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, 1999-2014 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 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 24.4.50, bug-gnu-emacs@gnu.org)
28 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
29 dnl and then quoted again for a C string. Separate options with spaces.
30 dnl Add some environment variables, if they were passed via the environment
31 dnl rather than on the command-line.
34 dnl This is the documented way to record the args passed to configure,
35 dnl rather than $ac_configure_args.
36 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
38 -n | --no-create | --no-recursion)
40 CFLAGS | CPPFLAGS | LDFLAGS)
41 eval 'test "${'$opt'+set}" = set' || continue
43 *" $opt="*) continue ;;
45 eval opt=$opt=\$$opt ;;
48 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
50 *[["$emacs_shell_specials"]]*)
53 emacs_quote_apostrophes="s/'/'\\\\''/g"
54 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
59 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
60 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
63 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
67 AC_CONFIG_HEADERS(src/config.h:src/config.in)
68 AC_CONFIG_SRCDIR(src/lisp.h)
69 AC_CONFIG_AUX_DIR(build-aux)
70 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
71 dnl With older versions this is a no-op.
72 AC_CONFIG_MACRO_DIR(m4)
75 AC_CHECK_PROGS(XCRUN, [xcrun])
76 if test -n "$XCRUN"; then
77 if test -z "$MAKE"; then
78 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
79 dnl the usual MAKE variable that 'make' itself uses.
80 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
81 if test -z "$MAKE_PROG"; then
84 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
89 dnl GNU Make is required, so don't test for its individual features.
90 am_cv_make_support_nested_variables=yes
91 AC_DEFUN([AC_PROG_MAKE_SET],
93 AC_SUBST([SET_MAKE])])
95 dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
96 [emacs_check_gnu_make ()
98 emacs_makeout=`($1 --version) 2>/dev/null` &&
99 case $emacs_makeout in
100 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
101 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
102 ac_path_MAKE_found=:;;
105 AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
106 [ac_path_MAKE_found=false
107 if test -n "$MAKE"; then
108 emacs_check_gnu_make "$MAKE"
109 ac_cv_path_MAKE=$MAKE
111 emacs_tried_make=false
112 emacs_tried_gmake=false
113 emacs_tried_gnumake=false
114 AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
115 [[emacs_check_gnu_make "$ac_path_MAKE"
116 if $ac_path_MAKE_found; then
117 # Use the fully-qualified program name only if the basename
118 # would not resolve to it.
119 if eval \$emacs_tried_$ac_prog; then
120 ac_cv_path_MAKE=$ac_path_MAKE
122 ac_cv_path_MAKE=$ac_prog
125 eval emacs_tried_$ac_prog=:]])
127 $ac_path_MAKE_found || {
128 AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
129 If you have it installed under another name, configure with 'MAKE=...'.
130 For example, run '$0 MAKE=gnu-make'.]])
132 MAKE=$ac_cv_path_MAKE
134 dnl Fairly arbitrary, older versions might work too.
135 AM_INIT_AUTOMAKE(1.11)
137 dnl Canonicalize the configuration name.
140 configuration=${host_alias-${build_alias-$host}}
142 dnl We get MINGW64 with MSYS2.
145 . $srcdir/nt/mingw-cfg.site
149 # srcdir is an absolute path. In this case, force the format
150 # "/c/foo/bar", to simplify later conversions to native Windows
151 # format ("c:/foo/bar").
152 srcdir=`cd "${srcdir}" && pwd -W`
153 srcdir="/${srcdir:0:1}${srcdir:2}"
158 dnl Support for --program-prefix, --program-suffix and
159 dnl --program-transform-name options
162 dnl It is important that variables on the RHS not be expanded here,
163 dnl hence the single quotes. This is per the GNU coding standards, see
164 dnl (autoconf) Installation Directory Variables
165 dnl See also epaths.h below.
166 lispdir='${datadir}/emacs/${version}/lisp'
167 standardlisppath='${lispdir}'
168 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
169 '${datadir}/emacs/site-lisp'
170 lisppath='${locallisppath}:${standardlisppath}'
171 etcdir='${datadir}/emacs/${version}/etc'
172 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
173 etcdocdir='${datadir}/emacs/${version}/etc'
174 gamedir='${localstatedir}/games/emacs'
176 dnl Special option to disable the most of other options.
178 [AS_HELP_STRING([--without-all],
179 [omit almost all features and build
180 small executable with minimal dependencies])],
181 [with_features=$withval],
184 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
185 dnl Create a new --with option that defaults to being disabled.
186 dnl NAME is the base name of the option. The shell variable with_NAME
187 dnl will be set to either the user's value (if the option is
188 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
189 dnl option is not specified). Note that the shell variable name is
190 dnl constructed as autoconf does, by replacing non-alphanumeric
191 dnl characters with "_".
192 dnl HELP-STRING is the help text for the option.
193 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
194 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
195 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
198 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
199 dnl Create a new --with option that defaults to $with_features.
200 dnl NAME is the base name of the option. The shell variable with_NAME
201 dnl will be set either to 'no' (for a plain --without-NAME) or to
202 dnl 'yes' (if the option is not specified). Note that the shell
203 dnl variable name is constructed as autoconf does, by replacing
204 dnl non-alphanumeric characters with "_".
205 dnl HELP-STRING is the help text for the option.
206 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
207 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
208 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
211 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
212 if test "$with_pop" = yes; then
213 AC_DEFINE(MAIL_USE_POP)
215 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
217 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
218 if test "$with_kerberos" != no; then
221 AH_TEMPLATE(KERBEROS,
222 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
224 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
225 if test "${with_kerberos5}" != no; then
226 if test "${with_kerberos}" = no; then
230 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
233 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
234 dnl FIXME hesiod support may not be present, so it seems like an error
235 dnl to define, or at least use, this unconditionally.
236 if test "$with_hesiod" != no; then
237 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
240 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
241 if test "$with_mmdf" != no; then
242 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
245 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
246 if test "$with_mail_unlink" != no; then
247 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
250 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
251 [string giving default POP mail host])],
252 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
254 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
255 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
256 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
257 [ case "${withval}" in
258 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
259 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
260 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
265 [with_sound=$with_features])
267 dnl FIXME currently it is not the last.
268 dnl This should be the last --with option, because --with-x is
269 dnl added later on when we find the file name of X, and it's best to
270 dnl keep them together visually.
271 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
272 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
273 [ case "${withval}" in
274 y | ye | yes ) val=gtk ;;
276 l | lu | luc | luci | lucid ) val=lucid ;;
277 a | at | ath | athe | athen | athena ) val=athena ;;
278 m | mo | mot | moti | motif ) val=motif ;;
279 g | gt | gtk ) val=gtk ;;
283 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
284 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
285 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
286 `athena' and `lucid' are synonyms.])
292 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
293 if test "$with_wide_int" = yes; then
294 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
297 dnl _ON results in a '--without' option in the --help output, so
298 dnl the help text should refer to "don't compile", etc.
299 with_xpm_set=${with_xpm+set}
300 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
301 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
302 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
303 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
304 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
305 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
306 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
307 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
309 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
310 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
311 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
313 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
314 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
315 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
316 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
317 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
319 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
320 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
321 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
322 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
323 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
324 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
325 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
327 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
328 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
329 [ case "${withval}" in
330 y | ye | yes ) val=yes ;;
332 g | gf | gfi | gfil | gfile ) val=gfile ;;
333 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
334 w | w3 | w32 ) val=w32 ;;
335 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
336 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
337 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
338 otherwise for the first of `gfile' or `inotify' that is usable.])
341 with_file_notification=$val
343 [with_file_notification=$with_features])
345 ## For the times when you want to build Emacs but don't have
346 ## a suitable makeinfo, and can live without the manuals.
347 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
348 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
350 ## This might be a 'configure' arg.
351 AC_SUBST([ACLOCAL_PATH])
353 ## Makefile.in needs the cache file name.
356 ## This is an option because I do not know if all info/man support
357 ## compressed files, nor how to test if they do so.
358 OPTION_DEFAULT_ON([compress-install],
359 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
360 make GZIP_PROG= install])
362 AC_ARG_WITH(gameuser,dnl
363 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
364 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
365 && gameuser="${with_gameuser}"
366 test "X$gameuser" = X && gameuser=games
368 AC_ARG_WITH([gnustep-conf],dnl
369 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
370 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
371 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
372 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
373 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
374 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
376 AC_ARG_ENABLE(ns-self-contained,
377 [AS_HELP_STRING([--disable-ns-self-contained],
378 [disable self contained build under NeXTstep])],
379 EN_NS_SELF_CONTAINED=$enableval,
380 EN_NS_SELF_CONTAINED=yes)
382 AC_ARG_ENABLE(locallisppath,
383 [AS_HELP_STRING([--enable-locallisppath=PATH],
384 [directories Emacs should search for lisp files specific
386 if test "${enableval}" = "no"; then
388 elif test "${enableval}" != "yes"; then
389 locallisppath=${enableval}
392 AC_ARG_ENABLE(checking,
393 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
394 [enable expensive run-time checks])]
395 [ac_checking_flags="${enableval}"],[])
396 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
397 for check in $ac_checking_flags
400 # these set all the flags to specific states
401 yes) ac_enable_checking=1 ;;
402 all) ac_enable_checking=1 ;;
403 *) AC_MSG_ERROR(unknown check category $check) ;;
408 if test x$ac_enable_checking != x ; then
409 AC_DEFINE(ENABLE_CHECKING, 1,
410 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
413 AC_ARG_ENABLE(check-lisp-object-type,
414 [AS_HELP_STRING([--enable-check-lisp-object-type],
415 [enable compile time checks for the Lisp_Object data type.
416 This is useful for development for catching certain types of bugs.])],
417 if test "${enableval}" != "no"; then
418 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
419 [Define this to enable compile time checks for the Lisp_Object data type.])
423 dnl The name of this option is unfortunate. It predates, and has no
424 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
425 dnl Actually, it stops it working.
426 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
427 AC_ARG_ENABLE(profiling,
428 [AS_HELP_STRING([--enable-profiling],
429 [build emacs with low-level, gprof profiling support.
430 Mainly useful for debugging Emacs itself. May not work on
431 all platforms. Stops profiler.el working.])],
432 [ac_enable_profiling="${enableval}"],[])
433 if test x$ac_enable_profiling != x ; then
434 PROFILING_CFLAGS="-DPROFILING=1 -pg"
438 AC_SUBST(PROFILING_CFLAGS)
440 AC_ARG_ENABLE(autodepend,
441 [AS_HELP_STRING([--enable-autodepend],
442 [automatically generate dependencies to .h-files.
443 Requires gcc, enabled if found.])],
444 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
446 AC_ARG_ENABLE(gtk-deprecation-warnings,
447 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
448 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
449 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
451 dnl This used to use changequote, but, apart from `changequote is evil'
452 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
453 dnl the great gob of text. Thus it's not processed for possible expansion.
454 dnl Just make sure the brackets remain balanced.
456 dnl Since Emacs can't find matching pairs of quotes, boundaries are
457 dnl indicated by comments.
461 ### If you add support for a new configuration, add code to this
462 ### switch statement to recognize your configuration name and select
463 ### the appropriate opsys.
465 ### As far as handling version numbers on operating systems is
466 ### concerned, make sure things will fail in a fixable way. If
467 ### /etc/MACHINES doesn't say anything about version numbers, be
468 ### prepared to handle anything reasonably. If version numbers
469 ### matter, be sure /etc/MACHINES says something about it.
472 case "${canonical}" in
474 ## GNU/Linux and similar ports
489 ## FreeBSD kernel + glibc based userland
500 *-*-openbsd* | *-*-mirbsd* )
504 ## Apple Darwin / Mac OS X
506 case "${canonical}" in
513 ## Use fink packages if available.
514 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
515 ## if test -d /sw/include && test -d /sw/lib; then
516 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
517 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
526 ## HP 9000 series 700 and 800, running HP/UX
530 hppa*-hp-hpux1[1-9]* )
532 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
536 rs6000-ibm-aix4.[23]* )
539 powerpc-ibm-aix4.[23]* )
542 rs6000-ibm-aix[56]* )
545 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
549 ## Silicon Graphics machines
553 # Without defining _LANGUAGE_C, things get masked out in the headers
554 # so that, for instance, grepping for `free' in stdlib.h fails and
555 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
556 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
561 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
562 | x86_64-*-solaris2* | x86_64-*-sunos5*)
563 case "${canonical}" in
565 amd64-*-*|x86_64-*-*) ;;
569 case "${canonical}" in
570 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
572 emacs_check_sunpro_c=yes
574 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
575 ## Note that Emacs 23.1's NEWS said the following would be dropped.
576 *-sunos5.6* | *-solaris2.6* )
580 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
581 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
583 emacs_check_sunpro_c=yes
586 ## Watch out for a compiler that we know will not work.
587 case "${canonical}" in
588 *-solaris* | *-sunos5* )
589 if [ "x$CC" = x/usr/ucb/cc ]; then
590 ## /usr/ucb/cc doesn't work;
591 ## we should find some other compiler that does work.
599 ## Intel 386 machines where we don't care about the manufacturer.
601 case "${canonical}" in
602 *-darwin* ) opsys=darwin ;;
605 # MinGW overrides and adds some system headers in nt/inc.
606 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
608 *-sysv4.2uw* ) opsys=unixware ;;
609 *-sysv5uw* ) opsys=unixware ;;
610 *-sysv5OpenUNIX* ) opsys=unixware ;;
611 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
617 case "${canonical}" in
620 # MinGW overrides and adds some system headers in nt/inc.
621 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
623 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
632 ### If the code above didn't choose an operating system, just choose
633 ### an operating system based on the configuration name. You really
634 ### only want to use this when you have no idea what the right
635 ### operating system is; if you know what operating systems a machine
636 ### runs, it's cleaner to make it explicit in the case statement
638 if test x"${opsys}" = x; then
639 case "${canonical}" in
640 *-gnu* ) opsys=gnu ;;
650 if test $unported = yes; then
651 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
652 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
653 Check `etc/MACHINES' for recognized configuration names.])
657 #### Choose a compiler.
659 dnl Don't bother to test for C89.
660 AC_DEFUN([_AC_PROG_CC_C89], [$2])
662 dnl Sets GCC=yes if using gcc.
663 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
664 if test -n "$XCRUN"; then
665 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
666 test -n "$AR" && export AR
669 dnl Emacs needs C99 or later.
674 if test x$GCC = xyes; then
675 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
677 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
680 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
681 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
682 dnl that clash with MinGW.
683 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
685 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
686 AC_DEFUN([gl_CRYPTO_CHECK])
687 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
688 # as we don't use them.
689 AC_DEFUN([gl_FCNTL_O_FLAGS])
691 # Initialize gnulib right after choosing the compiler.
692 dnl Amongst other things, this sets AR and ARFLAGS.
695 if test "$ac_test_CFLAGS" != set; then
696 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
697 # if -g3 works and the user does not specify CFLAGS.
698 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
701 emacs_g3_CFLAGS='-g3';;
703 emacs_g3_CFLAGS='-g3 -O2';;
707 if test -n "$emacs_g3_CFLAGS"; then
708 emacs_save_CFLAGS=$CFLAGS
709 CFLAGS=$emacs_g3_CFLAGS
710 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
711 [emacs_cv_prog_cc_g3],
712 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
713 [emacs_cv_prog_cc_g3=yes],
714 [emacs_cv_prog_cc_g3=no])])
715 if test $emacs_cv_prog_cc_g3 != yes; then
716 CFLAGS=$emacs_save_CFLAGS
718 if test $opsys = mingw32; then
719 CFLAGS="$CFLAGS -gdwarf-2"
726 # No optimization flag was inferred for this non-GCC compiler.
727 # Try -O. This is needed for xlc on AIX; see Bug#14258.
728 emacs_save_CFLAGS=$CFLAGS
729 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
731 AC_CACHE_CHECK([whether $CC accepts -O],
732 [emacs_cv_prog_cc_o],
733 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
734 [emacs_cv_prog_cc_o=yes],
735 [emacs_cv_prog_cc_o=no])])
736 if test $emacs_cv_prog_cc_o != yes; then
737 CFLAGS=$emacs_save_CFLAGS
742 AC_ARG_ENABLE([gcc-warnings],
743 [AS_HELP_STRING([--enable-gcc-warnings],
744 [turn on lots of GCC warnings/errors. This is intended for
745 developers, and may generate false alarms when used
746 with older or non-GNU development tools.])],
749 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
751 gl_gcc_warnings=$enableval],
755 # clang is unduly picky about some things.
756 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
763 [emacs_cv_clang=yes],
764 [emacs_cv_clang=no])])
766 # When compiling with GCC, prefer -isystem to -I when including system
767 # include files, to avoid generating useless diagnostics for the files.
768 if test "$gl_gcc_warnings" != yes; then
770 if test "$emacs_cv_clang" = yes
772 # Turn off some warnings if supported.
773 gl_WARN_ADD([-Wno-switch])
774 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
775 gl_WARN_ADD([-Wno-pointer-sign])
780 # This, $nw, is the list of warnings we disable.
783 case $with_x_toolkit in
784 lucid | athena | motif)
785 # Old toolkits mishandle 'const'.
786 nw="$nw -Wwrite-strings"
789 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
792 AC_SUBST([WERROR_CFLAGS])
794 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
795 nw="$nw -Woverlength-strings" # Not a problem these days
796 nw="$nw -Wlogical-op" # any use of fwrite provokes this
797 nw="$nw -Wformat-nonliteral" # we do this a lot
798 nw="$nw -Wvla" # warnings in gettext.h
799 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
800 nw="$nw -Wswitch-default" # Too many warnings for now
801 nw="$nw -Winline" # OK to ignore 'inline'
802 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
803 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
804 # signed overflow has undefined behavior
805 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
806 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
807 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
809 # Emacs doesn't care about shadowing; see
810 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
813 # Emacs's use of alloca inhibits protecting the stack.
814 nw="$nw -Wstack-protector"
816 # The following line should be removable at some point.
817 nw="$nw -Wsuggest-attribute=pure"
819 # This part is merely for shortening the command line,
820 # since -Wno-FOO needs to be added below regardless.
821 nw="$nw -Wmissing-field-initializers"
823 nw="$nw -Wtype-limits"
824 nw="$nw -Wunused-parameter"
826 if test $emacs_cv_clang = yes; then
827 nw="$nw -Wcast-align"
830 gl_MANYWARN_ALL_GCC([ws])
831 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
835 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
836 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
837 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
838 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
839 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
840 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
841 gl_WARN_ADD([-Wno-format-nonliteral])
843 # In spite of excluding -Wlogical-op above, it is enabled, as of
844 # gcc 4.5.0 20090517.
845 gl_WARN_ADD([-Wno-logical-op])
847 # More things that clang is unduly picky about.
848 if test $emacs_cv_clang = yes; then
849 gl_WARN_ADD([-Wno-format-extra-args])
850 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
851 gl_WARN_ADD([-Wno-unused-command-line-argument])
852 gl_WARN_ADD([-Wno-unused-value])
855 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
856 AH_VERBATIM([FORTIFY_SOURCE],
857 [/* Enable compile-time and run-time bounds-checking, and some warnings,
858 without upsetting glibc 2.15+. */
859 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
860 # define _FORTIFY_SOURCE 2
863 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
865 # We use a slightly smaller set of warning options for lib/.
866 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
868 nw="$nw -Wunused-macros"
870 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
871 AC_SUBST([GNULIB_WARN_CFLAGS])
881 AC_ARG_ENABLE(link-time-optimization,
882 [AS_HELP_STRING([--enable-link-time-optimization],
883 [build emacs with link-time optimization.
884 This requires GCC 4.5.0 or later, or clang.
885 (Note that clang support is experimental - see INSTALL.)
886 It also makes Emacs harder to debug, and when we tried it
887 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
888 recommended for typical use.])],
889 if test "${enableval}" != "no"; then
891 if test $emacs_cv_clang = yes; then
892 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
893 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
894 if test -x "$GOLD_PLUGIN"; then
897 elif test x$GCC = xyes; then
898 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
899 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
900 if test x$CPUS != x; then
906 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
908 if test -z "$LTO"; then
912 CFLAGS="$CFLAGS $LTO"
913 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
914 [ac_lto_supported=yes], [ac_lto_supported=no])
917 AC_MSG_RESULT([$ac_lto_supported])
918 if test "$ac_lto_supported" = "yes"; then
919 CFLAGS="$CFLAGS $LTO"
920 if test x$emacs_cv_clang = xyes; then
921 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
922 # WARNING: 'ar --plugin ...' doesn't work without
923 # command, so plugin name is appended to ARFLAGS.
924 ARFLAGS="cru --plugin $GOLD_PLUGIN"
925 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
927 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
928 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
929 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
930 dnl dump core on Fedora 20, so play it safe for now.
931 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
932 [CFLAGS="$CFLAGS -ffat-lto-objects"])
937 dnl Some other nice autoconf tests.
938 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
941 dnl if test "x$RANLIB" = x; then
946 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
947 dnl can be made to directories. This is not relevant for our usage, and
948 dnl excludes some cases that work fine for us. Eg MS Windows or files
949 dnl hosted on AFS, both examples where simple links work, but links to
950 dnl directories fail. We use a cut-down version instead.
953 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
954 rm -f conf$$ conf$$.file
956 LN_S_FILEONLY='cp -p'
958 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
959 dnl random program in the current directory.
960 if (echo >conf$$.file) 2>/dev/null; then
961 if ln -s conf$$.file conf$$ 2>/dev/null; then
962 if test "$opsys" = "mingw32"; then
963 LN_S_FILEONLY='/bin/ln -s'
965 LN_S_FILEONLY='ln -s'
967 elif ln conf$$.file conf$$ 2>/dev/null; then
968 if test "$opsys" = "mingw32"; then
969 LN_S_FILEONLY=/bin/ln
976 rm -f conf$$ conf$$.file
978 if test "$LN_S_FILEONLY" = "ln -s"; then
981 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
984 AC_SUBST(LN_S_FILEONLY)
987 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
988 dnl doesn't support links to directories, as in "ln file dir". But that
989 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
990 dnl executables at "make install" time.
991 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
992 dnl for more details.
993 if test "$opsys" = "mingw32"; then
997 dnl On some Debian versions, "install-info" prints irritating messages
998 dnl "This is not dpkg install-info anymore, but GNU install-info"
999 dnl if called via an absolute file name.
1000 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1001 dnl Sadly some people may have an old ginstall-info installed on
1002 dnl non-Debian systems, so we can't use this.
1003 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1004 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1006 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1007 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1008 dnl Don't use GZIP, which is used by gzip for additional parameters.
1009 AC_PATH_PROG(GZIP_PROG, gzip)
1011 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1012 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1014 if test $opsys = gnu-linux; then
1015 AC_PATH_PROG(PAXCTL, paxctl,,
1016 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1017 if test "X$PAXCTL" != X; then
1018 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1019 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1020 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1021 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1024 if test "${SETFATTR+set}" != set; then
1025 AC_CACHE_CHECK([for setfattr],
1026 [emacs_cv_prog_setfattr],
1028 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1029 emacs_cv_prog_setfattr=yes
1031 emacs_cv_prog_setfattr=no
1033 if test "$emacs_cv_prog_setfattr" = yes; then
1039 AC_SUBST([SETFATTR])
1043 ## Need makeinfo >= 4.7 (?) to build the manuals.
1044 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1045 dnl By this stage, configure has already checked for egrep and set EGREP,
1046 dnl or exited with an error if no egrep was found.
1047 if test "$MAKEINFO" != "no"; then
1049 $MAKEINFO --version 2> /dev/null |
1050 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1056 ## Makeinfo is unusual. For a released Emacs, the manuals are
1057 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1058 ## therefore in the category of "special tools" not normally required, which
1059 ## configure does not have to check for (eg autoconf itself).
1060 ## In a repository checkout on the other hand, the manuals are not included.
1061 ## So makeinfo is a requirement to build from the repository, and configure
1062 ## should test for it as it does for any other build requirement.
1063 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1064 ## with pre-built manuals, from a repository checkout.
1067 if test "$MAKEINFO" = "no"; then
1069 if test "x${with_makeinfo}" = "xno"; then
1071 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1072 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1073 source tree does not seem to have pre-built manuals in the `info' directory.
1074 Either install a suitable version of makeinfo, or re-run configure
1075 with the `--without-makeinfo' option to build without the manuals.] )
1078 AC_SUBST(HAVE_MAKEINFO)
1080 if test $opsys = mingw32; then
1081 DOCMISC_W32=efaq-w32
1085 AC_SUBST(DOCMISC_W32)
1087 dnl Add our options to ac_link now, after it is set up.
1089 if test x$GCC = xyes; then
1090 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1091 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1093 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1094 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1097 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1098 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1099 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1100 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1101 dnl if not built to support GNU ld.
1103 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1104 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1105 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1106 dnl Eg "make LDFLAGS=... all" could run into problems,
1107 dnl http://bugs.debian.org/684788
1108 dnl * unnecessary, since temacs is the only thing that actually needs it.
1109 dnl Indeed this is where it was originally, prior to:
1110 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1111 late_LDFLAGS="$LDFLAGS"
1112 if test x$GCC = xyes; then
1113 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1115 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1118 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1120 AC_MSG_CHECKING([for -znocombreloc])
1121 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1122 [AC_MSG_RESULT(yes)],
1123 LDFLAGS_NOCOMBRELOC=
1124 [AC_MSG_RESULT(no)])
1126 LDFLAGS="$late_LDFLAGS"
1128 AC_CACHE_CHECK([whether addresses are sanitized],
1129 [emacs_cv_sanitize_address],
1132 [[#ifndef __has_feature
1133 #define __has_feature(f) 0
1135 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1137 error "Addresses are not sanitized.";
1140 [emacs_cv_sanitize_address=yes],
1141 [emacs_cv_sanitize_address=no])])
1143 dnl The function dump-emacs will not be defined and temacs will do
1144 dnl (load "loadup") automatically unless told otherwise.
1145 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1146 AC_SUBST(CANNOT_DUMP, yes)
1148 UNEXEC_OBJ=unexelf.o
1150 # MSDOS uses unexcoff.o
1152 UNEXEC_OBJ=unexaix.o
1158 UNEXEC_OBJ=unexmacosx.o
1161 UNEXEC_OBJ=unexhp9k800.o
1164 UNEXEC_OBJ=unexw32.o
1167 # Use the Solaris dldump() function, called from unexsol.c, to dump
1168 # emacs, instead of the generic ELF dump code found in unexelf.c.
1169 # The resulting binary has a complete symbol table, and is better
1170 # for debugging and other observability tools (debuggers, pstack, etc).
1172 # If you encounter a problem using dldump(), please consider sending
1173 # a message to the OpenSolaris tools-linking mailing list:
1174 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1176 # It is likely that dldump() works with older Solaris too, but this has
1177 # not been tested, so for now this change is for Solaris 10 or newer.
1178 UNEXEC_OBJ=unexsol.o
1185 ## Let `ld' find image libs and similar things in /usr/local/lib.
1186 ## The system compiler, GCC, has apparently been modified to not
1187 ## look there, contrary to what a stock GCC would do.
1188 ### It's not our place to do this. See bug#10313#17.
1189 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1194 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1195 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1199 ### It's not our place to do this. See bug#10313#17.
1200 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1205 ## Han Boetes <han@boetes.org> says this is necessary,
1206 ## otherwise Emacs dumps core on elf systems.
1207 LD_SWITCH_SYSTEM="-Z"
1210 AC_SUBST(LD_SWITCH_SYSTEM)
1212 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1214 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1215 ## which has not been defined yet. When this was handled with cpp,
1216 ## it was expanded to null when configure sourced the s/*.h file.
1217 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1218 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1219 ## (or somesuch), but because it is supposed to go at the _front_
1220 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1221 ## Compare with the gnu-linux case below, which added to the end
1222 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1223 ## LD_SWITCH_SYSTEM_TEMACS.
1226 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1233 AC_CHECK_DECL([__ELF__])
1234 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1235 ## With ELF, make sure that all common symbols get allocated to in the
1236 ## data section. Otherwise, the dump of temacs may miss variables in
1237 ## the shared library that have been initialized. For example, with
1238 ## GNU libc, __malloc_initialized would normally be resolved to the
1239 ## shared library's .bss section, which is fatal.
1240 if test "x$GCC" = "xyes"; then
1241 C_SWITCH_MACHINE="-fno-common"
1243 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1246 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1247 dnl albeit under the mistaken assumption that said file
1248 dnl was no longer used.
1249 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1253 AC_SUBST(C_SWITCH_MACHINE)
1255 AC_SUBST(UNEXEC_OBJ)
1258 ## Some programs in src produce warnings saying certain subprograms
1259 ## are too complex and need a MAXMEM value greater than 2000 for
1260 ## additional optimization. --nils@exp-math.uni-essen.de
1261 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1262 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1263 if test "$opsys" = "mingw32"; then
1264 case "$canonical" in
1265 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1266 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1269 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1270 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1271 AC_SUBST(C_SWITCH_SYSTEM)
1276 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1277 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1279 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1281 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1283 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1285 ## Motif needs -lgen.
1286 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1289 AC_SUBST(LIBS_SYSTEM)
1291 ### Make sure subsequent tests use flags consistent with the build flags.
1293 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1294 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1296 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1299 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1300 AC_DEFUN([AC_TYPE_SIZE_T])
1301 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1302 AC_DEFUN([AC_TYPE_UID_T])
1304 # sqrt and other floating-point functions such as fmod and frexp
1305 # are found in -lm on many systems.
1307 AC_SEARCH_LIBS([sqrt], [m])
1308 if test "X$LIBS" = "X$OLD_LIBS"; then
1311 LIB_MATH=$ac_cv_search_sqrt
1315 dnl Current possibilities handled by sed (aix4-2 -> aix,
1316 dnl gnu-linux -> gnu/linux, etc.):
1317 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1318 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1319 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1326 ## Adding -lm confuses the dynamic linker, so omit it.
1329 freebsd | dragonfly )
1330 SYSTEM_TYPE=berkeley-unix
1332 gnu-linux | gnu-kfreebsd )
1334 hpux10-20 | hpux11 )
1338 SYSTEM_TYPE=windows-nt
1340 dnl NB this may be adjusted below.
1342 SYSTEM_TYPE=berkeley-unix
1346 SYSTEM_TYPE=usg-unix-v
1352 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1353 [The type of system you are compiling for; sets `system-type'.])
1356 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1357 pre_PKG_CONFIG_LIBS=$LIBS
1359 PKG_PROG_PKG_CONFIG(0.9.0)
1361 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1362 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1363 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1364 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1365 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1366 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1368 AC_DEFUN([EMACS_CHECK_MODULES],
1369 [PKG_CHECK_MODULES([$1], [$2],
1370 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1371 m4_default([$3], [HAVE_$1=yes])],
1372 [m4_default([$4], [HAVE_$1=no])])])
1374 PKG_CHECK_MODULES([GUILE], [guile-2.2], [],
1375 [PKG_CHECK_MODULES([GUILE], [guile-2.0])])
1376 AC_SUBST(GUILE_CFLAGS)
1377 AC_SUBST(GUILE_LIBS)
1381 if test "${with_sound}" != "no"; then
1382 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1383 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1384 have_sound_header=yes, [], [
1386 #define WIN32_LEAN_AND_MEAN
1387 #include <windows.h>
1390 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1391 AC_MSG_ERROR([OSS sound support requested but not found.])
1393 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1394 # Emulation library used on NetBSD.
1395 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1396 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1397 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1398 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1399 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1403 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1405 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1406 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1407 if test $HAVE_ALSA = yes; then
1408 SAVE_CFLAGS="$CFLAGS"
1410 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1411 LIBS="$ALSA_LIBS $LIBS"
1412 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1413 emacs_alsa_normal=yes,
1414 emacs_alsa_normal=no)
1415 if test "$emacs_alsa_normal" != yes; then
1416 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1417 [[snd_lib_error_set_handler (0);]])],
1418 emacs_alsa_subdir=yes,
1419 emacs_alsa_subdir=no)
1420 if test "$emacs_alsa_subdir" != yes; then
1421 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1423 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1426 CFLAGS="$SAVE_CFLAGS"
1428 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1429 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1430 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1431 elif test "${with_sound}" = "alsa"; then
1432 AC_MSG_ERROR([ALSA sound support requested but not found.])
1434 fi dnl with_sound = alsa|yes
1436 dnl Define HAVE_SOUND if we have sound support. We know it works and
1437 dnl compiles only on the specified platforms. For others, it
1438 dnl probably doesn't make sense to try.
1439 dnl FIXME So surely we should bypass this whole section if not using
1440 dnl one of these platforms?
1441 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1443 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1444 dnl Adjust the --with-sound help text if you change this.
1445 gnu-linux|freebsd|netbsd|mingw32)
1446 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1452 AC_SUBST(CFLAGS_SOUND)
1455 dnl checks for header files
1456 AC_CHECK_HEADERS_ONCE(
1460 sys/utsname.h pwd.h utmp.h util.h)
1462 AC_MSG_CHECKING(if personality LINUX32 can be set)
1463 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1464 emacs_cv_personality_linux32=yes,
1465 emacs_cv_personality_linux32=no)
1466 AC_MSG_RESULT($emacs_cv_personality_linux32)
1468 if test $emacs_cv_personality_linux32 = yes; then
1469 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1470 [Define to 1 if personality LINUX32 can be set.])
1473 dnl On Solaris 8 there's a compilation warning for term.h because
1474 dnl it doesn't define `bool'.
1475 AC_CHECK_HEADERS(term.h, , , -)
1477 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1479 if test $ac_cv_have_decl_sys_siglist != yes; then
1480 # For Tru64, at least:
1481 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1486 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1487 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1488 #if HAVE_SYS_SOCKET_H
1489 #include <sys/socket.h>
1491 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1492 #if HAVE_SYS_SOCKET_H
1493 #include <sys/socket.h>
1495 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1496 #if HAVE_SYS_SOCKET_H
1497 #include <sys/socket.h>
1500 dnl checks for structure members
1501 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1502 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1503 struct ifreq.ifr_addr,
1504 struct ifreq.ifr_addr.sa_len], , ,
1505 [AC_INCLUDES_DEFAULT
1506 #if HAVE_SYS_SOCKET_H
1507 #include <sys/socket.h>
1513 dnl Check for endianness.
1514 dnl AC_C_BIGENDIAN is done by gnulib.
1516 dnl check for Make feature
1521 dnl check if we have GCC and autodepend is on.
1522 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1523 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1524 SAVE_CFLAGS="$CFLAGS"
1525 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1526 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1527 CFLAGS="$SAVE_CFLAGS"
1528 test -f deps.d || ac_enable_autodepend=no
1530 AC_MSG_RESULT([$ac_enable_autodepend])
1531 if test $ac_enable_autodepend = yes; then
1532 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1533 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1534 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1535 deps_frag=autodeps.mk
1538 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1539 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1540 deps_frag=$srcdir/src/$deps_frag
1543 AC_SUBST_FILE(deps_frag)
1544 AC_SUBST_FILE(lwlib_deps_frag)
1545 AC_SUBST_FILE(oldxmenu_deps_frag)
1547 lisp_frag=$srcdir/src/lisp.mk
1548 AC_SUBST_FILE(lisp_frag)
1551 dnl checks for operating system services
1552 AC_SYS_LONG_FILE_NAMES
1554 #### Choose a window system.
1556 ## We leave window_system equal to none if
1557 ## we end up building without one. Any new window system should
1558 ## set window_system to an appropriate value and add objects to
1559 ## window-system-specific substs.
1563 if test "$no_x" != yes; then
1567 LD_SWITCH_X_SITE_RPATH=
1568 if test "${x_libraries}" != NONE; then
1569 if test -n "${x_libraries}"; then
1570 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1571 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1573 x_default_search_path=""
1574 x_search_path=${x_libraries}
1575 if test -z "${x_search_path}"; then
1576 x_search_path=/usr/lib
1578 for x_library in `echo ${x_search_path}: | \
1579 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1581 ${x_library}/X11/%L/%T/%N%C%S:\
1582 ${x_library}/X11/%l/%T/%N%C%S:\
1583 ${x_library}/X11/%T/%N%C%S:\
1584 ${x_library}/X11/%L/%T/%N%S:\
1585 ${x_library}/X11/%l/%T/%N%S:\
1586 ${x_library}/X11/%T/%N%S"
1587 if test x"${x_default_search_path}" = x; then
1588 x_default_search_path=${x_search_path}
1590 x_default_search_path="${x_search_path}:${x_default_search_path}"
1594 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1596 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1597 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1600 if test x"${x_includes}" = x; then
1601 bitmapdir=/usr/include/X11/bitmaps
1603 # accumulate include directories that have X11 bitmap subdirectories
1605 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1606 if test -d "${bmd}/X11/bitmaps"; then
1607 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1609 if test -d "${bmd}/bitmaps"; then
1610 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1613 if test ${bmd_acc} != "dummyval"; then
1614 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1621 tmp_CPPFLAGS="$CPPFLAGS"
1622 tmp_CFLAGS="$CFLAGS"
1623 CPPFLAGS="$CPPFLAGS -x objective-c"
1624 CFLAGS="$CFLAGS -x objective-c"
1627 if test "${with_ns}" != no; then
1628 if test "${opsys}" = darwin; then
1630 ns_appdir=`pwd`/nextstep/Emacs.app
1631 ns_appbindir=${ns_appdir}/Contents/MacOS
1632 ns_appresdir=${ns_appdir}/Contents/Resources
1633 ns_appsrc=Cocoa/Emacs.base
1634 elif test -f $GNUSTEP_CONFIG_FILE; then
1636 ns_appdir=`pwd`/nextstep/Emacs.app
1637 ns_appbindir=${ns_appdir}
1638 ns_appresdir=${ns_appdir}/Resources
1639 ns_appsrc=GNUstep/Emacs.base
1640 dnl FIXME sourcing this several times in subshells seems inefficient.
1641 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1642 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1643 dnl I seemed to need these as well with GNUstep-startup 0.25.
1644 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1645 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1646 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1647 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1648 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1649 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1650 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1651 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1652 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1653 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1654 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1655 dnl If they had chosen to either define it or not, we could have
1656 dnl just used AC_CHECK_DECL here.
1657 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1658 emacs_cv_objc_exceptions,
1659 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1660 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1664 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1665 if test $emacs_cv_objc_exceptions = yes; then
1666 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1667 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1668 [Define if GNUstep uses ObjC exceptions.])
1669 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1673 dnl This is only used while we test the NS headers, it gets reset below.
1674 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1676 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1677 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1678 files are missing or cannot be compiled.])])
1681 if test "${NS_IMPL_COCOA}" = "yes"; then
1682 AC_MSG_CHECKING([for OSX 10.4 or newer])
1683 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1685 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1686 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1689 error "OSX 10.4 or newer required";
1693 ns_osx_have_104=yes,
1695 AC_MSG_RESULT([$ns_osx_have_104])
1697 if test $ns_osx_have_104 = no; then
1698 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1700 AC_MSG_CHECKING([for OSX 10.5 or newer])
1701 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1703 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1704 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1707 error "OSX 10.5 not found";
1711 ns_osx_have_105=yes,
1713 AC_MSG_RESULT([$ns_osx_have_105])
1714 if test $ns_osx_have_105 = yes; then
1715 macfont_file="macfont.o"
1718 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1720 ns_have_nsinteger=yes,
1721 ns_have_nsinteger=no)
1722 if test $ns_have_nsinteger = yes; then
1723 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1727 AC_SUBST(LIBS_GNUSTEP)
1729 INSTALL_ARCH_INDEP_EXTRA=install-etc
1730 ns_self_contained=no
1733 if test "${HAVE_NS}" = yes; then
1734 if test "$with_toolkit_scroll_bars" = "no"; then
1735 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1738 window_system=nextstep
1739 # set up packaging dirs
1740 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1741 ns_self_contained=yes
1742 prefix=${ns_appresdir}
1743 exec_prefix=${ns_appbindir}
1744 dnl This one isn't really used, only archlibdir is.
1745 libexecdir="\${ns_appbindir}/libexec"
1746 archlibdir="\${ns_appbindir}/libexec"
1747 etcdocdir="\${ns_appresdir}/etc"
1748 etcdir="\${ns_appresdir}/etc"
1749 dnl FIXME maybe set datarootdir instead.
1750 dnl That would also get applications, icons, man.
1751 infodir="\${ns_appresdir}/info"
1752 mandir="\${ns_appresdir}/man"
1753 lispdir="\${ns_appresdir}/lisp"
1754 INSTALL_ARCH_INDEP_EXTRA=
1757 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1759 CFLAGS="$tmp_CFLAGS"
1760 CPPFLAGS="$tmp_CPPFLAGS"
1761 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1762 AC_SUBST(ns_self_contained)
1764 AC_SUBST(NS_OBJC_OBJ)
1775 if test "${with_w32}" != no; then
1778 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1779 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1780 cannot be found.])])
1783 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1786 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1791 if test "${opsys}" = "mingw32"; then
1792 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1793 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1794 #include <windows.h>
1795 #include <usp10.h>]],
1796 [[PIMAGE_NT_HEADERS pHeader;
1797 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1798 [emacs_cv_w32api=yes
1801 AC_MSG_RESULT($emacs_cv_w32api)
1802 if test "${emacs_cv_w32api}" = "no"; then
1803 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1814 if test "${HAVE_W32}" = "yes"; then
1815 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1816 AC_CHECK_TOOL(WINDRES, [windres],
1817 [AC_MSG_ERROR([No resource compiler found.])])
1818 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1819 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1820 EMACSRES="emacs.res"
1821 case "$canonical" in
1822 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1823 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1825 if test "${opsys}" = "cygwin"; then
1826 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1827 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1828 # Tell the linker that emacs.res is an object (which we compile from
1829 # the rc file), not a linker script.
1830 W32_RES_LINK="-Wl,emacs.res"
1832 UPDATE_MANIFEST=update-game-score.exe.manifest
1833 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1834 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1835 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1836 W32_RES_LINK="\$(EMACSRES)"
1837 CLIENTRES="emacsclient.res"
1838 CLIENTW="emacsclientw\$(EXEEXT)"
1839 FIRSTFILE_OBJ=firstfile.o
1842 LIBS_ECLIENT="-lcomctl32"
1843 LIB_WSOCK32="-lwsock32"
1844 NTLIB="ntlib.$ac_objext"
1845 XARGS_LIMIT="-s 10000"
1851 AC_SUBST(EMACS_MANIFEST)
1852 AC_SUBST(UPDATE_MANIFEST)
1855 AC_SUBST(W32_RES_LINK)
1856 AC_SUBST(FIRSTFILE_OBJ)
1859 AC_SUBST(LIBS_ECLIENT)
1860 AC_SUBST(LIB_WSOCK32)
1862 AC_SUBST(XARGS_LIMIT)
1864 if test "${HAVE_W32}" = "yes"; then
1869 ## $window_system is now set to the window system we will
1872 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1873 # Too many warnings for now.
1875 nw="$nw -Wsuggest-attribute=const"
1876 nw="$nw -Wsuggest-attribute=noreturn"
1877 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1879 gl_WARN_ADD([-Wno-unused-variable])
1880 gl_WARN_ADD([-Wno-unused-but-set-variable])
1881 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1889 case "${window_system}" in
1894 case "${with_x_toolkit}" in
1895 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1896 motif ) USE_X_TOOLKIT=MOTIF ;;
1898 term_header=gtkutil.h
1899 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1900 dnl USE_X_TOOLKIT is set.
1901 USE_X_TOOLKIT=none ;;
1902 gtk2 ) with_gtk2=yes
1903 term_header=gtkutil.h
1904 USE_X_TOOLKIT=none ;;
1905 gtk3 ) with_gtk3=yes
1906 term_header=gtkutil.h
1907 USE_X_TOOLKIT=none ;;
1908 no ) USE_X_TOOLKIT=none ;;
1909 dnl If user did not say whether to use a toolkit, make this decision later:
1910 dnl use the toolkit if we have gtk, or X11R5 or newer.
1911 * ) USE_X_TOOLKIT=maybe ;;
1915 term_header=nsterm.h
1918 term_header=w32term.h
1922 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1923 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1924 if test "$HAVE_XSERVER" = true ||
1925 test -n "$DISPLAY" ||
1926 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1927 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1928 were found. You should install the relevant development files for X
1929 and for the toolkit you want, such as Gtk+ or Motif. Also make
1930 sure you have development files for image handling, i.e.
1931 tiff, gif, jpeg, png and xpm.
1932 If you are sure you want Emacs compiled without X window support, pass
1938 # Does the opsystem file prohibit the use of the GNU malloc?
1939 # Assume not, until told otherwise.
1943 [whether malloc is Doug Lea style],
1944 [emacs_cv_var_doug_lea_malloc],
1945 [emacs_cv_var_doug_lea_malloc=no
1946 dnl Hooks do not work with address sanitization.
1947 if test "$emacs_cv_sanitize_address" != yes; then
1950 [[#include <malloc.h>
1951 static void hook (void) {}]],
1952 [[malloc_set_state (malloc_get_state ());
1953 __after_morecore_hook = hook;
1954 __malloc_initialize_hook = hook;]])],
1955 [emacs_cv_var_doug_lea_malloc=yes])])
1957 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1959 system_malloc=$emacs_cv_sanitize_address
1961 ## darwin ld insists on the use of malloc routines in the System framework.
1962 darwin|mingw32|sol2-10) system_malloc=yes ;;
1966 if test "${system_malloc}" = "yes"; then
1967 AC_DEFINE([SYSTEM_MALLOC], 1,
1968 [Define to 1 to use the system memory allocator, even if it is not
1972 (The GNU allocators don't work with this system configuration.)"
1975 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1976 VMLIMIT_OBJ=vm-limit.o
1978 AC_CHECK_HEADERS([sys/vlimit.h])
1979 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1982 [[extern char data_start[]; char ch;]],
1983 [[return data_start < &ch;]])],
1984 [emacs_cv_data_start=yes],
1985 [emacs_cv_data_start=no])])
1986 if test $emacs_cv_data_start = yes; then
1987 AC_DEFINE([HAVE_DATA_START], 1,
1988 [Define to 1 if data_start is the address of the start
1989 of the main data segment.])
1992 AC_SUBST(GMALLOC_OBJ)
1993 AC_SUBST(VMLIMIT_OBJ)
1995 if test "$doug_lea_malloc" = "yes" ; then
1996 if test "$GNU_MALLOC" = yes ; then
1998 (Using Doug Lea's new malloc from the GNU C Library.)"
2000 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2001 [Define to 1 if the system memory allocator is Doug Lea style,
2002 with malloc hooks and malloc_set_state.])
2004 ## Use mmap directly for allocating larger buffers.
2005 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2006 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2007 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2009 mingw32|gnu*) REL_ALLOC=no ;;
2013 if test x"${REL_ALLOC}" = x; then
2014 REL_ALLOC=${GNU_MALLOC}
2017 use_mmap_for_buffers=no
2019 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2023 if test $use_mmap_for_buffers = yes; then
2024 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2028 LIBS="$LIBS_SYSTEM $LIBS"
2030 dnl FIXME replace main with a function we actually want from this library.
2031 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2033 dnl Check for the POSIX thread library.
2035 if test "$opsys" != "mingw32"; then
2036 AC_CHECK_HEADERS_ONCE(pthread.h)
2037 if test "$ac_cv_header_pthread_h"; then
2038 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2039 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2040 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2041 if test "$GMALLOC_OBJ" = gmalloc.o; then
2042 emacs_pthread_function=pthread_atfork
2044 emacs_pthread_function=pthread_kill
2047 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2048 [AC_DEFINE([HAVE_PTHREAD], [1],
2049 [Define to 1 if you have pthread (-lpthread).])
2050 # Some systems optimize for single-threaded programs by default, and
2051 # need special flags to disable these optimizations. For example, the
2052 # definition of 'errno' in <errno.h>.
2055 AC_DEFINE([_REENTRANT], 1,
2056 [Define to 1 if your system requires this in multithreaded code.]);;
2058 AC_DEFINE([_THREAD_SAFE], 1,
2059 [Define to 1 if your system requires this in multithreaded code.]);;
2061 if test "X$LIBS" != "X$OLD_LIBS"; then
2062 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2066 AC_SUBST([LIB_PTHREAD])
2069 dnl Check for need for bigtoc support on IBM AIX
2073 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2075 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2076 *) gdb_cv_bigtoc=-bbigtoc ;;
2079 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2080 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2085 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2086 # is for the tests that follow. We set them back later on.
2088 REAL_CFLAGS="$CFLAGS"
2089 REAL_CPPFLAGS="$CPPFLAGS"
2092 if test "${HAVE_X11}" = "yes"; then
2093 DEFS="$C_SWITCH_X_SITE $DEFS"
2094 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2096 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2097 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2099 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2100 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2101 # but it's more convenient here to set LD_RUN_PATH since this
2102 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2103 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2104 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2108 if test "${opsys}" = "gnu-linux"; then
2109 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2110 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2111 [[XOpenDisplay ("foo");]])],
2112 [xgnu_linux_first_failure=no],
2113 [xgnu_linux_first_failure=yes])
2114 if test "${xgnu_linux_first_failure}" = "yes"; then
2115 OLD_CPPFLAGS="$CPPFLAGS"
2117 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2118 LIBS="$LIBS -b i486-linuxaout"
2119 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2120 [[XOpenDisplay ("foo");]])],
2121 [xgnu_linux_second_failure=no],
2122 [xgnu_linux_second_failure=yes])
2123 if test "${xgnu_linux_second_failure}" = "yes"; then
2124 # If we get the same failure with -b, there is no use adding -b.
2125 # So leave it out. This plays safe.
2128 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2129 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2132 CPPFLAGS=$OLD_CPPFLAGS
2139 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2140 # header files included from there.
2141 AC_MSG_CHECKING(for Xkb)
2142 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2143 #include <X11/XKBlib.h>]],
2144 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2145 emacs_xkb=yes, emacs_xkb=no)
2146 AC_MSG_RESULT($emacs_xkb)
2147 if test $emacs_xkb = yes; then
2148 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2151 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2152 XScreenNumberOfScreen)
2155 if test "${window_system}" = "x11"; then
2156 AC_MSG_CHECKING(X11 version 6)
2157 AC_CACHE_VAL(emacs_cv_x11_version_6,
2158 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2159 [[#if XlibSpecificationRelease < 6
2162 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2163 if test $emacs_cv_x11_version_6 = yes; then
2164 AC_MSG_RESULT(6 or newer)
2165 AC_DEFINE(HAVE_X11R6, 1,
2166 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2167 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2168 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2172 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2173 [Define if you have usable X11R6-style XIM support.])
2177 AC_MSG_RESULT(before 6)
2182 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2184 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2185 if test "${with_rsvg}" != "no"; then
2186 RSVG_REQUIRED=2.11.0
2187 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2189 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2190 AC_SUBST(RSVG_CFLAGS)
2193 if test $HAVE_RSVG = yes; then
2194 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2195 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2196 # Windows loads librsvg dynamically
2197 if test "${opsys}" = "mingw32"; then
2205 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2206 if test "${with_imagemagick}" != "no"; then
2207 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2208 ## 6.8.2 makes Emacs crash; see Bug#13867.
2209 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2210 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2211 AC_SUBST(IMAGEMAGICK_CFLAGS)
2212 AC_SUBST(IMAGEMAGICK_LIBS)
2214 if test $HAVE_IMAGEMAGICK = yes; then
2215 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2218 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2219 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2220 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2230 gtk_term_header=$term_header
2233 if test "${opsys}" != "mingw32"; then
2234 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2237 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2239 dnl Checks for libraries.
2240 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2241 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2242 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2243 AC_MSG_ERROR($GTK_PKG_ERRORS)
2245 if test "$pkg_check_gtk" = "yes"; then
2246 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2247 GTK_OBJ=emacsgtkfixed.o
2248 gtk_term_header=gtkutil.h
2249 USE_GTK_TOOLKIT="GTK3"
2250 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2251 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2252 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2253 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2254 [Define to 1 to disable Glib deprecation warnings.])
2258 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2262 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2265 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2267 dnl Checks for libraries.
2268 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2269 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2270 if test "$pkg_check_gtk" = "no" &&
2271 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2273 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2275 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2282 if test x"$pkg_check_gtk" = xyes; then
2285 CFLAGS="$CFLAGS $GTK_CFLAGS"
2286 LIBS="$GTK_LIBS $LIBS"
2287 dnl Try to compile a simple GTK program.
2288 AC_MSG_CHECKING([whether GTK compiles])
2292 [[/* Check the Gtk and Glib APIs. */
2293 #include <gtk/gtk.h>
2294 #include <glib-object.h>
2296 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2300 GtkSettings *gs = 0;
2301 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2302 strict C prohibits this. Use gtk_main_iteration to test that the
2303 libraries are there. */
2304 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2305 0, 0, 0, G_CALLBACK (callback), 0))
2306 gtk_main_iteration ();
2309 AC_MSG_RESULT([$GTK_COMPILES])
2310 if test "${GTK_COMPILES}" != "yes"; then
2312 if test "$USE_X_TOOLKIT" != "maybe"; then
2313 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2316 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2318 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2319 GTK_OBJ="gtkutil.o $GTK_OBJ"
2320 term_header=$gtk_term_header
2322 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2325 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2326 closing open displays. This is no problem if you just use
2327 one display, but if you use more than one and close one of them
2337 if test "${HAVE_GTK}" = "yes"; then
2339 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2340 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2341 if test "$with_toolkit_scroll_bars" != no; then
2342 with_toolkit_scroll_bars=yes
2345 dnl Check if we have the old file selection dialog declared and
2346 dnl in the link library. In 2.x it may be in the library,
2347 dnl but not declared if deprecated featured has been selected out.
2348 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2349 HAVE_GTK_FILE_SELECTION=no
2350 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2351 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2352 #include <gtk/gtk.h>])
2353 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2354 AC_CHECK_FUNCS(gtk_file_selection_new)
2357 dnl Same as above for gtk_handle_box.
2358 HAVE_GTK_HANDLE_BOX=no
2359 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2360 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2361 #include <gtk/gtk.h>])
2362 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2363 AC_CHECK_FUNCS(gtk_handle_box_new)
2366 dnl Same as above for gtk_tearoff_menu_item.
2367 HAVE_GTK_TEAROFF_MENU_ITEM=no
2368 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2369 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2370 #include <gtk/gtk.h>])
2371 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2372 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2375 dnl Check for functions introduced in 2.14 and later.
2376 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2377 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2378 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2379 gtk_orientable_set_orientation \
2380 gtk_window_set_has_resize_grip)
2382 term_header=gtkutil.h
2388 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2389 dnl other platforms.
2392 if test "${with_dbus}" = "yes"; then
2393 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2394 if test "$HAVE_DBUS" = yes; then
2395 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2396 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2397 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2400 LIBS="$LIBS $DBUS_LIBS"
2401 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2402 dbus_type_is_valid \
2403 dbus_validate_bus_name \
2404 dbus_validate_path \
2405 dbus_validate_interface \
2406 dbus_validate_member)
2411 AC_SUBST(DBUS_CFLAGS)
2415 dnl GSettings has been tested under GNU/Linux only.
2417 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2418 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2419 if test "$HAVE_GSETTINGS" = "yes"; then
2421 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2423 LIBS="$LIBS $GSETTINGS_LIBS"
2424 AC_MSG_CHECKING([whether GSettings is in gio])
2427 [[/* Check that gsettings really is present. */
2428 #include <glib-object.h>
2429 #include <gio/gio.h>
2432 GSettings *settings;
2433 GVariant *val = g_settings_get_value (settings, "");
2435 [], HAVE_GSETTINGS=no)
2436 AC_MSG_RESULT([$HAVE_GSETTINGS])
2438 if test "$HAVE_GSETTINGS" = "yes"; then
2439 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2440 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2441 SETTINGS_LIBS="$GSETTINGS_LIBS"
2448 dnl GConf has been tested under GNU/Linux only.
2449 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2451 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2452 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2453 if test "$HAVE_GCONF" = yes; then
2454 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2455 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2456 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2457 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2461 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2462 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2463 if test "$HAVE_GOBJECT" = "yes"; then
2464 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2465 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2467 SAVE_CFLAGS="$CFLAGS"
2469 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2470 LIBS="$SETTINGS_LIBS $LIBS"
2471 CFLAGS="$SAVE_CFLAGS"
2474 AC_SUBST(SETTINGS_CFLAGS)
2475 AC_SUBST(SETTINGS_LIBS)
2478 dnl SELinux is available for GNU/Linux only.
2481 if test "${with_selinux}" = "yes"; then
2482 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2483 if test "$HAVE_LIBSELINUX" = yes; then
2484 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2485 LIBSELINUX_LIBS=-lselinux
2488 AC_SUBST(LIBSELINUX_LIBS)
2492 if test "${with_gnutls}" = "yes" ; then
2493 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
2494 [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
2495 if test "${HAVE_GNUTLS3}" = "yes"; then
2496 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2499 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2500 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2502 if test "${HAVE_GNUTLS}" = "yes"; then
2503 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2506 # Windows loads GnuTLS dynamically
2507 if test "${opsys}" = "mingw32"; then
2512 AC_SUBST(LIBGNUTLS_LIBS)
2513 AC_SUBST(LIBGNUTLS_CFLAGS)
2518 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2519 dnl a particular library. This doesn't make much sense?
2520 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2521 with_file_notification=no
2524 dnl MS Windows native file monitor is available for mingw32 only.
2525 case $with_file_notification,$opsys in
2526 w32,* | yes,mingw32)
2527 AC_CHECK_HEADER(windows.h)
2528 if test "$ac_cv_header_windows_h" = yes ; then
2529 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2530 NOTIFY_OBJ=w32notify.o
2531 NOTIFY_SUMMARY="yes (w32)"
2535 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2536 dnl has been added in glib 2.24. It has been tested under
2537 dnl GNU/Linux only. We take precedence over inotify, but this makes
2538 dnl only sense when glib has been compiled with inotify support. How
2540 case $with_file_notification,$NOTIFY_OBJ in
2542 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2543 if test "$HAVE_GFILENOTIFY" = "yes"; then
2544 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2545 NOTIFY_OBJ=gfilenotify.o
2546 NOTIFY_SUMMARY="yes -lgio (gfile)"
2550 dnl inotify is only available on GNU/Linux.
2551 case $with_file_notification,$NOTIFY_OBJ in
2553 AC_CHECK_HEADER(sys/inotify.h)
2554 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2555 AC_CHECK_FUNC(inotify_init1)
2556 if test "$ac_cv_func_inotify_init1" = yes; then
2557 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2558 NOTIFY_OBJ=inotify.o
2559 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2564 case $with_file_notification,$NOTIFY_OBJ in
2565 yes,* | no,* | *,?*) ;;
2566 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2569 if test -n "$NOTIFY_OBJ"; then
2570 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2572 AC_SUBST(NOTIFY_OBJ)
2573 AC_SUBST(GFILENOTIFY_CFLAGS)
2574 AC_SUBST(GFILENOTIFY_LIBS)
2576 dnl Do not put whitespace before the #include statements below.
2577 dnl Older compilers (eg sunos4 cc) choke on it.
2580 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2581 if test "$with_xaw3d" != no; then
2582 AC_CACHE_VAL(emacs_cv_xaw3d,
2583 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2584 #include <X11/Intrinsic.h>
2585 #include <X11/Xaw3d/Simple.h>]],
2587 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2588 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2589 emacs_cv_xaw3d=no)])
2593 if test $emacs_cv_xaw3d = yes; then
2594 AC_MSG_CHECKING(for xaw3d)
2595 AC_MSG_RESULT([yes; using Lucid toolkit])
2599 AC_DEFINE(HAVE_XAW3D, 1,
2600 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2602 AC_MSG_CHECKING(for xaw3d)
2604 AC_MSG_CHECKING(for libXaw)
2605 AC_CACHE_VAL(emacs_cv_xaw,
2606 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2607 #include <X11/Intrinsic.h>
2608 #include <X11/Xaw/Simple.h>]],
2612 if test $emacs_cv_xaw = yes; then
2613 AC_MSG_RESULT([yes; using Lucid toolkit])
2616 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2617 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2619 AC_MSG_ERROR([No X toolkit could be found.
2620 If you are sure you want Emacs compiled without an X toolkit, pass
2622 to configure. Otherwise, install the development libraries for the toolkit
2623 that you want to use (e.g. Gtk+) and re-run configure.])
2628 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2632 if test "${USE_X_TOOLKIT}" != "none"; then
2633 AC_MSG_CHECKING(X11 toolkit version)
2634 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2635 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2636 [[#if XtSpecificationRelease < 6
2639 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2640 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2641 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2642 AC_MSG_RESULT(6 or newer)
2643 AC_DEFINE(HAVE_X11XTR6, 1,
2644 [Define to 1 if you have the X11R6 or newer version of Xt.])
2645 LIBXTR6="-lSM -lICE"
2647 ## Use libw.a along with X11R6 Xt.
2648 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2651 AC_MSG_RESULT(before 6)
2654 dnl If using toolkit, check whether libXmu.a exists.
2655 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2657 if test x$HAVE_X11XTR6 = xyes; then
2658 OTHERLIBS='-lXt -lSM -lICE'
2662 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2663 if test "X$LIBS" != "X$OLDLIBS"; then
2664 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2667 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2673 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2674 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2675 if test -d /usr/include/openmotif; then
2676 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2677 emacs_cv_openmotif=yes
2678 case "$canonical" in
2679 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2680 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2683 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2686 emacs_cv_openmotif=no
2688 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2689 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2690 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2693 Motif version prior to 2.1.
2695 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2696 if test $emacs_cv_motif_version_2_1 = yes; then
2697 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2698 if test x$emacs_cv_openmotif = xyes; then
2699 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2702 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2703 # We put this in CFLAGS temporarily to precede other -I options
2704 # that might be in CFLAGS temporarily.
2705 # We put this in CPPFLAGS where it precedes the other -I options.
2706 OLD_CPPFLAGS=$CPPFLAGS
2708 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2709 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2710 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2712 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2713 if test $emacs_cv_lesstif = yes; then
2714 # Make sure this -I option remains in CPPFLAGS after it is set
2715 # back to REAL_CPPFLAGS.
2716 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2717 # have those other -I options anyway. Ultimately, having this
2718 # directory ultimately in CPPFLAGS will be enough.
2719 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2720 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2723 CPPFLAGS=$OLD_CPPFLAGS
2726 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2727 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2730 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2731 dnl using Motif or Xaw3d is available, and unless
2732 dnl --with-toolkit-scroll-bars=no was specified.
2734 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2735 [Define to 1 if we should use toolkit scroll bars.])dnl
2736 USE_TOOLKIT_SCROLL_BARS=no
2737 if test "${with_toolkit_scroll_bars}" != "no"; then
2738 if test "${USE_X_TOOLKIT}" != "none"; then
2739 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2740 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2742 USE_TOOLKIT_SCROLL_BARS=yes
2743 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2744 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2745 USE_TOOLKIT_SCROLL_BARS=yes
2747 elif test "${HAVE_GTK}" = "yes"; then
2748 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2749 USE_TOOLKIT_SCROLL_BARS=yes
2750 elif test "${HAVE_NS}" = "yes"; then
2751 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2752 USE_TOOLKIT_SCROLL_BARS=yes
2753 elif test "${HAVE_W32}" = "yes"; then
2754 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2755 USE_TOOLKIT_SCROLL_BARS=yes
2759 dnl See if XIM is available.
2760 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2761 #include <X11/Xlib.h>
2762 #include <X11/Xresource.h>]],
2763 [[XIMProc callback;]])],
2765 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2768 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2770 if test "${with_xim}" != "no"; then
2771 AC_DEFINE(USE_XIM, 1,
2772 [Define to 1 if we should use XIM, if it is available.])
2776 if test "${HAVE_XIM}" != "no"; then
2778 if test "$GCC" = yes; then
2779 CFLAGS="$CFLAGS --pedantic-errors"
2781 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2782 #include <X11/Xlib.h>
2783 #include <X11/Xresource.h>]],
2789 XPointer *client_data;
2791 /* If we're not using GCC, it's probably not XFree86, and this is
2792 probably right, but we can't use something like --pedantic-errors. */
2793 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2794 char*, XIMProc, XPointer*);
2796 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2798 [emacs_cv_arg6_star=yes])
2799 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2800 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2801 either XPointer or XPointer*.])dnl
2802 if test "$emacs_cv_arg6_star" = yes; then
2803 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2805 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2810 ### Start of font-backend (under any platform) section.
2811 # (nothing here yet -- this is a placeholder)
2812 ### End of font-backend (under any platform) section.
2814 ### Start of font-backend (under X11) section.
2815 if test "${HAVE_X11}" = "yes"; then
2816 ## Use -lXft if available, unless `--with-xft=no'.
2818 if test "x${with_x}" = "xno"; then
2822 if test "$with_xft" != no; then
2823 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2824 with_xft=$HAVE_FONTCONFIG
2827 if test "x${with_xft}" != "xno"; then
2829 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2830 ## Because xftfont.c uses XRenderQueryExtension, we also
2831 ## need to link to -lXrender.
2833 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2834 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2835 OLD_CPPFLAGS="$CPPFLAGS"
2836 OLD_CFLAGS="$CFLAGS"
2838 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2839 CFLAGS="$CFLAGS $XFT_CFLAGS"
2840 XFT_LIBS="-lXrender $XFT_LIBS"
2841 LIBS="$XFT_LIBS $LIBS"
2842 AC_CHECK_HEADER(X11/Xft/Xft.h,
2843 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2844 [[#include <X11/X.h>]])
2846 if test "${HAVE_XFT}" = "yes"; then
2847 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2849 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2850 fi # "${HAVE_XFT}" = "yes"
2851 CPPFLAGS=$OLD_CPPFLAGS
2854 fi # "$HAVE_XFT" != no
2855 fi # "x${with_xft}" != "xno"
2857 ## We used to allow building with FreeType and without Xft.
2858 ## However, the ftx font backend driver is not in good shape.
2859 if test "$HAVE_XFT" != "yes"; then
2860 dnl For the "Does Emacs use" message at the end.
2864 dnl Strict linkers fail with
2865 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2866 dnl if -lfreetype is not specified.
2867 dnl The following is needed to set FREETYPE_LIBS.
2868 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2870 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2874 if test "${HAVE_FREETYPE}" = "yes"; then
2875 AC_DEFINE(HAVE_FREETYPE, 1,
2876 [Define to 1 if using the freetype and fontconfig libraries.])
2877 if test "${with_libotf}" != "no"; then
2878 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2879 if test "$HAVE_LIBOTF" = "yes"; then
2880 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2881 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2882 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2883 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2884 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2885 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2886 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2890 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2891 dnl Does the new font backend require it, or can it work without it?
2895 if test "${HAVE_LIBOTF}" = yes; then
2896 if test "${with_m17n_flt}" != "no"; then
2897 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
2898 if test "$HAVE_M17N_FLT" = "yes"; then
2899 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2910 ### End of font-backend (under X11) section.
2912 AC_SUBST(FREETYPE_CFLAGS)
2913 AC_SUBST(FREETYPE_LIBS)
2914 AC_SUBST(FONTCONFIG_CFLAGS)
2915 AC_SUBST(FONTCONFIG_LIBS)
2916 AC_SUBST(LIBOTF_CFLAGS)
2917 AC_SUBST(LIBOTF_LIBS)
2918 AC_SUBST(M17N_FLT_CFLAGS)
2919 AC_SUBST(M17N_FLT_LIBS)
2921 ### Use -lXpm if available, unless `--with-xpm=no'.
2922 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2925 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2926 if test "${with_xpm}" != "no"; then
2927 SAVE_CPPFLAGS="$CPPFLAGS"
2928 SAVE_LDFLAGS="$LDFLAGS"
2929 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2930 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2931 AC_CHECK_HEADER(X11/xpm.h,
2932 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2933 if test "${HAVE_XPM}" = "yes"; then
2934 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2935 AC_EGREP_CPP(no_return_alloc_pixels,
2936 [#include "X11/xpm.h"
2937 #ifndef XpmReturnAllocPixels
2938 no_return_alloc_pixels
2940 ], HAVE_XPM=no, HAVE_XPM=yes)
2942 if test "${HAVE_XPM}" = "yes"; then
2943 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2947 CPPFLAGS="$SAVE_CPPFLAGS"
2948 LDFLAGS="$SAVE_LDFLAGS"
2953 if test "${HAVE_XPM}" = "yes"; then
2954 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2959 if test "${HAVE_X11}" = "yes"; then
2960 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
2961 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
2963 if test "${with_xpm}" != "no"; then
2964 AC_CHECK_HEADER(X11/xpm.h,
2965 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2966 if test "${HAVE_XPM}" = "yes"; then
2967 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2968 AC_EGREP_CPP(no_return_alloc_pixels,
2969 [#include "X11/xpm.h"
2970 #ifndef XpmReturnAllocPixels
2971 no_return_alloc_pixels
2973 ], HAVE_XPM=no, HAVE_XPM=yes)
2975 if test "${HAVE_XPM}" = "yes"; then
2983 if test "${HAVE_XPM}" = "yes"; then
2984 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2986 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
2987 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
2992 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2993 ### slightly different requirements wrt image libraries (it doesn't
2994 ### use -lXpm because it loads the xpm shared library dynamically at
2996 if test "${opsys}" = "mingw32"; then
2997 if test "${with_xpm}" != "no"; then
2998 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3002 if test "${HAVE_XPM}" = "yes"; then
3003 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3009 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3010 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3013 if test "${opsys}" = "mingw32"; then
3014 if test "${with_jpeg}" != "no"; then
3015 dnl Checking for jpeglib.h can lose because of a redefinition of
3017 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3019 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3020 if test "${HAVE_JPEG}" = "yes"; then
3021 AC_DEFINE(HAVE_JPEG)
3022 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3023 [#include <jpeglib.h>
3024 version=JPEG_LIB_VERSION
3026 [AC_DEFINE(HAVE_JPEG)],
3027 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3030 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3031 if test "${with_jpeg}" != "no"; then
3032 dnl Checking for jpeglib.h can lose because of a redefinition of
3034 AC_CHECK_HEADER(jerror.h,
3035 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3038 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3039 if test "${HAVE_JPEG}" = "yes"; then
3040 AC_DEFINE(HAVE_JPEG)
3041 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3042 [#include <jpeglib.h>
3043 version=JPEG_LIB_VERSION
3045 [AC_DEFINE(HAVE_JPEG)],
3046 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3049 if test "${HAVE_JPEG}" = "yes"; then
3057 if test "${with_zlib}" != "no"; then
3059 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3061 case $ac_cv_search_inflateEnd in
3062 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3065 if test "${HAVE_ZLIB}" = "yes"; then
3066 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3067 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3068 if test "${opsys}" = "mingw32"; then
3074 ### Use -lpng if available, unless `--with-png=no'.
3078 if test "${NS_IMPL_COCOA}" = yes; then
3080 elif test "${with_png}" != no; then
3081 # mingw32 loads the library dynamically.
3082 if test "$opsys" = mingw32; then
3083 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3084 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3085 AC_MSG_CHECKING([for png])
3086 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3087 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3088 # libpng-config does not work; configure by hand.
3089 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3090 # in /usr/include/libpng.
3091 if test -r /usr/include/libpng/png.h &&
3092 test ! -r /usr/include/png.h; then
3093 png_cflags=-I/usr/include/libpng
3101 CFLAGS="$CFLAGS $png_cflags"
3102 LIBS="$png_libs -lz -lm $LIBS"
3104 [AC_LANG_PROGRAM([[#include <png.h>]],
3105 [[return !png_get_channels (0, 0);]])],
3107 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3109 # $LIBPNG requires explicit -lz in some cases.
3110 # We don't know what those cases are, exactly, so play it safe and
3111 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3112 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3113 LIBPNG="$LIBPNG -lz"
3117 AC_MSG_RESULT([$HAVE_PNG])
3120 if test $HAVE_PNG = yes; then
3121 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3124 CFLAGS="$CFLAGS $PNG_CFLAGS"
3125 AC_CHECK_DECL([png_longjmp],
3127 [AC_DEFINE([PNG_DEPSTRUCT], [],
3128 [Define to empty to suppress deprecation warnings when building
3129 with --enable-gcc-warnings and with libpng versions before 1.5,
3130 which lack png_longjmp.])],
3136 AC_SUBST(PNG_CFLAGS)
3138 ### Use -ltiff if available, unless `--with-tiff=no'.
3139 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3142 if test "${opsys}" = "mingw32"; then
3143 if test "${with_tiff}" != "no"; then
3144 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3146 if test "${HAVE_TIFF}" = "yes"; then
3147 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3149 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3150 if test "${with_tiff}" != "no"; then
3151 AC_CHECK_HEADER(tiffio.h,
3153 # At least one tiff package requires the jpeg library.
3154 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3155 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3158 if test "${HAVE_TIFF}" = "yes"; then
3159 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3160 dnl FIXME -lz -lm, as per libpng?
3166 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3167 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3170 if test "${opsys}" = "mingw32"; then
3171 if test "${with_gif}" != "no"; then
3172 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3174 if test "${HAVE_GIF}" = "yes"; then
3175 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3177 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3178 || test "${HAVE_W32}" = "yes"; then
3179 AC_CHECK_HEADER(gif_lib.h,
3180 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3181 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3182 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3183 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3185 if test "$HAVE_GIF" = yes; then
3187 elif test "$HAVE_GIF" = maybe; then
3188 # If gif_lib.h but no libgif, try libungif.
3189 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3190 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3193 if test "${HAVE_GIF}" = "yes"; then
3194 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3199 dnl Check for required libraries.
3200 if test "${HAVE_X11}" = "yes"; then
3203 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3204 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3205 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3206 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3207 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3208 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3209 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3210 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3211 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3212 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3214 if test "X${MISSING}" != X; then
3215 AC_MSG_ERROR([The following required libraries were not found:
3217 Maybe some development libraries/packages are missing?
3218 If you don't want to link with them give
3220 as options to configure])
3224 ### Use -lgpm if available, unless `--with-gpm=no'.
3227 if test "${with_gpm}" != "no"; then
3228 AC_CHECK_HEADER(gpm.h,
3229 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3231 if test "${HAVE_GPM}" = "yes"; then
3232 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3238 dnl Check for malloc/malloc.h on darwin
3239 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3242 ### Use NeXTstep API to implement GUI.
3243 if test "${HAVE_NS}" = "yes"; then
3244 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3245 if test "${NS_IMPL_COCOA}" = "yes"; then
3246 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3248 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3249 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3250 # See also .m.o rule in Makefile.in */
3251 # FIXME: are all these flags really needed? Document here why. */
3252 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3253 ## Extra CFLAGS applied to src/*.m files.
3254 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3259 ### Use session management (-lSM -lICE) if available
3262 if test "${HAVE_X11}" = "yes"; then
3263 AC_CHECK_HEADER(X11/SM/SMlib.h,
3264 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3266 if test "${HAVE_X_SM}" = "yes"; then
3267 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3273 ### Use XRandr (-lXrandr) if available
3275 if test "${HAVE_X11}" = "yes"; then
3276 XRANDR_REQUIRED=1.2.2
3277 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3278 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3279 if test $HAVE_XRANDR = no; then
3280 # Test old way in case pkg-config doesn't have it (older machines).
3281 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3282 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3283 if test $HAVE_XRANDR = yes; then
3284 XRANDR_LIBS=-lXrandr
3287 if test $HAVE_XRANDR = yes; then
3288 SAVE_CFLAGS="$CFLAGS"
3290 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3291 LIBS="$XRANDR_LIBS $LIBS"
3292 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3293 CFLAGS="$SAVE_CFLAGS"
3296 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3299 AC_SUBST(XRANDR_CFLAGS)
3300 AC_SUBST(XRANDR_LIBS)
3302 ### Use Xinerama (-lXinerama) if available
3304 if test "${HAVE_X11}" = "yes"; then
3305 XINERAMA_REQUIRED=1.0.2
3306 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3307 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3308 if test $HAVE_XINERAMA = no; then
3309 # Test old way in case pkg-config doesn't have it (older machines).
3310 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3311 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3312 if test $HAVE_XINERAMA = yes; then
3313 XINERAMA_LIBS=-lXinerama
3316 if test $HAVE_XINERAMA = yes; then
3317 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3320 AC_SUBST(XINERAMA_CFLAGS)
3321 AC_SUBST(XINERAMA_LIBS)
3323 ### Use Xfixes (-lXfixes) if available
3325 if test "${HAVE_X11}" = "yes"; then
3326 XFIXES_REQUIRED=4.0.0
3327 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3328 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3329 if test $HAVE_XFIXES = no; then
3330 # Test old way in case pkg-config doesn't have it (older machines).
3331 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3332 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3333 if test $HAVE_XFIXES = yes; then
3334 XFIXES_LIBS=-lXfixes
3337 if test $HAVE_XFIXES = yes; then
3338 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3341 AC_SUBST(XFIXES_CFLAGS)
3342 AC_SUBST(XFIXES_LIBS)
3344 ### Use libxml (-lxml2) if available
3345 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3347 if test "${with_xml2}" != "no"; then
3348 ### I'm not sure what the version number should be, so I just guessed.
3349 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3350 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3351 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3352 SAVE_CPPFLAGS="$CPPFLAGS"
3353 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3354 AC_CHECK_HEADER(libxml/HTMLparser.h,
3355 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3356 [#include <libxml/HTMLparser.h>])])
3357 CPPFLAGS="$SAVE_CPPFLAGS"
3358 if test "${HAVE_LIBXML2}" = "yes"; then
3359 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3360 LIBXML2_LIBS="-lxml2"
3363 if test "${HAVE_LIBXML2}" = "yes"; then
3364 if test "${opsys}" != "mingw32"; then
3365 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3370 if test "${HAVE_LIBXML2}" = "yes"; then
3371 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3378 AC_SUBST(LIBXML2_LIBS)
3379 AC_SUBST(LIBXML2_CFLAGS)
3381 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3382 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3383 if test "${opsys}" = "mingw32"; then
3384 emacs_cv_netdb_declares_h_errno=yes
3386 AC_CACHE_CHECK(whether netdb declares h_errno,
3387 emacs_cv_netdb_declares_h_errno,
3388 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3389 [[return h_errno;]])],
3390 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3391 if test $emacs_cv_netdb_declares_h_errno = yes; then
3392 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3395 # Check for mail-locking functions in a "mail" library. Probably this should
3396 # have the same check as for liblockfile below.
3397 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3398 if test $have_mail = yes; then
3400 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3403 LIBS="$LIBS_MAIL $LIBS"
3404 AC_CHECK_FUNCS(touchlock)
3409 dnl Debian, at least:
3410 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3411 if test $have_lockfile = yes; then
3412 LIBS_MAIL=-llockfile
3413 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3415 # If we have the shared liblockfile, assume we must use it for mail
3416 # locking (e.g. Debian). If we couldn't link against liblockfile
3417 # (no liblockfile.a installed), ensure that we don't need to.
3418 dnl This works for files generally, not just executables.
3419 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3420 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3421 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3422 if test $ac_cv_prog_liblockfile = yes; then
3423 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3424 This probably means that movemail could lose mail.
3425 There may be a `development' package to install containing liblockfile.])
3428 AC_CHECK_HEADERS_ONCE(maillock.h)
3431 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3432 ## interlock access to the mail spool. The alternative is a lock file named
3433 ## /usr/spool/mail/$USER.lock.
3436 aix4-2) mail_lock="lockf" ;;
3438 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3440 ## On GNU/Linux systems, both methods are used by various mail programs.
3441 ## I assume most people are using newer mailers that have heard of flock.
3442 ## Change this if you need to.
3443 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3444 ## configure gets the right answers, and that means *NOT* using flock.
3445 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3446 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3447 ## Debian maintainer hasn't provided a clean fix for Emacs.
3448 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3449 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3450 ## correct logic. -- fx
3451 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3452 ## liblockfile is a Free Software replacement for libmail, used on
3453 ## Debian systems and elsewhere. -rfr.
3456 if test $have_mail = yes || test $have_lockfile = yes; then
3457 test $ac_cv_header_maillock_h = yes && mail_lock=no
3462 mail_lock="none-needed" ;;
3466 case "$mail_lock" in
3467 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3469 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3473 *) BLESSMAIL_TARGET="need-blessmail" ;;
3475 AC_SUBST(BLESSMAIL_TARGET)
3478 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3479 AC_CHECK_FUNCS(accept4 gethostname \
3480 getrusage get_current_dir_name \
3481 lrand48 random rint \
3482 select getpagesize setlocale \
3483 getrlimit setrlimit shutdown getaddrinfo \
3484 pthread_sigmask strsignal setitimer \
3485 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3487 getpwent endpwent getgrent endgrent \
3488 cfmakeraw cfsetspeed copysign __executable_start log2)
3491 dnl No need to check for aligned_alloc and posix_memalign if using
3492 dnl gmalloc.o, as it supplies them. Don't use these functions on
3493 dnl Darwin as they are incompatible with unexmacosx.c.
3494 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3495 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3498 dnl Cannot use AC_CHECK_FUNCS
3499 AC_CACHE_CHECK([for __builtin_unwind_init],
3500 emacs_cv_func___builtin_unwind_init,
3501 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3502 emacs_cv_func___builtin_unwind_init=yes,
3503 emacs_cv_func___builtin_unwind_init=no)])
3504 if test $emacs_cv_func___builtin_unwind_init = yes; then
3505 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3506 [Define to 1 if you have the `__builtin_unwind_init' function.])
3509 AC_CHECK_HEADERS_ONCE(sys/un.h)
3514 AC_CHECK_FUNCS(grantpt)
3516 # PTY-related GNU extensions.
3517 AC_CHECK_FUNCS(getpt posix_openpt)
3519 # Check this now, so that we will NOT find the above functions in ncurses.
3520 # That is because we have not set up to link ncurses in lib-src.
3521 # It's better to believe a function is not available
3522 # than to expect to find it in ncurses.
3523 # Also we need tputs and friends to be able to build at all.
3524 AC_MSG_CHECKING([for library containing tputs])
3525 # Run a test program that contains a call to tputs, a call that is
3526 # never executed. This tests whether a pre-'main' dynamic linker
3527 # works with the library. It's too much trouble to actually call
3528 # tputs in the test program, due to portability hassles. When
3529 # cross-compiling, assume the test program will run if it links.
3530 AC_DEFUN([tputs_link_source], [
3532 [[extern void tputs (const char *, int, int (*)(int));
3533 int main (int argc, char **argv)
3536 tputs (argv[0], 0, 0);
3540 if test "${opsys}" = "mingw32"; then
3543 # Maybe curses should be tried earlier?
3544 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3545 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3547 if test -z "$tputs_library"; then
3551 LIBS_TERMCAP=-l$tputs_library
3553 LIBS="$LIBS_TERMCAP $LIBS"
3555 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3556 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3558 if test "X$msg" != Xno; then
3563 AC_MSG_RESULT([$msg])
3564 if test "X$msg" = Xno; then
3565 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3566 The following libraries were tried (in order):
3567 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3568 Please try installing whichever of these libraries is most appropriate
3569 for your system, together with its header files.
3570 For example, a libncurses-dev(el) or similar package.])
3573 ## Use termcap instead of terminfo?
3574 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3576 ## FIXME? In the cases below where we unconditionally set
3577 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3578 ## if that was found above to have tputs.
3579 ## Should we use the gnu* logic everywhere?
3581 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3582 ## The ncurses library has been moved out of the System framework in
3583 ## Mac OS X 10.2. So if configure detects it, set the command-line
3584 ## option to use it.
3585 darwin) LIBS_TERMCAP="-lncurses" ;;
3587 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3590 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3591 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3592 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3593 [[#if __FreeBSD_version < 400000
3596 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3598 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3600 if test $emacs_cv_freebsd_terminfo = yes; then
3601 LIBS_TERMCAP="-lncurses"
3604 LIBS_TERMCAP="-ltermcap"
3614 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3616 LIBS_TERMCAP="-ltermcap"
3620 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3622 ## hpux: Make sure we get select from libc rather than from libcurses
3623 ## because libcurses on HPUX 10.10 has a broken version of select.
3624 ## We used to use -lc -lcurses, but this may be cleaner.
3625 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3626 # set that way, now it uses the default). Isn't this a contradiction?
3627 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3631 TERMCAP_OBJ=tparam.o
3632 if test $TERMINFO = yes; then
3633 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3634 TERMCAP_OBJ=terminfo.o
3636 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3637 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3639 AC_SUBST(LIBS_TERMCAP)
3640 AC_SUBST(TERMCAP_OBJ)
3643 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3644 # On Darwin, res_init appears not to be useful: see bug#562 and
3645 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3648 if test $opsys != darwin; then
3650 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3651 #include <arpa/nameser.h>
3652 #include <resolv.h>]],
3653 [[return res_init();]])],
3654 have_res_init=yes, have_res_init=no)
3655 if test "$have_res_init" = no; then
3657 LIBS="$LIBS -lresolv"
3658 AC_MSG_CHECKING(for res_init with -lresolv)
3659 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3660 #include <arpa/nameser.h>
3661 #include <resolv.h>]],
3662 [[return res_init();]])],
3663 have_res_init=yes, have_res_init=no)
3664 AC_MSG_RESULT($have_res_init)
3665 if test "$have_res_init" = yes ; then
3671 if test "$have_res_init" = yes; then
3672 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3676 # Do we need the Hesiod library to provide the support routines?
3677 dnl FIXME? Should we be skipping this on Darwin too?
3679 if test "$with_hesiod" != no ; then
3680 # Don't set $LIBS here -- see comments above. FIXME which comments?
3681 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3682 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3683 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3684 if test "$resolv" = yes ; then
3689 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3690 hesiod=yes, :, $RESOLVLIB)])
3692 if test x"$hesiod" = xyes; then
3698 # Do we need libresolv (due to res_init or Hesiod)?
3699 if test "$resolv" = yes && test $opsys != darwin; then
3706 # These tell us which Kerberos-related libraries to use.
3713 if test "${with_kerberos}" != no; then
3715 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3716 if test $have_com_err = yes; then
3717 COM_ERRLIB=-lcom_err
3718 LIBS="$COM_ERRLIB $LIBS"
3720 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3721 if test $have_crypto = yes; then
3723 LIBS="$CRYPTOLIB $LIBS"
3725 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3726 if test $have_k5crypto = yes; then
3727 CRYPTOLIB=-lk5crypto
3728 LIBS="$CRYPTOLIB $LIBS"
3730 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3731 if test $have_krb5=yes; then
3733 LIBS="$KRB5LIB $LIBS"
3735 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3736 if test "${with_kerberos5}" = no; then
3737 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3738 if test $have_des425 = yes; then
3740 LIBS="$DESLIB $LIBS"
3742 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3743 if test $have_des = yes; then
3745 LIBS="$DESLIB $LIBS"
3748 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3749 if test $have_krb4 = yes; then
3751 LIBS="$KRB4LIB $LIBS"
3753 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3754 if test $have_krb = yes; then
3756 LIBS="$KRB4LIB $LIBS"
3761 if test "${with_kerberos5}" != no; then
3762 AC_CHECK_HEADERS(krb5.h,
3763 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3764 [#include <krb5.h>])])
3766 AC_CHECK_HEADERS(krb.h,,
3767 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3768 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3770 AC_CHECK_HEADERS(com_err.h)
3774 AC_SUBST(COM_ERRLIB)
3780 AC_CHECK_HEADERS(valgrind/valgrind.h)
3782 AC_CHECK_FUNCS_ONCE(tzset)
3783 AC_MSG_CHECKING(whether localtime caches TZ)
3784 AC_CACHE_VAL(emacs_cv_localtime_cache,
3785 [if test x$ac_cv_func_tzset = xyes; then
3786 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3787 char TZ_GMT0[] = "TZ=GMT0";
3788 char TZ_PST8[] = "TZ=PST8";
3791 time_t now = time ((time_t *) 0);
3792 int hour_GMT0, hour_unset;
3793 if (putenv (TZ_GMT0) != 0)
3795 hour_GMT0 = localtime (&now)->tm_hour;
3797 hour_unset = localtime (&now)->tm_hour;
3798 if (putenv (TZ_PST8) != 0)
3800 if (localtime (&now)->tm_hour == hour_GMT0)
3803 if (localtime (&now)->tm_hour != hour_unset)
3806 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3807 [# If we have tzset, assume the worst when cross-compiling.
3808 emacs_cv_localtime_cache=yes])
3810 # If we lack tzset, report that localtime does not cache TZ,
3811 # since we can't invalidate the cache if we don't have tzset.
3812 emacs_cv_localtime_cache=no
3814 AC_MSG_RESULT($emacs_cv_localtime_cache)
3815 if test $emacs_cv_localtime_cache = yes; then
3816 AC_DEFINE(LOCALTIME_CACHE, 1,
3817 [Define to 1 if localtime caches TZ.])
3821 AC_CHECK_FUNC(socket, , ok_so_far=no)
3822 if test $ok_so_far = yes; then
3823 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3825 if test $ok_so_far = yes; then
3826 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3828 if test $ok_so_far = yes; then
3829 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3830 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3831 [Define to 1 if you have inet sockets.])
3836 AC_CHECK_FUNCS(snprintf)
3838 dnl Check for glib. This differs from other library checks in that
3839 dnl Emacs need not link to glib unless some other library is already
3840 dnl linking to glib. Although glib provides no facilities that Emacs
3841 dnl needs for its own purposes, when glib is present Emacs needs to
3842 dnl use primitives like g_main_context_query to avoid clashing with
3843 dnl glib at a low level.
3845 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3849 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3850 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3851 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3852 LIBS="$LIBS $GFILENOTIFY_LIBS"
3853 AC_MSG_CHECKING([whether GLib is linked in])
3854 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3857 [[g_print ("Hello world");]])],
3860 AC_MSG_RESULT([$links_glib])
3861 if test "${links_glib}" = "yes"; then
3862 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3863 if test "$HAVE_NS" = no;then
3871 dnl Adapted from Haible's version.
3872 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3873 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3874 [[char* cs = nl_langinfo(CODESET);]])],
3875 emacs_cv_langinfo_codeset=yes,
3876 emacs_cv_langinfo_codeset=no)
3878 if test $emacs_cv_langinfo_codeset = yes; then
3879 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3880 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3885 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3886 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3887 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3888 if test "$emacs_cv_c_restrict_arr" = yes; then
3889 AC_DEFINE(__restrict_arr, __restrict,
3890 [Define to compiler's equivalent of C99 restrict keyword in array
3891 declarations. Define as empty for no equivalent.])
3894 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3895 dnl how the tty code is related to POSIX and/or other versions of termios.
3896 dnl The following looks like a useful start.
3898 dnl AC_SYS_POSIX_TERMIOS
3899 dnl if test $ac_cv_sys_posix_termios = yes; then
3900 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3901 dnl and macros for terminal control.])
3902 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3905 dnl Turned on June 1996 supposing nobody will mind it.
3906 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3907 if test "${opsys}" != "mingw32"; then
3908 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3909 in the full name stands for the login id.])
3912 dnl Everybody supports this, except MS.
3913 dnl Seems like the kind of thing we should be testing for, though.
3914 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3915 if test "${opsys}" != "mingw32"; then
3916 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3919 dnl Everybody supports this, except MS-DOS.
3920 dnl Seems like the kind of thing we should be testing for, though.
3921 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3922 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3923 4.2-compatible sockets.])
3925 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3927 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3928 a null file, or a data sink.])
3929 if test "${opsys}" = "mingw32"; then
3930 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3932 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3935 if test "${opsys}" = "mingw32"; then
3940 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3941 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3942 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3943 dnl decides that a command-line argument to be passed to a MinGW program
3944 dnl is a PATH-style list of directories. But that heuristics plays it
3945 dnl safe, and only does the replacement when it is _absolutely_ sure it
3946 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3947 dnl which breaks in-tree builds. So we do this manually instead.
3948 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3949 dnl be computed as ':' in MSYS Bash.
3952 dnl Everybody supports this, except MS-DOS.
3953 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3955 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3958 AC_DEFINE(DIRECTORY_SEP, ['/'],
3959 [Character that separates directories in a file name.])
3961 if test "${opsys}" = "mingw32"; then
3962 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3963 [Returns true if character is a device separator.])
3965 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3966 [Returns true if character is a directory separator.])
3968 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3969 [Returns true if character is any form of separator.])
3971 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3972 [Returns true if character is a device separator.])
3974 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3975 [Returns true if character is a directory separator.])
3977 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3978 [Returns true if character is any form of separator.])
3981 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3985 dnl Unfortunately without libXmu we cannot support EditRes.
3986 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
3987 AC_DEFINE(NO_EDITRES, 1)
3992 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3993 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3994 AC_DEFINE(NO_EDITRES, 1)
4000 irix6-5 | sol2* | unixware )
4001 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4002 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4003 dnl need the constant to dimension an array. So wire in the appropriate
4005 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4009 emacs_broken_SIGIO=no
4012 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4013 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4014 hpux* | irix6-5 | openbsd | sol2* | unixware )
4015 emacs_broken_SIGIO=yes
4019 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4020 dnl the way this system works, libc functions that return malloced
4021 dnl memory use the libc malloc implementation. Calling xfree or
4022 dnl xrealloc on the results of such functions results in a crash.
4024 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4025 dnl but that does not currently work on this system.
4027 dnl It is possible to completely override the malloc implementation on
4028 dnl AIX, but that involves putting the malloc functions in a shared
4029 dnl library and setting the MALLOCTYPE environment variable to point to
4030 dnl that shared library.
4032 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4033 dnl to avoid a crash just use the Emacs implementation for that function.
4035 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4036 dnl of this file, so that we do not check for get_current_dir_name
4037 dnl on AIX. But that might be fragile if something else ends
4038 dnl up testing for get_current_dir_name as a dependency.
4039 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4040 get_current_dir_name should not be used.])
4044 dnl Circumvent a bug in FreeBSD. In the following sequence of
4045 dnl writes/reads on a PTY, read(2) returns bogus data:
4047 dnl write(2) 1022 bytes
4048 dnl write(2) 954 bytes, get EAGAIN
4049 dnl read(2) 1024 bytes in process_read_output
4050 dnl read(2) 11 bytes in process_read_output
4052 dnl That is, read(2) returns more bytes than have ever been written
4053 dnl successfully. The 1033 bytes read are the 1022 bytes written
4054 dnl successfully after processing (for example with CRs added if the
4055 dnl terminal is set up that way which it is here). The same bytes will
4056 dnl be seen again in a later read(2), without the CRs.
4057 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4058 work around an issue when reading from a PTY.])
4064 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4065 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4070 darwin | dragonfly | freebsd | netbsd | openbsd )
4071 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4072 close a pty to make it a controlling terminal (it is already a
4073 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4077 dnl FIXME Surely we can test for this rather than hard-code it.
4079 netbsd | openbsd) sound_device="/dev/audio" ;;
4080 *) sound_device="/dev/dsp" ;;
4084 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4085 [Name of the default sound device.])
4088 dnl Emacs can read input using SIGIO and buffering characters itself,
4089 dnl or using CBREAK mode and making C-g cause SIGINT.
4090 dnl The choice is controlled by the variable interrupt_input.
4092 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4094 dnl Emacs uses the presence of the USABLE_SIGIO macro
4095 dnl to indicate whether or not signal-driven I/O is possible. It uses
4096 dnl INTERRUPT_INPUT to decide whether to use it by default.
4098 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4099 dnl CBREAK mode has two disadvantages
4100 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4101 dnl I hear that in system V this problem does not exist.
4102 dnl 2) Control-G causes output to be discarded.
4103 dnl I do not know whether this can be fixed in system V.
4105 dnl Another method of doing input is planned but not implemented.
4106 dnl It would have Emacs fork off a separate process
4107 dnl to read the input and send it to the true Emacs process
4110 darwin | gnu-linux | gnu-kfreebsd )
4111 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4116 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4117 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4118 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4119 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4120 dnl taking float or double parameters.
4122 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4123 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4124 file defines `NeedWidePrototypes' as `NO'.])
4129 dnl Used in process.c, this must be a loop, even if it only runs once.
4130 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4131 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4132 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4133 dnl trying suffixes 0-16.
4134 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4135 first PTY, if PTYs are supported.])
4136 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4137 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4138 end of a PTY, if non-standard.])
4139 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4140 end of a PTY, if non-standard.])
4144 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4145 dnl You allocate a pty by opening /dev/ptc to get the master side.
4146 dnl To get the name of the slave side, you just ttyname() the master side.
4147 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4148 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4152 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4153 dnl multi-line AC_DEFINEs are hard. :(
4154 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 (false)])
4155 AC_DEFINE(PTY_NAME_SPRINTF, [])
4156 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4159 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4161 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4162 dnl Not used, because PTY_ITERATION is defined.
4163 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4164 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4165 dnl But we don't have to block SIGCHLD because it is blocked in the
4166 dnl implementation of grantpt.
4167 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4168 AC_DEFINE(PTY_NAME_SPRINTF, [])
4169 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4173 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4176 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4178 if test "x$ac_cv_func_grantpt" = xyes; then
4179 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4180 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4181 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4182 dnl to prevent sigchld_handler from intercepting the child's death.
4183 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) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
4184 dnl if HAVE_POSIX_OPENPT
4185 if test "x$ac_cv_func_posix_openpt" = xyes; then
4186 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4187 AC_DEFINE(PTY_NAME_SPRINTF, [])
4189 elif test "x$ac_cv_func_getpt" = xyes; then
4190 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4191 AC_DEFINE(PTY_NAME_SPRINTF, [])
4193 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4196 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4201 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4202 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4203 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4207 dnl It looks like this cannot be right, because it is not a loop.
4208 dnl However, process.c actually does this:
4214 dnl which presumably makes it OK, since irix == sgi (?).
4215 dnl FIXME it seems like this special treatment is unnecessary?
4216 dnl Why can't irix use a single-trip loop like eg cygwin?
4217 AC_DEFINE(PTY_ITERATION, [])
4218 dnl Not used, because PTY_ITERATION is defined.
4219 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4220 AC_DEFINE(PTY_OPEN, [ { struct sigaction ocstat, cstat; struct stat stb; char * name; sigemptyset(&cstat.sa_mask); cstat.sa_handler = SIG_DFL; cstat.sa_flags = 0; sigaction(SIGCHLD, &cstat, &ocstat); name = _getpty (&fd, O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCHLD, &ocstat, (struct sigaction *)0); if (name == 0) return -1; if (fd < 0) return -1; if (fstat (fd, &stb) < 0) return -1; strcpy (pty_name, name); }])
4221 dnl No need to get the pty name at all.
4222 AC_DEFINE(PTY_NAME_SPRINTF, [])
4223 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4224 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4228 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4229 dnl from intercepting that death. If any child but grantpt's should die
4230 dnl within, it should be caught after sigrelse(2).
4231 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1 || unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) { emacs_close (fd); return -1; } snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
4235 dnl Comments are as per sol2*.
4236 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt (fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1) fatal("could not grant slave pty"); if (unlockpt(fd) == -1) fatal("could not unlock slave pty"); if (!(ptyname = ptsname(fd))) fatal ("could not enable slave pty"); snprintf (pty_name, PTY_NAME_SIZE, "%s", ptyname); }])
4243 dnl This change means that we don't loop through allocate_pty too
4244 dnl many times in the (rare) event of a failure.
4245 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4246 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4247 dnl Push various streams modules onto a PTY channel. Used in process.c.
4248 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.])
4253 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4254 "typing" a signal character on the pty.])
4257 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4258 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4259 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4260 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4263 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4264 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4265 gnu-linux | gnu-kfreebsd )
4267 AC_MSG_CHECKING([for signals via characters])
4268 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4269 #include <linux/version.h>
4270 #if LINUX_VERSION_CODE < 0x20400
4271 # error "Linux version too old"
4273 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4275 AC_MSG_RESULT([$emacs_signals_via_chars])
4276 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4281 AH_TEMPLATE(TAB3, [Undocumented.])
4284 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4286 gnu | dragonfly | freebsd | netbsd | openbsd )
4287 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4288 AC_DEFINE(TAB3, OXTABS)
4291 gnu-linux | gnu-kfreebsd )
4292 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4296 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4297 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4298 [Mark a secondary stack, like the register stack on the ia64.]), [])
4302 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4303 run_time_remap; for HPUX.])
4308 dnl This won't be used automatically yet. We also need to know, at least,
4309 dnl that the stack is continuous.
4310 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4311 registers relevant for conservative garbage collection in the jmp_buf.])
4315 dnl Not all the architectures are tested, but there are Debian packages
4316 dnl for SCM and/or Guile on them, so the technique must work. See also
4317 dnl comments in alloc.c concerning setjmp and gcc.
4318 dnl Fixme: it's probably safe to just use the GCC conditional below.
4319 gnu-linux | gnu-kfreebsd )
4320 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4321 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4322 || defined __alpha__ || defined __mips__ || defined __s390__ \
4323 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4324 || defined __ia64__ || defined __sh__
4327 # error "setjmp not known to work on this arch"
4329 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4334 if test x$GCC = xyes; then
4335 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4336 AC_DEFINE(GC_SETJMP_WORKS, 1)
4339 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4340 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4341 AC_DEFINE(GC_SETJMP_WORKS, 1)
4346 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4347 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4350 [[#include <setjmp.h>
4352 # define _longjmp longjmp
4357 _longjmp (j, 1);]])],
4358 [emacs_cv_func__setjmp=yes],
4359 [emacs_cv_func__setjmp=no])])
4360 if test $emacs_cv_func__setjmp = yes; then
4361 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4363 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4366 [[#include <setjmp.h>
4369 if (! sigsetjmp (j, 1))
4370 siglongjmp (j, 1);]])],
4371 [emacs_cv_func_sigsetjmp=yes],
4372 [emacs_cv_func_sigsetjmp=no])])
4373 if test $emacs_cv_func_sigsetjmp = yes; then
4374 AC_DEFINE([HAVE_SIGSETJMP], 1,
4375 [Define to 1 if sigsetjmp and siglongjmp work.
4376 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4382 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4383 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4384 dnl and this is all we need.
4385 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4392 dnl Used in xfaces.c.
4393 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4394 some systems, where it requires time.h.])
4399 dnl Define symbols to identify the version of Unix this is.
4400 dnl Define all the symbols that apply correctly.
4401 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4402 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4403 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4404 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4409 dnl This symbol should be defined on AIX Version 3 ???????
4410 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4412 # error "_AIX not defined"
4414 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4418 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4422 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4423 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4424 dnl distinguish OS X from pure Darwin.
4425 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4428 gnu-linux | gnu-kfreebsd )
4430 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4435 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4440 AC_DEFINE(USG5_4, [])
4441 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4445 AC_DEFINE(DOS_NT, [])
4446 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4447 if test "x$ac_enable_checking" != "x" ; then
4448 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4454 AC_DEFINE(USG5_4, [])
4455 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4460 AC_DEFINE(USG5_4, [])
4464 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4467 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4468 emacs_cv_usable_FIONREAD=no
4472 emacs_cv_usable_FIONREAD=yes
4477 [AC_LANG_PROGRAM([[#include <sys/types.h>
4478 #include <sys/ioctl.h>
4480 # include <sys/filio.h>
4483 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4484 [emacs_cv_usable_FIONREAD=yes],
4485 [emacs_cv_usable_FIONREAD=no])
4488 if test $emacs_cv_usable_FIONREAD = yes; then
4489 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4491 if test $emacs_broken_SIGIO = no; then
4492 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4494 [AC_LANG_PROGRAM([[#include <fcntl.h>
4497 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4498 [emacs_cv_usable_SIGIO=yes],
4499 [emacs_cv_usable_SIGIO=no])],
4500 [emacs_cv_usable_SIGIO=yes],
4501 [emacs_cv_usable_SIGIO=no])
4502 if test $emacs_cv_usable_SIGIO = yes; then
4503 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4510 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4511 dnl and on Cygwin prior to version 1.7.24 that becomes the
4512 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4513 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4514 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4515 dnl needed starting with cygwin-1.7.24, and it is no longer
4516 dnl effective starting with glib-2.36. */
4518 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4519 G_SLICE environment variable to "always-malloc" at startup.])
4523 dnl It works to open the pty's tty in the parent (Emacs), then
4524 dnl close and reopen it in the child.
4525 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4526 works to open a pty's tty in the parent process, then close and
4527 reopen it in the child.])
4531 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4532 use VSUSP instead of VSWTCH.])
4536 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4541 # Set up the CFLAGS for real compilation, so we can substitute it.
4542 CFLAGS="$REAL_CFLAGS"
4543 CPPFLAGS="$REAL_CPPFLAGS"
4546 ## Hack to detect a buggy GCC version.
4547 if test "x$GCC" = xyes \
4548 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4549 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4550 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4551 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4554 version=$PACKAGE_VERSION
4556 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4557 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4558 [Short copyright string for this version of Emacs.])
4561 ### Specify what sort of things we'll be editing into Makefile and config.h.
4562 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4564 AC_SUBST(configuration)
4569 AC_SUBST(exec_prefix)
4572 AC_SUBST(sharedstatedir)
4573 AC_SUBST(libexecdir)
4577 AC_SUBST(standardlisppath)
4578 AC_SUBST(locallisppath)
4580 AC_SUBST(x_default_search_path)
4582 AC_SUBST(archlibdir)
4587 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4588 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4589 ## end of LIBX_BASE, but nothing ever set it.
4590 AC_SUBST(LD_SWITCH_X_SITE)
4591 AC_SUBST(C_SWITCH_X_SITE)
4592 AC_SUBST(GNUSTEP_CFLAGS)
4594 ## Used in lwlib/Makefile.in.
4595 AC_SUBST(X_TOOLKIT_TYPE)
4597 AC_SUBST(ns_appbindir)
4598 AC_SUBST(ns_appresdir)
4600 AC_SUBST(GNU_OBJC_CFLAGS)
4601 AC_SUBST(OTHER_FILES)
4603 if test -n "${term_header}"; then
4604 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4605 [Define to the header for the built-in window system.])
4608 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4609 [Define to the canonical Emacs configuration name.])
4610 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4611 [Define to the options passed to configure.])
4612 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4613 define this to include extra configuration information.])
4617 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4624 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4625 AC_DEFINE(HAVE_X_WINDOWS, 1,
4626 [Define to 1 if you want to use the X window system.])
4628 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4630 if test "$HAVE_XFT" = "yes"; then
4631 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4632 elif test "$HAVE_FREETYPE" = "yes"; then
4633 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4643 if test "${USE_X_TOOLKIT}" != "none" ; then
4645 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4646 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4647 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4648 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4649 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4653 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4654 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4658 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4659 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4660 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4664 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4665 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4668 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4671 AC_SUBST(WIDGET_OBJ)
4674 case "$USE_X_TOOLKIT" in
4675 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4676 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4677 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4679 AC_SUBST(TOOLKIT_LIBW)
4681 if test "${opsys}" != "mingw32"; then
4682 if test "$USE_X_TOOLKIT" = "none"; then
4683 LIBXT_OTHER="\$(LIBXSM)"
4685 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4688 AC_SUBST(LIBXT_OTHER)
4690 if test "${HAVE_X11}" = "yes" ; then
4691 AC_DEFINE(HAVE_X11, 1,
4692 [Define to 1 if you want to use version 11 of X windows.])
4693 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4697 AC_SUBST(LIBX_OTHER)
4699 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4701 elif test "$USE_X_TOOLKIT" = none; then
4702 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4704 LIBXMENU='$(lwlibdir)/liblw.a'
4708 if test "${GNU_MALLOC}" = "yes" ; then
4709 AC_DEFINE(GNU_MALLOC, 1,
4710 [Define to 1 if you want to use the GNU memory allocator.])
4714 if test "${REL_ALLOC}" = "yes" ; then
4715 AC_DEFINE(REL_ALLOC, 1,
4716 [Define REL_ALLOC if you want to use the relocating allocator for
4719 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4721 AC_SUBST(RALLOC_OBJ)
4723 if test "$opsys" = "cygwin"; then
4724 CYGWIN_OBJ="sheap.o cygw32.o"
4725 ## Cygwin differs because of its unexec().
4727 POST_ALLOC_OBJ=lastfile.o
4728 elif test "$opsys" = "mingw32"; then
4731 POST_ALLOC_OBJ=lastfile.o
4734 PRE_ALLOC_OBJ=lastfile.o
4737 AC_SUBST(CYGWIN_OBJ)
4738 AC_SUBST(PRE_ALLOC_OBJ)
4739 AC_SUBST(POST_ALLOC_OBJ)
4741 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4742 dnl verbatim defined above. The tricky name is apropos, as this hack
4743 dnl makes Fortify go sour!
4744 AH_VERBATIM([FORTIFY_SOUR],
4745 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4746 The workaround disables some useful run-time checking, so it
4747 should be conditional to the platforms with the performance bug.
4748 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4749 #if defined __APPLE__ && defined __GNUC__
4750 # ifndef _DONT_USE_CTYPE_INLINE_
4751 # define _DONT_USE_CTYPE_INLINE_
4753 # ifndef _FORTIFY_SOURCE
4754 # define _FORTIFY_SOURCE 0
4759 # If user asks to omit features, disable optional features that gnulib
4760 # might otherwise enable.
4761 if test "$with_features" = no && test "$enable_acl" != yes; then
4765 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4766 # it temporarily reverts them to their pre-pkg-config values,
4767 # because gnulib needs to work with both src (which uses the
4768 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4769 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4770 # and it therefore needs to run in an environment where LIBS does not
4771 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4772 # for some package unrelated to lib-src.
4775 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4776 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4777 gl_ASSERT_NO_GNULIB_POSIXCHECK
4778 gl_ASSERT_NO_GNULIB_TESTS
4783 if test "${opsys}" = "mingw32"; then
4784 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4785 # Remove unneeded switches from the value of CC that goes to Makefiles
4786 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4790 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4793 ## The -headerpad option tells ld (see man page) to leave room at the
4794 ## end of the header for adding load commands. Needed for dumping.
4795 ## 0x690 is the total size of 30 segment load commands (at 56
4796 ## each); under Cocoa 31 commands are required.
4797 if test "$HAVE_NS" = "yes"; then
4798 libs_nsgui="-framework AppKit"
4799 if test "$NS_IMPL_COCOA" = "yes"; then
4800 libs_nsgui="$libs_nsgui -framework IOKit"
4807 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4809 ## This is here because src/Makefile.in did some extra fiddling around
4810 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4811 ## LD_SWITCH_SYSTEM_TEMACS instead,
4812 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4813 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4816 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4817 ## find X at run-time.
4818 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4819 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4820 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4821 ## had different values in configure (in ac_link) and src/Makefile.in.
4822 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4823 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4826 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4827 case "$canonical" in
4828 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4829 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4833 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4835 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4838 if test x$ac_enable_profiling != x ; then
4840 *freebsd | gnu-linux) ;;
4841 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4845 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4847 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4849 ## Common for all window systems
4850 if test "$window_system" != "none"; then
4851 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4852 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4853 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4856 AC_SUBST(WINDOW_SYSTEM_OBJ)
4858 AH_TOP([/* GNU Emacs site configuration template file.
4860 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4861 Free Software Foundation, Inc.
4863 This file is part of GNU Emacs.
4865 GNU Emacs is free software: you can redistribute it and/or modify
4866 it under the terms of the GNU General Public License as published by
4867 the Free Software Foundation, either version 3 of the License, or
4868 (at your option) any later version.
4870 GNU Emacs is distributed in the hope that it will be useful,
4871 but WITHOUT ANY WARRANTY; without even the implied warranty of
4872 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4873 GNU General Public License for more details.
4875 You should have received a copy of the GNU General Public License
4876 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4879 /* No code in Emacs #includes config.h twice, but some bits of code
4880 intended to work with other packages as well (like gmalloc.c)
4881 think they can include it as many times as they like. */
4882 #ifndef EMACS_CONFIG_H
4883 #define EMACS_CONFIG_H
4886 AH_BOTTOM([#include <conf_post.h>
4888 #endif /* EMACS_CONFIG_H */
4897 #### Report on what we decided to do.
4898 #### Report GTK as a toolkit, even if it doesn't use Xt.
4899 #### It makes printing result more understandable as using GTK sets
4900 #### toolkit_scroll_bars to yes by default.
4901 if test "${HAVE_GTK}" = "yes"; then
4902 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4905 if test $USE_ACL -ne 0; then
4906 ACL_SUMMARY="yes $LIB_ACL"
4912 Configured for \`${canonical}'.
4914 Where should the build process find the source code? ${srcdir}
4915 What compiler should emacs be built with? ${CC} ${CFLAGS}
4916 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4917 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4918 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4919 What window system should Emacs use? ${window_system}
4920 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4922 if test -n "${x_includes}"; then
4923 echo " Where do we find X Windows header files? ${x_includes}"
4925 echo " Where do we find X Windows header files? Standard dirs"
4927 if test -n "${x_libraries}"; then
4928 echo " Where do we find X Windows libraries? ${x_libraries}"
4930 echo " Where do we find X Windows libraries? Standard dirs"
4934 emacs_config_features=
4935 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
4936 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
4940 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
4941 *) eval val=\${HAVE_$opt} ;;
4943 test x"$val" = xno && continue
4944 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
4947 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
4948 [Summary of some of the main features enabled by configure.])
4950 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4951 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4952 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4953 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4954 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4955 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
4956 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4957 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4959 echo " Does Emacs support sound? ${HAVE_SOUND}"
4961 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4962 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4963 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4964 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4965 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4966 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
4967 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4968 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4969 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4971 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4972 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4973 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4974 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4975 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4977 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4980 if test -n "${EMACSDATA}"; then
4981 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4983 if test -n "${EMACSDOC}"; then
4984 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4989 if test "$HAVE_NS" = "yes"; then
4991 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4992 The installed application will go to nextstep/Emacs.app and can be
4993 run or moved from there."
4994 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4995 echo "The application will be fully self-contained."
4997 echo "The lisp resources for the application will be installed under ${prefix}.
4998 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4999 to run if these resources are not installed."
5004 if test "${opsys}" = "cygwin"; then
5006 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5012 # Remove any trailing slashes in these variables.
5013 [test "${prefix}" != NONE &&
5014 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5015 test "${exec_prefix}" != NONE &&
5016 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5018 if test "$HAVE_NS" = "yes"; then
5019 if test "$NS_IMPL_GNUSTEP" = yes; then
5020 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5021 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5022 ns_check_file=Resources/Info-gnustep.plist
5024 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5025 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5026 ns_check_file=Contents/Info.plist
5028 AC_SUBST(ns_check_file)
5031 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5032 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5033 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5034 dnl (else you get "no `Makefile.am' found for any configure output").
5035 dnl This will work, but you get a config.status that is not quite right
5036 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5037 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5038 dnl it seems better to just live with the duplication.
5039 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5041 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5042 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5043 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5044 leim/Makefile nextstep/Makefile nt/Makefile])
5046 dnl test/ is not present in release tarfiles.
5047 opt_makefile=test/automated/Makefile
5049 if test -f "$srcdir/$opt_makefile.in"; then
5050 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5051 dnl Again, it's best not to use a variable. Though you can add
5052 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5053 AC_CONFIG_FILES([test/automated/Makefile])
5057 dnl The admin/ directory used to be excluded from tarfiles.
5058 if test -d $srcdir/admin; then
5059 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5060 AC_CONFIG_FILES([admin/unidata/Makefile])
5061 AC_CONFIG_FILES([admin/grammars/Makefile])
5065 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5067 AC_SUBST(SUBDIR_MAKEFILES_IN)
5069 dnl You might wonder (I did) why epaths.h is generated by running make,
5070 dnl rather than just letting configure generate it from epaths.in.
5071 dnl One reason is that the various paths are not fully expanded (see above);
5072 dnl eg gamedir=${prefix}/var/games/emacs.
5073 dnl Secondly, the GNU Coding standards require that one should be able
5074 dnl to run `make prefix=/some/where/else' and override the values set
5075 dnl by configure. This also explains the `move-if-change' test and
5076 dnl the use of force in the `epaths-force' rule in Makefile.in.
5077 AC_CONFIG_COMMANDS([src/epaths.h], [
5078 if test "${opsys}" = "mingw32"; then
5079 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5081 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5082 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5083 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5085 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5086 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5088 AC_CONFIG_COMMANDS([src/.gdbinit], [
5089 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5090 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5096 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])