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, 1999-2012 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)
26 AC_CONFIG_HEADER(src/config.h:src/config.in)
27 AC_CONFIG_SRCDIR(src/lisp.h)
28 AC_CONFIG_AUX_DIR(build-aux)
29 dnl Fairly arbitrary, older versions might work too.
30 AM_INIT_AUTOMAKE(1.11)
32 dnl Support for --program-prefix, --program-suffix and
33 dnl --program-transform-name options
36 dnl It is important that variables on the RHS not be expanded here,
37 dnl hence the single quotes. This is per the GNU coding standards, see
38 dnl (autoconf) Installation Directory Variables
39 dnl See also epaths.h below.
40 lispdir='${datadir}/emacs/${version}/lisp'
41 leimdir='${datadir}/emacs/${version}/leim'
42 standardlisppath='${lispdir}:${leimdir}'
43 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
44 '${datadir}/emacs/site-lisp'
45 lisppath='${locallisppath}:${standardlisppath}'
46 etcdir='${datadir}/emacs/${version}/etc'
47 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
48 docdir='${datadir}/emacs/${version}/etc'
49 gamedir='${localstatedir}/games/emacs'
51 dnl Special option to disable the most of other options.
53 [AS_HELP_STRING([--without-all],
54 [omit almost all features and build
55 small executable with minimal dependencies])],
56 with_features=$withval,
59 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
60 dnl Create a new --with option that defaults to being disabled.
61 dnl NAME is the base name of the option. The shell variable with_NAME
62 dnl will be set to either the user's value (if the option is
63 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
64 dnl option is not specified). Note that the shell variable name is
65 dnl constructed as autoconf does, by replacing non-alphanumeric
66 dnl characters with "_".
67 dnl HELP-STRING is the help text for the option.
68 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
69 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
70 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
73 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
74 dnl Create a new --with option that defaults to $enable_features.
75 dnl NAME is the base name of the option. The shell variable with_NAME
76 dnl will be set either to 'no' (for a plain --without-NAME) or to
77 dnl 'yes' (if the option is not specified). Note that the shell
78 dnl variable name is constructed as autoconf does, by replacing
79 dnl non-alphanumeric characters with "_".
80 dnl HELP-STRING is the help text for the option.
81 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
82 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
83 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
86 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
87 if test "$with_pop" = yes; then
88 AC_DEFINE(MAIL_USE_POP)
90 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
92 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
93 if test "$with_kerberos" != no; then
97 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
99 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
100 if test "${with_kerberos5}" != no; then
101 if test "${with_kerberos}" = no; then
105 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
108 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
109 dnl FIXME hesiod support may not be present, so it seems like an error
110 dnl to define, or at least use, this unconditionally.
111 if test "$with_hesiod" != no; then
112 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
115 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
116 if test "$with_mmdf" != no; then
117 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
120 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
121 if test "$with_mail_unlink" != no; then
122 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
125 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
126 [string giving default POP mail host])],
127 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
129 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
131 dnl FIXME currently it is not the last.
132 dnl This should be the last --with option, because --with-x is
133 dnl added later on when we find the path of X, and it's best to
134 dnl keep them together visually.
135 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
136 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
137 [ case "${withval}" in
138 y | ye | yes ) val=gtk ;;
140 l | lu | luc | luci | lucid ) val=lucid ;;
141 a | at | ath | athe | athen | athena ) val=athena ;;
142 m | mo | mot | moti | motif ) val=motif ;;
143 g | gt | gtk ) val=gtk ;;
147 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
148 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
149 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
150 `athena' and `lucid' are synonyms.])
156 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
157 if test "$with_wide_int" = yes; then
158 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
161 dnl _ON results in a '--without' option in the --help output, so
162 dnl the help text should refer to "don't compile", etc.
163 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
164 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
165 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
166 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
167 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
168 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
169 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
170 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
172 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
173 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
174 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
176 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
177 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
178 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
179 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
180 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
182 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
183 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
184 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
185 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
186 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
187 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
189 ## For the times when you want to build Emacs but don't have
190 ## a suitable makeinfo, and can live without the manuals.
191 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
192 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
194 ## Makefile.in needs the cache file name.
197 ## This is an option because I do not know if all info/man support
198 ## compressed files, nor how to test if they do so.
199 OPTION_DEFAULT_ON([compress-info],[don't compress the installed Info pages])
200 if test $with_compress_info = yes; then
207 AC_ARG_WITH([pkg-config-prog],dnl
208 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
209 [path to pkg-config for finding GTK and librsvg])])
210 if test "X${with_pkg_config_prog}" != X; then
211 if test "${with_pkg_config_prog}" != yes; then
212 PKG_CONFIG="${with_pkg_config_prog}"
217 AC_ARG_WITH([crt-dir],dnl
218 [AS_HELP_STRING([--with-crt-dir=DIR],[directory containing crtn.o etc.
219 The default is /usr/lib, or /usr/lib64 on some platforms.])])
220 CRT_DIR="${with_crt_dir}"
222 AC_ARG_WITH(gameuser,dnl
223 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
224 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
225 && gameuser="${with_gameuser}"
226 test "X$gameuser" = X && gameuser=games
228 AC_ARG_WITH([gnustep-conf],dnl
229 [AS_HELP_STRING([--with-gnustep-conf=PATH],[path to GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
230 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
231 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
232 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
233 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
235 AC_ARG_ENABLE(ns-self-contained,
236 [AS_HELP_STRING([--disable-ns-self-contained],
237 [disable self contained build under NeXTstep])],
238 EN_NS_SELF_CONTAINED=$enableval,
239 EN_NS_SELF_CONTAINED=yes)
241 AC_ARG_ENABLE(locallisppath,
242 [AS_HELP_STRING([--enable-locallisppath=PATH],
243 [directories Emacs should search for lisp files specific
245 if test "${enableval}" = "no"; then
247 elif test "${enableval}" != "yes"; then
248 locallisppath=${enableval}
251 AC_ARG_ENABLE(checking,
252 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
253 [enable expensive run-time checks. With LIST,
254 enable only specific categories of checks.
255 Categories are: all,yes,no.
256 Flags are: stringbytes, stringoverrun, stringfreelist,
257 xmallocoverrun, conslist, glyphs])],
258 [ac_checking_flags="${enableval}"],[])
259 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
260 for check in $ac_checking_flags
263 # these set all the flags to specific states
264 yes) ac_enable_checking=1 ;;
265 no) ac_enable_checking= ;
266 ac_gc_check_stringbytes= ;
267 ac_gc_check_string_overrun= ;
268 ac_gc_check_string_free_list= ;
269 ac_xmalloc_overrun= ;
270 ac_gc_check_cons_list= ;
272 all) ac_enable_checking=1 ;
273 ac_gc_check_stringbytes=1 ;
274 ac_gc_check_string_overrun=1 ;
275 ac_gc_check_string_free_list=1 ;
276 ac_xmalloc_overrun=1 ;
277 ac_gc_check_cons_list=1 ;
279 # these enable particular checks
280 stringbytes) ac_gc_check_stringbytes=1 ;;
281 stringoverrun) ac_gc_check_string_overrun=1 ;;
282 stringfreelist) ac_gc_check_string_free_list=1 ;;
283 xmallocoverrun) ac_xmalloc_overrun=1 ;;
284 conslist) ac_gc_check_cons_list=1 ;;
285 glyphs) ac_glyphs_debug=1 ;;
286 *) AC_MSG_ERROR(unknown check category $check) ;;
291 if test x$ac_enable_checking != x ; then
292 AC_DEFINE(ENABLE_CHECKING, 1,
293 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
295 if test x$ac_gc_check_stringbytes != x ; then
296 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
297 [Define this temporarily to hunt a bug. If defined, the size of
298 strings is redundantly recorded in sdata structures so that it can
299 be compared to the sizes recorded in Lisp strings.])
301 if test x$ac_gc_check_string_overrun != x ; then
302 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
303 [Define this to check for short string overrun.])
305 if test x$ac_gc_check_string_free_list != x ; then
306 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
307 [Define this to check the string free list.])
309 if test x$ac_xmalloc_overrun != x ; then
310 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
311 [Define this to check for malloc buffer overrun.])
313 if test x$ac_gc_check_cons_list != x ; then
314 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
315 [Define this to check for errors in cons list.])
317 if test x$ac_glyphs_debug != x ; then
318 AC_DEFINE(GLYPH_DEBUG, 1,
319 [Define this to enable glyphs debugging code.])
322 AC_ARG_ENABLE(check-lisp-object-type,
323 [AS_HELP_STRING([--enable-check-lisp-object-type],
324 [enable compile time checks for the Lisp_Object data type.
325 This is useful for development for catching certain types of bugs.])],
326 if test "${enableval}" != "no"; then
327 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
328 [Define this to enable compile time checks for the Lisp_Object data type.])
332 dnl The name of this option is unfortunate. It predates, and has no
333 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
334 dnl Actually, it stops it working.
335 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
336 AC_ARG_ENABLE(profiling,
337 [AS_HELP_STRING([--enable-profiling],
338 [build emacs with low-level, gprof profiling support.
339 Mainly useful for debugging Emacs itself. May not work on
340 all platforms. Stops profiler.el working.])],
341 [ac_enable_profiling="${enableval}"],[])
342 if test x$ac_enable_profiling != x ; then
343 PROFILING_CFLAGS="-DPROFILING=1 -pg"
347 AC_SUBST(PROFILING_CFLAGS)
349 AC_ARG_ENABLE(autodepend,
350 [AS_HELP_STRING([--enable-autodepend],
351 [automatically generate dependencies to .h-files.
352 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
354 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
356 #### Make srcdir absolute, if it isn't already. It's important to
357 #### avoid running the path through pwd unnecessarily, since pwd can
358 #### give you automounter prefixes, which can go away. We do all this
359 #### so Emacs can find its files when run uninstalled.
360 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
363 [[\\/]]* | ?:[[\\/]]*) ;;
365 ## We may be able to use the $PWD environment variable to make this
366 ## absolute. But sometimes PWD is inaccurate.
367 ## Note: we used to use ${PWD} at the end instead of `pwd`,
368 ## but that tested only for a well-formed and valid PWD,
369 ## it did not object when PWD was well-formed and valid but just wrong.
370 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
374 srcdir="`(cd ${srcdir}; pwd)`"
377 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
380 ### Canonicalize the configuration name.
384 configuration=${host_alias-${build_alias-$host}}
386 dnl This used to use changequote, but, apart from `changequote is evil'
387 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
388 dnl the great gob of text. Thus it's not processed for possible expansion.
389 dnl Just make sure the brackets remain balanced.
391 dnl Since Emacs can't find matching pairs of quotes, boundaries are
392 dnl indicated by comments.
396 ### If you add support for a new configuration, add code to this
397 ### switch statement to recognize your configuration name and select
398 ### the appropriate operating system file.
400 ### You would hope that you could choose an s/*.h
401 ### file based on the operating system portion. However, it turns out
402 ### that each s/*.h file is pretty manufacturer-specific.
403 ### So we basically have to have a special case for each
404 ### configuration name.
406 ### As far as handling version numbers on operating systems is
407 ### concerned, make sure things will fail in a fixable way. If
408 ### /etc/MACHINES doesn't say anything about version numbers, be
409 ### prepared to handle anything reasonably. If version numbers
410 ### matter, be sure /etc/MACHINES says something about it.
413 case "${canonical}" in
415 ## GNU/Linux and similar ports
425 ## FreeBSD kernel + glibc based userland
440 ## Apple Darwin / Mac OS X
442 case "${canonical}" in
449 ## Use fink packages if available.
450 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
451 ## if test -d /sw/include && test -d /sw/lib; then
452 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
453 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
457 ## HP 9000 series 700 and 800, running HP/UX
461 hppa*-hp-hpux1[1-9]* )
463 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
467 rs6000-ibm-aix4.[23]* )
470 powerpc-ibm-aix4.[23]* )
473 rs6000-ibm-aix[56]* )
476 powerpc-ibm-aix[56]* )
480 ## Silicon Graphics machines
484 # Without defining _LANGUAGE_C, things get masked out in the headers
485 # so that, for instance, grepping for `free' in stdlib.h fails and
486 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
487 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
492 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
493 | x86_64-*-solaris2* | x86_64-*-sunos5*)
494 case "${canonical}" in
496 amd64-*-*|x86_64-*-*) ;;
500 case "${canonical}" in
501 *-sunos5.6* | *-solaris2.6* )
505 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
507 emacs_check_sunpro_c=yes
509 *-sunos5* | *-solaris* )
511 emacs_check_sunpro_c=yes
514 ## Watch out for a compiler that we know will not work.
515 case "${canonical}" in
516 *-solaris* | *-sunos5* )
517 if [ "x$CC" = x/usr/ucb/cc ]; then
518 ## /usr/ucb/cc doesn't work;
519 ## we should find some other compiler that does work.
527 ## Intel 386 machines where we don't care about the manufacturer.
529 case "${canonical}" in
530 *-cygwin ) opsys=cygwin ;;
531 *-darwin* ) opsys=darwin ;;
534 # MinGW overrides and adds some system headers in nt/inc.
535 GCC_TEST_OPTIONS="-I nt/inc"
537 *-sysv4.2uw* ) opsys=unixware ;;
538 *-sysv5uw* ) opsys=unixware ;;
539 *-sysv5OpenUNIX* ) opsys=unixware ;;
540 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
549 ### If the code above didn't choose an operating system, just choose
550 ### an operating system based on the configuration name. You really
551 ### only want to use this when you have no idea what the right
552 ### operating system is; if you know what operating systems a machine
553 ### runs, it's cleaner to make it explicit in the case statement
555 if test x"${opsys}" = x; then
556 case "${canonical}" in
557 *-gnu* ) opsys=gnu ;;
567 if test $unported = yes; then
568 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
569 Check `etc/MACHINES' for recognized configuration names.])
573 #### Choose a compiler.
575 dnl Sets GCC=yes if using gcc.
579 if test x$GCC = xyes; then
580 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
582 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
585 # Avoid gnulib's tests for O_NOATIME and O_NOFOLLOW, as we don't use them.
586 AC_DEFUN([gl_FCNTL_O_FLAGS])
587 # Avoid gnulib's threadlib module, as we do threads our own way.
588 AC_DEFUN([gl_THREADLIB])
590 # Initialize gnulib right after choosing the compiler.
591 dnl Amongst other things, this sets AR and ARFLAGS.
594 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
595 # if -g3 works and the user does not specify CFLAGS.
596 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
597 if test "$ac_test_CFLAGS" != set; then
600 emacs_g3_CFLAGS='-g3';;
602 emacs_g3_CFLAGS='-g3 -O2';;
606 if test -n "$emacs_g3_CFLAGS"; then
607 emacs_save_CFLAGS=$CFLAGS
608 CFLAGS=$emacs_g3_CFLAGS
609 if test $opsys = mingw32; then
610 CFLAGS="$CFLAGS -gdwarf-2"
612 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
613 [emacs_cv_prog_cc_g3],
614 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
615 [emacs_cv_prog_cc_g3=yes],
616 [emacs_cv_prog_cc_g3=no])])
617 if test $emacs_cv_prog_cc_g3 = yes; then
618 CFLAGS=$emacs_g3_CFLAGS
620 CFLAGS=$emacs_save_CFLAGS
625 AC_ARG_ENABLE([gcc-warnings],
626 [AS_HELP_STRING([--enable-gcc-warnings],
627 [turn on lots of GCC warnings. This is intended for
628 developers, and may generate false alarms when used
629 with older or non-GNU development tools.])],
632 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
634 gl_gcc_warnings=$enableval],
638 AC_ARG_ENABLE(link-time-optimization,
639 [AS_HELP_STRING([--enable-link-time-optimization],
640 [build emacs with link-time optimization.
641 This is supported only for GCC since 4.5.0.])],
642 if test "${enableval}" != "no"; then
643 AC_MSG_CHECKING([whether link-time optimization is supported])
645 if test x$GCC = xyes; then
646 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
647 if test x$CPUS != x; then
653 CFLAGS="$CFLAGS $LTO"
654 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
655 [ac_lto_supported=yes], [ac_lto_supported=no])
658 AC_MSG_RESULT([$ac_lto_supported])
659 if test "$ac_lto_supported" = "yes"; then
660 CFLAGS="$CFLAGS $LTO"
664 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
665 # ------------------------------------------------
666 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
667 # Otherwise, run RUN-IF-NOT-FOUND.
668 AC_DEFUN([gl_GCC_VERSION_IFELSE],
672 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
675 # error "your version of gcc is older than $1.$2"
682 # When compiling with GCC, prefer -isystem to -I when including system
683 # include files, to avoid generating useless diagnostics for the files.
684 if test "$gl_gcc_warnings" != yes; then
689 # This, $nw, is the list of warnings we disable.
692 case $with_x_toolkit in
693 lucid | athena | motif)
694 # Old toolkits mishandle 'const'.
695 nw="$nw -Wwrite-strings"
698 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
701 AC_SUBST([WERROR_CFLAGS])
703 nw="$nw -Waggregate-return" # anachronistic
704 nw="$nw -Wlong-long" # C90 is anachronistic
705 nw="$nw -Wc++-compat" # We don't care about C++ compilers
706 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
707 nw="$nw -Wtraditional" # Warns on #elif which we use often
708 nw="$nw -Wcast-qual" # Too many warnings for now
709 nw="$nw -Wconversion" # Too many warnings for now
710 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
711 nw="$nw -Wsign-conversion" # Too many warnings for now
712 nw="$nw -Woverlength-strings" # Not a problem these days
713 nw="$nw -Wtraditional-conversion" # Too many warnings for now
714 nw="$nw -Wunreachable-code" # so buggy that it's now silently ignored
715 nw="$nw -Wpadded" # Our structs are not padded
716 nw="$nw -Wredundant-decls" # we regularly (re)declare functions
717 nw="$nw -Wlogical-op" # any use of fwrite provokes this
718 nw="$nw -Wformat-nonliteral" # we do this a lot
719 nw="$nw -Wvla" # warnings in gettext.h
720 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
721 nw="$nw -Wswitch-enum" # Too many warnings for now
722 nw="$nw -Wswitch-default" # Too many warnings for now
723 nw="$nw -Wfloat-equal" # warns about high-quality code
724 nw="$nw -Winline" # OK to ignore 'inline'
725 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
726 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
727 # signed overflow has undefined behavior
728 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
729 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
731 # Emacs doesn't care about shadowing; see
732 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
735 # The following line should be removable at some point.
736 nw="$nw -Wsuggest-attribute=pure"
738 AC_MSG_CHECKING([whether to use -Wstack-protector])
741 [[#if (1 <= __LONG_MAX__ >> 31 >> 31 \
742 && 4 < __GNUC__ + (7 < __GNUC_MINOR__ + (2 <= __GNUC_PATCHLEVEL__)))
745 #error "Not GCC, or GCC before 4.7.2, or 'long int' has < 64 bits."
748 [AC_MSG_RESULT(yes)],
750 nw="$nw -Wstack-protector"])
752 gl_MANYWARN_ALL_GCC([ws])
753 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
757 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
758 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
759 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
760 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
761 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
762 gl_WARN_ADD([-Wno-format-nonliteral])
764 # In spite of excluding -Wlogical-op above, it is enabled, as of
765 # gcc 4.5.0 20090517.
766 gl_WARN_ADD([-Wno-logical-op])
768 gl_WARN_ADD([-fdiagnostics-show-option])
769 gl_WARN_ADD([-funit-at-a-time])
771 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
772 AH_VERBATIM([FORTIFY_SOURCE],
773 [/* Enable compile-time and run-time bounds-checking, and some warnings,
774 without upsetting glibc 2.15+. */
775 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
776 # define _FORTIFY_SOURCE 2
779 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
781 # We use a slightly smaller set of warning options for lib/.
782 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
784 nw="$nw -Wunused-macros"
786 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
787 AC_SUBST([GNULIB_WARN_CFLAGS])
792 dnl Some other nice autoconf tests.
793 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
796 dnl if test "x$RANLIB" = x; then
801 AC_PATH_PROG(INSTALL_INFO, install-info, :,
802 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
803 dnl Don't use GZIP, which is used by gzip for additional parameters.
804 AC_PATH_PROG(GZIP_PROG, gzip)
806 if test $opsys = gnu-linux; then
807 AC_PATH_PROG(PAXCTL, paxctl,,
808 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
809 if test "X$PAXCTL" != X; then
810 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
811 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
812 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
813 else AC_MSG_RESULT(no); PAXCTL=""; fi])
817 ## Need makeinfo >= 4.7 (?) to build the manuals.
818 AC_PATH_PROG(MAKEINFO, makeinfo, no)
819 dnl By this stage, configure has already checked for egrep and set EGREP,
820 dnl or exited with an error if no egrep was found.
821 if test "$MAKEINFO" != "no" && \
822 test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'`" = x; then
826 ## Makeinfo is unusual. For a released Emacs, the manuals are
827 ## pre-built, and not deleted by the normal clean rules. makeinfo is
828 ## therefore in the category of "special tools" not normally required, which
829 ## configure does not have to check for (eg autoconf itself).
830 ## In a Bazaar checkout on the other hand, the manuals are not included.
831 ## So makeinfo is a requirement to build from Bazaar, and configure
832 ## should test for it as it does for any other build requirement.
833 ## We use the presence of $srcdir/info/emacs to distinguish a release,
834 ## with pre-built manuals, from a Bazaar checkout.
837 if test "$MAKEINFO" = "no"; then
839 if test "x${with_makeinfo}" = "xno"; then
841 elif test ! -e $srcdir/info/emacs; then
842 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
843 source tree does not seem to have pre-built manuals in the `info' directory.
844 Either install a suitable version of makeinfo, or re-run configure
845 with the `--without-makeinfo' option to build without the manuals.] )
848 AC_SUBST(HAVE_MAKEINFO)
850 dnl Just so that there is only a single place we need to edit.
856 dnl Add our options to ac_link now, after it is set up.
858 if test x$GCC = xyes; then
859 test "x$GCC_LINK_TEST_OPTIONS" != x && \
860 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
862 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
863 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
866 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
867 dnl If we can link with the flag, it shouldn't do any harm anyhow.
868 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
869 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
870 dnl if not built to support GNU ld.
872 late_LDFLAGS=$LDFLAGS
873 if test x$GCC = xyes; then
874 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
876 LDFLAGS="$LDFLAGS -znocombreloc"
879 AC_MSG_CHECKING([for -znocombreloc])
880 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
881 [AC_MSG_RESULT(yes)],
882 LDFLAGS=$late_LDFLAGS
886 dnl The function dump-emacs will not be defined and temacs will do
887 dnl (load "loadup") automatically unless told otherwise.
888 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
890 your-opsys-here) CANNOT_DUMP=yes ;;
893 test "$CANNOT_DUMP" = "yes" && \
894 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
896 AC_SUBST(CANNOT_DUMP)
901 # MSDOS uses unexcoff.o
909 UNEXEC_OBJ=unexmacosx.o
912 UNEXEC_OBJ=unexhp9k800.o
918 # Use the Solaris dldump() function, called from unexsol.c, to dump
919 # emacs, instead of the generic ELF dump code found in unexelf.c.
920 # The resulting binary has a complete symbol table, and is better
921 # for debugging and other observability tools (debuggers, pstack, etc).
923 # If you encounter a problem using dldump(), please consider sending
924 # a message to the OpenSolaris tools-linking mailing list:
925 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
927 # It is likely that dldump() works with older Solaris too, but this has
928 # not been tested, so for now this change is for Solaris 10 or newer.
936 ## Let `ld' find image libs and similar things in /usr/local/lib.
937 ## The system compiler, GCC, has apparently been modified to not
938 ## look there, contrary to what a stock GCC would do.
939 ### It's not our place to do this. See bug#10313#17.
940 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
945 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
946 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
950 ### It's not our place to do this. See bug#10313#17.
951 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
956 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
957 ## otherwise Emacs dumps core on elf systems.
958 LD_SWITCH_SYSTEM="-Z"
961 AC_SUBST(LD_SWITCH_SYSTEM)
963 ac_link="$ac_link $LD_SWITCH_SYSTEM"
965 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
966 ## which has not been defined yet. When this was handled with cpp,
967 ## it was expanded to null when configure sourced the s/*.h file.
968 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
969 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
970 ## (or somesuch), but because it is supposed to go at the _front_
971 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
972 ## Compare with the gnu-linux case below, which added to the end
973 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
974 ## LD_SWITCH_SYSTEM_TEMACS.
977 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
984 AC_CHECK_DECL([__ELF__])
985 if test "$ac_cv_have_decl___ELF__" = "yes"; then
986 ## With ELF, make sure that all common symbols get allocated to in the
987 ## data section. Otherwise, the dump of temacs may miss variables in
988 ## the shared library that have been initialized. For example, with
989 ## GNU libc, __malloc_initialized would normally be resolved to the
990 ## shared library's .bss section, which is fatal.
991 if test "x$GCC" = "xyes"; then
992 C_SWITCH_MACHINE="-fno-common"
994 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
997 UNEXEC_OBJ=unexalpha.o
1001 AC_SUBST(C_SWITCH_MACHINE)
1003 AC_SUBST(UNEXEC_OBJ)
1006 ## Some programs in src produce warnings saying certain subprograms
1007 ## are too complex and need a MAXMEM value greater than 2000 for
1008 ## additional optimization. --nils@exp-math.uni-essen.de
1009 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1010 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1011 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1012 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1013 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1014 AC_SUBST(C_SWITCH_SYSTEM)
1019 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1020 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1022 freebsd) LIBS_SYSTEM="-lutil" ;;
1024 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1026 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1028 ## Motif needs -lgen.
1029 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1031 AC_SUBST(LIBS_SYSTEM)
1034 ### Make sure subsequent tests use flags consistent with the build flags.
1036 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1037 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1039 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1042 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1043 AC_DEFUN([AC_TYPE_SIZE_T])
1044 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1045 AC_DEFUN([AC_TYPE_UID_T])
1051 dnl Current possibilities handled by sed (aix4-2 -> aix,
1052 dnl gnu-linux -> gnu/linux, etc.):
1053 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1054 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1055 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1057 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
1061 START_FILES='pre-crt0.o'
1064 ## Adding -lm confuses the dynamic linker, so omit it.
1066 START_FILES='pre-crt0.o'
1069 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1070 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1071 SYSTEM_TYPE=berkeley-unix
1073 gnu-linux | gnu-kfreebsd )
1074 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1075 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1077 hpux10-20 | hpux11 )
1079 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1084 dnl NB this may be adjusted below.
1086 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1087 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1088 SYSTEM_TYPE=berkeley-unix
1092 SYSTEM_TYPE=usg-unix-v
1098 AC_SUBST(START_FILES)
1099 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1100 [The type of system you are compiling for; sets `system-type'.])
1102 dnl Not all platforms use crtn.o files. Check if the current one does.
1105 for file in x $LIB_STANDARD $START_FILES; do
1107 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1111 if test "x$crt_files" != x; then
1113 ## If user specified a crt-dir, use that unconditionally.
1116 if test "X$CRT_DIR" = "X"; then
1118 CRT_DIR=/usr/lib # default
1120 case "$canonical" in
1121 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1122 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1123 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1124 ## For anything else (eg /usr/lib32), it is up the user to specify
1125 ## the location (bug#5655).
1126 ## Test for crtn.o, not just the directory, because sometimes the
1127 ## directory exists but does not have the relevant files (bug#1287).
1128 ## FIXME better to test for binary compatibility somehow.
1129 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1132 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1136 hpux10-20) CRT_DIR=/lib ;;
1139 test "x${GCC}" = xyes && crt_gcc=yes
1145 for file in $crt_files; do
1147 ## If we're using gcc, try to determine it automatically by asking
1148 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1149 ## system-dependent default from above.]
1150 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1152 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1155 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1160 dnl We expect all the files to be in a single directory, so after the
1161 dnl first there is no point asking gcc.
1164 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1167 test "x$crt_missing" = x || \
1168 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1169 Try using the --with-crt-dir option.])
1171 fi # crt_files != ""
1177 if test -f $CRT_DIR/crti.o; then
1179 test -f $CRT_DIR/crtn.o || \
1180 AC_MSG_ERROR([Required file not found: crtn.o])
1182 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1183 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1189 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1190 pre_PKG_CONFIG_LIBS=$LIBS
1192 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1194 dnl This function definition taken from Gnome 2.0
1195 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1196 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1197 dnl also defines GSTUFF_PKG_ERRORS on error
1198 AC_DEFUN([PKG_CHECK_MODULES], [
1201 if test "$PKG_CONFIG" = "no" ; then
1202 ifelse([$4], , [AC_MSG_ERROR([
1203 *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to 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])
1205 PKG_CONFIG_MIN_VERSION=0.9.0
1206 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1207 AC_MSG_CHECKING(for $2)
1209 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1210 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1211 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1218 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1219 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1220 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1226 ## If we have a custom action on failure, don't print errors, but
1227 ## do set a variable so people can do so. Do it in a subshell
1228 ## to capture any diagnostics in invoking pkg-config.
1229 $1_PKG_ERRORS=`($PKG_CONFIG --print-errors "$2") 2>&1`
1230 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1236 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1237 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1241 if test $succeeded = yes; then
1242 ifelse([$3], , :, [$3])
1244 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])
1248 test "$opsys" = "mingw32" && with_sound=no
1250 if test "${with_sound}" != "no"; then
1251 # Sound support for GNU/Linux and the free BSDs.
1252 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1253 have_sound_header=yes)
1254 # Emulation library used on NetBSD.
1255 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1259 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1260 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1261 if test $HAVE_ALSA = yes; then
1262 SAVE_CFLAGS="$CFLAGS"
1264 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1265 LIBS="$ALSA_LIBS $LIBS"
1266 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1267 emacs_alsa_normal=yes,
1268 emacs_alsa_normal=no)
1269 if test "$emacs_alsa_normal" != yes; then
1270 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1271 [[snd_lib_error_set_handler (0);]])],
1272 emacs_alsa_subdir=yes,
1273 emacs_alsa_subdir=no)
1274 if test "$emacs_alsa_subdir" != yes; then
1275 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1277 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1280 CFLAGS="$SAVE_CFLAGS"
1282 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1283 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1284 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1287 dnl Define HAVE_SOUND if we have sound support. We know it works and
1288 dnl compiles only on the specified platforms. For others, it
1289 dnl probably doesn't make sense to try.
1290 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1292 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1293 gnu-linux|freebsd|netbsd)
1294 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1299 AC_SUBST(CFLAGS_SOUND)
1302 dnl checks for header files
1303 AC_CHECK_HEADERS_ONCE(
1304 linux/version.h sys/systeminfo.h
1306 sys/vlimit.h sys/resource.h
1307 sys/utsname.h pwd.h utmp.h util.h)
1309 AC_MSG_CHECKING(if personality LINUX32 can be set)
1310 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1311 emacs_cv_personality_linux32=yes,
1312 emacs_cv_personality_linux32=no)
1313 AC_MSG_RESULT($emacs_cv_personality_linux32)
1315 if test $emacs_cv_personality_linux32 = yes; then
1316 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1317 [Define to 1 if personality LINUX32 can be set.])
1320 dnl On Solaris 8 there's a compilation warning for term.h because
1321 dnl it doesn't define `bool'.
1322 AC_CHECK_HEADERS(term.h, , , -)
1324 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1326 if test $ac_cv_have_decl_sys_siglist != yes; then
1327 # For Tru64, at least:
1328 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1330 if test $ac_cv_have_decl___sys_siglist = yes; then
1331 AC_DEFINE(sys_siglist, __sys_siglist,
1332 [Define to any substitute for sys_siglist.])
1337 dnl Check for speed_t typedef.
1338 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1339 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1340 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1341 if test $emacs_cv_speed_t = yes; then
1342 AC_DEFINE(HAVE_SPEED_T, 1,
1343 [Define to 1 if `speed_t' is declared by <termios.h>.])
1346 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1347 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1348 #if HAVE_SYS_SOCKET_H
1349 #include <sys/socket.h>
1351 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1352 #if HAVE_SYS_SOCKET_H
1353 #include <sys/socket.h>
1355 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1356 #if HAVE_SYS_SOCKET_H
1357 #include <sys/socket.h>
1360 dnl checks for structure members
1361 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1362 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1363 struct ifreq.ifr_addr,
1364 struct ifreq.ifr_addr.sa_len], , ,
1365 [AC_INCLUDES_DEFAULT
1366 #if HAVE_SYS_SOCKET_H
1367 #include <sys/socket.h>
1373 dnl Check for endianness.
1374 dnl AC_C_BIGENDIAN is done by gnulib.
1376 dnl check for Make feature
1377 dnl AC_PROG_MAKE_SET is done by Automake.
1382 dnl check for GNU Make if we have GCC and autodepend is on.
1383 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1384 AC_MSG_CHECKING([whether we are using GNU Make])
1386 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1387 if test "x$testval" != x; then
1390 ac_enable_autodepend=no
1392 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1393 if test $HAVE_GNU_MAKE = yes; then
1394 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1395 SAVE_CFLAGS="$CFLAGS"
1396 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1397 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1398 CFLAGS="$SAVE_CFLAGS"
1399 test -f deps.d || ac_enable_autodepend=no
1401 AC_MSG_RESULT([$ac_enable_autodepend])
1403 if test $ac_enable_autodepend = yes; then
1404 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1405 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1406 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1407 deps_frag=autodeps.mk
1410 deps_frag=$srcdir/src/$deps_frag
1413 AC_SUBST_FILE(deps_frag)
1416 lisp_frag=$srcdir/src/lisp.mk
1417 AC_SUBST_FILE(lisp_frag)
1420 dnl checks for operating system services
1421 AC_SYS_LONG_FILE_NAMES
1423 #### Choose a window system.
1425 ## We leave window_system equal to none if
1426 ## we end up building without one. Any new window system should
1427 ## set window_system to an appropriate value and add objects to
1428 ## window-system-specific substs.
1432 if test "$no_x" != yes; then
1436 LD_SWITCH_X_SITE_RPATH=
1437 if test "${x_libraries}" != NONE; then
1438 if test -n "${x_libraries}"; then
1439 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1440 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1442 x_default_search_path=""
1443 x_search_path=${x_libraries}
1444 if test -z "${x_search_path}"; then
1445 x_search_path=/usr/lib
1447 for x_library in `echo ${x_search_path}: | \
1448 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1450 ${x_library}/X11/%L/%T/%N%C%S:\
1451 ${x_library}/X11/%l/%T/%N%C%S:\
1452 ${x_library}/X11/%T/%N%C%S:\
1453 ${x_library}/X11/%L/%T/%N%S:\
1454 ${x_library}/X11/%l/%T/%N%S:\
1455 ${x_library}/X11/%T/%N%S"
1456 if test x"${x_default_search_path}" = x; then
1457 x_default_search_path=${x_search_path}
1459 x_default_search_path="${x_search_path}:${x_default_search_path}"
1463 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1465 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1466 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1469 if test x"${x_includes}" = x; then
1470 bitmapdir=/usr/include/X11/bitmaps
1472 # accumulate include directories that have X11 bitmap subdirectories
1474 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1475 if test -d "${bmd}/X11/bitmaps"; then
1476 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1478 if test -d "${bmd}/bitmaps"; then
1479 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1482 if test ${bmd_acc} != "dummyval"; then
1483 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1490 tmp_CPPFLAGS="$CPPFLAGS"
1491 tmp_CFLAGS="$CFLAGS"
1492 CPPFLAGS="$CPPFLAGS -x objective-c"
1493 CFLAGS="$CFLAGS -x objective-c"
1494 TEMACS_LDFLAGS2="\${LDFLAGS}"
1496 if test "${with_ns}" != no; then
1497 if test "${opsys}" = darwin; then
1499 ns_appdir=`pwd`/nextstep/Emacs.app
1500 ns_appbindir=${ns_appdir}/Contents/MacOS
1501 ns_appresdir=${ns_appdir}/Contents/Resources
1502 ns_appsrc=Cocoa/Emacs.base
1503 elif test -f $GNUSTEP_CONFIG_FILE; then
1505 ns_appdir=`pwd`/nextstep/Emacs.app
1506 ns_appbindir=${ns_appdir}
1507 ns_appresdir=${ns_appdir}/Resources
1508 ns_appsrc=GNUstep/Emacs.base
1509 dnl FIXME sourcing this several times in subshells seems inefficient.
1510 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1511 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1512 dnl I seemed to need these as well with GNUstep-startup 0.25.
1513 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1514 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1515 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1516 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1517 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1518 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1519 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1520 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1521 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1525 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1526 dnl If they had chosen to either define it or not, we could have
1527 dnl just used AC_CHECK_DECL here.
1528 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1529 emacs_cv_objc_exceptions,
1530 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1531 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1535 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1536 if test $emacs_cv_objc_exceptions = yes; then
1537 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1538 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1539 [Define if GNUstep uses ObjC exceptions.])
1540 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1544 dnl This is only used while we test the NS headers, it gets reset below.
1545 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1547 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1548 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1549 files are missing or cannot be compiled.])])
1551 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1553 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1554 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1557 #error "OSX 10.4 or newer required"
1561 ns_osx_have_104=yes,
1563 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1565 ns_have_nsinteger=yes,
1566 ns_have_nsinteger=no)
1567 if test $ns_osx_have_104 = no; then
1568 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1570 if test $ns_have_nsinteger = yes; then
1571 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1575 AC_SUBST(TEMACS_LDFLAGS2)
1577 INSTALL_ARCH_INDEP_EXTRA=install-etc
1578 ns_self_contained=no
1581 if test "${HAVE_NS}" = yes; then
1582 if test "$with_toolkit_scroll_bars" = "no"; then
1583 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1586 window_system=nextstep
1587 # set up packaging dirs
1588 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1589 ns_self_contained=yes
1590 prefix=${ns_appresdir}
1591 exec_prefix=${ns_appbindir}
1592 dnl This one isn't really used, only archlibdir is.
1593 libexecdir="\${ns_appbindir}/libexec"
1594 archlibdir="\${ns_appbindir}/libexec"
1595 docdir="\${ns_appresdir}/etc"
1596 etcdir="\${ns_appresdir}/etc"
1597 dnl FIXME maybe set datarootdir instead.
1598 dnl That would also get applications, icons, man.
1599 infodir="\${ns_appresdir}/info"
1600 mandir="\${ns_appresdir}/man"
1601 lispdir="\${ns_appresdir}/lisp"
1602 leimdir="\${ns_appresdir}/leim"
1603 INSTALL_ARCH_INDEP_EXTRA=
1605 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1607 CFLAGS="$tmp_CFLAGS"
1608 CPPFLAGS="$tmp_CPPFLAGS"
1609 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1610 AC_SUBST(ns_self_contained)
1612 AC_SUBST(NS_OBJC_OBJ)
1613 AC_SUBST(LIB_STANDARD)
1618 if test "${with_w32}" != no; then
1619 if test "${opsys}" != "cygwin"; then
1620 if test "${opsys}" != "mingw32"; then
1621 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1624 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1625 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1626 cannot be found.])])
1628 if test "${opsys}" = "mingw32"; then
1629 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1630 [AC_MSG_ERROR([The windows.h header file is required,
1631 but cannot be found.])])
1632 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1633 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1634 #include <windows.h>
1635 #include <usp10.h>]],
1636 [[void test(PIMAGE_NT_HEADERS pHeader)
1637 {PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader);}]])],
1638 emacs_cv_w32api=yes, emacs_cv_w32api=no)
1639 AC_MSG_RESULT($emacs_cv_w32api)
1640 if test "${emacs_cv_w32api}" = "no"; then
1641 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1645 if test "${HAVE_W32}" = "yes"; then
1646 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1647 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1648 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1649 if test "${opsys}" = "cygwin"; then
1650 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1651 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1653 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1654 W32_LIBS="$W32_LIBS -lwinmm -ladvapi32 -lgdi32 -lcomdlg32 -luser32"
1655 W32_LIBS="$W32_LIBS -lmpr -lshell32 -lwinspool -lole32 -lcomctl32 -lusp10"
1661 if test "${HAVE_W32}" = "yes"; then
1666 ## $window_system is now set to the window system we will
1674 case "${window_system}" in
1679 case "${with_x_toolkit}" in
1680 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1681 motif ) USE_X_TOOLKIT=MOTIF ;;
1683 term_header=gtkutil.h
1684 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1685 dnl USE_X_TOOLKIT is set.
1686 USE_X_TOOLKIT=none ;;
1687 gtk2 ) with_gtk2=yes
1688 term_header=gtkutil.h
1689 USE_X_TOOLKIT=none ;;
1690 gtk3 ) with_gtk3=yes
1691 term_header=gtkutil.h
1692 USE_X_TOOLKIT=none ;;
1693 no ) USE_X_TOOLKIT=none ;;
1694 dnl If user did not say whether to use a toolkit, make this decision later:
1695 dnl use the toolkit if we have gtk, or X11R5 or newer.
1696 * ) USE_X_TOOLKIT=maybe ;;
1700 term_header=nsterm.h
1703 term_header=w32term.h
1707 if test -n "${term_header}"; then
1708 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
1709 [Define to the header for the built-in window system.])
1712 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1713 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1714 if test "$HAVE_XSERVER" = true ||
1715 test -n "$DISPLAY" ||
1716 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1717 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1718 were found. You should install the relevant development files for X
1719 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1720 sure you have development files for image handling, i.e.
1721 tiff, gif, jpeg, png and xpm.
1722 If you are sure you want Emacs compiled without X window support, pass
1728 ### If we're using X11, we should use the X menu package.
1731 yes ) HAVE_MENUS=yes ;;
1734 # Does the opsystem file prohibit the use of the GNU malloc?
1735 # Assume not, until told otherwise.
1739 [whether malloc is Doug Lea style],
1740 [emacs_cv_var_doug_lea_malloc],
1743 [[#include <malloc.h>
1744 static void hook (void) {}]],
1745 [[malloc_set_state (malloc_get_state ());
1746 __after_morecore_hook = hook;
1747 __malloc_initialize_hook = hook;]])],
1748 [emacs_cv_var_doug_lea_malloc=yes],
1749 [emacs_cv_var_doug_lea_malloc=no])])
1750 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1753 dnl See comments in aix4-2.h about maybe using system malloc there.
1756 ## darwin ld insists on the use of malloc routines in the System framework.
1757 darwin|sol2-10) system_malloc=yes ;;
1760 if test "${system_malloc}" = "yes"; then
1761 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1764 (The GNU allocators don't work with this system configuration.)"
1768 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1769 VMLIMIT_OBJ=vm-limit.o
1771 AC_SUBST(GMALLOC_OBJ)
1772 AC_SUBST(VMLIMIT_OBJ)
1774 if test "$doug_lea_malloc" = "yes" ; then
1775 if test "$GNU_MALLOC" = yes ; then
1777 (Using Doug Lea's new malloc from the GNU C Library.)"
1779 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1780 [Define to 1 if you are using the GNU C Library.])
1782 ## Use mmap directly for allocating larger buffers.
1783 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1784 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1785 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1787 gnu*) REL_ALLOC=no ;;
1791 if test x"${REL_ALLOC}" = x; then
1792 REL_ALLOC=${GNU_MALLOC}
1795 use_mmap_for_buffers=no
1797 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1801 if test $use_mmap_for_buffers = yes; then
1802 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1806 LIBS="$LIBS_SYSTEM $LIBS"
1808 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1809 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1810 AC_CHECK_LIB(dnet, dnet_ntoa)
1811 dnl This causes -lresolv to get used in subsequent tests,
1812 dnl which causes failures on some systems such as HPUX 9.
1813 dnl AC_CHECK_LIB(resolv, gethostbyname)
1815 dnl FIXME replace main with a function we actually want from this library.
1816 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1818 dnl Check if pthreads is available.
1820 AC_CHECK_HEADERS_ONCE(pthread.h)
1821 if test "$ac_cv_header_pthread_h"; then
1822 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1823 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1824 dnl testing for pthread_self if Emacs uses gmalloc.c.
1825 if test "$GMALLOC_OBJ" = gmalloc.o; then
1826 emacs_pthread_function=pthread_atfork
1828 emacs_pthread_function=pthread_self
1830 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1832 if test "$HAVE_PTHREAD" = yes; then
1833 case "${canonical}" in
1835 *) LIB_PTHREAD="-lpthread"
1836 LIBS="$LIB_PTHREAD $LIBS" ;;
1838 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1840 AC_SUBST([LIB_PTHREAD])
1842 AC_CHECK_LIB(pthreads, cma_open)
1844 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1845 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1846 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1847 ## added to LIBS in configure would never contain the pthreads part,
1848 ## but the value used in Makefiles might. FIXME?
1850 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1851 ## be harmless on older versions of X where it happens to exist.
1852 test "$opsys" = "aix4-2" && \
1853 test $ac_cv_lib_pthreads_cma_open = yes && \
1854 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1856 dnl Check for need for bigtoc support on IBM AIX
1860 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1862 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1863 *) gdb_cv_bigtoc=-bbigtoc ;;
1866 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1867 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1872 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1873 # used for the tests that follow. We set them back to REAL_CFLAGS and
1874 # REAL_CPPFLAGS later on.
1876 REAL_CFLAGS="$CFLAGS"
1877 REAL_CPPFLAGS="$CPPFLAGS"
1879 if test "${HAVE_X11}" = "yes"; then
1880 DEFS="$C_SWITCH_X_SITE $DEFS"
1881 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1883 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1884 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1886 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1887 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1888 # but it's more convenient here to set LD_RUN_PATH since this
1889 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1890 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1891 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1895 if test "${opsys}" = "gnu-linux"; then
1896 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1897 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1898 [[XOpenDisplay ("foo");]])],
1899 [xgnu_linux_first_failure=no],
1900 [xgnu_linux_first_failure=yes])
1901 if test "${xgnu_linux_first_failure}" = "yes"; then
1902 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1903 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1904 OLD_CPPFLAGS="$CPPFLAGS"
1906 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1907 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1908 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1909 LIBS="$LIBS -b i486-linuxaout"
1910 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1911 [[XOpenDisplay ("foo");]])],
1912 [xgnu_linux_second_failure=no],
1913 [xgnu_linux_second_failure=yes])
1914 if test "${xgnu_linux_second_failure}" = "yes"; then
1915 # If we get the same failure with -b, there is no use adding -b.
1916 # So take it out. This plays safe.
1917 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1918 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1919 CPPFLAGS="$OLD_CPPFLAGS"
1930 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1931 # header files included from there.
1932 AC_MSG_CHECKING(for Xkb)
1933 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1934 #include <X11/XKBlib.h>]],
1935 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1936 emacs_xkb=yes, emacs_xkb=no)
1937 AC_MSG_RESULT($emacs_xkb)
1938 if test $emacs_xkb = yes; then
1939 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1942 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1943 XScreenNumberOfScreen)
1946 if test "${window_system}" = "x11"; then
1947 AC_MSG_CHECKING(X11 version 6)
1948 AC_CACHE_VAL(emacs_cv_x11_version_6,
1949 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1950 [[#if XlibSpecificationRelease < 6
1953 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1954 if test $emacs_cv_x11_version_6 = yes; then
1955 AC_MSG_RESULT(6 or newer)
1956 AC_DEFINE(HAVE_X11R6, 1,
1957 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1958 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1959 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1963 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1964 [Define if you have usable X11R6-style XIM support.])
1968 AC_MSG_RESULT(before 6)
1973 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1975 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
1976 if test "${with_rsvg}" != "no"; then
1977 RSVG_REQUIRED=2.11.0
1978 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1980 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1981 AC_SUBST(RSVG_CFLAGS)
1984 if test $HAVE_RSVG = yes; then
1985 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1986 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1987 LIBS="$RSVG_LIBS $LIBS"
1993 if test "${HAVE_X11}" = "yes"; then
1994 if test "${with_imagemagick}" != "no"; then
1995 ## 6.2.8 is the earliest version known to work, but earlier versions
1996 ## might work - let us know if you find one.
1997 ## 6.0.7 does not work. See bug#7955.
1998 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1999 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2000 AC_SUBST(IMAGEMAGICK_CFLAGS)
2001 AC_SUBST(IMAGEMAGICK_LIBS)
2003 if test $HAVE_IMAGEMAGICK = yes; then
2004 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2005 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2006 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2007 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2017 if test "${opsys}" != "mingw32"; then
2018 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2021 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2023 dnl Checks for libraries.
2024 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2025 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2026 AC_MSG_ERROR($GTK_PKG_ERRORS)
2028 if test "$pkg_check_gtk" = "yes"; then
2029 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2030 GTK_OBJ=emacsgtkfixed.o
2031 term_header=gtkutil.h
2032 USE_GTK_TOOLKIT="GTK3"
2035 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2039 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2042 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2044 dnl Checks for libraries.
2045 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2046 if test "$pkg_check_gtk" = "no" &&
2047 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2049 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2051 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2055 if test x"$pkg_check_gtk" = xyes; then
2057 AC_SUBST(GTK_CFLAGS)
2059 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2060 CFLAGS="$CFLAGS $GTK_CFLAGS"
2061 LIBS="$GTK_LIBS $LIBS"
2062 dnl Try to compile a simple GTK program.
2064 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2065 if test "${GTK_COMPILES}" != "yes"; then
2066 if test "$USE_X_TOOLKIT" != "maybe"; then
2067 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2071 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2072 GTK_OBJ="gtkutil.o $GTK_OBJ"
2074 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
2077 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2078 closing open displays. This is no problem if you just use
2079 one display, but if you use more than one and close one of them
2089 if test "${HAVE_GTK}" = "yes"; then
2091 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2092 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2093 if test "$with_toolkit_scroll_bars" != no; then
2094 with_toolkit_scroll_bars=yes
2097 dnl Check if we have the old file selection dialog declared and
2098 dnl in the link library. In 2.x it may be in the library,
2099 dnl but not declared if deprecated featured has been selected out.
2100 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2101 HAVE_GTK_FILE_SELECTION=no
2102 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2103 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2104 #include <gtk/gtk.h>])
2105 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2106 AC_CHECK_FUNCS(gtk_file_selection_new)
2110 dnl Check for functions introduced in 2.14 and later.
2111 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2112 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2113 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2114 gtk_orientable_set_orientation \
2115 gtk_window_set_has_resize_grip)
2117 term_header=gtkutil.h
2120 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2121 dnl other platforms.
2124 if test "${with_dbus}" = "yes"; then
2125 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2126 if test "$HAVE_DBUS" = yes; then
2127 LIBS="$LIBS $DBUS_LIBS"
2128 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2129 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2130 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2132 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2133 dbus_type_is_valid \
2134 dbus_validate_bus_name \
2135 dbus_validate_path \
2136 dbus_validate_interface \
2137 dbus_validate_member)
2143 dnl GSettings has been tested under GNU/Linux only.
2145 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2146 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2147 if test "$HAVE_GSETTINGS" = "yes"; then
2148 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2149 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2150 SETTINGS_LIBS="$GSETTINGS_LIBS"
2154 dnl GConf has been tested under GNU/Linux only.
2155 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2157 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2158 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2159 if test "$HAVE_GCONF" = yes; then
2160 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2161 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2162 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2163 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2167 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2168 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2169 if test "$HAVE_GOBJECT" = "yes"; then
2170 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2171 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2173 SAVE_CFLAGS="$CFLAGS"
2175 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2176 LIBS="$SETTINGS_LIBS $LIBS"
2177 AC_CHECK_FUNCS([g_type_init])
2178 CFLAGS="$SAVE_CFLAGS"
2181 AC_SUBST(SETTINGS_CFLAGS)
2182 AC_SUBST(SETTINGS_LIBS)
2185 dnl SELinux is available for GNU/Linux only.
2188 if test "${with_selinux}" = "yes"; then
2189 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2190 if test "$HAVE_LIBSELINUX" = yes; then
2191 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2192 LIBSELINUX_LIBS=-lselinux
2195 AC_SUBST(LIBSELINUX_LIBS)
2198 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2199 if test "${with_gnutls}" = "yes" ; then
2200 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2201 if test "${HAVE_GNUTLS}" = "yes"; then
2202 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2205 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2206 LIBS="$LIBGNUTLS_LIBS $LIBS"
2207 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2209 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2210 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2213 # Windows loads GnuTLS dynamically
2214 if test "${opsys}" = "mingw32"; then
2219 AC_SUBST(LIBGNUTLS_LIBS)
2220 AC_SUBST(LIBGNUTLS_CFLAGS)
2222 dnl Do not put whitespace before the #include statements below.
2223 dnl Older compilers (eg sunos4 cc) choke on it.
2226 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2227 if test "$with_xaw3d" != no; then
2228 AC_CACHE_VAL(emacs_cv_xaw3d,
2229 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2230 #include <X11/Intrinsic.h>
2231 #include <X11/Xaw3d/Simple.h>]],
2233 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2234 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2235 emacs_cv_xaw3d=no)])
2239 if test $emacs_cv_xaw3d = yes; then
2240 AC_MSG_CHECKING(for xaw3d)
2241 AC_MSG_RESULT([yes; using Lucid toolkit])
2245 AC_DEFINE(HAVE_XAW3D, 1,
2246 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2248 AC_MSG_CHECKING(for xaw3d)
2250 AC_MSG_CHECKING(for libXaw)
2251 AC_CACHE_VAL(emacs_cv_xaw,
2252 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2253 #include <X11/Intrinsic.h>
2254 #include <X11/Xaw/Simple.h>]],
2258 if test $emacs_cv_xaw = yes; then
2259 AC_MSG_RESULT([yes; using Lucid toolkit])
2262 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2263 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2265 AC_MSG_ERROR([No X toolkit could be found.
2266 If you are sure you want Emacs compiled without an X toolkit, pass
2268 to configure. Otherwise, install the development libraries for the toolkit
2269 that you want to use (e.g. Gtk+) and re-run configure.])
2274 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2277 if test "${USE_X_TOOLKIT}" != "none"; then
2278 AC_MSG_CHECKING(X11 toolkit version)
2279 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2280 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2281 [[#if XtSpecificationRelease < 6
2284 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2285 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2286 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2287 AC_MSG_RESULT(6 or newer)
2288 AC_DEFINE(HAVE_X11XTR6, 1,
2289 [Define to 1 if you have the X11R6 or newer version of Xt.])
2290 LIBXTR6="-lSM -lICE"
2292 ## Use libw.a along with X11R6 Xt.
2293 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2296 AC_MSG_RESULT(before 6)
2299 dnl If using toolkit, check whether libXmu.a exists.
2300 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2302 if test x$HAVE_X11XTR6 = xyes; then
2303 LIBS="-lXt -lSM -lICE $LIBS"
2307 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2308 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2309 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2313 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2314 dnl Why not just test for libxmu in the normal way?
2317 ## These systems don't supply Xmu.
2319 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2327 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2328 if test "${HAVE_X11}" = "yes"; then
2329 if test "${USE_X_TOOLKIT}" != "none"; then
2330 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2335 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2336 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2337 if test -d /usr/include/openmotif; then
2338 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2339 emacs_cv_openmotif=yes
2340 case "$canonical" in
2341 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2342 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2345 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2348 emacs_cv_openmotif=no
2350 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2351 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2352 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2355 Motif version prior to 2.1.
2357 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2358 if test $emacs_cv_motif_version_2_1 = yes; then
2359 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2360 if test x$emacs_cv_openmotif = xyes; then
2361 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2364 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2365 # We put this in CFLAGS temporarily to precede other -I options
2366 # that might be in CFLAGS temporarily.
2367 # We put this in CPPFLAGS where it precedes the other -I options.
2368 OLD_CPPFLAGS=$CPPFLAGS
2370 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2371 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2372 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2374 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2375 if test $emacs_cv_lesstif = yes; then
2376 # Make sure this -I option remains in CPPFLAGS after it is set
2377 # back to REAL_CPPFLAGS.
2378 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2379 # have those other -I options anyway. Ultimately, having this
2380 # directory ultimately in CPPFLAGS will be enough.
2381 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2382 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2385 CPPFLAGS=$OLD_CPPFLAGS
2388 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2389 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2392 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2393 dnl using Motif or Xaw3d is available, and unless
2394 dnl --with-toolkit-scroll-bars=no was specified.
2396 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2397 [Define to 1 if we should use toolkit scroll bars.])dnl
2398 USE_TOOLKIT_SCROLL_BARS=no
2399 if test "${with_toolkit_scroll_bars}" != "no"; then
2400 if test "${USE_X_TOOLKIT}" != "none"; then
2401 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2402 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2404 USE_TOOLKIT_SCROLL_BARS=yes
2405 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2406 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2407 USE_TOOLKIT_SCROLL_BARS=yes
2409 elif test "${HAVE_GTK}" = "yes"; then
2410 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2411 USE_TOOLKIT_SCROLL_BARS=yes
2412 elif test "${HAVE_NS}" = "yes"; then
2413 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2414 USE_TOOLKIT_SCROLL_BARS=yes
2415 elif test "${HAVE_W32}" = "yes"; then
2416 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2417 USE_TOOLKIT_SCROLL_BARS=yes
2421 dnl See if XIM is available.
2422 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2423 #include <X11/Xlib.h>
2424 #include <X11/Xresource.h>]],
2425 [[XIMProc callback;]])],
2427 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2430 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2432 if test "${with_xim}" != "no"; then
2433 AC_DEFINE(USE_XIM, 1,
2434 [Define to 1 if we should use XIM, if it is available.])
2438 if test "${HAVE_XIM}" != "no"; then
2440 if test "$GCC" = yes; then
2441 CFLAGS="$CFLAGS --pedantic-errors"
2443 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2444 #include <X11/Xlib.h>
2445 #include <X11/Xresource.h>]],
2451 XPointer *client_data;
2453 /* If we're not using GCC, it's probably not XFree86, and this is
2454 probably right, but we can't use something like --pedantic-errors. */
2455 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2456 char*, XIMProc, XPointer*);
2458 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2460 [emacs_cv_arg6_star=yes])
2461 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2462 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2463 either XPointer or XPointer*.])dnl
2464 if test "$emacs_cv_arg6_star" = yes; then
2465 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2467 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2472 ### Start of font-backend (under any platform) section.
2473 # (nothing here yet -- this is a placeholder)
2474 ### End of font-backend (under any platform) section.
2476 ### Start of font-backend (under X11) section.
2477 if test "${HAVE_X11}" = "yes"; then
2478 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2480 ## Use -lXft if available, unless `--with-xft=no'.
2482 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2485 if test "x${with_xft}" != "xno"; then
2487 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2488 ## Because xftfont.c uses XRenderQueryExtension, we also
2489 ## need to link to -lXrender.
2491 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2492 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2493 OLD_CPPFLAGS="$CPPFLAGS"
2494 OLD_CFLAGS="$CFLAGS"
2496 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2497 CFLAGS="$CFLAGS $XFT_CFLAGS"
2498 XFT_LIBS="-lXrender $XFT_LIBS"
2499 LIBS="$XFT_LIBS $LIBS"
2500 AC_CHECK_HEADER(X11/Xft/Xft.h,
2501 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2503 if test "${HAVE_XFT}" = "yes"; then
2504 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2506 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2508 CPPFLAGS="$OLD_CPPFLAGS"
2509 CFLAGS="$OLD_CFLAGS"
2511 fi # "${HAVE_XFT}" = "yes"
2512 fi # "$HAVE_XFT" != no
2513 fi # "x${with_xft}" != "xno"
2515 ## We used to allow building with FreeType and without Xft.
2516 ## However, the ftx font backend driver is not in good shape.
2517 if test "$HAVE_XFT" != "yes"; then
2518 dnl For the "Does Emacs use" message at the end.
2522 dnl Strict linkers fail with
2523 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2524 dnl if -lfreetype is not specified.
2525 dnl The following is needed to set FREETYPE_LIBS.
2526 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2529 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2533 if test "${HAVE_FREETYPE}" = "yes"; then
2534 AC_DEFINE(HAVE_FREETYPE, 1,
2535 [Define to 1 if using the freetype and fontconfig libraries.])
2536 if test "${with_libotf}" != "no"; then
2537 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2539 if test "$HAVE_LIBOTF" = "yes"; then
2540 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2541 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2542 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2543 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2544 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2545 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2546 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2550 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2551 dnl Does the new font backend require it, or can it work without it?
2555 if test "${HAVE_LIBOTF}" = yes; then
2556 if test "${with_m17n_flt}" != "no"; then
2557 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2558 if test "$HAVE_M17N_FLT" = "yes"; then
2559 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2570 ### End of font-backend (under X11) section.
2572 AC_SUBST(FREETYPE_CFLAGS)
2573 AC_SUBST(FREETYPE_LIBS)
2574 AC_SUBST(FONTCONFIG_CFLAGS)
2575 AC_SUBST(FONTCONFIG_LIBS)
2576 AC_SUBST(LIBOTF_CFLAGS)
2577 AC_SUBST(LIBOTF_LIBS)
2578 AC_SUBST(M17N_FLT_CFLAGS)
2579 AC_SUBST(M17N_FLT_LIBS)
2581 ### Use -lXpm if available, unless `--with-xpm=no'.
2582 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2585 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2586 if test "${with_xpm}" != "no"; then
2587 SAVE_CPPFLAGS="$CPPFLAGS"
2588 SAVE_LDFLAGS="$LDFLAGS"
2589 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2590 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2591 AC_CHECK_HEADER(X11/xpm.h,
2592 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2593 if test "${HAVE_XPM}" = "yes"; then
2594 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2595 AC_EGREP_CPP(no_return_alloc_pixels,
2596 [#include "X11/xpm.h"
2597 #ifndef XpmReturnAllocPixels
2598 no_return_alloc_pixels
2600 ], HAVE_XPM=no, HAVE_XPM=yes)
2602 if test "${HAVE_XPM}" = "yes"; then
2603 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2607 CPPFLAGS="$SAVE_CPPFLAGS"
2608 LDFLAGS="$SAVE_LDFLAGS"
2613 if test "${HAVE_XPM}" = "yes"; then
2614 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2619 if test "${HAVE_X11}" = "yes"; then
2620 if test "${with_xpm}" != "no"; then
2621 AC_CHECK_HEADER(X11/xpm.h,
2622 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2623 if test "${HAVE_XPM}" = "yes"; then
2624 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2625 AC_EGREP_CPP(no_return_alloc_pixels,
2626 [#include "X11/xpm.h"
2627 #ifndef XpmReturnAllocPixels
2628 no_return_alloc_pixels
2630 ], HAVE_XPM=no, HAVE_XPM=yes)
2632 if test "${HAVE_XPM}" = "yes"; then
2640 if test "${HAVE_XPM}" = "yes"; then
2641 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2646 if test "${opsys}" = "mingw32"; then
2647 if test "${with_xpm}" != "no"; then
2648 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2652 if test "${HAVE_XPM}" = "yes"; then
2653 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2659 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2660 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2663 if test "${opsys}" = "mingw32"; then
2664 if test "${with_jpeg}" != "no"; then
2665 dnl Checking for jpeglib.h can lose because of a redefinition of
2667 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2669 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2670 if test "${HAVE_JPEG}" = "yes"; then
2671 AC_DEFINE(HAVE_JPEG)
2672 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2673 [#include <jpeglib.h>
2674 version=JPEG_LIB_VERSION
2676 [AC_DEFINE(HAVE_JPEG)],
2677 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2680 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2681 if test "${with_jpeg}" != "no"; then
2682 dnl Checking for jpeglib.h can lose because of a redefinition of
2684 AC_CHECK_HEADER(jerror.h,
2685 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2688 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2689 if test "${HAVE_JPEG}" = "yes"; then
2690 AC_DEFINE(HAVE_JPEG)
2691 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2692 [#include <jpeglib.h>
2693 version=JPEG_LIB_VERSION
2695 [AC_DEFINE(HAVE_JPEG)],
2696 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2699 if test "${HAVE_JPEG}" = "yes"; then
2705 ### Use -lpng if available, unless `--with-png=no'.
2706 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2709 if test "${opsys}" = "mingw32"; then
2710 if test "${with_png}" != "no"; then
2711 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2713 if test "${HAVE_PNG}" = "yes"; then
2714 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2716 AC_CHECK_DECL(png_longjmp,
2718 [AC_DEFINE(PNG_DEPSTRUCT, [],
2719 [Define to empty to suppress deprecation warnings when building
2720 with --enable-gcc-warnings and with libpng versions before 1.5,
2721 which lack png_longjmp.])],
2722 [[#ifdef HAVE_LIBPNG_PNG_H
2723 # include <libpng/png.h>
2729 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2730 if test "${with_png}" != "no"; then
2731 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2732 # in /usr/include/libpng.
2733 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2734 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2735 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2739 if test "${HAVE_PNG}" = "yes"; then
2740 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2741 LIBPNG="-lpng -lz -lm"
2743 AC_CHECK_DECL(png_longjmp,
2745 [AC_DEFINE(PNG_DEPSTRUCT, [],
2746 [Define to empty to suppress deprecation warnings when building
2747 with --enable-gcc-warnings and with libpng versions before 1.5,
2748 which lack png_longjmp.])],
2749 [[#ifdef HAVE_LIBPNG_PNG_H
2750 # include <libpng/png.h>
2759 ### Use -ltiff if available, unless `--with-tiff=no'.
2760 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
2763 if test "${opsys}" = "mingw32"; then
2764 if test "${with_tiff}" != "no"; then
2765 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
2767 if test "${HAVE_TIFF}" = "yes"; then
2768 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2770 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2771 if test "${with_tiff}" != "no"; then
2772 AC_CHECK_HEADER(tiffio.h,
2774 # At least one tiff package requires the jpeg library.
2775 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2776 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2779 if test "${HAVE_TIFF}" = "yes"; then
2780 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2781 dnl FIXME -lz -lm, as per libpng?
2787 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2788 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
2791 if test "${opsys}" = "mingw32"; then
2792 if test "${with_gif}" != "no"; then
2793 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
2795 if test "${HAVE_GIF}" = "yes"; then
2796 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2798 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
2799 || test "${HAVE_W32}" = "yes"; then
2800 AC_CHECK_HEADER(gif_lib.h,
2801 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2802 # Earlier versions can crash Emacs.
2803 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2805 if test "$HAVE_GIF" = yes; then
2807 elif test "$HAVE_GIF" = maybe; then
2808 # If gif_lib.h but no libgif, try libungif.
2809 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2810 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2813 if test "${HAVE_GIF}" = "yes"; then
2814 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2819 dnl Check for required libraries.
2820 if test "${HAVE_X11}" = "yes"; then
2823 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2824 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2825 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2826 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2827 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2828 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2829 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2830 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2831 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2832 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2834 if test "X${MISSING}" != X; then
2835 AC_MSG_ERROR([The following required libraries were not found:
2837 Maybe some development libraries/packages are missing?
2838 If you don't want to link with them give
2840 as options to configure])
2844 ### Use -lgpm if available, unless `--with-gpm=no'.
2847 if test "${with_gpm}" != "no"; then
2848 AC_CHECK_HEADER(gpm.h,
2849 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2851 if test "${HAVE_GPM}" = "yes"; then
2852 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2858 dnl Check for malloc/malloc.h on darwin
2859 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2862 ### Use NeXTstep API to implement GUI.
2863 if test "${HAVE_NS}" = "yes"; then
2864 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2865 if test "${NS_IMPL_COCOA}" = "yes"; then
2866 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2868 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2869 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2870 # See also .m.o rule in Makefile.in */
2871 # FIXME: are all these flags really needed? Document here why. */
2872 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2873 ## Extra CFLAGS applied to src/*.m files.
2874 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"
2876 # We also have mouse menus.
2881 if test "${HAVE_W32}" = "yes"; then
2885 ### Use session management (-lSM -lICE) if available
2888 if test "${HAVE_X11}" = "yes"; then
2889 AC_CHECK_HEADER(X11/SM/SMlib.h,
2890 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2892 if test "${HAVE_X_SM}" = "yes"; then
2893 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2897 *) LIBS="$LIBXSM $LIBS" ;;
2903 ### Use libxml (-lxml2) if available
2904 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
2906 if test "${with_xml2}" != "no"; then
2907 ### I'm not sure what the version number should be, so I just guessed.
2908 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2909 if test "${HAVE_LIBXML2}" = "yes"; then
2910 if test "${opsys}" != "mingw32"; then
2911 LIBS="$LIBXML2_LIBS $LIBS"
2912 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2916 if test "${HAVE_LIBXML2}" = "yes"; then
2917 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2924 AC_SUBST(LIBXML2_LIBS)
2925 AC_SUBST(LIBXML2_CFLAGS)
2927 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2928 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
2929 if test "${opsys}" = "mingw32"; then
2930 emacs_cv_netdb_declares_h_errno=yes
2932 AC_CACHE_CHECK(whether netdb declares h_errno,
2933 emacs_cv_netdb_declares_h_errno,
2934 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2935 [[return h_errno;]])],
2936 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2937 if test $emacs_cv_netdb_declares_h_errno = yes; then
2938 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2941 # sqrt and other floating-point functions such as fmod and frexp
2942 # are found in -lm on most systems, but mingw32 doesn't use -lm.
2943 if test "${opsys}" != "mingw32"; then
2944 AC_CHECK_LIB(m, sqrt)
2947 # Check for mail-locking functions in a "mail" library. Probably this should
2948 # have the same check as for liblockfile below.
2949 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2950 if test $have_mail = yes; then
2952 LIBS="$LIBS_MAIL $LIBS"
2953 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2957 dnl Debian, at least:
2958 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2959 if test $have_lockfile = yes; then
2960 LIBS_MAIL=-llockfile
2961 LIBS="$LIBS_MAIL $LIBS"
2962 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2964 # If we have the shared liblockfile, assume we must use it for mail
2965 # locking (e.g. Debian). If we couldn't link against liblockfile
2966 # (no liblockfile.a installed), ensure that we don't need to.
2967 dnl This works for files generally, not just executables.
2968 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2969 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2970 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2971 if test $ac_cv_prog_liblockfile = yes; then
2972 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2973 This probably means that movemail could lose mail.
2974 There may be a `development' package to install containing liblockfile.])
2977 AC_CHECK_HEADERS_ONCE(maillock.h)
2980 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2981 ## interlock access to the mail spool. The alternative is a lock file named
2982 ## /usr/spool/mail/$USER.lock.
2985 aix4-2) mail_lock="lockf" ;;
2987 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2989 ## On GNU/Linux systems, both methods are used by various mail programs.
2990 ## I assume most people are using newer mailers that have heard of flock.
2991 ## Change this if you need to.
2992 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2993 ## configure gets the right answers, and that means *NOT* using flock.
2994 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2995 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2996 ## Debian maintainer hasn't provided a clean fix for Emacs.
2997 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2998 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2999 ## correct logic. -- fx
3000 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3001 ## liblockfile is a Free Software replacement for libmail, used on
3002 ## Debian systems and elsewhere. -rfr.
3005 if test $have_mail = yes || test $have_lockfile = yes; then
3006 test $ac_cv_header_maillock_h = yes && mail_lock=no
3012 case "$mail_lock" in
3013 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3015 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3017 *) BLESSMAIL_TARGET="need-blessmail" ;;
3019 AC_SUBST(BLESSMAIL_TARGET)
3022 AC_CHECK_FUNCS(gethostname \
3023 getrusage get_current_dir_name \
3025 select getpagesize setlocale \
3026 utimes getrlimit setrlimit shutdown getaddrinfo \
3027 strsignal setitimer \
3028 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3029 gai_strerror mkstemp getline getdelim fsync sync \
3030 difftime posix_memalign \
3031 getpwent endpwent getgrent endgrent \
3033 cfmakeraw cfsetspeed copysign __executable_start)
3035 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3036 ## has a broken `rint' in some library versions including math library
3037 ## version number A.09.05.
3038 ## You can fix the math library by installing patch number PHSS_4630.
3039 ## But we can fix it more reliably for Emacs by just not using rint.
3040 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3043 *) AC_CHECK_FUNCS(random rint) ;;
3046 dnl Cannot use AC_CHECK_FUNCS
3047 AC_CACHE_CHECK([for __builtin_unwind_init],
3048 emacs_cv_func___builtin_unwind_init,
3049 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3050 emacs_cv_func___builtin_unwind_init=yes,
3051 emacs_cv_func___builtin_unwind_init=no)])
3052 if test $emacs_cv_func___builtin_unwind_init = yes; then
3053 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3054 [Define to 1 if you have the `__builtin_unwind_init' function.])
3057 AC_CHECK_HEADERS_ONCE(sys/un.h)
3062 AC_CHECK_FUNCS(grantpt)
3064 # PTY-related GNU extensions.
3065 AC_CHECK_FUNCS(getpt posix_openpt)
3067 # Check this now, so that we will NOT find the above functions in ncurses.
3068 # That is because we have not set up to link ncurses in lib-src.
3069 # It's better to believe a function is not available
3070 # than to expect to find it in ncurses.
3071 # Also we need tputs and friends to be able to build at all.
3072 AC_MSG_CHECKING([for library containing tputs])
3073 # Run a test program that contains a call to tputs, a call that is
3074 # never executed. This tests whether a pre-'main' dynamic linker
3075 # works with the library. It's too much trouble to actually call
3076 # tputs in the test program, due to portability hassles. When
3077 # cross-compiling, assume the test program will run if it links.
3078 AC_DEFUN([tputs_link_source], [
3080 [[extern void tputs (const char *, int, int (*)(int));
3081 int main (int argc, char **argv)
3084 tputs (argv[0], 0, 0);
3088 if test "${opsys}" = "mingw32"; then
3091 # Maybe curses should be tried earlier?
3092 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3093 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3095 if test -z "$tputs_library"; then
3099 LIBS_TERMCAP=-l$tputs_library
3101 LIBS="$LIBS_TERMCAP $LIBS"
3103 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3104 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3106 if test "X$msg" != Xno; then
3111 AC_MSG_RESULT([$msg])
3112 if test "X$msg" = Xno; then
3113 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3114 The following libraries were tried (in order):
3115 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3116 Please try installing whichever of these libraries is most appropriate
3117 for your system, together with its header files.
3118 For example, a libncurses-dev(el) or similar package.])
3121 ## Use termcap instead of terminfo?
3122 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3124 ## FIXME? In the cases below where we unconditionally set
3125 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3126 ## if that was found above to have tputs.
3127 ## Should we use the gnu* logic everywhere?
3129 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3130 ## The ncurses library has been moved out of the System framework in
3131 ## Mac OS X 10.2. So if configure detects it, set the command-line
3132 ## option to use it.
3133 darwin) LIBS_TERMCAP="-lncurses" ;;
3135 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3138 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3139 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3140 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3141 [[#if __FreeBSD_version < 400000
3144 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3146 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3148 if test $emacs_cv_freebsd_terminfo = yes; then
3149 LIBS_TERMCAP="-lncurses"
3152 LIBS_TERMCAP="-ltermcap"
3162 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3164 LIBS_TERMCAP="-ltermcap"
3168 openbsd) LIBS_TERMCAP="-lncurses" ;;
3170 ## hpux: Make sure we get select from libc rather than from libcurses
3171 ## because libcurses on HPUX 10.10 has a broken version of select.
3172 ## We used to use -lc -lcurses, but this may be cleaner.
3173 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3174 # set that way, now it uses the default). Isn't this a contradiction?
3175 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3179 TERMCAP_OBJ=tparam.o
3180 if test $TERMINFO = yes; then
3181 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3182 TERMCAP_OBJ=terminfo.o
3184 AC_SUBST(LIBS_TERMCAP)
3185 AC_SUBST(TERMCAP_OBJ)
3188 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3189 # On Darwin, res_init appears not to be useful: see bug#562 and
3190 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3193 if test $opsys != darwin; then
3195 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3196 #include <arpa/nameser.h>
3197 #include <resolv.h>]],
3198 [[return res_init();]])],
3199 have_res_init=yes, have_res_init=no)
3200 if test "$have_res_init" = no; then
3202 LIBS="$LIBS -lresolv"
3203 AC_MSG_CHECKING(for res_init with -lresolv)
3204 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3205 #include <arpa/nameser.h>
3206 #include <resolv.h>]],
3207 [[return res_init();]])],
3208 have_res_init=yes, have_res_init=no)
3209 AC_MSG_RESULT($have_res_init)
3210 if test "$have_res_init" = yes ; then
3216 if test "$have_res_init" = yes; then
3217 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3221 # Do we need the Hesiod library to provide the support routines?
3222 dnl FIXME? Should we be skipping this on Darwin too?
3224 if test "$with_hesiod" != no ; then
3225 # Don't set $LIBS here -- see comments above. FIXME which comments?
3226 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3227 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3228 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3229 if test "$resolv" = yes ; then
3234 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3235 hesiod=yes, :, $RESOLVLIB)])
3237 if test x"$hesiod" = xyes; then
3238 AC_DEFINE(HAVE_LIBHESIOD, 1,
3239 [Define to 1 if you have the hesiod library (-lhesiod).])
3245 # Do we need libresolv (due to res_init or Hesiod)?
3246 if test "$resolv" = yes && test $opsys != darwin; then
3247 AC_DEFINE(HAVE_LIBRESOLV, 1,
3248 [Define to 1 if you have the resolv library (-lresolv).])
3255 # These tell us which Kerberos-related libraries to use.
3262 if test "${with_kerberos}" != no; then
3263 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3264 if test $have_com_err = yes; then
3265 COM_ERRLIB=-lcom_err
3266 LIBS="$COM_ERRLIB $LIBS"
3267 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3269 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3270 if test $have_crypto = yes; then
3272 LIBS="$CRYPTOLIB $LIBS"
3273 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3275 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3276 if test $have_k5crypto = yes; then
3277 CRYPTOLIB=-lk5crypto
3278 LIBS="$CRYPTOLIB $LIBS"
3279 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3281 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3282 if test $have_krb5=yes; then
3284 LIBS="$KRB5LIB $LIBS"
3285 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3287 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3288 if test "${with_kerberos5}" = no; then
3289 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3290 if test $have_des425 = yes; then
3292 LIBS="$DESLIB $LIBS"
3293 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3295 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3296 if test $have_des = yes; then
3298 LIBS="$DESLIB $LIBS"
3299 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3302 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3303 if test $have_krb4 = yes; then
3305 LIBS="$KRB4LIB $LIBS"
3306 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3308 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3309 if test $have_krb = yes; then
3311 LIBS="$KRB4LIB $LIBS"
3312 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3317 if test "${with_kerberos5}" != no; then
3318 AC_CHECK_HEADERS(krb5.h,
3319 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3320 [#include <krb5.h>])])
3322 AC_CHECK_HEADERS(des.h,,
3323 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3324 [AC_CHECK_HEADERS(kerberos/des.h)])])
3325 AC_CHECK_HEADERS(krb.h,,
3326 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3327 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3329 AC_CHECK_HEADERS(com_err.h)
3332 AC_SUBST(COM_ERRLIB)
3338 AC_CHECK_FUNCS_ONCE(tzset)
3339 AC_MSG_CHECKING(whether localtime caches TZ)
3340 AC_CACHE_VAL(emacs_cv_localtime_cache,
3341 [if test x$ac_cv_func_tzset = xyes; then
3342 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3343 char TZ_GMT0[] = "TZ=GMT0";
3344 char TZ_PST8[] = "TZ=PST8";
3347 time_t now = time ((time_t *) 0);
3348 int hour_GMT0, hour_unset;
3349 if (putenv (TZ_GMT0) != 0)
3351 hour_GMT0 = localtime (&now)->tm_hour;
3353 hour_unset = localtime (&now)->tm_hour;
3354 if (putenv (TZ_PST8) != 0)
3356 if (localtime (&now)->tm_hour == hour_GMT0)
3359 if (localtime (&now)->tm_hour != hour_unset)
3362 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3363 [# If we have tzset, assume the worst when cross-compiling.
3364 emacs_cv_localtime_cache=yes])
3366 # If we lack tzset, report that localtime does not cache TZ,
3367 # since we can't invalidate the cache if we don't have tzset.
3368 emacs_cv_localtime_cache=no
3370 AC_MSG_RESULT($emacs_cv_localtime_cache)
3371 if test $emacs_cv_localtime_cache = yes; then
3372 AC_DEFINE(LOCALTIME_CACHE, 1,
3373 [Define to 1 if localtime caches TZ.])
3377 AC_CHECK_FUNC(socket, , ok_so_far=no)
3378 if test $ok_so_far = yes; then
3379 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3381 if test $ok_so_far = yes; then
3382 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3384 if test $ok_so_far = yes; then
3385 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3386 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3387 [Define to 1 if you have inet sockets.])
3390 if test -f /usr/lpp/X11/bin/smt.exp; then
3391 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3392 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3395 AC_MSG_CHECKING(whether system supports dynamic ptys)
3396 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3398 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3403 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3404 dnl This can be removed once we assume Autoconf 2.70.
3406 *-solaris2.4 | *-solaris2.4.*)
3407 dnl Disable the Autoconf-generated vfork test.
3408 : ${ac_cv_func_vfork_works=no};;
3413 AC_CHECK_FUNCS(snprintf)
3415 dnl Adapted from Haible's version.
3416 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3417 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3418 [[char* cs = nl_langinfo(CODESET);]])],
3419 emacs_cv_langinfo_codeset=yes,
3420 emacs_cv_langinfo_codeset=no)
3422 if test $emacs_cv_langinfo_codeset = yes; then
3423 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3424 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3429 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3430 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3431 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3432 if test "$emacs_cv_c_restrict_arr" = yes; then
3433 AC_DEFINE(__restrict_arr, __restrict,
3434 [Define to compiler's equivalent of C99 restrict keyword in array
3435 declarations. Define as empty for no equivalent.])
3438 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3439 dnl how the tty code is related to POSIX and/or other versions of termios.
3440 dnl The following looks like a useful start.
3442 dnl AC_SYS_POSIX_TERMIOS
3443 dnl if test $ac_cv_sys_posix_termios = yes; then
3444 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3445 dnl and macros for terminal control.])
3446 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3449 dnl Turned on June 1996 supposing nobody will mind it.
3450 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3451 in the full name stands for the login id.])
3453 dnl Every platform that uses configure, except MinGW,
3454 dnl supports this. There is a create-lockfiles option you can
3455 dnl customize if you do not want the lock files to be written.
3456 dnl So it is not clear that this #define still needs to exist.
3457 if test "${opsys}" != "mingw32"; then
3458 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3459 so that Emacs can tell instantly when you try to modify a file that
3460 someone else has modified in his/her Emacs.])
3463 dnl Everybody supports this, except MS.
3464 dnl Seems like the kind of thing we should be testing for, though.
3465 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3466 if test "${opsys}" != "mingw32"; then
3467 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3470 dnl Everybody supports this, except MS-DOS.
3471 dnl Seems like the kind of thing we should be testing for, though.
3472 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3473 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3474 4.2-compatible sockets.])
3476 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3478 if test "${opsys}" = "mingw32"; then
3479 AC_DEFINE(NULL_DEVICE, ["NUL:"], [Name of the file to open to get
3480 a null file, or a data sink.])
3482 AC_DEFINE(NULL_DEVICE, ["/dev/null"], [Name of the file to open to get
3483 a null file, or a data sink.])
3486 if test "${opsys}" = "mingw32"; then
3487 AC_DEFINE(SEPCHAR, [';'], [Character that separates PATH elements.])
3489 AC_DEFINE(SEPCHAR, [':'], [Character that separates PATH elements.])
3492 dnl Everybody supports this, except MS-DOS.
3493 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3495 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3498 AC_DEFINE(DIRECTORY_SEP, ['/'],
3499 [Character that separates directories in a file name.])
3501 if test "${opsys}" = "mingw32"; then
3502 dnl Only used on MS platforms.
3503 AC_DEFINE(DEVICE_SEP, ':', [Character that separates a device in a file name.])
3504 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == DEVICE_SEP)],
3505 [Returns true if character is a device separator.])
3507 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3508 [Returns true if character is a directory separator.])
3510 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3511 [Returns true if character is any form of separator.])
3513 AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.])
3515 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3516 [Returns true if character is a device separator.])
3518 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3519 [Returns true if character is a directory separator.])
3521 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3522 [Returns true if character is any form of separator.])
3525 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3529 dnl Unfortunately without libXmu we cannot support EditRes.
3530 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3531 AC_DEFINE(NO_EDITRES, 1)
3536 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3537 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3538 AC_DEFINE(NO_EDITRES, 1)
3544 irix6-5 | sol2* | unixware )
3545 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3546 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3547 dnl need the constant to dimension an array. So wire in the appropriate
3549 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3553 emacs_broken_SIGIO=no
3556 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3557 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3558 hpux* | irix6-5 | openbsd | sol2* | unixware )
3559 emacs_broken_SIGIO=yes
3563 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3564 dnl the way this system works, libc functions that return malloced
3565 dnl memory use the libc malloc implementation. Calling xfree or
3566 dnl xrealloc on the results of such functions results in a crash.
3568 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3569 dnl but that does not currently work on this system.
3571 dnl It is possible to completely override the malloc implementation on
3572 dnl AIX, but that involves putting the malloc functions in a shared
3573 dnl library and setting the MALLOCTYPE environment variable to point to
3574 dnl that shared library.
3576 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3577 dnl to avoid a crash just use the Emacs implementation for that function.
3579 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3580 dnl of this file, so that we do not check for get_current_dir_name
3581 dnl on AIX. But that might be fragile if something else ends
3582 dnl up testing for get_current_dir_name as a dependency.
3583 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3584 get_current_dir_name should not be used.])
3588 dnl Circumvent a bug in FreeBSD. In the following sequence of
3589 dnl writes/reads on a PTY, read(2) returns bogus data:
3591 dnl write(2) 1022 bytes
3592 dnl write(2) 954 bytes, get EAGAIN
3593 dnl read(2) 1024 bytes in process_read_output
3594 dnl read(2) 11 bytes in process_read_output
3596 dnl That is, read(2) returns more bytes than have ever been written
3597 dnl successfully. The 1033 bytes read are the 1022 bytes written
3598 dnl successfully after processing (for example with CRs added if the
3599 dnl terminal is set up that way which it is here). The same bytes will
3600 dnl be seen again in a later read(2), without the CRs.
3601 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3602 work around an issue when reading from a PTY.])
3608 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3609 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3614 darwin | freebsd | netbsd | openbsd )
3615 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3616 close a pty to make it a controlling terminal (it is already a
3617 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3621 dnl FIXME Surely we can test for this rather than hard-code it.
3623 netbsd | openbsd) sound_device="/dev/audio" ;;
3624 *) sound_device="/dev/dsp" ;;
3628 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3629 [Name of the default sound device.])
3632 dnl Emacs can read input using SIGIO and buffering characters itself,
3633 dnl or using CBREAK mode and making C-g cause SIGINT.
3634 dnl The choice is controlled by the variable interrupt_input.
3636 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3638 dnl Emacs uses the presence of the USABLE_SIGIO macro
3639 dnl to indicate whether or not signal-driven I/O is possible. It uses
3640 dnl INTERRUPT_INPUT to decide whether to use it by default.
3642 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3643 dnl CBREAK mode has two disadvantages
3644 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3645 dnl I hear that in system V this problem does not exist.
3646 dnl 2) Control-G causes output to be discarded.
3647 dnl I do not know whether this can be fixed in system V.
3649 dnl Another method of doing input is planned but not implemented.
3650 dnl It would have Emacs fork off a separate process
3651 dnl to read the input and send it to the true Emacs process
3654 darwin | gnu-linux | gnu-kfreebsd )
3655 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3660 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3661 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3662 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3663 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3664 dnl taking float or double parameters.
3666 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3667 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3668 file defines `NeedWidePrototypes' as `NO'.])
3673 dnl Used in process.c, this must be a loop, even if it only runs once.
3674 dnl (Except on SGI; see below. Take that, clarity and consistency!)
3675 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
3676 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
3677 dnl trying suffixes 0-16.
3678 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
3679 first PTY, if PTYs are supported.])
3680 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
3681 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
3682 end of a PTY, if non-standard.])
3683 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
3684 end of a PTY, if non-standard.])
3688 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
3689 dnl You allocate a pty by opening /dev/ptc to get the master side.
3690 dnl To get the name of the slave side, you just ttyname() the master side.
3691 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
3692 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
3696 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3697 dnl multi-line AC_DEFINEs are hard. :(
3698 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)])
3699 AC_DEFINE(PTY_NAME_SPRINTF, [])
3700 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3703 dnl FIXME? Maybe use same as freebsd - see bug#12040.
3705 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3706 dnl Not used, because PTY_ITERATION is defined.
3707 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3708 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
3709 dnl But we don't have to block SIGCHLD because it is blocked in the
3710 dnl implementation of grantpt.
3711 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
3712 AC_DEFINE(PTY_NAME_SPRINTF, [])
3713 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3717 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3720 gnu-linux | gnu-kfreebsd | freebsd | netbsd )
3722 if test "x$ac_cv_func_grantpt" = xyes; then
3723 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
3724 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3725 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
3726 dnl to prevent sigchld_handler from intercepting the child's death.
3727 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); }])
3728 dnl if HAVE_POSIX_OPENPT
3729 if test "x$ac_cv_func_posix_openpt" = xyes; then
3730 AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
3731 AC_DEFINE(PTY_NAME_SPRINTF, [])
3733 elif test "x$ac_cv_func_getpt" = xyes; then
3734 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
3735 AC_DEFINE(PTY_NAME_SPRINTF, [])
3737 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3740 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3745 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3746 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
3747 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
3751 dnl It looks like this cannot be right, because it is not a loop.
3752 dnl However, process.c actually does this:
3758 dnl which presumably makes it OK, since irix == sgi (?).
3759 dnl FIXME it seems like this special treatment is unnecessary?
3760 dnl Why can't irix use a single-trip loop like eg cygwin?
3761 AC_DEFINE(PTY_ITERATION, [])
3762 dnl Not used, because PTY_ITERATION is defined.
3763 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
3764 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(SIGCLD, &cstat, &ocstat); name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCLD, &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); }])
3765 dnl No need to get the pty name at all.
3766 AC_DEFINE(PTY_NAME_SPRINTF, [])
3767 dnl No need to use sprintf to get the tty name--we get that from _getpty.
3768 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3772 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
3773 dnl from intercepting that death. If any child but grantpt's should die
3774 dnl within, it should be caught after sigrelse(2).
3775 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCLD); 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); }])
3779 dnl Comments are as per sol2*.
3780 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCLD); 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); }])
3787 dnl This change means that we don't loop through allocate_pty too
3788 dnl many times in the (rare) event of a failure.
3789 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
3790 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3791 dnl Push various streams modules onto a PTY channel. Used in process.c.
3792 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.])
3797 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
3798 "typing" a signal character on the pty.])
3801 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
3802 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
3803 aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd )
3804 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3807 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
3808 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
3809 gnu-linux | gnu-kfreebsd )
3811 AC_MSG_CHECKING([for signals via characters])
3812 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3813 #include <linux/version.h>
3814 #if LINUX_VERSION_CODE < 0x20400
3815 # error "Linux version too old"
3817 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
3819 AC_MSG_RESULT([$emacs_signals_via_chars])
3820 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3825 dnl Used in vm-limit.c
3826 AH_TEMPLATE(DATA_START, [Address of the start of the data segment.])
3827 dnl Used in lisp.h, emacs.c, mem-limits.h
3828 dnl NEWS.18 describes this as "a number which contains
3829 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
3830 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
3831 stored in a Lisp_Object.])
3832 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
3836 dnl libc defines data_start.
3837 AC_DEFINE(DATA_START, [({ extern int data_start; (char *) &data_start; })])
3841 dnl The data segment on this machine always starts at address 0x40000000.
3842 AC_DEFINE(DATA_START, [0x40000000])
3843 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
3846 AC_DEFINE(DATA_START, [0x10000000])
3847 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
3852 AH_TEMPLATE(ULIMIT_BREAK_VALUE, [Undocumented.])
3853 AH_TEMPLATE(TAB3, [Undocumented.])
3856 darwin) AC_DEFINE(TAB3, OXTABS) ;;
3858 gnu | freebsd | netbsd | openbsd )
3859 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
3860 AC_DEFINE(TAB3, OXTABS)
3863 gnu-linux | gnu-kfreebsd )
3864 dnl libc-linux/sysdeps/linux/i386/ulimit.c says that due to shared
3865 dnl library, we cannot get the maximum address for brk.
3866 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3870 ]], [[]])], AC_DEFINE(ULIMIT_BREAK_VALUE, [(32*1024*1024)]), [])
3872 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3876 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
3877 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (0)],
3878 [Mark a secondary stack, like the register stack on the ia64.]), [])
3882 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
3883 run_time_remap; for HPUX.])
3887 dnl Ulimit(UL_GMEMLIM) is busted...
3888 AC_DEFINE(ULIMIT_BREAK_VALUE, [0x14000000])
3893 dnl These won't be used automatically yet. We also need to know, at least,
3894 dnl that the stack is continuous.
3895 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
3896 registers relevant for conservative garbage collection in the jmp_buf.])
3898 AH_TEMPLATE(GC_MARK_STACK, [Define to GC_USE_GCPROS_AS_BEFORE if
3899 conservative garbage collection is not known to work.])
3903 aix4-2 | hpux* | unixware)
3904 dnl Conservative garbage collection has not been tested, so for now
3905 dnl play it safe and stick with the old-fashioned way of marking.
3906 AC_DEFINE(GC_MARK_STACK, [GC_USE_GCPROS_AS_BEFORE])
3909 dnl Not all the architectures are tested, but there are Debian packages
3910 dnl for SCM and/or Guile on them, so the technique must work. See also
3911 dnl comments in alloc.c concerning setjmp and gcc.
3912 dnl Fixme: it's probably safe to just use the GCC conditional below.
3913 gnu-linux | gnu-kfreebsd )
3914 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3915 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
3916 || defined __alpha__ || defined __mips__ || defined __s390__ \
3917 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
3918 || defined __ia64__ || defined __sh__
3921 # error "setjmp not known to work on this arch"
3923 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1),
3924 AC_DEFINE(GC_MARK_STACK, [GC_USE_GCPROS_AS_BEFORE]) )
3929 if test x$GCC = xyes; then
3930 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
3931 AC_DEFINE(GC_SETJMP_WORKS, 1)
3934 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
3935 freebsd | netbsd | openbsd | irix6-5 | sol2* )
3936 AC_DEFINE(GC_SETJMP_WORKS, 1)
3941 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
3942 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
3945 [[#include <setjmp.h>
3947 # define _longjmp longjmp
3952 _longjmp (j, 1);]])],
3953 [emacs_cv_func__setjmp=yes],
3954 [emacs_cv_func__setjmp=no])])
3955 if test $emacs_cv_func__setjmp = yes; then
3956 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
3958 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
3961 [[#include <setjmp.h>
3964 if (! sigsetjmp (j, 1))
3965 siglongjmp (j, 1);]])],
3966 [emacs_cv_func_sigsetjmp=yes],
3967 [emacs_cv_func_sigsetjmp=no])])
3968 if test $emacs_cv_func_sigsetjmp = yes; then
3969 AC_DEFINE([HAVE_SIGSETJMP], 1,
3970 [Define to 1 if sigsetjmp and siglongjmp work.
3971 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
3977 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
3978 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
3979 dnl and this is all we need.
3980 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
3987 dnl Used in xfaces.c.
3988 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
3989 some systems, where it requires time.h.])
3994 dnl Define symbols to identify the version of Unix this is.
3995 dnl Define all the symbols that apply correctly.
3996 AH_TEMPLATE(BSD4_2, [Define if the system is compatible with BSD 4.2.])
3997 AH_TEMPLATE(BSD_SYSTEM, [Define if the system is compatible with BSD 4.2.])
3998 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
3999 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4000 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4001 AH_TEMPLATE(USG5, [Define if the system is compatible with System V.])
4002 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4008 dnl This symbol should be defined on AIX Version 3 ???????
4009 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4011 # error "_AIX not defined"
4013 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4017 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4021 dnl BSD4_3 and BSD4_4 are already defined in sys/param.h.
4022 AC_DEFINE(BSD4_2, [])
4023 AC_DEFINE(BSD_SYSTEM, [])
4024 dnl More specific than the above two. We cannot use __APPLE__ as this
4025 dnl may not be defined on non-OSX Darwin, and we cannot define DARWIN
4026 dnl here because Panther and lower CoreFoundation.h uses DARWIN to
4027 dnl distinguish OS X from pure Darwin.
4028 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4032 AC_DEFINE(BSD4_2, [])
4033 dnl Hack to avoid calling AC_PREPROC_IFELSE multiple times.
4034 dnl Would not be needed with autoconf >= 2.67, where the
4035 dnl preprocessed output is accessible in "conftest.i".
4036 AC_DEFINE(BSD_SYSTEM_AHB, 1, [Define if AH_BOTTOM should change BSD_SYSTEM.])
4039 gnu | netbsd | openbsd )
4040 AC_DEFINE(BSD4_2, [])
4041 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4043 # error "BSD_SYSTEM not defined"
4045 ]], [[]])], [], AC_DEFINE(BSD_SYSTEM, 43) )
4048 gnu-linux | gnu-kfreebsd )
4050 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4056 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4062 AC_DEFINE(USG5_4, [])
4063 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4067 AC_DEFINE(DOS_NT, [])
4068 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4074 AC_DEFINE(USG5_4, [])
4075 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4081 AC_DEFINE(USG5_4, [])
4085 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4088 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4089 emacs_cv_usable_FIONREAD=no
4093 emacs_cv_usable_FIONREAD=yes
4098 [AC_LANG_PROGRAM([[#include <sys/types.h>
4099 #include <sys/ioctl.h>
4101 # include <sys/filio.h>
4104 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4105 [emacs_cv_usable_FIONREAD=yes],
4106 [emacs_cv_usable_FIONREAD=no])
4109 if test $emacs_cv_usable_FIONREAD = yes; then
4110 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4112 if test $emacs_broken_SIGIO = no; then
4113 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4115 [AC_LANG_PROGRAM([[#include <fcntl.h>
4118 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4119 [emacs_cv_usable_SIGIO=yes],
4120 [emacs_cv_usable_SIGIO=no])],
4121 [emacs_cv_usable_SIGIO=yes],
4122 [emacs_cv_usable_SIGIO=no])
4123 if test $emacs_cv_usable_SIGIO = yes; then
4124 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4131 dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls
4132 dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
4133 dnl As malloc is not the Cygwin malloc, the Cygwin memalign always
4134 dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
4136 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4137 G_SLICE environment variable to "always-malloc" at startup, if
4142 dnl It works to open the pty's tty in the parent (Emacs), then
4143 dnl close and reopen it in the child.
4144 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4145 works to open a pty's tty in the parent process, then close and
4146 reopen it in the child.])
4150 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4151 use VSUSP instead of VSWTCH.])
4155 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4160 # Set up the CFLAGS for real compilation, so we can substitute it.
4161 CFLAGS="$REAL_CFLAGS"
4162 CPPFLAGS="$REAL_CPPFLAGS"
4164 ## Hack to detect a buggy GCC version.
4165 if test "x$GCC" = xyes \
4166 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4167 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4168 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4169 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4172 version=$PACKAGE_VERSION
4174 copyright="Copyright (C) 2012 Free Software Foundation, Inc."
4175 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4176 [Short copyright string for this version of Emacs.])
4179 ### Specify what sort of things we'll be editing into Makefile and config.h.
4180 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4182 AC_SUBST(configuration)
4187 AC_SUBST(exec_prefix)
4190 AC_SUBST(sharedstatedir)
4191 AC_SUBST(libexecdir)
4196 AC_SUBST(standardlisppath)
4197 AC_SUBST(locallisppath)
4199 AC_SUBST(x_default_search_path)
4201 AC_SUBST(archlibdir)
4206 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4207 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4208 ## end of LIBX_BASE, but nothing ever set it.
4209 AC_SUBST(LD_SWITCH_X_SITE)
4210 AC_SUBST(C_SWITCH_X_SITE)
4211 AC_SUBST(GNUSTEP_CFLAGS)
4213 ## Used in lwlib/Makefile.in.
4214 AC_SUBST(X_TOOLKIT_TYPE)
4216 AC_SUBST(ns_appbindir)
4217 AC_SUBST(ns_appresdir)
4219 AC_SUBST(GNU_OBJC_CFLAGS)
4220 AC_SUBST(OTHER_FILES)
4222 if test -n "${term_header}"; then
4223 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4224 [Define to the header for the built-in window system.])
4227 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4228 [Define to the canonical Emacs configuration name.])
4229 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
4230 [Define to the options passed to configure.])
4231 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4232 define this to include extra configuration information.])
4237 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4238 AC_DEFINE(HAVE_X_WINDOWS, 1,
4239 [Define to 1 if you want to use the X window system.])
4241 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
4243 if test "$HAVE_XFT" = "yes"; then
4244 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4245 elif test "$HAVE_FREETYPE" = "yes"; then
4246 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4256 if test "${USE_X_TOOLKIT}" != "none" ; then
4258 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4259 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4260 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4261 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4262 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4266 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4267 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4271 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4272 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4273 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4277 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4278 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4281 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4284 AC_SUBST(WIDGET_OBJ)
4287 case "$USE_X_TOOLKIT" in
4288 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4289 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4290 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4292 AC_SUBST(TOOLKIT_LIBW)
4294 if test "${opsys}" != "mingw32"; then
4295 if test "$USE_X_TOOLKIT" = "none"; then
4296 LIBXT_OTHER="\$(LIBXSM)"
4297 OLDXMENU_TARGET="really-oldXMenu"
4299 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4300 OLDXMENU_TARGET="really-lwlib"
4303 AC_SUBST(LIBXT_OTHER)
4305 ## The X Menu stuff is present in the X10 distribution, but missing
4306 ## from X11. If we have X10, just use the installed library;
4307 ## otherwise, use our own copy.
4308 if test "${HAVE_X11}" = "yes" ; then
4309 AC_DEFINE(HAVE_X11, 1,
4310 [Define to 1 if you want to use version 11 of X windows.
4311 Otherwise, Emacs expects to use version 10.])
4313 if test "$USE_X_TOOLKIT" = "none"; then
4314 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4316 OLDXMENU="\${lwlibdir}/liblw.a"
4318 LIBXMENU="\$(OLDXMENU)"
4319 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4320 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4322 ## For a syntactically valid Makefile; not actually used for anything.
4323 ## See comments in src/Makefile.in.
4325 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4326 if test "${HAVE_X_WINDOWS}" = "yes"; then
4335 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4342 AC_SUBST(OLDXMENU_TARGET)
4345 AC_SUBST(LIBX_OTHER)
4346 AC_SUBST(OLDXMENU_DEPS)
4348 if test "${HAVE_MENUS}" = "yes" ; then
4349 AC_DEFINE(HAVE_MENUS, 1,
4350 [Define to 1 if you have mouse menus.
4351 (This is automatic if you use X, but the option to specify it remains.)
4352 It is also defined with other window systems that support xmenu.c.])
4355 if test "${GNU_MALLOC}" = "yes" ; then
4356 AC_DEFINE(GNU_MALLOC, 1,
4357 [Define to 1 if you want to use the GNU memory allocator.])
4361 if test "${REL_ALLOC}" = "yes" ; then
4362 AC_DEFINE(REL_ALLOC, 1,
4363 [Define REL_ALLOC if you want to use the relocating allocator for
4366 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4368 AC_SUBST(RALLOC_OBJ)
4370 if test "$opsys" = "cygwin"; then
4371 CYGWIN_OBJ="sheap.o cygw32.o"
4372 ## Cygwin differs because of its unexec().
4374 POST_ALLOC_OBJ=lastfile.o
4375 elif test "$opsys" = "mingw32"; then
4378 POST_ALLOC_OBJ=lastfile.o
4381 PRE_ALLOC_OBJ=lastfile.o
4384 AC_SUBST(CYGWIN_OBJ)
4385 AC_SUBST(PRE_ALLOC_OBJ)
4386 AC_SUBST(POST_ALLOC_OBJ)
4388 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4389 # it temporarily reverts them to their pre-pkg-config values,
4390 # because gnulib needs to work with both src (which uses the
4391 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4392 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4393 # and it therefore needs to run in an environment where LIBS does not
4394 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4395 # for some package unrelated to lib-src.
4398 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4399 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4400 gl_ASSERT_NO_GNULIB_POSIXCHECK
4401 gl_ASSERT_NO_GNULIB_TESTS
4406 if test "${opsys}" = "mingw32"; then
4407 CPPFLAGS="-DUSE_CRT_DLL=1 -I../nt/inc"
4408 # Remove unneeded switches from the value of CC that goes to Makefiles
4409 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4413 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4416 ## The -headerpad option tells ld (see man page) to leave room at the
4417 ## end of the header for adding load commands. Needed for dumping.
4418 ## 0x690 is the total size of 30 segment load commands (at 56
4419 ## each); under Cocoa 31 commands are required.
4420 if test "$HAVE_NS" = "yes"; then
4421 libs_nsgui="-framework AppKit"
4427 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4429 ## This is here because src/Makefile.in did some extra fiddling around
4430 ## with LD_SWITCH_SYSTEM. The cpp logic was:
4431 ## #ifndef LD_SWITCH_SYSTEM
4432 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
4433 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
4434 ## not using gcc, darwin.
4435 ## Because this was done in src/Makefile.in, the resulting part of
4436 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
4437 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
4438 ## rather than LD_SWITCH_SYSTEM.
4439 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4440 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4443 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4444 ## find X at run-time.
4445 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4446 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4447 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4448 ## had different values in configure (in ac_link) and src/Makefile.in.
4449 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4450 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4453 LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-subsystem,console -Wl,-entry,__start -Wl,-Map,./temacs.map"
4456 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4459 if test "$NS_IMPL_GNUSTEP" = "yes"; then
4460 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
4463 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4469 ## gnu: GNU needs its own crt0.
4470 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|mingw32|sol2*|unixware) ORDINARY_LINK=yes ;;
4472 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
4473 ## library search parth, i.e. it won't search /usr/lib for libc and
4474 ## friends. Using -nostartfiles instead avoids this problem, and
4475 ## will also work on earlier NetBSD releases.
4476 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
4478 ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
4479 ## MkLinux/LinuxPPC needs this.
4480 ## s390x-* only supports opsys = gnu-linux so it can be added here.
4482 case "$canonical" in
4483 powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;;
4489 if test "x$ORDINARY_LINK" = "xyes"; then
4492 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
4494 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
4495 ## freebsd, gnu-* not on powerpc*|s390x*.
4496 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
4498 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
4499 ## places that are difficult to figure out at make time. Fortunately,
4500 ## these same versions allow you to pass arbitrary flags on to the
4501 ## linker, so there is no reason not to use it as a linker.
4503 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
4504 ## searching for libraries in its internal directories, so we have to
4505 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
4506 LD_FIRSTFLAG="-nostdlib"
4509 ## FIXME? What setting of EDIT_LDFLAGS should this have?
4510 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
4512 AC_SUBST(LD_FIRSTFLAG)
4515 ## FIXME? The logic here is not precisely the same as that above.
4516 ## There is no check here for a pre-defined LD_FIRSTFLAG.
4517 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
4519 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
4522 freebsd|netbsd|openbsd) LIB_GCC= ;;
4525 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
4526 ## build on ARM EABI under GNU/Linux. (Bug#5518)
4532 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
4533 ## immediately undefine it again and redefine it to empty.
4534 ## Was the C_SWITCH_X_SITE part really necessary?
4535 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
4541 ## Ask GCC where to find libgcc.a.
4542 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
4547 ## Common for all window systems
4548 if test "$window_system" != "none"; then
4549 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4550 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
4551 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4554 AC_SUBST(WINDOW_SYSTEM_OBJ)
4556 AH_TOP([/* GNU Emacs site configuration template file.
4558 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
4559 Free Software Foundation, Inc.
4561 This file is part of GNU Emacs.
4563 GNU Emacs is free software: you can redistribute it and/or modify
4564 it under the terms of the GNU General Public License as published by
4565 the Free Software Foundation, either version 3 of the License, or
4566 (at your option) any later version.
4568 GNU Emacs is distributed in the hope that it will be useful,
4569 but WITHOUT ANY WARRANTY; without even the implied warranty of
4570 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4571 GNU General Public License for more details.
4573 You should have received a copy of the GNU General Public License
4574 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4577 /* No code in Emacs #includes config.h twice, but some bits of code
4578 intended to work with other packages as well (like gmalloc.c)
4579 think they can include it as many times as they like. */
4580 #ifndef EMACS_CONFIG_H
4581 #define EMACS_CONFIG_H
4584 AH_BOTTOM([#include <conf_post.h>
4586 #endif /* EMACS_CONFIG_H */
4595 #### Report on what we decided to do.
4596 #### Report GTK as a toolkit, even if it doesn't use Xt.
4597 #### It makes printing result more understandable as using GTK sets
4598 #### toolkit_scroll_bars to yes by default.
4599 if test "${HAVE_GTK}" = "yes"; then
4600 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4604 Configured for \`${canonical}'.
4606 Where should the build process find the source code? ${srcdir}
4607 What compiler should emacs be built with? ${CC} ${CFLAGS}
4608 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4609 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4610 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4611 What window system should Emacs use? ${window_system}
4612 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4614 if test -n "${x_includes}"; then
4615 echo " Where do we find X Windows header files? ${x_includes}"
4617 echo " Where do we find X Windows header files? Standard dirs"
4619 if test -n "${x_libraries}"; then
4620 echo " Where do we find X Windows libraries? ${x_libraries}"
4622 echo " Where do we find X Windows libraries? Standard dirs"
4625 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4626 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4627 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4628 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4629 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4630 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4631 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4632 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4634 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4635 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4636 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4637 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4638 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4639 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4640 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4642 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4643 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4644 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4645 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4647 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4650 if test -n "${EMACSDATA}"; then
4651 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4653 if test -n "${EMACSDOC}"; then
4654 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4659 if test "$HAVE_NS" = "yes"; then
4661 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4662 The installed application will go to nextstep/Emacs.app and can be
4663 run or moved from there."
4664 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4665 echo "The application will be fully self-contained."
4667 echo "The lisp resources for the application will be installed under ${prefix}.
4668 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4669 to run if these resources are not installed."
4674 if test "${opsys}" = "cygwin"; then
4676 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4682 # Remove any trailing slashes in these variables.
4683 [test "${prefix}" != NONE &&
4684 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4685 test "${exec_prefix}" != NONE &&
4686 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4688 if test "$HAVE_NS" = "yes"; then
4689 if test "$NS_IMPL_GNUSTEP" = yes; then
4690 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4691 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4693 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4694 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4698 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4699 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4700 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4701 dnl (else you get "no `Makefile.am' found for any configure output").
4702 dnl This will work, but you get a config.status that is not quite right
4703 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4704 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4705 dnl it seems better to just live with the duplication.
4706 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"
4708 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4709 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4710 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4711 leim/Makefile nextstep/Makefile])
4713 dnl test/ is not present in release tarfiles.
4714 opt_makefile=test/automated/Makefile
4716 if test -f $srcdir/${opt_makefile}.in; then
4717 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4718 dnl Again, it's best not to use a variable. Though you can add
4719 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4720 AC_CONFIG_FILES([test/automated/Makefile])
4724 dnl admin/ may or may not be present.
4725 opt_makefile=admin/unidata/Makefile
4727 if test -f $srcdir/${opt_makefile}.in; then
4728 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4729 AC_CONFIG_FILES([admin/unidata/Makefile])
4733 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4735 AC_SUBST(SUBDIR_MAKEFILES_IN)
4737 dnl Make the necessary directories, if they don't exist.
4738 AC_CONFIG_COMMANDS([mkdirs], [
4739 for dir in etc lisp ; do
4740 test -d ${dir} || mkdir ${dir}
4744 dnl You might wonder (I did) why epaths.h is generated by running make,
4745 dnl rather than just letting configure generate it from epaths.in.
4746 dnl One reason is that the various paths are not fully expanded (see above);
4747 dnl eg gamedir=${prefix}/var/games/emacs.
4748 dnl Secondly, the GNU Coding standards require that one should be able
4749 dnl to run `make prefix=/some/where/else' and override the values set
4750 dnl by configure. This also explains the `move-if-change' test and
4751 dnl the use of force in the `epaths-force' rule in Makefile.in.
4752 AC_CONFIG_COMMANDS([epaths], [
4753 echo creating src/epaths.h
4754 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4755 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
4757 AC_CONFIG_COMMANDS([gdbinit], [
4758 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
4759 echo creating src/.gdbinit
4760 echo source $srcdir/src/.gdbinit > src/.gdbinit