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 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
633 [emacs_cv_prog_cc_g3],
634 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
635 [emacs_cv_prog_cc_g3=yes],
636 [emacs_cv_prog_cc_g3=no])])
637 if test $emacs_cv_prog_cc_g3 = yes; then
638 CFLAGS=$emacs_g3_CFLAGS
640 CFLAGS=$emacs_save_CFLAGS
642 if test $opsys = mingw32; then
643 CFLAGS="$CFLAGS -gdwarf-2"
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)
1552 if test "${with_w32}" != no; then
1553 if test "${opsys}" != "cygwin"; then
1554 if test "${opsys}" != "mingw32"; then
1555 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1558 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1559 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1560 cannot be found.])])
1562 if test "${opsys}" = "mingw32"; then
1563 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1564 [AC_MSG_ERROR([The windows.h header file is required,
1565 but cannot be found.])])
1566 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1567 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1568 #include <windows.h>
1569 #include <usp10.h>]],
1570 [[void test(PIMAGE_NT_HEADERS pHeader)
1571 {PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader);}]])],
1572 emacs_cv_w32api=yes, emacs_cv_w32api=no)
1573 AC_MSG_RESULT($emacs_cv_w32api)
1574 if test "${emacs_cv_w32api}" = "no"; then
1575 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1580 if test "${HAVE_W32}" = "yes"; then
1581 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1582 AC_CHECK_TOOL(WINDRES, [windres],
1583 [AC_MSG_ERROR([No resource compiler found.])])
1584 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1585 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1586 EMACSRES="emacs.res"
1587 case "$canonical" in
1588 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1589 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1591 if test "${opsys}" = "cygwin"; then
1592 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1593 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1594 # Tell the linker that emacs.res is an object (which we compile from
1595 # the rc file), not a linker script.
1596 W32_RES_LINK="-Wl,-bpe-i386 -Wl,emacs.res"
1598 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1599 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1600 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1601 CLIENTRES="emacsclient.res"
1602 CLIENTW="emacsclientw\$(EXEEXT)"
1603 FIRSTFILE_OBJ=firstfile.o
1609 AC_SUBST(EMACS_MANIFEST)
1612 AC_SUBST(W32_RES_LINK)
1613 AC_SUBST(FIRSTFILE_OBJ)
1615 if test "${HAVE_W32}" = "yes"; then
1620 ## $window_system is now set to the window system we will
1628 case "${window_system}" in
1633 case "${with_x_toolkit}" in
1634 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1635 motif ) USE_X_TOOLKIT=MOTIF ;;
1637 term_header=gtkutil.h
1638 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1639 dnl USE_X_TOOLKIT is set.
1640 USE_X_TOOLKIT=none ;;
1641 gtk2 ) with_gtk2=yes
1642 term_header=gtkutil.h
1643 USE_X_TOOLKIT=none ;;
1644 gtk3 ) with_gtk3=yes
1645 term_header=gtkutil.h
1646 USE_X_TOOLKIT=none ;;
1647 no ) USE_X_TOOLKIT=none ;;
1648 dnl If user did not say whether to use a toolkit, make this decision later:
1649 dnl use the toolkit if we have gtk, or X11R5 or newer.
1650 * ) USE_X_TOOLKIT=maybe ;;
1654 term_header=nsterm.h
1657 term_header=w32term.h
1661 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1662 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1663 if test "$HAVE_XSERVER" = true ||
1664 test -n "$DISPLAY" ||
1665 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1666 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1667 were found. You should install the relevant development files for X
1668 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1669 sure you have development files for image handling, i.e.
1670 tiff, gif, jpeg, png and xpm.
1671 If you are sure you want Emacs compiled without X window support, pass
1677 ### If we're using X11, we should use the X menu package.
1680 yes ) HAVE_MENUS=yes ;;
1683 # Does the opsystem file prohibit the use of the GNU malloc?
1684 # Assume not, until told otherwise.
1688 [whether malloc is Doug Lea style],
1689 [emacs_cv_var_doug_lea_malloc],
1692 [[#include <malloc.h>
1693 static void hook (void) {}]],
1694 [[malloc_set_state (malloc_get_state ());
1695 __after_morecore_hook = hook;
1696 __malloc_initialize_hook = hook;]])],
1697 [emacs_cv_var_doug_lea_malloc=yes],
1698 [emacs_cv_var_doug_lea_malloc=no])])
1699 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1702 dnl See comments in aix4-2.h about maybe using system malloc there.
1705 ## darwin ld insists on the use of malloc routines in the System framework.
1706 darwin|sol2-10) system_malloc=yes ;;
1709 if test "${system_malloc}" = "yes"; then
1710 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1713 (The GNU allocators don't work with this system configuration.)"
1717 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1718 VMLIMIT_OBJ=vm-limit.o
1720 AC_CHECK_HEADERS([sys/vlimit.h])
1721 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1724 [[extern char data_start[]; char ch;]],
1725 [[return data_start < &ch;]])],
1726 [emacs_cv_data_start=yes],
1727 [emacs_cv_data_start=no])])
1728 if test $emacs_cv_data_start = yes; then
1729 AC_DEFINE([HAVE_DATA_START], 1,
1730 [Define to 1 if data_start is the address of the start
1731 of the main data segment.])
1734 AC_SUBST(GMALLOC_OBJ)
1735 AC_SUBST(VMLIMIT_OBJ)
1737 if test "$doug_lea_malloc" = "yes" ; then
1738 if test "$GNU_MALLOC" = yes ; then
1740 (Using Doug Lea's new malloc from the GNU C Library.)"
1742 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1743 [Define to 1 if you are using the GNU C Library.])
1745 ## Use mmap directly for allocating larger buffers.
1746 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1747 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1748 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1750 gnu*) REL_ALLOC=no ;;
1754 if test x"${REL_ALLOC}" = x; then
1755 REL_ALLOC=${GNU_MALLOC}
1758 use_mmap_for_buffers=no
1760 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1764 if test $use_mmap_for_buffers = yes; then
1765 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1769 LIBS="$LIBS_SYSTEM $LIBS"
1771 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1772 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1773 AC_CHECK_LIB(dnet, dnet_ntoa)
1774 dnl This causes -lresolv to get used in subsequent tests,
1775 dnl which causes failures on some systems such as HPUX 9.
1776 dnl AC_CHECK_LIB(resolv, gethostbyname)
1778 dnl FIXME replace main with a function we actually want from this library.
1779 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1781 dnl Check if pthreads is available.
1783 AC_CHECK_HEADERS_ONCE(pthread.h)
1784 if test "$ac_cv_header_pthread_h"; then
1785 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1786 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1787 dnl testing for pthread_self if Emacs uses gmalloc.c.
1788 if test "$GMALLOC_OBJ" = gmalloc.o; then
1789 emacs_pthread_function=pthread_atfork
1791 emacs_pthread_function=pthread_self
1793 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1795 if test "$HAVE_PTHREAD" = yes; then
1796 case "${canonical}" in
1798 *) LIB_PTHREAD="-lpthread"
1799 LIBS="$LIB_PTHREAD $LIBS" ;;
1801 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1803 AC_SUBST([LIB_PTHREAD])
1805 AC_CHECK_LIB(pthreads, cma_open)
1807 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1808 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1809 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1810 ## added to LIBS in configure would never contain the pthreads part,
1811 ## but the value used in Makefiles might. FIXME?
1813 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1814 ## be harmless on older versions of X where it happens to exist.
1815 test "$opsys" = "aix4-2" && \
1816 test $ac_cv_lib_pthreads_cma_open = yes && \
1817 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1819 dnl Check for need for bigtoc support on IBM AIX
1823 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1825 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1826 *) gdb_cv_bigtoc=-bbigtoc ;;
1829 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1830 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1835 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1836 # used for the tests that follow. We set them back to REAL_CFLAGS and
1837 # REAL_CPPFLAGS later on.
1839 REAL_CFLAGS="$CFLAGS"
1840 REAL_CPPFLAGS="$CPPFLAGS"
1842 if test "${HAVE_X11}" = "yes"; then
1843 DEFS="$C_SWITCH_X_SITE $DEFS"
1844 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1846 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1847 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1849 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1850 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1851 # but it's more convenient here to set LD_RUN_PATH since this
1852 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1853 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1854 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1858 if test "${opsys}" = "gnu-linux"; then
1859 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1860 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1861 [[XOpenDisplay ("foo");]])],
1862 [xgnu_linux_first_failure=no],
1863 [xgnu_linux_first_failure=yes])
1864 if test "${xgnu_linux_first_failure}" = "yes"; then
1865 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1866 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1867 OLD_CPPFLAGS="$CPPFLAGS"
1869 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1870 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1871 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1872 LIBS="$LIBS -b i486-linuxaout"
1873 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1874 [[XOpenDisplay ("foo");]])],
1875 [xgnu_linux_second_failure=no],
1876 [xgnu_linux_second_failure=yes])
1877 if test "${xgnu_linux_second_failure}" = "yes"; then
1878 # If we get the same failure with -b, there is no use adding -b.
1879 # So take it out. This plays safe.
1880 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1881 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1882 CPPFLAGS="$OLD_CPPFLAGS"
1893 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1894 # header files included from there.
1895 AC_MSG_CHECKING(for Xkb)
1896 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1897 #include <X11/XKBlib.h>]],
1898 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1899 emacs_xkb=yes, emacs_xkb=no)
1900 AC_MSG_RESULT($emacs_xkb)
1901 if test $emacs_xkb = yes; then
1902 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
1905 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1906 XScreenNumberOfScreen)
1909 if test "${window_system}" = "x11"; then
1910 AC_MSG_CHECKING(X11 version 6)
1911 AC_CACHE_VAL(emacs_cv_x11_version_6,
1912 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1913 [[#if XlibSpecificationRelease < 6
1916 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1917 if test $emacs_cv_x11_version_6 = yes; then
1918 AC_MSG_RESULT(6 or newer)
1919 AC_DEFINE(HAVE_X11R6, 1,
1920 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1921 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1922 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1926 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1927 [Define if you have usable X11R6-style XIM support.])
1931 AC_MSG_RESULT(before 6)
1936 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1938 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
1939 if test "${with_rsvg}" != "no"; then
1940 RSVG_REQUIRED=2.11.0
1941 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1943 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1944 AC_SUBST(RSVG_CFLAGS)
1947 if test $HAVE_RSVG = yes; then
1948 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1949 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1950 LIBS="$RSVG_LIBS $LIBS"
1956 if test "${HAVE_X11}" = "yes"; then
1957 if test "${with_imagemagick}" != "no"; then
1958 ## 6.2.8 is the earliest version known to work, but earlier versions
1959 ## might work - let us know if you find one.
1960 ## 6.0.7 does not work. See bug#7955.
1961 ## 6.8.2 makes Emacs crash; see Bug#13867.
1962 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
1963 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1964 AC_SUBST(IMAGEMAGICK_CFLAGS)
1965 AC_SUBST(IMAGEMAGICK_LIBS)
1967 if test $HAVE_IMAGEMAGICK = yes; then
1968 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1969 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1970 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1971 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
1981 if test "${opsys}" != "mingw32"; then
1982 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1985 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1987 dnl Checks for libraries.
1988 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1989 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
1990 AC_MSG_ERROR($GTK_PKG_ERRORS)
1992 if test "$pkg_check_gtk" = "yes"; then
1993 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
1994 GTK_OBJ=emacsgtkfixed.o
1995 term_header=gtkutil.h
1996 USE_GTK_TOOLKIT="GTK3"
1997 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
1998 GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
2002 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2006 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2009 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2011 dnl Checks for libraries.
2012 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2013 if test "$pkg_check_gtk" = "no" &&
2014 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2016 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2018 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2022 if test x"$pkg_check_gtk" = xyes; then
2024 AC_SUBST(GTK_CFLAGS)
2026 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2027 CFLAGS="$CFLAGS $GTK_CFLAGS"
2028 LIBS="$GTK_LIBS $LIBS"
2029 dnl Try to compile a simple GTK program.
2031 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2032 if test "${GTK_COMPILES}" != "yes"; then
2033 if test "$USE_X_TOOLKIT" != "maybe"; then
2034 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2038 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2039 GTK_OBJ="gtkutil.o $GTK_OBJ"
2041 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2044 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2045 closing open displays. This is no problem if you just use
2046 one display, but if you use more than one and close one of them
2056 if test "${HAVE_GTK}" = "yes"; then
2058 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2059 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2060 if test "$with_toolkit_scroll_bars" != no; then
2061 with_toolkit_scroll_bars=yes
2064 dnl Check if we have the old file selection dialog declared and
2065 dnl in the link library. In 2.x it may be in the library,
2066 dnl but not declared if deprecated featured has been selected out.
2067 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2068 HAVE_GTK_FILE_SELECTION=no
2069 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2070 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2071 #include <gtk/gtk.h>])
2072 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2073 AC_CHECK_FUNCS(gtk_file_selection_new)
2076 dnl Same as above for gtk_handle_box.
2077 HAVE_GTK_HANDLE_BOX=no
2078 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2079 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2080 #include <gtk/gtk.h>])
2081 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2082 AC_CHECK_FUNCS(gtk_handle_box_new)
2085 dnl Same as above for gtk_tearoff_menu_item.
2086 HAVE_GTK_TEAROFF_MENU_ITEM=no
2087 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2088 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2089 #include <gtk/gtk.h>])
2090 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2091 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2094 dnl Check for functions introduced in 2.14 and later.
2095 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2096 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2097 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2098 gtk_orientable_set_orientation \
2099 gtk_window_set_has_resize_grip)
2101 term_header=gtkutil.h
2104 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2105 dnl other platforms.
2108 if test "${with_dbus}" = "yes"; then
2109 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2110 if test "$HAVE_DBUS" = yes; then
2111 LIBS="$LIBS $DBUS_LIBS"
2112 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2113 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2114 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2116 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2117 dbus_type_is_valid \
2118 dbus_validate_bus_name \
2119 dbus_validate_path \
2120 dbus_validate_interface \
2121 dbus_validate_member)
2127 dnl GSettings has been tested under GNU/Linux only.
2129 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2130 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2131 if test "$HAVE_GSETTINGS" = "yes"; then
2132 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2133 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2134 SETTINGS_LIBS="$GSETTINGS_LIBS"
2138 dnl GConf has been tested under GNU/Linux only.
2139 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2141 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2142 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2143 if test "$HAVE_GCONF" = yes; then
2144 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2145 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2146 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2147 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2151 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2152 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2153 if test "$HAVE_GOBJECT" = "yes"; then
2154 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2155 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2157 SAVE_CFLAGS="$CFLAGS"
2159 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2160 LIBS="$SETTINGS_LIBS $LIBS"
2161 AC_CHECK_FUNCS([g_type_init])
2162 CFLAGS="$SAVE_CFLAGS"
2165 AC_SUBST(SETTINGS_CFLAGS)
2166 AC_SUBST(SETTINGS_LIBS)
2169 dnl SELinux is available for GNU/Linux only.
2172 if test "${with_selinux}" = "yes"; then
2173 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2174 if test "$HAVE_LIBSELINUX" = yes; then
2175 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2176 LIBSELINUX_LIBS=-lselinux
2179 AC_SUBST(LIBSELINUX_LIBS)
2182 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2183 if test "${with_gnutls}" = "yes" ; then
2184 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2185 if test "${HAVE_GNUTLS}" = "yes"; then
2186 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2191 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2192 LIBS="$LIBGNUTLS_LIBS $LIBS"
2193 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2195 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2196 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2199 # Windows loads GnuTLS dynamically
2200 if test "${opsys}" = "mingw32"; then
2207 AC_SUBST(LIBGNUTLS_LIBS)
2208 AC_SUBST(LIBGNUTLS_CFLAGS)
2210 dnl inotify is only available on GNU/Linux.
2211 if test "${with_inotify}" = "yes"; then
2212 AC_CHECK_HEADERS(sys/inotify.h)
2213 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2214 AC_CHECK_FUNC(inotify_init1)
2217 if test "$ac_cv_func_inotify_init1" = yes; then
2218 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2221 dnl POSIX ACL support: provided by libacl on GNU/Linux, by libc on FreeBSD.
2224 if test "${with_acl}" = "yes"; then
2225 AC_CHECK_LIB([acl], [acl_set_file], HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2226 if test "$HAVE_POSIX_ACL" = yes; then
2227 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2230 AC_CHECK_FUNC(acl_set_file, HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2231 if test "$HAVE_POSIX_ACL" = yes; then
2232 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2236 AC_SUBST(LIBACL_LIBS)
2238 dnl Do not put whitespace before the #include statements below.
2239 dnl Older compilers (eg sunos4 cc) choke on it.
2242 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2243 if test "$with_xaw3d" != no; then
2244 AC_CACHE_VAL(emacs_cv_xaw3d,
2245 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2246 #include <X11/Intrinsic.h>
2247 #include <X11/Xaw3d/Simple.h>]],
2249 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2250 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2251 emacs_cv_xaw3d=no)])
2255 if test $emacs_cv_xaw3d = yes; then
2256 AC_MSG_CHECKING(for xaw3d)
2257 AC_MSG_RESULT([yes; using Lucid toolkit])
2261 AC_DEFINE(HAVE_XAW3D, 1,
2262 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2264 AC_MSG_CHECKING(for xaw3d)
2266 AC_MSG_CHECKING(for libXaw)
2267 AC_CACHE_VAL(emacs_cv_xaw,
2268 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2269 #include <X11/Intrinsic.h>
2270 #include <X11/Xaw/Simple.h>]],
2274 if test $emacs_cv_xaw = yes; then
2275 AC_MSG_RESULT([yes; using Lucid toolkit])
2278 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2279 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2281 AC_MSG_ERROR([No X toolkit could be found.
2282 If you are sure you want Emacs compiled without an X toolkit, pass
2284 to configure. Otherwise, install the development libraries for the toolkit
2285 that you want to use (e.g. Gtk+) and re-run configure.])
2290 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2293 if test "${USE_X_TOOLKIT}" != "none"; then
2294 AC_MSG_CHECKING(X11 toolkit version)
2295 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2296 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2297 [[#if XtSpecificationRelease < 6
2300 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2301 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2302 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2303 AC_MSG_RESULT(6 or newer)
2304 AC_DEFINE(HAVE_X11XTR6, 1,
2305 [Define to 1 if you have the X11R6 or newer version of Xt.])
2306 LIBXTR6="-lSM -lICE"
2308 ## Use libw.a along with X11R6 Xt.
2309 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2312 AC_MSG_RESULT(before 6)
2315 dnl If using toolkit, check whether libXmu.a exists.
2316 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2318 if test x$HAVE_X11XTR6 = xyes; then
2319 LIBS="-lXt -lSM -lICE $LIBS"
2323 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2324 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2325 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2329 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2330 dnl Why not just test for libxmu in the normal way?
2333 ## These systems don't supply Xmu.
2335 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2343 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2344 if test "${HAVE_X11}" = "yes"; then
2345 if test "${USE_X_TOOLKIT}" != "none"; then
2346 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2351 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2352 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2353 if test -d /usr/include/openmotif; then
2354 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2355 emacs_cv_openmotif=yes
2356 case "$canonical" in
2357 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2358 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2361 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2364 emacs_cv_openmotif=no
2366 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2367 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2368 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2371 Motif version prior to 2.1.
2373 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2374 if test $emacs_cv_motif_version_2_1 = yes; then
2375 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2376 if test x$emacs_cv_openmotif = xyes; then
2377 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2380 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2381 # We put this in CFLAGS temporarily to precede other -I options
2382 # that might be in CFLAGS temporarily.
2383 # We put this in CPPFLAGS where it precedes the other -I options.
2384 OLD_CPPFLAGS=$CPPFLAGS
2386 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2387 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2388 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2390 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2391 if test $emacs_cv_lesstif = yes; then
2392 # Make sure this -I option remains in CPPFLAGS after it is set
2393 # back to REAL_CPPFLAGS.
2394 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2395 # have those other -I options anyway. Ultimately, having this
2396 # directory ultimately in CPPFLAGS will be enough.
2397 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2398 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2401 CPPFLAGS=$OLD_CPPFLAGS
2404 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2405 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2408 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2409 dnl using Motif or Xaw3d is available, and unless
2410 dnl --with-toolkit-scroll-bars=no was specified.
2412 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2413 [Define to 1 if we should use toolkit scroll bars.])dnl
2414 USE_TOOLKIT_SCROLL_BARS=no
2415 if test "${with_toolkit_scroll_bars}" != "no"; then
2416 if test "${USE_X_TOOLKIT}" != "none"; then
2417 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2418 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2420 USE_TOOLKIT_SCROLL_BARS=yes
2421 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2422 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2423 USE_TOOLKIT_SCROLL_BARS=yes
2425 elif test "${HAVE_GTK}" = "yes"; then
2426 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2427 USE_TOOLKIT_SCROLL_BARS=yes
2428 elif test "${HAVE_NS}" = "yes"; then
2429 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2430 USE_TOOLKIT_SCROLL_BARS=yes
2431 elif test "${HAVE_W32}" = "yes"; then
2432 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2433 USE_TOOLKIT_SCROLL_BARS=yes
2437 dnl See if XIM is available.
2438 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2439 #include <X11/Xlib.h>
2440 #include <X11/Xresource.h>]],
2441 [[XIMProc callback;]])],
2443 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2446 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2448 if test "${with_xim}" != "no"; then
2449 AC_DEFINE(USE_XIM, 1,
2450 [Define to 1 if we should use XIM, if it is available.])
2454 if test "${HAVE_XIM}" != "no"; then
2456 if test "$GCC" = yes; then
2457 CFLAGS="$CFLAGS --pedantic-errors"
2459 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2460 #include <X11/Xlib.h>
2461 #include <X11/Xresource.h>]],
2467 XPointer *client_data;
2469 /* If we're not using GCC, it's probably not XFree86, and this is
2470 probably right, but we can't use something like --pedantic-errors. */
2471 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2472 char*, XIMProc, XPointer*);
2474 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2476 [emacs_cv_arg6_star=yes])
2477 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2478 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2479 either XPointer or XPointer*.])dnl
2480 if test "$emacs_cv_arg6_star" = yes; then
2481 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2483 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2488 ### Start of font-backend (under any platform) section.
2489 # (nothing here yet -- this is a placeholder)
2490 ### End of font-backend (under any platform) section.
2492 ### Start of font-backend (under X11) section.
2493 if test "${HAVE_X11}" = "yes"; then
2494 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2496 ## Use -lXft if available, unless `--with-xft=no'.
2498 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2501 if test "x${with_xft}" != "xno"; then
2503 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2504 ## Because xftfont.c uses XRenderQueryExtension, we also
2505 ## need to link to -lXrender.
2507 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2508 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2509 OLD_CPPFLAGS="$CPPFLAGS"
2510 OLD_CFLAGS="$CFLAGS"
2512 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2513 CFLAGS="$CFLAGS $XFT_CFLAGS"
2514 XFT_LIBS="-lXrender $XFT_LIBS"
2515 LIBS="$XFT_LIBS $LIBS"
2516 AC_CHECK_HEADER(X11/Xft/Xft.h,
2517 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2519 if test "${HAVE_XFT}" = "yes"; then
2520 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2522 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2524 CPPFLAGS="$OLD_CPPFLAGS"
2525 CFLAGS="$OLD_CFLAGS"
2527 fi # "${HAVE_XFT}" = "yes"
2528 fi # "$HAVE_XFT" != no
2529 fi # "x${with_xft}" != "xno"
2531 ## We used to allow building with FreeType and without Xft.
2532 ## However, the ftx font backend driver is not in good shape.
2533 if test "$HAVE_XFT" != "yes"; then
2534 dnl For the "Does Emacs use" message at the end.
2538 dnl Strict linkers fail with
2539 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2540 dnl if -lfreetype is not specified.
2541 dnl The following is needed to set FREETYPE_LIBS.
2542 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2545 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2549 if test "${HAVE_FREETYPE}" = "yes"; then
2550 AC_DEFINE(HAVE_FREETYPE, 1,
2551 [Define to 1 if using the freetype and fontconfig libraries.])
2552 if test "${with_libotf}" != "no"; then
2553 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2555 if test "$HAVE_LIBOTF" = "yes"; then
2556 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2557 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2558 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2559 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2560 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2561 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2562 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2566 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2567 dnl Does the new font backend require it, or can it work without it?
2571 if test "${HAVE_LIBOTF}" = yes; then
2572 if test "${with_m17n_flt}" != "no"; then
2573 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2574 if test "$HAVE_M17N_FLT" = "yes"; then
2575 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2586 ### End of font-backend (under X11) section.
2588 AC_SUBST(FREETYPE_CFLAGS)
2589 AC_SUBST(FREETYPE_LIBS)
2590 AC_SUBST(FONTCONFIG_CFLAGS)
2591 AC_SUBST(FONTCONFIG_LIBS)
2592 AC_SUBST(LIBOTF_CFLAGS)
2593 AC_SUBST(LIBOTF_LIBS)
2594 AC_SUBST(M17N_FLT_CFLAGS)
2595 AC_SUBST(M17N_FLT_LIBS)
2597 ### Use -lXpm if available, unless `--with-xpm=no'.
2598 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2601 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2602 if test "${with_xpm}" != "no"; then
2603 SAVE_CPPFLAGS="$CPPFLAGS"
2604 SAVE_LDFLAGS="$LDFLAGS"
2605 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2606 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2607 AC_CHECK_HEADER(X11/xpm.h,
2608 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2609 if test "${HAVE_XPM}" = "yes"; then
2610 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2611 AC_EGREP_CPP(no_return_alloc_pixels,
2612 [#include "X11/xpm.h"
2613 #ifndef XpmReturnAllocPixels
2614 no_return_alloc_pixels
2616 ], HAVE_XPM=no, HAVE_XPM=yes)
2618 if test "${HAVE_XPM}" = "yes"; then
2619 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2623 CPPFLAGS="$SAVE_CPPFLAGS"
2624 LDFLAGS="$SAVE_LDFLAGS"
2629 if test "${HAVE_XPM}" = "yes"; then
2630 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2635 if test "${HAVE_X11}" = "yes"; then
2636 if test "${with_xpm}" != "no"; then
2637 AC_CHECK_HEADER(X11/xpm.h,
2638 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2639 if test "${HAVE_XPM}" = "yes"; then
2640 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2641 AC_EGREP_CPP(no_return_alloc_pixels,
2642 [#include "X11/xpm.h"
2643 #ifndef XpmReturnAllocPixels
2644 no_return_alloc_pixels
2646 ], HAVE_XPM=no, HAVE_XPM=yes)
2648 if test "${HAVE_XPM}" = "yes"; then
2656 if test "${HAVE_XPM}" = "yes"; then
2657 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2662 if test "${opsys}" = "mingw32"; then
2663 if test "${with_xpm}" != "no"; then
2664 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2668 if test "${HAVE_XPM}" = "yes"; then
2669 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2675 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2676 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2679 if test "${opsys}" = "mingw32"; then
2680 if test "${with_jpeg}" != "no"; then
2681 dnl Checking for jpeglib.h can lose because of a redefinition of
2683 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2685 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2686 if test "${HAVE_JPEG}" = "yes"; then
2687 AC_DEFINE(HAVE_JPEG)
2688 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2689 [#include <jpeglib.h>
2690 version=JPEG_LIB_VERSION
2692 [AC_DEFINE(HAVE_JPEG)],
2693 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2696 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2697 if test "${with_jpeg}" != "no"; then
2698 dnl Checking for jpeglib.h can lose because of a redefinition of
2700 AC_CHECK_HEADER(jerror.h,
2701 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2704 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2705 if test "${HAVE_JPEG}" = "yes"; then
2706 AC_DEFINE(HAVE_JPEG)
2707 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2708 [#include <jpeglib.h>
2709 version=JPEG_LIB_VERSION
2711 [AC_DEFINE(HAVE_JPEG)],
2712 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2715 if test "${HAVE_JPEG}" = "yes"; then
2721 ### Use -lpng if available, unless `--with-png=no'.
2722 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2725 if test "${opsys}" = "mingw32"; then
2726 if test "${with_png}" != "no"; then
2727 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2729 if test "${HAVE_PNG}" = "yes"; then
2730 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2732 AC_CHECK_DECL(png_longjmp,
2734 [AC_DEFINE(PNG_DEPSTRUCT, [],
2735 [Define to empty to suppress deprecation warnings when building
2736 with --enable-gcc-warnings and with libpng versions before 1.5,
2737 which lack png_longjmp.])],
2738 [[#ifdef HAVE_LIBPNG_PNG_H
2739 # include <libpng/png.h>
2745 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2746 if test "${with_png}" != "no"; then
2747 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2748 # in /usr/include/libpng.
2749 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2750 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2751 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2755 if test "${HAVE_PNG}" = "yes"; then
2756 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2757 LIBPNG="-lpng -lz -lm"
2759 AC_CHECK_DECL(png_longjmp,
2761 [AC_DEFINE(PNG_DEPSTRUCT, [],
2762 [Define to empty to suppress deprecation warnings when building
2763 with --enable-gcc-warnings and with libpng versions before 1.5,
2764 which lack png_longjmp.])],
2765 [[#ifdef HAVE_LIBPNG_PNG_H
2766 # include <libpng/png.h>
2775 ### Use -ltiff if available, unless `--with-tiff=no'.
2776 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
2779 if test "${opsys}" = "mingw32"; then
2780 if test "${with_tiff}" != "no"; then
2781 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
2783 if test "${HAVE_TIFF}" = "yes"; then
2784 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2786 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2787 if test "${with_tiff}" != "no"; then
2788 AC_CHECK_HEADER(tiffio.h,
2790 # At least one tiff package requires the jpeg library.
2791 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2792 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2795 if test "${HAVE_TIFF}" = "yes"; then
2796 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2797 dnl FIXME -lz -lm, as per libpng?
2803 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2804 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
2807 if test "${opsys}" = "mingw32"; then
2808 if test "${with_gif}" != "no"; then
2809 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
2811 if test "${HAVE_GIF}" = "yes"; then
2812 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2814 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
2815 || test "${HAVE_W32}" = "yes"; then
2816 AC_CHECK_HEADER(gif_lib.h,
2817 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2818 # Earlier versions can crash Emacs.
2819 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2821 if test "$HAVE_GIF" = yes; then
2823 elif test "$HAVE_GIF" = maybe; then
2824 # If gif_lib.h but no libgif, try libungif.
2825 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2826 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2829 if test "${HAVE_GIF}" = "yes"; then
2830 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2835 dnl Check for required libraries.
2836 if test "${HAVE_X11}" = "yes"; then
2839 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2840 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2841 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2842 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2843 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2844 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2845 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2846 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2847 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2848 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2850 if test "X${MISSING}" != X; then
2851 AC_MSG_ERROR([The following required libraries were not found:
2853 Maybe some development libraries/packages are missing?
2854 If you don't want to link with them give
2856 as options to configure])
2860 ### Use -lgpm if available, unless `--with-gpm=no'.
2863 if test "${with_gpm}" != "no"; then
2864 AC_CHECK_HEADER(gpm.h,
2865 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2867 if test "${HAVE_GPM}" = "yes"; then
2868 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2874 dnl Check for malloc/malloc.h on darwin
2875 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2878 ### Use NeXTstep API to implement GUI.
2879 if test "${HAVE_NS}" = "yes"; then
2880 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2881 if test "${NS_IMPL_COCOA}" = "yes"; then
2882 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2884 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2885 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2886 # See also .m.o rule in Makefile.in */
2887 # FIXME: are all these flags really needed? Document here why. */
2888 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2889 ## Extra CFLAGS applied to src/*.m files.
2890 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"
2892 # We also have mouse menus.
2897 if test "${HAVE_W32}" = "yes"; then
2901 ### Use session management (-lSM -lICE) if available
2904 if test "${HAVE_X11}" = "yes"; then
2905 AC_CHECK_HEADER(X11/SM/SMlib.h,
2906 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2908 if test "${HAVE_X_SM}" = "yes"; then
2909 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2913 *) LIBS="$LIBXSM $LIBS" ;;
2919 ### Use libxml (-lxml2) if available
2920 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
2922 if test "${with_xml2}" != "no"; then
2923 ### I'm not sure what the version number should be, so I just guessed.
2924 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2925 if test "${HAVE_LIBXML2}" = "yes"; then
2926 if test "${opsys}" != "mingw32"; then
2927 LIBS="$LIBXML2_LIBS $LIBS"
2928 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2932 if test "${HAVE_LIBXML2}" = "yes"; then
2933 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2940 AC_SUBST(LIBXML2_LIBS)
2941 AC_SUBST(LIBXML2_CFLAGS)
2943 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2944 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
2945 if test "${opsys}" = "mingw32"; then
2946 emacs_cv_netdb_declares_h_errno=yes
2948 AC_CACHE_CHECK(whether netdb declares h_errno,
2949 emacs_cv_netdb_declares_h_errno,
2950 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2951 [[return h_errno;]])],
2952 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2953 if test $emacs_cv_netdb_declares_h_errno = yes; then
2954 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2957 # sqrt and other floating-point functions such as fmod and frexp
2958 # are found in -lm on most systems, but mingw32 doesn't use -lm.
2959 if test "${opsys}" != "mingw32"; then
2960 AC_CHECK_LIB(m, sqrt)
2963 # Check for mail-locking functions in a "mail" library. Probably this should
2964 # have the same check as for liblockfile below.
2965 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2966 if test $have_mail = yes; then
2968 LIBS="$LIBS_MAIL $LIBS"
2969 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2973 dnl Debian, at least:
2974 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2975 if test $have_lockfile = yes; then
2976 LIBS_MAIL=-llockfile
2977 LIBS="$LIBS_MAIL $LIBS"
2978 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2980 # If we have the shared liblockfile, assume we must use it for mail
2981 # locking (e.g. Debian). If we couldn't link against liblockfile
2982 # (no liblockfile.a installed), ensure that we don't need to.
2983 dnl This works for files generally, not just executables.
2984 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2985 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2986 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2987 if test $ac_cv_prog_liblockfile = yes; then
2988 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2989 This probably means that movemail could lose mail.
2990 There may be a `development' package to install containing liblockfile.])
2993 AC_CHECK_HEADERS_ONCE(maillock.h)
2996 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2997 ## interlock access to the mail spool. The alternative is a lock file named
2998 ## /usr/spool/mail/$USER.lock.
3001 aix4-2) mail_lock="lockf" ;;
3003 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3005 ## On GNU/Linux systems, both methods are used by various mail programs.
3006 ## I assume most people are using newer mailers that have heard of flock.
3007 ## Change this if you need to.
3008 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3009 ## configure gets the right answers, and that means *NOT* using flock.
3010 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3011 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3012 ## Debian maintainer hasn't provided a clean fix for Emacs.
3013 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3014 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3015 ## correct logic. -- fx
3016 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3017 ## liblockfile is a Free Software replacement for libmail, used on
3018 ## Debian systems and elsewhere. -rfr.
3021 if test $have_mail = yes || test $have_lockfile = yes; then
3022 test $ac_cv_header_maillock_h = yes && mail_lock=no
3028 case "$mail_lock" in
3029 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3031 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3033 *) BLESSMAIL_TARGET="need-blessmail" ;;
3035 AC_SUBST(BLESSMAIL_TARGET)
3038 AC_CHECK_FUNCS(gethostname \
3039 getrusage get_current_dir_name \
3041 select getpagesize setlocale \
3042 utimes getrlimit setrlimit shutdown getaddrinfo \
3043 strsignal setitimer \
3044 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3045 gai_strerror mkstemp getline getdelim sync \
3046 difftime posix_memalign \
3047 getpwent endpwent getgrent endgrent \
3049 cfmakeraw cfsetspeed copysign __executable_start)
3051 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3052 ## has a broken `rint' in some library versions including math library
3053 ## version number A.09.05.
3054 ## You can fix the math library by installing patch number PHSS_4630.
3055 ## But we can fix it more reliably for Emacs by just not using rint.
3056 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3059 *) AC_CHECK_FUNCS(random rint) ;;
3062 dnl Cannot use AC_CHECK_FUNCS
3063 AC_CACHE_CHECK([for __builtin_unwind_init],
3064 emacs_cv_func___builtin_unwind_init,
3065 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3066 emacs_cv_func___builtin_unwind_init=yes,
3067 emacs_cv_func___builtin_unwind_init=no)])
3068 if test $emacs_cv_func___builtin_unwind_init = yes; then
3069 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3070 [Define to 1 if you have the `__builtin_unwind_init' function.])
3073 AC_CHECK_HEADERS_ONCE(sys/un.h)
3078 AC_CHECK_FUNCS(grantpt)
3080 # PTY-related GNU extensions.
3081 AC_CHECK_FUNCS(getpt posix_openpt)
3083 # Check this now, so that we will NOT find the above functions in ncurses.
3084 # That is because we have not set up to link ncurses in lib-src.
3085 # It's better to believe a function is not available
3086 # than to expect to find it in ncurses.
3087 # Also we need tputs and friends to be able to build at all.
3088 AC_MSG_CHECKING([for library containing tputs])
3089 # Run a test program that contains a call to tputs, a call that is
3090 # never executed. This tests whether a pre-'main' dynamic linker
3091 # works with the library. It's too much trouble to actually call
3092 # tputs in the test program, due to portability hassles. When
3093 # cross-compiling, assume the test program will run if it links.
3094 AC_DEFUN([tputs_link_source], [
3096 [[extern void tputs (const char *, int, int (*)(int));
3097 int main (int argc, char **argv)
3100 tputs (argv[0], 0, 0);
3104 if test "${opsys}" = "mingw32"; then
3107 # Maybe curses should be tried earlier?
3108 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3109 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3111 if test -z "$tputs_library"; then
3115 LIBS_TERMCAP=-l$tputs_library
3117 LIBS="$LIBS_TERMCAP $LIBS"
3119 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3120 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3122 if test "X$msg" != Xno; then
3127 AC_MSG_RESULT([$msg])
3128 if test "X$msg" = Xno; then
3129 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3130 The following libraries were tried (in order):
3131 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3132 Please try installing whichever of these libraries is most appropriate
3133 for your system, together with its header files.
3134 For example, a libncurses-dev(el) or similar package.])
3137 ## Use termcap instead of terminfo?
3138 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3140 ## FIXME? In the cases below where we unconditionally set
3141 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3142 ## if that was found above to have tputs.
3143 ## Should we use the gnu* logic everywhere?
3145 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3146 ## The ncurses library has been moved out of the System framework in
3147 ## Mac OS X 10.2. So if configure detects it, set the command-line
3148 ## option to use it.
3149 darwin) LIBS_TERMCAP="-lncurses" ;;
3151 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3154 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3155 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3156 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3157 [[#if __FreeBSD_version < 400000
3160 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3162 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3164 if test $emacs_cv_freebsd_terminfo = yes; then
3165 LIBS_TERMCAP="-lncurses"
3168 LIBS_TERMCAP="-ltermcap"
3178 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3180 LIBS_TERMCAP="-ltermcap"
3184 openbsd) LIBS_TERMCAP="-lncurses" ;;
3186 ## hpux: Make sure we get select from libc rather than from libcurses
3187 ## because libcurses on HPUX 10.10 has a broken version of select.
3188 ## We used to use -lc -lcurses, but this may be cleaner.
3189 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3190 # set that way, now it uses the default). Isn't this a contradiction?
3191 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3195 TERMCAP_OBJ=tparam.o
3196 if test $TERMINFO = yes; then
3197 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3198 TERMCAP_OBJ=terminfo.o
3200 AC_SUBST(LIBS_TERMCAP)
3201 AC_SUBST(TERMCAP_OBJ)
3204 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3205 # On Darwin, res_init appears not to be useful: see bug#562 and
3206 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3209 if test $opsys != darwin; then
3211 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3212 #include <arpa/nameser.h>
3213 #include <resolv.h>]],
3214 [[return res_init();]])],
3215 have_res_init=yes, have_res_init=no)
3216 if test "$have_res_init" = no; then
3218 LIBS="$LIBS -lresolv"
3219 AC_MSG_CHECKING(for res_init with -lresolv)
3220 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3221 #include <arpa/nameser.h>
3222 #include <resolv.h>]],
3223 [[return res_init();]])],
3224 have_res_init=yes, have_res_init=no)
3225 AC_MSG_RESULT($have_res_init)
3226 if test "$have_res_init" = yes ; then
3232 if test "$have_res_init" = yes; then
3233 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3237 # Do we need the Hesiod library to provide the support routines?
3238 dnl FIXME? Should we be skipping this on Darwin too?
3240 if test "$with_hesiod" != no ; then
3241 # Don't set $LIBS here -- see comments above. FIXME which comments?
3242 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3243 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3244 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3245 if test "$resolv" = yes ; then
3250 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3251 hesiod=yes, :, $RESOLVLIB)])
3253 if test x"$hesiod" = xyes; then
3254 AC_DEFINE(HAVE_LIBHESIOD, 1,
3255 [Define to 1 if you have the hesiod library (-lhesiod).])
3261 # Do we need libresolv (due to res_init or Hesiod)?
3262 if test "$resolv" = yes && test $opsys != darwin; then
3263 AC_DEFINE(HAVE_LIBRESOLV, 1,
3264 [Define to 1 if you have the resolv library (-lresolv).])
3271 # These tell us which Kerberos-related libraries to use.
3278 if test "${with_kerberos}" != no; then
3279 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3280 if test $have_com_err = yes; then
3281 COM_ERRLIB=-lcom_err
3282 LIBS="$COM_ERRLIB $LIBS"
3283 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3285 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3286 if test $have_crypto = yes; then
3288 LIBS="$CRYPTOLIB $LIBS"
3289 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3291 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3292 if test $have_k5crypto = yes; then
3293 CRYPTOLIB=-lk5crypto
3294 LIBS="$CRYPTOLIB $LIBS"
3295 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3297 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3298 if test $have_krb5=yes; then
3300 LIBS="$KRB5LIB $LIBS"
3301 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3303 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3304 if test "${with_kerberos5}" = no; then
3305 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3306 if test $have_des425 = yes; then
3308 LIBS="$DESLIB $LIBS"
3309 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3311 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3312 if test $have_des = yes; then
3314 LIBS="$DESLIB $LIBS"
3315 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3318 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3319 if test $have_krb4 = yes; then
3321 LIBS="$KRB4LIB $LIBS"
3322 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3324 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3325 if test $have_krb = yes; then
3327 LIBS="$KRB4LIB $LIBS"
3328 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3333 if test "${with_kerberos5}" != no; then
3334 AC_CHECK_HEADERS(krb5.h,
3335 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3336 [#include <krb5.h>])])
3338 AC_CHECK_HEADERS(des.h,,
3339 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3340 [AC_CHECK_HEADERS(kerberos/des.h)])])
3341 AC_CHECK_HEADERS(krb.h,,
3342 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3343 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3345 AC_CHECK_HEADERS(com_err.h)
3348 AC_SUBST(COM_ERRLIB)
3354 AC_CHECK_FUNCS_ONCE(tzset)
3355 AC_MSG_CHECKING(whether localtime caches TZ)
3356 AC_CACHE_VAL(emacs_cv_localtime_cache,
3357 [if test x$ac_cv_func_tzset = xyes; then
3358 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3359 char TZ_GMT0[] = "TZ=GMT0";
3360 char TZ_PST8[] = "TZ=PST8";
3363 time_t now = time ((time_t *) 0);
3364 int hour_GMT0, hour_unset;
3365 if (putenv (TZ_GMT0) != 0)
3367 hour_GMT0 = localtime (&now)->tm_hour;
3369 hour_unset = localtime (&now)->tm_hour;
3370 if (putenv (TZ_PST8) != 0)
3372 if (localtime (&now)->tm_hour == hour_GMT0)
3375 if (localtime (&now)->tm_hour != hour_unset)
3378 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3379 [# If we have tzset, assume the worst when cross-compiling.
3380 emacs_cv_localtime_cache=yes])
3382 # If we lack tzset, report that localtime does not cache TZ,
3383 # since we can't invalidate the cache if we don't have tzset.
3384 emacs_cv_localtime_cache=no
3386 AC_MSG_RESULT($emacs_cv_localtime_cache)
3387 if test $emacs_cv_localtime_cache = yes; then
3388 AC_DEFINE(LOCALTIME_CACHE, 1,
3389 [Define to 1 if localtime caches TZ.])
3393 AC_CHECK_FUNC(socket, , ok_so_far=no)
3394 if test $ok_so_far = yes; then
3395 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3397 if test $ok_so_far = yes; then
3398 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3400 if test $ok_so_far = yes; then
3401 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3402 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3403 [Define to 1 if you have inet sockets.])
3406 if test -f /usr/lpp/X11/bin/smt.exp; then
3407 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3408 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3411 AC_MSG_CHECKING(whether system supports dynamic ptys)
3412 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3414 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3419 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3420 dnl This can be removed once we assume Autoconf 2.70.
3422 *-solaris2.4 | *-solaris2.4.*)
3423 dnl Disable the Autoconf-generated vfork test.
3424 : ${ac_cv_func_vfork_works=no};;
3429 AC_CHECK_FUNCS(snprintf)
3431 dnl Adapted from Haible's version.
3432 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3433 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3434 [[char* cs = nl_langinfo(CODESET);]])],
3435 emacs_cv_langinfo_codeset=yes,
3436 emacs_cv_langinfo_codeset=no)
3438 if test $emacs_cv_langinfo_codeset = yes; then
3439 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3440 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3445 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3446 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3447 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3448 if test "$emacs_cv_c_restrict_arr" = yes; then
3449 AC_DEFINE(__restrict_arr, __restrict,
3450 [Define to compiler's equivalent of C99 restrict keyword in array
3451 declarations. Define as empty for no equivalent.])
3454 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3455 dnl how the tty code is related to POSIX and/or other versions of termios.
3456 dnl The following looks like a useful start.
3458 dnl AC_SYS_POSIX_TERMIOS
3459 dnl if test $ac_cv_sys_posix_termios = yes; then
3460 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3461 dnl and macros for terminal control.])
3462 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3465 dnl Turned on June 1996 supposing nobody will mind it.
3466 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3467 if test "${opsys}" != "mingw32"; then
3468 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3469 in the full name stands for the login id.])
3472 dnl Every platform that uses configure supports this.
3473 dnl There is a create-lockfiles option you can
3474 dnl customize if you do not want the lock files to be written.
3475 dnl So it is not clear that this #define still needs to exist.
3476 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3477 so that Emacs can tell instantly when you try to modify a file that
3478 someone else has modified in his/her Emacs.])
3480 dnl Everybody supports this, except MS.
3481 dnl Seems like the kind of thing we should be testing for, though.
3482 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3483 if test "${opsys}" != "mingw32"; then
3484 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3487 dnl Everybody supports this, except MS-DOS.
3488 dnl Seems like the kind of thing we should be testing for, though.
3489 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3490 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3491 4.2-compatible sockets.])
3493 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3495 if test "${opsys}" = "mingw32"; then
3496 AC_DEFINE(NULL_DEVICE, ["NUL:"], [Name of the file to open to get
3497 a null file, or a data sink.])
3499 AC_DEFINE(NULL_DEVICE, ["/dev/null"], [Name of the file to open to get
3500 a null file, or a data sink.])
3503 if test "${opsys}" = "mingw32"; then
3504 AC_DEFINE(SEPCHAR, [';'], [Character that separates PATH elements.])
3506 AC_DEFINE(SEPCHAR, [':'], [Character that separates PATH elements.])
3509 dnl Everybody supports this, except MS-DOS.
3510 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3512 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3515 AC_DEFINE(DIRECTORY_SEP, ['/'],
3516 [Character that separates directories in a file name.])
3518 if test "${opsys}" = "mingw32"; then
3519 dnl Only used on MS platforms.
3520 AC_DEFINE(DEVICE_SEP, ':', [Character that separates a device in a file name.])
3521 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == DEVICE_SEP)],
3522 [Returns true if character is a device separator.])
3524 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3525 [Returns true if character is a directory separator.])
3527 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3528 [Returns true if character is any form of separator.])
3530 AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.])
3532 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3533 [Returns true if character is a device separator.])
3535 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3536 [Returns true if character is a directory separator.])
3538 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3539 [Returns true if character is any form of separator.])
3542 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3546 dnl Unfortunately without libXmu we cannot support EditRes.
3547 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3548 AC_DEFINE(NO_EDITRES, 1)
3553 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3554 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3555 AC_DEFINE(NO_EDITRES, 1)
3561 irix6-5 | sol2* | unixware )
3562 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3563 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3564 dnl need the constant to dimension an array. So wire in the appropriate
3566 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3570 emacs_broken_SIGIO=no
3573 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3574 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3575 hpux* | irix6-5 | openbsd | sol2* | unixware )
3576 emacs_broken_SIGIO=yes
3580 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3581 dnl the way this system works, libc functions that return malloced
3582 dnl memory use the libc malloc implementation. Calling xfree or
3583 dnl xrealloc on the results of such functions results in a crash.
3585 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3586 dnl but that does not currently work on this system.
3588 dnl It is possible to completely override the malloc implementation on
3589 dnl AIX, but that involves putting the malloc functions in a shared
3590 dnl library and setting the MALLOCTYPE environment variable to point to
3591 dnl that shared library.
3593 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3594 dnl to avoid a crash just use the Emacs implementation for that function.
3596 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3597 dnl of this file, so that we do not check for get_current_dir_name
3598 dnl on AIX. But that might be fragile if something else ends
3599 dnl up testing for get_current_dir_name as a dependency.
3600 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3601 get_current_dir_name should not be used.])
3605 dnl Circumvent a bug in FreeBSD. In the following sequence of
3606 dnl writes/reads on a PTY, read(2) returns bogus data:
3608 dnl write(2) 1022 bytes
3609 dnl write(2) 954 bytes, get EAGAIN
3610 dnl read(2) 1024 bytes in process_read_output
3611 dnl read(2) 11 bytes in process_read_output
3613 dnl That is, read(2) returns more bytes than have ever been written
3614 dnl successfully. The 1033 bytes read are the 1022 bytes written
3615 dnl successfully after processing (for example with CRs added if the
3616 dnl terminal is set up that way which it is here). The same bytes will
3617 dnl be seen again in a later read(2), without the CRs.
3618 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3619 work around an issue when reading from a PTY.])
3625 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3626 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3631 darwin | freebsd | netbsd | openbsd )
3632 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3633 close a pty to make it a controlling terminal (it is already a
3634 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3638 dnl FIXME Surely we can test for this rather than hard-code it.
3640 netbsd | openbsd) sound_device="/dev/audio" ;;
3641 *) sound_device="/dev/dsp" ;;
3645 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3646 [Name of the default sound device.])
3649 dnl Emacs can read input using SIGIO and buffering characters itself,
3650 dnl or using CBREAK mode and making C-g cause SIGINT.
3651 dnl The choice is controlled by the variable interrupt_input.
3653 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3655 dnl Emacs uses the presence of the USABLE_SIGIO macro
3656 dnl to indicate whether or not signal-driven I/O is possible. It uses
3657 dnl INTERRUPT_INPUT to decide whether to use it by default.
3659 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3660 dnl CBREAK mode has two disadvantages
3661 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3662 dnl I hear that in system V this problem does not exist.
3663 dnl 2) Control-G causes output to be discarded.
3664 dnl I do not know whether this can be fixed in system V.
3666 dnl Another method of doing input is planned but not implemented.
3667 dnl It would have Emacs fork off a separate process
3668 dnl to read the input and send it to the true Emacs process
3671 darwin | gnu-linux | gnu-kfreebsd )
3672 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3677 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3678 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3679 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3680 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3681 dnl taking float or double parameters.
3683 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3684 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3685 file defines `NeedWidePrototypes' as `NO'.])
3690 dnl Used in process.c, this must be a loop, even if it only runs once.
3691 dnl (Except on SGI; see below. Take that, clarity and consistency!)
3692 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
3693 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
3694 dnl trying suffixes 0-16.
3695 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
3696 first PTY, if PTYs are supported.])
3697 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
3698 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
3699 end of a PTY, if non-standard.])
3700 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
3701 end of a PTY, if non-standard.])
3705 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
3706 dnl You allocate a pty by opening /dev/ptc to get the master side.
3707 dnl To get the name of the slave side, you just ttyname() the master side.
3708 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
3709 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
3713 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3714 dnl multi-line AC_DEFINEs are hard. :(
3715 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)])
3716 AC_DEFINE(PTY_NAME_SPRINTF, [])
3717 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3720 dnl FIXME? Maybe use same as freebsd - see bug#12040.
3722 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3723 dnl Not used, because PTY_ITERATION is defined.
3724 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3725 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
3726 dnl But we don't have to block SIGCHLD because it is blocked in the
3727 dnl implementation of grantpt.
3728 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
3729 AC_DEFINE(PTY_NAME_SPRINTF, [])
3730 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3734 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3737 gnu-linux | gnu-kfreebsd | freebsd | netbsd )
3739 if test "x$ac_cv_func_grantpt" = xyes; then
3740 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
3741 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3742 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
3743 dnl to prevent sigchld_handler from intercepting the child's death.
3744 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); }])
3745 dnl if HAVE_POSIX_OPENPT
3746 if test "x$ac_cv_func_posix_openpt" = xyes; then
3747 AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
3748 AC_DEFINE(PTY_NAME_SPRINTF, [])
3750 elif test "x$ac_cv_func_getpt" = xyes; then
3751 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
3752 AC_DEFINE(PTY_NAME_SPRINTF, [])
3754 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3757 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3762 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3763 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
3764 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
3768 dnl It looks like this cannot be right, because it is not a loop.
3769 dnl However, process.c actually does this:
3775 dnl which presumably makes it OK, since irix == sgi (?).
3776 dnl FIXME it seems like this special treatment is unnecessary?
3777 dnl Why can't irix use a single-trip loop like eg cygwin?
3778 AC_DEFINE(PTY_ITERATION, [])
3779 dnl Not used, because PTY_ITERATION is defined.
3780 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
3781 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); }])
3782 dnl No need to get the pty name at all.
3783 AC_DEFINE(PTY_NAME_SPRINTF, [])
3784 dnl No need to use sprintf to get the tty name--we get that from _getpty.
3785 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3789 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
3790 dnl from intercepting that death. If any child but grantpt's should die
3791 dnl within, it should be caught after sigrelse(2).
3792 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); }])
3796 dnl Comments are as per sol2*.
3797 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); }])
3804 dnl This change means that we don't loop through allocate_pty too
3805 dnl many times in the (rare) event of a failure.
3806 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
3807 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3808 dnl Push various streams modules onto a PTY channel. Used in process.c.
3809 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.])
3814 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
3815 "typing" a signal character on the pty.])
3818 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
3819 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
3820 aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd | darwin )
3821 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3824 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
3825 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
3826 gnu-linux | gnu-kfreebsd )
3828 AC_MSG_CHECKING([for signals via characters])
3829 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3830 #include <linux/version.h>
3831 #if LINUX_VERSION_CODE < 0x20400
3832 # error "Linux version too old"
3834 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
3836 AC_MSG_RESULT([$emacs_signals_via_chars])
3837 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3842 dnl Used in lisp.h, emacs.c, vm-limit.c
3843 dnl NEWS.18 describes this as "a number which contains
3844 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
3845 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
3846 stored in a Lisp_Object.])
3847 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
3851 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
3852 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
3855 dnl The data segment on this machine always starts at address 0x40000000.
3856 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
3859 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
3864 AH_TEMPLATE(TAB3, [Undocumented.])
3867 darwin) AC_DEFINE(TAB3, OXTABS) ;;
3869 gnu | freebsd | netbsd | openbsd )
3870 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
3871 AC_DEFINE(TAB3, OXTABS)
3874 gnu-linux | gnu-kfreebsd )
3875 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3879 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
3880 [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)],
3881 [Mark a secondary stack, like the register stack on the ia64.]), [])
3885 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
3886 run_time_remap; for HPUX.])
3891 dnl This won't be used automatically yet. We also need to know, at least,
3892 dnl that the stack is continuous.
3893 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
3894 registers relevant for conservative garbage collection in the jmp_buf.])
3898 dnl Not all the architectures are tested, but there are Debian packages
3899 dnl for SCM and/or Guile on them, so the technique must work. See also
3900 dnl comments in alloc.c concerning setjmp and gcc.
3901 dnl Fixme: it's probably safe to just use the GCC conditional below.
3902 gnu-linux | gnu-kfreebsd )
3903 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3904 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
3905 || defined __alpha__ || defined __mips__ || defined __s390__ \
3906 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
3907 || defined __ia64__ || defined __sh__
3910 # error "setjmp not known to work on this arch"
3912 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
3917 if test x$GCC = xyes; then
3918 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
3919 AC_DEFINE(GC_SETJMP_WORKS, 1)
3922 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
3923 freebsd | netbsd | openbsd | irix6-5 | sol2* )
3924 AC_DEFINE(GC_SETJMP_WORKS, 1)
3929 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
3930 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
3933 [[#include <setjmp.h>
3935 # define _longjmp longjmp
3940 _longjmp (j, 1);]])],
3941 [emacs_cv_func__setjmp=yes],
3942 [emacs_cv_func__setjmp=no])])
3943 if test $emacs_cv_func__setjmp = yes; then
3944 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
3946 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
3949 [[#include <setjmp.h>
3952 if (! sigsetjmp (j, 1))
3953 siglongjmp (j, 1);]])],
3954 [emacs_cv_func_sigsetjmp=yes],
3955 [emacs_cv_func_sigsetjmp=no])])
3956 if test $emacs_cv_func_sigsetjmp = yes; then
3957 AC_DEFINE([HAVE_SIGSETJMP], 1,
3958 [Define to 1 if sigsetjmp and siglongjmp work.
3959 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
3965 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
3966 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
3967 dnl and this is all we need.
3968 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
3975 dnl Used in xfaces.c.
3976 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
3977 some systems, where it requires time.h.])
3982 dnl Define symbols to identify the version of Unix this is.
3983 dnl Define all the symbols that apply correctly.
3984 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
3985 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
3986 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
3987 AH_TEMPLATE(USG5, [Define if the system is compatible with System V.])
3988 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
3994 dnl This symbol should be defined on AIX Version 3 ???????
3995 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3997 # error "_AIX not defined"
3999 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4003 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4007 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4008 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4009 dnl distinguish OS X from pure Darwin.
4010 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4013 gnu-linux | gnu-kfreebsd )
4015 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4021 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4027 AC_DEFINE(USG5_4, [])
4028 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4032 AC_DEFINE(DOS_NT, [])
4033 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4034 if test "x$ac_enable_checking" != "x" ; then
4035 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4042 AC_DEFINE(USG5_4, [])
4043 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4049 AC_DEFINE(USG5_4, [])
4053 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4056 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4057 emacs_cv_usable_FIONREAD=no
4061 emacs_cv_usable_FIONREAD=yes
4066 [AC_LANG_PROGRAM([[#include <sys/types.h>
4067 #include <sys/ioctl.h>
4069 # include <sys/filio.h>
4072 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4073 [emacs_cv_usable_FIONREAD=yes],
4074 [emacs_cv_usable_FIONREAD=no])
4077 if test $emacs_cv_usable_FIONREAD = yes; then
4078 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4080 if test $emacs_broken_SIGIO = no; then
4081 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4083 [AC_LANG_PROGRAM([[#include <fcntl.h>
4086 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4087 [emacs_cv_usable_SIGIO=yes],
4088 [emacs_cv_usable_SIGIO=no])],
4089 [emacs_cv_usable_SIGIO=yes],
4090 [emacs_cv_usable_SIGIO=no])
4091 if test $emacs_cv_usable_SIGIO = yes; then
4092 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4099 dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls
4100 dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
4101 dnl As malloc is not the Cygwin malloc, the Cygwin memalign always
4102 dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
4104 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4105 G_SLICE environment variable to "always-malloc" at startup, if
4110 dnl It works to open the pty's tty in the parent (Emacs), then
4111 dnl close and reopen it in the child.
4112 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4113 works to open a pty's tty in the parent process, then close and
4114 reopen it in the child.])
4118 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4119 use VSUSP instead of VSWTCH.])
4123 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4128 # Set up the CFLAGS for real compilation, so we can substitute it.
4129 CFLAGS="$REAL_CFLAGS"
4130 CPPFLAGS="$REAL_CPPFLAGS"
4132 ## Hack to detect a buggy GCC version.
4133 if test "x$GCC" = xyes \
4134 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4135 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4136 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4137 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4140 version=$PACKAGE_VERSION
4142 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4143 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4144 [Short copyright string for this version of Emacs.])
4147 ### Specify what sort of things we'll be editing into Makefile and config.h.
4148 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4150 AC_SUBST(configuration)
4155 AC_SUBST(exec_prefix)
4158 AC_SUBST(sharedstatedir)
4159 AC_SUBST(libexecdir)
4164 AC_SUBST(standardlisppath)
4165 AC_SUBST(locallisppath)
4167 AC_SUBST(x_default_search_path)
4169 AC_SUBST(archlibdir)
4174 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4175 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4176 ## end of LIBX_BASE, but nothing ever set it.
4177 AC_SUBST(LD_SWITCH_X_SITE)
4178 AC_SUBST(C_SWITCH_X_SITE)
4179 AC_SUBST(GNUSTEP_CFLAGS)
4181 ## Used in lwlib/Makefile.in.
4182 AC_SUBST(X_TOOLKIT_TYPE)
4184 AC_SUBST(ns_appbindir)
4185 AC_SUBST(ns_appresdir)
4187 AC_SUBST(GNU_OBJC_CFLAGS)
4188 AC_SUBST(OTHER_FILES)
4190 if test -n "${term_header}"; then
4191 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4192 [Define to the header for the built-in window system.])
4195 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4196 [Define to the canonical Emacs configuration name.])
4197 dnl Replace any embedded " characters (bug#13274).
4198 emacs_config_options=`echo "$emacs_config_options " | sed -e 's/--no-create //' -e 's/--no-recursion //' -e 's/ *$//' -e "s/\"/'/g"`
4199 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4200 [Define to the options passed to configure.])
4201 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4202 define this to include extra configuration information.])
4206 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4213 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4214 AC_DEFINE(HAVE_X_WINDOWS, 1,
4215 [Define to 1 if you want to use the X window system.])
4217 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
4219 if test "$HAVE_XFT" = "yes"; then
4220 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4221 elif test "$HAVE_FREETYPE" = "yes"; then
4222 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4232 if test "${USE_X_TOOLKIT}" != "none" ; then
4234 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4235 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4236 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4237 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4238 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4242 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4243 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4247 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4248 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4249 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4253 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4254 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4257 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4260 AC_SUBST(WIDGET_OBJ)
4263 case "$USE_X_TOOLKIT" in
4264 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4265 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4266 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4268 AC_SUBST(TOOLKIT_LIBW)
4270 if test "${opsys}" != "mingw32"; then
4271 if test "$USE_X_TOOLKIT" = "none"; then
4272 LIBXT_OTHER="\$(LIBXSM)"
4273 OLDXMENU_TARGET="really-oldXMenu"
4275 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4276 OLDXMENU_TARGET="really-lwlib"
4279 AC_SUBST(LIBXT_OTHER)
4281 ## The X Menu stuff is present in the X10 distribution, but missing
4282 ## from X11. If we have X10, just use the installed library;
4283 ## otherwise, use our own copy.
4284 if test "${HAVE_X11}" = "yes" ; then
4285 AC_DEFINE(HAVE_X11, 1,
4286 [Define to 1 if you want to use version 11 of X windows.
4287 Otherwise, Emacs expects to use version 10.])
4289 if test "$USE_X_TOOLKIT" = "none"; then
4290 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4292 OLDXMENU="\${lwlibdir}/liblw.a"
4294 LIBXMENU="\$(OLDXMENU)"
4295 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4296 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4298 ## For a syntactically valid Makefile; not actually used for anything.
4299 ## See comments in src/Makefile.in.
4301 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4302 if test "${HAVE_X_WINDOWS}" = "yes"; then
4311 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4318 AC_SUBST(OLDXMENU_TARGET)
4321 AC_SUBST(LIBX_OTHER)
4322 AC_SUBST(OLDXMENU_DEPS)
4324 if test "${HAVE_MENUS}" = "yes" ; then
4325 AC_DEFINE(HAVE_MENUS, 1,
4326 [Define to 1 if you have mouse menus.
4327 (This is automatic if you use X, but the option to specify it remains.)
4328 It is also defined with other window systems that support xmenu.c.])
4331 if test "${GNU_MALLOC}" = "yes" ; then
4332 AC_DEFINE(GNU_MALLOC, 1,
4333 [Define to 1 if you want to use the GNU memory allocator.])
4337 if test "${REL_ALLOC}" = "yes" ; then
4338 AC_DEFINE(REL_ALLOC, 1,
4339 [Define REL_ALLOC if you want to use the relocating allocator for
4342 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4344 AC_SUBST(RALLOC_OBJ)
4346 if test "$opsys" = "cygwin"; then
4347 CYGWIN_OBJ="sheap.o cygw32.o"
4348 ## Cygwin differs because of its unexec().
4350 POST_ALLOC_OBJ=lastfile.o
4351 elif test "$opsys" = "mingw32"; then
4354 POST_ALLOC_OBJ=lastfile.o
4357 PRE_ALLOC_OBJ=lastfile.o
4360 AC_SUBST(CYGWIN_OBJ)
4361 AC_SUBST(PRE_ALLOC_OBJ)
4362 AC_SUBST(POST_ALLOC_OBJ)
4364 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4365 # it temporarily reverts them to their pre-pkg-config values,
4366 # because gnulib needs to work with both src (which uses the
4367 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4368 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4369 # and it therefore needs to run in an environment where LIBS does not
4370 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4371 # for some package unrelated to lib-src.
4374 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4375 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4376 gl_ASSERT_NO_GNULIB_POSIXCHECK
4377 gl_ASSERT_NO_GNULIB_TESTS
4382 if test "${opsys}" = "mingw32"; then
4383 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I $srcdir/nt/inc"
4384 # Remove unneeded switches from the value of CC that goes to Makefiles
4385 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4389 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4392 ## The -headerpad option tells ld (see man page) to leave room at the
4393 ## end of the header for adding load commands. Needed for dumping.
4394 ## 0x690 is the total size of 30 segment load commands (at 56
4395 ## each); under Cocoa 31 commands are required.
4396 if test "$HAVE_NS" = "yes"; then
4397 libs_nsgui="-framework AppKit"
4403 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4405 ## This is here because src/Makefile.in did some extra fiddling around
4406 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4407 ## LD_SWITCH_SYSTEM_TEMACS instead,
4408 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4409 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4412 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4413 ## find X at run-time.
4414 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4415 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4416 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4417 ## had different values in configure (in ac_link) and src/Makefile.in.
4418 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4419 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4422 case "$canonical" in
4423 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" ;;
4424 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-subsystem,console -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4428 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4431 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4433 ## MinGW-specific post-link processing of temacs.
4434 TEMACS_POST_LINK=":"
4437 if test "${opsys}" = "mingw32"; then
4438 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4439 ADDSECTION="../nt/addsection\$(EXEEXT)"
4440 ## Preload heap size of temacs.exe in MB.
4441 case "$canonical" in
4442 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4443 *) EMACS_HEAPSIZE=27 ;;
4447 AC_SUBST(ADDSECTION)
4448 AC_SUBST(TEMACS_POST_LINK)
4449 AC_SUBST(EMACS_HEAPSIZE)
4451 ## Common for all window systems
4452 if test "$window_system" != "none"; then
4453 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4454 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4457 AC_SUBST(WINDOW_SYSTEM_OBJ)
4459 AH_TOP([/* GNU Emacs site configuration template file.
4461 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4462 Free Software Foundation, Inc.
4464 This file is part of GNU Emacs.
4466 GNU Emacs is free software: you can redistribute it and/or modify
4467 it under the terms of the GNU General Public License as published by
4468 the Free Software Foundation, either version 3 of the License, or
4469 (at your option) any later version.
4471 GNU Emacs is distributed in the hope that it will be useful,
4472 but WITHOUT ANY WARRANTY; without even the implied warranty of
4473 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4474 GNU General Public License for more details.
4476 You should have received a copy of the GNU General Public License
4477 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4480 /* No code in Emacs #includes config.h twice, but some bits of code
4481 intended to work with other packages as well (like gmalloc.c)
4482 think they can include it as many times as they like. */
4483 #ifndef EMACS_CONFIG_H
4484 #define EMACS_CONFIG_H
4487 AH_BOTTOM([#include <conf_post.h>
4489 #endif /* EMACS_CONFIG_H */
4498 #### Report on what we decided to do.
4499 #### Report GTK as a toolkit, even if it doesn't use Xt.
4500 #### It makes printing result more understandable as using GTK sets
4501 #### toolkit_scroll_bars to yes by default.
4502 if test "${HAVE_GTK}" = "yes"; then
4503 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4507 Configured for \`${canonical}'.
4509 Where should the build process find the source code? ${srcdir}
4510 What compiler should emacs be built with? ${CC} ${CFLAGS}
4511 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4512 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4513 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4514 What window system should Emacs use? ${window_system}
4515 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4517 if test -n "${x_includes}"; then
4518 echo " Where do we find X Windows header files? ${x_includes}"
4520 echo " Where do we find X Windows header files? Standard dirs"
4522 if test -n "${x_libraries}"; then
4523 echo " Where do we find X Windows libraries? ${x_libraries}"
4525 echo " Where do we find X Windows libraries? Standard dirs"
4528 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4529 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4530 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4531 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4532 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4533 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4534 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4535 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4537 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4538 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4539 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4540 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4541 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4542 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4543 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4545 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4546 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4547 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4548 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4550 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4553 if test -n "${EMACSDATA}"; then
4554 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4556 if test -n "${EMACSDOC}"; then
4557 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4562 if test "$HAVE_NS" = "yes"; then
4564 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4565 The installed application will go to nextstep/Emacs.app and can be
4566 run or moved from there."
4567 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4568 echo "The application will be fully self-contained."
4570 echo "The lisp resources for the application will be installed under ${prefix}.
4571 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4572 to run if these resources are not installed."
4577 if test "${opsys}" = "cygwin"; then
4579 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4585 # Remove any trailing slashes in these variables.
4586 [test "${prefix}" != NONE &&
4587 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4588 test "${exec_prefix}" != NONE &&
4589 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4591 if test "$HAVE_NS" = "yes"; then
4592 if test "$NS_IMPL_GNUSTEP" = yes; then
4593 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4594 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4596 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4597 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4601 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4602 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4603 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4604 dnl (else you get "no `Makefile.am' found for any configure output").
4605 dnl This will work, but you get a config.status that is not quite right
4606 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4607 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4608 dnl it seems better to just live with the duplication.
4609 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
4611 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4612 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4613 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4614 leim/Makefile nextstep/Makefile nt/Makefile])
4616 dnl test/ is not present in release tarfiles.
4617 opt_makefile=test/automated/Makefile
4619 if test -f "$srcdir/$opt_makefile.in"; then
4620 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4621 dnl Again, it's best not to use a variable. Though you can add
4622 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4623 AC_CONFIG_FILES([test/automated/Makefile])
4627 dnl admin/ may or may not be present.
4628 opt_makefile=admin/unidata/Makefile
4630 if test -f "$srcdir/$opt_makefile.in"; then
4631 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4632 AC_CONFIG_FILES([admin/unidata/Makefile])
4636 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4638 AC_SUBST(SUBDIR_MAKEFILES_IN)
4640 dnl Make the necessary directories, if they don't exist.
4641 AC_CONFIG_COMMANDS([mkdirs], [
4642 for dir in etc lisp ; do
4643 test -d ${dir} || mkdir ${dir}
4647 dnl You might wonder (I did) why epaths.h is generated by running make,
4648 dnl rather than just letting configure generate it from epaths.in.
4649 dnl One reason is that the various paths are not fully expanded (see above);
4650 dnl eg gamedir=${prefix}/var/games/emacs.
4651 dnl Secondly, the GNU Coding standards require that one should be able
4652 dnl to run `make prefix=/some/where/else' and override the values set
4653 dnl by configure. This also explains the `move-if-change' test and
4654 dnl the use of force in the `epaths-force' rule in Makefile.in.
4655 AC_CONFIG_COMMANDS([epaths], [
4656 echo creating src/epaths.h
4657 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4658 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
4660 AC_CONFIG_COMMANDS([gdbinit], [
4661 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
4662 echo creating src/.gdbinit
4663 echo "source $srcdir/src/.gdbinit" > src/.gdbinit