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 case "`uname 2>/dev/null`" in
45 AC_CHECK_PROGS(XCRUN, [xcrun])
46 if test x"$XCRUN" != x; then
47 AC_CHECK_PROGS(MAKE, [make "$XCRUN make"])
49 xcsdkdir="`$XCRUN --show-sdk-path 2>/dev/null`"
54 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
55 dnl and then quoted again for a C string. Separate options with spaces.
56 dnl Add some environment variables, if they were passed via the environment
57 dnl rather than on the command-line.
60 dnl This is the documented way to record the args passed to configure,
61 dnl rather than $ac_configure_args.
62 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
64 -n | --no-create | --no-recursion)
66 CFLAGS | CPPFLAGS | LDFLAGS)
67 eval 'test "${'$opt'+set}" = set' || continue
69 *" $opt="*) continue ;;
71 eval opt=$opt=\$$opt ;;
74 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
76 *[["$emacs_shell_specials"]]*)
79 emacs_quote_apostrophes="s/'/'\\\\''/g"
80 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
85 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
86 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
89 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
93 AC_CONFIG_HEADERS(src/config.h:src/config.in)
94 AC_CONFIG_SRCDIR(src/lisp.h)
95 AC_CONFIG_AUX_DIR(build-aux)
96 dnl Fairly arbitrary, older versions might work too.
97 AM_INIT_AUTOMAKE(1.11)
99 dnl Support for --program-prefix, --program-suffix and
100 dnl --program-transform-name options
103 dnl It is important that variables on the RHS not be expanded here,
104 dnl hence the single quotes. This is per the GNU coding standards, see
105 dnl (autoconf) Installation Directory Variables
106 dnl See also epaths.h below.
107 lispdir='${datadir}/emacs/${version}/lisp'
108 standardlisppath='${lispdir}'
109 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
110 '${datadir}/emacs/site-lisp'
111 lisppath='${locallisppath}:${standardlisppath}'
112 etcdir='${datadir}/emacs/${version}/etc'
113 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
114 etcdocdir='${datadir}/emacs/${version}/etc'
115 gamedir='${localstatedir}/games/emacs'
117 dnl Special option to disable the most of other options.
119 [AS_HELP_STRING([--without-all],
120 [omit almost all features and build
121 small executable with minimal dependencies])],
122 [with_features=$withval],
125 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
126 dnl Create a new --with option that defaults to being disabled.
127 dnl NAME is the base name of the option. The shell variable with_NAME
128 dnl will be set to either the user's value (if the option is
129 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
130 dnl option is not specified). Note that the shell variable name is
131 dnl constructed as autoconf does, by replacing non-alphanumeric
132 dnl characters with "_".
133 dnl HELP-STRING is the help text for the option.
134 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
135 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
136 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
139 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
140 dnl Create a new --with option that defaults to $with_features.
141 dnl NAME is the base name of the option. The shell variable with_NAME
142 dnl will be set either to 'no' (for a plain --without-NAME) or to
143 dnl 'yes' (if the option is not specified). Note that the shell
144 dnl variable name is constructed as autoconf does, by replacing
145 dnl non-alphanumeric characters with "_".
146 dnl HELP-STRING is the help text for the option.
147 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
148 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
149 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
152 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
153 if test "$with_pop" = yes; then
154 AC_DEFINE(MAIL_USE_POP)
156 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
158 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
159 if test "$with_kerberos" != no; then
162 AH_TEMPLATE(KERBEROS,
163 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
165 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
166 if test "${with_kerberos5}" != no; then
167 if test "${with_kerberos}" = no; then
171 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
174 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
175 dnl FIXME hesiod support may not be present, so it seems like an error
176 dnl to define, or at least use, this unconditionally.
177 if test "$with_hesiod" != no; then
178 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
181 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
182 if test "$with_mmdf" != no; then
183 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
186 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
187 if test "$with_mail_unlink" != no; then
188 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
191 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
192 [string giving default POP mail host])],
193 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
195 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
196 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
197 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
198 [ case "${withval}" in
199 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
200 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
201 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
206 [with_sound=$with_features])
208 dnl FIXME currently it is not the last.
209 dnl This should be the last --with option, because --with-x is
210 dnl added later on when we find the file name of X, and it's best to
211 dnl keep them together visually.
212 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
213 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
214 [ case "${withval}" in
215 y | ye | yes ) val=gtk ;;
217 l | lu | luc | luci | lucid ) val=lucid ;;
218 a | at | ath | athe | athen | athena ) val=athena ;;
219 m | mo | mot | moti | motif ) val=motif ;;
220 g | gt | gtk ) val=gtk ;;
224 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
225 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
226 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
227 `athena' and `lucid' are synonyms.])
233 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
234 if test "$with_wide_int" = yes; then
235 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
238 dnl _ON results in a '--without' option in the --help output, so
239 dnl the help text should refer to "don't compile", etc.
240 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
241 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
242 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
243 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
244 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
245 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
246 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
247 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
249 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
250 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
251 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
253 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
254 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
255 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
256 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
257 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
259 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
260 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
261 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
262 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
263 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
264 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
265 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
267 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
268 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
269 [ case "${withval}" in
270 y | ye | yes ) val=yes ;;
272 g | gf | gfi | gfil | gfile ) val=gfile ;;
273 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
274 w | w3 | w32 ) val=w32 ;;
275 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
276 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
277 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
278 otherwise for the first of `gfile' or `inotify' that is usable.])
281 with_file_notification=$val
283 [with_file_notification=$with_features])
285 ## For the times when you want to build Emacs but don't have
286 ## a suitable makeinfo, and can live without the manuals.
287 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
288 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
290 ## Makefile.in needs the cache file name.
293 ## This is an option because I do not know if all info/man support
294 ## compressed files, nor how to test if they do so.
295 OPTION_DEFAULT_ON([compress-install],
296 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
297 make GZIP_PROG= install])
299 AC_ARG_WITH([pkg-config-prog],dnl
300 [AS_HELP_STRING([--with-pkg-config-prog=FILENAME],
301 [file name of pkg-config for finding GTK and librsvg])])
302 if test "X${with_pkg_config_prog}" != X; then
303 if test "${with_pkg_config_prog}" != yes; then
304 PKG_CONFIG="${with_pkg_config_prog}"
308 AC_ARG_WITH(gameuser,dnl
309 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
310 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
311 && gameuser="${with_gameuser}"
312 test "X$gameuser" = X && gameuser=games
314 AC_ARG_WITH([gnustep-conf],dnl
315 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
316 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
317 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
318 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
319 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
320 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
322 AC_ARG_ENABLE(ns-self-contained,
323 [AS_HELP_STRING([--disable-ns-self-contained],
324 [disable self contained build under NeXTstep])],
325 EN_NS_SELF_CONTAINED=$enableval,
326 EN_NS_SELF_CONTAINED=yes)
328 AC_ARG_ENABLE(locallisppath,
329 [AS_HELP_STRING([--enable-locallisppath=PATH],
330 [directories Emacs should search for lisp files specific
332 if test "${enableval}" = "no"; then
334 elif test "${enableval}" != "yes"; then
335 locallisppath=${enableval}
338 AC_ARG_ENABLE(checking,
339 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
340 [enable expensive run-time checks. With LIST,
341 enable only specific categories of checks.
342 Categories are: all,yes,no.
343 Flags are: stringbytes, stringoverrun, stringfreelist,
344 xmallocoverrun, conslist, glyphs])],
345 [ac_checking_flags="${enableval}"],[])
346 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
347 for check in $ac_checking_flags
350 # these set all the flags to specific states
351 yes) ac_enable_checking=1 ;;
352 no) ac_enable_checking= ;
353 ac_gc_check_stringbytes= ;
354 ac_gc_check_string_overrun= ;
355 ac_gc_check_string_free_list= ;
356 ac_xmalloc_overrun= ;
357 ac_gc_check_cons_list= ;
359 all) ac_enable_checking=1 ;
360 ac_gc_check_stringbytes=1 ;
361 ac_gc_check_string_overrun=1 ;
362 ac_gc_check_string_free_list=1 ;
363 ac_xmalloc_overrun=1 ;
364 ac_gc_check_cons_list=1 ;
366 # these enable particular checks
367 stringbytes) ac_gc_check_stringbytes=1 ;;
368 stringoverrun) ac_gc_check_string_overrun=1 ;;
369 stringfreelist) ac_gc_check_string_free_list=1 ;;
370 xmallocoverrun) ac_xmalloc_overrun=1 ;;
371 conslist) ac_gc_check_cons_list=1 ;;
372 glyphs) ac_glyphs_debug=1 ;;
373 *) AC_MSG_ERROR(unknown check category $check) ;;
378 if test x$ac_enable_checking != x ; then
379 AC_DEFINE(ENABLE_CHECKING, 1,
380 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
382 if test x$ac_gc_check_stringbytes != x ; then
383 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
384 [Define this temporarily to hunt a bug. If defined, the size of
385 strings is redundantly recorded in sdata structures so that it can
386 be compared to the sizes recorded in Lisp strings.])
388 if test x$ac_gc_check_string_overrun != x ; then
389 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
390 [Define this to check for short string overrun.])
392 if test x$ac_gc_check_string_free_list != x ; then
393 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
394 [Define this to check the string free list.])
396 if test x$ac_xmalloc_overrun != x ; then
397 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
398 [Define this to check for malloc buffer overrun.])
400 if test x$ac_gc_check_cons_list != x ; then
401 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
402 [Define this to check for errors in cons list.])
404 if test x$ac_glyphs_debug != x ; then
405 AC_DEFINE(GLYPH_DEBUG, 1,
406 [Define this to enable glyphs debugging code.])
409 AC_ARG_ENABLE(check-lisp-object-type,
410 [AS_HELP_STRING([--enable-check-lisp-object-type],
411 [enable compile time checks for the Lisp_Object data type.
412 This is useful for development for catching certain types of bugs.])],
413 if test "${enableval}" != "no"; then
414 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
415 [Define this to enable compile time checks for the Lisp_Object data type.])
419 dnl The name of this option is unfortunate. It predates, and has no
420 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
421 dnl Actually, it stops it working.
422 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
423 AC_ARG_ENABLE(profiling,
424 [AS_HELP_STRING([--enable-profiling],
425 [build emacs with low-level, gprof profiling support.
426 Mainly useful for debugging Emacs itself. May not work on
427 all platforms. Stops profiler.el working.])],
428 [ac_enable_profiling="${enableval}"],[])
429 if test x$ac_enable_profiling != x ; then
430 PROFILING_CFLAGS="-DPROFILING=1 -pg"
434 AC_SUBST(PROFILING_CFLAGS)
436 AC_ARG_ENABLE(autodepend,
437 [AS_HELP_STRING([--enable-autodepend],
438 [automatically generate dependencies to .h-files.
439 Requires GNU Make and Gcc. Enabled if GNU Make and Gcc is
441 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
443 AC_ARG_ENABLE(gtk-deprecation-warnings,
444 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
445 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
446 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
448 ### Canonicalize the configuration name.
452 configuration=${host_alias-${build_alias-$host}}
454 dnl This used to use changequote, but, apart from `changequote is evil'
455 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
456 dnl the great gob of text. Thus it's not processed for possible expansion.
457 dnl Just make sure the brackets remain balanced.
459 dnl Since Emacs can't find matching pairs of quotes, boundaries are
460 dnl indicated by comments.
464 ### If you add support for a new configuration, add code to this
465 ### switch statement to recognize your configuration name and select
466 ### the appropriate operating system file.
468 ### You would hope that you could choose an s/*.h
469 ### file based on the operating system portion. However, it turns out
470 ### that each s/*.h file is pretty manufacturer-specific.
471 ### So we basically have to have a special case for each
472 ### configuration name.
474 ### As far as handling version numbers on operating systems is
475 ### concerned, make sure things will fail in a fixable way. If
476 ### /etc/MACHINES doesn't say anything about version numbers, be
477 ### prepared to handle anything reasonably. If version numbers
478 ### matter, be sure /etc/MACHINES says something about it.
481 case "${canonical}" in
483 ## GNU/Linux and similar ports
498 ## FreeBSD kernel + glibc based userland
513 ## Apple Darwin / Mac OS X
515 case "${canonical}" in
522 ## Use fink packages if available.
523 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
524 ## if test -d /sw/include && test -d /sw/lib; then
525 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
526 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
535 ## HP 9000 series 700 and 800, running HP/UX
539 hppa*-hp-hpux1[1-9]* )
541 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
545 rs6000-ibm-aix4.[23]* )
548 powerpc-ibm-aix4.[23]* )
551 rs6000-ibm-aix[56]* )
554 powerpc-ibm-aix[56]* )
558 ## Silicon Graphics machines
562 # Without defining _LANGUAGE_C, things get masked out in the headers
563 # so that, for instance, grepping for `free' in stdlib.h fails and
564 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
565 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
570 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
571 | x86_64-*-solaris2* | x86_64-*-sunos5*)
572 case "${canonical}" in
574 amd64-*-*|x86_64-*-*) ;;
578 case "${canonical}" in
579 *-sunos5.6* | *-solaris2.6* )
583 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
585 emacs_check_sunpro_c=yes
587 *-sunos5* | *-solaris* )
589 emacs_check_sunpro_c=yes
592 ## Watch out for a compiler that we know will not work.
593 case "${canonical}" in
594 *-solaris* | *-sunos5* )
595 if [ "x$CC" = x/usr/ucb/cc ]; then
596 ## /usr/ucb/cc doesn't work;
597 ## we should find some other compiler that does work.
605 ## Intel 386 machines where we don't care about the manufacturer.
607 case "${canonical}" in
608 *-darwin* ) opsys=darwin ;;
611 # MinGW overrides and adds some system headers in nt/inc.
612 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
614 *-sysv4.2uw* ) opsys=unixware ;;
615 *-sysv5uw* ) opsys=unixware ;;
616 *-sysv5OpenUNIX* ) opsys=unixware ;;
617 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
626 ### If the code above didn't choose an operating system, just choose
627 ### an operating system based on the configuration name. You really
628 ### only want to use this when you have no idea what the right
629 ### operating system is; if you know what operating systems a machine
630 ### runs, it's cleaner to make it explicit in the case statement
632 if test x"${opsys}" = x; then
633 case "${canonical}" in
634 *-gnu* ) opsys=gnu ;;
644 if test $unported = yes; then
645 AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
646 Check `etc/MACHINES' for recognized configuration names.])
650 #### Choose a compiler.
652 dnl Sets GCC=yes if using gcc.
653 if test x$opsys = xdarwin && test x"$XCRUN" != x; then
654 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
655 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
656 test x"$AR" != x && export AR
662 if test x$GCC = xyes; then
663 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
665 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
668 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
669 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
670 dnl that clash with MinGW.
671 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
673 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
674 AC_DEFUN([gl_CRYPTO_CHECK])
675 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
676 # as we don't use them.
677 AC_DEFUN([gl_FCNTL_O_FLAGS])
678 # Avoid gnulib's threadlib module, as we do threads our own way.
679 AC_DEFUN([gl_THREADLIB])
681 # Initialize gnulib right after choosing the compiler.
682 dnl Amongst other things, this sets AR and ARFLAGS.
685 if test "$ac_test_CFLAGS" != set; then
686 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
687 # if -g3 works and the user does not specify CFLAGS.
688 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
691 emacs_g3_CFLAGS='-g3';;
693 emacs_g3_CFLAGS='-g3 -O2';;
697 if test -n "$emacs_g3_CFLAGS"; then
698 emacs_save_CFLAGS=$CFLAGS
699 CFLAGS=$emacs_g3_CFLAGS
700 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
701 [emacs_cv_prog_cc_g3],
702 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
703 [emacs_cv_prog_cc_g3=yes],
704 [emacs_cv_prog_cc_g3=no])])
705 if test $emacs_cv_prog_cc_g3 != yes; then
706 CFLAGS=$emacs_save_CFLAGS
708 if test $opsys = mingw32; then
709 CFLAGS="$CFLAGS -gdwarf-2"
716 # No optimization flag was inferred for this non-GCC compiler.
717 # Try -O. This is needed for xlc on AIX; see Bug#14258.
718 emacs_save_CFLAGS=$CFLAGS
719 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
721 AC_CACHE_CHECK([whether $CC accepts -O],
722 [emacs_cv_prog_cc_o],
723 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
724 [emacs_cv_prog_cc_o=yes],
725 [emacs_cv_prog_cc_o=no])])
726 if test $emacs_cv_prog_cc_o != yes; then
727 CFLAGS=$emacs_save_CFLAGS
732 AC_ARG_ENABLE([gcc-warnings],
733 [AS_HELP_STRING([--enable-gcc-warnings],
734 [turn on lots of GCC warnings/errors. This is intended for
735 developers, and may generate false alarms when used
736 with older or non-GNU development tools.])],
739 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
741 gl_gcc_warnings=$enableval],
745 AC_ARG_ENABLE(link-time-optimization,
746 [AS_HELP_STRING([--enable-link-time-optimization],
747 [build emacs with link-time optimization.
748 This is supported only for GCC since 4.5.0.])],
749 if test "${enableval}" != "no"; then
750 AC_MSG_CHECKING([whether link-time optimization is supported])
752 if test x$GCC = xyes; then
753 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
754 if test x$CPUS != x; then
760 CFLAGS="$CFLAGS $LTO"
761 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
762 [ac_lto_supported=yes], [ac_lto_supported=no])
765 AC_MSG_RESULT([$ac_lto_supported])
766 if test "$ac_lto_supported" = "yes"; then
767 CFLAGS="$CFLAGS $LTO"
771 # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found])
772 # ------------------------------------------------
773 # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND.
774 # Otherwise, run RUN-IF-NOT-FOUND.
775 AC_DEFUN([gl_GCC_VERSION_IFELSE],
779 #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__)
782 # error "your version of gcc is older than $1.$2"
789 # clang is unduly picky about some things.
790 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
797 [emacs_cv_clang=yes],
798 [emacs_cv_clang=no])])
800 # When compiling with GCC, prefer -isystem to -I when including system
801 # include files, to avoid generating useless diagnostics for the files.
802 if test "$gl_gcc_warnings" != yes; then
804 if test "$emacs_cv_clang" = yes
806 # Turn off some warnings if supported.
807 gl_WARN_ADD([-Wno-switch])
808 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
809 gl_WARN_ADD([-Wno-pointer-sign])
814 # This, $nw, is the list of warnings we disable.
817 case $with_x_toolkit in
818 lucid | athena | motif)
819 # Old toolkits mishandle 'const'.
820 nw="$nw -Wwrite-strings"
823 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
826 AC_SUBST([WERROR_CFLAGS])
828 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
829 nw="$nw -Woverlength-strings" # Not a problem these days
830 nw="$nw -Wlogical-op" # any use of fwrite provokes this
831 nw="$nw -Wformat-nonliteral" # we do this a lot
832 nw="$nw -Wvla" # warnings in gettext.h
833 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
834 nw="$nw -Wswitch-default" # Too many warnings for now
835 nw="$nw -Winline" # OK to ignore 'inline'
836 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
837 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
838 # signed overflow has undefined behavior
839 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
840 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
841 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
843 # Emacs doesn't care about shadowing; see
844 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
847 # Emacs's use of alloca inhibits protecting the stack.
848 nw="$nw -Wstack-protector"
850 # The following line should be removable at some point.
851 nw="$nw -Wsuggest-attribute=pure"
853 # This part is merely for shortening the command line,
854 # since -Wno-FOO needs to be added below regardless.
855 nw="$nw -Wmissing-field-initializers"
857 nw="$nw -Wtype-limits"
858 nw="$nw -Wunused-parameter"
860 if test $emacs_cv_clang = yes; then
861 nw="$nw -Wcast-align"
864 gl_MANYWARN_ALL_GCC([ws])
865 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
869 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
870 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
871 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
872 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
873 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
874 gl_WARN_ADD([-Wno-format-nonliteral])
876 # In spite of excluding -Wlogical-op above, it is enabled, as of
877 # gcc 4.5.0 20090517.
878 gl_WARN_ADD([-Wno-logical-op])
880 # More things that clang is unduly picky about.
881 if test $emacs_cv_clang = yes; then
882 gl_WARN_ADD([-Wno-format-extra-args])
883 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
884 gl_WARN_ADD([-Wno-unused-command-line-argument])
885 gl_WARN_ADD([-Wno-unused-value])
888 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
889 AH_VERBATIM([FORTIFY_SOURCE],
890 [/* Enable compile-time and run-time bounds-checking, and some warnings,
891 without upsetting glibc 2.15+. */
892 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
893 # define _FORTIFY_SOURCE 2
896 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
898 # We use a slightly smaller set of warning options for lib/.
899 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
901 nw="$nw -Wunused-macros"
903 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
904 AC_SUBST([GNULIB_WARN_CFLAGS])
909 dnl Some other nice autoconf tests.
910 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
913 dnl if test "x$RANLIB" = x; then
918 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
919 dnl can be made to directories. This is not relevant for our usage, and
920 dnl excludes some cases that work fine for us. Eg MS Windows or files
921 dnl hosted on AFS, both examples where simple links work, but links to
922 dnl directories fail. We use a cut-down version instead.
925 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
926 rm -f conf$$ conf$$.file
928 LN_S_FILEONLY='cp -p'
930 if (echo >conf$$.file) 2>/dev/null; then
931 if ln -s conf$$.file conf$$ 2>/dev/null; then
932 LN_S_FILEONLY='ln -s'
933 elif ln conf$$.file conf$$ 2>/dev/null; then
938 rm -f conf$$ conf$$.file
940 if test "$LN_S_FILEONLY" = "ln -s"; then
943 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
946 AC_SUBST(LN_S_FILEONLY)
949 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
950 dnl doesn't support links to directories, as in "ln file dir". But that
951 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
952 dnl executables at "make install" time.
953 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
954 dnl for more details.
955 if test "$opsys" = "mingw32"; then
959 AC_PATH_PROG(INSTALL_INFO, install-info, :,
960 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
961 dnl Don't use GZIP, which is used by gzip for additional parameters.
962 AC_PATH_PROG(GZIP_PROG, gzip)
964 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
965 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
967 if test $opsys = gnu-linux; then
968 AC_PATH_PROG(PAXCTL, paxctl,,
969 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
970 if test "X$PAXCTL" != X; then
971 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
972 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
973 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
974 else AC_MSG_RESULT(no); PAXCTL=""; fi])
978 ## Need makeinfo >= 4.7 (?) to build the manuals.
979 AC_PATH_PROG(MAKEINFO, makeinfo, no)
980 dnl By this stage, configure has already checked for egrep and set EGREP,
981 dnl or exited with an error if no egrep was found.
982 if test "$MAKEINFO" != "no"; then
984 $MAKEINFO --version 2> /dev/null |
985 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
991 ## Makeinfo is unusual. For a released Emacs, the manuals are
992 ## pre-built, and not deleted by the normal clean rules. makeinfo is
993 ## therefore in the category of "special tools" not normally required, which
994 ## configure does not have to check for (eg autoconf itself).
995 ## In a Bazaar checkout on the other hand, the manuals are not included.
996 ## So makeinfo is a requirement to build from Bazaar, and configure
997 ## should test for it as it does for any other build requirement.
998 ## We use the presence of $srcdir/info/emacs to distinguish a release,
999 ## with pre-built manuals, from a Bazaar checkout.
1002 if test "$MAKEINFO" = "no"; then
1004 if test "x${with_makeinfo}" = "xno"; then
1006 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1007 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1008 source tree does not seem to have pre-built manuals in the `info' directory.
1009 Either install a suitable version of makeinfo, or re-run configure
1010 with the `--without-makeinfo' option to build without the manuals.] )
1013 AC_SUBST(HAVE_MAKEINFO)
1015 dnl Just so that there is only a single place we need to edit.
1017 INFO_OPTS=--no-split
1021 if test $opsys = mingw32; then
1022 DOCMISC_W32=efaq-w32
1026 AC_SUBST(DOCMISC_W32)
1028 dnl Add our options to ac_link now, after it is set up.
1030 if test x$GCC = xyes; then
1031 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1032 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1034 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1035 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1038 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1039 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1040 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1041 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1042 dnl if not built to support GNU ld.
1044 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1045 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1046 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1047 dnl Eg "make LDFLAGS=... all" could run into problems,
1048 dnl http://bugs.debian.org/684788
1049 dnl * unnecessary, since temacs is the only thing that actually needs it.
1050 dnl Indeed this is where it was originally, prior to:
1051 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1052 late_LDFLAGS="$LDFLAGS"
1053 if test x$GCC = xyes; then
1054 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1056 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1059 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1061 AC_MSG_CHECKING([for -znocombreloc])
1062 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1063 [AC_MSG_RESULT(yes)],
1064 LDFLAGS_NOCOMBRELOC=
1065 [AC_MSG_RESULT(no)])
1067 LDFLAGS="$late_LDFLAGS"
1069 AC_CACHE_CHECK([whether addresses are sanitized],
1070 [emacs_cv_sanitize_address],
1073 [[#ifndef __has_feature
1074 #define __has_feature(f) 0
1076 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1078 #error "Addresses are not sanitized."
1081 [emacs_cv_sanitize_address=yes],
1082 [emacs_cv_sanitize_address=no])])
1084 dnl The function dump-emacs will not be defined and temacs will do
1085 dnl (load "loadup") automatically unless told otherwise.
1086 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1088 your-opsys-here) CANNOT_DUMP=yes ;;
1091 if test "$CANNOT_DUMP" = "yes"; then
1092 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1093 elif test "$emacs_cv_sanitize_address" = yes; then
1094 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1097 AC_SUBST(CANNOT_DUMP)
1100 UNEXEC_OBJ=unexelf.o
1102 # MSDOS uses unexcoff.o
1104 UNEXEC_OBJ=unexaix.o
1110 UNEXEC_OBJ=unexmacosx.o
1113 UNEXEC_OBJ=unexhp9k800.o
1116 UNEXEC_OBJ=unexw32.o
1119 # Use the Solaris dldump() function, called from unexsol.c, to dump
1120 # emacs, instead of the generic ELF dump code found in unexelf.c.
1121 # The resulting binary has a complete symbol table, and is better
1122 # for debugging and other observability tools (debuggers, pstack, etc).
1124 # If you encounter a problem using dldump(), please consider sending
1125 # a message to the OpenSolaris tools-linking mailing list:
1126 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1128 # It is likely that dldump() works with older Solaris too, but this has
1129 # not been tested, so for now this change is for Solaris 10 or newer.
1130 UNEXEC_OBJ=unexsol.o
1137 ## Let `ld' find image libs and similar things in /usr/local/lib.
1138 ## The system compiler, GCC, has apparently been modified to not
1139 ## look there, contrary to what a stock GCC would do.
1140 ### It's not our place to do this. See bug#10313#17.
1141 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1146 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1147 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1151 ### It's not our place to do this. See bug#10313#17.
1152 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1157 ## Han Boetes <han@boetes.org> says this is necessary,
1158 ## otherwise Emacs dumps core on elf systems.
1159 LD_SWITCH_SYSTEM="-Z"
1162 AC_SUBST(LD_SWITCH_SYSTEM)
1164 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1166 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1167 ## which has not been defined yet. When this was handled with cpp,
1168 ## it was expanded to null when configure sourced the s/*.h file.
1169 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1170 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1171 ## (or somesuch), but because it is supposed to go at the _front_
1172 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1173 ## Compare with the gnu-linux case below, which added to the end
1174 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1175 ## LD_SWITCH_SYSTEM_TEMACS.
1178 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1185 AC_CHECK_DECL([__ELF__])
1186 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1187 ## With ELF, make sure that all common symbols get allocated to in the
1188 ## data section. Otherwise, the dump of temacs may miss variables in
1189 ## the shared library that have been initialized. For example, with
1190 ## GNU libc, __malloc_initialized would normally be resolved to the
1191 ## shared library's .bss section, which is fatal.
1192 if test "x$GCC" = "xyes"; then
1193 C_SWITCH_MACHINE="-fno-common"
1195 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1198 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1199 dnl albeit under the mistaken assumption that said file
1200 dnl was no longer used.
1201 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1205 AC_SUBST(C_SWITCH_MACHINE)
1207 AC_SUBST(UNEXEC_OBJ)
1210 ## Some programs in src produce warnings saying certain subprograms
1211 ## are too complex and need a MAXMEM value greater than 2000 for
1212 ## additional optimization. --nils@exp-math.uni-essen.de
1213 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1214 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1215 test "$opsys" = "mingw32" && C_SWITCH_SYSTEM="-mtune=pentium4"
1216 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1217 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1218 AC_SUBST(C_SWITCH_SYSTEM)
1223 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1224 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1226 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1228 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1230 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1232 ## Motif needs -lgen.
1233 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1236 AC_SUBST(LIBS_SYSTEM)
1238 ### Make sure subsequent tests use flags consistent with the build flags.
1240 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1241 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1243 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1246 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C89 or better.
1247 AC_DEFUN([AC_TYPE_SIZE_T])
1248 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1249 AC_DEFUN([AC_TYPE_UID_T])
1253 dnl Current possibilities handled by sed (aix4-2 -> aix,
1254 dnl gnu-linux -> gnu/linux, etc.):
1255 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1256 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1257 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1264 ## Adding -lm confuses the dynamic linker, so omit it.
1267 freebsd | dragonfly )
1268 SYSTEM_TYPE=berkeley-unix
1270 gnu-linux | gnu-kfreebsd )
1272 hpux10-20 | hpux11 )
1276 SYSTEM_TYPE=windows-nt
1278 dnl NB this may be adjusted below.
1280 SYSTEM_TYPE=berkeley-unix
1284 SYSTEM_TYPE=usg-unix-v
1290 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1291 [The type of system you are compiling for; sets `system-type'.])
1294 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1295 pre_PKG_CONFIG_LIBS=$LIBS
1297 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1299 dnl This function definition taken from Gnome 2.0
1300 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1301 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1302 dnl also defines GSTUFF_PKG_ERRORS on error
1303 AC_DEFUN([PKG_CHECK_MODULES], [
1306 if test "$PKG_CONFIG" = "no" ; then
1307 ifelse([$4], , [AC_MSG_ERROR([
1308 *** 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])
1310 PKG_CONFIG_MIN_VERSION=0.9.0
1311 if "$PKG_CONFIG" --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1312 AC_MSG_CHECKING(for $2)
1314 if "$PKG_CONFIG" --exists "$2" 2>&AS_MESSAGE_LOG_FD &&
1315 $1_CFLAGS=`"$PKG_CONFIG" --cflags "$2" 2>&AS_MESSAGE_LOG_FD` &&
1316 $1_LIBS=`"$PKG_CONFIG" --libs "$2" 2>&AS_MESSAGE_LOG_FD`; then
1323 $1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1324 $1_LIBS=`AS_ECHO(["$$1_LIBS"]) | sed -e 's,///*,/,g'`
1325 AC_MSG_RESULT([yes CFLAGS='$$1_CFLAGS' LIBS='$$1_LIBS'])
1331 ## If we have a custom action on failure, don't print errors, but
1332 ## do set a variable so people can do so. Do it in a subshell
1333 ## to capture any diagnostics in invoking pkg-config.
1334 $1_PKG_ERRORS=`("$PKG_CONFIG" --print-errors "$2") 2>&1`
1335 ifelse([$4], ,echo "$$1_PKG_ERRORS",)
1341 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1342 echo "*** See http://www.freedesktop.org/software/pkgconfig"
1346 if test $succeeded = yes; then
1347 ifelse([$3], , :, [$3])
1349 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.])], [$4])
1354 if test "${with_sound}" != "no"; then
1355 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1356 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1357 have_sound_header=yes, [], [
1359 #define WIN32_LEAN_AND_MEAN
1360 #include <windows.h>
1363 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1364 AC_MSG_ERROR([OSS sound support requested but not found.])
1366 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1367 # Emulation library used on NetBSD.
1368 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1369 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1370 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1371 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1372 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1376 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1378 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1379 PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1380 if test $HAVE_ALSA = yes; then
1381 SAVE_CFLAGS="$CFLAGS"
1383 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1384 LIBS="$ALSA_LIBS $LIBS"
1385 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1386 emacs_alsa_normal=yes,
1387 emacs_alsa_normal=no)
1388 if test "$emacs_alsa_normal" != yes; then
1389 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1390 [[snd_lib_error_set_handler (0);]])],
1391 emacs_alsa_subdir=yes,
1392 emacs_alsa_subdir=no)
1393 if test "$emacs_alsa_subdir" != yes; then
1394 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1396 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1399 CFLAGS="$SAVE_CFLAGS"
1401 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1402 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1403 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1404 elif test "${with_sound}" = "alsa"; then
1405 AC_MSG_ERROR([ALSA sound support requested but not found.])
1407 fi dnl with_sound = alsa|yes
1409 dnl Define HAVE_SOUND if we have sound support. We know it works and
1410 dnl compiles only on the specified platforms. For others, it
1411 dnl probably doesn't make sense to try.
1412 dnl FIXME So surely we should bypass this whole section if not using
1413 dnl one of these platforms?
1414 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1416 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1417 dnl Adjust the --with-sound help text if you change this.
1418 gnu-linux|freebsd|netbsd|mingw32)
1419 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1425 AC_SUBST(CFLAGS_SOUND)
1428 dnl checks for header files
1429 AC_CHECK_HEADERS_ONCE(
1433 sys/utsname.h pwd.h utmp.h util.h)
1435 AC_MSG_CHECKING(if personality LINUX32 can be set)
1436 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1437 emacs_cv_personality_linux32=yes,
1438 emacs_cv_personality_linux32=no)
1439 AC_MSG_RESULT($emacs_cv_personality_linux32)
1441 if test $emacs_cv_personality_linux32 = yes; then
1442 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1443 [Define to 1 if personality LINUX32 can be set.])
1446 dnl On Solaris 8 there's a compilation warning for term.h because
1447 dnl it doesn't define `bool'.
1448 AC_CHECK_HEADERS(term.h, , , -)
1450 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1452 if test $ac_cv_have_decl_sys_siglist != yes; then
1453 # For Tru64, at least:
1454 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1459 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1460 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1461 #if HAVE_SYS_SOCKET_H
1462 #include <sys/socket.h>
1464 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1465 #if HAVE_SYS_SOCKET_H
1466 #include <sys/socket.h>
1468 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1469 #if HAVE_SYS_SOCKET_H
1470 #include <sys/socket.h>
1473 dnl checks for structure members
1474 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1475 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1476 struct ifreq.ifr_addr,
1477 struct ifreq.ifr_addr.sa_len], , ,
1478 [AC_INCLUDES_DEFAULT
1479 #if HAVE_SYS_SOCKET_H
1480 #include <sys/socket.h>
1486 dnl Check for endianness.
1487 dnl AC_C_BIGENDIAN is done by gnulib.
1489 dnl check for Make feature
1490 dnl AC_PROG_MAKE_SET is done by Automake.
1495 dnl check for GNU Make if we have GCC and autodepend is on.
1496 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1497 AC_MSG_CHECKING([whether we are using GNU Make])
1499 testval=`${MAKE-make} --version 2>/dev/null | grep 'GNU Make'`
1500 if test "x$testval" != x; then
1503 ac_enable_autodepend=no
1505 AC_MSG_RESULT([$HAVE_GNU_MAKE])
1506 if test $HAVE_GNU_MAKE = yes; then
1507 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1508 SAVE_CFLAGS="$CFLAGS"
1509 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1510 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1511 CFLAGS="$SAVE_CFLAGS"
1512 test -f deps.d || ac_enable_autodepend=no
1514 AC_MSG_RESULT([$ac_enable_autodepend])
1516 if test $ac_enable_autodepend = yes; then
1517 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1518 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1519 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1520 deps_frag=autodeps.mk
1523 deps_frag=$srcdir/src/$deps_frag
1526 AC_SUBST_FILE(deps_frag)
1529 lisp_frag=$srcdir/src/lisp.mk
1530 AC_SUBST_FILE(lisp_frag)
1533 dnl checks for operating system services
1534 AC_SYS_LONG_FILE_NAMES
1536 #### Choose a window system.
1538 ## We leave window_system equal to none if
1539 ## we end up building without one. Any new window system should
1540 ## set window_system to an appropriate value and add objects to
1541 ## window-system-specific substs.
1545 if test "$no_x" != yes; then
1549 LD_SWITCH_X_SITE_RPATH=
1550 if test "${x_libraries}" != NONE; then
1551 if test -n "${x_libraries}"; then
1552 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1553 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1555 x_default_search_path=""
1556 x_search_path=${x_libraries}
1557 if test -z "${x_search_path}"; then
1558 x_search_path=/usr/lib
1560 for x_library in `echo ${x_search_path}: | \
1561 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1563 ${x_library}/X11/%L/%T/%N%C%S:\
1564 ${x_library}/X11/%l/%T/%N%C%S:\
1565 ${x_library}/X11/%T/%N%C%S:\
1566 ${x_library}/X11/%L/%T/%N%S:\
1567 ${x_library}/X11/%l/%T/%N%S:\
1568 ${x_library}/X11/%T/%N%S"
1569 if test x"${x_default_search_path}" = x; then
1570 x_default_search_path=${x_search_path}
1572 x_default_search_path="${x_search_path}:${x_default_search_path}"
1576 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1578 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1579 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1582 if test x"${x_includes}" = x; then
1583 bitmapdir=/usr/include/X11/bitmaps
1585 # accumulate include directories that have X11 bitmap subdirectories
1587 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1588 if test -d "${bmd}/X11/bitmaps"; then
1589 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1591 if test -d "${bmd}/bitmaps"; then
1592 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1595 if test ${bmd_acc} != "dummyval"; then
1596 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1603 tmp_CPPFLAGS="$CPPFLAGS"
1604 tmp_CFLAGS="$CFLAGS"
1605 CPPFLAGS="$CPPFLAGS -x objective-c"
1606 CFLAGS="$CFLAGS -x objective-c"
1609 if test "${with_ns}" != no; then
1610 if test "${opsys}" = darwin; then
1612 ns_appdir=`pwd`/nextstep/Emacs.app
1613 ns_appbindir=${ns_appdir}/Contents/MacOS
1614 ns_appresdir=${ns_appdir}/Contents/Resources
1615 ns_appsrc=Cocoa/Emacs.base
1616 elif test -f $GNUSTEP_CONFIG_FILE; then
1618 ns_appdir=`pwd`/nextstep/Emacs.app
1619 ns_appbindir=${ns_appdir}
1620 ns_appresdir=${ns_appdir}/Resources
1621 ns_appsrc=GNUstep/Emacs.base
1622 dnl FIXME sourcing this several times in subshells seems inefficient.
1623 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1624 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1625 dnl I seemed to need these as well with GNUstep-startup 0.25.
1626 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1627 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1628 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1629 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1630 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1631 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1632 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1633 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1634 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1635 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1636 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1637 dnl If they had chosen to either define it or not, we could have
1638 dnl just used AC_CHECK_DECL here.
1639 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1640 emacs_cv_objc_exceptions,
1641 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1642 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1646 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1647 if test $emacs_cv_objc_exceptions = yes; then
1648 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1649 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1650 [Define if GNUstep uses ObjC exceptions.])
1651 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1655 dnl This is only used while we test the NS headers, it gets reset below.
1656 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1658 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1659 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1660 files are missing or cannot be compiled.])])
1663 if test "${NS_IMPL_COCOA}" = "yes"; then
1664 AC_MSG_CHECKING([for OSX 10.4 or newer])
1665 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1667 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1668 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1671 #error "OSX 10.4 or newer required"
1675 ns_osx_have_104=yes,
1677 AC_MSG_RESULT([$ns_osx_have_104])
1679 if test $ns_osx_have_104 = no; then
1680 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1682 AC_MSG_CHECKING([for OSX 10.5 or newer])
1683 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1685 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1686 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1689 #error "OSX 10.5 not found"
1693 ns_osx_have_105=yes,
1695 AC_MSG_RESULT([$ns_osx_have_105])
1696 if test $ns_osx_have_105 = yes; then
1697 macfont_file="macfont.o"
1700 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1702 ns_have_nsinteger=yes,
1703 ns_have_nsinteger=no)
1704 if test $ns_have_nsinteger = yes; then
1705 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1709 AC_SUBST(LIBS_GNUSTEP)
1711 INSTALL_ARCH_INDEP_EXTRA=install-etc
1712 ns_self_contained=no
1715 if test "${HAVE_NS}" = yes; then
1716 if test "$with_toolkit_scroll_bars" = "no"; then
1717 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1720 window_system=nextstep
1721 # set up packaging dirs
1722 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1723 ns_self_contained=yes
1724 prefix=${ns_appresdir}
1725 exec_prefix=${ns_appbindir}
1726 dnl This one isn't really used, only archlibdir is.
1727 libexecdir="\${ns_appbindir}/libexec"
1728 archlibdir="\${ns_appbindir}/libexec"
1729 etcdocdir="\${ns_appresdir}/etc"
1730 etcdir="\${ns_appresdir}/etc"
1731 dnl FIXME maybe set datarootdir instead.
1732 dnl That would also get applications, icons, man.
1733 infodir="\${ns_appresdir}/info"
1734 mandir="\${ns_appresdir}/man"
1735 lispdir="\${ns_appresdir}/lisp"
1736 INSTALL_ARCH_INDEP_EXTRA=
1739 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1741 CFLAGS="$tmp_CFLAGS"
1742 CPPFLAGS="$tmp_CPPFLAGS"
1743 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1744 AC_SUBST(ns_self_contained)
1746 AC_SUBST(NS_OBJC_OBJ)
1757 if test "${with_w32}" != no; then
1760 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1761 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1762 cannot be found.])])
1765 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1768 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1773 if test "${opsys}" = "mingw32"; then
1774 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1775 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1776 #include <windows.h>
1777 #include <usp10.h>]],
1778 [[PIMAGE_NT_HEADERS pHeader;
1779 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1780 [emacs_cv_w32api=yes
1783 AC_MSG_RESULT($emacs_cv_w32api)
1784 if test "${emacs_cv_w32api}" = "no"; then
1785 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1796 if test "${HAVE_W32}" = "yes"; then
1797 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1798 AC_CHECK_TOOL(WINDRES, [windres],
1799 [AC_MSG_ERROR([No resource compiler found.])])
1800 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1801 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1802 EMACSRES="emacs.res"
1803 case "$canonical" in
1804 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1805 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1807 UPDATE_MANIFEST=update-game-score.exe.manifest
1808 if test "${opsys}" = "cygwin"; then
1809 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1810 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1811 # Tell the linker that emacs.res is an object (which we compile from
1812 # the rc file), not a linker script.
1813 W32_RES_LINK="-Wl,emacs.res"
1815 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1816 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1817 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1818 W32_RES_LINK="\$(EMACSRES)"
1819 CLIENTRES="emacsclient.res"
1820 CLIENTW="emacsclientw\$(EXEEXT)"
1821 FIRSTFILE_OBJ=firstfile.o
1824 LIBS_ECLIENT="-lcomctl32"
1825 LIB_WSOCK32="-lwsock32"
1826 NTLIB="ntlib.$ac_objext"
1827 XARGS_LIMIT="-s 10000"
1833 AC_SUBST(EMACS_MANIFEST)
1834 AC_SUBST(UPDATE_MANIFEST)
1837 AC_SUBST(W32_RES_LINK)
1838 AC_SUBST(FIRSTFILE_OBJ)
1841 AC_SUBST(LIBS_ECLIENT)
1842 AC_SUBST(LIB_WSOCK32)
1844 AC_SUBST(XARGS_LIMIT)
1846 if test "${HAVE_W32}" = "yes"; then
1851 ## $window_system is now set to the window system we will
1854 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1855 # Too many warnings for now.
1857 nw="$nw -Wsuggest-attribute=const"
1858 nw="$nw -Wsuggest-attribute=noreturn"
1859 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1861 gl_WARN_ADD([-Wno-unused-variable])
1862 gl_WARN_ADD([-Wno-unused-but-set-variable])
1863 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1871 case "${window_system}" in
1876 case "${with_x_toolkit}" in
1877 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1878 motif ) USE_X_TOOLKIT=MOTIF ;;
1880 term_header=gtkutil.h
1881 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1882 dnl USE_X_TOOLKIT is set.
1883 USE_X_TOOLKIT=none ;;
1884 gtk2 ) with_gtk2=yes
1885 term_header=gtkutil.h
1886 USE_X_TOOLKIT=none ;;
1887 gtk3 ) with_gtk3=yes
1888 term_header=gtkutil.h
1889 USE_X_TOOLKIT=none ;;
1890 no ) USE_X_TOOLKIT=none ;;
1891 dnl If user did not say whether to use a toolkit, make this decision later:
1892 dnl use the toolkit if we have gtk, or X11R5 or newer.
1893 * ) USE_X_TOOLKIT=maybe ;;
1897 term_header=nsterm.h
1900 term_header=w32term.h
1904 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1905 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1906 if test "$HAVE_XSERVER" = true ||
1907 test -n "$DISPLAY" ||
1908 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1909 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1910 were found. You should install the relevant development files for X
1911 and for the toolkit you want, such as Gtk+, Lesstif or Motif. Also make
1912 sure you have development files for image handling, i.e.
1913 tiff, gif, jpeg, png and xpm.
1914 If you are sure you want Emacs compiled without X window support, pass
1920 # Does the opsystem file prohibit the use of the GNU malloc?
1921 # Assume not, until told otherwise.
1925 [whether malloc is Doug Lea style],
1926 [emacs_cv_var_doug_lea_malloc],
1927 [emacs_cv_var_doug_lea_malloc=no
1928 dnl Hooks do not work with address sanitization.
1929 if test "$emacs_cv_sanitize_address" != yes; then
1932 [[#include <malloc.h>
1933 static void hook (void) {}]],
1934 [[malloc_set_state (malloc_get_state ());
1935 __after_morecore_hook = hook;
1936 __malloc_initialize_hook = hook;]])],
1937 [emacs_cv_var_doug_lea_malloc=yes])])
1939 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
1941 system_malloc=$emacs_cv_sanitize_address
1943 ## darwin ld insists on the use of malloc routines in the System framework.
1944 darwin|sol2-10) system_malloc=yes ;;
1948 if test "${system_malloc}" = "yes"; then
1949 AC_DEFINE([SYSTEM_MALLOC], 1,
1950 [Define to 1 to use the system memory allocator, even if it is not
1954 (The GNU allocators don't work with this system configuration.)"
1957 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
1958 VMLIMIT_OBJ=vm-limit.o
1960 AC_CHECK_HEADERS([sys/vlimit.h])
1961 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
1964 [[extern char data_start[]; char ch;]],
1965 [[return data_start < &ch;]])],
1966 [emacs_cv_data_start=yes],
1967 [emacs_cv_data_start=no])])
1968 if test $emacs_cv_data_start = yes; then
1969 AC_DEFINE([HAVE_DATA_START], 1,
1970 [Define to 1 if data_start is the address of the start
1971 of the main data segment.])
1974 AC_SUBST(GMALLOC_OBJ)
1975 AC_SUBST(VMLIMIT_OBJ)
1977 if test "$doug_lea_malloc" = "yes" ; then
1978 if test "$GNU_MALLOC" = yes ; then
1980 (Using Doug Lea's new malloc from the GNU C Library.)"
1982 AC_DEFINE(DOUG_LEA_MALLOC, 1,
1983 [Define to 1 if the system memory allocator is Doug Lea style,
1984 with malloc hooks and malloc_set_state.])
1986 ## Use mmap directly for allocating larger buffers.
1987 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
1988 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
1989 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
1991 gnu*) REL_ALLOC=no ;;
1995 if test x"${REL_ALLOC}" = x; then
1996 REL_ALLOC=${GNU_MALLOC}
1999 use_mmap_for_buffers=no
2001 cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2005 if test $use_mmap_for_buffers = yes; then
2006 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2010 LIBS="$LIBS_SYSTEM $LIBS"
2012 dnl If found, this adds -ldnet to LIBS, which Autoconf uses for checks.
2013 AC_CHECK_LIB(dnet, dnet_ntoa)
2014 dnl This causes -lresolv to get used in subsequent tests,
2015 dnl which causes failures on some systems such as HPUX 9.
2016 dnl AC_CHECK_LIB(resolv, gethostbyname)
2018 dnl FIXME replace main with a function we actually want from this library.
2019 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2021 dnl Check if pthreads is available.
2023 AC_CHECK_HEADERS_ONCE(pthread.h)
2024 if test "$ac_cv_header_pthread_h"; then
2025 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2026 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2027 dnl testing for pthread_self if Emacs uses gmalloc.c.
2028 if test "$GMALLOC_OBJ" = gmalloc.o; then
2029 emacs_pthread_function=pthread_atfork
2031 emacs_pthread_function=pthread_self
2033 AC_CHECK_LIB(pthread, $emacs_pthread_function, HAVE_PTHREAD=yes)
2035 if test "$HAVE_PTHREAD" = yes; then
2036 case "${canonical}" in
2038 *) LIB_PTHREAD="-lpthread"
2039 LIBS="$LIB_PTHREAD $LIBS" ;;
2041 AC_DEFINE(HAVE_PTHREAD, 1, [Define to 1 if you have pthread (-lpthread).])
2043 AC_SUBST([LIB_PTHREAD])
2045 AC_CHECK_LIB(pthreads, cma_open)
2047 ## Note: when using cpp in s/aix4.2.h, this definition depended on
2048 ## HAVE_LIBPTHREADS. That was not defined earlier in configure when
2049 ## the system file was sourced. Hence the value of LIBS_SYSTEM
2050 ## added to LIBS in configure would never contain the pthreads part,
2051 ## but the value used in Makefiles might. FIXME?
2053 ## -lpthreads seems to be necessary for Xlib in X11R6, and should
2054 ## be harmless on older versions of X where it happens to exist.
2055 test "$opsys" = "aix4-2" && \
2056 test $ac_cv_lib_pthreads_cma_open = yes && \
2057 LIBS_SYSTEM="$LIBS_SYSTEM -lpthreads"
2059 dnl Check for need for bigtoc support on IBM AIX
2063 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2065 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2066 *) gdb_cv_bigtoc=-bbigtoc ;;
2069 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2070 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2075 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
2076 # used for the tests that follow. We set them back to REAL_CFLAGS and
2077 # REAL_CPPFLAGS later on.
2079 REAL_CFLAGS="$CFLAGS"
2080 REAL_CPPFLAGS="$CPPFLAGS"
2082 if test "${HAVE_X11}" = "yes"; then
2083 DEFS="$C_SWITCH_X_SITE $DEFS"
2084 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2086 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2087 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2089 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2090 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2091 # but it's more convenient here to set LD_RUN_PATH since this
2092 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2093 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2094 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2098 if test "${opsys}" = "gnu-linux"; then
2099 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2100 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2101 [[XOpenDisplay ("foo");]])],
2102 [xgnu_linux_first_failure=no],
2103 [xgnu_linux_first_failure=yes])
2104 if test "${xgnu_linux_first_failure}" = "yes"; then
2105 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
2106 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
2107 OLD_CPPFLAGS="$CPPFLAGS"
2109 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2110 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2111 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2112 LIBS="$LIBS -b i486-linuxaout"
2113 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2114 [[XOpenDisplay ("foo");]])],
2115 [xgnu_linux_second_failure=no],
2116 [xgnu_linux_second_failure=yes])
2117 if test "${xgnu_linux_second_failure}" = "yes"; then
2118 # If we get the same failure with -b, there is no use adding -b.
2119 # So take it out. This plays safe.
2120 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
2121 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
2122 CPPFLAGS="$OLD_CPPFLAGS"
2133 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2134 # header files included from there.
2135 AC_MSG_CHECKING(for Xkb)
2136 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2137 #include <X11/XKBlib.h>]],
2138 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2139 emacs_xkb=yes, emacs_xkb=no)
2140 AC_MSG_RESULT($emacs_xkb)
2141 if test $emacs_xkb = yes; then
2142 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2145 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2146 XScreenNumberOfScreen)
2149 if test "${window_system}" = "x11"; then
2150 AC_MSG_CHECKING(X11 version 6)
2151 AC_CACHE_VAL(emacs_cv_x11_version_6,
2152 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2153 [[#if XlibSpecificationRelease < 6
2156 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2157 if test $emacs_cv_x11_version_6 = yes; then
2158 AC_MSG_RESULT(6 or newer)
2159 AC_DEFINE(HAVE_X11R6, 1,
2160 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2161 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2162 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2166 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2167 [Define if you have usable X11R6-style XIM support.])
2171 AC_MSG_RESULT(before 6)
2176 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2178 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2179 if test "${with_rsvg}" != "no"; then
2180 RSVG_REQUIRED=2.11.0
2181 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2183 PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, HAVE_RSVG=yes, :)
2184 AC_SUBST(RSVG_CFLAGS)
2187 if test $HAVE_RSVG = yes; then
2188 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2189 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2190 # Windows loads librsvg dynamically
2191 if test "${opsys}" = "mingw32"; then
2194 LIBS="$RSVG_LIBS $LIBS"
2200 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes"; then
2201 if test "${with_imagemagick}" != "no"; then
2202 ## 6.2.8 is the earliest version known to work, but earlier versions
2203 ## might work - let us know if you find one.
2204 ## 6.0.7 does not work. See bug#7955.
2205 ## 6.8.2 makes Emacs crash; see Bug#13867.
2206 IMAGEMAGICK_MODULE="Wand >= 6.2.8 Wand != 6.8.2"
2207 PKG_CHECK_MODULES(IMAGEMAGICK, $IMAGEMAGICK_MODULE, HAVE_IMAGEMAGICK=yes, :)
2208 AC_SUBST(IMAGEMAGICK_CFLAGS)
2209 AC_SUBST(IMAGEMAGICK_LIBS)
2211 if test $HAVE_IMAGEMAGICK = yes; then
2212 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2213 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2214 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2215 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2223 gtk_term_header=$term_header
2226 if test "${opsys}" != "mingw32"; then
2227 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2230 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2232 dnl Checks for libraries.
2233 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2234 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2235 AC_MSG_ERROR($GTK_PKG_ERRORS)
2237 if test "$pkg_check_gtk" = "yes"; then
2238 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2239 GTK_OBJ=emacsgtkfixed.o
2240 gtk_term_header=gtkutil.h
2241 USE_GTK_TOOLKIT="GTK3"
2242 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2243 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2244 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2245 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2246 [Define to 1 to disable Glib deprecation warnings.])
2250 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2254 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2257 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2259 dnl Checks for libraries.
2260 PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
2261 if test "$pkg_check_gtk" = "no" &&
2262 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2264 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2266 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2270 if test x"$pkg_check_gtk" = xyes; then
2273 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2274 CFLAGS="$CFLAGS $GTK_CFLAGS"
2275 LIBS="$GTK_LIBS $LIBS"
2276 dnl Try to compile a simple GTK program.
2277 AC_MSG_CHECKING([whether GTK compiles])
2281 [[/* Check the Gtk and Glib APIs. */
2282 #include <gtk/gtk.h>
2283 #include <glib-object.h>
2285 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2289 GtkSettings *gs = 0;
2290 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2291 strict C prohibits this. Use gtk_main_iteration to test that the
2292 libraries are there. */
2293 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2294 0, 0, 0, G_CALLBACK (callback), 0))
2295 gtk_main_iteration ();
2298 AC_MSG_RESULT([$GTK_COMPILES])
2299 if test "${GTK_COMPILES}" != "yes"; then
2301 if test "$USE_X_TOOLKIT" != "maybe"; then
2302 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2306 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2307 GTK_OBJ="gtkutil.o $GTK_OBJ"
2308 term_header=$gtk_term_header
2310 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2313 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2314 closing open displays. This is no problem if you just use
2315 one display, but if you use more than one and close one of them
2325 if test "${HAVE_GTK}" = "yes"; then
2327 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2328 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2329 if test "$with_toolkit_scroll_bars" != no; then
2330 with_toolkit_scroll_bars=yes
2333 dnl Check if we have the old file selection dialog declared and
2334 dnl in the link library. In 2.x it may be in the library,
2335 dnl but not declared if deprecated featured has been selected out.
2336 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2337 HAVE_GTK_FILE_SELECTION=no
2338 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2339 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2340 #include <gtk/gtk.h>])
2341 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2342 AC_CHECK_FUNCS(gtk_file_selection_new)
2345 dnl Same as above for gtk_handle_box.
2346 HAVE_GTK_HANDLE_BOX=no
2347 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2348 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2349 #include <gtk/gtk.h>])
2350 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2351 AC_CHECK_FUNCS(gtk_handle_box_new)
2354 dnl Same as above for gtk_tearoff_menu_item.
2355 HAVE_GTK_TEAROFF_MENU_ITEM=no
2356 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2357 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2358 #include <gtk/gtk.h>])
2359 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2360 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2363 dnl Check for functions introduced in 2.14 and later.
2364 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2365 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2366 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2367 gtk_orientable_set_orientation \
2368 gtk_window_set_has_resize_grip)
2370 term_header=gtkutil.h
2373 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2374 dnl other platforms.
2377 if test "${with_dbus}" = "yes"; then
2378 PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
2379 if test "$HAVE_DBUS" = yes; then
2380 LIBS="$LIBS $DBUS_LIBS"
2381 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2382 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2383 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2385 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2386 dbus_type_is_valid \
2387 dbus_validate_bus_name \
2388 dbus_validate_path \
2389 dbus_validate_interface \
2390 dbus_validate_member)
2396 dnl GSettings has been tested under GNU/Linux only.
2398 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2399 PKG_CHECK_MODULES(GSETTINGS, gio-2.0 >= 2.26, HAVE_GSETTINGS=yes, HAVE_GSETTINGS=no)
2400 if test "$HAVE_GSETTINGS" = "yes"; then
2401 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2402 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2403 SETTINGS_LIBS="$GSETTINGS_LIBS"
2407 dnl GConf has been tested under GNU/Linux only.
2408 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2410 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2411 PKG_CHECK_MODULES(GCONF, gconf-2.0 >= 2.13, HAVE_GCONF=yes, HAVE_GCONF=no)
2412 if test "$HAVE_GCONF" = yes; then
2413 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2414 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2415 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2416 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2420 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2421 PKG_CHECK_MODULES(GOBJECT, gobject-2.0 >= 2.0, HAVE_GOBJECT=yes, HAVE_GOBJECT=no)
2422 if test "$HAVE_GOBJECT" = "yes"; then
2423 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2424 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2426 SAVE_CFLAGS="$CFLAGS"
2428 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2429 LIBS="$SETTINGS_LIBS $LIBS"
2430 CFLAGS="$SAVE_CFLAGS"
2433 AC_SUBST(SETTINGS_CFLAGS)
2434 AC_SUBST(SETTINGS_LIBS)
2437 dnl SELinux is available for GNU/Linux only.
2440 if test "${with_selinux}" = "yes"; then
2441 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2442 if test "$HAVE_LIBSELINUX" = yes; then
2443 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2444 LIBSELINUX_LIBS=-lselinux
2447 AC_SUBST(LIBSELINUX_LIBS)
2451 if test "${with_gnutls}" = "yes" ; then
2452 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0], HAVE_GNUTLS3=yes, HAVE_GNUTLS3=no)
2453 if test "${HAVE_GNUTLS3}" = "yes"; then
2454 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2457 PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6], HAVE_GNUTLS=yes, HAVE_GNUTLS=no)
2459 if test "${HAVE_GNUTLS}" = "yes"; then
2460 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2463 # Windows loads GnuTLS dynamically
2464 if test "${opsys}" = "mingw32"; then
2467 CFLAGS="$CFLAGS $LIBGNUTLS_CFLAGS"
2468 LIBS="$LIBGNUTLS_LIBS $LIBS"
2472 AC_SUBST(LIBGNUTLS_LIBS)
2473 AC_SUBST(LIBGNUTLS_CFLAGS)
2478 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2479 dnl a particular library. This doesn't make much sense?
2480 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2481 with_file_notification=no
2484 dnl MS Windows native file monitor is available for mingw32 only.
2485 case $with_file_notification,$opsys in
2486 w32,* | yes,mingw32)
2487 AC_CHECK_HEADER(windows.h)
2488 if test "$ac_cv_header_windows_h" = yes ; then
2489 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2490 NOTIFY_OBJ=w32notify.o
2491 NOTIFY_SUMMARY="yes (w32)"
2495 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2496 dnl has been added in glib 2.24. It has been tested under
2497 dnl GNU/Linux only. We take precedence over inotify, but this makes
2498 dnl only sense when glib has been compiled with inotify support. How
2500 case $with_file_notification,$NOTIFY_OBJ in
2502 PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
2503 if test "$HAVE_GFILENOTIFY" = "yes"; then
2504 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2505 NOTIFY_OBJ=gfilenotify.o
2506 NOTIFY_SUMMARY="yes -lgio (gfile)"
2510 dnl inotify is only available on GNU/Linux.
2511 case $with_file_notification,$NOTIFY_OBJ in
2513 AC_CHECK_HEADER(sys/inotify.h)
2514 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2515 AC_CHECK_FUNC(inotify_init1)
2516 if test "$ac_cv_func_inotify_init1" = yes; then
2517 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2518 NOTIFY_OBJ=inotify.o
2519 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2524 case $with_file_notification,$NOTIFY_OBJ in
2525 yes,* | no,* | *,?*) ;;
2526 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2529 if test -n "$NOTIFY_OBJ"; then
2530 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2532 AC_SUBST(NOTIFY_OBJ)
2533 AC_SUBST(GFILENOTIFY_CFLAGS)
2534 AC_SUBST(GFILENOTIFY_LIBS)
2536 dnl Do not put whitespace before the #include statements below.
2537 dnl Older compilers (eg sunos4 cc) choke on it.
2540 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2541 if test "$with_xaw3d" != no; then
2542 AC_CACHE_VAL(emacs_cv_xaw3d,
2543 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2544 #include <X11/Intrinsic.h>
2545 #include <X11/Xaw3d/Simple.h>]],
2547 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2548 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2549 emacs_cv_xaw3d=no)])
2553 if test $emacs_cv_xaw3d = yes; then
2554 AC_MSG_CHECKING(for xaw3d)
2555 AC_MSG_RESULT([yes; using Lucid toolkit])
2559 AC_DEFINE(HAVE_XAW3D, 1,
2560 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2562 AC_MSG_CHECKING(for xaw3d)
2564 AC_MSG_CHECKING(for libXaw)
2565 AC_CACHE_VAL(emacs_cv_xaw,
2566 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2567 #include <X11/Intrinsic.h>
2568 #include <X11/Xaw/Simple.h>]],
2572 if test $emacs_cv_xaw = yes; then
2573 AC_MSG_RESULT([yes; using Lucid toolkit])
2576 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2577 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2579 AC_MSG_ERROR([No X toolkit could be found.
2580 If you are sure you want Emacs compiled without an X toolkit, pass
2582 to configure. Otherwise, install the development libraries for the toolkit
2583 that you want to use (e.g. Gtk+) and re-run configure.])
2588 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2591 if test "${USE_X_TOOLKIT}" != "none"; then
2592 AC_MSG_CHECKING(X11 toolkit version)
2593 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2594 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2595 [[#if XtSpecificationRelease < 6
2598 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2599 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2600 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2601 AC_MSG_RESULT(6 or newer)
2602 AC_DEFINE(HAVE_X11XTR6, 1,
2603 [Define to 1 if you have the X11R6 or newer version of Xt.])
2604 LIBXTR6="-lSM -lICE"
2606 ## Use libw.a along with X11R6 Xt.
2607 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2610 AC_MSG_RESULT(before 6)
2613 dnl If using toolkit, check whether libXmu.a exists.
2614 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2616 if test x$HAVE_X11XTR6 = xyes; then
2617 LIBS="-lXt -lSM -lICE $LIBS"
2621 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2622 test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2623 dnl ac_cv_lib_Xmu_XmuConvertStandardSelection is also referenced below.
2627 dnl FIXME the logic here seems weird, but this is what cpp was doing.
2628 dnl Why not just test for libxmu in the normal way?
2631 ## These systems don't supply Xmu.
2633 test "X$ac_cv_lib_Xmu_XmuConvertStandardSelection" != "Xyes" && LIBXMU=
2641 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2642 if test "${HAVE_X11}" = "yes"; then
2643 if test "${USE_X_TOOLKIT}" != "none"; then
2644 AC_CHECK_LIB(Xext, XShapeQueryExtension)
2649 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2650 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2651 if test -d /usr/include/openmotif; then
2652 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2653 emacs_cv_openmotif=yes
2654 case "$canonical" in
2655 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2656 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2659 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2662 emacs_cv_openmotif=no
2664 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2665 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2666 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2669 Motif version prior to 2.1.
2671 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2672 if test $emacs_cv_motif_version_2_1 = yes; then
2673 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2674 if test x$emacs_cv_openmotif = xyes; then
2675 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2678 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2679 # We put this in CFLAGS temporarily to precede other -I options
2680 # that might be in CFLAGS temporarily.
2681 # We put this in CPPFLAGS where it precedes the other -I options.
2682 OLD_CPPFLAGS=$CPPFLAGS
2684 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2685 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2686 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2688 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2689 if test $emacs_cv_lesstif = yes; then
2690 # Make sure this -I option remains in CPPFLAGS after it is set
2691 # back to REAL_CPPFLAGS.
2692 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2693 # have those other -I options anyway. Ultimately, having this
2694 # directory ultimately in CPPFLAGS will be enough.
2695 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2696 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2699 CPPFLAGS=$OLD_CPPFLAGS
2702 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2703 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2706 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2707 dnl using Motif or Xaw3d is available, and unless
2708 dnl --with-toolkit-scroll-bars=no was specified.
2710 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2711 [Define to 1 if we should use toolkit scroll bars.])dnl
2712 USE_TOOLKIT_SCROLL_BARS=no
2713 if test "${with_toolkit_scroll_bars}" != "no"; then
2714 if test "${USE_X_TOOLKIT}" != "none"; then
2715 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2716 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2718 USE_TOOLKIT_SCROLL_BARS=yes
2719 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2720 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2721 USE_TOOLKIT_SCROLL_BARS=yes
2723 elif test "${HAVE_GTK}" = "yes"; then
2724 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2725 USE_TOOLKIT_SCROLL_BARS=yes
2726 elif test "${HAVE_NS}" = "yes"; then
2727 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2728 USE_TOOLKIT_SCROLL_BARS=yes
2729 elif test "${HAVE_W32}" = "yes"; then
2730 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2731 USE_TOOLKIT_SCROLL_BARS=yes
2735 dnl See if XIM is available.
2736 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2737 #include <X11/Xlib.h>
2738 #include <X11/Xresource.h>]],
2739 [[XIMProc callback;]])],
2741 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2744 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2746 if test "${with_xim}" != "no"; then
2747 AC_DEFINE(USE_XIM, 1,
2748 [Define to 1 if we should use XIM, if it is available.])
2752 if test "${HAVE_XIM}" != "no"; then
2754 if test "$GCC" = yes; then
2755 CFLAGS="$CFLAGS --pedantic-errors"
2757 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2758 #include <X11/Xlib.h>
2759 #include <X11/Xresource.h>]],
2765 XPointer *client_data;
2767 /* If we're not using GCC, it's probably not XFree86, and this is
2768 probably right, but we can't use something like --pedantic-errors. */
2769 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2770 char*, XIMProc, XPointer*);
2772 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2774 [emacs_cv_arg6_star=yes])
2775 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2776 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2777 either XPointer or XPointer*.])dnl
2778 if test "$emacs_cv_arg6_star" = yes; then
2779 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2781 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2786 ### Start of font-backend (under any platform) section.
2787 # (nothing here yet -- this is a placeholder)
2788 ### End of font-backend (under any platform) section.
2790 ### Start of font-backend (under X11) section.
2791 if test "${HAVE_X11}" = "yes"; then
2792 PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
2794 ## Use -lXft if available, unless `--with-xft=no'.
2796 if test "${HAVE_FC}" = "no" || test "x${with_x}" = "xno"; then
2799 if test "x${with_xft}" != "xno"; then
2801 PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
2802 ## Because xftfont.c uses XRenderQueryExtension, we also
2803 ## need to link to -lXrender.
2805 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2806 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2807 OLD_CPPFLAGS="$CPPFLAGS"
2808 OLD_CFLAGS="$CFLAGS"
2810 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2811 CFLAGS="$CFLAGS $XFT_CFLAGS"
2812 XFT_LIBS="-lXrender $XFT_LIBS"
2813 LIBS="$XFT_LIBS $LIBS"
2814 AC_CHECK_HEADER(X11/Xft/Xft.h,
2815 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2816 [[#include <X11/X.h>]])
2818 if test "${HAVE_XFT}" = "yes"; then
2819 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2821 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2823 CPPFLAGS="$OLD_CPPFLAGS"
2824 CFLAGS="$OLD_CFLAGS"
2826 fi # "${HAVE_XFT}" = "yes"
2827 fi # "$HAVE_XFT" != no
2828 fi # "x${with_xft}" != "xno"
2830 ## We used to allow building with FreeType and without Xft.
2831 ## However, the ftx font backend driver is not in good shape.
2832 if test "$HAVE_XFT" != "yes"; then
2833 dnl For the "Does Emacs use" message at the end.
2837 dnl Strict linkers fail with
2838 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2839 dnl if -lfreetype is not specified.
2840 dnl The following is needed to set FREETYPE_LIBS.
2841 PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes,
2844 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2848 if test "${HAVE_FREETYPE}" = "yes"; then
2849 AC_DEFINE(HAVE_FREETYPE, 1,
2850 [Define to 1 if using the freetype and fontconfig libraries.])
2851 if test "${with_libotf}" != "no"; then
2852 PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2854 if test "$HAVE_LIBOTF" = "yes"; then
2855 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2856 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2857 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2858 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2859 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2860 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2861 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2865 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2866 dnl Does the new font backend require it, or can it work without it?
2870 if test "${HAVE_LIBOTF}" = yes; then
2871 if test "${with_m17n_flt}" != "no"; then
2872 PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2873 if test "$HAVE_M17N_FLT" = "yes"; then
2874 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2885 ### End of font-backend (under X11) section.
2887 AC_SUBST(FREETYPE_CFLAGS)
2888 AC_SUBST(FREETYPE_LIBS)
2889 AC_SUBST(FONTCONFIG_CFLAGS)
2890 AC_SUBST(FONTCONFIG_LIBS)
2891 AC_SUBST(LIBOTF_CFLAGS)
2892 AC_SUBST(LIBOTF_LIBS)
2893 AC_SUBST(M17N_FLT_CFLAGS)
2894 AC_SUBST(M17N_FLT_LIBS)
2896 ### Use -lXpm if available, unless `--with-xpm=no'.
2897 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2900 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2901 if test "${with_xpm}" != "no"; then
2902 SAVE_CPPFLAGS="$CPPFLAGS"
2903 SAVE_LDFLAGS="$LDFLAGS"
2904 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2905 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2906 AC_CHECK_HEADER(X11/xpm.h,
2907 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2908 if test "${HAVE_XPM}" = "yes"; then
2909 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2910 AC_EGREP_CPP(no_return_alloc_pixels,
2911 [#include "X11/xpm.h"
2912 #ifndef XpmReturnAllocPixels
2913 no_return_alloc_pixels
2915 ], HAVE_XPM=no, HAVE_XPM=yes)
2917 if test "${HAVE_XPM}" = "yes"; then
2918 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
2922 CPPFLAGS="$SAVE_CPPFLAGS"
2923 LDFLAGS="$SAVE_LDFLAGS"
2928 if test "${HAVE_XPM}" = "yes"; then
2929 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2934 if test "${HAVE_X11}" = "yes"; then
2935 if test "${with_xpm}" != "no"; then
2936 AC_CHECK_HEADER(X11/xpm.h,
2937 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2938 if test "${HAVE_XPM}" = "yes"; then
2939 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2940 AC_EGREP_CPP(no_return_alloc_pixels,
2941 [#include "X11/xpm.h"
2942 #ifndef XpmReturnAllocPixels
2943 no_return_alloc_pixels
2945 ], HAVE_XPM=no, HAVE_XPM=yes)
2947 if test "${HAVE_XPM}" = "yes"; then
2955 if test "${HAVE_XPM}" = "yes"; then
2956 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2961 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
2962 ### slightly different requirements wrt image libraries (it doesn't
2963 ### use -lXpm because it loads the xpm shared library dynamically at
2965 if test "${opsys}" = "mingw32"; then
2966 if test "${with_xpm}" != "no"; then
2967 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
2971 if test "${HAVE_XPM}" = "yes"; then
2972 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
2978 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2979 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
2982 if test "${opsys}" = "mingw32"; then
2983 if test "${with_jpeg}" != "no"; then
2984 dnl Checking for jpeglib.h can lose because of a redefinition of
2986 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
2988 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2989 if test "${HAVE_JPEG}" = "yes"; then
2990 AC_DEFINE(HAVE_JPEG)
2991 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2992 [#include <jpeglib.h>
2993 version=JPEG_LIB_VERSION
2995 [AC_DEFINE(HAVE_JPEG)],
2996 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2999 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3000 if test "${with_jpeg}" != "no"; then
3001 dnl Checking for jpeglib.h can lose because of a redefinition of
3003 AC_CHECK_HEADER(jerror.h,
3004 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3007 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3008 if test "${HAVE_JPEG}" = "yes"; then
3009 AC_DEFINE(HAVE_JPEG)
3010 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3011 [#include <jpeglib.h>
3012 version=JPEG_LIB_VERSION
3014 [AC_DEFINE(HAVE_JPEG)],
3015 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3018 if test "${HAVE_JPEG}" = "yes"; then
3024 ### Use -lpng if available, unless `--with-png=no'.
3025 ### mingw32 doesn't use -lpng, since it loads the library dynamically.
3028 if test "${opsys}" = "mingw32"; then
3029 if test "${with_png}" != "no"; then
3030 AC_CHECK_HEADER(png.h, HAVE_PNG=yes, HAVE_PNG=no)
3032 if test "${HAVE_PNG}" = "yes"; then
3033 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3035 AC_CHECK_DECL(png_longjmp,
3037 [AC_DEFINE(PNG_DEPSTRUCT, [],
3038 [Define to empty to suppress deprecation warnings when building
3039 with --enable-gcc-warnings and with libpng versions before 1.5,
3040 which lack png_longjmp.])],
3041 [[#ifdef HAVE_LIBPNG_PNG_H
3042 # include <libpng/png.h>
3048 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3049 if test "${with_png}" != "no"; then
3050 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3051 # in /usr/include/libpng.
3052 AC_CHECK_HEADERS(png.h libpng/png.h, break)
3053 if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
3054 AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
3058 if test "${HAVE_PNG}" = "yes"; then
3059 AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
3060 LIBPNG="-lpng -lz -lm"
3062 AC_CHECK_DECL(png_longjmp,
3064 [AC_DEFINE(PNG_DEPSTRUCT, [],
3065 [Define to empty to suppress deprecation warnings when building
3066 with --enable-gcc-warnings and with libpng versions before 1.5,
3067 which lack png_longjmp.])],
3068 [[#ifdef HAVE_LIBPNG_PNG_H
3069 # include <libpng/png.h>
3080 if test "${with_zlib}" != "no"; then
3082 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3084 case $ac_cv_search_inflateEnd in
3085 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3088 if test "${HAVE_ZLIB}" = "yes"; then
3089 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3090 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3091 if test "${opsys}" = "mingw32"; then
3098 ### Use -ltiff if available, unless `--with-tiff=no'.
3099 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3102 if test "${opsys}" = "mingw32"; then
3103 if test "${with_tiff}" != "no"; then
3104 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3106 if test "${HAVE_TIFF}" = "yes"; then
3107 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3109 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3110 if test "${with_tiff}" != "no"; then
3111 AC_CHECK_HEADER(tiffio.h,
3113 # At least one tiff package requires the jpeg library.
3114 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3115 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3118 if test "${HAVE_TIFF}" = "yes"; then
3119 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3120 dnl FIXME -lz -lm, as per libpng?
3126 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3127 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3130 if test "${opsys}" = "mingw32"; then
3131 if test "${with_gif}" != "no"; then
3132 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3134 if test "${HAVE_GIF}" = "yes"; then
3135 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3137 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3138 || test "${HAVE_W32}" = "yes"; then
3139 AC_CHECK_HEADER(gif_lib.h,
3140 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3141 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3142 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3143 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3145 if test "$HAVE_GIF" = yes; then
3147 elif test "$HAVE_GIF" = maybe; then
3148 # If gif_lib.h but no libgif, try libungif.
3149 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3150 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3153 if test "${HAVE_GIF}" = "yes"; then
3154 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3159 dnl Check for required libraries.
3160 if test "${HAVE_X11}" = "yes"; then
3163 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3164 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3165 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3166 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3167 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3168 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3169 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3170 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3171 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3172 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3174 if test "X${MISSING}" != X; then
3175 AC_MSG_ERROR([The following required libraries were not found:
3177 Maybe some development libraries/packages are missing?
3178 If you don't want to link with them give
3180 as options to configure])
3184 ### Use -lgpm if available, unless `--with-gpm=no'.
3187 if test "${with_gpm}" != "no"; then
3188 AC_CHECK_HEADER(gpm.h,
3189 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3191 if test "${HAVE_GPM}" = "yes"; then
3192 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3198 dnl Check for malloc/malloc.h on darwin
3199 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3202 ### Use NeXTstep API to implement GUI.
3203 if test "${HAVE_NS}" = "yes"; then
3204 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3205 if test "${NS_IMPL_COCOA}" = "yes"; then
3206 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3208 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3209 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3210 # See also .m.o rule in Makefile.in */
3211 # FIXME: are all these flags really needed? Document here why. */
3212 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3213 ## Extra CFLAGS applied to src/*.m files.
3214 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3219 ### Use session management (-lSM -lICE) if available
3222 if test "${HAVE_X11}" = "yes"; then
3223 AC_CHECK_HEADER(X11/SM/SMlib.h,
3224 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3226 if test "${HAVE_X_SM}" = "yes"; then
3227 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3231 *) LIBS="$LIBXSM $LIBS" ;;
3237 ### Use XRandr (-lXrandr) if available
3239 if test "${HAVE_X11}" = "yes"; then
3240 XRANDR_REQUIRED=1.2.2
3241 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3242 PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
3243 if test $HAVE_XRANDR = no; then
3244 # Test old way in case pkg-config doesn't have it (older machines).
3245 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3246 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3247 if test $HAVE_XRANDR = yes; then
3248 XRANDR_LIBS=-lXrandr
3249 AC_SUBST(XRANDR_LIBS)
3252 if test $HAVE_XRANDR = yes; then
3253 SAVE_CFLAGS="$CFLAGS"
3255 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3256 LIBS="$XRANDR_LIBS $LIBS"
3257 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3258 CFLAGS="$SAVE_CFLAGS"
3261 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3265 ### Use Xinerama (-lXinerama) if available
3267 if test "${HAVE_X11}" = "yes"; then
3268 XINERAMA_REQUIRED=1.0.2
3269 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3270 PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
3272 if test $HAVE_XINERAMA = no; then
3273 # Test old way in case pkg-config doesn't have it (older machines).
3274 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3275 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3276 if test $HAVE_XINERAMA = yes; then
3277 XINERAMA_LIBS=-lXinerama
3278 AC_SUBST(XINERAMA_LIBS)
3281 if test $HAVE_XINERAMA = yes; then
3282 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3287 ### Use libxml (-lxml2) if available
3288 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3290 if test "${with_xml2}" != "no"; then
3291 ### I'm not sure what the version number should be, so I just guessed.
3292 PKG_CHECK_MODULES(LIBXML2, libxml-2.0 > 2.6.17, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3293 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3294 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3295 SAVE_CPPFLAGS="$CPPFLAGS"
3296 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3297 AC_CHECK_HEADER(libxml/HTMLparser.h,
3298 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3299 [#include <libxml/HTMLparser.h>])])
3300 CPPFLAGS="$SAVE_CPPFLAGS"
3301 if test "${HAVE_LIBXML2}" = "yes"; then
3302 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3303 LIBXML2_LIBS="-lxml2"
3306 if test "${HAVE_LIBXML2}" = "yes"; then
3307 if test "${opsys}" != "mingw32"; then
3308 LIBS="$LIBXML2_LIBS $LIBS"
3309 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no)
3313 if test "${HAVE_LIBXML2}" = "yes"; then
3314 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3321 AC_SUBST(LIBXML2_LIBS)
3322 AC_SUBST(LIBXML2_CFLAGS)
3324 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3325 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3326 if test "${opsys}" = "mingw32"; then
3327 emacs_cv_netdb_declares_h_errno=yes
3329 AC_CACHE_CHECK(whether netdb declares h_errno,
3330 emacs_cv_netdb_declares_h_errno,
3331 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3332 [[return h_errno;]])],
3333 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3334 if test $emacs_cv_netdb_declares_h_errno = yes; then
3335 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3338 # sqrt and other floating-point functions such as fmod and frexp
3339 # are found in -lm on most systems, but mingw32 doesn't use -lm.
3340 if test "${opsys}" != "mingw32"; then
3341 AC_CHECK_LIB(m, sqrt)
3344 # Check for mail-locking functions in a "mail" library. Probably this should
3345 # have the same check as for liblockfile below.
3346 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3347 if test $have_mail = yes; then
3349 LIBS="$LIBS_MAIL $LIBS"
3350 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3354 dnl Debian, at least:
3355 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3356 if test $have_lockfile = yes; then
3357 LIBS_MAIL=-llockfile
3358 LIBS="$LIBS_MAIL $LIBS"
3359 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3361 # If we have the shared liblockfile, assume we must use it for mail
3362 # locking (e.g. Debian). If we couldn't link against liblockfile
3363 # (no liblockfile.a installed), ensure that we don't need to.
3364 dnl This works for files generally, not just executables.
3365 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3366 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3367 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3368 if test $ac_cv_prog_liblockfile = yes; then
3369 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3370 This probably means that movemail could lose mail.
3371 There may be a `development' package to install containing liblockfile.])
3374 AC_CHECK_HEADERS_ONCE(maillock.h)
3377 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3378 ## interlock access to the mail spool. The alternative is a lock file named
3379 ## /usr/spool/mail/$USER.lock.
3382 aix4-2) mail_lock="lockf" ;;
3384 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3386 ## On GNU/Linux systems, both methods are used by various mail programs.
3387 ## I assume most people are using newer mailers that have heard of flock.
3388 ## Change this if you need to.
3389 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3390 ## configure gets the right answers, and that means *NOT* using flock.
3391 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3392 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3393 ## Debian maintainer hasn't provided a clean fix for Emacs.
3394 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3395 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3396 ## correct logic. -- fx
3397 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3398 ## liblockfile is a Free Software replacement for libmail, used on
3399 ## Debian systems and elsewhere. -rfr.
3402 if test $have_mail = yes || test $have_lockfile = yes; then
3403 test $ac_cv_header_maillock_h = yes && mail_lock=no
3408 mail_lock="none-needed" ;;
3412 case "$mail_lock" in
3413 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3415 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3419 *) BLESSMAIL_TARGET="need-blessmail" ;;
3421 AC_SUBST(BLESSMAIL_TARGET)
3424 AC_CHECK_FUNCS(accept4 gethostname \
3425 getrusage get_current_dir_name \
3427 select getpagesize setlocale \
3428 getrlimit setrlimit shutdown getaddrinfo \
3429 strsignal setitimer \
3430 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3431 gai_strerror getline getdelim sync \
3433 getpwent endpwent getgrent endgrent \
3435 cfmakeraw cfsetspeed copysign __executable_start log2)
3437 dnl No need to check for aligned_alloc and posix_memalign if using
3438 dnl gmalloc.o, as it supplies them. Don't use these functions on
3439 dnl Darwin as they are incompatible with unexmacosx.c.
3440 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3441 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3444 ## Eric Backus <ericb@lsid.hp.com> says, HP-UX 9.x on HP 700 machines
3445 ## has a broken `rint' in some library versions including math library
3446 ## version number A.09.05.
3447 ## You can fix the math library by installing patch number PHSS_4630.
3448 ## But we can fix it more reliably for Emacs by just not using rint.
3449 ## We also skip HAVE_RANDOM - see comments in src/conf_post.h.
3452 *) AC_CHECK_FUNCS(random rint) ;;
3455 dnl Cannot use AC_CHECK_FUNCS
3456 AC_CACHE_CHECK([for __builtin_unwind_init],
3457 emacs_cv_func___builtin_unwind_init,
3458 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3459 emacs_cv_func___builtin_unwind_init=yes,
3460 emacs_cv_func___builtin_unwind_init=no)])
3461 if test $emacs_cv_func___builtin_unwind_init = yes; then
3462 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3463 [Define to 1 if you have the `__builtin_unwind_init' function.])
3466 AC_CHECK_HEADERS_ONCE(sys/un.h)
3471 AC_CHECK_FUNCS(grantpt)
3473 # PTY-related GNU extensions.
3474 AC_CHECK_FUNCS(getpt posix_openpt)
3476 # Check this now, so that we will NOT find the above functions in ncurses.
3477 # That is because we have not set up to link ncurses in lib-src.
3478 # It's better to believe a function is not available
3479 # than to expect to find it in ncurses.
3480 # Also we need tputs and friends to be able to build at all.
3481 AC_MSG_CHECKING([for library containing tputs])
3482 # Run a test program that contains a call to tputs, a call that is
3483 # never executed. This tests whether a pre-'main' dynamic linker
3484 # works with the library. It's too much trouble to actually call
3485 # tputs in the test program, due to portability hassles. When
3486 # cross-compiling, assume the test program will run if it links.
3487 AC_DEFUN([tputs_link_source], [
3489 [[extern void tputs (const char *, int, int (*)(int));
3490 int main (int argc, char **argv)
3493 tputs (argv[0], 0, 0);
3497 if test "${opsys}" = "mingw32"; then
3500 # Maybe curses should be tried earlier?
3501 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3502 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3504 if test -z "$tputs_library"; then
3508 LIBS_TERMCAP=-l$tputs_library
3510 LIBS="$LIBS_TERMCAP $LIBS"
3512 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3513 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3515 if test "X$msg" != Xno; then
3520 AC_MSG_RESULT([$msg])
3521 if test "X$msg" = Xno; then
3522 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3523 The following libraries were tried (in order):
3524 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3525 Please try installing whichever of these libraries is most appropriate
3526 for your system, together with its header files.
3527 For example, a libncurses-dev(el) or similar package.])
3530 ## Use termcap instead of terminfo?
3531 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3533 ## FIXME? In the cases below where we unconditionally set
3534 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3535 ## if that was found above to have tputs.
3536 ## Should we use the gnu* logic everywhere?
3538 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3539 ## The ncurses library has been moved out of the System framework in
3540 ## Mac OS X 10.2. So if configure detects it, set the command-line
3541 ## option to use it.
3542 darwin) LIBS_TERMCAP="-lncurses" ;;
3544 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3547 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3548 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3549 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3550 [[#if __FreeBSD_version < 400000
3553 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3555 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3557 if test $emacs_cv_freebsd_terminfo = yes; then
3558 LIBS_TERMCAP="-lncurses"
3561 LIBS_TERMCAP="-ltermcap"
3571 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3573 LIBS_TERMCAP="-ltermcap"
3577 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3579 ## hpux: Make sure we get select from libc rather than from libcurses
3580 ## because libcurses on HPUX 10.10 has a broken version of select.
3581 ## We used to use -lc -lcurses, but this may be cleaner.
3582 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3583 # set that way, now it uses the default). Isn't this a contradiction?
3584 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3588 TERMCAP_OBJ=tparam.o
3589 if test $TERMINFO = yes; then
3590 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3591 TERMCAP_OBJ=terminfo.o
3593 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3594 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3596 AC_SUBST(LIBS_TERMCAP)
3597 AC_SUBST(TERMCAP_OBJ)
3600 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3601 # On Darwin, res_init appears not to be useful: see bug#562 and
3602 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3605 if test $opsys != darwin; then
3607 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3608 #include <arpa/nameser.h>
3609 #include <resolv.h>]],
3610 [[return res_init();]])],
3611 have_res_init=yes, have_res_init=no)
3612 if test "$have_res_init" = no; then
3614 LIBS="$LIBS -lresolv"
3615 AC_MSG_CHECKING(for res_init with -lresolv)
3616 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3617 #include <arpa/nameser.h>
3618 #include <resolv.h>]],
3619 [[return res_init();]])],
3620 have_res_init=yes, have_res_init=no)
3621 AC_MSG_RESULT($have_res_init)
3622 if test "$have_res_init" = yes ; then
3628 if test "$have_res_init" = yes; then
3629 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3633 # Do we need the Hesiod library to provide the support routines?
3634 dnl FIXME? Should we be skipping this on Darwin too?
3636 if test "$with_hesiod" != no ; then
3637 # Don't set $LIBS here -- see comments above. FIXME which comments?
3638 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3639 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3640 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3641 if test "$resolv" = yes ; then
3646 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3647 hesiod=yes, :, $RESOLVLIB)])
3649 if test x"$hesiod" = xyes; then
3655 # Do we need libresolv (due to res_init or Hesiod)?
3656 if test "$resolv" = yes && test $opsys != darwin; then
3663 # These tell us which Kerberos-related libraries to use.
3670 if test "${with_kerberos}" != no; then
3671 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3672 if test $have_com_err = yes; then
3673 COM_ERRLIB=-lcom_err
3674 LIBS="$COM_ERRLIB $LIBS"
3676 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3677 if test $have_crypto = yes; then
3679 LIBS="$CRYPTOLIB $LIBS"
3681 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3682 if test $have_k5crypto = yes; then
3683 CRYPTOLIB=-lk5crypto
3684 LIBS="$CRYPTOLIB $LIBS"
3686 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3687 if test $have_krb5=yes; then
3689 LIBS="$KRB5LIB $LIBS"
3691 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3692 if test "${with_kerberos5}" = no; then
3693 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3694 if test $have_des425 = yes; then
3696 LIBS="$DESLIB $LIBS"
3698 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3699 if test $have_des = yes; then
3701 LIBS="$DESLIB $LIBS"
3704 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3705 if test $have_krb4 = yes; then
3707 LIBS="$KRB4LIB $LIBS"
3709 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3710 if test $have_krb = yes; then
3712 LIBS="$KRB4LIB $LIBS"
3717 if test "${with_kerberos5}" != no; then
3718 AC_CHECK_HEADERS(krb5.h,
3719 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3720 [#include <krb5.h>])])
3722 AC_CHECK_HEADERS(krb.h,,
3723 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3724 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3726 AC_CHECK_HEADERS(com_err.h)
3729 AC_SUBST(COM_ERRLIB)
3735 AC_CHECK_HEADERS(valgrind/valgrind.h)
3737 AC_CHECK_FUNCS_ONCE(tzset)
3738 AC_MSG_CHECKING(whether localtime caches TZ)
3739 AC_CACHE_VAL(emacs_cv_localtime_cache,
3740 [if test x$ac_cv_func_tzset = xyes; then
3741 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3742 char TZ_GMT0[] = "TZ=GMT0";
3743 char TZ_PST8[] = "TZ=PST8";
3746 time_t now = time ((time_t *) 0);
3747 int hour_GMT0, hour_unset;
3748 if (putenv (TZ_GMT0) != 0)
3750 hour_GMT0 = localtime (&now)->tm_hour;
3752 hour_unset = localtime (&now)->tm_hour;
3753 if (putenv (TZ_PST8) != 0)
3755 if (localtime (&now)->tm_hour == hour_GMT0)
3758 if (localtime (&now)->tm_hour != hour_unset)
3761 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3762 [# If we have tzset, assume the worst when cross-compiling.
3763 emacs_cv_localtime_cache=yes])
3765 # If we lack tzset, report that localtime does not cache TZ,
3766 # since we can't invalidate the cache if we don't have tzset.
3767 emacs_cv_localtime_cache=no
3769 AC_MSG_RESULT($emacs_cv_localtime_cache)
3770 if test $emacs_cv_localtime_cache = yes; then
3771 AC_DEFINE(LOCALTIME_CACHE, 1,
3772 [Define to 1 if localtime caches TZ.])
3776 AC_CHECK_FUNC(socket, , ok_so_far=no)
3777 if test $ok_so_far = yes; then
3778 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3780 if test $ok_so_far = yes; then
3781 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3783 if test $ok_so_far = yes; then
3784 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3785 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3786 [Define to 1 if you have inet sockets.])
3789 dnl Check for a Solaris 2.4 vfork bug that Autoconf misses (through 2.69).
3790 dnl This can be removed once we assume Autoconf 2.70.
3792 *-solaris2.4 | *-solaris2.4.*)
3793 dnl Disable the Autoconf-generated vfork test.
3794 : ${ac_cv_func_vfork_works=no};;
3799 AC_CHECK_FUNCS(snprintf)
3801 dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
3804 AC_MSG_CHECKING([whether GLib is linked in])
3805 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3808 [[g_print ("Hello world");]])],
3811 AC_MSG_RESULT([$links_glib])
3812 if test "${links_glib}" = "yes"; then
3813 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3814 if test "$HAVE_NS" = no;then
3820 dnl Adapted from Haible's version.
3821 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3822 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3823 [[char* cs = nl_langinfo(CODESET);]])],
3824 emacs_cv_langinfo_codeset=yes,
3825 emacs_cv_langinfo_codeset=no)
3827 if test $emacs_cv_langinfo_codeset = yes; then
3828 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3829 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3834 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3835 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3836 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3837 if test "$emacs_cv_c_restrict_arr" = yes; then
3838 AC_DEFINE(__restrict_arr, __restrict,
3839 [Define to compiler's equivalent of C99 restrict keyword in array
3840 declarations. Define as empty for no equivalent.])
3843 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3844 dnl how the tty code is related to POSIX and/or other versions of termios.
3845 dnl The following looks like a useful start.
3847 dnl AC_SYS_POSIX_TERMIOS
3848 dnl if test $ac_cv_sys_posix_termios = yes; then
3849 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3850 dnl and macros for terminal control.])
3851 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3854 dnl Turned on June 1996 supposing nobody will mind it.
3855 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3856 if test "${opsys}" != "mingw32"; then
3857 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3858 in the full name stands for the login id.])
3861 dnl Every platform that uses configure supports this.
3862 dnl There is a create-lockfiles option you can
3863 dnl customize if you do not want the lock files to be written.
3864 dnl So it is not clear that this #define still needs to exist.
3865 AC_DEFINE(CLASH_DETECTION, 1, [Define if you want lock files to be written,
3866 so that Emacs can tell instantly when you try to modify a file that
3867 someone else has modified in his/her Emacs.])
3869 dnl Everybody supports this, except MS.
3870 dnl Seems like the kind of thing we should be testing for, though.
3871 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3872 if test "${opsys}" != "mingw32"; then
3873 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3876 dnl Everybody supports this, except MS-DOS.
3877 dnl Seems like the kind of thing we should be testing for, though.
3878 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3879 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3880 4.2-compatible sockets.])
3882 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3884 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3885 a null file, or a data sink.])
3886 if test "${opsys}" = "mingw32"; then
3887 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3889 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3892 if test "${opsys}" = "mingw32"; then
3897 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
3898 dnl This is for MinGW, and is used in test/automated/Makefile.in.
3899 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
3900 dnl decides that a command-line argument to be passed to a MinGW program
3901 dnl is a PATH-style list of directories. But that heuristics plays it
3902 dnl safe, and only does the replacement when it is _absolutely_ sure it
3903 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
3904 dnl which breaks in-tree builds. So we do this manually instead.
3905 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
3906 dnl be computed as ':' in MSYS Bash.
3909 dnl Everybody supports this, except MS-DOS.
3910 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
3912 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
3915 AC_DEFINE(DIRECTORY_SEP, ['/'],
3916 [Character that separates directories in a file name.])
3918 if test "${opsys}" = "mingw32"; then
3919 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
3920 [Returns true if character is a device separator.])
3922 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
3923 [Returns true if character is a directory separator.])
3925 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
3926 [Returns true if character is any form of separator.])
3928 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
3929 [Returns true if character is a device separator.])
3931 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
3932 [Returns true if character is a directory separator.])
3934 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
3935 [Returns true if character is any form of separator.])
3938 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
3942 dnl Unfortunately without libXmu we cannot support EditRes.
3943 if test x$ac_cv_lib_Xmu_XmuConvertStandardSelection != xyes; then
3944 AC_DEFINE(NO_EDITRES, 1)
3949 dnl Assar Westerlund <assar@sics.se> says this is necessary for
3950 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
3951 AC_DEFINE(NO_EDITRES, 1)
3957 irix6-5 | sol2* | unixware )
3958 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
3959 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
3960 dnl need the constant to dimension an array. So wire in the appropriate
3962 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
3966 emacs_broken_SIGIO=no
3969 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
3970 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
3971 hpux* | irix6-5 | openbsd | sol2* | unixware )
3972 emacs_broken_SIGIO=yes
3976 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
3977 dnl the way this system works, libc functions that return malloced
3978 dnl memory use the libc malloc implementation. Calling xfree or
3979 dnl xrealloc on the results of such functions results in a crash.
3981 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
3982 dnl but that does not currently work on this system.
3984 dnl It is possible to completely override the malloc implementation on
3985 dnl AIX, but that involves putting the malloc functions in a shared
3986 dnl library and setting the MALLOCTYPE environment variable to point to
3987 dnl that shared library.
3989 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
3990 dnl to avoid a crash just use the Emacs implementation for that function.
3992 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
3993 dnl of this file, so that we do not check for get_current_dir_name
3994 dnl on AIX. But that might be fragile if something else ends
3995 dnl up testing for get_current_dir_name as a dependency.
3996 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
3997 get_current_dir_name should not be used.])
4001 dnl Circumvent a bug in FreeBSD. In the following sequence of
4002 dnl writes/reads on a PTY, read(2) returns bogus data:
4004 dnl write(2) 1022 bytes
4005 dnl write(2) 954 bytes, get EAGAIN
4006 dnl read(2) 1024 bytes in process_read_output
4007 dnl read(2) 11 bytes in process_read_output
4009 dnl That is, read(2) returns more bytes than have ever been written
4010 dnl successfully. The 1033 bytes read are the 1022 bytes written
4011 dnl successfully after processing (for example with CRs added if the
4012 dnl terminal is set up that way which it is here). The same bytes will
4013 dnl be seen again in a later read(2), without the CRs.
4014 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4015 work around an issue when reading from a PTY.])
4021 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4022 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4027 darwin | dragonfly | freebsd | netbsd | openbsd )
4028 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4029 close a pty to make it a controlling terminal (it is already a
4030 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4034 dnl FIXME Surely we can test for this rather than hard-code it.
4036 netbsd | openbsd) sound_device="/dev/audio" ;;
4037 *) sound_device="/dev/dsp" ;;
4041 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4042 [Name of the default sound device.])
4045 dnl Emacs can read input using SIGIO and buffering characters itself,
4046 dnl or using CBREAK mode and making C-g cause SIGINT.
4047 dnl The choice is controlled by the variable interrupt_input.
4049 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4051 dnl Emacs uses the presence of the USABLE_SIGIO macro
4052 dnl to indicate whether or not signal-driven I/O is possible. It uses
4053 dnl INTERRUPT_INPUT to decide whether to use it by default.
4055 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4056 dnl CBREAK mode has two disadvantages
4057 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4058 dnl I hear that in system V this problem does not exist.
4059 dnl 2) Control-G causes output to be discarded.
4060 dnl I do not know whether this can be fixed in system V.
4062 dnl Another method of doing input is planned but not implemented.
4063 dnl It would have Emacs fork off a separate process
4064 dnl to read the input and send it to the true Emacs process
4067 darwin | gnu-linux | gnu-kfreebsd )
4068 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4073 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4074 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4075 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4076 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4077 dnl taking float or double parameters.
4079 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4080 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4081 file defines `NeedWidePrototypes' as `NO'.])
4086 dnl Used in process.c, this must be a loop, even if it only runs once.
4087 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4088 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4089 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4090 dnl trying suffixes 0-16.
4091 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4092 first PTY, if PTYs are supported.])
4093 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4094 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4095 end of a PTY, if non-standard.])
4096 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4097 end of a PTY, if non-standard.])
4101 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4102 dnl You allocate a pty by opening /dev/ptc to get the master side.
4103 dnl To get the name of the slave side, you just ttyname() the master side.
4104 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4105 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4109 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4110 dnl multi-line AC_DEFINEs are hard. :(
4111 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)])
4112 AC_DEFINE(PTY_NAME_SPRINTF, [])
4113 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4116 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4118 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4119 dnl Not used, because PTY_ITERATION is defined.
4120 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4121 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4122 dnl But we don't have to block SIGCHLD because it is blocked in the
4123 dnl implementation of grantpt.
4124 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4125 AC_DEFINE(PTY_NAME_SPRINTF, [])
4126 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4130 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4133 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4135 if test "x$ac_cv_func_grantpt" = xyes; then
4136 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4137 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4138 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4139 dnl to prevent sigchld_handler from intercepting the child's death.
4140 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); }])
4141 dnl if HAVE_POSIX_OPENPT
4142 if test "x$ac_cv_func_posix_openpt" = xyes; then
4143 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4144 AC_DEFINE(PTY_NAME_SPRINTF, [])
4146 elif test "x$ac_cv_func_getpt" = xyes; then
4147 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4148 AC_DEFINE(PTY_NAME_SPRINTF, [])
4150 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4153 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4158 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4159 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4160 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4164 dnl It looks like this cannot be right, because it is not a loop.
4165 dnl However, process.c actually does this:
4171 dnl which presumably makes it OK, since irix == sgi (?).
4172 dnl FIXME it seems like this special treatment is unnecessary?
4173 dnl Why can't irix use a single-trip loop like eg cygwin?
4174 AC_DEFINE(PTY_ITERATION, [])
4175 dnl Not used, because PTY_ITERATION is defined.
4176 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4177 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); }])
4178 dnl No need to get the pty name at all.
4179 AC_DEFINE(PTY_NAME_SPRINTF, [])
4180 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4181 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4185 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4186 dnl from intercepting that death. If any child but grantpt's should die
4187 dnl within, it should be caught after sigrelse(2).
4188 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); }])
4192 dnl Comments are as per sol2*.
4193 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); }])
4200 dnl This change means that we don't loop through allocate_pty too
4201 dnl many times in the (rare) event of a failure.
4202 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4203 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4204 dnl Push various streams modules onto a PTY channel. Used in process.c.
4205 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.])
4210 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4211 "typing" a signal character on the pty.])
4214 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4215 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4216 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4217 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4220 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4221 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4222 gnu-linux | gnu-kfreebsd )
4224 AC_MSG_CHECKING([for signals via characters])
4225 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4226 #include <linux/version.h>
4227 #if LINUX_VERSION_CODE < 0x20400
4228 # error "Linux version too old"
4230 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4232 AC_MSG_RESULT([$emacs_signals_via_chars])
4233 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4238 dnl Used in lisp.h, emacs.c, vm-limit.c
4239 dnl NEWS.18 describes this as "a number which contains
4240 dnl the high bits to be inclusive or'ed with pointers that are unpacked."
4241 AH_TEMPLATE(DATA_SEG_BITS, [Extra bits to be or'd in with any pointers
4242 stored in a Lisp_Object.])
4243 dnl if Emacs uses fewer than 32 bits for the value field of a LISP_OBJECT.
4247 dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
4248 AC_DEFINE(DATA_SEG_BITS, [0x20000000])
4251 dnl The data segment on this machine always starts at address 0x40000000.
4252 AC_DEFINE(DATA_SEG_BITS, [0x40000000])
4255 AC_DEFINE(DATA_SEG_BITS, [0x10000000])
4260 AH_TEMPLATE(TAB3, [Undocumented.])
4263 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4265 gnu | dragonfly | freebsd | netbsd | openbsd )
4266 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4267 AC_DEFINE(TAB3, OXTABS)
4270 gnu-linux | gnu-kfreebsd )
4271 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4275 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4276 [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)],
4277 [Mark a secondary stack, like the register stack on the ia64.]), [])
4281 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4282 run_time_remap; for HPUX.])
4287 dnl This won't be used automatically yet. We also need to know, at least,
4288 dnl that the stack is continuous.
4289 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4290 registers relevant for conservative garbage collection in the jmp_buf.])
4294 dnl Not all the architectures are tested, but there are Debian packages
4295 dnl for SCM and/or Guile on them, so the technique must work. See also
4296 dnl comments in alloc.c concerning setjmp and gcc.
4297 dnl Fixme: it's probably safe to just use the GCC conditional below.
4298 gnu-linux | gnu-kfreebsd )
4299 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4300 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4301 || defined __alpha__ || defined __mips__ || defined __s390__ \
4302 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4303 || defined __ia64__ || defined __sh__
4306 # error "setjmp not known to work on this arch"
4308 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4313 if test x$GCC = xyes; then
4314 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4315 AC_DEFINE(GC_SETJMP_WORKS, 1)
4318 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4319 dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4320 AC_DEFINE(GC_SETJMP_WORKS, 1)
4325 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4326 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4329 [[#include <setjmp.h>
4331 # define _longjmp longjmp
4336 _longjmp (j, 1);]])],
4337 [emacs_cv_func__setjmp=yes],
4338 [emacs_cv_func__setjmp=no])])
4339 if test $emacs_cv_func__setjmp = yes; then
4340 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4342 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4345 [[#include <setjmp.h>
4348 if (! sigsetjmp (j, 1))
4349 siglongjmp (j, 1);]])],
4350 [emacs_cv_func_sigsetjmp=yes],
4351 [emacs_cv_func_sigsetjmp=no])])
4352 if test $emacs_cv_func_sigsetjmp = yes; then
4353 AC_DEFINE([HAVE_SIGSETJMP], 1,
4354 [Define to 1 if sigsetjmp and siglongjmp work.
4355 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4361 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4362 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4363 dnl and this is all we need.
4364 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4371 dnl Used in xfaces.c.
4372 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4373 some systems, where it requires time.h.])
4378 dnl Define symbols to identify the version of Unix this is.
4379 dnl Define all the symbols that apply correctly.
4380 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4381 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4382 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4383 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4388 dnl This symbol should be defined on AIX Version 3 ???????
4389 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4391 # error "_AIX not defined"
4393 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4397 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4401 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4402 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4403 dnl distinguish OS X from pure Darwin.
4404 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4407 gnu-linux | gnu-kfreebsd )
4409 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4414 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4419 AC_DEFINE(USG5_4, [])
4420 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4424 AC_DEFINE(DOS_NT, [])
4425 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4426 if test "x$ac_enable_checking" != "x" ; then
4427 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4433 AC_DEFINE(USG5_4, [])
4434 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4439 AC_DEFINE(USG5_4, [])
4443 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4446 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4447 emacs_cv_usable_FIONREAD=no
4451 emacs_cv_usable_FIONREAD=yes
4456 [AC_LANG_PROGRAM([[#include <sys/types.h>
4457 #include <sys/ioctl.h>
4459 # include <sys/filio.h>
4462 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4463 [emacs_cv_usable_FIONREAD=yes],
4464 [emacs_cv_usable_FIONREAD=no])
4467 if test $emacs_cv_usable_FIONREAD = yes; then
4468 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4470 if test $emacs_broken_SIGIO = no; then
4471 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4473 [AC_LANG_PROGRAM([[#include <fcntl.h>
4476 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4477 [emacs_cv_usable_SIGIO=yes],
4478 [emacs_cv_usable_SIGIO=no])],
4479 [emacs_cv_usable_SIGIO=yes],
4480 [emacs_cv_usable_SIGIO=no])
4481 if test $emacs_cv_usable_SIGIO = yes; then
4482 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4489 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4490 dnl and on Cygwin prior to version 1.7.24 that becomes the
4491 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4492 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4493 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4494 dnl needed starting with cygwin-1.7.24, and it is no longer
4495 dnl effective starting with glib-2.36. */
4497 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4498 G_SLICE environment variable to "always-malloc" at startup.])
4502 dnl It works to open the pty's tty in the parent (Emacs), then
4503 dnl close and reopen it in the child.
4504 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4505 works to open a pty's tty in the parent process, then close and
4506 reopen it in the child.])
4510 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4511 use VSUSP instead of VSWTCH.])
4515 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4520 # Set up the CFLAGS for real compilation, so we can substitute it.
4521 CFLAGS="$REAL_CFLAGS"
4522 CPPFLAGS="$REAL_CPPFLAGS"
4524 ## Hack to detect a buggy GCC version.
4525 if test "x$GCC" = xyes \
4526 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4527 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4528 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4529 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4532 version=$PACKAGE_VERSION
4534 copyright="Copyright (C) 2013 Free Software Foundation, Inc."
4535 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4536 [Short copyright string for this version of Emacs.])
4539 ### Specify what sort of things we'll be editing into Makefile and config.h.
4540 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4542 AC_SUBST(configuration)
4547 AC_SUBST(exec_prefix)
4550 AC_SUBST(sharedstatedir)
4551 AC_SUBST(libexecdir)
4555 AC_SUBST(standardlisppath)
4556 AC_SUBST(locallisppath)
4558 AC_SUBST(x_default_search_path)
4560 AC_SUBST(archlibdir)
4565 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4566 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4567 ## end of LIBX_BASE, but nothing ever set it.
4568 AC_SUBST(LD_SWITCH_X_SITE)
4569 AC_SUBST(C_SWITCH_X_SITE)
4570 AC_SUBST(GNUSTEP_CFLAGS)
4572 ## Used in lwlib/Makefile.in.
4573 AC_SUBST(X_TOOLKIT_TYPE)
4575 AC_SUBST(ns_appbindir)
4576 AC_SUBST(ns_appresdir)
4578 AC_SUBST(GNU_OBJC_CFLAGS)
4579 AC_SUBST(OTHER_FILES)
4581 if test -n "${term_header}"; then
4582 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4583 [Define to the header for the built-in window system.])
4586 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4587 [Define to the canonical Emacs configuration name.])
4588 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4589 [Define to the options passed to configure.])
4590 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4591 define this to include extra configuration information.])
4595 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4602 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4603 AC_DEFINE(HAVE_X_WINDOWS, 1,
4604 [Define to 1 if you want to use the X window system.])
4606 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4608 if test "$HAVE_XFT" = "yes"; then
4609 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4610 elif test "$HAVE_FREETYPE" = "yes"; then
4611 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4621 if test "${USE_X_TOOLKIT}" != "none" ; then
4623 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4624 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4625 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4626 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4627 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4631 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4632 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4636 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4637 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4638 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4642 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4643 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4646 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4649 AC_SUBST(WIDGET_OBJ)
4652 case "$USE_X_TOOLKIT" in
4653 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4654 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4655 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4657 AC_SUBST(TOOLKIT_LIBW)
4659 if test "${opsys}" != "mingw32"; then
4660 if test "$USE_X_TOOLKIT" = "none"; then
4661 LIBXT_OTHER="\$(LIBXSM)"
4663 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4666 AC_SUBST(LIBXT_OTHER)
4668 if test "${HAVE_X11}" = "yes" ; then
4669 AC_DEFINE(HAVE_X11, 1,
4670 [Define to 1 if you want to use version 11 of X windows.])
4671 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4675 AC_SUBST(LIBX_OTHER)
4677 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4679 elif test "$USE_X_TOOLKIT" = none; then
4680 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4682 LIBXMENU='$(lwlibdir)/liblw.a'
4686 if test "${GNU_MALLOC}" = "yes" ; then
4687 AC_DEFINE(GNU_MALLOC, 1,
4688 [Define to 1 if you want to use the GNU memory allocator.])
4692 if test "${REL_ALLOC}" = "yes" ; then
4693 AC_DEFINE(REL_ALLOC, 1,
4694 [Define REL_ALLOC if you want to use the relocating allocator for
4697 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4699 AC_SUBST(RALLOC_OBJ)
4701 if test "$opsys" = "cygwin"; then
4702 CYGWIN_OBJ="sheap.o cygw32.o"
4703 ## Cygwin differs because of its unexec().
4705 POST_ALLOC_OBJ=lastfile.o
4706 elif test "$opsys" = "mingw32"; then
4709 POST_ALLOC_OBJ=lastfile.o
4712 PRE_ALLOC_OBJ=lastfile.o
4715 AC_SUBST(CYGWIN_OBJ)
4716 AC_SUBST(PRE_ALLOC_OBJ)
4717 AC_SUBST(POST_ALLOC_OBJ)
4719 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4720 dnl verbatim defined above. The tricky name is apropos, as this hack
4721 dnl makes Fortify go sour!
4722 AH_VERBATIM([FORTIFY_SOUR],
4723 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4724 The workaround disables some useful run-time checking, so it
4725 should be conditional to the platforms with the performance bug.
4726 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4727 #if defined __APPLE__ && defined __GNUC__
4728 # ifndef _DONT_USE_CTYPE_INLINE_
4729 # define _DONT_USE_CTYPE_INLINE_
4731 # ifndef _FORTIFY_SOURCE
4732 # define _FORTIFY_SOURCE 0
4737 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4738 # it temporarily reverts them to their pre-pkg-config values,
4739 # because gnulib needs to work with both src (which uses the
4740 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4741 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4742 # and it therefore needs to run in an environment where LIBS does not
4743 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4744 # for some package unrelated to lib-src.
4747 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4748 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4749 gl_ASSERT_NO_GNULIB_POSIXCHECK
4750 gl_ASSERT_NO_GNULIB_TESTS
4755 if test "${opsys}" = "mingw32"; then
4756 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4757 # Remove unneeded switches from the value of CC that goes to Makefiles
4758 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4762 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4765 ## The -headerpad option tells ld (see man page) to leave room at the
4766 ## end of the header for adding load commands. Needed for dumping.
4767 ## 0x690 is the total size of 30 segment load commands (at 56
4768 ## each); under Cocoa 31 commands are required.
4769 if test "$HAVE_NS" = "yes"; then
4770 libs_nsgui="-framework AppKit"
4771 if test "$NS_IMPL_COCOA" = "yes"; then
4772 libs_nsgui="$libs_nsgui -framework IOKit"
4779 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4781 ## This is here because src/Makefile.in did some extra fiddling around
4782 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4783 ## LD_SWITCH_SYSTEM_TEMACS instead,
4784 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4785 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4788 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4789 ## find X at run-time.
4790 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4791 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4792 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4793 ## had different values in configure (in ac_link) and src/Makefile.in.
4794 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4795 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4798 ## MinGW64 does not prepend an underscore to symbols, so we must
4799 ## pass a different -entry switch to linker. FIXME: It is better
4800 ## to make the entry points the same by changing unexw32.c.
4801 case "$canonical" in
4802 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
4803 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4807 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4809 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4812 if test x$ac_enable_profiling != x ; then
4814 *freebsd | gnu-linux) ;;
4815 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4819 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4821 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4823 ## MinGW-specific post-link processing of temacs.
4824 TEMACS_POST_LINK=":"
4827 if test "${opsys}" = "mingw32"; then
4828 TEMACS_POST_LINK="\$(MINGW_TEMACS_POST_LINK)"
4829 ADDSECTION="../nt/addsection\$(EXEEXT)"
4830 ## Preload heap size of temacs.exe in MB.
4831 case "$canonical" in
4832 x86_64-*-*) EMACS_HEAPSIZE=42 ;;
4833 *) EMACS_HEAPSIZE=27 ;;
4837 AC_SUBST(ADDSECTION)
4838 AC_SUBST(TEMACS_POST_LINK)
4839 AC_SUBST(EMACS_HEAPSIZE)
4841 ## Common for all window systems
4842 if test "$window_system" != "none"; then
4843 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4844 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4847 AC_SUBST(WINDOW_SYSTEM_OBJ)
4849 AH_TOP([/* GNU Emacs site configuration template file.
4851 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2013
4852 Free Software Foundation, Inc.
4854 This file is part of GNU Emacs.
4856 GNU Emacs is free software: you can redistribute it and/or modify
4857 it under the terms of the GNU General Public License as published by
4858 the Free Software Foundation, either version 3 of the License, or
4859 (at your option) any later version.
4861 GNU Emacs is distributed in the hope that it will be useful,
4862 but WITHOUT ANY WARRANTY; without even the implied warranty of
4863 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4864 GNU General Public License for more details.
4866 You should have received a copy of the GNU General Public License
4867 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4870 /* No code in Emacs #includes config.h twice, but some bits of code
4871 intended to work with other packages as well (like gmalloc.c)
4872 think they can include it as many times as they like. */
4873 #ifndef EMACS_CONFIG_H
4874 #define EMACS_CONFIG_H
4877 AH_BOTTOM([#include <conf_post.h>
4879 #endif /* EMACS_CONFIG_H */
4888 #### Report on what we decided to do.
4889 #### Report GTK as a toolkit, even if it doesn't use Xt.
4890 #### It makes printing result more understandable as using GTK sets
4891 #### toolkit_scroll_bars to yes by default.
4892 if test "${HAVE_GTK}" = "yes"; then
4893 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4896 if test $USE_ACL -ne 0; then
4897 acl_summary="yes $LIB_ACL"
4903 Configured for \`${canonical}'.
4905 Where should the build process find the source code? ${srcdir}
4906 What compiler should emacs be built with? ${CC} ${CFLAGS}
4907 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4908 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4909 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4910 What window system should Emacs use? ${window_system}
4911 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4913 if test -n "${x_includes}"; then
4914 echo " Where do we find X Windows header files? ${x_includes}"
4916 echo " Where do we find X Windows header files? Standard dirs"
4918 if test -n "${x_libraries}"; then
4919 echo " Where do we find X Windows libraries? ${x_libraries}"
4921 echo " Where do we find X Windows libraries? Standard dirs"
4924 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
4925 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
4926 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
4927 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
4928 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
4929 echo " Does Emacs use -lpng? ${HAVE_PNG}"
4930 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
4931 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
4933 echo " Does Emacs support sound? ${HAVE_SOUND}"
4935 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
4936 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
4937 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
4938 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
4939 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
4940 echo " Does Emacs use access control lists? ${acl_summary}"
4941 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
4942 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
4943 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
4945 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
4946 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
4947 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
4948 echo " Does Emacs use -lxft? ${HAVE_XFT}"
4949 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
4951 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
4954 if test -n "${EMACSDATA}"; then
4955 echo " Environment variable EMACSDATA set to: $EMACSDATA"
4957 if test -n "${EMACSDOC}"; then
4958 echo " Environment variable EMACSDOC set to: $EMACSDOC"
4963 if test "$HAVE_NS" = "yes"; then
4965 echo "You must run \"${MAKE-make} install\" in order to test the built application.
4966 The installed application will go to nextstep/Emacs.app and can be
4967 run or moved from there."
4968 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
4969 echo "The application will be fully self-contained."
4971 echo "The lisp resources for the application will be installed under ${prefix}.
4972 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
4973 to run if these resources are not installed."
4978 if test "${opsys}" = "cygwin"; then
4980 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
4986 # Remove any trailing slashes in these variables.
4987 [test "${prefix}" != NONE &&
4988 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
4989 test "${exec_prefix}" != NONE &&
4990 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
4992 if test "$HAVE_NS" = "yes"; then
4993 if test "$NS_IMPL_GNUSTEP" = yes; then
4994 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
4995 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
4996 ns_check_file=Resources/Info-gnustep.plist
4998 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
4999 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5000 ns_check_file=Contents/Info.plist
5002 AC_SUBST(ns_check_file)
5005 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5006 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5007 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5008 dnl (else you get "no `Makefile.am' found for any configure output").
5009 dnl This will work, but you get a config.status that is not quite right
5010 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5011 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5012 dnl it seems better to just live with the duplication.
5013 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5015 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5016 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5017 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5018 leim/Makefile nextstep/Makefile nt/Makefile])
5020 dnl test/ is not present in release tarfiles.
5021 opt_makefile=test/automated/Makefile
5023 if test -f "$srcdir/$opt_makefile.in"; then
5024 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5025 dnl Again, it's best not to use a variable. Though you can add
5026 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5027 AC_CONFIG_FILES([test/automated/Makefile])
5031 dnl The admin/ directory used to be excluded from tarfiles.
5032 if test -d $srcdir/admin; then
5033 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5034 AC_CONFIG_FILES([admin/unidata/Makefile])
5035 AC_CONFIG_FILES([admin/grammars/Makefile])
5039 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5041 AC_SUBST(SUBDIR_MAKEFILES_IN)
5043 dnl You might wonder (I did) why epaths.h is generated by running make,
5044 dnl rather than just letting configure generate it from epaths.in.
5045 dnl One reason is that the various paths are not fully expanded (see above);
5046 dnl eg gamedir=${prefix}/var/games/emacs.
5047 dnl Secondly, the GNU Coding standards require that one should be able
5048 dnl to run `make prefix=/some/where/else' and override the values set
5049 dnl by configure. This also explains the `move-if-change' test and
5050 dnl the use of force in the `epaths-force' rule in Makefile.in.
5051 AC_CONFIG_COMMANDS([src/epaths.h], [
5052 if test "${opsys}" = "mingw32"; then
5053 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5055 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5057 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5059 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5060 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5062 AC_CONFIG_COMMANDS([src/.gdbinit], [
5063 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5064 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit