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, 24.3.91)
27 dnl We get MINGW64 with MSYS2
28 if test "x$MSYSTEM" = "xMINGW32" -o "x$MSYSTEM" = "xMINGW64"
30 . $srcdir/nt/mingw-cfg.site
34 # srcdir is an absolute path. In this case, force the format
35 # "/c/foo/bar", to simplify later conversions to native Windows
36 # format ("c:/foo/bar")
37 srcdir=`cd "${srcdir}" && pwd -W`
38 srcdir="/${srcdir:0:1}${srcdir:2}"
43 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
44 dnl and then quoted again for a C string. Separate options with spaces.
45 dnl Add some environment variables, if they were passed via the environment
46 dnl rather than on the command-line.
49 dnl This is the documented way to record the args passed to configure,
50 dnl rather than $ac_configure_args.
51 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
53 -n | --no-create | --no-recursion)
55 CFLAGS | CPPFLAGS | LDFLAGS)
56 eval 'test "${'$opt'+set}" = set' || continue
58 *" $opt="*) continue ;;
60 eval opt=$opt=\$$opt ;;
63 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
65 *[["$emacs_shell_specials"]]*)
68 emacs_quote_apostrophes="s/'/'\\\\''/g"
69 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
74 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
75 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
78 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
82 AC_CONFIG_HEADERS(src/config.h:src/config.in)
83 AC_CONFIG_SRCDIR(src/lisp.h)
84 AC_CONFIG_AUX_DIR(build-aux)
87 AC_CHECK_PROGS(XCRUN, [xcrun])
88 if test -n "$XCRUN"; then
89 if test -z "$MAKE"; then
90 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
91 dnl SET_MAKE and with the usual MAKE variable that 'make' itself uses.
92 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
93 if test -z "$MAKE_PROG"; then
96 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
101 dnl Fairly arbitrary, older versions might work too.
102 AM_INIT_AUTOMAKE(1.11)
104 dnl Support for --program-prefix, --program-suffix and
105 dnl --program-transform-name options
108 dnl It is important that variables on the RHS not be expanded here,
109 dnl hence the single quotes. This is per the GNU coding standards, see
110 dnl (autoconf) Installation Directory Variables
111 dnl See also epaths.h below.
112 lispdir='${datadir}/emacs/${version}/lisp'
113 standardlisppath='${lispdir}'
114 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
115 '${datadir}/emacs/site-lisp'
116 lisppath='${locallisppath}:${standardlisppath}'
117 etcdir='${datadir}/emacs/${version}/etc'
118 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
119 etcdocdir='${datadir}/emacs/${version}/etc'
120 gamedir='${localstatedir}/games/emacs'
122 dnl Special option to disable the most of other options.
124 [AS_HELP_STRING([--without-all],
125 [omit almost all features and build
126 small executable with minimal dependencies])],
127 [with_features=$withval],
130 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
131 dnl Create a new --with option that defaults to being disabled.
132 dnl NAME is the base name of the option. The shell variable with_NAME
133 dnl will be set to either the user's value (if the option is
134 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
135 dnl option is not specified). Note that the shell variable name is
136 dnl constructed as autoconf does, by replacing non-alphanumeric
137 dnl characters with "_".
138 dnl HELP-STRING is the help text for the option.
139 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
140 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
141 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
144 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
145 dnl Create a new --with option that defaults to $with_features.
146 dnl NAME is the base name of the option. The shell variable with_NAME
147 dnl will be set either to 'no' (for a plain --without-NAME) or to
148 dnl 'yes' (if the option is not specified). Note that the shell
149 dnl variable name is constructed as autoconf does, by replacing
150 dnl non-alphanumeric characters with "_".
151 dnl HELP-STRING is the help text for the option.
152 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
153 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
154 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
157 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
158 if test "$with_pop" = yes; then
159 AC_DEFINE(MAIL_USE_POP)
161 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
163 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
164 if test "$with_kerberos" != no; then
167 AH_TEMPLATE(KERBEROS,
168 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
170 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
171 if test "${with_kerberos5}" != no; then
172 if test "${with_kerberos}" = no; then
176 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
179 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
180 dnl FIXME hesiod support may not be present, so it seems like an error
181 dnl to define, or at least use, this unconditionally.
182 if test "$with_hesiod" != no; then
183 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
186 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
187 if test "$with_mmdf" != no; then
188 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
191 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
192 if test "$with_mail_unlink" != no; then
193 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
196 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
197 [string giving default POP mail host])],
198 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
200 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
201 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
202 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
203 [ case "${withval}" in
204 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
205 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
206 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
211 [with_sound=$with_features])
213 dnl FIXME currently it is not the last.
214 dnl This should be the last --with option, because --with-x is
215 dnl added later on when we find the file name of X, and it's best to
216 dnl keep them together visually.
217 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
218 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
219 [ case "${withval}" in
220 y | ye | yes ) val=gtk ;;
222 l | lu | luc | luci | lucid ) val=lucid ;;
223 a | at | ath | athe | athen | athena ) val=athena ;;
224 m | mo | mot | moti | motif ) val=motif ;;
225 g | gt | gtk ) val=gtk ;;
229 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
230 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
231 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
232 `athena' and `lucid' are synonyms.])
238 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
239 if test "$with_wide_int" = yes; then
240 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
243 dnl _ON results in a '--without' option in the --help output, so
244 dnl the help text should refer to "don't compile", etc.
245 with_xpm_set=${with_xpm+set}
246 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
247 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
248 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
249 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
250 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
251 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
252 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
253 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
255 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
256 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
257 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
259 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
260 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
261 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
262 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
263 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
265 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
266 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
267 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
268 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
269 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
270 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
271 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
273 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
274 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
275 [ case "${withval}" in
276 y | ye | yes ) val=yes ;;
278 g | gf | gfi | gfil | gfile ) val=gfile ;;
279 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
280 w | w3 | w32 ) val=w32 ;;
281 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
282 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
283 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
284 otherwise for the first of `gfile' or `inotify' that is usable.])
287 with_file_notification=$val
289 [with_file_notification=$with_features])
291 ## For the times when you want to build Emacs but don't have
292 ## a suitable makeinfo, and can live without the manuals.
293 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
294 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
296 ## Makefile.in needs the cache file name.
299 ## This is an option because I do not know if all info/man support
300 ## compressed files, nor how to test if they do so.
301 OPTION_DEFAULT_ON([compress-install],
302 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
303 make GZIP_PROG= install])
305 AC_ARG_WITH([pkg-config-prog],dnl
306 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
307 [file name of pkg-config for finding GTK and librsvg])])
308 if test "X${with_pkg_config_prog}" != X; then
309 if test "${with_pkg_config_prog}" != yes; then
310 PKG_CONFIG="${with_pkg_config_prog}"
314 AC_ARG_WITH(gameuser,dnl
315 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
316 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
317 && gameuser="${with_gameuser}"
318 test "X$gameuser" = X && gameuser=games
320 AC_ARG_WITH([gnustep-conf],dnl
321 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
322 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
323 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
324 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
325 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
326 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
328 AC_ARG_ENABLE(ns-self-contained,
329 [AS_HELP_STRING([--disable-ns-self-contained],
330 [disable self contained build under NeXTstep])],
331 EN_NS_SELF_CONTAINED=$enableval,
332 EN_NS_SELF_CONTAINED=yes)
334 AC_ARG_ENABLE(locallisppath,
335 [AS_HELP_STRING([--enable-locallisppath=PATH],
336 [directories Emacs should search for lisp files specific
338 if test "${enableval}" = "no"; then
340 elif test "${enableval}" != "yes"; then
341 locallisppath=${enableval}
344 AC_ARG_ENABLE(checking,
345 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
346 [enable expensive run-time checks. With LIST,
347 enable only specific categories of checks.
348 Categories are: all,yes,no.
349 Flags are: stringbytes, stringoverrun, stringfreelist,
350 xmallocoverrun, conslist, glyphs])],
351 [ac_checking_flags="${enableval}"],[])
352 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
353 for check in $ac_checking_flags
356 # these set all the flags to specific states
357 yes) ac_enable_checking=1 ;;
358 no) ac_enable_checking= ;
359 ac_gc_check_stringbytes= ;
360 ac_gc_check_string_overrun= ;
361 ac_gc_check_string_free_list= ;
362 ac_xmalloc_overrun= ;
363 ac_gc_check_cons_list= ;
365 all) ac_enable_checking=1 ;
366 ac_gc_check_stringbytes=1 ;
367 ac_gc_check_string_overrun=1 ;
368 ac_gc_check_string_free_list=1 ;
369 ac_xmalloc_overrun=1 ;
370 ac_gc_check_cons_list=1 ;
372 # these enable particular checks
373 stringbytes) ac_gc_check_stringbytes=1 ;;
374 stringoverrun) ac_gc_check_string_overrun=1 ;;
375 stringfreelist) ac_gc_check_string_free_list=1 ;;
376 xmallocoverrun) ac_xmalloc_overrun=1 ;;
377 conslist) ac_gc_check_cons_list=1 ;;
378 glyphs) ac_glyphs_debug=1 ;;
379 *) AC_MSG_ERROR(unknown check category $check) ;;
384 if test x$ac_enable_checking != x ; then
385 AC_DEFINE(ENABLE_CHECKING, 1,
386 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
388 if test x$ac_gc_check_stringbytes != x ; then
389 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
390 [Define this temporarily to hunt a bug. If defined, the size of
391 strings is redundantly recorded in sdata structures so that it can
392 be compared to the sizes recorded in Lisp strings.])
394 if test x$ac_gc_check_string_overrun != x ; then
395 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
396 [Define this to check for short string overrun.])
398 if test x$ac_gc_check_string_free_list != x ; then
399 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
400 [Define this to check the string free list.])
402 if test x$ac_xmalloc_overrun != x ; then
403 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
404 [Define this to check for malloc buffer overrun.])
406 if test x$ac_gc_check_cons_list != x ; then
407 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
408 [Define this to check for errors in cons list.])
410 if test x$ac_glyphs_debug != x ; then
411 AC_DEFINE(GLYPH_DEBUG, 1,
412 [Define this to enable glyphs debugging code.])
415 AC_ARG_ENABLE(check-lisp-object-type,
416 [AS_HELP_STRING([--enable-check-lisp-object-type],
417 [enable compile time checks for the Lisp_Object data type.
418 This is useful for development for catching certain types of bugs.])],
419 if test "${enableval}" != "no"; then
420 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
421 [Define this to enable compile time checks for the Lisp_Object data type.])
425 dnl The name of this option is unfortunate. It predates, and has no
426 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
427 dnl Actually, it stops it working.
428 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
429 AC_ARG_ENABLE(profiling,
430 [AS_HELP_STRING([--enable-profiling],
431 [build emacs with low-level, gprof profiling support.
432 Mainly useful for debugging Emacs itself. May not work on
433 all platforms. Stops profiler.el working.])],
434 [ac_enable_profiling="${enableval}"],[])
435 if test x$ac_enable_profiling != x ; then
436 PROFILING_CFLAGS="-DPROFILING=1 -pg"
440 AC_SUBST(PROFILING_CFLAGS)
442 AC_ARG_ENABLE(autodepend,
443 [AS_HELP_STRING([--enable-autodepend],
444 [automatically generate dependencies to .h-files.
445 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
447 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
449 AC_ARG_ENABLE(gtk-deprecation-warnings,
450 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
451 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
452 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
454 ### Canonicalize the configuration name.
458 configuration=${host_alias-${build_alias-$host}}
460 dnl This used to use changequote, but, apart from `changequote is evil'
461 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
462 dnl the great gob of text. Thus it's not processed for possible expansion.
463 dnl Just make sure the brackets remain balanced.
465 dnl Since Emacs can't find matching pairs of quotes, boundaries are
466 dnl indicated by comments.
470 ### If you add support for a new configuration, add code to this
471 ### switch statement to recognize your configuration name and select
472 ### the appropriate opsys.
474 ### As far as handling version numbers on operating systems is
475 ### concerned, make sure things will fail in a fixable way. If
476 ### /etc/MACHINES doesn't say anything about version numbers, be
477 ### prepared to handle anything reasonably. If version numbers
478 ### matter, be sure /etc/MACHINES says something about it.
481 case "${canonical}" in
483 ## GNU/Linux and similar ports
498 ## FreeBSD kernel + glibc based userland
509 *-*-openbsd* | *-*-mirbsd* )
513 ## Apple Darwin / Mac OS X
515 case "${canonical}" in
522 ## Use fink packages if available.
523 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
524 ## if test -d /sw/include && test -d /sw/lib; then
525 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
526 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
535 ## HP 9000 series 700 and 800, running HP/UX
539 hppa*-hp-hpux1[1-9]* )
541 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
545 rs6000-ibm-aix4.[23]* )
548 powerpc-ibm-aix4.[23]* )
551 rs6000-ibm-aix[56]* )
554 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
558 ## Silicon Graphics machines
562 # Without defining _LANGUAGE_C, things get masked out in the headers
563 # so that, for instance, grepping for `free' in stdlib.h fails and
564 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
565 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
570 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
571 | x86_64-*-solaris2* | x86_64-*-sunos5*)
572 case "${canonical}" in
574 amd64-*-*|x86_64-*-*) ;;
578 case "${canonical}" in
579 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
581 emacs_check_sunpro_c=yes
583 *-sunos5.6* | *-solaris2.6* )
587 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
589 emacs_check_sunpro_c=yes
592 ## Watch out for a compiler that we know will not work.
593 case "${canonical}" in
594 *-solaris* | *-sunos5* )
595 if [ "x$CC" = x/usr/ucb/cc ]; then
596 ## /usr/ucb/cc doesn't work;
597 ## we should find some other compiler that does work.
605 ## Intel 386 machines where we don't care about the manufacturer.
607 case "${canonical}" in
608 *-darwin* ) opsys=darwin ;;
611 # MinGW overrides and adds some system headers in nt/inc.
612 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
614 *-sysv4.2uw* ) opsys=unixware ;;
615 *-sysv5uw* ) opsys=unixware ;;
616 *-sysv5OpenUNIX* ) opsys=unixware ;;
617 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
623 case "${canonical}" in
626 # MinGW overrides and adds some system headers in nt/inc.
627 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
629 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
638 ### If the code above didn't choose an operating system, just choose
639 ### an operating system based on the configuration name. You really
640 ### only want to use this when you have no idea what the right
641 ### operating system is; if you know what operating systems a machine
642 ### runs, it's cleaner to make it explicit in the case statement
644 if test x"${opsys}" = x; then
645 case "${canonical}" in
646 *-gnu* ) opsys=gnu ;;
656 if test $unported = yes; then
657 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
658 If you think it should, please send a report to bug-gnu-emacs@gnu.org.
659 Check `etc/MACHINES' for recognized configuration names.])
663 #### Choose a compiler.
665 dnl Sets GCC=yes if using gcc.
666 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
667 if test -n "$XCRUN"; then
668 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
669 test -n "$AR" && export AR
674 if test x$GCC = xyes; then
675 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
677 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
680 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
681 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
682 dnl that clash with MinGW.
683 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
685 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
686 AC_DEFUN([gl_CRYPTO_CHECK])
687 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
688 # as we don't use them.
689 AC_DEFUN([gl_FCNTL_O_FLAGS])
690 # Avoid gnulib's threadlib module, as we do threads our own way.
691 AC_DEFUN([gl_THREADLIB])
693 # Initialize gnulib right after choosing the compiler.
694 dnl Amongst other things, this sets AR and ARFLAGS.
697 if test "$ac_test_CFLAGS" != set; then
698 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
699 # if -g3 works and the user does not specify CFLAGS.
700 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
703 emacs_g3_CFLAGS='-g3';;
705 emacs_g3_CFLAGS='-g3 -O2';;
709 if test -n "$emacs_g3_CFLAGS"; then
710 emacs_save_CFLAGS=$CFLAGS
711 CFLAGS=$emacs_g3_CFLAGS
712 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
713 [emacs_cv_prog_cc_g3],
714 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
715 [emacs_cv_prog_cc_g3=yes],
716 [emacs_cv_prog_cc_g3=no])])
717 if test $emacs_cv_prog_cc_g3 != yes; then
718 CFLAGS=$emacs_save_CFLAGS
720 if test $opsys = mingw32; then
721 CFLAGS="$CFLAGS -gdwarf-2"
728 # No optimization flag was inferred for this non-GCC compiler.
729 # Try -O. This is needed for xlc on AIX; see Bug#14258.
730 emacs_save_CFLAGS=$CFLAGS
731 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
733 AC_CACHE_CHECK([whether $CC accepts -O],
734 [emacs_cv_prog_cc_o],
735 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
736 [emacs_cv_prog_cc_o=yes],
737 [emacs_cv_prog_cc_o=no])])
738 if test $emacs_cv_prog_cc_o != yes; then
739 CFLAGS=$emacs_save_CFLAGS
744 AC_ARG_ENABLE([gcc-warnings],
745 [AS_HELP_STRING([--enable-gcc-warnings],
746 [turn on lots of GCC warnings/errors. This is intended for
747 developers, and may generate false alarms when used
748 with older or non-GNU development tools.])],
751 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
753 gl_gcc_warnings=$enableval],
757 AC_ARG_ENABLE(link-time-optimization,
758 [AS_HELP_STRING([--enable-link-time-optimization],
759 [build emacs with link-time optimization.
760 This is supported only for GCC since 4.5.0.])],
761 if test "${enableval}" != "no"; then
762 AC_MSG_CHECKING([whether link-time optimization is supported])
764 if test x$GCC = xyes; then
765 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
766 if test x$CPUS != x; then
772 CFLAGS="$CFLAGS $LTO"
773 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
774 [ac_lto_supported=yes], [ac_lto_supported=no])
777 AC_MSG_RESULT([$ac_lto_supported])
778 if test "$ac_lto_supported" = "yes"; then
779 CFLAGS="$CFLAGS $LTO"
780 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
781 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
782 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
783 dnl dump core on Fedora 20, so play it safe for now.
784 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
785 [CFLAGS="$CFLAGS -ffat-lto-objects"])
789 # clang is unduly picky about some things.
790 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
797 [emacs_cv_clang=yes],
798 [emacs_cv_clang=no])])
800 # When compiling with GCC, prefer -isystem to -I when including system
801 # include files, to avoid generating useless diagnostics for the files.
802 if test "$gl_gcc_warnings" != yes; then
804 if test "$emacs_cv_clang" = yes
806 # Turn off some warnings if supported.
807 gl_WARN_ADD([-Wno-switch])
808 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
809 gl_WARN_ADD([-Wno-pointer-sign])
814 # This, $nw, is the list of warnings we disable.
817 case $with_x_toolkit in
818 lucid | athena | motif)
819 # Old toolkits mishandle 'const'.
820 nw="$nw -Wwrite-strings"
823 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
826 AC_SUBST([WERROR_CFLAGS])
828 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
829 nw="$nw -Woverlength-strings" # Not a problem these days
830 nw="$nw -Wlogical-op" # any use of fwrite provokes this
831 nw="$nw -Wformat-nonliteral" # we do this a lot
832 nw="$nw -Wvla" # warnings in gettext.h
833 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
834 nw="$nw -Wswitch-default" # Too many warnings for now
835 nw="$nw -Winline" # OK to ignore 'inline'
836 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
837 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
838 # signed overflow has undefined behavior
839 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
840 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
841 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
843 # Emacs doesn't care about shadowing; see
844 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
847 # Emacs's use of alloca inhibits protecting the stack.
848 nw="$nw -Wstack-protector"
850 # The following line should be removable at some point.
851 nw="$nw -Wsuggest-attribute=pure"
853 # This part is merely for shortening the command line,
854 # since -Wno-FOO needs to be added below regardless.
855 nw="$nw -Wmissing-field-initializers"
857 nw="$nw -Wtype-limits"
858 nw="$nw -Wunused-parameter"
860 if test $emacs_cv_clang = yes; then
861 nw="$nw -Wcast-align"
864 gl_MANYWARN_ALL_GCC([ws])
865 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
869 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
870 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
871 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
872 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
873 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
874 gl_WARN_ADD([-Wno-format-nonliteral])
876 # In spite of excluding -Wlogical-op above, it is enabled, as of
877 # gcc 4.5.0 20090517.
878 gl_WARN_ADD([-Wno-logical-op])
880 # More things that clang is unduly picky about.
881 if test $emacs_cv_clang = yes; then
882 gl_WARN_ADD([-Wno-format-extra-args])
883 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
884 gl_WARN_ADD([-Wno-unused-command-line-argument])
885 gl_WARN_ADD([-Wno-unused-value])
888 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
889 AH_VERBATIM([FORTIFY_SOURCE],
890 [/* Enable compile-time and run-time bounds-checking, and some warnings,
891 without upsetting glibc 2.15+. */
892 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
893 # define _FORTIFY_SOURCE 2
896 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
898 # We use a slightly smaller set of warning options for lib/.
899 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
901 nw="$nw -Wunused-macros"
903 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
904 AC_SUBST([GNULIB_WARN_CFLAGS])
915 dnl Some other nice autoconf tests.
916 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
919 dnl if test "x$RANLIB" = x; then
924 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
925 dnl can be made to directories. This is not relevant for our usage, and
926 dnl excludes some cases that work fine for us. Eg MS Windows or files
927 dnl hosted on AFS, both examples where simple links work, but links to
928 dnl directories fail. We use a cut-down version instead.
931 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
932 rm -f conf$$ conf$$.file
934 LN_S_FILEONLY='cp -p'
936 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
937 dnl random program in the current directory.
938 if (echo >conf$$.file) 2>/dev/null; then
939 if ln -s conf$$.file conf$$ 2>/dev/null; then
940 if test "$opsys" = "mingw32"; then
941 LN_S_FILEONLY='/bin/ln -s'
943 LN_S_FILEONLY='ln -s'
945 elif ln conf$$.file conf$$ 2>/dev/null; then
946 if test "$opsys" = "mingw32"; then
947 LN_S_FILEONLY=/bin/ln
954 rm -f conf$$ conf$$.file
956 if test "$LN_S_FILEONLY" = "ln -s"; then
959 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
962 AC_SUBST(LN_S_FILEONLY)
965 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
966 dnl doesn't support links to directories, as in "ln file dir". But that
967 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
968 dnl executables at "make install" time.
969 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
970 dnl for more details.
971 if test "$opsys" = "mingw32"; then
975 dnl On some Debian versions, "install-info" prints irritating messages
976 dnl "This is not dpkg install-info anymore, but GNU install-info"
977 dnl if called via an absolute file name.
978 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
979 dnl Sadly some people may have an old ginstall-info installed on
980 dnl non-Debian systems, so we can't use this.
981 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
982 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
984 AC_PATH_PROG(INSTALL_INFO, install-info, :,
985 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
986 dnl Don't use GZIP, which is used by gzip for additional parameters.
987 AC_PATH_PROG(GZIP_PROG, gzip)
989 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
990 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
992 if test $opsys = gnu-linux; then
993 AC_PATH_PROG(PAXCTL, paxctl,,
994 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
995 if test "X$PAXCTL" != X; then
996 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
997 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
998 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
999 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1002 if test "${SETFATTR+set}" != set; then
1003 AC_CACHE_CHECK([for setfattr],
1004 [emacs_cv_prog_setfattr],
1006 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1007 emacs_cv_prog_setfattr=yes
1009 emacs_cv_prog_setfattr=no
1011 if test "$emacs_cv_prog_setfattr" = yes; then
1017 AC_SUBST([SETFATTR])
1021 ## Need makeinfo >= 4.7 (?) to build the manuals.
1022 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1023 dnl By this stage, configure has already checked for egrep and set EGREP,
1024 dnl or exited with an error if no egrep was found.
1025 if test "$MAKEINFO" != "no"; then
1027 $MAKEINFO --version 2> /dev/null |
1028 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1034 ## Makeinfo is unusual. For a released Emacs, the manuals are
1035 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1036 ## therefore in the category of "special tools" not normally required, which
1037 ## configure does not have to check for (eg autoconf itself).
1038 ## In a repository checkout on the other hand, the manuals are not included.
1039 ## So makeinfo is a requirement to build from the repository, and configure
1040 ## should test for it as it does for any other build requirement.
1041 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1042 ## with pre-built manuals, from a repository checkout.
1045 if test "$MAKEINFO" = "no"; then
1047 if test "x${with_makeinfo}" = "xno"; then
1049 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1050 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1051 source tree does not seem to have pre-built manuals in the `info' directory.
1052 Either install a suitable version of makeinfo, or re-run configure
1053 with the `--without-makeinfo' option to build without the manuals.] )
1056 AC_SUBST(HAVE_MAKEINFO)
1058 dnl Just so that there is only a single place we need to edit.
1060 INFO_OPTS=--no-split
1064 if test $opsys = mingw32; then
1065 DOCMISC_W32=efaq-w32
1069 AC_SUBST(DOCMISC_W32)
1071 dnl Add our options to ac_link now, after it is set up.
1073 if test x$GCC = xyes; then
1074 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1075 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1077 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1078 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1081 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1082 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1083 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1084 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1085 dnl if not built to support GNU ld.
1087 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1088 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1089 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1090 dnl Eg "make LDFLAGS=... all" could run into problems,
1091 dnl http://bugs.debian.org/684788
1092 dnl * unnecessary, since temacs is the only thing that actually needs it.
1093 dnl Indeed this is where it was originally, prior to:
1094 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1095 late_LDFLAGS="$LDFLAGS"
1096 if test x$GCC = xyes; then
1097 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1099 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1102 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1104 AC_MSG_CHECKING([for -znocombreloc])
1105 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1106 [AC_MSG_RESULT(yes)],
1107 LDFLAGS_NOCOMBRELOC=
1108 [AC_MSG_RESULT(no)])
1110 LDFLAGS="$late_LDFLAGS"
1112 AC_CACHE_CHECK([whether addresses are sanitized],
1113 [emacs_cv_sanitize_address],
1116 [[#ifndef __has_feature
1117 #define __has_feature(f) 0
1119 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1121 error "Addresses are not sanitized.";
1124 [emacs_cv_sanitize_address=yes],
1125 [emacs_cv_sanitize_address=no])])
1127 dnl The function dump-emacs will not be defined and temacs will do
1128 dnl (load "loadup") automatically unless told otherwise.
1129 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1131 your-opsys-here) CANNOT_DUMP=yes ;;
1134 if test "$CANNOT_DUMP" = "yes"; then
1135 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1136 elif test "$emacs_cv_sanitize_address" = yes; then
1137 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1140 AC_SUBST(CANNOT_DUMP)
1143 UNEXEC_OBJ=unexelf.o
1145 # MSDOS uses unexcoff.o
1147 UNEXEC_OBJ=unexaix.o
1153 UNEXEC_OBJ=unexmacosx.o
1156 UNEXEC_OBJ=unexhp9k800.o
1159 UNEXEC_OBJ=unexw32.o
1162 # Use the Solaris dldump() function, called from unexsol.c, to dump
1163 # emacs, instead of the generic ELF dump code found in unexelf.c.
1164 # The resulting binary has a complete symbol table, and is better
1165 # for debugging and other observability tools (debuggers, pstack, etc).
1167 # If you encounter a problem using dldump(), please consider sending
1168 # a message to the OpenSolaris tools-linking mailing list:
1169 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1171 # It is likely that dldump() works with older Solaris too, but this has
1172 # not been tested, so for now this change is for Solaris 10 or newer.
1173 UNEXEC_OBJ=unexsol.o
1180 ## Let `ld' find image libs and similar things in /usr/local/lib.
1181 ## The system compiler, GCC, has apparently been modified to not
1182 ## look there, contrary to what a stock GCC would do.
1183 ### It's not our place to do this. See bug#10313#17.
1184 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1189 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1190 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1194 ### It's not our place to do this. See bug#10313#17.
1195 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1200 ## Han Boetes <han@boetes.org> says this is necessary,
1201 ## otherwise Emacs dumps core on elf systems.
1202 LD_SWITCH_SYSTEM="-Z"
1205 AC_SUBST(LD_SWITCH_SYSTEM)
1207 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1209 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1210 ## which has not been defined yet. When this was handled with cpp,
1211 ## it was expanded to null when configure sourced the s/*.h file.
1212 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1213 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1214 ## (or somesuch), but because it is supposed to go at the _front_
1215 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1216 ## Compare with the gnu-linux case below, which added to the end
1217 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1218 ## LD_SWITCH_SYSTEM_TEMACS.
1221 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1228 AC_CHECK_DECL([__ELF__])
1229 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1230 ## With ELF, make sure that all common symbols get allocated to in the
1231 ## data section. Otherwise, the dump of temacs may miss variables in
1232 ## the shared library that have been initialized. For example, with
1233 ## GNU libc, __malloc_initialized would normally be resolved to the
1234 ## shared library's .bss section, which is fatal.
1235 if test "x$GCC" = "xyes"; then
1236 C_SWITCH_MACHINE="-fno-common"
1238 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1241 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1242 dnl albeit under the mistaken assumption that said file
1243 dnl was no longer used.
1244 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1248 AC_SUBST(C_SWITCH_MACHINE)
1250 AC_SUBST(UNEXEC_OBJ)
1253 ## Some programs in src produce warnings saying certain subprograms
1254 ## are too complex and need a MAXMEM value greater than 2000 for
1255 ## additional optimization. --nils@exp-math.uni-essen.de
1256 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1257 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1258 if test "$opsys" = "mingw32"; then
1259 case "$canonical" in
1260 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1261 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1264 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1265 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1266 AC_SUBST(C_SWITCH_SYSTEM)
1271 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1272 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1274 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1276 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1278 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1280 ## Motif needs -lgen.
