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, 1999-2014 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 dnl Note this is parsed by (at least) make-dist and lisp/cedet/ede/emacs.el.
26 AC_INIT(GNU Emacs, 24.4.50, bug-gnu-emacs@gnu.org)
28 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,
29 dnl and then quoted again for a C string. Separate options with spaces.
30 dnl Add some environment variables, if they were passed via the environment
31 dnl rather than on the command-line.
34 dnl This is the documented way to record the args passed to configure,
35 dnl rather than $ac_configure_args.
36 for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
38 -n | --no-create | --no-recursion)
40 CFLAGS | CPPFLAGS | LDFLAGS)
41 eval 'test "${'$opt'+set}" = set' || continue
43 *" $opt="*) continue ;;
45 eval opt=$opt=\$$opt ;;
48 emacs_shell_specials=$IFS\''"#$&()*;<>?@<:@\\`{|~'
50 *[["$emacs_shell_specials"]]*)
53 emacs_quote_apostrophes="s/'/'\\\\''/g"
54 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_apostrophes"` ;;
59 emacs_quote_for_c='s/[["\\]]/\\&/g; $!s/$/\\n\\/'
60 opt=`AS_ECHO(["$opt"]) | sed "$emacs_quote_for_c"` ;;
63 AS_VAR_APPEND([emacs_config_options], ["$optsep$opt"])
67 AC_CONFIG_HEADERS(src/config.h:src/config.in)
68 AC_CONFIG_SRCDIR(src/lisp.h)
69 AC_CONFIG_AUX_DIR(build-aux)
70 dnl automake 1.13 and later understand this, making -I m4 unnecessary.
71 dnl With older versions this is a no-op.
72 AC_CONFIG_MACRO_DIR(m4)
75 AC_CHECK_PROGS(XCRUN, [xcrun])
76 if test -n "$XCRUN"; then
77 if test -z "$MAKE"; then
78 dnl Call the variable MAKE_PROG, not MAKE, to avoid confusion with
79 dnl the usual MAKE variable that 'make' itself uses.
80 AC_CHECK_PROG([MAKE_PROG], [make], [yes])
81 if test -z "$MAKE_PROG"; then
84 xcsdkdir=`$XCRUN --show-sdk-path 2>/dev/null`
89 dnl GNU Make is required, so don't test for its individual features.
90 am_cv_make_support_nested_variables=yes
91 AC_DEFUN([AC_PROG_MAKE_SET],
93 AC_SUBST([SET_MAKE])])
95 dnl Check for GNU Make and possibly set MAKE before running AM_INIT_AUTOMAKE.
96 [emacs_check_gnu_make ()
98 emacs_makeout=`($1 --version) 2>/dev/null` &&
99 case $emacs_makeout in
100 'GNU Make '3.8[1-9]* | 'GNU Make '3.9[0-9]* | \
101 'GNU Make '3.[1-9][0-9][0-9]* | 'GNU Make '[4-9]* | 'GNU Make '[1-9][0-9]* )
102 ac_path_MAKE_found=:;;
105 AC_CACHE_CHECK([for GNU Make], [ac_cv_path_MAKE],
106 [ac_path_MAKE_found=false
107 if test -n "$MAKE"; then
108 emacs_check_gnu_make "$MAKE"
109 ac_cv_path_MAKE=$MAKE
111 emacs_tried_make=false
112 emacs_tried_gmake=false
113 emacs_tried_gnumake=false
114 AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake gnumake],
115 [[emacs_check_gnu_make "$ac_path_MAKE"
116 if $ac_path_MAKE_found; then
117 # Use the fully-qualified program name only if the basename
118 # would not resolve to it.
119 if eval \$emacs_tried_$ac_prog; then
120 ac_cv_path_MAKE=$ac_path_MAKE
122 ac_cv_path_MAKE=$ac_prog
125 eval emacs_tried_$ac_prog=:]])
127 $ac_path_MAKE_found || {
128 AC_MSG_ERROR([[Building Emacs requires GNU Make, at least version 3.81.
129 If you have it installed under another name, configure with 'MAKE=...'.
130 For example, run '$0 MAKE=gnu-make'.]])
132 MAKE=$ac_cv_path_MAKE
134 dnl Fairly arbitrary, older versions might work too.
135 AM_INIT_AUTOMAKE(1.11)
137 dnl Canonicalize the configuration name.
140 configuration=${host_alias-${build_alias-$host}}
142 dnl We get MINGW64 with MSYS2.
145 . $srcdir/nt/mingw-cfg.site
149 # srcdir is an absolute path. In this case, force the format
150 # "/c/foo/bar", to simplify later conversions to native Windows
151 # format ("c:/foo/bar").
152 srcdir=`cd "${srcdir}" && pwd -W`
153 srcdir="/${srcdir:0:1}${srcdir:2}"
158 dnl Support for --program-prefix, --program-suffix and
159 dnl --program-transform-name options
162 dnl It is important that variables on the RHS not be expanded here,
163 dnl hence the single quotes. This is per the GNU coding standards, see
164 dnl (autoconf) Installation Directory Variables
165 dnl See also epaths.h below.
166 lispdir='${datadir}/emacs/${version}/lisp'
167 standardlisppath='${lispdir}'
168 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
169 '${datadir}/emacs/site-lisp'
170 lisppath='${locallisppath}:${standardlisppath}'
171 etcdir='${datadir}/emacs/${version}/etc'
172 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
173 etcdocdir='${datadir}/emacs/${version}/etc'
174 gamedir='${localstatedir}/games/emacs'
176 dnl Special option to disable the most of other options.
178 [AS_HELP_STRING([--without-all],
179 [omit almost all features and build
180 small executable with minimal dependencies])],
181 [with_features=$withval],
184 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
185 dnl Create a new --with option that defaults to being disabled.
186 dnl NAME is the base name of the option. The shell variable with_NAME
187 dnl will be set to either the user's value (if the option is
188 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
189 dnl option is not specified). Note that the shell variable name is
190 dnl constructed as autoconf does, by replacing non-alphanumeric
191 dnl characters with "_".
192 dnl HELP-STRING is the help text for the option.
193 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
194 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
195 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
198 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
199 dnl Create a new --with option that defaults to $with_features.
200 dnl NAME is the base name of the option. The shell variable with_NAME
201 dnl will be set either to 'no' (for a plain --without-NAME) or to
202 dnl 'yes' (if the option is not specified). Note that the shell
203 dnl variable name is constructed as autoconf does, by replacing
204 dnl non-alphanumeric characters with "_".
205 dnl HELP-STRING is the help text for the option.
206 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
207 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
208 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
211 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
212 if test "$with_pop" = yes; then
213 AC_DEFINE(MAIL_USE_POP)
215 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
217 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
218 if test "$with_kerberos" != no; then
221 AH_TEMPLATE(KERBEROS,
222 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
224 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
225 if test "${with_kerberos5}" != no; then
226 if test "${with_kerberos}" = no; then
230 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
233 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
234 dnl FIXME hesiod support may not be present, so it seems like an error
235 dnl to define, or at least use, this unconditionally.
236 if test "$with_hesiod" != no; then
237 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
240 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
241 if test "$with_mmdf" != no; then
242 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
245 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
246 if test "$with_mail_unlink" != no; then
247 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
250 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
251 [string giving default POP mail host])],
252 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
254 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
255 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
256 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW.])],
257 [ case "${withval}" in
258 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
259 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
260 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
265 [with_sound=$with_features])
267 dnl FIXME currently it is not the last.
268 dnl This should be the last --with option, because --with-x is
269 dnl added later on when we find the file name of X, and it's best to
270 dnl keep them together visually.
271 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
272 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
273 [ case "${withval}" in
274 y | ye | yes ) val=gtk ;;
276 l | lu | luc | luci | lucid ) val=lucid ;;
277 a | at | ath | athe | athen | athena ) val=athena ;;
278 m | mo | mot | moti | motif ) val=motif ;;
279 g | gt | gtk ) val=gtk ;;
283 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
284 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
285 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
286 `athena' and `lucid' are synonyms.])
292 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
293 if test "$with_wide_int" = yes; then
294 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
297 dnl _ON results in a '--without' option in the --help output, so
298 dnl the help text should refer to "don't compile", etc.
299 with_xpm_set=${with_xpm+set}
300 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
301 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
302 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
303 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
304 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
305 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
306 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
307 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
309 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
310 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
311 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
313 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
314 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
315 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
316 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
317 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
319 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
320 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
321 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
322 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
323 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
324 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
325 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
327 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
328 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
329 [ case "${withval}" in
330 y | ye | yes ) val=yes ;;
332 g | gf | gfi | gfil | gfile ) val=gfile ;;
333 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
334 w | w3 | w32 ) val=w32 ;;
335 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
336 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
337 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
338 otherwise for the first of `gfile' or `inotify' that is usable.])
341 with_file_notification=$val
343 [with_file_notification=$with_features])
345 OPTION_DEFAULT_OFF([xwidgets],[enable use of some gtk widgets it Emacs buffers])
347 ## For the times when you want to build Emacs but don't have
348 ## a suitable makeinfo, and can live without the manuals.
349 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
350 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
352 ## This might be a 'configure' arg.
353 AC_SUBST([ACLOCAL_PATH])
355 ## Makefile.in needs the cache file name.
358 ## This is an option because I do not know if all info/man support
359 ## compressed files, nor how to test if they do so.
360 OPTION_DEFAULT_ON([compress-install],
361 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
362 make GZIP_PROG= install])
364 AC_ARG_WITH(gameuser,dnl
365 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
366 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
367 && gameuser="${with_gameuser}"
368 test "X$gameuser" = X && gameuser=games
370 AC_ARG_WITH([gnustep-conf],dnl
371 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
372 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
373 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
374 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
375 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
376 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
378 AC_ARG_ENABLE(ns-self-contained,
379 [AS_HELP_STRING([--disable-ns-self-contained],
380 [disable self contained build under NeXTstep])],
381 EN_NS_SELF_CONTAINED=$enableval,
382 EN_NS_SELF_CONTAINED=yes)
384 AC_ARG_ENABLE(locallisppath,
385 [AS_HELP_STRING([--enable-locallisppath=PATH],
386 [directories Emacs should search for lisp files specific
388 if test "${enableval}" = "no"; then
390 elif test "${enableval}" != "yes"; then
391 locallisppath=${enableval}
394 AC_ARG_ENABLE(checking,
395 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
396 [enable expensive run-time checks. With LIST,
397 enable only specific categories of checks.
398 Categories are: all,yes,no.
399 Flags are: stringbytes, stringoverrun, stringfreelist,
400 xmallocoverrun, conslist, glyphs])],
401 [ac_checking_flags="${enableval}"],[])
402 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
403 for check in $ac_checking_flags
406 # these set all the flags to specific states
407 yes) ac_enable_checking=1 ;;
408 no) ac_enable_checking= ;
409 ac_gc_check_stringbytes= ;
410 ac_gc_check_string_overrun= ;
411 ac_gc_check_string_free_list= ;
412 ac_xmalloc_overrun= ;
413 ac_gc_check_cons_list= ;
415 all) ac_enable_checking=1 ;
416 ac_gc_check_stringbytes=1 ;
417 ac_gc_check_string_overrun=1 ;
418 ac_gc_check_string_free_list=1 ;
419 ac_xmalloc_overrun=1 ;
420 ac_gc_check_cons_list=1 ;
422 # these enable particular checks
423 stringbytes) ac_gc_check_stringbytes=1 ;;
424 stringoverrun) ac_gc_check_string_overrun=1 ;;
425 stringfreelist) ac_gc_check_string_free_list=1 ;;
426 xmallocoverrun) ac_xmalloc_overrun=1 ;;
427 conslist) ac_gc_check_cons_list=1 ;;
428 glyphs) ac_glyphs_debug=1 ;;
429 *) AC_MSG_ERROR(unknown check category $check) ;;
434 if test x$ac_enable_checking != x ; then
435 AC_DEFINE(ENABLE_CHECKING, 1,
436 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
438 if test x$ac_gc_check_stringbytes != x ; then
439 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
440 [Define this temporarily to hunt a bug. If defined, the size of
441 strings is redundantly recorded in sdata structures so that it can
442 be compared to the sizes recorded in Lisp strings.])
444 if test x$ac_gc_check_string_overrun != x ; then
445 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
446 [Define this to check for short string overrun.])
448 if test x$ac_gc_check_string_free_list != x ; then
449 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
450 [Define this to check the string free list.])
452 if test x$ac_xmalloc_overrun != x ; then
453 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
454 [Define this to check for malloc buffer overrun.])
456 if test x$ac_gc_check_cons_list != x ; then
457 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
458 [Define this to check for errors in cons list.])
460 if test x$ac_glyphs_debug != x ; then
461 AC_DEFINE(GLYPH_DEBUG, 1,
462 [Define this to enable glyphs debugging code.])
465 AC_ARG_ENABLE(check-lisp-object-type,
466 [AS_HELP_STRING([--enable-check-lisp-object-type],
467 [enable compile time checks for the Lisp_Object data type.
468 This is useful for development for catching certain types of bugs.])],
469 if test "${enableval}" != "no"; then
470 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
471 [Define this to enable compile time checks for the Lisp_Object data type.])
475 dnl The name of this option is unfortunate. It predates, and has no
476 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
477 dnl Actually, it stops it working.
478 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
479 AC_ARG_ENABLE(profiling,
480 [AS_HELP_STRING([--enable-profiling],
481 [build emacs with low-level, gprof profiling support.
482 Mainly useful for debugging Emacs itself. May not work on
483 all platforms. Stops profiler.el working.])],
484 [ac_enable_profiling="${enableval}"],[])
485 if test x$ac_enable_profiling != x ; then
486 PROFILING_CFLAGS="-DPROFILING=1 -pg"
490 AC_SUBST(PROFILING_CFLAGS)
492 AC_ARG_ENABLE(autodepend,
493 [AS_HELP_STRING([--enable-autodepend],
494 [automatically generate dependencies to .h-files.
495 Requires gcc, enabled if found.])],
496 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
498 AC_ARG_ENABLE(gtk-deprecation-warnings,
499 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
500 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
501 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
503 dnl This used to use changequote, but, apart from `changequote is evil'
504 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
505 dnl the great gob of text. Thus it's not processed for possible expansion.
506 dnl Just make sure the brackets remain balanced.
508 dnl Since Emacs can't find matching pairs of quotes, boundaries are
509 dnl indicated by comments.
513 ### If you add support for a new configuration, add code to this
514 ### switch statement to recognize your configuration name and select
515 ### the appropriate opsys.
517 ### As far as handling version numbers on operating systems is
518 ### concerned, make sure things will fail in a fixable way. If
519 ### /etc/MACHINES doesn't say anything about version numbers, be
520 ### prepared to handle anything reasonably. If version numbers
521 ### matter, be sure /etc/MACHINES says something about it.
524 case "${canonical}" in
526 ## GNU/Linux and similar ports
541 ## FreeBSD kernel + glibc based userland
552 *-*-openbsd* | *-*-mirbsd* )
556 ## Apple Darwin / Mac OS X
558 case "${canonical}" in
565 ## Use fink packages if available.
566 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
567 ## if test -d /sw/include && test -d /sw/lib; then
568 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
569 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
578 ## HP 9000 series 700 and 800, running HP/UX
582 hppa*-hp-hpux1[1-9]* )
584 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
588 rs6000-ibm-aix4.[23]* )
591 powerpc-ibm-aix4.[23]* )
594 rs6000-ibm-aix[56]* )
597 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
601 ## Silicon Graphics machines
605 # Without defining _LANGUAGE_C, things get masked out in the headers
606 # so that, for instance, grepping for `free' in stdlib.h fails and
607 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
608 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
613 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
614 | x86_64-*-solaris2* | x86_64-*-sunos5*)
615 case "${canonical}" in
617 amd64-*-*|x86_64-*-*) ;;
621 case "${canonical}" in
622 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
624 emacs_check_sunpro_c=yes
626 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
627 ## Note that Emacs 23.1's NEWS said the following would be dropped.
628 *-sunos5.6* | *-solaris2.6* )
632 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
633 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
635 emacs_check_sunpro_c=yes
638 ## Watch out for a compiler that we know will not work.
639 case "${canonical}" in
640 *-solaris* | *-sunos5* )
641 if [ "x$CC" = x/usr/ucb/cc ]; then
642 ## /usr/ucb/cc doesn't work;
643 ## we should find some other compiler that does work.
651 ## Intel 386 machines where we don't care about the manufacturer.
653 case "${canonical}" in
654 *-darwin* ) opsys=darwin ;;
657 # MinGW overrides and adds some system headers in nt/inc.
658 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
660 *-sysv4.2uw* ) opsys=unixware ;;
661 *-sysv5uw* ) opsys=unixware ;;
662 *-sysv5OpenUNIX* ) opsys=unixware ;;
663 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
669 case "${canonical}" in
672 # MinGW overrides and adds some system headers in nt/inc.
673 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
675 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
684 ### If the code above didn't choose an operating system, just choose
685 ### an operating system based on the configuration name. You really
686 ### only want to use this when you have no idea what the right
687 ### operating system is; if you know what operating systems a machine
688 ### runs, it's cleaner to make it explicit in the case statement
690 if test x"${opsys}" = x; then
691 case "${canonical}" in
692 *-gnu* ) opsys=gnu ;;
702 if test $unported = yes; then
703 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
704 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
705 Check `etc/MACHINES' for recognized configuration names.])
709 #### Choose a compiler.
711 dnl Don't bother to test for C89.
712 AC_DEFUN([_AC_PROG_CC_C89], [$2])
714 dnl Sets GCC=yes if using gcc.
715 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
716 if test -n "$XCRUN"; then
717 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
718 test -n "$AR" && export AR
721 dnl Emacs needs C99 or later.
726 if test x$GCC = xyes; then
727 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
729 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
732 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
733 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
734 dnl that clash with MinGW.
735 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
737 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
738 AC_DEFUN([gl_CRYPTO_CHECK])
739 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
740 # as we don't use them.
741 AC_DEFUN([gl_FCNTL_O_FLAGS])
743 # Initialize gnulib right after choosing the compiler.
744 dnl Amongst other things, this sets AR and ARFLAGS.
747 if test "$ac_test_CFLAGS" != set; then
748 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
749 # if -g3 works and the user does not specify CFLAGS.
750 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
753 emacs_g3_CFLAGS='-g3';;
755 emacs_g3_CFLAGS='-g3 -O2';;
759 if test -n "$emacs_g3_CFLAGS"; then
760 emacs_save_CFLAGS=$CFLAGS
761 CFLAGS=$emacs_g3_CFLAGS
762 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
763 [emacs_cv_prog_cc_g3],
764 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
765 [emacs_cv_prog_cc_g3=yes],
766 [emacs_cv_prog_cc_g3=no])])
767 if test $emacs_cv_prog_cc_g3 != yes; then
768 CFLAGS=$emacs_save_CFLAGS
770 if test $opsys = mingw32; then
771 CFLAGS="$CFLAGS -gdwarf-2"
778 # No optimization flag was inferred for this non-GCC compiler.
779 # Try -O. This is needed for xlc on AIX; see Bug#14258.
780 emacs_save_CFLAGS=$CFLAGS
781 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
783 AC_CACHE_CHECK([whether $CC accepts -O],
784 [emacs_cv_prog_cc_o],
785 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
786 [emacs_cv_prog_cc_o=yes],
787 [emacs_cv_prog_cc_o=no])])
788 if test $emacs_cv_prog_cc_o != yes; then
789 CFLAGS=$emacs_save_CFLAGS
794 AC_ARG_ENABLE([gcc-warnings],
795 [AS_HELP_STRING([--enable-gcc-warnings],
796 [turn on lots of GCC warnings/errors. This is intended for
797 developers, and may generate false alarms when used
798 with older or non-GNU development tools.])],
801 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
803 gl_gcc_warnings=$enableval],
807 # clang is unduly picky about some things.
808 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
815 [emacs_cv_clang=yes],
816 [emacs_cv_clang=no])])
818 # When compiling with GCC, prefer -isystem to -I when including system
819 # include files, to avoid generating useless diagnostics for the files.
820 if test "$gl_gcc_warnings" != yes; then
822 if test "$emacs_cv_clang" = yes
824 # Turn off some warnings if supported.
825 gl_WARN_ADD([-Wno-switch])
826 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
827 gl_WARN_ADD([-Wno-pointer-sign])
832 # This, $nw, is the list of warnings we disable.
835 case $with_x_toolkit in
836 lucid | athena | motif)
837 # Old toolkits mishandle 'const'.
838 nw="$nw -Wwrite-strings"
841 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
844 AC_SUBST([WERROR_CFLAGS])
846 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
847 nw="$nw -Woverlength-strings" # Not a problem these days
848 nw="$nw -Wlogical-op" # any use of fwrite provokes this
849 nw="$nw -Wformat-nonliteral" # we do this a lot
850 nw="$nw -Wvla" # warnings in gettext.h
851 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
852 nw="$nw -Wswitch-default" # Too many warnings for now
853 nw="$nw -Winline" # OK to ignore 'inline'
854 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
855 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
856 # signed overflow has undefined behavior
857 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
858 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
859 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
861 # Emacs doesn't care about shadowing; see
862 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
865 # Emacs's use of alloca inhibits protecting the stack.
866 nw="$nw -Wstack-protector"
868 # The following line should be removable at some point.
869 nw="$nw -Wsuggest-attribute=pure"
871 # This part is merely for shortening the command line,
872 # since -Wno-FOO needs to be added below regardless.
873 nw="$nw -Wmissing-field-initializers"
875 nw="$nw -Wtype-limits"
876 nw="$nw -Wunused-parameter"
878 if test $emacs_cv_clang = yes; then
879 nw="$nw -Wcast-align"
882 gl_MANYWARN_ALL_GCC([ws])
883 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
887 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
888 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
889 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
890 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
891 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
892 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
893 gl_WARN_ADD([-Wno-format-nonliteral])
895 # In spite of excluding -Wlogical-op above, it is enabled, as of
896 # gcc 4.5.0 20090517.
897 gl_WARN_ADD([-Wno-logical-op])
899 # More things that clang is unduly picky about.
900 if test $emacs_cv_clang = yes; then
901 gl_WARN_ADD([-Wno-format-extra-args])
902 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
903 gl_WARN_ADD([-Wno-unused-command-line-argument])
904 gl_WARN_ADD([-Wno-unused-value])
907 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
908 AH_VERBATIM([FORTIFY_SOURCE],
909 [/* Enable compile-time and run-time bounds-checking, and some warnings,
910 without upsetting glibc 2.15+. */
911 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
912 # define _FORTIFY_SOURCE 2
915 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
917 # We use a slightly smaller set of warning options for lib/.
918 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
920 nw="$nw -Wunused-macros"
922 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
923 AC_SUBST([GNULIB_WARN_CFLAGS])
933 AC_ARG_ENABLE(link-time-optimization,
934 [AS_HELP_STRING([--enable-link-time-optimization],
935 [build emacs with link-time optimization.
936 This requires GCC 4.5.0 or later, or clang.
937 (Note that clang support is experimental - see INSTALL.)
938 It also makes Emacs harder to debug, and when we tried it
939 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
940 recommended for typical use.])],
941 if test "${enableval}" != "no"; then
943 if test $emacs_cv_clang = yes; then
944 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
945 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
946 if test -x "$GOLD_PLUGIN"; then
949 elif test x$GCC = xyes; then
950 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
951 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
952 if test x$CPUS != x; then
958 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
960 if test -z "$LTO"; then
964 CFLAGS="$CFLAGS $LTO"
965 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
966 [ac_lto_supported=yes], [ac_lto_supported=no])
969 AC_MSG_RESULT([$ac_lto_supported])
970 if test "$ac_lto_supported" = "yes"; then
971 CFLAGS="$CFLAGS $LTO"
972 if test x$emacs_cv_clang = xyes; then
973 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
974 # WARNING: 'ar --plugin ...' doesn't work without
975 # command, so plugin name is appended to ARFLAGS.
976 ARFLAGS="cru --plugin $GOLD_PLUGIN"
977 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
979 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
980 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
981 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
982 dnl dump core on Fedora 20, so play it safe for now.
983 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
984 [CFLAGS="$CFLAGS -ffat-lto-objects"])
989 dnl Some other nice autoconf tests.
990 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
993 dnl if test "x$RANLIB" = x; then
998 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
999 dnl can be made to directories. This is not relevant for our usage, and
1000 dnl excludes some cases that work fine for us. Eg MS Windows or files
1001 dnl hosted on AFS, both examples where simple links work, but links to
1002 dnl directories fail. We use a cut-down version instead.
1005 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1006 rm -f conf$$ conf$$.file
1008 LN_S_FILEONLY='cp -p'
1010 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1011 dnl random program in the current directory.
1012 if (echo >conf$$.file) 2>/dev/null; then
1013 if ln -s conf$$.file conf$$ 2>/dev/null; then
1014 if test "$opsys" = "mingw32"; then
1015 LN_S_FILEONLY='/bin/ln -s'
1017 LN_S_FILEONLY='ln -s'
1019 elif ln conf$$.file conf$$ 2>/dev/null; then
1020 if test "$opsys" = "mingw32"; then
1021 LN_S_FILEONLY=/bin/ln
1028 rm -f conf$$ conf$$.file
1030 if test "$LN_S_FILEONLY" = "ln -s"; then
1031 AC_MSG_RESULT([yes])
1033 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1036 AC_SUBST(LN_S_FILEONLY)
1039 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1040 dnl doesn't support links to directories, as in "ln file dir". But that
1041 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1042 dnl executables at "make install" time.
1043 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1044 dnl for more details.
1045 if test "$opsys" = "mingw32"; then
1049 dnl On some Debian versions, "install-info" prints irritating messages
1050 dnl "This is not dpkg install-info anymore, but GNU install-info"
1051 dnl if called via an absolute file name.
1052 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1053 dnl Sadly some people may have an old ginstall-info installed on
1054 dnl non-Debian systems, so we can't use this.
1055 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1056 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1058 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1059 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1060 dnl Don't use GZIP, which is used by gzip for additional parameters.
1061 AC_PATH_PROG(GZIP_PROG, gzip)
1063 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1064 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1066 if test $opsys = gnu-linux; then
1067 AC_PATH_PROG(PAXCTL, paxctl,,
1068 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1069 if test "X$PAXCTL" != X; then
1070 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1071 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1072 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1073 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1076 if test "${SETFATTR+set}" != set; then
1077 AC_CACHE_CHECK([for setfattr],
1078 [emacs_cv_prog_setfattr],
1080 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1081 emacs_cv_prog_setfattr=yes
1083 emacs_cv_prog_setfattr=no
1085 if test "$emacs_cv_prog_setfattr" = yes; then
1091 AC_SUBST([SETFATTR])
1095 ## Need makeinfo >= 4.7 (?) to build the manuals.
1096 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1097 dnl By this stage, configure has already checked for egrep and set EGREP,
1098 dnl or exited with an error if no egrep was found.
1099 if test "$MAKEINFO" != "no"; then
1101 $MAKEINFO --version 2> /dev/null |
1102 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1108 ## Makeinfo is unusual. For a released Emacs, the manuals are
1109 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1110 ## therefore in the category of "special tools" not normally required, which
1111 ## configure does not have to check for (eg autoconf itself).
1112 ## In a repository checkout on the other hand, the manuals are not included.
1113 ## So makeinfo is a requirement to build from the repository, and configure
1114 ## should test for it as it does for any other build requirement.
1115 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1116 ## with pre-built manuals, from a repository checkout.
1119 if test "$MAKEINFO" = "no"; then
1121 if test "x${with_makeinfo}" = "xno"; then
1123 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1124 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1125 source tree does not seem to have pre-built manuals in the `info' directory.
1126 Either install a suitable version of makeinfo, or re-run configure
1127 with the `--without-makeinfo' option to build without the manuals.] )
1130 AC_SUBST(HAVE_MAKEINFO)
1132 if test $opsys = mingw32; then
1133 DOCMISC_W32=efaq-w32
1137 AC_SUBST(DOCMISC_W32)
1139 dnl Add our options to ac_link now, after it is set up.
1141 if test x$GCC = xyes; then
1142 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1143 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1145 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1146 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1149 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1150 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1151 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1152 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1153 dnl if not built to support GNU ld.
1155 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1156 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1157 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1158 dnl Eg "make LDFLAGS=... all" could run into problems,
1159 dnl http://bugs.debian.org/684788
1160 dnl * unnecessary, since temacs is the only thing that actually needs it.
1161 dnl Indeed this is where it was originally, prior to:
1162 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1163 late_LDFLAGS="$LDFLAGS"
1164 if test x$GCC = xyes; then
1165 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1167 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1170 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1172 AC_MSG_CHECKING([for -znocombreloc])
1173 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1174 [AC_MSG_RESULT(yes)],
1175 LDFLAGS_NOCOMBRELOC=
1176 [AC_MSG_RESULT(no)])
1178 LDFLAGS="$late_LDFLAGS"
1180 AC_CACHE_CHECK([whether addresses are sanitized],
1181 [emacs_cv_sanitize_address],
1184 [[#ifndef __has_feature
1185 #define __has_feature(f) 0
1187 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1189 error "Addresses are not sanitized.";
1192 [emacs_cv_sanitize_address=yes],
1193 [emacs_cv_sanitize_address=no])])
1195 dnl The function dump-emacs will not be defined and temacs will do
1196 dnl (load "loadup") automatically unless told otherwise.
1197 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1199 your-opsys-here) CANNOT_DUMP=yes ;;
1202 if test "$CANNOT_DUMP" = "yes"; then
1203 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1204 elif test "$emacs_cv_sanitize_address" = yes; then
1205 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1208 AC_SUBST(CANNOT_DUMP)
1211 UNEXEC_OBJ=unexelf.o
1213 # MSDOS uses unexcoff.o
1215 UNEXEC_OBJ=unexaix.o
1221 UNEXEC_OBJ=unexmacosx.o
1224 UNEXEC_OBJ=unexhp9k800.o
1227 UNEXEC_OBJ=unexw32.o
1230 # Use the Solaris dldump() function, called from unexsol.c, to dump
1231 # emacs, instead of the generic ELF dump code found in unexelf.c.
1232 # The resulting binary has a complete symbol table, and is better
1233 # for debugging and other observability tools (debuggers, pstack, etc).
1235 # If you encounter a problem using dldump(), please consider sending
1236 # a message to the OpenSolaris tools-linking mailing list:
1237 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1239 # It is likely that dldump() works with older Solaris too, but this has
1240 # not been tested, so for now this change is for Solaris 10 or newer.
1241 UNEXEC_OBJ=unexsol.o
1248 ## Let `ld' find image libs and similar things in /usr/local/lib.
1249 ## The system compiler, GCC, has apparently been modified to not
1250 ## look there, contrary to what a stock GCC would do.
1251 ### It's not our place to do this. See bug#10313#17.
1252 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1257 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1258 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1262 ### It's not our place to do this. See bug#10313#17.
1263 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1268 ## Han Boetes <han@boetes.org> says this is necessary,
1269 ## otherwise Emacs dumps core on elf systems.
1270 LD_SWITCH_SYSTEM="-Z"
1273 AC_SUBST(LD_SWITCH_SYSTEM)
1275 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1277 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1278 ## which has not been defined yet. When this was handled with cpp,
1279 ## it was expanded to null when configure sourced the s/*.h file.
1280 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1281 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1282 ## (or somesuch), but because it is supposed to go at the _front_
1283 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1284 ## Compare with the gnu-linux case below, which added to the end
1285 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1286 ## LD_SWITCH_SYSTEM_TEMACS.
1289 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1296 AC_CHECK_DECL([__ELF__])
1297 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1298 ## With ELF, make sure that all common symbols get allocated to in the
1299 ## data section. Otherwise, the dump of temacs may miss variables in
1300 ## the shared library that have been initialized. For example, with
1301 ## GNU libc, __malloc_initialized would normally be resolved to the
1302 ## shared library's .bss section, which is fatal.
1303 if test "x$GCC" = "xyes"; then
1304 C_SWITCH_MACHINE="-fno-common"
1306 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1309 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1310 dnl albeit under the mistaken assumption that said file
1311 dnl was no longer used.
1312 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1316 AC_SUBST(C_SWITCH_MACHINE)
1318 AC_SUBST(UNEXEC_OBJ)
1321 ## Some programs in src produce warnings saying certain subprograms
1322 ## are too complex and need a MAXMEM value greater than 2000 for
1323 ## additional optimization. --nils@exp-math.uni-essen.de
1324 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1325 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1326 if test "$opsys" = "mingw32"; then
1327 case "$canonical" in
1328 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1329 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1332 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1333 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1334 AC_SUBST(C_SWITCH_SYSTEM)
1339 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1340 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1342 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1344 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1346 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1348 ## Motif needs -lgen.
1349 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1352 AC_SUBST(LIBS_SYSTEM)
1354 ### Make sure subsequent tests use flags consistent with the build flags.
1356 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1357 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1359 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1362 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1363 AC_DEFUN([AC_TYPE_SIZE_T])
1364 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1365 AC_DEFUN([AC_TYPE_UID_T])
1367 # sqrt and other floating-point functions such as fmod and frexp
1368 # are found in -lm on many systems.
1370 AC_SEARCH_LIBS([sqrt], [m])
1371 if test "X$LIBS" = "X$OLD_LIBS"; then
1374 LIB_MATH=$ac_cv_search_sqrt
1378 dnl Current possibilities handled by sed (aix4-2 -> aix,
1379 dnl gnu-linux -> gnu/linux, etc.):
1380 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1381 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1382 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1389 ## Adding -lm confuses the dynamic linker, so omit it.
1392 freebsd | dragonfly )
1393 SYSTEM_TYPE=berkeley-unix
1395 gnu-linux | gnu-kfreebsd )
1397 hpux10-20 | hpux11 )
1401 SYSTEM_TYPE=windows-nt
1403 dnl NB this may be adjusted below.
1405 SYSTEM_TYPE=berkeley-unix
1409 SYSTEM_TYPE=usg-unix-v
1415 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1416 [The type of system you are compiling for; sets `system-type'.])
1419 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1420 pre_PKG_CONFIG_LIBS=$LIBS
1422 PKG_PROG_PKG_CONFIG(0.9.0)
1424 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1425 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1426 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1427 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1428 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1429 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1431 AC_DEFUN([EMACS_CHECK_MODULES],
1432 [PKG_CHECK_MODULES([$1], [$2],
1433 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1434 m4_default([$3], [HAVE_$1=yes])],
1435 [m4_default([$4], [HAVE_$1=no])])])
1438 if test "${with_sound}" != "no"; then
1439 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1440 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1441 have_sound_header=yes, [], [
1443 #define WIN32_LEAN_AND_MEAN
1444 #include <windows.h>
1447 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1448 AC_MSG_ERROR([OSS sound support requested but not found.])
1450 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1451 # Emulation library used on NetBSD.
1452 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1453 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1454 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1455 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1456 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1460 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1462 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1463 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1464 if test $HAVE_ALSA = yes; then
1465 SAVE_CFLAGS="$CFLAGS"
1467 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1468 LIBS="$ALSA_LIBS $LIBS"
1469 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1470 emacs_alsa_normal=yes,
1471 emacs_alsa_normal=no)
1472 if test "$emacs_alsa_normal" != yes; then
1473 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1474 [[snd_lib_error_set_handler (0);]])],
1475 emacs_alsa_subdir=yes,
1476 emacs_alsa_subdir=no)
1477 if test "$emacs_alsa_subdir" != yes; then
1478 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1480 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1483 CFLAGS="$SAVE_CFLAGS"
1485 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1486 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1487 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1488 elif test "${with_sound}" = "alsa"; then
1489 AC_MSG_ERROR([ALSA sound support requested but not found.])
1491 fi dnl with_sound = alsa|yes
1493 dnl Define HAVE_SOUND if we have sound support. We know it works and
1494 dnl compiles only on the specified platforms. For others, it
1495 dnl probably doesn't make sense to try.
1496 dnl FIXME So surely we should bypass this whole section if not using
1497 dnl one of these platforms?
1498 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1500 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1501 dnl Adjust the --with-sound help text if you change this.
1502 gnu-linux|freebsd|netbsd|mingw32)
1503 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1509 AC_SUBST(CFLAGS_SOUND)
1512 dnl checks for header files
1513 AC_CHECK_HEADERS_ONCE(
1517 sys/utsname.h pwd.h utmp.h util.h)
1519 AC_MSG_CHECKING(if personality LINUX32 can be set)
1520 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1521 emacs_cv_personality_linux32=yes,
1522 emacs_cv_personality_linux32=no)
1523 AC_MSG_RESULT($emacs_cv_personality_linux32)
1525 if test $emacs_cv_personality_linux32 = yes; then
1526 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1527 [Define to 1 if personality LINUX32 can be set.])
1530 dnl On Solaris 8 there's a compilation warning for term.h because
1531 dnl it doesn't define `bool'.
1532 AC_CHECK_HEADERS(term.h, , , -)
1534 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1536 if test $ac_cv_have_decl_sys_siglist != yes; then
1537 # For Tru64, at least:
1538 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1543 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1544 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1545 #if HAVE_SYS_SOCKET_H
1546 #include <sys/socket.h>
1548 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1549 #if HAVE_SYS_SOCKET_H
1550 #include <sys/socket.h>
1552 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1553 #if HAVE_SYS_SOCKET_H
1554 #include <sys/socket.h>
1557 dnl checks for structure members
1558 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1559 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1560 struct ifreq.ifr_addr,
1561 struct ifreq.ifr_addr.sa_len], , ,
1562 [AC_INCLUDES_DEFAULT
1563 #if HAVE_SYS_SOCKET_H
1564 #include <sys/socket.h>
1570 dnl Check for endianness.
1571 dnl AC_C_BIGENDIAN is done by gnulib.
1573 dnl check for Make feature
1578 dnl check if we have GCC and autodepend is on.
1579 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1580 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1581 SAVE_CFLAGS="$CFLAGS"
1582 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1583 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1584 CFLAGS="$SAVE_CFLAGS"
1585 test -f deps.d || ac_enable_autodepend=no
1587 AC_MSG_RESULT([$ac_enable_autodepend])
1588 if test $ac_enable_autodepend = yes; then
1589 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1590 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1591 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1592 deps_frag=autodeps.mk
1595 deps_frag=$srcdir/src/$deps_frag
1598 AC_SUBST_FILE(deps_frag)
1601 lisp_frag=$srcdir/src/lisp.mk
1602 AC_SUBST_FILE(lisp_frag)
1605 dnl checks for operating system services
1606 AC_SYS_LONG_FILE_NAMES
1608 #### Choose a window system.
1610 ## We leave window_system equal to none if
1611 ## we end up building without one. Any new window system should
1612 ## set window_system to an appropriate value and add objects to
1613 ## window-system-specific substs.
1617 if test "$no_x" != yes; then
1621 LD_SWITCH_X_SITE_RPATH=
1622 if test "${x_libraries}" != NONE; then
1623 if test -n "${x_libraries}"; then
1624 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1625 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1627 x_default_search_path=""
1628 x_search_path=${x_libraries}
1629 if test -z "${x_search_path}"; then
1630 x_search_path=/usr/lib
1632 for x_library in `echo ${x_search_path}: | \
1633 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1635 ${x_library}/X11/%L/%T/%N%C%S:\
1636 ${x_library}/X11/%l/%T/%N%C%S:\
1637 ${x_library}/X11/%T/%N%C%S:\
1638 ${x_library}/X11/%L/%T/%N%S:\
1639 ${x_library}/X11/%l/%T/%N%S:\
1640 ${x_library}/X11/%T/%N%S"
1641 if test x"${x_default_search_path}" = x; then
1642 x_default_search_path=${x_search_path}
1644 x_default_search_path="${x_search_path}:${x_default_search_path}"
1648 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1650 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1651 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1654 if test x"${x_includes}" = x; then
1655 bitmapdir=/usr/include/X11/bitmaps
1657 # accumulate include directories that have X11 bitmap subdirectories
1659 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1660 if test -d "${bmd}/X11/bitmaps"; then
1661 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1663 if test -d "${bmd}/bitmaps"; then
1664 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1667 if test ${bmd_acc} != "dummyval"; then
1668 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1675 tmp_CPPFLAGS="$CPPFLAGS"
1676 tmp_CFLAGS="$CFLAGS"
1677 CPPFLAGS="$CPPFLAGS -x objective-c"
1678 CFLAGS="$CFLAGS -x objective-c"
1681 if test "${with_ns}" != no; then
1682 if test "${opsys}" = darwin; then
1684 ns_appdir=`pwd`/nextstep/Emacs.app
1685 ns_appbindir=${ns_appdir}/Contents/MacOS
1686 ns_appresdir=${ns_appdir}/Contents/Resources
1687 ns_appsrc=Cocoa/Emacs.base
1688 elif test -f $GNUSTEP_CONFIG_FILE; then
1690 ns_appdir=`pwd`/nextstep/Emacs.app
1691 ns_appbindir=${ns_appdir}
1692 ns_appresdir=${ns_appdir}/Resources
1693 ns_appsrc=GNUstep/Emacs.base
1694 dnl FIXME sourcing this several times in subshells seems inefficient.
1695 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1696 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1697 dnl I seemed to need these as well with GNUstep-startup 0.25.
1698 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1699 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1700 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1701 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1702 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1703 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1704 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1705 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1706 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1707 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1708 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1709 dnl If they had chosen to either define it or not, we could have
1710 dnl just used AC_CHECK_DECL here.
1711 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1712 emacs_cv_objc_exceptions,
1713 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1714 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1718 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1719 if test $emacs_cv_objc_exceptions = yes; then
1720 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1721 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1722 [Define if GNUstep uses ObjC exceptions.])
1723 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1727 dnl This is only used while we test the NS headers, it gets reset below.
1728 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1730 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1731 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1732 files are missing or cannot be compiled.])])
1735 if test "${NS_IMPL_COCOA}" = "yes"; then
1736 AC_MSG_CHECKING([for OSX 10.4 or newer])
1737 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1739 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1740 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1743 error "OSX 10.4 or newer required";
1747 ns_osx_have_104=yes,
1749 AC_MSG_RESULT([$ns_osx_have_104])
1751 if test $ns_osx_have_104 = no; then
1752 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1754 AC_MSG_CHECKING([for OSX 10.5 or newer])
1755 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1757 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1758 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1761 error "OSX 10.5 not found";
1765 ns_osx_have_105=yes,
1767 AC_MSG_RESULT([$ns_osx_have_105])
1768 if test $ns_osx_have_105 = yes; then
1769 macfont_file="macfont.o"
1772 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1774 ns_have_nsinteger=yes,
1775 ns_have_nsinteger=no)
1776 if test $ns_have_nsinteger = yes; then
1777 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1781 AC_SUBST(LIBS_GNUSTEP)
1783 INSTALL_ARCH_INDEP_EXTRA=install-etc
1784 ns_self_contained=no
1787 if test "${HAVE_NS}" = yes; then
1788 if test "$with_toolkit_scroll_bars" = "no"; then
1789 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1792 window_system=nextstep
1793 # set up packaging dirs
1794 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1795 ns_self_contained=yes
1796 prefix=${ns_appresdir}
1797 exec_prefix=${ns_appbindir}
1798 dnl This one isn't really used, only archlibdir is.
1799 libexecdir="\${ns_appbindir}/libexec"
1800 archlibdir="\${ns_appbindir}/libexec"
1801 etcdocdir="\${ns_appresdir}/etc"
1802 etcdir="\${ns_appresdir}/etc"
1803 dnl FIXME maybe set datarootdir instead.
1804 dnl That would also get applications, icons, man.
1805 infodir="\${ns_appresdir}/info"
1806 mandir="\${ns_appresdir}/man"
1807 lispdir="\${ns_appresdir}/lisp"
1808 INSTALL_ARCH_INDEP_EXTRA=
1811 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1813 CFLAGS="$tmp_CFLAGS"
1814 CPPFLAGS="$tmp_CPPFLAGS"
1815 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1816 AC_SUBST(ns_self_contained)
1818 AC_SUBST(NS_OBJC_OBJ)
1829 if test "${with_w32}" != no; then
1832 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1833 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1834 cannot be found.])])
1837 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1840 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1845 if test "${opsys}" = "mingw32"; then
1846 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1847 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1848 #include <windows.h>
1849 #include <usp10.h>]],
1850 [[PIMAGE_NT_HEADERS pHeader;
1851 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1852 [emacs_cv_w32api=yes
1855 AC_MSG_RESULT($emacs_cv_w32api)
1856 if test "${emacs_cv_w32api}" = "no"; then
1857 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1868 if test "${HAVE_W32}" = "yes"; then
1869 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1870 AC_CHECK_TOOL(WINDRES, [windres],
1871 [AC_MSG_ERROR([No resource compiler found.])])
1872 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1873 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1874 EMACSRES="emacs.res"
1875 case "$canonical" in
1876 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1877 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1879 if test "${opsys}" = "cygwin"; then
1880 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1881 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1882 # Tell the linker that emacs.res is an object (which we compile from
1883 # the rc file), not a linker script.
1884 W32_RES_LINK="-Wl,emacs.res"
1886 UPDATE_MANIFEST=update-game-score.exe.manifest
1887 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1888 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1889 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1890 W32_RES_LINK="\$(EMACSRES)"
1891 CLIENTRES="emacsclient.res"
1892 CLIENTW="emacsclientw\$(EXEEXT)"
1893 FIRSTFILE_OBJ=firstfile.o
1896 LIBS_ECLIENT="-lcomctl32"
1897 LIB_WSOCK32="-lwsock32"
1898 NTLIB="ntlib.$ac_objext"
1899 XARGS_LIMIT="-s 10000"
1905 AC_SUBST(EMACS_MANIFEST)
1906 AC_SUBST(UPDATE_MANIFEST)
1909 AC_SUBST(W32_RES_LINK)
1910 AC_SUBST(FIRSTFILE_OBJ)
1913 AC_SUBST(LIBS_ECLIENT)
1914 AC_SUBST(LIB_WSOCK32)
1916 AC_SUBST(XARGS_LIMIT)
1918 if test "${HAVE_W32}" = "yes"; then
1923 ## $window_system is now set to the window system we will
1926 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1927 # Too many warnings for now.
1929 nw="$nw -Wsuggest-attribute=const"
1930 nw="$nw -Wsuggest-attribute=noreturn"
1931 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1933 gl_WARN_ADD([-Wno-unused-variable])
1934 gl_WARN_ADD([-Wno-unused-but-set-variable])
1935 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1943 case "${window_system}" in
1948 case "${with_x_toolkit}" in
1949 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1950 motif ) USE_X_TOOLKIT=MOTIF ;;
1952 term_header=gtkutil.h
1953 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1954 dnl USE_X_TOOLKIT is set.
1955 USE_X_TOOLKIT=none ;;
1956 gtk2 ) with_gtk2=yes
1957 term_header=gtkutil.h
1958 USE_X_TOOLKIT=none ;;
1959 gtk3 ) with_gtk3=yes
1960 term_header=gtkutil.h
1961 USE_X_TOOLKIT=none ;;
1962 no ) USE_X_TOOLKIT=none ;;
1963 dnl If user did not say whether to use a toolkit, make this decision later:
1964 dnl use the toolkit if we have gtk, or X11R5 or newer.
1965 * ) USE_X_TOOLKIT=maybe ;;
1969 term_header=nsterm.h
1972 term_header=w32term.h
1976 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1977 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1978 if test "$HAVE_XSERVER" = true ||
1979 test -n "$DISPLAY" ||
1980 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1981 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1982 were found. You should install the relevant development files for X
1983 and for the toolkit you want, such as Gtk+ or Motif. Also make
1984 sure you have development files for image handling, i.e.
1985 tiff, gif, jpeg, png and xpm.
1986 If you are sure you want Emacs compiled without X window support, pass
1992 # Does the opsystem file prohibit the use of the GNU malloc?
1993 # Assume not, until told otherwise.
1997 [whether malloc is Doug Lea style],
1998 [emacs_cv_var_doug_lea_malloc],
1999 [emacs_cv_var_doug_lea_malloc=no
2000 dnl Hooks do not work with address sanitization.
2001 if test "$emacs_cv_sanitize_address" != yes; then
2004 [[#include <malloc.h>
2005 static void hook (void) {}]],
2006 [[malloc_set_state (malloc_get_state ());
2007 __after_morecore_hook = hook;
2008 __malloc_initialize_hook = hook;]])],
2009 [emacs_cv_var_doug_lea_malloc=yes])])
2011 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2013 system_malloc=$emacs_cv_sanitize_address
2015 ## darwin ld insists on the use of malloc routines in the System framework.
2016 darwin|mingw32|sol2-10) system_malloc=yes ;;
2020 if test "${system_malloc}" = "yes"; then
2021 AC_DEFINE([SYSTEM_MALLOC], 1,
2022 [Define to 1 to use the system memory allocator, even if it is not
2026 (The GNU allocators don't work with this system configuration.)"
2029 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2030 VMLIMIT_OBJ=vm-limit.o
2032 AC_CHECK_HEADERS([sys/vlimit.h])
2033 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2036 [[extern char data_start[]; char ch;]],
2037 [[return data_start < &ch;]])],
2038 [emacs_cv_data_start=yes],
2039 [emacs_cv_data_start=no])])
2040 if test $emacs_cv_data_start = yes; then
2041 AC_DEFINE([HAVE_DATA_START], 1,
2042 [Define to 1 if data_start is the address of the start
2043 of the main data segment.])
2046 AC_SUBST(GMALLOC_OBJ)
2047 AC_SUBST(VMLIMIT_OBJ)
2049 if test "$doug_lea_malloc" = "yes" ; then
2050 if test "$GNU_MALLOC" = yes ; then
2052 (Using Doug Lea's new malloc from the GNU C Library.)"
2054 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2055 [Define to 1 if the system memory allocator is Doug Lea style,
2056 with malloc hooks and malloc_set_state.])
2058 ## Use mmap directly for allocating larger buffers.
2059 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2060 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2061 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2063 mingw32|gnu*) REL_ALLOC=no ;;
2067 if test x"${REL_ALLOC}" = x; then
2068 REL_ALLOC=${GNU_MALLOC}
2071 use_mmap_for_buffers=no
2073 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2077 if test $use_mmap_for_buffers = yes; then
2078 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2082 LIBS="$LIBS_SYSTEM $LIBS"
2084 dnl FIXME replace main with a function we actually want from this library.
2085 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2087 dnl Check for the POSIX thread library.
2089 if test "$opsys" != "mingw32"; then
2090 AC_CHECK_HEADERS_ONCE(pthread.h)
2091 if test "$ac_cv_header_pthread_h"; then
2092 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2093 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2094 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2095 if test "$GMALLOC_OBJ" = gmalloc.o; then
2096 emacs_pthread_function=pthread_atfork
2098 emacs_pthread_function=pthread_kill
2101 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2102 [AC_DEFINE([HAVE_PTHREAD], [1],
2103 [Define to 1 if you have pthread (-lpthread).])
2104 # Some systems optimize for single-threaded programs by default, and
2105 # need special flags to disable these optimizations. For example, the
2106 # definition of 'errno' in <errno.h>.
2109 AC_DEFINE([_REENTRANT], 1,
2110 [Define to 1 if your system requires this in multithreaded code.]);;
2112 AC_DEFINE([_THREAD_SAFE], 1,
2113 [Define to 1 if your system requires this in multithreaded code.]);;
2115 if test "X$LIBS" != "X$OLD_LIBS"; then
2116 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2120 AC_SUBST([LIB_PTHREAD])
2123 dnl Check for need for bigtoc support on IBM AIX
2127 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2129 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2130 *) gdb_cv_bigtoc=-bbigtoc ;;
2133 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2134 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2139 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2140 # is for the tests that follow. We set them back later on.
2142 REAL_CFLAGS="$CFLAGS"
2143 REAL_CPPFLAGS="$CPPFLAGS"
2146 if test "${HAVE_X11}" = "yes"; then
2147 DEFS="$C_SWITCH_X_SITE $DEFS"
2148 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2150 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2151 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2153 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2154 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2155 # but it's more convenient here to set LD_RUN_PATH since this
2156 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2157 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2158 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2162 if test "${opsys}" = "gnu-linux"; then
2163 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2164 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2165 [[XOpenDisplay ("foo");]])],
2166 [xgnu_linux_first_failure=no],
2167 [xgnu_linux_first_failure=yes])
2168 if test "${xgnu_linux_first_failure}" = "yes"; then
2169 OLD_CPPFLAGS="$CPPFLAGS"
2171 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2172 LIBS="$LIBS -b i486-linuxaout"
2173 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2174 [[XOpenDisplay ("foo");]])],
2175 [xgnu_linux_second_failure=no],
2176 [xgnu_linux_second_failure=yes])
2177 if test "${xgnu_linux_second_failure}" = "yes"; then
2178 # If we get the same failure with -b, there is no use adding -b.
2179 # So leave it out. This plays safe.
2182 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2183 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2186 CPPFLAGS=$OLD_CPPFLAGS
2193 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2194 # header files included from there.
2195 AC_MSG_CHECKING(for Xkb)
2196 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2197 #include <X11/XKBlib.h>]],
2198 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2199 emacs_xkb=yes, emacs_xkb=no)
2200 AC_MSG_RESULT($emacs_xkb)
2201 if test $emacs_xkb = yes; then
2202 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2205 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2206 XScreenNumberOfScreen)
2209 if test "${window_system}" = "x11"; then
2210 AC_MSG_CHECKING(X11 version 6)
2211 AC_CACHE_VAL(emacs_cv_x11_version_6,
2212 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2213 [[#if XlibSpecificationRelease < 6
2216 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2217 if test $emacs_cv_x11_version_6 = yes; then
2218 AC_MSG_RESULT(6 or newer)
2219 AC_DEFINE(HAVE_X11R6, 1,
2220 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2221 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2222 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2226 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2227 [Define if you have usable X11R6-style XIM support.])
2231 AC_MSG_RESULT(before 6)
2236 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2238 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2239 if test "${with_rsvg}" != "no"; then
2240 RSVG_REQUIRED=2.11.0
2241 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2243 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2244 AC_SUBST(RSVG_CFLAGS)
2247 if test $HAVE_RSVG = yes; then
2248 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2249 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2250 # Windows loads librsvg dynamically
2251 if test "${opsys}" = "mingw32"; then
2259 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2260 if test "${with_imagemagick}" != "no"; then
2261 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2262 ## 6.8.2 makes Emacs crash; see Bug#13867.
2263 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2264 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2265 AC_SUBST(IMAGEMAGICK_CFLAGS)
2266 AC_SUBST(IMAGEMAGICK_LIBS)
2268 if test $HAVE_IMAGEMAGICK = yes; then
2269 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2272 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2273 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2274 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2284 gtk_term_header=$term_header
2287 if test "${opsys}" != "mingw32"; then
2288 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2291 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2293 dnl Checks for libraries.
2294 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2295 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2296 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2297 AC_MSG_ERROR($GTK_PKG_ERRORS)
2299 if test "$pkg_check_gtk" = "yes"; then
2300 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2301 GTK_OBJ=emacsgtkfixed.o
2302 gtk_term_header=gtkutil.h
2303 USE_GTK_TOOLKIT="GTK3"
2304 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2305 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2306 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2307 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2308 [Define to 1 to disable Glib deprecation warnings.])
2312 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2316 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2319 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2321 dnl Checks for libraries.
2322 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2323 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2324 if test "$pkg_check_gtk" = "no" &&
2325 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2327 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2329 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2336 if test x"$pkg_check_gtk" = xyes; then
2339 CFLAGS="$CFLAGS $GTK_CFLAGS"
2340 LIBS="$GTK_LIBS $LIBS"
2341 dnl Try to compile a simple GTK program.
2342 AC_MSG_CHECKING([whether GTK compiles])
2346 [[/* Check the Gtk and Glib APIs. */
2347 #include <gtk/gtk.h>
2348 #include <glib-object.h>
2350 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2354 GtkSettings *gs = 0;
2355 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2356 strict C prohibits this. Use gtk_main_iteration to test that the
2357 libraries are there. */
2358 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2359 0, 0, 0, G_CALLBACK (callback), 0))
2360 gtk_main_iteration ();
2363 AC_MSG_RESULT([$GTK_COMPILES])
2364 if test "${GTK_COMPILES}" != "yes"; then
2366 if test "$USE_X_TOOLKIT" != "maybe"; then
2367 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2370 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2372 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2373 GTK_OBJ="gtkutil.o $GTK_OBJ"
2374 term_header=$gtk_term_header
2376 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2379 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2380 closing open displays. This is no problem if you just use
2381 one display, but if you use more than one and close one of them
2391 if test "${HAVE_GTK}" = "yes"; then
2393 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2394 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2395 if test "$with_toolkit_scroll_bars" != no; then
2396 with_toolkit_scroll_bars=yes
2399 dnl Check if we have the old file selection dialog declared and
2400 dnl in the link library. In 2.x it may be in the library,
2401 dnl but not declared if deprecated featured has been selected out.
2402 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2403 HAVE_GTK_FILE_SELECTION=no
2404 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2405 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2406 #include <gtk/gtk.h>])
2407 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2408 AC_CHECK_FUNCS(gtk_file_selection_new)
2411 dnl Same as above for gtk_handle_box.
2412 HAVE_GTK_HANDLE_BOX=no
2413 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2414 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2415 #include <gtk/gtk.h>])
2416 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2417 AC_CHECK_FUNCS(gtk_handle_box_new)
2420 dnl Same as above for gtk_tearoff_menu_item.
2421 HAVE_GTK_TEAROFF_MENU_ITEM=no
2422 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2423 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2424 #include <gtk/gtk.h>])
2425 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2426 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2429 dnl Check for functions introduced in 2.14 and later.
2430 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2431 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2432 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2433 gtk_orientable_set_orientation \
2434 gtk_window_set_has_resize_grip)
2436 term_header=gtkutil.h
2444 if test "${with_xwidgets}" != "no"; then
2445 echo "xwidgets enabled, checking webkit, and others"
2447 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2450 # - enable only if gtk/gtk3 enabled
2452 # - only webkit_osr is good so remove plain webkit laterish
2454 #webkit version for gtk3.
2455 WEBKIT_REQUIRED=1.4.0
2456 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2458 if test "${with_gtk3}" = "yes"; then
2459 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2460 if test $HAVE_WEBKIT = yes; then
2461 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2466 GIR_MODULES="gobject-introspection-1.0 >= $GIR_REQUIRED"
2467 PKG_CHECK_MODULES(GIR, $GIR_MODULES, HAVE_GIR=yes, HAVE_GIR=no)
2468 if test $HAVE_GIR = yes; then
2469 AC_DEFINE(HAVE_GIR, 1, [Define to 1 if you have GIR support.])
2478 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2479 dnl other platforms.
2482 if test "${with_dbus}" = "yes"; then
2483 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2484 if test "$HAVE_DBUS" = yes; then
2485 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2486 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2487 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2490 LIBS="$LIBS $DBUS_LIBS"
2491 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2492 dbus_type_is_valid \
2493 dbus_validate_bus_name \
2494 dbus_validate_path \
2495 dbus_validate_interface \
2496 dbus_validate_member)
2501 AC_SUBST(DBUS_CFLAGS)
2505 dnl GSettings has been tested under GNU/Linux only.
2507 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2508 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2509 if test "$HAVE_GSETTINGS" = "yes"; then
2511 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2513 LIBS="$LIBS $GSETTINGS_LIBS"
2514 AC_MSG_CHECKING([whether GSettings is in gio])
2517 [[/* Check that gsettings really is present. */
2518 #include <glib-object.h>
2519 #include <gio/gio.h>
2522 GSettings *settings;
2523 GVariant *val = g_settings_get_value (settings, "");
2525 [], HAVE_GSETTINGS=no)
2526 AC_MSG_RESULT([$HAVE_GSETTINGS])
2528 if test "$HAVE_GSETTINGS" = "yes"; then
2529 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2530 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2531 SETTINGS_LIBS="$GSETTINGS_LIBS"
2538 dnl GConf has been tested under GNU/Linux only.
2539 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2541 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2542 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2543 if test "$HAVE_GCONF" = yes; then
2544 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2545 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2546 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2547 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2551 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2552 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2553 if test "$HAVE_GOBJECT" = "yes"; then
2554 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2555 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2557 SAVE_CFLAGS="$CFLAGS"
2559 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2560 LIBS="$SETTINGS_LIBS $LIBS"
2561 CFLAGS="$SAVE_CFLAGS"
2564 AC_SUBST(SETTINGS_CFLAGS)
2565 AC_SUBST(SETTINGS_LIBS)
2568 dnl SELinux is available for GNU/Linux only.
2571 if test "${with_selinux}" = "yes"; then
2572 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2573 if test "$HAVE_LIBSELINUX" = yes; then
2574 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2575 LIBSELINUX_LIBS=-lselinux
2578 AC_SUBST(LIBSELINUX_LIBS)
2582 if test "${with_gnutls}" = "yes" ; then
2583 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
2584 [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
2585 if test "${HAVE_GNUTLS3}" = "yes"; then
2586 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2589 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2590 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2592 if test "${HAVE_GNUTLS}" = "yes"; then
2593 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2596 # Windows loads GnuTLS dynamically
2597 if test "${opsys}" = "mingw32"; then
2602 AC_SUBST(LIBGNUTLS_LIBS)
2603 AC_SUBST(LIBGNUTLS_CFLAGS)
2608 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2609 dnl a particular library. This doesn't make much sense?
2610 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2611 with_file_notification=no
2614 dnl MS Windows native file monitor is available for mingw32 only.
2615 case $with_file_notification,$opsys in
2616 w32,* | yes,mingw32)
2617 AC_CHECK_HEADER(windows.h)
2618 if test "$ac_cv_header_windows_h" = yes ; then
2619 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2620 NOTIFY_OBJ=w32notify.o
2621 NOTIFY_SUMMARY="yes (w32)"
2625 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2626 dnl has been added in glib 2.24. It has been tested under
2627 dnl GNU/Linux only. We take precedence over inotify, but this makes
2628 dnl only sense when glib has been compiled with inotify support. How
2630 case $with_file_notification,$NOTIFY_OBJ in
2632 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2633 if test "$HAVE_GFILENOTIFY" = "yes"; then
2634 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2635 NOTIFY_OBJ=gfilenotify.o
2636 NOTIFY_SUMMARY="yes -lgio (gfile)"
2640 dnl inotify is only available on GNU/Linux.
2641 case $with_file_notification,$NOTIFY_OBJ in
2643 AC_CHECK_HEADER(sys/inotify.h)
2644 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2645 AC_CHECK_FUNC(inotify_init1)
2646 if test "$ac_cv_func_inotify_init1" = yes; then
2647 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2648 NOTIFY_OBJ=inotify.o
2649 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2654 case $with_file_notification,$NOTIFY_OBJ in
2655 yes,* | no,* | *,?*) ;;
2656 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2659 if test -n "$NOTIFY_OBJ"; then
2660 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2662 AC_SUBST(NOTIFY_OBJ)
2663 AC_SUBST(GFILENOTIFY_CFLAGS)
2664 AC_SUBST(GFILENOTIFY_LIBS)
2666 dnl Do not put whitespace before the #include statements below.
2667 dnl Older compilers (eg sunos4 cc) choke on it.
2670 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2671 if test "$with_xaw3d" != no; then
2672 AC_CACHE_VAL(emacs_cv_xaw3d,
2673 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2674 #include <X11/Intrinsic.h>
2675 #include <X11/Xaw3d/Simple.h>]],
2677 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2678 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2679 emacs_cv_xaw3d=no)])
2683 if test $emacs_cv_xaw3d = yes; then
2684 AC_MSG_CHECKING(for xaw3d)
2685 AC_MSG_RESULT([yes; using Lucid toolkit])
2689 AC_DEFINE(HAVE_XAW3D, 1,
2690 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2692 AC_MSG_CHECKING(for xaw3d)
2694 AC_MSG_CHECKING(for libXaw)
2695 AC_CACHE_VAL(emacs_cv_xaw,
2696 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2697 #include <X11/Intrinsic.h>
2698 #include <X11/Xaw/Simple.h>]],
2702 if test $emacs_cv_xaw = yes; then
2703 AC_MSG_RESULT([yes; using Lucid toolkit])
2706 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2707 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2709 AC_MSG_ERROR([No X toolkit could be found.
2710 If you are sure you want Emacs compiled without an X toolkit, pass
2712 to configure. Otherwise, install the development libraries for the toolkit
2713 that you want to use (e.g. Gtk+) and re-run configure.])
2718 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2722 if test "${USE_X_TOOLKIT}" != "none"; then
2723 AC_MSG_CHECKING(X11 toolkit version)
2724 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2725 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2726 [[#if XtSpecificationRelease < 6
2729 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2730 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2731 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2732 AC_MSG_RESULT(6 or newer)
2733 AC_DEFINE(HAVE_X11XTR6, 1,
2734 [Define to 1 if you have the X11R6 or newer version of Xt.])
2735 LIBXTR6="-lSM -lICE"
2737 ## Use libw.a along with X11R6 Xt.
2738 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2741 AC_MSG_RESULT(before 6)
2744 dnl If using toolkit, check whether libXmu.a exists.
2745 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2747 if test x$HAVE_X11XTR6 = xyes; then
2748 OTHERLIBS='-lXt -lSM -lICE'
2752 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2753 if test "X$LIBS" != "X$OLDLIBS"; then
2754 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2757 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2763 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2764 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2765 if test -d /usr/include/openmotif; then
2766 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2767 emacs_cv_openmotif=yes
2768 case "$canonical" in
2769 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2770 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2773 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2776 emacs_cv_openmotif=no
2778 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2779 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2780 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2783 Motif version prior to 2.1.
2785 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2786 if test $emacs_cv_motif_version_2_1 = yes; then
2787 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2788 if test x$emacs_cv_openmotif = xyes; then
2789 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2792 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2793 # We put this in CFLAGS temporarily to precede other -I options
2794 # that might be in CFLAGS temporarily.
2795 # We put this in CPPFLAGS where it precedes the other -I options.
2796 OLD_CPPFLAGS=$CPPFLAGS
2798 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2799 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2800 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2802 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2803 if test $emacs_cv_lesstif = yes; then
2804 # Make sure this -I option remains in CPPFLAGS after it is set
2805 # back to REAL_CPPFLAGS.
2806 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2807 # have those other -I options anyway. Ultimately, having this
2808 # directory ultimately in CPPFLAGS will be enough.
2809 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2810 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2813 CPPFLAGS=$OLD_CPPFLAGS
2816 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2817 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2820 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2821 dnl using Motif or Xaw3d is available, and unless
2822 dnl --with-toolkit-scroll-bars=no was specified.
2824 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2825 [Define to 1 if we should use toolkit scroll bars.])dnl
2826 USE_TOOLKIT_SCROLL_BARS=no
2827 if test "${with_toolkit_scroll_bars}" != "no"; then
2828 if test "${USE_X_TOOLKIT}" != "none"; then
2829 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2830 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2832 USE_TOOLKIT_SCROLL_BARS=yes
2833 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2834 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2835 USE_TOOLKIT_SCROLL_BARS=yes
2837 elif test "${HAVE_GTK}" = "yes"; then
2838 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2839 USE_TOOLKIT_SCROLL_BARS=yes
2840 elif test "${HAVE_NS}" = "yes"; then
2841 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2842 USE_TOOLKIT_SCROLL_BARS=yes
2843 elif test "${HAVE_W32}" = "yes"; then
2844 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2845 USE_TOOLKIT_SCROLL_BARS=yes
2849 dnl See if XIM is available.
2850 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2851 #include <X11/Xlib.h>
2852 #include <X11/Xresource.h>]],
2853 [[XIMProc callback;]])],
2855 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2858 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2860 if test "${with_xim}" != "no"; then
2861 AC_DEFINE(USE_XIM, 1,
2862 [Define to 1 if we should use XIM, if it is available.])
2866 if test "${HAVE_XIM}" != "no"; then
2868 if test "$GCC" = yes; then
2869 CFLAGS="$CFLAGS --pedantic-errors"
2871 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2872 #include <X11/Xlib.h>
2873 #include <X11/Xresource.h>]],
2879 XPointer *client_data;
2881 /* If we're not using GCC, it's probably not XFree86, and this is
2882 probably right, but we can't use something like --pedantic-errors. */
2883 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2884 char*, XIMProc, XPointer*);
2886 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2888 [emacs_cv_arg6_star=yes])
2889 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2890 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2891 either XPointer or XPointer*.])dnl
2892 if test "$emacs_cv_arg6_star" = yes; then
2893 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2895 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2900 ### Start of font-backend (under any platform) section.
2901 # (nothing here yet -- this is a placeholder)
2902 ### End of font-backend (under any platform) section.
2904 ### Start of font-backend (under X11) section.
2905 if test "${HAVE_X11}" = "yes"; then
2906 ## Use -lXft if available, unless `--with-xft=no'.
2908 if test "x${with_x}" = "xno"; then
2912 if test "$with_xft" != no; then
2913 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2914 with_xft=$HAVE_FONTCONFIG
2917 if test "x${with_xft}" != "xno"; then
2919 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2920 ## Because xftfont.c uses XRenderQueryExtension, we also
2921 ## need to link to -lXrender.
2923 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2924 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2925 OLD_CPPFLAGS="$CPPFLAGS"
2926 OLD_CFLAGS="$CFLAGS"
2928 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2929 CFLAGS="$CFLAGS $XFT_CFLAGS"
2930 XFT_LIBS="-lXrender $XFT_LIBS"
2931 LIBS="$XFT_LIBS $LIBS"
2932 AC_CHECK_HEADER(X11/Xft/Xft.h,
2933 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2934 [[#include <X11/X.h>]])
2936 if test "${HAVE_XFT}" = "yes"; then
2937 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2939 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2940 fi # "${HAVE_XFT}" = "yes"
2941 CPPFLAGS=$OLD_CPPFLAGS
2944 fi # "$HAVE_XFT" != no
2945 fi # "x${with_xft}" != "xno"
2947 ## We used to allow building with FreeType and without Xft.
2948 ## However, the ftx font backend driver is not in good shape.
2949 if test "$HAVE_XFT" != "yes"; then
2950 dnl For the "Does Emacs use" message at the end.
2954 dnl Strict linkers fail with
2955 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2956 dnl if -lfreetype is not specified.
2957 dnl The following is needed to set FREETYPE_LIBS.
2958 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2960 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2964 if test "${HAVE_FREETYPE}" = "yes"; then
2965 AC_DEFINE(HAVE_FREETYPE, 1,
2966 [Define to 1 if using the freetype and fontconfig libraries.])
2967 if test "${with_libotf}" != "no"; then
2968 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2969 if test "$HAVE_LIBOTF" = "yes"; then
2970 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2971 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2972 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2973 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2974 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2975 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2976 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2980 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2981 dnl Does the new font backend require it, or can it work without it?
2985 if test "${HAVE_LIBOTF}" = yes; then
2986 if test "${with_m17n_flt}" != "no"; then
2987 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
2988 if test "$HAVE_M17N_FLT" = "yes"; then
2989 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3000 ### End of font-backend (under X11) section.
3002 AC_SUBST(FREETYPE_CFLAGS)
3003 AC_SUBST(FREETYPE_LIBS)
3004 AC_SUBST(FONTCONFIG_CFLAGS)
3005 AC_SUBST(FONTCONFIG_LIBS)
3006 AC_SUBST(LIBOTF_CFLAGS)
3007 AC_SUBST(LIBOTF_LIBS)
3008 AC_SUBST(M17N_FLT_CFLAGS)
3009 AC_SUBST(M17N_FLT_LIBS)
3011 ### Use -lXpm if available, unless `--with-xpm=no'.
3012 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3015 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3016 if test "${with_xpm}" != "no"; then
3017 SAVE_CPPFLAGS="$CPPFLAGS"
3018 SAVE_LDFLAGS="$LDFLAGS"
3019 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3020 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3021 AC_CHECK_HEADER(X11/xpm.h,
3022 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3023 if test "${HAVE_XPM}" = "yes"; then
3024 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3025 AC_EGREP_CPP(no_return_alloc_pixels,
3026 [#include "X11/xpm.h"
3027 #ifndef XpmReturnAllocPixels
3028 no_return_alloc_pixels
3030 ], HAVE_XPM=no, HAVE_XPM=yes)
3032 if test "${HAVE_XPM}" = "yes"; then
3033 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3037 CPPFLAGS="$SAVE_CPPFLAGS"
3038 LDFLAGS="$SAVE_LDFLAGS"
3043 if test "${HAVE_XPM}" = "yes"; then
3044 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3049 if test "${HAVE_X11}" = "yes"; then
3050 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3051 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3053 if test "${with_xpm}" != "no"; then
3054 AC_CHECK_HEADER(X11/xpm.h,
3055 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3056 if test "${HAVE_XPM}" = "yes"; then
3057 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3058 AC_EGREP_CPP(no_return_alloc_pixels,
3059 [#include "X11/xpm.h"
3060 #ifndef XpmReturnAllocPixels
3061 no_return_alloc_pixels
3063 ], HAVE_XPM=no, HAVE_XPM=yes)
3065 if test "${HAVE_XPM}" = "yes"; then
3073 if test "${HAVE_XPM}" = "yes"; then
3074 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3076 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3077 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3082 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3083 ### slightly different requirements wrt image libraries (it doesn't
3084 ### use -lXpm because it loads the xpm shared library dynamically at
3086 if test "${opsys}" = "mingw32"; then
3087 if test "${with_xpm}" != "no"; then
3088 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3092 if test "${HAVE_XPM}" = "yes"; then
3093 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3099 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3100 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3103 if test "${opsys}" = "mingw32"; then
3104 if test "${with_jpeg}" != "no"; then
3105 dnl Checking for jpeglib.h can lose because of a redefinition of
3107 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3109 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3110 if test "${HAVE_JPEG}" = "yes"; then
3111 AC_DEFINE(HAVE_JPEG)
3112 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3113 [#include <jpeglib.h>
3114 version=JPEG_LIB_VERSION
3116 [AC_DEFINE(HAVE_JPEG)],
3117 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3120 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3121 if test "${with_jpeg}" != "no"; then
3122 dnl Checking for jpeglib.h can lose because of a redefinition of
3124 AC_CHECK_HEADER(jerror.h,
3125 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3128 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3129 if test "${HAVE_JPEG}" = "yes"; then
3130 AC_DEFINE(HAVE_JPEG)
3131 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3132 [#include <jpeglib.h>
3133 version=JPEG_LIB_VERSION
3135 [AC_DEFINE(HAVE_JPEG)],
3136 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3139 if test "${HAVE_JPEG}" = "yes"; then
3147 if test "${with_zlib}" != "no"; then
3149 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3151 case $ac_cv_search_inflateEnd in
3152 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3155 if test "${HAVE_ZLIB}" = "yes"; then
3156 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3157 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3158 if test "${opsys}" = "mingw32"; then
3164 ### Use -lpng if available, unless `--with-png=no'.
3168 if test "${NS_IMPL_COCOA}" = yes; then
3170 elif test "${with_png}" != no; then
3171 # mingw32 loads the library dynamically.
3172 if test "$opsys" = mingw32; then
3173 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3174 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3175 AC_MSG_CHECKING([for png])
3176 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3177 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3178 # libpng-config does not work; configure by hand.
3179 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3180 # in /usr/include/libpng.
3181 if test -r /usr/include/libpng/png.h &&
3182 test ! -r /usr/include/png.h; then
3183 png_cflags=-I/usr/include/libpng
3191 CFLAGS="$CFLAGS $png_cflags"
3192 LIBS="$png_libs -lz -lm $LIBS"
3194 [AC_LANG_PROGRAM([[#include <png.h>]],
3195 [[return !png_get_channels (0, 0);]])],
3197 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3199 # $LIBPNG requires explicit -lz in some cases.
3200 # We don't know what those cases are, exactly, so play it safe and
3201 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3202 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3203 LIBPNG="$LIBPNG -lz"
3207 AC_MSG_RESULT([$HAVE_PNG])
3210 if test $HAVE_PNG = yes; then
3211 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3214 CFLAGS="$CFLAGS $PNG_CFLAGS"
3215 AC_CHECK_DECL([png_longjmp],
3217 [AC_DEFINE([PNG_DEPSTRUCT], [],
3218 [Define to empty to suppress deprecation warnings when building
3219 with --enable-gcc-warnings and with libpng versions before 1.5,
3220 which lack png_longjmp.])],
3226 AC_SUBST(PNG_CFLAGS)
3228 ### Use -ltiff if available, unless `--with-tiff=no'.
3229 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3232 if test "${opsys}" = "mingw32"; then
3233 if test "${with_tiff}" != "no"; then
3234 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3236 if test "${HAVE_TIFF}" = "yes"; then
3237 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3239 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3240 if test "${with_tiff}" != "no"; then
3241 AC_CHECK_HEADER(tiffio.h,
3243 # At least one tiff package requires the jpeg library.
3244 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3245 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3248 if test "${HAVE_TIFF}" = "yes"; then
3249 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3250 dnl FIXME -lz -lm, as per libpng?
3256 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3257 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3260 if test "${opsys}" = "mingw32"; then
3261 if test "${with_gif}" != "no"; then
3262 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3264 if test "${HAVE_GIF}" = "yes"; then
3265 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3267 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3268 || test "${HAVE_W32}" = "yes"; then
3269 AC_CHECK_HEADER(gif_lib.h,
3270 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3271 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3272 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3273 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3275 if test "$HAVE_GIF" = yes; then
3277 elif test "$HAVE_GIF" = maybe; then
3278 # If gif_lib.h but no libgif, try libungif.
3279 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3280 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3283 if test "${HAVE_GIF}" = "yes"; then
3284 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3289 dnl Check for required libraries.
3290 if test "${HAVE_X11}" = "yes"; then
3293 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3294 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3295 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3296 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3297 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3298 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3299 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3300 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3301 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3302 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3304 if test "X${MISSING}" != X; then
3305 AC_MSG_ERROR([The following required libraries were not found:
3307 Maybe some development libraries/packages are missing?
3308 If you don't want to link with them give
3310 as options to configure])
3314 ### Use -lgpm if available, unless `--with-gpm=no'.
3317 if test "${with_gpm}" != "no"; then
3318 AC_CHECK_HEADER(gpm.h,
3319 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3321 if test "${HAVE_GPM}" = "yes"; then
3322 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3328 dnl Check for malloc/malloc.h on darwin
3329 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3332 ### Use NeXTstep API to implement GUI.
3333 if test "${HAVE_NS}" = "yes"; then
3334 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3335 if test "${NS_IMPL_COCOA}" = "yes"; then
3336 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3338 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3339 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3340 # See also .m.o rule in Makefile.in */
3341 # FIXME: are all these flags really needed? Document here why. */
3342 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3343 ## Extra CFLAGS applied to src/*.m files.
3344 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3349 ### Use session management (-lSM -lICE) if available
3352 if test "${HAVE_X11}" = "yes"; then
3353 AC_CHECK_HEADER(X11/SM/SMlib.h,
3354 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3356 if test "${HAVE_X_SM}" = "yes"; then
3357 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3363 ### Use XRandr (-lXrandr) if available
3365 if test "${HAVE_X11}" = "yes"; then
3366 XRANDR_REQUIRED=1.2.2
3367 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3368 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3369 if test $HAVE_XRANDR = no; then
3370 # Test old way in case pkg-config doesn't have it (older machines).
3371 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3372 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3373 if test $HAVE_XRANDR = yes; then
3374 XRANDR_LIBS=-lXrandr
3377 if test $HAVE_XRANDR = yes; then
3378 SAVE_CFLAGS="$CFLAGS"
3380 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3381 LIBS="$XRANDR_LIBS $LIBS"
3382 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3383 CFLAGS="$SAVE_CFLAGS"
3386 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3389 AC_SUBST(XRANDR_CFLAGS)
3390 AC_SUBST(XRANDR_LIBS)
3392 ### Use Xinerama (-lXinerama) if available
3394 if test "${HAVE_X11}" = "yes"; then
3395 XINERAMA_REQUIRED=1.0.2
3396 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3397 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3398 if test $HAVE_XINERAMA = no; then
3399 # Test old way in case pkg-config doesn't have it (older machines).
3400 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3401 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3402 if test $HAVE_XINERAMA = yes; then
3403 XINERAMA_LIBS=-lXinerama
3406 if test $HAVE_XINERAMA = yes; then
3407 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3410 AC_SUBST(XINERAMA_CFLAGS)
3411 AC_SUBST(XINERAMA_LIBS)
3413 ### Use Xfixes (-lXfixes) if available
3415 if test "${HAVE_X11}" = "yes"; then
3416 XFIXES_REQUIRED=4.0.0
3417 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3418 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3419 if test $HAVE_XFIXES = no; then
3420 # Test old way in case pkg-config doesn't have it (older machines).
3421 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3422 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3423 if test $HAVE_XFIXES = yes; then
3424 XFIXES_LIBS=-lXfixes
3427 if test $HAVE_XFIXES = yes; then
3428 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3431 AC_SUBST(XFIXES_CFLAGS)
3432 AC_SUBST(XFIXES_LIBS)
3434 ### Use libxml (-lxml2) if available
3435 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3437 if test "${with_xml2}" != "no"; then
3438 ### I'm not sure what the version number should be, so I just guessed.
3439 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3440 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3441 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3442 SAVE_CPPFLAGS="$CPPFLAGS"
3443 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3444 AC_CHECK_HEADER(libxml/HTMLparser.h,
3445 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3446 [#include <libxml/HTMLparser.h>])])
3447 CPPFLAGS="$SAVE_CPPFLAGS"
3448 if test "${HAVE_LIBXML2}" = "yes"; then
3449 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3450 LIBXML2_LIBS="-lxml2"
3453 if test "${HAVE_LIBXML2}" = "yes"; then
3454 if test "${opsys}" != "mingw32"; then
3455 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3460 if test "${HAVE_LIBXML2}" = "yes"; then
3461 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3468 AC_SUBST(LIBXML2_LIBS)
3469 AC_SUBST(LIBXML2_CFLAGS)
3471 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3472 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3473 if test "${opsys}" = "mingw32"; then
3474 emacs_cv_netdb_declares_h_errno=yes
3476 AC_CACHE_CHECK(whether netdb declares h_errno,
3477 emacs_cv_netdb_declares_h_errno,
3478 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3479 [[return h_errno;]])],
3480 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3481 if test $emacs_cv_netdb_declares_h_errno = yes; then
3482 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3485 # Check for mail-locking functions in a "mail" library. Probably this should
3486 # have the same check as for liblockfile below.
3487 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3488 if test $have_mail = yes; then
3490 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3493 LIBS="$LIBS_MAIL $LIBS"
3494 AC_CHECK_FUNCS(touchlock)
3499 dnl Debian, at least:
3500 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3501 if test $have_lockfile = yes; then
3502 LIBS_MAIL=-llockfile
3503 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3505 # If we have the shared liblockfile, assume we must use it for mail
3506 # locking (e.g. Debian). If we couldn't link against liblockfile
3507 # (no liblockfile.a installed), ensure that we don't need to.
3508 dnl This works for files generally, not just executables.
3509 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3510 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3511 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3512 if test $ac_cv_prog_liblockfile = yes; then
3513 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3514 This probably means that movemail could lose mail.
3515 There may be a `development' package to install containing liblockfile.])
3518 AC_CHECK_HEADERS_ONCE(maillock.h)
3521 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3522 ## interlock access to the mail spool. The alternative is a lock file named
3523 ## /usr/spool/mail/$USER.lock.
3526 aix4-2) mail_lock="lockf" ;;
3528 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3530 ## On GNU/Linux systems, both methods are used by various mail programs.
3531 ## I assume most people are using newer mailers that have heard of flock.
3532 ## Change this if you need to.
3533 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3534 ## configure gets the right answers, and that means *NOT* using flock.
3535 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3536 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3537 ## Debian maintainer hasn't provided a clean fix for Emacs.
3538 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3539 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3540 ## correct logic. -- fx
3541 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3542 ## liblockfile is a Free Software replacement for libmail, used on
3543 ## Debian systems and elsewhere. -rfr.
3546 if test $have_mail = yes || test $have_lockfile = yes; then
3547 test $ac_cv_header_maillock_h = yes && mail_lock=no
3552 mail_lock="none-needed" ;;
3556 case "$mail_lock" in
3557 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3559 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3563 *) BLESSMAIL_TARGET="need-blessmail" ;;
3565 AC_SUBST(BLESSMAIL_TARGET)
3568 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3569 AC_CHECK_FUNCS(accept4 gethostname \
3570 getrusage get_current_dir_name \
3571 lrand48 random rint \
3572 select getpagesize setlocale \
3573 getrlimit setrlimit shutdown getaddrinfo \
3574 pthread_sigmask strsignal setitimer \
3575 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3577 getpwent endpwent getgrent endgrent \
3578 cfmakeraw cfsetspeed copysign __executable_start log2)
3581 dnl No need to check for aligned_alloc and posix_memalign if using
3582 dnl gmalloc.o, as it supplies them. Don't use these functions on
3583 dnl Darwin as they are incompatible with unexmacosx.c.
3584 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3585 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3588 dnl Cannot use AC_CHECK_FUNCS
3589 AC_CACHE_CHECK([for __builtin_unwind_init],
3590 emacs_cv_func___builtin_unwind_init,
3591 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3592 emacs_cv_func___builtin_unwind_init=yes,
3593 emacs_cv_func___builtin_unwind_init=no)])
3594 if test $emacs_cv_func___builtin_unwind_init = yes; then
3595 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3596 [Define to 1 if you have the `__builtin_unwind_init' function.])
3599 AC_CHECK_HEADERS_ONCE(sys/un.h)
3604 AC_CHECK_FUNCS(grantpt)
3606 # PTY-related GNU extensions.
3607 AC_CHECK_FUNCS(getpt posix_openpt)
3609 # Check this now, so that we will NOT find the above functions in ncurses.
3610 # That is because we have not set up to link ncurses in lib-src.
3611 # It's better to believe a function is not available
3612 # than to expect to find it in ncurses.
3613 # Also we need tputs and friends to be able to build at all.
3614 AC_MSG_CHECKING([for library containing tputs])
3615 # Run a test program that contains a call to tputs, a call that is
3616 # never executed. This tests whether a pre-'main' dynamic linker
3617 # works with the library. It's too much trouble to actually call
3618 # tputs in the test program, due to portability hassles. When
3619 # cross-compiling, assume the test program will run if it links.
3620 AC_DEFUN([tputs_link_source], [
3622 [[extern void tputs (const char *, int, int (*)(int));
3623 int main (int argc, char **argv)
3626 tputs (argv[0], 0, 0);
3630 if test "${opsys}" = "mingw32"; then
3633 # Maybe curses should be tried earlier?
3634 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3635 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3637 if test -z "$tputs_library"; then
3641 LIBS_TERMCAP=-l$tputs_library
3643 LIBS="$LIBS_TERMCAP $LIBS"
3645 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3646 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3648 if test "X$msg" != Xno; then
3653 AC_MSG_RESULT([$msg])
3654 if test "X$msg" = Xno; then
3655 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3656 The following libraries were tried (in order):
3657 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3658 Please try installing whichever of these libraries is most appropriate
3659 for your system, together with its header files.
3660 For example, a libncurses-dev(el) or similar package.])
3663 ## Use termcap instead of terminfo?
3664 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3666 ## FIXME? In the cases below where we unconditionally set
3667 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3668 ## if that was found above to have tputs.
3669 ## Should we use the gnu* logic everywhere?
3671 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3672 ## The ncurses library has been moved out of the System framework in
3673 ## Mac OS X 10.2. So if configure detects it, set the command-line
3674 ## option to use it.
3675 darwin) LIBS_TERMCAP="-lncurses" ;;
3677 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3680 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3681 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3682 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3683 [[#if __FreeBSD_version < 400000
3686 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3688 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3690 if test $emacs_cv_freebsd_terminfo = yes; then
3691 LIBS_TERMCAP="-lncurses"
3694 LIBS_TERMCAP="-ltermcap"
3704 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3706 LIBS_TERMCAP="-ltermcap"
3710 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3712 ## hpux: Make sure we get select from libc rather than from libcurses
3713 ## because libcurses on HPUX 10.10 has a broken version of select.
3714 ## We used to use -lc -lcurses, but this may be cleaner.
3715 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3716 # set that way, now it uses the default). Isn't this a contradiction?
3717 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3721 TERMCAP_OBJ=tparam.o
3722 if test $TERMINFO = yes; then
3723 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3724 TERMCAP_OBJ=terminfo.o
3726 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3727 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3729 AC_SUBST(LIBS_TERMCAP)
3730 AC_SUBST(TERMCAP_OBJ)
3733 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3734 # On Darwin, res_init appears not to be useful: see bug#562 and
3735 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3738 if test $opsys != darwin; then
3740 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3741 #include <arpa/nameser.h>
3742 #include <resolv.h>]],
3743 [[return res_init();]])],
3744 have_res_init=yes, have_res_init=no)
3745 if test "$have_res_init" = no; then
3747 LIBS="$LIBS -lresolv"
3748 AC_MSG_CHECKING(for res_init with -lresolv)
3749 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3750 #include <arpa/nameser.h>
3751 #include <resolv.h>]],
3752 [[return res_init();]])],
3753 have_res_init=yes, have_res_init=no)
3754 AC_MSG_RESULT($have_res_init)
3755 if test "$have_res_init" = yes ; then
3761 if test "$have_res_init" = yes; then
3762 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3766 # Do we need the Hesiod library to provide the support routines?
3767 dnl FIXME? Should we be skipping this on Darwin too?
3769 if test "$with_hesiod" != no ; then
3770 # Don't set $LIBS here -- see comments above. FIXME which comments?
3771 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3772 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3773 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3774 if test "$resolv" = yes ; then
3779 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3780 hesiod=yes, :, $RESOLVLIB)])
3782 if test x"$hesiod" = xyes; then
3788 # Do we need libresolv (due to res_init or Hesiod)?
3789 if test "$resolv" = yes && test $opsys != darwin; then
3796 # These tell us which Kerberos-related libraries to use.
3803 if test "${with_kerberos}" != no; then
3805 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3806 if test $have_com_err = yes; then
3807 COM_ERRLIB=-lcom_err
3808 LIBS="$COM_ERRLIB $LIBS"
3810 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3811 if test $have_crypto = yes; then
3813 LIBS="$CRYPTOLIB $LIBS"
3815 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3816 if test $have_k5crypto = yes; then
3817 CRYPTOLIB=-lk5crypto
3818 LIBS="$CRYPTOLIB $LIBS"
3820 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3821 if test $have_krb5=yes; then
3823 LIBS="$KRB5LIB $LIBS"
3825 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3826 if test "${with_kerberos5}" = no; then
3827 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3828 if test $have_des425 = yes; then
3830 LIBS="$DESLIB $LIBS"
3832 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3833 if test $have_des = yes; then
3835 LIBS="$DESLIB $LIBS"
3838 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3839 if test $have_krb4 = yes; then
3841 LIBS="$KRB4LIB $LIBS"
3843 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3844 if test $have_krb = yes; then
3846 LIBS="$KRB4LIB $LIBS"
3851 if test "${with_kerberos5}" != no; then
3852 AC_CHECK_HEADERS(krb5.h,
3853 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3854 [#include <krb5.h>])])
3856 AC_CHECK_HEADERS(krb.h,,
3857 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3858 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3860 AC_CHECK_HEADERS(com_err.h)
3864 AC_SUBST(COM_ERRLIB)
3870 AC_CHECK_HEADERS(valgrind/valgrind.h)
3872 AC_CHECK_FUNCS_ONCE(tzset)
3873 AC_MSG_CHECKING(whether localtime caches TZ)
3874 AC_CACHE_VAL(emacs_cv_localtime_cache,
3875 [if test x$ac_cv_func_tzset = xyes; then
3876 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3877 char TZ_GMT0[] = "TZ=GMT0";
3878 char TZ_PST8[] = "TZ=PST8";
3881 time_t now = time ((time_t *) 0);
3882 int hour_GMT0, hour_unset;
3883 if (putenv (TZ_GMT0) != 0)
3885 hour_GMT0 = localtime (&now)->tm_hour;
3887 hour_unset = localtime (&now)->tm_hour;
3888 if (putenv (TZ_PST8) != 0)
3890 if (localtime (&now)->tm_hour == hour_GMT0)
3893 if (localtime (&now)->tm_hour != hour_unset)
3896 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3897 [# If we have tzset, assume the worst when cross-compiling.
3898 emacs_cv_localtime_cache=yes])
3900 # If we lack tzset, report that localtime does not cache TZ,
3901 # since we can't invalidate the cache if we don't have tzset.
3902 emacs_cv_localtime_cache=no
3904 AC_MSG_RESULT($emacs_cv_localtime_cache)
3905 if test $emacs_cv_localtime_cache = yes; then
3906 AC_DEFINE(LOCALTIME_CACHE, 1,
3907 [Define to 1 if localtime caches TZ.])
3911 AC_CHECK_FUNC(socket, , ok_so_far=no)
3912 if test $ok_so_far = yes; then
3913 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3915 if test $ok_so_far = yes; then
3916 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3918 if test $ok_so_far = yes; then
3919 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3920 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3921 [Define to 1 if you have inet sockets.])
3926 AC_CHECK_FUNCS(snprintf)
3928 dnl Check for glib. This differs from other library checks in that
3929 dnl Emacs need not link to glib unless some other library is already
3930 dnl linking to glib. Although glib provides no facilities that Emacs
3931 dnl needs for its own purposes, when glib is present Emacs needs to
3932 dnl use primitives like g_main_context_query to avoid clashing with
3933 dnl glib at a low level.
3935 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3939 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3940 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3941 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3942 LIBS="$LIBS $GFILENOTIFY_LIBS"
3943 AC_MSG_CHECKING([whether GLib is linked in])
3944 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3947 [[g_print ("Hello world");]])],
3950 AC_MSG_RESULT([$links_glib])
3951 if test "${links_glib}" = "yes"; then
3952 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3953 if test "$HAVE_NS" = no;then
3961 dnl Adapted from Haible's version.
3962 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3963 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3964 [[char* cs = nl_langinfo(CODESET);]])],
3965 emacs_cv_langinfo_codeset=yes,
3966 emacs_cv_langinfo_codeset=no)
3968 if test $emacs_cv_langinfo_codeset = yes; then
3969 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3970 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3975 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3976 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3977 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3978 if test "$emacs_cv_c_restrict_arr" = yes; then
3979 AC_DEFINE(__restrict_arr, __restrict,
3980 [Define to compiler's equivalent of C99 restrict keyword in array
3981 declarations. Define as empty for no equivalent.])
3984 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3985 dnl how the tty code is related to POSIX and/or other versions of termios.
3986 dnl The following looks like a useful start.
3988 dnl AC_SYS_POSIX_TERMIOS
3989 dnl if test $ac_cv_sys_posix_termios = yes; then
3990 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3991 dnl and macros for terminal control.])
3992 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3995 dnl Turned on June 1996 supposing nobody will mind it.
3996 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3997 if test "${opsys}" != "mingw32"; then
3998 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3999 in the full name stands for the login id.])
4002 dnl Everybody supports this, except MS.
4003 dnl Seems like the kind of thing we should be testing for, though.
4004 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4005 if test "${opsys}" != "mingw32"; then
4006 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4009 dnl Everybody supports this, except MS-DOS.
4010 dnl Seems like the kind of thing we should be testing for, though.
4011 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4012 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4013 4.2-compatible sockets.])
4015 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4017 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4018 a null file, or a data sink.])
4019 if test "${opsys}" = "mingw32"; then
4020 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4022 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4025 if test "${opsys}" = "mingw32"; then
4030 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4031 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4032 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4033 dnl decides that a command-line argument to be passed to a MinGW program
4034 dnl is a PATH-style list of directories. But that heuristics plays it
4035 dnl safe, and only does the replacement when it is _absolutely_ sure it
4036 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4037 dnl which breaks in-tree builds. So we do this manually instead.
4038 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4039 dnl be computed as ':' in MSYS Bash.
4042 dnl Everybody supports this, except MS-DOS.
4043 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4045 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4048 AC_DEFINE(DIRECTORY_SEP, ['/'],
4049 [Character that separates directories in a file name.])
4051 if test "${opsys}" = "mingw32"; then
4052 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4053 [Returns true if character is a device separator.])
4055 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4056 [Returns true if character is a directory separator.])
4058 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4059 [Returns true if character is any form of separator.])
4061 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4062 [Returns true if character is a device separator.])
4064 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4065 [Returns true if character is a directory separator.])
4067 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4068 [Returns true if character is any form of separator.])
4071 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4075 dnl Unfortunately without libXmu we cannot support EditRes.
4076 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4077 AC_DEFINE(NO_EDITRES, 1)
4082 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4083 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4084 AC_DEFINE(NO_EDITRES, 1)
4090 irix6-5 | sol2* | unixware )
4091 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4092 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4093 dnl need the constant to dimension an array. So wire in the appropriate
4095 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4099 emacs_broken_SIGIO=no
4102 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4103 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4104 hpux* | irix6-5 | openbsd | sol2* | unixware )
4105 emacs_broken_SIGIO=yes
4109 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4110 dnl the way this system works, libc functions that return malloced
4111 dnl memory use the libc malloc implementation. Calling xfree or
4112 dnl xrealloc on the results of such functions results in a crash.
4114 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4115 dnl but that does not currently work on this system.
4117 dnl It is possible to completely override the malloc implementation on
4118 dnl AIX, but that involves putting the malloc functions in a shared
4119 dnl library and setting the MALLOCTYPE environment variable to point to
4120 dnl that shared library.
4122 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4123 dnl to avoid a crash just use the Emacs implementation for that function.
4125 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4126 dnl of this file, so that we do not check for get_current_dir_name
4127 dnl on AIX. But that might be fragile if something else ends
4128 dnl up testing for get_current_dir_name as a dependency.
4129 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4130 get_current_dir_name should not be used.])
4134 dnl Circumvent a bug in FreeBSD. In the following sequence of
4135 dnl writes/reads on a PTY, read(2) returns bogus data:
4137 dnl write(2) 1022 bytes
4138 dnl write(2) 954 bytes, get EAGAIN
4139 dnl read(2) 1024 bytes in process_read_output
4140 dnl read(2) 11 bytes in process_read_output
4142 dnl That is, read(2) returns more bytes than have ever been written
4143 dnl successfully. The 1033 bytes read are the 1022 bytes written
4144 dnl successfully after processing (for example with CRs added if the
4145 dnl terminal is set up that way which it is here). The same bytes will
4146 dnl be seen again in a later read(2), without the CRs.
4147 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4148 work around an issue when reading from a PTY.])
4154 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4155 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4160 darwin | dragonfly | freebsd | netbsd | openbsd )
4161 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4162 close a pty to make it a controlling terminal (it is already a
4163 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4167 dnl FIXME Surely we can test for this rather than hard-code it.
4169 netbsd | openbsd) sound_device="/dev/audio" ;;
4170 *) sound_device="/dev/dsp" ;;
4174 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4175 [Name of the default sound device.])
4178 dnl Emacs can read input using SIGIO and buffering characters itself,
4179 dnl or using CBREAK mode and making C-g cause SIGINT.
4180 dnl The choice is controlled by the variable interrupt_input.
4182 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4184 dnl Emacs uses the presence of the USABLE_SIGIO macro
4185 dnl to indicate whether or not signal-driven I/O is possible. It uses
4186 dnl INTERRUPT_INPUT to decide whether to use it by default.
4188 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4189 dnl CBREAK mode has two disadvantages
4190 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4191 dnl I hear that in system V this problem does not exist.
4192 dnl 2) Control-G causes output to be discarded.
4193 dnl I do not know whether this can be fixed in system V.
4195 dnl Another method of doing input is planned but not implemented.
4196 dnl It would have Emacs fork off a separate process
4197 dnl to read the input and send it to the true Emacs process
4200 darwin | gnu-linux | gnu-kfreebsd )
4201 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4206 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4207 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4208 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4209 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4210 dnl taking float or double parameters.
4212 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4213 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4214 file defines `NeedWidePrototypes' as `NO'.])
4219 dnl Used in process.c, this must be a loop, even if it only runs once.
4220 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4221 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4222 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4223 dnl trying suffixes 0-16.
4224 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4225 first PTY, if PTYs are supported.])
4226 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4227 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4228 end of a PTY, if non-standard.])
4229 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4230 end of a PTY, if non-standard.])
4234 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4235 dnl You allocate a pty by opening /dev/ptc to get the master side.
4236 dnl To get the name of the slave side, you just ttyname() the master side.
4237 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4238 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4242 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4243 dnl multi-line AC_DEFINEs are hard. :(
4244 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)])
4245 AC_DEFINE(PTY_NAME_SPRINTF, [])
4246 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4249 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4251 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4252 dnl Not used, because PTY_ITERATION is defined.
4253 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4254 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4255 dnl But we don't have to block SIGCHLD because it is blocked in the
4256 dnl implementation of grantpt.
4257 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4258 AC_DEFINE(PTY_NAME_SPRINTF, [])
4259 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4263 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4266 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4268 if test "x$ac_cv_func_grantpt" = xyes; then
4269 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4270 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4271 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4272 dnl to prevent sigchld_handler from intercepting the child's death.
4273 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); }])
4274 dnl if HAVE_POSIX_OPENPT
4275 if test "x$ac_cv_func_posix_openpt" = xyes; then
4276 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4277 AC_DEFINE(PTY_NAME_SPRINTF, [])
4279 elif test "x$ac_cv_func_getpt" = xyes; then
4280 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4281 AC_DEFINE(PTY_NAME_SPRINTF, [])
4283 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4286 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4291 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4292 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4293 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4297 dnl It looks like this cannot be right, because it is not a loop.
4298 dnl However, process.c actually does this:
4304 dnl which presumably makes it OK, since irix == sgi (?).
4305 dnl FIXME it seems like this special treatment is unnecessary?
4306 dnl Why can't irix use a single-trip loop like eg cygwin?
4307 AC_DEFINE(PTY_ITERATION, [])
4308 dnl Not used, because PTY_ITERATION is defined.
4309 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4310 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); }])
4311 dnl No need to get the pty name at all.
4312 AC_DEFINE(PTY_NAME_SPRINTF, [])
4313 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4314 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4318 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4319 dnl from intercepting that death. If any child but grantpt's should die
4320 dnl within, it should be caught after sigrelse(2).
4321 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); }])
4325 dnl Comments are as per sol2*.
4326 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); }])
4333 dnl This change means that we don't loop through allocate_pty too
4334 dnl many times in the (rare) event of a failure.
4335 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4336 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4337 dnl Push various streams modules onto a PTY channel. Used in process.c.
4338 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.])
4343 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4344 "typing" a signal character on the pty.])
4347 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4348 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4349 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4350 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4353 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4354 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4355 gnu-linux | gnu-kfreebsd )
4357 AC_MSG_CHECKING([for signals via characters])
4358 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4359 #include <linux/version.h>
4360 #if LINUX_VERSION_CODE < 0x20400
4361 # error "Linux version too old"
4363 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4365 AC_MSG_RESULT([$emacs_signals_via_chars])
4366 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4371 AH_TEMPLATE(TAB3, [Undocumented.])
4374 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4376 gnu | dragonfly | freebsd | netbsd | openbsd )
4377 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4378 AC_DEFINE(TAB3, OXTABS)
4381 gnu-linux | gnu-kfreebsd )
4382 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4386 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4387 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4388 [Mark a secondary stack, like the register stack on the ia64.]), [])
4392 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4393 run_time_remap; for HPUX.])
4398 dnl This won't be used automatically yet. We also need to know, at least,
4399 dnl that the stack is continuous.
4400 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4401 registers relevant for conservative garbage collection in the jmp_buf.])
4405 dnl Not all the architectures are tested, but there are Debian packages
4406 dnl for SCM and/or Guile on them, so the technique must work. See also
4407 dnl comments in alloc.c concerning setjmp and gcc.
4408 dnl Fixme: it's probably safe to just use the GCC conditional below.
4409 gnu-linux | gnu-kfreebsd )
4410 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4411 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4412 || defined __alpha__ || defined __mips__ || defined __s390__ \
4413 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4414 || defined __ia64__ || defined __sh__
4417 # error "setjmp not known to work on this arch"
4419 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4424 if test x$GCC = xyes; then
4425 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4426 AC_DEFINE(GC_SETJMP_WORKS, 1)
4429 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4430 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4431 AC_DEFINE(GC_SETJMP_WORKS, 1)
4436 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4437 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4440 [[#include <setjmp.h>
4442 # define _longjmp longjmp
4447 _longjmp (j, 1);]])],
4448 [emacs_cv_func__setjmp=yes],
4449 [emacs_cv_func__setjmp=no])])
4450 if test $emacs_cv_func__setjmp = yes; then
4451 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4453 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4456 [[#include <setjmp.h>
4459 if (! sigsetjmp (j, 1))
4460 siglongjmp (j, 1);]])],
4461 [emacs_cv_func_sigsetjmp=yes],
4462 [emacs_cv_func_sigsetjmp=no])])
4463 if test $emacs_cv_func_sigsetjmp = yes; then
4464 AC_DEFINE([HAVE_SIGSETJMP], 1,
4465 [Define to 1 if sigsetjmp and siglongjmp work.
4466 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4472 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4473 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4474 dnl and this is all we need.
4475 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4482 dnl Used in xfaces.c.
4483 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4484 some systems, where it requires time.h.])
4489 dnl Define symbols to identify the version of Unix this is.
4490 dnl Define all the symbols that apply correctly.
4491 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4492 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4493 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4494 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4499 dnl This symbol should be defined on AIX Version 3 ???????
4500 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4502 # error "_AIX not defined"
4504 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4508 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4512 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4513 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4514 dnl distinguish OS X from pure Darwin.
4515 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4518 gnu-linux | gnu-kfreebsd )
4520 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4525 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4530 AC_DEFINE(USG5_4, [])
4531 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4535 AC_DEFINE(DOS_NT, [])
4536 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4537 if test "x$ac_enable_checking" != "x" ; then
4538 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4544 AC_DEFINE(USG5_4, [])
4545 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4550 AC_DEFINE(USG5_4, [])
4554 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4557 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4558 emacs_cv_usable_FIONREAD=no
4562 emacs_cv_usable_FIONREAD=yes
4567 [AC_LANG_PROGRAM([[#include <sys/types.h>
4568 #include <sys/ioctl.h>
4570 # include <sys/filio.h>
4573 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4574 [emacs_cv_usable_FIONREAD=yes],
4575 [emacs_cv_usable_FIONREAD=no])
4578 if test $emacs_cv_usable_FIONREAD = yes; then
4579 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4581 if test $emacs_broken_SIGIO = no; then
4582 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4584 [AC_LANG_PROGRAM([[#include <fcntl.h>
4587 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4588 [emacs_cv_usable_SIGIO=yes],
4589 [emacs_cv_usable_SIGIO=no])],
4590 [emacs_cv_usable_SIGIO=yes],
4591 [emacs_cv_usable_SIGIO=no])
4592 if test $emacs_cv_usable_SIGIO = yes; then
4593 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4600 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4601 dnl and on Cygwin prior to version 1.7.24 that becomes the
4602 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4603 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4604 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4605 dnl needed starting with cygwin-1.7.24, and it is no longer
4606 dnl effective starting with glib-2.36. */
4608 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4609 G_SLICE environment variable to "always-malloc" at startup.])
4613 dnl It works to open the pty's tty in the parent (Emacs), then
4614 dnl close and reopen it in the child.
4615 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4616 works to open a pty's tty in the parent process, then close and
4617 reopen it in the child.])
4621 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4622 use VSUSP instead of VSWTCH.])
4626 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4631 # Set up the CFLAGS for real compilation, so we can substitute it.
4632 CFLAGS="$REAL_CFLAGS"
4633 CPPFLAGS="$REAL_CPPFLAGS"
4636 ## Hack to detect a buggy GCC version.
4637 if test "x$GCC" = xyes \
4638 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4639 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4640 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4641 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4644 version=$PACKAGE_VERSION
4646 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4647 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4648 [Short copyright string for this version of Emacs.])
4651 ### Specify what sort of things we'll be editing into Makefile and config.h.
4652 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4654 AC_SUBST(configuration)
4659 AC_SUBST(exec_prefix)
4662 AC_SUBST(sharedstatedir)
4663 AC_SUBST(libexecdir)
4667 AC_SUBST(standardlisppath)
4668 AC_SUBST(locallisppath)
4670 AC_SUBST(x_default_search_path)
4672 AC_SUBST(archlibdir)
4677 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4678 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4679 ## end of LIBX_BASE, but nothing ever set it.
4680 AC_SUBST(LD_SWITCH_X_SITE)
4681 AC_SUBST(C_SWITCH_X_SITE)
4682 AC_SUBST(GNUSTEP_CFLAGS)
4684 ## Used in lwlib/Makefile.in.
4685 AC_SUBST(X_TOOLKIT_TYPE)
4687 AC_SUBST(ns_appbindir)
4688 AC_SUBST(ns_appresdir)
4690 AC_SUBST(GNU_OBJC_CFLAGS)
4691 AC_SUBST(OTHER_FILES)
4693 if test -n "${term_header}"; then
4694 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4695 [Define to the header for the built-in window system.])
4698 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4699 [Define to the canonical Emacs configuration name.])
4700 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4701 [Define to the options passed to configure.])
4702 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4703 define this to include extra configuration information.])
4707 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4714 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4715 AC_DEFINE(HAVE_X_WINDOWS, 1,
4716 [Define to 1 if you want to use the X window system.])
4718 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4720 if test "$HAVE_XFT" = "yes"; then
4721 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4722 elif test "$HAVE_FREETYPE" = "yes"; then
4723 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4733 if test "${USE_X_TOOLKIT}" != "none" ; then
4735 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4736 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4737 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4738 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4739 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4743 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4744 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4748 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4749 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4750 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4754 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4755 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4758 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4761 AC_SUBST(WIDGET_OBJ)
4764 case "$USE_X_TOOLKIT" in
4765 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4766 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4767 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
4769 AC_SUBST(TOOLKIT_LIBW)
4771 if test "${opsys}" != "mingw32"; then
4772 if test "$USE_X_TOOLKIT" = "none"; then
4773 LIBXT_OTHER="\$(LIBXSM)"
4775 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4778 AC_SUBST(LIBXT_OTHER)
4780 if test "${HAVE_X11}" = "yes" ; then
4781 AC_DEFINE(HAVE_X11, 1,
4782 [Define to 1 if you want to use version 11 of X windows.])
4783 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4787 AC_SUBST(LIBX_OTHER)
4789 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4791 elif test "$USE_X_TOOLKIT" = none; then
4792 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4794 LIBXMENU='$(lwlibdir)/liblw.a'
4798 if test "${GNU_MALLOC}" = "yes" ; then
4799 AC_DEFINE(GNU_MALLOC, 1,
4800 [Define to 1 if you want to use the GNU memory allocator.])
4804 if test "${REL_ALLOC}" = "yes" ; then
4805 AC_DEFINE(REL_ALLOC, 1,
4806 [Define REL_ALLOC if you want to use the relocating allocator for
4809 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4811 AC_SUBST(RALLOC_OBJ)
4813 if test "$opsys" = "cygwin"; then
4814 CYGWIN_OBJ="sheap.o cygw32.o"
4815 ## Cygwin differs because of its unexec().
4817 POST_ALLOC_OBJ=lastfile.o
4818 elif test "$opsys" = "mingw32"; then
4821 POST_ALLOC_OBJ=lastfile.o
4824 PRE_ALLOC_OBJ=lastfile.o
4827 AC_SUBST(CYGWIN_OBJ)
4828 AC_SUBST(PRE_ALLOC_OBJ)
4829 AC_SUBST(POST_ALLOC_OBJ)
4831 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4832 dnl verbatim defined above. The tricky name is apropos, as this hack
4833 dnl makes Fortify go sour!
4834 AH_VERBATIM([FORTIFY_SOUR],
4835 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4836 The workaround disables some useful run-time checking, so it
4837 should be conditional to the platforms with the performance bug.
4838 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4839 #if defined __APPLE__ && defined __GNUC__
4840 # ifndef _DONT_USE_CTYPE_INLINE_
4841 # define _DONT_USE_CTYPE_INLINE_
4843 # ifndef _FORTIFY_SOURCE
4844 # define _FORTIFY_SOURCE 0
4849 # If user asks to omit features, disable optional features that gnulib
4850 # might otherwise enable.
4851 if test "$with_features" = no && test "$enable_acl" != yes; then
4855 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4856 # it temporarily reverts them to their pre-pkg-config values,
4857 # because gnulib needs to work with both src (which uses the
4858 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4859 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4860 # and it therefore needs to run in an environment where LIBS does not
4861 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4862 # for some package unrelated to lib-src.
4865 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4866 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4867 gl_ASSERT_NO_GNULIB_POSIXCHECK
4868 gl_ASSERT_NO_GNULIB_TESTS
4873 if test "${opsys}" = "mingw32"; then
4874 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4875 # Remove unneeded switches from the value of CC that goes to Makefiles
4876 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4880 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4883 ## The -headerpad option tells ld (see man page) to leave room at the
4884 ## end of the header for adding load commands. Needed for dumping.
4885 ## 0x690 is the total size of 30 segment load commands (at 56
4886 ## each); under Cocoa 31 commands are required.
4887 if test "$HAVE_NS" = "yes"; then
4888 libs_nsgui="-framework AppKit"
4889 if test "$NS_IMPL_COCOA" = "yes"; then
4890 libs_nsgui="$libs_nsgui -framework IOKit"
4897 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4899 ## This is here because src/Makefile.in did some extra fiddling around
4900 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4901 ## LD_SWITCH_SYSTEM_TEMACS instead,
4902 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4903 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4906 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4907 ## find X at run-time.
4908 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4909 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4910 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4911 ## had different values in configure (in ac_link) and src/Makefile.in.
4912 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4913 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4916 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4917 case "$canonical" in
4918 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4919 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4923 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4925 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4928 if test x$ac_enable_profiling != x ; then
4930 *freebsd | gnu-linux) ;;
4931 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4935 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4937 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4939 ## Common for all window systems
4940 if test "$window_system" != "none"; then
4941 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4942 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4943 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4946 AC_SUBST(WINDOW_SYSTEM_OBJ)
4948 AH_TOP([/* GNU Emacs site configuration template file.
4950 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4951 Free Software Foundation, Inc.
4953 This file is part of GNU Emacs.
4955 GNU Emacs is free software: you can redistribute it and/or modify
4956 it under the terms of the GNU General Public License as published by
4957 the Free Software Foundation, either version 3 of the License, or
4958 (at your option) any later version.
4960 GNU Emacs is distributed in the hope that it will be useful,
4961 but WITHOUT ANY WARRANTY; without even the implied warranty of
4962 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4963 GNU General Public License for more details.
4965 You should have received a copy of the GNU General Public License
4966 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4969 /* No code in Emacs #includes config.h twice, but some bits of code
4970 intended to work with other packages as well (like gmalloc.c)
4971 think they can include it as many times as they like. */
4972 #ifndef EMACS_CONFIG_H
4973 #define EMACS_CONFIG_H
4976 AH_BOTTOM([#include <conf_post.h>
4978 #endif /* EMACS_CONFIG_H */
4987 #### Report on what we decided to do.
4988 #### Report GTK as a toolkit, even if it doesn't use Xt.
4989 #### It makes printing result more understandable as using GTK sets
4990 #### toolkit_scroll_bars to yes by default.
4991 if test "${HAVE_GTK}" = "yes"; then
4992 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4995 if test $USE_ACL -ne 0; then
4996 ACL_SUMMARY="yes $LIB_ACL"
5002 Configured for \`${canonical}'.
5004 Where should the build process find the source code? ${srcdir}
5005 What compiler should emacs be built with? ${CC} ${CFLAGS}
5006 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5007 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5008 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5009 What window system should Emacs use? ${window_system}
5010 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5012 if test -n "${x_includes}"; then
5013 echo " Where do we find X Windows header files? ${x_includes}"
5015 echo " Where do we find X Windows header files? Standard dirs"
5017 if test -n "${x_libraries}"; then
5018 echo " Where do we find X Windows libraries? ${x_libraries}"
5020 echo " Where do we find X Windows libraries? Standard dirs"
5024 emacs_config_features=
5025 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5026 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5030 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5031 *) eval val=\${HAVE_$opt} ;;
5033 test x"$val" = xno && continue
5034 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5037 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5038 [Summary of some of the main features enabled by configure.])
5040 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5041 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5042 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5043 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5044 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5045 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5046 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5047 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5049 echo " Does Emacs support sound? ${HAVE_SOUND}"
5051 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5052 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5053 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5054 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5055 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5056 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5057 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5058 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5059 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5061 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5062 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5063 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5064 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5065 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5067 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5069 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
5070 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
5071 echo " Does xwidgets support gobject introspection? ${HAVE_GIR}"
5074 if test -n "${EMACSDATA}"; then
5075 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5077 if test -n "${EMACSDOC}"; then
5078 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5083 if test "$HAVE_NS" = "yes"; then
5085 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5086 The installed application will go to nextstep/Emacs.app and can be
5087 run or moved from there."
5088 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5089 echo "The application will be fully self-contained."
5091 echo "The lisp resources for the application will be installed under ${prefix}.
5092 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5093 to run if these resources are not installed."
5098 if test "${opsys}" = "cygwin"; then
5100 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5106 # Remove any trailing slashes in these variables.
5107 [test "${prefix}" != NONE &&
5108 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5109 test "${exec_prefix}" != NONE &&
5110 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5112 if test "$HAVE_NS" = "yes"; then
5113 if test "$NS_IMPL_GNUSTEP" = yes; then
5114 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5115 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5116 ns_check_file=Resources/Info-gnustep.plist
5118 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5119 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5120 ns_check_file=Contents/Info.plist
5122 AC_SUBST(ns_check_file)
5125 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5126 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5127 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5128 dnl (else you get "no `Makefile.am' found for any configure output").
5129 dnl This will work, but you get a config.status that is not quite right
5130 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5131 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5132 dnl it seems better to just live with the duplication.
5133 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5135 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5136 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5137 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5138 leim/Makefile nextstep/Makefile nt/Makefile])
5140 dnl test/ is not present in release tarfiles.
5141 opt_makefile=test/automated/Makefile
5143 if test -f "$srcdir/$opt_makefile.in"; then
5144 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5145 dnl Again, it's best not to use a variable. Though you can add
5146 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5147 AC_CONFIG_FILES([test/automated/Makefile])
5151 dnl The admin/ directory used to be excluded from tarfiles.
5152 if test -d $srcdir/admin; then
5153 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5154 AC_CONFIG_FILES([admin/unidata/Makefile])
5155 AC_CONFIG_FILES([admin/grammars/Makefile])
5159 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5161 AC_SUBST(SUBDIR_MAKEFILES_IN)
5163 dnl You might wonder (I did) why epaths.h is generated by running make,
5164 dnl rather than just letting configure generate it from epaths.in.
5165 dnl One reason is that the various paths are not fully expanded (see above);
5166 dnl eg gamedir=${prefix}/var/games/emacs.
5167 dnl Secondly, the GNU Coding standards require that one should be able
5168 dnl to run `make prefix=/some/where/else' and override the values set
5169 dnl by configure. This also explains the `move-if-change' test and
5170 dnl the use of force in the `epaths-force' rule in Makefile.in.
5171 AC_CONFIG_COMMANDS([src/epaths.h], [
5172 if test "${opsys}" = "mingw32"; then
5173 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5175 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5176 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5177 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5179 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5180 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5182 AC_CONFIG_COMMANDS([src/.gdbinit], [
5183 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5184 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5190 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])