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, 1999-2013 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 test "x$MSYSTEM" = "xMINGW32" && . $srcdir/nt/mingw-cfg.site
29 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
30 dnl and then quoted again for a C string. Separate options with spaces.
31 dnl Add some environment variables, if they were passed via the environment
32 dnl rather than on the command-line.
35 dnl This is the documented way to record the args passed to configure,
36 dnl rather than $ac_configure_args.
37 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
39 -n | --no-create | --no-recursion)
41 CFLAGS | CPPFLAGS | LDFLAGS)
42 eval 'test "${'$opt'+set}" = set' || continue
44 *" $opt="*) continue ;;
46 eval opt=$opt=\$$opt ;;
49 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
51 *[["$emacs_shell_specials"]]*)
54 emacs_quote_apostrophes="s/'/'\\\\''/g"
55 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
60 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
61 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
64 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
68 AC_CONFIG_HEADER(src/config.h:src/config.in)
69 AC_CONFIG_SRCDIR(src/lisp.h)
70 AC_CONFIG_AUX_DIR(build-aux)
71 dnl Fairly arbitrary, older versions might work too.
72 AM_INIT_AUTOMAKE(1.11)
74 dnl Support for --program-prefix, --program-suffix and
75 dnl --program-transform-name options
78 dnl It is important that variables on the RHS not be expanded here,
79 dnl hence the single quotes. This is per the GNU coding standards, see
80 dnl (autoconf) Installation Directory Variables
81 dnl See also epaths.h below.
82 lispdir='${datadir}/emacs/${version}/lisp'
83 standardlisppath='${lispdir}'
84 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
85 '${datadir}/emacs/site-lisp'
86 lisppath='${locallisppath}:${standardlisppath}'
87 etcdir='${datadir}/emacs/${version}/etc'
88 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
89 etcdocdir='${datadir}/emacs/${version}/etc'
90 gamedir='${localstatedir}/games/emacs'
92 dnl Special option to disable the most of other options.
94 [AS_HELP_STRING([--without-all],
95 [omit almost all features and build
96 small executable with minimal dependencies])],
97 [with_features=$withval
98 with_openssl_default=$withval],
101 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
102 dnl Create a new --with option that defaults to being disabled.
103 dnl NAME is the base name of the option. The shell variable with_NAME
104 dnl will be set to either the user's value (if the option is
105 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
106 dnl option is not specified). Note that the shell variable name is
107 dnl constructed as autoconf does, by replacing non-alphanumeric
108 dnl characters with "_".
109 dnl HELP-STRING is the help text for the option.
110 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
111 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
112 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
115 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
116 dnl Create a new --with option that defaults to $with_features.
117 dnl NAME is the base name of the option. The shell variable with_NAME
118 dnl will be set either to 'no' (for a plain --without-NAME) or to
119 dnl 'yes' (if the option is not specified). Note that the shell
120 dnl variable name is constructed as autoconf does, by replacing
121 dnl non-alphanumeric characters with "_".
122 dnl HELP-STRING is the help text for the option.
123 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
124 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
125 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
128 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
129 if test "$with_pop" = yes; then
130 AC_DEFINE(MAIL_USE_POP)
132 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
134 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
135 if test "$with_kerberos" != no; then
138 AH_TEMPLATE(KERBEROS,
139 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
141 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
142 if test "${with_kerberos5}" != no; then
143 if test "${with_kerberos}" = no; then
147 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
150 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
151 dnl FIXME hesiod support may not be present, so it seems like an error
152 dnl to define, or at least use, this unconditionally.
153 if test "$with_hesiod" != no; then
154 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
157 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
158 if test "$with_mmdf" != no; then
159 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
162 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
163 if test "$with_mail_unlink" != no; then
164 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
167 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
168 [string giving default POP mail host])],
169 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
171 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
172 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
173 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
174 [ case "${withval}" in
175 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
176 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
177 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
182 [with_sound=$with_features])
184 dnl FIXME currently it is not the last.
185 dnl This should be the last --with option, because --with-x is
186 dnl added later on when we find the file name of X, and it's best to
187 dnl keep them together visually.
188 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
189 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
190 [ case "${withval}" in
191 y | ye | yes ) val=gtk ;;
193 l | lu | luc | luci | lucid ) val=lucid ;;
194 a | at | ath | athe | athen | athena ) val=athena ;;
195 m | mo | mot | moti | motif ) val=motif ;;
196 g | gt | gtk ) val=gtk ;;
200 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
201 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
202 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
203 `athena' and `lucid' are synonyms.])
209 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
210 if test "$with_wide_int" = yes; then
211 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
214 dnl _ON results in a '--without' option in the --help output, so
215 dnl the help text should refer to "don't compile", etc.
216 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
217 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
218 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
219 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
220 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
221 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
222 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
223 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
225 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
226 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
227 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
229 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
230 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
231 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
232 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
233 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
235 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
236 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
237 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
238 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
239 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
240 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
241 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
243 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
244 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
245 [ case "${withval}" in
246 y | ye | yes ) val=yes ;;
248 g | gf | gfi | gfil | gfile ) val=gfile ;;
249 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
250 w | w3 | w32 ) val=w32 ;;
251 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
252 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
253 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
254 otherwise for the first of `gfile' or `inotify' that is usable.])
257 with_file_notification=$val
259 [with_file_notification=$with_features])
261 ## For the times when you want to build Emacs but don't have
262 ## a suitable makeinfo, and can live without the manuals.
263 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
264 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
266 ## Makefile.in needs the cache file name.
269 ## This is an option because I do not know if all info/man support
270 ## compressed files, nor how to test if they do so.
271 OPTION_DEFAULT_ON([compress-install],
272 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
273 make GZIP_PROG= install])
275 AC_ARG_WITH([pkg-config-prog],dnl
276 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
277 [file name of pkg-config for finding GTK and librsvg])])
278 if test "X${with_pkg_config_prog}" != X; then
279 if test "${with_pkg_config_prog}" != yes; then
280 PKG_CONFIG="${with_pkg_config_prog}"
284 AC_ARG_WITH(gameuser,dnl
285 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
286 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
287 && gameuser="${with_gameuser}"
288 test "X$gameuser" = X && gameuser=games
290 AC_ARG_WITH([gnustep-conf],dnl
291 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
292 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
293 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
294 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
295 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
296 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
298 AC_ARG_ENABLE(ns-self-contained,
299 [AS_HELP_STRING([--disable-ns-self-contained],
300 [disable self contained build under NeXTstep])],
301 EN_NS_SELF_CONTAINED=$enableval,
302 EN_NS_SELF_CONTAINED=yes)
304 AC_ARG_ENABLE(locallisppath,
305 [AS_HELP_STRING([--enable-locallisppath=PATH],
306 [directories Emacs should search for lisp files specific
308 if test "${enableval}" = "no"; then
310 elif test "${enableval}" != "yes"; then
311 locallisppath=${enableval}
314 AC_ARG_ENABLE(checking,
315 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
316 [enable expensive run-time checks. With LIST,
317 enable only specific categories of checks.
318 Categories are: all,yes,no.
319 Flags are: stringbytes, stringoverrun, stringfreelist,
320 xmallocoverrun, conslist, glyphs])],
321 [ac_checking_flags="${enableval}"],[])
322 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
323 for check in $ac_checking_flags
326 # these set all the flags to specific states
327 yes) ac_enable_checking=1 ;;
328 no) ac_enable_checking= ;
329 ac_gc_check_stringbytes= ;
330 ac_gc_check_string_overrun= ;
331 ac_gc_check_string_free_list= ;
332 ac_xmalloc_overrun= ;
333 ac_gc_check_cons_list= ;
335 all) ac_enable_checking=1 ;
336 ac_gc_check_stringbytes=1 ;
337 ac_gc_check_string_overrun=1 ;
338 ac_gc_check_string_free_list=1 ;
339 ac_xmalloc_overrun=1 ;
340 ac_gc_check_cons_list=1 ;
342 # these enable particular checks
343 stringbytes) ac_gc_check_stringbytes=1 ;;
344 stringoverrun) ac_gc_check_string_overrun=1 ;;
345 stringfreelist) ac_gc_check_string_free_list=1 ;;
346 xmallocoverrun) ac_xmalloc_overrun=1 ;;
347 conslist) ac_gc_check_cons_list=1 ;;
348 glyphs) ac_glyphs_debug=1 ;;
349 *) AC_MSG_ERROR(unknown check category $check) ;;
354 if test x$ac_enable_checking != x ; then
355 AC_DEFINE(ENABLE_CHECKING, 1,
356 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
358 if test x$ac_gc_check_stringbytes != x ; then
359 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
360 [Define this temporarily to hunt a bug. If defined, the size of
361 strings is redundantly recorded in sdata structures so that it can
362 be compared to the sizes recorded in Lisp strings.])
364 if test x$ac_gc_check_string_overrun != x ; then
365 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
366 [Define this to check for short string overrun.])
368 if test x$ac_gc_check_string_free_list != x ; then
369 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
370 [Define this to check the string free list.])
372 if test x$ac_xmalloc_overrun != x ; then
373 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
374 [Define this to check for malloc buffer overrun.])
376 if test x$ac_gc_check_cons_list != x ; then
377 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
378 [Define this to check for errors in cons list.])
380 if test x$ac_glyphs_debug != x ; then
381 AC_DEFINE(GLYPH_DEBUG, 1,
382 [Define this to enable glyphs debugging code.])
385 AC_ARG_ENABLE(check-lisp-object-type,
386 [AS_HELP_STRING([--enable-check-lisp-object-type],
387 [enable compile time checks for the Lisp_Object data type.
388 This is useful for development for catching certain types of bugs.])],
389 if test "${enableval}" != "no"; then
390 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
391 [Define this to enable compile time checks for the Lisp_Object data type.])
395 dnl The name of this option is unfortunate. It predates, and has no
396 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
397 dnl Actually, it stops it working.
398 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
399 AC_ARG_ENABLE(profiling,
400 [AS_HELP_STRING([--enable-profiling],
401 [build emacs with low-level, gprof profiling support.
402 Mainly useful for debugging Emacs itself. May not work on
403 all platforms. Stops profiler.el working.])],
404 [ac_enable_profiling="${enableval}"],[])
405 if test x$ac_enable_profiling != x ; then
406 PROFILING_CFLAGS="-DPROFILING=1 -pg"
410 AC_SUBST(PROFILING_CFLAGS)
412 AC_ARG_ENABLE(autodepend,
413 [AS_HELP_STRING([--enable-autodepend],
414 [automatically generate dependencies to .h-files.
415 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
417 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
419 AC_ARG_ENABLE(gtk-deprecation-warnings,
420 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
421 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
422 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
424 ### Canonicalize the configuration name.
428 configuration=${host_alias-${build_alias-$host}}
430 dnl This used to use changequote, but, apart from `changequote is evil'
431 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
432 dnl the great gob of text. Thus it's not processed for possible expansion.
433 dnl Just make sure the brackets remain balanced.
435 dnl Since Emacs can't find matching pairs of quotes, boundaries are
436 dnl indicated by comments.
440 ### If you add support for a new configuration, add code to this
441 ### switch statement to recognize your configuration name and select
442 ### the appropriate operating system file.
444 ### You would hope that you could choose an s/*.h
445 ### file based on the operating system portion. However, it turns out
446 ### that each s/*.h file is pretty manufacturer-specific.
447 ### So we basically have to have a special case for each
448 ### configuration name.
450 ### As far as handling version numbers on operating systems is
451 ### concerned, make sure things will fail in a fixable way. If
452 ### /etc/MACHINES doesn't say anything about version numbers, be
453 ### prepared to handle anything reasonably. If version numbers
454 ### matter, be sure /etc/MACHINES says something about it.
457 case "${canonical}" in
459 ## GNU/Linux and similar ports
474 ## FreeBSD kernel + glibc based userland
489 ## Apple Darwin / Mac OS X
491 case "${canonical}" in
498 ## Use fink packages if available.
499 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
500 ## if test -d /sw/include && test -d /sw/lib; then
501 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
502 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
511 ## HP 9000 series 700 and 800, running HP/UX
515 hppa*-hp-hpux1[1-9]* )
517 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
521 rs6000-ibm-aix4.[23]* )
524 powerpc-ibm-aix4.[23]* )
527 rs6000-ibm-aix[56]* )
530 powerpc-ibm-aix[56]* )
534 ## Silicon Graphics machines
538 # Without defining _LANGUAGE_C, things get masked out in the headers
539 # so that, for instance, grepping for `free' in stdlib.h fails and
540 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
541 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
546 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
547 | x86_64-*-solaris2* | x86_64-*-sunos5*)
548 case "${canonical}" in
550 amd64-*-*|x86_64-*-*) ;;
554 case "${canonical}" in
555 *-sunos5.6* | *-solaris2.6* )
559 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
561 emacs_check_sunpro_c=yes
563 *-sunos5* | *-solaris* )
565 emacs_check_sunpro_c=yes
568 ## Watch out for a compiler that we know will not work.
569 case "${canonical}" in
570 *-solaris* | *-sunos5* )
571 if [ "x$CC" = x/usr/ucb/cc ]; then
572 ## /usr/ucb/cc doesn't work;
573 ## we should find some other compiler that does work.
581 ## Intel 386 machines where we don't care about the manufacturer.
583 case "${canonical}" in
584 *-darwin* ) opsys=darwin ;;
587 # MinGW overrides and adds some system headers in nt/inc.
588 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
590 *-sysv4.2uw* ) opsys=unixware ;;
591 *-sysv5uw* ) opsys=unixware ;;
592 *-sysv5OpenUNIX* ) opsys=unixware ;;
593 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
602 ### If the code above didn't choose an operating system, just choose
603 ### an operating system based on the configuration name. You really
604 ### only want to use this when you have no idea what the right
605 ### operating system is; if you know what operating systems a machine
606 ### runs, it's cleaner to make it explicit in the case statement
608 if test x"${opsys}" = x; then
609 case "${canonical}" in
610 *-gnu* ) opsys=gnu ;;
620 if test $unported = yes; then
621 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
622 Check `etc/MACHINES' for recognized configuration names.])
626 #### Choose a compiler.
628 dnl Sets GCC=yes if using gcc.
632 if test x$GCC = xyes; then
633 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
635 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
638 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
639 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
640 dnl that clash with MinGW.
641 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
643 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
644 # as we don't use them.
645 AC_DEFUN([gl_FCNTL_O_FLAGS])
646 # Avoid gnulib's threadlib module, as we do threads our own way.
647 AC_DEFUN([gl_THREADLIB])
649 # Initialize gnulib right after choosing the compiler.
650 dnl Amongst other things, this sets AR and ARFLAGS.
653 if test "$ac_test_CFLAGS" != set; then
654 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
655 # if -g3 works and the user does not specify CFLAGS.
656 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
659 emacs_g3_CFLAGS='-g3';;
661 emacs_g3_CFLAGS='-g3 -O2';;
665 if test -n "$emacs_g3_CFLAGS"; then
666 emacs_save_CFLAGS=$CFLAGS
667 CFLAGS=$emacs_g3_CFLAGS
668 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
669 [emacs_cv_prog_cc_g3],
670 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
671 [emacs_cv_prog_cc_g3=yes],
672 [emacs_cv_prog_cc_g3=no])])
673 if test $emacs_cv_prog_cc_g3 != yes; then
674 CFLAGS=$emacs_save_CFLAGS
676 if test $opsys = mingw32; then
677 CFLAGS="$CFLAGS -gdwarf-2"
684 # No optimization flag was inferred for this non-GCC compiler.
685 # Try -O. This is needed for xlc on AIX; see Bug#14258.
686 emacs_save_CFLAGS=$CFLAGS
687 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
689 AC_CACHE_CHECK([whether $CC accepts -O],
690 [emacs_cv_prog_cc_o],
691 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
692 [emacs_cv_prog_cc_o=yes],
693 [emacs_cv_prog_cc_o=no])])
694 if test $emacs_cv_prog_cc_o != yes; then
695 CFLAGS=$emacs_save_CFLAGS
700 AC_ARG_ENABLE([gcc-warnings],
701 [AS_HELP_STRING([--enable-gcc-warnings],
702 [turn on lots of GCC warnings/errors. This is intended for
703 developers, and may generate false alarms when used
704 with older or non-GNU development tools.])],
707 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
709 gl_gcc_warnings=$enableval],
713 AC_ARG_ENABLE(link-time-optimization,
714 [AS_HELP_STRING([--enable-link-time-optimization],
715 [build emacs with link-time optimization.
716 This is supported only for GCC since 4.5.0.])],
717 if test "${enableval}" != "no"; then
718 AC_MSG_CHECKING([whether link-time optimization is supported])
720 if test x$GCC = xyes; then
721 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
722 if test x$CPUS != x; then
728 CFLAGS="$CFLAGS $LTO"
729 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
730 [ac_lto_supported=yes], [ac_lto_supported=no])
733 AC_MSG_RESULT([$ac_lto_supported])
734 if test "$ac_lto_supported" = "yes"; then
735 CFLAGS="$CFLAGS $LTO"
739 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
740 # ------------------------------------------------
741 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
742 # Otherwise, run RUN-IF-NOT-FOUND.
743 AC_DEFUN([gl_GCC_VERSION_IFELSE],
747 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
750 # error "your version of gcc is older than $1.$2"
757 # clang is unduly picky about some things.
758 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
765 [emacs_cv_clang=yes],
766 [emacs_cv_clang=no])])
768 # When compiling with GCC, prefer -isystem to -I when including system
769 # include files, to avoid generating useless diagnostics for the files.
770 if test "$gl_gcc_warnings" != yes; then
772 if test "$emacs_cv_clang" = yes
774 # Turn off some warnings if supported.
775 gl_WARN_ADD([-Wno-switch])
776 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
777 gl_WARN_ADD([-Wno-pointer-sign])
782 # This, $nw, is the list of warnings we disable.
785 case $with_x_toolkit in
786 lucid | athena | motif)
787 # Old toolkits mishandle 'const'.
788 nw="$nw -Wwrite-strings"
791 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
794 AC_SUBST([WERROR_CFLAGS])
796 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
797 nw="$nw -Woverlength-strings" # Not a problem these days
798 nw="$nw -Wlogical-op" # any use of fwrite provokes this
799 nw="$nw -Wformat-nonliteral" # we do this a lot
800 nw="$nw -Wvla" # warnings in gettext.h
801 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
802 nw="$nw -Wswitch-default" # Too many warnings for now
803 nw="$nw -Winline" # OK to ignore 'inline'
804 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
805 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
806 # signed overflow has undefined behavior
807 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
808 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
809 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
811 # Emacs doesn't care about shadowing; see
812 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
815 # Emacs's use of alloca inhibits protecting the stack.
816 nw="$nw -Wstack-protector"
818 # The following line should be removable at some point.
819 nw="$nw -Wsuggest-attribute=pure"
821 # This part is merely for shortening the command line,
822 # since -Wno-FOO needs to be added below regardless.
823 nw="$nw -Wmissing-field-initializers"
825 nw="$nw -Wtype-limits"
826 nw="$nw -Wunused-parameter"
828 if test $emacs_cv_clang = yes; then
829 nw="$nw -Wcast-align"
832 gl_MANYWARN_ALL_GCC([ws])
833 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
837 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
838 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
839 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
840 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
841 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
842 gl_WARN_ADD([-Wno-format-nonliteral])
844 # In spite of excluding -Wlogical-op above, it is enabled, as of
845 # gcc 4.5.0 20090517.
846 gl_WARN_ADD([-Wno-logical-op])
848 # More things that clang is unduly picky about.
849 if test $emacs_cv_clang = yes; then
850 gl_WARN_ADD([-Wno-format-extra-args])
851 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
852 gl_WARN_ADD([-Wno-unused-command-line-argument])
853 gl_WARN_ADD([-Wno-unused-value])
856 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
857 AH_VERBATIM([FORTIFY_SOURCE],
858 [/* Enable compile-time and run-time bounds-checking, and some warnings,
859 without upsetting glibc 2.15+. */
860 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
861 # define _FORTIFY_SOURCE 2
864 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
866 # We use a slightly smaller set of warning options for lib/.
867 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
869 nw="$nw -Wunused-macros"
871 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
872 AC_SUBST([GNULIB_WARN_CFLAGS])
877 dnl Some other nice autoconf tests.
878 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
881 dnl if test "x$RANLIB" = x; then
886 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
887 dnl can be made to directories. This is not relevant for our usage, and
888 dnl excludes some cases that work fine for us. Eg MS Windows or files
889 dnl hosted on AFS, both examples where simple links work, but links to
890 dnl directories fail. We use a cut-down version instead.
893 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
894 rm -f conf$$ conf$$.file
896 LN_S_FILEONLY='cp -p'
898 if (echo >conf$$.file) 2>/dev/null; then
899 if ln -s conf$$.file conf$$ 2>/dev/null; then
900 LN_S_FILEONLY='ln -s'
901 elif ln conf$$.file conf$$ 2>/dev/null; then
906 rm -f conf$$ conf$$.file
908 if test "$LN_S_FILEONLY" = "ln -s"; then
911 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
914 AC_SUBST(LN_S_FILEONLY)
917 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
918 dnl doesn't support links to directories, as in "ln file dir". But that
919 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
920 dnl executables at "make install" time.
921 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
922 dnl for more details.
923 if test "$opsys" = "mingw32"; then
927 AC_PATH_PROG(INSTALL_INFO, install-info, :,
928 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
929 dnl Don't use GZIP, which is used by gzip for additional parameters.
930 AC_PATH_PROG(GZIP_PROG, gzip)
932 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
933 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
935 if test $opsys = gnu-linux; then
936 AC_PATH_PROG(PAXCTL, paxctl,,
937 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
938 if test "X$PAXCTL" != X; then
939 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
940 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
941 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
942 else AC_MSG_RESULT(no); PAXCTL=""; fi])
946 ## Need makeinfo >= 4.7 (?) to build the manuals.
947 AC_PATH_PROG(MAKEINFO, makeinfo, no)
948 dnl By this stage, configure has already checked for egrep and set EGREP,
949 dnl or exited with an error if no egrep was found.
950 if test "$MAKEINFO" != "no"; then
952 $MAKEINFO --version 2> /dev/null |
953 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
959 ## Makeinfo is unusual. For a released Emacs, the manuals are
960 ## pre-built, and not deleted by the normal clean rules. makeinfo is
961 ## therefore in the category of "special tools" not normally required, which
962 ## configure does not have to check for (eg autoconf itself).
963 ## In a Bazaar checkout on the other hand, the manuals are not included.
964 ## So makeinfo is a requirement to build from Bazaar, and configure
965 ## should test for it as it does for any other build requirement.
966 ## We use the presence of $srcdir/info/emacs to distinguish a release,
967 ## with pre-built manuals, from a Bazaar checkout.
970 if test "$MAKEINFO" = "no"; then
972 if test "x${with_makeinfo}" = "xno"; then
974 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
975 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
976 source tree does not seem to have pre-built manuals in the `info' directory.
977 Either install a suitable version of makeinfo, or re-run configure
978 with the `--without-makeinfo' option to build without the manuals.] )
981 AC_SUBST(HAVE_MAKEINFO)
983 dnl Just so that there is only a single place we need to edit.
989 if test $opsys = mingw32; then
994 AC_SUBST(DOCMISC_W32)
996 dnl Add our options to ac_link now, after it is set up.
998 if test x$GCC = xyes; then
999 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1000 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1002 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1003 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1006 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1007 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1008 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1009 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1010 dnl if not built to support GNU ld.
1012 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1013 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1014 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1015 dnl Eg "make LDFLAGS=... all" could run into problems,
1016 dnl http://bugs.debian.org/684788
1017 dnl * unnecessary, since temacs is the only thing that actually needs it.
1018 dnl Indeed this is where it was originally, prior to:
1019 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1020 late_LDFLAGS="$LDFLAGS"
1021 if test x$GCC = xyes; then
1022 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1024 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1027 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1029 AC_MSG_CHECKING([for -znocombreloc])
1030 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1031 [AC_MSG_RESULT(yes)],
1032 LDFLAGS_NOCOMBRELOC=
1033 [AC_MSG_RESULT(no)])
1035 LDFLAGS="$late_LDFLAGS"
1037 dnl The function dump-emacs will not be defined and temacs will do
1038 dnl (load "loadup") automatically unless told otherwise.
1039 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1041 your-opsys-here) CANNOT_DUMP=yes ;;
1044 test "$CANNOT_DUMP" = "yes" && \
1045 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1047 AC_SUBST(CANNOT_DUMP)
1050 UNEXEC_OBJ=unexelf.o
1052 # MSDOS uses unexcoff.o
1054 UNEXEC_OBJ=unexaix.o
1060 UNEXEC_OBJ=unexmacosx.o
1063 UNEXEC_OBJ=unexhp9k800.o
1066 UNEXEC_OBJ=unexw32.o
1069 # Use the Solaris dldump() function, called from unexsol.c, to dump
1070 # emacs, instead of the generic ELF dump code found in unexelf.c.
1071 # The resulting binary has a complete symbol table, and is better
1072 # for debugging and other observability tools (debuggers, pstack, etc).
1074 # If you encounter a problem using dldump(), please consider sending
1075 # a message to the OpenSolaris tools-linking mailing list:
1076 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1078 # It is likely that dldump() works with older Solaris too, but this has
1079 # not been tested, so for now this change is for Solaris 10 or newer.
1080 UNEXEC_OBJ=unexsol.o
1087 ## Let `ld' find image libs and similar things in /usr/local/lib.
1088 ## The system compiler, GCC, has apparently been modified to not
1089 ## look there, contrary to what a stock GCC would do.
1090 ### It's not our place to do this. See bug#10313#17.
1091 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1096 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1097 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1101 ### It's not our place to do this. See bug#10313#17.
1102 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1107 ## Han Boetes <han@boetes.org> says this is necessary,
1108 ## otherwise Emacs dumps core on elf systems.
1109 LD_SWITCH_SYSTEM="-Z"
1112 AC_SUBST(LD_SWITCH_SYSTEM)
1114 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1116 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1117 ## which has not been defined yet. When this was handled with cpp,
1118 ## it was expanded to null when configure sourced the s/*.h file.
1119 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1120 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1121 ## (or somesuch), but because it is supposed to go at the _front_
1122 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1123 ## Compare with the gnu-linux case below, which added to the end
1124 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1125 ## LD_SWITCH_SYSTEM_TEMACS.
1128 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1135 AC_CHECK_DECL([__ELF__])
1136 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1137 ## With ELF, make sure that all common symbols get allocated to in the
1138 ## data section. Otherwise, the dump of temacs may miss variables in
1139 ## the shared library that have been initialized. For example, with
1140 ## GNU libc, __malloc_initialized would normally be resolved to the
1141 ## shared library's .bss section, which is fatal.
1142 if test "x$GCC" = "xyes"; then
1143 C_SWITCH_MACHINE="-fno-common"
1145 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1148 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1149 dnl albeit under the mistaken assumption that said file
1150 dnl was no longer used.
1151 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1155 AC_SUBST(C_SWITCH_MACHINE)
1157 AC_SUBST(UNEXEC_OBJ)
1160 ## Some programs in src produce warnings saying certain subprograms
1161 ## are too complex and need a MAXMEM value greater than 2000 for
1162 ## additional optimization. --nils@exp-math.uni-essen.de
1163 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1164 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1165 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1166 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1167 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1168 AC_SUBST(C_SWITCH_SYSTEM)
1173 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1174 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1176 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1178 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1180 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1182 ## Motif needs -lgen.
1183 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1186 AC_SUBST(LIBS_SYSTEM)
1188 ### Make sure subsequent tests use flags consistent with the build flags.
1190 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1191 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1193 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1196 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1197 AC_DEFUN([AC_TYPE_SIZE_T])
1198 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1199 AC_DEFUN([AC_TYPE_UID_T])
1203 dnl Current possibilities handled by sed (aix4-2 -> aix,
1204 dnl gnu-linux -> gnu/linux, etc.):
1205 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1206 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1207 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1214 ## Adding -lm confuses the dynamic linker, so omit it.
1217 freebsd | dragonfly )
1218 SYSTEM_TYPE=berkeley-unix
1220 gnu-linux | gnu-kfreebsd )
1222 hpux10-20 | hpux11 )
1226 SYSTEM_TYPE=windows-nt
1228 dnl NB this may be adjusted below.
1230 SYSTEM_TYPE=berkeley-unix
1234 SYSTEM_TYPE=usg-unix-v
1240 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1241 [The type of system you are compiling for; sets `system-type'.])