1281 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1284 AC_SUBST(LIBS_SYSTEM)
1286 ### Make sure subsequent tests use flags consistent with the build flags.
1288 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1289 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1291 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1294 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1295 AC_DEFUN([AC_TYPE_SIZE_T])
1296 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1297 AC_DEFUN([AC_TYPE_UID_T])
1301 dnl Current possibilities handled by sed (aix4-2 -> aix,
1302 dnl gnu-linux -> gnu/linux, etc.):
1303 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1304 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1305 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1312 ## Adding -lm confuses the dynamic linker, so omit it.
1315 freebsd | dragonfly )
1316 SYSTEM_TYPE=berkeley-unix
1318 gnu-linux | gnu-kfreebsd )
1320 hpux10-20 | hpux11 )
1324 SYSTEM_TYPE=windows-nt
1326 dnl NB this may be adjusted below.
1328 SYSTEM_TYPE=berkeley-unix
1332 SYSTEM_TYPE=usg-unix-v
1338 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1339 [The type of system you are compiling for; sets `system-type'.])
1342 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1343 pre_PKG_CONFIG_LIBS=$LIBS
1345 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1347 dnl This function definition taken from Gnome 2.0
1348 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1349 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1350 dnl also defines GSTUFF_PKG_ERRORS on error
1351 AC_DEFUN([PKG_CHECK_MODULES], [
1354 if test "$PKG_CONFIG" = "no" ; then
1355 ifelse([$4], , [AC_MSG_ERROR([
1356 *** 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])
1358 PKG_CONFIG_MIN_VERSION=0.9.0
1359 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1360 AC_MSG_CHECKING(for $2)
1362 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1363 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1364 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1365 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1366 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1367 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1373 ## If we have a custom action on failure, don't print errors, but
1374 ## do set a variable so people can do so. Do it in a subshell
1375 ## to capture any diagnostics in invoking pkg-config.
1376 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1377 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1383 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1384 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1388 if test $succeeded = yes; then
1389 ifelse([$3], , :, [$3])
1391 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.])], [$4])
1396 if test "${with_sound}" != "no"; then
1397 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1398 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1399 have_sound_header=yes, [], [
1401 #define WIN32_LEAN_AND_MEAN
1402 #include <windows.h>
1405 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1406 AC_MSG_ERROR([OSS sound support requested but not found.])
1408 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1409 # Emulation library used on NetBSD.
1410 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1411 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1412 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1413 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1414 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1418 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1420 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1421 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1422 if test $HAVE_ALSA = yes; then
1423 SAVE_CFLAGS="$CFLAGS"
1425 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1426 LIBS="$ALSA_LIBS $LIBS"
1427 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1428 emacs_alsa_normal=yes,
1429 emacs_alsa_normal=no)
1430 if test "$emacs_alsa_normal" != yes; then
1431 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1432 [[snd_lib_error_set_handler (0);]])],
1433 emacs_alsa_subdir=yes,
1434 emacs_alsa_subdir=no)
1435 if test "$emacs_alsa_subdir" != yes; then
1436 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1438 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1441 CFLAGS="$SAVE_CFLAGS"
1443 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1444 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1445 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1446 elif test "${with_sound}" = "alsa"; then
1447 AC_MSG_ERROR([ALSA sound support requested but not found.])
1449 fi dnl with_sound = alsa|yes
1451 dnl Define HAVE_SOUND if we have sound support. We know it works and
1452 dnl compiles only on the specified platforms. For others, it
1453 dnl probably doesn't make sense to try.
1454 dnl FIXME So surely we should bypass this whole section if not using
1455 dnl one of these platforms?
1456 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1458 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1459 dnl Adjust the --with-sound help text if you change this.
1460 gnu-linux|freebsd|netbsd|mingw32)
1461 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1467 AC_SUBST(CFLAGS_SOUND)
1470 dnl checks for header files
1471 AC_CHECK_HEADERS_ONCE(
1475 sys/utsname.h pwd.h utmp.h util.h)
1477 AC_MSG_CHECKING(if personality LINUX32 can be set)
1478 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1479 emacs_cv_personality_linux32=yes,
1480 emacs_cv_personality_linux32=no)
1481 AC_MSG_RESULT($emacs_cv_personality_linux32)
1483 if test $emacs_cv_personality_linux32 = yes; then
1484 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1485 [Define to 1 if personality LINUX32 can be set.])
1488 dnl On Solaris 8 there's a compilation warning for term.h because
1489 dnl it doesn't define `bool'.
1490 AC_CHECK_HEADERS(term.h, , , -)
1492 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1494 if test $ac_cv_have_decl_sys_siglist != yes; then
1495 # For Tru64, at least:
1496 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1501 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1502 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1503 #if HAVE_SYS_SOCKET_H
1504 #include <sys/socket.h>
1506 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1507 #if HAVE_SYS_SOCKET_H
1508 #include <sys/socket.h>
1510 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1511 #if HAVE_SYS_SOCKET_H
1512 #include <sys/socket.h>
1515 dnl checks for structure members
1516 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1517 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1518 struct ifreq.ifr_addr,
1519 struct ifreq.ifr_addr.sa_len], , ,
1520 [AC_INCLUDES_DEFAULT
1521 #if HAVE_SYS_SOCKET_H
1522 #include <sys/socket.h>
1528 dnl Check for endianness.
1529 dnl AC_C_BIGENDIAN is done by gnulib.
1531 dnl check for Make feature
1532 dnl AC_PROG_MAKE_SET is done by Automake.
1537 dnl check for GNU Make if we have GCC and autodepend is on.
1538 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1539 AC_MSG_CHECKING([whether we are using GNU Make])
1541 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1542 if test "x$testval" != x; then
1545 ac_enable_autodepend=no
1547 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1548 if test $HAVE_GNU_MAKE = yes; then
1549 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1550 SAVE_CFLAGS="$CFLAGS"
1551 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1552 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1553 CFLAGS="$SAVE_CFLAGS"
1554 test -f deps.d || ac_enable_autodepend=no
1556 AC_MSG_RESULT([$ac_enable_autodepend])
1558 if test $ac_enable_autodepend = yes; then
1559 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1560 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1561 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1562 deps_frag=autodeps.mk
1565 deps_frag=$srcdir/src/$deps_frag
1568 AC_SUBST_FILE(deps_frag)
1571 lisp_frag=$srcdir/src/lisp.mk
1572 AC_SUBST_FILE(lisp_frag)
1575 dnl checks for operating system services
1576 AC_SYS_LONG_FILE_NAMES
1578 #### Choose a window system.
1580 ## We leave window_system equal to none if
1581 ## we end up building without one. Any new window system should
1582 ## set window_system to an appropriate value and add objects to
1583 ## window-system-specific substs.
1587 if test "$no_x" != yes; then
1591 LD_SWITCH_X_SITE_RPATH=
1592 if test "${x_libraries}" != NONE; then
1593 if test -n "${x_libraries}"; then
1594 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1595 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1597 x_default_search_path=""
1598 x_search_path=${x_libraries}
1599 if test -z "${x_search_path}"; then
1600 x_search_path=/usr/lib
1602 for x_library in `echo ${x_search_path}: | \
1603 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1605 ${x_library}/X11/%L/%T/%N%C%S:\
1606 ${x_library}/X11/%l/%T/%N%C%S:\
1607 ${x_library}/X11/%T/%N%C%S:\
1608 ${x_library}/X11/%L/%T/%N%S:\
1609 ${x_library}/X11/%l/%T/%N%S:\
1610 ${x_library}/X11/%T/%N%S"
1611 if test x"${x_default_search_path}" = x; then
1612 x_default_search_path=${x_search_path}
1614 x_default_search_path="${x_search_path}:${x_default_search_path}"
1618 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1620 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1621 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1624 if test x"${x_includes}" = x; then
1625 bitmapdir=/usr/include/X11/bitmaps
1627 # accumulate include directories that have X11 bitmap subdirectories
1629 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1630 if test -d "${bmd}/X11/bitmaps"; then
1631 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1633 if test -d "${bmd}/bitmaps"; then
1634 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1637 if test ${bmd_acc} != "dummyval"; then
1638 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1645 tmp_CPPFLAGS="$CPPFLAGS"
1646 tmp_CFLAGS="$CFLAGS"
1647 CPPFLAGS="$CPPFLAGS -x objective-c"
1648 CFLAGS="$CFLAGS -x objective-c"
1651 if test "${with_ns}" != no; then
1652 if test "${opsys}" = darwin; then
1654 ns_appdir=`pwd`/nextstep/Emacs.app
1655 ns_appbindir=${ns_appdir}/Contents/MacOS
1656 ns_appresdir=${ns_appdir}/Contents/Resources
1657 ns_appsrc=Cocoa/Emacs.base
1658 elif test -f $GNUSTEP_CONFIG_FILE; then
1660 ns_appdir=`pwd`/nextstep/Emacs.app
1661 ns_appbindir=${ns_appdir}
1662 ns_appresdir=${ns_appdir}/Resources
1663 ns_appsrc=GNUstep/Emacs.base
1664 dnl FIXME sourcing this several times in subshells seems inefficient.
1665 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1666 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1667 dnl I seemed to need these as well with GNUstep-startup 0.25.
1668 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1669 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1670 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1671 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1672 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1673 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1674 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1675 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1676 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1677 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1678 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1679 dnl If they had chosen to either define it or not, we could have
1680 dnl just used AC_CHECK_DECL here.
1681 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1682 emacs_cv_objc_exceptions,
1683 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1684 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1688 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1689 if test $emacs_cv_objc_exceptions = yes; then
1690 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1691 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1692 [Define if GNUstep uses ObjC exceptions.])
1693 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1697 dnl This is only used while we test the NS headers, it gets reset below.
1698 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1700 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1701 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1702 files are missing or cannot be compiled.])])
1705 if test "${NS_IMPL_COCOA}" = "yes"; then
1706 AC_MSG_CHECKING([for OSX 10.4 or newer])
1707 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1709 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1710 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1713 error "OSX 10.4 or newer required";
1717 ns_osx_have_104=yes,
1719 AC_MSG_RESULT([$ns_osx_have_104])
1721 if test $ns_osx_have_104 = no; then
1722 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1724 AC_MSG_CHECKING([for OSX 10.5 or newer])
1725 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1727 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1728 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1731 error "OSX 10.5 not found";
1735 ns_osx_have_105=yes,
1737 AC_MSG_RESULT([$ns_osx_have_105])
1738 if test $ns_osx_have_105 = yes; then
1739 macfont_file="macfont.o"
1742 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1744 ns_have_nsinteger=yes,
1745 ns_have_nsinteger=no)
1746 if test $ns_have_nsinteger = yes; then
1747 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1751 AC_SUBST(LIBS_GNUSTEP)
1753 INSTALL_ARCH_INDEP_EXTRA=install-etc
1754 ns_self_contained=no
1757 if test "${HAVE_NS}" = yes; then
1758 if test "$with_toolkit_scroll_bars" = "no"; then
1759 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1762 window_system=nextstep
1763 # set up packaging dirs
1764 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1765 ns_self_contained=yes
1766 prefix=${ns_appresdir}
1767 exec_prefix=${ns_appbindir}
1768 dnl This one isn't really used, only archlibdir is.
1769 libexecdir="\${ns_appbindir}/libexec"
1770 archlibdir="\${ns_appbindir}/libexec"
1771 etcdocdir="\${ns_appresdir}/etc"
1772 etcdir="\${ns_appresdir}/etc"
1773 dnl FIXME maybe set datarootdir instead.
1774 dnl That would also get applications, icons, man.
1775 infodir="\${ns_appresdir}/info"
1776 mandir="\${ns_appresdir}/man"
1777 lispdir="\${ns_appresdir}/lisp"
1778 INSTALL_ARCH_INDEP_EXTRA=
1781 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1783 CFLAGS="$tmp_CFLAGS"
1784 CPPFLAGS="$tmp_CPPFLAGS"
1785 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1786 AC_SUBST(ns_self_contained)
1788 AC_SUBST(NS_OBJC_OBJ)
1799 if test "${with_w32}" != no; then
1802 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1803 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1804 cannot be found.])])
1807 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1810 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1815 if test "${opsys}" = "mingw32"; then
1816 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1817 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1818 #include <windows.h>
1819 #include <usp10.h>]],
1820 [[PIMAGE_NT_HEADERS pHeader;
1821 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1822 [emacs_cv_w32api=yes
1825 AC_MSG_RESULT($emacs_cv_w32api)
1826 if test "${emacs_cv_w32api}" = "no"; then
1827 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1838 if test "${HAVE_W32}" = "yes"; then
1839 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1840 AC_CHECK_TOOL(WINDRES, [windres],
1841 [AC_MSG_ERROR([No resource compiler found.])])
1842 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1843 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1844 EMACSRES="emacs.res"
1845 case "$canonical" in
1846 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1847 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1849 if test "${opsys}" = "cygwin"; then
1850 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1851 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1852 # Tell the linker that emacs.res is an object (which we compile from
1853 # the rc file), not a linker script.
1854 W32_RES_LINK="-Wl,emacs.res"
1856 UPDATE_MANIFEST=update-game-score.exe.manifest
1857 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1858 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1859 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1860 W32_RES_LINK="\$(EMACSRES)"
1861 CLIENTRES="emacsclient.res"
1862 CLIENTW="emacsclientw\$(EXEEXT)"
1863 FIRSTFILE_OBJ=firstfile.o
1866 LIBS_ECLIENT="-lcomctl32"
1867 LIB_WSOCK32="-lwsock32"
1868 NTLIB="ntlib.$ac_objext"
1869 XARGS_LIMIT="-s 10000"
1875 AC_SUBST(EMACS_MANIFEST)
1876 AC_SUBST(UPDATE_MANIFEST)
1879 AC_SUBST(W32_RES_LINK)
1880 AC_SUBST(FIRSTFILE_OBJ)
1883 AC_SUBST(LIBS_ECLIENT)
1884 AC_SUBST(LIB_WSOCK32)
1886 AC_SUBST(XARGS_LIMIT)
1888 if test "${HAVE_W32}" = "yes"; then
1893 ## $window_system is now set to the window system we will
1896 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1897 # Too many warnings for now.
1899 nw="$nw -Wsuggest-attribute=const"
1900 nw="$nw -Wsuggest-attribute=noreturn"
1901 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1903 gl_WARN_ADD([-Wno-unused-variable])
1904 gl_WARN_ADD([-Wno-unused-but-set-variable])
1905 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1913 case "${window_system}" in
1918 case "${with_x_toolkit}" in
1919 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1920 motif ) USE_X_TOOLKIT=MOTIF ;;
1922 term_header=gtkutil.h
1923 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1924 dnl USE_X_TOOLKIT is set.
1925 USE_X_TOOLKIT=none ;;
1926 gtk2 ) with_gtk2=yes
1927 term_header=gtkutil.h
1928 USE_X_TOOLKIT=none ;;
1929 gtk3 ) with_gtk3=yes
1930 term_header=gtkutil.h
1931 USE_X_TOOLKIT=none ;;
1932 no ) USE_X_TOOLKIT=none ;;
1933 dnl If user did not say whether to use a toolkit, make this decision later:
1934 dnl use the toolkit if we have gtk, or X11R5 or newer.
1935 * ) USE_X_TOOLKIT=maybe ;;
1939 term_header=nsterm.h
1942 term_header=w32term.h
1946 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1947 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1948 if test "$HAVE_XSERVER" = true ||
1949 test -n "$DISPLAY" ||
1950 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1951 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1952 were found. You should install the relevant development files for X
1953 and for the toolkit you want, such as Gtk+ or Motif. Also make
1954 sure you have development files for image handling, i.e.
1955 tiff, gif, jpeg, png and xpm.
1956 If you are sure you want Emacs compiled without X window support, pass
1962 # Does the opsystem file prohibit the use of the GNU malloc?
1963 # Assume not, until told otherwise.
1967 [whether malloc is Doug Lea style],
1968 [emacs_cv_var_doug_lea_malloc],
1969 [emacs_cv_var_doug_lea_malloc=no
1970 dnl Hooks do not work with address sanitization.
1971 if test "$emacs_cv_sanitize_address" != yes; then
1974 [[#include <malloc.h>
1975 static void hook (void) {}]],
1976 [[malloc_set_state (malloc_get_state ());
1977 __after_morecore_hook = hook;
1978 __malloc_initialize_hook = hook;]])],
1979 [emacs_cv_var_doug_lea_malloc=yes])])
1981 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1983 system_malloc=$emacs_cv_sanitize_address
1985 ## darwin ld insists on the use of malloc routines in the System framework.
1986 darwin|sol2-10) system_malloc=yes ;;
1990 if test "${system_malloc}" = "yes"; then
1991 AC_DEFINE([SYSTEM_MALLOC], 1,
1992 [Define to 1 to use the system memory allocator, even if it is not
1996 (The GNU allocators don't work with this system configuration.)"
1999 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2000 VMLIMIT_OBJ=vm-limit.o
2002 AC_CHECK_HEADERS([sys/vlimit.h])
2003 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2006 [[extern char data_start[]; char ch;]],
2007 [[return data_start < &ch;]])],
2008 [emacs_cv_data_start=yes],
2009 [emacs_cv_data_start=no])])
2010 if test $emacs_cv_data_start = yes; then
2011 AC_DEFINE([HAVE_DATA_START], 1,
2012 [Define to 1 if data_start is the address of the start
2013 of the main data segment.])
2016 AC_SUBST(GMALLOC_OBJ)
2017 AC_SUBST(VMLIMIT_OBJ)
2019 if test "$doug_lea_malloc" = "yes" ; then
2020 if test "$GNU_MALLOC" = yes ; then
2022 (Using Doug Lea's new malloc from the GNU C Library.)"
2024 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2025 [Define to 1 if the system memory allocator is Doug Lea style,
2026 with malloc hooks and malloc_set_state.])
2028 ## Use mmap directly for allocating larger buffers.
2029 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2030 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2031 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2033 gnu*) REL_ALLOC=no ;;
2037 if test x"${REL_ALLOC}" = x; then
2038 REL_ALLOC=${GNU_MALLOC}
2041 use_mmap_for_buffers=no
2043 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2047 if test $use_mmap_for_buffers = yes; then
2048 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2052 LIBS="$LIBS_SYSTEM $LIBS"
2054 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
2055 AC_CHECK_LIB(dnet, dnet_ntoa)
2056 dnl This causes -lresolv to get used in subsequent tests,
2057 dnl which causes failures on some systems such as HPUX 9.
2058 dnl AC_CHECK_LIB(resolv, gethostbyname)
2060 dnl FIXME replace main with a function we actually want from this library.
2061 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2063 dnl Check if pthreads is available.
2065 AC_CHECK_HEADERS_ONCE(pthread.h)
2066 if test "$ac_cv_header_pthread_h"; then
2067 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2068 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2069 dnl testing for pthread_self if Emacs uses gmalloc.c.
2070 if test "$GMALLOC_OBJ" = gmalloc.o; then
2071 emacs_pthread_function=pthread_atfork
2073 emacs_pthread_function=pthread_self
2075 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
2077 if test "$HAVE_PTHREAD" = yes; then
2078 case "${canonical}" in
2080 *) LIB_PTHREAD="-lpthread"
2081 LIBS="$LIB_PTHREAD $LIBS" ;;
2083 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
2085 # Some systems optimize for single-threaded programs by default, and
2086 # need special flags to disable these optimizations. For example, the
2087 # definition of 'errno' in <errno.h>.
2090 AC_DEFINE([_REENTRANT], 1,
2091 [Define to 1 if your system requires this in multithreaded code.]);;
2093 AC_DEFINE([_THREAD_SAFE], 1,
2094 [Define to 1 if your system requires this in multithreaded code.]);;
2097 AC_SUBST([LIB_PTHREAD])
2099 AC_CHECK_LIB(pthreads, cma_open)
2101 ## Note: when using cpp in s/aix4.2.h, this definition depended on
2102 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
2103 ## the system file was sourced. Hence the value of LIBS_SYSTEM
2104 ## added to LIBS in configure would never contain the pthreads part,
2105 ## but the value used in Makefiles might. FIXME?
2107 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
2108 ## be harmless on older versions of X where it happens to exist.
2109 test "$opsys" = "aix4-2" && \
2110 test $ac_cv_lib_pthreads_cma_open = yes && \
2111 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2113 dnl Check for need for bigtoc support on IBM AIX
2117 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2119 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2120 *) gdb_cv_bigtoc=-bbigtoc ;;
2123 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2124 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2129 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2130 # used for the tests that follow. We set them back to REAL_CFLAGS and
2131 # REAL_CPPFLAGS later on.
2133 REAL_CFLAGS="$CFLAGS"
2134 REAL_CPPFLAGS="$CPPFLAGS"
2136 if test "${HAVE_X11}" = "yes"; then
2137 DEFS="$C_SWITCH_X_SITE $DEFS"
2138 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2140 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2141 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2143 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2144 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2145 # but it's more convenient here to set LD_RUN_PATH since this
2146 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2147 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2148 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2152 if test "${opsys}" = "gnu-linux"; then
2153 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2154 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2155 [[XOpenDisplay ("foo");]])],
2156 [xgnu_linux_first_failure=no],
2157 [xgnu_linux_first_failure=yes])
2158 if test "${xgnu_linux_first_failure}" = "yes"; then
2159 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2160 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2161 OLD_CPPFLAGS="$CPPFLAGS"
2163 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2164 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2165 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2166 LIBS="$LIBS -b i486-linuxaout"
2167 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2168 [[XOpenDisplay ("foo");]])],
2169 [xgnu_linux_second_failure=no],
2170 [xgnu_linux_second_failure=yes])
2171 if test "${xgnu_linux_second_failure}" = "yes"; then
2172 # If we get the same failure with -b, there is no use adding -b.
2173 # So take it out. This plays safe.
2174 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2175 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2176 CPPFLAGS="$OLD_CPPFLAGS"
2187 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2188 # header files included from there.
2189 AC_MSG_CHECKING(for Xkb)
2190 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2191 #include <X11/XKBlib.h>]],
2192 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2193 emacs_xkb=yes, emacs_xkb=no)
2194 AC_MSG_RESULT($emacs_xkb)
2195 if test $emacs_xkb = yes; then
2196 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2199 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2200 XScreenNumberOfScreen)
2203 if test "${window_system}" = "x11"; then
2204 AC_MSG_CHECKING(X11 version 6)
2205 AC_CACHE_VAL(emacs_cv_x11_version_6,
2206 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2207 [[#if XlibSpecificationRelease < 6
2210 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2211 if test $emacs_cv_x11_version_6 = yes; then
2212 AC_MSG_RESULT(6 or newer)
2213 AC_DEFINE(HAVE_X11R6, 1,
2214 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2215 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2216 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2220 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2221 [Define if you have usable X11R6-style XIM support.])
2225 AC_MSG_RESULT(before 6)
2230 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2232 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2233 if test "${with_rsvg}" != "no"; then
2234 RSVG_REQUIRED=2.11.0
2235 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2237 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2238 AC_SUBST(RSVG_CFLAGS)
2241 if test $HAVE_RSVG = yes; then
2242 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2243 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2244 # Windows loads librsvg dynamically
2245 if test "${opsys}" = "mingw32"; then
2248 LIBS="$RSVG_LIBS $LIBS"
2254 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2255 if test "${with_imagemagick}" != "no"; then
2256 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2257 ## 6.8.2 makes Emacs crash; see Bug#13867.
2258 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2259 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2260 AC_SUBST(IMAGEMAGICK_CFLAGS)
2261 AC_SUBST(IMAGEMAGICK_LIBS)
2263 if test $HAVE_IMAGEMAGICK = yes; then
2264 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2265 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2266 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2267 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2275 gtk_term_header=$term_header
2278 if test "${opsys}" != "mingw32"; then
2279 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2282 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2284 dnl Checks for libraries.
2285 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2286 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2287 AC_MSG_ERROR($GTK_PKG_ERRORS)
2289 if test "$pkg_check_gtk" = "yes"; then
2290 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2291 GTK_OBJ=emacsgtkfixed.o
2292 gtk_term_header=gtkutil.h
2293 USE_GTK_TOOLKIT="GTK3"
2294 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2295 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2296 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2297 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2298 [Define to 1 to disable Glib deprecation warnings.])
2302 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2306 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2309 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2311 dnl Checks for libraries.
2312 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2313 if test "$pkg_check_gtk" = "no" &&
2314 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2316 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2318 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2322 if test x"$pkg_check_gtk" = xyes; then
2325 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2326 CFLAGS="$CFLAGS $GTK_CFLAGS"
2327 LIBS="$GTK_LIBS $LIBS"
2328 dnl Try to compile a simple GTK program.
2329 AC_MSG_CHECKING([whether GTK compiles])
2333 [[/* Check the Gtk and Glib APIs. */
2334 #include <gtk/gtk.h>
2335 #include <glib-object.h>
2337 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2341 GtkSettings *gs = 0;
2342 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2343 strict C prohibits this. Use gtk_main_iteration to test that the
2344 libraries are there. */
2345 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2346 0, 0, 0, G_CALLBACK (callback), 0))
2347 gtk_main_iteration ();
2350 AC_MSG_RESULT([$GTK_COMPILES])
2351 if test "${GTK_COMPILES}" != "yes"; then
2353 if test "$USE_X_TOOLKIT" != "maybe"; then
2354 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2358 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2359 GTK_OBJ="gtkutil.o $GTK_OBJ"
2360 term_header=$gtk_term_header
2362 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2365 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2366 closing open displays. This is no problem if you just use
2367 one display, but if you use more than one and close one of them
2377 if test "${HAVE_GTK}" = "yes"; then
2379 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2380 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2381 if test "$with_toolkit_scroll_bars" != no; then
2382 with_toolkit_scroll_bars=yes
2385 dnl Check if we have the old file selection dialog declared and
2386 dnl in the link library. In 2.x it may be in the library,
2387 dnl but not declared if deprecated featured has been selected out.
2388 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2389 HAVE_GTK_FILE_SELECTION=no
2390 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2391 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2392 #include <gtk/gtk.h>])
2393 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2394 AC_CHECK_FUNCS(gtk_file_selection_new)
2397 dnl Same as above for gtk_handle_box.
2398 HAVE_GTK_HANDLE_BOX=no
2399 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2400 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2401 #include <gtk/gtk.h>])
2402 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2403 AC_CHECK_FUNCS(gtk_handle_box_new)
2406 dnl Same as above for gtk_tearoff_menu_item.
2407 HAVE_GTK_TEAROFF_MENU_ITEM=no
2408 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2409 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2410 #include <gtk/gtk.h>])
2411 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2412 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2415 dnl Check for functions introduced in 2.14 and later.
2416 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2417 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2418 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2419 gtk_orientable_set_orientation \
2420 gtk_window_set_has_resize_grip)
2422 term_header=gtkutil.h
2425 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2426 dnl other platforms.
2429 if test "${with_dbus}" = "yes"; then
2430 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2431 if test "$HAVE_DBUS" = yes; then
2432 LIBS="$LIBS $DBUS_LIBS"
2433 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2434 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2435 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2437 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2438 dbus_type_is_valid \
2439 dbus_validate_bus_name \
2440 dbus_validate_path \
2441 dbus_validate_interface \
2442 dbus_validate_member)
2448 dnl GSettings has been tested under GNU/Linux only.
2450 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2451 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2452 if test "$HAVE_GSETTINGS" = "yes"; then
2454 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2456 LIBS="$LIBS $GSETTINGS_LIBS"
2457 AC_MSG_CHECKING([whether GSettings is in gio])
2460 [[/* Check that gsettings really is present. */
2461 #include <glib-object.h>
2462 #include <gio/gio.h>
2465 GSettings *settings;
2466 GVariant *val = g_settings_get_value (settings, "");
2468 [], HAVE_GSETTINGS=no)
2469 AC_MSG_RESULT([$HAVE_GSETTINGS])
2471 if test "$HAVE_GSETTINGS" = "yes"; then
2472 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2473 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2474 SETTINGS_LIBS="$GSETTINGS_LIBS"
2481 dnl GConf has been tested under GNU/Linux only.
2482 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2484 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2485 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2486 if test "$HAVE_GCONF" = yes; then
2487 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2488 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2489 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2490 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2494 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2495 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2496 if test "$HAVE_GOBJECT" = "yes"; then
2497 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2498 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2500 SAVE_CFLAGS="$CFLAGS"
2502 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2503 LIBS="$SETTINGS_LIBS $LIBS"
2504 CFLAGS="$SAVE_CFLAGS"
2507 AC_SUBST(SETTINGS_CFLAGS)
2508 AC_SUBST(SETTINGS_LIBS)
2511 dnl SELinux is available for GNU/Linux only.
2514 if test "${with_selinux}" = "yes"; then
2515 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2516 if test "$HAVE_LIBSELINUX" = yes; then
2517 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2518 LIBSELINUX_LIBS=-lselinux
2521 AC_SUBST(LIBSELINUX_LIBS)
2525 if test "${with_gnutls}" = "yes" ; then
2526 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2527 if test "${HAVE_GNUTLS3}" = "yes"; then
2528 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2531 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2533 if test "${HAVE_GNUTLS}" = "yes"; then
2534 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2537 # Windows loads GnuTLS dynamically
2538 if test "${opsys}" = "mingw32"; then
2543 AC_SUBST(LIBGNUTLS_LIBS)
2544 AC_SUBST(LIBGNUTLS_CFLAGS)
2549 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2550 dnl a particular library. This doesn't make much sense?
2551 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2552 with_file_notification=no
2555 dnl MS Windows native file monitor is available for mingw32 only.
2556 case $with_file_notification,$opsys in
2557 w32,* | yes,mingw32)
2558 AC_CHECK_HEADER(windows.h)
2559 if test "$ac_cv_header_windows_h" = yes ; then
2560 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2561 NOTIFY_OBJ=w32notify.o
2562 NOTIFY_SUMMARY="yes (w32)"
2566 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2567 dnl has been added in glib 2.24. It has been tested under
2568 dnl GNU/Linux only. We take precedence over inotify, but this makes
2569 dnl only sense when glib has been compiled with inotify support. How
2571 case $with_file_notification,$NOTIFY_OBJ in
2573 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2574 if test "$HAVE_GFILENOTIFY" = "yes"; then
2575 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2576 NOTIFY_OBJ=gfilenotify.o
2577 NOTIFY_SUMMARY="yes -lgio (gfile)"
2581 dnl inotify is only available on GNU/Linux.
2582 case $with_file_notification,$NOTIFY_OBJ in
2584 AC_CHECK_HEADER(sys/inotify.h)
2585 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2586 AC_CHECK_FUNC(inotify_init1)
2587 if test "$ac_cv_func_inotify_init1" = yes; then
2588 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2589 NOTIFY_OBJ=inotify.o
2590 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2595 case $with_file_notification,$NOTIFY_OBJ in
2596 yes,* | no,* | *,?*) ;;
2597 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2600 if test -n "$NOTIFY_OBJ"; then
2601 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2603 AC_SUBST(NOTIFY_OBJ)
2604 AC_SUBST(GFILENOTIFY_CFLAGS)
2605 AC_SUBST(GFILENOTIFY_LIBS)
2607 dnl Do not put whitespace before the #include statements below.
2608 dnl Older compilers (eg sunos4 cc) choke on it.
2611 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2612 if test "$with_xaw3d" != no; then
2613 AC_CACHE_VAL(emacs_cv_xaw3d,
2614 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2615 #include <X11/Intrinsic.h>
2616 #include <X11/Xaw3d/Simple.h>]],
2618 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2619 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2620 emacs_cv_xaw3d=no)])
2624 if test $emacs_cv_xaw3d = yes; then
2625 AC_MSG_CHECKING(for xaw3d)
2626 AC_MSG_RESULT([yes; using Lucid toolkit])
2630 AC_DEFINE(HAVE_XAW3D, 1,
2631 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2633 AC_MSG_CHECKING(for xaw3d)
2635 AC_MSG_CHECKING(for libXaw)
2636 AC_CACHE_VAL(emacs_cv_xaw,
2637 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2638 #include <X11/Intrinsic.h>
2639 #include <X11/Xaw/Simple.h>]],
2643 if test $emacs_cv_xaw = yes; then
2644 AC_MSG_RESULT([yes; using Lucid toolkit])
2647 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2648 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2650 AC_MSG_ERROR([No X toolkit could be found.
2651 If you are sure you want Emacs compiled without an X toolkit, pass
2653 to configure. Otherwise, install the development libraries for the toolkit
2654 that you want to use (e.g. Gtk+) and re-run configure.])
2659 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2662 if test "${USE_X_TOOLKIT}" != "none"; then
2663 AC_MSG_CHECKING(X11 toolkit version)
2664 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2665 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2666 [[#if XtSpecificationRelease < 6
2669 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2670 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2671 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2672 AC_MSG_RESULT(6 or newer)
2673 AC_DEFINE(HAVE_X11XTR6, 1,
2674 [Define to 1 if you have the X11R6 or newer version of Xt.])
2675 LIBXTR6="-lSM -lICE"
2677 ## Use libw.a along with X11R6 Xt.
2678 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2681 AC_MSG_RESULT(before 6)
2684 dnl If using toolkit, check whether libXmu.a exists.
2685 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2687 if test x$HAVE_X11XTR6 = xyes; then
2688 LIBS="-lXt -lSM -lICE $LIBS"
2692 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2693 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2694 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2698 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2699 dnl Why not just test for libxmu in the normal way?
2702 ## These systems don't supply Xmu.
2704 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2712 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2713 if test "${HAVE_X11}" = "yes"; then
2714 if test "${USE_X_TOOLKIT}" != "none"; then
2715 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2720 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2721 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2722 if test -d /usr/include/openmotif; then
2723 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2724 emacs_cv_openmotif=yes
2725 case "$canonical" in
2726 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2727 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2730 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2733 emacs_cv_openmotif=no
2735 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2736 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2737 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2740 Motif version prior to 2.1.
2742 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2743 if test $emacs_cv_motif_version_2_1 = yes; then
2744 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2745 if test x$emacs_cv_openmotif = xyes; then
2746 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2749 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2750 # We put this in CFLAGS temporarily to precede other -I options
2751 # that might be in CFLAGS temporarily.
2752 # We put this in CPPFLAGS where it precedes the other -I options.
2753 OLD_CPPFLAGS=$CPPFLAGS
2755 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2756 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2757 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2759 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2760 if test $emacs_cv_lesstif = yes; then
2761 # Make sure this -I option remains in CPPFLAGS after it is set
2762 # back to REAL_CPPFLAGS.
2763 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2764 # have those other -I options anyway. Ultimately, having this
2765 # directory ultimately in CPPFLAGS will be enough.
2766 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2767 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2770 CPPFLAGS=$OLD_CPPFLAGS
2773 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2774 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2777 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2778 dnl using Motif or Xaw3d is available, and unless
2779 dnl --with-toolkit-scroll-bars=no was specified.
2781 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2782 [Define to 1 if we should use toolkit scroll bars.])dnl
2783 USE_TOOLKIT_SCROLL_BARS=no
2784 if test "${with_toolkit_scroll_bars}" != "no"; then
2785 if test "${USE_X_TOOLKIT}" != "none"; then
2786 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2787 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2789 USE_TOOLKIT_SCROLL_BARS=yes
2790 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2791 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2792 USE_TOOLKIT_SCROLL_BARS=yes
2794 elif test "${HAVE_GTK}" = "yes"; then
2795 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2796 USE_TOOLKIT_SCROLL_BARS=yes
2797 elif test "${HAVE_NS}" = "yes"; then
2798 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2799 USE_TOOLKIT_SCROLL_BARS=yes
2800 elif test "${HAVE_W32}" = "yes"; then
2801 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2802 USE_TOOLKIT_SCROLL_BARS=yes
2806 dnl See if XIM is available.
2807 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2808 #include <X11/Xlib.h>
2809 #include <X11/Xresource.h>]],
2810 [[XIMProc callback;]])],
2812 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2815 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2817 if test "${with_xim}" != "no"; then
2818 AC_DEFINE(USE_XIM, 1,
2819 [Define to 1 if we should use XIM, if it is available.])
2823 if test "${HAVE_XIM}" != "no"; then
2825 if test "$GCC" = yes; then
2826 CFLAGS="$CFLAGS --pedantic-errors"
2828 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2829 #include <X11/Xlib.h>
2830 #include <X11/Xresource.h>]],
2836 XPointer *client_data;
2838 /* If we're not using GCC, it's probably not XFree86, and this is
2839 probably right, but we can't use something like --pedantic-errors. */
2840 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2841 char*, XIMProc, XPointer*);
2843 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2845 [emacs_cv_arg6_star=yes])
2846 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2847 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2848 either XPointer or XPointer*.])dnl
2849 if test "$emacs_cv_arg6_star" = yes; then
2850 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2852 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2857 ### Start of font-backend (under any platform) section.
2858 # (nothing here yet -- this is a placeholder)
2859 ### End of font-backend (under any platform) section.
2861 ### Start of font-backend (under X11) section.
2862 if test "${HAVE_X11}" = "yes"; then
2863 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2865 ## Use -lXft if available, unless `--with-xft=no'.
2867 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2870 if test "x${with_xft}" != "xno"; then
2872 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2873 ## Because xftfont.c uses XRenderQueryExtension, we also
2874 ## need to link to -lXrender.
2876 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2877 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2878 OLD_CPPFLAGS="$CPPFLAGS"
2879 OLD_CFLAGS="$CFLAGS"
2881 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2882 CFLAGS="$CFLAGS $XFT_CFLAGS"
2883 XFT_LIBS="-lXrender $XFT_LIBS"
2884 LIBS="$XFT_LIBS $LIBS"
2885 AC_CHECK_HEADER(X11/Xft/Xft.h,
2886 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2887 [[#include <X11/X.h>]])
2889 if test "${HAVE_XFT}" = "yes"; then
2890 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2892 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2894 CPPFLAGS="$OLD_CPPFLAGS"
2895 CFLAGS="$OLD_CFLAGS"
2897 fi # "${HAVE_XFT}" = "yes"
2898 fi # "$HAVE_XFT" != no
2899 fi # "x${with_xft}" != "xno"
2901 ## We used to allow building with FreeType and without Xft.
2902 ## However, the ftx font backend driver is not in good shape.
2903 if test "$HAVE_XFT" != "yes"; then
2904 dnl For the "Does Emacs use" message at the end.
2908 dnl Strict linkers fail with
2909 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2910 dnl if -lfreetype is not specified.
2911 dnl The following is needed to set FREETYPE_LIBS.
2912 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2915 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2919 if test "${HAVE_FREETYPE}" = "yes"; then
2920 AC_DEFINE(HAVE_FREETYPE, 1,
2921 [Define to 1 if using the freetype and fontconfig libraries.])
2922 if test "${with_libotf}" != "no"; then
2923 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2925 if test "$HAVE_LIBOTF" = "yes"; then
2926 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2927 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2928 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2929 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2930 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2931 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2932 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2936 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2937 dnl Does the new font backend require it, or can it work without it?
2941 if test "${HAVE_LIBOTF}" = yes; then
2942 if test "${with_m17n_flt}" != "no"; then
2943 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2944 if test "$HAVE_M17N_FLT" = "yes"; then
2945 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2956 ### End of font-backend (under X11) section.
2958 AC_SUBST(FREETYPE_CFLAGS)
2959 AC_SUBST(FREETYPE_LIBS)
2960 AC_SUBST(FONTCONFIG_CFLAGS)
2961 AC_SUBST(FONTCONFIG_LIBS)
2962 AC_SUBST(LIBOTF_CFLAGS)
2963 AC_SUBST(LIBOTF_LIBS)
2964 AC_SUBST(M17N_FLT_CFLAGS)
2965 AC_SUBST(M17N_FLT_LIBS)
2967 ### Use -lXpm if available, unless `--with-xpm=no'.
2968 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2971 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2972 if test "${with_xpm}" != "no"; then
2973 SAVE_CPPFLAGS="$CPPFLAGS"
2974 SAVE_LDFLAGS="$LDFLAGS"
2975 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2976 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2977 AC_CHECK_HEADER(X11/xpm.h,
2978 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2979 if test "${HAVE_XPM}" = "yes"; then
2980 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2981 AC_EGREP_CPP(no_return_alloc_pixels,
2982 [#include "X11/xpm.h"
2983 #ifndef XpmReturnAllocPixels
2984 no_return_alloc_pixels
2986 ], HAVE_XPM=no, HAVE_XPM=yes)
2988 if test "${HAVE_XPM}" = "yes"; then
2989 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2993 CPPFLAGS="$SAVE_CPPFLAGS"
2994 LDFLAGS="$SAVE_LDFLAGS"
2999 if test "${HAVE_XPM}" = "yes"; then
3000 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3005 if test "${HAVE_X11}" = "yes"; then
3006 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3007 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3009 if test "${with_xpm}" != "no"; then
3010 AC_CHECK_HEADER(X11/xpm.h,
3011 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3012 if test "${HAVE_XPM}" = "yes"; then
3013 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3014 AC_EGREP_CPP(no_return_alloc_pixels,
3015 [#include "X11/xpm.h"
3016 #ifndef XpmReturnAllocPixels
3017 no_return_alloc_pixels
3019 ], HAVE_XPM=no, HAVE_XPM=yes)
3021 if test "${HAVE_XPM}" = "yes"; then
3029 if test "${HAVE_XPM}" = "yes"; then
3030 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3032 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3033 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3038 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3039 ### slightly different requirements wrt image libraries (it doesn't
3040 ### use -lXpm because it loads the xpm shared library dynamically at
3042 if test "${opsys}" = "mingw32"; then
3043 if test "${with_xpm}" != "no"; then
3044 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3048 if test "${HAVE_XPM}" = "yes"; then
3049 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3055 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3056 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3059 if test "${opsys}" = "mingw32"; then
3060 if test "${with_jpeg}" != "no"; then
3061 dnl Checking for jpeglib.h can lose because of a redefinition of
3063 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3065 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3066 if test "${HAVE_JPEG}" = "yes"; then
3067 AC_DEFINE(HAVE_JPEG)
3068 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3069 [#include <jpeglib.h>
3070 version=JPEG_LIB_VERSION
3072 [AC_DEFINE(HAVE_JPEG)],
3073 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3076 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3077 if test "${with_jpeg}" != "no"; then
3078 dnl Checking for jpeglib.h can lose because of a redefinition of
3080 AC_CHECK_HEADER(jerror.h,
3081 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3084 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3085 if test "${HAVE_JPEG}" = "yes"; then
3086 AC_DEFINE(HAVE_JPEG)
3087 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3088 [#include <jpeglib.h>
3089 version=JPEG_LIB_VERSION
3091 [AC_DEFINE(HAVE_JPEG)],
3092 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3095 if test "${HAVE_JPEG}" = "yes"; then
3101 ### Use -lpng if available, unless `--with-png=no'.
3102 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
3105 if test "${opsys}" = "mingw32"; then
3106 if test "${with_png}" != "no"; then
3107 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
3109 if test "${HAVE_PNG}" = "yes"; then
3110 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3112 AC_CHECK_DECL(png_longjmp,
3114 [AC_DEFINE(PNG_DEPSTRUCT, [],
3115 [Define to empty to suppress deprecation warnings when building
3116 with --enable-gcc-warnings and with libpng versions before 1.5,
3117 which lack png_longjmp.])],
3118 [[#ifdef HAVE_LIBPNG_PNG_H
3119 # include <libpng/png.h>
3125 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3126 if test "${with_png}" != "no"; then
3127 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3128 # in /usr/include/libpng.
3129 AC_CHECK_HEADERS(png.h libpng/png.h, break)
3130 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
3131 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3135 if test "${HAVE_PNG}" = "yes"; then
3136 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library.])
3138 dnl Some systems, eg NetBSD 6, only provide eg "libpng16", not "libpng".
3139 lpng=`libpng-config --libs 2> /dev/null`
3144 LIBPNG="$lpng -lz -lm"
3146 AC_CHECK_DECL(png_longjmp,
3148 [AC_DEFINE(PNG_DEPSTRUCT, [],
3149 [Define to empty to suppress deprecation warnings when building
3150 with --enable-gcc-warnings and with libpng versions before 1.5,
3151 which lack png_longjmp.])],
3152 [[#ifdef HAVE_LIBPNG_PNG_H
3153 # include <libpng/png.h>
3164 if test "${with_zlib}" != "no"; then
3166 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3168 case $ac_cv_search_inflateEnd in
3169 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3172 if test "${HAVE_ZLIB}" = "yes"; then
3173 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3174 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3175 if test "${opsys}" = "mingw32"; then
3182 ### Use -ltiff if available, unless `--with-tiff=no'.
3183 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3186 if test "${opsys}" = "mingw32"; then
3187 if test "${with_tiff}" != "no"; then
3188 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3190 if test "${HAVE_TIFF}" = "yes"; then
3191 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3193 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3194 if test "${with_tiff}" != "no"; then
3195 AC_CHECK_HEADER(tiffio.h,
3197 # At least one tiff package requires the jpeg library.
3198 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3199 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3202 if test "${HAVE_TIFF}" = "yes"; then
3203 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3204 dnl FIXME -lz -lm, as per libpng?
3210 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3211 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3214 if test "${opsys}" = "mingw32"; then
3215 if test "${with_gif}" != "no"; then
3216 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3218 if test "${HAVE_GIF}" = "yes"; then
3219 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3221 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3222 || test "${HAVE_W32}" = "yes"; then
3223 AC_CHECK_HEADER(gif_lib.h,
3224 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3225 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3226 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3227 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3229 if test "$HAVE_GIF" = yes; then
3231 elif test "$HAVE_GIF" = maybe; then
3232 # If gif_lib.h but no libgif, try libungif.
3233 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3234 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3237 if test "${HAVE_GIF}" = "yes"; then
3238 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3243 dnl Check for required libraries.
3244 if test "${HAVE_X11}" = "yes"; then
3247 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3248 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3249 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3250 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3251 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3252 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3253 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3254 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3255 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3256 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3258 if test "X${MISSING}" != X; then
3259 AC_MSG_ERROR([The following required libraries were not found:
3261 Maybe some development libraries/packages are missing?
3262 If you don't want to link with them give
3264 as options to configure])
3268 ### Use -lgpm if available, unless `--with-gpm=no'.
3271 if test "${with_gpm}" != "no"; then
3272 AC_CHECK_HEADER(gpm.h,
3273 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3275 if test "${HAVE_GPM}" = "yes"; then
3276 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3282 dnl Check for malloc/malloc.h on darwin
3283 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3286 ### Use NeXTstep API to implement GUI.
3287 if test "${HAVE_NS}" = "yes"; then
3288 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3289 if test "${NS_IMPL_COCOA}" = "yes"; then
3290 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3292 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3293 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3294 # See also .m.o rule in Makefile.in */
3295 # FIXME: are all these flags really needed? Document here why. */
3296 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3297 ## Extra CFLAGS applied to src/*.m files.
3298 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3303 ### Use session management (-lSM -lICE) if available
3306 if test "${HAVE_X11}" = "yes"; then
3307 AC_CHECK_HEADER(X11/SM/SMlib.h,
3308 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3310 if test "${HAVE_X_SM}" = "yes"; then
3311 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3315 *) LIBS="$LIBXSM $LIBS" ;;
3321 ### Use XRandr (-lXrandr) if available
3323 if test "${HAVE_X11}" = "yes"; then
3324 XRANDR_REQUIRED=1.2.2
3325 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3326 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3327 if test $HAVE_XRANDR = no; then
3328 # Test old way in case pkg-config doesn't have it (older machines).
3329 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3330 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3331 if test $HAVE_XRANDR = yes; then
3332 XRANDR_LIBS=-lXrandr
3333 AC_SUBST(XRANDR_LIBS)
3336 if test $HAVE_XRANDR = yes; then
3337 SAVE_CFLAGS="$CFLAGS"
3339 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3340 LIBS="$XRANDR_LIBS $LIBS"
3341 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3342 CFLAGS="$SAVE_CFLAGS"
3345 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3349 ### Use Xinerama (-lXinerama) if available
3351 if test "${HAVE_X11}" = "yes"; then
3352 XINERAMA_REQUIRED=1.0.2
3353 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3354 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3356 if test $HAVE_XINERAMA = no; then
3357 # Test old way in case pkg-config doesn't have it (older machines).
3358 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3359 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3360 if test $HAVE_XINERAMA = yes; then
3361 XINERAMA_LIBS=-lXinerama
3362 AC_SUBST(XINERAMA_LIBS)
3365 if test $HAVE_XINERAMA = yes; then
3366 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3371 ### Use libxml (-lxml2) if available
3372 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3374 if test "${with_xml2}" != "no"; then
3375 ### I'm not sure what the version number should be, so I just guessed.
3376 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3377 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3378 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3379 SAVE_CPPFLAGS="$CPPFLAGS"
3380 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3381 AC_CHECK_HEADER(libxml/HTMLparser.h,
3382 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3383 [#include <libxml/HTMLparser.h>])])
3384 CPPFLAGS="$SAVE_CPPFLAGS"
3385 if test "${HAVE_LIBXML2}" = "yes"; then
3386 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3387 LIBXML2_LIBS="-lxml2"
3390 if test "${HAVE_LIBXML2}" = "yes"; then
3391 if test "${opsys}" != "mingw32"; then
3392 LIBS="$LIBXML2_LIBS $LIBS"
3393 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3397 if test "${HAVE_LIBXML2}" = "yes"; then
3398 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3405 AC_SUBST(LIBXML2_LIBS)
3406 AC_SUBST(LIBXML2_CFLAGS)
3408 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3409 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3410 if test "${opsys}" = "mingw32"; then
3411 emacs_cv_netdb_declares_h_errno=yes
3413 AC_CACHE_CHECK(whether netdb declares h_errno,
3414 emacs_cv_netdb_declares_h_errno,
3415 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3416 [[return h_errno;]])],
3417 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3418 if test $emacs_cv_netdb_declares_h_errno = yes; then
3419 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3422 # sqrt and other floating-point functions such as fmod and frexp
3423 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3424 if test "${opsys}" != "mingw32"; then
3425 AC_CHECK_LIB(m, sqrt)
3428 # Check for mail-locking functions in a "mail" library. Probably this should
3429 # have the same check as for liblockfile below.
3430 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3431 if test $have_mail = yes; then
3433 LIBS="$LIBS_MAIL $LIBS"
3434 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3438 dnl Debian, at least:
3439 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3440 if test $have_lockfile = yes; then
3441 LIBS_MAIL=-llockfile
3442 LIBS="$LIBS_MAIL $LIBS"
3443 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3445 # If we have the shared liblockfile, assume we must use it for mail
3446 # locking (e.g. Debian). If we couldn't link against liblockfile
3447 # (no liblockfile.a installed), ensure that we don't need to.
3448 dnl This works for files generally, not just executables.
3449 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3450 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3451 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3452 if test $ac_cv_prog_liblockfile = yes; then
3453 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3454 This probably means that movemail could lose mail.
3455 There may be a `development' package to install containing liblockfile.])
3458 AC_CHECK_HEADERS_ONCE(maillock.h)
3461 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3462 ## interlock access to the mail spool. The alternative is a lock file named
3463 ## /usr/spool/mail/$USER.lock.
3466 aix4-2) mail_lock="lockf" ;;
3468 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3470 ## On GNU/Linux systems, both methods are used by various mail programs.
3471 ## I assume most people are using newer mailers that have heard of flock.
3472 ## Change this if you need to.
3473 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3474 ## configure gets the right answers, and that means *NOT* using flock.
3475 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3476 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3477 ## Debian maintainer hasn't provided a clean fix for Emacs.
3478 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3479 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3480 ## correct logic. -- fx
3481 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3482 ## liblockfile is a Free Software replacement for libmail, used on
3483 ## Debian systems and elsewhere. -rfr.
3486 if test $have_mail = yes || test $have_lockfile = yes; then
3487 test $ac_cv_header_maillock_h = yes && mail_lock=no
3492 mail_lock="none-needed" ;;
3496 case "$mail_lock" in
3497 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3499 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3503 *) BLESSMAIL_TARGET="need-blessmail" ;;
3505 AC_SUBST(BLESSMAIL_TARGET)
3508 AC_CHECK_FUNCS(accept4 gethostname \
3509 getrusage get_current_dir_name \
3511 select getpagesize setlocale \
3512 getrlimit setrlimit shutdown getaddrinfo \
3513 strsignal setitimer \
3514 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3515 gai_strerror getline getdelim sync \
3516 getpwent endpwent getgrent endgrent \
3518 cfmakeraw cfsetspeed copysign __executable_start log2)
3520 dnl No need to check for aligned_alloc and posix_memalign if using
3521 dnl gmalloc.o, as it supplies them. Don't use these functions on
3522 dnl Darwin as they are incompatible with unexmacosx.c.
3523 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3524 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3527 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3528 ## has a broken `rint' in some library versions including math library
3529 ## version number A.09.05.
3530 ## You can fix the math library by installing patch number PHSS_4630.
3531 ## But we can fix it more reliably for Emacs by just not using rint.
3532 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3535 *) AC_CHECK_FUNCS(random rint) ;;
3538 dnl Cannot use AC_CHECK_FUNCS
3539 AC_CACHE_CHECK([for __builtin_unwind_init],
3540 emacs_cv_func___builtin_unwind_init,
3541 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3542 emacs_cv_func___builtin_unwind_init=yes,
3543 emacs_cv_func___builtin_unwind_init=no)])
3544 if test $emacs_cv_func___builtin_unwind_init = yes; then
3545 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3546 [Define to 1 if you have the `__builtin_unwind_init' function.])
3549 AC_CHECK_HEADERS_ONCE(sys/un.h)
3554 AC_CHECK_FUNCS(grantpt)
3556 # PTY-related GNU extensions.
3557 AC_CHECK_FUNCS(getpt posix_openpt)
3559 # Check this now, so that we will NOT find the above functions in ncurses.
3560 # That is because we have not set up to link ncurses in lib-src.
3561 # It's better to believe a function is not available
3562 # than to expect to find it in ncurses.
3563 # Also we need tputs and friends to be able to build at all.
3564 AC_MSG_CHECKING([for library containing tputs])
3565 # Run a test program that contains a call to tputs, a call that is
3566 # never executed. This tests whether a pre-'main' dynamic linker
3567 # works with the library. It's too much trouble to actually call
3568 # tputs in the test program, due to portability hassles. When
3569 # cross-compiling, assume the test program will run if it links.
3570 AC_DEFUN([tputs_link_source], [
3572 [[extern void tputs (const char *, int, int (*)(int));
3573 int main (int argc, char **argv)
3576 tputs (argv[0], 0, 0);
3580 if test "${opsys}" = "mingw32"; then
3583 # Maybe curses should be tried earlier?
3584 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3585 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3587 if test -z "$tputs_library"; then
3591 LIBS_TERMCAP=-l$tputs_library
3593 LIBS="$LIBS_TERMCAP $LIBS"
3595 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3596 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3598 if test "X$msg" != Xno; then
3603 AC_MSG_RESULT([$msg])
3604 if test "X$msg" = Xno; then
3605 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3606 The following libraries were tried (in order):
3607 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3608 Please try installing whichever of these libraries is most appropriate
3609 for your system, together with its header files.
3610 For example, a libncurses-dev(el) or similar package.])
3613 ## Use termcap instead of terminfo?
3614 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3616 ## FIXME? In the cases below where we unconditionally set
3617 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3618 ## if that was found above to have tputs.
3619 ## Should we use the gnu* logic everywhere?
3621 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3622 ## The ncurses library has been moved out of the System framework in
3623 ## Mac OS X 10.2. So if configure detects it, set the command-line
3624 ## option to use it.
3625 darwin) LIBS_TERMCAP="-lncurses" ;;
3627 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3630 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3631 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3632 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3633 [[#if __FreeBSD_version < 400000
3636 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3638 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3640 if test $emacs_cv_freebsd_terminfo = yes; then
3641 LIBS_TERMCAP="-lncurses"
3644 LIBS_TERMCAP="-ltermcap"
3654 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3656 LIBS_TERMCAP="-ltermcap"
3660 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3662 ## hpux: Make sure we get select from libc rather than from libcurses
3663 ## because libcurses on HPUX 10.10 has a broken version of select.
3664 ## We used to use -lc -lcurses, but this may be cleaner.
3665 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3666 # set that way, now it uses the default). Isn't this a contradiction?
3667 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3671 TERMCAP_OBJ=tparam.o
3672 if test $TERMINFO = yes; then
3673 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3674 TERMCAP_OBJ=terminfo.o
3676 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3677 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3679 AC_SUBST(LIBS_TERMCAP)
3680 AC_SUBST(TERMCAP_OBJ)
3683 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3684 # On Darwin, res_init appears not to be useful: see bug#562 and
3685 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3688 if test $opsys != darwin; then
3690 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3691 #include <arpa/nameser.h>
3692 #include <resolv.h>]],
3693 [[return res_init();]])],
3694 have_res_init=yes, have_res_init=no)
3695 if test "$have_res_init" = no; then
3697 LIBS="$LIBS -lresolv"
3698 AC_MSG_CHECKING(for res_init with -lresolv)
3699 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3700 #include <arpa/nameser.h>
3701 #include <resolv.h>]],
3702 [[return res_init();]])],
3703 have_res_init=yes, have_res_init=no)
3704 AC_MSG_RESULT($have_res_init)
3705 if test "$have_res_init" = yes ; then
3711 if test "$have_res_init" = yes; then
3712 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3716 # Do we need the Hesiod library to provide the support routines?
3717 dnl FIXME? Should we be skipping this on Darwin too?
3719 if test "$with_hesiod" != no ; then
3720 # Don't set $LIBS here -- see comments above. FIXME which comments?
3721 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3722 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3723 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3724 if test "$resolv" = yes ; then
3729 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3730 hesiod=yes, :, $RESOLVLIB)])
3732 if test x"$hesiod" = xyes; then
3738 # Do we need libresolv (due to res_init or Hesiod)?
3739 if test "$resolv" = yes && test $opsys != darwin; then
3746 # These tell us which Kerberos-related libraries to use.
3753 if test "${with_kerberos}" != no; then
3754 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3755 if test $have_com_err = yes; then
3756 COM_ERRLIB=-lcom_err
3757 LIBS="$COM_ERRLIB $LIBS"
3759 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3760 if test $have_crypto = yes; then
3762 LIBS="$CRYPTOLIB $LIBS"
3764 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3765 if test $have_k5crypto = yes; then
3766 CRYPTOLIB=-lk5crypto
3767 LIBS="$CRYPTOLIB $LIBS"
3769 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3770 if test $have_krb5=yes; then
3772 LIBS="$KRB5LIB $LIBS"
3774 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3775 if test "${with_kerberos5}" = no; then
3776 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3777 if test $have_des425 = yes; then
3779 LIBS="$DESLIB $LIBS"
3781 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3782 if test $have_des = yes; then
3784 LIBS="$DESLIB $LIBS"
3787 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3788 if test $have_krb4 = yes; then
3790 LIBS="$KRB4LIB $LIBS"
3792 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3793 if test $have_krb = yes; then
3795 LIBS="$KRB4LIB $LIBS"
3800 if test "${with_kerberos5}" != no; then
3801 AC_CHECK_HEADERS(krb5.h,
3802 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3803 [#include <krb5.h>])])
3805 AC_CHECK_HEADERS(krb.h,,
3806 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3807 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3809 AC_CHECK_HEADERS(com_err.h)
3812 AC_SUBST(COM_ERRLIB)
3818 AC_CHECK_HEADERS(valgrind/valgrind.h)
3820 AC_CHECK_FUNCS_ONCE(tzset)
3821 AC_MSG_CHECKING(whether localtime caches TZ)
3822 AC_CACHE_VAL(emacs_cv_localtime_cache,
3823 [if test x$ac_cv_func_tzset = xyes; then
3824 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3825 char TZ_GMT0[] = "TZ=GMT0";
3826 char TZ_PST8[] = "TZ=PST8";
3829 time_t now = time ((time_t *) 0);
3830 int hour_GMT0, hour_unset;
3831 if (putenv (TZ_GMT0) != 0)
3833 hour_GMT0 = localtime (&now)->tm_hour;
3835 hour_unset = localtime (&now)->tm_hour;
3836 if (putenv (TZ_PST8) != 0)
3838 if (localtime (&now)->tm_hour == hour_GMT0)
3841 if (localtime (&now)->tm_hour != hour_unset)
3844 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3845 [# If we have tzset, assume the worst when cross-compiling.
3846 emacs_cv_localtime_cache=yes])
3848 # If we lack tzset, report that localtime does not cache TZ,
3849 # since we can't invalidate the cache if we don't have tzset.
3850 emacs_cv_localtime_cache=no
3852 AC_MSG_RESULT($emacs_cv_localtime_cache)
3853 if test $emacs_cv_localtime_cache = yes; then
3854 AC_DEFINE(LOCALTIME_CACHE, 1,
3855 [Define to 1 if localtime caches TZ.])
3859 AC_CHECK_FUNC(socket, , ok_so_far=no)
3860 if test $ok_so_far = yes; then
3861 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3863 if test $ok_so_far = yes; then
3864 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3866 if test $ok_so_far = yes; then
3867 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3868 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3869 [Define to 1 if you have inet sockets.])
3872 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3873 dnl This can be removed once we assume Autoconf 2.70.
3875 *-solaris2.4 | *-solaris2.4.*)
3876 dnl Disable the Autoconf-generated vfork test.
3877 : ${ac_cv_func_vfork_works=no};;
3882 AC_CHECK_FUNCS(snprintf)
3884 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3889 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3890 LIBS="$LIBS $GFILENOTIFY_LIBS"
3891 AC_MSG_CHECKING([whether GLib is linked in])
3892 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3895 [[g_print ("Hello world");]])],
3898 AC_MSG_RESULT([$links_glib])
3899 if test "${links_glib}" = "yes"; then
3900 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3901 if test "$HAVE_NS" = no;then
3909 dnl Adapted from Haible's version.
3910 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3911 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3912 [[char* cs = nl_langinfo(CODESET);]])],
3913 emacs_cv_langinfo_codeset=yes,
3914 emacs_cv_langinfo_codeset=no)
3916 if test $emacs_cv_langinfo_codeset = yes; then
3917 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3918 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3923 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3924 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3925 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3926 if test "$emacs_cv_c_restrict_arr" = yes; then
3927 AC_DEFINE(__restrict_arr, __restrict,
3928 [Define to compiler's equivalent of C99 restrict keyword in array
3929 declarations. Define as empty for no equivalent.])
3932 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3933 dnl how the tty code is related to POSIX and/or other versions of termios.
3934 dnl The following looks like a useful start.
3936 dnl AC_SYS_POSIX_TERMIOS
3937 dnl if test $ac_cv_sys_posix_termios = yes; then
3938 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3939 dnl and macros for terminal control.])
3940 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3943 dnl Turned on June 1996 supposing nobody will mind it.
3944 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3945 if test "${opsys}" != "mingw32"; then
3946 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3947 in the full name stands for the login id.])
3950 dnl Every platform that uses configure supports this.
3951 dnl There is a create-lockfiles option you can
3952 dnl customize if you do not want the lock files to be written.
3953 dnl So it is not clear that this #define still needs to exist.
3954 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3955 so that Emacs can tell instantly when you try to modify a file that
3956 someone else has modified in his/her Emacs.])
3958 dnl Everybody supports this, except MS.
3959 dnl Seems like the kind of thing we should be testing for, though.
3960 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3961 if test "${opsys}" != "mingw32"; then
3962 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3965 dnl Everybody supports this, except MS-DOS.
3966 dnl Seems like the kind of thing we should be testing for, though.
3967 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3968 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3969 4.2-compatible sockets.])
3971 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3973 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3974 a null file, or a data sink.])
3975 if test "${opsys}" = "mingw32"; then
3976 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3978 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3981 if test "${opsys}" = "mingw32"; then
3986 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3987 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3988 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3989 dnl decides that a command-line argument to be passed to a MinGW program
3990 dnl is a PATH-style list of directories. But that heuristics plays it
3991 dnl safe, and only does the replacement when it is _absolutely_ sure it
3992 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3993 dnl which breaks in-tree builds. So we do this manually instead.
3994 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3995 dnl be computed as ':' in MSYS Bash.
3998 dnl Everybody supports this, except MS-DOS.
3999 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4001 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4004 AC_DEFINE(DIRECTORY_SEP, ['/'],
4005 [Character that separates directories in a file name.])
4007 if test "${opsys}" = "mingw32"; then
4008 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4009 [Returns true if character is a device separator.])
4011 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4012 [Returns true if character is a directory separator.])
4014 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4015 [Returns true if character is any form of separator.])
4017 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4018 [Returns true if character is a device separator.])
4020 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4021 [Returns true if character is a directory separator.])
4023 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4024 [Returns true if character is any form of separator.])
4027 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4031 dnl Unfortunately without libXmu we cannot support EditRes.
4032 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
4033 AC_DEFINE(NO_EDITRES, 1)
4038 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4039 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4040 AC_DEFINE(NO_EDITRES, 1)
4046 irix6-5 | sol2* | unixware )
4047 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4048 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4049 dnl need the constant to dimension an array. So wire in the appropriate
4051 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4055 emacs_broken_SIGIO=no
4058 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4059 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4060 hpux* | irix6-5 | openbsd | sol2* | unixware )
4061 emacs_broken_SIGIO=yes
4065 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4066 dnl the way this system works, libc functions that return malloced
4067 dnl memory use the libc malloc implementation. Calling xfree or
4068 dnl xrealloc on the results of such functions results in a crash.
4070 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4071 dnl but that does not currently work on this system.
4073 dnl It is possible to completely override the malloc implementation on
4074 dnl AIX, but that involves putting the malloc functions in a shared
4075 dnl library and setting the MALLOCTYPE environment variable to point to
4076 dnl that shared library.
4078 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4079 dnl to avoid a crash just use the Emacs implementation for that function.
4081 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4082 dnl of this file, so that we do not check for get_current_dir_name
4083 dnl on AIX. But that might be fragile if something else ends
4084 dnl up testing for get_current_dir_name as a dependency.
4085 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4086 get_current_dir_name should not be used.])
4090 dnl Circumvent a bug in FreeBSD. In the following sequence of
4091 dnl writes/reads on a PTY, read(2) returns bogus data:
4093 dnl write(2) 1022 bytes
4094 dnl write(2) 954 bytes, get EAGAIN
4095 dnl read(2) 1024 bytes in process_read_output
4096 dnl read(2) 11 bytes in process_read_output
4098 dnl That is, read(2) returns more bytes than have ever been written
4099 dnl successfully. The 1033 bytes read are the 1022 bytes written
4100 dnl successfully after processing (for example with CRs added if the
4101 dnl terminal is set up that way which it is here). The same bytes will
4102 dnl be seen again in a later read(2), without the CRs.
4103 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4104 work around an issue when reading from a PTY.])
4110 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4111 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4116 darwin | dragonfly | freebsd | netbsd | openbsd )
4117 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4118 close a pty to make it a controlling terminal (it is already a
4119 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4123 dnl FIXME Surely we can test for this rather than hard-code it.
4125 netbsd | openbsd) sound_device="/dev/audio" ;;
4126 *) sound_device="/dev/dsp" ;;
4130 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4131 [Name of the default sound device.])
4134 dnl Emacs can read input using SIGIO and buffering characters itself,
4135 dnl or using CBREAK mode and making C-g cause SIGINT.
4136 dnl The choice is controlled by the variable interrupt_input.
4138 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4140 dnl Emacs uses the presence of the USABLE_SIGIO macro
4141 dnl to indicate whether or not signal-driven I/O is possible. It uses
4142 dnl INTERRUPT_INPUT to decide whether to use it by default.
4144 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4145 dnl CBREAK mode has two disadvantages
4146 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4147 dnl I hear that in system V this problem does not exist.
4148 dnl 2) Control-G causes output to be discarded.
4149 dnl I do not know whether this can be fixed in system V.
4151 dnl Another method of doing input is planned but not implemented.
4152 dnl It would have Emacs fork off a separate process
4153 dnl to read the input and send it to the true Emacs process
4156 darwin | gnu-linux | gnu-kfreebsd )
4157 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4162 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4163 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4164 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4165 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4166 dnl taking float or double parameters.
4168 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4169 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4170 file defines `NeedWidePrototypes' as `NO'.])
4175 dnl Used in process.c, this must be a loop, even if it only runs once.
4176 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4177 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4178 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4179 dnl trying suffixes 0-16.
4180 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4181 first PTY, if PTYs are supported.])
4182 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4183 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4184 end of a PTY, if non-standard.])
4185 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4186 end of a PTY, if non-standard.])
4190 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4191 dnl You allocate a pty by opening /dev/ptc to get the master side.
4192 dnl To get the name of the slave side, you just ttyname() the master side.
4193 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4194 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4198 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4199 dnl multi-line AC_DEFINEs are hard. :(
4200 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)])
4201 AC_DEFINE(PTY_NAME_SPRINTF, [])
4202 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4205 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4207 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4208 dnl Not used, because PTY_ITERATION is defined.
4209 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4210 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4211 dnl But we don't have to block SIGCHLD because it is blocked in the
4212 dnl implementation of grantpt.
4213 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4214 AC_DEFINE(PTY_NAME_SPRINTF, [])
4215 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4219 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4222 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4224 if test "x$ac_cv_func_grantpt" = xyes; then
4225 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4226 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4227 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4228 dnl to prevent sigchld_handler from intercepting the child's death.
4229 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); }])
4230 dnl if HAVE_POSIX_OPENPT
4231 if test "x$ac_cv_func_posix_openpt" = xyes; then
4232 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4233 AC_DEFINE(PTY_NAME_SPRINTF, [])
4235 elif test "x$ac_cv_func_getpt" = xyes; then
4236 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4237 AC_DEFINE(PTY_NAME_SPRINTF, [])
4239 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4242 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4247 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4248 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4249 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4253 dnl It looks like this cannot be right, because it is not a loop.
4254 dnl However, process.c actually does this:
4260 dnl which presumably makes it OK, since irix == sgi (?).
4261 dnl FIXME it seems like this special treatment is unnecessary?
4262 dnl Why can't irix use a single-trip loop like eg cygwin?
4263 AC_DEFINE(PTY_ITERATION, [])
4264 dnl Not used, because PTY_ITERATION is defined.
4265 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4266 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); }])
4267 dnl No need to get the pty name at all.
4268 AC_DEFINE(PTY_NAME_SPRINTF, [])
4269 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4270 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4274 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4275 dnl from intercepting that death. If any child but grantpt's should die
4276 dnl within, it should be caught after sigrelse(2).
4277 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); }])
4281 dnl Comments are as per sol2*.
4282 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); }])
4289 dnl This change means that we don't loop through allocate_pty too
4290 dnl many times in the (rare) event of a failure.
4291 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4292 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4293 dnl Push various streams modules onto a PTY channel. Used in process.c.
4294 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.])
4299 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4300 "typing" a signal character on the pty.])
4303 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4304 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4305 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4306 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4309 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4310 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4311 gnu-linux | gnu-kfreebsd )
4313 AC_MSG_CHECKING([for signals via characters])
4314 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4315 #include <linux/version.h>
4316 #if LINUX_VERSION_CODE < 0x20400
4317 # error "Linux version too old"
4319 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4321 AC_MSG_RESULT([$emacs_signals_via_chars])
4322 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4327 dnl Used in lisp.h, emacs.c, vm-limit.c
4328 dnl NEWS.18 describes this as "a number which contains
4329 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4330 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4331 stored in a Lisp_Object.])
4332 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4336 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4337 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4340 dnl The data segment on this machine always starts at address 0x40000000.
4341 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4344 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4349 AH_TEMPLATE(TAB3, [Undocumented.])
4352 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4354 gnu | dragonfly | freebsd | netbsd | openbsd )
4355 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4356 AC_DEFINE(TAB3, OXTABS)
4359 gnu-linux | gnu-kfreebsd )
4360 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4364 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4365 [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)],
4366 [Mark a secondary stack, like the register stack on the ia64.]), [])
4370 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4371 run_time_remap; for HPUX.])
4376 dnl This won't be used automatically yet. We also need to know, at least,
4377 dnl that the stack is continuous.
4378 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4379 registers relevant for conservative garbage collection in the jmp_buf.])
4383 dnl Not all the architectures are tested, but there are Debian packages
4384 dnl for SCM and/or Guile on them, so the technique must work. See also
4385 dnl comments in alloc.c concerning setjmp and gcc.
4386 dnl Fixme: it's probably safe to just use the GCC conditional below.
4387 gnu-linux | gnu-kfreebsd )
4388 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4389 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4390 || defined __alpha__ || defined __mips__ || defined __s390__ \
4391 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4392 || defined __ia64__ || defined __sh__
4395 # error "setjmp not known to work on this arch"
4397 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4402 if test x$GCC = xyes; then
4403 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4404 AC_DEFINE(GC_SETJMP_WORKS, 1)
4407 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4408 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4409 AC_DEFINE(GC_SETJMP_WORKS, 1)
4414 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4415 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4418 [[#include <setjmp.h>
4420 # define _longjmp longjmp
4425 _longjmp (j, 1);]])],
4426 [emacs_cv_func__setjmp=yes],
4427 [emacs_cv_func__setjmp=no])])
4428 if test $emacs_cv_func__setjmp = yes; then
4429 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4431 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4434 [[#include <setjmp.h>
4437 if (! sigsetjmp (j, 1))
4438 siglongjmp (j, 1);]])],
4439 [emacs_cv_func_sigsetjmp=yes],
4440 [emacs_cv_func_sigsetjmp=no])])
4441 if test $emacs_cv_func_sigsetjmp = yes; then
4442 AC_DEFINE([HAVE_SIGSETJMP], 1,
4443 [Define to 1 if sigsetjmp and siglongjmp work.
4444 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4450 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4451 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4452 dnl and this is all we need.
4453 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4460 dnl Used in xfaces.c.
4461 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4462 some systems, where it requires time.h.])
4467 dnl Define symbols to identify the version of Unix this is.
4468 dnl Define all the symbols that apply correctly.
4469 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4470 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4471 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4472 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4477 dnl This symbol should be defined on AIX Version 3 ???????
4478 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4480 # error "_AIX not defined"
4482 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4486 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4490 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4491 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4492 dnl distinguish OS X from pure Darwin.
4493 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4496 gnu-linux | gnu-kfreebsd )
4498 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4503 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4508 AC_DEFINE(USG5_4, [])
4509 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4513 AC_DEFINE(DOS_NT, [])
4514 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4515 if test "x$ac_enable_checking" != "x" ; then
4516 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4522 AC_DEFINE(USG5_4, [])
4523 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4528 AC_DEFINE(USG5_4, [])
4532 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4535 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4536 emacs_cv_usable_FIONREAD=no
4540 emacs_cv_usable_FIONREAD=yes
4545 [AC_LANG_PROGRAM([[#include <sys/types.h>
4546 #include <sys/ioctl.h>
4548 # include <sys/filio.h>
4551 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4552 [emacs_cv_usable_FIONREAD=yes],
4553 [emacs_cv_usable_FIONREAD=no])
4556 if test $emacs_cv_usable_FIONREAD = yes; then
4557 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4559 if test $emacs_broken_SIGIO = no; then
4560 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4562 [AC_LANG_PROGRAM([[#include <fcntl.h>
4565 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4566 [emacs_cv_usable_SIGIO=yes],
4567 [emacs_cv_usable_SIGIO=no])],
4568 [emacs_cv_usable_SIGIO=yes],
4569 [emacs_cv_usable_SIGIO=no])
4570 if test $emacs_cv_usable_SIGIO = yes; then
4571 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4578 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4579 dnl and on Cygwin prior to version 1.7.24 that becomes the
4580 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4581 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4582 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4583 dnl needed starting with cygwin-1.7.24, and it is no longer
4584 dnl effective starting with glib-2.36. */
4586 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4587 G_SLICE environment variable to "always-malloc" at startup.])
4591 dnl It works to open the pty's tty in the parent (Emacs), then
4592 dnl close and reopen it in the child.
4593 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4594 works to open a pty's tty in the parent process, then close and
4595 reopen it in the child.])
4599 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4600 use VSUSP instead of VSWTCH.])
4604 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4609 # Set up the CFLAGS for real compilation, so we can substitute it.
4610 CFLAGS="$REAL_CFLAGS"
4611 CPPFLAGS="$REAL_CPPFLAGS"
4613 ## Hack to detect a buggy GCC version.
4614 if test "x$GCC" = xyes \
4615 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4616 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4617 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4618 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4621 version=$PACKAGE_VERSION
4623 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4624 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4625 [Short copyright string for this version of Emacs.])
4628 ### Specify what sort of things we'll be editing into Makefile and config.h.
4629 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4631 AC_SUBST(configuration)
4636 AC_SUBST(exec_prefix)
4639 AC_SUBST(sharedstatedir)
4640 AC_SUBST(libexecdir)
4644 AC_SUBST(standardlisppath)
4645 AC_SUBST(locallisppath)
4647 AC_SUBST(x_default_search_path)
4649 AC_SUBST(archlibdir)
4654 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4655 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4656 ## end of LIBX_BASE, but nothing ever set it.
4657 AC_SUBST(LD_SWITCH_X_SITE)
4658 AC_SUBST(C_SWITCH_X_SITE)
4659 AC_SUBST(GNUSTEP_CFLAGS)
4661 ## Used in lwlib/Makefile.in.
4662 AC_SUBST(X_TOOLKIT_TYPE)
4664 AC_SUBST(ns_appbindir)
4665 AC_SUBST(ns_appresdir)
4667 AC_SUBST(GNU_OBJC_CFLAGS)
4668 AC_SUBST(OTHER_FILES)
4670 if test -n "${term_header}"; then
4671 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4672 [Define to the header for the built-in window system.])
4675 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4676 [Define to the canonical Emacs configuration name.])
4677 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4678 [Define to the options passed to configure.])
4679 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4680 define this to include extra configuration information.])
4684 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4691 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4692 AC_DEFINE(HAVE_X_WINDOWS, 1,
4693 [Define to 1 if you want to use the X window system.])
4695 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4697 if test "$HAVE_XFT" = "yes"; then
4698 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4699 elif test "$HAVE_FREETYPE" = "yes"; then
4700 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4710 if test "${USE_X_TOOLKIT}" != "none" ; then
4712 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4713 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4714 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4715 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4716 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4720 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4721 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4725 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4726 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4727 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4731 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4732 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4735 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4738 AC_SUBST(WIDGET_OBJ)
4741 case "$USE_X_TOOLKIT" in
4742 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4743 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4744 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4746 AC_SUBST(TOOLKIT_LIBW)
4748 if test "${opsys}" != "mingw32"; then
4749 if test "$USE_X_TOOLKIT" = "none"; then
4750 LIBXT_OTHER="\$(LIBXSM)"
4752 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4755 AC_SUBST(LIBXT_OTHER)
4757 if test "${HAVE_X11}" = "yes" ; then
4758 AC_DEFINE(HAVE_X11, 1,
4759 [Define to 1 if you want to use version 11 of X windows.])
4760 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4764 AC_SUBST(LIBX_OTHER)
4766 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4768 elif test "$USE_X_TOOLKIT" = none; then
4769 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4771 LIBXMENU='$(lwlibdir)/liblw.a'
4775 if test "${GNU_MALLOC}" = "yes" ; then
4776 AC_DEFINE(GNU_MALLOC, 1,
4777 [Define to 1 if you want to use the GNU memory allocator.])
4781 if test "${REL_ALLOC}" = "yes" ; then
4782 AC_DEFINE(REL_ALLOC, 1,
4783 [Define REL_ALLOC if you want to use the relocating allocator for
4786 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4788 AC_SUBST(RALLOC_OBJ)
4790 if test "$opsys" = "cygwin"; then
4791 CYGWIN_OBJ="sheap.o cygw32.o"
4792 ## Cygwin differs because of its unexec().
4794 POST_ALLOC_OBJ=lastfile.o
4795 elif test "$opsys" = "mingw32"; then
4798 POST_ALLOC_OBJ=lastfile.o
4801 PRE_ALLOC_OBJ=lastfile.o
4804 AC_SUBST(CYGWIN_OBJ)
4805 AC_SUBST(PRE_ALLOC_OBJ)
4806 AC_SUBST(POST_ALLOC_OBJ)
4808 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4809 dnl verbatim defined above. The tricky name is apropos, as this hack
4810 dnl makes Fortify go sour!
4811 AH_VERBATIM([FORTIFY_SOUR],
4812 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4813 The workaround disables some useful run-time checking, so it
4814 should be conditional to the platforms with the performance bug.
4815 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4816 #if defined __APPLE__ && defined __GNUC__
4817 # ifndef _DONT_USE_CTYPE_INLINE_
4818 # define _DONT_USE_CTYPE_INLINE_
4820 # ifndef _FORTIFY_SOURCE
4821 # define _FORTIFY_SOURCE 0
4826 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4827 # it temporarily reverts them to their pre-pkg-config values,
4828 # because gnulib needs to work with both src (which uses the
4829 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4830 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4831 # and it therefore needs to run in an environment where LIBS does not
4832 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4833 # for some package unrelated to lib-src.
4836 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4837 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4838 gl_ASSERT_NO_GNULIB_POSIXCHECK
4839 gl_ASSERT_NO_GNULIB_TESTS
4844 if test "${opsys}" = "mingw32"; then
4845 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4846 # Remove unneeded switches from the value of CC that goes to Makefiles
4847 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4851 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4854 ## The -headerpad option tells ld (see man page) to leave room at the
4855 ## end of the header for adding load commands. Needed for dumping.
4856 ## 0x690 is the total size of 30 segment load commands (at 56
4857 ## each); under Cocoa 31 commands are required.
4858 if test "$HAVE_NS" = "yes"; then
4859 libs_nsgui="-framework AppKit"
4860 if test "$NS_IMPL_COCOA" = "yes"; then
4861 libs_nsgui="$libs_nsgui -framework IOKit"
4868 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4870 ## This is here because src/Makefile.in did some extra fiddling around
4871 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4872 ## LD_SWITCH_SYSTEM_TEMACS instead,
4873 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4874 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4877 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4878 ## find X at run-time.
4879 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4880 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4881 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4882 ## had different values in configure (in ac_link) and src/Makefile.in.
4883 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4884 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4887 ## MinGW64 does not prepend an underscore to symbols, so we must
4888 ## pass a different -entry switch to linker. FIXME: It is better
4889 ## to make the entry points the same by changing unexw32.c.
4890 case "$canonical" in
4891 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4892 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4896 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4898 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4901 if test x$ac_enable_profiling != x ; then
4903 *freebsd | gnu-linux) ;;
4904 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4908 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4910 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4912 ## MinGW-specific post-link processing of temacs.
4913 TEMACS_POST_LINK=":"
4916 if test "${opsys}" = "mingw32"; then
4917 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4918 ADDSECTION="../nt/addsection\$(EXEEXT)"
4919 ## Preload heap size of temacs.exe in MB.
4920 case "$canonical" in
4921 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4922 *) EMACS_HEAPSIZE=27 ;;
4926 AC_SUBST(ADDSECTION)
4927 AC_SUBST(TEMACS_POST_LINK)
4928 AC_SUBST(EMACS_HEAPSIZE)
4930 ## Common for all window systems
4931 if test "$window_system" != "none"; then
4932 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4933 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4936 AC_SUBST(WINDOW_SYSTEM_OBJ)
4938 AH_TOP([/* GNU Emacs site configuration template file.
4940 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4941 Free Software Foundation, Inc.
4943 This file is part of GNU Emacs.
4945 GNU Emacs is free software: you can redistribute it and/or modify
4946 it under the terms of the GNU General Public License as published by
4947 the Free Software Foundation, either version 3 of the License, or
4948 (at your option) any later version.
4950 GNU Emacs is distributed in the hope that it will be useful,
4951 but WITHOUT ANY WARRANTY; without even the implied warranty of
4952 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4953 GNU General Public License for more details.
4955 You should have received a copy of the GNU General Public License
4956 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4959 /* No code in Emacs #includes config.h twice, but some bits of code
4960 intended to work with other packages as well (like gmalloc.c)
4961 think they can include it as many times as they like. */
4962 #ifndef EMACS_CONFIG_H
4963 #define EMACS_CONFIG_H
4966 AH_BOTTOM([#include <conf_post.h>
4968 #endif /* EMACS_CONFIG_H */
4977 #### Report on what we decided to do.
4978 #### Report GTK as a toolkit, even if it doesn't use Xt.
4979 #### It makes printing result more understandable as using GTK sets
4980 #### toolkit_scroll_bars to yes by default.
4981 if test "${HAVE_GTK}" = "yes"; then
4982 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4985 if test $USE_ACL -ne 0; then
4986 acl_summary="yes $LIB_ACL"
4992 Configured for \`${canonical}'.
4994 Where should the build process find the source code? ${srcdir}
4995 What compiler should emacs be built with? ${CC} ${CFLAGS}
4996 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4997 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4998 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4999 What window system should Emacs use? ${window_system}
5000 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5002 if test -n "${x_includes}"; then
5003 echo " Where do we find X Windows header files? ${x_includes}"
5005 echo " Where do we find X Windows header files? Standard dirs"
5007 if test -n "${x_libraries}"; then
5008 echo " Where do we find X Windows libraries? ${x_libraries}"
5010 echo " Where do we find X Windows libraries? Standard dirs"
5013 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5014 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5015 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5016 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5017 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5018 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5019 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5020 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5022 echo " Does Emacs support sound? ${HAVE_SOUND}"
5024 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5025 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5026 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5027 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5028 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5029 echo " Does Emacs use access control lists? ${acl_summary}"
5030 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5031 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5032 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5034 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5035 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5036 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5037 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5038 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5040 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5043 if test -n "${EMACSDATA}"; then
5044 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5046 if test -n "${EMACSDOC}"; then
5047 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5052 if test "$HAVE_NS" = "yes"; then
5054 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5055 The installed application will go to nextstep/Emacs.app and can be
5056 run or moved from there."
5057 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5058 echo "The application will be fully self-contained."
5060 echo "The lisp resources for the application will be installed under ${prefix}.
5061 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5062 to run if these resources are not installed."
5067 if test "${opsys}" = "cygwin"; then
5069 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5075 # Remove any trailing slashes in these variables.
5076 [test "${prefix}" != NONE &&
5077 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5078 test "${exec_prefix}" != NONE &&
5079 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5081 if test "$HAVE_NS" = "yes"; then
5082 if test "$NS_IMPL_GNUSTEP" = yes; then
5083 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5084 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5085 ns_check_file=Resources/Info-gnustep.plist
5087 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5088 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5089 ns_check_file=Contents/Info.plist
5091 AC_SUBST(ns_check_file)
5094 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5095 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5096 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5097 dnl (else you get "no `Makefile.am' found for any configure output").
5098 dnl This will work, but you get a config.status that is not quite right
5099 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5100 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5101 dnl it seems better to just live with the duplication.
5102 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5104 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5105 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5106 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5107 leim/Makefile nextstep/Makefile nt/Makefile])
5109 dnl test/ is not present in release tarfiles.
5110 opt_makefile=test/automated/Makefile
5112 if test -f "$srcdir/$opt_makefile.in"; then
5113 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5114 dnl Again, it's best not to use a variable. Though you can add
5115 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5116 AC_CONFIG_FILES([test/automated/Makefile])
5120 dnl The admin/ directory used to be excluded from tarfiles.
5121 if test -d $srcdir/admin; then
5122 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5123 AC_CONFIG_FILES([admin/unidata/Makefile])
5124 AC_CONFIG_FILES([admin/grammars/Makefile])
5128 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5130 AC_SUBST(SUBDIR_MAKEFILES_IN)
5132 dnl You might wonder (I did) why epaths.h is generated by running make,
5133 dnl rather than just letting configure generate it from epaths.in.
5134 dnl One reason is that the various paths are not fully expanded (see above);
5135 dnl eg gamedir=${prefix}/var/games/emacs.
5136 dnl Secondly, the GNU Coding standards require that one should be able
5137 dnl to run `make prefix=/some/where/else' and override the values set
5138 dnl by configure. This also explains the `move-if-change' test and
5139 dnl the use of force in the `epaths-force' rule in Makefile.in.
5140 AC_CONFIG_COMMANDS([src/epaths.h], [
5141 if test "${opsys}" = "mingw32"; then
5142 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5144 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5146 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5148 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5149 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5151 AC_CONFIG_COMMANDS([src/.gdbinit], [
5152 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5153 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit