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 OPTION_DEFAULT_OFF([xwidgets],[enable use of some gtk widgets it Emacs buffers])
379 ## For the times when you want to build Emacs but don't have
380 ## a suitable makeinfo, and can live without the manuals.
381 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
382 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
384 ## This might be a 'configure' arg.
385 AC_SUBST([ACLOCAL_PATH])
387 ## Makefile.in needs the cache file name.
390 ## This is an option because I do not know if all info/man support
391 ## compressed files, nor how to test if they do so.
392 OPTION_DEFAULT_ON([compress-install],
393 [don't compress some files (.el, .info, etc.) when installing. Equivalent to:
394 make GZIP_PROG= install])
396 AC_ARG_WITH(gameuser,dnl
397 [AS_HELP_STRING([--with-gameuser=USER],[user for shared game score files])])
398 test "X${with_gameuser}" != X && test "${with_gameuser}" != yes \
399 && gameuser="${with_gameuser}"
400 test "X$gameuser" = X && gameuser=games
402 AC_ARG_WITH([gnustep-conf],dnl
403 [AS_HELP_STRING([--with-gnustep-conf=FILENAME],
404 [name of GNUstep.conf; default $GNUSTEP_CONFIG_FILE, or /etc/GNUstep/GNUstep.conf])])
405 test "X${with_gnustep_conf}" != X && test "${with_gnustep_conf}" != yes && \
406 GNUSTEP_CONFIG_FILE="${with_gnustep_conf}"
407 test "X$GNUSTEP_CONFIG_FILE" = "X" && \
408 GNUSTEP_CONFIG_FILE=/etc/GNUstep/GNUstep.conf
410 AC_ARG_ENABLE(ns-self-contained,
411 [AS_HELP_STRING([--disable-ns-self-contained],
412 [disable self contained build under NeXTstep])],
413 EN_NS_SELF_CONTAINED=$enableval,
414 EN_NS_SELF_CONTAINED=yes)
416 AC_ARG_ENABLE(locallisppath,
417 [AS_HELP_STRING([--enable-locallisppath=PATH],
418 [directories Emacs should search for lisp files specific
420 if test "${enableval}" = "no"; then
422 elif test "${enableval}" != "yes"; then
423 locallisppath=${enableval}
426 AC_ARG_ENABLE(checking,
427 [AS_HELP_STRING([--enable-checking@<:@=LIST@:>@],
428 [enable expensive run-time checks. With LIST,
429 enable only specific categories of checks.
430 Categories are: all,yes,no.
431 Flags are: stringbytes, stringoverrun, stringfreelist,
432 xmallocoverrun, conslist, glyphs])],
433 [ac_checking_flags="${enableval}"],[])
434 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
435 for check in $ac_checking_flags
438 # these set all the flags to specific states
439 yes) ac_enable_checking=1 ;;
440 no) ac_enable_checking= ;
441 ac_gc_check_stringbytes= ;
442 ac_gc_check_string_overrun= ;
443 ac_gc_check_string_free_list= ;
444 ac_xmalloc_overrun= ;
445 ac_gc_check_cons_list= ;
447 all) ac_enable_checking=1 ;
448 ac_gc_check_stringbytes=1 ;
449 ac_gc_check_string_overrun=1 ;
450 ac_gc_check_string_free_list=1 ;
451 ac_xmalloc_overrun=1 ;
452 ac_gc_check_cons_list=1 ;
454 # these enable particular checks
455 stringbytes) ac_gc_check_stringbytes=1 ;;
456 stringoverrun) ac_gc_check_string_overrun=1 ;;
457 stringfreelist) ac_gc_check_string_free_list=1 ;;
458 xmallocoverrun) ac_xmalloc_overrun=1 ;;
459 conslist) ac_gc_check_cons_list=1 ;;
460 glyphs) ac_glyphs_debug=1 ;;
461 *) AC_MSG_ERROR(unknown check category $check) ;;
466 if test x$ac_enable_checking != x ; then
467 AC_DEFINE(ENABLE_CHECKING, 1,
468 [Define to 1 if expensive run-time data type and consistency checks are enabled.])
470 if test x$ac_gc_check_stringbytes != x ; then
471 AC_DEFINE(GC_CHECK_STRING_BYTES, 1,
472 [Define this temporarily to hunt a bug. If defined, the size of
473 strings is redundantly recorded in sdata structures so that it can
474 be compared to the sizes recorded in Lisp strings.])
476 if test x$ac_gc_check_string_overrun != x ; then
477 AC_DEFINE(GC_CHECK_STRING_OVERRUN, 1,
478 [Define this to check for short string overrun.])
480 if test x$ac_gc_check_string_free_list != x ; then
481 AC_DEFINE(GC_CHECK_STRING_FREE_LIST, 1,
482 [Define this to check the string free list.])
484 if test x$ac_xmalloc_overrun != x ; then
485 AC_DEFINE(XMALLOC_OVERRUN_CHECK, 1,
486 [Define this to check for malloc buffer overrun.])
488 if test x$ac_gc_check_cons_list != x ; then
489 AC_DEFINE(GC_CHECK_CONS_LIST, 1,
490 [Define this to check for errors in cons list.])
492 if test x$ac_glyphs_debug != x ; then
493 AC_DEFINE(GLYPH_DEBUG, 1,
494 [Define this to enable glyphs debugging code.])
497 AC_ARG_ENABLE(check-lisp-object-type,
498 [AS_HELP_STRING([--enable-check-lisp-object-type],
499 [enable compile time checks for the Lisp_Object data type.
500 This is useful for development for catching certain types of bugs.])],
501 if test "${enableval}" != "no"; then
502 AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
503 [Define this to enable compile time checks for the Lisp_Object data type.])
507 dnl The name of this option is unfortunate. It predates, and has no
508 dnl relation to, the "sampling-based elisp profiler" added in 24.3.
509 dnl Actually, it stops it working.
510 dnl http://lists.gnu.org/archive/html/emacs-devel/2012-11/msg00393.html
511 AC_ARG_ENABLE(profiling,
512 [AS_HELP_STRING([--enable-profiling],
513 [build emacs with low-level, gprof profiling support.
514 Mainly useful for debugging Emacs itself. May not work on
515 all platforms. Stops profiler.el working.])],
516 [ac_enable_profiling="${enableval}"],[])
517 if test x$ac_enable_profiling != x ; then
518 PROFILING_CFLAGS="-DPROFILING=1 -pg"
522 AC_SUBST(PROFILING_CFLAGS)
524 AC_ARG_ENABLE(autodepend,
525 [AS_HELP_STRING([--enable-autodepend],
526 [automatically generate dependencies to .h-files.
527 Requires gcc, enabled if found.])],
528 [ac_enable_autodepend="${enableval}"],[ac_enable_autodepend=yes])
530 AC_ARG_ENABLE(gtk-deprecation-warnings,
531 [AS_HELP_STRING([--enable-gtk-deprecation-warnings],
532 [Show Gtk+/Gdk deprecation warnings for Gtk+ >= 3.0])],
533 [ac_enable_gtk_deprecation_warnings="${enableval}"],[])
535 dnl This used to use changequote, but, apart from `changequote is evil'
536 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
537 dnl the great gob of text. Thus it's not processed for possible expansion.
538 dnl Just make sure the brackets remain balanced.
540 dnl Since Emacs can't find matching pairs of quotes, boundaries are
541 dnl indicated by comments.
545 ### If you add support for a new configuration, add code to this
546 ### switch statement to recognize your configuration name and select
547 ### the appropriate opsys.
549 ### As far as handling version numbers on operating systems is
550 ### concerned, make sure things will fail in a fixable way. If
551 ### /etc/MACHINES doesn't say anything about version numbers, be
552 ### prepared to handle anything reasonably. If version numbers
553 ### matter, be sure /etc/MACHINES says something about it.
556 case "${canonical}" in
558 ## GNU/Linux and similar ports
573 ## FreeBSD kernel + glibc based userland
584 *-*-openbsd* | *-*-mirbsd* )
588 ## Apple Darwin / Mac OS X
590 case "${canonical}" in
591 *-apple-darwin[0-9].*) unported=yes ;;
592 i[3456]86-* | x86_64-* ) ;;
596 ## Use fink packages if available.
597 ## FIXME find a better way to do this: http://debbugs.gnu.org/11507
598 ## if test -d /sw/include && test -d /sw/lib; then
599 ## GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
600 ## NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
609 ## HP 9000 series 700 and 800, running HP/UX
613 hppa*-hp-hpux1[1-9]* )
615 CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
619 rs6000-ibm-aix4.[23]* )
622 powerpc-ibm-aix4.[23]* )
625 rs6000-ibm-aix[56]* )
628 powerpc-ibm-aix[5-9]* | powerpc-ibm-aix[1-9][0-9]* )
632 ## Silicon Graphics machines
636 # Without defining _LANGUAGE_C, things get masked out in the headers
637 # so that, for instance, grepping for `free' in stdlib.h fails and
638 # AC_HEADER_STD_C fails. (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
639 NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
644 | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* \
645 | x86_64-*-solaris2* | x86_64-*-sunos5*)
646 case "${canonical}" in
648 amd64-*-*|x86_64-*-*) ;;
652 case "${canonical}" in
653 *-sunos5.[1-9][0-9]* | *-solaris2.[1-9][0-9]* )
655 emacs_check_sunpro_c=yes
657 *-sunos5.[1-5]* | *-solaris2.[1-5]* ) unported=yes ;;
658 ## Note that Emacs 23.1's NEWS said the following would be dropped.
659 *-sunos5.6* | *-solaris2.6* )
663 ## 5.7 EOL Aug 2008, 5.8 EOL Mar 2012.
664 *-sunos5.[7-9]* | *-solaris2.[7-9]* )
666 emacs_check_sunpro_c=yes
669 ## Watch out for a compiler that we know will not work.
670 case "${canonical}" in
671 *-solaris* | *-sunos5* )
672 if [ "x$CC" = x/usr/ucb/cc ]; then
673 ## /usr/ucb/cc doesn't work;
674 ## we should find some other compiler that does work.
682 ## Intel 386 machines where we don't care about the manufacturer.
684 case "${canonical}" in
685 *-darwin* ) opsys=darwin ;;
688 # MinGW overrides and adds some system headers in nt/inc.
689 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
691 *-sysv4.2uw* ) opsys=unixware ;;
692 *-sysv5uw* ) opsys=unixware ;;
693 *-sysv5OpenUNIX* ) opsys=unixware ;;
694 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
700 case "${canonical}" in
703 # MinGW overrides and adds some system headers in nt/inc.
704 GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
706 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
715 ### If the code above didn't choose an operating system, just choose
716 ### an operating system based on the configuration name. You really
717 ### only want to use this when you have no idea what the right
718 ### operating system is; if you know what operating systems a machine
719 ### runs, it's cleaner to make it explicit in the case statement
721 if test x"${opsys}" = x; then
722 case "${canonical}" in
723 *-gnu* ) opsys=gnu ;;
733 if test $unported = yes; then
734 AC_MSG_ERROR([Emacs does not support `${canonical}' systems.
735 If you think it should, please send a report to ${PACKAGE_BUGREPORT}.
736 Check `etc/MACHINES' for recognized configuration names.])
739 #### Choose a compiler.
741 dnl Don't bother to test for C89.
742 AC_DEFUN([_AC_PROG_CC_C89], [$2])
744 dnl Sets GCC=yes if using gcc.
745 AC_PROG_CC([gcc cc cl clang "$XCRUN gcc" "$XCRUN clang"])
746 if test -n "$XCRUN"; then
747 AC_CHECK_PROGS(AR, [ar "$XCRUN ar"])
748 test -n "$AR" && export AR
751 dnl Emacs needs C99 or later.
756 if test x$GCC = xyes; then
757 test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
759 test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
762 dnl This is used in lib/Makefile.am to use nt/gnulib.mk, the
763 dnl alternative to lib/gnulib.mk, so as to avoid generating header files
764 dnl that clash with MinGW.
765 AM_CONDITIONAL([BUILDING_FOR_WINDOWSNT], [test "x$opsys" = "xmingw32"])
767 # Avoid gnulib's tests for -lcrypto, so that there's no static dependency on it.
768 AC_DEFUN([gl_CRYPTO_CHECK])
769 # Avoid gnulib's tests for HAVE_WORKING_O_NOATIME and HAVE_WORKING_O_NOFOLLOW,
770 # as we don't use them.
771 AC_DEFUN([gl_FCNTL_O_FLAGS])
773 # Initialize gnulib right after choosing the compiler.
774 dnl Amongst other things, this sets AR and ARFLAGS.
777 if test "$ac_test_CFLAGS" != set; then
778 # It's helpful to have C macros available to GDB, so prefer -g3 to -g
779 # if -g3 works and the user does not specify CFLAGS.
780 # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
783 emacs_g3_CFLAGS='-g3';;
785 emacs_g3_CFLAGS='-g3 -O2';;
789 if test -n "$emacs_g3_CFLAGS"; then
790 emacs_save_CFLAGS=$CFLAGS
791 CFLAGS=$emacs_g3_CFLAGS
792 AC_CACHE_CHECK([whether $CC accepts $emacs_g3_CFLAGS],
793 [emacs_cv_prog_cc_g3],
794 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
795 [emacs_cv_prog_cc_g3=yes],
796 [emacs_cv_prog_cc_g3=no])])
797 if test $emacs_cv_prog_cc_g3 != yes; then
798 CFLAGS=$emacs_save_CFLAGS
800 if test $opsys = mingw32; then
801 CFLAGS="$CFLAGS -gdwarf-2"
808 # No optimization flag was inferred for this non-GCC compiler.
809 # Try -O. This is needed for xlc on AIX; see Bug#14258.
810 emacs_save_CFLAGS=$CFLAGS
811 test -z "$CFLAGS" || CFLAGS="$CFLAGS "
813 AC_CACHE_CHECK([whether $CC accepts -O],
814 [emacs_cv_prog_cc_o],
815 [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
816 [emacs_cv_prog_cc_o=yes],
817 [emacs_cv_prog_cc_o=no])])
818 if test $emacs_cv_prog_cc_o != yes; then
819 CFLAGS=$emacs_save_CFLAGS
824 AC_ARG_ENABLE([gcc-warnings],
825 [AS_HELP_STRING([--enable-gcc-warnings],
826 [turn on lots of GCC warnings/errors. This is intended for
827 developers, and may generate false alarms when used
828 with older or non-GNU development tools.])],
831 *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
833 gl_gcc_warnings=$enableval],
837 # clang is unduly picky about some things.
838 AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
845 [emacs_cv_clang=yes],
846 [emacs_cv_clang=no])])
848 # When compiling with GCC, prefer -isystem to -I when including system
849 # include files, to avoid generating useless diagnostics for the files.
850 if test "$gl_gcc_warnings" != yes; then
852 if test "$emacs_cv_clang" = yes
854 # Turn off some warnings if supported.
855 gl_WARN_ADD([-Wno-switch])
856 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
857 gl_WARN_ADD([-Wno-pointer-sign])
858 gl_WARN_ADD([-Wno-string-plus-int])
863 # This, $nw, is the list of warnings we disable.
866 case $with_x_toolkit in
867 lucid | athena | motif)
868 # Old toolkits mishandle 'const'.
869 nw="$nw -Wwrite-strings"
872 gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
875 AC_SUBST([WERROR_CFLAGS])
877 nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
878 nw="$nw -Woverlength-strings" # Not a problem these days
879 nw="$nw -Wformat-nonliteral" # we do this a lot
880 nw="$nw -Wvla" # Emacs uses <vla.h>.
881 nw="$nw -Wswitch-default" # Too many warnings for now
882 nw="$nw -Winline" # OK to ignore 'inline'
883 nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
884 nw="$nw -Wstrict-overflow" # OK to optimize assuming that
885 # signed overflow has undefined behavior
886 nw="$nw -Wsync-nand" # irrelevant here, and provokes ObjC warning
887 nw="$nw -Wunsafe-loop-optimizations" # OK to suppress unsafe optimizations
888 nw="$nw -Wbad-function-cast" # These casts are no worse than others.
890 # Emacs doesn't care about shadowing; see
891 # <http://lists.gnu.org/archive/html/emacs-diffs/2011-11/msg00265.html>.
894 # Emacs's use of alloca inhibits protecting the stack.
895 nw="$nw -Wstack-protector"
897 # Emacs's use of partly-pure functions such as CHECK_TYPE make this
898 # option problematic.
899 nw="$nw -Wsuggest-attribute=pure"
901 # This part is merely for shortening the command line,
902 # since -Wno-FOO needs to be added below regardless.
903 nw="$nw -Wmissing-field-initializers"
905 nw="$nw -Wtype-limits"
906 nw="$nw -Wunused-parameter"
908 if test $emacs_cv_clang = yes; then
909 nw="$nw -Wcast-align"
912 gl_MANYWARN_ALL_GCC([ws])
913 gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
917 gl_WARN_ADD([-Wredundant-decls]) # Prefer this, as we don't use Bison.
918 gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
919 gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now
920 gl_WARN_ADD([-Wno-type-limits]) # Too many warnings for now
921 gl_WARN_ADD([-Wno-switch]) # Too many warnings for now
922 gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
923 gl_WARN_ADD([-Wno-format-nonliteral])
925 # More things that clang is unduly picky about.
926 if test $emacs_cv_clang = yes; then
927 gl_WARN_ADD([-Wno-format-extra-args])
928 gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
929 gl_WARN_ADD([-Wno-unused-command-line-argument])
930 gl_WARN_ADD([-Wno-unused-value])
933 AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
934 AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
935 AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
936 [/* Enable compile-time and run-time bounds-checking, and some warnings,
937 without upsetting glibc 2.15+. */
938 #if (defined GNULIB_PORTCHECK && !defined _FORTIFY_SOURCE \
939 && defined __OPTIMIZE__ && __OPTIMIZE__)
940 # define _FORTIFY_SOURCE 2
944 # We use a slightly smaller set of warning options for lib/.
945 # Remove the following and save the result in GNULIB_WARN_CFLAGS.
947 nw="$nw -Wunused-macros"
949 gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
950 AC_SUBST([GNULIB_WARN_CFLAGS])
960 AC_ARG_ENABLE(link-time-optimization,
961 [AS_HELP_STRING([--enable-link-time-optimization],
962 [build emacs with link-time optimization.
963 This requires GCC 4.5.0 or later, or clang.
964 (Note that clang support is experimental - see INSTALL.)
965 It also makes Emacs harder to debug, and when we tried it
966 with GCC 4.9.0 x86-64 it made Emacs slower, so it's not
967 recommended for typical use.])],
968 if test "${enableval}" != "no"; then
970 if test $emacs_cv_clang = yes; then
971 AC_MSG_CHECKING([whether link-time optimization is supported by clang])
972 GOLD_PLUGIN=`$CC -print-file-name=LLVMgold.so 2>/dev/null`
973 if test -x "$GOLD_PLUGIN"; then
976 elif test x$GCC = xyes; then
977 AC_MSG_CHECKING([whether link-time optimization is supported by gcc])
978 CPUS=`getconf _NPROCESSORS_ONLN 2>/dev/null`
979 if test x$CPUS != x; then
985 AC_MSG_ERROR([Link-time optimization is not supported with your compiler.])
987 if test -z "$LTO"; then
991 CFLAGS="$CFLAGS $LTO"
992 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
993 [ac_lto_supported=yes], [ac_lto_supported=no])
996 AC_MSG_RESULT([$ac_lto_supported])
997 if test "$ac_lto_supported" = "yes"; then
998 CFLAGS="$CFLAGS $LTO"
999 if test x$emacs_cv_clang = xyes; then
1000 AC_MSG_WARN([Please read INSTALL before using link-time optimization with clang])
1001 # WARNING: 'ar --plugin ...' doesn't work without
1002 # command, so plugin name is appended to ARFLAGS.
1003 ARFLAGS="cru --plugin $GOLD_PLUGIN"
1004 RANLIB="$RANLIB --plugin $GOLD_PLUGIN"
1006 dnl The following is needed for GCC 4.9.0. The GCC 4.9.0 release notes
1007 dnl suggest that instead of -ffat-lto-objects we should use gcc-ar and
1008 dnl gcc-ranlib in place of ar and ranlib, but gcc-ar makes /usr/bin/ar
1009 dnl dump core on Fedora 20, so play it safe for now.
1010 gl_COMPILER_OPTION_IF([-ffat-lto-objects],
1011 [CFLAGS="$CFLAGS -ffat-lto-objects"])
1016 dnl Port to Automake 1.11.
1017 dnl This section can be removed once we assume Automake 1.14 or later.
1018 : ${AM_DEFAULT_VERBOSITY=1}
1019 : ${AM_V=$AM_DEFAULT_VERBOSITY}
1020 : ${AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY}
1022 AM_SUBST_NOTMAKE([AM_V])
1023 AC_SUBST([AM_DEFAULT_V])
1024 AM_SUBST_NOTMAKE([AM_DEFAULT_V])
1025 AC_SUBST([AM_DEFAULT_VERBOSITY])
1027 dnl Some other nice autoconf tests.
1028 dnl These are commented out, since gl_EARLY and/or Autoconf already does them.
1031 dnl if test "x$RANLIB" = x; then
1036 dnl Sadly, AC_PROG_LN_S is too restrictive. It also tests whether links
1037 dnl can be made to directories. This is not relevant for our usage, and
1038 dnl excludes some cases that work fine for us. Eg MS Windows or files
1039 dnl hosted on AFS, both examples where simple links work, but links to
1040 dnl directories fail. We use a cut-down version instead.
1043 AC_MSG_CHECKING([whether ln -s works for files in the same directory])
1044 rm -f conf$$ conf$$.file
1046 LN_S_FILEONLY='cp -p'
1048 dnl On MinGW, ensure we will call the MSYS /bin/ln.exe, not some
1049 dnl random program in the current directory.
