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 ## For the times when you want to build Emacs but don't have
346 ## a suitable makeinfo, and can live without the manuals.
347 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
348 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
350 ## This might be a 'configure' arg.
351 AC_SUBST([ACLOCAL_PATH])
353 ## Makefile.in needs the cache file name.
356 ## This is an option because I do not know if all info/man support
357 ## compressed files, nor how to test if they do so.
358 OPTION_DEFAULT_ON([compress-install],
359 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
360 make GZIP_PROG= install])
362 AC_ARG_WITH(gameuser,dnl
363 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
364 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
365 && gameuser="${with_gameuser}"
366 test "X$gameuser" = X && gameuser=games
368 AC_ARG_WITH([gnustep-conf],dnl
369 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
370 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
371 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
372 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
373 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
374 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
376 AC_ARG_ENABLE(ns-self-contained,
377 [AS_HELP_STRING([--disable-ns-self-contained],
378 [disable self contained build under NeXTstep])],
379 EN_NS_SELF_CONTAINED=$enableval,
380 EN_NS_SELF_CONTAINED=yes)
382 AC_ARG_ENABLE(locallisppath,
383 [AS_HELP_STRING([--enable-locallisppath=PATH],
384 [directories Emacs should search for lisp files specific
386 if test "${enableval}" = "no"; then
388 elif test "${enableval}" != "yes"; then
389 locallisppath=${enableval}
392 AC_ARG_ENABLE(checking,
393 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
394 [enable expensive run-time checks. With LIST,
395 enable only specific categories of checks.
396 Categories are: all,yes,no.
397 Flags are: stringbytes, stringoverrun, stringfreelist,
398 xmallocoverrun, conslist, glyphs])],
399 [ac_checking_flags="${enableval}"],[])
400 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
401 for check in $ac_checking_flags
404 # these set all the flags to specific states
405 yes) ac_enable_checking=1 ;;
406 no) ac_enable_checking= ;
407 ac_gc_check_stringbytes= ;
408 ac_gc_check_string_overrun= ;
409 ac_gc_check_string_free_list= ;
410 ac_xmalloc_overrun= ;
411 ac_gc_check_cons_list= ;
413 all) ac_enable_checking=1 ;
414 ac_gc_check_stringbytes=1 ;
415 ac_gc_check_string_overrun=1 ;
416 ac_gc_check_string_free_list=1 ;
417 ac_xmalloc_overrun=1 ;
418 ac_gc_check_cons_list=1 ;
420 # these enable particular checks
421 stringbytes) ac_gc_check_stringbytes=1 ;;
422 stringoverrun) ac_gc_check_string_overrun=1 ;;
423 stringfreelist) ac_gc_check_string_free_list=1 ;;
424 xmallocoverrun) ac_xmalloc_overrun=1 ;;
425 conslist) ac_gc_check_cons_list=1 ;;
426 glyphs) ac_glyphs_debug=1 ;;
427 *) AC_MSG_ERROR(unknown check category $check) ;;
432 if test x$ac_enable_checking != x ; then
433 AC_DEFINE(ENABLE_CHECKING, 1,
434 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
436 if test x$ac_gc_check_stringbytes != x ; then
437 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
438 [Define this temporarily to hunt a bug. If defined, the size of
439 strings is redundantly recorded in sdata structures so that it can
440 be compared to the sizes recorded in Lisp strings.])
442 if test x$ac_gc_check_string_overrun != x ; then
443 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
444 [Define this to check for short string overrun.])
446 if test x$ac_gc_check_string_free_list != x ; then
447 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
448 [Define this to check the string free list.])
450 if test x$ac_xmalloc_overrun != x ; then
451 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
452 [Define this to check for malloc buffer overrun.])
454 if test x$ac_gc_check_cons_list != x ; then
455 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
456 [Define this to check for errors in cons list.])
458 if test x$ac_glyphs_debug != x ; then
459 AC_DEFINE(GLYPH_DEBUG, 1,
460 [Define this to enable glyphs debugging code.])
463 AC_ARG_ENABLE(check-lisp-object-type,
464 [AS_HELP_STRING([--enable-check-lisp-object-type],
465 [enable compile time checks for the Lisp_Object data type.
466 This is useful for development for catching certain types of bugs.])],
467 if test "${enableval}" != "no"; then
468 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
469 [Define this to enable compile time checks for the Lisp_Object data type.])
473 dnl The name of this option is unfortunate. It predates, and has no
474 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
475 dnl Actually, it stops it working.
476 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
477 AC_ARG_ENABLE(profiling,
478 [AS_HELP_STRING([--enable-profiling],
479 [build emacs with low-level, gprof profiling support.
480 Mainly useful for debugging Emacs itself. May not work on
481 all platforms. Stops profiler.el working.])],
482 [ac_enable_profiling="${enableval}"],[])
483 if test x$ac_enable_profiling != x ; then
484 PROFILING_CFLAGS="-DPROFILING=1 -pg"
488 AC_SUBST(PROFILING_CFLAGS)
490 AC_ARG_ENABLE(autodepend,
491 [AS_HELP_STRING([--enable-autodepend],
492 [automatically generate dependencies to .h-files.
493 Requires gcc, enabled if found.])],
494 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
496 AC_ARG_ENABLE(gtk-deprecation-warnings,
497 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
498 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
499 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
501 dnl This used to use changequote, but, apart from `changequote is evil'
502 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
503 dnl the great gob of text. Thus it's not processed for possible expansion.
504 dnl Just make sure the brackets remain balanced.
506 dnl Since Emacs can't find matching pairs of quotes, boundaries are
507 dnl indicated by comments.
511 ### If you add support for a new configuration, add code to this
512 ### switch statement to recognize your configuration name and select
513 ### the appropriate opsys.
515 ### As far as handling version numbers on operating systems is
516 ### concerned, make sure things will fail in a fixable way. If
517 ### /etc/MACHINES doesn't say anything about version numbers, be
518 ### prepared to handle anything reasonably. If version numbers
519 ### matter, be sure /etc/MACHINES says something about it.
522 case "${canonical}" in
524 ## GNU/Linux and similar ports
539 ## FreeBSD kernel + glibc based userland
550 *-*-openbsd* | *-*-mirbsd* )
554 ## Apple Darwin / Mac OS X
556 case "${canonical}" in
563 ## Use fink packages if available.
564 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
565 ## if test -d /sw/include && test -d /sw/lib; then
566 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
567 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
576 ## HP 9000 series 700 and 800, running HP/UX
580 hppa*-hp-hpux1[1-9]* )
582 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
586 rs6000-ibm-aix4.[23]* )
589 powerpc-ibm-aix4.[23]* )
592 rs6000-ibm-aix[56]* )
595 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
599 ## Silicon Graphics machines
603 # Without defining _LANGUAGE_C, things get masked out in the headers
604 # so that, for instance, grepping for `free' in stdlib.h fails and
605 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
606 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
611 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
612 | x86_64-*-solaris2* | x86_64-*-sunos5*)
613 case "${canonical}" in
615 amd64-*-*|x86_64-*-*) ;;
619 case "${canonical}" in
620 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
622 emacs_check_sunpro_c=yes
624 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
625 ## Note that Emacs 23.1's NEWS said the following would be dropped.
626 *-sunos5.6* | *-solaris2.6* )
630 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
631 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
633 emacs_check_sunpro_c=yes
636 ## Watch out for a compiler that we know will not work.
637 case "${canonical}" in
638 *-solaris* | *-sunos5* )
639 if [ "x$CC" = x/usr/ucb/cc ]; then
640 ## /usr/ucb/cc doesn't work;
641 ## we should find some other compiler that does work.
649 ## Intel 386 machines where we don't care about the manufacturer.
651 case "${canonical}" in
652 *-darwin* ) opsys=darwin ;;
655 # MinGW overrides and adds some system headers in nt/inc.
656 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
658 *-sysv4.2uw* ) opsys=unixware ;;
659 *-sysv5uw* ) opsys=unixware ;;
660 *-sysv5OpenUNIX* ) opsys=unixware ;;
661 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
667 case "${canonical}" in
670 # MinGW overrides and adds some system headers in nt/inc.
671 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
673 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
682 ### If the code above didn't choose an operating system, just choose
683 ### an operating system based on the configuration name. You really
684 ### only want to use this when you have no idea what the right
685 ### operating system is; if you know what operating systems a machine
686 ### runs, it's cleaner to make it explicit in the case statement
688 if test x"${opsys}" = x; then
689 case "${canonical}" in
690 *-gnu* ) opsys=gnu ;;
700 if test $unported = yes; then
701 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
702 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
703 Check `etc/MACHINES' for recognized configuration names.])
707 #### Choose a compiler.
709 dnl Don't bother to test for C89.
710 AC_DEFUN([_AC_PROG_CC_C89], [$2])
712 dnl Sets GCC=yes if using gcc.
713 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
714 if test -n "$XCRUN"; then
715 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
716 test -n "$AR" && export AR
719 dnl Emacs needs C99 or later.
724 if test x$GCC = xyes; then
725 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
727 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
730 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
731 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
732 dnl that clash with MinGW.
733 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
735 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
736 AC_DEFUN([gl_CRYPTO_CHECK])
737 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
738 # as we don't use them.
739 AC_DEFUN([gl_FCNTL_O_FLAGS])
741 # Initialize gnulib right after choosing the compiler.
742 dnl Amongst other things, this sets AR and ARFLAGS.
745 if test "$ac_test_CFLAGS" != set; then
746 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
747 # if -g3 works and the user does not specify CFLAGS.
748 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
751 emacs_g3_CFLAGS='-g3';;
753 emacs_g3_CFLAGS='-g3 -O2';;
757 if test -n "$emacs_g3_CFLAGS"; then
758 emacs_save_CFLAGS=$CFLAGS
759 CFLAGS=$emacs_g3_CFLAGS
760 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
761 [emacs_cv_prog_cc_g3],
762 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
763 [emacs_cv_prog_cc_g3=yes],
764 [emacs_cv_prog_cc_g3=no])])
765 if test $emacs_cv_prog_cc_g3 != yes; then
766 CFLAGS=$emacs_save_CFLAGS
768 if test $opsys = mingw32; then
769 CFLAGS="$CFLAGS -gdwarf-2"
776 # No optimization flag was inferred for this non-GCC compiler.
777 # Try -O. This is needed for xlc on AIX; see Bug#14258.
778 emacs_save_CFLAGS=$CFLAGS
779 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
781 AC_CACHE_CHECK([whether $CC accepts -O],
782 [emacs_cv_prog_cc_o],
783 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
784 [emacs_cv_prog_cc_o=yes],
785 [emacs_cv_prog_cc_o=no])])
786 if test $emacs_cv_prog_cc_o != yes; then
787 CFLAGS=$emacs_save_CFLAGS
792 AC_ARG_ENABLE([gcc-warnings],
793 [AS_HELP_STRING([--enable-gcc-warnings],
794 [turn on lots of GCC warnings/errors. This is intended for
795 developers, and may generate false alarms when used
796 with older or non-GNU development tools.])],
799 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
801 gl_gcc_warnings=$enableval],
805 # clang is unduly picky about some things.
806 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
813 [emacs_cv_clang=yes],
814 [emacs_cv_clang=no])])
816 # When compiling with GCC, prefer -isystem to -I when including system
817 # include files, to avoid generating useless diagnostics for the files.
818 if test "$gl_gcc_warnings" != yes; then
820 if test "$emacs_cv_clang" = yes
822 # Turn off some warnings if supported.
823 gl_WARN_ADD([-Wno-switch])
824 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
825 gl_WARN_ADD([-Wno-pointer-sign])
830 # This, $nw, is the list of warnings we disable.
833 case $with_x_toolkit in
834 lucid | athena | motif)
835 # Old toolkits mishandle 'const'.
836 nw="$nw -Wwrite-strings"
839 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
842 AC_SUBST([WERROR_CFLAGS])
844 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
845 nw="$nw -Woverlength-strings" # Not a problem these days
846 nw="$nw -Wlogical-op" # any use of fwrite provokes this
847 nw="$nw -Wformat-nonliteral" # we do this a lot
848 nw="$nw -Wvla" # warnings in gettext.h
849 nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
850 nw="$nw -Wswitch-default" # Too many warnings for now
851 nw="$nw -Winline" # OK to ignore 'inline'
852 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
853 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
854 # signed overflow has undefined behavior
855 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
856 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
857 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
859 # Emacs doesn't care about shadowing; see
860 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
863 # Emacs's use of alloca inhibits protecting the stack.
864 nw="$nw -Wstack-protector"
866 # The following line should be removable at some point.
867 nw="$nw -Wsuggest-attribute=pure"
869 # This part is merely for shortening the command line,
870 # since -Wno-FOO needs to be added below regardless.
871 nw="$nw -Wmissing-field-initializers"
873 nw="$nw -Wtype-limits"
874 nw="$nw -Wunused-parameter"
876 if test $emacs_cv_clang = yes; then
877 nw="$nw -Wcast-align"
880 gl_MANYWARN_ALL_GCC([ws])
881 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
885 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
886 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
887 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
888 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
889 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
890 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
891 gl_WARN_ADD([-Wno-format-nonliteral])
893 # In spite of excluding -Wlogical-op above, it is enabled, as of
894 # gcc 4.5.0 20090517.
895 gl_WARN_ADD([-Wno-logical-op])
897 # More things that clang is unduly picky about.
898 if test $emacs_cv_clang = yes; then
899 gl_WARN_ADD([-Wno-format-extra-args])
900 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
901 gl_WARN_ADD([-Wno-unused-command-line-argument])
902 gl_WARN_ADD([-Wno-unused-value])
905 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
906 AH_VERBATIM([FORTIFY_SOURCE],
907 [/* Enable compile-time and run-time bounds-checking, and some warnings,
908 without upsetting glibc 2.15+. */
909 #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__
910 # define _FORTIFY_SOURCE 2
913 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
915 # We use a slightly smaller set of warning options for lib/.
916 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
918 nw="$nw -Wunused-macros"
920 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
921 AC_SUBST([GNULIB_WARN_CFLAGS])
931 AC_ARG_ENABLE(link-time-optimization,
932 [AS_HELP_STRING([--enable-link-time-optimization],
933 [build emacs with link-time optimization.
934 This requires GCC 4.5.0 or later, or clang.
935 (Note that clang support is experimental - see INSTALL.)
936 It also makes Emacs harder to debug, and when we tried it
937 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
938 recommended for typical use.])],
939 if test "${enableval}" != "no"; then
941 if test $emacs_cv_clang = yes; then
942 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
943 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
944 if test -x "$GOLD_PLUGIN"; then
947 elif test x$GCC = xyes; then
948 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
949 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
950 if test x$CPUS != x; then
956 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
958 if test -z "$LTO"; then
962 CFLAGS="$CFLAGS $LTO"
963 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
964 [ac_lto_supported=yes], [ac_lto_supported=no])
967 AC_MSG_RESULT([$ac_lto_supported])
968 if test "$ac_lto_supported" = "yes"; then
969 CFLAGS="$CFLAGS $LTO"
970 if test x$emacs_cv_clang = xyes; then
971 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
972 # WARNING: 'ar --plugin ...' doesn't work without
973 # command, so plugin name is appended to ARFLAGS.
974 ARFLAGS="cru --plugin $GOLD_PLUGIN"
975 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
977 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
978 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
979 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
980 dnl dump core on Fedora 20, so play it safe for now.
981 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
982 [CFLAGS="$CFLAGS -ffat-lto-objects"])
987 dnl Some other nice autoconf tests.
988 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
991 dnl if test "x$RANLIB" = x; then
996 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
997 dnl can be made to directories. This is not relevant for our usage, and
998 dnl excludes some cases that work fine for us. Eg MS Windows or files
999 dnl hosted on AFS, both examples where simple links work, but links to
1000 dnl directories fail. We use a cut-down version instead.
1003 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1004 rm -f conf$$ conf$$.file
1006 LN_S_FILEONLY='cp -p'
1008 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1009 dnl random program in the current directory.
1010 if (echo >conf$$.file) 2>/dev/null; then
1011 if ln -s conf$$.file conf$$ 2>/dev/null; then
1012 if test "$opsys" = "mingw32"; then
1013 LN_S_FILEONLY='/bin/ln -s'
1015 LN_S_FILEONLY='ln -s'
1017 elif ln conf$$.file conf$$ 2>/dev/null; then
1018 if test "$opsys" = "mingw32"; then
1019 LN_S_FILEONLY=/bin/ln
1026 rm -f conf$$ conf$$.file
1028 if test "$LN_S_FILEONLY" = "ln -s"; then
1029 AC_MSG_RESULT([yes])
1031 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1034 AC_SUBST(LN_S_FILEONLY)
1037 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1038 dnl doesn't support links to directories, as in "ln file dir". But that
1039 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1040 dnl executables at "make install" time.
1041 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1042 dnl for more details.
1043 if test "$opsys" = "mingw32"; then
1047 dnl On some Debian versions, "install-info" prints irritating messages
1048 dnl "This is not dpkg install-info anymore, but GNU install-info"
1049 dnl if called via an absolute file name.
1050 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1051 dnl Sadly some people may have an old ginstall-info installed on
1052 dnl non-Debian systems, so we can't use this.
1053 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1054 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1056 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1057 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1058 dnl Don't use GZIP, which is used by gzip for additional parameters.
1059 AC_PATH_PROG(GZIP_PROG, gzip)
1061 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1062 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1064 if test $opsys = gnu-linux; then
1065 AC_PATH_PROG(PAXCTL, paxctl,,
1066 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1067 if test "X$PAXCTL" != X; then
1068 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1069 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1070 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1071 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1074 if test "${SETFATTR+set}" != set; then
1075 AC_CACHE_CHECK([for setfattr],
1076 [emacs_cv_prog_setfattr],
1078 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1079 emacs_cv_prog_setfattr=yes
1081 emacs_cv_prog_setfattr=no
1083 if test "$emacs_cv_prog_setfattr" = yes; then
1089 AC_SUBST([SETFATTR])
1093 ## Need makeinfo >= 4.7 (?) to build the manuals.
1094 AC_PATH_PROG(MAKEINFO, makeinfo, no)
1095 dnl By this stage, configure has already checked for egrep and set EGREP,
1096 dnl or exited with an error if no egrep was found.
1097 if test "$MAKEINFO" != "no"; then
1099 $MAKEINFO --version 2> /dev/null |
1100 $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[7-9]]|4\.[[1-6]][[0-9]]+)'
1106 ## Makeinfo is unusual. For a released Emacs, the manuals are
1107 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1108 ## therefore in the category of "special tools" not normally required, which
1109 ## configure does not have to check for (eg autoconf itself).
1110 ## In a repository checkout on the other hand, the manuals are not included.
1111 ## So makeinfo is a requirement to build from the repository, and configure
1112 ## should test for it as it does for any other build requirement.
1113 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1114 ## with pre-built manuals, from a repository checkout.
1117 if test "$MAKEINFO" = "no"; then
1119 if test "x${with_makeinfo}" = "xno"; then
1121 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1122 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1123 source tree does not seem to have pre-built manuals in the `info' directory.
1124 Either install a suitable version of makeinfo, or re-run configure
1125 with the `--without-makeinfo' option to build without the manuals.] )
1128 AC_SUBST(HAVE_MAKEINFO)
1130 if test $opsys = mingw32; then
1131 DOCMISC_W32=efaq-w32
1135 AC_SUBST(DOCMISC_W32)
1137 dnl Add our options to ac_link now, after it is set up.
1139 if test x$GCC = xyes; then
1140 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1141 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1143 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1144 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1147 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1148 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1149 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1150 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1151 dnl if not built to support GNU ld.
1153 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1154 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1155 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1156 dnl Eg "make LDFLAGS=... all" could run into problems,
1157 dnl http://bugs.debian.org/684788
1158 dnl * unnecessary, since temacs is the only thing that actually needs it.
1159 dnl Indeed this is where it was originally, prior to:
1160 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1161 late_LDFLAGS="$LDFLAGS"
1162 if test x$GCC = xyes; then
1163 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1165 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1168 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1170 AC_MSG_CHECKING([for -znocombreloc])
1171 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1172 [AC_MSG_RESULT(yes)],
1173 LDFLAGS_NOCOMBRELOC=
1174 [AC_MSG_RESULT(no)])
1176 LDFLAGS="$late_LDFLAGS"
1178 AC_CACHE_CHECK([whether addresses are sanitized],
1179 [emacs_cv_sanitize_address],
1182 [[#ifndef __has_feature
1183 #define __has_feature(f) 0
1185 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1187 error "Addresses are not sanitized.";
1190 [emacs_cv_sanitize_address=yes],
1191 [emacs_cv_sanitize_address=no])])
1193 dnl The function dump-emacs will not be defined and temacs will do
1194 dnl (load "loadup") automatically unless told otherwise.
1195 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1197 your-opsys-here) CANNOT_DUMP=yes ;;
1200 if test "$CANNOT_DUMP" = "yes"; then
1201 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1202 elif test "$emacs_cv_sanitize_address" = yes; then
1203 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1206 AC_SUBST(CANNOT_DUMP)
1209 UNEXEC_OBJ=unexelf.o
1211 # MSDOS uses unexcoff.o
1213 UNEXEC_OBJ=unexaix.o
1219 UNEXEC_OBJ=unexmacosx.o
1222 UNEXEC_OBJ=unexhp9k800.o
1225 UNEXEC_OBJ=unexw32.o
1228 # Use the Solaris dldump() function, called from unexsol.c, to dump
1229 # emacs, instead of the generic ELF dump code found in unexelf.c.
1230 # The resulting binary has a complete symbol table, and is better
1231 # for debugging and other observability tools (debuggers, pstack, etc).
1233 # If you encounter a problem using dldump(), please consider sending
1234 # a message to the OpenSolaris tools-linking mailing list:
1235 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1237 # It is likely that dldump() works with older Solaris too, but this has
1238 # not been tested, so for now this change is for Solaris 10 or newer.
1239 UNEXEC_OBJ=unexsol.o
1246 ## Let `ld' find image libs and similar things in /usr/local/lib.
1247 ## The system compiler, GCC, has apparently been modified to not
1248 ## look there, contrary to what a stock GCC would do.
1249 ### It's not our place to do this. See bug#10313#17.
1250 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1255 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1256 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1260 ### It's not our place to do this. See bug#10313#17.
1261 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1266 ## Han Boetes <han@boetes.org> says this is necessary,
1267 ## otherwise Emacs dumps core on elf systems.
1268 LD_SWITCH_SYSTEM="-Z"
1271 AC_SUBST(LD_SWITCH_SYSTEM)
1273 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1275 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1276 ## which has not been defined yet. When this was handled with cpp,
1277 ## it was expanded to null when configure sourced the s/*.h file.
1278 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1279 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1280 ## (or somesuch), but because it is supposed to go at the _front_
1281 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1282 ## Compare with the gnu-linux case below, which added to the end
1283 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1284 ## LD_SWITCH_SYSTEM_TEMACS.
1287 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1294 AC_CHECK_DECL([__ELF__])
1295 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1296 ## With ELF, make sure that all common symbols get allocated to in the
1297 ## data section. Otherwise, the dump of temacs may miss variables in
1298 ## the shared library that have been initialized. For example, with
1299 ## GNU libc, __malloc_initialized would normally be resolved to the
1300 ## shared library's .bss section, which is fatal.
1301 if test "x$GCC" = "xyes"; then
1302 C_SWITCH_MACHINE="-fno-common"
1304 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1307 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1308 dnl albeit under the mistaken assumption that said file
1309 dnl was no longer used.
1310 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1314 AC_SUBST(C_SWITCH_MACHINE)
1316 AC_SUBST(UNEXEC_OBJ)
1319 ## Some programs in src produce warnings saying certain subprograms
1320 ## are too complex and need a MAXMEM value greater than 2000 for
1321 ## additional optimization. --nils@exp-math.uni-essen.de
1322 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1323 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1324 if test "$opsys" = "mingw32"; then
1325 case "$canonical" in
1326 x86_64-*-mingw32) C_SWITCH_SYSTEM="-mtune=generic" ;;
1327 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1330 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1331 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1332 AC_SUBST(C_SWITCH_SYSTEM)
1337 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1338 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1340 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1342 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1344 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1346 ## Motif needs -lgen.
1347 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1350 AC_SUBST(LIBS_SYSTEM)
1352 ### Make sure subsequent tests use flags consistent with the build flags.
1354 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1355 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1357 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1360 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1361 AC_DEFUN([AC_TYPE_SIZE_T])
1362 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1363 AC_DEFUN([AC_TYPE_UID_T])
1365 # sqrt and other floating-point functions such as fmod and frexp
1366 # are found in -lm on many systems.
1368 AC_SEARCH_LIBS([sqrt], [m])
1369 if test "X$LIBS" = "X$OLD_LIBS"; then
1372 LIB_MATH=$ac_cv_search_sqrt
1376 dnl Current possibilities handled by sed (aix4-2 -> aix,
1377 dnl gnu-linux -> gnu/linux, etc.):
1378 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1379 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1380 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1387 ## Adding -lm confuses the dynamic linker, so omit it.
1390 freebsd | dragonfly )
1391 SYSTEM_TYPE=berkeley-unix
1393 gnu-linux | gnu-kfreebsd )
1395 hpux10-20 | hpux11 )
1399 SYSTEM_TYPE=windows-nt
1401 dnl NB this may be adjusted below.
1403 SYSTEM_TYPE=berkeley-unix
1407 SYSTEM_TYPE=usg-unix-v
1413 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1414 [The type of system you are compiling for; sets `system-type'.])
1417 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1418 pre_PKG_CONFIG_LIBS=$LIBS
1420 PKG_PROG_PKG_CONFIG(0.9.0)
1422 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1423 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1424 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1425 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1426 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1427 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1429 AC_DEFUN([EMACS_CHECK_MODULES],
1430 [PKG_CHECK_MODULES([$1], [$2],
1431 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1432 m4_default([$3], [HAVE_$1=yes])],
1433 [m4_default([$4], [HAVE_$1=no])])])
1435 PKG_CHECK_MODULES([BDW_GC], [bdw-gc])
1436 AC_SUBST(BDW_GC_CFLAGS)
1437 AC_SUBST(BDW_GC_LIBS)
1438 CFLAGS="$CFLAGS $BDW_GC_CFLAGS"
1439 LIBS="$BDW_GC_LIBS $LIBS"
1443 if test "${with_sound}" != "no"; then
1444 # Sound support for GNU/Linux, the free BSDs, and MinGW.
1445 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h],
1446 have_sound_header=yes, [], [
1448 #define WIN32_LEAN_AND_MEAN
1449 #include <windows.h>
1452 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1453 AC_MSG_ERROR([OSS sound support requested but not found.])
1455 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1456 # Emulation library used on NetBSD.
1457 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1458 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1459 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1460 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1461 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1465 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1467 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1468 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1469 if test $HAVE_ALSA = yes; then
1470 SAVE_CFLAGS="$CFLAGS"
1472 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1473 LIBS="$ALSA_LIBS $LIBS"
1474 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1475 emacs_alsa_normal=yes,
1476 emacs_alsa_normal=no)
1477 if test "$emacs_alsa_normal" != yes; then
1478 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1479 [[snd_lib_error_set_handler (0);]])],
1480 emacs_alsa_subdir=yes,
1481 emacs_alsa_subdir=no)
1482 if test "$emacs_alsa_subdir" != yes; then
1483 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1485 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1488 CFLAGS="$SAVE_CFLAGS"
1490 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1491 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1492 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1493 elif test "${with_sound}" = "alsa"; then
1494 AC_MSG_ERROR([ALSA sound support requested but not found.])
1496 fi dnl with_sound = alsa|yes
1498 dnl Define HAVE_SOUND if we have sound support. We know it works and
1499 dnl compiles only on the specified platforms. For others, it
1500 dnl probably doesn't make sense to try.
1501 dnl FIXME So surely we should bypass this whole section if not using
1502 dnl one of these platforms?
1503 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1505 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1506 dnl Adjust the --with-sound help text if you change this.
1507 gnu-linux|freebsd|netbsd|mingw32)
1508 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1514 AC_SUBST(CFLAGS_SOUND)
1517 dnl checks for header files
1518 AC_CHECK_HEADERS_ONCE(
1522 sys/utsname.h pwd.h utmp.h util.h)
1524 AC_MSG_CHECKING(if personality LINUX32 can be set)
1525 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1526 emacs_cv_personality_linux32=yes,
1527 emacs_cv_personality_linux32=no)
1528 AC_MSG_RESULT($emacs_cv_personality_linux32)
1530 if test $emacs_cv_personality_linux32 = yes; then
1531 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1532 [Define to 1 if personality LINUX32 can be set.])
1535 dnl On Solaris 8 there's a compilation warning for term.h because
1536 dnl it doesn't define `bool'.
1537 AC_CHECK_HEADERS(term.h, , , -)
1539 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1541 if test $ac_cv_have_decl_sys_siglist != yes; then
1542 # For Tru64, at least:
1543 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1548 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1549 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1550 #if HAVE_SYS_SOCKET_H
1551 #include <sys/socket.h>
1553 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1554 #if HAVE_SYS_SOCKET_H
1555 #include <sys/socket.h>
1557 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1558 #if HAVE_SYS_SOCKET_H
1559 #include <sys/socket.h>
1562 dnl checks for structure members
1563 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1564 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1565 struct ifreq.ifr_addr,
1566 struct ifreq.ifr_addr.sa_len], , ,
1567 [AC_INCLUDES_DEFAULT
1568 #if HAVE_SYS_SOCKET_H
1569 #include <sys/socket.h>
1575 dnl Check for endianness.
1576 dnl AC_C_BIGENDIAN is done by gnulib.
1578 dnl check for Make feature
1583 dnl check if we have GCC and autodepend is on.
1584 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1585 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1586 SAVE_CFLAGS="$CFLAGS"
1587 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1588 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1589 CFLAGS="$SAVE_CFLAGS"
1590 test -f deps.d || ac_enable_autodepend=no
1592 AC_MSG_RESULT([$ac_enable_autodepend])
1593 if test $ac_enable_autodepend = yes; then
1594 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1595 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1596 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1597 deps_frag=autodeps.mk
1600 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1601 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1602 deps_frag=$srcdir/src/$deps_frag
1605 AC_SUBST_FILE(deps_frag)
1606 AC_SUBST_FILE(lwlib_deps_frag)
1607 AC_SUBST_FILE(oldxmenu_deps_frag)
1609 lisp_frag=$srcdir/src/lisp.mk
1610 AC_SUBST_FILE(lisp_frag)
1613 dnl checks for operating system services
1614 AC_SYS_LONG_FILE_NAMES
1616 #### Choose a window system.
1618 ## We leave window_system equal to none if
1619 ## we end up building without one. Any new window system should
1620 ## set window_system to an appropriate value and add objects to
1621 ## window-system-specific substs.
1625 if test "$no_x" != yes; then
1629 LD_SWITCH_X_SITE_RPATH=
1630 if test "${x_libraries}" != NONE; then
1631 if test -n "${x_libraries}"; then
1632 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1633 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1635 x_default_search_path=""
1636 x_search_path=${x_libraries}
1637 if test -z "${x_search_path}"; then
1638 x_search_path=/usr/lib
1640 for x_library in `echo ${x_search_path}: | \
1641 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1643 ${x_library}/X11/%L/%T/%N%C%S:\
1644 ${x_library}/X11/%l/%T/%N%C%S:\
1645 ${x_library}/X11/%T/%N%C%S:\
1646 ${x_library}/X11/%L/%T/%N%S:\
1647 ${x_library}/X11/%l/%T/%N%S:\
1648 ${x_library}/X11/%T/%N%S"
1649 if test x"${x_default_search_path}" = x; then
1650 x_default_search_path=${x_search_path}
1652 x_default_search_path="${x_search_path}:${x_default_search_path}"
1656 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1658 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1659 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1662 if test x"${x_includes}" = x; then
1663 bitmapdir=/usr/include/X11/bitmaps
1665 # accumulate include directories that have X11 bitmap subdirectories
1667 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1668 if test -d "${bmd}/X11/bitmaps"; then
1669 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1671 if test -d "${bmd}/bitmaps"; then
1672 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1675 if test ${bmd_acc} != "dummyval"; then
1676 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1683 tmp_CPPFLAGS="$CPPFLAGS"
1684 tmp_CFLAGS="$CFLAGS"
1685 CPPFLAGS="$CPPFLAGS -x objective-c"
1686 CFLAGS="$CFLAGS -x objective-c"
1689 if test "${with_ns}" != no; then
1690 if test "${opsys}" = darwin; then
1692 ns_appdir=`pwd`/nextstep/Emacs.app
1693 ns_appbindir=${ns_appdir}/Contents/MacOS
1694 ns_appresdir=${ns_appdir}/Contents/Resources
1695 ns_appsrc=Cocoa/Emacs.base
1696 elif test -f $GNUSTEP_CONFIG_FILE; then
1698 ns_appdir=`pwd`/nextstep/Emacs.app
1699 ns_appbindir=${ns_appdir}
1700 ns_appresdir=${ns_appdir}/Resources
1701 ns_appsrc=GNUstep/Emacs.base
1702 dnl FIXME sourcing this several times in subshells seems inefficient.
1703 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1704 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1705 dnl I seemed to need these as well with GNUstep-startup 0.25.
1706 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1707 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1708 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1709 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1710 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1711 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1712 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1713 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1714 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1715 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1716 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1717 dnl If they had chosen to either define it or not, we could have
1718 dnl just used AC_CHECK_DECL here.
1719 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1720 emacs_cv_objc_exceptions,
1721 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1722 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1726 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1727 if test $emacs_cv_objc_exceptions = yes; then
1728 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1729 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1730 [Define if GNUstep uses ObjC exceptions.])
1731 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1735 dnl This is only used while we test the NS headers, it gets reset below.
1736 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1738 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1739 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1740 files are missing or cannot be compiled.])])
1743 if test "${NS_IMPL_COCOA}" = "yes"; then
1744 AC_MSG_CHECKING([for OSX 10.4 or newer])
1745 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1747 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1748 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
1751 error "OSX 10.4 or newer required";
1755 ns_osx_have_104=yes,
1757 AC_MSG_RESULT([$ns_osx_have_104])
1759 if test $ns_osx_have_104 = no; then
1760 AC_MSG_ERROR([`OSX 10.4 or newer is required']);
1762 AC_MSG_CHECKING([for OSX 10.5 or newer])
1763 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1765 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1766 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
1769 error "OSX 10.5 not found";
1773 ns_osx_have_105=yes,
1775 AC_MSG_RESULT([$ns_osx_have_105])
1776 if test $ns_osx_have_105 = yes; then
1777 macfont_file="macfont.o"
1780 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
1782 ns_have_nsinteger=yes,
1783 ns_have_nsinteger=no)
1784 if test $ns_have_nsinteger = yes; then
1785 AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
1789 AC_SUBST(LIBS_GNUSTEP)
1791 INSTALL_ARCH_INDEP_EXTRA=install-etc
1792 ns_self_contained=no
1795 if test "${HAVE_NS}" = yes; then
1796 if test "$with_toolkit_scroll_bars" = "no"; then
1797 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1800 window_system=nextstep
1801 # set up packaging dirs
1802 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1803 ns_self_contained=yes
1804 prefix=${ns_appresdir}
1805 exec_prefix=${ns_appbindir}
1806 dnl This one isn't really used, only archlibdir is.
1807 libexecdir="\${ns_appbindir}/libexec"
1808 archlibdir="\${ns_appbindir}/libexec"
1809 etcdocdir="\${ns_appresdir}/etc"
1810 etcdir="\${ns_appresdir}/etc"
1811 dnl FIXME maybe set datarootdir instead.
1812 dnl That would also get applications, icons, man.
1813 infodir="\${ns_appresdir}/info"
1814 mandir="\${ns_appresdir}/man"
1815 lispdir="\${ns_appresdir}/lisp"
1816 INSTALL_ARCH_INDEP_EXTRA=
1819 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o nsfont.o $macfont_file"
1821 CFLAGS="$tmp_CFLAGS"
1822 CPPFLAGS="$tmp_CPPFLAGS"
1823 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1824 AC_SUBST(ns_self_contained)
1826 AC_SUBST(NS_OBJC_OBJ)
1837 if test "${with_w32}" != no; then
1840 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1841 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1842 cannot be found.])])
1845 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1848 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1853 if test "${opsys}" = "mingw32"; then
1854 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1855 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1856 #include <windows.h>
1857 #include <usp10.h>]],
1858 [[PIMAGE_NT_HEADERS pHeader;
1859 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1860 [emacs_cv_w32api=yes
1863 AC_MSG_RESULT($emacs_cv_w32api)
1864 if test "${emacs_cv_w32api}" = "no"; then
1865 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1876 if test "${HAVE_W32}" = "yes"; then
1877 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1878 AC_CHECK_TOOL(WINDRES, [windres],
1879 [AC_MSG_ERROR([No resource compiler found.])])
1880 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1881 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1882 EMACSRES="emacs.res"
1883 case "$canonical" in
1884 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1885 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1887 if test "${opsys}" = "cygwin"; then
1888 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1889 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1890 # Tell the linker that emacs.res is an object (which we compile from
1891 # the rc file), not a linker script.
1892 W32_RES_LINK="-Wl,emacs.res"
1894 UPDATE_MANIFEST=update-game-score.exe.manifest
1895 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1896 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1897 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1898 W32_RES_LINK="\$(EMACSRES)"
1899 CLIENTRES="emacsclient.res"
1900 CLIENTW="emacsclientw\$(EXEEXT)"
1901 FIRSTFILE_OBJ=firstfile.o
1904 LIBS_ECLIENT="-lcomctl32"
1905 LIB_WSOCK32="-lwsock32"
1906 NTLIB="ntlib.$ac_objext"
1907 XARGS_LIMIT="-s 10000"
1913 AC_SUBST(EMACS_MANIFEST)
1914 AC_SUBST(UPDATE_MANIFEST)
1917 AC_SUBST(W32_RES_LINK)
1918 AC_SUBST(FIRSTFILE_OBJ)
1921 AC_SUBST(LIBS_ECLIENT)
1922 AC_SUBST(LIB_WSOCK32)
1924 AC_SUBST(XARGS_LIMIT)
1926 if test "${HAVE_W32}" = "yes"; then
1931 ## $window_system is now set to the window system we will
1934 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1935 # Too many warnings for now.
1937 nw="$nw -Wsuggest-attribute=const"
1938 nw="$nw -Wsuggest-attribute=noreturn"
1939 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1941 gl_WARN_ADD([-Wno-unused-variable])
1942 gl_WARN_ADD([-Wno-unused-but-set-variable])
1943 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1951 case "${window_system}" in
1956 case "${with_x_toolkit}" in
1957 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1958 motif ) USE_X_TOOLKIT=MOTIF ;;
1960 term_header=gtkutil.h
1961 dnl Don't set this for GTK. A lot of tests below assumes Xt when
1962 dnl USE_X_TOOLKIT is set.
1963 USE_X_TOOLKIT=none ;;
1964 gtk2 ) with_gtk2=yes
1965 term_header=gtkutil.h
1966 USE_X_TOOLKIT=none ;;
1967 gtk3 ) with_gtk3=yes
1968 term_header=gtkutil.h
1969 USE_X_TOOLKIT=none ;;
1970 no ) USE_X_TOOLKIT=none ;;
1971 dnl If user did not say whether to use a toolkit, make this decision later:
1972 dnl use the toolkit if we have gtk, or X11R5 or newer.
1973 * ) USE_X_TOOLKIT=maybe ;;
1977 term_header=nsterm.h
1980 term_header=w32term.h
1984 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1985 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1986 if test "$HAVE_XSERVER" = true ||
1987 test -n "$DISPLAY" ||
1988 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1989 AC_MSG_ERROR([You seem to be running X, but no X development libraries
1990 were found. You should install the relevant development files for X
1991 and for the toolkit you want, such as Gtk+ or Motif. Also make
1992 sure you have development files for image handling, i.e.
1993 tiff, gif, jpeg, png and xpm.
1994 If you are sure you want Emacs compiled without X window support, pass
2000 # Does the opsystem file prohibit the use of the GNU malloc?
2001 # Assume not, until told otherwise.
2005 [whether malloc is Doug Lea style],
2006 [emacs_cv_var_doug_lea_malloc],
2007 [emacs_cv_var_doug_lea_malloc=no
2008 dnl Hooks do not work with address sanitization.
2009 if test "$emacs_cv_sanitize_address" != yes; then
2012 [[#include <malloc.h>
2013 static void hook (void) {}]],
2014 [[malloc_set_state (malloc_get_state ());
2015 __after_morecore_hook = hook;
2016 __malloc_initialize_hook = hook;]])],
2017 [emacs_cv_var_doug_lea_malloc=yes])])
2019 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2021 system_malloc=$emacs_cv_sanitize_address
2023 ## darwin ld insists on the use of malloc routines in the System framework.
2024 darwin|mingw32|sol2-10) system_malloc=yes ;;
2028 if test "${system_malloc}" = "yes"; then
2029 AC_DEFINE([SYSTEM_MALLOC], 1,
2030 [Define to 1 to use the system memory allocator, even if it is not
2034 (The GNU allocators don't work with this system configuration.)"
2037 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2038 VMLIMIT_OBJ=vm-limit.o
2040 AC_CHECK_HEADERS([sys/vlimit.h])
2041 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2044 [[extern char data_start[]; char ch;]],
2045 [[return data_start < &ch;]])],
2046 [emacs_cv_data_start=yes],
2047 [emacs_cv_data_start=no])])
2048 if test $emacs_cv_data_start = yes; then
2049 AC_DEFINE([HAVE_DATA_START], 1,
2050 [Define to 1 if data_start is the address of the start
2051 of the main data segment.])
2054 AC_SUBST(GMALLOC_OBJ)
2055 AC_SUBST(VMLIMIT_OBJ)
2057 if test "$doug_lea_malloc" = "yes" ; then
2058 if test "$GNU_MALLOC" = yes ; then
2060 (Using Doug Lea's new malloc from the GNU C Library.)"
2062 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2063 [Define to 1 if the system memory allocator is Doug Lea style,
2064 with malloc hooks and malloc_set_state.])
2066 ## Use mmap directly for allocating larger buffers.
2067 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2068 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2069 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2071 mingw32|gnu*) REL_ALLOC=no ;;
2075 if test x"${REL_ALLOC}" = x; then
2076 REL_ALLOC=${GNU_MALLOC}
2079 use_mmap_for_buffers=no
2081 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2085 if test $use_mmap_for_buffers = yes; then
2086 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2090 LIBS="$LIBS_SYSTEM $LIBS"
2092 dnl FIXME replace main with a function we actually want from this library.
2093 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2095 dnl Check for the POSIX thread library.
2097 if test "$opsys" != "mingw32"; then
2098 AC_CHECK_HEADERS_ONCE(pthread.h)
2099 if test "$ac_cv_header_pthread_h"; then
2100 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2101 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2102 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2103 if test "$GMALLOC_OBJ" = gmalloc.o; then
2104 emacs_pthread_function=pthread_atfork
2106 emacs_pthread_function=pthread_kill
2109 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2110 [AC_DEFINE([HAVE_PTHREAD], [1],
2111 [Define to 1 if you have pthread (-lpthread).])
2112 # Some systems optimize for single-threaded programs by default, and
2113 # need special flags to disable these optimizations. For example, the
2114 # definition of 'errno' in <errno.h>.
2117 AC_DEFINE([_REENTRANT], 1,
2118 [Define to 1 if your system requires this in multithreaded code.]);;
2120 AC_DEFINE([_THREAD_SAFE], 1,
2121 [Define to 1 if your system requires this in multithreaded code.]);;
2123 if test "X$LIBS" != "X$OLD_LIBS"; then
2124 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2128 AC_SUBST([LIB_PTHREAD])
2131 dnl Check for need for bigtoc support on IBM AIX
2135 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2137 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2138 *) gdb_cv_bigtoc=-bbigtoc ;;
2141 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2142 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2147 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2148 # is for the tests that follow. We set them back later on.
2150 REAL_CFLAGS="$CFLAGS"
2151 REAL_CPPFLAGS="$CPPFLAGS"
2154 if test "${HAVE_X11}" = "yes"; then
2155 DEFS="$C_SWITCH_X_SITE $DEFS"
2156 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2158 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2159 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2161 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2162 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2163 # but it's more convenient here to set LD_RUN_PATH since this
2164 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2165 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2166 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2170 if test "${opsys}" = "gnu-linux"; then
2171 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2172 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2173 [[XOpenDisplay ("foo");]])],
2174 [xgnu_linux_first_failure=no],
2175 [xgnu_linux_first_failure=yes])
2176 if test "${xgnu_linux_first_failure}" = "yes"; then
2177 OLD_CPPFLAGS="$CPPFLAGS"
2179 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2180 LIBS="$LIBS -b i486-linuxaout"
2181 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2182 [[XOpenDisplay ("foo");]])],
2183 [xgnu_linux_second_failure=no],
2184 [xgnu_linux_second_failure=yes])
2185 if test "${xgnu_linux_second_failure}" = "yes"; then
2186 # If we get the same failure with -b, there is no use adding -b.
2187 # So leave it out. This plays safe.
2190 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2191 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2194 CPPFLAGS=$OLD_CPPFLAGS
2201 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2202 # header files included from there.
2203 AC_MSG_CHECKING(for Xkb)
2204 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2205 #include <X11/XKBlib.h>]],
2206 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2207 emacs_xkb=yes, emacs_xkb=no)
2208 AC_MSG_RESULT($emacs_xkb)
2209 if test $emacs_xkb = yes; then
2210 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2213 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2214 XScreenNumberOfScreen)
2217 if test "${window_system}" = "x11"; then
2218 AC_MSG_CHECKING(X11 version 6)
2219 AC_CACHE_VAL(emacs_cv_x11_version_6,
2220 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2221 [[#if XlibSpecificationRelease < 6
2224 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2225 if test $emacs_cv_x11_version_6 = yes; then
2226 AC_MSG_RESULT(6 or newer)
2227 AC_DEFINE(HAVE_X11R6, 1,
2228 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2229 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2230 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2234 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2235 [Define if you have usable X11R6-style XIM support.])
2239 AC_MSG_RESULT(before 6)
2244 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2246 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2247 if test "${with_rsvg}" != "no"; then
2248 RSVG_REQUIRED=2.11.0
2249 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2251 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2252 AC_SUBST(RSVG_CFLAGS)
2255 if test $HAVE_RSVG = yes; then
2256 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2257 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2258 # Windows loads librsvg dynamically
2259 if test "${opsys}" = "mingw32"; then
2267 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2268 if test "${with_imagemagick}" != "no"; then
2269 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2270 ## 6.8.2 makes Emacs crash; see Bug#13867.
2271 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2272 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2273 AC_SUBST(IMAGEMAGICK_CFLAGS)
2274 AC_SUBST(IMAGEMAGICK_LIBS)
2276 if test $HAVE_IMAGEMAGICK = yes; then
2277 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2280 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2281 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2282 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2292 gtk_term_header=$term_header
2295 if test "${opsys}" != "mingw32"; then
2296 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2299 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2301 dnl Checks for libraries.
2302 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2303 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2304 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2305 AC_MSG_ERROR($GTK_PKG_ERRORS)
2307 if test "$pkg_check_gtk" = "yes"; then
2308 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2309 GTK_OBJ=emacsgtkfixed.o
2310 gtk_term_header=gtkutil.h
2311 USE_GTK_TOOLKIT="GTK3"
2312 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2313 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2314 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2315 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2316 [Define to 1 to disable Glib deprecation warnings.])
2320 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2324 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2327 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2329 dnl Checks for libraries.
2330 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2331 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2332 if test "$pkg_check_gtk" = "no" &&
2333 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2335 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2337 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2344 if test x"$pkg_check_gtk" = xyes; then
2347 CFLAGS="$CFLAGS $GTK_CFLAGS"
2348 LIBS="$GTK_LIBS $LIBS"
2349 dnl Try to compile a simple GTK program.
2350 AC_MSG_CHECKING([whether GTK compiles])
2354 [[/* Check the Gtk and Glib APIs. */
2355 #include <gtk/gtk.h>
2356 #include <glib-object.h>
2358 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2362 GtkSettings *gs = 0;
2363 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2364 strict C prohibits this. Use gtk_main_iteration to test that the
2365 libraries are there. */
2366 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2367 0, 0, 0, G_CALLBACK (callback), 0))
2368 gtk_main_iteration ();
2371 AC_MSG_RESULT([$GTK_COMPILES])
2372 if test "${GTK_COMPILES}" != "yes"; then
2374 if test "$USE_X_TOOLKIT" != "maybe"; then
2375 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2378 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2380 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2381 GTK_OBJ="gtkutil.o $GTK_OBJ"
2382 term_header=$gtk_term_header
2384 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2387 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2388 closing open displays. This is no problem if you just use
2389 one display, but if you use more than one and close one of them
2399 if test "${HAVE_GTK}" = "yes"; then
2401 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2402 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2403 if test "$with_toolkit_scroll_bars" != no; then
2404 with_toolkit_scroll_bars=yes
2407 dnl Check if we have the old file selection dialog declared and
2408 dnl in the link library. In 2.x it may be in the library,
2409 dnl but not declared if deprecated featured has been selected out.
2410 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2411 HAVE_GTK_FILE_SELECTION=no
2412 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2413 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2414 #include <gtk/gtk.h>])
2415 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2416 AC_CHECK_FUNCS(gtk_file_selection_new)
2419 dnl Same as above for gtk_handle_box.
2420 HAVE_GTK_HANDLE_BOX=no
2421 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2422 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2423 #include <gtk/gtk.h>])
2424 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2425 AC_CHECK_FUNCS(gtk_handle_box_new)
2428 dnl Same as above for gtk_tearoff_menu_item.
2429 HAVE_GTK_TEAROFF_MENU_ITEM=no
2430 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2431 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2432 #include <gtk/gtk.h>])
2433 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2434 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2437 dnl Check for functions introduced in 2.14 and later.
2438 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2439 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2440 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2441 gtk_orientable_set_orientation \
2442 gtk_window_set_has_resize_grip)
2444 term_header=gtkutil.h
2450 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2451 dnl other platforms.
2454 if test "${with_dbus}" = "yes"; then
2455 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2456 if test "$HAVE_DBUS" = yes; then
2457 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2458 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2459 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2462 LIBS="$LIBS $DBUS_LIBS"
2463 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2464 dbus_type_is_valid \
2465 dbus_validate_bus_name \
2466 dbus_validate_path \
2467 dbus_validate_interface \
2468 dbus_validate_member)
2473 AC_SUBST(DBUS_CFLAGS)
2477 dnl GSettings has been tested under GNU/Linux only.
2479 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2480 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2481 if test "$HAVE_GSETTINGS" = "yes"; then
2483 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2485 LIBS="$LIBS $GSETTINGS_LIBS"
2486 AC_MSG_CHECKING([whether GSettings is in gio])
2489 [[/* Check that gsettings really is present. */
2490 #include <glib-object.h>
2491 #include <gio/gio.h>
2494 GSettings *settings;
2495 GVariant *val = g_settings_get_value (settings, "");
2497 [], HAVE_GSETTINGS=no)
2498 AC_MSG_RESULT([$HAVE_GSETTINGS])
2500 if test "$HAVE_GSETTINGS" = "yes"; then
2501 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2502 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2503 SETTINGS_LIBS="$GSETTINGS_LIBS"
2510 dnl GConf has been tested under GNU/Linux only.
2511 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2513 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2514 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2515 if test "$HAVE_GCONF" = yes; then
2516 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2517 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2518 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2519 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2523 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2524 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2525 if test "$HAVE_GOBJECT" = "yes"; then
2526 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2527 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2529 SAVE_CFLAGS="$CFLAGS"
2531 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2532 LIBS="$SETTINGS_LIBS $LIBS"
2533 CFLAGS="$SAVE_CFLAGS"
2536 AC_SUBST(SETTINGS_CFLAGS)
2537 AC_SUBST(SETTINGS_LIBS)
2540 dnl SELinux is available for GNU/Linux only.
2543 if test "${with_selinux}" = "yes"; then
2544 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2545 if test "$HAVE_LIBSELINUX" = yes; then
2546 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2547 LIBSELINUX_LIBS=-lselinux
2550 AC_SUBST(LIBSELINUX_LIBS)
2554 if test "${with_gnutls}" = "yes" ; then
2555 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
2556 [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
2557 if test "${HAVE_GNUTLS3}" = "yes"; then
2558 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2561 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2562 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2564 if test "${HAVE_GNUTLS}" = "yes"; then
2565 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2568 # Windows loads GnuTLS dynamically
2569 if test "${opsys}" = "mingw32"; then
2574 AC_SUBST(LIBGNUTLS_LIBS)
2575 AC_SUBST(LIBGNUTLS_CFLAGS)
2580 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2581 dnl a particular library. This doesn't make much sense?
2582 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2583 with_file_notification=no
2586 dnl MS Windows native file monitor is available for mingw32 only.
2587 case $with_file_notification,$opsys in
2588 w32,* | yes,mingw32)
2589 AC_CHECK_HEADER(windows.h)
2590 if test "$ac_cv_header_windows_h" = yes ; then
2591 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2592 NOTIFY_OBJ=w32notify.o
2593 NOTIFY_SUMMARY="yes (w32)"
2597 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2598 dnl has been added in glib 2.24. It has been tested under
2599 dnl GNU/Linux only. We take precedence over inotify, but this makes
2600 dnl only sense when glib has been compiled with inotify support. How
2602 case $with_file_notification,$NOTIFY_OBJ in
2604 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2605 if test "$HAVE_GFILENOTIFY" = "yes"; then
2606 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2607 NOTIFY_OBJ=gfilenotify.o
2608 NOTIFY_SUMMARY="yes -lgio (gfile)"
2612 dnl inotify is only available on GNU/Linux.
2613 case $with_file_notification,$NOTIFY_OBJ in
2615 AC_CHECK_HEADER(sys/inotify.h)
2616 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2617 AC_CHECK_FUNC(inotify_init1)
2618 if test "$ac_cv_func_inotify_init1" = yes; then
2619 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2620 NOTIFY_OBJ=inotify.o
2621 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2626 case $with_file_notification,$NOTIFY_OBJ in
2627 yes,* | no,* | *,?*) ;;
2628 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2631 if test -n "$NOTIFY_OBJ"; then
2632 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2634 AC_SUBST(NOTIFY_OBJ)
2635 AC_SUBST(GFILENOTIFY_CFLAGS)
2636 AC_SUBST(GFILENOTIFY_LIBS)
2638 dnl Do not put whitespace before the #include statements below.
2639 dnl Older compilers (eg sunos4 cc) choke on it.
2642 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2643 if test "$with_xaw3d" != no; then
2644 AC_CACHE_VAL(emacs_cv_xaw3d,
2645 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2646 #include <X11/Intrinsic.h>
2647 #include <X11/Xaw3d/Simple.h>]],
2649 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2650 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2651 emacs_cv_xaw3d=no)])
2655 if test $emacs_cv_xaw3d = yes; then
2656 AC_MSG_CHECKING(for xaw3d)
2657 AC_MSG_RESULT([yes; using Lucid toolkit])
2661 AC_DEFINE(HAVE_XAW3D, 1,
2662 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2664 AC_MSG_CHECKING(for xaw3d)
2666 AC_MSG_CHECKING(for libXaw)
2667 AC_CACHE_VAL(emacs_cv_xaw,
2668 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2669 #include <X11/Intrinsic.h>
2670 #include <X11/Xaw/Simple.h>]],
2674 if test $emacs_cv_xaw = yes; then
2675 AC_MSG_RESULT([yes; using Lucid toolkit])
2678 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2679 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2681 AC_MSG_ERROR([No X toolkit could be found.
2682 If you are sure you want Emacs compiled without an X toolkit, pass
2684 to configure. Otherwise, install the development libraries for the toolkit
2685 that you want to use (e.g. Gtk+) and re-run configure.])
2690 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2694 if test "${USE_X_TOOLKIT}" != "none"; then
2695 AC_MSG_CHECKING(X11 toolkit version)
2696 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2697 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2698 [[#if XtSpecificationRelease < 6
2701 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2702 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2703 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2704 AC_MSG_RESULT(6 or newer)
2705 AC_DEFINE(HAVE_X11XTR6, 1,
2706 [Define to 1 if you have the X11R6 or newer version of Xt.])
2707 LIBXTR6="-lSM -lICE"
2709 ## Use libw.a along with X11R6 Xt.
2710 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2713 AC_MSG_RESULT(before 6)
2716 dnl If using toolkit, check whether libXmu.a exists.
2717 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2719 if test x$HAVE_X11XTR6 = xyes; then
2720 OTHERLIBS='-lXt -lSM -lICE'
2724 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2725 if test "X$LIBS" != "X$OLDLIBS"; then
2726 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2729 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2735 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2736 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2737 if test -d /usr/include/openmotif; then
2738 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2739 emacs_cv_openmotif=yes
2740 case "$canonical" in
2741 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2742 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2745 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2748 emacs_cv_openmotif=no
2750 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2751 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2752 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2755 Motif version prior to 2.1.
2757 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2758 if test $emacs_cv_motif_version_2_1 = yes; then
2759 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2760 if test x$emacs_cv_openmotif = xyes; then
2761 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2764 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2765 # We put this in CFLAGS temporarily to precede other -I options
2766 # that might be in CFLAGS temporarily.
2767 # We put this in CPPFLAGS where it precedes the other -I options.
2768 OLD_CPPFLAGS=$CPPFLAGS
2770 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2771 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2772 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2774 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2775 if test $emacs_cv_lesstif = yes; then
2776 # Make sure this -I option remains in CPPFLAGS after it is set
2777 # back to REAL_CPPFLAGS.
2778 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2779 # have those other -I options anyway. Ultimately, having this
2780 # directory ultimately in CPPFLAGS will be enough.
2781 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2782 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2785 CPPFLAGS=$OLD_CPPFLAGS
2788 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2789 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2792 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2793 dnl using Motif or Xaw3d is available, and unless
2794 dnl --with-toolkit-scroll-bars=no was specified.
2796 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2797 [Define to 1 if we should use toolkit scroll bars.])dnl
2798 USE_TOOLKIT_SCROLL_BARS=no
2799 if test "${with_toolkit_scroll_bars}" != "no"; then
2800 if test "${USE_X_TOOLKIT}" != "none"; then
2801 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2802 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2804 USE_TOOLKIT_SCROLL_BARS=yes
2805 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2806 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2807 USE_TOOLKIT_SCROLL_BARS=yes
2809 elif test "${HAVE_GTK}" = "yes"; then
2810 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2811 USE_TOOLKIT_SCROLL_BARS=yes
2812 elif test "${HAVE_NS}" = "yes"; then
2813 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2814 USE_TOOLKIT_SCROLL_BARS=yes
2815 elif test "${HAVE_W32}" = "yes"; then
2816 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2817 USE_TOOLKIT_SCROLL_BARS=yes
2821 dnl See if XIM is available.
2822 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2823 #include <X11/Xlib.h>
2824 #include <X11/Xresource.h>]],
2825 [[XIMProc callback;]])],
2827 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2830 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2832 if test "${with_xim}" != "no"; then
2833 AC_DEFINE(USE_XIM, 1,
2834 [Define to 1 if we should use XIM, if it is available.])
2838 if test "${HAVE_XIM}" != "no"; then
2840 if test "$GCC" = yes; then
2841 CFLAGS="$CFLAGS --pedantic-errors"
2843 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2844 #include <X11/Xlib.h>
2845 #include <X11/Xresource.h>]],
2851 XPointer *client_data;
2853 /* If we're not using GCC, it's probably not XFree86, and this is
2854 probably right, but we can't use something like --pedantic-errors. */
2855 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2856 char*, XIMProc, XPointer*);
2858 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2860 [emacs_cv_arg6_star=yes])
2861 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2862 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2863 either XPointer or XPointer*.])dnl
2864 if test "$emacs_cv_arg6_star" = yes; then
2865 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2867 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2872 ### Start of font-backend (under any platform) section.
2873 # (nothing here yet -- this is a placeholder)
2874 ### End of font-backend (under any platform) section.
2876 ### Start of font-backend (under X11) section.
2877 if test "${HAVE_X11}" = "yes"; then
2878 ## Use -lXft if available, unless `--with-xft=no'.
2880 if test "x${with_x}" = "xno"; then
2884 if test "$with_xft" != no; then
2885 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2886 with_xft=$HAVE_FONTCONFIG
2889 if test "x${with_xft}" != "xno"; then
2891 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2892 ## Because xftfont.c uses XRenderQueryExtension, we also
2893 ## need to link to -lXrender.
2895 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2896 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2897 OLD_CPPFLAGS="$CPPFLAGS"
2898 OLD_CFLAGS="$CFLAGS"
2900 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2901 CFLAGS="$CFLAGS $XFT_CFLAGS"
2902 XFT_LIBS="-lXrender $XFT_LIBS"
2903 LIBS="$XFT_LIBS $LIBS"
2904 AC_CHECK_HEADER(X11/Xft/Xft.h,
2905 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2906 [[#include <X11/X.h>]])
2908 if test "${HAVE_XFT}" = "yes"; then
2909 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2911 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2912 fi # "${HAVE_XFT}" = "yes"
2913 CPPFLAGS=$OLD_CPPFLAGS
2916 fi # "$HAVE_XFT" != no
2917 fi # "x${with_xft}" != "xno"
2919 ## We used to allow building with FreeType and without Xft.
2920 ## However, the ftx font backend driver is not in good shape.
2921 if test "$HAVE_XFT" != "yes"; then
2922 dnl For the "Does Emacs use" message at the end.
2926 dnl Strict linkers fail with
2927 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2928 dnl if -lfreetype is not specified.
2929 dnl The following is needed to set FREETYPE_LIBS.
2930 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2932 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2936 if test "${HAVE_FREETYPE}" = "yes"; then
2937 AC_DEFINE(HAVE_FREETYPE, 1,
2938 [Define to 1 if using the freetype and fontconfig libraries.])
2939 if test "${with_libotf}" != "no"; then
2940 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2941 if test "$HAVE_LIBOTF" = "yes"; then
2942 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2943 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2944 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2945 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2946 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2947 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2948 [Define to 1 if libotf has OTF_get_variation_glyphs.])
2952 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2953 dnl Does the new font backend require it, or can it work without it?
2957 if test "${HAVE_LIBOTF}" = yes; then
2958 if test "${with_m17n_flt}" != "no"; then
2959 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
2960 if test "$HAVE_M17N_FLT" = "yes"; then
2961 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2972 ### End of font-backend (under X11) section.
2974 AC_SUBST(FREETYPE_CFLAGS)
2975 AC_SUBST(FREETYPE_LIBS)
2976 AC_SUBST(FONTCONFIG_CFLAGS)
2977 AC_SUBST(FONTCONFIG_LIBS)
2978 AC_SUBST(LIBOTF_CFLAGS)
2979 AC_SUBST(LIBOTF_LIBS)
2980 AC_SUBST(M17N_FLT_CFLAGS)
2981 AC_SUBST(M17N_FLT_LIBS)
2983 ### Use -lXpm if available, unless `--with-xpm=no'.
2984 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
2987 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
2988 if test "${with_xpm}" != "no"; then
2989 SAVE_CPPFLAGS="$CPPFLAGS"
2990 SAVE_LDFLAGS="$LDFLAGS"
2991 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
2992 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
2993 AC_CHECK_HEADER(X11/xpm.h,
2994 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
2995 if test "${HAVE_XPM}" = "yes"; then
2996 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2997 AC_EGREP_CPP(no_return_alloc_pixels,
2998 [#include "X11/xpm.h"
2999 #ifndef XpmReturnAllocPixels
3000 no_return_alloc_pixels
3002 ], HAVE_XPM=no, HAVE_XPM=yes)
3004 if test "${HAVE_XPM}" = "yes"; then
3005 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3009 CPPFLAGS="$SAVE_CPPFLAGS"
3010 LDFLAGS="$SAVE_LDFLAGS"
3015 if test "${HAVE_XPM}" = "yes"; then
3016 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3021 if test "${HAVE_X11}" = "yes"; then
3022 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3023 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3025 if test "${with_xpm}" != "no"; then
3026 AC_CHECK_HEADER(X11/xpm.h,
3027 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3028 if test "${HAVE_XPM}" = "yes"; then
3029 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3030 AC_EGREP_CPP(no_return_alloc_pixels,
3031 [#include "X11/xpm.h"
3032 #ifndef XpmReturnAllocPixels
3033 no_return_alloc_pixels
3035 ], HAVE_XPM=no, HAVE_XPM=yes)
3037 if test "${HAVE_XPM}" = "yes"; then
3045 if test "${HAVE_XPM}" = "yes"; then
3046 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3048 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3049 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3054 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3055 ### slightly different requirements wrt image libraries (it doesn't
3056 ### use -lXpm because it loads the xpm shared library dynamically at
3058 if test "${opsys}" = "mingw32"; then
3059 if test "${with_xpm}" != "no"; then
3060 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3064 if test "${HAVE_XPM}" = "yes"; then
3065 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3071 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3072 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3075 if test "${opsys}" = "mingw32"; then
3076 if test "${with_jpeg}" != "no"; then
3077 dnl Checking for jpeglib.h can lose because of a redefinition of
3079 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3081 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3082 if test "${HAVE_JPEG}" = "yes"; then
3083 AC_DEFINE(HAVE_JPEG)
3084 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3085 [#include <jpeglib.h>
3086 version=JPEG_LIB_VERSION
3088 [AC_DEFINE(HAVE_JPEG)],
3089 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3092 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3093 if test "${with_jpeg}" != "no"; then
3094 dnl Checking for jpeglib.h can lose because of a redefinition of
3096 AC_CHECK_HEADER(jerror.h,
3097 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3100 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3101 if test "${HAVE_JPEG}" = "yes"; then
3102 AC_DEFINE(HAVE_JPEG)
3103 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3104 [#include <jpeglib.h>
3105 version=JPEG_LIB_VERSION
3107 [AC_DEFINE(HAVE_JPEG)],
3108 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3111 if test "${HAVE_JPEG}" = "yes"; then
3119 if test "${with_zlib}" != "no"; then
3121 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3123 case $ac_cv_search_inflateEnd in
3124 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3127 if test "${HAVE_ZLIB}" = "yes"; then
3128 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3129 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3130 if test "${opsys}" = "mingw32"; then
3136 ### Use -lpng if available, unless `--with-png=no'.
3140 if test "${NS_IMPL_COCOA}" = yes; then
3142 elif test "${with_png}" != no; then
3143 # mingw32 loads the library dynamically.
3144 if test "$opsys" = mingw32; then
3145 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3146 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3147 AC_MSG_CHECKING([for png])
3148 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3149 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3150 # libpng-config does not work; configure by hand.
3151 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3152 # in /usr/include/libpng.
3153 if test -r /usr/include/libpng/png.h &&
3154 test ! -r /usr/include/png.h; then
3155 png_cflags=-I/usr/include/libpng
3163 CFLAGS="$CFLAGS $png_cflags"
3164 LIBS="$png_libs -lz -lm $LIBS"
3166 [AC_LANG_PROGRAM([[#include <png.h>]],
3167 [[return !png_get_channels (0, 0);]])],
3169 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3171 # $LIBPNG requires explicit -lz in some cases.
3172 # We don't know what those cases are, exactly, so play it safe and
3173 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3174 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3175 LIBPNG="$LIBPNG -lz"
3179 AC_MSG_RESULT([$HAVE_PNG])
3182 if test $HAVE_PNG = yes; then
3183 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3186 CFLAGS="$CFLAGS $PNG_CFLAGS"
3187 AC_CHECK_DECL([png_longjmp],
3189 [AC_DEFINE([PNG_DEPSTRUCT], [],
3190 [Define to empty to suppress deprecation warnings when building
3191 with --enable-gcc-warnings and with libpng versions before 1.5,
3192 which lack png_longjmp.])],
3198 AC_SUBST(PNG_CFLAGS)
3200 ### Use -ltiff if available, unless `--with-tiff=no'.
3201 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3204 if test "${opsys}" = "mingw32"; then
3205 if test "${with_tiff}" != "no"; then
3206 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3208 if test "${HAVE_TIFF}" = "yes"; then
3209 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3211 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3212 if test "${with_tiff}" != "no"; then
3213 AC_CHECK_HEADER(tiffio.h,
3215 # At least one tiff package requires the jpeg library.
3216 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3217 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3220 if test "${HAVE_TIFF}" = "yes"; then
3221 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3222 dnl FIXME -lz -lm, as per libpng?
3228 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3229 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3232 if test "${opsys}" = "mingw32"; then
3233 if test "${with_gif}" != "no"; then
3234 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3236 if test "${HAVE_GIF}" = "yes"; then
3237 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3239 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3240 || test "${HAVE_W32}" = "yes"; then
3241 AC_CHECK_HEADER(gif_lib.h,
3242 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3243 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3244 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3245 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3247 if test "$HAVE_GIF" = yes; then
3249 elif test "$HAVE_GIF" = maybe; then
3250 # If gif_lib.h but no libgif, try libungif.
3251 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3252 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3255 if test "${HAVE_GIF}" = "yes"; then
3256 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3261 dnl Check for required libraries.
3262 if test "${HAVE_X11}" = "yes"; then
3265 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3266 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3267 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3268 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3269 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3270 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3271 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3272 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3273 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3274 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3276 if test "X${MISSING}" != X; then
3277 AC_MSG_ERROR([The following required libraries were not found:
3279 Maybe some development libraries/packages are missing?
3280 If you don't want to link with them give
3282 as options to configure])
3286 ### Use -lgpm if available, unless `--with-gpm=no'.
3289 if test "${with_gpm}" != "no"; then
3290 AC_CHECK_HEADER(gpm.h,
3291 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3293 if test "${HAVE_GPM}" = "yes"; then
3294 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3300 dnl Check for malloc/malloc.h on darwin
3301 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3304 ### Use NeXTstep API to implement GUI.
3305 if test "${HAVE_NS}" = "yes"; then
3306 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3307 if test "${NS_IMPL_COCOA}" = "yes"; then
3308 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3310 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3311 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3312 # See also .m.o rule in Makefile.in */
3313 # FIXME: are all these flags really needed? Document here why. */
3314 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3315 ## Extra CFLAGS applied to src/*.m files.
3316 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3321 ### Use session management (-lSM -lICE) if available
3324 if test "${HAVE_X11}" = "yes"; then
3325 AC_CHECK_HEADER(X11/SM/SMlib.h,
3326 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3328 if test "${HAVE_X_SM}" = "yes"; then
3329 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3335 ### Use XRandr (-lXrandr) if available
3337 if test "${HAVE_X11}" = "yes"; then
3338 XRANDR_REQUIRED=1.2.2
3339 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3340 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3341 if test $HAVE_XRANDR = no; then
3342 # Test old way in case pkg-config doesn't have it (older machines).
3343 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3344 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
3345 if test $HAVE_XRANDR = yes; then
3346 XRANDR_LIBS=-lXrandr
3349 if test $HAVE_XRANDR = yes; then
3350 SAVE_CFLAGS="$CFLAGS"
3352 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3353 LIBS="$XRANDR_LIBS $LIBS"
3354 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3355 CFLAGS="$SAVE_CFLAGS"
3358 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3361 AC_SUBST(XRANDR_CFLAGS)
3362 AC_SUBST(XRANDR_LIBS)
3364 ### Use Xinerama (-lXinerama) if available
3366 if test "${HAVE_X11}" = "yes"; then
3367 XINERAMA_REQUIRED=1.0.2
3368 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3369 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3370 if test $HAVE_XINERAMA = no; then
3371 # Test old way in case pkg-config doesn't have it (older machines).
3372 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3373 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3374 if test $HAVE_XINERAMA = yes; then
3375 XINERAMA_LIBS=-lXinerama
3378 if test $HAVE_XINERAMA = yes; then
3379 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3382 AC_SUBST(XINERAMA_CFLAGS)
3383 AC_SUBST(XINERAMA_LIBS)
3385 ### Use Xfixes (-lXfixes) if available
3387 if test "${HAVE_X11}" = "yes"; then
3388 XFIXES_REQUIRED=4.0.0
3389 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3390 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3391 if test $HAVE_XFIXES = no; then
3392 # Test old way in case pkg-config doesn't have it (older machines).
3393 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3394 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3395 if test $HAVE_XFIXES = yes; then
3396 XFIXES_LIBS=-lXfixes
3399 if test $HAVE_XFIXES = yes; then
3400 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3403 AC_SUBST(XFIXES_CFLAGS)
3404 AC_SUBST(XFIXES_LIBS)
3406 ### Use libxml (-lxml2) if available
3407 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3409 if test "${with_xml2}" != "no"; then
3410 ### I'm not sure what the version number should be, so I just guessed.
3411 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3412 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3413 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3414 SAVE_CPPFLAGS="$CPPFLAGS"
3415 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3416 AC_CHECK_HEADER(libxml/HTMLparser.h,
3417 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3418 [#include <libxml/HTMLparser.h>])])
3419 CPPFLAGS="$SAVE_CPPFLAGS"
3420 if test "${HAVE_LIBXML2}" = "yes"; then
3421 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3422 LIBXML2_LIBS="-lxml2"
3425 if test "${HAVE_LIBXML2}" = "yes"; then
3426 if test "${opsys}" != "mingw32"; then
3427 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3432 if test "${HAVE_LIBXML2}" = "yes"; then
3433 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3440 AC_SUBST(LIBXML2_LIBS)
3441 AC_SUBST(LIBXML2_CFLAGS)
3443 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3444 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3445 if test "${opsys}" = "mingw32"; then
3446 emacs_cv_netdb_declares_h_errno=yes
3448 AC_CACHE_CHECK(whether netdb declares h_errno,
3449 emacs_cv_netdb_declares_h_errno,
3450 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3451 [[return h_errno;]])],
3452 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3453 if test $emacs_cv_netdb_declares_h_errno = yes; then
3454 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3457 # Check for mail-locking functions in a "mail" library. Probably this should
3458 # have the same check as for liblockfile below.
3459 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3460 if test $have_mail = yes; then
3462 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3465 LIBS="$LIBS_MAIL $LIBS"
3466 AC_CHECK_FUNCS(touchlock)
3471 dnl Debian, at least:
3472 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3473 if test $have_lockfile = yes; then
3474 LIBS_MAIL=-llockfile
3475 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3477 # If we have the shared liblockfile, assume we must use it for mail
3478 # locking (e.g. Debian). If we couldn't link against liblockfile
3479 # (no liblockfile.a installed), ensure that we don't need to.
3480 dnl This works for files generally, not just executables.
3481 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3482 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3483 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3484 if test $ac_cv_prog_liblockfile = yes; then
3485 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3486 This probably means that movemail could lose mail.
3487 There may be a `development' package to install containing liblockfile.])
3490 AC_CHECK_HEADERS_ONCE(maillock.h)
3493 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3494 ## interlock access to the mail spool. The alternative is a lock file named
3495 ## /usr/spool/mail/$USER.lock.
3498 aix4-2) mail_lock="lockf" ;;
3500 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3502 ## On GNU/Linux systems, both methods are used by various mail programs.
3503 ## I assume most people are using newer mailers that have heard of flock.
3504 ## Change this if you need to.
3505 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3506 ## configure gets the right answers, and that means *NOT* using flock.
3507 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3508 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3509 ## Debian maintainer hasn't provided a clean fix for Emacs.
3510 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3511 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3512 ## correct logic. -- fx
3513 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3514 ## liblockfile is a Free Software replacement for libmail, used on
3515 ## Debian systems and elsewhere. -rfr.
3518 if test $have_mail = yes || test $have_lockfile = yes; then
3519 test $ac_cv_header_maillock_h = yes && mail_lock=no
3524 mail_lock="none-needed" ;;
3528 case "$mail_lock" in
3529 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3531 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3535 *) BLESSMAIL_TARGET="need-blessmail" ;;
3537 AC_SUBST(BLESSMAIL_TARGET)
3540 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3541 AC_CHECK_FUNCS(accept4 gethostname \
3542 getrusage get_current_dir_name \
3543 lrand48 random rint \
3544 select getpagesize setlocale \
3545 getrlimit setrlimit shutdown getaddrinfo \
3546 pthread_sigmask strsignal setitimer \
3547 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3549 getpwent endpwent getgrent endgrent \
3550 cfmakeraw cfsetspeed copysign __executable_start log2)
3553 dnl No need to check for aligned_alloc and posix_memalign if using
3554 dnl gmalloc.o, as it supplies them. Don't use these functions on
3555 dnl Darwin as they are incompatible with unexmacosx.c.
3556 if test -z "$GMALLOC_OBJ" && test "$opsys" != darwin; then
3557 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3560 dnl Cannot use AC_CHECK_FUNCS
3561 AC_CACHE_CHECK([for __builtin_unwind_init],
3562 emacs_cv_func___builtin_unwind_init,
3563 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3564 emacs_cv_func___builtin_unwind_init=yes,
3565 emacs_cv_func___builtin_unwind_init=no)])
3566 if test $emacs_cv_func___builtin_unwind_init = yes; then
3567 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3568 [Define to 1 if you have the `__builtin_unwind_init' function.])
3571 AC_CHECK_HEADERS_ONCE(sys/un.h)
3576 AC_CHECK_FUNCS(grantpt)
3578 # PTY-related GNU extensions.
3579 AC_CHECK_FUNCS(getpt posix_openpt)
3581 # Check this now, so that we will NOT find the above functions in ncurses.
3582 # That is because we have not set up to link ncurses in lib-src.
3583 # It's better to believe a function is not available
3584 # than to expect to find it in ncurses.
3585 # Also we need tputs and friends to be able to build at all.
3586 AC_MSG_CHECKING([for library containing tputs])
3587 # Run a test program that contains a call to tputs, a call that is
3588 # never executed. This tests whether a pre-'main' dynamic linker
3589 # works with the library. It's too much trouble to actually call
3590 # tputs in the test program, due to portability hassles. When
3591 # cross-compiling, assume the test program will run if it links.
3592 AC_DEFUN([tputs_link_source], [
3594 [[extern void tputs (const char *, int, int (*)(int));
3595 int main (int argc, char **argv)
3598 tputs (argv[0], 0, 0);
3602 if test "${opsys}" = "mingw32"; then
3605 # Maybe curses should be tried earlier?
3606 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3607 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3609 if test -z "$tputs_library"; then
3613 LIBS_TERMCAP=-l$tputs_library
3615 LIBS="$LIBS_TERMCAP $LIBS"
3617 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3618 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3620 if test "X$msg" != Xno; then
3625 AC_MSG_RESULT([$msg])
3626 if test "X$msg" = Xno; then
3627 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3628 The following libraries were tried (in order):
3629 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3630 Please try installing whichever of these libraries is most appropriate
3631 for your system, together with its header files.
3632 For example, a libncurses-dev(el) or similar package.])
3635 ## Use termcap instead of terminfo?
3636 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3638 ## FIXME? In the cases below where we unconditionally set
3639 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3640 ## if that was found above to have tputs.
3641 ## Should we use the gnu* logic everywhere?
3643 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3644 ## The ncurses library has been moved out of the System framework in
3645 ## Mac OS X 10.2. So if configure detects it, set the command-line
3646 ## option to use it.
3647 darwin) LIBS_TERMCAP="-lncurses" ;;
3649 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3652 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3653 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3654 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3655 [[#if __FreeBSD_version < 400000
3658 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3660 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3662 if test $emacs_cv_freebsd_terminfo = yes; then
3663 LIBS_TERMCAP="-lncurses"
3666 LIBS_TERMCAP="-ltermcap"
3676 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3678 LIBS_TERMCAP="-ltermcap"
3682 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3684 ## hpux: Make sure we get select from libc rather than from libcurses
3685 ## because libcurses on HPUX 10.10 has a broken version of select.
3686 ## We used to use -lc -lcurses, but this may be cleaner.
3687 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3688 # set that way, now it uses the default). Isn't this a contradiction?
3689 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3693 TERMCAP_OBJ=tparam.o
3694 if test $TERMINFO = yes; then
3695 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3696 TERMCAP_OBJ=terminfo.o
3698 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3699 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3701 AC_SUBST(LIBS_TERMCAP)
3702 AC_SUBST(TERMCAP_OBJ)
3705 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3706 # On Darwin, res_init appears not to be useful: see bug#562 and
3707 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3710 if test $opsys != darwin; then
3712 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3713 #include <arpa/nameser.h>
3714 #include <resolv.h>]],
3715 [[return res_init();]])],
3716 have_res_init=yes, have_res_init=no)
3717 if test "$have_res_init" = no; then
3719 LIBS="$LIBS -lresolv"
3720 AC_MSG_CHECKING(for res_init with -lresolv)
3721 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3722 #include <arpa/nameser.h>
3723 #include <resolv.h>]],
3724 [[return res_init();]])],
3725 have_res_init=yes, have_res_init=no)
3726 AC_MSG_RESULT($have_res_init)
3727 if test "$have_res_init" = yes ; then
3733 if test "$have_res_init" = yes; then
3734 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3738 # Do we need the Hesiod library to provide the support routines?
3739 dnl FIXME? Should we be skipping this on Darwin too?
3741 if test "$with_hesiod" != no ; then
3742 # Don't set $LIBS here -- see comments above. FIXME which comments?
3743 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3744 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3745 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3746 if test "$resolv" = yes ; then
3751 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3752 hesiod=yes, :, $RESOLVLIB)])
3754 if test x"$hesiod" = xyes; then
3760 # Do we need libresolv (due to res_init or Hesiod)?
3761 if test "$resolv" = yes && test $opsys != darwin; then
3768 # These tell us which Kerberos-related libraries to use.
3775 if test "${with_kerberos}" != no; then
3777 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3778 if test $have_com_err = yes; then
3779 COM_ERRLIB=-lcom_err
3780 LIBS="$COM_ERRLIB $LIBS"
3782 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3783 if test $have_crypto = yes; then
3785 LIBS="$CRYPTOLIB $LIBS"
3787 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3788 if test $have_k5crypto = yes; then
3789 CRYPTOLIB=-lk5crypto
3790 LIBS="$CRYPTOLIB $LIBS"
3792 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3793 if test $have_krb5=yes; then
3795 LIBS="$KRB5LIB $LIBS"
3797 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3798 if test "${with_kerberos5}" = no; then
3799 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3800 if test $have_des425 = yes; then
3802 LIBS="$DESLIB $LIBS"
3804 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3805 if test $have_des = yes; then
3807 LIBS="$DESLIB $LIBS"
3810 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3811 if test $have_krb4 = yes; then
3813 LIBS="$KRB4LIB $LIBS"
3815 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3816 if test $have_krb = yes; then
3818 LIBS="$KRB4LIB $LIBS"
3823 if test "${with_kerberos5}" != no; then
3824 AC_CHECK_HEADERS(krb5.h,
3825 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3826 [#include <krb5.h>])])
3828 AC_CHECK_HEADERS(krb.h,,
3829 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3830 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3832 AC_CHECK_HEADERS(com_err.h)
3836 AC_SUBST(COM_ERRLIB)
3842 AC_CHECK_HEADERS(valgrind/valgrind.h)
3844 AC_CHECK_FUNCS_ONCE(tzset)
3845 AC_MSG_CHECKING(whether localtime caches TZ)
3846 AC_CACHE_VAL(emacs_cv_localtime_cache,
3847 [if test x$ac_cv_func_tzset = xyes; then
3848 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <time.h>
3849 char TZ_GMT0[] = "TZ=GMT0";
3850 char TZ_PST8[] = "TZ=PST8";
3853 time_t now = time ((time_t *) 0);
3854 int hour_GMT0, hour_unset;
3855 if (putenv (TZ_GMT0) != 0)
3857 hour_GMT0 = localtime (&now)->tm_hour;
3859 hour_unset = localtime (&now)->tm_hour;
3860 if (putenv (TZ_PST8) != 0)
3862 if (localtime (&now)->tm_hour == hour_GMT0)
3865 if (localtime (&now)->tm_hour != hour_unset)
3868 }]])], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
3869 [# If we have tzset, assume the worst when cross-compiling.
3870 emacs_cv_localtime_cache=yes])
3872 # If we lack tzset, report that localtime does not cache TZ,
3873 # since we can't invalidate the cache if we don't have tzset.
3874 emacs_cv_localtime_cache=no
3876 AC_MSG_RESULT($emacs_cv_localtime_cache)
3877 if test $emacs_cv_localtime_cache = yes; then
3878 AC_DEFINE(LOCALTIME_CACHE, 1,
3879 [Define to 1 if localtime caches TZ.])
3883 AC_CHECK_FUNC(socket, , ok_so_far=no)
3884 if test $ok_so_far = yes; then
3885 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3887 if test $ok_so_far = yes; then
3888 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3890 if test $ok_so_far = yes; then
3891 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3892 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3893 [Define to 1 if you have inet sockets.])
3898 AC_CHECK_FUNCS(snprintf)
3900 dnl Check for glib. This differs from other library checks in that
3901 dnl Emacs need not link to glib unless some other library is already
3902 dnl linking to glib. Although glib provides no facilities that Emacs
3903 dnl needs for its own purposes, when glib is present Emacs needs to
3904 dnl use primitives like g_main_context_query to avoid clashing with
3905 dnl glib at a low level.
3907 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3911 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3912 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3913 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3914 LIBS="$LIBS $GFILENOTIFY_LIBS"
3915 AC_MSG_CHECKING([whether GLib is linked in])
3916 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3919 [[g_print ("Hello world");]])],
3922 AC_MSG_RESULT([$links_glib])
3923 if test "${links_glib}" = "yes"; then
3924 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3925 if test "$HAVE_NS" = no;then
3933 dnl Adapted from Haible's version.
3934 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3935 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3936 [[char* cs = nl_langinfo(CODESET);]])],
3937 emacs_cv_langinfo_codeset=yes,
3938 emacs_cv_langinfo_codeset=no)
3940 if test $emacs_cv_langinfo_codeset = yes; then
3941 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3942 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3947 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
3948 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void fred (int x[__restrict]);]], [[]])],
3949 emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
3950 if test "$emacs_cv_c_restrict_arr" = yes; then
3951 AC_DEFINE(__restrict_arr, __restrict,
3952 [Define to compiler's equivalent of C99 restrict keyword in array
3953 declarations. Define as empty for no equivalent.])
3956 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
3957 dnl how the tty code is related to POSIX and/or other versions of termios.
3958 dnl The following looks like a useful start.
3960 dnl AC_SYS_POSIX_TERMIOS
3961 dnl if test $ac_cv_sys_posix_termios = yes; then
3962 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
3963 dnl and macros for terminal control.])
3964 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
3967 dnl Turned on June 1996 supposing nobody will mind it.
3968 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
3969 if test "${opsys}" != "mingw32"; then
3970 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
3971 in the full name stands for the login id.])
3974 dnl Everybody supports this, except MS.
3975 dnl Seems like the kind of thing we should be testing for, though.
3976 ## Note: PTYs are broken on darwin <6. Use at your own risk.
3977 if test "${opsys}" != "mingw32"; then
3978 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
3981 dnl Everybody supports this, except MS-DOS.
3982 dnl Seems like the kind of thing we should be testing for, though.
3983 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
3984 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
3985 4.2-compatible sockets.])
3987 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
3989 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
3990 a null file, or a data sink.])
3991 if test "${opsys}" = "mingw32"; then
3992 AC_DEFINE(NULL_DEVICE, ["NUL:"])
3994 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
3997 if test "${opsys}" = "mingw32"; then
4002 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4003 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4004 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4005 dnl decides that a command-line argument to be passed to a MinGW program
4006 dnl is a PATH-style list of directories. But that heuristics plays it
4007 dnl safe, and only does the replacement when it is _absolutely_ sure it
4008 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4009 dnl which breaks in-tree builds. So we do this manually instead.
4010 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4011 dnl be computed as ':' in MSYS Bash.
4014 dnl Everybody supports this, except MS-DOS.
4015 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4017 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4020 AC_DEFINE(DIRECTORY_SEP, ['/'],
4021 [Character that separates directories in a file name.])
4023 if test "${opsys}" = "mingw32"; then
4024 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4025 [Returns true if character is a device separator.])
4027 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4028 [Returns true if character is a directory separator.])
4030 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4031 [Returns true if character is any form of separator.])
4033 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4034 [Returns true if character is a device separator.])
4036 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4037 [Returns true if character is a directory separator.])
4039 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4040 [Returns true if character is any form of separator.])
4043 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4047 dnl Unfortunately without libXmu we cannot support EditRes.
4048 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4049 AC_DEFINE(NO_EDITRES, 1)
4054 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4055 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4056 AC_DEFINE(NO_EDITRES, 1)
4062 irix6-5 | sol2* | unixware )
4063 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4064 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4065 dnl need the constant to dimension an array. So wire in the appropriate
4067 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4071 emacs_broken_SIGIO=no
4074 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4075 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4076 hpux* | irix6-5 | openbsd | sol2* | unixware )
4077 emacs_broken_SIGIO=yes
4081 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4082 dnl the way this system works, libc functions that return malloced
4083 dnl memory use the libc malloc implementation. Calling xfree or
4084 dnl xrealloc on the results of such functions results in a crash.
4086 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4087 dnl but that does not currently work on this system.
4089 dnl It is possible to completely override the malloc implementation on
4090 dnl AIX, but that involves putting the malloc functions in a shared
4091 dnl library and setting the MALLOCTYPE environment variable to point to
4092 dnl that shared library.
4094 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4095 dnl to avoid a crash just use the Emacs implementation for that function.
4097 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4098 dnl of this file, so that we do not check for get_current_dir_name
4099 dnl on AIX. But that might be fragile if something else ends
4100 dnl up testing for get_current_dir_name as a dependency.
4101 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4102 get_current_dir_name should not be used.])
4106 dnl Circumvent a bug in FreeBSD. In the following sequence of
4107 dnl writes/reads on a PTY, read(2) returns bogus data:
4109 dnl write(2) 1022 bytes
4110 dnl write(2) 954 bytes, get EAGAIN
4111 dnl read(2) 1024 bytes in process_read_output
4112 dnl read(2) 11 bytes in process_read_output
4114 dnl That is, read(2) returns more bytes than have ever been written
4115 dnl successfully. The 1033 bytes read are the 1022 bytes written
4116 dnl successfully after processing (for example with CRs added if the
4117 dnl terminal is set up that way which it is here). The same bytes will
4118 dnl be seen again in a later read(2), without the CRs.
4119 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4120 work around an issue when reading from a PTY.])
4126 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4127 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4132 darwin | dragonfly | freebsd | netbsd | openbsd )
4133 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4134 close a pty to make it a controlling terminal (it is already a
4135 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4139 dnl FIXME Surely we can test for this rather than hard-code it.
4141 netbsd | openbsd) sound_device="/dev/audio" ;;
4142 *) sound_device="/dev/dsp" ;;
4146 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4147 [Name of the default sound device.])
4150 dnl Emacs can read input using SIGIO and buffering characters itself,
4151 dnl or using CBREAK mode and making C-g cause SIGINT.
4152 dnl The choice is controlled by the variable interrupt_input.
4154 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4156 dnl Emacs uses the presence of the USABLE_SIGIO macro
4157 dnl to indicate whether or not signal-driven I/O is possible. It uses
4158 dnl INTERRUPT_INPUT to decide whether to use it by default.
4160 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4161 dnl CBREAK mode has two disadvantages
4162 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4163 dnl I hear that in system V this problem does not exist.
4164 dnl 2) Control-G causes output to be discarded.
4165 dnl I do not know whether this can be fixed in system V.
4167 dnl Another method of doing input is planned but not implemented.
4168 dnl It would have Emacs fork off a separate process
4169 dnl to read the input and send it to the true Emacs process
4172 darwin | gnu-linux | gnu-kfreebsd )
4173 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4178 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4179 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4180 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4181 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4182 dnl taking float or double parameters.
4184 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4185 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4186 file defines `NeedWidePrototypes' as `NO'.])
4191 dnl Used in process.c, this must be a loop, even if it only runs once.
4192 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4193 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4194 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4195 dnl trying suffixes 0-16.
4196 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4197 first PTY, if PTYs are supported.])
4198 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4199 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4200 end of a PTY, if non-standard.])
4201 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4202 end of a PTY, if non-standard.])
4206 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4207 dnl You allocate a pty by opening /dev/ptc to get the master side.
4208 dnl To get the name of the slave side, you just ttyname() the master side.
4209 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4210 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4214 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4215 dnl multi-line AC_DEFINEs are hard. :(
4216 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)])
4217 AC_DEFINE(PTY_NAME_SPRINTF, [])
4218 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4221 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4223 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4224 dnl Not used, because PTY_ITERATION is defined.
4225 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4226 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4227 dnl But we don't have to block SIGCHLD because it is blocked in the
4228 dnl implementation of grantpt.
4229 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4230 AC_DEFINE(PTY_NAME_SPRINTF, [])
4231 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4235 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4238 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4240 if test "x$ac_cv_func_grantpt" = xyes; then
4241 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4242 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4243 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4244 dnl to prevent sigchld_handler from intercepting the child's death.
4245 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); }])
4246 dnl if HAVE_POSIX_OPENPT
4247 if test "x$ac_cv_func_posix_openpt" = xyes; then
4248 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4249 AC_DEFINE(PTY_NAME_SPRINTF, [])
4251 elif test "x$ac_cv_func_getpt" = xyes; then
4252 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4253 AC_DEFINE(PTY_NAME_SPRINTF, [])
4255 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4258 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4263 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4264 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4265 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4269 dnl It looks like this cannot be right, because it is not a loop.
4270 dnl However, process.c actually does this:
4276 dnl which presumably makes it OK, since irix == sgi (?).
4277 dnl FIXME it seems like this special treatment is unnecessary?
4278 dnl Why can't irix use a single-trip loop like eg cygwin?
4279 AC_DEFINE(PTY_ITERATION, [])
4280 dnl Not used, because PTY_ITERATION is defined.
4281 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4282 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); }])
4283 dnl No need to get the pty name at all.
4284 AC_DEFINE(PTY_NAME_SPRINTF, [])
4285 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4286 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4290 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4291 dnl from intercepting that death. If any child but grantpt's should die
4292 dnl within, it should be caught after sigrelse(2).
4293 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); }])
4297 dnl Comments are as per sol2*.
4298 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); }])
4305 dnl This change means that we don't loop through allocate_pty too
4306 dnl many times in the (rare) event of a failure.
4307 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4308 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4309 dnl Push various streams modules onto a PTY channel. Used in process.c.
4310 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.])
4315 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4316 "typing" a signal character on the pty.])
4319 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4320 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4321 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4322 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4325 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4326 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4327 gnu-linux | gnu-kfreebsd )
4329 AC_MSG_CHECKING([for signals via characters])
4330 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4331 #include <linux/version.h>
4332 #if LINUX_VERSION_CODE < 0x20400
4333 # error "Linux version too old"
4335 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4337 AC_MSG_RESULT([$emacs_signals_via_chars])
4338 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4343 AH_TEMPLATE(TAB3, [Undocumented.])
4346 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4348 gnu | dragonfly | freebsd | netbsd | openbsd )
4349 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4350 AC_DEFINE(TAB3, OXTABS)
4353 gnu-linux | gnu-kfreebsd )
4354 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4358 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4359 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4360 [Mark a secondary stack, like the register stack on the ia64.]), [])
4364 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4365 run_time_remap; for HPUX.])
4370 dnl This won't be used automatically yet. We also need to know, at least,
4371 dnl that the stack is continuous.
4372 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4373 registers relevant for conservative garbage collection in the jmp_buf.])
4377 dnl Not all the architectures are tested, but there are Debian packages
4378 dnl for SCM and/or Guile on them, so the technique must work. See also
4379 dnl comments in alloc.c concerning setjmp and gcc.
4380 dnl Fixme: it's probably safe to just use the GCC conditional below.
4381 gnu-linux | gnu-kfreebsd )
4382 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4383 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4384 || defined __alpha__ || defined __mips__ || defined __s390__ \
4385 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4386 || defined __ia64__ || defined __sh__
4389 # error "setjmp not known to work on this arch"
4391 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4396 if test x$GCC = xyes; then
4397 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4398 AC_DEFINE(GC_SETJMP_WORKS, 1)
4401 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4402 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4403 AC_DEFINE(GC_SETJMP_WORKS, 1)
4408 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4409 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4412 [[#include <setjmp.h>
4414 # define _longjmp longjmp
4419 _longjmp (j, 1);]])],
4420 [emacs_cv_func__setjmp=yes],
4421 [emacs_cv_func__setjmp=no])])
4422 if test $emacs_cv_func__setjmp = yes; then
4423 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4425 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4428 [[#include <setjmp.h>
4431 if (! sigsetjmp (j, 1))
4432 siglongjmp (j, 1);]])],
4433 [emacs_cv_func_sigsetjmp=yes],
4434 [emacs_cv_func_sigsetjmp=no])])
4435 if test $emacs_cv_func_sigsetjmp = yes; then
4436 AC_DEFINE([HAVE_SIGSETJMP], 1,
4437 [Define to 1 if sigsetjmp and siglongjmp work.
4438 The value of this symbol is irrelevant if HAVE__SETJMP is defined.])
4444 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4445 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4446 dnl and this is all we need.
4447 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4454 dnl Used in xfaces.c.
4455 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4456 some systems, where it requires time.h.])
4461 dnl Define symbols to identify the version of Unix this is.
4462 dnl Define all the symbols that apply correctly.
4463 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4464 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4465 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4466 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4471 dnl This symbol should be defined on AIX Version 3 ???????
4472 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4474 # error "_AIX not defined"
4476 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4480 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4484 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4485 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4486 dnl distinguish OS X from pure Darwin.
4487 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4490 gnu-linux | gnu-kfreebsd )
4492 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4497 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4502 AC_DEFINE(USG5_4, [])
4503 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4507 AC_DEFINE(DOS_NT, [])
4508 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4509 if test "x$ac_enable_checking" != "x" ; then
4510 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4516 AC_DEFINE(USG5_4, [])
4517 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4522 AC_DEFINE(USG5_4, [])
4526 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4529 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4530 emacs_cv_usable_FIONREAD=no
4534 emacs_cv_usable_FIONREAD=yes
4539 [AC_LANG_PROGRAM([[#include <sys/types.h>
4540 #include <sys/ioctl.h>
4542 # include <sys/filio.h>
4545 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4546 [emacs_cv_usable_FIONREAD=yes],
4547 [emacs_cv_usable_FIONREAD=no])
4550 if test $emacs_cv_usable_FIONREAD = yes; then
4551 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4553 if test $emacs_broken_SIGIO = no; then
4554 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4556 [AC_LANG_PROGRAM([[#include <fcntl.h>
4559 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4560 [emacs_cv_usable_SIGIO=yes],
4561 [emacs_cv_usable_SIGIO=no])],
4562 [emacs_cv_usable_SIGIO=yes],
4563 [emacs_cv_usable_SIGIO=no])
4564 if test $emacs_cv_usable_SIGIO = yes; then
4565 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4572 dnl Emacs supplies its own malloc, but glib calls posix_memalign,
4573 dnl and on Cygwin prior to version 1.7.24 that becomes the
4574 dnl Cygwin-supplied posix_memalign. As malloc is not the Cygwin
4575 dnl malloc, the Cygwin posix_memalign always returns ENOSYS. A
4576 dnl workaround is to set G_SLICE=always-malloc. This is no longer
4577 dnl needed starting with cygwin-1.7.24, and it is no longer
4578 dnl effective starting with glib-2.36. */
4580 AC_DEFINE(G_SLICE_ALWAYS_MALLOC, 1, [Define to set the
4581 G_SLICE environment variable to "always-malloc" at startup.])
4585 dnl It works to open the pty's tty in the parent (Emacs), then
4586 dnl close and reopen it in the child.
4587 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4588 works to open a pty's tty in the parent process, then close and
4589 reopen it in the child.])
4593 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4594 use VSUSP instead of VSWTCH.])
4598 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4603 # Set up the CFLAGS for real compilation, so we can substitute it.
4604 CFLAGS="$REAL_CFLAGS"
4605 CPPFLAGS="$REAL_CPPFLAGS"
4608 ## Hack to detect a buggy GCC version.
4609 if test "x$GCC" = xyes \
4610 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4611 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4612 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4613 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4616 version=$PACKAGE_VERSION
4618 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4619 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4620 [Short copyright string for this version of Emacs.])
4623 ### Specify what sort of things we'll be editing into Makefile and config.h.
4624 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4626 AC_SUBST(configuration)
4631 AC_SUBST(exec_prefix)
4634 AC_SUBST(sharedstatedir)
4635 AC_SUBST(libexecdir)
4639 AC_SUBST(standardlisppath)
4640 AC_SUBST(locallisppath)
4642 AC_SUBST(x_default_search_path)
4644 AC_SUBST(archlibdir)
4649 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4650 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4651 ## end of LIBX_BASE, but nothing ever set it.
4652 AC_SUBST(LD_SWITCH_X_SITE)
4653 AC_SUBST(C_SWITCH_X_SITE)
4654 AC_SUBST(GNUSTEP_CFLAGS)
4656 ## Used in lwlib/Makefile.in.
4657 AC_SUBST(X_TOOLKIT_TYPE)
4659 AC_SUBST(ns_appbindir)
4660 AC_SUBST(ns_appresdir)
4662 AC_SUBST(GNU_OBJC_CFLAGS)
4663 AC_SUBST(OTHER_FILES)
4665 if test -n "${term_header}"; then
4666 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4667 [Define to the header for the built-in window system.])
4670 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4671 [Define to the canonical Emacs configuration name.])
4672 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4673 [Define to the options passed to configure.])
4674 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4675 define this to include extra configuration information.])
4679 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4686 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4687 AC_DEFINE(HAVE_X_WINDOWS, 1,
4688 [Define to 1 if you want to use the X window system.])
4690 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4692 if test "$HAVE_XFT" = "yes"; then
4693 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4694 elif test "$HAVE_FREETYPE" = "yes"; then
4695 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4705 if test "${USE_X_TOOLKIT}" != "none" ; then
4707 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4708 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4709 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4710 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4711 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4715 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4716 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4720 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4721 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4722 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4726 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4727 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4730 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4733 AC_SUBST(WIDGET_OBJ)
4736 case "$USE_X_TOOLKIT" in
4737 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4738 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4739 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4741 AC_SUBST(TOOLKIT_LIBW)
4743 if test "${opsys}" != "mingw32"; then
4744 if test "$USE_X_TOOLKIT" = "none"; then
4745 LIBXT_OTHER="\$(LIBXSM)"
4747 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4750 AC_SUBST(LIBXT_OTHER)
4752 if test "${HAVE_X11}" = "yes" ; then
4753 AC_DEFINE(HAVE_X11, 1,
4754 [Define to 1 if you want to use version 11 of X windows.])
4755 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4759 AC_SUBST(LIBX_OTHER)
4761 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4763 elif test "$USE_X_TOOLKIT" = none; then
4764 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4766 LIBXMENU='$(lwlibdir)/liblw.a'
4770 if test "${GNU_MALLOC}" = "yes" ; then
4771 AC_DEFINE(GNU_MALLOC, 1,
4772 [Define to 1 if you want to use the GNU memory allocator.])
4776 if test "${REL_ALLOC}" = "yes" ; then
4777 AC_DEFINE(REL_ALLOC, 1,
4778 [Define REL_ALLOC if you want to use the relocating allocator for
4781 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4783 AC_SUBST(RALLOC_OBJ)
4785 if test "$opsys" = "cygwin"; then
4786 CYGWIN_OBJ="sheap.o cygw32.o"
4787 ## Cygwin differs because of its unexec().
4789 POST_ALLOC_OBJ=lastfile.o
4790 elif test "$opsys" = "mingw32"; then
4793 POST_ALLOC_OBJ=lastfile.o
4796 PRE_ALLOC_OBJ=lastfile.o
4799 AC_SUBST(CYGWIN_OBJ)
4800 AC_SUBST(PRE_ALLOC_OBJ)
4801 AC_SUBST(POST_ALLOC_OBJ)
4803 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4804 dnl verbatim defined above. The tricky name is apropos, as this hack
4805 dnl makes Fortify go sour!
4806 AH_VERBATIM([FORTIFY_SOUR],
4807 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4808 The workaround disables some useful run-time checking, so it
4809 should be conditional to the platforms with the performance bug.
4810 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4811 #if defined __APPLE__ && defined __GNUC__
4812 # ifndef _DONT_USE_CTYPE_INLINE_
4813 # define _DONT_USE_CTYPE_INLINE_
4815 # ifndef _FORTIFY_SOURCE
4816 # define _FORTIFY_SOURCE 0
4821 # If user asks to omit features, disable optional features that gnulib
4822 # might otherwise enable.
4823 if test "$with_features" = no && test "$enable_acl" != yes; then
4827 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4828 # it temporarily reverts them to their pre-pkg-config values,
4829 # because gnulib needs to work with both src (which uses the
4830 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4831 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4832 # and it therefore needs to run in an environment where LIBS does not
4833 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4834 # for some package unrelated to lib-src.
4837 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4838 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4839 gl_ASSERT_NO_GNULIB_POSIXCHECK
4840 gl_ASSERT_NO_GNULIB_TESTS
4845 if test "${opsys}" = "mingw32"; then
4846 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4847 # Remove unneeded switches from the value of CC that goes to Makefiles
4848 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4852 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4855 ## The -headerpad option tells ld (see man page) to leave room at the
4856 ## end of the header for adding load commands. Needed for dumping.
4857 ## 0x690 is the total size of 30 segment load commands (at 56
4858 ## each); under Cocoa 31 commands are required.
4859 if test "$HAVE_NS" = "yes"; then
4860 libs_nsgui="-framework AppKit"
4861 if test "$NS_IMPL_COCOA" = "yes"; then
4862 libs_nsgui="$libs_nsgui -framework IOKit"
4869 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4871 ## This is here because src/Makefile.in did some extra fiddling around
4872 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4873 ## LD_SWITCH_SYSTEM_TEMACS instead,
4874 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4875 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4878 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4879 ## find X at run-time.
4880 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4881 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4882 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4883 ## had different values in configure (in ac_link) and src/Makefile.in.
4884 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4885 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4888 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4889 case "$canonical" in
4890 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4891 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4895 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4897 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4900 if test x$ac_enable_profiling != x ; then
4902 *freebsd | gnu-linux) ;;
4903 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4907 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4909 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4911 ## Common for all window systems
4912 if test "$window_system" != "none"; then
4913 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4914 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4915 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4918 AC_SUBST(WINDOW_SYSTEM_OBJ)
4920 AH_TOP([/* GNU Emacs site configuration template file.
4922 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4923 Free Software Foundation, Inc.
4925 This file is part of GNU Emacs.
4927 GNU Emacs is free software: you can redistribute it and/or modify
4928 it under the terms of the GNU General Public License as published by
4929 the Free Software Foundation, either version 3 of the License, or
4930 (at your option) any later version.
4932 GNU Emacs is distributed in the hope that it will be useful,
4933 but WITHOUT ANY WARRANTY; without even the implied warranty of
4934 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4935 GNU General Public License for more details.
4937 You should have received a copy of the GNU General Public License
4938 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
4941 /* No code in Emacs #includes config.h twice, but some bits of code
4942 intended to work with other packages as well (like gmalloc.c)
4943 think they can include it as many times as they like. */
4944 #ifndef EMACS_CONFIG_H
4945 #define EMACS_CONFIG_H
4948 AH_BOTTOM([#include <conf_post.h>
4950 #endif /* EMACS_CONFIG_H */
4959 #### Report on what we decided to do.
4960 #### Report GTK as a toolkit, even if it doesn't use Xt.
4961 #### It makes printing result more understandable as using GTK sets
4962 #### toolkit_scroll_bars to yes by default.
4963 if test "${HAVE_GTK}" = "yes"; then
4964 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
4967 if test $USE_ACL -ne 0; then
4968 ACL_SUMMARY="yes $LIB_ACL"
4974 Configured for \`${canonical}'.
4976 Where should the build process find the source code? ${srcdir}
4977 What compiler should emacs be built with? ${CC} ${CFLAGS}
4978 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
4979 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
4980 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
4981 What window system should Emacs use? ${window_system}
4982 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
4984 if test -n "${x_includes}"; then
4985 echo " Where do we find X Windows header files? ${x_includes}"
4987 echo " Where do we find X Windows header files? Standard dirs"
4989 if test -n "${x_libraries}"; then
4990 echo " Where do we find X Windows libraries? ${x_libraries}"
4992 echo " Where do we find X Windows libraries? Standard dirs"
4996 emacs_config_features=
4997 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
4998 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5002 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5003 *) eval val=\${HAVE_$opt} ;;
5005 test x"$val" = xno && continue
5006 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5009 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5010 [Summary of some of the main features enabled by configure.])
5012 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5013 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5014 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5015 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5016 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5017 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5018 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5019 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5021 echo " Does Emacs support sound? ${HAVE_SOUND}"
5023 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5024 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5025 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5026 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5027 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5028 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5029 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5030 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5031 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5033 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5034 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5035 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5036 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5037 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5039 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5042 if test -n "${EMACSDATA}"; then
5043 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5045 if test -n "${EMACSDOC}"; then
5046 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5051 if test "$HAVE_NS" = "yes"; then
5053 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5054 The installed application will go to nextstep/Emacs.app and can be
5055 run or moved from there."
5056 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5057 echo "The application will be fully self-contained."
5059 echo "The lisp resources for the application will be installed under ${prefix}.
5060 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5061 to run if these resources are not installed."
5066 if test "${opsys}" = "cygwin"; then
5068 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5074 # Remove any trailing slashes in these variables.
5075 [test "${prefix}" != NONE &&
5076 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5077 test "${exec_prefix}" != NONE &&
5078 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5080 if test "$HAVE_NS" = "yes"; then
5081 if test "$NS_IMPL_GNUSTEP" = yes; then
5082 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5083 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5084 ns_check_file=Resources/Info-gnustep.plist
5086 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5087 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5088 ns_check_file=Contents/Info.plist
5090 AC_SUBST(ns_check_file)
5093 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5094 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5095 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5096 dnl (else you get "no `Makefile.am' found for any configure output").
5097 dnl This will work, but you get a config.status that is not quite right
5098 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5099 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5100 dnl it seems better to just live with the duplication.
5101 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5103 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5104 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5105 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5106 leim/Makefile nextstep/Makefile nt/Makefile])
5108 dnl test/ is not present in release tarfiles.
5109 opt_makefile=test/automated/Makefile
5111 if test -f "$srcdir/$opt_makefile.in"; then
5112 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5113 dnl Again, it's best not to use a variable. Though you can add
5114 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5115 AC_CONFIG_FILES([test/automated/Makefile])
5119 dnl The admin/ directory used to be excluded from tarfiles.
5120 if test -d $srcdir/admin; then
5121 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5122 AC_CONFIG_FILES([admin/unidata/Makefile])
5123 AC_CONFIG_FILES([admin/grammars/Makefile])
5127 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5129 AC_SUBST(SUBDIR_MAKEFILES_IN)
5131 dnl You might wonder (I did) why epaths.h is generated by running make,
5132 dnl rather than just letting configure generate it from epaths.in.
5133 dnl One reason is that the various paths are not fully expanded (see above);
5134 dnl eg gamedir=${prefix}/var/games/emacs.
5135 dnl Secondly, the GNU Coding standards require that one should be able
5136 dnl to run `make prefix=/some/where/else' and override the values set
5137 dnl by configure. This also explains the `move-if-change' test and
5138 dnl the use of force in the `epaths-force' rule in Makefile.in.
5139 AC_CONFIG_COMMANDS([src/epaths.h], [
5140 if test "${opsys}" = "mingw32"; then
5141 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5143 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5144 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5145 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5147 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5148 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5150 AC_CONFIG_COMMANDS([src/.gdbinit], [
5151 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5152 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5158 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])