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 AC_INIT(emacs, 24.3.50)
27 if test "x$MSYSTEM" = "xMINGW32"
29 . $srcdir/nt/mingw-cfg.site
33 # srcdir is an absolute path. In this case, force the format
34 # "/c/foo/bar", to simplify later conversions to native Windows
35 # format ("c:/foo/bar")
36 srcdir=`cd "${srcdir}" && pwd -W`
37 srcdir="/${srcdir:0:1}${srcdir:2}"
42 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
43 dnl and then quoted again for a C string. Separate options with spaces.
44 dnl Add some environment variables, if they were passed via the environment
45 dnl rather than on the command-line.
48 dnl This is the documented way to record the args passed to configure,
49 dnl rather than $ac_configure_args.
50 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
52 -n | --no-create | --no-recursion)
54 CFLAGS | CPPFLAGS | LDFLAGS)
55 eval 'test "${'$opt'+set}" = set' || continue
57 *" $opt="*) continue ;;
59 eval opt=$opt=\$$opt ;;
62 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
64 *[["$emacs_shell_specials"]]*)
67 emacs_quote_apostrophes="s/'/'\\\\''/g"
68 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
73 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
74 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
77 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
81 AC_CONFIG_HEADERS(src/config.h:src/config.in)
82 AC_CONFIG_SRCDIR(src/lisp.h)
83 AC_CONFIG_AUX_DIR(build-aux)
86 AC_CHECK_PROGS(XCRUN, [xcrun])
87 if test -n "$XCRUN"; then
88 if test -z "$MAKE"; then
89 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
90 dnl SET_MAKE and with the usual MAKE variable that 'make' itself uses.
91 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
92 if test -z "$MAKE_PROG"; then
95 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
100 dnl Fairly arbitrary, older versions might work too.
101 AM_INIT_AUTOMAKE(1.11)
103 dnl Support for --program-prefix, --program-suffix and
104 dnl --program-transform-name options
107 dnl It is important that variables on the RHS not be expanded here,
108 dnl hence the single quotes. This is per the GNU coding standards, see
109 dnl (autoconf) Installation Directory Variables
110 dnl See also epaths.h below.
111 lispdir='${datadir}/emacs/${version}/lisp'
112 standardlisppath='${lispdir}'
113 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
114 '${datadir}/emacs/site-lisp'
115 lisppath='${locallisppath}:${standardlisppath}'
116 etcdir='${datadir}/emacs/${version}/etc'
117 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
118 etcdocdir='${datadir}/emacs/${version}/etc'
119 gamedir='${localstatedir}/games/emacs'
121 dnl Special option to disable the most of other options.
123 [AS_HELP_STRING([--without-all],
124 [omit almost all features and build
125 small executable with minimal dependencies])],
126 [with_features=$withval],
129 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
130 dnl Create a new --with option that defaults to being disabled.
131 dnl NAME is the base name of the option. The shell variable with_NAME
132 dnl will be set to either the user's value (if the option is
133 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
134 dnl option is not specified). Note that the shell variable name is
135 dnl constructed as autoconf does, by replacing non-alphanumeric
136 dnl characters with "_".
137 dnl HELP-STRING is the help text for the option.
138 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
139 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
140 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
143 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
144 dnl Create a new --with option that defaults to $with_features.
145 dnl NAME is the base name of the option. The shell variable with_NAME
146 dnl will be set either to 'no' (for a plain --without-NAME) or to
147 dnl 'yes' (if the option is not specified). Note that the shell
148 dnl variable name is constructed as autoconf does, by replacing
149 dnl non-alphanumeric characters with "_".
150 dnl HELP-STRING is the help text for the option.
151 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
152 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
153 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
156 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
157 if test "$with_pop" = yes; then
158 AC_DEFINE(MAIL_USE_POP)
160 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
162 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
163 if test "$with_kerberos" != no; then
166 AH_TEMPLATE(KERBEROS,
167 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
169 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
170 if test "${with_kerberos5}" != no; then
171 if test "${with_kerberos}" = no; then
175 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
178 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
179 dnl FIXME hesiod support may not be present, so it seems like an error
180 dnl to define, or at least use, this unconditionally.
181 if test "$with_hesiod" != no; then
182 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
185 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
186 if test "$with_mmdf" != no; then
187 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
190 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
191 if test "$with_mail_unlink" != no; then
192 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
195 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
196 [string giving default POP mail host])],
197 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
199 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
200 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
201 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
202 [ case "${withval}" in
203 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
204 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
205 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
210 [with_sound=$with_features])
212 dnl FIXME currently it is not the last.
213 dnl This should be the last --with option, because --with-x is
214 dnl added later on when we find the file name of X, and it's best to
215 dnl keep them together visually.
216 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
217 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
218 [ case "${withval}" in
219 y | ye | yes ) val=gtk ;;
221 l | lu | luc | luci | lucid ) val=lucid ;;
222 a | at | ath | athe | athen | athena ) val=athena ;;
223 m | mo | mot | moti | motif ) val=motif ;;
224 g | gt | gtk ) val=gtk ;;
228 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
229 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
230 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
231 `athena' and `lucid' are synonyms.])
237 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
238 if test "$with_wide_int" = yes; then
239 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
242 dnl _ON results in a '--without' option in the --help output, so
243 dnl the help text should refer to "don't compile", etc.
244 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
245 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
246 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
247 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
248 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
249 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
250 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
251 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
253 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
254 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
255 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
257 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
258 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
259 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
260 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
261 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
263 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
264 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
265 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
266 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
267 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
268 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
269 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
271 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
272 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
273 [ case "${withval}" in
274 y | ye | yes ) val=yes ;;
276 g | gf | gfi | gfil | gfile ) val=gfile ;;
277 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
278 w | w3 | w32 ) val=w32 ;;
279 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
280 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
281 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
282 otherwise for the first of `gfile' or `inotify' that is usable.])
285 with_file_notification=$val
287 [with_file_notification=$with_features])
289 ## For the times when you want to build Emacs but don't have
290 ## a suitable makeinfo, and can live without the manuals.
291 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
292 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
294 ## Makefile.in needs the cache file name.
297 ## This is an option because I do not know if all info/man support
298 ## compressed files, nor how to test if they do so.
299 OPTION_DEFAULT_ON([compress-install],
300 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
301 make GZIP_PROG= install])
303 AC_ARG_WITH([pkg-config-prog],dnl
304 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
305 [file name of pkg-config for finding GTK and librsvg])])
306 if test "X${with_pkg_config_prog}" != X; then
307 if test "${with_pkg_config_prog}" != yes; then
308 PKG_CONFIG="${with_pkg_config_prog}"
312 AC_ARG_WITH(gameuser,dnl
313 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
314 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
315 && gameuser="${with_gameuser}"
316 test "X$gameuser" = X && gameuser=games
318 AC_ARG_WITH([gnustep-conf],dnl
319 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
320 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
321 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
322 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
323 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
324 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
326 AC_ARG_ENABLE(ns-self-contained,
327 [AS_HELP_STRING([--disable-ns-self-contained],
328 [disable self contained build under NeXTstep])],
329 EN_NS_SELF_CONTAINED=$enableval,
330 EN_NS_SELF_CONTAINED=yes)
332 AC_ARG_ENABLE(locallisppath,
333 [AS_HELP_STRING([--enable-locallisppath=PATH],
334 [directories Emacs should search for lisp files specific
336 if test "${enableval}" = "no"; then
338 elif test "${enableval}" != "yes"; then
339 locallisppath=${enableval}
342 AC_ARG_ENABLE(checking,
343 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
344 [enable expensive run-time checks. With LIST,
345 enable only specific categories of checks.
346 Categories are: all,yes,no.
347 Flags are: stringbytes, stringoverrun, stringfreelist,
348 xmallocoverrun, conslist, glyphs])],
349 [ac_checking_flags="${enableval}"],[])
350 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
351 for check in $ac_checking_flags
354 # these set all the flags to specific states
355 yes) ac_enable_checking=1 ;;
356 no) ac_enable_checking= ;
357 ac_gc_check_stringbytes= ;
358 ac_gc_check_string_overrun= ;
359 ac_gc_check_string_free_list= ;
360 ac_xmalloc_overrun= ;
361 ac_gc_check_cons_list= ;
363 all) ac_enable_checking=1 ;
364 ac_gc_check_stringbytes=1 ;
365 ac_gc_check_string_overrun=1 ;
366 ac_gc_check_string_free_list=1 ;
367 ac_xmalloc_overrun=1 ;
368 ac_gc_check_cons_list=1 ;
370 # these enable particular checks
371 stringbytes) ac_gc_check_stringbytes=1 ;;
372 stringoverrun) ac_gc_check_string_overrun=1 ;;
373 stringfreelist) ac_gc_check_string_free_list=1 ;;
374 xmallocoverrun) ac_xmalloc_overrun=1 ;;
375 conslist) ac_gc_check_cons_list=1 ;;
376 glyphs) ac_glyphs_debug=1 ;;
377 *) AC_MSG_ERROR(unknown check category $check) ;;
382 if test x$ac_enable_checking != x ; then
383 AC_DEFINE(ENABLE_CHECKING, 1,
384 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
386 if test x$ac_gc_check_stringbytes != x ; then
387 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
388 [Define this temporarily to hunt a bug. If defined, the size of
389 strings is redundantly recorded in sdata structures so that it can
390 be compared to the sizes recorded in Lisp strings.])
392 if test x$ac_gc_check_string_overrun != x ; then
393 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
394 [Define this to check for short string overrun.])
396 if test x$ac_gc_check_string_free_list != x ; then
397 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
398 [Define this to check the string free list.])
400 if test x$ac_xmalloc_overrun != x ; then
401 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
402 [Define this to check for malloc buffer overrun.])
404 if test x$ac_gc_check_cons_list != x ; then
405 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
406 [Define this to check for errors in cons list.])
408 if test x$ac_glyphs_debug != x ; then
409 AC_DEFINE(GLYPH_DEBUG, 1,
410 [Define this to enable glyphs debugging code.])
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$ac_enable_profiling != x ; then
434 PROFILING_CFLAGS="-DPROFILING=1 -pg"
438 AC_SUBST(PROFILING_CFLAGS)
440 AC_ARG_ENABLE(autodepend,
441 [AS_HELP_STRING([--enable-autodepend],
442 [automatically generate dependencies to .h-files.
443 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
445 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
447 AC_ARG_ENABLE(gtk-deprecation-warnings,
448 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
449 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
450 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
452 ### Canonicalize the configuration name.
456 configuration=${host_alias-${build_alias-$host}}
458 dnl This used to use changequote, but, apart from `changequote is evil'
459 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
460 dnl the great gob of text. Thus it's not processed for possible expansion.
461 dnl Just make sure the brackets remain balanced.
463 dnl Since Emacs can't find matching pairs of quotes, boundaries are
464 dnl indicated by comments.
468 ### If you add support for a new configuration, add code to this
469 ### switch statement to recognize your configuration name and select
470 ### the appropriate operating system file.
472 ### You would hope that you could choose an s/*.h
473 ### file based on the operating system portion. However, it turns out
474 ### that each s/*.h file is pretty manufacturer-specific.
475 ### So we basically have to have a special case for each
476 ### configuration name.
478 ### As far as handling version numbers on operating systems is
479 ### concerned, make sure things will fail in a fixable way. If
480 ### /etc/MACHINES doesn't say anything about version numbers, be
481 ### prepared to handle anything reasonably. If version numbers
482 ### matter, be sure /etc/MACHINES says something about it.
485 case "${canonical}" in
487 ## GNU/Linux and similar ports
502 ## FreeBSD kernel + glibc based userland
517 ## Apple Darwin / Mac OS X
519 case "${canonical}" in
526 ## Use fink packages if available.
527 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
528 ## if test -d /sw/include && test -d /sw/lib; then
529 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
530 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
539 ## HP 9000 series 700 and 800, running HP/UX
543 hppa*-hp-hpux1[1-9]* )
545 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
549 rs6000-ibm-aix4.[23]* )
552 powerpc-ibm-aix4.[23]* )
555 rs6000-ibm-aix[56]* )
558 powerpc-ibm-aix[56]* )
562 ## Silicon Graphics machines
566 # Without defining _LANGUAGE_C, things get masked out in the headers
567 # so that, for instance, grepping for `free' in stdlib.h fails and
568 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
569 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
574 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
575 | x86_64-*-solaris2* | x86_64-*-sunos5*)
576 case "${canonical}" in
578 amd64-*-*|x86_64-*-*) ;;
582 case "${canonical}" in
583 *-sunos5.6* | *-solaris2.6* )
587 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
589 emacs_check_sunpro_c=yes
591 *-sunos5* | *-solaris* )
593 emacs_check_sunpro_c=yes
596 ## Watch out for a compiler that we know will not work.
597 case "${canonical}" in
598 *-solaris* | *-sunos5* )
599 if [ "x$CC" = x/usr/ucb/cc ]; then
600 ## /usr/ucb/cc doesn't work;
601 ## we should find some other compiler that does work.
609 ## Intel 386 machines where we don't care about the manufacturer.
611 case "${canonical}" in
612 *-darwin* ) opsys=darwin ;;
615 # MinGW overrides and adds some system headers in nt/inc.
616 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
618 *-sysv4.2uw* ) opsys=unixware ;;
619 *-sysv5uw* ) opsys=unixware ;;
620 *-sysv5OpenUNIX* ) opsys=unixware ;;
621 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
627 case "${canonical}" in
630 # MinGW overrides and adds some system headers in nt/inc.
631 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
633 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
642 ### If the code above didn't choose an operating system, just choose
643 ### an operating system based on the configuration name. You really
644 ### only want to use this when you have no idea what the right
645 ### operating system is; if you know what operating systems a machine
646 ### runs, it's cleaner to make it explicit in the case statement
648 if test x"${opsys}" = x; then
649 case "${canonical}" in
650 *-gnu* ) opsys=gnu ;;
660 if test $unported = yes; then
661 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
662 Check `etc/MACHINES' for recognized configuration names.])
666 #### Choose a compiler.
668 dnl Sets GCC=yes if using gcc.
669 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
670 if test -n "$XCRUN"; then
671 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
672 test -n "$AR" && export AR
677 if test x$GCC = xyes; then
678 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
680 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
683 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
684 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
685 dnl that clash with MinGW.
686 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
688 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
689 AC_DEFUN([gl_CRYPTO_CHECK])
690 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
691 # as we don't use them.
692 AC_DEFUN([gl_FCNTL_O_FLAGS])
693 # Avoid gnulib's threadlib module, as we do threads our own way.
694 AC_DEFUN([gl_THREADLIB])
696 # Initialize gnulib right after choosing the compiler.