1050 if (echo >conf$$.file) 2>/dev/null; then
1051 if ln -s conf$$.file conf$$ 2>/dev/null; then
1052 if test "$opsys" = "mingw32"; then
1053 LN_S_FILEONLY='/bin/ln -s'
1055 LN_S_FILEONLY='ln -s'
1057 elif ln conf$$.file conf$$ 2>/dev/null; then
1058 if test "$opsys" = "mingw32"; then
1059 LN_S_FILEONLY=/bin/ln
1066 rm -f conf$$ conf$$.file
1068 if test "$LN_S_FILEONLY" = "ln -s"; then
1069 AC_MSG_RESULT([yes])
1071 AC_MSG_RESULT([no, using $LN_S_FILEONLY])
1074 AC_SUBST(LN_S_FILEONLY)
1077 dnl AC_PROG_LN_S sets LN_S to 'cp -pR' for MinGW, on the premise that 'ln'
1078 dnl doesn't support links to directories, as in "ln file dir". But that
1079 dnl use is non-portable, and OTOH MinGW wants to use hard links for Emacs
1080 dnl executables at "make install" time.
1081 dnl See http://lists.gnu.org/archive/html/emacs-devel/2013-04/msg00475.html
1082 dnl for more details.
1083 if test "$opsys" = "mingw32"; then
1087 dnl On some Debian versions, "install-info" prints irritating messages
1088 dnl "This is not dpkg install-info anymore, but GNU install-info"
1089 dnl if called via an absolute file name.
1090 dnl Use the entirely-identical-but-quieter ginstall-info instead if present.
1091 dnl Sadly some people may have an old ginstall-info installed on
1092 dnl non-Debian systems, so we can't use this.
1093 dnl AC_PATH_PROGS(INSTALL_INFO, [ginstall-info install-info], :,
1094 dnl $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1096 AC_PATH_PROG(INSTALL_INFO, install-info, :,
1097 $PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin)
1098 dnl Don't use GZIP, which is used by gzip for additional parameters.
1099 AC_PATH_PROG(GZIP_PROG, gzip)
1101 test $with_compress_install != yes && test -n "$GZIP_PROG" && \
1102 GZIP_PROG=" # $GZIP_PROG # (disabled by configure --without-compress-install)"
1104 if test $opsys = gnu-linux; then
1105 AC_PATH_PROG(PAXCTL, paxctl,,
1106 [$PATH$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/sbin])
1107 if test "X$PAXCTL" != X; then
1108 AC_MSG_CHECKING([whether binaries have a PT_PAX_FLAGS header])
1109 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1110 [if $PAXCTL -v conftest$EXEEXT >/dev/null 2>&1; then AC_MSG_RESULT(yes)
1111 else AC_MSG_RESULT(no); PAXCTL=""; fi])
1114 if test "${SETFATTR+set}" != set; then
1115 AC_CACHE_CHECK([for setfattr],
1116 [emacs_cv_prog_setfattr],
1118 if (setfattr -n user.pax.flags conftest.tmp) >/dev/null 2>&1; then
1119 emacs_cv_prog_setfattr=yes
1121 emacs_cv_prog_setfattr=no
1123 if test "$emacs_cv_prog_setfattr" = yes; then
1129 AC_SUBST([SETFATTR])
1133 ## Need makeinfo >= 4.7 (?) to build the manuals.
1134 if test "$MAKEINFO" != "no"; then
1135 if test "$MAKEINFO" = "${am_missing_run}makeinfo"; then
1138 case `($MAKEINFO --version) 2>/dev/null` in
1139 *' (GNU texinfo) '4.[[7-9]]* | \
1140 *' (GNU texinfo) '4.[[1-9][0-9]]* | \
1141 *' (GNU texinfo) '[[5-9]]* | \
1142 *' (GNU texinfo) '[[1-9][0-9]]* ) ;;
1147 ## Makeinfo is unusual. For a released Emacs, the manuals are
1148 ## pre-built, and not deleted by the normal clean rules. makeinfo is
1149 ## therefore in the category of "special tools" not normally required, which
1150 ## configure does not have to check for (eg autoconf itself).
1151 ## In a repository checkout on the other hand, the manuals are not included.
1152 ## So makeinfo is a requirement to build from the repository, and configure
1153 ## should test for it as it does for any other build requirement.
1154 ## We use the presence of $srcdir/info/emacs to distinguish a release,
1155 ## with pre-built manuals, from a repository checkout.
1158 if test "$MAKEINFO" = "no"; then
1160 if test "x${with_makeinfo}" = "xno"; then
1162 elif test ! -e "$srcdir/info/emacs" && test ! -e "$srcdir/info/emacs.info"; then
1163 AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.7, and your
1164 source tree does not seem to have pre-built manuals in the `info' directory.
1165 Either install a suitable version of makeinfo, or re-run configure
1166 with the `--without-makeinfo' option to build without the manuals.] )
1169 AC_SUBST(HAVE_MAKEINFO)
1171 if test $opsys = mingw32; then
1172 DOCMISC_W32=efaq-w32
1176 AC_SUBST(DOCMISC_W32)
1178 dnl Add our options to ac_link now, after it is set up.
1180 if test x$GCC = xyes; then
1181 test "x$GCC_LINK_TEST_OPTIONS" != x && \
1182 ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1184 test "x$NON_GCC_LINK_TEST_OPTIONS" != x && \
1185 ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1188 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1189 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1190 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1191 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1192 dnl if not built to support GNU ld.
1194 dnl For a long time, -znocombreloc was added to LDFLAGS rather than
1195 dnl LD_SWITCH_SYSTEM_TEMACS. That is:
1196 dnl * inappropriate, as LDFLAGS is a user option but this is essential.
1197 dnl Eg "make LDFLAGS=... all" could run into problems,
1198 dnl http://bugs.debian.org/684788
1199 dnl * unnecessary, since temacs is the only thing that actually needs it.
1200 dnl Indeed this is where it was originally, prior to:
1201 dnl http://lists.gnu.org/archive/html/emacs-pretest-bug/2004-03/msg00170.html
1202 late_LDFLAGS="$LDFLAGS"
1203 if test x$GCC = xyes; then
1204 LDFLAGS_NOCOMBRELOC="-Wl,-znocombreloc"
1206 LDFLAGS_NOCOMBRELOC="-znocombreloc"
1209 LDFLAGS="$LDFLAGS $LDFLAGS_NOCOMBRELOC"
1211 AC_MSG_CHECKING([for -znocombreloc])
1212 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
1213 [AC_MSG_RESULT(yes)],
1214 LDFLAGS_NOCOMBRELOC=
1215 [AC_MSG_RESULT(no)])
1217 LDFLAGS="$late_LDFLAGS"
1219 AC_CACHE_CHECK([whether addresses are sanitized],
1220 [emacs_cv_sanitize_address],
1223 [[#ifndef __has_feature
1224 #define __has_feature(f) 0
1226 #if defined __SANITIZE_ADDRESS__ || __has_feature (address_sanitizer)
1228 error "Addresses are not sanitized.";
1231 [emacs_cv_sanitize_address=yes],
1232 [emacs_cv_sanitize_address=no])])
1234 dnl The function dump-emacs will not be defined and temacs will do
1235 dnl (load "loadup") automatically unless told otherwise.
1236 test "x$CANNOT_DUMP" = "x" && CANNOT_DUMP=no
1238 your-opsys-here) CANNOT_DUMP=yes ;;
1241 if test "$CANNOT_DUMP" = "yes"; then
1242 AC_DEFINE(CANNOT_DUMP, 1, [Define if Emacs cannot be dumped on your system.])
1243 elif test "$emacs_cv_sanitize_address" = yes; then
1244 AC_MSG_WARN([[Addresses are sanitized; suggest CANNOT_DUMP=yes]])
1247 AC_SUBST(CANNOT_DUMP)
1250 UNEXEC_OBJ=unexelf.o
1252 # MSDOS uses unexcoff.o
1254 UNEXEC_OBJ=unexaix.o
1260 UNEXEC_OBJ=unexmacosx.o
1263 UNEXEC_OBJ=unexhp9k800.o
1266 UNEXEC_OBJ=unexw32.o
1269 # Use the Solaris dldump() function, called from unexsol.c, to dump
1270 # emacs, instead of the generic ELF dump code found in unexelf.c.
1271 # The resulting binary has a complete symbol table, and is better
1272 # for debugging and other observability tools (debuggers, pstack, etc).
1274 # If you encounter a problem using dldump(), please consider sending
1275 # a message to the OpenSolaris tools-linking mailing list:
1276 # http://mail.opensolaris.org/mailman/listinfo/tools-linking
1278 # It is likely that dldump() works with older Solaris too, but this has
1279 # not been tested, so for now this change is for Solaris 10 or newer.
1280 UNEXEC_OBJ=unexsol.o
1287 ## Let `ld' find image libs and similar things in /usr/local/lib.
1288 ## The system compiler, GCC, has apparently been modified to not
1289 ## look there, contrary to what a stock GCC would do.
1290 ### It's not our place to do this. See bug#10313#17.
1291 ### LD_SWITCH_SYSTEM=-L/usr/local/lib
1296 ## cpp test was "ifdef __mips__", but presumably this is equivalent...
1297 case $host_cpu in mips*) LD_SWITCH_SYSTEM="-G 0";; esac
1301 ### It's not our place to do this. See bug#10313#17.
1302 ### LD_SWITCH_SYSTEM="-Wl,-rpath,/usr/pkg/lib -L/usr/pkg/lib -Wl,-rpath,/usr/local/lib -L/usr/local/lib"
1307 ## Han Boetes <han@boetes.org> says this is necessary,
1308 ## otherwise Emacs dumps core on elf systems.
1309 LD_SWITCH_SYSTEM="-Z"
1312 AC_SUBST(LD_SWITCH_SYSTEM)
1314 ac_link="$ac_link $LD_SWITCH_SYSTEM"
1316 ## This setting of LD_SWITCH_SYSTEM references LD_SWITCH_X_SITE_RPATH,
1317 ## which has not been defined yet. When this was handled with cpp,
1318 ## it was expanded to null when configure sourced the s/*.h file.
1319 ## Thus LD_SWITCH_SYSTEM had different values in configure and the Makefiles.
1320 ## FIXME it would be cleaner to put this in LD_SWITCH_SYSTEM_TEMACS
1321 ## (or somesuch), but because it is supposed to go at the _front_
1322 ## of LD_SWITCH_SYSTEM, we cannot do that in exactly the same way.
1323 ## Compare with the gnu-linux case below, which added to the end
1324 ## of LD_SWITCH_SYSTEM, and so can instead go at the front of
1325 ## LD_SWITCH_SYSTEM_TEMACS.
1328 LD_SWITCH_SYSTEM="\$(LD_SWITCH_X_SITE_RPATH) $LD_SWITCH_SYSTEM" ;;
1335 AC_CHECK_DECL([__ELF__])
1336 if test "$ac_cv_have_decl___ELF__" = "yes"; then
1337 ## With ELF, make sure that all common symbols get allocated to in the
1338 ## data section. Otherwise, the dump of temacs may miss variables in
1339 ## the shared library that have been initialized. For example, with
1340 ## GNU libc, __malloc_initialized would normally be resolved to the
1341 ## shared library's .bss section, which is fatal.
1342 if test "x$GCC" = "xyes"; then
1343 C_SWITCH_MACHINE="-fno-common"
1345 AC_MSG_ERROR([Non-GCC compilers are not supported.])
1348 dnl This was the unexalpha.c case. Removed in 24.1, 2010-07-24,
1349 dnl albeit under the mistaken assumption that said file
1350 dnl was no longer used.
1351 AC_MSG_ERROR([Non-ELF systems are not supported since Emacs 24.1.])
1355 AC_SUBST(C_SWITCH_MACHINE)
1357 AC_SUBST(UNEXEC_OBJ)
1360 ## Some programs in src produce warnings saying certain subprograms
1361 ## are too complex and need a MAXMEM value greater than 2000 for
1362 ## additional optimization. --nils@exp-math.uni-essen.de
1363 test "$opsys" = "aix4.2" && test "x$GCC" != "xyes" && \
1364 C_SWITCH_SYSTEM="-ma -qmaxmem=4000"
1365 if test "$opsys" = "mingw32"; then
1366 case "$canonical" in
1367 x86_64-*-mingw*) C_SWITCH_SYSTEM="-mtune=generic" ;;
1368 *) C_SWITCH_SYSTEM="-mtune=pentium4" ;;
1371 ## gnu-linux might need -D_BSD_SOURCE on old libc5 systems.
1372 ## It is redundant in glibc2, since we define _GNU_SOURCE.
1373 AC_SUBST(C_SWITCH_SYSTEM)
1378 ## IBM's X11R5 uses -lIM and -liconv in AIX 3.2.2.
1379 aix4-2) LIBS_SYSTEM="-lrts -lIM -liconv" ;;
1381 freebsd|dragonfly) LIBS_SYSTEM="-lutil" ;;
1383 hpux*) LIBS_SYSTEM="-l:libdld.sl" ;;
1385 sol2*) LIBS_SYSTEM="-lsocket -lnsl" ;;
1387 ## Motif needs -lgen.
1388 unixware) LIBS_SYSTEM="-lsocket -lnsl -lelf -lgen" ;;
1391 AC_SUBST(LIBS_SYSTEM)
1393 ### Make sure subsequent tests use flags consistent with the build flags.
1395 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1396 CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1398 CPPFLAGS="$C_SWITCH_SYSTEM $C_SWITCH_MACHINE $CPPFLAGS"
1401 # Suppress obsolescent Autoconf test for size_t; Emacs assumes C99 or better.
1402 AC_DEFUN([AC_TYPE_SIZE_T])
1403 # Likewise for obsolescent test for uid_t, gid_t; Emacs assumes them.
1404 AC_DEFUN([AC_TYPE_UID_T])
1406 # sqrt and other floating-point functions such as fmod and frexp
1407 # are found in -lm on many systems.
1409 AC_SEARCH_LIBS([sqrt], [m])
1410 if test "X$LIBS" = "X$OLD_LIBS"; then
1413 LIB_MATH=$ac_cv_search_sqrt
1417 dnl Current possibilities handled by sed (aix4-2 -> aix,
1418 dnl gnu-linux -> gnu/linux, etc.):
1419 dnl gnu, gnu/linux, gnu/kfreebsd, aix, cygwin, darwin, hpux, irix.
1420 dnl And special cases: berkeley-unix, usg-unix-v, ms-dos, windows-nt.
1421 SYSTEM_TYPE=`echo $opsys | sed -e 's/[[0-9]].*//' -e 's|-|/|'`
1428 ## Adding -lm confuses the dynamic linker, so omit it.
1431 freebsd | dragonfly )
1432 SYSTEM_TYPE=berkeley-unix
1434 gnu-linux | gnu-kfreebsd )
1436 hpux10-20 | hpux11 )
1440 SYSTEM_TYPE=windows-nt
1442 dnl NB this may be adjusted below.
1444 SYSTEM_TYPE=berkeley-unix
1448 SYSTEM_TYPE=usg-unix-v
1454 AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE",
1455 [The type of system you are compiling for; sets `system-type'.])
1458 pre_PKG_CONFIG_CFLAGS=$CFLAGS
1459 pre_PKG_CONFIG_LIBS=$LIBS
1461 PKG_PROG_PKG_CONFIG(0.9.0)
1463 dnl EMACS_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4)
1464 dnl acts like PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4,
1465 dnl HAVE_GSTUFF=yes, HAVE_GSTUFF=no) -- see pkg-config man page --
1466 dnl except that it postprocesses CFLAGS as needed for --enable-gcc-warnings.
1467 dnl EMACS_CHECK_MODULES accepts optional 3rd and 4th arguments that
1468 dnl can take the place of the default HAVE_GSTUFF=yes and HAVE_GSTUFF=no
1470 AC_DEFUN([EMACS_CHECK_MODULES],
1471 [PKG_CHECK_MODULES([$1], [$2],
1472 [$1_CFLAGS=`AS_ECHO(["$$1_CFLAGS"]) | sed -e "$edit_cflags"`
1473 m4_default([$3], [HAVE_$1=yes])],
1474 [m4_default([$4], [HAVE_$1=no])])])
1477 if test "${with_sound}" != "no"; then
1478 # Sound support for GNU/Linux, the free BSDs, MinGW, and Cygwin.
1479 AC_CHECK_HEADERS([machine/soundcard.h sys/soundcard.h soundcard.h mmsystem.h],
1480 have_sound_header=yes, [], [
1482 #define WIN32_LEAN_AND_MEAN
1483 #include <windows.h>
1486 test "${with_sound}" = "oss" && test "${have_sound_header}" != "yes" && \
1487 AC_MSG_ERROR([OSS sound support requested but not found.])
1489 if test "${with_sound}" = "bsd-ossaudio" || test "${with_sound}" = "yes"; then
1490 # Emulation library used on NetBSD.
1491 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1492 test "${with_sound}" = "bsd-ossaudio" && test -z "$LIBSOUND" && \
1493 AC_MSG_ERROR([bsd-ossaudio sound support requested but not found.])
1494 dnl FIXME? If we did find ossaudio, should we set with_sound=bsd-ossaudio?
1495 dnl Traditionally, we go on to check for alsa too. Does that make sense?
1499 if test "${with_sound}" = "alsa" || test "${with_sound}" = "yes"; then
1501 ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1502 EMACS_CHECK_MODULES([ALSA], [$ALSA_MODULES])
1503 if test $HAVE_ALSA = yes; then
1504 SAVE_CFLAGS="$CFLAGS"
1506 CFLAGS="$ALSA_CFLAGS $CFLAGS"
1507 LIBS="$ALSA_LIBS $LIBS"
1508 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <asoundlib.h>]], [[snd_lib_error_set_handler (0);]])],
1509 emacs_alsa_normal=yes,
1510 emacs_alsa_normal=no)
1511 if test "$emacs_alsa_normal" != yes; then
1512 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alsa/asoundlib.h>]],
1513 [[snd_lib_error_set_handler (0);]])],
1514 emacs_alsa_subdir=yes,
1515 emacs_alsa_subdir=no)
1516 if test "$emacs_alsa_subdir" != yes; then
1517 AC_MSG_ERROR([pkg-config found alsa, but it does not compile. See config.log for error messages.])
1519 ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1522 CFLAGS="$SAVE_CFLAGS"
1524 LIBSOUND="$LIBSOUND $ALSA_LIBS"
1525 CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1526 AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1527 elif test "${with_sound}" = "alsa"; then
1528 AC_MSG_ERROR([ALSA sound support requested but not found.])
1530 fi dnl with_sound = alsa|yes
1532 dnl Define HAVE_SOUND if we have sound support. We know it works and
1533 dnl compiles only on the specified platforms. For others, it
1534 dnl probably doesn't make sense to try.
1535 dnl FIXME So surely we should bypass this whole section if not using
1536 dnl one of these platforms?
1537 if test x$have_sound_header = xyes || test $HAVE_ALSA = yes; then
1539 dnl defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
1540 dnl Adjust the --with-sound help text if you change this.
1541 gnu-linux|freebsd|netbsd|mingw32|cygwin)
1542 AC_DEFINE(HAVE_SOUND, 1, [Define to 1 if you have sound support.])
1548 AC_SUBST(CFLAGS_SOUND)
1551 dnl checks for header files
1552 AC_CHECK_HEADERS_ONCE(
1557 sys/utsname.h pwd.h utmp.h util.h)
1559 AC_MSG_CHECKING(if personality LINUX32 can be set)
1560 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/personality.h>]], [[personality (PER_LINUX32)]])],
1561 emacs_cv_personality_linux32=yes,
1562 emacs_cv_personality_linux32=no)
1563 AC_MSG_RESULT($emacs_cv_personality_linux32)
1565 if test $emacs_cv_personality_linux32 = yes; then
1566 AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1567 [Define to 1 if personality LINUX32 can be set.])
1570 # Note that Solaris has sys/sysinfo.h which defines struct
1571 # sysinfo as well. To make sure that we're using GNU/Linux
1572 # sysinfo, we explicitly set one of its fields.
1573 if test "$ac_cv_header_sys_sysinfo_h" = yes; then
1574 AC_MSG_CHECKING([if Linux sysinfo may be used])
1575 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1576 [[struct sysinfo si;
1579 emacs_cv_linux_sysinfo=yes, emacs_cv_linux_sysinfo=no)
1580 AC_MSG_RESULT($emacs_cv_linux_sysinfo)
1581 if test $emacs_cv_linux_sysinfo = yes; then
1582 AC_DEFINE([HAVE_LINUX_SYSINFO], 1, [Define to 1 if you have Linux sysinfo function.])
1583 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/sysinfo.h>]],
1584 [[struct sysinfo si; return si.mem_unit]])],
1585 AC_DEFINE(LINUX_SYSINFO_UNIT, 1,
1586 [Define to 1 if Linux sysinfo sizes are in multiples of mem_unit bytes.]))
1590 dnl On Solaris 8 there's a compilation warning for term.h because
1591 dnl it doesn't define `bool'.
1592 AC_CHECK_HEADERS(term.h, , , -)
1594 AC_CHECK_DECLS([sys_siglist], [], [], [[#include <signal.h>
1596 if test $ac_cv_have_decl_sys_siglist != yes; then
1597 # For Tru64, at least:
1598 AC_CHECK_DECLS([__sys_siglist], [], [], [[#include <signal.h>
1603 AC_CHECK_HEADERS_ONCE(sys/socket.h)
1604 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1605 #if HAVE_SYS_SOCKET_H
1606 #include <sys/socket.h>
1608 AC_CHECK_HEADERS(ifaddrs.h, , , [AC_INCLUDES_DEFAULT
1609 #if HAVE_SYS_SOCKET_H
1610 #include <sys/socket.h>
1612 AC_CHECK_HEADERS(net/if_dl.h, , , [AC_INCLUDES_DEFAULT
1613 #if HAVE_SYS_SOCKET_H
1614 #include <sys/socket.h>
1617 dnl checks for structure members
1618 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1619 struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1620 struct ifreq.ifr_addr,
1621 struct ifreq.ifr_addr.sa_len], , ,
1622 [AC_INCLUDES_DEFAULT
1623 #if HAVE_SYS_SOCKET_H
1624 #include <sys/socket.h>
1630 dnl Check for endianness.
1631 dnl AC_C_BIGENDIAN is done by gnulib.
1633 dnl check for Make feature
1638 dnl check if we have GCC and autodepend is on.
1639 if test "$GCC" = yes && test "$ac_enable_autodepend" = yes; then
1640 AC_MSG_CHECKING([whether gcc understands -MMD -MF])
1641 SAVE_CFLAGS="$CFLAGS"
1642 CFLAGS="$CFLAGS -MMD -MF deps.d -MP"
1643 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])], , ac_enable_autodepend=no)
1644 CFLAGS="$SAVE_CFLAGS"
1645 test -f deps.d || ac_enable_autodepend=no
1647 AC_MSG_RESULT([$ac_enable_autodepend])
1648 if test $ac_enable_autodepend = yes; then
1649 DEPFLAGS='-MMD -MF ${DEPDIR}/$*.d -MP'
1650 ## MKDIR_P is documented (see AC_PROG_MKDIR_P) to be parallel-safe.
1651 MKDEPDIR='${MKDIR_P} ${DEPDIR}'
1652 deps_frag=autodeps.mk
1655 lwlib_deps_frag=$srcdir/lwlib/$deps_frag
1656 oldxmenu_deps_frag=$srcdir/oldXMenu/$deps_frag
1657 deps_frag=$srcdir/src/$deps_frag
1660 AC_SUBST_FILE(deps_frag)
1661 AC_SUBST_FILE(lwlib_deps_frag)
1662 AC_SUBST_FILE(oldxmenu_deps_frag)
1664 lisp_frag=$srcdir/src/lisp.mk
1665 AC_SUBST_FILE(lisp_frag)
1668 dnl checks for operating system services
1669 AC_SYS_LONG_FILE_NAMES
1671 #### Choose a window system.
1673 ## We leave window_system equal to none if
1674 ## we end up building without one. Any new window system should
1675 ## set window_system to an appropriate value and add objects to
1676 ## window-system-specific substs.
1680 if test "$no_x" != yes; then
1684 LD_SWITCH_X_SITE_RPATH=
1685 if test "${x_libraries}" != NONE; then
1686 if test -n "${x_libraries}"; then
1687 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1688 LD_SWITCH_X_SITE_RPATH=-Wl,-rpath,`echo ${x_libraries} | sed -e "s/:/ -Wl,-rpath,/g"`
1690 x_default_search_path=""
1691 x_search_path=${x_libraries}
1692 if test -z "${x_search_path}"; then
1693 x_search_path=/usr/lib
1695 for x_library in `echo ${x_search_path}: | \
1696 sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1698 ${x_library}/X11/%L/%T/%N%C%S:\
1699 ${x_library}/X11/%l/%T/%N%C%S:\
1700 ${x_library}/X11/%T/%N%C%S:\
1701 ${x_library}/X11/%L/%T/%N%S:\
1702 ${x_library}/X11/%l/%T/%N%S:\
1703 ${x_library}/X11/%T/%N%S"
1704 if test x"${x_default_search_path}" = x; then
1705 x_default_search_path=${x_search_path}
1707 x_default_search_path="${x_search_path}:${x_default_search_path}"
1711 AC_SUBST(LD_SWITCH_X_SITE_RPATH)
1713 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1714 C_SWITCH_X_SITE="$isystem"`echo ${x_includes} | sed -e "s/:/ $isystem/g"`
1717 if test x"${x_includes}" = x; then
1718 bitmapdir=/usr/include/X11/bitmaps
1720 # accumulate include directories that have X11 bitmap subdirectories
1722 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1723 if test -d "${bmd}/X11/bitmaps"; then
1724 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1726 if test -d "${bmd}/bitmaps"; then
1727 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1730 if test ${bmd_acc} != "dummyval"; then
1731 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1738 tmp_CPPFLAGS="$CPPFLAGS"
1739 tmp_CFLAGS="$CFLAGS"
1740 CPPFLAGS="$CPPFLAGS -x objective-c"
1741 CFLAGS="$CFLAGS -x objective-c"
1744 if test "${with_ns}" != no; then
1745 if test "${opsys}" = darwin; then
1747 ns_appdir=`pwd`/nextstep/Emacs.app
1748 ns_appbindir=${ns_appdir}/Contents/MacOS
1749 ns_appresdir=${ns_appdir}/Contents/Resources
1750 ns_appsrc=Cocoa/Emacs.base
1751 ns_fontfile=macfont.o
1752 elif test -f $GNUSTEP_CONFIG_FILE; then
1754 ns_appdir=`pwd`/nextstep/Emacs.app
1755 ns_appbindir=${ns_appdir}
1756 ns_appresdir=${ns_appdir}/Resources
1757 ns_appsrc=GNUstep/Emacs.base
1758 ns_fontfile=nsfont.o
1759 dnl FIXME sourcing this several times in subshells seems inefficient.
1760 GNUSTEP_SYSTEM_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_HEADERS)"
1761 GNUSTEP_SYSTEM_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_SYSTEM_LIBRARIES)"
1762 dnl I seemed to need these as well with GNUstep-startup 0.25.
1763 GNUSTEP_LOCAL_HEADERS="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_HEADERS)"
1764 GNUSTEP_LOCAL_LIBRARIES="$(. $GNUSTEP_CONFIG_FILE; echo $GNUSTEP_LOCAL_LIBRARIES)"
1765 test "x${GNUSTEP_LOCAL_HEADERS}" != "x" && \
1766 GNUSTEP_LOCAL_HEADERS="-I${GNUSTEP_LOCAL_HEADERS}"
1767 test "x${GNUSTEP_LOCAL_LIBRARIES}" != "x" && \
1768 GNUSTEP_LOCAL_LIBRARIES="-L${GNUSTEP_LOCAL_LIBRARIES}"
1769 CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1770 CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
1771 LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES} ${GNUSTEP_LOCAL_LIBRARIES}"
1772 LIBS_GNUSTEP="-lgnustep-gui -lgnustep-base -lobjc -lpthread"
1773 dnl GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS to 0 or 1.
1774 dnl If they had chosen to either define it or not, we could have
1775 dnl just used AC_CHECK_DECL here.
1776 AC_CACHE_CHECK(if GNUstep defines BASE_NATIVE_OBJC_EXCEPTIONS,
1777 emacs_cv_objc_exceptions,
1778 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GNUstepBase/GSConfig.h>]],
1779 [[#if defined BASE_NATIVE_OBJC_EXCEPTIONS && BASE_NATIVE_OBJC_EXCEPTIONS > 0
1783 #endif]])], emacs_cv_objc_exceptions=yes, emacs_cv_objc_exceptions=no ) )
1784 if test $emacs_cv_objc_exceptions = yes; then
1785 dnl _NATIVE_OBJC_EXCEPTIONS is used by the GNUstep headers.
1786 AC_DEFINE(_NATIVE_OBJC_EXCEPTIONS, 1,
1787 [Define if GNUstep uses ObjC exceptions.])
1788 GNU_OBJC_CFLAGS="-fobjc-exceptions"
1792 dnl This is only used while we test the NS headers, it gets reset below.
1793 CFLAGS="$CFLAGS $GNU_OBJC_CFLAGS"
1795 AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
1796 [AC_MSG_ERROR([`--with-ns' was specified, but the include
1797 files are missing or cannot be compiled.])])
1800 if test "${NS_IMPL_COCOA}" = "yes"; then
1801 AC_MSG_CHECKING([for OSX 10.6 or newer])
1802 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
1804 #ifdef MAC_OS_X_VERSION_MAX_ALLOWED
1805 #if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
1808 error "OSX 10.6 or newer required";
1812 ns_osx_have_106=yes,
1814 AC_MSG_RESULT([$ns_osx_have_106])
1816 if test $ns_osx_have_106 = no; then
1817 AC_MSG_ERROR([`OSX 10.6 or newer is required']);
1822 AC_SUBST(LIBS_GNUSTEP)
1824 INSTALL_ARCH_INDEP_EXTRA=install-etc
1825 ns_self_contained=no
1828 if test "${HAVE_NS}" = yes; then
1829 if test "$with_toolkit_scroll_bars" = "no"; then
1830 AC_MSG_ERROR([Non-toolkit scroll bars are not implemented for Nextstep.])
1833 window_system=nextstep
1834 # set up packaging dirs
1835 if test "${EN_NS_SELF_CONTAINED}" = yes; then
1836 ns_self_contained=yes
1837 prefix=${ns_appresdir}
1838 exec_prefix=${ns_appbindir}
1839 dnl This one isn't really used, only archlibdir is.
1840 libexecdir="\${ns_appbindir}/libexec"
1841 archlibdir="\${ns_appbindir}/libexec"
1842 etcdocdir="\${ns_appresdir}/etc"
1843 etcdir="\${ns_appresdir}/etc"
1844 dnl FIXME maybe set datarootdir instead.
1845 dnl That would also get applications, icons, man.
1846 infodir="\${ns_appresdir}/info"
1847 mandir="\${ns_appresdir}/man"
1848 lispdir="\${ns_appresdir}/lisp"
1849 INSTALL_ARCH_INDEP_EXTRA=
1852 NS_OBJC_OBJ="nsterm.o nsfns.o nsmenu.o nsselect.o nsimage.o $ns_fontfile"
1854 CFLAGS="$tmp_CFLAGS"
1855 CPPFLAGS="$tmp_CPPFLAGS"
1856 AC_SUBST(INSTALL_ARCH_INDEP_EXTRA)
1857 AC_SUBST(ns_self_contained)
1859 AC_SUBST(NS_OBJC_OBJ)
1870 if test "${with_w32}" != no; then
1873 AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
1874 [AC_MSG_ERROR([`--with-w32' was specified, but windows.h
1875 cannot be found.])])
1878 ## Using --with-w32 with MinGW is a no-op, but we allow it.
1881 AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
1886 if test "${opsys}" = "mingw32"; then
1887 AC_MSG_CHECKING([whether Windows API headers are recent enough])
1888 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1889 #include <windows.h>
1890 #include <usp10.h>]],
1891 [[PIMAGE_NT_HEADERS pHeader;
1892 PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader)]])],
1893 [emacs_cv_w32api=yes
1896 AC_MSG_RESULT($emacs_cv_w32api)
1897 if test "${emacs_cv_w32api}" = "no"; then
1898 AC_MSG_ERROR([the Windows API headers are too old to support this build.])
1909 if test "${HAVE_W32}" = "yes"; then
1910 AC_DEFINE(HAVE_NTGUI, 1, [Define to use native MS Windows GUI.])
1911 AC_CHECK_TOOL(WINDRES, [windres],
1912 [AC_MSG_ERROR([No resource compiler found.])])
1913 W32_OBJ="w32fns.o w32menu.o w32reg.o w32font.o w32term.o"
1914 W32_OBJ="$W32_OBJ w32xfns.o w32select.o w32uniscribe.o"
1915 EMACSRES="emacs.res"
1916 case "$canonical" in
1917 x86_64-*-*) EMACS_MANIFEST="emacs-x64.manifest" ;;
1918 *) EMACS_MANIFEST="emacs-x86.manifest" ;;
1920 dnl Construct something of the form "24,4,0,0" with 4 components.
1921 comma_version=`echo "${PACKAGE_VERSION}.0.0" | sed -e 's/\./,/g' -e 's/^\([[^,]]*,[[^,]]*,[[^,]]*,[[^,]]*\).*/\1/'`
1923 comma_space_version=`echo "$comma_version" | sed 's/,/, /g'`
1924 AC_SUBST(comma_version)
1925 AC_SUBST(comma_space_version)
1926 AC_CONFIG_FILES([nt/emacs.rc nt/emacsclient.rc])
1927 if test "${opsys}" = "cygwin"; then
1928 W32_LIBS="$W32_LIBS -lkernel32 -luser32 -lgdi32 -lole32 -lcomdlg32"
1929 W32_LIBS="$W32_LIBS -lusp10 -lcomctl32 -lwinspool"
1930 # Tell the linker that emacs.res is an object (which we compile from
1931 # the rc file), not a linker script.
1932 W32_RES_LINK="-Wl,emacs.res"
1934 UPDATE_MANIFEST=update-game-score.exe.manifest
1935 W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
1936 W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
1937 W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
1938 W32_RES_LINK="\$(EMACSRES)"
1939 CLIENTRES="emacsclient.res"
1940 CLIENTW="emacsclientw\$(EXEEXT)"
1941 FIRSTFILE_OBJ=firstfile.o
1944 LIBS_ECLIENT="-lcomctl32"
1945 LIB_WSOCK32="-lwsock32"
1946 NTLIB="ntlib.$ac_objext"
1947 XARGS_LIMIT="-s 10000"
1953 AC_SUBST(EMACS_MANIFEST)
1954 AC_SUBST(UPDATE_MANIFEST)
1957 AC_SUBST(W32_RES_LINK)
1958 AC_SUBST(FIRSTFILE_OBJ)
1961 AC_SUBST(LIBS_ECLIENT)
1962 AC_SUBST(LIB_WSOCK32)
1964 AC_SUBST(XARGS_LIMIT)
1966 if test "${HAVE_W32}" = "yes"; then
1971 ## $window_system is now set to the window system we will
1974 if test "$window_system" = none && test "$gl_gcc_warnings" = yes; then
1975 # Too many warnings for now.
1977 nw="$nw -Wsuggest-attribute=const"
1978 nw="$nw -Wsuggest-attribute=noreturn"
1979 gl_MANYWARN_COMPLEMENT([WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
1981 gl_WARN_ADD([-Wno-unused-variable])
1982 gl_WARN_ADD([-Wno-unused-but-set-variable])
1983 gl_WARN_ADD([-Wno-unused-but-set-parameter])
1991 case "${window_system}" in
1996 case "${with_x_toolkit}" in
1997 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1998 motif ) USE_X_TOOLKIT=MOTIF ;;
2000 term_header=gtkutil.h
2001 dnl Don't set this for GTK. A lot of tests below assumes Xt when
2002 dnl USE_X_TOOLKIT is set.
2003 USE_X_TOOLKIT=none ;;
2004 gtk2 ) with_gtk2=yes
2005 term_header=gtkutil.h
2006 USE_X_TOOLKIT=none ;;
2007 gtk3 ) with_gtk3=yes
2008 term_header=gtkutil.h
2009 USE_X_TOOLKIT=none ;;
2010 no ) USE_X_TOOLKIT=none ;;
2011 dnl If user did not say whether to use a toolkit, make this decision later:
2012 dnl use the toolkit if we have gtk, or X11R5 or newer.
2013 * ) USE_X_TOOLKIT=maybe ;;
2017 term_header=nsterm.h
2020 term_header=w32term.h
2024 if test "$window_system" = none && test "X$with_x" != "Xno"; then
2025 AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
2026 if test "$HAVE_XSERVER" = true ||
2027 test -n "$DISPLAY" ||
2028 test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
2029 AC_MSG_ERROR([You seem to be running X, but no X development libraries
2030 were found. You should install the relevant development files for X
2031 and for the toolkit you want, such as Gtk+ or Motif. Also make
2032 sure you have development files for image handling, i.e.
2033 tiff, gif, jpeg, png and xpm.
2034 If you are sure you want Emacs compiled without X window support, pass
2040 # Does the opsystem file prohibit the use of the GNU malloc?
2041 # Assume not, until told otherwise.
2045 [whether malloc is Doug Lea style],
2046 [emacs_cv_var_doug_lea_malloc],
2047 [emacs_cv_var_doug_lea_malloc=no
2048 dnl Hooks do not work with address sanitization.
2049 if test "$emacs_cv_sanitize_address" != yes; then
2052 [[#include <malloc.h>
2053 static void hook (void) {}]],
2054 [[malloc_set_state (malloc_get_state ());
2055 __after_morecore_hook = hook;
2056 __malloc_initialize_hook = hook;]])],
2057 [emacs_cv_var_doug_lea_malloc=yes])])
2059 doug_lea_malloc=$emacs_cv_var_doug_lea_malloc
2061 system_malloc=$emacs_cv_sanitize_address
2066 ## darwin ld insists on the use of malloc routines in the System framework.
2067 darwin|mingw32|sol2-10) system_malloc=yes ;;
2068 cygwin) hybrid_malloc=yes;;
2072 if test "${system_malloc}" = "yes"; then
2073 AC_DEFINE([SYSTEM_MALLOC], 1,
2074 [Define to 1 to use the system memory allocator, even if it is not
2078 (The GNU allocators don't work with this system configuration.)"
2080 elif test "$hybrid_malloc" = yes; then
2081 AC_DEFINE(HYBRID_MALLOC, 1,
2082 [Define to use gmalloc before dumping and the system malloc after.])
2084 GNU_MALLOC_reason="only before dumping"
2085 GMALLOC_OBJ=gmalloc.o
2088 test "$doug_lea_malloc" != "yes" && GMALLOC_OBJ=gmalloc.o
2089 VMLIMIT_OBJ=vm-limit.o
2091 AC_CHECK_HEADERS([sys/vlimit.h])
2092 AC_CACHE_CHECK([for data_start], [emacs_cv_data_start],
2095 [[extern char data_start[]; char ch;]],
2096 [[return data_start < &ch;]])],
2097 [emacs_cv_data_start=yes],
2098 [emacs_cv_data_start=no])])
2099 if test $emacs_cv_data_start = yes; then
2100 AC_DEFINE([HAVE_DATA_START], 1,
2101 [Define to 1 if data_start is the address of the start
2102 of the main data segment.])
2105 AC_SUBST(GMALLOC_OBJ)
2106 AC_SUBST(VMLIMIT_OBJ)
2108 if test "$doug_lea_malloc" = "yes" ; then
2109 if test "$GNU_MALLOC" = yes ; then
2111 (Using Doug Lea's new malloc from the GNU C Library.)"
2113 AC_DEFINE(DOUG_LEA_MALLOC, 1,
2114 [Define to 1 if the system memory allocator is Doug Lea style,
2115 with malloc hooks and malloc_set_state.])
2117 ## Use mmap directly for allocating larger buffers.
2118 ## FIXME this comes from src/s/{gnu,gnu-linux}.h:
2119 ## #ifdef DOUG_LEA_MALLOC; #undef REL_ALLOC; #endif
2120 ## Does the AC_FUNC_MMAP test below make this check unnecessary?
2122 mingw32|gnu*) REL_ALLOC=no ;;
2126 if test x"${REL_ALLOC}" = x; then
2127 REL_ALLOC=${GNU_MALLOC}
2130 use_mmap_for_buffers=no
2132 cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
2136 if test $use_mmap_for_buffers = yes; then
2137 AC_DEFINE(USE_MMAP_FOR_BUFFERS, 1, [Define to use mmap to allocate buffer text.])
2141 LIBS="$LIBS_SYSTEM $LIBS"
2143 dnl FIXME replace main with a function we actually want from this library.
2144 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
2146 dnl Check for the POSIX thread library.
2148 if test "$opsys" != "mingw32"; then
2149 AC_CHECK_HEADERS_ONCE(pthread.h)
2150 if test "$ac_cv_header_pthread_h"; then
2151 dnl gmalloc.c uses pthread_atfork, which is not available on older-style
2152 dnl hosts such as MirBSD 10, so test for pthread_atfork instead of merely
2153 dnl testing for pthread_kill if Emacs uses gmalloc.c.
2154 if test "$GMALLOC_OBJ" = gmalloc.o; then
2155 emacs_pthread_function=pthread_atfork
2157 emacs_pthread_function=pthread_kill
2160 AC_SEARCH_LIBS([$emacs_pthread_function], [pthread],
2161 [AC_DEFINE([HAVE_PTHREAD], [1],
2162 [Define to 1 if you have pthread (-lpthread).])
2163 # Some systems optimize for single-threaded programs by default, and
2164 # need special flags to disable these optimizations. For example, the
2165 # definition of 'errno' in <errno.h>.
2168 AC_DEFINE([_REENTRANT], 1,
2169 [Define to 1 if your system requires this in multithreaded code.]);;
2171 AC_DEFINE([_THREAD_SAFE], 1,
2172 [Define to 1 if your system requires this in multithreaded code.]);;
2174 if test "X$LIBS" != "X$OLD_LIBS"; then
2175 eval LIB_PTHREAD=\$ac_cv_search_$emacs_pthread_function
2179 AC_SUBST([LIB_PTHREAD])
2182 dnl Check for need for bigtoc support on IBM AIX
2186 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
2188 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
2189 *) gdb_cv_bigtoc=-bbigtoc ;;
2192 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
2193 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[int i;]])], [], [gdb_cv_bigtoc=])
2198 # Change CFLAGS, CPPFLAGS, and LIBS temporarily so that C_SWITCH_X_SITE
2199 # is for the tests that follow. We set them back later on.
2201 REAL_CFLAGS="$CFLAGS"
2202 REAL_CPPFLAGS="$CPPFLAGS"
2205 if test "${HAVE_X11}" = "yes"; then
2206 DEFS="$C_SWITCH_X_SITE $DEFS"
2207 LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
2209 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
2210 CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
2212 # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
2213 # This is handled by LD_SWITCH_X_SITE_RPATH during the real build,
2214 # but it's more convenient here to set LD_RUN_PATH since this
2215 # also works on hosts that don't understand LD_SWITCH_X_SITE_RPATH.
2216 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
2217 LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
2221 if test "${opsys}" = "gnu-linux"; then
2222 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
2223 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2224 [[XOpenDisplay ("foo");]])],
2225 [xgnu_linux_first_failure=no],
2226 [xgnu_linux_first_failure=yes])
2227 if test "${xgnu_linux_first_failure}" = "yes"; then
2228 OLD_CPPFLAGS="$CPPFLAGS"
2230 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
2231 LIBS="$LIBS -b i486-linuxaout"
2232 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
2233 [[XOpenDisplay ("foo");]])],
2234 [xgnu_linux_second_failure=no],
2235 [xgnu_linux_second_failure=yes])
2236 if test "${xgnu_linux_second_failure}" = "yes"; then
2237 # If we get the same failure with -b, there is no use adding -b.
2238 # So leave it out. This plays safe.
2241 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
2242 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
2245 CPPFLAGS=$OLD_CPPFLAGS
2252 # Reportedly, some broken Solaris systems have XKBlib.h but are missing
2253 # header files included from there.
2254 AC_MSG_CHECKING(for Xkb)
2255 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
2256 #include <X11/XKBlib.h>]],
2257 [[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);]])],
2258 emacs_xkb=yes, emacs_xkb=no)
2259 AC_MSG_RESULT($emacs_xkb)
2260 if test $emacs_xkb = yes; then
2261 AC_DEFINE(HAVE_XKB, 1, [Define to 1 if you have the Xkb extension.])
2264 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
2265 XScreenNumberOfScreen)
2268 if test "${window_system}" = "x11"; then
2269 AC_MSG_CHECKING(X11 version 6)
2270 AC_CACHE_VAL(emacs_cv_x11_version_6,
2271 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>]],
2272 [[#if XlibSpecificationRelease < 6
2275 ]])], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
2276 if test $emacs_cv_x11_version_6 = yes; then
2277 AC_MSG_RESULT(6 or newer)
2278 AC_DEFINE(HAVE_X11R6, 1,
2279 [Define to 1 if you have the X11R6 or newer version of Xlib.])
2280 AC_DEFINE(HAVE_X_I18N, 1, [Define if you have usable i18n support.])
2281 ## inoue@ainet.or.jp says Solaris has a bug related to X11R6-style
2285 *) AC_DEFINE(HAVE_X11R6_XIM, 1,
2286 [Define if you have usable X11R6-style XIM support.])
2290 AC_MSG_RESULT(before 6)
2295 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
2297 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${opsys}" = "mingw32"; then
2298 if test "${with_rsvg}" != "no"; then
2299 RSVG_REQUIRED=2.11.0
2300 RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
2302 EMACS_CHECK_MODULES([RSVG], [$RSVG_MODULE])
2303 AC_SUBST(RSVG_CFLAGS)
2306 if test $HAVE_RSVG = yes; then
2307 AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
2308 CFLAGS="$CFLAGS $RSVG_CFLAGS"
2309 # Windows loads librsvg dynamically
2310 if test "${opsys}" = "mingw32"; then
2318 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test "${HAVE_W32}" = "yes"; then
2319 if test "${with_imagemagick}" != "no"; then
2320 ## 6.3.5 is the earliest version known to work; see Bug#17339.
2321 ## 6.8.2 makes Emacs crash; see Bug#13867.
2322 IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
2323 EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
2324 AC_SUBST(IMAGEMAGICK_CFLAGS)
2325 AC_SUBST(IMAGEMAGICK_LIBS)
2327 if test $HAVE_IMAGEMAGICK = yes; then
2328 AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
2331 CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
2332 LIBS="$IMAGEMAGICK_LIBS $LIBS"
2333 AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
2343 gtk_term_header=$term_header
2346 if test "${opsys}" != "mingw32"; then
2347 if test "${with_gtk3}" = "yes" || test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
2350 GTK_MODULES="gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2352 dnl Checks for libraries.
2353 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2354 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2355 if test "$pkg_check_gtk" = "no" && test "$with_gtk3" = "yes"; then
2356 AC_MSG_ERROR($GTK_PKG_ERRORS)
2358 if test "$pkg_check_gtk" = "yes"; then
2359 AC_DEFINE(HAVE_GTK3, 1, [Define to 1 if using GTK 3 or later.])
2360 GTK_OBJ=emacsgtkfixed.o
2361 gtk_term_header=gtkutil.h
2362 USE_GTK_TOOLKIT="GTK3"
2363 if test "x$ac_enable_gtk_deprecation_warnings" = x; then
2364 AC_DEFINE([GDK_DISABLE_DEPRECATION_WARNINGS], [1],
2365 [Define to 1 to disable GTK+/GDK deprecation warnings.])
2366 AC_DEFINE([GLIB_DISABLE_DEPRECATION_WARNINGS], [1],
2367 [Define to 1 to disable Glib deprecation warnings.])
2371 gtk3_pkg_errors="$GTK_PKG_ERRORS "
2375 if test "${with_gtk2}" = "yes" || test "$check_gtk2" = "yes"; then
2378 GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2380 dnl Checks for libraries.
2381 EMACS_CHECK_MODULES([GTK], [$GTK_MODULES],
2382 [pkg_check_gtk=yes], [pkg_check_gtk=no])
2383 if test "$pkg_check_gtk" = "no" &&
2384 { test "$with_gtk" = yes || test "$with_gtk2" = "yes"; }
2386 AC_MSG_ERROR($gtk3_pkg_errors$GTK_PKG_ERRORS)
2388 test "$pkg_check_gtk" = "yes" && USE_GTK_TOOLKIT="GTK2"
2395 if test x"$pkg_check_gtk" = xyes; then
2398 CFLAGS="$CFLAGS $GTK_CFLAGS"
2399 LIBS="$GTK_LIBS $LIBS"
2400 dnl Try to compile a simple GTK program.
2401 AC_MSG_CHECKING([whether GTK compiles])
2405 [[/* Check the Gtk and Glib APIs. */
2406 #include <gtk/gtk.h>
2407 #include <glib-object.h>
2409 callback (GObject *go, GParamSpec *spec, gpointer user_data)
2413 GtkSettings *gs = 0;
2414 /* Use G_CALLBACK to make sure function pointers can be cast to void *;
2415 strict C prohibits this. Use gtk_main_iteration to test that the
2416 libraries are there. */
2417 if (g_signal_handler_find (G_OBJECT (gs), G_SIGNAL_MATCH_FUNC,
2418 0, 0, 0, G_CALLBACK (callback), 0))
2419 gtk_main_iteration ();
2422 AC_MSG_RESULT([$GTK_COMPILES])
2423 if test "${GTK_COMPILES}" != "yes"; then
2425 if test "$USE_X_TOOLKIT" != "maybe"; then
2426 AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log. Maybe some x11-devel files missing?]);
2429 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2431 AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
2432 GTK_OBJ="gtkutil.o $GTK_OBJ"
2433 term_header=$gtk_term_header
2435 if "$PKG_CONFIG" --atleast-version=2.10 gtk+-2.0; then
2438 AC_MSG_WARN([[Your version of Gtk+ will have problems with
2439 closing open displays. This is no problem if you just use
2440 one display, but if you use more than one and close one of them
2450 if test "${HAVE_GTK}" = "yes"; then
2452 dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2453 dnl a lot if #ifdef:s, say we have toolkit scrollbars.
2454 if test "$with_toolkit_scroll_bars" != no; then
2455 with_toolkit_scroll_bars=yes
2458 dnl Check if we have the old file selection dialog declared and
2459 dnl in the link library. In 2.x it may be in the library,
2460 dnl but not declared if deprecated featured has been selected out.
2461 dnl AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
2462 HAVE_GTK_FILE_SELECTION=no
2463 AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
2464 HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
2465 #include <gtk/gtk.h>])
2466 if test "$HAVE_GTK_FILE_SELECTION" = yes; then
2467 AC_CHECK_FUNCS(gtk_file_selection_new)
2470 dnl Same as above for gtk_handle_box.
2471 HAVE_GTK_HANDLE_BOX=no
2472 AC_CHECK_DECL(GTK_TYPE_HANDLE_BOX, HAVE_GTK_HANDLE_BOX=yes,
2473 HAVE_GTK_HANDLE_BOX=no, [AC_INCLUDES_DEFAULT
2474 #include <gtk/gtk.h>])
2475 if test "$HAVE_GTK_HANDLE_BOX" = yes; then
2476 AC_CHECK_FUNCS(gtk_handle_box_new)
2479 dnl Same as above for gtk_tearoff_menu_item.
2480 HAVE_GTK_TEAROFF_MENU_ITEM=no
2481 AC_CHECK_DECL(GTK_TYPE_TEAROFF_MENU_ITEM, HAVE_GTK_TEAROFF_MENU_ITEM=yes,
2482 HAVE_GTK_TEAROFF_MENU_ITEM=no, [AC_INCLUDES_DEFAULT
2483 #include <gtk/gtk.h>])
2484 if test "$HAVE_GTK_TEAROFF_MENU_ITEM" = yes; then
2485 AC_CHECK_FUNCS(gtk_tearoff_menu_item_new)
2488 dnl Check for functions introduced in 2.14 and later.
2489 AC_CHECK_FUNCS(gtk_widget_get_window gtk_widget_set_has_window \
2490 gtk_dialog_get_action_area gtk_widget_get_sensitive \
2491 gtk_widget_get_mapped gtk_adjustment_get_page_size \
2492 gtk_orientable_set_orientation \
2493 gtk_window_set_has_resize_grip)
2495 term_header=gtkutil.h
2503 if test "${with_xwidgets}" != "no"; then
2504 echo "xwidgets enabled, checking webkit, and others"
2506 AC_DEFINE(HAVE_XWIDGETS, 1, [Define to 1 if you have xwidgets support.])
2509 # - enable only if gtk/gtk3 enabled
2511 # - only webkit_osr is good so remove plain webkit laterish
2513 #webkit version for gtk3.
2514 WEBKIT_REQUIRED=1.4.0
2515 WEBKIT_MODULES="webkitgtk-3.0 >= $WEBKIT_REQUIRED"
2517 if test "${with_gtk3}" = "yes"; then
2518 PKG_CHECK_MODULES(WEBKIT, $WEBKIT_MODULES, HAVE_WEBKIT=yes, HAVE_WEBKIT=no)
2519 if test $HAVE_WEBKIT = yes; then
2520 AC_DEFINE(HAVE_WEBKIT_OSR, 1, [Define to 1 if you have webkit_osr support.])
2525 GIR_MODULES="gobject-introspection-1.0 >= $GIR_REQUIRED"
2526 PKG_CHECK_MODULES(GIR, $GIR_MODULES, HAVE_GIR=yes, HAVE_GIR=no)
2527 if test $HAVE_GIR = yes; then
2528 AC_DEFINE(HAVE_GIR, 1, [Define to 1 if you have GIR support.])
2537 dnl D-Bus has been tested under GNU/Linux only. Must be adapted for
2538 dnl other platforms.
2541 if test "${with_dbus}" = "yes"; then
2542 EMACS_CHECK_MODULES([DBUS], [dbus-1 >= 1.0])
2543 if test "$HAVE_DBUS" = yes; then
2544 AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
2545 dnl dbus_watch_get_unix_fd has been introduced in D-Bus 1.1.1.
2546 dnl dbus_type_is_valid and dbus_validate_* have been introduced in
2549 LIBS="$LIBS $DBUS_LIBS"
2550 AC_CHECK_FUNCS(dbus_watch_get_unix_fd \
2551 dbus_type_is_valid \
2552 dbus_validate_bus_name \
2553 dbus_validate_path \
2554 dbus_validate_interface \
2555 dbus_validate_member)
2560 AC_SUBST(DBUS_CFLAGS)
2564 dnl GSettings has been tested under GNU/Linux only.
2566 if test "${HAVE_X11}" = "yes" && test "${with_gsettings}" = "yes"; then
2567 EMACS_CHECK_MODULES([GSETTINGS], [gio-2.0 >= 2.26])
2568 if test "$HAVE_GSETTINGS" = "yes"; then
2570 CFLAGS="$CFLAGS $GSETTINGS_CFLAGS"
2572 LIBS="$LIBS $GSETTINGS_LIBS"
2573 AC_MSG_CHECKING([whether GSettings is in gio])
2576 [[/* Check that gsettings really is present. */
2577 #include <glib-object.h>
2578 #include <gio/gio.h>
2581 GSettings *settings;
2582 GVariant *val = g_settings_get_value (settings, "");
2584 [], HAVE_GSETTINGS=no)
2585 AC_MSG_RESULT([$HAVE_GSETTINGS])
2587 if test "$HAVE_GSETTINGS" = "yes"; then
2588 AC_DEFINE(HAVE_GSETTINGS, 1, [Define to 1 if using GSettings.])
2589 SETTINGS_CFLAGS="$GSETTINGS_CFLAGS"
2590 SETTINGS_LIBS="$GSETTINGS_LIBS"
2597 dnl GConf has been tested under GNU/Linux only.
2598 dnl The version is really arbitrary, it is about the same age as Gtk+ 2.6.
2600 if test "${HAVE_X11}" = "yes" && test "${with_gconf}" = "yes"; then
2601 EMACS_CHECK_MODULES([GCONF], [gconf-2.0 >= 2.13])
2602 if test "$HAVE_GCONF" = yes; then
2603 AC_DEFINE(HAVE_GCONF, 1, [Define to 1 if using GConf.])
2604 dnl Newer GConf doesn't link with g_objects, so this is not defined.
2605 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GCONF_CFLAGS"
2606 SETTINGS_LIBS="$SETTINGS_LIBS $GCONF_LIBS"
2610 if test "$HAVE_GSETTINGS" = "yes" || test "$HAVE_GCONF" = "yes"; then
2611 EMACS_CHECK_MODULES([GOBJECT], [gobject-2.0 >= 2.0])
2612 if test "$HAVE_GOBJECT" = "yes"; then
2613 SETTINGS_CFLAGS="$SETTINGS_CFLAGS $GOBJECT_CFLAGS"
2614 SETTINGS_LIBS="$SETTINGS_LIBS $GOBJECT_LIBS"
2616 SAVE_CFLAGS="$CFLAGS"
2618 CFLAGS="$SETTINGS_CFLAGS $CFLAGS"
2619 LIBS="$SETTINGS_LIBS $LIBS"
2620 CFLAGS="$SAVE_CFLAGS"
2623 AC_SUBST(SETTINGS_CFLAGS)
2624 AC_SUBST(SETTINGS_LIBS)
2627 dnl SELinux is available for GNU/Linux only.
2630 if test "${with_selinux}" = "yes"; then
2631 AC_CHECK_LIB([selinux], [lgetfilecon], HAVE_LIBSELINUX=yes, HAVE_LIBSELINUX=no)
2632 if test "$HAVE_LIBSELINUX" = yes; then
2633 AC_DEFINE(HAVE_LIBSELINUX, 1, [Define to 1 if using SELinux.])
2634 LIBSELINUX_LIBS=-lselinux
2637 AC_SUBST(LIBSELINUX_LIBS)
2640 if test "${with_gnutls}" = "yes" ; then
2641 EMACS_CHECK_MODULES([LIBGNUTLS], [gnutls >= 2.6.6],
2642 [HAVE_GNUTLS=yes], [HAVE_GNUTLS=no])
2643 if test "${HAVE_GNUTLS}" = "yes"; then
2644 AC_DEFINE(HAVE_GNUTLS, 1, [Define if using GnuTLS.])
2645 EMACS_CHECK_MODULES([LIBGNUTLS3], [gnutls >= 3.0.0],
2646 [AC_DEFINE(HAVE_GNUTLS3, 1, [Define if using GnuTLS v3.])], [])
2649 # Windows loads GnuTLS dynamically
2650 if test "${opsys}" = "mingw32"; then
2655 AC_SUBST(LIBGNUTLS_LIBS)
2656 AC_SUBST(LIBGNUTLS_CFLAGS)
2661 dnl FIXME? Don't auto-detect on NS, but do allow someone to specify
2662 dnl a particular library. This doesn't make much sense?
2663 if test "${with_ns}" = yes && test ${with_file_notification} = yes; then
2664 with_file_notification=no
2667 dnl MS Windows native file monitor is available for mingw32 only.
2668 case $with_file_notification,$opsys in
2669 w32,* | yes,mingw32)
2670 AC_CHECK_HEADER(windows.h)
2671 if test "$ac_cv_header_windows_h" = yes ; then
2672 AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
2673 NOTIFY_OBJ=w32notify.o
2674 NOTIFY_SUMMARY="yes (w32)"
2678 dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
2679 dnl has been added in glib 2.24. It has been tested under
2680 dnl GNU/Linux only. We take precedence over inotify, but this makes
2681 dnl only sense when glib has been compiled with inotify support. How
2683 case $with_file_notification,$NOTIFY_OBJ in
2685 EMACS_CHECK_MODULES([GFILENOTIFY], [gio-2.0 >= 2.24])
2686 if test "$HAVE_GFILENOTIFY" = "yes"; then
2687 AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
2688 NOTIFY_OBJ=gfilenotify.o
2689 NOTIFY_SUMMARY="yes -lgio (gfile)"
2693 dnl inotify is only available on GNU/Linux.
2694 case $with_file_notification,$NOTIFY_OBJ in
2696 AC_CHECK_HEADER(sys/inotify.h)
2697 if test "$ac_cv_header_sys_inotify_h" = yes ; then
2698 AC_CHECK_FUNC(inotify_init1)
2699 if test "$ac_cv_func_inotify_init1" = yes; then
2700 AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
2701 NOTIFY_OBJ=inotify.o
2702 NOTIFY_SUMMARY="yes -lglibc (inotify)"
2707 case $with_file_notification,$NOTIFY_OBJ in
2708 yes,* | no,* | *,?*) ;;
2709 *) AC_MSG_ERROR([File notification `$with_file_notification' requested but requirements not found.]) ;;
2712 if test -n "$NOTIFY_OBJ"; then
2713 AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
2715 AC_SUBST(NOTIFY_OBJ)
2716 AC_SUBST(GFILENOTIFY_CFLAGS)
2717 AC_SUBST(GFILENOTIFY_LIBS)
2719 dnl Do not put whitespace before the #include statements below.
2720 dnl Older compilers (eg sunos4 cc) choke on it.
2723 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
2724 if test "$with_xaw3d" != no; then
2725 AC_CACHE_VAL(emacs_cv_xaw3d,
2726 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2727 #include <X11/Intrinsic.h>
2728 #include <X11/Xaw3d/Simple.h>]],
2730 [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb,
2731 emacs_cv_xaw3d=yes, emacs_cv_xaw3d=no)],
2732 emacs_cv_xaw3d=no)])
2736 if test $emacs_cv_xaw3d = yes; then
2737 AC_MSG_CHECKING(for xaw3d)
2738 AC_MSG_RESULT([yes; using Lucid toolkit])
2742 AC_DEFINE(HAVE_XAW3D, 1,
2743 [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2745 AC_MSG_CHECKING(for xaw3d)
2747 AC_MSG_CHECKING(for libXaw)
2748 AC_CACHE_VAL(emacs_cv_xaw,
2749 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
2750 #include <X11/Intrinsic.h>
2751 #include <X11/Xaw/Simple.h>]],
2755 if test $emacs_cv_xaw = yes; then
2756 AC_MSG_RESULT([yes; using Lucid toolkit])
2759 elif test x"${USE_X_TOOLKIT}" = xLUCID; then
2760 AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
2762 AC_MSG_ERROR([No X toolkit could be found.
2763 If you are sure you want Emacs compiled without an X toolkit, pass
2765 to configure. Otherwise, install the development libraries for the toolkit
2766 that you want to use (e.g. Gtk+) and re-run configure.])
2771 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2775 if test "${USE_X_TOOLKIT}" != "none"; then
2776 AC_MSG_CHECKING(X11 toolkit version)
2777 AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2778 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <X11/Intrinsic.h>]],
2779 [[#if XtSpecificationRelease < 6
2782 ]])], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2783 HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2784 if test $emacs_cv_x11_toolkit_version_6 = yes; then
2785 AC_MSG_RESULT(6 or newer)
2786 AC_DEFINE(HAVE_X11XTR6, 1,
2787 [Define to 1 if you have the X11R6 or newer version of Xt.])
2788 LIBXTR6="-lSM -lICE"
2790 ## Use libw.a along with X11R6 Xt.
2791 unixware) LIBXTR6="$LIBXTR6 -lw" ;;
2794 AC_MSG_RESULT(before 6)
2797 dnl If using toolkit, check whether libXmu.a exists.
2798 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2800 if test x$HAVE_X11XTR6 = xyes; then
2801 OTHERLIBS='-lXt -lSM -lICE'
2805 AC_SEARCH_LIBS([XmuConvertStandardSelection], [Xmu], [], [], [$OTHERLIBS])
2806 if test "X$LIBS" != "X$OLDLIBS"; then
2807 LIBXMU=$ac_cv_search_XmuConvertStandardSelection
2810 dnl ac_cv_search_XmuConvertStandardSelection is also referenced below.
2816 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2817 # OpenMotif may be installed in such a way on some GNU/Linux systems.
2818 if test -d /usr/include/openmotif; then
2819 CPPFLAGS="-I/usr/include/openmotif $CPPFLAGS"
2820 emacs_cv_openmotif=yes
2821 case "$canonical" in
2822 x86_64-*-linux-gnu* | powerpc64-*-linux-gnu* | sparc64-*-linux-gnu*)
2823 test -d /usr/lib64/openmotif && LDFLAGS="-L/usr/lib64/openmotif $LDFLAGS"
2826 test -d /usr/lib/openmotif && LDFLAGS="-L/usr/lib/openmotif $LDFLAGS"
2829 emacs_cv_openmotif=no
2831 AC_CACHE_CHECK(for (Open)Motif version 2.1, emacs_cv_motif_version_2_1,
2832 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Xm/Xm.h>]],
2833 [[#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2836 Motif version prior to 2.1.
2838 emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2839 if test $emacs_cv_motif_version_2_1 = yes; then
2840 AC_CHECK_LIB(Xp, XpCreateContext, LIBXP=-lXp)
2841 if test x$emacs_cv_openmotif = xyes; then
2842 REAL_CPPFLAGS="-I/usr/include/openmotif $REAL_CPPFLAGS"
2845 AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2846 # We put this in CFLAGS temporarily to precede other -I options
2847 # that might be in CFLAGS temporarily.
2848 # We put this in CPPFLAGS where it precedes the other -I options.
2849 OLD_CPPFLAGS=$CPPFLAGS
2851 CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2852 CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2853 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>]],
2855 emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2856 if test $emacs_cv_lesstif = yes; then
2857 # Make sure this -I option remains in CPPFLAGS after it is set
2858 # back to REAL_CPPFLAGS.
2859 # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2860 # have those other -I options anyway. Ultimately, having this
2861 # directory ultimately in CPPFLAGS will be enough.
2862 REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2863 LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2866 CPPFLAGS=$OLD_CPPFLAGS
2869 AC_CHECK_HEADER([Xm/BulletinB.h], [],
2870 [AC_MSG_ERROR([Motif toolkit requested but requirements not found.])])
2873 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2874 dnl using Motif or Xaw3d is available, and unless
2875 dnl --with-toolkit-scroll-bars=no was specified.
2877 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2878 [Define to 1 if we should use toolkit scroll bars.])dnl
2879 USE_TOOLKIT_SCROLL_BARS=no
2880 if test "${with_toolkit_scroll_bars}" != "no"; then
2881 if test "${USE_X_TOOLKIT}" != "none"; then
2882 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2883 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2885 USE_TOOLKIT_SCROLL_BARS=yes
2886 elif test "${HAVE_XAW3D}" = "yes" || test "${USE_X_TOOLKIT}" = "LUCID"; then
2887 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2888 USE_TOOLKIT_SCROLL_BARS=yes
2890 elif test "${HAVE_GTK}" = "yes"; then
2891 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2892 USE_TOOLKIT_SCROLL_BARS=yes
2893 elif test "${HAVE_NS}" = "yes"; then
2894 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2895 USE_TOOLKIT_SCROLL_BARS=yes
2896 elif test "${HAVE_W32}" = "yes"; then
2897 AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2898 USE_TOOLKIT_SCROLL_BARS=yes
2902 dnl See if XIM is available.
2903 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2904 #include <X11/Xlib.h>
2905 #include <X11/Xresource.h>]],
2906 [[XIMProc callback;]])],
2908 AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
2911 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2913 if test "${with_xim}" != "no"; then
2914 AC_DEFINE(USE_XIM, 1,
2915 [Define to 1 if we should use XIM, if it is available.])
2919 if test "${HAVE_XIM}" != "no"; then
2921 if test "$GCC" = yes; then
2922 CFLAGS="$CFLAGS --pedantic-errors"
2924 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2925 #include <X11/Xlib.h>
2926 #include <X11/Xresource.h>]],
2932 XPointer *client_data;
2934 /* If we're not using GCC, it's probably not XFree86, and this is
2935 probably right, but we can't use something like --pedantic-errors. */
2936 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2937 char*, XIMProc, XPointer*);
2939 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2941 [emacs_cv_arg6_star=yes])
2942 AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2943 [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2944 either XPointer or XPointer*.])dnl
2945 if test "$emacs_cv_arg6_star" = yes; then
2946 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2948 AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2953 ### Start of font-backend (under any platform) section.
2954 # (nothing here yet -- this is a placeholder)
2955 ### End of font-backend (under any platform) section.
2957 ### Start of font-backend (under X11) section.
2958 if test "${HAVE_X11}" = "yes"; then
2959 ## Use -lXft if available, unless `--with-xft=no'.
2961 if test "x${with_x}" = "xno"; then
2965 if test "$with_xft" != no; then
2966 EMACS_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.2.0])
2967 with_xft=$HAVE_FONTCONFIG
2970 if test "x${with_xft}" != "xno"; then
2972 EMACS_CHECK_MODULES([XFT], [xft >= 0.13.0], [], [HAVE_XFT=no])
2973 ## Because xftfont.c uses XRenderQueryExtension, we also
2974 ## need to link to -lXrender.
2976 AC_CHECK_LIB(Xrender, XRenderQueryExtension, HAVE_XRENDER=yes)
2977 if test "$HAVE_XFT" != no && test "$HAVE_XRENDER" != no; then
2978 OLD_CPPFLAGS="$CPPFLAGS"
2979 OLD_CFLAGS="$CFLAGS"
2981 CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2982 CFLAGS="$CFLAGS $XFT_CFLAGS"
2983 XFT_LIBS="-lXrender $XFT_LIBS"
2984 LIBS="$XFT_LIBS $LIBS"
2985 AC_CHECK_HEADER(X11/Xft/Xft.h,
2986 AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS) , ,
2987 [[#include <X11/X.h>]])
2989 if test "${HAVE_XFT}" = "yes"; then
2990 AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2992 C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2993 fi # "${HAVE_XFT}" = "yes"
2994 CPPFLAGS=$OLD_CPPFLAGS
2997 fi # "$HAVE_XFT" != no
2998 fi # "x${with_xft}" != "xno"
3000 ## We used to allow building with FreeType and without Xft.
3001 ## However, the ftx font backend driver is not in good shape.
3002 if test "$HAVE_XFT" != "yes"; then
3003 dnl For the "Does Emacs use" message at the end.
3007 dnl Strict linkers fail with
3008 dnl ftfont.o: undefined reference to symbol 'FT_New_Face'
3009 dnl if -lfreetype is not specified.
3010 dnl The following is needed to set FREETYPE_LIBS.
3011 EMACS_CHECK_MODULES([FREETYPE], [freetype2])
3013 test "$HAVE_FREETYPE" = "no" && AC_MSG_ERROR(libxft requires libfreetype)
3017 if test "${HAVE_FREETYPE}" = "yes"; then
3018 AC_DEFINE(HAVE_FREETYPE, 1,
3019 [Define to 1 if using the freetype and fontconfig libraries.])
3020 if test "${with_libotf}" != "no"; then
3021 EMACS_CHECK_MODULES([LIBOTF], [libotf])
3022 if test "$HAVE_LIBOTF" = "yes"; then
3023 AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
3024 AC_CHECK_LIB(otf, OTF_get_variation_glyphs,
3025 HAVE_OTF_GET_VARIATION_GLYPHS=yes,
3026 HAVE_OTF_GET_VARIATION_GLYPHS=no)
3027 if test "${HAVE_OTF_GET_VARIATION_GLYPHS}" = "yes"; then
3028 AC_DEFINE(HAVE_OTF_GET_VARIATION_GLYPHS, 1,
3029 [Define to 1 if libotf has OTF_get_variation_glyphs.])
3033 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
3034 dnl Does the new font backend require it, or can it work without it?
3038 if test "${HAVE_LIBOTF}" = yes; then
3039 if test "${with_m17n_flt}" != "no"; then
3040 EMACS_CHECK_MODULES([M17N_FLT], [m17n-flt])
3041 if test "$HAVE_M17N_FLT" = "yes"; then
3042 AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
3053 ### End of font-backend (under X11) section.
3055 AC_SUBST(FREETYPE_CFLAGS)
3056 AC_SUBST(FREETYPE_LIBS)
3057 AC_SUBST(FONTCONFIG_CFLAGS)
3058 AC_SUBST(FONTCONFIG_LIBS)
3059 AC_SUBST(LIBOTF_CFLAGS)
3060 AC_SUBST(LIBOTF_LIBS)
3061 AC_SUBST(M17N_FLT_CFLAGS)
3062 AC_SUBST(M17N_FLT_LIBS)
3064 ### Use -lXpm if available, unless `--with-xpm=no'.
3065 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
3066 ### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
3067 ### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
3068 ### LDFLAGS) accordingly.
3071 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
3072 if test "${with_xpm}" != "no"; then
3073 SAVE_CPPFLAGS="$CPPFLAGS"
3074 SAVE_LDFLAGS="$LDFLAGS"
3075 CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
3076 LDFLAGS="$LDFLAGS -L/usr/lib/noX"
3077 AC_CHECK_HEADER(X11/xpm.h,
3078 [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
3079 if test "${HAVE_XPM}" = "yes"; then
3080 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3081 AC_EGREP_CPP(no_return_alloc_pixels,
3082 [#include "X11/xpm.h"
3083 #ifndef XpmReturnAllocPixels
3084 no_return_alloc_pixels
3086 ], HAVE_XPM=no, HAVE_XPM=yes)
3088 if test "${HAVE_XPM}" = "yes"; then
3089 REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
3093 CPPFLAGS="$SAVE_CPPFLAGS"
3094 LDFLAGS="$SAVE_LDFLAGS"
3099 if test "${HAVE_XPM}" = "yes"; then
3100 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3105 if test "${HAVE_X11}" = "yes"; then
3106 dnl Avoid Xpm on AIX unless requested, as it crashes; see Bug#17598.
3107 test "$opsys$with_xpm_set" = aix4-2 && with_xpm=no
3109 if test "${with_xpm}" != "no"; then
3110 AC_CHECK_HEADER(X11/xpm.h,
3111 [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
3112 if test "${HAVE_XPM}" = "yes"; then
3113 AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
3114 AC_EGREP_CPP(no_return_alloc_pixels,
3115 [#include "X11/xpm.h"
3116 #ifndef XpmReturnAllocPixels
3117 no_return_alloc_pixels
3119 ], HAVE_XPM=no, HAVE_XPM=yes)
3121 if test "${HAVE_XPM}" = "yes"; then
3129 if test "${HAVE_XPM}" = "yes"; then
3130 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3132 elif test "$opsys,$LUCID_LIBW" = aix4-2,-lXaw; then
3133 dnl AIX -lXaw needs -lXpm linked too; see Bug#17598 Message#152.
3138 ### FIXME: Perhaps regroup to minimize code duplication due to MinGW's
3139 ### slightly different requirements wrt image libraries (it doesn't
3140 ### use -lXpm because it loads the xpm shared library dynamically at
3142 if test "${opsys}" = "mingw32"; then
3143 if test "${with_xpm}" != "no"; then
3144 AC_CHECK_HEADER(X11/xpm.h, HAVE_XPM=yes, HAVE_XPM=no, [
3148 if test "${HAVE_XPM}" = "yes"; then
3149 AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm library (-lXpm).])
3155 ### Use -ljpeg if available, unless `--with-jpeg=no'.
3156 ### mingw32 doesn't use -ljpeg, since it loads the library dynamically.
3159 if test "${opsys}" = "mingw32"; then
3160 if test "${with_jpeg}" != "no"; then
3161 dnl Checking for jpeglib.h can lose because of a redefinition of
3163 AC_CHECK_HEADER(jerror.h, HAVE_JPEG=yes, HAVE_JPEG=no)
3165 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3166 if test "${HAVE_JPEG}" = "yes"; then
3167 AC_DEFINE(HAVE_JPEG)
3168 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3169 [#include <jpeglib.h>
3170 version=JPEG_LIB_VERSION
3172 [AC_DEFINE(HAVE_JPEG)],
3173 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3176 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3177 if test "${with_jpeg}" != "no"; then
3178 dnl Checking for jpeglib.h can lose because of a redefinition of
3180 AC_CHECK_HEADER(jerror.h,
3181 [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
3184 AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
3185 if test "${HAVE_JPEG}" = "yes"; then
3186 AC_DEFINE(HAVE_JPEG)
3187 AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
3188 [#include <jpeglib.h>
3189 version=JPEG_LIB_VERSION
3191 [AC_DEFINE(HAVE_JPEG)],
3192 [AC_MSG_WARN([libjpeg found, but not version 6b or later])
3195 if test "${HAVE_JPEG}" = "yes"; then
3203 if test "${with_zlib}" != "no"; then
3205 AC_SEARCH_LIBS([inflateEnd], [z], [HAVE_ZLIB=yes])
3207 case $ac_cv_search_inflateEnd in
3208 -*) LIBZ=$ac_cv_search_inflateEnd ;;
3211 if test "${HAVE_ZLIB}" = "yes"; then
3212 AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the zlib library (-lz).])
3213 ### mingw32 doesn't use -lz, since it loads the library dynamically.
3214 if test "${opsys}" = "mingw32"; then
3220 ### Use -lpng if available, unless `--with-png=no'.
3224 if test "${NS_IMPL_COCOA}" = yes; then
3226 elif test "${with_png}" != no; then
3227 # mingw32 loads the library dynamically.
3228 if test "$opsys" = mingw32; then
3229 AC_CHECK_HEADER([png.h], [HAVE_PNG=yes])
3230 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3231 AC_MSG_CHECKING([for png])
3232 png_cflags=`(libpng-config --cflags) 2>&AS_MESSAGE_LOG_FD` &&
3233 png_libs=`(libpng-config --libs) 2>&AS_MESSAGE_LOG_FD` || {
3234 # libpng-config does not work; configure by hand.
3235 # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
3236 # in /usr/include/libpng.
3237 if test -r /usr/include/libpng/png.h &&
3238 test ! -r /usr/include/png.h; then
3239 png_cflags=-I/usr/include/libpng
3247 CFLAGS="$CFLAGS $png_cflags"
3248 LIBS="$png_libs -lz -lm $LIBS"
3250 [AC_LANG_PROGRAM([[#include <png.h>]],
3251 [[return !png_get_channels (0, 0);]])],
3253 PNG_CFLAGS=`AS_ECHO(["$png_cflags"]) | sed -e "$edit_cflags"`
3255 # $LIBPNG requires explicit -lz in some cases.
3256 # We don't know what those cases are, exactly, so play it safe and
3257 # append -lz to any nonempty $LIBPNG, unless we're already using LIBZ.
3258 if test -n "$LIBPNG" && test -z "$LIBZ"; then
3259 LIBPNG="$LIBPNG -lz"
3263 AC_MSG_RESULT([$HAVE_PNG])
3266 if test $HAVE_PNG = yes; then
3267 AC_DEFINE([HAVE_PNG], [1], [Define to 1 if you have the png library.])
3270 CFLAGS="$CFLAGS $PNG_CFLAGS"
3271 AC_CHECK_DECL([png_longjmp],
3273 [AC_DEFINE([PNG_DEPSTRUCT], [],
3274 [Define to empty to suppress deprecation warnings when building
3275 with --enable-gcc-warnings and with libpng versions before 1.5,
3276 which lack png_longjmp.])],
3282 AC_SUBST(PNG_CFLAGS)
3284 ### Use -ltiff if available, unless `--with-tiff=no'.
3285 ### mingw32 doesn't use -ltiff, since it loads the library dynamically.
3288 if test "${opsys}" = "mingw32"; then
3289 if test "${with_tiff}" != "no"; then
3290 AC_CHECK_HEADER(tiffio.h, HAVE_TIFF=yes, HAVE_TIFF=no)
3292 if test "${HAVE_TIFF}" = "yes"; then
3293 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3295 elif test "${HAVE_X11}" = "yes" || test "${HAVE_W32}" = "yes"; then
3296 if test "${with_tiff}" != "no"; then
3297 AC_CHECK_HEADER(tiffio.h,
3299 # At least one tiff package requires the jpeg library.
3300 if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
3301 AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
3304 if test "${HAVE_TIFF}" = "yes"; then
3305 AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
3306 dnl FIXME -lz -lm, as per libpng?
3312 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
3313 ### mingw32 doesn't use -lgif/-lungif, since it loads the library dynamically.
3316 if test "${opsys}" = "mingw32"; then
3317 if test "${with_gif}" != "no"; then
3318 AC_CHECK_HEADER(gif_lib.h, HAVE_GIF=yes, HAVE_GIF=no)
3320 if test "${HAVE_GIF}" = "yes"; then
3321 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3323 elif test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no" \
3324 || test "${HAVE_W32}" = "yes"; then
3325 AC_CHECK_HEADER(gif_lib.h,
3326 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
3327 # Earlier versions can crash Emacs, but version 5.0 removes EGifPutExtensionLast.
3328 [AC_CHECK_LIB(gif, GifMakeMapObject, HAVE_GIF=yes,
3329 [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=maybe)])])
3331 if test "$HAVE_GIF" = yes; then
3333 elif test "$HAVE_GIF" = maybe; then
3334 # If gif_lib.h but no libgif, try libungif.
3335 AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes, HAVE_GIF=no)
3336 test "$HAVE_GIF" = yes && LIBGIF=-lungif
3339 if test "${HAVE_GIF}" = "yes"; then
3340 AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif (or ungif) library.])
3345 dnl Check for required libraries.
3346 if test "${HAVE_X11}" = "yes"; then
3349 test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
3350 MISSING="libXpm" && WITH_NO="--with-xpm=no"
3351 test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
3352 MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
3353 test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
3354 MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
3355 test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
3356 MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
3357 test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
3358 MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
3360 if test "X${MISSING}" != X; then
3361 AC_MSG_ERROR([The following required libraries were not found:
3363 Maybe some development libraries/packages are missing?
3364 If you don't want to link with them give
3366 as options to configure])
3370 ### Use -lgpm if available, unless `--with-gpm=no'.
3373 if test "${with_gpm}" != "no"; then
3374 AC_CHECK_HEADER(gpm.h,
3375 [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
3377 if test "${HAVE_GPM}" = "yes"; then
3378 AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
3384 dnl Check for malloc/malloc.h on darwin
3385 AC_CHECK_HEADERS_ONCE(malloc/malloc.h)
3388 ### Use NeXTstep API to implement GUI.
3389 if test "${HAVE_NS}" = "yes"; then
3390 AC_DEFINE(HAVE_NS, 1, [Define to 1 if you are using the NeXTstep API, either GNUstep or Cocoa on Mac OS X.])
3391 if test "${NS_IMPL_COCOA}" = "yes"; then
3392 AC_DEFINE(NS_IMPL_COCOA, 1, [Define to 1 if you are using NS windowing under MacOS X.])
3394 if test "${NS_IMPL_GNUSTEP}" = "yes"; then
3395 AC_DEFINE(NS_IMPL_GNUSTEP, 1, [Define to 1 if you are using NS windowing under GNUstep.])
3396 # See also .m.o rule in Makefile.in */
3397 # FIXME: are all these flags really needed? Document here why. */
3398 GNUSTEP_CFLAGS="-D_REENTRANT -fPIC -fno-strict-aliasing -I${GNUSTEP_SYSTEM_HEADERS} ${GNUSTEP_LOCAL_HEADERS}"
3399 ## Extra CFLAGS applied to src/*.m files.
3400 GNU_OBJC_CFLAGS="$GNU_OBJC_CFLAGS -fgnu-runtime -Wno-import -fconstant-string-class=NSConstantString -DGNUSTEP_BASE_LIBRARY=1 -DGNU_GUI_LIBRARY=1 -DGNU_RUNTIME=1 -DGSWARN -DGSDIAGNOSE"
3405 ### Use session management (-lSM -lICE) if available
3408 if test "${HAVE_X11}" = "yes"; then
3409 AC_CHECK_HEADER(X11/SM/SMlib.h,
3410 [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
3412 if test "${HAVE_X_SM}" = "yes"; then
3413 AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
3419 ### Use XRandr (-lXrandr) if available
3421 if test "${HAVE_X11}" = "yes"; then
3422 XRANDR_REQUIRED=1.2.2
3423 XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
3424 EMACS_CHECK_MODULES([XRANDR], [$XRANDR_MODULES])
3425 if test $HAVE_XRANDR = no; then
3426 # Test old way in case pkg-config doesn't have it (older machines).
3427 # Include Xrender.h by hand to work around bug in older Xrandr.h
3428 # (e.g. RHEL5) and silence (harmless) configure warning (bug#18465).
3429 AC_CHECK_HEADER(X11/extensions/Xrandr.h,
3430 [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)],
3431 [], [AC_INCLUDES_DEFAULT
3432 #include <X11/extensions/Xrender.h>])
3433 if test $HAVE_XRANDR = yes; then
3434 XRANDR_LIBS=-lXrandr
3437 if test $HAVE_XRANDR = yes; then
3438 SAVE_CFLAGS="$CFLAGS"
3440 CFLAGS="$XRANDR_CFLAGS $CFLAGS"
3441 LIBS="$XRANDR_LIBS $LIBS"
3442 AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
3443 CFLAGS="$SAVE_CFLAGS"
3446 AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
3449 AC_SUBST(XRANDR_CFLAGS)
3450 AC_SUBST(XRANDR_LIBS)
3452 ### Use Xinerama (-lXinerama) if available
3454 if test "${HAVE_X11}" = "yes"; then
3455 XINERAMA_REQUIRED=1.0.2
3456 XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
3457 EMACS_CHECK_MODULES([XINERAMA], [$XINERAMA_MODULES])
3458 if test $HAVE_XINERAMA = no; then
3459 # Test old way in case pkg-config doesn't have it (older machines).
3460 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
3461 [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
3462 if test $HAVE_XINERAMA = yes; then
3463 XINERAMA_LIBS=-lXinerama
3466 if test $HAVE_XINERAMA = yes; then
3467 AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
3470 AC_SUBST(XINERAMA_CFLAGS)
3471 AC_SUBST(XINERAMA_LIBS)
3473 ### Use Xfixes (-lXfixes) if available
3475 if test "${HAVE_X11}" = "yes"; then
3476 XFIXES_REQUIRED=4.0.0
3477 XFIXES_MODULES="xfixes >= $XFIXES_REQUIRED"
3478 EMACS_CHECK_MODULES([XFIXES], [$XFIXES_MODULES])
3479 if test $HAVE_XFIXES = no; then
3480 # Test old way in case pkg-config doesn't have it (older machines).
3481 AC_CHECK_HEADER(X11/extensions/Xfixes.h,
3482 [AC_CHECK_LIB(Xfixes, XFixesHideCursor, HAVE_XFIXES=yes)])
3483 if test $HAVE_XFIXES = yes; then
3484 XFIXES_LIBS=-lXfixes
3487 if test $HAVE_XFIXES = yes; then
3488 AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if you have the Xfixes extension.])
3491 AC_SUBST(XFIXES_CFLAGS)
3492 AC_SUBST(XFIXES_LIBS)
3494 ### Use libxml (-lxml2) if available
3495 ### mingw32 doesn't use -lxml2, since it loads the library dynamically.
3497 if test "${with_xml2}" != "no"; then
3498 ### I'm not sure what the version number should be, so I just guessed.
3499 EMACS_CHECK_MODULES([LIBXML2], [libxml-2.0 > 2.6.17])
3500 # Built-in libxml2 on OS X 10.8 lacks libxml-2.0.pc.
3501 if test "${HAVE_LIBXML2}" != "yes" -a "$opsys" = "darwin"; then
3502 SAVE_CPPFLAGS="$CPPFLAGS"
3503 CPPFLAGS="$CPPFLAGS -I$xcsdkdir/usr/include/libxml2"
3504 AC_CHECK_HEADER(libxml/HTMLparser.h,
3505 [AC_CHECK_DECL(HTML_PARSE_RECOVER, HAVE_LIBXML2=yes, ,
3506 [#include <libxml/HTMLparser.h>])])
3507 CPPFLAGS="$SAVE_CPPFLAGS"
3508 if test "${HAVE_LIBXML2}" = "yes"; then
3509 LIBXML2_CFLAGS="-I'$xcsdkdir/usr/include/libxml2'"
3510 LIBXML2_LIBS="-lxml2"
3513 if test "${HAVE_LIBXML2}" = "yes"; then
3514 if test "${opsys}" != "mingw32"; then
3515 AC_CHECK_LIB(xml2, htmlReadMemory, HAVE_LIBXML2=yes, HAVE_LIBXML2=no
3520 if test "${HAVE_LIBXML2}" = "yes"; then
3521 AC_DEFINE(HAVE_LIBXML2, 1, [Define to 1 if you have the libxml library (-lxml2).])
3528 AC_SUBST(LIBXML2_LIBS)
3529 AC_SUBST(LIBXML2_CFLAGS)
3531 # If netdb.h doesn't declare h_errno, we must declare it by hand.
3532 # On MinGW, that is provided by nt/inc/sys/socket.h and w32.c.
3533 if test "${opsys}" = "mingw32"; then
3534 emacs_cv_netdb_declares_h_errno=yes
3536 AC_CACHE_CHECK(whether netdb declares h_errno,
3537 emacs_cv_netdb_declares_h_errno,
3538 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]],
3539 [[return h_errno;]])],
3540 emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
3541 if test $emacs_cv_netdb_declares_h_errno = yes; then
3542 AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
3545 # Check for mail-locking functions in a "mail" library. Probably this should
3546 # have the same check as for liblockfile below.
3547 AC_CHECK_LIB(mail, maillock, have_mail=yes, have_mail=no)
3548 if test $have_mail = yes; then
3550 AC_DEFINE(HAVE_LIBMAIL, 1, [Define to 1 if you have the `mail' library (-lmail).])
3553 LIBS="$LIBS_MAIL $LIBS"
3554 AC_CHECK_FUNCS(touchlock)
3559 dnl Debian, at least:
3560 AC_CHECK_LIB(lockfile, maillock, have_lockfile=yes, have_lockfile=no)
3561 if test $have_lockfile = yes; then
3562 LIBS_MAIL=-llockfile
3563 AC_DEFINE(HAVE_LIBLOCKFILE, 1, [Define to 1 if you have the `lockfile' library (-llockfile).])
3565 # If we have the shared liblockfile, assume we must use it for mail
3566 # locking (e.g. Debian). If we couldn't link against liblockfile
3567 # (no liblockfile.a installed), ensure that we don't need to.
3568 dnl This works for files generally, not just executables.
3569 dnl Should we look elsewhere for it? Maybe examine /etc/ld.so.conf?
3570 AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
3571 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
3572 if test $ac_cv_prog_liblockfile = yes; then
3573 AC_MSG_ERROR([Shared liblockfile found but can't link against it.
3574 This probably means that movemail could lose mail.
3575 There may be a `development' package to install containing liblockfile.])
3578 AC_CHECK_HEADERS_ONCE(maillock.h)
3581 ## Define MAIL_USE_FLOCK (or LOCKF) if the mailer uses flock (or lockf) to
3582 ## interlock access to the mail spool. The alternative is a lock file named
3583 ## /usr/spool/mail/$USER.lock.
3586 aix4-2) mail_lock="lockf" ;;
3588 gnu|freebsd|dragonfly|netbsd|openbsd|darwin|irix6-5) mail_lock="flock" ;;
3590 ## On GNU/Linux systems, both methods are used by various mail programs.
3591 ## I assume most people are using newer mailers that have heard of flock.
3592 ## Change this if you need to.
3593 ## Debian contains a patch which says: ``On Debian/GNU/Linux systems,
3594 ## configure gets the right answers, and that means *NOT* using flock.
3595 ## Using flock is guaranteed to be the wrong thing. See Debian Policy
3596 ## for details.'' and then uses `#ifdef DEBIAN'. Unfortunately the
3597 ## Debian maintainer hasn't provided a clean fix for Emacs.
3598 ## movemail.c will use `maillock' when MAILDIR, HAVE_LIBMAIL and
3599 ## HAVE_MAILLOCK_H are defined, so the following appears to be the
3600 ## correct logic. -- fx
3601 ## We must check for HAVE_LIBLOCKFILE too, as movemail does.
3602 ## liblockfile is a Free Software replacement for libmail, used on
3603 ## Debian systems and elsewhere. -rfr.
3606 if test $have_mail = yes || test $have_lockfile = yes; then
3607 test $ac_cv_header_maillock_h = yes && mail_lock=no
3612 mail_lock="none-needed" ;;
3616 case "$mail_lock" in
3617 flock) AC_DEFINE(MAIL_USE_FLOCK, 1, [Define if the mailer uses flock to interlock the mail spool.]) ;;
3619 lockf) AC_DEFINE(MAIL_USE_LOCKF, 1, [Define if the mailer uses lockf to interlock the mail spool.]) ;;
3623 *) BLESSMAIL_TARGET="need-blessmail" ;;
3625 AC_SUBST(BLESSMAIL_TARGET)
3628 LIBS="$LIB_PTHREAD $LIB_MATH $LIBS"
3629 AC_CHECK_FUNCS(accept4 fchdir gethostname \
3630 getrusage get_current_dir_name \
3631 lrand48 random rint \
3632 select getpagesize setlocale newlocale \
3633 getrlimit setrlimit shutdown getaddrinfo \
3634 pthread_sigmask strsignal setitimer \
3635 sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
3637 getpwent endpwent getgrent endgrent \
3638 cfmakeraw cfsetspeed copysign __executable_start log2)
3641 dnl No need to check for aligned_alloc and posix_memalign if using
3642 dnl gmalloc.o, as it supplies them, unless we're using hybrid_malloc.
3643 dnl Don't use these functions on Darwin as they are incompatible with
3645 if (test -z "$GMALLOC_OBJ" || test "$hybrid_malloc" = yes) \
3646 && test "$opsys" != darwin; then
3647 AC_CHECK_FUNCS([aligned_alloc posix_memalign], [break])
3650 dnl Cannot use AC_CHECK_FUNCS
3651 AC_CACHE_CHECK([for __builtin_unwind_init],
3652 emacs_cv_func___builtin_unwind_init,
3653 [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_unwind_init ();])],
3654 emacs_cv_func___builtin_unwind_init=yes,
3655 emacs_cv_func___builtin_unwind_init=no)])
3656 if test $emacs_cv_func___builtin_unwind_init = yes; then
3657 AC_DEFINE(HAVE___BUILTIN_UNWIND_INIT, 1,
3658 [Define to 1 if you have the `__builtin_unwind_init' function.])
3661 AC_CHECK_HEADERS_ONCE(sys/un.h)
3666 AC_CHECK_FUNCS(grantpt)
3668 # PTY-related GNU extensions.
3669 AC_CHECK_FUNCS(getpt posix_openpt)
3671 # Check this now, so that we will NOT find the above functions in ncurses.
3672 # That is because we have not set up to link ncurses in lib-src.
3673 # It's better to believe a function is not available
3674 # than to expect to find it in ncurses.
3675 # Also we need tputs and friends to be able to build at all.
3676 AC_MSG_CHECKING([for library containing tputs])
3677 # Run a test program that contains a call to tputs, a call that is
3678 # never executed. This tests whether a pre-'main' dynamic linker
3679 # works with the library. It's too much trouble to actually call
3680 # tputs in the test program, due to portability hassles. When
3681 # cross-compiling, assume the test program will run if it links.
3682 AC_DEFUN([tputs_link_source], [
3684 [[extern void tputs (const char *, int, int (*)(int));
3685 int main (int argc, char **argv)
3688 tputs (argv[0], 0, 0);
3692 if test "${opsys}" = "mingw32"; then
3695 # Maybe curses should be tried earlier?
3696 # See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
3697 for tputs_library in '' tinfo ncurses terminfo termcap curses; do
3699 if test -z "$tputs_library"; then
3703 LIBS_TERMCAP=-l$tputs_library
3705 LIBS="$LIBS_TERMCAP $LIBS"
3707 AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
3708 [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
3710 if test "X$msg" != Xno; then
3715 AC_MSG_RESULT([$msg])
3716 if test "X$msg" = Xno; then
3717 AC_MSG_ERROR([The required function `tputs' was not found in any library.
3718 The following libraries were tried (in order):
3719 libtinfo, libncurses, libterminfo, libtermcap, libcurses
3720 Please try installing whichever of these libraries is most appropriate
3721 for your system, together with its header files.
3722 For example, a libncurses-dev(el) or similar package.])
3725 ## Use termcap instead of terminfo?
3726 ## Only true for: freebsd < 40000, ms-w32, msdos, netbsd < 599002500.
3728 ## FIXME? In the cases below where we unconditionally set
3729 ## LIBS_TERMCAP="-lncurses", this overrides LIBS_TERMCAP = -ltinfo,
3730 ## if that was found above to have tputs.
3731 ## Should we use the gnu* logic everywhere?
3733 ## darwin: Prevents crashes when running Emacs in Terminal.app under 10.2.
3734 ## The ncurses library has been moved out of the System framework in
3735 ## Mac OS X 10.2. So if configure detects it, set the command-line
3736 ## option to use it.
3737 darwin) LIBS_TERMCAP="-lncurses" ;;
3739 gnu*) test -z "$LIBS_TERMCAP" && LIBS_TERMCAP="-lncurses" ;;
3742 AC_MSG_CHECKING([whether FreeBSD is new enough to use terminfo])
3743 AC_CACHE_VAL(emacs_cv_freebsd_terminfo,
3744 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <osreldate.h>]],
3745 [[#if __FreeBSD_version < 400000
3748 ]])], emacs_cv_freebsd_terminfo=yes, emacs_cv_freebsd_terminfo=no)])
3750 AC_MSG_RESULT($emacs_cv_freebsd_terminfo)
3752 if test $emacs_cv_freebsd_terminfo = yes; then
3753 LIBS_TERMCAP="-lncurses"
3756 LIBS_TERMCAP="-ltermcap"
3766 if test "x$LIBS_TERMCAP" != "x-lterminfo"; then
3768 LIBS_TERMCAP="-ltermcap"
3772 openbsd | dragonfly) LIBS_TERMCAP="-lncurses" ;;
3774 ## hpux: Make sure we get select from libc rather than from libcurses
3775 ## because libcurses on HPUX 10.10 has a broken version of select.
3776 ## We used to use -lc -lcurses, but this may be cleaner.
3777 ## FIXME? But TERMINFO = yes on hpux (it used to be explicitly
3778 # set that way, now it uses the default). Isn't this a contradiction?
3779 hpux*) LIBS_TERMCAP="-ltermcap" ;;
3783 TERMCAP_OBJ=tparam.o
3784 if test $TERMINFO = yes; then
3785 AC_DEFINE(TERMINFO, 1, [Define to 1 if you use terminfo instead of termcap.])
3786 TERMCAP_OBJ=terminfo.o
3788 if test "X$LIBS_TERMCAP" = "X-lncurses"; then
3789 AC_DEFINE(USE_NCURSES, 1, [Define to 1 if you use ncurses.])
3791 AC_SUBST(LIBS_TERMCAP)
3792 AC_SUBST(TERMCAP_OBJ)
3794 # GNU/Linux-specific timer functions.
3795 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
3797 [AC_LANG_PROGRAM([[#include <sys/timerfd.h>
3799 [[timerfd_create (CLOCK_REALTIME,
3800 TFD_CLOEXEC | TFD_NONBLOCK);
3801 timerfd_settime (0, TFD_TIMER_ABSTIME, 0, 0);]])],
3802 [emacs_cv_have_timerfd=yes],
3803 [emacs_cv_have_timerfd=no])])
3804 if test "$emacs_cv_have_timerfd" = yes; then
3805 AC_DEFINE([HAVE_TIMERFD], 1,
3806 [Define to 1 if timerfd functions are supported as in GNU/Linux.])
3809 # Alternate stack for signal handlers.
3810 AC_CACHE_CHECK([whether signals can be handled on alternate stack],
3811 [emacs_cv_alternate_stack],
3813 [AC_LANG_PROGRAM([[#include <signal.h>
3816 struct sigaction sa;
3817 ss.ss_sp = malloc (SIGSTKSZ);
3818 ss.ss_size = SIGSTKSZ;
3819 sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
3820 sigaltstack (&ss, 0);
3821 sigaction (SIGSEGV, &sa, 0);]])],
3822 [emacs_cv_alternate_stack=yes],
3823 [emacs_cv_alternate_stack=no])])
3825 # Do we have res_init, for detecting changes in /etc/resolv.conf?
3826 # On Darwin, res_init appears not to be useful: see bug#562 and
3827 # http://lists.gnu.org/archive/html/emacs-devel/2007-11/msg01467.html
3830 if test $opsys != darwin; then
3832 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3833 #include <arpa/nameser.h>
3834 #include <resolv.h>]],
3835 [[return res_init();]])],
3836 have_res_init=yes, have_res_init=no)
3837 if test "$have_res_init" = no; then
3839 LIBS="$LIBS -lresolv"
3840 AC_MSG_CHECKING(for res_init with -lresolv)
3841 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>
3842 #include <arpa/nameser.h>
3843 #include <resolv.h>]],
3844 [[return res_init();]])],
3845 have_res_init=yes, have_res_init=no)
3846 AC_MSG_RESULT($have_res_init)
3847 if test "$have_res_init" = yes ; then
3853 if test "$have_res_init" = yes; then
3854 AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
3858 # Do we need the Hesiod library to provide the support routines?
3859 dnl FIXME? Should we be skipping this on Darwin too?
3861 if test "$with_hesiod" != no ; then
3862 # Don't set $LIBS here -- see comments above. FIXME which comments?
3863 AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
3864 [AC_CHECK_LIB(resolv, res_send, resolv=yes,
3865 [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
3866 if test "$resolv" = yes ; then
3871 AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
3872 hesiod=yes, :, $RESOLVLIB)])
3874 if test x"$hesiod" = xyes; then
3880 # Do we need libresolv (due to res_init or Hesiod)?
3881 if test "$resolv" = yes && test $opsys != darwin; then
3888 # These tell us which Kerberos-related libraries to use.
3895 if test "${with_kerberos}" != no; then
3897 AC_CHECK_LIB(com_err, com_err, have_com_err=yes, have_com_err=no)
3898 if test $have_com_err = yes; then
3899 COM_ERRLIB=-lcom_err
3900 LIBS="$COM_ERRLIB $LIBS"
3902 AC_CHECK_LIB(crypto, mit_des_cbc_encrypt, have_crypto=yes, have_crypto=no)
3903 if test $have_crypto = yes; then
3905 LIBS="$CRYPTOLIB $LIBS"
3907 AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt, have_k5crypto=yes, have_k5crypto=no)
3908 if test $have_k5crypto = yes; then
3909 CRYPTOLIB=-lk5crypto
3910 LIBS="$CRYPTOLIB $LIBS"
3912 AC_CHECK_LIB(krb5, krb5_init_context, have_krb5=yes, have_krb5=no)
3913 if test $have_krb5=yes; then
3915 LIBS="$KRB5LIB $LIBS"
3917 dnl FIXME Simplify. Does not match 22 logic, thanks to default_off?
3918 if test "${with_kerberos5}" = no; then
3919 AC_CHECK_LIB(des425, des_cbc_encrypt, have_des425=yes, have_des425=no )
3920 if test $have_des425 = yes; then
3922 LIBS="$DESLIB $LIBS"
3924 AC_CHECK_LIB(des, des_cbc_encrypt, have_des=yes, have_des=no)
3925 if test $have_des = yes; then
3927 LIBS="$DESLIB $LIBS"
3930 AC_CHECK_LIB(krb4, krb_get_cred, have_krb4=yes, have_krb4=no)
3931 if test $have_krb4 = yes; then
3933 LIBS="$KRB4LIB $LIBS"
3935 AC_CHECK_LIB(krb, krb_get_cred, have_krb=yes, have_krb=no)
3936 if test $have_krb = yes; then
3938 LIBS="$KRB4LIB $LIBS"
3943 if test "${with_kerberos5}" != no; then
3944 AC_CHECK_HEADERS(krb5.h,
3945 [AC_CHECK_MEMBERS([krb5_error.text, krb5_error.e_text],,,
3946 [#include <krb5.h>])])
3948 AC_CHECK_HEADERS(krb.h,,
3949 [AC_CHECK_HEADERS(kerberosIV/krb.h,,
3950 [AC_CHECK_HEADERS(kerberos/krb.h)])])
3952 AC_CHECK_HEADERS(com_err.h)
3956 AC_SUBST(COM_ERRLIB)
3962 AC_CHECK_HEADERS(valgrind/valgrind.h)
3964 AC_CHECK_FUNCS_ONCE(tzalloc tzset)
3967 AC_CHECK_FUNC(socket, , ok_so_far=no)
3968 if test $ok_so_far = yes; then
3969 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
3971 if test $ok_so_far = yes; then
3972 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
3974 if test $ok_so_far = yes; then
3975 dnl Fixme: Not used. Should this be HAVE_SOCKETS?
3976 AC_DEFINE(HAVE_INET_SOCKETS, 1,
3977 [Define to 1 if you have inet sockets.])
3982 AC_CHECK_FUNCS(snprintf)
3984 dnl Check for glib. This differs from other library checks in that
3985 dnl Emacs need not link to glib unless some other library is already
3986 dnl linking to glib. Although glib provides no facilities that Emacs
3987 dnl needs for its own purposes, when glib is present Emacs needs to
3988 dnl use primitives like g_main_context_query to avoid clashing with
3989 dnl glib at a low level.
3991 dnl Check this late, since it depends on $GTK_CFLAGS etc.
3995 CFLAGS="$CFLAGS $GTK_CFLAGS $RSVG_CFLAGS $DBUS_CFLAGS $SETTINGS_CFLAGS"
3996 LIBS="$LIBS $GTK_LIBS $RSVG_LIBS $DBUS_LIBS $SETTINGS_LIBS"
3997 CFLAGS="$CFLAGS $GFILENOTIFY_CFLAGS"
3998 LIBS="$LIBS $GFILENOTIFY_LIBS"
3999 AC_MSG_CHECKING([whether GLib is linked in])
4000 AC_LINK_IFELSE([AC_LANG_PROGRAM(
4003 [[g_print ("Hello world");]])],
4006 AC_MSG_RESULT([$links_glib])
4007 if test "${links_glib}" = "yes"; then
4008 AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
4009 if test "$HAVE_NS" = no;then
4017 dnl Adapted from Haible's version.
4018 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
4019 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
4020 [[char* cs = nl_langinfo(CODESET);]])],
4021 emacs_cv_langinfo_codeset=yes,
4022 emacs_cv_langinfo_codeset=no)
4024 if test $emacs_cv_langinfo_codeset = yes; then
4025 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
4026 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
4031 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
4032 dnl how the tty code is related to POSIX and/or other versions of termios.
4033 dnl The following looks like a useful start.
4035 dnl AC_SYS_POSIX_TERMIOS
4036 dnl if test $ac_cv_sys_posix_termios = yes; then
4037 dnl AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
4038 dnl and macros for terminal control.])
4039 dnl AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
4042 dnl Turned on June 1996 supposing nobody will mind it.
4043 dnl MinGW emulates passwd database, so this feature doesn't make sense there.
4044 if test "${opsys}" != "mingw32"; then
4045 AC_DEFINE(AMPERSAND_FULL_NAME, 1, [Define to use the convention that &
4046 in the full name stands for the login id.])
4049 dnl Everybody supports this, except MS.
4050 dnl Seems like the kind of thing we should be testing for, though.
4051 ## Note: PTYs are broken on darwin <6. Use at your own risk.
4052 if test "${opsys}" != "mingw32"; then
4053 AC_DEFINE(HAVE_PTYS, 1, [Define if the system supports pty devices.])
4056 dnl Everybody supports this, except MS-DOS.
4057 dnl Seems like the kind of thing we should be testing for, though.
4058 dnl Compare with HAVE_INET_SOCKETS (which is unused...) above.
4059 AC_DEFINE(HAVE_SOCKETS, 1, [Define if the system supports
4060 4.2-compatible sockets.])
4062 AH_TEMPLATE(INTERNAL_TERMINAL, [This is substituted when $TERM is "internal".])
4064 AH_TEMPLATE(NULL_DEVICE, [Name of the file to open to get
4065 a null file, or a data sink.])
4066 if test "${opsys}" = "mingw32"; then
4067 AC_DEFINE(NULL_DEVICE, ["NUL:"])
4069 AC_DEFINE(NULL_DEVICE, ["/dev/null"])
4072 if test "${opsys}" = "mingw32"; then
4077 AC_DEFINE_UNQUOTED(SEPCHAR, ['$SEPCHAR'], [Character that separates PATH elements.])
4078 dnl This is for MinGW, and is used in test/automated/Makefile.in.
4079 dnl The MSYS Bash has heuristics for replacing ':' with ';' when it
4080 dnl decides that a command-line argument to be passed to a MinGW program
4081 dnl is a PATH-style list of directories. But that heuristics plays it
4082 dnl safe, and only does the replacement when it is _absolutely_ sure it
4083 dnl sees a colon-separated list of file names; e.g. ":." is left alone,
4084 dnl which breaks in-tree builds. So we do this manually instead.
4085 dnl Note that we cannot rely on PATH_SEPARATOR, as that one will always
4086 dnl be computed as ':' in MSYS Bash.
4089 dnl Everybody supports this, except MS-DOS.
4090 AC_DEFINE(subprocesses, 1, [Define to enable asynchronous subprocesses.])
4092 AC_DEFINE(USER_FULL_NAME, [pw->pw_gecos], [How to get a user's full name.])
4095 AC_DEFINE(DIRECTORY_SEP, ['/'],
4096 [Character that separates directories in a file name.])
4098 if test "${opsys}" = "mingw32"; then
4099 AC_DEFINE(IS_DEVICE_SEP(_c_), [((_c_) == ':')],
4100 [Returns true if character is a device separator.])
4102 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == '/' || (_c_) == '\\')],
4103 [Returns true if character is a directory separator.])
4105 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP(_c_))],
4106 [Returns true if character is any form of separator.])
4108 AC_DEFINE(IS_DEVICE_SEP(_c_), 0,
4109 [Returns true if character is a device separator.])
4111 AC_DEFINE(IS_DIRECTORY_SEP(_c_), [((_c_) == DIRECTORY_SEP)],
4112 [Returns true if character is a directory separator.])
4114 AC_DEFINE(IS_ANY_SEP(_c_), [(IS_DIRECTORY_SEP (_c_))],
4115 [Returns true if character is any form of separator.])
4118 AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
4122 dnl Unfortunately without libXmu we cannot support EditRes.
4123 if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
4124 AC_DEFINE(NO_EDITRES, 1)
4129 dnl Assar Westerlund <assar@sics.se> says this is necessary for
4130 dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
4131 AC_DEFINE(NO_EDITRES, 1)
4137 irix6-5 | sol2* | unixware )
4138 dnl Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
4139 dnl instead, there's a system variable _sys_nsig. Unfortunately, we
4140 dnl need the constant to dimension an array. So wire in the appropriate
4142 AC_DEFINE(NSIG_MINIMUM, 32, [Minimum value of NSIG.])
4146 emacs_broken_SIGIO=no
4149 dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
4150 dnl See eg <http://article.gmane.org/gmane.os.openbsd.ports/46831>.
4151 hpux* | irix6-5 | openbsd | sol2* | unixware )
4152 emacs_broken_SIGIO=yes
4156 dnl On AIX Emacs uses the gmalloc.c malloc implementation. But given
4157 dnl the way this system works, libc functions that return malloced
4158 dnl memory use the libc malloc implementation. Calling xfree or
4159 dnl xrealloc on the results of such functions results in a crash.
4161 dnl One solution for this could be to define SYSTEM_MALLOC in configure,
4162 dnl but that does not currently work on this system.
4164 dnl It is possible to completely override the malloc implementation on
4165 dnl AIX, but that involves putting the malloc functions in a shared
4166 dnl library and setting the MALLOCTYPE environment variable to point to
4167 dnl that shared library.
4169 dnl Emacs currently calls xrealloc on the results of get_current_dir name,
4170 dnl to avoid a crash just use the Emacs implementation for that function.
4172 dnl FIXME We could change the AC_CHECK_FUNCS call near the start
4173 dnl of this file, so that we do not check for get_current_dir_name
4174 dnl on AIX. But that might be fragile if something else ends
4175 dnl up testing for get_current_dir_name as a dependency.
4176 AC_DEFINE(BROKEN_GET_CURRENT_DIR_NAME, 1, [Define if
4177 get_current_dir_name should not be used.])
4181 dnl Circumvent a bug in FreeBSD. In the following sequence of
4182 dnl writes/reads on a PTY, read(2) returns bogus data:
4184 dnl write(2) 1022 bytes
4185 dnl write(2) 954 bytes, get EAGAIN
4186 dnl read(2) 1024 bytes in process_read_output
4187 dnl read(2) 11 bytes in process_read_output
4189 dnl That is, read(2) returns more bytes than have ever been written
4190 dnl successfully. The 1033 bytes read are the 1022 bytes written
4191 dnl successfully after processing (for example with CRs added if the
4192 dnl terminal is set up that way which it is here). The same bytes will
4193 dnl be seen again in a later read(2), without the CRs.
4194 AC_DEFINE(BROKEN_PTY_READ_AFTER_EAGAIN, 1, [Define on FreeBSD to
4195 work around an issue when reading from a PTY.])
4201 dnl FIXME Can't we test if this exists (eg /proc/$$)?
4202 AC_DEFINE(HAVE_PROCFS, 1, [Define if you have the /proc filesystem.])
4207 darwin | dragonfly | freebsd | netbsd | openbsd )
4208 AC_DEFINE(DONT_REOPEN_PTY, 1, [Define if process.c does not need to
4209 close a pty to make it a controlling terminal (it is already a
4210 controlling terminal of the subprocess, because we did ioctl TIOCSCTTY).])
4214 dnl FIXME Surely we can test for this rather than hard-code it.
4216 netbsd | openbsd) sound_device="/dev/audio" ;;
4217 *) sound_device="/dev/dsp" ;;
4221 AC_DEFINE_UNQUOTED(DEFAULT_SOUND_DEVICE, "$sound_device",
4222 [Name of the default sound device.])
4225 dnl Emacs can read input using SIGIO and buffering characters itself,
4226 dnl or using CBREAK mode and making C-g cause SIGINT.
4227 dnl The choice is controlled by the variable interrupt_input.
4229 dnl Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
4231 dnl Emacs uses the presence of the USABLE_SIGIO macro
4232 dnl to indicate whether or not signal-driven I/O is possible. It uses
4233 dnl INTERRUPT_INPUT to decide whether to use it by default.
4235 dnl SIGIO can be used only on systems that implement it (4.2 and 4.3).
4236 dnl CBREAK mode has two disadvantages
4237 dnl 1) At least in 4.2, it is impossible to handle the Meta key properly.
4238 dnl I hear that in system V this problem does not exist.
4239 dnl 2) Control-G causes output to be discarded.
4240 dnl I do not know whether this can be fixed in system V.
4242 dnl Another method of doing input is planned but not implemented.
4243 dnl It would have Emacs fork off a separate process
4244 dnl to read the input and send it to the true Emacs process
4247 darwin | gnu-linux | gnu-kfreebsd )
4248 AC_DEFINE(INTERRUPT_INPUT, 1, [Define to read input using SIGIO.])
4253 dnl If the system's imake configuration file defines `NeedWidePrototypes'
4254 dnl as `NO', we must define NARROWPROTO manually. Such a define is
4255 dnl generated in the Makefile generated by `xmkmf'. If we don't define
4256 dnl NARROWPROTO, we will see the wrong function prototypes for X functions
4257 dnl taking float or double parameters.
4259 cygwin|gnu|gnu-linux|gnu-kfreebsd|irix6-5|freebsd|netbsd|openbsd)
4260 AC_DEFINE(NARROWPROTO, 1, [Define if system's imake configuration
4261 file defines `NeedWidePrototypes' as `NO'.])
4266 dnl Used in process.c, this must be a loop, even if it only runs once.
4267 dnl (Except on SGI; see below. Take that, clarity and consistency!)
4268 AH_TEMPLATE(PTY_ITERATION, [How to iterate over PTYs.])
4269 dnl Only used if !PTY_ITERATION. Iterate from FIRST_PTY_LETTER to z,
4270 dnl trying suffixes 0-16.
4271 AH_TEMPLATE(FIRST_PTY_LETTER, [Letter to use in finding device name of
4272 first PTY, if PTYs are supported.])
4273 AH_TEMPLATE(PTY_OPEN, [How to open a PTY, if non-standard.])
4274 AH_TEMPLATE(PTY_NAME_SPRINTF, [How to get the device name of the control
4275 end of a PTY, if non-standard.])
4276 AH_TEMPLATE(PTY_TTY_NAME_SPRINTF, [How to get device name of the tty
4277 end of a PTY, if non-standard.])
4281 AC_DEFINE(PTY_ITERATION, [int c; for (c = 0; !c ; c++)])
4282 dnl You allocate a pty by opening /dev/ptc to get the master side.
4283 dnl To get the name of the slave side, you just ttyname() the master side.
4284 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptc");])
4285 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [strcpy (pty_name, ttyname (fd));])
4289 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4290 dnl multi-line AC_DEFINEs are hard. :(
4291 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)])
4292 AC_DEFINE(PTY_NAME_SPRINTF, [])
4293 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4296 dnl FIXME? Maybe use same as freebsd - see bug#12040.
4298 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4299 dnl Not used, because PTY_ITERATION is defined.
4300 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4301 dnl Note that openpty may fork via grantpt on Mac OS X 10.4/Darwin 8.
4302 dnl But we don't have to block SIGCHLD because it is blocked in the
4303 dnl implementation of grantpt.
4304 AC_DEFINE(PTY_OPEN, [ do { int slave; if (openpty (&fd, &slave, pty_name, NULL, NULL) == -1) fd = -1; else emacs_close (slave); } while (false)])
4305 AC_DEFINE(PTY_NAME_SPRINTF, [])
4306 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4310 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4313 gnu-linux | gnu-kfreebsd | dragonfly | freebsd | netbsd )
4315 if test "x$ac_cv_func_grantpt" = xyes; then
4316 AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
4317 AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
4318 dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
4319 dnl to prevent sigchld_handler from intercepting the child's death.
4320 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); }])
4321 dnl if HAVE_POSIX_OPENPT
4322 if test "x$ac_cv_func_posix_openpt" = xyes; then
4323 AC_DEFINE(PTY_OPEN, [do { fd = posix_openpt (O_RDWR | O_CLOEXEC | O_NOCTTY); if (fd < 0 && errno == EINVAL) fd = posix_openpt (O_RDWR | O_NOCTTY); } while (false)])
4324 AC_DEFINE(PTY_NAME_SPRINTF, [])
4326 elif test "x$ac_cv_func_getpt" = xyes; then
4327 AC_DEFINE(PTY_OPEN, [fd = getpt ()])
4328 AC_DEFINE(PTY_NAME_SPRINTF, [])
4330 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4333 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4338 AC_DEFINE(FIRST_PTY_LETTER, ['p'])
4339 AC_DEFINE(PTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/ptym/pty%c%x", c, i);])
4340 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [sprintf (pty_name, "/dev/pty/tty%c%x", c, i);])
4344 dnl It looks like this cannot be right, because it is not a loop.
4345 dnl However, process.c actually does this:
4351 dnl which presumably makes it OK, since irix == sgi (?).
4352 dnl FIXME it seems like this special treatment is unnecessary?
4353 dnl Why can't irix use a single-trip loop like eg cygwin?
4354 AC_DEFINE(PTY_ITERATION, [])
4355 dnl Not used, because PTY_ITERATION is defined.
4356 AC_DEFINE(FIRST_PTY_LETTER, ['q'])
4357 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); }])
4358 dnl No need to get the pty name at all.
4359 AC_DEFINE(PTY_NAME_SPRINTF, [])
4360 dnl No need to use sprintf to get the tty name--we get that from _getpty.
4361 AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
4365 dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
4366 dnl from intercepting that death. If any child but grantpt's should die
4367 dnl within, it should be caught after sigrelse(2).
4368 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); }])
4372 dnl Comments are as per sol2*.
4373 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); }])
4380 dnl This change means that we don't loop through allocate_pty too
4381 dnl many times in the (rare) event of a failure.
4382 AC_DEFINE(FIRST_PTY_LETTER, ['z'])
4383 AC_DEFINE(PTY_NAME_SPRINTF, [strcpy (pty_name, "/dev/ptmx");])
4384 dnl Push various streams modules onto a PTY channel. Used in process.c.
4385 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.])
4390 AH_TEMPLATE(SIGNALS_VIA_CHARACTERS, [Make process_send_signal work by
4391 "typing" a signal character on the pty.])
4394 dnl Perry Smith <pedz@ddivt1.austin.ibm.com> says this is correct for AIX.
4395 dnl thomas@mathematik.uni-bremen.de says this is needed for IRIX.
4396 aix4-2 | cygwin | gnu | irix6-5 | dragonfly | freebsd | netbsd | openbsd | darwin )
4397 AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4400 dnl 21 Jun 06: Eric Hanchrow <offby1@blarg.net> says this works.
4401 dnl FIXME Does gnu-kfreebsd have linux/version.h? It seems unlikely...
4402 gnu-linux | gnu-kfreebsd )
4404 AC_MSG_CHECKING([for signals via characters])
4405 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4406 #include <linux/version.h>
4407 #if LINUX_VERSION_CODE < 0x20400
4408 # error "Linux version too old"
4410 ]], [[]])], emacs_signals_via_chars=yes, emacs_signals_via_chars=no)
4412 AC_MSG_RESULT([$emacs_signals_via_chars])
4413 test $emacs_signals_via_chars = yes && AC_DEFINE(SIGNALS_VIA_CHARACTERS, 1)
4418 AH_TEMPLATE(TAB3, [Undocumented.])
4421 darwin) AC_DEFINE(TAB3, OXTABS) ;;
4423 gnu | dragonfly | freebsd | netbsd | openbsd )
4424 AC_DEFINE(TABDLY, OXTABS, [Undocumented.])
4425 AC_DEFINE(TAB3, OXTABS)
4428 gnu-linux | gnu-kfreebsd )
4429 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4433 ]], [[]])], AC_DEFINE(GC_MARK_SECONDARY_STACK(),
4434 [do { extern void *__libc_ia64_register_backing_store_base; __builtin_ia64_flushrs (); mark_memory (__libc_ia64_register_backing_store_base, __builtin_ia64_bsp ());} while (false)],
4435 [Mark a secondary stack, like the register stack on the ia64.]), [])
4439 AC_DEFINE(RUN_TIME_REMAP, 1, [Define if emacs.c needs to call
4440 run_time_remap; for HPUX.])
4445 dnl This won't be used automatically yet. We also need to know, at least,
4446 dnl that the stack is continuous.
4447 AH_TEMPLATE(GC_SETJMP_WORKS, [Define if setjmp is known to save all
4448 registers relevant for conservative garbage collection in the jmp_buf.])
4452 dnl Not all the architectures are tested, but there are Debian packages
4453 dnl for SCM and/or Guile on them, so the technique must work. See also
4454 dnl comments in alloc.c concerning setjmp and gcc.
4455 dnl Fixme: it's probably safe to just use the GCC conditional below.
4456 gnu-linux | gnu-kfreebsd )
4457 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4458 #if defined __i386__ || defined __sparc__ || defined __mc68000__ \
4459 || defined __alpha__ || defined __mips__ || defined __s390__ \
4460 || defined __arm__ || defined __powerpc__ || defined __amd64__ \
4461 || defined __ia64__ || defined __sh__
4464 # error "setjmp not known to work on this arch"
4466 ]], [[]])], AC_DEFINE(GC_SETJMP_WORKS, 1))
4471 if test x$GCC = xyes; then
4472 dnl GC_SETJMP_WORKS is nearly always appropriate for GCC.
4473 AC_DEFINE(GC_SETJMP_WORKS, 1)
4476 dnl irix: Tested on Irix 6.5. SCM worked on earlier versions.
4477 aix* | dragonfly | freebsd | netbsd | openbsd | irix6-5 | sol2* )
4478 AC_DEFINE(GC_SETJMP_WORKS, 1)
4483 dnl In a weird quirk, MS runtime uses _setjmp and longjmp.
4484 AC_CACHE_CHECK([for _setjmp], [emacs_cv_func__setjmp],
4487 [[#include <setjmp.h>
4489 # define _longjmp longjmp
4494 _longjmp (j, 1);]])],
4495 [emacs_cv_func__setjmp=yes],
4496 [emacs_cv_func__setjmp=no])])
4497 if test $emacs_cv_func__setjmp = yes; then
4498 AC_DEFINE([HAVE__SETJMP], 1, [Define to 1 if _setjmp and _longjmp work.])
4501 # We need to preserve signal mask to handle C stack overflows.
4502 AC_CACHE_CHECK([for sigsetjmp], [emacs_cv_func_sigsetjmp],
4505 [[#include <setjmp.h>
4508 if (! sigsetjmp (j, 1))
4509 siglongjmp (j, 1);]])],
4510 [emacs_cv_func_sigsetjmp=yes],
4511 [emacs_cv_func_sigsetjmp=no])])
4512 if test $emacs_cv_func_sigsetjmp = yes; then
4513 AC_DEFINE([HAVE_SIGSETJMP], 1,
4514 [Define to 1 if sigsetjmp and siglongjmp work.])
4517 # We need all of these features to handle C stack overflows.
4518 if test "$ac_cv_header_sys_resource_h" = "yes" -a \
4519 "$ac_cv_func_getrlimit" = "yes" -a \
4520 "$emacs_cv_func_sigsetjmp" = "yes" -a \
4521 "$emacs_cv_alternate_stack" = yes; then
4522 AC_DEFINE([HAVE_STACK_OVERFLOW_HANDLING], 1,
4523 [Define to 1 if C stack overflow can be handled in some cases.])
4528 dnl TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
4529 dnl subprocesses the usual way. But TIOCSIGNAL does work for PTYs,
4530 dnl and this is all we need.
4531 AC_DEFINE(TIOCSIGSEND, TIOCSIGNAL, [Some platforms redefine this.])
4538 dnl Used in xfaces.c.
4539 AC_DEFINE(XOS_NEEDS_TIME_H, 1, [Compensate for a bug in Xos.h on
4540 some systems, where it requires time.h.])
4545 dnl Define symbols to identify the version of Unix this is.
4546 dnl Define all the symbols that apply correctly.
4547 AH_TEMPLATE(DOS_NT, [Define if the system is MS DOS or MS Windows.])
4548 AH_TEMPLATE(MSDOS, [Define if the system is MS DOS.])
4549 AH_TEMPLATE(USG, [Define if the system is compatible with System III.])
4550 AH_TEMPLATE(USG5_4, [Define if the system is compatible with System V Release 4.])
4555 dnl This symbol should be defined on AIX Version 3 ???????
4556 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([[
4558 # error "_AIX not defined"
4560 ]], [[]])], [], AC_DEFINE(_AIX, [], [Define if the system is AIX.]))
4564 AC_DEFINE(CYGWIN, 1, [Define if the system is Cygwin.])
4568 dnl Not __APPLE__, as this may not be defined on non-OSX Darwin.
4569 dnl Not DARWIN, because Panther and lower CoreFoundation.h use DARWIN to
4570 dnl distinguish OS X from pure Darwin.
4571 AC_DEFINE(DARWIN_OS, [], [Define if the system is Darwin.])
4574 gnu-linux | gnu-kfreebsd )
4576 AC_DEFINE(GNU_LINUX, [], [Define if ths system is compatible with GNU/Linux.])
4581 AC_DEFINE(HPUX, [], [Define if the system is HPUX.])
4586 AC_DEFINE(USG5_4, [])
4587 AC_DEFINE(IRIX6_5, [], [Define if the system is IRIX.])
4591 AC_DEFINE(DOS_NT, [])
4592 AC_DEFINE(WINDOWSNT, 1, [Define if compiling for native MS Windows.])
4593 if test "x$ac_enable_checking" != "x" ; then
4594 AC_DEFINE(EMACSDEBUG, 1, [Define to 1 to enable w32 debug facilities.])
4600 AC_DEFINE(USG5_4, [])
4601 AC_DEFINE(SOLARIS2, [], [Define if the system is Solaris.])
4606 AC_DEFINE(USG5_4, [])
4610 AC_CACHE_CHECK([for usable FIONREAD], [emacs_cv_usable_FIONREAD],
4613 dnl BUILD 9008 - FIONREAD problem still exists in X-Windows.
4614 emacs_cv_usable_FIONREAD=no
4618 emacs_cv_usable_FIONREAD=yes
4623 [AC_LANG_PROGRAM([[#include <sys/types.h>
4624 #include <sys/ioctl.h>
4626 # include <sys/filio.h>
4629 [[int foo = ioctl (0, FIONREAD, &foo);]])],
4630 [emacs_cv_usable_FIONREAD=yes],
4631 [emacs_cv_usable_FIONREAD=no])
4634 if test $emacs_cv_usable_FIONREAD = yes; then
4635 AC_DEFINE([USABLE_FIONREAD], [1], [Define to 1 if FIONREAD is usable.])
4637 if test $emacs_broken_SIGIO = no; then
4638 AC_CACHE_CHECK([for usable SIGIO], [emacs_cv_usable_SIGIO],
4640 [AC_LANG_PROGRAM([[#include <fcntl.h>
4643 [[int foo = SIGIO | F_SETFL | FASYNC;]])],
4644 [emacs_cv_usable_SIGIO=yes],
4645 [emacs_cv_usable_SIGIO=no])],
4646 [emacs_cv_usable_SIGIO=yes],
4647 [emacs_cv_usable_SIGIO=no])
4648 if test $emacs_cv_usable_SIGIO = yes; then
4649 AC_DEFINE([USABLE_SIGIO], [1], [Define to 1 if SIGIO is usable.])
4656 dnl It works to open the pty's tty in the parent (Emacs), then
4657 dnl close and reopen it in the child.
4658 AC_DEFINE(USG_SUBTTY_WORKS, 1, [Define for USG systems where it
4659 works to open a pty's tty in the parent process, then close and
4660 reopen it in the child.])
4664 AC_DEFINE(PREFER_VSUSP, 1, [Define if process_send_signal should
4665 use VSUSP instead of VSWTCH.])
4669 AC_DEFINE(_STRUCTURED_PROC, 1, [Needed for system_process_attributes
4674 # Set up the CFLAGS for real compilation, so we can substitute it.
4675 CFLAGS="$REAL_CFLAGS"
4676 CPPFLAGS="$REAL_CPPFLAGS"
4679 ## Hack to detect a buggy GCC version.
4680 if test "x$GCC" = xyes \
4681 && test x"`$CC --version 2> /dev/null | grep 'gcc.* 4.5.0'`" != x \
4682 && test x"`echo $CFLAGS | grep '\-O@<:@23@:>@'`" != x \
4683 && test x"`echo $CFLAGS | grep '\-fno-optimize-sibling-calls'`" = x; then
4684 AC_MSG_ERROR([GCC 4.5.0 has problems compiling Emacs; see etc/PROBLEMS'.])
4687 version=$PACKAGE_VERSION
4689 copyright="Copyright (C) 2014 Free Software Foundation, Inc."
4690 AC_DEFINE_UNQUOTED(COPYRIGHT, ["$copyright"],
4691 [Short copyright string for this version of Emacs.])
4694 ### Specify what sort of things we'll be editing into Makefile and config.h.
4695 ### Use configuration here uncanonicalized to avoid exceeding size limits.
4697 AC_SUBST(configuration)
4702 AC_SUBST(exec_prefix)
4705 AC_SUBST(sharedstatedir)
4706 AC_SUBST(libexecdir)
4710 AC_SUBST(standardlisppath)
4711 AC_SUBST(locallisppath)
4713 AC_SUBST(x_default_search_path)
4715 AC_SUBST(archlibdir)
4720 ## FIXME? Nothing uses @LD_SWITCH_X_SITE@.
4721 ## src/Makefile.in did add LD_SWITCH_X_SITE (as a cpp define) to the
4722 ## end of LIBX_BASE, but nothing ever set it.
4723 AC_SUBST(LD_SWITCH_X_SITE)
4724 AC_SUBST(C_SWITCH_X_SITE)
4725 AC_SUBST(GNUSTEP_CFLAGS)
4727 ## Used in lwlib/Makefile.in.
4728 AC_SUBST(X_TOOLKIT_TYPE)
4730 AC_SUBST(ns_appbindir)
4731 AC_SUBST(ns_appresdir)
4733 AC_SUBST(GNU_OBJC_CFLAGS)
4734 AC_SUBST(OTHER_FILES)
4736 if test -n "${term_header}"; then
4737 AC_DEFINE_UNQUOTED(TERM_HEADER, "${term_header}",
4738 [Define to the header for the built-in window system.])
4741 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}",
4742 [Define to the canonical Emacs configuration name.])
4743 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${emacs_config_options}",
4744 [Define to the options passed to configure.])
4745 AH_TEMPLATE(config_opsysfile, [Some platforms that do not use configure
4746 define this to include extra configuration information.])
4750 AC_DEFINE(config_opsysfile, <ms-w32.h>, [])
4757 if test "${HAVE_X_WINDOWS}" = "yes" ; then
4758 AC_DEFINE(HAVE_X_WINDOWS, 1,
4759 [Define to 1 if you want to use the X window system.])
4761 XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
4763 if test "$HAVE_XFT" = "yes"; then
4764 FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
4765 elif test "$HAVE_FREETYPE" = "yes"; then
4766 FONT_OBJ="$FONT_OBJ ftfont.o ftxfont.o"
4776 if test "${USE_X_TOOLKIT}" != "none" ; then
4778 AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
4779 if test "${USE_X_TOOLKIT}" = "LUCID"; then
4780 AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
4781 elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
4782 AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
4786 ## Paul Abrahams <abrahams at equinox.shaysnet.com> says this is needed.
4787 MOTIF_LIBW="$MOTIF_LIBW -lXpm"
4791 ## Richard Anthony Ryan <ryanr at ellingtn.ftc.nrcs.usda.gov>
4792 ## says -lXimp is needed in UNIX_SV ... 4.2 1.1.2.
4793 MOTIF_LIBW="MOTIF_LIBW -lXimp"
4797 ## olson@mcs.anl.gov says -li18n is needed by -lXm.
4798 MOTIF_LIBW="$MOTIF_LIBW -li18n"
4801 MOTIF_LIBW="$MOTIF_LIBW $LIBXP"
4804 AC_SUBST(WIDGET_OBJ)
4807 case "$USE_X_TOOLKIT" in
4808 MOTIF) TOOLKIT_LIBW="$MOTIF_LIBW" ;;
4809 LUCID) TOOLKIT_LIBW="$LUCID_LIBW" ;;
4810 none) test "x$HAVE_GTK" = "xyes" && TOOLKIT_LIBW="$GTK_LIBS -lXcomposite" ;;
4812 AC_SUBST(TOOLKIT_LIBW)
4814 if test "${opsys}" != "mingw32"; then
4815 if test "$USE_X_TOOLKIT" = "none"; then
4816 LIBXT_OTHER="\$(LIBXSM)"
4818 LIBXT_OTHER="\$(LIBXMU) -lXt \$(LIBXTR6) -lXext"
4821 AC_SUBST(LIBXT_OTHER)
4823 if test "${HAVE_X11}" = "yes" ; then
4824 AC_DEFINE(HAVE_X11, 1,
4825 [Define to 1 if you want to use version 11 of X windows.])
4826 LIBX_OTHER="\$(LIBXT) \$(LIBX_EXTRA)"
4830 AC_SUBST(LIBX_OTHER)
4832 if test "$HAVE_GTK" = yes || test "$HAVE_X11" != yes; then
4834 elif test "$USE_X_TOOLKIT" = none; then
4835 LIBXMENU='$(oldXMenudir)/libXMenu11.a'
4837 LIBXMENU='$(lwlibdir)/liblw.a'
4841 AC_CACHE_CHECK([for struct alignment],
4842 [emacs_cv_struct_alignment],
4844 [AC_LANG_PROGRAM([[#include <stddef.h>
4845 struct __attribute__ ((aligned (8))) s { char c; };
4846 struct t { char c; struct s s; };
4847 char verify[offsetof (struct t, s) == 8 ? 1 : -1];
4849 [emacs_cv_struct_alignment=yes],
4850 [emacs_cv_struct_alignment=no])])
4851 if test "$emacs_cv_struct_alignment" = yes; then
4852 AC_DEFINE([HAVE_STRUCT_ATTRIBUTE_ALIGNED], 1,
4853 [Define to 1 if 'struct __attribute__ ((aligned (N)))' aligns the
4854 structure to an N-byte boundary.])
4857 if test "${GNU_MALLOC}" = "yes" ; then
4858 AC_DEFINE(GNU_MALLOC, 1,
4859 [Define to 1 if you want to use the GNU memory allocator.])
4863 if test "${REL_ALLOC}" = "yes" ; then
4864 AC_DEFINE(REL_ALLOC, 1,
4865 [Define REL_ALLOC if you want to use the relocating allocator for
4868 test "$system_malloc" != "yes" && RALLOC_OBJ=ralloc.o
4870 AC_SUBST(RALLOC_OBJ)
4872 if test "$opsys" = "cygwin"; then
4873 CYGWIN_OBJ="sheap.o cygw32.o"
4874 ## Cygwin differs because of its unexec().
4876 POST_ALLOC_OBJ=lastfile.o
4877 elif test "$opsys" = "mingw32"; then
4880 POST_ALLOC_OBJ=lastfile.o
4883 PRE_ALLOC_OBJ=lastfile.o
4886 AC_SUBST(CYGWIN_OBJ)
4887 AC_SUBST(PRE_ALLOC_OBJ)
4888 AC_SUBST(POST_ALLOC_OBJ)
4890 dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
4891 dnl verbatim defined above. The tricky name is apropos, as this hack
4892 dnl makes Fortify go sour!
4893 AH_VERBATIM([FORTIFY_SOUR],
4894 [/* Without the following workaround, Emacs runs slowly on OS X 10.8.
4895 The workaround disables some useful run-time checking, so it
4896 should be conditional to the platforms with the performance bug.
4897 Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
4898 #if defined __APPLE__ && defined __GNUC__
4899 # ifndef _DONT_USE_CTYPE_INLINE_
4900 # define _DONT_USE_CTYPE_INLINE_
4902 # ifndef _FORTIFY_SOURCE
4903 # define _FORTIFY_SOURCE 0
4908 # If user asks to omit features, disable optional features that gnulib
4909 # might otherwise enable.
4910 if test "$with_features" = no && test "$enable_acl" != yes; then
4914 # Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
4915 # it temporarily reverts them to their pre-pkg-config values,
4916 # because gnulib needs to work with both src (which uses the
4917 # pkg-config stuff) and lib-src (which does not). For example, gnulib
4918 # may need to determine whether LIB_CLOCK_GETTIME should contain -lrt,
4919 # and it therefore needs to run in an environment where LIBS does not
4920 # already contain -lrt merely because 'pkg-config --libs' printed '-lrt'
4921 # for some package unrelated to lib-src.
4924 CFLAGS=$pre_PKG_CONFIG_CFLAGS
4925 LIBS="$LIB_PTHREAD $pre_PKG_CONFIG_LIBS"
4926 gl_ASSERT_NO_GNULIB_POSIXCHECK
4927 gl_ASSERT_NO_GNULIB_TESTS
4932 if test "${opsys}" = "mingw32"; then
4933 CPPFLAGS="$CPPFLAGS -DUSE_CRT_DLL=1 -I \${abs_top_srcdir}/nt/inc"
4934 # Remove unneeded switches from the value of CC that goes to Makefiles
4935 CC=`echo $CC | sed -e "s,$GCC_TEST_OPTIONS,,"`
4939 aix4-2) LD_SWITCH_SYSTEM_TEMACS="-Wl,-bnodelcsect" ;;
4941 cygwin) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000" ;;
4944 ## The -headerpad option tells ld (see man page) to leave room at the
4945 ## end of the header for adding load commands. Needed for dumping.
4946 ## 0x1000 is enough for roughly 52 load commands on the x86_64
4947 ## architecture (where they are 78 bytes each). The actual number of
4948 ## load commands added is not consistent but normally ranges from
4949 ## about 14 to about 34. Setting it high gets us plenty of slop and
4950 ## only costs about 1.5K of wasted binary space.
4951 headerpad_extra=1000
4952 if test "$HAVE_NS" = "yes"; then
4953 libs_nsgui="-framework AppKit"
4954 if test "$NS_IMPL_COCOA" = "yes"; then
4955 libs_nsgui="$libs_nsgui -framework IOKit"
4960 LD_SWITCH_SYSTEM_TEMACS="-fno-pie -prebind $libs_nsgui -Xlinker -headerpad -Xlinker $headerpad_extra"
4962 ## This is here because src/Makefile.in did some extra fiddling around
4963 ## with LD_SWITCH_SYSTEM. It seems cleaner to put this in
4964 ## LD_SWITCH_SYSTEM_TEMACS instead,
4965 test "x$LD_SWITCH_SYSTEM" = "x" && test "x$GCC" != "xyes" && \
4966 LD_SWITCH_SYSTEM_TEMACS="-X $LD_SWITCH_SYSTEM_TEMACS"
4969 ## LD_SWITCH_X_SITE_RPATH is a -rpath option saying where to
4970 ## find X at run-time.
4971 ## When handled by cpp, this was in LD_SWITCH_SYSTEM. However, at the
4972 ## point where configure sourced the s/*.h file, LD_SWITCH_X_SITE_RPATH
4973 ## had not yet been defined and was expanded to null. Hence LD_SWITCH_SYSTEM
4974 ## had different values in configure (in ac_link) and src/Makefile.in.
4975 ## It seems clearer therefore to put this piece in LD_SWITCH_SYSTEM_TEMACS.
4976 gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
4979 ## Is it any better under MinGW64 to relocate emacs into higher addresses?
4980 case "$canonical" in
4981 x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x400000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4982 *) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
4986 openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
4988 *) LD_SWITCH_SYSTEM_TEMACS= ;;
4991 if test x$ac_enable_profiling != x ; then
4993 *freebsd | gnu-linux) ;;
4994 *) LD_SWITCH_SYSTEM_TEMACS="$LD_SWITCH_SYSTEM_TEMACS -pg" ;;
4998 LD_SWITCH_SYSTEM_TEMACS="$LDFLAGS_NOCOMBRELOC $LD_SWITCH_SYSTEM_TEMACS"
5000 AC_SUBST(LD_SWITCH_SYSTEM_TEMACS)
5002 ## Common for all window systems
5003 if test "$window_system" != "none"; then
5004 AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
5005 AC_DEFINE(POLL_FOR_INPUT, 1, [Define if you poll periodically to detect C-g.])
5006 WINDOW_SYSTEM_OBJ="fontset.o fringe.o image.o"
5009 AC_SUBST(WINDOW_SYSTEM_OBJ)
5011 AH_TOP([/* GNU Emacs site configuration template file.
5013 Copyright (C) 1988, 1993-1994, 1999-2002, 2004-2014
5014 Free Software Foundation, Inc.
5016 This file is part of GNU Emacs.
5018 GNU Emacs is free software: you can redistribute it and/or modify
5019 it under the terms of the GNU General Public License as published by
5020 the Free Software Foundation, either version 3 of the License, or
5021 (at your option) any later version.
5023 GNU Emacs is distributed in the hope that it will be useful,
5024 but WITHOUT ANY WARRANTY; without even the implied warranty of
5025 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5026 GNU General Public License for more details.
5028 You should have received a copy of the GNU General Public License
5029 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
5032 /* No code in Emacs #includes config.h twice, but some bits of code
5033 intended to work with other packages as well (like gmalloc.c)
5034 think they can include it as many times as they like. */
5035 #ifndef EMACS_CONFIG_H
5036 #define EMACS_CONFIG_H
5039 AH_BOTTOM([#include <conf_post.h>
5041 #endif /* EMACS_CONFIG_H */
5050 #### Report on what we decided to do.
5051 #### Report GTK as a toolkit, even if it doesn't use Xt.
5052 #### It makes printing result more understandable as using GTK sets
5053 #### toolkit_scroll_bars to yes by default.
5054 if test "${HAVE_GTK}" = "yes"; then
5055 USE_X_TOOLKIT="$USE_GTK_TOOLKIT"
5058 if test $USE_ACL -ne 0; then
5059 ACL_SUMMARY="yes $LIB_ACL"
5065 Configured for \`${canonical}'.
5067 Where should the build process find the source code? ${srcdir}
5068 What compiler should emacs be built with? ${CC} ${CFLAGS}
5069 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
5070 Should Emacs use a relocating allocator for buffers? ${REL_ALLOC}
5071 Should Emacs use mmap(2) for buffer allocation? $use_mmap_for_buffers
5072 What window system should Emacs use? ${window_system}
5073 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
5075 if test -n "${x_includes}"; then
5076 echo " Where do we find X Windows header files? ${x_includes}"
5078 echo " Where do we find X Windows header files? Standard dirs"
5080 if test -n "${x_libraries}"; then
5081 echo " Where do we find X Windows libraries? ${x_libraries}"
5083 echo " Where do we find X Windows libraries? Standard dirs"
5087 emacs_config_features=
5088 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS \
5089 GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
5093 NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
5094 *) eval val=\${HAVE_$opt} ;;
5096 test x"$val" = xno && continue
5097 AS_VAR_APPEND([emacs_config_features], ["$optsep$opt"])
5100 AC_DEFINE_UNQUOTED(EMACS_CONFIG_FEATURES, "${emacs_config_features}",
5101 [Summary of some of the main features enabled by configure.])
5103 echo " Does Emacs use -lXaw3d? ${HAVE_XAW3D}"
5104 echo " Does Emacs use -lXpm? ${HAVE_XPM}"
5105 echo " Does Emacs use -ljpeg? ${HAVE_JPEG}"
5106 echo " Does Emacs use -ltiff? ${HAVE_TIFF}"
5107 echo " Does Emacs use a gif library? ${HAVE_GIF} $LIBGIF"
5108 echo " Does Emacs use a png library? ${HAVE_PNG} $LIBPNG"
5109 echo " Does Emacs use -lrsvg-2? ${HAVE_RSVG}"
5110 echo " Does Emacs use imagemagick? ${HAVE_IMAGEMAGICK}"
5112 echo " Does Emacs support sound? ${HAVE_SOUND}"
5114 echo " Does Emacs use -lgpm? ${HAVE_GPM}"
5115 echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
5116 echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
5117 echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
5118 echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
5119 echo " Does Emacs use access control lists? ${ACL_SUMMARY}"
5120 echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
5121 echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
5122 echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
5124 echo " Does Emacs use -lfreetype? ${HAVE_FREETYPE}"
5125 echo " Does Emacs use -lm17n-flt? ${HAVE_M17N_FLT}"
5126 echo " Does Emacs use -lotf? ${HAVE_LIBOTF}"
5127 echo " Does Emacs use -lxft? ${HAVE_XFT}"
5128 echo " Does Emacs directly use zlib? ${HAVE_ZLIB}"
5130 echo " Does Emacs use toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}"
5132 echo " Does Emacs support Xwidgets? ${HAVE_XWIDGETS}"
5133 echo " Does xwidgets support webkit(requires gtk3)? ${HAVE_WEBKIT}"
5134 echo " Does xwidgets support gobject introspection? ${HAVE_GIR}"
5137 if test -n "${EMACSDATA}"; then
5138 echo " Environment variable EMACSDATA set to: $EMACSDATA"
5140 if test -n "${EMACSDOC}"; then
5141 echo " Environment variable EMACSDOC set to: $EMACSDOC"
5146 if test "$HAVE_NS" = "yes"; then
5148 echo "You must run \"${MAKE-make} install\" in order to test the built application.
5149 The installed application will go to nextstep/Emacs.app and can be
5150 run or moved from there."
5151 if test "$EN_NS_SELF_CONTAINED" = "yes"; then
5152 echo "The application will be fully self-contained."
5154 echo "The lisp resources for the application will be installed under ${prefix}.
5155 You may need to run \"${MAKE-make} install\" with sudo. The application will fail
5156 to run if these resources are not installed."
5161 if test "${opsys}" = "cygwin"; then
5163 1.5.*) AC_MSG_WARN([[building Emacs on Cygwin 1.5 is not supported.]])
5169 # Remove any trailing slashes in these variables.
5170 [test "${prefix}" != NONE &&
5171 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
5172 test "${exec_prefix}" != NONE &&
5173 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
5175 if test "$HAVE_NS" = "yes"; then
5176 if test "$NS_IMPL_GNUSTEP" = yes; then
5177 AC_CONFIG_FILES([nextstep/GNUstep/Emacs.base/Resources/Info-gnustep.plist:nextstep/templates/Info-gnustep.plist.in \
5178 nextstep/GNUstep/Emacs.base/Resources/Emacs.desktop:nextstep/templates/Emacs.desktop.in])
5179 ns_check_file=Resources/Info-gnustep.plist
5181 AC_CONFIG_FILES([nextstep/Cocoa/Emacs.base/Contents/Info.plist:nextstep/templates/Info.plist.in \
5182 nextstep/Cocoa/Emacs.base/Contents/Resources/English.lproj/InfoPlist.strings:nextstep/templates/InfoPlist.strings.in])
5183 ns_check_file=Contents/Info.plist
5185 AC_SUBST(ns_check_file)
5188 dnl config.status treats $srcdir specially, so I think this is ok...
5189 AC_CONFIG_FILES([$srcdir/doc/man/emacs.1])
5191 dnl Obviously there is duplication here wrt $SUBDIR_MAKEFILES.
5192 dnl You _can_ use that variable in AC_CONFIG_FILES, so long as any directory
5193 dnl using automake (ie lib/) is explicitly listed and not "hidden" in a variable
5194 dnl (else you get "no `Makefile.am' found for any configure output").
5195 dnl This will work, but you get a config.status that is not quite right
5196 dnl (see http://lists.gnu.org/archive/html/bug-autoconf/2008-08/msg00028.html).
5197 dnl That doesn't have any obvious consequences for Emacs, but on the whole
5198 dnl it seems better to just live with the duplication.
5199 SUBDIR_MAKEFILES="lib/Makefile lib-src/Makefile oldXMenu/Makefile doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile leim/Makefile nextstep/Makefile nt/Makefile"
5201 AC_CONFIG_FILES([Makefile lib/Makefile lib-src/Makefile oldXMenu/Makefile \
5202 doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
5203 doc/lispref/Makefile src/Makefile lwlib/Makefile lisp/Makefile \
5204 leim/Makefile nextstep/Makefile nt/Makefile])
5206 dnl test/ is not present in release tarfiles.
5207 opt_makefile=test/automated/Makefile
5209 if test -f "$srcdir/$opt_makefile.in"; then
5210 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES $opt_makefile"
5211 dnl Again, it's best not to use a variable. Though you can add
5212 dnl ", [], [opt_makefile='$opt_makefile']" and it should work.
5213 AC_CONFIG_FILES([test/automated/Makefile])
5217 dnl The admin/ directory used to be excluded from tarfiles.
5218 if test -d $srcdir/admin; then
5219 SUBDIR_MAKEFILES="$SUBDIR_MAKEFILES admin/unidata/Makefile admin/grammars/Makefile"
5220 AC_CONFIG_FILES([admin/unidata/Makefile])
5221 AC_CONFIG_FILES([admin/grammars/Makefile])
5225 SUBDIR_MAKEFILES_IN=`echo " ${SUBDIR_MAKEFILES}" | sed -e 's| | $(srcdir)/|g' -e 's|Makefile|Makefile.in|g'`
5227 AC_SUBST(SUBDIR_MAKEFILES_IN)
5229 dnl You might wonder (I did) why epaths.h is generated by running make,
5230 dnl rather than just letting configure generate it from epaths.in.
5231 dnl One reason is that the various paths are not fully expanded (see above);
5232 dnl eg gamedir=${prefix}/var/games/emacs.
5233 dnl Secondly, the GNU Coding standards require that one should be able
5234 dnl to run `make prefix=/some/where/else' and override the values set
5235 dnl by configure. This also explains the `move-if-change' test and
5236 dnl the use of force in the `epaths-force' rule in Makefile.in.
5237 AC_CONFIG_COMMANDS([src/epaths.h], [
5238 if test "${opsys}" = "mingw32"; then
5239 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force-w32
5241 ${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
5242 fi || AC_MSG_ERROR(['src/epaths.h' could not be made.])
5243 ], [GCC="$GCC" CPPFLAGS="$CPPFLAGS" opsys="$opsys"])
5245 dnl NB we have to cheat and use the ac_... version because abs_top_srcdir
5246 dnl is not yet set, sigh. Or we could use ../$srcdir/src/.gdbinit,
5248 AC_CONFIG_COMMANDS([src/.gdbinit], [
5249 if test ! -f src/.gdbinit && test -f "$srcdir/src/.gdbinit"; then
5250 echo "source $ac_abs_top_srcdir/src/.gdbinit" > src/.gdbinit
5254 dnl Perhaps this would be better named doc-emacs-emacsver.texi?
5255 dnl See comments for etc-refcards-emacsver.tex.
5256 dnl Since we get a doc/emacs directory generated anyway, for the Makefile,
5257 dnl it is not quite the same. But we are generating in $srcdir.
5258 AC_CONFIG_COMMANDS([doc/emacs/emacsver.texi], [
5259 ${MAKE-make} -s --no-print-directory -C doc/emacs doc-emacsver || \
5260 AC_MSG_ERROR(['doc/emacs/emacsver.texi' could not be made.])
5263 dnl If we give this the more natural name, etc/refcards/emacsver.texi,
5264 dnl then a directory etc/refcards is created in the build directory,
5265 dnl which is probably harmless, but confusing (in out-of-tree builds).
5266 dnl (If we were to generate etc/refcards/Makefile, this might change.)
5267 dnl It is really $srcdir/etc/refcards/emacsver.tex that we generate.
5268 AC_CONFIG_COMMANDS([etc-refcards-emacsver.tex], [
5269 ${MAKE-make} -s MAKEFILE_NAME=do-not-make-Makefile etc-emacsver || \
5270 AC_MSG_ERROR(['etc/refcards/emacsver.tex' could not be made.])
5275 test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])