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 "$XCRUN"; then
88 if test -z "$MAKE"; then
89 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
90 dnl SET_MAKE and with the usual MAKE variable that 'make' itself uses.
91 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
92 if test -z "$MAKE_PROG"; then
97 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
100 dnl Fairly arbitrary, older versions might work too.
101 AM_INIT_AUTOMAKE(1.11)
103 dnl Support for --program-prefix, --program-suffix and
104 dnl --program-transform-name options
107 dnl It is important that variables on the RHS not be expanded here,
108 dnl hence the single quotes. This is per the GNU coding standards, see
109 dnl (autoconf) Installation Directory Variables
110 dnl See also epaths.h below.
111 lispdir='${datadir}/emacs/${version}/lisp'
112 standardlisppath='${lispdir}'
113 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
114 '${datadir}/emacs/site-lisp'
115 lisppath='${locallisppath}:${standardlisppath}'
116 etcdir='${datadir}/emacs/${version}/etc'
117 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
118 etcdocdir='${datadir}/emacs/${version}/etc'
119 gamedir='${localstatedir}/games/emacs'
121 dnl Special option to disable the most of other options.
123 [AS_HELP_STRING([--without-all],
124 [omit almost all features and build
125 small executable with minimal dependencies])],
126 [with_features=$withval],
129 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
130 dnl Create a new --with option that defaults to being disabled.
131 dnl NAME is the base name of the option. The shell variable with_NAME
132 dnl will be set to either the user's value (if the option is
133 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
134 dnl option is not specified). Note that the shell variable name is
135 dnl constructed as autoconf does, by replacing non-alphanumeric
136 dnl characters with "_".
137 dnl HELP-STRING is the help text for the option.
138 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
139 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
140 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
143 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
144 dnl Create a new --with option that defaults to $with_features.
145 dnl NAME is the base name of the option. The shell variable with_NAME
146 dnl will be set either to 'no' (for a plain --without-NAME) or to
147 dnl 'yes' (if the option is not specified). Note that the shell
148 dnl variable name is constructed as autoconf does, by replacing
149 dnl non-alphanumeric characters with "_".
150 dnl HELP-STRING is the help text for the option.
151 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
152 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
153 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
156 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
157 if test "$with_pop" = yes; then
158 AC_DEFINE(MAIL_USE_POP)
160 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
162 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
163 if test "$with_kerberos" != no; then
166 AH_TEMPLATE(KERBEROS,
167 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
169 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
170 if test "${with_kerberos5}" != no; then
171 if test "${with_kerberos}" = no; then
175 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
178 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
179 dnl FIXME hesiod support may not be present, so it seems like an error
180 dnl to define, or at least use, this unconditionally.
181 if test "$with_hesiod" != no; then
182 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
185 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
186 if test "$with_mmdf" != no; then
187 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
190 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
191 if test "$with_mail_unlink" != no; then
192 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
195 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
196 [string giving default POP mail host])],
197 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
199 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
200 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
201 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
202 [ case "${withval}" in
203 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
204 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
205 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
210 [with_sound=$with_features])
212 dnl FIXME currently it is not the last.
213 dnl This should be the last --with option, because --with-x is
214 dnl added later on when we find the file name of X, and it's best to
215 dnl keep them together visually.
216 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
217 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
218 [ case "${withval}" in
219 y | ye | yes ) val=gtk ;;
221 l | lu | luc | luci | lucid ) val=lucid ;;
222 a | at | ath | athe | athen | athena ) val=athena ;;
223 m | mo | mot | moti | motif ) val=motif ;;
224 g | gt | gtk ) val=gtk ;;
228 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
229 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
230 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
231 `athena' and `lucid' are synonyms.])
237 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
238 if test "$with_wide_int" = yes; then
239 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
242 dnl _ON results in a '--without' option in the --help output, so
243 dnl the help text should refer to "don't compile", etc.
244 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
245 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
246 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
247 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
248 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
249 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
250 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
251 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
253 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
254 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
255 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
257 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
258 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
259 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
260 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
261 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
263 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
264 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
265 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
266 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
267 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
268 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
269 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
271 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
272 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
273 [ case "${withval}" in
274 y | ye | yes ) val=yes ;;
276 g | gf | gfi | gfil | gfile ) val=gfile ;;
277 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
278 w | w3 | w32 ) val=w32 ;;
279 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
280 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
281 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
282 otherwise for the first of `gfile' or `inotify' that is usable.])
285 with_file_notification=$val
287 [with_file_notification=$with_features])
289 ## For the times when you want to build Emacs but don't have
290 ## a suitable makeinfo, and can live without the manuals.
291 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
292 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
294 ## Makefile.in needs the cache file name.
297 ## This is an option because I do not know if all info/man support
298 ## compressed files, nor how to test if they do so.
299 OPTION_DEFAULT_ON([compress-install],
300 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
301 make GZIP_PROG= install])
303 AC_ARG_WITH([pkg-config-prog],dnl
304 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
305 [file name of pkg-config for finding GTK and librsvg])])
306 if test "X${with_pkg_config_prog}" != X; then
307 if test "${with_pkg_config_prog}" != yes; then
308 PKG_CONFIG="${with_pkg_config_prog}"
312 AC_ARG_WITH(gameuser,dnl
313 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
314 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
315 && gameuser="${with_gameuser}"
316 test "X$gameuser" = X && gameuser=games
318 AC_ARG_WITH([gnustep-conf],dnl
319 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
320 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
321 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
322 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
323 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
324 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
326 AC_ARG_ENABLE(ns-self-contained,
327 [AS_HELP_STRING([--disable-ns-self-contained],
328 [disable self contained build under NeXTstep])],
329 EN_NS_SELF_CONTAINED=$enableval,
330 EN_NS_SELF_CONTAINED=yes)
332 AC_ARG_ENABLE(locallisppath,
333 [AS_HELP_STRING([--enable-locallisppath=PATH],
334 [directories Emacs should search for lisp files specific
336 if test "${enableval}" = "no"; then
338 elif test "${enableval}" != "yes"; then
339 locallisppath=${enableval}
342 AC_ARG_ENABLE(checking,
343 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
344 [enable expensive run-time checks. With LIST,
345 enable only specific categories of checks.
346 Categories are: all,yes,no.
347 Flags are: stringbytes, stringoverrun, stringfreelist,
348 xmallocoverrun, conslist, glyphs])],
349 [ac_checking_flags="${enableval}"],[])
350 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
351 for check in $ac_checking_flags
354 # these set all the flags to specific states
355 yes) ac_enable_checking=1 ;;
356 no) ac_enable_checking= ;
357 ac_gc_check_stringbytes= ;
358 ac_gc_check_string_overrun= ;
359 ac_gc_check_string_free_list= ;
360 ac_xmalloc_overrun= ;
361 ac_gc_check_cons_list= ;
363 all) ac_enable_checking=1 ;
364 ac_gc_check_stringbytes=1 ;
365 ac_gc_check_string_overrun=1 ;
366 ac_gc_check_string_free_list=1 ;
367 ac_xmalloc_overrun=1 ;
368 ac_gc_check_cons_list=1 ;
370 # these enable particular checks
371 stringbytes) ac_gc_check_stringbytes=1 ;;
372 stringoverrun) ac_gc_check_string_overrun=1 ;;
373 stringfreelist) ac_gc_check_string_free_list=1 ;;
374 xmallocoverrun) ac_xmalloc_overrun=1 ;;
375 conslist) ac_gc_check_cons_list=1 ;;
376 glyphs) ac_glyphs_debug=1 ;;
377 *) AC_MSG_ERROR(unknown check category $check) ;;
382 if test x$ac_enable_checking != x ; then
383 AC_DEFINE(ENABLE_CHECKING, 1,
384 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
386 if test x$ac_gc_check_stringbytes != x ; then
387 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
388 [Define this temporarily to hunt a bug. If defined, the size of
389 strings is redundantly recorded in sdata structures so that it can
390 be compared to the sizes recorded in Lisp strings.])
392 if test x$ac_gc_check_string_overrun != x ; then
393 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
394 [Define this to check for short string overrun.])
396 if test x$ac_gc_check_string_free_list != x ; then
397 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
398 [Define this to check the string free list.])
400 if test x$ac_xmalloc_overrun != x ; then
401 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
402 [Define this to check for malloc buffer overrun.])
404 if test x$ac_gc_check_cons_list != x ; then
405 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
406 [Define this to check for errors in cons list.])
408 if test x$ac_glyphs_debug != x ; then
409 AC_DEFINE(GLYPH_DEBUG, 1,
410 [Define this to enable glyphs debugging code.])
413 AC_ARG_ENABLE(check-lisp-object-type,
414 [AS_HELP_STRING([--enable-check-lisp-object-type],
415 [enable compile time checks for the Lisp_Object data type.
416 This is useful for development for catching certain types of bugs.])],
417 if test "${enableval}" != "no"; then
418 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
419 [Define this to enable compile time checks for the Lisp_Object data type.])
423 dnl The name of this option is unfortunate. It predates, and has no
424 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
425 dnl Actually, it stops it working.
426 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
427 AC_ARG_ENABLE(profiling,
428 [AS_HELP_STRING([--enable-profiling],
429 [build emacs with low-level, gprof profiling support.
430 Mainly useful for debugging Emacs itself. May not work on
431 all platforms. Stops profiler.el working.])],
432 [ac_enable_profiling="${enableval}"],[])
433 if test x$ac_enable_profiling != x ; then
434 PROFILING_CFLAGS="-DPROFILING=1 -pg"
438 AC_SUBST(PROFILING_CFLAGS)
440 AC_ARG_ENABLE(autodepend,
441 [AS_HELP_STRING([--enable-autodepend],
442 [automatically generate dependencies to .h-files.
443 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
445 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
447 AC_ARG_ENABLE(gtk-deprecation-warnings,
448 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
449 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
450 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
452 ### Canonicalize the configuration name.
456 configuration=${host_alias-${build_alias-$host}}
458 dnl This used to use changequote, but, apart from `changequote is evil'
459 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
460 dnl the great gob of text. Thus it's not processed for possible expansion.
461 dnl Just make sure the brackets remain balanced.
463 dnl Since Emacs can't find matching pairs of quotes, boundaries are
464 dnl indicated by comments.
468 ### If you add support for a new configuration, add code to this
469 ### switch statement to recognize your configuration name and select
470 ### the appropriate operating system file.
472 ### You would hope that you could choose an s/*.h
473 ### file based on the operating system portion. However, it turns out
474 ### that each s/*.h file is pretty manufacturer-specific.
475 ### So we basically have to have a special case for each
476 ### configuration name.
478 ### As far as handling version numbers on operating systems is
479 ### concerned, make sure things will fail in a fixable way. If
480 ### /etc/MACHINES doesn't say anything about version numbers, be
481 ### prepared to handle anything reasonably. If version numbers
482 ### matter, be sure /etc/MACHINES says something about it.
485 case "${canonical}" in
487 ## GNU/Linux and similar ports
502 ## FreeBSD kernel + glibc based userland
517 ## Apple Darwin / Mac OS X
519 case "${canonical}" in
526 ## Use fink packages if available.
527 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
528 ## if test -d /sw/include && test -d /sw/lib; then
529 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
530 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
539 ## HP 9000 series 700 and 800, running HP/UX
543 hppa*-hp-hpux1[1-9]* )
545 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
549 rs6000-ibm-aix4.[23]* )
552 powerpc-ibm-aix4.[23]* )
555 rs6000-ibm-aix[56]* )
558 powerpc-ibm-aix[56]* )
562 ## Silicon Graphics machines
566 # Without defining _LANGUAGE_C, things get masked out in the headers
567 # so that, for instance, grepping for `free' in stdlib.h fails and
568 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
569 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
574 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
575 | x86_64-*-solaris2* | x86_64-*-sunos5*)
576 case "${canonical}" in
578 amd64-*-*|x86_64-*-*) ;;
582 case "${canonical}" in
583 *-sunos5.6* | *-solaris2.6* )
587 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
589 emacs_check_sunpro_c=yes
591 *-sunos5* | *-solaris* )
593 emacs_check_sunpro_c=yes
596 ## Watch out for a compiler that we know will not work.
597 case "${canonical}" in
598 *-solaris* | *-sunos5* )
599 if [ "x$CC" = x/usr/ucb/cc ]; then
600 ## /usr/ucb/cc doesn't work;
601 ## we should find some other compiler that does work.
609 ## Intel 386 machines where we don't care about the manufacturer.
611 case "${canonical}" in
612 *-darwin* ) opsys=darwin ;;
615 # MinGW overrides and adds some system headers in nt/inc.
616 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
618 *-sysv4.2uw* ) opsys=unixware ;;
619 *-sysv5uw* ) opsys=unixware ;;
620 *-sysv5OpenUNIX* ) opsys=unixware ;;
621 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
630 ### If the code above didn't choose an operating system, just choose
631 ### an operating system based on the configuration name. You really
632 ### only want to use this when you have no idea what the right
633 ### operating system is; if you know what operating systems a machine
634 ### runs, it's cleaner to make it explicit in the case statement
636 if test x"${opsys}" = x; then
637 case "${canonical}" in
638 *-gnu* ) opsys=gnu ;;
648 if test $unported = yes; then
649 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
650 Check `etc/MACHINES' for recognized configuration names.])
654 #### Choose a compiler.
656 dnl Sets GCC=yes if using gcc.
657 if test -n "$XCRUN"; then
658 if test -z "$CC"; then
659 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
661 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
662 test -n "$AR" && export AR
668 if test x$GCC = xyes; then
669 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
671 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
674 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
675 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
676 dnl that clash with MinGW.
677 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
679 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
680 AC_DEFUN([gl_CRYPTO_CHECK])
681 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
682 # as we don't use them.
683 AC_DEFUN([gl_FCNTL_O_FLAGS])
684 # Avoid gnulib's threadlib module, as we do threads our own way.
685 AC_DEFUN([gl_THREADLIB])
687 # Initialize gnulib right after choosing the compiler.
688 dnl Amongst other things, this sets AR and ARFLAGS.
691 if test "$ac_test_CFLAGS" != set; then
692 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
693 # if -g3 works and the user does not specify CFLAGS.
694 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
697 emacs_g3_CFLAGS='-g3';;
699 emacs_g3_CFLAGS='-g3 -O2';;
703 if test -n "$emacs_g3_CFLAGS"; then
704 emacs_save_CFLAGS=$CFLAGS
705 CFLAGS=$emacs_g3_CFLAGS
706 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
707 [emacs_cv_prog_cc_g3],
708 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
709 [emacs_cv_prog_cc_g3=yes],
710 [emacs_cv_prog_cc_g3=no])])
711 if test $emacs_cv_prog_cc_g3 != yes; then
712 CFLAGS=$emacs_save_CFLAGS
714 if test $opsys = mingw32; then
715 CFLAGS="$CFLAGS -gdwarf-2"
722 # No optimization flag was inferred for this non-GCC compiler.
723 # Try -O. This is needed for xlc on AIX; see Bug#14258.
724 emacs_save_CFLAGS=$CFLAGS
725 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
727 AC_CACHE_CHECK([whether $CC accepts -O],
728 [emacs_cv_prog_cc_o],
729 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
730 [emacs_cv_prog_cc_o=yes],
731 [emacs_cv_prog_cc_o=no])])
732 if test $emacs_cv_prog_cc_o != yes; then
733 CFLAGS=$emacs_save_CFLAGS
738 AC_ARG_ENABLE([gcc-warnings],
739 [AS_HELP_STRING([--enable-gcc-warnings],
740 [turn on lots of GCC warnings/errors. This is intended for
741 developers, and may generate false alarms when used
742 with older or non-GNU development tools.])],
745 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
747 gl_gcc_warnings=$enableval],
751 AC_ARG_ENABLE(link-time-optimization,
752 [AS_HELP_STRING([--enable-link-time-optimization],
753 [build emacs with link-time optimization.
754 This is supported only for GCC since 4.5.0.])],
755 if test "${enableval}" != "no"; then
756 AC_MSG_CHECKING([whether link-time optimization is supported])
758 if test x$GCC = xyes; then
759 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
760 if test x$CPUS != x; then
766 CFLAGS="$CFLAGS $LTO"
767 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
768 [ac_lto_supported=yes], [ac_lto_supported=no])
771 AC_MSG_RESULT([$ac_lto_supported])
772 if test "$ac_lto_supported" = "yes"; then
773 CFLAGS="$CFLAGS $LTO"
777 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
778 # ------------------------------------------------
779 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
780 # Otherwise, run RUN-IF-NOT-FOUND.
781 AC_DEFUN([gl_GCC_VERSION_IFELSE],
785 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
788 # error "your version of gcc is older than $1.$2"
795 # clang is unduly picky about some things.
796 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
803 [emacs_cv_clang=yes],
804 [emacs_cv_clang=no])])
806 # When compiling with GCC, prefer -isystem to -I when including system
807 # include files, to avoid generating useless diagnostics for the files.
808 if test "$gl_gcc_warnings" != yes; then
810 if test "$emacs_cv_clang" = yes
812 # Turn off some warnings if supported.
813 gl_WARN_ADD([-Wno-switch])
814 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
815 gl_WARN_ADD([-Wno-pointer-sign])
820 # This, $nw, is the list of warnings we disable.
823 case $with_x_toolkit in
824 lucid | athena | motif)
825 # Old toolkits mishandle 'const'.
826 nw="$nw -Wwrite-strings"
829 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
832 AC_SUBST([WERROR_CFLAGS])
834 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
835 nw="$nw -Woverlength-strings" # Not a problem these days
836 nw="$nw -Wlogical-op" # any use of fwrite provokes this
837 nw="$nw -Wformat-nonliteral" # we do this a lot
838 nw="$nw -Wvla" # warnings in gettext.h
839 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
840 nw="$nw -Wswitch-default" # Too many warnings for now
841 nw="$nw -Winline" # OK to ignore 'inline'
842 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
843 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
844 # signed overflow has undefined behavior
845 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
846 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
847 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
849 # Emacs doesn't care about shadowing; see
850 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
853 # Emacs's use of alloca inhibits protecting the stack.
854 nw="$nw -Wstack-protector"
856 # The following line should be removable at some point.
857 nw="$nw -Wsuggest-attribute=pure"
859 # This part is merely for shortening the command line,
860 # since -Wno-FOO needs to be added below regardless.
861 nw="$nw -Wmissing-field-initializers"
863 nw="$nw -Wtype-limits"
864 nw="$nw -Wunused-parameter"
866 if test $emacs_cv_clang = yes; then
867 nw="$nw -Wcast-align"
870 gl_MANYWARN_ALL_GCC([ws])
871 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
875 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
876 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
877 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
878 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
879 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
880 gl_WARN_ADD([-Wno-format-nonliteral])
882 # In spite of excluding -Wlogical-op above, it is enabled, as of
883 # gcc 4.5.0 20090517.
884 gl_WARN_ADD([-Wno-logical-op])
886 # More things that clang is unduly picky about.
887 if test $emacs_cv_clang = yes; then
888 gl_WARN_ADD([-Wno-format-extra-args])
889 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
890 gl_WARN_ADD([-Wno-unused-command-line-argument])
891 gl_WARN_ADD([-Wno-unused-value])
894 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
895 AH_VERBATIM([FORTIFY_SOURCE],
896 [/* Enable compile-time and run-time bounds-checking, and some warnings,
897 without upsetting glibc 2.15+. */
898 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
899 # define _FORTIFY_SOURCE 2
902 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
904 # We use a slightly smaller set of warning options for lib/.
905 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
907 nw="$nw -Wunused-macros"
909 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
910 AC_SUBST([GNULIB_WARN_CFLAGS])
915 dnl Some other nice autoconf tests.
916 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
919 dnl if test "x$RANLIB" = x; then
924 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
925 dnl can be made to directories. This is not relevant for our usage, and
926 dnl excludes some cases that work fine for us. Eg MS Windows or files
927 dnl hosted on AFS, both examples where simple links work, but links to
928 dnl directories fail. We use a cut-down version instead.
931 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
932 rm -f conf$$ conf$$.file
934 LN_S_FILEONLY='cp -p'
936 if (echo >conf$$.file) 2>/dev/null; then
937 if ln -s conf$$.file conf$$ 2>/dev/null; then
938 LN_S_FILEONLY='ln -s'
939 elif ln conf$$.file conf$$ 2>/dev/null; then
944 rm -f conf$$ conf$$.file
946 if test "$LN_S_FILEONLY" = "ln -s"; then
949 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
952 AC_SUBST(LN_S_FILEONLY)
955 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
956 dnl doesn't support links to directories, as in "ln file dir". But that
957 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
958 dnl executables at "make install" time.
959 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
960 dnl for more details.
961 if test "$opsys" = "mingw32"; then
965 AC_PATH_PROG(INSTALL_INFO, install-info, :,
966 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
967 dnl Don't use GZIP, which is used by gzip for additional parameters.
968 AC_PATH_PROG(GZIP_PROG, gzip)
970 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
971 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
973 if test $opsys = gnu-linux; then
974 AC_PATH_PROG(PAXCTL, paxctl,,
975 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
976 if test "X$PAXCTL" != X; then
977 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
978 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
979 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
980 else AC_MSG_RESULT(no); PAXCTL=""; fi])
984 ## Need makeinfo >= 4.7 (?) to build the manuals.
985 AC_PATH_PROG(MAKEINFO, makeinfo, no)
986 dnl By this stage, configure has already checked for egrep and set EGREP,
987 dnl or exited with an error if no egrep was found.
988 if test "$MAKEINFO" != "no"; then
990 $MAKEINFO --version 2> /dev/null |
991 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
997 ## Makeinfo is unusual. For a released Emacs, the manuals are
998 ## pre-built, and not deleted by the normal clean rules. makeinfo is
999 ## therefore in the category of "special tools" not normally required, which
1000 ## configure does not have to check for (eg autoconf itself).
1001 ## In a Bazaar checkout on the other hand, the manuals are not included.
1002 ## So makeinfo is a requirement to build from Bazaar, and configure
1003 ## should test for it as it does for any other build requirement.
1004 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1005 ## with pre-built manuals, from a Bazaar checkout.
1008 if test "$MAKEINFO" = "no"; then
1010 if test "x${with_makeinfo}" = "xno"; then
1012 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1013 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1014 source tree does not seem to have pre-built manuals in the `info' directory.
1015 Either install a suitable version of makeinfo, or re-run configure
1016 with the `--without-makeinfo' option to build without the manuals.] )
1019 AC_SUBST(HAVE_MAKEINFO)
1021 dnl Just so that there is only a single place we need to edit.
1023 INFO_OPTS=--no-split
1027 if test $opsys = mingw32; then
1028 DOCMISC_W32=efaq-w32
1032 AC_SUBST(DOCMISC_W32)
1034 dnl Add our options to ac_link now, after it is set up.
1036 if test x$GCC = xyes; then
1037 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1038 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1040 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1041 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1044 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1045 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1046 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1047 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1048 dnl if not built to support GNU ld.
1050 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1051 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1052 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1053 dnl Eg "make LDFLAGS=... all" could run into problems,
1054 dnl http://bugs.debian.org/684788
1055 dnl * unnecessary, since temacs is the only thing that actually needs it.
1056 dnl Indeed this is where it was originally, prior to:
1057 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1058 late_LDFLAGS="$LDFLAGS"
1059 if test x$GCC = xyes; then
1060 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1062 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1065 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1067 AC_MSG_CHECKING([for -znocombreloc])
1068 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1069 [AC_MSG_RESULT(yes)],
1070 LDFLAGS_NOCOMBRELOC=
1071 [AC_MSG_RESULT(no)])
1073 LDFLAGS="$late_LDFLAGS"
1075 AC_CACHE_CHECK([whether addresses are sanitized],
1076 [emacs_cv_sanitize_address],
1079 [[#ifndef __has_feature
1080 #define __has_feature(f) 0
1082 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1084 #error "Addresses are not sanitized."
1087 [emacs_cv_sanitize_address=yes],
1088 [emacs_cv_sanitize_address=no])])
1090 dnl The function dump-emacs will not be defined and temacs will do
1091 dnl (load "loadup") automatically unless told otherwise.
1092 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1094 your-opsys-here) CANNOT_DUMP=yes ;;
1097 if test "$CANNOT_DUMP" = "yes"; then
1098 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1099 elif test "$emacs_cv_sanitize_address" = yes; then
1100 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1103 AC_SUBST(CANNOT_DUMP)
1106 UNEXEC_OBJ=unexelf.o
1108 # MSDOS uses unexcoff.o
1110 UNEXEC_OBJ=unexaix.o
1116 UNEXEC_OBJ=unexmacosx.o
1119 UNEXEC_OBJ=unexhp9k800.o
1122 UNEXEC_OBJ=unexw32.o
1125 # Use the Solaris dldump() function, called from unexsol.c, to dump
1126 # emacs, instead of the generic ELF dump code found in unexelf.c.
1127 # The resulting binary has a complete symbol table, and is better
1128 # for debugging and other observability tools (debuggers, pstack, etc).
1130 # If you encounter a problem using dldump(), please consider sending
1131 # a message to the OpenSolaris tools-linking mailing list:
1132 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1134 # It is likely that dldump() works with older Solaris too, but this has
1135 # not been tested, so for now this change is for Solaris 10 or newer.
1136 UNEXEC_OBJ=unexsol.o
1143 ## Let `ld' find image libs and similar things in /usr/local/lib.
1144 ## The system compiler, GCC, has apparently been modified to not
1145 ## look there, contrary to what a stock GCC would do.
1146 ### It's not our place to do this. See bug#10313#17.
1147 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1152 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1153 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1157 ### It's not our place to do this. See bug#10313#17.
1158 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1163 ## Han Boetes <han@boetes.org> says this is necessary,
1164 ## otherwise Emacs dumps core on elf systems.
1165 LD_SWITCH_SYSTEM="-Z"
1168 AC_SUBST(LD_SWITCH_SYSTEM)
1170 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1172 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1173 ## which has not been defined yet. When this was handled with cpp,
1174 ## it was expanded to null when configure sourced the s/*.h file.
1175 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1176 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1177 ## (or somesuch), but because it is supposed to go at the _front_
1178 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1179 ## Compare with the gnu-linux case below, which added to the end
1180 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1181 ## LD_SWITCH_SYSTEM_TEMACS.
1184 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1191 AC_CHECK_DECL([__ELF__])
1192 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1193 ## With ELF, make sure that all common symbols get allocated to in the
1194 ## data section. Otherwise, the dump of temacs may miss variables in
1195 ## the shared library that have been initialized. For example, with
1196 ## GNU libc, __malloc_initialized would normally be resolved to the
1197 ## shared library's .bss section, which is fatal.
1198 if test "x$GCC" = "xyes"; then
1199 C_SWITCH_MACHINE="-fno-common"
1201 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1204 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1205 dnl albeit under the mistaken assumption that said file
1206 dnl was no longer used.
1207 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1211 AC_SUBST(C_SWITCH_MACHINE)
1213 AC_SUBST(UNEXEC_OBJ)
1216 ## Some programs in src produce warnings saying certain subprograms
1217 ## are too complex and need a MAXMEM value greater than 2000 for
1218 ## additional optimization. --nils@exp-math.uni-essen.de
1219 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1220 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1221 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1222 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1223 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1224 AC_SUBST(C_SWITCH_SYSTEM)
1229 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1230 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1232 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1234 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1236 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1238 ## Motif needs -lgen.
1239 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1242 AC_SUBST(LIBS_SYSTEM)
1244 ### Make sure subsequent tests use flags consistent with the build flags.
1246 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1247 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1249 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1252 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1253 AC_DEFUN([AC_TYPE_SIZE_T])
1254 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1255 AC_DEFUN([AC_TYPE_UID_T])
1259 dnl Current possibilities handled by sed (aix4-2 -> aix,
1260 dnl gnu-linux -> gnu/linux, etc.):
1261 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1262 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1263 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1270 ## Adding -lm confuses the dynamic linker, so omit it.
1273 freebsd | dragonfly )
1274 SYSTEM_TYPE=berkeley-unix
1276 gnu-linux | gnu-kfreebsd )
1278 hpux10-20 | hpux11 )
1282 SYSTEM_TYPE=windows-nt
1284 dnl NB this may be adjusted below.
1286 SYSTEM_TYPE=berkeley-unix
1290 SYSTEM_TYPE=usg-unix-v
1296 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1297 [The type of system you are compiling for; sets `system-type'.])
1300 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1301 pre_PKG_CONFIG_LIBS=$LIBS
1303 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1305 dnl This function definition taken from Gnome 2.0
1306 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1307 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1308 dnl also defines GSTUFF_PKG_ERRORS on error
1309 AC_DEFUN([PKG_CHECK_MODULES], [
1312 if test "$PKG_CONFIG" = "no" ; then
1313 ifelse([$4], , [AC_MSG_ERROR([
1314 *** 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])
1316 PKG_CONFIG_MIN_VERSION=0.9.0
1317 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1318 AC_MSG_CHECKING(for $2)
1320 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1321 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1322 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1329 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1330 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1331 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1337 ## If we have a custom action on failure, don't print errors, but
1338 ## do set a variable so people can do so. Do it in a subshell
1339 ## to capture any diagnostics in invoking pkg-config.
1340 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1341 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1347 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1348 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1352 if test $succeeded = yes; then
1353 ifelse([$3], , :, [$3])
1355 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.])], [$4])
1360 if test "${with_sound}" != "no"; then
1361 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1362 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1363 have_sound_header=yes, [], [
1365 #define WIN32_LEAN_AND_MEAN
1366 #include <windows.h>
1369 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1370 AC_MSG_ERROR([OSS sound support requested but not found.])
1372 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1373 # Emulation library used on NetBSD.
1374 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1375 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1376 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1377 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1378 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1382 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1384 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1385 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1386 if test $HAVE_ALSA = yes; then
1387 SAVE_CFLAGS="$CFLAGS"
1389 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1390 LIBS="$ALSA_LIBS $LIBS"
1391 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1392 emacs_alsa_normal=yes,
1393 emacs_alsa_normal=no)
1394 if test "$emacs_alsa_normal" != yes; then
1395 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1396 [[snd_lib_error_set_handler (0);]])],
1397 emacs_alsa_subdir=yes,
1398 emacs_alsa_subdir=no)
1399 if test "$emacs_alsa_subdir" != yes; then
1400 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1402 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1405 CFLAGS="$SAVE_CFLAGS"
1407 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1408 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1409 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1410 elif test "${with_sound}" = "alsa"; then
1411 AC_MSG_ERROR([ALSA sound support requested but not found.])
1413 fi dnl with_sound = alsa|yes
1415 dnl Define HAVE_SOUND if we have sound support. We know it works and
1416 dnl compiles only on the specified platforms. For others, it
1417 dnl probably doesn't make sense to try.
1418 dnl FIXME So surely we should bypass this whole section if not using
1419 dnl one of these platforms?
1420 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1422 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1423 dnl Adjust the --with-sound help text if you change this.
1424 gnu-linux|freebsd|netbsd|mingw32)
1425 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1431 AC_SUBST(CFLAGS_SOUND)
1434 dnl checks for header files
1435 AC_CHECK_HEADERS_ONCE(
1439 sys/utsname.h pwd.h utmp.h util.h)
1441 AC_MSG_CHECKING(if personality LINUX32 can be set)
1442 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1443 emacs_cv_personality_linux32=yes,
1444 emacs_cv_personality_linux32=no)
1445 AC_MSG_RESULT($emacs_cv_personality_linux32)
1447 if test $emacs_cv_personality_linux32 = yes; then
1448 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1449 [Define to 1 if personality LINUX32 can be set.])
1452 dnl On Solaris 8 there's a compilation warning for term.h because
1453 dnl it doesn't define `bool'.
1454 AC_CHECK_HEADERS(term.h, , , -)
1456 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1458 if test $ac_cv_have_decl_sys_siglist != yes; then
1459 # For Tru64, at least:
1460 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1465 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1466 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1467 #if HAVE_SYS_SOCKET_H
1468 #include <sys/socket.h>
1470 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1471 #if HAVE_SYS_SOCKET_H
1472 #include <sys/socket.h>
1474 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1475 #if HAVE_SYS_SOCKET_H
1476 #include <sys/socket.h>
1479 dnl checks for structure members
1480 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1481 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1482 struct ifreq.ifr_addr,
1483 struct ifreq.ifr_addr.sa_len], , ,
1484 [AC_INCLUDES_DEFAULT
1485 #if HAVE_SYS_SOCKET_H
1486 #include <sys/socket.h>
1492 dnl Check for endianness.
1493 dnl AC_C_BIGENDIAN is done by gnulib.
1495 dnl check for Make feature
1496 dnl AC_PROG_MAKE_SET is done by Automake.
1501 dnl check for GNU Make if we have GCC and autodepend is on.
1502 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1503 AC_MSG_CHECKING([whether we are using GNU Make])
1505 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1506 if test "x$testval" != x; then
1509 ac_enable_autodepend=no
1511 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1512 if test $HAVE_GNU_MAKE = yes; then
1513 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1514 SAVE_CFLAGS="$CFLAGS"
1515 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1516 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1517 CFLAGS="$SAVE_CFLAGS"
1518 test -f deps.d || ac_enable_autodepend=no
1520 AC_MSG_RESULT([$ac_enable_autodepend])
1522 if test $ac_enable_autodepend = yes; then
1523 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1524 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1525 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1526 deps_frag=autodeps.mk
1529 deps_frag=$srcdir/src/$deps_frag
1532 AC_SUBST_FILE(deps_frag)
1535 lisp_frag=$srcdir/src/lisp.mk
1536 AC_SUBST_FILE(lisp_frag)
1539 dnl checks for operating system services
1540 AC_SYS_LONG_FILE_NAMES
1542 #### Choose a window system.
1544 ## We leave window_system equal to none if
1545 ## we end up building without one. Any new window system should
1546 ## set window_system to an appropriate value and add objects to
1547 ## window-system-specific substs.
1551 if test "$no_x" != yes; then
1555 LD_SWITCH_X_SITE_RPATH=
1556 if test "${x_libraries}" != NONE; then
1557 if test -n "${x_libraries}"; then
1558 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1559 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1561 x_default_search_path=""
1562 x_search_path=${x_libraries}
1563 if test -z "${x_search_path}"; then
1564 x_search_path=/usr/lib
1566 for x_library in `echo ${x_search_path}: | \
1567 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1569 ${x_library}/X11/%L/%T/%N%C%S:\
1570 ${x_library}/X11/%l/%T/%N%C%S:\
1571 ${x_library}/X11/%T/%N%C%S:\
1572 ${x_library}/X11/%L/%T/%N%S:\
1573 ${x_library}/X11/%l/%T/%N%S:\
1574 ${x_library}/X11/%T/%N%S"
1575 if test x"${x_default_search_path}" = x; then
1576 x_default_search_path=${x_search_path}
1578 x_default_search_path="${x_search_path}:${x_default_search_path}"
1582 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1584 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1585 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1588 if test x"${x_includes}" = x; then
1589 bitmapdir=/usr/include/X11/bitmaps
1591 # accumulate include directories that have X11 bitmap subdirectories
1593 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1594 if test -d "${bmd}/X11/bitmaps"; then
1595 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1597 if test -d "${bmd}/bitmaps"; then
1598 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1601 if test ${bmd_acc} != "dummyval"; then
1602 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1609 tmp_CPPFLAGS="$CPPFLAGS"
1610 tmp_CFLAGS="$CFLAGS"
1611 CPPFLAGS="$CPPFLAGS -x objective-c"
1612 CFLAGS="$CFLAGS -x objective-c"
1615 if test "${with_ns}" != no; then
1616 if test "${opsys}" = darwin; then
1618 ns_appdir=`pwd`/nextstep/Emacs.app
1619 ns_appbindir=${ns_appdir}/Contents/MacOS
1620 ns_appresdir=${ns_appdir}/Contents/Resources
1621 ns_appsrc=Cocoa/Emacs.base
1622 elif test -f $GNUSTEP_CONFIG_FILE; then
1624 ns_appdir=`pwd`/nextstep/Emacs.app
1625 ns_appbindir=${ns_appdir}
1626 ns_appresdir=${ns_appdir}/Resources
1627 ns_appsrc=GNUstep/Emacs.base
1628 dnl FIXME sourcing this several times in subshells seems inefficient.
1629 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1630 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1631 dnl I seemed to need these as well with GNUstep-startup 0.25.
1632 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1633 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1634 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1635 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1636 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1637 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1638 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1639 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1640 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1641 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1642 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1643 dnl If they had chosen to either define it or not, we could have
1644 dnl just used AC_CHECK_DECL here.
1645 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1646 emacs_cv_objc_exceptions,
1647 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1648 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1652 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1653 if test $emacs_cv_objc_exceptions = yes; then
1654 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1655 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1656 [Define if GNUstep uses ObjC exceptions.])
1657 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1661 dnl This is only used while we test the NS headers, it gets reset below.
1662 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1664 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1665 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1666 files are missing or cannot be compiled.])])
1669 if test "${NS_IMPL_COCOA}" = "yes"; then
1670 AC_MSG_CHECKING([for OSX 10.4 or newer])
1671 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1673 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1674 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1677 #error "OSX 10.4 or newer required"
1681 ns_osx_have_104=yes,
1683 AC_MSG_RESULT([$ns_osx_have_104])
1685 if test $ns_osx_have_104 = no; then
1686 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1688 AC_MSG_CHECKING([for OSX 10.5 or newer])
1689 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1691 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1692 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1695 #error "OSX 10.5 not found"
1699 ns_osx_have_105=yes,
1701 AC_MSG_RESULT([$ns_osx_have_105])
1702 if test $ns_osx_have_105 = yes; then
1703 macfont_file="macfont.o"
1706 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1708 ns_have_nsinteger=yes,
1709 ns_have_nsinteger=no)
1710 if test $ns_have_nsinteger = yes; then
1711 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1715 AC_SUBST(LIBS_GNUSTEP)
1717 INSTALL_ARCH_INDEP_EXTRA=install-etc
1718 ns_self_contained=no
1721 if test "${HAVE_NS}" = yes; then
1722 if test "$with_toolkit_scroll_bars" = "no"; then
1723 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1726 window_system=nextstep
1727 # set up packaging dirs
1728 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1729 ns_self_contained=yes
1730 prefix=${ns_appresdir}
1731 exec_prefix=${ns_appbindir}
1732 dnl This one isn't really used, only archlibdir is.
1733 libexecdir="\${ns_appbindir}/libexec"
1734 archlibdir="\${ns_appbindir}/libexec"
1735 etcdocdir="\${ns_appresdir}/etc"
1736 etcdir="\${ns_appresdir}/etc"
1737 dnl FIXME maybe set datarootdir instead.
1738 dnl That would also get applications, icons, man.
1739 infodir="\${ns_appresdir}/info"
1740 mandir="\${ns_appresdir}/man"
1741 lispdir="\${ns_appresdir}/lisp"
1742 INSTALL_ARCH_INDEP_EXTRA=
1745 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1747 CFLAGS="$tmp_CFLAGS"
1748 CPPFLAGS="$tmp_CPPFLAGS"
1749 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1750 AC_SUBST(ns_self_contained)
1752 AC_SUBST(NS_OBJC_OBJ)
1763 if test "${with_w32}" != no; then
1766 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1767 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1768 cannot be found.])])
1771 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1774 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1779 if test "${opsys}" = "mingw32"; then
1780 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1781 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1782 #include <windows.h>
1783 #include <usp10.h>]],
1784 [[PIMAGE_NT_HEADERS pHeader;
1785 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1786 [emacs_cv_w32api=yes
1789 AC_MSG_RESULT($emacs_cv_w32api)
1790 if test "${emacs_cv_w32api}" = "no"; then
1791 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1802 if test "${HAVE_W32}" = "yes"; then
1803 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1804 AC_CHECK_TOOL(WINDRES, [windres],
1805 [AC_MSG_ERROR([No resource compiler found.])])
1806 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1807 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1808 EMACSRES="emacs.res"
1809 case "$canonical" in
1810 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1811 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1813 UPDATE_MANIFEST=update-game-score.exe.manifest
1814 if test "${opsys}" = "cygwin"; then
1815 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1816 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1817 # Tell the linker that emacs.res is an object (which we compile from
1818 # the rc file), not a linker script.
1819 W32_RES_LINK="-Wl,emacs.res"
1821 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1822 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1823 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1824 W32_RES_LINK="\$(EMACSRES)"
1825 CLIENTRES="emacsclient.res"
1826 CLIENTW="emacsclientw\$(EXEEXT)"
1827 FIRSTFILE_OBJ=firstfile.o
1830 LIBS_ECLIENT="-lcomctl32"
1831 LIB_WSOCK32="-lwsock32"
1832 NTLIB="ntlib.$ac_objext"
1833 XARGS_LIMIT="-s 10000"
1839 AC_SUBST(EMACS_MANIFEST)
1840 AC_SUBST(UPDATE_MANIFEST)
1843 AC_SUBST(W32_RES_LINK)
1844 AC_SUBST(FIRSTFILE_OBJ)
1847 AC_SUBST(LIBS_ECLIENT)
1848 AC_SUBST(LIB_WSOCK32)
1850 AC_SUBST(XARGS_LIMIT)
1852 if test "${HAVE_W32}" = "yes"; then
1857 ## $window_system is now set to the window system we will
1860 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1861 # Too many warnings for now.
1863 nw="$nw -Wsuggest-attribute=const"
1864 nw="$nw -Wsuggest-attribute=noreturn"
1865 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1867 gl_WARN_ADD([-Wno-unused-variable])
1868 gl_WARN_ADD([-Wno-unused-but-set-variable])
1869 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1877 case "${window_system}" in
1882 case "${with_x_toolkit}" in
1883 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1884 motif ) USE_X_TOOLKIT=MOTIF ;;
1886 term_header=gtkutil.h
1887 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1888 dnl USE_X_TOOLKIT is set.
1889 USE_X_TOOLKIT=none ;;
1890 gtk2 ) with_gtk2=yes
1891 term_header=gtkutil.h
1892 USE_X_TOOLKIT=none ;;
1893 gtk3 ) with_gtk3=yes
1894 term_header=gtkutil.h
1895 USE_X_TOOLKIT=none ;;
1896 no ) USE_X_TOOLKIT=none ;;
1897 dnl If user did not say whether to use a toolkit, make this decision later:
1898 dnl use the toolkit if we have gtk, or X11R5 or newer.
1899 * ) USE_X_TOOLKIT=maybe ;;
1903 term_header=nsterm.h
1906 term_header=w32term.h
1910 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1911 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1912 if test "$HAVE_XSERVER" = true ||
1913 test -n "$DISPLAY" ||
1914 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1915 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1916 were found. You should install the relevant development files for X
1917 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1918 sure you have development files for image handling, i.e.
1919 tiff, gif, jpeg, png and xpm.
1920 If you are sure you want Emacs compiled without X window support, pass
1926 # Does the opsystem file prohibit the use of the GNU malloc?
1927 # Assume not, until told otherwise.
1931 [whether malloc is Doug Lea style],
1932 [emacs_cv_var_doug_lea_malloc],
1933 [emacs_cv_var_doug_lea_malloc=no
1934 dnl Hooks do not work with address sanitization.
1935 if test "$emacs_cv_sanitize_address" != yes; then
1938 [[#include <malloc.h>
1939 static void hook (void) {}]],
1940 [[malloc_set_state (malloc_get_state ());
1941 __after_morecore_hook = hook;
1942 __malloc_initialize_hook = hook;]])],
1943 [emacs_cv_var_doug_lea_malloc=yes])])
1945 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1947 system_malloc=$emacs_cv_sanitize_address
1949 ## darwin ld insists on the use of malloc routines in the System framework.
1950 darwin|sol2-10) system_malloc=yes ;;
1954 if test "${system_malloc}" = "yes"; then
1955 AC_DEFINE([SYSTEM_MALLOC], 1,
1956 [Define to 1 to use the system memory allocator, even if it is not
1960 (The GNU allocators don't work with this system configuration.)"
1963 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1964 VMLIMIT_OBJ=vm-limit.o
1966 AC_CHECK_HEADERS([sys/vlimit.h])
1967 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1970 [[extern char data_start[]; char ch;]],
1971 [[return data_start < &ch;]])],
1972 [emacs_cv_data_start=yes],
1973 [emacs_cv_data_start=no])])
1974 if test $emacs_cv_data_start = yes; then
1975 AC_DEFINE([HAVE_DATA_START], 1,
1976 [Define to 1 if data_start is the address of the start
1977 of the main data segment.])
1980 AC_SUBST(GMALLOC_OBJ)
1981 AC_SUBST(VMLIMIT_OBJ)
1983 if test "$doug_lea_malloc" = "yes" ; then
1984 if test "$GNU_MALLOC" = yes ; then
1986 (Using Doug Lea's new malloc from the GNU C Library.)"
1988 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1989 [Define to 1 if the system memory allocator is Doug Lea style,
1990 with malloc hooks and malloc_set_state.])
1992 ## Use mmap directly for allocating larger buffers.
1993 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1994 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1995 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1997 gnu*) REL_ALLOC=no ;;
2001 if test x"${REL_ALLOC}" = x; then
2002 REL_ALLOC=${GNU_MALLOC}
2005 use_mmap_for_buffers=no
2007 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2011 if test $use_mmap_for_buffers = yes; then
2012 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2016 LIBS="$LIBS_SYSTEM $LIBS"
2018 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
2019 AC_CHECK_LIB(dnet, dnet_ntoa)
2020 dnl This causes -lresolv to get used in subsequent tests,
2021 dnl which causes failures on some systems such as HPUX 9.
2022 dnl AC_CHECK_LIB(resolv, gethostbyname)
2024 dnl FIXME replace main with a function we actually want from this library.
2025 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2027 dnl Check if pthreads is available.
2029 AC_CHECK_HEADERS_ONCE(pthread.h)
2030 if test "$ac_cv_header_pthread_h"; then
2031 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2032 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2033 dnl testing for pthread_self if Emacs uses gmalloc.c.
2034 if test "$GMALLOC_OBJ" = gmalloc.o; then
2035 emacs_pthread_function=pthread_atfork
2037 emacs_pthread_function=pthread_self
2039 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
2041 if test "$HAVE_PTHREAD" = yes; then
2042 case "${canonical}" in
2044 *) LIB_PTHREAD="-lpthread"
2045 LIBS="$LIB_PTHREAD $LIBS" ;;
2047 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
2049 AC_SUBST([LIB_PTHREAD])
2051 AC_CHECK_LIB(pthreads, cma_open)
2053 ## Note: when using cpp in s/aix4.2.h, this definition depended on
2054 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
2055 ## the system file was sourced. Hence the value of LIBS_SYSTEM
2056 ## added to LIBS in configure would never contain the pthreads part,
2057 ## but the value used in Makefiles might. FIXME?
2059 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
2060 ## be harmless on older versions of X where it happens to exist.
2061 test "$opsys" = "aix4-2" && \
2062 test $ac_cv_lib_pthreads_cma_open = yes && \
2063 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2065 dnl Check for need for bigtoc support on IBM AIX
2069 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2071 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2072 *) gdb_cv_bigtoc=-bbigtoc ;;
2075 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2076 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2081 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2082 # used for the tests that follow. We set them back to REAL_CFLAGS and
2083 # REAL_CPPFLAGS later on.
2085 REAL_CFLAGS="$CFLAGS"
2086 REAL_CPPFLAGS="$CPPFLAGS"
2088 if test "${HAVE_X11}" = "yes"; then
2089 DEFS="$C_SWITCH_X_SITE $DEFS"
2090 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2092 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2093 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2095 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2096 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2097 # but it's more convenient here to set LD_RUN_PATH since this
2098 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2099 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2100 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2104 if test "${opsys}" = "gnu-linux"; then
2105 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2106 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2107 [[XOpenDisplay ("foo");]])],
2108 [xgnu_linux_first_failure=no],
2109 [xgnu_linux_first_failure=yes])
2110 if test "${xgnu_linux_first_failure}" = "yes"; then
2111 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2112 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2113 OLD_CPPFLAGS="$CPPFLAGS"
2115 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2116 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2117 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2118 LIBS="$LIBS -b i486-linuxaout"
2119 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2120 [[XOpenDisplay ("foo");]])],
2121 [xgnu_linux_second_failure=no],
2122 [xgnu_linux_second_failure=yes])
2123 if test "${xgnu_linux_second_failure}" = "yes"; then
2124 # If we get the same failure with -b, there is no use adding -b.
2125 # So take it out. This plays safe.
2126 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2127 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2128 CPPFLAGS="$OLD_CPPFLAGS"
2139 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2140 # header files included from there.
2141 AC_MSG_CHECKING(for Xkb)
2142 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2143 #include <X11/XKBlib.h>]],
2144 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2145 emacs_xkb=yes, emacs_xkb=no)
2146 AC_MSG_RESULT($emacs_xkb)
2147 if test $emacs_xkb = yes; then
2148 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2151 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2152 XScreenNumberOfScreen)
2155 if test "${window_system}" = "x11"; then
2156 AC_MSG_CHECKING(X11 version 6)
2157 AC_CACHE_VAL(emacs_cv_x11_version_6,
2158 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2159 [[#if XlibSpecificationRelease < 6
2162 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2163 if test $emacs_cv_x11_version_6 = yes; then
2164 AC_MSG_RESULT(6 or newer)
2165 AC_DEFINE(HAVE_X11R6, 1,
2166 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2167 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2168 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2172 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2173 [Define if you have usable X11R6-style XIM support.])
2177 AC_MSG_RESULT(before 6)
2182 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2184 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2185 if test "${with_rsvg}" != "no"; then
2186 RSVG_REQUIRED=2.11.0
2187 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2189 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2190 AC_SUBST(RSVG_CFLAGS)
2193 if test $HAVE_RSVG = yes; then
2194 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2195 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2196 # Windows loads librsvg dynamically
2197 if test "${opsys}" = "mingw32"; then
2200 LIBS="$RSVG_LIBS $LIBS"
2206 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
2207 if test "${with_imagemagick}" != "no"; then
2208 ## 6.2.8 is the earliest version known to work, but earlier versions
2209 ## might work - let us know if you find one.
2210 ## 6.0.7 does not work. See bug#7955.
2211 ## 6.8.2 makes Emacs crash; see Bug#13867.
2212 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2213 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2214 AC_SUBST(IMAGEMAGICK_CFLAGS)
2215 AC_SUBST(IMAGEMAGICK_LIBS)
2217 if test $HAVE_IMAGEMAGICK = yes; then
2218 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2219 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2220 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2221 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2229 gtk_term_header=$term_header
2232 if test "${opsys}" != "mingw32"; then
2233 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2236 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2238 dnl Checks for libraries.
2239 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2240 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2241 AC_MSG_ERROR($GTK_PKG_ERRORS)
2243 if test "$pkg_check_gtk" = "yes"; then
2244 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2245 GTK_OBJ=emacsgtkfixed.o
2246 gtk_term_header=gtkutil.h
2247 USE_GTK_TOOLKIT="GTK3"
2248 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2249 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2250 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2251 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2252 [Define to 1 to disable Glib deprecation warnings.])
2256 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2260 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2263 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2265 dnl Checks for libraries.
2266 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2267 if test "$pkg_check_gtk" = "no" &&
2268 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2270 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2272 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2276 if test x"$pkg_check_gtk" = xyes; then
2279 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2280 CFLAGS="$CFLAGS $GTK_CFLAGS"
2281 LIBS="$GTK_LIBS $LIBS"
2282 dnl Try to compile a simple GTK program.
2283 AC_MSG_CHECKING([whether GTK compiles])
2287 [[/* Check the Gtk and Glib APIs. */
2288 #include <gtk/gtk.h>
2289 #include <glib-object.h>
2291 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2295 GtkSettings *gs = 0;
2296 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2297 strict C prohibits this. Use gtk_main_iteration to test that the
2298 libraries are there. */
2299 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2300 0, 0, 0, G_CALLBACK (callback), 0))
2301 gtk_main_iteration ();
2304 AC_MSG_RESULT([$GTK_COMPILES])
2305 if test "${GTK_COMPILES}" != "yes"; then
2307 if test "$USE_X_TOOLKIT" != "maybe"; then
2308 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2312 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2313 GTK_OBJ="gtkutil.o $GTK_OBJ"
2314 term_header=$gtk_term_header
2316 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2319 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2320 closing open displays. This is no problem if you just use
2321 one display, but if you use more than one and close one of them
2331 if test "${HAVE_GTK}" = "yes"; then
2333 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2334 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2335 if test "$with_toolkit_scroll_bars" != no; then
2336 with_toolkit_scroll_bars=yes
2339 dnl Check if we have the old file selection dialog declared and
2340 dnl in the link library. In 2.x it may be in the library,
2341 dnl but not declared if deprecated featured has been selected out.
2342 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2343 HAVE_GTK_FILE_SELECTION=no
2344 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2345 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2346 #include <gtk/gtk.h>])
2347 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2348 AC_CHECK_FUNCS(gtk_file_selection_new)
2351 dnl Same as above for gtk_handle_box.
2352 HAVE_GTK_HANDLE_BOX=no
2353 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2354 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2355 #include <gtk/gtk.h>])
2356 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2357 AC_CHECK_FUNCS(gtk_handle_box_new)
2360 dnl Same as above for gtk_tearoff_menu_item.
2361 HAVE_GTK_TEAROFF_MENU_ITEM=no
2362 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2363 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2364 #include <gtk/gtk.h>])
2365 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2366 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2369 dnl Check for functions introduced in 2.14 and later.
2370 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2371 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2372 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2373 gtk_orientable_set_orientation \
2374 gtk_window_set_has_resize_grip)
2376 term_header=gtkutil.h
2379 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2380 dnl other platforms.
2383 if test "${with_dbus}" = "yes"; then
2384 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2385 if test "$HAVE_DBUS" = yes; then
2386 LIBS="$LIBS $DBUS_LIBS"
2387 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2388 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2389 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2391 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2392 dbus_type_is_valid \
2393 dbus_validate_bus_name \
2394 dbus_validate_path \
2395 dbus_validate_interface \
2396 dbus_validate_member)
2402 dnl GSettings has been tested under GNU/Linux only.
2404 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2405 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2406 if test "$HAVE_GSETTINGS" = "yes"; then
2407 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2408 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2409 SETTINGS_LIBS="$GSETTINGS_LIBS"
2413 dnl GConf has been tested under GNU/Linux only.
2414 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2416 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2417 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2418 if test "$HAVE_GCONF" = yes; then
2419 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2420 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2421 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2422 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2426 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2427 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2428 if test "$HAVE_GOBJECT" = "yes"; then
2429 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2430 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2432 SAVE_CFLAGS="$CFLAGS"
2434 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2435 LIBS="$SETTINGS_LIBS $LIBS"
2436 CFLAGS="$SAVE_CFLAGS"
2439 AC_SUBST(SETTINGS_CFLAGS)
2440 AC_SUBST(SETTINGS_LIBS)
2443 dnl SELinux is available for GNU/Linux only.
2446 if test "${with_selinux}" = "yes"; then
2447 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2448 if test "$HAVE_LIBSELINUX" = yes; then
2449 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2450 LIBSELINUX_LIBS=-lselinux
2453 AC_SUBST(LIBSELINUX_LIBS)
2457 if test "${with_gnutls}" = "yes" ; then
2458 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2459 if test "${HAVE_GNUTLS3}" = "yes"; then
2460 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2463 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2465 if test "${HAVE_GNUTLS}" = "yes"; then
2466 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2469 # Windows loads GnuTLS dynamically
2470 if test "${opsys}" = "mingw32"; then
2473 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2474 LIBS="$LIBGNUTLS_LIBS $LIBS"
2478 AC_SUBST(LIBGNUTLS_LIBS)
2479 AC_SUBST(LIBGNUTLS_CFLAGS)
2484 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2485 dnl a particular library. This doesn't make much sense?
2486 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2487 with_file_notification=no
2490 dnl MS Windows native file monitor is available for mingw32 only.
2491 case $with_file_notification,$opsys in
2492 w32,* | yes,mingw32)
2493 AC_CHECK_HEADER(windows.h)
2494 if test "$ac_cv_header_windows_h" = yes ; then
2495 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2496 NOTIFY_OBJ=w32notify.o
2497 NOTIFY_SUMMARY="yes (w32)"
2501 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2502 dnl has been added in glib 2.24. It has been tested under
2503 dnl GNU/Linux only. We take precedence over inotify, but this makes
2504 dnl only sense when glib has been compiled with inotify support. How
2506 case $with_file_notification,$NOTIFY_OBJ in
2508 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2509 if test "$HAVE_GFILENOTIFY" = "yes"; then
2510 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2511 NOTIFY_OBJ=gfilenotify.o
2512 NOTIFY_SUMMARY="yes -lgio (gfile)"
2516 dnl inotify is only available on GNU/Linux.
2517 case $with_file_notification,$NOTIFY_OBJ in
2519 AC_CHECK_HEADER(sys/inotify.h)
2520 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2521 AC_CHECK_FUNC(inotify_init1)
2522 if test "$ac_cv_func_inotify_init1" = yes; then
2523 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2524 NOTIFY_OBJ=inotify.o
2525 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2530 case $with_file_notification,$NOTIFY_OBJ in
2531 yes,* | no,* | *,?*) ;;
2532 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2535 if test -n "$NOTIFY_OBJ"; then
2536 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2538 AC_SUBST(NOTIFY_OBJ)
2539 AC_SUBST(GFILENOTIFY_CFLAGS)
2540 AC_SUBST(GFILENOTIFY_LIBS)
2542 dnl Do not put whitespace before the #include statements below.
2543 dnl Older compilers (eg sunos4 cc) choke on it.
2546 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2547 if test "$with_xaw3d" != no; then
2548 AC_CACHE_VAL(emacs_cv_xaw3d,
2549 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2550 #include <X11/Intrinsic.h>
2551 #include <X11/Xaw3d/Simple.h>]],
2553 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2554 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2555 emacs_cv_xaw3d=no)])
2559 if test $emacs_cv_xaw3d = yes; then
2560 AC_MSG_CHECKING(for xaw3d)
2561 AC_MSG_RESULT([yes; using Lucid toolkit])
2565 AC_DEFINE(HAVE_XAW3D, 1,
2566 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2568 AC_MSG_CHECKING(for xaw3d)
2570 AC_MSG_CHECKING(for libXaw)
2571 AC_CACHE_VAL(emacs_cv_xaw,
2572 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2573 #include <X11/Intrinsic.h>
2574 #include <X11/Xaw/Simple.h>]],
2578 if test $emacs_cv_xaw = yes; then
2579 AC_MSG_RESULT([yes; using Lucid toolkit])
2582 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2583 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2585 AC_MSG_ERROR([No X toolkit could be found.
2586 If you are sure you want Emacs compiled without an X toolkit, pass
2588 to configure. Otherwise, install the development libraries for the toolkit
2589 that you want to use (e.g. Gtk+) and re-run configure.])
2594 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2597 if test "${USE_X_TOOLKIT}" != "none"; then
2598 AC_MSG_CHECKING(X11 toolkit version)
2599 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2600 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2601 [[#if XtSpecificationRelease < 6
2604 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2605 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2606 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2607 AC_MSG_RESULT(6 or newer)
2608 AC_DEFINE(HAVE_X11XTR6, 1,
2609 [Define to 1 if you have the X11R6 or newer version of Xt.])
2610 LIBXTR6="-lSM -lICE"
2612 ## Use libw.a along with X11R6 Xt.
2613 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2616 AC_MSG_RESULT(before 6)
2619 dnl If using toolkit, check whether libXmu.a exists.
2620 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2622 if test x$HAVE_X11XTR6 = xyes; then
2623 LIBS="-lXt -lSM -lICE $LIBS"
2627 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2628 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2629 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2633 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2634 dnl Why not just test for libxmu in the normal way?
2637 ## These systems don't supply Xmu.
2639 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2647 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2648 if test "${HAVE_X11}" = "yes"; then
2649 if test "${USE_X_TOOLKIT}" != "none"; then
2650 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2655 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2656 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2657 if test -d /usr/include/openmotif; then
2658 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2659 emacs_cv_openmotif=yes
2660 case "$canonical" in
2661 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2662 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2665 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2668 emacs_cv_openmotif=no
2670 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2671 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2672 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2675 Motif version prior to 2.1.
2677 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2678 if test $emacs_cv_motif_version_2_1 = yes; then
2679 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2680 if test x$emacs_cv_openmotif = xyes; then
2681 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2684 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2685 # We put this in CFLAGS temporarily to precede other -I options
2686 # that might be in CFLAGS temporarily.
2687 # We put this in CPPFLAGS where it precedes the other -I options.
2688 OLD_CPPFLAGS=$CPPFLAGS
2690 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2691 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2692 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2694 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2695 if test $emacs_cv_lesstif = yes; then
2696 # Make sure this -I option remains in CPPFLAGS after it is set
2697 # back to REAL_CPPFLAGS.
2698 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2699 # have those other -I options anyway. Ultimately, having this
2700 # directory ultimately in CPPFLAGS will be enough.
2701 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2702 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2705 CPPFLAGS=$OLD_CPPFLAGS
2708 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2709 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2712 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2713 dnl using Motif or Xaw3d is available, and unless
2714 dnl --with-toolkit-scroll-bars=no was specified.
2716 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2717 [Define to 1 if we should use toolkit scroll bars.])dnl
2718 USE_TOOLKIT_SCROLL_BARS=no
2719 if test "${with_toolkit_scroll_bars}" != "no"; then
2720 if test "${USE_X_TOOLKIT}" != "none"; then
2721 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2722 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2724 USE_TOOLKIT_SCROLL_BARS=yes
2725 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2726 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2727 USE_TOOLKIT_SCROLL_BARS=yes
2729 elif test "${HAVE_GTK}" = "yes"; then
2730 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2731 USE_TOOLKIT_SCROLL_BARS=yes
2732 elif test "${HAVE_NS}" = "yes"; then
2733 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2734 USE_TOOLKIT_SCROLL_BARS=yes
2735 elif test "${HAVE_W32}" = "yes"; then
2736 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2737 USE_TOOLKIT_SCROLL_BARS=yes
2741 dnl See if XIM is available.
2742 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2743 #include <X11/Xlib.h>
2744 #include <X11/Xresource.h>]],
2745 [[XIMProc callback;]])],
2747 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2750 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2752 if test "${with_xim}" != "no"; then
2753 AC_DEFINE(USE_XIM, 1,
2754 [Define to 1 if we should use XIM, if it is available.])
2758 if test "${HAVE_XIM}" != "no"; then
2760 if test "$GCC" = yes; then
2761 CFLAGS="$CFLAGS --pedantic-errors"
2763 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2764 #include <X11/Xlib.h>
2765 #include <X11/Xresource.h>]],
2771 XPointer *client_data;
2773 /* If we're not using GCC, it's probably not XFree86, and this is
2774 probably right, but we can't use something like --pedantic-errors. */
2775 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2776 char*, XIMProc, XPointer*);
2778 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2780 [emacs_cv_arg6_star=yes])
2781 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2782 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2783 either XPointer or XPointer*.])dnl
2784 if test "$emacs_cv_arg6_star" = yes; then
2785 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2787 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2792 ### Start of font-backend (under any platform) section.
2793 # (nothing here yet -- this is a placeholder)
2794 ### End of font-backend (under any platform) section.
2796 ### Start of font-backend (under X11) section.
2797 if test "${HAVE_X11}" = "yes"; then
2798 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2800 ## Use -lXft if available, unless `--with-xft=no'.
2802 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2805 if test "x${with_xft}" != "xno"; then
2807 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2808 ## Because xftfont.c uses XRenderQueryExtension, we also
2809 ## need to link to -lXrender.
2811 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2812 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2813 OLD_CPPFLAGS="$CPPFLAGS"
2814 OLD_CFLAGS="$CFLAGS"
2816 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2817 CFLAGS="$CFLAGS $XFT_CFLAGS"
2818 XFT_LIBS="-lXrender $XFT_LIBS"
2819 LIBS="$XFT_LIBS $LIBS"
2820 AC_CHECK_HEADER(X11/Xft/Xft.h,
2821 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2822 [[#include <X11/X.h>]])
2824 if test "${HAVE_XFT}" = "yes"; then
2825 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2827 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2829 CPPFLAGS="$OLD_CPPFLAGS"
2830 CFLAGS="$OLD_CFLAGS"
2832 fi # "${HAVE_XFT}" = "yes"
2833 fi # "$HAVE_XFT" != no
2834 fi # "x${with_xft}" != "xno"
2836 ## We used to allow building with FreeType and without Xft.
2837 ## However, the ftx font backend driver is not in good shape.
2838 if test "$HAVE_XFT" != "yes"; then
2839 dnl For the "Does Emacs use" message at the end.
2843 dnl Strict linkers fail with
2844 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2845 dnl if -lfreetype is not specified.
2846 dnl The following is needed to set FREETYPE_LIBS.
2847 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2850 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2854 if test "${HAVE_FREETYPE}" = "yes"; then
2855 AC_DEFINE(HAVE_FREETYPE, 1,
2856 [Define to 1 if using the freetype and fontconfig libraries.])
2857 if test "${with_libotf}" != "no"; then
2858 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2860 if test "$HAVE_LIBOTF" = "yes"; then
2861 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2862 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2863 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2864 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2865 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2866 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2867 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2871 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2872 dnl Does the new font backend require it, or can it work without it?
2876 if test "${HAVE_LIBOTF}" = yes; then
2877 if test "${with_m17n_flt}" != "no"; then
2878 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2879 if test "$HAVE_M17N_FLT" = "yes"; then
2880 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2891 ### End of font-backend (under X11) section.
2893 AC_SUBST(FREETYPE_CFLAGS)
2894 AC_SUBST(FREETYPE_LIBS)
2895 AC_SUBST(FONTCONFIG_CFLAGS)
2896 AC_SUBST(FONTCONFIG_LIBS)
2897 AC_SUBST(LIBOTF_CFLAGS)
2898 AC_SUBST(LIBOTF_LIBS)
2899 AC_SUBST(M17N_FLT_CFLAGS)
2900 AC_SUBST(M17N_FLT_LIBS)
2902 ### Use -lXpm if available, unless `--with-xpm=no'.
2903 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2906 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2907 if test "${with_xpm}" != "no"; then
2908 SAVE_CPPFLAGS="$CPPFLAGS"
2909 SAVE_LDFLAGS="$LDFLAGS"
2910 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2911 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2912 AC_CHECK_HEADER(X11/xpm.h,
2913 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2914 if test "${HAVE_XPM}" = "yes"; then
2915 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2916 AC_EGREP_CPP(no_return_alloc_pixels,
2917 [#include "X11/xpm.h"
2918 #ifndef XpmReturnAllocPixels
2919 no_return_alloc_pixels
2921 ], HAVE_XPM=no, HAVE_XPM=yes)
2923 if test "${HAVE_XPM}" = "yes"; then
2924 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2928 CPPFLAGS="$SAVE_CPPFLAGS"
2929 LDFLAGS="$SAVE_LDFLAGS"
2934 if test "${HAVE_XPM}" = "yes"; then
2935 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2940 if test "${HAVE_X11}" = "yes"; then
2941 if test "${with_xpm}" != "no"; then
2942 AC_CHECK_HEADER(X11/xpm.h,
2943 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2944 if test "${HAVE_XPM}" = "yes"; then
2945 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2946 AC_EGREP_CPP(no_return_alloc_pixels,
2947 [#include "X11/xpm.h"
2948 #ifndef XpmReturnAllocPixels
2949 no_return_alloc_pixels
2951 ], HAVE_XPM=no, HAVE_XPM=yes)
2953 if test "${HAVE_XPM}" = "yes"; then
2961 if test "${HAVE_XPM}" = "yes"; then
2962 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2967 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2968 ### slightly different requirements wrt image libraries (it doesn't
2969 ### use -lXpm because it loads the xpm shared library dynamically at
2971 if test "${opsys}" = "mingw32"; then
2972 if test "${with_xpm}" != "no"; then
2973 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2977 if test "${HAVE_XPM}" = "yes"; then
2978 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2984 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2985 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2988 if test "${opsys}" = "mingw32"; then
2989 if test "${with_jpeg}" != "no"; then
2990 dnl Checking for jpeglib.h can lose because of a redefinition of
2992 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2994 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2995 if test "${HAVE_JPEG}" = "yes"; then
2996 AC_DEFINE(HAVE_JPEG)
2997 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2998 [#include <jpeglib.h>
2999 version=JPEG_LIB_VERSION
3001 [AC_DEFINE(HAVE_JPEG)],
3002 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3005 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3006 if test "${with_jpeg}" != "no"; then
3007 dnl Checking for jpeglib.h can lose because of a redefinition of
3009 AC_CHECK_HEADER(jerror.h,
3010 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3013 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3014 if test "${HAVE_JPEG}" = "yes"; then
3015 AC_DEFINE(HAVE_JPEG)
3016 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3017 [#include <jpeglib.h>
3018 version=JPEG_LIB_VERSION
3020 [AC_DEFINE(HAVE_JPEG)],
3021 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3024 if test "${HAVE_JPEG}" = "yes"; then
3030 ### Use -lpng if available, unless `--with-png=no'.
3031 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
3034 if test "${opsys}" = "mingw32"; then
3035 if test "${with_png}" != "no"; then
3036 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
3038 if test "${HAVE_PNG}" = "yes"; then
3039 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3041 AC_CHECK_DECL(png_longjmp,
3043 [AC_DEFINE(PNG_DEPSTRUCT, [],
3044 [Define to empty to suppress deprecation warnings when building
3045 with --enable-gcc-warnings and with libpng versions before 1.5,
3046 which lack png_longjmp.])],
3047 [[#ifdef HAVE_LIBPNG_PNG_H
3048 # include <libpng/png.h>
3054 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3055 if test "${with_png}" != "no"; then
3056 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3057 # in /usr/include/libpng.
3058 AC_CHECK_HEADERS(png.h libpng/png.h, break)
3059 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
3060 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3064 if test "${HAVE_PNG}" = "yes"; then
3065 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3066 LIBPNG="-lpng -lz -lm"
3068 AC_CHECK_DECL(png_longjmp,
3070 [AC_DEFINE(PNG_DEPSTRUCT, [],
3071 [Define to empty to suppress deprecation warnings when building
3072 with --enable-gcc-warnings and with libpng versions before 1.5,
3073 which lack png_longjmp.])],
3074 [[#ifdef HAVE_LIBPNG_PNG_H
3075 # include <libpng/png.h>
3086 if test "${with_zlib}" != "no"; then
3088 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3090 case $ac_cv_search_inflateEnd in
3091 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3094 if test "${HAVE_ZLIB}" = "yes"; then
3095 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3096 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3097 if test "${opsys}" = "mingw32"; then
3104 ### Use -ltiff if available, unless `--with-tiff=no'.
3105 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3108 if test "${opsys}" = "mingw32"; then
3109 if test "${with_tiff}" != "no"; then
3110 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3112 if test "${HAVE_TIFF}" = "yes"; then
3113 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3115 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3116 if test "${with_tiff}" != "no"; then
3117 AC_CHECK_HEADER(tiffio.h,
3119 # At least one tiff package requires the jpeg library.
3120 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3121 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3124 if test "${HAVE_TIFF}" = "yes"; then
3125 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3126 dnl FIXME -lz -lm, as per libpng?
3132 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3133 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3136 if test "${opsys}" = "mingw32"; then
3137 if test "${with_gif}" != "no"; then
3138 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3140 if test "${HAVE_GIF}" = "yes"; then
3141 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3143 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3144 || test "${HAVE_W32}" = "yes"; then
3145 AC_CHECK_HEADER(gif_lib.h,
3146 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3147 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3148 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3149 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3151 if test "$HAVE_GIF" = yes; then
3153 elif test "$HAVE_GIF" = maybe; then
3154 # If gif_lib.h but no libgif, try libungif.
3155 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3156 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3159 if test "${HAVE_GIF}" = "yes"; then
3160 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3165 dnl Check for required libraries.
3166 if test "${HAVE_X11}" = "yes"; then
3169 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3170 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3171 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3172 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3173 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3174 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3175 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3176 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3177 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3178 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3180 if test "X${MISSING}" != X; then
3181 AC_MSG_ERROR([The following required libraries were not found:
3183 Maybe some development libraries/packages are missing?
3184 If you don't want to link with them give
3186 as options to configure])
3190 ### Use -lgpm if available, unless `--with-gpm=no'.
3193 if test "${with_gpm}" != "no"; then
3194 AC_CHECK_HEADER(gpm.h,
3195 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3197 if test "${HAVE_GPM}" = "yes"; then
3198 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3204 dnl Check for malloc/malloc.h on darwin
3205 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3208 ### Use NeXTstep API to implement GUI.
3209 if test "${HAVE_NS}" = "yes"; then
3210 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3211 if test "${NS_IMPL_COCOA}" = "yes"; then
3212 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3214 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3215 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3216 # See also .m.o rule in Makefile.in */
3217 # FIXME: are all these flags really needed? Document here why. */
3218 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3219 ## Extra CFLAGS applied to src/*.m files.
3220 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3225 ### Use session management (-lSM -lICE) if available
3228 if test "${HAVE_X11}" = "yes"; then
3229 AC_CHECK_HEADER(X11/SM/SMlib.h,
3230 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3232 if test "${HAVE_X_SM}" = "yes"; then
3233 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3237 *) LIBS="$LIBXSM $LIBS" ;;
3243 ### Use XRandr (-lXrandr) if available
3245 if test "${HAVE_X11}" = "yes"; then
3246 XRANDR_REQUIRED=1.2.2
3247 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3248 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3249 if test $HAVE_XRANDR = no; then
3250 # Test old way in case pkg-config doesn't have it (older machines).
3251 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3252 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3253 if test $HAVE_XRANDR = yes; then
3254 XRANDR_LIBS=-lXrandr
3255 AC_SUBST(XRANDR_LIBS)
3258 if test $HAVE_XRANDR = yes; then
3259 SAVE_CFLAGS="$CFLAGS"
3261 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3262 LIBS="$XRANDR_LIBS $LIBS"
3263 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3264 CFLAGS="$SAVE_CFLAGS"
3267 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3271 ### Use Xinerama (-lXinerama) if available
3273 if test "${HAVE_X11}" = "yes"; then
3274 XINERAMA_REQUIRED=1.0.2
3275 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3276 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3278 if test $HAVE_XINERAMA = no; then
3279 # Test old way in case pkg-config doesn't have it (older machines).
3280 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3281 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3282 if test $HAVE_XINERAMA = yes; then
3283 XINERAMA_LIBS=-lXinerama
3284 AC_SUBST(XINERAMA_LIBS)
3287 if test $HAVE_XINERAMA = yes; then
3288 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3293 ### Use libxml (-lxml2) if available
3294 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3296 if test "${with_xml2}" != "no"; then
3297 ### I'm not sure what the version number should be, so I just guessed.
3298 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3299 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3300 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3301 SAVE_CPPFLAGS="$CPPFLAGS"
3302 CPPFLAGS="$CPPFLAGS -I'$xcsdkdir/usr/include/libxml2'"
3303 AC_CHECK_HEADER(libxml/HTMLparser.h,
3304 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3305 [#include <libxml/HTMLparser.h>])])
3306 CPPFLAGS="$SAVE_CPPFLAGS"
3307 if test "${HAVE_LIBXML2}" = "yes"; then
3308 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3309 LIBXML2_LIBS="-lxml2"
3312 if test "${HAVE_LIBXML2}" = "yes"; then
3313 if test "${opsys}" != "mingw32"; then
3314 LIBS="$LIBXML2_LIBS $LIBS"
3315 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3319 if test "${HAVE_LIBXML2}" = "yes"; then
3320 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3327 AC_SUBST(LIBXML2_LIBS)
3328 AC_SUBST(LIBXML2_CFLAGS)
3330 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3331 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3332 if test "${opsys}" = "mingw32"; then
3333 emacs_cv_netdb_declares_h_errno=yes
3335 AC_CACHE_CHECK(whether netdb declares h_errno,
3336 emacs_cv_netdb_declares_h_errno,
3337 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3338 [[return h_errno;]])],
3339 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3340 if test $emacs_cv_netdb_declares_h_errno = yes; then
3341 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3344 # sqrt and other floating-point functions such as fmod and frexp
3345 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3346 if test "${opsys}" != "mingw32"; then
3347 AC_CHECK_LIB(m, sqrt)
3350 # Check for mail-locking functions in a "mail" library. Probably this should
3351 # have the same check as for liblockfile below.
3352 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3353 if test $have_mail = yes; then
3355 LIBS="$LIBS_MAIL $LIBS"
3356 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3360 dnl Debian, at least:
3361 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3362 if test $have_lockfile = yes; then
3363 LIBS_MAIL=-llockfile
3364 LIBS="$LIBS_MAIL $LIBS"
3365 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3367 # If we have the shared liblockfile, assume we must use it for mail
3368 # locking (e.g. Debian). If we couldn't link against liblockfile
3369 # (no liblockfile.a installed), ensure that we don't need to.
3370 dnl This works for files generally, not just executables.
3371 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3372 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3373 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3374 if test $ac_cv_prog_liblockfile = yes; then
3375 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3376 This probably means that movemail could lose mail.
3377 There may be a `development' package to install containing liblockfile.])
3380 AC_CHECK_HEADERS_ONCE(maillock.h)
3383 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3384 ## interlock access to the mail spool. The alternative is a lock file named
3385 ## /usr/spool/mail/$USER.lock.
3388 aix4-2) mail_lock="lockf" ;;
3390 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3392 ## On GNU/Linux systems, both methods are used by various mail programs.
3393 ## I assume most people are using newer mailers that have heard of flock.
3394 ## Change this if you need to.
3395 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3396 ## configure gets the right answers, and that means *NOT* using flock.
3397 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3398 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3399 ## Debian maintainer hasn't provided a clean fix for Emacs.
3400 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3401 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3402 ## correct logic. -- fx
3403 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3404 ## liblockfile is a Free Software replacement for libmail, used on
3405 ## Debian systems and elsewhere. -rfr.
3408 if test $have_mail = yes || test $have_lockfile = yes; then
3409 test $ac_cv_header_maillock_h = yes && mail_lock=no
3414 mail_lock="none-needed" ;;
3418 case "$mail_lock" in
3419 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3421 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3425 *) BLESSMAIL_TARGET="need-blessmail" ;;
3427 AC_SUBST(BLESSMAIL_TARGET)
3430 AC_CHECK_FUNCS(accept4 gethostname \
3431 getrusage get_current_dir_name \
3433 select getpagesize setlocale \
3434 getrlimit setrlimit shutdown getaddrinfo \
3435 strsignal setitimer \
3436 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3437 gai_strerror getline getdelim sync \
3439 getpwent endpwent getgrent endgrent \
3441 cfmakeraw cfsetspeed copysign __executable_start log2)
3443 dnl No need to check for aligned_alloc and posix_memalign if using
3444 dnl gmalloc.o, as it supplies them. Don't use these functions on
3445 dnl Darwin as they are incompatible with unexmacosx.c.
3446 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3447 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3450 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3451 ## has a broken `rint' in some library versions including math library
3452 ## version number A.09.05.
3453 ## You can fix the math library by installing patch number PHSS_4630.
3454 ## But we can fix it more reliably for Emacs by just not using rint.
3455 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3458 *) AC_CHECK_FUNCS(random rint) ;;
3461 dnl Cannot use AC_CHECK_FUNCS
3462 AC_CACHE_CHECK([for __builtin_unwind_init],
3463 emacs_cv_func___builtin_unwind_init,
3464 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3465 emacs_cv_func___builtin_unwind_init=yes,
3466 emacs_cv_func___builtin_unwind_init=no)])
3467 if test $emacs_cv_func___builtin_unwind_init = yes; then
3468 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3469 [Define to 1 if you have the `__builtin_unwind_init' function.])
3472 AC_CHECK_HEADERS_ONCE(sys/un.h)
3477 AC_CHECK_FUNCS(grantpt)
3479 # PTY-related GNU extensions.
3480 AC_CHECK_FUNCS(getpt posix_openpt)
3482 # Check this now, so that we will NOT find the above functions in ncurses.
3483 # That is because we have not set up to link ncurses in lib-src.
3484 # It's better to believe a function is not available
3485 # than to expect to find it in ncurses.
3486 # Also we need tputs and friends to be able to build at all.
3487 AC_MSG_CHECKING([for library containing tputs])
3488 # Run a test program that contains a call to tputs, a call that is
3489 # never executed. This tests whether a pre-'main' dynamic linker
3490 # works with the library. It's too much trouble to actually call
3491 # tputs in the test program, due to portability hassles. When
3492 # cross-compiling, assume the test program will run if it links.
3493 AC_DEFUN([tputs_link_source], [
3495 [[extern void tputs (const char *, int, int (*)(int));
3496 int main (int argc, char **argv)
3499 tputs (argv[0], 0, 0);
3503 if test "${opsys}" = "mingw32"; then
3506 # Maybe curses should be tried earlier?
3507 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3508 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3510 if test -z "$tputs_library"; then
3514 LIBS_TERMCAP=-l$tputs_library
3516 LIBS="$LIBS_TERMCAP $LIBS"
3518 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3519 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3521 if test "X$msg" != Xno; then
3526 AC_MSG_RESULT([$msg])
3527 if test "X$msg" = Xno; then
3528 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3529 The following libraries were tried (in order):
3530 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3531 Please try installing whichever of these libraries is most appropriate
3532 for your system, together with its header files.
3533 For example, a libncurses-dev(el) or similar package.])
3536 ## Use termcap instead of terminfo?
3537 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3539 ## FIXME? In the cases below where we unconditionally set
3540 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3541 ## if that was found above to have tputs.
3542 ## Should we use the gnu* logic everywhere?
3544 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3545 ## The ncurses library has been moved out of the System framework in
3546 ## Mac OS X 10.2. So if configure detects it, set the command-line
3547 ## option to use it.
3548 darwin) LIBS_TERMCAP="-lncurses" ;;
3550 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3553 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3554 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3555 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3556 [[#if __FreeBSD_version < 400000
3559 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3561 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3563 if test $emacs_cv_freebsd_terminfo = yes; then
3564 LIBS_TERMCAP="-lncurses"
3567 LIBS_TERMCAP="-ltermcap"
3577 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3579 LIBS_TERMCAP="-ltermcap"
3583 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3585 ## hpux: Make sure we get select from libc rather than from libcurses
3586 ## because libcurses on HPUX 10.10 has a broken version of select.
3587 ## We used to use -lc -lcurses, but this may be cleaner.
3588 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3589 # set that way, now it uses the default). Isn't this a contradiction?
3590 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3594 TERMCAP_OBJ=tparam.o
3595 if test $TERMINFO = yes; then
3596 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3597 TERMCAP_OBJ=terminfo.o
3599 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3600 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3602 AC_SUBST(LIBS_TERMCAP)
3603 AC_SUBST(TERMCAP_OBJ)
3606 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3607 # On Darwin, res_init appears not to be useful: see bug#562 and
3608 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3611 if test $opsys != darwin; then
3613 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3614 #include <arpa/nameser.h>
3615 #include <resolv.h>]],
3616 [[return res_init();]])],
3617 have_res_init=yes, have_res_init=no)
3618 if test "$have_res_init" = no; then
3620 LIBS="$LIBS -lresolv"
3621 AC_MSG_CHECKING(for res_init with -lresolv)
3622 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3623 #include <arpa/nameser.h>
3624 #include <resolv.h>]],
3625 [[return res_init();]])],
3626 have_res_init=yes, have_res_init=no)
3627 AC_MSG_RESULT($have_res_init)
3628 if test "$have_res_init" = yes ; then
3634 if test "$have_res_init" = yes; then
3635 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3639 # Do we need the Hesiod library to provide the support routines?
3640 dnl FIXME? Should we be skipping this on Darwin too?
3642 if test "$with_hesiod" != no ; then
3643 # Don't set $LIBS here -- see comments above. FIXME which comments?
3644 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3645 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3646 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3647 if test "$resolv" = yes ; then
3652 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3653 hesiod=yes, :, $RESOLVLIB)])
3655 if test x"$hesiod" = xyes; then
3661 # Do we need libresolv (due to res_init or Hesiod)?
3662 if test "$resolv" = yes && test $opsys != darwin; then
3669 # These tell us which Kerberos-related libraries to use.
3676 if test "${with_kerberos}" != no; then
3677 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3678 if test $have_com_err = yes; then
3679 COM_ERRLIB=-lcom_err
3680 LIBS="$COM_ERRLIB $LIBS"
3682 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3683 if test $have_crypto = yes; then
3685 LIBS="$CRYPTOLIB $LIBS"
3687 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3688 if test $have_k5crypto = yes; then
3689 CRYPTOLIB=-lk5crypto
3690 LIBS="$CRYPTOLIB $LIBS"
3692 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3693 if test $have_krb5=yes; then
3695 LIBS="$KRB5LIB $LIBS"
3697 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3698 if test "${with_kerberos5}" = no; then
3699 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3700 if test $have_des425 = yes; then
3702 LIBS="$DESLIB $LIBS"
3704 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3705 if test $have_des = yes; then
3707 LIBS="$DESLIB $LIBS"
3710 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3711 if test $have_krb4 = yes; then
3713 LIBS="$KRB4LIB $LIBS"
3715 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3716 if test $have_krb = yes; then
3718 LIBS="$KRB4LIB $LIBS"
3723 if test "${with_kerberos5}" != no; then
3724 AC_CHECK_HEADERS(krb5.h,
3725 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3726 [#include <krb5.h>])])
3728 AC_CHECK_HEADERS(krb.h,,
3729 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3730 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3732 AC_CHECK_HEADERS(com_err.h)
3735 AC_SUBST(COM_ERRLIB)
3741 AC_CHECK_HEADERS(valgrind/valgrind.h)
3743 AC_CHECK_FUNCS_ONCE(tzset)
3744 AC_MSG_CHECKING(whether localtime caches TZ)
3745 AC_CACHE_VAL(emacs_cv_localtime_cache,
3746 [if test x$ac_cv_func_tzset = xyes; then
3747 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3748 char TZ_GMT0[] = "TZ=GMT0";
3749 char TZ_PST8[] = "TZ=PST8";
3752 time_t now = time ((time_t *) 0);
3753 int hour_GMT0, hour_unset;
3754 if (putenv (TZ_GMT0) != 0)
3756 hour_GMT0 = localtime (&now)->tm_hour;
3758 hour_unset = localtime (&now)->tm_hour;
3759 if (putenv (TZ_PST8) != 0)
3761 if (localtime (&now)->tm_hour == hour_GMT0)
3764 if (localtime (&now)->tm_hour != hour_unset)
3767 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3768 [# If we have tzset, assume the worst when cross-compiling.
3769 emacs_cv_localtime_cache=yes])
3771 # If we lack tzset, report that localtime does not cache TZ,
3772 # since we can't invalidate the cache if we don't have tzset.
3773 emacs_cv_localtime_cache=no
3775 AC_MSG_RESULT($emacs_cv_localtime_cache)
3776 if test $emacs_cv_localtime_cache = yes; then
3777 AC_DEFINE(LOCALTIME_CACHE, 1,
3778 [Define to 1 if localtime caches TZ.])
3782 AC_CHECK_FUNC(socket, , ok_so_far=no)
3783 if test $ok_so_far = yes; then
3784 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3786 if test $ok_so_far = yes; then
3787 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3789 if test $ok_so_far = yes; then
3790 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3791 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3792 [Define to 1 if you have inet sockets.])
3795 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3796 dnl This can be removed once we assume Autoconf 2.70.
3798 *-solaris2.4 | *-solaris2.4.*)
3799 dnl Disable the Autoconf-generated vfork test.
3800 : ${ac_cv_func_vfork_works=no};;
3805 AC_CHECK_FUNCS(snprintf)
3807 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3810 AC_MSG_CHECKING([whether GLib is linked in])
3811 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3814 [[g_print ("Hello world");]])],
3817 AC_MSG_RESULT([$links_glib])
3818 if test "${links_glib}" = "yes"; then
3819 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3820 if test "$HAVE_NS" = no;then
3826 dnl Adapted from Haible's version.
3827 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3828 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3829 [[char* cs = nl_langinfo(CODESET);]])],
3830 emacs_cv_langinfo_codeset=yes,
3831 emacs_cv_langinfo_codeset=no)
3833 if test $emacs_cv_langinfo_codeset = yes; then
3834 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3835 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3840 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3841 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3842 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3843 if test "$emacs_cv_c_restrict_arr" = yes; then
3844 AC_DEFINE(__restrict_arr, __restrict,
3845 [Define to compiler's equivalent of C99 restrict keyword in array
3846 declarations. Define as empty for no equivalent.])
3849 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3850 dnl how the tty code is related to POSIX and/or other versions of termios.
3851 dnl The following looks like a useful start.
3853 dnl AC_SYS_POSIX_TERMIOS
3854 dnl if test $ac_cv_sys_posix_termios = yes; then
3855 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3856 dnl and macros for terminal control.])
3857 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3860 dnl Turned on June 1996 supposing nobody will mind it.
3861 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3862 if test "${opsys}" != "mingw32"; then
3863 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3864 in the full name stands for the login id.])
3867 dnl Every platform that uses configure supports this.
3868 dnl There is a create-lockfiles option you can
3869 dnl customize if you do not want the lock files to be written.
3870 dnl So it is not clear that this #define still needs to exist.
3871 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3872 so that Emacs can tell instantly when you try to modify a file that
3873 someone else has modified in his/her Emacs.])
3875 dnl Everybody supports this, except MS.
3876 dnl Seems like the kind of thing we should be testing for, though.
3877 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3878 if test "${opsys}" != "mingw32"; then
3879 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3882 dnl Everybody supports this, except MS-DOS.
3883 dnl Seems like the kind of thing we should be testing for, though.
3884 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3885 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3886 4.2-compatible sockets.])
3888 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3890 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3891 a null file, or a data sink.])
3892 if test "${opsys}" = "mingw32"; then
3893 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3895 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3898 if test "${opsys}" = "mingw32"; then
3903 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3904 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3905 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3906 dnl decides that a command-line argument to be passed to a MinGW program
3907 dnl is a PATH-style list of directories. But that heuristics plays it
3908 dnl safe, and only does the replacement when it is _absolutely_ sure it
3909 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3910 dnl which breaks in-tree builds. So we do this manually instead.
3911 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3912 dnl be computed as ':' in MSYS Bash.
3915 dnl Everybody supports this, except MS-DOS.
3916 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3918 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3921 AC_DEFINE(DIRECTORY_SEP, ['/'],
3922 [Character that separates directories in a file name.])
3924 if test "${opsys}" = "mingw32"; then
3925 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3926 [Returns true if character is a device separator.])
3928 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3929 [Returns true if character is a directory separator.])
3931 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3932 [Returns true if character is any form of separator.])
3934 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3935 [Returns true if character is a device separator.])
3937 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3938 [Returns true if character is a directory separator.])
3940 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3941 [Returns true if character is any form of separator.])
3944 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3948 dnl Unfortunately without libXmu we cannot support EditRes.
3949 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3950 AC_DEFINE(NO_EDITRES, 1)
3955 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3956 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3957 AC_DEFINE(NO_EDITRES, 1)
3963 irix6-5 | sol2* | unixware )
3964 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3965 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3966 dnl need the constant to dimension an array. So wire in the appropriate
3968 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3972 emacs_broken_SIGIO=no
3975 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3976 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3977 hpux* | irix6-5 | openbsd | sol2* | unixware )
3978 emacs_broken_SIGIO=yes
3982 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3983 dnl the way this system works, libc functions that return malloced
3984 dnl memory use the libc malloc implementation. Calling xfree or
3985 dnl xrealloc on the results of such functions results in a crash.
3987 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3988 dnl but that does not currently work on this system.
3990 dnl It is possible to completely override the malloc implementation on
3991 dnl AIX, but that involves putting the malloc functions in a shared
3992 dnl library and setting the MALLOCTYPE environment variable to point to
3993 dnl that shared library.
3995 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3996 dnl to avoid a crash just use the Emacs implementation for that function.
3998 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3999 dnl of this file, so that we do not check for get_current_dir_name
4000 dnl on AIX. But that might be fragile if something else ends
4001 dnl up testing for get_current_dir_name as a dependency.
4002 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4003 get_current_dir_name should not be used.])
4007 dnl Circumvent a bug in FreeBSD. In the following sequence of
4008 dnl writes/reads on a PTY, read(2) returns bogus data:
4010 dnl write(2) 1022 bytes
4011 dnl write(2) 954 bytes, get EAGAIN
4012 dnl read(2) 1024 bytes in process_read_output
4013 dnl read(2) 11 bytes in process_read_output
4015 dnl That is, read(2) returns more bytes than have ever been written
4016 dnl successfully. The 1033 bytes read are the 1022 bytes written
4017 dnl successfully after processing (for example with CRs added if the
4018 dnl terminal is set up that way which it is here). The same bytes will
4019 dnl be seen again in a later read(2), without the CRs.
4020 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4021 work around an issue when reading from a PTY.])
4027 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4028 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4033 darwin | dragonfly | freebsd | netbsd | openbsd )
4034 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4035 close a pty to make it a controlling terminal (it is already a
4036 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4040 dnl FIXME Surely we can test for this rather than hard-code it.
4042 netbsd | openbsd) sound_device="/dev/audio" ;;
4043 *) sound_device="/dev/dsp" ;;
4047 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4048 [Name of the default sound device.])
4051 dnl Emacs can read input using SIGIO and buffering characters itself,
4052 dnl or using CBREAK mode and making C-g cause SIGINT.
4053 dnl The choice is controlled by the variable interrupt_input.
4055 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4057 dnl Emacs uses the presence of the USABLE_SIGIO macro
4058 dnl to indicate whether or not signal-driven I/O is possible. It uses
4059 dnl INTERRUPT_INPUT to decide whether to use it by default.
4061 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4062 dnl CBREAK mode has two disadvantages
4063 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4064 dnl I hear that in system V this problem does not exist.
4065 dnl 2) Control-G causes output to be discarded.
4066 dnl I do not know whether this can be fixed in system V.
4068 dnl Another method of doing input is planned but not implemented.
4069 dnl It would have Emacs fork off a separate process
4070 dnl to read the input and send it to the true Emacs process
4073 darwin | gnu-linux | gnu-kfreebsd )
4074 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4079 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4080 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4081 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4082 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4083 dnl taking float or double parameters.
4085 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4086 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4087 file defines `NeedWidePrototypes' as `NO'.])
4092 dnl Used in process.c, this must be a loop, even if it only runs once.
4093 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4094 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4095 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4096 dnl trying suffixes 0-16.
4097 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4098 first PTY, if PTYs are supported.])
4099 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4100 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4101 end of a PTY, if non-standard.])
4102 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4103 end of a PTY, if non-standard.])
4107 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4108 dnl You allocate a pty by opening /dev/ptc to get the master side.
4109 dnl To get the name of the slave side, you just ttyname() the master side.
4110 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4111 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4115 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4116 dnl multi-line AC_DEFINEs are hard. :(
4117 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)])
4118 AC_DEFINE(PTY_NAME_SPRINTF, [])
4119 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4122 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4124 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4125 dnl Not used, because PTY_ITERATION is defined.
4126 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4127 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4128 dnl But we don't have to block SIGCHLD because it is blocked in the
4129 dnl implementation of grantpt.
4130 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4131 AC_DEFINE(PTY_NAME_SPRINTF, [])
4132 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4136 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4139 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4141 if test "x$ac_cv_func_grantpt" = xyes; then
4142 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4143 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4144 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4145 dnl to prevent sigchld_handler from intercepting the child's death.
4146 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); }])
4147 dnl if HAVE_POSIX_OPENPT
4148 if test "x$ac_cv_func_posix_openpt" = xyes; then
4149 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4150 AC_DEFINE(PTY_NAME_SPRINTF, [])
4152 elif test "x$ac_cv_func_getpt" = xyes; then
4153 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4154 AC_DEFINE(PTY_NAME_SPRINTF, [])
4156 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4159 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4164 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4165 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4166 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4170 dnl It looks like this cannot be right, because it is not a loop.
4171 dnl However, process.c actually does this:
4177 dnl which presumably makes it OK, since irix == sgi (?).
4178 dnl FIXME it seems like this special treatment is unnecessary?
4179 dnl Why can't irix use a single-trip loop like eg cygwin?
4180 AC_DEFINE(PTY_ITERATION, [])
4181 dnl Not used, because PTY_ITERATION is defined.
4182 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4183 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); }])
4184 dnl No need to get the pty name at all.
4185 AC_DEFINE(PTY_NAME_SPRINTF, [])
4186 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4187 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4191 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4192 dnl from intercepting that death. If any child but grantpt's should die
4193 dnl within, it should be caught after sigrelse(2).
4194 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); }])
4198 dnl Comments are as per sol2*.
4199 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); }])
4206 dnl This change means that we don't loop through allocate_pty too
4207 dnl many times in the (rare) event of a failure.
4208 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4209 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4210 dnl Push various streams modules onto a PTY channel. Used in process.c.
4211 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.])
4216 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4217 "typing" a signal character on the pty.])
4220 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4221 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4222 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4223 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4226 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4227 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4228 gnu-linux | gnu-kfreebsd )
4230 AC_MSG_CHECKING([for signals via characters])
4231 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4232 #include <linux/version.h>
4233 #if LINUX_VERSION_CODE < 0x20400
4234 # error "Linux version too old"
4236 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4238 AC_MSG_RESULT([$emacs_signals_via_chars])
4239 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4244 dnl Used in lisp.h, emacs.c, vm-limit.c
4245 dnl NEWS.18 describes this as "a number which contains
4246 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4247 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4248 stored in a Lisp_Object.])
4249 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4253 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4254 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4257 dnl The data segment on this machine always starts at address 0x40000000.
4258 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4261 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4266 AH_TEMPLATE(TAB3, [Undocumented.])
4269 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4271 gnu | dragonfly | freebsd | netbsd | openbsd )
4272 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4273 AC_DEFINE(TAB3, OXTABS)
4276 gnu-linux | gnu-kfreebsd )
4277 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4281 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4282 [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)],
4283 [Mark a secondary stack, like the register stack on the ia64.]), [])
4287 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4288 run_time_remap; for HPUX.])
4293 dnl This won't be used automatically yet. We also need to know, at least,
4294 dnl that the stack is continuous.
4295 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4296 registers relevant for conservative garbage collection in the jmp_buf.])
4300 dnl Not all the architectures are tested, but there are Debian packages
4301 dnl for SCM and/or Guile on them, so the technique must work. See also
4302 dnl comments in alloc.c concerning setjmp and gcc.
4303 dnl Fixme: it's probably safe to just use the GCC conditional below.
4304 gnu-linux | gnu-kfreebsd )
4305 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4306 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4307 || defined __alpha__ || defined __mips__ || defined __s390__ \
4308 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4309 || defined __ia64__ || defined __sh__
4312 # error "setjmp not known to work on this arch"
4314 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4319 if test x$GCC = xyes; then
4320 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4321 AC_DEFINE(GC_SETJMP_WORKS, 1)
4324 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4325 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4326 AC_DEFINE(GC_SETJMP_WORKS, 1)
4331 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4332 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4335 [[#include <setjmp.h>
4337 # define _longjmp longjmp
4342 _longjmp (j, 1);]])],
4343 [emacs_cv_func__setjmp=yes],
4344 [emacs_cv_func__setjmp=no])])
4345 if test $emacs_cv_func__setjmp = yes; then
4346 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4348 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4351 [[#include <setjmp.h>
4354 if (! sigsetjmp (j, 1))
4355 siglongjmp (j, 1);]])],
4356 [emacs_cv_func_sigsetjmp=yes],
4357 [emacs_cv_func_sigsetjmp=no])])
4358 if test $emacs_cv_func_sigsetjmp = yes; then
4359 AC_DEFINE([HAVE_SIGSETJMP], 1,
4360 [Define to 1 if sigsetjmp and siglongjmp work.
4361 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4367 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4368 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4369 dnl and this is all we need.
4370 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4377 dnl Used in xfaces.c.
4378 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4379 some systems, where it requires time.h.])
4384 dnl Define symbols to identify the version of Unix this is.
4385 dnl Define all the symbols that apply correctly.
4386 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4387 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4388 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4389 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4394 dnl This symbol should be defined on AIX Version 3 ???????
4395 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4397 # error "_AIX not defined"
4399 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4403 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4407 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4408 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4409 dnl distinguish OS X from pure Darwin.
4410 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4413 gnu-linux | gnu-kfreebsd )
4415 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4420 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4425 AC_DEFINE(USG5_4, [])
4426 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4430 AC_DEFINE(DOS_NT, [])
4431 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4432 if test "x$ac_enable_checking" != "x" ; then
4433 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4439 AC_DEFINE(USG5_4, [])
4440 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4445 AC_DEFINE(USG5_4, [])
4449 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4452 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4453 emacs_cv_usable_FIONREAD=no
4457 emacs_cv_usable_FIONREAD=yes
4462 [AC_LANG_PROGRAM([[#include <sys/types.h>
4463 #include <sys/ioctl.h>
4465 # include <sys/filio.h>
4468 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4469 [emacs_cv_usable_FIONREAD=yes],
4470 [emacs_cv_usable_FIONREAD=no])
4473 if test $emacs_cv_usable_FIONREAD = yes; then
4474 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4476 if test $emacs_broken_SIGIO = no; then
4477 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4479 [AC_LANG_PROGRAM([[#include <fcntl.h>
4482 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4483 [emacs_cv_usable_SIGIO=yes],
4484 [emacs_cv_usable_SIGIO=no])],
4485 [emacs_cv_usable_SIGIO=yes],
4486 [emacs_cv_usable_SIGIO=no])
4487 if test $emacs_cv_usable_SIGIO = yes; then
4488 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4495 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4496 dnl and on Cygwin prior to version 1.7.24 that becomes the
4497 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4498 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4499 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4500 dnl needed starting with cygwin-1.7.24, and it is no longer
4501 dnl effective starting with glib-2.36. */
4503 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4504 G_SLICE environment variable to "always-malloc" at startup.])
4508 dnl It works to open the pty's tty in the parent (Emacs), then
4509 dnl close and reopen it in the child.
4510 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4511 works to open a pty's tty in the parent process, then close and
4512 reopen it in the child.])
4516 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4517 use VSUSP instead of VSWTCH.])
4521 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4526 # Set up the CFLAGS for real compilation, so we can substitute it.
4527 CFLAGS="$REAL_CFLAGS"
4528 CPPFLAGS="$REAL_CPPFLAGS"
4530 ## Hack to detect a buggy GCC version.
4531 if test "x$GCC" = xyes \
4532 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4533 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4534 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4535 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4538 version=$PACKAGE_VERSION
4540 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4541 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4542 [Short copyright string for this version of Emacs.])
4545 ### Specify what sort of things we'll be editing into Makefile and config.h.
4546 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4548 AC_SUBST(configuration)
4553 AC_SUBST(exec_prefix)
4556 AC_SUBST(sharedstatedir)
4557 AC_SUBST(libexecdir)
4561 AC_SUBST(standardlisppath)
4562 AC_SUBST(locallisppath)
4564 AC_SUBST(x_default_search_path)
4566 AC_SUBST(archlibdir)
4571 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4572 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4573 ## end of LIBX_BASE, but nothing ever set it.
4574 AC_SUBST(LD_SWITCH_X_SITE)
4575 AC_SUBST(C_SWITCH_X_SITE)
4576 AC_SUBST(GNUSTEP_CFLAGS)
4578 ## Used in lwlib/Makefile.in.
4579 AC_SUBST(X_TOOLKIT_TYPE)
4581 AC_SUBST(ns_appbindir)
4582 AC_SUBST(ns_appresdir)
4584 AC_SUBST(GNU_OBJC_CFLAGS)
4585 AC_SUBST(OTHER_FILES)
4587 if test -n "${term_header}"; then
4588 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4589 [Define to the header for the built-in window system.])
4592 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4593 [Define to the canonical Emacs configuration name.])
4594 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4595 [Define to the options passed to configure.])
4596 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4597 define this to include extra configuration information.])
4601 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4608 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4609 AC_DEFINE(HAVE_X_WINDOWS, 1,
4610 [Define to 1 if you want to use the X window system.])
4612 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4614 if test "$HAVE_XFT" = "yes"; then
4615 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4616 elif test "$HAVE_FREETYPE" = "yes"; then
4617 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4627 if test "${USE_X_TOOLKIT}" != "none" ; then
4629 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4630 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4631 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4632 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4633 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4637 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4638 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4642 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4643 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4644 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4648 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4649 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4652 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4655 AC_SUBST(WIDGET_OBJ)
4658 case "$USE_X_TOOLKIT" in
4659 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4660 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4661 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4663 AC_SUBST(TOOLKIT_LIBW)
4665 if test "${opsys}" != "mingw32"; then
4666 if test "$USE_X_TOOLKIT" = "none"; then
4667 LIBXT_OTHER="\$(LIBXSM)"
4669 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4672 AC_SUBST(LIBXT_OTHER)
4674 if test "${HAVE_X11}" = "yes" ; then
4675 AC_DEFINE(HAVE_X11, 1,
4676 [Define to 1 if you want to use version 11 of X windows.])
4677 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4681 AC_SUBST(LIBX_OTHER)
4683 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4685 elif test "$USE_X_TOOLKIT" = none; then
4686 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4688 LIBXMENU='$(lwlibdir)/liblw.a'
4692 if test "${GNU_MALLOC}" = "yes" ; then
4693 AC_DEFINE(GNU_MALLOC, 1,
4694 [Define to 1 if you want to use the GNU memory allocator.])
4698 if test "${REL_ALLOC}" = "yes" ; then
4699 AC_DEFINE(REL_ALLOC, 1,
4700 [Define REL_ALLOC if you want to use the relocating allocator for
4703 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4705 AC_SUBST(RALLOC_OBJ)
4707 if test "$opsys" = "cygwin"; then
4708 CYGWIN_OBJ="sheap.o cygw32.o"
4709 ## Cygwin differs because of its unexec().
4711 POST_ALLOC_OBJ=lastfile.o
4712 elif test "$opsys" = "mingw32"; then
4715 POST_ALLOC_OBJ=lastfile.o
4718 PRE_ALLOC_OBJ=lastfile.o
4721 AC_SUBST(CYGWIN_OBJ)
4722 AC_SUBST(PRE_ALLOC_OBJ)
4723 AC_SUBST(POST_ALLOC_OBJ)
4725 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4726 dnl verbatim defined above. The tricky name is apropos, as this hack
4727 dnl makes Fortify go sour!
4728 AH_VERBATIM([FORTIFY_SOUR],
4729 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4730 The workaround disables some useful run-time checking, so it
4731 should be conditional to the platforms with the performance bug.
4732 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4733 #if defined __APPLE__ && defined __GNUC__
4734 # ifndef _DONT_USE_CTYPE_INLINE_
4735 # define _DONT_USE_CTYPE_INLINE_
4737 # ifndef _FORTIFY_SOURCE
4738 # define _FORTIFY_SOURCE 0
4743 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4744 # it temporarily reverts them to their pre-pkg-config values,
4745 # because gnulib needs to work with both src (which uses the
4746 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4747 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4748 # and it therefore needs to run in an environment where LIBS does not
4749 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4750 # for some package unrelated to lib-src.
4753 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4754 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4755 gl_ASSERT_NO_GNULIB_POSIXCHECK
4756 gl_ASSERT_NO_GNULIB_TESTS
4761 if test "${opsys}" = "mingw32"; then
4762 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4763 # Remove unneeded switches from the value of CC that goes to Makefiles
4764 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4768 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4771 ## The -headerpad option tells ld (see man page) to leave room at the
4772 ## end of the header for adding load commands. Needed for dumping.
4773 ## 0x690 is the total size of 30 segment load commands (at 56
4774 ## each); under Cocoa 31 commands are required.
4775 if test "$HAVE_NS" = "yes"; then
4776 libs_nsgui="-framework AppKit"
4777 if test "$NS_IMPL_COCOA" = "yes"; then
4778 libs_nsgui="$libs_nsgui -framework IOKit"
4785 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4787 ## This is here because src/Makefile.in did some extra fiddling around
4788 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4789 ## LD_SWITCH_SYSTEM_TEMACS instead,
4790 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4791 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4794 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4795 ## find X at run-time.
4796 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4797 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4798 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4799 ## had different values in configure (in ac_link) and src/Makefile.in.
4800 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4801 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4804 ## MinGW64 does not prepend an underscore to symbols, so we must
4805 ## pass a different -entry switch to linker. FIXME: It is better
4806 ## to make the entry points the same by changing unexw32.c.
4807 case "$canonical" in
4808 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4809 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4813 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4815 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4818 if test x$ac_enable_profiling != x ; then
4820 *freebsd | gnu-linux) ;;
4821 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4825 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4827 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4829 ## MinGW-specific post-link processing of temacs.
4830 TEMACS_POST_LINK=":"
4833 if test "${opsys}" = "mingw32"; then
4834 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4835 ADDSECTION="../nt/addsection\$(EXEEXT)"
4836 ## Preload heap size of temacs.exe in MB.
4837 case "$canonical" in
4838 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4839 *) EMACS_HEAPSIZE=27 ;;
4843 AC_SUBST(ADDSECTION)
4844 AC_SUBST(TEMACS_POST_LINK)
4845 AC_SUBST(EMACS_HEAPSIZE)
4847 ## Common for all window systems
4848 if test "$window_system" != "none"; then
4849 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4850 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4853 AC_SUBST(WINDOW_SYSTEM_OBJ)
4855 AH_TOP([/* GNU Emacs site configuration template file.
4857 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4858 Free Software Foundation, Inc.
4860 This file is part of GNU Emacs.
4862 GNU Emacs is free software: you can redistribute it and/or modify
4863 it under the terms of the GNU General Public License as published by
4864 the Free Software Foundation, either version 3 of the License, or
4865 (at your option) any later version.
4867 GNU Emacs is distributed in the hope that it will be useful,
4868 but WITHOUT ANY WARRANTY; without even the implied warranty of
4869 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4870 GNU General Public License for more details.
4872 You should have received a copy of the GNU General Public License
4873 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4876 /* No code in Emacs #includes config.h twice, but some bits of code
4877 intended to work with other packages as well (like gmalloc.c)
4878 think they can include it as many times as they like. */
4879 #ifndef EMACS_CONFIG_H
4880 #define EMACS_CONFIG_H
4883 AH_BOTTOM([#include <conf_post.h>
4885 #endif /* EMACS_CONFIG_H */
4894 #### Report on what we decided to do.
4895 #### Report GTK as a toolkit, even if it doesn't use Xt.
4896 #### It makes printing result more understandable as using GTK sets
4897 #### toolkit_scroll_bars to yes by default.
4898 if test "${HAVE_GTK}" = "yes"; then
4899 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4902 if test $USE_ACL -ne 0; then
4903 acl_summary="yes $LIB_ACL"
4909 Configured for \`${canonical}'.
4911 Where should the build process find the source code? ${srcdir}
4912 What compiler should emacs be built with? ${CC} ${CFLAGS}
4913 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4914 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4915 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4916 What window system should Emacs use? ${window_system}
4917 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4919 if test -n "${x_includes}"; then
4920 echo " Where do we find X Windows header files? ${x_includes}"
4922 echo " Where do we find X Windows header files? Standard dirs"
4924 if test -n "${x_libraries}"; then
4925 echo " Where do we find X Windows libraries? ${x_libraries}"
4927 echo " Where do we find X Windows libraries? Standard dirs"
4930 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4931 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4932 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4933 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4934 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4935 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4936 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4937 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4939 echo " Does Emacs support sound? ${HAVE_SOUND}"
4941 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4942 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4943 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4944 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4945 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4946 echo " Does Emacs use access control lists? ${acl_summary}"
4947 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4948 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4949 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4951 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4952 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4953 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4954 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4955 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4957 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4960 if test -n "${EMACSDATA}"; then
4961 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4963 if test -n "${EMACSDOC}"; then
4964 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4969 if test "$HAVE_NS" = "yes"; then
4971 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4972 The installed application will go to nextstep/Emacs.app and can be
4973 run or moved from there."
4974 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4975 echo "The application will be fully self-contained."
4977 echo "The lisp resources for the application will be installed under ${prefix}.
4978 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4979 to run if these resources are not installed."
4984 if test "${opsys}" = "cygwin"; then
4986 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4992 # Remove any trailing slashes in these variables.
4993 [test "${prefix}" != NONE &&
4994 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4995 test "${exec_prefix}" != NONE &&
4996 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4998 if test "$HAVE_NS" = "yes"; then
4999 if test "$NS_IMPL_GNUSTEP" = yes; then
5000 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5001 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5002 ns_check_file=Resources/Info-gnustep.plist
5004 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5005 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5006 ns_check_file=Contents/Info.plist
5008 AC_SUBST(ns_check_file)
5011 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5012 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5013 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5014 dnl (else you get "no `Makefile.am' found for any configure output").
5015 dnl This will work, but you get a config.status that is not quite right
5016 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5017 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5018 dnl it seems better to just live with the duplication.
5019 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5021 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5022 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5023 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5024 leim/Makefile nextstep/Makefile nt/Makefile])
5026 dnl test/ is not present in release tarfiles.
5027 opt_makefile=test/automated/Makefile
5029 if test -f "$srcdir/$opt_makefile.in"; then
5030 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5031 dnl Again, it's best not to use a variable. Though you can add
5032 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5033 AC_CONFIG_FILES([test/automated/Makefile])
5037 dnl The admin/ directory used to be excluded from tarfiles.
5038 if test -d $srcdir/admin; then
5039 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5040 AC_CONFIG_FILES([admin/unidata/Makefile])
5041 AC_CONFIG_FILES([admin/grammars/Makefile])
5045 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5047 AC_SUBST(SUBDIR_MAKEFILES_IN)
5049 dnl You might wonder (I did) why epaths.h is generated by running make,
5050 dnl rather than just letting configure generate it from epaths.in.
5051 dnl One reason is that the various paths are not fully expanded (see above);
5052 dnl eg gamedir=${prefix}/var/games/emacs.
5053 dnl Secondly, the GNU Coding standards require that one should be able
5054 dnl to run `make prefix=/some/where/else' and override the values set
5055 dnl by configure. This also explains the `move-if-change' test and
5056 dnl the use of force in the `epaths-force' rule in Makefile.in.
5057 AC_CONFIG_COMMANDS([src/epaths.h], [
5058 if test "${opsys}" = "mingw32"; then
5059 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5061 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5063 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5065 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5066 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5068 AC_CONFIG_COMMANDS([src/.gdbinit], [
5069 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5070 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit