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}
474 ## HP 9000 series 700 and 800, running HP/UX
478 hppa*-hp-hpux1[1-9]* )
480 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
484 rs6000-ibm-aix4.[23]* )
487 powerpc-ibm-aix4.[23]* )
490 rs6000-ibm-aix[56]* )
493 powerpc-ibm-aix[56]* )
497 ## Silicon Graphics machines
501 # Without defining _LANGUAGE_C, things get masked out in the headers
502 # so that, for instance, grepping for `free' in stdlib.h fails and
503 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
504 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
509 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
510 | x86_64-*-solaris2* | x86_64-*-sunos5*)
511 case "${canonical}" in
513 amd64-*-*|x86_64-*-*) ;;
517 case "${canonical}" in
518 *-sunos5.6* | *-solaris2.6* )
522 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
524 emacs_check_sunpro_c=yes
526 *-sunos5* | *-solaris* )
528 emacs_check_sunpro_c=yes
531 ## Watch out for a compiler that we know will not work.
532 case "${canonical}" in
533 *-solaris* | *-sunos5* )
534 if [ "x$CC" = x/usr/ucb/cc ]; then
535 ## /usr/ucb/cc doesn't work;
536 ## we should find some other compiler that does work.
544 ## Intel 386 machines where we don't care about the manufacturer.
546 case "${canonical}" in
547 *-cygwin ) opsys=cygwin ;;
548 *-darwin* ) opsys=darwin ;;
551 # MinGW overrides and adds some system headers in nt/inc.
552 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
554 *-sysv4.2uw* ) opsys=unixware ;;
555 *-sysv5uw* ) opsys=unixware ;;
556 *-sysv5OpenUNIX* ) opsys=unixware ;;
557 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
566 ### If the code above didn't choose an operating system, just choose
567 ### an operating system based on the configuration name. You really
568 ### only want to use this when you have no idea what the right
569 ### operating system is; if you know what operating systems a machine
570 ### runs, it's cleaner to make it explicit in the case statement
572 if test x"${opsys}" = x; then
573 case "${canonical}" in
574 *-gnu* ) opsys=gnu ;;
584 if test $unported = yes; then
585 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
586 Check `etc/MACHINES' for recognized configuration names.])
590 #### Choose a compiler.
592 dnl Sets GCC=yes if using gcc.
596 if test x$GCC = xyes; then
597 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
599 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
602 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
603 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
604 dnl that clash with MinGW.
605 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
607 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
608 # as we don't use them.
609 AC_DEFUN([gl_FCNTL_O_FLAGS])
610 # Avoid gnulib's threadlib module, as we do threads our own way.
611 AC_DEFUN([gl_THREADLIB])
613 # Initialize gnulib right after choosing the compiler.
614 dnl Amongst other things, this sets AR and ARFLAGS.
617 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
618 # if -g3 works and the user does not specify CFLAGS.
619 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
620 if test "$ac_test_CFLAGS" != set; then
623 emacs_g3_CFLAGS='-g3';;
625 emacs_g3_CFLAGS='-g3 -O2';;
629 if test -n "$emacs_g3_CFLAGS"; then
630 emacs_save_CFLAGS=$CFLAGS
631 CFLAGS=$emacs_g3_CFLAGS
632 if test $opsys = mingw32; then
633 CFLAGS="$CFLAGS -gdwarf-2"
635 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
636 [emacs_cv_prog_cc_g3],
637 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
638 [emacs_cv_prog_cc_g3=yes],
639 [emacs_cv_prog_cc_g3=no])])
640 if test $emacs_cv_prog_cc_g3 = yes; then
641 CFLAGS=$emacs_g3_CFLAGS
643 CFLAGS=$emacs_save_CFLAGS
648 AC_ARG_ENABLE([gcc-warnings],
649 [AS_HELP_STRING([--enable-gcc-warnings],
650 [turn on lots of GCC warnings/errors. This is intended for
651 developers, and may generate false alarms when used
652 with older or non-GNU development tools.])],
655 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
657 gl_gcc_warnings=$enableval],
661 AC_ARG_ENABLE(link-time-optimization,
662 [AS_HELP_STRING([--enable-link-time-optimization],
663 [build emacs with link-time optimization.
664 This is supported only for GCC since 4.5.0.])],
665 if test "${enableval}" != "no"; then
666 AC_MSG_CHECKING([whether link-time optimization is supported])
668 if test x$GCC = xyes; then
669 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
670 if test x$CPUS != x; then
676 CFLAGS="$CFLAGS $LTO"
677 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
678 [ac_lto_supported=yes], [ac_lto_supported=no])
681 AC_MSG_RESULT([$ac_lto_supported])
682 if test "$ac_lto_supported" = "yes"; then
683 CFLAGS="$CFLAGS $LTO"
687 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
688 # ------------------------------------------------
689 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
690 # Otherwise, run RUN-IF-NOT-FOUND.
691 AC_DEFUN([gl_GCC_VERSION_IFELSE],
695 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
698 # error "your version of gcc is older than $1.$2"
705 # When compiling with GCC, prefer -isystem to -I when including system
706 # include files, to avoid generating useless diagnostics for the files.
707 if test "$gl_gcc_warnings" != yes; then
712 # This, $nw, is the list of warnings we disable.
715 case $with_x_toolkit in
716 lucid | athena | motif)
717 # Old toolkits mishandle 'const'.
718 nw="$nw -Wwrite-strings"
721 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
724 AC_SUBST([WERROR_CFLAGS])
726 nw="$nw -Waggregate-return" # anachronistic
727 nw="$nw -Wlong-long" # C90 is anachronistic
728 nw="$nw -Wc++-compat" # We don't care about C++ compilers
729 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
730 nw="$nw -Wtraditional" # Warns on #elif which we use often
731 nw="$nw -Wcast-qual" # Too many warnings for now
732 nw="$nw -Wconversion" # Too many warnings for now
733 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
734 nw="$nw -Wsign-conversion" # Too many warnings for now
735 nw="$nw -Woverlength-strings" # Not a problem these days
736 nw="$nw -Wtraditional-conversion" # Too many warnings for now
737 nw="$nw -Wunreachable-code" # so buggy that it's now silently ignored
738 nw="$nw -Wpadded" # Our structs are not padded
739 nw="$nw -Wredundant-decls" # we regularly (re)declare functions
740 nw="$nw -Wlogical-op" # any use of fwrite provokes this
741 nw="$nw -Wformat-nonliteral" # we do this a lot
742 nw="$nw -Wvla" # warnings in gettext.h
743 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
744 nw="$nw -Wswitch-enum" # Too many warnings for now
745 nw="$nw -Wswitch-default" # Too many warnings for now
746 nw="$nw -Wfloat-equal" # warns about high-quality code
747 nw="$nw -Winline" # OK to ignore 'inline'
748 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
749 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
750 # signed overflow has undefined behavior
751 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
752 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
754 # Emacs doesn't care about shadowing; see
755 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
758 # Emacs's use of alloca inhibits protecting the stack.
759 nw="$nw -Wstack-protector"
761 # The following line should be removable at some point.
762 nw="$nw -Wsuggest-attribute=pure"
764 gl_MANYWARN_ALL_GCC([ws])
765 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
769 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
770 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
771 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
772 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
773 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
774 gl_WARN_ADD([-Wno-format-nonliteral])
776 # In spite of excluding -Wlogical-op above, it is enabled, as of
777 # gcc 4.5.0 20090517.
778 gl_WARN_ADD([-Wno-logical-op])
780 gl_WARN_ADD([-fdiagnostics-show-option])
781 gl_WARN_ADD([-funit-at-a-time])
783 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
784 AH_VERBATIM([FORTIFY_SOURCE],
785 [/* Enable compile-time and run-time bounds-checking, and some warnings,
786 without upsetting glibc 2.15+. */
787 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
788 # define _FORTIFY_SOURCE 2
791 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
793 # We use a slightly smaller set of warning options for lib/.
794 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
796 nw="$nw -Wunused-macros"
798 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
799 AC_SUBST([GNULIB_WARN_CFLAGS])
804 dnl Some other nice autoconf tests.
805 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
808 dnl if test "x$RANLIB" = x; then
813 AC_PATH_PROG(INSTALL_INFO, install-info, :,
814 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
815 dnl Don't use GZIP, which is used by gzip for additional parameters.
816 AC_PATH_PROG(GZIP_PROG, gzip)
818 if test $opsys = gnu-linux; then
819 AC_PATH_PROG(PAXCTL, paxctl,,
820 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
821 if test "X$PAXCTL" != X; then
822 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
823 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
824 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
825 else AC_MSG_RESULT(no); PAXCTL=""; fi])
829 ## Need makeinfo >= 4.7 (?) to build the manuals.
830 AC_PATH_PROG(MAKEINFO, makeinfo, no)
831 dnl By this stage, configure has already checked for egrep and set EGREP,
832 dnl or exited with an error if no egrep was found.
833 if test "$MAKEINFO" != "no"; then
835 $MAKEINFO --version 2> /dev/null |
836 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
842 ## Makeinfo is unusual. For a released Emacs, the manuals are
843 ## pre-built, and not deleted by the normal clean rules. makeinfo is
844 ## therefore in the category of "special tools" not normally required, which
845 ## configure does not have to check for (eg autoconf itself).
846 ## In a Bazaar checkout on the other hand, the manuals are not included.
847 ## So makeinfo is a requirement to build from Bazaar, and configure
848 ## should test for it as it does for any other build requirement.
849 ## We use the presence of $srcdir/info/emacs to distinguish a release,
850 ## with pre-built manuals, from a Bazaar checkout.
853 if test "$MAKEINFO" = "no"; then
855 if test "x${with_makeinfo}" = "xno"; then
857 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
858 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
859 source tree does not seem to have pre-built manuals in the `info' directory.
860 Either install a suitable version of makeinfo, or re-run configure
861 with the `--without-makeinfo' option to build without the manuals.] )
864 AC_SUBST(HAVE_MAKEINFO)
866 dnl Just so that there is only a single place we need to edit.
872 dnl Add our options to ac_link now, after it is set up.
874 if test x$GCC = xyes; then
875 test "x$GCC_LINK_TEST_OPTIONS" != x && \
876 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
878 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
879 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
882 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
883 dnl If we can link with the flag, it shouldn't do any harm anyhow.
884 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
885 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
886 dnl if not built to support GNU ld.
888 late_LDFLAGS=$LDFLAGS
889 if test x$GCC = xyes; then
890 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
892 LDFLAGS="$LDFLAGS -znocombreloc"
895 AC_MSG_CHECKING([for -znocombreloc])
896 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
897 [AC_MSG_RESULT(yes)],
898 LDFLAGS=$late_LDFLAGS
902 dnl The function dump-emacs will not be defined and temacs will do
903 dnl (load "loadup") automatically unless told otherwise.
904 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
906 your-opsys-here) CANNOT_DUMP=yes ;;
909 test "$CANNOT_DUMP" = "yes" && \
910 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
912 AC_SUBST(CANNOT_DUMP)
917 # MSDOS uses unexcoff.o
925 UNEXEC_OBJ=unexmacosx.o
928 UNEXEC_OBJ=unexhp9k800.o
934 # Use the Solaris dldump() function, called from unexsol.c, to dump
935 # emacs, instead of the generic ELF dump code found in unexelf.c.
936 # The resulting binary has a complete symbol table, and is better
937 # for debugging and other observability tools (debuggers, pstack, etc).
939 # If you encounter a problem using dldump(), please consider sending
940 # a message to the OpenSolaris tools-linking mailing list:
941 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
943 # It is likely that dldump() works with older Solaris too, but this has
944 # not been tested, so for now this change is for Solaris 10 or newer.
952 ## Let `ld' find image libs and similar things in /usr/local/lib.
953 ## The system compiler, GCC, has apparently been modified to not
954 ## look there, contrary to what a stock GCC would do.
955 ### It's not our place to do this. See bug#10313#17.
956 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
961 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
962 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
966 ### It's not our place to do this. See bug#10313#17.
967 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
972 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
973 ## otherwise Emacs dumps core on elf systems.
974 LD_SWITCH_SYSTEM="-Z"
977 AC_SUBST(LD_SWITCH_SYSTEM)
979 ac_link="$ac_link $LD_SWITCH_SYSTEM"
981 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
982 ## which has not been defined yet. When this was handled with cpp,
983 ## it was expanded to null when configure sourced the s/*.h file.
984 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
985 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
986 ## (or somesuch), but because it is supposed to go at the _front_
987 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
988 ## Compare with the gnu-linux case below, which added to the end
989 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
990 ## LD_SWITCH_SYSTEM_TEMACS.
993 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1000 AC_CHECK_DECL([__ELF__])
1001 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1002 ## With ELF, make sure that all common symbols get allocated to in the
1003 ## data section. Otherwise, the dump of temacs may miss variables in
1004 ## the shared library that have been initialized. For example, with
1005 ## GNU libc, __malloc_initialized would normally be resolved to the
1006 ## shared library's .bss section, which is fatal.
1007 if test "x$GCC" = "xyes"; then
1008 C_SWITCH_MACHINE="-fno-common"
1010 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
1013 UNEXEC_OBJ=unexalpha.o
1017 AC_SUBST(C_SWITCH_MACHINE)
1019 AC_SUBST(UNEXEC_OBJ)
1022 ## Some programs in src produce warnings saying certain subprograms
1023 ## are too complex and need a MAXMEM value greater than 2000 for
1024 ## additional optimization. --nils@exp-math.uni-essen.de
1025 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1026 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1027 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1028 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1029 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1030 AC_SUBST(C_SWITCH_SYSTEM)
1037 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1038 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1040 freebsd) LIBS_SYSTEM="-lutil" ;;
1042 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1044 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1046 ## Motif needs -lgen.
1047 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1049 mingw32) LIBS_SYSTEM="-lcomctl32"
1050 LIB_WSOCK32="$LIB_WSOCK32 -lwsock32"
1051 NTLIB="ntlib.$ac_objext"
1055 AC_SUBST(LIBS_SYSTEM)
1056 AC_SUBST(LIB_WSOCK32)
1059 ### Make sure subsequent tests use flags consistent with the build flags.
1061 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1062 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1064 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1067 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1068 AC_DEFUN([AC_TYPE_SIZE_T])
1069 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1070 AC_DEFUN([AC_TYPE_UID_T])
1074 dnl Current possibilities handled by sed (aix4-2 -> aix,
1075 dnl gnu-linux -> gnu/linux, etc.):
1076 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1077 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1078 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1085 ## Adding -lm confuses the dynamic linker, so omit it.
1089 SYSTEM_TYPE=berkeley-unix
1091 gnu-linux | gnu-kfreebsd )
1093 hpux10-20 | hpux11 )
1097 SYSTEM_TYPE=windows-nt
1099 dnl NB this may be adjusted below.
1101 SYSTEM_TYPE=berkeley-unix
1105 SYSTEM_TYPE=usg-unix-v
1111 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1112 [The type of system you are compiling for; sets `system-type'.])
1115 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1116 pre_PKG_CONFIG_LIBS=$LIBS
1118 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1120 dnl This function definition taken from Gnome 2.0
1121 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1122 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1123 dnl also defines GSTUFF_PKG_ERRORS on error
1124 AC_DEFUN([PKG_CHECK_MODULES], [
1127 if test "$PKG_CONFIG" = "no" ; then
1128 ifelse([$4], , [AC_MSG_ERROR([
1129 *** 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.])], [$4])
1131 PKG_CONFIG_MIN_VERSION=0.9.0
1132 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1133 AC_MSG_CHECKING(for $2)
1135 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1136 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1137 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1144 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1145 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1146 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1152 ## If we have a custom action on failure, don't print errors, but
1153 ## do set a variable so people can do so. Do it in a subshell
1154 ## to capture any diagnostics in invoking pkg-config.
1155 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1156 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1162 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1163 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1167 if test $succeeded = yes; then
1168 ifelse([$3], , :, [$3])
1170 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])
1174 if test "${with_sound}" != "no"; then
1175 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1176 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h,
1177 have_sound_header=yes, [], [
1179 #define WIN32_LEAN_AND_MEAN
1180 #include <windows.h>
1183 # Emulation library used on NetBSD.
1184 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1188 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1189 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1190 if test $HAVE_ALSA = yes; then
1191 SAVE_CFLAGS="$CFLAGS"
1193 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1194 LIBS="$ALSA_LIBS $LIBS"
1195 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1196 emacs_alsa_normal=yes,
1197 emacs_alsa_normal=no)
1198 if test "$emacs_alsa_normal" != yes; then
1199 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1200 [[snd_lib_error_set_handler (0);]])],
1201 emacs_alsa_subdir=yes,
1202 emacs_alsa_subdir=no)
1203 if test "$emacs_alsa_subdir" != yes; then
1204 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1206 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1209 CFLAGS="$SAVE_CFLAGS"
1211 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1212 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1213 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1216 dnl Define HAVE_SOUND if we have sound support. We know it works and
1217 dnl compiles only on the specified platforms. For others, it
1218 dnl probably doesn't make sense to try.
1219 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1221 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1222 gnu-linux|freebsd|netbsd)
1223 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1226 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1231 AC_SUBST(CFLAGS_SOUND)
1234 dnl checks for header files
1235 AC_CHECK_HEADERS_ONCE(
1236 linux/version.h sys/systeminfo.h
1239 sys/utsname.h pwd.h utmp.h util.h)
1241 AC_MSG_CHECKING(if personality LINUX32 can be set)
1242 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1243 emacs_cv_personality_linux32=yes,
1244 emacs_cv_personality_linux32=no)
1245 AC_MSG_RESULT($emacs_cv_personality_linux32)
1247 if test $emacs_cv_personality_linux32 = yes; then
1248 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1249 [Define to 1 if personality LINUX32 can be set.])
1252 dnl On Solaris 8 there's a compilation warning for term.h because
1253 dnl it doesn't define `bool'.
1254 AC_CHECK_HEADERS(term.h, , , -)
1256 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1258 if test $ac_cv_have_decl_sys_siglist != yes; then
1259 # For Tru64, at least:
1260 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1262 if test $ac_cv_have_decl___sys_siglist = yes; then
1263 AC_DEFINE(sys_siglist, __sys_siglist,
1264 [Define to any substitute for sys_siglist.])
1269 dnl Check for speed_t typedef.
1270 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1271 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1272 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1273 if test $emacs_cv_speed_t = yes; then
1274 AC_DEFINE(HAVE_SPEED_T, 1,
1275 [Define to 1 if `speed_t' is declared by <termios.h>.])
1278 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1279 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1280 #if HAVE_SYS_SOCKET_H
1281 #include <sys/socket.h>
1283 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1284 #if HAVE_SYS_SOCKET_H
1285 #include <sys/socket.h>
1287 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1288 #if HAVE_SYS_SOCKET_H
1289 #include <sys/socket.h>
1292 dnl checks for structure members
1293 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1294 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1295 struct ifreq.ifr_addr,
1296 struct ifreq.ifr_addr.sa_len], , ,
1297 [AC_INCLUDES_DEFAULT
1298 #if HAVE_SYS_SOCKET_H
1299 #include <sys/socket.h>
1305 dnl Check for endianness.
1306 dnl AC_C_BIGENDIAN is done by gnulib.
1308 dnl check for Make feature
1309 dnl AC_PROG_MAKE_SET is done by Automake.
1314 dnl check for GNU Make if we have GCC and autodepend is on.
1315 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1316 AC_MSG_CHECKING([whether we are using GNU Make])
1318 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1319 if test "x$testval" != x; then
1322 ac_enable_autodepend=no
1324 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1325 if test $HAVE_GNU_MAKE = yes; then
1326 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1327 SAVE_CFLAGS="$CFLAGS"
1328 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1329 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1330 CFLAGS="$SAVE_CFLAGS"
1331 test -f deps.d || ac_enable_autodepend=no
1333 AC_MSG_RESULT([$ac_enable_autodepend])
1335 if test $ac_enable_autodepend = yes; then
1336 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1337 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1338 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1339 deps_frag=autodeps.mk
1342 deps_frag=$srcdir/src/$deps_frag
1345 AC_SUBST_FILE(deps_frag)
1348 lisp_frag=$srcdir/src/lisp.mk
1349 AC_SUBST_FILE(lisp_frag)
1352 dnl checks for operating system services
1353 AC_SYS_LONG_FILE_NAMES
1355 #### Choose a window system.
1357 ## We leave window_system equal to none if
1358 ## we end up building without one. Any new window system should
1359 ## set window_system to an appropriate value and add objects to
1360 ## window-system-specific substs.
1364 if test "$no_x" != yes; then
1368 LD_SWITCH_X_SITE_RPATH=
1369 if test "${x_libraries}" != NONE; then
1370 if test -n "${x_libraries}"; then
1371 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1372 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1374 x_default_search_path=""
1375 x_search_path=${x_libraries}
1376 if test -z "${x_search_path}"; then
1377 x_search_path=/usr/lib
1379 for x_library in `echo ${x_search_path}: | \
1380 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1382 ${x_library}/X11/%L/%T/%N%C%S:\
1383 ${x_library}/X11/%l/%T/%N%C%S:\
1384 ${x_library}/X11/%T/%N%C%S:\
1385 ${x_library}/X11/%L/%T/%N%S:\
1386 ${x_library}/X11/%l/%T/%N%S:\
1387 ${x_library}/X11/%T/%N%S"
1388 if test x"${x_default_search_path}" = x; then
1389 x_default_search_path=${x_search_path}
1391 x_default_search_path="${x_search_path}:${x_default_search_path}"
1395 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1397 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1398 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1401 if test x"${x_includes}" = x; then
1402 bitmapdir=/usr/include/X11/bitmaps
1404 # accumulate include directories that have X11 bitmap subdirectories
1406 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1407 if test -d "${bmd}/X11/bitmaps"; then
1408 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1410 if test -d "${bmd}/bitmaps"; then
1411 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1414 if test ${bmd_acc} != "dummyval"; then
1415 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1422 tmp_CPPFLAGS="$CPPFLAGS"
1423 tmp_CFLAGS="$CFLAGS"
1424 CPPFLAGS="$CPPFLAGS -x objective-c"
1425 CFLAGS="$CFLAGS -x objective-c"
1428 if test "${with_ns}" != no; then
1429 if test "${opsys}" = darwin; then
1431 ns_appdir=`pwd`/nextstep/Emacs.app
1432 ns_appbindir=${ns_appdir}/Contents/MacOS
1433 ns_appresdir=${ns_appdir}/Contents/Resources
1434 ns_appsrc=Cocoa/Emacs.base
1435 elif test -f $GNUSTEP_CONFIG_FILE; then
1437 ns_appdir=`pwd`/nextstep/Emacs.app
1438 ns_appbindir=${ns_appdir}
1439 ns_appresdir=${ns_appdir}/Resources
1440 ns_appsrc=GNUstep/Emacs.base
1441 dnl FIXME sourcing this several times in subshells seems inefficient.
1442 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1443 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1444 dnl I seemed to need these as well with GNUstep-startup 0.25.
1445 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1446 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1447 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1448 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1449 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1450 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1451 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1452 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1453 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1454 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1455 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1456 dnl If they had chosen to either define it or not, we could have
1457 dnl just used AC_CHECK_DECL here.
1458 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1459 emacs_cv_objc_exceptions,
1460 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1461 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1465 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1466 if test $emacs_cv_objc_exceptions = yes; then
1467 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1468 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1469 [Define if GNUstep uses ObjC exceptions.])
1470 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1474 dnl This is only used while we test the NS headers, it gets reset below.
1475 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1477 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1478 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1479 files are missing or cannot be compiled.])])
1481 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1483 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1484 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1487 #error "OSX 10.4 or newer required"
1491 ns_osx_have_104=yes,
1493 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1495 ns_have_nsinteger=yes,
1496 ns_have_nsinteger=no)
1497 if test $ns_osx_have_104 = no; then
1498 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1500 if test $ns_have_nsinteger = yes; then
1501 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1505 AC_SUBST(LIBS_GNUSTEP)
1507 INSTALL_ARCH_INDEP_EXTRA=install-etc
1508 ns_self_contained=no
1511 if test "${HAVE_NS}" = yes; then
1512 if test "$with_toolkit_scroll_bars" = "no"; then
1513 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1516 window_system=nextstep
1517 # set up packaging dirs
1518 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1519 ns_self_contained=yes
1520 prefix=${ns_appresdir}
1521 exec_prefix=${ns_appbindir}
1522 dnl This one isn't really used, only archlibdir is.
1523 libexecdir="\${ns_appbindir}/libexec"
1524 archlibdir="\${ns_appbindir}/libexec"
1525 docdir="\${ns_appresdir}/etc"
1526 etcdir="\${ns_appresdir}/etc"
1527 dnl FIXME maybe set datarootdir instead.
1528 dnl That would also get applications, icons, man.
1529 infodir="\${ns_appresdir}/info"
1530 mandir="\${ns_appresdir}/man"
1531 lispdir="\${ns_appresdir}/lisp"
1532 leimdir="\${ns_appresdir}/leim"
1533 INSTALL_ARCH_INDEP_EXTRA=
1535 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1537 CFLAGS="$tmp_CFLAGS"
1538 CPPFLAGS="$tmp_CPPFLAGS"
1539 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1540 AC_SUBST(ns_self_contained)
1542 AC_SUBST(NS_OBJC_OBJ)
1551 if test "${with_w32}" != no; then
1552 if test "${opsys}" != "cygwin"; then
1553 if test "${opsys}" != "mingw32"; then
1554 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1557 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1558 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1559 cannot be found.])])
1561 if test "${opsys}" = "mingw32"; then
1562 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1563 [AC_MSG_ERROR([The windows.h header file is required,
1564 but cannot be found.])])
1565 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1566 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1567 #include <windows.h>
1568 #include <usp10.h>]],
1569 [[void test(PIMAGE_NT_HEADERS pHeader)
1570 {PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader);}]])],
1571 emacs_cv_w32api=yes, emacs_cv_w32api=no)
1572 AC_MSG_RESULT($emacs_cv_w32api)
1573 if test "${emacs_cv_w32api}" = "no"; then
1574 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1579 if test "${HAVE_W32}" = "yes"; then
1580 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1581 AC_CHECK_TOOL(WINDRES, [windres],
1582 [AC_MSG_ERROR([No resource compiler found.])])
1583 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1584 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1585 EMACSRES="emacs.res"
1586 case "$canonical" in
1587 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1588 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1590 if test "${opsys}" = "cygwin"; then
1591 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1592 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1593 # Tell the linker that emacs.res is an object (which we compile from
1594 # the rc file), not a linker script.
1595 W32_RES_LINK="-Wl,-bpe-i386 -Wl,emacs.res"
1597 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1598 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1599 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1600 CLIENTRES="emacsclient.res"
1601 FIRSTFILE_OBJ=firstfile.o
1607 AC_SUBST(EMACS_MANIFEST)
1609 AC_SUBST(W32_RES_LINK)
1610 AC_SUBST(FIRSTFILE_OBJ)
1612 if test "${HAVE_W32}" = "yes"; then
1617 ## $window_system is now set to the window system we will
1625 case "${window_system}" in
1630 case "${with_x_toolkit}" in
1631 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1632 motif ) USE_X_TOOLKIT=MOTIF ;;
1634 term_header=gtkutil.h
1635 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1636 dnl USE_X_TOOLKIT is set.
1637 USE_X_TOOLKIT=none ;;
1638 gtk2 ) with_gtk2=yes
1639 term_header=gtkutil.h
1640 USE_X_TOOLKIT=none ;;
1641 gtk3 ) with_gtk3=yes
1642 term_header=gtkutil.h
1643 USE_X_TOOLKIT=none ;;
1644 no ) USE_X_TOOLKIT=none ;;
1645 dnl If user did not say whether to use a toolkit, make this decision later:
1646 dnl use the toolkit if we have gtk, or X11R5 or newer.
1647 * ) USE_X_TOOLKIT=maybe ;;
1651 term_header=nsterm.h
1654 term_header=w32term.h
1658 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1659 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1660 if test "$HAVE_XSERVER" = true ||
1661 test -n "$DISPLAY" ||
1662 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1663 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1664 were found. You should install the relevant development files for X
1665 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1666 sure you have development files for image handling, i.e.
1667 tiff, gif, jpeg, png and xpm.
1668 If you are sure you want Emacs compiled without X window support, pass
1674 ### If we're using X11, we should use the X menu package.
1677 yes ) HAVE_MENUS=yes ;;
1680 # Does the opsystem file prohibit the use of the GNU malloc?
1681 # Assume not, until told otherwise.
1685 [whether malloc is Doug Lea style],
1686 [emacs_cv_var_doug_lea_malloc],
1689 [[#include <malloc.h>
1690 static void hook (void) {}]],
1691 [[malloc_set_state (malloc_get_state ());
1692 __after_morecore_hook = hook;
1693 __malloc_initialize_hook = hook;]])],
1694 [emacs_cv_var_doug_lea_malloc=yes],
1695 [emacs_cv_var_doug_lea_malloc=no])])
1696 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1699 dnl See comments in aix4-2.h about maybe using system malloc there.
1702 ## darwin ld insists on the use of malloc routines in the System framework.
1703 darwin|sol2-10) system_malloc=yes ;;
1706 if test "${system_malloc}" = "yes"; then
1707 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1710 (The GNU allocators don't work with this system configuration.)"
1714 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1715 VMLIMIT_OBJ=vm-limit.o
1717 AC_CHECK_HEADERS([sys/vlimit.h])
1718 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1721 [[extern char data_start[]; char ch;]],
1722 [[return data_start < &ch;]])],
1723 [emacs_cv_data_start=yes],
1724 [emacs_cv_data_start=no])])
1725 if test $emacs_cv_data_start = yes; then
1726 AC_DEFINE([HAVE_DATA_START], 1,
1727 [Define to 1 if data_start is the address of the start
1728 of the main data segment.])
1731 AC_SUBST(GMALLOC_OBJ)
1732 AC_SUBST(VMLIMIT_OBJ)
1734 if test "$doug_lea_malloc" = "yes" ; then
1735 if test "$GNU_MALLOC" = yes ; then
1737 (Using Doug Lea's new malloc from the GNU C Library.)"
1739 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1740 [Define to 1 if you are using the GNU C Library.])
1742 ## Use mmap directly for allocating larger buffers.
1743 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1744 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1745 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1747 gnu*) REL_ALLOC=no ;;
1751 if test x"${REL_ALLOC}" = x; then
1752 REL_ALLOC=${GNU_MALLOC}
1755 use_mmap_for_buffers=no
1757 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1761 if test $use_mmap_for_buffers = yes; then
1762 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1766 LIBS="$LIBS_SYSTEM $LIBS"
1768 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1769 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1770 AC_CHECK_LIB(dnet, dnet_ntoa)
1771 dnl This causes -lresolv to get used in subsequent tests,
1772 dnl which causes failures on some systems such as HPUX 9.
1773 dnl AC_CHECK_LIB(resolv, gethostbyname)
1775 dnl FIXME replace main with a function we actually want from this library.
1776 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1778 dnl Check if pthreads is available.
1780 AC_CHECK_HEADERS_ONCE(pthread.h)
1781 if test "$ac_cv_header_pthread_h"; then
1782 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1783 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1784 dnl testing for pthread_self if Emacs uses gmalloc.c.
1785 if test "$GMALLOC_OBJ" = gmalloc.o; then
1786 emacs_pthread_function=pthread_atfork
1788 emacs_pthread_function=pthread_self
1790 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1792 if test "$HAVE_PTHREAD" = yes; then
1793 case "${canonical}" in
1795 *) LIB_PTHREAD="-lpthread"
1796 LIBS="$LIB_PTHREAD $LIBS" ;;
1798 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1800 AC_SUBST([LIB_PTHREAD])
1802 AC_CHECK_LIB(pthreads, cma_open)
1804 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1805 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1806 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1807 ## added to LIBS in configure would never contain the pthreads part,
1808 ## but the value used in Makefiles might. FIXME?
1810 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1811 ## be harmless on older versions of X where it happens to exist.
1812 test "$opsys" = "aix4-2" && \
1813 test $ac_cv_lib_pthreads_cma_open = yes && \
1814 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1816 dnl Check for need for bigtoc support on IBM AIX
1820 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1822 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1823 *) gdb_cv_bigtoc=-bbigtoc ;;
1826 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1827 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1832 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1833 # used for the tests that follow. We set them back to REAL_CFLAGS and
1834 # REAL_CPPFLAGS later on.
1836 REAL_CFLAGS="$CFLAGS"
1837 REAL_CPPFLAGS="$CPPFLAGS"
1839 if test "${HAVE_X11}" = "yes"; then
1840 DEFS="$C_SWITCH_X_SITE $DEFS"
1841 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1843 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1844 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1846 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1847 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1848 # but it's more convenient here to set LD_RUN_PATH since this
1849 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1850 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1851 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1855 if test "${opsys}" = "gnu-linux"; then
1856 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1857 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1858 [[XOpenDisplay ("foo");]])],
1859 [xgnu_linux_first_failure=no],
1860 [xgnu_linux_first_failure=yes])
1861 if test "${xgnu_linux_first_failure}" = "yes"; then
1862 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1863 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1864 OLD_CPPFLAGS="$CPPFLAGS"
1866 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1867 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1868 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1869 LIBS="$LIBS -b i486-linuxaout"
1870 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1871 [[XOpenDisplay ("foo");]])],
1872 [xgnu_linux_second_failure=no],
1873 [xgnu_linux_second_failure=yes])
1874 if test "${xgnu_linux_second_failure}" = "yes"; then
1875 # If we get the same failure with -b, there is no use adding -b.
1876 # So take it out. This plays safe.
1877 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1878 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1879 CPPFLAGS="$OLD_CPPFLAGS"
1890 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1891 # header files included from there.
1892 AC_MSG_CHECKING(for Xkb)
1893 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1894 #include <X11/XKBlib.h>]],
1895 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1896 emacs_xkb=yes, emacs_xkb=no)
1897 AC_MSG_RESULT($emacs_xkb)
1898 if test $emacs_xkb = yes; then
1899 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
1902 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1903 XScreenNumberOfScreen)
1906 if test "${window_system}" = "x11"; then
1907 AC_MSG_CHECKING(X11 version 6)
1908 AC_CACHE_VAL(emacs_cv_x11_version_6,
1909 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1910 [[#if XlibSpecificationRelease < 6
1913 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1914 if test $emacs_cv_x11_version_6 = yes; then
1915 AC_MSG_RESULT(6 or newer)
1916 AC_DEFINE(HAVE_X11R6, 1,
1917 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1918 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1919 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1923 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1924 [Define if you have usable X11R6-style XIM support.])
1928 AC_MSG_RESULT(before 6)
1933 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1935 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
1936 if test "${with_rsvg}" != "no"; then
1937 RSVG_REQUIRED=2.11.0
1938 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1940 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1941 AC_SUBST(RSVG_CFLAGS)
1944 if test $HAVE_RSVG = yes; then
1945 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1946 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1947 LIBS="$RSVG_LIBS $LIBS"
1953 if test "${HAVE_X11}" = "yes"; then
1954 if test "${with_imagemagick}" != "no"; then
1955 ## 6.2.8 is the earliest version known to work, but earlier versions
1956 ## might work - let us know if you find one.
1957 ## 6.0.7 does not work. See bug#7955.
1958 ## 6.8.2 makes Emacs crash; see Bug#13867.
1959 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
1960 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1961 AC_SUBST(IMAGEMAGICK_CFLAGS)
1962 AC_SUBST(IMAGEMAGICK_LIBS)
1964 if test $HAVE_IMAGEMAGICK = yes; then
1965 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1966 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1967 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1968 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
1978 if test "${opsys}" != "mingw32"; then
1979 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1982 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1984 dnl Checks for libraries.
1985 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1986 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
1987 AC_MSG_ERROR($GTK_PKG_ERRORS)
1989 if test "$pkg_check_gtk" = "yes"; then
1990 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1991 GTK_OBJ=emacsgtkfixed.o
1992 term_header=gtkutil.h
1993 USE_GTK_TOOLKIT="GTK3"
1994 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
1995 GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
1999 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2003 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2006 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2008 dnl Checks for libraries.
2009 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2010 if test "$pkg_check_gtk" = "no" &&
2011 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2013 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2015 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2019 if test x"$pkg_check_gtk" = xyes; then
2021 AC_SUBST(GTK_CFLAGS)
2023 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2024 CFLAGS="$CFLAGS $GTK_CFLAGS"
2025 LIBS="$GTK_LIBS $LIBS"
2026 dnl Try to compile a simple GTK program.
2028 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2029 if test "${GTK_COMPILES}" != "yes"; then
2030 if test "$USE_X_TOOLKIT" != "maybe"; then
2031 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2035 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2036 GTK_OBJ="gtkutil.o $GTK_OBJ"
2038 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2041 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2042 closing open displays. This is no problem if you just use
2043 one display, but if you use more than one and close one of them
2053 if test "${HAVE_GTK}" = "yes"; then
2055 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2056 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2057 if test "$with_toolkit_scroll_bars" != no; then
2058 with_toolkit_scroll_bars=yes
2061 dnl Check if we have the old file selection dialog declared and
2062 dnl in the link library. In 2.x it may be in the library,
2063 dnl but not declared if deprecated featured has been selected out.
2064 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2065 HAVE_GTK_FILE_SELECTION=no
2066 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2067 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2068 #include <gtk/gtk.h>])
2069 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2070 AC_CHECK_FUNCS(gtk_file_selection_new)
2073 dnl Same as above for gtk_handle_box.
2074 HAVE_GTK_HANDLE_BOX=no
2075 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2076 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2077 #include <gtk/gtk.h>])
2078 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2079 AC_CHECK_FUNCS(gtk_handle_box_new)
2082 dnl Same as above for gtk_tearoff_menu_item.
2083 HAVE_GTK_TEAROFF_MENU_ITEM=no
2084 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2085 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2086 #include <gtk/gtk.h>])
2087 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2088 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2091 dnl Check for functions introduced in 2.14 and later.
2092 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2093 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2094 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2095 gtk_orientable_set_orientation \
2096 gtk_window_set_has_resize_grip)
2098 term_header=gtkutil.h
2101 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2102 dnl other platforms.
2105 if test "${with_dbus}" = "yes"; then
2106 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2107 if test "$HAVE_DBUS" = yes; then
2108 LIBS="$LIBS $DBUS_LIBS"
2109 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2110 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2111 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2113 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2114 dbus_type_is_valid \
2115 dbus_validate_bus_name \
2116 dbus_validate_path \
2117 dbus_validate_interface \
2118 dbus_validate_member)
2124 dnl GSettings has been tested under GNU/Linux only.
2126 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2127 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2128 if test "$HAVE_GSETTINGS" = "yes"; then
2129 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2130 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2131 SETTINGS_LIBS="$GSETTINGS_LIBS"
2135 dnl GConf has been tested under GNU/Linux only.
2136 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2138 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2139 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2140 if test "$HAVE_GCONF" = yes; then
2141 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2142 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2143 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2144 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2148 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2149 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2150 if test "$HAVE_GOBJECT" = "yes"; then
2151 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2152 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2154 SAVE_CFLAGS="$CFLAGS"
2156 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2157 LIBS="$SETTINGS_LIBS $LIBS"
2158 AC_CHECK_FUNCS([g_type_init])
2159 CFLAGS="$SAVE_CFLAGS"
2162 AC_SUBST(SETTINGS_CFLAGS)
2163 AC_SUBST(SETTINGS_LIBS)
2166 dnl SELinux is available for GNU/Linux only.
2169 if test "${with_selinux}" = "yes"; then
2170 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2171 if test "$HAVE_LIBSELINUX" = yes; then
2172 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2173 LIBSELINUX_LIBS=-lselinux
2176 AC_SUBST(LIBSELINUX_LIBS)
2179 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2180 if test "${with_gnutls}" = "yes" ; then
2181 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2182 if test "${HAVE_GNUTLS}" = "yes"; then
2183 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2188 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2189 LIBS="$LIBGNUTLS_LIBS $LIBS"
2190 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2192 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2193 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2196 # Windows loads GnuTLS dynamically
2197 if test "${opsys}" = "mingw32"; then
2204 AC_SUBST(LIBGNUTLS_LIBS)
2205 AC_SUBST(LIBGNUTLS_CFLAGS)
2207 dnl inotify is only available on GNU/Linux.
2208 if test "${with_inotify}" = "yes"; then
2209 AC_CHECK_HEADERS(sys/inotify.h)
2210 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2211 AC_CHECK_FUNC(inotify_init1)
2214 if test "$ac_cv_func_inotify_init1" = yes; then
2215 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2218 dnl POSIX ACL support: provided by libacl on GNU/Linux, by libc on FreeBSD.
2221 if test "${with_acl}" = "yes"; then
2222 AC_CHECK_LIB([acl], [acl_set_file], HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2223 if test "$HAVE_POSIX_ACL" = yes; then
2224 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2227 AC_CHECK_FUNC(acl_set_file, HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2228 if test "$HAVE_POSIX_ACL" = yes; then
2229 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2233 AC_SUBST(LIBACL_LIBS)
2235 dnl Do not put whitespace before the #include statements below.
2236 dnl Older compilers (eg sunos4 cc) choke on it.
2239 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2240 if test "$with_xaw3d" != no; then
2241 AC_CACHE_VAL(emacs_cv_xaw3d,
2242 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2243 #include <X11/Intrinsic.h>
2244 #include <X11/Xaw3d/Simple.h>]],
2246 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2247 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2248 emacs_cv_xaw3d=no)])
2252 if test $emacs_cv_xaw3d = yes; then
2253 AC_MSG_CHECKING(for xaw3d)
2254 AC_MSG_RESULT([yes; using Lucid toolkit])
2258 AC_DEFINE(HAVE_XAW3D, 1,
2259 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2261 AC_MSG_CHECKING(for xaw3d)
2263 AC_MSG_CHECKING(for libXaw)
2264 AC_CACHE_VAL(emacs_cv_xaw,
2265 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2266 #include <X11/Intrinsic.h>
2267 #include <X11/Xaw/Simple.h>]],
2271 if test $emacs_cv_xaw = yes; then
2272 AC_MSG_RESULT([yes; using Lucid toolkit])
2275 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2276 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2278 AC_MSG_ERROR([No X toolkit could be found.
2279 If you are sure you want Emacs compiled without an X toolkit, pass
2281 to configure. Otherwise, install the development libraries for the toolkit
2282 that you want to use (e.g. Gtk+) and re-run configure.])
2287 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2290 if test "${USE_X_TOOLKIT}" != "none"; then
2291 AC_MSG_CHECKING(X11 toolkit version)
2292 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2293 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2294 [[#if XtSpecificationRelease < 6
2297 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2298 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2299 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2300 AC_MSG_RESULT(6 or newer)
2301 AC_DEFINE(HAVE_X11XTR6, 1,
2302 [Define to 1 if you have the X11R6 or newer version of Xt.])
2303 LIBXTR6="-lSM -lICE"
2305 ## Use libw.a along with X11R6 Xt.
2306 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2309 AC_MSG_RESULT(before 6)
2312 dnl If using toolkit, check whether libXmu.a exists.
2313 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2315 if test x$HAVE_X11XTR6 = xyes; then
2316 LIBS="-lXt -lSM -lICE $LIBS"
2320 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2321 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2322 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2326 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2327 dnl Why not just test for libxmu in the normal way?
2330 ## These systems don't supply Xmu.
2332 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2340 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2341 if test "${HAVE_X11}" = "yes"; then
2342 if test "${USE_X_TOOLKIT}" != "none"; then
2343 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2348 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2349 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2350 if test -d /usr/include/openmotif; then
2351 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2352 emacs_cv_openmotif=yes
2353 case "$canonical" in
2354 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2355 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2358 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2361 emacs_cv_openmotif=no
2363 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2364 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2365 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2368 Motif version prior to 2.1.
2370 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2371 if test $emacs_cv_motif_version_2_1 = yes; then
2372 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2373 if test x$emacs_cv_openmotif = xyes; then
2374 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2377 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2378 # We put this in CFLAGS temporarily to precede other -I options
2379 # that might be in CFLAGS temporarily.
2380 # We put this in CPPFLAGS where it precedes the other -I options.
2381 OLD_CPPFLAGS=$CPPFLAGS
2383 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2384 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2385 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2387 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2388 if test $emacs_cv_lesstif = yes; then
2389 # Make sure this -I option remains in CPPFLAGS after it is set
2390 # back to REAL_CPPFLAGS.
2391 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2392 # have those other -I options anyway. Ultimately, having this
2393 # directory ultimately in CPPFLAGS will be enough.
2394 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2395 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2398 CPPFLAGS=$OLD_CPPFLAGS
2401 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2402 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2405 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2406 dnl using Motif or Xaw3d is available, and unless
2407 dnl --with-toolkit-scroll-bars=no was specified.
2409 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2410 [Define to 1 if we should use toolkit scroll bars.])dnl
2411 USE_TOOLKIT_SCROLL_BARS=no
2412 if test "${with_toolkit_scroll_bars}" != "no"; then
2413 if test "${USE_X_TOOLKIT}" != "none"; then
2414 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2415 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2417 USE_TOOLKIT_SCROLL_BARS=yes
2418 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2419 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2420 USE_TOOLKIT_SCROLL_BARS=yes
2422 elif test "${HAVE_GTK}" = "yes"; then
2423 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2424 USE_TOOLKIT_SCROLL_BARS=yes
2425 elif test "${HAVE_NS}" = "yes"; then
2426 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2427 USE_TOOLKIT_SCROLL_BARS=yes
2428 elif test "${HAVE_W32}" = "yes"; then
2429 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2430 USE_TOOLKIT_SCROLL_BARS=yes
2434 dnl See if XIM is available.
2435 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2436 #include <X11/Xlib.h>
2437 #include <X11/Xresource.h>]],
2438 [[XIMProc callback;]])],
2440 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2443 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2445 if test "${with_xim}" != "no"; then
2446 AC_DEFINE(USE_XIM, 1,
2447 [Define to 1 if we should use XIM, if it is available.])
2451 if test "${HAVE_XIM}" != "no"; then
2453 if test "$GCC" = yes; then
2454 CFLAGS="$CFLAGS --pedantic-errors"
2456 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2457 #include <X11/Xlib.h>
2458 #include <X11/Xresource.h>]],
2464 XPointer *client_data;
2466 /* If we're not using GCC, it's probably not XFree86, and this is
2467 probably right, but we can't use something like --pedantic-errors. */
2468 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2469 char*, XIMProc, XPointer*);
2471 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2473 [emacs_cv_arg6_star=yes])
2474 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2475 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2476 either XPointer or XPointer*.])dnl
2477 if test "$emacs_cv_arg6_star" = yes; then
2478 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2480 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2485 ### Start of font-backend (under any platform) section.
2486 # (nothing here yet -- this is a placeholder)
2487 ### End of font-backend (under any platform) section.
2489 ### Start of font-backend (under X11) section.
2490 if test "${HAVE_X11}" = "yes"; then
2491 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2493 ## Use -lXft if available, unless `--with-xft=no'.
2495 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2498 if test "x${with_xft}" != "xno"; then
2500 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2501 ## Because xftfont.c uses XRenderQueryExtension, we also
2502 ## need to link to -lXrender.
2504 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2505 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2506 OLD_CPPFLAGS="$CPPFLAGS"
2507 OLD_CFLAGS="$CFLAGS"
2509 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2510 CFLAGS="$CFLAGS $XFT_CFLAGS"
2511 XFT_LIBS="-lXrender $XFT_LIBS"
2512 LIBS="$XFT_LIBS $LIBS"
2513 AC_CHECK_HEADER(X11/Xft/Xft.h,
2514 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2516 if test "${HAVE_XFT}" = "yes"; then
2517 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2519 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2521 CPPFLAGS="$OLD_CPPFLAGS"
2522 CFLAGS="$OLD_CFLAGS"
2524 fi # "${HAVE_XFT}" = "yes"
2525 fi # "$HAVE_XFT" != no
2526 fi # "x${with_xft}" != "xno"
2528 ## We used to allow building with FreeType and without Xft.
2529 ## However, the ftx font backend driver is not in good shape.
2530 if test "$HAVE_XFT" != "yes"; then
2531 dnl For the "Does Emacs use" message at the end.
2535 dnl Strict linkers fail with
2536 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2537 dnl if -lfreetype is not specified.
2538 dnl The following is needed to set FREETYPE_LIBS.
2539 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2542 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2546 if test "${HAVE_FREETYPE}" = "yes"; then
2547 AC_DEFINE(HAVE_FREETYPE, 1,
2548 [Define to 1 if using the freetype and fontconfig libraries.])
2549 if test "${with_libotf}" != "no"; then
2550 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2552 if test "$HAVE_LIBOTF" = "yes"; then
2553 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2554 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2555 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2556 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2557 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2558 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2559 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2563 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2564 dnl Does the new font backend require it, or can it work without it?
2568 if test "${HAVE_LIBOTF}" = yes; then
2569 if test "${with_m17n_flt}" != "no"; then
2570 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2571 if test "$HAVE_M17N_FLT" = "yes"; then
2572 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2583 ### End of font-backend (under X11) section.
2585 AC_SUBST(FREETYPE_CFLAGS)
2586 AC_SUBST(FREETYPE_LIBS)
2587 AC_SUBST(FONTCONFIG_CFLAGS)
2588 AC_SUBST(FONTCONFIG_LIBS)
2589 AC_SUBST(LIBOTF_CFLAGS)
2590 AC_SUBST(LIBOTF_LIBS)
2591 AC_SUBST(M17N_FLT_CFLAGS)
2592 AC_SUBST(M17N_FLT_LIBS)
2594 ### Use -lXpm if available, unless `--with-xpm=no'.
2595 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2598 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2599 if test "${with_xpm}" != "no"; then
2600 SAVE_CPPFLAGS="$CPPFLAGS"
2601 SAVE_LDFLAGS="$LDFLAGS"
2602 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2603 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2604 AC_CHECK_HEADER(X11/xpm.h,
2605 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2606 if test "${HAVE_XPM}" = "yes"; then
2607 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2608 AC_EGREP_CPP(no_return_alloc_pixels,
2609 [#include "X11/xpm.h"
2610 #ifndef XpmReturnAllocPixels
2611 no_return_alloc_pixels
2613 ], HAVE_XPM=no, HAVE_XPM=yes)
2615 if test "${HAVE_XPM}" = "yes"; then
2616 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2620 CPPFLAGS="$SAVE_CPPFLAGS"
2621 LDFLAGS="$SAVE_LDFLAGS"
2626 if test "${HAVE_XPM}" = "yes"; then
2627 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2632 if test "${HAVE_X11}" = "yes"; then
2633 if test "${with_xpm}" != "no"; then
2634 AC_CHECK_HEADER(X11/xpm.h,
2635 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2636 if test "${HAVE_XPM}" = "yes"; then
2637 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2638 AC_EGREP_CPP(no_return_alloc_pixels,
2639 [#include "X11/xpm.h"
2640 #ifndef XpmReturnAllocPixels
2641 no_return_alloc_pixels
2643 ], HAVE_XPM=no, HAVE_XPM=yes)
2645 if test "${HAVE_XPM}" = "yes"; then
2653 if test "${HAVE_XPM}" = "yes"; then
2654 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2659 if test "${opsys}" = "mingw32"; then
2660 if test "${with_xpm}" != "no"; then
2661 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2665 if test "${HAVE_XPM}" = "yes"; then
2666 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2672 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2673 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2676 if test "${opsys}" = "mingw32"; then
2677 if test "${with_jpeg}" != "no"; then
2678 dnl Checking for jpeglib.h can lose because of a redefinition of
2680 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2682 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2683 if test "${HAVE_JPEG}" = "yes"; then
2684 AC_DEFINE(HAVE_JPEG)
2685 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2686 [#include <jpeglib.h>
2687 version=JPEG_LIB_VERSION
2689 [AC_DEFINE(HAVE_JPEG)],
2690 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2693 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2694 if test "${with_jpeg}" != "no"; then
2695 dnl Checking for jpeglib.h can lose because of a redefinition of
2697 AC_CHECK_HEADER(jerror.h,
2698 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2701 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2702 if test "${HAVE_JPEG}" = "yes"; then
2703 AC_DEFINE(HAVE_JPEG)
2704 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2705 [#include <jpeglib.h>
2706 version=JPEG_LIB_VERSION
2708 [AC_DEFINE(HAVE_JPEG)],
2709 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2712 if test "${HAVE_JPEG}" = "yes"; then
2718 ### Use -lpng if available, unless `--with-png=no'.
2719 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2722 if test "${opsys}" = "mingw32"; then
2723 if test "${with_png}" != "no"; then
2724 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2726 if test "${HAVE_PNG}" = "yes"; then
2727 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2729 AC_CHECK_DECL(png_longjmp,
2731 [AC_DEFINE(PNG_DEPSTRUCT, [],
2732 [Define to empty to suppress deprecation warnings when building
2733 with --enable-gcc-warnings and with libpng versions before 1.5,
2734 which lack png_longjmp.])],
2735 [[#ifdef HAVE_LIBPNG_PNG_H
2736 # include <libpng/png.h>
2742 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2743 if test "${with_png}" != "no"; then
2744 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2745 # in /usr/include/libpng.
2746 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2747 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2748 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2752 if test "${HAVE_PNG}" = "yes"; then
2753 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2754 LIBPNG="-lpng -lz -lm"
2756 AC_CHECK_DECL(png_longjmp,
2758 [AC_DEFINE(PNG_DEPSTRUCT, [],
2759 [Define to empty to suppress deprecation warnings when building
2760 with --enable-gcc-warnings and with libpng versions before 1.5,
2761 which lack png_longjmp.])],
2762 [[#ifdef HAVE_LIBPNG_PNG_H
2763 # include <libpng/png.h>
2772 ### Use -ltiff if available, unless `--with-tiff=no'.
2773 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
2776 if test "${opsys}" = "mingw32"; then
2777 if test "${with_tiff}" != "no"; then
2778 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
2780 if test "${HAVE_TIFF}" = "yes"; then
2781 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2783 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2784 if test "${with_tiff}" != "no"; then
2785 AC_CHECK_HEADER(tiffio.h,
2787 # At least one tiff package requires the jpeg library.
2788 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2789 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2792 if test "${HAVE_TIFF}" = "yes"; then
2793 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2794 dnl FIXME -lz -lm, as per libpng?
2800 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2801 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
2804 if test "${opsys}" = "mingw32"; then
2805 if test "${with_gif}" != "no"; then
2806 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
2808 if test "${HAVE_GIF}" = "yes"; then
2809 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2811 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
2812 || test "${HAVE_W32}" = "yes"; then
2813 AC_CHECK_HEADER(gif_lib.h,
2814 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2815 # Earlier versions can crash Emacs.
2816 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2818 if test "$HAVE_GIF" = yes; then
2820 elif test "$HAVE_GIF" = maybe; then
2821 # If gif_lib.h but no libgif, try libungif.
2822 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2823 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2826 if test "${HAVE_GIF}" = "yes"; then
2827 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2832 dnl Check for required libraries.
2833 if test "${HAVE_X11}" = "yes"; then
2836 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2837 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2838 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2839 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2840 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2841 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2842 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2843 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2844 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2845 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2847 if test "X${MISSING}" != X; then
2848 AC_MSG_ERROR([The following required libraries were not found:
2850 Maybe some development libraries/packages are missing?
2851 If you don't want to link with them give
2853 as options to configure])
2857 ### Use -lgpm if available, unless `--with-gpm=no'.
2860 if test "${with_gpm}" != "no"; then
2861 AC_CHECK_HEADER(gpm.h,
2862 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2864 if test "${HAVE_GPM}" = "yes"; then
2865 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2871 dnl Check for malloc/malloc.h on darwin
2872 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2875 ### Use NeXTstep API to implement GUI.
2876 if test "${HAVE_NS}" = "yes"; then
2877 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2878 if test "${NS_IMPL_COCOA}" = "yes"; then
2879 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2881 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2882 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2883 # See also .m.o rule in Makefile.in */
2884 # FIXME: are all these flags really needed? Document here why. */
2885 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2886 ## Extra CFLAGS applied to src/*.m files.
2887 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"
2889 # We also have mouse menus.
2894 if test "${HAVE_W32}" = "yes"; then
2898 ### Use session management (-lSM -lICE) if available
2901 if test "${HAVE_X11}" = "yes"; then
2902 AC_CHECK_HEADER(X11/SM/SMlib.h,
2903 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2905 if test "${HAVE_X_SM}" = "yes"; then
2906 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2910 *) LIBS="$LIBXSM $LIBS" ;;
2916 ### Use libxml (-lxml2) if available
2917 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
2919 if test "${with_xml2}" != "no"; then
2920 ### I'm not sure what the version number should be, so I just guessed.
2921 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2922 if test "${HAVE_LIBXML2}" = "yes"; then
2923 if test "${opsys}" != "mingw32"; then
2924 LIBS="$LIBXML2_LIBS $LIBS"
2925 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2929 if test "${HAVE_LIBXML2}" = "yes"; then
2930 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2937 AC_SUBST(LIBXML2_LIBS)
2938 AC_SUBST(LIBXML2_CFLAGS)
2940 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2941 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
2942 if test "${opsys}" = "mingw32"; then
2943 emacs_cv_netdb_declares_h_errno=yes
2945 AC_CACHE_CHECK(whether netdb declares h_errno,
2946 emacs_cv_netdb_declares_h_errno,
2947 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2948 [[return h_errno;]])],
2949 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2950 if test $emacs_cv_netdb_declares_h_errno = yes; then
2951 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2954 # sqrt and other floating-point functions such as fmod and frexp
2955 # are found in -lm on most systems, but mingw32 doesn't use -lm.
2956 if test "${opsys}" != "mingw32"; then
2957 AC_CHECK_LIB(m, sqrt)
2960 # Check for mail-locking functions in a "mail" library. Probably this should
2961 # have the same check as for liblockfile below.
2962 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2963 if test $have_mail = yes; then
2965 LIBS="$LIBS_MAIL $LIBS"
2966 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2970 dnl Debian, at least:
2971 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2972 if test $have_lockfile = yes; then
2973 LIBS_MAIL=-llockfile
2974 LIBS="$LIBS_MAIL $LIBS"
2975 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2977 # If we have the shared liblockfile, assume we must use it for mail
2978 # locking (e.g. Debian). If we couldn't link against liblockfile
2979 # (no liblockfile.a installed), ensure that we don't need to.
2980 dnl This works for files generally, not just executables.
2981 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2982 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2983 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2984 if test $ac_cv_prog_liblockfile = yes; then
2985 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2986 This probably means that movemail could lose mail.
2987 There may be a `development' package to install containing liblockfile.])
2990 AC_CHECK_HEADERS_ONCE(maillock.h)
2993 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2994 ## interlock access to the mail spool. The alternative is a lock file named
2995 ## /usr/spool/mail/$USER.lock.
2998 aix4-2) mail_lock="lockf" ;;
3000 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3002 ## On GNU/Linux systems, both methods are used by various mail programs.
3003 ## I assume most people are using newer mailers that have heard of flock.
3004 ## Change this if you need to.
3005 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3006 ## configure gets the right answers, and that means *NOT* using flock.
3007 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3008 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3009 ## Debian maintainer hasn't provided a clean fix for Emacs.
3010 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3011 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3012 ## correct logic. -- fx
3013 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3014 ## liblockfile is a Free Software replacement for libmail, used on
3015 ## Debian systems and elsewhere. -rfr.
3018 if test $have_mail = yes || test $have_lockfile = yes; then
3019 test $ac_cv_header_maillock_h = yes && mail_lock=no
3025 case "$mail_lock" in
3026 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3028 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3030 *) BLESSMAIL_TARGET="need-blessmail" ;;
3032 AC_SUBST(BLESSMAIL_TARGET)
3035 AC_CHECK_FUNCS(gethostname \
3036 getrusage get_current_dir_name \
3038 select getpagesize setlocale \
3039 utimes getrlimit setrlimit shutdown getaddrinfo \
3040 strsignal setitimer \
3041 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3042 gai_strerror mkstemp getline getdelim sync \
3043 difftime posix_memalign \
3044 getpwent endpwent getgrent endgrent \
3046 cfmakeraw cfsetspeed copysign __executable_start)
3048 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3049 ## has a broken `rint' in some library versions including math library
3050 ## version number A.09.05.
3051 ## You can fix the math library by installing patch number PHSS_4630.
3052 ## But we can fix it more reliably for Emacs by just not using rint.
3053 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3056 *) AC_CHECK_FUNCS(random rint) ;;
3059 dnl Cannot use AC_CHECK_FUNCS
3060 AC_CACHE_CHECK([for __builtin_unwind_init],
3061 emacs_cv_func___builtin_unwind_init,
3062 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3063 emacs_cv_func___builtin_unwind_init=yes,
3064 emacs_cv_func___builtin_unwind_init=no)])
3065 if test $emacs_cv_func___builtin_unwind_init = yes; then
3066 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3067 [Define to 1 if you have the `__builtin_unwind_init' function.])
3070 AC_CHECK_HEADERS_ONCE(sys/un.h)
3075 AC_CHECK_FUNCS(grantpt)
3077 # PTY-related GNU extensions.
3078 AC_CHECK_FUNCS(getpt posix_openpt)
3080 # Check this now, so that we will NOT find the above functions in ncurses.
3081 # That is because we have not set up to link ncurses in lib-src.
3082 # It's better to believe a function is not available
3083 # than to expect to find it in ncurses.
3084 # Also we need tputs and friends to be able to build at all.
3085 AC_MSG_CHECKING([for library containing tputs])
3086 # Run a test program that contains a call to tputs, a call that is
3087 # never executed. This tests whether a pre-'main' dynamic linker
3088 # works with the library. It's too much trouble to actually call
3089 # tputs in the test program, due to portability hassles. When
3090 # cross-compiling, assume the test program will run if it links.
3091 AC_DEFUN([tputs_link_source], [
3093 [[extern void tputs (const char *, int, int (*)(int));
3094 int main (int argc, char **argv)
3097 tputs (argv[0], 0, 0);
3101 if test "${opsys}" = "mingw32"; then
3104 # Maybe curses should be tried earlier?
3105 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3106 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3108 if test -z "$tputs_library"; then
3112 LIBS_TERMCAP=-l$tputs_library
3114 LIBS="$LIBS_TERMCAP $LIBS"
3116 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3117 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3119 if test "X$msg" != Xno; then
3124 AC_MSG_RESULT([$msg])
3125 if test "X$msg" = Xno; then
3126 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3127 The following libraries were tried (in order):
3128 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3129 Please try installing whichever of these libraries is most appropriate
3130 for your system, together with its header files.
3131 For example, a libncurses-dev(el) or similar package.])
3134 ## Use termcap instead of terminfo?
3135 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3137 ## FIXME? In the cases below where we unconditionally set
3138 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3139 ## if that was found above to have tputs.
3140 ## Should we use the gnu* logic everywhere?
3142 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3143 ## The ncurses library has been moved out of the System framework in
3144 ## Mac OS X 10.2. So if configure detects it, set the command-line
3145 ## option to use it.
3146 darwin) LIBS_TERMCAP="-lncurses" ;;
3148 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3151 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3152 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3153 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3154 [[#if __FreeBSD_version < 400000
3157 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3159 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3161 if test $emacs_cv_freebsd_terminfo = yes; then
3162 LIBS_TERMCAP="-lncurses"
3165 LIBS_TERMCAP="-ltermcap"
3175 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3177 LIBS_TERMCAP="-ltermcap"
3181 openbsd) LIBS_TERMCAP="-lncurses" ;;
3183 ## hpux: Make sure we get select from libc rather than from libcurses
3184 ## because libcurses on HPUX 10.10 has a broken version of select.
3185 ## We used to use -lc -lcurses, but this may be cleaner.
3186 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3187 # set that way, now it uses the default). Isn't this a contradiction?
3188 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3192 TERMCAP_OBJ=tparam.o
3193 if test $TERMINFO = yes; then
3194 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3195 TERMCAP_OBJ=terminfo.o
3197 AC_SUBST(LIBS_TERMCAP)
3198 AC_SUBST(TERMCAP_OBJ)
3201 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3202 # On Darwin, res_init appears not to be useful: see bug#562 and
3203 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3206 if test $opsys != darwin; then
3208 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3209 #include <arpa/nameser.h>
3210 #include <resolv.h>]],
3211 [[return res_init();]])],
3212 have_res_init=yes, have_res_init=no)
3213 if test "$have_res_init" = no; then
3215 LIBS="$LIBS -lresolv"
3216 AC_MSG_CHECKING(for res_init with -lresolv)
3217 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3218 #include <arpa/nameser.h>
3219 #include <resolv.h>]],
3220 [[return res_init();]])],
3221 have_res_init=yes, have_res_init=no)
3222 AC_MSG_RESULT($have_res_init)
3223 if test "$have_res_init" = yes ; then
3229 if test "$have_res_init" = yes; then
3230 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3234 # Do we need the Hesiod library to provide the support routines?
3235 dnl FIXME? Should we be skipping this on Darwin too?
3237 if test "$with_hesiod" != no ; then
3238 # Don't set $LIBS here -- see comments above. FIXME which comments?
3239 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3240 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3241 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3242 if test "$resolv" = yes ; then
3247 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3248 hesiod=yes, :, $RESOLVLIB)])
3250 if test x"$hesiod" = xyes; then
3251 AC_DEFINE(HAVE_LIBHESIOD, 1,
3252 [Define to 1 if you have the hesiod library (-lhesiod).])
3258 # Do we need libresolv (due to res_init or Hesiod)?
3259 if test "$resolv" = yes && test $opsys != darwin; then
3260 AC_DEFINE(HAVE_LIBRESOLV, 1,
3261 [Define to 1 if you have the resolv library (-lresolv).])
3268 # These tell us which Kerberos-related libraries to use.
3275 if test "${with_kerberos}" != no; then
3276 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3277 if test $have_com_err = yes; then
3278 COM_ERRLIB=-lcom_err
3279 LIBS="$COM_ERRLIB $LIBS"
3280 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3282 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3283 if test $have_crypto = yes; then
3285 LIBS="$CRYPTOLIB $LIBS"
3286 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3288 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3289 if test $have_k5crypto = yes; then
3290 CRYPTOLIB=-lk5crypto
3291 LIBS="$CRYPTOLIB $LIBS"
3292 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3294 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3295 if test $have_krb5=yes; then
3297 LIBS="$KRB5LIB $LIBS"
3298 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3300 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3301 if test "${with_kerberos5}" = no; then
3302 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3303 if test $have_des425 = yes; then
3305 LIBS="$DESLIB $LIBS"
3306 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3308 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3309 if test $have_des = yes; then
3311 LIBS="$DESLIB $LIBS"
3312 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3315 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3316 if test $have_krb4 = yes; then
3318 LIBS="$KRB4LIB $LIBS"
3319 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3321 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3322 if test $have_krb = yes; then
3324 LIBS="$KRB4LIB $LIBS"
3325 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3330 if test "${with_kerberos5}" != no; then
3331 AC_CHECK_HEADERS(krb5.h,
3332 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3333 [#include <krb5.h>])])
3335 AC_CHECK_HEADERS(des.h,,
3336 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3337 [AC_CHECK_HEADERS(kerberos/des.h)])])
3338 AC_CHECK_HEADERS(krb.h,,
3339 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3340 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3342 AC_CHECK_HEADERS(com_err.h)
3345 AC_SUBST(COM_ERRLIB)
3351 AC_CHECK_FUNCS_ONCE(tzset)
3352 AC_MSG_CHECKING(whether localtime caches TZ)
3353 AC_CACHE_VAL(emacs_cv_localtime_cache,
3354 [if test x$ac_cv_func_tzset = xyes; then
3355 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3356 char TZ_GMT0[] = "TZ=GMT0";
3357 char TZ_PST8[] = "TZ=PST8";
3360 time_t now = time ((time_t *) 0);
3361 int hour_GMT0, hour_unset;
3362 if (putenv (TZ_GMT0) != 0)
3364 hour_GMT0 = localtime (&now)->tm_hour;
3366 hour_unset = localtime (&now)->tm_hour;
3367 if (putenv (TZ_PST8) != 0)
3369 if (localtime (&now)->tm_hour == hour_GMT0)
3372 if (localtime (&now)->tm_hour != hour_unset)
3375 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3376 [# If we have tzset, assume the worst when cross-compiling.
3377 emacs_cv_localtime_cache=yes])
3379 # If we lack tzset, report that localtime does not cache TZ,
3380 # since we can't invalidate the cache if we don't have tzset.
3381 emacs_cv_localtime_cache=no
3383 AC_MSG_RESULT($emacs_cv_localtime_cache)
3384 if test $emacs_cv_localtime_cache = yes; then
3385 AC_DEFINE(LOCALTIME_CACHE, 1,
3386 [Define to 1 if localtime caches TZ.])
3390 AC_CHECK_FUNC(socket, , ok_so_far=no)
3391 if test $ok_so_far = yes; then
3392 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3394 if test $ok_so_far = yes; then
3395 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3397 if test $ok_so_far = yes; then
3398 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3399 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3400 [Define to 1 if you have inet sockets.])
3403 if test -f /usr/lpp/X11/bin/smt.exp; then
3404 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3405 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3408 AC_MSG_CHECKING(whether system supports dynamic ptys)
3409 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3411 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3416 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3417 dnl This can be removed once we assume Autoconf 2.70.
3419 *-solaris2.4 | *-solaris2.4.*)
3420 dnl Disable the Autoconf-generated vfork test.
3421 : ${ac_cv_func_vfork_works=no};;
3426 AC_CHECK_FUNCS(snprintf)
3428 dnl Adapted from Haible's version.
3429 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3430 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3431 [[char* cs = nl_langinfo(CODESET);]])],
3432 emacs_cv_langinfo_codeset=yes,
3433 emacs_cv_langinfo_codeset=no)
3435 if test $emacs_cv_langinfo_codeset = yes; then
3436 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3437 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3442 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3443 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3444 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3445 if test "$emacs_cv_c_restrict_arr" = yes; then
3446 AC_DEFINE(__restrict_arr, __restrict,
3447 [Define to compiler's equivalent of C99 restrict keyword in array
3448 declarations. Define as empty for no equivalent.])
3451 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3452 dnl how the tty code is related to POSIX and/or other versions of termios.
3453 dnl The following looks like a useful start.
3455 dnl AC_SYS_POSIX_TERMIOS
3456 dnl if test $ac_cv_sys_posix_termios = yes; then
3457 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3458 dnl and macros for terminal control.])
3459 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3462 dnl Turned on June 1996 supposing nobody will mind it.
3463 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3464 if test "${opsys}" != "mingw32"; then
3465 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3466 in the full name stands for the login id.])
3469 dnl Every platform that uses configure supports this.
3470 dnl There is a create-lockfiles option you can
3471 dnl customize if you do not want the lock files to be written.
3472 dnl So it is not clear that this #define still needs to exist.
3473 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3474 so that Emacs can tell instantly when you try to modify a file that
3475 someone else has modified in his/her Emacs.])
3477 dnl Everybody supports this, except MS.
3478 dnl Seems like the kind of thing we should be testing for, though.
3479 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3480 if test "${opsys}" != "mingw32"; then
3481 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3484 dnl Everybody supports this, except MS-DOS.
3485 dnl Seems like the kind of thing we should be testing for, though.
3486 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3487 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3488 4.2-compatible sockets.])
3490 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3492 if test "${opsys}" = "mingw32"; then
3493 AC_DEFINE(NULL_DEVICE, ["NUL:"], [Name of the file to open to get
3494 a null file, or a data sink.])
3496 AC_DEFINE(NULL_DEVICE, ["/dev/null"], [Name of the file to open to get
3497 a null file, or a data sink.])
3500 if test "${opsys}" = "mingw32"; then
3501 AC_DEFINE(SEPCHAR, [';'], [Character that separates PATH elements.])
3503 AC_DEFINE(SEPCHAR, [':'], [Character that separates PATH elements.])
3506 dnl Everybody supports this, except MS-DOS.
3507 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3509 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3512 AC_DEFINE(DIRECTORY_SEP, ['/'],
3513 [Character that separates directories in a file name.])
3515 if test "${opsys}" = "mingw32"; then
3516 dnl Only used on MS platforms.
3517 AC_DEFINE(DEVICE_SEP, ':', [Character that separates a device in a file name.])
3518 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == DEVICE_SEP)],
3519 [Returns true if character is a device separator.])
3521 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3522 [Returns true if character is a directory separator.])
3524 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3525 [Returns true if character is any form of separator.])
3527 AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.])
3529 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3530 [Returns true if character is a device separator.])
3532 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3533 [Returns true if character is a directory separator.])
3535 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3536 [Returns true if character is any form of separator.])
3539 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3543 dnl Unfortunately without libXmu we cannot support EditRes.
3544 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3545 AC_DEFINE(NO_EDITRES, 1)
3550 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3551 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3552 AC_DEFINE(NO_EDITRES, 1)
3558 irix6-5 | sol2* | unixware )
3559 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3560 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3561 dnl need the constant to dimension an array. So wire in the appropriate
3563 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3567 emacs_broken_SIGIO=no
3570 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3571 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3572 hpux* | irix6-5 | openbsd | sol2* | unixware )
3573 emacs_broken_SIGIO=yes
3577 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3578 dnl the way this system works, libc functions that return malloced
3579 dnl memory use the libc malloc implementation. Calling xfree or
3580 dnl xrealloc on the results of such functions results in a crash.
3582 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3583 dnl but that does not currently work on this system.
3585 dnl It is possible to completely override the malloc implementation on
3586 dnl AIX, but that involves putting the malloc functions in a shared
3587 dnl library and setting the MALLOCTYPE environment variable to point to
3588 dnl that shared library.
3590 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3591 dnl to avoid a crash just use the Emacs implementation for that function.
3593 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3594 dnl of this file, so that we do not check for get_current_dir_name
3595 dnl on AIX. But that might be fragile if something else ends
3596 dnl up testing for get_current_dir_name as a dependency.
3597 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3598 get_current_dir_name should not be used.])
3602 dnl Circumvent a bug in FreeBSD. In the following sequence of
3603 dnl writes/reads on a PTY, read(2) returns bogus data:
3605 dnl write(2) 1022 bytes
3606 dnl write(2) 954 bytes, get EAGAIN
3607 dnl read(2) 1024 bytes in process_read_output
3608 dnl read(2) 11 bytes in process_read_output
3610 dnl That is, read(2) returns more bytes than have ever been written
3611 dnl successfully. The 1033 bytes read are the 1022 bytes written
3612 dnl successfully after processing (for example with CRs added if the
3613 dnl terminal is set up that way which it is here). The same bytes will
3614 dnl be seen again in a later read(2), without the CRs.
3615 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3616 work around an issue when reading from a PTY.])
3622 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3623 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3628 darwin | freebsd | netbsd | openbsd )
3629 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3630 close a pty to make it a controlling terminal (it is already a
3631 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3635 dnl FIXME Surely we can test for this rather than hard-code it.
3637 netbsd | openbsd) sound_device="/dev/audio" ;;
3638 *) sound_device="/dev/dsp" ;;
3642 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3643 [Name of the default sound device.])
3646 dnl Emacs can read input using SIGIO and buffering characters itself,
3647 dnl or using CBREAK mode and making C-g cause SIGINT.
3648 dnl The choice is controlled by the variable interrupt_input.
3650 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3652 dnl Emacs uses the presence of the USABLE_SIGIO macro
3653 dnl to indicate whether or not signal-driven I/O is possible. It uses
3654 dnl INTERRUPT_INPUT to decide whether to use it by default.
3656 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3657 dnl CBREAK mode has two disadvantages
3658 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3659 dnl I hear that in system V this problem does not exist.
3660 dnl 2) Control-G causes output to be discarded.
3661 dnl I do not know whether this can be fixed in system V.
3663 dnl Another method of doing input is planned but not implemented.
3664 dnl It would have Emacs fork off a separate process
3665 dnl to read the input and send it to the true Emacs process
3668 darwin | gnu-linux | gnu-kfreebsd )
3669 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3674 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3675 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3676 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3677 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3678 dnl taking float or double parameters.
3680 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3681 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3682 file defines `NeedWidePrototypes' as `NO'.])
3687 dnl Used in process.c, this must be a loop, even if it only runs once.
3688 dnl (Except on SGI; see below. Take that, clarity and consistency!)
3689 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
3690 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
3691 dnl trying suffixes 0-16.
3692 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
3693 first PTY, if PTYs are supported.])
3694 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
3695 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
3696 end of a PTY, if non-standard.])
3697 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
3698 end of a PTY, if non-standard.])
3702 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
3703 dnl You allocate a pty by opening /dev/ptc to get the master side.
3704 dnl To get the name of the slave side, you just ttyname() the master side.
3705 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
3706 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
3710 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3711 dnl multi-line AC_DEFINEs are hard. :(
3712 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)])
3713 AC_DEFINE(PTY_NAME_SPRINTF, [])
3714 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3717 dnl FIXME? Maybe use same as freebsd - see bug#12040.
3719 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3720 dnl Not used, because PTY_ITERATION is defined.
3721 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3722 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
3723 dnl But we don't have to block SIGCHLD because it is blocked in the
3724 dnl implementation of grantpt.
3725 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
3726 AC_DEFINE(PTY_NAME_SPRINTF, [])
3727 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3731 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3734 gnu-linux | gnu-kfreebsd | freebsd | netbsd )
3736 if test "x$ac_cv_func_grantpt" = xyes; then
3737 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
3738 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3739 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
3740 dnl to prevent sigchld_handler from intercepting the child's death.
3741 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); }])
3742 dnl if HAVE_POSIX_OPENPT
3743 if test "x$ac_cv_func_posix_openpt" = xyes; then
3744 AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
3745 AC_DEFINE(PTY_NAME_SPRINTF, [])
3747 elif test "x$ac_cv_func_getpt" = xyes; then
3748 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
3749 AC_DEFINE(PTY_NAME_SPRINTF, [])
3751 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3754 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3759 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3760 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
3761 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
3765 dnl It looks like this cannot be right, because it is not a loop.
3766 dnl However, process.c actually does this:
3772 dnl which presumably makes it OK, since irix == sgi (?).
3773 dnl FIXME it seems like this special treatment is unnecessary?
3774 dnl Why can't irix use a single-trip loop like eg cygwin?
3775 AC_DEFINE(PTY_ITERATION, [])
3776 dnl Not used, because PTY_ITERATION is defined.
3777 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
3778 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); }])
3779 dnl No need to get the pty name at all.
3780 AC_DEFINE(PTY_NAME_SPRINTF, [])
3781 dnl No need to use sprintf to get the tty name--we get that from _getpty.
3782 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3786 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
3787 dnl from intercepting that death. If any child but grantpt's should die
3788 dnl within, it should be caught after sigrelse(2).
3789 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); }])
3793 dnl Comments are as per sol2*.
3794 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); }])
3801 dnl This change means that we don't loop through allocate_pty too
3802 dnl many times in the (rare) event of a failure.
3803 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
3804 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3805 dnl Push various streams modules onto a PTY channel. Used in process.c.
3806 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.])
3811 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
3812 "typing" a signal character on the pty.])
3815 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
3816 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
3817 aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd | darwin )
3818 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3821 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
3822 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
3823 gnu-linux | gnu-kfreebsd )
3825 AC_MSG_CHECKING([for signals via characters])
3826 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3827 #include <linux/version.h>
3828 #if LINUX_VERSION_CODE < 0x20400
3829 # error "Linux version too old"
3831 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
3833 AC_MSG_RESULT([$emacs_signals_via_chars])
3834 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3839 dnl Used in lisp.h, emacs.c, vm-limit.c
3840 dnl NEWS.18 describes this as "a number which contains
3841 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
3842 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
3843 stored in a Lisp_Object.])
3844 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
3848 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
3849 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
3852 dnl The data segment on this machine always starts at address 0x40000000.
3853 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
3856 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
3861 AH_TEMPLATE(TAB3, [Undocumented.])
3864 darwin) AC_DEFINE(TAB3, OXTABS) ;;
3866 gnu | freebsd | netbsd | openbsd )
3867 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
3868 AC_DEFINE(TAB3, OXTABS)
3871 gnu-linux | gnu-kfreebsd )
3872 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3876 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
3877 [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)],
3878 [Mark a secondary stack, like the register stack on the ia64.]), [])
3882 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
3883 run_time_remap; for HPUX.])
3888 dnl This won't be used automatically yet. We also need to know, at least,
3889 dnl that the stack is continuous.
3890 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
3891 registers relevant for conservative garbage collection in the jmp_buf.])
3895 dnl Not all the architectures are tested, but there are Debian packages
3896 dnl for SCM and/or Guile on them, so the technique must work. See also
3897 dnl comments in alloc.c concerning setjmp and gcc.
3898 dnl Fixme: it's probably safe to just use the GCC conditional below.
3899 gnu-linux | gnu-kfreebsd )
3900 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3901 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
3902 || defined __alpha__ || defined __mips__ || defined __s390__ \
3903 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
3904 || defined __ia64__ || defined __sh__
3907 # error "setjmp not known to work on this arch"
3909 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
3914 if test x$GCC = xyes; then
3915 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
3916 AC_DEFINE(GC_SETJMP_WORKS, 1)
3919 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
3920 freebsd | netbsd | openbsd | irix6-5 | sol2* )
3921 AC_DEFINE(GC_SETJMP_WORKS, 1)
3926 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
3927 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
3930 [[#include <setjmp.h>
3932 # define _longjmp longjmp
3937 _longjmp (j, 1);]])],
3938 [emacs_cv_func__setjmp=yes],
3939 [emacs_cv_func__setjmp=no])])
3940 if test $emacs_cv_func__setjmp = yes; then
3941 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
3943 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
3946 [[#include <setjmp.h>
3949 if (! sigsetjmp (j, 1))
3950 siglongjmp (j, 1);]])],
3951 [emacs_cv_func_sigsetjmp=yes],
3952 [emacs_cv_func_sigsetjmp=no])])
3953 if test $emacs_cv_func_sigsetjmp = yes; then
3954 AC_DEFINE([HAVE_SIGSETJMP], 1,
3955 [Define to 1 if sigsetjmp and siglongjmp work.
3956 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
3962 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
3963 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
3964 dnl and this is all we need.
3965 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
3972 dnl Used in xfaces.c.
3973 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
3974 some systems, where it requires time.h.])
3979 dnl Define symbols to identify the version of Unix this is.
3980 dnl Define all the symbols that apply correctly.
3981 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
3982 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
3983 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
3984 AH_TEMPLATE(USG5, [Define if the system is compatible with System V.])
3985 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
3991 dnl This symbol should be defined on AIX Version 3 ???????
3992 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3994 # error "_AIX not defined"
3996 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4000 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4004 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4005 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4006 dnl distinguish OS X from pure Darwin.
4007 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4010 gnu-linux | gnu-kfreebsd )
4012 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4018 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4024 AC_DEFINE(USG5_4, [])
4025 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4029 AC_DEFINE(DOS_NT, [])
4030 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4031 if test "x$ac_enable_checking" != "x" ; then
4032 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4039 AC_DEFINE(USG5_4, [])
4040 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4046 AC_DEFINE(USG5_4, [])
4050 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4053 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4054 emacs_cv_usable_FIONREAD=no
4058 emacs_cv_usable_FIONREAD=yes
4063 [AC_LANG_PROGRAM([[#include <sys/types.h>
4064 #include <sys/ioctl.h>
4066 # include <sys/filio.h>
4069 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4070 [emacs_cv_usable_FIONREAD=yes],
4071 [emacs_cv_usable_FIONREAD=no])
4074 if test $emacs_cv_usable_FIONREAD = yes; then
4075 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4077 if test $emacs_broken_SIGIO = no; then
4078 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4080 [AC_LANG_PROGRAM([[#include <fcntl.h>
4083 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4084 [emacs_cv_usable_SIGIO=yes],
4085 [emacs_cv_usable_SIGIO=no])],
4086 [emacs_cv_usable_SIGIO=yes],
4087 [emacs_cv_usable_SIGIO=no])
4088 if test $emacs_cv_usable_SIGIO = yes; then
4089 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4096 dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls
4097 dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
4098 dnl As malloc is not the Cygwin malloc, the Cygwin memalign always
4099 dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
4101 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4102 G_SLICE environment variable to "always-malloc" at startup, if
4107 dnl It works to open the pty's tty in the parent (Emacs), then
4108 dnl close and reopen it in the child.
4109 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4110 works to open a pty's tty in the parent process, then close and
4111 reopen it in the child.])
4115 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4116 use VSUSP instead of VSWTCH.])
4120 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4125 # Set up the CFLAGS for real compilation, so we can substitute it.
4126 CFLAGS="$REAL_CFLAGS"
4127 CPPFLAGS="$REAL_CPPFLAGS"
4129 ## Hack to detect a buggy GCC version.
4130 if test "x$GCC" = xyes \
4131 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4132 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4133 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4134 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4137 version=$PACKAGE_VERSION
4139 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4140 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4141 [Short copyright string for this version of Emacs.])
4144 ### Specify what sort of things we'll be editing into Makefile and config.h.
4145 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4147 AC_SUBST(configuration)
4152 AC_SUBST(exec_prefix)
4155 AC_SUBST(sharedstatedir)
4156 AC_SUBST(libexecdir)
4161 AC_SUBST(standardlisppath)
4162 AC_SUBST(locallisppath)
4164 AC_SUBST(x_default_search_path)
4166 AC_SUBST(archlibdir)
4171 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4172 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4173 ## end of LIBX_BASE, but nothing ever set it.
4174 AC_SUBST(LD_SWITCH_X_SITE)
4175 AC_SUBST(C_SWITCH_X_SITE)
4176 AC_SUBST(GNUSTEP_CFLAGS)
4178 ## Used in lwlib/Makefile.in.
4179 AC_SUBST(X_TOOLKIT_TYPE)
4181 AC_SUBST(ns_appbindir)
4182 AC_SUBST(ns_appresdir)
4184 AC_SUBST(GNU_OBJC_CFLAGS)
4185 AC_SUBST(OTHER_FILES)
4187 if test -n "${term_header}"; then
4188 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4189 [Define to the header for the built-in window system.])
4192 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4193 [Define to the canonical Emacs configuration name.])
4194 dnl Replace any embedded " characters (bug#13274).
4195 emacs_config_options=`echo "$emacs_config_options " | sed -e 's/--no-create //' -e 's/--no-recursion //' -e 's/ *$//' -e "s/\"/'/g"`
4196 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4197 [Define to the options passed to configure.])
4198 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4199 define this to include extra configuration information.])
4203 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4210 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4211 AC_DEFINE(HAVE_X_WINDOWS, 1,
4212 [Define to 1 if you want to use the X window system.])
4214 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
4216 if test "$HAVE_XFT" = "yes"; then
4217 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4218 elif test "$HAVE_FREETYPE" = "yes"; then
4219 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4229 if test "${USE_X_TOOLKIT}" != "none" ; then
4231 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4232 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4233 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4234 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4235 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4239 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4240 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4244 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4245 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4246 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4250 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4251 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4254 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4257 AC_SUBST(WIDGET_OBJ)
4260 case "$USE_X_TOOLKIT" in
4261 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4262 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4263 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4265 AC_SUBST(TOOLKIT_LIBW)
4267 if test "${opsys}" != "mingw32"; then
4268 if test "$USE_X_TOOLKIT" = "none"; then
4269 LIBXT_OTHER="\$(LIBXSM)"
4270 OLDXMENU_TARGET="really-oldXMenu"
4272 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4273 OLDXMENU_TARGET="really-lwlib"
4276 AC_SUBST(LIBXT_OTHER)
4278 ## The X Menu stuff is present in the X10 distribution, but missing
4279 ## from X11. If we have X10, just use the installed library;
4280 ## otherwise, use our own copy.
4281 if test "${HAVE_X11}" = "yes" ; then
4282 AC_DEFINE(HAVE_X11, 1,
4283 [Define to 1 if you want to use version 11 of X windows.
4284 Otherwise, Emacs expects to use version 10.])
4286 if test "$USE_X_TOOLKIT" = "none"; then
4287 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4289 OLDXMENU="\${lwlibdir}/liblw.a"
4291 LIBXMENU="\$(OLDXMENU)"
4292 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4293 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4295 ## For a syntactically valid Makefile; not actually used for anything.
4296 ## See comments in src/Makefile.in.
4298 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4299 if test "${HAVE_X_WINDOWS}" = "yes"; then
4308 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4315 AC_SUBST(OLDXMENU_TARGET)
4318 AC_SUBST(LIBX_OTHER)
4319 AC_SUBST(OLDXMENU_DEPS)
4321 if test "${HAVE_MENUS}" = "yes" ; then
4322 AC_DEFINE(HAVE_MENUS, 1,
4323 [Define to 1 if you have mouse menus.
4324 (This is automatic if you use X, but the option to specify it remains.)
4325 It is also defined with other window systems that support xmenu.c.])
4328 if test "${GNU_MALLOC}" = "yes" ; then
4329 AC_DEFINE(GNU_MALLOC, 1,
4330 [Define to 1 if you want to use the GNU memory allocator.])
4334 if test "${REL_ALLOC}" = "yes" ; then
4335 AC_DEFINE(REL_ALLOC, 1,
4336 [Define REL_ALLOC if you want to use the relocating allocator for
4339 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4341 AC_SUBST(RALLOC_OBJ)
4343 if test "$opsys" = "cygwin"; then
4344 CYGWIN_OBJ="sheap.o cygw32.o"
4345 ## Cygwin differs because of its unexec().
4347 POST_ALLOC_OBJ=lastfile.o
4348 elif test "$opsys" = "mingw32"; then
4351 POST_ALLOC_OBJ=lastfile.o
4354 PRE_ALLOC_OBJ=lastfile.o
4357 AC_SUBST(CYGWIN_OBJ)
4358 AC_SUBST(PRE_ALLOC_OBJ)
4359 AC_SUBST(POST_ALLOC_OBJ)
4361 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4362 # it temporarily reverts them to their pre-pkg-config values,
4363 # because gnulib needs to work with both src (which uses the
4364 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4365 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4366 # and it therefore needs to run in an environment where LIBS does not
4367 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4368 # for some package unrelated to lib-src.
4371 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4372 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4373 gl_ASSERT_NO_GNULIB_POSIXCHECK
4374 gl_ASSERT_NO_GNULIB_TESTS
4379 if test "${opsys}" = "mingw32"; then
4380 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I $srcdir/nt/inc"
4381 # Remove unneeded switches from the value of CC that goes to Makefiles
4382 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4386 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4389 ## The -headerpad option tells ld (see man page) to leave room at the
4390 ## end of the header for adding load commands. Needed for dumping.
4391 ## 0x690 is the total size of 30 segment load commands (at 56
4392 ## each); under Cocoa 31 commands are required.
4393 if test "$HAVE_NS" = "yes"; then
4394 libs_nsgui="-framework AppKit"
4400 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4402 ## This is here because src/Makefile.in did some extra fiddling around
4403 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4404 ## LD_SWITCH_SYSTEM_TEMACS instead,
4405 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4406 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4409 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4410 ## find X at run-time.
4411 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4412 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4413 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4414 ## had different values in configure (in ac_link) and src/Makefile.in.
4415 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4416 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4419 case "$canonical" in
4420 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" ;;
4421 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-subsystem,console -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4425 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4428 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4430 ## MinGW-specific post-link processing of temacs.
4431 TEMACS_POST_LINK=":"
4434 if test "${opsys}" = "mingw32"; then
4435 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4436 ADDSECTION="../nt/addsection\$(EXEEXT)"
4437 ## Preload heap size of temacs.exe in MB.
4438 case "$canonical" in
4439 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4440 *) EMACS_HEAPSIZE=27 ;;
4444 AC_SUBST(ADDSECTION)
4445 AC_SUBST(TEMACS_POST_LINK)
4446 AC_SUBST(EMACS_HEAPSIZE)
4448 ## Common for all window systems
4449 if test "$window_system" != "none"; then
4450 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4451 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4454 AC_SUBST(WINDOW_SYSTEM_OBJ)
4456 AH_TOP([/* GNU Emacs site configuration template file.
4458 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4459 Free Software Foundation, Inc.
4461 This file is part of GNU Emacs.
4463 GNU Emacs is free software: you can redistribute it and/or modify
4464 it under the terms of the GNU General Public License as published by
4465 the Free Software Foundation, either version 3 of the License, or
4466 (at your option) any later version.
4468 GNU Emacs is distributed in the hope that it will be useful,
4469 but WITHOUT ANY WARRANTY; without even the implied warranty of
4470 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4471 GNU General Public License for more details.
4473 You should have received a copy of the GNU General Public License
4474 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4477 /* No code in Emacs #includes config.h twice, but some bits of code
4478 intended to work with other packages as well (like gmalloc.c)
4479 think they can include it as many times as they like. */
4480 #ifndef EMACS_CONFIG_H
4481 #define EMACS_CONFIG_H
4484 AH_BOTTOM([#include <conf_post.h>
4486 #endif /* EMACS_CONFIG_H */
4495 #### Report on what we decided to do.
4496 #### Report GTK as a toolkit, even if it doesn't use Xt.
4497 #### It makes printing result more understandable as using GTK sets
4498 #### toolkit_scroll_bars to yes by default.
4499 if test "${HAVE_GTK}" = "yes"; then
4500 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4504 Configured for \`${canonical}'.
4506 Where should the build process find the source code? ${srcdir}
4507 What compiler should emacs be built with? ${CC} ${CFLAGS}
4508 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4509 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4510 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4511 What window system should Emacs use? ${window_system}
4512 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4514 if test -n "${x_includes}"; then
4515 echo " Where do we find X Windows header files? ${x_includes}"
4517 echo " Where do we find X Windows header files? Standard dirs"
4519 if test -n "${x_libraries}"; then
4520 echo " Where do we find X Windows libraries? ${x_libraries}"
4522 echo " Where do we find X Windows libraries? Standard dirs"
4525 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4526 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4527 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4528 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4529 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4530 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4531 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4532 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4534 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4535 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4536 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4537 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4538 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4539 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4540 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4542 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4543 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4544 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4545 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4547 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4550 if test -n "${EMACSDATA}"; then
4551 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4553 if test -n "${EMACSDOC}"; then
4554 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4559 if test "$HAVE_NS" = "yes"; then
4561 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4562 The installed application will go to nextstep/Emacs.app and can be
4563 run or moved from there."
4564 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4565 echo "The application will be fully self-contained."
4567 echo "The lisp resources for the application will be installed under ${prefix}.
4568 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4569 to run if these resources are not installed."
4574 if test "${opsys}" = "cygwin"; then
4576 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4582 # Remove any trailing slashes in these variables.
4583 [test "${prefix}" != NONE &&
4584 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4585 test "${exec_prefix}" != NONE &&
4586 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4588 if test "$HAVE_NS" = "yes"; then
4589 if test "$NS_IMPL_GNUSTEP" = yes; then
4590 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4591 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4593 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4594 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4598 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4599 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4600 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4601 dnl (else you get "no `Makefile.am' found for any configure output").
4602 dnl This will work, but you get a config.status that is not quite right
4603 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4604 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4605 dnl it seems better to just live with the duplication.
4606 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
4608 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4609 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4610 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4611 leim/Makefile nextstep/Makefile nt/Makefile])
4613 dnl test/ is not present in release tarfiles.
4614 opt_makefile=test/automated/Makefile
4616 if test -f "$srcdir/$opt_makefile.in"; then
4617 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4618 dnl Again, it's best not to use a variable. Though you can add
4619 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4620 AC_CONFIG_FILES([test/automated/Makefile])
4624 dnl admin/ may or may not be present.
4625 opt_makefile=admin/unidata/Makefile
4627 if test -f "$srcdir/$opt_makefile.in"; then
4628 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4629 AC_CONFIG_FILES([admin/unidata/Makefile])
4633 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4635 AC_SUBST(SUBDIR_MAKEFILES_IN)
4637 dnl Make the necessary directories, if they don't exist.
4638 AC_CONFIG_COMMANDS([mkdirs], [
4639 for dir in etc lisp ; do
4640 test -d ${dir} || mkdir ${dir}
4644 dnl You might wonder (I did) why epaths.h is generated by running make,
4645 dnl rather than just letting configure generate it from epaths.in.
4646 dnl One reason is that the various paths are not fully expanded (see above);
4647 dnl eg gamedir=${prefix}/var/games/emacs.
4648 dnl Secondly, the GNU Coding standards require that one should be able
4649 dnl to run `make prefix=/some/where/else' and override the values set
4650 dnl by configure. This also explains the `move-if-change' test and
4651 dnl the use of force in the `epaths-force' rule in Makefile.in.
4652 AC_CONFIG_COMMANDS([epaths], [
4653 echo creating src/epaths.h
4654 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4655 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
4657 AC_CONFIG_COMMANDS([gdbinit], [
4658 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
4659 echo creating src/.gdbinit
4660 echo "source $srcdir/src/.gdbinit" > src/.gdbinit