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 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
28 dnl and then quoted again for a C string. Separate options with spaces.
29 dnl Add some environment variables, if they were passed via the environment
30 dnl rather than on the command-line.
33 dnl This is the documented way to record the args passed to configure,
34 dnl rather than $ac_configure_args.
35 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
37 -n | --no-create | --no-recursion)
39 CFLAGS | CPPFLAGS | LDFLAGS)
40 eval 'test "${'$opt'+set}" = set' || continue
42 *" $opt="*) continue ;;
44 eval opt=$opt=\$$opt ;;
47 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
49 *[["$emacs_shell_specials"]]*)
52 emacs_quote_apostrophes="s/'/'\\\\''/g"
53 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
58 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
59 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
62 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
66 AC_CONFIG_HEADER(src/config.h:src/config.in)
67 AC_CONFIG_SRCDIR(src/lisp.h)
68 AC_CONFIG_AUX_DIR(build-aux)
69 dnl Fairly arbitrary, older versions might work too.
70 AM_INIT_AUTOMAKE(1.11)
72 dnl Support for --program-prefix, --program-suffix and
73 dnl --program-transform-name options
76 dnl http://debbugs.gnu.org/15260
77 dnl Note that abs_srcdir and abs_builddir are not yet defined. :(
79 dnl "`cd \"$srcdir\"`" is not portable.
80 dnl See autoconf manual "Shell Substitutions":
81 dnl "There is just no portable way to use double-quoted strings inside
82 dnl double-quoted back-quoted expressions (pfew!)."
83 temp_srcdir=`cd "$srcdir"; pwd`
85 for var in "`pwd`" "$temp_srcdir"; do
87 dnl configure sets LC_ALL=C early on, so this range should work.
89 *[[^\ -~]]*) AC_MSG_ERROR([Emacs cannot be built in a directory whose name contains non-ASCII characters: $var]) ;;
94 dnl It is important that variables on the RHS not be expanded here,
95 dnl hence the single quotes. This is per the GNU coding standards, see
96 dnl (autoconf) Installation Directory Variables
97 dnl See also epaths.h below.
98 lispdir='${datadir}/emacs/${version}/lisp'
99 leimdir='${datadir}/emacs/${version}/leim'
100 standardlisppath='${lispdir}:${leimdir}'
101 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
102 '${datadir}/emacs/site-lisp'
103 lisppath='${locallisppath}:${standardlisppath}'
104 etcdir='${datadir}/emacs/${version}/etc'
105 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
106 etcdocdir='${datadir}/emacs/${version}/etc'
107 gamedir='${localstatedir}/games/emacs'
109 dnl Special option to disable the most of other options.
111 [AS_HELP_STRING([--without-all],
112 [omit almost all features and build
113 small executable with minimal dependencies])],
114 with_features=$withval,
117 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
118 dnl Create a new --with option that defaults to being disabled.
119 dnl NAME is the base name of the option. The shell variable with_NAME
120 dnl will be set to either the user's value (if the option is
121 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
122 dnl option is not specified). Note that the shell variable name is
123 dnl constructed as autoconf does, by replacing non-alphanumeric
124 dnl characters with "_".
125 dnl HELP-STRING is the help text for the option.
126 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
127 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
128 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
131 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
132 dnl Create a new --with option that defaults to $with_features.
133 dnl NAME is the base name of the option. The shell variable with_NAME
134 dnl will be set either to 'no' (for a plain --without-NAME) or to
135 dnl 'yes' (if the option is not specified). Note that the shell
136 dnl variable name is constructed as autoconf does, by replacing
137 dnl non-alphanumeric characters with "_".
138 dnl HELP-STRING is the help text for the option.
139 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
140 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
141 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
144 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
145 if test "$with_pop" = yes; then
146 AC_DEFINE(MAIL_USE_POP)
148 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
150 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
151 if test "$with_kerberos" != no; then
154 AH_TEMPLATE(KERBEROS,
155 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
157 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
158 if test "${with_kerberos5}" != no; then
159 if test "${with_kerberos}" = no; then
163 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
166 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
167 dnl FIXME hesiod support may not be present, so it seems like an error
168 dnl to define, or at least use, this unconditionally.
169 if test "$with_hesiod" != no; then
170 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
173 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
174 if test "$with_mmdf" != no; then
175 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
178 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
179 if test "$with_mail_unlink" != no; then
180 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
183 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
184 [string giving default POP mail host])],
185 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
187 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
188 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
189 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
190 [ case "${withval}" in
191 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
192 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
193 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
198 [with_sound=$with_features])
200 dnl FIXME currently it is not the last.
201 dnl This should be the last --with option, because --with-x is
202 dnl added later on when we find the file name of X, and it's best to
203 dnl keep them together visually.
204 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
205 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
206 [ case "${withval}" in
207 y | ye | yes ) val=gtk ;;
209 l | lu | luc | luci | lucid ) val=lucid ;;
210 a | at | ath | athe | athen | athena ) val=athena ;;
211 m | mo | mot | moti | motif ) val=motif ;;
212 g | gt | gtk ) val=gtk ;;
216 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
217 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
218 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
219 `athena' and `lucid' are synonyms.])
225 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
226 if test "$with_wide_int" = yes; then
227 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
230 dnl _ON results in a '--without' option in the --help output, so
231 dnl the help text should refer to "don't compile", etc.
232 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
233 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
234 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
235 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
236 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
237 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
238 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
239 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
241 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
242 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
243 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
245 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
246 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
247 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
248 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
249 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
251 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
252 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
253 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
254 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
255 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
256 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
257 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
259 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
260 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
261 [ case "${withval}" in
262 y | ye | yes ) val=yes ;;
264 g | gf | gfi | gfil | gfile ) val=gfile ;;
265 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
266 w | w3 | w32 ) val=w32 ;;
267 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
268 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
269 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
270 otherwise for the first of `gfile' or `inotify' that is usable.])
273 with_file_notification=$val
275 [with_file_notification=$with_features])
277 ## For the times when you want to build Emacs but don't have
278 ## a suitable makeinfo, and can live without the manuals.
279 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
280 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
282 ## Makefile.in needs the cache file name.
285 ## This is an option because I do not know if all info/man support
286 ## compressed files, nor how to test if they do so.
287 OPTION_DEFAULT_ON([compress-install],
288 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
289 make GZIP_PROG= install])
291 AC_ARG_WITH([pkg-config-prog],dnl
292 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
293 [file name of pkg-config for finding GTK and librsvg])])
294 if test "X${with_pkg_config_prog}" != X; then
295 if test "${with_pkg_config_prog}" != yes; then
296 PKG_CONFIG="${with_pkg_config_prog}"
300 AC_ARG_WITH(gameuser,dnl
301 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
302 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
303 && gameuser="${with_gameuser}"
304 test "X$gameuser" = X && gameuser=games
306 AC_ARG_WITH([gnustep-conf],dnl
307 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
308 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
309 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
310 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
311 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
312 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
314 AC_ARG_ENABLE(ns-self-contained,
315 [AS_HELP_STRING([--disable-ns-self-contained],
316 [disable self contained build under NeXTstep])],
317 EN_NS_SELF_CONTAINED=$enableval,
318 EN_NS_SELF_CONTAINED=yes)
320 AC_ARG_ENABLE(locallisppath,
321 [AS_HELP_STRING([--enable-locallisppath=PATH],
322 [directories Emacs should search for lisp files specific
324 if test "${enableval}" = "no"; then
326 elif test "${enableval}" != "yes"; then
327 locallisppath=${enableval}
330 AC_ARG_ENABLE(checking,
331 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
332 [enable expensive run-time checks. With LIST,
333 enable only specific categories of checks.
334 Categories are: all,yes,no.
335 Flags are: stringbytes, stringoverrun, stringfreelist,
336 xmallocoverrun, conslist, glyphs])],
337 [ac_checking_flags="${enableval}"],[])
338 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
339 for check in $ac_checking_flags
342 # these set all the flags to specific states
343 yes) ac_enable_checking=1 ;;
344 no) ac_enable_checking= ;
345 ac_gc_check_stringbytes= ;
346 ac_gc_check_string_overrun= ;
347 ac_gc_check_string_free_list= ;
348 ac_xmalloc_overrun= ;
349 ac_gc_check_cons_list= ;
351 all) ac_enable_checking=1 ;
352 ac_gc_check_stringbytes=1 ;
353 ac_gc_check_string_overrun=1 ;
354 ac_gc_check_string_free_list=1 ;
355 ac_xmalloc_overrun=1 ;
356 ac_gc_check_cons_list=1 ;
358 # these enable particular checks
359 stringbytes) ac_gc_check_stringbytes=1 ;;
360 stringoverrun) ac_gc_check_string_overrun=1 ;;
361 stringfreelist) ac_gc_check_string_free_list=1 ;;
362 xmallocoverrun) ac_xmalloc_overrun=1 ;;
363 conslist) ac_gc_check_cons_list=1 ;;
364 glyphs) ac_glyphs_debug=1 ;;
365 *) AC_MSG_ERROR(unknown check category $check) ;;
370 if test x$ac_enable_checking != x ; then
371 AC_DEFINE(ENABLE_CHECKING, 1,
372 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
374 if test x$ac_gc_check_stringbytes != x ; then
375 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
376 [Define this temporarily to hunt a bug. If defined, the size of
377 strings is redundantly recorded in sdata structures so that it can
378 be compared to the sizes recorded in Lisp strings.])
380 if test x$ac_gc_check_string_overrun != x ; then
381 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
382 [Define this to check for short string overrun.])
384 if test x$ac_gc_check_string_free_list != x ; then
385 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
386 [Define this to check the string free list.])
388 if test x$ac_xmalloc_overrun != x ; then
389 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
390 [Define this to check for malloc buffer overrun.])
392 if test x$ac_gc_check_cons_list != x ; then
393 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
394 [Define this to check for errors in cons list.])
396 if test x$ac_glyphs_debug != x ; then
397 AC_DEFINE(GLYPH_DEBUG, 1,
398 [Define this to enable glyphs debugging code.])
401 AC_ARG_ENABLE(check-lisp-object-type,
402 [AS_HELP_STRING([--enable-check-lisp-object-type],
403 [enable compile time checks for the Lisp_Object data type.
404 This is useful for development for catching certain types of bugs.])],
405 if test "${enableval}" != "no"; then
406 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
407 [Define this to enable compile time checks for the Lisp_Object data type.])
411 dnl The name of this option is unfortunate. It predates, and has no
412 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
413 dnl Actually, it stops it working.
414 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
415 AC_ARG_ENABLE(profiling,
416 [AS_HELP_STRING([--enable-profiling],
417 [build emacs with low-level, gprof profiling support.
418 Mainly useful for debugging Emacs itself. May not work on
419 all platforms. Stops profiler.el working.])],
420 [ac_enable_profiling="${enableval}"],[])
421 if test x$ac_enable_profiling != x ; then
422 PROFILING_CFLAGS="-DPROFILING=1 -pg"
426 AC_SUBST(PROFILING_CFLAGS)
428 AC_ARG_ENABLE(autodepend,
429 [AS_HELP_STRING([--enable-autodepend],
430 [automatically generate dependencies to .h-files.
431 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
433 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
435 AC_ARG_ENABLE(gtk-deprecation-warnings,
436 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
437 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
438 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
440 #### When building with MinGW inside the MSYS tree, 'pwd' produces
441 #### directories relative to the root of the MSYS tree,
442 #### e.g. '/home/user/foo' instead of '/d/MSYS/home/user/foo'. When
443 #### such a value of srcdir is written to the top-level Makefile, it
444 #### gets propagated to src/epaths.h, and that causes temacs to fail,
445 #### because, being a MinGW program that knows nothing of MSYS root
446 #### substitution, it cannot find the data directory. "pwd -W"
447 #### produces Windows-style 'd:/foo/bar' absolute directory names, so
448 #### we use it here to countermand that lossage.
449 test "$MSYSTEM" = "MINGW32" && abs_srcdir=`(cd "$abs_srcdir"; pwd -W | sed -e 's,^\([[A-Za-z]]\):,/\1,')`
451 ### Canonicalize the configuration name.
455 configuration=${host_alias-${build_alias-$host}}
457 dnl This used to use changequote, but, apart from `changequote is evil'
458 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
459 dnl the great gob of text. Thus it's not processed for possible expansion.
460 dnl Just make sure the brackets remain balanced.
462 dnl Since Emacs can't find matching pairs of quotes, boundaries are
463 dnl indicated by comments.
467 ### If you add support for a new configuration, add code to this
468 ### switch statement to recognize your configuration name and select
469 ### the appropriate operating system file.
471 ### You would hope that you could choose an s/*.h
472 ### file based on the operating system portion. However, it turns out
473 ### that each s/*.h file is pretty manufacturer-specific.
474 ### So we basically have to have a special case for each
475 ### configuration name.
477 ### As far as handling version numbers on operating systems is
478 ### concerned, make sure things will fail in a fixable way. If
479 ### /etc/MACHINES doesn't say anything about version numbers, be
480 ### prepared to handle anything reasonably. If version numbers
481 ### matter, be sure /etc/MACHINES says something about it.
484 case "${canonical}" in
486 ## GNU/Linux and similar ports
501 ## FreeBSD kernel + glibc based userland
516 ## Apple Darwin / Mac OS X
518 case "${canonical}" in
525 ## Use fink packages if available.
526 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
527 ## if test -d /sw/include && test -d /sw/lib; then
528 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
529 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
538 ## HP 9000 series 700 and 800, running HP/UX
542 hppa*-hp-hpux1[1-9]* )
544 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
548 rs6000-ibm-aix4.[23]* )
551 powerpc-ibm-aix4.[23]* )
554 rs6000-ibm-aix[56]* )
557 powerpc-ibm-aix[56]* )
561 ## Silicon Graphics machines
565 # Without defining _LANGUAGE_C, things get masked out in the headers
566 # so that, for instance, grepping for `free' in stdlib.h fails and
567 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
568 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
573 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
574 | x86_64-*-solaris2* | x86_64-*-sunos5*)
575 case "${canonical}" in
577 amd64-*-*|x86_64-*-*) ;;
581 case "${canonical}" in
582 *-sunos5.6* | *-solaris2.6* )
586 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
588 emacs_check_sunpro_c=yes
590 *-sunos5* | *-solaris* )
592 emacs_check_sunpro_c=yes
595 ## Watch out for a compiler that we know will not work.
596 case "${canonical}" in
597 *-solaris* | *-sunos5* )
598 if [ "x$CC" = x/usr/ucb/cc ]; then
599 ## /usr/ucb/cc doesn't work;
600 ## we should find some other compiler that does work.
608 ## Intel 386 machines where we don't care about the manufacturer.
610 case "${canonical}" in
611 *-darwin* ) opsys=darwin ;;
614 # MinGW overrides and adds some system headers in nt/inc.
615 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
617 *-sysv4.2uw* ) opsys=unixware ;;
618 *-sysv5uw* ) opsys=unixware ;;
619 *-sysv5OpenUNIX* ) opsys=unixware ;;
620 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
629 ### If the code above didn't choose an operating system, just choose
630 ### an operating system based on the configuration name. You really
631 ### only want to use this when you have no idea what the right
632 ### operating system is; if you know what operating systems a machine
633 ### runs, it's cleaner to make it explicit in the case statement
635 if test x"${opsys}" = x; then
636 case "${canonical}" in
637 *-gnu* ) opsys=gnu ;;
647 if test $unported = yes; then
648 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
649 Check `etc/MACHINES' for recognized configuration names.])
653 #### Choose a compiler.
655 dnl Sets GCC=yes if using gcc.
659 if test x$GCC = xyes; then
660 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
662 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
665 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
666 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
667 dnl that clash with MinGW.
668 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
670 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
671 # as we don't use them.
672 AC_DEFUN([gl_FCNTL_O_FLAGS])
673 # Avoid gnulib's threadlib module, as we do threads our own way.
674 AC_DEFUN([gl_THREADLIB])
676 # Initialize gnulib right after choosing the compiler.
677 dnl Amongst other things, this sets AR and ARFLAGS.
680 if test "$ac_test_CFLAGS" != set; then
681 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
682 # if -g3 works and the user does not specify CFLAGS.
683 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
686 emacs_g3_CFLAGS='-g3';;
688 emacs_g3_CFLAGS='-g3 -O2';;
692 if test -n "$emacs_g3_CFLAGS"; then
693 emacs_save_CFLAGS=$CFLAGS
694 CFLAGS=$emacs_g3_CFLAGS
695 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
696 [emacs_cv_prog_cc_g3],
697 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
698 [emacs_cv_prog_cc_g3=yes],
699 [emacs_cv_prog_cc_g3=no])])
700 if test $emacs_cv_prog_cc_g3 != yes; then
701 CFLAGS=$emacs_save_CFLAGS
703 if test $opsys = mingw32; then
704 CFLAGS="$CFLAGS -gdwarf-2"
711 # No optimization flag was inferred for this non-GCC compiler.
712 # Try -O. This is needed for xlc on AIX; see Bug#14258.
713 emacs_save_CFLAGS=$CFLAGS
714 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
716 AC_CACHE_CHECK([whether $CC accepts -O],
717 [emacs_cv_prog_cc_o],
718 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
719 [emacs_cv_prog_cc_o=yes],
720 [emacs_cv_prog_cc_o=no])])
721 if test $emacs_cv_prog_cc_o != yes; then
722 CFLAGS=$emacs_save_CFLAGS
727 AC_ARG_ENABLE([gcc-warnings],
728 [AS_HELP_STRING([--enable-gcc-warnings],
729 [turn on lots of GCC warnings/errors. This is intended for
730 developers, and may generate false alarms when used
731 with older or non-GNU development tools.])],
734 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
736 gl_gcc_warnings=$enableval],
740 AC_ARG_ENABLE(link-time-optimization,
741 [AS_HELP_STRING([--enable-link-time-optimization],
742 [build emacs with link-time optimization.
743 This is supported only for GCC since 4.5.0.])],
744 if test "${enableval}" != "no"; then
745 AC_MSG_CHECKING([whether link-time optimization is supported])
747 if test x$GCC = xyes; then
748 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
749 if test x$CPUS != x; then
755 CFLAGS="$CFLAGS $LTO"
756 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
757 [ac_lto_supported=yes], [ac_lto_supported=no])
760 AC_MSG_RESULT([$ac_lto_supported])
761 if test "$ac_lto_supported" = "yes"; then
762 CFLAGS="$CFLAGS $LTO"
766 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
767 # ------------------------------------------------
768 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
769 # Otherwise, run RUN-IF-NOT-FOUND.
770 AC_DEFUN([gl_GCC_VERSION_IFELSE],
774 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
777 # error "your version of gcc is older than $1.$2"
784 # clang is unduly picky about some things.
785 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
792 [emacs_cv_clang=yes],
793 [emacs_cv_clang=no])])
795 # When compiling with GCC, prefer -isystem to -I when including system
796 # include files, to avoid generating useless diagnostics for the files.
797 if test "$gl_gcc_warnings" != yes; then
799 if test "$emacs_cv_clang" = yes
801 # Turn off some warnings if supported.
802 gl_WARN_ADD([-Wno-switch])
803 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
804 gl_WARN_ADD([-Wno-pointer-sign])
809 # This, $nw, is the list of warnings we disable.
812 case $with_x_toolkit in
813 lucid | athena | motif)
814 # Old toolkits mishandle 'const'.
815 nw="$nw -Wwrite-strings"
818 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
821 AC_SUBST([WERROR_CFLAGS])
823 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
824 nw="$nw -Woverlength-strings" # Not a problem these days
825 nw="$nw -Wlogical-op" # any use of fwrite provokes this
826 nw="$nw -Wformat-nonliteral" # we do this a lot
827 nw="$nw -Wvla" # warnings in gettext.h
828 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
829 nw="$nw -Wswitch-default" # Too many warnings for now
830 nw="$nw -Winline" # OK to ignore 'inline'
831 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
832 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
833 # signed overflow has undefined behavior
834 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
835 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
836 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
838 # Emacs doesn't care about shadowing; see
839 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
842 # Emacs's use of alloca inhibits protecting the stack.
843 nw="$nw -Wstack-protector"
845 # The following line should be removable at some point.
846 nw="$nw -Wsuggest-attribute=pure"
848 # This part is merely for shortening the command line,
849 # since -Wno-FOO needs to be added below regardless.
850 nw="$nw -Wmissing-field-initializers"
852 nw="$nw -Wtype-limits"
853 nw="$nw -Wunused-parameter"
855 if test $emacs_cv_clang = yes; then
856 nw="$nw -Wcast-align"
859 gl_MANYWARN_ALL_GCC([ws])
860 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
864 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
865 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
866 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
867 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
868 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
869 gl_WARN_ADD([-Wno-format-nonliteral])
871 # In spite of excluding -Wlogical-op above, it is enabled, as of
872 # gcc 4.5.0 20090517.
873 gl_WARN_ADD([-Wno-logical-op])
875 # More things that clang is unduly picky about.
876 if test $emacs_cv_clang = yes; then
877 gl_WARN_ADD([-Wno-format-extra-args])
878 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
879 gl_WARN_ADD([-Wno-unused-command-line-argument])
880 gl_WARN_ADD([-Wno-unused-value])
883 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
884 AH_VERBATIM([FORTIFY_SOURCE],
885 [/* Enable compile-time and run-time bounds-checking, and some warnings,
886 without upsetting glibc 2.15+. */
887 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
888 # define _FORTIFY_SOURCE 2
891 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
893 # We use a slightly smaller set of warning options for lib/.
894 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
896 nw="$nw -Wunused-macros"
898 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
899 AC_SUBST([GNULIB_WARN_CFLAGS])
904 dnl Some other nice autoconf tests.
905 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
908 dnl if test "x$RANLIB" = x; then
913 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
914 dnl can be made to directories. This is not relevant for our usage, and
915 dnl excludes some cases that work fine for us. Eg MS Windows or files
916 dnl hosted on AFS, both examples where simple links work, but links to
917 dnl directories fail. We use a cut-down version instead.
920 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
921 rm -f conf$$ conf$$.file
923 LN_S_FILEONLY='cp -p'
925 if (echo >conf$$.file) 2>/dev/null; then
926 if ln -s conf$$.file conf$$ 2>/dev/null; then
927 LN_S_FILEONLY='ln -s'
928 elif ln conf$$.file conf$$ 2>/dev/null; then
933 rm -f conf$$ conf$$.file
935 if test "$LN_S_FILEONLY" = "ln -s"; then
938 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
941 AC_SUBST(LN_S_FILEONLY)
944 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
945 dnl doesn't support links to directories, as in "ln file dir". But that
946 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
947 dnl executables at "make install" time.
948 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
949 dnl for more details.
950 if test "$opsys" = "mingw32"; then
954 AC_PATH_PROG(INSTALL_INFO, install-info, :,
955 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
956 dnl Don't use GZIP, which is used by gzip for additional parameters.
957 AC_PATH_PROG(GZIP_PROG, gzip)
959 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
960 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
962 if test $opsys = gnu-linux; then
963 AC_PATH_PROG(PAXCTL, paxctl,,
964 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
965 if test "X$PAXCTL" != X; then
966 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
967 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
968 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
969 else AC_MSG_RESULT(no); PAXCTL=""; fi])
973 ## Need makeinfo >= 4.7 (?) to build the manuals.
974 AC_PATH_PROG(MAKEINFO, makeinfo, no)
975 dnl By this stage, configure has already checked for egrep and set EGREP,
976 dnl or exited with an error if no egrep was found.
977 if test "$MAKEINFO" != "no"; then
979 $MAKEINFO --version 2> /dev/null |
980 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
986 ## Makeinfo is unusual. For a released Emacs, the manuals are
987 ## pre-built, and not deleted by the normal clean rules. makeinfo is
988 ## therefore in the category of "special tools" not normally required, which
989 ## configure does not have to check for (eg autoconf itself).
990 ## In a Bazaar checkout on the other hand, the manuals are not included.
991 ## So makeinfo is a requirement to build from Bazaar, and configure
992 ## should test for it as it does for any other build requirement.
993 ## We use the presence of $srcdir/info/emacs to distinguish a release,
994 ## with pre-built manuals, from a Bazaar checkout.
997 if test "$MAKEINFO" = "no"; then
999 if test "x${with_makeinfo}" = "xno"; then
1001 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1002 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1003 source tree does not seem to have pre-built manuals in the `info' directory.
1004 Either install a suitable version of makeinfo, or re-run configure
1005 with the `--without-makeinfo' option to build without the manuals.] )
1008 AC_SUBST(HAVE_MAKEINFO)
1010 dnl Just so that there is only a single place we need to edit.
1012 INFO_OPTS=--no-split
1016 if test $opsys = mingw32; then
1017 DOCMISC_W32=efaq-w32
1021 AC_SUBST(DOCMISC_W32)
1023 dnl Add our options to ac_link now, after it is set up.
1025 if test x$GCC = xyes; then
1026 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1027 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1029 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1030 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1033 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1034 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1035 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1036 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1037 dnl if not built to support GNU ld.
1039 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1040 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1041 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1042 dnl Eg "make LDFLAGS=... all" could run into problems,
1043 dnl http://bugs.debian.org/684788
1044 dnl * unnecessary, since temacs is the only thing that actually needs it.
1045 dnl Indeed this is where it was originally, prior to:
1046 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1047 late_LDFLAGS="$LDFLAGS"
1048 if test x$GCC = xyes; then
1049 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1051 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1054 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1056 AC_MSG_CHECKING([for -znocombreloc])
1057 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1058 [AC_MSG_RESULT(yes)],
1059 LDFLAGS_NOCOMBRELOC=
1060 [AC_MSG_RESULT(no)])
1062 LDFLAGS="$late_LDFLAGS"
1064 dnl The function dump-emacs will not be defined and temacs will do
1065 dnl (load "loadup") automatically unless told otherwise.
1066 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1068 your-opsys-here) CANNOT_DUMP=yes ;;
1071 test "$CANNOT_DUMP" = "yes" && \
1072 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1074 AC_SUBST(CANNOT_DUMP)
1077 UNEXEC_OBJ=unexelf.o
1079 # MSDOS uses unexcoff.o
1081 UNEXEC_OBJ=unexaix.o
1087 UNEXEC_OBJ=unexmacosx.o
1090 UNEXEC_OBJ=unexhp9k800.o
1093 UNEXEC_OBJ=unexw32.o
1096 # Use the Solaris dldump() function, called from unexsol.c, to dump
1097 # emacs, instead of the generic ELF dump code found in unexelf.c.
1098 # The resulting binary has a complete symbol table, and is better
1099 # for debugging and other observability tools (debuggers, pstack, etc).
1101 # If you encounter a problem using dldump(), please consider sending
1102 # a message to the OpenSolaris tools-linking mailing list:
1103 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1105 # It is likely that dldump() works with older Solaris too, but this has
1106 # not been tested, so for now this change is for Solaris 10 or newer.
1107 UNEXEC_OBJ=unexsol.o
1114 ## Let `ld' find image libs and similar things in /usr/local/lib.
1115 ## The system compiler, GCC, has apparently been modified to not
1116 ## look there, contrary to what a stock GCC would do.
1117 ### It's not our place to do this. See bug#10313#17.
1118 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1123 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1124 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1128 ### It's not our place to do this. See bug#10313#17.
1129 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1134 ## Han Boetes <han@boetes.org> says this is necessary,
1135 ## otherwise Emacs dumps core on elf systems.
1136 LD_SWITCH_SYSTEM="-Z"
1139 AC_SUBST(LD_SWITCH_SYSTEM)
1141 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1143 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1144 ## which has not been defined yet. When this was handled with cpp,
1145 ## it was expanded to null when configure sourced the s/*.h file.
1146 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1147 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1148 ## (or somesuch), but because it is supposed to go at the _front_
1149 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1150 ## Compare with the gnu-linux case below, which added to the end
1151 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1152 ## LD_SWITCH_SYSTEM_TEMACS.
1155 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1162 AC_CHECK_DECL([__ELF__])
1163 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1164 ## With ELF, make sure that all common symbols get allocated to in the
1165 ## data section. Otherwise, the dump of temacs may miss variables in
1166 ## the shared library that have been initialized. For example, with
1167 ## GNU libc, __malloc_initialized would normally be resolved to the
1168 ## shared library's .bss section, which is fatal.
1169 if test "x$GCC" = "xyes"; then
1170 C_SWITCH_MACHINE="-fno-common"
1172 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1175 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1176 dnl albeit under the mistaken assumption that said file
1177 dnl was no longer used.
1178 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1182 AC_SUBST(C_SWITCH_MACHINE)
1184 AC_SUBST(UNEXEC_OBJ)
1187 ## Some programs in src produce warnings saying certain subprograms
1188 ## are too complex and need a MAXMEM value greater than 2000 for
1189 ## additional optimization. --nils@exp-math.uni-essen.de
1190 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1191 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1192 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1193 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1194 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1195 AC_SUBST(C_SWITCH_SYSTEM)
1200 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1201 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1203 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1205 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1207 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1209 ## Motif needs -lgen.
1210 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1213 AC_SUBST(LIBS_SYSTEM)
1215 ### Make sure subsequent tests use flags consistent with the build flags.
1217 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1218 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1220 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1223 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1224 AC_DEFUN([AC_TYPE_SIZE_T])
1225 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1226 AC_DEFUN([AC_TYPE_UID_T])
1230 dnl Current possibilities handled by sed (aix4-2 -> aix,
1231 dnl gnu-linux -> gnu/linux, etc.):
1232 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1233 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1234 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1241 ## Adding -lm confuses the dynamic linker, so omit it.
1244 freebsd | dragonfly )
1245 SYSTEM_TYPE=berkeley-unix
1247 gnu-linux | gnu-kfreebsd )
1249 hpux10-20 | hpux11 )
1253 SYSTEM_TYPE=windows-nt
1255 dnl NB this may be adjusted below.
1257 SYSTEM_TYPE=berkeley-unix
1261 SYSTEM_TYPE=usg-unix-v
1267 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1268 [The type of system you are compiling for; sets `system-type'.])
1271 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1272 pre_PKG_CONFIG_LIBS=$LIBS
1274 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1276 dnl This function definition taken from Gnome 2.0
1277 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1278 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1279 dnl also defines GSTUFF_PKG_ERRORS on error
1280 AC_DEFUN([PKG_CHECK_MODULES], [
1283 if test "$PKG_CONFIG" = "no" ; then
1284 ifelse([$4], , [AC_MSG_ERROR([
1285 *** 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])
1287 PKG_CONFIG_MIN_VERSION=0.9.0
1288 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1289 AC_MSG_CHECKING(for $2)
1291 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1292 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1293 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1300 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1301 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1302 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1308 ## If we have a custom action on failure, don't print errors, but
1309 ## do set a variable so people can do so. Do it in a subshell
1310 ## to capture any diagnostics in invoking pkg-config.
1311 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1312 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1318 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1319 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1323 if test $succeeded = yes; then
1324 ifelse([$3], , :, [$3])
1326 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.])], [$4])
1331 if test "${with_sound}" != "no"; then
1332 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1333 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1334 have_sound_header=yes, [], [
1336 #define WIN32_LEAN_AND_MEAN
1337 #include <windows.h>
1340 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1341 AC_MSG_ERROR([OSS sound support requested but not found.])
1343 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1344 # Emulation library used on NetBSD.
1345 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1346 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1347 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1348 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1349 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1353 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1355 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1356 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1357 if test $HAVE_ALSA = yes; then
1358 SAVE_CFLAGS="$CFLAGS"
1360 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1361 LIBS="$ALSA_LIBS $LIBS"
1362 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1363 emacs_alsa_normal=yes,
1364 emacs_alsa_normal=no)
1365 if test "$emacs_alsa_normal" != yes; then
1366 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1367 [[snd_lib_error_set_handler (0);]])],
1368 emacs_alsa_subdir=yes,
1369 emacs_alsa_subdir=no)
1370 if test "$emacs_alsa_subdir" != yes; then
1371 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1373 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1376 CFLAGS="$SAVE_CFLAGS"
1378 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1379 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1380 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1381 elif test "${with_sound}" = "alsa"; then
1382 AC_MSG_ERROR([ALSA sound support requested but not found.])
1384 fi dnl with_sound = alsa|yes
1386 dnl Define HAVE_SOUND if we have sound support. We know it works and
1387 dnl compiles only on the specified platforms. For others, it
1388 dnl probably doesn't make sense to try.
1389 dnl FIXME So surely we should bypass this whole section if not using
1390 dnl one of these platforms?
1391 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1393 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1394 dnl Adjust the --with-sound help text if you change this.
1395 gnu-linux|freebsd|netbsd|mingw32)
1396 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1402 AC_SUBST(CFLAGS_SOUND)
1405 dnl checks for header files
1406 AC_CHECK_HEADERS_ONCE(
1410 sys/utsname.h pwd.h utmp.h util.h)
1412 AC_MSG_CHECKING(if personality LINUX32 can be set)
1413 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1414 emacs_cv_personality_linux32=yes,
1415 emacs_cv_personality_linux32=no)
1416 AC_MSG_RESULT($emacs_cv_personality_linux32)
1418 if test $emacs_cv_personality_linux32 = yes; then
1419 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1420 [Define to 1 if personality LINUX32 can be set.])
1423 dnl On Solaris 8 there's a compilation warning for term.h because
1424 dnl it doesn't define `bool'.
1425 AC_CHECK_HEADERS(term.h, , , -)
1427 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1429 if test $ac_cv_have_decl_sys_siglist != yes; then
1430 # For Tru64, at least:
1431 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1436 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1437 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1438 #if HAVE_SYS_SOCKET_H
1439 #include <sys/socket.h>
1441 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1442 #if HAVE_SYS_SOCKET_H
1443 #include <sys/socket.h>
1445 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1446 #if HAVE_SYS_SOCKET_H
1447 #include <sys/socket.h>
1450 dnl checks for structure members
1451 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1452 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1453 struct ifreq.ifr_addr,
1454 struct ifreq.ifr_addr.sa_len], , ,
1455 [AC_INCLUDES_DEFAULT
1456 #if HAVE_SYS_SOCKET_H
1457 #include <sys/socket.h>
1463 dnl Check for endianness.
1464 dnl AC_C_BIGENDIAN is done by gnulib.
1466 dnl check for Make feature
1467 dnl AC_PROG_MAKE_SET is done by Automake.
1472 dnl check for GNU Make if we have GCC and autodepend is on.
1473 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1474 AC_MSG_CHECKING([whether we are using GNU Make])
1476 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1477 if test "x$testval" != x; then
1480 ac_enable_autodepend=no
1482 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1483 if test $HAVE_GNU_MAKE = yes; then
1484 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1485 SAVE_CFLAGS="$CFLAGS"
1486 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1487 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1488 CFLAGS="$SAVE_CFLAGS"
1489 test -f deps.d || ac_enable_autodepend=no
1491 AC_MSG_RESULT([$ac_enable_autodepend])
1493 if test $ac_enable_autodepend = yes; then
1494 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1495 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1496 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1497 deps_frag=autodeps.mk
1500 deps_frag=$srcdir/src/$deps_frag
1503 AC_SUBST_FILE(deps_frag)
1506 lisp_frag=$srcdir/src/lisp.mk
1507 AC_SUBST_FILE(lisp_frag)
1510 dnl checks for operating system services
1511 AC_SYS_LONG_FILE_NAMES
1513 #### Choose a window system.
1515 ## We leave window_system equal to none if
1516 ## we end up building without one. Any new window system should
1517 ## set window_system to an appropriate value and add objects to
1518 ## window-system-specific substs.
1522 if test "$no_x" != yes; then
1526 LD_SWITCH_X_SITE_RPATH=
1527 if test "${x_libraries}" != NONE; then
1528 if test -n "${x_libraries}"; then
1529 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1530 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1532 x_default_search_path=""
1533 x_search_path=${x_libraries}
1534 if test -z "${x_search_path}"; then
1535 x_search_path=/usr/lib
1537 for x_library in `echo ${x_search_path}: | \
1538 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1540 ${x_library}/X11/%L/%T/%N%C%S:\
1541 ${x_library}/X11/%l/%T/%N%C%S:\
1542 ${x_library}/X11/%T/%N%C%S:\
1543 ${x_library}/X11/%L/%T/%N%S:\
1544 ${x_library}/X11/%l/%T/%N%S:\
1545 ${x_library}/X11/%T/%N%S"
1546 if test x"${x_default_search_path}" = x; then
1547 x_default_search_path=${x_search_path}
1549 x_default_search_path="${x_search_path}:${x_default_search_path}"
1553 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1555 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1556 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1559 if test x"${x_includes}" = x; then
1560 bitmapdir=/usr/include/X11/bitmaps
1562 # accumulate include directories that have X11 bitmap subdirectories
1564 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1565 if test -d "${bmd}/X11/bitmaps"; then
1566 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1568 if test -d "${bmd}/bitmaps"; then
1569 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1572 if test ${bmd_acc} != "dummyval"; then
1573 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1580 tmp_CPPFLAGS="$CPPFLAGS"
1581 tmp_CFLAGS="$CFLAGS"
1582 CPPFLAGS="$CPPFLAGS -x objective-c"
1583 CFLAGS="$CFLAGS -x objective-c"
1586 if test "${with_ns}" != no; then
1587 if test "${opsys}" = darwin; then
1589 ns_appdir=`pwd`/nextstep/Emacs.app
1590 ns_appbindir=${ns_appdir}/Contents/MacOS
1591 ns_appresdir=${ns_appdir}/Contents/Resources
1592 ns_appsrc=Cocoa/Emacs.base
1593 elif test -f $GNUSTEP_CONFIG_FILE; then
1595 ns_appdir=`pwd`/nextstep/Emacs.app
1596 ns_appbindir=${ns_appdir}
1597 ns_appresdir=${ns_appdir}/Resources
1598 ns_appsrc=GNUstep/Emacs.base
1599 dnl FIXME sourcing this several times in subshells seems inefficient.
1600 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1601 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1602 dnl I seemed to need these as well with GNUstep-startup 0.25.
1603 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1604 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1605 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1606 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1607 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1608 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1609 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1610 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1611 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1612 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1613 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1614 dnl If they had chosen to either define it or not, we could have
1615 dnl just used AC_CHECK_DECL here.
1616 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1617 emacs_cv_objc_exceptions,
1618 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1619 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1623 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1624 if test $emacs_cv_objc_exceptions = yes; then
1625 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1626 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1627 [Define if GNUstep uses ObjC exceptions.])
1628 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1632 dnl This is only used while we test the NS headers, it gets reset below.
1633 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1635 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1636 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1637 files are missing or cannot be compiled.])])
1640 if test "${NS_IMPL_COCOA}" = "yes"; then
1641 AC_MSG_CHECKING([for OSX 10.4 or newer])
1642 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1644 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1645 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1648 #error "OSX 10.4 or newer required"
1652 ns_osx_have_104=yes,
1654 AC_MSG_RESULT([$ns_osx_have_104])
1656 if test $ns_osx_have_104 = no; then
1657 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1659 AC_MSG_CHECKING([for OSX 10.5 or newer])
1660 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1662 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1663 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1666 #error "OSX 10.5 not found"
1670 ns_osx_have_105=yes,
1672 AC_MSG_RESULT([$ns_osx_have_105])
1673 if test $ns_osx_have_105 = yes; then
1674 macfont_file="macfont.o"
1677 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1679 ns_have_nsinteger=yes,
1680 ns_have_nsinteger=no)
1681 if test $ns_have_nsinteger = yes; then
1682 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1686 AC_SUBST(LIBS_GNUSTEP)
1688 INSTALL_ARCH_INDEP_EXTRA=install-etc
1689 ns_self_contained=no
1692 if test "${HAVE_NS}" = yes; then
1693 if test "$with_toolkit_scroll_bars" = "no"; then
1694 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1697 window_system=nextstep
1698 # set up packaging dirs
1699 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1700 ns_self_contained=yes
1701 prefix=${ns_appresdir}
1702 exec_prefix=${ns_appbindir}
1703 dnl This one isn't really used, only archlibdir is.
1704 libexecdir="\${ns_appbindir}/libexec"
1705 archlibdir="\${ns_appbindir}/libexec"
1706 etcdocdir="\${ns_appresdir}/etc"
1707 etcdir="\${ns_appresdir}/etc"
1708 dnl FIXME maybe set datarootdir instead.
1709 dnl That would also get applications, icons, man.
1710 infodir="\${ns_appresdir}/info"
1711 mandir="\${ns_appresdir}/man"
1712 lispdir="\${ns_appresdir}/lisp"
1713 leimdir="\${ns_appresdir}/leim"
1714 INSTALL_ARCH_INDEP_EXTRA=
1717 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1719 CFLAGS="$tmp_CFLAGS"
1720 CPPFLAGS="$tmp_CPPFLAGS"
1721 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1722 AC_SUBST(ns_self_contained)
1724 AC_SUBST(NS_OBJC_OBJ)
1735 if test "${with_w32}" != no; then
1738 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1739 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1740 cannot be found.])])
1743 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1746 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1751 if test "${opsys}" = "mingw32"; then
1752 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1753 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1754 #include <windows.h>
1755 #include <usp10.h>]],
1756 [[PIMAGE_NT_HEADERS pHeader;
1757 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1758 [emacs_cv_w32api=yes
1761 AC_MSG_RESULT($emacs_cv_w32api)
1762 if test "${emacs_cv_w32api}" = "no"; then
1763 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1774 if test "${HAVE_W32}" = "yes"; then
1775 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1776 AC_CHECK_TOOL(WINDRES, [windres],
1777 [AC_MSG_ERROR([No resource compiler found.])])
1778 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1779 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1780 EMACSRES="emacs.res"
1781 case "$canonical" in
1782 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1783 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1785 UPDATE_MANIFEST=update-game-score.exe.manifest
1786 if test "${opsys}" = "cygwin"; then
1787 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1788 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1789 # Tell the linker that emacs.res is an object (which we compile from
1790 # the rc file), not a linker script.
1791 W32_RES_LINK="-Wl,emacs.res"
1793 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1794 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1795 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1796 W32_RES_LINK="\$(EMACSRES)"
1797 CLIENTRES="emacsclient.res"
1798 CLIENTW="emacsclientw\$(EXEEXT)"
1799 FIRSTFILE_OBJ=firstfile.o
1802 LIBS_ECLIENT="-lcomctl32"
1803 LIB_WSOCK32="-lwsock32"
1804 NTLIB="ntlib.$ac_objext"
1805 XARGS_LIMIT="-s 10000"
1811 AC_SUBST(EMACS_MANIFEST)
1812 AC_SUBST(UPDATE_MANIFEST)
1815 AC_SUBST(W32_RES_LINK)
1816 AC_SUBST(FIRSTFILE_OBJ)
1819 AC_SUBST(LIBS_ECLIENT)
1820 AC_SUBST(LIB_WSOCK32)
1822 AC_SUBST(XARGS_LIMIT)
1824 if test "${HAVE_W32}" = "yes"; then
1829 ## $window_system is now set to the window system we will
1832 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1833 # Too many warnings for now.
1835 nw="$nw -Wsuggest-attribute=const"
1836 nw="$nw -Wsuggest-attribute=noreturn"
1837 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1839 gl_WARN_ADD([-Wno-unused-variable])
1840 gl_WARN_ADD([-Wno-unused-but-set-variable])
1841 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1849 case "${window_system}" in
1854 case "${with_x_toolkit}" in
1855 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1856 motif ) USE_X_TOOLKIT=MOTIF ;;
1858 term_header=gtkutil.h
1859 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1860 dnl USE_X_TOOLKIT is set.
1861 USE_X_TOOLKIT=none ;;
1862 gtk2 ) with_gtk2=yes
1863 term_header=gtkutil.h
1864 USE_X_TOOLKIT=none ;;
1865 gtk3 ) with_gtk3=yes
1866 term_header=gtkutil.h
1867 USE_X_TOOLKIT=none ;;
1868 no ) USE_X_TOOLKIT=none ;;
1869 dnl If user did not say whether to use a toolkit, make this decision later:
1870 dnl use the toolkit if we have gtk, or X11R5 or newer.
1871 * ) USE_X_TOOLKIT=maybe ;;
1875 term_header=nsterm.h
1878 term_header=w32term.h
1882 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1883 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1884 if test "$HAVE_XSERVER" = true ||
1885 test -n "$DISPLAY" ||
1886 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1887 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1888 were found. You should install the relevant development files for X
1889 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1890 sure you have development files for image handling, i.e.
1891 tiff, gif, jpeg, png and xpm.
1892 If you are sure you want Emacs compiled without X window support, pass
1898 ### We always support menus.
1901 # Does the opsystem file prohibit the use of the GNU malloc?
1902 # Assume not, until told otherwise.
1906 [whether malloc is Doug Lea style],
1907 [emacs_cv_var_doug_lea_malloc],
1910 [[#include <malloc.h>
1911 static void hook (void) {}]],
1912 [[malloc_set_state (malloc_get_state ());
1913 __after_morecore_hook = hook;
1914 __malloc_initialize_hook = hook;]])],
1915 [emacs_cv_var_doug_lea_malloc=yes],
1916 [emacs_cv_var_doug_lea_malloc=no])])
1917 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1920 dnl See comments in aix4-2.h about maybe using system malloc there.
1923 ## darwin ld insists on the use of malloc routines in the System framework.
1924 darwin|sol2-10) system_malloc=yes ;;
1927 if test "${system_malloc}" = "yes"; then
1928 AC_DEFINE(SYSTEM_MALLOC, 1, [Define to use system malloc.])
1931 (The GNU allocators don't work with this system configuration.)"
1935 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1936 VMLIMIT_OBJ=vm-limit.o
1938 AC_CHECK_HEADERS([sys/vlimit.h])
1939 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1942 [[extern char data_start[]; char ch;]],
1943 [[return data_start < &ch;]])],
1944 [emacs_cv_data_start=yes],
1945 [emacs_cv_data_start=no])])
1946 if test $emacs_cv_data_start = yes; then
1947 AC_DEFINE([HAVE_DATA_START], 1,
1948 [Define to 1 if data_start is the address of the start
1949 of the main data segment.])
1952 AC_SUBST(GMALLOC_OBJ)
1953 AC_SUBST(VMLIMIT_OBJ)
1955 if test "$doug_lea_malloc" = "yes" ; then
1956 if test "$GNU_MALLOC" = yes ; then
1958 (Using Doug Lea's new malloc from the GNU C Library.)"
1960 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1961 [Define to 1 if you are using the GNU C Library.])
1963 ## Use mmap directly for allocating larger buffers.
1964 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1965 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1966 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1968 gnu*) REL_ALLOC=no ;;
1972 if test x"${REL_ALLOC}" = x; then
1973 REL_ALLOC=${GNU_MALLOC}
1976 use_mmap_for_buffers=no
1978 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
1982 if test $use_mmap_for_buffers = yes; then
1983 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
1987 LIBS="$LIBS_SYSTEM $LIBS"
1989 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
1990 AC_CHECK_LIB(dnet, dnet_ntoa)
1991 dnl This causes -lresolv to get used in subsequent tests,
1992 dnl which causes failures on some systems such as HPUX 9.
1993 dnl AC_CHECK_LIB(resolv, gethostbyname)
1995 dnl FIXME replace main with a function we actually want from this library.
1996 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1998 dnl Check if pthreads is available.
2000 AC_CHECK_HEADERS_ONCE(pthread.h)
2001 if test "$ac_cv_header_pthread_h"; then
2002 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2003 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2004 dnl testing for pthread_self if Emacs uses gmalloc.c.
2005 if test "$GMALLOC_OBJ" = gmalloc.o; then
2006 emacs_pthread_function=pthread_atfork
2008 emacs_pthread_function=pthread_self
2010 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
2012 if test "$HAVE_PTHREAD" = yes; then
2013 case "${canonical}" in
2015 *) LIB_PTHREAD="-lpthread"
2016 LIBS="$LIB_PTHREAD $LIBS" ;;
2018 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
2020 AC_SUBST([LIB_PTHREAD])
2022 AC_CHECK_LIB(pthreads, cma_open)
2024 ## Note: when using cpp in s/aix4.2.h, this definition depended on
2025 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
2026 ## the system file was sourced. Hence the value of LIBS_SYSTEM
2027 ## added to LIBS in configure would never contain the pthreads part,
2028 ## but the value used in Makefiles might. FIXME?
2030 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
2031 ## be harmless on older versions of X where it happens to exist.
2032 test "$opsys" = "aix4-2" && \
2033 test $ac_cv_lib_pthreads_cma_open = yes && \
2034 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2036 dnl Check for need for bigtoc support on IBM AIX
2040 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2042 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2043 *) gdb_cv_bigtoc=-bbigtoc ;;
2046 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2047 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2052 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2053 # used for the tests that follow. We set them back to REAL_CFLAGS and
2054 # REAL_CPPFLAGS later on.
2056 REAL_CFLAGS="$CFLAGS"
2057 REAL_CPPFLAGS="$CPPFLAGS"
2059 if test "${HAVE_X11}" = "yes"; then
2060 DEFS="$C_SWITCH_X_SITE $DEFS"
2061 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2063 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2064 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2066 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2067 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2068 # but it's more convenient here to set LD_RUN_PATH since this
2069 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2070 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2071 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2075 if test "${opsys}" = "gnu-linux"; then
2076 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2077 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2078 [[XOpenDisplay ("foo");]])],
2079 [xgnu_linux_first_failure=no],
2080 [xgnu_linux_first_failure=yes])
2081 if test "${xgnu_linux_first_failure}" = "yes"; then
2082 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2083 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2084 OLD_CPPFLAGS="$CPPFLAGS"
2086 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2087 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2088 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2089 LIBS="$LIBS -b i486-linuxaout"
2090 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2091 [[XOpenDisplay ("foo");]])],
2092 [xgnu_linux_second_failure=no],
2093 [xgnu_linux_second_failure=yes])
2094 if test "${xgnu_linux_second_failure}" = "yes"; then
2095 # If we get the same failure with -b, there is no use adding -b.
2096 # So take it out. This plays safe.
2097 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2098 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2099 CPPFLAGS="$OLD_CPPFLAGS"
2110 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2111 # header files included from there.
2112 AC_MSG_CHECKING(for Xkb)
2113 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2114 #include <X11/XKBlib.h>]],
2115 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2116 emacs_xkb=yes, emacs_xkb=no)
2117 AC_MSG_RESULT($emacs_xkb)
2118 if test $emacs_xkb = yes; then
2119 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2122 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2123 XScreenNumberOfScreen)
2126 if test "${window_system}" = "x11"; then
2127 AC_MSG_CHECKING(X11 version 6)
2128 AC_CACHE_VAL(emacs_cv_x11_version_6,
2129 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2130 [[#if XlibSpecificationRelease < 6
2133 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2134 if test $emacs_cv_x11_version_6 = yes; then
2135 AC_MSG_RESULT(6 or newer)
2136 AC_DEFINE(HAVE_X11R6, 1,
2137 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2138 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2139 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2143 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2144 [Define if you have usable X11R6-style XIM support.])
2148 AC_MSG_RESULT(before 6)
2153 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2155 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2156 if test "${with_rsvg}" != "no"; then
2157 RSVG_REQUIRED=2.11.0
2158 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2160 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2161 AC_SUBST(RSVG_CFLAGS)
2164 if test $HAVE_RSVG = yes; then
2165 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2166 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2167 LIBS="$RSVG_LIBS $LIBS"
2173 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
2174 if test "${with_imagemagick}" != "no"; then
2175 ## 6.2.8 is the earliest version known to work, but earlier versions
2176 ## might work - let us know if you find one.
2177 ## 6.0.7 does not work. See bug#7955.
2178 ## 6.8.2 makes Emacs crash; see Bug#13867.
2179 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2180 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2181 AC_SUBST(IMAGEMAGICK_CFLAGS)
2182 AC_SUBST(IMAGEMAGICK_LIBS)
2184 if test $HAVE_IMAGEMAGICK = yes; then
2185 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2186 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2187 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2188 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2196 gtk_term_header=$term_header
2199 if test "${opsys}" != "mingw32"; then
2200 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2203 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2205 dnl Checks for libraries.
2206 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2207 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2208 AC_MSG_ERROR($GTK_PKG_ERRORS)
2210 if test "$pkg_check_gtk" = "yes"; then
2211 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2212 GTK_OBJ=emacsgtkfixed.o
2213 gtk_term_header=gtkutil.h
2214 USE_GTK_TOOLKIT="GTK3"
2215 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2216 GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
2217 GTK_CFLAGS="$GTK_CFLAGS -DGLIB_DISABLE_DEPRECATION_WARNINGS"
2221 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2225 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2228 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2230 dnl Checks for libraries.
2231 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2232 if test "$pkg_check_gtk" = "no" &&
2233 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2235 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2237 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2241 if test x"$pkg_check_gtk" = xyes; then
2243 AC_SUBST(GTK_CFLAGS)
2245 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2246 CFLAGS="$CFLAGS $GTK_CFLAGS"
2247 LIBS="$GTK_LIBS $LIBS"
2248 dnl Try to compile a simple GTK program.
2249 AC_MSG_CHECKING([whether GTK compiles])
2253 [[/* Check the Gtk and Glib APIs. */
2254 #include <gtk/gtk.h>
2255 #include <glib-object.h>
2257 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2261 GtkSettings *gs = 0;
2262 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2263 strict C prohibits this. Use gtk_main_iteration to test that the
2264 libraries are there. */
2265 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2266 0, 0, 0, G_CALLBACK (callback), 0))
2267 gtk_main_iteration ();
2270 AC_MSG_RESULT([$GTK_COMPILES])
2271 if test "${GTK_COMPILES}" != "yes"; then
2273 if test "$USE_X_TOOLKIT" != "maybe"; then
2274 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2278 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2279 GTK_OBJ="gtkutil.o $GTK_OBJ"
2280 term_header=$gtk_term_header
2282 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2285 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2286 closing open displays. This is no problem if you just use
2287 one display, but if you use more than one and close one of them
2297 if test "${HAVE_GTK}" = "yes"; then
2299 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2300 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2301 if test "$with_toolkit_scroll_bars" != no; then
2302 with_toolkit_scroll_bars=yes
2305 dnl Check if we have the old file selection dialog declared and
2306 dnl in the link library. In 2.x it may be in the library,
2307 dnl but not declared if deprecated featured has been selected out.
2308 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2309 HAVE_GTK_FILE_SELECTION=no
2310 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2311 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2312 #include <gtk/gtk.h>])
2313 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2314 AC_CHECK_FUNCS(gtk_file_selection_new)
2317 dnl Same as above for gtk_handle_box.
2318 HAVE_GTK_HANDLE_BOX=no
2319 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2320 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2321 #include <gtk/gtk.h>])
2322 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2323 AC_CHECK_FUNCS(gtk_handle_box_new)
2326 dnl Same as above for gtk_tearoff_menu_item.
2327 HAVE_GTK_TEAROFF_MENU_ITEM=no
2328 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2329 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2330 #include <gtk/gtk.h>])
2331 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2332 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2335 dnl Check for functions introduced in 2.14 and later.
2336 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2337 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2338 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2339 gtk_orientable_set_orientation \
2340 gtk_window_set_has_resize_grip)
2342 term_header=gtkutil.h
2345 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2346 dnl other platforms.
2349 if test "${with_dbus}" = "yes"; then
2350 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2351 if test "$HAVE_DBUS" = yes; then
2352 LIBS="$LIBS $DBUS_LIBS"
2353 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2354 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2355 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2357 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2358 dbus_type_is_valid \
2359 dbus_validate_bus_name \
2360 dbus_validate_path \
2361 dbus_validate_interface \
2362 dbus_validate_member)
2368 dnl GSettings has been tested under GNU/Linux only.
2370 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2371 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2372 if test "$HAVE_GSETTINGS" = "yes"; then
2373 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2374 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2375 SETTINGS_LIBS="$GSETTINGS_LIBS"
2379 dnl GConf has been tested under GNU/Linux only.
2380 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2382 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2383 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2384 if test "$HAVE_GCONF" = yes; then
2385 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2386 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2387 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2388 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2392 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2393 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2394 if test "$HAVE_GOBJECT" = "yes"; then
2395 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2396 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2398 SAVE_CFLAGS="$CFLAGS"
2400 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2401 LIBS="$SETTINGS_LIBS $LIBS"
2402 CFLAGS="$SAVE_CFLAGS"
2405 AC_SUBST(SETTINGS_CFLAGS)
2406 AC_SUBST(SETTINGS_LIBS)
2409 dnl SELinux is available for GNU/Linux only.
2412 if test "${with_selinux}" = "yes"; then
2413 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2414 if test "$HAVE_LIBSELINUX" = yes; then
2415 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2416 LIBSELINUX_LIBS=-lselinux
2419 AC_SUBST(LIBSELINUX_LIBS)
2423 if test "${with_gnutls}" = "yes" ; then
2424 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2425 if test "${HAVE_GNUTLS3}" = "yes"; then
2426 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2429 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2431 if test "${HAVE_GNUTLS}" = "yes"; then
2432 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2435 # Windows loads GnuTLS dynamically
2436 if test "${opsys}" = "mingw32"; then
2439 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2440 LIBS="$LIBGNUTLS_LIBS $LIBS"
2444 AC_SUBST(LIBGNUTLS_LIBS)
2445 AC_SUBST(LIBGNUTLS_CFLAGS)
2450 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2451 dnl a particular library. This doesn't make much sense?
2452 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2453 with_file_notification=no
2456 dnl MS Windows native file monitor is available for mingw32 only.
2457 case $with_file_notification,$opsys in
2458 w32,* | yes,mingw32)
2459 AC_CHECK_HEADER(windows.h)
2460 if test "$ac_cv_header_windows_h" = yes ; then
2461 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2462 NOTIFY_OBJ=w32notify.o
2463 NOTIFY_SUMMARY="yes (w32)"
2467 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2468 dnl has been added in glib 2.24. It has been tested under
2469 dnl GNU/Linux only. We take precedence over inotify, but this makes
2470 dnl only sense when glib has been compiled with inotify support. How
2472 case $with_file_notification,$NOTIFY_OBJ in
2474 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2475 if test "$HAVE_GFILENOTIFY" = "yes"; then
2476 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2477 NOTIFY_OBJ=gfilenotify.o
2478 NOTIFY_SUMMARY="yes -lgio (gfile)"
2482 dnl inotify is only available on GNU/Linux.
2483 case $with_file_notification,$NOTIFY_OBJ in
2485 AC_CHECK_HEADER(sys/inotify.h)
2486 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2487 AC_CHECK_FUNC(inotify_init1)
2488 if test "$ac_cv_func_inotify_init1" = yes; then
2489 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2490 NOTIFY_OBJ=inotify.o
2491 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2496 case $with_file_notification,$NOTIFY_OBJ in
2497 yes,* | no,* | *,?*) ;;
2498 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2501 if test -n "$NOTIFY_OBJ"; then
2502 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2504 AC_SUBST(NOTIFY_OBJ)
2505 AC_SUBST(GFILENOTIFY_CFLAGS)
2506 AC_SUBST(GFILENOTIFY_LIBS)
2508 dnl Do not put whitespace before the #include statements below.
2509 dnl Older compilers (eg sunos4 cc) choke on it.
2512 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2513 if test "$with_xaw3d" != no; then
2514 AC_CACHE_VAL(emacs_cv_xaw3d,
2515 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2516 #include <X11/Intrinsic.h>
2517 #include <X11/Xaw3d/Simple.h>]],
2519 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2520 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2521 emacs_cv_xaw3d=no)])
2525 if test $emacs_cv_xaw3d = yes; then
2526 AC_MSG_CHECKING(for xaw3d)
2527 AC_MSG_RESULT([yes; using Lucid toolkit])
2531 AC_DEFINE(HAVE_XAW3D, 1,
2532 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2534 AC_MSG_CHECKING(for xaw3d)
2536 AC_MSG_CHECKING(for libXaw)
2537 AC_CACHE_VAL(emacs_cv_xaw,
2538 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2539 #include <X11/Intrinsic.h>
2540 #include <X11/Xaw/Simple.h>]],
2544 if test $emacs_cv_xaw = yes; then
2545 AC_MSG_RESULT([yes; using Lucid toolkit])
2548 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2549 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2551 AC_MSG_ERROR([No X toolkit could be found.
2552 If you are sure you want Emacs compiled without an X toolkit, pass
2554 to configure. Otherwise, install the development libraries for the toolkit
2555 that you want to use (e.g. Gtk+) and re-run configure.])
2560 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2563 if test "${USE_X_TOOLKIT}" != "none"; then
2564 AC_MSG_CHECKING(X11 toolkit version)
2565 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2566 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2567 [[#if XtSpecificationRelease < 6
2570 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2571 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2572 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2573 AC_MSG_RESULT(6 or newer)
2574 AC_DEFINE(HAVE_X11XTR6, 1,
2575 [Define to 1 if you have the X11R6 or newer version of Xt.])
2576 LIBXTR6="-lSM -lICE"
2578 ## Use libw.a along with X11R6 Xt.
2579 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2582 AC_MSG_RESULT(before 6)
2585 dnl If using toolkit, check whether libXmu.a exists.
2586 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2588 if test x$HAVE_X11XTR6 = xyes; then
2589 LIBS="-lXt -lSM -lICE $LIBS"
2593 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2594 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2595 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2599 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2600 dnl Why not just test for libxmu in the normal way?
2603 ## These systems don't supply Xmu.
2605 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2613 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2614 if test "${HAVE_X11}" = "yes"; then
2615 if test "${USE_X_TOOLKIT}" != "none"; then
2616 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2621 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2622 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2623 if test -d /usr/include/openmotif; then
2624 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2625 emacs_cv_openmotif=yes
2626 case "$canonical" in
2627 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2628 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2631 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2634 emacs_cv_openmotif=no
2636 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2637 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2638 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2641 Motif version prior to 2.1.
2643 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2644 if test $emacs_cv_motif_version_2_1 = yes; then
2645 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2646 if test x$emacs_cv_openmotif = xyes; then
2647 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2650 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2651 # We put this in CFLAGS temporarily to precede other -I options
2652 # that might be in CFLAGS temporarily.
2653 # We put this in CPPFLAGS where it precedes the other -I options.
2654 OLD_CPPFLAGS=$CPPFLAGS
2656 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2657 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2658 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2660 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2661 if test $emacs_cv_lesstif = yes; then
2662 # Make sure this -I option remains in CPPFLAGS after it is set
2663 # back to REAL_CPPFLAGS.
2664 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2665 # have those other -I options anyway. Ultimately, having this
2666 # directory ultimately in CPPFLAGS will be enough.
2667 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2668 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2671 CPPFLAGS=$OLD_CPPFLAGS
2674 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2675 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2678 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2679 dnl using Motif or Xaw3d is available, and unless
2680 dnl --with-toolkit-scroll-bars=no was specified.
2682 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2683 [Define to 1 if we should use toolkit scroll bars.])dnl
2684 USE_TOOLKIT_SCROLL_BARS=no
2685 if test "${with_toolkit_scroll_bars}" != "no"; then
2686 if test "${USE_X_TOOLKIT}" != "none"; then
2687 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2688 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2690 USE_TOOLKIT_SCROLL_BARS=yes
2691 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2692 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2693 USE_TOOLKIT_SCROLL_BARS=yes
2695 elif test "${HAVE_GTK}" = "yes"; then
2696 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2697 USE_TOOLKIT_SCROLL_BARS=yes
2698 elif test "${HAVE_NS}" = "yes"; then
2699 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2700 USE_TOOLKIT_SCROLL_BARS=yes
2701 elif test "${HAVE_W32}" = "yes"; then
2702 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2703 USE_TOOLKIT_SCROLL_BARS=yes
2707 dnl See if XIM is available.
2708 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2709 #include <X11/Xlib.h>
2710 #include <X11/Xresource.h>]],
2711 [[XIMProc callback;]])],
2713 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2716 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2718 if test "${with_xim}" != "no"; then
2719 AC_DEFINE(USE_XIM, 1,
2720 [Define to 1 if we should use XIM, if it is available.])
2724 if test "${HAVE_XIM}" != "no"; then
2726 if test "$GCC" = yes; then
2727 CFLAGS="$CFLAGS --pedantic-errors"
2729 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2730 #include <X11/Xlib.h>
2731 #include <X11/Xresource.h>]],
2737 XPointer *client_data;
2739 /* If we're not using GCC, it's probably not XFree86, and this is
2740 probably right, but we can't use something like --pedantic-errors. */
2741 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2742 char*, XIMProc, XPointer*);
2744 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2746 [emacs_cv_arg6_star=yes])
2747 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2748 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2749 either XPointer or XPointer*.])dnl
2750 if test "$emacs_cv_arg6_star" = yes; then
2751 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2753 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2758 ### Start of font-backend (under any platform) section.
2759 # (nothing here yet -- this is a placeholder)
2760 ### End of font-backend (under any platform) section.
2762 ### Start of font-backend (under X11) section.
2763 if test "${HAVE_X11}" = "yes"; then
2764 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2766 ## Use -lXft if available, unless `--with-xft=no'.
2768 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2771 if test "x${with_xft}" != "xno"; then
2773 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2774 ## Because xftfont.c uses XRenderQueryExtension, we also
2775 ## need to link to -lXrender.
2777 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2778 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2779 OLD_CPPFLAGS="$CPPFLAGS"
2780 OLD_CFLAGS="$CFLAGS"
2782 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2783 CFLAGS="$CFLAGS $XFT_CFLAGS"
2784 XFT_LIBS="-lXrender $XFT_LIBS"
2785 LIBS="$XFT_LIBS $LIBS"
2786 AC_CHECK_HEADER(X11/Xft/Xft.h,
2787 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2788 [[#include <X11/X.h>]])
2790 if test "${HAVE_XFT}" = "yes"; then
2791 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2793 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2795 CPPFLAGS="$OLD_CPPFLAGS"
2796 CFLAGS="$OLD_CFLAGS"
2798 fi # "${HAVE_XFT}" = "yes"
2799 fi # "$HAVE_XFT" != no
2800 fi # "x${with_xft}" != "xno"
2802 ## We used to allow building with FreeType and without Xft.
2803 ## However, the ftx font backend driver is not in good shape.
2804 if test "$HAVE_XFT" != "yes"; then
2805 dnl For the "Does Emacs use" message at the end.
2809 dnl Strict linkers fail with
2810 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2811 dnl if -lfreetype is not specified.
2812 dnl The following is needed to set FREETYPE_LIBS.
2813 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2816 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2820 if test "${HAVE_FREETYPE}" = "yes"; then
2821 AC_DEFINE(HAVE_FREETYPE, 1,
2822 [Define to 1 if using the freetype and fontconfig libraries.])
2823 if test "${with_libotf}" != "no"; then
2824 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2826 if test "$HAVE_LIBOTF" = "yes"; then
2827 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2828 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2829 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2830 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2831 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2832 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2833 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2837 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2838 dnl Does the new font backend require it, or can it work without it?
2842 if test "${HAVE_LIBOTF}" = yes; then
2843 if test "${with_m17n_flt}" != "no"; then
2844 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2845 if test "$HAVE_M17N_FLT" = "yes"; then
2846 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2857 ### End of font-backend (under X11) section.
2859 AC_SUBST(FREETYPE_CFLAGS)
2860 AC_SUBST(FREETYPE_LIBS)
2861 AC_SUBST(FONTCONFIG_CFLAGS)
2862 AC_SUBST(FONTCONFIG_LIBS)
2863 AC_SUBST(LIBOTF_CFLAGS)
2864 AC_SUBST(LIBOTF_LIBS)
2865 AC_SUBST(M17N_FLT_CFLAGS)
2866 AC_SUBST(M17N_FLT_LIBS)
2868 ### Use -lXpm if available, unless `--with-xpm=no'.
2869 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2872 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2873 if test "${with_xpm}" != "no"; then
2874 SAVE_CPPFLAGS="$CPPFLAGS"
2875 SAVE_LDFLAGS="$LDFLAGS"
2876 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2877 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2878 AC_CHECK_HEADER(X11/xpm.h,
2879 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2880 if test "${HAVE_XPM}" = "yes"; then
2881 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2882 AC_EGREP_CPP(no_return_alloc_pixels,
2883 [#include "X11/xpm.h"
2884 #ifndef XpmReturnAllocPixels
2885 no_return_alloc_pixels
2887 ], HAVE_XPM=no, HAVE_XPM=yes)
2889 if test "${HAVE_XPM}" = "yes"; then
2890 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2894 CPPFLAGS="$SAVE_CPPFLAGS"
2895 LDFLAGS="$SAVE_LDFLAGS"
2900 if test "${HAVE_XPM}" = "yes"; then
2901 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2906 if test "${HAVE_X11}" = "yes"; then
2907 if test "${with_xpm}" != "no"; then
2908 AC_CHECK_HEADER(X11/xpm.h,
2909 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2910 if test "${HAVE_XPM}" = "yes"; then
2911 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2912 AC_EGREP_CPP(no_return_alloc_pixels,
2913 [#include "X11/xpm.h"
2914 #ifndef XpmReturnAllocPixels
2915 no_return_alloc_pixels
2917 ], HAVE_XPM=no, HAVE_XPM=yes)
2919 if test "${HAVE_XPM}" = "yes"; then
2927 if test "${HAVE_XPM}" = "yes"; then
2928 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2933 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2934 ### slightly different requirements wrt image libraries (it doesn't
2935 ### use -lXpm because it loads the xpm shared library dynamically at
2937 if test "${opsys}" = "mingw32"; then
2938 if test "${with_xpm}" != "no"; then
2939 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2943 if test "${HAVE_XPM}" = "yes"; then
2944 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2950 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2951 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2954 if test "${opsys}" = "mingw32"; then
2955 if test "${with_jpeg}" != "no"; then
2956 dnl Checking for jpeglib.h can lose because of a redefinition of
2958 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2960 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2961 if test "${HAVE_JPEG}" = "yes"; then
2962 AC_DEFINE(HAVE_JPEG)
2963 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2964 [#include <jpeglib.h>
2965 version=JPEG_LIB_VERSION
2967 [AC_DEFINE(HAVE_JPEG)],
2968 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2971 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
2972 if test "${with_jpeg}" != "no"; then
2973 dnl Checking for jpeglib.h can lose because of a redefinition of
2975 AC_CHECK_HEADER(jerror.h,
2976 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2979 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2980 if test "${HAVE_JPEG}" = "yes"; then
2981 AC_DEFINE(HAVE_JPEG)
2982 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2983 [#include <jpeglib.h>
2984 version=JPEG_LIB_VERSION
2986 [AC_DEFINE(HAVE_JPEG)],
2987 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2990 if test "${HAVE_JPEG}" = "yes"; then
2996 ### Use -lpng if available, unless `--with-png=no'.
2997 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
3000 if test "${opsys}" = "mingw32"; then
3001 if test "${with_png}" != "no"; then
3002 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
3004 if test "${HAVE_PNG}" = "yes"; then
3005 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3007 AC_CHECK_DECL(png_longjmp,
3009 [AC_DEFINE(PNG_DEPSTRUCT, [],
3010 [Define to empty to suppress deprecation warnings when building
3011 with --enable-gcc-warnings and with libpng versions before 1.5,
3012 which lack png_longjmp.])],
3013 [[#ifdef HAVE_LIBPNG_PNG_H
3014 # include <libpng/png.h>
3020 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3021 if test "${with_png}" != "no"; then
3022 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3023 # in /usr/include/libpng.
3024 AC_CHECK_HEADERS(png.h libpng/png.h, break)
3025 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
3026 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3030 if test "${HAVE_PNG}" = "yes"; then
3031 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3032 LIBPNG="-lpng -lz -lm"
3034 AC_CHECK_DECL(png_longjmp,
3036 [AC_DEFINE(PNG_DEPSTRUCT, [],
3037 [Define to empty to suppress deprecation warnings when building
3038 with --enable-gcc-warnings and with libpng versions before 1.5,
3039 which lack png_longjmp.])],
3040 [[#ifdef HAVE_LIBPNG_PNG_H
3041 # include <libpng/png.h>
3052 if test "${with_zlib}" != "no"; then
3054 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3056 case $ac_cv_search_inflateEnd in
3057 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3060 if test "${HAVE_ZLIB}" = "yes"; then
3061 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3062 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3063 if test "${opsys}" = "mingw32"; then
3070 ### Use -ltiff if available, unless `--with-tiff=no'.
3071 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3074 if test "${opsys}" = "mingw32"; then
3075 if test "${with_tiff}" != "no"; then
3076 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3078 if test "${HAVE_TIFF}" = "yes"; then
3079 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3081 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3082 if test "${with_tiff}" != "no"; then
3083 AC_CHECK_HEADER(tiffio.h,
3085 # At least one tiff package requires the jpeg library.
3086 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3087 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3090 if test "${HAVE_TIFF}" = "yes"; then
3091 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3092 dnl FIXME -lz -lm, as per libpng?
3098 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3099 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3102 if test "${opsys}" = "mingw32"; then
3103 if test "${with_gif}" != "no"; then
3104 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3106 if test "${HAVE_GIF}" = "yes"; then
3107 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3109 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3110 || test "${HAVE_W32}" = "yes"; then
3111 AC_CHECK_HEADER(gif_lib.h,
3112 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3113 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3114 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3115 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3117 if test "$HAVE_GIF" = yes; then
3119 elif test "$HAVE_GIF" = maybe; then
3120 # If gif_lib.h but no libgif, try libungif.
3121 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3122 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3125 if test "${HAVE_GIF}" = "yes"; then
3126 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3131 dnl Check for required libraries.
3132 if test "${HAVE_X11}" = "yes"; then
3135 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3136 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3137 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3138 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3139 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3140 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3141 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3142 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3143 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3144 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3146 if test "X${MISSING}" != X; then
3147 AC_MSG_ERROR([The following required libraries were not found:
3149 Maybe some development libraries/packages are missing?
3150 If you don't want to link with them give
3152 as options to configure])
3156 ### Use -lgpm if available, unless `--with-gpm=no'.
3159 if test "${with_gpm}" != "no"; then
3160 AC_CHECK_HEADER(gpm.h,
3161 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3163 if test "${HAVE_GPM}" = "yes"; then
3164 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3170 dnl Check for malloc/malloc.h on darwin
3171 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3174 ### Use NeXTstep API to implement GUI.
3175 if test "${HAVE_NS}" = "yes"; then
3176 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3177 if test "${NS_IMPL_COCOA}" = "yes"; then
3178 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3180 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3181 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3182 # See also .m.o rule in Makefile.in */
3183 # FIXME: are all these flags really needed? Document here why. */
3184 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3185 ## Extra CFLAGS applied to src/*.m files.
3186 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3191 ### Use session management (-lSM -lICE) if available
3194 if test "${HAVE_X11}" = "yes"; then
3195 AC_CHECK_HEADER(X11/SM/SMlib.h,
3196 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3198 if test "${HAVE_X_SM}" = "yes"; then
3199 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3203 *) LIBS="$LIBXSM $LIBS" ;;
3209 ### Use XRandr (-lXrandr) if available
3211 if test "${HAVE_X11}" = "yes"; then
3212 XRANDR_REQUIRED=1.2.2
3213 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3214 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3215 if test $HAVE_XRANDR = no; then
3216 # Test old way in case pkg-config doesn't have it (older machines).
3217 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3218 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3219 if test $HAVE_XRANDR = yes; then
3220 XRANDR_LIBS=-lXrandr
3221 AC_SUBST(XRANDR_LIBS)
3224 if test $HAVE_XRANDR = yes; then
3225 SAVE_CFLAGS="$CFLAGS"
3227 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3228 LIBS="$XRANDR_LIBS $LIBS"
3229 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3230 CFLAGS="$SAVE_CFLAGS"
3233 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3237 ### Use Xinerama (-lXinerama) if available
3239 if test "${HAVE_X11}" = "yes"; then
3240 XINERAMA_REQUIRED=1.0.2
3241 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3242 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3244 if test $HAVE_XINERAMA = no; then
3245 # Test old way in case pkg-config doesn't have it (older machines).
3246 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3247 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3248 if test $HAVE_XINERAMA = yes; then
3249 XINERAMA_LIBS=-lXinerama
3250 AC_SUBST(XINERAMA_LIBS)
3253 if test $HAVE_XINERAMA = yes; then
3254 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3259 ### Use libxml (-lxml2) if available
3260 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3262 if test "${with_xml2}" != "no"; then
3263 ### I'm not sure what the version number should be, so I just guessed.
3264 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3265 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3266 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3267 SAVE_CPPFLAGS="$CPPFLAGS"
3268 CPPFLAGS="$CPPFLAGS -I/usr/include/libxml2"
3269 AC_CHECK_HEADER(libxml/HTMLparser.h,
3270 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3271 [#include <libxml/HTMLparser.h>])])
3272 CPPFLAGS="$SAVE_CPPFLAGS"
3273 if test "${HAVE_LIBXML2}" = "yes"; then
3274 LIBXML2_LIBS="-lxml2"
3275 LIBXML2_CFLAGS="-I/usr/include/libxml2"
3278 if test "${HAVE_LIBXML2}" = "yes"; then
3279 if test "${opsys}" != "mingw32"; then
3280 LIBS="$LIBXML2_LIBS $LIBS"
3281 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3285 if test "${HAVE_LIBXML2}" = "yes"; then
3286 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3293 AC_SUBST(LIBXML2_LIBS)
3294 AC_SUBST(LIBXML2_CFLAGS)
3296 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3297 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3298 if test "${opsys}" = "mingw32"; then
3299 emacs_cv_netdb_declares_h_errno=yes
3301 AC_CACHE_CHECK(whether netdb declares h_errno,
3302 emacs_cv_netdb_declares_h_errno,
3303 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3304 [[return h_errno;]])],
3305 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3306 if test $emacs_cv_netdb_declares_h_errno = yes; then
3307 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3310 # sqrt and other floating-point functions such as fmod and frexp
3311 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3312 if test "${opsys}" != "mingw32"; then
3313 AC_CHECK_LIB(m, sqrt)
3316 # Check for mail-locking functions in a "mail" library. Probably this should
3317 # have the same check as for liblockfile below.
3318 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3319 if test $have_mail = yes; then
3321 LIBS="$LIBS_MAIL $LIBS"
3322 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3326 dnl Debian, at least:
3327 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3328 if test $have_lockfile = yes; then
3329 LIBS_MAIL=-llockfile
3330 LIBS="$LIBS_MAIL $LIBS"
3331 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3333 # If we have the shared liblockfile, assume we must use it for mail
3334 # locking (e.g. Debian). If we couldn't link against liblockfile
3335 # (no liblockfile.a installed), ensure that we don't need to.
3336 dnl This works for files generally, not just executables.
3337 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3338 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3339 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3340 if test $ac_cv_prog_liblockfile = yes; then
3341 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3342 This probably means that movemail could lose mail.
3343 There may be a `development' package to install containing liblockfile.])
3346 AC_CHECK_HEADERS_ONCE(maillock.h)
3349 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3350 ## interlock access to the mail spool. The alternative is a lock file named
3351 ## /usr/spool/mail/$USER.lock.
3354 aix4-2) mail_lock="lockf" ;;
3356 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3358 ## On GNU/Linux systems, both methods are used by various mail programs.
3359 ## I assume most people are using newer mailers that have heard of flock.
3360 ## Change this if you need to.
3361 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3362 ## configure gets the right answers, and that means *NOT* using flock.
3363 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3364 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3365 ## Debian maintainer hasn't provided a clean fix for Emacs.
3366 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3367 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3368 ## correct logic. -- fx
3369 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3370 ## liblockfile is a Free Software replacement for libmail, used on
3371 ## Debian systems and elsewhere. -rfr.
3374 if test $have_mail = yes || test $have_lockfile = yes; then
3375 test $ac_cv_header_maillock_h = yes && mail_lock=no
3380 mail_lock="none-needed" ;;
3384 case "$mail_lock" in
3385 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3387 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3391 *) BLESSMAIL_TARGET="need-blessmail" ;;
3393 AC_SUBST(BLESSMAIL_TARGET)
3396 AC_CHECK_FUNCS(accept4 gethostname \
3397 getrusage get_current_dir_name \
3399 select getpagesize setlocale \
3400 getrlimit setrlimit shutdown getaddrinfo \
3401 strsignal setitimer \
3402 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3403 gai_strerror getline getdelim sync \
3404 difftime posix_memalign \
3405 getpwent endpwent getgrent endgrent \
3407 cfmakeraw cfsetspeed copysign __executable_start log2)
3409 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3410 ## has a broken `rint' in some library versions including math library
3411 ## version number A.09.05.
3412 ## You can fix the math library by installing patch number PHSS_4630.
3413 ## But we can fix it more reliably for Emacs by just not using rint.
3414 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3417 *) AC_CHECK_FUNCS(random rint) ;;
3420 dnl Cannot use AC_CHECK_FUNCS
3421 AC_CACHE_CHECK([for __builtin_unwind_init],
3422 emacs_cv_func___builtin_unwind_init,
3423 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3424 emacs_cv_func___builtin_unwind_init=yes,
3425 emacs_cv_func___builtin_unwind_init=no)])
3426 if test $emacs_cv_func___builtin_unwind_init = yes; then
3427 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3428 [Define to 1 if you have the `__builtin_unwind_init' function.])
3431 AC_CHECK_HEADERS_ONCE(sys/un.h)
3436 AC_CHECK_FUNCS(grantpt)
3438 # PTY-related GNU extensions.
3439 AC_CHECK_FUNCS(getpt posix_openpt)
3441 # Check this now, so that we will NOT find the above functions in ncurses.
3442 # That is because we have not set up to link ncurses in lib-src.
3443 # It's better to believe a function is not available
3444 # than to expect to find it in ncurses.
3445 # Also we need tputs and friends to be able to build at all.
3446 AC_MSG_CHECKING([for library containing tputs])
3447 # Run a test program that contains a call to tputs, a call that is
3448 # never executed. This tests whether a pre-'main' dynamic linker
3449 # works with the library. It's too much trouble to actually call
3450 # tputs in the test program, due to portability hassles. When
3451 # cross-compiling, assume the test program will run if it links.
3452 AC_DEFUN([tputs_link_source], [
3454 [[extern void tputs (const char *, int, int (*)(int));
3455 int main (int argc, char **argv)
3458 tputs (argv[0], 0, 0);
3462 if test "${opsys}" = "mingw32"; then
3465 # Maybe curses should be tried earlier?
3466 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3467 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3469 if test -z "$tputs_library"; then
3473 LIBS_TERMCAP=-l$tputs_library
3475 LIBS="$LIBS_TERMCAP $LIBS"
3477 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3478 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3480 if test "X$msg" != Xno; then
3485 AC_MSG_RESULT([$msg])
3486 if test "X$msg" = Xno; then
3487 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3488 The following libraries were tried (in order):
3489 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3490 Please try installing whichever of these libraries is most appropriate
3491 for your system, together with its header files.
3492 For example, a libncurses-dev(el) or similar package.])
3495 ## Use termcap instead of terminfo?
3496 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3498 ## FIXME? In the cases below where we unconditionally set
3499 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3500 ## if that was found above to have tputs.
3501 ## Should we use the gnu* logic everywhere?
3503 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3504 ## The ncurses library has been moved out of the System framework in
3505 ## Mac OS X 10.2. So if configure detects it, set the command-line
3506 ## option to use it.
3507 darwin) LIBS_TERMCAP="-lncurses" ;;
3509 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3512 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3513 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3514 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3515 [[#if __FreeBSD_version < 400000
3518 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3520 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3522 if test $emacs_cv_freebsd_terminfo = yes; then
3523 LIBS_TERMCAP="-lncurses"
3526 LIBS_TERMCAP="-ltermcap"
3536 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3538 LIBS_TERMCAP="-ltermcap"
3542 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3544 ## hpux: Make sure we get select from libc rather than from libcurses
3545 ## because libcurses on HPUX 10.10 has a broken version of select.
3546 ## We used to use -lc -lcurses, but this may be cleaner.
3547 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3548 # set that way, now it uses the default). Isn't this a contradiction?
3549 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3553 TERMCAP_OBJ=tparam.o
3554 if test $TERMINFO = yes; then
3555 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3556 TERMCAP_OBJ=terminfo.o
3558 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3559 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3561 AC_SUBST(LIBS_TERMCAP)
3562 AC_SUBST(TERMCAP_OBJ)
3565 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3566 # On Darwin, res_init appears not to be useful: see bug#562 and
3567 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3570 if test $opsys != darwin; then
3572 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3573 #include <arpa/nameser.h>
3574 #include <resolv.h>]],
3575 [[return res_init();]])],
3576 have_res_init=yes, have_res_init=no)
3577 if test "$have_res_init" = no; then
3579 LIBS="$LIBS -lresolv"
3580 AC_MSG_CHECKING(for res_init with -lresolv)
3581 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3582 #include <arpa/nameser.h>
3583 #include <resolv.h>]],
3584 [[return res_init();]])],
3585 have_res_init=yes, have_res_init=no)
3586 AC_MSG_RESULT($have_res_init)
3587 if test "$have_res_init" = yes ; then
3593 if test "$have_res_init" = yes; then
3594 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3598 # Do we need the Hesiod library to provide the support routines?
3599 dnl FIXME? Should we be skipping this on Darwin too?
3601 if test "$with_hesiod" != no ; then
3602 # Don't set $LIBS here -- see comments above. FIXME which comments?
3603 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3604 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3605 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3606 if test "$resolv" = yes ; then
3611 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3612 hesiod=yes, :, $RESOLVLIB)])
3614 if test x"$hesiod" = xyes; then
3620 # Do we need libresolv (due to res_init or Hesiod)?
3621 if test "$resolv" = yes && test $opsys != darwin; then
3628 # These tell us which Kerberos-related libraries to use.
3635 if test "${with_kerberos}" != no; then
3636 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3637 if test $have_com_err = yes; then
3638 COM_ERRLIB=-lcom_err
3639 LIBS="$COM_ERRLIB $LIBS"
3641 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3642 if test $have_crypto = yes; then
3644 LIBS="$CRYPTOLIB $LIBS"
3646 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3647 if test $have_k5crypto = yes; then
3648 CRYPTOLIB=-lk5crypto
3649 LIBS="$CRYPTOLIB $LIBS"
3651 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3652 if test $have_krb5=yes; then
3654 LIBS="$KRB5LIB $LIBS"
3656 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3657 if test "${with_kerberos5}" = no; then
3658 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3659 if test $have_des425 = yes; then
3661 LIBS="$DESLIB $LIBS"
3663 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3664 if test $have_des = yes; then
3666 LIBS="$DESLIB $LIBS"
3669 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3670 if test $have_krb4 = yes; then
3672 LIBS="$KRB4LIB $LIBS"
3674 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3675 if test $have_krb = yes; then
3677 LIBS="$KRB4LIB $LIBS"
3682 if test "${with_kerberos5}" != no; then
3683 AC_CHECK_HEADERS(krb5.h,
3684 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3685 [#include <krb5.h>])])
3687 AC_CHECK_HEADERS(krb.h,,
3688 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3689 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3691 AC_CHECK_HEADERS(com_err.h)
3694 AC_SUBST(COM_ERRLIB)
3700 AC_CHECK_HEADERS(valgrind/valgrind.h)
3702 AC_CHECK_FUNCS_ONCE(tzset)
3703 AC_MSG_CHECKING(whether localtime caches TZ)
3704 AC_CACHE_VAL(emacs_cv_localtime_cache,
3705 [if test x$ac_cv_func_tzset = xyes; then
3706 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3707 char TZ_GMT0[] = "TZ=GMT0";
3708 char TZ_PST8[] = "TZ=PST8";
3711 time_t now = time ((time_t *) 0);
3712 int hour_GMT0, hour_unset;
3713 if (putenv (TZ_GMT0) != 0)
3715 hour_GMT0 = localtime (&now)->tm_hour;
3717 hour_unset = localtime (&now)->tm_hour;
3718 if (putenv (TZ_PST8) != 0)
3720 if (localtime (&now)->tm_hour == hour_GMT0)
3723 if (localtime (&now)->tm_hour != hour_unset)
3726 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3727 [# If we have tzset, assume the worst when cross-compiling.
3728 emacs_cv_localtime_cache=yes])
3730 # If we lack tzset, report that localtime does not cache TZ,
3731 # since we can't invalidate the cache if we don't have tzset.
3732 emacs_cv_localtime_cache=no
3734 AC_MSG_RESULT($emacs_cv_localtime_cache)
3735 if test $emacs_cv_localtime_cache = yes; then
3736 AC_DEFINE(LOCALTIME_CACHE, 1,
3737 [Define to 1 if localtime caches TZ.])
3741 AC_CHECK_FUNC(socket, , ok_so_far=no)
3742 if test $ok_so_far = yes; then
3743 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3745 if test $ok_so_far = yes; then
3746 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3748 if test $ok_so_far = yes; then
3749 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3750 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3751 [Define to 1 if you have inet sockets.])
3754 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3755 dnl This can be removed once we assume Autoconf 2.70.
3757 *-solaris2.4 | *-solaris2.4.*)
3758 dnl Disable the Autoconf-generated vfork test.
3759 : ${ac_cv_func_vfork_works=no};;
3764 AC_CHECK_FUNCS(snprintf)
3766 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3769 AC_MSG_CHECKING([whether GLib is linked in])
3770 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3773 [[g_print ("Hello world");]])],
3776 AC_MSG_RESULT([$links_glib])
3777 if test "${links_glib}" = "yes"; then
3778 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3779 if test "$HAVE_NS" = no;then
3785 dnl Adapted from Haible's version.
3786 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3787 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3788 [[char* cs = nl_langinfo(CODESET);]])],
3789 emacs_cv_langinfo_codeset=yes,
3790 emacs_cv_langinfo_codeset=no)
3792 if test $emacs_cv_langinfo_codeset = yes; then
3793 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3794 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3799 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3800 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3801 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3802 if test "$emacs_cv_c_restrict_arr" = yes; then
3803 AC_DEFINE(__restrict_arr, __restrict,
3804 [Define to compiler's equivalent of C99 restrict keyword in array
3805 declarations. Define as empty for no equivalent.])
3808 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3809 dnl how the tty code is related to POSIX and/or other versions of termios.
3810 dnl The following looks like a useful start.
3812 dnl AC_SYS_POSIX_TERMIOS
3813 dnl if test $ac_cv_sys_posix_termios = yes; then
3814 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3815 dnl and macros for terminal control.])
3816 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3819 dnl Turned on June 1996 supposing nobody will mind it.
3820 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3821 if test "${opsys}" != "mingw32"; then
3822 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3823 in the full name stands for the login id.])
3826 dnl Every platform that uses configure supports this.
3827 dnl There is a create-lockfiles option you can
3828 dnl customize if you do not want the lock files to be written.
3829 dnl So it is not clear that this #define still needs to exist.
3830 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3831 so that Emacs can tell instantly when you try to modify a file that
3832 someone else has modified in his/her Emacs.])
3834 dnl Everybody supports this, except MS.
3835 dnl Seems like the kind of thing we should be testing for, though.
3836 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3837 if test "${opsys}" != "mingw32"; then
3838 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3841 dnl Everybody supports this, except MS-DOS.
3842 dnl Seems like the kind of thing we should be testing for, though.
3843 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3844 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3845 4.2-compatible sockets.])
3847 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3849 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3850 a null file, or a data sink.])
3851 if test "${opsys}" = "mingw32"; then
3852 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3854 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3857 AH_TEMPLATE(SEPCHAR, [Character that separates PATH elements.])
3858 if test "${opsys}" = "mingw32"; then
3859 AC_DEFINE(SEPCHAR, [';'])
3861 AC_DEFINE(SEPCHAR, [':'])
3864 dnl Everybody supports this, except MS-DOS.
3865 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3867 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3870 AC_DEFINE(DIRECTORY_SEP, ['/'],
3871 [Character that separates directories in a file name.])
3873 if test "${opsys}" = "mingw32"; then
3874 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3875 [Returns true if character is a device separator.])
3877 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3878 [Returns true if character is a directory separator.])
3880 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3881 [Returns true if character is any form of separator.])
3883 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3884 [Returns true if character is a device separator.])
3886 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3887 [Returns true if character is a directory separator.])
3889 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3890 [Returns true if character is any form of separator.])
3893 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3897 dnl Unfortunately without libXmu we cannot support EditRes.
3898 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3899 AC_DEFINE(NO_EDITRES, 1)
3904 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3905 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3906 AC_DEFINE(NO_EDITRES, 1)
3912 irix6-5 | sol2* | unixware )
3913 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3914 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3915 dnl need the constant to dimension an array. So wire in the appropriate
3917 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3921 emacs_broken_SIGIO=no
3924 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3925 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3926 hpux* | irix6-5 | openbsd | sol2* | unixware )
3927 emacs_broken_SIGIO=yes
3931 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3932 dnl the way this system works, libc functions that return malloced
3933 dnl memory use the libc malloc implementation. Calling xfree or
3934 dnl xrealloc on the results of such functions results in a crash.
3936 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3937 dnl but that does not currently work on this system.
3939 dnl It is possible to completely override the malloc implementation on
3940 dnl AIX, but that involves putting the malloc functions in a shared
3941 dnl library and setting the MALLOCTYPE environment variable to point to
3942 dnl that shared library.
3944 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3945 dnl to avoid a crash just use the Emacs implementation for that function.
3947 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3948 dnl of this file, so that we do not check for get_current_dir_name
3949 dnl on AIX. But that might be fragile if something else ends
3950 dnl up testing for get_current_dir_name as a dependency.
3951 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3952 get_current_dir_name should not be used.])
3956 dnl Circumvent a bug in FreeBSD. In the following sequence of
3957 dnl writes/reads on a PTY, read(2) returns bogus data:
3959 dnl write(2) 1022 bytes
3960 dnl write(2) 954 bytes, get EAGAIN
3961 dnl read(2) 1024 bytes in process_read_output
3962 dnl read(2) 11 bytes in process_read_output
3964 dnl That is, read(2) returns more bytes than have ever been written
3965 dnl successfully. The 1033 bytes read are the 1022 bytes written
3966 dnl successfully after processing (for example with CRs added if the
3967 dnl terminal is set up that way which it is here). The same bytes will
3968 dnl be seen again in a later read(2), without the CRs.
3969 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
3970 work around an issue when reading from a PTY.])
3976 dnl FIXME Can't we test if this exists (eg /proc/$$)?
3977 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
3982 darwin | dragonfly | freebsd | netbsd | openbsd )
3983 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
3984 close a pty to make it a controlling terminal (it is already a
3985 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
3989 dnl FIXME Surely we can test for this rather than hard-code it.
3991 netbsd | openbsd) sound_device="/dev/audio" ;;
3992 *) sound_device="/dev/dsp" ;;
3996 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
3997 [Name of the default sound device.])
4000 dnl Emacs can read input using SIGIO and buffering characters itself,
4001 dnl or using CBREAK mode and making C-g cause SIGINT.
4002 dnl The choice is controlled by the variable interrupt_input.
4004 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4006 dnl Emacs uses the presence of the USABLE_SIGIO macro
4007 dnl to indicate whether or not signal-driven I/O is possible. It uses
4008 dnl INTERRUPT_INPUT to decide whether to use it by default.
4010 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4011 dnl CBREAK mode has two disadvantages
4012 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4013 dnl I hear that in system V this problem does not exist.
4014 dnl 2) Control-G causes output to be discarded.
4015 dnl I do not know whether this can be fixed in system V.
4017 dnl Another method of doing input is planned but not implemented.
4018 dnl It would have Emacs fork off a separate process
4019 dnl to read the input and send it to the true Emacs process
4022 darwin | gnu-linux | gnu-kfreebsd )
4023 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4028 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4029 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4030 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4031 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4032 dnl taking float or double parameters.
4034 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4035 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4036 file defines `NeedWidePrototypes' as `NO'.])
4041 dnl Used in process.c, this must be a loop, even if it only runs once.
4042 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4043 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4044 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4045 dnl trying suffixes 0-16.
4046 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4047 first PTY, if PTYs are supported.])
4048 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4049 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4050 end of a PTY, if non-standard.])
4051 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4052 end of a PTY, if non-standard.])
4056 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4057 dnl You allocate a pty by opening /dev/ptc to get the master side.
4058 dnl To get the name of the slave side, you just ttyname() the master side.
4059 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4060 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4064 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4065 dnl multi-line AC_DEFINEs are hard. :(
4066 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)])
4067 AC_DEFINE(PTY_NAME_SPRINTF, [])
4068 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4071 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4073 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4074 dnl Not used, because PTY_ITERATION is defined.
4075 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4076 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4077 dnl But we don't have to block SIGCHLD because it is blocked in the
4078 dnl implementation of grantpt.
4079 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (0)])
4080 AC_DEFINE(PTY_NAME_SPRINTF, [])
4081 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4085 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4088 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4090 if test "x$ac_cv_func_grantpt" = xyes; then
4091 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4092 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4093 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4094 dnl to prevent sigchld_handler from intercepting the child's death.
4095 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); }])
4096 dnl if HAVE_POSIX_OPENPT
4097 if test "x$ac_cv_func_posix_openpt" = xyes; then
4098 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (0)])
4099 AC_DEFINE(PTY_NAME_SPRINTF, [])
4101 elif test "x$ac_cv_func_getpt" = xyes; then
4102 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4103 AC_DEFINE(PTY_NAME_SPRINTF, [])
4105 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4108 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4113 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4114 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4115 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4119 dnl It looks like this cannot be right, because it is not a loop.
4120 dnl However, process.c actually does this:
4126 dnl which presumably makes it OK, since irix == sgi (?).
4127 dnl FIXME it seems like this special treatment is unnecessary?
4128 dnl Why can't irix use a single-trip loop like eg cygwin?
4129 AC_DEFINE(PTY_ITERATION, [])
4130 dnl Not used, because PTY_ITERATION is defined.
4131 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4132 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); }])
4133 dnl No need to get the pty name at all.
4134 AC_DEFINE(PTY_NAME_SPRINTF, [])
4135 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4136 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4140 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4141 dnl from intercepting that death. If any child but grantpt's should die
4142 dnl within, it should be caught after sigrelse(2).
4143 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); }])
4147 dnl Comments are as per sol2*.
4148 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); }])
4155 dnl This change means that we don't loop through allocate_pty too
4156 dnl many times in the (rare) event of a failure.
4157 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4158 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4159 dnl Push various streams modules onto a PTY channel. Used in process.c.
4160 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.])
4165 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4166 "typing" a signal character on the pty.])
4169 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4170 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4171 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4172 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4175 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4176 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4177 gnu-linux | gnu-kfreebsd )
4179 AC_MSG_CHECKING([for signals via characters])
4180 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4181 #include <linux/version.h>
4182 #if LINUX_VERSION_CODE < 0x20400
4183 # error "Linux version too old"
4185 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4187 AC_MSG_RESULT([$emacs_signals_via_chars])
4188 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4193 dnl Used in lisp.h, emacs.c, vm-limit.c
4194 dnl NEWS.18 describes this as "a number which contains
4195 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4196 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4197 stored in a Lisp_Object.])
4198 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4202 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4203 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4206 dnl The data segment on this machine always starts at address 0x40000000.
4207 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4210 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4215 AH_TEMPLATE(TAB3, [Undocumented.])
4218 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4220 gnu | dragonfly | freebsd | netbsd | openbsd )
4221 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4222 AC_DEFINE(TAB3, OXTABS)
4225 gnu-linux | gnu-kfreebsd )
4226 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4230 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4231 [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)],
4232 [Mark a secondary stack, like the register stack on the ia64.]), [])
4236 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4237 run_time_remap; for HPUX.])
4242 dnl This won't be used automatically yet. We also need to know, at least,
4243 dnl that the stack is continuous.
4244 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4245 registers relevant for conservative garbage collection in the jmp_buf.])
4249 dnl Not all the architectures are tested, but there are Debian packages
4250 dnl for SCM and/or Guile on them, so the technique must work. See also
4251 dnl comments in alloc.c concerning setjmp and gcc.
4252 dnl Fixme: it's probably safe to just use the GCC conditional below.
4253 gnu-linux | gnu-kfreebsd )
4254 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4255 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4256 || defined __alpha__ || defined __mips__ || defined __s390__ \
4257 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4258 || defined __ia64__ || defined __sh__
4261 # error "setjmp not known to work on this arch"
4263 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4268 if test x$GCC = xyes; then
4269 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4270 AC_DEFINE(GC_SETJMP_WORKS, 1)
4273 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4274 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4275 AC_DEFINE(GC_SETJMP_WORKS, 1)
4280 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4281 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4284 [[#include <setjmp.h>
4286 # define _longjmp longjmp
4291 _longjmp (j, 1);]])],
4292 [emacs_cv_func__setjmp=yes],
4293 [emacs_cv_func__setjmp=no])])
4294 if test $emacs_cv_func__setjmp = yes; then
4295 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4297 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4300 [[#include <setjmp.h>
4303 if (! sigsetjmp (j, 1))
4304 siglongjmp (j, 1);]])],
4305 [emacs_cv_func_sigsetjmp=yes],
4306 [emacs_cv_func_sigsetjmp=no])])
4307 if test $emacs_cv_func_sigsetjmp = yes; then
4308 AC_DEFINE([HAVE_SIGSETJMP], 1,
4309 [Define to 1 if sigsetjmp and siglongjmp work.
4310 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4316 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4317 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4318 dnl and this is all we need.
4319 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4326 dnl Used in xfaces.c.
4327 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4328 some systems, where it requires time.h.])
4333 dnl Define symbols to identify the version of Unix this is.
4334 dnl Define all the symbols that apply correctly.
4335 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4336 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4337 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4338 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4343 dnl This symbol should be defined on AIX Version 3 ???????
4344 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4346 # error "_AIX not defined"
4348 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4352 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4356 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4357 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4358 dnl distinguish OS X from pure Darwin.
4359 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4362 gnu-linux | gnu-kfreebsd )
4364 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4369 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4374 AC_DEFINE(USG5_4, [])
4375 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4379 AC_DEFINE(DOS_NT, [])
4380 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4381 if test "x$ac_enable_checking" != "x" ; then
4382 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4388 AC_DEFINE(USG5_4, [])
4389 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4394 AC_DEFINE(USG5_4, [])
4398 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4401 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4402 emacs_cv_usable_FIONREAD=no
4406 emacs_cv_usable_FIONREAD=yes
4411 [AC_LANG_PROGRAM([[#include <sys/types.h>
4412 #include <sys/ioctl.h>
4414 # include <sys/filio.h>
4417 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4418 [emacs_cv_usable_FIONREAD=yes],
4419 [emacs_cv_usable_FIONREAD=no])
4422 if test $emacs_cv_usable_FIONREAD = yes; then
4423 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4425 if test $emacs_broken_SIGIO = no; then
4426 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4428 [AC_LANG_PROGRAM([[#include <fcntl.h>
4431 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4432 [emacs_cv_usable_SIGIO=yes],
4433 [emacs_cv_usable_SIGIO=no])],
4434 [emacs_cv_usable_SIGIO=yes],
4435 [emacs_cv_usable_SIGIO=no])
4436 if test $emacs_cv_usable_SIGIO = yes; then
4437 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4444 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4445 dnl and on Cygwin prior to version 1.7.24 that becomes the
4446 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4447 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4448 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4449 dnl needed starting with cygwin-1.7.24, and it is no longer
4450 dnl effective starting with glib-2.36. */
4452 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4453 G_SLICE environment variable to "always-malloc" at startup.])
4457 dnl It works to open the pty's tty in the parent (Emacs), then
4458 dnl close and reopen it in the child.
4459 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4460 works to open a pty's tty in the parent process, then close and
4461 reopen it in the child.])
4465 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4466 use VSUSP instead of VSWTCH.])
4470 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4475 # Set up the CFLAGS for real compilation, so we can substitute it.
4476 CFLAGS="$REAL_CFLAGS"
4477 CPPFLAGS="$REAL_CPPFLAGS"
4479 ## Hack to detect a buggy GCC version.
4480 if test "x$GCC" = xyes \
4481 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4482 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4483 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4484 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4487 version=$PACKAGE_VERSION
4489 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4490 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4491 [Short copyright string for this version of Emacs.])
4494 ### Specify what sort of things we'll be editing into Makefile and config.h.
4495 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4497 AC_SUBST(configuration)
4502 AC_SUBST(exec_prefix)
4505 AC_SUBST(sharedstatedir)
4506 AC_SUBST(libexecdir)
4511 AC_SUBST(standardlisppath)
4512 AC_SUBST(locallisppath)
4514 AC_SUBST(x_default_search_path)
4516 AC_SUBST(archlibdir)
4521 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4522 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4523 ## end of LIBX_BASE, but nothing ever set it.
4524 AC_SUBST(LD_SWITCH_X_SITE)
4525 AC_SUBST(C_SWITCH_X_SITE)
4526 AC_SUBST(GNUSTEP_CFLAGS)
4528 ## Used in lwlib/Makefile.in.
4529 AC_SUBST(X_TOOLKIT_TYPE)
4531 AC_SUBST(ns_appbindir)
4532 AC_SUBST(ns_appresdir)
4534 AC_SUBST(GNU_OBJC_CFLAGS)
4535 AC_SUBST(OTHER_FILES)
4537 if test -n "${term_header}"; then
4538 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4539 [Define to the header for the built-in window system.])
4542 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4543 [Define to the canonical Emacs configuration name.])
4544 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4545 [Define to the options passed to configure.])
4546 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4547 define this to include extra configuration information.])
4551 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4558 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4559 AC_DEFINE(HAVE_X_WINDOWS, 1,
4560 [Define to 1 if you want to use the X window system.])
4562 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4564 if test "$HAVE_XFT" = "yes"; then
4565 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4566 elif test "$HAVE_FREETYPE" = "yes"; then
4567 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4577 if test "${USE_X_TOOLKIT}" != "none" ; then
4579 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4580 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4581 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4582 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4583 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4587 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4588 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4592 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4593 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4594 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4598 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4599 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4602 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4605 AC_SUBST(WIDGET_OBJ)
4608 case "$USE_X_TOOLKIT" in
4609 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4610 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4611 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4613 AC_SUBST(TOOLKIT_LIBW)
4615 if test "${opsys}" != "mingw32"; then
4616 if test "$USE_X_TOOLKIT" = "none"; then
4617 LIBXT_OTHER="\$(LIBXSM)"
4618 OLDXMENU_TARGET="really-oldXMenu"
4620 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4621 OLDXMENU_TARGET="really-lwlib"
4624 AC_SUBST(LIBXT_OTHER)
4626 ## The X Menu stuff is present in the X10 distribution, but missing
4627 ## from X11. If we have X10, just use the installed library;
4628 ## otherwise, use our own copy.
4629 if test "${HAVE_X11}" = "yes" ; then
4630 AC_DEFINE(HAVE_X11, 1,
4631 [Define to 1 if you want to use version 11 of X windows.
4632 Otherwise, Emacs expects to use version 10.])
4634 if test "$USE_X_TOOLKIT" = "none"; then
4635 OLDXMENU="\${oldXMenudir}/libXMenu11.a"
4637 OLDXMENU="\${lwlibdir}/liblw.a"
4639 LIBXMENU="\$(OLDXMENU)"
4640 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4641 OLDXMENU_DEPS="\${OLDXMENU} ../src/\${OLDXMENU}"
4643 ## For a syntactically valid Makefile; not actually used for anything.
4644 ## See comments in src/Makefile.in.
4646 ## FIXME This case (!HAVE_X11 && HAVE_X_WINDOWS) is no longer possible(?).
4647 if test "${HAVE_X_WINDOWS}" = "yes"; then
4656 if test "$HAVE_GTK" = "yes" || test "$HAVE_MENUS" != "yes"; then
4663 AC_SUBST(OLDXMENU_TARGET)
4666 AC_SUBST(LIBX_OTHER)
4667 AC_SUBST(OLDXMENU_DEPS)
4669 if test "${HAVE_MENUS}" = "yes" ; then
4670 AC_DEFINE(HAVE_MENUS, 1,
4671 [Define to 1 if you have mouse menus. (This is supported in all configurations, but the option to specify it remains.)])
4674 if test "${GNU_MALLOC}" = "yes" ; then
4675 AC_DEFINE(GNU_MALLOC, 1,
4676 [Define to 1 if you want to use the GNU memory allocator.])
4680 if test "${REL_ALLOC}" = "yes" ; then
4681 AC_DEFINE(REL_ALLOC, 1,
4682 [Define REL_ALLOC if you want to use the relocating allocator for
4685 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4687 AC_SUBST(RALLOC_OBJ)
4689 if test "$opsys" = "cygwin"; then
4690 CYGWIN_OBJ="sheap.o cygw32.o"
4691 ## Cygwin differs because of its unexec().
4693 POST_ALLOC_OBJ=lastfile.o
4694 elif test "$opsys" = "mingw32"; then
4697 POST_ALLOC_OBJ=lastfile.o
4700 PRE_ALLOC_OBJ=lastfile.o
4703 AC_SUBST(CYGWIN_OBJ)
4704 AC_SUBST(PRE_ALLOC_OBJ)
4705 AC_SUBST(POST_ALLOC_OBJ)
4707 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4708 dnl verbatim defined above. The tricky name is apropos, as this hack
4709 dnl makes Fortify go sour!
4710 AH_VERBATIM([FORTIFY_SOUR],
4711 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4712 The workaround disables some useful run-time checking, so it
4713 should be conditional to the platforms with the performance bug.
4714 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4715 #if defined __APPLE__ && defined __GNUC__
4716 # ifndef _DONT_USE_CTYPE_INLINE_
4717 # define _DONT_USE_CTYPE_INLINE_
4719 # ifndef _FORTIFY_SOURCE
4720 # define _FORTIFY_SOURCE 0
4725 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4726 # it temporarily reverts them to their pre-pkg-config values,
4727 # because gnulib needs to work with both src (which uses the
4728 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4729 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4730 # and it therefore needs to run in an environment where LIBS does not
4731 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4732 # for some package unrelated to lib-src.
4735 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4736 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4737 gl_ASSERT_NO_GNULIB_POSIXCHECK
4738 gl_ASSERT_NO_GNULIB_TESTS
4743 if test "${opsys}" = "mingw32"; then
4744 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4745 # Remove unneeded switches from the value of CC that goes to Makefiles
4746 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4750 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4753 ## The -headerpad option tells ld (see man page) to leave room at the
4754 ## end of the header for adding load commands. Needed for dumping.
4755 ## 0x690 is the total size of 30 segment load commands (at 56
4756 ## each); under Cocoa 31 commands are required.
4757 if test "$HAVE_NS" = "yes"; then
4758 libs_nsgui="-framework AppKit"
4759 if test "$NS_IMPL_COCOA" = "yes"; then
4760 libs_nsgui="$libs_nsgui -framework IOKit"
4767 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4769 ## This is here because src/Makefile.in did some extra fiddling around
4770 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4771 ## LD_SWITCH_SYSTEM_TEMACS instead,
4772 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4773 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4776 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4777 ## find X at run-time.
4778 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4779 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4780 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4781 ## had different values in configure (in ac_link) and src/Makefile.in.
4782 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4783 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4786 ## MinGW64 does not prepend an underscore to symbols, so we must
4787 ## pass a different -entry switch to linker. FIXME: It is better
4788 ## to make the entry points the same by changing unexw32.c.
4789 case "$canonical" in
4790 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4791 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4795 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4797 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4800 if test x$ac_enable_profiling != x ; then
4802 *freebsd | gnu-linux) ;;
4803 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4807 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4809 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4811 ## MinGW-specific post-link processing of temacs.
4812 TEMACS_POST_LINK=":"
4815 if test "${opsys}" = "mingw32"; then
4816 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4817 ADDSECTION="../nt/addsection\$(EXEEXT)"
4818 ## Preload heap size of temacs.exe in MB.
4819 case "$canonical" in
4820 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4821 *) EMACS_HEAPSIZE=27 ;;
4825 AC_SUBST(ADDSECTION)
4826 AC_SUBST(TEMACS_POST_LINK)
4827 AC_SUBST(EMACS_HEAPSIZE)
4829 ## Common for all window systems
4830 if test "$window_system" != "none"; then
4831 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4832 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4835 AC_SUBST(WINDOW_SYSTEM_OBJ)
4837 AH_TOP([/* GNU Emacs site configuration template file.
4839 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4840 Free Software Foundation, Inc.
4842 This file is part of GNU Emacs.
4844 GNU Emacs is free software: you can redistribute it and/or modify
4845 it under the terms of the GNU General Public License as published by
4846 the Free Software Foundation, either version 3 of the License, or
4847 (at your option) any later version.
4849 GNU Emacs is distributed in the hope that it will be useful,
4850 but WITHOUT ANY WARRANTY; without even the implied warranty of
4851 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4852 GNU General Public License for more details.
4854 You should have received a copy of the GNU General Public License
4855 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4858 /* No code in Emacs #includes config.h twice, but some bits of code
4859 intended to work with other packages as well (like gmalloc.c)
4860 think they can include it as many times as they like. */
4861 #ifndef EMACS_CONFIG_H
4862 #define EMACS_CONFIG_H
4865 AH_BOTTOM([#include <conf_post.h>
4867 #endif /* EMACS_CONFIG_H */
4876 #### Report on what we decided to do.
4877 #### Report GTK as a toolkit, even if it doesn't use Xt.
4878 #### It makes printing result more understandable as using GTK sets
4879 #### toolkit_scroll_bars to yes by default.
4880 if test "${HAVE_GTK}" = "yes"; then
4881 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4884 if test $USE_ACL -ne 0; then
4885 acl_summary="yes $LIB_ACL"
4891 Configured for \`${canonical}'.
4893 Where should the build process find the source code? ${srcdir}
4894 What compiler should emacs be built with? ${CC} ${CFLAGS}
4895 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4896 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4897 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4898 What window system should Emacs use? ${window_system}
4899 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4901 if test -n "${x_includes}"; then
4902 echo " Where do we find X Windows header files? ${x_includes}"
4904 echo " Where do we find X Windows header files? Standard dirs"
4906 if test -n "${x_libraries}"; then
4907 echo " Where do we find X Windows libraries? ${x_libraries}"
4909 echo " Where do we find X Windows libraries? Standard dirs"
4912 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4913 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4914 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4915 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4916 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4917 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4918 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4919 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4921 echo " Does Emacs support sound? ${HAVE_SOUND}"
4923 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4924 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4925 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4926 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4927 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4928 echo " Does Emacs use access control lists? ${acl_summary}"
4929 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4930 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4931 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4933 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4934 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4935 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4936 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4937 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4939 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4942 if test -n "${EMACSDATA}"; then
4943 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4945 if test -n "${EMACSDOC}"; then
4946 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4951 if test "$HAVE_NS" = "yes"; then
4953 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4954 The installed application will go to nextstep/Emacs.app and can be
4955 run or moved from there."
4956 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4957 echo "The application will be fully self-contained."
4959 echo "The lisp resources for the application will be installed under ${prefix}.
4960 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4961 to run if these resources are not installed."
4966 if test "${opsys}" = "cygwin"; then
4968 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4974 # Remove any trailing slashes in these variables.
4975 [test "${prefix}" != NONE &&
4976 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4977 test "${exec_prefix}" != NONE &&
4978 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4980 if test "$HAVE_NS" = "yes"; then
4981 if test "$NS_IMPL_GNUSTEP" = yes; then
4982 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4983 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4984 ns_check_file=Resources/Info-gnustep.plist
4986 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4987 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
4988 ns_check_file=Contents/Info.plist
4990 AC_SUBST(ns_check_file)
4993 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
4994 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
4995 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
4996 dnl (else you get "no `Makefile.am' found for any configure output").
4997 dnl This will work, but you get a config.status that is not quite right
4998 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
4999 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5000 dnl it seems better to just live with the duplication.
5001 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5003 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5004 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5005 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5006 leim/Makefile nextstep/Makefile nt/Makefile])
5008 dnl test/ is not present in release tarfiles.
5009 opt_makefile=test/automated/Makefile
5011 if test -f "$srcdir/$opt_makefile.in"; then
5012 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5013 dnl Again, it's best not to use a variable. Though you can add
5014 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5015 AC_CONFIG_FILES([test/automated/Makefile])
5019 dnl admin/ may or may not be present.
5020 opt_makefile=admin/unidata/Makefile
5022 if test -f "$srcdir/$opt_makefile.in"; then
5023 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5024 AC_CONFIG_FILES([admin/unidata/Makefile])
5028 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5030 AC_SUBST(SUBDIR_MAKEFILES_IN)
5032 dnl You might wonder (I did) why epaths.h is generated by running make,
5033 dnl rather than just letting configure generate it from epaths.in.
5034 dnl One reason is that the various paths are not fully expanded (see above);
5035 dnl eg gamedir=${prefix}/var/games/emacs.
5036 dnl Secondly, the GNU Coding standards require that one should be able
5037 dnl to run `make prefix=/some/where/else' and override the values set
5038 dnl by configure. This also explains the `move-if-change' test and
5039 dnl the use of force in the `epaths-force' rule in Makefile.in.
5040 AC_CONFIG_COMMANDS([src/epaths.h], [
5041 if test "${opsys}" = "mingw32"; then
5042 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5044 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5046 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5048 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5049 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5051 AC_CONFIG_COMMANDS([src/.gdbinit], [
5052 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5053 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit