1 dnl Autoconf script for GNU Emacs
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
5 dnl If you changed any AC_DEFINES, also run autoheader.
7 dnl Copyright (C) 1994-1996, 1999-2014 Free Software Foundation, Inc.
9 dnl This file is part of GNU Emacs.
11 dnl GNU Emacs is free software: you can redistribute it and/or modify
12 dnl it under the terms of the GNU General Public License as published by
13 dnl the Free Software Foundation, either version 3 of the License, or
14 dnl (at your option) any later version.
16 dnl GNU Emacs is distributed in the hope that it will be useful,
17 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
18 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 dnl GNU General Public License for more details.
21 dnl You should have received a copy of the GNU General Public License
22 dnl along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
25 AC_INIT(emacs, 24.3.50)
27 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 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
246 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
247 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
248 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
249 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
250 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
251 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
252 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
254 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
255 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
256 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
258 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
259 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
260 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
261 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
262 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
264 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
265 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
266 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
267 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
268 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
269 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
270 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
272 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
273 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
274 [ case "${withval}" in
275 y | ye | yes ) val=yes ;;
277 g | gf | gfi | gfil | gfile ) val=gfile ;;
278 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
279 w | w3 | w32 ) val=w32 ;;
280 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
281 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
282 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
283 otherwise for the first of `gfile' or `inotify' that is usable.])
286 with_file_notification=$val
288 [with_file_notification=$with_features])
290 ## For the times when you want to build Emacs but don't have
291 ## a suitable makeinfo, and can live without the manuals.
292 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
293 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
295 ## Makefile.in needs the cache file name.
298 ## This is an option because I do not know if all info/man support
299 ## compressed files, nor how to test if they do so.
300 OPTION_DEFAULT_ON([compress-install],
301 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
302 make GZIP_PROG= install])
304 AC_ARG_WITH([pkg-config-prog],dnl
305 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
306 [file name of pkg-config for finding GTK and librsvg])])
307 if test "X${with_pkg_config_prog}" != X; then
308 if test "${with_pkg_config_prog}" != yes; then
309 PKG_CONFIG="${with_pkg_config_prog}"
313 AC_ARG_WITH(gameuser,dnl
314 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
315 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
316 && gameuser="${with_gameuser}"
317 test "X$gameuser" = X && gameuser=games
319 AC_ARG_WITH([gnustep-conf],dnl
320 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
321 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
322 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
323 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
324 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
325 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
327 AC_ARG_ENABLE(ns-self-contained,
328 [AS_HELP_STRING([--disable-ns-self-contained],
329 [disable self contained build under NeXTstep])],
330 EN_NS_SELF_CONTAINED=$enableval,
331 EN_NS_SELF_CONTAINED=yes)
333 AC_ARG_ENABLE(locallisppath,
334 [AS_HELP_STRING([--enable-locallisppath=PATH],
335 [directories Emacs should search for lisp files specific
337 if test "${enableval}" = "no"; then
339 elif test "${enableval}" != "yes"; then
340 locallisppath=${enableval}
343 AC_ARG_ENABLE(checking,
344 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
345 [enable expensive run-time checks. With LIST,
346 enable only specific categories of checks.
347 Categories are: all,yes,no.
348 Flags are: stringbytes, stringoverrun, stringfreelist,
349 xmallocoverrun, conslist, glyphs])],
350 [ac_checking_flags="${enableval}"],[])
351 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
352 for check in $ac_checking_flags
355 # these set all the flags to specific states
356 yes) ac_enable_checking=1 ;;
357 no) ac_enable_checking= ;
358 ac_gc_check_stringbytes= ;
359 ac_gc_check_string_overrun= ;
360 ac_gc_check_string_free_list= ;
361 ac_xmalloc_overrun= ;
362 ac_gc_check_cons_list= ;
364 all) ac_enable_checking=1 ;
365 ac_gc_check_stringbytes=1 ;
366 ac_gc_check_string_overrun=1 ;
367 ac_gc_check_string_free_list=1 ;
368 ac_xmalloc_overrun=1 ;
369 ac_gc_check_cons_list=1 ;
371 # these enable particular checks
372 stringbytes) ac_gc_check_stringbytes=1 ;;
373 stringoverrun) ac_gc_check_string_overrun=1 ;;
374 stringfreelist) ac_gc_check_string_free_list=1 ;;
375 xmallocoverrun) ac_xmalloc_overrun=1 ;;
376 conslist) ac_gc_check_cons_list=1 ;;
377 glyphs) ac_glyphs_debug=1 ;;
378 *) AC_MSG_ERROR(unknown check category $check) ;;
383 if test x$ac_enable_checking != x ; then
384 AC_DEFINE(ENABLE_CHECKING, 1,
385 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
387 if test x$ac_gc_check_stringbytes != x ; then
388 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
389 [Define this temporarily to hunt a bug. If defined, the size of
390 strings is redundantly recorded in sdata structures so that it can
391 be compared to the sizes recorded in Lisp strings.])
393 if test x$ac_gc_check_string_overrun != x ; then
394 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
395 [Define this to check for short string overrun.])
397 if test x$ac_gc_check_string_free_list != x ; then
398 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
399 [Define this to check the string free list.])
401 if test x$ac_xmalloc_overrun != x ; then
402 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
403 [Define this to check for malloc buffer overrun.])
405 if test x$ac_gc_check_cons_list != x ; then
406 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
407 [Define this to check for errors in cons list.])
409 if test x$ac_glyphs_debug != x ; then
410 AC_DEFINE(GLYPH_DEBUG, 1,
411 [Define this to enable glyphs debugging code.])
414 AC_ARG_ENABLE(check-lisp-object-type,
415 [AS_HELP_STRING([--enable-check-lisp-object-type],
416 [enable compile time checks for the Lisp_Object data type.
417 This is useful for development for catching certain types of bugs.])],
418 if test "${enableval}" != "no"; then
419 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
420 [Define this to enable compile time checks for the Lisp_Object data type.])
424 dnl The name of this option is unfortunate. It predates, and has no
425 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
426 dnl Actually, it stops it working.
427 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
428 AC_ARG_ENABLE(profiling,
429 [AS_HELP_STRING([--enable-profiling],
430 [build emacs with low-level, gprof profiling support.
431 Mainly useful for debugging Emacs itself. May not work on
432 all platforms. Stops profiler.el working.])],
433 [ac_enable_profiling="${enableval}"],[])
434 if test x$ac_enable_profiling != x ; then
435 PROFILING_CFLAGS="-DPROFILING=1 -pg"
439 AC_SUBST(PROFILING_CFLAGS)
441 AC_ARG_ENABLE(autodepend,
442 [AS_HELP_STRING([--enable-autodepend],
443 [automatically generate dependencies to .h-files.
444 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
446 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
448 AC_ARG_ENABLE(gtk-deprecation-warnings,
449 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
450 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
451 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
453 ### Canonicalize the configuration name.
457 configuration=${host_alias-${build_alias-$host}}
459 dnl This used to use changequote, but, apart from `changequote is evil'
460 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
461 dnl the great gob of text. Thus it's not processed for possible expansion.
462 dnl Just make sure the brackets remain balanced.
464 dnl Since Emacs can't find matching pairs of quotes, boundaries are
465 dnl indicated by comments.
469 ### If you add support for a new configuration, add code to this
470 ### switch statement to recognize your configuration name and select
471 ### the appropriate opsys.
473 ### As far as handling version numbers on operating systems is
474 ### concerned, make sure things will fail in a fixable way. If
475 ### /etc/MACHINES doesn't say anything about version numbers, be
476 ### prepared to handle anything reasonably. If version numbers
477 ### matter, be sure /etc/MACHINES says something about it.
480 case "${canonical}" in
482 ## GNU/Linux and similar ports
497 ## FreeBSD kernel + glibc based userland
512 ## Apple Darwin / Mac OS X
514 case "${canonical}" in
521 ## Use fink packages if available.
522 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
523 ## if test -d /sw/include && test -d /sw/lib; then
524 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
525 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
534 ## HP 9000 series 700 and 800, running HP/UX
538 hppa*-hp-hpux1[1-9]* )
540 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
544 rs6000-ibm-aix4.[23]* )
547 powerpc-ibm-aix4.[23]* )
550 rs6000-ibm-aix[56]* )
553 powerpc-ibm-aix[56]* )
557 ## Silicon Graphics machines
561 # Without defining _LANGUAGE_C, things get masked out in the headers
562 # so that, for instance, grepping for `free' in stdlib.h fails and
563 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
564 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
569 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
570 | x86_64-*-solaris2* | x86_64-*-sunos5*)
571 case "${canonical}" in
573 amd64-*-*|x86_64-*-*) ;;
577 case "${canonical}" in
578 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
580 emacs_check_sunpro_c=yes
582 *-sunos5.6* | *-solaris2.6* )
586 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
588 emacs_check_sunpro_c=yes
591 ## Watch out for a compiler that we know will not work.
592 case "${canonical}" in
593 *-solaris* | *-sunos5* )
594 if [ "x$CC" = x/usr/ucb/cc ]; then
595 ## /usr/ucb/cc doesn't work;
596 ## we should find some other compiler that does work.
604 ## Intel 386 machines where we don't care about the manufacturer.
606 case "${canonical}" in
607 *-darwin* ) opsys=darwin ;;
610 # MinGW overrides and adds some system headers in nt/inc.
611 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
613 *-sysv4.2uw* ) opsys=unixware ;;
614 *-sysv5uw* ) opsys=unixware ;;
615 *-sysv5OpenUNIX* ) opsys=unixware ;;
616 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
622 case "${canonical}" in
625 # MinGW overrides and adds some system headers in nt/inc.
626 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
628 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
637 ### If the code above didn't choose an operating system, just choose
638 ### an operating system based on the configuration name. You really
639 ### only want to use this when you have no idea what the right
640 ### operating system is; if you know what operating systems a machine
641 ### runs, it's cleaner to make it explicit in the case statement
643 if test x"${opsys}" = x; then
644 case "${canonical}" in
645 *-gnu* ) opsys=gnu ;;
655 if test $unported = yes; then
656 AC_MSG_ERROR([Emacs does not support building on `${canonical}' systems.
657 If you think it should, please send a report to bug-gnu-emacs@gnu.org.
658 Check `etc/MACHINES' for recognized configuration names.])
662 #### Choose a compiler.
664 dnl Sets GCC=yes if using gcc.
665 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
666 if test -n "$XCRUN"; then
667 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
668 test -n "$AR" && export AR
673 if test x$GCC = xyes; then
674 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
676 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
679 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
680 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
681 dnl that clash with MinGW.
682 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
684 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
685 AC_DEFUN([gl_CRYPTO_CHECK])
686 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
687 # as we don't use them.
688 AC_DEFUN([gl_FCNTL_O_FLAGS])
689 # Avoid gnulib's threadlib module, as we do threads our own way.
690 AC_DEFUN([gl_THREADLIB])
692 # Initialize gnulib right after choosing the compiler.
693 dnl Amongst other things, this sets AR and ARFLAGS.
696 if test "$ac_test_CFLAGS" != set; then
697 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
698 # if -g3 works and the user does not specify CFLAGS.
699 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
702 emacs_g3_CFLAGS='-g3';;
704 emacs_g3_CFLAGS='-g3 -O2';;
708 if test -n "$emacs_g3_CFLAGS"; then
709 emacs_save_CFLAGS=$CFLAGS
710 CFLAGS=$emacs_g3_CFLAGS
711 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
712 [emacs_cv_prog_cc_g3],
713 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
714 [emacs_cv_prog_cc_g3=yes],
715 [emacs_cv_prog_cc_g3=no])])
716 if test $emacs_cv_prog_cc_g3 != yes; then
717 CFLAGS=$emacs_save_CFLAGS
719 if test $opsys = mingw32; then
720 CFLAGS="$CFLAGS -gdwarf-2"
727 # No optimization flag was inferred for this non-GCC compiler.
728 # Try -O. This is needed for xlc on AIX; see Bug#14258.
729 emacs_save_CFLAGS=$CFLAGS
730 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
732 AC_CACHE_CHECK([whether $CC accepts -O],
733 [emacs_cv_prog_cc_o],
734 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
735 [emacs_cv_prog_cc_o=yes],
736 [emacs_cv_prog_cc_o=no])])
737 if test $emacs_cv_prog_cc_o != yes; then
738 CFLAGS=$emacs_save_CFLAGS
743 AC_ARG_ENABLE([gcc-warnings],
744 [AS_HELP_STRING([--enable-gcc-warnings],
745 [turn on lots of GCC warnings/errors. This is intended for
746 developers, and may generate false alarms when used
747 with older or non-GNU development tools.])],
750 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
752 gl_gcc_warnings=$enableval],
756 AC_ARG_ENABLE(link-time-optimization,
757 [AS_HELP_STRING([--enable-link-time-optimization],
758 [build emacs with link-time optimization.
759 This is supported only for GCC since 4.5.0.])],
760 if test "${enableval}" != "no"; then
761 AC_MSG_CHECKING([whether link-time optimization is supported])
763 if test x$GCC = xyes; then
764 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
765 if test x$CPUS != x; then
771 CFLAGS="$CFLAGS $LTO"
772 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
773 [ac_lto_supported=yes], [ac_lto_supported=no])
776 AC_MSG_RESULT([$ac_lto_supported])
777 if test "$ac_lto_supported" = "yes"; then
778 CFLAGS="$CFLAGS $LTO"
782 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
783 # ------------------------------------------------
784 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
785 # Otherwise, run RUN-IF-NOT-FOUND.
786 AC_DEFUN([gl_GCC_VERSION_IFELSE],
790 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
793 # error "your version of gcc is older than $1.$2"
800 # clang is unduly picky about some things.
801 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
808 [emacs_cv_clang=yes],
809 [emacs_cv_clang=no])])
811 # When compiling with GCC, prefer -isystem to -I when including system
812 # include files, to avoid generating useless diagnostics for the files.
813 if test "$gl_gcc_warnings" != yes; then
815 if test "$emacs_cv_clang" = yes
817 # Turn off some warnings if supported.
818 gl_WARN_ADD([-Wno-switch])
819 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
820 gl_WARN_ADD([-Wno-pointer-sign])
825 # This, $nw, is the list of warnings we disable.
828 case $with_x_toolkit in
829 lucid | athena | motif)
830 # Old toolkits mishandle 'const'.
831 nw="$nw -Wwrite-strings"
834 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
837 AC_SUBST([WERROR_CFLAGS])
839 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
840 nw="$nw -Woverlength-strings" # Not a problem these days
841 nw="$nw -Wlogical-op" # any use of fwrite provokes this
842 nw="$nw -Wformat-nonliteral" # we do this a lot
843 nw="$nw -Wvla" # warnings in gettext.h
844 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
845 nw="$nw -Wswitch-default" # Too many warnings for now
846 nw="$nw -Winline" # OK to ignore 'inline'
847 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
848 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
849 # signed overflow has undefined behavior
850 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
851 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
852 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
854 # Emacs doesn't care about shadowing; see
855 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
858 # Emacs's use of alloca inhibits protecting the stack.
859 nw="$nw -Wstack-protector"
861 # The following line should be removable at some point.
862 nw="$nw -Wsuggest-attribute=pure"
864 # This part is merely for shortening the command line,
865 # since -Wno-FOO needs to be added below regardless.
866 nw="$nw -Wmissing-field-initializers"
868 nw="$nw -Wtype-limits"
869 nw="$nw -Wunused-parameter"
871 if test $emacs_cv_clang = yes; then
872 nw="$nw -Wcast-align"
875 gl_MANYWARN_ALL_GCC([ws])
876 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
880 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
881 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
882 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
883 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
884 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
885 gl_WARN_ADD([-Wno-format-nonliteral])
887 # In spite of excluding -Wlogical-op above, it is enabled, as of
888 # gcc 4.5.0 20090517.
889 gl_WARN_ADD([-Wno-logical-op])
891 # More things that clang is unduly picky about.
892 if test $emacs_cv_clang = yes; then
893 gl_WARN_ADD([-Wno-format-extra-args])
894 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
895 gl_WARN_ADD([-Wno-unused-command-line-argument])
896 gl_WARN_ADD([-Wno-unused-value])
899 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
900 AH_VERBATIM([FORTIFY_SOURCE],
901 [/* Enable compile-time and run-time bounds-checking, and some warnings,
902 without upsetting glibc 2.15+. */
903 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
904 # define _FORTIFY_SOURCE 2
907 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
909 # We use a slightly smaller set of warning options for lib/.
910 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
912 nw="$nw -Wunused-macros"
914 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
915 AC_SUBST([GNULIB_WARN_CFLAGS])
920 dnl Some other nice autoconf tests.
921 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
924 dnl if test "x$RANLIB" = x; then
929 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
930 dnl can be made to directories. This is not relevant for our usage, and
931 dnl excludes some cases that work fine for us. Eg MS Windows or files
932 dnl hosted on AFS, both examples where simple links work, but links to
933 dnl directories fail. We use a cut-down version instead.
936 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
937 rm -f conf$$ conf$$.file
939 LN_S_FILEONLY='cp -p'
941 if (echo >conf$$.file) 2>/dev/null; then
942 if ln -s conf$$.file conf$$ 2>/dev/null; then
943 LN_S_FILEONLY='ln -s'
944 elif ln conf$$.file conf$$ 2>/dev/null; then
949 rm -f conf$$ conf$$.file
951 if test "$LN_S_FILEONLY" = "ln -s"; then
954 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
957 AC_SUBST(LN_S_FILEONLY)
960 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
961 dnl doesn't support links to directories, as in "ln file dir". But that
962 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
963 dnl executables at "make install" time.
964 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
965 dnl for more details.
966 if test "$opsys" = "mingw32"; then
970 AC_PATH_PROG(INSTALL_INFO, install-info, :,
971 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
972 dnl Don't use GZIP, which is used by gzip for additional parameters.
973 AC_PATH_PROG(GZIP_PROG, gzip)
975 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
976 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
978 if test $opsys = gnu-linux; then
979 AC_PATH_PROG(PAXCTL, paxctl,,
980 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
981 if test "X$PAXCTL" != X; then
982 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
983 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
984 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
985 else AC_MSG_RESULT(no); PAXCTL=""; fi])
988 if test "${SETFATTR+set}" != set; then
989 AC_CACHE_CHECK([for setfattr],
990 [emacs_cv_prog_setfattr],
992 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
993 emacs_cv_prog_setfattr=yes
995 emacs_cv_prog_setfattr=no
997 if test "$emacs_cv_prog_setfattr" = yes; then
1003 AC_SUBST([SETFATTR])
1007 ## Need makeinfo >= 4.7 (?) to build the manuals.
1008 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1009 dnl By this stage, configure has already checked for egrep and set EGREP,
1010 dnl or exited with an error if no egrep was found.
1011 if test "$MAKEINFO" != "no"; then
1013 $MAKEINFO --version 2> /dev/null |
1014 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1020 ## Makeinfo is unusual. For a released Emacs, the manuals are
1021 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1022 ## therefore in the category of "special tools" not normally required, which
1023 ## configure does not have to check for (eg autoconf itself).
1024 ## In a repository checkout on the other hand, the manuals are not included.
1025 ## So makeinfo is a requirement to build from the repository, and configure
1026 ## should test for it as it does for any other build requirement.
1027 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1028 ## with pre-built manuals, from a repository checkout.
1031 if test "$MAKEINFO" = "no"; then
1033 if test "x${with_makeinfo}" = "xno"; then
1035 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1036 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1037 source tree does not seem to have pre-built manuals in the `info' directory.
1038 Either install a suitable version of makeinfo, or re-run configure
1039 with the `--without-makeinfo' option to build without the manuals.] )
1042 AC_SUBST(HAVE_MAKEINFO)
1044 dnl Just so that there is only a single place we need to edit.
1046 INFO_OPTS=--no-split
1050 if test $opsys = mingw32; then
1051 DOCMISC_W32=efaq-w32
1055 AC_SUBST(DOCMISC_W32)
1057 dnl Add our options to ac_link now, after it is set up.
1059 if test x$GCC = xyes; then
1060 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1061 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1063 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1064 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1067 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1068 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1069 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1070 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1071 dnl if not built to support GNU ld.
1073 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1074 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1075 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1076 dnl Eg "make LDFLAGS=... all" could run into problems,
1077 dnl http://bugs.debian.org/684788
1078 dnl * unnecessary, since temacs is the only thing that actually needs it.
1079 dnl Indeed this is where it was originally, prior to:
1080 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1081 late_LDFLAGS="$LDFLAGS"
1082 if test x$GCC = xyes; then
1083 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1085 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1088 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1090 AC_MSG_CHECKING([for -znocombreloc])
1091 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1092 [AC_MSG_RESULT(yes)],
1093 LDFLAGS_NOCOMBRELOC=
1094 [AC_MSG_RESULT(no)])
1096 LDFLAGS="$late_LDFLAGS"
1098 AC_CACHE_CHECK([whether addresses are sanitized],
1099 [emacs_cv_sanitize_address],
1102 [[#ifndef __has_feature
1103 #define __has_feature(f) 0
1105 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1107 #error "Addresses are not sanitized."
1110 [emacs_cv_sanitize_address=yes],
1111 [emacs_cv_sanitize_address=no])])
1113 dnl The function dump-emacs will not be defined and temacs will do
1114 dnl (load "loadup") automatically unless told otherwise.
1115 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1117 your-opsys-here) CANNOT_DUMP=yes ;;
1120 if test "$CANNOT_DUMP" = "yes"; then
1121 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1122 elif test "$emacs_cv_sanitize_address" = yes; then
1123 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1126 AC_SUBST(CANNOT_DUMP)
1129 UNEXEC_OBJ=unexelf.o
1131 # MSDOS uses unexcoff.o
1133 UNEXEC_OBJ=unexaix.o
1139 UNEXEC_OBJ=unexmacosx.o
1142 UNEXEC_OBJ=unexhp9k800.o
1145 UNEXEC_OBJ=unexw32.o
1148 # Use the Solaris dldump() function, called from unexsol.c, to dump
1149 # emacs, instead of the generic ELF dump code found in unexelf.c.
1150 # The resulting binary has a complete symbol table, and is better
1151 # for debugging and other observability tools (debuggers, pstack, etc).
1153 # If you encounter a problem using dldump(), please consider sending
1154 # a message to the OpenSolaris tools-linking mailing list:
1155 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1157 # It is likely that dldump() works with older Solaris too, but this has
1158 # not been tested, so for now this change is for Solaris 10 or newer.
1159 UNEXEC_OBJ=unexsol.o
1166 ## Let `ld' find image libs and similar things in /usr/local/lib.
1167 ## The system compiler, GCC, has apparently been modified to not
1168 ## look there, contrary to what a stock GCC would do.
1169 ### It's not our place to do this. See bug#10313#17.
1170 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1175 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1176 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1180 ### It's not our place to do this. See bug#10313#17.
1181 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1186 ## Han Boetes <han@boetes.org> says this is necessary,
1187 ## otherwise Emacs dumps core on elf systems.
1188 LD_SWITCH_SYSTEM="-Z"
1191 AC_SUBST(LD_SWITCH_SYSTEM)
1193 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1195 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1196 ## which has not been defined yet. When this was handled with cpp,
1197 ## it was expanded to null when configure sourced the s/*.h file.
1198 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1199 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1200 ## (or somesuch), but because it is supposed to go at the _front_
1201 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1202 ## Compare with the gnu-linux case below, which added to the end
1203 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1204 ## LD_SWITCH_SYSTEM_TEMACS.
1207 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1214 AC_CHECK_DECL([__ELF__])
1215 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1216 ## With ELF, make sure that all common symbols get allocated to in the
1217 ## data section. Otherwise, the dump of temacs may miss variables in
1218 ## the shared library that have been initialized. For example, with
1219 ## GNU libc, __malloc_initialized would normally be resolved to the
1220 ## shared library's .bss section, which is fatal.
1221 if test "x$GCC" = "xyes"; then
1222 C_SWITCH_MACHINE="-fno-common"
1224 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1227 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1228 dnl albeit under the mistaken assumption that said file
1229 dnl was no longer used.
1230 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1234 AC_SUBST(C_SWITCH_MACHINE)
1236 AC_SUBST(UNEXEC_OBJ)
1239 ## Some programs in src produce warnings saying certain subprograms
1240 ## are too complex and need a MAXMEM value greater than 2000 for
1241 ## additional optimization. --nils@exp-math.uni-essen.de
1242 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1243 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1244 if test "$opsys" = "mingw32"; then
1245 case "$canonical" in
1246 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1247 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1250 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1251 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1252 AC_SUBST(C_SWITCH_SYSTEM)
1257 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1258 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1260 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1262 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1264 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1266 ## Motif needs -lgen.
1267 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1270 AC_SUBST(LIBS_SYSTEM)
1272 ### Make sure subsequent tests use flags consistent with the build flags.
1274 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1275 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1277 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1280 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1281 AC_DEFUN([AC_TYPE_SIZE_T])
1282 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1283 AC_DEFUN([AC_TYPE_UID_T])
1287 dnl Current possibilities handled by sed (aix4-2 -> aix,
1288 dnl gnu-linux -> gnu/linux, etc.):
1289 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1290 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1291 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1298 ## Adding -lm confuses the dynamic linker, so omit it.
1301 freebsd | dragonfly )
1302 SYSTEM_TYPE=berkeley-unix
1304 gnu-linux | gnu-kfreebsd )
1306 hpux10-20 | hpux11 )
1310 SYSTEM_TYPE=windows-nt
1312 dnl NB this may be adjusted below.
1314 SYSTEM_TYPE=berkeley-unix
1318 SYSTEM_TYPE=usg-unix-v
1324 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1325 [The type of system you are compiling for; sets `system-type'.])
1328 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1329 pre_PKG_CONFIG_LIBS=$LIBS
1331 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1333 dnl This function definition taken from Gnome 2.0
1334 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1335 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1336 dnl also defines GSTUFF_PKG_ERRORS on error
1337 AC_DEFUN([PKG_CHECK_MODULES], [
1340 if test "$PKG_CONFIG" = "no" ; then
1341 ifelse([$4], , [AC_MSG_ERROR([
1342 *** 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])
1344 PKG_CONFIG_MIN_VERSION=0.9.0
1345 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1346 AC_MSG_CHECKING(for $2)
1348 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1349 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1350 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1357 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1358 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1359 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1365 ## If we have a custom action on failure, don't print errors, but
1366 ## do set a variable so people can do so. Do it in a subshell
1367 ## to capture any diagnostics in invoking pkg-config.
1368 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1369 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1375 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1376 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1380 if test $succeeded = yes; then
1381 ifelse([$3], , :, [$3])
1383 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.])], [$4])
1388 if test "${with_sound}" != "no"; then
1389 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1390 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1391 have_sound_header=yes, [], [
1393 #define WIN32_LEAN_AND_MEAN
1394 #include <windows.h>
1397 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1398 AC_MSG_ERROR([OSS sound support requested but not found.])
1400 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1401 # Emulation library used on NetBSD.
1402 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1403 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1404 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1405 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1406 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1410 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1412 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1413 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1414 if test $HAVE_ALSA = yes; then
1415 SAVE_CFLAGS="$CFLAGS"
1417 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1418 LIBS="$ALSA_LIBS $LIBS"
1419 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1420 emacs_alsa_normal=yes,
1421 emacs_alsa_normal=no)
1422 if test "$emacs_alsa_normal" != yes; then
1423 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1424 [[snd_lib_error_set_handler (0);]])],
1425 emacs_alsa_subdir=yes,
1426 emacs_alsa_subdir=no)
1427 if test "$emacs_alsa_subdir" != yes; then
1428 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1430 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1433 CFLAGS="$SAVE_CFLAGS"
1435 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1436 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1437 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1438 elif test "${with_sound}" = "alsa"; then
1439 AC_MSG_ERROR([ALSA sound support requested but not found.])
1441 fi dnl with_sound = alsa|yes
1443 dnl Define HAVE_SOUND if we have sound support. We know it works and
1444 dnl compiles only on the specified platforms. For others, it
1445 dnl probably doesn't make sense to try.
1446 dnl FIXME So surely we should bypass this whole section if not using
1447 dnl one of these platforms?
1448 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1450 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1451 dnl Adjust the --with-sound help text if you change this.
1452 gnu-linux|freebsd|netbsd|mingw32)
1453 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1459 AC_SUBST(CFLAGS_SOUND)
1462 dnl checks for header files
1463 AC_CHECK_HEADERS_ONCE(
1467 sys/utsname.h pwd.h utmp.h util.h)
1469 AC_MSG_CHECKING(if personality LINUX32 can be set)
1470 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1471 emacs_cv_personality_linux32=yes,
1472 emacs_cv_personality_linux32=no)
1473 AC_MSG_RESULT($emacs_cv_personality_linux32)
1475 if test $emacs_cv_personality_linux32 = yes; then
1476 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1477 [Define to 1 if personality LINUX32 can be set.])
1480 dnl On Solaris 8 there's a compilation warning for term.h because
1481 dnl it doesn't define `bool'.
1482 AC_CHECK_HEADERS(term.h, , , -)
1484 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1486 if test $ac_cv_have_decl_sys_siglist != yes; then
1487 # For Tru64, at least:
1488 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1493 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1494 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1495 #if HAVE_SYS_SOCKET_H
1496 #include <sys/socket.h>
1498 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1499 #if HAVE_SYS_SOCKET_H
1500 #include <sys/socket.h>
1502 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1503 #if HAVE_SYS_SOCKET_H
1504 #include <sys/socket.h>
1507 dnl checks for structure members
1508 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1509 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1510 struct ifreq.ifr_addr,
1511 struct ifreq.ifr_addr.sa_len], , ,
1512 [AC_INCLUDES_DEFAULT
1513 #if HAVE_SYS_SOCKET_H
1514 #include <sys/socket.h>
1520 dnl Check for endianness.
1521 dnl AC_C_BIGENDIAN is done by gnulib.
1523 dnl check for Make feature
1524 dnl AC_PROG_MAKE_SET is done by Automake.
1529 dnl check for GNU Make if we have GCC and autodepend is on.
1530 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1531 AC_MSG_CHECKING([whether we are using GNU Make])
1533 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1534 if test "x$testval" != x; then
1537 ac_enable_autodepend=no
1539 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1540 if test $HAVE_GNU_MAKE = yes; then
1541 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1542 SAVE_CFLAGS="$CFLAGS"
1543 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1544 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1545 CFLAGS="$SAVE_CFLAGS"
1546 test -f deps.d || ac_enable_autodepend=no
1548 AC_MSG_RESULT([$ac_enable_autodepend])
1550 if test $ac_enable_autodepend = yes; then
1551 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1552 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1553 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1554 deps_frag=autodeps.mk
1557 deps_frag=$srcdir/src/$deps_frag
1560 AC_SUBST_FILE(deps_frag)
1563 lisp_frag=$srcdir/src/lisp.mk
1564 AC_SUBST_FILE(lisp_frag)
1567 dnl checks for operating system services
1568 AC_SYS_LONG_FILE_NAMES
1570 #### Choose a window system.
1572 ## We leave window_system equal to none if
1573 ## we end up building without one. Any new window system should
1574 ## set window_system to an appropriate value and add objects to
1575 ## window-system-specific substs.
1579 if test "$no_x" != yes; then
1583 LD_SWITCH_X_SITE_RPATH=
1584 if test "${x_libraries}" != NONE; then
1585 if test -n "${x_libraries}"; then
1586 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1587 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1589 x_default_search_path=""
1590 x_search_path=${x_libraries}
1591 if test -z "${x_search_path}"; then
1592 x_search_path=/usr/lib
1594 for x_library in `echo ${x_search_path}: | \
1595 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1597 ${x_library}/X11/%L/%T/%N%C%S:\
1598 ${x_library}/X11/%l/%T/%N%C%S:\
1599 ${x_library}/X11/%T/%N%C%S:\
1600 ${x_library}/X11/%L/%T/%N%S:\
1601 ${x_library}/X11/%l/%T/%N%S:\
1602 ${x_library}/X11/%T/%N%S"
1603 if test x"${x_default_search_path}" = x; then
1604 x_default_search_path=${x_search_path}
1606 x_default_search_path="${x_search_path}:${x_default_search_path}"
1610 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1612 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1613 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1616 if test x"${x_includes}" = x; then
1617 bitmapdir=/usr/include/X11/bitmaps
1619 # accumulate include directories that have X11 bitmap subdirectories
1621 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1622 if test -d "${bmd}/X11/bitmaps"; then
1623 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1625 if test -d "${bmd}/bitmaps"; then
1626 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1629 if test ${bmd_acc} != "dummyval"; then
1630 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1637 tmp_CPPFLAGS="$CPPFLAGS"
1638 tmp_CFLAGS="$CFLAGS"
1639 CPPFLAGS="$CPPFLAGS -x objective-c"
1640 CFLAGS="$CFLAGS -x objective-c"
1643 if test "${with_ns}" != no; then
1644 if test "${opsys}" = darwin; then
1646 ns_appdir=`pwd`/nextstep/Emacs.app
1647 ns_appbindir=${ns_appdir}/Contents/MacOS
1648 ns_appresdir=${ns_appdir}/Contents/Resources
1649 ns_appsrc=Cocoa/Emacs.base
1650 elif test -f $GNUSTEP_CONFIG_FILE; then
1652 ns_appdir=`pwd`/nextstep/Emacs.app
1653 ns_appbindir=${ns_appdir}
1654 ns_appresdir=${ns_appdir}/Resources
1655 ns_appsrc=GNUstep/Emacs.base
1656 dnl FIXME sourcing this several times in subshells seems inefficient.
1657 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1658 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1659 dnl I seemed to need these as well with GNUstep-startup 0.25.
1660 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1661 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1662 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1663 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1664 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1665 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1666 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1667 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1668 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1669 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1670 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1671 dnl If they had chosen to either define it or not, we could have
1672 dnl just used AC_CHECK_DECL here.
1673 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1674 emacs_cv_objc_exceptions,
1675 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1676 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1680 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1681 if test $emacs_cv_objc_exceptions = yes; then
1682 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1683 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1684 [Define if GNUstep uses ObjC exceptions.])
1685 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1689 dnl This is only used while we test the NS headers, it gets reset below.
1690 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1692 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1693 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1694 files are missing or cannot be compiled.])])
1697 if test "${NS_IMPL_COCOA}" = "yes"; then
1698 AC_MSG_CHECKING([for OSX 10.4 or newer])
1699 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1701 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1702 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1705 #error "OSX 10.4 or newer required"
1709 ns_osx_have_104=yes,
1711 AC_MSG_RESULT([$ns_osx_have_104])
1713 if test $ns_osx_have_104 = no; then
1714 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1716 AC_MSG_CHECKING([for OSX 10.5 or newer])
1717 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1719 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1720 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1723 #error "OSX 10.5 not found"
1727 ns_osx_have_105=yes,
1729 AC_MSG_RESULT([$ns_osx_have_105])
1730 if test $ns_osx_have_105 = yes; then
1731 macfont_file="macfont.o"
1734 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1736 ns_have_nsinteger=yes,
1737 ns_have_nsinteger=no)
1738 if test $ns_have_nsinteger = yes; then
1739 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1743 AC_SUBST(LIBS_GNUSTEP)
1745 INSTALL_ARCH_INDEP_EXTRA=install-etc
1746 ns_self_contained=no
1749 if test "${HAVE_NS}" = yes; then
1750 if test "$with_toolkit_scroll_bars" = "no"; then
1751 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1754 window_system=nextstep
1755 # set up packaging dirs
1756 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1757 ns_self_contained=yes
1758 prefix=${ns_appresdir}
1759 exec_prefix=${ns_appbindir}
1760 dnl This one isn't really used, only archlibdir is.
1761 libexecdir="\${ns_appbindir}/libexec"
1762 archlibdir="\${ns_appbindir}/libexec"
1763 etcdocdir="\${ns_appresdir}/etc"
1764 etcdir="\${ns_appresdir}/etc"
1765 dnl FIXME maybe set datarootdir instead.
1766 dnl That would also get applications, icons, man.
1767 infodir="\${ns_appresdir}/info"
1768 mandir="\${ns_appresdir}/man"
1769 lispdir="\${ns_appresdir}/lisp"
1770 INSTALL_ARCH_INDEP_EXTRA=
1773 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1775 CFLAGS="$tmp_CFLAGS"
1776 CPPFLAGS="$tmp_CPPFLAGS"
1777 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1778 AC_SUBST(ns_self_contained)
1780 AC_SUBST(NS_OBJC_OBJ)
1791 if test "${with_w32}" != no; then
1794 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1795 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1796 cannot be found.])])
1799 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1802 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1807 if test "${opsys}" = "mingw32"; then
1808 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1809 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1810 #include <windows.h>
1811 #include <usp10.h>]],
1812 [[PIMAGE_NT_HEADERS pHeader;
1813 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1814 [emacs_cv_w32api=yes
1817 AC_MSG_RESULT($emacs_cv_w32api)
1818 if test "${emacs_cv_w32api}" = "no"; then
1819 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1830 if test "${HAVE_W32}" = "yes"; then
1831 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1832 AC_CHECK_TOOL(WINDRES, [windres],
1833 [AC_MSG_ERROR([No resource compiler found.])])
1834 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1835 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1836 EMACSRES="emacs.res"
1837 case "$canonical" in
1838 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1839 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1841 UPDATE_MANIFEST=update-game-score.exe.manifest
1842 if test "${opsys}" = "cygwin"; then
1843 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1844 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1845 # Tell the linker that emacs.res is an object (which we compile from
1846 # the rc file), not a linker script.
1847 W32_RES_LINK="-Wl,emacs.res"
1849 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1850 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1851 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1852 W32_RES_LINK="\$(EMACSRES)"
1853 CLIENTRES="emacsclient.res"
1854 CLIENTW="emacsclientw\$(EXEEXT)"
1855 FIRSTFILE_OBJ=firstfile.o
1858 LIBS_ECLIENT="-lcomctl32"
1859 LIB_WSOCK32="-lwsock32"
1860 NTLIB="ntlib.$ac_objext"
1861 XARGS_LIMIT="-s 10000"
1867 AC_SUBST(EMACS_MANIFEST)
1868 AC_SUBST(UPDATE_MANIFEST)
1871 AC_SUBST(W32_RES_LINK)
1872 AC_SUBST(FIRSTFILE_OBJ)
1875 AC_SUBST(LIBS_ECLIENT)
1876 AC_SUBST(LIB_WSOCK32)
1878 AC_SUBST(XARGS_LIMIT)
1880 if test "${HAVE_W32}" = "yes"; then
1885 ## $window_system is now set to the window system we will
1888 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1889 # Too many warnings for now.
1891 nw="$nw -Wsuggest-attribute=const"
1892 nw="$nw -Wsuggest-attribute=noreturn"
1893 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1895 gl_WARN_ADD([-Wno-unused-variable])
1896 gl_WARN_ADD([-Wno-unused-but-set-variable])
1897 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1905 case "${window_system}" in
1910 case "${with_x_toolkit}" in
1911 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1912 motif ) USE_X_TOOLKIT=MOTIF ;;
1914 term_header=gtkutil.h
1915 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1916 dnl USE_X_TOOLKIT is set.
1917 USE_X_TOOLKIT=none ;;
1918 gtk2 ) with_gtk2=yes
1919 term_header=gtkutil.h
1920 USE_X_TOOLKIT=none ;;
1921 gtk3 ) with_gtk3=yes
1922 term_header=gtkutil.h
1923 USE_X_TOOLKIT=none ;;
1924 no ) USE_X_TOOLKIT=none ;;
1925 dnl If user did not say whether to use a toolkit, make this decision later:
1926 dnl use the toolkit if we have gtk, or X11R5 or newer.
1927 * ) USE_X_TOOLKIT=maybe ;;
1931 term_header=nsterm.h
1934 term_header=w32term.h
1938 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1939 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1940 if test "$HAVE_XSERVER" = true ||
1941 test -n "$DISPLAY" ||
1942 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1943 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1944 were found. You should install the relevant development files for X
1945 and for the toolkit you want, such as Gtk+ or Motif. Also make
1946 sure you have development files for image handling, i.e.
1947 tiff, gif, jpeg, png and xpm.
1948 If you are sure you want Emacs compiled without X window support, pass
1954 # Does the opsystem file prohibit the use of the GNU malloc?
1955 # Assume not, until told otherwise.
1959 [whether malloc is Doug Lea style],
1960 [emacs_cv_var_doug_lea_malloc],
1961 [emacs_cv_var_doug_lea_malloc=no
1962 dnl Hooks do not work with address sanitization.
1963 if test "$emacs_cv_sanitize_address" != yes; then
1966 [[#include <malloc.h>
1967 static void hook (void) {}]],
1968 [[malloc_set_state (malloc_get_state ());
1969 __after_morecore_hook = hook;
1970 __malloc_initialize_hook = hook;]])],
1971 [emacs_cv_var_doug_lea_malloc=yes])])
1973 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1975 system_malloc=$emacs_cv_sanitize_address
1977 ## darwin ld insists on the use of malloc routines in the System framework.
1978 darwin|sol2-10) system_malloc=yes ;;
1982 if test "${system_malloc}" = "yes"; then
1983 AC_DEFINE([SYSTEM_MALLOC], 1,
1984 [Define to 1 to use the system memory allocator, even if it is not
1988 (The GNU allocators don't work with this system configuration.)"
1991 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1992 VMLIMIT_OBJ=vm-limit.o
1994 AC_CHECK_HEADERS([sys/vlimit.h])
1995 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1998 [[extern char data_start[]; char ch;]],
1999 [[return data_start < &ch;]])],
2000 [emacs_cv_data_start=yes],
2001 [emacs_cv_data_start=no])])
2002 if test $emacs_cv_data_start = yes; then
2003 AC_DEFINE([HAVE_DATA_START], 1,
2004 [Define to 1 if data_start is the address of the start
2005 of the main data segment.])
2008 AC_SUBST(GMALLOC_OBJ)
2009 AC_SUBST(VMLIMIT_OBJ)
2011 if test "$doug_lea_malloc" = "yes" ; then
2012 if test "$GNU_MALLOC" = yes ; then
2014 (Using Doug Lea's new malloc from the GNU C Library.)"
2016 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2017 [Define to 1 if the system memory allocator is Doug Lea style,
2018 with malloc hooks and malloc_set_state.])
2020 ## Use mmap directly for allocating larger buffers.
2021 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2022 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2023 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2025 gnu*) REL_ALLOC=no ;;
2029 if test x"${REL_ALLOC}" = x; then
2030 REL_ALLOC=${GNU_MALLOC}
2033 use_mmap_for_buffers=no
2035 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2039 if test $use_mmap_for_buffers = yes; then
2040 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2044 LIBS="$LIBS_SYSTEM $LIBS"
2046 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
2047 AC_CHECK_LIB(dnet, dnet_ntoa)
2048 dnl This causes -lresolv to get used in subsequent tests,
2049 dnl which causes failures on some systems such as HPUX 9.
2050 dnl AC_CHECK_LIB(resolv, gethostbyname)
2052 dnl FIXME replace main with a function we actually want from this library.
2053 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2055 dnl Check if pthreads is available.
2057 AC_CHECK_HEADERS_ONCE(pthread.h)
2058 if test "$ac_cv_header_pthread_h"; then
2059 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2060 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2061 dnl testing for pthread_self if Emacs uses gmalloc.c.
2062 if test "$GMALLOC_OBJ" = gmalloc.o; then
2063 emacs_pthread_function=pthread_atfork
2065 emacs_pthread_function=pthread_self
2067 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
2069 if test "$HAVE_PTHREAD" = yes; then
2070 case "${canonical}" in
2072 *) LIB_PTHREAD="-lpthread"
2073 LIBS="$LIB_PTHREAD $LIBS" ;;
2075 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
2077 AC_SUBST([LIB_PTHREAD])
2079 AC_CHECK_LIB(pthreads, cma_open)
2081 ## Note: when using cpp in s/aix4.2.h, this definition depended on
2082 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
2083 ## the system file was sourced. Hence the value of LIBS_SYSTEM
2084 ## added to LIBS in configure would never contain the pthreads part,
2085 ## but the value used in Makefiles might. FIXME?
2087 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
2088 ## be harmless on older versions of X where it happens to exist.
2089 test "$opsys" = "aix4-2" && \
2090 test $ac_cv_lib_pthreads_cma_open = yes && \
2091 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2093 dnl Check for need for bigtoc support on IBM AIX
2097 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2099 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2100 *) gdb_cv_bigtoc=-bbigtoc ;;
2103 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2104 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2109 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2110 # used for the tests that follow. We set them back to REAL_CFLAGS and
2111 # REAL_CPPFLAGS later on.
2113 REAL_CFLAGS="$CFLAGS"
2114 REAL_CPPFLAGS="$CPPFLAGS"
2116 if test "${HAVE_X11}" = "yes"; then
2117 DEFS="$C_SWITCH_X_SITE $DEFS"
2118 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2120 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2121 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2123 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2124 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2125 # but it's more convenient here to set LD_RUN_PATH since this
2126 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2127 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2128 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2132 if test "${opsys}" = "gnu-linux"; then
2133 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2134 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2135 [[XOpenDisplay ("foo");]])],
2136 [xgnu_linux_first_failure=no],
2137 [xgnu_linux_first_failure=yes])
2138 if test "${xgnu_linux_first_failure}" = "yes"; then
2139 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2140 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2141 OLD_CPPFLAGS="$CPPFLAGS"
2143 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2144 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2145 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2146 LIBS="$LIBS -b i486-linuxaout"
2147 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2148 [[XOpenDisplay ("foo");]])],
2149 [xgnu_linux_second_failure=no],
2150 [xgnu_linux_second_failure=yes])
2151 if test "${xgnu_linux_second_failure}" = "yes"; then
2152 # If we get the same failure with -b, there is no use adding -b.
2153 # So take it out. This plays safe.
2154 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2155 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2156 CPPFLAGS="$OLD_CPPFLAGS"
2167 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2168 # header files included from there.
2169 AC_MSG_CHECKING(for Xkb)
2170 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2171 #include <X11/XKBlib.h>]],
2172 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2173 emacs_xkb=yes, emacs_xkb=no)
2174 AC_MSG_RESULT($emacs_xkb)
2175 if test $emacs_xkb = yes; then
2176 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2179 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2180 XScreenNumberOfScreen)
2183 if test "${window_system}" = "x11"; then
2184 AC_MSG_CHECKING(X11 version 6)
2185 AC_CACHE_VAL(emacs_cv_x11_version_6,
2186 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2187 [[#if XlibSpecificationRelease < 6
2190 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2191 if test $emacs_cv_x11_version_6 = yes; then
2192 AC_MSG_RESULT(6 or newer)
2193 AC_DEFINE(HAVE_X11R6, 1,
2194 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2195 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2196 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2200 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2201 [Define if you have usable X11R6-style XIM support.])
2205 AC_MSG_RESULT(before 6)
2210 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2212 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2213 if test "${with_rsvg}" != "no"; then
2214 RSVG_REQUIRED=2.11.0
2215 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2217 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2218 AC_SUBST(RSVG_CFLAGS)
2221 if test $HAVE_RSVG = yes; then
2222 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2223 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2224 # Windows loads librsvg dynamically
2225 if test "${opsys}" = "mingw32"; then
2228 LIBS="$RSVG_LIBS $LIBS"
2234 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2235 if test "${with_imagemagick}" != "no"; then
2236 ## 6.2.8 is the earliest version known to work, but earlier versions
2237 ## might work - let us know if you find one.
2238 ## 6.0.7 does not work. See bug#7955.
2239 ## 6.8.2 makes Emacs crash; see Bug#13867.
2240 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2241 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2242 AC_SUBST(IMAGEMAGICK_CFLAGS)
2243 AC_SUBST(IMAGEMAGICK_LIBS)
2245 if test $HAVE_IMAGEMAGICK = yes; then
2246 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2247 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2248 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2249 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2257 gtk_term_header=$term_header
2260 if test "${opsys}" != "mingw32"; then
2261 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2264 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2266 dnl Checks for libraries.
2267 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2268 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2269 AC_MSG_ERROR($GTK_PKG_ERRORS)
2271 if test "$pkg_check_gtk" = "yes"; then
2272 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2273 GTK_OBJ=emacsgtkfixed.o
2274 gtk_term_header=gtkutil.h
2275 USE_GTK_TOOLKIT="GTK3"
2276 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2277 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2278 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2279 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2280 [Define to 1 to disable Glib deprecation warnings.])
2284 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2288 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2291 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2293 dnl Checks for libraries.
2294 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2295 if test "$pkg_check_gtk" = "no" &&
2296 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2298 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2300 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2304 if test x"$pkg_check_gtk" = xyes; then
2307 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2308 CFLAGS="$CFLAGS $GTK_CFLAGS"
2309 LIBS="$GTK_LIBS $LIBS"
2310 dnl Try to compile a simple GTK program.
2311 AC_MSG_CHECKING([whether GTK compiles])
2315 [[/* Check the Gtk and Glib APIs. */
2316 #include <gtk/gtk.h>
2317 #include <glib-object.h>
2319 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2323 GtkSettings *gs = 0;
2324 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2325 strict C prohibits this. Use gtk_main_iteration to test that the
2326 libraries are there. */
2327 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2328 0, 0, 0, G_CALLBACK (callback), 0))
2329 gtk_main_iteration ();
2332 AC_MSG_RESULT([$GTK_COMPILES])
2333 if test "${GTK_COMPILES}" != "yes"; then
2335 if test "$USE_X_TOOLKIT" != "maybe"; then
2336 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2340 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2341 GTK_OBJ="gtkutil.o $GTK_OBJ"
2342 term_header=$gtk_term_header
2344 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2347 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2348 closing open displays. This is no problem if you just use
2349 one display, but if you use more than one and close one of them
2359 if test "${HAVE_GTK}" = "yes"; then
2361 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2362 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2363 if test "$with_toolkit_scroll_bars" != no; then
2364 with_toolkit_scroll_bars=yes
2367 dnl Check if we have the old file selection dialog declared and
2368 dnl in the link library. In 2.x it may be in the library,
2369 dnl but not declared if deprecated featured has been selected out.
2370 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2371 HAVE_GTK_FILE_SELECTION=no
2372 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2373 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2374 #include <gtk/gtk.h>])
2375 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2376 AC_CHECK_FUNCS(gtk_file_selection_new)
2379 dnl Same as above for gtk_handle_box.
2380 HAVE_GTK_HANDLE_BOX=no
2381 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2382 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2383 #include <gtk/gtk.h>])
2384 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2385 AC_CHECK_FUNCS(gtk_handle_box_new)
2388 dnl Same as above for gtk_tearoff_menu_item.
2389 HAVE_GTK_TEAROFF_MENU_ITEM=no
2390 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2391 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2392 #include <gtk/gtk.h>])
2393 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2394 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2397 dnl Check for functions introduced in 2.14 and later.
2398 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2399 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2400 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2401 gtk_orientable_set_orientation \
2402 gtk_window_set_has_resize_grip)
2404 term_header=gtkutil.h
2407 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2408 dnl other platforms.
2411 if test "${with_dbus}" = "yes"; then
2412 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2413 if test "$HAVE_DBUS" = yes; then
2414 LIBS="$LIBS $DBUS_LIBS"
2415 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2416 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2417 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2419 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2420 dbus_type_is_valid \
2421 dbus_validate_bus_name \
2422 dbus_validate_path \
2423 dbus_validate_interface \
2424 dbus_validate_member)
2430 dnl GSettings has been tested under GNU/Linux only.
2432 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2433 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2434 if test "$HAVE_GSETTINGS" = "yes"; then
2435 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2436 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2437 SETTINGS_LIBS="$GSETTINGS_LIBS"
2441 dnl GConf has been tested under GNU/Linux only.
2442 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2444 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2445 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2446 if test "$HAVE_GCONF" = yes; then
2447 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2448 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2449 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2450 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2454 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2455 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2456 if test "$HAVE_GOBJECT" = "yes"; then
2457 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2458 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2460 SAVE_CFLAGS="$CFLAGS"
2462 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2463 LIBS="$SETTINGS_LIBS $LIBS"
2464 CFLAGS="$SAVE_CFLAGS"
2467 AC_SUBST(SETTINGS_CFLAGS)
2468 AC_SUBST(SETTINGS_LIBS)
2471 dnl SELinux is available for GNU/Linux only.
2474 if test "${with_selinux}" = "yes"; then
2475 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2476 if test "$HAVE_LIBSELINUX" = yes; then
2477 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2478 LIBSELINUX_LIBS=-lselinux
2481 AC_SUBST(LIBSELINUX_LIBS)
2485 if test "${with_gnutls}" = "yes" ; then
2486 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2487 if test "${HAVE_GNUTLS3}" = "yes"; then
2488 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2491 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2493 if test "${HAVE_GNUTLS}" = "yes"; then
2494 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2497 # Windows loads GnuTLS dynamically
2498 if test "${opsys}" = "mingw32"; then
2501 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2502 LIBS="$LIBGNUTLS_LIBS $LIBS"
2506 AC_SUBST(LIBGNUTLS_LIBS)
2507 AC_SUBST(LIBGNUTLS_CFLAGS)
2512 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2513 dnl a particular library. This doesn't make much sense?
2514 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2515 with_file_notification=no
2518 dnl MS Windows native file monitor is available for mingw32 only.
2519 case $with_file_notification,$opsys in
2520 w32,* | yes,mingw32)
2521 AC_CHECK_HEADER(windows.h)
2522 if test "$ac_cv_header_windows_h" = yes ; then
2523 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2524 NOTIFY_OBJ=w32notify.o
2525 NOTIFY_SUMMARY="yes (w32)"
2529 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2530 dnl has been added in glib 2.24. It has been tested under
2531 dnl GNU/Linux only. We take precedence over inotify, but this makes
2532 dnl only sense when glib has been compiled with inotify support. How
2534 case $with_file_notification,$NOTIFY_OBJ in
2536 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2537 if test "$HAVE_GFILENOTIFY" = "yes"; then
2538 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2539 NOTIFY_OBJ=gfilenotify.o
2540 NOTIFY_SUMMARY="yes -lgio (gfile)"
2544 dnl inotify is only available on GNU/Linux.
2545 case $with_file_notification,$NOTIFY_OBJ in
2547 AC_CHECK_HEADER(sys/inotify.h)
2548 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2549 AC_CHECK_FUNC(inotify_init1)
2550 if test "$ac_cv_func_inotify_init1" = yes; then
2551 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2552 NOTIFY_OBJ=inotify.o
2553 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2558 case $with_file_notification,$NOTIFY_OBJ in
2559 yes,* | no,* | *,?*) ;;
2560 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2563 if test -n "$NOTIFY_OBJ"; then
2564 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2566 AC_SUBST(NOTIFY_OBJ)
2567 AC_SUBST(GFILENOTIFY_CFLAGS)
2568 AC_SUBST(GFILENOTIFY_LIBS)
2570 dnl Do not put whitespace before the #include statements below.
2571 dnl Older compilers (eg sunos4 cc) choke on it.
2574 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2575 if test "$with_xaw3d" != no; then
2576 AC_CACHE_VAL(emacs_cv_xaw3d,
2577 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2578 #include <X11/Intrinsic.h>
2579 #include <X11/Xaw3d/Simple.h>]],
2581 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2582 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2583 emacs_cv_xaw3d=no)])
2587 if test $emacs_cv_xaw3d = yes; then
2588 AC_MSG_CHECKING(for xaw3d)
2589 AC_MSG_RESULT([yes; using Lucid toolkit])
2593 AC_DEFINE(HAVE_XAW3D, 1,
2594 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2596 AC_MSG_CHECKING(for xaw3d)
2598 AC_MSG_CHECKING(for libXaw)
2599 AC_CACHE_VAL(emacs_cv_xaw,
2600 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2601 #include <X11/Intrinsic.h>
2602 #include <X11/Xaw/Simple.h>]],
2606 if test $emacs_cv_xaw = yes; then
2607 AC_MSG_RESULT([yes; using Lucid toolkit])
2610 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2611 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2613 AC_MSG_ERROR([No X toolkit could be found.
2614 If you are sure you want Emacs compiled without an X toolkit, pass
2616 to configure. Otherwise, install the development libraries for the toolkit
2617 that you want to use (e.g. Gtk+) and re-run configure.])
2622 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2625 if test "${USE_X_TOOLKIT}" != "none"; then
2626 AC_MSG_CHECKING(X11 toolkit version)
2627 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2628 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2629 [[#if XtSpecificationRelease < 6
2632 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2633 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2634 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2635 AC_MSG_RESULT(6 or newer)
2636 AC_DEFINE(HAVE_X11XTR6, 1,
2637 [Define to 1 if you have the X11R6 or newer version of Xt.])
2638 LIBXTR6="-lSM -lICE"
2640 ## Use libw.a along with X11R6 Xt.
2641 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2644 AC_MSG_RESULT(before 6)
2647 dnl If using toolkit, check whether libXmu.a exists.
2648 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2650 if test x$HAVE_X11XTR6 = xyes; then
2651 LIBS="-lXt -lSM -lICE $LIBS"
2655 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2656 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2657 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2661 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2662 dnl Why not just test for libxmu in the normal way?
2665 ## These systems don't supply Xmu.
2667 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2675 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2676 if test "${HAVE_X11}" = "yes"; then
2677 if test "${USE_X_TOOLKIT}" != "none"; then
2678 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2683 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2684 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2685 if test -d /usr/include/openmotif; then
2686 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2687 emacs_cv_openmotif=yes
2688 case "$canonical" in
2689 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2690 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2693 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2696 emacs_cv_openmotif=no
2698 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2699 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2700 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2703 Motif version prior to 2.1.
2705 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2706 if test $emacs_cv_motif_version_2_1 = yes; then
2707 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2708 if test x$emacs_cv_openmotif = xyes; then
2709 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2712 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2713 # We put this in CFLAGS temporarily to precede other -I options
2714 # that might be in CFLAGS temporarily.
2715 # We put this in CPPFLAGS where it precedes the other -I options.
2716 OLD_CPPFLAGS=$CPPFLAGS
2718 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2719 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2720 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2722 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2723 if test $emacs_cv_lesstif = yes; then
2724 # Make sure this -I option remains in CPPFLAGS after it is set
2725 # back to REAL_CPPFLAGS.
2726 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2727 # have those other -I options anyway. Ultimately, having this
2728 # directory ultimately in CPPFLAGS will be enough.
2729 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2730 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2733 CPPFLAGS=$OLD_CPPFLAGS
2736 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2737 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2740 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2741 dnl using Motif or Xaw3d is available, and unless
2742 dnl --with-toolkit-scroll-bars=no was specified.
2744 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2745 [Define to 1 if we should use toolkit scroll bars.])dnl
2746 USE_TOOLKIT_SCROLL_BARS=no
2747 if test "${with_toolkit_scroll_bars}" != "no"; then
2748 if test "${USE_X_TOOLKIT}" != "none"; then
2749 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2750 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2752 USE_TOOLKIT_SCROLL_BARS=yes
2753 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2754 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2755 USE_TOOLKIT_SCROLL_BARS=yes
2757 elif test "${HAVE_GTK}" = "yes"; then
2758 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2759 USE_TOOLKIT_SCROLL_BARS=yes
2760 elif test "${HAVE_NS}" = "yes"; then
2761 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2762 USE_TOOLKIT_SCROLL_BARS=yes
2763 elif test "${HAVE_W32}" = "yes"; then
2764 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2765 USE_TOOLKIT_SCROLL_BARS=yes
2769 dnl See if XIM is available.
2770 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2771 #include <X11/Xlib.h>
2772 #include <X11/Xresource.h>]],
2773 [[XIMProc callback;]])],
2775 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2778 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2780 if test "${with_xim}" != "no"; then
2781 AC_DEFINE(USE_XIM, 1,
2782 [Define to 1 if we should use XIM, if it is available.])
2786 if test "${HAVE_XIM}" != "no"; then
2788 if test "$GCC" = yes; then
2789 CFLAGS="$CFLAGS --pedantic-errors"
2791 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2792 #include <X11/Xlib.h>
2793 #include <X11/Xresource.h>]],
2799 XPointer *client_data;
2801 /* If we're not using GCC, it's probably not XFree86, and this is
2802 probably right, but we can't use something like --pedantic-errors. */
2803 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2804 char*, XIMProc, XPointer*);
2806 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2808 [emacs_cv_arg6_star=yes])
2809 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2810 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2811 either XPointer or XPointer*.])dnl
2812 if test "$emacs_cv_arg6_star" = yes; then
2813 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2815 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2820 ### Start of font-backend (under any platform) section.
2821 # (nothing here yet -- this is a placeholder)
2822 ### End of font-backend (under any platform) section.
2824 ### Start of font-backend (under X11) section.
2825 if test "${HAVE_X11}" = "yes"; then
2826 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2828 ## Use -lXft if available, unless `--with-xft=no'.
2830 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2833 if test "x${with_xft}" != "xno"; then
2835 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2836 ## Because xftfont.c uses XRenderQueryExtension, we also
2837 ## need to link to -lXrender.
2839 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2840 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2841 OLD_CPPFLAGS="$CPPFLAGS"
2842 OLD_CFLAGS="$CFLAGS"
2844 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2845 CFLAGS="$CFLAGS $XFT_CFLAGS"
2846 XFT_LIBS="-lXrender $XFT_LIBS"
2847 LIBS="$XFT_LIBS $LIBS"
2848 AC_CHECK_HEADER(X11/Xft/Xft.h,
2849 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2850 [[#include <X11/X.h>]])
2852 if test "${HAVE_XFT}" = "yes"; then
2853 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2855 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2857 CPPFLAGS="$OLD_CPPFLAGS"
2858 CFLAGS="$OLD_CFLAGS"
2860 fi # "${HAVE_XFT}" = "yes"
2861 fi # "$HAVE_XFT" != no
2862 fi # "x${with_xft}" != "xno"
2864 ## We used to allow building with FreeType and without Xft.
2865 ## However, the ftx font backend driver is not in good shape.
2866 if test "$HAVE_XFT" != "yes"; then
2867 dnl For the "Does Emacs use" message at the end.
2871 dnl Strict linkers fail with
2872 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2873 dnl if -lfreetype is not specified.
2874 dnl The following is needed to set FREETYPE_LIBS.
2875 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2878 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2882 if test "${HAVE_FREETYPE}" = "yes"; then
2883 AC_DEFINE(HAVE_FREETYPE, 1,
2884 [Define to 1 if using the freetype and fontconfig libraries.])
2885 if test "${with_libotf}" != "no"; then
2886 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2888 if test "$HAVE_LIBOTF" = "yes"; then
2889 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2890 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2891 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2892 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2893 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2894 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2895 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2899 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2900 dnl Does the new font backend require it, or can it work without it?
2904 if test "${HAVE_LIBOTF}" = yes; then
2905 if test "${with_m17n_flt}" != "no"; then
2906 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2907 if test "$HAVE_M17N_FLT" = "yes"; then
2908 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2919 ### End of font-backend (under X11) section.
2921 AC_SUBST(FREETYPE_CFLAGS)
2922 AC_SUBST(FREETYPE_LIBS)
2923 AC_SUBST(FONTCONFIG_CFLAGS)
2924 AC_SUBST(FONTCONFIG_LIBS)
2925 AC_SUBST(LIBOTF_CFLAGS)
2926 AC_SUBST(LIBOTF_LIBS)
2927 AC_SUBST(M17N_FLT_CFLAGS)
2928 AC_SUBST(M17N_FLT_LIBS)
2930 ### Use -lXpm if available, unless `--with-xpm=no'.
2931 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2934 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2935 if test "${with_xpm}" != "no"; then
2936 SAVE_CPPFLAGS="$CPPFLAGS"
2937 SAVE_LDFLAGS="$LDFLAGS"
2938 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2939 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2940 AC_CHECK_HEADER(X11/xpm.h,
2941 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2942 if test "${HAVE_XPM}" = "yes"; then
2943 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2944 AC_EGREP_CPP(no_return_alloc_pixels,
2945 [#include "X11/xpm.h"
2946 #ifndef XpmReturnAllocPixels
2947 no_return_alloc_pixels
2949 ], HAVE_XPM=no, HAVE_XPM=yes)
2951 if test "${HAVE_XPM}" = "yes"; then
2952 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2956 CPPFLAGS="$SAVE_CPPFLAGS"
2957 LDFLAGS="$SAVE_LDFLAGS"
2962 if test "${HAVE_XPM}" = "yes"; then
2963 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2968 if test "${HAVE_X11}" = "yes"; then
2969 if test "${with_xpm}" != "no"; then
2970 AC_CHECK_HEADER(X11/xpm.h,
2971 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2972 if test "${HAVE_XPM}" = "yes"; then
2973 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2974 AC_EGREP_CPP(no_return_alloc_pixels,
2975 [#include "X11/xpm.h"
2976 #ifndef XpmReturnAllocPixels
2977 no_return_alloc_pixels
2979 ], HAVE_XPM=no, HAVE_XPM=yes)
2981 if test "${HAVE_XPM}" = "yes"; then
2989 if test "${HAVE_XPM}" = "yes"; then
2990 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2995 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2996 ### slightly different requirements wrt image libraries (it doesn't
2997 ### use -lXpm because it loads the xpm shared library dynamically at
2999 if test "${opsys}" = "mingw32"; then
3000 if test "${with_xpm}" != "no"; then
3001 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3005 if test "${HAVE_XPM}" = "yes"; then
3006 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3012 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3013 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3016 if test "${opsys}" = "mingw32"; then
3017 if test "${with_jpeg}" != "no"; then
3018 dnl Checking for jpeglib.h can lose because of a redefinition of
3020 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3022 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3023 if test "${HAVE_JPEG}" = "yes"; then
3024 AC_DEFINE(HAVE_JPEG)
3025 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3026 [#include <jpeglib.h>
3027 version=JPEG_LIB_VERSION
3029 [AC_DEFINE(HAVE_JPEG)],
3030 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3033 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3034 if test "${with_jpeg}" != "no"; then
3035 dnl Checking for jpeglib.h can lose because of a redefinition of
3037 AC_CHECK_HEADER(jerror.h,
3038 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3041 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3042 if test "${HAVE_JPEG}" = "yes"; then
3043 AC_DEFINE(HAVE_JPEG)
3044 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3045 [#include <jpeglib.h>
3046 version=JPEG_LIB_VERSION
3048 [AC_DEFINE(HAVE_JPEG)],
3049 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3052 if test "${HAVE_JPEG}" = "yes"; then
3058 ### Use -lpng if available, unless `--with-png=no'.
3059 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
3062 if test "${opsys}" = "mingw32"; then
3063 if test "${with_png}" != "no"; then
3064 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
3066 if test "${HAVE_PNG}" = "yes"; then
3067 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3069 AC_CHECK_DECL(png_longjmp,
3071 [AC_DEFINE(PNG_DEPSTRUCT, [],
3072 [Define to empty to suppress deprecation warnings when building
3073 with --enable-gcc-warnings and with libpng versions before 1.5,
3074 which lack png_longjmp.])],
3075 [[#ifdef HAVE_LIBPNG_PNG_H
3076 # include <libpng/png.h>
3082 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3083 if test "${with_png}" != "no"; then
3084 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3085 # in /usr/include/libpng.
3086 AC_CHECK_HEADERS(png.h libpng/png.h, break)
3087 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
3088 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3092 if test "${HAVE_PNG}" = "yes"; then
3093 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3094 LIBPNG="-lpng -lz -lm"
3096 AC_CHECK_DECL(png_longjmp,
3098 [AC_DEFINE(PNG_DEPSTRUCT, [],
3099 [Define to empty to suppress deprecation warnings when building
3100 with --enable-gcc-warnings and with libpng versions before 1.5,
3101 which lack png_longjmp.])],
3102 [[#ifdef HAVE_LIBPNG_PNG_H
3103 # include <libpng/png.h>
3114 if test "${with_zlib}" != "no"; then
3116 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3118 case $ac_cv_search_inflateEnd in
3119 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3122 if test "${HAVE_ZLIB}" = "yes"; then
3123 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3124 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3125 if test "${opsys}" = "mingw32"; then
3132 ### Use -ltiff if available, unless `--with-tiff=no'.
3133 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3136 if test "${opsys}" = "mingw32"; then
3137 if test "${with_tiff}" != "no"; then
3138 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3140 if test "${HAVE_TIFF}" = "yes"; then
3141 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3143 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3144 if test "${with_tiff}" != "no"; then
3145 AC_CHECK_HEADER(tiffio.h,
3147 # At least one tiff package requires the jpeg library.
3148 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3149 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3152 if test "${HAVE_TIFF}" = "yes"; then
3153 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3154 dnl FIXME -lz -lm, as per libpng?
3160 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3161 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3164 if test "${opsys}" = "mingw32"; then
3165 if test "${with_gif}" != "no"; then
3166 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3168 if test "${HAVE_GIF}" = "yes"; then
3169 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3171 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3172 || test "${HAVE_W32}" = "yes"; then
3173 AC_CHECK_HEADER(gif_lib.h,
3174 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3175 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3176 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3177 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3179 if test "$HAVE_GIF" = yes; then
3181 elif test "$HAVE_GIF" = maybe; then
3182 # If gif_lib.h but no libgif, try libungif.
3183 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3184 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3187 if test "${HAVE_GIF}" = "yes"; then
3188 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3193 dnl Check for required libraries.
3194 if test "${HAVE_X11}" = "yes"; then
3197 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3198 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3199 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3200 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3201 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3202 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3203 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3204 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3205 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3206 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3208 if test "X${MISSING}" != X; then
3209 AC_MSG_ERROR([The following required libraries were not found:
3211 Maybe some development libraries/packages are missing?
3212 If you don't want to link with them give
3214 as options to configure])
3218 ### Use -lgpm if available, unless `--with-gpm=no'.
3221 if test "${with_gpm}" != "no"; then
3222 AC_CHECK_HEADER(gpm.h,
3223 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3225 if test "${HAVE_GPM}" = "yes"; then
3226 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3232 dnl Check for malloc/malloc.h on darwin
3233 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3236 ### Use NeXTstep API to implement GUI.
3237 if test "${HAVE_NS}" = "yes"; then
3238 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3239 if test "${NS_IMPL_COCOA}" = "yes"; then
3240 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3242 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3243 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3244 # See also .m.o rule in Makefile.in */
3245 # FIXME: are all these flags really needed? Document here why. */
3246 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3247 ## Extra CFLAGS applied to src/*.m files.
3248 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3253 ### Use session management (-lSM -lICE) if available
3256 if test "${HAVE_X11}" = "yes"; then
3257 AC_CHECK_HEADER(X11/SM/SMlib.h,
3258 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3260 if test "${HAVE_X_SM}" = "yes"; then
3261 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3265 *) LIBS="$LIBXSM $LIBS" ;;
3271 ### Use XRandr (-lXrandr) if available
3273 if test "${HAVE_X11}" = "yes"; then
3274 XRANDR_REQUIRED=1.2.2
3275 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3276 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3277 if test $HAVE_XRANDR = no; then
3278 # Test old way in case pkg-config doesn't have it (older machines).
3279 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3280 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3281 if test $HAVE_XRANDR = yes; then
3282 XRANDR_LIBS=-lXrandr
3283 AC_SUBST(XRANDR_LIBS)
3286 if test $HAVE_XRANDR = yes; then
3287 SAVE_CFLAGS="$CFLAGS"
3289 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3290 LIBS="$XRANDR_LIBS $LIBS"
3291 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3292 CFLAGS="$SAVE_CFLAGS"
3295 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3299 ### Use Xinerama (-lXinerama) if available
3301 if test "${HAVE_X11}" = "yes"; then
3302 XINERAMA_REQUIRED=1.0.2
3303 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3304 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3306 if test $HAVE_XINERAMA = no; then
3307 # Test old way in case pkg-config doesn't have it (older machines).
3308 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3309 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3310 if test $HAVE_XINERAMA = yes; then
3311 XINERAMA_LIBS=-lXinerama
3312 AC_SUBST(XINERAMA_LIBS)
3315 if test $HAVE_XINERAMA = yes; then
3316 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3321 ### Use libxml (-lxml2) if available
3322 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3324 if test "${with_xml2}" != "no"; then
3325 ### I'm not sure what the version number should be, so I just guessed.
3326 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3327 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3328 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3329 SAVE_CPPFLAGS="$CPPFLAGS"
3330 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3331 AC_CHECK_HEADER(libxml/HTMLparser.h,
3332 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3333 [#include <libxml/HTMLparser.h>])])
3334 CPPFLAGS="$SAVE_CPPFLAGS"
3335 if test "${HAVE_LIBXML2}" = "yes"; then
3336 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3337 LIBXML2_LIBS="-lxml2"
3340 if test "${HAVE_LIBXML2}" = "yes"; then
3341 if test "${opsys}" != "mingw32"; then
3342 LIBS="$LIBXML2_LIBS $LIBS"
3343 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3347 if test "${HAVE_LIBXML2}" = "yes"; then
3348 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3355 AC_SUBST(LIBXML2_LIBS)
3356 AC_SUBST(LIBXML2_CFLAGS)
3358 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3359 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3360 if test "${opsys}" = "mingw32"; then
3361 emacs_cv_netdb_declares_h_errno=yes
3363 AC_CACHE_CHECK(whether netdb declares h_errno,
3364 emacs_cv_netdb_declares_h_errno,
3365 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3366 [[return h_errno;]])],
3367 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3368 if test $emacs_cv_netdb_declares_h_errno = yes; then
3369 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3372 # sqrt and other floating-point functions such as fmod and frexp
3373 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3374 if test "${opsys}" != "mingw32"; then
3375 AC_CHECK_LIB(m, sqrt)
3378 # Check for mail-locking functions in a "mail" library. Probably this should
3379 # have the same check as for liblockfile below.
3380 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3381 if test $have_mail = yes; then
3383 LIBS="$LIBS_MAIL $LIBS"
3384 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3388 dnl Debian, at least:
3389 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3390 if test $have_lockfile = yes; then
3391 LIBS_MAIL=-llockfile
3392 LIBS="$LIBS_MAIL $LIBS"
3393 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3395 # If we have the shared liblockfile, assume we must use it for mail
3396 # locking (e.g. Debian). If we couldn't link against liblockfile
3397 # (no liblockfile.a installed), ensure that we don't need to.
3398 dnl This works for files generally, not just executables.
3399 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3400 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3401 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3402 if test $ac_cv_prog_liblockfile = yes; then
3403 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3404 This probably means that movemail could lose mail.
3405 There may be a `development' package to install containing liblockfile.])
3408 AC_CHECK_HEADERS_ONCE(maillock.h)
3411 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3412 ## interlock access to the mail spool. The alternative is a lock file named
3413 ## /usr/spool/mail/$USER.lock.
3416 aix4-2) mail_lock="lockf" ;;
3418 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3420 ## On GNU/Linux systems, both methods are used by various mail programs.
3421 ## I assume most people are using newer mailers that have heard of flock.
3422 ## Change this if you need to.
3423 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3424 ## configure gets the right answers, and that means *NOT* using flock.
3425 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3426 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3427 ## Debian maintainer hasn't provided a clean fix for Emacs.
3428 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3429 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3430 ## correct logic. -- fx
3431 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3432 ## liblockfile is a Free Software replacement for libmail, used on
3433 ## Debian systems and elsewhere. -rfr.
3436 if test $have_mail = yes || test $have_lockfile = yes; then
3437 test $ac_cv_header_maillock_h = yes && mail_lock=no
3442 mail_lock="none-needed" ;;
3446 case "$mail_lock" in
3447 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3449 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3453 *) BLESSMAIL_TARGET="need-blessmail" ;;
3455 AC_SUBST(BLESSMAIL_TARGET)
3458 AC_CHECK_FUNCS(accept4 gethostname \
3459 getrusage get_current_dir_name \
3461 select getpagesize setlocale \
3462 getrlimit setrlimit shutdown getaddrinfo \
3463 strsignal setitimer \
3464 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3465 gai_strerror getline getdelim sync \
3466 getpwent endpwent getgrent endgrent \
3468 cfmakeraw cfsetspeed copysign __executable_start log2)
3470 dnl No need to check for aligned_alloc and posix_memalign if using
3471 dnl gmalloc.o, as it supplies them. Don't use these functions on
3472 dnl Darwin as they are incompatible with unexmacosx.c.
3473 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3474 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3477 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3478 ## has a broken `rint' in some library versions including math library
3479 ## version number A.09.05.
3480 ## You can fix the math library by installing patch number PHSS_4630.
3481 ## But we can fix it more reliably for Emacs by just not using rint.
3482 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3485 *) AC_CHECK_FUNCS(random rint) ;;
3488 dnl Cannot use AC_CHECK_FUNCS
3489 AC_CACHE_CHECK([for __builtin_unwind_init],
3490 emacs_cv_func___builtin_unwind_init,
3491 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3492 emacs_cv_func___builtin_unwind_init=yes,
3493 emacs_cv_func___builtin_unwind_init=no)])
3494 if test $emacs_cv_func___builtin_unwind_init = yes; then
3495 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3496 [Define to 1 if you have the `__builtin_unwind_init' function.])
3499 AC_CHECK_HEADERS_ONCE(sys/un.h)
3504 AC_CHECK_FUNCS(grantpt)
3506 # PTY-related GNU extensions.
3507 AC_CHECK_FUNCS(getpt posix_openpt)
3509 # Check this now, so that we will NOT find the above functions in ncurses.
3510 # That is because we have not set up to link ncurses in lib-src.
3511 # It's better to believe a function is not available
3512 # than to expect to find it in ncurses.
3513 # Also we need tputs and friends to be able to build at all.
3514 AC_MSG_CHECKING([for library containing tputs])
3515 # Run a test program that contains a call to tputs, a call that is
3516 # never executed. This tests whether a pre-'main' dynamic linker
3517 # works with the library. It's too much trouble to actually call
3518 # tputs in the test program, due to portability hassles. When
3519 # cross-compiling, assume the test program will run if it links.
3520 AC_DEFUN([tputs_link_source], [
3522 [[extern void tputs (const char *, int, int (*)(int));
3523 int main (int argc, char **argv)
3526 tputs (argv[0], 0, 0);
3530 if test "${opsys}" = "mingw32"; then
3533 # Maybe curses should be tried earlier?
3534 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3535 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3537 if test -z "$tputs_library"; then
3541 LIBS_TERMCAP=-l$tputs_library
3543 LIBS="$LIBS_TERMCAP $LIBS"
3545 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3546 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3548 if test "X$msg" != Xno; then
3553 AC_MSG_RESULT([$msg])
3554 if test "X$msg" = Xno; then
3555 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3556 The following libraries were tried (in order):
3557 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3558 Please try installing whichever of these libraries is most appropriate
3559 for your system, together with its header files.
3560 For example, a libncurses-dev(el) or similar package.])
3563 ## Use termcap instead of terminfo?
3564 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3566 ## FIXME? In the cases below where we unconditionally set
3567 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3568 ## if that was found above to have tputs.
3569 ## Should we use the gnu* logic everywhere?
3571 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3572 ## The ncurses library has been moved out of the System framework in
3573 ## Mac OS X 10.2. So if configure detects it, set the command-line
3574 ## option to use it.
3575 darwin) LIBS_TERMCAP="-lncurses" ;;
3577 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3580 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3581 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3582 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3583 [[#if __FreeBSD_version < 400000
3586 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3588 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3590 if test $emacs_cv_freebsd_terminfo = yes; then
3591 LIBS_TERMCAP="-lncurses"
3594 LIBS_TERMCAP="-ltermcap"
3604 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3606 LIBS_TERMCAP="-ltermcap"
3610 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3612 ## hpux: Make sure we get select from libc rather than from libcurses
3613 ## because libcurses on HPUX 10.10 has a broken version of select.
3614 ## We used to use -lc -lcurses, but this may be cleaner.
3615 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3616 # set that way, now it uses the default). Isn't this a contradiction?
3617 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3621 TERMCAP_OBJ=tparam.o
3622 if test $TERMINFO = yes; then
3623 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3624 TERMCAP_OBJ=terminfo.o
3626 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3627 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3629 AC_SUBST(LIBS_TERMCAP)
3630 AC_SUBST(TERMCAP_OBJ)
3633 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3634 # On Darwin, res_init appears not to be useful: see bug#562 and
3635 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3638 if test $opsys != darwin; then
3640 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3641 #include <arpa/nameser.h>
3642 #include <resolv.h>]],
3643 [[return res_init();]])],
3644 have_res_init=yes, have_res_init=no)
3645 if test "$have_res_init" = no; then
3647 LIBS="$LIBS -lresolv"
3648 AC_MSG_CHECKING(for res_init with -lresolv)
3649 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3650 #include <arpa/nameser.h>
3651 #include <resolv.h>]],
3652 [[return res_init();]])],
3653 have_res_init=yes, have_res_init=no)
3654 AC_MSG_RESULT($have_res_init)
3655 if test "$have_res_init" = yes ; then
3661 if test "$have_res_init" = yes; then
3662 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3666 # Do we need the Hesiod library to provide the support routines?
3667 dnl FIXME? Should we be skipping this on Darwin too?
3669 if test "$with_hesiod" != no ; then
3670 # Don't set $LIBS here -- see comments above. FIXME which comments?
3671 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3672 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3673 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3674 if test "$resolv" = yes ; then
3679 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3680 hesiod=yes, :, $RESOLVLIB)])
3682 if test x"$hesiod" = xyes; then
3688 # Do we need libresolv (due to res_init or Hesiod)?
3689 if test "$resolv" = yes && test $opsys != darwin; then
3696 # These tell us which Kerberos-related libraries to use.
3703 if test "${with_kerberos}" != no; then
3704 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3705 if test $have_com_err = yes; then
3706 COM_ERRLIB=-lcom_err
3707 LIBS="$COM_ERRLIB $LIBS"
3709 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3710 if test $have_crypto = yes; then
3712 LIBS="$CRYPTOLIB $LIBS"
3714 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3715 if test $have_k5crypto = yes; then
3716 CRYPTOLIB=-lk5crypto
3717 LIBS="$CRYPTOLIB $LIBS"
3719 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3720 if test $have_krb5=yes; then
3722 LIBS="$KRB5LIB $LIBS"
3724 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3725 if test "${with_kerberos5}" = no; then
3726 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3727 if test $have_des425 = yes; then
3729 LIBS="$DESLIB $LIBS"
3731 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3732 if test $have_des = yes; then
3734 LIBS="$DESLIB $LIBS"
3737 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3738 if test $have_krb4 = yes; then
3740 LIBS="$KRB4LIB $LIBS"
3742 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3743 if test $have_krb = yes; then
3745 LIBS="$KRB4LIB $LIBS"
3750 if test "${with_kerberos5}" != no; then
3751 AC_CHECK_HEADERS(krb5.h,
3752 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3753 [#include <krb5.h>])])
3755 AC_CHECK_HEADERS(krb.h,,
3756 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3757 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3759 AC_CHECK_HEADERS(com_err.h)
3762 AC_SUBST(COM_ERRLIB)
3768 AC_CHECK_HEADERS(valgrind/valgrind.h)
3770 AC_CHECK_FUNCS_ONCE(tzset)
3771 AC_MSG_CHECKING(whether localtime caches TZ)
3772 AC_CACHE_VAL(emacs_cv_localtime_cache,
3773 [if test x$ac_cv_func_tzset = xyes; then
3774 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3775 char TZ_GMT0[] = "TZ=GMT0";
3776 char TZ_PST8[] = "TZ=PST8";
3779 time_t now = time ((time_t *) 0);
3780 int hour_GMT0, hour_unset;
3781 if (putenv (TZ_GMT0) != 0)
3783 hour_GMT0 = localtime (&now)->tm_hour;
3785 hour_unset = localtime (&now)->tm_hour;
3786 if (putenv (TZ_PST8) != 0)
3788 if (localtime (&now)->tm_hour == hour_GMT0)
3791 if (localtime (&now)->tm_hour != hour_unset)
3794 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3795 [# If we have tzset, assume the worst when cross-compiling.
3796 emacs_cv_localtime_cache=yes])
3798 # If we lack tzset, report that localtime does not cache TZ,
3799 # since we can't invalidate the cache if we don't have tzset.
3800 emacs_cv_localtime_cache=no
3802 AC_MSG_RESULT($emacs_cv_localtime_cache)
3803 if test $emacs_cv_localtime_cache = yes; then
3804 AC_DEFINE(LOCALTIME_CACHE, 1,
3805 [Define to 1 if localtime caches TZ.])
3809 AC_CHECK_FUNC(socket, , ok_so_far=no)
3810 if test $ok_so_far = yes; then
3811 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3813 if test $ok_so_far = yes; then
3814 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3816 if test $ok_so_far = yes; then
3817 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3818 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3819 [Define to 1 if you have inet sockets.])
3822 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3823 dnl This can be removed once we assume Autoconf 2.70.
3825 *-solaris2.4 | *-solaris2.4.*)
3826 dnl Disable the Autoconf-generated vfork test.
3827 : ${ac_cv_func_vfork_works=no};;
3832 AC_CHECK_FUNCS(snprintf)
3834 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3837 AC_MSG_CHECKING([whether GLib is linked in])
3838 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3841 [[g_print ("Hello world");]])],
3844 AC_MSG_RESULT([$links_glib])
3845 if test "${links_glib}" = "yes"; then
3846 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3847 if test "$HAVE_NS" = no;then
3853 dnl Adapted from Haible's version.
3854 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3855 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3856 [[char* cs = nl_langinfo(CODESET);]])],
3857 emacs_cv_langinfo_codeset=yes,
3858 emacs_cv_langinfo_codeset=no)
3860 if test $emacs_cv_langinfo_codeset = yes; then
3861 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3862 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3867 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3868 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3869 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3870 if test "$emacs_cv_c_restrict_arr" = yes; then
3871 AC_DEFINE(__restrict_arr, __restrict,
3872 [Define to compiler's equivalent of C99 restrict keyword in array
3873 declarations. Define as empty for no equivalent.])
3876 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3877 dnl how the tty code is related to POSIX and/or other versions of termios.
3878 dnl The following looks like a useful start.
3880 dnl AC_SYS_POSIX_TERMIOS
3881 dnl if test $ac_cv_sys_posix_termios = yes; then
3882 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3883 dnl and macros for terminal control.])
3884 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3887 dnl Turned on June 1996 supposing nobody will mind it.
3888 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3889 if test "${opsys}" != "mingw32"; then
3890 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3891 in the full name stands for the login id.])
3894 dnl Every platform that uses configure supports this.
3895 dnl There is a create-lockfiles option you can
3896 dnl customize if you do not want the lock files to be written.
3897 dnl So it is not clear that this #define still needs to exist.
3898 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3899 so that Emacs can tell instantly when you try to modify a file that
3900 someone else has modified in his/her Emacs.])
3902 dnl Everybody supports this, except MS.
3903 dnl Seems like the kind of thing we should be testing for, though.
3904 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3905 if test "${opsys}" != "mingw32"; then
3906 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3909 dnl Everybody supports this, except MS-DOS.
3910 dnl Seems like the kind of thing we should be testing for, though.
3911 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3912 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3913 4.2-compatible sockets.])
3915 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3917 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3918 a null file, or a data sink.])
3919 if test "${opsys}" = "mingw32"; then
3920 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3922 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3925 if test "${opsys}" = "mingw32"; then
3930 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3931 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3932 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3933 dnl decides that a command-line argument to be passed to a MinGW program
3934 dnl is a PATH-style list of directories. But that heuristics plays it
3935 dnl safe, and only does the replacement when it is _absolutely_ sure it
3936 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3937 dnl which breaks in-tree builds. So we do this manually instead.
3938 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3939 dnl be computed as ':' in MSYS Bash.
3942 dnl Everybody supports this, except MS-DOS.
3943 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3945 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3948 AC_DEFINE(DIRECTORY_SEP, ['/'],
3949 [Character that separates directories in a file name.])
3951 if test "${opsys}" = "mingw32"; then
3952 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3953 [Returns true if character is a device separator.])
3955 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3956 [Returns true if character is a directory separator.])
3958 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3959 [Returns true if character is any form of separator.])
3961 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3962 [Returns true if character is a device separator.])
3964 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3965 [Returns true if character is a directory separator.])
3967 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3968 [Returns true if character is any form of separator.])
3971 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3975 dnl Unfortunately without libXmu we cannot support EditRes.
3976 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3977 AC_DEFINE(NO_EDITRES, 1)
3982 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3983 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3984 AC_DEFINE(NO_EDITRES, 1)
3990 irix6-5 | sol2* | unixware )
3991 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3992 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3993 dnl need the constant to dimension an array. So wire in the appropriate
3995 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3999 emacs_broken_SIGIO=no
4002 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4003 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4004 hpux* | irix6-5 | openbsd | sol2* | unixware )
4005 emacs_broken_SIGIO=yes
4009 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4010 dnl the way this system works, libc functions that return malloced
4011 dnl memory use the libc malloc implementation. Calling xfree or
4012 dnl xrealloc on the results of such functions results in a crash.
4014 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4015 dnl but that does not currently work on this system.
4017 dnl It is possible to completely override the malloc implementation on
4018 dnl AIX, but that involves putting the malloc functions in a shared
4019 dnl library and setting the MALLOCTYPE environment variable to point to
4020 dnl that shared library.
4022 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4023 dnl to avoid a crash just use the Emacs implementation for that function.
4025 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4026 dnl of this file, so that we do not check for get_current_dir_name
4027 dnl on AIX. But that might be fragile if something else ends
4028 dnl up testing for get_current_dir_name as a dependency.
4029 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4030 get_current_dir_name should not be used.])
4034 dnl Circumvent a bug in FreeBSD. In the following sequence of
4035 dnl writes/reads on a PTY, read(2) returns bogus data:
4037 dnl write(2) 1022 bytes
4038 dnl write(2) 954 bytes, get EAGAIN
4039 dnl read(2) 1024 bytes in process_read_output
4040 dnl read(2) 11 bytes in process_read_output
4042 dnl That is, read(2) returns more bytes than have ever been written
4043 dnl successfully. The 1033 bytes read are the 1022 bytes written
4044 dnl successfully after processing (for example with CRs added if the
4045 dnl terminal is set up that way which it is here). The same bytes will
4046 dnl be seen again in a later read(2), without the CRs.
4047 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4048 work around an issue when reading from a PTY.])
4054 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4055 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4060 darwin | dragonfly | freebsd | netbsd | openbsd )
4061 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4062 close a pty to make it a controlling terminal (it is already a
4063 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4067 dnl FIXME Surely we can test for this rather than hard-code it.
4069 netbsd | openbsd) sound_device="/dev/audio" ;;
4070 *) sound_device="/dev/dsp" ;;
4074 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4075 [Name of the default sound device.])
4078 dnl Emacs can read input using SIGIO and buffering characters itself,
4079 dnl or using CBREAK mode and making C-g cause SIGINT.
4080 dnl The choice is controlled by the variable interrupt_input.
4082 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4084 dnl Emacs uses the presence of the USABLE_SIGIO macro
4085 dnl to indicate whether or not signal-driven I/O is possible. It uses
4086 dnl INTERRUPT_INPUT to decide whether to use it by default.
4088 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4089 dnl CBREAK mode has two disadvantages
4090 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4091 dnl I hear that in system V this problem does not exist.
4092 dnl 2) Control-G causes output to be discarded.
4093 dnl I do not know whether this can be fixed in system V.
4095 dnl Another method of doing input is planned but not implemented.
4096 dnl It would have Emacs fork off a separate process
4097 dnl to read the input and send it to the true Emacs process
4100 darwin | gnu-linux | gnu-kfreebsd )
4101 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4106 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4107 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4108 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4109 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4110 dnl taking float or double parameters.
4112 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4113 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4114 file defines `NeedWidePrototypes' as `NO'.])
4119 dnl Used in process.c, this must be a loop, even if it only runs once.
4120 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4121 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4122 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4123 dnl trying suffixes 0-16.
4124 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4125 first PTY, if PTYs are supported.])
4126 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4127 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4128 end of a PTY, if non-standard.])
4129 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4130 end of a PTY, if non-standard.])
4134 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4135 dnl You allocate a pty by opening /dev/ptc to get the master side.
4136 dnl To get the name of the slave side, you just ttyname() the master side.
4137 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4138 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4142 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4143 dnl multi-line AC_DEFINEs are hard. :(
4144 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)])
4145 AC_DEFINE(PTY_NAME_SPRINTF, [])
4146 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4149 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4151 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4152 dnl Not used, because PTY_ITERATION is defined.
4153 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4154 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4155 dnl But we don't have to block SIGCHLD because it is blocked in the
4156 dnl implementation of grantpt.
4157 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4158 AC_DEFINE(PTY_NAME_SPRINTF, [])
4159 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4163 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4166 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4168 if test "x$ac_cv_func_grantpt" = xyes; then
4169 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4170 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4171 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4172 dnl to prevent sigchld_handler from intercepting the child's death.
4173 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); }])
4174 dnl if HAVE_POSIX_OPENPT
4175 if test "x$ac_cv_func_posix_openpt" = xyes; then
4176 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4177 AC_DEFINE(PTY_NAME_SPRINTF, [])
4179 elif test "x$ac_cv_func_getpt" = xyes; then
4180 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4181 AC_DEFINE(PTY_NAME_SPRINTF, [])
4183 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4186 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4191 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4192 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4193 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4197 dnl It looks like this cannot be right, because it is not a loop.
4198 dnl However, process.c actually does this:
4204 dnl which presumably makes it OK, since irix == sgi (?).
4205 dnl FIXME it seems like this special treatment is unnecessary?
4206 dnl Why can't irix use a single-trip loop like eg cygwin?
4207 AC_DEFINE(PTY_ITERATION, [])
4208 dnl Not used, because PTY_ITERATION is defined.
4209 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4210 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); }])
4211 dnl No need to get the pty name at all.
4212 AC_DEFINE(PTY_NAME_SPRINTF, [])
4213 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4214 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4218 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4219 dnl from intercepting that death. If any child but grantpt's should die
4220 dnl within, it should be caught after sigrelse(2).
4221 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); }])
4225 dnl Comments are as per sol2*.
4226 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); }])
4233 dnl This change means that we don't loop through allocate_pty too
4234 dnl many times in the (rare) event of a failure.
4235 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4236 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4237 dnl Push various streams modules onto a PTY channel. Used in process.c.
4238 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.])
4243 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4244 "typing" a signal character on the pty.])
4247 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4248 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4249 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4250 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4253 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4254 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4255 gnu-linux | gnu-kfreebsd )
4257 AC_MSG_CHECKING([for signals via characters])
4258 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4259 #include <linux/version.h>
4260 #if LINUX_VERSION_CODE < 0x20400
4261 # error "Linux version too old"
4263 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4265 AC_MSG_RESULT([$emacs_signals_via_chars])
4266 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4271 dnl Used in lisp.h, emacs.c, vm-limit.c
4272 dnl NEWS.18 describes this as "a number which contains
4273 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4274 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4275 stored in a Lisp_Object.])
4276 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4280 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4281 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4284 dnl The data segment on this machine always starts at address 0x40000000.
4285 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4288 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4293 AH_TEMPLATE(TAB3, [Undocumented.])
4296 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4298 gnu | dragonfly | freebsd | netbsd | openbsd )
4299 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4300 AC_DEFINE(TAB3, OXTABS)
4303 gnu-linux | gnu-kfreebsd )
4304 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4308 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4309 [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)],
4310 [Mark a secondary stack, like the register stack on the ia64.]), [])
4314 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4315 run_time_remap; for HPUX.])
4320 dnl This won't be used automatically yet. We also need to know, at least,
4321 dnl that the stack is continuous.
4322 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4323 registers relevant for conservative garbage collection in the jmp_buf.])
4327 dnl Not all the architectures are tested, but there are Debian packages
4328 dnl for SCM and/or Guile on them, so the technique must work. See also
4329 dnl comments in alloc.c concerning setjmp and gcc.
4330 dnl Fixme: it's probably safe to just use the GCC conditional below.
4331 gnu-linux | gnu-kfreebsd )
4332 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4333 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4334 || defined __alpha__ || defined __mips__ || defined __s390__ \
4335 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4336 || defined __ia64__ || defined __sh__
4339 # error "setjmp not known to work on this arch"
4341 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4346 if test x$GCC = xyes; then
4347 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4348 AC_DEFINE(GC_SETJMP_WORKS, 1)
4351 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4352 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4353 AC_DEFINE(GC_SETJMP_WORKS, 1)
4358 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4359 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4362 [[#include <setjmp.h>
4364 # define _longjmp longjmp
4369 _longjmp (j, 1);]])],
4370 [emacs_cv_func__setjmp=yes],
4371 [emacs_cv_func__setjmp=no])])
4372 if test $emacs_cv_func__setjmp = yes; then
4373 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4375 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4378 [[#include <setjmp.h>
4381 if (! sigsetjmp (j, 1))
4382 siglongjmp (j, 1);]])],
4383 [emacs_cv_func_sigsetjmp=yes],
4384 [emacs_cv_func_sigsetjmp=no])])
4385 if test $emacs_cv_func_sigsetjmp = yes; then
4386 AC_DEFINE([HAVE_SIGSETJMP], 1,
4387 [Define to 1 if sigsetjmp and siglongjmp work.
4388 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4394 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4395 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4396 dnl and this is all we need.
4397 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4404 dnl Used in xfaces.c.
4405 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4406 some systems, where it requires time.h.])
4411 dnl Define symbols to identify the version of Unix this is.
4412 dnl Define all the symbols that apply correctly.
4413 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4414 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4415 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4416 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4421 dnl This symbol should be defined on AIX Version 3 ???????
4422 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4424 # error "_AIX not defined"
4426 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4430 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4434 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4435 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4436 dnl distinguish OS X from pure Darwin.
4437 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4440 gnu-linux | gnu-kfreebsd )
4442 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4447 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4452 AC_DEFINE(USG5_4, [])
4453 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4457 AC_DEFINE(DOS_NT, [])
4458 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4459 if test "x$ac_enable_checking" != "x" ; then
4460 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4466 AC_DEFINE(USG5_4, [])
4467 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4472 AC_DEFINE(USG5_4, [])
4476 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4479 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4480 emacs_cv_usable_FIONREAD=no
4484 emacs_cv_usable_FIONREAD=yes
4489 [AC_LANG_PROGRAM([[#include <sys/types.h>
4490 #include <sys/ioctl.h>
4492 # include <sys/filio.h>
4495 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4496 [emacs_cv_usable_FIONREAD=yes],
4497 [emacs_cv_usable_FIONREAD=no])
4500 if test $emacs_cv_usable_FIONREAD = yes; then
4501 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4503 if test $emacs_broken_SIGIO = no; then
4504 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4506 [AC_LANG_PROGRAM([[#include <fcntl.h>
4509 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4510 [emacs_cv_usable_SIGIO=yes],
4511 [emacs_cv_usable_SIGIO=no])],
4512 [emacs_cv_usable_SIGIO=yes],
4513 [emacs_cv_usable_SIGIO=no])
4514 if test $emacs_cv_usable_SIGIO = yes; then
4515 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4522 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4523 dnl and on Cygwin prior to version 1.7.24 that becomes the
4524 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4525 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4526 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4527 dnl needed starting with cygwin-1.7.24, and it is no longer
4528 dnl effective starting with glib-2.36. */
4530 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4531 G_SLICE environment variable to "always-malloc" at startup.])
4535 dnl It works to open the pty's tty in the parent (Emacs), then
4536 dnl close and reopen it in the child.
4537 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4538 works to open a pty's tty in the parent process, then close and
4539 reopen it in the child.])
4543 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4544 use VSUSP instead of VSWTCH.])
4548 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4553 # Set up the CFLAGS for real compilation, so we can substitute it.
4554 CFLAGS="$REAL_CFLAGS"
4555 CPPFLAGS="$REAL_CPPFLAGS"
4557 ## Hack to detect a buggy GCC version.
4558 if test "x$GCC" = xyes \
4559 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4560 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4561 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4562 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4565 version=$PACKAGE_VERSION
4567 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4568 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4569 [Short copyright string for this version of Emacs.])
4572 ### Specify what sort of things we'll be editing into Makefile and config.h.
4573 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4575 AC_SUBST(configuration)
4580 AC_SUBST(exec_prefix)
4583 AC_SUBST(sharedstatedir)
4584 AC_SUBST(libexecdir)
4588 AC_SUBST(standardlisppath)
4589 AC_SUBST(locallisppath)
4591 AC_SUBST(x_default_search_path)
4593 AC_SUBST(archlibdir)
4598 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4599 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4600 ## end of LIBX_BASE, but nothing ever set it.
4601 AC_SUBST(LD_SWITCH_X_SITE)
4602 AC_SUBST(C_SWITCH_X_SITE)
4603 AC_SUBST(GNUSTEP_CFLAGS)
4605 ## Used in lwlib/Makefile.in.
4606 AC_SUBST(X_TOOLKIT_TYPE)
4608 AC_SUBST(ns_appbindir)
4609 AC_SUBST(ns_appresdir)
4611 AC_SUBST(GNU_OBJC_CFLAGS)
4612 AC_SUBST(OTHER_FILES)
4614 if test -n "${term_header}"; then
4615 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4616 [Define to the header for the built-in window system.])
4619 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4620 [Define to the canonical Emacs configuration name.])
4621 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4622 [Define to the options passed to configure.])
4623 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4624 define this to include extra configuration information.])
4628 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4635 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4636 AC_DEFINE(HAVE_X_WINDOWS, 1,
4637 [Define to 1 if you want to use the X window system.])
4639 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4641 if test "$HAVE_XFT" = "yes"; then
4642 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4643 elif test "$HAVE_FREETYPE" = "yes"; then
4644 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4654 if test "${USE_X_TOOLKIT}" != "none" ; then
4656 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4657 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4658 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4659 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4660 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4664 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4665 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4669 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4670 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4671 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4675 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4676 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4679 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4682 AC_SUBST(WIDGET_OBJ)
4685 case "$USE_X_TOOLKIT" in
4686 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4687 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4688 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4690 AC_SUBST(TOOLKIT_LIBW)
4692 if test "${opsys}" != "mingw32"; then
4693 if test "$USE_X_TOOLKIT" = "none"; then
4694 LIBXT_OTHER="\$(LIBXSM)"
4696 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4699 AC_SUBST(LIBXT_OTHER)
4701 if test "${HAVE_X11}" = "yes" ; then
4702 AC_DEFINE(HAVE_X11, 1,
4703 [Define to 1 if you want to use version 11 of X windows.])
4704 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4708 AC_SUBST(LIBX_OTHER)
4710 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4712 elif test "$USE_X_TOOLKIT" = none; then
4713 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4715 LIBXMENU='$(lwlibdir)/liblw.a'
4719 if test "${GNU_MALLOC}" = "yes" ; then
4720 AC_DEFINE(GNU_MALLOC, 1,
4721 [Define to 1 if you want to use the GNU memory allocator.])
4725 if test "${REL_ALLOC}" = "yes" ; then
4726 AC_DEFINE(REL_ALLOC, 1,
4727 [Define REL_ALLOC if you want to use the relocating allocator for
4730 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4732 AC_SUBST(RALLOC_OBJ)
4734 if test "$opsys" = "cygwin"; then
4735 CYGWIN_OBJ="sheap.o cygw32.o"
4736 ## Cygwin differs because of its unexec().
4738 POST_ALLOC_OBJ=lastfile.o
4739 elif test "$opsys" = "mingw32"; then
4742 POST_ALLOC_OBJ=lastfile.o
4745 PRE_ALLOC_OBJ=lastfile.o
4748 AC_SUBST(CYGWIN_OBJ)
4749 AC_SUBST(PRE_ALLOC_OBJ)
4750 AC_SUBST(POST_ALLOC_OBJ)
4752 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4753 dnl verbatim defined above. The tricky name is apropos, as this hack
4754 dnl makes Fortify go sour!
4755 AH_VERBATIM([FORTIFY_SOUR],
4756 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4757 The workaround disables some useful run-time checking, so it
4758 should be conditional to the platforms with the performance bug.
4759 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4760 #if defined __APPLE__ && defined __GNUC__
4761 # ifndef _DONT_USE_CTYPE_INLINE_
4762 # define _DONT_USE_CTYPE_INLINE_
4764 # ifndef _FORTIFY_SOURCE
4765 # define _FORTIFY_SOURCE 0
4770 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4771 # it temporarily reverts them to their pre-pkg-config values,
4772 # because gnulib needs to work with both src (which uses the
4773 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4774 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4775 # and it therefore needs to run in an environment where LIBS does not
4776 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4777 # for some package unrelated to lib-src.
4780 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4781 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4782 gl_ASSERT_NO_GNULIB_POSIXCHECK
4783 gl_ASSERT_NO_GNULIB_TESTS
4788 if test "${opsys}" = "mingw32"; then
4789 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4790 # Remove unneeded switches from the value of CC that goes to Makefiles
4791 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4795 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4798 ## The -headerpad option tells ld (see man page) to leave room at the
4799 ## end of the header for adding load commands. Needed for dumping.
4800 ## 0x690 is the total size of 30 segment load commands (at 56
4801 ## each); under Cocoa 31 commands are required.
4802 if test "$HAVE_NS" = "yes"; then
4803 libs_nsgui="-framework AppKit"
4804 if test "$NS_IMPL_COCOA" = "yes"; then
4805 libs_nsgui="$libs_nsgui -framework IOKit"
4812 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4814 ## This is here because src/Makefile.in did some extra fiddling around
4815 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4816 ## LD_SWITCH_SYSTEM_TEMACS instead,
4817 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4818 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4821 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4822 ## find X at run-time.
4823 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4824 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4825 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4826 ## had different values in configure (in ac_link) and src/Makefile.in.
4827 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4828 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4831 ## MinGW64 does not prepend an underscore to symbols, so we must
4832 ## pass a different -entry switch to linker. FIXME: It is better
4833 ## to make the entry points the same by changing unexw32.c.
4834 case "$canonical" in
4835 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4836 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4840 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4842 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4845 if test x$ac_enable_profiling != x ; then
4847 *freebsd | gnu-linux) ;;
4848 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4852 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4854 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4856 ## MinGW-specific post-link processing of temacs.
4857 TEMACS_POST_LINK=":"
4860 if test "${opsys}" = "mingw32"; then
4861 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4862 ADDSECTION="../nt/addsection\$(EXEEXT)"
4863 ## Preload heap size of temacs.exe in MB.
4864 case "$canonical" in
4865 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4866 *) EMACS_HEAPSIZE=27 ;;
4870 AC_SUBST(ADDSECTION)
4871 AC_SUBST(TEMACS_POST_LINK)
4872 AC_SUBST(EMACS_HEAPSIZE)
4874 ## Common for all window systems
4875 if test "$window_system" != "none"; then
4876 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4877 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4880 AC_SUBST(WINDOW_SYSTEM_OBJ)
4882 AH_TOP([/* GNU Emacs site configuration template file.
4884 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4885 Free Software Foundation, Inc.
4887 This file is part of GNU Emacs.
4889 GNU Emacs is free software: you can redistribute it and/or modify
4890 it under the terms of the GNU General Public License as published by
4891 the Free Software Foundation, either version 3 of the License, or
4892 (at your option) any later version.
4894 GNU Emacs is distributed in the hope that it will be useful,
4895 but WITHOUT ANY WARRANTY; without even the implied warranty of
4896 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4897 GNU General Public License for more details.
4899 You should have received a copy of the GNU General Public License
4900 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4903 /* No code in Emacs #includes config.h twice, but some bits of code
4904 intended to work with other packages as well (like gmalloc.c)
4905 think they can include it as many times as they like. */
4906 #ifndef EMACS_CONFIG_H
4907 #define EMACS_CONFIG_H
4910 AH_BOTTOM([#include <conf_post.h>
4912 #endif /* EMACS_CONFIG_H */
4921 #### Report on what we decided to do.
4922 #### Report GTK as a toolkit, even if it doesn't use Xt.
4923 #### It makes printing result more understandable as using GTK sets
4924 #### toolkit_scroll_bars to yes by default.
4925 if test "${HAVE_GTK}" = "yes"; then
4926 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4929 if test $USE_ACL -ne 0; then
4930 acl_summary="yes $LIB_ACL"
4936 Configured for \`${canonical}'.
4938 Where should the build process find the source code? ${srcdir}
4939 What compiler should emacs be built with? ${CC} ${CFLAGS}
4940 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4941 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4942 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4943 What window system should Emacs use? ${window_system}
4944 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4946 if test -n "${x_includes}"; then
4947 echo " Where do we find X Windows header files? ${x_includes}"
4949 echo " Where do we find X Windows header files? Standard dirs"
4951 if test -n "${x_libraries}"; then
4952 echo " Where do we find X Windows libraries? ${x_libraries}"
4954 echo " Where do we find X Windows libraries? Standard dirs"
4957 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4958 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4959 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4960 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4961 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4962 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4963 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4964 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4966 echo " Does Emacs support sound? ${HAVE_SOUND}"
4968 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4969 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4970 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4971 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4972 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4973 echo " Does Emacs use access control lists? ${acl_summary}"
4974 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4975 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4976 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4978 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4979 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4980 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4981 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4982 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4984 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4987 if test -n "${EMACSDATA}"; then
4988 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4990 if test -n "${EMACSDOC}"; then
4991 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4996 if test "$HAVE_NS" = "yes"; then
4998 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4999 The installed application will go to nextstep/Emacs.app and can be
5000 run or moved from there."
5001 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5002 echo "The application will be fully self-contained."
5004 echo "The lisp resources for the application will be installed under ${prefix}.
5005 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5006 to run if these resources are not installed."
5011 if test "${opsys}" = "cygwin"; then
5013 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5019 # Remove any trailing slashes in these variables.
5020 [test "${prefix}" != NONE &&
5021 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5022 test "${exec_prefix}" != NONE &&
5023 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5025 if test "$HAVE_NS" = "yes"; then
5026 if test "$NS_IMPL_GNUSTEP" = yes; then
5027 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5028 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5029 ns_check_file=Resources/Info-gnustep.plist
5031 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5032 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5033 ns_check_file=Contents/Info.plist
5035 AC_SUBST(ns_check_file)
5038 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5039 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5040 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5041 dnl (else you get "no `Makefile.am' found for any configure output").
5042 dnl This will work, but you get a config.status that is not quite right
5043 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5044 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5045 dnl it seems better to just live with the duplication.
5046 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5048 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5049 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5050 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5051 leim/Makefile nextstep/Makefile nt/Makefile])
5053 dnl test/ is not present in release tarfiles.
5054 opt_makefile=test/automated/Makefile
5056 if test -f "$srcdir/$opt_makefile.in"; then
5057 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5058 dnl Again, it's best not to use a variable. Though you can add
5059 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5060 AC_CONFIG_FILES([test/automated/Makefile])
5064 dnl The admin/ directory used to be excluded from tarfiles.
5065 if test -d $srcdir/admin; then
5066 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5067 AC_CONFIG_FILES([admin/unidata/Makefile])
5068 AC_CONFIG_FILES([admin/grammars/Makefile])
5072 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5074 AC_SUBST(SUBDIR_MAKEFILES_IN)
5076 dnl You might wonder (I did) why epaths.h is generated by running make,
5077 dnl rather than just letting configure generate it from epaths.in.
5078 dnl One reason is that the various paths are not fully expanded (see above);
5079 dnl eg gamedir=${prefix}/var/games/emacs.
5080 dnl Secondly, the GNU Coding standards require that one should be able
5081 dnl to run `make prefix=/some/where/else' and override the values set
5082 dnl by configure. This also explains the `move-if-change' test and
5083 dnl the use of force in the `epaths-force' rule in Makefile.in.
5084 AC_CONFIG_COMMANDS([src/epaths.h], [
5085 if test "${opsys}" = "mingw32"; then
5086 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5088 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5090 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5092 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5093 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5095 AC_CONFIG_COMMANDS([src/.gdbinit], [
5096 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5097 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit