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.])
1582 if test "${HAVE_W32}" = "yes"; then
1583 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1584 AC_CHECK_TOOL(WINDRES, [windres],
1585 [AC_MSG_ERROR([No resource compiler found.])])
1586 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1587 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1588 EMACSRES="emacs.res"
1589 case "$canonical" in
1590 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1591 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1593 if test "${opsys}" = "cygwin"; then
1594 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1595 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1596 # Tell the linker that emacs.res is an object (which we compile from
1597 # the rc file), not a linker script.
1598 W32_RES_LINK="-Wl,-bpe-i386 -Wl,emacs.res"
1600 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1601 W32_OBJ="$W32_OBJ w32notify.o"
1602 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1603 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lusp10"
1604 CLIENTRES="emacsclient.res"
1605 CLIENTW="emacsclientw\$(EXEEXT)"
1606 FIRSTFILE_OBJ=firstfile.o
1614 AC_SUBST(EMACS_MANIFEST)
1617 AC_SUBST(W32_RES_LINK)
1618 AC_SUBST(FIRSTFILE_OBJ)
1622 if test "${HAVE_W32}" = "yes"; then
1627 ## $window_system is now set to the window system we will
1635 case "${window_system}" in
1640 case "${with_x_toolkit}" in
1641 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1642 motif ) USE_X_TOOLKIT=MOTIF ;;
1644 term_header=gtkutil.h
1645 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1646 dnl USE_X_TOOLKIT is set.
1647 USE_X_TOOLKIT=none ;;
1648 gtk2 ) with_gtk2=yes
1649 term_header=gtkutil.h
1650 USE_X_TOOLKIT=none ;;
1651 gtk3 ) with_gtk3=yes
1652 term_header=gtkutil.h
1653 USE_X_TOOLKIT=none ;;
1654 no ) USE_X_TOOLKIT=none ;;
1655 dnl If user did not say whether to use a toolkit, make this decision later:
1656 dnl use the toolkit if we have gtk, or X11R5 or newer.
1657 * ) USE_X_TOOLKIT=maybe ;;
1661 term_header=nsterm.h
1664 term_header=w32term.h
1668 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1669 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1670 if test "$HAVE_XSERVER" = true ||
1671 test -n "$DISPLAY" ||
1672 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1673 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1674 were found. You should install the relevant development files for X
1675 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1676 sure you have development files for image handling, i.e.
1677 tiff, gif, jpeg, png and xpm.
1678 If you are sure you want Emacs compiled without X window support, pass
1684 ### If we're using X11, we should use the X menu package.
1687 yes ) HAVE_MENUS=yes ;;
1690 # Does the opsystem file prohibit the use of the GNU malloc?
1691 # Assume not, until told otherwise.
1695 [whether malloc is Doug Lea style],
1696 [emacs_cv_var_doug_lea_malloc],
1699 [[#include <malloc.h>
1700 static void hook (void) {}]],
1701 [[malloc_set_state (malloc_get_state ());
1702 __after_morecore_hook = hook;
1703 __malloc_initialize_hook = hook;]])],
1704 [emacs_cv_var_doug_lea_malloc=yes],
1705 [emacs_cv_var_doug_lea_malloc=no])])
1706 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1709 dnl See comments in aix4-2.h about maybe using system malloc there.
1712 ## darwin ld insists on the use of malloc routines in the System framework.
1713 darwin|sol2-10) system_malloc=yes ;;
1716 if test "${system_malloc}" = "yes"; then
1717 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1720 (The GNU allocators don't work with this system configuration.)"
1724 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1725 VMLIMIT_OBJ=vm-limit.o
1727 AC_CHECK_HEADERS([sys/vlimit.h])
1728 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1731 [[extern char data_start[]; char ch;]],
1732 [[return data_start < &ch;]])],
1733 [emacs_cv_data_start=yes],
1734 [emacs_cv_data_start=no])])
1735 if test $emacs_cv_data_start = yes; then
1736 AC_DEFINE([HAVE_DATA_START], 1,
1737 [Define to 1 if data_start is the address of the start
1738 of the main data segment.])
1741 AC_SUBST(GMALLOC_OBJ)
1742 AC_SUBST(VMLIMIT_OBJ)
1744 if test "$doug_lea_malloc" = "yes" ; then
1745 if test "$GNU_MALLOC" = yes ; then
1747 (Using Doug Lea's new malloc from the GNU C Library.)"
1749 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1750 [Define to 1 if you are using the GNU C Library.])
1752 ## Use mmap directly for allocating larger buffers.
1753 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1754 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1755 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1757 gnu*) REL_ALLOC=no ;;
1761 if test x"${REL_ALLOC}" = x; then
1762 REL_ALLOC=${GNU_MALLOC}
1765 use_mmap_for_buffers=no
1767 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1771 if test $use_mmap_for_buffers = yes; then
1772 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1776 LIBS="$LIBS_SYSTEM $LIBS"
1778 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1779 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1780 AC_CHECK_LIB(dnet, dnet_ntoa)
1781 dnl This causes -lresolv to get used in subsequent tests,
1782 dnl which causes failures on some systems such as HPUX 9.
1783 dnl AC_CHECK_LIB(resolv, gethostbyname)
1785 dnl FIXME replace main with a function we actually want from this library.
1786 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1788 dnl Check if pthreads is available.
1790 AC_CHECK_HEADERS_ONCE(pthread.h)
1791 if test "$ac_cv_header_pthread_h"; then
1792 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1793 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1794 dnl testing for pthread_self if Emacs uses gmalloc.c.
1795 if test "$GMALLOC_OBJ" = gmalloc.o; then
1796 emacs_pthread_function=pthread_atfork
1798 emacs_pthread_function=pthread_self
1800 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1802 if test "$HAVE_PTHREAD" = yes; then
1803 case "${canonical}" in
1805 *) LIB_PTHREAD="-lpthread"
1806 LIBS="$LIB_PTHREAD $LIBS" ;;
1808 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1810 AC_SUBST([LIB_PTHREAD])
1812 AC_CHECK_LIB(pthreads, cma_open)
1814 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1815 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1816 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1817 ## added to LIBS in configure would never contain the pthreads part,
1818 ## but the value used in Makefiles might. FIXME?
1820 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1821 ## be harmless on older versions of X where it happens to exist.
1822 test "$opsys" = "aix4-2" && \
1823 test $ac_cv_lib_pthreads_cma_open = yes && \
1824 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1826 dnl Check for need for bigtoc support on IBM AIX
1830 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1832 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1833 *) gdb_cv_bigtoc=-bbigtoc ;;
1836 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1837 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1842 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1843 # used for the tests that follow. We set them back to REAL_CFLAGS and
1844 # REAL_CPPFLAGS later on.
1846 REAL_CFLAGS="$CFLAGS"
1847 REAL_CPPFLAGS="$CPPFLAGS"
1849 if test "${HAVE_X11}" = "yes"; then
1850 DEFS="$C_SWITCH_X_SITE $DEFS"
1851 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1853 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1854 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1856 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1857 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1858 # but it's more convenient here to set LD_RUN_PATH since this
1859 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1860 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1861 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1865 if test "${opsys}" = "gnu-linux"; then
1866 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1867 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1868 [[XOpenDisplay ("foo");]])],
1869 [xgnu_linux_first_failure=no],
1870 [xgnu_linux_first_failure=yes])
1871 if test "${xgnu_linux_first_failure}" = "yes"; then
1872 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1873 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1874 OLD_CPPFLAGS="$CPPFLAGS"
1876 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1877 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1878 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1879 LIBS="$LIBS -b i486-linuxaout"
1880 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1881 [[XOpenDisplay ("foo");]])],
1882 [xgnu_linux_second_failure=no],
1883 [xgnu_linux_second_failure=yes])
1884 if test "${xgnu_linux_second_failure}" = "yes"; then
1885 # If we get the same failure with -b, there is no use adding -b.
1886 # So take it out. This plays safe.
1887 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1888 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1889 CPPFLAGS="$OLD_CPPFLAGS"
1900 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1901 # header files included from there.
1902 AC_MSG_CHECKING(for Xkb)
1903 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1904 #include <X11/XKBlib.h>]],
1905 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1906 emacs_xkb=yes, emacs_xkb=no)
1907 AC_MSG_RESULT($emacs_xkb)
1908 if test $emacs_xkb = yes; then
1909 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
1912 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1913 XScreenNumberOfScreen)
1916 if test "${window_system}" = "x11"; then
1917 AC_MSG_CHECKING(X11 version 6)
1918 AC_CACHE_VAL(emacs_cv_x11_version_6,
1919 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1920 [[#if XlibSpecificationRelease < 6
1923 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1924 if test $emacs_cv_x11_version_6 = yes; then
1925 AC_MSG_RESULT(6 or newer)
1926 AC_DEFINE(HAVE_X11R6, 1,
1927 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1928 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1929 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1933 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1934 [Define if you have usable X11R6-style XIM support.])
1938 AC_MSG_RESULT(before 6)
1943 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1945 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
1946 if test "${with_rsvg}" != "no"; then
1947 RSVG_REQUIRED=2.11.0
1948 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1950 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1951 AC_SUBST(RSVG_CFLAGS)
1954 if test $HAVE_RSVG = yes; then
1955 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1956 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1957 LIBS="$RSVG_LIBS $LIBS"
1963 if test "${HAVE_X11}" = "yes"; then
1964 if test "${with_imagemagick}" != "no"; then
1965 ## 6.2.8 is the earliest version known to work, but earlier versions
1966 ## might work - let us know if you find one.
1967 ## 6.0.7 does not work. See bug#7955.
1968 ## 6.8.2 makes Emacs crash; see Bug#13867.
1969 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
1970 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1971 AC_SUBST(IMAGEMAGICK_CFLAGS)
1972 AC_SUBST(IMAGEMAGICK_LIBS)
1974 if test $HAVE_IMAGEMAGICK = yes; then
1975 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1976 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1977 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1978 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
1988 if test "${opsys}" != "mingw32"; then
1989 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1992 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1994 dnl Checks for libraries.
1995 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1996 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
1997 AC_MSG_ERROR($GTK_PKG_ERRORS)
1999 if test "$pkg_check_gtk" = "yes"; then
2000 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2001 GTK_OBJ=emacsgtkfixed.o
2002 term_header=gtkutil.h
2003 USE_GTK_TOOLKIT="GTK3"
2004 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2005 GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
2009 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2013 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2016 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2018 dnl Checks for libraries.
2019 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2020 if test "$pkg_check_gtk" = "no" &&
2021 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2023 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2025 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2029 if test x"$pkg_check_gtk" = xyes; then
2031 AC_SUBST(GTK_CFLAGS)
2033 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2034 CFLAGS="$CFLAGS $GTK_CFLAGS"
2035 LIBS="$GTK_LIBS $LIBS"
2036 dnl Try to compile a simple GTK program.
2038 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2039 if test "${GTK_COMPILES}" != "yes"; then
2040 if test "$USE_X_TOOLKIT" != "maybe"; then
2041 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2045 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2046 GTK_OBJ="gtkutil.o $GTK_OBJ"
2048 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2051 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2052 closing open displays. This is no problem if you just use
2053 one display, but if you use more than one and close one of them
2063 if test "${HAVE_GTK}" = "yes"; then
2065 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2066 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2067 if test "$with_toolkit_scroll_bars" != no; then
2068 with_toolkit_scroll_bars=yes
2071 dnl Check if we have the old file selection dialog declared and
2072 dnl in the link library. In 2.x it may be in the library,
2073 dnl but not declared if deprecated featured has been selected out.
2074 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2075 HAVE_GTK_FILE_SELECTION=no
2076 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2077 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2078 #include <gtk/gtk.h>])
2079 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2080 AC_CHECK_FUNCS(gtk_file_selection_new)
2083 dnl Same as above for gtk_handle_box.
2084 HAVE_GTK_HANDLE_BOX=no
2085 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2086 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2087 #include <gtk/gtk.h>])
2088 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2089 AC_CHECK_FUNCS(gtk_handle_box_new)
2092 dnl Same as above for gtk_tearoff_menu_item.
2093 HAVE_GTK_TEAROFF_MENU_ITEM=no
2094 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2095 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2096 #include <gtk/gtk.h>])
2097 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2098 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2101 dnl Check for functions introduced in 2.14 and later.
2102 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2103 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2104 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2105 gtk_orientable_set_orientation \
2106 gtk_window_set_has_resize_grip)
2108 term_header=gtkutil.h
2111 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2112 dnl other platforms.
2115 if test "${with_dbus}" = "yes"; then
2116 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2117 if test "$HAVE_DBUS" = yes; then
2118 LIBS="$LIBS $DBUS_LIBS"
2119 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2120 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2121 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2123 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2124 dbus_type_is_valid \
2125 dbus_validate_bus_name \
2126 dbus_validate_path \
2127 dbus_validate_interface \
2128 dbus_validate_member)
2134 dnl GSettings has been tested under GNU/Linux only.
2136 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2137 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2138 if test "$HAVE_GSETTINGS" = "yes"; then
2139 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2140 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2141 SETTINGS_LIBS="$GSETTINGS_LIBS"
2145 dnl GConf has been tested under GNU/Linux only.
2146 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2148 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2149 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2150 if test "$HAVE_GCONF" = yes; then
2151 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2152 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2153 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2154 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2158 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2159 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2160 if test "$HAVE_GOBJECT" = "yes"; then
2161 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2162 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2164 SAVE_CFLAGS="$CFLAGS"
2166 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2167 LIBS="$SETTINGS_LIBS $LIBS"
2168 AC_CHECK_FUNCS([g_type_init])
2169 CFLAGS="$SAVE_CFLAGS"
2172 AC_SUBST(SETTINGS_CFLAGS)
2173 AC_SUBST(SETTINGS_LIBS)
2176 dnl SELinux is available for GNU/Linux only.
2179 if test "${with_selinux}" = "yes"; then
2180 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2181 if test "$HAVE_LIBSELINUX" = yes; then
2182 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2183 LIBSELINUX_LIBS=-lselinux
2186 AC_SUBST(LIBSELINUX_LIBS)
2189 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2190 if test "${with_gnutls}" = "yes" ; then
2191 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2192 if test "${HAVE_GNUTLS}" = "yes"; then
2193 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2198 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2199 LIBS="$LIBGNUTLS_LIBS $LIBS"
2200 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2202 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2203 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2206 # Windows loads GnuTLS dynamically
2207 if test "${opsys}" = "mingw32"; then
2214 AC_SUBST(LIBGNUTLS_LIBS)
2215 AC_SUBST(LIBGNUTLS_CFLAGS)
2217 dnl inotify is only available on GNU/Linux.
2218 if test "${with_inotify}" = "yes"; then
2219 AC_CHECK_HEADERS(sys/inotify.h)
2220 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2221 AC_CHECK_FUNC(inotify_init1)
2224 if test "$ac_cv_func_inotify_init1" = yes; then
2225 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2228 dnl POSIX ACL support: provided by libacl on GNU/Linux, by libc on FreeBSD.
2231 if test "${with_acl}" = "yes"; then
2232 AC_CHECK_LIB([acl], [acl_set_file], HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2233 if test "$HAVE_POSIX_ACL" = yes; then
2234 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2237 AC_CHECK_FUNC(acl_set_file, HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
2238 if test "$HAVE_POSIX_ACL" = yes; then
2239 AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
2243 AC_SUBST(LIBACL_LIBS)
2245 dnl Do not put whitespace before the #include statements below.
2246 dnl Older compilers (eg sunos4 cc) choke on it.
2249 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2250 if test "$with_xaw3d" != no; then
2251 AC_CACHE_VAL(emacs_cv_xaw3d,
2252 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2253 #include <X11/Intrinsic.h>
2254 #include <X11/Xaw3d/Simple.h>]],
2256 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2257 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2258 emacs_cv_xaw3d=no)])
2262 if test $emacs_cv_xaw3d = yes; then
2263 AC_MSG_CHECKING(for xaw3d)
2264 AC_MSG_RESULT([yes; using Lucid toolkit])
2268 AC_DEFINE(HAVE_XAW3D, 1,
2269 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2271 AC_MSG_CHECKING(for xaw3d)
2273 AC_MSG_CHECKING(for libXaw)
2274 AC_CACHE_VAL(emacs_cv_xaw,
2275 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2276 #include <X11/Intrinsic.h>
2277 #include <X11/Xaw/Simple.h>]],
2281 if test $emacs_cv_xaw = yes; then
2282 AC_MSG_RESULT([yes; using Lucid toolkit])
2285 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2286 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2288 AC_MSG_ERROR([No X toolkit could be found.
2289 If you are sure you want Emacs compiled without an X toolkit, pass
2291 to configure. Otherwise, install the development libraries for the toolkit
2292 that you want to use (e.g. Gtk+) and re-run configure.])
2297 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2300 if test "${USE_X_TOOLKIT}" != "none"; then
2301 AC_MSG_CHECKING(X11 toolkit version)
2302 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2303 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2304 [[#if XtSpecificationRelease < 6
2307 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2308 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2309 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2310 AC_MSG_RESULT(6 or newer)
2311 AC_DEFINE(HAVE_X11XTR6, 1,
2312 [Define to 1 if you have the X11R6 or newer version of Xt.])
2313 LIBXTR6="-lSM -lICE"
2315 ## Use libw.a along with X11R6 Xt.
2316 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2319 AC_MSG_RESULT(before 6)
2322 dnl If using toolkit, check whether libXmu.a exists.
2323 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2325 if test x$HAVE_X11XTR6 = xyes; then
2326 LIBS="-lXt -lSM -lICE $LIBS"
2330 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2331 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2332 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2336 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2337 dnl Why not just test for libxmu in the normal way?
2340 ## These systems don't supply Xmu.
2342 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2350 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2351 if test "${HAVE_X11}" = "yes"; then
2352 if test "${USE_X_TOOLKIT}" != "none"; then
2353 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2358 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2359 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2360 if test -d /usr/include/openmotif; then
2361 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2362 emacs_cv_openmotif=yes
2363 case "$canonical" in
2364 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2365 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2368 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2371 emacs_cv_openmotif=no
2373 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2374 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2375 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2378 Motif version prior to 2.1.
2380 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2381 if test $emacs_cv_motif_version_2_1 = yes; then
2382 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2383 if test x$emacs_cv_openmotif = xyes; then
2384 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2387 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2388 # We put this in CFLAGS temporarily to precede other -I options
2389 # that might be in CFLAGS temporarily.
2390 # We put this in CPPFLAGS where it precedes the other -I options.
2391 OLD_CPPFLAGS=$CPPFLAGS
2393 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2394 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2395 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2397 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2398 if test $emacs_cv_lesstif = yes; then
2399 # Make sure this -I option remains in CPPFLAGS after it is set
2400 # back to REAL_CPPFLAGS.
2401 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2402 # have those other -I options anyway. Ultimately, having this
2403 # directory ultimately in CPPFLAGS will be enough.
2404 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2405 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2408 CPPFLAGS=$OLD_CPPFLAGS
2411 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2412 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2415 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2416 dnl using Motif or Xaw3d is available, and unless
2417 dnl --with-toolkit-scroll-bars=no was specified.
2419 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2420 [Define to 1 if we should use toolkit scroll bars.])dnl
2421 USE_TOOLKIT_SCROLL_BARS=no
2422 if test "${with_toolkit_scroll_bars}" != "no"; then
2423 if test "${USE_X_TOOLKIT}" != "none"; then
2424 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2425 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2427 USE_TOOLKIT_SCROLL_BARS=yes
2428 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2429 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2430 USE_TOOLKIT_SCROLL_BARS=yes
2432 elif test "${HAVE_GTK}" = "yes"; then
2433 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2434 USE_TOOLKIT_SCROLL_BARS=yes
2435 elif test "${HAVE_NS}" = "yes"; then
2436 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2437 USE_TOOLKIT_SCROLL_BARS=yes
2438 elif test "${HAVE_W32}" = "yes"; then
2439 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2440 USE_TOOLKIT_SCROLL_BARS=yes
2444 dnl See if XIM is available.
2445 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2446 #include <X11/Xlib.h>
2447 #include <X11/Xresource.h>]],
2448 [[XIMProc callback;]])],
2450 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2453 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2455 if test "${with_xim}" != "no"; then
2456 AC_DEFINE(USE_XIM, 1,
2457 [Define to 1 if we should use XIM, if it is available.])
2461 if test "${HAVE_XIM}" != "no"; then
2463 if test "$GCC" = yes; then
2464 CFLAGS="$CFLAGS --pedantic-errors"
2466 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2467 #include <X11/Xlib.h>
2468 #include <X11/Xresource.h>]],
2474 XPointer *client_data;
2476 /* If we're not using GCC, it's probably not XFree86, and this is
2477 probably right, but we can't use something like --pedantic-errors. */
2478 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2479 char*, XIMProc, XPointer*);
2481 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2483 [emacs_cv_arg6_star=yes])
2484 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2485 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2486 either XPointer or XPointer*.])dnl
2487 if test "$emacs_cv_arg6_star" = yes; then
2488 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2490 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2495 ### Start of font-backend (under any platform) section.
2496 # (nothing here yet -- this is a placeholder)
2497 ### End of font-backend (under any platform) section.
2499 ### Start of font-backend (under X11) section.
2500 if test "${HAVE_X11}" = "yes"; then
2501 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2503 ## Use -lXft if available, unless `--with-xft=no'.
2505 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2508 if test "x${with_xft}" != "xno"; then
2510 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2511 ## Because xftfont.c uses XRenderQueryExtension, we also
2512 ## need to link to -lXrender.
2514 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2515 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2516 OLD_CPPFLAGS="$CPPFLAGS"
2517 OLD_CFLAGS="$CFLAGS"
2519 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2520 CFLAGS="$CFLAGS $XFT_CFLAGS"
2521 XFT_LIBS="-lXrender $XFT_LIBS"
2522 LIBS="$XFT_LIBS $LIBS"
2523 AC_CHECK_HEADER(X11/Xft/Xft.h,
2524 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2526 if test "${HAVE_XFT}" = "yes"; then
2527 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2529 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2531 CPPFLAGS="$OLD_CPPFLAGS"
2532 CFLAGS="$OLD_CFLAGS"
2534 fi # "${HAVE_XFT}" = "yes"
2535 fi # "$HAVE_XFT" != no
2536 fi # "x${with_xft}" != "xno"
2538 ## We used to allow building with FreeType and without Xft.
2539 ## However, the ftx font backend driver is not in good shape.
2540 if test "$HAVE_XFT" != "yes"; then
2541 dnl For the "Does Emacs use" message at the end.
2545 dnl Strict linkers fail with
2546 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2547 dnl if -lfreetype is not specified.
2548 dnl The following is needed to set FREETYPE_LIBS.
2549 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2552 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2556 if test "${HAVE_FREETYPE}" = "yes"; then
2557 AC_DEFINE(HAVE_FREETYPE, 1,
2558 [Define to 1 if using the freetype and fontconfig libraries.])
2559 if test "${with_libotf}" != "no"; then
2560 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2562 if test "$HAVE_LIBOTF" = "yes"; then
2563 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2564 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2565 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2566 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2567 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2568 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2569 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2573 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2574 dnl Does the new font backend require it, or can it work without it?
2578 if test "${HAVE_LIBOTF}" = yes; then
2579 if test "${with_m17n_flt}" != "no"; then
2580 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2581 if test "$HAVE_M17N_FLT" = "yes"; then
2582 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2593 ### End of font-backend (under X11) section.
2595 AC_SUBST(FREETYPE_CFLAGS)
2596 AC_SUBST(FREETYPE_LIBS)
2597 AC_SUBST(FONTCONFIG_CFLAGS)
2598 AC_SUBST(FONTCONFIG_LIBS)
2599 AC_SUBST(LIBOTF_CFLAGS)
2600 AC_SUBST(LIBOTF_LIBS)
2601 AC_SUBST(M17N_FLT_CFLAGS)
2602 AC_SUBST(M17N_FLT_LIBS)
2604 ### Use -lXpm if available, unless `--with-xpm=no'.
2605 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2608 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2609 if test "${with_xpm}" != "no"; then
2610 SAVE_CPPFLAGS="$CPPFLAGS"
2611 SAVE_LDFLAGS="$LDFLAGS"
2612 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2613 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2614 AC_CHECK_HEADER(X11/xpm.h,
2615 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2616 if test "${HAVE_XPM}" = "yes"; then
2617 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2618 AC_EGREP_CPP(no_return_alloc_pixels,
2619 [#include "X11/xpm.h"
2620 #ifndef XpmReturnAllocPixels
2621 no_return_alloc_pixels
2623 ], HAVE_XPM=no, HAVE_XPM=yes)
2625 if test "${HAVE_XPM}" = "yes"; then
2626 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2630 CPPFLAGS="$SAVE_CPPFLAGS"
2631 LDFLAGS="$SAVE_LDFLAGS"
2636 if test "${HAVE_XPM}" = "yes"; then
2637 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2642 if test "${HAVE_X11}" = "yes"; then
2643 if test "${with_xpm}" != "no"; then
2644 AC_CHECK_HEADER(X11/xpm.h,
2645 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2646 if test "${HAVE_XPM}" = "yes"; then
2647 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2648 AC_EGREP_CPP(no_return_alloc_pixels,
2649 [#include "X11/xpm.h"
2650 #ifndef XpmReturnAllocPixels
2651 no_return_alloc_pixels
2653 ], HAVE_XPM=no, HAVE_XPM=yes)
2655 if test "${HAVE_XPM}" = "yes"; then
2663 if test "${HAVE_XPM}" = "yes"; then
2664 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2669 if test "${opsys}" = "mingw32"; then
2670 if test "${with_xpm}" != "no"; then
2671 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2675 if test "${HAVE_XPM}" = "yes"; then
2676 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2682 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2683 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2686 if test "${opsys}" = "mingw32"; then
2687 if test "${with_jpeg}" != "no"; then
2688 dnl Checking for jpeglib.h can lose because of a redefinition of
2690 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2692 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2693 if test "${HAVE_JPEG}" = "yes"; then
2694 AC_DEFINE(HAVE_JPEG)
2695 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2696 [#include <jpeglib.h>
2697 version=JPEG_LIB_VERSION
2699 [AC_DEFINE(HAVE_JPEG)],
2700 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2703 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2704 if test "${with_jpeg}" != "no"; then
2705 dnl Checking for jpeglib.h can lose because of a redefinition of
2707 AC_CHECK_HEADER(jerror.h,
2708 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2711 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2712 if test "${HAVE_JPEG}" = "yes"; then
2713 AC_DEFINE(HAVE_JPEG)
2714 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2715 [#include <jpeglib.h>
2716 version=JPEG_LIB_VERSION
2718 [AC_DEFINE(HAVE_JPEG)],
2719 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2722 if test "${HAVE_JPEG}" = "yes"; then
2728 ### Use -lpng if available, unless `--with-png=no'.
2729 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2732 if test "${opsys}" = "mingw32"; then
2733 if test "${with_png}" != "no"; then
2734 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2736 if test "${HAVE_PNG}" = "yes"; then
2737 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2739 AC_CHECK_DECL(png_longjmp,
2741 [AC_DEFINE(PNG_DEPSTRUCT, [],
2742 [Define to empty to suppress deprecation warnings when building
2743 with --enable-gcc-warnings and with libpng versions before 1.5,
2744 which lack png_longjmp.])],
2745 [[#ifdef HAVE_LIBPNG_PNG_H
2746 # include <libpng/png.h>
2752 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2753 if test "${with_png}" != "no"; then
2754 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2755 # in /usr/include/libpng.
2756 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2757 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2758 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2762 if test "${HAVE_PNG}" = "yes"; then
2763 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2764 LIBPNG="-lpng -lz -lm"
2766 AC_CHECK_DECL(png_longjmp,
2768 [AC_DEFINE(PNG_DEPSTRUCT, [],
2769 [Define to empty to suppress deprecation warnings when building
2770 with --enable-gcc-warnings and with libpng versions before 1.5,
2771 which lack png_longjmp.])],
2772 [[#ifdef HAVE_LIBPNG_PNG_H
2773 # include <libpng/png.h>
2782 ### Use -ltiff if available, unless `--with-tiff=no'.
2783 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
2786 if test "${opsys}" = "mingw32"; then
2787 if test "${with_tiff}" != "no"; then
2788 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
2790 if test "${HAVE_TIFF}" = "yes"; then
2791 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2793 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2794 if test "${with_tiff}" != "no"; then
2795 AC_CHECK_HEADER(tiffio.h,
2797 # At least one tiff package requires the jpeg library.
2798 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2799 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2802 if test "${HAVE_TIFF}" = "yes"; then
2803 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2804 dnl FIXME -lz -lm, as per libpng?
2810 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2811 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
2814 if test "${opsys}" = "mingw32"; then
2815 if test "${with_gif}" != "no"; then
2816 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
2818 if test "${HAVE_GIF}" = "yes"; then
2819 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2821 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
2822 || test "${HAVE_W32}" = "yes"; then
2823 AC_CHECK_HEADER(gif_lib.h,
2824 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2825 # Earlier versions can crash Emacs.
2826 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2828 if test "$HAVE_GIF" = yes; then
2830 elif test "$HAVE_GIF" = maybe; then
2831 # If gif_lib.h but no libgif, try libungif.
2832 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2833 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2836 if test "${HAVE_GIF}" = "yes"; then
2837 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2842 dnl Check for required libraries.
2843 if test "${HAVE_X11}" = "yes"; then
2846 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2847 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2848 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2849 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2850 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2851 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2852 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2853 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2854 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2855 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2857 if test "X${MISSING}" != X; then
2858 AC_MSG_ERROR([The following required libraries were not found:
2860 Maybe some development libraries/packages are missing?
2861 If you don't want to link with them give
2863 as options to configure])
2867 ### Use -lgpm if available, unless `--with-gpm=no'.
2870 if test "${with_gpm}" != "no"; then
2871 AC_CHECK_HEADER(gpm.h,
2872 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2874 if test "${HAVE_GPM}" = "yes"; then
2875 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2881 dnl Check for malloc/malloc.h on darwin
2882 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2885 ### Use NeXTstep API to implement GUI.
2886 if test "${HAVE_NS}" = "yes"; then
2887 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2888 if test "${NS_IMPL_COCOA}" = "yes"; then
2889 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2891 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2892 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2893 # See also .m.o rule in Makefile.in */
2894 # FIXME: are all these flags really needed? Document here why. */
2895 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2896 ## Extra CFLAGS applied to src/*.m files.
2897 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"
2899 # We also have mouse menus.
2904 if test "${HAVE_W32}" = "yes"; then
2908 ### Use session management (-lSM -lICE) if available
2911 if test "${HAVE_X11}" = "yes"; then
2912 AC_CHECK_HEADER(X11/SM/SMlib.h,
2913 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2915 if test "${HAVE_X_SM}" = "yes"; then
2916 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2920 *) LIBS="$LIBXSM $LIBS" ;;
2926 ### Use libxml (-lxml2) if available
2927 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
2929 if test "${with_xml2}" != "no"; then
2930 ### I'm not sure what the version number should be, so I just guessed.
2931 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2932 if test "${HAVE_LIBXML2}" = "yes"; then
2933 if test "${opsys}" != "mingw32"; then
2934 LIBS="$LIBXML2_LIBS $LIBS"
2935 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2939 if test "${HAVE_LIBXML2}" = "yes"; then
2940 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2947 AC_SUBST(LIBXML2_LIBS)
2948 AC_SUBST(LIBXML2_CFLAGS)
2950 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2951 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
2952 if test "${opsys}" = "mingw32"; then
2953 emacs_cv_netdb_declares_h_errno=yes
2955 AC_CACHE_CHECK(whether netdb declares h_errno,
2956 emacs_cv_netdb_declares_h_errno,
2957 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2958 [[return h_errno;]])],
2959 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2960 if test $emacs_cv_netdb_declares_h_errno = yes; then
2961 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2964 # sqrt and other floating-point functions such as fmod and frexp
2965 # are found in -lm on most systems, but mingw32 doesn't use -lm.
2966 if test "${opsys}" != "mingw32"; then
2967 AC_CHECK_LIB(m, sqrt)
2970 # Check for mail-locking functions in a "mail" library. Probably this should
2971 # have the same check as for liblockfile below.
2972 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2973 if test $have_mail = yes; then
2975 LIBS="$LIBS_MAIL $LIBS"
2976 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2980 dnl Debian, at least:
2981 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2982 if test $have_lockfile = yes; then
2983 LIBS_MAIL=-llockfile
2984 LIBS="$LIBS_MAIL $LIBS"
2985 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2987 # If we have the shared liblockfile, assume we must use it for mail
2988 # locking (e.g. Debian). If we couldn't link against liblockfile
2989 # (no liblockfile.a installed), ensure that we don't need to.
2990 dnl This works for files generally, not just executables.
2991 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2992 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2993 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2994 if test $ac_cv_prog_liblockfile = yes; then
2995 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2996 This probably means that movemail could lose mail.
2997 There may be a `development' package to install containing liblockfile.])
3000 AC_CHECK_HEADERS_ONCE(maillock.h)
3003 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3004 ## interlock access to the mail spool. The alternative is a lock file named
3005 ## /usr/spool/mail/$USER.lock.
3008 aix4-2) mail_lock="lockf" ;;
3010 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3012 ## On GNU/Linux systems, both methods are used by various mail programs.
3013 ## I assume most people are using newer mailers that have heard of flock.
3014 ## Change this if you need to.
3015 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3016 ## configure gets the right answers, and that means *NOT* using flock.
3017 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3018 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3019 ## Debian maintainer hasn't provided a clean fix for Emacs.
3020 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3021 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3022 ## correct logic. -- fx
3023 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3024 ## liblockfile is a Free Software replacement for libmail, used on
3025 ## Debian systems and elsewhere. -rfr.
3028 if test $have_mail = yes || test $have_lockfile = yes; then
3029 test $ac_cv_header_maillock_h = yes && mail_lock=no
3035 case "$mail_lock" in
3036 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3038 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3040 *) BLESSMAIL_TARGET="need-blessmail" ;;
3042 AC_SUBST(BLESSMAIL_TARGET)
3045 AC_CHECK_FUNCS(gethostname \
3046 getrusage get_current_dir_name \
3048 select getpagesize setlocale \
3049 utimes getrlimit setrlimit shutdown getaddrinfo \
3050 strsignal setitimer \
3051 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3052 gai_strerror mkstemp getline getdelim sync \
3053 difftime posix_memalign \
3054 getpwent endpwent getgrent endgrent \
3056 cfmakeraw cfsetspeed copysign __executable_start)
3058 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3059 ## has a broken `rint' in some library versions including math library
3060 ## version number A.09.05.
3061 ## You can fix the math library by installing patch number PHSS_4630.
3062 ## But we can fix it more reliably for Emacs by just not using rint.
3063 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3066 *) AC_CHECK_FUNCS(random rint) ;;
3069 dnl Cannot use AC_CHECK_FUNCS
3070 AC_CACHE_CHECK([for __builtin_unwind_init],
3071 emacs_cv_func___builtin_unwind_init,
3072 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3073 emacs_cv_func___builtin_unwind_init=yes,
3074 emacs_cv_func___builtin_unwind_init=no)])
3075 if test $emacs_cv_func___builtin_unwind_init = yes; then
3076 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3077 [Define to 1 if you have the `__builtin_unwind_init' function.])
3080 AC_CHECK_HEADERS_ONCE(sys/un.h)
3085 AC_CHECK_FUNCS(grantpt)
3087 # PTY-related GNU extensions.
3088 AC_CHECK_FUNCS(getpt posix_openpt)
3090 # Check this now, so that we will NOT find the above functions in ncurses.
3091 # That is because we have not set up to link ncurses in lib-src.
3092 # It's better to believe a function is not available
3093 # than to expect to find it in ncurses.
3094 # Also we need tputs and friends to be able to build at all.
3095 AC_MSG_CHECKING([for library containing tputs])
3096 # Run a test program that contains a call to tputs, a call that is
3097 # never executed. This tests whether a pre-'main' dynamic linker
3098 # works with the library. It's too much trouble to actually call
3099 # tputs in the test program, due to portability hassles. When
3100 # cross-compiling, assume the test program will run if it links.
3101 AC_DEFUN([tputs_link_source], [
3103 [[extern void tputs (const char *, int, int (*)(int));
3104 int main (int argc, char **argv)
3107 tputs (argv[0], 0, 0);
3111 if test "${opsys}" = "mingw32"; then
3114 # Maybe curses should be tried earlier?
3115 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3116 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3118 if test -z "$tputs_library"; then
3122 LIBS_TERMCAP=-l$tputs_library
3124 LIBS="$LIBS_TERMCAP $LIBS"
3126 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3127 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3129 if test "X$msg" != Xno; then
3134 AC_MSG_RESULT([$msg])
3135 if test "X$msg" = Xno; then
3136 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3137 The following libraries were tried (in order):
3138 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3139 Please try installing whichever of these libraries is most appropriate
3140 for your system, together with its header files.
3141 For example, a libncurses-dev(el) or similar package.])
3144 ## Use termcap instead of terminfo?
3145 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3147 ## FIXME? In the cases below where we unconditionally set
3148 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3149 ## if that was found above to have tputs.
3150 ## Should we use the gnu* logic everywhere?
3152 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3153 ## The ncurses library has been moved out of the System framework in
3154 ## Mac OS X 10.2. So if configure detects it, set the command-line
3155 ## option to use it.
3156 darwin) LIBS_TERMCAP="-lncurses" ;;
3158 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3161 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3162 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3163 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3164 [[#if __FreeBSD_version < 400000
3167 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3169 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3171 if test $emacs_cv_freebsd_terminfo = yes; then
3172 LIBS_TERMCAP="-lncurses"
3175 LIBS_TERMCAP="-ltermcap"
3185 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3187 LIBS_TERMCAP="-ltermcap"
3191 openbsd) LIBS_TERMCAP="-lncurses" ;;
3193 ## hpux: Make sure we get select from libc rather than from libcurses
3194 ## because libcurses on HPUX 10.10 has a broken version of select.
3195 ## We used to use -lc -lcurses, but this may be cleaner.
3196 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3197 # set that way, now it uses the default). Isn't this a contradiction?
3198 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3202 TERMCAP_OBJ=tparam.o
3203 if test $TERMINFO = yes; then
3204 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3205 TERMCAP_OBJ=terminfo.o
3207 AC_SUBST(LIBS_TERMCAP)
3208 AC_SUBST(TERMCAP_OBJ)
3211 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3212 # On Darwin, res_init appears not to be useful: see bug#562 and
3213 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3216 if test $opsys != darwin; then
3218 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3219 #include <arpa/nameser.h>
3220 #include <resolv.h>]],
3221 [[return res_init();]])],
3222 have_res_init=yes, have_res_init=no)
3223 if test "$have_res_init" = no; then
3225 LIBS="$LIBS -lresolv"
3226 AC_MSG_CHECKING(for res_init with -lresolv)
3227 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3228 #include <arpa/nameser.h>
3229 #include <resolv.h>]],
3230 [[return res_init();]])],
3231 have_res_init=yes, have_res_init=no)
3232 AC_MSG_RESULT($have_res_init)
3233 if test "$have_res_init" = yes ; then
3239 if test "$have_res_init" = yes; then
3240 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3244 # Do we need the Hesiod library to provide the support routines?
3245 dnl FIXME? Should we be skipping this on Darwin too?
3247 if test "$with_hesiod" != no ; then
3248 # Don't set $LIBS here -- see comments above. FIXME which comments?
3249 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3250 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3251 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3252 if test "$resolv" = yes ; then
3257 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3258 hesiod=yes, :, $RESOLVLIB)])
3260 if test x"$hesiod" = xyes; then
3261 AC_DEFINE(HAVE_LIBHESIOD, 1,
3262 [Define to 1 if you have the hesiod library (-lhesiod).])
3268 # Do we need libresolv (due to res_init or Hesiod)?
3269 if test "$resolv" = yes && test $opsys != darwin; then
3270 AC_DEFINE(HAVE_LIBRESOLV, 1,
3271 [Define to 1 if you have the resolv library (-lresolv).])
3278 # These tell us which Kerberos-related libraries to use.
3285 if test "${with_kerberos}" != no; then
3286 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3287 if test $have_com_err = yes; then
3288 COM_ERRLIB=-lcom_err
3289 LIBS="$COM_ERRLIB $LIBS"
3290 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3292 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3293 if test $have_crypto = yes; then
3295 LIBS="$CRYPTOLIB $LIBS"
3296 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3298 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3299 if test $have_k5crypto = yes; then
3300 CRYPTOLIB=-lk5crypto
3301 LIBS="$CRYPTOLIB $LIBS"
3302 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3304 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3305 if test $have_krb5=yes; then
3307 LIBS="$KRB5LIB $LIBS"
3308 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3310 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3311 if test "${with_kerberos5}" = no; then
3312 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3313 if test $have_des425 = yes; then
3315 LIBS="$DESLIB $LIBS"
3316 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3318 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3319 if test $have_des = yes; then
3321 LIBS="$DESLIB $LIBS"
3322 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3325 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3326 if test $have_krb4 = yes; then
3328 LIBS="$KRB4LIB $LIBS"
3329 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3331 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3332 if test $have_krb = yes; then
3334 LIBS="$KRB4LIB $LIBS"
3335 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3340 if test "${with_kerberos5}" != no; then
3341 AC_CHECK_HEADERS(krb5.h,
3342 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3343 [#include <krb5.h>])])
3345 AC_CHECK_HEADERS(des.h,,
3346 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3347 [AC_CHECK_HEADERS(kerberos/des.h)])])
3348 AC_CHECK_HEADERS(krb.h,,
3349 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3350 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3352 AC_CHECK_HEADERS(com_err.h)
3355 AC_SUBST(COM_ERRLIB)
3361 AC_CHECK_FUNCS_ONCE(tzset)
3362 AC_MSG_CHECKING(whether localtime caches TZ)
3363 AC_CACHE_VAL(emacs_cv_localtime_cache,
3364 [if test x$ac_cv_func_tzset = xyes; then
3365 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3366 char TZ_GMT0[] = "TZ=GMT0";
3367 char TZ_PST8[] = "TZ=PST8";
3370 time_t now = time ((time_t *) 0);
3371 int hour_GMT0, hour_unset;
3372 if (putenv (TZ_GMT0) != 0)
3374 hour_GMT0 = localtime (&now)->tm_hour;
3376 hour_unset = localtime (&now)->tm_hour;
3377 if (putenv (TZ_PST8) != 0)
3379 if (localtime (&now)->tm_hour == hour_GMT0)
3382 if (localtime (&now)->tm_hour != hour_unset)
3385 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3386 [# If we have tzset, assume the worst when cross-compiling.
3387 emacs_cv_localtime_cache=yes])
3389 # If we lack tzset, report that localtime does not cache TZ,
3390 # since we can't invalidate the cache if we don't have tzset.
3391 emacs_cv_localtime_cache=no
3393 AC_MSG_RESULT($emacs_cv_localtime_cache)
3394 if test $emacs_cv_localtime_cache = yes; then
3395 AC_DEFINE(LOCALTIME_CACHE, 1,
3396 [Define to 1 if localtime caches TZ.])
3400 AC_CHECK_FUNC(socket, , ok_so_far=no)
3401 if test $ok_so_far = yes; then
3402 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3404 if test $ok_so_far = yes; then
3405 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3407 if test $ok_so_far = yes; then
3408 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3409 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3410 [Define to 1 if you have inet sockets.])
3413 if test -f /usr/lpp/X11/bin/smt.exp; then
3414 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3415 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3418 AC_MSG_CHECKING(whether system supports dynamic ptys)
3419 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3421 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3426 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3427 dnl This can be removed once we assume Autoconf 2.70.
3429 *-solaris2.4 | *-solaris2.4.*)
3430 dnl Disable the Autoconf-generated vfork test.
3431 : ${ac_cv_func_vfork_works=no};;
3436 AC_CHECK_FUNCS(snprintf)
3438 dnl Adapted from Haible's version.
3439 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3440 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3441 [[char* cs = nl_langinfo(CODESET);]])],
3442 emacs_cv_langinfo_codeset=yes,
3443 emacs_cv_langinfo_codeset=no)
3445 if test $emacs_cv_langinfo_codeset = yes; then
3446 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3447 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3452 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3453 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3454 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3455 if test "$emacs_cv_c_restrict_arr" = yes; then
3456 AC_DEFINE(__restrict_arr, __restrict,
3457 [Define to compiler's equivalent of C99 restrict keyword in array
3458 declarations. Define as empty for no equivalent.])
3461 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3462 dnl how the tty code is related to POSIX and/or other versions of termios.
3463 dnl The following looks like a useful start.
3465 dnl AC_SYS_POSIX_TERMIOS
3466 dnl if test $ac_cv_sys_posix_termios = yes; then
3467 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3468 dnl and macros for terminal control.])
3469 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3472 dnl Turned on June 1996 supposing nobody will mind it.
3473 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3474 if test "${opsys}" != "mingw32"; then
3475 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3476 in the full name stands for the login id.])
3479 dnl Every platform that uses configure supports this.
3480 dnl There is a create-lockfiles option you can
3481 dnl customize if you do not want the lock files to be written.
3482 dnl So it is not clear that this #define still needs to exist.
3483 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3484 so that Emacs can tell instantly when you try to modify a file that
3485 someone else has modified in his/her Emacs.])
3487 dnl Everybody supports this, except MS.
3488 dnl Seems like the kind of thing we should be testing for, though.
3489 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3490 if test "${opsys}" != "mingw32"; then
3491 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3494 dnl Everybody supports this, except MS-DOS.
3495 dnl Seems like the kind of thing we should be testing for, though.
3496 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3497 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3498 4.2-compatible sockets.])
3500 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3502 if test "${opsys}" = "mingw32"; then
3503 AC_DEFINE(NULL_DEVICE, ["NUL:"], [Name of the file to open to get
3504 a null file, or a data sink.])
3506 AC_DEFINE(NULL_DEVICE, ["/dev/null"], [Name of the file to open to get
3507 a null file, or a data sink.])
3510 if test "${opsys}" = "mingw32"; then
3511 AC_DEFINE(SEPCHAR, [';'], [Character that separates PATH elements.])
3513 AC_DEFINE(SEPCHAR, [':'], [Character that separates PATH elements.])
3516 dnl Everybody supports this, except MS-DOS.
3517 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3519 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3522 AC_DEFINE(DIRECTORY_SEP, ['/'],
3523 [Character that separates directories in a file name.])
3525 if test "${opsys}" = "mingw32"; then
3526 dnl Only used on MS platforms.
3527 AC_DEFINE(DEVICE_SEP, ':', [Character that separates a device in a file name.])
3528 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == DEVICE_SEP)],
3529 [Returns true if character is a device separator.])
3531 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3532 [Returns true if character is a directory separator.])
3534 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3535 [Returns true if character is any form of separator.])
3537 AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.])
3539 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3540 [Returns true if character is a device separator.])
3542 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3543 [Returns true if character is a directory separator.])
3545 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3546 [Returns true if character is any form of separator.])
3549 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3553 dnl Unfortunately without libXmu we cannot support EditRes.
3554 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3555 AC_DEFINE(NO_EDITRES, 1)
3560 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3561 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3562 AC_DEFINE(NO_EDITRES, 1)
3568 irix6-5 | sol2* | unixware )
3569 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3570 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3571 dnl need the constant to dimension an array. So wire in the appropriate
3573 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3577 emacs_broken_SIGIO=no
3580 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3581 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3582 hpux* | irix6-5 | openbsd | sol2* | unixware )
3583 emacs_broken_SIGIO=yes
3587 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3588 dnl the way this system works, libc functions that return malloced
3589 dnl memory use the libc malloc implementation. Calling xfree or
3590 dnl xrealloc on the results of such functions results in a crash.
3592 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3593 dnl but that does not currently work on this system.
3595 dnl It is possible to completely override the malloc implementation on
3596 dnl AIX, but that involves putting the malloc functions in a shared
3597 dnl library and setting the MALLOCTYPE environment variable to point to
3598 dnl that shared library.
3600 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3601 dnl to avoid a crash just use the Emacs implementation for that function.
3603 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3604 dnl of this file, so that we do not check for get_current_dir_name
3605 dnl on AIX. But that might be fragile if something else ends
3606 dnl up testing for get_current_dir_name as a dependency.
3607 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3608 get_current_dir_name should not be used.])
3612 dnl Circumvent a bug in FreeBSD. In the following sequence of
3613 dnl writes/reads on a PTY, read(2) returns bogus data:
3615 dnl write(2) 1022 bytes
3616 dnl write(2) 954 bytes, get EAGAIN
3617 dnl read(2) 1024 bytes in process_read_output
3618 dnl read(2) 11 bytes in process_read_output
3620 dnl That is, read(2) returns more bytes than have ever been written
3621 dnl successfully. The 1033 bytes read are the 1022 bytes written
3622 dnl successfully after processing (for example with CRs added if the
3623 dnl terminal is set up that way which it is here). The same bytes will
3624 dnl be seen again in a later read(2), without the CRs.
3625 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3626 work around an issue when reading from a PTY.])
3632 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3633 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3638 darwin | freebsd | netbsd | openbsd )
3639 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3640 close a pty to make it a controlling terminal (it is already a
3641 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3645 dnl FIXME Surely we can test for this rather than hard-code it.
3647 netbsd | openbsd) sound_device="/dev/audio" ;;
3648 *) sound_device="/dev/dsp" ;;
3652 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3653 [Name of the default sound device.])
3656 dnl Emacs can read input using SIGIO and buffering characters itself,
3657 dnl or using CBREAK mode and making C-g cause SIGINT.
3658 dnl The choice is controlled by the variable interrupt_input.
3660 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3662 dnl Emacs uses the presence of the USABLE_SIGIO macro
3663 dnl to indicate whether or not signal-driven I/O is possible. It uses
3664 dnl INTERRUPT_INPUT to decide whether to use it by default.
3666 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3667 dnl CBREAK mode has two disadvantages
3668 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3669 dnl I hear that in system V this problem does not exist.
3670 dnl 2) Control-G causes output to be discarded.
3671 dnl I do not know whether this can be fixed in system V.
3673 dnl Another method of doing input is planned but not implemented.
3674 dnl It would have Emacs fork off a separate process
3675 dnl to read the input and send it to the true Emacs process
3678 darwin | gnu-linux | gnu-kfreebsd )
3679 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3684 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3685 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3686 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3687 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3688 dnl taking float or double parameters.
3690 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3691 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3692 file defines `NeedWidePrototypes' as `NO'.])
3697 dnl Used in process.c, this must be a loop, even if it only runs once.
3698 dnl (Except on SGI; see below. Take that, clarity and consistency!)
3699 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
3700 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
3701 dnl trying suffixes 0-16.
3702 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
3703 first PTY, if PTYs are supported.])
3704 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
3705 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
3706 end of a PTY, if non-standard.])
3707 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
3708 end of a PTY, if non-standard.])
3712 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
3713 dnl You allocate a pty by opening /dev/ptc to get the master side.
3714 dnl To get the name of the slave side, you just ttyname() the master side.
3715 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
3716 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
3720 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3721 dnl multi-line AC_DEFINEs are hard. :(
3722 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)])
3723 AC_DEFINE(PTY_NAME_SPRINTF, [])
3724 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3727 dnl FIXME? Maybe use same as freebsd - see bug#12040.
3729 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3730 dnl Not used, because PTY_ITERATION is defined.
3731 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3732 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
3733 dnl But we don't have to block SIGCHLD because it is blocked in the
3734 dnl implementation of grantpt.
3735 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
3736 AC_DEFINE(PTY_NAME_SPRINTF, [])
3737 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3741 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3744 gnu-linux | gnu-kfreebsd | freebsd | netbsd )
3746 if test "x$ac_cv_func_grantpt" = xyes; then
3747 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
3748 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3749 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
3750 dnl to prevent sigchld_handler from intercepting the child's death.
3751 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); }])
3752 dnl if HAVE_POSIX_OPENPT
3753 if test "x$ac_cv_func_posix_openpt" = xyes; then
3754 AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
3755 AC_DEFINE(PTY_NAME_SPRINTF, [])
3757 elif test "x$ac_cv_func_getpt" = xyes; then
3758 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
3759 AC_DEFINE(PTY_NAME_SPRINTF, [])
3761 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3764 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3769 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3770 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
3771 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
3775 dnl It looks like this cannot be right, because it is not a loop.
3776 dnl However, process.c actually does this:
3782 dnl which presumably makes it OK, since irix == sgi (?).
3783 dnl FIXME it seems like this special treatment is unnecessary?
3784 dnl Why can't irix use a single-trip loop like eg cygwin?
3785 AC_DEFINE(PTY_ITERATION, [])
3786 dnl Not used, because PTY_ITERATION is defined.
3787 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
3788 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); }])
3789 dnl No need to get the pty name at all.
3790 AC_DEFINE(PTY_NAME_SPRINTF, [])
3791 dnl No need to use sprintf to get the tty name--we get that from _getpty.
3792 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3796 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
3797 dnl from intercepting that death. If any child but grantpt's should die
3798 dnl within, it should be caught after sigrelse(2).
3799 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); }])
3803 dnl Comments are as per sol2*.
3804 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); }])
3811 dnl This change means that we don't loop through allocate_pty too
3812 dnl many times in the (rare) event of a failure.
3813 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
3814 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3815 dnl Push various streams modules onto a PTY channel. Used in process.c.
3816 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.])
3821 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
3822 "typing" a signal character on the pty.])
3825 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
3826 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
3827 aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd | darwin )
3828 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3831 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
3832 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
3833 gnu-linux | gnu-kfreebsd )
3835 AC_MSG_CHECKING([for signals via characters])
3836 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3837 #include <linux/version.h>
3838 #if LINUX_VERSION_CODE < 0x20400
3839 # error "Linux version too old"
3841 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
3843 AC_MSG_RESULT([$emacs_signals_via_chars])
3844 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3849 dnl Used in lisp.h, emacs.c, vm-limit.c
3850 dnl NEWS.18 describes this as "a number which contains
3851 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
3852 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
3853 stored in a Lisp_Object.])
3854 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
3858 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
3859 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
3862 dnl The data segment on this machine always starts at address 0x40000000.
3863 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
3866 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
3871 AH_TEMPLATE(TAB3, [Undocumented.])
3874 darwin) AC_DEFINE(TAB3, OXTABS) ;;
3876 gnu | freebsd | netbsd | openbsd )
3877 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
3878 AC_DEFINE(TAB3, OXTABS)
3881 gnu-linux | gnu-kfreebsd )
3882 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3886 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
3887 [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)],
3888 [Mark a secondary stack, like the register stack on the ia64.]), [])
3892 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
3893 run_time_remap; for HPUX.])
3898 dnl This won't be used automatically yet. We also need to know, at least,
3899 dnl that the stack is continuous.
3900 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
3901 registers relevant for conservative garbage collection in the jmp_buf.])
3905 dnl Not all the architectures are tested, but there are Debian packages
3906 dnl for SCM and/or Guile on them, so the technique must work. See also
3907 dnl comments in alloc.c concerning setjmp and gcc.
3908 dnl Fixme: it's probably safe to just use the GCC conditional below.
3909 gnu-linux | gnu-kfreebsd )
3910 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3911 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
3912 || defined __alpha__ || defined __mips__ || defined __s390__ \
3913 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
3914 || defined __ia64__ || defined __sh__
3917 # error "setjmp not known to work on this arch"
3919 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
3924 if test x$GCC = xyes; then
3925 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
3926 AC_DEFINE(GC_SETJMP_WORKS, 1)
3929 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
3930 freebsd | netbsd | openbsd | irix6-5 | sol2* )
3931 AC_DEFINE(GC_SETJMP_WORKS, 1)
3936 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
3937 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
3940 [[#include <setjmp.h>
3942 # define _longjmp longjmp
3947 _longjmp (j, 1);]])],
3948 [emacs_cv_func__setjmp=yes],
3949 [emacs_cv_func__setjmp=no])])
3950 if test $emacs_cv_func__setjmp = yes; then
3951 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
3953 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
3956 [[#include <setjmp.h>
3959 if (! sigsetjmp (j, 1))
3960 siglongjmp (j, 1);]])],
3961 [emacs_cv_func_sigsetjmp=yes],
3962 [emacs_cv_func_sigsetjmp=no])])
3963 if test $emacs_cv_func_sigsetjmp = yes; then
3964 AC_DEFINE([HAVE_SIGSETJMP], 1,
3965 [Define to 1 if sigsetjmp and siglongjmp work.
3966 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
3972 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
3973 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
3974 dnl and this is all we need.
3975 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
3982 dnl Used in xfaces.c.
3983 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
3984 some systems, where it requires time.h.])
3989 dnl Define symbols to identify the version of Unix this is.
3990 dnl Define all the symbols that apply correctly.
3991 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
3992 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
3993 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
3994 AH_TEMPLATE(USG5, [Define if the system is compatible with System V.])
3995 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4001 dnl This symbol should be defined on AIX Version 3 ???????
4002 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4004 # error "_AIX not defined"
4006 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4010 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4014 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4015 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4016 dnl distinguish OS X from pure Darwin.
4017 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4020 gnu-linux | gnu-kfreebsd )
4022 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4028 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4034 AC_DEFINE(USG5_4, [])
4035 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4039 AC_DEFINE(DOS_NT, [])
4040 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4041 if test "x$ac_enable_checking" != "x" ; then
4042 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4049 AC_DEFINE(USG5_4, [])
4050 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4056 AC_DEFINE(USG5_4, [])
4060 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4063 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4064 emacs_cv_usable_FIONREAD=no
4068 emacs_cv_usable_FIONREAD=yes
4073 [AC_LANG_PROGRAM([[#include <sys/types.h>
4074 #include <sys/ioctl.h>
4076 # include <sys/filio.h>
4079 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4080 [emacs_cv_usable_FIONREAD=yes],
4081 [emacs_cv_usable_FIONREAD=no])
4084 if test $emacs_cv_usable_FIONREAD = yes; then
4085 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4087 if test $emacs_broken_SIGIO = no; then
4088 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4090 [AC_LANG_PROGRAM([[#include <fcntl.h>
4093 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4094 [emacs_cv_usable_SIGIO=yes],
4095 [emacs_cv_usable_SIGIO=no])],
4096 [emacs_cv_usable_SIGIO=yes],
4097 [emacs_cv_usable_SIGIO=no])
4098 if test $emacs_cv_usable_SIGIO = yes; then
4099 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4106 dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls
4107 dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
4108 dnl As malloc is not the Cygwin malloc, the Cygwin memalign always
4109 dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
4111 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4112 G_SLICE environment variable to "always-malloc" at startup, if
4117 dnl It works to open the pty's tty in the parent (Emacs), then
4118 dnl close and reopen it in the child.
4119 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4120 works to open a pty's tty in the parent process, then close and
4121 reopen it in the child.])
4125 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4126 use VSUSP instead of VSWTCH.])
4130 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4135 # Set up the CFLAGS for real compilation, so we can substitute it.
4136 CFLAGS="$REAL_CFLAGS"
4137 CPPFLAGS="$REAL_CPPFLAGS"
4139 ## Hack to detect a buggy GCC version.
4140 if test "x$GCC" = xyes \
4141 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4142 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4143 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4144 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4147 version=$PACKAGE_VERSION
4149 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4150 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4151 [Short copyright string for this version of Emacs.])
4154 ### Specify what sort of things we'll be editing into Makefile and config.h.
4155 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4157 AC_SUBST(configuration)
4162 AC_SUBST(exec_prefix)
4165 AC_SUBST(sharedstatedir)
4166 AC_SUBST(libexecdir)
4171 AC_SUBST(standardlisppath)
4172 AC_SUBST(locallisppath)
4174 AC_SUBST(x_default_search_path)
4176 AC_SUBST(archlibdir)
4181 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4182 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4183 ## end of LIBX_BASE, but nothing ever set it.
4184 AC_SUBST(LD_SWITCH_X_SITE)
4185 AC_SUBST(C_SWITCH_X_SITE)
4186 AC_SUBST(GNUSTEP_CFLAGS)
4188 ## Used in lwlib/Makefile.in.
4189 AC_SUBST(X_TOOLKIT_TYPE)
4191 AC_SUBST(ns_appbindir)
4192 AC_SUBST(ns_appresdir)
4194 AC_SUBST(GNU_OBJC_CFLAGS)
4195 AC_SUBST(OTHER_FILES)
4197 if test -n "${term_header}"; then
4198 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4199 [Define to the header for the built-in window system.])
4202 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4203 [Define to the canonical Emacs configuration name.])
4204 dnl Replace any embedded " characters (bug#13274).
4205 emacs_config_options=`echo "$emacs_config_options " | sed -e 's/--no-create //' -e 's/--no-recursion //' -e 's/ *$//' -e "s/\"/'/g"`
4206 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4207 [Define to the options passed to configure.])
4208 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4209 define this to include extra configuration information.])
4213 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4220 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4221 AC_DEFINE(HAVE_X_WINDOWS, 1,
4222 [Define to 1 if you want to use the X window system.])
4224 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
4226 if test "$HAVE_XFT" = "yes"; then
4227 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4228 elif test "$HAVE_FREETYPE" = "yes"; then
4229 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4239 if test "${USE_X_TOOLKIT}" != "none" ; then
4241 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4242 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4243 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4244 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4245 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4249 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4250 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4254 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4255 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4256 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4260 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4261 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4264 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4267 AC_SUBST(WIDGET_OBJ)
4270 case "$USE_X_TOOLKIT" in
4271 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4272 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4273 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4275 AC_SUBST(TOOLKIT_LIBW)
4277 if test "${opsys}" != "mingw32"; then
4278 if test "$USE_X_TOOLKIT" = "none"; then
4279 LIBXT_OTHER="\$(LIBXSM)"
4280 OLDXMENU_TARGET="really-oldXMenu"
4282 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4283 OLDXMENU_TARGET="really-lwlib"
4286 AC_SUBST(LIBXT_OTHER)
4288 ## The X Menu stuff is present in the X10 distribution, but missing
4289 ## from X11. If we have X10, just use the installed library;
4290 ## otherwise, use our own copy.
4291 if test "${HAVE_X11}" = "yes" ; then
4292 AC_DEFINE(HAVE_X11, 1,
4293 [Define to 1 if you want to use version 11 of X windows.
4294 Otherwise, Emacs expects to use version 10.])
4296 if test "$USE_X_TOOLKIT" = "none"; then
4297 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4299 OLDXMENU="\${lwlibdir}/liblw.a"
4301 LIBXMENU="\$(OLDXMENU)"
4302 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4303 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4305 ## For a syntactically valid Makefile; not actually used for anything.
4306 ## See comments in src/Makefile.in.
4308 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4309 if test "${HAVE_X_WINDOWS}" = "yes"; then
4318 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4325 AC_SUBST(OLDXMENU_TARGET)
4328 AC_SUBST(LIBX_OTHER)
4329 AC_SUBST(OLDXMENU_DEPS)
4331 if test "${HAVE_MENUS}" = "yes" ; then
4332 AC_DEFINE(HAVE_MENUS, 1,
4333 [Define to 1 if you have mouse menus.
4334 (This is automatic if you use X, but the option to specify it remains.)
4335 It is also defined with other window systems that support xmenu.c.])
4338 if test "${GNU_MALLOC}" = "yes" ; then
4339 AC_DEFINE(GNU_MALLOC, 1,
4340 [Define to 1 if you want to use the GNU memory allocator.])
4344 if test "${REL_ALLOC}" = "yes" ; then
4345 AC_DEFINE(REL_ALLOC, 1,
4346 [Define REL_ALLOC if you want to use the relocating allocator for
4349 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4351 AC_SUBST(RALLOC_OBJ)
4353 if test "$opsys" = "cygwin"; then
4354 CYGWIN_OBJ="sheap.o cygw32.o"
4355 ## Cygwin differs because of its unexec().
4357 POST_ALLOC_OBJ=lastfile.o
4358 elif test "$opsys" = "mingw32"; then
4361 POST_ALLOC_OBJ=lastfile.o
4364 PRE_ALLOC_OBJ=lastfile.o
4367 AC_SUBST(CYGWIN_OBJ)
4368 AC_SUBST(PRE_ALLOC_OBJ)
4369 AC_SUBST(POST_ALLOC_OBJ)
4371 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4372 # it temporarily reverts them to their pre-pkg-config values,
4373 # because gnulib needs to work with both src (which uses the
4374 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4375 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4376 # and it therefore needs to run in an environment where LIBS does not
4377 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4378 # for some package unrelated to lib-src.
4381 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4382 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4383 gl_ASSERT_NO_GNULIB_POSIXCHECK
4384 gl_ASSERT_NO_GNULIB_TESTS
4389 if test "${opsys}" = "mingw32"; then
4390 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I $srcdir/nt/inc"
4391 # Remove unneeded switches from the value of CC that goes to Makefiles
4392 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4396 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4399 ## The -headerpad option tells ld (see man page) to leave room at the
4400 ## end of the header for adding load commands. Needed for dumping.
4401 ## 0x690 is the total size of 30 segment load commands (at 56
4402 ## each); under Cocoa 31 commands are required.
4403 if test "$HAVE_NS" = "yes"; then
4404 libs_nsgui="-framework AppKit"
4410 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4412 ## This is here because src/Makefile.in did some extra fiddling around
4413 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4414 ## LD_SWITCH_SYSTEM_TEMACS instead,
4415 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4416 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4419 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4420 ## find X at run-time.
4421 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4422 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4423 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4424 ## had different values in configure (in ac_link) and src/Makefile.in.
4425 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4426 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4429 case "$canonical" in
4430 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" ;;
4431 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-subsystem,console -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4435 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4438 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4440 ## MinGW-specific post-link processing of temacs.
4441 TEMACS_POST_LINK=":"
4444 if test "${opsys}" = "mingw32"; then
4445 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4446 ADDSECTION="../nt/addsection\$(EXEEXT)"
4447 ## Preload heap size of temacs.exe in MB.
4448 case "$canonical" in
4449 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4450 *) EMACS_HEAPSIZE=27 ;;
4454 AC_SUBST(ADDSECTION)
4455 AC_SUBST(TEMACS_POST_LINK)
4456 AC_SUBST(EMACS_HEAPSIZE)
4458 ## Common for all window systems
4459 if test "$window_system" != "none"; then
4460 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4461 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4464 AC_SUBST(WINDOW_SYSTEM_OBJ)
4466 AH_TOP([/* GNU Emacs site configuration template file.
4468 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4469 Free Software Foundation, Inc.
4471 This file is part of GNU Emacs.
4473 GNU Emacs is free software: you can redistribute it and/or modify
4474 it under the terms of the GNU General Public License as published by
4475 the Free Software Foundation, either version 3 of the License, or
4476 (at your option) any later version.
4478 GNU Emacs is distributed in the hope that it will be useful,
4479 but WITHOUT ANY WARRANTY; without even the implied warranty of
4480 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4481 GNU General Public License for more details.
4483 You should have received a copy of the GNU General Public License
4484 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4487 /* No code in Emacs #includes config.h twice, but some bits of code
4488 intended to work with other packages as well (like gmalloc.c)
4489 think they can include it as many times as they like. */
4490 #ifndef EMACS_CONFIG_H
4491 #define EMACS_CONFIG_H
4494 AH_BOTTOM([#include <conf_post.h>
4496 #endif /* EMACS_CONFIG_H */
4505 #### Report on what we decided to do.
4506 #### Report GTK as a toolkit, even if it doesn't use Xt.
4507 #### It makes printing result more understandable as using GTK sets
4508 #### toolkit_scroll_bars to yes by default.
4509 if test "${HAVE_GTK}" = "yes"; then
4510 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4514 Configured for \`${canonical}'.
4516 Where should the build process find the source code? ${srcdir}
4517 What compiler should emacs be built with? ${CC} ${CFLAGS}
4518 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4519 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4520 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4521 What window system should Emacs use? ${window_system}
4522 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4524 if test -n "${x_includes}"; then
4525 echo " Where do we find X Windows header files? ${x_includes}"
4527 echo " Where do we find X Windows header files? Standard dirs"
4529 if test -n "${x_libraries}"; then
4530 echo " Where do we find X Windows libraries? ${x_libraries}"
4532 echo " Where do we find X Windows libraries? Standard dirs"
4535 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4536 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4537 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4538 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4539 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4540 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4541 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4542 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4544 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4545 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4546 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4547 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4548 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4549 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4550 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4552 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4553 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4554 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4555 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4557 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4560 if test -n "${EMACSDATA}"; then
4561 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4563 if test -n "${EMACSDOC}"; then
4564 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4569 if test "$HAVE_NS" = "yes"; then
4571 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4572 The installed application will go to nextstep/Emacs.app and can be
4573 run or moved from there."
4574 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4575 echo "The application will be fully self-contained."
4577 echo "The lisp resources for the application will be installed under ${prefix}.
4578 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4579 to run if these resources are not installed."
4584 if test "${opsys}" = "cygwin"; then
4586 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4592 # Remove any trailing slashes in these variables.
4593 [test "${prefix}" != NONE &&
4594 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4595 test "${exec_prefix}" != NONE &&
4596 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4598 if test "$HAVE_NS" = "yes"; then
4599 if test "$NS_IMPL_GNUSTEP" = yes; then
4600 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4601 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4603 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4604 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4608 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4609 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4610 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4611 dnl (else you get "no `Makefile.am' found for any configure output").
4612 dnl This will work, but you get a config.status that is not quite right
4613 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4614 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4615 dnl it seems better to just live with the duplication.
4616 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
4618 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4619 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4620 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4621 leim/Makefile nextstep/Makefile nt/Makefile])
4623 dnl test/ is not present in release tarfiles.
4624 opt_makefile=test/automated/Makefile
4626 if test -f "$srcdir/$opt_makefile.in"; then
4627 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4628 dnl Again, it's best not to use a variable. Though you can add
4629 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4630 AC_CONFIG_FILES([test/automated/Makefile])
4634 dnl admin/ may or may not be present.
4635 opt_makefile=admin/unidata/Makefile
4637 if test -f "$srcdir/$opt_makefile.in"; then
4638 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4639 AC_CONFIG_FILES([admin/unidata/Makefile])
4643 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4645 AC_SUBST(SUBDIR_MAKEFILES_IN)
4647 dnl Make the necessary directories, if they don't exist.
4648 AC_CONFIG_COMMANDS([mkdirs], [
4649 for dir in etc lisp ; do
4650 test -d ${dir} || mkdir ${dir}
4654 dnl You might wonder (I did) why epaths.h is generated by running make,
4655 dnl rather than just letting configure generate it from epaths.in.
4656 dnl One reason is that the various paths are not fully expanded (see above);
4657 dnl eg gamedir=${prefix}/var/games/emacs.
4658 dnl Secondly, the GNU Coding standards require that one should be able
4659 dnl to run `make prefix=/some/where/else' and override the values set
4660 dnl by configure. This also explains the `move-if-change' test and
4661 dnl the use of force in the `epaths-force' rule in Makefile.in.
4662 AC_CONFIG_COMMANDS([epaths], [
4663 echo creating src/epaths.h
4664 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4665 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
4667 AC_CONFIG_COMMANDS([gdbinit], [
4668 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
4669 echo creating src/.gdbinit
4670 echo "source $srcdir/src/.gdbinit" > src/.gdbinit