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 "${canonical}" in
432 ## GNU/Linux and similar ports
442 ## FreeBSD kernel + glibc based userland
457 ## Apple Darwin / Mac OS X
459 case "${canonical}" in
466 ## Use fink packages if available.
467 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
468 ## if test -d /sw/include && test -d /sw/lib; then
469 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
470 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
479 ## HP 9000 series 700 and 800, running HP/UX
483 hppa*-hp-hpux1[1-9]* )
485 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
489 rs6000-ibm-aix4.[23]* )
492 powerpc-ibm-aix4.[23]* )
495 rs6000-ibm-aix[56]* )
498 powerpc-ibm-aix[56]* )
502 ## Silicon Graphics machines
506 # Without defining _LANGUAGE_C, things get masked out in the headers
507 # so that, for instance, grepping for `free' in stdlib.h fails and
508 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
509 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
514 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
515 | x86_64-*-solaris2* | x86_64-*-sunos5*)
516 case "${canonical}" in
518 amd64-*-*|x86_64-*-*) ;;
522 case "${canonical}" in
523 *-sunos5.6* | *-solaris2.6* )
527 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
529 emacs_check_sunpro_c=yes
531 *-sunos5* | *-solaris* )
533 emacs_check_sunpro_c=yes
536 ## Watch out for a compiler that we know will not work.
537 case "${canonical}" in
538 *-solaris* | *-sunos5* )
539 if [ "x$CC" = x/usr/ucb/cc ]; then
540 ## /usr/ucb/cc doesn't work;
541 ## we should find some other compiler that does work.
549 ## Intel 386 machines where we don't care about the manufacturer.
551 case "${canonical}" in
552 *-darwin* ) opsys=darwin ;;
555 # MinGW overrides and adds some system headers in nt/inc.
556 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
558 *-sysv4.2uw* ) opsys=unixware ;;
559 *-sysv5uw* ) opsys=unixware ;;
560 *-sysv5OpenUNIX* ) opsys=unixware ;;
561 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
570 ### If the code above didn't choose an operating system, just choose
571 ### an operating system based on the configuration name. You really
572 ### only want to use this when you have no idea what the right
573 ### operating system is; if you know what operating systems a machine
574 ### runs, it's cleaner to make it explicit in the case statement
576 if test x"${opsys}" = x; then
577 case "${canonical}" in
578 *-gnu* ) opsys=gnu ;;
588 if test $unported = yes; then
589 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
590 Check `etc/MACHINES' for recognized configuration names.])
594 #### Choose a compiler.
596 dnl Sets GCC=yes if using gcc.
600 if test x$GCC = xyes; then
601 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
603 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
606 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
607 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
608 dnl that clash with MinGW.
609 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
611 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
612 # as we don't use them.
613 AC_DEFUN([gl_FCNTL_O_FLAGS])
614 # Avoid gnulib's threadlib module, as we do threads our own way.
615 AC_DEFUN([gl_THREADLIB])
617 # Initialize gnulib right after choosing the compiler.
618 dnl Amongst other things, this sets AR and ARFLAGS.
621 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
622 # if -g3 works and the user does not specify CFLAGS.
623 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
624 if test "$ac_test_CFLAGS" != set; then
627 emacs_g3_CFLAGS='-g3';;
629 emacs_g3_CFLAGS='-g3 -O2';;
633 if test -n "$emacs_g3_CFLAGS"; then
634 emacs_save_CFLAGS=$CFLAGS
635 CFLAGS=$emacs_g3_CFLAGS
636 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
637 [emacs_cv_prog_cc_g3],
638 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
639 [emacs_cv_prog_cc_g3=yes],
640 [emacs_cv_prog_cc_g3=no])])
641 if test $emacs_cv_prog_cc_g3 = yes; then
642 CFLAGS=$emacs_g3_CFLAGS
644 CFLAGS=$emacs_save_CFLAGS
646 if test $opsys = mingw32; then
647 CFLAGS="$CFLAGS -gdwarf-2"
652 AC_ARG_ENABLE([gcc-warnings],
653 [AS_HELP_STRING([--enable-gcc-warnings],
654 [turn on lots of GCC warnings/errors. This is intended for
655 developers, and may generate false alarms when used
656 with older or non-GNU development tools.])],
659 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
661 gl_gcc_warnings=$enableval],
665 AC_ARG_ENABLE(link-time-optimization,
666 [AS_HELP_STRING([--enable-link-time-optimization],
667 [build emacs with link-time optimization.
668 This is supported only for GCC since 4.5.0.])],
669 if test "${enableval}" != "no"; then
670 AC_MSG_CHECKING([whether link-time optimization is supported])
672 if test x$GCC = xyes; then
673 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
674 if test x$CPUS != x; then
680 CFLAGS="$CFLAGS $LTO"
681 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
682 [ac_lto_supported=yes], [ac_lto_supported=no])
685 AC_MSG_RESULT([$ac_lto_supported])
686 if test "$ac_lto_supported" = "yes"; then
687 CFLAGS="$CFLAGS $LTO"
691 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
692 # ------------------------------------------------
693 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
694 # Otherwise, run RUN-IF-NOT-FOUND.
695 AC_DEFUN([gl_GCC_VERSION_IFELSE],
699 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
702 # error "your version of gcc is older than $1.$2"
709 # When compiling with GCC, prefer -isystem to -I when including system
710 # include files, to avoid generating useless diagnostics for the files.
711 if test "$gl_gcc_warnings" != yes; then
716 # This, $nw, is the list of warnings we disable.
719 case $with_x_toolkit in
720 lucid | athena | motif)
721 # Old toolkits mishandle 'const'.
722 nw="$nw -Wwrite-strings"
725 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
728 AC_SUBST([WERROR_CFLAGS])
730 nw="$nw -Waggregate-return" # anachronistic
731 nw="$nw -Wlong-long" # C90 is anachronistic
732 nw="$nw -Wc++-compat" # We don't care about C++ compilers
733 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
734 nw="$nw -Wtraditional" # Warns on #elif which we use often
735 nw="$nw -Wcast-qual" # Too many warnings for now
736 nw="$nw -Wconversion" # Too many warnings for now
737 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
738 nw="$nw -Wsign-conversion" # Too many warnings for now
739 nw="$nw -Woverlength-strings" # Not a problem these days
740 nw="$nw -Wtraditional-conversion" # Too many warnings for now
741 nw="$nw -Wunreachable-code" # so buggy that it's now silently ignored
742 nw="$nw -Wpadded" # Our structs are not padded
743 nw="$nw -Wredundant-decls" # we regularly (re)declare functions
744 nw="$nw -Wlogical-op" # any use of fwrite provokes this
745 nw="$nw -Wformat-nonliteral" # we do this a lot
746 nw="$nw -Wvla" # warnings in gettext.h
747 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
748 nw="$nw -Wswitch-enum" # Too many warnings for now
749 nw="$nw -Wswitch-default" # Too many warnings for now
750 nw="$nw -Wfloat-equal" # warns about high-quality code
751 nw="$nw -Winline" # OK to ignore 'inline'
752 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
753 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
754 # signed overflow has undefined behavior
755 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
756 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
758 # Emacs doesn't care about shadowing; see
759 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
762 # Emacs's use of alloca inhibits protecting the stack.
763 nw="$nw -Wstack-protector"
765 # The following line should be removable at some point.
766 nw="$nw -Wsuggest-attribute=pure"
768 gl_MANYWARN_ALL_GCC([ws])
769 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
773 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
774 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
775 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
776 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
777 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
778 gl_WARN_ADD([-Wno-format-nonliteral])
780 # In spite of excluding -Wlogical-op above, it is enabled, as of
781 # gcc 4.5.0 20090517.
782 gl_WARN_ADD([-Wno-logical-op])
784 gl_WARN_ADD([-fdiagnostics-show-option])
785 gl_WARN_ADD([-funit-at-a-time])
787 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
788 AH_VERBATIM([FORTIFY_SOURCE],
789 [/* Enable compile-time and run-time bounds-checking, and some warnings,
790 without upsetting glibc 2.15+. */
791 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
792 # define _FORTIFY_SOURCE 2
795 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
797 # We use a slightly smaller set of warning options for lib/.
798 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
800 nw="$nw -Wunused-macros"
802 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
803 AC_SUBST([GNULIB_WARN_CFLAGS])
808 dnl Some other nice autoconf tests.
809 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
812 dnl if test "x$RANLIB" = x; then
817 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
818 dnl can be made to directories. This is not relevant for our usage, and
819 dnl excludes some cases that work fine for us. Eg MS Windows or files
820 dnl hosted on AFS, both examples where simple links work, but links to
821 dnl directories fail. We use a cut-down version instead.
824 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
825 rm -f conf$$ conf$$.file
827 LN_S_FILEONLY='cp -p'
829 if (echo >conf$$.file) 2>/dev/null; then
830 if ln -s conf$$.file conf$$ 2>/dev/null; then
831 LN_S_FILEONLY='ln -s'
832 elif ln conf$$.file conf$$ 2>/dev/null; then
837 rm -f conf$$ conf$$.file
839 if test "$LN_S_FILEONLY" = "ln -s"; then
842 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
845 AC_SUBST(LN_S_FILEONLY)
848 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
849 dnl doesn't support links to directories, as in "ln file dir". But that
850 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
851 dnl executables at "make install" time.
852 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
853 dnl for more details.
854 if test "$opsys" = "mingw32"; then
858 AC_PATH_PROG(INSTALL_INFO, install-info, :,
859 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
860 dnl Don't use GZIP, which is used by gzip for additional parameters.
861 AC_PATH_PROG(GZIP_PROG, gzip)
863 if test $opsys = gnu-linux; then
864 AC_PATH_PROG(PAXCTL, paxctl,,
865 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
866 if test "X$PAXCTL" != X; then
867 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
868 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
869 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
870 else AC_MSG_RESULT(no); PAXCTL=""; fi])
874 ## Need makeinfo >= 4.7 (?) to build the manuals.
875 AC_PATH_PROG(MAKEINFO, makeinfo, no)
876 dnl By this stage, configure has already checked for egrep and set EGREP,
877 dnl or exited with an error if no egrep was found.
878 if test "$MAKEINFO" != "no"; then
880 $MAKEINFO --version 2> /dev/null |
881 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
887 ## Makeinfo is unusual. For a released Emacs, the manuals are
888 ## pre-built, and not deleted by the normal clean rules. makeinfo is
889 ## therefore in the category of "special tools" not normally required, which
890 ## configure does not have to check for (eg autoconf itself).
891 ## In a Bazaar checkout on the other hand, the manuals are not included.
892 ## So makeinfo is a requirement to build from Bazaar, and configure
893 ## should test for it as it does for any other build requirement.
894 ## We use the presence of $srcdir/info/emacs to distinguish a release,
895 ## with pre-built manuals, from a Bazaar checkout.
898 if test "$MAKEINFO" = "no"; then
900 if test "x${with_makeinfo}" = "xno"; then
902 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
903 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
904 source tree does not seem to have pre-built manuals in the `info' directory.
905 Either install a suitable version of makeinfo, or re-run configure
906 with the `--without-makeinfo' option to build without the manuals.] )
909 AC_SUBST(HAVE_MAKEINFO)
911 dnl Just so that there is only a single place we need to edit.
917 dnl Add our options to ac_link now, after it is set up.
919 if test x$GCC = xyes; then
920 test "x$GCC_LINK_TEST_OPTIONS" != x && \
921 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
923 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
924 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
927 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
928 dnl If we can link with the flag, it shouldn't do any harm anyhow.
929 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
930 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
931 dnl if not built to support GNU ld.
933 late_LDFLAGS=$LDFLAGS
934 if test x$GCC = xyes; then
935 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
937 LDFLAGS="$LDFLAGS -znocombreloc"
940 AC_MSG_CHECKING([for -znocombreloc])
941 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
942 [AC_MSG_RESULT(yes)],
943 LDFLAGS=$late_LDFLAGS
947 dnl The function dump-emacs will not be defined and temacs will do
948 dnl (load "loadup") automatically unless told otherwise.
949 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
951 your-opsys-here) CANNOT_DUMP=yes ;;
954 test "$CANNOT_DUMP" = "yes" && \
955 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
957 AC_SUBST(CANNOT_DUMP)
962 # MSDOS uses unexcoff.o
970 UNEXEC_OBJ=unexmacosx.o
973 UNEXEC_OBJ=unexhp9k800.o
979 # Use the Solaris dldump() function, called from unexsol.c, to dump
980 # emacs, instead of the generic ELF dump code found in unexelf.c.
981 # The resulting binary has a complete symbol table, and is better
982 # for debugging and other observability tools (debuggers, pstack, etc).
984 # If you encounter a problem using dldump(), please consider sending
985 # a message to the OpenSolaris tools-linking mailing list:
986 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
988 # It is likely that dldump() works with older Solaris too, but this has
989 # not been tested, so for now this change is for Solaris 10 or newer.
997 ## Let `ld' find image libs and similar things in /usr/local/lib.
998 ## The system compiler, GCC, has apparently been modified to not
999 ## look there, contrary to what a stock GCC would do.
1000 ### It's not our place to do this. See bug#10313#17.
1001 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1006 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1007 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1011 ### It's not our place to do this. See bug#10313#17.
1012 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1017 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
1018 ## otherwise Emacs dumps core on elf systems.
1019 LD_SWITCH_SYSTEM="-Z"
1022 AC_SUBST(LD_SWITCH_SYSTEM)
1024 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1026 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1027 ## which has not been defined yet. When this was handled with cpp,
1028 ## it was expanded to null when configure sourced the s/*.h file.
1029 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1030 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1031 ## (or somesuch), but because it is supposed to go at the _front_
1032 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1033 ## Compare with the gnu-linux case below, which added to the end
1034 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1035 ## LD_SWITCH_SYSTEM_TEMACS.
1038 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1045 AC_CHECK_DECL([__ELF__])
1046 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1047 ## With ELF, make sure that all common symbols get allocated to in the
1048 ## data section. Otherwise, the dump of temacs may miss variables in
1049 ## the shared library that have been initialized. For example, with
1050 ## GNU libc, __malloc_initialized would normally be resolved to the
1051 ## shared library's .bss section, which is fatal.
1052 if test "x$GCC" = "xyes"; then
1053 C_SWITCH_MACHINE="-fno-common"
1055 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
1058 UNEXEC_OBJ=unexalpha.o
1062 AC_SUBST(C_SWITCH_MACHINE)
1064 AC_SUBST(UNEXEC_OBJ)
1067 ## Some programs in src produce warnings saying certain subprograms
1068 ## are too complex and need a MAXMEM value greater than 2000 for
1069 ## additional optimization. --nils@exp-math.uni-essen.de
1070 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1071 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1072 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1073 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1074 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1075 AC_SUBST(C_SWITCH_SYSTEM)
1080 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1081 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1083 freebsd) LIBS_SYSTEM="-lutil" ;;
1085 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1087 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1089 ## Motif needs -lgen.
1090 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1093 AC_SUBST(LIBS_SYSTEM)
1095 ### Make sure subsequent tests use flags consistent with the build flags.
1097 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1098 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1100 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1103 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1104 AC_DEFUN([AC_TYPE_SIZE_T])
1105 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1106 AC_DEFUN([AC_TYPE_UID_T])
1110 dnl Current possibilities handled by sed (aix4-2 -> aix,
1111 dnl gnu-linux -> gnu/linux, etc.):
1112 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1113 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1114 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1121 ## Adding -lm confuses the dynamic linker, so omit it.
1125 SYSTEM_TYPE=berkeley-unix
1127 gnu-linux | gnu-kfreebsd )
1129 hpux10-20 | hpux11 )
1133 SYSTEM_TYPE=windows-nt
1135 dnl NB this may be adjusted below.
1137 SYSTEM_TYPE=berkeley-unix
1141 SYSTEM_TYPE=usg-unix-v
1147 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1148 [The type of system you are compiling for; sets `system-type'.])
1151 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1152 pre_PKG_CONFIG_LIBS=$LIBS
1154 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1156 dnl This function definition taken from Gnome 2.0
1157 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1158 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1159 dnl also defines GSTUFF_PKG_ERRORS on error
1160 AC_DEFUN([PKG_CHECK_MODULES], [
1163 if test "$PKG_CONFIG" = "no" ; then
1164 ifelse([$4], , [AC_MSG_ERROR([
1165 *** 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])
1167 PKG_CONFIG_MIN_VERSION=0.9.0
1168 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1169 AC_MSG_CHECKING(for $2)
1171 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1172 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1173 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1180 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1181 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1182 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1188 ## If we have a custom action on failure, don't print errors, but
1189 ## do set a variable so people can do so. Do it in a subshell
1190 ## to capture any diagnostics in invoking pkg-config.
1191 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1192 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1198 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1199 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1203 if test $succeeded = yes; then
1204 ifelse([$3], , :, [$3])
1206 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.])], [$4])
1210 if test "${with_sound}" != "no"; then
1211 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1212 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h,
1213 have_sound_header=yes, [], [
1215 #define WIN32_LEAN_AND_MEAN
1216 #include <windows.h>
1219 # Emulation library used on NetBSD.
1220 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1224 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1225 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1226 if test $HAVE_ALSA = yes; then
1227 SAVE_CFLAGS="$CFLAGS"
1229 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1230 LIBS="$ALSA_LIBS $LIBS"
1231 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1232 emacs_alsa_normal=yes,
1233 emacs_alsa_normal=no)
1234 if test "$emacs_alsa_normal" != yes; then
1235 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1236 [[snd_lib_error_set_handler (0);]])],
1237 emacs_alsa_subdir=yes,
1238 emacs_alsa_subdir=no)
1239 if test "$emacs_alsa_subdir" != yes; then
1240 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1242 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1245 CFLAGS="$SAVE_CFLAGS"
1247 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1248 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1249 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1252 dnl Define HAVE_SOUND if we have sound support. We know it works and
1253 dnl compiles only on the specified platforms. For others, it
1254 dnl probably doesn't make sense to try.
1255 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1257 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1258 gnu-linux|freebsd|netbsd|mingw32)
1259 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1264 AC_SUBST(CFLAGS_SOUND)
1267 dnl checks for header files
1268 AC_CHECK_HEADERS_ONCE(
1269 linux/version.h sys/systeminfo.h
1272 sys/utsname.h pwd.h utmp.h util.h)
1274 AC_MSG_CHECKING(if personality LINUX32 can be set)
1275 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1276 emacs_cv_personality_linux32=yes,
1277 emacs_cv_personality_linux32=no)
1278 AC_MSG_RESULT($emacs_cv_personality_linux32)
1280 if test $emacs_cv_personality_linux32 = yes; then
1281 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1282 [Define to 1 if personality LINUX32 can be set.])
1285 dnl On Solaris 8 there's a compilation warning for term.h because
1286 dnl it doesn't define `bool'.
1287 AC_CHECK_HEADERS(term.h, , , -)
1289 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1291 if test $ac_cv_have_decl_sys_siglist != yes; then
1292 # For Tru64, at least:
1293 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1295 if test $ac_cv_have_decl___sys_siglist = yes; then
1296 AC_DEFINE(sys_siglist, __sys_siglist,
1297 [Define to any substitute for sys_siglist.])
1302 dnl Check for speed_t typedef.
1303 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1304 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1305 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1306 if test $emacs_cv_speed_t = yes; then
1307 AC_DEFINE(HAVE_SPEED_T, 1,
1308 [Define to 1 if `speed_t' is declared by <termios.h>.])
1311 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1312 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1313 #if HAVE_SYS_SOCKET_H
1314 #include <sys/socket.h>
1316 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1317 #if HAVE_SYS_SOCKET_H
1318 #include <sys/socket.h>
1320 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1321 #if HAVE_SYS_SOCKET_H
1322 #include <sys/socket.h>
1325 dnl checks for structure members
1326 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1327 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1328 struct ifreq.ifr_addr,
1329 struct ifreq.ifr_addr.sa_len], , ,
1330 [AC_INCLUDES_DEFAULT
1331 #if HAVE_SYS_SOCKET_H
1332 #include <sys/socket.h>
1338 dnl Check for endianness.
1339 dnl AC_C_BIGENDIAN is done by gnulib.
1341 dnl check for Make feature
1342 dnl AC_PROG_MAKE_SET is done by Automake.
1347 dnl check for GNU Make if we have GCC and autodepend is on.
1348 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1349 AC_MSG_CHECKING([whether we are using GNU Make])
1351 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1352 if test "x$testval" != x; then
1355 ac_enable_autodepend=no
1357 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1358 if test $HAVE_GNU_MAKE = yes; then
1359 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1360 SAVE_CFLAGS="$CFLAGS"
1361 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1362 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1363 CFLAGS="$SAVE_CFLAGS"
1364 test -f deps.d || ac_enable_autodepend=no
1366 AC_MSG_RESULT([$ac_enable_autodepend])
1368 if test $ac_enable_autodepend = yes; then
1369 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1370 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1371 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1372 deps_frag=autodeps.mk
1375 deps_frag=$srcdir/src/$deps_frag
1378 AC_SUBST_FILE(deps_frag)
1381 lisp_frag=$srcdir/src/lisp.mk
1382 AC_SUBST_FILE(lisp_frag)
1385 dnl checks for operating system services
1386 AC_SYS_LONG_FILE_NAMES
1388 #### Choose a window system.
1390 ## We leave window_system equal to none if
1391 ## we end up building without one. Any new window system should
1392 ## set window_system to an appropriate value and add objects to
1393 ## window-system-specific substs.
1397 if test "$no_x" != yes; then
1401 LD_SWITCH_X_SITE_RPATH=
1402 if test "${x_libraries}" != NONE; then
1403 if test -n "${x_libraries}"; then
1404 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1405 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1407 x_default_search_path=""
1408 x_search_path=${x_libraries}
1409 if test -z "${x_search_path}"; then
1410 x_search_path=/usr/lib
1412 for x_library in `echo ${x_search_path}: | \
1413 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1415 ${x_library}/X11/%L/%T/%N%C%S:\
1416 ${x_library}/X11/%l/%T/%N%C%S:\
1417 ${x_library}/X11/%T/%N%C%S:\
1418 ${x_library}/X11/%L/%T/%N%S:\
1419 ${x_library}/X11/%l/%T/%N%S:\
1420 ${x_library}/X11/%T/%N%S"
1421 if test x"${x_default_search_path}" = x; then
1422 x_default_search_path=${x_search_path}
1424 x_default_search_path="${x_search_path}:${x_default_search_path}"
1428 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1430 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1431 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1434 if test x"${x_includes}" = x; then
1435 bitmapdir=/usr/include/X11/bitmaps
1437 # accumulate include directories that have X11 bitmap subdirectories
1439 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1440 if test -d "${bmd}/X11/bitmaps"; then
1441 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1443 if test -d "${bmd}/bitmaps"; then
1444 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1447 if test ${bmd_acc} != "dummyval"; then
1448 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1455 tmp_CPPFLAGS="$CPPFLAGS"
1456 tmp_CFLAGS="$CFLAGS"
1457 CPPFLAGS="$CPPFLAGS -x objective-c"
1458 CFLAGS="$CFLAGS -x objective-c"
1461 if test "${with_ns}" != no; then
1462 if test "${opsys}" = darwin; then
1464 ns_appdir=`pwd`/nextstep/Emacs.app
1465 ns_appbindir=${ns_appdir}/Contents/MacOS
1466 ns_appresdir=${ns_appdir}/Contents/Resources
1467 ns_appsrc=Cocoa/Emacs.base
1468 elif test -f $GNUSTEP_CONFIG_FILE; then
1470 ns_appdir=`pwd`/nextstep/Emacs.app
1471 ns_appbindir=${ns_appdir}
1472 ns_appresdir=${ns_appdir}/Resources
1473 ns_appsrc=GNUstep/Emacs.base
1474 dnl FIXME sourcing this several times in subshells seems inefficient.
1475 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1476 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1477 dnl I seemed to need these as well with GNUstep-startup 0.25.
1478 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1479 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1480 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1481 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1482 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1483 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1484 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1485 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1486 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1487 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1488 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1489 dnl If they had chosen to either define it or not, we could have
1490 dnl just used AC_CHECK_DECL here.
1491 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1492 emacs_cv_objc_exceptions,
1493 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1494 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1498 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1499 if test $emacs_cv_objc_exceptions = yes; then
1500 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1501 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1502 [Define if GNUstep uses ObjC exceptions.])
1503 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1507 dnl This is only used while we test the NS headers, it gets reset below.
1508 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1510 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1511 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1512 files are missing or cannot be compiled.])])
1514 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1516 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1517 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1520 #error "OSX 10.4 or newer required"
1524 ns_osx_have_104=yes,
1526 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1528 ns_have_nsinteger=yes,
1529 ns_have_nsinteger=no)
1530 if test $ns_osx_have_104 = no; then
1531 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1533 if test $ns_have_nsinteger = yes; then
1534 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1538 AC_SUBST(LIBS_GNUSTEP)
1540 INSTALL_ARCH_INDEP_EXTRA=install-etc
1541 ns_self_contained=no
1544 if test "${HAVE_NS}" = yes; then
1545 if test "$with_toolkit_scroll_bars" = "no"; then
1546 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1549 window_system=nextstep
1550 # set up packaging dirs
1551 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1552 ns_self_contained=yes
1553 prefix=${ns_appresdir}
1554 exec_prefix=${ns_appbindir}
1555 dnl This one isn't really used, only archlibdir is.
1556 libexecdir="\${ns_appbindir}/libexec"
1557 archlibdir="\${ns_appbindir}/libexec"
1558 docdir="\${ns_appresdir}/etc"
1559 etcdir="\${ns_appresdir}/etc"
1560 dnl FIXME maybe set datarootdir instead.
1561 dnl That would also get applications, icons, man.
1562 infodir="\${ns_appresdir}/info"
1563 mandir="\${ns_appresdir}/man"
1564 lispdir="\${ns_appresdir}/lisp"
1565 leimdir="\${ns_appresdir}/leim"
1566 INSTALL_ARCH_INDEP_EXTRA=
1568 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1570 CFLAGS="$tmp_CFLAGS"
1571 CPPFLAGS="$tmp_CPPFLAGS"
1572 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1573 AC_SUBST(ns_self_contained)
1575 AC_SUBST(NS_OBJC_OBJ)
1585 if test "${with_w32}" != no; then
1588 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1589 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1590 cannot be found.])])
1593 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1596 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1601 if test "${opsys}" = "mingw32"; then
1602 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1603 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1604 #include <windows.h>
1605 #include <usp10.h>]],
1606 [[void test(PIMAGE_NT_HEADERS pHeader)
1607 {PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader);}]])],
1608 [emacs_cv_w32api=yes
1611 AC_MSG_RESULT($emacs_cv_w32api)
1612 if test "${emacs_cv_w32api}" = "no"; then
1613 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1624 if test "${HAVE_W32}" = "yes"; then
1625 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1626 AC_CHECK_TOOL(WINDRES, [windres],
1627 [AC_MSG_ERROR([No resource compiler found.])])
1628 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1629 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1630 EMACSRES="emacs.res"
1631 case "$canonical" in
1632 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1633 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1635 if test "${opsys}" = "cygwin"; then
1636 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1637 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1638 # Tell the linker that emacs.res is an object (which we compile from
1639 # the rc file), not a linker script.
1640 W32_RES_LINK="-Wl,emacs.res"
1642 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1643 W32_OBJ="$W32_OBJ w32notify.o"
1644 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1645 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1646 W32_RES_LINK="\$(EMACSRES)"
1647 CLIENTRES="emacsclient.res"
1648 CLIENTW="emacsclientw\$(EXEEXT)"
1649 FIRSTFILE_OBJ=firstfile.o
1652 LIBS_ECLIENT="-lcomctl32"
1653 LIB_WSOCK32="-lwsock32"
1654 NTLIB="ntlib.$ac_objext"
1655 XARGS_LIMIT="-s 10000"
1661 AC_SUBST(EMACS_MANIFEST)
1664 AC_SUBST(W32_RES_LINK)
1665 AC_SUBST(FIRSTFILE_OBJ)
1668 AC_SUBST(LIBS_ECLIENT)
1669 AC_SUBST(LIB_WSOCK32)
1671 AC_SUBST(XARGS_LIMIT)
1673 if test "${HAVE_W32}" = "yes"; then
1678 ## $window_system is now set to the window system we will
1686 case "${window_system}" in
1691 case "${with_x_toolkit}" in
1692 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1693 motif ) USE_X_TOOLKIT=MOTIF ;;
1695 term_header=gtkutil.h
1696 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1697 dnl USE_X_TOOLKIT is set.
1698 USE_X_TOOLKIT=none ;;
1699 gtk2 ) with_gtk2=yes
1700 term_header=gtkutil.h
1701 USE_X_TOOLKIT=none ;;
1702 gtk3 ) with_gtk3=yes
1703 term_header=gtkutil.h
1704 USE_X_TOOLKIT=none ;;
1705 no ) USE_X_TOOLKIT=none ;;
1706 dnl If user did not say whether to use a toolkit, make this decision later:
1707 dnl use the toolkit if we have gtk, or X11R5 or newer.
1708 * ) USE_X_TOOLKIT=maybe ;;
1712 term_header=nsterm.h
1715 term_header=w32term.h
1719 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1720 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1721 if test "$HAVE_XSERVER" = true ||
1722 test -n "$DISPLAY" ||
1723 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1724 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1725 were found. You should install the relevant development files for X
1726 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1727 sure you have development files for image handling, i.e.
1728 tiff, gif, jpeg, png and xpm.
1729 If you are sure you want Emacs compiled without X window support, pass
1735 ### If we're using X11, we should use the X menu package.
1738 yes ) HAVE_MENUS=yes ;;
1741 # Does the opsystem file prohibit the use of the GNU malloc?
1742 # Assume not, until told otherwise.
1746 [whether malloc is Doug Lea style],
1747 [emacs_cv_var_doug_lea_malloc],
1750 [[#include <malloc.h>
1751 static void hook (void) {}]],
1752 [[malloc_set_state (malloc_get_state ());
1753 __after_morecore_hook = hook;
1754 __malloc_initialize_hook = hook;]])],
1755 [emacs_cv_var_doug_lea_malloc=yes],
1756 [emacs_cv_var_doug_lea_malloc=no])])
1757 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1760 dnl See comments in aix4-2.h about maybe using system malloc there.
1763 ## darwin ld insists on the use of malloc routines in the System framework.
1764 darwin|sol2-10) system_malloc=yes ;;
1767 if test "${system_malloc}" = "yes"; then
1768 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1771 (The GNU allocators don't work with this system configuration.)"
1775 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1776 VMLIMIT_OBJ=vm-limit.o
1778 AC_CHECK_HEADERS([sys/vlimit.h])
1779 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1782 [[extern char data_start[]; char ch;]],
1783 [[return data_start < &ch;]])],
1784 [emacs_cv_data_start=yes],
1785 [emacs_cv_data_start=no])])
1786 if test $emacs_cv_data_start = yes; then
1787 AC_DEFINE([HAVE_DATA_START], 1,
1788 [Define to 1 if data_start is the address of the start
1789 of the main data segment.])
1792 AC_SUBST(GMALLOC_OBJ)
1793 AC_SUBST(VMLIMIT_OBJ)
1795 if test "$doug_lea_malloc" = "yes" ; then
1796 if test "$GNU_MALLOC" = yes ; then
1798 (Using Doug Lea's new malloc from the GNU C Library.)"
1800 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1801 [Define to 1 if you are using the GNU C Library.])
1803 ## Use mmap directly for allocating larger buffers.
1804 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1805 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1806 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1808 gnu*) REL_ALLOC=no ;;
1812 if test x"${REL_ALLOC}" = x; then
1813 REL_ALLOC=${GNU_MALLOC}
1816 use_mmap_for_buffers=no
1818 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1822 if test $use_mmap_for_buffers = yes; then
1823 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1827 LIBS="$LIBS_SYSTEM $LIBS"
1829 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1830 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1831 AC_CHECK_LIB(dnet, dnet_ntoa)
1832 dnl This causes -lresolv to get used in subsequent tests,
1833 dnl which causes failures on some systems such as HPUX 9.
1834 dnl AC_CHECK_LIB(resolv, gethostbyname)
1836 dnl FIXME replace main with a function we actually want from this library.
1837 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1839 dnl Check if pthreads is available.
1841 AC_CHECK_HEADERS_ONCE(pthread.h)
1842 if test "$ac_cv_header_pthread_h"; then
1843 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1844 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1845 dnl testing for pthread_self if Emacs uses gmalloc.c.
1846 if test "$GMALLOC_OBJ" = gmalloc.o; then
1847 emacs_pthread_function=pthread_atfork
1849 emacs_pthread_function=pthread_self
1851 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1853 if test "$HAVE_PTHREAD" = yes; then
1854 case "${canonical}" in
1856 *) LIB_PTHREAD="-lpthread"
1857 LIBS="$LIB_PTHREAD $LIBS" ;;
1859 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1861 AC_SUBST([LIB_PTHREAD])
1863 AC_CHECK_LIB(pthreads, cma_open)
1865 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1866 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1867 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1868 ## added to LIBS in configure would never contain the pthreads part,
1869 ## but the value used in Makefiles might. FIXME?
1871 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1872 ## be harmless on older versions of X where it happens to exist.
1873 test "$opsys" = "aix4-2" && \
1874 test $ac_cv_lib_pthreads_cma_open = yes && \
1875 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1877 dnl Check for need for bigtoc support on IBM AIX
1881 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1883 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1884 *) gdb_cv_bigtoc=-bbigtoc ;;
1887 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1888 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1893 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1894 # used for the tests that follow. We set them back to REAL_CFLAGS and
1895 # REAL_CPPFLAGS later on.
1897 REAL_CFLAGS="$CFLAGS"
1898 REAL_CPPFLAGS="$CPPFLAGS"
1900 if test "${HAVE_X11}" = "yes"; then
1901 DEFS="$C_SWITCH_X_SITE $DEFS"
1902 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1904 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1905 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1907 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1908 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1909 # but it's more convenient here to set LD_RUN_PATH since this
1910 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1911 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1912 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1916 if test "${opsys}" = "gnu-linux"; then
1917 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1918 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1919 [[XOpenDisplay ("foo");]])],
1920 [xgnu_linux_first_failure=no],
1921 [xgnu_linux_first_failure=yes])
1922 if test "${xgnu_linux_first_failure}" = "yes"; then
1923 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1924 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1925 OLD_CPPFLAGS="$CPPFLAGS"
1927 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1928 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1929 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1930 LIBS="$LIBS -b i486-linuxaout"
1931 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1932 [[XOpenDisplay ("foo");]])],
1933 [xgnu_linux_second_failure=no],
1934 [xgnu_linux_second_failure=yes])
1935 if test "${xgnu_linux_second_failure}" = "yes"; then
1936 # If we get the same failure with -b, there is no use adding -b.
1937 # So take it out. This plays safe.
1938 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1939 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1940 CPPFLAGS="$OLD_CPPFLAGS"
1951 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1952 # header files included from there.
1953 AC_MSG_CHECKING(for Xkb)
1954 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1955 #include <X11/XKBlib.h>]],
1956 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1957 emacs_xkb=yes, emacs_xkb=no)
1958 AC_MSG_RESULT($emacs_xkb)
1959 if test $emacs_xkb = yes; then
1960 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
1963 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1964 XScreenNumberOfScreen)
1967 if test "${window_system}" = "x11"; then
1968 AC_MSG_CHECKING(X11 version 6)
1969 AC_CACHE_VAL(emacs_cv_x11_version_6,
1970 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1971 [[#if XlibSpecificationRelease < 6
1974 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1975 if test $emacs_cv_x11_version_6 = yes; then
1976 AC_MSG_RESULT(6 or newer)
1977 AC_DEFINE(HAVE_X11R6, 1,
1978 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1979 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1980 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1984 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1985 [Define if you have usable X11R6-style XIM support.])
1989 AC_MSG_RESULT(before 6)
1994 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1996 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
1997 if test "${with_rsvg}" != "no"; then
1998 RSVG_REQUIRED=2.11.0
1999 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2001 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2002 AC_SUBST(RSVG_CFLAGS)
2005 if test $HAVE_RSVG = yes; then
2006 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2007 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2008 LIBS="$RSVG_LIBS $LIBS"
2014 if test "${HAVE_X11}" = "yes"; then
2015 if test "${with_imagemagick}" != "no"; then
2016 ## 6.2.8 is the earliest version known to work, but earlier versions
2017 ## might work - let us know if you find one.
2018 ## 6.0.7 does not work. See bug#7955.
2019 ## 6.8.2 makes Emacs crash; see Bug#13867.
2020 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2021 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2022 AC_SUBST(IMAGEMAGICK_CFLAGS)
2023 AC_SUBST(IMAGEMAGICK_LIBS)
2025 if test $HAVE_IMAGEMAGICK = yes; then
2026 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2027 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2028 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2029 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2039 if test "${opsys}" != "mingw32"; then
2040 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2043 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2045 dnl Checks for libraries.
2046 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2047 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2048 AC_MSG_ERROR($GTK_PKG_ERRORS)
2050 if test "$pkg_check_gtk" = "yes"; then
2051 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2052 GTK_OBJ=emacsgtkfixed.o
2053 term_header=gtkutil.h
2054 USE_GTK_TOOLKIT="GTK3"
2055 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2056 GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
2060 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2064 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2067 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2069 dnl Checks for libraries.
2070 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2071 if test "$pkg_check_gtk" = "no" &&
2072 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2074 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2076 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2080 if test x"$pkg_check_gtk" = xyes; then
2082 AC_SUBST(GTK_CFLAGS)
2084 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2085 CFLAGS="$CFLAGS $GTK_CFLAGS"
2086 LIBS="$GTK_LIBS $LIBS"
2087 dnl Try to compile a simple GTK program.
2089 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2090 if test "${GTK_COMPILES}" != "yes"; then
2091 if test "$USE_X_TOOLKIT" != "maybe"; then
2092 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2096 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2097 GTK_OBJ="gtkutil.o $GTK_OBJ"
2099 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2102 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2103 closing open displays. This is no problem if you just use
2104 one display, but if you use more than one and close one of them
2114 if test "${HAVE_GTK}" = "yes"; then
2116 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2117 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2118 if test "$with_toolkit_scroll_bars" != no; then
2119 with_toolkit_scroll_bars=yes
2122 dnl Check if we have the old file selection dialog declared and
2123 dnl in the link library. In 2.x it may be in the library,
2124 dnl but not declared if deprecated featured has been selected out.
2125 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2126 HAVE_GTK_FILE_SELECTION=no
2127 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2128 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2129 #include <gtk/gtk.h>])
2130 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2131 AC_CHECK_FUNCS(gtk_file_selection_new)
2134 dnl Same as above for gtk_handle_box.
2135 HAVE_GTK_HANDLE_BOX=no
2136 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2137 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2138 #include <gtk/gtk.h>])
2139 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2140 AC_CHECK_FUNCS(gtk_handle_box_new)
2143 dnl Same as above for gtk_tearoff_menu_item.
2144 HAVE_GTK_TEAROFF_MENU_ITEM=no
2145 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2146 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2147 #include <gtk/gtk.h>])
2148 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2149 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2152 dnl Check for functions introduced in 2.14 and later.
2153 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2154 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2155 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2156 gtk_orientable_set_orientation \
2157 gtk_window_set_has_resize_grip)
2159 term_header=gtkutil.h
2162 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2163 dnl other platforms.
2166 if test "${with_dbus}" = "yes"; then
2167 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2168 if test "$HAVE_DBUS" = yes; then
2169 LIBS="$LIBS $DBUS_LIBS"
2170 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2171 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2172 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2174 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2175 dbus_type_is_valid \
2176 dbus_validate_bus_name \
2177 dbus_validate_path \
2178 dbus_validate_interface \
2179 dbus_validate_member)
2185 dnl GSettings has been tested under GNU/Linux only.
2187 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2188 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2189 if test "$HAVE_GSETTINGS" = "yes"; then
2190 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2191 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2192 SETTINGS_LIBS="$GSETTINGS_LIBS"
2196 dnl GConf has been tested under GNU/Linux only.
2197 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2199 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2200 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2201 if test "$HAVE_GCONF" = yes; then
2202 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2203 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2204 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2205 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2209 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2210 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2211 if test "$HAVE_GOBJECT" = "yes"; then
2212 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2213 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2215 SAVE_CFLAGS="$CFLAGS"
2217 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2218 LIBS="$SETTINGS_LIBS $LIBS"
2219 AC_CHECK_FUNCS([g_type_init])
2220 CFLAGS="$SAVE_CFLAGS"
2223 AC_SUBST(SETTINGS_CFLAGS)
2224 AC_SUBST(SETTINGS_LIBS)
2227 dnl SELinux is available for GNU/Linux only.
2230 if test "${with_selinux}" = "yes"; then
2231 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2232 if test "$HAVE_LIBSELINUX" = yes; then
2233 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2234 LIBSELINUX_LIBS=-lselinux
2237 AC_SUBST(LIBSELINUX_LIBS)
2240 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2241 if test "${with_gnutls}" = "yes" ; then
2242 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2243 if test "${HAVE_GNUTLS}" = "yes"; then
2244 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2249 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2250 LIBS="$LIBGNUTLS_LIBS $LIBS"
2251 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2253 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2254 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2257 # Windows loads GnuTLS dynamically
2258 if test "${opsys}" = "mingw32"; then
2265 AC_SUBST(LIBGNUTLS_LIBS)
2266 AC_SUBST(LIBGNUTLS_CFLAGS)
2268 dnl inotify is only available on GNU/Linux.
2269 if test "${with_inotify}" = "yes"; then
2270 AC_CHECK_HEADERS(sys/inotify.h)
2271 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2272 AC_CHECK_FUNC(inotify_init1)
2275 if test "$ac_cv_func_inotify_init1" = yes; then
2276 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2279 dnl POSIX ACL support: provided by libacl on GNU/Linux, by libc on FreeBSD.
2282 if test "${with_acl}" = "yes"; then
2283 AC_CHECK_LIB([acl], [acl_set_file], HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2284 if test "$HAVE_POSIX_ACL" = yes; then
2285 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2288 AC_CHECK_FUNC(acl_set_file, HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2289 if test "$HAVE_POSIX_ACL" = yes; then
2290 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2294 AC_SUBST(LIBACL_LIBS)
2296 dnl Do not put whitespace before the #include statements below.
2297 dnl Older compilers (eg sunos4 cc) choke on it.
2300 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2301 if test "$with_xaw3d" != no; then
2302 AC_CACHE_VAL(emacs_cv_xaw3d,
2303 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2304 #include <X11/Intrinsic.h>
2305 #include <X11/Xaw3d/Simple.h>]],
2307 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2308 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2309 emacs_cv_xaw3d=no)])
2313 if test $emacs_cv_xaw3d = yes; then
2314 AC_MSG_CHECKING(for xaw3d)
2315 AC_MSG_RESULT([yes; using Lucid toolkit])
2319 AC_DEFINE(HAVE_XAW3D, 1,
2320 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2322 AC_MSG_CHECKING(for xaw3d)
2324 AC_MSG_CHECKING(for libXaw)
2325 AC_CACHE_VAL(emacs_cv_xaw,
2326 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2327 #include <X11/Intrinsic.h>
2328 #include <X11/Xaw/Simple.h>]],
2332 if test $emacs_cv_xaw = yes; then
2333 AC_MSG_RESULT([yes; using Lucid toolkit])
2336 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2337 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2339 AC_MSG_ERROR([No X toolkit could be found.
2340 If you are sure you want Emacs compiled without an X toolkit, pass
2342 to configure. Otherwise, install the development libraries for the toolkit
2343 that you want to use (e.g. Gtk+) and re-run configure.])
2348 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2351 if test "${USE_X_TOOLKIT}" != "none"; then
2352 AC_MSG_CHECKING(X11 toolkit version)
2353 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2354 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2355 [[#if XtSpecificationRelease < 6
2358 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2359 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2360 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2361 AC_MSG_RESULT(6 or newer)
2362 AC_DEFINE(HAVE_X11XTR6, 1,
2363 [Define to 1 if you have the X11R6 or newer version of Xt.])
2364 LIBXTR6="-lSM -lICE"
2366 ## Use libw.a along with X11R6 Xt.
2367 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2370 AC_MSG_RESULT(before 6)
2373 dnl If using toolkit, check whether libXmu.a exists.
2374 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2376 if test x$HAVE_X11XTR6 = xyes; then
2377 LIBS="-lXt -lSM -lICE $LIBS"
2381 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2382 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2383 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2387 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2388 dnl Why not just test for libxmu in the normal way?
2391 ## These systems don't supply Xmu.
2393 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2401 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2402 if test "${HAVE_X11}" = "yes"; then
2403 if test "${USE_X_TOOLKIT}" != "none"; then
2404 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2409 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2410 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2411 if test -d /usr/include/openmotif; then
2412 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2413 emacs_cv_openmotif=yes
2414 case "$canonical" in
2415 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2416 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2419 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2422 emacs_cv_openmotif=no
2424 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2425 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2426 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2429 Motif version prior to 2.1.
2431 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2432 if test $emacs_cv_motif_version_2_1 = yes; then
2433 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2434 if test x$emacs_cv_openmotif = xyes; then
2435 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2438 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2439 # We put this in CFLAGS temporarily to precede other -I options
2440 # that might be in CFLAGS temporarily.
2441 # We put this in CPPFLAGS where it precedes the other -I options.
2442 OLD_CPPFLAGS=$CPPFLAGS
2444 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2445 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2446 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2448 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2449 if test $emacs_cv_lesstif = yes; then
2450 # Make sure this -I option remains in CPPFLAGS after it is set
2451 # back to REAL_CPPFLAGS.
2452 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2453 # have those other -I options anyway. Ultimately, having this
2454 # directory ultimately in CPPFLAGS will be enough.
2455 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2456 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2459 CPPFLAGS=$OLD_CPPFLAGS
2462 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2463 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2466 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2467 dnl using Motif or Xaw3d is available, and unless
2468 dnl --with-toolkit-scroll-bars=no was specified.
2470 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2471 [Define to 1 if we should use toolkit scroll bars.])dnl
2472 USE_TOOLKIT_SCROLL_BARS=no
2473 if test "${with_toolkit_scroll_bars}" != "no"; then
2474 if test "${USE_X_TOOLKIT}" != "none"; then
2475 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2476 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2478 USE_TOOLKIT_SCROLL_BARS=yes
2479 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2480 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2481 USE_TOOLKIT_SCROLL_BARS=yes
2483 elif test "${HAVE_GTK}" = "yes"; then
2484 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2485 USE_TOOLKIT_SCROLL_BARS=yes
2486 elif test "${HAVE_NS}" = "yes"; then
2487 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2488 USE_TOOLKIT_SCROLL_BARS=yes
2489 elif test "${HAVE_W32}" = "yes"; then
2490 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2491 USE_TOOLKIT_SCROLL_BARS=yes
2495 dnl See if XIM is available.
2496 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2497 #include <X11/Xlib.h>
2498 #include <X11/Xresource.h>]],
2499 [[XIMProc callback;]])],
2501 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2504 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2506 if test "${with_xim}" != "no"; then
2507 AC_DEFINE(USE_XIM, 1,
2508 [Define to 1 if we should use XIM, if it is available.])
2512 if test "${HAVE_XIM}" != "no"; then
2514 if test "$GCC" = yes; then
2515 CFLAGS="$CFLAGS --pedantic-errors"
2517 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2518 #include <X11/Xlib.h>
2519 #include <X11/Xresource.h>]],
2525 XPointer *client_data;
2527 /* If we're not using GCC, it's probably not XFree86, and this is
2528 probably right, but we can't use something like --pedantic-errors. */
2529 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2530 char*, XIMProc, XPointer*);
2532 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2534 [emacs_cv_arg6_star=yes])
2535 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2536 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2537 either XPointer or XPointer*.])dnl
2538 if test "$emacs_cv_arg6_star" = yes; then
2539 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2541 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2546 ### Start of font-backend (under any platform) section.
2547 # (nothing here yet -- this is a placeholder)
2548 ### End of font-backend (under any platform) section.
2550 ### Start of font-backend (under X11) section.
2551 if test "${HAVE_X11}" = "yes"; then
2552 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2554 ## Use -lXft if available, unless `--with-xft=no'.
2556 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2559 if test "x${with_xft}" != "xno"; then
2561 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2562 ## Because xftfont.c uses XRenderQueryExtension, we also
2563 ## need to link to -lXrender.
2565 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2566 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2567 OLD_CPPFLAGS="$CPPFLAGS"
2568 OLD_CFLAGS="$CFLAGS"
2570 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2571 CFLAGS="$CFLAGS $XFT_CFLAGS"
2572 XFT_LIBS="-lXrender $XFT_LIBS"
2573 LIBS="$XFT_LIBS $LIBS"
2574 AC_CHECK_HEADER(X11/Xft/Xft.h,
2575 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2577 if test "${HAVE_XFT}" = "yes"; then
2578 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2580 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2582 CPPFLAGS="$OLD_CPPFLAGS"
2583 CFLAGS="$OLD_CFLAGS"
2585 fi # "${HAVE_XFT}" = "yes"
2586 fi # "$HAVE_XFT" != no
2587 fi # "x${with_xft}" != "xno"
2589 ## We used to allow building with FreeType and without Xft.
2590 ## However, the ftx font backend driver is not in good shape.
2591 if test "$HAVE_XFT" != "yes"; then
2592 dnl For the "Does Emacs use" message at the end.
2596 dnl Strict linkers fail with
2597 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2598 dnl if -lfreetype is not specified.
2599 dnl The following is needed to set FREETYPE_LIBS.
2600 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2603 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2607 if test "${HAVE_FREETYPE}" = "yes"; then
2608 AC_DEFINE(HAVE_FREETYPE, 1,
2609 [Define to 1 if using the freetype and fontconfig libraries.])
2610 if test "${with_libotf}" != "no"; then
2611 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2613 if test "$HAVE_LIBOTF" = "yes"; then
2614 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2615 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2616 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2617 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2618 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2619 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2620 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2624 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2625 dnl Does the new font backend require it, or can it work without it?
2629 if test "${HAVE_LIBOTF}" = yes; then
2630 if test "${with_m17n_flt}" != "no"; then
2631 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2632 if test "$HAVE_M17N_FLT" = "yes"; then
2633 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2644 ### End of font-backend (under X11) section.
2646 AC_SUBST(FREETYPE_CFLAGS)
2647 AC_SUBST(FREETYPE_LIBS)
2648 AC_SUBST(FONTCONFIG_CFLAGS)
2649 AC_SUBST(FONTCONFIG_LIBS)
2650 AC_SUBST(LIBOTF_CFLAGS)
2651 AC_SUBST(LIBOTF_LIBS)
2652 AC_SUBST(M17N_FLT_CFLAGS)
2653 AC_SUBST(M17N_FLT_LIBS)
2655 ### Use -lXpm if available, unless `--with-xpm=no'.
2656 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2659 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2660 if test "${with_xpm}" != "no"; then
2661 SAVE_CPPFLAGS="$CPPFLAGS"
2662 SAVE_LDFLAGS="$LDFLAGS"
2663 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2664 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2665 AC_CHECK_HEADER(X11/xpm.h,
2666 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2667 if test "${HAVE_XPM}" = "yes"; then
2668 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2669 AC_EGREP_CPP(no_return_alloc_pixels,
2670 [#include "X11/xpm.h"
2671 #ifndef XpmReturnAllocPixels
2672 no_return_alloc_pixels
2674 ], HAVE_XPM=no, HAVE_XPM=yes)
2676 if test "${HAVE_XPM}" = "yes"; then
2677 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2681 CPPFLAGS="$SAVE_CPPFLAGS"
2682 LDFLAGS="$SAVE_LDFLAGS"
2687 if test "${HAVE_XPM}" = "yes"; then
2688 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2693 if test "${HAVE_X11}" = "yes"; then
2694 if test "${with_xpm}" != "no"; then
2695 AC_CHECK_HEADER(X11/xpm.h,
2696 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2697 if test "${HAVE_XPM}" = "yes"; then
2698 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2699 AC_EGREP_CPP(no_return_alloc_pixels,
2700 [#include "X11/xpm.h"
2701 #ifndef XpmReturnAllocPixels
2702 no_return_alloc_pixels
2704 ], HAVE_XPM=no, HAVE_XPM=yes)
2706 if test "${HAVE_XPM}" = "yes"; then
2714 if test "${HAVE_XPM}" = "yes"; then
2715 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2720 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2721 ### slightly different requirements wrt image libraries (it doesn't
2722 ### use -lXpm because it loads the xpm shared library dynamically at
2724 if test "${opsys}" = "mingw32"; then
2725 if test "${with_xpm}" != "no"; then
2726 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2730 if test "${HAVE_XPM}" = "yes"; then
2731 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2737 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2738 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2741 if test "${opsys}" = "mingw32"; then
2742 if test "${with_jpeg}" != "no"; then
2743 dnl Checking for jpeglib.h can lose because of a redefinition of
2745 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2747 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2748 if test "${HAVE_JPEG}" = "yes"; then
2749 AC_DEFINE(HAVE_JPEG)
2750 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2751 [#include <jpeglib.h>
2752 version=JPEG_LIB_VERSION
2754 [AC_DEFINE(HAVE_JPEG)],
2755 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2758 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2759 if test "${with_jpeg}" != "no"; then
2760 dnl Checking for jpeglib.h can lose because of a redefinition of
2762 AC_CHECK_HEADER(jerror.h,
2763 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2766 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2767 if test "${HAVE_JPEG}" = "yes"; then
2768 AC_DEFINE(HAVE_JPEG)
2769 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2770 [#include <jpeglib.h>
2771 version=JPEG_LIB_VERSION
2773 [AC_DEFINE(HAVE_JPEG)],
2774 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2777 if test "${HAVE_JPEG}" = "yes"; then
2783 ### Use -lpng if available, unless `--with-png=no'.
2784 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2787 if test "${opsys}" = "mingw32"; then
2788 if test "${with_png}" != "no"; then
2789 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2791 if test "${HAVE_PNG}" = "yes"; then
2792 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2794 AC_CHECK_DECL(png_longjmp,
2796 [AC_DEFINE(PNG_DEPSTRUCT, [],
2797 [Define to empty to suppress deprecation warnings when building
2798 with --enable-gcc-warnings and with libpng versions before 1.5,
2799 which lack png_longjmp.])],
2800 [[#ifdef HAVE_LIBPNG_PNG_H
2801 # include <libpng/png.h>
2807 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2808 if test "${with_png}" != "no"; then
2809 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2810 # in /usr/include/libpng.
2811 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2812 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2813 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2817 if test "${HAVE_PNG}" = "yes"; then
2818 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2819 LIBPNG="-lpng -lz -lm"
2821 AC_CHECK_DECL(png_longjmp,
2823 [AC_DEFINE(PNG_DEPSTRUCT, [],
2824 [Define to empty to suppress deprecation warnings when building
2825 with --enable-gcc-warnings and with libpng versions before 1.5,
2826 which lack png_longjmp.])],
2827 [[#ifdef HAVE_LIBPNG_PNG_H
2828 # include <libpng/png.h>
2837 ### Use -ltiff if available, unless `--with-tiff=no'.
2838 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
2841 if test "${opsys}" = "mingw32"; then
2842 if test "${with_tiff}" != "no"; then
2843 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
2845 if test "${HAVE_TIFF}" = "yes"; then
2846 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2848 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2849 if test "${with_tiff}" != "no"; then
2850 AC_CHECK_HEADER(tiffio.h,
2852 # At least one tiff package requires the jpeg library.
2853 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2854 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2857 if test "${HAVE_TIFF}" = "yes"; then
2858 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2859 dnl FIXME -lz -lm, as per libpng?
2865 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2866 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
2869 if test "${opsys}" = "mingw32"; then
2870 if test "${with_gif}" != "no"; then
2871 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
2873 if test "${HAVE_GIF}" = "yes"; then
2874 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2876 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
2877 || test "${HAVE_W32}" = "yes"; then
2878 AC_CHECK_HEADER(gif_lib.h,
2879 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2880 # Earlier versions can crash Emacs.
2881 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2883 if test "$HAVE_GIF" = yes; then
2885 elif test "$HAVE_GIF" = maybe; then
2886 # If gif_lib.h but no libgif, try libungif.
2887 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2888 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2891 if test "${HAVE_GIF}" = "yes"; then
2892 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2897 dnl Check for required libraries.
2898 if test "${HAVE_X11}" = "yes"; then
2901 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2902 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2903 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2904 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2905 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2906 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2907 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2908 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2909 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2910 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2912 if test "X${MISSING}" != X; then
2913 AC_MSG_ERROR([The following required libraries were not found:
2915 Maybe some development libraries/packages are missing?
2916 If you don't want to link with them give
2918 as options to configure])
2922 ### Use -lgpm if available, unless `--with-gpm=no'.
2925 if test "${with_gpm}" != "no"; then
2926 AC_CHECK_HEADER(gpm.h,
2927 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2929 if test "${HAVE_GPM}" = "yes"; then
2930 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2936 dnl Check for malloc/malloc.h on darwin
2937 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2940 ### Use NeXTstep API to implement GUI.
2941 if test "${HAVE_NS}" = "yes"; then
2942 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2943 if test "${NS_IMPL_COCOA}" = "yes"; then
2944 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2946 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2947 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2948 # See also .m.o rule in Makefile.in */
2949 # FIXME: are all these flags really needed? Document here why. */
2950 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2951 ## Extra CFLAGS applied to src/*.m files.
2952 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
2954 # We also have mouse menus.
2959 if test "${HAVE_W32}" = "yes"; then
2963 ### Use session management (-lSM -lICE) if available
2966 if test "${HAVE_X11}" = "yes"; then
2967 AC_CHECK_HEADER(X11/SM/SMlib.h,
2968 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2970 if test "${HAVE_X_SM}" = "yes"; then
2971 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2975 *) LIBS="$LIBXSM $LIBS" ;;
2981 ### Use libxml (-lxml2) if available
2982 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
2984 if test "${with_xml2}" != "no"; then
2985 ### I'm not sure what the version number should be, so I just guessed.
2986 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2987 if test "${HAVE_LIBXML2}" = "yes"; then
2988 if test "${opsys}" != "mingw32"; then
2989 LIBS="$LIBXML2_LIBS $LIBS"
2990 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2994 if test "${HAVE_LIBXML2}" = "yes"; then
2995 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3002 AC_SUBST(LIBXML2_LIBS)
3003 AC_SUBST(LIBXML2_CFLAGS)
3005 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3006 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3007 if test "${opsys}" = "mingw32"; then
3008 emacs_cv_netdb_declares_h_errno=yes
3010 AC_CACHE_CHECK(whether netdb declares h_errno,
3011 emacs_cv_netdb_declares_h_errno,
3012 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3013 [[return h_errno;]])],
3014 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3015 if test $emacs_cv_netdb_declares_h_errno = yes; then
3016 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3019 # sqrt and other floating-point functions such as fmod and frexp
3020 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3021 if test "${opsys}" != "mingw32"; then
3022 AC_CHECK_LIB(m, sqrt)
3025 # Check for mail-locking functions in a "mail" library. Probably this should
3026 # have the same check as for liblockfile below.
3027 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3028 if test $have_mail = yes; then
3030 LIBS="$LIBS_MAIL $LIBS"
3031 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3035 dnl Debian, at least:
3036 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3037 if test $have_lockfile = yes; then
3038 LIBS_MAIL=-llockfile
3039 LIBS="$LIBS_MAIL $LIBS"
3040 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3042 # If we have the shared liblockfile, assume we must use it for mail
3043 # locking (e.g. Debian). If we couldn't link against liblockfile
3044 # (no liblockfile.a installed), ensure that we don't need to.
3045 dnl This works for files generally, not just executables.
3046 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3047 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3048 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3049 if test $ac_cv_prog_liblockfile = yes; then
3050 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3051 This probably means that movemail could lose mail.
3052 There may be a `development' package to install containing liblockfile.])
3055 AC_CHECK_HEADERS_ONCE(maillock.h)
3058 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3059 ## interlock access to the mail spool. The alternative is a lock file named
3060 ## /usr/spool/mail/$USER.lock.
3063 aix4-2) mail_lock="lockf" ;;
3065 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3067 ## On GNU/Linux systems, both methods are used by various mail programs.
3068 ## I assume most people are using newer mailers that have heard of flock.
3069 ## Change this if you need to.
3070 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3071 ## configure gets the right answers, and that means *NOT* using flock.
3072 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3073 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3074 ## Debian maintainer hasn't provided a clean fix for Emacs.
3075 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3076 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3077 ## correct logic. -- fx
3078 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3079 ## liblockfile is a Free Software replacement for libmail, used on
3080 ## Debian systems and elsewhere. -rfr.
3083 if test $have_mail = yes || test $have_lockfile = yes; then
3084 test $ac_cv_header_maillock_h = yes && mail_lock=no
3089 mail_lock="none-needed" ;;
3093 case "$mail_lock" in
3094 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3096 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3100 *) BLESSMAIL_TARGET="need-blessmail" ;;
3102 AC_SUBST(BLESSMAIL_TARGET)
3105 AC_CHECK_FUNCS(gethostname \
3106 getrusage get_current_dir_name \
3108 select getpagesize setlocale \
3109 utimes getrlimit setrlimit shutdown getaddrinfo \
3110 strsignal setitimer \
3111 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3112 gai_strerror mkstemp getline getdelim sync \
3113 difftime posix_memalign \
3114 getpwent endpwent getgrent endgrent \
3116 cfmakeraw cfsetspeed copysign __executable_start)
3118 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3119 ## has a broken `rint' in some library versions including math library
3120 ## version number A.09.05.
3121 ## You can fix the math library by installing patch number PHSS_4630.
3122 ## But we can fix it more reliably for Emacs by just not using rint.
3123 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3126 *) AC_CHECK_FUNCS(random rint) ;;
3129 dnl Cannot use AC_CHECK_FUNCS
3130 AC_CACHE_CHECK([for __builtin_unwind_init],
3131 emacs_cv_func___builtin_unwind_init,
3132 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3133 emacs_cv_func___builtin_unwind_init=yes,
3134 emacs_cv_func___builtin_unwind_init=no)])
3135 if test $emacs_cv_func___builtin_unwind_init = yes; then
3136 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3137 [Define to 1 if you have the `__builtin_unwind_init' function.])
3140 AC_CHECK_HEADERS_ONCE(sys/un.h)
3145 AC_CHECK_FUNCS(grantpt)
3147 # PTY-related GNU extensions.
3148 AC_CHECK_FUNCS(getpt posix_openpt)
3150 # Check this now, so that we will NOT find the above functions in ncurses.
3151 # That is because we have not set up to link ncurses in lib-src.
3152 # It's better to believe a function is not available
3153 # than to expect to find it in ncurses.
3154 # Also we need tputs and friends to be able to build at all.
3155 AC_MSG_CHECKING([for library containing tputs])
3156 # Run a test program that contains a call to tputs, a call that is
3157 # never executed. This tests whether a pre-'main' dynamic linker
3158 # works with the library. It's too much trouble to actually call
3159 # tputs in the test program, due to portability hassles. When
3160 # cross-compiling, assume the test program will run if it links.
3161 AC_DEFUN([tputs_link_source], [
3163 [[extern void tputs (const char *, int, int (*)(int));
3164 int main (int argc, char **argv)
3167 tputs (argv[0], 0, 0);
3171 if test "${opsys}" = "mingw32"; then
3174 # Maybe curses should be tried earlier?
3175 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3176 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3178 if test -z "$tputs_library"; then
3182 LIBS_TERMCAP=-l$tputs_library
3184 LIBS="$LIBS_TERMCAP $LIBS"
3186 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3187 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3189 if test "X$msg" != Xno; then
3194 AC_MSG_RESULT([$msg])
3195 if test "X$msg" = Xno; then
3196 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3197 The following libraries were tried (in order):
3198 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3199 Please try installing whichever of these libraries is most appropriate
3200 for your system, together with its header files.
3201 For example, a libncurses-dev(el) or similar package.])
3204 ## Use termcap instead of terminfo?
3205 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3207 ## FIXME? In the cases below where we unconditionally set
3208 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3209 ## if that was found above to have tputs.
3210 ## Should we use the gnu* logic everywhere?
3212 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3213 ## The ncurses library has been moved out of the System framework in
3214 ## Mac OS X 10.2. So if configure detects it, set the command-line
3215 ## option to use it.
3216 darwin) LIBS_TERMCAP="-lncurses" ;;
3218 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3221 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3222 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3223 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3224 [[#if __FreeBSD_version < 400000
3227 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3229 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3231 if test $emacs_cv_freebsd_terminfo = yes; then
3232 LIBS_TERMCAP="-lncurses"
3235 LIBS_TERMCAP="-ltermcap"
3245 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3247 LIBS_TERMCAP="-ltermcap"
3251 openbsd) LIBS_TERMCAP="-lncurses" ;;
3253 ## hpux: Make sure we get select from libc rather than from libcurses
3254 ## because libcurses on HPUX 10.10 has a broken version of select.
3255 ## We used to use -lc -lcurses, but this may be cleaner.
3256 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3257 # set that way, now it uses the default). Isn't this a contradiction?
3258 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3262 TERMCAP_OBJ=tparam.o
3263 if test $TERMINFO = yes; then
3264 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3265 TERMCAP_OBJ=terminfo.o
3267 AC_SUBST(LIBS_TERMCAP)
3268 AC_SUBST(TERMCAP_OBJ)
3271 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3272 # On Darwin, res_init appears not to be useful: see bug#562 and
3273 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3276 if test $opsys != darwin; then
3278 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3279 #include <arpa/nameser.h>
3280 #include <resolv.h>]],
3281 [[return res_init();]])],
3282 have_res_init=yes, have_res_init=no)
3283 if test "$have_res_init" = no; then
3285 LIBS="$LIBS -lresolv"
3286 AC_MSG_CHECKING(for res_init with -lresolv)
3287 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3288 #include <arpa/nameser.h>
3289 #include <resolv.h>]],
3290 [[return res_init();]])],
3291 have_res_init=yes, have_res_init=no)
3292 AC_MSG_RESULT($have_res_init)
3293 if test "$have_res_init" = yes ; then
3299 if test "$have_res_init" = yes; then
3300 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3304 # Do we need the Hesiod library to provide the support routines?
3305 dnl FIXME? Should we be skipping this on Darwin too?
3307 if test "$with_hesiod" != no ; then
3308 # Don't set $LIBS here -- see comments above. FIXME which comments?
3309 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3310 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3311 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3312 if test "$resolv" = yes ; then
3317 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3318 hesiod=yes, :, $RESOLVLIB)])
3320 if test x"$hesiod" = xyes; then
3321 AC_DEFINE(HAVE_LIBHESIOD, 1,
3322 [Define to 1 if you have the hesiod library (-lhesiod).])
3328 # Do we need libresolv (due to res_init or Hesiod)?
3329 if test "$resolv" = yes && test $opsys != darwin; then
3330 AC_DEFINE(HAVE_LIBRESOLV, 1,
3331 [Define to 1 if you have the resolv library (-lresolv).])
3338 # These tell us which Kerberos-related libraries to use.
3345 if test "${with_kerberos}" != no; then
3346 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3347 if test $have_com_err = yes; then
3348 COM_ERRLIB=-lcom_err
3349 LIBS="$COM_ERRLIB $LIBS"
3350 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3352 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3353 if test $have_crypto = yes; then
3355 LIBS="$CRYPTOLIB $LIBS"
3356 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3358 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3359 if test $have_k5crypto = yes; then
3360 CRYPTOLIB=-lk5crypto
3361 LIBS="$CRYPTOLIB $LIBS"
3362 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3364 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3365 if test $have_krb5=yes; then
3367 LIBS="$KRB5LIB $LIBS"
3368 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3370 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3371 if test "${with_kerberos5}" = no; then
3372 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3373 if test $have_des425 = yes; then
3375 LIBS="$DESLIB $LIBS"
3376 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3378 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3379 if test $have_des = yes; then
3381 LIBS="$DESLIB $LIBS"
3382 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3385 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3386 if test $have_krb4 = yes; then
3388 LIBS="$KRB4LIB $LIBS"
3389 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3391 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3392 if test $have_krb = yes; then
3394 LIBS="$KRB4LIB $LIBS"
3395 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3400 if test "${with_kerberos5}" != no; then
3401 AC_CHECK_HEADERS(krb5.h,
3402 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3403 [#include <krb5.h>])])
3405 AC_CHECK_HEADERS(des.h,,
3406 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3407 [AC_CHECK_HEADERS(kerberos/des.h)])])
3408 AC_CHECK_HEADERS(krb.h,,
3409 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3410 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3412 AC_CHECK_HEADERS(com_err.h)
3415 AC_SUBST(COM_ERRLIB)
3421 AC_CHECK_FUNCS_ONCE(tzset)
3422 AC_MSG_CHECKING(whether localtime caches TZ)
3423 AC_CACHE_VAL(emacs_cv_localtime_cache,
3424 [if test x$ac_cv_func_tzset = xyes; then
3425 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3426 char TZ_GMT0[] = "TZ=GMT0";
3427 char TZ_PST8[] = "TZ=PST8";
3430 time_t now = time ((time_t *) 0);
3431 int hour_GMT0, hour_unset;
3432 if (putenv (TZ_GMT0) != 0)
3434 hour_GMT0 = localtime (&now)->tm_hour;
3436 hour_unset = localtime (&now)->tm_hour;
3437 if (putenv (TZ_PST8) != 0)
3439 if (localtime (&now)->tm_hour == hour_GMT0)
3442 if (localtime (&now)->tm_hour != hour_unset)
3445 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3446 [# If we have tzset, assume the worst when cross-compiling.
3447 emacs_cv_localtime_cache=yes])
3449 # If we lack tzset, report that localtime does not cache TZ,
3450 # since we can't invalidate the cache if we don't have tzset.
3451 emacs_cv_localtime_cache=no
3453 AC_MSG_RESULT($emacs_cv_localtime_cache)
3454 if test $emacs_cv_localtime_cache = yes; then
3455 AC_DEFINE(LOCALTIME_CACHE, 1,
3456 [Define to 1 if localtime caches TZ.])
3460 AC_CHECK_FUNC(socket, , ok_so_far=no)
3461 if test $ok_so_far = yes; then
3462 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3464 if test $ok_so_far = yes; then
3465 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3467 if test $ok_so_far = yes; then
3468 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3469 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3470 [Define to 1 if you have inet sockets.])
3473 if test -f /usr/lpp/X11/bin/smt.exp; then
3474 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3475 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3478 AC_MSG_CHECKING(whether system supports dynamic ptys)
3479 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3481 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3486 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3487 dnl This can be removed once we assume Autoconf 2.70.
3489 *-solaris2.4 | *-solaris2.4.*)
3490 dnl Disable the Autoconf-generated vfork test.
3491 : ${ac_cv_func_vfork_works=no};;
3496 AC_CHECK_FUNCS(snprintf)
3498 dnl Adapted from Haible's version.
3499 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3500 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3501 [[char* cs = nl_langinfo(CODESET);]])],
3502 emacs_cv_langinfo_codeset=yes,
3503 emacs_cv_langinfo_codeset=no)
3505 if test $emacs_cv_langinfo_codeset = yes; then
3506 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3507 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3512 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3513 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3514 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3515 if test "$emacs_cv_c_restrict_arr" = yes; then
3516 AC_DEFINE(__restrict_arr, __restrict,
3517 [Define to compiler's equivalent of C99 restrict keyword in array
3518 declarations. Define as empty for no equivalent.])
3521 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3522 dnl how the tty code is related to POSIX and/or other versions of termios.
3523 dnl The following looks like a useful start.
3525 dnl AC_SYS_POSIX_TERMIOS
3526 dnl if test $ac_cv_sys_posix_termios = yes; then
3527 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3528 dnl and macros for terminal control.])
3529 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3532 dnl Turned on June 1996 supposing nobody will mind it.
3533 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3534 if test "${opsys}" != "mingw32"; then
3535 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3536 in the full name stands for the login id.])
3539 dnl Every platform that uses configure supports this.
3540 dnl There is a create-lockfiles option you can
3541 dnl customize if you do not want the lock files to be written.
3542 dnl So it is not clear that this #define still needs to exist.
3543 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3544 so that Emacs can tell instantly when you try to modify a file that
3545 someone else has modified in his/her Emacs.])
3547 dnl Everybody supports this, except MS.
3548 dnl Seems like the kind of thing we should be testing for, though.
3549 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3550 if test "${opsys}" != "mingw32"; then
3551 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3554 dnl Everybody supports this, except MS-DOS.
3555 dnl Seems like the kind of thing we should be testing for, though.
3556 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3557 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3558 4.2-compatible sockets.])
3560 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3562 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3563 a null file, or a data sink.])
3564 if test "${opsys}" = "mingw32"; then
3565 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3567 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3570 AH_TEMPLATE(SEPCHAR, [Character that separates PATH elements.])
3571 if test "${opsys}" = "mingw32"; then
3572 AC_DEFINE(SEPCHAR, [';'])
3574 AC_DEFINE(SEPCHAR, [':'])
3577 dnl Everybody supports this, except MS-DOS.
3578 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3580 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3583 AC_DEFINE(DIRECTORY_SEP, ['/'],
3584 [Character that separates directories in a file name.])
3586 AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.])
3587 if test "${opsys}" = "mingw32"; then
3588 dnl Only used on MS platforms.
3589 AC_DEFINE(DEVICE_SEP, ':')
3590 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == DEVICE_SEP)],
3591 [Returns true if character is a device separator.])
3593 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3594 [Returns true if character is a directory separator.])
3596 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3597 [Returns true if character is any form of separator.])
3599 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3600 [Returns true if character is a device separator.])
3602 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3603 [Returns true if character is a directory separator.])
3605 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3606 [Returns true if character is any form of separator.])
3609 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3613 dnl Unfortunately without libXmu we cannot support EditRes.
3614 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3615 AC_DEFINE(NO_EDITRES, 1)
3620 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3621 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3622 AC_DEFINE(NO_EDITRES, 1)
3628 irix6-5 | sol2* | unixware )
3629 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3630 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3631 dnl need the constant to dimension an array. So wire in the appropriate
3633 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3637 emacs_broken_SIGIO=no
3640 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3641 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3642 hpux* | irix6-5 | openbsd | sol2* | unixware )
3643 emacs_broken_SIGIO=yes
3647 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3648 dnl the way this system works, libc functions that return malloced
3649 dnl memory use the libc malloc implementation. Calling xfree or
3650 dnl xrealloc on the results of such functions results in a crash.
3652 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3653 dnl but that does not currently work on this system.
3655 dnl It is possible to completely override the malloc implementation on
3656 dnl AIX, but that involves putting the malloc functions in a shared
3657 dnl library and setting the MALLOCTYPE environment variable to point to
3658 dnl that shared library.
3660 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3661 dnl to avoid a crash just use the Emacs implementation for that function.
3663 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3664 dnl of this file, so that we do not check for get_current_dir_name
3665 dnl on AIX. But that might be fragile if something else ends
3666 dnl up testing for get_current_dir_name as a dependency.
3667 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3668 get_current_dir_name should not be used.])
3672 dnl Circumvent a bug in FreeBSD. In the following sequence of
3673 dnl writes/reads on a PTY, read(2) returns bogus data:
3675 dnl write(2) 1022 bytes
3676 dnl write(2) 954 bytes, get EAGAIN
3677 dnl read(2) 1024 bytes in process_read_output
3678 dnl read(2) 11 bytes in process_read_output
3680 dnl That is, read(2) returns more bytes than have ever been written
3681 dnl successfully. The 1033 bytes read are the 1022 bytes written
3682 dnl successfully after processing (for example with CRs added if the
3683 dnl terminal is set up that way which it is here). The same bytes will
3684 dnl be seen again in a later read(2), without the CRs.
3685 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3686 work around an issue when reading from a PTY.])
3692 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3693 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3698 darwin | freebsd | netbsd | openbsd )
3699 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3700 close a pty to make it a controlling terminal (it is already a
3701 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3705 dnl FIXME Surely we can test for this rather than hard-code it.
3707 netbsd | openbsd) sound_device="/dev/audio" ;;
3708 *) sound_device="/dev/dsp" ;;
3712 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3713 [Name of the default sound device.])
3716 dnl Emacs can read input using SIGIO and buffering characters itself,
3717 dnl or using CBREAK mode and making C-g cause SIGINT.
3718 dnl The choice is controlled by the variable interrupt_input.
3720 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3722 dnl Emacs uses the presence of the USABLE_SIGIO macro
3723 dnl to indicate whether or not signal-driven I/O is possible. It uses
3724 dnl INTERRUPT_INPUT to decide whether to use it by default.
3726 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3727 dnl CBREAK mode has two disadvantages
3728 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3729 dnl I hear that in system V this problem does not exist.
3730 dnl 2) Control-G causes output to be discarded.
3731 dnl I do not know whether this can be fixed in system V.
3733 dnl Another method of doing input is planned but not implemented.
3734 dnl It would have Emacs fork off a separate process
3735 dnl to read the input and send it to the true Emacs process
3738 darwin | gnu-linux | gnu-kfreebsd )
3739 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3744 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3745 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3746 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3747 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3748 dnl taking float or double parameters.
3750 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3751 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3752 file defines `NeedWidePrototypes' as `NO'.])
3757 dnl Used in process.c, this must be a loop, even if it only runs once.
3758 dnl (Except on SGI; see below. Take that, clarity and consistency!)
3759 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
3760 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
3761 dnl trying suffixes 0-16.
3762 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
3763 first PTY, if PTYs are supported.])
3764 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
3765 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
3766 end of a PTY, if non-standard.])
3767 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
3768 end of a PTY, if non-standard.])
3772 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
3773 dnl You allocate a pty by opening /dev/ptc to get the master side.
3774 dnl To get the name of the slave side, you just ttyname() the master side.
3775 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
3776 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
3780 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3781 dnl multi-line AC_DEFINEs are hard. :(
3782 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)])
3783 AC_DEFINE(PTY_NAME_SPRINTF, [])
3784 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3787 dnl FIXME? Maybe use same as freebsd - see bug#12040.
3789 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3790 dnl Not used, because PTY_ITERATION is defined.
3791 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3792 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
3793 dnl But we don't have to block SIGCHLD because it is blocked in the
3794 dnl implementation of grantpt.
3795 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
3796 AC_DEFINE(PTY_NAME_SPRINTF, [])
3797 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3801 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3804 gnu-linux | gnu-kfreebsd | freebsd | netbsd )
3806 if test "x$ac_cv_func_grantpt" = xyes; then
3807 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
3808 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3809 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
3810 dnl to prevent sigchld_handler from intercepting the child's death.
3811 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); }])
3812 dnl if HAVE_POSIX_OPENPT
3813 if test "x$ac_cv_func_posix_openpt" = xyes; then
3814 AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
3815 AC_DEFINE(PTY_NAME_SPRINTF, [])
3817 elif test "x$ac_cv_func_getpt" = xyes; then
3818 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
3819 AC_DEFINE(PTY_NAME_SPRINTF, [])
3821 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3824 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3829 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3830 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
3831 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
3835 dnl It looks like this cannot be right, because it is not a loop.
3836 dnl However, process.c actually does this:
3842 dnl which presumably makes it OK, since irix == sgi (?).
3843 dnl FIXME it seems like this special treatment is unnecessary?
3844 dnl Why can't irix use a single-trip loop like eg cygwin?
3845 AC_DEFINE(PTY_ITERATION, [])
3846 dnl Not used, because PTY_ITERATION is defined.
3847 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
3848 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); }])
3849 dnl No need to get the pty name at all.
3850 AC_DEFINE(PTY_NAME_SPRINTF, [])
3851 dnl No need to use sprintf to get the tty name--we get that from _getpty.
3852 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3856 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
3857 dnl from intercepting that death. If any child but grantpt's should die
3858 dnl within, it should be caught after sigrelse(2).
3859 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); }])
3863 dnl Comments are as per sol2*.
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) 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); }])
3871 dnl This change means that we don't loop through allocate_pty too
3872 dnl many times in the (rare) event of a failure.
3873 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
3874 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3875 dnl Push various streams modules onto a PTY channel. Used in process.c.
3876 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.])
3881 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
3882 "typing" a signal character on the pty.])
3885 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
3886 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
3887 aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd | darwin )
3888 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3891 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
3892 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
3893 gnu-linux | gnu-kfreebsd )
3895 AC_MSG_CHECKING([for signals via characters])
3896 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3897 #include <linux/version.h>
3898 #if LINUX_VERSION_CODE < 0x20400
3899 # error "Linux version too old"
3901 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
3903 AC_MSG_RESULT([$emacs_signals_via_chars])
3904 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3909 dnl Used in lisp.h, emacs.c, vm-limit.c
3910 dnl NEWS.18 describes this as "a number which contains
3911 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
3912 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
3913 stored in a Lisp_Object.])
3914 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
3918 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
3919 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
3922 dnl The data segment on this machine always starts at address 0x40000000.
3923 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
3926 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
3931 AH_TEMPLATE(TAB3, [Undocumented.])
3934 darwin) AC_DEFINE(TAB3, OXTABS) ;;
3936 gnu | freebsd | netbsd | openbsd )
3937 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
3938 AC_DEFINE(TAB3, OXTABS)
3941 gnu-linux | gnu-kfreebsd )
3942 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3946 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
3947 [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)],
3948 [Mark a secondary stack, like the register stack on the ia64.]), [])
3952 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
3953 run_time_remap; for HPUX.])
3958 dnl This won't be used automatically yet. We also need to know, at least,
3959 dnl that the stack is continuous.
3960 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
3961 registers relevant for conservative garbage collection in the jmp_buf.])
3965 dnl Not all the architectures are tested, but there are Debian packages
3966 dnl for SCM and/or Guile on them, so the technique must work. See also
3967 dnl comments in alloc.c concerning setjmp and gcc.
3968 dnl Fixme: it's probably safe to just use the GCC conditional below.
3969 gnu-linux | gnu-kfreebsd )
3970 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3971 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
3972 || defined __alpha__ || defined __mips__ || defined __s390__ \
3973 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
3974 || defined __ia64__ || defined __sh__
3977 # error "setjmp not known to work on this arch"
3979 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
3984 if test x$GCC = xyes; then
3985 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
3986 AC_DEFINE(GC_SETJMP_WORKS, 1)
3989 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
3990 freebsd | netbsd | openbsd | irix6-5 | sol2* )
3991 AC_DEFINE(GC_SETJMP_WORKS, 1)
3996 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
3997 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4000 [[#include <setjmp.h>
4002 # define _longjmp longjmp
4007 _longjmp (j, 1);]])],
4008 [emacs_cv_func__setjmp=yes],
4009 [emacs_cv_func__setjmp=no])])
4010 if test $emacs_cv_func__setjmp = yes; then
4011 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4013 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4016 [[#include <setjmp.h>
4019 if (! sigsetjmp (j, 1))
4020 siglongjmp (j, 1);]])],
4021 [emacs_cv_func_sigsetjmp=yes],
4022 [emacs_cv_func_sigsetjmp=no])])
4023 if test $emacs_cv_func_sigsetjmp = yes; then
4024 AC_DEFINE([HAVE_SIGSETJMP], 1,
4025 [Define to 1 if sigsetjmp and siglongjmp work.
4026 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4032 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4033 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4034 dnl and this is all we need.
4035 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4042 dnl Used in xfaces.c.
4043 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4044 some systems, where it requires time.h.])
4049 dnl Define symbols to identify the version of Unix this is.
4050 dnl Define all the symbols that apply correctly.
4051 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4052 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4053 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4054 AH_TEMPLATE(USG5, [Define if the system is compatible with System V.])
4055 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4061 dnl This symbol should be defined on AIX Version 3 ???????
4062 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4064 # error "_AIX not defined"
4066 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4070 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4074 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4075 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4076 dnl distinguish OS X from pure Darwin.
4077 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4080 gnu-linux | gnu-kfreebsd )
4082 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4088 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4094 AC_DEFINE(USG5_4, [])
4095 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4099 AC_DEFINE(DOS_NT, [])
4100 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4101 if test "x$ac_enable_checking" != "x" ; then
4102 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4109 AC_DEFINE(USG5_4, [])
4110 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4116 AC_DEFINE(USG5_4, [])
4120 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4123 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4124 emacs_cv_usable_FIONREAD=no
4128 emacs_cv_usable_FIONREAD=yes
4133 [AC_LANG_PROGRAM([[#include <sys/types.h>
4134 #include <sys/ioctl.h>
4136 # include <sys/filio.h>
4139 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4140 [emacs_cv_usable_FIONREAD=yes],
4141 [emacs_cv_usable_FIONREAD=no])
4144 if test $emacs_cv_usable_FIONREAD = yes; then
4145 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4147 if test $emacs_broken_SIGIO = no; then
4148 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4150 [AC_LANG_PROGRAM([[#include <fcntl.h>
4153 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4154 [emacs_cv_usable_SIGIO=yes],
4155 [emacs_cv_usable_SIGIO=no])],
4156 [emacs_cv_usable_SIGIO=yes],
4157 [emacs_cv_usable_SIGIO=no])
4158 if test $emacs_cv_usable_SIGIO = yes; then
4159 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4166 dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls
4167 dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
4168 dnl As malloc is not the Cygwin malloc, the Cygwin memalign always
4169 dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
4171 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4172 G_SLICE environment variable to "always-malloc" at startup, if
4177 dnl It works to open the pty's tty in the parent (Emacs), then
4178 dnl close and reopen it in the child.
4179 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4180 works to open a pty's tty in the parent process, then close and
4181 reopen it in the child.])
4185 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4186 use VSUSP instead of VSWTCH.])
4190 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4195 # Set up the CFLAGS for real compilation, so we can substitute it.
4196 CFLAGS="$REAL_CFLAGS"
4197 CPPFLAGS="$REAL_CPPFLAGS"
4199 ## Hack to detect a buggy GCC version.
4200 if test "x$GCC" = xyes \
4201 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4202 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4203 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4204 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4207 version=$PACKAGE_VERSION
4209 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4210 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4211 [Short copyright string for this version of Emacs.])
4214 ### Specify what sort of things we'll be editing into Makefile and config.h.
4215 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4217 AC_SUBST(configuration)
4222 AC_SUBST(exec_prefix)
4225 AC_SUBST(sharedstatedir)
4226 AC_SUBST(libexecdir)
4231 AC_SUBST(standardlisppath)
4232 AC_SUBST(locallisppath)
4234 AC_SUBST(x_default_search_path)
4236 AC_SUBST(archlibdir)
4241 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4242 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4243 ## end of LIBX_BASE, but nothing ever set it.
4244 AC_SUBST(LD_SWITCH_X_SITE)
4245 AC_SUBST(C_SWITCH_X_SITE)
4246 AC_SUBST(GNUSTEP_CFLAGS)
4248 ## Used in lwlib/Makefile.in.
4249 AC_SUBST(X_TOOLKIT_TYPE)
4251 AC_SUBST(ns_appbindir)
4252 AC_SUBST(ns_appresdir)
4254 AC_SUBST(GNU_OBJC_CFLAGS)
4255 AC_SUBST(OTHER_FILES)
4257 if test -n "${term_header}"; then
4258 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4259 [Define to the header for the built-in window system.])
4262 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4263 [Define to the canonical Emacs configuration name.])
4264 dnl Replace any embedded " characters (bug#13274).
4265 emacs_config_options=`echo "$emacs_config_options " | sed -e 's/--no-create //' -e 's/--no-recursion //' -e 's/ *$//' -e "s/\"/'/g"`
4266 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4267 [Define to the options passed to configure.])
4268 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4269 define this to include extra configuration information.])
4273 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4280 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4281 AC_DEFINE(HAVE_X_WINDOWS, 1,
4282 [Define to 1 if you want to use the X window system.])
4284 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
4286 if test "$HAVE_XFT" = "yes"; then
4287 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4288 elif test "$HAVE_FREETYPE" = "yes"; then
4289 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4299 if test "${USE_X_TOOLKIT}" != "none" ; then
4301 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4302 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4303 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4304 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4305 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4309 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4310 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4314 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4315 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4316 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4320 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4321 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4324 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4327 AC_SUBST(WIDGET_OBJ)
4330 case "$USE_X_TOOLKIT" in
4331 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4332 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4333 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4335 AC_SUBST(TOOLKIT_LIBW)
4337 if test "${opsys}" != "mingw32"; then
4338 if test "$USE_X_TOOLKIT" = "none"; then
4339 LIBXT_OTHER="\$(LIBXSM)"
4340 OLDXMENU_TARGET="really-oldXMenu"
4342 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4343 OLDXMENU_TARGET="really-lwlib"
4346 AC_SUBST(LIBXT_OTHER)
4348 ## The X Menu stuff is present in the X10 distribution, but missing
4349 ## from X11. If we have X10, just use the installed library;
4350 ## otherwise, use our own copy.
4351 if test "${HAVE_X11}" = "yes" ; then
4352 AC_DEFINE(HAVE_X11, 1,
4353 [Define to 1 if you want to use version 11 of X windows.
4354 Otherwise, Emacs expects to use version 10.])
4356 if test "$USE_X_TOOLKIT" = "none"; then
4357 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4359 OLDXMENU="\${lwlibdir}/liblw.a"
4361 LIBXMENU="\$(OLDXMENU)"
4362 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4363 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4365 ## For a syntactically valid Makefile; not actually used for anything.
4366 ## See comments in src/Makefile.in.
4368 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4369 if test "${HAVE_X_WINDOWS}" = "yes"; then
4378 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4385 AC_SUBST(OLDXMENU_TARGET)
4388 AC_SUBST(LIBX_OTHER)
4389 AC_SUBST(OLDXMENU_DEPS)
4391 if test "${HAVE_MENUS}" = "yes" ; then
4392 AC_DEFINE(HAVE_MENUS, 1,
4393 [Define to 1 if you have mouse menus.
4394 (This is automatic if you use X, but the option to specify it remains.)
4395 It is also defined with other window systems that support xmenu.c.])
4398 if test "${GNU_MALLOC}" = "yes" ; then
4399 AC_DEFINE(GNU_MALLOC, 1,
4400 [Define to 1 if you want to use the GNU memory allocator.])
4404 if test "${REL_ALLOC}" = "yes" ; then
4405 AC_DEFINE(REL_ALLOC, 1,
4406 [Define REL_ALLOC if you want to use the relocating allocator for
4409 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4411 AC_SUBST(RALLOC_OBJ)
4413 if test "$opsys" = "cygwin"; then
4414 CYGWIN_OBJ="sheap.o cygw32.o"
4415 ## Cygwin differs because of its unexec().
4417 POST_ALLOC_OBJ=lastfile.o
4418 elif test "$opsys" = "mingw32"; then
4421 POST_ALLOC_OBJ=lastfile.o
4424 PRE_ALLOC_OBJ=lastfile.o
4427 AC_SUBST(CYGWIN_OBJ)
4428 AC_SUBST(PRE_ALLOC_OBJ)
4429 AC_SUBST(POST_ALLOC_OBJ)
4431 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4432 # it temporarily reverts them to their pre-pkg-config values,
4433 # because gnulib needs to work with both src (which uses the
4434 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4435 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4436 # and it therefore needs to run in an environment where LIBS does not
4437 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4438 # for some package unrelated to lib-src.
4441 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4442 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4443 gl_ASSERT_NO_GNULIB_POSIXCHECK
4444 gl_ASSERT_NO_GNULIB_TESTS
4449 if test "${opsys}" = "mingw32"; then
4450 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I $srcdir/nt/inc"
4451 # Remove unneeded switches from the value of CC that goes to Makefiles
4452 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4456 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4459 ## The -headerpad option tells ld (see man page) to leave room at the
4460 ## end of the header for adding load commands. Needed for dumping.
4461 ## 0x690 is the total size of 30 segment load commands (at 56
4462 ## each); under Cocoa 31 commands are required.
4463 if test "$HAVE_NS" = "yes"; then
4464 libs_nsgui="-framework AppKit"
4470 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4472 ## This is here because src/Makefile.in did some extra fiddling around
4473 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4474 ## LD_SWITCH_SYSTEM_TEMACS instead,
4475 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4476 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4479 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4480 ## find X at run-time.
4481 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4482 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4483 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4484 ## had different values in configure (in ac_link) and src/Makefile.in.
4485 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4486 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4489 case "$canonical" in
4490 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-subsystem,console -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4491 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-subsystem,console -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4495 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4498 if test x$ac_enable_profiling != x ; then
4500 *freebsd | gnu-linux) ;;
4501 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4505 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4507 ## MinGW-specific post-link processing of temacs.
4508 TEMACS_POST_LINK=":"
4511 if test "${opsys}" = "mingw32"; then
4512 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4513 ADDSECTION="../nt/addsection\$(EXEEXT)"
4514 ## Preload heap size of temacs.exe in MB.
4515 case "$canonical" in
4516 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4517 *) EMACS_HEAPSIZE=27 ;;
4521 AC_SUBST(ADDSECTION)
4522 AC_SUBST(TEMACS_POST_LINK)
4523 AC_SUBST(EMACS_HEAPSIZE)
4525 ## Common for all window systems
4526 if test "$window_system" != "none"; then
4527 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4528 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4531 AC_SUBST(WINDOW_SYSTEM_OBJ)
4533 AH_TOP([/* GNU Emacs site configuration template file.
4535 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4536 Free Software Foundation, Inc.
4538 This file is part of GNU Emacs.
4540 GNU Emacs is free software: you can redistribute it and/or modify
4541 it under the terms of the GNU General Public License as published by
4542 the Free Software Foundation, either version 3 of the License, or
4543 (at your option) any later version.
4545 GNU Emacs is distributed in the hope that it will be useful,
4546 but WITHOUT ANY WARRANTY; without even the implied warranty of
4547 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4548 GNU General Public License for more details.
4550 You should have received a copy of the GNU General Public License
4551 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4554 /* No code in Emacs #includes config.h twice, but some bits of code
4555 intended to work with other packages as well (like gmalloc.c)
4556 think they can include it as many times as they like. */
4557 #ifndef EMACS_CONFIG_H
4558 #define EMACS_CONFIG_H
4561 AH_BOTTOM([#include <conf_post.h>
4563 #endif /* EMACS_CONFIG_H */
4572 #### Report on what we decided to do.
4573 #### Report GTK as a toolkit, even if it doesn't use Xt.
4574 #### It makes printing result more understandable as using GTK sets
4575 #### toolkit_scroll_bars to yes by default.
4576 if test "${HAVE_GTK}" = "yes"; then
4577 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4581 Configured for \`${canonical}'.
4583 Where should the build process find the source code? ${srcdir}
4584 What compiler should emacs be built with? ${CC} ${CFLAGS}
4585 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4586 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4587 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4588 What window system should Emacs use? ${window_system}
4589 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4591 if test -n "${x_includes}"; then
4592 echo " Where do we find X Windows header files? ${x_includes}"
4594 echo " Where do we find X Windows header files? Standard dirs"
4596 if test -n "${x_libraries}"; then
4597 echo " Where do we find X Windows libraries? ${x_libraries}"
4599 echo " Where do we find X Windows libraries? Standard dirs"
4602 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4603 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4604 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4605 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4606 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4607 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4608 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4609 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4611 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4612 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4613 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4614 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4615 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4616 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4617 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4619 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4620 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4621 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4622 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4624 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4627 if test -n "${EMACSDATA}"; then
4628 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4630 if test -n "${EMACSDOC}"; then
4631 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4636 if test "$HAVE_NS" = "yes"; then
4638 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4639 The installed application will go to nextstep/Emacs.app and can be
4640 run or moved from there."
4641 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4642 echo "The application will be fully self-contained."
4644 echo "The lisp resources for the application will be installed under ${prefix}.
4645 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4646 to run if these resources are not installed."
4651 if test "${opsys}" = "cygwin"; then
4653 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4659 # Remove any trailing slashes in these variables.
4660 [test "${prefix}" != NONE &&
4661 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4662 test "${exec_prefix}" != NONE &&
4663 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4665 if test "$HAVE_NS" = "yes"; then
4666 if test "$NS_IMPL_GNUSTEP" = yes; then
4667 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4668 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4670 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4671 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4675 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4676 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4677 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4678 dnl (else you get "no `Makefile.am' found for any configure output").
4679 dnl This will work, but you get a config.status that is not quite right
4680 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4681 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4682 dnl it seems better to just live with the duplication.
4683 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
4685 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4686 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4687 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4688 leim/Makefile nextstep/Makefile nt/Makefile])
4690 dnl test/ is not present in release tarfiles.
4691 opt_makefile=test/automated/Makefile
4693 if test -f "$srcdir/$opt_makefile.in"; then
4694 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4695 dnl Again, it's best not to use a variable. Though you can add
4696 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4697 AC_CONFIG_FILES([test/automated/Makefile])
4701 dnl admin/ may or may not be present.
4702 opt_makefile=admin/unidata/Makefile
4704 if test -f "$srcdir/$opt_makefile.in"; then
4705 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4706 AC_CONFIG_FILES([admin/unidata/Makefile])
4710 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4712 AC_SUBST(SUBDIR_MAKEFILES_IN)
4714 dnl Make the necessary directories, if they don't exist.
4715 AC_CONFIG_COMMANDS([mkdirs], [
4716 for dir in etc lisp ; do
4717 test -d ${dir} || mkdir ${dir}
4721 dnl You might wonder (I did) why epaths.h is generated by running make,
4722 dnl rather than just letting configure generate it from epaths.in.
4723 dnl One reason is that the various paths are not fully expanded (see above);
4724 dnl eg gamedir=${prefix}/var/games/emacs.
4725 dnl Secondly, the GNU Coding standards require that one should be able
4726 dnl to run `make prefix=/some/where/else' and override the values set
4727 dnl by configure. This also explains the `move-if-change' test and
4728 dnl the use of force in the `epaths-force' rule in Makefile.in.
4729 AC_CONFIG_COMMANDS([epaths], [
4730 echo creating src/epaths.h
4731 if test "${opsys}" = "mingw32"; then
4732 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
4734 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4736 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
4738 AC_CONFIG_COMMANDS([gdbinit], [
4739 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
4740 echo creating src/.gdbinit
4741 echo "source $srcdir/src/.gdbinit" > src/.gdbinit