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 if test "x$MSYSTEM" = "xMINGW32"
29 . $srcdir/nt/mingw-cfg.site
33 # srcdir is an absolute path. In this case, force the format
34 # "/c/foo/bar", to simplify later conversions to native Windows
35 # format ("c:/foo/bar")
36 srcdir=`cd "${srcdir}" && pwd -W`
37 srcdir="/${srcdir:0:1}${srcdir:2}"
42 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
43 dnl and then quoted again for a C string. Separate options with spaces.
44 dnl Add some environment variables, if they were passed via the environment
45 dnl rather than on the command-line.
48 dnl This is the documented way to record the args passed to configure,
49 dnl rather than $ac_configure_args.
50 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
52 -n | --no-create | --no-recursion)
54 CFLAGS | CPPFLAGS | LDFLAGS)
55 eval 'test "${'$opt'+set}" = set' || continue
57 *" $opt="*) continue ;;
59 eval opt=$opt=\$$opt ;;
62 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
64 *[["$emacs_shell_specials"]]*)
67 emacs_quote_apostrophes="s/'/'\\\\''/g"
68 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
73 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
74 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
77 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
81 AC_CONFIG_HEADERS(src/config.h:src/config.in)
82 AC_CONFIG_SRCDIR(src/lisp.h)
83 AC_CONFIG_AUX_DIR(build-aux)
86 AC_CHECK_PROGS(XCRUN, [xcrun])
87 if test -n "$XCRUN"; then
88 AC_CHECK_PROGS(MAKE, [make "$XCRUN make"])
89 test -n "$MAKE" && export MAKE
90 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
93 dnl Fairly arbitrary, older versions might work too.
94 AM_INIT_AUTOMAKE(1.11)
96 dnl Support for --program-prefix, --program-suffix and
97 dnl --program-transform-name options
100 dnl It is important that variables on the RHS not be expanded here,
101 dnl hence the single quotes. This is per the GNU coding standards, see
102 dnl (autoconf) Installation Directory Variables
103 dnl See also epaths.h below.
104 lispdir='${datadir}/emacs/${version}/lisp'
105 standardlisppath='${lispdir}'
106 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
107 '${datadir}/emacs/site-lisp'
108 lisppath='${locallisppath}:${standardlisppath}'
109 etcdir='${datadir}/emacs/${version}/etc'
110 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
111 etcdocdir='${datadir}/emacs/${version}/etc'
112 gamedir='${localstatedir}/games/emacs'
114 dnl Special option to disable the most of other options.
116 [AS_HELP_STRING([--without-all],
117 [omit almost all features and build
118 small executable with minimal dependencies])],
119 [with_features=$withval],
122 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
123 dnl Create a new --with option that defaults to being disabled.
124 dnl NAME is the base name of the option. The shell variable with_NAME
125 dnl will be set to either the user's value (if the option is
126 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
127 dnl option is not specified). Note that the shell variable name is
128 dnl constructed as autoconf does, by replacing non-alphanumeric
129 dnl characters with "_".
130 dnl HELP-STRING is the help text for the option.
131 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
132 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
133 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
136 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
137 dnl Create a new --with option that defaults to $with_features.
138 dnl NAME is the base name of the option. The shell variable with_NAME
139 dnl will be set either to 'no' (for a plain --without-NAME) or to
140 dnl 'yes' (if the option is not specified). Note that the shell
141 dnl variable name is constructed as autoconf does, by replacing
142 dnl non-alphanumeric characters with "_".
143 dnl HELP-STRING is the help text for the option.
144 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
145 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
146 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
149 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
150 if test "$with_pop" = yes; then
151 AC_DEFINE(MAIL_USE_POP)
153 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
155 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
156 if test "$with_kerberos" != no; then
159 AH_TEMPLATE(KERBEROS,
160 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
162 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
163 if test "${with_kerberos5}" != no; then
164 if test "${with_kerberos}" = no; then
168 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
171 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
172 dnl FIXME hesiod support may not be present, so it seems like an error
173 dnl to define, or at least use, this unconditionally.
174 if test "$with_hesiod" != no; then
175 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
178 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
179 if test "$with_mmdf" != no; then
180 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
183 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
184 if test "$with_mail_unlink" != no; then
185 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
188 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
189 [string giving default POP mail host])],
190 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
192 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
193 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
194 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
195 [ case "${withval}" in
196 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
197 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
198 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
203 [with_sound=$with_features])
205 dnl FIXME currently it is not the last.
206 dnl This should be the last --with option, because --with-x is
207 dnl added later on when we find the file name of X, and it's best to
208 dnl keep them together visually.
209 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
210 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
211 [ case "${withval}" in
212 y | ye | yes ) val=gtk ;;
214 l | lu | luc | luci | lucid ) val=lucid ;;
215 a | at | ath | athe | athen | athena ) val=athena ;;
216 m | mo | mot | moti | motif ) val=motif ;;
217 g | gt | gtk ) val=gtk ;;
221 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
222 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
223 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
224 `athena' and `lucid' are synonyms.])
230 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
231 if test "$with_wide_int" = yes; then
232 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
235 dnl _ON results in a '--without' option in the --help output, so
236 dnl the help text should refer to "don't compile", etc.
237 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
238 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
239 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
240 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
241 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
242 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
243 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
244 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
246 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
247 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
248 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
250 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
251 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
252 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
253 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
254 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
256 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
257 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
258 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
259 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
260 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
261 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
262 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
264 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
265 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
266 [ case "${withval}" in
267 y | ye | yes ) val=yes ;;
269 g | gf | gfi | gfil | gfile ) val=gfile ;;
270 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
271 w | w3 | w32 ) val=w32 ;;
272 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
273 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
274 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
275 otherwise for the first of `gfile' or `inotify' that is usable.])
278 with_file_notification=$val
280 [with_file_notification=$with_features])
282 ## For the times when you want to build Emacs but don't have
283 ## a suitable makeinfo, and can live without the manuals.
284 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
285 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
287 ## Makefile.in needs the cache file name.
290 ## This is an option because I do not know if all info/man support
291 ## compressed files, nor how to test if they do so.
292 OPTION_DEFAULT_ON([compress-install],
293 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
294 make GZIP_PROG= install])
296 AC_ARG_WITH([pkg-config-prog],dnl
297 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
298 [file name of pkg-config for finding GTK and librsvg])])
299 if test "X${with_pkg_config_prog}" != X; then
300 if test "${with_pkg_config_prog}" != yes; then
301 PKG_CONFIG="${with_pkg_config_prog}"
305 AC_ARG_WITH(gameuser,dnl
306 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
307 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
308 && gameuser="${with_gameuser}"
309 test "X$gameuser" = X && gameuser=games
311 AC_ARG_WITH([gnustep-conf],dnl
312 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
313 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
314 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
315 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
316 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
317 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
319 AC_ARG_ENABLE(ns-self-contained,
320 [AS_HELP_STRING([--disable-ns-self-contained],
321 [disable self contained build under NeXTstep])],
322 EN_NS_SELF_CONTAINED=$enableval,
323 EN_NS_SELF_CONTAINED=yes)
325 AC_ARG_ENABLE(locallisppath,
326 [AS_HELP_STRING([--enable-locallisppath=PATH],
327 [directories Emacs should search for lisp files specific
329 if test "${enableval}" = "no"; then
331 elif test "${enableval}" != "yes"; then
332 locallisppath=${enableval}
335 AC_ARG_ENABLE(checking,
336 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
337 [enable expensive run-time checks. With LIST,
338 enable only specific categories of checks.
339 Categories are: all,yes,no.
340 Flags are: stringbytes, stringoverrun, stringfreelist,
341 xmallocoverrun, conslist, glyphs])],
342 [ac_checking_flags="${enableval}"],[])
343 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
344 for check in $ac_checking_flags
347 # these set all the flags to specific states
348 yes) ac_enable_checking=1 ;;
349 no) ac_enable_checking= ;
350 ac_gc_check_stringbytes= ;
351 ac_gc_check_string_overrun= ;
352 ac_gc_check_string_free_list= ;
353 ac_xmalloc_overrun= ;
354 ac_gc_check_cons_list= ;
356 all) ac_enable_checking=1 ;
357 ac_gc_check_stringbytes=1 ;
358 ac_gc_check_string_overrun=1 ;
359 ac_gc_check_string_free_list=1 ;
360 ac_xmalloc_overrun=1 ;
361 ac_gc_check_cons_list=1 ;
363 # these enable particular checks
364 stringbytes) ac_gc_check_stringbytes=1 ;;
365 stringoverrun) ac_gc_check_string_overrun=1 ;;
366 stringfreelist) ac_gc_check_string_free_list=1 ;;
367 xmallocoverrun) ac_xmalloc_overrun=1 ;;
368 conslist) ac_gc_check_cons_list=1 ;;
369 glyphs) ac_glyphs_debug=1 ;;
370 *) AC_MSG_ERROR(unknown check category $check) ;;
375 if test x$ac_enable_checking != x ; then
376 AC_DEFINE(ENABLE_CHECKING, 1,
377 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
379 if test x$ac_gc_check_stringbytes != x ; then
380 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
381 [Define this temporarily to hunt a bug. If defined, the size of
382 strings is redundantly recorded in sdata structures so that it can
383 be compared to the sizes recorded in Lisp strings.])
385 if test x$ac_gc_check_string_overrun != x ; then
386 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
387 [Define this to check for short string overrun.])
389 if test x$ac_gc_check_string_free_list != x ; then
390 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
391 [Define this to check the string free list.])
393 if test x$ac_xmalloc_overrun != x ; then
394 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
395 [Define this to check for malloc buffer overrun.])
397 if test x$ac_gc_check_cons_list != x ; then
398 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
399 [Define this to check for errors in cons list.])
401 if test x$ac_glyphs_debug != x ; then
402 AC_DEFINE(GLYPH_DEBUG, 1,
403 [Define this to enable glyphs debugging code.])
406 AC_ARG_ENABLE(check-lisp-object-type,
407 [AS_HELP_STRING([--enable-check-lisp-object-type],
408 [enable compile time checks for the Lisp_Object data type.
409 This is useful for development for catching certain types of bugs.])],
410 if test "${enableval}" != "no"; then
411 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
412 [Define this to enable compile time checks for the Lisp_Object data type.])
416 dnl The name of this option is unfortunate. It predates, and has no
417 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
418 dnl Actually, it stops it working.
419 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
420 AC_ARG_ENABLE(profiling,
421 [AS_HELP_STRING([--enable-profiling],
422 [build emacs with low-level, gprof profiling support.
423 Mainly useful for debugging Emacs itself. May not work on
424 all platforms. Stops profiler.el working.])],
425 [ac_enable_profiling="${enableval}"],[])
426 if test x$ac_enable_profiling != x ; then
427 PROFILING_CFLAGS="-DPROFILING=1 -pg"
431 AC_SUBST(PROFILING_CFLAGS)
433 AC_ARG_ENABLE(autodepend,
434 [AS_HELP_STRING([--enable-autodepend],
435 [automatically generate dependencies to .h-files.
436 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
438 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
440 AC_ARG_ENABLE(gtk-deprecation-warnings,
441 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
442 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
443 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
445 ### Canonicalize the configuration name.
449 configuration=${host_alias-${build_alias-$host}}
451 dnl This used to use changequote, but, apart from `changequote is evil'
452 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
453 dnl the great gob of text. Thus it's not processed for possible expansion.
454 dnl Just make sure the brackets remain balanced.
456 dnl Since Emacs can't find matching pairs of quotes, boundaries are
457 dnl indicated by comments.
461 ### If you add support for a new configuration, add code to this
462 ### switch statement to recognize your configuration name and select
463 ### the appropriate operating system file.
465 ### You would hope that you could choose an s/*.h
466 ### file based on the operating system portion. However, it turns out
467 ### that each s/*.h file is pretty manufacturer-specific.
468 ### So we basically have to have a special case for each
469 ### configuration name.
471 ### As far as handling version numbers on operating systems is
472 ### concerned, make sure things will fail in a fixable way. If
473 ### /etc/MACHINES doesn't say anything about version numbers, be
474 ### prepared to handle anything reasonably. If version numbers
475 ### matter, be sure /etc/MACHINES says something about it.
478 case "${canonical}" in
480 ## GNU/Linux and similar ports
495 ## FreeBSD kernel + glibc based userland
510 ## Apple Darwin / Mac OS X
512 case "${canonical}" in
519 ## Use fink packages if available.
520 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
521 ## if test -d /sw/include && test -d /sw/lib; then
522 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
523 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
532 ## HP 9000 series 700 and 800, running HP/UX
536 hppa*-hp-hpux1[1-9]* )
538 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
542 rs6000-ibm-aix4.[23]* )
545 powerpc-ibm-aix4.[23]* )
548 rs6000-ibm-aix[56]* )
551 powerpc-ibm-aix[56]* )
555 ## Silicon Graphics machines
559 # Without defining _LANGUAGE_C, things get masked out in the headers
560 # so that, for instance, grepping for `free' in stdlib.h fails and
561 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
562 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
567 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
568 | x86_64-*-solaris2* | x86_64-*-sunos5*)
569 case "${canonical}" in
571 amd64-*-*|x86_64-*-*) ;;
575 case "${canonical}" in
576 *-sunos5.6* | *-solaris2.6* )
580 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
582 emacs_check_sunpro_c=yes
584 *-sunos5* | *-solaris* )
586 emacs_check_sunpro_c=yes
589 ## Watch out for a compiler that we know will not work.
590 case "${canonical}" in
591 *-solaris* | *-sunos5* )
592 if [ "x$CC" = x/usr/ucb/cc ]; then
593 ## /usr/ucb/cc doesn't work;
594 ## we should find some other compiler that does work.
602 ## Intel 386 machines where we don't care about the manufacturer.
604 case "${canonical}" in
605 *-darwin* ) opsys=darwin ;;
608 # MinGW overrides and adds some system headers in nt/inc.
609 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
611 *-sysv4.2uw* ) opsys=unixware ;;
612 *-sysv5uw* ) opsys=unixware ;;
613 *-sysv5OpenUNIX* ) opsys=unixware ;;
614 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
623 ### If the code above didn't choose an operating system, just choose
624 ### an operating system based on the configuration name. You really
625 ### only want to use this when you have no idea what the right
626 ### operating system is; if you know what operating systems a machine
627 ### runs, it's cleaner to make it explicit in the case statement
629 if test x"${opsys}" = x; then
630 case "${canonical}" in
631 *-gnu* ) opsys=gnu ;;
641 if test $unported = yes; then
642 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
643 Check `etc/MACHINES' for recognized configuration names.])
647 #### Choose a compiler.
649 dnl Sets GCC=yes if using gcc.
651 if test -n "$XCRUN"; then
652 if test -z "$CC"; then
653 if $XCRUN gcc --version >/dev/null 2>&1; then
655 elif $XCRUN clang --version >/dev/null 2>&1; then
659 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
660 test -n "$AR" && export AR
664 if test x$GCC = xyes; then
665 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
667 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
670 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
671 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
672 dnl that clash with MinGW.
673 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
675 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
676 AC_DEFUN([gl_CRYPTO_CHECK])
677 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
678 # as we don't use them.
679 AC_DEFUN([gl_FCNTL_O_FLAGS])
680 # Avoid gnulib's threadlib module, as we do threads our own way.
681 AC_DEFUN([gl_THREADLIB])
683 # Initialize gnulib right after choosing the compiler.
684 dnl Amongst other things, this sets AR and ARFLAGS.
687 if test "$ac_test_CFLAGS" != set; then
688 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
689 # if -g3 works and the user does not specify CFLAGS.
690 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
693 emacs_g3_CFLAGS='-g3';;
695 emacs_g3_CFLAGS='-g3 -O2';;
699 if test -n "$emacs_g3_CFLAGS"; then
700 emacs_save_CFLAGS=$CFLAGS
701 CFLAGS=$emacs_g3_CFLAGS
702 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
703 [emacs_cv_prog_cc_g3],
704 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
705 [emacs_cv_prog_cc_g3=yes],
706 [emacs_cv_prog_cc_g3=no])])
707 if test $emacs_cv_prog_cc_g3 != yes; then
708 CFLAGS=$emacs_save_CFLAGS
710 if test $opsys = mingw32; then
711 CFLAGS="$CFLAGS -gdwarf-2"
718 # No optimization flag was inferred for this non-GCC compiler.
719 # Try -O. This is needed for xlc on AIX; see Bug#14258.
720 emacs_save_CFLAGS=$CFLAGS
721 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
723 AC_CACHE_CHECK([whether $CC accepts -O],
724 [emacs_cv_prog_cc_o],
725 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
726 [emacs_cv_prog_cc_o=yes],
727 [emacs_cv_prog_cc_o=no])])
728 if test $emacs_cv_prog_cc_o != yes; then
729 CFLAGS=$emacs_save_CFLAGS
734 AC_ARG_ENABLE([gcc-warnings],
735 [AS_HELP_STRING([--enable-gcc-warnings],
736 [turn on lots of GCC warnings/errors. This is intended for
737 developers, and may generate false alarms when used
738 with older or non-GNU development tools.])],
741 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
743 gl_gcc_warnings=$enableval],
747 AC_ARG_ENABLE(link-time-optimization,
748 [AS_HELP_STRING([--enable-link-time-optimization],
749 [build emacs with link-time optimization.
750 This is supported only for GCC since 4.5.0.])],
751 if test "${enableval}" != "no"; then
752 AC_MSG_CHECKING([whether link-time optimization is supported])
754 if test x$GCC = xyes; then
755 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
756 if test x$CPUS != x; then
762 CFLAGS="$CFLAGS $LTO"
763 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
764 [ac_lto_supported=yes], [ac_lto_supported=no])
767 AC_MSG_RESULT([$ac_lto_supported])
768 if test "$ac_lto_supported" = "yes"; then
769 CFLAGS="$CFLAGS $LTO"
773 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
774 # ------------------------------------------------
775 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
776 # Otherwise, run RUN-IF-NOT-FOUND.
777 AC_DEFUN([gl_GCC_VERSION_IFELSE],
781 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
784 # error "your version of gcc is older than $1.$2"
791 # clang is unduly picky about some things.
792 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
799 [emacs_cv_clang=yes],
800 [emacs_cv_clang=no])])
802 # When compiling with GCC, prefer -isystem to -I when including system
803 # include files, to avoid generating useless diagnostics for the files.
804 if test "$gl_gcc_warnings" != yes; then
806 if test "$emacs_cv_clang" = yes
808 # Turn off some warnings if supported.
809 gl_WARN_ADD([-Wno-switch])
810 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
811 gl_WARN_ADD([-Wno-pointer-sign])
816 # This, $nw, is the list of warnings we disable.
819 case $with_x_toolkit in
820 lucid | athena | motif)
821 # Old toolkits mishandle 'const'.
822 nw="$nw -Wwrite-strings"
825 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
828 AC_SUBST([WERROR_CFLAGS])
830 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
831 nw="$nw -Woverlength-strings" # Not a problem these days
832 nw="$nw -Wlogical-op" # any use of fwrite provokes this
833 nw="$nw -Wformat-nonliteral" # we do this a lot
834 nw="$nw -Wvla" # warnings in gettext.h
835 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
836 nw="$nw -Wswitch-default" # Too many warnings for now
837 nw="$nw -Winline" # OK to ignore 'inline'
838 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
839 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
840 # signed overflow has undefined behavior
841 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
842 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
843 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
845 # Emacs doesn't care about shadowing; see
846 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
849 # Emacs's use of alloca inhibits protecting the stack.
850 nw="$nw -Wstack-protector"
852 # The following line should be removable at some point.
853 nw="$nw -Wsuggest-attribute=pure"
855 # This part is merely for shortening the command line,
856 # since -Wno-FOO needs to be added below regardless.
857 nw="$nw -Wmissing-field-initializers"
859 nw="$nw -Wtype-limits"
860 nw="$nw -Wunused-parameter"
862 if test $emacs_cv_clang = yes; then
863 nw="$nw -Wcast-align"
866 gl_MANYWARN_ALL_GCC([ws])
867 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
871 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
872 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
873 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
874 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
875 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
876 gl_WARN_ADD([-Wno-format-nonliteral])
878 # In spite of excluding -Wlogical-op above, it is enabled, as of
879 # gcc 4.5.0 20090517.
880 gl_WARN_ADD([-Wno-logical-op])
882 # More things that clang is unduly picky about.
883 if test $emacs_cv_clang = yes; then
884 gl_WARN_ADD([-Wno-format-extra-args])
885 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
886 gl_WARN_ADD([-Wno-unused-command-line-argument])
887 gl_WARN_ADD([-Wno-unused-value])
890 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
891 AH_VERBATIM([FORTIFY_SOURCE],
892 [/* Enable compile-time and run-time bounds-checking, and some warnings,
893 without upsetting glibc 2.15+. */
894 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
895 # define _FORTIFY_SOURCE 2
898 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
900 # We use a slightly smaller set of warning options for lib/.
901 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
903 nw="$nw -Wunused-macros"
905 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
906 AC_SUBST([GNULIB_WARN_CFLAGS])
911 dnl Some other nice autoconf tests.
912 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
915 dnl if test "x$RANLIB" = x; then
920 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
921 dnl can be made to directories. This is not relevant for our usage, and
922 dnl excludes some cases that work fine for us. Eg MS Windows or files
923 dnl hosted on AFS, both examples where simple links work, but links to
924 dnl directories fail. We use a cut-down version instead.
927 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
928 rm -f conf$$ conf$$.file
930 LN_S_FILEONLY='cp -p'
932 if (echo >conf$$.file) 2>/dev/null; then
933 if ln -s conf$$.file conf$$ 2>/dev/null; then
934 LN_S_FILEONLY='ln -s'
935 elif ln conf$$.file conf$$ 2>/dev/null; then
940 rm -f conf$$ conf$$.file
942 if test "$LN_S_FILEONLY" = "ln -s"; then
945 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
948 AC_SUBST(LN_S_FILEONLY)
951 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
952 dnl doesn't support links to directories, as in "ln file dir". But that
953 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
954 dnl executables at "make install" time.
955 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
956 dnl for more details.
957 if test "$opsys" = "mingw32"; then
961 AC_PATH_PROG(INSTALL_INFO, install-info, :,
962 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
963 dnl Don't use GZIP, which is used by gzip for additional parameters.
964 AC_PATH_PROG(GZIP_PROG, gzip)
966 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
967 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
969 if test $opsys = gnu-linux; then
970 AC_PATH_PROG(PAXCTL, paxctl,,
971 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
972 if test "X$PAXCTL" != X; then
973 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
974 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
975 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
976 else AC_MSG_RESULT(no); PAXCTL=""; fi])
980 ## Need makeinfo >= 4.7 (?) to build the manuals.
981 AC_PATH_PROG(MAKEINFO, makeinfo, no)
982 dnl By this stage, configure has already checked for egrep and set EGREP,
983 dnl or exited with an error if no egrep was found.
984 if test "$MAKEINFO" != "no"; then
986 $MAKEINFO --version 2> /dev/null |
987 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
993 ## Makeinfo is unusual. For a released Emacs, the manuals are
994 ## pre-built, and not deleted by the normal clean rules. makeinfo is
995 ## therefore in the category of "special tools" not normally required, which
996 ## configure does not have to check for (eg autoconf itself).
997 ## In a Bazaar checkout on the other hand, the manuals are not included.
998 ## So makeinfo is a requirement to build from Bazaar, and configure
999 ## should test for it as it does for any other build requirement.
1000 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1001 ## with pre-built manuals, from a Bazaar checkout.
1004 if test "$MAKEINFO" = "no"; then
1006 if test "x${with_makeinfo}" = "xno"; then
1008 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1009 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1010 source tree does not seem to have pre-built manuals in the `info' directory.
1011 Either install a suitable version of makeinfo, or re-run configure
1012 with the `--without-makeinfo' option to build without the manuals.] )
1015 AC_SUBST(HAVE_MAKEINFO)
1017 dnl Just so that there is only a single place we need to edit.
1019 INFO_OPTS=--no-split
1023 if test $opsys = mingw32; then
1024 DOCMISC_W32=efaq-w32
1028 AC_SUBST(DOCMISC_W32)
1030 dnl Add our options to ac_link now, after it is set up.
1032 if test x$GCC = xyes; then
1033 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1034 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1036 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1037 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1040 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1041 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1042 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1043 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1044 dnl if not built to support GNU ld.
1046 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1047 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1048 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1049 dnl Eg "make LDFLAGS=... all" could run into problems,
1050 dnl http://bugs.debian.org/684788
1051 dnl * unnecessary, since temacs is the only thing that actually needs it.
1052 dnl Indeed this is where it was originally, prior to:
1053 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1054 late_LDFLAGS="$LDFLAGS"
1055 if test x$GCC = xyes; then
1056 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1058 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1061 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1063 AC_MSG_CHECKING([for -znocombreloc])
1064 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1065 [AC_MSG_RESULT(yes)],
1066 LDFLAGS_NOCOMBRELOC=
1067 [AC_MSG_RESULT(no)])
1069 LDFLAGS="$late_LDFLAGS"
1071 AC_CACHE_CHECK([whether addresses are sanitized],
1072 [emacs_cv_sanitize_address],
1075 [[#ifndef __has_feature
1076 #define __has_feature(f) 0
1078 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1080 #error "Addresses are not sanitized."
1083 [emacs_cv_sanitize_address=yes],
1084 [emacs_cv_sanitize_address=no])])
1086 dnl The function dump-emacs will not be defined and temacs will do
1087 dnl (load "loadup") automatically unless told otherwise.
1088 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1090 your-opsys-here) CANNOT_DUMP=yes ;;
1093 if test "$CANNOT_DUMP" = "yes"; then
1094 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1095 elif test "$emacs_cv_sanitize_address" = yes; then
1096 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1099 AC_SUBST(CANNOT_DUMP)
1102 UNEXEC_OBJ=unexelf.o
1104 # MSDOS uses unexcoff.o
1106 UNEXEC_OBJ=unexaix.o
1112 UNEXEC_OBJ=unexmacosx.o
1115 UNEXEC_OBJ=unexhp9k800.o
1118 UNEXEC_OBJ=unexw32.o
1121 # Use the Solaris dldump() function, called from unexsol.c, to dump
1122 # emacs, instead of the generic ELF dump code found in unexelf.c.
1123 # The resulting binary has a complete symbol table, and is better
1124 # for debugging and other observability tools (debuggers, pstack, etc).
1126 # If you encounter a problem using dldump(), please consider sending
1127 # a message to the OpenSolaris tools-linking mailing list:
1128 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1130 # It is likely that dldump() works with older Solaris too, but this has
1131 # not been tested, so for now this change is for Solaris 10 or newer.
1132 UNEXEC_OBJ=unexsol.o
1139 ## Let `ld' find image libs and similar things in /usr/local/lib.
1140 ## The system compiler, GCC, has apparently been modified to not
1141 ## look there, contrary to what a stock GCC would do.
1142 ### It's not our place to do this. See bug#10313#17.
1143 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1148 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1149 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1153 ### It's not our place to do this. See bug#10313#17.
1154 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1159 ## Han Boetes <han@boetes.org> says this is necessary,
1160 ## otherwise Emacs dumps core on elf systems.
1161 LD_SWITCH_SYSTEM="-Z"
1164 AC_SUBST(LD_SWITCH_SYSTEM)
1166 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1168 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1169 ## which has not been defined yet. When this was handled with cpp,
1170 ## it was expanded to null when configure sourced the s/*.h file.
1171 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1172 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1173 ## (or somesuch), but because it is supposed to go at the _front_
1174 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1175 ## Compare with the gnu-linux case below, which added to the end
1176 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1177 ## LD_SWITCH_SYSTEM_TEMACS.
1180 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1187 AC_CHECK_DECL([__ELF__])
1188 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1189 ## With ELF, make sure that all common symbols get allocated to in the
1190 ## data section. Otherwise, the dump of temacs may miss variables in
1191 ## the shared library that have been initialized. For example, with
1192 ## GNU libc, __malloc_initialized would normally be resolved to the
1193 ## shared library's .bss section, which is fatal.
1194 if test "x$GCC" = "xyes"; then
1195 C_SWITCH_MACHINE="-fno-common"
1197 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1200 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1201 dnl albeit under the mistaken assumption that said file
1202 dnl was no longer used.
1203 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1207 AC_SUBST(C_SWITCH_MACHINE)
1209 AC_SUBST(UNEXEC_OBJ)
1212 ## Some programs in src produce warnings saying certain subprograms
1213 ## are too complex and need a MAXMEM value greater than 2000 for
1214 ## additional optimization. --nils@exp-math.uni-essen.de
1215 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1216 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1217 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1218 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1219 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1220 AC_SUBST(C_SWITCH_SYSTEM)
1225 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1226 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1228 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1230 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1232 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1234 ## Motif needs -lgen.
1235 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1238 AC_SUBST(LIBS_SYSTEM)
1240 ### Make sure subsequent tests use flags consistent with the build flags.
1242 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1243 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1245 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1248 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1249 AC_DEFUN([AC_TYPE_SIZE_T])
1250 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1251 AC_DEFUN([AC_TYPE_UID_T])
1255 dnl Current possibilities handled by sed (aix4-2 -> aix,
1256 dnl gnu-linux -> gnu/linux, etc.):
1257 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1258 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1259 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1266 ## Adding -lm confuses the dynamic linker, so omit it.
1269 freebsd | dragonfly )
1270 SYSTEM_TYPE=berkeley-unix
1272 gnu-linux | gnu-kfreebsd )
1274 hpux10-20 | hpux11 )
1278 SYSTEM_TYPE=windows-nt
1280 dnl NB this may be adjusted below.
1282 SYSTEM_TYPE=berkeley-unix
1286 SYSTEM_TYPE=usg-unix-v
1292 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1293 [The type of system you are compiling for; sets `system-type'.])
1296 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1297 pre_PKG_CONFIG_LIBS=$LIBS
1299 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1301 dnl This function definition taken from Gnome 2.0
1302 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1303 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1304 dnl also defines GSTUFF_PKG_ERRORS on error
1305 AC_DEFUN([PKG_CHECK_MODULES], [
1308 if test "$PKG_CONFIG" = "no" ; then
1309 ifelse([$4], , [AC_MSG_ERROR([
1310 *** 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])
1312 PKG_CONFIG_MIN_VERSION=0.9.0
1313 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1314 AC_MSG_CHECKING(for $2)
1316 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1317 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1318 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1325 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1326 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1327 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1333 ## If we have a custom action on failure, don't print errors, but
1334 ## do set a variable so people can do so. Do it in a subshell
1335 ## to capture any diagnostics in invoking pkg-config.
1336 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1337 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1343 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1344 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1348 if test $succeeded = yes; then
1349 ifelse([$3], , :, [$3])
1351 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.])], [$4])
1356 if test "${with_sound}" != "no"; then
1357 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1358 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1359 have_sound_header=yes, [], [
1361 #define WIN32_LEAN_AND_MEAN
1362 #include <windows.h>
1365 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1366 AC_MSG_ERROR([OSS sound support requested but not found.])
1368 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1369 # Emulation library used on NetBSD.
1370 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1371 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1372 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1373 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1374 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1378 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1380 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1381 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1382 if test $HAVE_ALSA = yes; then
1383 SAVE_CFLAGS="$CFLAGS"
1385 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1386 LIBS="$ALSA_LIBS $LIBS"
1387 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1388 emacs_alsa_normal=yes,
1389 emacs_alsa_normal=no)
1390 if test "$emacs_alsa_normal" != yes; then
1391 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1392 [[snd_lib_error_set_handler (0);]])],
1393 emacs_alsa_subdir=yes,
1394 emacs_alsa_subdir=no)
1395 if test "$emacs_alsa_subdir" != yes; then
1396 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1398 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1401 CFLAGS="$SAVE_CFLAGS"
1403 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1404 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1405 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1406 elif test "${with_sound}" = "alsa"; then
1407 AC_MSG_ERROR([ALSA sound support requested but not found.])
1409 fi dnl with_sound = alsa|yes
1411 dnl Define HAVE_SOUND if we have sound support. We know it works and
1412 dnl compiles only on the specified platforms. For others, it
1413 dnl probably doesn't make sense to try.
1414 dnl FIXME So surely we should bypass this whole section if not using
1415 dnl one of these platforms?
1416 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1418 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1419 dnl Adjust the --with-sound help text if you change this.
1420 gnu-linux|freebsd|netbsd|mingw32)
1421 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1427 AC_SUBST(CFLAGS_SOUND)
1430 dnl checks for header files
1431 AC_CHECK_HEADERS_ONCE(
1435 sys/utsname.h pwd.h utmp.h util.h)
1437 AC_MSG_CHECKING(if personality LINUX32 can be set)
1438 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1439 emacs_cv_personality_linux32=yes,
1440 emacs_cv_personality_linux32=no)
1441 AC_MSG_RESULT($emacs_cv_personality_linux32)
1443 if test $emacs_cv_personality_linux32 = yes; then
1444 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1445 [Define to 1 if personality LINUX32 can be set.])
1448 dnl On Solaris 8 there's a compilation warning for term.h because
1449 dnl it doesn't define `bool'.
1450 AC_CHECK_HEADERS(term.h, , , -)
1452 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1454 if test $ac_cv_have_decl_sys_siglist != yes; then
1455 # For Tru64, at least:
1456 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1461 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1462 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1463 #if HAVE_SYS_SOCKET_H
1464 #include <sys/socket.h>
1466 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1467 #if HAVE_SYS_SOCKET_H
1468 #include <sys/socket.h>
1470 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1471 #if HAVE_SYS_SOCKET_H
1472 #include <sys/socket.h>
1475 dnl checks for structure members
1476 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1477 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1478 struct ifreq.ifr_addr,
1479 struct ifreq.ifr_addr.sa_len], , ,
1480 [AC_INCLUDES_DEFAULT
1481 #if HAVE_SYS_SOCKET_H
1482 #include <sys/socket.h>
1488 dnl Check for endianness.
1489 dnl AC_C_BIGENDIAN is done by gnulib.
1491 dnl check for Make feature
1492 dnl AC_PROG_MAKE_SET is done by Automake.
1497 dnl check for GNU Make if we have GCC and autodepend is on.
1498 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1499 AC_MSG_CHECKING([whether we are using GNU Make])
1501 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1502 if test "x$testval" != x; then
1505 ac_enable_autodepend=no
1507 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1508 if test $HAVE_GNU_MAKE = yes; then
1509 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1510 SAVE_CFLAGS="$CFLAGS"
1511 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1512 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1513 CFLAGS="$SAVE_CFLAGS"
1514 test -f deps.d || ac_enable_autodepend=no
1516 AC_MSG_RESULT([$ac_enable_autodepend])
1518 if test $ac_enable_autodepend = yes; then
1519 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1520 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1521 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1522 deps_frag=autodeps.mk
1525 deps_frag=$srcdir/src/$deps_frag
1528 AC_SUBST_FILE(deps_frag)
1531 lisp_frag=$srcdir/src/lisp.mk
1532 AC_SUBST_FILE(lisp_frag)
1535 dnl checks for operating system services
1536 AC_SYS_LONG_FILE_NAMES
1538 #### Choose a window system.
1540 ## We leave window_system equal to none if
1541 ## we end up building without one. Any new window system should
1542 ## set window_system to an appropriate value and add objects to
1543 ## window-system-specific substs.
1547 if test "$no_x" != yes; then
1551 LD_SWITCH_X_SITE_RPATH=
1552 if test "${x_libraries}" != NONE; then
1553 if test -n "${x_libraries}"; then
1554 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1555 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1557 x_default_search_path=""
1558 x_search_path=${x_libraries}
1559 if test -z "${x_search_path}"; then
1560 x_search_path=/usr/lib
1562 for x_library in `echo ${x_search_path}: | \
1563 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1565 ${x_library}/X11/%L/%T/%N%C%S:\
1566 ${x_library}/X11/%l/%T/%N%C%S:\
1567 ${x_library}/X11/%T/%N%C%S:\
1568 ${x_library}/X11/%L/%T/%N%S:\
1569 ${x_library}/X11/%l/%T/%N%S:\
1570 ${x_library}/X11/%T/%N%S"
1571 if test x"${x_default_search_path}" = x; then
1572 x_default_search_path=${x_search_path}
1574 x_default_search_path="${x_search_path}:${x_default_search_path}"
1578 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1580 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1581 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1584 if test x"${x_includes}" = x; then
1585 bitmapdir=/usr/include/X11/bitmaps
1587 # accumulate include directories that have X11 bitmap subdirectories
1589 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1590 if test -d "${bmd}/X11/bitmaps"; then
1591 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1593 if test -d "${bmd}/bitmaps"; then
1594 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1597 if test ${bmd_acc} != "dummyval"; then
1598 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1605 tmp_CPPFLAGS="$CPPFLAGS"
1606 tmp_CFLAGS="$CFLAGS"
1607 CPPFLAGS="$CPPFLAGS -x objective-c"
1608 CFLAGS="$CFLAGS -x objective-c"
1611 if test "${with_ns}" != no; then
1612 if test "${opsys}" = darwin; then
1614 ns_appdir=`pwd`/nextstep/Emacs.app
1615 ns_appbindir=${ns_appdir}/Contents/MacOS
1616 ns_appresdir=${ns_appdir}/Contents/Resources
1617 ns_appsrc=Cocoa/Emacs.base
1618 elif test -f $GNUSTEP_CONFIG_FILE; then
1620 ns_appdir=`pwd`/nextstep/Emacs.app
1621 ns_appbindir=${ns_appdir}
1622 ns_appresdir=${ns_appdir}/Resources
1623 ns_appsrc=GNUstep/Emacs.base
1624 dnl FIXME sourcing this several times in subshells seems inefficient.
1625 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1626 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1627 dnl I seemed to need these as well with GNUstep-startup 0.25.
1628 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1629 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1630 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1631 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1632 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1633 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1634 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1635 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1636 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1637 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1638 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1639 dnl If they had chosen to either define it or not, we could have
1640 dnl just used AC_CHECK_DECL here.
1641 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1642 emacs_cv_objc_exceptions,
1643 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1644 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1648 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1649 if test $emacs_cv_objc_exceptions = yes; then
1650 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1651 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1652 [Define if GNUstep uses ObjC exceptions.])
1653 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1657 dnl This is only used while we test the NS headers, it gets reset below.
1658 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1660 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1661 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1662 files are missing or cannot be compiled.])])
1665 if test "${NS_IMPL_COCOA}" = "yes"; then
1666 AC_MSG_CHECKING([for OSX 10.4 or newer])
1667 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1669 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1670 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1673 #error "OSX 10.4 or newer required"
1677 ns_osx_have_104=yes,
1679 AC_MSG_RESULT([$ns_osx_have_104])
1681 if test $ns_osx_have_104 = no; then
1682 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1684 AC_MSG_CHECKING([for OSX 10.5 or newer])
1685 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1687 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1688 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1691 #error "OSX 10.5 not found"
1695 ns_osx_have_105=yes,
1697 AC_MSG_RESULT([$ns_osx_have_105])
1698 if test $ns_osx_have_105 = yes; then
1699 macfont_file="macfont.o"
1702 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1704 ns_have_nsinteger=yes,
1705 ns_have_nsinteger=no)
1706 if test $ns_have_nsinteger = yes; then
1707 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1711 AC_SUBST(LIBS_GNUSTEP)
1713 INSTALL_ARCH_INDEP_EXTRA=install-etc
1714 ns_self_contained=no
1717 if test "${HAVE_NS}" = yes; then
1718 if test "$with_toolkit_scroll_bars" = "no"; then
1719 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1722 window_system=nextstep
1723 # set up packaging dirs
1724 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1725 ns_self_contained=yes
1726 prefix=${ns_appresdir}
1727 exec_prefix=${ns_appbindir}
1728 dnl This one isn't really used, only archlibdir is.
1729 libexecdir="\${ns_appbindir}/libexec"
1730 archlibdir="\${ns_appbindir}/libexec"
1731 etcdocdir="\${ns_appresdir}/etc"
1732 etcdir="\${ns_appresdir}/etc"
1733 dnl FIXME maybe set datarootdir instead.
1734 dnl That would also get applications, icons, man.
1735 infodir="\${ns_appresdir}/info"
1736 mandir="\${ns_appresdir}/man"
1737 lispdir="\${ns_appresdir}/lisp"
1738 INSTALL_ARCH_INDEP_EXTRA=
1741 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1743 CFLAGS="$tmp_CFLAGS"
1744 CPPFLAGS="$tmp_CPPFLAGS"
1745 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1746 AC_SUBST(ns_self_contained)
1748 AC_SUBST(NS_OBJC_OBJ)
1759 if test "${with_w32}" != no; then
1762 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1763 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1764 cannot be found.])])
1767 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1770 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1775 if test "${opsys}" = "mingw32"; then
1776 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1777 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1778 #include <windows.h>
1779 #include <usp10.h>]],
1780 [[PIMAGE_NT_HEADERS pHeader;
1781 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1782 [emacs_cv_w32api=yes
1785 AC_MSG_RESULT($emacs_cv_w32api)
1786 if test "${emacs_cv_w32api}" = "no"; then
1787 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1798 if test "${HAVE_W32}" = "yes"; then
1799 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1800 AC_CHECK_TOOL(WINDRES, [windres],
1801 [AC_MSG_ERROR([No resource compiler found.])])
1802 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1803 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1804 EMACSRES="emacs.res"
1805 case "$canonical" in
1806 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1807 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1809 UPDATE_MANIFEST=update-game-score.exe.manifest
1810 if test "${opsys}" = "cygwin"; then
1811 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1812 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1813 # Tell the linker that emacs.res is an object (which we compile from
1814 # the rc file), not a linker script.
1815 W32_RES_LINK="-Wl,emacs.res"
1817 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1818 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1819 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1820 W32_RES_LINK="\$(EMACSRES)"
1821 CLIENTRES="emacsclient.res"
1822 CLIENTW="emacsclientw\$(EXEEXT)"
1823 FIRSTFILE_OBJ=firstfile.o
1826 LIBS_ECLIENT="-lcomctl32"
1827 LIB_WSOCK32="-lwsock32"
1828 NTLIB="ntlib.$ac_objext"
1829 XARGS_LIMIT="-s 10000"
1835 AC_SUBST(EMACS_MANIFEST)
1836 AC_SUBST(UPDATE_MANIFEST)
1839 AC_SUBST(W32_RES_LINK)
1840 AC_SUBST(FIRSTFILE_OBJ)
1843 AC_SUBST(LIBS_ECLIENT)
1844 AC_SUBST(LIB_WSOCK32)
1846 AC_SUBST(XARGS_LIMIT)
1848 if test "${HAVE_W32}" = "yes"; then
1853 ## $window_system is now set to the window system we will
1856 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1857 # Too many warnings for now.
1859 nw="$nw -Wsuggest-attribute=const"
1860 nw="$nw -Wsuggest-attribute=noreturn"
1861 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1863 gl_WARN_ADD([-Wno-unused-variable])
1864 gl_WARN_ADD([-Wno-unused-but-set-variable])
1865 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1873 case "${window_system}" in
1878 case "${with_x_toolkit}" in
1879 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1880 motif ) USE_X_TOOLKIT=MOTIF ;;
1882 term_header=gtkutil.h
1883 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1884 dnl USE_X_TOOLKIT is set.
1885 USE_X_TOOLKIT=none ;;
1886 gtk2 ) with_gtk2=yes
1887 term_header=gtkutil.h
1888 USE_X_TOOLKIT=none ;;
1889 gtk3 ) with_gtk3=yes
1890 term_header=gtkutil.h
1891 USE_X_TOOLKIT=none ;;
1892 no ) USE_X_TOOLKIT=none ;;
1893 dnl If user did not say whether to use a toolkit, make this decision later:
1894 dnl use the toolkit if we have gtk, or X11R5 or newer.
1895 * ) USE_X_TOOLKIT=maybe ;;
1899 term_header=nsterm.h
1902 term_header=w32term.h
1906 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1907 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1908 if test "$HAVE_XSERVER" = true ||
1909 test -n "$DISPLAY" ||
1910 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1911 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1912 were found. You should install the relevant development files for X
1913 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1914 sure you have development files for image handling, i.e.
1915 tiff, gif, jpeg, png and xpm.
1916 If you are sure you want Emacs compiled without X window support, pass
1922 # Does the opsystem file prohibit the use of the GNU malloc?
1923 # Assume not, until told otherwise.
1927 [whether malloc is Doug Lea style],
1928 [emacs_cv_var_doug_lea_malloc],
1929 [emacs_cv_var_doug_lea_malloc=no
1930 dnl Hooks do not work with address sanitization.
1931 if test "$emacs_cv_sanitize_address" != yes; then
1934 [[#include <malloc.h>
1935 static void hook (void) {}]],
1936 [[malloc_set_state (malloc_get_state ());
1937 __after_morecore_hook = hook;
1938 __malloc_initialize_hook = hook;]])],
1939 [emacs_cv_var_doug_lea_malloc=yes])])
1941 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1943 system_malloc=$emacs_cv_sanitize_address
1945 ## darwin ld insists on the use of malloc routines in the System framework.
1946 darwin|sol2-10) system_malloc=yes ;;
1950 if test "${system_malloc}" = "yes"; then
1951 AC_DEFINE([SYSTEM_MALLOC], 1,
1952 [Define to 1 to use the system memory allocator, even if it is not
1956 (The GNU allocators don't work with this system configuration.)"
1959 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1960 VMLIMIT_OBJ=vm-limit.o
1962 AC_CHECK_HEADERS([sys/vlimit.h])
1963 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1966 [[extern char data_start[]; char ch;]],
1967 [[return data_start < &ch;]])],
1968 [emacs_cv_data_start=yes],
1969 [emacs_cv_data_start=no])])
1970 if test $emacs_cv_data_start = yes; then
1971 AC_DEFINE([HAVE_DATA_START], 1,
1972 [Define to 1 if data_start is the address of the start
1973 of the main data segment.])
1976 AC_SUBST(GMALLOC_OBJ)
1977 AC_SUBST(VMLIMIT_OBJ)
1979 if test "$doug_lea_malloc" = "yes" ; then
1980 if test "$GNU_MALLOC" = yes ; then
1982 (Using Doug Lea's new malloc from the GNU C Library.)"
1984 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1985 [Define to 1 if the system memory allocator is Doug Lea style,
1986 with malloc hooks and malloc_set_state.])
1988 ## Use mmap directly for allocating larger buffers.
1989 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1990 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1991 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1993 gnu*) REL_ALLOC=no ;;
1997 if test x"${REL_ALLOC}" = x; then
1998 REL_ALLOC=${GNU_MALLOC}
2001 use_mmap_for_buffers=no
2003 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2007 if test $use_mmap_for_buffers = yes; then
2008 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2012 LIBS="$LIBS_SYSTEM $LIBS"
2014 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
2015 AC_CHECK_LIB(dnet, dnet_ntoa)
2016 dnl This causes -lresolv to get used in subsequent tests,
2017 dnl which causes failures on some systems such as HPUX 9.
2018 dnl AC_CHECK_LIB(resolv, gethostbyname)
2020 dnl FIXME replace main with a function we actually want from this library.
2021 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2023 dnl Check if pthreads is available.
2025 AC_CHECK_HEADERS_ONCE(pthread.h)
2026 if test "$ac_cv_header_pthread_h"; then
2027 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2028 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2029 dnl testing for pthread_self if Emacs uses gmalloc.c.
2030 if test "$GMALLOC_OBJ" = gmalloc.o; then
2031 emacs_pthread_function=pthread_atfork
2033 emacs_pthread_function=pthread_self
2035 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
2037 if test "$HAVE_PTHREAD" = yes; then
2038 case "${canonical}" in
2040 *) LIB_PTHREAD="-lpthread"
2041 LIBS="$LIB_PTHREAD $LIBS" ;;
2043 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
2045 AC_SUBST([LIB_PTHREAD])
2047 AC_CHECK_LIB(pthreads, cma_open)
2049 ## Note: when using cpp in s/aix4.2.h, this definition depended on
2050 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
2051 ## the system file was sourced. Hence the value of LIBS_SYSTEM
2052 ## added to LIBS in configure would never contain the pthreads part,
2053 ## but the value used in Makefiles might. FIXME?
2055 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
2056 ## be harmless on older versions of X where it happens to exist.
2057 test "$opsys" = "aix4-2" && \
2058 test $ac_cv_lib_pthreads_cma_open = yes && \
2059 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2061 dnl Check for need for bigtoc support on IBM AIX
2065 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2067 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2068 *) gdb_cv_bigtoc=-bbigtoc ;;
2071 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2072 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2077 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2078 # used for the tests that follow. We set them back to REAL_CFLAGS and
2079 # REAL_CPPFLAGS later on.
2081 REAL_CFLAGS="$CFLAGS"
2082 REAL_CPPFLAGS="$CPPFLAGS"
2084 if test "${HAVE_X11}" = "yes"; then
2085 DEFS="$C_SWITCH_X_SITE $DEFS"
2086 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2088 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2089 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2091 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2092 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2093 # but it's more convenient here to set LD_RUN_PATH since this
2094 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2095 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2096 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2100 if test "${opsys}" = "gnu-linux"; then
2101 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2102 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2103 [[XOpenDisplay ("foo");]])],
2104 [xgnu_linux_first_failure=no],
2105 [xgnu_linux_first_failure=yes])
2106 if test "${xgnu_linux_first_failure}" = "yes"; then
2107 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2108 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2109 OLD_CPPFLAGS="$CPPFLAGS"
2111 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2112 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2113 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2114 LIBS="$LIBS -b i486-linuxaout"
2115 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2116 [[XOpenDisplay ("foo");]])],
2117 [xgnu_linux_second_failure=no],
2118 [xgnu_linux_second_failure=yes])
2119 if test "${xgnu_linux_second_failure}" = "yes"; then
2120 # If we get the same failure with -b, there is no use adding -b.
2121 # So take it out. This plays safe.
2122 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2123 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2124 CPPFLAGS="$OLD_CPPFLAGS"
2135 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2136 # header files included from there.
2137 AC_MSG_CHECKING(for Xkb)
2138 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2139 #include <X11/XKBlib.h>]],
2140 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2141 emacs_xkb=yes, emacs_xkb=no)
2142 AC_MSG_RESULT($emacs_xkb)
2143 if test $emacs_xkb = yes; then
2144 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2147 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2148 XScreenNumberOfScreen)
2151 if test "${window_system}" = "x11"; then
2152 AC_MSG_CHECKING(X11 version 6)
2153 AC_CACHE_VAL(emacs_cv_x11_version_6,
2154 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2155 [[#if XlibSpecificationRelease < 6
2158 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2159 if test $emacs_cv_x11_version_6 = yes; then
2160 AC_MSG_RESULT(6 or newer)
2161 AC_DEFINE(HAVE_X11R6, 1,
2162 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2163 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2164 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2168 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2169 [Define if you have usable X11R6-style XIM support.])
2173 AC_MSG_RESULT(before 6)
2178 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2180 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2181 if test "${with_rsvg}" != "no"; then
2182 RSVG_REQUIRED=2.11.0
2183 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2185 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2186 AC_SUBST(RSVG_CFLAGS)
2189 if test $HAVE_RSVG = yes; then
2190 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2191 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2192 # Windows loads librsvg dynamically
2193 if test "${opsys}" = "mingw32"; then
2196 LIBS="$RSVG_LIBS $LIBS"
2202 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
2203 if test "${with_imagemagick}" != "no"; then
2204 ## 6.2.8 is the earliest version known to work, but earlier versions
2205 ## might work - let us know if you find one.
2206 ## 6.0.7 does not work. See bug#7955.
2207 ## 6.8.2 makes Emacs crash; see Bug#13867.
2208 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2209 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2210 AC_SUBST(IMAGEMAGICK_CFLAGS)
2211 AC_SUBST(IMAGEMAGICK_LIBS)
2213 if test $HAVE_IMAGEMAGICK = yes; then
2214 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2215 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2216 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2217 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2225 gtk_term_header=$term_header
2228 if test "${opsys}" != "mingw32"; then
2229 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2232 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2234 dnl Checks for libraries.
2235 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2236 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2237 AC_MSG_ERROR($GTK_PKG_ERRORS)
2239 if test "$pkg_check_gtk" = "yes"; then
2240 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2241 GTK_OBJ=emacsgtkfixed.o
2242 gtk_term_header=gtkutil.h
2243 USE_GTK_TOOLKIT="GTK3"
2244 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2245 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2246 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2247 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2248 [Define to 1 to disable Glib deprecation warnings.])
2252 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2256 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2259 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2261 dnl Checks for libraries.
2262 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2263 if test "$pkg_check_gtk" = "no" &&
2264 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2266 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2268 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2272 if test x"$pkg_check_gtk" = xyes; then
2275 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2276 CFLAGS="$CFLAGS $GTK_CFLAGS"
2277 LIBS="$GTK_LIBS $LIBS"
2278 dnl Try to compile a simple GTK program.
2279 AC_MSG_CHECKING([whether GTK compiles])
2283 [[/* Check the Gtk and Glib APIs. */
2284 #include <gtk/gtk.h>
2285 #include <glib-object.h>
2287 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2291 GtkSettings *gs = 0;
2292 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2293 strict C prohibits this. Use gtk_main_iteration to test that the
2294 libraries are there. */
2295 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2296 0, 0, 0, G_CALLBACK (callback), 0))
2297 gtk_main_iteration ();
2300 AC_MSG_RESULT([$GTK_COMPILES])
2301 if test "${GTK_COMPILES}" != "yes"; then
2303 if test "$USE_X_TOOLKIT" != "maybe"; then
2304 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2308 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2309 GTK_OBJ="gtkutil.o $GTK_OBJ"
2310 term_header=$gtk_term_header
2312 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2315 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2316 closing open displays. This is no problem if you just use
2317 one display, but if you use more than one and close one of them
2327 if test "${HAVE_GTK}" = "yes"; then
2329 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2330 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2331 if test "$with_toolkit_scroll_bars" != no; then
2332 with_toolkit_scroll_bars=yes
2335 dnl Check if we have the old file selection dialog declared and
2336 dnl in the link library. In 2.x it may be in the library,
2337 dnl but not declared if deprecated featured has been selected out.
2338 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2339 HAVE_GTK_FILE_SELECTION=no
2340 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2341 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2342 #include <gtk/gtk.h>])
2343 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2344 AC_CHECK_FUNCS(gtk_file_selection_new)
2347 dnl Same as above for gtk_handle_box.
2348 HAVE_GTK_HANDLE_BOX=no
2349 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2350 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2351 #include <gtk/gtk.h>])
2352 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2353 AC_CHECK_FUNCS(gtk_handle_box_new)
2356 dnl Same as above for gtk_tearoff_menu_item.
2357 HAVE_GTK_TEAROFF_MENU_ITEM=no
2358 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2359 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2360 #include <gtk/gtk.h>])
2361 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2362 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2365 dnl Check for functions introduced in 2.14 and later.
2366 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2367 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2368 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2369 gtk_orientable_set_orientation \
2370 gtk_window_set_has_resize_grip)
2372 term_header=gtkutil.h
2375 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2376 dnl other platforms.
2379 if test "${with_dbus}" = "yes"; then
2380 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2381 if test "$HAVE_DBUS" = yes; then
2382 LIBS="$LIBS $DBUS_LIBS"
2383 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2384 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2385 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2387 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2388 dbus_type_is_valid \
2389 dbus_validate_bus_name \
2390 dbus_validate_path \
2391 dbus_validate_interface \
2392 dbus_validate_member)
2398 dnl GSettings has been tested under GNU/Linux only.
2400 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2401 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2402 if test "$HAVE_GSETTINGS" = "yes"; then
2403 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2404 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2405 SETTINGS_LIBS="$GSETTINGS_LIBS"
2409 dnl GConf has been tested under GNU/Linux only.
2410 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2412 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2413 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2414 if test "$HAVE_GCONF" = yes; then
2415 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2416 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2417 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2418 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2422 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2423 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2424 if test "$HAVE_GOBJECT" = "yes"; then
2425 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2426 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2428 SAVE_CFLAGS="$CFLAGS"
2430 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2431 LIBS="$SETTINGS_LIBS $LIBS"
2432 CFLAGS="$SAVE_CFLAGS"
2435 AC_SUBST(SETTINGS_CFLAGS)
2436 AC_SUBST(SETTINGS_LIBS)
2439 dnl SELinux is available for GNU/Linux only.
2442 if test "${with_selinux}" = "yes"; then
2443 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2444 if test "$HAVE_LIBSELINUX" = yes; then
2445 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2446 LIBSELINUX_LIBS=-lselinux
2449 AC_SUBST(LIBSELINUX_LIBS)
2453 if test "${with_gnutls}" = "yes" ; then
2454 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2455 if test "${HAVE_GNUTLS3}" = "yes"; then
2456 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2459 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2461 if test "${HAVE_GNUTLS}" = "yes"; then
2462 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2465 # Windows loads GnuTLS dynamically
2466 if test "${opsys}" = "mingw32"; then
2469 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2470 LIBS="$LIBGNUTLS_LIBS $LIBS"
2474 AC_SUBST(LIBGNUTLS_LIBS)
2475 AC_SUBST(LIBGNUTLS_CFLAGS)
2480 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2481 dnl a particular library. This doesn't make much sense?
2482 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2483 with_file_notification=no
2486 dnl MS Windows native file monitor is available for mingw32 only.
2487 case $with_file_notification,$opsys in
2488 w32,* | yes,mingw32)
2489 AC_CHECK_HEADER(windows.h)
2490 if test "$ac_cv_header_windows_h" = yes ; then
2491 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2492 NOTIFY_OBJ=w32notify.o
2493 NOTIFY_SUMMARY="yes (w32)"
2497 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2498 dnl has been added in glib 2.24. It has been tested under
2499 dnl GNU/Linux only. We take precedence over inotify, but this makes
2500 dnl only sense when glib has been compiled with inotify support. How
2502 case $with_file_notification,$NOTIFY_OBJ in
2504 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2505 if test "$HAVE_GFILENOTIFY" = "yes"; then
2506 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2507 NOTIFY_OBJ=gfilenotify.o
2508 NOTIFY_SUMMARY="yes -lgio (gfile)"
2512 dnl inotify is only available on GNU/Linux.
2513 case $with_file_notification,$NOTIFY_OBJ in
2515 AC_CHECK_HEADER(sys/inotify.h)
2516 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2517 AC_CHECK_FUNC(inotify_init1)
2518 if test "$ac_cv_func_inotify_init1" = yes; then
2519 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2520 NOTIFY_OBJ=inotify.o
2521 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2526 case $with_file_notification,$NOTIFY_OBJ in
2527 yes,* | no,* | *,?*) ;;
2528 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2531 if test -n "$NOTIFY_OBJ"; then
2532 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2534 AC_SUBST(NOTIFY_OBJ)
2535 AC_SUBST(GFILENOTIFY_CFLAGS)
2536 AC_SUBST(GFILENOTIFY_LIBS)
2538 dnl Do not put whitespace before the #include statements below.
2539 dnl Older compilers (eg sunos4 cc) choke on it.
2542 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2543 if test "$with_xaw3d" != no; then
2544 AC_CACHE_VAL(emacs_cv_xaw3d,
2545 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2546 #include <X11/Intrinsic.h>
2547 #include <X11/Xaw3d/Simple.h>]],
2549 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2550 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2551 emacs_cv_xaw3d=no)])
2555 if test $emacs_cv_xaw3d = yes; then
2556 AC_MSG_CHECKING(for xaw3d)
2557 AC_MSG_RESULT([yes; using Lucid toolkit])
2561 AC_DEFINE(HAVE_XAW3D, 1,
2562 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2564 AC_MSG_CHECKING(for xaw3d)
2566 AC_MSG_CHECKING(for libXaw)
2567 AC_CACHE_VAL(emacs_cv_xaw,
2568 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2569 #include <X11/Intrinsic.h>
2570 #include <X11/Xaw/Simple.h>]],
2574 if test $emacs_cv_xaw = yes; then
2575 AC_MSG_RESULT([yes; using Lucid toolkit])
2578 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2579 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2581 AC_MSG_ERROR([No X toolkit could be found.
2582 If you are sure you want Emacs compiled without an X toolkit, pass
2584 to configure. Otherwise, install the development libraries for the toolkit
2585 that you want to use (e.g. Gtk+) and re-run configure.])
2590 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2593 if test "${USE_X_TOOLKIT}" != "none"; then
2594 AC_MSG_CHECKING(X11 toolkit version)
2595 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2596 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2597 [[#if XtSpecificationRelease < 6
2600 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2601 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2602 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2603 AC_MSG_RESULT(6 or newer)
2604 AC_DEFINE(HAVE_X11XTR6, 1,
2605 [Define to 1 if you have the X11R6 or newer version of Xt.])
2606 LIBXTR6="-lSM -lICE"
2608 ## Use libw.a along with X11R6 Xt.
2609 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2612 AC_MSG_RESULT(before 6)
2615 dnl If using toolkit, check whether libXmu.a exists.
2616 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2618 if test x$HAVE_X11XTR6 = xyes; then
2619 LIBS="-lXt -lSM -lICE $LIBS"
2623 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2624 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2625 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2629 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2630 dnl Why not just test for libxmu in the normal way?
2633 ## These systems don't supply Xmu.
2635 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2643 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2644 if test "${HAVE_X11}" = "yes"; then
2645 if test "${USE_X_TOOLKIT}" != "none"; then
2646 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2651 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2652 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2653 if test -d /usr/include/openmotif; then
2654 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2655 emacs_cv_openmotif=yes
2656 case "$canonical" in
2657 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2658 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2661 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2664 emacs_cv_openmotif=no
2666 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2667 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2668 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2671 Motif version prior to 2.1.
2673 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2674 if test $emacs_cv_motif_version_2_1 = yes; then
2675 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2676 if test x$emacs_cv_openmotif = xyes; then
2677 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2680 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2681 # We put this in CFLAGS temporarily to precede other -I options
2682 # that might be in CFLAGS temporarily.
2683 # We put this in CPPFLAGS where it precedes the other -I options.
2684 OLD_CPPFLAGS=$CPPFLAGS
2686 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2687 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2688 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2690 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2691 if test $emacs_cv_lesstif = yes; then
2692 # Make sure this -I option remains in CPPFLAGS after it is set
2693 # back to REAL_CPPFLAGS.
2694 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2695 # have those other -I options anyway. Ultimately, having this
2696 # directory ultimately in CPPFLAGS will be enough.
2697 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2698 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2701 CPPFLAGS=$OLD_CPPFLAGS
2704 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2705 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2708 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2709 dnl using Motif or Xaw3d is available, and unless
2710 dnl --with-toolkit-scroll-bars=no was specified.
2712 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2713 [Define to 1 if we should use toolkit scroll bars.])dnl
2714 USE_TOOLKIT_SCROLL_BARS=no
2715 if test "${with_toolkit_scroll_bars}" != "no"; then
2716 if test "${USE_X_TOOLKIT}" != "none"; then
2717 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2718 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2720 USE_TOOLKIT_SCROLL_BARS=yes
2721 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2722 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2723 USE_TOOLKIT_SCROLL_BARS=yes
2725 elif test "${HAVE_GTK}" = "yes"; then
2726 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2727 USE_TOOLKIT_SCROLL_BARS=yes
2728 elif test "${HAVE_NS}" = "yes"; then
2729 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2730 USE_TOOLKIT_SCROLL_BARS=yes
2731 elif test "${HAVE_W32}" = "yes"; then
2732 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2733 USE_TOOLKIT_SCROLL_BARS=yes
2737 dnl See if XIM is available.
2738 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2739 #include <X11/Xlib.h>
2740 #include <X11/Xresource.h>]],
2741 [[XIMProc callback;]])],
2743 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2746 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2748 if test "${with_xim}" != "no"; then
2749 AC_DEFINE(USE_XIM, 1,
2750 [Define to 1 if we should use XIM, if it is available.])
2754 if test "${HAVE_XIM}" != "no"; then
2756 if test "$GCC" = yes; then
2757 CFLAGS="$CFLAGS --pedantic-errors"
2759 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2760 #include <X11/Xlib.h>
2761 #include <X11/Xresource.h>]],
2767 XPointer *client_data;
2769 /* If we're not using GCC, it's probably not XFree86, and this is
2770 probably right, but we can't use something like --pedantic-errors. */
2771 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2772 char*, XIMProc, XPointer*);
2774 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2776 [emacs_cv_arg6_star=yes])
2777 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2778 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2779 either XPointer or XPointer*.])dnl
2780 if test "$emacs_cv_arg6_star" = yes; then
2781 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2783 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2788 ### Start of font-backend (under any platform) section.
2789 # (nothing here yet -- this is a placeholder)
2790 ### End of font-backend (under any platform) section.
2792 ### Start of font-backend (under X11) section.
2793 if test "${HAVE_X11}" = "yes"; then
2794 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2796 ## Use -lXft if available, unless `--with-xft=no'.
2798 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2801 if test "x${with_xft}" != "xno"; then
2803 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2804 ## Because xftfont.c uses XRenderQueryExtension, we also
2805 ## need to link to -lXrender.
2807 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2808 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2809 OLD_CPPFLAGS="$CPPFLAGS"
2810 OLD_CFLAGS="$CFLAGS"
2812 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2813 CFLAGS="$CFLAGS $XFT_CFLAGS"
2814 XFT_LIBS="-lXrender $XFT_LIBS"
2815 LIBS="$XFT_LIBS $LIBS"
2816 AC_CHECK_HEADER(X11/Xft/Xft.h,
2817 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2818 [[#include <X11/X.h>]])
2820 if test "${HAVE_XFT}" = "yes"; then
2821 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2823 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2825 CPPFLAGS="$OLD_CPPFLAGS"
2826 CFLAGS="$OLD_CFLAGS"
2828 fi # "${HAVE_XFT}" = "yes"
2829 fi # "$HAVE_XFT" != no
2830 fi # "x${with_xft}" != "xno"
2832 ## We used to allow building with FreeType and without Xft.
2833 ## However, the ftx font backend driver is not in good shape.
2834 if test "$HAVE_XFT" != "yes"; then
2835 dnl For the "Does Emacs use" message at the end.
2839 dnl Strict linkers fail with
2840 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2841 dnl if -lfreetype is not specified.
2842 dnl The following is needed to set FREETYPE_LIBS.
2843 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2846 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2850 if test "${HAVE_FREETYPE}" = "yes"; then
2851 AC_DEFINE(HAVE_FREETYPE, 1,
2852 [Define to 1 if using the freetype and fontconfig libraries.])
2853 if test "${with_libotf}" != "no"; then
2854 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2856 if test "$HAVE_LIBOTF" = "yes"; then
2857 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2858 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2859 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2860 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2861 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2862 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2863 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2867 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2868 dnl Does the new font backend require it, or can it work without it?
2872 if test "${HAVE_LIBOTF}" = yes; then
2873 if test "${with_m17n_flt}" != "no"; then
2874 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2875 if test "$HAVE_M17N_FLT" = "yes"; then
2876 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2887 ### End of font-backend (under X11) section.
2889 AC_SUBST(FREETYPE_CFLAGS)
2890 AC_SUBST(FREETYPE_LIBS)
2891 AC_SUBST(FONTCONFIG_CFLAGS)
2892 AC_SUBST(FONTCONFIG_LIBS)
2893 AC_SUBST(LIBOTF_CFLAGS)
2894 AC_SUBST(LIBOTF_LIBS)
2895 AC_SUBST(M17N_FLT_CFLAGS)
2896 AC_SUBST(M17N_FLT_LIBS)
2898 ### Use -lXpm if available, unless `--with-xpm=no'.
2899 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2902 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2903 if test "${with_xpm}" != "no"; then
2904 SAVE_CPPFLAGS="$CPPFLAGS"
2905 SAVE_LDFLAGS="$LDFLAGS"
2906 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2907 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2908 AC_CHECK_HEADER(X11/xpm.h,
2909 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
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
2920 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2924 CPPFLAGS="$SAVE_CPPFLAGS"
2925 LDFLAGS="$SAVE_LDFLAGS"
2930 if test "${HAVE_XPM}" = "yes"; then
2931 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2936 if test "${HAVE_X11}" = "yes"; then
2937 if test "${with_xpm}" != "no"; then
2938 AC_CHECK_HEADER(X11/xpm.h,
2939 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2940 if test "${HAVE_XPM}" = "yes"; then
2941 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2942 AC_EGREP_CPP(no_return_alloc_pixels,
2943 [#include "X11/xpm.h"
2944 #ifndef XpmReturnAllocPixels
2945 no_return_alloc_pixels
2947 ], HAVE_XPM=no, HAVE_XPM=yes)
2949 if test "${HAVE_XPM}" = "yes"; then
2957 if test "${HAVE_XPM}" = "yes"; then
2958 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2963 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2964 ### slightly different requirements wrt image libraries (it doesn't
2965 ### use -lXpm because it loads the xpm shared library dynamically at
2967 if test "${opsys}" = "mingw32"; then
2968 if test "${with_xpm}" != "no"; then
2969 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2973 if test "${HAVE_XPM}" = "yes"; then
2974 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2980 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2981 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2984 if test "${opsys}" = "mingw32"; then
2985 if test "${with_jpeg}" != "no"; then
2986 dnl Checking for jpeglib.h can lose because of a redefinition of
2988 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2990 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2991 if test "${HAVE_JPEG}" = "yes"; then
2992 AC_DEFINE(HAVE_JPEG)
2993 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2994 [#include <jpeglib.h>
2995 version=JPEG_LIB_VERSION
2997 [AC_DEFINE(HAVE_JPEG)],
2998 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3001 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3002 if test "${with_jpeg}" != "no"; then
3003 dnl Checking for jpeglib.h can lose because of a redefinition of
3005 AC_CHECK_HEADER(jerror.h,
3006 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3009 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3010 if test "${HAVE_JPEG}" = "yes"; then
3011 AC_DEFINE(HAVE_JPEG)
3012 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3013 [#include <jpeglib.h>
3014 version=JPEG_LIB_VERSION
3016 [AC_DEFINE(HAVE_JPEG)],
3017 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3020 if test "${HAVE_JPEG}" = "yes"; then
3026 ### Use -lpng if available, unless `--with-png=no'.
3027 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
3030 if test "${opsys}" = "mingw32"; then
3031 if test "${with_png}" != "no"; then
3032 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
3034 if test "${HAVE_PNG}" = "yes"; then
3035 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3037 AC_CHECK_DECL(png_longjmp,
3039 [AC_DEFINE(PNG_DEPSTRUCT, [],
3040 [Define to empty to suppress deprecation warnings when building
3041 with --enable-gcc-warnings and with libpng versions before 1.5,
3042 which lack png_longjmp.])],
3043 [[#ifdef HAVE_LIBPNG_PNG_H
3044 # include <libpng/png.h>
3050 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3051 if test "${with_png}" != "no"; then
3052 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3053 # in /usr/include/libpng.
3054 AC_CHECK_HEADERS(png.h libpng/png.h, break)
3055 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
3056 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3060 if test "${HAVE_PNG}" = "yes"; then
3061 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3062 LIBPNG="-lpng -lz -lm"
3064 AC_CHECK_DECL(png_longjmp,
3066 [AC_DEFINE(PNG_DEPSTRUCT, [],
3067 [Define to empty to suppress deprecation warnings when building
3068 with --enable-gcc-warnings and with libpng versions before 1.5,
3069 which lack png_longjmp.])],
3070 [[#ifdef HAVE_LIBPNG_PNG_H
3071 # include <libpng/png.h>
3082 if test "${with_zlib}" != "no"; then
3084 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3086 case $ac_cv_search_inflateEnd in
3087 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3090 if test "${HAVE_ZLIB}" = "yes"; then
3091 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3092 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3093 if test "${opsys}" = "mingw32"; then
3100 ### Use -ltiff if available, unless `--with-tiff=no'.
3101 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3104 if test "${opsys}" = "mingw32"; then
3105 if test "${with_tiff}" != "no"; then
3106 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3108 if test "${HAVE_TIFF}" = "yes"; then
3109 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3111 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3112 if test "${with_tiff}" != "no"; then
3113 AC_CHECK_HEADER(tiffio.h,
3115 # At least one tiff package requires the jpeg library.
3116 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3117 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3120 if test "${HAVE_TIFF}" = "yes"; then
3121 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3122 dnl FIXME -lz -lm, as per libpng?
3128 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3129 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3132 if test "${opsys}" = "mingw32"; then
3133 if test "${with_gif}" != "no"; then
3134 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3136 if test "${HAVE_GIF}" = "yes"; then
3137 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3139 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3140 || test "${HAVE_W32}" = "yes"; then
3141 AC_CHECK_HEADER(gif_lib.h,
3142 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3143 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3144 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3145 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3147 if test "$HAVE_GIF" = yes; then
3149 elif test "$HAVE_GIF" = maybe; then
3150 # If gif_lib.h but no libgif, try libungif.
3151 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3152 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3155 if test "${HAVE_GIF}" = "yes"; then
3156 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3161 dnl Check for required libraries.
3162 if test "${HAVE_X11}" = "yes"; then
3165 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3166 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3167 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3168 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3169 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3170 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3171 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3172 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3173 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3174 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3176 if test "X${MISSING}" != X; then
3177 AC_MSG_ERROR([The following required libraries were not found:
3179 Maybe some development libraries/packages are missing?
3180 If you don't want to link with them give
3182 as options to configure])
3186 ### Use -lgpm if available, unless `--with-gpm=no'.
3189 if test "${with_gpm}" != "no"; then
3190 AC_CHECK_HEADER(gpm.h,
3191 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3193 if test "${HAVE_GPM}" = "yes"; then
3194 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3200 dnl Check for malloc/malloc.h on darwin
3201 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3204 ### Use NeXTstep API to implement GUI.
3205 if test "${HAVE_NS}" = "yes"; then
3206 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3207 if test "${NS_IMPL_COCOA}" = "yes"; then
3208 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3210 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3211 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3212 # See also .m.o rule in Makefile.in */
3213 # FIXME: are all these flags really needed? Document here why. */
3214 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3215 ## Extra CFLAGS applied to src/*.m files.
3216 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3221 ### Use session management (-lSM -lICE) if available
3224 if test "${HAVE_X11}" = "yes"; then
3225 AC_CHECK_HEADER(X11/SM/SMlib.h,
3226 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3228 if test "${HAVE_X_SM}" = "yes"; then
3229 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3233 *) LIBS="$LIBXSM $LIBS" ;;
3239 ### Use XRandr (-lXrandr) if available
3241 if test "${HAVE_X11}" = "yes"; then
3242 XRANDR_REQUIRED=1.2.2
3243 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3244 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3245 if test $HAVE_XRANDR = no; then
3246 # Test old way in case pkg-config doesn't have it (older machines).
3247 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3248 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3249 if test $HAVE_XRANDR = yes; then
3250 XRANDR_LIBS=-lXrandr
3251 AC_SUBST(XRANDR_LIBS)
3254 if test $HAVE_XRANDR = yes; then
3255 SAVE_CFLAGS="$CFLAGS"
3257 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3258 LIBS="$XRANDR_LIBS $LIBS"
3259 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3260 CFLAGS="$SAVE_CFLAGS"
3263 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3267 ### Use Xinerama (-lXinerama) if available
3269 if test "${HAVE_X11}" = "yes"; then
3270 XINERAMA_REQUIRED=1.0.2
3271 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3272 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3274 if test $HAVE_XINERAMA = no; then
3275 # Test old way in case pkg-config doesn't have it (older machines).
3276 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3277 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3278 if test $HAVE_XINERAMA = yes; then
3279 XINERAMA_LIBS=-lXinerama
3280 AC_SUBST(XINERAMA_LIBS)
3283 if test $HAVE_XINERAMA = yes; then
3284 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3289 ### Use libxml (-lxml2) if available
3290 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3292 if test "${with_xml2}" != "no"; then
3293 ### I'm not sure what the version number should be, so I just guessed.
3294 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3295 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3296 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3297 SAVE_CPPFLAGS="$CPPFLAGS"
3298 CPPFLAGS="$CPPFLAGS -I'$xcsdkdir/usr/include/libxml2'"
3299 AC_CHECK_HEADER(libxml/HTMLparser.h,
3300 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3301 [#include <libxml/HTMLparser.h>])])
3302 CPPFLAGS="$SAVE_CPPFLAGS"
3303 if test "${HAVE_LIBXML2}" = "yes"; then
3304 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3305 LIBXML2_LIBS="-lxml2"
3308 if test "${HAVE_LIBXML2}" = "yes"; then
3309 if test "${opsys}" != "mingw32"; then
3310 LIBS="$LIBXML2_LIBS $LIBS"
3311 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3315 if test "${HAVE_LIBXML2}" = "yes"; then
3316 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3323 AC_SUBST(LIBXML2_LIBS)
3324 AC_SUBST(LIBXML2_CFLAGS)
3326 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3327 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3328 if test "${opsys}" = "mingw32"; then
3329 emacs_cv_netdb_declares_h_errno=yes
3331 AC_CACHE_CHECK(whether netdb declares h_errno,
3332 emacs_cv_netdb_declares_h_errno,
3333 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3334 [[return h_errno;]])],
3335 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3336 if test $emacs_cv_netdb_declares_h_errno = yes; then
3337 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3340 # sqrt and other floating-point functions such as fmod and frexp
3341 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3342 if test "${opsys}" != "mingw32"; then
3343 AC_CHECK_LIB(m, sqrt)
3346 # Check for mail-locking functions in a "mail" library. Probably this should
3347 # have the same check as for liblockfile below.
3348 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3349 if test $have_mail = yes; then
3351 LIBS="$LIBS_MAIL $LIBS"
3352 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3356 dnl Debian, at least:
3357 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3358 if test $have_lockfile = yes; then
3359 LIBS_MAIL=-llockfile
3360 LIBS="$LIBS_MAIL $LIBS"
3361 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3363 # If we have the shared liblockfile, assume we must use it for mail
3364 # locking (e.g. Debian). If we couldn't link against liblockfile
3365 # (no liblockfile.a installed), ensure that we don't need to.
3366 dnl This works for files generally, not just executables.
3367 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3368 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3369 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3370 if test $ac_cv_prog_liblockfile = yes; then
3371 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3372 This probably means that movemail could lose mail.
3373 There may be a `development' package to install containing liblockfile.])
3376 AC_CHECK_HEADERS_ONCE(maillock.h)
3379 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3380 ## interlock access to the mail spool. The alternative is a lock file named
3381 ## /usr/spool/mail/$USER.lock.
3384 aix4-2) mail_lock="lockf" ;;
3386 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3388 ## On GNU/Linux systems, both methods are used by various mail programs.
3389 ## I assume most people are using newer mailers that have heard of flock.
3390 ## Change this if you need to.
3391 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3392 ## configure gets the right answers, and that means *NOT* using flock.
3393 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3394 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3395 ## Debian maintainer hasn't provided a clean fix for Emacs.
3396 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3397 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3398 ## correct logic. -- fx
3399 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3400 ## liblockfile is a Free Software replacement for libmail, used on
3401 ## Debian systems and elsewhere. -rfr.
3404 if test $have_mail = yes || test $have_lockfile = yes; then
3405 test $ac_cv_header_maillock_h = yes && mail_lock=no
3410 mail_lock="none-needed" ;;
3414 case "$mail_lock" in
3415 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3417 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3421 *) BLESSMAIL_TARGET="need-blessmail" ;;
3423 AC_SUBST(BLESSMAIL_TARGET)
3426 AC_CHECK_FUNCS(accept4 gethostname \
3427 getrusage get_current_dir_name \
3429 select getpagesize setlocale \
3430 getrlimit setrlimit shutdown getaddrinfo \
3431 strsignal setitimer \
3432 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3433 gai_strerror getline getdelim sync \
3435 getpwent endpwent getgrent endgrent \
3437 cfmakeraw cfsetspeed copysign __executable_start log2)
3439 dnl No need to check for aligned_alloc and posix_memalign if using
3440 dnl gmalloc.o, as it supplies them. Don't use these functions on
3441 dnl Darwin as they are incompatible with unexmacosx.c.
3442 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3443 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3446 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3447 ## has a broken `rint' in some library versions including math library
3448 ## version number A.09.05.
3449 ## You can fix the math library by installing patch number PHSS_4630.
3450 ## But we can fix it more reliably for Emacs by just not using rint.
3451 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3454 *) AC_CHECK_FUNCS(random rint) ;;
3457 dnl Cannot use AC_CHECK_FUNCS
3458 AC_CACHE_CHECK([for __builtin_unwind_init],
3459 emacs_cv_func___builtin_unwind_init,
3460 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3461 emacs_cv_func___builtin_unwind_init=yes,
3462 emacs_cv_func___builtin_unwind_init=no)])
3463 if test $emacs_cv_func___builtin_unwind_init = yes; then
3464 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3465 [Define to 1 if you have the `__builtin_unwind_init' function.])
3468 AC_CHECK_HEADERS_ONCE(sys/un.h)
3473 AC_CHECK_FUNCS(grantpt)
3475 # PTY-related GNU extensions.
3476 AC_CHECK_FUNCS(getpt posix_openpt)
3478 # Check this now, so that we will NOT find the above functions in ncurses.
3479 # That is because we have not set up to link ncurses in lib-src.
3480 # It's better to believe a function is not available
3481 # than to expect to find it in ncurses.
3482 # Also we need tputs and friends to be able to build at all.
3483 AC_MSG_CHECKING([for library containing tputs])
3484 # Run a test program that contains a call to tputs, a call that is
3485 # never executed. This tests whether a pre-'main' dynamic linker
3486 # works with the library. It's too much trouble to actually call
3487 # tputs in the test program, due to portability hassles. When
3488 # cross-compiling, assume the test program will run if it links.
3489 AC_DEFUN([tputs_link_source], [
3491 [[extern void tputs (const char *, int, int (*)(int));
3492 int main (int argc, char **argv)
3495 tputs (argv[0], 0, 0);
3499 if test "${opsys}" = "mingw32"; then
3502 # Maybe curses should be tried earlier?
3503 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3504 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3506 if test -z "$tputs_library"; then
3510 LIBS_TERMCAP=-l$tputs_library
3512 LIBS="$LIBS_TERMCAP $LIBS"
3514 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3515 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3517 if test "X$msg" != Xno; then
3522 AC_MSG_RESULT([$msg])
3523 if test "X$msg" = Xno; then
3524 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3525 The following libraries were tried (in order):
3526 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3527 Please try installing whichever of these libraries is most appropriate
3528 for your system, together with its header files.
3529 For example, a libncurses-dev(el) or similar package.])
3532 ## Use termcap instead of terminfo?
3533 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3535 ## FIXME? In the cases below where we unconditionally set
3536 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3537 ## if that was found above to have tputs.
3538 ## Should we use the gnu* logic everywhere?
3540 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3541 ## The ncurses library has been moved out of the System framework in
3542 ## Mac OS X 10.2. So if configure detects it, set the command-line
3543 ## option to use it.
3544 darwin) LIBS_TERMCAP="-lncurses" ;;
3546 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3549 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3550 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3551 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3552 [[#if __FreeBSD_version < 400000
3555 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3557 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3559 if test $emacs_cv_freebsd_terminfo = yes; then
3560 LIBS_TERMCAP="-lncurses"
3563 LIBS_TERMCAP="-ltermcap"
3573 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3575 LIBS_TERMCAP="-ltermcap"
3579 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3581 ## hpux: Make sure we get select from libc rather than from libcurses
3582 ## because libcurses on HPUX 10.10 has a broken version of select.
3583 ## We used to use -lc -lcurses, but this may be cleaner.
3584 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3585 # set that way, now it uses the default). Isn't this a contradiction?
3586 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3590 TERMCAP_OBJ=tparam.o
3591 if test $TERMINFO = yes; then
3592 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3593 TERMCAP_OBJ=terminfo.o
3595 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3596 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3598 AC_SUBST(LIBS_TERMCAP)
3599 AC_SUBST(TERMCAP_OBJ)
3602 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3603 # On Darwin, res_init appears not to be useful: see bug#562 and
3604 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3607 if test $opsys != darwin; then
3609 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3610 #include <arpa/nameser.h>
3611 #include <resolv.h>]],
3612 [[return res_init();]])],
3613 have_res_init=yes, have_res_init=no)
3614 if test "$have_res_init" = no; then
3616 LIBS="$LIBS -lresolv"
3617 AC_MSG_CHECKING(for res_init with -lresolv)
3618 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3619 #include <arpa/nameser.h>
3620 #include <resolv.h>]],
3621 [[return res_init();]])],
3622 have_res_init=yes, have_res_init=no)
3623 AC_MSG_RESULT($have_res_init)
3624 if test "$have_res_init" = yes ; then
3630 if test "$have_res_init" = yes; then
3631 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3635 # Do we need the Hesiod library to provide the support routines?
3636 dnl FIXME? Should we be skipping this on Darwin too?
3638 if test "$with_hesiod" != no ; then
3639 # Don't set $LIBS here -- see comments above. FIXME which comments?
3640 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3641 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3642 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3643 if test "$resolv" = yes ; then
3648 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3649 hesiod=yes, :, $RESOLVLIB)])
3651 if test x"$hesiod" = xyes; then
3657 # Do we need libresolv (due to res_init or Hesiod)?
3658 if test "$resolv" = yes && test $opsys != darwin; then
3665 # These tell us which Kerberos-related libraries to use.
3672 if test "${with_kerberos}" != no; then
3673 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3674 if test $have_com_err = yes; then
3675 COM_ERRLIB=-lcom_err
3676 LIBS="$COM_ERRLIB $LIBS"
3678 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3679 if test $have_crypto = yes; then
3681 LIBS="$CRYPTOLIB $LIBS"
3683 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3684 if test $have_k5crypto = yes; then
3685 CRYPTOLIB=-lk5crypto
3686 LIBS="$CRYPTOLIB $LIBS"
3688 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3689 if test $have_krb5=yes; then
3691 LIBS="$KRB5LIB $LIBS"
3693 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3694 if test "${with_kerberos5}" = no; then
3695 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3696 if test $have_des425 = yes; then
3698 LIBS="$DESLIB $LIBS"
3700 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3701 if test $have_des = yes; then
3703 LIBS="$DESLIB $LIBS"
3706 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3707 if test $have_krb4 = yes; then
3709 LIBS="$KRB4LIB $LIBS"
3711 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3712 if test $have_krb = yes; then
3714 LIBS="$KRB4LIB $LIBS"
3719 if test "${with_kerberos5}" != no; then
3720 AC_CHECK_HEADERS(krb5.h,
3721 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3722 [#include <krb5.h>])])
3724 AC_CHECK_HEADERS(krb.h,,
3725 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3726 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3728 AC_CHECK_HEADERS(com_err.h)
3731 AC_SUBST(COM_ERRLIB)
3737 AC_CHECK_HEADERS(valgrind/valgrind.h)
3739 AC_CHECK_FUNCS_ONCE(tzset)
3740 AC_MSG_CHECKING(whether localtime caches TZ)
3741 AC_CACHE_VAL(emacs_cv_localtime_cache,
3742 [if test x$ac_cv_func_tzset = xyes; then
3743 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3744 char TZ_GMT0[] = "TZ=GMT0";
3745 char TZ_PST8[] = "TZ=PST8";
3748 time_t now = time ((time_t *) 0);
3749 int hour_GMT0, hour_unset;
3750 if (putenv (TZ_GMT0) != 0)
3752 hour_GMT0 = localtime (&now)->tm_hour;
3754 hour_unset = localtime (&now)->tm_hour;
3755 if (putenv (TZ_PST8) != 0)
3757 if (localtime (&now)->tm_hour == hour_GMT0)
3760 if (localtime (&now)->tm_hour != hour_unset)
3763 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3764 [# If we have tzset, assume the worst when cross-compiling.
3765 emacs_cv_localtime_cache=yes])
3767 # If we lack tzset, report that localtime does not cache TZ,
3768 # since we can't invalidate the cache if we don't have tzset.
3769 emacs_cv_localtime_cache=no
3771 AC_MSG_RESULT($emacs_cv_localtime_cache)
3772 if test $emacs_cv_localtime_cache = yes; then
3773 AC_DEFINE(LOCALTIME_CACHE, 1,
3774 [Define to 1 if localtime caches TZ.])
3778 AC_CHECK_FUNC(socket, , ok_so_far=no)
3779 if test $ok_so_far = yes; then
3780 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3782 if test $ok_so_far = yes; then
3783 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3785 if test $ok_so_far = yes; then
3786 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3787 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3788 [Define to 1 if you have inet sockets.])
3791 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3792 dnl This can be removed once we assume Autoconf 2.70.
3794 *-solaris2.4 | *-solaris2.4.*)
3795 dnl Disable the Autoconf-generated vfork test.
3796 : ${ac_cv_func_vfork_works=no};;
3801 AC_CHECK_FUNCS(snprintf)
3803 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3806 AC_MSG_CHECKING([whether GLib is linked in])
3807 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3810 [[g_print ("Hello world");]])],
3813 AC_MSG_RESULT([$links_glib])
3814 if test "${links_glib}" = "yes"; then
3815 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3816 if test "$HAVE_NS" = no;then
3822 dnl Adapted from Haible's version.
3823 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3824 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3825 [[char* cs = nl_langinfo(CODESET);]])],
3826 emacs_cv_langinfo_codeset=yes,
3827 emacs_cv_langinfo_codeset=no)
3829 if test $emacs_cv_langinfo_codeset = yes; then
3830 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3831 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3836 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3837 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3838 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3839 if test "$emacs_cv_c_restrict_arr" = yes; then
3840 AC_DEFINE(__restrict_arr, __restrict,
3841 [Define to compiler's equivalent of C99 restrict keyword in array
3842 declarations. Define as empty for no equivalent.])
3845 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3846 dnl how the tty code is related to POSIX and/or other versions of termios.
3847 dnl The following looks like a useful start.
3849 dnl AC_SYS_POSIX_TERMIOS
3850 dnl if test $ac_cv_sys_posix_termios = yes; then
3851 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3852 dnl and macros for terminal control.])
3853 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3856 dnl Turned on June 1996 supposing nobody will mind it.
3857 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3858 if test "${opsys}" != "mingw32"; then
3859 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3860 in the full name stands for the login id.])
3863 dnl Every platform that uses configure supports this.
3864 dnl There is a create-lockfiles option you can
3865 dnl customize if you do not want the lock files to be written.
3866 dnl So it is not clear that this #define still needs to exist.
3867 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3868 so that Emacs can tell instantly when you try to modify a file that
3869 someone else has modified in his/her Emacs.])
3871 dnl Everybody supports this, except MS.
3872 dnl Seems like the kind of thing we should be testing for, though.
3873 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3874 if test "${opsys}" != "mingw32"; then
3875 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3878 dnl Everybody supports this, except MS-DOS.
3879 dnl Seems like the kind of thing we should be testing for, though.
3880 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3881 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3882 4.2-compatible sockets.])
3884 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3886 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3887 a null file, or a data sink.])
3888 if test "${opsys}" = "mingw32"; then
3889 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3891 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3894 if test "${opsys}" = "mingw32"; then
3899 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3900 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3901 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3902 dnl decides that a command-line argument to be passed to a MinGW program
3903 dnl is a PATH-style list of directories. But that heuristics plays it
3904 dnl safe, and only does the replacement when it is _absolutely_ sure it
3905 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3906 dnl which breaks in-tree builds. So we do this manually instead.
3907 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3908 dnl be computed as ':' in MSYS Bash.
3911 dnl Everybody supports this, except MS-DOS.
3912 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3914 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3917 AC_DEFINE(DIRECTORY_SEP, ['/'],
3918 [Character that separates directories in a file name.])
3920 if test "${opsys}" = "mingw32"; then
3921 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3922 [Returns true if character is a device separator.])
3924 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3925 [Returns true if character is a directory separator.])
3927 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3928 [Returns true if character is any form of separator.])
3930 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3931 [Returns true if character is a device separator.])
3933 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3934 [Returns true if character is a directory separator.])
3936 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3937 [Returns true if character is any form of separator.])
3940 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3944 dnl Unfortunately without libXmu we cannot support EditRes.
3945 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3946 AC_DEFINE(NO_EDITRES, 1)
3951 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3952 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3953 AC_DEFINE(NO_EDITRES, 1)
3959 irix6-5 | sol2* | unixware )
3960 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3961 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3962 dnl need the constant to dimension an array. So wire in the appropriate
3964 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3968 emacs_broken_SIGIO=no
3971 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3972 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3973 hpux* | irix6-5 | openbsd | sol2* | unixware )
3974 emacs_broken_SIGIO=yes
3978 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3979 dnl the way this system works, libc functions that return malloced
3980 dnl memory use the libc malloc implementation. Calling xfree or
3981 dnl xrealloc on the results of such functions results in a crash.
3983 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3984 dnl but that does not currently work on this system.
3986 dnl It is possible to completely override the malloc implementation on
3987 dnl AIX, but that involves putting the malloc functions in a shared
3988 dnl library and setting the MALLOCTYPE environment variable to point to
3989 dnl that shared library.
3991 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3992 dnl to avoid a crash just use the Emacs implementation for that function.
3994 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3995 dnl of this file, so that we do not check for get_current_dir_name
3996 dnl on AIX. But that might be fragile if something else ends
3997 dnl up testing for get_current_dir_name as a dependency.
3998 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3999 get_current_dir_name should not be used.])
4003 dnl Circumvent a bug in FreeBSD. In the following sequence of
4004 dnl writes/reads on a PTY, read(2) returns bogus data:
4006 dnl write(2) 1022 bytes
4007 dnl write(2) 954 bytes, get EAGAIN
4008 dnl read(2) 1024 bytes in process_read_output
4009 dnl read(2) 11 bytes in process_read_output
4011 dnl That is, read(2) returns more bytes than have ever been written
4012 dnl successfully. The 1033 bytes read are the 1022 bytes written
4013 dnl successfully after processing (for example with CRs added if the
4014 dnl terminal is set up that way which it is here). The same bytes will
4015 dnl be seen again in a later read(2), without the CRs.
4016 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4017 work around an issue when reading from a PTY.])
4023 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4024 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4029 darwin | dragonfly | freebsd | netbsd | openbsd )
4030 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4031 close a pty to make it a controlling terminal (it is already a
4032 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4036 dnl FIXME Surely we can test for this rather than hard-code it.
4038 netbsd | openbsd) sound_device="/dev/audio" ;;
4039 *) sound_device="/dev/dsp" ;;
4043 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4044 [Name of the default sound device.])
4047 dnl Emacs can read input using SIGIO and buffering characters itself,
4048 dnl or using CBREAK mode and making C-g cause SIGINT.
4049 dnl The choice is controlled by the variable interrupt_input.
4051 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4053 dnl Emacs uses the presence of the USABLE_SIGIO macro
4054 dnl to indicate whether or not signal-driven I/O is possible. It uses
4055 dnl INTERRUPT_INPUT to decide whether to use it by default.
4057 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4058 dnl CBREAK mode has two disadvantages
4059 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4060 dnl I hear that in system V this problem does not exist.
4061 dnl 2) Control-G causes output to be discarded.
4062 dnl I do not know whether this can be fixed in system V.
4064 dnl Another method of doing input is planned but not implemented.
4065 dnl It would have Emacs fork off a separate process
4066 dnl to read the input and send it to the true Emacs process
4069 darwin | gnu-linux | gnu-kfreebsd )
4070 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4075 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4076 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4077 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4078 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4079 dnl taking float or double parameters.
4081 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4082 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4083 file defines `NeedWidePrototypes' as `NO'.])
4088 dnl Used in process.c, this must be a loop, even if it only runs once.
4089 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4090 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4091 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4092 dnl trying suffixes 0-16.
4093 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4094 first PTY, if PTYs are supported.])
4095 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4096 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4097 end of a PTY, if non-standard.])
4098 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4099 end of a PTY, if non-standard.])
4103 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4104 dnl You allocate a pty by opening /dev/ptc to get the master side.
4105 dnl To get the name of the slave side, you just ttyname() the master side.
4106 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4107 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4111 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4112 dnl multi-line AC_DEFINEs are hard. :(
4113 AC_DEFINE(PTY_OPEN, [ do { int dummy; sigset_t blocked, procmask; sigemptyset (&blocked); sigaddset (&blocked, SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, &procmask); if (-1 == openpty (&fd, &dummy, pty_name, 0, 0)) fd = -1; pthread_sigmask (SIG_SETMASK, &procmask, 0); if (fd >= 0) emacs_close (dummy); } while (false)])
4114 AC_DEFINE(PTY_NAME_SPRINTF, [])
4115 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4118 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4120 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4121 dnl Not used, because PTY_ITERATION is defined.
4122 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4123 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4124 dnl But we don't have to block SIGCHLD because it is blocked in the
4125 dnl implementation of grantpt.
4126 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4127 AC_DEFINE(PTY_NAME_SPRINTF, [])
4128 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4132 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4135 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4137 if test "x$ac_cv_func_grantpt" = xyes; then
4138 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4139 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4140 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4141 dnl to prevent sigchld_handler from intercepting the child's death.
4142 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); }])
4143 dnl if HAVE_POSIX_OPENPT
4144 if test "x$ac_cv_func_posix_openpt" = xyes; then
4145 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4146 AC_DEFINE(PTY_NAME_SPRINTF, [])
4148 elif test "x$ac_cv_func_getpt" = xyes; then
4149 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4150 AC_DEFINE(PTY_NAME_SPRINTF, [])
4152 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4155 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4160 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4161 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4162 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4166 dnl It looks like this cannot be right, because it is not a loop.
4167 dnl However, process.c actually does this:
4173 dnl which presumably makes it OK, since irix == sgi (?).
4174 dnl FIXME it seems like this special treatment is unnecessary?
4175 dnl Why can't irix use a single-trip loop like eg cygwin?
4176 AC_DEFINE(PTY_ITERATION, [])
4177 dnl Not used, because PTY_ITERATION is defined.
4178 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4179 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); }])
4180 dnl No need to get the pty name at all.
4181 AC_DEFINE(PTY_NAME_SPRINTF, [])
4182 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4183 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4187 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4188 dnl from intercepting that death. If any child but grantpt's should die
4189 dnl within, it should be caught after sigrelse(2).
4190 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); }])
4194 dnl Comments are as per sol2*.
4195 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); }])
4202 dnl This change means that we don't loop through allocate_pty too
4203 dnl many times in the (rare) event of a failure.
4204 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4205 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4206 dnl Push various streams modules onto a PTY channel. Used in process.c.
4207 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.])
4212 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4213 "typing" a signal character on the pty.])
4216 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4217 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4218 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4219 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4222 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4223 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4224 gnu-linux | gnu-kfreebsd )
4226 AC_MSG_CHECKING([for signals via characters])
4227 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4228 #include <linux/version.h>
4229 #if LINUX_VERSION_CODE < 0x20400
4230 # error "Linux version too old"
4232 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4234 AC_MSG_RESULT([$emacs_signals_via_chars])
4235 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4240 dnl Used in lisp.h, emacs.c, vm-limit.c
4241 dnl NEWS.18 describes this as "a number which contains
4242 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4243 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4244 stored in a Lisp_Object.])
4245 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4249 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4250 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4253 dnl The data segment on this machine always starts at address 0x40000000.
4254 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4257 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4262 AH_TEMPLATE(TAB3, [Undocumented.])
4265 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4267 gnu | dragonfly | freebsd | netbsd | openbsd )
4268 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4269 AC_DEFINE(TAB3, OXTABS)
4272 gnu-linux | gnu-kfreebsd )
4273 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4277 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4278 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4279 [Mark a secondary stack, like the register stack on the ia64.]), [])
4283 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4284 run_time_remap; for HPUX.])
4289 dnl This won't be used automatically yet. We also need to know, at least,
4290 dnl that the stack is continuous.
4291 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4292 registers relevant for conservative garbage collection in the jmp_buf.])
4296 dnl Not all the architectures are tested, but there are Debian packages
4297 dnl for SCM and/or Guile on them, so the technique must work. See also
4298 dnl comments in alloc.c concerning setjmp and gcc.
4299 dnl Fixme: it's probably safe to just use the GCC conditional below.
4300 gnu-linux | gnu-kfreebsd )
4301 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4302 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4303 || defined __alpha__ || defined __mips__ || defined __s390__ \
4304 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4305 || defined __ia64__ || defined __sh__
4308 # error "setjmp not known to work on this arch"
4310 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4315 if test x$GCC = xyes; then
4316 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4317 AC_DEFINE(GC_SETJMP_WORKS, 1)
4320 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4321 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4322 AC_DEFINE(GC_SETJMP_WORKS, 1)
4327 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4328 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4331 [[#include <setjmp.h>
4333 # define _longjmp longjmp
4338 _longjmp (j, 1);]])],
4339 [emacs_cv_func__setjmp=yes],
4340 [emacs_cv_func__setjmp=no])])
4341 if test $emacs_cv_func__setjmp = yes; then
4342 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4344 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4347 [[#include <setjmp.h>
4350 if (! sigsetjmp (j, 1))
4351 siglongjmp (j, 1);]])],
4352 [emacs_cv_func_sigsetjmp=yes],
4353 [emacs_cv_func_sigsetjmp=no])])
4354 if test $emacs_cv_func_sigsetjmp = yes; then
4355 AC_DEFINE([HAVE_SIGSETJMP], 1,
4356 [Define to 1 if sigsetjmp and siglongjmp work.
4357 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4363 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4364 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4365 dnl and this is all we need.
4366 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4373 dnl Used in xfaces.c.
4374 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4375 some systems, where it requires time.h.])
4380 dnl Define symbols to identify the version of Unix this is.
4381 dnl Define all the symbols that apply correctly.
4382 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4383 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4384 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4385 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4390 dnl This symbol should be defined on AIX Version 3 ???????
4391 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4393 # error "_AIX not defined"
4395 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4399 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4403 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4404 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4405 dnl distinguish OS X from pure Darwin.
4406 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4409 gnu-linux | gnu-kfreebsd )
4411 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4416 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4421 AC_DEFINE(USG5_4, [])
4422 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4426 AC_DEFINE(DOS_NT, [])
4427 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4428 if test "x$ac_enable_checking" != "x" ; then
4429 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4435 AC_DEFINE(USG5_4, [])
4436 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4441 AC_DEFINE(USG5_4, [])
4445 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4448 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4449 emacs_cv_usable_FIONREAD=no
4453 emacs_cv_usable_FIONREAD=yes
4458 [AC_LANG_PROGRAM([[#include <sys/types.h>
4459 #include <sys/ioctl.h>
4461 # include <sys/filio.h>
4464 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4465 [emacs_cv_usable_FIONREAD=yes],
4466 [emacs_cv_usable_FIONREAD=no])
4469 if test $emacs_cv_usable_FIONREAD = yes; then
4470 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4472 if test $emacs_broken_SIGIO = no; then
4473 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4475 [AC_LANG_PROGRAM([[#include <fcntl.h>
4478 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4479 [emacs_cv_usable_SIGIO=yes],
4480 [emacs_cv_usable_SIGIO=no])],
4481 [emacs_cv_usable_SIGIO=yes],
4482 [emacs_cv_usable_SIGIO=no])
4483 if test $emacs_cv_usable_SIGIO = yes; then
4484 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4491 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4492 dnl and on Cygwin prior to version 1.7.24 that becomes the
4493 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4494 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4495 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4496 dnl needed starting with cygwin-1.7.24, and it is no longer
4497 dnl effective starting with glib-2.36. */
4499 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4500 G_SLICE environment variable to "always-malloc" at startup.])
4504 dnl It works to open the pty's tty in the parent (Emacs), then
4505 dnl close and reopen it in the child.
4506 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4507 works to open a pty's tty in the parent process, then close and
4508 reopen it in the child.])
4512 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4513 use VSUSP instead of VSWTCH.])
4517 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4522 # Set up the CFLAGS for real compilation, so we can substitute it.
4523 CFLAGS="$REAL_CFLAGS"
4524 CPPFLAGS="$REAL_CPPFLAGS"
4526 ## Hack to detect a buggy GCC version.
4527 if test "x$GCC" = xyes \
4528 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4529 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4530 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4531 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4534 version=$PACKAGE_VERSION
4536 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4537 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4538 [Short copyright string for this version of Emacs.])
4541 ### Specify what sort of things we'll be editing into Makefile and config.h.
4542 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4544 AC_SUBST(configuration)
4549 AC_SUBST(exec_prefix)
4552 AC_SUBST(sharedstatedir)
4553 AC_SUBST(libexecdir)
4557 AC_SUBST(standardlisppath)
4558 AC_SUBST(locallisppath)
4560 AC_SUBST(x_default_search_path)
4562 AC_SUBST(archlibdir)
4567 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4568 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4569 ## end of LIBX_BASE, but nothing ever set it.
4570 AC_SUBST(LD_SWITCH_X_SITE)
4571 AC_SUBST(C_SWITCH_X_SITE)
4572 AC_SUBST(GNUSTEP_CFLAGS)
4574 ## Used in lwlib/Makefile.in.
4575 AC_SUBST(X_TOOLKIT_TYPE)
4577 AC_SUBST(ns_appbindir)
4578 AC_SUBST(ns_appresdir)
4580 AC_SUBST(GNU_OBJC_CFLAGS)
4581 AC_SUBST(OTHER_FILES)
4583 if test -n "${term_header}"; then
4584 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4585 [Define to the header for the built-in window system.])
4588 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4589 [Define to the canonical Emacs configuration name.])
4590 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4591 [Define to the options passed to configure.])
4592 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4593 define this to include extra configuration information.])
4597 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4604 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4605 AC_DEFINE(HAVE_X_WINDOWS, 1,
4606 [Define to 1 if you want to use the X window system.])
4608 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4610 if test "$HAVE_XFT" = "yes"; then
4611 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4612 elif test "$HAVE_FREETYPE" = "yes"; then
4613 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4623 if test "${USE_X_TOOLKIT}" != "none" ; then
4625 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4626 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4627 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4628 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4629 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4633 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4634 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4638 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4639 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4640 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4644 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4645 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4648 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4651 AC_SUBST(WIDGET_OBJ)
4654 case "$USE_X_TOOLKIT" in
4655 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4656 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4657 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4659 AC_SUBST(TOOLKIT_LIBW)
4661 if test "${opsys}" != "mingw32"; then
4662 if test "$USE_X_TOOLKIT" = "none"; then
4663 LIBXT_OTHER="\$(LIBXSM)"
4665 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4668 AC_SUBST(LIBXT_OTHER)
4670 if test "${HAVE_X11}" = "yes" ; then
4671 AC_DEFINE(HAVE_X11, 1,
4672 [Define to 1 if you want to use version 11 of X windows.])
4673 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4677 AC_SUBST(LIBX_OTHER)
4679 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4681 elif test "$USE_X_TOOLKIT" = none; then
4682 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4684 LIBXMENU='$(lwlibdir)/liblw.a'
4688 if test "${GNU_MALLOC}" = "yes" ; then
4689 AC_DEFINE(GNU_MALLOC, 1,
4690 [Define to 1 if you want to use the GNU memory allocator.])
4694 if test "${REL_ALLOC}" = "yes" ; then
4695 AC_DEFINE(REL_ALLOC, 1,
4696 [Define REL_ALLOC if you want to use the relocating allocator for
4699 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4701 AC_SUBST(RALLOC_OBJ)
4703 if test "$opsys" = "cygwin"; then
4704 CYGWIN_OBJ="sheap.o cygw32.o"
4705 ## Cygwin differs because of its unexec().
4707 POST_ALLOC_OBJ=lastfile.o
4708 elif test "$opsys" = "mingw32"; then
4711 POST_ALLOC_OBJ=lastfile.o
4714 PRE_ALLOC_OBJ=lastfile.o
4717 AC_SUBST(CYGWIN_OBJ)
4718 AC_SUBST(PRE_ALLOC_OBJ)
4719 AC_SUBST(POST_ALLOC_OBJ)
4721 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4722 dnl verbatim defined above. The tricky name is apropos, as this hack
4723 dnl makes Fortify go sour!
4724 AH_VERBATIM([FORTIFY_SOUR],
4725 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4726 The workaround disables some useful run-time checking, so it
4727 should be conditional to the platforms with the performance bug.
4728 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4729 #if defined __APPLE__ && defined __GNUC__
4730 # ifndef _DONT_USE_CTYPE_INLINE_
4731 # define _DONT_USE_CTYPE_INLINE_
4733 # ifndef _FORTIFY_SOURCE
4734 # define _FORTIFY_SOURCE 0
4739 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4740 # it temporarily reverts them to their pre-pkg-config values,
4741 # because gnulib needs to work with both src (which uses the
4742 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4743 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4744 # and it therefore needs to run in an environment where LIBS does not
4745 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4746 # for some package unrelated to lib-src.
4749 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4750 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4751 gl_ASSERT_NO_GNULIB_POSIXCHECK
4752 gl_ASSERT_NO_GNULIB_TESTS
4757 if test "${opsys}" = "mingw32"; then
4758 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4759 # Remove unneeded switches from the value of CC that goes to Makefiles
4760 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4764 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4767 ## The -headerpad option tells ld (see man page) to leave room at the
4768 ## end of the header for adding load commands. Needed for dumping.
4769 ## 0x690 is the total size of 30 segment load commands (at 56
4770 ## each); under Cocoa 31 commands are required.
4771 if test "$HAVE_NS" = "yes"; then
4772 libs_nsgui="-framework AppKit"
4773 if test "$NS_IMPL_COCOA" = "yes"; then
4774 libs_nsgui="$libs_nsgui -framework IOKit"
4781 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4783 ## This is here because src/Makefile.in did some extra fiddling around
4784 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4785 ## LD_SWITCH_SYSTEM_TEMACS instead,
4786 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4787 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4790 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4791 ## find X at run-time.
4792 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4793 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4794 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4795 ## had different values in configure (in ac_link) and src/Makefile.in.
4796 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4797 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4800 ## MinGW64 does not prepend an underscore to symbols, so we must
4801 ## pass a different -entry switch to linker. FIXME: It is better
4802 ## to make the entry points the same by changing unexw32.c.
4803 case "$canonical" in
4804 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4805 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4809 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4811 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4814 if test x$ac_enable_profiling != x ; then
4816 *freebsd | gnu-linux) ;;
4817 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4821 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4823 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4825 ## MinGW-specific post-link processing of temacs.
4826 TEMACS_POST_LINK=":"
4829 if test "${opsys}" = "mingw32"; then
4830 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4831 ADDSECTION="../nt/addsection\$(EXEEXT)"
4832 ## Preload heap size of temacs.exe in MB.
4833 case "$canonical" in
4834 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4835 *) EMACS_HEAPSIZE=27 ;;
4839 AC_SUBST(ADDSECTION)
4840 AC_SUBST(TEMACS_POST_LINK)
4841 AC_SUBST(EMACS_HEAPSIZE)
4843 ## Common for all window systems
4844 if test "$window_system" != "none"; then
4845 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4846 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4849 AC_SUBST(WINDOW_SYSTEM_OBJ)
4851 AH_TOP([/* GNU Emacs site configuration template file.
4853 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4854 Free Software Foundation, Inc.
4856 This file is part of GNU Emacs.
4858 GNU Emacs is free software: you can redistribute it and/or modify
4859 it under the terms of the GNU General Public License as published by
4860 the Free Software Foundation, either version 3 of the License, or
4861 (at your option) any later version.
4863 GNU Emacs is distributed in the hope that it will be useful,
4864 but WITHOUT ANY WARRANTY; without even the implied warranty of
4865 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4866 GNU General Public License for more details.
4868 You should have received a copy of the GNU General Public License
4869 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4872 /* No code in Emacs #includes config.h twice, but some bits of code
4873 intended to work with other packages as well (like gmalloc.c)
4874 think they can include it as many times as they like. */
4875 #ifndef EMACS_CONFIG_H
4876 #define EMACS_CONFIG_H
4879 AH_BOTTOM([#include <conf_post.h>
4881 #endif /* EMACS_CONFIG_H */
4890 #### Report on what we decided to do.
4891 #### Report GTK as a toolkit, even if it doesn't use Xt.
4892 #### It makes printing result more understandable as using GTK sets
4893 #### toolkit_scroll_bars to yes by default.
4894 if test "${HAVE_GTK}" = "yes"; then
4895 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4898 if test $USE_ACL -ne 0; then
4899 acl_summary="yes $LIB_ACL"
4905 Configured for \`${canonical}'.
4907 Where should the build process find the source code? ${srcdir}
4908 What compiler should emacs be built with? ${CC} ${CFLAGS}
4909 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4910 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4911 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4912 What window system should Emacs use? ${window_system}
4913 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4915 if test -n "${x_includes}"; then
4916 echo " Where do we find X Windows header files? ${x_includes}"
4918 echo " Where do we find X Windows header files? Standard dirs"
4920 if test -n "${x_libraries}"; then
4921 echo " Where do we find X Windows libraries? ${x_libraries}"
4923 echo " Where do we find X Windows libraries? Standard dirs"
4926 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4927 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4928 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4929 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4930 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4931 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4932 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4933 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4935 echo " Does Emacs support sound? ${HAVE_SOUND}"
4937 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4938 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4939 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4940 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4941 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4942 echo " Does Emacs use access control lists? ${acl_summary}"
4943 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4944 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4945 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4947 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4948 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4949 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4950 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4951 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4953 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4956 if test -n "${EMACSDATA}"; then
4957 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4959 if test -n "${EMACSDOC}"; then
4960 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4965 if test "$HAVE_NS" = "yes"; then
4967 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4968 The installed application will go to nextstep/Emacs.app and can be
4969 run or moved from there."
4970 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4971 echo "The application will be fully self-contained."
4973 echo "The lisp resources for the application will be installed under ${prefix}.
4974 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4975 to run if these resources are not installed."
4980 if test "${opsys}" = "cygwin"; then
4982 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4988 # Remove any trailing slashes in these variables.
4989 [test "${prefix}" != NONE &&
4990 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4991 test "${exec_prefix}" != NONE &&
4992 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4994 if test "$HAVE_NS" = "yes"; then
4995 if test "$NS_IMPL_GNUSTEP" = yes; then
4996 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4997 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4998 ns_check_file=Resources/Info-gnustep.plist
5000 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5001 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5002 ns_check_file=Contents/Info.plist
5004 AC_SUBST(ns_check_file)
5007 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5008 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5009 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5010 dnl (else you get "no `Makefile.am' found for any configure output").
5011 dnl This will work, but you get a config.status that is not quite right
5012 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5013 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5014 dnl it seems better to just live with the duplication.
5015 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5017 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5018 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5019 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5020 leim/Makefile nextstep/Makefile nt/Makefile])
5022 dnl test/ is not present in release tarfiles.
5023 opt_makefile=test/automated/Makefile
5025 if test -f "$srcdir/$opt_makefile.in"; then
5026 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5027 dnl Again, it's best not to use a variable. Though you can add
5028 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5029 AC_CONFIG_FILES([test/automated/Makefile])
5033 dnl The admin/ directory used to be excluded from tarfiles.
5034 if test -d $srcdir/admin; then
5035 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5036 AC_CONFIG_FILES([admin/unidata/Makefile])
5037 AC_CONFIG_FILES([admin/grammars/Makefile])
5041 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5043 AC_SUBST(SUBDIR_MAKEFILES_IN)
5045 dnl You might wonder (I did) why epaths.h is generated by running make,
5046 dnl rather than just letting configure generate it from epaths.in.
5047 dnl One reason is that the various paths are not fully expanded (see above);
5048 dnl eg gamedir=${prefix}/var/games/emacs.
5049 dnl Secondly, the GNU Coding standards require that one should be able
5050 dnl to run `make prefix=/some/where/else' and override the values set
5051 dnl by configure. This also explains the `move-if-change' test and
5052 dnl the use of force in the `epaths-force' rule in Makefile.in.
5053 AC_CONFIG_COMMANDS([src/epaths.h], [
5054 if test "${opsys}" = "mingw32"; then
5055 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5057 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5059 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5061 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5062 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5064 AC_CONFIG_COMMANDS([src/.gdbinit], [
5065 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5066 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit