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 "${enableval}" != "no"; then
327 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
328 [Define this to enable compile time checks for the Lisp_Object data type.])
332 AC_ARG_ENABLE(profiling,
333 [AS_HELP_STRING([--enable-profiling],
334 [build emacs with profiling support.
335 This might not work on all platforms])],
336 [ac_enable_profiling="${enableval}"],[])
337 if test x$ac_enable_profiling != x ; then
338 PROFILING_CFLAGS="-DPROFILING=1 -pg"
342 AC_SUBST(PROFILING_CFLAGS)
344 AC_ARG_ENABLE(autodepend,
345 [AS_HELP_STRING([--enable-autodepend],
346 [automatically generate dependencies to .h-files.
347 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
349 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
351 #### Make srcdir absolute, if it isn't already. It's important to
352 #### avoid running the path through pwd unnecessarily, since pwd can
353 #### give you automounter prefixes, which can go away. We do all this
354 #### so Emacs can find its files when run uninstalled.
355 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
358 [[\\/]]* | ?:[[\\/]]*) ;;
360 ## We may be able to use the $PWD environment variable to make this
361 ## absolute. But sometimes PWD is inaccurate.
362 ## Note: we used to use ${PWD} at the end instead of `pwd`,
363 ## but that tested only for a well-formed and valid PWD,
364 ## it did not object when PWD was well-formed and valid but just wrong.
365 if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`" ;
369 srcdir="`(cd ${srcdir}; pwd)`"
372 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
375 ### Canonicalize the configuration name.
379 configuration=${host_alias-${build_alias-$host}}
381 dnl This used to use changequote, but, apart from `changequote is evil'
382 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
383 dnl the great gob of text. Thus it's not processed for possible expansion.
384 dnl Just make sure the brackets remain balanced.
386 dnl Since Emacs can't find matching pairs of quotes, boundaries are
387 dnl indicated by comments.
391 ### If you add support for a new configuration, add code to this
392 ### switch statement to recognize your configuration name and select
393 ### the appropriate operating system file.
395 ### You would hope that you could choose an s/*.h
396 ### file based on the operating system portion. However, it turns out
397 ### that each s/*.h file is pretty manufacturer-specific.
398 ### So we basically have to have a special case for each
399 ### configuration name.
401 ### As far as handling version numbers on operating systems is
402 ### concerned, make sure things will fail in a fixable way. If
403 ### /etc/MACHINES doesn't say anything about version numbers, be
404 ### prepared to handle anything reasonably. If version numbers
405 ### matter, be sure /etc/MACHINES says something about it.
408 case "${canonical}" in
410 ## GNU/Linux and similar ports
420 ## FreeBSD kernel + glibc based userland
435 ## Apple Darwin / Mac OS X
437 case "${canonical}" in
444 ## Use fink packages if available.
445 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
446 ## if test -d /sw/include && test -d /sw/lib; then
447 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
448 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
452 ## HP 9000 series 700 and 800, running HP/UX
456 hppa*-hp-hpux1[1-9]* )
458 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
462 rs6000-ibm-aix4.[23]* )
465 powerpc-ibm-aix4.[23]* )
468 rs6000-ibm-aix[56]* )
471 powerpc-ibm-aix[56]* )
475 ## Silicon Graphics machines
479 # Without defining _LANGUAGE_C, things get masked out in the headers
480 # so that, for instance, grepping for `free' in stdlib.h fails and
481 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
482 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
487 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
488 | x86_64-*-solaris2* | x86_64-*-sunos5*)
489 case "${canonical}" in
491 amd64-*-*|x86_64-*-*) ;;
495 case "${canonical}" in
496 *-sunos5.6* | *-solaris2.6* )
500 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
502 emacs_check_sunpro_c=yes
504 *-sunos5* | *-solaris* )
506 emacs_check_sunpro_c=yes
509 ## Watch out for a compiler that we know will not work.
510 case "${canonical}" in
511 *-solaris* | *-sunos5* )
512 if [ "x$CC" = x/usr/ucb/cc ]; then
513 ## /usr/ucb/cc doesn't work;
514 ## we should find some other compiler that does work.
522 ## Intel 386 machines where we don't care about the manufacturer.
524 case "${canonical}" in
525 *-cygwin ) opsys=cygwin ;;
526 *-darwin* ) opsys=darwin ;;
529 CFLAGS="-mtune=pentium4 $CFLAGS"
531 *-sysv4.2uw* ) opsys=unixware ;;
532 *-sysv5uw* ) opsys=unixware ;;
533 *-sysv5OpenUNIX* ) opsys=unixware ;;
534 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
543 ### If the code above didn't choose an operating system, just choose
544 ### an operating system based on the configuration name. You really
545 ### only want to use this when you have no idea what the right
546 ### operating system is; if you know what operating systems a machine
547 ### runs, it's cleaner to make it explicit in the case statement
549 if test x"${opsys}" = x; then
550 case "${canonical}" in
551 *-gnu* ) opsys=gnu ;;
561 if test $unported = yes; then
562 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
563 Check `etc/MACHINES' for recognized configuration names.])
567 #### Choose a compiler.
569 dnl Sets GCC=yes if using gcc.
573 if test x$GCC = xyes; then
574 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
576 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
579 # Avoid gnulib's tests for O_NOATIME and O_NOFOLLOW, as we don't use them.
580 AC_DEFUN([gl_FCNTL_O_FLAGS])
581 # Avoid gnulib's threadlib module, as we do threads our own way.
582 AC_DEFUN([gl_THREADLIB])
584 # Initialize gnulib right after choosing the compiler.
585 dnl Amongst other things, this sets AR and ARFLAGS.
588 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
589 # if -g3 works and the user does not specify CFLAGS.
590 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
591 if test "$ac_test_CFLAGS" != set; then
594 emacs_g3_CFLAGS='-g3';;
596 emacs_g3_CFLAGS='-g3 -O2';;
600 if test -n "$emacs_g3_CFLAGS"; then
601 emacs_save_CFLAGS=$CFLAGS
602 CFLAGS=$emacs_g3_CFLAGS
603 if test $opsys = mingw32; then
604 CFLAGS="$CFLAGS -gdwarf-2"
606 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
607 [emacs_cv_prog_cc_g3],
608 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
609 [emacs_cv_prog_cc_g3=yes],
610 [emacs_cv_prog_cc_g3=no])])
611 if test $emacs_cv_prog_cc_g3 = yes; then
612 CFLAGS=$emacs_g3_CFLAGS
614 CFLAGS=$emacs_save_CFLAGS
619 AC_ARG_ENABLE([gcc-warnings],
620 [AS_HELP_STRING([--enable-gcc-warnings],
621 [turn on lots of GCC warnings. This is intended for
622 developers, and may generate false alarms when used
623 with older or non-GNU development tools.])],
626 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
628 gl_gcc_warnings=$enableval],
632 AC_ARG_ENABLE(link-time-optimization,
633 [AS_HELP_STRING([--enable-link-time-optimization],
634 [build emacs with link-time optimization.
635 This is supported only for GCC since 4.5.0.])],
636 if test "${enableval}" != "no"; then
637 AC_MSG_CHECKING([whether link-time optimization is supported])
639 if test x$GCC = xyes; then
640 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
641 if test x$CPUS != x; then
647 CFLAGS="$CFLAGS $LTO"
648 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
649 [ac_lto_supported=yes], [ac_lto_supported=no])
652 AC_MSG_RESULT([$ac_lto_supported])
653 if test "$ac_lto_supported" = "yes"; then
654 CFLAGS="$CFLAGS $LTO"
658 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
659 # ------------------------------------------------
660 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
661 # Otherwise, run RUN-IF-NOT-FOUND.
662 AC_DEFUN([gl_GCC_VERSION_IFELSE],
666 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
669 # error "your version of gcc is older than $1.$2"
676 # When compiling with GCC, prefer -isystem to -I when including system
677 # include files, to avoid generating useless diagnostics for the files.
678 if test "$gl_gcc_warnings" != yes; then
683 # This, $nw, is the list of warnings we disable.
686 case $with_x_toolkit in
687 lucid | athena | motif)
688 # Old toolkits mishandle 'const'.
689 nw="$nw -Wwrite-strings"
692 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
695 AC_SUBST([WERROR_CFLAGS])
697 nw="$nw -Waggregate-return" # anachronistic
698 nw="$nw -Wlong-long" # C90 is anachronistic
699 nw="$nw -Wc++-compat" # We don't care about C++ compilers
700 nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
701 nw="$nw -Wtraditional" # Warns on #elif which we use often
702 nw="$nw -Wcast-qual" # Too many warnings for now
703 nw="$nw -Wconversion" # Too many warnings for now
704 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
705 nw="$nw -Wsign-conversion" # Too many warnings for now
706 nw="$nw -Woverlength-strings" # Not a problem these days
707 nw="$nw -Wtraditional-conversion" # Too many warnings for now
708 nw="$nw -Wunreachable-code" # so buggy that it's now silently ignored
709 nw="$nw -Wpadded" # Our structs are not padded
710 nw="$nw -Wredundant-decls" # we regularly (re)declare functions
711 nw="$nw -Wlogical-op" # any use of fwrite provokes this
712 nw="$nw -Wformat-nonliteral" # we do this a lot
713 nw="$nw -Wvla" # warnings in gettext.h
714 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
715 nw="$nw -Wswitch-enum" # Too many warnings for now
716 nw="$nw -Wswitch-default" # Too many warnings for now
717 nw="$nw -Wfloat-equal" # warns about high-quality code
718 nw="$nw -Winline" # OK to ignore 'inline'
719 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
720 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
721 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
723 # Emacs doesn't care about shadowing; see
724 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
727 # The following lines should be removable at some point.
728 nw="$nw -Wstack-protector"
729 nw="$nw -Wstrict-overflow"
730 nw="$nw -Wsuggest-attribute=pure"
732 gl_MANYWARN_ALL_GCC([ws])
733 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
737 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
738 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
739 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
740 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
741 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
742 gl_WARN_ADD([-Wno-format-nonliteral])
744 # In spite of excluding -Wlogical-op above, it is enabled, as of
745 # gcc 4.5.0 20090517.
746 gl_WARN_ADD([-Wno-logical-op])
748 gl_WARN_ADD([-fdiagnostics-show-option])
749 gl_WARN_ADD([-funit-at-a-time])
751 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
752 AH_VERBATIM([FORTIFY_SOURCE],
753 [/* Enable compile-time and run-time bounds-checking, and some warnings,
754 without upsetting glibc 2.15+. */
755 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
756 # define _FORTIFY_SOURCE 2
759 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
761 # We use a slightly smaller set of warning options for lib/.
762 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
764 nw="$nw -Wunused-macros"
766 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
767 AC_SUBST([GNULIB_WARN_CFLAGS])
772 dnl Some other nice autoconf tests.
773 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
776 dnl if test "x$RANLIB" = x; then
781 AC_PATH_PROG(INSTALL_INFO, install-info, :,
782 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
783 dnl Don't use GZIP, which is used by gzip for additional parameters.
784 AC_PATH_PROG(GZIP_PROG, gzip)
786 if test $opsys = gnu-linux; then
787 AC_PATH_PROG(PAXCTL, paxctl,,
788 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
789 if test "X$PAXCTL" != X; then
790 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
791 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
792 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
793 else AC_MSG_RESULT(no); PAXCTL=""; fi])
797 ## Need makeinfo >= 4.7 (?) to build the manuals.
798 AC_PATH_PROG(MAKEINFO, makeinfo, no)
799 dnl By this stage, configure has already checked for egrep and set EGREP,
800 dnl or exited with an error if no egrep was found.
801 if test "$MAKEINFO" != "no" && \
802 test x"`$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
806 ## Makeinfo is unusual. For a released Emacs, the manuals are
807 ## pre-built, and not deleted by the normal clean rules. makeinfo is
808 ## therefore in the category of "special tools" not normally required, which
809 ## configure does not have to check for (eg autoconf itself).
810 ## In a Bazaar checkout on the other hand, the manuals are not included.
811 ## So makeinfo is a requirement to build from Bazaar, and configure
812 ## should test for it as it does for any other build requirement.
813 ## We use the presence of $srcdir/info/emacs to distinguish a release,
814 ## with pre-built manuals, from a Bazaar checkout.
817 if test "$MAKEINFO" = "no"; then
819 if test "x${with_makeinfo}" = "xno"; then
821 elif test ! -e $srcdir/info/emacs; then
822 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
823 source tree does not seem to have pre-built manuals in the `info' directory.
824 Either install a suitable version of makeinfo, or re-run configure
825 with the `--without-makeinfo' option to build without the manuals.] )
828 AC_SUBST(HAVE_MAKEINFO)
830 dnl Just so that there is only a single place we need to edit.
836 dnl Add our options to ac_link now, after it is set up.
838 if test x$GCC = xyes; then
839 test "x$GCC_LINK_TEST_OPTIONS" != x && \
840 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
842 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
843 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
846 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
847 dnl If we can link with the flag, it shouldn't do any harm anyhow.
848 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
849 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
850 dnl if not built to support GNU ld.
852 late_LDFLAGS=$LDFLAGS
853 if test x$GCC = xyes; then
854 LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
856 LDFLAGS="$LDFLAGS -znocombreloc"
859 AC_MSG_CHECKING([for -znocombreloc])
860 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
861 [AC_MSG_RESULT(yes)],
862 LDFLAGS=$late_LDFLAGS
866 dnl The function dump-emacs will not be defined and temacs will do
867 dnl (load "loadup") automatically unless told otherwise.
868 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
870 your-opsys-here) CANNOT_DUMP=yes ;;
873 test "$CANNOT_DUMP" = "yes" && \
874 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
876 AC_SUBST(CANNOT_DUMP)
881 # MSDOS uses unexcoff.o
889 UNEXEC_OBJ=unexmacosx.o
892 UNEXEC_OBJ=unexhp9k800.o
898 # Use the Solaris dldump() function, called from unexsol.c, to dump
899 # emacs, instead of the generic ELF dump code found in unexelf.c.
900 # The resulting binary has a complete symbol table, and is better
901 # for debugging and other observability tools (debuggers, pstack, etc).
903 # If you encounter a problem using dldump(), please consider sending
904 # a message to the OpenSolaris tools-linking mailing list:
905 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
907 # It is likely that dldump() works with older Solaris too, but this has
908 # not been tested, so for now this change is for Solaris 10 or newer.
916 ## Let `ld' find image libs and similar things in /usr/local/lib.
917 ## The system compiler, GCC, has apparently been modified to not
918 ## look there, contrary to what a stock GCC would do.
919 ### It's not our place to do this. See bug#10313#17.
920 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
925 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
926 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
930 LD_SWITCH_SYSTEM="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-subsystem,console -Wl,-entry,__start -Wl,-Map,./temacs.map"
934 ### It's not our place to do this. See bug#10313#17.
935 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
940 ## Han Boetes <han@mijncomputer.nl> says this is necessary,
941 ## otherwise Emacs dumps core on elf systems.
942 LD_SWITCH_SYSTEM="-Z"
945 AC_SUBST(LD_SWITCH_SYSTEM)
947 ac_link="$ac_link $LD_SWITCH_SYSTEM"
949 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
950 ## which has not been defined yet. When this was handled with cpp,
951 ## it was expanded to null when configure sourced the s/*.h file.
952 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
953 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
954 ## (or somesuch), but because it is supposed to go at the _front_
955 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
956 ## Compare with the gnu-linux case below, which added to the end
957 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
958 ## LD_SWITCH_SYSTEM_TEMACS.
961 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
968 AC_CHECK_DECL([__ELF__])
969 if test "$ac_cv_have_decl___ELF__" = "yes"; then
970 ## With ELF, make sure that all common symbols get allocated to in the
971 ## data section. Otherwise, the dump of temacs may miss variables in
972 ## the shared library that have been initialized. For example, with
973 ## GNU libc, __malloc_initialized would normally be resolved to the
974 ## shared library's .bss section, which is fatal.
975 if test "x$GCC" = "xyes"; then
976 C_SWITCH_MACHINE="-fno-common"
978 AC_MSG_ERROR([What gives? Fix me if DEC Unix supports ELF now.])
981 UNEXEC_OBJ=unexalpha.o
985 AC_SUBST(C_SWITCH_MACHINE)
990 ## Some programs in src produce warnings saying certain subprograms
991 ## are too complex and need a MAXMEM value greater than 2000 for
992 ## additional optimization. --nils@exp-math.uni-essen.de
993 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
994 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
995 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-DUSE_CRT_DLL=1 -I../nt/inc"
996 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
997 ## It is redundant in glibc2, since we define _GNU_SOURCE.
998 AC_SUBST(C_SWITCH_SYSTEM)
1003 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1004 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1006 freebsd) LIBS_SYSTEM="-lutil" ;;
1008 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1010 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1012 ## Motif needs -lgen.
1013 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1015 AC_SUBST(LIBS_SYSTEM)
1018 ### Make sure subsequent tests use flags consistent with the build flags.
1020 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1021 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1023 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1026 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1027 AC_DEFUN([AC_TYPE_SIZE_T])
1028 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1029 AC_DEFUN([AC_TYPE_UID_T])
1035 dnl Current possibilities handled by sed (aix4-2 -> aix,
1036 dnl gnu-linux -> gnu/linux, etc.):
1037 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1038 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1039 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1041 dnl NB do not use CRT_DIR unquoted here, since it might not be set yet.
1045 START_FILES='pre-crt0.o'
1048 ## Adding -lm confuses the dynamic linker, so omit it.
1050 START_FILES='pre-crt0.o'
1053 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1054 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1055 SYSTEM_TYPE=berkeley-unix
1057 gnu-linux | gnu-kfreebsd )
1058 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtn.o'
1059 START_FILES='pre-crt0.o $(CRT_DIR)/crt1.o $(CRT_DIR)/crti.o'
1061 hpux10-20 | hpux11 )
1063 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o'
1068 dnl NB this may be adjusted below.
1070 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o'
1071 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crtbegin.o'
1072 SYSTEM_TYPE=berkeley-unix
1076 SYSTEM_TYPE=usg-unix-v
1082 AC_SUBST(START_FILES)
1083 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1084 [The type of system you are compiling for; sets `system-type'.])
1086 dnl Not all platforms use crtn.o files. Check if the current one does.
1089 for file in x $LIB_STANDARD $START_FILES; do
1091 *CRT_DIR*) crt_files="$crt_files `echo $file | sed -e 's|.*/||'`" ;;
1095 if test "x$crt_files" != x; then
1097 ## If user specified a crt-dir, use that unconditionally.
1100 if test "X$CRT_DIR" = "X"; then
1102 CRT_DIR=/usr/lib # default
1104 case "$canonical" in
1105 x86_64-*-linux-gnu* | s390x-*-linux-gnu*)
1106 ## On x86-64 and s390x GNU/Linux distributions, the standard library
1107 ## can be in a variety of places. We only try /usr/lib64 and /usr/lib.
1108 ## For anything else (eg /usr/lib32), it is up the user to specify
1109 ## the location (bug#5655).
1110 ## Test for crtn.o, not just the directory, because sometimes the
1111 ## directory exists but does not have the relevant files (bug#1287).
1112 ## FIXME better to test for binary compatibility somehow.
1113 test -e /usr/lib64/crtn.o && CRT_DIR=/usr/lib64
1116 powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*) CRT_DIR=/usr/lib64 ;;
1120 hpux10-20) CRT_DIR=/lib ;;
1123 test "x${GCC}" = xyes && crt_gcc=yes
1129 for file in $crt_files; do
1131 ## If we're using gcc, try to determine it automatically by asking
1132 ## gcc. [If this doesn't work, CRT_DIR will remain at the
1133 ## system-dependent default from above.]
1134 if test $crt_gcc = yes && test ! -e $CRT_DIR/$file; then
1136 crt_file=`$CC --print-file-name=$file 2>/dev/null`
1139 CRT_DIR=`AS_DIRNAME(["$crt_file"])`
1144 dnl We expect all the files to be in a single directory, so after the
1145 dnl first there is no point asking gcc.
1148 test -e $CRT_DIR/$file || crt_missing="$crt_missing $file"
1151 test "x$crt_missing" = x || \
1152 AC_MSG_ERROR([Required file(s) not found:$crt_missing
1153 Try using the --with-crt-dir option.])
1155 fi # crt_files != ""
1161 if test -f $CRT_DIR/crti.o; then
1163 test -f $CRT_DIR/crtn.o || \
1164 AC_MSG_ERROR([Required file not found: crtn.o])
1166 LIB_STANDARD='-lgcc -lc -lgcc $(CRT_DIR)/crtend.o $(CRT_DIR)/crtn.o'
1167 START_FILES='pre-crt0.o $(CRT_DIR)/crt0.o $(CRT_DIR)/crti.o $(CRT_DIR)/crtbegin.o'
1173 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1174 pre_PKG_CONFIG_LIBS=$LIBS
1176 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1178 dnl This function definition taken from Gnome 2.0
1179 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1180 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1181 dnl also defines GSTUFF_PKG_ERRORS on error
1182 AC_DEFUN([PKG_CHECK_MODULES], [
1185 if test "$PKG_CONFIG" = "no" ; then
1186 ifelse([$4], , [AC_MSG_ERROR([
1187 *** 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])
1189 PKG_CONFIG_MIN_VERSION=0.9.0
1190 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1191 AC_MSG_CHECKING(for $2)
1193 if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1194 $1_CFLAGS=`$PKG_CONFIG --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1195 $1_LIBS=`$PKG_CONFIG --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1202 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1203 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1204 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1210 ## If we have a custom action on failure, don't print errors, but
1211 ## do set a variable so people can do so. Do it in a subshell
1212 ## to capture any diagnostics in invoking pkg-config.
1213 $1_PKG_ERRORS=`($PKG_CONFIG --print-errors "$2") 2>&1`
1214 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1220 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1221 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1225 if test $succeeded = yes; then
1226 ifelse([$3], , :, [$3])
1228 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])
1232 test "$opsys" = "mingw32" && with_sound=no
1234 if test "${with_sound}" != "no"; then
1235 # Sound support for GNU/Linux and the free BSDs.
1236 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h,
1237 have_sound_header=yes)
1238 # Emulation library used on NetBSD.
1239 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1243 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1244 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1245 if test $HAVE_ALSA = yes; then
1246 SAVE_CFLAGS="$CFLAGS"
1248 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1249 LIBS="$ALSA_LIBS $LIBS"
1250 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1251 emacs_alsa_normal=yes,
1252 emacs_alsa_normal=no)
1253 if test "$emacs_alsa_normal" != yes; then
1254 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1255 [[snd_lib_error_set_handler (0);]])],
1256 emacs_alsa_subdir=yes,
1257 emacs_alsa_subdir=no)
1258 if test "$emacs_alsa_subdir" != yes; then
1259 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1261 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1264 CFLAGS="$SAVE_CFLAGS"
1266 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1267 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1268 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1271 dnl Define HAVE_SOUND if we have sound support. We know it works and
1272 dnl compiles only on the specified platforms. For others, it
1273 dnl probably doesn't make sense to try.
1274 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1276 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1277 gnu-linux|freebsd|netbsd)
1278 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1283 AC_SUBST(CFLAGS_SOUND)
1286 dnl checks for header files
1287 AC_CHECK_HEADERS_ONCE(
1288 linux/version.h sys/systeminfo.h
1289 fcntl.h coff.h pty.h
1290 sys/vlimit.h sys/resource.h
1291 sys/utsname.h pwd.h utmp.h util.h)
1293 AC_MSG_CHECKING(if personality LINUX32 can be set)
1294 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1295 emacs_cv_personality_linux32=yes,
1296 emacs_cv_personality_linux32=no)
1297 AC_MSG_RESULT($emacs_cv_personality_linux32)
1299 if test $emacs_cv_personality_linux32 = yes; then
1300 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1301 [Define to 1 if personality LINUX32 can be set.])
1304 dnl On Solaris 8 there's a compilation warning for term.h because
1305 dnl it doesn't define `bool'.
1306 AC_CHECK_HEADERS(term.h, , , -)
1308 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1310 if test $ac_cv_have_decl_sys_siglist != yes; then
1311 # For Tru64, at least:
1312 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1314 if test $ac_cv_have_decl___sys_siglist = yes; then
1315 AC_DEFINE(sys_siglist, __sys_siglist,
1316 [Define to any substitute for sys_siglist.])
1321 dnl Check for speed_t typedef.
1322 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1323 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <termios.h>]], [[speed_t x = 1;]])],
1324 emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1325 if test $emacs_cv_speed_t = yes; then
1326 AC_DEFINE(HAVE_SPEED_T, 1,
1327 [Define to 1 if `speed_t' is declared by <termios.h>.])
1330 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1331 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1332 #if HAVE_SYS_SOCKET_H
1333 #include <sys/socket.h>
1335 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1336 #if HAVE_SYS_SOCKET_H
1337 #include <sys/socket.h>
1339 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1340 #if HAVE_SYS_SOCKET_H
1341 #include <sys/socket.h>
1344 dnl checks for structure members
1345 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1346 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1347 struct ifreq.ifr_addr,
1348 struct ifreq.ifr_addr.sa_len], , ,
1349 [AC_INCLUDES_DEFAULT
1350 #if HAVE_SYS_SOCKET_H
1351 #include <sys/socket.h>
1357 dnl Check for endianness.
1358 dnl AC_C_BIGENDIAN is done by gnulib.
1360 dnl check for Make feature
1361 dnl AC_PROG_MAKE_SET is done by Automake.
1366 dnl check for GNU Make if we have GCC and autodepend is on.
1367 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1368 AC_MSG_CHECKING([whether we are using GNU Make])
1370 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1371 if test "x$testval" != x; then
1374 ac_enable_autodepend=no
1376 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1377 if test $HAVE_GNU_MAKE = yes; then
1378 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1379 SAVE_CFLAGS="$CFLAGS"
1380 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1381 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1382 CFLAGS="$SAVE_CFLAGS"
1383 test -f deps.d || ac_enable_autodepend=no
1385 AC_MSG_RESULT([$ac_enable_autodepend])
1387 if test $ac_enable_autodepend = yes; then
1388 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1389 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1390 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1391 deps_frag=autodeps.mk
1394 deps_frag=$srcdir/src/$deps_frag
1397 AC_SUBST_FILE(deps_frag)
1400 lisp_frag=$srcdir/src/lisp.mk
1401 AC_SUBST_FILE(lisp_frag)
1404 dnl checks for operating system services
1405 AC_SYS_LONG_FILE_NAMES
1407 #### Choose a window system.
1409 ## We leave window_system equal to none if
1410 ## we end up building without one. Any new window system should
1411 ## set window_system to an appropriate value and add objects to
1412 ## window-system-specific substs.
1416 if test "$no_x" != yes; then
1420 LD_SWITCH_X_SITE_RPATH=
1421 if test "${x_libraries}" != NONE; then
1422 if test -n "${x_libraries}"; then
1423 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1424 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1426 x_default_search_path=""
1427 x_search_path=${x_libraries}
1428 if test -z "${x_search_path}"; then
1429 x_search_path=/usr/lib
1431 for x_library in `echo ${x_search_path}: | \
1432 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1434 ${x_library}/X11/%L/%T/%N%C%S:\
1435 ${x_library}/X11/%l/%T/%N%C%S:\
1436 ${x_library}/X11/%T/%N%C%S:\
1437 ${x_library}/X11/%L/%T/%N%S:\
1438 ${x_library}/X11/%l/%T/%N%S:\
1439 ${x_library}/X11/%T/%N%S"
1440 if test x"${x_default_search_path}" = x; then
1441 x_default_search_path=${x_search_path}
1443 x_default_search_path="${x_search_path}:${x_default_search_path}"
1447 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1449 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1450 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1453 if test x"${x_includes}" = x; then
1454 bitmapdir=/usr/include/X11/bitmaps
1456 # accumulate include directories that have X11 bitmap subdirectories
1458 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1459 if test -d "${bmd}/X11/bitmaps"; then
1460 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1462 if test -d "${bmd}/bitmaps"; then
1463 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1466 if test ${bmd_acc} != "dummyval"; then
1467 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1474 tmp_CPPFLAGS="$CPPFLAGS"
1475 tmp_CFLAGS="$CFLAGS"
1476 CPPFLAGS="$CPPFLAGS -x objective-c"
1477 CFLAGS="$CFLAGS -x objective-c"
1478 TEMACS_LDFLAGS2="\${LDFLAGS}"
1480 if test "${with_ns}" != no; then
1481 if test "${opsys}" = darwin; then
1483 ns_appdir=`pwd`/nextstep/Emacs.app
1484 ns_appbindir=${ns_appdir}/Contents/MacOS
1485 ns_appresdir=${ns_appdir}/Contents/Resources
1486 ns_appsrc=Cocoa/Emacs.base
1487 elif test -f $GNUSTEP_CONFIG_FILE; then
1489 ns_appdir=`pwd`/nextstep/Emacs.app
1490 ns_appbindir=${ns_appdir}
1491 ns_appresdir=${ns_appdir}/Resources
1492 ns_appsrc=GNUstep/Emacs.base
1493 dnl FIXME sourcing this several times in subshells seems inefficient.
1494 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1495 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1496 dnl I seemed to need these as well with GNUstep-startup 0.25.
1497 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1498 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1499 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1500 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1501 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1502 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1503 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1504 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1505 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1509 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1510 dnl If they had chosen to either define it or not, we could have
1511 dnl just used AC_CHECK_DECL here.
1512 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1513 emacs_cv_objc_exceptions,
1514 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1515 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1519 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1520 if test $emacs_cv_objc_exceptions = yes; then
1521 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1522 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1523 [Define if GNUstep uses ObjC exceptions.])
1524 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1528 dnl This is only used while we test the NS headers, it gets reset below.
1529 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1531 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1532 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1533 files are missing or cannot be compiled.])])
1535 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1537 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1538 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1541 #error "OSX 10.4 or newer required"
1545 ns_osx_have_104=yes,
1547 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1549 ns_have_nsinteger=yes,
1550 ns_have_nsinteger=no)
1551 if test $ns_osx_have_104 = no; then
1552 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1554 if test $ns_have_nsinteger = yes; then
1555 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1559 AC_SUBST(TEMACS_LDFLAGS2)
1561 INSTALL_ARCH_INDEP_EXTRA=install-etc
1562 ns_self_contained=no
1565 if test "${HAVE_NS}" = yes; then
1566 if test "$with_toolkit_scroll_bars" = "no"; then
1567 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1570 window_system=nextstep
1571 # set up packaging dirs
1572 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1573 ns_self_contained=yes
1574 prefix=${ns_appresdir}
1575 exec_prefix=${ns_appbindir}
1576 dnl This one isn't really used, only archlibdir is.
1577 libexecdir="\${ns_appbindir}/libexec"
1578 archlibdir="\${ns_appbindir}/libexec"
1579 docdir="\${ns_appresdir}/etc"
1580 etcdir="\${ns_appresdir}/etc"
1581 dnl FIXME maybe set datarootdir instead.
1582 dnl That would also get applications, icons, man.
1583 infodir="\${ns_appresdir}/info"
1584 mandir="\${ns_appresdir}/man"
1585 lispdir="\${ns_appresdir}/lisp"
1586 leimdir="\${ns_appresdir}/leim"
1587 INSTALL_ARCH_INDEP_EXTRA=
1589 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o"
1591 CFLAGS="$tmp_CFLAGS"
1592 CPPFLAGS="$tmp_CPPFLAGS"
1593 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1594 AC_SUBST(ns_self_contained)
1596 AC_SUBST(NS_OBJC_OBJ)
1597 AC_SUBST(LIB_STANDARD)
1602 if test "${with_w32}" != no; then
1603 if test "${opsys}" != "cygwin"; then
1604 if test "${opsys}" != "mingw32"; then
1605 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1608 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1609 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1610 cannot be found.])])
1612 if test "${opsys}" = "mingw32"; then
1613 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1614 [AC_MSG_ERROR([The windows.h header file is required,
1615 but cannot be found.])])
1618 if test "${HAVE_W32}" = "yes"; then
1619 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1620 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1621 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1622 if test "${opsys}" = "cygwin"; then
1623 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1624 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1626 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1627 W32_LIBS="$W32_LIBS -lwinmm -ladvapi32 -lgdi32 -lcomdlg32 -luser32"
1628 W32_LIBS="$W32_LIBS -lmpr -lshell32 -lwinspool -lole32 -lcomctl32 -lusp10"
1634 if test "${HAVE_W32}" = "yes"; then
1639 ## $window_system is now set to the window system we will
1647 case "${window_system}" in
1652 case "${with_x_toolkit}" in
1653 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1654 motif ) USE_X_TOOLKIT=MOTIF ;;
1656 term_header=gtkutil.h
1657 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1658 dnl USE_X_TOOLKIT is set.
1659 USE_X_TOOLKIT=none ;;
1660 gtk2 ) with_gtk2=yes
1661 term_header=gtkutil.h
1662 USE_X_TOOLKIT=none ;;
1663 gtk3 ) with_gtk3=yes
1664 term_header=gtkutil.h
1665 USE_X_TOOLKIT=none ;;
1666 no ) USE_X_TOOLKIT=none ;;
1667 dnl If user did not say whether to use a toolkit, make this decision later:
1668 dnl use the toolkit if we have gtk, or X11R5 or newer.
1669 * ) USE_X_TOOLKIT=maybe ;;
1673 term_header=nsterm.h
1676 term_header=w32term.h
1680 if test -n "${term_header}"; then
1681 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
1682 [Define to the header for the built-in window system.])
1685 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1686 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1687 if test "$HAVE_XSERVER" = true ||
1688 test -n "$DISPLAY" ||
1689 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1690 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1691 were found. You should install the relevant development files for X
1692 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1693 sure you have development files for image handling, i.e.
1694 tiff, gif, jpeg, png and xpm.
1695 If you are sure you want Emacs compiled without X window support, pass
1701 ### If we're using X11, we should use the X menu package.
1704 yes ) HAVE_MENUS=yes ;;
1707 # Does the opsystem file prohibit the use of the GNU malloc?
1708 # Assume not, until told otherwise.
1712 [whether malloc is Doug Lea style],
1713 [emacs_cv_var_doug_lea_malloc],
1716 [[#include <malloc.h>
1717 static void hook (void) {}]],
1718 [[malloc_set_state (malloc_get_state ());
1719 __after_morecore_hook = hook;
1720 __malloc_initialize_hook = hook;]])],
1721 [emacs_cv_var_doug_lea_malloc=yes],
1722 [emacs_cv_var_doug_lea_malloc=no])])
1723 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1726 dnl See comments in aix4-2.h about maybe using system malloc there.
1729 ## darwin ld insists on the use of malloc routines in the System framework.
1730 darwin|sol2-10) system_malloc=yes ;;
1733 if test "${system_malloc}" = "yes"; then
1734 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1737 (The GNU allocators don't work with this system configuration.)"
1741 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1742 VMLIMIT_OBJ=vm-limit.o
1744 AC_SUBST(GMALLOC_OBJ)
1745 AC_SUBST(VMLIMIT_OBJ)
1747 if test "$doug_lea_malloc" = "yes" ; then
1748 if test "$GNU_MALLOC" = yes ; then
1750 (Using Doug Lea's new malloc from the GNU C Library.)"
1752 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1753 [Define to 1 if you are using the GNU C Library.])
1755 ## Use mmap directly for allocating larger buffers.
1756 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1757 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1758 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1760 gnu*) REL_ALLOC=no ;;
1764 if test x"${REL_ALLOC}" = x; then
1765 REL_ALLOC=${GNU_MALLOC}
1768 use_mmap_for_buffers=no
1770 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1774 if test $use_mmap_for_buffers = yes; then
1775 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1779 LIBS="$LIBS_SYSTEM $LIBS"
1781 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1782 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1783 AC_CHECK_LIB(dnet, dnet_ntoa)
1784 dnl This causes -lresolv to get used in subsequent tests,
1785 dnl which causes failures on some systems such as HPUX 9.
1786 dnl AC_CHECK_LIB(resolv, gethostbyname)
1788 dnl FIXME replace main with a function we actually want from this library.
1789 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1791 dnl Check if pthreads is available.
1793 AC_CHECK_HEADERS_ONCE(pthread.h)
1794 if test "$ac_cv_header_pthread_h"; then
1795 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1796 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1797 dnl testing for pthread_self if Emacs uses gmalloc.c.
1798 if test "$GMALLOC_OBJ" = gmalloc.o; then
1799 emacs_pthread_function=pthread_atfork
1801 emacs_pthread_function=pthread_self
1803 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1805 if test "$HAVE_PTHREAD" = yes; then
1806 case "${canonical}" in
1808 *) LIB_PTHREAD="-lpthread"
1809 LIBS="$LIB_PTHREAD $LIBS" ;;
1811 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1813 AC_SUBST([LIB_PTHREAD])
1815 AC_CHECK_LIB(pthreads, cma_open)
1817 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1818 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1819 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1820 ## added to LIBS in configure would never contain the pthreads part,
1821 ## but the value used in Makefiles might. FIXME?
1823 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
1824 ## be harmless on older versions of X where it happens to exist.
1825 test "$opsys" = "aix4-2" && \
1826 test $ac_cv_lib_pthreads_cma_open = yes && \
1827 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
1829 dnl Check for need for bigtoc support on IBM AIX
1833 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1835 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1836 *) gdb_cv_bigtoc=-bbigtoc ;;
1839 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1840 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
1845 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1846 # used for the tests that follow. We set them back to REAL_CFLAGS and
1847 # REAL_CPPFLAGS later on.
1849 REAL_CFLAGS="$CFLAGS"
1850 REAL_CPPFLAGS="$CPPFLAGS"
1852 if test "${HAVE_X11}" = "yes"; then
1853 DEFS="$C_SWITCH_X_SITE $DEFS"
1854 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1856 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1857 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1859 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1860 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
1861 # but it's more convenient here to set LD_RUN_PATH since this
1862 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
1863 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1864 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1868 if test "${opsys}" = "gnu-linux"; then
1869 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1870 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1871 [[XOpenDisplay ("foo");]])],
1872 [xgnu_linux_first_failure=no],
1873 [xgnu_linux_first_failure=yes])
1874 if test "${xgnu_linux_first_failure}" = "yes"; then
1875 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1876 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1877 OLD_CPPFLAGS="$CPPFLAGS"
1879 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1880 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1881 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1882 LIBS="$LIBS -b i486-linuxaout"
1883 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
1884 [[XOpenDisplay ("foo");]])],
1885 [xgnu_linux_second_failure=no],
1886 [xgnu_linux_second_failure=yes])
1887 if test "${xgnu_linux_second_failure}" = "yes"; then
1888 # If we get the same failure with -b, there is no use adding -b.
1889 # So take it out. This plays safe.
1890 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1891 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1892 CPPFLAGS="$OLD_CPPFLAGS"
1903 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1904 # header files included from there.
1905 AC_MSG_CHECKING(for Xkb)
1906 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
1907 #include <X11/XKBlib.h>]],
1908 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
1909 emacs_xkb=yes, emacs_xkb=no)
1910 AC_MSG_RESULT($emacs_xkb)
1911 if test $emacs_xkb = yes; then
1912 AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1915 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1916 XScreenNumberOfScreen)
1919 if test "${window_system}" = "x11"; then
1920 AC_MSG_CHECKING(X11 version 6)
1921 AC_CACHE_VAL(emacs_cv_x11_version_6,
1922 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
1923 [[#if XlibSpecificationRelease < 6
1926 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1927 if test $emacs_cv_x11_version_6 = yes; then
1928 AC_MSG_RESULT(6 or newer)
1929 AC_DEFINE(HAVE_X11R6, 1,
1930 [Define to 1 if you have the X11R6 or newer version of Xlib.])
1931 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
1932 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
1936 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
1937 [Define if you have usable X11R6-style XIM support.])
1941 AC_MSG_RESULT(before 6)
1946 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1948 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
1949 if test "${with_rsvg}" != "no"; then
1950 RSVG_REQUIRED=2.11.0
1951 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1953 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
1954 AC_SUBST(RSVG_CFLAGS)
1957 if test $HAVE_RSVG = yes; then
1958 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1959 CFLAGS="$CFLAGS $RSVG_CFLAGS"
1960 LIBS="$RSVG_LIBS $LIBS"
1966 if test "${HAVE_X11}" = "yes"; then
1967 if test "${with_imagemagick}" != "no"; then
1968 ## 6.2.8 is the earliest version known to work, but earlier versions
1969 ## might work - let us know if you find one.
1970 ## 6.0.7 does not work. See bug#7955.
1971 IMAGEMAGICK_MODULE="Wand >= 6.2.8"
1972 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
1973 AC_SUBST(IMAGEMAGICK_CFLAGS)
1974 AC_SUBST(IMAGEMAGICK_LIBS)
1976 if test $HAVE_IMAGEMAGICK = yes; then
1977 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
1978 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
1979 LIBS="$IMAGEMAGICK_LIBS $LIBS"
1980 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
1990 if test "${opsys}" != "mingw32"; then
1991 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1994 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1996 dnl Checks for libraries.
1997 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1998 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
1999 AC_MSG_ERROR($GTK_PKG_ERRORS)
2001 if test "$pkg_check_gtk" = "yes"; then
2002 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2003 GTK_OBJ=emacsgtkfixed.o
2004 term_header=gtkutil.h
2005 USE_GTK_TOOLKIT="GTK3"
2008 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2012 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2015 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2017 dnl Checks for libraries.
2018 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2019 if test "$pkg_check_gtk" = "no" &&
2020 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2022 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2024 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2028 if test x"$pkg_check_gtk" = xyes; then
2030 AC_SUBST(GTK_CFLAGS)
2032 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2033 CFLAGS="$CFLAGS $GTK_CFLAGS"
2034 LIBS="$GTK_LIBS $LIBS"
2035 dnl Try to compile a simple GTK program.
2037 AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
2038 if test "${GTK_COMPILES}" != "yes"; then
2039 if test "$USE_X_TOOLKIT" != "maybe"; then
2040 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2044 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2045 GTK_OBJ="gtkutil.o $GTK_OBJ"
2047 if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
2050 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2051 closing open displays. This is no problem if you just use
2052 one display, but if you use more than one and close one of them
2062 if test "${HAVE_GTK}" = "yes"; then
2064 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2065 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2066 if test "$with_toolkit_scroll_bars" != no; then
2067 with_toolkit_scroll_bars=yes
2070 dnl Check if we have the old file selection dialog declared and
2071 dnl in the link library. In 2.x it may be in the library,
2072 dnl but not declared if deprecated featured has been selected out.
2073 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2074 HAVE_GTK_FILE_SELECTION=no
2075 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2076 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2077 #include <gtk/gtk.h>])
2078 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2079 AC_CHECK_FUNCS(gtk_file_selection_new)
2083 dnl Check for functions introduced in 2.14 and later.
2084 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2085 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2086 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2087 gtk_orientable_set_orientation \
2088 gtk_window_set_has_resize_grip)
2090 term_header=gtkutil.h
2093 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2094 dnl other platforms.
2097 if test "${with_dbus}" = "yes"; then
2098 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2099 if test "$HAVE_DBUS" = yes; then
2100 LIBS="$LIBS $DBUS_LIBS"
2101 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2102 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2103 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2105 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2106 dbus_type_is_valid \
2107 dbus_validate_bus_name \
2108 dbus_validate_path \
2109 dbus_validate_interface \
2110 dbus_validate_member)
2116 dnl GSettings has been tested under GNU/Linux only.
2118 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2119 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2120 if test "$HAVE_GSETTINGS" = "yes"; then
2121 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2122 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2123 SETTINGS_LIBS="$GSETTINGS_LIBS"
2127 dnl GConf has been tested under GNU/Linux only.
2128 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2130 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2131 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2132 if test "$HAVE_GCONF" = yes; then
2133 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2134 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2135 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2136 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2140 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2141 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2142 if test "$HAVE_GOBJECT" = "yes"; then
2143 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2144 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2146 SAVE_CFLAGS="$CFLAGS"
2148 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2149 LIBS="$SETTINGS_LIBS $LIBS"
2150 AC_CHECK_FUNCS([g_type_init])
2151 CFLAGS="$SAVE_CFLAGS"
2154 AC_SUBST(SETTINGS_CFLAGS)
2155 AC_SUBST(SETTINGS_LIBS)
2158 dnl SELinux is available for GNU/Linux only.
2161 if test "${with_selinux}" = "yes"; then
2162 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2163 if test "$HAVE_LIBSELINUX" = yes; then
2164 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2165 LIBSELINUX_LIBS=-lselinux
2168 AC_SUBST(LIBSELINUX_LIBS)
2171 HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=no
2172 if test "${with_gnutls}" = "yes" ; then
2173 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2174 if test "${HAVE_GNUTLS}" = "yes"; then
2175 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2178 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2179 LIBS="$LIBGNUTLS_LIBS $LIBS"
2180 AC_CHECK_FUNCS(gnutls_certificate_set_verify_function, HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY=yes)
2182 if test "${HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY}" = "yes"; then
2183 AC_DEFINE(HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY, 1, [Define if using GnuTLS certificate verification callbacks.])
2187 AC_SUBST(LIBGNUTLS_LIBS)
2188 AC_SUBST(LIBGNUTLS_CFLAGS)
2190 dnl Do not put whitespace before the #include statements below.
2191 dnl Older compilers (eg sunos4 cc) choke on it.
2194 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2195 if test "$with_xaw3d" != no; then
2196 AC_CACHE_VAL(emacs_cv_xaw3d,
2197 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2198 #include <X11/Intrinsic.h>
2199 #include <X11/Xaw3d/Simple.h>]],
2201 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2202 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2203 emacs_cv_xaw3d=no)])
2207 if test $emacs_cv_xaw3d = yes; then
2208 AC_MSG_CHECKING(for xaw3d)
2209 AC_MSG_RESULT([yes; using Lucid toolkit])
2213 AC_DEFINE(HAVE_XAW3D, 1,
2214 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2216 AC_MSG_CHECKING(for xaw3d)
2218 AC_MSG_CHECKING(for libXaw)
2219 AC_CACHE_VAL(emacs_cv_xaw,
2220 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2221 #include <X11/Intrinsic.h>
2222 #include <X11/Xaw/Simple.h>]],
2226 if test $emacs_cv_xaw = yes; then
2227 AC_MSG_RESULT([yes; using Lucid toolkit])
2230 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2231 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2233 AC_MSG_ERROR([No X toolkit could be found.
2234 If you are sure you want Emacs compiled without an X toolkit, pass
2236 to configure. Otherwise, install the development libraries for the toolkit
2237 that you want to use (e.g. Gtk+) and re-run configure.])
2242 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2245 if test "${USE_X_TOOLKIT}" != "none"; then
2246 AC_MSG_CHECKING(X11 toolkit version)
2247 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2248 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2249 [[#if XtSpecificationRelease < 6
2252 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2253 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2254 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2255 AC_MSG_RESULT(6 or newer)
2256 AC_DEFINE(HAVE_X11XTR6, 1,
2257 [Define to 1 if you have the X11R6 or newer version of Xt.])
2258 LIBXTR6="-lSM -lICE"
2260 ## Use libw.a along with X11R6 Xt.
2261 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2264 AC_MSG_RESULT(before 6)
2267 dnl If using toolkit, check whether libXmu.a exists.
2268 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2270 if test x$HAVE_X11XTR6 = xyes; then
2271 LIBS="-lXt -lSM -lICE $LIBS"
2275 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2276 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2277 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2281 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2282 dnl Why not just test for libxmu in the normal way?
2285 ## These systems don't supply Xmu.
2287 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2295 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2296 if test "${HAVE_X11}" = "yes"; then
2297 if test "${USE_X_TOOLKIT}" != "none"; then
2298 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2303 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2304 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2305 if test -d /usr/include/openmotif; then
2306 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2307 emacs_cv_openmotif=yes
2308 case "$canonical" in
2309 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2310 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2313 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2316 emacs_cv_openmotif=no
2318 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2319 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2320 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2323 Motif version prior to 2.1.
2325 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2326 if test $emacs_cv_motif_version_2_1 = yes; then
2327 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2328 if test x$emacs_cv_openmotif = xyes; then
2329 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2332 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2333 # We put this in CFLAGS temporarily to precede other -I options
2334 # that might be in CFLAGS temporarily.
2335 # We put this in CPPFLAGS where it precedes the other -I options.
2336 OLD_CPPFLAGS=$CPPFLAGS
2338 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2339 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2340 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2342 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2343 if test $emacs_cv_lesstif = yes; then
2344 # Make sure this -I option remains in CPPFLAGS after it is set
2345 # back to REAL_CPPFLAGS.
2346 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2347 # have those other -I options anyway. Ultimately, having this
2348 # directory ultimately in CPPFLAGS will be enough.
2349 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2350 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2353 CPPFLAGS=$OLD_CPPFLAGS
2356 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2357 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2360 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2361 dnl using Motif or Xaw3d is available, and unless
2362 dnl --with-toolkit-scroll-bars=no was specified.
2364 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2365 [Define to 1 if we should use toolkit scroll bars.])dnl
2366 USE_TOOLKIT_SCROLL_BARS=no
2367 if test "${with_toolkit_scroll_bars}" != "no"; then
2368 if test "${USE_X_TOOLKIT}" != "none"; then
2369 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2370 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2372 USE_TOOLKIT_SCROLL_BARS=yes
2373 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2374 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2375 USE_TOOLKIT_SCROLL_BARS=yes
2377 elif test "${HAVE_GTK}" = "yes"; then
2378 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2379 USE_TOOLKIT_SCROLL_BARS=yes
2380 elif test "${HAVE_NS}" = "yes"; then
2381 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2382 USE_TOOLKIT_SCROLL_BARS=yes
2383 elif test "${HAVE_W32}" = "yes"; then
2384 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2385 USE_TOOLKIT_SCROLL_BARS=yes
2389 dnl See if XIM is available.
2390 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2391 #include <X11/Xlib.h>
2392 #include <X11/Xresource.h>]],
2393 [[XIMProc callback;]])],
2395 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2398 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2400 if test "${with_xim}" != "no"; then
2401 AC_DEFINE(USE_XIM, 1,
2402 [Define to 1 if we should use XIM, if it is available.])
2406 if test "${HAVE_XIM}" != "no"; then
2408 if test "$GCC" = yes; then
2409 CFLAGS="$CFLAGS --pedantic-errors"
2411 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2412 #include <X11/Xlib.h>
2413 #include <X11/Xresource.h>]],
2419 XPointer *client_data;
2421 /* If we're not using GCC, it's probably not XFree86, and this is
2422 probably right, but we can't use something like --pedantic-errors. */
2423 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2424 char*, XIMProc, XPointer*);
2426 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2428 [emacs_cv_arg6_star=yes])
2429 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2430 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2431 either XPointer or XPointer*.])dnl
2432 if test "$emacs_cv_arg6_star" = yes; then
2433 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2435 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2440 ### Start of font-backend (under any platform) section.
2441 # (nothing here yet -- this is a placeholder)
2442 ### End of font-backend (under any platform) section.
2444 ### Start of font-backend (under X11) section.
2445 if test "${HAVE_X11}" = "yes"; then
2446 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2448 ## Use -lXft if available, unless `--with-xft=no'.
2450 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2453 if test "x${with_xft}" != "xno"; then
2455 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2456 ## Because xftfont.c uses XRenderQueryExtension, we also
2457 ## need to link to -lXrender.
2459 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2460 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2461 OLD_CPPFLAGS="$CPPFLAGS"
2462 OLD_CFLAGS="$CFLAGS"
2464 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2465 CFLAGS="$CFLAGS $XFT_CFLAGS"
2466 XFT_LIBS="-lXrender $XFT_LIBS"
2467 LIBS="$XFT_LIBS $LIBS"
2468 AC_CHECK_HEADER(X11/Xft/Xft.h,
2469 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2471 if test "${HAVE_XFT}" = "yes"; then
2472 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2474 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2476 CPPFLAGS="$OLD_CPPFLAGS"
2477 CFLAGS="$OLD_CFLAGS"
2479 fi # "${HAVE_XFT}" = "yes"
2480 fi # "$HAVE_XFT" != no
2481 fi # "x${with_xft}" != "xno"
2483 ## We used to allow building with FreeType and without Xft.
2484 ## However, the ftx font backend driver is not in good shape.
2485 if test "$HAVE_XFT" != "yes"; then
2486 dnl For the "Does Emacs use" message at the end.
2490 dnl Strict linkers fail with
2491 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2492 dnl if -lfreetype is not specified.
2493 dnl The following is needed to set FREETYPE_LIBS.
2494 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2497 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2501 if test "${HAVE_FREETYPE}" = "yes"; then
2502 AC_DEFINE(HAVE_FREETYPE, 1,
2503 [Define to 1 if using the freetype and fontconfig libraries.])
2504 if test "${with_libotf}" != "no"; then
2505 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2507 if test "$HAVE_LIBOTF" = "yes"; then
2508 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2509 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2510 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2511 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2512 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2513 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2514 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2518 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2519 dnl Does the new font backend require it, or can it work without it?
2523 if test "${HAVE_LIBOTF}" = yes; then
2524 if test "${with_m17n_flt}" != "no"; then
2525 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2526 if test "$HAVE_M17N_FLT" = "yes"; then
2527 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2538 ### End of font-backend (under X11) section.
2540 AC_SUBST(FREETYPE_CFLAGS)
2541 AC_SUBST(FREETYPE_LIBS)
2542 AC_SUBST(FONTCONFIG_CFLAGS)
2543 AC_SUBST(FONTCONFIG_LIBS)
2544 AC_SUBST(LIBOTF_CFLAGS)
2545 AC_SUBST(LIBOTF_LIBS)
2546 AC_SUBST(M17N_FLT_CFLAGS)
2547 AC_SUBST(M17N_FLT_LIBS)
2549 ### Use -lXpm if available, unless `--with-xpm=no'.
2550 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2554 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2555 if test "${with_xpm}" != "no"; then
2556 SAVE_CPPFLAGS="$CPPFLAGS"
2557 SAVE_LDFLAGS="$LDFLAGS"
2558 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2559 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2560 AC_CHECK_HEADER(X11/xpm.h,
2561 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2562 if test "${HAVE_XPM}" = "yes"; then
2563 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2564 AC_EGREP_CPP(no_return_alloc_pixels,
2565 [#include "X11/xpm.h"
2566 #ifndef XpmReturnAllocPixels
2567 no_return_alloc_pixels
2569 ], HAVE_XPM=no, HAVE_XPM=yes)
2571 if test "${HAVE_XPM}" = "yes"; then
2572 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2576 CPPFLAGS="$SAVE_CPPFLAGS"
2577 LDFLAGS="$SAVE_LDFLAGS"
2582 if test "${HAVE_XPM}" = "yes"; then
2583 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2588 if test "${HAVE_X11}" = "yes"; then
2589 if test "${with_xpm}" != "no"; then
2590 AC_CHECK_HEADER(X11/xpm.h,
2591 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2592 if test "${HAVE_XPM}" = "yes"; then
2593 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2594 AC_EGREP_CPP(no_return_alloc_pixels,
2595 [#include "X11/xpm.h"
2596 #ifndef XpmReturnAllocPixels
2597 no_return_alloc_pixels
2599 ], HAVE_XPM=no, HAVE_XPM=yes)
2601 if test "${HAVE_XPM}" = "yes"; then
2609 if test "${HAVE_XPM}" = "yes"; then
2610 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2615 if test "${opsys}" = "mingw32"; then
2616 if test "${with_xpm}" != "no"; then
2617 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2619 if test "${HAVE_XPM}" = "yes"; then
2627 if test "${HAVE_XPM}" = "yes"; then
2628 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2634 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2635 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2638 if test "${opsys}" = "mingw32"; then
2639 if test "${with_jpeg}" != "no"; then
2640 dnl Checking for jpeglib.h can lose because of a redefinition of
2642 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2644 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2645 if test "${HAVE_JPEG}" = "yes"; then
2646 AC_DEFINE(HAVE_JPEG)
2647 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2648 [#include <jpeglib.h>
2649 version=JPEG_LIB_VERSION
2651 [AC_DEFINE(HAVE_JPEG)],
2652 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2655 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2656 if test "${with_jpeg}" != "no"; then
2657 dnl Checking for jpeglib.h can lose because of a redefinition of
2659 AC_CHECK_HEADER(jerror.h,
2660 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2663 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2664 if test "${HAVE_JPEG}" = "yes"; then
2665 AC_DEFINE(HAVE_JPEG)
2666 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2667 [#include <jpeglib.h>
2668 version=JPEG_LIB_VERSION
2670 [AC_DEFINE(HAVE_JPEG)],
2671 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2674 if test "${HAVE_JPEG}" = "yes"; then
2680 ### Use -lpng if available, unless `--with-png=no'.
2681 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2684 if test "${opsys}" = "mingw32"; then
2685 if test "${with_png}" != "no"; then
2686 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2688 if test "${HAVE_PNG}" = "yes"; then
2689 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2691 AC_CHECK_DECL(png_longjmp,
2693 [AC_DEFINE(PNG_DEPSTRUCT, [],
2694 [Define to empty to suppress deprecation warnings when building
2695 with --enable-gcc-warnings and with libpng versions before 1.5,
2696 which lack png_longjmp.])],
2697 [[#ifdef HAVE_LIBPNG_PNG_H
2698 # include <libpng/png.h>
2704 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2705 if test "${with_png}" != "no"; then
2706 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2707 # in /usr/include/libpng.
2708 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2709 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2710 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2714 if test "${HAVE_PNG}" = "yes"; then
2715 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2716 LIBPNG="-lpng -lz -lm"
2718 AC_CHECK_DECL(png_longjmp,
2720 [AC_DEFINE(PNG_DEPSTRUCT, [],
2721 [Define to empty to suppress deprecation warnings when building
2722 with --enable-gcc-warnings and with libpng versions before 1.5,
2723 which lack png_longjmp.])],
2724 [[#ifdef HAVE_LIBPNG_PNG_H
2725 # include <libpng/png.h>
2734 ### Use -ltiff if available, unless `--with-tiff=no'.
2735 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
2738 if test "${opsys}" = "mingw32"; then
2739 if test "${with_tiff}" != "no"; then
2740 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
2742 if test "${HAVE_TIFF}" = "yes"; then
2743 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2745 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2746 if test "${with_tiff}" != "no"; then
2747 AC_CHECK_HEADER(tiffio.h,
2749 # At least one tiff package requires the jpeg library.
2750 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2751 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2754 if test "${HAVE_TIFF}" = "yes"; then
2755 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2756 dnl FIXME -lz -lm, as per libpng?
2762 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2763 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
2766 if test "${opsys}" = "mingw32"; then
2767 if test "${with_gif}" != "no"; then
2768 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
2770 if test "${HAVE_GIF}" = "yes"; then
2771 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2773 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
2774 || test "${HAVE_W32}" = "yes"; then
2775 AC_CHECK_HEADER(gif_lib.h,
2776 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2777 # Earlier versions can crash Emacs.
2778 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])
2780 if test "$HAVE_GIF" = yes; then
2782 elif test "$HAVE_GIF" = maybe; then
2783 # If gif_lib.h but no libgif, try libungif.
2784 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
2785 test "$HAVE_GIF" = yes && LIBGIF=-lungif
2788 if test "${HAVE_GIF}" = "yes"; then
2789 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
2794 dnl Check for required libraries.
2795 if test "${HAVE_X11}" = "yes"; then
2798 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2799 MISSING="libXpm" && WITH_NO="--with-xpm=no"
2800 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2801 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2802 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2803 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2804 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2805 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2806 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2807 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2809 if test "X${MISSING}" != X; then
2810 AC_MSG_ERROR([The following required libraries were not found:
2812 Maybe some development libraries/packages are missing?
2813 If you don't want to link with them give
2815 as options to configure])
2819 ### Use -lgpm if available, unless `--with-gpm=no'.
2822 if test "${with_gpm}" != "no"; then
2823 AC_CHECK_HEADER(gpm.h,
2824 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2826 if test "${HAVE_GPM}" = "yes"; then
2827 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2833 dnl Check for malloc/malloc.h on darwin
2834 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
2837 ### Use NeXTstep API to implement GUI.
2838 if test "${HAVE_NS}" = "yes"; then
2839 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
2840 if test "${NS_IMPL_COCOA}" = "yes"; then
2841 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
2843 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
2844 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
2845 # See also .m.o rule in Makefile.in */
2846 # FIXME: are all these flags really needed? Document here why. */
2847 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
2848 ## Extra CFLAGS applied to src/*.m files.
2849 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"
2851 # We also have mouse menus.
2856 if test "${HAVE_W32}" = "yes"; then
2860 ### Use session management (-lSM -lICE) if available
2863 if test "${HAVE_X11}" = "yes"; then
2864 AC_CHECK_HEADER(X11/SM/SMlib.h,
2865 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2867 if test "${HAVE_X_SM}" = "yes"; then
2868 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2872 *) LIBS="$LIBXSM $LIBS" ;;
2878 ### Use libxml (-lxml2) if available
2879 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
2881 if test "${with_xml2}" != "no"; then
2882 ### I'm not sure what the version number should be, so I just guessed.
2883 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2884 if test "${HAVE_LIBXML2}" = "yes"; then
2885 if test "${opsys}" != "mingw32"; then
2886 LIBS="$LIBXML2_LIBS $LIBS"
2887 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
2889 if test "${HAVE_LIBXML2}" = "yes"; then
2890 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
2897 AC_SUBST(LIBXML2_LIBS)
2898 AC_SUBST(LIBXML2_CFLAGS)
2900 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2901 # On MinGW, that is provided by nt/inc/sys/socket.h.
2902 if test "${opsys}" = "mingw32"; then
2903 emacs_cv_netdb_declares_h_errno=yes
2905 AC_CACHE_CHECK(whether netdb declares h_errno,
2906 emacs_cv_netdb_declares_h_errno,
2907 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
2908 [[return h_errno;]])],
2909 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2910 if test $emacs_cv_netdb_declares_h_errno = yes; then
2911 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2914 # sqrt and other floating-point functions such as fmod and frexp
2915 # are found in -lm on most systems, but mingw32 doesn't use -lm.
2916 if test "${opsys}" != "mingw32"; then
2917 AC_CHECK_LIB(m, sqrt)
2920 # Check for mail-locking functions in a "mail" library. Probably this should
2921 # have the same check as for liblockfile below.
2922 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
2923 if test $have_mail = yes; then
2925 LIBS="$LIBS_MAIL $LIBS"
2926 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
2930 dnl Debian, at least:
2931 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
2932 if test $have_lockfile = yes; then
2933 LIBS_MAIL=-llockfile
2934 LIBS="$LIBS_MAIL $LIBS"
2935 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
2937 # If we have the shared liblockfile, assume we must use it for mail
2938 # locking (e.g. Debian). If we couldn't link against liblockfile
2939 # (no liblockfile.a installed), ensure that we don't need to.
2940 dnl This works for files generally, not just executables.
2941 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
2942 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2943 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2944 if test $ac_cv_prog_liblockfile = yes; then
2945 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2946 This probably means that movemail could lose mail.
2947 There may be a `development' package to install containing liblockfile.])
2950 AC_CHECK_HEADERS_ONCE(maillock.h)
2953 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
2954 ## interlock access to the mail spool. The alternative is a lock file named
2955 ## /usr/spool/mail/$USER.lock.
2958 aix4-2) mail_lock="lockf" ;;
2960 gnu|freebsd|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
2962 ## On GNU/Linux systems, both methods are used by various mail programs.
2963 ## I assume most people are using newer mailers that have heard of flock.
2964 ## Change this if you need to.
2965 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
2966 ## configure gets the right answers, and that means *NOT* using flock.
2967 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
2968 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
2969 ## Debian maintainer hasn't provided a clean fix for Emacs.
2970 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
2971 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
2972 ## correct logic. -- fx
2973 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
2974 ## liblockfile is a Free Software replacement for libmail, used on
2975 ## Debian systems and elsewhere. -rfr.
2978 if test $have_mail = yes || test $have_lockfile = yes; then
2979 test $ac_cv_header_maillock_h = yes && mail_lock=no
2985 case "$mail_lock" in
2986 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
2988 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
2990 *) BLESSMAIL_TARGET="need-blessmail" ;;
2992 AC_SUBST(BLESSMAIL_TARGET)
2995 AC_CHECK_FUNCS(gethostname \
2996 getrusage get_current_dir_name \
2998 fpathconf select getpagesize setlocale \
2999 utimes getrlimit setrlimit getcwd shutdown getaddrinfo \
3000 strsignal setitimer \
3001 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3002 gai_strerror mkstemp getline getdelim fsync sync \
3003 difftime posix_memalign \
3004 getpwent endpwent getgrent endgrent \
3006 cfmakeraw cfsetspeed copysign __executable_start)
3008 dnl getwd appears to be buggy on SVR4.2, so we don't use it.
3009 if test $opsys = unixware; then
3010 dnl In case some other test ends up checking for getwd.
3011 AC_DEFINE(BROKEN_GETWD, 1, [Define if getwd should not be used.])
3013 AC_CHECK_FUNCS(getwd)
3016 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3017 ## has a broken `rint' in some library versions including math library
3018 ## version number A.09.05.
3019 ## You can fix the math library by installing patch number PHSS_4630.
3020 ## But we can fix it more reliably for Emacs by just not using rint.
3021 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3024 *) AC_CHECK_FUNCS(random rint) ;;
3027 dnl Cannot use AC_CHECK_FUNCS
3028 AC_CACHE_CHECK([for __builtin_unwind_init],
3029 emacs_cv_func___builtin_unwind_init,
3030 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3031 emacs_cv_func___builtin_unwind_init=yes,
3032 emacs_cv_func___builtin_unwind_init=no)])
3033 if test $emacs_cv_func___builtin_unwind_init = yes; then
3034 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3035 [Define to 1 if you have the `__builtin_unwind_init' function.])
3038 AC_CHECK_HEADERS_ONCE(sys/un.h)
3043 AC_CHECK_FUNCS(grantpt)
3045 # PTY-related GNU extensions.
3046 AC_CHECK_FUNCS(getpt posix_openpt)
3048 # Check this now, so that we will NOT find the above functions in ncurses.
3049 # That is because we have not set up to link ncurses in lib-src.
3050 # It's better to believe a function is not available
3051 # than to expect to find it in ncurses.
3052 # Also we need tputs and friends to be able to build at all.
3053 AC_MSG_CHECKING([for library containing tputs])
3054 # Run a test program that contains a call to tputs, a call that is
3055 # never executed. This tests whether a pre-'main' dynamic linker
3056 # works with the library. It's too much trouble to actually call
3057 # tputs in the test program, due to portability hassles. When
3058 # cross-compiling, assume the test program will run if it links.
3059 AC_DEFUN([tputs_link_source], [
3061 [[extern void tputs (const char *, int, int (*)(int));
3062 int main (int argc, char **argv)
3065 tputs (argv[0], 0, 0);
3069 if test "${opsys} = "mingw32"; then
3072 # Maybe curses should be tried earlier?
3073 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3074 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3076 if test -z "$tputs_library"; then
3080 LIBS_TERMCAP=-l$tputs_library
3082 LIBS="$LIBS_TERMCAP $LIBS"
3084 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3085 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3087 if test "X$msg" != Xno; then
3092 AC_MSG_RESULT([$msg])
3093 if test "X$msg" = Xno; then
3094 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3095 The following libraries were tried (in order):
3096 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3097 Please try installing whichever of these libraries is most appropriate
3098 for your system, together with its header files.
3099 For example, a libncurses-dev(el) or similar package.])
3102 ## Use termcap instead of terminfo?
3103 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3105 ## FIXME? In the cases below where we unconditionally set
3106 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3107 ## if that was found above to have tputs.
3108 ## Should we use the gnu* logic everywhere?
3110 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3111 ## The ncurses library has been moved out of the System framework in
3112 ## Mac OS X 10.2. So if configure detects it, set the command-line
3113 ## option to use it.
3114 darwin) LIBS_TERMCAP="-lncurses" ;;
3116 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3119 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3120 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3121 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3122 [[#if __FreeBSD_version < 400000
3125 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3127 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3129 if test $emacs_cv_freebsd_terminfo = yes; then
3130 LIBS_TERMCAP="-lncurses"
3133 LIBS_TERMCAP="-ltermcap"
3143 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3145 LIBS_TERMCAP="-ltermcap"
3149 openbsd) LIBS_TERMCAP="-lncurses" ;;
3151 ## hpux: Make sure we get select from libc rather than from libcurses
3152 ## because libcurses on HPUX 10.10 has a broken version of select.
3153 ## We used to use -lc -lcurses, but this may be cleaner.
3154 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3155 # set that way, now it uses the default). Isn't this a contradiction?
3156 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3160 TERMCAP_OBJ=tparam.o
3161 if test $TERMINFO = yes; then
3162 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3163 TERMCAP_OBJ=terminfo.o
3165 AC_SUBST(LIBS_TERMCAP)
3166 AC_SUBST(TERMCAP_OBJ)
3169 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3170 # On Darwin, res_init appears not to be useful: see bug#562 and
3171 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3174 if test $opsys != darwin; then
3176 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3177 #include <arpa/nameser.h>
3178 #include <resolv.h>]],
3179 [[return res_init();]])],
3180 have_res_init=yes, have_res_init=no)
3181 if test "$have_res_init" = no; then
3183 LIBS="$LIBS -lresolv"
3184 AC_MSG_CHECKING(for res_init with -lresolv)
3185 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3186 #include <arpa/nameser.h>
3187 #include <resolv.h>]],
3188 [[return res_init();]])],
3189 have_res_init=yes, have_res_init=no)
3190 AC_MSG_RESULT($have_res_init)
3191 if test "$have_res_init" = yes ; then
3197 if test "$have_res_init" = yes; then
3198 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3202 # Do we need the Hesiod library to provide the support routines?
3203 dnl FIXME? Should we be skipping this on Darwin too?
3205 if test "$with_hesiod" != no ; then
3206 # Don't set $LIBS here -- see comments above. FIXME which comments?
3207 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3208 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3209 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3210 if test "$resolv" = yes ; then
3215 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3216 hesiod=yes, :, $RESOLVLIB)])
3218 if test x"$hesiod" = xyes; then
3219 AC_DEFINE(HAVE_LIBHESIOD, 1,
3220 [Define to 1 if you have the hesiod library (-lhesiod).])
3226 # Do we need libresolv (due to res_init or Hesiod)?
3227 if test "$resolv" = yes && test $opsys != darwin; then
3228 AC_DEFINE(HAVE_LIBRESOLV, 1,
3229 [Define to 1 if you have the resolv library (-lresolv).])
3236 # These tell us which Kerberos-related libraries to use.
3243 if test "${with_kerberos}" != no; then
3244 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3245 if test $have_com_err = yes; then
3246 COM_ERRLIB=-lcom_err
3247 LIBS="$COM_ERRLIB $LIBS"
3248 AC_DEFINE(HAVE_LIBCOM_ERR, 1, [Define to 1 if you have the `com_err' library (-lcom_err).])
3250 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3251 if test $have_crypto = yes; then
3253 LIBS="$CRYPTOLIB $LIBS"
3254 AC_DEFINE(HAVE_LIBCRYPTO, 1, [Define to 1 if you have the `crypto' library (-lcrypto).])
3256 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3257 if test $have_k5crypto = yes; then
3258 CRYPTOLIB=-lk5crypto
3259 LIBS="$CRYPTOLIB $LIBS"
3260 AC_DEFINE(HAVE_LIBK5CRYPTO, 1, [Define to 1 if you have the `k5crypto' library (-lk5crypto).])
3262 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3263 if test $have_krb5=yes; then
3265 LIBS="$KRB5LIB $LIBS"
3266 AC_DEFINE(HAVE_LIBKRB5, 1, [Define to 1 if you have the `krb5' library (-lkrb5).])
3268 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3269 if test "${with_kerberos5}" = no; then
3270 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3271 if test $have_des425 = yes; then
3273 LIBS="$DESLIB $LIBS"
3274 AC_DEFINE(HAVE_LIBDES425, 1, [Define to 1 if you have the `des425' library (-ldes425).])
3276 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3277 if test $have_des = yes; then
3279 LIBS="$DESLIB $LIBS"
3280 AC_DEFINE(HAVE_LIBDES, 1, [Define to 1 if you have the `des' library (-ldes).])
3283 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3284 if test $have_krb4 = yes; then
3286 LIBS="$KRB4LIB $LIBS"
3287 AC_DEFINE(HAVE_LIBKRB4, 1, [Define to 1 if you have the `krb4' library (-lkrb4).])
3289 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3290 if test $have_krb = yes; then
3292 LIBS="$KRB4LIB $LIBS"
3293 AC_DEFINE(HAVE_LIBKRB, 1, [Define to 1 if you have the `krb' library (-lkrb).])
3298 if test "${with_kerberos5}" != no; then
3299 AC_CHECK_HEADERS(krb5.h,
3300 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3301 [#include <krb5.h>])])
3303 AC_CHECK_HEADERS(des.h,,
3304 [AC_CHECK_HEADERS(kerberosIV/des.h,,
3305 [AC_CHECK_HEADERS(kerberos/des.h)])])
3306 AC_CHECK_HEADERS(krb.h,,
3307 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3308 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3310 AC_CHECK_HEADERS(com_err.h)
3313 AC_SUBST(COM_ERRLIB)
3319 AC_CHECK_FUNCS_ONCE(tzset)
3320 AC_MSG_CHECKING(whether localtime caches TZ)
3321 AC_CACHE_VAL(emacs_cv_localtime_cache,
3322 [if test x$ac_cv_func_tzset = xyes; then
3323 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3324 char TZ_GMT0[] = "TZ=GMT0";
3325 char TZ_PST8[] = "TZ=PST8";
3328 time_t now = time ((time_t *) 0);
3329 int hour_GMT0, hour_unset;
3330 if (putenv (TZ_GMT0) != 0)
3332 hour_GMT0 = localtime (&now)->tm_hour;
3334 hour_unset = localtime (&now)->tm_hour;
3335 if (putenv (TZ_PST8) != 0)
3337 if (localtime (&now)->tm_hour == hour_GMT0)
3340 if (localtime (&now)->tm_hour != hour_unset)
3343 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3344 [# If we have tzset, assume the worst when cross-compiling.
3345 emacs_cv_localtime_cache=yes])
3347 # If we lack tzset, report that localtime does not cache TZ,
3348 # since we can't invalidate the cache if we don't have tzset.
3349 emacs_cv_localtime_cache=no
3351 AC_MSG_RESULT($emacs_cv_localtime_cache)
3352 if test $emacs_cv_localtime_cache = yes; then
3353 AC_DEFINE(LOCALTIME_CACHE, 1,
3354 [Define to 1 if localtime caches TZ.])
3358 AC_CHECK_FUNC(socket, , ok_so_far=no)
3359 if test $ok_so_far = yes; then
3360 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3362 if test $ok_so_far = yes; then
3363 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3365 if test $ok_so_far = yes; then
3366 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3367 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3368 [Define to 1 if you have inet sockets.])
3371 if test -f /usr/lpp/X11/bin/smt.exp; then
3372 AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
3373 [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
3376 AC_MSG_CHECKING(whether system supports dynamic ptys)
3377 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
3379 AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
3384 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3385 dnl This can be removed once we assume Autoconf 2.70.
3387 *-solaris2.4 | *-solaris2.4.*)
3388 dnl Disable the Autoconf-generated vfork test.
3389 : ${ac_cv_func_vfork_works=no};;
3394 AC_CHECK_FUNCS(snprintf)
3396 dnl Adapted from Haible's version.
3397 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3398 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3399 [[char* cs = nl_langinfo(CODESET);]])],
3400 emacs_cv_langinfo_codeset=yes,
3401 emacs_cv_langinfo_codeset=no)
3403 if test $emacs_cv_langinfo_codeset = yes; then
3404 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3405 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3410 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3411 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3412 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3413 if test "$emacs_cv_c_restrict_arr" = yes; then
3414 AC_DEFINE(__restrict_arr, __restrict,
3415 [Define to compiler's equivalent of C99 restrict keyword in array
3416 declarations. Define as empty for no equivalent.])
3419 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3420 dnl how the tty code is related to POSIX and/or other versions of termios.
3421 dnl The following looks like a useful start.
3423 dnl AC_SYS_POSIX_TERMIOS
3424 dnl if test $ac_cv_sys_posix_termios = yes; then
3425 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3426 dnl and macros for terminal control.])
3427 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3430 dnl Turned on June 1996 supposing nobody will mind it.
3431 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3432 in the full name stands for the login id.])
3434 dnl Every platform that uses configure, except MinGW,
3435 dnl supports this. There is a create-lockfiles option you can
3436 dnl customize if you do not want the lock files to be written.
3437 dnl So it is not clear that this #define still needs to exist.
3438 if test "${opsys}" != "mingw32"; then
3439 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3440 so that Emacs can tell instantly when you try to modify a file that
3441 someone else has modified in his/her Emacs.])
3444 dnl Everybody supports this, except MS.
3445 dnl Seems like the kind of thing we should be testing for, though.
3446 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3447 if test "${opsys}" != "mingw32"; then
3448 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3451 dnl Everybody supports this, except MS-DOS.
3452 dnl Seems like the kind of thing we should be testing for, though.
3453 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3454 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3455 4.2-compatible sockets.])
3457 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3459 if test "${opsys}" = "mingw32"; then
3460 AC_DEFINE(NULL_DEVICE, ["NUL:"], [Name of the file to open to get
3461 a null file, or a data sink.])
3463 AC_DEFINE(NULL_DEVICE, ["/dev/null"], [Name of the file to open to get
3464 a null file, or a data sink.])
3467 if test "${opsys}" = "mingw32"; then
3468 AC_DEFINE(SEPCHAR, [';'], [Character that separates PATH elements.])
3470 AC_DEFINE(SEPCHAR, [':'], [Character that separates PATH elements.])
3473 dnl Everybody supports this, except MS-DOS.
3474 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3476 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3479 AC_DEFINE(DIRECTORY_SEP, ['/'],
3480 [Character that separates directories in a file name.])
3482 if test "${opsys}" = "mingw32"; then
3483 dnl Only used on MS platforms.
3484 AC_DEFINE(DEVICE_SEP, ':', [Character that separates a device in a file name.])
3485 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == DEVICE_SEP)],
3486 [Returns true if character is a device separator.])
3488 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3489 [Returns true if character is a directory separator.])
3491 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3492 [Returns true if character is any form of separator.])
3494 AH_TEMPLATE(DEVICE_SEP, [Character that separates a device in a file name.])
3496 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3497 [Returns true if character is a device separator.])
3499 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3500 [Returns true if character is a directory separator.])
3502 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3503 [Returns true if character is any form of separator.])
3506 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3510 dnl Unfortunately without libXmu we cannot support EditRes.
3511 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3512 AC_DEFINE(NO_EDITRES, 1)
3517 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3518 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3519 AC_DEFINE(NO_EDITRES, 1)
3525 irix6-5 | sol2* | unixware )
3526 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3527 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3528 dnl need the constant to dimension an array. So wire in the appropriate
3530 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3534 emacs_broken_SIGIO=no
3537 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3538 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3539 hpux* | irix6-5 | openbsd | sol2* | unixware )
3540 emacs_broken_SIGIO=yes
3544 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3545 dnl the way this system works, libc functions that return malloced
3546 dnl memory use the libc malloc implementation. Calling xfree or
3547 dnl xrealloc on the results of such functions results in a crash.
3549 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3550 dnl but that does not currently work on this system.
3552 dnl It is possible to completely override the malloc implementation on
3553 dnl AIX, but that involves putting the malloc functions in a shared
3554 dnl library and setting the MALLOCTYPE environment variable to point to
3555 dnl that shared library.
3557 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3558 dnl to avoid a crash just use the Emacs implementation for that function.
3560 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3561 dnl of this file, so that we do not check for get_current_dir_name
3562 dnl on AIX. But that might be fragile if something else ends
3563 dnl up testing for get_current_dir_name as a dependency.
3564 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3565 get_current_dir_name should not be used.])
3569 dnl Circumvent a bug in FreeBSD. In the following sequence of
3570 dnl writes/reads on a PTY, read(2) returns bogus data:
3572 dnl write(2) 1022 bytes
3573 dnl write(2) 954 bytes, get EAGAIN
3574 dnl read(2) 1024 bytes in process_read_output
3575 dnl read(2) 11 bytes in process_read_output
3577 dnl That is, read(2) returns more bytes than have ever been written
3578 dnl successfully. The 1033 bytes read are the 1022 bytes written
3579 dnl successfully after processing (for example with CRs added if the
3580 dnl terminal is set up that way which it is here). The same bytes will
3581 dnl be seen again in a later read(2), without the CRs.
3582 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3583 work around an issue when reading from a PTY.])
3589 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3590 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3595 darwin | freebsd | netbsd | openbsd )
3596 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3597 close a pty to make it a controlling terminal (it is already a
3598 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3602 dnl FIXME Surely we can test for this rather than hard-code it.
3604 netbsd | openbsd) sound_device="/dev/audio" ;;
3605 *) sound_device="/dev/dsp" ;;
3609 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3610 [Name of the default sound device.])
3613 dnl Emacs can read input using SIGIO and buffering characters itself,
3614 dnl or using CBREAK mode and making C-g cause SIGINT.
3615 dnl The choice is controlled by the variable interrupt_input.
3617 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3619 dnl Emacs uses the presence of the USABLE_SIGIO macro
3620 dnl to indicate whether or not signal-driven I/O is possible. It uses
3621 dnl INTERRUPT_INPUT to decide whether to use it by default.
3623 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
3624 dnl CBREAK mode has two disadvantages
3625 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
3626 dnl I hear that in system V this problem does not exist.
3627 dnl 2) Control-G causes output to be discarded.
3628 dnl I do not know whether this can be fixed in system V.
3630 dnl Another method of doing input is planned but not implemented.
3631 dnl It would have Emacs fork off a separate process
3632 dnl to read the input and send it to the true Emacs process
3635 darwin | gnu-linux | gnu-kfreebsd )
3636 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
3641 dnl If the system's imake configuration file defines `NeedWidePrototypes'
3642 dnl as `NO', we must define NARROWPROTO manually. Such a define is
3643 dnl generated in the Makefile generated by `xmkmf'. If we don't define
3644 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
3645 dnl taking float or double parameters.
3647 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
3648 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
3649 file defines `NeedWidePrototypes' as `NO'.])
3654 dnl Used in process.c, this must be a loop, even if it only runs once.
3655 dnl (Except on SGI; see below. Take that, clarity and consistency!)
3656 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
3657 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
3658 dnl trying suffixes 0-16.
3659 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
3660 first PTY, if PTYs are supported.])
3661 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
3662 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
3663 end of a PTY, if non-standard.])
3664 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
3665 end of a PTY, if non-standard.])
3669 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
3670 dnl You allocate a pty by opening /dev/ptc to get the master side.
3671 dnl To get the name of the slave side, you just ttyname() the master side.
3672 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
3673 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
3677 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3678 dnl multi-line AC_DEFINEs are hard. :(
3679 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)])
3680 AC_DEFINE(PTY_NAME_SPRINTF, [])
3681 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3684 dnl FIXME? Maybe use same as freebsd - see bug#12040.
3686 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3687 dnl Not used, because PTY_ITERATION is defined.
3688 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3689 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
3690 dnl But we don't have to block SIGCHLD because it is blocked in the
3691 dnl implementation of grantpt.
3692 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
3693 AC_DEFINE(PTY_NAME_SPRINTF, [])
3694 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3698 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3701 gnu-linux | gnu-kfreebsd | freebsd | netbsd )
3703 if test "x$ac_cv_func_grantpt" = xyes; then
3704 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
3705 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
3706 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
3707 dnl to prevent sigchld_handler from intercepting the child's death.
3708 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); }])
3709 dnl if HAVE_POSIX_OPENPT
3710 if test "x$ac_cv_func_posix_openpt" = xyes; then
3711 AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
3712 AC_DEFINE(PTY_NAME_SPRINTF, [])
3714 elif test "x$ac_cv_func_getpt" = xyes; then
3715 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
3716 AC_DEFINE(PTY_NAME_SPRINTF, [])
3718 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3721 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3726 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
3727 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
3728 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
3732 dnl It looks like this cannot be right, because it is not a loop.
3733 dnl However, process.c actually does this:
3739 dnl which presumably makes it OK, since irix == sgi (?).
3740 dnl FIXME it seems like this special treatment is unnecessary?
3741 dnl Why can't irix use a single-trip loop like eg cygwin?
3742 AC_DEFINE(PTY_ITERATION, [])
3743 dnl Not used, because PTY_ITERATION is defined.
3744 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
3745 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); }])
3746 dnl No need to get the pty name at all.
3747 AC_DEFINE(PTY_NAME_SPRINTF, [])
3748 dnl No need to use sprintf to get the tty name--we get that from _getpty.
3749 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
3753 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
3754 dnl from intercepting that death. If any child but grantpt's should die
3755 dnl within, it should be caught after sigrelse(2).
3756 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); }])
3760 dnl Comments are as per sol2*.
3761 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); }])
3768 dnl This change means that we don't loop through allocate_pty too
3769 dnl many times in the (rare) event of a failure.
3770 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
3771 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
3772 dnl Push various streams modules onto a PTY channel. Used in process.c.
3773 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.])
3778 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
3779 "typing" a signal character on the pty.])
3782 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
3783 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
3784 aix4-2 | cygwin | gnu | irix6-5 | freebsd | netbsd | openbsd )
3785 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3788 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
3789 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
3790 gnu-linux | gnu-kfreebsd )
3792 AC_MSG_CHECKING([for signals via characters])
3793 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3794 #include <linux/version.h>
3795 #if LINUX_VERSION_CODE < 0x20400
3796 # error "Linux version too old"
3798 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
3800 AC_MSG_RESULT([$emacs_signals_via_chars])
3801 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
3806 dnl Used in vm-limit.c
3807 AH_TEMPLATE(DATA_START, [Address of the start of the data segment.])
3808 dnl Used in lisp.h, emacs.c, mem-limits.h
3809 dnl NEWS.18 describes this as "a number which contains
3810 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
3811 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
3812 stored in a Lisp_Object.])
3813 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
3817 dnl libc defines data_start.
3818 AC_DEFINE(DATA_START, [({ extern int data_start; (char *) &data_start; })])
3822 dnl The data segment on this machine always starts at address 0x40000000.
3823 AC_DEFINE(DATA_START, [0x40000000])
3824 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
3827 AC_DEFINE(DATA_START, [0x10000000])
3828 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
3833 AH_TEMPLATE(ULIMIT_BREAK_VALUE, [Undocumented.])
3834 AH_TEMPLATE(TAB3, [Undocumented.])
3837 darwin) AC_DEFINE(TAB3, OXTABS) ;;
3839 gnu | freebsd | netbsd | openbsd )
3840 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
3841 AC_DEFINE(TAB3, OXTABS)
3844 gnu-linux | gnu-kfreebsd )
3845 dnl libc-linux/sysdeps/linux/i386/ulimit.c says that due to shared
3846 dnl library, we cannot get the maximum address for brk.
3847 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3851 ]], [[]])], AC_DEFINE(ULIMIT_BREAK_VALUE, [(32*1024*1024)]), [])
3853 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3857 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
3858 [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)],
3859 [Mark a secondary stack, like the register stack on the ia64.]), [])
3863 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
3864 run_time_remap; for HPUX.])
3868 dnl Ulimit(UL_GMEMLIM) is busted...
3869 AC_DEFINE(ULIMIT_BREAK_VALUE, [0x14000000])
3874 dnl These won't be used automatically yet. We also need to know, at least,
3875 dnl that the stack is continuous.
3876 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
3877 registers relevant for conservative garbage collection in the jmp_buf.])
3879 AH_TEMPLATE(GC_MARK_STACK, [Define to GC_USE_GCPROS_AS_BEFORE if
3880 conservative garbage collection is not known to work.])
3884 aix4-2 | hpux* | unixware)
3885 dnl Conservative garbage collection has not been tested, so for now
3886 dnl play it safe and stick with the old-fashioned way of marking.
3887 AC_DEFINE(GC_MARK_STACK, [GC_USE_GCPROS_AS_BEFORE])
3890 dnl Not all the architectures are tested, but there are Debian packages
3891 dnl for SCM and/or Guile on them, so the technique must work. See also
3892 dnl comments in alloc.c concerning setjmp and gcc.
3893 dnl Fixme: it's probably safe to just use the GCC conditional below.
3894 gnu-linux | gnu-kfreebsd )
3895 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3896 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
3897 || defined __alpha__ || defined __mips__ || defined __s390__ \
3898 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
3899 || defined __ia64__ || defined __sh__
3902 # error "setjmp not known to work on this arch"
3904 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1),
3905 AC_DEFINE(GC_MARK_STACK, [GC_USE_GCPROS_AS_BEFORE]) )
3910 if test x$GCC = xyes; then
3911 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
3912 AC_DEFINE(GC_SETJMP_WORKS, 1)
3915 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
3916 freebsd | netbsd | openbsd | irix6-5 | sol2* )
3917 AC_DEFINE(GC_SETJMP_WORKS, 1)
3922 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
3925 [[#include <setjmp.h>
3929 _longjmp (j, 1);]])],
3930 [emacs_cv_func__setjmp=yes],
3931 [emacs_cv_func__setjmp=no])])
3932 if test $emacs_cv_func__setjmp = yes; then
3933 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
3935 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
3938 [[#include <setjmp.h>
3941 if (! sigsetjmp (j, 1))
3942 siglongjmp (j, 1);]])],
3943 [emacs_cv_func_sigsetjmp=yes],
3944 [emacs_cv_func_sigsetjmp=no])])
3945 if test $emacs_cv_func_sigsetjmp = yes; then
3946 AC_DEFINE([HAVE_SIGSETJMP], 1,
3947 [Define to 1 if sigsetjmp and siglongjmp work.
3948 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
3954 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
3955 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
3956 dnl and this is all we need.
3957 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
3964 dnl Used in xfaces.c.
3965 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
3966 some systems, where it requires time.h.])
3971 dnl Define symbols to identify the version of Unix this is.
3972 dnl Define all the symbols that apply correctly.
3973 AH_TEMPLATE(BSD4_2, [Define if the system is compatible with BSD 4.2.])
3974 AH_TEMPLATE(BSD_SYSTEM, [Define if the system is compatible with BSD 4.2.])
3975 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
3976 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
3977 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
3978 AH_TEMPLATE(USG5, [Define if the system is compatible with System V.])
3979 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
3985 dnl This symbol should be defined on AIX Version 3 ???????
3986 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
3988 # error "_AIX not defined"
3990 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
3994 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
3998 dnl BSD4_3 and BSD4_4 are already defined in sys/param.h.
3999 AC_DEFINE(BSD4_2, [])
4000 AC_DEFINE(BSD_SYSTEM, [])
4001 dnl More specific than the above two. We cannot use __APPLE__ as this
4002 dnl may not be defined on non-OSX Darwin, and we cannot define DARWIN
4003 dnl here because Panther and lower CoreFoundation.h uses DARWIN to
4004 dnl distinguish OS X from pure Darwin.
4005 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4009 AC_DEFINE(BSD4_2, [])
4010 dnl Hack to avoid calling AC_PREPROC_IFELSE multiple times.
4011 dnl Would not be needed with autoconf >= 2.67, where the
4012 dnl preprocessed output is accessible in "conftest.i".
4013 AC_DEFINE(BSD_SYSTEM_AHB, 1, [Define if AH_BOTTOM should change BSD_SYSTEM.])
4016 gnu | netbsd | openbsd )
4017 AC_DEFINE(BSD4_2, [])
4018 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4020 # error "BSD_SYSTEM not defined"
4022 ]], [[]])], [], AC_DEFINE(BSD_SYSTEM, 43) )
4025 gnu-linux | gnu-kfreebsd )
4027 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4033 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4039 AC_DEFINE(USG5_4, [])
4040 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4044 AC_DEFINE(DOS_NT, [])
4045 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4051 AC_DEFINE(USG5_4, [])
4052 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4058 AC_DEFINE(USG5_4, [])
4062 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4065 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4066 emacs_cv_usable_FIONREAD=no
4070 emacs_cv_usable_FIONREAD=yes
4075 [AC_LANG_PROGRAM([[#include <sys/types.h>
4076 #include <sys/ioctl.h>
4078 # include <sys/filio.h>
4081 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4082 [emacs_cv_usable_FIONREAD=yes],
4083 [emacs_cv_usable_FIONREAD=no])
4086 if test $emacs_cv_usable_FIONREAD = yes; then
4087 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4089 if test $emacs_broken_SIGIO = no; then
4090 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4092 [AC_LANG_PROGRAM([[#include <fcntl.h>
4095 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4096 [emacs_cv_usable_SIGIO=yes],
4097 [emacs_cv_usable_SIGIO=no])],
4098 [emacs_cv_usable_SIGIO=yes],
4099 [emacs_cv_usable_SIGIO=no])
4100 if test $emacs_cv_usable_SIGIO = yes; then
4101 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4108 dnl Emacs supplies its own malloc, but glib (part of Gtk+) calls
4109 dnl memalign and on Cygwin, that becomes the Cygwin-supplied memalign.
4110 dnl As malloc is not the Cygwin malloc, the Cygwin memalign always
4111 dnl returns ENOSYS. A workaround is to set G_SLICE=always-malloc. */
4113 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4114 G_SLICE environment variable to "always-malloc" at startup, if
4119 dnl It works to open the pty's tty in the parent (Emacs), then
4120 dnl close and reopen it in the child.
4121 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4122 works to open a pty's tty in the parent process, then close and
4123 reopen it in the child.])
4127 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4128 use VSUSP instead of VSWTCH.])
4132 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4137 # Set up the CFLAGS for real compilation, so we can substitute it.
4138 CFLAGS="$REAL_CFLAGS"
4139 CPPFLAGS="$REAL_CPPFLAGS"
4141 ## Hack to detect a buggy GCC version.
4142 if test "x$GCC" = xyes \
4143 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4144 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4145 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4146 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4149 version=$PACKAGE_VERSION
4151 copyright="Copyright (C) 2012 Free Software Foundation, Inc."
4152 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4153 [Short copyright string for this version of Emacs.])
4156 ### Specify what sort of things we'll be editing into Makefile and config.h.
4157 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4159 AC_SUBST(configuration)
4164 AC_SUBST(exec_prefix)
4167 AC_SUBST(sharedstatedir)
4168 AC_SUBST(libexecdir)
4173 AC_SUBST(standardlisppath)
4174 AC_SUBST(locallisppath)
4176 AC_SUBST(x_default_search_path)
4178 AC_SUBST(archlibdir)
4183 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4184 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4185 ## end of LIBX_BASE, but nothing ever set it.
4186 AC_SUBST(LD_SWITCH_X_SITE)
4187 AC_SUBST(C_SWITCH_X_SITE)
4188 AC_SUBST(GNUSTEP_CFLAGS)
4190 ## Used in lwlib/Makefile.in.
4191 AC_SUBST(X_TOOLKIT_TYPE)
4193 AC_SUBST(ns_appbindir)
4194 AC_SUBST(ns_appresdir)
4196 AC_SUBST(GNU_OBJC_CFLAGS)
4197 AC_SUBST(OTHER_FILES)
4199 if test -n "${term_header}"; then
4200 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4201 [Define to the header for the built-in window system.])
4204 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4205 [Define to the canonical Emacs configuration name.])
4206 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
4207 [Define to the options passed to configure.])
4208 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4209 define this to include extra configuration information.])
4214 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4215 AC_DEFINE(HAVE_X_WINDOWS, 1,
4216 [Define to 1 if you want to use the X window system.])
4218 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
4220 if test "$HAVE_XFT" = "yes"; then
4221 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4222 elif test "$HAVE_FREETYPE" = "yes"; then
4223 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4233 if test "${USE_X_TOOLKIT}" != "none" ; then
4235 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4236 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4237 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4238 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4239 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4243 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4244 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4248 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4249 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4250 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4254 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4255 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4258 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4261 AC_SUBST(WIDGET_OBJ)
4264 case "$USE_X_TOOLKIT" in
4265 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4266 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4267 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4269 AC_SUBST(TOOLKIT_LIBW)
4271 if test "$USE_X_TOOLKIT" = "none"; then
4272 LIBXT_OTHER="\$(LIBXSM)"
4273 OLDXMENU_TARGET="really-oldXMenu"
4275 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4276 OLDXMENU_TARGET="really-lwlib"
4278 AC_SUBST(LIBXT_OTHER)
4280 ## The X Menu stuff is present in the X10 distribution, but missing
4281 ## from X11. If we have X10, just use the installed library;
4282 ## otherwise, use our own copy.
4283 if test "${HAVE_X11}" = "yes" ; then
4284 AC_DEFINE(HAVE_X11, 1,
4285 [Define to 1 if you want to use version 11 of X windows.
4286 Otherwise, Emacs expects to use version 10.])
4288 if test "$USE_X_TOOLKIT" = "none"; then
4289 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4291 OLDXMENU="\${lwlibdir}/liblw.a"
4293 LIBXMENU="\$(OLDXMENU)"
4294 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4295 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4297 ## For a syntactically valid Makefile; not actually used for anything.
4298 ## See comments in src/Makefile.in.
4300 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4301 if test "${HAVE_X_WINDOWS}" = "yes"; then
4310 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4317 AC_SUBST(OLDXMENU_TARGET)
4320 AC_SUBST(LIBX_OTHER)
4321 AC_SUBST(OLDXMENU_DEPS)
4323 if test "${HAVE_MENUS}" = "yes" ; then
4324 AC_DEFINE(HAVE_MENUS, 1,
4325 [Define to 1 if you have mouse menus.
4326 (This is automatic if you use X, but the option to specify it remains.)
4327 It is also defined with other window systems that support xmenu.c.])
4330 if test "${GNU_MALLOC}" = "yes" ; then
4331 AC_DEFINE(GNU_MALLOC, 1,
4332 [Define to 1 if you want to use the GNU memory allocator.])
4336 if test "${REL_ALLOC}" = "yes" ; then
4337 AC_DEFINE(REL_ALLOC, 1,
4338 [Define REL_ALLOC if you want to use the relocating allocator for
4341 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4343 AC_SUBST(RALLOC_OBJ)
4345 if test "$opsys" = "cygwin"; then
4346 CYGWIN_OBJ="sheap.o cygw32.o"
4347 ## Cygwin differs because of its unexec().
4349 POST_ALLOC_OBJ=lastfile.o
4350 elif test "$opsys" = "mingw32"; then
4353 POST_ALLOC_OBJ=lastfile.o
4356 PRE_ALLOC_OBJ=lastfile.o
4359 AC_SUBST(CYGWIN_OBJ)
4360 AC_SUBST(PRE_ALLOC_OBJ)
4361 AC_SUBST(POST_ALLOC_OBJ)
4363 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4364 # it temporarily reverts them to their pre-pkg-config values,
4365 # because gnulib needs to work with both src (which uses the
4366 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4367 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4368 # and it therefore needs to run in an environment where LIBS does not
4369 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4370 # for some package unrelated to lib-src.
4373 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4374 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4375 gl_ASSERT_NO_GNULIB_POSIXCHECK
4376 gl_ASSERT_NO_GNULIB_TESTS
4382 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4385 ## The -headerpad option tells ld (see man page) to leave room at the
4386 ## end of the header for adding load commands. Needed for dumping.
4387 ## 0x690 is the total size of 30 segment load commands (at 56
4388 ## each); under Cocoa 31 commands are required.
4389 if test "$HAVE_NS" = "yes"; then
4390 libs_nsgui="-framework AppKit"
4396 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4398 ## This is here because src/Makefile.in did some extra fiddling around
4399 ## with LD_SWITCH_SYSTEM. The cpp logic was:
4400 ## #ifndef LD_SWITCH_SYSTEM
4401 ## #if !defined (__GNUC__) && ((defined (BSD_SYSTEM) && !defined (COFF)))
4402 ## Since all the *bsds define LD_SWITCH_SYSTEM, this simplifies to:
4403 ## not using gcc, darwin.
4404 ## Because this was done in src/Makefile.in, the resulting part of
4405 ## LD_SWITCH_SYSTEM was not used in configure (ie, in ac_link).
4406 ## It therefore seems cleaner to put this in LD_SWITCH_SYSTEM_TEMACS,
4407 ## rather than LD_SWITCH_SYSTEM.
4408 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4409 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4412 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4413 ## find X at run-time.
4414 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4415 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4416 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4417 ## had different values in configure (in ac_link) and src/Makefile.in.
4418 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4419 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4421 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4424 if test "$NS_IMPL_GNUSTEP" = "yes"; then
4425 LD_SWITCH_SYSTEM_TEMACS="${LD_SWITCH_SYSTEM_TEMACS} -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES} -lgnustep-gui -lgnustep-base -lobjc -lpthread"
4428 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4434 ## gnu: GNU needs its own crt0.
4435 aix4-2|cygwin|darwin|gnu|hpux*|irix6-5|mingw32|sol2*|unixware) ORDINARY_LINK=yes ;;
4437 ## On post 1.3 releases of NetBSD, gcc -nostdlib also clears the
4438 ## library search parth, i.e. it won't search /usr/lib for libc and
4439 ## friends. Using -nostartfiles instead avoids this problem, and
4440 ## will also work on earlier NetBSD releases.
4441 netbsd|openbsd) LD_FIRSTFLAG="-nostartfiles" ;;
4443 ## powerpc*: NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp> says
4444 ## MkLinux/LinuxPPC needs this.
4445 ## s390x-* only supports opsys = gnu-linux so it can be added here.
4447 case "$canonical" in
4448 powerpc*|s390x-*) LD_FIRSTFLAG="-nostdlib" ;;
4454 if test "x$ORDINARY_LINK" = "xyes"; then
4457 AC_DEFINE(ORDINARY_LINK, 1, [Define if the C compiler is the linker.])
4459 ## The system files defining neither ORDINARY_LINK nor LD_FIRSTFLAG are:
4460 ## freebsd, gnu-* not on powerpc*|s390x*.
4461 elif test "x$GCC" = "xyes" && test "x$LD_FIRSTFLAG" = "x"; then
4463 ## Versions of GCC >= 2.0 put their library, libgcc.a, in obscure
4464 ## places that are difficult to figure out at make time. Fortunately,
4465 ## these same versions allow you to pass arbitrary flags on to the
4466 ## linker, so there is no reason not to use it as a linker.
4468 ## Well, it is not quite perfect. The "-nostdlib" keeps GCC from
4469 ## searching for libraries in its internal directories, so we have to
4470 ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
4471 LD_FIRSTFLAG="-nostdlib"
4474 ## FIXME? What setting of EDIT_LDFLAGS should this have?
4475 test "$NS_IMPL_GNUSTEP" = "yes" && LD_FIRSTFLAG="-rdynamic"
4477 AC_SUBST(LD_FIRSTFLAG)
4480 ## FIXME? The logic here is not precisely the same as that above.
4481 ## There is no check here for a pre-defined LD_FIRSTFLAG.
4482 ## Should we only be setting LIB_GCC if LD ~ -nostdlib?
4484 if test "x$GCC" = "xyes" && test "x$ORDINARY_LINK" != "xyes"; then
4487 freebsd|netbsd|openbsd) LIB_GCC= ;;
4490 ## armin76@gentoo.org reported that the lgcc_s flag is necessary to
4491 ## build on ARM EABI under GNU/Linux. (Bug#5518)
4497 ## FIXME? s/gnu-linux.h used to define LIB_GCC as below, then
4498 ## immediately undefine it again and redefine it to empty.
4499 ## Was the C_SWITCH_X_SITE part really necessary?
4500 ## LIB_GCC=`$CC $C_SWITCH_X_SITE -print-libgcc-file-name`
4506 ## Ask GCC where to find libgcc.a.
4507 *) LIB_GCC=`$CC -print-libgcc-file-name 2> /dev/null` ;;
4512 ## Common for all window systems
4513 if test "$window_system" != "none"; then
4514 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4515 AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
4516 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4519 AC_SUBST(WINDOW_SYSTEM_OBJ)
4521 AH_TOP([/* GNU Emacs site configuration template file.
4523 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2012
4524 Free Software Foundation, Inc.
4526 This file is part of GNU Emacs.
4528 GNU Emacs is free software: you can redistribute it and/or modify
4529 it under the terms of the GNU General Public License as published by
4530 the Free Software Foundation, either version 3 of the License, or
4531 (at your option) any later version.
4533 GNU Emacs is distributed in the hope that it will be useful,
4534 but WITHOUT ANY WARRANTY; without even the implied warranty of
4535 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4536 GNU General Public License for more details.
4538 You should have received a copy of the GNU General Public License
4539 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4542 /* No code in Emacs #includes config.h twice, but some bits of code
4543 intended to work with other packages as well (like gmalloc.c)
4544 think they can include it as many times as they like. */
4545 #ifndef EMACS_CONFIG_H
4546 #define EMACS_CONFIG_H
4549 AH_BOTTOM([#include <conf_post.h>
4551 #endif /* EMACS_CONFIG_H */
4560 #### Report on what we decided to do.
4561 #### Report GTK as a toolkit, even if it doesn't use Xt.
4562 #### It makes printing result more understandable as using GTK sets
4563 #### toolkit_scroll_bars to yes by default.
4564 if test "${HAVE_GTK}" = "yes"; then
4565 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4569 Configured for \`${canonical}'.
4571 Where should the build process find the source code? ${srcdir}
4572 What compiler should emacs be built with? ${CC} ${CFLAGS}
4573 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4574 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4575 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4576 What window system should Emacs use? ${window_system}
4577 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4579 if test -n "${x_includes}"; then
4580 echo " Where do we find X Windows header files? ${x_includes}"
4582 echo " Where do we find X Windows header files? Standard dirs"
4584 if test -n "${x_libraries}"; then
4585 echo " Where do we find X Windows libraries? ${x_libraries}"
4587 echo " Where do we find X Windows libraries? Standard dirs"
4590 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4591 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4592 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4593 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4594 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4595 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4596 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4597 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4599 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4600 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4601 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4602 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4603 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4604 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4605 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4607 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4608 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4609 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4610 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4612 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4615 if test -n "${EMACSDATA}"; then
4616 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4618 if test -n "${EMACSDOC}"; then
4619 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4624 if test "$HAVE_NS" = "yes"; then
4626 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4627 The installed application will go to nextstep/Emacs.app and can be
4628 run or moved from there."
4629 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4630 echo "The application will be fully self-contained."
4632 echo "The lisp resources for the application will be installed under ${prefix}.
4633 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4634 to run if these resources are not installed."
4639 if test "${opsys}" = "cygwin"; then
4641 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4647 # Remove any trailing slashes in these variables.
4648 [test "${prefix}" != NONE &&
4649 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4650 test "${exec_prefix}" != NONE &&
4651 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4653 if test "$HAVE_NS" = "yes"; then
4654 if test "$NS_IMPL_GNUSTEP" = yes; then
4655 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4656 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4658 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4659 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4663 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4664 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4665 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4666 dnl (else you get "no `Makefile.am' found for any configure output").
4667 dnl This will work, but you get a config.status that is not quite right
4668 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4669 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4670 dnl it seems better to just live with the duplication.
4671 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"
4673 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4674 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4675 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4676 leim/Makefile nextstep/Makefile])
4678 dnl test/ is not present in release tarfiles.
4679 opt_makefile=test/automated/Makefile
4681 if test -f $srcdir/${opt_makefile}.in; then
4682 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4683 dnl Again, it's best not to use a variable. Though you can add
4684 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4685 AC_CONFIG_FILES([test/automated/Makefile])
4689 dnl admin/ may or may not be present.
4690 opt_makefile=admin/unidata/Makefile
4692 if test -f $srcdir/${opt_makefile}.in; then
4693 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4694 AC_CONFIG_FILES([admin/unidata/Makefile])
4698 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4700 AC_SUBST(SUBDIR_MAKEFILES_IN)
4702 dnl Make the necessary directories, if they don't exist.
4703 AC_CONFIG_COMMANDS([mkdirs], [
4704 for dir in etc lisp ; do
4705 test -d ${dir} || mkdir ${dir}
4709 dnl You might wonder (I did) why epaths.h is generated by running make,
4710 dnl rather than just letting configure generate it from epaths.in.
4711 dnl One reason is that the various paths are not fully expanded (see above);
4712 dnl eg gamedir=${prefix}/var/games/emacs.
4713 dnl Secondly, the GNU Coding standards require that one should be able
4714 dnl to run `make prefix=/some/where/else' and override the values set
4715 dnl by configure. This also explains the `move-if-change' test and
4716 dnl the use of force in the `epaths-force' rule in Makefile.in.
4717 AC_CONFIG_COMMANDS([epaths], [
4718 echo creating src/epaths.h
4719 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
4720 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS"])
4722 AC_CONFIG_COMMANDS([gdbinit], [
4723 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
4724 echo creating src/.gdbinit
4725 echo source $srcdir/src/.gdbinit > src/.gdbinit