1103 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1105 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1108 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1109 AC_DEFUN([AC_TYPE_SIZE_T])
1110 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1111 AC_DEFUN([AC_TYPE_UID_T])
1115 dnl Current possibilities handled by sed (aix4-2 -> aix,
1116 dnl gnu-linux -> gnu/linux, etc.):
1117 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1118 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1119 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1126 ## Adding -lm confuses the dynamic linker, so omit it.
1129 freebsd | dragonfly )
1130 SYSTEM_TYPE=berkeley-unix
1132 gnu-linux | gnu-kfreebsd )
1134 hpux10-20 | hpux11 )
1138 SYSTEM_TYPE=windows-nt
1140 dnl NB this may be adjusted below.
1142 SYSTEM_TYPE=berkeley-unix
1146 SYSTEM_TYPE=usg-unix-v
1152 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1153 [The type of system you are compiling for; sets `system-type'.])
1156 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1157 pre_PKG_CONFIG_LIBS=$LIBS
1159 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1161 dnl This function definition taken from Gnome 2.0
1162 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1163 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1164 dnl also defines GSTUFF_PKG_ERRORS on error
1165 AC_DEFUN([PKG_CHECK_MODULES], [
1168 if test "$PKG_CONFIG" = "no" ; then
1169 ifelse([$4], , [AC_MSG_ERROR([
1170 *** 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])
1172 PKG_CONFIG_MIN_VERSION=0.9.0
1173 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1174 AC_MSG_CHECKING(for $2)
1176 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1177 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1178 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1185 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1186 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1187 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1193 ## If we have a custom action on failure, don't print errors, but
1194 ## do set a variable so people can do so. Do it in a subshell
1195 ## to capture any diagnostics in invoking pkg-config.
1196 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1197 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1203 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1204 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1208 if test $succeeded = yes; then
1209 ifelse([$3], , :, [$3])
1211 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.])], [$4])
1215 if test "${with_sound}" != "no"; then
1216 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1217 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h,
1218 have_sound_header=yes, [], [
1220 #define WIN32_LEAN_AND_MEAN
1221 #include <windows.h>
1224 # Emulation library used on NetBSD.
1225 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1229 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1230 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1231 if test $HAVE_ALSA = yes; then
1232 SAVE_CFLAGS="$CFLAGS"
1234 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1235 LIBS="$ALSA_LIBS $LIBS"
1236 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1237 emacs_alsa_normal=yes,
1238 emacs_alsa_normal=no)
1239 if test "$emacs_alsa_normal" != yes; then
1240 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1241 [[snd_lib_error_set_handler (0);]])],
1242 emacs_alsa_subdir=yes,
1243 emacs_alsa_subdir=no)
1244 if test "$emacs_alsa_subdir" != yes; then
1245 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1247 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1250 CFLAGS="$SAVE_CFLAGS"
1252 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1253 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1254 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1257 dnl Define HAVE_SOUND if we have sound support. We know it works and
1258 dnl compiles only on the specified platforms. For others, it
1259 dnl probably doesn't make sense to try.
1260 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1262 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1263 gnu-linux|freebsd|netbsd|mingw32)
1264 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1269 AC_SUBST(CFLAGS_SOUND)
1272 dnl checks for header files
1273 AC_CHECK_HEADERS_ONCE(
1274 linux/version.h sys/systeminfo.h
1277 sys/utsname.h pwd.h utmp.h util.h)
1279 AC_MSG_CHECKING(if personality LINUX32 can be set)
1280 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1281 emacs_cv_personality_linux32=yes,
1282 emacs_cv_personality_linux32=no)
1283 AC_MSG_RESULT($emacs_cv_personality_linux32)
1285 if test $emacs_cv_personality_linux32 = yes; then
1286 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1287 [Define to 1 if personality LINUX32 can be set.])
1290 dnl On Solaris 8 there's a compilation warning for term.h because
1291 dnl it doesn't define `bool'.
1292 AC_CHECK_HEADERS(term.h, , , -)
1294 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1296 if test $ac_cv_have_decl_sys_siglist != yes; then
1297 # For Tru64, at least:
1298 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1300 if test $ac_cv_have_decl___sys_siglist = yes; then
1301 AC_DEFINE(sys_siglist, __sys_siglist,
1302 [Define to any substitute for sys_siglist.])
1307 dnl Check for speed_t typedef.
1308 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1309 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1310 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1311 if test $emacs_cv_speed_t = yes; then
1312 AC_DEFINE(HAVE_SPEED_T, 1,
1313 [Define to 1 if `speed_t' is declared by <termios.h>.])
1316 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1317 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1318 #if HAVE_SYS_SOCKET_H
1319 #include <sys/socket.h>
1321 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1322 #if HAVE_SYS_SOCKET_H
1323 #include <sys/socket.h>
1325 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1326 #if HAVE_SYS_SOCKET_H
1327 #include <sys/socket.h>
1330 dnl checks for structure members
1331 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1332 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1333 struct ifreq.ifr_addr,
1334 struct ifreq.ifr_addr.sa_len], , ,
1335 [AC_INCLUDES_DEFAULT
1336 #if HAVE_SYS_SOCKET_H
1337 #include <sys/socket.h>
1343 dnl Check for endianness.
1344 dnl AC_C_BIGENDIAN is done by gnulib.
1346 dnl check for Make feature
1347 dnl AC_PROG_MAKE_SET is done by Automake.
1352 dnl check for GNU Make if we have GCC and autodepend is on.
1353 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1354 AC_MSG_CHECKING([whether we are using GNU Make])
1356 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1357 if test "x$testval" != x; then
1360 ac_enable_autodepend=no
1362 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1363 if test $HAVE_GNU_MAKE = yes; then
1364 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1365 SAVE_CFLAGS="$CFLAGS"
1366 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1367 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1368 CFLAGS="$SAVE_CFLAGS"
1369 test -f deps.d || ac_enable_autodepend=no
1371 AC_MSG_RESULT([$ac_enable_autodepend])
1373 if test $ac_enable_autodepend = yes; then
1374 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1375 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1376 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1377 deps_frag=autodeps.mk
1380 deps_frag=$srcdir/src/$deps_frag
1383 AC_SUBST_FILE(deps_frag)
1386 lisp_frag=$srcdir/src/lisp.mk
1387 AC_SUBST_FILE(lisp_frag)
1390 dnl checks for operating system services
1391 AC_SYS_LONG_FILE_NAMES
1393 #### Choose a window system.
1395 ## We leave window_system equal to none if
1396 ## we end up building without one. Any new window system should
1397 ## set window_system to an appropriate value and add objects to
1398 ## window-system-specific substs.
1402 if test "$no_x" != yes; then
1406 LD_SWITCH_X_SITE_RPATH=
1407 if test "${x_libraries}" != NONE; then
1408 if test -n "${x_libraries}"; then
1409 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1410 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1412 x_default_search_path=""
1413 x_search_path=${x_libraries}
1414 if test -z "${x_search_path}"; then
1415 x_search_path=/usr/lib
1417 for x_library in `echo ${x_search_path}: | \
1418 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1420 ${x_library}/X11/%L/%T/%N%C%S:\
1421 ${x_library}/X11/%l/%T/%N%C%S:\
1422 ${x_library}/X11/%T/%N%C%S:\
1423 ${x_library}/X11/%L/%T/%N%S:\
1424 ${x_library}/X11/%l/%T/%N%S:\
1425 ${x_library}/X11/%T/%N%S"
1426 if test x"${x_default_search_path}" = x; then
1427 x_default_search_path=${x_search_path}
1429 x_default_search_path="${x_search_path}:${x_default_search_path}"
1433 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1435 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1436 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1439 if test x"${x_includes}" = x; then
1440 bitmapdir=/usr/include/X11/bitmaps
1442 # accumulate include directories that have X11 bitmap subdirectories
1444 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1445 if test -d "${bmd}/X11/bitmaps"; then
1446 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1448 if test -d "${bmd}/bitmaps"; then
1449 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1452 if test ${bmd_acc} != "dummyval"; then
1453 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1460 tmp_CPPFLAGS="$CPPFLAGS"
1461 tmp_CFLAGS="$CFLAGS"
1462 CPPFLAGS="$CPPFLAGS -x objective-c"
1463 CFLAGS="$CFLAGS -x objective-c"
1466 if test "${with_ns}" != no; then
1467 if test "${opsys}" = darwin; then
1469 ns_appdir=`pwd`/nextstep/Emacs.app
1470 ns_appbindir=${ns_appdir}/Contents/MacOS
1471 ns_appresdir=${ns_appdir}/Contents/Resources
1472 ns_appsrc=Cocoa/Emacs.base
1473 elif test -f $GNUSTEP_CONFIG_FILE; then
1475 ns_appdir=`pwd`/nextstep/Emacs.app
1476 ns_appbindir=${ns_appdir}
1477 ns_appresdir=${ns_appdir}/Resources
1478 ns_appsrc=GNUstep/Emacs.base
1479 dnl FIXME sourcing this several times in subshells seems inefficient.
1480 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1481 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1482 dnl I seemed to need these as well with GNUstep-startup 0.25.
1483 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1484 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1485 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1486 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1487 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1488 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1489 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1490 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1491 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1492 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1493 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1494 dnl If they had chosen to either define it or not, we could have
1495 dnl just used AC_CHECK_DECL here.
1496 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1497 emacs_cv_objc_exceptions,
1498 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1499 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1503 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1504 if test $emacs_cv_objc_exceptions = yes; then
1505 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1506 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1507 [Define if GNUstep uses ObjC exceptions.])
1508 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1512 dnl This is only used while we test the NS headers, it gets reset below.
1513 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1515 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1516 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1517 files are missing or cannot be compiled.])])
1519 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1521 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1522 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1525 #error "OSX 10.4 or newer required"
1529 ns_osx_have_104=yes,
1531 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1533 ns_have_nsinteger=yes,
1534 ns_have_nsinteger=no)
1535 if test $ns_osx_have_104 = no; then
1536 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1538 if test $ns_have_nsinteger = yes; then
1539 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1543 AC_SUBST(LIBS_GNUSTEP)
1545 INSTALL_ARCH_INDEP_EXTRA=install-etc
1546 ns_self_contained=no
1549 if test "${HAVE_NS}" = yes; then
1550 if test "$with_toolkit_scroll_bars" = "no"; then
1551 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1554 window_system=nextstep
1555 # set up packaging dirs
1556 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1557 ns_self_contained=yes
1558 prefix=${ns_appresdir}
1559 exec_prefix=${ns_appbindir}
1560 dnl This one isn't really used, only archlibdir is.
1561 libexecdir="\${ns_appbindir}/libexec"
1562 archlibdir="\${ns_appbindir}/libexec"
1563 docdir="\${ns_appresdir}/etc"
1564 etcdir="\${ns_appresdir}/etc"
1565 dnl FIXME maybe set datarootdir instead.
1566 dnl That would also get applications, icons, man.
1567 infodir="\${ns_appresdir}/info"
1568 mandir="\${ns_appresdir}/man"
1569 lispdir="\${ns_appresdir}/lisp"
1570 leimdir="\${ns_appresdir}/leim"
1571 INSTALL_ARCH_INDEP_EXTRA=
1573 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1575 CFLAGS="$tmp_CFLAGS"
1576 CPPFLAGS="$tmp_CPPFLAGS"
1577 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1578 AC_SUBST(ns_self_contained)
1580 AC_SUBST(NS_OBJC_OBJ)
1590 if test "${with_w32}" != no; then
1593 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1594 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1595 cannot be found.])])
1598 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1601 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1606 if test "${opsys}" = "mingw32"; then
1607 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1608 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1609 #include <windows.h>
1610 #include <usp10.h>]],
1611 [[void test(PIMAGE_NT_HEADERS pHeader)
1612 {PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader);}]])],
1613 [emacs_cv_w32api=yes
1616 AC_MSG_RESULT($emacs_cv_w32api)
1617 if test "${emacs_cv_w32api}" = "no"; then
1618 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1629 if test "${HAVE_W32}" = "yes"; then
1630 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1631 AC_CHECK_TOOL(WINDRES, [windres],
1632 [AC_MSG_ERROR([No resource compiler found.])])
1633 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1634 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1635 EMACSRES="emacs.res"
1636 case "$canonical" in
1637 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1638 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1640 if test "${opsys}" = "cygwin"; then
1641 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1642 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1643 # Tell the linker that emacs.res is an object (which we compile from
1644 # the rc file), not a linker script.
1645 W32_RES_LINK="-Wl,emacs.res"
1647 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1648 W32_OBJ="$W32_OBJ w32notify.o"
1649 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1650 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1651 W32_RES_LINK="\$(EMACSRES)"
1652 CLIENTRES="emacsclient.res"
1653 CLIENTW="emacsclientw\$(EXEEXT)"
1654 FIRSTFILE_OBJ=firstfile.o
1657 LIBS_ECLIENT="-lcomctl32"
1658 LIB_WSOCK32="-lwsock32"
1659 NTLIB="ntlib.$ac_objext"
1660 XARGS_LIMIT="-s 10000"
1666 AC_SUBST(EMACS_MANIFEST)
1669 AC_SUBST(W32_RES_LINK)
1670 AC_SUBST(FIRSTFILE_OBJ)
1673 AC_SUBST(LIBS_ECLIENT)
1674 AC_SUBST(LIB_WSOCK32)
1676 AC_SUBST(XARGS_LIMIT)
1678 if test "${HAVE_W32}" = "yes"; then
1683 ## $window_system is now set to the window system we will
1691 case "${window_system}" in
1696 case "${with_x_toolkit}" in
1697 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1698 motif ) USE_X_TOOLKIT=MOTIF ;;
1700 term_header=gtkutil.h
1701 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1702 dnl USE_X_TOOLKIT is set.
1703 USE_X_TOOLKIT=none ;;
1704 gtk2 ) with_gtk2=yes
1705 term_header=gtkutil.h
1706 USE_X_TOOLKIT=none ;;
1707 gtk3 ) with_gtk3=yes
1708 term_header=gtkutil.h
1709 USE_X_TOOLKIT=none ;;
1710 no ) USE_X_TOOLKIT=none ;;
1711 dnl If user did not say whether to use a toolkit, make this decision later:
1712 dnl use the toolkit if we have gtk, or X11R5 or newer.
1713 * ) USE_X_TOOLKIT=maybe ;;
1717 term_header=nsterm.h
1720 term_header=w32term.h
1724 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1725 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1726 if test "$HAVE_XSERVER" = true ||
1727 test -n "$DISPLAY" ||
1728 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1729 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1730 were found. You should install the relevant development files for X
1731 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1732 sure you have development files for image handling, i.e.
1733 tiff, gif, jpeg, png and xpm.
1734 If you are sure you want Emacs compiled without X window support, pass
1740 ### If we're using X11, we should use the X menu package.
1743 yes ) HAVE_MENUS=yes ;;
1746 # Does the opsystem file prohibit the use of the GNU malloc?
1747 # Assume not, until told otherwise.
1751 [whether malloc is Doug Lea style],
1752 [emacs_cv_var_doug_lea_malloc],
1755 [[#include <malloc.h>
1756 static void hook (void) {}]],
1757 [[malloc_set_state (malloc_get_state ());
1758 __after_morecore_hook = hook;
1759 __malloc_initialize_hook = hook;]])],
1760 [emacs_cv_var_doug_lea_malloc=yes],
1761 [emacs_cv_var_doug_lea_malloc=no])])
1762 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1765 dnl See comments in aix4-2.h about maybe using system malloc there.
1768 ## darwin ld insists on the use of malloc routines in the System framework.
1769 darwin|sol2-10) system_malloc=yes ;;
1772 if test "${system_malloc}" = "yes"; then
1773 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1776 (The GNU allocators don't work with this system configuration.)"
1780 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1781 VMLIMIT_OBJ=vm-limit.o
1783 AC_CHECK_HEADERS([sys/vlimit.h])
1784 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1787 [[extern char data_start[]; char ch;]],
1788 [[return data_start < &ch;]])],
1789 [emacs_cv_data_start=yes],
1790 [emacs_cv_data_start=no])])
1791 if test $emacs_cv_data_start = yes; then
1792 AC_DEFINE([HAVE_DATA_START], 1,
1793 [Define to 1 if data_start is the address of the start
1794 of the main data segment.])
1797 AC_SUBST(GMALLOC_OBJ)
1798 AC_SUBST(VMLIMIT_OBJ)
1800 if test "$doug_lea_malloc" = "yes" ; then
1801 if test "$GNU_MALLOC" = yes ; then
1803 (Using Doug Lea's new malloc from the GNU C Library.)"
1805 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1806 [Define to 1 if you are using the GNU C Library.])
1808 ## Use mmap directly for allocating larger buffers.
1809 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1810 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1811 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1813 gnu*) REL_ALLOC=no ;;
1817 if test x"${REL_ALLOC}" = x; then
1818 REL_ALLOC=${GNU_MALLOC}
1821 use_mmap_for_buffers=no
1823 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1827 if test $use_mmap_for_buffers = yes; then
1828 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1832 LIBS="$LIBS_SYSTEM $LIBS"
1834 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1835 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1836 AC_CHECK_LIB(dnet, dnet_ntoa)
1837 dnl This causes -lresolv to get used in subsequent tests,
1838 dnl which causes failures on some systems such as HPUX 9.
1839 dnl AC_CHECK_LIB(resolv, gethostbyname)
1841 dnl FIXME replace main with a function we actually want from this library.
1842 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1844 dnl Check if pthreads is available.
1846 AC_CHECK_HEADERS_ONCE(pthread.h)
1847 if test "$ac_cv_header_pthread_h"; then
1848 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1849 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1850 dnl testing for pthread_self if Emacs uses gmalloc.c.
1851 if test "$GMALLOC_OBJ" = gmalloc.o; then
1852 emacs_pthread_function=pthread_atfork
1854 emacs_pthread_function=pthread_self
1856 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1858 if test "$HAVE_PTHREAD" = yes; then
1859 case "${canonical}" in
1861 *) LIB_PTHREAD="-lpthread"
1862 LIBS="$LIB_PTHREAD $LIBS" ;;
1864 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1866 AC_SUBST([LIB_PTHREAD])
1868 AC_CHECK_LIB(pthreads, cma_open)
1870 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1871 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1872 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1873 ## added to LIBS in configure would never contain the pthreads part,
1874 ## but the value used in Makefiles might. FIXME?
1876 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1877 ## be harmless on older versions of X where it happens to exist.
1878 test "$opsys" = "aix4-2" && \
1879 test $ac_cv_lib_pthreads_cma_open = yes && \
1880 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1882 dnl Check for need for bigtoc support on IBM AIX
1886 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1888 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1889 *) gdb_cv_bigtoc=-bbigtoc ;;
1892 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1893 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1898 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1899 # used for the tests that follow. We set them back to REAL_CFLAGS and
1900 # REAL_CPPFLAGS later on.
1902 REAL_CFLAGS="$CFLAGS"
1903 REAL_CPPFLAGS="$CPPFLAGS"
1905 if test "${HAVE_X11}" = "yes"; then
1906 DEFS="$C_SWITCH_X_SITE $DEFS"
1907 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1909 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1910 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1912 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1913 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1914 # but it's more convenient here to set LD_RUN_PATH since this
1915 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1916 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1917 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1921 if test "${opsys}" = "gnu-linux"; then
1922 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1923 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1924 [[XOpenDisplay ("foo");]])],
1925 [xgnu_linux_first_failure=no],
1926 [xgnu_linux_first_failure=yes])
1927 if test "${xgnu_linux_first_failure}" = "yes"; then
1928 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1929 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1930 OLD_CPPFLAGS="$CPPFLAGS"
1932 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1933 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1934 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1935 LIBS="$LIBS -b i486-linuxaout"
1936 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1937 [[XOpenDisplay ("foo");]])],
1938 [xgnu_linux_second_failure=no],
1939 [xgnu_linux_second_failure=yes])
1940 if test "${xgnu_linux_second_failure}" = "yes"; then
1941 # If we get the same failure with -b, there is no use adding -b.
1942 # So take it out. This plays safe.
1943 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1944 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1945 CPPFLAGS="$OLD_CPPFLAGS"
1956 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1957 # header files included from there.
1958 AC_MSG_CHECKING(for Xkb)
1959 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1960 #include <X11/XKBlib.h>]],
1961 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1962 emacs_xkb=yes, emacs_xkb=no)
1963 AC_MSG_RESULT($emacs_xkb)
1964 if test $emacs_xkb = yes; then
1965 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
1968 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1969 XScreenNumberOfScreen)
1972 if test "${window_system}" = "x11"; then
1973 AC_MSG_CHECKING(X11 version 6)
1974 AC_CACHE_VAL(emacs_cv_x11_version_6,
1975 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1976 [[#if XlibSpecificationRelease < 6
1979 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1980 if test $emacs_cv_x11_version_6 = yes; then
1981 AC_MSG_RESULT(6 or newer)
1982 AC_DEFINE(HAVE_X11R6, 1,
1983 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1984 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1985 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1989 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1990 [Define if you have usable X11R6-style XIM support.])
1994 AC_MSG_RESULT(before 6)
1999 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2001 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2002 if test "${with_rsvg}" != "no"; then
2003 RSVG_REQUIRED=2.11.0
2004 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2006 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2007 AC_SUBST(RSVG_CFLAGS)
2010 if test $HAVE_RSVG = yes; then
2011 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2012 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2013 LIBS="$RSVG_LIBS $LIBS"
2019 if test "${HAVE_X11}" = "yes"; then
2020 if test "${with_imagemagick}" != "no"; then
2021 ## 6.2.8 is the earliest version known to work, but earlier versions
2022 ## might work - let us know if you find one.
2023 ## 6.0.7 does not work. See bug#7955.
2024 ## 6.8.2 makes Emacs crash; see Bug#13867.
2025 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2026 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2027 AC_SUBST(IMAGEMAGICK_CFLAGS)
2028 AC_SUBST(IMAGEMAGICK_LIBS)
2030 if test $HAVE_IMAGEMAGICK = yes; then
2031 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2032 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2033 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2034 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2044 if test "${opsys}" != "mingw32"; then
2045 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2048 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2050 dnl Checks for libraries.
2051 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2052 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2053 AC_MSG_ERROR($GTK_PKG_ERRORS)
2055 if test "$pkg_check_gtk" = "yes"; then
2056 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2057 GTK_OBJ=emacsgtkfixed.o
2058 term_header=gtkutil.h
2059 USE_GTK_TOOLKIT="GTK3"
2060 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2061 GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
2065 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2069 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2072 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2074 dnl Checks for libraries.
2075 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2076 if test "$pkg_check_gtk" = "no" &&
2077 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2079 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2081 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2085 if test x"$pkg_check_gtk" = xyes; then
2087 AC_SUBST(GTK_CFLAGS)
2089 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2090 CFLAGS="$CFLAGS $GTK_CFLAGS"
2091 LIBS="$GTK_LIBS $LIBS"
2092 dnl Try to compile a simple GTK program.
2094 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2095 if test "${GTK_COMPILES}" != "yes"; then
2096 if test "$USE_X_TOOLKIT" != "maybe"; then
2097 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2101 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2102 GTK_OBJ="gtkutil.o $GTK_OBJ"
2104 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2107 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2108 closing open displays. This is no problem if you just use
2109 one display, but if you use more than one and close one of them
2119 if test "${HAVE_GTK}" = "yes"; then
2121 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2122 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2123 if test "$with_toolkit_scroll_bars" != no; then
2124 with_toolkit_scroll_bars=yes
2127 dnl Check if we have the old file selection dialog declared and
2128 dnl in the link library. In 2.x it may be in the library,
2129 dnl but not declared if deprecated featured has been selected out.
2130 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2131 HAVE_GTK_FILE_SELECTION=no
2132 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2133 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2134 #include <gtk/gtk.h>])
2135 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2136 AC_CHECK_FUNCS(gtk_file_selection_new)
2139 dnl Same as above for gtk_handle_box.
2140 HAVE_GTK_HANDLE_BOX=no
2141 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2142 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2143 #include <gtk/gtk.h>])
2144 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2145 AC_CHECK_FUNCS(gtk_handle_box_new)
2148 dnl Same as above for gtk_tearoff_menu_item.
2149 HAVE_GTK_TEAROFF_MENU_ITEM=no
2150 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2151 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2152 #include <gtk/gtk.h>])
2153 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2154 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2157 dnl Check for functions introduced in 2.14 and later.
2158 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2159 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2160 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2161 gtk_orientable_set_orientation \
2162 gtk_window_set_has_resize_grip)
2164 term_header=gtkutil.h
2167 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2168 dnl other platforms.
2171 if test "${with_dbus}" = "yes"; then
2172 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2173 if test "$HAVE_DBUS" = yes; then
2174 LIBS="$LIBS $DBUS_LIBS"
2175 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2176 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2177 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2179 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2180 dbus_type_is_valid \
2181 dbus_validate_bus_name \
2182 dbus_validate_path \
2183 dbus_validate_interface \
2184 dbus_validate_member)
2190 dnl GSettings has been tested under GNU/Linux only.
2192 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2193 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2194 if test "$HAVE_GSETTINGS" = "yes"; then
2195 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2196 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2197 SETTINGS_LIBS="$GSETTINGS_LIBS"
2201 dnl GConf has been tested under GNU/Linux only.
2202 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2204 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2205 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2206 if test "$HAVE_GCONF" = yes; then
2207 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2208 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2209 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2210 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2214 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2215 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2216 if test "$HAVE_GOBJECT" = "yes"; then
2217 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2218 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2220 SAVE_CFLAGS="$CFLAGS"
2222 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2223 LIBS="$SETTINGS_LIBS $LIBS"
2224 AC_CHECK_FUNCS([g_type_init])
2225 CFLAGS="$SAVE_CFLAGS"
2228 AC_SUBST(SETTINGS_CFLAGS)
2229 AC_SUBST(SETTINGS_LIBS)
2232 dnl SELinux is available for GNU/Linux only.
2235 if test "${with_selinux}" = "yes"; then
2236 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2237 if test "$HAVE_LIBSELINUX" = yes; then
2238 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2239 LIBSELINUX_LIBS=-lselinux
2242 AC_SUBST(LIBSELINUX_LIBS)
2245 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2246 if test "${with_gnutls}" = "yes" ; then
2247 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2248 if test "${HAVE_GNUTLS}" = "yes"; then
2249 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2254 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2255 LIBS="$LIBGNUTLS_LIBS $LIBS"
2256 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2258 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2259 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2262 # Windows loads GnuTLS dynamically
2263 if test "${opsys}" = "mingw32"; then
2270 AC_SUBST(LIBGNUTLS_LIBS)
2271 AC_SUBST(LIBGNUTLS_CFLAGS)
2273 dnl inotify is only available on GNU/Linux.
2274 if test "${with_inotify}" = "yes"; then
2275 AC_CHECK_HEADERS(sys/inotify.h)
2276 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2277 AC_CHECK_FUNC(inotify_init1)
2280 if test "$ac_cv_func_inotify_init1" = yes; then
2281 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2284 dnl POSIX ACL support: provided by libacl on GNU/Linux, by libc on FreeBSD.
2287 if test "${with_acl}" = "yes"; then
2288 AC_CHECK_LIB([acl], [acl_set_file], HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2289 if test "$HAVE_POSIX_ACL" = yes; then
2290 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2293 AC_CHECK_FUNC(acl_set_file, HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2294 if test "$HAVE_POSIX_ACL" = yes; then
2295 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2299 AC_SUBST(LIBACL_LIBS)
2301 dnl Do not put whitespace before the #include statements below.
2302 dnl Older compilers (eg sunos4 cc) choke on it.
2305 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2306 if test "$with_xaw3d" != no; then
2307 AC_CACHE_VAL(emacs_cv_xaw3d,
2308 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2309 #include <X11/Intrinsic.h>
2310 #include <X11/Xaw3d/Simple.h>]],
2312 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2313 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2314 emacs_cv_xaw3d=no)])
2318 if test $emacs_cv_xaw3d = yes; then
2319 AC_MSG_CHECKING(for xaw3d)
2320 AC_MSG_RESULT([yes; using Lucid toolkit])
2324 AC_DEFINE(HAVE_XAW3D, 1,
2325 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2327 AC_MSG_CHECKING(for xaw3d)
2329 AC_MSG_CHECKING(for libXaw)
2330 AC_CACHE_VAL(emacs_cv_xaw,
2331 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2332 #include <X11/Intrinsic.h>
2333 #include <X11/Xaw/Simple.h>]],
2337 if test $emacs_cv_xaw = yes; then
2338 AC_MSG_RESULT([yes; using Lucid toolkit])
2341 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2342 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2344 AC_MSG_ERROR([No X toolkit could be found.
2345 If you are sure you want Emacs compiled without an X toolkit, pass
2347 to configure. Otherwise, install the development libraries for the toolkit
2348 that you want to use (e.g. Gtk+) and re-run configure.])
2353 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2356 if test "${USE_X_TOOLKIT}" != "none"; then
2357 AC_MSG_CHECKING(X11 toolkit version)
2358 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2359 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2360 [[#if XtSpecificationRelease < 6
2363 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2364 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2365 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2366 AC_MSG_RESULT(6 or newer)
2367 AC_DEFINE(HAVE_X11XTR6, 1,
2368 [Define to 1 if you have the X11R6 or newer version of Xt.])
2369 LIBXTR6="-lSM -lICE"
2371 ## Use libw.a along with X11R6 Xt.
2372 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2375 AC_MSG_RESULT(before 6)
2378 dnl If using toolkit, check whether libXmu.a exists.
2379 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2381 if test x$HAVE_X11XTR6 = xyes; then
2382 LIBS="-lXt -lSM -lICE $LIBS"
2386 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2387 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2388 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2392 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2393 dnl Why not just test for libxmu in the normal way?
2396 ## These systems don't supply Xmu.
2398 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2406 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2407 if test "${HAVE_X11}" = "yes"; then
2408 if test "${USE_X_TOOLKIT}" != "none"; then
2409 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2414 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2415 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2416 if test -d /usr/include/openmotif; then
2417 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2418 emacs_cv_openmotif=yes
2419 case "$canonical" in
2420 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2421 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2424 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2427 emacs_cv_openmotif=no
2429 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2430 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2431 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2434 Motif version prior to 2.1.
2436 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2437 if test $emacs_cv_motif_version_2_1 = yes; then
2438 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2439 if test x$emacs_cv_openmotif = xyes; then
2440 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2443 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2444 # We put this in CFLAGS temporarily to precede other -I options
2445 # that might be in CFLAGS temporarily.
2446 # We put this in CPPFLAGS where it precedes the other -I options.
2447 OLD_CPPFLAGS=$CPPFLAGS
2449 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2450 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2451 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2453 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2454 if test $emacs_cv_lesstif = yes; then
2455 # Make sure this -I option remains in CPPFLAGS after it is set
2456 # back to REAL_CPPFLAGS.
2457 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2458 # have those other -I options anyway. Ultimately, having this
2459 # directory ultimately in CPPFLAGS will be enough.
2460 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2461 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2464 CPPFLAGS=$OLD_CPPFLAGS
2467 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2468 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2471 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2472 dnl using Motif or Xaw3d is available, and unless
2473 dnl --with-toolkit-scroll-bars=no was specified.
2475 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2476 [Define to 1 if we should use toolkit scroll bars.])dnl
2477 USE_TOOLKIT_SCROLL_BARS=no
2478 if test "${with_toolkit_scroll_bars}" != "no"; then
2479 if test "${USE_X_TOOLKIT}" != "none"; then
2480 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2481 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2483 USE_TOOLKIT_SCROLL_BARS=yes
2484 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2485 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2486 USE_TOOLKIT_SCROLL_BARS=yes
2488 elif test "${HAVE_GTK}" = "yes"; then
2489 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2490 USE_TOOLKIT_SCROLL_BARS=yes
2491 elif test "${HAVE_NS}" = "yes"; then
2492 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2493 USE_TOOLKIT_SCROLL_BARS=yes
2494 elif test "${HAVE_W32}" = "yes"; then
2495 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2496 USE_TOOLKIT_SCROLL_BARS=yes
2500 dnl See if XIM is available.
2501 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2502 #include <X11/Xlib.h>
2503 #include <X11/Xresource.h>]],
2504 [[XIMProc callback;]])],
2506 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2509 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2511 if test "${with_xim}" != "no"; then
2512 AC_DEFINE(USE_XIM, 1,
2513 [Define to 1 if we should use XIM, if it is available.])
2517 if test "${HAVE_XIM}" != "no"; then
2519 if test "$GCC" = yes; then
2520 CFLAGS="$CFLAGS --pedantic-errors"
2522 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2523 #include <X11/Xlib.h>
2524 #include <X11/Xresource.h>]],
2530 XPointer *client_data;
2532 /* If we're not using GCC, it's probably not XFree86, and this is
2533 probably right, but we can't use something like --pedantic-errors. */
2534 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2535 char*, XIMProc, XPointer*);
2537 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2539 [emacs_cv_arg6_star=yes])
2540 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2541 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2542 either XPointer or XPointer*.])dnl
2543 if test "$emacs_cv_arg6_star" = yes; then
2544 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2546 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2551 ### Start of font-backend (under any platform) section.
2552 # (nothing here yet -- this is a placeholder)
2553 ### End of font-backend (under any platform) section.
2555 ### Start of font-backend (under X11) section.
2556 if test "${HAVE_X11}" = "yes"; then
2557 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2559 ## Use -lXft if available, unless `--with-xft=no'.
2561 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2564 if test "x${with_xft}" != "xno"; then
2566 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2567 ## Because xftfont.c uses XRenderQueryExtension, we also
2568 ## need to link to -lXrender.
2570 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2571 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2572 OLD_CPPFLAGS="$CPPFLAGS"
2573 OLD_CFLAGS="$CFLAGS"
2575 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2576 CFLAGS="$CFLAGS $XFT_CFLAGS"
2577 XFT_LIBS="-lXrender $XFT_LIBS"
2578 LIBS="$XFT_LIBS $LIBS"
2579 AC_CHECK_HEADER(X11/Xft/Xft.h,
2580 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2582 if test "${HAVE_XFT}" = "yes"; then
2583 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2585 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2587 CPPFLAGS="$OLD_CPPFLAGS"
2588 CFLAGS="$OLD_CFLAGS"
2590 fi # "${HAVE_XFT}" = "yes"
2591 fi # "$HAVE_XFT" != no
2592 fi # "x${with_xft}" != "xno"
2594 ## We used to allow building with FreeType and without Xft.
2595 ## However, the ftx font backend driver is not in good shape.
2596 if test "$HAVE_XFT" != "yes"; then
2597 dnl For the "Does Emacs use" message at the end.
2601 dnl Strict linkers fail with
2602 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2603 dnl if -lfreetype is not specified.
2604 dnl The following is needed to set FREETYPE_LIBS.
2605 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2608 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2612 if test "${HAVE_FREETYPE}" = "yes"; then
2613 AC_DEFINE(HAVE_FREETYPE, 1,
2614 [Define to 1 if using the freetype and fontconfig libraries.])
2615 if test "${with_libotf}" != "no"; then
2616 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2618 if test "$HAVE_LIBOTF" = "yes"; then
2619 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2620 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2621 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2622 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2623 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2624 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2625 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2629 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2630 dnl Does the new font backend require it, or can it work without it?
2634 if test "${HAVE_LIBOTF}" = yes; then
2635 if test "${with_m17n_flt}" != "no"; then
2636 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2637 if test "$HAVE_M17N_FLT" = "yes"; then
2638 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2649 ### End of font-backend (under X11) section.
2651 AC_SUBST(FREETYPE_CFLAGS)
2652 AC_SUBST(FREETYPE_LIBS)
2653 AC_SUBST(FONTCONFIG_CFLAGS)
2654 AC_SUBST(FONTCONFIG_LIBS)
2655 AC_SUBST(LIBOTF_CFLAGS)
2656 AC_SUBST(LIBOTF_LIBS)
2657 AC_SUBST(M17N_FLT_CFLAGS)
2658 AC_SUBST(M17N_FLT_LIBS)
2660 ### Use -lXpm if available, unless `--with-xpm=no'.
2661 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2664 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2665 if test "${with_xpm}" != "no"; then
2666 SAVE_CPPFLAGS="$CPPFLAGS"
2667 SAVE_LDFLAGS="$LDFLAGS"
2668 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2669 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2670 AC_CHECK_HEADER(X11/xpm.h,
2671 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2672 if test "${HAVE_XPM}" = "yes"; then
2673 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2674 AC_EGREP_CPP(no_return_alloc_pixels,
2675 [#include "X11/xpm.h"
2676 #ifndef XpmReturnAllocPixels
2677 no_return_alloc_pixels
2679 ], HAVE_XPM=no, HAVE_XPM=yes)
2681 if test "${HAVE_XPM}" = "yes"; then
2682 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2686 CPPFLAGS="$SAVE_CPPFLAGS"
2687 LDFLAGS="$SAVE_LDFLAGS"
2692 if test "${HAVE_XPM}" = "yes"; then
2693 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2698 if test "${HAVE_X11}" = "yes"; then
2699 if test "${with_xpm}" != "no"; then
2700 AC_CHECK_HEADER(X11/xpm.h,
2701 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2702 if test "${HAVE_XPM}" = "yes"; then
2703 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2704 AC_EGREP_CPP(no_return_alloc_pixels,
2705 [#include "X11/xpm.h"
2706 #ifndef XpmReturnAllocPixels
2707 no_return_alloc_pixels
2709 ], HAVE_XPM=no, HAVE_XPM=yes)
2711 if test "${HAVE_XPM}" = "yes"; then
2719 if test "${HAVE_XPM}" = "yes"; then
2720 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2725 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2726 ### slightly different requirements wrt image libraries (it doesn't
2727 ### use -lXpm because it loads the xpm shared library dynamically at
2729 if test "${opsys}" = "mingw32"; then
2730 if test "${with_xpm}" != "no"; then
2731 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2735 if test "${HAVE_XPM}" = "yes"; then
2736 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2742 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2743 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2746 if test "${opsys}" = "mingw32"; then
2747 if test "${with_jpeg}" != "no"; then
2748 dnl Checking for jpeglib.h can lose because of a redefinition of
2750 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2752 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2753 if test "${HAVE_JPEG}" = "yes"; then
2754 AC_DEFINE(HAVE_JPEG)
2755 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2756 [#include <jpeglib.h>
2757 version=JPEG_LIB_VERSION
2759 [AC_DEFINE(HAVE_JPEG)],
2760 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2763 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2764 if test "${with_jpeg}" != "no"; then
2765 dnl Checking for jpeglib.h can lose because of a redefinition of
2767 AC_CHECK_HEADER(jerror.h,
2768 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2771 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2772 if test "${HAVE_JPEG}" = "yes"; then
2773 AC_DEFINE(HAVE_JPEG)
2774 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2775 [#include <jpeglib.h>
2776 version=JPEG_LIB_VERSION
2778 [AC_DEFINE(HAVE_JPEG)],
2779 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2782 if test "${HAVE_JPEG}" = "yes"; then
2788 ### Use -lpng if available, unless `--with-png=no'.
2789 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2792 if test "${opsys}" = "mingw32"; then
2793 if test "${with_png}" != "no"; then
2794 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2796 if test "${HAVE_PNG}" = "yes"; then
2797 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2799 AC_CHECK_DECL(png_longjmp,
2801 [AC_DEFINE(PNG_DEPSTRUCT, [],
2802 [Define to empty to suppress deprecation warnings when building
2803 with --enable-gcc-warnings and with libpng versions before 1.5,
2804 which lack png_longjmp.])],
2805 [[#ifdef HAVE_LIBPNG_PNG_H
2806 # include <libpng/png.h>
2812 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2813 if test "${with_png}" != "no"; then
2814 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2815 # in /usr/include/libpng.
2816 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2817 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2818 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2822 if test "${HAVE_PNG}" = "yes"; then
2823 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2824 LIBPNG="-lpng -lz -lm"
2826 AC_CHECK_DECL(png_longjmp,
2828 [AC_DEFINE(PNG_DEPSTRUCT, [],
2829 [Define to empty to suppress deprecation warnings when building
2830 with --enable-gcc-warnings and with libpng versions before 1.5,
2831 which lack png_longjmp.])],
2832 [[#ifdef HAVE_LIBPNG_PNG_H
2833 # include <libpng/png.h>
2842 ### Use -ltiff if available, unless `--with-tiff=no'.
2843 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
2846 if test "${opsys}" = "mingw32"; then
2847 if test "${with_tiff}" != "no"; then
2848 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
2850 if test "${HAVE_TIFF}" = "yes"; then
2851 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2853 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2854 if test "${with_tiff}" != "no"; then
2855 AC_CHECK_HEADER(tiffio.h,
2857 # At least one tiff package requires the jpeg library.
2858 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2859 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2862 if test "${HAVE_TIFF}" = "yes"; then
2863 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2864 dnl FIXME -lz -lm, as per libpng?
2870 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2871 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
2874 if test "${opsys}" = "mingw32"; then
2875 if test "${with_gif}" != "no"; then
2876 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
2878 if test "${HAVE_GIF}" = "yes"; then
2879 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2881 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
2882 || test "${HAVE_W32}" = "yes"; then
2883 AC_CHECK_HEADER(gif_lib.h,
2884 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2885 # Earlier versions can crash Emacs.
2886 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2888 if test "$HAVE_GIF" = yes; then
2890 elif test "$HAVE_GIF" = maybe; then
2891 # If gif_lib.h but no libgif, try libungif.
2892 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2893 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2896 if test "${HAVE_GIF}" = "yes"; then
2897 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2902 dnl Check for required libraries.
2903 if test "${HAVE_X11}" = "yes"; then
2906 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2907 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2908 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2909 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2910 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2911 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2912 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2913 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2914 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2915 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2917 if test "X${MISSING}" != X; then
2918 AC_MSG_ERROR([The following required libraries were not found:
2920 Maybe some development libraries/packages are missing?
2921 If you don't want to link with them give
2923 as options to configure])
2927 ### Use -lgpm if available, unless `--with-gpm=no'.
2930 if test "${with_gpm}" != "no"; then
2931 AC_CHECK_HEADER(gpm.h,
2932 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2934 if test "${HAVE_GPM}" = "yes"; then
2935 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2941 dnl Check for malloc/malloc.h on darwin
2942 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2945 ### Use NeXTstep API to implement GUI.
2946 if test "${HAVE_NS}" = "yes"; then
2947 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2948 if test "${NS_IMPL_COCOA}" = "yes"; then
2949 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2951 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2952 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2953 # See also .m.o rule in Makefile.in */
2954 # FIXME: are all these flags really needed? Document here why. */
2955 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2956 ## Extra CFLAGS applied to src/*.m files.
2957 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2959 # We also have mouse menus.
2964 if test "${HAVE_W32}" = "yes"; then
2968 ### Use session management (-lSM -lICE) if available
2971 if test "${HAVE_X11}" = "yes"; then
2972 AC_CHECK_HEADER(X11/SM/SMlib.h,
2973 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2975 if test "${HAVE_X_SM}" = "yes"; then
2976 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2980 *) LIBS="$LIBXSM $LIBS" ;;
2986 ### Use libxml (-lxml2) if available
2987 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
2989 if test "${with_xml2}" != "no"; then
2990 ### I'm not sure what the version number should be, so I just guessed.
2991 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2992 if test "${HAVE_LIBXML2}" = "yes"; then
2993 if test "${opsys}" != "mingw32"; then
2994 LIBS="$LIBXML2_LIBS $LIBS"
2995 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2999 if test "${HAVE_LIBXML2}" = "yes"; then
3000 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3007 AC_SUBST(LIBXML2_LIBS)
3008 AC_SUBST(LIBXML2_CFLAGS)
3010 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3011 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3012 if test "${opsys}" = "mingw32"; then
3013 emacs_cv_netdb_declares_h_errno=yes
3015 AC_CACHE_CHECK(whether netdb declares h_errno,
3016 emacs_cv_netdb_declares_h_errno,
3017 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3018 [[return h_errno;]])],
3019 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3020 if test $emacs_cv_netdb_declares_h_errno = yes; then
3021 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3024 # sqrt and other floating-point functions such as fmod and frexp
3025 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3026 if test "${opsys}" != "mingw32"; then
3027 AC_CHECK_LIB(m, sqrt)
3030 # Check for mail-locking functions in a "mail" library. Probably this should
3031 # have the same check as for liblockfile below.
3032 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3033 if test $have_mail = yes; then
3035 LIBS="$LIBS_MAIL $LIBS"
3036 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3040 dnl Debian, at least:
3041 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3042 if test $have_lockfile = yes; then
3043 LIBS_MAIL=-llockfile
3044 LIBS="$LIBS_MAIL $LIBS"
3045 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3047 # If we have the shared liblockfile, assume we must use it for mail
3048 # locking (e.g. Debian). If we couldn't link against liblockfile
3049 # (no liblockfile.a installed), ensure that we don't need to.
3050 dnl This works for files generally, not just executables.
3051 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3052 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3053 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3054 if test $ac_cv_prog_liblockfile = yes; then
3055 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3056 This probably means that movemail could lose mail.
3057 There may be a `development' package to install containing liblockfile.])
3060 AC_CHECK_HEADERS_ONCE(maillock.h)
3063 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3064 ## interlock access to the mail spool. The alternative is a lock file named
3065 ## /usr/spool/mail/$USER.lock.
3068 aix4-2) mail_lock="lockf" ;;
3070 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3072 ## On GNU/Linux systems, both methods are used by various mail programs.
3073 ## I assume most people are using newer mailers that have heard of flock.
3074 ## Change this if you need to.
3075 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3076 ## configure gets the right answers, and that means *NOT* using flock.
3077 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3078 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3079 ## Debian maintainer hasn't provided a clean fix for Emacs.
3080 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3081 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3082 ## correct logic. -- fx
3083 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3084 ## liblockfile is a Free Software replacement for libmail, used on
3085 ## Debian systems and elsewhere. -rfr.
3088 if test $have_mail = yes || test $have_lockfile = yes; then
3089 test $ac_cv_header_maillock_h = yes && mail_lock=no
3094 mail_lock="none-needed" ;;
3098 case "$mail_lock" in
3099 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3101 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3105 *) BLESSMAIL_TARGET="need-blessmail" ;;
3107 AC_SUBST(BLESSMAIL_TARGET)
3110 AC_CHECK_FUNCS(gethostname \
3111 getrusage get_current_dir_name \
3113 select getpagesize setlocale \
3114 utimes getrlimit setrlimit shutdown getaddrinfo \
3115 strsignal setitimer \
3116 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3117 gai_strerror mkstemp getline getdelim sync \
3118 difftime posix_memalign \
3119 getpwent endpwent getgrent endgrent \
3121 cfmakeraw cfsetspeed copysign __executable_start)
3123 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3124 ## has a broken `rint' in some library versions including math library
3125 ## version number A.09.05.
3126 ## You can fix the math library by installing patch number PHSS_4630.
3127 ## But we can fix it more reliably for Emacs by just not using rint.
3128 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3131 *) AC_CHECK_FUNCS(random rint) ;;
3134 dnl Cannot use AC_CHECK_FUNCS
3135 AC_CACHE_CHECK([for __builtin_unwind_init],
3136 emacs_cv_func___builtin_unwind_init,
3137 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3138 emacs_cv_func___builtin_unwind_init=yes,
3139 emacs_cv_func___builtin_unwind_init=no)])
3140 if test $emacs_cv_func___builtin_unwind_init = yes; then
3141 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3142 [Define to 1 if you have the `__builtin_unwind_init' function.])
3145 AC_CHECK_HEADERS_ONCE(sys/un.h)
3150 AC_CHECK_FUNCS(grantpt)
3152 # PTY-related GNU extensions.
3153 AC_CHECK_FUNCS(getpt posix_openpt)
3155 # Check this now, so that we will NOT find the above functions in ncurses.
3156 # That is because we have not set up to link ncurses in lib-src.
3157 # It's better to believe a function is not available
3158 # than to expect to find it in ncurses.
3159 # Also we need tputs and friends to be able to build at all.
3160 AC_MSG_CHECKING([for library containing tputs])
3161 # Run a test program that contains a call to tputs, a call that is
3162 # never executed. This tests whether a pre-'main' dynamic linker
3163 # works with the library. It's too much trouble to actually call
3164 # tputs in the test program, due to portability hassles. When
3165 # cross-compiling, assume the test program will run if it links.
3166 AC_DEFUN([tputs_link_source], [
3168 [[extern void tputs (const char *, int, int (*)(int));
3169 int main (int argc, char **argv)
3172 tputs (argv[0], 0, 0);
3176 if test "${opsys}" = "mingw32"; then
3179 # Maybe curses should be tried earlier?
3180 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3181 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3183 if test -z "$tputs_library"; then
3187 LIBS_TERMCAP=-l$tputs_library
3189 LIBS="$LIBS_TERMCAP $LIBS"
3191 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3192 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3194 if test "X$msg" != Xno; then
3199 AC_MSG_RESULT([$msg])
3200 if test "X$msg" = Xno; then
3201 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3202 The following libraries were tried (in order):
3203 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3204 Please try installing whichever of these libraries is most appropriate
3205 for your system, together with its header files.
3206 For example, a libncurses-dev(el) or similar package.])
3209 ## Use termcap instead of terminfo?
3210 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3212 ## FIXME? In the cases below where we unconditionally set
3213 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3214 ## if that was found above to have tputs.
3215 ## Should we use the gnu* logic everywhere?
3217 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3218 ## The ncurses library has been moved out of the System framework in
3219 ## Mac OS X 10.2. So if configure detects it, set the command-line
3220 ## option to use it.
3221 darwin) LIBS_TERMCAP="-lncurses" ;;
3223 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3226 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3227 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3228 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3229 [[#if __FreeBSD_version < 400000
3232 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3234 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3236 if test $emacs_cv_freebsd_terminfo = yes; then
3237 LIBS_TERMCAP="-lncurses"
3240 LIBS_TERMCAP="-ltermcap"
3250 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3252 LIBS_TERMCAP="-ltermcap"
3256 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3258 ## hpux: Make sure we get select from libc rather than from libcurses
3259 ## because libcurses on HPUX 10.10 has a broken version of select.
3260 ## We used to use -lc -lcurses, but this may be cleaner.
3261 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3262 # set that way, now it uses the default). Isn't this a contradiction?
3263 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3267 TERMCAP_OBJ=tparam.o
3268 if test $TERMINFO = yes; then
3269 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3270 TERMCAP_OBJ=terminfo.o
3272 AC_SUBST(LIBS_TERMCAP)
3273 AC_SUBST(TERMCAP_OBJ)
3276 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3277 # On Darwin, res_init appears not to be useful: see bug#562 and
3278 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3281 if test $opsys != darwin; then
3283 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3284 #include <arpa/nameser.h>
3285 #include <resolv.h>]],
3286 [[return res_init();]])],
3287 have_res_init=yes, have_res_init=no)
3288 if test "$have_res_init" = no; then
3290 LIBS="$LIBS -lresolv"
3291 AC_MSG_CHECKING(for res_init with -lresolv)
3292 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3293 #include <arpa/nameser.h>
3294 #include <resolv.h>]],
3295 [[return res_init();]])],
3296 have_res_init=yes, have_res_init=no)
3297 AC_MSG_RESULT($have_res_init)
3298 if test "$have_res_init" = yes ; then
3304 if test "$have_res_init" = yes; then
3305 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3309 # Do we need the Hesiod library to provide the support routines?
3310 dnl FIXME? Should we be skipping this on Darwin too?
3312 if test "$with_hesiod" != no ; then
3313 # Don't set $LIBS here -- see comments above. FIXME which comments?
3314 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3315 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3316 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3317 if test "$resolv" = yes ; then
3322 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3323 hesiod=yes, :, $RESOLVLIB)])
3325 if test x"$hesiod" = xyes; then
3326 AC_DEFINE(HAVE_LIBHESIOD, 1,
3327 [Define to 1 if you have the hesiod library (-lhesiod).])
3333 # Do we need libresolv (due to res_init or Hesiod)?
3334 if test "$resolv" = yes && test $opsys != darwin; then
3335 AC_DEFINE(HAVE_LIBRESOLV, 1,
3336 [Define to 1 if you have the resolv library (-lresolv).])
3343 # These tell us which Kerberos-related libraries to use.
3350 if test "${with_kerberos}" != no; then
3351 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3352 if test $have_com_err = yes; then
3353 COM_ERRLIB=-lcom_err
3354 LIBS="$COM_ERRLIB $LIBS"
3355 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3357 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3358 if test $have_crypto = yes; then
3360 LIBS="$CRYPTOLIB $LIBS"
3361 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3363 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3364 if test $have_k5crypto = yes; then
3365 CRYPTOLIB=-lk5crypto
3366 LIBS="$CRYPTOLIB $LIBS"
3367 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3369 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3370 if test $have_krb5=yes; then
3372 LIBS="$KRB5LIB $LIBS"
3373 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3375 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3376 if test "${with_kerberos5}" = no; then
3377 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3378 if test $have_des425 = yes; then
3380 LIBS="$DESLIB $LIBS"
3381 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3383 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3384 if test $have_des = yes; then
3386 LIBS="$DESLIB $LIBS"
3387 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3390 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3391 if test $have_krb4 = yes; then
3393 LIBS="$KRB4LIB $LIBS"
3394 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3396 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3397 if test $have_krb = yes; then
3399 LIBS="$KRB4LIB $LIBS"
3400 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3405 if test "${with_kerberos5}" != no; then
3406 AC_CHECK_HEADERS(krb5.h,
3407 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3408 [#include <krb5.h>])])
3410 AC_CHECK_HEADERS(des.h,,
3411 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3412 [AC_CHECK_HEADERS(kerberos/des.h)])])
3413 AC_CHECK_HEADERS(krb.h,,
3414 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3415 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3417 AC_CHECK_HEADERS(com_err.h)
3420 AC_SUBST(COM_ERRLIB)
3426 AC_CHECK_FUNCS_ONCE(tzset)
3427 AC_MSG_CHECKING(whether localtime caches TZ)
3428 AC_CACHE_VAL(emacs_cv_localtime_cache,
3429 [if test x$ac_cv_func_tzset = xyes; then
3430 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3431 char TZ_GMT0[] = "TZ=GMT0";
3432 char TZ_PST8[] = "TZ=PST8";
3435 time_t now = time ((time_t *) 0);
3436 int hour_GMT0, hour_unset;
3437 if (putenv (TZ_GMT0) != 0)
3439 hour_GMT0 = localtime (&now)->tm_hour;
3441 hour_unset = localtime (&now)->tm_hour;
3442 if (putenv (TZ_PST8) != 0)
3444 if (localtime (&now)->tm_hour == hour_GMT0)
3447 if (localtime (&now)->tm_hour != hour_unset)
3450 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3451 [# If we have tzset, assume the worst when cross-compiling.
3452 emacs_cv_localtime_cache=yes])
3454 # If we lack tzset, report that localtime does not cache TZ,
3455 # since we can't invalidate the cache if we don't have tzset.
3456 emacs_cv_localtime_cache=no
3458 AC_MSG_RESULT($emacs_cv_localtime_cache)
3459 if test $emacs_cv_localtime_cache = yes; then
3460 AC_DEFINE(LOCALTIME_CACHE, 1,
3461 [Define to 1 if localtime caches TZ.])
3465 AC_CHECK_FUNC(socket, , ok_so_far=no)
3466 if test $ok_so_far = yes; then
3467 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3469 if test $ok_so_far = yes; then
3470 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3472 if test $ok_so_far = yes; then
3473 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3474 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3475 [Define to 1 if you have inet sockets.])
3478 if test -f /usr/lpp/X11/bin/smt.exp; then
3479 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3480 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3483 AC_MSG_CHECKING(whether system supports dynamic ptys)
3484 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3486 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3491 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3492 dnl This can be removed once we assume Autoconf 2.70.
3494 *-solaris2.4 | *-solaris2.4.*)
3495 dnl Disable the Autoconf-generated vfork test.
3496 : ${ac_cv_func_vfork_works=no};;
3501 AC_CHECK_FUNCS(snprintf)
3503 dnl Adapted from Haible's version.
3504 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3505 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3506 [[char* cs = nl_langinfo(CODESET);]])],
3507 emacs_cv_langinfo_codeset=yes,
3508 emacs_cv_langinfo_codeset=no)
3510 if test $emacs_cv_langinfo_codeset = yes; then
3511 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3512 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3517 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3518 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3519 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3520 if test "$emacs_cv_c_restrict_arr" = yes; then
3521 AC_DEFINE(__restrict_arr, __restrict,
3522 [Define to compiler's equivalent of C99 restrict keyword in array
3523 declarations. Define as empty for no equivalent.])
3526 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3527 dnl how the tty code is related to POSIX and/or other versions of termios.
3528 dnl The following looks like a useful start.
3530 dnl AC_SYS_POSIX_TERMIOS
3531 dnl if test $ac_cv_sys_posix_termios = yes; then
3532 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3533 dnl and macros for terminal control.])
3534 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3537 dnl Turned on June 1996 supposing nobody will mind it.
3538 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3539 if test "${opsys}" != "mingw32"; then
3540 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3541 in the full name stands for the login id.])
3544 dnl Every platform that uses configure supports this.
3545 dnl There is a create-lockfiles option you can
3546 dnl customize if you do not want the lock files to be written.
3547 dnl So it is not clear that this #define still needs to exist.
3548 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3549 so that Emacs can tell instantly when you try to modify a file that
3550 someone else has modified in his/her Emacs.])
3552 dnl Everybody supports this, except MS.
3553 dnl Seems like the kind of thing we should be testing for, though.
3554 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3555 if test "${opsys}" != "mingw32"; then
3556 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3559 dnl Everybody supports this, except MS-DOS.
3560 dnl Seems like the kind of thing we should be testing for, though.
3561 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3562 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3563 4.2-compatible sockets.])
3565 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3567 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3568 a null file, or a data sink.])
3569 if test "${opsys}" = "mingw32"; then
3570 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3572 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3575 AH_TEMPLATE(SEPCHAR, [Character that separates PATH elements.])
3576 if test "${opsys}" = "mingw32"; then
3577 AC_DEFINE(SEPCHAR, [';'])
3579 AC_DEFINE(SEPCHAR, [':'])
3582 dnl Everybody supports this, except MS-DOS.
3583 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3585 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3588 AC_DEFINE(DIRECTORY_SEP, ['/'],
3589 [Character that separates directories in a file name.])
3591 AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.])
3592 if test "${opsys}" = "mingw32"; then
3593 dnl Only used on MS platforms.
3594 AC_DEFINE(DEVICE_SEP, ':')
3595 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == DEVICE_SEP)],
3596 [Returns true if character is a device separator.])
3598 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3599 [Returns true if character is a directory separator.])
3601 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3602 [Returns true if character is any form of separator.])
3604 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3605 [Returns true if character is a device separator.])
3607 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3608 [Returns true if character is a directory separator.])
3610 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3611 [Returns true if character is any form of separator.])
3614 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3618 dnl Unfortunately without libXmu we cannot support EditRes.
3619 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3620 AC_DEFINE(NO_EDITRES, 1)
3625 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3626 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3627 AC_DEFINE(NO_EDITRES, 1)
3633 irix6-5 | sol2* | unixware )
3634 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3635 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3636 dnl need the constant to dimension an array. So wire in the appropriate
3638 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3642 emacs_broken_SIGIO=no
3645 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3646 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3647 hpux* | irix6-5 | openbsd | sol2* | unixware )
3648 emacs_broken_SIGIO=yes
3652 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3653 dnl the way this system works, libc functions that return malloced
3654 dnl memory use the libc malloc implementation. Calling xfree or
3655 dnl xrealloc on the results of such functions results in a crash.
3657 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3658 dnl but that does not currently work on this system.
3660 dnl It is possible to completely override the malloc implementation on
3661 dnl AIX, but that involves putting the malloc functions in a shared
3662 dnl library and setting the MALLOCTYPE environment variable to point to
3663 dnl that shared library.
3665 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3666 dnl to avoid a crash just use the Emacs implementation for that function.
3668 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3669 dnl of this file, so that we do not check for get_current_dir_name
3670 dnl on AIX. But that might be fragile if something else ends
3671 dnl up testing for get_current_dir_name as a dependency.
3672 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3673 get_current_dir_name should not be used.])
3677 dnl Circumvent a bug in FreeBSD. In the following sequence of
3678 dnl writes/reads on a PTY, read(2) returns bogus data:
3680 dnl write(2) 1022 bytes
3681 dnl write(2) 954 bytes, get EAGAIN
3682 dnl read(2) 1024 bytes in process_read_output
3683 dnl read(2) 11 bytes in process_read_output
3685 dnl That is, read(2) returns more bytes than have ever been written
3686 dnl successfully. The 1033 bytes read are the 1022 bytes written
3687 dnl successfully after processing (for example with CRs added if the
3688 dnl terminal is set up that way which it is here). The same bytes will
3689 dnl be seen again in a later read(2), without the CRs.
3690 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3691 work around an issue when reading from a PTY.])
3697 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3698 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3703 darwin | dragonfly | freebsd | netbsd | openbsd )
3704 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3705 close a pty to make it a controlling terminal (it is already a
3706 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3710 dnl FIXME Surely we can test for this rather than hard-code it.
3712 netbsd | openbsd) sound_device="/dev/audio" ;;
3713 *) sound_device="/dev/dsp" ;;
3717 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3718 [Name of the default sound device.])
3721 dnl Emacs can read input using SIGIO and buffering characters itself,
3722 dnl or using CBREAK mode and making C-g cause SIGINT.
3723 dnl The choice is controlled by the variable interrupt_input.
3725 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3727 dnl Emacs uses the presence of the USABLE_SIGIO macro
3728 dnl to indicate whether or not signal-driven I/O is possible. It uses
3729 dnl INTERRUPT_INPUT to decide whether to use it by default.
3731 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3732 dnl CBREAK mode has two disadvantages
3733 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3734 dnl I hear that in system V this problem does not exist.
3735 dnl 2) Control-G causes output to be discarded.
3736 dnl I do not know whether this can be fixed in system V.
3738 dnl Another method of doing input is planned but not implemented.
3739 dnl It would have Emacs fork off a separate process
3740 dnl to read the input and send it to the true Emacs process
3743 darwin | gnu-linux | gnu-kfreebsd )
3744 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3749 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3750 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3751 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3752 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3753 dnl taking float or double parameters.
3755 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3756 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3757 file defines `NeedWidePrototypes' as `NO'.])
3762 dnl Used in process.c, this must be a loop, even if it only runs once.
3763 dnl (Except on SGI; see below. Take that, clarity and consistency!)
3764 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
3765 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
3766 dnl trying suffixes 0-16.
3767 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
3768 first PTY, if PTYs are supported.])
3769 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
3770 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
3771 end of a PTY, if non-standard.])
3772 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
3773 end of a PTY, if non-standard.])
3777 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
3778 dnl You allocate a pty by opening /dev/ptc to get the master side.
3779 dnl To get the name of the slave side, you just ttyname() the master side.
3780 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
3781 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
3785 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3786 dnl multi-line AC_DEFINEs are hard. :(
3787 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)])
3788 AC_DEFINE(PTY_NAME_SPRINTF, [])
3789 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3792 dnl FIXME? Maybe use same as freebsd - see bug#12040.
3794 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3795 dnl Not used, because PTY_ITERATION is defined.
3796 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3797 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
3798 dnl But we don't have to block SIGCHLD because it is blocked in the
3799 dnl implementation of grantpt.
3800 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
3801 AC_DEFINE(PTY_NAME_SPRINTF, [])
3802 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3806 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3809 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
3811 if test "x$ac_cv_func_grantpt" = xyes; then
3812 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
3813 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3814 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
3815 dnl to prevent sigchld_handler from intercepting the child's death.
3816 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); }])
3817 dnl if HAVE_POSIX_OPENPT
3818 if test "x$ac_cv_func_posix_openpt" = xyes; then
3819 AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
3820 AC_DEFINE(PTY_NAME_SPRINTF, [])
3822 elif test "x$ac_cv_func_getpt" = xyes; then
3823 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
3824 AC_DEFINE(PTY_NAME_SPRINTF, [])
3826 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3829 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3834 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3835 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
3836 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
3840 dnl It looks like this cannot be right, because it is not a loop.
3841 dnl However, process.c actually does this:
3847 dnl which presumably makes it OK, since irix == sgi (?).
3848 dnl FIXME it seems like this special treatment is unnecessary?
3849 dnl Why can't irix use a single-trip loop like eg cygwin?
3850 AC_DEFINE(PTY_ITERATION, [])
3851 dnl Not used, because PTY_ITERATION is defined.
3852 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
3853 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); }])
3854 dnl No need to get the pty name at all.
3855 AC_DEFINE(PTY_NAME_SPRINTF, [])
3856 dnl No need to use sprintf to get the tty name--we get that from _getpty.
3857 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3861 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
3862 dnl from intercepting that death. If any child but grantpt's should die
3863 dnl within, it should be caught after sigrelse(2).
3864 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); }])
3868 dnl Comments are as per sol2*.
3869 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); }])
3876 dnl This change means that we don't loop through allocate_pty too
3877 dnl many times in the (rare) event of a failure.
3878 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
3879 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3880 dnl Push various streams modules onto a PTY channel. Used in process.c.
3881 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.])
3886 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
3887 "typing" a signal character on the pty.])
3890 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
3891 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
3892 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
3893 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3896 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
3897 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
3898 gnu-linux | gnu-kfreebsd )
3900 AC_MSG_CHECKING([for signals via characters])
3901 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3902 #include <linux/version.h>
3903 #if LINUX_VERSION_CODE < 0x20400
3904 # error "Linux version too old"
3906 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
3908 AC_MSG_RESULT([$emacs_signals_via_chars])
3909 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3914 dnl Used in lisp.h, emacs.c, vm-limit.c
3915 dnl NEWS.18 describes this as "a number which contains
3916 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
3917 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
3918 stored in a Lisp_Object.])
3919 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
3923 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
3924 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
3927 dnl The data segment on this machine always starts at address 0x40000000.
3928 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
3931 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
3936 AH_TEMPLATE(TAB3, [Undocumented.])
3939 darwin) AC_DEFINE(TAB3, OXTABS) ;;
3941 gnu | dragonfly | freebsd | netbsd | openbsd )
3942 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
3943 AC_DEFINE(TAB3, OXTABS)
3946 gnu-linux | gnu-kfreebsd )
3947 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3951 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
3952 [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)],
3953 [Mark a secondary stack, like the register stack on the ia64.]), [])
3957 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
3958 run_time_remap; for HPUX.])
3963 dnl This won't be used automatically yet. We also need to know, at least,
3964 dnl that the stack is continuous.
3965 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
3966 registers relevant for conservative garbage collection in the jmp_buf.])
3970 dnl Not all the architectures are tested, but there are Debian packages
3971 dnl for SCM and/or Guile on them, so the technique must work. See also
3972 dnl comments in alloc.c concerning setjmp and gcc.
3973 dnl Fixme: it's probably safe to just use the GCC conditional below.
3974 gnu-linux | gnu-kfreebsd )
3975 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3976 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
3977 || defined __alpha__ || defined __mips__ || defined __s390__ \
3978 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
3979 || defined __ia64__ || defined __sh__
3982 # error "setjmp not known to work on this arch"
3984 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
3989 if test x$GCC = xyes; then
3990 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
3991 AC_DEFINE(GC_SETJMP_WORKS, 1)
3994 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
3995 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
3996 AC_DEFINE(GC_SETJMP_WORKS, 1)
4001 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4002 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4005 [[#include <setjmp.h>
4007 # define _longjmp longjmp
4012 _longjmp (j, 1);]])],
4013 [emacs_cv_func__setjmp=yes],
4014 [emacs_cv_func__setjmp=no])])
4015 if test $emacs_cv_func__setjmp = yes; then
4016 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4018 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4021 [[#include <setjmp.h>
4024 if (! sigsetjmp (j, 1))
4025 siglongjmp (j, 1);]])],
4026 [emacs_cv_func_sigsetjmp=yes],
4027 [emacs_cv_func_sigsetjmp=no])])
4028 if test $emacs_cv_func_sigsetjmp = yes; then
4029 AC_DEFINE([HAVE_SIGSETJMP], 1,
4030 [Define to 1 if sigsetjmp and siglongjmp work.
4031 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4037 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4038 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4039 dnl and this is all we need.
4040 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4047 dnl Used in xfaces.c.
4048 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4049 some systems, where it requires time.h.])
4054 dnl Define symbols to identify the version of Unix this is.
4055 dnl Define all the symbols that apply correctly.
4056 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4057 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4058 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4059 AH_TEMPLATE(USG5, [Define if the system is compatible with System V.])
4060 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4066 dnl This symbol should be defined on AIX Version 3 ???????
4067 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4069 # error "_AIX not defined"
4071 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4075 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4079 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4080 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4081 dnl distinguish OS X from pure Darwin.
4082 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4085 gnu-linux | gnu-kfreebsd )
4087 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4093 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4099 AC_DEFINE(USG5_4, [])
4100 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4104 AC_DEFINE(DOS_NT, [])
4105 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4106 if test "x$ac_enable_checking" != "x" ; then
4107 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4114 AC_DEFINE(USG5_4, [])
4115 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4121 AC_DEFINE(USG5_4, [])
4125 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4128 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4129 emacs_cv_usable_FIONREAD=no
4133 emacs_cv_usable_FIONREAD=yes
4138 [AC_LANG_PROGRAM([[#include <sys/types.h>
4139 #include <sys/ioctl.h>
4141 # include <sys/filio.h>
4144 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4145 [emacs_cv_usable_FIONREAD=yes],
4146 [emacs_cv_usable_FIONREAD=no])
4149 if test $emacs_cv_usable_FIONREAD = yes; then
4150 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4152 if test $emacs_broken_SIGIO = no; then
4153 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4155 [AC_LANG_PROGRAM([[#include <fcntl.h>
4158 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4159 [emacs_cv_usable_SIGIO=yes],
4160 [emacs_cv_usable_SIGIO=no])],
4161 [emacs_cv_usable_SIGIO=yes],
4162 [emacs_cv_usable_SIGIO=no])
4163 if test $emacs_cv_usable_SIGIO = yes; then
4164 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4171 dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls
4172 dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
4173 dnl As malloc is not the Cygwin malloc, the Cygwin memalign always
4174 dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
4176 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4177 G_SLICE environment variable to "always-malloc" at startup, if
4182 dnl It works to open the pty's tty in the parent (Emacs), then
4183 dnl close and reopen it in the child.
4184 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4185 works to open a pty's tty in the parent process, then close and
4186 reopen it in the child.])
4190 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4191 use VSUSP instead of VSWTCH.])
4195 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4200 # Set up the CFLAGS for real compilation, so we can substitute it.
4201 CFLAGS="$REAL_CFLAGS"
4202 CPPFLAGS="$REAL_CPPFLAGS"
4204 ## Hack to detect a buggy GCC version.
4205 if test "x$GCC" = xyes \
4206 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4207 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4208 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4209 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4212 version=$PACKAGE_VERSION
4214 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4215 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4216 [Short copyright string for this version of Emacs.])
4219 ### Specify what sort of things we'll be editing into Makefile and config.h.
4220 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4222 AC_SUBST(configuration)
4227 AC_SUBST(exec_prefix)
4230 AC_SUBST(sharedstatedir)
4231 AC_SUBST(libexecdir)
4236 AC_SUBST(standardlisppath)
4237 AC_SUBST(locallisppath)
4239 AC_SUBST(x_default_search_path)
4241 AC_SUBST(archlibdir)
4246 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4247 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4248 ## end of LIBX_BASE, but nothing ever set it.
4249 AC_SUBST(LD_SWITCH_X_SITE)
4250 AC_SUBST(C_SWITCH_X_SITE)
4251 AC_SUBST(GNUSTEP_CFLAGS)
4253 ## Used in lwlib/Makefile.in.
4254 AC_SUBST(X_TOOLKIT_TYPE)
4256 AC_SUBST(ns_appbindir)
4257 AC_SUBST(ns_appresdir)
4259 AC_SUBST(GNU_OBJC_CFLAGS)
4260 AC_SUBST(OTHER_FILES)
4262 if test -n "${term_header}"; then
4263 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4264 [Define to the header for the built-in window system.])
4267 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4268 [Define to the canonical Emacs configuration name.])
4269 dnl Replace any embedded " characters (bug#13274).
4270 emacs_config_options=`echo "$emacs_config_options " | sed -e 's/--no-create //' -e 's/--no-recursion //' -e 's/ *$//' -e "s/\"/'/g"`
4271 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4272 [Define to the options passed to configure.])
4273 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4274 define this to include extra configuration information.])
4278 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4285 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4286 AC_DEFINE(HAVE_X_WINDOWS, 1,
4287 [Define to 1 if you want to use the X window system.])
4289 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
4291 if test "$HAVE_XFT" = "yes"; then
4292 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4293 elif test "$HAVE_FREETYPE" = "yes"; then
4294 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4304 if test "${USE_X_TOOLKIT}" != "none" ; then
4306 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4307 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4308 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4309 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4310 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4314 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4315 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4319 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4320 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4321 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4325 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4326 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4329 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4332 AC_SUBST(WIDGET_OBJ)
4335 case "$USE_X_TOOLKIT" in
4336 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4337 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4338 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4340 AC_SUBST(TOOLKIT_LIBW)
4342 if test "${opsys}" != "mingw32"; then
4343 if test "$USE_X_TOOLKIT" = "none"; then
4344 LIBXT_OTHER="\$(LIBXSM)"
4345 OLDXMENU_TARGET="really-oldXMenu"
4347 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4348 OLDXMENU_TARGET="really-lwlib"
4351 AC_SUBST(LIBXT_OTHER)
4353 ## The X Menu stuff is present in the X10 distribution, but missing
4354 ## from X11. If we have X10, just use the installed library;
4355 ## otherwise, use our own copy.
4356 if test "${HAVE_X11}" = "yes" ; then
4357 AC_DEFINE(HAVE_X11, 1,
4358 [Define to 1 if you want to use version 11 of X windows.
4359 Otherwise, Emacs expects to use version 10.])
4361 if test "$USE_X_TOOLKIT" = "none"; then
4362 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4364 OLDXMENU="\${lwlibdir}/liblw.a"
4366 LIBXMENU="\$(OLDXMENU)"
4367 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4368 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4370 ## For a syntactically valid Makefile; not actually used for anything.
4371 ## See comments in src/Makefile.in.
4373 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4374 if test "${HAVE_X_WINDOWS}" = "yes"; then
4383 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4390 AC_SUBST(OLDXMENU_TARGET)
4393 AC_SUBST(LIBX_OTHER)
4394 AC_SUBST(OLDXMENU_DEPS)
4396 if test "${HAVE_MENUS}" = "yes" ; then
4397 AC_DEFINE(HAVE_MENUS, 1,
4398 [Define to 1 if you have mouse menus.
4399 (This is automatic if you use X, but the option to specify it remains.)
4400 It is also defined with other window systems that support xmenu.c.])
4403 if test "${GNU_MALLOC}" = "yes" ; then
4404 AC_DEFINE(GNU_MALLOC, 1,
4405 [Define to 1 if you want to use the GNU memory allocator.])
4409 if test "${REL_ALLOC}" = "yes" ; then
4410 AC_DEFINE(REL_ALLOC, 1,
4411 [Define REL_ALLOC if you want to use the relocating allocator for
4414 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4416 AC_SUBST(RALLOC_OBJ)
4418 if test "$opsys" = "cygwin"; then
4419 CYGWIN_OBJ="sheap.o cygw32.o"
4420 ## Cygwin differs because of its unexec().
4422 POST_ALLOC_OBJ=lastfile.o
4423 elif test "$opsys" = "mingw32"; then
4426 POST_ALLOC_OBJ=lastfile.o
4429 PRE_ALLOC_OBJ=lastfile.o
4432 AC_SUBST(CYGWIN_OBJ)
4433 AC_SUBST(PRE_ALLOC_OBJ)
4434 AC_SUBST(POST_ALLOC_OBJ)
4436 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4437 # it temporarily reverts them to their pre-pkg-config values,
4438 # because gnulib needs to work with both src (which uses the
4439 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4440 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4441 # and it therefore needs to run in an environment where LIBS does not
4442 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4443 # for some package unrelated to lib-src.
4446 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4447 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4448 gl_ASSERT_NO_GNULIB_POSIXCHECK
4449 gl_ASSERT_NO_GNULIB_TESTS
4454 if test "${opsys}" = "mingw32"; then
4455 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I $srcdir/nt/inc"
4456 # Remove unneeded switches from the value of CC that goes to Makefiles
4457 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4461 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4464 ## The -headerpad option tells ld (see man page) to leave room at the
4465 ## end of the header for adding load commands. Needed for dumping.
4466 ## 0x690 is the total size of 30 segment load commands (at 56
4467 ## each); under Cocoa 31 commands are required.
4468 if test "$HAVE_NS" = "yes"; then
4469 libs_nsgui="-framework AppKit"
4475 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4477 ## This is here because src/Makefile.in did some extra fiddling around
4478 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4479 ## LD_SWITCH_SYSTEM_TEMACS instead,
4480 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4481 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4484 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4485 ## find X at run-time.
4486 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4487 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4488 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4489 ## had different values in configure (in ac_link) and src/Makefile.in.
4490 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4491 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4494 case "$canonical" in
4495 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4496 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4500 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4503 if test x$ac_enable_profiling != x ; then
4505 *freebsd | gnu-linux) ;;
4506 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4510 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4512 ## MinGW-specific post-link processing of temacs.
4513 TEMACS_POST_LINK=":"
4516 if test "${opsys}" = "mingw32"; then
4517 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4518 ADDSECTION="../nt/addsection\$(EXEEXT)"
4519 ## Preload heap size of temacs.exe in MB.
4520 case "$canonical" in
4521 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4522 *) EMACS_HEAPSIZE=27 ;;
4526 AC_SUBST(ADDSECTION)
4527 AC_SUBST(TEMACS_POST_LINK)
4528 AC_SUBST(EMACS_HEAPSIZE)
4530 ## Common for all window systems
4531 if test "$window_system" != "none"; then
4532 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4533 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4536 AC_SUBST(WINDOW_SYSTEM_OBJ)
4538 AH_TOP([/* GNU Emacs site configuration template file.
4540 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4541 Free Software Foundation, Inc.
4543 This file is part of GNU Emacs.
4545 GNU Emacs is free software: you can redistribute it and/or modify
4546 it under the terms of the GNU General Public License as published by
4547 the Free Software Foundation, either version 3 of the License, or
4548 (at your option) any later version.
4550 GNU Emacs is distributed in the hope that it will be useful,
4551 but WITHOUT ANY WARRANTY; without even the implied warranty of
4552 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4553 GNU General Public License for more details.
4555 You should have received a copy of the GNU General Public License
4556 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4559 /* No code in Emacs #includes config.h twice, but some bits of code
4560 intended to work with other packages as well (like gmalloc.c)
4561 think they can include it as many times as they like. */
4562 #ifndef EMACS_CONFIG_H
4563 #define EMACS_CONFIG_H
4566 AH_BOTTOM([#include <conf_post.h>
4568 #endif /* EMACS_CONFIG_H */
4577 #### Report on what we decided to do.
4578 #### Report GTK as a toolkit, even if it doesn't use Xt.
4579 #### It makes printing result more understandable as using GTK sets
4580 #### toolkit_scroll_bars to yes by default.
4581 if test "${HAVE_GTK}" = "yes"; then
4582 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4586 Configured for \`${canonical}'.
4588 Where should the build process find the source code? ${srcdir}
4589 What compiler should emacs be built with? ${CC} ${CFLAGS}
4590 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4591 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4592 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4593 What window system should Emacs use? ${window_system}
4594 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4596 if test -n "${x_includes}"; then
4597 echo " Where do we find X Windows header files? ${x_includes}"
4599 echo " Where do we find X Windows header files? Standard dirs"
4601 if test -n "${x_libraries}"; then
4602 echo " Where do we find X Windows libraries? ${x_libraries}"
4604 echo " Where do we find X Windows libraries? Standard dirs"
4607 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4608 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4609 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4610 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4611 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4612 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4613 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4614 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4616 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4617 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4618 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4619 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4620 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4621 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4622 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4624 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4625 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4626 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4627 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4629 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4632 if test -n "${EMACSDATA}"; then
4633 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4635 if test -n "${EMACSDOC}"; then
4636 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4641 if test "$HAVE_NS" = "yes"; then
4643 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4644 The installed application will go to nextstep/Emacs.app and can be
4645 run or moved from there."
4646 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4647 echo "The application will be fully self-contained."
4649 echo "The lisp resources for the application will be installed under ${prefix}.
4650 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4651 to run if these resources are not installed."
4656 if test "${opsys}" = "cygwin"; then
4658 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4664 # Remove any trailing slashes in these variables.
4665 [test "${prefix}" != NONE &&
4666 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4667 test "${exec_prefix}" != NONE &&
4668 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4670 if test "$HAVE_NS" = "yes"; then
4671 if test "$NS_IMPL_GNUSTEP" = yes; then
4672 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4673 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4675 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4676 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4680 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4681 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4682 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4683 dnl (else you get "no `Makefile.am' found for any configure output").
4684 dnl This will work, but you get a config.status that is not quite right
4685 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4686 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4687 dnl it seems better to just live with the duplication.
4688 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
4690 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4691 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4692 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4693 leim/Makefile nextstep/Makefile nt/Makefile])
4695 dnl test/ is not present in release tarfiles.
4696 opt_makefile=test/automated/Makefile
4698 if test -f "$srcdir/$opt_makefile.in"; then
4699 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4700 dnl Again, it's best not to use a variable. Though you can add
4701 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4702 AC_CONFIG_FILES([test/automated/Makefile])
4706 dnl admin/ may or may not be present.
4707 opt_makefile=admin/unidata/Makefile
4709 if test -f "$srcdir/$opt_makefile.in"; then
4710 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4711 AC_CONFIG_FILES([admin/unidata/Makefile])
4715 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4717 AC_SUBST(SUBDIR_MAKEFILES_IN)
4719 dnl Make the necessary directories, if they don't exist.
4720 AC_CONFIG_COMMANDS([mkdirs], [
4721 for dir in etc lisp ; do
4722 test -d ${dir} || mkdir ${dir}
4726 dnl You might wonder (I did) why epaths.h is generated by running make,
4727 dnl rather than just letting configure generate it from epaths.in.
4728 dnl One reason is that the various paths are not fully expanded (see above);
4729 dnl eg gamedir=${prefix}/var/games/emacs.
4730 dnl Secondly, the GNU Coding standards require that one should be able
4731 dnl to run `make prefix=/some/where/else' and override the values set
4732 dnl by configure. This also explains the `move-if-change' test and
4733 dnl the use of force in the `epaths-force' rule in Makefile.in.
4734 AC_CONFIG_COMMANDS([epaths], [
4735 echo creating src/epaths.h
4736 if test "${opsys}" = "mingw32"; then
4737 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
4739 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4741 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
4743 AC_CONFIG_COMMANDS([gdbinit], [
4744 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
4745 echo creating src/.gdbinit
4746 echo "source $srcdir/src/.gdbinit" > src/.gdbinit