1244 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1245 pre_PKG_CONFIG_LIBS=$LIBS
1247 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1249 dnl This function definition taken from Gnome 2.0
1250 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1251 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1252 dnl also defines GSTUFF_PKG_ERRORS on error
1253 AC_DEFUN([PKG_CHECK_MODULES], [
1256 if test "$PKG_CONFIG" = "no" ; then
1257 ifelse([$4], , [AC_MSG_ERROR([
1258 *** 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])
1260 PKG_CONFIG_MIN_VERSION=0.9.0
1261 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1262 AC_MSG_CHECKING(for $2)
1264 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1265 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1266 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1273 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1274 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1275 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1281 ## If we have a custom action on failure, don't print errors, but
1282 ## do set a variable so people can do so. Do it in a subshell
1283 ## to capture any diagnostics in invoking pkg-config.
1284 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1285 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1291 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1292 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1296 if test $succeeded = yes; then
1297 ifelse([$3], , :, [$3])
1299 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.])], [$4])
1304 if test "${with_sound}" != "no"; then
1305 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1306 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1307 have_sound_header=yes, [], [
1309 #define WIN32_LEAN_AND_MEAN
1310 #include <windows.h>
1313 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1314 AC_MSG_ERROR([OSS sound support requested but not found.])
1316 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1317 # Emulation library used on NetBSD.
1318 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1319 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1320 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1321 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1322 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1326 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1328 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1329 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1330 if test $HAVE_ALSA = yes; then
1331 SAVE_CFLAGS="$CFLAGS"
1333 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1334 LIBS="$ALSA_LIBS $LIBS"
1335 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1336 emacs_alsa_normal=yes,
1337 emacs_alsa_normal=no)
1338 if test "$emacs_alsa_normal" != yes; then
1339 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1340 [[snd_lib_error_set_handler (0);]])],
1341 emacs_alsa_subdir=yes,
1342 emacs_alsa_subdir=no)
1343 if test "$emacs_alsa_subdir" != yes; then
1344 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1346 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1349 CFLAGS="$SAVE_CFLAGS"
1351 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1352 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1353 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1354 elif test "${with_sound}" = "alsa"; then
1355 AC_MSG_ERROR([ALSA sound support requested but not found.])
1357 fi dnl with_sound = alsa|yes
1359 dnl Define HAVE_SOUND if we have sound support. We know it works and
1360 dnl compiles only on the specified platforms. For others, it
1361 dnl probably doesn't make sense to try.
1362 dnl FIXME So surely we should bypass this whole section if not using
1363 dnl one of these platforms?
1364 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1366 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1367 dnl Adjust the --with-sound help text if you change this.
1368 gnu-linux|freebsd|netbsd|mingw32)
1369 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1375 AC_SUBST(CFLAGS_SOUND)
1378 dnl checks for header files
1379 AC_CHECK_HEADERS_ONCE(
1383 sys/utsname.h pwd.h utmp.h util.h)
1385 AC_MSG_CHECKING(if personality LINUX32 can be set)
1386 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1387 emacs_cv_personality_linux32=yes,
1388 emacs_cv_personality_linux32=no)
1389 AC_MSG_RESULT($emacs_cv_personality_linux32)
1391 if test $emacs_cv_personality_linux32 = yes; then
1392 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1393 [Define to 1 if personality LINUX32 can be set.])
1396 dnl On Solaris 8 there's a compilation warning for term.h because
1397 dnl it doesn't define `bool'.
1398 AC_CHECK_HEADERS(term.h, , , -)
1400 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1402 if test $ac_cv_have_decl_sys_siglist != yes; then
1403 # For Tru64, at least:
1404 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1409 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1410 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1411 #if HAVE_SYS_SOCKET_H
1412 #include <sys/socket.h>
1414 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1415 #if HAVE_SYS_SOCKET_H
1416 #include <sys/socket.h>
1418 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1419 #if HAVE_SYS_SOCKET_H
1420 #include <sys/socket.h>
1423 dnl checks for structure members
1424 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1425 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1426 struct ifreq.ifr_addr,
1427 struct ifreq.ifr_addr.sa_len], , ,
1428 [AC_INCLUDES_DEFAULT
1429 #if HAVE_SYS_SOCKET_H
1430 #include <sys/socket.h>
1436 dnl Check for endianness.
1437 dnl AC_C_BIGENDIAN is done by gnulib.
1439 dnl check for Make feature
1440 dnl AC_PROG_MAKE_SET is done by Automake.
1445 dnl check for GNU Make if we have GCC and autodepend is on.
1446 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1447 AC_MSG_CHECKING([whether we are using GNU Make])
1449 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1450 if test "x$testval" != x; then
1453 ac_enable_autodepend=no
1455 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1456 if test $HAVE_GNU_MAKE = yes; then
1457 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1458 SAVE_CFLAGS="$CFLAGS"
1459 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1460 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1461 CFLAGS="$SAVE_CFLAGS"
1462 test -f deps.d || ac_enable_autodepend=no
1464 AC_MSG_RESULT([$ac_enable_autodepend])
1466 if test $ac_enable_autodepend = yes; then
1467 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1468 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1469 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1470 deps_frag=autodeps.mk
1473 deps_frag=$srcdir/src/$deps_frag
1476 AC_SUBST_FILE(deps_frag)
1479 lisp_frag=$srcdir/src/lisp.mk
1480 AC_SUBST_FILE(lisp_frag)
1483 dnl checks for operating system services
1484 AC_SYS_LONG_FILE_NAMES
1486 #### Choose a window system.
1488 ## We leave window_system equal to none if
1489 ## we end up building without one. Any new window system should
1490 ## set window_system to an appropriate value and add objects to
1491 ## window-system-specific substs.
1495 if test "$no_x" != yes; then
1499 LD_SWITCH_X_SITE_RPATH=
1500 if test "${x_libraries}" != NONE; then
1501 if test -n "${x_libraries}"; then
1502 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1503 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1505 x_default_search_path=""
1506 x_search_path=${x_libraries}
1507 if test -z "${x_search_path}"; then
1508 x_search_path=/usr/lib
1510 for x_library in `echo ${x_search_path}: | \
1511 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1513 ${x_library}/X11/%L/%T/%N%C%S:\
1514 ${x_library}/X11/%l/%T/%N%C%S:\
1515 ${x_library}/X11/%T/%N%C%S:\
1516 ${x_library}/X11/%L/%T/%N%S:\
1517 ${x_library}/X11/%l/%T/%N%S:\
1518 ${x_library}/X11/%T/%N%S"
1519 if test x"${x_default_search_path}" = x; then
1520 x_default_search_path=${x_search_path}
1522 x_default_search_path="${x_search_path}:${x_default_search_path}"
1526 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1528 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1529 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1532 if test x"${x_includes}" = x; then
1533 bitmapdir=/usr/include/X11/bitmaps
1535 # accumulate include directories that have X11 bitmap subdirectories
1537 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1538 if test -d "${bmd}/X11/bitmaps"; then
1539 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1541 if test -d "${bmd}/bitmaps"; then
1542 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1545 if test ${bmd_acc} != "dummyval"; then
1546 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1553 tmp_CPPFLAGS="$CPPFLAGS"
1554 tmp_CFLAGS="$CFLAGS"
1555 CPPFLAGS="$CPPFLAGS -x objective-c"
1556 CFLAGS="$CFLAGS -x objective-c"
1559 if test "${with_ns}" != no; then
1560 if test "${opsys}" = darwin; then
1562 ns_appdir=`pwd`/nextstep/Emacs.app
1563 ns_appbindir=${ns_appdir}/Contents/MacOS
1564 ns_appresdir=${ns_appdir}/Contents/Resources
1565 ns_appsrc=Cocoa/Emacs.base
1566 elif test -f $GNUSTEP_CONFIG_FILE; then
1568 ns_appdir=`pwd`/nextstep/Emacs.app
1569 ns_appbindir=${ns_appdir}
1570 ns_appresdir=${ns_appdir}/Resources
1571 ns_appsrc=GNUstep/Emacs.base
1572 dnl FIXME sourcing this several times in subshells seems inefficient.
1573 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1574 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1575 dnl I seemed to need these as well with GNUstep-startup 0.25.
1576 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1577 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1578 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1579 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1580 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1581 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1582 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1583 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1584 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1585 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1586 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1587 dnl If they had chosen to either define it or not, we could have
1588 dnl just used AC_CHECK_DECL here.
1589 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1590 emacs_cv_objc_exceptions,
1591 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1592 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1596 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1597 if test $emacs_cv_objc_exceptions = yes; then
1598 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1599 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1600 [Define if GNUstep uses ObjC exceptions.])
1601 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1605 dnl This is only used while we test the NS headers, it gets reset below.
1606 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1608 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1609 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1610 files are missing or cannot be compiled.])])
1613 if test "${NS_IMPL_COCOA}" = "yes"; then
1614 AC_MSG_CHECKING([for OSX 10.4 or newer])
1615 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1617 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1618 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1621 #error "OSX 10.4 or newer required"
1625 ns_osx_have_104=yes,
1627 AC_MSG_RESULT([$ns_osx_have_104])
1629 if test $ns_osx_have_104 = no; then
1630 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1632 AC_MSG_CHECKING([for OSX 10.5 or newer])
1633 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1635 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1636 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1639 #error "OSX 10.5 not found"
1643 ns_osx_have_105=yes,
1645 AC_MSG_RESULT([$ns_osx_have_105])
1646 if test $ns_osx_have_105 = yes; then
1647 macfont_file="macfont.o"
1650 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1652 ns_have_nsinteger=yes,
1653 ns_have_nsinteger=no)
1654 if test $ns_have_nsinteger = yes; then
1655 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1659 AC_SUBST(LIBS_GNUSTEP)
1661 INSTALL_ARCH_INDEP_EXTRA=install-etc
1662 ns_self_contained=no
1665 if test "${HAVE_NS}" = yes; then
1666 if test "$with_toolkit_scroll_bars" = "no"; then
1667 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1670 window_system=nextstep
1671 # set up packaging dirs
1672 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1673 ns_self_contained=yes
1674 prefix=${ns_appresdir}
1675 exec_prefix=${ns_appbindir}
1676 dnl This one isn't really used, only archlibdir is.
1677 libexecdir="\${ns_appbindir}/libexec"
1678 archlibdir="\${ns_appbindir}/libexec"
1679 etcdocdir="\${ns_appresdir}/etc"
1680 etcdir="\${ns_appresdir}/etc"
1681 dnl FIXME maybe set datarootdir instead.
1682 dnl That would also get applications, icons, man.
1683 infodir="\${ns_appresdir}/info"
1684 mandir="\${ns_appresdir}/man"
1685 lispdir="\${ns_appresdir}/lisp"
1686 INSTALL_ARCH_INDEP_EXTRA=
1689 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1691 CFLAGS="$tmp_CFLAGS"
1692 CPPFLAGS="$tmp_CPPFLAGS"
1693 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1694 AC_SUBST(ns_self_contained)
1696 AC_SUBST(NS_OBJC_OBJ)
1707 if test "${with_w32}" != no; then
1710 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1711 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1712 cannot be found.])])
1715 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1718 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1723 if test "${opsys}" = "mingw32"; then
1724 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1725 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1726 #include <windows.h>
1727 #include <usp10.h>]],
1728 [[PIMAGE_NT_HEADERS pHeader;
1729 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1730 [emacs_cv_w32api=yes
1733 AC_MSG_RESULT($emacs_cv_w32api)
1734 if test "${emacs_cv_w32api}" = "no"; then
1735 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1746 if test "${HAVE_W32}" = "yes"; then
1747 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1748 AC_CHECK_TOOL(WINDRES, [windres],
1749 [AC_MSG_ERROR([No resource compiler found.])])
1750 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1751 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1752 EMACSRES="emacs.res"
1753 case "$canonical" in
1754 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1755 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1757 UPDATE_MANIFEST=update-game-score.exe.manifest
1758 if test "${opsys}" = "cygwin"; then
1759 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1760 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1761 # Tell the linker that emacs.res is an object (which we compile from
1762 # the rc file), not a linker script.
1763 W32_RES_LINK="-Wl,emacs.res"
1765 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1766 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1767 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1768 W32_RES_LINK="\$(EMACSRES)"
1769 CLIENTRES="emacsclient.res"
1770 CLIENTW="emacsclientw\$(EXEEXT)"
1771 FIRSTFILE_OBJ=firstfile.o
1774 LIBS_ECLIENT="-lcomctl32"
1775 LIB_WSOCK32="-lwsock32"
1776 NTLIB="ntlib.$ac_objext"
1777 XARGS_LIMIT="-s 10000"
1783 AC_SUBST(EMACS_MANIFEST)
1784 AC_SUBST(UPDATE_MANIFEST)
1787 AC_SUBST(W32_RES_LINK)
1788 AC_SUBST(FIRSTFILE_OBJ)
1791 AC_SUBST(LIBS_ECLIENT)
1792 AC_SUBST(LIB_WSOCK32)
1794 AC_SUBST(XARGS_LIMIT)
1796 if test "${HAVE_W32}" = "yes"; then
1801 ## $window_system is now set to the window system we will
1804 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1805 # Too many warnings for now.
1807 nw="$nw -Wsuggest-attribute=const"
1808 nw="$nw -Wsuggest-attribute=noreturn"
1809 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1811 gl_WARN_ADD([-Wno-unused-variable])
1812 gl_WARN_ADD([-Wno-unused-but-set-variable])
1813 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1821 case "${window_system}" in
1826 case "${with_x_toolkit}" in
1827 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1828 motif ) USE_X_TOOLKIT=MOTIF ;;
1830 term_header=gtkutil.h
1831 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1832 dnl USE_X_TOOLKIT is set.
1833 USE_X_TOOLKIT=none ;;
1834 gtk2 ) with_gtk2=yes
1835 term_header=gtkutil.h
1836 USE_X_TOOLKIT=none ;;
1837 gtk3 ) with_gtk3=yes
1838 term_header=gtkutil.h
1839 USE_X_TOOLKIT=none ;;
1840 no ) USE_X_TOOLKIT=none ;;
1841 dnl If user did not say whether to use a toolkit, make this decision later:
1842 dnl use the toolkit if we have gtk, or X11R5 or newer.
1843 * ) USE_X_TOOLKIT=maybe ;;
1847 term_header=nsterm.h
1850 term_header=w32term.h
1854 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1855 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1856 if test "$HAVE_XSERVER" = true ||
1857 test -n "$DISPLAY" ||
1858 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1859 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1860 were found. You should install the relevant development files for X
1861 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1862 sure you have development files for image handling, i.e.
1863 tiff, gif, jpeg, png and xpm.
1864 If you are sure you want Emacs compiled without X window support, pass
1870 # Does the opsystem file prohibit the use of the GNU malloc?
1871 # Assume not, until told otherwise.
1875 [whether malloc is Doug Lea style],
1876 [emacs_cv_var_doug_lea_malloc],
1879 [[#include <malloc.h>
1880 static void hook (void) {}]],
1881 [[malloc_set_state (malloc_get_state ());
1882 __after_morecore_hook = hook;
1883 __malloc_initialize_hook = hook;]])],
1884 [emacs_cv_var_doug_lea_malloc=yes],
1885 [emacs_cv_var_doug_lea_malloc=no])])
1886 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1889 dnl See comments in aix4-2.h about maybe using system malloc there.
1892 ## darwin ld insists on the use of malloc routines in the System framework.
1893 darwin|sol2-10) system_malloc=yes ;;
1897 if test "${system_malloc}" = "yes"; then
1898 AC_DEFINE([SYSTEM_MALLOC], 1,
1899 [Define to 1 to use the system memory allocator, even if it is not
1903 (The GNU allocators don't work with this system configuration.)"
1906 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1907 VMLIMIT_OBJ=vm-limit.o
1909 AC_CHECK_HEADERS([sys/vlimit.h])
1910 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1913 [[extern char data_start[]; char ch;]],
1914 [[return data_start < &ch;]])],
1915 [emacs_cv_data_start=yes],
1916 [emacs_cv_data_start=no])])
1917 if test $emacs_cv_data_start = yes; then
1918 AC_DEFINE([HAVE_DATA_START], 1,
1919 [Define to 1 if data_start is the address of the start
1920 of the main data segment.])
1923 AC_SUBST(GMALLOC_OBJ)
1924 AC_SUBST(VMLIMIT_OBJ)
1926 if test "$doug_lea_malloc" = "yes" ; then
1927 if test "$GNU_MALLOC" = yes ; then
1929 (Using Doug Lea's new malloc from the GNU C Library.)"
1931 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1932 [Define to 1 if the system memory allocator is Doug Lea style,
1933 with malloc hooks and malloc_set_state.])
1935 ## Use mmap directly for allocating larger buffers.
1936 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1937 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1938 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1940 gnu*) REL_ALLOC=no ;;
1944 if test x"${REL_ALLOC}" = x; then
1945 REL_ALLOC=${GNU_MALLOC}
1948 use_mmap_for_buffers=no
1950 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1954 if test $use_mmap_for_buffers = yes; then
1955 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1959 LIBS="$LIBS_SYSTEM $LIBS"
1961 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
1962 AC_CHECK_LIB(dnet, dnet_ntoa)
1963 dnl This causes -lresolv to get used in subsequent tests,
1964 dnl which causes failures on some systems such as HPUX 9.
1965 dnl AC_CHECK_LIB(resolv, gethostbyname)
1967 dnl FIXME replace main with a function we actually want from this library.
1968 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1970 dnl Check if pthreads is available.
1972 AC_CHECK_HEADERS_ONCE(pthread.h)
1973 if test "$ac_cv_header_pthread_h"; then
1974 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
1975 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
1976 dnl testing for pthread_self if Emacs uses gmalloc.c.
1977 if test "$GMALLOC_OBJ" = gmalloc.o; then
1978 emacs_pthread_function=pthread_atfork
1980 emacs_pthread_function=pthread_self
1982 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
1984 if test "$HAVE_PTHREAD" = yes; then
1985 case "${canonical}" in
1987 *) LIB_PTHREAD="-lpthread"
1988 LIBS="$LIB_PTHREAD $LIBS" ;;
1990 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
1992 AC_SUBST([LIB_PTHREAD])
1994 AC_CHECK_LIB(pthreads, cma_open)
1996 ## Note: when using cpp in s/aix4.2.h, this definition depended on
1997 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
1998 ## the system file was sourced. Hence the value of LIBS_SYSTEM
1999 ## added to LIBS in configure would never contain the pthreads part,
2000 ## but the value used in Makefiles might. FIXME?
2002 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
2003 ## be harmless on older versions of X where it happens to exist.
2004 test "$opsys" = "aix4-2" && \
2005 test $ac_cv_lib_pthreads_cma_open = yes && \
2006 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2008 dnl Check for need for bigtoc support on IBM AIX
2012 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2014 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2015 *) gdb_cv_bigtoc=-bbigtoc ;;
2018 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2019 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2024 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2025 # used for the tests that follow. We set them back to REAL_CFLAGS and
2026 # REAL_CPPFLAGS later on.
2028 REAL_CFLAGS="$CFLAGS"
2029 REAL_CPPFLAGS="$CPPFLAGS"
2031 if test "${HAVE_X11}" = "yes"; then
2032 DEFS="$C_SWITCH_X_SITE $DEFS"
2033 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2035 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2036 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2038 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2039 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2040 # but it's more convenient here to set LD_RUN_PATH since this
2041 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2042 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2043 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2047 if test "${opsys}" = "gnu-linux"; then
2048 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2049 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2050 [[XOpenDisplay ("foo");]])],
2051 [xgnu_linux_first_failure=no],
2052 [xgnu_linux_first_failure=yes])
2053 if test "${xgnu_linux_first_failure}" = "yes"; then
2054 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2055 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2056 OLD_CPPFLAGS="$CPPFLAGS"
2058 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2059 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2060 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2061 LIBS="$LIBS -b i486-linuxaout"
2062 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2063 [[XOpenDisplay ("foo");]])],
2064 [xgnu_linux_second_failure=no],
2065 [xgnu_linux_second_failure=yes])
2066 if test "${xgnu_linux_second_failure}" = "yes"; then
2067 # If we get the same failure with -b, there is no use adding -b.
2068 # So take it out. This plays safe.
2069 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2070 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2071 CPPFLAGS="$OLD_CPPFLAGS"
2082 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2083 # header files included from there.
2084 AC_MSG_CHECKING(for Xkb)
2085 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2086 #include <X11/XKBlib.h>]],
2087 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2088 emacs_xkb=yes, emacs_xkb=no)
2089 AC_MSG_RESULT($emacs_xkb)
2090 if test $emacs_xkb = yes; then
2091 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2094 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2095 XScreenNumberOfScreen)
2098 if test "${window_system}" = "x11"; then
2099 AC_MSG_CHECKING(X11 version 6)
2100 AC_CACHE_VAL(emacs_cv_x11_version_6,
2101 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2102 [[#if XlibSpecificationRelease < 6
2105 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2106 if test $emacs_cv_x11_version_6 = yes; then
2107 AC_MSG_RESULT(6 or newer)
2108 AC_DEFINE(HAVE_X11R6, 1,
2109 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2110 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2111 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2115 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2116 [Define if you have usable X11R6-style XIM support.])
2120 AC_MSG_RESULT(before 6)
2125 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2127 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2128 if test "${with_rsvg}" != "no"; then
2129 RSVG_REQUIRED=2.11.0
2130 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2132 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2133 AC_SUBST(RSVG_CFLAGS)
2136 if test $HAVE_RSVG = yes; then
2137 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2138 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2139 LIBS="$RSVG_LIBS $LIBS"
2145 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
2146 if test "${with_imagemagick}" != "no"; then
2147 ## 6.2.8 is the earliest version known to work, but earlier versions
2148 ## might work - let us know if you find one.
2149 ## 6.0.7 does not work. See bug#7955.
2150 ## 6.8.2 makes Emacs crash; see Bug#13867.
2151 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2152 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2153 AC_SUBST(IMAGEMAGICK_CFLAGS)
2154 AC_SUBST(IMAGEMAGICK_LIBS)
2156 if test $HAVE_IMAGEMAGICK = yes; then
2157 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2158 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2159 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2160 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2168 gtk_term_header=$term_header
2171 if test "${opsys}" != "mingw32"; then
2172 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2175 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2177 dnl Checks for libraries.
2178 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2179 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2180 AC_MSG_ERROR($GTK_PKG_ERRORS)
2182 if test "$pkg_check_gtk" = "yes"; then
2183 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2184 GTK_OBJ=emacsgtkfixed.o
2185 gtk_term_header=gtkutil.h
2186 USE_GTK_TOOLKIT="GTK3"
2187 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2188 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2189 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2190 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2191 [Define to 1 to disable Glib deprecation warnings.])
2195 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2199 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2202 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2204 dnl Checks for libraries.
2205 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2206 if test "$pkg_check_gtk" = "no" &&
2207 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2209 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2211 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2215 if test x"$pkg_check_gtk" = xyes; then
2218 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2219 CFLAGS="$CFLAGS $GTK_CFLAGS"
2220 LIBS="$GTK_LIBS $LIBS"
2221 dnl Try to compile a simple GTK program.
2222 AC_MSG_CHECKING([whether GTK compiles])
2226 [[/* Check the Gtk and Glib APIs. */
2227 #include <gtk/gtk.h>
2228 #include <glib-object.h>
2230 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2234 GtkSettings *gs = 0;
2235 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2236 strict C prohibits this. Use gtk_main_iteration to test that the
2237 libraries are there. */
2238 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2239 0, 0, 0, G_CALLBACK (callback), 0))
2240 gtk_main_iteration ();
2243 AC_MSG_RESULT([$GTK_COMPILES])
2244 if test "${GTK_COMPILES}" != "yes"; then
2246 if test "$USE_X_TOOLKIT" != "maybe"; then
2247 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2251 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2252 GTK_OBJ="gtkutil.o $GTK_OBJ"
2253 term_header=$gtk_term_header
2255 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2258 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2259 closing open displays. This is no problem if you just use
2260 one display, but if you use more than one and close one of them
2270 if test "${HAVE_GTK}" = "yes"; then
2272 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2273 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2274 if test "$with_toolkit_scroll_bars" != no; then
2275 with_toolkit_scroll_bars=yes
2278 dnl Check if we have the old file selection dialog declared and
2279 dnl in the link library. In 2.x it may be in the library,
2280 dnl but not declared if deprecated featured has been selected out.
2281 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2282 HAVE_GTK_FILE_SELECTION=no
2283 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2284 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2285 #include <gtk/gtk.h>])
2286 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2287 AC_CHECK_FUNCS(gtk_file_selection_new)
2290 dnl Same as above for gtk_handle_box.
2291 HAVE_GTK_HANDLE_BOX=no
2292 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2293 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2294 #include <gtk/gtk.h>])
2295 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2296 AC_CHECK_FUNCS(gtk_handle_box_new)
2299 dnl Same as above for gtk_tearoff_menu_item.
2300 HAVE_GTK_TEAROFF_MENU_ITEM=no
2301 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2302 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2303 #include <gtk/gtk.h>])
2304 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2305 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2308 dnl Check for functions introduced in 2.14 and later.
2309 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2310 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2311 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2312 gtk_orientable_set_orientation \
2313 gtk_window_set_has_resize_grip)
2315 term_header=gtkutil.h
2318 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2319 dnl other platforms.
2322 if test "${with_dbus}" = "yes"; then
2323 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2324 if test "$HAVE_DBUS" = yes; then
2325 LIBS="$LIBS $DBUS_LIBS"
2326 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2327 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2328 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2330 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2331 dbus_type_is_valid \
2332 dbus_validate_bus_name \
2333 dbus_validate_path \
2334 dbus_validate_interface \
2335 dbus_validate_member)
2341 dnl GSettings has been tested under GNU/Linux only.
2343 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2344 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2345 if test "$HAVE_GSETTINGS" = "yes"; then
2346 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2347 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2348 SETTINGS_LIBS="$GSETTINGS_LIBS"
2352 dnl GConf has been tested under GNU/Linux only.
2353 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2355 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2356 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2357 if test "$HAVE_GCONF" = yes; then
2358 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2359 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2360 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2361 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2365 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2366 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2367 if test "$HAVE_GOBJECT" = "yes"; then
2368 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2369 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2371 SAVE_CFLAGS="$CFLAGS"
2373 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2374 LIBS="$SETTINGS_LIBS $LIBS"
2375 CFLAGS="$SAVE_CFLAGS"
2378 AC_SUBST(SETTINGS_CFLAGS)
2379 AC_SUBST(SETTINGS_LIBS)
2382 dnl SELinux is available for GNU/Linux only.
2385 if test "${with_selinux}" = "yes"; then
2386 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2387 if test "$HAVE_LIBSELINUX" = yes; then
2388 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2389 LIBSELINUX_LIBS=-lselinux
2392 AC_SUBST(LIBSELINUX_LIBS)
2396 if test "${with_gnutls}" = "yes" ; then
2397 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2398 if test "${HAVE_GNUTLS3}" = "yes"; then
2399 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2402 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2404 if test "${HAVE_GNUTLS}" = "yes"; then
2405 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2408 # Windows loads GnuTLS dynamically
2409 if test "${opsys}" = "mingw32"; then
2412 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2413 LIBS="$LIBGNUTLS_LIBS $LIBS"
2417 AC_SUBST(LIBGNUTLS_LIBS)
2418 AC_SUBST(LIBGNUTLS_CFLAGS)
2423 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2424 dnl a particular library. This doesn't make much sense?
2425 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2426 with_file_notification=no
2429 dnl MS Windows native file monitor is available for mingw32 only.
2430 case $with_file_notification,$opsys in
2431 w32,* | yes,mingw32)
2432 AC_CHECK_HEADER(windows.h)
2433 if test "$ac_cv_header_windows_h" = yes ; then
2434 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2435 NOTIFY_OBJ=w32notify.o
2436 NOTIFY_SUMMARY="yes (w32)"
2440 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2441 dnl has been added in glib 2.24. It has been tested under
2442 dnl GNU/Linux only. We take precedence over inotify, but this makes
2443 dnl only sense when glib has been compiled with inotify support. How
2445 case $with_file_notification,$NOTIFY_OBJ in
2447 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2448 if test "$HAVE_GFILENOTIFY" = "yes"; then
2449 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2450 NOTIFY_OBJ=gfilenotify.o
2451 NOTIFY_SUMMARY="yes -lgio (gfile)"
2455 dnl inotify is only available on GNU/Linux.
2456 case $with_file_notification,$NOTIFY_OBJ in
2458 AC_CHECK_HEADER(sys/inotify.h)
2459 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2460 AC_CHECK_FUNC(inotify_init1)
2461 if test "$ac_cv_func_inotify_init1" = yes; then
2462 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2463 NOTIFY_OBJ=inotify.o
2464 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2469 case $with_file_notification,$NOTIFY_OBJ in
2470 yes,* | no,* | *,?*) ;;
2471 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2474 if test -n "$NOTIFY_OBJ"; then
2475 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2477 AC_SUBST(NOTIFY_OBJ)
2478 AC_SUBST(GFILENOTIFY_CFLAGS)
2479 AC_SUBST(GFILENOTIFY_LIBS)
2481 dnl Do not put whitespace before the #include statements below.
2482 dnl Older compilers (eg sunos4 cc) choke on it.
2485 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2486 if test "$with_xaw3d" != no; then
2487 AC_CACHE_VAL(emacs_cv_xaw3d,
2488 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2489 #include <X11/Intrinsic.h>
2490 #include <X11/Xaw3d/Simple.h>]],
2492 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2493 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2494 emacs_cv_xaw3d=no)])
2498 if test $emacs_cv_xaw3d = yes; then
2499 AC_MSG_CHECKING(for xaw3d)
2500 AC_MSG_RESULT([yes; using Lucid toolkit])
2504 AC_DEFINE(HAVE_XAW3D, 1,
2505 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2507 AC_MSG_CHECKING(for xaw3d)
2509 AC_MSG_CHECKING(for libXaw)
2510 AC_CACHE_VAL(emacs_cv_xaw,
2511 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2512 #include <X11/Intrinsic.h>
2513 #include <X11/Xaw/Simple.h>]],
2517 if test $emacs_cv_xaw = yes; then
2518 AC_MSG_RESULT([yes; using Lucid toolkit])
2521 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2522 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2524 AC_MSG_ERROR([No X toolkit could be found.
2525 If you are sure you want Emacs compiled without an X toolkit, pass
2527 to configure. Otherwise, install the development libraries for the toolkit
2528 that you want to use (e.g. Gtk+) and re-run configure.])
2533 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2536 if test "${USE_X_TOOLKIT}" != "none"; then
2537 AC_MSG_CHECKING(X11 toolkit version)
2538 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2539 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2540 [[#if XtSpecificationRelease < 6
2543 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2544 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2545 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2546 AC_MSG_RESULT(6 or newer)
2547 AC_DEFINE(HAVE_X11XTR6, 1,
2548 [Define to 1 if you have the X11R6 or newer version of Xt.])
2549 LIBXTR6="-lSM -lICE"
2551 ## Use libw.a along with X11R6 Xt.
2552 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2555 AC_MSG_RESULT(before 6)
2558 dnl If using toolkit, check whether libXmu.a exists.
2559 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2561 if test x$HAVE_X11XTR6 = xyes; then
2562 LIBS="-lXt -lSM -lICE $LIBS"
2566 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2567 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2568 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2572 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2573 dnl Why not just test for libxmu in the normal way?
2576 ## These systems don't supply Xmu.
2578 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2586 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2587 if test "${HAVE_X11}" = "yes"; then
2588 if test "${USE_X_TOOLKIT}" != "none"; then
2589 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2594 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2595 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2596 if test -d /usr/include/openmotif; then
2597 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2598 emacs_cv_openmotif=yes
2599 case "$canonical" in
2600 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2601 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2604 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2607 emacs_cv_openmotif=no
2609 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2610 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2611 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2614 Motif version prior to 2.1.
2616 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2617 if test $emacs_cv_motif_version_2_1 = yes; then
2618 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2619 if test x$emacs_cv_openmotif = xyes; then
2620 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2623 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2624 # We put this in CFLAGS temporarily to precede other -I options
2625 # that might be in CFLAGS temporarily.
2626 # We put this in CPPFLAGS where it precedes the other -I options.
2627 OLD_CPPFLAGS=$CPPFLAGS
2629 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2630 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2631 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2633 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2634 if test $emacs_cv_lesstif = yes; then
2635 # Make sure this -I option remains in CPPFLAGS after it is set
2636 # back to REAL_CPPFLAGS.
2637 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2638 # have those other -I options anyway. Ultimately, having this
2639 # directory ultimately in CPPFLAGS will be enough.
2640 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2641 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2644 CPPFLAGS=$OLD_CPPFLAGS
2647 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2648 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2651 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2652 dnl using Motif or Xaw3d is available, and unless
2653 dnl --with-toolkit-scroll-bars=no was specified.
2655 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2656 [Define to 1 if we should use toolkit scroll bars.])dnl
2657 USE_TOOLKIT_SCROLL_BARS=no
2658 if test "${with_toolkit_scroll_bars}" != "no"; then
2659 if test "${USE_X_TOOLKIT}" != "none"; then
2660 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2661 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2663 USE_TOOLKIT_SCROLL_BARS=yes
2664 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2665 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2666 USE_TOOLKIT_SCROLL_BARS=yes
2668 elif test "${HAVE_GTK}" = "yes"; then
2669 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2670 USE_TOOLKIT_SCROLL_BARS=yes
2671 elif test "${HAVE_NS}" = "yes"; then
2672 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2673 USE_TOOLKIT_SCROLL_BARS=yes
2674 elif test "${HAVE_W32}" = "yes"; then
2675 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2676 USE_TOOLKIT_SCROLL_BARS=yes
2680 dnl See if XIM is available.
2681 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2682 #include <X11/Xlib.h>
2683 #include <X11/Xresource.h>]],
2684 [[XIMProc callback;]])],
2686 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2689 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2691 if test "${with_xim}" != "no"; then
2692 AC_DEFINE(USE_XIM, 1,
2693 [Define to 1 if we should use XIM, if it is available.])
2697 if test "${HAVE_XIM}" != "no"; then
2699 if test "$GCC" = yes; then
2700 CFLAGS="$CFLAGS --pedantic-errors"
2702 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2703 #include <X11/Xlib.h>
2704 #include <X11/Xresource.h>]],
2710 XPointer *client_data;
2712 /* If we're not using GCC, it's probably not XFree86, and this is
2713 probably right, but we can't use something like --pedantic-errors. */
2714 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2715 char*, XIMProc, XPointer*);
2717 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2719 [emacs_cv_arg6_star=yes])
2720 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2721 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2722 either XPointer or XPointer*.])dnl
2723 if test "$emacs_cv_arg6_star" = yes; then
2724 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2726 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2731 ### Start of font-backend (under any platform) section.
2732 # (nothing here yet -- this is a placeholder)
2733 ### End of font-backend (under any platform) section.
2735 ### Start of font-backend (under X11) section.
2736 if test "${HAVE_X11}" = "yes"; then
2737 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2739 ## Use -lXft if available, unless `--with-xft=no'.
2741 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2744 if test "x${with_xft}" != "xno"; then
2746 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2747 ## Because xftfont.c uses XRenderQueryExtension, we also
2748 ## need to link to -lXrender.
2750 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2751 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2752 OLD_CPPFLAGS="$CPPFLAGS"
2753 OLD_CFLAGS="$CFLAGS"
2755 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2756 CFLAGS="$CFLAGS $XFT_CFLAGS"
2757 XFT_LIBS="-lXrender $XFT_LIBS"
2758 LIBS="$XFT_LIBS $LIBS"
2759 AC_CHECK_HEADER(X11/Xft/Xft.h,
2760 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2761 [[#include <X11/X.h>]])
2763 if test "${HAVE_XFT}" = "yes"; then
2764 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2766 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2768 CPPFLAGS="$OLD_CPPFLAGS"
2769 CFLAGS="$OLD_CFLAGS"
2771 fi # "${HAVE_XFT}" = "yes"
2772 fi # "$HAVE_XFT" != no
2773 fi # "x${with_xft}" != "xno"
2775 ## We used to allow building with FreeType and without Xft.
2776 ## However, the ftx font backend driver is not in good shape.
2777 if test "$HAVE_XFT" != "yes"; then
2778 dnl For the "Does Emacs use" message at the end.
2782 dnl Strict linkers fail with
2783 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2784 dnl if -lfreetype is not specified.
2785 dnl The following is needed to set FREETYPE_LIBS.
2786 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2789 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2793 if test "${HAVE_FREETYPE}" = "yes"; then
2794 AC_DEFINE(HAVE_FREETYPE, 1,
2795 [Define to 1 if using the freetype and fontconfig libraries.])
2796 if test "${with_libotf}" != "no"; then
2797 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2799 if test "$HAVE_LIBOTF" = "yes"; then
2800 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2801 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2802 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2803 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2804 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2805 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2806 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2810 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2811 dnl Does the new font backend require it, or can it work without it?
2815 if test "${HAVE_LIBOTF}" = yes; then
2816 if test "${with_m17n_flt}" != "no"; then
2817 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2818 if test "$HAVE_M17N_FLT" = "yes"; then
2819 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2830 ### End of font-backend (under X11) section.
2832 AC_SUBST(FREETYPE_CFLAGS)
2833 AC_SUBST(FREETYPE_LIBS)
2834 AC_SUBST(FONTCONFIG_CFLAGS)
2835 AC_SUBST(FONTCONFIG_LIBS)
2836 AC_SUBST(LIBOTF_CFLAGS)
2837 AC_SUBST(LIBOTF_LIBS)
2838 AC_SUBST(M17N_FLT_CFLAGS)
2839 AC_SUBST(M17N_FLT_LIBS)
2841 ### Use -lXpm if available, unless `--with-xpm=no'.
2842 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2845 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2846 if test "${with_xpm}" != "no"; then
2847 SAVE_CPPFLAGS="$CPPFLAGS"
2848 SAVE_LDFLAGS="$LDFLAGS"
2849 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2850 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2851 AC_CHECK_HEADER(X11/xpm.h,
2852 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2853 if test "${HAVE_XPM}" = "yes"; then
2854 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2855 AC_EGREP_CPP(no_return_alloc_pixels,
2856 [#include "X11/xpm.h"
2857 #ifndef XpmReturnAllocPixels
2858 no_return_alloc_pixels
2860 ], HAVE_XPM=no, HAVE_XPM=yes)
2862 if test "${HAVE_XPM}" = "yes"; then
2863 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2867 CPPFLAGS="$SAVE_CPPFLAGS"
2868 LDFLAGS="$SAVE_LDFLAGS"
2873 if test "${HAVE_XPM}" = "yes"; then
2874 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2879 if test "${HAVE_X11}" = "yes"; then
2880 if test "${with_xpm}" != "no"; then
2881 AC_CHECK_HEADER(X11/xpm.h,
2882 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2883 if test "${HAVE_XPM}" = "yes"; then
2884 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2885 AC_EGREP_CPP(no_return_alloc_pixels,
2886 [#include "X11/xpm.h"
2887 #ifndef XpmReturnAllocPixels
2888 no_return_alloc_pixels
2890 ], HAVE_XPM=no, HAVE_XPM=yes)
2892 if test "${HAVE_XPM}" = "yes"; then
2900 if test "${HAVE_XPM}" = "yes"; then
2901 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2906 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2907 ### slightly different requirements wrt image libraries (it doesn't
2908 ### use -lXpm because it loads the xpm shared library dynamically at
2910 if test "${opsys}" = "mingw32"; then
2911 if test "${with_xpm}" != "no"; then
2912 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2916 if test "${HAVE_XPM}" = "yes"; then
2917 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2923 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2924 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2927 if test "${opsys}" = "mingw32"; then
2928 if test "${with_jpeg}" != "no"; then
2929 dnl Checking for jpeglib.h can lose because of a redefinition of
2931 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2933 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2934 if test "${HAVE_JPEG}" = "yes"; then
2935 AC_DEFINE(HAVE_JPEG)
2936 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2937 [#include <jpeglib.h>
2938 version=JPEG_LIB_VERSION
2940 [AC_DEFINE(HAVE_JPEG)],
2941 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2944 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2945 if test "${with_jpeg}" != "no"; then
2946 dnl Checking for jpeglib.h can lose because of a redefinition of
2948 AC_CHECK_HEADER(jerror.h,
2949 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2952 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2953 if test "${HAVE_JPEG}" = "yes"; then
2954 AC_DEFINE(HAVE_JPEG)
2955 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2956 [#include <jpeglib.h>
2957 version=JPEG_LIB_VERSION
2959 [AC_DEFINE(HAVE_JPEG)],
2960 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2963 if test "${HAVE_JPEG}" = "yes"; then
2969 ### Use -lpng if available, unless `--with-png=no'.
2970 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
2973 if test "${opsys}" = "mingw32"; then
2974 if test "${with_png}" != "no"; then
2975 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
2977 if test "${HAVE_PNG}" = "yes"; then
2978 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2980 AC_CHECK_DECL(png_longjmp,
2982 [AC_DEFINE(PNG_DEPSTRUCT, [],
2983 [Define to empty to suppress deprecation warnings when building
2984 with --enable-gcc-warnings and with libpng versions before 1.5,
2985 which lack png_longjmp.])],
2986 [[#ifdef HAVE_LIBPNG_PNG_H
2987 # include <libpng/png.h>
2993 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2994 if test "${with_png}" != "no"; then
2995 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2996 # in /usr/include/libpng.
2997 AC_CHECK_HEADERS(png.h libpng/png.h, break)
2998 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2999 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3003 if test "${HAVE_PNG}" = "yes"; then
3004 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3005 LIBPNG="-lpng -lz -lm"
3007 AC_CHECK_DECL(png_longjmp,
3009 [AC_DEFINE(PNG_DEPSTRUCT, [],
3010 [Define to empty to suppress deprecation warnings when building
3011 with --enable-gcc-warnings and with libpng versions before 1.5,
3012 which lack png_longjmp.])],
3013 [[#ifdef HAVE_LIBPNG_PNG_H
3014 # include <libpng/png.h>
3025 if test "${with_zlib}" != "no"; then
3027 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3029 case $ac_cv_search_inflateEnd in
3030 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3033 if test "${HAVE_ZLIB}" = "yes"; then
3034 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3035 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3036 if test "${opsys}" = "mingw32"; then
3043 ### Use -ltiff if available, unless `--with-tiff=no'.
3044 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3047 if test "${opsys}" = "mingw32"; then
3048 if test "${with_tiff}" != "no"; then
3049 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3051 if test "${HAVE_TIFF}" = "yes"; then
3052 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3054 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3055 if test "${with_tiff}" != "no"; then
3056 AC_CHECK_HEADER(tiffio.h,
3058 # At least one tiff package requires the jpeg library.
3059 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3060 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3063 if test "${HAVE_TIFF}" = "yes"; then
3064 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3065 dnl FIXME -lz -lm, as per libpng?
3071 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3072 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3075 if test "${opsys}" = "mingw32"; then
3076 if test "${with_gif}" != "no"; then
3077 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3079 if test "${HAVE_GIF}" = "yes"; then
3080 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3082 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3083 || test "${HAVE_W32}" = "yes"; then
3084 AC_CHECK_HEADER(gif_lib.h,
3085 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3086 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3087 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3088 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3090 if test "$HAVE_GIF" = yes; then
3092 elif test "$HAVE_GIF" = maybe; then
3093 # If gif_lib.h but no libgif, try libungif.
3094 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3095 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3098 if test "${HAVE_GIF}" = "yes"; then
3099 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3104 dnl Check for required libraries.
3105 if test "${HAVE_X11}" = "yes"; then
3108 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3109 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3110 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3111 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3112 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3113 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3114 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3115 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3116 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3117 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3119 if test "X${MISSING}" != X; then
3120 AC_MSG_ERROR([The following required libraries were not found:
3122 Maybe some development libraries/packages are missing?
3123 If you don't want to link with them give
3125 as options to configure])
3129 ### Use -lgpm if available, unless `--with-gpm=no'.
3132 if test "${with_gpm}" != "no"; then
3133 AC_CHECK_HEADER(gpm.h,
3134 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3136 if test "${HAVE_GPM}" = "yes"; then
3137 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3143 dnl Check for malloc/malloc.h on darwin
3144 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3147 ### Use NeXTstep API to implement GUI.
3148 if test "${HAVE_NS}" = "yes"; then
3149 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3150 if test "${NS_IMPL_COCOA}" = "yes"; then
3151 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3153 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3154 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3155 # See also .m.o rule in Makefile.in */
3156 # FIXME: are all these flags really needed? Document here why. */
3157 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3158 ## Extra CFLAGS applied to src/*.m files.
3159 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3164 ### Use session management (-lSM -lICE) if available
3167 if test "${HAVE_X11}" = "yes"; then
3168 AC_CHECK_HEADER(X11/SM/SMlib.h,
3169 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3171 if test "${HAVE_X_SM}" = "yes"; then
3172 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3176 *) LIBS="$LIBXSM $LIBS" ;;
3182 ### Use XRandr (-lXrandr) if available
3184 if test "${HAVE_X11}" = "yes"; then
3185 XRANDR_REQUIRED=1.2.2
3186 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3187 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3188 if test $HAVE_XRANDR = no; then
3189 # Test old way in case pkg-config doesn't have it (older machines).
3190 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3191 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3192 if test $HAVE_XRANDR = yes; then
3193 XRANDR_LIBS=-lXrandr
3194 AC_SUBST(XRANDR_LIBS)
3197 if test $HAVE_XRANDR = yes; then
3198 SAVE_CFLAGS="$CFLAGS"
3200 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3201 LIBS="$XRANDR_LIBS $LIBS"
3202 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3203 CFLAGS="$SAVE_CFLAGS"
3206 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3210 ### Use Xinerama (-lXinerama) if available
3212 if test "${HAVE_X11}" = "yes"; then
3213 XINERAMA_REQUIRED=1.0.2
3214 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3215 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3217 if test $HAVE_XINERAMA = no; then
3218 # Test old way in case pkg-config doesn't have it (older machines).
3219 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3220 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3221 if test $HAVE_XINERAMA = yes; then
3222 XINERAMA_LIBS=-lXinerama
3223 AC_SUBST(XINERAMA_LIBS)
3226 if test $HAVE_XINERAMA = yes; then
3227 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3232 ### Use libxml (-lxml2) if available
3233 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3235 if test "${with_xml2}" != "no"; then
3236 ### I'm not sure what the version number should be, so I just guessed.
3237 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3238 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3239 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3240 SAVE_CPPFLAGS="$CPPFLAGS"
3241 CPPFLAGS="$CPPFLAGS -I/usr/include/libxml2"
3242 AC_CHECK_HEADER(libxml/HTMLparser.h,
3243 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3244 [#include <libxml/HTMLparser.h>])])
3245 CPPFLAGS="$SAVE_CPPFLAGS"
3246 if test "${HAVE_LIBXML2}" = "yes"; then
3247 LIBXML2_LIBS="-lxml2"
3248 LIBXML2_CFLAGS="-I/usr/include/libxml2"
3251 if test "${HAVE_LIBXML2}" = "yes"; then
3252 if test "${opsys}" != "mingw32"; then
3253 LIBS="$LIBXML2_LIBS $LIBS"
3254 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3258 if test "${HAVE_LIBXML2}" = "yes"; then
3259 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3266 AC_SUBST(LIBXML2_LIBS)
3267 AC_SUBST(LIBXML2_CFLAGS)
3269 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3270 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3271 if test "${opsys}" = "mingw32"; then
3272 emacs_cv_netdb_declares_h_errno=yes
3274 AC_CACHE_CHECK(whether netdb declares h_errno,
3275 emacs_cv_netdb_declares_h_errno,
3276 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3277 [[return h_errno;]])],
3278 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3279 if test $emacs_cv_netdb_declares_h_errno = yes; then
3280 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3283 # sqrt and other floating-point functions such as fmod and frexp
3284 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3285 if test "${opsys}" != "mingw32"; then
3286 AC_CHECK_LIB(m, sqrt)
3289 # Check for mail-locking functions in a "mail" library. Probably this should
3290 # have the same check as for liblockfile below.
3291 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3292 if test $have_mail = yes; then
3294 LIBS="$LIBS_MAIL $LIBS"
3295 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3299 dnl Debian, at least:
3300 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3301 if test $have_lockfile = yes; then
3302 LIBS_MAIL=-llockfile
3303 LIBS="$LIBS_MAIL $LIBS"
3304 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3306 # If we have the shared liblockfile, assume we must use it for mail
3307 # locking (e.g. Debian). If we couldn't link against liblockfile
3308 # (no liblockfile.a installed), ensure that we don't need to.
3309 dnl This works for files generally, not just executables.
3310 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3311 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3312 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3313 if test $ac_cv_prog_liblockfile = yes; then
3314 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3315 This probably means that movemail could lose mail.
3316 There may be a `development' package to install containing liblockfile.])
3319 AC_CHECK_HEADERS_ONCE(maillock.h)
3322 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3323 ## interlock access to the mail spool. The alternative is a lock file named
3324 ## /usr/spool/mail/$USER.lock.
3327 aix4-2) mail_lock="lockf" ;;
3329 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3331 ## On GNU/Linux systems, both methods are used by various mail programs.
3332 ## I assume most people are using newer mailers that have heard of flock.
3333 ## Change this if you need to.
3334 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3335 ## configure gets the right answers, and that means *NOT* using flock.
3336 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3337 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3338 ## Debian maintainer hasn't provided a clean fix for Emacs.
3339 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3340 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3341 ## correct logic. -- fx
3342 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3343 ## liblockfile is a Free Software replacement for libmail, used on
3344 ## Debian systems and elsewhere. -rfr.
3347 if test $have_mail = yes || test $have_lockfile = yes; then
3348 test $ac_cv_header_maillock_h = yes && mail_lock=no
3353 mail_lock="none-needed" ;;
3357 case "$mail_lock" in
3358 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3360 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3364 *) BLESSMAIL_TARGET="need-blessmail" ;;
3366 AC_SUBST(BLESSMAIL_TARGET)
3369 AC_CHECK_FUNCS(accept4 gethostname \
3370 getrusage get_current_dir_name \
3372 select getpagesize setlocale \
3373 getrlimit setrlimit shutdown getaddrinfo \
3374 strsignal setitimer \
3375 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3376 gai_strerror getline getdelim sync \
3378 getpwent endpwent getgrent endgrent \
3380 cfmakeraw cfsetspeed copysign __executable_start log2)
3382 dnl No need to check for aligned_alloc and posix_memalign if using
3383 dnl gmalloc.o, as it supplies them. Don't use these functions on
3384 dnl Darwin as they are incompatible with unexmacosx.c.
3385 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3386 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3389 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3390 ## has a broken `rint' in some library versions including math library
3391 ## version number A.09.05.
3392 ## You can fix the math library by installing patch number PHSS_4630.
3393 ## But we can fix it more reliably for Emacs by just not using rint.
3394 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3397 *) AC_CHECK_FUNCS(random rint) ;;
3400 dnl Cannot use AC_CHECK_FUNCS
3401 AC_CACHE_CHECK([for __builtin_unwind_init],
3402 emacs_cv_func___builtin_unwind_init,
3403 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3404 emacs_cv_func___builtin_unwind_init=yes,
3405 emacs_cv_func___builtin_unwind_init=no)])
3406 if test $emacs_cv_func___builtin_unwind_init = yes; then
3407 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3408 [Define to 1 if you have the `__builtin_unwind_init' function.])
3411 AC_CHECK_HEADERS_ONCE(sys/un.h)
3416 AC_CHECK_FUNCS(grantpt)
3418 # PTY-related GNU extensions.
3419 AC_CHECK_FUNCS(getpt posix_openpt)
3421 # Check this now, so that we will NOT find the above functions in ncurses.
3422 # That is because we have not set up to link ncurses in lib-src.
3423 # It's better to believe a function is not available
3424 # than to expect to find it in ncurses.
3425 # Also we need tputs and friends to be able to build at all.
3426 AC_MSG_CHECKING([for library containing tputs])
3427 # Run a test program that contains a call to tputs, a call that is
3428 # never executed. This tests whether a pre-'main' dynamic linker
3429 # works with the library. It's too much trouble to actually call
3430 # tputs in the test program, due to portability hassles. When
3431 # cross-compiling, assume the test program will run if it links.
3432 AC_DEFUN([tputs_link_source], [
3434 [[extern void tputs (const char *, int, int (*)(int));
3435 int main (int argc, char **argv)
3438 tputs (argv[0], 0, 0);
3442 if test "${opsys}" = "mingw32"; then
3445 # Maybe curses should be tried earlier?
3446 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3447 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3449 if test -z "$tputs_library"; then
3453 LIBS_TERMCAP=-l$tputs_library
3455 LIBS="$LIBS_TERMCAP $LIBS"
3457 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3458 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3460 if test "X$msg" != Xno; then
3465 AC_MSG_RESULT([$msg])
3466 if test "X$msg" = Xno; then
3467 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3468 The following libraries were tried (in order):
3469 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3470 Please try installing whichever of these libraries is most appropriate
3471 for your system, together with its header files.
3472 For example, a libncurses-dev(el) or similar package.])
3475 ## Use termcap instead of terminfo?
3476 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3478 ## FIXME? In the cases below where we unconditionally set
3479 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3480 ## if that was found above to have tputs.
3481 ## Should we use the gnu* logic everywhere?
3483 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3484 ## The ncurses library has been moved out of the System framework in
3485 ## Mac OS X 10.2. So if configure detects it, set the command-line
3486 ## option to use it.
3487 darwin) LIBS_TERMCAP="-lncurses" ;;
3489 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3492 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3493 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3494 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3495 [[#if __FreeBSD_version < 400000
3498 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3500 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3502 if test $emacs_cv_freebsd_terminfo = yes; then
3503 LIBS_TERMCAP="-lncurses"
3506 LIBS_TERMCAP="-ltermcap"
3516 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3518 LIBS_TERMCAP="-ltermcap"
3522 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3524 ## hpux: Make sure we get select from libc rather than from libcurses
3525 ## because libcurses on HPUX 10.10 has a broken version of select.
3526 ## We used to use -lc -lcurses, but this may be cleaner.
3527 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3528 # set that way, now it uses the default). Isn't this a contradiction?
3529 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3533 TERMCAP_OBJ=tparam.o
3534 if test $TERMINFO = yes; then
3535 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3536 TERMCAP_OBJ=terminfo.o
3538 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3539 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3541 AC_SUBST(LIBS_TERMCAP)
3542 AC_SUBST(TERMCAP_OBJ)
3545 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3546 # On Darwin, res_init appears not to be useful: see bug#562 and
3547 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3550 if test $opsys != darwin; then
3552 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3553 #include <arpa/nameser.h>
3554 #include <resolv.h>]],
3555 [[return res_init();]])],
3556 have_res_init=yes, have_res_init=no)
3557 if test "$have_res_init" = no; then
3559 LIBS="$LIBS -lresolv"
3560 AC_MSG_CHECKING(for res_init with -lresolv)
3561 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3562 #include <arpa/nameser.h>
3563 #include <resolv.h>]],
3564 [[return res_init();]])],
3565 have_res_init=yes, have_res_init=no)
3566 AC_MSG_RESULT($have_res_init)
3567 if test "$have_res_init" = yes ; then
3573 if test "$have_res_init" = yes; then
3574 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3578 # Do we need the Hesiod library to provide the support routines?
3579 dnl FIXME? Should we be skipping this on Darwin too?
3581 if test "$with_hesiod" != no ; then
3582 # Don't set $LIBS here -- see comments above. FIXME which comments?
3583 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3584 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3585 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3586 if test "$resolv" = yes ; then
3591 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3592 hesiod=yes, :, $RESOLVLIB)])
3594 if test x"$hesiod" = xyes; then
3600 # Do we need libresolv (due to res_init or Hesiod)?
3601 if test "$resolv" = yes && test $opsys != darwin; then
3608 # These tell us which Kerberos-related libraries to use.
3615 if test "${with_kerberos}" != no; then
3616 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3617 if test $have_com_err = yes; then
3618 COM_ERRLIB=-lcom_err
3619 LIBS="$COM_ERRLIB $LIBS"
3621 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3622 if test $have_crypto = yes; then
3624 LIBS="$CRYPTOLIB $LIBS"
3626 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3627 if test $have_k5crypto = yes; then
3628 CRYPTOLIB=-lk5crypto
3629 LIBS="$CRYPTOLIB $LIBS"
3631 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3632 if test $have_krb5=yes; then
3634 LIBS="$KRB5LIB $LIBS"
3636 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3637 if test "${with_kerberos5}" = no; then
3638 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3639 if test $have_des425 = yes; then
3641 LIBS="$DESLIB $LIBS"
3643 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3644 if test $have_des = yes; then
3646 LIBS="$DESLIB $LIBS"
3649 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3650 if test $have_krb4 = yes; then
3652 LIBS="$KRB4LIB $LIBS"
3654 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3655 if test $have_krb = yes; then
3657 LIBS="$KRB4LIB $LIBS"
3662 if test "${with_kerberos5}" != no; then
3663 AC_CHECK_HEADERS(krb5.h,
3664 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3665 [#include <krb5.h>])])
3667 AC_CHECK_HEADERS(krb.h,,
3668 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3669 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3671 AC_CHECK_HEADERS(com_err.h)
3674 AC_SUBST(COM_ERRLIB)
3680 AC_CHECK_HEADERS(valgrind/valgrind.h)
3682 AC_CHECK_FUNCS_ONCE(tzset)
3683 AC_MSG_CHECKING(whether localtime caches TZ)
3684 AC_CACHE_VAL(emacs_cv_localtime_cache,
3685 [if test x$ac_cv_func_tzset = xyes; then
3686 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3687 char TZ_GMT0[] = "TZ=GMT0";
3688 char TZ_PST8[] = "TZ=PST8";
3691 time_t now = time ((time_t *) 0);
3692 int hour_GMT0, hour_unset;
3693 if (putenv (TZ_GMT0) != 0)
3695 hour_GMT0 = localtime (&now)->tm_hour;
3697 hour_unset = localtime (&now)->tm_hour;
3698 if (putenv (TZ_PST8) != 0)
3700 if (localtime (&now)->tm_hour == hour_GMT0)
3703 if (localtime (&now)->tm_hour != hour_unset)
3706 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3707 [# If we have tzset, assume the worst when cross-compiling.
3708 emacs_cv_localtime_cache=yes])
3710 # If we lack tzset, report that localtime does not cache TZ,
3711 # since we can't invalidate the cache if we don't have tzset.
3712 emacs_cv_localtime_cache=no
3714 AC_MSG_RESULT($emacs_cv_localtime_cache)
3715 if test $emacs_cv_localtime_cache = yes; then
3716 AC_DEFINE(LOCALTIME_CACHE, 1,
3717 [Define to 1 if localtime caches TZ.])
3721 AC_CHECK_FUNC(socket, , ok_so_far=no)
3722 if test $ok_so_far = yes; then
3723 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3725 if test $ok_so_far = yes; then
3726 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3728 if test $ok_so_far = yes; then
3729 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3730 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3731 [Define to 1 if you have inet sockets.])
3734 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3735 dnl This can be removed once we assume Autoconf 2.70.
3737 *-solaris2.4 | *-solaris2.4.*)
3738 dnl Disable the Autoconf-generated vfork test.
3739 : ${ac_cv_func_vfork_works=no};;
3744 AC_CHECK_FUNCS(snprintf)
3746 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3749 AC_MSG_CHECKING([whether GLib is linked in])
3750 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3753 [[g_print ("Hello world");]])],
3756 AC_MSG_RESULT([$links_glib])
3757 if test "${links_glib}" = "yes"; then
3758 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3759 if test "$HAVE_NS" = no;then
3765 dnl Adapted from Haible's version.
3766 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3767 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3768 [[char* cs = nl_langinfo(CODESET);]])],
3769 emacs_cv_langinfo_codeset=yes,
3770 emacs_cv_langinfo_codeset=no)
3772 if test $emacs_cv_langinfo_codeset = yes; then
3773 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3774 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3779 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3780 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3781 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3782 if test "$emacs_cv_c_restrict_arr" = yes; then
3783 AC_DEFINE(__restrict_arr, __restrict,
3784 [Define to compiler's equivalent of C99 restrict keyword in array
3785 declarations. Define as empty for no equivalent.])
3788 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3789 dnl how the tty code is related to POSIX and/or other versions of termios.
3790 dnl The following looks like a useful start.
3792 dnl AC_SYS_POSIX_TERMIOS
3793 dnl if test $ac_cv_sys_posix_termios = yes; then
3794 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3795 dnl and macros for terminal control.])
3796 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3799 dnl Turned on June 1996 supposing nobody will mind it.
3800 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3801 if test "${opsys}" != "mingw32"; then
3802 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3803 in the full name stands for the login id.])
3806 dnl Every platform that uses configure supports this.
3807 dnl There is a create-lockfiles option you can
3808 dnl customize if you do not want the lock files to be written.
3809 dnl So it is not clear that this #define still needs to exist.
3810 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3811 so that Emacs can tell instantly when you try to modify a file that
3812 someone else has modified in his/her Emacs.])
3814 dnl Everybody supports this, except MS.
3815 dnl Seems like the kind of thing we should be testing for, though.
3816 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3817 if test "${opsys}" != "mingw32"; then
3818 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3821 dnl Everybody supports this, except MS-DOS.
3822 dnl Seems like the kind of thing we should be testing for, though.
3823 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3824 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3825 4.2-compatible sockets.])
3827 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3829 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3830 a null file, or a data sink.])
3831 if test "${opsys}" = "mingw32"; then
3832 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3834 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3837 if test "${opsys}" = "mingw32"; then
3842 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3843 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3844 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3845 dnl decides that a command-line argument to be passed to a MinGW program
3846 dnl is a PATH-style list of directories. But that heuristics plays it
3847 dnl safe, and only does the replacement when it is _absolutely_ sure it
3848 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3849 dnl which breaks in-tree builds. So we do this manually instead.
3850 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3851 dnl be computed as ':' in MSYS Bash.
3854 dnl Everybody supports this, except MS-DOS.
3855 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3857 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3860 AC_DEFINE(DIRECTORY_SEP, ['/'],
3861 [Character that separates directories in a file name.])
3863 if test "${opsys}" = "mingw32"; then
3864 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3865 [Returns true if character is a device separator.])
3867 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3868 [Returns true if character is a directory separator.])
3870 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3871 [Returns true if character is any form of separator.])
3873 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3874 [Returns true if character is a device separator.])
3876 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3877 [Returns true if character is a directory separator.])
3879 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3880 [Returns true if character is any form of separator.])
3883 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3887 dnl Unfortunately without libXmu we cannot support EditRes.
3888 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3889 AC_DEFINE(NO_EDITRES, 1)
3894 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3895 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3896 AC_DEFINE(NO_EDITRES, 1)
3902 irix6-5 | sol2* | unixware )
3903 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3904 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3905 dnl need the constant to dimension an array. So wire in the appropriate
3907 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3911 emacs_broken_SIGIO=no
3914 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3915 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3916 hpux* | irix6-5 | openbsd | sol2* | unixware )
3917 emacs_broken_SIGIO=yes
3921 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3922 dnl the way this system works, libc functions that return malloced
3923 dnl memory use the libc malloc implementation. Calling xfree or
3924 dnl xrealloc on the results of such functions results in a crash.
3926 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3927 dnl but that does not currently work on this system.
3929 dnl It is possible to completely override the malloc implementation on
3930 dnl AIX, but that involves putting the malloc functions in a shared
3931 dnl library and setting the MALLOCTYPE environment variable to point to
3932 dnl that shared library.
3934 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3935 dnl to avoid a crash just use the Emacs implementation for that function.
3937 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3938 dnl of this file, so that we do not check for get_current_dir_name
3939 dnl on AIX. But that might be fragile if something else ends
3940 dnl up testing for get_current_dir_name as a dependency.
3941 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3942 get_current_dir_name should not be used.])
3946 dnl Circumvent a bug in FreeBSD. In the following sequence of
3947 dnl writes/reads on a PTY, read(2) returns bogus data:
3949 dnl write(2) 1022 bytes
3950 dnl write(2) 954 bytes, get EAGAIN
3951 dnl read(2) 1024 bytes in process_read_output
3952 dnl read(2) 11 bytes in process_read_output
3954 dnl That is, read(2) returns more bytes than have ever been written
3955 dnl successfully. The 1033 bytes read are the 1022 bytes written
3956 dnl successfully after processing (for example with CRs added if the
3957 dnl terminal is set up that way which it is here). The same bytes will
3958 dnl be seen again in a later read(2), without the CRs.
3959 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3960 work around an issue when reading from a PTY.])
3966 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3967 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3972 darwin | dragonfly | freebsd | netbsd | openbsd )
3973 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3974 close a pty to make it a controlling terminal (it is already a
3975 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3979 dnl FIXME Surely we can test for this rather than hard-code it.
3981 netbsd | openbsd) sound_device="/dev/audio" ;;
3982 *) sound_device="/dev/dsp" ;;
3986 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3987 [Name of the default sound device.])
3990 dnl Emacs can read input using SIGIO and buffering characters itself,
3991 dnl or using CBREAK mode and making C-g cause SIGINT.
3992 dnl The choice is controlled by the variable interrupt_input.
3994 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
3996 dnl Emacs uses the presence of the USABLE_SIGIO macro
3997 dnl to indicate whether or not signal-driven I/O is possible. It uses
3998 dnl INTERRUPT_INPUT to decide whether to use it by default.
4000 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4001 dnl CBREAK mode has two disadvantages
4002 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4003 dnl I hear that in system V this problem does not exist.
4004 dnl 2) Control-G causes output to be discarded.
4005 dnl I do not know whether this can be fixed in system V.
4007 dnl Another method of doing input is planned but not implemented.
4008 dnl It would have Emacs fork off a separate process
4009 dnl to read the input and send it to the true Emacs process
4012 darwin | gnu-linux | gnu-kfreebsd )
4013 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4018 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4019 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4020 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4021 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4022 dnl taking float or double parameters.
4024 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4025 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4026 file defines `NeedWidePrototypes' as `NO'.])
4031 dnl Used in process.c, this must be a loop, even if it only runs once.
4032 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4033 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4034 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4035 dnl trying suffixes 0-16.
4036 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4037 first PTY, if PTYs are supported.])
4038 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4039 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4040 end of a PTY, if non-standard.])
4041 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4042 end of a PTY, if non-standard.])
4046 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4047 dnl You allocate a pty by opening /dev/ptc to get the master side.
4048 dnl To get the name of the slave side, you just ttyname() the master side.
4049 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4050 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4054 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4055 dnl multi-line AC_DEFINEs are hard. :(
4056 AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (0)])
4057 AC_DEFINE(PTY_NAME_SPRINTF, [])
4058 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4061 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4063 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4064 dnl Not used, because PTY_ITERATION is defined.
4065 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4066 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4067 dnl But we don't have to block SIGCHLD because it is blocked in the
4068 dnl implementation of grantpt.
4069 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
4070 AC_DEFINE(PTY_NAME_SPRINTF, [])
4071 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4075 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4078 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4080 if test "x$ac_cv_func_grantpt" = xyes; then
4081 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4082 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4083 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4084 dnl to prevent sigchld_handler from intercepting the child's death.
4085 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); }])
4086 dnl if HAVE_POSIX_OPENPT
4087 if test "x$ac_cv_func_posix_openpt" = xyes; then
4088 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (0)])
4089 AC_DEFINE(PTY_NAME_SPRINTF, [])
4091 elif test "x$ac_cv_func_getpt" = xyes; then
4092 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4093 AC_DEFINE(PTY_NAME_SPRINTF, [])
4095 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4098 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4103 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4104 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4105 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4109 dnl It looks like this cannot be right, because it is not a loop.
4110 dnl However, process.c actually does this:
4116 dnl which presumably makes it OK, since irix == sgi (?).
4117 dnl FIXME it seems like this special treatment is unnecessary?
4118 dnl Why can't irix use a single-trip loop like eg cygwin?
4119 AC_DEFINE(PTY_ITERATION, [])
4120 dnl Not used, because PTY_ITERATION is defined.
4121 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4122 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); }])
4123 dnl No need to get the pty name at all.
4124 AC_DEFINE(PTY_NAME_SPRINTF, [])
4125 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4126 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4130 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4131 dnl from intercepting that death. If any child but grantpt's should die
4132 dnl within, it should be caught after sigrelse(2).
4133 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); }])
4137 dnl Comments are as per sol2*.
4138 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); }])
4145 dnl This change means that we don't loop through allocate_pty too
4146 dnl many times in the (rare) event of a failure.
4147 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4148 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4149 dnl Push various streams modules onto a PTY channel. Used in process.c.
4150 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.])
4155 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4156 "typing" a signal character on the pty.])
4159 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4160 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4161 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4162 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4165 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4166 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4167 gnu-linux | gnu-kfreebsd )
4169 AC_MSG_CHECKING([for signals via characters])
4170 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4171 #include <linux/version.h>
4172 #if LINUX_VERSION_CODE < 0x20400
4173 # error "Linux version too old"
4175 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4177 AC_MSG_RESULT([$emacs_signals_via_chars])
4178 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4183 dnl Used in lisp.h, emacs.c, vm-limit.c
4184 dnl NEWS.18 describes this as "a number which contains
4185 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4186 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4187 stored in a Lisp_Object.])
4188 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4192 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4193 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4196 dnl The data segment on this machine always starts at address 0x40000000.
4197 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4200 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4205 AH_TEMPLATE(TAB3, [Undocumented.])
4208 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4210 gnu | dragonfly | freebsd | netbsd | openbsd )
4211 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4212 AC_DEFINE(TAB3, OXTABS)
4215 gnu-linux | gnu-kfreebsd )
4216 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4220 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4221 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (0)],
4222 [Mark a secondary stack, like the register stack on the ia64.]), [])
4226 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4227 run_time_remap; for HPUX.])
4232 dnl This won't be used automatically yet. We also need to know, at least,
4233 dnl that the stack is continuous.
4234 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4235 registers relevant for conservative garbage collection in the jmp_buf.])
4239 dnl Not all the architectures are tested, but there are Debian packages
4240 dnl for SCM and/or Guile on them, so the technique must work. See also
4241 dnl comments in alloc.c concerning setjmp and gcc.
4242 dnl Fixme: it's probably safe to just use the GCC conditional below.
4243 gnu-linux | gnu-kfreebsd )
4244 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4245 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4246 || defined __alpha__ || defined __mips__ || defined __s390__ \
4247 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4248 || defined __ia64__ || defined __sh__
4251 # error "setjmp not known to work on this arch"
4253 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4258 if test x$GCC = xyes; then
4259 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4260 AC_DEFINE(GC_SETJMP_WORKS, 1)
4263 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4264 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4265 AC_DEFINE(GC_SETJMP_WORKS, 1)
4270 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4271 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4274 [[#include <setjmp.h>
4276 # define _longjmp longjmp
4281 _longjmp (j, 1);]])],
4282 [emacs_cv_func__setjmp=yes],
4283 [emacs_cv_func__setjmp=no])])
4284 if test $emacs_cv_func__setjmp = yes; then
4285 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4287 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4290 [[#include <setjmp.h>
4293 if (! sigsetjmp (j, 1))
4294 siglongjmp (j, 1);]])],
4295 [emacs_cv_func_sigsetjmp=yes],
4296 [emacs_cv_func_sigsetjmp=no])])
4297 if test $emacs_cv_func_sigsetjmp = yes; then
4298 AC_DEFINE([HAVE_SIGSETJMP], 1,
4299 [Define to 1 if sigsetjmp and siglongjmp work.
4300 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4306 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4307 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4308 dnl and this is all we need.
4309 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4316 dnl Used in xfaces.c.
4317 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4318 some systems, where it requires time.h.])
4323 dnl Define symbols to identify the version of Unix this is.
4324 dnl Define all the symbols that apply correctly.
4325 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4326 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4327 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4328 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4333 dnl This symbol should be defined on AIX Version 3 ???????
4334 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4336 # error "_AIX not defined"
4338 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4342 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4346 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4347 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4348 dnl distinguish OS X from pure Darwin.
4349 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4352 gnu-linux | gnu-kfreebsd )
4354 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4359 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4364 AC_DEFINE(USG5_4, [])
4365 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4369 AC_DEFINE(DOS_NT, [])
4370 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4371 if test "x$ac_enable_checking" != "x" ; then
4372 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4378 AC_DEFINE(USG5_4, [])
4379 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4384 AC_DEFINE(USG5_4, [])
4388 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4391 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4392 emacs_cv_usable_FIONREAD=no
4396 emacs_cv_usable_FIONREAD=yes
4401 [AC_LANG_PROGRAM([[#include <sys/types.h>
4402 #include <sys/ioctl.h>
4404 # include <sys/filio.h>
4407 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4408 [emacs_cv_usable_FIONREAD=yes],
4409 [emacs_cv_usable_FIONREAD=no])
4412 if test $emacs_cv_usable_FIONREAD = yes; then
4413 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4415 if test $emacs_broken_SIGIO = no; then
4416 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4418 [AC_LANG_PROGRAM([[#include <fcntl.h>
4421 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4422 [emacs_cv_usable_SIGIO=yes],
4423 [emacs_cv_usable_SIGIO=no])],
4424 [emacs_cv_usable_SIGIO=yes],
4425 [emacs_cv_usable_SIGIO=no])
4426 if test $emacs_cv_usable_SIGIO = yes; then
4427 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4434 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4435 dnl and on Cygwin prior to version 1.7.24 that becomes the
4436 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4437 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4438 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4439 dnl needed starting with cygwin-1.7.24, and it is no longer
4440 dnl effective starting with glib-2.36. */
4442 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4443 G_SLICE environment variable to "always-malloc" at startup.])
4447 dnl It works to open the pty's tty in the parent (Emacs), then
4448 dnl close and reopen it in the child.
4449 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4450 works to open a pty's tty in the parent process, then close and
4451 reopen it in the child.])
4455 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4456 use VSUSP instead of VSWTCH.])
4460 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4465 # Set up the CFLAGS for real compilation, so we can substitute it.
4466 CFLAGS="$REAL_CFLAGS"
4467 CPPFLAGS="$REAL_CPPFLAGS"
4469 ## Hack to detect a buggy GCC version.
4470 if test "x$GCC" = xyes \
4471 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4472 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4473 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4474 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4477 version=$PACKAGE_VERSION
4479 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4480 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4481 [Short copyright string for this version of Emacs.])
4484 ### Specify what sort of things we'll be editing into Makefile and config.h.
4485 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4487 AC_SUBST(configuration)
4492 AC_SUBST(exec_prefix)
4495 AC_SUBST(sharedstatedir)
4496 AC_SUBST(libexecdir)
4500 AC_SUBST(standardlisppath)
4501 AC_SUBST(locallisppath)
4503 AC_SUBST(x_default_search_path)
4505 AC_SUBST(archlibdir)
4510 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4511 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4512 ## end of LIBX_BASE, but nothing ever set it.
4513 AC_SUBST(LD_SWITCH_X_SITE)
4514 AC_SUBST(C_SWITCH_X_SITE)
4515 AC_SUBST(GNUSTEP_CFLAGS)
4517 ## Used in lwlib/Makefile.in.
4518 AC_SUBST(X_TOOLKIT_TYPE)
4520 AC_SUBST(ns_appbindir)
4521 AC_SUBST(ns_appresdir)
4523 AC_SUBST(GNU_OBJC_CFLAGS)
4524 AC_SUBST(OTHER_FILES)
4526 if test -n "${term_header}"; then
4527 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4528 [Define to the header for the built-in window system.])
4531 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4532 [Define to the canonical Emacs configuration name.])
4533 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4534 [Define to the options passed to configure.])
4535 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4536 define this to include extra configuration information.])
4540 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4547 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4548 AC_DEFINE(HAVE_X_WINDOWS, 1,
4549 [Define to 1 if you want to use the X window system.])
4551 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4553 if test "$HAVE_XFT" = "yes"; then
4554 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4555 elif test "$HAVE_FREETYPE" = "yes"; then
4556 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4566 if test "${USE_X_TOOLKIT}" != "none" ; then
4568 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4569 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4570 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4571 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4572 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4576 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4577 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4581 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4582 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4583 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4587 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4588 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4591 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4594 AC_SUBST(WIDGET_OBJ)
4597 case "$USE_X_TOOLKIT" in
4598 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4599 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4600 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4602 AC_SUBST(TOOLKIT_LIBW)
4604 if test "${opsys}" != "mingw32"; then
4605 if test "$USE_X_TOOLKIT" = "none"; then
4606 LIBXT_OTHER="\$(LIBXSM)"
4608 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4611 AC_SUBST(LIBXT_OTHER)
4613 if test "${HAVE_X11}" = "yes" ; then
4614 AC_DEFINE(HAVE_X11, 1,
4615 [Define to 1 if you want to use version 11 of X windows.])
4616 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4620 AC_SUBST(LIBX_OTHER)
4622 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4624 elif test "$USE_X_TOOLKIT" = none; then
4625 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4627 LIBXMENU='$(lwlibdir)/liblw.a'
4631 if test "${GNU_MALLOC}" = "yes" ; then
4632 AC_DEFINE(GNU_MALLOC, 1,
4633 [Define to 1 if you want to use the GNU memory allocator.])
4637 if test "${REL_ALLOC}" = "yes" ; then
4638 AC_DEFINE(REL_ALLOC, 1,
4639 [Define REL_ALLOC if you want to use the relocating allocator for
4642 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4644 AC_SUBST(RALLOC_OBJ)
4646 if test "$opsys" = "cygwin"; then
4647 CYGWIN_OBJ="sheap.o cygw32.o"
4648 ## Cygwin differs because of its unexec().
4650 POST_ALLOC_OBJ=lastfile.o
4651 elif test "$opsys" = "mingw32"; then
4654 POST_ALLOC_OBJ=lastfile.o
4657 PRE_ALLOC_OBJ=lastfile.o
4660 AC_SUBST(CYGWIN_OBJ)
4661 AC_SUBST(PRE_ALLOC_OBJ)
4662 AC_SUBST(POST_ALLOC_OBJ)
4664 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4665 dnl verbatim defined above. The tricky name is apropos, as this hack
4666 dnl makes Fortify go sour!
4667 AH_VERBATIM([FORTIFY_SOUR],
4668 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4669 The workaround disables some useful run-time checking, so it
4670 should be conditional to the platforms with the performance bug.
4671 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4672 #if defined __APPLE__ && defined __GNUC__
4673 # ifndef _DONT_USE_CTYPE_INLINE_
4674 # define _DONT_USE_CTYPE_INLINE_
4676 # ifndef _FORTIFY_SOURCE
4677 # define _FORTIFY_SOURCE 0
4682 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4683 # it temporarily reverts them to their pre-pkg-config values,
4684 # because gnulib needs to work with both src (which uses the
4685 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4686 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4687 # and it therefore needs to run in an environment where LIBS does not
4688 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4689 # for some package unrelated to lib-src.
4692 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4693 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4694 gl_ASSERT_NO_GNULIB_POSIXCHECK
4695 gl_ASSERT_NO_GNULIB_TESTS
4696 gl_SET_CRYPTO_CHECK_DEFAULT([auto])
4701 if test "${opsys}" = "mingw32"; then
4702 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4703 # Remove unneeded switches from the value of CC that goes to Makefiles
4704 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4708 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4711 ## The -headerpad option tells ld (see man page) to leave room at the
4712 ## end of the header for adding load commands. Needed for dumping.
4713 ## 0x690 is the total size of 30 segment load commands (at 56
4714 ## each); under Cocoa 31 commands are required.
4715 if test "$HAVE_NS" = "yes"; then
4716 libs_nsgui="-framework AppKit"
4717 if test "$NS_IMPL_COCOA" = "yes"; then
4718 libs_nsgui="$libs_nsgui -framework IOKit"
4725 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4727 ## This is here because src/Makefile.in did some extra fiddling around
4728 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4729 ## LD_SWITCH_SYSTEM_TEMACS instead,
4730 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4731 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4734 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4735 ## find X at run-time.
4736 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4737 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4738 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4739 ## had different values in configure (in ac_link) and src/Makefile.in.
4740 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4741 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4744 ## MinGW64 does not prepend an underscore to symbols, so we must
4745 ## pass a different -entry switch to linker. FIXME: It is better
4746 ## to make the entry points the same by changing unexw32.c.
4747 case "$canonical" in
4748 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4749 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4753 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4755 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4758 if test x$ac_enable_profiling != x ; then
4760 *freebsd | gnu-linux) ;;
4761 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4765 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4767 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4769 ## MinGW-specific post-link processing of temacs.
4770 TEMACS_POST_LINK=":"
4773 if test "${opsys}" = "mingw32"; then
4774 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4775 ADDSECTION="../nt/addsection\$(EXEEXT)"
4776 ## Preload heap size of temacs.exe in MB.
4777 case "$canonical" in
4778 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4779 *) EMACS_HEAPSIZE=27 ;;
4783 AC_SUBST(ADDSECTION)
4784 AC_SUBST(TEMACS_POST_LINK)
4785 AC_SUBST(EMACS_HEAPSIZE)
4787 ## Common for all window systems
4788 if test "$window_system" != "none"; then
4789 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4790 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4793 AC_SUBST(WINDOW_SYSTEM_OBJ)
4795 AH_TOP([/* GNU Emacs site configuration template file.
4797 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4798 Free Software Foundation, Inc.
4800 This file is part of GNU Emacs.
4802 GNU Emacs is free software: you can redistribute it and/or modify
4803 it under the terms of the GNU General Public License as published by
4804 the Free Software Foundation, either version 3 of the License, or
4805 (at your option) any later version.
4807 GNU Emacs is distributed in the hope that it will be useful,
4808 but WITHOUT ANY WARRANTY; without even the implied warranty of
4809 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4810 GNU General Public License for more details.
4812 You should have received a copy of the GNU General Public License
4813 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4816 /* No code in Emacs #includes config.h twice, but some bits of code
4817 intended to work with other packages as well (like gmalloc.c)
4818 think they can include it as many times as they like. */
4819 #ifndef EMACS_CONFIG_H
4820 #define EMACS_CONFIG_H
4823 AH_BOTTOM([#include <conf_post.h>
4825 #endif /* EMACS_CONFIG_H */
4834 #### Report on what we decided to do.
4835 #### Report GTK as a toolkit, even if it doesn't use Xt.
4836 #### It makes printing result more understandable as using GTK sets
4837 #### toolkit_scroll_bars to yes by default.
4838 if test "${HAVE_GTK}" = "yes"; then
4839 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4842 if test $USE_ACL -ne 0; then
4843 acl_summary="yes $LIB_ACL"
4848 if test -n "$LIB_CRYPTO"; then
4855 Configured for \`${canonical}'.
4857 Where should the build process find the source code? ${srcdir}
4858 What compiler should emacs be built with? ${CC} ${CFLAGS}
4859 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4860 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4861 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4862 What window system should Emacs use? ${window_system}
4863 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4865 if test -n "${x_includes}"; then
4866 echo " Where do we find X Windows header files? ${x_includes}"
4868 echo " Where do we find X Windows header files? Standard dirs"
4870 if test -n "${x_libraries}"; then
4871 echo " Where do we find X Windows libraries? ${x_libraries}"
4873 echo " Where do we find X Windows libraries? Standard dirs"
4876 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4877 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4878 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4879 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4880 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4881 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4882 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4883 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4885 echo " Does Emacs support sound? ${HAVE_SOUND}"
4887 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4888 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4889 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4890 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4891 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4892 echo " Does Emacs use access control lists? ${acl_summary}"
4893 echo " Does Emacs use a crypto library? ${HAVE_LIB_CRYPTO} $LIB_CRYPTO"
4894 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4895 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4896 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4898 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4899 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4900 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4901 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4902 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4904 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4907 if test -n "${EMACSDATA}"; then
4908 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4910 if test -n "${EMACSDOC}"; then
4911 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4916 if test "$HAVE_NS" = "yes"; then
4918 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4919 The installed application will go to nextstep/Emacs.app and can be
4920 run or moved from there."
4921 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4922 echo "The application will be fully self-contained."
4924 echo "The lisp resources for the application will be installed under ${prefix}.
4925 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4926 to run if these resources are not installed."
4931 if test "${opsys}" = "cygwin"; then
4933 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4939 # Remove any trailing slashes in these variables.
4940 [test "${prefix}" != NONE &&
4941 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4942 test "${exec_prefix}" != NONE &&
4943 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4945 if test "$HAVE_NS" = "yes"; then
4946 if test "$NS_IMPL_GNUSTEP" = yes; then
4947 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4948 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4949 ns_check_file=Resources/Info-gnustep.plist
4951 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4952 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4953 ns_check_file=Contents/Info.plist
4955 AC_SUBST(ns_check_file)
4958 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4959 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4960 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4961 dnl (else you get "no `Makefile.am' found for any configure output").
4962 dnl This will work, but you get a config.status that is not quite right
4963 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4964 dnl That doesn't have any obvious consequences for Emacs, but on the whole
4965 dnl it seems better to just live with the duplication.
4966 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
4968 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
4969 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
4970 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
4971 leim/Makefile nextstep/Makefile nt/Makefile])
4973 dnl test/ is not present in release tarfiles.
4974 opt_makefile=test/automated/Makefile
4976 if test -f "$srcdir/$opt_makefile.in"; then
4977 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
4978 dnl Again, it's best not to use a variable. Though you can add
4979 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
4980 AC_CONFIG_FILES([test/automated/Makefile])
4984 dnl The admin/ directory used to be excluded from tarfiles.
4985 if test -d $srcdir/admin; then
4986 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
4987 AC_CONFIG_FILES([admin/unidata/Makefile])
4988 AC_CONFIG_FILES([admin/grammars/Makefile])
4992 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
4994 AC_SUBST(SUBDIR_MAKEFILES_IN)
4996 dnl You might wonder (I did) why epaths.h is generated by running make,
4997 dnl rather than just letting configure generate it from epaths.in.
4998 dnl One reason is that the various paths are not fully expanded (see above);
4999 dnl eg gamedir=${prefix}/var/games/emacs.
5000 dnl Secondly, the GNU Coding standards require that one should be able
5001 dnl to run `make prefix=/some/where/else' and override the values set
5002 dnl by configure. This also explains the `move-if-change' test and
5003 dnl the use of force in the `epaths-force' rule in Makefile.in.
5004 AC_CONFIG_COMMANDS([src/epaths.h], [
5005 if test "${opsys}" = "mingw32"; then
5006 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5008 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5010 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5012 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5013 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5015 AC_CONFIG_COMMANDS([src/.gdbinit], [
5016 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5017 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit