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, 25.0.50, 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
135 dnl Fairly arbitrary, older versions might work too.
136 AM_INIT_AUTOMAKE(1.11)
138 dnl Canonicalize the configuration name.
144 if test -z "$host_alias"; then
146 # No --host argument was given to 'configure'; therefore $host
147 # was set to a default value based on the build platform. But
148 # this default value may be wrong if we are building from a
149 # 64-bit MSYS[2] pre-configured to build 32-bit MinGW programs.
150 # Therefore, we'll try to get the right host platform from the
153 AC_MSG_CHECKING([the compiler's target])
154 if test -z "$CC"; then
159 cc_target=`$cc -v 2>&1 | sed -n 's/Target: //p'`
163 "") AC_MSG_ERROR([Impossible to obtain $cc compiler target.
164 Please explicitly provide --host.])
166 *) AC_MSG_WARN([Compiler reported non-standard target.
167 Defaulting to $host.])
170 AC_MSG_RESULT([$host])
173 . $srcdir/nt/mingw-cfg.site
177 # srcdir is an absolute path. In this case, force the format
178 # "/c/foo/bar", to simplify later conversions to native Windows
179 # format ("c:/foo/bar").
180 srcdir=`cd "${srcdir}" && pwd -W`
181 # 'eval' pacifies strict POSIX non-MinGW shells (Bug#18612).
182 eval 'srcdir="/${srcdir:0:1}${srcdir:2}"'
188 configuration=${host_alias-${build_alias-$host}}
190 dnl Support for --program-prefix, --program-suffix and
191 dnl --program-transform-name options
194 dnl It is important that variables on the RHS not be expanded here,
195 dnl hence the single quotes. This is per the GNU coding standards, see
196 dnl (autoconf) Installation Directory Variables
197 dnl See also epaths.h below.
198 lispdir='${datadir}/emacs/${version}/lisp'
199 standardlisppath='${lispdir}'
200 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
201 '${datadir}/emacs/site-lisp'
202 lisppath='${locallisppath}:${standardlisppath}'
203 etcdir='${datadir}/emacs/${version}/etc'
204 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
205 etcdocdir='${datadir}/emacs/${version}/etc'
206 gamedir='${localstatedir}/games/emacs'
208 dnl Special option to disable the most of other options.
210 [AS_HELP_STRING([--without-all],
211 [omit almost all features and build
212 small executable with minimal dependencies])],
213 [with_features=$withval],
216 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
217 dnl Create a new --with option that defaults to being disabled.
218 dnl NAME is the base name of the option. The shell variable with_NAME
219 dnl will be set to either the user's value (if the option is
220 dnl specified; 'yes' for a plain --with-NAME) or to 'no' (if the
221 dnl option is not specified). Note that the shell variable name is
222 dnl constructed as autoconf does, by replacing non-alphanumeric
223 dnl characters with "_".
224 dnl HELP-STRING is the help text for the option.
225 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
226 AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
227 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
230 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
231 dnl Create a new --with option that defaults to $with_features.
232 dnl NAME is the base name of the option. The shell variable with_NAME
233 dnl will be set either to 'no' (for a plain --without-NAME) or to
234 dnl 'yes' (if the option is not specified). Note that the shell
235 dnl variable name is constructed as autoconf does, by replacing
236 dnl non-alphanumeric characters with "_".
237 dnl HELP-STRING is the help text for the option.
238 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
239 AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
240 m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=$with_features])dnl
243 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
244 if test "$with_pop" = yes; then
245 AC_DEFINE(MAIL_USE_POP)
247 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
249 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
250 if test "$with_kerberos" != no; then
253 AH_TEMPLATE(KERBEROS,
254 [Define to support Kerberos-authenticated POP mail retrieval.])dnl
256 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
257 if test "${with_kerberos5}" != no; then
258 if test "${with_kerberos}" = no; then
262 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
265 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
266 dnl FIXME hesiod support may not be present, so it seems like an error
267 dnl to define, or at least use, this unconditionally.
268 if test "$with_hesiod" != no; then
269 AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
272 OPTION_DEFAULT_OFF([mmdf],[support MMDF mailboxes])
273 if test "$with_mmdf" != no; then
274 AC_DEFINE(MAIL_USE_MMDF, 1, [Define to support MMDF mailboxes in movemail.])
277 OPTION_DEFAULT_OFF([mail-unlink],[unlink, rather than empty, mail spool after reading])
278 if test "$with_mail_unlink" != no; then
279 AC_DEFINE(MAIL_UNLINK_SPOOL, 1, [Define to unlink, rather than empty, mail spool after reading.])
282 AC_ARG_WITH([mailhost],[AS_HELP_STRING([--with-mailhost=HOSTNAME],
283 [string giving default POP mail host])],
284 AC_DEFINE_UNQUOTED(MAILHOST, ["$withval"], [String giving fallback POP mail host.]))
286 AC_ARG_WITH([sound],[AS_HELP_STRING([--with-sound=VALUE],
287 [compile with sound support (VALUE one of: yes, alsa, oss, bsd-ossaudio, no;
288 default yes). Only for GNU/Linux, FreeBSD, NetBSD, MinGW, Cygwin.])],
289 [ case "${withval}" in
290 yes|no|alsa|oss|bsd-ossaudio) val=$withval ;;
291 *) AC_MSG_ERROR([`--with-sound=$withval' is invalid;
292 this option's value should be `yes', `no', `alsa', `oss', or `bsd-ossaudio'.])
297 [with_sound=$with_features])
299 dnl FIXME currently it is not the last.
300 dnl This should be the last --with option, because --with-x is
301 dnl added later on when we find the file name of X, and it's best to
302 dnl keep them together visually.
303 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
304 [use an X toolkit (KIT one of: yes or gtk, gtk2, gtk3, lucid or athena, motif, no)])],
305 [ case "${withval}" in
306 y | ye | yes ) val=gtk ;;
308 l | lu | luc | luci | lucid ) val=lucid ;;
309 a | at | ath | athe | athen | athena ) val=athena ;;
310 m | mo | mot | moti | motif ) val=motif ;;
311 g | gt | gtk ) val=gtk ;;
315 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
316 this option's value should be `yes', `no', `lucid', `athena', `motif', `gtk',
317 `gtk2' or `gtk3'. `yes' and `gtk' are synonyms.
318 `athena' and `lucid' are synonyms.])
324 OPTION_DEFAULT_OFF([wide-int], [prefer wide Emacs integers (typically 62-bit)])
325 if test "$with_wide_int" = yes; then
326 AC_DEFINE([WIDE_EMACS_INT], 1, [Use long long for EMACS_INT if available.])
329 dnl _ON results in a '--without' option in the --help output, so
330 dnl the help text should refer to "don't compile", etc.
331 with_xpm_set=${with_xpm+set}
332 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
333 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
334 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
335 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
336 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
337 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
338 OPTION_DEFAULT_ON([xml2],[don't compile with XML parsing support])
339 OPTION_DEFAULT_ON([imagemagick],[don't compile with ImageMagick image support])
341 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
342 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
343 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
345 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
346 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
347 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
348 OPTION_DEFAULT_OFF([ns],[use NeXTstep (Cocoa or GNUstep) windowing system])
349 OPTION_DEFAULT_OFF([w32], [use native MS Windows GUI in a Cygwin build])
351 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
352 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
353 OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
354 OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
355 OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
356 OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
357 OPTION_DEFAULT_ON([zlib],[don't compile with zlib decompression support])
359 AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
360 [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
361 [ case "${withval}" in
362 y | ye | yes ) val=yes ;;
364 g | gf | gfi | gfil | gfile ) val=gfile ;;
365 i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
366 w | w3 | w32 ) val=w32 ;;
367 * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
368 this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
369 `yes' is a synonym for `w32' on MS-Windows, for `no' on Nextstep,
370 otherwise for the first of `gfile' or `inotify' that is usable.])
373 with_file_notification=$val
375 [with_file_notification=$with_features])
377 ## For the times when you want to build Emacs but don't have
378 ## a suitable makeinfo, and can live without the manuals.
379 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
380 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
382 ## This might be a 'configure' arg.
383 AC_SUBST([ACLOCAL_PATH])
385 ## Makefile.in needs the cache file name.
388 ## This is an option because I do not know if all info/man support
389 ## compressed files, nor how to test if they do so.
390 OPTION_DEFAULT_ON([compress-install],
391 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
392 make GZIP_PROG= install])
394 AC_ARG_WITH(gameuser,dnl
395 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
396 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
397 && gameuser="${with_gameuser}"
398 test "X$gameuser" = X && gameuser=games
400 AC_ARG_WITH([gnustep-conf],dnl
401 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
402 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
403 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
404 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
405 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
406 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
408 AC_ARG_ENABLE(ns-self-contained,
409 [AS_HELP_STRING([--disable-ns-self-contained],
410 [disable self contained build under NeXTstep])],
411 EN_NS_SELF_CONTAINED=$enableval,
412 EN_NS_SELF_CONTAINED=yes)
414 AC_ARG_ENABLE(locallisppath,
415 [AS_HELP_STRING([--enable-locallisppath=PATH],
416 [directories Emacs should search for lisp files specific
418 if test "${enableval}" = "no"; then
420 elif test "${enableval}" != "yes"; then
421 locallisppath=${enableval}
424 AC_ARG_ENABLE(checking,
425 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
426 [enable expensive run-time checks. With LIST,
427 enable only specific categories of checks.
428 Categories are: all,yes,no.
429 Flags are: stringbytes, stringoverrun, stringfreelist,
430 xmallocoverrun, conslist, glyphs])],
431 [ac_checking_flags="${enableval}"],[])
432 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
433 for check in $ac_checking_flags
436 # these set all the flags to specific states
437 yes) ac_enable_checking=1 ;;
438 no) ac_enable_checking= ;
439 ac_gc_check_stringbytes= ;
440 ac_gc_check_string_overrun= ;
441 ac_gc_check_string_free_list= ;
442 ac_xmalloc_overrun= ;
443 ac_gc_check_cons_list= ;
445 all) ac_enable_checking=1 ;
446 ac_gc_check_stringbytes=1 ;
447 ac_gc_check_string_overrun=1 ;
448 ac_gc_check_string_free_list=1 ;
449 ac_xmalloc_overrun=1 ;
450 ac_gc_check_cons_list=1 ;
452 # these enable particular checks
453 stringbytes) ac_gc_check_stringbytes=1 ;;
454 stringoverrun) ac_gc_check_string_overrun=1 ;;
455 stringfreelist) ac_gc_check_string_free_list=1 ;;
456 xmallocoverrun) ac_xmalloc_overrun=1 ;;
457 conslist) ac_gc_check_cons_list=1 ;;
458 glyphs) ac_glyphs_debug=1 ;;
459 *) AC_MSG_ERROR(unknown check category $check) ;;
464 if test x$ac_enable_checking != x ; then
465 AC_DEFINE(ENABLE_CHECKING, 1,
466 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
468 if test x$ac_gc_check_stringbytes != x ; then
469 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
470 [Define this temporarily to hunt a bug. If defined, the size of
471 strings is redundantly recorded in sdata structures so that it can
472 be compared to the sizes recorded in Lisp strings.])
474 if test x$ac_gc_check_string_overrun != x ; then
475 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
476 [Define this to check for short string overrun.])
478 if test x$ac_gc_check_string_free_list != x ; then
479 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
480 [Define this to check the string free list.])
482 if test x$ac_xmalloc_overrun != x ; then
483 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
484 [Define this to check for malloc buffer overrun.])
486 if test x$ac_gc_check_cons_list != x ; then
487 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
488 [Define this to check for errors in cons list.])
490 if test x$ac_glyphs_debug != x ; then
491 AC_DEFINE(GLYPH_DEBUG, 1,
492 [Define this to enable glyphs debugging code.])
495 AC_ARG_ENABLE(check-lisp-object-type,
496 [AS_HELP_STRING([--enable-check-lisp-object-type],
497 [enable compile time checks for the Lisp_Object data type.
498 This is useful for development for catching certain types of bugs.])],
499 if test "${enableval}" != "no"; then
500 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
501 [Define this to enable compile time checks for the Lisp_Object data type.])
505 dnl The name of this option is unfortunate. It predates, and has no
506 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
507 dnl Actually, it stops it working.
508 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
509 AC_ARG_ENABLE(profiling,
510 [AS_HELP_STRING([--enable-profiling],
511 [build emacs with low-level, gprof profiling support.
512 Mainly useful for debugging Emacs itself. May not work on
513 all platforms. Stops profiler.el working.])],
514 [ac_enable_profiling="${enableval}"],[])
515 if test x$ac_enable_profiling != x ; then
516 PROFILING_CFLAGS="-DPROFILING=1 -pg"
520 AC_SUBST(PROFILING_CFLAGS)
522 AC_ARG_ENABLE(autodepend,
523 [AS_HELP_STRING([--enable-autodepend],
524 [automatically generate dependencies to .h-files.
525 Requires gcc, enabled if found.])],
526 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
528 AC_ARG_ENABLE(gtk-deprecation-warnings,
529 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
530 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
531 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
533 dnl This used to use changequote, but, apart from `changequote is evil'
534 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
535 dnl the great gob of text. Thus it's not processed for possible expansion.
536 dnl Just make sure the brackets remain balanced.
538 dnl Since Emacs can't find matching pairs of quotes, boundaries are
539 dnl indicated by comments.
543 ### If you add support for a new configuration, add code to this
544 ### switch statement to recognize your configuration name and select
545 ### the appropriate opsys.
547 ### As far as handling version numbers on operating systems is
548 ### concerned, make sure things will fail in a fixable way. If
549 ### /etc/MACHINES doesn't say anything about version numbers, be
550 ### prepared to handle anything reasonably. If version numbers
551 ### matter, be sure /etc/MACHINES says something about it.
554 case "${canonical}" in
556 ## GNU/Linux and similar ports
571 ## FreeBSD kernel + glibc based userland
582 *-*-openbsd* | *-*-mirbsd* )
586 ## Apple Darwin / Mac OS X
588 case "${canonical}" in
589 *-apple-darwin[0-9].*) unported=yes ;;
590 i[3456]86-* | x86_64-* ) ;;
594 ## Use fink packages if available.
595 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
596 ## if test -d /sw/include && test -d /sw/lib; then
597 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
598 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
607 ## HP 9000 series 700 and 800, running HP/UX
611 hppa*-hp-hpux1[1-9]* )
613 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
617 rs6000-ibm-aix4.[23]* )
620 powerpc-ibm-aix4.[23]* )
623 rs6000-ibm-aix[56]* )
626 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
630 ## Silicon Graphics machines
634 # Without defining _LANGUAGE_C, things get masked out in the headers
635 # so that, for instance, grepping for `free' in stdlib.h fails and
636 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
637 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
642 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
643 | x86_64-*-solaris2* | x86_64-*-sunos5*)
644 case "${canonical}" in
646 amd64-*-*|x86_64-*-*) ;;
650 case "${canonical}" in
651 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
653 emacs_check_sunpro_c=yes
655 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
656 ## Note that Emacs 23.1's NEWS said the following would be dropped.
657 *-sunos5.6* | *-solaris2.6* )
661 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
662 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
664 emacs_check_sunpro_c=yes
667 ## Watch out for a compiler that we know will not work.
668 case "${canonical}" in
669 *-solaris* | *-sunos5* )
670 if [ "x$CC" = x/usr/ucb/cc ]; then
671 ## /usr/ucb/cc doesn't work;
672 ## we should find some other compiler that does work.
680 ## Intel 386 machines where we don't care about the manufacturer.
682 case "${canonical}" in
683 *-darwin* ) opsys=darwin ;;
686 # MinGW overrides and adds some system headers in nt/inc.
687 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
689 *-sysv4.2uw* ) opsys=unixware ;;
690 *-sysv5uw* ) opsys=unixware ;;
691 *-sysv5OpenUNIX* ) opsys=unixware ;;
692 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
698 case "${canonical}" in
701 # MinGW overrides and adds some system headers in nt/inc.
702 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
704 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
713 ### If the code above didn't choose an operating system, just choose
714 ### an operating system based on the configuration name. You really
715 ### only want to use this when you have no idea what the right
716 ### operating system is; if you know what operating systems a machine
717 ### runs, it's cleaner to make it explicit in the case statement
719 if test x"${opsys}" = x; then
720 case "${canonical}" in
721 *-gnu* ) opsys=gnu ;;
731 if test $unported = yes; then
732 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
733 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
734 Check `etc/MACHINES' for recognized configuration names.])
737 #### Choose a compiler.
739 dnl Don't bother to test for C89.
740 AC_DEFUN([_AC_PROG_CC_C89], [$2])
742 dnl Sets GCC=yes if using gcc.
743 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
744 if test -n "$XCRUN"; then
745 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
746 test -n "$AR" && export AR
749 dnl Emacs needs C99 or later.
754 if test x$GCC = xyes; then
755 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
757 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
760 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
761 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
762 dnl that clash with MinGW.
763 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
765 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
766 AC_DEFUN([gl_CRYPTO_CHECK])
767 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
768 # as we don't use them.
769 AC_DEFUN([gl_FCNTL_O_FLAGS])
771 # Initialize gnulib right after choosing the compiler.
772 dnl Amongst other things, this sets AR and ARFLAGS.
775 if test "$ac_test_CFLAGS" != set; then
776 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
777 # if -g3 works and the user does not specify CFLAGS.
778 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
781 emacs_g3_CFLAGS='-g3';;
783 emacs_g3_CFLAGS='-g3 -O2';;
787 if test -n "$emacs_g3_CFLAGS"; then
788 emacs_save_CFLAGS=$CFLAGS
789 CFLAGS=$emacs_g3_CFLAGS
790 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
791 [emacs_cv_prog_cc_g3],
792 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
793 [emacs_cv_prog_cc_g3=yes],
794 [emacs_cv_prog_cc_g3=no])])
795 if test $emacs_cv_prog_cc_g3 != yes; then
796 CFLAGS=$emacs_save_CFLAGS
798 if test $opsys = mingw32; then
799 CFLAGS="$CFLAGS -gdwarf-2"
806 # No optimization flag was inferred for this non-GCC compiler.
807 # Try -O. This is needed for xlc on AIX; see Bug#14258.
808 emacs_save_CFLAGS=$CFLAGS
809 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
811 AC_CACHE_CHECK([whether $CC accepts -O],
812 [emacs_cv_prog_cc_o],
813 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
814 [emacs_cv_prog_cc_o=yes],
815 [emacs_cv_prog_cc_o=no])])
816 if test $emacs_cv_prog_cc_o != yes; then
817 CFLAGS=$emacs_save_CFLAGS
822 AC_ARG_ENABLE([gcc-warnings],
823 [AS_HELP_STRING([--enable-gcc-warnings],
824 [turn on lots of GCC warnings/errors. This is intended for
825 developers, and may generate false alarms when used
826 with older or non-GNU development tools.])],
829 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
831 gl_gcc_warnings=$enableval],
835 # clang is unduly picky about some things.
836 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
843 [emacs_cv_clang=yes],
844 [emacs_cv_clang=no])])
846 # When compiling with GCC, prefer -isystem to -I when including system
847 # include files, to avoid generating useless diagnostics for the files.
848 if test "$gl_gcc_warnings" != yes; then
850 if test "$emacs_cv_clang" = yes
852 # Turn off some warnings if supported.
853 gl_WARN_ADD([-Wno-switch])
854 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
855 gl_WARN_ADD([-Wno-pointer-sign])
856 gl_WARN_ADD([-Wno-string-plus-int])
861 # This, $nw, is the list of warnings we disable.
864 case $with_x_toolkit in
865 lucid | athena | motif)
866 # Old toolkits mishandle 'const'.
867 nw="$nw -Wwrite-strings"
870 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
873 AC_SUBST([WERROR_CFLAGS])
875 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
876 nw="$nw -Woverlength-strings" # Not a problem these days
877 nw="$nw -Wformat-nonliteral" # we do this a lot
878 nw="$nw -Wvla" # Emacs uses <vla.h>.
879 nw="$nw -Wswitch-default" # Too many warnings for now
880 nw="$nw -Winline" # OK to ignore 'inline'
881 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
882 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
883 # signed overflow has undefined behavior
884 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
885 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
886 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
888 # Emacs doesn't care about shadowing; see
889 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
892 # Emacs's use of alloca inhibits protecting the stack.
893 nw="$nw -Wstack-protector"
895 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
896 # option problematic.
897 nw="$nw -Wsuggest-attribute=pure"
899 # This part is merely for shortening the command line,
900 # since -Wno-FOO needs to be added below regardless.
901 nw="$nw -Wmissing-field-initializers"
903 nw="$nw -Wtype-limits"
904 nw="$nw -Wunused-parameter"
906 if test $emacs_cv_clang = yes; then
907 nw="$nw -Wcast-align"
910 gl_MANYWARN_ALL_GCC([ws])
911 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
915 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
916 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
917 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
918 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
919 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
920 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
921 gl_WARN_ADD([-Wno-format-nonliteral])
923 # More things that clang is unduly picky about.
924 if test $emacs_cv_clang = yes; then
925 gl_WARN_ADD([-Wno-format-extra-args])
926 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
927 gl_WARN_ADD([-Wno-unused-command-line-argument])
928 gl_WARN_ADD([-Wno-unused-value])
931 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
932 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
933 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
934 [/* Enable compile-time and run-time bounds-checking, and some warnings,
935 without upsetting glibc 2.15+. */
936 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
937 && defined __OPTIMIZE__ && __OPTIMIZE__)
938 # define _FORTIFY_SOURCE 2
942 # We use a slightly smaller set of warning options for lib/.
943 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
945 nw="$nw -Wunused-macros"
947 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
948 AC_SUBST([GNULIB_WARN_CFLAGS])
958 AC_ARG_ENABLE(link-time-optimization,
959 [AS_HELP_STRING([--enable-link-time-optimization],
960 [build emacs with link-time optimization.
961 This requires GCC 4.5.0 or later, or clang.
962 (Note that clang support is experimental - see INSTALL.)
963 It also makes Emacs harder to debug, and when we tried it
964 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
965 recommended for typical use.])],
966 if test "${enableval}" != "no"; then
968 if test $emacs_cv_clang = yes; then
969 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
970 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
971 if test -x "$GOLD_PLUGIN"; then
974 elif test x$GCC = xyes; then
975 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
976 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
977 if test x$CPUS != x; then
983 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
985 if test -z "$LTO"; then
989 CFLAGS="$CFLAGS $LTO"
990 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
991 [ac_lto_supported=yes], [ac_lto_supported=no])
994 AC_MSG_RESULT([$ac_lto_supported])
995 if test "$ac_lto_supported" = "yes"; then
996 CFLAGS="$CFLAGS $LTO"
997 if test x$emacs_cv_clang = xyes; then
998 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
999 # WARNING: 'ar --plugin ...' doesn't work without
1000 # command, so plugin name is appended to ARFLAGS.
1001 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1002 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1004 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1005 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1006 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1007 dnl dump core on Fedora 20, so play it safe for now.
1008 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1009 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1014 dnl Port to Automake 1.11.
1015 dnl This section can be removed once we assume Automake 1.14 or later.
1016 : ${AM_DEFAULT_VERBOSITY=1}
1017 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1018 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1020 AM_SUBST_NOTMAKE([AM_V])
1021 AC_SUBST([AM_DEFAULT_V])
1022 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1023 AC_SUBST([AM_DEFAULT_VERBOSITY])
1025 dnl Some other nice autoconf tests.
1026 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1029 dnl if test "x$RANLIB" = x; then
1034 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1035 dnl can be made to directories. This is not relevant for our usage, and
1036 dnl excludes some cases that work fine for us. Eg MS Windows or files
1037 dnl hosted on AFS, both examples where simple links work, but links to
1038 dnl directories fail. We use a cut-down version instead.
1041 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1042 rm -f conf$$ conf$$.file
1044 LN_S_FILEONLY='cp -p'
1046 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1047 dnl random program in the current directory.
1048 if (echo >conf$$.file) 2>/dev/null; then
1049 if ln -s conf$$.file conf$$ 2>/dev/null; then
1050 if test "$opsys" = "mingw32"; then
1051 LN_S_FILEONLY='/bin/ln -s'
1053 LN_S_FILEONLY='ln -s'
1055 elif ln conf$$.file conf$$ 2>/dev/null; then
1056 if test "$opsys" = "mingw32"; then
1057 LN_S_FILEONLY=/bin/ln
1064 rm -f conf$$ conf$$.file
1066 if test "$LN_S_FILEONLY" = "ln -s"; then
1067 AC_MSG_RESULT([yes])
1069 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1072 AC_SUBST(LN_S_FILEONLY)
1075 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1076 dnl doesn't support links to directories, as in "ln file dir". But that
1077 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1078 dnl executables at "make install" time.
1079 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1080 dnl for more details.
1081 if test "$opsys" = "mingw32"; then
1085 dnl On some Debian versions, "install-info" prints irritating messages
1086 dnl "This is not dpkg install-info anymore, but GNU install-info"
1087 dnl if called via an absolute file name.
1088 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1089 dnl Sadly some people may have an old ginstall-info installed on
1090 dnl non-Debian systems, so we can't use this.
1091 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1092 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1094 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1095 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1096 dnl Don't use GZIP, which is used by gzip for additional parameters.
1097 AC_PATH_PROG(GZIP_PROG, gzip)
1099 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1100 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1102 if test $opsys = gnu-linux; then
1103 AC_PATH_PROG(PAXCTL, paxctl,,
1104 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1105 if test "X$PAXCTL" != X; then
1106 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1107 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1108 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1109 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1112 if test "${SETFATTR+set}" != set; then
1113 AC_CACHE_CHECK([for setfattr],
1114 [emacs_cv_prog_setfattr],
1116 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1117 emacs_cv_prog_setfattr=yes
1119 emacs_cv_prog_setfattr=no
1121 if test "$emacs_cv_prog_setfattr" = yes; then
1127 AC_SUBST([SETFATTR])
1131 ## Need makeinfo >= 4.7 (?) to build the manuals.
1132 if test "$MAKEINFO" != "no"; then
1133 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1136 case `($MAKEINFO --version) 2>/dev/null` in
1137 *' (GNU texinfo) '4.[[7-9]]* | \
1138 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1139 *' (GNU texinfo) '[[5-9]]* | \
1140 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1145 ## Makeinfo is unusual. For a released Emacs, the manuals are
1146 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1147 ## therefore in the category of "special tools" not normally required, which
1148 ## configure does not have to check for (eg autoconf itself).
1149 ## In a repository checkout on the other hand, the manuals are not included.
1150 ## So makeinfo is a requirement to build from the repository, and configure
1151 ## should test for it as it does for any other build requirement.
1152 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1153 ## with pre-built manuals, from a repository checkout.
1156 if test "$MAKEINFO" = "no"; then
1158 if test "x${with_makeinfo}" = "xno"; then
1160 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1161 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1162 source tree does not seem to have pre-built manuals in the `info' directory.
1163 Either install a suitable version of makeinfo, or re-run configure
1164 with the `--without-makeinfo' option to build without the manuals.] )
1167 AC_SUBST(HAVE_MAKEINFO)
1169 if test $opsys = mingw32; then
1170 DOCMISC_W32=efaq-w32
1174 AC_SUBST(DOCMISC_W32)
1176 dnl Add our options to ac_link now, after it is set up.
1178 if test x$GCC = xyes; then
1179 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1180 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1182 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1183 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1186 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1187 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1188 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1189 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1190 dnl if not built to support GNU ld.
1192 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1193 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1194 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1195 dnl Eg "make LDFLAGS=... all" could run into problems,
1196 dnl http://bugs.debian.org/684788
1197 dnl * unnecessary, since temacs is the only thing that actually needs it.
1198 dnl Indeed this is where it was originally, prior to:
1199 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1200 late_LDFLAGS="$LDFLAGS"
1201 if test x$GCC = xyes; then
1202 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1204 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1207 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1209 AC_MSG_CHECKING([for -znocombreloc])
1210 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1211 [AC_MSG_RESULT(yes)],
1212 LDFLAGS_NOCOMBRELOC=
1213 [AC_MSG_RESULT(no)])
1215 LDFLAGS="$late_LDFLAGS"
1217 AC_CACHE_CHECK([whether addresses are sanitized],
1218 [emacs_cv_sanitize_address],
1221 [[#ifndef __has_feature
1222 #define __has_feature(f) 0
1224 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1226 error "Addresses are not sanitized.";
1229 [emacs_cv_sanitize_address=yes],
1230 [emacs_cv_sanitize_address=no])])
1232 dnl The function dump-emacs will not be defined and temacs will do
1233 dnl (load "loadup") automatically unless told otherwise.
1234 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1236 your-opsys-here) CANNOT_DUMP=yes ;;
1239 if test "$CANNOT_DUMP" = "yes"; then
1240 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1241 elif test "$emacs_cv_sanitize_address" = yes; then
1242 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1245 AC_SUBST(CANNOT_DUMP)
1248 UNEXEC_OBJ=unexelf.o
1250 # MSDOS uses unexcoff.o
1252 UNEXEC_OBJ=unexaix.o
1258 UNEXEC_OBJ=unexmacosx.o
1261 UNEXEC_OBJ=unexhp9k800.o
1264 UNEXEC_OBJ=unexw32.o
1267 # Use the Solaris dldump() function, called from unexsol.c, to dump
1268 # emacs, instead of the generic ELF dump code found in unexelf.c.
1269 # The resulting binary has a complete symbol table, and is better
1270 # for debugging and other observability tools (debuggers, pstack, etc).
1272 # If you encounter a problem using dldump(), please consider sending
1273 # a message to the OpenSolaris tools-linking mailing list:
1274 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1276 # It is likely that dldump() works with older Solaris too, but this has
1277 # not been tested, so for now this change is for Solaris 10 or newer.
1278 UNEXEC_OBJ=unexsol.o
1285 ## Let `ld' find image libs and similar things in /usr/local/lib.
1286 ## The system compiler, GCC, has apparently been modified to not
1287 ## look there, contrary to what a stock GCC would do.
1288 ### It's not our place to do this. See bug#10313#17.
1289 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1294 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1295 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1299 ### It's not our place to do this. See bug#10313#17.
1300 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1305 ## Han Boetes <han@boetes.org> says this is necessary,
1306 ## otherwise Emacs dumps core on elf systems.
1307 LD_SWITCH_SYSTEM="-Z"
1310 AC_SUBST(LD_SWITCH_SYSTEM)
1312 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1314 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1315 ## which has not been defined yet. When this was handled with cpp,
1316 ## it was expanded to null when configure sourced the s/*.h file.
1317 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1318 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1319 ## (or somesuch), but because it is supposed to go at the _front_
1320 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1321 ## Compare with the gnu-linux case below, which added to the end
1322 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1323 ## LD_SWITCH_SYSTEM_TEMACS.
1326 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1333 AC_CHECK_DECL([__ELF__])
1334 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1335 ## With ELF, make sure that all common symbols get allocated to in the
1336 ## data section. Otherwise, the dump of temacs may miss variables in
1337 ## the shared library that have been initialized. For example, with
1338 ## GNU libc, __malloc_initialized would normally be resolved to the
1339 ## shared library's .bss section, which is fatal.
1340 if test "x$GCC" = "xyes"; then
1341 C_SWITCH_MACHINE="-fno-common"
1343 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1346 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1347 dnl albeit under the mistaken assumption that said file
1348 dnl was no longer used.
1349 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1353 AC_SUBST(C_SWITCH_MACHINE)
1355 AC_SUBST(UNEXEC_OBJ)
1358 ## Some programs in src produce warnings saying certain subprograms
1359 ## are too complex and need a MAXMEM value greater than 2000 for
1360 ## additional optimization. --nils@exp-math.uni-essen.de
1361 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1362 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1363 if test "$opsys" = "mingw32"; then
1364 case "$canonical" in
1365 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1366 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1369 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1370 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1371 AC_SUBST(C_SWITCH_SYSTEM)
1376 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1377 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1379 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1381 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1383 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1385 ## Motif needs -lgen.
1386 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1389 AC_SUBST(LIBS_SYSTEM)
1391 ### Make sure subsequent tests use flags consistent with the build flags.
1393 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1394 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1396 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1399 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1400 AC_DEFUN([AC_TYPE_SIZE_T])
1401 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1402 AC_DEFUN([AC_TYPE_UID_T])
1404 # sqrt and other floating-point functions such as fmod and frexp
1405 # are found in -lm on many systems.
1407 AC_SEARCH_LIBS([sqrt], [m])
1408 if test "X$LIBS" = "X$OLD_LIBS"; then
1411 LIB_MATH=$ac_cv_search_sqrt
1415 dnl Current possibilities handled by sed (aix4-2 -> aix,
1416 dnl gnu-linux -> gnu/linux, etc.):
1417 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1418 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1419 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1426 ## Adding -lm confuses the dynamic linker, so omit it.
1429 freebsd | dragonfly )
1430 SYSTEM_TYPE=berkeley-unix
1432 gnu-linux | gnu-kfreebsd )
1434 hpux10-20 | hpux11 )
1438 SYSTEM_TYPE=windows-nt
1440 dnl NB this may be adjusted below.
1442 SYSTEM_TYPE=berkeley-unix
1446 SYSTEM_TYPE=usg-unix-v
1452 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1453 [The type of system you are compiling for; sets `system-type'.])
1456 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1457 pre_PKG_CONFIG_LIBS=$LIBS
1459 PKG_PROG_PKG_CONFIG(0.9.0)
1461 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1462 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1463 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1464 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1465 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1466 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1468 AC_DEFUN([EMACS_CHECK_MODULES],
1469 [PKG_CHECK_MODULES([$1], [$2],
1470 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1471 m4_default([$3], [HAVE_$1=yes])],
1472 [m4_default([$4], [HAVE_$1=no])])])
1475 if test "${with_sound}" != "no"; then
1476 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1477 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1478 have_sound_header=yes, [], [
1480 #define WIN32_LEAN_AND_MEAN
1481 #include <windows.h>
1484 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1485 AC_MSG_ERROR([OSS sound support requested but not found.])
1487 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1488 # Emulation library used on NetBSD.
1489 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1490 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1491 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1492 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1493 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1497 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1499 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1500 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1501 if test $HAVE_ALSA = yes; then
1502 SAVE_CFLAGS="$CFLAGS"
1504 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1505 LIBS="$ALSA_LIBS $LIBS"
1506 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1507 emacs_alsa_normal=yes,
1508 emacs_alsa_normal=no)
1509 if test "$emacs_alsa_normal" != yes; then
1510 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1511 [[snd_lib_error_set_handler (0);]])],
1512 emacs_alsa_subdir=yes,
1513 emacs_alsa_subdir=no)
1514 if test "$emacs_alsa_subdir" != yes; then
1515 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1517 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1520 CFLAGS="$SAVE_CFLAGS"
1522 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1523 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1524 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1525 elif test "${with_sound}" = "alsa"; then
1526 AC_MSG_ERROR([ALSA sound support requested but not found.])
1528 fi dnl with_sound = alsa|yes
1530 dnl Define HAVE_SOUND if we have sound support. We know it works and
1531 dnl compiles only on the specified platforms. For others, it
1532 dnl probably doesn't make sense to try.
1533 dnl FIXME So surely we should bypass this whole section if not using
1534 dnl one of these platforms?
1535 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1537 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1538 dnl Adjust the --with-sound help text if you change this.
1539 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1540 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1546 AC_SUBST(CFLAGS_SOUND)
1549 dnl checks for header files
1550 AC_CHECK_HEADERS_ONCE(
1555 sys/utsname.h pwd.h utmp.h util.h)
1557 AC_MSG_CHECKING(if personality LINUX32 can be set)
1558 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1559 emacs_cv_personality_linux32=yes,
1560 emacs_cv_personality_linux32=no)
1561 AC_MSG_RESULT($emacs_cv_personality_linux32)
1563 if test $emacs_cv_personality_linux32 = yes; then
1564 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1565 [Define to 1 if personality LINUX32 can be set.])
1568 # Note that Solaris has sys/sysinfo.h which defines struct
1569 # sysinfo as well. To make sure that we're using GNU/Linux
1570 # sysinfo, we explicitly set one of its fields.
1571 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1572 AC_MSG_CHECKING([if Linux sysinfo may be used])
1573 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1574 [[struct sysinfo si;
1577 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1578 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1579 if test $emacs_cv_linux_sysinfo = yes; then
1580 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1581 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1582 [[struct sysinfo si; return si.mem_unit]])],
1583 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1584 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1588 dnl On Solaris 8 there's a compilation warning for term.h because
1589 dnl it doesn't define `bool'.
1590 AC_CHECK_HEADERS(term.h, , , -)
1592 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1594 if test $ac_cv_have_decl_sys_siglist != yes; then
1595 # For Tru64, at least:
1596 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1601 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1602 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1603 #if HAVE_SYS_SOCKET_H
1604 #include <sys/socket.h>
1606 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1607 #if HAVE_SYS_SOCKET_H
1608 #include <sys/socket.h>
1610 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1611 #if HAVE_SYS_SOCKET_H
1612 #include <sys/socket.h>
1615 dnl checks for structure members
1616 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1617 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1618 struct ifreq.ifr_addr,
1619 struct ifreq.ifr_addr.sa_len], , ,
1620 [AC_INCLUDES_DEFAULT
1621 #if HAVE_SYS_SOCKET_H
1622 #include <sys/socket.h>
1628 dnl Check for endianness.
1629 dnl AC_C_BIGENDIAN is done by gnulib.
1631 dnl check for Make feature
1636 dnl check if we have GCC and autodepend is on.
1637 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1638 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1639 SAVE_CFLAGS="$CFLAGS"
1640 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1641 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1642 CFLAGS="$SAVE_CFLAGS"
1643 test -f deps.d || ac_enable_autodepend=no
1645 AC_MSG_RESULT([$ac_enable_autodepend])
1646 if test $ac_enable_autodepend = yes; then
1647 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1648 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1649 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1650 deps_frag=autodeps.mk
1653 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1654 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1655 deps_frag=$srcdir/src/$deps_frag
1658 AC_SUBST_FILE(deps_frag)
1659 AC_SUBST_FILE(lwlib_deps_frag)
1660 AC_SUBST_FILE(oldxmenu_deps_frag)
1662 lisp_frag=$srcdir/src/lisp.mk
1663 AC_SUBST_FILE(lisp_frag)
1666 dnl checks for operating system services
1667 AC_SYS_LONG_FILE_NAMES
1669 #### Choose a window system.
1671 ## We leave window_system equal to none if
1672 ## we end up building without one. Any new window system should
1673 ## set window_system to an appropriate value and add objects to
1674 ## window-system-specific substs.
1678 if test "$no_x" != yes; then
1682 LD_SWITCH_X_SITE_RPATH=
1683 if test "${x_libraries}" != NONE; then
1684 if test -n "${x_libraries}"; then
1685 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1686 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1688 x_default_search_path=""
1689 x_search_path=${x_libraries}
1690 if test -z "${x_search_path}"; then
1691 x_search_path=/usr/lib
1693 for x_library in `echo ${x_search_path}: | \
1694 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1696 ${x_library}/X11/%L/%T/%N%C%S:\
1697 ${x_library}/X11/%l/%T/%N%C%S:\
1698 ${x_library}/X11/%T/%N%C%S:\
1699 ${x_library}/X11/%L/%T/%N%S:\
1700 ${x_library}/X11/%l/%T/%N%S:\
1701 ${x_library}/X11/%T/%N%S"
1702 if test x"${x_default_search_path}" = x; then
1703 x_default_search_path=${x_search_path}
1705 x_default_search_path="${x_search_path}:${x_default_search_path}"
1709 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1711 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1712 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1715 if test x"${x_includes}" = x; then
1716 bitmapdir=/usr/include/X11/bitmaps
1718 # accumulate include directories that have X11 bitmap subdirectories
1720 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1721 if test -d "${bmd}/X11/bitmaps"; then
1722 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1724 if test -d "${bmd}/bitmaps"; then
1725 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1728 if test ${bmd_acc} != "dummyval"; then
1729 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1736 tmp_CPPFLAGS="$CPPFLAGS"
1737 tmp_CFLAGS="$CFLAGS"
1738 CPPFLAGS="$CPPFLAGS -x objective-c"
1739 CFLAGS="$CFLAGS -x objective-c"
1742 if test "${with_ns}" != no; then
1743 if test "${opsys}" = darwin; then
1745 ns_appdir=`pwd`/nextstep/Emacs.app
1746 ns_appbindir=${ns_appdir}/Contents/MacOS
1747 ns_appresdir=${ns_appdir}/Contents/Resources
1748 ns_appsrc=Cocoa/Emacs.base
1749 ns_fontfile=macfont.o
1750 elif test -f $GNUSTEP_CONFIG_FILE; then
1752 ns_appdir=`pwd`/nextstep/Emacs.app
1753 ns_appbindir=${ns_appdir}
1754 ns_appresdir=${ns_appdir}/Resources
1755 ns_appsrc=GNUstep/Emacs.base
1756 ns_fontfile=nsfont.o
1757 dnl FIXME sourcing this several times in subshells seems inefficient.
1758 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1759 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1760 dnl I seemed to need these as well with GNUstep-startup 0.25.
1761 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1762 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1763 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1764 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1765 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1766 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1767 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1768 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1769 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1770 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1771 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1772 dnl If they had chosen to either define it or not, we could have
1773 dnl just used AC_CHECK_DECL here.
1774 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1775 emacs_cv_objc_exceptions,
1776 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1777 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1781 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1782 if test $emacs_cv_objc_exceptions = yes; then
1783 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1784 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1785 [Define if GNUstep uses ObjC exceptions.])
1786 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1790 dnl This is only used while we test the NS headers, it gets reset below.
1791 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1793 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1794 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1795 files are missing or cannot be compiled.])])
1798 if test "${NS_IMPL_COCOA}" = "yes"; then
1799 AC_MSG_CHECKING([for OSX 10.6 or newer])
1800 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1802 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1803 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1806 error "OSX 10.6 or newer required";
1810 ns_osx_have_106=yes,
1812 AC_MSG_RESULT([$ns_osx_have_106])
1814 if test $ns_osx_have_106 = no; then
1815 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1820 AC_SUBST(LIBS_GNUSTEP)
1822 INSTALL_ARCH_INDEP_EXTRA=install-etc
1823 ns_self_contained=no
1826 if test "${HAVE_NS}" = yes; then
1827 if test "$with_toolkit_scroll_bars" = "no"; then
1828 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1831 window_system=nextstep
1832 # set up packaging dirs
1833 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1834 ns_self_contained=yes
1835 prefix=${ns_appresdir}
1836 exec_prefix=${ns_appbindir}
1837 dnl This one isn't really used, only archlibdir is.
1838 libexecdir="\${ns_appbindir}/libexec"
1839 archlibdir="\${ns_appbindir}/libexec"
1840 etcdocdir="\${ns_appresdir}/etc"
1841 etcdir="\${ns_appresdir}/etc"
1842 dnl FIXME maybe set datarootdir instead.
1843 dnl That would also get applications, icons, man.
1844 infodir="\${ns_appresdir}/info"
1845 mandir="\${ns_appresdir}/man"
1846 lispdir="\${ns_appresdir}/lisp"
1847 INSTALL_ARCH_INDEP_EXTRA=
1850 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1852 CFLAGS="$tmp_CFLAGS"
1853 CPPFLAGS="$tmp_CPPFLAGS"
1854 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1855 AC_SUBST(ns_self_contained)
1857 AC_SUBST(NS_OBJC_OBJ)
1868 if test "${with_w32}" != no; then
1871 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1872 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1873 cannot be found.])])
1876 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1879 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1884 if test "${opsys}" = "mingw32"; then
1885 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1886 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1887 #include <windows.h>
1888 #include <usp10.h>]],
1889 [[PIMAGE_NT_HEADERS pHeader;
1890 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1891 [emacs_cv_w32api=yes
1894 AC_MSG_RESULT($emacs_cv_w32api)
1895 if test "${emacs_cv_w32api}" = "no"; then
1896 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1907 if test "${HAVE_W32}" = "yes"; then
1908 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1909 AC_CHECK_TOOL(WINDRES, [windres],
1910 [AC_MSG_ERROR([No resource compiler found.])])
1911 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1912 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1913 EMACSRES="emacs.res"
1914 case "$canonical" in
1915 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1916 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1918 dnl Construct something of the form "24,4,0,0" with 4 components.
1919 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1921 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1922 AC_SUBST(comma_version)
1923 AC_SUBST(comma_space_version)
1924 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1925 if test "${opsys}" = "cygwin"; then
1926 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1927 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1928 # Tell the linker that emacs.res is an object (which we compile from
1929 # the rc file), not a linker script.
1930 W32_RES_LINK="-Wl,emacs.res"
1932 UPDATE_MANIFEST=update-game-score.exe.manifest
1933 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1934 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1935 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1936 W32_RES_LINK="\$(EMACSRES)"
1937 CLIENTRES="emacsclient.res"
1938 CLIENTW="emacsclientw\$(EXEEXT)"
1939 FIRSTFILE_OBJ=firstfile.o
1942 LIBS_ECLIENT="-lcomctl32"
1943 LIB_WSOCK32="-lwsock32"
1944 NTLIB="ntlib.$ac_objext"
1945 XARGS_LIMIT="-s 10000"
1951 AC_SUBST(EMACS_MANIFEST)
1952 AC_SUBST(UPDATE_MANIFEST)
1955 AC_SUBST(W32_RES_LINK)
1956 AC_SUBST(FIRSTFILE_OBJ)
1959 AC_SUBST(LIBS_ECLIENT)
1960 AC_SUBST(LIB_WSOCK32)
1962 AC_SUBST(XARGS_LIMIT)
1964 if test "${HAVE_W32}" = "yes"; then
1969 ## $window_system is now set to the window system we will
1972 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1973 # Too many warnings for now.
1975 nw="$nw -Wsuggest-attribute=const"
1976 nw="$nw -Wsuggest-attribute=noreturn"
1977 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1979 gl_WARN_ADD([-Wno-unused-variable])
1980 gl_WARN_ADD([-Wno-unused-but-set-variable])
1981 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1989 case "${window_system}" in
1994 case "${with_x_toolkit}" in
1995 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1996 motif ) USE_X_TOOLKIT=MOTIF ;;
1998 term_header=gtkutil.h
1999 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2000 dnl USE_X_TOOLKIT is set.
2001 USE_X_TOOLKIT=none ;;
2002 gtk2 ) with_gtk2=yes
2003 term_header=gtkutil.h
2004 USE_X_TOOLKIT=none ;;
2005 gtk3 ) with_gtk3=yes
2006 term_header=gtkutil.h
2007 USE_X_TOOLKIT=none ;;
2008 no ) USE_X_TOOLKIT=none ;;
2009 dnl If user did not say whether to use a toolkit, make this decision later:
2010 dnl use the toolkit if we have gtk, or X11R5 or newer.
2011 * ) USE_X_TOOLKIT=maybe ;;
2015 term_header=nsterm.h
2018 term_header=w32term.h
2022 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2023 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2024 if test "$HAVE_XSERVER" = true ||
2025 test -n "$DISPLAY" ||
2026 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2027 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2028 were found. You should install the relevant development files for X
2029 and for the toolkit you want, such as Gtk+ or Motif. Also make
2030 sure you have development files for image handling, i.e.
2031 tiff, gif, jpeg, png and xpm.
2032 If you are sure you want Emacs compiled without X window support, pass
2038 # Does the opsystem file prohibit the use of the GNU malloc?
2039 # Assume not, until told otherwise.
2043 [whether malloc is Doug Lea style],
2044 [emacs_cv_var_doug_lea_malloc],
2045 [emacs_cv_var_doug_lea_malloc=no
2046 dnl Hooks do not work with address sanitization.
2047 if test "$emacs_cv_sanitize_address" != yes; then
2050 [[#include <malloc.h>
2051 static void hook (void) {}]],
2052 [[malloc_set_state (malloc_get_state ());
2053 __after_morecore_hook = hook;
2054 __malloc_initialize_hook = hook;]])],
2055 [emacs_cv_var_doug_lea_malloc=yes])])
2057 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2059 system_malloc=$emacs_cv_sanitize_address
2064 ## darwin ld insists on the use of malloc routines in the System framework.
2065 darwin|mingw32|sol2-10) system_malloc=yes ;;
2066 cygwin) hybrid_malloc=yes;;
2070 if test "${system_malloc}" = "yes"; then
2071 AC_DEFINE([SYSTEM_MALLOC], 1,
2072 [Define to 1 to use the system memory allocator, even if it is not
2076 (The GNU allocators don't work with this system configuration.)"
2078 elif test "$hybrid_malloc" = yes; then
2079 AC_DEFINE(HYBRID_MALLOC, 1,
2080 [Define to use gmalloc before dumping and the system malloc after.])
2082 GNU_MALLOC_reason="only before dumping"
2083 GMALLOC_OBJ=gmalloc.o
2086 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2087 VMLIMIT_OBJ=vm-limit.o
2089 AC_CHECK_HEADERS([sys/vlimit.h])
2090 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2093 [[extern char data_start[]; char ch;]],
2094 [[return data_start < &ch;]])],
2095 [emacs_cv_data_start=yes],
2096 [emacs_cv_data_start=no])])
2097 if test $emacs_cv_data_start = yes; then
2098 AC_DEFINE([HAVE_DATA_START], 1,
2099 [Define to 1 if data_start is the address of the start
2100 of the main data segment.])
2103 AC_SUBST(GMALLOC_OBJ)
2104 AC_SUBST(VMLIMIT_OBJ)
2106 if test "$doug_lea_malloc" = "yes" ; then
2107 if test "$GNU_MALLOC" = yes ; then
2109 (Using Doug Lea's new malloc from the GNU C Library.)"
2111 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2112 [Define to 1 if the system memory allocator is Doug Lea style,
2113 with malloc hooks and malloc_set_state.])
2115 ## Use mmap directly for allocating larger buffers.
2116 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2117 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2118 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2120 mingw32|gnu*) REL_ALLOC=no ;;
2124 if test x"${REL_ALLOC}" = x; then
2125 REL_ALLOC=${GNU_MALLOC}
2128 use_mmap_for_buffers=no
2130 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2134 if test $use_mmap_for_buffers = yes; then
2135 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2139 LIBS="$LIBS_SYSTEM $LIBS"
2141 dnl FIXME replace main with a function we actually want from this library.
2142 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2144 dnl Check for the POSIX thread library.
2146 if test "$opsys" != "mingw32"; then
2147 AC_CHECK_HEADERS_ONCE(pthread.h)
2148 if test "$ac_cv_header_pthread_h"; then
2149 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2150 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2151 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2152 if test "$GMALLOC_OBJ" = gmalloc.o; then
2153 emacs_pthread_function=pthread_atfork
2155 emacs_pthread_function=pthread_kill
2158 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2159 [AC_DEFINE([HAVE_PTHREAD], [1],
2160 [Define to 1 if you have pthread (-lpthread).])
2161 # Some systems optimize for single-threaded programs by default, and
2162 # need special flags to disable these optimizations. For example, the
2163 # definition of 'errno' in <errno.h>.
2166 AC_DEFINE([_REENTRANT], 1,
2167 [Define to 1 if your system requires this in multithreaded code.]);;
2169 AC_DEFINE([_THREAD_SAFE], 1,
2170 [Define to 1 if your system requires this in multithreaded code.]);;
2172 if test "X$LIBS" != "X$OLD_LIBS"; then
2173 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2177 AC_SUBST([LIB_PTHREAD])
2180 dnl Check for need for bigtoc support on IBM AIX
2184 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2186 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2187 *) gdb_cv_bigtoc=-bbigtoc ;;
2190 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2191 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2196 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2197 # is for the tests that follow. We set them back later on.
2199 REAL_CFLAGS="$CFLAGS"
2200 REAL_CPPFLAGS="$CPPFLAGS"
2203 if test "${HAVE_X11}" = "yes"; then
2204 DEFS="$C_SWITCH_X_SITE $DEFS"
2205 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2207 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2208 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2210 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2211 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2212 # but it's more convenient here to set LD_RUN_PATH since this
2213 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2214 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2215 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2219 if test "${opsys}" = "gnu-linux"; then
2220 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2221 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2222 [[XOpenDisplay ("foo");]])],
2223 [xgnu_linux_first_failure=no],
2224 [xgnu_linux_first_failure=yes])
2225 if test "${xgnu_linux_first_failure}" = "yes"; then
2226 OLD_CPPFLAGS="$CPPFLAGS"
2228 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2229 LIBS="$LIBS -b i486-linuxaout"
2230 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2231 [[XOpenDisplay ("foo");]])],
2232 [xgnu_linux_second_failure=no],
2233 [xgnu_linux_second_failure=yes])
2234 if test "${xgnu_linux_second_failure}" = "yes"; then
2235 # If we get the same failure with -b, there is no use adding -b.
2236 # So leave it out. This plays safe.
2239 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2240 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2243 CPPFLAGS=$OLD_CPPFLAGS
2250 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2251 # header files included from there.
2252 AC_MSG_CHECKING(for Xkb)
2253 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2254 #include <X11/XKBlib.h>]],
2255 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2256 emacs_xkb=yes, emacs_xkb=no)
2257 AC_MSG_RESULT($emacs_xkb)
2258 if test $emacs_xkb = yes; then
2259 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2262 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2263 XScreenNumberOfScreen)
2266 if test "${window_system}" = "x11"; then
2267 AC_MSG_CHECKING(X11 version 6)
2268 AC_CACHE_VAL(emacs_cv_x11_version_6,
2269 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2270 [[#if XlibSpecificationRelease < 6
2273 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2274 if test $emacs_cv_x11_version_6 = yes; then
2275 AC_MSG_RESULT(6 or newer)
2276 AC_DEFINE(HAVE_X11R6, 1,
2277 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2278 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2279 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2283 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2284 [Define if you have usable X11R6-style XIM support.])
2288 AC_MSG_RESULT(before 6)
2293 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2295 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2296 if test "${with_rsvg}" != "no"; then
2297 RSVG_REQUIRED=2.11.0
2298 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2300 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2301 AC_SUBST(RSVG_CFLAGS)
2304 if test $HAVE_RSVG = yes; then
2305 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2306 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2307 # Windows loads librsvg dynamically
2308 if test "${opsys}" = "mingw32"; then
2316 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2317 if test "${with_imagemagick}" != "no"; then
2318 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2319 ## 6.8.2 makes Emacs crash; see Bug#13867.
2320 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2321 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2322 AC_SUBST(IMAGEMAGICK_CFLAGS)
2323 AC_SUBST(IMAGEMAGICK_LIBS)
2325 if test $HAVE_IMAGEMAGICK = yes; then
2326 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2329 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2330 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2331 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2341 gtk_term_header=$term_header
2344 if test "${opsys}" != "mingw32"; then
2345 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2348 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2350 dnl Checks for libraries.
2351 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2352 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2353 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2354 AC_MSG_ERROR($GTK_PKG_ERRORS)
2356 if test "$pkg_check_gtk" = "yes"; then
2357 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2358 GTK_OBJ=emacsgtkfixed.o
2359 gtk_term_header=gtkutil.h
2360 USE_GTK_TOOLKIT="GTK3"
2361 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2362 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2363 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2364 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2365 [Define to 1 to disable Glib deprecation warnings.])
2369 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2373 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2376 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2378 dnl Checks for libraries.
2379 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2380 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2381 if test "$pkg_check_gtk" = "no" &&
2382 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2384 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2386 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2393 if test x"$pkg_check_gtk" = xyes; then
2396 CFLAGS="$CFLAGS $GTK_CFLAGS"
2397 LIBS="$GTK_LIBS $LIBS"
2398 dnl Try to compile a simple GTK program.
2399 AC_MSG_CHECKING([whether GTK compiles])
2403 [[/* Check the Gtk and Glib APIs. */
2404 #include <gtk/gtk.h>
2405 #include <glib-object.h>
2407 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2411 GtkSettings *gs = 0;
2412 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2413 strict C prohibits this. Use gtk_main_iteration to test that the
2414 libraries are there. */
2415 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2416 0, 0, 0, G_CALLBACK (callback), 0))
2417 gtk_main_iteration ();
2420 AC_MSG_RESULT([$GTK_COMPILES])
2421 if test "${GTK_COMPILES}" != "yes"; then
2423 if test "$USE_X_TOOLKIT" != "maybe"; then
2424 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2427 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2429 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2430 GTK_OBJ="gtkutil.o $GTK_OBJ"
2431 term_header=$gtk_term_header
2433 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2436 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2437 closing open displays. This is no problem if you just use
2438 one display, but if you use more than one and close one of them
2448 if test "${HAVE_GTK}" = "yes"; then
2450 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2451 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2452 if test "$with_toolkit_scroll_bars" != no; then
2453 with_toolkit_scroll_bars=yes
2456 dnl Check if we have the old file selection dialog declared and
2457 dnl in the link library. In 2.x it may be in the library,
2458 dnl but not declared if deprecated featured has been selected out.
2459 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2460 HAVE_GTK_FILE_SELECTION=no
2461 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2462 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2463 #include <gtk/gtk.h>])
2464 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2465 AC_CHECK_FUNCS(gtk_file_selection_new)
2468 dnl Same as above for gtk_handle_box.
2469 HAVE_GTK_HANDLE_BOX=no
2470 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2471 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2472 #include <gtk/gtk.h>])
2473 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2474 AC_CHECK_FUNCS(gtk_handle_box_new)
2477 dnl Same as above for gtk_tearoff_menu_item.
2478 HAVE_GTK_TEAROFF_MENU_ITEM=no
2479 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2480 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2481 #include <gtk/gtk.h>])
2482 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2483 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2486 dnl Check for functions introduced in 2.14 and later.
2487 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2488 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2489 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2490 gtk_orientable_set_orientation \
2491 gtk_window_set_has_resize_grip)
2493 term_header=gtkutil.h
2499 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2500 dnl other platforms.
2503 if test "${with_dbus}" = "yes"; then
2504 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2505 if test "$HAVE_DBUS" = yes; then
2506 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2507 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2508 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2511 LIBS="$LIBS $DBUS_LIBS"
2512 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2513 dbus_type_is_valid \
2514 dbus_validate_bus_name \
2515 dbus_validate_path \
2516 dbus_validate_interface \
2517 dbus_validate_member)
2522 AC_SUBST(DBUS_CFLAGS)
2526 dnl GSettings has been tested under GNU/Linux only.
2528 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2529 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2530 if test "$HAVE_GSETTINGS" = "yes"; then
2532 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2534 LIBS="$LIBS $GSETTINGS_LIBS"
2535 AC_MSG_CHECKING([whether GSettings is in gio])
2538 [[/* Check that gsettings really is present. */
2539 #include <glib-object.h>
2540 #include <gio/gio.h>
2543 GSettings *settings;
2544 GVariant *val = g_settings_get_value (settings, "");
2546 [], HAVE_GSETTINGS=no)
2547 AC_MSG_RESULT([$HAVE_GSETTINGS])
2549 if test "$HAVE_GSETTINGS" = "yes"; then
2550 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2551 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2552 SETTINGS_LIBS="$GSETTINGS_LIBS"
2559 dnl GConf has been tested under GNU/Linux only.
2560 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2562 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2563 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2564 if test "$HAVE_GCONF" = yes; then
2565 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2566 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2567 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2568 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2572 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2573 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2574 if test "$HAVE_GOBJECT" = "yes"; then
2575 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2576 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2578 SAVE_CFLAGS="$CFLAGS"
2580 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2581 LIBS="$SETTINGS_LIBS $LIBS"
2582 CFLAGS="$SAVE_CFLAGS"
2585 AC_SUBST(SETTINGS_CFLAGS)
2586 AC_SUBST(SETTINGS_LIBS)
2589 dnl SELinux is available for GNU/Linux only.
2592 if test "${with_selinux}" = "yes"; then
2593 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2594 if test "$HAVE_LIBSELINUX" = yes; then
2595 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2596 LIBSELINUX_LIBS=-lselinux
2599 AC_SUBST(LIBSELINUX_LIBS)
2603 if test "${with_gnutls}" = "yes" ; then
2604 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 3.0.0],
2605 [HAVE_GNUTLS3=yes], [HAVE_GNUTLS3=no])
2606 if test "${HAVE_GNUTLS3}" = "yes"; then
2607 AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])
2610 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2611 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2613 if test "${HAVE_GNUTLS}" = "yes"; then
2614 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2617 # Windows loads GnuTLS dynamically
2618 if test "${opsys}" = "mingw32"; then
2623 AC_SUBST(LIBGNUTLS_LIBS)
2624 AC_SUBST(LIBGNUTLS_CFLAGS)
2629 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2630 dnl a particular library. This doesn't make much sense?
2631 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2632 with_file_notification=no
2635 dnl MS Windows native file monitor is available for mingw32 only.
2636 case $with_file_notification,$opsys in
2637 w32,* | yes,mingw32)
2638 AC_CHECK_HEADER(windows.h)
2639 if test "$ac_cv_header_windows_h" = yes ; then
2640 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2641 NOTIFY_OBJ=w32notify.o
2642 NOTIFY_SUMMARY="yes (w32)"
2646 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2647 dnl has been added in glib 2.24. It has been tested under
2648 dnl GNU/Linux only. We take precedence over inotify, but this makes
2649 dnl only sense when glib has been compiled with inotify support. How
2651 case $with_file_notification,$NOTIFY_OBJ in
2653 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2654 if test "$HAVE_GFILENOTIFY" = "yes"; then
2655 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2656 NOTIFY_OBJ=gfilenotify.o
2657 NOTIFY_SUMMARY="yes -lgio (gfile)"
2661 dnl inotify is only available on GNU/Linux.
2662 case $with_file_notification,$NOTIFY_OBJ in
2664 AC_CHECK_HEADER(sys/inotify.h)
2665 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2666 AC_CHECK_FUNC(inotify_init1)
2667 if test "$ac_cv_func_inotify_init1" = yes; then
2668 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2669 NOTIFY_OBJ=inotify.o
2670 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2675 case $with_file_notification,$NOTIFY_OBJ in
2676 yes,* | no,* | *,?*) ;;
2677 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2680 if test -n "$NOTIFY_OBJ"; then
2681 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2683 AC_SUBST(NOTIFY_OBJ)
2684 AC_SUBST(GFILENOTIFY_CFLAGS)
2685 AC_SUBST(GFILENOTIFY_LIBS)
2687 dnl Do not put whitespace before the #include statements below.
2688 dnl Older compilers (eg sunos4 cc) choke on it.
2691 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2692 if test "$with_xaw3d" != no; then
2693 AC_CACHE_VAL(emacs_cv_xaw3d,
2694 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2695 #include <X11/Intrinsic.h>
2696 #include <X11/Xaw3d/Simple.h>]],
2698 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2699 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2700 emacs_cv_xaw3d=no)])
2704 if test $emacs_cv_xaw3d = yes; then
2705 AC_MSG_CHECKING(for xaw3d)
2706 AC_MSG_RESULT([yes; using Lucid toolkit])
2710 AC_DEFINE(HAVE_XAW3D, 1,
2711 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2713 AC_MSG_CHECKING(for xaw3d)
2715 AC_MSG_CHECKING(for libXaw)
2716 AC_CACHE_VAL(emacs_cv_xaw,
2717 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2718 #include <X11/Intrinsic.h>
2719 #include <X11/Xaw/Simple.h>]],
2723 if test $emacs_cv_xaw = yes; then
2724 AC_MSG_RESULT([yes; using Lucid toolkit])
2727 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2728 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2730 AC_MSG_ERROR([No X toolkit could be found.
2731 If you are sure you want Emacs compiled without an X toolkit, pass
2733 to configure. Otherwise, install the development libraries for the toolkit
2734 that you want to use (e.g. Gtk+) and re-run configure.])
2739 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2743 if test "${USE_X_TOOLKIT}" != "none"; then
2744 AC_MSG_CHECKING(X11 toolkit version)
2745 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2746 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2747 [[#if XtSpecificationRelease < 6
2750 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2751 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2752 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2753 AC_MSG_RESULT(6 or newer)
2754 AC_DEFINE(HAVE_X11XTR6, 1,
2755 [Define to 1 if you have the X11R6 or newer version of Xt.])
2756 LIBXTR6="-lSM -lICE"
2758 ## Use libw.a along with X11R6 Xt.
2759 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2762 AC_MSG_RESULT(before 6)
2765 dnl If using toolkit, check whether libXmu.a exists.
2766 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2768 if test x$HAVE_X11XTR6 = xyes; then
2769 OTHERLIBS='-lXt -lSM -lICE'
2773 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2774 if test "X$LIBS" != "X$OLDLIBS"; then
2775 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2778 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2784 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2785 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2786 if test -d /usr/include/openmotif; then
2787 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2788 emacs_cv_openmotif=yes
2789 case "$canonical" in
2790 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2791 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2794 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2797 emacs_cv_openmotif=no
2799 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2800 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2801 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2804 Motif version prior to 2.1.
2806 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2807 if test $emacs_cv_motif_version_2_1 = yes; then
2808 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2809 if test x$emacs_cv_openmotif = xyes; then
2810 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2813 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2814 # We put this in CFLAGS temporarily to precede other -I options
2815 # that might be in CFLAGS temporarily.
2816 # We put this in CPPFLAGS where it precedes the other -I options.
2817 OLD_CPPFLAGS=$CPPFLAGS
2819 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2820 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2821 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2823 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2824 if test $emacs_cv_lesstif = yes; then
2825 # Make sure this -I option remains in CPPFLAGS after it is set
2826 # back to REAL_CPPFLAGS.
2827 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2828 # have those other -I options anyway. Ultimately, having this
2829 # directory ultimately in CPPFLAGS will be enough.
2830 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2831 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2834 CPPFLAGS=$OLD_CPPFLAGS
2837 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2838 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2841 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2842 dnl using Motif or Xaw3d is available, and unless
2843 dnl --with-toolkit-scroll-bars=no was specified.
2845 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2846 [Define to 1 if we should use toolkit scroll bars.])dnl
2847 USE_TOOLKIT_SCROLL_BARS=no
2848 if test "${with_toolkit_scroll_bars}" != "no"; then
2849 if test "${USE_X_TOOLKIT}" != "none"; then
2850 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2851 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2853 USE_TOOLKIT_SCROLL_BARS=yes
2854 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2855 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2856 USE_TOOLKIT_SCROLL_BARS=yes
2858 elif test "${HAVE_GTK}" = "yes"; then
2859 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2860 USE_TOOLKIT_SCROLL_BARS=yes
2861 elif test "${HAVE_NS}" = "yes"; then
2862 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2863 USE_TOOLKIT_SCROLL_BARS=yes
2864 elif test "${HAVE_W32}" = "yes"; then
2865 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2866 USE_TOOLKIT_SCROLL_BARS=yes
2870 dnl See if XIM is available.
2871 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2872 #include <X11/Xlib.h>
2873 #include <X11/Xresource.h>]],
2874 [[XIMProc callback;]])],
2876 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2879 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2881 if test "${with_xim}" != "no"; then
2882 AC_DEFINE(USE_XIM, 1,
2883 [Define to 1 if we should use XIM, if it is available.])
2887 if test "${HAVE_XIM}" != "no"; then
2889 if test "$GCC" = yes; then
2890 CFLAGS="$CFLAGS --pedantic-errors"
2892 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2893 #include <X11/Xlib.h>
2894 #include <X11/Xresource.h>]],
2900 XPointer *client_data;
2902 /* If we're not using GCC, it's probably not XFree86, and this is
2903 probably right, but we can't use something like --pedantic-errors. */
2904 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2905 char*, XIMProc, XPointer*);
2907 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2909 [emacs_cv_arg6_star=yes])
2910 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2911 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2912 either XPointer or XPointer*.])dnl
2913 if test "$emacs_cv_arg6_star" = yes; then
2914 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2916 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2921 ### Start of font-backend (under any platform) section.
2922 # (nothing here yet -- this is a placeholder)
2923 ### End of font-backend (under any platform) section.
2925 ### Start of font-backend (under X11) section.
2926 if test "${HAVE_X11}" = "yes"; then
2927 ## Use -lXft if available, unless `--with-xft=no'.
2929 if test "x${with_x}" = "xno"; then
2933 if test "$with_xft" != no; then
2934 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2935 with_xft=$HAVE_FONTCONFIG
2938 if test "x${with_xft}" != "xno"; then
2940 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2941 ## Because xftfont.c uses XRenderQueryExtension, we also
2942 ## need to link to -lXrender.
2944 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2945 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2946 OLD_CPPFLAGS="$CPPFLAGS"
2947 OLD_CFLAGS="$CFLAGS"
2949 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2950 CFLAGS="$CFLAGS $XFT_CFLAGS"
2951 XFT_LIBS="-lXrender $XFT_LIBS"
2952 LIBS="$XFT_LIBS $LIBS"
2953 AC_CHECK_HEADER(X11/Xft/Xft.h,
2954 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2955 [[#include <X11/X.h>]])
2957 if test "${HAVE_XFT}" = "yes"; then
2958 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2960 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2961 fi # "${HAVE_XFT}" = "yes"
2962 CPPFLAGS=$OLD_CPPFLAGS
2965 fi # "$HAVE_XFT" != no
2966 fi # "x${with_xft}" != "xno"
2968 ## We used to allow building with FreeType and without Xft.
2969 ## However, the ftx font backend driver is not in good shape.
2970 if test "$HAVE_XFT" != "yes"; then
2971 dnl For the "Does Emacs use" message at the end.
2975 dnl Strict linkers fail with
2976 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
2977 dnl if -lfreetype is not specified.
2978 dnl The following is needed to set FREETYPE_LIBS.
2979 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
2981 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
2985 if test "${HAVE_FREETYPE}" = "yes"; then
2986 AC_DEFINE(HAVE_FREETYPE, 1,
2987 [Define to 1 if using the freetype and fontconfig libraries.])
2988 if test "${with_libotf}" != "no"; then
2989 EMACS_CHECK_MODULES([LIBOTF], [libotf])
2990 if test "$HAVE_LIBOTF" = "yes"; then
2991 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2992 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
2993 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
2994 HAVE_OTF_GET_VARIATION_GLYPHS=no)
2995 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
2996 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
2997 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3001 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3002 dnl Does the new font backend require it, or can it work without it?
3006 if test "${HAVE_LIBOTF}" = yes; then
3007 if test "${with_m17n_flt}" != "no"; then
3008 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3009 if test "$HAVE_M17N_FLT" = "yes"; then
3010 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3021 ### End of font-backend (under X11) section.
3023 AC_SUBST(FREETYPE_CFLAGS)
3024 AC_SUBST(FREETYPE_LIBS)
3025 AC_SUBST(FONTCONFIG_CFLAGS)
3026 AC_SUBST(FONTCONFIG_LIBS)
3027 AC_SUBST(LIBOTF_CFLAGS)
3028 AC_SUBST(LIBOTF_LIBS)
3029 AC_SUBST(M17N_FLT_CFLAGS)
3030 AC_SUBST(M17N_FLT_LIBS)
3032 ### Use -lXpm if available, unless `--with-xpm=no'.
3033 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3034 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3035 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3036 ### LDFLAGS) accordingly.
3039 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3040 if test "${with_xpm}" != "no"; then
3041 SAVE_CPPFLAGS="$CPPFLAGS"
3042 SAVE_LDFLAGS="$LDFLAGS"
3043 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3044 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3045 AC_CHECK_HEADER(X11/xpm.h,
3046 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3047 if test "${HAVE_XPM}" = "yes"; then
3048 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3049 AC_EGREP_CPP(no_return_alloc_pixels,
3050 [#include "X11/xpm.h"
3051 #ifndef XpmReturnAllocPixels
3052 no_return_alloc_pixels
3054 ], HAVE_XPM=no, HAVE_XPM=yes)
3056 if test "${HAVE_XPM}" = "yes"; then
3057 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3061 CPPFLAGS="$SAVE_CPPFLAGS"
3062 LDFLAGS="$SAVE_LDFLAGS"
3067 if test "${HAVE_XPM}" = "yes"; then
3068 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3073 if test "${HAVE_X11}" = "yes"; then
3074 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3075 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3077 if test "${with_xpm}" != "no"; then
3078 AC_CHECK_HEADER(X11/xpm.h,
3079 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3080 if test "${HAVE_XPM}" = "yes"; then
3081 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3082 AC_EGREP_CPP(no_return_alloc_pixels,
3083 [#include "X11/xpm.h"
3084 #ifndef XpmReturnAllocPixels
3085 no_return_alloc_pixels
3087 ], HAVE_XPM=no, HAVE_XPM=yes)
3089 if test "${HAVE_XPM}" = "yes"; then
3097 if test "${HAVE_XPM}" = "yes"; then
3098 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3100 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3101 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3106 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3107 ### slightly different requirements wrt image libraries (it doesn't
3108 ### use -lXpm because it loads the xpm shared library dynamically at
3110 if test "${opsys}" = "mingw32"; then
3111 if test "${with_xpm}" != "no"; then
3112 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3116 if test "${HAVE_XPM}" = "yes"; then
3117 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3123 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3124 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3127 if test "${opsys}" = "mingw32"; then
3128 if test "${with_jpeg}" != "no"; then
3129 dnl Checking for jpeglib.h can lose because of a redefinition of
3131 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3133 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3134 if test "${HAVE_JPEG}" = "yes"; then
3135 AC_DEFINE(HAVE_JPEG)
3136 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3137 [#include <jpeglib.h>
3138 version=JPEG_LIB_VERSION
3140 [AC_DEFINE(HAVE_JPEG)],
3141 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3144 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3145 if test "${with_jpeg}" != "no"; then
3146 dnl Checking for jpeglib.h can lose because of a redefinition of
3148 AC_CHECK_HEADER(jerror.h,
3149 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3152 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3153 if test "${HAVE_JPEG}" = "yes"; then
3154 AC_DEFINE(HAVE_JPEG)
3155 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3156 [#include <jpeglib.h>
3157 version=JPEG_LIB_VERSION
3159 [AC_DEFINE(HAVE_JPEG)],
3160 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3163 if test "${HAVE_JPEG}" = "yes"; then
3171 if test "${with_zlib}" != "no"; then
3173 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3175 case $ac_cv_search_inflateEnd in
3176 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3179 if test "${HAVE_ZLIB}" = "yes"; then
3180 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3181 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3182 if test "${opsys}" = "mingw32"; then
3188 ### Use -lpng if available, unless `--with-png=no'.
3192 if test "${NS_IMPL_COCOA}" = yes; then
3194 elif test "${with_png}" != no; then
3195 # mingw32 loads the library dynamically.
3196 if test "$opsys" = mingw32; then
3197 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3198 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3199 AC_MSG_CHECKING([for png])
3200 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3201 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3202 # libpng-config does not work; configure by hand.
3203 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3204 # in /usr/include/libpng.
3205 if test -r /usr/include/libpng/png.h &&
3206 test ! -r /usr/include/png.h; then
3207 png_cflags=-I/usr/include/libpng
3215 CFLAGS="$CFLAGS $png_cflags"
3216 LIBS="$png_libs -lz -lm $LIBS"
3218 [AC_LANG_PROGRAM([[#include <png.h>]],
3219 [[return !png_get_channels (0, 0);]])],
3221 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3223 # $LIBPNG requires explicit -lz in some cases.
3224 # We don't know what those cases are, exactly, so play it safe and
3225 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3226 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3227 LIBPNG="$LIBPNG -lz"
3231 AC_MSG_RESULT([$HAVE_PNG])
3234 if test $HAVE_PNG = yes; then
3235 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3238 CFLAGS="$CFLAGS $PNG_CFLAGS"
3239 AC_CHECK_DECL([png_longjmp],
3241 [AC_DEFINE([PNG_DEPSTRUCT], [],
3242 [Define to empty to suppress deprecation warnings when building
3243 with --enable-gcc-warnings and with libpng versions before 1.5,
3244 which lack png_longjmp.])],
3250 AC_SUBST(PNG_CFLAGS)
3252 ### Use -ltiff if available, unless `--with-tiff=no'.
3253 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3256 if test "${opsys}" = "mingw32"; then
3257 if test "${with_tiff}" != "no"; then
3258 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3260 if test "${HAVE_TIFF}" = "yes"; then
3261 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3263 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3264 if test "${with_tiff}" != "no"; then
3265 AC_CHECK_HEADER(tiffio.h,
3267 # At least one tiff package requires the jpeg library.
3268 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3269 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3272 if test "${HAVE_TIFF}" = "yes"; then
3273 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3274 dnl FIXME -lz -lm, as per libpng?
3280 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3281 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3284 if test "${opsys}" = "mingw32"; then
3285 if test "${with_gif}" != "no"; then
3286 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3288 if test "${HAVE_GIF}" = "yes"; then
3289 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3291 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3292 || test "${HAVE_W32}" = "yes"; then
3293 AC_CHECK_HEADER(gif_lib.h,
3294 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3295 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3296 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3297 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3299 if test "$HAVE_GIF" = yes; then
3301 elif test "$HAVE_GIF" = maybe; then
3302 # If gif_lib.h but no libgif, try libungif.
3303 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3304 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3307 if test "${HAVE_GIF}" = "yes"; then
3308 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3313 dnl Check for required libraries.
3314 if test "${HAVE_X11}" = "yes"; then
3317 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3318 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3319 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3320 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3321 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3322 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3323 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3324 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3325 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3326 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3328 if test "X${MISSING}" != X; then
3329 AC_MSG_ERROR([The following required libraries were not found:
3331 Maybe some development libraries/packages are missing?
3332 If you don't want to link with them give
3334 as options to configure])
3338 ### Use -lgpm if available, unless `--with-gpm=no'.
3341 if test "${with_gpm}" != "no"; then
3342 AC_CHECK_HEADER(gpm.h,
3343 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3345 if test "${HAVE_GPM}" = "yes"; then
3346 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3352 dnl Check for malloc/malloc.h on darwin
3353 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3356 ### Use NeXTstep API to implement GUI.
3357 if test "${HAVE_NS}" = "yes"; then
3358 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3359 if test "${NS_IMPL_COCOA}" = "yes"; then
3360 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3362 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3363 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3364 # See also .m.o rule in Makefile.in */
3365 # FIXME: are all these flags really needed? Document here why. */
3366 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3367 ## Extra CFLAGS applied to src/*.m files.
3368 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3373 ### Use session management (-lSM -lICE) if available
3376 if test "${HAVE_X11}" = "yes"; then
3377 AC_CHECK_HEADER(X11/SM/SMlib.h,
3378 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3380 if test "${HAVE_X_SM}" = "yes"; then
3381 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3387 ### Use XRandr (-lXrandr) if available
3389 if test "${HAVE_X11}" = "yes"; then
3390 XRANDR_REQUIRED=1.2.2
3391 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3392 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3393 if test $HAVE_XRANDR = no; then
3394 # Test old way in case pkg-config doesn't have it (older machines).
3395 # Include Xrender.h by hand to work around bug in older Xrandr.h
3396 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3397 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3398 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3399 [], [AC_INCLUDES_DEFAULT
3400 #include <X11/extensions/Xrender.h>])
3401 if test $HAVE_XRANDR = yes; then
3402 XRANDR_LIBS=-lXrandr
3405 if test $HAVE_XRANDR = yes; then
3406 SAVE_CFLAGS="$CFLAGS"
3408 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3409 LIBS="$XRANDR_LIBS $LIBS"
3410 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3411 CFLAGS="$SAVE_CFLAGS"
3414 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3417 AC_SUBST(XRANDR_CFLAGS)
3418 AC_SUBST(XRANDR_LIBS)
3420 ### Use Xinerama (-lXinerama) if available
3422 if test "${HAVE_X11}" = "yes"; then
3423 XINERAMA_REQUIRED=1.0.2
3424 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3425 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3426 if test $HAVE_XINERAMA = no; then
3427 # Test old way in case pkg-config doesn't have it (older machines).
3428 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3429 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3430 if test $HAVE_XINERAMA = yes; then
3431 XINERAMA_LIBS=-lXinerama
3434 if test $HAVE_XINERAMA = yes; then
3435 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3438 AC_SUBST(XINERAMA_CFLAGS)
3439 AC_SUBST(XINERAMA_LIBS)
3441 ### Use Xfixes (-lXfixes) if available
3443 if test "${HAVE_X11}" = "yes"; then
3444 XFIXES_REQUIRED=4.0.0
3445 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3446 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3447 if test $HAVE_XFIXES = no; then
3448 # Test old way in case pkg-config doesn't have it (older machines).
3449 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3450 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3451 if test $HAVE_XFIXES = yes; then
3452 XFIXES_LIBS=-lXfixes
3455 if test $HAVE_XFIXES = yes; then
3456 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3459 AC_SUBST(XFIXES_CFLAGS)
3460 AC_SUBST(XFIXES_LIBS)
3462 ### Use libxml (-lxml2) if available
3463 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3465 if test "${with_xml2}" != "no"; then
3466 ### I'm not sure what the version number should be, so I just guessed.
3467 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3468 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3469 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3470 SAVE_CPPFLAGS="$CPPFLAGS"
3471 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3472 AC_CHECK_HEADER(libxml/HTMLparser.h,
3473 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3474 [#include <libxml/HTMLparser.h>])])
3475 CPPFLAGS="$SAVE_CPPFLAGS"
3476 if test "${HAVE_LIBXML2}" = "yes"; then
3477 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3478 LIBXML2_LIBS="-lxml2"
3481 if test "${HAVE_LIBXML2}" = "yes"; then
3482 if test "${opsys}" != "mingw32"; then
3483 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3488 if test "${HAVE_LIBXML2}" = "yes"; then
3489 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3496 AC_SUBST(LIBXML2_LIBS)
3497 AC_SUBST(LIBXML2_CFLAGS)
3499 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3500 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3501 if test "${opsys}" = "mingw32"; then
3502 emacs_cv_netdb_declares_h_errno=yes
3504 AC_CACHE_CHECK(whether netdb declares h_errno,
3505 emacs_cv_netdb_declares_h_errno,
3506 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3507 [[return h_errno;]])],
3508 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3509 if test $emacs_cv_netdb_declares_h_errno = yes; then
3510 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3513 # Check for mail-locking functions in a "mail" library. Probably this should
3514 # have the same check as for liblockfile below.
3515 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3516 if test $have_mail = yes; then
3518 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3521 LIBS="$LIBS_MAIL $LIBS"
3522 AC_CHECK_FUNCS(touchlock)
3527 dnl Debian, at least:
3528 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3529 if test $have_lockfile = yes; then
3530 LIBS_MAIL=-llockfile
3531 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3533 # If we have the shared liblockfile, assume we must use it for mail
3534 # locking (e.g. Debian). If we couldn't link against liblockfile
3535 # (no liblockfile.a installed), ensure that we don't need to.
3536 dnl This works for files generally, not just executables.
3537 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3538 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3539 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3540 if test $ac_cv_prog_liblockfile = yes; then
3541 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3542 This probably means that movemail could lose mail.
3543 There may be a `development' package to install containing liblockfile.])
3546 AC_CHECK_HEADERS_ONCE(maillock.h)
3549 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3550 ## interlock access to the mail spool. The alternative is a lock file named
3551 ## /usr/spool/mail/$USER.lock.
3554 aix4-2) mail_lock="lockf" ;;
3556 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3558 ## On GNU/Linux systems, both methods are used by various mail programs.
3559 ## I assume most people are using newer mailers that have heard of flock.
3560 ## Change this if you need to.
3561 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3562 ## configure gets the right answers, and that means *NOT* using flock.
3563 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3564 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3565 ## Debian maintainer hasn't provided a clean fix for Emacs.
3566 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3567 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3568 ## correct logic. -- fx
3569 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3570 ## liblockfile is a Free Software replacement for libmail, used on
3571 ## Debian systems and elsewhere. -rfr.
3574 if test $have_mail = yes || test $have_lockfile = yes; then
3575 test $ac_cv_header_maillock_h = yes && mail_lock=no
3580 mail_lock="none-needed" ;;
3584 case "$mail_lock" in
3585 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3587 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3591 *) BLESSMAIL_TARGET="need-blessmail" ;;
3593 AC_SUBST(BLESSMAIL_TARGET)
3596 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3597 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3598 getrusage get_current_dir_name \
3599 lrand48 random rint \
3600 select getpagesize setlocale newlocale \
3601 getrlimit setrlimit shutdown getaddrinfo \
3602 pthread_sigmask strsignal setitimer \
3603 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3605 getpwent endpwent getgrent endgrent \
3606 cfmakeraw cfsetspeed copysign __executable_start log2)
3609 dnl No need to check for aligned_alloc and posix_memalign if using
3610 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3611 dnl Don't use these functions on Darwin as they are incompatible with
3613 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3614 && test "$opsys" != darwin; then
3615 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3618 dnl Cannot use AC_CHECK_FUNCS
3619 AC_CACHE_CHECK([for __builtin_unwind_init],
3620 emacs_cv_func___builtin_unwind_init,
3621 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3622 emacs_cv_func___builtin_unwind_init=yes,
3623 emacs_cv_func___builtin_unwind_init=no)])
3624 if test $emacs_cv_func___builtin_unwind_init = yes; then
3625 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3626 [Define to 1 if you have the `__builtin_unwind_init' function.])
3629 AC_CHECK_HEADERS_ONCE(sys/un.h)
3634 AC_CHECK_FUNCS(grantpt)
3636 # PTY-related GNU extensions.
3637 AC_CHECK_FUNCS(getpt posix_openpt)
3639 # Check this now, so that we will NOT find the above functions in ncurses.
3640 # That is because we have not set up to link ncurses in lib-src.
3641 # It's better to believe a function is not available
3642 # than to expect to find it in ncurses.
3643 # Also we need tputs and friends to be able to build at all.
3644 AC_MSG_CHECKING([for library containing tputs])
3645 # Run a test program that contains a call to tputs, a call that is
3646 # never executed. This tests whether a pre-'main' dynamic linker
3647 # works with the library. It's too much trouble to actually call
3648 # tputs in the test program, due to portability hassles. When
3649 # cross-compiling, assume the test program will run if it links.
3650 AC_DEFUN([tputs_link_source], [
3652 [[extern void tputs (const char *, int, int (*)(int));
3653 int main (int argc, char **argv)
3656 tputs (argv[0], 0, 0);
3660 if test "${opsys}" = "mingw32"; then
3663 # Maybe curses should be tried earlier?
3664 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3665 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3667 if test -z "$tputs_library"; then
3671 LIBS_TERMCAP=-l$tputs_library
3673 LIBS="$LIBS_TERMCAP $LIBS"
3675 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3676 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3678 if test "X$msg" != Xno; then
3683 AC_MSG_RESULT([$msg])
3684 if test "X$msg" = Xno; then
3685 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3686 The following libraries were tried (in order):
3687 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3688 Please try installing whichever of these libraries is most appropriate
3689 for your system, together with its header files.
3690 For example, a libncurses-dev(el) or similar package.])
3693 ## Use termcap instead of terminfo?
3694 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3696 ## FIXME? In the cases below where we unconditionally set
3697 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3698 ## if that was found above to have tputs.
3699 ## Should we use the gnu* logic everywhere?
3701 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3702 ## The ncurses library has been moved out of the System framework in
3703 ## Mac OS X 10.2. So if configure detects it, set the command-line
3704 ## option to use it.
3705 darwin) LIBS_TERMCAP="-lncurses" ;;
3707 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3710 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3711 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3712 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3713 [[#if __FreeBSD_version < 400000
3716 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3718 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3720 if test $emacs_cv_freebsd_terminfo = yes; then
3721 LIBS_TERMCAP="-lncurses"
3724 LIBS_TERMCAP="-ltermcap"
3734 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3736 LIBS_TERMCAP="-ltermcap"
3740 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3742 ## hpux: Make sure we get select from libc rather than from libcurses
3743 ## because libcurses on HPUX 10.10 has a broken version of select.
3744 ## We used to use -lc -lcurses, but this may be cleaner.
3745 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3746 # set that way, now it uses the default). Isn't this a contradiction?
3747 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3751 TERMCAP_OBJ=tparam.o
3752 if test $TERMINFO = yes; then
3753 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3754 TERMCAP_OBJ=terminfo.o
3756 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3757 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3759 AC_SUBST(LIBS_TERMCAP)
3760 AC_SUBST(TERMCAP_OBJ)
3762 # GNU/Linux-specific timer functions.
3763 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3765 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3767 [[timerfd_create (CLOCK_REALTIME,
3768 TFD_CLOEXEC | TFD_NONBLOCK);
3769 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3770 [emacs_cv_have_timerfd=yes],
3771 [emacs_cv_have_timerfd=no])])
3772 if test "$emacs_cv_have_timerfd" = yes; then
3773 AC_DEFINE([HAVE_TIMERFD], 1,
3774 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3777 # Alternate stack for signal handlers.
3778 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3779 [emacs_cv_alternate_stack],
3781 [AC_LANG_PROGRAM([[#include <signal.h>
3784 struct sigaction sa;
3785 ss.ss_sp = malloc (SIGSTKSZ);
3786 ss.ss_size = SIGSTKSZ;
3787 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3788 sigaltstack (&ss, 0);
3789 sigaction (SIGSEGV, &sa, 0);]])],
3790 [emacs_cv_alternate_stack=yes],
3791 [emacs_cv_alternate_stack=no])])
3793 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3794 # On Darwin, res_init appears not to be useful: see bug#562 and
3795 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3798 if test $opsys != darwin; then
3800 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3801 #include <arpa/nameser.h>
3802 #include <resolv.h>]],
3803 [[return res_init();]])],
3804 have_res_init=yes, have_res_init=no)
3805 if test "$have_res_init" = no; then
3807 LIBS="$LIBS -lresolv"
3808 AC_MSG_CHECKING(for res_init with -lresolv)
3809 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3810 #include <arpa/nameser.h>
3811 #include <resolv.h>]],
3812 [[return res_init();]])],
3813 have_res_init=yes, have_res_init=no)
3814 AC_MSG_RESULT($have_res_init)
3815 if test "$have_res_init" = yes ; then
3821 if test "$have_res_init" = yes; then
3822 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3826 # Do we need the Hesiod library to provide the support routines?
3827 dnl FIXME? Should we be skipping this on Darwin too?
3829 if test "$with_hesiod" != no ; then
3830 # Don't set $LIBS here -- see comments above. FIXME which comments?
3831 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3832 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3833 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3834 if test "$resolv" = yes ; then
3839 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3840 hesiod=yes, :, $RESOLVLIB)])
3842 if test x"$hesiod" = xyes; then
3848 # Do we need libresolv (due to res_init or Hesiod)?
3849 if test "$resolv" = yes && test $opsys != darwin; then
3856 # These tell us which Kerberos-related libraries to use.
3863 if test "${with_kerberos}" != no; then
3865 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3866 if test $have_com_err = yes; then
3867 COM_ERRLIB=-lcom_err
3868 LIBS="$COM_ERRLIB $LIBS"
3870 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3871 if test $have_crypto = yes; then
3873 LIBS="$CRYPTOLIB $LIBS"
3875 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3876 if test $have_k5crypto = yes; then
3877 CRYPTOLIB=-lk5crypto
3878 LIBS="$CRYPTOLIB $LIBS"
3880 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3881 if test $have_krb5=yes; then
3883 LIBS="$KRB5LIB $LIBS"
3885 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3886 if test "${with_kerberos5}" = no; then
3887 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3888 if test $have_des425 = yes; then
3890 LIBS="$DESLIB $LIBS"
3892 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3893 if test $have_des = yes; then
3895 LIBS="$DESLIB $LIBS"
3898 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3899 if test $have_krb4 = yes; then
3901 LIBS="$KRB4LIB $LIBS"
3903 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3904 if test $have_krb = yes; then
3906 LIBS="$KRB4LIB $LIBS"
3911 if test "${with_kerberos5}" != no; then
3912 AC_CHECK_HEADERS(krb5.h,
3913 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3914 [#include <krb5.h>])])
3916 AC_CHECK_HEADERS(krb.h,,
3917 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3918 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3920 AC_CHECK_HEADERS(com_err.h)
3924 AC_SUBST(COM_ERRLIB)
3930 AC_CHECK_HEADERS(valgrind/valgrind.h)
3932 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3935 AC_CHECK_FUNC(socket, , ok_so_far=no)
3936 if test $ok_so_far = yes; then
3937 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3939 if test $ok_so_far = yes; then
3940 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3942 if test $ok_so_far = yes; then
3943 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3944 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3945 [Define to 1 if you have inet sockets.])
3950 AC_CHECK_FUNCS(snprintf)
3952 dnl Check for glib. This differs from other library checks in that
3953 dnl Emacs need not link to glib unless some other library is already
3954 dnl linking to glib. Although glib provides no facilities that Emacs
3955 dnl needs for its own purposes, when glib is present Emacs needs to
3956 dnl use primitives like g_main_context_query to avoid clashing with
3957 dnl glib at a low level.
3959 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3963 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3964 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3965 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3966 LIBS="$LIBS $GFILENOTIFY_LIBS"
3967 AC_MSG_CHECKING([whether GLib is linked in])
3968 AC_LINK_IFELSE([AC_LANG_PROGRAM(
3971 [[g_print ("Hello world");]])],
3974 AC_MSG_RESULT([$links_glib])
3975 if test "${links_glib}" = "yes"; then
3976 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
3977 if test "$HAVE_NS" = no;then
3985 dnl Adapted from Haible's version.
3986 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
3987 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
3988 [[char* cs = nl_langinfo(CODESET);]])],
3989 emacs_cv_langinfo_codeset=yes,
3990 emacs_cv_langinfo_codeset=no)
3992 if test $emacs_cv_langinfo_codeset = yes; then
3993 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
3994 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
3999 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4000 dnl how the tty code is related to POSIX and/or other versions of termios.
4001 dnl The following looks like a useful start.
4003 dnl AC_SYS_POSIX_TERMIOS
4004 dnl if test $ac_cv_sys_posix_termios = yes; then
4005 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4006 dnl and macros for terminal control.])
4007 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4010 dnl Turned on June 1996 supposing nobody will mind it.
4011 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4012 if test "${opsys}" != "mingw32"; then
4013 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4014 in the full name stands for the login id.])
4017 dnl Everybody supports this, except MS.
4018 dnl Seems like the kind of thing we should be testing for, though.
4019 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4020 if test "${opsys}" != "mingw32"; then
4021 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4024 dnl Everybody supports this, except MS-DOS.
4025 dnl Seems like the kind of thing we should be testing for, though.
4026 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4027 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4028 4.2-compatible sockets.])
4030 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4032 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4033 a null file, or a data sink.])
4034 if test "${opsys}" = "mingw32"; then
4035 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4037 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4040 if test "${opsys}" = "mingw32"; then
4045 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4046 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4047 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4048 dnl decides that a command-line argument to be passed to a MinGW program
4049 dnl is a PATH-style list of directories. But that heuristics plays it
4050 dnl safe, and only does the replacement when it is _absolutely_ sure it
4051 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4052 dnl which breaks in-tree builds. So we do this manually instead.
4053 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4054 dnl be computed as ':' in MSYS Bash.
4057 dnl Everybody supports this, except MS-DOS.
4058 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4060 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4063 AC_DEFINE(DIRECTORY_SEP, ['/'],
4064 [Character that separates directories in a file name.])
4066 if test "${opsys}" = "mingw32"; then
4067 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4068 [Returns true if character is a device separator.])
4070 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4071 [Returns true if character is a directory separator.])
4073 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4074 [Returns true if character is any form of separator.])
4076 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4077 [Returns true if character is a device separator.])
4079 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4080 [Returns true if character is a directory separator.])
4082 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4083 [Returns true if character is any form of separator.])
4086 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4090 dnl Unfortunately without libXmu we cannot support EditRes.
4091 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4092 AC_DEFINE(NO_EDITRES, 1)
4097 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4098 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4099 AC_DEFINE(NO_EDITRES, 1)
4105 irix6-5 | sol2* | unixware )
4106 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4107 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4108 dnl need the constant to dimension an array. So wire in the appropriate
4110 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4114 emacs_broken_SIGIO=no
4117 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4118 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4119 hpux* | irix6-5 | openbsd | sol2* | unixware )
4120 emacs_broken_SIGIO=yes
4124 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4125 dnl the way this system works, libc functions that return malloced
4126 dnl memory use the libc malloc implementation. Calling xfree or
4127 dnl xrealloc on the results of such functions results in a crash.
4129 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4130 dnl but that does not currently work on this system.
4132 dnl It is possible to completely override the malloc implementation on
4133 dnl AIX, but that involves putting the malloc functions in a shared
4134 dnl library and setting the MALLOCTYPE environment variable to point to
4135 dnl that shared library.
4137 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4138 dnl to avoid a crash just use the Emacs implementation for that function.
4140 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4141 dnl of this file, so that we do not check for get_current_dir_name
4142 dnl on AIX. But that might be fragile if something else ends
4143 dnl up testing for get_current_dir_name as a dependency.
4144 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4145 get_current_dir_name should not be used.])
4149 dnl Circumvent a bug in FreeBSD. In the following sequence of
4150 dnl writes/reads on a PTY, read(2) returns bogus data:
4152 dnl write(2) 1022 bytes
4153 dnl write(2) 954 bytes, get EAGAIN
4154 dnl read(2) 1024 bytes in process_read_output
4155 dnl read(2) 11 bytes in process_read_output
4157 dnl That is, read(2) returns more bytes than have ever been written
4158 dnl successfully. The 1033 bytes read are the 1022 bytes written
4159 dnl successfully after processing (for example with CRs added if the
4160 dnl terminal is set up that way which it is here). The same bytes will
4161 dnl be seen again in a later read(2), without the CRs.
4162 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4163 work around an issue when reading from a PTY.])
4169 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4170 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4175 darwin | dragonfly | freebsd | netbsd | openbsd )
4176 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4177 close a pty to make it a controlling terminal (it is already a
4178 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4182 dnl FIXME Surely we can test for this rather than hard-code it.
4184 netbsd | openbsd) sound_device="/dev/audio" ;;
4185 *) sound_device="/dev/dsp" ;;
4189 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4190 [Name of the default sound device.])
4193 dnl Emacs can read input using SIGIO and buffering characters itself,
4194 dnl or using CBREAK mode and making C-g cause SIGINT.
4195 dnl The choice is controlled by the variable interrupt_input.
4197 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4199 dnl Emacs uses the presence of the USABLE_SIGIO macro
4200 dnl to indicate whether or not signal-driven I/O is possible. It uses
4201 dnl INTERRUPT_INPUT to decide whether to use it by default.
4203 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4204 dnl CBREAK mode has two disadvantages
4205 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4206 dnl I hear that in system V this problem does not exist.
4207 dnl 2) Control-G causes output to be discarded.
4208 dnl I do not know whether this can be fixed in system V.
4210 dnl Another method of doing input is planned but not implemented.
4211 dnl It would have Emacs fork off a separate process
4212 dnl to read the input and send it to the true Emacs process
4215 darwin | gnu-linux | gnu-kfreebsd )
4216 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4221 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4222 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4223 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4224 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4225 dnl taking float or double parameters.
4227 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4228 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4229 file defines `NeedWidePrototypes' as `NO'.])
4234 dnl Used in process.c, this must be a loop, even if it only runs once.
4235 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4236 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4237 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4238 dnl trying suffixes 0-16.
4239 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4240 first PTY, if PTYs are supported.])
4241 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4242 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4243 end of a PTY, if non-standard.])
4244 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4245 end of a PTY, if non-standard.])
4249 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4250 dnl You allocate a pty by opening /dev/ptc to get the master side.
4251 dnl To get the name of the slave side, you just ttyname() the master side.
4252 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4253 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4257 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4258 dnl multi-line AC_DEFINEs are hard. :(
4259 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)])
4260 AC_DEFINE(PTY_NAME_SPRINTF, [])
4261 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4264 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4266 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4267 dnl Not used, because PTY_ITERATION is defined.
4268 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4269 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4270 dnl But we don't have to block SIGCHLD because it is blocked in the
4271 dnl implementation of grantpt.
4272 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4273 AC_DEFINE(PTY_NAME_SPRINTF, [])
4274 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4278 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4281 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4283 if test "x$ac_cv_func_grantpt" = xyes; then
4284 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4285 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4286 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4287 dnl to prevent sigchld_handler from intercepting the child's death.
4288 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); }])
4289 dnl if HAVE_POSIX_OPENPT
4290 if test "x$ac_cv_func_posix_openpt" = xyes; then
4291 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4292 AC_DEFINE(PTY_NAME_SPRINTF, [])
4294 elif test "x$ac_cv_func_getpt" = xyes; then
4295 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4296 AC_DEFINE(PTY_NAME_SPRINTF, [])
4298 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4301 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4306 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4307 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4308 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4312 dnl It looks like this cannot be right, because it is not a loop.
4313 dnl However, process.c actually does this:
4319 dnl which presumably makes it OK, since irix == sgi (?).
4320 dnl FIXME it seems like this special treatment is unnecessary?
4321 dnl Why can't irix use a single-trip loop like eg cygwin?
4322 AC_DEFINE(PTY_ITERATION, [])
4323 dnl Not used, because PTY_ITERATION is defined.
4324 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4325 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); }])
4326 dnl No need to get the pty name at all.
4327 AC_DEFINE(PTY_NAME_SPRINTF, [])
4328 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4329 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4333 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4334 dnl from intercepting that death. If any child but grantpt's should die
4335 dnl within, it should be caught after sigrelse(2).
4336 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); }])
4340 dnl Comments are as per sol2*.
4341 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); }])
4348 dnl This change means that we don't loop through allocate_pty too
4349 dnl many times in the (rare) event of a failure.
4350 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4351 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4352 dnl Push various streams modules onto a PTY channel. Used in process.c.
4353 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.])
4358 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4359 "typing" a signal character on the pty.])
4362 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4363 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4364 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4365 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4368 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4369 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4370 gnu-linux | gnu-kfreebsd )
4372 AC_MSG_CHECKING([for signals via characters])
4373 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4374 #include <linux/version.h>
4375 #if LINUX_VERSION_CODE < 0x20400
4376 # error "Linux version too old"
4378 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4380 AC_MSG_RESULT([$emacs_signals_via_chars])
4381 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4386 AH_TEMPLATE(TAB3, [Undocumented.])
4389 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4391 gnu | dragonfly | freebsd | netbsd | openbsd )
4392 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4393 AC_DEFINE(TAB3, OXTABS)
4396 gnu-linux | gnu-kfreebsd )
4397 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4401 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4402 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4403 [Mark a secondary stack, like the register stack on the ia64.]), [])
4407 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4408 run_time_remap; for HPUX.])
4413 dnl This won't be used automatically yet. We also need to know, at least,
4414 dnl that the stack is continuous.
4415 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4416 registers relevant for conservative garbage collection in the jmp_buf.])
4420 dnl Not all the architectures are tested, but there are Debian packages
4421 dnl for SCM and/or Guile on them, so the technique must work. See also
4422 dnl comments in alloc.c concerning setjmp and gcc.
4423 dnl Fixme: it's probably safe to just use the GCC conditional below.
4424 gnu-linux | gnu-kfreebsd )
4425 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4426 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4427 || defined __alpha__ || defined __mips__ || defined __s390__ \
4428 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4429 || defined __ia64__ || defined __sh__
4432 # error "setjmp not known to work on this arch"
4434 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4439 if test x$GCC = xyes; then
4440 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4441 AC_DEFINE(GC_SETJMP_WORKS, 1)
4444 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4445 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4446 AC_DEFINE(GC_SETJMP_WORKS, 1)
4451 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4452 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4455 [[#include <setjmp.h>
4457 # define _longjmp longjmp
4462 _longjmp (j, 1);]])],
4463 [emacs_cv_func__setjmp=yes],
4464 [emacs_cv_func__setjmp=no])])
4465 if test $emacs_cv_func__setjmp = yes; then
4466 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4469 # We need to preserve signal mask to handle C stack overflows.
4470 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4473 [[#include <setjmp.h>
4476 if (! sigsetjmp (j, 1))
4477 siglongjmp (j, 1);]])],
4478 [emacs_cv_func_sigsetjmp=yes],
4479 [emacs_cv_func_sigsetjmp=no])])
4480 if test $emacs_cv_func_sigsetjmp = yes; then
4481 AC_DEFINE([HAVE_SIGSETJMP], 1,
4482 [Define to 1 if sigsetjmp and siglongjmp work.])
4485 # We need all of these features to handle C stack overflows.
4486 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4487 "$ac_cv_func_getrlimit" = "yes" -a \
4488 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4489 "$emacs_cv_alternate_stack" = yes; then
4490 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4491 [Define to 1 if C stack overflow can be handled in some cases.])
4496 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4497 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4498 dnl and this is all we need.
4499 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4506 dnl Used in xfaces.c.
4507 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4508 some systems, where it requires time.h.])
4513 dnl Define symbols to identify the version of Unix this is.
4514 dnl Define all the symbols that apply correctly.
4515 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4516 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4517 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4518 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4523 dnl This symbol should be defined on AIX Version 3 ???????
4524 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4526 # error "_AIX not defined"
4528 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4532 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4536 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4537 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4538 dnl distinguish OS X from pure Darwin.
4539 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4542 gnu-linux | gnu-kfreebsd )
4544 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4549 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4554 AC_DEFINE(USG5_4, [])
4555 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4559 AC_DEFINE(DOS_NT, [])
4560 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4561 if test "x$ac_enable_checking" != "x" ; then
4562 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4568 AC_DEFINE(USG5_4, [])
4569 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4574 AC_DEFINE(USG5_4, [])
4578 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4581 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4582 emacs_cv_usable_FIONREAD=no
4586 emacs_cv_usable_FIONREAD=yes
4591 [AC_LANG_PROGRAM([[#include <sys/types.h>
4592 #include <sys/ioctl.h>
4594 # include <sys/filio.h>
4597 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4598 [emacs_cv_usable_FIONREAD=yes],
4599 [emacs_cv_usable_FIONREAD=no])
4602 if test $emacs_cv_usable_FIONREAD = yes; then
4603 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4605 if test $emacs_broken_SIGIO = no; then
4606 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4608 [AC_LANG_PROGRAM([[#include <fcntl.h>
4611 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4612 [emacs_cv_usable_SIGIO=yes],
4613 [emacs_cv_usable_SIGIO=no])],
4614 [emacs_cv_usable_SIGIO=yes],
4615 [emacs_cv_usable_SIGIO=no])
4616 if test $emacs_cv_usable_SIGIO = yes; then
4617 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4624 dnl It works to open the pty's tty in the parent (Emacs), then
4625 dnl close and reopen it in the child.
4626 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4627 works to open a pty's tty in the parent process, then close and
4628 reopen it in the child.])
4632 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4633 use VSUSP instead of VSWTCH.])
4637 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4642 # Set up the CFLAGS for real compilation, so we can substitute it.
4643 CFLAGS="$REAL_CFLAGS"
4644 CPPFLAGS="$REAL_CPPFLAGS"
4647 ## Hack to detect a buggy GCC version.
4648 if test "x$GCC" = xyes \
4649 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4650 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4651 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4652 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4655 version=$PACKAGE_VERSION
4657 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4658 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4659 [Short copyright string for this version of Emacs.])
4662 ### Specify what sort of things we'll be editing into Makefile and config.h.
4663 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4665 AC_SUBST(configuration)
4670 AC_SUBST(exec_prefix)
4673 AC_SUBST(sharedstatedir)
4674 AC_SUBST(libexecdir)
4678 AC_SUBST(standardlisppath)
4679 AC_SUBST(locallisppath)
4681 AC_SUBST(x_default_search_path)
4683 AC_SUBST(archlibdir)
4688 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4689 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4690 ## end of LIBX_BASE, but nothing ever set it.
4691 AC_SUBST(LD_SWITCH_X_SITE)
4692 AC_SUBST(C_SWITCH_X_SITE)
4693 AC_SUBST(GNUSTEP_CFLAGS)
4695 ## Used in lwlib/Makefile.in.
4696 AC_SUBST(X_TOOLKIT_TYPE)
4698 AC_SUBST(ns_appbindir)
4699 AC_SUBST(ns_appresdir)
4701 AC_SUBST(GNU_OBJC_CFLAGS)
4702 AC_SUBST(OTHER_FILES)
4704 if test -n "${term_header}"; then
4705 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4706 [Define to the header for the built-in window system.])
4709 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4710 [Define to the canonical Emacs configuration name.])
4711 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4712 [Define to the options passed to configure.])
4713 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4714 define this to include extra configuration information.])
4718 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4725 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4726 AC_DEFINE(HAVE_X_WINDOWS, 1,
4727 [Define to 1 if you want to use the X window system.])
4729 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4731 if test "$HAVE_XFT" = "yes"; then
4732 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4733 elif test "$HAVE_FREETYPE" = "yes"; then
4734 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4744 if test "${USE_X_TOOLKIT}" != "none" ; then
4746 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4747 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4748 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4749 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4750 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4754 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4755 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4759 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4760 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4761 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4765 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4766 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4769 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4772 AC_SUBST(WIDGET_OBJ)
4775 case "$USE_X_TOOLKIT" in
4776 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4777 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4778 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS" ;;
4780 AC_SUBST(TOOLKIT_LIBW)
4782 if test "${opsys}" != "mingw32"; then
4783 if test "$USE_X_TOOLKIT" = "none"; then
4784 LIBXT_OTHER="\$(LIBXSM)"
4786 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4789 AC_SUBST(LIBXT_OTHER)
4791 if test "${HAVE_X11}" = "yes" ; then
4792 AC_DEFINE(HAVE_X11, 1,
4793 [Define to 1 if you want to use version 11 of X windows.])
4794 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4798 AC_SUBST(LIBX_OTHER)
4800 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4802 elif test "$USE_X_TOOLKIT" = none; then
4803 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4805 LIBXMENU='$(lwlibdir)/liblw.a'
4809 AC_CACHE_CHECK([for struct alignment],
4810 [emacs_cv_struct_alignment],
4812 [AC_LANG_PROGRAM([[#include <stddef.h>
4813 struct __attribute__ ((aligned (8))) s { char c; };
4814 struct t { char c; struct s s; };
4815 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4817 [emacs_cv_struct_alignment=yes],
4818 [emacs_cv_struct_alignment=no])])
4819 if test "$emacs_cv_struct_alignment" = yes; then
4820 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4821 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4822 structure to an N-byte boundary.])
4825 if test "${GNU_MALLOC}" = "yes" ; then
4826 AC_DEFINE(GNU_MALLOC, 1,
4827 [Define to 1 if you want to use the GNU memory allocator.])
4831 if test "${REL_ALLOC}" = "yes" ; then
4832 AC_DEFINE(REL_ALLOC, 1,
4833 [Define REL_ALLOC if you want to use the relocating allocator for
4836 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4838 AC_SUBST(RALLOC_OBJ)
4840 if test "$opsys" = "cygwin"; then
4841 CYGWIN_OBJ="sheap.o cygw32.o"
4842 ## Cygwin differs because of its unexec().
4844 POST_ALLOC_OBJ=lastfile.o
4845 elif test "$opsys" = "mingw32"; then
4848 POST_ALLOC_OBJ=lastfile.o
4851 PRE_ALLOC_OBJ=lastfile.o
4854 AC_SUBST(CYGWIN_OBJ)
4855 AC_SUBST(PRE_ALLOC_OBJ)
4856 AC_SUBST(POST_ALLOC_OBJ)
4858 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4859 dnl verbatim defined above. The tricky name is apropos, as this hack
4860 dnl makes Fortify go sour!
4861 AH_VERBATIM([FORTIFY_SOUR],
4862 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4863 The workaround disables some useful run-time checking, so it
4864 should be conditional to the platforms with the performance bug.
4865 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4866 #if defined __APPLE__ && defined __GNUC__
4867 # ifndef _DONT_USE_CTYPE_INLINE_
4868 # define _DONT_USE_CTYPE_INLINE_
4870 # ifndef _FORTIFY_SOURCE
4871 # define _FORTIFY_SOURCE 0
4876 # If user asks to omit features, disable optional features that gnulib
4877 # might otherwise enable.
4878 if test "$with_features" = no && test "$enable_acl" != yes; then
4882 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4883 # it temporarily reverts them to their pre-pkg-config values,
4884 # because gnulib needs to work with both src (which uses the
4885 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4886 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4887 # and it therefore needs to run in an environment where LIBS does not
4888 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4889 # for some package unrelated to lib-src.
4892 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4893 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4894 gl_ASSERT_NO_GNULIB_POSIXCHECK
4895 gl_ASSERT_NO_GNULIB_TESTS
4900 if test "${opsys}" = "mingw32"; then
4901 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4902 # Remove unneeded switches from the value of CC that goes to Makefiles
4903 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4907 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4909 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4912 ## The -headerpad option tells ld (see man page) to leave room at the
4913 ## end of the header for adding load commands. Needed for dumping.
4914 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4915 ## architecture (where they are 78 bytes each). The actual number of
4916 ## load commands added is not consistent but normally ranges from
4917 ## about 14 to about 34. Setting it high gets us plenty of slop and
4918 ## only costs about 1.5K of wasted binary space.
4919 headerpad_extra=1000
4920 if test "$HAVE_NS" = "yes"; then
4921 libs_nsgui="-framework AppKit"
4922 if test "$NS_IMPL_COCOA" = "yes"; then
4923 libs_nsgui="$libs_nsgui -framework IOKit"
4928 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4930 ## This is here because src/Makefile.in did some extra fiddling around
4931 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4932 ## LD_SWITCH_SYSTEM_TEMACS instead,
4933 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4934 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4937 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4938 ## find X at run-time.
4939 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4940 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4941 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4942 ## had different values in configure (in ac_link) and src/Makefile.in.
4943 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4944 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4947 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4948 case "$canonical" in
4949 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4950 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4954 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4956 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4959 if test x$ac_enable_profiling != x ; then
4961 *freebsd | gnu-linux) ;;
4962 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4966 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
4968 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
4970 ## Common for all window systems
4971 if test "$window_system" != "none"; then
4972 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
4973 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
4974 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
4977 AC_SUBST(WINDOW_SYSTEM_OBJ)
4979 AH_TOP([/* GNU Emacs site configuration template file.
4981 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
4982 Free Software Foundation, Inc.
4984 This file is part of GNU Emacs.
4986 GNU Emacs is free software: you can redistribute it and/or modify
4987 it under the terms of the GNU General Public License as published by
4988 the Free Software Foundation, either version 3 of the License, or
4989 (at your option) any later version.
4991 GNU Emacs is distributed in the hope that it will be useful,
4992 but WITHOUT ANY WARRANTY; without even the implied warranty of
4993 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4994 GNU General Public License for more details.
4996 You should have received a copy of the GNU General Public License
4997 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5000 /* No code in Emacs #includes config.h twice, but some bits of code
5001 intended to work with other packages as well (like gmalloc.c)
5002 think they can include it as many times as they like. */
5003 #ifndef EMACS_CONFIG_H
5004 #define EMACS_CONFIG_H
5007 AH_BOTTOM([#include <conf_post.h>
5009 #endif /* EMACS_CONFIG_H */
5018 #### Report on what we decided to do.
5019 #### Report GTK as a toolkit, even if it doesn't use Xt.
5020 #### It makes printing result more understandable as using GTK sets
5021 #### toolkit_scroll_bars to yes by default.
5022 if test "${HAVE_GTK}" = "yes"; then
5023 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5026 if test $USE_ACL -ne 0; then
5027 ACL_SUMMARY="yes $LIB_ACL"
5033 Configured for \`${canonical}'.
5035 Where should the build process find the source code? ${srcdir}
5036 What compiler should emacs be built with? ${CC} ${CFLAGS}
5037 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5038 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5039 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5040 What window system should Emacs use? ${window_system}
5041 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5043 if test -n "${x_includes}"; then
5044 echo " Where do we find X Windows header files? ${x_includes}"
5046 echo " Where do we find X Windows header files? Standard dirs"
5048 if test -n "${x_libraries}"; then
5049 echo " Where do we find X Windows libraries? ${x_libraries}"
5051 echo " Where do we find X Windows libraries? Standard dirs"
5055 emacs_config_features=
5056 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5057 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5061 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5062 *) eval val=\${HAVE_$opt} ;;
5064 test x"$val" = xno && continue
5065 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5068 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5069 [Summary of some of the main features enabled by configure.])
5071 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5072 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5073 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5074 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5075 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5076 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5077 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5078 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5080 echo " Does Emacs support sound? ${HAVE_SOUND}"
5082 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5083 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5084 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5085 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5086 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5087 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5088 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5089 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5090 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5092 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5093 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5094 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5095 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5096 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5098 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5101 if test -n "${EMACSDATA}"; then
5102 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5104 if test -n "${EMACSDOC}"; then
5105 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5110 if test "$HAVE_NS" = "yes"; then
5112 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5113 The installed application will go to nextstep/Emacs.app and can be
5114 run or moved from there."
5115 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5116 echo "The application will be fully self-contained."
5118 echo "The lisp resources for the application will be installed under ${prefix}.
5119 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5120 to run if these resources are not installed."
5125 if test "${opsys}" = "cygwin"; then
5127 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5133 # Remove any trailing slashes in these variables.
5134 [test "${prefix}" != NONE &&
5135 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5136 test "${exec_prefix}" != NONE &&
5137 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5139 if test "$HAVE_NS" = "yes"; then
5140 if test "$NS_IMPL_GNUSTEP" = yes; then
5141 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5142 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5143 ns_check_file=Resources/Info-gnustep.plist
5145 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5146 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5147 ns_check_file=Contents/Info.plist
5149 AC_SUBST(ns_check_file)
5152 dnl config.status treats $srcdir specially, so I think this is ok...
5153 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5155 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5156 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5157 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5158 dnl (else you get "no `Makefile.am' found for any configure output").
5159 dnl This will work, but you get a config.status that is not quite right
5160 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5161 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5162 dnl it seems better to just live with the duplication.
5163 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5165 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5166 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5167 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5168 leim/Makefile nextstep/Makefile nt/Makefile])
5170 dnl test/ is not present in release tarfiles.
5171 opt_makefile=test/automated/Makefile
5173 if test -f "$srcdir/$opt_makefile.in"; then
5174 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5175 dnl Again, it's best not to use a variable. Though you can add
5176 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5177 AC_CONFIG_FILES([test/automated/Makefile])
5181 dnl The admin/ directory used to be excluded from tarfiles.
5182 if test -d $srcdir/admin; then
5183 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5184 AC_CONFIG_FILES([admin/unidata/Makefile])
5185 AC_CONFIG_FILES([admin/grammars/Makefile])
5189 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5191 AC_SUBST(SUBDIR_MAKEFILES_IN)
5193 dnl You might wonder (I did) why epaths.h is generated by running make,
5194 dnl rather than just letting configure generate it from epaths.in.
5195 dnl One reason is that the various paths are not fully expanded (see above);
5196 dnl eg gamedir=${prefix}/var/games/emacs.
5197 dnl Secondly, the GNU Coding standards require that one should be able
5198 dnl to run `make prefix=/some/where/else' and override the values set
5199 dnl by configure. This also explains the `move-if-change' test and
5200 dnl the use of force in the `epaths-force' rule in Makefile.in.
5201 AC_CONFIG_COMMANDS([src/epaths.h], [
5202 if test "${opsys}" = "mingw32"; then
5203 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5205 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5206 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5207 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5209 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5210 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5212 AC_CONFIG_COMMANDS([src/.gdbinit], [
5213 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5214 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5218 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5219 dnl See comments for etc-refcards-emacsver.tex.
5220 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5221 dnl it is not quite the same. But we are generating in $srcdir.
5222 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5223 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5224 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5227 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5228 dnl then a directory etc/refcards is created in the build directory,
5229 dnl which is probably harmless, but confusing (in out-of-tree builds).
5230 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5231 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5232 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5233 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5234 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5239 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])