697 dnl Amongst other things, this sets AR and ARFLAGS.
700 if test "$ac_test_CFLAGS" != set; then
701 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
702 # if -g3 works and the user does not specify CFLAGS.
703 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
706 emacs_g3_CFLAGS='-g3';;
708 emacs_g3_CFLAGS='-g3 -O2';;
712 if test -n "$emacs_g3_CFLAGS"; then
713 emacs_save_CFLAGS=$CFLAGS
714 CFLAGS=$emacs_g3_CFLAGS
715 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
716 [emacs_cv_prog_cc_g3],
717 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
718 [emacs_cv_prog_cc_g3=yes],
719 [emacs_cv_prog_cc_g3=no])])
720 if test $emacs_cv_prog_cc_g3 != yes; then
721 CFLAGS=$emacs_save_CFLAGS
723 if test $opsys = mingw32; then
724 CFLAGS="$CFLAGS -gdwarf-2"
731 # No optimization flag was inferred for this non-GCC compiler.
732 # Try -O. This is needed for xlc on AIX; see Bug#14258.
733 emacs_save_CFLAGS=$CFLAGS
734 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
736 AC_CACHE_CHECK([whether $CC accepts -O],
737 [emacs_cv_prog_cc_o],
738 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
739 [emacs_cv_prog_cc_o=yes],
740 [emacs_cv_prog_cc_o=no])])
741 if test $emacs_cv_prog_cc_o != yes; then
742 CFLAGS=$emacs_save_CFLAGS
747 AC_ARG_ENABLE([gcc-warnings],
748 [AS_HELP_STRING([--enable-gcc-warnings],
749 [turn on lots of GCC warnings/errors. This is intended for
750 developers, and may generate false alarms when used
751 with older or non-GNU development tools.])],
754 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
756 gl_gcc_warnings=$enableval],
760 AC_ARG_ENABLE(link-time-optimization,
761 [AS_HELP_STRING([--enable-link-time-optimization],
762 [build emacs with link-time optimization.
763 This is supported only for GCC since 4.5.0.])],
764 if test "${enableval}" != "no"; then
765 AC_MSG_CHECKING([whether link-time optimization is supported])
767 if test x$GCC = xyes; then
768 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
769 if test x$CPUS != x; then
775 CFLAGS="$CFLAGS $LTO"
776 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
777 [ac_lto_supported=yes], [ac_lto_supported=no])
780 AC_MSG_RESULT([$ac_lto_supported])
781 if test "$ac_lto_supported" = "yes"; then
782 CFLAGS="$CFLAGS $LTO"
786 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
787 # ------------------------------------------------
788 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
789 # Otherwise, run RUN-IF-NOT-FOUND.
790 AC_DEFUN([gl_GCC_VERSION_IFELSE],
794 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
797 # error "your version of gcc is older than $1.$2"
804 # clang is unduly picky about some things.
805 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
812 [emacs_cv_clang=yes],
813 [emacs_cv_clang=no])])
815 # When compiling with GCC, prefer -isystem to -I when including system
816 # include files, to avoid generating useless diagnostics for the files.
817 if test "$gl_gcc_warnings" != yes; then
819 if test "$emacs_cv_clang" = yes
821 # Turn off some warnings if supported.
822 gl_WARN_ADD([-Wno-switch])
823 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
824 gl_WARN_ADD([-Wno-pointer-sign])
829 # This, $nw, is the list of warnings we disable.
832 case $with_x_toolkit in
833 lucid | athena | motif)
834 # Old toolkits mishandle 'const'.
835 nw="$nw -Wwrite-strings"
838 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
841 AC_SUBST([WERROR_CFLAGS])
843 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
844 nw="$nw -Woverlength-strings" # Not a problem these days
845 nw="$nw -Wlogical-op" # any use of fwrite provokes this
846 nw="$nw -Wformat-nonliteral" # we do this a lot
847 nw="$nw -Wvla" # warnings in gettext.h
848 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
849 nw="$nw -Wswitch-default" # Too many warnings for now
850 nw="$nw -Winline" # OK to ignore 'inline'
851 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
852 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
853 # signed overflow has undefined behavior
854 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
855 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
856 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
858 # Emacs doesn't care about shadowing; see
859 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
862 # Emacs's use of alloca inhibits protecting the stack.
863 nw="$nw -Wstack-protector"
865 # The following line should be removable at some point.
866 nw="$nw -Wsuggest-attribute=pure"
868 # This part is merely for shortening the command line,
869 # since -Wno-FOO needs to be added below regardless.
870 nw="$nw -Wmissing-field-initializers"
872 nw="$nw -Wtype-limits"
873 nw="$nw -Wunused-parameter"
875 if test $emacs_cv_clang = yes; then
876 nw="$nw -Wcast-align"
879 gl_MANYWARN_ALL_GCC([ws])
880 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
884 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
885 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
886 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
887 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
888 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
889 gl_WARN_ADD([-Wno-format-nonliteral])
891 # In spite of excluding -Wlogical-op above, it is enabled, as of
892 # gcc 4.5.0 20090517.
893 gl_WARN_ADD([-Wno-logical-op])
895 # More things that clang is unduly picky about.
896 if test $emacs_cv_clang = yes; then
897 gl_WARN_ADD([-Wno-format-extra-args])
898 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
899 gl_WARN_ADD([-Wno-unused-command-line-argument])
900 gl_WARN_ADD([-Wno-unused-value])
903 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
904 AH_VERBATIM([FORTIFY_SOURCE],
905 [/* Enable compile-time and run-time bounds-checking, and some warnings,
906 without upsetting glibc 2.15+. */
907 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
908 # define _FORTIFY_SOURCE 2
911 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
913 # We use a slightly smaller set of warning options for lib/.
914 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
916 nw="$nw -Wunused-macros"
918 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
919 AC_SUBST([GNULIB_WARN_CFLAGS])
924 dnl Some other nice autoconf tests.
925 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
928 dnl if test "x$RANLIB" = x; then
933 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
934 dnl can be made to directories. This is not relevant for our usage, and
935 dnl excludes some cases that work fine for us. Eg MS Windows or files
936 dnl hosted on AFS, both examples where simple links work, but links to
937 dnl directories fail. We use a cut-down version instead.
940 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
941 rm -f conf$$ conf$$.file
943 LN_S_FILEONLY='cp -p'
945 if (echo >conf$$.file) 2>/dev/null; then
946 if ln -s conf$$.file conf$$ 2>/dev/null; then
947 LN_S_FILEONLY='ln -s'
948 elif ln conf$$.file conf$$ 2>/dev/null; then
953 rm -f conf$$ conf$$.file
955 if test "$LN_S_FILEONLY" = "ln -s"; then
958 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
961 AC_SUBST(LN_S_FILEONLY)
964 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
965 dnl doesn't support links to directories, as in "ln file dir". But that
966 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
967 dnl executables at "make install" time.
968 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
969 dnl for more details.
970 if test "$opsys" = "mingw32"; then
974 AC_PATH_PROG(INSTALL_INFO, install-info, :,
975 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
976 dnl Don't use GZIP, which is used by gzip for additional parameters.
977 AC_PATH_PROG(GZIP_PROG, gzip)
979 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
980 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
982 if test $opsys = gnu-linux; then
983 AC_PATH_PROG(PAXCTL, paxctl,,
984 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
985 if test "X$PAXCTL" != X; then
986 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
987 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
988 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
989 else AC_MSG_RESULT(no); PAXCTL=""; fi])
993 ## Need makeinfo >= 4.7 (?) to build the manuals.
994 AC_PATH_PROG(MAKEINFO, makeinfo, no)
995 dnl By this stage, configure has already checked for egrep and set EGREP,
996 dnl or exited with an error if no egrep was found.
997 if test "$MAKEINFO" != "no"; then
999 $MAKEINFO --version 2> /dev/null |
1000 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1006 ## Makeinfo is unusual. For a released Emacs, the manuals are
1007 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1008 ## therefore in the category of "special tools" not normally required, which
1009 ## configure does not have to check for (eg autoconf itself).
1010 ## In a Bazaar checkout on the other hand, the manuals are not included.
1011 ## So makeinfo is a requirement to build from Bazaar, and configure
1012 ## should test for it as it does for any other build requirement.
1013 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1014 ## with pre-built manuals, from a Bazaar checkout.
1017 if test "$MAKEINFO" = "no"; then
1019 if test "x${with_makeinfo}" = "xno"; then
1021 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1022 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1023 source tree does not seem to have pre-built manuals in the `info' directory.
1024 Either install a suitable version of makeinfo, or re-run configure
1025 with the `--without-makeinfo' option to build without the manuals.] )
1028 AC_SUBST(HAVE_MAKEINFO)
1030 dnl Just so that there is only a single place we need to edit.
1032 INFO_OPTS=--no-split
1036 if test $opsys = mingw32; then
1037 DOCMISC_W32=efaq-w32
1041 AC_SUBST(DOCMISC_W32)
1043 dnl Add our options to ac_link now, after it is set up.
1045 if test x$GCC = xyes; then
1046 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1047 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1049 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1050 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1053 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1054 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1055 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1056 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1057 dnl if not built to support GNU ld.
1059 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1060 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1061 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1062 dnl Eg "make LDFLAGS=... all" could run into problems,
1063 dnl http://bugs.debian.org/684788
1064 dnl * unnecessary, since temacs is the only thing that actually needs it.
1065 dnl Indeed this is where it was originally, prior to:
1066 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1067 late_LDFLAGS="$LDFLAGS"
1068 if test x$GCC = xyes; then
1069 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1071 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1074 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1076 AC_MSG_CHECKING([for -znocombreloc])
1077 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1078 [AC_MSG_RESULT(yes)],
1079 LDFLAGS_NOCOMBRELOC=
1080 [AC_MSG_RESULT(no)])
1082 LDFLAGS="$late_LDFLAGS"
1084 AC_CACHE_CHECK([whether addresses are sanitized],
1085 [emacs_cv_sanitize_address],
1088 [[#ifndef __has_feature
1089 #define __has_feature(f) 0
1091 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1093 #error "Addresses are not sanitized."
1096 [emacs_cv_sanitize_address=yes],
1097 [emacs_cv_sanitize_address=no])])
1099 dnl The function dump-emacs will not be defined and temacs will do
1100 dnl (load "loadup") automatically unless told otherwise.
1101 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1103 your-opsys-here) CANNOT_DUMP=yes ;;
1106 if test "$CANNOT_DUMP" = "yes"; then
1107 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1108 elif test "$emacs_cv_sanitize_address" = yes; then
1109 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1112 AC_SUBST(CANNOT_DUMP)
1115 UNEXEC_OBJ=unexelf.o
1117 # MSDOS uses unexcoff.o
1119 UNEXEC_OBJ=unexaix.o
1125 UNEXEC_OBJ=unexmacosx.o
1128 UNEXEC_OBJ=unexhp9k800.o
1131 UNEXEC_OBJ=unexw32.o
1134 # Use the Solaris dldump() function, called from unexsol.c, to dump
1135 # emacs, instead of the generic ELF dump code found in unexelf.c.
1136 # The resulting binary has a complete symbol table, and is better
1137 # for debugging and other observability tools (debuggers, pstack, etc).
1139 # If you encounter a problem using dldump(), please consider sending
1140 # a message to the OpenSolaris tools-linking mailing list:
1141 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1143 # It is likely that dldump() works with older Solaris too, but this has
1144 # not been tested, so for now this change is for Solaris 10 or newer.
1145 UNEXEC_OBJ=unexsol.o
1152 ## Let `ld' find image libs and similar things in /usr/local/lib.
1153 ## The system compiler, GCC, has apparently been modified to not
1154 ## look there, contrary to what a stock GCC would do.
1155 ### It's not our place to do this. See bug#10313#17.
1156 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1161 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1162 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1166 ### It's not our place to do this. See bug#10313#17.
1167 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1172 ## Han Boetes <han@boetes.org> says this is necessary,
1173 ## otherwise Emacs dumps core on elf systems.
1174 LD_SWITCH_SYSTEM="-Z"
1177 AC_SUBST(LD_SWITCH_SYSTEM)
1179 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1181 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1182 ## which has not been defined yet. When this was handled with cpp,
1183 ## it was expanded to null when configure sourced the s/*.h file.
1184 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1185 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1186 ## (or somesuch), but because it is supposed to go at the _front_
1187 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1188 ## Compare with the gnu-linux case below, which added to the end
1189 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1190 ## LD_SWITCH_SYSTEM_TEMACS.
1193 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1200 AC_CHECK_DECL([__ELF__])
1201 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1202 ## With ELF, make sure that all common symbols get allocated to in the
1203 ## data section. Otherwise, the dump of temacs may miss variables in
1204 ## the shared library that have been initialized. For example, with
1205 ## GNU libc, __malloc_initialized would normally be resolved to the
1206 ## shared library's .bss section, which is fatal.
1207 if test "x$GCC" = "xyes"; then
1208 C_SWITCH_MACHINE="-fno-common"
1210 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1213 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1214 dnl albeit under the mistaken assumption that said file
1215 dnl was no longer used.
1216 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1220 AC_SUBST(C_SWITCH_MACHINE)
1222 AC_SUBST(UNEXEC_OBJ)
1225 ## Some programs in src produce warnings saying certain subprograms
1226 ## are too complex and need a MAXMEM value greater than 2000 for
1227 ## additional optimization. --nils@exp-math.uni-essen.de
1228 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1229 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1230 if test "$opsys" = "mingw32"; then
1231 case "$canonical" in
1232 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1233 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1236 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1237 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1238 AC_SUBST(C_SWITCH_SYSTEM)
1243 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1244 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1246 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1248 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1250 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1252 ## Motif needs -lgen.
1253 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1256 AC_SUBST(LIBS_SYSTEM)
1258 ### Make sure subsequent tests use flags consistent with the build flags.
1260 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1261 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1263 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1266 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1267 AC_DEFUN([AC_TYPE_SIZE_T])
1268 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1269 AC_DEFUN([AC_TYPE_UID_T])
1273 dnl Current possibilities handled by sed (aix4-2 -> aix,
1274 dnl gnu-linux -> gnu/linux, etc.):
1275 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1276 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1277 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1284 ## Adding -lm confuses the dynamic linker, so omit it.
1287 freebsd | dragonfly )
1288 SYSTEM_TYPE=berkeley-unix
1290 gnu-linux | gnu-kfreebsd )
1292 hpux10-20 | hpux11 )
1296 SYSTEM_TYPE=windows-nt
1298 dnl NB this may be adjusted below.
1300 SYSTEM_TYPE=berkeley-unix
1304 SYSTEM_TYPE=usg-unix-v
1310 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1311 [The type of system you are compiling for; sets `system-type'.])
1314 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1315 pre_PKG_CONFIG_LIBS=$LIBS
1317 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1319 dnl This function definition taken from Gnome 2.0
1320 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1321 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1322 dnl also defines GSTUFF_PKG_ERRORS on error
1323 AC_DEFUN([PKG_CHECK_MODULES], [
1326 if test "$PKG_CONFIG" = "no" ; then
1327 ifelse([$4], , [AC_MSG_ERROR([
1328 *** The pkg-config script could not be found. Make sure it is in your path, or give the full name of pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog. Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1330 PKG_CONFIG_MIN_VERSION=0.9.0
1331 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1332 AC_MSG_CHECKING(for $2)
1334 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1335 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1336 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1343 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1344 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1345 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1351 ## If we have a custom action on failure, don't print errors, but
1352 ## do set a variable so people can do so. Do it in a subshell
1353 ## to capture any diagnostics in invoking pkg-config.
1354 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1355 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1361 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1362 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1366 if test $succeeded = yes; then
1367 ifelse([$3], , :, [$3])
1369 ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1374 if test "${with_sound}" != "no"; then
1375 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1376 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1377 have_sound_header=yes, [], [
1379 #define WIN32_LEAN_AND_MEAN
1380 #include <windows.h>
1383 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1384 AC_MSG_ERROR([OSS sound support requested but not found.])
1386 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1387 # Emulation library used on NetBSD.
1388 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1389 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1390 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1391 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1392 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1396 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1398 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1399 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1400 if test $HAVE_ALSA = yes; then
1401 SAVE_CFLAGS="$CFLAGS"
1403 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1404 LIBS="$ALSA_LIBS $LIBS"
1405 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1406 emacs_alsa_normal=yes,
1407 emacs_alsa_normal=no)
1408 if test "$emacs_alsa_normal" != yes; then
1409 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1410 [[snd_lib_error_set_handler (0);]])],
1411 emacs_alsa_subdir=yes,
1412 emacs_alsa_subdir=no)
1413 if test "$emacs_alsa_subdir" != yes; then
1414 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1416 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1419 CFLAGS="$SAVE_CFLAGS"
1421 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1422 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1423 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1424 elif test "${with_sound}" = "alsa"; then
1425 AC_MSG_ERROR([ALSA sound support requested but not found.])
1427 fi dnl with_sound = alsa|yes
1429 dnl Define HAVE_SOUND if we have sound support. We know it works and
1430 dnl compiles only on the specified platforms. For others, it
1431 dnl probably doesn't make sense to try.
1432 dnl FIXME So surely we should bypass this whole section if not using
1433 dnl one of these platforms?
1434 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1436 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1437 dnl Adjust the --with-sound help text if you change this.
1438 gnu-linux|freebsd|netbsd|mingw32)
1439 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1445 AC_SUBST(CFLAGS_SOUND)
1448 dnl checks for header files
1449 AC_CHECK_HEADERS_ONCE(
1453 sys/utsname.h pwd.h utmp.h util.h)
1455 AC_MSG_CHECKING(if personality LINUX32 can be set)
1456 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1457 emacs_cv_personality_linux32=yes,
1458 emacs_cv_personality_linux32=no)
1459 AC_MSG_RESULT($emacs_cv_personality_linux32)
1461 if test $emacs_cv_personality_linux32 = yes; then
1462 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1463 [Define to 1 if personality LINUX32 can be set.])
1466 dnl On Solaris 8 there's a compilation warning for term.h because
1467 dnl it doesn't define `bool'.
1468 AC_CHECK_HEADERS(term.h, , , -)
1470 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1472 if test $ac_cv_have_decl_sys_siglist != yes; then
1473 # For Tru64, at least:
1474 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1479 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1480 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1481 #if HAVE_SYS_SOCKET_H
1482 #include <sys/socket.h>
1484 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1485 #if HAVE_SYS_SOCKET_H
1486 #include <sys/socket.h>
1488 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1489 #if HAVE_SYS_SOCKET_H
1490 #include <sys/socket.h>
1493 dnl checks for structure members
1494 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1495 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1496 struct ifreq.ifr_addr,
1497 struct ifreq.ifr_addr.sa_len], , ,
1498 [AC_INCLUDES_DEFAULT
1499 #if HAVE_SYS_SOCKET_H
1500 #include <sys/socket.h>
1506 dnl Check for endianness.
1507 dnl AC_C_BIGENDIAN is done by gnulib.
1509 dnl check for Make feature
1510 dnl AC_PROG_MAKE_SET is done by Automake.
1515 dnl check for GNU Make if we have GCC and autodepend is on.
1516 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1517 AC_MSG_CHECKING([whether we are using GNU Make])
1519 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1520 if test "x$testval" != x; then
1523 ac_enable_autodepend=no
1525 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1526 if test $HAVE_GNU_MAKE = yes; then
1527 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1528 SAVE_CFLAGS="$CFLAGS"
1529 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1530 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1531 CFLAGS="$SAVE_CFLAGS"
1532 test -f deps.d || ac_enable_autodepend=no
1534 AC_MSG_RESULT([$ac_enable_autodepend])
1536 if test $ac_enable_autodepend = yes; then
1537 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1538 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1539 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1540 deps_frag=autodeps.mk
1543 deps_frag=$srcdir/src/$deps_frag
1546 AC_SUBST_FILE(deps_frag)
1549 lisp_frag=$srcdir/src/lisp.mk
1550 AC_SUBST_FILE(lisp_frag)
1553 dnl checks for operating system services
1554 AC_SYS_LONG_FILE_NAMES
1556 #### Choose a window system.
1558 ## We leave window_system equal to none if
1559 ## we end up building without one. Any new window system should
1560 ## set window_system to an appropriate value and add objects to
1561 ## window-system-specific substs.
1565 if test "$no_x" != yes; then
1569 LD_SWITCH_X_SITE_RPATH=
1570 if test "${x_libraries}" != NONE; then
1571 if test -n "${x_libraries}"; then
1572 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1573 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1575 x_default_search_path=""
1576 x_search_path=${x_libraries}
1577 if test -z "${x_search_path}"; then
1578 x_search_path=/usr/lib
1580 for x_library in `echo ${x_search_path}: | \
1581 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1583 ${x_library}/X11/%L/%T/%N%C%S:\
1584 ${x_library}/X11/%l/%T/%N%C%S:\
1585 ${x_library}/X11/%T/%N%C%S:\
1586 ${x_library}/X11/%L/%T/%N%S:\
1587 ${x_library}/X11/%l/%T/%N%S:\
1588 ${x_library}/X11/%T/%N%S"
1589 if test x"${x_default_search_path}" = x; then
1590 x_default_search_path=${x_search_path}
1592 x_default_search_path="${x_search_path}:${x_default_search_path}"
1596 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1598 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1599 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1602 if test x"${x_includes}" = x; then
1603 bitmapdir=/usr/include/X11/bitmaps
1605 # accumulate include directories that have X11 bitmap subdirectories
1607 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1608 if test -d "${bmd}/X11/bitmaps"; then
1609 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1611 if test -d "${bmd}/bitmaps"; then
1612 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1615 if test ${bmd_acc} != "dummyval"; then
1616 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1623 tmp_CPPFLAGS="$CPPFLAGS"
1624 tmp_CFLAGS="$CFLAGS"
1625 CPPFLAGS="$CPPFLAGS -x objective-c"
1626 CFLAGS="$CFLAGS -x objective-c"
1629 if test "${with_ns}" != no; then
1630 if test "${opsys}" = darwin; then
1632 ns_appdir=`pwd`/nextstep/Emacs.app
1633 ns_appbindir=${ns_appdir}/Contents/MacOS
1634 ns_appresdir=${ns_appdir}/Contents/Resources
1635 ns_appsrc=Cocoa/Emacs.base
1636 elif test -f $GNUSTEP_CONFIG_FILE; then
1638 ns_appdir=`pwd`/nextstep/Emacs.app
1639 ns_appbindir=${ns_appdir}
1640 ns_appresdir=${ns_appdir}/Resources
1641 ns_appsrc=GNUstep/Emacs.base
1642 dnl FIXME sourcing this several times in subshells seems inefficient.
1643 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1644 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1645 dnl I seemed to need these as well with GNUstep-startup 0.25.
1646 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1647 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1648 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1649 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1650 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1651 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1652 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1653 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1654 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1655 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1656 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1657 dnl If they had chosen to either define it or not, we could have
1658 dnl just used AC_CHECK_DECL here.
1659 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1660 emacs_cv_objc_exceptions,
1661 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1662 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1666 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1667 if test $emacs_cv_objc_exceptions = yes; then
1668 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1669 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1670 [Define if GNUstep uses ObjC exceptions.])
1671 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1675 dnl This is only used while we test the NS headers, it gets reset below.
1676 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1678 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1679 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1680 files are missing or cannot be compiled.])])
1683 if test "${NS_IMPL_COCOA}" = "yes"; then
1684 AC_MSG_CHECKING([for OSX 10.4 or newer])
1685 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1687 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1688 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1691 #error "OSX 10.4 or newer required"
1695 ns_osx_have_104=yes,
1697 AC_MSG_RESULT([$ns_osx_have_104])
1699 if test $ns_osx_have_104 = no; then
1700 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1702 AC_MSG_CHECKING([for OSX 10.5 or newer])
1703 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1705 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1706 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1709 #error "OSX 10.5 not found"
1713 ns_osx_have_105=yes,
1715 AC_MSG_RESULT([$ns_osx_have_105])
1716 if test $ns_osx_have_105 = yes; then
1717 macfont_file="macfont.o"
1720 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1722 ns_have_nsinteger=yes,
1723 ns_have_nsinteger=no)
1724 if test $ns_have_nsinteger = yes; then
1725 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1729 AC_SUBST(LIBS_GNUSTEP)
1731 INSTALL_ARCH_INDEP_EXTRA=install-etc
1732 ns_self_contained=no
1735 if test "${HAVE_NS}" = yes; then
1736 if test "$with_toolkit_scroll_bars" = "no"; then
1737 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1740 window_system=nextstep
1741 # set up packaging dirs
1742 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1743 ns_self_contained=yes
1744 prefix=${ns_appresdir}
1745 exec_prefix=${ns_appbindir}
1746 dnl This one isn't really used, only archlibdir is.
1747 libexecdir="\${ns_appbindir}/libexec"
1748 archlibdir="\${ns_appbindir}/libexec"
1749 etcdocdir="\${ns_appresdir}/etc"
1750 etcdir="\${ns_appresdir}/etc"
1751 dnl FIXME maybe set datarootdir instead.
1752 dnl That would also get applications, icons, man.
1753 infodir="\${ns_appresdir}/info"
1754 mandir="\${ns_appresdir}/man"
1755 lispdir="\${ns_appresdir}/lisp"
1756 INSTALL_ARCH_INDEP_EXTRA=
1759 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1761 CFLAGS="$tmp_CFLAGS"
1762 CPPFLAGS="$tmp_CPPFLAGS"
1763 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1764 AC_SUBST(ns_self_contained)
1766 AC_SUBST(NS_OBJC_OBJ)
1777 if test "${with_w32}" != no; then
1780 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1781 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1782 cannot be found.])])
1785 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1788 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1793 if test "${opsys}" = "mingw32"; then
1794 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1795 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1796 #include <windows.h>
1797 #include <usp10.h>]],
1798 [[PIMAGE_NT_HEADERS pHeader;
1799 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1800 [emacs_cv_w32api=yes
1803 AC_MSG_RESULT($emacs_cv_w32api)
1804 if test "${emacs_cv_w32api}" = "no"; then
1805 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1816 if test "${HAVE_W32}" = "yes"; then
1817 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1818 AC_CHECK_TOOL(WINDRES, [windres],
1819 [AC_MSG_ERROR([No resource compiler found.])])
1820 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1821 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1822 EMACSRES="emacs.res"
1823 case "$canonical" in
1824 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1825 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1827 UPDATE_MANIFEST=update-game-score.exe.manifest
1828 if test "${opsys}" = "cygwin"; then
1829 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1830 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1831 # Tell the linker that emacs.res is an object (which we compile from
1832 # the rc file), not a linker script.
1833 W32_RES_LINK="-Wl,emacs.res"
1835 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1836 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1837 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1838 W32_RES_LINK="\$(EMACSRES)"
1839 CLIENTRES="emacsclient.res"
1840 CLIENTW="emacsclientw\$(EXEEXT)"
1841 FIRSTFILE_OBJ=firstfile.o
1844 LIBS_ECLIENT="-lcomctl32"
1845 LIB_WSOCK32="-lwsock32"
1846 NTLIB="ntlib.$ac_objext"
1847 XARGS_LIMIT="-s 10000"
1853 AC_SUBST(EMACS_MANIFEST)
1854 AC_SUBST(UPDATE_MANIFEST)
1857 AC_SUBST(W32_RES_LINK)
1858 AC_SUBST(FIRSTFILE_OBJ)
1861 AC_SUBST(LIBS_ECLIENT)
1862 AC_SUBST(LIB_WSOCK32)
1864 AC_SUBST(XARGS_LIMIT)
1866 if test "${HAVE_W32}" = "yes"; then
1871 ## $window_system is now set to the window system we will
1874 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1875 # Too many warnings for now.
1877 nw="$nw -Wsuggest-attribute=const"
1878 nw="$nw -Wsuggest-attribute=noreturn"
1879 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1881 gl_WARN_ADD([-Wno-unused-variable])
1882 gl_WARN_ADD([-Wno-unused-but-set-variable])
1883 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1891 case "${window_system}" in
1896 case "${with_x_toolkit}" in
1897 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1898 motif ) USE_X_TOOLKIT=MOTIF ;;
1900 term_header=gtkutil.h
1901 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1902 dnl USE_X_TOOLKIT is set.
1903 USE_X_TOOLKIT=none ;;
1904 gtk2 ) with_gtk2=yes
1905 term_header=gtkutil.h
1906 USE_X_TOOLKIT=none ;;
1907 gtk3 ) with_gtk3=yes
1908 term_header=gtkutil.h
1909 USE_X_TOOLKIT=none ;;
1910 no ) USE_X_TOOLKIT=none ;;
1911 dnl If user did not say whether to use a toolkit, make this decision later:
1912 dnl use the toolkit if we have gtk, or X11R5 or newer.
1913 * ) USE_X_TOOLKIT=maybe ;;
1917 term_header=nsterm.h
1920 term_header=w32term.h
1924 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1925 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1926 if test "$HAVE_XSERVER" = true ||
1927 test -n "$DISPLAY" ||
1928 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1929 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1930 were found. You should install the relevant development files for X
1931 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1932 sure you have development files for image handling, i.e.
1933 tiff, gif, jpeg, png and xpm.
1934 If you are sure you want Emacs compiled without X window support, pass
1940 # Does the opsystem file prohibit the use of the GNU malloc?
1941 # Assume not, until told otherwise.
1945 [whether malloc is Doug Lea style],
1946 [emacs_cv_var_doug_lea_malloc],
1947 [emacs_cv_var_doug_lea_malloc=no
1948 dnl Hooks do not work with address sanitization.
1949 if test "$emacs_cv_sanitize_address" != yes; then
1952 [[#include <malloc.h>
1953 static void hook (void) {}]],
1954 [[malloc_set_state (malloc_get_state ());
1955 __after_morecore_hook = hook;
1956 __malloc_initialize_hook = hook;]])],
1957 [emacs_cv_var_doug_lea_malloc=yes])])
1959 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1961 system_malloc=$emacs_cv_sanitize_address
1963 ## darwin ld insists on the use of malloc routines in the System framework.
1964 darwin|sol2-10) system_malloc=yes ;;
1968 if test "${system_malloc}" = "yes"; then
1969 AC_DEFINE([SYSTEM_MALLOC], 1,
1970 [Define to 1 to use the system memory allocator, even if it is not
1974 (The GNU allocators don't work with this system configuration.)"
1977 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1978 VMLIMIT_OBJ=vm-limit.o
1980 AC_CHECK_HEADERS([sys/vlimit.h])
1981 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1984 [[extern char data_start[]; char ch;]],
1985 [[return data_start < &ch;]])],
1986 [emacs_cv_data_start=yes],
1987 [emacs_cv_data_start=no])])
1988 if test $emacs_cv_data_start = yes; then
1989 AC_DEFINE([HAVE_DATA_START], 1,
1990 [Define to 1 if data_start is the address of the start
1991 of the main data segment.])
1994 AC_SUBST(GMALLOC_OBJ)
1995 AC_SUBST(VMLIMIT_OBJ)
1997 if test "$doug_lea_malloc" = "yes" ; then
1998 if test "$GNU_MALLOC" = yes ; then
2000 (Using Doug Lea's new malloc from the GNU C Library.)"
2002 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2003 [Define to 1 if the system memory allocator is Doug Lea style,
2004 with malloc hooks and malloc_set_state.])
2006 ## Use mmap directly for allocating larger buffers.
2007 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2008 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2009 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2011 gnu*) REL_ALLOC=no ;;
2015 if test x"${REL_ALLOC}" = x; then
2016 REL_ALLOC=${GNU_MALLOC}
2019 use_mmap_for_buffers=no
2021 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2025 if test $use_mmap_for_buffers = yes; then
2026 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2030 LIBS="$LIBS_SYSTEM $LIBS"
2032 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
2033 AC_CHECK_LIB(dnet, dnet_ntoa)
2034 dnl This causes -lresolv to get used in subsequent tests,
2035 dnl which causes failures on some systems such as HPUX 9.
2036 dnl AC_CHECK_LIB(resolv, gethostbyname)
2038 dnl FIXME replace main with a function we actually want from this library.
2039 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2041 dnl Check if pthreads is available.
2043 AC_CHECK_HEADERS_ONCE(pthread.h)
2044 if test "$ac_cv_header_pthread_h"; then
2045 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2046 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2047 dnl testing for pthread_self if Emacs uses gmalloc.c.
2048 if test "$GMALLOC_OBJ" = gmalloc.o; then
2049 emacs_pthread_function=pthread_atfork
2051 emacs_pthread_function=pthread_self
2053 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
2055 if test "$HAVE_PTHREAD" = yes; then
2056 case "${canonical}" in
2058 *) LIB_PTHREAD="-lpthread"
2059 LIBS="$LIB_PTHREAD $LIBS" ;;
2061 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
2063 AC_SUBST([LIB_PTHREAD])
2065 AC_CHECK_LIB(pthreads, cma_open)
2067 ## Note: when using cpp in s/aix4.2.h, this definition depended on
2068 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
2069 ## the system file was sourced. Hence the value of LIBS_SYSTEM
2070 ## added to LIBS in configure would never contain the pthreads part,
2071 ## but the value used in Makefiles might. FIXME?
2073 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
2074 ## be harmless on older versions of X where it happens to exist.
2075 test "$opsys" = "aix4-2" && \
2076 test $ac_cv_lib_pthreads_cma_open = yes && \
2077 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2079 dnl Check for need for bigtoc support on IBM AIX
2083 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2085 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2086 *) gdb_cv_bigtoc=-bbigtoc ;;
2089 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2090 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2095 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2096 # used for the tests that follow. We set them back to REAL_CFLAGS and
2097 # REAL_CPPFLAGS later on.
2099 REAL_CFLAGS="$CFLAGS"
2100 REAL_CPPFLAGS="$CPPFLAGS"
2102 if test "${HAVE_X11}" = "yes"; then
2103 DEFS="$C_SWITCH_X_SITE $DEFS"
2104 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2106 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2107 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2109 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2110 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2111 # but it's more convenient here to set LD_RUN_PATH since this
2112 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2113 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2114 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2118 if test "${opsys}" = "gnu-linux"; then
2119 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2120 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2121 [[XOpenDisplay ("foo");]])],
2122 [xgnu_linux_first_failure=no],
2123 [xgnu_linux_first_failure=yes])
2124 if test "${xgnu_linux_first_failure}" = "yes"; then
2125 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2126 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2127 OLD_CPPFLAGS="$CPPFLAGS"
2129 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2130 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2131 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2132 LIBS="$LIBS -b i486-linuxaout"
2133 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2134 [[XOpenDisplay ("foo");]])],
2135 [xgnu_linux_second_failure=no],
2136 [xgnu_linux_second_failure=yes])
2137 if test "${xgnu_linux_second_failure}" = "yes"; then
2138 # If we get the same failure with -b, there is no use adding -b.
2139 # So take it out. This plays safe.
2140 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2141 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2142 CPPFLAGS="$OLD_CPPFLAGS"
2153 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2154 # header files included from there.
2155 AC_MSG_CHECKING(for Xkb)
2156 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2157 #include <X11/XKBlib.h>]],
2158 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2159 emacs_xkb=yes, emacs_xkb=no)
2160 AC_MSG_RESULT($emacs_xkb)
2161 if test $emacs_xkb = yes; then
2162 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2165 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2166 XScreenNumberOfScreen)
2169 if test "${window_system}" = "x11"; then
2170 AC_MSG_CHECKING(X11 version 6)
2171 AC_CACHE_VAL(emacs_cv_x11_version_6,
2172 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2173 [[#if XlibSpecificationRelease < 6
2176 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2177 if test $emacs_cv_x11_version_6 = yes; then
2178 AC_MSG_RESULT(6 or newer)
2179 AC_DEFINE(HAVE_X11R6, 1,
2180 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2181 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2182 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2186 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2187 [Define if you have usable X11R6-style XIM support.])
2191 AC_MSG_RESULT(before 6)
2196 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2198 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2199 if test "${with_rsvg}" != "no"; then
2200 RSVG_REQUIRED=2.11.0
2201 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2203 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2204 AC_SUBST(RSVG_CFLAGS)
2207 if test $HAVE_RSVG = yes; then
2208 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2209 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2210 # Windows loads librsvg dynamically
2211 if test "${opsys}" = "mingw32"; then
2214 LIBS="$RSVG_LIBS $LIBS"
2220 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
2221 if test "${with_imagemagick}" != "no"; then
2222 ## 6.2.8 is the earliest version known to work, but earlier versions
2223 ## might work - let us know if you find one.
2224 ## 6.0.7 does not work. See bug#7955.
2225 ## 6.8.2 makes Emacs crash; see Bug#13867.
2226 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2227 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2228 AC_SUBST(IMAGEMAGICK_CFLAGS)
2229 AC_SUBST(IMAGEMAGICK_LIBS)
2231 if test $HAVE_IMAGEMAGICK = yes; then
2232 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2233 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2234 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2235 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2243 gtk_term_header=$term_header
2246 if test "${opsys}" != "mingw32"; then
2247 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2250 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2252 dnl Checks for libraries.
2253 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2254 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2255 AC_MSG_ERROR($GTK_PKG_ERRORS)
2257 if test "$pkg_check_gtk" = "yes"; then
2258 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2259 GTK_OBJ=emacsgtkfixed.o
2260 gtk_term_header=gtkutil.h
2261 USE_GTK_TOOLKIT="GTK3"
2262 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2263 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2264 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2265 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2266 [Define to 1 to disable Glib deprecation warnings.])
2270 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2274 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2277 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2279 dnl Checks for libraries.
2280 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2281 if test "$pkg_check_gtk" = "no" &&
2282 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2284 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2286 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2290 if test x"$pkg_check_gtk" = xyes; then
2293 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2294 CFLAGS="$CFLAGS $GTK_CFLAGS"
2295 LIBS="$GTK_LIBS $LIBS"
2296 dnl Try to compile a simple GTK program.
2297 AC_MSG_CHECKING([whether GTK compiles])
2301 [[/* Check the Gtk and Glib APIs. */
2302 #include <gtk/gtk.h>
2303 #include <glib-object.h>
2305 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2309 GtkSettings *gs = 0;
2310 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2311 strict C prohibits this. Use gtk_main_iteration to test that the
2312 libraries are there. */
2313 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2314 0, 0, 0, G_CALLBACK (callback), 0))
2315 gtk_main_iteration ();
2318 AC_MSG_RESULT([$GTK_COMPILES])
2319 if test "${GTK_COMPILES}" != "yes"; then
2321 if test "$USE_X_TOOLKIT" != "maybe"; then
2322 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2326 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2327 GTK_OBJ="gtkutil.o $GTK_OBJ"
2328 term_header=$gtk_term_header
2330 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2333 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2334 closing open displays. This is no problem if you just use
2335 one display, but if you use more than one and close one of them
2345 if test "${HAVE_GTK}" = "yes"; then
2347 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2348 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2349 if test "$with_toolkit_scroll_bars" != no; then
2350 with_toolkit_scroll_bars=yes
2353 dnl Check if we have the old file selection dialog declared and
2354 dnl in the link library. In 2.x it may be in the library,
2355 dnl but not declared if deprecated featured has been selected out.
2356 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2357 HAVE_GTK_FILE_SELECTION=no
2358 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2359 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2360 #include <gtk/gtk.h>])
2361 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2362 AC_CHECK_FUNCS(gtk_file_selection_new)
2365 dnl Same as above for gtk_handle_box.
2366 HAVE_GTK_HANDLE_BOX=no
2367 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2368 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2369 #include <gtk/gtk.h>])
2370 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2371 AC_CHECK_FUNCS(gtk_handle_box_new)
2374 dnl Same as above for gtk_tearoff_menu_item.
2375 HAVE_GTK_TEAROFF_MENU_ITEM=no
2376 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2377 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2378 #include <gtk/gtk.h>])
2379 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2380 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2383 dnl Check for functions introduced in 2.14 and later.
2384 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2385 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2386 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2387 gtk_orientable_set_orientation \
2388 gtk_window_set_has_resize_grip)
2390 term_header=gtkutil.h
2393 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2394 dnl other platforms.
2397 if test "${with_dbus}" = "yes"; then
2398 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2399 if test "$HAVE_DBUS" = yes; then
2400 LIBS="$LIBS $DBUS_LIBS"
2401 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2402 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2403 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2405 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2406 dbus_type_is_valid \
2407 dbus_validate_bus_name \
2408 dbus_validate_path \
2409 dbus_validate_interface \
2410 dbus_validate_member)
2416 dnl GSettings has been tested under GNU/Linux only.
2418 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2419 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2420 if test "$HAVE_GSETTINGS" = "yes"; then
2421 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2422 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2423 SETTINGS_LIBS="$GSETTINGS_LIBS"
2427 dnl GConf has been tested under GNU/Linux only.
2428 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2430 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2431 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2432 if test "$HAVE_GCONF" = yes; then
2433 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2434 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2435 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2436 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2440 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2441 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2442 if test "$HAVE_GOBJECT" = "yes"; then
2443 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2444 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2446 SAVE_CFLAGS="$CFLAGS"
2448 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2449 LIBS="$SETTINGS_LIBS $LIBS"
2450 CFLAGS="$SAVE_CFLAGS"
2453 AC_SUBST(SETTINGS_CFLAGS)
2454 AC_SUBST(SETTINGS_LIBS)
2457 dnl SELinux is available for GNU/Linux only.
2460 if test "${with_selinux}" = "yes"; then
2461 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2462 if test "$HAVE_LIBSELINUX" = yes; then
2463 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2464 LIBSELINUX_LIBS=-lselinux
2467 AC_SUBST(LIBSELINUX_LIBS)
2471 if test "${with_gnutls}" = "yes" ; then
2472 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2473 if test "${HAVE_GNUTLS3}" = "yes"; then
2474 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2477 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2479 if test "${HAVE_GNUTLS}" = "yes"; then
2480 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2483 # Windows loads GnuTLS dynamically
2484 if test "${opsys}" = "mingw32"; then
2487 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2488 LIBS="$LIBGNUTLS_LIBS $LIBS"
2492 AC_SUBST(LIBGNUTLS_LIBS)
2493 AC_SUBST(LIBGNUTLS_CFLAGS)
2498 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2499 dnl a particular library. This doesn't make much sense?
2500 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2501 with_file_notification=no
2504 dnl MS Windows native file monitor is available for mingw32 only.
2505 case $with_file_notification,$opsys in
2506 w32,* | yes,mingw32)
2507 AC_CHECK_HEADER(windows.h)
2508 if test "$ac_cv_header_windows_h" = yes ; then
2509 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2510 NOTIFY_OBJ=w32notify.o
2511 NOTIFY_SUMMARY="yes (w32)"
2515 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2516 dnl has been added in glib 2.24. It has been tested under
2517 dnl GNU/Linux only. We take precedence over inotify, but this makes
2518 dnl only sense when glib has been compiled with inotify support. How
2520 case $with_file_notification,$NOTIFY_OBJ in
2522 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2523 if test "$HAVE_GFILENOTIFY" = "yes"; then
2524 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2525 NOTIFY_OBJ=gfilenotify.o
2526 NOTIFY_SUMMARY="yes -lgio (gfile)"
2530 dnl inotify is only available on GNU/Linux.
2531 case $with_file_notification,$NOTIFY_OBJ in
2533 AC_CHECK_HEADER(sys/inotify.h)
2534 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2535 AC_CHECK_FUNC(inotify_init1)
2536 if test "$ac_cv_func_inotify_init1" = yes; then
2537 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2538 NOTIFY_OBJ=inotify.o
2539 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2544 case $with_file_notification,$NOTIFY_OBJ in
2545 yes,* | no,* | *,?*) ;;
2546 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2549 if test -n "$NOTIFY_OBJ"; then
2550 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2552 AC_SUBST(NOTIFY_OBJ)
2553 AC_SUBST(GFILENOTIFY_CFLAGS)
2554 AC_SUBST(GFILENOTIFY_LIBS)
2556 dnl Do not put whitespace before the #include statements below.
2557 dnl Older compilers (eg sunos4 cc) choke on it.
2560 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2561 if test "$with_xaw3d" != no; then
2562 AC_CACHE_VAL(emacs_cv_xaw3d,
2563 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2564 #include <X11/Intrinsic.h>
2565 #include <X11/Xaw3d/Simple.h>]],
2567 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2568 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2569 emacs_cv_xaw3d=no)])
2573 if test $emacs_cv_xaw3d = yes; then
2574 AC_MSG_CHECKING(for xaw3d)
2575 AC_MSG_RESULT([yes; using Lucid toolkit])
2579 AC_DEFINE(HAVE_XAW3D, 1,
2580 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2582 AC_MSG_CHECKING(for xaw3d)
2584 AC_MSG_CHECKING(for libXaw)
2585 AC_CACHE_VAL(emacs_cv_xaw,
2586 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2587 #include <X11/Intrinsic.h>
2588 #include <X11/Xaw/Simple.h>]],
2592 if test $emacs_cv_xaw = yes; then
2593 AC_MSG_RESULT([yes; using Lucid toolkit])
2596 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2597 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2599 AC_MSG_ERROR([No X toolkit could be found.
2600 If you are sure you want Emacs compiled without an X toolkit, pass
2602 to configure. Otherwise, install the development libraries for the toolkit
2603 that you want to use (e.g. Gtk+) and re-run configure.])
2608 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2611 if test "${USE_X_TOOLKIT}" != "none"; then
2612 AC_MSG_CHECKING(X11 toolkit version)
2613 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2614 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2615 [[#if XtSpecificationRelease < 6
2618 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2619 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2620 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2621 AC_MSG_RESULT(6 or newer)
2622 AC_DEFINE(HAVE_X11XTR6, 1,
2623 [Define to 1 if you have the X11R6 or newer version of Xt.])
2624 LIBXTR6="-lSM -lICE"
2626 ## Use libw.a along with X11R6 Xt.
2627 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2630 AC_MSG_RESULT(before 6)
2633 dnl If using toolkit, check whether libXmu.a exists.
2634 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2636 if test x$HAVE_X11XTR6 = xyes; then
2637 LIBS="-lXt -lSM -lICE $LIBS"
2641 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2642 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2643 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2647 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2648 dnl Why not just test for libxmu in the normal way?
2651 ## These systems don't supply Xmu.
2653 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2661 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2662 if test "${HAVE_X11}" = "yes"; then
2663 if test "${USE_X_TOOLKIT}" != "none"; then
2664 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2669 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2670 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2671 if test -d /usr/include/openmotif; then
2672 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2673 emacs_cv_openmotif=yes
2674 case "$canonical" in
2675 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2676 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2679 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2682 emacs_cv_openmotif=no
2684 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2685 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2686 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2689 Motif version prior to 2.1.
2691 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2692 if test $emacs_cv_motif_version_2_1 = yes; then
2693 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2694 if test x$emacs_cv_openmotif = xyes; then
2695 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2698 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2699 # We put this in CFLAGS temporarily to precede other -I options
2700 # that might be in CFLAGS temporarily.
2701 # We put this in CPPFLAGS where it precedes the other -I options.
2702 OLD_CPPFLAGS=$CPPFLAGS
2704 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2705 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2706 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2708 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2709 if test $emacs_cv_lesstif = yes; then
2710 # Make sure this -I option remains in CPPFLAGS after it is set
2711 # back to REAL_CPPFLAGS.
2712 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2713 # have those other -I options anyway. Ultimately, having this
2714 # directory ultimately in CPPFLAGS will be enough.
2715 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2716 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2719 CPPFLAGS=$OLD_CPPFLAGS
2722 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2723 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2726 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2727 dnl using Motif or Xaw3d is available, and unless
2728 dnl --with-toolkit-scroll-bars=no was specified.
2730 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2731 [Define to 1 if we should use toolkit scroll bars.])dnl
2732 USE_TOOLKIT_SCROLL_BARS=no
2733 if test "${with_toolkit_scroll_bars}" != "no"; then
2734 if test "${USE_X_TOOLKIT}" != "none"; then
2735 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2736 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2738 USE_TOOLKIT_SCROLL_BARS=yes
2739 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2740 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2741 USE_TOOLKIT_SCROLL_BARS=yes
2743 elif test "${HAVE_GTK}" = "yes"; then
2744 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2745 USE_TOOLKIT_SCROLL_BARS=yes
2746 elif test "${HAVE_NS}" = "yes"; then
2747 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2748 USE_TOOLKIT_SCROLL_BARS=yes
2749 elif test "${HAVE_W32}" = "yes"; then
2750 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2751 USE_TOOLKIT_SCROLL_BARS=yes
2755 dnl See if XIM is available.
2756 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2757 #include <X11/Xlib.h>
2758 #include <X11/Xresource.h>]],
2759 [[XIMProc callback;]])],
2761 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2764 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2766 if test "${with_xim}" != "no"; then
2767 AC_DEFINE(USE_XIM, 1,
2768 [Define to 1 if we should use XIM, if it is available.])
2772 if test "${HAVE_XIM}" != "no"; then
2774 if test "$GCC" = yes; then
2775 CFLAGS="$CFLAGS --pedantic-errors"
2777 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2778 #include <X11/Xlib.h>
2779 #include <X11/Xresource.h>]],
2785 XPointer *client_data;
2787 /* If we're not using GCC, it's probably not XFree86, and this is
2788 probably right, but we can't use something like --pedantic-errors. */
2789 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2790 char*, XIMProc, XPointer*);
2792 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2794 [emacs_cv_arg6_star=yes])
2795 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2796 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2797 either XPointer or XPointer*.])dnl
2798 if test "$emacs_cv_arg6_star" = yes; then
2799 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2801 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2806 ### Start of font-backend (under any platform) section.
2807 # (nothing here yet -- this is a placeholder)
2808 ### End of font-backend (under any platform) section.
2810 ### Start of font-backend (under X11) section.
2811 if test "${HAVE_X11}" = "yes"; then
2812 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2814 ## Use -lXft if available, unless `--with-xft=no'.
2816 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2819 if test "x${with_xft}" != "xno"; then
2821 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2822 ## Because xftfont.c uses XRenderQueryExtension, we also
2823 ## need to link to -lXrender.
2825 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2826 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2827 OLD_CPPFLAGS="$CPPFLAGS"
2828 OLD_CFLAGS="$CFLAGS"
2830 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2831 CFLAGS="$CFLAGS $XFT_CFLAGS"
2832 XFT_LIBS="-lXrender $XFT_LIBS"
2833 LIBS="$XFT_LIBS $LIBS"
2834 AC_CHECK_HEADER(X11/Xft/Xft.h,
2835 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2836 [[#include <X11/X.h>]])
2838 if test "${HAVE_XFT}" = "yes"; then
2839 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2841 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2843 CPPFLAGS="$OLD_CPPFLAGS"
2844 CFLAGS="$OLD_CFLAGS"
2846 fi # "${HAVE_XFT}" = "yes"
2847 fi # "$HAVE_XFT" != no
2848 fi # "x${with_xft}" != "xno"
2850 ## We used to allow building with FreeType and without Xft.
2851 ## However, the ftx font backend driver is not in good shape.
2852 if test "$HAVE_XFT" != "yes"; then
2853 dnl For the "Does Emacs use" message at the end.
2857 dnl Strict linkers fail with
2858 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2859 dnl if -lfreetype is not specified.
2860 dnl The following is needed to set FREETYPE_LIBS.
2861 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2864 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2868 if test "${HAVE_FREETYPE}" = "yes"; then
2869 AC_DEFINE(HAVE_FREETYPE, 1,
2870 [Define to 1 if using the freetype and fontconfig libraries.])
2871 if test "${with_libotf}" != "no"; then
2872 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2874 if test "$HAVE_LIBOTF" = "yes"; then
2875 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2876 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2877 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2878 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2879 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2880 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2881 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2885 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2886 dnl Does the new font backend require it, or can it work without it?
2890 if test "${HAVE_LIBOTF}" = yes; then
2891 if test "${with_m17n_flt}" != "no"; then
2892 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2893 if test "$HAVE_M17N_FLT" = "yes"; then
2894 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2905 ### End of font-backend (under X11) section.
2907 AC_SUBST(FREETYPE_CFLAGS)
2908 AC_SUBST(FREETYPE_LIBS)
2909 AC_SUBST(FONTCONFIG_CFLAGS)
2910 AC_SUBST(FONTCONFIG_LIBS)
2911 AC_SUBST(LIBOTF_CFLAGS)
2912 AC_SUBST(LIBOTF_LIBS)
2913 AC_SUBST(M17N_FLT_CFLAGS)
2914 AC_SUBST(M17N_FLT_LIBS)
2916 ### Use -lXpm if available, unless `--with-xpm=no'.
2917 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2920 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2921 if test "${with_xpm}" != "no"; then
2922 SAVE_CPPFLAGS="$CPPFLAGS"
2923 SAVE_LDFLAGS="$LDFLAGS"
2924 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2925 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2926 AC_CHECK_HEADER(X11/xpm.h,
2927 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2928 if test "${HAVE_XPM}" = "yes"; then
2929 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2930 AC_EGREP_CPP(no_return_alloc_pixels,
2931 [#include "X11/xpm.h"
2932 #ifndef XpmReturnAllocPixels
2933 no_return_alloc_pixels
2935 ], HAVE_XPM=no, HAVE_XPM=yes)
2937 if test "${HAVE_XPM}" = "yes"; then
2938 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2942 CPPFLAGS="$SAVE_CPPFLAGS"
2943 LDFLAGS="$SAVE_LDFLAGS"
2948 if test "${HAVE_XPM}" = "yes"; then
2949 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2954 if test "${HAVE_X11}" = "yes"; then
2955 if test "${with_xpm}" != "no"; then
2956 AC_CHECK_HEADER(X11/xpm.h,
2957 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2958 if test "${HAVE_XPM}" = "yes"; then
2959 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2960 AC_EGREP_CPP(no_return_alloc_pixels,
2961 [#include "X11/xpm.h"
2962 #ifndef XpmReturnAllocPixels
2963 no_return_alloc_pixels
2965 ], HAVE_XPM=no, HAVE_XPM=yes)
2967 if test "${HAVE_XPM}" = "yes"; then
2975 if test "${HAVE_XPM}" = "yes"; then
2976 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2981 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2982 ### slightly different requirements wrt image libraries (it doesn't
2983 ### use -lXpm because it loads the xpm shared library dynamically at
2985 if test "${opsys}" = "mingw32"; then
2986 if test "${with_xpm}" != "no"; then
2987 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2991 if test "${HAVE_XPM}" = "yes"; then
2992 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2998 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2999 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3002 if test "${opsys}" = "mingw32"; then
3003 if test "${with_jpeg}" != "no"; then
3004 dnl Checking for jpeglib.h can lose because of a redefinition of
3006 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3008 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3009 if test "${HAVE_JPEG}" = "yes"; then
3010 AC_DEFINE(HAVE_JPEG)
3011 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3012 [#include <jpeglib.h>
3013 version=JPEG_LIB_VERSION
3015 [AC_DEFINE(HAVE_JPEG)],
3016 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3019 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3020 if test "${with_jpeg}" != "no"; then
3021 dnl Checking for jpeglib.h can lose because of a redefinition of
3023 AC_CHECK_HEADER(jerror.h,
3024 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3027 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3028 if test "${HAVE_JPEG}" = "yes"; then
3029 AC_DEFINE(HAVE_JPEG)
3030 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3031 [#include <jpeglib.h>
3032 version=JPEG_LIB_VERSION
3034 [AC_DEFINE(HAVE_JPEG)],
3035 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3038 if test "${HAVE_JPEG}" = "yes"; then
3044 ### Use -lpng if available, unless `--with-png=no'.
3045 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
3048 if test "${opsys}" = "mingw32"; then
3049 if test "${with_png}" != "no"; then
3050 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
3052 if test "${HAVE_PNG}" = "yes"; then
3053 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3055 AC_CHECK_DECL(png_longjmp,
3057 [AC_DEFINE(PNG_DEPSTRUCT, [],
3058 [Define to empty to suppress deprecation warnings when building
3059 with --enable-gcc-warnings and with libpng versions before 1.5,
3060 which lack png_longjmp.])],
3061 [[#ifdef HAVE_LIBPNG_PNG_H
3062 # include <libpng/png.h>
3068 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3069 if test "${with_png}" != "no"; then
3070 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3071 # in /usr/include/libpng.
3072 AC_CHECK_HEADERS(png.h libpng/png.h, break)
3073 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
3074 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3078 if test "${HAVE_PNG}" = "yes"; then
3079 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3080 LIBPNG="-lpng -lz -lm"
3082 AC_CHECK_DECL(png_longjmp,
3084 [AC_DEFINE(PNG_DEPSTRUCT, [],
3085 [Define to empty to suppress deprecation warnings when building
3086 with --enable-gcc-warnings and with libpng versions before 1.5,
3087 which lack png_longjmp.])],
3088 [[#ifdef HAVE_LIBPNG_PNG_H
3089 # include <libpng/png.h>
3100 if test "${with_zlib}" != "no"; then
3102 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3104 case $ac_cv_search_inflateEnd in
3105 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3108 if test "${HAVE_ZLIB}" = "yes"; then
3109 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3110 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3111 if test "${opsys}" = "mingw32"; then
3118 ### Use -ltiff if available, unless `--with-tiff=no'.
3119 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3122 if test "${opsys}" = "mingw32"; then
3123 if test "${with_tiff}" != "no"; then
3124 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3126 if test "${HAVE_TIFF}" = "yes"; then
3127 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3129 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3130 if test "${with_tiff}" != "no"; then
3131 AC_CHECK_HEADER(tiffio.h,
3133 # At least one tiff package requires the jpeg library.
3134 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3135 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3138 if test "${HAVE_TIFF}" = "yes"; then
3139 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3140 dnl FIXME -lz -lm, as per libpng?
3146 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3147 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3150 if test "${opsys}" = "mingw32"; then
3151 if test "${with_gif}" != "no"; then
3152 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3154 if test "${HAVE_GIF}" = "yes"; then
3155 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3157 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3158 || test "${HAVE_W32}" = "yes"; then
3159 AC_CHECK_HEADER(gif_lib.h,
3160 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3161 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3162 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3163 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3165 if test "$HAVE_GIF" = yes; then
3167 elif test "$HAVE_GIF" = maybe; then
3168 # If gif_lib.h but no libgif, try libungif.
3169 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3170 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3173 if test "${HAVE_GIF}" = "yes"; then
3174 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3179 dnl Check for required libraries.
3180 if test "${HAVE_X11}" = "yes"; then
3183 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3184 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3185 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3186 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3187 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3188 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3189 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3190 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3191 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3192 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3194 if test "X${MISSING}" != X; then
3195 AC_MSG_ERROR([The following required libraries were not found:
3197 Maybe some development libraries/packages are missing?
3198 If you don't want to link with them give
3200 as options to configure])
3204 ### Use -lgpm if available, unless `--with-gpm=no'.
3207 if test "${with_gpm}" != "no"; then
3208 AC_CHECK_HEADER(gpm.h,
3209 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3211 if test "${HAVE_GPM}" = "yes"; then
3212 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3218 dnl Check for malloc/malloc.h on darwin
3219 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3222 ### Use NeXTstep API to implement GUI.
3223 if test "${HAVE_NS}" = "yes"; then
3224 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3225 if test "${NS_IMPL_COCOA}" = "yes"; then
3226 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3228 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3229 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3230 # See also .m.o rule in Makefile.in */
3231 # FIXME: are all these flags really needed? Document here why. */
3232 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3233 ## Extra CFLAGS applied to src/*.m files.
3234 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3239 ### Use session management (-lSM -lICE) if available
3242 if test "${HAVE_X11}" = "yes"; then
3243 AC_CHECK_HEADER(X11/SM/SMlib.h,
3244 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3246 if test "${HAVE_X_SM}" = "yes"; then
3247 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3251 *) LIBS="$LIBXSM $LIBS" ;;
3257 ### Use XRandr (-lXrandr) if available
3259 if test "${HAVE_X11}" = "yes"; then
3260 XRANDR_REQUIRED=1.2.2
3261 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3262 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3263 if test $HAVE_XRANDR = no; then
3264 # Test old way in case pkg-config doesn't have it (older machines).
3265 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3266 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3267 if test $HAVE_XRANDR = yes; then
3268 XRANDR_LIBS=-lXrandr
3269 AC_SUBST(XRANDR_LIBS)
3272 if test $HAVE_XRANDR = yes; then
3273 SAVE_CFLAGS="$CFLAGS"
3275 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3276 LIBS="$XRANDR_LIBS $LIBS"
3277 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3278 CFLAGS="$SAVE_CFLAGS"
3281 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3285 ### Use Xinerama (-lXinerama) if available
3287 if test "${HAVE_X11}" = "yes"; then
3288 XINERAMA_REQUIRED=1.0.2
3289 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3290 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3292 if test $HAVE_XINERAMA = no; then
3293 # Test old way in case pkg-config doesn't have it (older machines).
3294 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3295 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3296 if test $HAVE_XINERAMA = yes; then
3297 XINERAMA_LIBS=-lXinerama
3298 AC_SUBST(XINERAMA_LIBS)
3301 if test $HAVE_XINERAMA = yes; then
3302 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3307 ### Use libxml (-lxml2) if available
3308 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3310 if test "${with_xml2}" != "no"; then
3311 ### I'm not sure what the version number should be, so I just guessed.
3312 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3313 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3314 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3315 SAVE_CPPFLAGS="$CPPFLAGS"
3316 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3317 AC_CHECK_HEADER(libxml/HTMLparser.h,
3318 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3319 [#include <libxml/HTMLparser.h>])])
3320 CPPFLAGS="$SAVE_CPPFLAGS"
3321 if test "${HAVE_LIBXML2}" = "yes"; then
3322 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3323 LIBXML2_LIBS="-lxml2"
3326 if test "${HAVE_LIBXML2}" = "yes"; then
3327 if test "${opsys}" != "mingw32"; then
3328 LIBS="$LIBXML2_LIBS $LIBS"
3329 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3333 if test "${HAVE_LIBXML2}" = "yes"; then
3334 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3341 AC_SUBST(LIBXML2_LIBS)
3342 AC_SUBST(LIBXML2_CFLAGS)
3344 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3345 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3346 if test "${opsys}" = "mingw32"; then
3347 emacs_cv_netdb_declares_h_errno=yes
3349 AC_CACHE_CHECK(whether netdb declares h_errno,
3350 emacs_cv_netdb_declares_h_errno,
3351 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3352 [[return h_errno;]])],
3353 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3354 if test $emacs_cv_netdb_declares_h_errno = yes; then
3355 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3358 # sqrt and other floating-point functions such as fmod and frexp
3359 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3360 if test "${opsys}" != "mingw32"; then
3361 AC_CHECK_LIB(m, sqrt)
3364 # Check for mail-locking functions in a "mail" library. Probably this should
3365 # have the same check as for liblockfile below.
3366 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3367 if test $have_mail = yes; then
3369 LIBS="$LIBS_MAIL $LIBS"
3370 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3374 dnl Debian, at least:
3375 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3376 if test $have_lockfile = yes; then
3377 LIBS_MAIL=-llockfile
3378 LIBS="$LIBS_MAIL $LIBS"
3379 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3381 # If we have the shared liblockfile, assume we must use it for mail
3382 # locking (e.g. Debian). If we couldn't link against liblockfile
3383 # (no liblockfile.a installed), ensure that we don't need to.
3384 dnl This works for files generally, not just executables.
3385 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3386 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3387 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3388 if test $ac_cv_prog_liblockfile = yes; then
3389 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3390 This probably means that movemail could lose mail.
3391 There may be a `development' package to install containing liblockfile.])
3394 AC_CHECK_HEADERS_ONCE(maillock.h)
3397 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3398 ## interlock access to the mail spool. The alternative is a lock file named
3399 ## /usr/spool/mail/$USER.lock.
3402 aix4-2) mail_lock="lockf" ;;
3404 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3406 ## On GNU/Linux systems, both methods are used by various mail programs.
3407 ## I assume most people are using newer mailers that have heard of flock.
3408 ## Change this if you need to.
3409 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3410 ## configure gets the right answers, and that means *NOT* using flock.
3411 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3412 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3413 ## Debian maintainer hasn't provided a clean fix for Emacs.
3414 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3415 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3416 ## correct logic. -- fx
3417 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3418 ## liblockfile is a Free Software replacement for libmail, used on
3419 ## Debian systems and elsewhere. -rfr.
3422 if test $have_mail = yes || test $have_lockfile = yes; then
3423 test $ac_cv_header_maillock_h = yes && mail_lock=no
3428 mail_lock="none-needed" ;;
3432 case "$mail_lock" in
3433 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3435 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3439 *) BLESSMAIL_TARGET="need-blessmail" ;;
3441 AC_SUBST(BLESSMAIL_TARGET)
3444 AC_CHECK_FUNCS(accept4 gethostname \
3445 getrusage get_current_dir_name \
3447 select getpagesize setlocale \
3448 getrlimit setrlimit shutdown getaddrinfo \
3449 strsignal setitimer \
3450 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3451 gai_strerror getline getdelim sync \
3453 getpwent endpwent getgrent endgrent \
3455 cfmakeraw cfsetspeed copysign __executable_start log2)
3457 dnl No need to check for aligned_alloc and posix_memalign if using
3458 dnl gmalloc.o, as it supplies them. Don't use these functions on
3459 dnl Darwin as they are incompatible with unexmacosx.c.
3460 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3461 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3464 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3465 ## has a broken `rint' in some library versions including math library
3466 ## version number A.09.05.
3467 ## You can fix the math library by installing patch number PHSS_4630.
3468 ## But we can fix it more reliably for Emacs by just not using rint.
3469 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3472 *) AC_CHECK_FUNCS(random rint) ;;
3475 dnl Cannot use AC_CHECK_FUNCS
3476 AC_CACHE_CHECK([for __builtin_unwind_init],
3477 emacs_cv_func___builtin_unwind_init,
3478 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3479 emacs_cv_func___builtin_unwind_init=yes,
3480 emacs_cv_func___builtin_unwind_init=no)])
3481 if test $emacs_cv_func___builtin_unwind_init = yes; then
3482 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3483 [Define to 1 if you have the `__builtin_unwind_init' function.])
3486 AC_CHECK_HEADERS_ONCE(sys/un.h)
3491 AC_CHECK_FUNCS(grantpt)
3493 # PTY-related GNU extensions.
3494 AC_CHECK_FUNCS(getpt posix_openpt)
3496 # Check this now, so that we will NOT find the above functions in ncurses.
3497 # That is because we have not set up to link ncurses in lib-src.
3498 # It's better to believe a function is not available
3499 # than to expect to find it in ncurses.
3500 # Also we need tputs and friends to be able to build at all.
3501 AC_MSG_CHECKING([for library containing tputs])
3502 # Run a test program that contains a call to tputs, a call that is
3503 # never executed. This tests whether a pre-'main' dynamic linker
3504 # works with the library. It's too much trouble to actually call
3505 # tputs in the test program, due to portability hassles. When
3506 # cross-compiling, assume the test program will run if it links.
3507 AC_DEFUN([tputs_link_source], [
3509 [[extern void tputs (const char *, int, int (*)(int));
3510 int main (int argc, char **argv)
3513 tputs (argv[0], 0, 0);
3517 if test "${opsys}" = "mingw32"; then
3520 # Maybe curses should be tried earlier?
3521 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3522 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3524 if test -z "$tputs_library"; then
3528 LIBS_TERMCAP=-l$tputs_library
3530 LIBS="$LIBS_TERMCAP $LIBS"
3532 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3533 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3535 if test "X$msg" != Xno; then
3540 AC_MSG_RESULT([$msg])
3541 if test "X$msg" = Xno; then
3542 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3543 The following libraries were tried (in order):
3544 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3545 Please try installing whichever of these libraries is most appropriate
3546 for your system, together with its header files.
3547 For example, a libncurses-dev(el) or similar package.])
3550 ## Use termcap instead of terminfo?
3551 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3553 ## FIXME? In the cases below where we unconditionally set
3554 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3555 ## if that was found above to have tputs.
3556 ## Should we use the gnu* logic everywhere?
3558 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3559 ## The ncurses library has been moved out of the System framework in
3560 ## Mac OS X 10.2. So if configure detects it, set the command-line
3561 ## option to use it.
3562 darwin) LIBS_TERMCAP="-lncurses" ;;
3564 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3567 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3568 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3569 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3570 [[#if __FreeBSD_version < 400000
3573 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3575 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3577 if test $emacs_cv_freebsd_terminfo = yes; then
3578 LIBS_TERMCAP="-lncurses"
3581 LIBS_TERMCAP="-ltermcap"
3591 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3593 LIBS_TERMCAP="-ltermcap"
3597 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3599 ## hpux: Make sure we get select from libc rather than from libcurses
3600 ## because libcurses on HPUX 10.10 has a broken version of select.
3601 ## We used to use -lc -lcurses, but this may be cleaner.
3602 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3603 # set that way, now it uses the default). Isn't this a contradiction?
3604 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3608 TERMCAP_OBJ=tparam.o
3609 if test $TERMINFO = yes; then
3610 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3611 TERMCAP_OBJ=terminfo.o
3613 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3614 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3616 AC_SUBST(LIBS_TERMCAP)
3617 AC_SUBST(TERMCAP_OBJ)
3620 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3621 # On Darwin, res_init appears not to be useful: see bug#562 and
3622 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3625 if test $opsys != darwin; then
3627 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3628 #include <arpa/nameser.h>
3629 #include <resolv.h>]],
3630 [[return res_init();]])],
3631 have_res_init=yes, have_res_init=no)
3632 if test "$have_res_init" = no; then
3634 LIBS="$LIBS -lresolv"
3635 AC_MSG_CHECKING(for res_init with -lresolv)
3636 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3637 #include <arpa/nameser.h>
3638 #include <resolv.h>]],
3639 [[return res_init();]])],
3640 have_res_init=yes, have_res_init=no)
3641 AC_MSG_RESULT($have_res_init)
3642 if test "$have_res_init" = yes ; then
3648 if test "$have_res_init" = yes; then
3649 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3653 # Do we need the Hesiod library to provide the support routines?
3654 dnl FIXME? Should we be skipping this on Darwin too?
3656 if test "$with_hesiod" != no ; then
3657 # Don't set $LIBS here -- see comments above. FIXME which comments?
3658 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3659 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3660 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3661 if test "$resolv" = yes ; then
3666 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3667 hesiod=yes, :, $RESOLVLIB)])
3669 if test x"$hesiod" = xyes; then
3675 # Do we need libresolv (due to res_init or Hesiod)?
3676 if test "$resolv" = yes && test $opsys != darwin; then
3683 # These tell us which Kerberos-related libraries to use.
3690 if test "${with_kerberos}" != no; then
3691 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3692 if test $have_com_err = yes; then
3693 COM_ERRLIB=-lcom_err
3694 LIBS="$COM_ERRLIB $LIBS"
3696 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3697 if test $have_crypto = yes; then
3699 LIBS="$CRYPTOLIB $LIBS"
3701 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3702 if test $have_k5crypto = yes; then
3703 CRYPTOLIB=-lk5crypto
3704 LIBS="$CRYPTOLIB $LIBS"
3706 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3707 if test $have_krb5=yes; then
3709 LIBS="$KRB5LIB $LIBS"
3711 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3712 if test "${with_kerberos5}" = no; then
3713 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3714 if test $have_des425 = yes; then
3716 LIBS="$DESLIB $LIBS"
3718 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3719 if test $have_des = yes; then
3721 LIBS="$DESLIB $LIBS"
3724 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3725 if test $have_krb4 = yes; then
3727 LIBS="$KRB4LIB $LIBS"
3729 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3730 if test $have_krb = yes; then
3732 LIBS="$KRB4LIB $LIBS"
3737 if test "${with_kerberos5}" != no; then
3738 AC_CHECK_HEADERS(krb5.h,
3739 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3740 [#include <krb5.h>])])
3742 AC_CHECK_HEADERS(krb.h,,
3743 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3744 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3746 AC_CHECK_HEADERS(com_err.h)
3749 AC_SUBST(COM_ERRLIB)
3755 AC_CHECK_HEADERS(valgrind/valgrind.h)
3757 AC_CHECK_FUNCS_ONCE(tzset)
3758 AC_MSG_CHECKING(whether localtime caches TZ)
3759 AC_CACHE_VAL(emacs_cv_localtime_cache,
3760 [if test x$ac_cv_func_tzset = xyes; then
3761 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3762 char TZ_GMT0[] = "TZ=GMT0";
3763 char TZ_PST8[] = "TZ=PST8";
3766 time_t now = time ((time_t *) 0);
3767 int hour_GMT0, hour_unset;
3768 if (putenv (TZ_GMT0) != 0)
3770 hour_GMT0 = localtime (&now)->tm_hour;
3772 hour_unset = localtime (&now)->tm_hour;
3773 if (putenv (TZ_PST8) != 0)
3775 if (localtime (&now)->tm_hour == hour_GMT0)
3778 if (localtime (&now)->tm_hour != hour_unset)
3781 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3782 [# If we have tzset, assume the worst when cross-compiling.
3783 emacs_cv_localtime_cache=yes])
3785 # If we lack tzset, report that localtime does not cache TZ,
3786 # since we can't invalidate the cache if we don't have tzset.
3787 emacs_cv_localtime_cache=no
3789 AC_MSG_RESULT($emacs_cv_localtime_cache)
3790 if test $emacs_cv_localtime_cache = yes; then
3791 AC_DEFINE(LOCALTIME_CACHE, 1,
3792 [Define to 1 if localtime caches TZ.])
3796 AC_CHECK_FUNC(socket, , ok_so_far=no)
3797 if test $ok_so_far = yes; then
3798 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3800 if test $ok_so_far = yes; then
3801 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3803 if test $ok_so_far = yes; then
3804 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3805 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3806 [Define to 1 if you have inet sockets.])
3809 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3810 dnl This can be removed once we assume Autoconf 2.70.
3812 *-solaris2.4 | *-solaris2.4.*)
3813 dnl Disable the Autoconf-generated vfork test.
3814 : ${ac_cv_func_vfork_works=no};;
3819 AC_CHECK_FUNCS(snprintf)
3821 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3824 AC_MSG_CHECKING([whether GLib is linked in])
3825 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3828 [[g_print ("Hello world");]])],
3831 AC_MSG_RESULT([$links_glib])
3832 if test "${links_glib}" = "yes"; then
3833 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3834 if test "$HAVE_NS" = no;then
3840 dnl Adapted from Haible's version.
3841 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3842 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3843 [[char* cs = nl_langinfo(CODESET);]])],
3844 emacs_cv_langinfo_codeset=yes,
3845 emacs_cv_langinfo_codeset=no)
3847 if test $emacs_cv_langinfo_codeset = yes; then
3848 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3849 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3854 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3855 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3856 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3857 if test "$emacs_cv_c_restrict_arr" = yes; then
3858 AC_DEFINE(__restrict_arr, __restrict,
3859 [Define to compiler's equivalent of C99 restrict keyword in array
3860 declarations. Define as empty for no equivalent.])
3863 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3864 dnl how the tty code is related to POSIX and/or other versions of termios.
3865 dnl The following looks like a useful start.
3867 dnl AC_SYS_POSIX_TERMIOS
3868 dnl if test $ac_cv_sys_posix_termios = yes; then
3869 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3870 dnl and macros for terminal control.])
3871 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3874 dnl Turned on June 1996 supposing nobody will mind it.
3875 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3876 if test "${opsys}" != "mingw32"; then
3877 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3878 in the full name stands for the login id.])
3881 dnl Every platform that uses configure supports this.
3882 dnl There is a create-lockfiles option you can
3883 dnl customize if you do not want the lock files to be written.
3884 dnl So it is not clear that this #define still needs to exist.
3885 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3886 so that Emacs can tell instantly when you try to modify a file that
3887 someone else has modified in his/her Emacs.])
3889 dnl Everybody supports this, except MS.
3890 dnl Seems like the kind of thing we should be testing for, though.
3891 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3892 if test "${opsys}" != "mingw32"; then
3893 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3896 dnl Everybody supports this, except MS-DOS.
3897 dnl Seems like the kind of thing we should be testing for, though.
3898 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3899 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3900 4.2-compatible sockets.])
3902 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3904 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3905 a null file, or a data sink.])
3906 if test "${opsys}" = "mingw32"; then
3907 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3909 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3912 if test "${opsys}" = "mingw32"; then
3917 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3918 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3919 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3920 dnl decides that a command-line argument to be passed to a MinGW program
3921 dnl is a PATH-style list of directories. But that heuristics plays it
3922 dnl safe, and only does the replacement when it is _absolutely_ sure it
3923 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3924 dnl which breaks in-tree builds. So we do this manually instead.
3925 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3926 dnl be computed as ':' in MSYS Bash.
3929 dnl Everybody supports this, except MS-DOS.
3930 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3932 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3935 AC_DEFINE(DIRECTORY_SEP, ['/'],
3936 [Character that separates directories in a file name.])
3938 if test "${opsys}" = "mingw32"; then
3939 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3940 [Returns true if character is a device separator.])
3942 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3943 [Returns true if character is a directory separator.])
3945 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3946 [Returns true if character is any form of separator.])
3948 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3949 [Returns true if character is a device separator.])
3951 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3952 [Returns true if character is a directory separator.])
3954 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3955 [Returns true if character is any form of separator.])
3958 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3962 dnl Unfortunately without libXmu we cannot support EditRes.
3963 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3964 AC_DEFINE(NO_EDITRES, 1)
3969 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3970 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3971 AC_DEFINE(NO_EDITRES, 1)
3977 irix6-5 | sol2* | unixware )
3978 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3979 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3980 dnl need the constant to dimension an array. So wire in the appropriate
3982 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3986 emacs_broken_SIGIO=no
3989 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3990 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3991 hpux* | irix6-5 | openbsd | sol2* | unixware )
3992 emacs_broken_SIGIO=yes
3996 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3997 dnl the way this system works, libc functions that return malloced
3998 dnl memory use the libc malloc implementation. Calling xfree or
3999 dnl xrealloc on the results of such functions results in a crash.
4001 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4002 dnl but that does not currently work on this system.
4004 dnl It is possible to completely override the malloc implementation on
4005 dnl AIX, but that involves putting the malloc functions in a shared
4006 dnl library and setting the MALLOCTYPE environment variable to point to
4007 dnl that shared library.
4009 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4010 dnl to avoid a crash just use the Emacs implementation for that function.
4012 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4013 dnl of this file, so that we do not check for get_current_dir_name
4014 dnl on AIX. But that might be fragile if something else ends
4015 dnl up testing for get_current_dir_name as a dependency.
4016 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4017 get_current_dir_name should not be used.])
4021 dnl Circumvent a bug in FreeBSD. In the following sequence of
4022 dnl writes/reads on a PTY, read(2) returns bogus data:
4024 dnl write(2) 1022 bytes
4025 dnl write(2) 954 bytes, get EAGAIN
4026 dnl read(2) 1024 bytes in process_read_output
4027 dnl read(2) 11 bytes in process_read_output
4029 dnl That is, read(2) returns more bytes than have ever been written
4030 dnl successfully. The 1033 bytes read are the 1022 bytes written
4031 dnl successfully after processing (for example with CRs added if the
4032 dnl terminal is set up that way which it is here). The same bytes will
4033 dnl be seen again in a later read(2), without the CRs.
4034 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4035 work around an issue when reading from a PTY.])
4041 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4042 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4047 darwin | dragonfly | freebsd | netbsd | openbsd )
4048 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4049 close a pty to make it a controlling terminal (it is already a
4050 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4054 dnl FIXME Surely we can test for this rather than hard-code it.
4056 netbsd | openbsd) sound_device="/dev/audio" ;;
4057 *) sound_device="/dev/dsp" ;;
4061 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4062 [Name of the default sound device.])
4065 dnl Emacs can read input using SIGIO and buffering characters itself,
4066 dnl or using CBREAK mode and making C-g cause SIGINT.
4067 dnl The choice is controlled by the variable interrupt_input.
4069 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4071 dnl Emacs uses the presence of the USABLE_SIGIO macro
4072 dnl to indicate whether or not signal-driven I/O is possible. It uses
4073 dnl INTERRUPT_INPUT to decide whether to use it by default.
4075 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4076 dnl CBREAK mode has two disadvantages
4077 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4078 dnl I hear that in system V this problem does not exist.
4079 dnl 2) Control-G causes output to be discarded.
4080 dnl I do not know whether this can be fixed in system V.
4082 dnl Another method of doing input is planned but not implemented.
4083 dnl It would have Emacs fork off a separate process
4084 dnl to read the input and send it to the true Emacs process
4087 darwin | gnu-linux | gnu-kfreebsd )
4088 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4093 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4094 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4095 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4096 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4097 dnl taking float or double parameters.
4099 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4100 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4101 file defines `NeedWidePrototypes' as `NO'.])
4106 dnl Used in process.c, this must be a loop, even if it only runs once.
4107 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4108 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4109 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4110 dnl trying suffixes 0-16.
4111 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4112 first PTY, if PTYs are supported.])
4113 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4114 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4115 end of a PTY, if non-standard.])
4116 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4117 end of a PTY, if non-standard.])
4121 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4122 dnl You allocate a pty by opening /dev/ptc to get the master side.
4123 dnl To get the name of the slave side, you just ttyname() the master side.
4124 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4125 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4129 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4130 dnl multi-line AC_DEFINEs are hard. :(
4131 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)])
4132 AC_DEFINE(PTY_NAME_SPRINTF, [])
4133 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4136 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4138 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4139 dnl Not used, because PTY_ITERATION is defined.
4140 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4141 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4142 dnl But we don't have to block SIGCHLD because it is blocked in the
4143 dnl implementation of grantpt.
4144 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4145 AC_DEFINE(PTY_NAME_SPRINTF, [])
4146 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4150 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4153 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4155 if test "x$ac_cv_func_grantpt" = xyes; then
4156 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4157 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4158 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4159 dnl to prevent sigchld_handler from intercepting the child's death.
4160 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); }])
4161 dnl if HAVE_POSIX_OPENPT
4162 if test "x$ac_cv_func_posix_openpt" = xyes; then
4163 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4164 AC_DEFINE(PTY_NAME_SPRINTF, [])
4166 elif test "x$ac_cv_func_getpt" = xyes; then
4167 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4168 AC_DEFINE(PTY_NAME_SPRINTF, [])
4170 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4173 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4178 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4179 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4180 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4184 dnl It looks like this cannot be right, because it is not a loop.
4185 dnl However, process.c actually does this:
4191 dnl which presumably makes it OK, since irix == sgi (?).
4192 dnl FIXME it seems like this special treatment is unnecessary?
4193 dnl Why can't irix use a single-trip loop like eg cygwin?
4194 AC_DEFINE(PTY_ITERATION, [])
4195 dnl Not used, because PTY_ITERATION is defined.
4196 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4197 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); }])
4198 dnl No need to get the pty name at all.
4199 AC_DEFINE(PTY_NAME_SPRINTF, [])
4200 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4201 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4205 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4206 dnl from intercepting that death. If any child but grantpt's should die
4207 dnl within, it should be caught after sigrelse(2).
4208 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); }])
4212 dnl Comments are as per sol2*.
4213 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); }])
4220 dnl This change means that we don't loop through allocate_pty too
4221 dnl many times in the (rare) event of a failure.
4222 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4223 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4224 dnl Push various streams modules onto a PTY channel. Used in process.c.
4225 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.])
4230 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4231 "typing" a signal character on the pty.])
4234 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4235 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4236 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4237 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4240 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4241 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4242 gnu-linux | gnu-kfreebsd )
4244 AC_MSG_CHECKING([for signals via characters])
4245 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4246 #include <linux/version.h>
4247 #if LINUX_VERSION_CODE < 0x20400
4248 # error "Linux version too old"
4250 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4252 AC_MSG_RESULT([$emacs_signals_via_chars])
4253 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4258 dnl Used in lisp.h, emacs.c, vm-limit.c
4259 dnl NEWS.18 describes this as "a number which contains
4260 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4261 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4262 stored in a Lisp_Object.])
4263 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4267 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4268 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4271 dnl The data segment on this machine always starts at address 0x40000000.
4272 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4275 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4280 AH_TEMPLATE(TAB3, [Undocumented.])
4283 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4285 gnu | dragonfly | freebsd | netbsd | openbsd )
4286 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4287 AC_DEFINE(TAB3, OXTABS)
4290 gnu-linux | gnu-kfreebsd )
4291 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4295 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4296 [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)],
4297 [Mark a secondary stack, like the register stack on the ia64.]), [])
4301 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4302 run_time_remap; for HPUX.])
4307 dnl This won't be used automatically yet. We also need to know, at least,
4308 dnl that the stack is continuous.
4309 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4310 registers relevant for conservative garbage collection in the jmp_buf.])
4314 dnl Not all the architectures are tested, but there are Debian packages
4315 dnl for SCM and/or Guile on them, so the technique must work. See also
4316 dnl comments in alloc.c concerning setjmp and gcc.
4317 dnl Fixme: it's probably safe to just use the GCC conditional below.
4318 gnu-linux | gnu-kfreebsd )
4319 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4320 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4321 || defined __alpha__ || defined __mips__ || defined __s390__ \
4322 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4323 || defined __ia64__ || defined __sh__
4326 # error "setjmp not known to work on this arch"
4328 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4333 if test x$GCC = xyes; then
4334 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4335 AC_DEFINE(GC_SETJMP_WORKS, 1)
4338 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4339 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4340 AC_DEFINE(GC_SETJMP_WORKS, 1)
4345 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4346 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4349 [[#include <setjmp.h>
4351 # define _longjmp longjmp
4356 _longjmp (j, 1);]])],
4357 [emacs_cv_func__setjmp=yes],
4358 [emacs_cv_func__setjmp=no])])
4359 if test $emacs_cv_func__setjmp = yes; then
4360 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4362 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4365 [[#include <setjmp.h>
4368 if (! sigsetjmp (j, 1))
4369 siglongjmp (j, 1);]])],
4370 [emacs_cv_func_sigsetjmp=yes],
4371 [emacs_cv_func_sigsetjmp=no])])
4372 if test $emacs_cv_func_sigsetjmp = yes; then
4373 AC_DEFINE([HAVE_SIGSETJMP], 1,
4374 [Define to 1 if sigsetjmp and siglongjmp work.
4375 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4381 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4382 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4383 dnl and this is all we need.
4384 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4391 dnl Used in xfaces.c.
4392 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4393 some systems, where it requires time.h.])
4398 dnl Define symbols to identify the version of Unix this is.
4399 dnl Define all the symbols that apply correctly.
4400 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4401 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4402 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4403 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4408 dnl This symbol should be defined on AIX Version 3 ???????
4409 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4411 # error "_AIX not defined"
4413 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4417 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4421 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4422 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4423 dnl distinguish OS X from pure Darwin.
4424 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4427 gnu-linux | gnu-kfreebsd )
4429 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4434 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4439 AC_DEFINE(USG5_4, [])
4440 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4444 AC_DEFINE(DOS_NT, [])
4445 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4446 if test "x$ac_enable_checking" != "x" ; then
4447 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4453 AC_DEFINE(USG5_4, [])
4454 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4459 AC_DEFINE(USG5_4, [])
4463 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4466 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4467 emacs_cv_usable_FIONREAD=no
4471 emacs_cv_usable_FIONREAD=yes
4476 [AC_LANG_PROGRAM([[#include <sys/types.h>
4477 #include <sys/ioctl.h>
4479 # include <sys/filio.h>
4482 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4483 [emacs_cv_usable_FIONREAD=yes],
4484 [emacs_cv_usable_FIONREAD=no])
4487 if test $emacs_cv_usable_FIONREAD = yes; then
4488 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4490 if test $emacs_broken_SIGIO = no; then
4491 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4493 [AC_LANG_PROGRAM([[#include <fcntl.h>
4496 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4497 [emacs_cv_usable_SIGIO=yes],
4498 [emacs_cv_usable_SIGIO=no])],
4499 [emacs_cv_usable_SIGIO=yes],
4500 [emacs_cv_usable_SIGIO=no])
4501 if test $emacs_cv_usable_SIGIO = yes; then
4502 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4509 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4510 dnl and on Cygwin prior to version 1.7.24 that becomes the
4511 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4512 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4513 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4514 dnl needed starting with cygwin-1.7.24, and it is no longer
4515 dnl effective starting with glib-2.36. */
4517 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4518 G_SLICE environment variable to "always-malloc" at startup.])
4522 dnl It works to open the pty's tty in the parent (Emacs), then
4523 dnl close and reopen it in the child.
4524 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4525 works to open a pty's tty in the parent process, then close and
4526 reopen it in the child.])
4530 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4531 use VSUSP instead of VSWTCH.])
4535 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4540 # Set up the CFLAGS for real compilation, so we can substitute it.
4541 CFLAGS="$REAL_CFLAGS"
4542 CPPFLAGS="$REAL_CPPFLAGS"
4544 ## Hack to detect a buggy GCC version.
4545 if test "x$GCC" = xyes \
4546 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4547 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4548 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4549 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4552 version=$PACKAGE_VERSION
4554 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4555 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4556 [Short copyright string for this version of Emacs.])
4559 ### Specify what sort of things we'll be editing into Makefile and config.h.
4560 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4562 AC_SUBST(configuration)
4567 AC_SUBST(exec_prefix)
4570 AC_SUBST(sharedstatedir)
4571 AC_SUBST(libexecdir)
4575 AC_SUBST(standardlisppath)
4576 AC_SUBST(locallisppath)
4578 AC_SUBST(x_default_search_path)
4580 AC_SUBST(archlibdir)
4585 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4586 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4587 ## end of LIBX_BASE, but nothing ever set it.
4588 AC_SUBST(LD_SWITCH_X_SITE)
4589 AC_SUBST(C_SWITCH_X_SITE)
4590 AC_SUBST(GNUSTEP_CFLAGS)
4592 ## Used in lwlib/Makefile.in.
4593 AC_SUBST(X_TOOLKIT_TYPE)
4595 AC_SUBST(ns_appbindir)
4596 AC_SUBST(ns_appresdir)
4598 AC_SUBST(GNU_OBJC_CFLAGS)
4599 AC_SUBST(OTHER_FILES)
4601 if test -n "${term_header}"; then
4602 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4603 [Define to the header for the built-in window system.])
4606 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4607 [Define to the canonical Emacs configuration name.])
4608 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4609 [Define to the options passed to configure.])
4610 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4611 define this to include extra configuration information.])
4615 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4622 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4623 AC_DEFINE(HAVE_X_WINDOWS, 1,
4624 [Define to 1 if you want to use the X window system.])
4626 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4628 if test "$HAVE_XFT" = "yes"; then
4629 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4630 elif test "$HAVE_FREETYPE" = "yes"; then
4631 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4641 if test "${USE_X_TOOLKIT}" != "none" ; then
4643 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4644 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4645 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4646 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4647 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4651 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4652 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4656 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4657 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4658 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4662 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4663 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4666 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4669 AC_SUBST(WIDGET_OBJ)
4672 case "$USE_X_TOOLKIT" in
4673 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4674 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4675 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4677 AC_SUBST(TOOLKIT_LIBW)
4679 if test "${opsys}" != "mingw32"; then
4680 if test "$USE_X_TOOLKIT" = "none"; then
4681 LIBXT_OTHER="\$(LIBXSM)"
4683 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4686 AC_SUBST(LIBXT_OTHER)
4688 if test "${HAVE_X11}" = "yes" ; then
4689 AC_DEFINE(HAVE_X11, 1,
4690 [Define to 1 if you want to use version 11 of X windows.])
4691 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4695 AC_SUBST(LIBX_OTHER)
4697 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4699 elif test "$USE_X_TOOLKIT" = none; then
4700 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4702 LIBXMENU='$(lwlibdir)/liblw.a'
4706 if test "${GNU_MALLOC}" = "yes" ; then
4707 AC_DEFINE(GNU_MALLOC, 1,
4708 [Define to 1 if you want to use the GNU memory allocator.])
4712 if test "${REL_ALLOC}" = "yes" ; then
4713 AC_DEFINE(REL_ALLOC, 1,
4714 [Define REL_ALLOC if you want to use the relocating allocator for
4717 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4719 AC_SUBST(RALLOC_OBJ)
4721 if test "$opsys" = "cygwin"; then
4722 CYGWIN_OBJ="sheap.o cygw32.o"
4723 ## Cygwin differs because of its unexec().
4725 POST_ALLOC_OBJ=lastfile.o
4726 elif test "$opsys" = "mingw32"; then
4729 POST_ALLOC_OBJ=lastfile.o
4732 PRE_ALLOC_OBJ=lastfile.o
4735 AC_SUBST(CYGWIN_OBJ)
4736 AC_SUBST(PRE_ALLOC_OBJ)
4737 AC_SUBST(POST_ALLOC_OBJ)
4739 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4740 dnl verbatim defined above. The tricky name is apropos, as this hack
4741 dnl makes Fortify go sour!
4742 AH_VERBATIM([FORTIFY_SOUR],
4743 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4744 The workaround disables some useful run-time checking, so it
4745 should be conditional to the platforms with the performance bug.
4746 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4747 #if defined __APPLE__ && defined __GNUC__
4748 # ifndef _DONT_USE_CTYPE_INLINE_
4749 # define _DONT_USE_CTYPE_INLINE_
4751 # ifndef _FORTIFY_SOURCE
4752 # define _FORTIFY_SOURCE 0
4757 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4758 # it temporarily reverts them to their pre-pkg-config values,
4759 # because gnulib needs to work with both src (which uses the
4760 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4761 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4762 # and it therefore needs to run in an environment where LIBS does not
4763 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4764 # for some package unrelated to lib-src.
4767 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4768 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4769 gl_ASSERT_NO_GNULIB_POSIXCHECK
4770 gl_ASSERT_NO_GNULIB_TESTS
4775 if test "${opsys}" = "mingw32"; then
4776 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4777 # Remove unneeded switches from the value of CC that goes to Makefiles
4778 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4782 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4785 ## The -headerpad option tells ld (see man page) to leave room at the
4786 ## end of the header for adding load commands. Needed for dumping.
4787 ## 0x690 is the total size of 30 segment load commands (at 56
4788 ## each); under Cocoa 31 commands are required.
4789 if test "$HAVE_NS" = "yes"; then
4790 libs_nsgui="-framework AppKit"
4791 if test "$NS_IMPL_COCOA" = "yes"; then
4792 libs_nsgui="$libs_nsgui -framework IOKit"
4799 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4801 ## This is here because src/Makefile.in did some extra fiddling around
4802 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4803 ## LD_SWITCH_SYSTEM_TEMACS instead,
4804 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4805 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4808 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4809 ## find X at run-time.
4810 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4811 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4812 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4813 ## had different values in configure (in ac_link) and src/Makefile.in.
4814 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4815 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4818 ## MinGW64 does not prepend an underscore to symbols, so we must
4819 ## pass a different -entry switch to linker. FIXME: It is better
4820 ## to make the entry points the same by changing unexw32.c.
4821 case "$canonical" in
4822 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4823 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4827 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4829 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4832 if test x$ac_enable_profiling != x ; then
4834 *freebsd | gnu-linux) ;;
4835 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4839 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4841 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4843 ## MinGW-specific post-link processing of temacs.
4844 TEMACS_POST_LINK=":"
4847 if test "${opsys}" = "mingw32"; then
4848 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4849 ADDSECTION="../nt/addsection\$(EXEEXT)"
4850 ## Preload heap size of temacs.exe in MB.
4851 case "$canonical" in
4852 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4853 *) EMACS_HEAPSIZE=27 ;;
4857 AC_SUBST(ADDSECTION)
4858 AC_SUBST(TEMACS_POST_LINK)
4859 AC_SUBST(EMACS_HEAPSIZE)
4861 ## Common for all window systems
4862 if test "$window_system" != "none"; then
4863 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4864 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4867 AC_SUBST(WINDOW_SYSTEM_OBJ)
4869 AH_TOP([/* GNU Emacs site configuration template file.
4871 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4872 Free Software Foundation, Inc.
4874 This file is part of GNU Emacs.
4876 GNU Emacs is free software: you can redistribute it and/or modify
4877 it under the terms of the GNU General Public License as published by
4878 the Free Software Foundation, either version 3 of the License, or
4879 (at your option) any later version.
4881 GNU Emacs is distributed in the hope that it will be useful,
4882 but WITHOUT ANY WARRANTY; without even the implied warranty of
4883 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4884 GNU General Public License for more details.
4886 You should have received a copy of the GNU General Public License
4887 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4890 /* No code in Emacs #includes config.h twice, but some bits of code
4891 intended to work with other packages as well (like gmalloc.c)
4892 think they can include it as many times as they like. */
4893 #ifndef EMACS_CONFIG_H
4894 #define EMACS_CONFIG_H
4897 AH_BOTTOM([#include <conf_post.h>
4899 #endif /* EMACS_CONFIG_H */
4908 #### Report on what we decided to do.
4909 #### Report GTK as a toolkit, even if it doesn't use Xt.
4910 #### It makes printing result more understandable as using GTK sets
4911 #### toolkit_scroll_bars to yes by default.
4912 if test "${HAVE_GTK}" = "yes"; then
4913 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4916 if test $USE_ACL -ne 0; then
4917 acl_summary="yes $LIB_ACL"
4923 Configured for \`${canonical}'.
4925 Where should the build process find the source code? ${srcdir}
4926 What compiler should emacs be built with? ${CC} ${CFLAGS}
4927 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4928 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4929 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4930 What window system should Emacs use? ${window_system}
4931 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4933 if test -n "${x_includes}"; then
4934 echo " Where do we find X Windows header files? ${x_includes}"
4936 echo " Where do we find X Windows header files? Standard dirs"
4938 if test -n "${x_libraries}"; then
4939 echo " Where do we find X Windows libraries? ${x_libraries}"
4941 echo " Where do we find X Windows libraries? Standard dirs"
4944 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4945 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4946 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4947 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4948 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4949 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4950 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4951 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4953 echo " Does Emacs support sound? ${HAVE_SOUND}"
4955 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4956 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4957 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4958 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4959 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4960 echo " Does Emacs use access control lists? ${acl_summary}"
4961 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4962 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4963 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4965 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4966 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4967 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4968 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4969 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4971 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4974 if test -n "${EMACSDATA}"; then
4975 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4977 if test -n "${EMACSDOC}"; then
4978 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4983 if test "$HAVE_NS" = "yes"; then
4985 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4986 The installed application will go to nextstep/Emacs.app and can be
4987 run or moved from there."
4988 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4989 echo "The application will be fully self-contained."
4991 echo "The lisp resources for the application will be installed under ${prefix}.
4992 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4993 to run if these resources are not installed."
4998 if test "${opsys}" = "cygwin"; then
5000 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5006 # Remove any trailing slashes in these variables.
5007 [test "${prefix}" != NONE &&
5008 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5009 test "${exec_prefix}" != NONE &&
5010 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5012 if test "$HAVE_NS" = "yes"; then
5013 if test "$NS_IMPL_GNUSTEP" = yes; then
5014 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5015 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5016 ns_check_file=Resources/Info-gnustep.plist
5018 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5019 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5020 ns_check_file=Contents/Info.plist
5022 AC_SUBST(ns_check_file)
5025 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5026 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5027 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5028 dnl (else you get "no `Makefile.am' found for any configure output").
5029 dnl This will work, but you get a config.status that is not quite right
5030 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5031 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5032 dnl it seems better to just live with the duplication.
5033 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5035 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5036 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5037 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5038 leim/Makefile nextstep/Makefile nt/Makefile])
5040 dnl test/ is not present in release tarfiles.
5041 opt_makefile=test/automated/Makefile
5043 if test -f "$srcdir/$opt_makefile.in"; then
5044 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5045 dnl Again, it's best not to use a variable. Though you can add
5046 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5047 AC_CONFIG_FILES([test/automated/Makefile])
5051 dnl The admin/ directory used to be excluded from tarfiles.
5052 if test -d $srcdir/admin; then
5053 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5054 AC_CONFIG_FILES([admin/unidata/Makefile])
5055 AC_CONFIG_FILES([admin/grammars/Makefile])
5059 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5061 AC_SUBST(SUBDIR_MAKEFILES_IN)
5063 dnl You might wonder (I did) why epaths.h is generated by running make,
5064 dnl rather than just letting configure generate it from epaths.in.
5065 dnl One reason is that the various paths are not fully expanded (see above);
5066 dnl eg gamedir=${prefix}/var/games/emacs.
5067 dnl Secondly, the GNU Coding standards require that one should be able
5068 dnl to run `make prefix=/some/where/else' and override the values set
5069 dnl by configure. This also explains the `move-if-change' test and
5070 dnl the use of force in the `epaths-force' rule in Makefile.in.
5071 AC_CONFIG_COMMANDS([src/epaths.h], [
5072 if test "${opsys}" = "mingw32"; then
5073 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5075 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5077 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5079 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5080 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5082 AC_CONFIG_COMMANDS([src/.gdbinit], [
5083 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5084 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit